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 |
|---|---|---|---|---|---|---|---|---|---|---|
virglrenderer
|
e534b51ca3c3cd25f3990589932a9ed711c59b27
| 0 |
static boolean is_alpha_underscore( const char *cur )
{
return
(*cur >= 'a' && *cur <= 'z') ||
(*cur >= 'A' && *cur <= 'Z') ||
*cur == '_';
}
|
CWE-119
| 9,139 | 16,251 |
230596309245383326038868876711686412965
| null | null | null |
virglrenderer
|
e534b51ca3c3cd25f3990589932a9ed711c59b27
| 0 |
static boolean is_digit_alpha_underscore( const char *cur )
{
return is_digit( cur ) || is_alpha_underscore( cur );
}
|
CWE-119
| 9,141 | 16,252 |
289429820911624169154911595605032696018
| null | null | null |
virglrenderer
|
e534b51ca3c3cd25f3990589932a9ed711c59b27
| 0 |
static boolean parse_int( const char **pcur, int *val )
{
const char *cur = *pcur;
int sign = (*cur == '-' ? -1 : 1);
if (*cur == '+' || *cur == '-')
cur++;
if (parse_uint(&cur, (uint *)val)) {
*val *= sign;
*pcur = cur;
return TRUE;
}
return FALSE;
}
|
CWE-119
| 9,142 | 16,253 |
101903318672433492781752765838458174400
| null | null | null |
virglrenderer
|
e534b51ca3c3cd25f3990589932a9ed711c59b27
| 0 |
static boolean parse_uint( const char **pcur, uint *val )
{
const char *cur = *pcur;
if (is_digit( cur )) {
*val = *cur++ - '0';
while (is_digit( cur ))
*val = *val * 10 + *cur++ - '0';
*pcur = cur;
return TRUE;
}
return FALSE;
}
|
CWE-119
| 9,143 | 16,254 |
336089917454117990507575951052826447237
| null | null | null |
virglrenderer
|
e534b51ca3c3cd25f3990589932a9ed711c59b27
| 0 |
static boolean str_match_no_case( const char **pcur, const char *str )
{
const char *cur = *pcur;
while (*str != '\0' && *str == uprcase( *cur )) {
str++;
cur++;
}
if (*str == '\0') {
*pcur = cur;
return TRUE;
}
return FALSE;
}
|
CWE-119
| 9,144 | 16,255 |
164125245120560545387123482227878568938
| null | null | null |
virglrenderer
|
e534b51ca3c3cd25f3990589932a9ed711c59b27
| 0 |
static boolean str_match_nocase_whole( const char **pcur, const char *str )
{
const char *cur = *pcur;
if (str_match_no_case(&cur, str) &&
!is_digit_alpha_underscore(cur)) {
*pcur = cur;
return TRUE;
}
return FALSE;
}
|
CWE-119
| 9,145 | 16,256 |
1750938175002070028809116354737654921
| null | null | null |
virglrenderer
|
e534b51ca3c3cd25f3990589932a9ed711c59b27
| 0 |
streq_nocase_uprcase(const char *str1,
const char *str2)
{
while (*str1 && *str2) {
if (*str1 != uprcase(*str2))
return FALSE;
str1++;
str2++;
}
return *str1 == 0 && *str2 == 0;
}
|
CWE-119
| 9,146 | 16,257 |
188088820665698371140698503914749466959
| null | null | null |
virglrenderer
|
e534b51ca3c3cd25f3990589932a9ed711c59b27
| 0 |
static char uprcase( char c )
{
if (c >= 'a' && c <= 'z')
return c + 'A' - 'a';
return c;
}
|
CWE-119
| 9,147 | 16,258 |
2681672226215469882464199817969672803
| null | null | null |
virglrenderer
|
114688c526fe45f341d75ccd1d85473c3b08f7a7
| 0 |
static struct vrend_linked_shader_program *add_shader_program(struct vrend_context *ctx,
struct vrend_shader *vs,
struct vrend_shader *fs,
struct vrend_shader *gs)
{
struct vrend_linked_shader_program *sprog = CALLOC_STRUCT(vrend_linked_shader_program);
char name[16];
int i;
GLuint prog_id;
GLint lret;
int id;
int last_shader;
if (!sprog)
return NULL;
/* need to rewrite VS code to add interpolation params */
if ((gs && gs->compiled_fs_id != fs->id) ||
(!gs && vs->compiled_fs_id != fs->id)) {
bool ret;
if (gs)
vrend_patch_vertex_shader_interpolants(gs->glsl_prog,
&gs->sel->sinfo,
&fs->sel->sinfo, true, fs->key.flatshade);
else
vrend_patch_vertex_shader_interpolants(vs->glsl_prog,
&vs->sel->sinfo,
&fs->sel->sinfo, false, fs->key.flatshade);
ret = vrend_compile_shader(ctx, gs ? gs : vs);
if (ret == false) {
glDeleteShader(gs ? gs->id : vs->id);
free(sprog);
return NULL;
}
if (gs)
gs->compiled_fs_id = fs->id;
else
vs->compiled_fs_id = fs->id;
}
prog_id = glCreateProgram();
glAttachShader(prog_id, vs->id);
if (gs) {
if (gs->id > 0)
glAttachShader(prog_id, gs->id);
set_stream_out_varyings(prog_id, &gs->sel->sinfo);
}
else
set_stream_out_varyings(prog_id, &vs->sel->sinfo);
glAttachShader(prog_id, fs->id);
if (fs->sel->sinfo.num_outputs > 1) {
if (util_blend_state_is_dual(&ctx->sub->blend_state, 0)) {
glBindFragDataLocationIndexed(prog_id, 0, 0, "fsout_c0");
glBindFragDataLocationIndexed(prog_id, 0, 1, "fsout_c1");
sprog->dual_src_linked = true;
} else {
glBindFragDataLocationIndexed(prog_id, 0, 0, "fsout_c0");
glBindFragDataLocationIndexed(prog_id, 1, 0, "fsout_c1");
sprog->dual_src_linked = false;
}
} else
sprog->dual_src_linked = false;
if (vrend_state.have_vertex_attrib_binding) {
uint32_t mask = vs->sel->sinfo.attrib_input_mask;
while (mask) {
i = u_bit_scan(&mask);
snprintf(name, 10, "in_%d", i);
glBindAttribLocation(prog_id, i, name);
}
}
glLinkProgram(prog_id);
glGetProgramiv(prog_id, GL_LINK_STATUS, &lret);
if (lret == GL_FALSE) {
char infolog[65536];
int len;
glGetProgramInfoLog(prog_id, 65536, &len, infolog);
fprintf(stderr,"got error linking\n%s\n", infolog);
/* dump shaders */
report_context_error(ctx, VIRGL_ERROR_CTX_ILLEGAL_SHADER, 0);
fprintf(stderr,"vert shader: %d GLSL\n%s\n", vs->id, vs->glsl_prog);
if (gs)
fprintf(stderr,"geom shader: %d GLSL\n%s\n", gs->id, gs->glsl_prog);
fprintf(stderr,"frag shader: %d GLSL\n%s\n", fs->id, fs->glsl_prog);
glDeleteProgram(prog_id);
return NULL;
}
sprog->ss[PIPE_SHADER_VERTEX] = vs;
sprog->ss[PIPE_SHADER_FRAGMENT] = fs;
sprog->ss[PIPE_SHADER_GEOMETRY] = gs;
list_add(&sprog->sl[PIPE_SHADER_VERTEX], &vs->programs);
list_add(&sprog->sl[PIPE_SHADER_FRAGMENT], &fs->programs);
if (gs)
list_add(&sprog->sl[PIPE_SHADER_GEOMETRY], &gs->programs);
last_shader = gs ? PIPE_SHADER_GEOMETRY : PIPE_SHADER_FRAGMENT;
sprog->id = prog_id;
list_addtail(&sprog->head, &ctx->sub->programs);
if (fs->key.pstipple_tex)
sprog->fs_stipple_loc = glGetUniformLocation(prog_id, "pstipple_sampler");
else
sprog->fs_stipple_loc = -1;
sprog->vs_ws_adjust_loc = glGetUniformLocation(prog_id, "winsys_adjust");
for (id = PIPE_SHADER_VERTEX; id <= last_shader; id++) {
if (sprog->ss[id]->sel->sinfo.samplers_used_mask) {
uint32_t mask = sprog->ss[id]->sel->sinfo.samplers_used_mask;
int nsamp = util_bitcount(sprog->ss[id]->sel->sinfo.samplers_used_mask);
int index;
sprog->shadow_samp_mask[id] = sprog->ss[id]->sel->sinfo.shadow_samp_mask;
if (sprog->ss[id]->sel->sinfo.shadow_samp_mask) {
sprog->shadow_samp_mask_locs[id] = calloc(nsamp, sizeof(uint32_t));
sprog->shadow_samp_add_locs[id] = calloc(nsamp, sizeof(uint32_t));
} else {
sprog->shadow_samp_mask_locs[id] = sprog->shadow_samp_add_locs[id] = NULL;
}
sprog->samp_locs[id] = calloc(nsamp, sizeof(uint32_t));
if (sprog->samp_locs[id]) {
const char *prefix = pipe_shader_to_prefix(id);
index = 0;
while(mask) {
i = u_bit_scan(&mask);
snprintf(name, 10, "%ssamp%d", prefix, i);
sprog->samp_locs[id][index] = glGetUniformLocation(prog_id, name);
if (sprog->ss[id]->sel->sinfo.shadow_samp_mask & (1 << i)) {
snprintf(name, 14, "%sshadmask%d", prefix, i);
sprog->shadow_samp_mask_locs[id][index] = glGetUniformLocation(prog_id, name);
snprintf(name, 14, "%sshadadd%d", prefix, i);
sprog->shadow_samp_add_locs[id][index] = glGetUniformLocation(prog_id, name);
}
index++;
}
}
} else {
sprog->samp_locs[id] = NULL;
sprog->shadow_samp_mask_locs[id] = NULL;
sprog->shadow_samp_add_locs[id] = NULL;
sprog->shadow_samp_mask[id] = 0;
}
sprog->samplers_used_mask[id] = sprog->ss[id]->sel->sinfo.samplers_used_mask;
}
for (id = PIPE_SHADER_VERTEX; id <= last_shader; id++) {
if (sprog->ss[id]->sel->sinfo.num_consts) {
sprog->const_locs[id] = calloc(sprog->ss[id]->sel->sinfo.num_consts, sizeof(uint32_t));
if (sprog->const_locs[id]) {
const char *prefix = pipe_shader_to_prefix(id);
for (i = 0; i < sprog->ss[id]->sel->sinfo.num_consts; i++) {
snprintf(name, 16, "%sconst0[%d]", prefix, i);
sprog->const_locs[id][i] = glGetUniformLocation(prog_id, name);
}
}
} else
sprog->const_locs[id] = NULL;
}
if (!vrend_state.have_vertex_attrib_binding) {
if (vs->sel->sinfo.num_inputs) {
sprog->attrib_locs = calloc(vs->sel->sinfo.num_inputs, sizeof(uint32_t));
if (sprog->attrib_locs) {
for (i = 0; i < vs->sel->sinfo.num_inputs; i++) {
snprintf(name, 10, "in_%d", i);
sprog->attrib_locs[i] = glGetAttribLocation(prog_id, name);
}
}
} else
sprog->attrib_locs = NULL;
}
for (id = PIPE_SHADER_VERTEX; id <= last_shader; id++) {
if (sprog->ss[id]->sel->sinfo.num_ubos) {
const char *prefix = pipe_shader_to_prefix(id);
sprog->ubo_locs[id] = calloc(sprog->ss[id]->sel->sinfo.num_ubos, sizeof(uint32_t));
for (i = 0; i < sprog->ss[id]->sel->sinfo.num_ubos; i++) {
snprintf(name, 16, "%subo%d", prefix, i + 1);
sprog->ubo_locs[id][i] = glGetUniformBlockIndex(prog_id, name);
}
} else
sprog->ubo_locs[id] = NULL;
}
if (vs->sel->sinfo.num_ucp) {
for (i = 0; i < vs->sel->sinfo.num_ucp; i++) {
snprintf(name, 10, "clipp[%d]", i);
sprog->clip_locs[i] = glGetUniformLocation(prog_id, name);
}
}
return sprog;
}
|
CWE-119
| 9,150 | 16,259 |
56436090781883259369631295912669329247
| null | null | null |
virglrenderer
|
114688c526fe45f341d75ccd1d85473c3b08f7a7
| 0 |
vrend_shader_state_reference(struct vrend_shader_selector **ptr, struct vrend_shader_selector *shader)
{
struct vrend_shader_selector *old_shader = *ptr;
if (pipe_reference(&(*ptr)->reference, &shader->reference))
vrend_destroy_shader_selector(old_shader);
*ptr = shader;
}
|
CWE-119
| 9,151 | 16,260 |
155035002412305569101776187398443132657
| null | null | null |
virglrenderer
|
114688c526fe45f341d75ccd1d85473c3b08f7a7
| 0 |
static void vrend_stencil_test_enable(struct vrend_context *ctx, bool stencil_test_enable)
{
if (ctx->sub->stencil_test_enabled != stencil_test_enable) {
ctx->sub->stencil_test_enabled = stencil_test_enable;
if (stencil_test_enable)
glEnable(GL_STENCIL_TEST);
else
glDisable(GL_STENCIL_TEST);
}
}
|
CWE-119
| 9,153 | 16,261 |
112514596908188868437532225938289213560
| null | null | null |
virglrenderer
|
114688c526fe45f341d75ccd1d85473c3b08f7a7
| 0 |
vrend_surface_reference(struct vrend_surface **ptr, struct vrend_surface *surf)
{
struct vrend_surface *old_surf = *ptr;
if (pipe_reference(&(*ptr)->reference, &surf->reference))
vrend_destroy_surface(old_surf);
*ptr = surf;
}
|
CWE-119
| 9,154 | 16,262 |
52923313350727956049257667522010000277
| null | null | null |
virglrenderer
|
114688c526fe45f341d75ccd1d85473c3b08f7a7
| 0 |
static void vrend_use_program(struct vrend_context *ctx, GLuint program_id)
{
if (ctx->sub->program_id != program_id) {
glUseProgram(program_id);
ctx->sub->program_id = program_id;
}
}
|
CWE-119
| 9,155 | 16,263 |
336854190525253729355227767954465161911
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static GLuint blit_build_frag_blit_msaa_depth(struct vrend_blitter_ctx *blit_ctx, int tgsi_tex_target)
{
GLuint fs_id;
char shader_buf[4096];
int is_shad;
const char *twm;
const char *ivec;
switch (tgsi_tex_target) {
case TGSI_TEXTURE_2D_MSAA:
twm = ".xy";
ivec = "ivec2";
break;
case TGSI_TEXTURE_2D_ARRAY_MSAA:
twm = ".xyz";
ivec = "ivec3";
break;
default:
return 0;
}
snprintf(shader_buf, 4096, FS_TEXFETCH_DS_MSAA, vrend_shader_samplertypeconv(tgsi_tex_target, &is_shad), ivec, twm);
fs_id = glCreateShader(GL_FRAGMENT_SHADER);
if (!build_and_check(fs_id, shader_buf)) {
glDeleteShader(fs_id);
return 0;
}
return fs_id;
}
|
CWE-772
| 9,156 | 16,264 |
317228931504243001716094277482457904687
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static GLuint blit_build_frag_tex_col_emu_alpha(struct vrend_blitter_ctx *blit_ctx, int tgsi_tex_target)
{
GLuint fs_id;
char shader_buf[4096];
int is_shad;
const char *twm;
const char *ext_str = "";
switch (tgsi_tex_target) {
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_BUFFER:
twm = ".x";
break;
case TGSI_TEXTURE_1D_ARRAY:
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_RECT:
case TGSI_TEXTURE_2D_MSAA:
default:
twm = ".xy";
break;
case TGSI_TEXTURE_SHADOW1D:
case TGSI_TEXTURE_SHADOW2D:
case TGSI_TEXTURE_SHADOW1D_ARRAY:
case TGSI_TEXTURE_SHADOWRECT:
case TGSI_TEXTURE_3D:
case TGSI_TEXTURE_CUBE:
case TGSI_TEXTURE_2D_ARRAY:
case TGSI_TEXTURE_2D_ARRAY_MSAA:
twm = ".xyz";
break;
case TGSI_TEXTURE_SHADOWCUBE:
case TGSI_TEXTURE_SHADOW2D_ARRAY:
case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
case TGSI_TEXTURE_CUBE_ARRAY:
twm = "";
break;
}
if (tgsi_tex_target == TGSI_TEXTURE_CUBE_ARRAY ||
tgsi_tex_target == TGSI_TEXTURE_SHADOWCUBE_ARRAY)
ext_str = "#extension GL_ARB_texture_cube_map_array : require\n";
snprintf(shader_buf, 4096, FS_TEXFETCH_COL_ALPHA_DEST, ext_str, vrend_shader_samplertypeconv(tgsi_tex_target, &is_shad), twm, "");
fs_id = glCreateShader(GL_FRAGMENT_SHADER);
if (!build_and_check(fs_id, shader_buf)) {
glDeleteShader(fs_id);
return 0;
}
return fs_id;
}
|
CWE-772
| 9,158 | 16,265 |
56438019067141604168179793538946174326
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static GLuint blit_build_frag_tex_writedepth(struct vrend_blitter_ctx *blit_ctx, int tgsi_tex_target)
{
GLuint fs_id;
char shader_buf[4096];
int is_shad;
const char *twm;
switch (tgsi_tex_target) {
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_BUFFER:
twm = ".x";
break;
case TGSI_TEXTURE_1D_ARRAY:
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_RECT:
case TGSI_TEXTURE_2D_MSAA:
default:
twm = ".xy";
break;
case TGSI_TEXTURE_SHADOW1D:
case TGSI_TEXTURE_SHADOW2D:
case TGSI_TEXTURE_SHADOW1D_ARRAY:
case TGSI_TEXTURE_SHADOWRECT:
case TGSI_TEXTURE_3D:
case TGSI_TEXTURE_CUBE:
case TGSI_TEXTURE_2D_ARRAY:
case TGSI_TEXTURE_2D_ARRAY_MSAA:
twm = ".xyz";
break;
case TGSI_TEXTURE_SHADOWCUBE:
case TGSI_TEXTURE_SHADOW2D_ARRAY:
case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
case TGSI_TEXTURE_CUBE_ARRAY:
twm = "";
break;
}
snprintf(shader_buf, 4096, FS_TEXFETCH_DS, vrend_shader_samplertypeconv(tgsi_tex_target, &is_shad), twm);
