project
stringclasses 633
values | commit_id
stringlengths 7
81
| target
int64 0
1
| func
stringlengths 5
484k
| cwe
stringclasses 131
values | big_vul_idx
float64 0
189k
⌀ | idx
int64 0
522k
| hash
stringlengths 34
39
| size
float64 1
24k
⌀ | message
stringlengths 0
11.5k
⌀ | dataset
stringclasses 1
value |
|---|---|---|---|---|---|---|---|---|---|---|
libass
|
aa54e0b59200a994d50a346b5d7ac818ebcf2d4b
| 1 |
static bool check_allocations(ASS_Shaper *shaper, size_t new_size)
{
if (new_size > shaper->n_glyphs) {
if (!ASS_REALLOC_ARRAY(shaper->event_text, new_size) ||
!ASS_REALLOC_ARRAY(shaper->ctypes, new_size) ||
!ASS_REALLOC_ARRAY(shaper->emblevels, new_size) ||
!ASS_REALLOC_ARRAY(shaper->cmap, new_size))
return false;
}
return true;
}
|
CWE-399
| 181,946 | 3,330 |
280811577264489942591624804797820534109
| null | null | null |
libass
|
08e754612019ed84d1db0d1fc4f5798248decd75
| 1 |
static void calc_coeff(double mu[4], const int index[4], int prefilter, double r2, double mul)
{
double mul2 = mul * mul, mul3 = mul2 * mul;
double kernel[] = {
(5204 + 2520 * mul + 1092 * mul2 + 3280 * mul3) / 12096,
(2943 - 210 * mul - 273 * mul2 - 2460 * mul3) / 12096,
( 486 - 924 * mul - 546 * mul2 + 984 * mul3) / 12096,
( 17 - 126 * mul + 273 * mul2 - 164 * mul3) / 12096,
};
double mat_freq[13];
memcpy(mat_freq, kernel, sizeof(kernel));
memset(mat_freq + 4, 0, sizeof(mat_freq) - sizeof(kernel));
int n = 6;
coeff_filter(mat_freq, n, kernel);
for (int k = 0; k < 2 * prefilter; ++k)
coeff_blur121(mat_freq, ++n);
double vec_freq[13];
n = index[3] + prefilter + 3;
calc_gauss(vec_freq, n, r2);
memset(vec_freq + n + 1, 0, sizeof(vec_freq) - (n + 1) * sizeof(vec_freq[0]));
n -= 3;
coeff_filter(vec_freq, n, kernel);
for (int k = 0; k < prefilter; ++k)
coeff_blur121(vec_freq, --n);
double mat[4][4];
calc_matrix(mat, mat_freq, index);
double vec[4];
for (int i = 0; i < 4; ++i)
vec[i] = mat_freq[0] - mat_freq[index[i]] - vec_freq[0] + vec_freq[index[i]];
for (int i = 0; i < 4; ++i) {
double res = 0;
for (int j = 0; j < 4; ++j)
res += mat[i][j] * vec[j];
mu[i] = FFMAX(0, res);
}
}
|
CWE-119
| 181,947 | 3,331 |
118260111892519517356719877628450769777
| null | null | null |
ImageMagick
|
d63a3c5729df59f183e9e110d5d8385d17caaad0
| 1 |
MagickExport MagickBooleanType SetImageType(Image *image,const ImageType type)
{
const char
*artifact;
ImageInfo
*image_info;
MagickBooleanType
status;
QuantizeInfo
*quantize_info;
assert(image != (Image *) NULL);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
assert(image->signature == MagickSignature);
status=MagickTrue;
image_info=AcquireImageInfo();
image_info->dither=image->dither;
artifact=GetImageArtifact(image,"dither");
if (artifact != (const char *) NULL)
(void) SetImageOption(image_info,"dither",artifact);
switch (type)
{
case BilevelType:
{
if (SetImageMonochrome(image,&image->exception) == MagickFalse)
{
status=TransformImageColorspace(image,GRAYColorspace);
(void) NormalizeImage(image);
quantize_info=AcquireQuantizeInfo(image_info);
quantize_info->number_colors=2;
quantize_info->colorspace=GRAYColorspace;
status=QuantizeImage(quantize_info,image);
quantize_info=DestroyQuantizeInfo(quantize_info);
}
image->colors=2;
image->matte=MagickFalse;
break;
}
case GrayscaleType:
{
if (SetImageGray(image,&image->exception) == MagickFalse)
status=TransformImageColorspace(image,GRAYColorspace);
image->matte=MagickFalse;
break;
}
case GrayscaleMatteType:
{
if (SetImageGray(image,&image->exception) == MagickFalse)
status=TransformImageColorspace(image,GRAYColorspace);
if (image->matte == MagickFalse)
(void) SetImageAlphaChannel(image,OpaqueAlphaChannel);
break;
}
case PaletteType:
{
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
status=TransformImageColorspace(image,sRGBColorspace);
if ((image->storage_class == DirectClass) || (image->colors > 256))
{
quantize_info=AcquireQuantizeInfo(image_info);
quantize_info->number_colors=256;
status=QuantizeImage(quantize_info,image);
quantize_info=DestroyQuantizeInfo(quantize_info);
}
image->matte=MagickFalse;
break;
}
case PaletteBilevelMatteType:
{
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
status=TransformImageColorspace(image,sRGBColorspace);
if (image->matte == MagickFalse)
(void) SetImageAlphaChannel(image,OpaqueAlphaChannel);
(void) BilevelImageChannel(image,AlphaChannel,(double) QuantumRange/2.0);
quantize_info=AcquireQuantizeInfo(image_info);
status=QuantizeImage(quantize_info,image);
quantize_info=DestroyQuantizeInfo(quantize_info);
break;
}
case PaletteMatteType:
{
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
status=TransformImageColorspace(image,sRGBColorspace);
if (image->matte == MagickFalse)
(void) SetImageAlphaChannel(image,OpaqueAlphaChannel);
quantize_info=AcquireQuantizeInfo(image_info);
quantize_info->colorspace=TransparentColorspace;
status=QuantizeImage(quantize_info,image);
quantize_info=DestroyQuantizeInfo(quantize_info);
break;
}
case TrueColorType:
{
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
status=TransformImageColorspace(image,sRGBColorspace);
if (image->storage_class != DirectClass)
status=SetImageStorageClass(image,DirectClass);
image->matte=MagickFalse;
break;
}
case TrueColorMatteType:
{
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
status=TransformImageColorspace(image,sRGBColorspace);
if (image->storage_class != DirectClass)
status=SetImageStorageClass(image,DirectClass);
if (image->matte == MagickFalse)
(void) SetImageAlphaChannel(image,OpaqueAlphaChannel);
break;
}
case ColorSeparationType:
{
if (image->colorspace != CMYKColorspace)
{
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
(void) TransformImageColorspace(image,sRGBColorspace);
status=TransformImageColorspace(image,CMYKColorspace);
}
if (image->storage_class != DirectClass)
status=SetImageStorageClass(image,DirectClass);
image->matte=MagickFalse;
break;
}
case ColorSeparationMatteType:
{
if (image->colorspace != CMYKColorspace)
{
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
(void) TransformImageColorspace(image,sRGBColorspace);
status=TransformImageColorspace(image,CMYKColorspace);
}
if (image->storage_class != DirectClass)
status=SetImageStorageClass(image,DirectClass);
if (image->matte == MagickFalse)
(void) SetImageAlphaChannel(image,OpaqueAlphaChannel);
break;
}
case OptimizeType:
case UndefinedType:
break;
}
image_info=DestroyImageInfo(image_info);
if (status == MagickFalse)
return(MagickFalse);
image->type=type;
return(MagickTrue);
}
|
CWE-416
| 181,948 | 3,332 |
186672624143323896272993784840947576222
| null | null | null |
ImageMagick
|
a7bb158b7bedd1449a34432feb3a67c8f1873bfa
| 1 |
MagickBooleanType SyncExifProfile(Image *image,StringInfo *profile)
{
#define MaxDirectoryStack 16
#define EXIF_DELIMITER "\n"
#define EXIF_NUM_FORMATS 12
#define TAG_EXIF_OFFSET 0x8769
#define TAG_INTEROP_OFFSET 0xa005
typedef struct _DirectoryInfo
{
unsigned char
*directory;
size_t
entry;
} DirectoryInfo;
DirectoryInfo
directory_stack[MaxDirectoryStack];
EndianType
endian;
size_t
entry,
length,
number_entries;
ssize_t
id,
level,
offset;
static int
format_bytes[] = {0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8};
unsigned char
*directory,
*exif;
/*
Set EXIF resolution tag.
*/
length=GetStringInfoLength(profile);
exif=GetStringInfoDatum(profile);
if (length < 16)
return(MagickFalse);
id=(ssize_t) ReadProfileShort(LSBEndian,exif);
if ((id != 0x4949) && (id != 0x4D4D))
{
while (length != 0)
{
if (ReadProfileByte(&exif,&length) != 0x45)
continue;
if (ReadProfileByte(&exif,&length) != 0x78)
continue;
if (ReadProfileByte(&exif,&length) != 0x69)
continue;
if (ReadProfileByte(&exif,&length) != 0x66)
continue;
if (ReadProfileByte(&exif,&length) != 0x00)
continue;
if (ReadProfileByte(&exif,&length) != 0x00)
continue;
break;
}
if (length < 16)
return(MagickFalse);
id=(ssize_t) ReadProfileShort(LSBEndian,exif);
}
endian=LSBEndian;
if (id == 0x4949)
endian=LSBEndian;
else
if (id == 0x4D4D)
endian=MSBEndian;
else
return(MagickFalse);
if (ReadProfileShort(endian,exif+2) != 0x002a)
return(MagickFalse);
/*
This the offset to the first IFD.
*/
offset=(ssize_t) ReadProfileLong(endian,exif+4);
if ((offset < 0) || (size_t) offset >= length)
return(MagickFalse);
directory=exif+offset;
level=0;
entry=0;
do
{
if (level > 0)
{
level--;
directory=directory_stack[level].directory;
entry=directory_stack[level].entry;
}
if ((directory < exif) || (directory > (exif+length-2)))
break;
/*
Determine how many entries there are in the current IFD.
*/
number_entries=ReadProfileShort(endian,directory);
for ( ; entry < number_entries; entry++)
{
int
components;
register unsigned char
*p,
*q;
size_t
number_bytes;
ssize_t
format,
tag_value;
q=(unsigned char *) (directory+2+(12*entry));
if (q > (exif+length-12))
break; /* corrupt EXIF */
tag_value=(ssize_t) ReadProfileShort(endian,q);
format=(ssize_t) ReadProfileShort(endian,q+2);
if ((format-1) >= EXIF_NUM_FORMATS)
break;
components=(ssize_t) ReadProfileLong(endian,q+4);
if (components < 0)
break; /* corrupt EXIF */
number_bytes=(size_t) components*format_bytes[format];
if ((ssize_t) number_bytes < components)
break; /* prevent overflow */
if (number_bytes <= 4)
p=q+8;
else
{
/*
The directory entry contains an offset.
*/
offset=(ssize_t) ReadProfileLong(endian,q+8);
if ((size_t) (offset+number_bytes) > length)
continue;
if (~length < number_bytes)
continue; /* prevent overflow */
p=(unsigned char *) (exif+offset);
}
switch (tag_value)
{
case 0x011a:
{
(void) WriteProfileLong(endian,(size_t) (image->resolution.x+0.5),p);
(void) WriteProfileLong(endian,1UL,p+4);
break;
}
case 0x011b:
{
(void) WriteProfileLong(endian,(size_t) (image->resolution.y+0.5),p);
(void) WriteProfileLong(endian,1UL,p+4);
break;
}
case 0x0112:
{
if (number_bytes == 4)
{
(void) WriteProfileLong(endian,(size_t) image->orientation,p);
break;
}
(void) WriteProfileShort(endian,(unsigned short) image->orientation,
p);
break;
}
case 0x0128:
{
if (number_bytes == 4)
{
(void) WriteProfileLong(endian,(size_t) (image->units+1),p);
break;
}
(void) WriteProfileShort(endian,(unsigned short) (image->units+1),p);
break;
}
default:
break;
}
if ((tag_value == TAG_EXIF_OFFSET) || (tag_value == TAG_INTEROP_OFFSET))
{
offset=(ssize_t) ReadProfileLong(endian,p);
if (((size_t) offset < length) && (level < (MaxDirectoryStack-2)))
{
directory_stack[level].directory=directory;
entry++;
directory_stack[level].entry=entry;
level++;
directory_stack[level].directory=exif+offset;
directory_stack[level].entry=0;
level++;
if ((directory+2+(12*number_entries)) > (exif+length))
break;
offset=(ssize_t) ReadProfileLong(endian,directory+2+(12*
number_entries));
if ((offset != 0) && ((size_t) offset < length) &&
(level < (MaxDirectoryStack-2)))
{
directory_stack[level].directory=exif+offset;
directory_stack[level].entry=0;
level++;
}
}
break;
}
}
} while (level > 0);
return(MagickTrue);
}
|
CWE-125
| 181,949 | 3,333 |
86130161965126205332533763371080643579
| null | null | null |
ImageMagick
|
a0108a892f9ea3c2bb1e7a49b7d71376c2ecbff7
| 1 |
static MagickBooleanType WriteRGFImage(const ImageInfo *image_info,Image *image,
ExceptionInfo *exception)
{
MagickBooleanType
status;
int
bit;
register const PixelPacket
*p;
register ssize_t
x;
ssize_t
y;
unsigned char
byte;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
if (status == MagickFalse)
return(status);
(void) TransformImageColorspace(image,sRGBColorspace);
if((image->columns > 255L) || (image->rows > 255L))
ThrowWriterException(ImageError,"Dimensions must be less than 255x255");
/*
Write header (just the image dimensions)
*/
(void) WriteBlobByte(image,image->columns & 0xff);
(void) WriteBlobByte(image,image->rows & 0xff);
/*
Convert MIFF to bit pixels.
*/
(void) SetImageType(image,BilevelType);
x=0;
y=0;
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const PixelPacket *) NULL)
break;
bit=0;
byte=0;
for (x=0; x < (ssize_t) image->columns; x++)
{
byte>>=1;
if (GetPixelLuma(image,p) < (QuantumRange/2.0))
byte|=0x80;
bit++;
if (bit == 8)
{
/*
Write a bitmap byte to the image file.
*/
(void) WriteBlobByte(image,byte);
bit=0;
byte=0;
}
p++;
}
if (bit != 0)
(void) WriteBlobByte(image,byte);
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
(void) CloseBlob(image);
return(MagickTrue);
}
|
CWE-19
| 181,958 | 3,341 |
268413691376706583160563825204171231547
| null | null | null |
ImageMagick
|
478cce544fdf1de882d78381768458f397964453
| 1 |
static void WriteTo8BimProfile(Image *image,const char *name,
const StringInfo *profile)
{
const unsigned char
*datum,
*q;
register const unsigned char
*p;
size_t
length;
StringInfo
*profile_8bim;
ssize_t
count;
unsigned char
length_byte;
unsigned int
value;
unsigned short
id,
profile_id;
if (LocaleCompare(name,"icc") == 0)
profile_id=0x040f;
else
if (LocaleCompare(name,"iptc") == 0)
profile_id=0x0404;
else
if (LocaleCompare(name,"xmp") == 0)
profile_id=0x0424;
else
return;
profile_8bim=(StringInfo *) GetValueFromSplayTree((SplayTreeInfo *)
image->profiles,"8bim");
if (profile_8bim == (StringInfo *) NULL)
return;
datum=GetStringInfoDatum(profile_8bim);
length=GetStringInfoLength(profile_8bim);
for (p=datum; p < (datum+length-16); )
{
q=p;
if (LocaleNCompare((char *) p,"8BIM",4) != 0)
break;
p+=4;
p=ReadResourceShort(p,&id);
p=ReadResourceByte(p,&length_byte);
p+=length_byte;
if (((length_byte+1) & 0x01) != 0)
p++;
if (p > (datum+length-4))
break;
p=ReadResourceLong(p,&value);
count=(ssize_t) value;
if ((count & 0x01) != 0)
count++;
if ((p > (datum+length-count)) || (count > (ssize_t) length))
break;
if (id != profile_id)
p+=count;
else
{
size_t
extent,
offset;
ssize_t
extract_extent;
StringInfo
*extract_profile;
extract_extent=0;
extent=(datum+length)-(p+count);
if (profile == (StringInfo *) NULL)
{
offset=(q-datum);
extract_profile=AcquireStringInfo(offset+extent);
(void) CopyMagickMemory(extract_profile->datum,datum,offset);
}
else
{
offset=(p-datum);
extract_extent=profile->length;
if ((extract_extent & 0x01) != 0)
extract_extent++;
extract_profile=AcquireStringInfo(offset+extract_extent+extent);
(void) CopyMagickMemory(extract_profile->datum,datum,offset-4);
(void) WriteResourceLong(extract_profile->datum+offset-4,
(unsigned int) profile->length);
(void) CopyMagickMemory(extract_profile->datum+offset,
profile->datum,profile->length);
}
(void) CopyMagickMemory(extract_profile->datum+offset+extract_extent,
p+count,extent);
(void) AddValueToSplayTree((SplayTreeInfo *) image->profiles,
ConstantString("8bim"),CloneStringInfo(extract_profile));
extract_profile=DestroyStringInfo(extract_profile);
break;
}
}
}
|
CWE-20
| 181,964 | 3,346 |
41729025431347141870791397165222522346
| null | null | null |
ImageMagick
|
bef1e4f637d8f665bc133a9c6d30df08d983bc3a
| 1 |
static Image *ReadWPGImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
typedef struct
{
size_t FileId;
MagickOffsetType DataOffset;
unsigned int ProductType;
unsigned int FileType;
unsigned char MajorVersion;
unsigned char MinorVersion;
unsigned int EncryptKey;
unsigned int Reserved;
} WPGHeader;
typedef struct
{
unsigned char RecType;
size_t RecordLength;
} WPGRecord;
typedef struct
{
unsigned char Class;
unsigned char RecType;
size_t Extension;
size_t RecordLength;
} WPG2Record;
typedef struct
{
unsigned HorizontalUnits;
unsigned VerticalUnits;
unsigned char PosSizePrecision;
} WPG2Start;
typedef struct
{
unsigned int Width;
unsigned int Height;
unsigned int Depth;
unsigned int HorzRes;
unsigned int VertRes;
} WPGBitmapType1;
typedef struct
{
unsigned int Width;
unsigned int Height;
unsigned char Depth;
unsigned char Compression;
} WPG2BitmapType1;
typedef struct
{
unsigned int RotAngle;
unsigned int LowLeftX;
unsigned int LowLeftY;
unsigned int UpRightX;
unsigned int UpRightY;
unsigned int Width;
unsigned int Height;
unsigned int Depth;
unsigned int HorzRes;
unsigned int VertRes;
} WPGBitmapType2;
typedef struct
{
unsigned int StartIndex;
unsigned int NumOfEntries;
} WPGColorMapRec;
/*
typedef struct {
size_t PS_unknown1;
unsigned int PS_unknown2;
unsigned int PS_unknown3;
} WPGPSl1Record;
*/
Image
*image;
unsigned int
status;
WPGHeader
Header;
WPGRecord
Rec;
WPG2Record
Rec2;
WPG2Start StartWPG;
WPGBitmapType1
BitmapHeader1;
WPG2BitmapType1
Bitmap2Header1;
WPGBitmapType2
BitmapHeader2;
WPGColorMapRec
WPG_Palette;
int
i,
bpp,
WPG2Flags;
ssize_t
ldblk;
size_t
one;
unsigned char
*BImgBuff;
tCTM CTM; /*current transform matrix*/
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
one=1;
image=AcquireImage(image_info,exception);
image->depth=8;
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Read WPG image.
*/
Header.FileId=ReadBlobLSBLong(image);
Header.DataOffset=(MagickOffsetType) ReadBlobLSBLong(image);
Header.ProductType=ReadBlobLSBShort(image);
Header.FileType=ReadBlobLSBShort(image);
Header.MajorVersion=ReadBlobByte(image);
Header.MinorVersion=ReadBlobByte(image);
Header.EncryptKey=ReadBlobLSBShort(image);
Header.Reserved=ReadBlobLSBShort(image);
if (Header.FileId!=0x435057FF || (Header.ProductType>>8)!=0x16)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if (Header.EncryptKey!=0)
ThrowReaderException(CoderError,"EncryptedWPGImageFileNotSupported");
image->columns = 1;
image->rows = 1;
image->colors = 0;
bpp=0;
BitmapHeader2.RotAngle=0;
switch(Header.FileType)
{
case 1: /* WPG level 1 */
while(!EOFBlob(image)) /* object parser loop */
{
(void) SeekBlob(image,Header.DataOffset,SEEK_SET);
if(EOFBlob(image))
break;
Rec.RecType=(i=ReadBlobByte(image));
if(i==EOF)
break;
Rd_WP_DWORD(image,&Rec.RecordLength);
if(EOFBlob(image))
break;
Header.DataOffset=TellBlob(image)+Rec.RecordLength;
switch(Rec.RecType)
{
case 0x0B: /* bitmap type 1 */
BitmapHeader1.Width=ReadBlobLSBShort(image);
BitmapHeader1.Height=ReadBlobLSBShort(image);
if ((BitmapHeader1.Width == 0) || (BitmapHeader1.Height == 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
BitmapHeader1.Depth=ReadBlobLSBShort(image);
BitmapHeader1.HorzRes=ReadBlobLSBShort(image);
BitmapHeader1.VertRes=ReadBlobLSBShort(image);
if(BitmapHeader1.HorzRes && BitmapHeader1.VertRes)
{
image->units=PixelsPerCentimeterResolution;
image->resolution.x=BitmapHeader1.HorzRes/470.0;
image->resolution.y=BitmapHeader1.VertRes/470.0;
}
image->columns=BitmapHeader1.Width;
image->rows=BitmapHeader1.Height;
bpp=BitmapHeader1.Depth;
goto UnpackRaster;
case 0x0E: /*Color palette */
WPG_Palette.StartIndex=ReadBlobLSBShort(image);
WPG_Palette.NumOfEntries=ReadBlobLSBShort(image);
image->colors=WPG_Palette.NumOfEntries;
if (!AcquireImageColormap(image,image->colors,exception))
goto NoMemory;
for (i=WPG_Palette.StartIndex;
i < (int)WPG_Palette.NumOfEntries; i++)
{
image->colormap[i].red=ScaleCharToQuantum((unsigned char)
ReadBlobByte(image));
image->colormap[i].green=ScaleCharToQuantum((unsigned char)
ReadBlobByte(image));
image->colormap[i].blue=ScaleCharToQuantum((unsigned char)
ReadBlobByte(image));
}
break;
case 0x11: /* Start PS l1 */
if(Rec.RecordLength > 8)
image=ExtractPostscript(image,image_info,
TellBlob(image)+8, /* skip PS header in the wpg */
(ssize_t) Rec.RecordLength-8,exception);
break;
case 0x14: /* bitmap type 2 */
BitmapHeader2.RotAngle=ReadBlobLSBShort(image);
BitmapHeader2.LowLeftX=ReadBlobLSBShort(image);
BitmapHeader2.LowLeftY=ReadBlobLSBShort(image);
BitmapHeader2.UpRightX=ReadBlobLSBShort(image);
BitmapHeader2.UpRightY=ReadBlobLSBShort(image);
BitmapHeader2.Width=ReadBlobLSBShort(image);
BitmapHeader2.Height=ReadBlobLSBShort(image);
if ((BitmapHeader2.Width == 0) || (BitmapHeader2.Height == 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
BitmapHeader2.Depth=ReadBlobLSBShort(image);
BitmapHeader2.HorzRes=ReadBlobLSBShort(image);
BitmapHeader2.VertRes=ReadBlobLSBShort(image);
image->units=PixelsPerCentimeterResolution;
image->page.width=(unsigned int)
((BitmapHeader2.LowLeftX-BitmapHeader2.UpRightX)/470.0);
image->page.height=(unsigned int)
((BitmapHeader2.LowLeftX-BitmapHeader2.UpRightY)/470.0);
image->page.x=(int) (BitmapHeader2.LowLeftX/470.0);
image->page.y=(int) (BitmapHeader2.LowLeftX/470.0);
if(BitmapHeader2.HorzRes && BitmapHeader2.VertRes)
{
image->resolution.x=BitmapHeader2.HorzRes/470.0;
image->resolution.y=BitmapHeader2.VertRes/470.0;
}
image->columns=BitmapHeader2.Width;
image->rows=BitmapHeader2.Height;
bpp=BitmapHeader2.Depth;
UnpackRaster:
if ((image->colors == 0) && (bpp != 24))
{
image->colors=one << bpp;
if (!AcquireImageColormap(image,image->colors,exception))
{
NoMemory:
ThrowReaderException(ResourceLimitError,
"MemoryAllocationFailed");
}
/* printf("Load default colormap \n"); */
for (i=0; (i < (int) image->colors) && (i < 256); i++)
{
image->colormap[i].red=ScaleCharToQuantum(WPG1_Palette[i].Red);
image->colormap[i].green=ScaleCharToQuantum(WPG1_Palette[i].Green);
image->colormap[i].blue=ScaleCharToQuantum(WPG1_Palette[i].Blue);
}
}
else
{
if (bpp < 24)
if ( (image->colors < (one << bpp)) && (bpp != 24) )
image->colormap=(PixelInfo *) ResizeQuantumMemory(
image->colormap,(size_t) (one << bpp),
sizeof(*image->colormap));
}
if (bpp == 1)
{
if(image->colormap[0].red==0 &&
image->colormap[0].green==0 &&
image->colormap[0].blue==0 &&
image->colormap[1].red==0 &&
image->colormap[1].green==0 &&
image->colormap[1].blue==0)
{ /* fix crippled monochrome palette */
image->colormap[1].red =
image->colormap[1].green =
image->colormap[1].blue = QuantumRange;
}
}
if(UnpackWPGRaster(image,bpp,exception) < 0)
/* The raster cannot be unpacked */
{
DecompressionFailed:
ThrowReaderException(CoderError,"UnableToDecompressImage");
}
if(Rec.RecType==0x14 && BitmapHeader2.RotAngle!=0 && !image_info->ping)
{
/* flop command */
if(BitmapHeader2.RotAngle & 0x8000)
{
Image
*flop_image;
flop_image = FlopImage(image, exception);
if (flop_image != (Image *) NULL) {
DuplicateBlob(flop_image,image);
(void) RemoveLastImageFromList(&image);
AppendImageToList(&image,flop_image);
}
}
/* flip command */
if(BitmapHeader2.RotAngle & 0x2000)
{
Image
*flip_image;
flip_image = FlipImage(image, exception);
if (flip_image != (Image *) NULL) {
DuplicateBlob(flip_image,image);
(void) RemoveLastImageFromList(&image);
AppendImageToList(&image,flip_image);
}
}
/* rotate command */
if(BitmapHeader2.RotAngle & 0x0FFF)
{
Image
*rotate_image;
rotate_image=RotateImage(image,(BitmapHeader2.RotAngle &
0x0FFF), exception);
if (rotate_image != (Image *) NULL) {
DuplicateBlob(rotate_image,image);
(void) RemoveLastImageFromList(&image);
AppendImageToList(&image,rotate_image);
}
}
}
/* Allocate next image structure. */
AcquireNextImage(image_info,image,exception);
image->depth=8;
if (image->next == (Image *) NULL)
goto Finish;
image=SyncNextImageInList(image);
image->columns=image->rows=0;
image->colors=0;
break;
case 0x1B: /* Postscript l2 */
if(Rec.RecordLength>0x3C)
image=ExtractPostscript(image,image_info,
TellBlob(image)+0x3C, /* skip PS l2 header in the wpg */
(ssize_t) Rec.RecordLength-0x3C,exception);
break;
}
}
break;
case 2: /* WPG level 2 */
(void) memset(CTM,0,sizeof(CTM));
StartWPG.PosSizePrecision = 0;
while(!EOFBlob(image)) /* object parser loop */
{
(void) SeekBlob(image,Header.DataOffset,SEEK_SET);
if(EOFBlob(image))
break;
Rec2.Class=(i=ReadBlobByte(image));
if(i==EOF)
break;
Rec2.RecType=(i=ReadBlobByte(image));
if(i==EOF)
break;
Rd_WP_DWORD(image,&Rec2.Extension);
Rd_WP_DWORD(image,&Rec2.RecordLength);
if(EOFBlob(image))
break;
Header.DataOffset=TellBlob(image)+Rec2.RecordLength;
switch(Rec2.RecType)
{
case 1:
StartWPG.HorizontalUnits=ReadBlobLSBShort(image);
StartWPG.VerticalUnits=ReadBlobLSBShort(image);
StartWPG.PosSizePrecision=ReadBlobByte(image);
break;
case 0x0C: /* Color palette */
WPG_Palette.StartIndex=ReadBlobLSBShort(image);
WPG_Palette.NumOfEntries=ReadBlobLSBShort(image);
image->colors=WPG_Palette.NumOfEntries;
if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
ThrowReaderException(ResourceLimitError,
"MemoryAllocationFailed");
for (i=WPG_Palette.StartIndex;
i < (int)WPG_Palette.NumOfEntries; i++)
{
image->colormap[i].red=ScaleCharToQuantum((char)
ReadBlobByte(image));
image->colormap[i].green=ScaleCharToQuantum((char)
ReadBlobByte(image));
image->colormap[i].blue=ScaleCharToQuantum((char)
ReadBlobByte(image));
(void) ReadBlobByte(image); /*Opacity??*/
}
break;
case 0x0E:
Bitmap2Header1.Width=ReadBlobLSBShort(image);
Bitmap2Header1.Height=ReadBlobLSBShort(image);
if ((Bitmap2Header1.Width == 0) || (Bitmap2Header1.Height == 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
Bitmap2Header1.Depth=ReadBlobByte(image);
Bitmap2Header1.Compression=ReadBlobByte(image);
if(Bitmap2Header1.Compression > 1)
continue; /*Unknown compression method */
switch(Bitmap2Header1.Depth)
{
case 1:
bpp=1;
break;
case 2:
bpp=2;
break;
case 3:
bpp=4;
break;
case 4:
bpp=8;
break;
case 8:
bpp=24;
break;
default:
continue; /*Ignore raster with unknown depth*/
}
image->columns=Bitmap2Header1.Width;
image->rows=Bitmap2Header1.Height;
if ((image->colors == 0) && (bpp != 24))
{
size_t
one;
one=1;
image->colors=one << bpp;
if (!AcquireImageColormap(image,image->colors,exception))
goto NoMemory;
}
else
{
if(bpp < 24)
if( image->colors<(one << bpp) && bpp!=24 )
image->colormap=(PixelInfo *) ResizeQuantumMemory(
image->colormap,(size_t) (one << bpp),
sizeof(*image->colormap));
}
switch(Bitmap2Header1.Compression)
{
case 0: /*Uncompressed raster*/
{
ldblk=(ssize_t) ((bpp*image->columns+7)/8);
BImgBuff=(unsigned char *) AcquireQuantumMemory((size_t)
ldblk,sizeof(*BImgBuff));
if (BImgBuff == (unsigned char *) NULL)
goto NoMemory;
for(i=0; i< (ssize_t) image->rows; i++)
{
(void) ReadBlob(image,ldblk,BImgBuff);
InsertRow(image,BImgBuff,i,bpp,exception);
}
if(BImgBuff)
BImgBuff=(unsigned char *) RelinquishMagickMemory(BImgBuff);;
break;
}
case 1: /*RLE for WPG2 */
{
if( UnpackWPG2Raster(image,bpp,exception) < 0)
goto DecompressionFailed;
break;
}
}
if(CTM[0][0]<0 && !image_info->ping)
{ /*?? RotAngle=360-RotAngle;*/
Image
*flop_image;
flop_image = FlopImage(image, exception);
if (flop_image != (Image *) NULL) {
DuplicateBlob(flop_image,image);
(void) RemoveLastImageFromList(&image);
AppendImageToList(&image,flop_image);
}
/* Try to change CTM according to Flip - I am not sure, must be checked.
Tx(0,0)=-1; Tx(1,0)=0; Tx(2,0)=0;
Tx(0,1)= 0; Tx(1,1)=1; Tx(2,1)=0;
Tx(0,2)=(WPG._2Rect.X_ur+WPG._2Rect.X_ll);
Tx(1,2)=0; Tx(2,2)=1; */
}
if(CTM[1][1]<0 && !image_info->ping)
{ /*?? RotAngle=360-RotAngle;*/
Image
*flip_image;
flip_image = FlipImage(image, exception);
if (flip_image != (Image *) NULL) {
DuplicateBlob(flip_image,image);
(void) RemoveLastImageFromList(&image);
AppendImageToList(&image,flip_image);
}
/* Try to change CTM according to Flip - I am not sure, must be checked.
float_matrix Tx(3,3);
Tx(0,0)= 1; Tx(1,0)= 0; Tx(2,0)=0;
Tx(0,1)= 0; Tx(1,1)=-1; Tx(2,1)=0;
Tx(0,2)= 0; Tx(1,2)=(WPG._2Rect.Y_ur+WPG._2Rect.Y_ll);
Tx(2,2)=1; */
}
/* Allocate next image structure. */
AcquireNextImage(image_info,image,exception);
image->depth=8;
if (image->next == (Image *) NULL)
goto Finish;
image=SyncNextImageInList(image);
image->columns=image->rows=1;
image->colors=0;
break;
case 0x12: /* Postscript WPG2*/
i=ReadBlobLSBShort(image);
if(Rec2.RecordLength > (unsigned int) i)
image=ExtractPostscript(image,image_info,
TellBlob(image)+i, /*skip PS header in the wpg2*/
(ssize_t) (Rec2.RecordLength-i-2),exception);
break;
case 0x1B: /*bitmap rectangle*/
WPG2Flags = LoadWPG2Flags(image,StartWPG.PosSizePrecision,NULL,&CTM);
(void) WPG2Flags;
break;
}
}
break;
default:
{
ThrowReaderException(CoderError,"DataEncodingSchemeIsNotSupported");
}
}
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
Finish:
(void) CloseBlob(image);
{
Image
*p;
ssize_t
scene=0;
/*
Rewind list, removing any empty images while rewinding.
*/
p=image;
image=NULL;
while (p != (Image *) NULL)
{
Image *tmp=p;
if ((p->rows == 0) || (p->columns == 0)) {
p=p->previous;
DeleteImageFromList(&tmp);
} else {
image=p;
p=p->previous;
}
}
/*
Fix scene numbers.
*/
for (p=image; p != (Image *) NULL; p=p->next)
p->scene=(size_t) scene++;
}
if (image == (Image *) NULL)
ThrowReaderException(CorruptImageError,
"ImageFileDoesNotContainAnyImageData");
return(image);
}
|
CWE-125
| 181,967 | 3,349 |
173315226387850514659951355993749718307
| null | null | null |
ImageMagick
|
4f2c04ea6673863b87ac7f186cbb0d911f74085c
| 1 |
static void RemoveResolutionFromResourceBlock(StringInfo *bim_profile)
{
register const unsigned char
*p;
size_t
length;
unsigned char
*datum;
unsigned int
count,
long_sans;
unsigned short
id,
short_sans;
length=GetStringInfoLength(bim_profile);
if (length < 16)
return;
datum=GetStringInfoDatum(bim_profile);
for (p=datum; (p >= datum) && (p < (datum+length-16)); )
{
register unsigned char
*q;
q=(unsigned char *) p;
if (LocaleNCompare((const char *) p,"8BIM",4) != 0)
break;
p=PushLongPixel(MSBEndian,p,&long_sans);
p=PushShortPixel(MSBEndian,p,&id);
p=PushShortPixel(MSBEndian,p,&short_sans);
p=PushLongPixel(MSBEndian,p,&count);
if ((id == 0x000003ed) && (PSDQuantum(count) < (ssize_t) (length-12)))
{
(void) CopyMagickMemory(q,q+PSDQuantum(count)+12,length-
(PSDQuantum(count)+12)-(q-datum));
SetStringInfoLength(bim_profile,length-(PSDQuantum(count)+12));
break;
}
p+=count;
if ((count & 0x01) != 0)
p++;
}
}
|
CWE-125
| 181,968 | 3,350 |
140735378452963912765555743269379011137
| null | null | null |
ImageMagick
|
a2e1064f288a353bc5fef7f79ccb7683759e775c
| 1 |
static MagickBooleanType load_tile(Image *image,Image *tile_image,
XCFDocInfo *inDocInfo,XCFLayerInfo *inLayerInfo,size_t data_length,
ExceptionInfo *exception)
{
ssize_t
y;
register ssize_t
x;
register Quantum
*q;
ssize_t
count;
unsigned char
*graydata;
XCFPixelInfo
*xcfdata,
*xcfodata;
xcfdata=(XCFPixelInfo *) AcquireQuantumMemory(data_length,sizeof(*xcfdata));
if (xcfdata == (XCFPixelInfo *) NULL)
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
image->filename);
xcfodata=xcfdata;
graydata=(unsigned char *) xcfdata; /* used by gray and indexed */
count=ReadBlob(image,data_length,(unsigned char *) xcfdata);
if (count != (ssize_t) data_length)
ThrowBinaryException(CorruptImageError,"NotEnoughPixelData",
image->filename);
for (y=0; y < (ssize_t) tile_image->rows; y++)
{
q=GetAuthenticPixels(tile_image,0,y,tile_image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
if (inDocInfo->image_type == GIMP_GRAY)
{
for (x=0; x < (ssize_t) tile_image->columns; x++)
{
SetPixelGray(tile_image,ScaleCharToQuantum(*graydata),q);
SetPixelAlpha(tile_image,ScaleCharToQuantum((unsigned char)
inLayerInfo->alpha),q);
graydata++;
q+=GetPixelChannels(tile_image);
}
}
else
if (inDocInfo->image_type == GIMP_RGB)
{
for (x=0; x < (ssize_t) tile_image->columns; x++)
{
SetPixelRed(tile_image,ScaleCharToQuantum(xcfdata->red),q);
SetPixelGreen(tile_image,ScaleCharToQuantum(xcfdata->green),q);
SetPixelBlue(tile_image,ScaleCharToQuantum(xcfdata->blue),q);
SetPixelAlpha(tile_image,xcfdata->alpha == 255U ? TransparentAlpha :
ScaleCharToQuantum((unsigned char) inLayerInfo->alpha),q);
xcfdata++;
q+=GetPixelChannels(tile_image);
}
}
if (SyncAuthenticPixels(tile_image,exception) == MagickFalse)
break;
}
xcfodata=(XCFPixelInfo *) RelinquishMagickMemory(xcfodata);
return MagickTrue;
}
|
CWE-125
| 181,972 | 3,353 |
37826674930539909587600589675460223959
| null | null | null |
ImageMagick
|
ca0c886abd6d3ef335eb74150cd23b89ebd17135
| 1 |
static Image *ReadVIFFImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
#define VFF_CM_genericRGB 15
#define VFF_CM_ntscRGB 1
#define VFF_CM_NONE 0
#define VFF_DEP_DECORDER 0x4
#define VFF_DEP_NSORDER 0x8
#define VFF_DES_RAW 0
#define VFF_LOC_IMPLICIT 1
#define VFF_MAPTYP_NONE 0
#define VFF_MAPTYP_1_BYTE 1
#define VFF_MAPTYP_2_BYTE 2
#define VFF_MAPTYP_4_BYTE 4
#define VFF_MAPTYP_FLOAT 5
#define VFF_MAPTYP_DOUBLE 7
#define VFF_MS_NONE 0
#define VFF_MS_ONEPERBAND 1
#define VFF_MS_SHARED 3
#define VFF_TYP_BIT 0
#define VFF_TYP_1_BYTE 1
#define VFF_TYP_2_BYTE 2
#define VFF_TYP_4_BYTE 4
#define VFF_TYP_FLOAT 5
#define VFF_TYP_DOUBLE 9
typedef struct _ViffInfo
{
unsigned char
identifier,
file_type,
release,
version,
machine_dependency,
reserve[3];
char
comment[512];
unsigned int
rows,
columns,
subrows;
int
x_offset,
y_offset;
float
x_bits_per_pixel,
y_bits_per_pixel;
unsigned int
location_type,
location_dimension,
number_of_images,
number_data_bands,
data_storage_type,
data_encode_scheme,
map_scheme,
map_storage_type,
map_rows,
map_columns,
map_subrows,
map_enable,
maps_per_cycle,
color_space_model;
} ViffInfo;
double
min_value,
scale_factor,
value;
Image
*image;
int
bit;
MagickBooleanType
status;
MagickSizeType
number_pixels;
register IndexPacket
*indexes;
register ssize_t
x;
register PixelPacket
*q;
register ssize_t
i;
register unsigned char
*p;
size_t
bytes_per_pixel,
max_packets,
quantum;
ssize_t
count,
y;
unsigned char
*pixels;
unsigned long
lsb_first;
ViffInfo
viff_info;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Read VIFF header (1024 bytes).
*/
count=ReadBlob(image,1,&viff_info.identifier);
do
{
/*
Verify VIFF identifier.
*/
if ((count != 1) || ((unsigned char) viff_info.identifier != 0xab))
ThrowReaderException(CorruptImageError,"NotAVIFFImage");
/*
Initialize VIFF image.
*/
(void) ReadBlob(image,sizeof(viff_info.file_type),&viff_info.file_type);
(void) ReadBlob(image,sizeof(viff_info.release),&viff_info.release);
(void) ReadBlob(image,sizeof(viff_info.version),&viff_info.version);
(void) ReadBlob(image,sizeof(viff_info.machine_dependency),
&viff_info.machine_dependency);
(void) ReadBlob(image,sizeof(viff_info.reserve),viff_info.reserve);
(void) ReadBlob(image,512,(unsigned char *) viff_info.comment);
viff_info.comment[511]='\0';
if (strlen(viff_info.comment) > 4)
(void) SetImageProperty(image,"comment",viff_info.comment);
if ((viff_info.machine_dependency == VFF_DEP_DECORDER) ||
(viff_info.machine_dependency == VFF_DEP_NSORDER))
image->endian=LSBEndian;
else
image->endian=MSBEndian;
viff_info.rows=ReadBlobLong(image);
viff_info.columns=ReadBlobLong(image);
viff_info.subrows=ReadBlobLong(image);
viff_info.x_offset=(int) ReadBlobLong(image);
viff_info.y_offset=(int) ReadBlobLong(image);
viff_info.x_bits_per_pixel=(float) ReadBlobLong(image);
viff_info.y_bits_per_pixel=(float) ReadBlobLong(image);
viff_info.location_type=ReadBlobLong(image);
viff_info.location_dimension=ReadBlobLong(image);
viff_info.number_of_images=ReadBlobLong(image);
viff_info.number_data_bands=ReadBlobLong(image);
viff_info.data_storage_type=ReadBlobLong(image);
viff_info.data_encode_scheme=ReadBlobLong(image);
viff_info.map_scheme=ReadBlobLong(image);
viff_info.map_storage_type=ReadBlobLong(image);
viff_info.map_rows=ReadBlobLong(image);
viff_info.map_columns=ReadBlobLong(image);
viff_info.map_subrows=ReadBlobLong(image);
viff_info.map_enable=ReadBlobLong(image);
viff_info.maps_per_cycle=ReadBlobLong(image);
viff_info.color_space_model=ReadBlobLong(image);
for (i=0; i < 420; i++)
(void) ReadBlobByte(image);
if (EOFBlob(image) != MagickFalse)
ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
image->columns=viff_info.rows;
image->rows=viff_info.columns;
image->depth=viff_info.x_bits_per_pixel <= 8 ? 8UL :
MAGICKCORE_QUANTUM_DEPTH;
/*
Verify that we can read this VIFF image.
*/
number_pixels=(MagickSizeType) viff_info.columns*viff_info.rows;
if (number_pixels != (size_t) number_pixels)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
if (number_pixels == 0)
ThrowReaderException(CoderError,"ImageColumnOrRowSizeIsNotSupported");
if ((viff_info.number_data_bands < 1) || (viff_info.number_data_bands > 4))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if ((viff_info.data_storage_type != VFF_TYP_BIT) &&
(viff_info.data_storage_type != VFF_TYP_1_BYTE) &&
(viff_info.data_storage_type != VFF_TYP_2_BYTE) &&
(viff_info.data_storage_type != VFF_TYP_4_BYTE) &&
(viff_info.data_storage_type != VFF_TYP_FLOAT) &&
(viff_info.data_storage_type != VFF_TYP_DOUBLE))
ThrowReaderException(CoderError,"DataStorageTypeIsNotSupported");
if (viff_info.data_encode_scheme != VFF_DES_RAW)
ThrowReaderException(CoderError,"DataEncodingSchemeIsNotSupported");
if ((viff_info.map_storage_type != VFF_MAPTYP_NONE) &&
(viff_info.map_storage_type != VFF_MAPTYP_1_BYTE) &&
(viff_info.map_storage_type != VFF_MAPTYP_2_BYTE) &&
(viff_info.map_storage_type != VFF_MAPTYP_4_BYTE) &&
(viff_info.map_storage_type != VFF_MAPTYP_FLOAT) &&
(viff_info.map_storage_type != VFF_MAPTYP_DOUBLE))
ThrowReaderException(CoderError,"MapStorageTypeIsNotSupported");
if ((viff_info.color_space_model != VFF_CM_NONE) &&
(viff_info.color_space_model != VFF_CM_ntscRGB) &&
(viff_info.color_space_model != VFF_CM_genericRGB))
ThrowReaderException(CoderError,"ColorspaceModelIsNotSupported");
if (viff_info.location_type != VFF_LOC_IMPLICIT)
ThrowReaderException(CoderError,"LocationTypeIsNotSupported");
if (viff_info.number_of_images != 1)
ThrowReaderException(CoderError,"NumberOfImagesIsNotSupported");
if (viff_info.map_rows == 0)
viff_info.map_scheme=VFF_MS_NONE;
switch ((int) viff_info.map_scheme)
{
case VFF_MS_NONE:
{
if (viff_info.number_data_bands < 3)
{
/*
Create linear color ramp.
*/
if (viff_info.data_storage_type == VFF_TYP_BIT)
image->colors=2;
else
if (viff_info.data_storage_type == VFF_MAPTYP_1_BYTE)
image->colors=256UL;
else
image->colors=image->depth <= 8 ? 256UL : 65536UL;
if (AcquireImageColormap(image,image->colors) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
break;
}
case VFF_MS_ONEPERBAND:
case VFF_MS_SHARED:
{
unsigned char
*viff_colormap;
/*
Allocate VIFF colormap.
*/
switch ((int) viff_info.map_storage_type)
{
case VFF_MAPTYP_1_BYTE: bytes_per_pixel=1; break;
case VFF_MAPTYP_2_BYTE: bytes_per_pixel=2; break;
case VFF_MAPTYP_4_BYTE: bytes_per_pixel=4; break;
case VFF_MAPTYP_FLOAT: bytes_per_pixel=4; break;
case VFF_MAPTYP_DOUBLE: bytes_per_pixel=8; break;
default: bytes_per_pixel=1; break;
}
image->colors=viff_info.map_columns;
if (AcquireImageColormap(image,image->colors) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
if (viff_info.map_rows >
(viff_info.map_rows*bytes_per_pixel*sizeof(*viff_colormap)))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
viff_colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
viff_info.map_rows*bytes_per_pixel*sizeof(*viff_colormap));
if (viff_colormap == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
/*
Read VIFF raster colormap.
*/
(void) ReadBlob(image,bytes_per_pixel*image->colors*viff_info.map_rows,
viff_colormap);
lsb_first=1;
if (*(char *) &lsb_first &&
((viff_info.machine_dependency != VFF_DEP_DECORDER) &&
(viff_info.machine_dependency != VFF_DEP_NSORDER)))
switch ((int) viff_info.map_storage_type)
{
case VFF_MAPTYP_2_BYTE:
{
MSBOrderShort(viff_colormap,(bytes_per_pixel*image->colors*
viff_info.map_rows));
break;
}
case VFF_MAPTYP_4_BYTE:
case VFF_MAPTYP_FLOAT:
{
MSBOrderLong(viff_colormap,(bytes_per_pixel*image->colors*
viff_info.map_rows));
break;
}
default: break;
}
for (i=0; i < (ssize_t) (viff_info.map_rows*image->colors); i++)
{
switch ((int) viff_info.map_storage_type)
{
case VFF_MAPTYP_2_BYTE: value=1.0*((short *) viff_colormap)[i]; break;
case VFF_MAPTYP_4_BYTE: value=1.0*((int *) viff_colormap)[i]; break;
case VFF_MAPTYP_FLOAT: value=((float *) viff_colormap)[i]; break;
case VFF_MAPTYP_DOUBLE: value=((double *) viff_colormap)[i]; break;
default: value=1.0*viff_colormap[i]; break;
}
if (i < (ssize_t) image->colors)
{
image->colormap[i].red=ScaleCharToQuantum((unsigned char) value);
image->colormap[i].green=ScaleCharToQuantum((unsigned char)
value);
image->colormap[i].blue=ScaleCharToQuantum((unsigned char) value);
}
else
if (i < (ssize_t) (2*image->colors))
image->colormap[i % image->colors].green=ScaleCharToQuantum(
(unsigned char) value);
else
if (i < (ssize_t) (3*image->colors))
image->colormap[i % image->colors].blue=ScaleCharToQuantum(
(unsigned char) value);
}
viff_colormap=(unsigned char *) RelinquishMagickMemory(viff_colormap);
break;
}
default:
ThrowReaderException(CoderError,"ColormapTypeNotSupported");
}
/*
Initialize image structure.
*/
image->matte=viff_info.number_data_bands == 4 ? MagickTrue : MagickFalse;
image->storage_class=
(viff_info.number_data_bands < 3 ? PseudoClass : DirectClass);
image->columns=viff_info.rows;
image->rows=viff_info.columns;
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
status=SetImageExtent(image,image->columns,image->rows);
if (status == MagickFalse)
{
InheritException(exception,&image->exception);
return(DestroyImageList(image));
}
/*
Allocate VIFF pixels.
*/
switch ((int) viff_info.data_storage_type)
{
case VFF_TYP_2_BYTE: bytes_per_pixel=2; break;
case VFF_TYP_4_BYTE: bytes_per_pixel=4; break;
case VFF_TYP_FLOAT: bytes_per_pixel=4; break;
case VFF_TYP_DOUBLE: bytes_per_pixel=8; break;
default: bytes_per_pixel=1; break;
}
if (viff_info.data_storage_type == VFF_TYP_BIT)
max_packets=((image->columns+7UL) >> 3UL)*image->rows;
else
max_packets=(size_t) (number_pixels*viff_info.number_data_bands);
pixels=(unsigned char *) AcquireQuantumMemory(max_packets,
bytes_per_pixel*sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
(void) ReadBlob(image,bytes_per_pixel*max_packets,pixels);
lsb_first=1;
if (*(char *) &lsb_first &&
((viff_info.machine_dependency != VFF_DEP_DECORDER) &&
(viff_info.machine_dependency != VFF_DEP_NSORDER)))
switch ((int) viff_info.data_storage_type)
{
case VFF_TYP_2_BYTE:
{
MSBOrderShort(pixels,bytes_per_pixel*max_packets);
break;
}
case VFF_TYP_4_BYTE:
case VFF_TYP_FLOAT:
{
MSBOrderLong(pixels,bytes_per_pixel*max_packets);
break;
}
default: break;
}
min_value=0.0;
scale_factor=1.0;
if ((viff_info.data_storage_type != VFF_TYP_1_BYTE) &&
(viff_info.map_scheme == VFF_MS_NONE))
{
double
max_value;
/*
Determine scale factor.
*/
switch ((int) viff_info.data_storage_type)
{
case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[0]; break;
case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[0]; break;
case VFF_TYP_FLOAT: value=((float *) pixels)[0]; break;
case VFF_TYP_DOUBLE: value=((double *) pixels)[0]; break;
default: value=1.0*pixels[0]; break;
}
max_value=value;
min_value=value;
for (i=0; i < (ssize_t) max_packets; i++)
{
switch ((int) viff_info.data_storage_type)
{
case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[i]; break;
case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[i]; break;
case VFF_TYP_FLOAT: value=((float *) pixels)[i]; break;
case VFF_TYP_DOUBLE: value=((double *) pixels)[i]; break;
default: value=1.0*pixels[i]; break;
}
if (value > max_value)
max_value=value;
else
if (value < min_value)
min_value=value;
}
if ((min_value == 0) && (max_value == 0))
scale_factor=0;
else
if (min_value == max_value)
{
scale_factor=(MagickRealType) QuantumRange/min_value;
min_value=0;
}
else
scale_factor=(MagickRealType) QuantumRange/(max_value-min_value);
}
/*
Convert pixels to Quantum size.
*/
p=(unsigned char *) pixels;
for (i=0; i < (ssize_t) max_packets; i++)
{
switch ((int) viff_info.data_storage_type)
{
case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[i]; break;
case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[i]; break;
case VFF_TYP_FLOAT: value=((float *) pixels)[i]; break;
case VFF_TYP_DOUBLE: value=((double *) pixels)[i]; break;
default: value=1.0*pixels[i]; break;
}
if (viff_info.map_scheme == VFF_MS_NONE)
{
value=(value-min_value)*scale_factor;
if (value > QuantumRange)
value=QuantumRange;
else
if (value < 0)
value=0;
}
*p=(unsigned char) ((Quantum) value);
p++;
}
/*
Convert VIFF raster image to pixel packets.
*/
p=(unsigned char *) pixels;
if (viff_info.data_storage_type == VFF_TYP_BIT)
{
/*
Convert bitmap scanline.
*/
if (image->storage_class != PseudoClass)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
indexes=GetAuthenticIndexQueue(image);
for (x=0; x < (ssize_t) (image->columns-7); x+=8)
{
for (bit=0; bit < 8; bit++)
{
quantum=(size_t) ((*p) & (0x01 << bit) ? 0 : 1);
SetPixelRed(q,quantum == 0 ? 0 : QuantumRange);
SetPixelGreen(q,quantum == 0 ? 0 : QuantumRange);
SetPixelBlue(q,quantum == 0 ? 0 : QuantumRange);
if (image->storage_class == PseudoClass)
SetPixelIndex(indexes+x+bit,quantum);
}
p++;
}
if ((image->columns % 8) != 0)
{
for (bit=0; bit < (int) (image->columns % 8); bit++)
{
quantum=(size_t) ((*p) & (0x01 << bit) ? 0 : 1);
SetPixelRed(q,quantum == 0 ? 0 : QuantumRange);
SetPixelGreen(q,quantum == 0 ? 0 : QuantumRange);
SetPixelBlue(q,quantum == 0 ? 0 : QuantumRange);
if (image->storage_class == PseudoClass)
SetPixelIndex(indexes+x+bit,quantum);
}
p++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
}
else
if (image->storage_class == PseudoClass)
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
indexes=GetAuthenticIndexQueue(image);
for (x=0; x < (ssize_t) image->columns; x++)
SetPixelIndex(indexes+x,*p++);
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
else
{
/*
Convert DirectColor scanline.
*/
number_pixels=(MagickSizeType) image->columns*image->rows;
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelRed(q,ScaleCharToQuantum(*p));
SetPixelGreen(q,ScaleCharToQuantum(*(p+number_pixels)));
SetPixelBlue(q,ScaleCharToQuantum(*(p+2*number_pixels)));
if (image->colors != 0)
{
ssize_t
index;
index=(ssize_t) GetPixelRed(q);
SetPixelRed(q,image->colormap[(ssize_t)
ConstrainColormapIndex(image,index)].red);
index=(ssize_t) GetPixelGreen(q);
SetPixelGreen(q,image->colormap[(ssize_t)
ConstrainColormapIndex(image,index)].green);
index=(ssize_t) GetPixelRed(q);
SetPixelBlue(q,image->colormap[(ssize_t)
ConstrainColormapIndex(image,index)].blue);
}
SetPixelOpacity(q,image->matte != MagickFalse ? QuantumRange-
ScaleCharToQuantum(*(p+number_pixels*3)) : OpaqueOpacity);
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
}
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (image->storage_class == PseudoClass)
(void) SyncImage(image);
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
count=ReadBlob(image,1,&viff_info.identifier);
if ((count != 0) && (viff_info.identifier == 0xab))
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
} while ((count != 0) && (viff_info.identifier == 0xab));
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
|
CWE-125
| 181,973 | 3,354 |
260039204831931713822831167140977067383
| null | null | null |
ImageMagick
|
a251039393f423c7858e63cab6aa98d17b8b7a41
| 1 |
static Image *ExtractPostscript(Image *image,const ImageInfo *image_info,
MagickOffsetType PS_Offset,ssize_t PS_Size,ExceptionInfo *exception)
{
char
postscript_file[MaxTextExtent];
const MagicInfo
*magic_info;
FILE
*ps_file;
ImageInfo
*clone_info;
Image
*image2;
unsigned char
magick[2*MaxTextExtent];
if ((clone_info=CloneImageInfo(image_info)) == NULL)
return(image);
clone_info->blob=(void *) NULL;
clone_info->length=0;
/* Obtain temporary file */
(void) AcquireUniqueFilename(postscript_file);
ps_file=fopen_utf8(postscript_file,"wb");
if (ps_file == (FILE *) NULL)
goto FINISH;
/* Copy postscript to temporary file */
(void) SeekBlob(image,PS_Offset,SEEK_SET);
(void) ReadBlob(image, 2*MaxTextExtent, magick);
(void) SeekBlob(image,PS_Offset,SEEK_SET);
while(PS_Size-- > 0)
{
(void) fputc(ReadBlobByte(image),ps_file);
}
(void) fclose(ps_file);
/* Detect file format - Check magic.mgk configuration file. */
magic_info=GetMagicInfo(magick,2*MaxTextExtent,exception);
if(magic_info == (const MagicInfo *) NULL) goto FINISH_UNL;
/* printf("Detected:%s \n",magic_info->name); */
if(exception->severity != UndefinedException) goto FINISH_UNL;
if(magic_info->name == (char *) NULL) goto FINISH_UNL;
(void) CopyMagickMemory(clone_info->magick,magic_info->name,MaxTextExtent);
/* Read nested image */
/*FormatString(clone_info->filename,"%s:%s",magic_info->name,postscript_file);*/
FormatLocaleString(clone_info->filename,MaxTextExtent,"%s",postscript_file);
image2=ReadImage(clone_info,exception);
if (!image2)
goto FINISH_UNL;
/*
Replace current image with new image while copying base image
attributes.
*/
(void) CopyMagickMemory(image2->filename,image->filename,MaxTextExtent);
(void) CopyMagickMemory(image2->magick_filename,image->magick_filename,MaxTextExtent);
(void) CopyMagickMemory(image2->magick,image->magick,MaxTextExtent);
image2->depth=image->depth;
DestroyBlob(image2);
image2->blob=ReferenceBlob(image->blob);
if ((image->rows == 0) || (image->columns == 0))
DeleteImageFromList(&image);
AppendImageToList(&image,image2);
FINISH_UNL:
(void) RelinquishUniqueFileResource(postscript_file);
FINISH:
DestroyImageInfo(clone_info);
return(image);
}
|
CWE-125
| 181,974 | 3,355 |
33895286292450401025008663341254362546
| null | null | null |
ImageMagick
|
b6ae2f9e0ab13343c0281732d479757a8e8979c7
| 1 |
static void InsertRow(unsigned char *p,ssize_t y,Image *image, int bpp)
{
ExceptionInfo
*exception;
int
bit;
ssize_t
x;
register PixelPacket
*q;
IndexPacket
index;
register IndexPacket
*indexes;
exception=(&image->exception);
switch (bpp)
{
case 1: /* Convert bitmap scanline. */
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
indexes=GetAuthenticIndexQueue(image);
for (x=0; x < ((ssize_t) image->columns-7); x+=8)
{
for (bit=0; bit < 8; bit++)
{
index=((*p) & (0x80 >> bit) ? 0x01 : 0x00);
SetPixelIndex(indexes+x+bit,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
q++;
}
p++;
}
if ((image->columns % 8) != 0)
{
for (bit=0; bit < (ssize_t) (image->columns % 8); bit++)
{
index=((*p) & (0x80 >> bit) ? 0x01 : 0x00);
SetPixelIndex(indexes+x+bit,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
q++;
}
p++;
}
if (!SyncAuthenticPixels(image,exception))
break;
break;
}
case 2: /* Convert PseudoColor scanline. */
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
indexes=GetAuthenticIndexQueue(image);
for (x=0; x < ((ssize_t) image->columns-1); x+=2)
{
index=ConstrainColormapIndex(image,(*p >> 6) & 0x3);
SetPixelIndex(indexes+x,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
q++;
index=ConstrainColormapIndex(image,(*p >> 4) & 0x3);
SetPixelIndex(indexes+x,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
q++;
index=ConstrainColormapIndex(image,(*p >> 2) & 0x3);
SetPixelIndex(indexes+x,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
q++;
index=ConstrainColormapIndex(image,(*p) & 0x3);
SetPixelIndex(indexes+x+1,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
p++;
q++;
}
if ((image->columns % 4) != 0)
{
index=ConstrainColormapIndex(image,(*p >> 6) & 0x3);
SetPixelIndex(indexes+x,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
q++;
if ((image->columns % 4) >= 1)
{
index=ConstrainColormapIndex(image,(*p >> 4) & 0x3);
SetPixelIndex(indexes+x,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
q++;
if ((image->columns % 4) >= 2)
{
index=ConstrainColormapIndex(image,(*p >> 2) & 0x3);
SetPixelIndex(indexes+x,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
q++;
}
}
p++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
break;
}
case 4: /* Convert PseudoColor scanline. */
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
indexes=GetAuthenticIndexQueue(image);
for (x=0; x < ((ssize_t) image->columns-1); x+=2)
{
index=ConstrainColormapIndex(image,(*p >> 4) & 0x0f);
SetPixelIndex(indexes+x,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
q++;
index=ConstrainColormapIndex(image,(*p) & 0x0f);
SetPixelIndex(indexes+x+1,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
p++;
q++;
}
if ((image->columns % 2) != 0)
{
index=ConstrainColormapIndex(image,(*p >> 4) & 0x0f);
SetPixelIndex(indexes+x,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
break;
}
case 8: /* Convert PseudoColor scanline. */
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL) break;
indexes=GetAuthenticIndexQueue(image);
for (x=0; x < (ssize_t) image->columns; x++)
{
index=ConstrainColormapIndex(image,*p);
SetPixelIndex(indexes+x,index);
SetPixelRGBO(q,image->colormap+(ssize_t) index);
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
break;
case 24: /* Convert DirectColor scanline. */
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelRed(q,ScaleCharToQuantum(*p++));
SetPixelGreen(q,ScaleCharToQuantum(*p++));
SetPixelBlue(q,ScaleCharToQuantum(*p++));
q++;
}
if (!SyncAuthenticPixels(image,exception))
break;
break;
}
}
|
CWE-787
| 181,975 | 3,356 |
67821963809470807002141132727765376598
| null | null | null |
ImageMagick
|
5f16640725b1225e6337c62526e6577f0f88edb8
| 1 |
static inline size_t GetPSDRowSize(Image *image)
{
if (image->depth == 1)
return((image->columns+7)/8);
else
return(image->columns*GetPSDPacketSize(image));
}
|
CWE-125
| 181,976 | 3,357 |
101676811618980074805860318586703182380
| null | null | null |
ImageMagick
|
30eec879c8b446b0ea9a3bb0da1a441cc8482bc4
| 1 |
static ssize_t DecodePSDPixels(const size_t number_compact_pixels,
const unsigned char *compact_pixels,const ssize_t depth,
const size_t number_pixels,unsigned char *pixels)
{
#define CheckNumberCompactPixels \
if (packets == 0) \
return(i); \
packets--
#define CheckNumberPixels(count) \
if (((ssize_t) i + count) > (ssize_t) number_pixels) \
return(i); \
i+=count
int
pixel;
register ssize_t
i,
j;
size_t
length;
ssize_t
packets;
packets=(ssize_t) number_compact_pixels;
for (i=0; (packets > 1) && (i < (ssize_t) number_pixels); )
{
packets--;
length=(size_t) (*compact_pixels++);
if (length == 128)
continue;
if (length > 128)
{
length=256-length+1;
CheckNumberCompactPixels;
pixel=(*compact_pixels++);
for (j=0; j < (ssize_t) length; j++)
{
switch (depth)
{
case 1:
{
CheckNumberPixels(8);
*pixels++=(pixel >> 7) & 0x01 ? 0U : 255U;
*pixels++=(pixel >> 6) & 0x01 ? 0U : 255U;
*pixels++=(pixel >> 5) & 0x01 ? 0U : 255U;
*pixels++=(pixel >> 4) & 0x01 ? 0U : 255U;
*pixels++=(pixel >> 3) & 0x01 ? 0U : 255U;
*pixels++=(pixel >> 2) & 0x01 ? 0U : 255U;
*pixels++=(pixel >> 1) & 0x01 ? 0U : 255U;
*pixels++=(pixel >> 0) & 0x01 ? 0U : 255U;
break;
}
case 2:
{
CheckNumberPixels(4);
*pixels++=(unsigned char) ((pixel >> 6) & 0x03);
*pixels++=(unsigned char) ((pixel >> 4) & 0x03);
*pixels++=(unsigned char) ((pixel >> 2) & 0x03);
*pixels++=(unsigned char) ((pixel & 0x03) & 0x03);
break;
}
case 4:
{
CheckNumberPixels(2);
*pixels++=(unsigned char) ((pixel >> 4) & 0xff);
*pixels++=(unsigned char) ((pixel & 0x0f) & 0xff);
break;
}
default:
{
CheckNumberPixels(1);
*pixels++=(unsigned char) pixel;
break;
}
}
}
continue;
}
length++;
for (j=0; j < (ssize_t) length; j++)
{
switch (depth)
{
case 1:
{
CheckNumberPixels(8);
*pixels++=(*compact_pixels >> 7) & 0x01 ? 0U : 255U;
*pixels++=(*compact_pixels >> 6) & 0x01 ? 0U : 255U;
*pixels++=(*compact_pixels >> 5) & 0x01 ? 0U : 255U;
*pixels++=(*compact_pixels >> 4) & 0x01 ? 0U : 255U;
*pixels++=(*compact_pixels >> 3) & 0x01 ? 0U : 255U;
*pixels++=(*compact_pixels >> 2) & 0x01 ? 0U : 255U;
*pixels++=(*compact_pixels >> 1) & 0x01 ? 0U : 255U;
*pixels++=(*compact_pixels >> 0) & 0x01 ? 0U : 255U;
break;
}
case 2:
{
CheckNumberPixels(4);
*pixels++=(*compact_pixels >> 6) & 0x03;
*pixels++=(*compact_pixels >> 4) & 0x03;
*pixels++=(*compact_pixels >> 2) & 0x03;
*pixels++=(*compact_pixels & 0x03) & 0x03;
break;
}
case 4:
{
CheckNumberPixels(2);
*pixels++=(*compact_pixels >> 4) & 0xff;
*pixels++=(*compact_pixels & 0x0f) & 0xff;
break;
}
default:
{
CheckNumberPixels(1);
*pixels++=(*compact_pixels);
break;
}
}
CheckNumberCompactPixels;
compact_pixels++;
}
}
return(i);
}
|
CWE-125
| 181,978 | 3,358 |
23578839469788656876522520530514288581
| null | null | null |
ImageMagick
|
14e606db148d6ebcaae20f1e1d6d71903ca4a556
| 1 |
static MagickBooleanType WriteHDRImage(const ImageInfo *image_info,Image *image,
ExceptionInfo *exception)
{
char
header[MagickPathExtent];
const char
*property;
MagickBooleanType
status;
register const Quantum
*p;
register ssize_t
i,
x;
size_t
length;
ssize_t
count,
y;
unsigned char
pixel[4],
*pixels;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
if (status == MagickFalse)
return(status);
if (IsRGBColorspace(image->colorspace) == MagickFalse)
(void) TransformImageColorspace(image,RGBColorspace,exception);
/*
Write header.
*/
(void) ResetMagickMemory(header,' ',MagickPathExtent);
length=CopyMagickString(header,"#?RGBE\n",MagickPathExtent);
(void) WriteBlob(image,length,(unsigned char *) header);
property=GetImageProperty(image,"comment",exception);
if ((property != (const char *) NULL) &&
(strchr(property,'\n') == (char *) NULL))
{
count=FormatLocaleString(header,MagickPathExtent,"#%s\n",property);
(void) WriteBlob(image,(size_t) count,(unsigned char *) header);
}
property=GetImageProperty(image,"hdr:exposure",exception);
if (property != (const char *) NULL)
{
count=FormatLocaleString(header,MagickPathExtent,"EXPOSURE=%g\n",
strtod(property,(char **) NULL));
(void) WriteBlob(image,(size_t) count,(unsigned char *) header);
}
if (image->gamma != 0.0)
{
count=FormatLocaleString(header,MagickPathExtent,"GAMMA=%g\n",image->gamma);
(void) WriteBlob(image,(size_t) count,(unsigned char *) header);
}
count=FormatLocaleString(header,MagickPathExtent,
"PRIMARIES=%g %g %g %g %g %g %g %g\n",
image->chromaticity.red_primary.x,image->chromaticity.red_primary.y,
image->chromaticity.green_primary.x,image->chromaticity.green_primary.y,
image->chromaticity.blue_primary.x,image->chromaticity.blue_primary.y,
image->chromaticity.white_point.x,image->chromaticity.white_point.y);
(void) WriteBlob(image,(size_t) count,(unsigned char *) header);
length=CopyMagickString(header,"FORMAT=32-bit_rle_rgbe\n\n",MagickPathExtent);
(void) WriteBlob(image,length,(unsigned char *) header);
count=FormatLocaleString(header,MagickPathExtent,"-Y %.20g +X %.20g\n",
(double) image->rows,(double) image->columns);
(void) WriteBlob(image,(size_t) count,(unsigned char *) header);
/*
Write HDR pixels.
*/
pixels=(unsigned char *) AcquireQuantumMemory(image->columns,4*
sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
if ((image->columns >= 8) && (image->columns <= 0x7ffff))
{
pixel[0]=2;
pixel[1]=2;
pixel[2]=(unsigned char) (image->columns >> 8);
pixel[3]=(unsigned char) (image->columns & 0xff);
count=WriteBlob(image,4*sizeof(*pixel),pixel);
if (count != (ssize_t) (4*sizeof(*pixel)))
break;
}
i=0;
for (x=0; x < (ssize_t) image->columns; x++)
{
double
gamma;
pixel[0]=0;
pixel[1]=0;
pixel[2]=0;
pixel[3]=0;
gamma=QuantumScale*GetPixelRed(image,p);
if ((QuantumScale*GetPixelGreen(image,p)) > gamma)
gamma=QuantumScale*GetPixelGreen(image,p);
if ((QuantumScale*GetPixelBlue(image,p)) > gamma)
gamma=QuantumScale*GetPixelBlue(image,p);
if (gamma > MagickEpsilon)
{
int
exponent;
gamma=frexp(gamma,&exponent)*256.0/gamma;
pixel[0]=(unsigned char) (gamma*QuantumScale*GetPixelRed(image,p));
pixel[1]=(unsigned char) (gamma*QuantumScale*GetPixelGreen(image,p));
pixel[2]=(unsigned char) (gamma*QuantumScale*GetPixelBlue(image,p));
pixel[3]=(unsigned char) (exponent+128);
}
if ((image->columns >= 8) && (image->columns <= 0x7ffff))
{
pixels[x]=pixel[0];
pixels[x+image->columns]=pixel[1];
pixels[x+2*image->columns]=pixel[2];
pixels[x+3*image->columns]=pixel[3];
}
else
{
pixels[i++]=pixel[0];
pixels[i++]=pixel[1];
pixels[i++]=pixel[2];
pixels[i++]=pixel[3];
}
p+=GetPixelChannels(image);
}
if ((image->columns >= 8) && (image->columns <= 0x7ffff))
{
for (i=0; i < 4; i++)
length=HDRWriteRunlengthPixels(image,&pixels[i*image->columns]);
}
else
{
count=WriteBlob(image,4*image->columns*sizeof(*pixels),pixels);
if (count != (ssize_t) (4*image->columns*sizeof(*pixels)))
break;
}
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
(void) CloseBlob(image);
return(MagickTrue);
}
|
CWE-125
| 181,979 | 3,359 |
243995582969504574327588922670997352369
| null | null | null |
ImageMagick
|
2ad6d33493750a28a5a655d319a8e0b16c392de1
| 1 |
static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
#define SkipLinesOp 0x01
#define SetColorOp 0x02
#define SkipPixelsOp 0x03
#define ByteDataOp 0x05
#define RunDataOp 0x06
#define EOFOp 0x07
char
magick[12];
Image
*image;
int
opcode,
operand,
status;
MagickStatusType
flags;
MagickSizeType
number_pixels;
MemoryInfo
*pixel_info;
Quantum
index;
register ssize_t
x;
register Quantum
*q;
register ssize_t
i;
register unsigned char
*p;
size_t
bits_per_pixel,
map_length,
number_colormaps,
number_planes,
one,
offset,
pixel_info_length;
ssize_t
count,
y;
unsigned char
background_color[256],
*colormap,
pixel,
plane,
*pixels;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
/*
Determine if this a RLE file.
*/
count=ReadBlob(image,2,(unsigned char *) magick);
if ((count != 2) || (memcmp(magick,"\122\314",2) != 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
do
{
/*
Read image header.
*/
image->page.x=ReadBlobLSBShort(image);
image->page.y=ReadBlobLSBShort(image);
image->columns=ReadBlobLSBShort(image);
image->rows=ReadBlobLSBShort(image);
flags=(MagickStatusType) ReadBlobByte(image);
image->alpha_trait=flags & 0x04 ? BlendPixelTrait : UndefinedPixelTrait;
number_planes=(size_t) ReadBlobByte(image);
bits_per_pixel=(size_t) ReadBlobByte(image);
number_colormaps=(size_t) ReadBlobByte(image);
map_length=(unsigned char) ReadBlobByte(image);
if (map_length >= 64)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
one=1;
map_length=one << map_length;
if ((number_planes == 0) || (number_planes == 2) || (bits_per_pixel != 8) ||
(image->columns == 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if (flags & 0x02)
{
/*
No background color-- initialize to black.
*/
for (i=0; i < (ssize_t) number_planes; i++)
background_color[i]=0;
(void) ReadBlobByte(image);
}
else
{
/*
Initialize background color.
*/
p=background_color;
for (i=0; i < (ssize_t) number_planes; i++)
*p++=(unsigned char) ReadBlobByte(image);
}
if ((number_planes & 0x01) == 0)
(void) ReadBlobByte(image);
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
colormap=(unsigned char *) NULL;
if (number_colormaps != 0)
{
/*
Read image colormaps.
*/
colormap=(unsigned char *) AcquireQuantumMemory(number_colormaps,
3*map_length*sizeof(*colormap));
if (colormap == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
p=colormap;
for (i=0; i < (ssize_t) number_colormaps; i++)
for (x=0; x < (ssize_t) map_length; x++)
*p++=(unsigned char) ScaleShortToQuantum(ReadBlobLSBShort(image));
}
if ((flags & 0x08) != 0)
{
char
*comment;
size_t
length;
/*
Read image comment.
*/
length=ReadBlobLSBShort(image);
if (length != 0)
{
comment=(char *) AcquireQuantumMemory(length,sizeof(*comment));
if (comment == (char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
count=ReadBlob(image,length-1,(unsigned char *) comment);
comment[length-1]='\0';
(void) SetImageProperty(image,"comment",comment,exception);
comment=DestroyString(comment);
if ((length & 0x01) == 0)
(void) ReadBlobByte(image);
}
}
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
/*
Allocate RLE pixels.
*/
if (image->alpha_trait != UndefinedPixelTrait)
number_planes++;
number_pixels=(MagickSizeType) image->columns*image->rows;
if ((number_pixels*number_planes) != (size_t) (number_pixels*number_planes))
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
pixel_info_length=image->columns*image->rows*MagickMax(number_planes,4);
pixel_info=AcquireVirtualMemory(pixel_info_length,sizeof(*pixels));
if (pixel_info == (MemoryInfo *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
if ((flags & 0x01) && !(flags & 0x02))
{
ssize_t
j;
/*
Set background color.
*/
p=pixels;
for (i=0; i < (ssize_t) number_pixels; i++)
{
if (image->alpha_trait == UndefinedPixelTrait)
for (j=0; j < (ssize_t) number_planes; j++)
*p++=background_color[j];
else
{
for (j=0; j < (ssize_t) (number_planes-1); j++)
*p++=background_color[j];
*p++=0; /* initialize matte channel */
}
}
}
/*
Read runlength-encoded image.
*/
plane=0;
x=0;
y=0;
opcode=ReadBlobByte(image);
do
{
switch (opcode & 0x3f)
{
case SkipLinesOp:
{
operand=ReadBlobByte(image);
if (opcode & 0x40)
operand=(int) ReadBlobLSBShort(image);
x=0;
y+=operand;
break;
}
case SetColorOp:
{
operand=ReadBlobByte(image);
plane=(unsigned char) operand;
if (plane == 255)
plane=(unsigned char) (number_planes-1);
x=0;
break;
}
case SkipPixelsOp:
{
operand=ReadBlobByte(image);
if (opcode & 0x40)
operand=(int) ReadBlobLSBShort(image);
x+=operand;
break;
}
case ByteDataOp:
{
operand=ReadBlobByte(image);
if (opcode & 0x40)
operand=(int) ReadBlobLSBShort(image);
offset=((image->rows-y-1)*image->columns*number_planes)+x*
number_planes+plane;
operand++;
if (offset+((size_t) operand*number_planes) > pixel_info_length)
{
if (number_colormaps != 0)
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
}
p=pixels+offset;
for (i=0; i < (ssize_t) operand; i++)
{
pixel=(unsigned char) ReadBlobByte(image);
if ((y < (ssize_t) image->rows) &&
((x+i) < (ssize_t) image->columns))
*p=pixel;
p+=number_planes;
}
if (operand & 0x01)
(void) ReadBlobByte(image);
x+=operand;
break;
}
case RunDataOp:
{
operand=ReadBlobByte(image);
if (opcode & 0x40)
operand=(int) ReadBlobLSBShort(image);
pixel=(unsigned char) ReadBlobByte(image);
(void) ReadBlobByte(image);
offset=((image->rows-y-1)*image->columns*number_planes)+x*
number_planes+plane;
operand++;
if (offset+((size_t) operand*number_planes) > pixel_info_length)
{
if (number_colormaps != 0)
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
}
p=pixels+offset;
for (i=0; i < (ssize_t) operand; i++)
{
if ((y < (ssize_t) image->rows) &&
((x+i) < (ssize_t) image->columns))
*p=pixel;
p+=number_planes;
}
x+=operand;
break;
}
default:
break;
}
opcode=ReadBlobByte(image);
} while (((opcode & 0x3f) != EOFOp) && (opcode != EOF));
if (number_colormaps != 0)
{
MagickStatusType
mask;
/*
Apply colormap affineation to image.
*/
mask=(MagickStatusType) (map_length-1);
p=pixels;
x=(ssize_t) number_planes;
if (number_colormaps == 1)
for (i=0; i < (ssize_t) number_pixels; i++)
{
if (IsValidColormapIndex(image,*p & mask,&index,exception) ==
MagickFalse)
break;
*p=colormap[(ssize_t) index];
p++;
}
else
if ((number_planes >= 3) && (number_colormaps >= 3))
for (i=0; i < (ssize_t) number_pixels; i++)
for (x=0; x < (ssize_t) number_planes; x++)
{
if (IsValidColormapIndex(image,(size_t) (x*map_length+
(*p & mask)),&index,exception) == MagickFalse)
break;
*p=colormap[(ssize_t) index];
p++;
}
if ((i < (ssize_t) number_pixels) || (x < (ssize_t) number_planes))
{
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
}
}
/*
Initialize image structure.
*/
if (number_planes >= 3)
{
/*
Convert raster image to DirectClass pixel packets.
*/
p=pixels;
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelRed(image,ScaleCharToQuantum(*p++),q);
SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
if (image->alpha_trait != UndefinedPixelTrait)
SetPixelAlpha(image,ScaleCharToQuantum(*p++),q);
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
}
else
{
/*
Create colormap.
*/
if (number_colormaps == 0)
map_length=256;
if (AcquireImageColormap(image,map_length,exception) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
p=colormap;
if (number_colormaps == 1)
for (i=0; i < (ssize_t) image->colors; i++)
{
/*
Pseudocolor.
*/
image->colormap[i].red=(MagickRealType)
ScaleCharToQuantum((unsigned char) i);
image->colormap[i].green=(MagickRealType)
ScaleCharToQuantum((unsigned char) i);
image->colormap[i].blue=(MagickRealType)
ScaleCharToQuantum((unsigned char) i);
}
else
if (number_colormaps > 1)
for (i=0; i < (ssize_t) image->colors; i++)
{
image->colormap[i].red=(MagickRealType)
ScaleCharToQuantum(*p);
image->colormap[i].green=(MagickRealType)
ScaleCharToQuantum(*(p+map_length));
image->colormap[i].blue=(MagickRealType)
ScaleCharToQuantum(*(p+map_length*2));
p++;
}
p=pixels;
if (image->alpha_trait == UndefinedPixelTrait)
{
/*
Convert raster image to PseudoClass pixel packets.
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelIndex(image,*p++,q);
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
y,image->rows);
if (status == MagickFalse)
break;
}
}
(void) SyncImage(image,exception);
}
else
{
/*
Image has a matte channel-- promote to DirectClass.
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
if (IsValidColormapIndex(image,(ssize_t) *p++,&index,
exception) == MagickFalse)
break;
SetPixelRed(image,ClampToQuantum(image->colormap[(ssize_t)
index].red),q);
if (IsValidColormapIndex(image,(ssize_t) *p++,&index,
exception) == MagickFalse)
break;
SetPixelGreen(image,ClampToQuantum(image->colormap[(ssize_t)
index].green),q);
if (IsValidColormapIndex(image,(ssize_t) *p++,&index,
exception) == MagickFalse)
break;
SetPixelBlue(image,ClampToQuantum(image->colormap[(ssize_t)
index].blue),q);
SetPixelAlpha(image,ScaleCharToQuantum(*p++),q);
q+=GetPixelChannels(image);
}
if (x < (ssize_t) image->columns)
break;
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
y,image->rows);
if (status == MagickFalse)
break;
}
}
image->colormap=(PixelInfo *) RelinquishMagickMemory(
image->colormap);
image->storage_class=DirectClass;
image->colors=0;
}
}
if (number_colormaps != 0)
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
pixel_info=RelinquishVirtualMemory(pixel_info);
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
(void) ReadBlobByte(image);
count=ReadBlob(image,2,(unsigned char *) magick);
if ((count != 0) && (memcmp(magick,"\122\314",2) == 0))
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image,exception);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
} while ((count != 0) && (memcmp(magick,"\122\314",2) == 0));
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
|
CWE-125
| 181,980 | 3,360 |
166192220511748395433728525681169686660
| null | null | null |
ImageMagick
|
e14fd0a2801f73bdc123baf4fbab97dec55919eb
| 1 |
static MagickBooleanType ReadPSDChannelPixels(Image *image,
const size_t channels,const size_t row,const ssize_t type,
const unsigned char *pixels,ExceptionInfo *exception)
{
Quantum
pixel;
register const unsigned char
*p;
register Quantum
*q;
register ssize_t
x;
size_t
packet_size;
unsigned short
nibble;
p=pixels;
q=GetAuthenticPixels(image,0,row,image->columns,1,exception);
if (q == (Quantum *) NULL)
return MagickFalse;
packet_size=GetPSDPacketSize(image);
for (x=0; x < (ssize_t) image->columns; x++)
{
if (packet_size == 1)
pixel=ScaleCharToQuantum(*p++);
else
{
p=PushShortPixel(MSBEndian,p,&nibble);
pixel=ScaleShortToQuantum(nibble);
}
switch (type)
{
case -1:
{
SetPixelAlpha(image,pixel,q);
break;
}
case -2:
case 0:
{
SetPixelRed(image,pixel,q);
if (channels == 1 || type == -2)
SetPixelGray(image,pixel,q);
if (image->storage_class == PseudoClass)
{
if (packet_size == 1)
SetPixelIndex(image,ScaleQuantumToChar(pixel),q);
else
SetPixelIndex(image,ScaleQuantumToShort(pixel),q);
SetPixelViaPixelInfo(image,image->colormap+(ssize_t)
ConstrainColormapIndex(image,GetPixelIndex(image,q),exception),q);
if (image->depth == 1)
{
ssize_t
bit,
number_bits;
number_bits=image->columns-x;
if (number_bits > 8)
number_bits=8;
for (bit=0; bit < number_bits; bit++)
{
SetPixelIndex(image,(((unsigned char) pixel) &
(0x01 << (7-bit))) != 0 ? 0 : 255,q);
SetPixelViaPixelInfo(image,image->colormap+(ssize_t)
GetPixelIndex(image,q),q);
q+=GetPixelChannels(image);
x++;
}
x--;
continue;
}
}
break;
}
case 1:
{
if (image->storage_class == PseudoClass)
SetPixelAlpha(image,pixel,q);
else
SetPixelGreen(image,pixel,q);
break;
}
case 2:
{
if (image->storage_class == PseudoClass)
SetPixelAlpha(image,pixel,q);
else
SetPixelBlue(image,pixel,q);
break;
}
case 3:
{
if (image->colorspace == CMYKColorspace)
SetPixelBlack(image,pixel,q);
else
if (image->alpha_trait != UndefinedPixelTrait)
SetPixelAlpha(image,pixel,q);
break;
}
case 4:
{
if ((IssRGBCompatibleColorspace(image->colorspace) != MagickFalse) &&
(channels > 3))
break;
if (image->alpha_trait != UndefinedPixelTrait)
SetPixelAlpha(image,pixel,q);
break;
}
default:
break;
}
q+=GetPixelChannels(image);
}
return(SyncAuthenticPixels(image,exception));
}
|
CWE-125
| 181,981 | 3,361 |
170558121983130247378542011934171671151
| null | null | null |
nefarious2
|
f50a84bad996d438e7b31b9e74c32a41e43f8be5
| 1 |
int m_authenticate(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
struct Client* acptr;
int first = 0;
char realhost[HOSTLEN + 3];
char *hoststr = (cli_sockhost(cptr) ? cli_sockhost(cptr) : cli_sock_ip(cptr));
if (!CapActive(cptr, CAP_SASL))
return 0;
if (parc < 2) /* have enough parameters? */
return need_more_params(cptr, "AUTHENTICATE");
if (strlen(parv[1]) > 400)
return send_reply(cptr, ERR_SASLTOOLONG);
if (IsSASLComplete(cptr))
return send_reply(cptr, ERR_SASLALREADY);
/* Look up the target server */
if (!(acptr = cli_saslagent(cptr))) {
if (strcmp(feature_str(FEAT_SASL_SERVER), "*"))
acptr = find_match_server((char *)feature_str(FEAT_SASL_SERVER));
else
acptr = NULL;
}
if (!acptr && strcmp(feature_str(FEAT_SASL_SERVER), "*"))
return send_reply(cptr, ERR_SASLFAIL, ": service unavailable");
/* If it's to us, do nothing; otherwise, forward the query */
if (acptr && IsMe(acptr))
return 0;
/* Generate an SASL session cookie if not already generated */
if (!cli_saslcookie(cptr)) {
do {
cli_saslcookie(cptr) = ircrandom() & 0x7fffffff;
} while (!cli_saslcookie(cptr));
first = 1;
}
if (strchr(hoststr, ':') != NULL)
ircd_snprintf(0, realhost, sizeof(realhost), "[%s]", hoststr);
else
ircd_strncpy(realhost, hoststr, sizeof(realhost));
if (acptr) {
if (first) {
if (!EmptyString(cli_sslclifp(cptr)))
sendcmdto_one(&me, CMD_SASL, acptr, "%C %C!%u.%u S %s :%s", acptr, &me,
cli_fd(cptr), cli_saslcookie(cptr),
parv[1], cli_sslclifp(cptr));
else
sendcmdto_one(&me, CMD_SASL, acptr, "%C %C!%u.%u S :%s", acptr, &me,
cli_fd(cptr), cli_saslcookie(cptr), parv[1]);
if (feature_bool(FEAT_SASL_SENDHOST))
sendcmdto_one(&me, CMD_SASL, acptr, "%C %C!%u.%u H :%s@%s:%s", acptr, &me,
cli_fd(cptr), cli_saslcookie(cptr), cli_username(cptr),
realhost, cli_sock_ip(cptr));
} else {
sendcmdto_one(&me, CMD_SASL, acptr, "%C %C!%u.%u C :%s", acptr, &me,
cli_fd(cptr), cli_saslcookie(cptr), parv[1]);
}
} else {
if (first) {
if (!EmptyString(cli_sslclifp(cptr)))
sendcmdto_serv_butone(&me, CMD_SASL, cptr, "* %C!%u.%u S %s :%s", &me,
cli_fd(cptr), cli_saslcookie(cptr),
parv[1], cli_sslclifp(cptr));
else
sendcmdto_serv_butone(&me, CMD_SASL, cptr, "* %C!%u.%u S :%s", &me,
cli_fd(cptr), cli_saslcookie(cptr), parv[1]);
if (feature_bool(FEAT_SASL_SENDHOST))
sendcmdto_serv_butone(&me, CMD_SASL, cptr, "* %C!%u.%u H :%s@%s:%s", &me,
cli_fd(cptr), cli_saslcookie(cptr), cli_username(cptr),
realhost, cli_sock_ip(cptr));
} else {
sendcmdto_serv_butone(&me, CMD_SASL, cptr, "* %C!%u.%u C :%s", &me,
cli_fd(cptr), cli_saslcookie(cptr), parv[1]);
}
}
if (!t_active(&cli_sasltimeout(cptr)))
timer_add(timer_init(&cli_sasltimeout(cptr)), sasl_timeout_callback, (void*) cptr,
TT_RELATIVE, feature_int(FEAT_SASL_TIMEOUT));
return 0;
}
|
CWE-287
| 181,985 | 3,364 |
270299999591578312110784722898303892480
| null | null | null |
unrealircd
|
f473e355e1dc422c4f019dbf86bc50ba1a34a766
| 1 |
CMD_FUNC(m_authenticate)
{
aClient *agent_p = NULL;
/* Failing to use CAP REQ for sasl is a protocol violation. */
if (!SASL_SERVER || !MyConnect(sptr) || BadPtr(parv[1]) || !CHECKPROTO(sptr, PROTO_SASL))
return 0;
if (sptr->local->sasl_complete)
{
sendto_one(sptr, err_str(ERR_SASLALREADY), me.name, BadPtr(sptr->name) ? "*" : sptr->name);
return 0;
}
if (strlen(parv[1]) > 400)
{
sendto_one(sptr, err_str(ERR_SASLTOOLONG), me.name, BadPtr(sptr->name) ? "*" : sptr->name);
return 0;
}
if (*sptr->local->sasl_agent)
agent_p = find_client(sptr->local->sasl_agent, NULL);
if (agent_p == NULL)
{
char *addr = BadPtr(sptr->ip) ? "0" : sptr->ip;
char *certfp = moddata_client_get(sptr, "certfp");
sendto_server(NULL, 0, 0, ":%s SASL %s %s H %s %s",
me.name, SASL_SERVER, encode_puid(sptr), addr, addr);
if (certfp)
sendto_server(NULL, 0, 0, ":%s SASL %s %s S %s %s",
me.name, SASL_SERVER, encode_puid(sptr), parv[1], certfp);
else
sendto_server(NULL, 0, 0, ":%s SASL %s %s S %s",
me.name, SASL_SERVER, encode_puid(sptr), parv[1]);
}
else
sendto_server(NULL, 0, 0, ":%s SASL %s %s C %s",
me.name, AGENT_SID(agent_p), encode_puid(sptr), parv[1]);
sptr->local->sasl_out++;
return 0;
}
|
CWE-287
| 181,986 | 3,365 |
190787633910337687915201649304880552658
| null | null | null |
ImageMagick
|
7afcf9f71043df15508e46f079387bd4689a738d
| 1 |
static Image *ReadSGIImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
Image
*image;
MagickBooleanType
status;
MagickSizeType
number_pixels;
MemoryInfo
*pixel_info;
register Quantum
*q;
register ssize_t
i,
x;
register unsigned char
*p;
SGIInfo
iris_info;
size_t
bytes_per_pixel,
quantum;
ssize_t
count,
y,
z;
unsigned char
*pixels;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Read SGI raster header.
*/
iris_info.magic=ReadBlobMSBShort(image);
do
{
/*
Verify SGI identifier.
*/
if (iris_info.magic != 0x01DA)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
iris_info.storage=(unsigned char) ReadBlobByte(image);
switch (iris_info.storage)
{
case 0x00: image->compression=NoCompression; break;
case 0x01: image->compression=RLECompression; break;
default:
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
iris_info.bytes_per_pixel=(unsigned char) ReadBlobByte(image);
if ((iris_info.bytes_per_pixel == 0) || (iris_info.bytes_per_pixel > 2))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
iris_info.dimension=ReadBlobMSBShort(image);
iris_info.columns=ReadBlobMSBShort(image);
iris_info.rows=ReadBlobMSBShort(image);
iris_info.depth=ReadBlobMSBShort(image);
if ((iris_info.depth == 0) || (iris_info.depth > 4))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
iris_info.minimum_value=ReadBlobMSBLong(image);
iris_info.maximum_value=ReadBlobMSBLong(image);
iris_info.sans=ReadBlobMSBLong(image);
(void) ReadBlob(image,sizeof(iris_info.name),(unsigned char *)
iris_info.name);
iris_info.name[sizeof(iris_info.name)-1]='\0';
if (*iris_info.name != '\0')
(void) SetImageProperty(image,"label",iris_info.name,exception);
iris_info.pixel_format=ReadBlobMSBLong(image);
if (iris_info.pixel_format != 0)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
count=ReadBlob(image,sizeof(iris_info.filler),iris_info.filler);
(void) count;
image->columns=iris_info.columns;
image->rows=iris_info.rows;
image->depth=(size_t) MagickMin(iris_info.depth,MAGICKCORE_QUANTUM_DEPTH);
if (iris_info.pixel_format == 0)
image->depth=(size_t) MagickMin((size_t) 8*
iris_info.bytes_per_pixel,MAGICKCORE_QUANTUM_DEPTH);
if (iris_info.depth < 3)
{
image->storage_class=PseudoClass;
image->colors=iris_info.bytes_per_pixel > 1 ? 65535 : 256;
}
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
/*
Allocate SGI pixels.
*/
bytes_per_pixel=(size_t) iris_info.bytes_per_pixel;
number_pixels=(MagickSizeType) iris_info.columns*iris_info.rows;
if ((4*bytes_per_pixel*number_pixels) != ((MagickSizeType) (size_t)
(4*bytes_per_pixel*number_pixels)))
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
pixel_info=AcquireVirtualMemory(iris_info.columns,iris_info.rows*4*
bytes_per_pixel*sizeof(*pixels));
if (pixel_info == (MemoryInfo *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
if ((int) iris_info.storage != 0x01)
{
unsigned char
*scanline;
/*
Read standard image format.
*/
scanline=(unsigned char *) AcquireQuantumMemory(iris_info.columns,
bytes_per_pixel*sizeof(*scanline));
if (scanline == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
for (z=0; z < (ssize_t) iris_info.depth; z++)
{
p=pixels+bytes_per_pixel*z;
for (y=0; y < (ssize_t) iris_info.rows; y++)
{
count=ReadBlob(image,bytes_per_pixel*iris_info.columns,scanline);
if (EOFBlob(image) != MagickFalse)
break;
if (bytes_per_pixel == 2)
for (x=0; x < (ssize_t) iris_info.columns; x++)
{
*p=scanline[2*x];
*(p+1)=scanline[2*x+1];
p+=8;
}
else
for (x=0; x < (ssize_t) iris_info.columns; x++)
{
*p=scanline[x];
p+=4;
}
}
}
scanline=(unsigned char *) RelinquishMagickMemory(scanline);
}
else
{
MemoryInfo
*packet_info;
size_t
*runlength;
ssize_t
offset,
*offsets;
unsigned char
*packets;
unsigned int
data_order;
/*
Read runlength-encoded image format.
*/
offsets=(ssize_t *) AcquireQuantumMemory((size_t) iris_info.rows,
iris_info.depth*sizeof(*offsets));
runlength=(size_t *) AcquireQuantumMemory(iris_info.rows,
iris_info.depth*sizeof(*runlength));
packet_info=AcquireVirtualMemory((size_t) iris_info.columns+10UL,4UL*
sizeof(*packets));
if ((offsets == (ssize_t *) NULL) ||
(runlength == (size_t *) NULL) ||
(packet_info == (MemoryInfo *) NULL))
{
if (offsets == (ssize_t *) NULL)
offsets=(ssize_t *) RelinquishMagickMemory(offsets);
if (runlength == (size_t *) NULL)
runlength=(size_t *) RelinquishMagickMemory(runlength);
if (packet_info == (MemoryInfo *) NULL)
packet_info=RelinquishVirtualMemory(packet_info);
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
packets=(unsigned char *) GetVirtualMemoryBlob(packet_info);
for (i=0; i < (ssize_t) (iris_info.rows*iris_info.depth); i++)
offsets[i]=ReadBlobMSBSignedLong(image);
for (i=0; i < (ssize_t) (iris_info.rows*iris_info.depth); i++)
{
runlength[i]=ReadBlobMSBLong(image);
if (runlength[i] > (4*(size_t) iris_info.columns+10))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
/*
Check data order.
*/
offset=0;
data_order=0;
for (y=0; ((y < (ssize_t) iris_info.rows) && (data_order == 0)); y++)
for (z=0; ((z < (ssize_t) iris_info.depth) && (data_order == 0)); z++)
{
if (offsets[y+z*iris_info.rows] < offset)
data_order=1;
offset=offsets[y+z*iris_info.rows];
}
offset=(ssize_t) TellBlob(image);
if (data_order == 1)
{
for (z=0; z < (ssize_t) iris_info.depth; z++)
{
p=pixels;
for (y=0; y < (ssize_t) iris_info.rows; y++)
{
if (offset != offsets[y+z*iris_info.rows])
{
offset=offsets[y+z*iris_info.rows];
offset=(ssize_t) SeekBlob(image,(ssize_t) offset,SEEK_SET);
}
count=ReadBlob(image,(size_t) runlength[y+z*iris_info.rows],
packets);
if (EOFBlob(image) != MagickFalse)
break;
offset+=(ssize_t) runlength[y+z*iris_info.rows];
status=SGIDecode(bytes_per_pixel,(ssize_t)
(runlength[y+z*iris_info.rows]/bytes_per_pixel),packets,
1L*iris_info.columns,p+bytes_per_pixel*z);
if (status == MagickFalse)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
p+=(iris_info.columns*4*bytes_per_pixel);
}
}
}
else
{
MagickOffsetType
position;
position=TellBlob(image);
p=pixels;
for (y=0; y < (ssize_t) iris_info.rows; y++)
{
for (z=0; z < (ssize_t) iris_info.depth; z++)
{
if (offset != offsets[y+z*iris_info.rows])
{
offset=offsets[y+z*iris_info.rows];
offset=(ssize_t) SeekBlob(image,(ssize_t) offset,SEEK_SET);
}
count=ReadBlob(image,(size_t) runlength[y+z*iris_info.rows],
packets);
if (EOFBlob(image) != MagickFalse)
break;
offset+=(ssize_t) runlength[y+z*iris_info.rows];
status=SGIDecode(bytes_per_pixel,(ssize_t)
(runlength[y+z*iris_info.rows]/bytes_per_pixel),packets,
1L*iris_info.columns,p+bytes_per_pixel*z);
if (status == MagickFalse)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
p+=(iris_info.columns*4*bytes_per_pixel);
}
offset=(ssize_t) SeekBlob(image,position,SEEK_SET);
}
packet_info=RelinquishVirtualMemory(packet_info);
runlength=(size_t *) RelinquishMagickMemory(runlength);
offsets=(ssize_t *) RelinquishMagickMemory(offsets);
}
/*
Initialize image structure.
*/
image->alpha_trait=iris_info.depth == 4 ? BlendPixelTrait :
UndefinedPixelTrait;
image->columns=iris_info.columns;
image->rows=iris_info.rows;
/*
Convert SGI raster image to pixel packets.
*/
if (image->storage_class == DirectClass)
{
/*
Convert SGI image to DirectClass pixel packets.
*/
if (bytes_per_pixel == 2)
{
for (y=0; y < (ssize_t) image->rows; y++)
{
p=pixels+(image->rows-y-1)*8*image->columns;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelRed(image,ScaleShortToQuantum((unsigned short)
((*(p+0) << 8) | (*(p+1)))),q);
SetPixelGreen(image,ScaleShortToQuantum((unsigned short)
((*(p+2) << 8) | (*(p+3)))),q);
SetPixelBlue(image,ScaleShortToQuantum((unsigned short)
((*(p+4) << 8) | (*(p+5)))),q);
SetPixelAlpha(image,OpaqueAlpha,q);
if (image->alpha_trait != UndefinedPixelTrait)
SetPixelAlpha(image,ScaleShortToQuantum((unsigned short)
((*(p+6) << 8) | (*(p+7)))),q);
p+=8;
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
y,image->rows);
if (status == MagickFalse)
break;
}
}
}
else
for (y=0; y < (ssize_t) image->rows; y++)
{
p=pixels+(image->rows-y-1)*4*image->columns;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelRed(image,ScaleCharToQuantum(*p),q);
SetPixelGreen(image,ScaleCharToQuantum(*(p+1)),q);
SetPixelBlue(image,ScaleCharToQuantum(*(p+2)),q);
SetPixelAlpha(image,OpaqueAlpha,q);
if (image->alpha_trait != UndefinedPixelTrait)
SetPixelAlpha(image,ScaleCharToQuantum(*(p+3)),q);
p+=4;
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
}
else
{
/*
Create grayscale map.
*/
if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
/*
Convert SGI image to PseudoClass pixel packets.
*/
if (bytes_per_pixel == 2)
{
for (y=0; y < (ssize_t) image->rows; y++)
{
p=pixels+(image->rows-y-1)*8*image->columns;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
quantum=(*p << 8);
quantum|=(*(p+1));
SetPixelIndex(image,(Quantum) quantum,q);
p+=8;
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
y,image->rows);
if (status == MagickFalse)
break;
}
}
}
else
for (y=0; y < (ssize_t) image->rows; y++)
{
p=pixels+(image->rows-y-1)*4*image->columns;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelIndex(image,*p,q);
p+=4;
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
(void) SyncImage(image,exception);
}
pixel_info=RelinquishVirtualMemory(pixel_info);
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
iris_info.magic=ReadBlobMSBShort(image);
if (iris_info.magic == 0x01DA)
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image,exception);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
} while (iris_info.magic == 0x01DA);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
|
CWE-125
| 181,987 | 3,366 |
292399848198788221834368863827150907735
| null | null | null |
libgd
|
4859d69e07504d4b0a4bdf9bcb4d9e3769ca35ae
| 1 |
static int dynamicGetbuf(gdIOCtxPtr ctx, void *buf, int len)
{
int rlen, remain;
dpIOCtxPtr dctx;
dynamicPtr *dp;
dctx = (dpIOCtxPtr) ctx;
dp = dctx->dp;
remain = dp->logicalSize - dp->pos;
if(remain >= len) {
rlen = len;
} else {
if(remain <= 0) {
/* 2.0.34: EOF is incorrect. We use 0 for
* errors and EOF, just like fileGetbuf,
* which is a simple fread() wrapper.
* TBB. Original bug report: Daniel Cowgill. */
return 0; /* NOT EOF */
}
rlen = remain;
}
memcpy(buf, (void *) ((char *)dp->data + dp->pos), rlen);
dp->pos += rlen;
return rlen;
}
|
CWE-125
| 181,993 | 3,372 |
113302243464312722986796541459307594371
| null | null | null |
libgd
|
fb0e0cce0b9f25389ab56604c3547351617e1415
| 1 |
int read_image_tga( gdIOCtx *ctx, oTga *tga )
{
int pixel_block_size = (tga->bits / 8);
int image_block_size = (tga->width * tga->height) * pixel_block_size;
int* decompression_buffer = NULL;
unsigned char* conversion_buffer = NULL;
int buffer_caret = 0;
int bitmap_caret = 0;
int i = 0;
int encoded_pixels;
int rle_size;
if(overflow2(tga->width, tga->height)) {
return -1;
}
if(overflow2(tga->width * tga->height, pixel_block_size)) {
return -1;
}
if(overflow2(image_block_size, sizeof(int))) {
return -1;
}
/*! \todo Add more image type support.
*/
if (tga->imagetype != TGA_TYPE_RGB && tga->imagetype != TGA_TYPE_RGB_RLE)
return -1;
/*! \brief Allocate memmory for image block
* Allocate a chunk of memory for the image block to be passed into.
*/
tga->bitmap = (int *) gdMalloc(image_block_size * sizeof(int));
if (tga->bitmap == NULL)
return -1;
switch (tga->imagetype) {
case TGA_TYPE_RGB:
/*! \brief Read in uncompressed RGB TGA
* Chunk load the pixel data from an uncompressed RGB type TGA.
*/
conversion_buffer = (unsigned char *) gdMalloc(image_block_size * sizeof(unsigned char));
if (conversion_buffer == NULL) {
return -1;
}
if (gdGetBuf(conversion_buffer, image_block_size, ctx) != image_block_size) {
gd_error("gd-tga: premature end of image data\n");
gdFree(conversion_buffer);
return -1;
}
while (buffer_caret < image_block_size) {
tga->bitmap[buffer_caret] = (int) conversion_buffer[buffer_caret];
buffer_caret++;
}
gdFree(conversion_buffer);
break;
case TGA_TYPE_RGB_RLE:
/*! \brief Read in RLE compressed RGB TGA
* Chunk load the pixel data from an RLE compressed RGB type TGA.
*/
decompression_buffer = (int*) gdMalloc(image_block_size * sizeof(int));
if (decompression_buffer == NULL) {
return -1;
}
conversion_buffer = (unsigned char *) gdMalloc(image_block_size * sizeof(unsigned char));
if (conversion_buffer == NULL) {
gd_error("gd-tga: premature end of image data\n");
gdFree( decompression_buffer );
return -1;
}
rle_size = gdGetBuf(conversion_buffer, image_block_size, ctx);
if (rle_size <= 0) {
gdFree(conversion_buffer);
gdFree(decompression_buffer);
return -1;
}
buffer_caret = 0;
while( buffer_caret < rle_size) {
decompression_buffer[buffer_caret] = (int)conversion_buffer[buffer_caret];
buffer_caret++;
}
buffer_caret = 0;
while( bitmap_caret < image_block_size ) {
if ((decompression_buffer[buffer_caret] & TGA_RLE_FLAG) == TGA_RLE_FLAG) {
encoded_pixels = ( ( decompression_buffer[ buffer_caret ] & ~TGA_RLE_FLAG ) + 1 );
buffer_caret++;
if ((bitmap_caret + (encoded_pixels * pixel_block_size)) > image_block_size) {
gdFree( decompression_buffer );
gdFree( conversion_buffer );
return -1;
}
for (i = 0; i < encoded_pixels; i++) {
memcpy(tga->bitmap + bitmap_caret, decompression_buffer + buffer_caret, pixel_block_size * sizeof(int));
bitmap_caret += pixel_block_size;
}
buffer_caret += pixel_block_size;
} else {
encoded_pixels = decompression_buffer[ buffer_caret ] + 1;
buffer_caret++;
if ((bitmap_caret + (encoded_pixels * pixel_block_size)) > image_block_size) {
gdFree( decompression_buffer );
gdFree( conversion_buffer );
return -1;
}
memcpy(tga->bitmap + bitmap_caret, decompression_buffer + buffer_caret, encoded_pixels * pixel_block_size * sizeof(int));
bitmap_caret += (encoded_pixels * pixel_block_size);
buffer_caret += (encoded_pixels * pixel_block_size);
}
}
gdFree( decompression_buffer );
gdFree( conversion_buffer );
break;
}
return 1;
}
|
CWE-125
| 181,995 | 3,374 |
135235955196351175392499118290163466726
| null | null | null |
ImageMagick
|
4cc6ec8a4197d4c008577127736bf7985d632323
| 1 |
static MagickBooleanType WriteBMPImage(const ImageInfo *image_info,Image *image,
ExceptionInfo *exception)
{
BMPInfo
bmp_info;
const char
*option;
const StringInfo
*profile;
MagickBooleanType
have_color_info,
status;
MagickOffsetType
scene;
MemoryInfo
*pixel_info;
register const Quantum
*p;
register ssize_t
i,
x;
register unsigned char
*q;
size_t
bytes_per_line,
type;
ssize_t
y;
unsigned char
*bmp_data,
*pixels;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
if (status == MagickFalse)
return(status);
type=4;
if (LocaleCompare(image_info->magick,"BMP2") == 0)
type=2;
else
if (LocaleCompare(image_info->magick,"BMP3") == 0)
type=3;
option=GetImageOption(image_info,"bmp:format");
if (option != (char *) NULL)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Format=%s",option);
if (LocaleCompare(option,"bmp2") == 0)
type=2;
if (LocaleCompare(option,"bmp3") == 0)
type=3;
if (LocaleCompare(option,"bmp4") == 0)
type=4;
}
scene=0;
do
{
/*
Initialize BMP raster file header.
*/
(void) TransformImageColorspace(image,sRGBColorspace,exception);
(void) ResetMagickMemory(&bmp_info,0,sizeof(bmp_info));
bmp_info.file_size=14+12;
if (type > 2)
bmp_info.file_size+=28;
bmp_info.offset_bits=bmp_info.file_size;
bmp_info.compression=BI_RGB;
if ((image->storage_class == PseudoClass) && (image->colors > 256))
(void) SetImageStorageClass(image,DirectClass,exception);
if (image->storage_class != DirectClass)
{
/*
Colormapped BMP raster.
*/
bmp_info.bits_per_pixel=8;
if (image->colors <= 2)
bmp_info.bits_per_pixel=1;
else
if (image->colors <= 16)
bmp_info.bits_per_pixel=4;
else
if (image->colors <= 256)
bmp_info.bits_per_pixel=8;
if (image_info->compression == RLECompression)
bmp_info.bits_per_pixel=8;
bmp_info.number_colors=1U << bmp_info.bits_per_pixel;
if (image->alpha_trait != UndefinedPixelTrait)
(void) SetImageStorageClass(image,DirectClass,exception);
else
if ((size_t) bmp_info.number_colors < image->colors)
(void) SetImageStorageClass(image,DirectClass,exception);
else
{
bmp_info.file_size+=3*(1UL << bmp_info.bits_per_pixel);
bmp_info.offset_bits+=3*(1UL << bmp_info.bits_per_pixel);
if (type > 2)
{
bmp_info.file_size+=(1UL << bmp_info.bits_per_pixel);
bmp_info.offset_bits+=(1UL << bmp_info.bits_per_pixel);
}
}
}
if (image->storage_class == DirectClass)
{
/*
Full color BMP raster.
*/
bmp_info.number_colors=0;
bmp_info.bits_per_pixel=(unsigned short)
((type > 3) && (image->alpha_trait != UndefinedPixelTrait) ? 32 : 24);
bmp_info.compression=(unsigned int) ((type > 3) &&
(image->alpha_trait != UndefinedPixelTrait) ? BI_BITFIELDS : BI_RGB);
if ((type == 3) && (image->alpha_trait != UndefinedPixelTrait))
{
option=GetImageOption(image_info,"bmp3:alpha");
if (IsStringTrue(option))
bmp_info.bits_per_pixel=32;
}
}
bytes_per_line=4*((image->columns*bmp_info.bits_per_pixel+31)/32);
bmp_info.ba_offset=0;
profile=GetImageProfile(image,"icc");
have_color_info=(image->rendering_intent != UndefinedIntent) ||
(profile != (StringInfo *) NULL) || (image->gamma != 0.0) ? MagickTrue :
MagickFalse;
if (type == 2)
bmp_info.size=12;
else
if ((type == 3) || ((image->alpha_trait == UndefinedPixelTrait) &&
(have_color_info == MagickFalse)))
{
type=3;
bmp_info.size=40;
}
else
{
int
extra_size;
bmp_info.size=108;
extra_size=68;
if ((image->rendering_intent != UndefinedIntent) ||
(profile != (StringInfo *) NULL))
{
bmp_info.size=124;
extra_size+=16;
}
bmp_info.file_size+=extra_size;
bmp_info.offset_bits+=extra_size;
}
bmp_info.width=(ssize_t) image->columns;
bmp_info.height=(ssize_t) image->rows;
bmp_info.planes=1;
bmp_info.image_size=(unsigned int) (bytes_per_line*image->rows);
bmp_info.file_size+=bmp_info.image_size;
bmp_info.x_pixels=75*39;
bmp_info.y_pixels=75*39;
switch (image->units)
{
case UndefinedResolution:
case PixelsPerInchResolution:
{
bmp_info.x_pixels=(unsigned int) (100.0*image->resolution.x/2.54);
bmp_info.y_pixels=(unsigned int) (100.0*image->resolution.y/2.54);
break;
}
case PixelsPerCentimeterResolution:
{
bmp_info.x_pixels=(unsigned int) (100.0*image->resolution.x);
bmp_info.y_pixels=(unsigned int) (100.0*image->resolution.y);
break;
}
}
bmp_info.colors_important=bmp_info.number_colors;
/*
Convert MIFF to BMP raster pixels.
*/
pixel_info=AcquireVirtualMemory((size_t) bmp_info.image_size,
sizeof(*pixels));
if (pixel_info == (MemoryInfo *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
(void) ResetMagickMemory(pixels,0,(size_t) bmp_info.image_size);
switch (bmp_info.bits_per_pixel)
{
case 1:
{
size_t
bit,
byte;
/*
Convert PseudoClass image to a BMP monochrome image.
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
ssize_t
offset;
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
q=pixels+(image->rows-y-1)*bytes_per_line;
bit=0;
byte=0;
for (x=0; x < (ssize_t) image->columns; x++)
{
byte<<=1;
byte|=GetPixelIndex(image,p) != 0 ? 0x01 : 0x00;
bit++;
if (bit == 8)
{
*q++=(unsigned char) byte;
bit=0;
byte=0;
}
p+=GetPixelChannels(image);
}
if (bit != 0)
{
*q++=(unsigned char) (byte << (8-bit));
x++;
}
offset=(ssize_t) (image->columns+7)/8;
for (x=offset; x < (ssize_t) bytes_per_line; x++)
*q++=0x00;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
case 4:
{
size_t
byte,
nibble;
ssize_t
offset;
/*
Convert PseudoClass image to a BMP monochrome image.
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
q=pixels+(image->rows-y-1)*bytes_per_line;
nibble=0;
byte=0;
for (x=0; x < (ssize_t) image->columns; x++)
{
byte<<=4;
byte|=((size_t) GetPixelIndex(image,p) & 0x0f);
nibble++;
if (nibble == 2)
{
*q++=(unsigned char) byte;
nibble=0;
byte=0;
}
p+=GetPixelChannels(image);
}
if (nibble != 0)
{
*q++=(unsigned char) (byte << 4);
x++;
}
offset=(ssize_t) (image->columns+1)/2;
for (x=offset; x < (ssize_t) bytes_per_line; x++)
*q++=0x00;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
case 8:
{
/*
Convert PseudoClass packet to BMP pixel.
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
q=pixels+(image->rows-y-1)*bytes_per_line;
for (x=0; x < (ssize_t) image->columns; x++)
{
*q++=(unsigned char) GetPixelIndex(image,p);
p+=GetPixelChannels(image);
}
for ( ; x < (ssize_t) bytes_per_line; x++)
*q++=0x00;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
case 24:
{
/*
Convert DirectClass packet to BMP BGR888.
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
q=pixels+(image->rows-y-1)*bytes_per_line;
for (x=0; x < (ssize_t) image->columns; x++)
{
*q++=ScaleQuantumToChar(GetPixelBlue(image,p));
*q++=ScaleQuantumToChar(GetPixelGreen(image,p));
*q++=ScaleQuantumToChar(GetPixelRed(image,p));
p+=GetPixelChannels(image);
}
for (x=3L*(ssize_t) image->columns; x < (ssize_t) bytes_per_line; x++)
*q++=0x00;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
case 32:
{
/*
Convert DirectClass packet to ARGB8888 pixel.
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
q=pixels+(image->rows-y-1)*bytes_per_line;
for (x=0; x < (ssize_t) image->columns; x++)
{
*q++=ScaleQuantumToChar(GetPixelBlue(image,p));
*q++=ScaleQuantumToChar(GetPixelGreen(image,p));
*q++=ScaleQuantumToChar(GetPixelRed(image,p));
*q++=ScaleQuantumToChar(GetPixelAlpha(image,p));
p+=GetPixelChannels(image);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
}
if ((type > 2) && (bmp_info.bits_per_pixel == 8))
if (image_info->compression != NoCompression)
{
MemoryInfo
*rle_info;
/*
Convert run-length encoded raster pixels.
*/
rle_info=AcquireVirtualMemory((size_t) (2*(bytes_per_line+2)+2),
(image->rows+2)*sizeof(*pixels));
if (rle_info == (MemoryInfo *) NULL)
{
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
}
bmp_data=(unsigned char *) GetVirtualMemoryBlob(rle_info);
bmp_info.file_size-=bmp_info.image_size;
bmp_info.image_size=(unsigned int) EncodeImage(image,bytes_per_line,
pixels,bmp_data);
bmp_info.file_size+=bmp_info.image_size;
pixel_info=RelinquishVirtualMemory(pixel_info);
pixel_info=rle_info;
pixels=bmp_data;
bmp_info.compression=BI_RLE8;
}
/*
Write BMP for Windows, all versions, 14-byte header.
*/
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Writing BMP version %.20g datastream",(double) type);
if (image->storage_class == DirectClass)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Storage class=DirectClass");
else
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Storage class=PseudoClass");
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Image depth=%.20g",(double) image->depth);
if (image->alpha_trait != UndefinedPixelTrait)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Matte=True");
else
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Matte=MagickFalse");
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" BMP bits_per_pixel=%.20g",(double) bmp_info.bits_per_pixel);
switch ((int) bmp_info.compression)
{
case BI_RGB:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression=BI_RGB");
break;
}
case BI_RLE8:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression=BI_RLE8");
break;
}
case BI_BITFIELDS:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression=BI_BITFIELDS");
break;
}
default:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression=UNKNOWN (%lu)",bmp_info.compression);
break;
}
}
if (bmp_info.number_colors == 0)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Number_colors=unspecified");
else
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Number_colors=%lu",bmp_info.number_colors);
}
(void) WriteBlob(image,2,(unsigned char *) "BM");
(void) WriteBlobLSBLong(image,bmp_info.file_size);
(void) WriteBlobLSBLong(image,bmp_info.ba_offset); /* always 0 */
(void) WriteBlobLSBLong(image,bmp_info.offset_bits);
if (type == 2)
{
/*
Write 12-byte version 2 bitmap header.
*/
(void) WriteBlobLSBLong(image,bmp_info.size);
(void) WriteBlobLSBSignedShort(image,(signed short) bmp_info.width);
(void) WriteBlobLSBSignedShort(image,(signed short) bmp_info.height);
(void) WriteBlobLSBShort(image,bmp_info.planes);
(void) WriteBlobLSBShort(image,bmp_info.bits_per_pixel);
}
else
{
/*
Write 40-byte version 3+ bitmap header.
*/
(void) WriteBlobLSBLong(image,bmp_info.size);
(void) WriteBlobLSBSignedLong(image,(signed int) bmp_info.width);
(void) WriteBlobLSBSignedLong(image,(signed int) bmp_info.height);
(void) WriteBlobLSBShort(image,bmp_info.planes);
(void) WriteBlobLSBShort(image,bmp_info.bits_per_pixel);
(void) WriteBlobLSBLong(image,bmp_info.compression);
(void) WriteBlobLSBLong(image,bmp_info.image_size);
(void) WriteBlobLSBLong(image,bmp_info.x_pixels);
(void) WriteBlobLSBLong(image,bmp_info.y_pixels);
(void) WriteBlobLSBLong(image,bmp_info.number_colors);
(void) WriteBlobLSBLong(image,bmp_info.colors_important);
}
if ((type > 3) && ((image->alpha_trait != UndefinedPixelTrait) ||
(have_color_info != MagickFalse)))
{
/*
Write the rest of the 108-byte BMP Version 4 header.
*/
(void) WriteBlobLSBLong(image,0x00ff0000U); /* Red mask */
(void) WriteBlobLSBLong(image,0x0000ff00U); /* Green mask */
(void) WriteBlobLSBLong(image,0x000000ffU); /* Blue mask */
(void) WriteBlobLSBLong(image,0xff000000U); /* Alpha mask */
(void) WriteBlobLSBLong(image,0x73524742U); /* sRGB */
(void) WriteBlobLSBLong(image,(unsigned int)
(image->chromaticity.red_primary.x*0x40000000));
(void) WriteBlobLSBLong(image,(unsigned int)
(image->chromaticity.red_primary.y*0x40000000));
(void) WriteBlobLSBLong(image,(unsigned int)
((1.000f-(image->chromaticity.red_primary.x+
image->chromaticity.red_primary.y))*0x40000000));
(void) WriteBlobLSBLong(image,(unsigned int)
(image->chromaticity.green_primary.x*0x40000000));
(void) WriteBlobLSBLong(image,(unsigned int)
(image->chromaticity.green_primary.y*0x40000000));
(void) WriteBlobLSBLong(image,(unsigned int)
((1.000f-(image->chromaticity.green_primary.x+
image->chromaticity.green_primary.y))*0x40000000));
(void) WriteBlobLSBLong(image,(unsigned int)
(image->chromaticity.blue_primary.x*0x40000000));
(void) WriteBlobLSBLong(image,(unsigned int)
(image->chromaticity.blue_primary.y*0x40000000));
(void) WriteBlobLSBLong(image,(unsigned int)
((1.000f-(image->chromaticity.blue_primary.x+
image->chromaticity.blue_primary.y))*0x40000000));
(void) WriteBlobLSBLong(image,(unsigned int)
(bmp_info.gamma_scale.x*0x10000));
(void) WriteBlobLSBLong(image,(unsigned int)
(bmp_info.gamma_scale.y*0x10000));
(void) WriteBlobLSBLong(image,(unsigned int)
(bmp_info.gamma_scale.z*0x10000));
if ((image->rendering_intent != UndefinedIntent) ||
(profile != (StringInfo *) NULL))
{
ssize_t
intent;
switch ((int) image->rendering_intent)
{
case SaturationIntent:
{
intent=LCS_GM_BUSINESS;
break;
}
case RelativeIntent:
{
intent=LCS_GM_GRAPHICS;
break;
}
case PerceptualIntent:
{
intent=LCS_GM_IMAGES;
break;
}
case AbsoluteIntent:
{
intent=LCS_GM_ABS_COLORIMETRIC;
break;
}
default:
{
intent=0;
break;
}
}
(void) WriteBlobLSBLong(image,(unsigned int) intent);
(void) WriteBlobLSBLong(image,0x00); /* dummy profile data */
(void) WriteBlobLSBLong(image,0x00); /* dummy profile length */
(void) WriteBlobLSBLong(image,0x00); /* reserved */
}
}
if (image->storage_class == PseudoClass)
{
unsigned char
*bmp_colormap;
/*
Dump colormap to file.
*/
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Colormap: %.20g entries",(double) image->colors);
bmp_colormap=(unsigned char *) AcquireQuantumMemory((size_t) (1UL <<
bmp_info.bits_per_pixel),4*sizeof(*bmp_colormap));
if (bmp_colormap == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
q=bmp_colormap;
for (i=0; i < (ssize_t) MagickMin((ssize_t) image->colors,(ssize_t) bmp_info.number_colors); i++)
{
*q++=ScaleQuantumToChar(ClampToQuantum(image->colormap[i].blue));
*q++=ScaleQuantumToChar(ClampToQuantum(image->colormap[i].green));
*q++=ScaleQuantumToChar(ClampToQuantum(image->colormap[i].red));
if (type > 2)
*q++=(unsigned char) 0x0;
}
for ( ; i < (ssize_t) (1UL << bmp_info.bits_per_pixel); i++)
{
*q++=(unsigned char) 0x00;
*q++=(unsigned char) 0x00;
*q++=(unsigned char) 0x00;
if (type > 2)
*q++=(unsigned char) 0x00;
}
if (type <= 2)
(void) WriteBlob(image,(size_t) (3*(1L << bmp_info.bits_per_pixel)),
bmp_colormap);
else
(void) WriteBlob(image,(size_t) (4*(1L << bmp_info.bits_per_pixel)),
bmp_colormap);
bmp_colormap=(unsigned char *) RelinquishMagickMemory(bmp_colormap);
}
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Pixels: %lu bytes",bmp_info.image_size);
(void) WriteBlob(image,(size_t) bmp_info.image_size,pixels);
pixel_info=RelinquishVirtualMemory(pixel_info);
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
status=SetImageProgress(image,SaveImagesTag,scene++,
GetImageListLength(image));
if (status == MagickFalse)
break;
} while (image_info->adjoin != MagickFalse);
(void) CloseBlob(image);
return(MagickTrue);
}
|
CWE-190
| 181,996 | 3,375 |
171765265288600104663600782228319503724
| null | null | null |
libtomcrypt
|
5eb9743410ce4657e9d54fef26a2ee31a1b5dd0
| 1 |
int rsa_verify_hash_ex(const unsigned char *sig, unsigned long siglen,
const unsigned char *hash, unsigned long hashlen,
int padding,
int hash_idx, unsigned long saltlen,
int *stat, rsa_key *key)
{
unsigned long modulus_bitlen, modulus_bytelen, x;
int err;
unsigned char *tmpbuf;
LTC_ARGCHK(hash != NULL);
LTC_ARGCHK(sig != NULL);
LTC_ARGCHK(stat != NULL);
LTC_ARGCHK(key != NULL);
/* default to invalid */
*stat = 0;
/* valid padding? */
if ((padding != LTC_PKCS_1_V1_5) &&
(padding != LTC_PKCS_1_PSS)) {
return CRYPT_PK_INVALID_PADDING;
}
if (padding == LTC_PKCS_1_PSS) {
/* valid hash ? */
if ((err = hash_is_valid(hash_idx)) != CRYPT_OK) {
return err;
}
}
/* get modulus len in bits */
modulus_bitlen = mp_count_bits( (key->N));
/* outlen must be at least the size of the modulus */
modulus_bytelen = mp_unsigned_bin_size( (key->N));
if (modulus_bytelen != siglen) {
return CRYPT_INVALID_PACKET;
}
/* allocate temp buffer for decoded sig */
tmpbuf = XMALLOC(siglen);
if (tmpbuf == NULL) {
return CRYPT_MEM;
}
/* RSA decode it */
x = siglen;
if ((err = ltc_mp.rsa_me(sig, siglen, tmpbuf, &x, PK_PUBLIC, key)) != CRYPT_OK) {
XFREE(tmpbuf);
return err;
}
/* make sure the output is the right size */
if (x != siglen) {
XFREE(tmpbuf);
return CRYPT_INVALID_PACKET;
}
if (padding == LTC_PKCS_1_PSS) {
/* PSS decode and verify it */
if(modulus_bitlen%8 == 1){
err = pkcs_1_pss_decode(hash, hashlen, tmpbuf+1, x-1, saltlen, hash_idx, modulus_bitlen, stat);
}
else{
err = pkcs_1_pss_decode(hash, hashlen, tmpbuf, x, saltlen, hash_idx, modulus_bitlen, stat);
}
} else {
/* PKCS #1 v1.5 decode it */
unsigned char *out;
unsigned long outlen, loid[16];
int decoded;
ltc_asn1_list digestinfo[2], siginfo[2];
/* not all hashes have OIDs... so sad */
if (hash_descriptor[hash_idx].OIDlen == 0) {
err = CRYPT_INVALID_ARG;
goto bail_2;
}
/* allocate temp buffer for decoded hash */
outlen = ((modulus_bitlen >> 3) + (modulus_bitlen & 7 ? 1 : 0)) - 3;
out = XMALLOC(outlen);
if (out == NULL) {
err = CRYPT_MEM;
goto bail_2;
}
if ((err = pkcs_1_v1_5_decode(tmpbuf, x, LTC_PKCS_1_EMSA, modulus_bitlen, out, &outlen, &decoded)) != CRYPT_OK) {
XFREE(out);
goto bail_2;
}
/* now we must decode out[0...outlen-1] using ASN.1, test the OID and then test the hash */
/* construct the SEQUENCE
SEQUENCE {
SEQUENCE {hashoid OID
blah NULL
}
hash OCTET STRING
}
*/
LTC_SET_ASN1(digestinfo, 0, LTC_ASN1_OBJECT_IDENTIFIER, loid, sizeof(loid)/sizeof(loid[0]));
LTC_SET_ASN1(digestinfo, 1, LTC_ASN1_NULL, NULL, 0);
LTC_SET_ASN1(siginfo, 0, LTC_ASN1_SEQUENCE, digestinfo, 2);
LTC_SET_ASN1(siginfo, 1, LTC_ASN1_OCTET_STRING, tmpbuf, siglen);
if ((err = der_decode_sequence(out, outlen, siginfo, 2)) != CRYPT_OK) {
XFREE(out);
goto bail_2;
}
/* test OID */
if ((digestinfo[0].size == hash_descriptor[hash_idx].OIDlen) &&
(XMEMCMP(digestinfo[0].data, hash_descriptor[hash_idx].OID, sizeof(unsigned long) * hash_descriptor[hash_idx].OIDlen) == 0) &&
(siginfo[1].size == hashlen) &&
(XMEMCMP(siginfo[1].data, hash, hashlen) == 0)) {
*stat = 1;
}
#ifdef LTC_CLEAN_STACK
zeromem(out, outlen);
#endif
XFREE(out);
}
bail_2:
#ifdef LTC_CLEAN_STACK
zeromem(tmpbuf, siglen);
#endif
XFREE(tmpbuf);
return err;
}
|
CWE-20
| 182,004 | 3,382 |
76073170727925487139457249849444406412
| null | null | null |
openjpeg
|
162f6199c0cd3ec1c6c6dc65e41b2faab92b2d91
| 1 |
void color_cmyk_to_rgb(opj_image_t *image)
{
float C, M, Y, K;
float sC, sM, sY, sK;
unsigned int w, h, max, i;
w = image->comps[0].w;
h = image->comps[0].h;
if(image->numcomps < 4) return;
max = w * h;
sC = 1.0F / (float)((1 << image->comps[0].prec) - 1);
sM = 1.0F / (float)((1 << image->comps[1].prec) - 1);
sY = 1.0F / (float)((1 << image->comps[2].prec) - 1);
sK = 1.0F / (float)((1 << image->comps[3].prec) - 1);
for(i = 0; i < max; ++i)
{
/* CMYK values from 0 to 1 */
C = (float)(image->comps[0].data[i]) * sC;
M = (float)(image->comps[1].data[i]) * sM;
Y = (float)(image->comps[2].data[i]) * sY;
K = (float)(image->comps[3].data[i]) * sK;
/* Invert all CMYK values */
C = 1.0F - C;
M = 1.0F - M;
Y = 1.0F - Y;
K = 1.0F - K;
/* CMYK -> RGB : RGB results from 0 to 255 */
image->comps[0].data[i] = (int)(255.0F * C * K); /* R */
image->comps[1].data[i] = (int)(255.0F * M * K); /* G */
image->comps[2].data[i] = (int)(255.0F * Y * K); /* B */
}
free(image->comps[3].data); image->comps[3].data = NULL;
image->comps[0].prec = 8;
image->comps[1].prec = 8;
image->comps[2].prec = 8;
image->numcomps -= 1;
image->color_space = OPJ_CLRSPC_SRGB;
for (i = 3; i < image->numcomps; ++i) {
memcpy(&(image->comps[i]), &(image->comps[i+1]), sizeof(image->comps[i]));
}
}/* color_cmyk_to_rgb() */
|
CWE-119
| 182,008 | 3,383 |
174303624607131535435234552933688590170
| null | null | null |
linux
|
d7a6be58edc01b1c66ecd8fcc91236bfbce0a420
| 1 |
static int einj_error_inject(u32 type, u32 flags, u64 param1, u64 param2,
u64 param3, u64 param4)
{
int rc;
u64 base_addr, size;
/* If user manually set "flags", make sure it is legal */
if (flags && (flags &
~(SETWA_FLAGS_APICID|SETWA_FLAGS_MEM|SETWA_FLAGS_PCIE_SBDF)))
return -EINVAL;
/*
* We need extra sanity checks for memory errors.
* Other types leap directly to injection.
*/
/* ensure param1/param2 existed */
if (!(param_extension || acpi5))
goto inject;
/* ensure injection is memory related */
if (type & ACPI5_VENDOR_BIT) {
if (vendor_flags != SETWA_FLAGS_MEM)
goto inject;
} else if (!(type & MEM_ERROR_MASK) && !(flags & SETWA_FLAGS_MEM))
goto inject;
/*
* Disallow crazy address masks that give BIOS leeway to pick
* injection address almost anywhere. Insist on page or
* better granularity and that target address is normal RAM or
* NVDIMM.