fs_id = glCreateShader(GL_FRAGMENT_SHADER);
if (!build_and_check(fs_id, shader_buf)) {
glDeleteShader(fs_id);
return 0;
}
return fs_id;
}
|
CWE-772
| 9,159 | 16,266 |
209444893466953057130898329372929000873
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static bool blit_build_vs_passthrough(struct vrend_blitter_ctx *blit_ctx)
{
blit_ctx->vs = glCreateShader(GL_VERTEX_SHADER);
if (!build_and_check(blit_ctx->vs, VS_PASSTHROUGH)) {
glDeleteShader(blit_ctx->vs);
blit_ctx->vs = 0;
return false;
}
return true;
}
|
CWE-772
| 9,160 | 16,267 |
37171782638109722828980408660831651067
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static GLuint blit_get_frag_tex_col_emu_alpha(struct vrend_blitter_ctx *blit_ctx, int pipe_tex_target, unsigned nr_samples)
{
assert(pipe_tex_target < PIPE_MAX_TEXTURE_TYPES);
if (nr_samples > 1) {
return 0;
} else {
GLuint *shader = &blit_ctx->fs_texfetch_col_emu_alpha[pipe_tex_target];
if (!*shader) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex_target, 0);
*shader = blit_build_frag_tex_col_emu_alpha(blit_ctx, tgsi_tex);
}
return *shader;
}
}
|
CWE-772
| 9,162 | 16,268 |
304678345197617894764172734975743449975
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static GLuint blit_get_frag_tex_writedepth(struct vrend_blitter_ctx *blit_ctx, int pipe_tex_target, unsigned nr_samples)
{
assert(pipe_tex_target < PIPE_MAX_TEXTURE_TYPES);
if (nr_samples > 1) {
GLuint *shader = &blit_ctx->fs_texfetch_depth_msaa[pipe_tex_target];
if (!*shader) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex_target, nr_samples);
*shader = blit_build_frag_blit_msaa_depth(blit_ctx, tgsi_tex);
}
return *shader;
} else {
GLuint *shader = &blit_ctx->fs_texfetch_depth[pipe_tex_target];
if (!*shader) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex_target, 0);
*shader = blit_build_frag_tex_writedepth(blit_ctx, tgsi_tex);
}
return *shader;
}
}
|
CWE-772
| 9,163 | 16,269 |
239900786116426425723501728220592659943
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static void blitter_set_dst_dim(struct vrend_blitter_ctx *blit_ctx,
unsigned width, unsigned height)
{
blit_ctx->dst_width = width;
blit_ctx->dst_height = height;
}
|
CWE-772
| 9,164 | 16,270 |
192962369514130971306628721869214522811
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static void blitter_set_rectangle(struct vrend_blitter_ctx *blit_ctx,
int x1, int y1, int x2, int y2,
float depth)
{
int i;
/* set vertex positions */
blit_ctx->vertices[0][0][0] = (float)x1 / blit_ctx->dst_width * 2.0f - 1.0f; /*v0.x*/
blit_ctx->vertices[0][0][1] = (float)y1 / blit_ctx->dst_height * 2.0f - 1.0f; /*v0.y*/
blit_ctx->vertices[1][0][0] = (float)x2 / blit_ctx->dst_width * 2.0f - 1.0f; /*v1.x*/
blit_ctx->vertices[1][0][1] = (float)y1 / blit_ctx->dst_height * 2.0f - 1.0f; /*v1.y*/
blit_ctx->vertices[2][0][0] = (float)x2 / blit_ctx->dst_width * 2.0f - 1.0f; /*v2.x*/
blit_ctx->vertices[2][0][1] = (float)y2 / blit_ctx->dst_height * 2.0f - 1.0f; /*v2.y*/
blit_ctx->vertices[3][0][0] = (float)x1 / blit_ctx->dst_width * 2.0f - 1.0f; /*v3.x*/
blit_ctx->vertices[3][0][1] = (float)y2 / blit_ctx->dst_height * 2.0f - 1.0f; /*v3.y*/
for (i = 0; i < 4; i++)
blit_ctx->vertices[i][0][2] = depth; /*z*/
glViewport(0, 0, blit_ctx->dst_width, blit_ctx->dst_height);
}
|
CWE-772
| 9,165 | 16,271 |
44591623748959601762403126969004375665
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static void blitter_set_texcoords(struct vrend_blitter_ctx *blit_ctx,
struct vrend_resource *src_res,
int level,
float layer, unsigned sample,
int x1, int y1, int x2, int y2)
{
float coord[4];
float face_coord[4][2];
int i;
get_texcoords(src_res, level, x1, y1, x2, y2, coord);
if (src_res->base.target == PIPE_TEXTURE_CUBE ||
src_res->base.target == PIPE_TEXTURE_CUBE_ARRAY) {
set_texcoords_in_vertices(coord, &face_coord[0][0], 2);
util_map_texcoords2d_onto_cubemap((unsigned)layer % 6,
/* pointer, stride in floats */
&face_coord[0][0], 2,
&blit_ctx->vertices[0][1][0], 8,
FALSE);
} else {
set_texcoords_in_vertices(coord, &blit_ctx->vertices[0][1][0], 8);
}
switch (src_res->base.target) {
case PIPE_TEXTURE_3D:
{
float r = layer / (float)u_minify(src_res->base.depth0,
level);
for (i = 0; i < 4; i++)
blit_ctx->vertices[i][1][2] = r; /*r*/
}
break;
case PIPE_TEXTURE_1D_ARRAY:
for (i = 0; i < 4; i++)
blit_ctx->vertices[i][1][1] = (float) layer; /*t*/
break;
case PIPE_TEXTURE_2D_ARRAY:
for (i = 0; i < 4; i++) {
blit_ctx->vertices[i][1][2] = (float) layer; /*r*/
blit_ctx->vertices[i][1][3] = (float) sample; /*q*/
}
break;
case PIPE_TEXTURE_CUBE_ARRAY:
for (i = 0; i < 4; i++)
blit_ctx->vertices[i][1][3] = (float) ((unsigned)layer / 6); /*w*/
break;
case PIPE_TEXTURE_2D:
for (i = 0; i < 4; i++) {
blit_ctx->vertices[i][1][3] = (float) sample; /*r*/
}
break;
default:;
}
}
|
CWE-772
| 9,166 | 16,272 |
325884528606767366302693176882334029511
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static bool build_and_check(GLuint id, const char *buf)
{
GLint param;
glShaderSource(id, 1, (const char **)&buf, NULL);
glCompileShader(id);
glGetShaderiv(id, GL_COMPILE_STATUS, ¶m);
if (param == GL_FALSE) {
char infolog[65536];
int len;
glGetShaderInfoLog(id, 65536, &len, infolog);
fprintf(stderr,"shader failed to compile\n%s\n", infolog);
fprintf(stderr,"GLSL:\n%s\n", buf);
return false;
}
return true;
}
|
CWE-772
| 9,167 | 16,273 |
94675784005109887438328854497439561705
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static void get_texcoords(struct vrend_resource *src_res,
int src_level,
int x1, int y1, int x2, int y2,
float out[4])
{
bool normalized = src_res->base.target != PIPE_TEXTURE_RECT &&
src_res->base.nr_samples <= 1;
if (normalized) {
out[0] = x1 / (float)u_minify(src_res->base.width0, src_level);
out[1] = y1 / (float)u_minify(src_res->base.height0, src_level);
out[2] = x2 / (float)u_minify(src_res->base.width0, src_level);
out[3] = y2 / (float)u_minify(src_res->base.height0, src_level);
} else {
out[0] = (float) x1;
out[1] = (float) y1;
out[2] = (float) x2;
out[3] = (float) y2;
}
}
|
CWE-772
| 9,168 | 16,274 |
137913459201680638017443168291565655260
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static void set_dsa_write_depth_keep_stencil(void)
{
glDisable(GL_STENCIL_TEST);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_ALWAYS);
glDepthMask(GL_TRUE);
}
|
CWE-772
| 9,169 | 16,275 |
37916605097032823657348174730788298952
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
static void set_texcoords_in_vertices(const float coord[4],
float *out, unsigned stride)
{
out[0] = coord[0]; /*t0.s*/
out[1] = coord[1]; /*t0.t*/
out += stride;
out[0] = coord[2]; /*t1.s*/
out[1] = coord[1]; /*t1.t*/
out += stride;
out[0] = coord[2]; /*t2.s*/
out[1] = coord[3]; /*t2.t*/
out += stride;
out[0] = coord[0]; /*t3.s*/
out[1] = coord[3]; /*t3.t*/
}
|
CWE-772
| 9,170 | 16,276 |
117373714956023737369629302042653487763
| null | null | null |
virglrenderer
|
6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
| 0 |
void vrend_renderer_blit_gl(struct vrend_context *ctx,
struct vrend_resource *src_res,
struct vrend_resource *dst_res,
const struct pipe_blit_info *info)
{
struct vrend_blitter_ctx *blit_ctx = &vrend_blit_ctx;
GLuint prog_id;
GLuint fs_id;
GLint lret;
GLenum filter;
GLuint pos_loc, tc_loc;
GLuint samp_loc;
bool has_depth, has_stencil;
bool blit_stencil, blit_depth;
int dst_z;
const struct util_format_description *src_desc =
util_format_description(src_res->base.format);
const struct util_format_description *dst_desc =
util_format_description(dst_res->base.format);
has_depth = util_format_has_depth(src_desc) &&
util_format_has_depth(dst_desc);
has_stencil = util_format_has_stencil(src_desc) &&
util_format_has_stencil(dst_desc);
blit_depth = has_depth && (info->mask & PIPE_MASK_Z);
blit_stencil = has_stencil && (info->mask & PIPE_MASK_S) & 0;
filter = convert_mag_filter(info->filter);
vrend_renderer_init_blit_ctx(blit_ctx);
blitter_set_dst_dim(blit_ctx,
u_minify(dst_res->base.width0, info->dst.level),
u_minify(dst_res->base.height0, info->dst.level));
blitter_set_rectangle(blit_ctx, info->dst.box.x, info->dst.box.y,
info->dst.box.x + info->dst.box.width,
info->dst.box.y + info->dst.box.height, 0);
prog_id = glCreateProgram();
glAttachShader(prog_id, blit_ctx->vs);
if (blit_depth || blit_stencil)
fs_id = blit_get_frag_tex_writedepth(blit_ctx, src_res->base.target, src_res->base.nr_samples);
else if (vrend_format_is_emulated_alpha(info->dst.format))
fs_id = blit_get_frag_tex_col_emu_alpha(blit_ctx, src_res->base.target, src_res->base.nr_samples);
else
fs_id = blit_get_frag_tex_col(blit_ctx, src_res->base.target, src_res->base.nr_samples);
glAttachShader(prog_id, fs_id);
glLinkProgram(prog_id);
glGetProgramiv(prog_id, GL_LINK_STATUS, &lret);
if (lret == GL_FALSE) {
char infolog[65536];
int len;
glGetProgramInfoLog(prog_id, 65536, &len, infolog);
fprintf(stderr,"got error linking\n%s\n", infolog);
/* dump shaders */
glDeleteProgram(prog_id);
return;
}
glUseProgram(prog_id);
glBindFramebuffer(GL_FRAMEBUFFER_EXT, blit_ctx->fb_id);
vrend_fb_bind_texture(dst_res, 0, info->dst.level, info->dst.box.z);
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
glBindTexture(src_res->target, src_res->id);
if (vrend_format_is_emulated_alpha(info->src.format))
glTexParameteri(src_res->target, GL_TEXTURE_SWIZZLE_R, GL_ALPHA);
glTexParameteri(src_res->target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(src_res->target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(src_res->target, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexParameteri(src_res->target, GL_TEXTURE_BASE_LEVEL, info->src.level);
glTexParameteri(src_res->target, GL_TEXTURE_MAX_LEVEL, info->src.level);
glTexParameterf(src_res->target, GL_TEXTURE_MAG_FILTER, filter);
glTexParameterf(src_res->target, GL_TEXTURE_MIN_FILTER, filter);
pos_loc = glGetAttribLocation(prog_id, "arg0");
tc_loc = glGetAttribLocation(prog_id, "arg1");
samp_loc = glGetUniformLocation(prog_id, "samp");
glUniform1i(samp_loc, 0);
glVertexAttribPointer(pos_loc, 4, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void *)0);
glVertexAttribPointer(tc_loc, 4, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void *)(4 * sizeof(float)));
glEnableVertexAttribArray(pos_loc);
glEnableVertexAttribArray(tc_loc);
set_dsa_write_depth_keep_stencil();
for (dst_z = 0; dst_z < info->dst.box.depth; dst_z++) {
float dst2src_scale = info->src.box.depth / (float)info->dst.box.depth;
float dst_offset = ((info->src.box.depth - 1) -
(info->dst.box.depth - 1) * dst2src_scale) * 0.5;
float src_z = (dst_z + dst_offset) * dst2src_scale;
glBindFramebuffer(GL_FRAMEBUFFER_EXT, blit_ctx->fb_id);
vrend_fb_bind_texture(dst_res, 0, info->dst.level, dst_z);
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
blitter_set_texcoords(blit_ctx, src_res, info->src.level,
info->src.box.z + src_z, 0,
info->src.box.x, info->src.box.y,
info->src.box.x + info->src.box.width,
info->src.box.y + info->src.box.height);
glBufferData(GL_ARRAY_BUFFER, sizeof(blit_ctx->vertices), blit_ctx->vertices, GL_STATIC_DRAW);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
}
|
CWE-772
| 9,171 | 16,277 |
296085075758333043448164025217463035260
| null | null | null |
virglrenderer
|
a5ac49940c40ae415eac0cf912eac7070b4ba95d
| 0 |
void vrend_renderer_context_destroy(uint32_t handle)
{
struct vrend_decode_ctx *ctx;
bool ret;
if (handle >= VREND_MAX_CTX)
return;
ctx = dec_ctx[handle];
if (!ctx)
return;
dec_ctx[handle] = NULL;
ret = vrend_destroy_context(ctx->grctx);
free(ctx);
/* switch to ctx 0 */
if (ret && handle != 0)
vrend_hw_switch_context(dec_ctx[0]->grctx, true);
}
|
CWE-125
| 9,274 | 16,278 |
2374651562394890190204086795540328333
| null | null | null |
infradead
|
14cae65318d3ef1f7d449e463b72b6934e82f1c2
| 0 |
static int link_proto(int unit_nr, const char *devname, uint64_t flags)
{
int ip_fd, mux_id, tun2_fd;
struct lifreq ifr;
tun2_fd = open("/dev/tun", O_RDWR);
if (tun2_fd < 0) {
perror(_("Could not /dev/tun for plumbing"));
return -EIO;
}
if (ioctl(tun2_fd, I_PUSH, "ip") < 0) {
perror(_("Can't push IP"));
close(tun2_fd);
return -EIO;
}
sprintf(ifr.lifr_name, "tun%d", unit_nr);
ifr.lifr_ppa = unit_nr;
ifr.lifr_flags = flags;
if (ioctl(tun2_fd, SIOCSLIFNAME, &ifr) < 0) {
perror(_("Can't set ifname"));
close(tun2_fd);
return -1;
}
ip_fd = open(devname, O_RDWR);
if (ip_fd < 0) {
fprintf(stderr, _("Can't open %s: %s"), devname,
strerror(errno));
close(tun2_fd);
return -1;
}
mux_id = ioctl(ip_fd, I_LINK, tun2_fd);
if (mux_id < 0) {
fprintf(stderr, _("Can't plumb %s for IPv%d: %s\n"),
ifr.lifr_name, (flags == IFF_IPV4) ? 4 : 6,
strerror(errno));
close(tun2_fd);
close(ip_fd);
return -1;
}
close(tun2_fd);
return ip_fd;
}
|
CWE-119
| 9,303 | 16,302 |
266649861417152225414382855304892231112
| null | null | null |
infradead
|
14cae65318d3ef1f7d449e463b72b6934e82f1c2
| 0 |
static int netmasklen(struct in_addr addr)
{
int masklen;
for (masklen = 0; masklen < 32; masklen++) {
if (ntohl(addr.s_addr) >= (0xffffffff << masklen))
break;
}
return 32 - masklen;
}
|
CWE-119
| 9,304 | 16,303 |
288211670073701990555967399571840259276
| null | null | null |
infradead
|
14cae65318d3ef1f7d449e463b72b6934e82f1c2
| 0 |
static int os_setup_tun(struct openconnect_info *vpninfo)
{
int tun_fd;
#ifdef IFF_TUN /* Linux */
struct ifreq ifr;
int tunerr;
tun_fd = open("/dev/net/tun", O_RDWR);
if (tun_fd < 0) {
/* Android has /dev/tun instead of /dev/net/tun
Since other systems might have too, just try it
as a fallback instead of using ifdef __ANDROID__ */
tunerr = errno;
tun_fd = open("/dev/tun", O_RDWR);
}
if (tun_fd < 0) {
/* If the error on /dev/tun is ENOENT, that's boring.