*/
base_addr = param1 & param2;
size = ~param2 + 1;
if (((param2 & PAGE_MASK) != PAGE_MASK) ||
((region_intersects(base_addr, size, IORESOURCE_SYSTEM_RAM, IORES_DESC_NONE)
!= REGION_INTERSECTS) &&
(region_intersects(base_addr, size, IORESOURCE_MEM, IORES_DESC_PERSISTENT_MEMORY)
!= REGION_INTERSECTS)))
return -EINVAL;
inject:
mutex_lock(&einj_mutex);
rc = __einj_error_inject(type, flags, param1, param2, param3, param4);
mutex_unlock(&einj_mutex);
return rc;
}
|
CWE-74
| 182,009 | 3,384 |
189767553214590065466653861208172298352
| null | null | null |
miniupnp
|
140ee8d2204b383279f854802b27bdb41c1d5d1a
| 1 |
void processRequest(struct reqelem * req)
{
ssize_t n;
unsigned int l, m;
unsigned char buf[2048];
const unsigned char * p;
int type;
struct device * d = devlist;
unsigned char rbuf[4096];
unsigned char * rp = rbuf+1;
unsigned char nrep = 0;
time_t t;
struct service * newserv = NULL;
struct service * serv;
n = read(req->socket, buf, sizeof(buf));
if(n<0) {
if(errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK)
return; /* try again later */
syslog(LOG_ERR, "(s=%d) processRequest(): read(): %m", req->socket);
goto error;
}
if(n==0) {
syslog(LOG_INFO, "(s=%d) request connection closed", req->socket);
goto error;
}
t = time(NULL);
type = buf[0];
p = buf + 1;
DECODELENGTH_CHECKLIMIT(l, p, buf + n);
if(p+l > buf+n) {
syslog(LOG_WARNING, "bad request (length encoding)");
goto error;
}
if(l == 0 && type != 3) {
syslog(LOG_WARNING, "bad request (length=0)");
goto error;
}
syslog(LOG_INFO, "(s=%d) request type=%d str='%.*s'",
req->socket, type, l, p);
switch(type) {
case 1: /* request by type */
case 2: /* request by USN (unique id) */
case 3: /* everything */
while(d && (nrep < 255)) {
if(d->t < t) {
syslog(LOG_INFO, "outdated device");
} else {
/* test if we can put more responses in the buffer */
if(d->headers[HEADER_LOCATION].l + d->headers[HEADER_NT].l
+ d->headers[HEADER_USN].l + 6
+ (rp - rbuf) >= (int)sizeof(rbuf))
break;
if( (type==1 && 0==memcmp(d->headers[HEADER_NT].p, p, l))
||(type==2 && 0==memcmp(d->headers[HEADER_USN].p, p, l))
||(type==3) ) {
/* response :
* 1 - Location
* 2 - NT (device/service type)
* 3 - usn */
m = d->headers[HEADER_LOCATION].l;
CODELENGTH(m, rp);
memcpy(rp, d->headers[HEADER_LOCATION].p, d->headers[HEADER_LOCATION].l);
rp += d->headers[HEADER_LOCATION].l;
m = d->headers[HEADER_NT].l;
CODELENGTH(m, rp);
memcpy(rp, d->headers[HEADER_NT].p, d->headers[HEADER_NT].l);
rp += d->headers[HEADER_NT].l;
m = d->headers[HEADER_USN].l;
CODELENGTH(m, rp);
memcpy(rp, d->headers[HEADER_USN].p, d->headers[HEADER_USN].l);
rp += d->headers[HEADER_USN].l;
nrep++;
}
}
d = d->next;
}
/* Also look in service list */
for(serv = servicelisthead.lh_first;
serv && (nrep < 255);
serv = serv->entries.le_next) {
/* test if we can put more responses in the buffer */
if(strlen(serv->location) + strlen(serv->st)
+ strlen(serv->usn) + 6 + (rp - rbuf) >= sizeof(rbuf))
break;
if( (type==1 && 0==strncmp(serv->st, (const char *)p, l))
||(type==2 && 0==strncmp(serv->usn, (const char *)p, l))
||(type==3) ) {
/* response :
* 1 - Location
* 2 - NT (device/service type)
* 3 - usn */
m = strlen(serv->location);
CODELENGTH(m, rp);
memcpy(rp, serv->location, m);
rp += m;
m = strlen(serv->st);
CODELENGTH(m, rp);
memcpy(rp, serv->st, m);
rp += m;
m = strlen(serv->usn);
CODELENGTH(m, rp);
memcpy(rp, serv->usn, m);
rp += m;
nrep++;
}
}
rbuf[0] = nrep;
syslog(LOG_DEBUG, "(s=%d) response : %d device%s",
req->socket, nrep, (nrep > 1) ? "s" : "");
if(write(req->socket, rbuf, rp - rbuf) < 0) {
syslog(LOG_ERR, "(s=%d) write: %m", req->socket);
goto error;
}
break;
case 4: /* submit service */
newserv = malloc(sizeof(struct service));
if(!newserv) {
syslog(LOG_ERR, "cannot allocate memory");
goto error;
}
if(containsForbiddenChars(p, l)) {
syslog(LOG_ERR, "bad request (st contains forbidden chars)");
goto error;
}
newserv->st = malloc(l + 1);
if(!newserv->st) {
syslog(LOG_ERR, "cannot allocate memory");
goto error;
}
memcpy(newserv->st, p, l);
newserv->st[l] = '\0';
p += l;
if(p >= buf + n) {
syslog(LOG_WARNING, "bad request (missing usn)");
goto error;
}
DECODELENGTH_CHECKLIMIT(l, p, buf + n);
if(p+l > buf+n) {
syslog(LOG_WARNING, "bad request (length encoding)");
goto error;
}
if(containsForbiddenChars(p, l)) {
syslog(LOG_ERR, "bad request (usn contains forbidden chars)");
goto error;
}
syslog(LOG_INFO, "usn='%.*s'", l, p);
newserv->usn = malloc(l + 1);
if(!newserv->usn) {
syslog(LOG_ERR, "cannot allocate memory");
goto error;
}
memcpy(newserv->usn, p, l);
newserv->usn[l] = '\0';
p += l;
DECODELENGTH_CHECKLIMIT(l, p, buf + n);
if(p+l > buf+n) {
syslog(LOG_WARNING, "bad request (length encoding)");
goto error;
}
if(containsForbiddenChars(p, l)) {
syslog(LOG_ERR, "bad request (server contains forbidden chars)");
goto error;
}
syslog(LOG_INFO, "server='%.*s'", l, p);
newserv->server = malloc(l + 1);
if(!newserv->server) {
syslog(LOG_ERR, "cannot allocate memory");
goto error;
}
memcpy(newserv->server, p, l);
newserv->server[l] = '\0';
p += l;
DECODELENGTH_CHECKLIMIT(l, p, buf + n);
if(p+l > buf+n) {
syslog(LOG_WARNING, "bad request (length encoding)");
goto error;
}
if(containsForbiddenChars(p, l)) {
syslog(LOG_ERR, "bad request (location contains forbidden chars)");
goto error;
}
syslog(LOG_INFO, "location='%.*s'", l, p);
newserv->location = malloc(l + 1);
if(!newserv->location) {
syslog(LOG_ERR, "cannot allocate memory");
goto error;
}
memcpy(newserv->location, p, l);
newserv->location[l] = '\0';
/* look in service list for duplicate */
for(serv = servicelisthead.lh_first;
serv;
serv = serv->entries.le_next) {
if(0 == strcmp(newserv->usn, serv->usn)
&& 0 == strcmp(newserv->st, serv->st)) {
syslog(LOG_INFO, "Service allready in the list. Updating...");
free(newserv->st);
free(newserv->usn);
free(serv->server);
serv->server = newserv->server;
free(serv->location);
serv->location = newserv->location;
free(newserv);
newserv = NULL;
return;
}
}
/* Inserting new service */
LIST_INSERT_HEAD(&servicelisthead, newserv, entries);
newserv = NULL;
/*rbuf[0] = '\0';
if(write(req->socket, rbuf, 1) < 0)
syslog(LOG_ERR, "(s=%d) write: %m", req->socket);
*/
break;
default:
syslog(LOG_WARNING, "Unknown request type %d", type);
rbuf[0] = '\0';
if(write(req->socket, rbuf, 1) < 0) {
syslog(LOG_ERR, "(s=%d) write: %m", req->socket);
goto error;
}
}
return;
error:
if(newserv) {
free(newserv->st);
free(newserv->usn);
free(newserv->server);
free(newserv->location);
free(newserv);
newserv = NULL;
}
close(req->socket);
req->socket = -1;
return;
}
|
CWE-388
| 182,015 | 3,389 |
37126454427764614976480912798779761922
| null | null | null |
miniupnp
|
b238cade9a173c6f751a34acf8ccff838a62aa47
| 1 |
void processRequest(struct reqelem * req)
{
ssize_t n;
unsigned int l, m;
unsigned char buf[2048];
const unsigned char * p;
enum request_type type;
struct device * d = devlist;
unsigned char rbuf[RESPONSE_BUFFER_SIZE];
unsigned char * rp;
unsigned char nrep = 0;
time_t t;
struct service * newserv = NULL;
struct service * serv;
n = read(req->socket, buf, sizeof(buf));
if(n<0) {
if(errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK)
return; /* try again later */
syslog(LOG_ERR, "(s=%d) processRequest(): read(): %m", req->socket);
goto error;
}
if(n==0) {
syslog(LOG_INFO, "(s=%d) request connection closed", req->socket);
goto error;
}
t = time(NULL);
type = buf[0];
p = buf + 1;
DECODELENGTH_CHECKLIMIT(l, p, buf + n);
if(p+l > buf+n) {
syslog(LOG_WARNING, "bad request (length encoding l=%u n=%u)",
l, (unsigned)n);
goto error;
}
if(l == 0 && type != MINISSDPD_SEARCH_ALL
&& type != MINISSDPD_GET_VERSION && type != MINISSDPD_NOTIF) {
syslog(LOG_WARNING, "bad request (length=0, type=%d)", type);
goto error;
}
syslog(LOG_INFO, "(s=%d) request type=%d str='%.*s'",
req->socket, type, l, p);
switch(type) {
case MINISSDPD_GET_VERSION:
rp = rbuf;
CODELENGTH((sizeof(MINISSDPD_VERSION) - 1), rp);
memcpy(rp, MINISSDPD_VERSION, sizeof(MINISSDPD_VERSION) - 1);
rp += (sizeof(MINISSDPD_VERSION) - 1);
if(write_or_buffer(req, rbuf, rp - rbuf) < 0) {
syslog(LOG_ERR, "(s=%d) write: %m", req->socket);
goto error;
}
break;
case MINISSDPD_SEARCH_TYPE: /* request by type */
case MINISSDPD_SEARCH_USN: /* request by USN (unique id) */
case MINISSDPD_SEARCH_ALL: /* everything */
rp = rbuf+1;
while(d && (nrep < 255)) {
if(d->t < t) {
syslog(LOG_INFO, "outdated device");
} else {
/* test if we can put more responses in the buffer */
if(d->headers[HEADER_LOCATION].l + d->headers[HEADER_NT].l
+ d->headers[HEADER_USN].l + 6
+ (rp - rbuf) >= (int)sizeof(rbuf))
break;
if( (type==MINISSDPD_SEARCH_TYPE && 0==memcmp(d->headers[HEADER_NT].p, p, l))
||(type==MINISSDPD_SEARCH_USN && 0==memcmp(d->headers[HEADER_USN].p, p, l))
||(type==MINISSDPD_SEARCH_ALL) ) {
/* response :
* 1 - Location
* 2 - NT (device/service type)
* 3 - usn */
m = d->headers[HEADER_LOCATION].l;
CODELENGTH(m, rp);
memcpy(rp, d->headers[HEADER_LOCATION].p, d->headers[HEADER_LOCATION].l);
rp += d->headers[HEADER_LOCATION].l;
m = d->headers[HEADER_NT].l;
CODELENGTH(m, rp);
memcpy(rp, d->headers[HEADER_NT].p, d->headers[HEADER_NT].l);
rp += d->headers[HEADER_NT].l;
m = d->headers[HEADER_USN].l;
CODELENGTH(m, rp);
memcpy(rp, d->headers[HEADER_USN].p, d->headers[HEADER_USN].l);
rp += d->headers[HEADER_USN].l;
nrep++;
}
}
d = d->next;
}
/* Also look in service list */
for(serv = servicelisthead.lh_first;
serv && (nrep < 255);
serv = serv->entries.le_next) {
/* test if we can put more responses in the buffer */
if(strlen(serv->location) + strlen(serv->st)
+ strlen(serv->usn) + 6 + (rp - rbuf) >= sizeof(rbuf))
break;
if( (type==MINISSDPD_SEARCH_TYPE && 0==strncmp(serv->st, (const char *)p, l))
||(type==MINISSDPD_SEARCH_USN && 0==strncmp(serv->usn, (const char *)p, l))
||(type==MINISSDPD_SEARCH_ALL) ) {
/* response :
* 1 - Location
* 2 - NT (device/service type)
* 3 - usn */
m = strlen(serv->location);
CODELENGTH(m, rp);
memcpy(rp, serv->location, m);
rp += m;
m = strlen(serv->st);
CODELENGTH(m, rp);
memcpy(rp, serv->st, m);
rp += m;
m = strlen(serv->usn);
CODELENGTH(m, rp);
memcpy(rp, serv->usn, m);
rp += m;
nrep++;
}
}
rbuf[0] = nrep;
syslog(LOG_DEBUG, "(s=%d) response : %d device%s",
req->socket, nrep, (nrep > 1) ? "s" : "");
if(write_or_buffer(req, rbuf, rp - rbuf) < 0) {
syslog(LOG_ERR, "(s=%d) write: %m", req->socket);
goto error;
}
break;
case MINISSDPD_SUBMIT: /* submit service */
newserv = malloc(sizeof(struct service));
if(!newserv) {
syslog(LOG_ERR, "cannot allocate memory");
goto error;
}
memset(newserv, 0, sizeof(struct service)); /* set pointers to NULL */
if(containsForbiddenChars(p, l)) {
syslog(LOG_ERR, "bad request (st contains forbidden chars)");
goto error;
}
newserv->st = malloc(l + 1);
if(!newserv->st) {
syslog(LOG_ERR, "cannot allocate memory");
goto error;
}
memcpy(newserv->st, p, l);
newserv->st[l] = '\0';
p += l;
if(p >= buf + n) {
syslog(LOG_WARNING, "bad request (missing usn)");
goto error;
}
DECODELENGTH_CHECKLIMIT(l, p, buf + n);
if(p+l > buf+n) {
syslog(LOG_WARNING, "bad request (length encoding)");
goto error;
}
if(containsForbiddenChars(p, l)) {
syslog(LOG_ERR, "bad request (usn contains forbidden chars)");
goto error;
}
syslog(LOG_INFO, "usn='%.*s'", l, p);
newserv->usn = malloc(l + 1);
if(!newserv->usn) {
syslog(LOG_ERR, "cannot allocate memory");
goto error;
}
memcpy(newserv->usn, p, l);
newserv->usn[l] = '\0';
p += l;
DECODELENGTH_CHECKLIMIT(l, p, buf + n);
if(p+l > buf+n) {
syslog(LOG_WARNING, "bad request (length encoding)");
goto error;
}
if(containsForbiddenChars(p, l)) {
syslog(LOG_ERR, "bad request (server contains forbidden chars)");
goto error;
}
syslog(LOG_INFO, "server='%.*s'", l, p);
newserv->server = malloc(l + 1);
if(!newserv->server) {
syslog(LOG_ERR, "cannot allocate memory");
goto error;
}
memcpy(newserv->server, p, l);
newserv->server[l] = '\0';
p += l;
DECODELENGTH_CHECKLIMIT(l, p, buf + n);
if(p+l > buf+n) {
syslog(LOG_WARNING, "bad request (length encoding)");
goto error;
}
if(containsForbiddenChars(p, l)) {
syslog(LOG_ERR, "bad request (location contains forbidden chars)");
goto error;
}
syslog(LOG_INFO, "location='%.*s'", l, p);
newserv->location = malloc(l + 1);
if(!newserv->location) {
syslog(LOG_ERR, "cannot allocate memory");
goto error;
}
memcpy(newserv->location, p, l);
newserv->location[l] = '\0';
/* look in service list for duplicate */
for(serv = servicelisthead.lh_first;
serv;
serv = serv->entries.le_next) {
if(0 == strcmp(newserv->usn, serv->usn)
&& 0 == strcmp(newserv->st, serv->st)) {
syslog(LOG_INFO, "Service already in the list. Updating...");
free(newserv->st);
free(newserv->usn);
free(serv->server);
serv->server = newserv->server;
free(serv->location);
serv->location = newserv->location;
free(newserv);
newserv = NULL;
return;
}
}
/* Inserting new service */
LIST_INSERT_HEAD(&servicelisthead, newserv, entries);
sendNotifications(NOTIF_NEW, NULL, newserv);
newserv = NULL;
break;
case MINISSDPD_NOTIF: /* switch socket to notify */
rbuf[0] = '\0';
if(write_or_buffer(req, rbuf, 1) < 0) {
syslog(LOG_ERR, "(s=%d) write: %m", req->socket);
goto error;
}
req->is_notify = 1;
break;
default:
syslog(LOG_WARNING, "Unknown request type %d", type);
rbuf[0] = '\0';
if(write_or_buffer(req, rbuf, 1) < 0) {
syslog(LOG_ERR, "(s=%d) write: %m", req->socket);
goto error;
}
}
return;
error:
if(newserv) {
free(newserv->st);
free(newserv->usn);
free(newserv->server);
free(newserv->location);
free(newserv);
newserv = NULL;
}
close(req->socket);
req->socket = -1;
return;
}
|
CWE-125
| 182,016 | 3,390 |
230723959165221822803013847050003198419
| null | null | null |
lhasa
|
6fcdb8f1f538b9d63e63a5fa199c5514a15d4564
| 1 |
static int decode_level3_header(LHAFileHeader **header, LHAInputStream *stream)
{
unsigned int header_len;
if (lha_decode_uint16(&RAW_DATA(header, 0)) != 4) {
return 0;
}
if (!extend_raw_data(header, stream,
LEVEL_3_HEADER_LEN - RAW_DATA_LEN(header))) {
return 0;
}
header_len = lha_decode_uint32(&RAW_DATA(header, 24));
if (header_len > LEVEL_3_MAX_HEADER_LEN) {
return 0;
}
if (!extend_raw_data(header, stream,
header_len - RAW_DATA_LEN(header))) {
return 0;
}
memcpy((*header)->compress_method, &RAW_DATA(header, 2), 5);
(*header)->compress_method[5] = '\0';
(*header)->compressed_length = lha_decode_uint32(&RAW_DATA(header, 7));
(*header)->length = lha_decode_uint32(&RAW_DATA(header, 11));
(*header)->timestamp = lha_decode_uint32(&RAW_DATA(header, 15));
(*header)->crc = lha_decode_uint16(&RAW_DATA(header, 21));
(*header)->os_type = RAW_DATA(header, 23);
if (!decode_extended_headers(header, 28)) {
return 0;
}
return 1;
}
|
CWE-190
| 182,018 | 3,392 |
82334831641499670188559001562233665701
| null | null | null |
linux
|
c3c87e770458aa004bd7ed3f29945ff436fd6511
| 1 |
int perf_pmu_register(struct pmu *pmu, const char *name, int type)
{
int cpu, ret;
mutex_lock(&pmus_lock);
ret = -ENOMEM;
pmu->pmu_disable_count = alloc_percpu(int);
if (!pmu->pmu_disable_count)
goto unlock;
pmu->type = -1;
if (!name)
goto skip_type;
pmu->name = name;
if (type < 0) {
type = idr_alloc(&pmu_idr, pmu, PERF_TYPE_MAX, 0, GFP_KERNEL);
if (type < 0) {
ret = type;
goto free_pdc;
}
}
pmu->type = type;
if (pmu_bus_running) {
ret = pmu_dev_alloc(pmu);
if (ret)
goto free_idr;
}
skip_type:
pmu->pmu_cpu_context = find_pmu_context(pmu->task_ctx_nr);
if (pmu->pmu_cpu_context)
goto got_cpu_context;
ret = -ENOMEM;
pmu->pmu_cpu_context = alloc_percpu(struct perf_cpu_context);
if (!pmu->pmu_cpu_context)
goto free_dev;
for_each_possible_cpu(cpu) {
struct perf_cpu_context *cpuctx;
cpuctx = per_cpu_ptr(pmu->pmu_cpu_context, cpu);
__perf_event_init_context(&cpuctx->ctx);
lockdep_set_class(&cpuctx->ctx.mutex, &cpuctx_mutex);
lockdep_set_class(&cpuctx->ctx.lock, &cpuctx_lock);
cpuctx->ctx.type = cpu_context;
cpuctx->ctx.pmu = pmu;
__perf_cpu_hrtimer_init(cpuctx, cpu);
INIT_LIST_HEAD(&cpuctx->rotation_list);
cpuctx->unique_pmu = pmu;
}
got_cpu_context:
if (!pmu->start_txn) {
if (pmu->pmu_enable) {
/*
* If we have pmu_enable/pmu_disable calls, install
* transaction stubs that use that to try and batch
* hardware accesses.
*/
pmu->start_txn = perf_pmu_start_txn;
pmu->commit_txn = perf_pmu_commit_txn;
pmu->cancel_txn = perf_pmu_cancel_txn;
} else {
pmu->start_txn = perf_pmu_nop_void;
pmu->commit_txn = perf_pmu_nop_int;
pmu->cancel_txn = perf_pmu_nop_void;
}
}
if (!pmu->pmu_enable) {
pmu->pmu_enable = perf_pmu_nop_void;
pmu->pmu_disable = perf_pmu_nop_void;
}
if (!pmu->event_idx)
pmu->event_idx = perf_event_idx_default;
list_add_rcu(&pmu->entry, &pmus);
ret = 0;
unlock:
mutex_unlock(&pmus_lock);
return ret;
free_dev:
device_del(pmu->dev);
put_device(pmu->dev);
free_idr:
if (pmu->type >= PERF_TYPE_MAX)
idr_remove(&pmu_idr, pmu->type);
free_pdc:
free_percpu(pmu->pmu_disable_count);
goto unlock;
}
|
CWE-264
| 182,024 | 3,397 |
318169107449246132546765277331284654353
| null | null | null |
ImageMagick
|
9b428b7af688fe319320aed15f2b94281d1e37b4
| 1 |
static MagickBooleanType SkipDXTMipmaps(Image *image,DDSInfo *dds_info,
int texel_size,ExceptionInfo *exception)
{
register ssize_t
i;
MagickOffsetType
offset;
size_t
h,
w;
/*
Only skip mipmaps for textures and cube maps
*/
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
return(MagickFalse);
}
if (dds_info->ddscaps1 & DDSCAPS_MIPMAP
&& (dds_info->ddscaps1 & DDSCAPS_TEXTURE
|| dds_info->ddscaps2 & DDSCAPS2_CUBEMAP))
{
w = DIV2(dds_info->width);
h = DIV2(dds_info->height);
/*
Mipmapcount includes the main image, so start from one
*/
for (i = 1; (i < (ssize_t) dds_info->mipmapcount) && w && h; i++)
{
offset = (MagickOffsetType) ((w + 3) / 4) * ((h + 3) / 4) * texel_size;
(void) SeekBlob(image, offset, SEEK_CUR);
w = DIV2(w);
h = DIV2(h);
}
}
return(MagickTrue);
}
|
CWE-399
| 182,025 | 3,398 |
161526989354860712197599697200889237564
| null | null | null |
ImageMagick
|
b8f17d08b7418204bf8a05a5c24e87b2fc395b75
| 1 |
static Image *ReadSUNImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
#define RMT_EQUAL_RGB 1
#define RMT_NONE 0
#define RMT_RAW 2
#define RT_STANDARD 1
#define RT_ENCODED 2
#define RT_FORMAT_RGB 3
typedef struct _SUNInfo
{
unsigned int
magic,
width,
height,
depth,
length,
type,
maptype,
maplength;
} SUNInfo;
Image
*image;
int
bit;
MagickBooleanType
status;
MagickSizeType
number_pixels;
register Quantum
*q;
register ssize_t
i,
x;
register unsigned char
*p;
size_t
bytes_per_line,
extent,
length;
ssize_t
count,
y;
SUNInfo
sun_info;
unsigned char
*sun_data,
*sun_pixels;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Read SUN raster header.
*/
(void) ResetMagickMemory(&sun_info,0,sizeof(sun_info));
sun_info.magic=ReadBlobMSBLong(image);
do
{
/*
Verify SUN identifier.
*/
if (sun_info.magic != 0x59a66a95)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
sun_info.width=ReadBlobMSBLong(image);
sun_info.height=ReadBlobMSBLong(image);
sun_info.depth=ReadBlobMSBLong(image);
sun_info.length=ReadBlobMSBLong(image);
sun_info.type=ReadBlobMSBLong(image);
sun_info.maptype=ReadBlobMSBLong(image);
sun_info.maplength=ReadBlobMSBLong(image);
extent=sun_info.height*sun_info.width;
if ((sun_info.height != 0) && (sun_info.width != extent/sun_info.height))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if ((sun_info.type != RT_STANDARD) && (sun_info.type != RT_ENCODED) &&
(sun_info.type != RT_FORMAT_RGB))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if ((sun_info.maptype == RMT_NONE) && (sun_info.maplength != 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if ((sun_info.depth == 0) || (sun_info.depth > 32))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if ((sun_info.maptype != RMT_NONE) && (sun_info.maptype != RMT_EQUAL_RGB) &&
(sun_info.maptype != RMT_RAW))
ThrowReaderException(CoderError,"ColormapTypeNotSupported");
image->columns=sun_info.width;
image->rows=sun_info.height;
image->depth=sun_info.depth <= 8 ? sun_info.depth :
MAGICKCORE_QUANTUM_DEPTH;
if (sun_info.depth < 24)
{
size_t
one;
image->colors=sun_info.maplength;
one=1;
if (sun_info.maptype == RMT_NONE)
image->colors=one << sun_info.depth;
if (sun_info.maptype == RMT_EQUAL_RGB)
image->colors=sun_info.maplength/3;
if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
switch (sun_info.maptype)
{
case RMT_NONE:
break;
case RMT_EQUAL_RGB:
{
unsigned char
*sun_colormap;
/*
Read SUN raster colormap.
*/
sun_colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
sizeof(*sun_colormap));
if (sun_colormap == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
count=ReadBlob(image,image->colors,sun_colormap);
if (count != (ssize_t) image->colors)
ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
for (i=0; i < (ssize_t) image->colors; i++)
image->colormap[i].red=(MagickRealType) ScaleCharToQuantum(
sun_colormap[i]);
count=ReadBlob(image,image->colors,sun_colormap);
if (count != (ssize_t) image->colors)
ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
for (i=0; i < (ssize_t) image->colors; i++)
image->colormap[i].green=(MagickRealType) ScaleCharToQuantum(
sun_colormap[i]);
count=ReadBlob(image,image->colors,sun_colormap);
if (count != (ssize_t) image->colors)
ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
for (i=0; i < (ssize_t) image->colors; i++)
image->colormap[i].blue=(MagickRealType) ScaleCharToQuantum(
sun_colormap[i]);
sun_colormap=(unsigned char *) RelinquishMagickMemory(sun_colormap);
break;
}
case RMT_RAW:
{
unsigned char
*sun_colormap;
/*
Read SUN raster colormap.
*/
sun_colormap=(unsigned char *) AcquireQuantumMemory(sun_info.maplength,
sizeof(*sun_colormap));
if (sun_colormap == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
count=ReadBlob(image,sun_info.maplength,sun_colormap);
if (count != (ssize_t) sun_info.maplength)
ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
sun_colormap=(unsigned char *) RelinquishMagickMemory(sun_colormap);
break;
}
default:
ThrowReaderException(CoderError,"ColormapTypeNotSupported");
}
image->alpha_trait=sun_info.depth == 32 ? BlendPixelTrait :
UndefinedPixelTrait;
image->columns=sun_info.width;
image->rows=sun_info.height;
if (image_info->ping != MagickFalse)
{
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
if ((sun_info.length*sizeof(*sun_data))/sizeof(*sun_data) !=
sun_info.length || !sun_info.length)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
number_pixels=(MagickSizeType) image->columns*image->rows;
if ((sun_info.type != RT_ENCODED) && (sun_info.depth >= 8) &&
((number_pixels*((sun_info.depth+7)/8)) > sun_info.length))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
bytes_per_line=sun_info.width*sun_info.depth;
sun_data=(unsigned char *) AcquireQuantumMemory((size_t) MagickMax(
sun_info.length,bytes_per_line*sun_info.width),sizeof(*sun_data));
if (sun_data == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
count=(ssize_t) ReadBlob(image,sun_info.length,sun_data);
if (count != (ssize_t) sun_info.length)
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
sun_pixels=sun_data;
bytes_per_line=0;
if (sun_info.type == RT_ENCODED)
{
size_t
height;
/*
Read run-length encoded raster pixels.
*/
height=sun_info.height;
if ((height == 0) || (sun_info.width == 0) || (sun_info.depth == 0) ||
((bytes_per_line/sun_info.depth) != sun_info.width))
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
bytes_per_line+=15;
bytes_per_line<<=1;
if ((bytes_per_line >> 1) != (sun_info.width*sun_info.depth+15))
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
bytes_per_line>>=4;
sun_pixels=(unsigned char *) AcquireQuantumMemory(height,
bytes_per_line*sizeof(*sun_pixels));
if (sun_pixels == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
(void) DecodeImage(sun_data,sun_info.length,sun_pixels,bytes_per_line*
height);
sun_data=(unsigned char *) RelinquishMagickMemory(sun_data);
}
/*
Convert SUN raster image to pixel packets.
*/
p=sun_pixels;
if (sun_info.depth == 1)
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < ((ssize_t) image->columns-7); x+=8)
{
for (bit=7; bit >= 0; bit--)
{
SetPixelIndex(image,(Quantum) ((*p) & (0x01 << bit) ? 0x00 : 0x01),
q);
q+=GetPixelChannels(image);
}
p++;
}
if ((image->columns % 8) != 0)
{
for (bit=7; bit >= (int) (8-(image->columns % 8)); bit--)
{
SetPixelIndex(image,(Quantum) ((*p) & (0x01 << bit) ? 0x00 :
0x01),q);
q+=GetPixelChannels(image);
}
p++;
}
if ((((image->columns/8)+(image->columns % 8 ? 1 : 0)) % 2) != 0)
p++;
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
else
if (image->storage_class == PseudoClass)
{
if (bytes_per_line == 0)
bytes_per_line=image->columns;
length=image->rows*(image->columns+image->columns % 2);
if (((sun_info.type == RT_ENCODED) &&
(length > (bytes_per_line*image->rows))) ||
((sun_info.type != RT_ENCODED) && (length > sun_info.length)))
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelIndex(image,*p++,q);
q+=GetPixelChannels(image);
}
if ((image->columns % 2) != 0)
p++;
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
}
else
{
size_t
bytes_per_pixel;
bytes_per_pixel=3;
if (image->alpha_trait != UndefinedPixelTrait)
bytes_per_pixel++;
if (bytes_per_line == 0)
bytes_per_line=bytes_per_pixel*image->columns;
length=image->rows*(bytes_per_line+image->columns % 2);
if (((sun_info.type == RT_ENCODED) &&
(length > (bytes_per_line*image->rows))) ||
((sun_info.type != RT_ENCODED) && (length > sun_info.length)))
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
if (image->alpha_trait != UndefinedPixelTrait)
SetPixelAlpha(image,ScaleCharToQuantum(*p++),q);
if (sun_info.type == RT_STANDARD)
{
SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
SetPixelRed(image,ScaleCharToQuantum(*p++),q);
}
else
{
SetPixelRed(image,ScaleCharToQuantum(*p++),q);
SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
}
if (image->colors != 0)
{
SetPixelRed(image,ClampToQuantum(image->colormap[(ssize_t)
GetPixelRed(image,q)].red),q);
SetPixelGreen(image,ClampToQuantum(image->colormap[(ssize_t)
GetPixelGreen(image,q)].green),q);
SetPixelBlue(image,ClampToQuantum(image->colormap[(ssize_t)
GetPixelBlue(image,q)].blue),q);
}
q+=GetPixelChannels(image);
}
if (((bytes_per_pixel*image->columns) % 2) != 0)
p++;
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
}
if (image->storage_class == PseudoClass)
(void) SyncImage(image,exception);
sun_pixels=(unsigned char *) RelinquishMagickMemory(sun_pixels);
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
sun_info.magic=ReadBlobMSBLong(image);
if (sun_info.magic == 0x59a66a95)
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image,exception);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
} while (sun_info.magic == 0x59a66a95);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
|
CWE-125
| 182,026 | 3,399 |
103972331085104535220177456351916260908
| null | null | null |
ImageMagick
|
97aa7d7cfd2027f6ba7ce42caf8b798541b9cdc6
| 1 |
static Image *ReadHDRImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
char
format[MaxTextExtent],
keyword[MaxTextExtent],
tag[MaxTextExtent],
value[MaxTextExtent];
double
gamma;
Image
*image;
int
c;
MagickBooleanType
status,
value_expected;
register Quantum
*q;
register ssize_t
i,
x;
register unsigned char
*p;
ssize_t
count,
y;
unsigned char
*end,
pixel[4],
*pixels;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Decode image header.
*/
image->columns=0;
image->rows=0;
*format='\0';
c=ReadBlobByte(image);
if (c == EOF)
{
image=DestroyImage(image);
return((Image *) NULL);
}
while (isgraph(c) && (image->columns == 0) && (image->rows == 0))
{
if (c == (int) '#')
{
char
*comment;
register char
*p;
size_t
length;
/*
Read comment-- any text between # and end-of-line.
*/
length=MaxTextExtent;
comment=AcquireString((char *) NULL);
for (p=comment; comment != (char *) NULL; p++)
{
c=ReadBlobByte(image);
if ((c == EOF) || (c == (int) '\n'))
break;
if ((size_t) (p-comment+1) >= length)
{
*p='\0';
length<<=1;
comment=(char *) ResizeQuantumMemory(comment,length+
MaxTextExtent,sizeof(*comment));
if (comment == (char *) NULL)
break;
p=comment+strlen(comment);
}
*p=(char) c;
}
if (comment == (char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
*p='\0';
(void) SetImageProperty(image,"comment",comment,exception);
comment=DestroyString(comment);
c=ReadBlobByte(image);
}
else
if (isalnum(c) == MagickFalse)
c=ReadBlobByte(image);
else
{
register char
*p;
/*
Determine a keyword and its value.
*/
p=keyword;
do
{
if ((size_t) (p-keyword) < (MaxTextExtent-1))
*p++=c;
c=ReadBlobByte(image);
} while (isalnum(c) || (c == '_'));
*p='\0';
value_expected=MagickFalse;
while ((isspace((int) ((unsigned char) c)) != 0) || (c == '='))
{
if (c == '=')
value_expected=MagickTrue;
c=ReadBlobByte(image);
}
if (LocaleCompare(keyword,"Y") == 0)
value_expected=MagickTrue;
if (value_expected == MagickFalse)
continue;
p=value;
while ((c != '\n') && (c != '\0'))
{
if ((size_t) (p-value) < (MaxTextExtent-1))
*p++=c;
c=ReadBlobByte(image);
}
*p='\0';
/*
Assign a value to the specified keyword.
*/
switch (*keyword)
{
case 'F':
case 'f':
{
if (LocaleCompare(keyword,"format") == 0)
{
(void) CopyMagickString(format,value,MaxTextExtent);
break;
}
(void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword);
(void) SetImageProperty(image,tag,value,exception);
break;
}
case 'G':
case 'g':
{
if (LocaleCompare(keyword,"gamma") == 0)
{
image->gamma=StringToDouble(value,(char **) NULL);
break;
}
(void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword);
(void) SetImageProperty(image,tag,value,exception);
break;
}
case 'P':
case 'p':
{
if (LocaleCompare(keyword,"primaries") == 0)
{
float
chromaticity[6],
white_point[2];
(void) sscanf(value,"%g %g %g %g %g %g %g %g",
&chromaticity[0],&chromaticity[1],&chromaticity[2],
&chromaticity[3],&chromaticity[4],&chromaticity[5],
&white_point[0],&white_point[1]);
image->chromaticity.red_primary.x=chromaticity[0];
image->chromaticity.red_primary.y=chromaticity[1];
image->chromaticity.green_primary.x=chromaticity[2];
image->chromaticity.green_primary.y=chromaticity[3];
image->chromaticity.blue_primary.x=chromaticity[4];
image->chromaticity.blue_primary.y=chromaticity[5];
image->chromaticity.white_point.x=white_point[0],
image->chromaticity.white_point.y=white_point[1];
break;
}
(void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword);
(void) SetImageProperty(image,tag,value,exception);
break;
}
case 'Y':
case 'y':
{
char
target[] = "Y";
if (strcmp(keyword,target) == 0)
{
int
height,
width;
(void) sscanf(value,"%d +X %d",&height,&width);
image->columns=(size_t) width;
image->rows=(size_t) height;
break;
}
(void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword);
(void) SetImageProperty(image,tag,value,exception);
break;
}
default:
{
(void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword);
(void) SetImageProperty(image,tag,value,exception);
break;
}
}
}
if ((image->columns == 0) && (image->rows == 0))
while (isspace((int) ((unsigned char) c)) != 0)
c=ReadBlobByte(image);
}
if ((LocaleCompare(format,"32-bit_rle_rgbe") != 0) &&
(LocaleCompare(format,"32-bit_rle_xyze") != 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if ((image->columns == 0) || (image->rows == 0))
ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
(void) SetImageColorspace(image,RGBColorspace,exception);
if (LocaleCompare(format,"32-bit_rle_xyze") == 0)
(void) SetImageColorspace(image,XYZColorspace,exception);
image->compression=(image->columns < 8) || (image->columns > 0x7ffff) ?
NoCompression : RLECompression;
if (image_info->ping != MagickFalse)
{
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
/*
Read RGBE (red+green+blue+exponent) pixels.
*/
pixels=(unsigned char *) AcquireQuantumMemory(image->columns,4*
sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
for (y=0; y < (ssize_t) image->rows; y++)
{
if (image->compression != RLECompression)
{
count=ReadBlob(image,4*image->columns*sizeof(*pixels),pixels);
if (count != (ssize_t) (4*image->columns*sizeof(*pixels)))
break;
}
else
{
count=ReadBlob(image,4*sizeof(*pixel),pixel);
if (count != 4)
break;
if ((size_t) ((((size_t) pixel[2]) << 8) | pixel[3]) != image->columns)
{
(void) memcpy(pixels,pixel,4*sizeof(*pixel));
count=ReadBlob(image,4*(image->columns-1)*sizeof(*pixels),pixels+4);
image->compression=NoCompression;
}
else
{
p=pixels;
for (i=0; i < 4; i++)
{
end=&pixels[(i+1)*image->columns];
while (p < end)
{
count=ReadBlob(image,2*sizeof(*pixel),pixel);
if (count < 1)
break;
if (pixel[0] > 128)
{
count=(ssize_t) pixel[0]-128;
if ((count == 0) || (count > (ssize_t) (end-p)))
break;
while (count-- > 0)
*p++=pixel[1];
}
else
{
count=(ssize_t) pixel[0];
if ((count == 0) || (count > (ssize_t) (end-p)))
break;
*p++=pixel[1];
if (--count > 0)
{
count=ReadBlob(image,(size_t) count*sizeof(*p),p);
if (count < 1)
break;
p+=count;
}
}
}
}
}
}
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
i=0;
for (x=0; x < (ssize_t) image->columns; x++)
{
if (image->compression == RLECompression)
{
pixel[0]=pixels[x];
pixel[1]=pixels[x+image->columns];
pixel[2]=pixels[x+2*image->columns];
pixel[3]=pixels[x+3*image->columns];
}
else
{
pixel[0]=pixels[i++];
pixel[1]=pixels[i++];
pixel[2]=pixels[i++];
pixel[3]=pixels[i++];
}
SetPixelRed(image,0,q);
SetPixelGreen(image,0,q);
SetPixelBlue(image,0,q);
if (pixel[3] != 0)
{
gamma=pow(2.0,pixel[3]-(128.0+8.0));
SetPixelRed(image,ClampToQuantum(QuantumRange*gamma*pixel[0]),q);
SetPixelGreen(image,ClampToQuantum(QuantumRange*gamma*pixel[1]),q);
SetPixelBlue(image,ClampToQuantum(QuantumRange*gamma*pixel[2]),q);
}
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (EOFBlob(image) != MagickFalse)
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
|
CWE-20
| 182,028 | 3,400 |
132512135164293847959848409853559835313
| null | null | null |
ImageMagick
|
5b4bebaa91849c592a8448bc353ab25a54ff8c44
| 1 |
MagickExport MagickBooleanType WriteImages(const ImageInfo *image_info,
Image *images,const char *filename,ExceptionInfo *exception)
{
#define WriteImageTag "Write/Image"
ExceptionInfo
*sans_exception;
ImageInfo
*write_info;
MagickBooleanType
proceed;
MagickOffsetType
progress;
MagickProgressMonitor
progress_monitor;
MagickSizeType
number_images;
MagickStatusType
status;
register Image
*p;
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
assert(images != (Image *) NULL);
assert(images->signature == MagickCoreSignature);
if (images->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
assert(exception != (ExceptionInfo *) NULL);
write_info=CloneImageInfo(image_info);
*write_info->magick='\0';
images=GetFirstImageInList(images);
if (filename != (const char *) NULL)
for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
(void) CopyMagickString(p->filename,filename,MagickPathExtent);
(void) CopyMagickString(write_info->filename,images->filename,MagickPathExtent);
sans_exception=AcquireExceptionInfo();
(void) SetImageInfo(write_info,(unsigned int) GetImageListLength(images),
sans_exception);
sans_exception=DestroyExceptionInfo(sans_exception);
if (*write_info->magick == '\0')
(void) CopyMagickString(write_info->magick,images->magick,MagickPathExtent);
p=images;
for ( ; GetNextImageInList(p) != (Image *) NULL; p=GetNextImageInList(p))
if (p->scene >= GetNextImageInList(p)->scene)
{
register ssize_t
i;
/*
Generate consistent scene numbers.
*/
i=(ssize_t) images->scene;
for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
p->scene=(size_t) i++;
break;
}
/*
Write images.
*/
status=MagickTrue;
progress_monitor=(MagickProgressMonitor) NULL;
progress=0;
number_images=GetImageListLength(images);
for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
{
if (number_images != 1)
progress_monitor=SetImageProgressMonitor(p,(MagickProgressMonitor) NULL,
p->client_data);
status&=WriteImage(write_info,p,exception);
if (number_images != 1)
(void) SetImageProgressMonitor(p,progress_monitor,p->client_data);
if (write_info->adjoin != MagickFalse)
break;
if (number_images != 1)
{
proceed=SetImageProgress(p,WriteImageTag,progress++,number_images);
if (proceed == MagickFalse)
break;
}
}
write_info=DestroyImageInfo(write_info);
return(status != 0 ? MagickTrue : MagickFalse);
}
|
CWE-476
| 182,029 | 3,401 |
295077649590654418528501647104433259731
| null | null | null |
ImageMagick
|
7b1cf5784b5bcd85aa9293ecf56769f68c037231
| 1 |
MagickExport Image *SpliceImage(const Image *image,
const RectangleInfo *geometry,ExceptionInfo *exception)
{
#define SpliceImageTag "Splice/Image"
CacheView
*image_view,
*splice_view;
Image
*splice_image;
MagickBooleanType
status;
MagickOffsetType
progress;
RectangleInfo
splice_geometry;
ssize_t
y;
/*
Allocate splice image.
*/
assert(image != (const Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(geometry != (const RectangleInfo *) NULL);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
splice_geometry=(*geometry);
splice_image=CloneImage(image,image->columns+splice_geometry.width,
image->rows+splice_geometry.height,MagickTrue,exception);
if (splice_image == (Image *) NULL)
return((Image *) NULL);
if (SetImageStorageClass(splice_image,DirectClass,exception) == MagickFalse)
{
splice_image=DestroyImage(splice_image);
return((Image *) NULL);
}
if ((IsPixelInfoGray(&splice_image->background_color) == MagickFalse) &&
(IsGrayColorspace(splice_image->colorspace) != MagickFalse))
(void) SetImageColorspace(splice_image,sRGBColorspace,exception);
if ((splice_image->background_color.alpha_trait != UndefinedPixelTrait) &&
(splice_image->alpha_trait == UndefinedPixelTrait))
(void) SetImageAlpha(splice_image,OpaqueAlpha,exception);
(void) SetImageBackgroundColor(splice_image,exception);
/*
Respect image geometry.
*/
switch (image->gravity)
{
default:
case UndefinedGravity:
case NorthWestGravity:
break;
case NorthGravity:
{
splice_geometry.x+=(ssize_t) splice_geometry.width/2;
break;
}
case NorthEastGravity:
{
splice_geometry.x+=(ssize_t) splice_geometry.width;
break;
}
case WestGravity:
{
splice_geometry.y+=(ssize_t) splice_geometry.width/2;
break;
}
case CenterGravity:
{
splice_geometry.x+=(ssize_t) splice_geometry.width/2;
splice_geometry.y+=(ssize_t) splice_geometry.height/2;
break;
}
case EastGravity:
{
splice_geometry.x+=(ssize_t) splice_geometry.width;
splice_geometry.y+=(ssize_t) splice_geometry.height/2;
break;
}
case SouthWestGravity:
{
splice_geometry.y+=(ssize_t) splice_geometry.height;
break;
}
case SouthGravity:
{
splice_geometry.x+=(ssize_t) splice_geometry.width/2;
splice_geometry.y+=(ssize_t) splice_geometry.height;
break;
}
case SouthEastGravity:
{
splice_geometry.x+=(ssize_t) splice_geometry.width;
splice_geometry.y+=(ssize_t) splice_geometry.height;
break;
}
}
/*
Splice image.
*/
status=MagickTrue;
progress=0;
image_view=AcquireVirtualCacheView(image,exception);
splice_view=AcquireAuthenticCacheView(splice_image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(progress,status) \
magick_threads(image,splice_image,1,1)
#endif
for (y=0; y < (ssize_t) splice_geometry.y; y++)
{
register const Quantum
*restrict p;
register ssize_t
x;
register Quantum
*restrict q;
if (status == MagickFalse)
continue;
p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
q=QueueCacheViewAuthenticPixels(splice_view,0,y,splice_image->columns,1,
exception);
if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
{
status=MagickFalse;
continue;
}
for (x=0; x < splice_geometry.x; x++)
{
register ssize_t
i;
if (GetPixelReadMask(image,p) == 0)
{
SetPixelBackgoundColor(splice_image,q);
p+=GetPixelChannels(image);
q+=GetPixelChannels(splice_image);
continue;
}
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
PixelChannel channel=GetPixelChannelChannel(image,i);
PixelTrait traits=GetPixelChannelTraits(image,channel);
PixelTrait splice_traits=GetPixelChannelTraits(splice_image,channel);
if ((traits == UndefinedPixelTrait) ||
(splice_traits == UndefinedPixelTrait))
continue;
SetPixelChannel(splice_image,channel,p[i],q);
}
SetPixelRed(splice_image,GetPixelRed(image,p),q);
SetPixelGreen(splice_image,GetPixelGreen(image,p),q);
SetPixelBlue(splice_image,GetPixelBlue(image,p),q);
SetPixelAlpha(splice_image,GetPixelAlpha(image,p),q);
p+=GetPixelChannels(image);
q+=GetPixelChannels(splice_image);
}
for ( ; x < (ssize_t) (splice_geometry.x+splice_geometry.width); x++)
q+=GetPixelChannels(splice_image);
for ( ; x < (ssize_t) splice_image->columns; x++)
{
register ssize_t
i;
if (GetPixelReadMask(image,p) == 0)
{
SetPixelBackgoundColor(splice_image,q);
p+=GetPixelChannels(image);
q+=GetPixelChannels(splice_image);
continue;
}
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
PixelChannel channel=GetPixelChannelChannel(image,i);
PixelTrait traits=GetPixelChannelTraits(image,channel);
PixelTrait splice_traits=GetPixelChannelTraits(splice_image,channel);
if ((traits == UndefinedPixelTrait) ||
(splice_traits == UndefinedPixelTrait))
continue;
SetPixelChannel(splice_image,channel,p[i],q);
}
SetPixelRed(splice_image,GetPixelRed(image,p),q);
SetPixelGreen(splice_image,GetPixelGreen(image,p),q);
SetPixelBlue(splice_image,GetPixelBlue(image,p),q);
SetPixelAlpha(splice_image,GetPixelAlpha(image,p),q);
p+=GetPixelChannels(image);
q+=GetPixelChannels(splice_image);
}
if (SyncCacheViewAuthenticPixels(splice_view,exception) == MagickFalse)
status=MagickFalse;
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
MagickBooleanType
proceed;
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp critical (MagickCore_TransposeImage)
#endif
proceed=SetImageProgress(image,SpliceImageTag,progress++,
splice_image->rows);
if (proceed == MagickFalse)
status=MagickFalse;
}
}
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(progress,status) \
magick_threads(image,splice_image,1,1)
#endif
for (y=(ssize_t) (splice_geometry.y+splice_geometry.height);
y < (ssize_t) splice_image->rows; y++)
{
register const Quantum
*restrict p;
register ssize_t
x;
register Quantum
*restrict q;
if (status == MagickFalse)
continue;
p=GetCacheViewVirtualPixels(image_view,0,y-(ssize_t) splice_geometry.height,
image->columns,1,exception);
if ((y < 0) || (y >= (ssize_t) splice_image->rows))
continue;
q=QueueCacheViewAuthenticPixels(splice_view,0,y,splice_image->columns,1,
exception);
if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
{
status=MagickFalse;
continue;
}
for (x=0; x < splice_geometry.x; x++)
{
register ssize_t
i;
if (GetPixelReadMask(image,q) == 0)
{
SetPixelBackgoundColor(splice_image,q);
p+=GetPixelChannels(image);
q+=GetPixelChannels(splice_image);
continue;
}
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
PixelChannel channel=GetPixelChannelChannel(image,i);
PixelTrait traits=GetPixelChannelTraits(image,channel);
PixelTrait splice_traits=GetPixelChannelTraits(splice_image,channel);
if ((traits == UndefinedPixelTrait) ||
(splice_traits == UndefinedPixelTrait))
continue;
SetPixelChannel(splice_image,channel,p[i],q);
}
SetPixelRed(splice_image,GetPixelRed(image,p),q);
SetPixelGreen(splice_image,GetPixelGreen(image,p),q);
SetPixelBlue(splice_image,GetPixelBlue(image,p),q);
SetPixelAlpha(splice_image,GetPixelAlpha(image,p),q);
p+=GetPixelChannels(image);
q+=GetPixelChannels(splice_image);
}
for ( ; x < (ssize_t) (splice_geometry.x+splice_geometry.width); x++)
q+=GetPixelChannels(splice_image);
for ( ; x < (ssize_t) splice_image->columns; x++)
{
register ssize_t
i;
if (GetPixelReadMask(image,q) == 0)
{
SetPixelBackgoundColor(splice_image,q);
p+=GetPixelChannels(image);
q+=GetPixelChannels(splice_image);
continue;
}
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
PixelChannel channel=GetPixelChannelChannel(image,i);
PixelTrait traits=GetPixelChannelTraits(image,channel);
PixelTrait splice_traits=GetPixelChannelTraits(splice_image,channel);
if ((traits == UndefinedPixelTrait) ||
(splice_traits == UndefinedPixelTrait))
continue;
SetPixelChannel(splice_image,channel,p[i],q);
}
SetPixelRed(splice_image,GetPixelRed(image,p),q);
SetPixelGreen(splice_image,GetPixelGreen(image,p),q);
SetPixelBlue(splice_image,GetPixelBlue(image,p),q);
SetPixelAlpha(splice_image,GetPixelAlpha(image,p),q);
p+=GetPixelChannels(image);
q+=GetPixelChannels(splice_image);
}
if (SyncCacheViewAuthenticPixels(splice_view,exception) == MagickFalse)
status=MagickFalse;
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
MagickBooleanType
proceed;
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp critical (MagickCore_TransposeImage)
#endif
proceed=SetImageProgress(image,SpliceImageTag,progress++,
splice_image->rows);
if (proceed == MagickFalse)
status=MagickFalse;
}
}
splice_view=DestroyCacheView(splice_view);
image_view=DestroyCacheView(image_view);
if (status == MagickFalse)
splice_image=DestroyImage(splice_image);
return(splice_image);
}
|
CWE-125
| 182,030 | 3,402 |
15111872907779805209844358535824892731
| null | null | null |
ImageMagick
|
0f6fc2d5bf8f500820c3dbcf0d23ee14f2d9f734
| 1 |
static MagickBooleanType WritePICTImage(const ImageInfo *image_info,
Image *image,ExceptionInfo *exception)
{
#define MaxCount 128
#define PictCropRegionOp 0x01
#define PictEndOfPictureOp 0xff
#define PictJPEGOp 0x8200
#define PictInfoOp 0x0C00
#define PictInfoSize 512
#define PictPixmapOp 0x9A
#define PictPICTOp 0x98
#define PictVersion 0x11
const StringInfo
*profile;
double
x_resolution,
y_resolution;
MagickBooleanType
status;
MagickOffsetType
offset;
PICTPixmap
pixmap;
PICTRectangle
bounds,
crop_rectangle,
destination_rectangle,
frame_rectangle,
size_rectangle,
source_rectangle;
register const Quantum
*p;
register ssize_t
i,
x;
size_t
bytes_per_line,
count,
storage_class;
ssize_t
y;
unsigned char
*buffer,
*packed_scanline,
*scanline;
unsigned short
base_address,
row_bytes,
transfer_mode;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if ((image->columns > 65535L) || (image->rows > 65535L))
ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
if (status == MagickFalse)
return(status);
(void) TransformImageColorspace(image,sRGBColorspace,exception);
/*
Initialize image info.
*/
size_rectangle.top=0;
size_rectangle.left=0;
size_rectangle.bottom=(short) image->rows;
size_rectangle.right=(short) image->columns;
frame_rectangle=size_rectangle;
crop_rectangle=size_rectangle;
source_rectangle=size_rectangle;
destination_rectangle=size_rectangle;
base_address=0xff;
row_bytes=(unsigned short) (image->columns | 0x8000);
bounds.top=0;
bounds.left=0;
bounds.bottom=(short) image->rows;
bounds.right=(short) image->columns;
pixmap.version=0;
pixmap.pack_type=0;
pixmap.pack_size=0;
pixmap.pixel_type=0;
pixmap.bits_per_pixel=8;
pixmap.component_count=1;
pixmap.component_size=8;
pixmap.plane_bytes=0;
pixmap.table=0;
pixmap.reserved=0;
transfer_mode=0;
x_resolution=image->resolution.x != 0.0 ? image->resolution.x :
DefaultResolution;
y_resolution=image->resolution.y != 0.0 ? image->resolution.y :
DefaultResolution;
storage_class=image->storage_class;
if (image_info->compression == JPEGCompression)
storage_class=DirectClass;
if (storage_class == DirectClass)
{
pixmap.component_count=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
pixmap.pixel_type=16;
pixmap.bits_per_pixel=32;
pixmap.pack_type=0x04;
transfer_mode=0x40;
row_bytes=(unsigned short) ((4*image->columns) | 0x8000);
}
/*
Allocate memory.
*/
bytes_per_line=image->columns;
if (storage_class == DirectClass)
bytes_per_line*=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
buffer=(unsigned char *) AcquireQuantumMemory(PictInfoSize,sizeof(*buffer));
packed_scanline=(unsigned char *) AcquireQuantumMemory((size_t)
(row_bytes+MaxCount),sizeof(*packed_scanline));
scanline=(unsigned char *) AcquireQuantumMemory(row_bytes,sizeof(*scanline));
if ((buffer == (unsigned char *) NULL) ||
(packed_scanline == (unsigned char *) NULL) ||
(scanline == (unsigned char *) NULL))
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
(void) ResetMagickMemory(scanline,0,row_bytes);
(void) ResetMagickMemory(packed_scanline,0,(size_t) (row_bytes+MaxCount));
/*
Write header, header size, size bounding box, version, and reserved.
*/
(void) ResetMagickMemory(buffer,0,PictInfoSize);
(void) WriteBlob(image,PictInfoSize,buffer);
(void) WriteBlobMSBShort(image,0);
(void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.top);
(void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.left);
(void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.bottom);
(void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.right);
(void) WriteBlobMSBShort(image,PictVersion);
(void) WriteBlobMSBShort(image,0x02ff); /* version #2 */
(void) WriteBlobMSBShort(image,PictInfoOp);
(void) WriteBlobMSBLong(image,0xFFFE0000UL);
/*
Write full size of the file, resolution, frame bounding box, and reserved.
*/
(void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
(void) WriteBlobMSBShort(image,0x0000);
(void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
(void) WriteBlobMSBShort(image,0x0000);
(void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.top);
(void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.left);
(void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.bottom);
(void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.right);
(void) WriteBlobMSBLong(image,0x00000000L);
profile=GetImageProfile(image,"iptc");
if (profile != (StringInfo *) NULL)
{
(void) WriteBlobMSBShort(image,0xa1);
(void) WriteBlobMSBShort(image,0x1f2);
(void) WriteBlobMSBShort(image,(unsigned short)
(GetStringInfoLength(profile)+4));
(void) WriteBlobString(image,"8BIM");
(void) WriteBlob(image,GetStringInfoLength(profile),
GetStringInfoDatum(profile));
}
profile=GetImageProfile(image,"icc");
if (profile != (StringInfo *) NULL)
{
(void) WriteBlobMSBShort(image,0xa1);
(void) WriteBlobMSBShort(image,0xe0);
(void) WriteBlobMSBShort(image,(unsigned short)
(GetStringInfoLength(profile)+4));
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlob(image,GetStringInfoLength(profile),
GetStringInfoDatum(profile));
(void) WriteBlobMSBShort(image,0xa1);
(void) WriteBlobMSBShort(image,0xe0);
(void) WriteBlobMSBShort(image,4);
(void) WriteBlobMSBLong(image,0x00000002UL);
}
/*
Write crop region opcode and crop bounding box.
*/
(void) WriteBlobMSBShort(image,PictCropRegionOp);
(void) WriteBlobMSBShort(image,0xa);
(void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.top);
(void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.left);
(void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.bottom);
(void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.right);
if (image_info->compression == JPEGCompression)
{
Image
*jpeg_image;
ImageInfo
*jpeg_info;
size_t
length;
unsigned char
*blob;
jpeg_image=CloneImage(image,0,0,MagickTrue,exception);
if (jpeg_image == (Image *) NULL)
{
(void) CloseBlob(image);
return(MagickFalse);
}
jpeg_info=CloneImageInfo(image_info);
(void) CopyMagickString(jpeg_info->magick,"JPEG",MagickPathExtent);
length=0;
blob=(unsigned char *) ImageToBlob(jpeg_info,jpeg_image,&length,
exception);
jpeg_info=DestroyImageInfo(jpeg_info);
if (blob == (unsigned char *) NULL)
return(MagickFalse);
jpeg_image=DestroyImage(jpeg_image);
(void) WriteBlobMSBShort(image,PictJPEGOp);
(void) WriteBlobMSBLong(image,(unsigned int) length+154);
(void) WriteBlobMSBShort(image,0x0000);
(void) WriteBlobMSBLong(image,0x00010000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00010000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x40000000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00400000UL);
(void) WriteBlobMSBShort(image,0x0000);
(void) WriteBlobMSBShort(image,(unsigned short) image->rows);
(void) WriteBlobMSBShort(image,(unsigned short) image->columns);
(void) WriteBlobMSBShort(image,0x0000);
(void) WriteBlobMSBShort(image,768);
(void) WriteBlobMSBShort(image,0x0000);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00566A70UL);
(void) WriteBlobMSBLong(image,0x65670000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00000001UL);
(void) WriteBlobMSBLong(image,0x00016170UL);
(void) WriteBlobMSBLong(image,0x706C0000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBShort(image,768);
(void) WriteBlobMSBShort(image,(unsigned short) image->columns);
(void) WriteBlobMSBShort(image,(unsigned short) image->rows);
(void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
(void) WriteBlobMSBShort(image,0x0000);
(void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x87AC0001UL);
(void) WriteBlobMSBLong(image,0x0B466F74UL);
(void) WriteBlobMSBLong(image,0x6F202D20UL);
(void) WriteBlobMSBLong(image,0x4A504547UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x00000000UL);
(void) WriteBlobMSBLong(image,0x0018FFFFUL);
(void) WriteBlob(image,length,blob);
if ((length & 0x01) != 0)
(void) WriteBlobByte(image,'\0');
blob=(unsigned char *) RelinquishMagickMemory(blob);
}
/*
Write picture opcode, row bytes, and picture bounding box, and version.
*/
if (storage_class == PseudoClass)
(void) WriteBlobMSBShort(image,PictPICTOp);
else
{
(void) WriteBlobMSBShort(image,PictPixmapOp);
(void) WriteBlobMSBLong(image,(size_t) base_address);
}
(void) WriteBlobMSBShort(image,(unsigned short) (row_bytes | 0x8000));
(void) WriteBlobMSBShort(image,(unsigned short) bounds.top);
(void) WriteBlobMSBShort(image,(unsigned short) bounds.left);
(void) WriteBlobMSBShort(image,(unsigned short) bounds.bottom);
(void) WriteBlobMSBShort(image,(unsigned short) bounds.right);
/*
Write pack type, pack size, resolution, pixel type, and pixel size.
*/
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.version);
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.pack_type);
(void) WriteBlobMSBLong(image,(unsigned int) pixmap.pack_size);
(void) WriteBlobMSBShort(image,(unsigned short) (x_resolution+0.5));
(void) WriteBlobMSBShort(image,0x0000);
(void) WriteBlobMSBShort(image,(unsigned short) (y_resolution+0.5));
(void) WriteBlobMSBShort(image,0x0000);
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.pixel_type);
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.bits_per_pixel);
/*
Write component count, size, plane bytes, table size, and reserved.
*/
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_count);
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_size);
(void) WriteBlobMSBLong(image,(unsigned int) pixmap.plane_bytes);
(void) WriteBlobMSBLong(image,(unsigned int) pixmap.table);
(void) WriteBlobMSBLong(image,(unsigned int) pixmap.reserved);
if (storage_class == PseudoClass)
{
/*
Write image colormap.
*/
(void) WriteBlobMSBLong(image,0x00000000L); /* color seed */
(void) WriteBlobMSBShort(image,0L); /* color flags */
(void) WriteBlobMSBShort(image,(unsigned short) (image->colors-1));
for (i=0; i < (ssize_t) image->colors; i++)
{
(void) WriteBlobMSBShort(image,(unsigned short) i);
(void) WriteBlobMSBShort(image,ScaleQuantumToShort(
image->colormap[i].red));
(void) WriteBlobMSBShort(image,ScaleQuantumToShort(
image->colormap[i].green));
(void) WriteBlobMSBShort(image,ScaleQuantumToShort(
image->colormap[i].blue));
}
}
/*
Write source and destination rectangle.
*/
(void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.top);
(void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.left);
(void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.bottom);
(void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.right);
(void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.top);
(void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.left);
(void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.bottom);
(void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.right);
(void) WriteBlobMSBShort(image,(unsigned short) transfer_mode);
/*
Write picture data.
*/
count=0;
if (storage_class == PseudoClass)
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
scanline[x]=(unsigned char) GetPixelIndex(image,p);
p+=GetPixelChannels(image);
}
count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
packed_scanline);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
else
if (image_info->compression == JPEGCompression)
{
(void) ResetMagickMemory(scanline,0,row_bytes);
for (y=0; y < (ssize_t) image->rows; y++)
count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
packed_scanline);
}
else
{
register unsigned char
*blue,
*green,
*opacity,
*red;
red=scanline;
green=scanline+image->columns;
blue=scanline+2*image->columns;
opacity=scanline+3*image->columns;
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
red=scanline;
green=scanline+image->columns;
blue=scanline+2*image->columns;
if (image->alpha_trait != UndefinedPixelTrait)
{
opacity=scanline;
red=scanline+image->columns;
green=scanline+2*image->columns;
blue=scanline+3*image->columns;
}
for (x=0; x < (ssize_t) image->columns; x++)
{
*red++=ScaleQuantumToChar(GetPixelRed(image,p));
*green++=ScaleQuantumToChar(GetPixelGreen(image,p));
*blue++=ScaleQuantumToChar(GetPixelBlue(image,p));
if (image->alpha_trait != UndefinedPixelTrait)
*opacity++=ScaleQuantumToChar((Quantum) (GetPixelAlpha(image,p)));
p+=GetPixelChannels(image);
}
count+=EncodeImage(image,scanline,bytes_per_line & 0x7FFF,
packed_scanline);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
}
if ((count & 0x01) != 0)
(void) WriteBlobByte(image,'\0');
(void) WriteBlobMSBShort(image,PictEndOfPictureOp);
offset=TellBlob(image);
offset=SeekBlob(image,512,SEEK_SET);
(void) WriteBlobMSBShort(image,(unsigned short) offset);
scanline=(unsigned char *) RelinquishMagickMemory(scanline);
packed_scanline=(unsigned char *) RelinquishMagickMemory(packed_scanline);
buffer=(unsigned char *) RelinquishMagickMemory(buffer);
(void) CloseBlob(image);
return(MagickTrue);
}
|
CWE-189
| 182,036 | 3,408 |
268543993326910665529000625352797706014
| null | null | null |
ImageMagick
|
4f68e9661518463fca523c9726bb5d940a2aa6d8
| 1 |
static Image *ReadTGAImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
Image
*image;
MagickBooleanType
status;
PixelInfo
pixel;
Quantum
index;
register Quantum
*q;
register ssize_t
i,
x;
size_t
base,
flag,
offset,
real,
skip;
ssize_t
count,
y;
TGAInfo
tga_info;
unsigned char
j,
k,
pixels[4],
runlength;
unsigned int
alpha_bits;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Read TGA header information.
*/
count=ReadBlob(image,1,&tga_info.id_length);
tga_info.colormap_type=(unsigned char) ReadBlobByte(image);
tga_info.image_type=(TGAImageType) ReadBlobByte(image);
if ((count != 1) ||
((tga_info.image_type != TGAColormap) &&
(tga_info.image_type != TGARGB) &&
(tga_info.image_type != TGAMonochrome) &&
(tga_info.image_type != TGARLEColormap) &&
(tga_info.image_type != TGARLERGB) &&
(tga_info.image_type != TGARLEMonochrome)) ||
(((tga_info.image_type == TGAColormap) ||
(tga_info.image_type == TGARLEColormap)) &&
(tga_info.colormap_type == 0)))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
tga_info.colormap_index=ReadBlobLSBShort(image);
tga_info.colormap_length=ReadBlobLSBShort(image);
tga_info.colormap_size=(unsigned char) ReadBlobByte(image);
tga_info.x_origin=ReadBlobLSBShort(image);
tga_info.y_origin=ReadBlobLSBShort(image);
tga_info.width=(unsigned short) ReadBlobLSBShort(image);
tga_info.height=(unsigned short) ReadBlobLSBShort(image);
tga_info.bits_per_pixel=(unsigned char) ReadBlobByte(image);
tga_info.attributes=(unsigned char) ReadBlobByte(image);
if (EOFBlob(image) != MagickFalse)
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
if ((((tga_info.bits_per_pixel <= 1) || (tga_info.bits_per_pixel >= 17)) &&
(tga_info.bits_per_pixel != 24) && (tga_info.bits_per_pixel != 32)))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
/*
Initialize image structure.
*/
image->columns=tga_info.width;
image->rows=tga_info.height;
alpha_bits=(tga_info.attributes & 0x0FU);
image->alpha_trait=(alpha_bits > 0) || (tga_info.bits_per_pixel == 32) ||
(tga_info.colormap_size == 32) ? BlendPixelTrait : UndefinedPixelTrait;
if ((tga_info.image_type != TGAColormap) &&
(tga_info.image_type != TGARLEColormap))
image->depth=(size_t) ((tga_info.bits_per_pixel <= 8) ? 8 :
(tga_info.bits_per_pixel <= 16) ? 5 :
(tga_info.bits_per_pixel == 24) ? 8 :
(tga_info.bits_per_pixel == 32) ? 8 : 8);
else
image->depth=(size_t) ((tga_info.colormap_size <= 8) ? 8 :
(tga_info.colormap_size <= 16) ? 5 :
(tga_info.colormap_size == 24) ? 8 :
(tga_info.colormap_size == 32) ? 8 : 8);
if ((tga_info.image_type == TGAColormap) ||
(tga_info.image_type == TGAMonochrome) ||
(tga_info.image_type == TGARLEColormap) ||
(tga_info.image_type == TGARLEMonochrome))
image->storage_class=PseudoClass;
image->compression=NoCompression;
if ((tga_info.image_type == TGARLEColormap) ||
(tga_info.image_type == TGARLEMonochrome) ||
(tga_info.image_type == TGARLERGB))
image->compression=RLECompression;
if (image->storage_class == PseudoClass)
{
if (tga_info.colormap_type != 0)
image->colors=tga_info.colormap_index+tga_info.colormap_length;
else
{
size_t
one;
one=1;
image->colors=one << tga_info.bits_per_pixel;
if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
}
if (tga_info.id_length != 0)
{
char
*comment;
size_t
length;
/*
TGA image comment.
*/
length=(size_t) tga_info.id_length;
comment=(char *) NULL;
if (~length >= (MagickPathExtent-1))
comment=(char *) AcquireQuantumMemory(length+MagickPathExtent,
sizeof(*comment));
if (comment == (char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
count=ReadBlob(image,tga_info.id_length,(unsigned char *) comment);
comment[tga_info.id_length]='\0';
(void) SetImageProperty(image,"comment",comment,exception);
comment=DestroyString(comment);
}
if (image_info->ping != MagickFalse)
{
(void) CloseBlob(image);
return(image);
}
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
(void) ResetMagickMemory(&pixel,0,sizeof(pixel));
pixel.alpha=(MagickRealType) OpaqueAlpha;
if (tga_info.colormap_type != 0)
{
/*
Read TGA raster colormap.
*/
if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
for (i=0; i < (ssize_t) tga_info.colormap_index; i++)
image->colormap[i]=pixel;
for ( ; i < (ssize_t) image->colors; i++)
{
switch (tga_info.colormap_size)
{
case 8:
default:
{
/*
Gray scale.
*/
pixel.red=(MagickRealType) ScaleCharToQuantum((unsigned char)
ReadBlobByte(image));
pixel.green=pixel.red;
pixel.blue=pixel.red;
break;
}
case 15:
case 16:
{
QuantumAny
range;
/*
5 bits each of red green and blue.
*/
j=(unsigned char) ReadBlobByte(image);
k=(unsigned char) ReadBlobByte(image);
range=GetQuantumRange(5UL);
pixel.red=(MagickRealType) ScaleAnyToQuantum(1UL*(k & 0x7c) >> 2,
range);
pixel.green=(MagickRealType) ScaleAnyToQuantum((1UL*(k & 0x03)
<< 3)+(1UL*(j & 0xe0) >> 5),range);
pixel.blue=(MagickRealType) ScaleAnyToQuantum(1UL*(j & 0x1f),range);
break;
}
case 24:
{
/*
8 bits each of blue, green and red.
*/
pixel.blue=(MagickRealType) ScaleCharToQuantum((unsigned char)
ReadBlobByte(image));
pixel.green=(MagickRealType) ScaleCharToQuantum((unsigned char)
ReadBlobByte(image));
pixel.red=(MagickRealType) ScaleCharToQuantum((unsigned char)
ReadBlobByte(image));
break;
}
case 32:
{
/*
8 bits each of blue, green, red, and alpha.
*/
pixel.blue=(MagickRealType) ScaleCharToQuantum((unsigned char)
ReadBlobByte(image));
pixel.green=(MagickRealType) ScaleCharToQuantum((unsigned char)
ReadBlobByte(image));
pixel.red=(MagickRealType) ScaleCharToQuantum((unsigned char)
ReadBlobByte(image));
pixel.alpha=(MagickRealType) ScaleCharToQuantum((unsigned char)
ReadBlobByte(image));
break;
}
}
image->colormap[i]=pixel;
}
}
/*
Convert TGA pixels to pixel packets.
*/
base=0;
flag=0;
skip=MagickFalse;
real=0;
index=0;
runlength=0;
offset=0;
for (y=0; y < (ssize_t) image->rows; y++)
{
real=offset;
if (((unsigned char) (tga_info.attributes & 0x20) >> 5) == 0)
real=image->rows-real-1;
q=QueueAuthenticPixels(image,0,(ssize_t) real,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
if ((tga_info.image_type == TGARLEColormap) ||
(tga_info.image_type == TGARLERGB) ||
(tga_info.image_type == TGARLEMonochrome))
{
if (runlength != 0)
{
runlength--;
skip=flag != 0;
}
else
{
count=ReadBlob(image,1,&runlength);
if (count != 1)
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
flag=runlength & 0x80;
if (flag != 0)
runlength-=128;
skip=MagickFalse;
}
}
if (skip == MagickFalse)
switch (tga_info.bits_per_pixel)
{
case 8:
default:
{
/*
Gray scale.
*/
index=(Quantum) ReadBlobByte(image);
if (tga_info.colormap_type != 0)
pixel=image->colormap[(ssize_t) ConstrainColormapIndex(image,
(ssize_t) index,exception)];
else
{
pixel.red=(MagickRealType) ScaleCharToQuantum((unsigned char)
index);
pixel.green=(MagickRealType) ScaleCharToQuantum((unsigned char)
index);
pixel.blue=(MagickRealType) ScaleCharToQuantum((unsigned char)
index);
}
break;
}
case 15:
case 16:
{
QuantumAny
range;
/*
5 bits each of RGB.
*/
if (ReadBlob(image,2,pixels) != 2)
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
j=pixels[0];
k=pixels[1];
range=GetQuantumRange(5UL);
pixel.red=(MagickRealType) ScaleAnyToQuantum(1UL*(k & 0x7c) >> 2,
range);
pixel.green=(MagickRealType) ScaleAnyToQuantum((1UL*
(k & 0x03) << 3)+(1UL*(j & 0xe0) >> 5),range);
pixel.blue=(MagickRealType) ScaleAnyToQuantum(1UL*(j & 0x1f),range);
if (image->alpha_trait != UndefinedPixelTrait)
pixel.alpha=(MagickRealType) ((k & 0x80) == 0 ? (Quantum)
TransparentAlpha : (Quantum) OpaqueAlpha);
if (image->storage_class == PseudoClass)
index=(Quantum) ConstrainColormapIndex(image,((ssize_t) (k << 8))+
j,exception);
break;
}
case 24:
{
/*
BGR pixels.
*/
if (ReadBlob(image,3,pixels) != 3)
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
pixel.blue=(MagickRealType) ScaleCharToQuantum(pixels[0]);
pixel.green=(MagickRealType) ScaleCharToQuantum(pixels[1]);
pixel.red=(MagickRealType) ScaleCharToQuantum(pixels[2]);
break;
}
case 32:
{
/*
BGRA pixels.
*/
if (ReadBlob(image,4,pixels) != 4)
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
pixel.blue=(MagickRealType) ScaleCharToQuantum(pixels[0]);
pixel.green=(MagickRealType) ScaleCharToQuantum(pixels[1]);
pixel.red=(MagickRealType) ScaleCharToQuantum(pixels[2]);
pixel.alpha=(MagickRealType) ScaleCharToQuantum(pixels[3]);
break;
}
}
if (status == MagickFalse)
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
if (image->storage_class == PseudoClass)
SetPixelIndex(image,index,q);
SetPixelRed(image,ClampToQuantum(pixel.red),q);
SetPixelGreen(image,ClampToQuantum(pixel.green),q);
SetPixelBlue(image,ClampToQuantum(pixel.blue),q);
if (image->alpha_trait != UndefinedPixelTrait)
SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
q+=GetPixelChannels(image);
}
/*
if (((unsigned char) (tga_info.attributes & 0xc0) >> 6) == 4)
offset+=4;
else
*/
if (((unsigned char) (tga_info.attributes & 0xc0) >> 6) == 2)
offset+=2;
else
offset++;
if (offset >= image->rows)
{
base++;
offset=base;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
if (EOFBlob(image) != MagickFalse)
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
|
CWE-415
| 182,037 | 3,409 |
240609813257975788274912781633473276899
| null | null | null |
exfat
|
2e86ae5f81da11f11673d0546efb525af02b7786
| 1 |
int exfat_mount(struct exfat* ef, const char* spec, const char* options)
{
int rc;
enum exfat_mode mode;
exfat_tzset();
memset(ef, 0, sizeof(struct exfat));
parse_options(ef, options);
if (match_option(options, "ro"))
mode = EXFAT_MODE_RO;
else if (match_option(options, "ro_fallback"))
mode = EXFAT_MODE_ANY;
else
mode = EXFAT_MODE_RW;
ef->dev = exfat_open(spec, mode);
if (ef->dev == NULL)
return -EIO;
if (exfat_get_mode(ef->dev) == EXFAT_MODE_RO)
{
if (mode == EXFAT_MODE_ANY)
ef->ro = -1;
else
ef->ro = 1;
}
ef->sb = malloc(sizeof(struct exfat_super_block));
if (ef->sb == NULL)
{
exfat_close(ef->dev);
exfat_error("failed to allocate memory for the super block");
return -ENOMEM;
}
memset(ef->sb, 0, sizeof(struct exfat_super_block));
if (exfat_pread(ef->dev, ef->sb, sizeof(struct exfat_super_block), 0) < 0)
{
exfat_close(ef->dev);
free(ef->sb);
exfat_error("failed to read boot sector");
return -EIO;
}
if (memcmp(ef->sb->oem_name, "EXFAT ", 8) != 0)
{
exfat_close(ef->dev);
free(ef->sb);
exfat_error("exFAT file system is not found");
return -EIO;
}
ef->zero_cluster = malloc(CLUSTER_SIZE(*ef->sb));
if (ef->zero_cluster == NULL)
{
exfat_close(ef->dev);
free(ef->sb);
exfat_error("failed to allocate zero sector");
return -ENOMEM;
}
/* use zero_cluster as a temporary buffer for VBR checksum verification */
if (!verify_vbr_checksum(ef->dev, ef->zero_cluster, SECTOR_SIZE(*ef->sb)))
{
free(ef->zero_cluster);
exfat_close(ef->dev);
free(ef->sb);
return -EIO;
}
memset(ef->zero_cluster, 0, CLUSTER_SIZE(*ef->sb));
if (ef->sb->version.major != 1 || ef->sb->version.minor != 0)
{
free(ef->zero_cluster);
exfat_close(ef->dev);
exfat_error("unsupported exFAT version: %hhu.%hhu",
ef->sb->version.major, ef->sb->version.minor);
free(ef->sb);
return -EIO;
}
if (ef->sb->fat_count != 1)
{
free(ef->zero_cluster);
exfat_close(ef->dev);
exfat_error("unsupported FAT count: %hhu", ef->sb->fat_count);
free(ef->sb);
return -EIO;
}
/* officially exFAT supports cluster size up to 32 MB */
if ((int) ef->sb->sector_bits + (int) ef->sb->spc_bits > 25)
{
free(ef->zero_cluster);
exfat_close(ef->dev);
exfat_error("too big cluster size: 2^%d",
(int) ef->sb->sector_bits + (int) ef->sb->spc_bits);
free(ef->sb);
return -EIO;
}
if (le64_to_cpu(ef->sb->sector_count) * SECTOR_SIZE(*ef->sb) >
exfat_get_size(ef->dev))
{
/* this can cause I/O errors later but we don't fail mounting to let
user rescue data */
exfat_warn("file system is larger than underlying device: "
"%"PRIu64" > %"PRIu64,
le64_to_cpu(ef->sb->sector_count) * SECTOR_SIZE(*ef->sb),
exfat_get_size(ef->dev));
}
ef->root = malloc(sizeof(struct exfat_node));
if (ef->root == NULL)
{
free(ef->zero_cluster);
exfat_close(ef->dev);
free(ef->sb);
exfat_error("failed to allocate root node");
return -ENOMEM;
}
memset(ef->root, 0, sizeof(struct exfat_node));
ef->root->flags = EXFAT_ATTRIB_DIR;
ef->root->start_cluster = le32_to_cpu(ef->sb->rootdir_cluster);
ef->root->fptr_cluster = ef->root->start_cluster;
ef->root->name[0] = cpu_to_le16('\0');
ef->root->size = rootdir_size(ef);
if (ef->root->size == 0)
{
free(ef->root);
free(ef->zero_cluster);
exfat_close(ef->dev);
free(ef->sb);
return -EIO;
}
/* exFAT does not have time attributes for the root directory */
ef->root->mtime = 0;
ef->root->atime = 0;
/* always keep at least 1 reference to the root node */
exfat_get_node(ef->root);
rc = exfat_cache_directory(ef, ef->root);
if (rc != 0)
goto error;
if (ef->upcase == NULL)
{
exfat_error("upcase table is not found");
goto error;
}
if (ef->cmap.chunk == NULL)
{
exfat_error("clusters bitmap is not found");
goto error;
}
if (prepare_super_block(ef) != 0)
goto error;
return 0;
error:
exfat_put_node(ef, ef->root);
exfat_reset_cache(ef);
free(ef->root);
free(ef->zero_cluster);
exfat_close(ef->dev);
free(ef->sb);
return -EIO;
}
|
CWE-119
| 182,039 | 3,410 |
172240473177799049542475464072344329244
| null | null | null |
linux
|
4b2b64d5a6ebc84214755ebccd599baef7c1b798
| 1 |
setup_efi_state(struct boot_params *params, unsigned long params_load_addr,
unsigned int efi_map_offset, unsigned int efi_map_sz,
unsigned int efi_setup_data_offset)
{
struct efi_info *current_ei = &boot_params.efi_info;
struct efi_info *ei = ¶ms->efi_info;
if (!current_ei->efi_memmap_size)
return 0;
/*
* If 1:1 mapping is not enabled, second kernel can not setup EFI
* and use EFI run time services. User space will have to pass
* acpi_rsdp=<addr> on kernel command line to make second kernel boot
* without efi.
*/
if (efi_enabled(EFI_OLD_MEMMAP))
return 0;
ei->efi_loader_signature = current_ei->efi_loader_signature;
ei->efi_systab = current_ei->efi_systab;
ei->efi_systab_hi = current_ei->efi_systab_hi;
ei->efi_memdesc_version = current_ei->efi_memdesc_version;
ei->efi_memdesc_size = efi_get_runtime_map_desc_size();
setup_efi_info_memmap(params, params_load_addr, efi_map_offset,
efi_map_sz);
prepare_add_efi_setup_data(params, params_load_addr,
efi_setup_data_offset);
return 0;
}
|
CWE-254
| 182,040 | 3,411 |
305796494330244688736635532421378777587
| null | null | null |
pgbouncer
|
7ca3e5279d05fceb1e8a043c6f5b6f58dea3ed38
| 1 |
static void start_auth_request(PgSocket *client, const char *username)
{
int res;
PktBuf *buf;
client->auth_user = client->db->auth_user;
/* have to fetch user info from db */
client->pool = get_pool(client->db, client->db->auth_user);
if (!find_server(client)) {
client->wait_for_user_conn = true;
return;
}
slog_noise(client, "Doing auth_conn query");
client->wait_for_user_conn = false;
client->wait_for_user = true;
if (!sbuf_pause(&client->sbuf)) {
release_server(client->link);
disconnect_client(client, true, "pause failed");
return;
}
client->link->ready = 0;
res = 0;
buf = pktbuf_dynamic(512);
if (buf) {
pktbuf_write_ExtQuery(buf, cf_auth_query, 1, username);
res = pktbuf_send_immediate(buf, client->link);
pktbuf_free(buf);
/*
* Should do instead:
* res = pktbuf_send_queued(buf, client->link);
* but that needs better integration with SBuf.
*/
}
if (!res)
disconnect_server(client->link, false, "unable to send login query");
}
|
CWE-287
| 182,043 | 3,414 |
192440722953440747148328445456660892413
| null | null | null |
jasper
|
df5d2867e8004e51e18b89865bc4aa69229227b3
| 1 |
static int mif_process_cmpt(mif_hdr_t *hdr, char *buf)
{
jas_tvparser_t *tvp;
mif_cmpt_t *cmpt;
int id;
cmpt = 0;
tvp = 0;
if (!(cmpt = mif_cmpt_create())) {
goto error;
}
cmpt->tlx = 0;
cmpt->tly = 0;
cmpt->sampperx = 0;
cmpt->samppery = 0;
cmpt->width = 0;
cmpt->height = 0;
cmpt->prec = 0;
cmpt->sgnd = -1;
cmpt->data = 0;
if (!(tvp = jas_tvparser_create(buf))) {
goto error;
}
while (!(id = jas_tvparser_next(tvp))) {
switch (jas_taginfo_nonull(jas_taginfos_lookup(mif_tags,
jas_tvparser_gettag(tvp)))->id) {
case MIF_TLX:
cmpt->tlx = atoi(jas_tvparser_getval(tvp));
break;
case MIF_TLY:
cmpt->tly = atoi(jas_tvparser_getval(tvp));
break;
case MIF_WIDTH:
cmpt->width = atoi(jas_tvparser_getval(tvp));
break;
case MIF_HEIGHT:
cmpt->height = atoi(jas_tvparser_getval(tvp));
break;
case MIF_HSAMP:
cmpt->sampperx = atoi(jas_tvparser_getval(tvp));
break;
case MIF_VSAMP:
cmpt->samppery = atoi(jas_tvparser_getval(tvp));
break;
case MIF_PREC:
cmpt->prec = atoi(jas_tvparser_getval(tvp));
break;
case MIF_SGND:
cmpt->sgnd = atoi(jas_tvparser_getval(tvp));
break;
case MIF_DATA:
if (!(cmpt->data = jas_strdup(jas_tvparser_getval(tvp)))) {
return -1;
}
break;
}
}
jas_tvparser_destroy(tvp);
if (!cmpt->sampperx || !cmpt->samppery) {
goto error;
}
if (mif_hdr_addcmpt(hdr, hdr->numcmpts, cmpt)) {
goto error;
}
return 0;
error:
if (cmpt) {
mif_cmpt_destroy(cmpt);
}
if (tvp) {
jas_tvparser_destroy(tvp);
}
return -1;
}
|
CWE-416
| 182,046 | 3,416 |
219089908130942344516320974978961104396
| null | null | null |
pgbouncer
|
74d6e5f7de5ec736f71204b7b422af7380c19ac5
| 1 |
static bool handle_client_startup(PgSocket *client, PktHdr *pkt)
{
const char *passwd;
const uint8_t *key;
bool ok;
SBuf *sbuf = &client->sbuf;
/* don't tolerate partial packets */
if (incomplete_pkt(pkt)) {
disconnect_client(client, true, "client sent partial pkt in startup phase");
return false;
}
if (client->wait_for_welcome) {
if (finish_client_login(client)) {
/* the packet was already parsed */
sbuf_prepare_skip(sbuf, pkt->len);
return true;
} else
return false;
}
switch (pkt->type) {
case PKT_SSLREQ:
slog_noise(client, "C: req SSL");
slog_noise(client, "P: nak");
/* reject SSL attempt */
if (!sbuf_answer(&client->sbuf, "N", 1)) {
disconnect_client(client, false, "failed to nak SSL");
return false;
}
break;
case PKT_STARTUP_V2:
disconnect_client(client, true, "Old V2 protocol not supported");
return false;
case PKT_STARTUP:
if (client->pool) {
disconnect_client(client, true, "client re-sent startup pkt");
return false;
}
if (!decide_startup_pool(client, pkt))
return false;
if (client->pool->db->admin) {
if (!admin_pre_login(client))
return false;
}
if (cf_auth_type <= AUTH_TRUST || client->own_user) {
if (!finish_client_login(client))
return false;
} else {
if (!send_client_authreq(client)) {
disconnect_client(client, false, "failed to send auth req");
return false;
}
}
break;
case 'p': /* PasswordMessage */
/* haven't requested it */
if (cf_auth_type <= AUTH_TRUST) {
disconnect_client(client, true, "unrequested passwd pkt");
return false;
}
ok = mbuf_get_string(&pkt->data, &passwd);
if (ok && check_client_passwd(client, passwd)) {
if (!finish_client_login(client))
return false;
} else {
disconnect_client(client, true, "Auth failed");
return false;
}
break;
case PKT_CANCEL:
if (mbuf_avail_for_read(&pkt->data) == BACKENDKEY_LEN
&& mbuf_get_bytes(&pkt->data, BACKENDKEY_LEN, &key))
{
memcpy(client->cancel_key, key, BACKENDKEY_LEN);
accept_cancel_request(client);
} else
disconnect_client(client, false, "bad cancel request");
return false;
default:
disconnect_client(client, false, "bad packet");
return false;
}
sbuf_prepare_skip(sbuf, pkt->len);
client->request_time = get_cached_time();
return true;
}
|
CWE-476
| 182,055 | 3,421 |
278553822929822733627743524386683463620
| null | null | null |
proxychains-ng
|
9ab7dbeb3baff67a51d0c5e71465c453be0890b5#diff-803c5170888b8642f2a97e5e9423d399
| 1 |
static void set_own_dir(const char *argv0) {
size_t l = strlen(argv0);
while(l && argv0[l - 1] != '/')
l--;
if(l == 0)
memcpy(own_dir, ".", 2);
else {
memcpy(own_dir, argv0, l - 1);
own_dir[l] = 0;
}
}
|
CWE-426
| 182,056 | 3,422 |
100122726235492767751741943313907102232
| null | null | null |
abrt
|
17cb66b13997b0159b4253b3f5722db79f476d68
| 1 |
int main(int argc, char** argv)
{
/* Kernel starts us with all fd's closed.
* But it's dangerous:
* fprintf(stderr) can dump messages into random fds, etc.
* Ensure that if any of fd 0,1,2 is closed, we open it to /dev/null.
*/
int fd = xopen("/dev/null", O_RDWR);
while (fd < 2)
fd = xdup(fd);
if (fd > 2)
close(fd);
if (argc < 8)
{
/* percent specifier: %s %c %p %u %g %t %e %h */
/* argv: [0] [1] [2] [3] [4] [5] [6] [7] [8]*/
error_msg_and_die("Usage: %s SIGNO CORE_SIZE_LIMIT PID UID GID TIME BINARY_NAME [HOSTNAME]", argv[0]);
}
/* Not needed on 2.6.30.
* At least 2.6.18 has a bug where
* argv[1] = "SIGNO CORE_SIZE_LIMIT PID ..."
* argv[2] = "CORE_SIZE_LIMIT PID ..."
* and so on. Fixing it:
*/
if (strchr(argv[1], ' '))
{
int i;
for (i = 1; argv[i]; i++)
{
strchrnul(argv[i], ' ')[0] = '\0';
}
}
logmode = LOGMODE_JOURNAL;
/* Parse abrt.conf */
load_abrt_conf();
/* ... and plugins/CCpp.conf */
bool setting_MakeCompatCore;
bool setting_SaveBinaryImage;
{
map_string_t *settings = new_map_string();
load_abrt_plugin_conf_file("CCpp.conf", settings);
const char *value;
value = get_map_string_item_or_NULL(settings, "MakeCompatCore");
setting_MakeCompatCore = value && string_to_bool(value);
value = get_map_string_item_or_NULL(settings, "SaveBinaryImage");
setting_SaveBinaryImage = value && string_to_bool(value);
value = get_map_string_item_or_NULL(settings, "VerboseLog");
if (value)
g_verbose = xatoi_positive(value);
free_map_string(settings);
}
errno = 0;
const char* signal_str = argv[1];
int signal_no = xatoi_positive(signal_str);
off_t ulimit_c = strtoull(argv[2], NULL, 10);
if (ulimit_c < 0) /* unlimited? */
{
/* set to max possible >0 value */
ulimit_c = ~((off_t)1 << (sizeof(off_t)*8-1));
}
const char *pid_str = argv[3];
pid_t pid = xatoi_positive(argv[3]);
uid_t uid = xatoi_positive(argv[4]);
if (errno || pid <= 0)
{
perror_msg_and_die("PID '%s' or limit '%s' is bogus", argv[3], argv[2]);
}
{
char *s = xmalloc_fopen_fgetline_fclose(VAR_RUN"/abrt/saved_core_pattern");
/* If we have a saved pattern and it's not a "|PROG ARGS" thing... */
if (s && s[0] != '|')
core_basename = s;
else
free(s);
}
struct utsname uts;
if (!argv[8]) /* no HOSTNAME? */
{
uname(&uts);
argv[8] = uts.nodename;
}
char path[PATH_MAX];
int src_fd_binary = -1;
char *executable = get_executable(pid, setting_SaveBinaryImage ? &src_fd_binary : NULL);
if (executable && strstr(executable, "/abrt-hook-ccpp"))
{
error_msg_and_die("PID %lu is '%s', not dumping it to avoid recursion",
(long)pid, executable);
}
user_pwd = get_cwd(pid); /* may be NULL on error */
log_notice("user_pwd:'%s'", user_pwd);
sprintf(path, "/proc/%lu/status", (long)pid);
proc_pid_status = xmalloc_xopen_read_close(path, /*maxsz:*/ NULL);
uid_t fsuid = uid;
uid_t tmp_fsuid = get_fsuid();
int suid_policy = dump_suid_policy();
if (tmp_fsuid != uid)
{
/* use root for suided apps unless it's explicitly set to UNSAFE */
fsuid = 0;
if (suid_policy == DUMP_SUID_UNSAFE)
{
fsuid = tmp_fsuid;
}
}
/* Open a fd to compat coredump, if requested and is possible */
if (setting_MakeCompatCore && ulimit_c != 0)
/* note: checks "user_pwd == NULL" inside; updates core_basename */
user_core_fd = open_user_core(uid, fsuid, pid, &argv[1]);
if (executable == NULL)
{
/* readlink on /proc/$PID/exe failed, don't create abrt dump dir */
error_msg("Can't read /proc/%lu/exe link", (long)pid);
goto create_user_core;
}
const char *signame = NULL;
switch (signal_no)
{
case SIGILL : signame = "ILL" ; break;
case SIGFPE : signame = "FPE" ; break;
case SIGSEGV: signame = "SEGV"; break;
case SIGBUS : signame = "BUS" ; break; //Bus error (bad memory access)
case SIGABRT: signame = "ABRT"; break; //usually when abort() was called
case SIGTRAP: signame = "TRAP"; break; //Trace/breakpoint trap
default: goto create_user_core; // not a signal we care about
}
if (!daemon_is_ok())
{
/* not an error, exit with exit code 0 */
log("abrtd is not running. If it crashed, "
"/proc/sys/kernel/core_pattern contains a stale value, "
"consider resetting it to 'core'"
);
goto create_user_core;
}
if (g_settings_nMaxCrashReportsSize > 0)
{
/* If free space is less than 1/4 of MaxCrashReportsSize... */
if (low_free_space(g_settings_nMaxCrashReportsSize, g_settings_dump_location))
goto create_user_core;
}
/* Check /var/tmp/abrt/last-ccpp marker, do not dump repeated crashes
* if they happen too often. Else, write new marker value.
*/
snprintf(path, sizeof(path), "%s/last-ccpp", g_settings_dump_location);
if (check_recent_crash_file(path, executable))
{
/* It is a repeating crash */
goto create_user_core;
}
const char *last_slash = strrchr(executable, '/');
if (last_slash && strncmp(++last_slash, "abrt", 4) == 0)
{
/* If abrtd/abrt-foo crashes, we don't want to create a _directory_,
* since that can make new copy of abrtd to process it,
* and maybe crash again...
* Unlike dirs, mere files are ignored by abrtd.
*/
snprintf(path, sizeof(path), "%s/%s-coredump", g_settings_dump_location, last_slash);
int abrt_core_fd = xopen3(path, O_WRONLY | O_CREAT | O_TRUNC, 0600);
off_t core_size = copyfd_eof(STDIN_FILENO, abrt_core_fd, COPYFD_SPARSE);
if (core_size < 0 || fsync(abrt_core_fd) != 0)
{
unlink(path);
/* copyfd_eof logs the error including errno string,
* but it does not log file name */
error_msg_and_die("Error saving '%s'", path);
}
log("Saved core dump of pid %lu (%s) to %s (%llu bytes)", (long)pid, executable, path, (long long)core_size);
return 0;
}
unsigned path_len = snprintf(path, sizeof(path), "%s/ccpp-%s-%lu.new",
g_settings_dump_location, iso_date_string(NULL), (long)pid);
if (path_len >= (sizeof(path) - sizeof("/"FILENAME_COREDUMP)))
{
goto create_user_core;
}
/* use fsuid instead of uid, so we don't expose any sensitive
* information of suided app in /var/tmp/abrt
*/
dd = dd_create(path, fsuid, DEFAULT_DUMP_DIR_MODE);
if (dd)
{
char *rootdir = get_rootdir(pid);
dd_create_basic_files(dd, fsuid, (rootdir && strcmp(rootdir, "/") != 0) ? rootdir : NULL);
char source_filename[sizeof("/proc/%lu/somewhat_long_name") + sizeof(long)*3];
int source_base_ofs = sprintf(source_filename, "/proc/%lu/smaps", (long)pid);
source_base_ofs -= strlen("smaps");
char *dest_filename = concat_path_file(dd->dd_dirname, "also_somewhat_longish_name");
char *dest_base = strrchr(dest_filename, '/') + 1;
strcpy(source_filename + source_base_ofs, "maps");
strcpy(dest_base, FILENAME_MAPS);
copy_file_ext(source_filename, dest_filename, 0640, dd->dd_uid, dd->dd_gid, O_RDONLY, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL);
strcpy(source_filename + source_base_ofs, "limits");
strcpy(dest_base, FILENAME_LIMITS);
copy_file_ext(source_filename, dest_filename, 0640, dd->dd_uid, dd->dd_gid, O_RDONLY, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL);
strcpy(source_filename + source_base_ofs, "cgroup");
strcpy(dest_base, FILENAME_CGROUP);
copy_file_ext(source_filename, dest_filename, 0640, dd->dd_uid, dd->dd_gid, O_RDONLY, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL);
strcpy(dest_base, FILENAME_OPEN_FDS);
dump_fd_info(dest_filename, source_filename, source_base_ofs, dd->dd_uid, dd->dd_gid);
free(dest_filename);
dd_save_text(dd, FILENAME_ANALYZER, "CCpp");
dd_save_text(dd, FILENAME_TYPE, "CCpp");
dd_save_text(dd, FILENAME_EXECUTABLE, executable);
dd_save_text(dd, FILENAME_PID, pid_str);
dd_save_text(dd, FILENAME_PROC_PID_STATUS, proc_pid_status);
if (user_pwd)
dd_save_text(dd, FILENAME_PWD, user_pwd);
if (rootdir)
{
if (strcmp(rootdir, "/") != 0)
dd_save_text(dd, FILENAME_ROOTDIR, rootdir);
}
char *reason = xasprintf("%s killed by SIG%s",
last_slash, signame ? signame : signal_str);
dd_save_text(dd, FILENAME_REASON, reason);
free(reason);
char *cmdline = get_cmdline(pid);
dd_save_text(dd, FILENAME_CMDLINE, cmdline ? : "");
free(cmdline);
char *environ = get_environ(pid);
dd_save_text(dd, FILENAME_ENVIRON, environ ? : "");
free(environ);
char *fips_enabled = xmalloc_fopen_fgetline_fclose("/proc/sys/crypto/fips_enabled");
if (fips_enabled)
{
if (strcmp(fips_enabled, "0") != 0)
dd_save_text(dd, "fips_enabled", fips_enabled);
free(fips_enabled);
}
dd_save_text(dd, FILENAME_ABRT_VERSION, VERSION);
if (src_fd_binary > 0)
{
strcpy(path + path_len, "/"FILENAME_BINARY);
int dst_fd = create_or_die(path);
off_t sz = copyfd_eof(src_fd_binary, dst_fd, COPYFD_SPARSE);
if (fsync(dst_fd) != 0 || close(dst_fd) != 0 || sz < 0)
{
dd_delete(dd);
error_msg_and_die("Error saving '%s'", path);
}
close(src_fd_binary);
}
strcpy(path + path_len, "/"FILENAME_COREDUMP);
int abrt_core_fd = create_or_die(path);
/* We write both coredumps at once.
* We can't write user coredump first, since it might be truncated
* and thus can't be copied and used as abrt coredump;
* and if we write abrt coredump first and then copy it as user one,
* then we have a race when process exits but coredump does not exist yet:
* $ echo -e '#include<signal.h>\nmain(){raise(SIGSEGV);}' | gcc -o test -x c -
* $ rm -f core*; ulimit -c unlimited; ./test; ls -l core*
* 21631 Segmentation fault (core dumped) ./test
* ls: cannot access core*: No such file or directory <=== BAD
*/
off_t core_size = copyfd_sparse(STDIN_FILENO, abrt_core_fd, user_core_fd, ulimit_c);
if (fsync(abrt_core_fd) != 0 || close(abrt_core_fd) != 0 || core_size < 0)
{
unlink(path);
dd_delete(dd);
if (user_core_fd >= 0)
{
xchdir(user_pwd);
unlink(core_basename);
}
/* copyfd_sparse logs the error including errno string,
* but it does not log file name */
error_msg_and_die("Error writing '%s'", path);
}
if (user_core_fd >= 0
/* error writing user coredump? */
&& (fsync(user_core_fd) != 0 || close(user_core_fd) != 0
/* user coredump is too big? */
|| (ulimit_c == 0 /* paranoia */ || core_size > ulimit_c)
)
) {
/* nuke it (silently) */
xchdir(user_pwd);
unlink(core_basename);
}
/* Save JVM crash log if it exists. (JVM's coredump per se
* is nearly useless for JVM developers)
*/
{
char *java_log = xasprintf("/tmp/jvm-%lu/hs_error.log", (long)pid);
int src_fd = open(java_log, O_RDONLY);
free(java_log);
/* If we couldn't open the error log in /tmp directory we can try to
* read the log from the current directory. It may produce AVC, it
* may produce some error log but all these are expected.
*/
if (src_fd < 0)
{
java_log = xasprintf("%s/hs_err_pid%lu.log", user_pwd, (long)pid);
src_fd = open(java_log, O_RDONLY);
free(java_log);
}
if (src_fd >= 0)
{
strcpy(path + path_len, "/hs_err.log");
int dst_fd = create_or_die(path);
off_t sz = copyfd_eof(src_fd, dst_fd, COPYFD_SPARSE);
if (close(dst_fd) != 0 || sz < 0)
{
dd_delete(dd);
error_msg_and_die("Error saving '%s'", path);
}
close(src_fd);
}
}
/* We close dumpdir before we start catering for crash storm case.
* Otherwise, delete_dump_dir's from other concurrent
* CCpp's won't be able to delete our dump (their delete_dump_dir
* will wait for us), and we won't be able to delete their dumps.
* Classic deadlock.
*/
dd_close(dd);
path[path_len] = '\0'; /* path now contains only directory name */
char *newpath = xstrndup(path, path_len - (sizeof(".new")-1));
if (rename(path, newpath) == 0)
strcpy(path, newpath);
free(newpath);
log("Saved core dump of pid %lu (%s) to %s (%llu bytes)", (long)pid, executable, path, (long long)core_size);
notify_new_path(path);
/* rhbz#539551: "abrt going crazy when crashing process is respawned" */
if (g_settings_nMaxCrashReportsSize > 0)
{
/* x1.25 and round up to 64m: go a bit up, so that usual in-daemon trimming
* kicks in first, and we don't "fight" with it:
*/
unsigned maxsize = g_settings_nMaxCrashReportsSize + g_settings_nMaxCrashReportsSize / 4;
maxsize |= 63;
trim_problem_dirs(g_settings_dump_location, maxsize * (double)(1024*1024), path);
}
free(rootdir);
return 0;
}
/* We didn't create abrt dump, but may need to create compat coredump */
create_user_core:
if (user_core_fd >= 0)
{
off_t core_size = copyfd_size(STDIN_FILENO, user_core_fd, ulimit_c, COPYFD_SPARSE);
if (fsync(user_core_fd) != 0 || close(user_core_fd) != 0 || core_size < 0)
{
/* perror first, otherwise unlink may trash errno */
perror_msg("Error writing '%s'", full_core_basename);
xchdir(user_pwd);
unlink(core_basename);
return 1;
}
if (ulimit_c == 0 || core_size > ulimit_c)
{
xchdir(user_pwd);
unlink(core_basename);
return 1;
}
log("Saved core dump of pid %lu to %s (%llu bytes)", (long)pid, full_core_basename, (long long)core_size);
}
return 0;
}
|
CWE-59
| 182,058 | 3,423 |
103063092257824796699113005573814568114
| null | null | null |
linux
|
60a2362f769cf549dc466134efe71c8bf9fbaaba
| 1 |
static void regulator_ena_gpio_free(struct regulator_dev *rdev)
{
struct regulator_enable_gpio *pin, *n;
if (!rdev->ena_pin)
return;
/* Free the GPIO only in case of no use */
list_for_each_entry_safe(pin, n, ®ulator_ena_gpio_list, list) {
if (pin->gpiod == rdev->ena_pin->gpiod) {
if (pin->request_count <= 1) {
pin->request_count = 0;
gpiod_put(pin->gpiod);
list_del(&pin->list);
kfree(pin);
} else {
pin->request_count--;
}
}
}
}
|
CWE-416
| 182,066 | 3,431 |
153964382604737756740447291627341251577
| null | null | null |
linux
|
69c433ed2ecd2d3264efd7afec4439524b319121
| 1 |
static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags,
const char *dev_name, void *raw_data)
{
struct super_block *s;
struct ecryptfs_sb_info *sbi;
struct ecryptfs_dentry_info *root_info;
const char *err = "Getting sb failed";
struct inode *inode;
struct path path;
uid_t check_ruid;
int rc;
sbi = kmem_cache_zalloc(ecryptfs_sb_info_cache, GFP_KERNEL);
if (!sbi) {
rc = -ENOMEM;
goto out;
}
rc = ecryptfs_parse_options(sbi, raw_data, &check_ruid);
if (rc) {
err = "Error parsing options";
goto out;
}
s = sget(fs_type, NULL, set_anon_super, flags, NULL);
if (IS_ERR(s)) {
rc = PTR_ERR(s);
goto out;
}
rc = bdi_setup_and_register(&sbi->bdi, "ecryptfs", BDI_CAP_MAP_COPY);
if (rc)
goto out1;
ecryptfs_set_superblock_private(s, sbi);
s->s_bdi = &sbi->bdi;
/* ->kill_sb() will take care of sbi after that point */
sbi = NULL;
s->s_op = &ecryptfs_sops;
s->s_d_op = &ecryptfs_dops;
err = "Reading sb failed";
rc = kern_path(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &path);
if (rc) {
ecryptfs_printk(KERN_WARNING, "kern_path() failed\n");
goto out1;
}
if (path.dentry->d_sb->s_type == &ecryptfs_fs_type) {
rc = -EINVAL;
printk(KERN_ERR "Mount on filesystem of type "
"eCryptfs explicitly disallowed due to "
"known incompatibilities\n");
goto out_free;
}
if (check_ruid && !uid_eq(path.dentry->d_inode->i_uid, current_uid())) {
rc = -EPERM;
printk(KERN_ERR "Mount of device (uid: %d) not owned by "
"requested user (uid: %d)\n",
i_uid_read(path.dentry->d_inode),
from_kuid(&init_user_ns, current_uid()));
goto out_free;
}
ecryptfs_set_superblock_lower(s, path.dentry->d_sb);
/**
* Set the POSIX ACL flag based on whether they're enabled in the lower
* mount. Force a read-only eCryptfs mount if the lower mount is ro.
* Allow a ro eCryptfs mount even when the lower mount is rw.
*/
s->s_flags = flags & ~MS_POSIXACL;
s->s_flags |= path.dentry->d_sb->s_flags & (MS_RDONLY | MS_POSIXACL);
s->s_maxbytes = path.dentry->d_sb->s_maxbytes;
s->s_blocksize = path.dentry->d_sb->s_blocksize;
s->s_magic = ECRYPTFS_SUPER_MAGIC;
inode = ecryptfs_get_inode(path.dentry->d_inode, s);
rc = PTR_ERR(inode);
if (IS_ERR(inode))
goto out_free;
s->s_root = d_make_root(inode);
if (!s->s_root) {
rc = -ENOMEM;
goto out_free;
}
rc = -ENOMEM;
root_info = kmem_cache_zalloc(ecryptfs_dentry_info_cache, GFP_KERNEL);
if (!root_info)
goto out_free;
/* ->kill_sb() will take care of root_info */
ecryptfs_set_dentry_private(s->s_root, root_info);
root_info->lower_path = path;
s->s_flags |= MS_ACTIVE;
return dget(s->s_root);
out_free:
path_put(&path);
out1:
deactivate_locked_super(s);
out:
if (sbi) {
ecryptfs_destroy_mount_crypt_stat(&sbi->mount_crypt_stat);
kmem_cache_free(ecryptfs_sb_info_cache, sbi);
}
printk(KERN_ERR "%s; rc = [%d]\n", err, rc);
return ERR_PTR(rc);
}
|
CWE-264
| 182,067 | 3,432 |
206875532923431402889200451183410885457
| null | null | null |
linux
|
69c433ed2ecd2d3264efd7afec4439524b319121
| 1 |
static int ovl_fill_super(struct super_block *sb, void *data, int silent)
{
struct path lowerpath;
struct path upperpath;
struct path workpath;
struct inode *root_inode;
struct dentry *root_dentry;
struct ovl_entry *oe;
struct ovl_fs *ufs;
struct kstatfs statfs;
int err;
err = -ENOMEM;
ufs = kzalloc(sizeof(struct ovl_fs), GFP_KERNEL);
if (!ufs)
goto out;
err = ovl_parse_opt((char *) data, &ufs->config);
if (err)
goto out_free_config;
/* FIXME: workdir is not needed for a R/O mount */
err = -EINVAL;
if (!ufs->config.upperdir || !ufs->config.lowerdir ||
!ufs->config.workdir) {
pr_err("overlayfs: missing upperdir or lowerdir or workdir\n");
goto out_free_config;
}
err = -ENOMEM;
oe = ovl_alloc_entry();
if (oe == NULL)
goto out_free_config;
err = ovl_mount_dir(ufs->config.upperdir, &upperpath);
if (err)
goto out_free_oe;
err = ovl_mount_dir(ufs->config.lowerdir, &lowerpath);
if (err)
goto out_put_upperpath;
err = ovl_mount_dir(ufs->config.workdir, &workpath);
if (err)
goto out_put_lowerpath;
err = -EINVAL;
if (!S_ISDIR(upperpath.dentry->d_inode->i_mode) ||
!S_ISDIR(lowerpath.dentry->d_inode->i_mode) ||
!S_ISDIR(workpath.dentry->d_inode->i_mode)) {
pr_err("overlayfs: upperdir or lowerdir or workdir not a directory\n");
goto out_put_workpath;
}
if (upperpath.mnt != workpath.mnt) {
pr_err("overlayfs: workdir and upperdir must reside under the same mount\n");
goto out_put_workpath;
}
if (!ovl_workdir_ok(workpath.dentry, upperpath.dentry)) {
pr_err("overlayfs: workdir and upperdir must be separate subtrees\n");
goto out_put_workpath;
}
if (!ovl_is_allowed_fs_type(upperpath.dentry)) {
pr_err("overlayfs: filesystem of upperdir is not supported\n");
goto out_put_workpath;
}
if (!ovl_is_allowed_fs_type(lowerpath.dentry)) {
pr_err("overlayfs: filesystem of lowerdir is not supported\n");
goto out_put_workpath;
}
err = vfs_statfs(&lowerpath, &statfs);
if (err) {
pr_err("overlayfs: statfs failed on lowerpath\n");
goto out_put_workpath;
}
ufs->lower_namelen = statfs.f_namelen;
ufs->upper_mnt = clone_private_mount(&upperpath);
err = PTR_ERR(ufs->upper_mnt);
if (IS_ERR(ufs->upper_mnt)) {
pr_err("overlayfs: failed to clone upperpath\n");
goto out_put_workpath;
}
ufs->lower_mnt = clone_private_mount(&lowerpath);
err = PTR_ERR(ufs->lower_mnt);
if (IS_ERR(ufs->lower_mnt)) {
pr_err("overlayfs: failed to clone lowerpath\n");
goto out_put_upper_mnt;
}
ufs->workdir = ovl_workdir_create(ufs->upper_mnt, workpath.dentry);
err = PTR_ERR(ufs->workdir);
if (IS_ERR(ufs->workdir)) {
pr_err("overlayfs: failed to create directory %s/%s\n",
ufs->config.workdir, OVL_WORKDIR_NAME);
goto out_put_lower_mnt;
}
/*
* Make lower_mnt R/O. That way fchmod/fchown on lower file
* will fail instead of modifying lower fs.
*/
ufs->lower_mnt->mnt_flags |= MNT_READONLY;
/* If the upper fs is r/o, we mark overlayfs r/o too */
if (ufs->upper_mnt->mnt_sb->s_flags & MS_RDONLY)
sb->s_flags |= MS_RDONLY;
sb->s_d_op = &ovl_dentry_operations;
err = -ENOMEM;
root_inode = ovl_new_inode(sb, S_IFDIR, oe);
if (!root_inode)
goto out_put_workdir;
root_dentry = d_make_root(root_inode);
if (!root_dentry)
goto out_put_workdir;
mntput(upperpath.mnt);
mntput(lowerpath.mnt);
path_put(&workpath);
oe->__upperdentry = upperpath.dentry;
oe->lowerdentry = lowerpath.dentry;
root_dentry->d_fsdata = oe;
sb->s_magic = OVERLAYFS_SUPER_MAGIC;
sb->s_op = &ovl_super_operations;
sb->s_root = root_dentry;
sb->s_fs_info = ufs;
return 0;
out_put_workdir:
dput(ufs->workdir);
out_put_lower_mnt:
mntput(ufs->lower_mnt);
out_put_upper_mnt:
mntput(ufs->upper_mnt);
out_put_workpath:
path_put(&workpath);
out_put_lowerpath:
path_put(&lowerpath);
out_put_upperpath:
path_put(&upperpath);
out_free_oe:
kfree(oe);
out_free_config:
kfree(ufs->config.lowerdir);
kfree(ufs->config.upperdir);
kfree(ufs->config.workdir);
kfree(ufs);
out:
return err;
}
|
CWE-264
| 182,068 | 3,433 |
242173763105780317730894285488040554355
| null | null | null |
linux
|
9709674e68646cee5a24e3000b3558d25412203a
| 1 |
void ip4_datagram_release_cb(struct sock *sk)
{
const struct inet_sock *inet = inet_sk(sk);
const struct ip_options_rcu *inet_opt;
__be32 daddr = inet->inet_daddr;
struct flowi4 fl4;
struct rtable *rt;
if (! __sk_dst_get(sk) || __sk_dst_check(sk, 0))
return;
rcu_read_lock();
inet_opt = rcu_dereference(inet->inet_opt);
if (inet_opt && inet_opt->opt.srr)
daddr = inet_opt->opt.faddr;
rt = ip_route_output_ports(sock_net(sk), &fl4, sk, daddr,
inet->inet_saddr, inet->inet_dport,
inet->inet_sport, sk->sk_protocol,
RT_CONN_FLAGS(sk), sk->sk_bound_dev_if);
if (!IS_ERR(rt))
__sk_dst_set(sk, &rt->dst);
rcu_read_unlock();
}
|
CWE-416
| 182,069 | 3,434 |
311398138099162887207161284772117401396
| null | null | null |
rawstudio
|
9c2cd3c93c05d009a91d84eedbb85873b0cb505d
| 1 |
rs_filter_graph(RSFilter *filter)
{
g_return_if_fail(RS_IS_FILTER(filter));
GString *str = g_string_new("digraph G {\n");
rs_filter_graph_helper(str, filter);
g_string_append_printf(str, "}\n");
g_file_set_contents("/tmp/rs-filter-graph", str->str, str->len, NULL);
if (0 != system("dot -Tpng >/tmp/rs-filter-graph.png </tmp/rs-filter-graph"))
g_warning("Calling dot failed");
if (0 != system("gnome-open /tmp/rs-filter-graph.png"))
g_warning("Calling gnome-open failed.");
g_string_free(str, TRUE);
}
|
CWE-59
| 182,086 | 3,444 |
20000396220013241653526781574920179819
| null | null | null |
FFmpeg
|
5aba5b89d0b1d73164d3b81764828bb8b20ff32a
| 1 |
static void read_quant_matrix_ext(MpegEncContext *s, GetBitContext *gb)
{
int i, j, v;
if (get_bits1(gb)) {
/* intra_quantiser_matrix */
for (i = 0; i < 64; i++) {
v = get_bits(gb, 8);
j = s->idsp.idct_permutation[ff_zigzag_direct[i]];
s->intra_matrix[j] = v;
s->chroma_intra_matrix[j] = v;
}
}
if (get_bits1(gb)) {
/* non_intra_quantiser_matrix */
for (i = 0; i < 64; i++) {
get_bits(gb, 8);
}
}
if (get_bits1(gb)) {
/* chroma_intra_quantiser_matrix */
for (i = 0; i < 64; i++) {
v = get_bits(gb, 8);
j = s->idsp.idct_permutation[ff_zigzag_direct[i]];
s->chroma_intra_matrix[j] = v;
}
}
if (get_bits1(gb)) {
/* chroma_non_intra_quantiser_matrix */
for (i = 0; i < 64; i++) {
get_bits(gb, 8);
}
}
next_start_code_studio(gb);
}
|
CWE-125
| 182,094 | 3,449 |
213473736044128228827890314794769974124
| null | null | null |
FFmpeg
|
a7e032a277452366771951e29fd0bf2bd5c029f0
| 1 |
static int rm_read_multi(AVFormatContext *s, AVIOContext *pb,
AVStream *st, char *mime)
{
int number_of_streams = avio_rb16(pb);
int number_of_mdpr;
int i, ret;
unsigned size2;
for (i = 0; i<number_of_streams; i++)
avio_rb16(pb);
number_of_mdpr = avio_rb16(pb);
if (number_of_mdpr != 1) {
avpriv_request_sample(s, "MLTI with multiple (%d) MDPR", number_of_mdpr);
}
for (i = 0; i < number_of_mdpr; i++) {
AVStream *st2;
if (i > 0) {
st2 = avformat_new_stream(s, NULL);
if (!st2) {
ret = AVERROR(ENOMEM);
return ret;
}
st2->id = st->id + (i<<16);
st2->codecpar->bit_rate = st->codecpar->bit_rate;
st2->start_time = st->start_time;
st2->duration = st->duration;
st2->codecpar->codec_type = AVMEDIA_TYPE_DATA;
st2->priv_data = ff_rm_alloc_rmstream();
if (!st2->priv_data)
return AVERROR(ENOMEM);
} else
st2 = st;
size2 = avio_rb32(pb);
ret = ff_rm_read_mdpr_codecdata(s, s->pb, st2, st2->priv_data,
size2, mime);
if (ret < 0)
return ret;
}
return 0;
}
|
CWE-416
| 182,096 | 3,450 |
260453905446702307047758257458006168807
| null | null | null |
FFmpeg
|
9807d3976be0e92e4ece3b4b1701be894cd7c2e1
| 1 |
static int read_part_of_packet(AVFormatContext *s, int64_t *pts,
int *len, int *strid, int read_packet) {
AVIOContext *pb = s->pb;
PVAContext *pvactx = s->priv_data;
int syncword, streamid, reserved, flags, length, pts_flag;
int64_t pva_pts = AV_NOPTS_VALUE, startpos;
int ret;
recover:
startpos = avio_tell(pb);
syncword = avio_rb16(pb);
streamid = avio_r8(pb);
avio_r8(pb); /* counter not used */
reserved = avio_r8(pb);
flags = avio_r8(pb);
length = avio_rb16(pb);
pts_flag = flags & 0x10;
if (syncword != PVA_MAGIC) {
pva_log(s, AV_LOG_ERROR, "invalid syncword\n");
return AVERROR(EIO);
}
if (streamid != PVA_VIDEO_PAYLOAD && streamid != PVA_AUDIO_PAYLOAD) {
pva_log(s, AV_LOG_ERROR, "invalid streamid\n");
return AVERROR(EIO);
}
if (reserved != 0x55) {
pva_log(s, AV_LOG_WARNING, "expected reserved byte to be 0x55\n");
}
if (length > PVA_MAX_PAYLOAD_LENGTH) {
pva_log(s, AV_LOG_ERROR, "invalid payload length %u\n", length);
return AVERROR(EIO);
}
if (streamid == PVA_VIDEO_PAYLOAD && pts_flag) {
pva_pts = avio_rb32(pb);
length -= 4;
} else if (streamid == PVA_AUDIO_PAYLOAD) {
/* PVA Audio Packets either start with a signaled PES packet or
* are a continuation of the previous PES packet. New PES packets
* always start at the beginning of a PVA Packet, never somewhere in
* the middle. */
if (!pvactx->continue_pes) {
int pes_signal, pes_header_data_length, pes_packet_length,
pes_flags;
unsigned char pes_header_data[256];
pes_signal = avio_rb24(pb);
avio_r8(pb);
pes_packet_length = avio_rb16(pb);
pes_flags = avio_rb16(pb);
pes_header_data_length = avio_r8(pb);
if (pes_signal != 1 || pes_header_data_length == 0) {
pva_log(s, AV_LOG_WARNING, "expected non empty signaled PES packet, "
"trying to recover\n");
avio_skip(pb, length - 9);
if (!read_packet)
return AVERROR(EIO);
goto recover;
}
ret = avio_read(pb, pes_header_data, pes_header_data_length);
if (ret != pes_header_data_length)
return ret < 0 ? ret : AVERROR_INVALIDDATA;
length -= 9 + pes_header_data_length;
pes_packet_length -= 3 + pes_header_data_length;
pvactx->continue_pes = pes_packet_length;
if (pes_flags & 0x80 && (pes_header_data[0] & 0xf0) == 0x20) {
if (pes_header_data_length < 5) {
pva_log(s, AV_LOG_ERROR, "header too short\n");
avio_skip(pb, length);
return AVERROR_INVALIDDATA;
}
pva_pts = ff_parse_pes_pts(pes_header_data);
}
}
pvactx->continue_pes -= length;
if (pvactx->continue_pes < 0) {
pva_log(s, AV_LOG_WARNING, "audio data corruption\n");
pvactx->continue_pes = 0;
}
}
if (pva_pts != AV_NOPTS_VALUE)
av_add_index_entry(s->streams[streamid-1], startpos, pva_pts, 0, 0, AVINDEX_KEYFRAME);
*pts = pva_pts;
*len = length;
*strid = streamid;
return 0;
}
|
CWE-835
| 182,097 | 3,451 |
82750978880669135127164674083746320255
| null | null | null |
FFmpeg
|
2b46ebdbff1d8dec7a3d8ea280a612b91a582869
| 1 |
static int parse_video_info(AVIOContext *pb, AVStream *st)
{
uint16_t size_asf; // ASF-specific Format Data size
uint32_t size_bmp; // BMP_HEADER-specific Format Data size
unsigned int tag;
st->codecpar->width = avio_rl32(pb);
st->codecpar->height = avio_rl32(pb);
avio_skip(pb, 1); // skip reserved flags
size_asf = avio_rl16(pb);
tag = ff_get_bmp_header(pb, st, &size_bmp);
st->codecpar->codec_tag = tag;
st->codecpar->codec_id = ff_codec_get_id(ff_codec_bmp_tags, tag);
size_bmp = FFMAX(size_asf, size_bmp);
if (size_bmp > BMP_HEADER_SIZE) {
int ret;
st->codecpar->extradata_size = size_bmp - BMP_HEADER_SIZE;
if (!(st->codecpar->extradata = av_malloc(st->codecpar->extradata_size +
AV_INPUT_BUFFER_PADDING_SIZE))) {
st->codecpar->extradata_size = 0;
return AVERROR(ENOMEM);
}
memset(st->codecpar->extradata + st->codecpar->extradata_size , 0,
AV_INPUT_BUFFER_PADDING_SIZE);
if ((ret = avio_read(pb, st->codecpar->extradata,
st->codecpar->extradata_size)) < 0)
return ret;
}
return 0;
}
|
CWE-119
| 182,098 | 3,452 |
51010198014372403928141783354393809249
| null | null | null |
FFmpeg
|
cced03dd667a5df6df8fd40d8de0bff477ee02e8
| 1 |
int ff_mms_asf_header_parser(MMSContext *mms)
{
uint8_t *p = mms->asf_header;
uint8_t *end;
int flags, stream_id;
mms->stream_num = 0;
if (mms->asf_header_size < sizeof(ff_asf_guid) * 2 + 22 ||
memcmp(p, ff_asf_header, sizeof(ff_asf_guid))) {
av_log(NULL, AV_LOG_ERROR,
"Corrupt stream (invalid ASF header, size=%d)\n",
mms->asf_header_size);
return AVERROR_INVALIDDATA;
}
end = mms->asf_header + mms->asf_header_size;
p += sizeof(ff_asf_guid) + 14;
while(end - p >= sizeof(ff_asf_guid) + 8) {
uint64_t chunksize;
if (!memcmp(p, ff_asf_data_header, sizeof(ff_asf_guid))) {
chunksize = 50; // see Reference [2] section 5.1
} else {
chunksize = AV_RL64(p + sizeof(ff_asf_guid));
}
if (!chunksize || chunksize > end - p) {
av_log(NULL, AV_LOG_ERROR,
"Corrupt stream (header chunksize %"PRId64" is invalid)\n",
chunksize);
return AVERROR_INVALIDDATA;
}
if (!memcmp(p, ff_asf_file_header, sizeof(ff_asf_guid))) {
/* read packet size */
if (end - p > sizeof(ff_asf_guid) * 2 + 68) {
mms->asf_packet_len = AV_RL32(p + sizeof(ff_asf_guid) * 2 + 64);
if (mms->asf_packet_len <= 0 || mms->asf_packet_len > sizeof(mms->in_buffer)) {
av_log(NULL, AV_LOG_ERROR,
"Corrupt stream (too large pkt_len %d)\n",
mms->asf_packet_len);
return AVERROR_INVALIDDATA;
}
}
} else if (!memcmp(p, ff_asf_stream_header, sizeof(ff_asf_guid))) {
flags = AV_RL16(p + sizeof(ff_asf_guid)*3 + 24);
stream_id = flags & 0x7F;
if (mms->stream_num < MMS_MAX_STREAMS &&
46 + mms->stream_num * 6 < sizeof(mms->out_buffer)) {
mms->streams = av_fast_realloc(mms->streams,
&mms->nb_streams_allocated,
(mms->stream_num + 1) * sizeof(MMSStream));
if (!mms->streams)
return AVERROR(ENOMEM);
mms->streams[mms->stream_num].id = stream_id;
mms->stream_num++;
} else {
av_log(NULL, AV_LOG_ERROR,
"Corrupt stream (too many A/V streams)\n");
return AVERROR_INVALIDDATA;
}
} else if (!memcmp(p, ff_asf_ext_stream_header, sizeof(ff_asf_guid))) {
if (end - p >= 88) {
int stream_count = AV_RL16(p + 84), ext_len_count = AV_RL16(p + 86);
uint64_t skip_bytes = 88;
while (stream_count--) {
if (end - p < skip_bytes + 4) {
av_log(NULL, AV_LOG_ERROR,
"Corrupt stream (next stream name length is not in the buffer)\n");
return AVERROR_INVALIDDATA;
}
skip_bytes += 4 + AV_RL16(p + skip_bytes + 2);
}
while (ext_len_count--) {
if (end - p < skip_bytes + 22) {
av_log(NULL, AV_LOG_ERROR,
"Corrupt stream (next extension system info length is not in the buffer)\n");
return AVERROR_INVALIDDATA;
}
skip_bytes += 22 + AV_RL32(p + skip_bytes + 18);
}
if (end - p < skip_bytes) {
av_log(NULL, AV_LOG_ERROR,
"Corrupt stream (the last extension system info length is invalid)\n");
return AVERROR_INVALIDDATA;
}
if (chunksize - skip_bytes > 24)
chunksize = skip_bytes;
}
} else if (!memcmp(p, ff_asf_head1_guid, sizeof(ff_asf_guid))) {
chunksize = 46; // see references [2] section 3.4. This should be set 46.
}
p += chunksize;
}
return 0;
}
|
CWE-125
| 182,099 | 3,453 |
10142334619194336306244159855755254405
| null | null | null |
libarchive
|
9c84b7426660c09c18cc349f6d70b5f8168b5680
| 1 |
_warc_read(struct archive_read *a, const void **buf, size_t *bsz, int64_t *off)
{
struct warc_s *w = a->format->data;
const char *rab;
ssize_t nrd;
if (w->cntoff >= w->cntlen) {
eof:
/* it's our lucky day, no work, we can leave early */
*buf = NULL;
*bsz = 0U;
*off = w->cntoff + 4U/*for \r\n\r\n separator*/;
w->unconsumed = 0U;
return (ARCHIVE_EOF);
}
rab = __archive_read_ahead(a, 1U, &nrd);
if (nrd < 0) {
*bsz = 0U;
/* big catastrophe */
return (int)nrd;
} else if (nrd == 0) {
goto eof;
} else if ((size_t)nrd > w->cntlen - w->cntoff) {
/* clamp to content-length */
nrd = w->cntlen - w->cntoff;
}
*off = w->cntoff;
*bsz = nrd;
*buf = rab;
w->cntoff += nrd;
w->unconsumed = (size_t)nrd;
return (ARCHIVE_OK);
}
|
CWE-415
| 182,100 | 3,454 |
335908245050720986852628100587343619340
| null | null | null |
libarchive
|
15bf44fd2c1ad0e3fd87048b3fcc90c4dcff1175
| 1 |
archive_acl_from_text_l(struct archive_acl *acl, const char *text,
int want_type, struct archive_string_conv *sc)
{
struct {
const char *start;
const char *end;
} field[6], name;
const char *s, *st;
int numfields, fields, n, r, sol, ret;
int type, types, tag, permset, id;
size_t len;
char sep;
switch (want_type) {
case ARCHIVE_ENTRY_ACL_TYPE_POSIX1E:
want_type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS;
__LA_FALLTHROUGH;
case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
numfields = 5;
break;
case ARCHIVE_ENTRY_ACL_TYPE_NFS4:
numfields = 6;
break;
default:
return (ARCHIVE_FATAL);
}
ret = ARCHIVE_OK;
types = 0;
while (text != NULL && *text != '\0') {
/*
* Parse the fields out of the next entry,
* advance 'text' to start of next entry.