Use the error we got on /dev/net/tun instead */
if (errno != -ENOENT)
tunerr = errno;
vpn_progress(vpninfo, PRG_ERR,
_("Failed to open tun device: %s\n"),
strerror(tunerr));
exit(1);
}
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
if (vpninfo->ifname)
strncpy(ifr.ifr_name, vpninfo->ifname,
sizeof(ifr.ifr_name) - 1);
if (ioctl(tun_fd, TUNSETIFF, (void *) &ifr) < 0) {
vpn_progress(vpninfo, PRG_ERR,
_("TUNSETIFF failed: %s\n"),
strerror(errno));
exit(1);
}
if (!vpninfo->ifname)
vpninfo->ifname = strdup(ifr.ifr_name);
#elif defined (__sun__)
static char tun_name[80];
int unit_nr;
tun_fd = open("/dev/tun", O_RDWR);
if (tun_fd < 0) {
perror(_("open /dev/tun"));
return -EIO;
}
unit_nr = ioctl(tun_fd, TUNNEWPPA, -1);
if (unit_nr < 0) {
perror(_("Failed to create new tun"));
close(tun_fd);
return -EIO;
}
if (ioctl(tun_fd, I_SRDOPT, RMSGD) < 0) {
perror(_("Failed to put tun file descriptor into message-discard mode"));
close(tun_fd);
return -EIO;
}
sprintf(tun_name, "tun%d", unit_nr);
vpninfo->ifname = strdup(tun_name);
vpninfo->ip_fd = link_proto(unit_nr, "/dev/udp", IFF_IPV4);
if (vpninfo->ip_fd < 0) {
close(tun_fd);
return -EIO;
}
if (vpninfo->vpn_addr6) {
vpninfo->ip6_fd = link_proto(unit_nr, "/dev/udp6", IFF_IPV6);
if (vpninfo->ip6_fd < 0) {
close(tun_fd);
close(vpninfo->ip_fd);
vpninfo->ip_fd = -1;
return -EIO;
}
} else
vpninfo->ip6_fd = -1;
#else /* BSD et al have /dev/tun$x devices */
static char tun_name[80];
int i;
for (i = 0; i < 255; i++) {
sprintf(tun_name, "/dev/tun%d", i);
tun_fd = open(tun_name, O_RDWR);
if (tun_fd >= 0)
break;
}
if (tun_fd < 0) {
perror(_("open tun"));
exit(1);
}
vpninfo->ifname = strdup(tun_name + 5);
#ifdef TUNSIFHEAD
i = 1;
if (ioctl(tun_fd, TUNSIFHEAD, &i) < 0) {
perror(_("TUNSIFHEAD"));
exit(1);
}
#endif
#endif
return tun_fd;
}
|
CWE-119
| 9,305 | 16,304 |
67744143599453604502316784153986369767
| null | null | null |
infradead
|
14cae65318d3ef1f7d449e463b72b6934e82f1c2
| 0 |
static int process_split_xxclude(struct openconnect_info *vpninfo,
int include, const char *route, int *v4_incs,
int *v6_incs)
{
struct in_addr addr;
const char *in_ex = include?"IN":"EX";
char envname[80];
char *slash;
slash = strchr(route, '/');
if (!slash) {
badinc:
if (include)
vpn_progress(vpninfo, PRG_ERR,
_("Discard bad split include: \"%s\"\n"),
route);
else
vpn_progress(vpninfo, PRG_ERR,
_("Discard bad split exclude: \"%s\"\n"),
route);
return -EINVAL;
}
*slash = 0;
if (strchr(route, ':')) {
snprintf(envname, 79, "CISCO_IPV6_SPLIT_%sC_%d_ADDR", in_ex,
*v6_incs);
setenv(envname, route, 1);
snprintf(envname, 79, "CISCO_IPV6_SPLIT_%sC_%d_MASKLEN", in_ex,
*v6_incs);
setenv(envname, slash+1, 1);
(*v6_incs)++;
return 0;
}
if (!inet_aton(route, &addr)) {
*slash = '/';
goto badinc;
}
envname[79] = 0;
snprintf(envname, 79, "CISCO_SPLIT_%sC_%d_ADDR", in_ex, *v4_incs);
setenv(envname, route, 1);
/* Put it back how we found it */
*slash = '/';
if (!inet_aton(slash+1, &addr))
goto badinc;
snprintf(envname, 79, "CISCO_SPLIT_%sC_%d_MASK", in_ex, *v4_incs);
setenv(envname, slash+1, 1);
snprintf(envname, 79, "CISCO_SPLIT_%sC_%d_MASKLEN", in_ex, *v4_incs);
setenv_int(envname, netmasklen(addr));
(*v4_incs)++;
return 0;
}
|
CWE-119
| 9,306 | 16,305 |
289749107440734637185187469207024839882
| null | null | null |
infradead
|
14cae65318d3ef1f7d449e463b72b6934e82f1c2
| 0 |
int script_config_tun(struct openconnect_info *vpninfo, const char *reason)
{
if (!vpninfo->vpnc_script)
return 0;
setenv("reason", reason, 1);
if (system(vpninfo->vpnc_script)) {
int e = errno;
vpn_progress(vpninfo, PRG_ERR,
_("Failed to spawn script '%s' for %s: %s\n"),
vpninfo->vpnc_script, reason, strerror(e));
return -e;
}
return 0;
}
|
CWE-119
| 9,307 | 16,306 |
142403838390108581347710389269341388296
| null | null | null |
infradead
|
14cae65318d3ef1f7d449e463b72b6934e82f1c2
| 0 |
static int set_tun_mtu(struct openconnect_info *vpninfo)
{
#ifndef __sun__ /* We don't know how to do this on Solaris */
struct ifreq ifr;
int net_fd;
net_fd = socket(PF_INET, SOCK_DGRAM, 0);
if (net_fd < 0) {
perror(_("open net"));
return -EINVAL;
}
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, vpninfo->ifname, sizeof(ifr.ifr_name) - 1);
ifr.ifr_mtu = vpninfo->mtu;
if (ioctl(net_fd, SIOCSIFMTU, &ifr) < 0)
perror(_("SIOCSIFMTU"));
close(net_fd);
#endif
return 0;
}
|
CWE-119
| 9,308 | 16,307 |
240752844978670346192914279214965154529
| null | null | null |
infradead
|
14cae65318d3ef1f7d449e463b72b6934e82f1c2
| 0 |
static void setenv_cstp_opts(struct openconnect_info *vpninfo)
{
char *env_buf;
int buflen = 0;
int bufofs = 0;
struct vpn_option *opt;
for (opt = vpninfo->cstp_options; opt; opt = opt->next)
buflen += 2 + strlen(opt->option) + strlen(opt->value);
env_buf = malloc(buflen + 1);
if (!env_buf)
return;
env_buf[buflen] = 0;
for (opt = vpninfo->cstp_options; opt; opt = opt->next)
bufofs += snprintf(env_buf + bufofs, buflen - bufofs,
"%s=%s\n", opt->option, opt->value);
setenv("CISCO_CSTP_OPTIONS", env_buf, 1);
free(env_buf);
}
|
CWE-119
| 9,309 | 16,308 |
148776727535281796125599150414720968361
| null | null | null |
infradead
|
14cae65318d3ef1f7d449e463b72b6934e82f1c2
| 0 |
static int setenv_int(const char *opt, int value)
{
char buf[16];
sprintf(buf, "%d", value);
return setenv(opt, buf, 1);
}
|
CWE-119
| 9,310 | 16,309 |
32903752538523851182646448779456162695
| null | null | null |
infradead
|
14cae65318d3ef1f7d449e463b72b6934e82f1c2
| 0 |
int setup_tun(struct openconnect_info *vpninfo)
{
int tun_fd;
set_script_env(vpninfo);
if (vpninfo->script_tun) {
pid_t child;
int fds[2];
if (socketpair(AF_UNIX, SOCK_DGRAM, 0, fds)) {
perror(_("socketpair"));
exit(1);
}
tun_fd = fds[0];
child = fork();
if (child < 0) {
perror(_("fork"));
exit(1);
} else if (!child) {
close(tun_fd);
setenv_int("VPNFD", fds[1]);
execl("/bin/sh", "/bin/sh", "-c", vpninfo->vpnc_script, NULL);
perror(_("execl"));
exit(1);
}
close(fds[1]);
vpninfo->script_tun = child;
vpninfo->ifname = strdup(_("(script)"));
} else {
script_config_tun(vpninfo, "pre-init");
tun_fd = os_setup_tun(vpninfo);
if (tun_fd < 0)
return tun_fd;
setenv("TUNDEV", vpninfo->ifname, 1);
script_config_tun(vpninfo, "connect");
/* Ancient vpnc-scripts might not get this right */
set_tun_mtu(vpninfo);
}
fcntl(tun_fd, F_SETFD, FD_CLOEXEC);
vpninfo->tun_fd = tun_fd;
if (vpninfo->select_nfds <= tun_fd)
vpninfo->select_nfds = tun_fd + 1;
FD_SET(tun_fd, &vpninfo->select_rfds);
fcntl(vpninfo->tun_fd, F_SETFL, fcntl(vpninfo->tun_fd, F_GETFL) | O_NONBLOCK);
return 0;
}
|
CWE-119
| 9,311 | 16,310 |
73279837977108232202932940919682148452
| null | null | null |
infradead
|
14cae65318d3ef1f7d449e463b72b6934e82f1c2
| 0 |
void shutdown_tun(struct openconnect_info *vpninfo)
{
if (vpninfo->script_tun) {
kill(vpninfo->script_tun, SIGHUP);
} else {
script_config_tun(vpninfo, "disconnect");
#ifdef __sun__
close(vpninfo->ip_fd);
vpninfo->ip_fd = -1;
if (vpninfo->ip6_fd != -1) {
close(vpninfo->ip6_fd);
vpninfo->ip6_fd = -1;
}
#endif
}
close(vpninfo->tun_fd);
vpninfo->tun_fd = -1;
}
|
CWE-119
| 9,312 | 16,311 |
36549913052764548900102788498494492712
| null | null | null |
infradead
|
14cae65318d3ef1f7d449e463b72b6934e82f1c2
| 0 |
int tun_mainloop(struct openconnect_info *vpninfo, int *timeout)
{
int work_done = 0;
int prefix_size = 0;
#ifdef TUN_HAS_AF_PREFIX
if (!vpninfo->script_tun)
prefix_size = sizeof(int);
#endif
if (FD_ISSET(vpninfo->tun_fd, &vpninfo->select_rfds)) {
while (1) {
int len = vpninfo->mtu;
if (!out_pkt) {
out_pkt = malloc(sizeof(struct pkt) + len);
if (!out_pkt) {
vpn_progress(vpninfo, PRG_ERR, "Allocation failed\n");
break;
}
}
len = read(vpninfo->tun_fd, out_pkt->data - prefix_size, len + prefix_size);
if (len <= prefix_size)
break;
out_pkt->len = len - prefix_size;
queue_packet(&vpninfo->outgoing_queue, out_pkt);
out_pkt = NULL;
work_done = 1;
vpninfo->outgoing_qlen++;
if (vpninfo->outgoing_qlen == vpninfo->max_qlen) {
FD_CLR(vpninfo->tun_fd, &vpninfo->select_rfds);
break;
}
}
} else if (vpninfo->outgoing_qlen < vpninfo->max_qlen) {
FD_SET(vpninfo->tun_fd, &vpninfo->select_rfds);
}
/* The kernel returns -ENOMEM when the queue is full, so theoretically
we could handle that and retry... but it doesn't let us poll() for
the no-longer-full situation, so let's not bother. */
while (vpninfo->incoming_queue) {
struct pkt *this = vpninfo->incoming_queue;
unsigned char *data = this->data;
int len = this->len;
#ifdef TUN_HAS_AF_PREFIX
if (!vpninfo->script_tun) {
struct ip *iph = (void *)data;
int type;
if (iph->ip_v == 6)
type = AF_INET6;
else if (iph->ip_v == 4)
type = AF_INET;
else {
static int complained = 0;
if (!complained) {
complained = 1;
vpn_progress(vpninfo, PRG_ERR,
_("Unknown packet (len %d) received: %02x %02x %02x %02x...\n"),
len, data[0], data[1], data[2], data[3]);
}
free(this);
continue;
}
data -= 4;
len += 4;
*(int *)data = htonl(type);
}
#endif
vpninfo->incoming_queue = this->next;
if (write(vpninfo->tun_fd, data, len) < 0) {
/* Handle death of "script" socket */
if (vpninfo->script_tun && errno == ENOTCONN) {
vpninfo->quit_reason = "Client connection terminated";
return 1;
}
vpn_progress(vpninfo, PRG_ERR,
_("Failed to write incoming packet: %s\n"),
strerror(errno));
}
free(this);
}
/* Work is not done if we just got rid of packets off the queue */
return work_done;
}
|
CWE-119
| 9,313 | 16,312 |
328773527450457035409069818164053314374
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf,
unsigned char *limit)
{
int extdatalen = 0;
unsigned char *orig = buf;
unsigned char *ret = buf;
/* don't add extensions for SSLv3 unless doing secure renegotiation */
if (s->client_version == SSL3_VERSION && !s->s3->send_connection_binding)
return orig;
ret += 2;
if (ret >= limit)
return NULL; /* this really never occurs, but ... */
if (s->tlsext_hostname != NULL) {
/* Add TLS extension servername to the Client Hello message */
unsigned long size_str;
long lenmax;
/*-
* check for enough space.
* 4 for the servername type and entension length
* 2 for servernamelist length
* 1 for the hostname type
* 2 for hostname length
* + hostname length
*/
if ((lenmax = limit - ret - 9) < 0
|| (size_str =
strlen(s->tlsext_hostname)) > (unsigned long)lenmax)
return NULL;
/* extension type and length */
s2n(TLSEXT_TYPE_server_name, ret);
s2n(size_str + 5, ret);
/* length of servername list */
s2n(size_str + 3, ret);
/* hostname type, length and hostname */
*(ret++) = (unsigned char)TLSEXT_NAMETYPE_host_name;
s2n(size_str, ret);
memcpy(ret, s->tlsext_hostname, size_str);
ret += size_str;
}
/* Add RI if renegotiating */
if (s->renegotiate) {
int el;
if (!ssl_add_clienthello_renegotiate_ext(s, 0, &el, 0)) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
if ((limit - ret - 4 - el) < 0)
return NULL;
s2n(TLSEXT_TYPE_renegotiate, ret);
s2n(el, ret);
if (!ssl_add_clienthello_renegotiate_ext(s, ret, &el, el)) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
ret += el;
}
# ifndef OPENSSL_NO_SRP
/* Add SRP username if there is one */
if (s->srp_ctx.login != NULL) { /* Add TLS extension SRP username to the
* Client Hello message */
int login_len = strlen(s->srp_ctx.login);
if (login_len > 255 || login_len == 0) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
/*-
* check for enough space.
* 4 for the srp type type and entension length
* 1 for the srp user identity
* + srp user identity length
*/
if ((limit - ret - 5 - login_len) < 0)
return NULL;
/* fill in the extension */
s2n(TLSEXT_TYPE_srp, ret);
s2n(login_len + 1, ret);
(*ret++) = (unsigned char)login_len;
memcpy(ret, s->srp_ctx.login, login_len);
ret += login_len;
}
# endif
# ifndef OPENSSL_NO_EC
if (s->tlsext_ecpointformatlist != NULL) {
/*
* Add TLS extension ECPointFormats to the ClientHello message
*/
long lenmax;
if ((lenmax = limit - ret - 5) < 0)
return NULL;
if (s->tlsext_ecpointformatlist_length > (unsigned long)lenmax)
return NULL;
if (s->tlsext_ecpointformatlist_length > 255) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
s2n(TLSEXT_TYPE_ec_point_formats, ret);
s2n(s->tlsext_ecpointformatlist_length + 1, ret);
*(ret++) = (unsigned char)s->tlsext_ecpointformatlist_length;
memcpy(ret, s->tlsext_ecpointformatlist,
s->tlsext_ecpointformatlist_length);
ret += s->tlsext_ecpointformatlist_length;
}
if (s->tlsext_ellipticcurvelist != NULL) {
/*
* Add TLS extension EllipticCurves to the ClientHello message
*/
long lenmax;
if ((lenmax = limit - ret - 6) < 0)
return NULL;
if (s->tlsext_ellipticcurvelist_length > (unsigned long)lenmax)
return NULL;
if (s->tlsext_ellipticcurvelist_length > 65532) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
s2n(TLSEXT_TYPE_elliptic_curves, ret);
s2n(s->tlsext_ellipticcurvelist_length + 2, ret);
s2n(s->tlsext_ellipticcurvelist_length, ret);
memcpy(ret, s->tlsext_ellipticcurvelist,
s->tlsext_ellipticcurvelist_length);
ret += s->tlsext_ellipticcurvelist_length;
}
# endif /* OPENSSL_NO_EC */
if (!(SSL_get_options(s) & SSL_OP_NO_TICKET)) {
int ticklen;
if (!s->new_session && s->session && s->session->tlsext_tick)
ticklen = s->session->tlsext_ticklen;
else if (s->session && s->tlsext_session_ticket &&
s->tlsext_session_ticket->data) {
ticklen = s->tlsext_session_ticket->length;
s->session->tlsext_tick = OPENSSL_malloc(ticklen);
if (!s->session->tlsext_tick)
return NULL;
memcpy(s->session->tlsext_tick,
s->tlsext_session_ticket->data, ticklen);
s->session->tlsext_ticklen = ticklen;
} else
ticklen = 0;
if (ticklen == 0 && s->tlsext_session_ticket &&
s->tlsext_session_ticket->data == NULL)
goto skip_ext;
/*
* Check for enough room 2 for extension type, 2 for len rest for
* ticket
*/
if ((long)(limit - ret - 4 - ticklen) < 0)
return NULL;
s2n(TLSEXT_TYPE_session_ticket, ret);
s2n(ticklen, ret);
if (ticklen) {
memcpy(ret, s->session->tlsext_tick, ticklen);
ret += ticklen;
}
}
skip_ext:
if (TLS1_get_client_version(s) >= TLS1_2_VERSION) {
if ((size_t)(limit - ret) < sizeof(tls12_sigalgs) + 6)
return NULL;
s2n(TLSEXT_TYPE_signature_algorithms, ret);
s2n(sizeof(tls12_sigalgs) + 2, ret);
s2n(sizeof(tls12_sigalgs), ret);
memcpy(ret, tls12_sigalgs, sizeof(tls12_sigalgs));
ret += sizeof(tls12_sigalgs);
}
# ifdef TLSEXT_TYPE_opaque_prf_input
if (s->s3->client_opaque_prf_input != NULL && s->version != DTLS1_VERSION) {
size_t col = s->s3->client_opaque_prf_input_len;
if ((long)(limit - ret - 6 - col < 0))
return NULL;
if (col > 0xFFFD) /* can't happen */
return NULL;
s2n(TLSEXT_TYPE_opaque_prf_input, ret);
s2n(col + 2, ret);
s2n(col, ret);
memcpy(ret, s->s3->client_opaque_prf_input, col);
ret += col;
}
# endif
if (s->tlsext_status_type == TLSEXT_STATUSTYPE_ocsp &&
s->version != DTLS1_VERSION) {
int i;
long extlen, idlen, itmp;
OCSP_RESPID *id;
idlen = 0;
for (i = 0; i < sk_OCSP_RESPID_num(s->tlsext_ocsp_ids); i++) {
id = sk_OCSP_RESPID_value(s->tlsext_ocsp_ids, i);
itmp = i2d_OCSP_RESPID(id, NULL);
if (itmp <= 0)
return NULL;
idlen += itmp + 2;
}
if (s->tlsext_ocsp_exts) {
extlen = i2d_X509_EXTENSIONS(s->tlsext_ocsp_exts, NULL);
if (extlen < 0)
return NULL;
} else
extlen = 0;
if ((long)(limit - ret - 7 - extlen - idlen) < 0)
return NULL;
s2n(TLSEXT_TYPE_status_request, ret);
if (extlen + idlen > 0xFFF0)
return NULL;
s2n(extlen + idlen + 5, ret);
*(ret++) = TLSEXT_STATUSTYPE_ocsp;
s2n(idlen, ret);
for (i = 0; i < sk_OCSP_RESPID_num(s->tlsext_ocsp_ids); i++) {
/* save position of id len */
unsigned char *q = ret;
id = sk_OCSP_RESPID_value(s->tlsext_ocsp_ids, i);
/* skip over id len */
ret += 2;
itmp = i2d_OCSP_RESPID(id, &ret);
/* write id len */
s2n(itmp, q);
}
s2n(extlen, ret);
if (extlen > 0)
i2d_X509_EXTENSIONS(s->tlsext_ocsp_exts, &ret);
}
# ifndef OPENSSL_NO_HEARTBEATS
/* Add Heartbeat extension */
if ((limit - ret - 4 - 1) < 0)
return NULL;
s2n(TLSEXT_TYPE_heartbeat, ret);
s2n(1, ret);
/*-
* Set mode:
* 1: peer may send requests
* 2: peer not allowed to send requests
*/
if (s->tlsext_heartbeat & SSL_TLSEXT_HB_DONT_RECV_REQUESTS)
*(ret++) = SSL_TLSEXT_HB_DONT_SEND_REQUESTS;
else
*(ret++) = SSL_TLSEXT_HB_ENABLED;
# endif
# ifndef OPENSSL_NO_NEXTPROTONEG
if (s->ctx->next_proto_select_cb && !s->s3->tmp.finish_md_len) {
/*
* The client advertises an emtpy extension to indicate its support
* for Next Protocol Negotiation
*/
if (limit - ret - 4 < 0)
return NULL;
s2n(TLSEXT_TYPE_next_proto_neg, ret);
s2n(0, ret);
}
# endif
# ifndef OPENSSL_NO_SRTP
if (SSL_IS_DTLS(s) && SSL_get_srtp_profiles(s)) {
int el;
ssl_add_clienthello_use_srtp_ext(s, 0, &el, 0);
if ((limit - ret - 4 - el) < 0)
return NULL;
s2n(TLSEXT_TYPE_use_srtp, ret);
s2n(el, ret);
if (ssl_add_clienthello_use_srtp_ext(s, ret, &el, el)) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
ret += el;
}
# endif
/*
* Add padding to workaround bugs in F5 terminators. See
* https://tools.ietf.org/html/draft-agl-tls-padding-03 NB: because this
* code works out the length of all existing extensions it MUST always
* appear last.
*/
if (s->options & SSL_OP_TLSEXT_PADDING) {
int hlen = ret - (unsigned char *)s->init_buf->data;
/*
* The code in s23_clnt.c to build ClientHello messages includes the
* 5-byte record header in the buffer, while the code in s3_clnt.c
* does not.