*/
fields = 0;
do {
const char *start, *end;
next_field(&text, &start, &end, &sep);
if (fields < numfields) {
field[fields].start = start;
field[fields].end = end;
}
++fields;
} while (sep == ':');
/* Set remaining fields to blank. */
for (n = fields; n < numfields; ++n)
field[n].start = field[n].end = NULL;
if (field[0].start != NULL && *(field[0].start) == '#') {
/* Comment, skip entry */
continue;
}
n = 0;
sol = 0;
id = -1;
permset = 0;
name.start = name.end = NULL;
if (want_type != ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
/* POSIX.1e ACLs */
/*
* Default keyword "default:user::rwx"
* if found, we have one more field
*
* We also support old Solaris extension:
* "defaultuser::rwx" is the default ACL corresponding
* to "user::rwx", etc. valid only for first field
*/
s = field[0].start;
len = field[0].end - field[0].start;
if (*s == 'd' && (len == 1 || (len >= 7
&& memcmp((s + 1), "efault", 6) == 0))) {
type = ARCHIVE_ENTRY_ACL_TYPE_DEFAULT;
if (len > 7)
field[0].start += 7;
else
n = 1;
} else
type = want_type;
/* Check for a numeric ID in field n+1 or n+3. */
isint(field[n + 1].start, field[n + 1].end, &id);
/* Field n+3 is optional. */
if (id == -1 && fields > (n + 3))
isint(field[n + 3].start, field[n + 3].end,
&id);
tag = 0;
s = field[n].start;
st = field[n].start + 1;
len = field[n].end - field[n].start;
switch (*s) {
case 'u':
if (len == 1 || (len == 4
&& memcmp(st, "ser", 3) == 0))
tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
break;
case 'g':
if (len == 1 || (len == 5
&& memcmp(st, "roup", 4) == 0))
tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
break;
case 'o':
if (len == 1 || (len == 5
&& memcmp(st, "ther", 4) == 0))
tag = ARCHIVE_ENTRY_ACL_OTHER;
break;
case 'm':
if (len == 1 || (len == 4
&& memcmp(st, "ask", 3) == 0))
tag = ARCHIVE_ENTRY_ACL_MASK;
break;
default:
break;
}
switch (tag) {
case ARCHIVE_ENTRY_ACL_OTHER:
case ARCHIVE_ENTRY_ACL_MASK:
if (fields == (n + 2)
&& field[n + 1].start < field[n + 1].end
&& ismode(field[n + 1].start,
field[n + 1].end, &permset)) {
/* This is Solaris-style "other:rwx" */
sol = 1;
} else if (fields == (n + 3) &&
field[n + 1].start < field[n + 1].end) {
/* Invalid mask or other field */
ret = ARCHIVE_WARN;
continue;
}
break;
case ARCHIVE_ENTRY_ACL_USER_OBJ:
case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
if (id != -1 ||
field[n + 1].start < field[n + 1].end) {
name = field[n + 1];
if (tag == ARCHIVE_ENTRY_ACL_USER_OBJ)
tag = ARCHIVE_ENTRY_ACL_USER;
else
tag = ARCHIVE_ENTRY_ACL_GROUP;
}
break;
default:
/* Invalid tag, skip entry */
ret = ARCHIVE_WARN;
continue;
}
/*
* Without "default:" we expect mode in field 3
* Exception: Solaris other and mask fields
*/
if (permset == 0 && !ismode(field[n + 2 - sol].start,
field[n + 2 - sol].end, &permset)) {
/* Invalid mode, skip entry */
ret = ARCHIVE_WARN;
continue;
}
} else {
/* NFS4 ACLs */
s = field[0].start;
len = field[0].end - field[0].start;
tag = 0;
switch (len) {
case 4:
if (memcmp(s, "user", 4) == 0)
tag = ARCHIVE_ENTRY_ACL_USER;
break;
case 5:
if (memcmp(s, "group", 5) == 0)
tag = ARCHIVE_ENTRY_ACL_GROUP;
break;
case 6:
if (memcmp(s, "owner@", 6) == 0)
tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
else if (memcmp(s, "group@", 6) == 0)
tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
break;
case 9:
if (memcmp(s, "everyone@", 9) == 0)
tag = ARCHIVE_ENTRY_ACL_EVERYONE;
break;
default:
break;
}
if (tag == 0) {
/* Invalid tag, skip entry */
ret = ARCHIVE_WARN;
continue;
} else if (tag == ARCHIVE_ENTRY_ACL_USER ||
tag == ARCHIVE_ENTRY_ACL_GROUP) {
n = 1;
name = field[1];
isint(name.start, name.end, &id);
} else
n = 0;
if (!is_nfs4_perms(field[1 + n].start,
field[1 + n].end, &permset)) {
/* Invalid NFSv4 perms, skip entry */
ret = ARCHIVE_WARN;
continue;
}
if (!is_nfs4_flags(field[2 + n].start,
field[2 + n].end, &permset)) {
/* Invalid NFSv4 flags, skip entry */
ret = ARCHIVE_WARN;
continue;
}
s = field[3 + n].start;
len = field[3 + n].end - field[3 + n].start;
type = 0;
if (len == 4) {
if (memcmp(s, "deny", 4) == 0)
type = ARCHIVE_ENTRY_ACL_TYPE_DENY;
} else if (len == 5) {
if (memcmp(s, "allow", 5) == 0)
type = ARCHIVE_ENTRY_ACL_TYPE_ALLOW;
else if (memcmp(s, "audit", 5) == 0)
type = ARCHIVE_ENTRY_ACL_TYPE_AUDIT;
else if (memcmp(s, "alarm", 5) == 0)
type = ARCHIVE_ENTRY_ACL_TYPE_ALARM;
}
if (type == 0) {
/* Invalid entry type, skip entry */
ret = ARCHIVE_WARN;
continue;
}
isint(field[4 + n].start, field[4 + n].end,
&id);
}
/* Add entry to the internal list. */
r = archive_acl_add_entry_len_l(acl, type, permset,
tag, id, name.start, name.end - name.start, sc);
if (r < ARCHIVE_WARN)
return (r);
if (r != ARCHIVE_OK)
ret = ARCHIVE_WARN;
types |= type;
}
/* Reset ACL */
archive_acl_reset(acl, types);
return (ret);
}
|
CWE-476
| 182,101 | 3,455 |
2001925255634938865056734998030467742
| null | null | null |
libarchive
|
021efa522ad729ff0f5806c4ce53e4a6cc1daa31
| 1 |
parse_codes(struct archive_read *a)
{
int i, j, val, n, r;
unsigned char bitlengths[MAX_SYMBOLS], zerocount, ppmd_flags;
unsigned int maxorder;
struct huffman_code precode;
struct rar *rar = (struct rar *)(a->format->data);
struct rar_br *br = &(rar->br);
free_codes(a);
/* Skip to the next byte */
rar_br_consume_unalined_bits(br);
/* PPMd block flag */
if (!rar_br_read_ahead(a, br, 1))
goto truncated_data;
if ((rar->is_ppmd_block = rar_br_bits(br, 1)) != 0)
{
rar_br_consume(br, 1);
if (!rar_br_read_ahead(a, br, 7))
goto truncated_data;
ppmd_flags = rar_br_bits(br, 7);
rar_br_consume(br, 7);
/* Memory is allocated in MB */
if (ppmd_flags & 0x20)
{
if (!rar_br_read_ahead(a, br, 8))
goto truncated_data;
rar->dictionary_size = (rar_br_bits(br, 8) + 1) << 20;
rar_br_consume(br, 8);
}
if (ppmd_flags & 0x40)
{
if (!rar_br_read_ahead(a, br, 8))
goto truncated_data;
rar->ppmd_escape = rar->ppmd7_context.InitEsc = rar_br_bits(br, 8);
rar_br_consume(br, 8);
}
else
rar->ppmd_escape = 2;
if (ppmd_flags & 0x20)
{
maxorder = (ppmd_flags & 0x1F) + 1;
if(maxorder > 16)
maxorder = 16 + (maxorder - 16) * 3;
if (maxorder == 1)
{
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Truncated RAR file data");
return (ARCHIVE_FATAL);
}
/* Make sure ppmd7_contest is freed before Ppmd7_Construct
* because reading a broken file cause this abnormal sequence. */
__archive_ppmd7_functions.Ppmd7_Free(&rar->ppmd7_context);
rar->bytein.a = a;
rar->bytein.Read = &ppmd_read;
__archive_ppmd7_functions.PpmdRAR_RangeDec_CreateVTable(&rar->range_dec);
rar->range_dec.Stream = &rar->bytein;
__archive_ppmd7_functions.Ppmd7_Construct(&rar->ppmd7_context);
if (rar->dictionary_size == 0) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Invalid zero dictionary size");
return (ARCHIVE_FATAL);
}
if (!__archive_ppmd7_functions.Ppmd7_Alloc(&rar->ppmd7_context,
rar->dictionary_size))
{
archive_set_error(&a->archive, ENOMEM,
"Out of memory");
return (ARCHIVE_FATAL);
}
if (!__archive_ppmd7_functions.PpmdRAR_RangeDec_Init(&rar->range_dec))
{
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Unable to initialize PPMd range decoder");
return (ARCHIVE_FATAL);
}
__archive_ppmd7_functions.Ppmd7_Init(&rar->ppmd7_context, maxorder);
rar->ppmd_valid = 1;
}
else
{
if (!rar->ppmd_valid) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Invalid PPMd sequence");
return (ARCHIVE_FATAL);
}
if (!__archive_ppmd7_functions.PpmdRAR_RangeDec_Init(&rar->range_dec))
{
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Unable to initialize PPMd range decoder");
return (ARCHIVE_FATAL);
}
}
}
else
{
rar_br_consume(br, 1);
/* Keep existing table flag */
if (!rar_br_read_ahead(a, br, 1))
goto truncated_data;
if (!rar_br_bits(br, 1))
memset(rar->lengthtable, 0, sizeof(rar->lengthtable));
rar_br_consume(br, 1);
memset(&bitlengths, 0, sizeof(bitlengths));
for (i = 0; i < MAX_SYMBOLS;)
{
if (!rar_br_read_ahead(a, br, 4))
goto truncated_data;
bitlengths[i++] = rar_br_bits(br, 4);
rar_br_consume(br, 4);
if (bitlengths[i-1] == 0xF)
{
if (!rar_br_read_ahead(a, br, 4))
goto truncated_data;
zerocount = rar_br_bits(br, 4);
rar_br_consume(br, 4);
if (zerocount)
{
i--;
for (j = 0; j < zerocount + 2 && i < MAX_SYMBOLS; j++)
bitlengths[i++] = 0;
}
}
}
memset(&precode, 0, sizeof(precode));
r = create_code(a, &precode, bitlengths, MAX_SYMBOLS, MAX_SYMBOL_LENGTH);
if (r != ARCHIVE_OK) {
free(precode.tree);
free(precode.table);
return (r);
}
for (i = 0; i < HUFFMAN_TABLE_SIZE;)
{
if ((val = read_next_symbol(a, &precode)) < 0) {
free(precode.tree);
free(precode.table);
return (ARCHIVE_FATAL);
}
if (val < 16)
{
rar->lengthtable[i] = (rar->lengthtable[i] + val) & 0xF;
i++;
}
else if (val < 18)
{
if (i == 0)
{
free(precode.tree);
free(precode.table);
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Internal error extracting RAR file.");
return (ARCHIVE_FATAL);
}
if(val == 16) {
if (!rar_br_read_ahead(a, br, 3)) {
free(precode.tree);
free(precode.table);
goto truncated_data;
}
n = rar_br_bits(br, 3) + 3;
rar_br_consume(br, 3);
} else {
if (!rar_br_read_ahead(a, br, 7)) {
free(precode.tree);
free(precode.table);
goto truncated_data;
}
n = rar_br_bits(br, 7) + 11;
rar_br_consume(br, 7);
}
for (j = 0; j < n && i < HUFFMAN_TABLE_SIZE; j++)
{
rar->lengthtable[i] = rar->lengthtable[i-1];
i++;
}
}
else
{
if(val == 18) {
if (!rar_br_read_ahead(a, br, 3)) {
free(precode.tree);
free(precode.table);
goto truncated_data;
}
n = rar_br_bits(br, 3) + 3;
rar_br_consume(br, 3);
} else {
if (!rar_br_read_ahead(a, br, 7)) {
free(precode.tree);
free(precode.table);
goto truncated_data;
}
n = rar_br_bits(br, 7) + 11;
rar_br_consume(br, 7);
}
for(j = 0; j < n && i < HUFFMAN_TABLE_SIZE; j++)
rar->lengthtable[i++] = 0;
}
}
free(precode.tree);
free(precode.table);
r = create_code(a, &rar->maincode, &rar->lengthtable[0], MAINCODE_SIZE,
MAX_SYMBOL_LENGTH);
if (r != ARCHIVE_OK)
return (r);
r = create_code(a, &rar->offsetcode, &rar->lengthtable[MAINCODE_SIZE],
OFFSETCODE_SIZE, MAX_SYMBOL_LENGTH);
if (r != ARCHIVE_OK)
return (r);
r = create_code(a, &rar->lowoffsetcode,
&rar->lengthtable[MAINCODE_SIZE + OFFSETCODE_SIZE],
LOWOFFSETCODE_SIZE, MAX_SYMBOL_LENGTH);
if (r != ARCHIVE_OK)
return (r);
r = create_code(a, &rar->lengthcode,
&rar->lengthtable[MAINCODE_SIZE + OFFSETCODE_SIZE +
LOWOFFSETCODE_SIZE], LENGTHCODE_SIZE, MAX_SYMBOL_LENGTH);
if (r != ARCHIVE_OK)
return (r);
}
if (!rar->dictionary_size || !rar->lzss.window)
{
/* Seems as though dictionary sizes are not used. Even so, minimize
* memory usage as much as possible.
*/
void *new_window;
unsigned int new_size;
if (rar->unp_size >= DICTIONARY_MAX_SIZE)
new_size = DICTIONARY_MAX_SIZE;
else
new_size = rar_fls((unsigned int)rar->unp_size) << 1;
new_window = realloc(rar->lzss.window, new_size);
if (new_window == NULL) {
archive_set_error(&a->archive, ENOMEM,
"Unable to allocate memory for uncompressed data.");
return (ARCHIVE_FATAL);
}
rar->lzss.window = (unsigned char *)new_window;
rar->dictionary_size = new_size;
memset(rar->lzss.window, 0, rar->dictionary_size);
rar->lzss.mask = rar->dictionary_size - 1;
}
rar->start_new_table = 0;
return (ARCHIVE_OK);
truncated_data:
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Truncated RAR file data");
rar->valid = 0;
return (ARCHIVE_FATAL);
}
|
CWE-415
| 182,104 | 3,458 |
150545278699006764862332540498851299079
| null | null | null |
FreeRDP
|
baee520e3dd9be6511c45a14c5f5e77784de1471
| 1 |
static UINT drdynvc_process_capability_request(drdynvcPlugin* drdynvc, int Sp,
int cbChId, wStream* s)
{
UINT status;
if (!drdynvc)
return CHANNEL_RC_BAD_INIT_HANDLE;
WLog_Print(drdynvc->log, WLOG_TRACE, "capability_request Sp=%d cbChId=%d", Sp, cbChId);
Stream_Seek(s, 1); /* pad */
Stream_Read_UINT16(s, drdynvc->version);
/* RDP8 servers offer version 3, though Microsoft forgot to document it
* in their early documents. It behaves the same as version 2.
*/
if ((drdynvc->version == 2) || (drdynvc->version == 3))
{
Stream_Read_UINT16(s, drdynvc->PriorityCharge0);
Stream_Read_UINT16(s, drdynvc->PriorityCharge1);
Stream_Read_UINT16(s, drdynvc->PriorityCharge2);
Stream_Read_UINT16(s, drdynvc->PriorityCharge3);
}
status = drdynvc_send_capability_response(drdynvc);
drdynvc->state = DRDYNVC_STATE_READY;
return status;
}
| 182,106 | 3,460 |
297380158017412487785090919249591779884
| null | null | null |
|
minisphere
|
252c1ca184cb38e1acb917aa0e451c5f08519996
| 1 |
layer_resize(int layer, int x_size, int y_size)
{
int old_height;
int old_width;
struct map_tile* tile;
int tile_width;
int tile_height;
struct map_tile* tilemap;
struct map_trigger* trigger;
struct map_zone* zone;
int x, y, i;
old_width = s_map->layers[layer].width;
old_height = s_map->layers[layer].height;
if (!(tilemap = malloc(x_size * y_size * sizeof(struct map_tile))))
return false;
for (x = 0; x < x_size; ++x) {
for (y = 0; y < y_size; ++y) {
if (x < old_width && y < old_height) {
tilemap[x + y * x_size] = s_map->layers[layer].tilemap[x + y * old_width];
}
else {
tile = &tilemap[x + y * x_size];
tile->frames_left = tileset_get_delay(s_map->tileset, 0);
tile->tile_index = 0;
}
}
}
free(s_map->layers[layer].tilemap);
s_map->layers[layer].tilemap = tilemap;
s_map->layers[layer].width = x_size;
s_map->layers[layer].height = y_size;
tileset_get_size(s_map->tileset, &tile_width, &tile_height);
s_map->width = 0;
s_map->height = 0;
for (i = 0; i < s_map->num_layers; ++i) {
if (!s_map->layers[i].is_parallax) {
s_map->width = fmax(s_map->width, s_map->layers[i].width * tile_width);
s_map->height = fmax(s_map->height, s_map->layers[i].height * tile_height);
}
}
for (i = (int)vector_len(s_map->zones) - 1; i >= 0; --i) {
zone = vector_get(s_map->zones, i);
if (zone->bounds.x1 >= s_map->width || zone->bounds.y1 >= s_map->height)
vector_remove(s_map->zones, i);
else {
if (zone->bounds.x2 > s_map->width)
zone->bounds.x2 = s_map->width;
if (zone->bounds.y2 > s_map->height)
zone->bounds.y2 = s_map->height;
}
}
for (i = (int)vector_len(s_map->triggers) - 1; i >= 0; --i) {
trigger = vector_get(s_map->triggers, i);
if (trigger->x >= s_map->width || trigger->y >= s_map->height)
vector_remove(s_map->triggers, i);
}
return true;
}
|
CWE-190
| 182,113 | 3,467 |
25690879642748459681337781606428928044
| null | null | null |
linux
|
a45b599ad808c3c982fdcdc12b0b8611c2f92824
| 1 |
sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size)
{
int ret_sz = 0, i, k, rem_sz, num, mx_sc_elems;
int sg_tablesize = sfp->parentdp->sg_tablesize;
int blk_size = buff_size, order;
gfp_t gfp_mask = GFP_ATOMIC | __GFP_COMP | __GFP_NOWARN;
struct sg_device *sdp = sfp->parentdp;
if (blk_size < 0)
return -EFAULT;
if (0 == blk_size)
++blk_size; /* don't know why */
/* round request up to next highest SG_SECTOR_SZ byte boundary */
blk_size = ALIGN(blk_size, SG_SECTOR_SZ);
SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sfp->parentdp,
"sg_build_indirect: buff_size=%d, blk_size=%d\n",
buff_size, blk_size));
/* N.B. ret_sz carried into this block ... */
mx_sc_elems = sg_build_sgat(schp, sfp, sg_tablesize);
if (mx_sc_elems < 0)
return mx_sc_elems; /* most likely -ENOMEM */
num = scatter_elem_sz;
if (unlikely(num != scatter_elem_sz_prev)) {
if (num < PAGE_SIZE) {
scatter_elem_sz = PAGE_SIZE;
scatter_elem_sz_prev = PAGE_SIZE;
} else
scatter_elem_sz_prev = num;
}
if (sdp->device->host->unchecked_isa_dma)
gfp_mask |= GFP_DMA;
if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
gfp_mask |= __GFP_ZERO;
order = get_order(num);
retry:
ret_sz = 1 << (PAGE_SHIFT + order);
for (k = 0, rem_sz = blk_size; rem_sz > 0 && k < mx_sc_elems;
k++, rem_sz -= ret_sz) {
num = (rem_sz > scatter_elem_sz_prev) ?
scatter_elem_sz_prev : rem_sz;
schp->pages[k] = alloc_pages(gfp_mask, order);
if (!schp->pages[k])
goto out;
if (num == scatter_elem_sz_prev) {
if (unlikely(ret_sz > scatter_elem_sz_prev)) {
scatter_elem_sz = ret_sz;
scatter_elem_sz_prev = ret_sz;
}
}
SCSI_LOG_TIMEOUT(5, sg_printk(KERN_INFO, sfp->parentdp,
"sg_build_indirect: k=%d, num=%d, ret_sz=%d\n",
k, num, ret_sz));
} /* end of for loop */
schp->page_order = order;
schp->k_use_sg = k;
SCSI_LOG_TIMEOUT(5, sg_printk(KERN_INFO, sfp->parentdp,
"sg_build_indirect: k_use_sg=%d, rem_sz=%d\n",
k, rem_sz));
schp->bufflen = blk_size;
if (rem_sz > 0) /* must have failed */
return -ENOMEM;
return 0;
out:
for (i = 0; i < k; i++)
__free_pages(schp->pages[i], order);
if (--order >= 0)
goto retry;
return -ENOMEM;
}
| 182,114 | 3,468 |
68278286929058632729527574465266939816
| null | null | null |
|
memcached
|
a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00
| 1 |
static inline void process_get_command(conn *c, token_t *tokens, size_t ntokens, bool return_cas) {
char *key;
size_t nkey;
int i = 0;
item *it;
token_t *key_token = &tokens[KEY_TOKEN];
char *suffix;
assert(c != NULL);
do {
while(key_token->length != 0) {
key = key_token->value;
nkey = key_token->length;
if(nkey > KEY_MAX_LENGTH) {
out_string(c, "CLIENT_ERROR bad command line format");
while (i-- > 0) {
item_remove(*(c->ilist + i));
}
return;
}
it = item_get(key, nkey, c, DO_UPDATE);
if (settings.detail_enabled) {
stats_prefix_record_get(key, nkey, NULL != it);
}
if (it) {
if (i >= c->isize) {
item **new_list = realloc(c->ilist, sizeof(item *) * c->isize * 2);
if (new_list) {
c->isize *= 2;
c->ilist = new_list;
} else {
STATS_LOCK();
stats.malloc_fails++;
STATS_UNLOCK();
item_remove(it);
break;
}
}
/*
* Construct the response. Each hit adds three elements to the
* outgoing data list:
* "VALUE "
* key
* " " + flags + " " + data length + "\r\n" + data (with \r\n)
*/
if (return_cas || !settings.inline_ascii_response)
{
MEMCACHED_COMMAND_GET(c->sfd, ITEM_key(it), it->nkey,
it->nbytes, ITEM_get_cas(it));
/* Goofy mid-flight realloc. */
if (i >= c->suffixsize) {
char **new_suffix_list = realloc(c->suffixlist,
sizeof(char *) * c->suffixsize * 2);
if (new_suffix_list) {
c->suffixsize *= 2;
c->suffixlist = new_suffix_list;
} else {
STATS_LOCK();
stats.malloc_fails++;
STATS_UNLOCK();
item_remove(it);
break;
}
}
suffix = do_cache_alloc(c->thread->suffix_cache);
if (suffix == NULL) {
STATS_LOCK();
stats.malloc_fails++;
STATS_UNLOCK();
out_of_memory(c, "SERVER_ERROR out of memory making CAS suffix");
item_remove(it);
while (i-- > 0) {
item_remove(*(c->ilist + i));
}
return;
}
*(c->suffixlist + i) = suffix;
int suffix_len = make_ascii_get_suffix(suffix, it, return_cas);
if (add_iov(c, "VALUE ", 6) != 0 ||
add_iov(c, ITEM_key(it), it->nkey) != 0 ||
(settings.inline_ascii_response && add_iov(c, ITEM_suffix(it), it->nsuffix - 2) != 0) ||
add_iov(c, suffix, suffix_len) != 0)
{
item_remove(it);
break;
}
if ((it->it_flags & ITEM_CHUNKED) == 0) {
add_iov(c, ITEM_data(it), it->nbytes);
} else if (add_chunked_item_iovs(c, it, it->nbytes) != 0) {
item_remove(it);
break;
}
}
else
{
MEMCACHED_COMMAND_GET(c->sfd, ITEM_key(it), it->nkey,
it->nbytes, ITEM_get_cas(it));
if (add_iov(c, "VALUE ", 6) != 0 ||
add_iov(c, ITEM_key(it), it->nkey) != 0)
{
item_remove(it);
break;
}
if ((it->it_flags & ITEM_CHUNKED) == 0)
{
if (add_iov(c, ITEM_suffix(it), it->nsuffix + it->nbytes) != 0)
{
item_remove(it);
break;
}
} else if (add_iov(c, ITEM_suffix(it), it->nsuffix) != 0 ||
add_chunked_item_iovs(c, it, it->nbytes) != 0) {
item_remove(it);
break;
}
}
if (settings.verbose > 1) {
int ii;
fprintf(stderr, ">%d sending key ", c->sfd);
for (ii = 0; ii < it->nkey; ++ii) {
fprintf(stderr, "%c", key[ii]);
}
fprintf(stderr, "\n");
}
/* item_get() has incremented it->refcount for us */
pthread_mutex_lock(&c->thread->stats.mutex);
c->thread->stats.slab_stats[ITEM_clsid(it)].get_hits++;
c->thread->stats.get_cmds++;
pthread_mutex_unlock(&c->thread->stats.mutex);
*(c->ilist + i) = it;
i++;
} else {
pthread_mutex_lock(&c->thread->stats.mutex);
c->thread->stats.get_misses++;
c->thread->stats.get_cmds++;
pthread_mutex_unlock(&c->thread->stats.mutex);
MEMCACHED_COMMAND_GET(c->sfd, key, nkey, -1, 0);
}
key_token++;
}
/*
* If the command string hasn't been fully processed, get the next set
* of tokens.
*/
if(key_token->value != NULL) {
ntokens = tokenize_command(key_token->value, tokens, MAX_TOKENS);
key_token = tokens;
}
} while(key_token->value != NULL);
c->icurr = c->ilist;
c->ileft = i;
if (return_cas || !settings.inline_ascii_response) {
c->suffixcurr = c->suffixlist;
c->suffixleft = i;
}
if (settings.verbose > 1)
fprintf(stderr, ">%d END\n", c->sfd);
/*
If the loop was terminated because of out-of-memory, it is not
reliable to add END\r\n to the buffer, because it might not end
in \r\n. So we send SERVER_ERROR instead.
*/
if (key_token->value != NULL || add_iov(c, "END\r\n", 5) != 0
|| (IS_UDP(c->transport) && build_udp_headers(c) != 0)) {
out_of_memory(c, "SERVER_ERROR out of memory writing get response");
}
else {
conn_set_state(c, conn_mwrite);
c->msgcurr = 0;
}
}
|
CWE-190
| 182,115 | 3,469 |
185526984390699903303946614940005842196
| null | null | null |
libxsmm
|
151481489192e6d1997f8bde52c5c425ea41741d
| 1 |
void libxsmm_sparse_csc_reader( libxsmm_generated_code* io_generated_code,
const char* i_csc_file_in,
unsigned int** o_row_idx,
unsigned int** o_column_idx,
double** o_values,
unsigned int* o_row_count,
unsigned int* o_column_count,
unsigned int* o_element_count ) {
FILE *l_csc_file_handle;
const unsigned int l_line_length = 512;
char l_line[512/*l_line_length*/+1];
unsigned int l_header_read = 0;
unsigned int* l_column_idx_id = NULL;
unsigned int l_i = 0;
l_csc_file_handle = fopen( i_csc_file_in, "r" );
if ( l_csc_file_handle == NULL ) {
LIBXSMM_HANDLE_ERROR( io_generated_code, LIBXSMM_ERR_CSC_INPUT );
return;
}
while (fgets(l_line, l_line_length, l_csc_file_handle) != NULL) {
if ( strlen(l_line) == l_line_length ) {
free(*o_row_idx); free(*o_column_idx); free(*o_values); free(l_column_idx_id);
*o_row_idx = 0; *o_column_idx = 0; *o_values = 0;
fclose( l_csc_file_handle ); /* close mtx file */
LIBXSMM_HANDLE_ERROR( io_generated_code, LIBXSMM_ERR_CSC_READ_LEN );
return;
}
/* check if we are still reading comments header */
if ( l_line[0] == '%' ) {
continue;
} else {
/* if we are the first line after comment header, we allocate our data structures */
if ( l_header_read == 0 ) {
if ( sscanf(l_line, "%u %u %u", o_row_count, o_column_count, o_element_count) == 3 ) {
/* allocate CSC data structure matching mtx file */
*o_row_idx = (unsigned int*) malloc(sizeof(unsigned int) * (*o_element_count));
*o_column_idx = (unsigned int*) malloc(sizeof(unsigned int) * ((size_t)(*o_column_count) + 1));
*o_values = (double*) malloc(sizeof(double) * (*o_element_count));
l_column_idx_id = (unsigned int*) malloc(sizeof(unsigned int) * (*o_column_count));
/* check if mallocs were successful */
if ( ( *o_row_idx == NULL ) ||
( *o_column_idx == NULL ) ||
( *o_values == NULL ) ||
( l_column_idx_id == NULL ) ) {
free(*o_row_idx); free(*o_column_idx); free(*o_values); free(l_column_idx_id);
*o_row_idx = 0; *o_column_idx = 0; *o_values = 0;
fclose(l_csc_file_handle); /* close mtx file */
LIBXSMM_HANDLE_ERROR( io_generated_code, LIBXSMM_ERR_CSC_ALLOC_DATA );
return;
}
/* set everything to zero for init */
memset(*o_row_idx, 0, sizeof(unsigned int) * (*o_element_count));
memset(*o_column_idx, 0, sizeof(unsigned int) * ((size_t)(*o_column_count) + 1));
memset(*o_values, 0, sizeof(double) * (*o_element_count));
memset(l_column_idx_id, 0, sizeof(unsigned int) * (*o_column_count));
/* init column idx */
for (l_i = 0; l_i <= *o_column_count; ++l_i) {
(*o_column_idx)[l_i] = *o_element_count;
}
/* init */
(*o_column_idx)[0] = 0;
l_i = 0;
l_header_read = 1;
} else {
LIBXSMM_HANDLE_ERROR( io_generated_code, LIBXSMM_ERR_CSC_READ_DESC );
fclose( l_csc_file_handle ); /* close mtx file */
return;
}
/* now we read the actual content */
} else {
unsigned int l_row = 0, l_column = 0;
double l_value = 0;
/* read a line of content */
if ( sscanf(l_line, "%u %u %lf", &l_row, &l_column, &l_value) != 3 ) {
free(*o_row_idx); free(*o_column_idx); free(*o_values); free(l_column_idx_id);
*o_row_idx = 0; *o_column_idx = 0; *o_values = 0;
fclose(l_csc_file_handle); /* close mtx file */
LIBXSMM_HANDLE_ERROR( io_generated_code, LIBXSMM_ERR_CSC_READ_ELEMS );
return;
}
/* adjust numbers to zero termination */
l_row--;
l_column--;
/* add these values to row and value structure */
(*o_row_idx)[l_i] = l_row;
(*o_values)[l_i] = l_value;
l_i++;
/* handle columns, set id to own for this column, yeah we need to handle empty columns */
l_column_idx_id[l_column] = 1;
(*o_column_idx)[l_column+1] = l_i;
}
}
}
/* close mtx file */
fclose( l_csc_file_handle );
/* check if we read a file which was consistent */
if ( l_i != (*o_element_count) ) {
free(*o_row_idx); free(*o_column_idx); free(*o_values); free(l_column_idx_id);
*o_row_idx = 0; *o_column_idx = 0; *o_values = 0;
LIBXSMM_HANDLE_ERROR( io_generated_code, LIBXSMM_ERR_CSC_LEN );
return;
}
if ( l_column_idx_id != NULL ) {
/* let's handle empty columns */
for ( l_i = 0; l_i < (*o_column_count); l_i++) {
if ( l_column_idx_id[l_i] == 0 ) {
(*o_column_idx)[l_i+1] = (*o_column_idx)[l_i];
}
}
/* free helper data structure */
free( l_column_idx_id );
}
}
|
CWE-119
| 182,122 | 3,476 |
58824011372759273259485558034466180992
| null | null | null |
linux
|
9824dfae5741275473a23a7ed5756c7b6efacc9d
| 1 |
static int ipddp_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct ipddp_route __user *rt = ifr->ifr_data;
struct ipddp_route rcp, rcp2, *rp;
if(!capable(CAP_NET_ADMIN))
return -EPERM;
if(copy_from_user(&rcp, rt, sizeof(rcp)))
return -EFAULT;
switch(cmd)
{
case SIOCADDIPDDPRT:
return ipddp_create(&rcp);
case SIOCFINDIPDDPRT:
spin_lock_bh(&ipddp_route_lock);
rp = __ipddp_find_route(&rcp);
if (rp)
memcpy(&rcp2, rp, sizeof(rcp2));
spin_unlock_bh(&ipddp_route_lock);
if (rp) {
if (copy_to_user(rt, &rcp2,
sizeof(struct ipddp_route)))
return -EFAULT;
return 0;
} else
return -ENOENT;
case SIOCDELIPDDPRT:
return ipddp_delete(&rcp);
default:
return -EINVAL;
}
}
|
CWE-200
| 182,124 | 3,478 |
248089498899169825568802270344337147138
| null | null | null |
ImageMagick
|
db0add932fb850d762b02604ca3053b7d7ab6deb
| 1 |
static Image *ReadBMPImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
BMPInfo
bmp_info;
Image
*image;
MagickBooleanType
status;
MagickOffsetType
offset,
start_position;
MemoryInfo
*pixel_info;
Quantum
index;
register Quantum
*q;
register ssize_t
i,
x;
register unsigned char
*p;
size_t
bit,
bytes_per_line,
length;
ssize_t
count,
y;
unsigned char
magick[12],
*pixels;
unsigned int
blue,
green,
offset_bits,
red;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Determine if this a BMP file.
*/
(void) memset(&bmp_info,0,sizeof(bmp_info));
bmp_info.ba_offset=0;
start_position=0;
offset_bits=0;
count=ReadBlob(image,2,magick);
if (count != 2)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
do
{
PixelInfo
quantum_bits;
PixelPacket
shift;
/*
Verify BMP identifier.
*/
start_position=TellBlob(image)-2;
bmp_info.ba_offset=0;
while (LocaleNCompare((char *) magick,"BA",2) == 0)
{
bmp_info.file_size=ReadBlobLSBLong(image);
bmp_info.ba_offset=ReadBlobLSBLong(image);
bmp_info.offset_bits=ReadBlobLSBLong(image);
count=ReadBlob(image,2,magick);
if (count != 2)
break;
}
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule()," Magick: %c%c",
magick[0],magick[1]);
if ((count != 2) || ((LocaleNCompare((char *) magick,"BM",2) != 0) &&
(LocaleNCompare((char *) magick,"CI",2) != 0)))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
bmp_info.file_size=ReadBlobLSBLong(image);
(void) ReadBlobLSBLong(image);
bmp_info.offset_bits=ReadBlobLSBLong(image);
bmp_info.size=ReadBlobLSBLong(image);
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule()," BMP size: %u",
bmp_info.size);
if (bmp_info.size == 12)
{
/*
OS/2 BMP image file.
*/
(void) CopyMagickString(image->magick,"BMP2",MagickPathExtent);
bmp_info.width=(ssize_t) ((short) ReadBlobLSBShort(image));
bmp_info.height=(ssize_t) ((short) ReadBlobLSBShort(image));
bmp_info.planes=ReadBlobLSBShort(image);
bmp_info.bits_per_pixel=ReadBlobLSBShort(image);
bmp_info.x_pixels=0;
bmp_info.y_pixels=0;
bmp_info.number_colors=0;
bmp_info.compression=BI_RGB;
bmp_info.image_size=0;
bmp_info.alpha_mask=0;
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Format: OS/2 Bitmap");
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Geometry: %.20gx%.20g",(double) bmp_info.width,(double)
bmp_info.height);
}
}
else
{
/*
Microsoft Windows BMP image file.
*/
if (bmp_info.size < 40)
ThrowReaderException(CorruptImageError,"NonOS2HeaderSizeError");
bmp_info.width=(ssize_t) ReadBlobLSBSignedLong(image);
bmp_info.height=(ssize_t) ReadBlobLSBSignedLong(image);
bmp_info.planes=ReadBlobLSBShort(image);
bmp_info.bits_per_pixel=ReadBlobLSBShort(image);
bmp_info.compression=ReadBlobLSBLong(image);
bmp_info.image_size=ReadBlobLSBLong(image);
bmp_info.x_pixels=ReadBlobLSBLong(image);
bmp_info.y_pixels=ReadBlobLSBLong(image);
bmp_info.number_colors=ReadBlobLSBLong(image);
if (bmp_info.number_colors > GetBlobSize(image))
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
bmp_info.colors_important=ReadBlobLSBLong(image);
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Format: MS Windows bitmap");
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Geometry: %.20gx%.20g",(double) bmp_info.width,(double)
bmp_info.height);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Bits per pixel: %.20g",(double) bmp_info.bits_per_pixel);
switch (bmp_info.compression)
{
case BI_RGB:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_RGB");
break;
}
case BI_RLE4:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_RLE4");
break;
}
case BI_RLE8:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_RLE8");
break;
}
case BI_BITFIELDS:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_BITFIELDS");
break;
}
case BI_PNG:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_PNG");
break;
}
case BI_JPEG:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_JPEG");
break;
}
default:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: UNKNOWN (%u)",bmp_info.compression);
}
}
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Number of colors: %u",bmp_info.number_colors);
}
bmp_info.red_mask=ReadBlobLSBLong(image);
bmp_info.green_mask=ReadBlobLSBLong(image);
bmp_info.blue_mask=ReadBlobLSBLong(image);
if (bmp_info.size > 40)
{
double
gamma;
/*
Read color management information.
*/
bmp_info.alpha_mask=ReadBlobLSBLong(image);
bmp_info.colorspace=ReadBlobLSBSignedLong(image);
/*
Decode 2^30 fixed point formatted CIE primaries.
*/
# define BMP_DENOM ((double) 0x40000000)
bmp_info.red_primary.x=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.red_primary.y=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.red_primary.z=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.green_primary.x=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.green_primary.y=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.green_primary.z=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.blue_primary.x=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.blue_primary.y=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.blue_primary.z=(double) ReadBlobLSBLong(image)/BMP_DENOM;
gamma=bmp_info.red_primary.x+bmp_info.red_primary.y+
bmp_info.red_primary.z;
gamma=PerceptibleReciprocal(gamma);
bmp_info.red_primary.x*=gamma;
bmp_info.red_primary.y*=gamma;
image->chromaticity.red_primary.x=bmp_info.red_primary.x;
image->chromaticity.red_primary.y=bmp_info.red_primary.y;
gamma=bmp_info.green_primary.x+bmp_info.green_primary.y+
bmp_info.green_primary.z;
gamma=PerceptibleReciprocal(gamma);
bmp_info.green_primary.x*=gamma;
bmp_info.green_primary.y*=gamma;
image->chromaticity.green_primary.x=bmp_info.green_primary.x;
image->chromaticity.green_primary.y=bmp_info.green_primary.y;
gamma=bmp_info.blue_primary.x+bmp_info.blue_primary.y+
bmp_info.blue_primary.z;
gamma=PerceptibleReciprocal(gamma);
bmp_info.blue_primary.x*=gamma;
bmp_info.blue_primary.y*=gamma;
image->chromaticity.blue_primary.x=bmp_info.blue_primary.x;
image->chromaticity.blue_primary.y=bmp_info.blue_primary.y;
/*
Decode 16^16 fixed point formatted gamma_scales.
*/
bmp_info.gamma_scale.x=(double) ReadBlobLSBLong(image)/0x10000;
bmp_info.gamma_scale.y=(double) ReadBlobLSBLong(image)/0x10000;
bmp_info.gamma_scale.z=(double) ReadBlobLSBLong(image)/0x10000;
/*
Compute a single gamma from the BMP 3-channel gamma.
*/
image->gamma=(bmp_info.gamma_scale.x+bmp_info.gamma_scale.y+
bmp_info.gamma_scale.z)/3.0;
}
else
(void) CopyMagickString(image->magick,"BMP3",MagickPathExtent);
if (bmp_info.size > 108)
{
size_t
intent;
/*
Read BMP Version 5 color management information.
*/
intent=ReadBlobLSBLong(image);
switch ((int) intent)
{
case LCS_GM_BUSINESS:
{
image->rendering_intent=SaturationIntent;
break;
}
case LCS_GM_GRAPHICS:
{
image->rendering_intent=RelativeIntent;
break;
}
case LCS_GM_IMAGES:
{
image->rendering_intent=PerceptualIntent;
break;
}
case LCS_GM_ABS_COLORIMETRIC:
{
image->rendering_intent=AbsoluteIntent;
break;
}
}
(void) ReadBlobLSBLong(image); /* Profile data */
(void) ReadBlobLSBLong(image); /* Profile size */
(void) ReadBlobLSBLong(image); /* Reserved byte */
}
}
if ((MagickSizeType) bmp_info.file_size > GetBlobSize(image))
(void) ThrowMagickException(exception,GetMagickModule(),CorruptImageError,
"LengthAndFilesizeDoNotMatch","`%s'",image->filename);
else
if ((MagickSizeType) bmp_info.file_size < GetBlobSize(image))
(void) ThrowMagickException(exception,GetMagickModule(),
CorruptImageWarning,"LengthAndFilesizeDoNotMatch","`%s'",
image->filename);
if (bmp_info.width <= 0)
ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
if (bmp_info.height == 0)
ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
if (bmp_info.planes != 1)
ThrowReaderException(CorruptImageError,"StaticPlanesValueNotEqualToOne");
if ((bmp_info.bits_per_pixel != 1) && (bmp_info.bits_per_pixel != 4) &&
(bmp_info.bits_per_pixel != 8) && (bmp_info.bits_per_pixel != 16) &&
(bmp_info.bits_per_pixel != 24) && (bmp_info.bits_per_pixel != 32))
ThrowReaderException(CorruptImageError,"UnrecognizedBitsPerPixel");
if (bmp_info.bits_per_pixel < 16 &&
bmp_info.number_colors > (1U << bmp_info.bits_per_pixel))
ThrowReaderException(CorruptImageError,"UnrecognizedNumberOfColors");
if ((bmp_info.compression == 1) && (bmp_info.bits_per_pixel != 8))
ThrowReaderException(CorruptImageError,"UnrecognizedBitsPerPixel");
if ((bmp_info.compression == 2) && (bmp_info.bits_per_pixel != 4))
ThrowReaderException(CorruptImageError,"UnrecognizedBitsPerPixel");
if ((bmp_info.compression == 3) && (bmp_info.bits_per_pixel < 16))
ThrowReaderException(CorruptImageError,"UnrecognizedBitsPerPixel");
switch (bmp_info.compression)
{
case BI_RGB:
image->compression=NoCompression;
break;
case BI_RLE8:
case BI_RLE4:
image->compression=RLECompression;
break;
case BI_BITFIELDS:
break;
case BI_JPEG:
ThrowReaderException(CoderError,"JPEGCompressNotSupported");
case BI_PNG:
ThrowReaderException(CoderError,"PNGCompressNotSupported");
default:
ThrowReaderException(CorruptImageError,"UnrecognizedImageCompression");
}
image->columns=(size_t) MagickAbsoluteValue(bmp_info.width);
image->rows=(size_t) MagickAbsoluteValue(bmp_info.height);
image->depth=bmp_info.bits_per_pixel <= 8 ? bmp_info.bits_per_pixel : 8;
image->alpha_trait=((bmp_info.alpha_mask != 0) &&
(bmp_info.compression == BI_BITFIELDS)) ? BlendPixelTrait :
UndefinedPixelTrait;
if (bmp_info.bits_per_pixel < 16)
{
size_t
one;
image->storage_class=PseudoClass;
image->colors=bmp_info.number_colors;
one=1;
if (image->colors == 0)
image->colors=one << bmp_info.bits_per_pixel;
}
image->resolution.x=(double) bmp_info.x_pixels/100.0;
image->resolution.y=(double) bmp_info.y_pixels/100.0;
image->units=PixelsPerCentimeterResolution;
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
if (image->storage_class == PseudoClass)
{
unsigned char
*bmp_colormap;
size_t
packet_size;
/*
Read BMP raster colormap.
*/
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Reading colormap of %.20g colors",(double) image->colors);
if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
bmp_colormap=(unsigned char *) AcquireQuantumMemory((size_t)
image->colors,4*sizeof(*bmp_colormap));
if (bmp_colormap == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
if ((bmp_info.size == 12) || (bmp_info.size == 64))
packet_size=3;
else
packet_size=4;
offset=SeekBlob(image,start_position+14+bmp_info.size,SEEK_SET);
if (offset < 0)
{
bmp_colormap=(unsigned char *) RelinquishMagickMemory(bmp_colormap);
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
count=ReadBlob(image,packet_size*image->colors,bmp_colormap);
if (count != (ssize_t) (packet_size*image->colors))
{
bmp_colormap=(unsigned char *) RelinquishMagickMemory(bmp_colormap);
ThrowReaderException(CorruptImageError,
"InsufficientImageDataInFile");
}
p=bmp_colormap;
for (i=0; i < (ssize_t) image->colors; i++)
{
image->colormap[i].blue=(MagickRealType) ScaleCharToQuantum(*p++);
image->colormap[i].green=(MagickRealType) ScaleCharToQuantum(*p++);
image->colormap[i].red=(MagickRealType) ScaleCharToQuantum(*p++);
if (packet_size == 4)
p++;
}
bmp_colormap=(unsigned char *) RelinquishMagickMemory(bmp_colormap);
}
/*
Read image data.
*/
if (bmp_info.offset_bits == offset_bits)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
offset_bits=bmp_info.offset_bits;
offset=SeekBlob(image,start_position+bmp_info.offset_bits,SEEK_SET);
if (offset < 0)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if (bmp_info.compression == BI_RLE4)
bmp_info.bits_per_pixel<<=1;
bytes_per_line=4*((image->columns*bmp_info.bits_per_pixel+31)/32);
length=(size_t) bytes_per_line*image->rows;
if ((bmp_info.compression == BI_RGB) ||
(bmp_info.compression == BI_BITFIELDS))
{
if ((MagickSizeType) length > GetBlobSize(image))
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
pixel_info=AcquireVirtualMemory(image->rows,
MagickMax(bytes_per_line,image->columns+256UL)*sizeof(*pixels));
if (pixel_info == (MemoryInfo *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Reading pixels (%.20g bytes)",(double) length);
count=ReadBlob(image,length,pixels);
if (count != (ssize_t) length)
{
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,
"InsufficientImageDataInFile");
}
}
else
{
/*
Convert run-length encoded raster pixels.
*/
pixel_info=AcquireVirtualMemory(image->rows,
MagickMax(bytes_per_line,image->columns+256UL)*sizeof(*pixels));
if (pixel_info == (MemoryInfo *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
status=DecodeImage(image,bmp_info.compression,pixels,
image->columns*image->rows);
if (status == MagickFalse)
{
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,
"UnableToRunlengthDecodeImage");
}
}
/*
Convert BMP raster image to pixel packets.
*/
if (bmp_info.compression == BI_RGB)
{
/*
We should ignore the alpha value in BMP3 files but there have been
reports about 32 bit files with alpha. We do a quick check to see if
the alpha channel contains a value that is not zero (default value).
If we find a non zero value we asume the program that wrote the file
wants to use the alpha channel.
*/
if ((image->alpha_trait == UndefinedPixelTrait) && (bmp_info.size == 40) &&
(bmp_info.bits_per_pixel == 32))
{
bytes_per_line=4*(image->columns);
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
for (x=0; x < (ssize_t) image->columns; x++)
{
if (*(p+3) != 0)
{
image->alpha_trait=BlendPixelTrait;
y=-1;
break;
}
p+=4;
}
}
}
bmp_info.alpha_mask=image->alpha_trait != UndefinedPixelTrait ?
0xff000000U : 0U;
bmp_info.red_mask=0x00ff0000U;
bmp_info.green_mask=0x0000ff00U;
bmp_info.blue_mask=0x000000ffU;
if (bmp_info.bits_per_pixel == 16)
{
/*
RGB555.
*/
bmp_info.red_mask=0x00007c00U;
bmp_info.green_mask=0x000003e0U;
bmp_info.blue_mask=0x0000001fU;
}
}
(void) memset(&shift,0,sizeof(shift));
(void) memset(&quantum_bits,0,sizeof(quantum_bits));
if ((bmp_info.bits_per_pixel == 16) || (bmp_info.bits_per_pixel == 32))
{
register unsigned int
sample;
/*
Get shift and quantum bits info from bitfield masks.
*/
if (bmp_info.red_mask != 0)
while (((bmp_info.red_mask << shift.red) & 0x80000000UL) == 0)
{
shift.red++;
if (shift.red >= 32U)
break;
}
if (bmp_info.green_mask != 0)
while (((bmp_info.green_mask << shift.green) & 0x80000000UL) == 0)
{
shift.green++;
if (shift.green >= 32U)
break;
}
if (bmp_info.blue_mask != 0)
while (((bmp_info.blue_mask << shift.blue) & 0x80000000UL) == 0)
{
shift.blue++;
if (shift.blue >= 32U)
break;
}
if (bmp_info.alpha_mask != 0)
while (((bmp_info.alpha_mask << shift.alpha) & 0x80000000UL) == 0)
{
shift.alpha++;
if (shift.alpha >= 32U)
break;
}
sample=shift.red;
while (((bmp_info.red_mask << sample) & 0x80000000UL) != 0)
{
sample++;
if (sample >= 32U)
break;
}
quantum_bits.red=(MagickRealType) (sample-shift.red);
sample=shift.green;
while (((bmp_info.green_mask << sample) & 0x80000000UL) != 0)
{
sample++;
if (sample >= 32U)
break;
}
quantum_bits.green=(MagickRealType) (sample-shift.green);
sample=shift.blue;
while (((bmp_info.blue_mask << sample) & 0x80000000UL) != 0)
{
sample++;
if (sample >= 32U)
break;
}
quantum_bits.blue=(MagickRealType) (sample-shift.blue);
sample=shift.alpha;
while (((bmp_info.alpha_mask << sample) & 0x80000000UL) != 0)
{
sample++;
if (sample >= 32U)
break;
}
quantum_bits.alpha=(MagickRealType) (sample-shift.alpha);
}
switch (bmp_info.bits_per_pixel)
{
case 1:
{
/*
Convert bitmap scanline.
*/
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < ((ssize_t) image->columns-7); x+=8)
{
for (bit=0; bit < 8; bit++)
{
index=(Quantum) (((*p) & (0x80 >> bit)) != 0 ? 0x01 : 0x00);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
}
p++;
}
if ((image->columns % 8) != 0)
{
for (bit=0; bit < (image->columns % 8); bit++)
{
index=(Quantum) (((*p) & (0x80 >> bit)) != 0 ? 0x01 : 0x00);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
}
p++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
(void) SyncImage(image,exception);
break;
}
case 4:
{
/*
Convert PseudoColor scanline.
*/
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < ((ssize_t) image->columns-1); x+=2)
{
ValidateColormapValue(image,(ssize_t) ((*p >> 4) & 0x0f),&index,
exception);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
ValidateColormapValue(image,(ssize_t) (*p & 0x0f),&index,exception);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
p++;
}
if ((image->columns % 2) != 0)
{
ValidateColormapValue(image,(ssize_t) ((*p >> 4) & 0xf),&index,
exception);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
p++;
x++;
}
if (x < (ssize_t) image->columns)
break;
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
(void) SyncImage(image,exception);
break;
}
case 8:
{
/*
Convert PseudoColor scanline.
*/
if ((bmp_info.compression == BI_RLE8) ||
(bmp_info.compression == BI_RLE4))
bytes_per_line=image->columns;
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=(ssize_t) image->columns; x != 0; --x)
{
ValidateColormapValue(image,(ssize_t) *p++,&index,exception);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
offset=(MagickOffsetType) (image->rows-y-1);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
(void) SyncImage(image,exception);
break;
}
case 16:
{
unsigned int
alpha,
pixel;
/*
Convert bitfield encoded 16-bit PseudoColor scanline.
*/
if ((bmp_info.compression != BI_RGB) &&
(bmp_info.compression != BI_BITFIELDS))
{
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,
"UnrecognizedImageCompression");
}
bytes_per_line=2*(image->columns+image->columns % 2);
image->storage_class=DirectClass;
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
pixel=(unsigned int) (*p++);
pixel|=(*p++) << 8;
red=((pixel & bmp_info.red_mask) << shift.red) >> 16;
if (quantum_bits.red == 5)
red|=((red & 0xe000) >> 5);
if (quantum_bits.red <= 8)
red|=((red & 0xff00) >> 8);
green=((pixel & bmp_info.green_mask) << shift.green) >> 16;
if (quantum_bits.green == 5)
green|=((green & 0xe000) >> 5);
if (quantum_bits.green == 6)
green|=((green & 0xc000) >> 6);
if (quantum_bits.green <= 8)
green|=((green & 0xff00) >> 8);
blue=((pixel & bmp_info.blue_mask) << shift.blue) >> 16;
if (quantum_bits.blue == 5)
blue|=((blue & 0xe000) >> 5);
if (quantum_bits.blue <= 8)
blue|=((blue & 0xff00) >> 8);
SetPixelRed(image,ScaleShortToQuantum((unsigned short) red),q);
SetPixelGreen(image,ScaleShortToQuantum((unsigned short) green),q);
SetPixelBlue(image,ScaleShortToQuantum((unsigned short) blue),q);
SetPixelAlpha(image,OpaqueAlpha,q);
if (image->alpha_trait != UndefinedPixelTrait)
{
alpha=((pixel & bmp_info.alpha_mask) << shift.alpha) >> 16;
if (quantum_bits.alpha <= 8)
alpha|=((alpha & 0xff00) >> 8);
SetPixelAlpha(image,ScaleShortToQuantum(
(unsigned short) alpha),q);
}
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
offset=(MagickOffsetType) (image->rows-y-1);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
case 24:
{
/*
Convert DirectColor scanline.
*/
bytes_per_line=4*((image->columns*24+31)/32);
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
SetPixelRed(image,ScaleCharToQuantum(*p++),q);
SetPixelAlpha(image,OpaqueAlpha,q);
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
offset=(MagickOffsetType) (image->rows-y-1);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
case 32:
{
/*
Convert bitfield encoded DirectColor scanline.
*/
if ((bmp_info.compression != BI_RGB) &&
(bmp_info.compression != BI_BITFIELDS))
{
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,
"UnrecognizedImageCompression");
}
bytes_per_line=4*(image->columns);
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
unsigned int
alpha,
pixel;
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
pixel=(unsigned int) (*p++);
pixel|=((unsigned int) *p++ << 8);
pixel|=((unsigned int) *p++ << 16);
pixel|=((unsigned int) *p++ << 24);
red=((pixel & bmp_info.red_mask) << shift.red) >> 16;
if (quantum_bits.red == 8)
red|=(red >> 8);
green=((pixel & bmp_info.green_mask) << shift.green) >> 16;
if (quantum_bits.green == 8)
green|=(green >> 8);
blue=((pixel & bmp_info.blue_mask) << shift.blue) >> 16;
if (quantum_bits.blue == 8)
blue|=(blue >> 8);
SetPixelRed(image,ScaleShortToQuantum((unsigned short) red),q);
SetPixelGreen(image,ScaleShortToQuantum((unsigned short) green),q);
SetPixelBlue(image,ScaleShortToQuantum((unsigned short) blue),q);
SetPixelAlpha(image,OpaqueAlpha,q);
if (image->alpha_trait != UndefinedPixelTrait)
{
alpha=((pixel & bmp_info.alpha_mask) << shift.alpha) >> 16;
if (quantum_bits.alpha == 8)
alpha|=(alpha >> 8);
SetPixelAlpha(image,ScaleShortToQuantum(
(unsigned short) alpha),q);
}
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
offset=(MagickOffsetType) (image->rows-y-1);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
default:
{
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
}
pixel_info=RelinquishVirtualMemory(pixel_info);
if (y > 0)
break;
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
if (bmp_info.height < 0)
{
Image
*flipped_image;
/*
Correct image orientation.
*/
flipped_image=FlipImage(image,exception);
if (flipped_image != (Image *) NULL)
{
DuplicateBlob(flipped_image,image);
ReplaceImageInList(&image, flipped_image);
image=flipped_image;
}
}
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
*magick='\0';
if (bmp_info.ba_offset != 0)
{
offset=SeekBlob(image,(MagickOffsetType) bmp_info.ba_offset,SEEK_SET);
if (offset < 0)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
count=ReadBlob(image,2,magick);
if ((count == 2) && (IsBMP(magick,2) != MagickFalse))
{
/*
Acquire next image structure.
*/
AcquireNextImage(image_info,image,exception);
if (GetNextImageInList(image) == (Image *) NULL)
{
status=MagickFalse;
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
} while (IsBMP(magick,2) != MagickFalse);
(void) CloseBlob(image);
if (status == MagickFalse)
return(DestroyImageList(image));
return(GetFirstImageInList(image));
}
|
CWE-835
| 182,125 | 3,479 |
272939187823507498878047673024077106447
| null | null | null |
radare2
|
4e98402f09a0ef0bb8559a33a4c1988c54938eaf
| 1 |
struct r_bin_dyldcache_lib_t *r_bin_dyldcache_extract(struct r_bin_dyldcache_obj_t* bin, int idx, int *nlib) {
ut64 liboff, linkedit_offset;
ut64 dyld_vmbase;
ut32 addend = 0;
struct r_bin_dyldcache_lib_t *ret = NULL;
struct dyld_cache_image_info* image_infos = NULL;
struct mach_header *mh;
ut8 *data, *cmdptr;
int cmd, libsz = 0;
RBuffer* dbuf;
char *libname;
if (!bin) {
return NULL;
}
if (bin->size < 1) {
eprintf ("Empty file? (%s)\n", bin->file? bin->file: "(null)");
return NULL;
}
if (bin->nlibs < 0 || idx < 0 || idx >= bin->nlibs) {
return NULL;
}
*nlib = bin->nlibs;
ret = R_NEW0 (struct r_bin_dyldcache_lib_t);
if (!ret) {
perror ("malloc (ret)");
return NULL;
}
if (bin->hdr.startaddr > bin->size) {
eprintf ("corrupted dyldcache");
free (ret);
return NULL;
}
if (bin->hdr.startaddr > bin->size || bin->hdr.baseaddroff > bin->size) {
eprintf ("corrupted dyldcache");
free (ret);
return NULL;
}
image_infos = (struct dyld_cache_image_info*) (bin->b->buf + bin->hdr.startaddr);
dyld_vmbase = *(ut64 *)(bin->b->buf + bin->hdr.baseaddroff);
liboff = image_infos[idx].address - dyld_vmbase;
if (liboff > bin->size) {
eprintf ("Corrupted file\n");
free (ret);
return NULL;
}
ret->offset = liboff;
if (image_infos[idx].pathFileOffset > bin->size) {
eprintf ("corrupted file\n");
free (ret);
return NULL;
}
libname = (char *)(bin->b->buf + image_infos[idx].pathFileOffset);
/* Locate lib hdr in cache */
data = bin->b->buf + liboff;
mh = (struct mach_header *)data;
/* Check it is mach-o */
if (mh->magic != MH_MAGIC && mh->magic != MH_MAGIC_64) {
if (mh->magic == 0xbebafeca) { //FAT binary
eprintf ("FAT Binary\n");
}
eprintf ("Not mach-o\n");
free (ret);
return NULL;
}
/* Write mach-o hdr */
if (!(dbuf = r_buf_new ())) {
eprintf ("new (dbuf)\n");
free (ret);
return NULL;
}
addend = mh->magic == MH_MAGIC? sizeof (struct mach_header) : sizeof (struct mach_header_64);
r_buf_set_bytes (dbuf, data, addend);
cmdptr = data + addend;
/* Write load commands */
for (cmd = 0; cmd < mh->ncmds; cmd++) {
struct load_command *lc = (struct load_command *)cmdptr;
r_buf_append_bytes (dbuf, (ut8*)lc, lc->cmdsize);
cmdptr += lc->cmdsize;
}
cmdptr = data + addend;
/* Write segments */
for (cmd = linkedit_offset = 0; cmd < mh->ncmds; cmd++) {
struct load_command *lc = (struct load_command *)cmdptr;
cmdptr += lc->cmdsize;
switch (lc->cmd) {
case LC_SEGMENT:
{
/* Write segment and patch offset */
struct segment_command *seg = (struct segment_command *)lc;
int t = seg->filesize;
if (seg->fileoff + seg->filesize > bin->size || seg->fileoff > bin->size) {
eprintf ("malformed dyldcache\n");
free (ret);
r_buf_free (dbuf);
return NULL;
}
r_buf_append_bytes (dbuf, bin->b->buf+seg->fileoff, t);
r_bin_dyldcache_apply_patch (dbuf, dbuf->length, (ut64)((size_t)&seg->fileoff - (size_t)data));
/* Patch section offsets */
int sect_offset = seg->fileoff - libsz;
libsz = dbuf->length;
if (!strcmp (seg->segname, "__LINKEDIT")) {
linkedit_offset = sect_offset;
}
if (seg->nsects > 0) {
struct section *sects = (struct section *)((ut8 *)seg + sizeof(struct segment_command));
int nsect;
for (nsect = 0; nsect < seg->nsects; nsect++) {
if (sects[nsect].offset > libsz) {
r_bin_dyldcache_apply_patch (dbuf, sects[nsect].offset - sect_offset,
(ut64)((size_t)§s[nsect].offset - (size_t)data));
}
}
}
}
break;
case LC_SYMTAB:
{
struct symtab_command *st = (struct symtab_command *)lc;
NZ_OFFSET (st->symoff);
NZ_OFFSET (st->stroff);
}
break;
case LC_DYSYMTAB:
{
struct dysymtab_command *st = (struct dysymtab_command *)lc;
NZ_OFFSET (st->tocoff);
NZ_OFFSET (st->modtaboff);
NZ_OFFSET (st->extrefsymoff);
NZ_OFFSET (st->indirectsymoff);
NZ_OFFSET (st->extreloff);
NZ_OFFSET (st->locreloff);
}
break;
case LC_DYLD_INFO:
case LC_DYLD_INFO_ONLY:
{
struct dyld_info_command *st = (struct dyld_info_command *)lc;
NZ_OFFSET (st->rebase_off);
NZ_OFFSET (st->bind_off);
NZ_OFFSET (st->weak_bind_off);
NZ_OFFSET (st->lazy_bind_off);
NZ_OFFSET (st->export_off);
}
break;
}
}
/* Fill r_bin_dyldcache_lib_t ret */
ret->b = dbuf;
strncpy (ret->path, libname, sizeof (ret->path) - 1);
ret->size = libsz;
return ret;
}
|
CWE-125
| 182,126 | 3,480 |
77793453937260053155536726980440082213
| null | null | null |
mosquitto
|
9097577b49b7fdcf45d30975976dd93808ccc0c4
| 1 |
int config__parse_args(struct mosquitto_db *db, struct mosquitto__config *config, int argc, char *argv[])
{
int i;
int port_tmp;
for(i=1; i<argc; i++){
if(!strcmp(argv[i], "-c") || !strcmp(argv[i], "--config-file")){
if(i<argc-1){
db->config_file = argv[i+1];
if(config__read(db, config, false)){
log__printf(NULL, MOSQ_LOG_ERR, "Error: Unable to open configuration file.");
return MOSQ_ERR_INVAL;
}
}else{
log__printf(NULL, MOSQ_LOG_ERR, "Error: -c argument given, but no config file specified.");
return MOSQ_ERR_INVAL;
}
i++;
}else if(!strcmp(argv[i], "-d") || !strcmp(argv[i], "--daemon")){
config->daemon = true;
}else if(!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")){
print_usage();
return MOSQ_ERR_INVAL;
}else if(!strcmp(argv[i], "-p") || !strcmp(argv[i], "--port")){
if(i<argc-1){
port_tmp = atoi(argv[i+1]);
if(port_tmp<1 || port_tmp>65535){
log__printf(NULL, MOSQ_LOG_ERR, "Error: Invalid port specified (%d).", port_tmp);
return MOSQ_ERR_INVAL;
}else{
if(config->default_listener.port){
log__printf(NULL, MOSQ_LOG_WARNING, "Warning: Default listener port specified multiple times. Only the latest will be used.");
}
config->default_listener.port = port_tmp;
}
}else{
log__printf(NULL, MOSQ_LOG_ERR, "Error: -p argument given, but no port specified.");
return MOSQ_ERR_INVAL;
}
i++;
}else if(!strcmp(argv[i], "-v") || !strcmp(argv[i], "--verbose")){
db->verbose = true;
}else{
fprintf(stderr, "Error: Unknown option '%s'.\n",argv[i]);
print_usage();
return MOSQ_ERR_INVAL;
}
}
if(config->listener_count == 0
#ifdef WITH_TLS
|| config->default_listener.cafile
|| config->default_listener.capath
|| config->default_listener.certfile
|| config->default_listener.keyfile
|| config->default_listener.ciphers
|| config->default_listener.psk_hint
|| config->default_listener.require_certificate
|| config->default_listener.crlfile
|| config->default_listener.use_identity_as_username
|| config->default_listener.use_subject_as_username
#endif
|| config->default_listener.use_username_as_clientid
|| config->default_listener.host
|| config->default_listener.port
|| config->default_listener.max_connections != -1
|| config->default_listener.mount_point
|| config->default_listener.protocol != mp_mqtt
|| config->default_listener.socket_domain
|| config->default_listener.security_options.password_file
|| config->default_listener.security_options.psk_file
|| config->default_listener.security_options.auth_plugin_config_count
|| config->default_listener.security_options.allow_anonymous != -1
){
config->listener_count++;
config->listeners = mosquitto__realloc(config->listeners, sizeof(struct mosquitto__listener)*config->listener_count);
if(!config->listeners){
log__printf(NULL, MOSQ_LOG_ERR, "Error: Out of memory.");
return MOSQ_ERR_NOMEM;
}
memset(&config->listeners[config->listener_count-1], 0, sizeof(struct mosquitto__listener));
if(config->default_listener.port){
config->listeners[config->listener_count-1].port = config->default_listener.port;
}else{
config->listeners[config->listener_count-1].port = 1883;
}
if(config->default_listener.host){
config->listeners[config->listener_count-1].host = config->default_listener.host;
}else{
config->listeners[config->listener_count-1].host = NULL;
}
if(config->default_listener.mount_point){
config->listeners[config->listener_count-1].mount_point = config->default_listener.mount_point;
}else{
config->listeners[config->listener_count-1].mount_point = NULL;
}
config->listeners[config->listener_count-1].max_connections = config->default_listener.max_connections;
config->listeners[config->listener_count-1].protocol = config->default_listener.protocol;
config->listeners[config->listener_count-1].socket_domain = config->default_listener.socket_domain;
config->listeners[config->listener_count-1].client_count = 0;
config->listeners[config->listener_count-1].socks = NULL;
config->listeners[config->listener_count-1].sock_count = 0;
config->listeners[config->listener_count-1].client_count = 0;
config->listeners[config->listener_count-1].use_username_as_clientid = config->default_listener.use_username_as_clientid;
#ifdef WITH_TLS
config->listeners[config->listener_count-1].tls_version = config->default_listener.tls_version;
config->listeners[config->listener_count-1].cafile = config->default_listener.cafile;
config->listeners[config->listener_count-1].capath = config->default_listener.capath;
config->listeners[config->listener_count-1].certfile = config->default_listener.certfile;
config->listeners[config->listener_count-1].keyfile = config->default_listener.keyfile;
config->listeners[config->listener_count-1].ciphers = config->default_listener.ciphers;
config->listeners[config->listener_count-1].psk_hint = config->default_listener.psk_hint;
config->listeners[config->listener_count-1].require_certificate = config->default_listener.require_certificate;
config->listeners[config->listener_count-1].ssl_ctx = NULL;
config->listeners[config->listener_count-1].crlfile = config->default_listener.crlfile;
config->listeners[config->listener_count-1].use_identity_as_username = config->default_listener.use_identity_as_username;
config->listeners[config->listener_count-1].use_subject_as_username = config->default_listener.use_subject_as_username;
#endif
config->listeners[config->listener_count-1].security_options.password_file = config->default_listener.security_options.password_file;
config->listeners[config->listener_count-1].security_options.psk_file = config->default_listener.security_options.psk_file;
config->listeners[config->listener_count-1].security_options.auth_plugin_configs = config->default_listener.security_options.auth_plugin_configs;
config->listeners[config->listener_count-1].security_options.auth_plugin_config_count = config->default_listener.security_options.auth_plugin_config_count;
config->listeners[config->listener_count-1].security_options.allow_anonymous = config->default_listener.security_options.allow_anonymous;
}
/* Default to drop to mosquitto user if we are privileged and no user specified. */
if(!config->user){
config->user = "mosquitto";
}
if(db->verbose){
config->log_type = INT_MAX;
}
return config__check(config);
}
| 182,134 | 3,486 |
173901566023283383718002209891075192869
| null | null | null |
|
linux
|
f43f39958beb206b53292801e216d9b8a660f087
| 1 |
static int crypto_report_one(struct crypto_alg *alg,
struct crypto_user_alg *ualg, struct sk_buff *skb)
{
strlcpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name));
strlcpy(ualg->cru_driver_name, alg->cra_driver_name,
sizeof(ualg->cru_driver_name));
strlcpy(ualg->cru_module_name, module_name(alg->cra_module),
sizeof(ualg->cru_module_name));
ualg->cru_type = 0;
ualg->cru_mask = 0;
ualg->cru_flags = alg->cra_flags;
ualg->cru_refcnt = refcount_read(&alg->cra_refcnt);
if (nla_put_u32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority))
goto nla_put_failure;
if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
struct crypto_report_larval rl;
strlcpy(rl.type, "larval", sizeof(rl.type));
if (nla_put(skb, CRYPTOCFGA_REPORT_LARVAL,
sizeof(struct crypto_report_larval), &rl))
goto nla_put_failure;
goto out;
}
if (alg->cra_type && alg->cra_type->report) {
if (alg->cra_type->report(skb, alg))
goto nla_put_failure;
goto out;
}
switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) {
case CRYPTO_ALG_TYPE_CIPHER:
if (crypto_report_cipher(skb, alg))
goto nla_put_failure;
break;
case CRYPTO_ALG_TYPE_COMPRESS:
if (crypto_report_comp(skb, alg))
goto nla_put_failure;
break;
case CRYPTO_ALG_TYPE_ACOMPRESS:
if (crypto_report_acomp(skb, alg))
goto nla_put_failure;
break;
case CRYPTO_ALG_TYPE_AKCIPHER:
if (crypto_report_akcipher(skb, alg))
goto nla_put_failure;
break;
case CRYPTO_ALG_TYPE_KPP:
if (crypto_report_kpp(skb, alg))
goto nla_put_failure;
break;
}
out:
return 0;
nla_put_failure:
return -EMSGSIZE;
}
| 182,140 | 3,492 |
285899801669781693935408567139523640359
| null | null | null |
|
WavPack
|
bba5389dc598a92bdf2b297c3ea34620b6679b5b
| 1 |
int WavpackVerifySingleBlock (unsigned char *buffer, int verify_checksum)
{
WavpackHeader *wphdr = (WavpackHeader *) buffer;
uint32_t checksum_passed = 0, bcount, meta_bc;
unsigned char *dp, meta_id, c1, c2;
if (strncmp (wphdr->ckID, "wvpk", 4) || wphdr->ckSize + 8 < sizeof (WavpackHeader))
return FALSE;
bcount = wphdr->ckSize - sizeof (WavpackHeader) + 8;
dp = (unsigned char *)(wphdr + 1);
while (bcount >= 2) {
meta_id = *dp++;
c1 = *dp++;
meta_bc = c1 << 1;
bcount -= 2;
if (meta_id & ID_LARGE) {
if (bcount < 2)
return FALSE;
c1 = *dp++;
c2 = *dp++;
meta_bc += ((uint32_t) c1 << 9) + ((uint32_t) c2 << 17);
bcount -= 2;
}
if (bcount < meta_bc)
return FALSE;
if (verify_checksum && (meta_id & ID_UNIQUE) == ID_BLOCK_CHECKSUM) {
#ifdef BITSTREAM_SHORTS
uint16_t *csptr = (uint16_t*) buffer;
#else
unsigned char *csptr = buffer;
#endif
int wcount = (int)(dp - 2 - buffer) >> 1;
uint32_t csum = (uint32_t) -1;
if ((meta_id & ID_ODD_SIZE) || meta_bc < 2 || meta_bc > 4)
return FALSE;
#ifdef BITSTREAM_SHORTS
while (wcount--)
csum = (csum * 3) + *csptr++;
#else
WavpackNativeToLittleEndian ((WavpackHeader *) buffer, WavpackHeaderFormat);
while (wcount--) {
csum = (csum * 3) + csptr [0] + (csptr [1] << 8);
csptr += 2;
}
WavpackLittleEndianToNative ((WavpackHeader *) buffer, WavpackHeaderFormat);
#endif
if (meta_bc == 4) {
if (*dp++ != (csum & 0xff) || *dp++ != ((csum >> 8) & 0xff) || *dp++ != ((csum >> 16) & 0xff) || *dp++ != ((csum >> 24) & 0xff))
return FALSE;
}
else {
csum ^= csum >> 16;
if (*dp++ != (csum & 0xff) || *dp++ != ((csum >> 8) & 0xff))
return FALSE;
}
checksum_passed++;
}
bcount -= meta_bc;
dp += meta_bc;
}
return (bcount == 0) && (!verify_checksum || !(wphdr->flags & HAS_CHECKSUM) || checksum_passed);
}
|
CWE-125
| 182,143 | 3,493 |
272130961827911635629931902009983024008
| null | null | null |
linux
|
5f8cf712582617d523120df67d392059eaf2fc4b
| 1 |
static int usb_audio_probe(struct usb_interface *intf,
const struct usb_device_id *usb_id)
{
struct usb_device *dev = interface_to_usbdev(intf);
const struct snd_usb_audio_quirk *quirk =
(const struct snd_usb_audio_quirk *)usb_id->driver_info;
struct snd_usb_audio *chip;
int i, err;
struct usb_host_interface *alts;
int ifnum;
u32 id;
alts = &intf->altsetting[0];
ifnum = get_iface_desc(alts)->bInterfaceNumber;
id = USB_ID(le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
if (get_alias_id(dev, &id))
quirk = get_alias_quirk(dev, id);
if (quirk && quirk->ifnum >= 0 && ifnum != quirk->ifnum)
return -ENXIO;
err = snd_usb_apply_boot_quirk(dev, intf, quirk, id);
if (err < 0)
return err;
/*
* found a config. now register to ALSA
*/
/* check whether it's already registered */
chip = NULL;
mutex_lock(®ister_mutex);
for (i = 0; i < SNDRV_CARDS; i++) {
if (usb_chip[i] && usb_chip[i]->dev == dev) {
if (atomic_read(&usb_chip[i]->shutdown)) {
dev_err(&dev->dev, "USB device is in the shutdown state, cannot create a card instance\n");
err = -EIO;
goto __error;
}
chip = usb_chip[i];
atomic_inc(&chip->active); /* avoid autopm */
break;
}
}
if (! chip) {
/* it's a fresh one.
* now look for an empty slot and create a new card instance
*/
for (i = 0; i < SNDRV_CARDS; i++)
if (!usb_chip[i] &&
(vid[i] == -1 || vid[i] == USB_ID_VENDOR(id)) &&
(pid[i] == -1 || pid[i] == USB_ID_PRODUCT(id))) {
if (enable[i]) {
err = snd_usb_audio_create(intf, dev, i, quirk,
id, &chip);
if (err < 0)
goto __error;
chip->pm_intf = intf;
break;
} else if (vid[i] != -1 || pid[i] != -1) {
dev_info(&dev->dev,
"device (%04x:%04x) is disabled\n",
USB_ID_VENDOR(id),
USB_ID_PRODUCT(id));
err = -ENOENT;
goto __error;
}
}
if (!chip) {
dev_err(&dev->dev, "no available usb audio device\n");
err = -ENODEV;
goto __error;
}
}
dev_set_drvdata(&dev->dev, chip);
/*
* For devices with more than one control interface, we assume the
* first contains the audio controls. We might need a more specific
* check here in the future.
*/
if (!chip->ctrl_intf)
chip->ctrl_intf = alts;
chip->txfr_quirk = 0;
err = 1; /* continue */
if (quirk && quirk->ifnum != QUIRK_NO_INTERFACE) {
/* need some special handlings */
err = snd_usb_create_quirk(chip, intf, &usb_audio_driver, quirk);
if (err < 0)
goto __error;
}
if (err > 0) {
/* create normal USB audio interfaces */
err = snd_usb_create_streams(chip, ifnum);
if (err < 0)
goto __error;
err = snd_usb_create_mixer(chip, ifnum, ignore_ctl_error);
if (err < 0)
goto __error;
}
/* we are allowed to call snd_card_register() many times */
err = snd_card_register(chip->card);
if (err < 0)
goto __error;
usb_chip[chip->index] = chip;
chip->num_interfaces++;
usb_set_intfdata(intf, chip);
atomic_dec(&chip->active);
mutex_unlock(®ister_mutex);
return 0;
__error:
if (chip) {
if (!chip->num_interfaces)
snd_card_free(chip->card);
atomic_dec(&chip->active);
}
mutex_unlock(®ister_mutex);
return err;
}
|
CWE-416
| 182,145 | 3,494 |
14561827276978057597742088492688765019
| null | null | null |
sleuthkit
|
bc04aa017c0bd297de8a3b7fc40ffc6ddddbb95d
| 1 |
hfs_cat_traverse(HFS_INFO * hfs,
TSK_HFS_BTREE_CB a_cb, void *ptr)
{
TSK_FS_INFO *fs = &(hfs->fs_info);
uint32_t cur_node; /* node id of the current node */
char *node;
uint16_t nodesize;
uint8_t is_done = 0;
tsk_error_reset();
nodesize = tsk_getu16(fs->endian, hfs->catalog_header.nodesize);
if ((node = (char *) tsk_malloc(nodesize)) == NULL)
return 1;
/* start at root node */
cur_node = tsk_getu32(fs->endian, hfs->catalog_header.rootNode);
/* if the root node is zero, then the extents btree is empty */
/* if no files have overflow extents, the Extents B-tree still
exists on disk, but is an empty B-tree containing only
the header node */
if (cur_node == 0) {
if (tsk_verbose)
tsk_fprintf(stderr, "hfs_cat_traverse: "
"empty extents btree\n");
free(node);
return 1;
}
if (tsk_verbose)
tsk_fprintf(stderr, "hfs_cat_traverse: starting at "
"root node %" PRIu32 "; nodesize = %"
PRIu16 "\n", cur_node, nodesize);
/* Recurse down to the needed leaf nodes and then go forward */
is_done = 0;
while (is_done == 0) {
TSK_OFF_T cur_off; /* start address of cur_node */
uint16_t num_rec; /* number of records in this node */
ssize_t cnt;
hfs_btree_node *node_desc;
if (cur_node > tsk_getu32(fs->endian,
hfs->catalog_header.totalNodes)) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr
("hfs_cat_traverse: Node %d too large for file", cur_node);
free(node);
return 1;
}
cur_off = cur_node * nodesize;
cnt = tsk_fs_attr_read(hfs->catalog_attr, cur_off,
node, nodesize, 0);
if (cnt != nodesize) {
if (cnt >= 0) {
tsk_error_reset();
tsk_error_set_errno(TSK_ERR_FS_READ);
}
tsk_error_set_errstr2
("hfs_cat_traverse: Error reading node %d at offset %"
PRIuOFF, cur_node, cur_off);
free(node);
return 1;
}
if (nodesize < sizeof(hfs_btree_node)) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr
("hfs_cat_traverse: Node size %d is too small to be valid", nodesize);
free(node);
return 1;
}
node_desc = (hfs_btree_node *) node;
num_rec = tsk_getu16(fs->endian, node_desc->num_rec);
if (tsk_verbose)
tsk_fprintf(stderr, "hfs_cat_traverse: node %" PRIu32
" @ %" PRIu64 " has %" PRIu16 " records\n",
cur_node, cur_off, num_rec);
if (num_rec == 0) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr("hfs_cat_traverse: zero records in node %"
PRIu32, cur_node);
free(node);
return 1;
}
/* With an index node, find the record with the largest key that is smaller
* to or equal to cnid */
if (node_desc->type == HFS_BT_NODE_TYPE_IDX) {
uint32_t next_node = 0;
int rec;
for (rec = 0; rec < num_rec; ++rec) {
size_t rec_off;
hfs_btree_key_cat *key;
uint8_t retval;
int keylen;
rec_off =
tsk_getu16(fs->endian,
&node[nodesize - (rec + 1) * 2]);
if (rec_off > nodesize) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr
("hfs_cat_traverse: offset of record %d in index node %d too large (%d vs %"
PRIu16 ")", rec, cur_node, (int) rec_off,
nodesize);
free(node);
return 1;
}
key = (hfs_btree_key_cat *) & node[rec_off];
keylen = 2 + tsk_getu16(hfs->fs_info.endian, key->key_len);
if ((keylen) > nodesize) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr
("hfs_cat_traverse: length of key %d in index node %d too large (%d vs %"
PRIu16 ")", rec, cur_node, keylen, nodesize);
free(node);
return 1;
}
/*
if (tsk_verbose)
tsk_fprintf(stderr,
"hfs_cat_traverse: record %" PRIu16
" ; keylen %" PRIu16 " (%" PRIu32 ")\n", rec,
tsk_getu16(fs->endian, key->key_len),
tsk_getu32(fs->endian, key->parent_cnid));
*/
/* save the info from this record unless it is too big */
retval =
a_cb(hfs, HFS_BT_NODE_TYPE_IDX, key,
cur_off + rec_off, ptr);
if (retval == HFS_BTREE_CB_ERR) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr2
("hfs_cat_traverse: Callback returned error");
free(node);
return 1;
}
else if ((retval == HFS_BTREE_CB_IDX_LT)
|| (next_node == 0)) {
hfs_btree_index_record *idx_rec;
int keylen =
2 + hfs_get_idxkeylen(hfs, tsk_getu16(fs->endian,
key->key_len), &(hfs->catalog_header));
if (rec_off + keylen > nodesize) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr
("hfs_cat_traverse: offset of record and keylength %d in index node %d too large (%d vs %"
PRIu16 ")", rec, cur_node,
(int) rec_off + keylen, nodesize);
free(node);
return 1;
}
idx_rec =
(hfs_btree_index_record *) & node[rec_off +
keylen];
next_node = tsk_getu32(fs->endian, idx_rec->childNode);
}
if (retval == HFS_BTREE_CB_IDX_EQGT) {
break;
}
}
if (next_node == 0) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr
("hfs_cat_traverse: did not find any keys in index node %d",
cur_node);
is_done = 1;
break;
}
if (next_node == cur_node) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr
("hfs_cat_traverse: node %d references itself as next node",
cur_node);
is_done = 1;
break;
}
cur_node = next_node;
}
/* With a leaf, we look for the specific record. */
else if (node_desc->type == HFS_BT_NODE_TYPE_LEAF) {
int rec;
for (rec = 0; rec < num_rec; ++rec) {
size_t rec_off;
hfs_btree_key_cat *key;
uint8_t retval;
int keylen;
rec_off =
tsk_getu16(fs->endian,
&node[nodesize - (rec + 1) * 2]);
if (rec_off > nodesize) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr
("hfs_cat_traverse: offset of record %d in leaf node %d too large (%d vs %"
PRIu16 ")", rec, cur_node, (int) rec_off,
nodesize);
free(node);
return 1;
}
key = (hfs_btree_key_cat *) & node[rec_off];
keylen = 2 + tsk_getu16(hfs->fs_info.endian, key->key_len);
if ((keylen) > nodesize) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr
("hfs_cat_traverse: length of key %d in leaf node %d too large (%d vs %"
PRIu16 ")", rec, cur_node, keylen, nodesize);
free(node);
return 1;
}
/*
if (tsk_verbose)
tsk_fprintf(stderr,
"hfs_cat_traverse: record %" PRIu16
"; keylen %" PRIu16 " (%" PRIu32 ")\n", rec,
tsk_getu16(fs->endian, key->key_len),
tsk_getu32(fs->endian, key->parent_cnid));
*/
retval =
a_cb(hfs, HFS_BT_NODE_TYPE_LEAF, key,
cur_off + rec_off, ptr);
if (retval == HFS_BTREE_CB_LEAF_STOP) {
is_done = 1;
break;
}
else if (retval == HFS_BTREE_CB_ERR) {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr2
("hfs_cat_traverse: Callback returned error");
free(node);
return 1;
}
}
if (is_done == 0) {
cur_node = tsk_getu32(fs->endian, node_desc->flink);
if (cur_node == 0) {
is_done = 1;
}
if (tsk_verbose)
tsk_fprintf(stderr,
"hfs_cat_traverse: moving forward to next leaf");
}
}
else {
tsk_error_set_errno(TSK_ERR_FS_GENFS);
tsk_error_set_errstr("hfs_cat_traverse: btree node %" PRIu32
" (%" PRIu64 ") is neither index nor leaf (%" PRIu8 ")",
cur_node, cur_off, node_desc->type);
free(node);
return 1;
}
}
free(node);
return 0;
}
|
CWE-125
| 182,146 | 3,495 |
217046689785223522782643407053252974007
| null | null | null |
uriparser
|
f76275d4a91b28d687250525d3a0c5509bbd666f
| 1 |
int URI_FUNC(ComposeQueryEngine)(URI_CHAR * dest,
const URI_TYPE(QueryList) * queryList,
int maxChars, int * charsWritten, int * charsRequired,
UriBool spaceToPlus, UriBool normalizeBreaks) {
UriBool firstItem = URI_TRUE;
int ampersandLen = 0; /* increased to 1 from second item on */
URI_CHAR * write = dest;
/* Subtract terminator */
if (dest == NULL) {
*charsRequired = 0;
} else {
maxChars--;
}
while (queryList != NULL) {
const URI_CHAR * const key = queryList->key;
const URI_CHAR * const value = queryList->value;
const int worstCase = (normalizeBreaks == URI_TRUE ? 6 : 3);
const int keyLen = (key == NULL) ? 0 : (int)URI_STRLEN(key);
const int keyRequiredChars = worstCase * keyLen;
const int valueLen = (value == NULL) ? 0 : (int)URI_STRLEN(value);
const int valueRequiredChars = worstCase * valueLen;
if (dest == NULL) {
(*charsRequired) += ampersandLen + keyRequiredChars + ((value == NULL)
? 0
: 1 + valueRequiredChars);
if (firstItem == URI_TRUE) {
ampersandLen = 1;
firstItem = URI_FALSE;
}
} else {
if ((write - dest) + ampersandLen + keyRequiredChars > maxChars) {
return URI_ERROR_OUTPUT_TOO_LARGE;
}
/* Copy key */
if (firstItem == URI_TRUE) {
ampersandLen = 1;
firstItem = URI_FALSE;
} else {
write[0] = _UT('&');
write++;
}
write = URI_FUNC(EscapeEx)(key, key + keyLen,
write, spaceToPlus, normalizeBreaks);
if (value != NULL) {
if ((write - dest) + 1 + valueRequiredChars > maxChars) {
return URI_ERROR_OUTPUT_TOO_LARGE;
}
/* Copy value */
write[0] = _UT('=');
write++;
write = URI_FUNC(EscapeEx)(value, value + valueLen,
write, spaceToPlus, normalizeBreaks);
}
}
queryList = queryList->next;
}
if (dest != NULL) {
write[0] = _UT('\0');
if (charsWritten != NULL) {
*charsWritten = (int)(write - dest) + 1; /* .. for terminator */
}
}
return URI_SUCCESS;
}
|
CWE-190
| 182,147 | 3,496 |
35761845554934988931846394085331392557
| null | null | null |
uriparser
|
864f5d4c127def386dd5cc926ad96934b297f04e
| 1 |
int URI_FUNC(ComposeQueryEngine)(URI_CHAR * dest,
const URI_TYPE(QueryList) * queryList,
int maxChars, int * charsWritten, int * charsRequired,
UriBool spaceToPlus, UriBool normalizeBreaks) {
UriBool firstItem = URI_TRUE;
int ampersandLen = 0; /* increased to 1 from second item on */
URI_CHAR * write = dest;
/* Subtract terminator */
if (dest == NULL) {
*charsRequired = 0;
} else {
maxChars--;
}
while (queryList != NULL) {
const URI_CHAR * const key = queryList->key;
const URI_CHAR * const value = queryList->value;
const int worstCase = (normalizeBreaks == URI_TRUE ? 6 : 3);
const int keyLen = (key == NULL) ? 0 : (int)URI_STRLEN(key);
const int keyRequiredChars = worstCase * keyLen;
const int valueLen = (value == NULL) ? 0 : (int)URI_STRLEN(value);
const int valueRequiredChars = worstCase * valueLen;
if (dest == NULL) {
if (firstItem == URI_TRUE) {
ampersandLen = 1;
firstItem = URI_FALSE;
}
(*charsRequired) += ampersandLen + keyRequiredChars + ((value == NULL)
? 0
: 1 + valueRequiredChars);
} else {
URI_CHAR * afterKey;
if ((write - dest) + ampersandLen + keyRequiredChars > maxChars) {
return URI_ERROR_OUTPUT_TOO_LARGE;
}
/* Copy key */
if (firstItem == URI_TRUE) {
firstItem = URI_FALSE;
} else {
write[0] = _UT('&');
write++;
}
afterKey = URI_FUNC(EscapeEx)(key, key + keyLen,
write, spaceToPlus, normalizeBreaks);
write += (afterKey - write);
if (value != NULL) {
URI_CHAR * afterValue;
if ((write - dest) + 1 + valueRequiredChars > maxChars) {
return URI_ERROR_OUTPUT_TOO_LARGE;
}
/* Copy value */
write[0] = _UT('=');
write++;
afterValue = URI_FUNC(EscapeEx)(value, value + valueLen,
write, spaceToPlus, normalizeBreaks);
write += (afterValue - write);
}
}
queryList = queryList->next;
}
if (dest != NULL) {
write[0] = _UT('\0');
if (charsWritten != NULL) {
*charsWritten = (int)(write - dest) + 1; /* .. for terminator */
}
}
return URI_SUCCESS;
}
|
CWE-787
| 182,148 | 3,497 |
110870270092081407209221363569497858478
| null | null | null |
keepalived
|
f28015671a4b04785859d1b4b1327b367b6a10e9
| 1 |
int extract_status_code(char *buffer, size_t size)
{
char *buf_code;
char *begin;
char *end = buffer + size;
size_t inc = 0;
int code;
/* Allocate the room */
buf_code = (char *)MALLOC(10);
/* Status-Code extraction */
while (buffer < end && *buffer++ != ' ') ;
begin = buffer;
while (buffer < end && *buffer++ != ' ')
inc++;
strncat(buf_code, begin, inc);
code = atoi(buf_code);
FREE(buf_code);
return code;
}
|
CWE-119
| 182,150 | 3,499 |
63080800693476366352057649095409086406
| null | null | null |
lighttpd1.4
|
2105dae0f9d7a964375ce681e53cb165375f84c1
| 1 |
PHYSICALPATH_FUNC(mod_alias_physical_handler) {
plugin_data *p = p_d;
int uri_len, basedir_len;
char *uri_ptr;
size_t k;
if (buffer_is_empty(con->physical.path)) return HANDLER_GO_ON;
mod_alias_patch_connection(srv, con, p);
/* not to include the tailing slash */
basedir_len = buffer_string_length(con->physical.basedir);
if ('/' == con->physical.basedir->ptr[basedir_len-1]) --basedir_len;
uri_len = buffer_string_length(con->physical.path) - basedir_len;
uri_ptr = con->physical.path->ptr + basedir_len;
for (k = 0; k < p->conf.alias->used; k++) {
data_string *ds = (data_string *)p->conf.alias->data[k];
int alias_len = buffer_string_length(ds->key);
if (alias_len > uri_len) continue;
if (buffer_is_empty(ds->key)) continue;
if (0 == (con->conf.force_lowercase_filenames ?
strncasecmp(uri_ptr, ds->key->ptr, alias_len) :
strncmp(uri_ptr, ds->key->ptr, alias_len))) {
/* matched */
buffer_copy_buffer(con->physical.basedir, ds->value);
buffer_copy_buffer(srv->tmp_buf, ds->value);
buffer_append_string(srv->tmp_buf, uri_ptr + alias_len);
buffer_copy_buffer(con->physical.path, srv->tmp_buf);
return HANDLER_GO_ON;
}
}
/* not found */
return HANDLER_GO_ON;
}
| 182,151 | 3,500 |
56562215835898424739829878050251833375
| null | null | null |
|
linux
|
d2f007dbe7e4c9583eea6eb04d60001e85c6f1bd
| 1 |
static ssize_t map_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos,
int cap_setid,
struct uid_gid_map *map,
struct uid_gid_map *parent_map)
{
struct seq_file *seq = file->private_data;
struct user_namespace *ns = seq->private;
struct uid_gid_map new_map;
unsigned idx;
struct uid_gid_extent extent;
char *kbuf = NULL, *pos, *next_line;
ssize_t ret;
/* Only allow < page size writes at the beginning of the file */
if ((*ppos != 0) || (count >= PAGE_SIZE))
return -EINVAL;
/* Slurp in the user data */
kbuf = memdup_user_nul(buf, count);
if (IS_ERR(kbuf))
return PTR_ERR(kbuf);
/*
* The userns_state_mutex serializes all writes to any given map.
*
* Any map is only ever written once.
*
* An id map fits within 1 cache line on most architectures.
*
* On read nothing needs to be done unless you are on an
* architecture with a crazy cache coherency model like alpha.
*
* There is a one time data dependency between reading the
* count of the extents and the values of the extents. The
* desired behavior is to see the values of the extents that
* were written before the count of the extents.
*
* To achieve this smp_wmb() is used on guarantee the write
* order and smp_rmb() is guaranteed that we don't have crazy
* architectures returning stale data.
*/
mutex_lock(&userns_state_mutex);
memset(&new_map, 0, sizeof(struct uid_gid_map));
ret = -EPERM;
/* Only allow one successful write to the map */
if (map->nr_extents != 0)
goto out;
/*
* Adjusting namespace settings requires capabilities on the target.
*/
if (cap_valid(cap_setid) && !file_ns_capable(file, ns, CAP_SYS_ADMIN))
goto out;
/* Parse the user data */
ret = -EINVAL;
pos = kbuf;
for (; pos; pos = next_line) {
/* Find the end of line and ensure I don't look past it */
next_line = strchr(pos, '\n');
if (next_line) {
*next_line = '\0';
next_line++;
if (*next_line == '\0')
next_line = NULL;
}
pos = skip_spaces(pos);
extent.first = simple_strtoul(pos, &pos, 10);
if (!isspace(*pos))
goto out;
pos = skip_spaces(pos);
extent.lower_first = simple_strtoul(pos, &pos, 10);
if (!isspace(*pos))
goto out;
pos = skip_spaces(pos);
extent.count = simple_strtoul(pos, &pos, 10);
if (*pos && !isspace(*pos))
goto out;
/* Verify there is not trailing junk on the line */
pos = skip_spaces(pos);
if (*pos != '\0')
goto out;
/* Verify we have been given valid starting values */
if ((extent.first == (u32) -1) ||
(extent.lower_first == (u32) -1))
goto out;
/* Verify count is not zero and does not cause the
* extent to wrap
*/
if ((extent.first + extent.count) <= extent.first)
goto out;
if ((extent.lower_first + extent.count) <=
extent.lower_first)
goto out;
/* Do the ranges in extent overlap any previous extents? */
if (mappings_overlap(&new_map, &extent))
goto out;
if ((new_map.nr_extents + 1) == UID_GID_MAP_MAX_EXTENTS &&
(next_line != NULL))
goto out;
ret = insert_extent(&new_map, &extent);
if (ret < 0)
goto out;
ret = -EINVAL;
}
/* Be very certaint the new map actually exists */
if (new_map.nr_extents == 0)
goto out;
ret = -EPERM;
/* Validate the user is allowed to use user id's mapped to. */
if (!new_idmap_permitted(file, ns, cap_setid, &new_map))
goto out;
ret = sort_idmaps(&new_map);
if (ret < 0)
goto out;
ret = -EPERM;
/* Map the lower ids from the parent user namespace to the
* kernel global id space.
*/
for (idx = 0; idx < new_map.nr_extents; idx++) {
struct uid_gid_extent *e;
u32 lower_first;
if (new_map.nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)
e = &new_map.extent[idx];
else
e = &new_map.forward[idx];
lower_first = map_id_range_down(parent_map,
e->lower_first,
e->count);
/* Fail if we can not map the specified extent to
* the kernel global id space.
*/
if (lower_first == (u32) -1)
goto out;
e->lower_first = lower_first;
}
/* Install the map */
if (new_map.nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS) {
memcpy(map->extent, new_map.extent,
new_map.nr_extents * sizeof(new_map.extent[0]));
} else {
map->forward = new_map.forward;
map->reverse = new_map.reverse;
}
smp_wmb();
map->nr_extents = new_map.nr_extents;
*ppos = count;
ret = count;
out:
if (ret < 0 && new_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {
kfree(new_map.forward);
kfree(new_map.reverse);
map->forward = NULL;
map->reverse = NULL;
map->nr_extents = 0;
}
mutex_unlock(&userns_state_mutex);
kfree(kbuf);
return ret;
}
|
CWE-20
| 182,170 | 3,518 |
254509644118020088450003869714300516751
| null | null | null |
linux
|
e4f3aa2e1e67bb48dfbaaf1cad59013d5a5bc276
| 1 |
static int cdrom_ioctl_select_disc(struct cdrom_device_info *cdi,
unsigned long arg)
{
cd_dbg(CD_DO_IOCTL, "entering CDROM_SELECT_DISC\n");
if (!CDROM_CAN(CDC_SELECT_DISC))
return -ENOSYS;
if (arg != CDSL_CURRENT && arg != CDSL_NONE) {
if ((int)arg >= cdi->capacity)
return -EINVAL;
}
/*
* ->select_disc is a hook to allow a driver-specific way of
* seleting disc. However, since there is no equivalent hook for
* cdrom_slot_status this may not actually be useful...
*/
if (cdi->ops->select_disc)
return cdi->ops->select_disc(cdi, arg);
cd_dbg(CD_CHANGER, "Using generic cdrom_select_disc()\n");
return cdrom_select_disc(cdi, arg);
}
|
CWE-200
| 182,171 | 3,519 |
224235905693533507840009077006611693274
| null | null | null |
linux
|
7b38460dc8e4eafba06c78f8e37099d3b34d473c
| 1 |
xfs_attr_shortform_addname(xfs_da_args_t *args)
{
int newsize, forkoff, retval;
trace_xfs_attr_sf_addname(args);
retval = xfs_attr_shortform_lookup(args);
if ((args->flags & ATTR_REPLACE) && (retval == -ENOATTR)) {
return retval;
} else if (retval == -EEXIST) {
if (args->flags & ATTR_CREATE)
return retval;
retval = xfs_attr_shortform_remove(args);
ASSERT(retval == 0);
}
if (args->namelen >= XFS_ATTR_SF_ENTSIZE_MAX ||
args->valuelen >= XFS_ATTR_SF_ENTSIZE_MAX)
return -ENOSPC;
newsize = XFS_ATTR_SF_TOTSIZE(args->dp);
newsize += XFS_ATTR_SF_ENTSIZE_BYNAME(args->namelen, args->valuelen);
forkoff = xfs_attr_shortform_bytesfit(args->dp, newsize);
if (!forkoff)
return -ENOSPC;
xfs_attr_shortform_add(args, forkoff);
return 0;
}
|
CWE-754
| 182,172 | 3,520 |
35925866201613619139899110161788183233
| null | null | null |
libmspack
|
8759da8db6ec9e866cb8eb143313f397f925bb4f
| 1 |
static int chmd_read_headers(struct mspack_system *sys, struct mspack_file *fh,
struct mschmd_header *chm, int entire)
{
unsigned int section, name_len, x, errors, num_chunks;
unsigned char buf[0x54], *chunk = NULL, *name, *p, *end;
struct mschmd_file *fi, *link = NULL;
off_t offset, length;
int num_entries;
/* initialise pointers */
chm->files = NULL;
chm->sysfiles = NULL;
chm->chunk_cache = NULL;
chm->sec0.base.chm = chm;
chm->sec0.base.id = 0;
chm->sec1.base.chm = chm;
chm->sec1.base.id = 1;
chm->sec1.content = NULL;
chm->sec1.control = NULL;
chm->sec1.spaninfo = NULL;
chm->sec1.rtable = NULL;
/* read the first header */
if (sys->read(fh, &buf[0], chmhead_SIZEOF) != chmhead_SIZEOF) {
return MSPACK_ERR_READ;
}
/* check ITSF signature */
if (EndGetI32(&buf[chmhead_Signature]) != 0x46535449) {
return MSPACK_ERR_SIGNATURE;
}
/* check both header GUIDs */
if (mspack_memcmp(&buf[chmhead_GUID1], &guids[0], 32L) != 0) {
D(("incorrect GUIDs"))
return MSPACK_ERR_SIGNATURE;
}
chm->version = EndGetI32(&buf[chmhead_Version]);
chm->timestamp = EndGetM32(&buf[chmhead_Timestamp]);
chm->language = EndGetI32(&buf[chmhead_LanguageID]);
if (chm->version > 3) {
sys->message(fh, "WARNING; CHM version > 3");
}
/* read the header section table */
if (sys->read(fh, &buf[0], chmhst3_SIZEOF) != chmhst3_SIZEOF) {
return MSPACK_ERR_READ;
}
/* chmhst3_OffsetCS0 does not exist in version 1 or 2 CHM files.
* The offset will be corrected later, once HS1 is read.
*/
if (read_off64(&offset, &buf[chmhst_OffsetHS0], sys, fh) ||
read_off64(&chm->dir_offset, &buf[chmhst_OffsetHS1], sys, fh) ||
read_off64(&chm->sec0.offset, &buf[chmhst3_OffsetCS0], sys, fh))
{
return MSPACK_ERR_DATAFORMAT;
}
/* seek to header section 0 */
if (sys->seek(fh, offset, MSPACK_SYS_SEEK_START)) {
return MSPACK_ERR_SEEK;
}
/* read header section 0 */
if (sys->read(fh, &buf[0], chmhs0_SIZEOF) != chmhs0_SIZEOF) {
return MSPACK_ERR_READ;
}
if (read_off64(&chm->length, &buf[chmhs0_FileLen], sys, fh)) {
return MSPACK_ERR_DATAFORMAT;
}
/* seek to header section 1 */
if (sys->seek(fh, chm->dir_offset, MSPACK_SYS_SEEK_START)) {
return MSPACK_ERR_SEEK;
}
/* read header section 1 */
if (sys->read(fh, &buf[0], chmhs1_SIZEOF) != chmhs1_SIZEOF) {
return MSPACK_ERR_READ;
}
chm->dir_offset = sys->tell(fh);
chm->chunk_size = EndGetI32(&buf[chmhs1_ChunkSize]);
chm->density = EndGetI32(&buf[chmhs1_Density]);
chm->depth = EndGetI32(&buf[chmhs1_Depth]);
chm->index_root = EndGetI32(&buf[chmhs1_IndexRoot]);
chm->num_chunks = EndGetI32(&buf[chmhs1_NumChunks]);
chm->first_pmgl = EndGetI32(&buf[chmhs1_FirstPMGL]);
chm->last_pmgl = EndGetI32(&buf[chmhs1_LastPMGL]);
if (chm->version < 3) {
/* versions before 3 don't have chmhst3_OffsetCS0 */
chm->sec0.offset = chm->dir_offset + (chm->chunk_size * chm->num_chunks);
}
/* check if content offset or file size is wrong */
if (chm->sec0.offset > chm->length) {
D(("content section begins after file has ended"))
return MSPACK_ERR_DATAFORMAT;
}
/* ensure there are chunks and that chunk size is
* large enough for signature and num_entries */
if (chm->chunk_size < (pmgl_Entries + 2)) {
D(("chunk size not large enough"))
return MSPACK_ERR_DATAFORMAT;
}
if (chm->num_chunks == 0) {
D(("no chunks"))
return MSPACK_ERR_DATAFORMAT;
}
/* The chunk_cache data structure is not great; large values for num_chunks
* or num_chunks*chunk_size can exhaust all memory. Until a better chunk
* cache is implemented, put arbitrary limits on num_chunks and chunk size.
*/
if (chm->num_chunks > 100000) {
D(("more than 100,000 chunks"))
return MSPACK_ERR_DATAFORMAT;
}
if ((off_t)chm->chunk_size * (off_t)chm->num_chunks > chm->length) {
D(("chunks larger than entire file"))
return MSPACK_ERR_DATAFORMAT;
}
/* common sense checks on header section 1 fields */
if ((chm->chunk_size & (chm->chunk_size - 1)) != 0) {
sys->message(fh, "WARNING; chunk size is not a power of two");
}
if (chm->first_pmgl != 0) {
sys->message(fh, "WARNING; first PMGL chunk is not zero");
}
if (chm->first_pmgl > chm->last_pmgl) {
D(("first pmgl chunk is after last pmgl chunk"))
return MSPACK_ERR_DATAFORMAT;
}
if (chm->index_root != 0xFFFFFFFF && chm->index_root >= chm->num_chunks) {
D(("index_root outside valid range"))
return MSPACK_ERR_DATAFORMAT;
}
/* if we are doing a quick read, stop here! */
if (!entire) {
return MSPACK_ERR_OK;
}
/* seek to the first PMGL chunk, and reduce the number of chunks to read */
if ((x = chm->first_pmgl) != 0) {
if (sys->seek(fh,(off_t) (x * chm->chunk_size), MSPACK_SYS_SEEK_CUR)) {
return MSPACK_ERR_SEEK;
}
}
num_chunks = chm->last_pmgl - x + 1;
if (!(chunk = (unsigned char *) sys->alloc(sys, (size_t)chm->chunk_size))) {
return MSPACK_ERR_NOMEMORY;
}
/* read and process all chunks from FirstPMGL to LastPMGL */
errors = 0;
while (num_chunks--) {
/* read next chunk */
if (sys->read(fh, chunk, (int)chm->chunk_size) != (int)chm->chunk_size) {
sys->free(chunk);
return MSPACK_ERR_READ;
}
/* process only directory (PMGL) chunks */
if (EndGetI32(&chunk[pmgl_Signature]) != 0x4C474D50) continue;
if (EndGetI32(&chunk[pmgl_QuickRefSize]) < 2) {
sys->message(fh, "WARNING; PMGL quickref area is too small");
}
if (EndGetI32(&chunk[pmgl_QuickRefSize]) >
((int)chm->chunk_size - pmgl_Entries))
{
sys->message(fh, "WARNING; PMGL quickref area is too large");
}
p = &chunk[pmgl_Entries];
end = &chunk[chm->chunk_size - 2];
num_entries = EndGetI16(end);
while (num_entries--) {
READ_ENCINT(name_len);
if (name_len > (unsigned int) (end - p)) goto chunk_end;
/* consider blank filenames to be an error */
if (name_len == 0) goto chunk_end;
name = p; p += name_len;
READ_ENCINT(section);
READ_ENCINT(offset);
READ_ENCINT(length);
/* empty files and directory names are stored as a file entry at
* offset 0 with length 0. We want to keep empty files, but not
* directory names, which end with a "/" */
if ((offset == 0) && (length == 0)) {
if ((name_len > 0) && (name[name_len-1] == '/')) continue;
}
if (section > 1) {
sys->message(fh, "invalid section number '%u'.", section);
continue;
}
if (!(fi = (struct mschmd_file *) sys->alloc(sys, sizeof(struct mschmd_file) + name_len + 1))) {
sys->free(chunk);
return MSPACK_ERR_NOMEMORY;
}
fi->next = NULL;
fi->filename = (char *) &fi[1];
fi->section = ((section == 0) ? (struct mschmd_section *) (&chm->sec0)
: (struct mschmd_section *) (&chm->sec1));
fi->offset = offset;
fi->length = length;
sys->copy(name, fi->filename, (size_t) name_len);
fi->filename[name_len] = '\0';
if (name[0] == ':' && name[1] == ':') {
/* system file */
if (mspack_memcmp(&name[2], &content_name[2], 31L) == 0) {
if (mspack_memcmp(&name[33], &content_name[33], 8L) == 0) {
chm->sec1.content = fi;
}
else if (mspack_memcmp(&name[33], &control_name[33], 11L) == 0) {
chm->sec1.control = fi;
}
else if (mspack_memcmp(&name[33], &spaninfo_name[33], 8L) == 0) {
chm->sec1.spaninfo = fi;
}
else if (mspack_memcmp(&name[33], &rtable_name[33], 72L) == 0) {
chm->sec1.rtable = fi;
}
}
fi->next = chm->sysfiles;
chm->sysfiles = fi;
}
else {
/* normal file */
if (link) link->next = fi; else chm->files = fi;
link = fi;
}
}
/* this is reached either when num_entries runs out, or if
* reading data from the chunk reached a premature end of chunk */
chunk_end:
if (num_entries >= 0) {
D(("chunk ended before all entries could be read"))
errors++;
}
}
sys->free(chunk);
return (errors > 0) ? MSPACK_ERR_DATAFORMAT : MSPACK_ERR_OK;
}
|
CWE-476
| 182,175 | 3,523 |
286877828864113314457437581223606522582
| null | null | null |
linux
|
b799207e1e1816b09e7a5920fbb2d5fcf6edd681
| 1 |
static int adjust_scalar_min_max_vals(struct bpf_verifier_env *env,
struct bpf_insn *insn,
struct bpf_reg_state *dst_reg,
struct bpf_reg_state src_reg)
{
struct bpf_reg_state *regs = cur_regs(env);
u8 opcode = BPF_OP(insn->code);
bool src_known, dst_known;
s64 smin_val, smax_val;
u64 umin_val, umax_val;
u64 insn_bitness = (BPF_CLASS(insn->code) == BPF_ALU64) ? 64 : 32;
smin_val = src_reg.smin_value;
smax_val = src_reg.smax_value;
umin_val = src_reg.umin_value;
umax_val = src_reg.umax_value;
src_known = tnum_is_const(src_reg.var_off);
dst_known = tnum_is_const(dst_reg->var_off);
if ((src_known && (smin_val != smax_val || umin_val != umax_val)) ||
smin_val > smax_val || umin_val > umax_val) {
/* Taint dst register if offset had invalid bounds derived from
* e.g. dead branches.
*/
__mark_reg_unknown(dst_reg);
return 0;
}
if (!src_known &&
opcode != BPF_ADD && opcode != BPF_SUB && opcode != BPF_AND) {
__mark_reg_unknown(dst_reg);
return 0;
}
switch (opcode) {
case BPF_ADD:
if (signed_add_overflows(dst_reg->smin_value, smin_val) ||
signed_add_overflows(dst_reg->smax_value, smax_val)) {
dst_reg->smin_value = S64_MIN;
dst_reg->smax_value = S64_MAX;
} else {
dst_reg->smin_value += smin_val;
dst_reg->smax_value += smax_val;
}
if (dst_reg->umin_value + umin_val < umin_val ||
dst_reg->umax_value + umax_val < umax_val) {
dst_reg->umin_value = 0;
dst_reg->umax_value = U64_MAX;
} else {
dst_reg->umin_value += umin_val;
dst_reg->umax_value += umax_val;
}
dst_reg->var_off = tnum_add(dst_reg->var_off, src_reg.var_off);
break;
case BPF_SUB:
if (signed_sub_overflows(dst_reg->smin_value, smax_val) ||
signed_sub_overflows(dst_reg->smax_value, smin_val)) {
/* Overflow possible, we know nothing */
dst_reg->smin_value = S64_MIN;
dst_reg->smax_value = S64_MAX;
} else {
dst_reg->smin_value -= smax_val;
dst_reg->smax_value -= smin_val;
}
if (dst_reg->umin_value < umax_val) {
/* Overflow possible, we know nothing */
dst_reg->umin_value = 0;
dst_reg->umax_value = U64_MAX;
} else {
/* Cannot overflow (as long as bounds are consistent) */
dst_reg->umin_value -= umax_val;
dst_reg->umax_value -= umin_val;
}
dst_reg->var_off = tnum_sub(dst_reg->var_off, src_reg.var_off);
break;
case BPF_MUL:
dst_reg->var_off = tnum_mul(dst_reg->var_off, src_reg.var_off);
if (smin_val < 0 || dst_reg->smin_value < 0) {
/* Ain't nobody got time to multiply that sign */
__mark_reg_unbounded(dst_reg);
__update_reg_bounds(dst_reg);
break;
}
/* Both values are positive, so we can work with unsigned and
* copy the result to signed (unless it exceeds S64_MAX).
*/
if (umax_val > U32_MAX || dst_reg->umax_value > U32_MAX) {
/* Potential overflow, we know nothing */
__mark_reg_unbounded(dst_reg);
/* (except what we can learn from the var_off) */
__update_reg_bounds(dst_reg);
break;
}
dst_reg->umin_value *= umin_val;
dst_reg->umax_value *= umax_val;
if (dst_reg->umax_value > S64_MAX) {
/* Overflow possible, we know nothing */
dst_reg->smin_value = S64_MIN;
dst_reg->smax_value = S64_MAX;
} else {
dst_reg->smin_value = dst_reg->umin_value;
dst_reg->smax_value = dst_reg->umax_value;
}
break;
case BPF_AND:
if (src_known && dst_known) {
__mark_reg_known(dst_reg, dst_reg->var_off.value &
src_reg.var_off.value);
break;
}
/* We get our minimum from the var_off, since that's inherently
* bitwise. Our maximum is the minimum of the operands' maxima.
*/
dst_reg->var_off = tnum_and(dst_reg->var_off, src_reg.var_off);
dst_reg->umin_value = dst_reg->var_off.value;
dst_reg->umax_value = min(dst_reg->umax_value, umax_val);
if (dst_reg->smin_value < 0 || smin_val < 0) {
/* Lose signed bounds when ANDing negative numbers,
* ain't nobody got time for that.
*/
dst_reg->smin_value = S64_MIN;
dst_reg->smax_value = S64_MAX;
} else {
/* ANDing two positives gives a positive, so safe to
* cast result into s64.
*/
dst_reg->smin_value = dst_reg->umin_value;
dst_reg->smax_value = dst_reg->umax_value;
}
/* We may learn something more from the var_off */
__update_reg_bounds(dst_reg);
break;
case BPF_OR:
if (src_known && dst_known) {
__mark_reg_known(dst_reg, dst_reg->var_off.value |
src_reg.var_off.value);
break;
}
/* We get our maximum from the var_off, and our minimum is the
* maximum of the operands' minima
*/
dst_reg->var_off = tnum_or(dst_reg->var_off, src_reg.var_off);
dst_reg->umin_value = max(dst_reg->umin_value, umin_val);
dst_reg->umax_value = dst_reg->var_off.value |
dst_reg->var_off.mask;
if (dst_reg->smin_value < 0 || smin_val < 0) {
/* Lose signed bounds when ORing negative numbers,
* ain't nobody got time for that.
*/
dst_reg->smin_value = S64_MIN;
dst_reg->smax_value = S64_MAX;
} else {
/* ORing two positives gives a positive, so safe to
* cast result into s64.
*/
dst_reg->smin_value = dst_reg->umin_value;
dst_reg->smax_value = dst_reg->umax_value;
}
/* We may learn something more from the var_off */
__update_reg_bounds(dst_reg);
break;
case BPF_LSH:
if (umax_val >= insn_bitness) {
/* Shifts greater than 31 or 63 are undefined.
* This includes shifts by a negative number.
*/
mark_reg_unknown(env, regs, insn->dst_reg);
break;
}
/* We lose all sign bit information (except what we can pick
* up from var_off)
*/
dst_reg->smin_value = S64_MIN;
dst_reg->smax_value = S64_MAX;
/* If we might shift our top bit out, then we know nothing */
if (dst_reg->umax_value > 1ULL << (63 - umax_val)) {
dst_reg->umin_value = 0;
dst_reg->umax_value = U64_MAX;
} else {
dst_reg->umin_value <<= umin_val;
dst_reg->umax_value <<= umax_val;
}
dst_reg->var_off = tnum_lshift(dst_reg->var_off, umin_val);
/* We may learn something more from the var_off */
__update_reg_bounds(dst_reg);
break;
case BPF_RSH:
if (umax_val >= insn_bitness) {
/* Shifts greater than 31 or 63 are undefined.
* This includes shifts by a negative number.
*/
mark_reg_unknown(env, regs, insn->dst_reg);
break;
}
/* BPF_RSH is an unsigned shift. If the value in dst_reg might
* be negative, then either:
* 1) src_reg might be zero, so the sign bit of the result is
* unknown, so we lose our signed bounds
* 2) it's known negative, thus the unsigned bounds capture the
* signed bounds
* 3) the signed bounds cross zero, so they tell us nothing
* about the result
* If the value in dst_reg is known nonnegative, then again the
* unsigned bounts capture the signed bounds.
* Thus, in all cases it suffices to blow away our signed bounds
* and rely on inferring new ones from the unsigned bounds and
* var_off of the result.
*/
dst_reg->smin_value = S64_MIN;
dst_reg->smax_value = S64_MAX;
dst_reg->var_off = tnum_rshift(dst_reg->var_off, umin_val);
dst_reg->umin_value >>= umax_val;
dst_reg->umax_value >>= umin_val;
/* We may learn something more from the var_off */
__update_reg_bounds(dst_reg);
break;
case BPF_ARSH:
if (umax_val >= insn_bitness) {
/* Shifts greater than 31 or 63 are undefined.
* This includes shifts by a negative number.
*/
mark_reg_unknown(env, regs, insn->dst_reg);
break;
}
/* Upon reaching here, src_known is true and
* umax_val is equal to umin_val.
*/
dst_reg->smin_value >>= umin_val;
dst_reg->smax_value >>= umin_val;
dst_reg->var_off = tnum_arshift(dst_reg->var_off, umin_val);
/* blow away the dst_reg umin_value/umax_value and rely on
* dst_reg var_off to refine the result.
*/
dst_reg->umin_value = 0;
dst_reg->umax_value = U64_MAX;
__update_reg_bounds(dst_reg);
break;
default:
mark_reg_unknown(env, regs, insn->dst_reg);
break;
}
if (BPF_CLASS(insn->code) != BPF_ALU64) {
/* 32-bit ALU ops are (32,32)->32 */
coerce_reg_to_size(dst_reg, 4);
coerce_reg_to_size(&src_reg, 4);
}
__reg_deduce_bounds(dst_reg);
__reg_bound_offset(dst_reg);
return 0;
}
|
CWE-125
| 182,176 | 3,524 |
160529925453980596820673526343592485392
| null | null | null |
gnulib
|
278b4175c9d7dd47c1a3071554aac02add3b3c35
| 1 |
convert_to_decimal (mpn_t a, size_t extra_zeroes)
{
mp_limb_t *a_ptr = a.limbs;
size_t a_len = a.nlimbs;
/* 0.03345 is slightly larger than log(2)/(9*log(10)). */
size_t c_len = 9 * ((size_t)(a_len * (GMP_LIMB_BITS * 0.03345f)) + 1);
char *c_ptr = (char *) malloc (xsum (c_len, extra_zeroes));
if (c_ptr != NULL)
{
char *d_ptr = c_ptr;
for (; extra_zeroes > 0; extra_zeroes--)
*d_ptr++ = '0';
while (a_len > 0)
{
/* Divide a by 10^9, in-place. */
mp_limb_t remainder = 0;
mp_limb_t *ptr = a_ptr + a_len;
size_t count;
for (count = a_len; count > 0; count--)
{
mp_twolimb_t num =
((mp_twolimb_t) remainder << GMP_LIMB_BITS) | *--ptr;
*ptr = num / 1000000000;
remainder = num % 1000000000;
}
/* Store the remainder as 9 decimal digits. */
for (count = 9; count > 0; count--)
{
*d_ptr++ = '0' + (remainder % 10);
remainder = remainder / 10;
}
/* Normalize a. */
if (a_ptr[a_len - 1] == 0)
a_len--;
}
/* Remove leading zeroes. */
while (d_ptr > c_ptr && d_ptr[-1] == '0')
d_ptr--;
/* But keep at least one zero. */
if (d_ptr == c_ptr)
*d_ptr++ = '0';
/* Terminate the string. */
*d_ptr = '\0';
}
return c_ptr;
}
|
CWE-119
| 182,185 | 3,532 |
267101733010542529883279761870264064945
| null | null | null |
git
|
a124133e1e6ab5c7a9fef6d0e6bcb084e3455b46
| 1 |
static int fsck_gitmodules_fn(const char *var, const char *value, void *vdata)
{
struct fsck_gitmodules_data *data = vdata;
const char *subsection, *key;
int subsection_len;
char *name;
if (parse_config_key(var, "submodule", &subsection, &subsection_len, &key) < 0 ||
!subsection)
return 0;
name = xmemdupz(subsection, subsection_len);
if (check_submodule_name(name) < 0)
data->ret |= report(data->options, data->obj,
FSCK_MSG_GITMODULES_NAME,
"disallowed submodule name: %s",
name);
free(name);
return 0;
}
|
CWE-20
| 182,191 | 3,536 |
101845170772504280501032147246465280389
| null | null | null |
texlive-source
|
6ed0077520e2b0da1fd060c7f88db7b2e6068e4c
| 1 |
static void t1_check_unusual_charstring(void)
{
char *p = strstr(t1_line_array, charstringname) + strlen(charstringname);
int i;
/* if no number follows "/CharStrings", let's read the next line */
if (sscanf(p, "%i", &i) != 1) {
/* pdftex_warn("no number found after `%s', I assume it's on the next line",
charstringname); */
strcpy(t1_buf_array, t1_line_array);
/* t1_getline always appends EOL to t1_line_array; let's change it to
* space before appending the next line
*/
*(strend(t1_buf_array) - 1) = ' ';
t1_getline();
strcat(t1_buf_array, t1_line_array);
strcpy(t1_line_array, t1_buf_array);
t1_line_ptr = eol(t1_line_array);
}
}
|
CWE-119
| 182,192 | 3,537 |
111289472377531120079884343371715461387
| null | null | null |
texlive-source
|
6ed0077520e2b0da1fd060c7f88db7b2e6068e4c
| 1 |
static void t1_check_unusual_charstring(void)
{
char *p = strstr(t1_line_array, charstringname) + strlen(charstringname);
int i;
/*tex If no number follows |/CharStrings|, let's read the next line. */
if (sscanf(p, "%i", &i) != 1) {
strcpy(t1_buf_array, t1_line_array);
t1_getline();
strcat(t1_buf_array, t1_line_array);
strcpy(t1_line_array, t1_buf_array);
t1_line_ptr = eol(t1_line_array);
}
}
|
CWE-119
| 182,193 | 3,538 |
186302796745694264638613676034643405045
| null | null | null |
ovs
|
9237a63c47bd314b807cda0bd2216264e82edbe8
| 1 |
decode_bundle(bool load, const struct nx_action_bundle *nab,
const struct vl_mff_map *vl_mff_map, uint64_t *tlv_bitmap,
struct ofpbuf *ofpacts)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
struct ofpact_bundle *bundle;
uint32_t slave_type;
size_t slaves_size, i;
enum ofperr error;
bundle = ofpact_put_BUNDLE(ofpacts);
bundle->n_slaves = ntohs(nab->n_slaves);
bundle->basis = ntohs(nab->basis);
bundle->fields = ntohs(nab->fields);
bundle->algorithm = ntohs(nab->algorithm);
slave_type = ntohl(nab->slave_type);
slaves_size = ntohs(nab->len) - sizeof *nab;
error = OFPERR_OFPBAC_BAD_ARGUMENT;
if (!flow_hash_fields_valid(bundle->fields)) {
VLOG_WARN_RL(&rl, "unsupported fields %d", (int) bundle->fields);
} else if (bundle->n_slaves > BUNDLE_MAX_SLAVES) {
VLOG_WARN_RL(&rl, "too many slaves");
} else if (bundle->algorithm != NX_BD_ALG_HRW
&& bundle->algorithm != NX_BD_ALG_ACTIVE_BACKUP) {
VLOG_WARN_RL(&rl, "unsupported algorithm %d", (int) bundle->algorithm);
} else if (slave_type != mf_nxm_header(MFF_IN_PORT)) {
VLOG_WARN_RL(&rl, "unsupported slave type %"PRIu16, slave_type);
} else {
error = 0;
}
if (!is_all_zeros(nab->zero, sizeof nab->zero)) {
VLOG_WARN_RL(&rl, "reserved field is nonzero");
error = OFPERR_OFPBAC_BAD_ARGUMENT;
}
if (load) {
bundle->dst.ofs = nxm_decode_ofs(nab->ofs_nbits);
bundle->dst.n_bits = nxm_decode_n_bits(nab->ofs_nbits);
error = mf_vl_mff_mf_from_nxm_header(ntohl(nab->dst), vl_mff_map,
&bundle->dst.field, tlv_bitmap);
if (error) {
return error;
}
if (bundle->dst.n_bits < 16) {
VLOG_WARN_RL(&rl, "bundle_load action requires at least 16 bit "
"destination.");
error = OFPERR_OFPBAC_BAD_ARGUMENT;
}
} else {
if (nab->ofs_nbits || nab->dst) {
VLOG_WARN_RL(&rl, "bundle action has nonzero reserved fields");
error = OFPERR_OFPBAC_BAD_ARGUMENT;
}
}
if (slaves_size < bundle->n_slaves * sizeof(ovs_be16)) {
VLOG_WARN_RL(&rl, "Nicira action %s only has %"PRIuSIZE" bytes "
"allocated for slaves. %"PRIuSIZE" bytes are required "
"for %"PRIu16" slaves.",
load ? "bundle_load" : "bundle", slaves_size,
bundle->n_slaves * sizeof(ovs_be16), bundle->n_slaves);
error = OFPERR_OFPBAC_BAD_LEN;
}
for (i = 0; i < bundle->n_slaves; i++) {
ofp_port_t ofp_port = u16_to_ofp(ntohs(((ovs_be16 *)(nab + 1))[i]));
ofpbuf_put(ofpacts, &ofp_port, sizeof ofp_port);
bundle = ofpacts->header;
}
ofpact_finish_BUNDLE(ofpacts, &bundle);
if (!error) {
error = bundle_check(bundle, OFPP_MAX, NULL);
}
return error;
}
| 182,195 | 3,539 |
246918809104071957278820296228673057556
| null | null | null |
|
ovs
|
0befd1f3745055c32940f5faf9559be6a14395e6
| 1 |
OVS_REQUIRES(ofproto_mutex)
{
const struct rule_actions *actions = rule_get_actions(rule);
/* A rule may not be reinserted. */
ovs_assert(rule->state == RULE_INITIALIZED);
if (rule->hard_timeout || rule->idle_timeout) {
ovs_list_insert(&ofproto->expirable, &rule->expirable);
}
cookies_insert(ofproto, rule);
eviction_group_add_rule(rule);
if (actions->has_meter) {
meter_insert_rule(rule);
}
if (actions->has_groups) {
const struct ofpact_group *a;
OFPACT_FOR_EACH_TYPE_FLATTENED (a, GROUP, actions->ofpacts,
actions->ofpacts_len) {
struct ofgroup *group;
group = ofproto_group_lookup(ofproto, a->group_id, OVS_VERSION_MAX,
false);
ovs_assert(group != NULL);
group_add_rule(group, rule);
}
}
rule->state = RULE_INSERTED;
}
|
CWE-617
| 182,196 | 3,540 |
230678121195317545661866788094841147170
| null | null | null |
ovs
|
4af6da3b275b764b1afe194df6499b33d2bf4cde
| 1 |
parse_group_prop_ntr_selection_method(struct ofpbuf *payload,
enum ofp11_group_type group_type,
enum ofp15_group_mod_command group_cmd,
struct ofputil_group_props *gp)
{
struct ntr_group_prop_selection_method *prop = payload->data;
size_t fields_len, method_len;
enum ofperr error;
switch (group_type) {
case OFPGT11_SELECT:
break;
case OFPGT11_ALL:
case OFPGT11_INDIRECT:
case OFPGT11_FF:
OFPPROP_LOG(&bad_ofmsg_rl, false, "ntr selection method property is "
"only allowed for select groups");
return OFPERR_OFPBPC_BAD_VALUE;
default:
OVS_NOT_REACHED();
}
switch (group_cmd) {
case OFPGC15_ADD:
case OFPGC15_MODIFY:
case OFPGC15_ADD_OR_MOD:
break;
case OFPGC15_DELETE:
case OFPGC15_INSERT_BUCKET:
case OFPGC15_REMOVE_BUCKET:
OFPPROP_LOG(&bad_ofmsg_rl, false, "ntr selection method property is "
"only allowed for add and delete group modifications");
return OFPERR_OFPBPC_BAD_VALUE;
default:
OVS_NOT_REACHED();
}
if (payload->size < sizeof *prop) {
OFPPROP_LOG(&bad_ofmsg_rl, false, "ntr selection method property "
"length %u is not valid", payload->size);
return OFPERR_OFPBPC_BAD_LEN;
}
method_len = strnlen(prop->selection_method, NTR_MAX_SELECTION_METHOD_LEN);
if (method_len == NTR_MAX_SELECTION_METHOD_LEN) {
OFPPROP_LOG(&bad_ofmsg_rl, false,
"ntr selection method is not null terminated");
return OFPERR_OFPBPC_BAD_VALUE;
}
if (strcmp("hash", prop->selection_method)
&& strcmp("dp_hash", prop->selection_method)) {
OFPPROP_LOG(&bad_ofmsg_rl, false,
"ntr selection method '%s' is not supported",
prop->selection_method);
return OFPERR_OFPBPC_BAD_VALUE;
}
/* 'method_len' is now non-zero. */
strcpy(gp->selection_method, prop->selection_method);
gp->selection_method_param = ntohll(prop->selection_method_param);
ofpbuf_pull(payload, sizeof *prop);
fields_len = ntohs(prop->length) - sizeof *prop;
if (fields_len && strcmp("hash", gp->selection_method)) {
OFPPROP_LOG(&bad_ofmsg_rl, false, "ntr selection method %s "
"does not support fields", gp->selection_method);
return OFPERR_OFPBPC_BAD_VALUE;
}
error = oxm_pull_field_array(payload->data, fields_len,
&gp->fields);
if (error) {
OFPPROP_LOG(&bad_ofmsg_rl, false,
"ntr selection method fields are invalid");
return error;
}
return 0;
}
|
CWE-617
| 182,197 | 3,541 |
160132015962314386230034327490417780783
| null | null | null |
linux
|
7a9cdebdcc17e426fb5287e4a82db1dfe86339b2
| 1 |
void vmacache_flush_all(struct mm_struct *mm)
{
struct task_struct *g, *p;
count_vm_vmacache_event(VMACACHE_FULL_FLUSHES);
/*
* Single threaded tasks need not iterate the entire
* list of process. We can avoid the flushing as well
* since the mm's seqnum was increased and don't have
* to worry about other threads' seqnum. Current's
* flush will occur upon the next lookup.
*/
if (atomic_read(&mm->mm_users) == 1)
return;
rcu_read_lock();
for_each_process_thread(g, p) {
/*
* Only flush the vmacache pointers as the
* mm seqnum is already set and curr's will
* be set upon invalidation when the next
* lookup is done.
*/
if (mm == p->mm)
vmacache_flush(p);
}
rcu_read_unlock();
}
|
CWE-416
| 182,199 | 3,543 |
232034716255818729980425618360392801771
| null | null | null |
php-src
|
23b057742e3cf199612fa8050ae86cae675e214e
| 1 |
static int php_handler(request_rec *r)
{
php_struct * volatile ctx;
void *conf;
apr_bucket_brigade * volatile brigade;
apr_bucket *bucket;
apr_status_t rv;
request_rec * volatile parent_req = NULL;
TSRMLS_FETCH();
#define PHPAP_INI_OFF php_apache_ini_dtor(r, parent_req TSRMLS_CC);
conf = ap_get_module_config(r->per_dir_config, &php5_module);
/* apply_config() needs r in some cases, so allocate server_context early */
ctx = SG(server_context);
if (ctx == NULL || (ctx && ctx->request_processed && !strcmp(r->protocol, "INCLUDED"))) {
normal:
ctx = SG(server_context) = apr_pcalloc(r->pool, sizeof(*ctx));
/* register a cleanup so we clear out the SG(server_context)
* after each request. Note: We pass in the pointer to the
* server_context in case this is handled by a different thread.
*/
apr_pool_cleanup_register(r->pool, (void *)&SG(server_context), php_server_context_cleanup, apr_pool_cleanup_null);
ctx->r = r;
ctx = NULL; /* May look weird to null it here, but it is to catch the right case in the first_try later on */
} else {
parent_req = ctx->r;
ctx->r = r;
}
apply_config(conf);
if (strcmp(r->handler, PHP_MAGIC_TYPE) && strcmp(r->handler, PHP_SOURCE_MAGIC_TYPE) && strcmp(r->handler, PHP_SCRIPT)) {
/* Check for xbithack in this case. */
if (!AP2(xbithack) || strcmp(r->handler, "text/html") || !(r->finfo.protection & APR_UEXECUTE)) {
PHPAP_INI_OFF;
return DECLINED;
}
}
/* Give a 404 if PATH_INFO is used but is explicitly disabled in
* the configuration; default behaviour is to accept. */
if (r->used_path_info == AP_REQ_REJECT_PATH_INFO
&& r->path_info && r->path_info[0]) {
PHPAP_INI_OFF;
return HTTP_NOT_FOUND;
}
/* handle situations where user turns the engine off */
if (!AP2(engine)) {
PHPAP_INI_OFF;
return DECLINED;
}
if (r->finfo.filetype == 0) {
php_apache_sapi_log_message_ex("script '%s' not found or unable to stat", r TSRMLS_CC);
PHPAP_INI_OFF;
return HTTP_NOT_FOUND;
}
if (r->finfo.filetype == APR_DIR) {
php_apache_sapi_log_message_ex("attempt to invoke directory '%s' as script", r TSRMLS_CC);
PHPAP_INI_OFF;
return HTTP_FORBIDDEN;
}
/* Setup the CGI variables if this is the main request */
if (r->main == NULL ||
/* .. or if the sub-request environment differs from the main-request. */
r->subprocess_env != r->main->subprocess_env
) {
/* setup standard CGI variables */
ap_add_common_vars(r);
ap_add_cgi_vars(r);
}
zend_first_try {
if (ctx == NULL) {
brigade = apr_brigade_create(r->pool, r->connection->bucket_alloc);
ctx = SG(server_context);
ctx->brigade = brigade;
if (php_apache_request_ctor(r, ctx TSRMLS_CC)!=SUCCESS) {
zend_bailout();
}
} else {
if (!parent_req) {
parent_req = ctx->r;
}
if (parent_req && parent_req->handler &&
strcmp(parent_req->handler, PHP_MAGIC_TYPE) &&
strcmp(parent_req->handler, PHP_SOURCE_MAGIC_TYPE) &&
strcmp(parent_req->handler, PHP_SCRIPT)) {
if (php_apache_request_ctor(r, ctx TSRMLS_CC)!=SUCCESS) {
zend_bailout();
}
}
/*
* check if coming due to ErrorDocument
* We make a special exception of 413 (Invalid POST request) as the invalidity of the request occurs
* during processing of the request by PHP during POST processing. Therefor we need to re-use the exiting
* PHP instance to handle the request rather then creating a new one.