*/
if (s->state == SSL23_ST_CW_CLNT_HELLO_A)
hlen -= 5;
if (hlen > 0xff && hlen < 0x200) {
hlen = 0x200 - hlen;
if (hlen >= 4)
hlen -= 4;
else
hlen = 0;
s2n(TLSEXT_TYPE_padding, ret);
s2n(hlen, ret);
memset(ret, 0, hlen);
ret += hlen;
}
}
if ((extdatalen = ret - orig - 2) == 0)
return orig;
s2n(extdatalen, orig);
return ret;
}
|
CWE-399
| 9,393 | 16,356 |
265156541683119666774515816548310813281
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf,
unsigned char *limit)
{
int extdatalen = 0;
unsigned char *orig = buf;
unsigned char *ret = buf;
# ifndef OPENSSL_NO_NEXTPROTONEG
int next_proto_neg_seen;
# endif
/*
* don't add extensions for SSLv3, unless doing secure renegotiation
*/
if (s->version == SSL3_VERSION && !s->s3->send_connection_binding)
return orig;
ret += 2;
if (ret >= limit)
return NULL; /* this really never occurs, but ... */
if (!s->hit && s->servername_done == 1
&& s->session->tlsext_hostname != NULL) {
if ((long)(limit - ret - 4) < 0)
return NULL;
s2n(TLSEXT_TYPE_server_name, ret);
s2n(0, ret);
}
if (s->s3->send_connection_binding) {
int el;
if (!ssl_add_serverhello_renegotiate_ext(s, 0, &el, 0)) {
SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
if ((limit - ret - 4 - el) < 0)
return NULL;
s2n(TLSEXT_TYPE_renegotiate, ret);
s2n(el, ret);
if (!ssl_add_serverhello_renegotiate_ext(s, ret, &el, el)) {
SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
ret += el;
}
# ifndef OPENSSL_NO_EC
if (s->tlsext_ecpointformatlist != NULL) {
/*
* Add TLS extension ECPointFormats to the ServerHello message
*/
long lenmax;
if ((lenmax = limit - ret - 5) < 0)
return NULL;
if (s->tlsext_ecpointformatlist_length > (unsigned long)lenmax)
return NULL;
if (s->tlsext_ecpointformatlist_length > 255) {
SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
s2n(TLSEXT_TYPE_ec_point_formats, ret);
s2n(s->tlsext_ecpointformatlist_length + 1, ret);
*(ret++) = (unsigned char)s->tlsext_ecpointformatlist_length;
memcpy(ret, s->tlsext_ecpointformatlist,
s->tlsext_ecpointformatlist_length);
ret += s->tlsext_ecpointformatlist_length;
}
/*
* Currently the server should not respond with a SupportedCurves
* extension
*/
# endif /* OPENSSL_NO_EC */
if (s->tlsext_ticket_expected && !(SSL_get_options(s) & SSL_OP_NO_TICKET)) {
if ((long)(limit - ret - 4) < 0)
return NULL;
s2n(TLSEXT_TYPE_session_ticket, ret);
s2n(0, ret);
}
if (s->tlsext_status_expected) {
if ((long)(limit - ret - 4) < 0)
return NULL;
s2n(TLSEXT_TYPE_status_request, ret);
s2n(0, ret);
}
# ifdef TLSEXT_TYPE_opaque_prf_input
if (s->s3->server_opaque_prf_input != NULL && s->version != DTLS1_VERSION) {
size_t sol = s->s3->server_opaque_prf_input_len;
if ((long)(limit - ret - 6 - sol) < 0)
return NULL;
if (sol > 0xFFFD) /* can't happen */
return NULL;
s2n(TLSEXT_TYPE_opaque_prf_input, ret);
s2n(sol + 2, ret);
s2n(sol, ret);
memcpy(ret, s->s3->server_opaque_prf_input, sol);
ret += sol;
}
# endif
# ifndef OPENSSL_NO_SRTP
if (SSL_IS_DTLS(s) && s->srtp_profile) {
int el;
ssl_add_serverhello_use_srtp_ext(s, 0, &el, 0);
if ((limit - ret - 4 - el) < 0)
return NULL;
s2n(TLSEXT_TYPE_use_srtp, ret);
s2n(el, ret);
if (ssl_add_serverhello_use_srtp_ext(s, ret, &el, el)) {
SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
ret += el;
}
# endif
if (((s->s3->tmp.new_cipher->id & 0xFFFF) == 0x80
|| (s->s3->tmp.new_cipher->id & 0xFFFF) == 0x81)
&& (SSL_get_options(s) & SSL_OP_CRYPTOPRO_TLSEXT_BUG)) {
const unsigned char cryptopro_ext[36] = {
0xfd, 0xe8, /* 65000 */
0x00, 0x20, /* 32 bytes length */
0x30, 0x1e, 0x30, 0x08, 0x06, 0x06, 0x2a, 0x85,
0x03, 0x02, 0x02, 0x09, 0x30, 0x08, 0x06, 0x06,
0x2a, 0x85, 0x03, 0x02, 0x02, 0x16, 0x30, 0x08,
0x06, 0x06, 0x2a, 0x85, 0x03, 0x02, 0x02, 0x17
};
if (limit - ret < 36)
return NULL;
memcpy(ret, cryptopro_ext, 36);
ret += 36;
}
# ifndef OPENSSL_NO_HEARTBEATS
/* Add Heartbeat extension if we've received one */
if (s->tlsext_heartbeat & SSL_TLSEXT_HB_ENABLED) {
if ((limit - ret - 4 - 1) < 0)
return NULL;
s2n(TLSEXT_TYPE_heartbeat, ret);
s2n(1, ret);
/*-
* Set mode:
* 1: peer may send requests
* 2: peer not allowed to send requests
*/
if (s->tlsext_heartbeat & SSL_TLSEXT_HB_DONT_RECV_REQUESTS)
*(ret++) = SSL_TLSEXT_HB_DONT_SEND_REQUESTS;
else
*(ret++) = SSL_TLSEXT_HB_ENABLED;
}
# endif
# ifndef OPENSSL_NO_NEXTPROTONEG
next_proto_neg_seen = s->s3->next_proto_neg_seen;
s->s3->next_proto_neg_seen = 0;
if (next_proto_neg_seen && s->ctx->next_protos_advertised_cb) {
const unsigned char *npa;
unsigned int npalen;
int r;
r = s->ctx->next_protos_advertised_cb(s, &npa, &npalen,
s->
ctx->next_protos_advertised_cb_arg);
if (r == SSL_TLSEXT_ERR_OK) {
if ((long)(limit - ret - 4 - npalen) < 0)
return NULL;
s2n(TLSEXT_TYPE_next_proto_neg, ret);
s2n(npalen, ret);
memcpy(ret, npa, npalen);
ret += npalen;
s->s3->next_proto_neg_seen = 1;
}
}
# endif
if ((extdatalen = ret - orig - 2) == 0)
return orig;
s2n(extdatalen, orig);
return ret;
}
|
CWE-399
| 9,394 | 16,357 |
141748100890163086542410091874474763513
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int ssl_check_clienthello_tlsext_early(SSL *s)
{
int ret = SSL_TLSEXT_ERR_NOACK;
int al = SSL_AD_UNRECOGNIZED_NAME;
# ifndef OPENSSL_NO_EC
/*
* The handling of the ECPointFormats extension is done elsewhere, namely
* in ssl3_choose_cipher in s3_lib.c.
*/
/*
* The handling of the EllipticCurves extension is done elsewhere, namely
* in ssl3_choose_cipher in s3_lib.c.
*/
# endif
if (s->ctx != NULL && s->ctx->tlsext_servername_callback != 0)
ret =
s->ctx->tlsext_servername_callback(s, &al,
s->ctx->tlsext_servername_arg);
else if (s->initial_ctx != NULL
&& s->initial_ctx->tlsext_servername_callback != 0)
ret =
s->initial_ctx->tlsext_servername_callback(s, &al,
s->
initial_ctx->tlsext_servername_arg);
# ifdef TLSEXT_TYPE_opaque_prf_input
{
/*
* This sort of belongs into ssl_prepare_serverhello_tlsext(), but we
* might be sending an alert in response to the client hello, so this
* has to happen here in ssl_check_clienthello_tlsext_early().
*/
int r = 1;
if (s->ctx->tlsext_opaque_prf_input_callback != 0) {
r = s->ctx->tlsext_opaque_prf_input_callback(s, NULL, 0,
s->
ctx->tlsext_opaque_prf_input_callback_arg);
if (!r) {
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
al = SSL_AD_INTERNAL_ERROR;
goto err;
}
}
if (s->s3->server_opaque_prf_input != NULL) {
/* shouldn't really happen */
OPENSSL_free(s->s3->server_opaque_prf_input);
}
s->s3->server_opaque_prf_input = NULL;
if (s->tlsext_opaque_prf_input != NULL) {
if (s->s3->client_opaque_prf_input != NULL &&
s->s3->client_opaque_prf_input_len ==
s->tlsext_opaque_prf_input_len) {
/*
* can only use this extension if we have a server opaque PRF
* input of the same length as the client opaque PRF input!
*/
if (s->tlsext_opaque_prf_input_len == 0) {
/* dummy byte just to get non-NULL */
s->s3->server_opaque_prf_input = OPENSSL_malloc(1);
} else {
s->s3->server_opaque_prf_input =
BUF_memdup(s->tlsext_opaque_prf_input,
s->tlsext_opaque_prf_input_len);
}
if (s->s3->server_opaque_prf_input == NULL) {
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
al = SSL_AD_INTERNAL_ERROR;
goto err;
}
s->s3->server_opaque_prf_input_len =
s->tlsext_opaque_prf_input_len;
}
}
if (r == 2 && s->s3->server_opaque_prf_input == NULL) {
/*
* The callback wants to enforce use of the extension, but we
* can't do that with the client opaque PRF input; abort the
* handshake.
*/
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
al = SSL_AD_HANDSHAKE_FAILURE;
}
}
err:
# endif
switch (ret) {
case SSL_TLSEXT_ERR_ALERT_FATAL:
ssl3_send_alert(s, SSL3_AL_FATAL, al);
return -1;
case SSL_TLSEXT_ERR_ALERT_WARNING:
ssl3_send_alert(s, SSL3_AL_WARNING, al);
return 1;
case SSL_TLSEXT_ERR_NOACK:
s->servername_done = 0;
default:
return 1;
}
}
|
CWE-399
| 9,395 | 16,358 |
115917008654524022170497601687259360060
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int ssl_check_clienthello_tlsext_late(SSL *s)
{
int ret = SSL_TLSEXT_ERR_OK;
int al;
/*
* If status request then ask callback what to do. Note: this must be
* called after servername callbacks in case the certificate has
* changed, and must be called after the cipher has been chosen because
* this may influence which certificate is sent
*/
if ((s->tlsext_status_type != -1) && s->ctx && s->ctx->tlsext_status_cb) {
int r;
CERT_PKEY *certpkey;
certpkey = ssl_get_server_send_pkey(s);
/* If no certificate can't return certificate status */
if (certpkey == NULL) {
s->tlsext_status_expected = 0;
return 1;
}
/*
* Set current certificate to one we will use so SSL_get_certificate
* et al can pick it up.
*/
s->cert->key = certpkey;
r = s->ctx->tlsext_status_cb(s, s->ctx->tlsext_status_arg);
switch (r) {
/* We don't want to send a status request response */
case SSL_TLSEXT_ERR_NOACK:
s->tlsext_status_expected = 0;
break;
/* status request response should be sent */
case SSL_TLSEXT_ERR_OK:
if (s->tlsext_ocsp_resp)
s->tlsext_status_expected = 1;
else
s->tlsext_status_expected = 0;
break;
/* something bad happened */
case SSL_TLSEXT_ERR_ALERT_FATAL:
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
al = SSL_AD_INTERNAL_ERROR;
goto err;
}
} else
s->tlsext_status_expected = 0;
err:
switch (ret) {
case SSL_TLSEXT_ERR_ALERT_FATAL:
ssl3_send_alert(s, SSL3_AL_FATAL, al);
return -1;
case SSL_TLSEXT_ERR_ALERT_WARNING:
ssl3_send_alert(s, SSL3_AL_WARNING, al);
return 1;
default:
return 1;
}
}
|
CWE-399
| 9,396 | 16,359 |
283894878608128405183399598140834734610
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
static void ssl_check_for_safari(SSL *s, const unsigned char *data,
const unsigned char *limit)
{
unsigned short type, size;
static const unsigned char kSafariExtensionsBlock[] = {
0x00, 0x0a, /* elliptic_curves extension */
0x00, 0x08, /* 8 bytes */
0x00, 0x06, /* 6 bytes of curve ids */
0x00, 0x17, /* P-256 */
0x00, 0x18, /* P-384 */
0x00, 0x19, /* P-521 */
0x00, 0x0b, /* ec_point_formats */
0x00, 0x02, /* 2 bytes */
0x01, /* 1 point format */
0x00, /* uncompressed */
};
/* The following is only present in TLS 1.2 */
static const unsigned char kSafariTLS12ExtensionsBlock[] = {
0x00, 0x0d, /* signature_algorithms */
0x00, 0x0c, /* 12 bytes */
0x00, 0x0a, /* 10 bytes */
0x05, 0x01, /* SHA-384/RSA */
0x04, 0x01, /* SHA-256/RSA */
0x02, 0x01, /* SHA-1/RSA */
0x04, 0x03, /* SHA-256/ECDSA */
0x02, 0x03, /* SHA-1/ECDSA */
};
if (limit - data <= 2)
return;
data += 2;
if (limit - data < 4)
return;
n2s(data, type);
n2s(data, size);
if (type != TLSEXT_TYPE_server_name)
return;
if (limit - data < size)
return;
data += size;
if (TLS1_get_client_version(s) >= TLS1_2_VERSION) {
const size_t len1 = sizeof(kSafariExtensionsBlock);
const size_t len2 = sizeof(kSafariTLS12ExtensionsBlock);
if (limit - data != (int)(len1 + len2))
return;
if (memcmp(data, kSafariExtensionsBlock, len1) != 0)
return;
if (memcmp(data + len1, kSafariTLS12ExtensionsBlock, len2) != 0)
return;
} else {
const size_t len = sizeof(kSafariExtensionsBlock);
if (limit - data != (int)(len))
return;
if (memcmp(data, kSafariExtensionsBlock, len) != 0)
return;
}
s->s3->is_probably_safari = 1;
}
|
CWE-399
| 9,397 | 16,360 |
308756757660561622073317012288421902295
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int ssl_check_serverhello_tlsext(SSL *s)
{
int ret = SSL_TLSEXT_ERR_NOACK;
int al = SSL_AD_UNRECOGNIZED_NAME;
# ifndef OPENSSL_NO_EC
/*
* If we are client and using an elliptic curve cryptography cipher
* suite, then if server returns an EC point formats lists extension it
* must contain uncompressed.
*/
unsigned long alg_k = s->s3->tmp.new_cipher->algorithm_mkey;
unsigned long alg_a = s->s3->tmp.new_cipher->algorithm_auth;
if ((s->tlsext_ecpointformatlist != NULL)
&& (s->tlsext_ecpointformatlist_length > 0)
&& (s->session->tlsext_ecpointformatlist != NULL)
&& (s->session->tlsext_ecpointformatlist_length > 0)
&& ((alg_k & (SSL_kEECDH | SSL_kECDHr | SSL_kECDHe))
|| (alg_a & SSL_aECDSA))) {
/* we are using an ECC cipher */
size_t i;
unsigned char *list;
int found_uncompressed = 0;
list = s->session->tlsext_ecpointformatlist;
for (i = 0; i < s->session->tlsext_ecpointformatlist_length; i++) {
if (*(list++) == TLSEXT_ECPOINTFORMAT_uncompressed) {
found_uncompressed = 1;
break;
}
}
if (!found_uncompressed) {
SSLerr(SSL_F_SSL_CHECK_SERVERHELLO_TLSEXT,
SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST);
return -1;
}
}
ret = SSL_TLSEXT_ERR_OK;
# endif /* OPENSSL_NO_EC */
if (s->ctx != NULL && s->ctx->tlsext_servername_callback != 0)
ret =
s->ctx->tlsext_servername_callback(s, &al,
s->ctx->tlsext_servername_arg);
else if (s->initial_ctx != NULL
&& s->initial_ctx->tlsext_servername_callback != 0)
ret =
s->initial_ctx->tlsext_servername_callback(s, &al,
s->
initial_ctx->tlsext_servername_arg);
# ifdef TLSEXT_TYPE_opaque_prf_input
if (s->s3->server_opaque_prf_input_len > 0) {
/*
* This case may indicate that we, as a client, want to insist on
* using opaque PRF inputs. So first verify that we really have a
* value from the server too.
*/
if (s->s3->server_opaque_prf_input == NULL) {
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
al = SSL_AD_HANDSHAKE_FAILURE;
}
/*
* Anytime the server *has* sent an opaque PRF input, we need to
* check that we have a client opaque PRF input of the same size.
*/
if (s->s3->client_opaque_prf_input == NULL ||
s->s3->client_opaque_prf_input_len !=
s->s3->server_opaque_prf_input_len) {
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
al = SSL_AD_ILLEGAL_PARAMETER;
}
}
# endif
OPENSSL_free(s->tlsext_ocsp_resp);
s->tlsext_ocsp_resp = NULL;
s->tlsext_ocsp_resplen = -1;
/*
* If we've requested certificate status and we wont get one tell the
* callback
*/
if ((s->tlsext_status_type != -1) && !(s->tlsext_status_expected)
&& !(s->hit) && s->ctx && s->ctx->tlsext_status_cb) {
int r;
/*
* Call callback with resp == NULL and resplen == -1 so callback
* knows there is no response
*/
r = s->ctx->tlsext_status_cb(s, s->ctx->tlsext_status_arg);
if (r == 0) {
al = SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE;
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
}
if (r < 0) {
al = SSL_AD_INTERNAL_ERROR;
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
}
}
switch (ret) {
case SSL_TLSEXT_ERR_ALERT_FATAL:
ssl3_send_alert(s, SSL3_AL_FATAL, al);
return -1;
case SSL_TLSEXT_ERR_ALERT_WARNING:
ssl3_send_alert(s, SSL3_AL_WARNING, al);
return 1;
case SSL_TLSEXT_ERR_NOACK:
s->servername_done = 0;
default:
return 1;
}
}
|
CWE-399
| 9,398 | 16,361 |
223565521743445274884721788390059763261
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **p, unsigned char *d,
int n, int *al)
{
unsigned short length;
unsigned short type;
unsigned short size;
unsigned char *data = *p;
int tlsext_servername = 0;
int renegotiate_seen = 0;
# ifndef OPENSSL_NO_NEXTPROTONEG
s->s3->next_proto_neg_seen = 0;
# endif
s->tlsext_ticket_expected = 0;
# ifndef OPENSSL_NO_HEARTBEATS
s->tlsext_heartbeat &= ~(SSL_TLSEXT_HB_ENABLED |
SSL_TLSEXT_HB_DONT_SEND_REQUESTS);
# endif
if ((d + n) - data <= 2)
goto ri_check;
n2s(data, length);
if ((d + n) - data != length) {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
while ((d + n) - data >= 4) {
n2s(data, type);
n2s(data, size);
if ((d + n) - data < size)
goto ri_check;
if (s->tlsext_debug_cb)
s->tlsext_debug_cb(s, 1, type, data, size, s->tlsext_debug_arg);
if (type == TLSEXT_TYPE_server_name) {
if (s->tlsext_hostname == NULL || size > 0) {
*al = TLS1_AD_UNRECOGNIZED_NAME;
return 0;
}
tlsext_servername = 1;
}
# ifndef OPENSSL_NO_EC
else if (type == TLSEXT_TYPE_ec_point_formats) {
unsigned char *sdata = data;
int ecpointformatlist_length = *(sdata++);
if (ecpointformatlist_length != size - 1 ||
ecpointformatlist_length < 1) {
*al = TLS1_AD_DECODE_ERROR;
return 0;
}
if (!s->hit) {
s->session->tlsext_ecpointformatlist_length = 0;
if (s->session->tlsext_ecpointformatlist != NULL)
OPENSSL_free(s->session->tlsext_ecpointformatlist);
if ((s->session->tlsext_ecpointformatlist =
OPENSSL_malloc(ecpointformatlist_length)) == NULL) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
s->session->tlsext_ecpointformatlist_length =
ecpointformatlist_length;
memcpy(s->session->tlsext_ecpointformatlist, sdata,
ecpointformatlist_length);
}
# if 0
fprintf(stderr,
"ssl_parse_serverhello_tlsext s->session->tlsext_ecpointformatlist ");
sdata = s->session->tlsext_ecpointformatlist;
for (i = 0; i < s->session->tlsext_ecpointformatlist_length; i++)
fprintf(stderr, "%i ", *(sdata++));
fprintf(stderr, "\n");
# endif
}
# endif /* OPENSSL_NO_EC */
else if (type == TLSEXT_TYPE_session_ticket) {
if (s->tls_session_ticket_ext_cb &&
!s->tls_session_ticket_ext_cb(s, data, size,
s->tls_session_ticket_ext_cb_arg))
{
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
if ((SSL_get_options(s) & SSL_OP_NO_TICKET)
|| (size > 0)) {
*al = TLS1_AD_UNSUPPORTED_EXTENSION;
return 0;
}
s->tlsext_ticket_expected = 1;
}
# ifdef TLSEXT_TYPE_opaque_prf_input
else if (type == TLSEXT_TYPE_opaque_prf_input &&
s->version != DTLS1_VERSION) {
unsigned char *sdata = data;
if (size < 2) {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
n2s(sdata, s->s3->server_opaque_prf_input_len);
if (s->s3->server_opaque_prf_input_len != size - 2) {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
if (s->s3->server_opaque_prf_input != NULL) {
/* shouldn't really happen */
OPENSSL_free(s->s3->server_opaque_prf_input);
}
if (s->s3->server_opaque_prf_input_len == 0) {
/* dummy byte just to get non-NULL */
s->s3->server_opaque_prf_input = OPENSSL_malloc(1);
} else {
s->s3->server_opaque_prf_input =
BUF_memdup(sdata, s->s3->server_opaque_prf_input_len);
}
if (s->s3->server_opaque_prf_input == NULL) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
}
# endif
else if (type == TLSEXT_TYPE_status_request &&
s->version != DTLS1_VERSION) {
/*
* MUST be empty and only sent if we've requested a status
* request message.