*/
if (parent_req && parent_req->status != HTTP_OK && parent_req->status != 413 && strcmp(r->protocol, "INCLUDED")) {
parent_req = NULL;
goto normal;
}
ctx->r = r;
brigade = ctx->brigade;
}
if (AP2(last_modified)) {
ap_update_mtime(r, r->finfo.mtime);
ap_set_last_modified(r);
}
/* Determine if we need to parse the file or show the source */
if (strncmp(r->handler, PHP_SOURCE_MAGIC_TYPE, sizeof(PHP_SOURCE_MAGIC_TYPE) - 1) == 0) {
zend_syntax_highlighter_ini syntax_highlighter_ini;
php_get_highlight_struct(&syntax_highlighter_ini);
highlight_file((char *)r->filename, &syntax_highlighter_ini TSRMLS_CC);
} else {
zend_file_handle zfd;
zfd.type = ZEND_HANDLE_FILENAME;
zfd.filename = (char *) r->filename;
zfd.free_filename = 0;
zfd.opened_path = NULL;
if (!parent_req) {
php_execute_script(&zfd TSRMLS_CC);
} else {
zend_execute_scripts(ZEND_INCLUDE TSRMLS_CC, NULL, 1, &zfd);
}
apr_table_set(r->notes, "mod_php_memory_usage",
apr_psprintf(ctx->r->pool, "%" APR_SIZE_T_FMT, zend_memory_peak_usage(1 TSRMLS_CC)));
}
} zend_end_try();
if (!parent_req) {
php_apache_request_dtor(r TSRMLS_CC);
ctx->request_processed = 1;
bucket = apr_bucket_eos_create(r->connection->bucket_alloc);
APR_BRIGADE_INSERT_TAIL(brigade, bucket);
rv = ap_pass_brigade(r->output_filters, brigade);
if (rv != APR_SUCCESS || r->connection->aborted) {
zend_first_try {
php_handle_aborted_connection();
} zend_end_try();
}
apr_brigade_cleanup(brigade);
apr_pool_cleanup_run(r->pool, (void *)&SG(server_context), php_server_context_cleanup);
} else {
ctx->r = parent_req;
}
return OK;
}
|
CWE-79
| 182,200 | 3,544 |
182394297957195993443087473708783099241
| null | null | null |
curl
|
d530e92f59ae9bb2d47066c3c460b25d2ffeb211
| 1 |
static void voutf(struct GlobalConfig *config,
const char *prefix,
const char *fmt,
va_list ap)
{
size_t width = (79 - strlen(prefix));
if(!config->mute) {
size_t len;
char *ptr;
char *print_buffer;
print_buffer = curlx_mvaprintf(fmt, ap);
if(!print_buffer)
return;
len = strlen(print_buffer);
ptr = print_buffer;
while(len > 0) {
fputs(prefix, config->errors);
if(len > width) {
size_t cut = width-1;
while(!ISSPACE(ptr[cut]) && cut) {
cut--;
}
if(0 == cut)
/* not a single cutting position was found, just cut it at the
max text width then! */
cut = width-1;
(void)fwrite(ptr, cut + 1, 1, config->errors);
fputs("\n", config->errors);
ptr += cut + 1; /* skip the space too */
len -= cut;
}
else {
fputs(ptr, config->errors);
len = 0;
}
}
curl_free(print_buffer);
}
}
|
CWE-125
| 182,201 | 3,545 |
243200030011946076236969985114692705210
| null | null | null |
curl
|
81d135d67155c5295b1033679c606165d4e28f3f
| 1 |
CURLcode Curl_close(struct Curl_easy *data)
{
struct Curl_multi *m;
if(!data)
return CURLE_OK;
Curl_expire_clear(data); /* shut off timers */
m = data->multi;
if(m)
/* This handle is still part of a multi handle, take care of this first
and detach this handle from there. */
curl_multi_remove_handle(data->multi, data);
if(data->multi_easy)
/* when curl_easy_perform() is used, it creates its own multi handle to
use and this is the one */
curl_multi_cleanup(data->multi_easy);
/* Destroy the timeout list that is held in the easy handle. It is
/normally/ done by curl_multi_remove_handle() but this is "just in
case" */
Curl_llist_destroy(&data->state.timeoutlist, NULL);
data->magic = 0; /* force a clear AFTER the possibly enforced removal from
the multi handle, since that function uses the magic
field! */
if(data->state.rangestringalloc)
free(data->state.range);
/* freed here just in case DONE wasn't called */
Curl_free_request_state(data);
/* Close down all open SSL info and sessions */
Curl_ssl_close_all(data);
Curl_safefree(data->state.first_host);
Curl_safefree(data->state.scratch);
Curl_ssl_free_certinfo(data);
/* Cleanup possible redirect junk */
free(data->req.newurl);
data->req.newurl = NULL;
if(data->change.referer_alloc) {
Curl_safefree(data->change.referer);
data->change.referer_alloc = FALSE;
}
data->change.referer = NULL;
Curl_up_free(data);
Curl_safefree(data->state.buffer);
Curl_safefree(data->state.headerbuff);
Curl_safefree(data->state.ulbuf);
Curl_flush_cookies(data, 1);
Curl_digest_cleanup(data);
Curl_safefree(data->info.contenttype);
Curl_safefree(data->info.wouldredirect);
/* this destroys the channel and we cannot use it anymore after this */
Curl_resolver_cleanup(data->state.resolver);
Curl_http2_cleanup_dependencies(data);
Curl_convert_close(data);
/* No longer a dirty share, if it exists */
if(data->share) {
Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
data->share->dirty--;
Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
}
/* destruct wildcard structures if it is needed */
Curl_wildcard_dtor(&data->wildcard);
Curl_freeset(data);
free(data);
return CURLE_OK;
}
|
CWE-416
| 182,202 | 3,546 |
146738609343169308972692790886317340917
| null | null | null |
curl
|
f3a24d7916b9173c69a3e0ee790102993833d6c5
| 1 |
CURLcode Curl_auth_create_plain_message(struct Curl_easy *data,
const char *userp,
const char *passwdp,
char **outptr, size_t *outlen)
{
CURLcode result;
char *plainauth;
size_t ulen;
size_t plen;
size_t plainlen;
*outlen = 0;
*outptr = NULL;
ulen = strlen(userp);
plen = strlen(passwdp);
/* Compute binary message length. Check for overflows. */
if((ulen > SIZE_T_MAX/2) || (plen > (SIZE_T_MAX/2 - 2)))
return CURLE_OUT_OF_MEMORY;
plainlen = 2 * ulen + plen + 2;
plainauth = malloc(plainlen);
if(!plainauth)
return CURLE_OUT_OF_MEMORY;
/* Calculate the reply */
memcpy(plainauth, userp, ulen);
plainauth[ulen] = '\0';
memcpy(plainauth + ulen + 1, userp, ulen);
plainauth[2 * ulen + 1] = '\0';
memcpy(plainauth + 2 * ulen + 2, passwdp, plen);
/* Base64 encode the reply */
result = Curl_base64_encode(data, plainauth, plainlen, outptr, outlen);
free(plainauth);
return result;
}
|
CWE-119
| 182,203 | 3,547 |
151646974909090776586907925712086059011
| null | null | null |
mongo-c-driver
|
0d9a4d98bfdf4acd2c0138d4aaeb4e2e0934bd84
| 1 |
_bson_iter_next_internal (bson_iter_t *iter, /* INOUT */
uint32_t next_keylen, /* IN */
const char **key, /* OUT */
uint32_t *bson_type, /* OUT */
bool *unsupported) /* OUT */
{
const uint8_t *data;
uint32_t o;
unsigned int len;
BSON_ASSERT (iter);
*unsupported = false;
if (!iter->raw) {
*key = NULL;
*bson_type = BSON_TYPE_EOD;
return false;
}
data = iter->raw;
len = iter->len;
iter->off = iter->next_off;
iter->type = iter->off;
iter->key = iter->off + 1;
iter->d1 = 0;
iter->d2 = 0;
iter->d3 = 0;
iter->d4 = 0;
if (next_keylen == 0) {
/* iterate from start to end of NULL-terminated key string */
for (o = iter->key; o < len; o++) {
if (!data[o]) {
iter->d1 = ++o;
goto fill_data_fields;
}
}
} else {
o = iter->key + next_keylen + 1;
iter->d1 = o;
goto fill_data_fields;
}
goto mark_invalid;
fill_data_fields:
*key = bson_iter_key_unsafe (iter);
*bson_type = ITER_TYPE (iter);
switch (*bson_type) {
case BSON_TYPE_DATE_TIME:
case BSON_TYPE_DOUBLE:
case BSON_TYPE_INT64:
case BSON_TYPE_TIMESTAMP:
iter->next_off = o + 8;
break;
case BSON_TYPE_CODE:
case BSON_TYPE_SYMBOL:
case BSON_TYPE_UTF8: {
uint32_t l;
if ((o + 4) >= len) {
iter->err_off = o;
goto mark_invalid;
}
iter->d2 = o + 4;
memcpy (&l, iter->raw + iter->d1, sizeof (l));
l = BSON_UINT32_FROM_LE (l);
if (l > (len - (o + 4))) {
iter->err_off = o;
goto mark_invalid;
}
iter->next_off = o + 4 + l;
/*
* Make sure the string length includes the NUL byte.
*/
if (BSON_UNLIKELY ((l == 0) || (iter->next_off >= len))) {
iter->err_off = o;
goto mark_invalid;
}
/*
* Make sure the last byte is a NUL byte.
*/
if (BSON_UNLIKELY ((iter->raw + iter->d2)[l - 1] != '\0')) {
iter->err_off = o + 4 + l - 1;
goto mark_invalid;
}
} break;
case BSON_TYPE_BINARY: {
bson_subtype_t subtype;
uint32_t l;
if (o >= (len - 4)) {
iter->err_off = o;
goto mark_invalid;
}
iter->d2 = o + 4;
iter->d3 = o + 5;
memcpy (&l, iter->raw + iter->d1, sizeof (l));
l = BSON_UINT32_FROM_LE (l);
if (l >= (len - o)) {
iter->err_off = o;
goto mark_invalid;
}
subtype = *(iter->raw + iter->d2);
if (subtype == BSON_SUBTYPE_BINARY_DEPRECATED) {
int32_t binary_len;
if (l < 4) {
iter->err_off = o;
goto mark_invalid;
}
/* subtype 2 has a redundant length header in the data */
memcpy (&binary_len, (iter->raw + iter->d3), sizeof (binary_len));
binary_len = BSON_UINT32_FROM_LE (binary_len);
if (binary_len + 4 != l) {
iter->err_off = iter->d3;
goto mark_invalid;
}
}
iter->next_off = o + 5 + l;
} break;
case BSON_TYPE_ARRAY:
case BSON_TYPE_DOCUMENT: {
uint32_t l;
if (o >= (len - 4)) {
iter->err_off = o;
goto mark_invalid;
}
memcpy (&l, iter->raw + iter->d1, sizeof (l));
l = BSON_UINT32_FROM_LE (l);
if ((l > len) || (l > (len - o))) {
iter->err_off = o;
goto mark_invalid;
}
iter->next_off = o + l;
} break;
case BSON_TYPE_OID:
iter->next_off = o + 12;
break;
case BSON_TYPE_BOOL: {
char val;
if (iter->d1 >= len) {
iter->err_off = o;
goto mark_invalid;
}
memcpy (&val, iter->raw + iter->d1, 1);
if (val != 0x00 && val != 0x01) {
iter->err_off = o;
goto mark_invalid;
}
iter->next_off = o + 1;
} break;
case BSON_TYPE_REGEX: {
bool eor = false;
bool eoo = false;
for (; o < len; o++) {
if (!data[o]) {
iter->d2 = ++o;
eor = true;
break;
}
}
if (!eor) {
iter->err_off = iter->next_off;
goto mark_invalid;
}
for (; o < len; o++) {
if (!data[o]) {
eoo = true;
break;
}
}
if (!eoo) {
iter->err_off = iter->next_off;
goto mark_invalid;
}
iter->next_off = o + 1;
} break;
case BSON_TYPE_DBPOINTER: {
uint32_t l;
if (o >= (len - 4)) {
iter->err_off = o;
goto mark_invalid;
}
iter->d2 = o + 4;
memcpy (&l, iter->raw + iter->d1, sizeof (l));
l = BSON_UINT32_FROM_LE (l);
/* Check valid string length. l counts '\0' but not 4 bytes for itself. */
if (l == 0 || l > (len - o - 4)) {
iter->err_off = o;
goto mark_invalid;
}
if (*(iter->raw + o + l + 3)) {
/* not null terminated */
iter->err_off = o + l + 3;
goto mark_invalid;
}
iter->d3 = o + 4 + l;
iter->next_off = o + 4 + l + 12;
} break;
case BSON_TYPE_CODEWSCOPE: {
uint32_t l;
uint32_t doclen;
if ((len < 19) || (o >= (len - 14))) {
iter->err_off = o;
goto mark_invalid;
}
iter->d2 = o + 4;
iter->d3 = o + 8;
memcpy (&l, iter->raw + iter->d1, sizeof (l));
l = BSON_UINT32_FROM_LE (l);
if ((l < 14) || (l >= (len - o))) {
iter->err_off = o;
goto mark_invalid;
}
iter->next_off = o + l;
if (iter->next_off >= len) {
iter->err_off = o;
goto mark_invalid;
}
memcpy (&l, iter->raw + iter->d2, sizeof (l));
l = BSON_UINT32_FROM_LE (l);
if (l == 0 || l >= (len - o - 4 - 4)) {
iter->err_off = o;
goto mark_invalid;
}
if ((o + 4 + 4 + l + 4) >= iter->next_off) {
iter->err_off = o + 4;
goto mark_invalid;
}
iter->d4 = o + 4 + 4 + l;
memcpy (&doclen, iter->raw + iter->d4, sizeof (doclen));
doclen = BSON_UINT32_FROM_LE (doclen);
if ((o + 4 + 4 + l + doclen) != iter->next_off) {
iter->err_off = o + 4 + 4 + l;
goto mark_invalid;
}
} break;
case BSON_TYPE_INT32:
iter->next_off = o + 4;
break;
case BSON_TYPE_DECIMAL128:
iter->next_off = o + 16;
break;
case BSON_TYPE_MAXKEY:
case BSON_TYPE_MINKEY:
case BSON_TYPE_NULL:
case BSON_TYPE_UNDEFINED:
iter->next_off = o;
break;
default:
*unsupported = true;
/* FALL THROUGH */
case BSON_TYPE_EOD:
iter->err_off = o;
goto mark_invalid;
}
/*
* Check to see if any of the field locations would overflow the
* current BSON buffer. If so, set the error location to the offset
* of where the field starts.
*/
if (iter->next_off >= len) {
iter->err_off = o;
goto mark_invalid;
}
iter->err_off = 0;
return true;
mark_invalid:
iter->raw = NULL;
iter->len = 0;
iter->next_off = 0;
return false;
}
|
CWE-125
| 182,204 | 3,548 |
247944174862272730917153760849014501526
| null | null | null |
ImageMagick6
|
1007b98f8795ad4bea6bc5f68a32d83e982fdae4
| 1 |
static Image *ReadOneJNGImage(MngInfo *mng_info,
const ImageInfo *image_info, ExceptionInfo *exception)
{
Image
*alpha_image,
*color_image,
*image,
*jng_image;
ImageInfo
*alpha_image_info,
*color_image_info;
MagickBooleanType
logging;
int
unique_filenames;
ssize_t
y;
MagickBooleanType
status;
png_uint_32
jng_height,
jng_width;
png_byte
jng_color_type,
jng_image_sample_depth,
jng_image_compression_method,
jng_image_interlace_method,
jng_alpha_sample_depth,
jng_alpha_compression_method,
jng_alpha_filter_method,
jng_alpha_interlace_method;
register const PixelPacket
*s;
register ssize_t
i,
x;
register PixelPacket
*q;
register unsigned char
*p;
unsigned int
read_JSEP,
reading_idat;
size_t
length;
jng_alpha_compression_method=0;
jng_alpha_sample_depth=8;
jng_color_type=0;
jng_height=0;
jng_width=0;
alpha_image=(Image *) NULL;
color_image=(Image *) NULL;
alpha_image_info=(ImageInfo *) NULL;
color_image_info=(ImageInfo *) NULL;
unique_filenames=0;
logging=LogMagickEvent(CoderEvent,GetMagickModule(),
" Enter ReadOneJNGImage()");
image=mng_info->image;
if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL)
{
/*
Allocate next image structure.
*/
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" AcquireNextImage()");
AcquireNextImage(image_info,image);
if (GetNextImageInList(image) == (Image *) NULL)
return(DestroyImageList(image));
image=SyncNextImageInList(image);
}
mng_info->image=image;
/*
Signature bytes have already been read.
*/
read_JSEP=MagickFalse;
reading_idat=MagickFalse;
for (;;)
{
char
type[MaxTextExtent];
unsigned char
*chunk;
unsigned int
count;
/*
Read a new JNG chunk.
*/
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
2*GetBlobSize(image));
if (status == MagickFalse)
break;
type[0]='\0';
(void) ConcatenateMagickString(type,"errr",MaxTextExtent);
length=(size_t) ReadBlobMSBLong(image);
count=(unsigned int) ReadBlob(image,4,(unsigned char *) type);
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Reading JNG chunk type %c%c%c%c, length: %.20g",
type[0],type[1],type[2],type[3],(double) length);
if (length > PNG_UINT_31_MAX || count == 0)
{
DestroyJNG(NULL,&color_image,&color_image_info,
&alpha_image,&alpha_image_info);
ThrowReaderException(CorruptImageError,"CorruptImage");
}
p=NULL;
chunk=(unsigned char *) NULL;
if (length != 0)
{
if (length > GetBlobSize(image))
{
DestroyJNG(NULL,&color_image,&color_image_info,
&alpha_image,&alpha_image_info);
ThrowReaderException(CorruptImageError,
"InsufficientImageDataInFile");
}
chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk));
if (chunk == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
for (i=0; i < (ssize_t) length; i++)
{
int
c;
c=ReadBlobByte(image);
if (c == EOF)
break;
chunk[i]=(unsigned char) c;
}
for ( ; i < (ssize_t) length; i++)
chunk[i]='\0';
p=chunk;
}
(void) ReadBlobMSBLong(image); /* read crc word */
if (memcmp(type,mng_JHDR,4) == 0)
{
if (length == 16)
{
jng_width=(png_uint_32)mng_get_long(p);
jng_height=(png_uint_32)mng_get_long(&p[4]);
if ((jng_width == 0) || (jng_height == 0))
{
DestroyJNG(chunk,&color_image,&color_image_info,
&alpha_image,&alpha_image_info);
ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
}
jng_color_type=p[8];
jng_image_sample_depth=p[9];
jng_image_compression_method=p[10];
jng_image_interlace_method=p[11];
image->interlace=jng_image_interlace_method != 0 ? PNGInterlace :
NoInterlace;
jng_alpha_sample_depth=p[12];
jng_alpha_compression_method=p[13];
jng_alpha_filter_method=p[14];
jng_alpha_interlace_method=p[15];
if (logging != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" jng_width: %16lu, jng_height: %16lu\n"
" jng_color_type: %16d, jng_image_sample_depth: %3d\n"
" jng_image_compression_method:%3d",
(unsigned long) jng_width, (unsigned long) jng_height,
jng_color_type, jng_image_sample_depth,
jng_image_compression_method);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" jng_image_interlace_method: %3d"
" jng_alpha_sample_depth: %3d",
jng_image_interlace_method,
jng_alpha_sample_depth);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" jng_alpha_compression_method:%3d\n"
" jng_alpha_filter_method: %3d\n"
" jng_alpha_interlace_method: %3d",
jng_alpha_compression_method,
jng_alpha_filter_method,
jng_alpha_interlace_method);
}
}
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
if (jng_width > 65535 || jng_height > 65535 ||
(long) jng_width > GetMagickResourceLimit(WidthResource) ||
(long) jng_height > GetMagickResourceLimit(HeightResource))
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" JNG width or height too large: (%lu x %lu)",
(long) jng_width, (long) jng_height);
DestroyJNG(chunk,&color_image,&color_image_info,
&alpha_image,&alpha_image_info);
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
continue;
}
if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) &&
((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) ||
(memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0)))
{
/*
o create color_image
o open color_blob, attached to color_image
o if (color type has alpha)
open alpha_blob, attached to alpha_image
*/
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Creating color_blob.");
color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo));
if (color_image_info == (ImageInfo *) NULL)
{
DestroyJNG(chunk,&color_image,&color_image_info,
&alpha_image,&alpha_image_info);
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
GetImageInfo(color_image_info);
color_image=AcquireImage(color_image_info);
if (color_image == (Image *) NULL)
{
DestroyJNG(chunk,&color_image,&color_image_info,
&alpha_image,&alpha_image_info);
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
(void) AcquireUniqueFilename(color_image->filename);
unique_filenames++;
status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode,
exception);
if (status == MagickFalse)
{
DestroyJNG(chunk,&color_image,&color_image_info,
&alpha_image,&alpha_image_info);
return(DestroyImageList(image));
}
if ((image_info->ping == MagickFalse) && (jng_color_type >= 12))
{
alpha_image_info=(ImageInfo *)
AcquireMagickMemory(sizeof(ImageInfo));
if (alpha_image_info == (ImageInfo *) NULL)
{
DestroyJNG(chunk,&color_image,&color_image_info,
&alpha_image,&alpha_image_info);
ThrowReaderException(ResourceLimitError,
"MemoryAllocationFailed");
}
GetImageInfo(alpha_image_info);
alpha_image=AcquireImage(alpha_image_info);
if (alpha_image == (Image *) NULL)
{
DestroyJNG(chunk,&color_image,&color_image_info,
&alpha_image,&alpha_image_info);
ThrowReaderException(ResourceLimitError,
"MemoryAllocationFailed");
}
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Creating alpha_blob.");
(void) AcquireUniqueFilename(alpha_image->filename);
unique_filenames++;
status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode,
exception);
if (status == MagickFalse)
{
alpha_image=DestroyImage(alpha_image);
alpha_image_info=DestroyImageInfo(alpha_image_info);
color_image=DestroyImage(color_image);
return(DestroyImageList(image));
}
if (jng_alpha_compression_method == 0)
{
unsigned char
data[18];
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Writing IHDR chunk to alpha_blob.");
(void) WriteBlob(alpha_image,8,(const unsigned char *)
"\211PNG\r\n\032\n");
(void) WriteBlobMSBULong(alpha_image,13L);
PNGType(data,mng_IHDR);
LogPNGChunk(logging,mng_IHDR,13L);
PNGLong(data+4,jng_width);
PNGLong(data+8,jng_height);
data[12]=jng_alpha_sample_depth;
data[13]=0; /* color_type gray */
data[14]=0; /* compression method 0 */
data[15]=0; /* filter_method 0 */
data[16]=0; /* interlace_method 0 */
(void) WriteBlob(alpha_image,17,data);
(void) WriteBlobMSBULong(alpha_image,crc32(0,data,17));
}
}
reading_idat=MagickTrue;
}
if (memcmp(type,mng_JDAT,4) == 0)
{
/* Copy chunk to color_image->blob */
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Copying JDAT chunk data to color_blob.");
if (length != 0)
{
(void) WriteBlob(color_image,length,chunk);
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
}
continue;
}
if (memcmp(type,mng_IDAT,4) == 0)
{
png_byte
data[5];
/* Copy IDAT header and chunk data to alpha_image->blob */
if (alpha_image != NULL && image_info->ping == MagickFalse)
{
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Copying IDAT chunk data to alpha_blob.");
(void) WriteBlobMSBULong(alpha_image,(size_t) length);
PNGType(data,mng_IDAT);
LogPNGChunk(logging,mng_IDAT,length);
(void) WriteBlob(alpha_image,4,data);
(void) WriteBlob(alpha_image,length,chunk);
(void) WriteBlobMSBULong(alpha_image,
crc32(crc32(0,data,4),chunk,(uInt) length));
}
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
continue;
}
if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0))
{
/* Copy chunk data to alpha_image->blob */
if (alpha_image != NULL && image_info->ping == MagickFalse)
{
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Copying JDAA chunk data to alpha_blob.");
(void) WriteBlob(alpha_image,length,chunk);
}
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
continue;
}
if (memcmp(type,mng_JSEP,4) == 0)
{
read_JSEP=MagickTrue;
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
continue;
}
if (memcmp(type,mng_bKGD,4) == 0)
{
if (length == 2)
{
image->background_color.red=ScaleCharToQuantum(p[1]);
image->background_color.green=image->background_color.red;
image->background_color.blue=image->background_color.red;
}
if (length == 6)
{
image->background_color.red=ScaleCharToQuantum(p[1]);
image->background_color.green=ScaleCharToQuantum(p[3]);
image->background_color.blue=ScaleCharToQuantum(p[5]);
}
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
continue;
}
if (memcmp(type,mng_gAMA,4) == 0)
{
if (length == 4)
image->gamma=((float) mng_get_long(p))*0.00001;
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
continue;
}
if (memcmp(type,mng_cHRM,4) == 0)
{
if (length == 32)
{
image->chromaticity.white_point.x=0.00001*mng_get_long(p);
image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]);
image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]);
image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]);
image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]);
image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]);
image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]);
image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]);
}
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
continue;
}
if (memcmp(type,mng_sRGB,4) == 0)
{
if (length == 1)
{
image->rendering_intent=
Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]);
image->gamma=1.000f/2.200f;
image->chromaticity.red_primary.x=0.6400f;
image->chromaticity.red_primary.y=0.3300f;
image->chromaticity.green_primary.x=0.3000f;
image->chromaticity.green_primary.y=0.6000f;
image->chromaticity.blue_primary.x=0.1500f;
image->chromaticity.blue_primary.y=0.0600f;
image->chromaticity.white_point.x=0.3127f;
image->chromaticity.white_point.y=0.3290f;
}
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
continue;
}
if (memcmp(type,mng_oFFs,4) == 0)
{
if (length > 8)
{
image->page.x=(ssize_t) mng_get_long(p);
image->page.y=(ssize_t) mng_get_long(&p[4]);
if ((int) p[8] != 0)
{
image->page.x/=10000;
image->page.y/=10000;
}
}
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
continue;
}
if (memcmp(type,mng_pHYs,4) == 0)
{
if (length > 8)
{
image->x_resolution=(double) mng_get_long(p);
image->y_resolution=(double) mng_get_long(&p[4]);
if ((int) p[8] == PNG_RESOLUTION_METER)
{
image->units=PixelsPerCentimeterResolution;
image->x_resolution=image->x_resolution/100.0f;
image->y_resolution=image->y_resolution/100.0f;
}
}
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
continue;
}
#if 0
if (memcmp(type,mng_iCCP,4) == 0)
{
/* To do: */
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
continue;
}
#endif
chunk=(unsigned char *) RelinquishMagickMemory(chunk);
if (memcmp(type,mng_IEND,4))
continue;
break;
}
/* IEND found */
/*
Finish up reading image data:
o read main image from color_blob.
o close color_blob.
o if (color_type has alpha)
if alpha_encoding is PNG
read secondary image from alpha_blob via ReadPNG
if alpha_encoding is JPEG
read secondary image from alpha_blob via ReadJPEG
o close alpha_blob.
o copy intensity of secondary image into
opacity samples of main image.
o destroy the secondary image.
*/
if (color_image_info == (ImageInfo *) NULL)
{
assert(color_image == (Image *) NULL);
assert(alpha_image == (Image *) NULL);
return(DestroyImageList(image));
}
if (color_image == (Image *) NULL)
{
assert(alpha_image == (Image *) NULL);
return(DestroyImageList(image));
}
(void) SeekBlob(color_image,0,SEEK_SET);
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Reading jng_image from color_blob.");
assert(color_image_info != (ImageInfo *) NULL);
(void) FormatLocaleString(color_image_info->filename,MaxTextExtent,"%s",
color_image->filename);
color_image_info->ping=MagickFalse; /* To do: avoid this */
jng_image=ReadImage(color_image_info,exception);
(void) RelinquishUniqueFileResource(color_image->filename);
unique_filenames--;
color_image=DestroyImage(color_image);
color_image_info=DestroyImageInfo(color_image_info);
if (jng_image == (Image *) NULL)
{
DestroyJNG(NULL,NULL,NULL,&alpha_image,&alpha_image_info);
return(DestroyImageList(image));
}
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Copying jng_image pixels to main image.");
image->columns=jng_width;
image->rows=jng_height;
length=image->columns*sizeof(PixelPacket);
status=SetImageExtent(image,image->columns,image->rows);
if (status == MagickFalse)
{
jng_image=DestroyImageList(jng_image);
DestroyJNG(NULL,&color_image,&color_image_info,&alpha_image,
&alpha_image_info);
InheritException(exception,&image->exception);
return(DestroyImageList(image));
}
if ((image->columns != jng_image->columns) ||
(image->rows != jng_image->rows))
{
jng_image=DestroyImageList(jng_image);
DestroyJNG(NULL,&color_image,&color_image_info,&alpha_image,
&alpha_image_info);
InheritException(exception,&image->exception);
return(DestroyImageList(image));
}
for (y=0; y < (ssize_t) image->rows; y++)
{
s=GetVirtualPixels(jng_image,0,y,image->columns,1,&image->exception);
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
if ((s == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL))
break;
(void) memcpy(q,s,length);
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
jng_image=DestroyImage(jng_image);
if ((image_info->ping == MagickFalse) && (jng_color_type >= 12))
{
if (jng_alpha_compression_method == 0)
{
png_byte
data[5];
(void) WriteBlobMSBULong(alpha_image,0x00000000L);
PNGType(data,mng_IEND);
LogPNGChunk(logging,mng_IEND,0L);
(void) WriteBlob(alpha_image,4,data);
(void) WriteBlobMSBULong(alpha_image,crc32(0,data,4));
}
(void) SeekBlob(alpha_image,0,SEEK_SET);
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Reading opacity from alpha_blob.");
(void) FormatLocaleString(alpha_image_info->filename,MaxTextExtent,
"%s",alpha_image->filename);
jng_image=ReadImage(alpha_image_info,exception);
if (jng_image != (Image *) NULL)
for (y=0; y < (ssize_t) image->rows; y++)
{
s=GetVirtualPixels(jng_image,0,y,image->columns,1,&image->exception);
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
if ((s == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL))
break;
if (image->matte != MagickFalse)
for (x=(ssize_t) image->columns; x != 0; x--,q++,s++)
SetPixelOpacity(q,QuantumRange-GetPixelRed(s));
else
for (x=(ssize_t) image->columns; x != 0; x--,q++,s++)
{
SetPixelAlpha(q,GetPixelRed(s));
if (GetPixelOpacity(q) != OpaqueOpacity)
image->matte=MagickTrue;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
(void) RelinquishUniqueFileResource(alpha_image->filename);
unique_filenames--;
alpha_image=DestroyImage(alpha_image);
alpha_image_info=DestroyImageInfo(alpha_image_info);
if (jng_image != (Image *) NULL)
jng_image=DestroyImage(jng_image);
}
/* Read the JNG image. */
if (mng_info->mng_type == 0)
{
mng_info->mng_width=jng_width;
mng_info->mng_height=jng_height;
}
if (image->page.width == 0 && image->page.height == 0)
{
image->page.width=jng_width;
image->page.height=jng_height;
}
if (image->page.x == 0 && image->page.y == 0)
{
image->page.x=mng_info->x_off[mng_info->object_id];
image->page.y=mng_info->y_off[mng_info->object_id];
}
else
{
image->page.y=mng_info->y_off[mng_info->object_id];
}
mng_info->image_found++;
status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image),
2*GetBlobSize(image));
if (status == MagickFalse)
return(DestroyImageList(image));
if (logging != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" exit ReadOneJNGImage(); unique_filenames=%d",unique_filenames);
return(image);
}
|
CWE-617
| 182,206 | 3,550 |
54473371976532861212204417723377569829
| null | null | null |
linux
|
8f3fafc9c2f0ece10832c25f7ffcb07c97a32ad4
| 1 |
static int cdrom_ioctl_drive_status(struct cdrom_device_info *cdi,
unsigned long arg)
{
cd_dbg(CD_DO_IOCTL, "entering CDROM_DRIVE_STATUS\n");
if (!(cdi->ops->capability & CDC_DRIVE_STATUS))
return -ENOSYS;
if (!CDROM_CAN(CDC_SELECT_DISC) ||
(arg == CDSL_CURRENT || arg == CDSL_NONE))
return cdi->ops->drive_status(cdi, CDSL_CURRENT);
if (((int)arg >= cdi->capacity))
return -EINVAL;
return cdrom_slot_status(cdi, arg);
}
|
CWE-200
| 182,207 | 3,551 |
318716308735320025753821134565045876215
| null | null | null |
ImageMagick
|
ecb31dbad39ccdc65868d5d2a37f0f0521250832
| 1 |
static Image *ReadBMPImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
BMPInfo
bmp_info;
Image
*image;
MagickBooleanType
status;
MagickOffsetType
offset,
start_position;
MemoryInfo
*pixel_info;
Quantum
index;
register Quantum
*q;
register ssize_t
i,
x;
register unsigned char
*p;
size_t
bit,
bytes_per_line,
length;
ssize_t
count,
y;
unsigned char
magick[12],
*pixels;
unsigned int
blue,
green,
offset_bits,
red;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Determine if this a BMP file.
*/
(void) memset(&bmp_info,0,sizeof(bmp_info));
bmp_info.ba_offset=0;
start_position=0;
offset_bits=0;
count=ReadBlob(image,2,magick);
if (count != 2)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
do
{
PixelInfo
quantum_bits;
PixelPacket
shift;
/*
Verify BMP identifier.
*/
if (bmp_info.ba_offset == 0)
start_position=TellBlob(image)-2;
bmp_info.ba_offset=0;
while (LocaleNCompare((char *) magick,"BA",2) == 0)
{
bmp_info.file_size=ReadBlobLSBLong(image);
bmp_info.ba_offset=ReadBlobLSBLong(image);
bmp_info.offset_bits=ReadBlobLSBLong(image);
count=ReadBlob(image,2,magick);
if (count != 2)
break;
}
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule()," Magick: %c%c",
magick[0],magick[1]);
if ((count != 2) || ((LocaleNCompare((char *) magick,"BM",2) != 0) &&
(LocaleNCompare((char *) magick,"CI",2) != 0)))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
bmp_info.file_size=ReadBlobLSBLong(image);
(void) ReadBlobLSBLong(image);
bmp_info.offset_bits=ReadBlobLSBLong(image);
bmp_info.size=ReadBlobLSBLong(image);
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule()," BMP size: %u",
bmp_info.size);
if (bmp_info.size == 12)
{
/*
OS/2 BMP image file.
*/
(void) CopyMagickString(image->magick,"BMP2",MagickPathExtent);
bmp_info.width=(ssize_t) ((short) ReadBlobLSBShort(image));
bmp_info.height=(ssize_t) ((short) ReadBlobLSBShort(image));
bmp_info.planes=ReadBlobLSBShort(image);
bmp_info.bits_per_pixel=ReadBlobLSBShort(image);
bmp_info.x_pixels=0;
bmp_info.y_pixels=0;
bmp_info.number_colors=0;
bmp_info.compression=BI_RGB;
bmp_info.image_size=0;
bmp_info.alpha_mask=0;
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Format: OS/2 Bitmap");
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Geometry: %.20gx%.20g",(double) bmp_info.width,(double)
bmp_info.height);
}
}
else
{
/*
Microsoft Windows BMP image file.
*/
if (bmp_info.size < 40)
ThrowReaderException(CorruptImageError,"NonOS2HeaderSizeError");
bmp_info.width=(ssize_t) ReadBlobLSBSignedLong(image);
bmp_info.height=(ssize_t) ReadBlobLSBSignedLong(image);
bmp_info.planes=ReadBlobLSBShort(image);
bmp_info.bits_per_pixel=ReadBlobLSBShort(image);
bmp_info.compression=ReadBlobLSBLong(image);
bmp_info.image_size=ReadBlobLSBLong(image);
bmp_info.x_pixels=ReadBlobLSBLong(image);
bmp_info.y_pixels=ReadBlobLSBLong(image);
bmp_info.number_colors=ReadBlobLSBLong(image);
bmp_info.colors_important=ReadBlobLSBLong(image);
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Format: MS Windows bitmap");
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Geometry: %.20gx%.20g",(double) bmp_info.width,(double)
bmp_info.height);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Bits per pixel: %.20g",(double) bmp_info.bits_per_pixel);
switch (bmp_info.compression)
{
case BI_RGB:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_RGB");
break;
}
case BI_RLE4:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_RLE4");
break;
}
case BI_RLE8:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_RLE8");
break;
}
case BI_BITFIELDS:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_BITFIELDS");
break;
}
case BI_PNG:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_PNG");
break;
}
case BI_JPEG:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: BI_JPEG");
break;
}
default:
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Compression: UNKNOWN (%u)",bmp_info.compression);
}
}
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Number of colors: %u",bmp_info.number_colors);
}
bmp_info.red_mask=ReadBlobLSBLong(image);
bmp_info.green_mask=ReadBlobLSBLong(image);
bmp_info.blue_mask=ReadBlobLSBLong(image);
if (bmp_info.size > 40)
{
double
gamma;
/*
Read color management information.
*/
bmp_info.alpha_mask=ReadBlobLSBLong(image);
bmp_info.colorspace=ReadBlobLSBSignedLong(image);
/*
Decode 2^30 fixed point formatted CIE primaries.
*/
# define BMP_DENOM ((double) 0x40000000)
bmp_info.red_primary.x=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.red_primary.y=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.red_primary.z=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.green_primary.x=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.green_primary.y=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.green_primary.z=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.blue_primary.x=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.blue_primary.y=(double) ReadBlobLSBLong(image)/BMP_DENOM;
bmp_info.blue_primary.z=(double) ReadBlobLSBLong(image)/BMP_DENOM;
gamma=bmp_info.red_primary.x+bmp_info.red_primary.y+
bmp_info.red_primary.z;
gamma=PerceptibleReciprocal(gamma);
bmp_info.red_primary.x*=gamma;
bmp_info.red_primary.y*=gamma;
image->chromaticity.red_primary.x=bmp_info.red_primary.x;
image->chromaticity.red_primary.y=bmp_info.red_primary.y;
gamma=bmp_info.green_primary.x+bmp_info.green_primary.y+
bmp_info.green_primary.z;
gamma=PerceptibleReciprocal(gamma);
bmp_info.green_primary.x*=gamma;
bmp_info.green_primary.y*=gamma;
image->chromaticity.green_primary.x=bmp_info.green_primary.x;
image->chromaticity.green_primary.y=bmp_info.green_primary.y;
gamma=bmp_info.blue_primary.x+bmp_info.blue_primary.y+
bmp_info.blue_primary.z;
gamma=PerceptibleReciprocal(gamma);
bmp_info.blue_primary.x*=gamma;
bmp_info.blue_primary.y*=gamma;
image->chromaticity.blue_primary.x=bmp_info.blue_primary.x;
image->chromaticity.blue_primary.y=bmp_info.blue_primary.y;
/*
Decode 16^16 fixed point formatted gamma_scales.
*/
bmp_info.gamma_scale.x=(double) ReadBlobLSBLong(image)/0x10000;
bmp_info.gamma_scale.y=(double) ReadBlobLSBLong(image)/0x10000;
bmp_info.gamma_scale.z=(double) ReadBlobLSBLong(image)/0x10000;
/*
Compute a single gamma from the BMP 3-channel gamma.
*/
image->gamma=(bmp_info.gamma_scale.x+bmp_info.gamma_scale.y+
bmp_info.gamma_scale.z)/3.0;
}
else
(void) CopyMagickString(image->magick,"BMP3",MagickPathExtent);
if (bmp_info.size > 108)
{
size_t
intent;
/*
Read BMP Version 5 color management information.
*/
intent=ReadBlobLSBLong(image);
switch ((int) intent)
{
case LCS_GM_BUSINESS:
{
image->rendering_intent=SaturationIntent;
break;
}
case LCS_GM_GRAPHICS:
{
image->rendering_intent=RelativeIntent;
break;
}
case LCS_GM_IMAGES:
{
image->rendering_intent=PerceptualIntent;
break;
}
case LCS_GM_ABS_COLORIMETRIC:
{
image->rendering_intent=AbsoluteIntent;
break;
}
}
(void) ReadBlobLSBLong(image); /* Profile data */
(void) ReadBlobLSBLong(image); /* Profile size */
(void) ReadBlobLSBLong(image); /* Reserved byte */
}
}
if ((MagickSizeType) bmp_info.file_size > GetBlobSize(image))
(void) ThrowMagickException(exception,GetMagickModule(),CorruptImageError,
"LengthAndFilesizeDoNotMatch","`%s'",image->filename);
else
if ((MagickSizeType) bmp_info.file_size < GetBlobSize(image))
(void) ThrowMagickException(exception,GetMagickModule(),
CorruptImageWarning,"LengthAndFilesizeDoNotMatch","`%s'",
image->filename);
if (bmp_info.width <= 0)
ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
if (bmp_info.height == 0)
ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
if (bmp_info.planes != 1)
ThrowReaderException(CorruptImageError,"StaticPlanesValueNotEqualToOne");
if ((bmp_info.bits_per_pixel != 1) && (bmp_info.bits_per_pixel != 4) &&
(bmp_info.bits_per_pixel != 8) && (bmp_info.bits_per_pixel != 16) &&
(bmp_info.bits_per_pixel != 24) && (bmp_info.bits_per_pixel != 32))
ThrowReaderException(CorruptImageError,"UnrecognizedBitsPerPixel");
if (bmp_info.bits_per_pixel < 16 &&
bmp_info.number_colors > (1U << bmp_info.bits_per_pixel))
ThrowReaderException(CorruptImageError,"UnrecognizedNumberOfColors");
if ((bmp_info.compression == 1) && (bmp_info.bits_per_pixel != 8))
ThrowReaderException(CorruptImageError,"UnrecognizedBitsPerPixel");
if ((bmp_info.compression == 2) && (bmp_info.bits_per_pixel != 4))
ThrowReaderException(CorruptImageError,"UnrecognizedBitsPerPixel");
if ((bmp_info.compression == 3) && (bmp_info.bits_per_pixel < 16))
ThrowReaderException(CorruptImageError,"UnrecognizedBitsPerPixel");
switch (bmp_info.compression)
{
case BI_RGB:
image->compression=NoCompression;
break;
case BI_RLE8:
case BI_RLE4:
image->compression=RLECompression;
break;
case BI_BITFIELDS:
break;
case BI_JPEG:
ThrowReaderException(CoderError,"JPEGCompressNotSupported");
case BI_PNG:
ThrowReaderException(CoderError,"PNGCompressNotSupported");
default:
ThrowReaderException(CorruptImageError,"UnrecognizedImageCompression");
}
image->columns=(size_t) MagickAbsoluteValue(bmp_info.width);
image->rows=(size_t) MagickAbsoluteValue(bmp_info.height);
image->depth=bmp_info.bits_per_pixel <= 8 ? bmp_info.bits_per_pixel : 8;
image->alpha_trait=((bmp_info.alpha_mask != 0) &&
(bmp_info.compression == BI_BITFIELDS)) ? BlendPixelTrait :
UndefinedPixelTrait;
if (bmp_info.bits_per_pixel < 16)
{
size_t
one;
image->storage_class=PseudoClass;
image->colors=bmp_info.number_colors;
one=1;
if (image->colors == 0)
image->colors=one << bmp_info.bits_per_pixel;
}
image->resolution.x=(double) bmp_info.x_pixels/100.0;
image->resolution.y=(double) bmp_info.y_pixels/100.0;
image->units=PixelsPerCentimeterResolution;
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
if (image->storage_class == PseudoClass)
{
unsigned char
*bmp_colormap;
size_t
packet_size;
/*
Read BMP raster colormap.
*/
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Reading colormap of %.20g colors",(double) image->colors);
if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
bmp_colormap=(unsigned char *) AcquireQuantumMemory((size_t)
image->colors,4*sizeof(*bmp_colormap));
if (bmp_colormap == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
if ((bmp_info.size == 12) || (bmp_info.size == 64))
packet_size=3;
else
packet_size=4;
offset=SeekBlob(image,start_position+14+bmp_info.size,SEEK_SET);
if (offset < 0)
{
bmp_colormap=(unsigned char *) RelinquishMagickMemory(bmp_colormap);
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
count=ReadBlob(image,packet_size*image->colors,bmp_colormap);
if (count != (ssize_t) (packet_size*image->colors))
{
bmp_colormap=(unsigned char *) RelinquishMagickMemory(bmp_colormap);
ThrowReaderException(CorruptImageError,
"InsufficientImageDataInFile");
}
p=bmp_colormap;
for (i=0; i < (ssize_t) image->colors; i++)
{
image->colormap[i].blue=(MagickRealType) ScaleCharToQuantum(*p++);
image->colormap[i].green=(MagickRealType) ScaleCharToQuantum(*p++);
image->colormap[i].red=(MagickRealType) ScaleCharToQuantum(*p++);
if (packet_size == 4)
p++;
}
bmp_colormap=(unsigned char *) RelinquishMagickMemory(bmp_colormap);
}
/*
Read image data.
*/
if (bmp_info.offset_bits == offset_bits)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
offset_bits=bmp_info.offset_bits;
offset=SeekBlob(image,start_position+bmp_info.offset_bits,SEEK_SET);
if (offset < 0)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if (bmp_info.compression == BI_RLE4)
bmp_info.bits_per_pixel<<=1;
bytes_per_line=4*((image->columns*bmp_info.bits_per_pixel+31)/32);
length=(size_t) bytes_per_line*image->rows;
if (((MagickSizeType) length/8) > GetBlobSize(image))
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
if ((bmp_info.compression == BI_RGB) ||
(bmp_info.compression == BI_BITFIELDS))
{
pixel_info=AcquireVirtualMemory(image->rows,
MagickMax(bytes_per_line,image->columns+256UL)*sizeof(*pixels));
if (pixel_info == (MemoryInfo *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Reading pixels (%.20g bytes)",(double) length);
count=ReadBlob(image,length,pixels);
if (count != (ssize_t) length)
{
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,
"InsufficientImageDataInFile");
}
}
else
{
/*
Convert run-length encoded raster pixels.
*/
pixel_info=AcquireVirtualMemory(image->rows,
MagickMax(bytes_per_line,image->columns+256UL)*sizeof(*pixels));
if (pixel_info == (MemoryInfo *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
status=DecodeImage(image,bmp_info.compression,pixels,
image->columns*image->rows);
if (status == MagickFalse)
{
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,
"UnableToRunlengthDecodeImage");
}
}
/*
Convert BMP raster image to pixel packets.
*/
if (bmp_info.compression == BI_RGB)
{
/*
We should ignore the alpha value in BMP3 files but there have been
reports about 32 bit files with alpha. We do a quick check to see if
the alpha channel contains a value that is not zero (default value).
If we find a non zero value we asume the program that wrote the file
wants to use the alpha channel.
*/
if ((image->alpha_trait == UndefinedPixelTrait) && (bmp_info.size == 40) &&
(bmp_info.bits_per_pixel == 32))
{
bytes_per_line=4*(image->columns);
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
for (x=0; x < (ssize_t) image->columns; x++)
{
if (*(p+3) != 0)
{
image->alpha_trait=BlendPixelTrait;
y=-1;
break;
}
p+=4;
}
}
}
bmp_info.alpha_mask=image->alpha_trait != UndefinedPixelTrait ?
0xff000000U : 0U;
bmp_info.red_mask=0x00ff0000U;
bmp_info.green_mask=0x0000ff00U;
bmp_info.blue_mask=0x000000ffU;
if (bmp_info.bits_per_pixel == 16)
{
/*
RGB555.
*/
bmp_info.red_mask=0x00007c00U;
bmp_info.green_mask=0x000003e0U;
bmp_info.blue_mask=0x0000001fU;
}
}
(void) memset(&shift,0,sizeof(shift));
(void) memset(&quantum_bits,0,sizeof(quantum_bits));
if ((bmp_info.bits_per_pixel == 16) || (bmp_info.bits_per_pixel == 32))
{
register unsigned int
sample;
/*
Get shift and quantum bits info from bitfield masks.
*/
if (bmp_info.red_mask != 0)
while (((bmp_info.red_mask << shift.red) & 0x80000000UL) == 0)
{
shift.red++;
if (shift.red >= 32U)
break;
}
if (bmp_info.green_mask != 0)
while (((bmp_info.green_mask << shift.green) & 0x80000000UL) == 0)
{
shift.green++;
if (shift.green >= 32U)
break;
}
if (bmp_info.blue_mask != 0)
while (((bmp_info.blue_mask << shift.blue) & 0x80000000UL) == 0)
{
shift.blue++;
if (shift.blue >= 32U)
break;
}
if (bmp_info.alpha_mask != 0)
while (((bmp_info.alpha_mask << shift.alpha) & 0x80000000UL) == 0)
{
shift.alpha++;
if (shift.alpha >= 32U)
break;
}
sample=shift.red;
while (((bmp_info.red_mask << sample) & 0x80000000UL) != 0)
{
sample++;
if (sample >= 32U)
break;
}
quantum_bits.red=(MagickRealType) (sample-shift.red);
sample=shift.green;
while (((bmp_info.green_mask << sample) & 0x80000000UL) != 0)
{
sample++;
if (sample >= 32U)
break;
}
quantum_bits.green=(MagickRealType) (sample-shift.green);
sample=shift.blue;
while (((bmp_info.blue_mask << sample) & 0x80000000UL) != 0)
{
sample++;
if (sample >= 32U)
break;
}
quantum_bits.blue=(MagickRealType) (sample-shift.blue);
sample=shift.alpha;
while (((bmp_info.alpha_mask << sample) & 0x80000000UL) != 0)
{
sample++;
if (sample >= 32U)
break;
}
quantum_bits.alpha=(MagickRealType) (sample-shift.alpha);
}
switch (bmp_info.bits_per_pixel)
{
case 1:
{
/*
Convert bitmap scanline.
*/
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < ((ssize_t) image->columns-7); x+=8)
{
for (bit=0; bit < 8; bit++)
{
index=(Quantum) (((*p) & (0x80 >> bit)) != 0 ? 0x01 : 0x00);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
}
p++;
}
if ((image->columns % 8) != 0)
{
for (bit=0; bit < (image->columns % 8); bit++)
{
index=(Quantum) (((*p) & (0x80 >> bit)) != 0 ? 0x01 : 0x00);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
}
p++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
(void) SyncImage(image,exception);
break;
}
case 4:
{
/*
Convert PseudoColor scanline.
*/
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < ((ssize_t) image->columns-1); x+=2)
{
ValidateColormapValue(image,(ssize_t) ((*p >> 4) & 0x0f),&index,
exception);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
ValidateColormapValue(image,(ssize_t) (*p & 0x0f),&index,exception);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
p++;
}
if ((image->columns % 2) != 0)
{
ValidateColormapValue(image,(ssize_t) ((*p >> 4) & 0xf),&index,
exception);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
p++;
x++;
}
if (x < (ssize_t) image->columns)
break;
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
(void) SyncImage(image,exception);
break;
}
case 8:
{
/*
Convert PseudoColor scanline.
*/
if ((bmp_info.compression == BI_RLE8) ||
(bmp_info.compression == BI_RLE4))
bytes_per_line=image->columns;
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=(ssize_t) image->columns; x != 0; --x)
{
ValidateColormapValue(image,(ssize_t) *p++,&index,exception);
SetPixelIndex(image,index,q);
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
offset=(MagickOffsetType) (image->rows-y-1);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
(void) SyncImage(image,exception);
break;
}
case 16:
{
unsigned int
alpha,
pixel;
/*
Convert bitfield encoded 16-bit PseudoColor scanline.
*/
if ((bmp_info.compression != BI_RGB) &&
(bmp_info.compression != BI_BITFIELDS))
{
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,
"UnrecognizedImageCompression");
}
bytes_per_line=2*(image->columns+image->columns % 2);
image->storage_class=DirectClass;
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
pixel=(unsigned int) (*p++);
pixel|=(*p++) << 8;
red=((pixel & bmp_info.red_mask) << shift.red) >> 16;
if (quantum_bits.red == 5)
red|=((red & 0xe000) >> 5);
if (quantum_bits.red <= 8)
red|=((red & 0xff00) >> 8);
green=((pixel & bmp_info.green_mask) << shift.green) >> 16;
if (quantum_bits.green == 5)
green|=((green & 0xe000) >> 5);
if (quantum_bits.green == 6)
green|=((green & 0xc000) >> 6);
if (quantum_bits.green <= 8)
green|=((green & 0xff00) >> 8);
blue=((pixel & bmp_info.blue_mask) << shift.blue) >> 16;
if (quantum_bits.blue == 5)
blue|=((blue & 0xe000) >> 5);
if (quantum_bits.blue <= 8)
blue|=((blue & 0xff00) >> 8);
SetPixelRed(image,ScaleShortToQuantum((unsigned short) red),q);
SetPixelGreen(image,ScaleShortToQuantum((unsigned short) green),q);
SetPixelBlue(image,ScaleShortToQuantum((unsigned short) blue),q);
SetPixelAlpha(image,OpaqueAlpha,q);
if (image->alpha_trait != UndefinedPixelTrait)
{
alpha=((pixel & bmp_info.alpha_mask) << shift.alpha) >> 16;
if (quantum_bits.alpha <= 8)
alpha|=((alpha & 0xff00) >> 8);
SetPixelAlpha(image,ScaleShortToQuantum(
(unsigned short) alpha),q);
}
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
offset=(MagickOffsetType) (image->rows-y-1);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
case 24:
{
/*
Convert DirectColor scanline.
*/
bytes_per_line=4*((image->columns*24+31)/32);
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
SetPixelRed(image,ScaleCharToQuantum(*p++),q);
SetPixelAlpha(image,OpaqueAlpha,q);
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
offset=(MagickOffsetType) (image->rows-y-1);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
case 32:
{
/*
Convert bitfield encoded DirectColor scanline.
*/
if ((bmp_info.compression != BI_RGB) &&
(bmp_info.compression != BI_BITFIELDS))
{
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,
"UnrecognizedImageCompression");
}
bytes_per_line=4*(image->columns);
for (y=(ssize_t) image->rows-1; y >= 0; y--)
{
unsigned int
alpha,
pixel;
p=pixels+(image->rows-y-1)*bytes_per_line;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
pixel=(unsigned int) (*p++);
pixel|=((unsigned int) *p++ << 8);
pixel|=((unsigned int) *p++ << 16);
pixel|=((unsigned int) *p++ << 24);
red=((pixel & bmp_info.red_mask) << shift.red) >> 16;
if (quantum_bits.red == 8)
red|=(red >> 8);
green=((pixel & bmp_info.green_mask) << shift.green) >> 16;
if (quantum_bits.green == 8)
green|=(green >> 8);
blue=((pixel & bmp_info.blue_mask) << shift.blue) >> 16;
if (quantum_bits.blue == 8)
blue|=(blue >> 8);
SetPixelRed(image,ScaleShortToQuantum((unsigned short) red),q);
SetPixelGreen(image,ScaleShortToQuantum((unsigned short) green),q);
SetPixelBlue(image,ScaleShortToQuantum((unsigned short) blue),q);
SetPixelAlpha(image,OpaqueAlpha,q);
if (image->alpha_trait != UndefinedPixelTrait)
{
alpha=((pixel & bmp_info.alpha_mask) << shift.alpha) >> 16;
if (quantum_bits.alpha == 8)
alpha|=(alpha >> 8);
SetPixelAlpha(image,ScaleShortToQuantum(
(unsigned short) alpha),q);
}
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
offset=(MagickOffsetType) (image->rows-y-1);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
(image->rows-y),image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
default:
{
pixel_info=RelinquishVirtualMemory(pixel_info);
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
}
pixel_info=RelinquishVirtualMemory(pixel_info);
if (y > 0)
break;
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
if (bmp_info.height < 0)
{
Image
*flipped_image;
/*
Correct image orientation.
*/
flipped_image=FlipImage(image,exception);
if (flipped_image != (Image *) NULL)
{
DuplicateBlob(flipped_image,image);
ReplaceImageInList(&image, flipped_image);
image=flipped_image;
}
}
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
*magick='\0';
if (bmp_info.ba_offset != 0)
{
offset=SeekBlob(image,(MagickOffsetType) bmp_info.ba_offset,SEEK_SET);
if (offset < 0)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
count=ReadBlob(image,2,magick);
if ((count == 2) && (IsBMP(magick,2) != MagickFalse))
{
/*
Acquire next image structure.
*/
AcquireNextImage(image_info,image,exception);
if (GetNextImageInList(image) == (Image *) NULL)
{
status=MagickFalse;
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
} while (IsBMP(magick,2) != MagickFalse);
(void) CloseBlob(image);
if (status == MagickFalse)
return(DestroyImageList(image));
return(GetFirstImageInList(image));
}
|
CWE-770
| 182,208 | 3,552 |
231882249216637052353131231258759268087
| null | null | null |
ImageMagick
|
afa878a689870c28b6994ecf3bb8dbfb2b76d135
| 1 |
static Image *ReadPICTImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
#define ThrowPICTException(exception,message) \
{ \
if (tile_image != (Image *) NULL) \
tile_image=DestroyImage(tile_image); \
if (read_info != (ImageInfo *) NULL) \
read_info=DestroyImageInfo(read_info); \
ThrowReaderException((exception),(message)); \
}
char
geometry[MagickPathExtent],
header_ole[4];
Image
*image,
*tile_image;
ImageInfo
*read_info;
int
c,
code;
MagickBooleanType
jpeg,
status;
PICTRectangle
frame;
PICTPixmap
pixmap;
Quantum
index;
register Quantum
*q;
register ssize_t
i,
x;
size_t
extent,
length;
ssize_t
count,
flags,
j,
version,
y;
StringInfo
*profile;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Read PICT header.
*/
read_info=(ImageInfo *) NULL;
tile_image=(Image *) NULL;
pixmap.bits_per_pixel=0;
pixmap.component_count=0;
/*
Skip header : 512 for standard PICT and 4, ie "PICT" for OLE2.
*/
header_ole[0]=ReadBlobByte(image);
header_ole[1]=ReadBlobByte(image);
header_ole[2]=ReadBlobByte(image);
header_ole[3]=ReadBlobByte(image);
if (!((header_ole[0] == 0x50) && (header_ole[1] == 0x49) &&
(header_ole[2] == 0x43) && (header_ole[3] == 0x54 )))
for (i=0; i < 508; i++)
if (ReadBlobByte(image) == EOF)
break;
(void) ReadBlobMSBShort(image); /* skip picture size */
if (ReadRectangle(image,&frame) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
while ((c=ReadBlobByte(image)) == 0) ;
if (c != 0x11)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
version=(ssize_t) ReadBlobByte(image);
if (version == 2)
{
c=ReadBlobByte(image);
if (c != 0xff)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
}
else
if (version != 1)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
if ((frame.left < 0) || (frame.right < 0) || (frame.top < 0) ||
(frame.bottom < 0) || (frame.left >= frame.right) ||
(frame.top >= frame.bottom))
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
/*
Create black canvas.
*/
flags=0;
image->depth=8;
image->columns=(size_t) (frame.right-frame.left);
image->rows=(size_t) (frame.bottom-frame.top);
image->resolution.x=DefaultResolution;
image->resolution.y=DefaultResolution;
image->units=UndefinedResolution;
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
{
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status != MagickFalse)
status=ResetImagePixels(image,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
/*
Interpret PICT opcodes.
*/
jpeg=MagickFalse;
for (code=0; EOFBlob(image) == MagickFalse; )
{
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
if ((version == 1) || ((TellBlob(image) % 2) != 0))
code=ReadBlobByte(image);
if (version == 2)
code=ReadBlobMSBSignedShort(image);
if (code < 0)
break;
if (code == 0)
continue;
if (code > 0xa1)
{
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),"%04X:",code);
}
else
{
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" %04X %s: %s",code,codes[code].name,codes[code].description);
switch (code)
{
case 0x01:
{
/*
Clipping rectangle.
*/
length=ReadBlobMSBShort(image);
if (length != 0x000a)
{
for (i=0; i < (ssize_t) (length-2); i++)
if (ReadBlobByte(image) == EOF)
break;
break;
}
if (ReadRectangle(image,&frame) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
if (((frame.left & 0x8000) != 0) || ((frame.top & 0x8000) != 0))
break;
image->columns=(size_t) (frame.right-frame.left);
image->rows=(size_t) (frame.bottom-frame.top);
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status != MagickFalse)
status=ResetImagePixels(image,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
break;
}
case 0x12:
case 0x13:
case 0x14:
{
ssize_t
pattern;
size_t
height,
width;
/*
Skip pattern definition.
*/
pattern=(ssize_t) ReadBlobMSBShort(image);
for (i=0; i < 8; i++)
if (ReadBlobByte(image) == EOF)
break;
if (pattern == 2)
{
for (i=0; i < 5; i++)
if (ReadBlobByte(image) == EOF)
break;
break;
}
if (pattern != 1)
ThrowPICTException(CorruptImageError,"UnknownPatternType");
length=ReadBlobMSBShort(image);
if (ReadRectangle(image,&frame) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
if (ReadPixmap(image,&pixmap) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
image->depth=(size_t) pixmap.component_size;
image->resolution.x=1.0*pixmap.horizontal_resolution;
image->resolution.y=1.0*pixmap.vertical_resolution;
image->units=PixelsPerInchResolution;
(void) ReadBlobMSBLong(image);
flags=(ssize_t) ReadBlobMSBShort(image);
length=ReadBlobMSBShort(image);
for (i=0; i <= (ssize_t) length; i++)
(void) ReadBlobMSBLong(image);
width=(size_t) (frame.bottom-frame.top);
height=(size_t) (frame.right-frame.left);
if (pixmap.bits_per_pixel <= 8)
length&=0x7fff;
if (pixmap.bits_per_pixel == 16)
width<<=1;
if (length == 0)
length=width;
if (length < 8)
{
for (i=0; i < (ssize_t) (length*height); i++)
if (ReadBlobByte(image) == EOF)
break;
}
else
for (i=0; i < (ssize_t) height; i++)
{
if (EOFBlob(image) != MagickFalse)
break;
if (length > 200)
{
for (j=0; j < (ssize_t) ReadBlobMSBShort(image); j++)
if (ReadBlobByte(image) == EOF)
break;
}
else
for (j=0; j < (ssize_t) ReadBlobByte(image); j++)
if (ReadBlobByte(image) == EOF)
break;
}
break;
}
case 0x1b:
{
/*
Initialize image background color.
*/
image->background_color.red=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
image->background_color.green=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
image->background_color.blue=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
break;
}
case 0x70:
case 0x71:
case 0x72:
case 0x73:
case 0x74:
case 0x75:
case 0x76:
case 0x77:
{
/*
Skip polygon or region.
*/
length=ReadBlobMSBShort(image);
for (i=0; i < (ssize_t) (length-2); i++)
if (ReadBlobByte(image) == EOF)
break;
break;
}
case 0x90:
case 0x91:
case 0x98:
case 0x99:
case 0x9a:
case 0x9b:
{
PICTRectangle
source,
destination;
register unsigned char
*p;
size_t
j;
ssize_t
bytes_per_line;
unsigned char
*pixels;
/*
Pixmap clipped by a rectangle.
*/
bytes_per_line=0;
if ((code != 0x9a) && (code != 0x9b))
bytes_per_line=(ssize_t) ReadBlobMSBShort(image);
else
{
(void) ReadBlobMSBShort(image);
(void) ReadBlobMSBShort(image);
(void) ReadBlobMSBShort(image);
}
if (ReadRectangle(image,&frame) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
/*
Initialize tile image.
*/
tile_image=CloneImage(image,(size_t) (frame.right-frame.left),
(size_t) (frame.bottom-frame.top),MagickTrue,exception);
if (tile_image == (Image *) NULL)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
if ((code == 0x9a) || (code == 0x9b) ||
((bytes_per_line & 0x8000) != 0))
{
if (ReadPixmap(image,&pixmap) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
tile_image->depth=(size_t) pixmap.component_size;
tile_image->alpha_trait=pixmap.component_count == 4 ?
BlendPixelTrait : UndefinedPixelTrait;
tile_image->resolution.x=(double) pixmap.horizontal_resolution;
tile_image->resolution.y=(double) pixmap.vertical_resolution;
tile_image->units=PixelsPerInchResolution;
if (tile_image->alpha_trait != UndefinedPixelTrait)
(void) SetImageAlpha(tile_image,OpaqueAlpha,exception);
}
if ((code != 0x9a) && (code != 0x9b))
{
/*
Initialize colormap.
*/
tile_image->colors=2;
if ((bytes_per_line & 0x8000) != 0)
{
(void) ReadBlobMSBLong(image);
flags=(ssize_t) ReadBlobMSBShort(image);
tile_image->colors=1UL*ReadBlobMSBShort(image)+1;
}
status=AcquireImageColormap(tile_image,tile_image->colors,
exception);
if (status == MagickFalse)
ThrowPICTException(ResourceLimitError,
"MemoryAllocationFailed");
if ((bytes_per_line & 0x8000) != 0)
{
for (i=0; i < (ssize_t) tile_image->colors; i++)
{
j=ReadBlobMSBShort(image) % tile_image->colors;
if ((flags & 0x8000) != 0)
j=(size_t) i;
tile_image->colormap[j].red=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
tile_image->colormap[j].green=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
tile_image->colormap[j].blue=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
}
}
else
{
for (i=0; i < (ssize_t) tile_image->colors; i++)
{
tile_image->colormap[i].red=(Quantum) (QuantumRange-
tile_image->colormap[i].red);
tile_image->colormap[i].green=(Quantum) (QuantumRange-
tile_image->colormap[i].green);
tile_image->colormap[i].blue=(Quantum) (QuantumRange-
tile_image->colormap[i].blue);
}
}
}
if (EOFBlob(image) != MagickFalse)
ThrowPICTException(CorruptImageError,
"InsufficientImageDataInFile");
if (ReadRectangle(image,&source) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
if (ReadRectangle(image,&destination) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
(void) ReadBlobMSBShort(image);
if ((code == 0x91) || (code == 0x99) || (code == 0x9b))
{
/*
Skip region.
*/
length=ReadBlobMSBShort(image);
for (i=0; i < (ssize_t) (length-2); i++)
if (ReadBlobByte(image) == EOF)
break;
}
if ((code != 0x9a) && (code != 0x9b) &&
(bytes_per_line & 0x8000) == 0)
pixels=DecodeImage(image,tile_image,(size_t) bytes_per_line,1,
&extent);
else
pixels=DecodeImage(image,tile_image,(size_t) bytes_per_line,
(unsigned int) pixmap.bits_per_pixel,&extent);
if (pixels == (unsigned char *) NULL)
ThrowPICTException(CorruptImageError,"UnableToUncompressImage");
/*
Convert PICT tile image to pixel packets.