*/
if ((s->tlsext_status_type == -1) || (size > 0)) {
*al = TLS1_AD_UNSUPPORTED_EXTENSION;
return 0;
}
/* Set flag to expect CertificateStatus message */
s->tlsext_status_expected = 1;
}
# ifndef OPENSSL_NO_NEXTPROTONEG
else if (type == TLSEXT_TYPE_next_proto_neg &&
s->s3->tmp.finish_md_len == 0) {
unsigned char *selected;
unsigned char selected_len;
/* We must have requested it. */
if (s->ctx->next_proto_select_cb == NULL) {
*al = TLS1_AD_UNSUPPORTED_EXTENSION;
return 0;
}
/* The data must be valid */
if (!ssl_next_proto_validate(data, size)) {
*al = TLS1_AD_DECODE_ERROR;
return 0;
}
if (s->
ctx->next_proto_select_cb(s, &selected, &selected_len, data,
size,
s->ctx->next_proto_select_cb_arg) !=
SSL_TLSEXT_ERR_OK) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
s->next_proto_negotiated = OPENSSL_malloc(selected_len);
if (!s->next_proto_negotiated) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
memcpy(s->next_proto_negotiated, selected, selected_len);
s->next_proto_negotiated_len = selected_len;
s->s3->next_proto_neg_seen = 1;
}
# endif
else if (type == TLSEXT_TYPE_renegotiate) {
if (!ssl_parse_serverhello_renegotiate_ext(s, data, size, al))
return 0;
renegotiate_seen = 1;
}
# ifndef OPENSSL_NO_HEARTBEATS
else if (type == TLSEXT_TYPE_heartbeat) {
switch (data[0]) {
case 0x01: /* Server allows us to send HB requests */
s->tlsext_heartbeat |= SSL_TLSEXT_HB_ENABLED;
break;
case 0x02: /* Server doesn't accept HB requests */
s->tlsext_heartbeat |= SSL_TLSEXT_HB_ENABLED;
s->tlsext_heartbeat |= SSL_TLSEXT_HB_DONT_SEND_REQUESTS;
break;
default:
*al = SSL_AD_ILLEGAL_PARAMETER;
return 0;
}
}
# endif
# ifndef OPENSSL_NO_SRTP
else if (SSL_IS_DTLS(s) && type == TLSEXT_TYPE_use_srtp) {
if (ssl_parse_serverhello_use_srtp_ext(s, data, size, al))
return 0;
}
# endif
data += size;
}
if (data != d + n) {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
if (!s->hit && tlsext_servername == 1) {
if (s->tlsext_hostname) {
if (s->session->tlsext_hostname == NULL) {
s->session->tlsext_hostname = BUF_strdup(s->tlsext_hostname);
if (!s->session->tlsext_hostname) {
*al = SSL_AD_UNRECOGNIZED_NAME;
return 0;
}
} else {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
}
}
*p = data;
ri_check:
/*
* Determine if we need to see RI. Strictly speaking if we want to avoid
* an attack we should *always* see RI even on initial server hello
* because the client doesn't see any renegotiation during an attack.
* However this would mean we could not connect to any server which
* doesn't support RI so for the immediate future tolerate RI absence on
* initial connect only.
*/
if (!renegotiate_seen && !(s->options & SSL_OP_LEGACY_SERVER_CONNECT)
&& !(s->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION)) {
*al = SSL_AD_HANDSHAKE_FAILURE;
SSLerr(SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT,
SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
return 0;
}
return 1;
}
|
CWE-399
| 9,399 | 16,362 |
203195469458297485415868632751244416213
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int ssl_prepare_clienthello_tlsext(SSL *s)
{
# ifndef OPENSSL_NO_EC
/*
* If we are client and using an elliptic curve cryptography cipher
* suite, send the point formats and elliptic curves we support.
*/
int using_ecc = 0;
int i;
unsigned char *j;
unsigned long alg_k, alg_a;
STACK_OF(SSL_CIPHER) *cipher_stack = SSL_get_ciphers(s);
for (i = 0; i < sk_SSL_CIPHER_num(cipher_stack); i++) {
SSL_CIPHER *c = sk_SSL_CIPHER_value(cipher_stack, i);
alg_k = c->algorithm_mkey;
alg_a = c->algorithm_auth;
if ((alg_k & (SSL_kEECDH | SSL_kECDHr | SSL_kECDHe)
|| (alg_a & SSL_aECDSA))) {
using_ecc = 1;
break;
}
}
using_ecc = using_ecc && (s->version >= TLS1_VERSION);
if (using_ecc) {
if (s->tlsext_ecpointformatlist != NULL)
OPENSSL_free(s->tlsext_ecpointformatlist);
if ((s->tlsext_ecpointformatlist = OPENSSL_malloc(3)) == NULL) {
SSLerr(SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT,
ERR_R_MALLOC_FAILURE);
return -1;
}
s->tlsext_ecpointformatlist_length = 3;
s->tlsext_ecpointformatlist[0] = TLSEXT_ECPOINTFORMAT_uncompressed;
s->tlsext_ecpointformatlist[1] =
TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime;
s->tlsext_ecpointformatlist[2] =
TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2;
/* we support all named elliptic curves in RFC 4492 */
if (s->tlsext_ellipticcurvelist != NULL)
OPENSSL_free(s->tlsext_ellipticcurvelist);
s->tlsext_ellipticcurvelist_length =
sizeof(pref_list) / sizeof(pref_list[0]) * 2;
if ((s->tlsext_ellipticcurvelist =
OPENSSL_malloc(s->tlsext_ellipticcurvelist_length)) == NULL) {
s->tlsext_ellipticcurvelist_length = 0;
SSLerr(SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT,
ERR_R_MALLOC_FAILURE);
return -1;
}
for (i = 0, j = s->tlsext_ellipticcurvelist; (unsigned int)i <
sizeof(pref_list) / sizeof(pref_list[0]); i++) {
int id = tls1_ec_nid2curve_id(pref_list[i]);
s2n(id, j);
}
}
# endif /* OPENSSL_NO_EC */
# ifdef TLSEXT_TYPE_opaque_prf_input
{
int r = 1;
if (s->ctx->tlsext_opaque_prf_input_callback != 0) {
r = s->ctx->tlsext_opaque_prf_input_callback(s, NULL, 0,
s->
ctx->tlsext_opaque_prf_input_callback_arg);
if (!r)
return -1;
}
if (s->tlsext_opaque_prf_input != NULL) {
if (s->s3->client_opaque_prf_input != NULL) {
/* shouldn't really happen */
OPENSSL_free(s->s3->client_opaque_prf_input);
}
if (s->tlsext_opaque_prf_input_len == 0) {
/* dummy byte just to get non-NULL */
s->s3->client_opaque_prf_input = OPENSSL_malloc(1);
} else {
s->s3->client_opaque_prf_input =
BUF_memdup(s->tlsext_opaque_prf_input,
s->tlsext_opaque_prf_input_len);
}
if (s->s3->client_opaque_prf_input == NULL) {
SSLerr(SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT,
ERR_R_MALLOC_FAILURE);
return -1;
}
s->s3->client_opaque_prf_input_len =
s->tlsext_opaque_prf_input_len;
}
if (r == 2)
/*
* at callback's request, insist on receiving an appropriate
* server opaque PRF input
*/
s->s3->server_opaque_prf_input_len =
s->tlsext_opaque_prf_input_len;
}
# endif
return 1;
}
|
CWE-399
| 9,400 | 16,363 |
26038924743070744942705231545691078917
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int ssl_prepare_serverhello_tlsext(SSL *s)
{
# ifndef OPENSSL_NO_EC
/*
* If we are server and using an ECC cipher suite, send the point formats
* we support if the client sent us an ECPointsFormat extension. Note
* that the server is not supposed to send an EllipticCurves extension.
*/
unsigned long alg_k = s->s3->tmp.new_cipher->algorithm_mkey;
unsigned long alg_a = s->s3->tmp.new_cipher->algorithm_auth;
int using_ecc = (alg_k & (SSL_kEECDH | SSL_kECDHr | SSL_kECDHe))
|| (alg_a & SSL_aECDSA);
using_ecc = using_ecc && (s->session->tlsext_ecpointformatlist != NULL);
if (using_ecc) {
if (s->tlsext_ecpointformatlist != NULL)
OPENSSL_free(s->tlsext_ecpointformatlist);
if ((s->tlsext_ecpointformatlist = OPENSSL_malloc(3)) == NULL) {
SSLerr(SSL_F_SSL_PREPARE_SERVERHELLO_TLSEXT,
ERR_R_MALLOC_FAILURE);
return -1;
}
s->tlsext_ecpointformatlist_length = 3;
s->tlsext_ecpointformatlist[0] = TLSEXT_ECPOINTFORMAT_uncompressed;
s->tlsext_ecpointformatlist[1] =
TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime;
s->tlsext_ecpointformatlist[2] =
TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2;
}
# endif /* OPENSSL_NO_EC */
return 1;
}
|
CWE-399
| 9,401 | 16,364 |
189879422232650204618599723840867511180
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
const EVP_MD *tls12_get_hash(unsigned char hash_alg)
{
switch (hash_alg) {
# ifndef OPENSSL_NO_SHA
case TLSEXT_hash_sha1:
return EVP_sha1();
# endif
# ifndef OPENSSL_NO_SHA256
case TLSEXT_hash_sha224:
return EVP_sha224();
case TLSEXT_hash_sha256:
return EVP_sha256();
# endif
# ifndef OPENSSL_NO_SHA512
case TLSEXT_hash_sha384:
return EVP_sha384();
case TLSEXT_hash_sha512:
return EVP_sha512();
# endif
default:
return NULL;
}
}
|
CWE-399
| 9,402 | 16,365 |
104261691433341356473036412087063977424
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int tls12_get_req_sig_algs(SSL *s, unsigned char *p)
{
size_t slen = sizeof(tls12_sigalgs);
if (p)
memcpy(p, tls12_sigalgs, slen);
return (int)slen;
}
|
CWE-399
| 9,403 | 16,366 |
65824713383170118945508438774000500188
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int tls1_ec_curve_id2nid(int curve_id)
{
/* ECC curves from RFC 4492 */
if ((curve_id < 1) || ((unsigned int)curve_id >
sizeof(nid_list) / sizeof(nid_list[0])))
return 0;
return nid_list[curve_id - 1];
}
|
CWE-399
| 9,404 | 16,367 |
165963310746840844281665672091383895864
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int tls1_ec_nid2curve_id(int nid)
{
/* ECC curves from RFC 4492 */
switch (nid) {
case NID_sect163k1: /* sect163k1 (1) */
return 1;
case NID_sect163r1: /* sect163r1 (2) */
return 2;
case NID_sect163r2: /* sect163r2 (3) */
return 3;
case NID_sect193r1: /* sect193r1 (4) */
return 4;
case NID_sect193r2: /* sect193r2 (5) */
return 5;
case NID_sect233k1: /* sect233k1 (6) */
return 6;
case NID_sect233r1: /* sect233r1 (7) */
return 7;
case NID_sect239k1: /* sect239k1 (8) */
return 8;
case NID_sect283k1: /* sect283k1 (9) */
return 9;
case NID_sect283r1: /* sect283r1 (10) */
return 10;
case NID_sect409k1: /* sect409k1 (11) */
return 11;
case NID_sect409r1: /* sect409r1 (12) */
return 12;
case NID_sect571k1: /* sect571k1 (13) */
return 13;
case NID_sect571r1: /* sect571r1 (14) */
return 14;
case NID_secp160k1: /* secp160k1 (15) */
return 15;
case NID_secp160r1: /* secp160r1 (16) */
return 16;
case NID_secp160r2: /* secp160r2 (17) */
return 17;
case NID_secp192k1: /* secp192k1 (18) */
return 18;
case NID_X9_62_prime192v1: /* secp192r1 (19) */
return 19;
case NID_secp224k1: /* secp224k1 (20) */
return 20;
case NID_secp224r1: /* secp224r1 (21) */
return 21;
case NID_secp256k1: /* secp256k1 (22) */
return 22;
case NID_X9_62_prime256v1: /* secp256r1 (23) */
return 23;
case NID_secp384r1: /* secp384r1 (24) */
return 24;
case NID_secp521r1: /* secp521r1 (25) */
return 25;
default:
return 0;
}
}
|
CWE-399
| 9,405 | 16,368 |
338554481707152539308628761372467306567
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int tls1_heartbeat(SSL *s)
{
unsigned char *buf, *p;
int ret = -1;
unsigned int payload = 18; /* Sequence number + random bytes */
unsigned int padding = 16; /* Use minimum padding */
/* Only send if peer supports and accepts HB requests... */
if (!(s->tlsext_heartbeat & SSL_TLSEXT_HB_ENABLED) ||
s->tlsext_heartbeat & SSL_TLSEXT_HB_DONT_SEND_REQUESTS) {
SSLerr(SSL_F_TLS1_HEARTBEAT, SSL_R_TLS_HEARTBEAT_PEER_DOESNT_ACCEPT);
return -1;
}
/* ...and there is none in flight yet... */
if (s->tlsext_hb_pending) {
SSLerr(SSL_F_TLS1_HEARTBEAT, SSL_R_TLS_HEARTBEAT_PENDING);
return -1;
}
/* ...and no handshake in progress. */
if (SSL_in_init(s) || s->in_handshake) {
SSLerr(SSL_F_TLS1_HEARTBEAT, SSL_R_UNEXPECTED_MESSAGE);
return -1;
}
/*
* Check if padding is too long, payload and padding must not exceed 2^14
* - 3 = 16381 bytes in total.
*/
OPENSSL_assert(payload + padding <= 16381);
/*-
* Create HeartBeat message, we just use a sequence number
* as payload to distuingish different messages and add
* some random stuff.
* - Message Type, 1 byte
* - Payload Length, 2 bytes (unsigned int)
* - Payload, the sequence number (2 bytes uint)
* - Payload, random bytes (16 bytes uint)
* - Padding
*/
buf = OPENSSL_malloc(1 + 2 + payload + padding);
p = buf;
/* Message Type */
*p++ = TLS1_HB_REQUEST;
/* Payload length (18 bytes here) */
s2n(payload, p);
/* Sequence number */
s2n(s->tlsext_hb_seq, p);
/* 16 random bytes */
if (RAND_bytes(p, 16) <= 0) {
SSLerr(SSL_F_TLS1_HEARTBEAT, ERR_R_INTERNAL_ERROR);
goto err;
}
p += 16;
/* Random padding */
if (RAND_bytes(p, padding) <= 0) {
SSLerr(SSL_F_TLS1_HEARTBEAT, ERR_R_INTERNAL_ERROR);
goto err;
}
ret = ssl3_write_bytes(s, TLS1_RT_HEARTBEAT, buf, 3 + payload + padding);
if (ret >= 0) {
if (s->msg_callback)
s->msg_callback(1, s->version, TLS1_RT_HEARTBEAT,
buf, 3 + payload + padding,
s, s->msg_callback_arg);
s->tlsext_hb_pending = 1;
}
err:
OPENSSL_free(buf);
return ret;
}
|
CWE-399
| 9,406 | 16,369 |
20545043936276232073269226801981721308
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int tls1_process_heartbeat(SSL *s)
{
unsigned char *p = &s->s3->rrec.data[0], *pl;
unsigned short hbtype;
unsigned int payload;
unsigned int padding = 16; /* Use minimum padding */
if (s->msg_callback)
s->msg_callback(0, s->version, TLS1_RT_HEARTBEAT,
&s->s3->rrec.data[0], s->s3->rrec.length,
s, s->msg_callback_arg);
/* Read type and payload length first */
if (1 + 2 + 16 > s->s3->rrec.length)
return 0; /* silently discard */
hbtype = *p++;
n2s(p, payload);
if (1 + 2 + payload + 16 > s->s3->rrec.length)
return 0; /* silently discard per RFC 6520 sec. 4 */
pl = p;
if (hbtype == TLS1_HB_REQUEST) {
unsigned char *buffer, *bp;
int r;
/*
* Allocate memory for the response, size is 1 bytes message type,
* plus 2 bytes payload length, plus payload, plus padding
*/
buffer = OPENSSL_malloc(1 + 2 + payload + padding);
if (buffer == NULL)
return -1;
bp = buffer;
/* Enter response type, length and copy payload */
*bp++ = TLS1_HB_RESPONSE;
s2n(payload, bp);
memcpy(bp, pl, payload);
bp += payload;
/* Random padding */
if (RAND_bytes(bp, padding) <= 0) {
OPENSSL_free(buffer);
return -1;
}
r = ssl3_write_bytes(s, TLS1_RT_HEARTBEAT, buffer,
3 + payload + padding);
if (r >= 0 && s->msg_callback)
s->msg_callback(1, s->version, TLS1_RT_HEARTBEAT,
buffer, 3 + payload + padding,
s, s->msg_callback_arg);
OPENSSL_free(buffer);
if (r < 0)
return r;
} else if (hbtype == TLS1_HB_RESPONSE) {
unsigned int seq;
/*
* We only send sequence numbers (2 bytes unsigned int), and 16
* random bytes, so we just try to read the sequence number
*/
n2s(pl, seq);
if (payload == 18 && seq == s->tlsext_hb_seq) {
s->tlsext_hb_seq++;
s->tlsext_hb_pending = 0;
}
}
return 0;
}
|
CWE-399
| 9,407 | 16,370 |
28008120558891904520740251641427876711
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize)
{
int i, idx;
const EVP_MD *md;
CERT *c = s->cert;
/* Extension ignored for TLS versions below 1.2 */
if (TLS1_get_version(s) < TLS1_2_VERSION)
return 1;
/* Should never happen */
if (!c)
return 0;
c->pkeys[SSL_PKEY_DSA_SIGN].digest = NULL;
c->pkeys[SSL_PKEY_RSA_SIGN].digest = NULL;
c->pkeys[SSL_PKEY_RSA_ENC].digest = NULL;
c->pkeys[SSL_PKEY_ECC].digest = NULL;
for (i = 0; i < dsize; i += 2) {
unsigned char hash_alg = data[i], sig_alg = data[i + 1];
switch (sig_alg) {
# ifndef OPENSSL_NO_RSA
case TLSEXT_signature_rsa:
idx = SSL_PKEY_RSA_SIGN;
break;
# endif
# ifndef OPENSSL_NO_DSA
case TLSEXT_signature_dsa:
idx = SSL_PKEY_DSA_SIGN;
break;
# endif
# ifndef OPENSSL_NO_ECDSA
case TLSEXT_signature_ecdsa:
idx = SSL_PKEY_ECC;
break;
# endif
default:
continue;
}
if (c->pkeys[idx].digest == NULL) {
md = tls12_get_hash(hash_alg);
if (md) {
c->pkeys[idx].digest = md;
if (idx == SSL_PKEY_RSA_SIGN)
c->pkeys[SSL_PKEY_RSA_ENC].digest = md;
}
}
}
/*
* Set any remaining keys to default values. NOTE: if alg is not
* supported it stays as NULL.
*/
# ifndef OPENSSL_NO_DSA
if (!c->pkeys[SSL_PKEY_DSA_SIGN].digest)
c->pkeys[SSL_PKEY_DSA_SIGN].digest = EVP_sha1();
# endif
# ifndef OPENSSL_NO_RSA
if (!c->pkeys[SSL_PKEY_RSA_SIGN].digest) {
c->pkeys[SSL_PKEY_RSA_SIGN].digest = EVP_sha1();
c->pkeys[SSL_PKEY_RSA_ENC].digest = EVP_sha1();
}
# endif
# ifndef OPENSSL_NO_ECDSA
if (!c->pkeys[SSL_PKEY_ECC].digest)
c->pkeys[SSL_PKEY_ECC].digest = EVP_sha1();
# endif
return 1;
}
|
CWE-399
| 9,408 | 16,371 |
112453511874238736919632658531212030365
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
const unsigned char *limit, SSL_SESSION **ret)
{
/* Point after session ID in client hello */
const unsigned char *p = session_id + len;
unsigned short i;
*ret = NULL;
s->tlsext_ticket_expected = 0;
/*
* If tickets disabled behave as if no ticket present to permit stateful
* resumption.
*/
if (SSL_get_options(s) & SSL_OP_NO_TICKET)
return 0;
if ((s->version <= SSL3_VERSION) || !limit)
return 0;
if (p >= limit)
return -1;
/* Skip past DTLS cookie */
if (s->version == DTLS1_VERSION || s->version == DTLS1_BAD_VER) {
i = *(p++);
if (limit - p <= i)
return -1;
p += i;
}
/* Skip past cipher list */
n2s(p, i);
if (limit - p <= i)
return -1;
p += i;
/* Skip past compression algorithm list */
i = *(p++);
if (limit - p < i)
return -1;
p += i;
/* Now at start of extensions */
if (limit - p <= 2)
return 0;
n2s(p, i);
while (limit - p >= 4) {
unsigned short type, size;
n2s(p, type);
n2s(p, size);
if (limit - p < size)
return 0;
if (type == TLSEXT_TYPE_session_ticket) {
int r;
if (size == 0) {
/*
* The client will accept a ticket but doesn't currently have
* one.
*/
s->tlsext_ticket_expected = 1;
return 1;
}
if (s->tls_session_secret_cb) {
/*
* Indicate that the ticket couldn't be decrypted rather than
* generating the session from ticket now, trigger
* abbreviated handshake based on external mechanism to
* calculate the master secret later.
*/
return 2;
}
r = tls_decrypt_ticket(s, p, size, session_id, len, ret);
switch (r) {
case 2: /* ticket couldn't be decrypted */
s->tlsext_ticket_expected = 1;
return 2;
case 3: /* ticket was decrypted */
return r;
case 4: /* ticket decrypted but need to renew */
s->tlsext_ticket_expected = 1;
return 3;
default: /* fatal error */
return -1;
}
}
p += size;
}
return 0;
}
|
CWE-399
| 9,409 | 16,372 |
273278381600206862901573044892134081618
| null | null | null |
openssl
|
2c0d295e26306e15a92eb23a84a1802005c1c137
| 0 |
static int tls_decrypt_ticket(SSL *s, const unsigned char *etick,
int eticklen, const unsigned char *sess_id,
int sesslen, SSL_SESSION **psess)
{
SSL_SESSION *sess;
unsigned char *sdec;
const unsigned char *p;
int slen, mlen, renew_ticket = 0;
unsigned char tick_hmac[EVP_MAX_MD_SIZE];
HMAC_CTX hctx;
EVP_CIPHER_CTX ctx;
SSL_CTX *tctx = s->initial_ctx;
/* Initialize session ticket encryption and HMAC contexts */
HMAC_CTX_init(&hctx);
EVP_CIPHER_CTX_init(&ctx);
if (tctx->tlsext_ticket_key_cb) {
unsigned char *nctick = (unsigned char *)etick;
int rv = tctx->tlsext_ticket_key_cb(s, nctick, nctick + 16,
&ctx, &hctx, 0);
if (rv < 0)
return -1;
if (rv == 0)
return 2;
if (rv == 2)
renew_ticket = 1;
} else {
/* Check key name matches */
if (memcmp(etick, tctx->tlsext_tick_key_name, 16))
return 2;
if (HMAC_Init_ex(&hctx, tctx->tlsext_tick_hmac_key, 16,
tlsext_tick_md(), NULL) <= 0
|| EVP_DecryptInit_ex(&ctx, EVP_aes_128_cbc(), NULL,
tctx->tlsext_tick_aes_key,
etick + 16) <= 0) {
goto err;
}
}
/*
* Attempt to process session ticket, first conduct sanity and integrity
* checks on ticket.
*/
mlen = HMAC_size(&hctx);
if (mlen < 0) {
goto err;
}
/* Sanity check ticket length: must exceed keyname + IV + HMAC */
if (eticklen <= 16 + EVP_CIPHER_CTX_iv_length(&ctx) + mlen) {
HMAC_CTX_cleanup(&hctx);
EVP_CIPHER_CTX_cleanup(&ctx);
return 2;
}
eticklen -= mlen;
/* Check HMAC of encrypted ticket */
if (HMAC_Update(&hctx, etick, eticklen) <= 0
|| HMAC_Final(&hctx, tick_hmac, NULL) <= 0) {
goto err;
}
HMAC_CTX_cleanup(&hctx);
if (CRYPTO_memcmp(tick_hmac, etick + eticklen, mlen)) {
EVP_CIPHER_CTX_cleanup(&ctx);
return 2;
}
/* Attempt to decrypt session data */
/* Move p after IV to start of encrypted ticket, update length */
p = etick + 16 + EVP_CIPHER_CTX_iv_length(&ctx);
eticklen -= 16 + EVP_CIPHER_CTX_iv_length(&ctx);
sdec = OPENSSL_malloc(eticklen);
if (sdec == NULL
|| EVP_DecryptUpdate(&ctx, sdec, &slen, p, eticklen) <= 0) {
EVP_CIPHER_CTX_cleanup(&ctx);
OPENSSL_free(sdec);
return -1;
}
if (EVP_DecryptFinal(&ctx, sdec + slen, &mlen) <= 0) {
EVP_CIPHER_CTX_cleanup(&ctx);
OPENSSL_free(sdec);
return 2;
}
slen += mlen;
EVP_CIPHER_CTX_cleanup(&ctx);
p = sdec;
sess = d2i_SSL_SESSION(NULL, &p, slen);
OPENSSL_free(sdec);
if (sess) {
/*
* The session ID, if non-empty, is used by some clients to detect
* that the ticket has been accepted. So we copy it to the session
* structure. If it is empty set length to zero as required by
* standard.
*/
if (sesslen)
memcpy(sess->session_id, sess_id, sesslen);
sess->session_id_length = sesslen;
*psess = sess;
if (renew_ticket)
return 4;
else
return 3;
}
ERR_clear_error();
/*
* For session parse failure, indicate that we need to send a new ticket.
*/
return 2;
err:
EVP_CIPHER_CTX_cleanup(&ctx);
HMAC_CTX_cleanup(&hctx);
return -1;
}
|
CWE-399
| 9,410 | 16,373 |
50794026404427525717485954821308601049
| null | null | null |
openssl
|
55d83bf7c10c7b205fffa23fa7c3977491e56c07
| 0 |
int MDC2_Final(unsigned char *md, MDC2_CTX *c)
{
unsigned int i;
int j;
i = c->num;
j = c->pad_type;
if ((i > 0) || (j == 2)) {
if (j == 2)
c->data[i++] = 0x80;
memset(&(c->data[i]), 0, MDC2_BLOCK - i);
mdc2_body(c, c->data, MDC2_BLOCK);
}
memcpy(md, (char *)c->h, MDC2_BLOCK);
memcpy(&(md[MDC2_BLOCK]), (char *)c->hh, MDC2_BLOCK);
return 1;
}
|
CWE-787
| 9,411 | 16,374 |
325814000894187177404345088560146431896
| null | null | null |
openssl
|
55d83bf7c10c7b205fffa23fa7c3977491e56c07
| 0 |
int MDC2_Init(MDC2_CTX *c)
{
c->num = 0;
c->pad_type = 1;
memset(&(c->h[0]), 0x52, MDC2_BLOCK);
memset(&(c->hh[0]), 0x25, MDC2_BLOCK);
return 1;
}
|
CWE-787
| 9,412 | 16,375 |
321774909733391367644911278292211277997
| null | null | null |
openssl
|
55d83bf7c10c7b205fffa23fa7c3977491e56c07
| 0 |
static void mdc2_body(MDC2_CTX *c, const unsigned char *in, size_t len)
{
register DES_LONG tin0, tin1;
register DES_LONG ttin0, ttin1;
DES_LONG d[2], dd[2];
DES_key_schedule k;
unsigned char *p;
size_t i;
for (i = 0; i < len; i += 8) {
c2l(in, tin0);
d[0] = dd[0] = tin0;
c2l(in, tin1);
d[1] = dd[1] = tin1;
c->h[0] = (c->h[0] & 0x9f) | 0x40;
c->hh[0] = (c->hh[0] & 0x9f) | 0x20;
DES_set_odd_parity(&c->h);
DES_set_key_unchecked(&c->h, &k);
DES_encrypt1(d, &k, 1);
DES_set_odd_parity(&c->hh);
DES_set_key_unchecked(&c->hh, &k);
DES_encrypt1(dd, &k, 1);
ttin0 = tin0 ^ dd[0];
ttin1 = tin1 ^ dd[1];
tin0 ^= d[0];
tin1 ^= d[1];
p = c->h;
l2c(tin0, p);
l2c(ttin1, p);
p = c->hh;
l2c(ttin0, p);
l2c(tin1, p);
}
}
|
CWE-787
| 9,414 | 16,376 |
37763995803046011220726111880560573811
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int SSL_get_sigalgs(SSL *s, int idx,
int *psign, int *phash, int *psignhash,
unsigned char *rsig, unsigned char *rhash)
{
const unsigned char *psig = s->s3->tmp.peer_sigalgs;
if (psig == NULL)
return 0;
if (idx >= 0) {
idx <<= 1;
if (idx >= (int)s->s3->tmp.peer_sigalgslen)
return 0;
psig += idx;
if (rhash)
*rhash = psig[0];
if (rsig)
*rsig = psig[1];
tls1_lookup_sigalg(phash, psign, psignhash, psig);
}
return s->s3->tmp.peer_sigalgslen / 2;
}
|
CWE-20
| 9,415 | 16,377 |
16941696274101284391348156001056411119
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int compare_uint(const void *p1, const void *p2)
{
unsigned int u1 = *((const unsigned int *)p1);
unsigned int u2 = *((const unsigned int *)p2);
if (u1 < u2)
return -1;
else if (u1 > u2)
return 1;
else
return 0;
}
|
CWE-20
| 9,416 | 16,378 |
164148423519034683062748671866391493204
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static void get_sigorhash(int *psig, int *phash, const char *str)
{
if (strcmp(str, "RSA") == 0) {
*psig = EVP_PKEY_RSA;
} else if (strcmp(str, "DSA") == 0) {
*psig = EVP_PKEY_DSA;
} else if (strcmp(str, "ECDSA") == 0) {
*psig = EVP_PKEY_EC;
} else {
*phash = OBJ_sn2nid(str);
if (*phash == NID_undef)
*phash = OBJ_ln2nid(str);
}
}
|
CWE-20
| 9,417 | 16,379 |
150753839886875491264184623764175068885
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int sig_cb(const char *elem, int len, void *arg)
{
sig_cb_st *sarg = arg;
size_t i;
char etmp[20], *p;
int sig_alg = NID_undef, hash_alg = NID_undef;
if (elem == NULL)
return 0;
if (sarg->sigalgcnt == MAX_SIGALGLEN)
return 0;
if (len > (int)(sizeof(etmp) - 1))
return 0;
memcpy(etmp, elem, len);
etmp[len] = 0;
p = strchr(etmp, '+');
if (!p)
return 0;
*p = 0;
p++;
if (!*p)
return 0;
get_sigorhash(&sig_alg, &hash_alg, etmp);
get_sigorhash(&sig_alg, &hash_alg, p);
if (sig_alg == NID_undef || hash_alg == NID_undef)
return 0;
for (i = 0; i < sarg->sigalgcnt; i += 2) {
if (sarg->sigalgs[i] == sig_alg && sarg->sigalgs[i + 1] == hash_alg)
return 0;
}
sarg->sigalgs[sarg->sigalgcnt++] = hash_alg;
sarg->sigalgs[sarg->sigalgcnt++] = sig_alg;
return 1;
}
|
CWE-20
| 9,418 | 16,380 |
203532727234560636754374863106686919792
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf,
unsigned char *limit, int *al)
{
int extdatalen = 0;
unsigned char *orig = buf;
unsigned char *ret = buf;
#ifndef OPENSSL_NO_EC
/* See if we support any ECC ciphersuites */
int using_ecc = 0;
if (s->version >= TLS1_VERSION || SSL_IS_DTLS(s)) {
int i;
unsigned long alg_k, alg_a;
STACK_OF(SSL_CIPHER) *cipher_stack = SSL_get_ciphers(s);
for (i = 0; i < sk_SSL_CIPHER_num(cipher_stack); i++) {
const SSL_CIPHER *c = sk_SSL_CIPHER_value(cipher_stack, i);
alg_k = c->algorithm_mkey;
alg_a = c->algorithm_auth;
if ((alg_k & (SSL_kECDHE | SSL_kECDHEPSK))
|| (alg_a & SSL_aECDSA)) {
using_ecc = 1;
break;
}
}
}
#endif
ret += 2;
if (ret >= limit)
return NULL; /* this really never occurs, but ... */
/* Add RI if renegotiating */
if (s->renegotiate) {
int el;
if (!ssl_add_clienthello_renegotiate_ext(s, 0, &el, 0)) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
if ((limit - ret - 4 - el) < 0)
return NULL;
s2n(TLSEXT_TYPE_renegotiate, ret);
s2n(el, ret);
if (!ssl_add_clienthello_renegotiate_ext(s, ret, &el, el)) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
ret += el;
}
/* Only add RI for SSLv3 */
if (s->client_version == SSL3_VERSION)
goto done;
if (s->tlsext_hostname != NULL) {
/* Add TLS extension servername to the Client Hello message */
unsigned long size_str;
long lenmax;
/*-
* check for enough space.
* 4 for the servername type and extension length
* 2 for servernamelist length
* 1 for the hostname type
* 2 for hostname length
* + hostname length
*/
if ((lenmax = limit - ret - 9) < 0
|| (size_str = strlen(s->tlsext_hostname)) > (unsigned long)lenmax)
return NULL;
/* extension type and length */
s2n(TLSEXT_TYPE_server_name, ret);
s2n(size_str + 5, ret);
/* length of servername list */
s2n(size_str + 3, ret);
/* hostname type, length and hostname */
*(ret++) = (unsigned char)TLSEXT_NAMETYPE_host_name;
s2n(size_str, ret);
memcpy(ret, s->tlsext_hostname, size_str);
ret += size_str;
}
#ifndef OPENSSL_NO_SRP
/* Add SRP username if there is one */
if (s->srp_ctx.login != NULL) { /* Add TLS extension SRP username to the
* Client Hello message */
int login_len = strlen(s->srp_ctx.login);
if (login_len > 255 || login_len == 0) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
/*-
* check for enough space.