*/
p=pixels;
for (y=0; y < (ssize_t) tile_image->rows; y++)
{
if (p > (pixels+extent+image->columns))
{
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
ThrowPICTException(CorruptImageError,"NotEnoughPixelData");
}
q=QueueAuthenticPixels(tile_image,0,y,tile_image->columns,1,
exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) tile_image->columns; x++)
{
if (tile_image->storage_class == PseudoClass)
{
index=(Quantum) ConstrainColormapIndex(tile_image,(ssize_t)
*p,exception);
SetPixelIndex(tile_image,index,q);
SetPixelRed(tile_image,
tile_image->colormap[(ssize_t) index].red,q);
SetPixelGreen(tile_image,
tile_image->colormap[(ssize_t) index].green,q);
SetPixelBlue(tile_image,
tile_image->colormap[(ssize_t) index].blue,q);
}
else
{
if (pixmap.bits_per_pixel == 16)
{
i=(ssize_t) (*p++);
j=(size_t) (*p);
SetPixelRed(tile_image,ScaleCharToQuantum(
(unsigned char) ((i & 0x7c) << 1)),q);
SetPixelGreen(tile_image,ScaleCharToQuantum(
(unsigned char) (((i & 0x03) << 6) |
((j & 0xe0) >> 2))),q);
SetPixelBlue(tile_image,ScaleCharToQuantum(
(unsigned char) ((j & 0x1f) << 3)),q);
}
else
if (tile_image->alpha_trait == UndefinedPixelTrait)
{
if (p > (pixels+extent+2*image->columns))
ThrowPICTException(CorruptImageError,
"NotEnoughPixelData");
SetPixelRed(tile_image,ScaleCharToQuantum(*p),q);
SetPixelGreen(tile_image,ScaleCharToQuantum(
*(p+tile_image->columns)),q);
SetPixelBlue(tile_image,ScaleCharToQuantum(
*(p+2*tile_image->columns)),q);
}
else
{
if (p > (pixels+extent+3*image->columns))
ThrowPICTException(CorruptImageError,
"NotEnoughPixelData");
SetPixelAlpha(tile_image,ScaleCharToQuantum(*p),q);
SetPixelRed(tile_image,ScaleCharToQuantum(
*(p+tile_image->columns)),q);
SetPixelGreen(tile_image,ScaleCharToQuantum(
*(p+2*tile_image->columns)),q);
SetPixelBlue(tile_image,ScaleCharToQuantum(
*(p+3*tile_image->columns)),q);
}
}
p++;
q+=GetPixelChannels(tile_image);
}
if (SyncAuthenticPixels(tile_image,exception) == MagickFalse)
break;
if ((tile_image->storage_class == DirectClass) &&
(pixmap.bits_per_pixel != 16))
{
p+=(pixmap.component_count-1)*tile_image->columns;
if (p < pixels)
break;
}
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
tile_image->rows);
if (status == MagickFalse)
break;
}
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if ((jpeg == MagickFalse) && (EOFBlob(image) == MagickFalse))
if ((code == 0x9a) || (code == 0x9b) ||
((bytes_per_line & 0x8000) != 0))
(void) CompositeImage(image,tile_image,CopyCompositeOp,
MagickTrue,(ssize_t) destination.left,(ssize_t)
destination.top,exception);
tile_image=DestroyImage(tile_image);
break;
}
case 0xa1:
{
unsigned char
*info;
size_t
type;
/*
Comment.
*/
type=ReadBlobMSBShort(image);
length=ReadBlobMSBShort(image);
if (length == 0)
break;
(void) ReadBlobMSBLong(image);
length-=MagickMin(length,4);
if (length == 0)
break;
info=(unsigned char *) AcquireQuantumMemory(length,sizeof(*info));
if (info == (unsigned char *) NULL)
break;
count=ReadBlob(image,length,info);
if (count != (ssize_t) length)
{
info=(unsigned char *) RelinquishMagickMemory(info);
ThrowPICTException(ResourceLimitError,"UnableToReadImageData");
}
switch (type)
{
case 0xe0:
{
profile=BlobToStringInfo((const void *) NULL,length);
SetStringInfoDatum(profile,info);
status=SetImageProfile(image,"icc",profile,exception);
profile=DestroyStringInfo(profile);
if (status == MagickFalse)
{
info=(unsigned char *) RelinquishMagickMemory(info);
ThrowPICTException(ResourceLimitError,
"MemoryAllocationFailed");
}
break;
}
case 0x1f2:
{
profile=BlobToStringInfo((const void *) NULL,length);
SetStringInfoDatum(profile,info);
status=SetImageProfile(image,"iptc",profile,exception);
if (status == MagickFalse)
{
info=(unsigned char *) RelinquishMagickMemory(info);
ThrowPICTException(ResourceLimitError,
"MemoryAllocationFailed");
}
profile=DestroyStringInfo(profile);
break;
}
default:
break;
}
info=(unsigned char *) RelinquishMagickMemory(info);
break;
}
default:
{
/*
Skip to next op code.
*/
if (codes[code].length == -1)
(void) ReadBlobMSBShort(image);
else
for (i=0; i < (ssize_t) codes[code].length; i++)
if (ReadBlobByte(image) == EOF)
break;
}
}
}
if (code == 0xc00)
{
/*
Skip header.
*/
for (i=0; i < 24; i++)
if (ReadBlobByte(image) == EOF)
break;
continue;
}
if (((code >= 0xb0) && (code <= 0xcf)) ||
((code >= 0x8000) && (code <= 0x80ff)))
continue;
if (code == 0x8200)
{
char
filename[MaxTextExtent];
FILE
*file;
int
unique_file;
/*
Embedded JPEG.
*/
jpeg=MagickTrue;
read_info=CloneImageInfo(image_info);
SetImageInfoBlob(read_info,(void *) NULL,0);
file=(FILE *) NULL;
unique_file=AcquireUniqueFileResource(filename);
(void) FormatLocaleString(read_info->filename,MaxTextExtent,"jpeg:%s",
filename);
if (unique_file != -1)
file=fdopen(unique_file,"wb");
if ((unique_file == -1) || (file == (FILE *) NULL))
{
(void) RelinquishUniqueFileResource(read_info->filename);
(void) CopyMagickString(image->filename,read_info->filename,
MagickPathExtent);
ThrowPICTException(FileOpenError,"UnableToCreateTemporaryFile");
}
length=ReadBlobMSBLong(image);
if (length > 154)
{
for (i=0; i < 6; i++)
(void) ReadBlobMSBLong(image);
if (ReadRectangle(image,&frame) == MagickFalse)
{
(void) fclose(file);
(void) RelinquishUniqueFileResource(read_info->filename);
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
}
for (i=0; i < 122; i++)
if (ReadBlobByte(image) == EOF)
break;
for (i=0; i < (ssize_t) (length-154); i++)
{
c=ReadBlobByte(image);
if (c == EOF)
break;
if (fputc(c,file) != c)
break;
}
}
(void) fclose(file);
(void) close(unique_file);
tile_image=ReadImage(read_info,exception);
(void) RelinquishUniqueFileResource(filename);
read_info=DestroyImageInfo(read_info);
if (tile_image == (Image *) NULL)
continue;
(void) FormatLocaleString(geometry,MagickPathExtent,"%.20gx%.20g",
(double) MagickMax(image->columns,tile_image->columns),
(double) MagickMax(image->rows,tile_image->rows));
(void) SetImageExtent(image,
MagickMax(image->columns,tile_image->columns),
MagickMax(image->rows,tile_image->rows),exception);
(void) TransformImageColorspace(image,tile_image->colorspace,exception);
(void) CompositeImage(image,tile_image,CopyCompositeOp,MagickTrue,
(ssize_t) frame.left,(ssize_t) frame.right,exception);
image->compression=tile_image->compression;
tile_image=DestroyImage(tile_image);
continue;
}
if ((code == 0xff) || (code == 0xffff))
break;
if (((code >= 0xd0) && (code <= 0xfe)) ||
((code >= 0x8100) && (code <= 0xffff)))
{
/*
Skip reserved.
*/
length=ReadBlobMSBShort(image);
for (i=0; i < (ssize_t) length; i++)
if (ReadBlobByte(image) == EOF)
break;
continue;
}
if ((code >= 0x100) && (code <= 0x7fff))
{
/*
Skip reserved.
*/
length=(size_t) ((code >> 7) & 0xff);
for (i=0; i < (ssize_t) length; i++)
if (ReadBlobByte(image) == EOF)
break;
continue;
}
}
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
|
CWE-20
| 182,209 | 3,553 |
268226971198431452737692946302230908525
| null | null | null |
ImageMagick
|
6b6bff054d569a77973f2140c0e86366e6168a6c
| 1 |
static Image *ReadCALSImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
char
filename[MagickPathExtent],
header[MagickPathExtent],
message[MagickPathExtent];
FILE
*file;
Image
*image;
ImageInfo
*read_info;
int
c,
unique_file;
MagickBooleanType
status;
register ssize_t
i;
unsigned long
density,
direction,
height,
orientation,
pel_path,
type,
width;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Read CALS header.
*/
(void) memset(header,0,sizeof(header));
density=0;
direction=0;
orientation=1;
pel_path=0;
type=1;
width=0;
height=0;
for (i=0; i < 16; i++)
{
if (ReadBlob(image,128,(unsigned char *) header) != 128)
break;
switch (*header)
{
case 'R':
case 'r':
{
if (LocaleNCompare(header,"rdensty:",8) == 0)
{
(void) sscanf(header+8,"%lu",&density);
break;
}
if (LocaleNCompare(header,"rpelcnt:",8) == 0)
{
(void) sscanf(header+8,"%lu,%lu",&width,&height);
break;
}
if (LocaleNCompare(header,"rorient:",8) == 0)
{
(void) sscanf(header+8,"%lu,%lu",&pel_path,&direction);
if (pel_path == 90)
orientation=5;
else
if (pel_path == 180)
orientation=3;
else
if (pel_path == 270)
orientation=7;
if (direction == 90)
orientation++;
break;
}
if (LocaleNCompare(header,"rtype:",6) == 0)
{
(void) sscanf(header+6,"%lu",&type);
break;
}
break;
}
}
}
/*
Read CALS pixels.
*/
file=(FILE *) NULL;
unique_file=AcquireUniqueFileResource(filename);
if (unique_file != -1)
file=fdopen(unique_file,"wb");
if ((unique_file == -1) || (file == (FILE *) NULL))
ThrowImageException(FileOpenError,"UnableToCreateTemporaryFile");
while ((c=ReadBlobByte(image)) != EOF)
(void) fputc(c,file);
(void) fclose(file);
(void) CloseBlob(image);
image=DestroyImage(image);
read_info=CloneImageInfo(image_info);
SetImageInfoBlob(read_info,(void *) NULL,0);
(void) FormatLocaleString(read_info->filename,MagickPathExtent,"group4:%s",
filename);
(void) FormatLocaleString(message,MagickPathExtent,"%lux%lu",width,height);
(void) CloneString(&read_info->size,message);
(void) FormatLocaleString(message,MagickPathExtent,"%lu",density);
(void) CloneString(&read_info->density,message);
read_info->orientation=(OrientationType) orientation;
image=ReadImage(read_info,exception);
if (image != (Image *) NULL)
{
(void) CopyMagickString(image->filename,image_info->filename,
MagickPathExtent);
(void) CopyMagickString(image->magick_filename,image_info->filename,
MagickPathExtent);
(void) CopyMagickString(image->magick,"CALS",MagickPathExtent);
}
read_info=DestroyImageInfo(read_info);
(void) RelinquishUniqueFileResource(filename);
return(image);
}
|
CWE-20
| 182,210 | 3,554 |
230963622459541920332682802776028331506
| null | null | null |
ImageMagick
|
6b6bff054d569a77973f2140c0e86366e6168a6c
| 1 |
static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
#define ThrowDCMException(exception,message) \
{ \
if (info.scale != (Quantum *) NULL) \
info.scale=(Quantum *) RelinquishMagickMemory(info.scale); \
if (data != (unsigned char *) NULL) \
data=(unsigned char *) RelinquishMagickMemory(data); \
if (graymap != (int *) NULL) \
graymap=(int *) RelinquishMagickMemory(graymap); \
if (bluemap != (int *) NULL) \
bluemap=(int *) RelinquishMagickMemory(bluemap); \
if (greenmap != (int *) NULL) \
greenmap=(int *) RelinquishMagickMemory(greenmap); \
if (redmap != (int *) NULL) \
redmap=(int *) RelinquishMagickMemory(redmap); \
if (stream_info->offsets != (ssize_t *) NULL) \
stream_info->offsets=(ssize_t *) RelinquishMagickMemory( \
stream_info->offsets); \
if (stream_info != (DCMStreamInfo *) NULL) \
stream_info=(DCMStreamInfo *) RelinquishMagickMemory(stream_info); \
ThrowReaderException((exception),(message)); \
}
char
explicit_vr[MagickPathExtent],
implicit_vr[MagickPathExtent],
magick[MagickPathExtent],
photometric[MagickPathExtent];
DCMInfo
info;
DCMStreamInfo
*stream_info;
Image
*image;
int
*bluemap,
datum,
*greenmap,
*graymap,
*redmap;
MagickBooleanType
explicit_file,
explicit_retry,
use_explicit;
MagickOffsetType
offset;
register unsigned char
*p;
register ssize_t
i;
size_t
colors,
height,
length,
number_scenes,
quantum,
status,
width;
ssize_t
count,
scene;
unsigned char
*data;
unsigned short
group,
element;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image->depth=8UL;
image->endian=LSBEndian;
/*
Read DCM preamble.
*/
(void) memset(&info,0,sizeof(info));
data=(unsigned char *) NULL;
graymap=(int *) NULL;
redmap=(int *) NULL;
greenmap=(int *) NULL;
bluemap=(int *) NULL;
stream_info=(DCMStreamInfo *) AcquireMagickMemory(sizeof(*stream_info));
if (stream_info == (DCMStreamInfo *) NULL)
ThrowDCMException(ResourceLimitError,"MemoryAllocationFailed");
(void) memset(stream_info,0,sizeof(*stream_info));
count=ReadBlob(image,128,(unsigned char *) magick);
if (count != 128)
ThrowDCMException(CorruptImageError,"ImproperImageHeader");
count=ReadBlob(image,4,(unsigned char *) magick);
if ((count != 4) || (LocaleNCompare(magick,"DICM",4) != 0))
{
offset=SeekBlob(image,0L,SEEK_SET);
if (offset < 0)
ThrowDCMException(CorruptImageError,"ImproperImageHeader");
}
/*
Read DCM Medical image.
*/
(void) CopyMagickString(photometric,"MONOCHROME1 ",MagickPathExtent);
info.bits_allocated=8;
info.bytes_per_pixel=1;
info.depth=8;
info.mask=0xffff;
info.max_value=255UL;
info.samples_per_pixel=1;
info.signed_data=(~0UL);
info.rescale_slope=1.0;
data=(unsigned char *) NULL;
element=0;
explicit_vr[2]='\0';
explicit_file=MagickFalse;
colors=0;
redmap=(int *) NULL;
greenmap=(int *) NULL;
bluemap=(int *) NULL;
graymap=(int *) NULL;
height=0;
number_scenes=1;
use_explicit=MagickFalse;
explicit_retry = MagickFalse;
width=0;
while (TellBlob(image) < (MagickOffsetType) GetBlobSize(image))
{
for (group=0; (group != 0x7FE0) || (element != 0x0010) ; )
{
/*
Read a group.
*/
image->offset=(ssize_t) TellBlob(image);
group=ReadBlobLSBShort(image);
element=ReadBlobLSBShort(image);
if ((group == 0xfffc) && (element == 0xfffc))
break;
if ((group != 0x0002) && (image->endian == MSBEndian))
{
group=(unsigned short) ((group << 8) | ((group >> 8) & 0xFF));
element=(unsigned short) ((element << 8) | ((element >> 8) & 0xFF));
}
quantum=0;
/*
Find corresponding VR for this group and element.
*/
for (i=0; dicom_info[i].group < 0xffff; i++)
if ((group == dicom_info[i].group) &&
(element == dicom_info[i].element))
break;
(void) CopyMagickString(implicit_vr,dicom_info[i].vr,MagickPathExtent);
count=ReadBlob(image,2,(unsigned char *) explicit_vr);
if (count != 2)
ThrowDCMException(CorruptImageError,"ImproperImageHeader");
/*
Check for "explicitness", but meta-file headers always explicit.
*/
if ((explicit_file == MagickFalse) && (group != 0x0002))
explicit_file=(isupper((unsigned char) *explicit_vr) != MagickFalse) &&
(isupper((unsigned char) *(explicit_vr+1)) != MagickFalse) ?
MagickTrue : MagickFalse;
use_explicit=((group == 0x0002) && (explicit_retry == MagickFalse)) ||
(explicit_file != MagickFalse) ? MagickTrue : MagickFalse;
if ((use_explicit != MagickFalse) && (strncmp(implicit_vr,"xs",2) == 0))
(void) CopyMagickString(implicit_vr,explicit_vr,MagickPathExtent);
if ((use_explicit == MagickFalse) || (strncmp(implicit_vr,"!!",2) == 0))
{
offset=SeekBlob(image,(MagickOffsetType) -2,SEEK_CUR);
if (offset < 0)
ThrowDCMException(CorruptImageError,"ImproperImageHeader");
quantum=4;
}
else
{
/*
Assume explicit type.
*/
quantum=2;
if ((strncmp(explicit_vr,"OB",2) == 0) ||
(strncmp(explicit_vr,"UN",2) == 0) ||
(strncmp(explicit_vr,"OW",2) == 0) ||
(strncmp(explicit_vr,"SQ",2) == 0))
{
(void) ReadBlobLSBShort(image);
quantum=4;
}
}
datum=0;
if (quantum == 4)
{
if (group == 0x0002)
datum=ReadBlobLSBSignedLong(image);
else
datum=ReadBlobSignedLong(image);
}
else
if (quantum == 2)
{
if (group == 0x0002)
datum=ReadBlobLSBSignedShort(image);
else
datum=ReadBlobSignedShort(image);
}
quantum=0;
length=1;
if (datum != 0)
{
if ((strncmp(implicit_vr,"OW",2) == 0) ||
(strncmp(implicit_vr,"SS",2) == 0) ||
(strncmp(implicit_vr,"US",2) == 0))
quantum=2;
else
if ((strncmp(implicit_vr,"FL",2) == 0) ||
(strncmp(implicit_vr,"OF",2) == 0) ||
(strncmp(implicit_vr,"SL",2) == 0) ||
(strncmp(implicit_vr,"UL",2) == 0))
quantum=4;
else
if (strncmp(implicit_vr,"FD",2) == 0)
quantum=8;
else
quantum=1;
if (datum != ~0)
length=(size_t) datum/quantum;
else
{
/*
Sequence and item of undefined length.
*/
quantum=0;
length=0;
}
}
if (image_info->verbose != MagickFalse)
{
/*
Display Dicom info.
*/
if (use_explicit == MagickFalse)
explicit_vr[0]='\0';
for (i=0; dicom_info[i].description != (char *) NULL; i++)
if ((group == dicom_info[i].group) &&
(element == dicom_info[i].element))
break;
(void) FormatLocaleFile(stdout,"0x%04lX %4ld %s-%s (0x%04lx,0x%04lx)",
(unsigned long) image->offset,(long) length,implicit_vr,explicit_vr,
(unsigned long) group,(unsigned long) element);
if (dicom_info[i].description != (char *) NULL)
(void) FormatLocaleFile(stdout," %s",dicom_info[i].description);
(void) FormatLocaleFile(stdout,": ");
}
if ((group == 0x7FE0) && (element == 0x0010))
{
if (image_info->verbose != MagickFalse)
(void) FormatLocaleFile(stdout,"\n");
break;
}
/*
Allocate space and read an array.
*/
data=(unsigned char *) NULL;
if ((length == 1) && (quantum == 1))
datum=ReadBlobByte(image);
else
if ((length == 1) && (quantum == 2))
{
if (group == 0x0002)
datum=ReadBlobLSBSignedShort(image);
else
datum=ReadBlobSignedShort(image);
}
else
if ((length == 1) && (quantum == 4))
{
if (group == 0x0002)
datum=ReadBlobLSBSignedLong(image);
else
datum=ReadBlobSignedLong(image);
}
else
if ((quantum != 0) && (length != 0))
{
if (length > (size_t) GetBlobSize(image))
ThrowDCMException(CorruptImageError,
"InsufficientImageDataInFile");
if (~length >= 1)
data=(unsigned char *) AcquireQuantumMemory(length+1,quantum*
sizeof(*data));
if (data == (unsigned char *) NULL)
ThrowDCMException(ResourceLimitError,
"MemoryAllocationFailed");
count=ReadBlob(image,(size_t) quantum*length,data);
if (count != (ssize_t) (quantum*length))
{
if (image_info->verbose != MagickFalse)
(void) FormatLocaleFile(stdout,"count=%d quantum=%d "
"length=%d group=%d\n",(int) count,(int) quantum,(int)
length,(int) group);
ThrowDCMException(CorruptImageError,
"InsufficientImageDataInFile");
}
data[length*quantum]='\0';
}
if ((((unsigned int) group << 16) | element) == 0xFFFEE0DD)
{
if (data != (unsigned char *) NULL)
data=(unsigned char *) RelinquishMagickMemory(data);
continue;
}
switch (group)
{
case 0x0002:
{
switch (element)
{
case 0x0010:
{
char
transfer_syntax[MagickPathExtent];
/*
Transfer Syntax.
*/
if ((datum == 0) && (explicit_retry == MagickFalse))
{
explicit_retry=MagickTrue;
(void) SeekBlob(image,(MagickOffsetType) 0,SEEK_SET);
group=0;
element=0;
if (image_info->verbose != MagickFalse)
(void) FormatLocaleFile(stdout,
"Corrupted image - trying explicit format\n");
break;
}
*transfer_syntax='\0';
if (data != (unsigned char *) NULL)
(void) CopyMagickString(transfer_syntax,(char *) data,
MagickPathExtent);
if (image_info->verbose != MagickFalse)
(void) FormatLocaleFile(stdout,"transfer_syntax=%s\n",
(const char *) transfer_syntax);
if (strncmp(transfer_syntax,"1.2.840.10008.1.2",17) == 0)
{
int
subtype,
type;
type=1;
subtype=0;
if (strlen(transfer_syntax) > 17)
{
count=(ssize_t) sscanf(transfer_syntax+17,".%d.%d",&type,
&subtype);
if (count < 1)
ThrowDCMException(CorruptImageError,
"ImproperImageHeader");
}
switch (type)
{
case 1:
{
image->endian=LSBEndian;
break;
}
case 2:
{
image->endian=MSBEndian;
break;
}
case 4:
{
if ((subtype >= 80) && (subtype <= 81))
image->compression=JPEGCompression;
else
if ((subtype >= 90) && (subtype <= 93))
image->compression=JPEG2000Compression;
else
image->compression=JPEGCompression;
break;
}
case 5:
{
image->compression=RLECompression;
break;
}
}
}
break;
}
default:
break;
}
break;
}
case 0x0028:
{
switch (element)
{
case 0x0002:
{
/*
Samples per pixel.
*/
info.samples_per_pixel=(size_t) datum;
if ((info.samples_per_pixel == 0) || (info.samples_per_pixel > 4))
ThrowDCMException(CorruptImageError,"ImproperImageHeader");
break;
}
case 0x0004:
{
/*
Photometric interpretation.
*/
if (data == (unsigned char *) NULL)
break;
for (i=0; i < (ssize_t) MagickMin(length,MagickPathExtent-1); i++)
photometric[i]=(char) data[i];
photometric[i]='\0';
info.polarity=LocaleCompare(photometric,"MONOCHROME1 ") == 0 ?
MagickTrue : MagickFalse;
break;
}
case 0x0006:
{
/*
Planar configuration.
*/
if (datum == 1)
image->interlace=PlaneInterlace;
break;
}
case 0x0008:
{
/*
Number of frames.
*/
if (data == (unsigned char *) NULL)
break;
number_scenes=StringToUnsignedLong((char *) data);
break;
}
case 0x0010:
{
/*
Image rows.
*/
height=(size_t) datum;
break;
}
case 0x0011:
{
/*
Image columns.
*/
width=(size_t) datum;
break;
}
case 0x0100:
{
/*
Bits allocated.
*/
info.bits_allocated=(size_t) datum;
info.bytes_per_pixel=1;
if (datum > 8)
info.bytes_per_pixel=2;
info.depth=info.bits_allocated;
if ((info.depth == 0) || (info.depth > 32))
ThrowDCMException(CorruptImageError,"ImproperImageHeader");
info.max_value=(1UL << info.bits_allocated)-1;
image->depth=info.depth;
break;
}
case 0x0101:
{
/*
Bits stored.
*/
info.significant_bits=(size_t) datum;
info.bytes_per_pixel=1;
if (info.significant_bits > 8)
info.bytes_per_pixel=2;
info.depth=info.significant_bits;
if ((info.depth == 0) || (info.depth > 16))
ThrowDCMException(CorruptImageError,"ImproperImageHeader");
info.max_value=(1UL << info.significant_bits)-1;
info.mask=(size_t) GetQuantumRange(info.significant_bits);
image->depth=info.depth;
break;
}
case 0x0102:
{
/*
High bit.
*/
break;
}
case 0x0103:
{
/*
Pixel representation.
*/
info.signed_data=(size_t) datum;
break;
}
case 0x1050:
{
/*
Visible pixel range: center.
*/
if (data != (unsigned char *) NULL)
info.window_center=StringToDouble((char *) data,(char **) NULL);
break;
}
case 0x1051:
{
/*
Visible pixel range: width.
*/
if (data != (unsigned char *) NULL)
info.window_width=StringToDouble((char *) data,(char **) NULL);
break;
}
case 0x1052:
{
/*
Rescale intercept
*/
if (data != (unsigned char *) NULL)
info.rescale_intercept=StringToDouble((char *) data,
(char **) NULL);
break;
}
case 0x1053:
{
/*
Rescale slope
*/
if (data != (unsigned char *) NULL)
info.rescale_slope=StringToDouble((char *) data,(char **) NULL);
break;
}
case 0x1200:
case 0x3006:
{
/*
Populate graymap.
*/
if (data == (unsigned char *) NULL)
break;
colors=(size_t) (length/info.bytes_per_pixel);
datum=(int) colors;
if (graymap != (int *) NULL)
graymap=(int *) RelinquishMagickMemory(graymap);
graymap=(int *) AcquireQuantumMemory(MagickMax(colors,65536),
sizeof(*graymap));
if (graymap == (int *) NULL)
ThrowDCMException(ResourceLimitError,"MemoryAllocationFailed");
(void) memset(graymap,0,MagickMax(colors,65536)*
sizeof(*graymap));
for (i=0; i < (ssize_t) colors; i++)
if (info.bytes_per_pixel == 1)
graymap[i]=(int) data[i];
else
graymap[i]=(int) ((short *) data)[i];
break;
}
case 0x1201:
{
unsigned short
index;
/*
Populate redmap.
*/
if (data == (unsigned char *) NULL)
break;
colors=(size_t) (length/2);
datum=(int) colors;
if (redmap != (int *) NULL)
redmap=(int *) RelinquishMagickMemory(redmap);
redmap=(int *) AcquireQuantumMemory(MagickMax(colors,65536),
sizeof(*redmap));
if (redmap == (int *) NULL)
ThrowDCMException(ResourceLimitError,"MemoryAllocationFailed");
(void) memset(redmap,0,MagickMax(colors,65536)*
sizeof(*redmap));
p=data;
for (i=0; i < (ssize_t) colors; i++)
{
if (image->endian == MSBEndian)
index=(unsigned short) ((*p << 8) | *(p+1));
else
index=(unsigned short) (*p | (*(p+1) << 8));
redmap[i]=(int) index;
p+=2;
}
break;
}
case 0x1202:
{
unsigned short
index;
/*
Populate greenmap.
*/
if (data == (unsigned char *) NULL)
break;
colors=(size_t) (length/2);
datum=(int) colors;
if (greenmap != (int *) NULL)
greenmap=(int *) RelinquishMagickMemory(greenmap);
greenmap=(int *) AcquireQuantumMemory(MagickMax(colors,65536),
sizeof(*greenmap));
if (greenmap == (int *) NULL)
ThrowDCMException(ResourceLimitError,"MemoryAllocationFailed");
(void) memset(greenmap,0,MagickMax(colors,65536)*
sizeof(*greenmap));
p=data;
for (i=0; i < (ssize_t) colors; i++)
{
if (image->endian == MSBEndian)
index=(unsigned short) ((*p << 8) | *(p+1));
else
index=(unsigned short) (*p | (*(p+1) << 8));
greenmap[i]=(int) index;
p+=2;
}
break;
}
case 0x1203:
{
unsigned short
index;
/*
Populate bluemap.
*/
if (data == (unsigned char *) NULL)
break;
colors=(size_t) (length/2);
datum=(int) colors;
if (bluemap != (int *) NULL)
bluemap=(int *) RelinquishMagickMemory(bluemap);
bluemap=(int *) AcquireQuantumMemory(MagickMax(colors,65536),
sizeof(*bluemap));
if (bluemap == (int *) NULL)
ThrowDCMException(ResourceLimitError,"MemoryAllocationFailed");
(void) memset(bluemap,0,MagickMax(colors,65536)*
sizeof(*bluemap));
p=data;
for (i=0; i < (ssize_t) colors; i++)
{
if (image->endian == MSBEndian)
index=(unsigned short) ((*p << 8) | *(p+1));
else
index=(unsigned short) (*p | (*(p+1) << 8));
bluemap[i]=(int) index;
p+=2;
}
break;
}
default:
break;
}
break;
}
case 0x2050:
{
switch (element)
{
case 0x0020:
{
if ((data != (unsigned char *) NULL) &&
(strncmp((char *) data,"INVERSE",7) == 0))
info.polarity=MagickTrue;
break;
}
default:
break;
}
break;
}
default:
break;
}
if (data != (unsigned char *) NULL)
{
char
*attribute;
for (i=0; dicom_info[i].description != (char *) NULL; i++)
if ((group == dicom_info[i].group) &&
(element == dicom_info[i].element))
break;
if (dicom_info[i].description != (char *) NULL)
{
attribute=AcquireString("dcm:");
(void) ConcatenateString(&attribute,dicom_info[i].description);
for (i=0; i < (ssize_t) MagickMax(length,4); i++)
if (isprint((int) data[i]) == MagickFalse)
break;
if ((i == (ssize_t) length) || (length > 4))
{
(void) SubstituteString(&attribute," ","");
(void) SetImageProperty(image,attribute,(char *) data,
exception);
}
attribute=DestroyString(attribute);
}
}
if (image_info->verbose != MagickFalse)
{
if (data == (unsigned char *) NULL)
(void) FormatLocaleFile(stdout,"%d\n",datum);
else
{
/*
Display group data.
*/
for (i=0; i < (ssize_t) MagickMax(length,4); i++)
if (isprint((int) data[i]) == MagickFalse)
break;
if ((i != (ssize_t) length) && (length <= 4))
{
ssize_t
j;
datum=0;
for (j=(ssize_t) length-1; j >= 0; j--)
datum=(256*datum+data[j]);
(void) FormatLocaleFile(stdout,"%d",datum);
}
else
for (i=0; i < (ssize_t) length; i++)
if (isprint((int) data[i]) != MagickFalse)
(void) FormatLocaleFile(stdout,"%c",data[i]);
else
(void) FormatLocaleFile(stdout,"%c",'.');
(void) FormatLocaleFile(stdout,"\n");
}
}
if (data != (unsigned char *) NULL)
data=(unsigned char *) RelinquishMagickMemory(data);
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
}
if ((group == 0xfffc) && (element == 0xfffc))
{
Image
*last;
last=RemoveLastImageFromList(&image);
if (last != (Image *) NULL)
last=DestroyImage(last);
break;
}
if ((width == 0) || (height == 0))
ThrowDCMException(CorruptImageError,"ImproperImageHeader");
image->columns=(size_t) width;
image->rows=(size_t) height;
if (info.signed_data == 0xffff)
info.signed_data=(size_t) (info.significant_bits == 16 ? 1 : 0);
if ((image->compression == JPEGCompression) ||
(image->compression == JPEG2000Compression))
{
Image
*images;
ImageInfo
*read_info;
int
c;
/*
Read offset table.
*/
for (i=0; i < (ssize_t) stream_info->remaining; i++)
if (ReadBlobByte(image) == EOF)
break;
(void) (((ssize_t) ReadBlobLSBShort(image) << 16) |
ReadBlobLSBShort(image));
length=(size_t) ReadBlobLSBLong(image);
if (length > (size_t) GetBlobSize(image))
ThrowDCMException(CorruptImageError,"InsufficientImageDataInFile");
stream_info->offset_count=length >> 2;
if (stream_info->offset_count != 0)
{
if (stream_info->offsets != (ssize_t *) NULL)
stream_info->offsets=(ssize_t *) RelinquishMagickMemory(
stream_info->offsets);
stream_info->offsets=(ssize_t *) AcquireQuantumMemory(
stream_info->offset_count,sizeof(*stream_info->offsets));
if (stream_info->offsets == (ssize_t *) NULL)
ThrowDCMException(ResourceLimitError,"MemoryAllocationFailed");
for (i=0; i < (ssize_t) stream_info->offset_count; i++)
stream_info->offsets[i]=(ssize_t) ReadBlobLSBSignedLong(image);
offset=TellBlob(image);
for (i=0; i < (ssize_t) stream_info->offset_count; i++)
stream_info->offsets[i]+=offset;
}
/*
Handle non-native image formats.
*/
read_info=CloneImageInfo(image_info);
SetImageInfoBlob(read_info,(void *) NULL,0);
images=NewImageList();
for (scene=0; scene < (ssize_t) number_scenes; scene++)
{
char
filename[MagickPathExtent];
const char
*property;
FILE
*file;
Image
*jpeg_image;
int
unique_file;
unsigned int
tag;
tag=((unsigned int) ReadBlobLSBShort(image) << 16) |
ReadBlobLSBShort(image);
length=(size_t) ReadBlobLSBLong(image);
if (tag == 0xFFFEE0DD)
break; /* sequence delimiter tag */
if (tag != 0xFFFEE000)
{
read_info=DestroyImageInfo(read_info);
ThrowDCMException(CorruptImageError,"ImproperImageHeader");
}
file=(FILE *) NULL;
unique_file=AcquireUniqueFileResource(filename);
if (unique_file != -1)
file=fdopen(unique_file,"wb");
if (file == (FILE *) NULL)
{
(void) RelinquishUniqueFileResource(filename);
ThrowFileException(exception,FileOpenError,
"UnableToCreateTemporaryFile",filename);
break;
}
for (c=EOF; length != 0; length--)
{
c=ReadBlobByte(image);
if (c == EOF)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
(void) fputc(c,file);
}
(void) fclose(file);
if (c == EOF)
break;
(void) FormatLocaleString(read_info->filename,MagickPathExtent,
"jpeg:%s",filename);
if (image->compression == JPEG2000Compression)
(void) FormatLocaleString(read_info->filename,MagickPathExtent,
"j2k:%s",filename);
jpeg_image=ReadImage(read_info,exception);
if (jpeg_image != (Image *) NULL)
{
ResetImagePropertyIterator(image);
property=GetNextImageProperty(image);
while (property != (const char *) NULL)
{
(void) SetImageProperty(jpeg_image,property,
GetImageProperty(image,property,exception),exception);
property=GetNextImageProperty(image);
}
AppendImageToList(&images,jpeg_image);
}
(void) RelinquishUniqueFileResource(filename);
}
read_info=DestroyImageInfo(read_info);
if (stream_info->offsets != (ssize_t *) NULL)
stream_info->offsets=(ssize_t *)
RelinquishMagickMemory(stream_info->offsets);
stream_info=(DCMStreamInfo *) RelinquishMagickMemory(stream_info);
if (info.scale != (Quantum *) NULL)
info.scale=(Quantum *) RelinquishMagickMemory(info.scale);
if (graymap != (int *) NULL)
graymap=(int *) RelinquishMagickMemory(graymap);
if (bluemap != (int *) NULL)
bluemap=(int *) RelinquishMagickMemory(bluemap);
if (greenmap != (int *) NULL)
greenmap=(int *) RelinquishMagickMemory(greenmap);
if (redmap != (int *) NULL)
redmap=(int *) RelinquishMagickMemory(redmap);
image=DestroyImageList(image);
return(GetFirstImageInList(images));
}
if (info.depth != (1UL*MAGICKCORE_QUANTUM_DEPTH))
{
QuantumAny
range;
/*
Compute pixel scaling table.
*/
length=(size_t) (GetQuantumRange(info.depth)+1);
if (length > (size_t) GetBlobSize(image))
ThrowDCMException(CorruptImageError,"InsufficientImageDataInFile");
if (info.scale != (Quantum *) NULL)
info.scale=(Quantum *) RelinquishMagickMemory(info.scale);
info.scale=(Quantum *) AcquireQuantumMemory(MagickMax(length,256),
sizeof(*info.scale));
if (info.scale == (Quantum *) NULL)
ThrowDCMException(ResourceLimitError,"MemoryAllocationFailed");
(void) memset(info.scale,0,MagickMax(length,256)*
sizeof(*info.scale));
range=GetQuantumRange(info.depth);
for (i=0; i <= (ssize_t) GetQuantumRange(info.depth); i++)
info.scale[i]=ScaleAnyToQuantum((size_t) i,range);
}
if (image->compression == RLECompression)
{
unsigned int
tag;
/*
Read RLE offset table.
*/
for (i=0; i < (ssize_t) stream_info->remaining; i++)
{
int
c;
c=ReadBlobByte(image);
if (c == EOF)
break;
}
tag=((unsigned int) ReadBlobLSBShort(image) << 16) |
ReadBlobLSBShort(image);
(void) tag;
length=(size_t) ReadBlobLSBLong(image);
if (length > (size_t) GetBlobSize(image))
ThrowDCMException(CorruptImageError,"InsufficientImageDataInFile");
stream_info->offset_count=length >> 2;
if (stream_info->offset_count != 0)
{
stream_info->offsets=(ssize_t *) AcquireQuantumMemory(
stream_info->offset_count,sizeof(*stream_info->offsets));
if (stream_info->offsets == (ssize_t *) NULL)
ThrowDCMException(ResourceLimitError,"MemoryAllocationFailed");
for (i=0; i < (ssize_t) stream_info->offset_count; i++)
{
stream_info->offsets[i]=(ssize_t) ReadBlobLSBSignedLong(image);
if (EOFBlob(image) != MagickFalse)
break;
}
offset=TellBlob(image)+8;
for (i=0; i < (ssize_t) stream_info->offset_count; i++)
stream_info->offsets[i]+=offset;
}
}
for (scene=0; scene < (ssize_t) number_scenes; scene++)
{
if (image_info->ping != MagickFalse)
break;
image->columns=(size_t) width;
image->rows=(size_t) height;
image->depth=info.depth;
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
break;
image->colorspace=RGBColorspace;
(void) SetImageBackgroundColor(image,exception);
if ((image->colormap == (PixelInfo *) NULL) &&
(info.samples_per_pixel == 1))
{
int
index;
size_t
one;
one=1;
if (colors == 0)
colors=one << info.depth;
if (AcquireImageColormap(image,colors,exception) == MagickFalse)
ThrowDCMException(ResourceLimitError,"MemoryAllocationFailed");
if (redmap != (int *) NULL)
for (i=0; i < (ssize_t) colors; i++)
{
index=redmap[i];
if ((info.scale != (Quantum *) NULL) && (index >= 0) &&
(index <= (int) info.max_value))
index=(int) info.scale[index];
image->colormap[i].red=(MagickRealType) index;
}
if (greenmap != (int *) NULL)
for (i=0; i < (ssize_t) colors; i++)
{
index=greenmap[i];
if ((info.scale != (Quantum *) NULL) && (index >= 0) &&
(index <= (int) info.max_value))
index=(int) info.scale[index];
image->colormap[i].green=(MagickRealType) index;
}
if (bluemap != (int *) NULL)
for (i=0; i < (ssize_t) colors; i++)
{
index=bluemap[i];
if ((info.scale != (Quantum *) NULL) && (index >= 0) &&
(index <= (int) info.max_value))
index=(int) info.scale[index];
image->colormap[i].blue=(MagickRealType) index;
}
if (graymap != (int *) NULL)
for (i=0; i < (ssize_t) colors; i++)
{
index=graymap[i];
if ((info.scale != (Quantum *) NULL) && (index >= 0) &&
(index <= (int) info.max_value))
index=(int) info.scale[index];
image->colormap[i].red=(MagickRealType) index;
image->colormap[i].green=(MagickRealType) index;
image->colormap[i].blue=(MagickRealType) index;
}
}
if (image->compression == RLECompression)
{
unsigned int
tag;
/*
Read RLE segment table.
*/
for (i=0; i < (ssize_t) stream_info->remaining; i++)
{
int
c;
c=ReadBlobByte(image);
if (c == EOF)
break;
}
tag=((unsigned int) ReadBlobLSBShort(image) << 16) |
ReadBlobLSBShort(image);
stream_info->remaining=(size_t) ReadBlobLSBLong(image);
if ((tag != 0xFFFEE000) || (stream_info->remaining <= 64) ||
(EOFBlob(image) != MagickFalse))
{
if (stream_info->offsets != (ssize_t *) NULL)
stream_info->offsets=(ssize_t *)
RelinquishMagickMemory(stream_info->offsets);
ThrowDCMException(CorruptImageError,"ImproperImageHeader");
}
stream_info->count=0;
stream_info->segment_count=ReadBlobLSBLong(image);
for (i=0; i < 15; i++)
stream_info->segments[i]=(ssize_t) ReadBlobLSBSignedLong(image);
stream_info->remaining-=64;
if (stream_info->segment_count > 1)
{
info.bytes_per_pixel=1;
info.depth=8;
if (stream_info->offset_count > 0)
(void) SeekBlob(image,(MagickOffsetType)
stream_info->offsets[0]+stream_info->segments[0],SEEK_SET);
}
}
if ((info.samples_per_pixel > 1) && (image->interlace == PlaneInterlace))
{
register ssize_t
x;
register Quantum
*q;
ssize_t
y;
/*
Convert Planar RGB DCM Medical image to pixel packets.
*/
for (i=0; i < (ssize_t) info.samples_per_pixel; i++)
{
for (y=0; y < (ssize_t) image->rows; y++)
{
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
switch ((int) i)
{
case 0:
{
SetPixelRed(image,ScaleCharToQuantum((unsigned char)
ReadDCMByte(stream_info,image)),q);
break;
}
case 1:
{
SetPixelGreen(image,ScaleCharToQuantum((unsigned char)
ReadDCMByte(stream_info,image)),q);
break;
}
case 2:
{
SetPixelBlue(image,ScaleCharToQuantum((unsigned char)
ReadDCMByte(stream_info,image)),q);
break;
}
case 3:
{
SetPixelAlpha(image,ScaleCharToQuantum((unsigned char)
ReadDCMByte(stream_info,image)),q);
break;
}
default:
break;
}
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
y,image->rows);
if (status == MagickFalse)
break;
}
}
}
}
else
{
const char
*option;
/*
Convert DCM Medical image to pixel packets.
*/
option=GetImageOption(image_info,"dcm:display-range");
if (option != (const char *) NULL)
{
if (LocaleCompare(option,"reset") == 0)
info.window_width=0;
}
option=GetImageOption(image_info,"dcm:window");
if (option != (char *) NULL)
{
GeometryInfo
geometry_info;
MagickStatusType
flags;
flags=ParseGeometry(option,&geometry_info);
if (flags & RhoValue)
info.window_center=geometry_info.rho;
if (flags & SigmaValue)
info.window_width=geometry_info.sigma;
info.rescale=MagickTrue;
}
option=GetImageOption(image_info,"dcm:rescale");
if (option != (char *) NULL)
info.rescale=IsStringTrue(option);
if ((info.window_center != 0) && (info.window_width == 0))
info.window_width=info.window_center;
status=ReadDCMPixels(image,&info,stream_info,MagickTrue,exception);
if ((status != MagickFalse) && (stream_info->segment_count > 1))
{
if (stream_info->offset_count > 0)
(void) SeekBlob(image,(MagickOffsetType)
stream_info->offsets[0]+stream_info->segments[1],SEEK_SET);
(void) ReadDCMPixels(image,&info,stream_info,MagickFalse,
exception);
}
}
if (SetImageGray(image,exception) != MagickFalse)
(void) SetImageColorspace(image,GRAYColorspace,exception);
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
if (scene < (ssize_t) (number_scenes-1))
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image,exception);
if (GetNextImageInList(image) == (Image *) NULL)
{
status=MagickFalse;
break;
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
}
if (TellBlob(image) < (MagickOffsetType) GetBlobSize(image))
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image,exception);
if (GetNextImageInList(image) == (Image *) NULL)
{
status=MagickFalse;
break;
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
}
/*
Free resources.
*/
if (stream_info->offsets != (ssize_t *) NULL)
stream_info->offsets=(ssize_t *)
RelinquishMagickMemory(stream_info->offsets);
stream_info=(DCMStreamInfo *) RelinquishMagickMemory(stream_info);
if (info.scale != (Quantum *) NULL)
info.scale=(Quantum *) RelinquishMagickMemory(info.scale);
if (graymap != (int *) NULL)
graymap=(int *) RelinquishMagickMemory(graymap);
if (bluemap != (int *) NULL)
bluemap=(int *) RelinquishMagickMemory(bluemap);
if (greenmap != (int *) NULL)
greenmap=(int *) RelinquishMagickMemory(greenmap);
if (redmap != (int *) NULL)
redmap=(int *) RelinquishMagickMemory(redmap);
(void) CloseBlob(image);
if (status == MagickFalse)
return(DestroyImageList(image));
return(GetFirstImageInList(image));
}
|
CWE-20
| 182,211 | 3,555 |
32603143152590398998321960923344543353
| null | null | null |
ImageMagick
|
6b6bff054d569a77973f2140c0e86366e6168a6c
| 1 |
static Image *ReadPICTImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
#define ThrowPICTException(exception,message) \
{ \
if (tile_image != (Image *) NULL) \
tile_image=DestroyImage(tile_image); \
if (read_info != (ImageInfo *) NULL) \
read_info=DestroyImageInfo(read_info); \
ThrowReaderException((exception),(message)); \
}
char
geometry[MagickPathExtent],
header_ole[4];
Image
*image,
*tile_image;
ImageInfo
*read_info;
int
c,
code;
MagickBooleanType
jpeg,
status;
PICTRectangle
frame;
PICTPixmap
pixmap;
Quantum
index;
register Quantum
*q;
register ssize_t
i,
x;
size_t
extent,
length;
ssize_t
count,
flags,
j,
version,
y;
StringInfo
*profile;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Read PICT header.
*/
read_info=(ImageInfo *) NULL;
tile_image=(Image *) NULL;
pixmap.bits_per_pixel=0;
pixmap.component_count=0;
/*
Skip header : 512 for standard PICT and 4, ie "PICT" for OLE2.
*/
header_ole[0]=ReadBlobByte(image);
header_ole[1]=ReadBlobByte(image);
header_ole[2]=ReadBlobByte(image);
header_ole[3]=ReadBlobByte(image);
if (!((header_ole[0] == 0x50) && (header_ole[1] == 0x49) &&
(header_ole[2] == 0x43) && (header_ole[3] == 0x54 )))
for (i=0; i < 508; i++)
if (ReadBlobByte(image) == EOF)
break;
(void) ReadBlobMSBShort(image); /* skip picture size */
if (ReadRectangle(image,&frame) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
while ((c=ReadBlobByte(image)) == 0) ;
if (c != 0x11)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
version=(ssize_t) ReadBlobByte(image);
if (version == 2)
{
c=ReadBlobByte(image);
if (c != 0xff)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
}
else
if (version != 1)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
if ((frame.left < 0) || (frame.right < 0) || (frame.top < 0) ||
(frame.bottom < 0) || (frame.left >= frame.right) ||
(frame.top >= frame.bottom))
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
/*
Create black canvas.
*/
flags=0;
image->depth=8;
image->columns=(size_t) (frame.right-frame.left);
image->rows=(size_t) (frame.bottom-frame.top);
image->resolution.x=DefaultResolution;
image->resolution.y=DefaultResolution;
image->units=UndefinedResolution;
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
{
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status != MagickFalse)
status=ResetImagePixels(image,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
/*
Interpret PICT opcodes.
*/
jpeg=MagickFalse;
for (code=0; EOFBlob(image) == MagickFalse; )
{
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
if ((version == 1) || ((TellBlob(image) % 2) != 0))
code=ReadBlobByte(image);
if (version == 2)
code=ReadBlobMSBSignedShort(image);
if (code < 0)
break;
if (code == 0)
continue;
if (code > 0xa1)
{
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),"%04X:",code);
}
else
{
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" %04X %s: %s",code,codes[code].name,codes[code].description);
switch (code)
{
case 0x01:
{
/*
Clipping rectangle.
*/
length=ReadBlobMSBShort(image);
if (length != 0x000a)
{
for (i=0; i < (ssize_t) (length-2); i++)
if (ReadBlobByte(image) == EOF)
break;
break;
}
if (ReadRectangle(image,&frame) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
if (((frame.left & 0x8000) != 0) || ((frame.top & 0x8000) != 0))
break;
image->columns=(size_t) (frame.right-frame.left);
image->rows=(size_t) (frame.bottom-frame.top);
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status != MagickFalse)
status=ResetImagePixels(image,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
break;
}
case 0x12:
case 0x13:
case 0x14:
{
ssize_t
pattern;
size_t
height,
width;
/*
Skip pattern definition.
*/
pattern=(ssize_t) ReadBlobMSBShort(image);
for (i=0; i < 8; i++)
if (ReadBlobByte(image) == EOF)
break;
if (pattern == 2)
{
for (i=0; i < 5; i++)
if (ReadBlobByte(image) == EOF)
break;
break;
}
if (pattern != 1)
ThrowPICTException(CorruptImageError,"UnknownPatternType");
length=ReadBlobMSBShort(image);
if (ReadRectangle(image,&frame) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
if (ReadPixmap(image,&pixmap) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
image->depth=(size_t) pixmap.component_size;
image->resolution.x=1.0*pixmap.horizontal_resolution;
image->resolution.y=1.0*pixmap.vertical_resolution;
image->units=PixelsPerInchResolution;
(void) ReadBlobMSBLong(image);
flags=(ssize_t) ReadBlobMSBShort(image);
length=ReadBlobMSBShort(image);
for (i=0; i <= (ssize_t) length; i++)
(void) ReadBlobMSBLong(image);
width=(size_t) (frame.bottom-frame.top);
height=(size_t) (frame.right-frame.left);
if (pixmap.bits_per_pixel <= 8)
length&=0x7fff;
if (pixmap.bits_per_pixel == 16)
width<<=1;
if (length == 0)
length=width;
if (length < 8)
{
for (i=0; i < (ssize_t) (length*height); i++)
if (ReadBlobByte(image) == EOF)
break;
}
else
for (i=0; i < (ssize_t) height; i++)
{
if (EOFBlob(image) != MagickFalse)
break;
if (length > 200)
{
for (j=0; j < (ssize_t) ReadBlobMSBShort(image); j++)
if (ReadBlobByte(image) == EOF)
break;
}
else
for (j=0; j < (ssize_t) ReadBlobByte(image); j++)
if (ReadBlobByte(image) == EOF)
break;
}
break;
}
case 0x1b:
{
/*
Initialize image background color.
*/
image->background_color.red=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
image->background_color.green=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
image->background_color.blue=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
break;
}
case 0x70:
case 0x71:
case 0x72:
case 0x73:
case 0x74:
case 0x75:
case 0x76:
case 0x77:
{
/*
Skip polygon or region.
*/
length=ReadBlobMSBShort(image);
for (i=0; i < (ssize_t) (length-2); i++)
if (ReadBlobByte(image) == EOF)
break;
break;
}
case 0x90:
case 0x91:
case 0x98:
case 0x99:
case 0x9a:
case 0x9b:
{
PICTRectangle
source,
destination;
register unsigned char
*p;
size_t
j;
ssize_t
bytes_per_line;
unsigned char
*pixels;
/*
Pixmap clipped by a rectangle.
*/
bytes_per_line=0;
if ((code != 0x9a) && (code != 0x9b))
bytes_per_line=(ssize_t) ReadBlobMSBShort(image);
else
{
(void) ReadBlobMSBShort(image);
(void) ReadBlobMSBShort(image);
(void) ReadBlobMSBShort(image);
}
if (ReadRectangle(image,&frame) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
/*
Initialize tile image.
*/
tile_image=CloneImage(image,(size_t) (frame.right-frame.left),
(size_t) (frame.bottom-frame.top),MagickTrue,exception);
if (tile_image == (Image *) NULL)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
if ((code == 0x9a) || (code == 0x9b) ||
((bytes_per_line & 0x8000) != 0))
{
if (ReadPixmap(image,&pixmap) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
tile_image->depth=(size_t) pixmap.component_size;
tile_image->alpha_trait=pixmap.component_count == 4 ?
BlendPixelTrait : UndefinedPixelTrait;
tile_image->resolution.x=(double) pixmap.horizontal_resolution;
tile_image->resolution.y=(double) pixmap.vertical_resolution;
tile_image->units=PixelsPerInchResolution;
if (tile_image->alpha_trait != UndefinedPixelTrait)
(void) SetImageAlpha(tile_image,OpaqueAlpha,exception);
}
if ((code != 0x9a) && (code != 0x9b))
{
/*
Initialize colormap.
*/
tile_image->colors=2;
if ((bytes_per_line & 0x8000) != 0)
{
(void) ReadBlobMSBLong(image);
flags=(ssize_t) ReadBlobMSBShort(image);
tile_image->colors=1UL*ReadBlobMSBShort(image)+1;
}
status=AcquireImageColormap(tile_image,tile_image->colors,
exception);
if (status == MagickFalse)
ThrowPICTException(ResourceLimitError,
"MemoryAllocationFailed");
if ((bytes_per_line & 0x8000) != 0)
{
for (i=0; i < (ssize_t) tile_image->colors; i++)
{
j=ReadBlobMSBShort(image) % tile_image->colors;
if ((flags & 0x8000) != 0)
j=(size_t) i;
tile_image->colormap[j].red=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
tile_image->colormap[j].green=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
tile_image->colormap[j].blue=(Quantum)
ScaleShortToQuantum(ReadBlobMSBShort(image));
}
}
else
{
for (i=0; i < (ssize_t) tile_image->colors; i++)
{
tile_image->colormap[i].red=(Quantum) (QuantumRange-
tile_image->colormap[i].red);
tile_image->colormap[i].green=(Quantum) (QuantumRange-
tile_image->colormap[i].green);
tile_image->colormap[i].blue=(Quantum) (QuantumRange-
tile_image->colormap[i].blue);
}
}
}
if (EOFBlob(image) != MagickFalse)
ThrowPICTException(CorruptImageError,
"InsufficientImageDataInFile");
if (ReadRectangle(image,&source) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
if (ReadRectangle(image,&destination) == MagickFalse)
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
(void) ReadBlobMSBShort(image);
if ((code == 0x91) || (code == 0x99) || (code == 0x9b))
{
/*
Skip region.
*/
length=ReadBlobMSBShort(image);
for (i=0; i < (ssize_t) (length-2); i++)
if (ReadBlobByte(image) == EOF)
break;
}
if ((code != 0x9a) && (code != 0x9b) &&
(bytes_per_line & 0x8000) == 0)
pixels=DecodeImage(image,tile_image,(size_t) bytes_per_line,1,
&extent);
else
pixels=DecodeImage(image,tile_image,(size_t) bytes_per_line,
(unsigned int) pixmap.bits_per_pixel,&extent);
if (pixels == (unsigned char *) NULL)
ThrowPICTException(CorruptImageError,"UnableToUncompressImage");
/*
Convert PICT tile image to pixel packets.
*/
p=pixels;
for (y=0; y < (ssize_t) tile_image->rows; y++)
{
if (p > (pixels+extent+image->columns))
{
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
ThrowPICTException(CorruptImageError,"NotEnoughPixelData");
}
q=QueueAuthenticPixels(tile_image,0,y,tile_image->columns,1,
exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) tile_image->columns; x++)
{
if (tile_image->storage_class == PseudoClass)
{
index=(Quantum) ConstrainColormapIndex(tile_image,(ssize_t)
*p,exception);
SetPixelIndex(tile_image,index,q);
SetPixelRed(tile_image,
tile_image->colormap[(ssize_t) index].red,q);
SetPixelGreen(tile_image,
tile_image->colormap[(ssize_t) index].green,q);
SetPixelBlue(tile_image,
tile_image->colormap[(ssize_t) index].blue,q);
}
else
{
if (pixmap.bits_per_pixel == 16)
{
i=(ssize_t) (*p++);
j=(size_t) (*p);
SetPixelRed(tile_image,ScaleCharToQuantum(
(unsigned char) ((i & 0x7c) << 1)),q);
SetPixelGreen(tile_image,ScaleCharToQuantum(
(unsigned char) (((i & 0x03) << 6) |
((j & 0xe0) >> 2))),q);
SetPixelBlue(tile_image,ScaleCharToQuantum(
(unsigned char) ((j & 0x1f) << 3)),q);
}
else
if (tile_image->alpha_trait == UndefinedPixelTrait)
{
if (p > (pixels+extent+2*image->columns))
ThrowPICTException(CorruptImageError,
"NotEnoughPixelData");
SetPixelRed(tile_image,ScaleCharToQuantum(*p),q);
SetPixelGreen(tile_image,ScaleCharToQuantum(
*(p+tile_image->columns)),q);
SetPixelBlue(tile_image,ScaleCharToQuantum(
*(p+2*tile_image->columns)),q);
}
else
{
if (p > (pixels+extent+3*image->columns))
ThrowPICTException(CorruptImageError,
"NotEnoughPixelData");
SetPixelAlpha(tile_image,ScaleCharToQuantum(*p),q);
SetPixelRed(tile_image,ScaleCharToQuantum(
*(p+tile_image->columns)),q);
SetPixelGreen(tile_image,ScaleCharToQuantum(
*(p+2*tile_image->columns)),q);
SetPixelBlue(tile_image,ScaleCharToQuantum(
*(p+3*tile_image->columns)),q);
}
}
p++;
q+=GetPixelChannels(tile_image);
}
if (SyncAuthenticPixels(tile_image,exception) == MagickFalse)
break;
if ((tile_image->storage_class == DirectClass) &&
(pixmap.bits_per_pixel != 16))
{
p+=(pixmap.component_count-1)*tile_image->columns;
if (p < pixels)
break;
}
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
tile_image->rows);
if (status == MagickFalse)
break;
}
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if ((jpeg == MagickFalse) && (EOFBlob(image) == MagickFalse))
if ((code == 0x9a) || (code == 0x9b) ||
((bytes_per_line & 0x8000) != 0))
(void) CompositeImage(image,tile_image,CopyCompositeOp,
MagickTrue,(ssize_t) destination.left,(ssize_t)
destination.top,exception);
tile_image=DestroyImage(tile_image);
break;
}
case 0xa1:
{
unsigned char
*info;
size_t
type;
/*
Comment.
*/
type=ReadBlobMSBShort(image);
length=ReadBlobMSBShort(image);
if (length == 0)
break;
(void) ReadBlobMSBLong(image);
length-=MagickMin(length,4);
if (length == 0)
break;
info=(unsigned char *) AcquireQuantumMemory(length,sizeof(*info));
if (info == (unsigned char *) NULL)
break;
count=ReadBlob(image,length,info);
if (count != (ssize_t) length)
{
info=(unsigned char *) RelinquishMagickMemory(info);
ThrowPICTException(ResourceLimitError,"UnableToReadImageData");
}
switch (type)
{
case 0xe0:
{
profile=BlobToStringInfo((const void *) NULL,length);
SetStringInfoDatum(profile,info);
status=SetImageProfile(image,"icc",profile,exception);
profile=DestroyStringInfo(profile);
if (status == MagickFalse)
{
info=(unsigned char *) RelinquishMagickMemory(info);
ThrowPICTException(ResourceLimitError,
"MemoryAllocationFailed");
}
break;
}
case 0x1f2:
{
profile=BlobToStringInfo((const void *) NULL,length);
SetStringInfoDatum(profile,info);
status=SetImageProfile(image,"iptc",profile,exception);
if (status == MagickFalse)
{
info=(unsigned char *) RelinquishMagickMemory(info);
ThrowPICTException(ResourceLimitError,
"MemoryAllocationFailed");
}
profile=DestroyStringInfo(profile);
break;
}
default:
break;
}
info=(unsigned char *) RelinquishMagickMemory(info);
break;
}
default:
{
/*
Skip to next op code.
*/
if (codes[code].length == -1)
(void) ReadBlobMSBShort(image);
else
for (i=0; i < (ssize_t) codes[code].length; i++)
if (ReadBlobByte(image) == EOF)
break;
}
}
}
if (code == 0xc00)
{
/*
Skip header.
*/
for (i=0; i < 24; i++)
if (ReadBlobByte(image) == EOF)
break;
continue;
}
if (((code >= 0xb0) && (code <= 0xcf)) ||
((code >= 0x8000) && (code <= 0x80ff)))
continue;
if (code == 0x8200)
{
char
filename[MaxTextExtent];
FILE
*file;
int
unique_file;
/*
Embedded JPEG.
*/
jpeg=MagickTrue;
read_info=CloneImageInfo(image_info);
SetImageInfoBlob(read_info,(void *) NULL,0);
file=(FILE *) NULL;
unique_file=AcquireUniqueFileResource(filename);
(void) FormatLocaleString(read_info->filename,MaxTextExtent,"jpeg:%s",
filename);
if (unique_file != -1)
file=fdopen(unique_file,"wb");
if ((unique_file == -1) || (file == (FILE *) NULL))
{
(void) RelinquishUniqueFileResource(read_info->filename);
(void) CopyMagickString(image->filename,read_info->filename,
MagickPathExtent);
ThrowPICTException(FileOpenError,"UnableToCreateTemporaryFile");
}
length=ReadBlobMSBLong(image);
if (length > 154)
{
for (i=0; i < 6; i++)
(void) ReadBlobMSBLong(image);
if (ReadRectangle(image,&frame) == MagickFalse)
{
(void) fclose(file);
(void) RelinquishUniqueFileResource(read_info->filename);
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
}
for (i=0; i < 122; i++)
if (ReadBlobByte(image) == EOF)
break;
for (i=0; i < (ssize_t) (length-154); i++)
{
c=ReadBlobByte(image);
if (c == EOF)
break;
(void) fputc(c,file);
}
}
(void) fclose(file);
(void) close(unique_file);
tile_image=ReadImage(read_info,exception);
(void) RelinquishUniqueFileResource(filename);
read_info=DestroyImageInfo(read_info);
if (tile_image == (Image *) NULL)
continue;
(void) FormatLocaleString(geometry,MagickPathExtent,"%.20gx%.20g",
(double) MagickMax(image->columns,tile_image->columns),
(double) MagickMax(image->rows,tile_image->rows));
(void) SetImageExtent(image,
MagickMax(image->columns,tile_image->columns),
MagickMax(image->rows,tile_image->rows),exception);
(void) TransformImageColorspace(image,tile_image->colorspace,exception);
(void) CompositeImage(image,tile_image,CopyCompositeOp,MagickTrue,
(ssize_t) frame.left,(ssize_t) frame.right,exception);
image->compression=tile_image->compression;
tile_image=DestroyImage(tile_image);
continue;
}
if ((code == 0xff) || (code == 0xffff))
break;
if (((code >= 0xd0) && (code <= 0xfe)) ||
((code >= 0x8100) && (code <= 0xffff)))
{
/*
Skip reserved.
*/
length=ReadBlobMSBShort(image);
for (i=0; i < (ssize_t) length; i++)
if (ReadBlobByte(image) == EOF)
break;
continue;
}
if ((code >= 0x100) && (code <= 0x7fff))
{
/*
Skip reserved.
*/
length=(size_t) ((code >> 7) & 0xff);
for (i=0; i < (ssize_t) length; i++)
if (ReadBlobByte(image) == EOF)
break;
continue;
}
}
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
|
CWE-20
| 182,212 | 3,556 |
105401273080100608131821442930695117774
| null | null | null |
ImageMagick
|
6b6bff054d569a77973f2140c0e86366e6168a6c
| 1 |
static Image *ReadPWPImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
char
filename[MagickPathExtent];
FILE
*file;
Image
*image,
*next_image,
*pwp_image;
ImageInfo
*read_info;
int
c,
unique_file;
MagickBooleanType
status;
register Image
*p;
register ssize_t
i;
size_t
filesize,
length;
ssize_t
count;
unsigned char
magick[MagickPathExtent];
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImage(image);
return((Image *) NULL);
}
pwp_image=image;
memset(magick,0,sizeof(magick));
count=ReadBlob(pwp_image,5,magick);
if ((count != 5) || (LocaleNCompare((char *) magick,"SFW95",5) != 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
read_info=CloneImageInfo(image_info);
(void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,
(void *) NULL);
SetImageInfoBlob(read_info,(void *) NULL,0);
unique_file=AcquireUniqueFileResource(filename);
(void) FormatLocaleString(read_info->filename,MagickPathExtent,"sfw:%s",
filename);
for ( ; ; )
{
(void) memset(magick,0,sizeof(magick));
for (c=ReadBlobByte(pwp_image); c != EOF; c=ReadBlobByte(pwp_image))
{
for (i=0; i < 17; i++)
magick[i]=magick[i+1];
magick[17]=(unsigned char) c;
if (LocaleNCompare((char *) (magick+12),"SFW94A",6) == 0)
break;
}
if (c == EOF)
{
(void) RelinquishUniqueFileResource(filename);
read_info=DestroyImageInfo(read_info);
ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
}
if (LocaleNCompare((char *) (magick+12),"SFW94A",6) != 0)
{
(void) RelinquishUniqueFileResource(filename);
read_info=DestroyImageInfo(read_info);
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
/*
Dump SFW image to a temporary file.
*/
file=(FILE *) NULL;
if (unique_file != -1)
file=fdopen(unique_file,"wb");
if ((unique_file == -1) || (file == (FILE *) NULL))
{
(void) RelinquishUniqueFileResource(filename);
read_info=DestroyImageInfo(read_info);
ThrowFileException(exception,FileOpenError,"UnableToWriteFile",
image->filename);
image=DestroyImageList(image);
return((Image *) NULL);
}
length=fwrite("SFW94A",1,6,file);
(void) length;
filesize=65535UL*magick[2]+256L*magick[1]+magick[0];
for (i=0; i < (ssize_t) filesize; i++)
{
c=ReadBlobByte(pwp_image);
if (c == EOF)
break;
(void) fputc(c,file);
}
(void) fclose(file);
if (c == EOF)
{
(void) RelinquishUniqueFileResource(filename);
read_info=DestroyImageInfo(read_info);
ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
}
next_image=ReadImage(read_info,exception);
if (next_image == (Image *) NULL)
break;
(void) FormatLocaleString(next_image->filename,MagickPathExtent,
"slide_%02ld.sfw",(long) next_image->scene);
if (image == (Image *) NULL)
image=next_image;
else
{
/*
Link image into image list.
*/
for (p=image; p->next != (Image *) NULL; p=GetNextImageInList(p)) ;
next_image->previous=p;
next_image->scene=p->scene+1;
p->next=next_image;
}
if (image_info->number_scenes != 0)
if (next_image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
status=SetImageProgress(image,LoadImagesTag,TellBlob(pwp_image),
GetBlobSize(pwp_image));
if (status == MagickFalse)
break;
}
if (unique_file != -1)
(void) close(unique_file);
(void) RelinquishUniqueFileResource(filename);
read_info=DestroyImageInfo(read_info);
if (image != (Image *) NULL)
{
if (EOFBlob(image) != MagickFalse)
{
char
*message;
message=GetExceptionMessage(errno);
(void) ThrowMagickException(exception,GetMagickModule(),
CorruptImageError,"UnexpectedEndOfFile","`%s': %s",image->filename,
message);
message=DestroyString(message);
}
(void) CloseBlob(image);
}
return(GetFirstImageInList(image));
}
|
CWE-20
| 182,213 | 3,557 |
327038602402263462958723512498580519392
| null | null | null |
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