* 4 for the srp type type and extension length
* 1 for the srp user identity
* + srp user identity length
*/
if ((limit - ret - 5 - login_len) < 0)
return NULL;
/* fill in the extension */
s2n(TLSEXT_TYPE_srp, ret);
s2n(login_len + 1, ret);
(*ret++) = (unsigned char)login_len;
memcpy(ret, s->srp_ctx.login, login_len);
ret += login_len;
}
#endif
#ifndef OPENSSL_NO_EC
if (using_ecc) {
/*
* Add TLS extension ECPointFormats to the ClientHello message
*/
long lenmax;
const unsigned char *pcurves, *pformats;
size_t num_curves, num_formats, curves_list_len;
size_t i;
unsigned char *etmp;
tls1_get_formatlist(s, &pformats, &num_formats);
if ((lenmax = limit - ret - 5) < 0)
return NULL;
if (num_formats > (size_t)lenmax)
return NULL;
if (num_formats > 255) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
s2n(TLSEXT_TYPE_ec_point_formats, ret);
/* The point format list has 1-byte length. */
s2n(num_formats + 1, ret);
*(ret++) = (unsigned char)num_formats;
memcpy(ret, pformats, num_formats);
ret += num_formats;
/*
* Add TLS extension EllipticCurves to the ClientHello message
*/
pcurves = s->tlsext_ellipticcurvelist;
if (!tls1_get_curvelist(s, 0, &pcurves, &num_curves))
return NULL;
if ((lenmax = limit - ret - 6) < 0)
return NULL;
if (num_curves > (size_t)lenmax / 2)
return NULL;
if (num_curves > 65532 / 2) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
s2n(TLSEXT_TYPE_elliptic_curves, ret);
etmp = ret + 4;
/* Copy curve ID if supported */
for (i = 0; i < num_curves; i++, pcurves += 2) {
if (tls_curve_allowed(s, pcurves, SSL_SECOP_CURVE_SUPPORTED)) {
*etmp++ = pcurves[0];
*etmp++ = pcurves[1];
}
}
curves_list_len = etmp - ret - 4;
s2n(curves_list_len + 2, ret);
s2n(curves_list_len, ret);
ret += curves_list_len;
}
#endif /* OPENSSL_NO_EC */
if (tls_use_ticket(s)) {
int ticklen;
if (!s->new_session && s->session && s->session->tlsext_tick)
ticklen = s->session->tlsext_ticklen;
else if (s->session && s->tlsext_session_ticket &&
s->tlsext_session_ticket->data) {
ticklen = s->tlsext_session_ticket->length;
s->session->tlsext_tick = OPENSSL_malloc(ticklen);
if (s->session->tlsext_tick == NULL)
return NULL;
memcpy(s->session->tlsext_tick,
s->tlsext_session_ticket->data, ticklen);
s->session->tlsext_ticklen = ticklen;
} else
ticklen = 0;
if (ticklen == 0 && s->tlsext_session_ticket &&
s->tlsext_session_ticket->data == NULL)
goto skip_ext;
/*
* Check for enough room 2 for extension type, 2 for len rest for
* ticket
*/
if ((long)(limit - ret - 4 - ticklen) < 0)
return NULL;
s2n(TLSEXT_TYPE_session_ticket, ret);
s2n(ticklen, ret);
if (ticklen) {
memcpy(ret, s->session->tlsext_tick, ticklen);
ret += ticklen;
}
}
skip_ext:
if (SSL_CLIENT_USE_SIGALGS(s)) {
size_t salglen;
const unsigned char *salg;
unsigned char *etmp;
salglen = tls12_get_psigalgs(s, &salg);
if ((size_t)(limit - ret) < salglen + 6)
return NULL;
s2n(TLSEXT_TYPE_signature_algorithms, ret);
etmp = ret;
/* Skip over lengths for now */
ret += 4;
salglen = tls12_copy_sigalgs(s, ret, salg, salglen);
/* Fill in lengths */
s2n(salglen + 2, etmp);
s2n(salglen, etmp);
ret += salglen;
}
#ifndef OPENSSL_NO_OCSP
if (s->tlsext_status_type == TLSEXT_STATUSTYPE_ocsp) {
int i;
long extlen, idlen, itmp;
OCSP_RESPID *id;
idlen = 0;
for (i = 0; i < sk_OCSP_RESPID_num(s->tlsext_ocsp_ids); i++) {
id = sk_OCSP_RESPID_value(s->tlsext_ocsp_ids, i);
itmp = i2d_OCSP_RESPID(id, NULL);
if (itmp <= 0)
return NULL;
idlen += itmp + 2;
}
if (s->tlsext_ocsp_exts) {
extlen = i2d_X509_EXTENSIONS(s->tlsext_ocsp_exts, NULL);
if (extlen < 0)
return NULL;
} else
extlen = 0;
if ((long)(limit - ret - 7 - extlen - idlen) < 0)
return NULL;
s2n(TLSEXT_TYPE_status_request, ret);
if (extlen + idlen > 0xFFF0)
return NULL;
s2n(extlen + idlen + 5, ret);
*(ret++) = TLSEXT_STATUSTYPE_ocsp;
s2n(idlen, ret);
for (i = 0; i < sk_OCSP_RESPID_num(s->tlsext_ocsp_ids); i++) {
/* save position of id len */
unsigned char *q = ret;
id = sk_OCSP_RESPID_value(s->tlsext_ocsp_ids, i);
/* skip over id len */
ret += 2;
itmp = i2d_OCSP_RESPID(id, &ret);
/* write id len */
s2n(itmp, q);
}
s2n(extlen, ret);
if (extlen > 0)
i2d_X509_EXTENSIONS(s->tlsext_ocsp_exts, &ret);
}
#endif
#ifndef OPENSSL_NO_HEARTBEATS
if (SSL_IS_DTLS(s)) {
/* Add Heartbeat extension */
if ((limit - ret - 4 - 1) < 0)
return NULL;
s2n(TLSEXT_TYPE_heartbeat, ret);
s2n(1, ret);
/*-
* Set mode:
* 1: peer may send requests
* 2: peer not allowed to send requests
*/
if (s->tlsext_heartbeat & SSL_DTLSEXT_HB_DONT_RECV_REQUESTS)
*(ret++) = SSL_DTLSEXT_HB_DONT_SEND_REQUESTS;
else
*(ret++) = SSL_DTLSEXT_HB_ENABLED;
}
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
if (s->ctx->next_proto_select_cb && !s->s3->tmp.finish_md_len) {
/*
* The client advertises an empty extension to indicate its support
* for Next Protocol Negotiation
*/
if (limit - ret - 4 < 0)
return NULL;
s2n(TLSEXT_TYPE_next_proto_neg, ret);
s2n(0, ret);
}
#endif
/*
* finish_md_len is non-zero during a renegotiation, so
* this avoids sending ALPN during the renegotiation
* (see longer comment below)
*/
if (s->alpn_client_proto_list && !s->s3->tmp.finish_md_len) {
if ((size_t)(limit - ret) < 6 + s->alpn_client_proto_list_len)
return NULL;
s2n(TLSEXT_TYPE_application_layer_protocol_negotiation, ret);
s2n(2 + s->alpn_client_proto_list_len, ret);
s2n(s->alpn_client_proto_list_len, ret);
memcpy(ret, s->alpn_client_proto_list, s->alpn_client_proto_list_len);
ret += s->alpn_client_proto_list_len;
s->s3->alpn_sent = 1;
}
#ifndef OPENSSL_NO_SRTP
if (SSL_IS_DTLS(s) && SSL_get_srtp_profiles(s)) {
int el;
/* Returns 0 on success!! */
if (ssl_add_clienthello_use_srtp_ext(s, 0, &el, 0)) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
if ((limit - ret - 4 - el) < 0)
return NULL;
s2n(TLSEXT_TYPE_use_srtp, ret);
s2n(el, ret);
if (ssl_add_clienthello_use_srtp_ext(s, ret, &el, el)) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
ret += el;
}
#endif
custom_ext_init(&s->cert->cli_ext);
/* Add custom TLS Extensions to ClientHello */
if (!custom_ext_add(s, 0, &ret, limit, al))
return NULL;
s2n(TLSEXT_TYPE_encrypt_then_mac, ret);
s2n(0, ret);
#ifndef OPENSSL_NO_CT
if (s->ct_validation_callback != NULL) {
s2n(TLSEXT_TYPE_signed_certificate_timestamp, ret);
s2n(0, ret);
}
#endif
s2n(TLSEXT_TYPE_extended_master_secret, ret);
s2n(0, ret);
/*
* Add padding to workaround bugs in F5 terminators. See
* https://tools.ietf.org/html/draft-agl-tls-padding-03 NB: because this
* code works out the length of all existing extensions it MUST always
* appear last.
*/
if (s->options & SSL_OP_TLSEXT_PADDING) {
int hlen = ret - (unsigned char *)s->init_buf->data;
if (hlen > 0xff && hlen < 0x200) {
hlen = 0x200 - hlen;
if (hlen >= 4)
hlen -= 4;
else
hlen = 0;
s2n(TLSEXT_TYPE_padding, ret);
s2n(hlen, ret);
memset(ret, 0, hlen);
ret += hlen;
}
}
done:
if ((extdatalen = ret - orig - 2) == 0)
return orig;
s2n(extdatalen, orig);
return ret;
}
|
CWE-20
| 9,419 | 16,381 |
105526716221879262915060988405587372434
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf,
unsigned char *limit, int *al)
{
int extdatalen = 0;
unsigned char *orig = buf;
unsigned char *ret = buf;
#ifndef OPENSSL_NO_NEXTPROTONEG
int next_proto_neg_seen;
#endif
#ifndef OPENSSL_NO_EC
unsigned long alg_k = s->s3->tmp.new_cipher->algorithm_mkey;
unsigned long alg_a = s->s3->tmp.new_cipher->algorithm_auth;
int using_ecc = (alg_k & SSL_kECDHE) || (alg_a & SSL_aECDSA);
using_ecc = using_ecc && (s->session->tlsext_ecpointformatlist != NULL);
#endif
ret += 2;
if (ret >= limit)
return NULL; /* this really never occurs, but ... */
if (s->s3->send_connection_binding) {
int el;
if (!ssl_add_serverhello_renegotiate_ext(s, 0, &el, 0)) {
SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
if ((limit - ret - 4 - el) < 0)
return NULL;
s2n(TLSEXT_TYPE_renegotiate, ret);
s2n(el, ret);
if (!ssl_add_serverhello_renegotiate_ext(s, ret, &el, el)) {
SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
ret += el;
}
/* Only add RI for SSLv3 */
if (s->version == SSL3_VERSION)
goto done;
if (!s->hit && s->servername_done == 1
&& s->session->tlsext_hostname != NULL) {
if ((long)(limit - ret - 4) < 0)
return NULL;
s2n(TLSEXT_TYPE_server_name, ret);
s2n(0, ret);
}
#ifndef OPENSSL_NO_EC
if (using_ecc) {
const unsigned char *plist;
size_t plistlen;
/*
* Add TLS extension ECPointFormats to the ServerHello message
*/
long lenmax;
tls1_get_formatlist(s, &plist, &plistlen);
if ((lenmax = limit - ret - 5) < 0)
return NULL;
if (plistlen > (size_t)lenmax)
return NULL;
if (plistlen > 255) {
SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
s2n(TLSEXT_TYPE_ec_point_formats, ret);
s2n(plistlen + 1, ret);
*(ret++) = (unsigned char)plistlen;
memcpy(ret, plist, plistlen);
ret += plistlen;
}
/*
* Currently the server should not respond with a SupportedCurves
* extension
*/
#endif /* OPENSSL_NO_EC */
if (s->tlsext_ticket_expected && tls_use_ticket(s)) {
if ((long)(limit - ret - 4) < 0)
return NULL;
s2n(TLSEXT_TYPE_session_ticket, ret);
s2n(0, ret);
} else {
/*
* if we don't add the above TLSEXT, we can't add a session ticket
* later
*/
s->tlsext_ticket_expected = 0;
}
if (s->tlsext_status_expected) {
if ((long)(limit - ret - 4) < 0)
return NULL;
s2n(TLSEXT_TYPE_status_request, ret);
s2n(0, ret);
}
#ifndef OPENSSL_NO_SRTP
if (SSL_IS_DTLS(s) && s->srtp_profile) {
int el;
/* Returns 0 on success!! */
if (ssl_add_serverhello_use_srtp_ext(s, 0, &el, 0)) {
SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
if ((limit - ret - 4 - el) < 0)
return NULL;
s2n(TLSEXT_TYPE_use_srtp, ret);
s2n(el, ret);
if (ssl_add_serverhello_use_srtp_ext(s, ret, &el, el)) {
SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
ret += el;
}
#endif
if (((s->s3->tmp.new_cipher->id & 0xFFFF) == 0x80
|| (s->s3->tmp.new_cipher->id & 0xFFFF) == 0x81)
&& (SSL_get_options(s) & SSL_OP_CRYPTOPRO_TLSEXT_BUG)) {
const unsigned char cryptopro_ext[36] = {
0xfd, 0xe8, /* 65000 */
0x00, 0x20, /* 32 bytes length */
0x30, 0x1e, 0x30, 0x08, 0x06, 0x06, 0x2a, 0x85,
0x03, 0x02, 0x02, 0x09, 0x30, 0x08, 0x06, 0x06,
0x2a, 0x85, 0x03, 0x02, 0x02, 0x16, 0x30, 0x08,
0x06, 0x06, 0x2a, 0x85, 0x03, 0x02, 0x02, 0x17
};
if (limit - ret < 36)
return NULL;
memcpy(ret, cryptopro_ext, 36);
ret += 36;
}
#ifndef OPENSSL_NO_HEARTBEATS
/* Add Heartbeat extension if we've received one */
if (SSL_IS_DTLS(s) && (s->tlsext_heartbeat & SSL_DTLSEXT_HB_ENABLED)) {
if ((limit - ret - 4 - 1) < 0)
return NULL;
s2n(TLSEXT_TYPE_heartbeat, ret);
s2n(1, ret);
/*-
* Set mode:
* 1: peer may send requests
* 2: peer not allowed to send requests
*/
if (s->tlsext_heartbeat & SSL_DTLSEXT_HB_DONT_RECV_REQUESTS)
*(ret++) = SSL_DTLSEXT_HB_DONT_SEND_REQUESTS;
else
*(ret++) = SSL_DTLSEXT_HB_ENABLED;
}
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
next_proto_neg_seen = s->s3->next_proto_neg_seen;
s->s3->next_proto_neg_seen = 0;
if (next_proto_neg_seen && s->ctx->next_protos_advertised_cb) {
const unsigned char *npa;
unsigned int npalen;
int r;
r = s->ctx->next_protos_advertised_cb(s, &npa, &npalen,
s->
ctx->next_protos_advertised_cb_arg);
if (r == SSL_TLSEXT_ERR_OK) {
if ((long)(limit - ret - 4 - npalen) < 0)
return NULL;
s2n(TLSEXT_TYPE_next_proto_neg, ret);
s2n(npalen, ret);
memcpy(ret, npa, npalen);
ret += npalen;
s->s3->next_proto_neg_seen = 1;
}
}
#endif
if (!custom_ext_add(s, 1, &ret, limit, al))
return NULL;
if (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) {
/*
* Don't use encrypt_then_mac if AEAD or RC4 might want to disable
* for other cases too.
*/
if (s->s3->tmp.new_cipher->algorithm_mac == SSL_AEAD
|| s->s3->tmp.new_cipher->algorithm_enc == SSL_RC4
|| s->s3->tmp.new_cipher->algorithm_enc == SSL_eGOST2814789CNT
|| s->s3->tmp.new_cipher->algorithm_enc == SSL_eGOST2814789CNT12)
s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC;
else {
s2n(TLSEXT_TYPE_encrypt_then_mac, ret);
s2n(0, ret);
}
}
if (s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS) {
s2n(TLSEXT_TYPE_extended_master_secret, ret);
s2n(0, ret);
}
if (s->s3->alpn_selected != NULL) {
const unsigned char *selected = s->s3->alpn_selected;
unsigned int len = s->s3->alpn_selected_len;
if ((long)(limit - ret - 4 - 2 - 1 - len) < 0)
return NULL;
s2n(TLSEXT_TYPE_application_layer_protocol_negotiation, ret);
s2n(3 + len, ret);
s2n(1 + len, ret);
*ret++ = len;
memcpy(ret, selected, len);
ret += len;
}
done:
if ((extdatalen = ret - orig - 2) == 0)
return orig;
s2n(extdatalen, orig);
return ret;
}
|
CWE-20
| 9,420 | 16,382 |
229188700976770064493586623229517720737
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int ssl_check_clienthello_tlsext_early(SSL *s)
{
int ret = SSL_TLSEXT_ERR_NOACK;
int al = SSL_AD_UNRECOGNIZED_NAME;
#ifndef OPENSSL_NO_EC
/*
* The handling of the ECPointFormats extension is done elsewhere, namely
* in ssl3_choose_cipher in s3_lib.c.
*/
/*
* The handling of the EllipticCurves extension is done elsewhere, namely
* in ssl3_choose_cipher in s3_lib.c.
*/
#endif
if (s->ctx != NULL && s->ctx->tlsext_servername_callback != 0)
ret =
s->ctx->tlsext_servername_callback(s, &al,
s->ctx->tlsext_servername_arg);
else if (s->initial_ctx != NULL
&& s->initial_ctx->tlsext_servername_callback != 0)
ret =
s->initial_ctx->tlsext_servername_callback(s, &al,
s->
initial_ctx->tlsext_servername_arg);
switch (ret) {
case SSL_TLSEXT_ERR_ALERT_FATAL:
ssl3_send_alert(s, SSL3_AL_FATAL, al);
return -1;
case SSL_TLSEXT_ERR_ALERT_WARNING:
ssl3_send_alert(s, SSL3_AL_WARNING, al);
return 1;
case SSL_TLSEXT_ERR_NOACK:
s->servername_done = 0;
default:
return 1;
}
}
|
CWE-20
| 9,421 | 16,383 |
228577215252947829702070836142272318361
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int ssl_check_clienthello_tlsext_late(SSL *s, int *al)
{
s->tlsext_status_expected = 0;
/*
* If status request then ask callback what to do. Note: this must be
* called after servername callbacks in case the certificate has changed,
* and must be called after the cipher has been chosen because this may
* influence which certificate is sent
*/
if ((s->tlsext_status_type != -1) && s->ctx && s->ctx->tlsext_status_cb) {
int ret;
CERT_PKEY *certpkey;
certpkey = ssl_get_server_send_pkey(s);
/* If no certificate can't return certificate status */
if (certpkey != NULL) {
/*
* Set current certificate to one we will use so SSL_get_certificate
* et al can pick it up.
*/
s->cert->key = certpkey;
ret = s->ctx->tlsext_status_cb(s, s->ctx->tlsext_status_arg);
switch (ret) {
/* We don't want to send a status request response */
case SSL_TLSEXT_ERR_NOACK:
s->tlsext_status_expected = 0;
break;
/* status request response should be sent */
case SSL_TLSEXT_ERR_OK:
if (s->tlsext_ocsp_resp)
s->tlsext_status_expected = 1;
break;
/* something bad happened */
case SSL_TLSEXT_ERR_ALERT_FATAL:
default:
*al = SSL_AD_INTERNAL_ERROR;
return 0;
}
}
}
if (!tls1_alpn_handle_client_hello_late(s, al)) {
return 0;
}
return 1;
}
|
CWE-20
| 9,422 | 16,384 |
212814266597152220518253086055499311205
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static void ssl_check_for_safari(SSL *s, const PACKET *pkt)
{
unsigned int type;
PACKET sni, tmppkt;
size_t ext_len;
static const unsigned char kSafariExtensionsBlock[] = {
0x00, 0x0a, /* elliptic_curves extension */
0x00, 0x08, /* 8 bytes */
0x00, 0x06, /* 6 bytes of curve ids */
0x00, 0x17, /* P-256 */
0x00, 0x18, /* P-384 */
0x00, 0x19, /* P-521 */
0x00, 0x0b, /* ec_point_formats */
0x00, 0x02, /* 2 bytes */
0x01, /* 1 point format */
0x00, /* uncompressed */
/* The following is only present in TLS 1.2 */
0x00, 0x0d, /* signature_algorithms */
0x00, 0x0c, /* 12 bytes */
0x00, 0x0a, /* 10 bytes */
0x05, 0x01, /* SHA-384/RSA */
0x04, 0x01, /* SHA-256/RSA */
0x02, 0x01, /* SHA-1/RSA */
0x04, 0x03, /* SHA-256/ECDSA */
0x02, 0x03, /* SHA-1/ECDSA */
};
/* Length of the common prefix (first two extensions). */
static const size_t kSafariCommonExtensionsLength = 18;
tmppkt = *pkt;
if (!PACKET_forward(&tmppkt, 2)
|| !PACKET_get_net_2(&tmppkt, &type)
|| !PACKET_get_length_prefixed_2(&tmppkt, &sni)) {
return;
}
if (type != TLSEXT_TYPE_server_name)
return;
ext_len = TLS1_get_client_version(s) >= TLS1_2_VERSION ?
sizeof(kSafariExtensionsBlock) : kSafariCommonExtensionsLength;
s->s3->is_probably_safari = PACKET_equal(&tmppkt, kSafariExtensionsBlock,
ext_len);
}
|
CWE-20
| 9,423 | 16,385 |
331750759486793687052971279134441844786
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static char ssl_next_proto_validate(PACKET *pkt)
{
PACKET tmp_protocol;
while (PACKET_remaining(pkt)) {
if (!PACKET_get_length_prefixed_1(pkt, &tmp_protocol)
|| PACKET_remaining(&tmp_protocol) == 0)
return 0;
}
return 1;
}
|
CWE-20
| 9,427 | 16,386 |
139655657991810168869958421859821558095
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int ssl_parse_clienthello_tlsext(SSL *s, PACKET *pkt)
{
int al = -1;
custom_ext_init(&s->cert->srv_ext);
if (ssl_scan_clienthello_tlsext(s, pkt, &al) <= 0) {
ssl3_send_alert(s, SSL3_AL_FATAL, al);
return 0;
}
if (ssl_check_clienthello_tlsext_early(s) <= 0) {
SSLerr(SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT, SSL_R_CLIENTHELLO_TLSEXT);
return 0;
}
return 1;
}
|
CWE-20
| 9,428 | 16,387 |
116933713248091657493975877102689081972
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt)
{
int al = -1;
if (s->version < SSL3_VERSION)
return 1;
if (ssl_scan_serverhello_tlsext(s, pkt, &al) <= 0) {
ssl3_send_alert(s, SSL3_AL_FATAL, al);
return 0;
}
if (ssl_check_serverhello_tlsext(s) <= 0) {
SSLerr(SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT, SSL_R_SERVERHELLO_TLSEXT);
return 0;
}
return 1;
}
|
CWE-20
| 9,429 | 16,388 |
208178395828817696794893775510251599184
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int ssl_prepare_clienthello_tlsext(SSL *s)
{
s->s3->alpn_sent = 0;
return 1;
}
|
CWE-20
| 9,430 | 16,389 |
62222551390720258301521155521239709307
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int ssl_scan_clienthello_tlsext(SSL *s, PACKET *pkt, int *al)
{
unsigned int type;
int renegotiate_seen = 0;
PACKET extensions;
*al = SSL_AD_DECODE_ERROR;
s->servername_done = 0;
s->tlsext_status_type = -1;
#ifndef OPENSSL_NO_NEXTPROTONEG
s->s3->next_proto_neg_seen = 0;
#endif
OPENSSL_free(s->s3->alpn_selected);
s->s3->alpn_selected = NULL;
s->s3->alpn_selected_len = 0;
OPENSSL_free(s->s3->alpn_proposed);
s->s3->alpn_proposed = NULL;
s->s3->alpn_proposed_len = 0;
#ifndef OPENSSL_NO_HEARTBEATS
s->tlsext_heartbeat &= ~(SSL_DTLSEXT_HB_ENABLED |
SSL_DTLSEXT_HB_DONT_SEND_REQUESTS);
#endif
#ifndef OPENSSL_NO_EC
if (s->options & SSL_OP_SAFARI_ECDHE_ECDSA_BUG)
ssl_check_for_safari(s, pkt);
#endif /* !OPENSSL_NO_EC */
/* Clear any signature algorithms extension received */
OPENSSL_free(s->s3->tmp.peer_sigalgs);
s->s3->tmp.peer_sigalgs = NULL;
s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC;
#ifndef OPENSSL_NO_SRP
OPENSSL_free(s->srp_ctx.login);
s->srp_ctx.login = NULL;
#endif
s->srtp_profile = NULL;
if (PACKET_remaining(pkt) == 0)
goto ri_check;
if (!PACKET_as_length_prefixed_2(pkt, &extensions))
return 0;
if (!tls1_check_duplicate_extensions(&extensions))
return 0;
/*
* We parse all extensions to ensure the ClientHello is well-formed but,
* unless an extension specifies otherwise, we ignore extensions upon
* resumption.
*/
while (PACKET_get_net_2(&extensions, &type)) {
PACKET extension;
if (!PACKET_get_length_prefixed_2(&extensions, &extension))
return 0;
if (s->tlsext_debug_cb)
s->tlsext_debug_cb(s, 0, type, PACKET_data(&extension),
PACKET_remaining(&extension),
s->tlsext_debug_arg);
if (type == TLSEXT_TYPE_renegotiate) {
if (!ssl_parse_clienthello_renegotiate_ext(s, &extension, al))
return 0;
renegotiate_seen = 1;
} else if (s->version == SSL3_VERSION) {
}
/*-
* The servername extension is treated as follows:
*
* - Only the hostname type is supported with a maximum length of 255.
* - The servername is rejected if too long or if it contains zeros,
* in which case an fatal alert is generated.
* - The servername field is maintained together with the session cache.
* - When a session is resumed, the servername call back invoked in order
* to allow the application to position itself to the right context.
* - The servername is acknowledged if it is new for a session or when
* it is identical to a previously used for the same session.
* Applications can control the behaviour. They can at any time
* set a 'desirable' servername for a new SSL object. This can be the
* case for example with HTTPS when a Host: header field is received and
* a renegotiation is requested. In this case, a possible servername
* presented in the new client hello is only acknowledged if it matches
* the value of the Host: field.
* - Applications must use SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
* if they provide for changing an explicit servername context for the
* session, i.e. when the session has been established with a servername
* extension.
* - On session reconnect, the servername extension may be absent.
*
*/
else if (type == TLSEXT_TYPE_server_name) {
unsigned int servname_type;
PACKET sni, hostname;
if (!PACKET_as_length_prefixed_2(&extension, &sni)
/* ServerNameList must be at least 1 byte long. */
|| PACKET_remaining(&sni) == 0) {
return 0;
}
/*
* Although the server_name extension was intended to be
* extensible to new name types, RFC 4366 defined the
* syntax inextensibility and OpenSSL 1.0.x parses it as
* such.
* RFC 6066 corrected the mistake but adding new name types
* is nevertheless no longer feasible, so act as if no other
* SNI types can exist, to simplify parsing.
*
* Also note that the RFC permits only one SNI value per type,
* i.e., we can only have a single hostname.
*/
if (!PACKET_get_1(&sni, &servname_type)
|| servname_type != TLSEXT_NAMETYPE_host_name
|| !PACKET_as_length_prefixed_2(&sni, &hostname)) {
return 0;
}
if (!s->hit) {
if (PACKET_remaining(&hostname) > TLSEXT_MAXLEN_host_name) {
*al = TLS1_AD_UNRECOGNIZED_NAME;
return 0;
}
if (PACKET_contains_zero_byte(&hostname)) {
*al = TLS1_AD_UNRECOGNIZED_NAME;
return 0;
}
if (!PACKET_strndup(&hostname, &s->session->tlsext_hostname)) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
s->servername_done = 1;
} else {
/*
* TODO(openssl-team): if the SNI doesn't match, we MUST
* fall back to a full handshake.
*/
s->servername_done = s->session->tlsext_hostname
&& PACKET_equal(&hostname, s->session->tlsext_hostname,
strlen(s->session->tlsext_hostname));
}
}
#ifndef OPENSSL_NO_SRP
else if (type == TLSEXT_TYPE_srp) {
PACKET srp_I;
if (!PACKET_as_length_prefixed_1(&extension, &srp_I))
return 0;
if (PACKET_contains_zero_byte(&srp_I))
return 0;
/*
* TODO(openssl-team): currently, we re-authenticate the user
* upon resumption. Instead, we MUST ignore the login.
*/
if (!PACKET_strndup(&srp_I, &s->srp_ctx.login)) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
}
#endif
#ifndef OPENSSL_NO_EC
else if (type == TLSEXT_TYPE_ec_point_formats) {
PACKET ec_point_format_list;
if (!PACKET_as_length_prefixed_1(&extension, &ec_point_format_list)
|| PACKET_remaining(&ec_point_format_list) == 0) {
return 0;
}
if (!s->hit) {
if (!PACKET_memdup(&ec_point_format_list,
&s->session->tlsext_ecpointformatlist,
&s->
session->tlsext_ecpointformatlist_length)) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
}
} else if (type == TLSEXT_TYPE_elliptic_curves) {
PACKET elliptic_curve_list;
/* Each NamedCurve is 2 bytes and we must have at least 1. */
if (!PACKET_as_length_prefixed_2(&extension, &elliptic_curve_list)
|| PACKET_remaining(&elliptic_curve_list) == 0
|| (PACKET_remaining(&elliptic_curve_list) % 2) != 0) {
return 0;
}
if (!s->hit) {
if (!PACKET_memdup(&elliptic_curve_list,
&s->session->tlsext_ellipticcurvelist,
&s->
session->tlsext_ellipticcurvelist_length)) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
}
}
#endif /* OPENSSL_NO_EC */
else if (type == TLSEXT_TYPE_session_ticket) {
if (s->tls_session_ticket_ext_cb &&
!s->tls_session_ticket_ext_cb(s, PACKET_data(&extension),
PACKET_remaining(&extension),
s->tls_session_ticket_ext_cb_arg))
{
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
} else if (type == TLSEXT_TYPE_signature_algorithms) {
PACKET supported_sig_algs;
if (!PACKET_as_length_prefixed_2(&extension, &supported_sig_algs)
|| (PACKET_remaining(&supported_sig_algs) % 2) != 0
|| PACKET_remaining(&supported_sig_algs) == 0) {
return 0;
}
if (!s->hit) {
if (!tls1_save_sigalgs(s, PACKET_data(&supported_sig_algs),
PACKET_remaining(&supported_sig_algs))) {
return 0;
}
}
} else if (type == TLSEXT_TYPE_status_request) {
if (!PACKET_get_1(&extension,
(unsigned int *)&s->tlsext_status_type)) {
return 0;
}
#ifndef OPENSSL_NO_OCSP
if (s->tlsext_status_type == TLSEXT_STATUSTYPE_ocsp) {
const unsigned char *ext_data;
PACKET responder_id_list, exts;
if (!PACKET_get_length_prefixed_2
(&extension, &responder_id_list))
return 0;
while (PACKET_remaining(&responder_id_list) > 0) {
OCSP_RESPID *id;
PACKET responder_id;
const unsigned char *id_data;
if (!PACKET_get_length_prefixed_2(&responder_id_list,
&responder_id)
|| PACKET_remaining(&responder_id) == 0) {
return 0;
}
if (s->tlsext_ocsp_ids == NULL
&& (s->tlsext_ocsp_ids =
sk_OCSP_RESPID_new_null()) == NULL) {
*al = SSL_AD_INTERNAL_ERROR;
return 0;
}
id_data = PACKET_data(&responder_id);
id = d2i_OCSP_RESPID(NULL, &id_data,
PACKET_remaining(&responder_id));
if (id == NULL)
return 0;
if (id_data != PACKET_end(&responder_id)) {
OCSP_RESPID_free(id);
return 0;
}
if (!sk_OCSP_RESPID_push(s->tlsext_ocsp_ids, id)) {
OCSP_RESPID_free(id);
*al = SSL_AD_INTERNAL_ERROR;
return 0;
}
}
/* Read in request_extensions */
if (!PACKET_as_length_prefixed_2(&extension, &exts))
return 0;
if (PACKET_remaining(&exts) > 0) {
ext_data = PACKET_data(&exts);
sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts,
X509_EXTENSION_free);
s->tlsext_ocsp_exts =
d2i_X509_EXTENSIONS(NULL, &ext_data,
PACKET_remaining(&exts));
if (s->tlsext_ocsp_exts == NULL
|| ext_data != PACKET_end(&exts)) {
return 0;
}
}
} else
#endif
{
/*
* We don't know what to do with any other type so ignore it.
*/
s->tlsext_status_type = -1;
}
}
#ifndef OPENSSL_NO_HEARTBEATS
else if (SSL_IS_DTLS(s) && type == TLSEXT_TYPE_heartbeat) {
unsigned int hbtype;
if (!PACKET_get_1(&extension, &hbtype)
|| PACKET_remaining(&extension)) {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
switch (hbtype) {
case 0x01: /* Client allows us to send HB requests */
s->tlsext_heartbeat |= SSL_DTLSEXT_HB_ENABLED;
break;
case 0x02: /* Client doesn't accept HB requests */
s->tlsext_heartbeat |= SSL_DTLSEXT_HB_ENABLED;
s->tlsext_heartbeat |= SSL_DTLSEXT_HB_DONT_SEND_REQUESTS;
break;
default:
*al = SSL_AD_ILLEGAL_PARAMETER;
return 0;
}
}
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
else if (type == TLSEXT_TYPE_next_proto_neg &&
s->s3->tmp.finish_md_len == 0) {
/*-
* We shouldn't accept this extension on a
* renegotiation.
*
* s->new_session will be set on renegotiation, but we
* probably shouldn't rely that it couldn't be set on
* the initial renegotiation too in certain cases (when
* there's some other reason to disallow resuming an
* earlier session -- the current code won't be doing
* anything like that, but this might change).
*
* A valid sign that there's been a previous handshake
* in this connection is if s->s3->tmp.finish_md_len >
* 0. (We are talking about a check that will happen
* in the Hello protocol round, well before a new
* Finished message could have been computed.)
*/
s->s3->next_proto_neg_seen = 1;
}
#endif
else if (type == TLSEXT_TYPE_application_layer_protocol_negotiation &&
s->s3->tmp.finish_md_len == 0) {
if (!tls1_alpn_handle_client_hello(s, &extension, al))
return 0;
}
/* session ticket processed earlier */
#ifndef OPENSSL_NO_SRTP
else if (SSL_IS_DTLS(s) && SSL_get_srtp_profiles(s)
&& type == TLSEXT_TYPE_use_srtp) {
if (ssl_parse_clienthello_use_srtp_ext(s, &extension, al))
return 0;
}
#endif
else if (type == TLSEXT_TYPE_encrypt_then_mac)
s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC;
/*
* Note: extended master secret extension handled in
* tls_check_serverhello_tlsext_early()
*/
/*
* If this ClientHello extension was unhandled and this is a
* nonresumed connection, check whether the extension is a custom
* TLS Extension (has a custom_srv_ext_record), and if so call the
* callback and record the extension number so that an appropriate
* ServerHello may be later returned.
*/
else if (!s->hit) {
if (custom_ext_parse(s, 1, type, PACKET_data(&extension),
PACKET_remaining(&extension), al) <= 0)
return 0;
}
}
if (PACKET_remaining(pkt) != 0) {
/*
* tls1_check_duplicate_extensions should ensure this never happens.
*/
*al = SSL_AD_INTERNAL_ERROR;
return 0;
}
ri_check:
/* Need RI if renegotiating */
if (!renegotiate_seen && s->renegotiate &&
!(s->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION)) {
*al = SSL_AD_HANDSHAKE_FAILURE;
SSLerr(SSL_F_SSL_SCAN_CLIENTHELLO_TLSEXT,
SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
return 0;
}
/*
* This function currently has no state to clean up, so it returns directly.
* If parsing fails at any point, the function returns early.
* The SSL object may be left with partial data from extensions, but it must
* then no longer be used, and clearing it up will free the leftovers.
*/
return 1;
}
|
CWE-20
| 9,431 | 16,390 |
4750600259155951624765868697104402760
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int ssl_scan_serverhello_tlsext(SSL *s, PACKET *pkt, int *al)
{
unsigned int length, type, size;
int tlsext_servername = 0;
int renegotiate_seen = 0;
#ifndef OPENSSL_NO_NEXTPROTONEG
s->s3->next_proto_neg_seen = 0;
#endif
s->tlsext_ticket_expected = 0;
OPENSSL_free(s->s3->alpn_selected);
s->s3->alpn_selected = NULL;
#ifndef OPENSSL_NO_HEARTBEATS
s->tlsext_heartbeat &= ~(SSL_DTLSEXT_HB_ENABLED |
SSL_DTLSEXT_HB_DONT_SEND_REQUESTS);
#endif
s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC;
s->s3->flags &= ~TLS1_FLAGS_RECEIVED_EXTMS;
if (!PACKET_get_net_2(pkt, &length))
goto ri_check;
if (PACKET_remaining(pkt) != length) {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
if (!tls1_check_duplicate_extensions(pkt)) {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
while (PACKET_get_net_2(pkt, &type) && PACKET_get_net_2(pkt, &size)) {
const unsigned char *data;
PACKET spkt;
if (!PACKET_get_sub_packet(pkt, &spkt, size)
|| !PACKET_peek_bytes(&spkt, &data, size))
goto ri_check;
if (s->tlsext_debug_cb)
s->tlsext_debug_cb(s, 1, type, data, size, s->tlsext_debug_arg);
if (type == TLSEXT_TYPE_renegotiate) {
if (!ssl_parse_serverhello_renegotiate_ext(s, &spkt, al))
return 0;
renegotiate_seen = 1;
} else if (s->version == SSL3_VERSION) {
} else if (type == TLSEXT_TYPE_server_name) {
if (s->tlsext_hostname == NULL || size > 0) {
*al = TLS1_AD_UNRECOGNIZED_NAME;
return 0;
}
tlsext_servername = 1;
}
#ifndef OPENSSL_NO_EC
else if (type == TLSEXT_TYPE_ec_point_formats) {
unsigned int ecpointformatlist_length;
if (!PACKET_get_1(&spkt, &ecpointformatlist_length)
|| ecpointformatlist_length != size - 1) {
*al = TLS1_AD_DECODE_ERROR;
return 0;
}
if (!s->hit) {
s->session->tlsext_ecpointformatlist_length = 0;
OPENSSL_free(s->session->tlsext_ecpointformatlist);
if ((s->session->tlsext_ecpointformatlist =
OPENSSL_malloc(ecpointformatlist_length)) == NULL) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
s->session->tlsext_ecpointformatlist_length =
ecpointformatlist_length;
if (!PACKET_copy_bytes(&spkt,
s->session->tlsext_ecpointformatlist,
ecpointformatlist_length)) {
*al = TLS1_AD_DECODE_ERROR;
return 0;
}
}
}
#endif /* OPENSSL_NO_EC */
else if (type == TLSEXT_TYPE_session_ticket) {
if (s->tls_session_ticket_ext_cb &&
!s->tls_session_ticket_ext_cb(s, data, size,
s->tls_session_ticket_ext_cb_arg))
{
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
if (!tls_use_ticket(s) || (size > 0)) {
*al = TLS1_AD_UNSUPPORTED_EXTENSION;
return 0;
}
s->tlsext_ticket_expected = 1;
} else if (type == TLSEXT_TYPE_status_request) {
/*
* MUST be empty and only sent if we've requested a status
* request message.
*/
if ((s->tlsext_status_type == -1) || (size > 0)) {
*al = TLS1_AD_UNSUPPORTED_EXTENSION;
return 0;
}
/* Set flag to expect CertificateStatus message */
s->tlsext_status_expected = 1;
}
#ifndef OPENSSL_NO_CT
/*
* Only take it if we asked for it - i.e if there is no CT validation
* callback set, then a custom extension MAY be processing it, so we
* need to let control continue to flow to that.
*/
else if (type == TLSEXT_TYPE_signed_certificate_timestamp &&
s->ct_validation_callback != NULL) {
/* Simply copy it off for later processing */
if (s->tlsext_scts != NULL) {
OPENSSL_free(s->tlsext_scts);
s->tlsext_scts = NULL;
}
s->tlsext_scts_len = size;
if (size > 0) {
s->tlsext_scts = OPENSSL_malloc(size);
if (s->tlsext_scts == NULL) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
memcpy(s->tlsext_scts, data, size);
}
}
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
else if (type == TLSEXT_TYPE_next_proto_neg &&
s->s3->tmp.finish_md_len == 0) {
unsigned char *selected;
unsigned char selected_len;
/* We must have requested it. */
if (s->ctx->next_proto_select_cb == NULL) {
*al = TLS1_AD_UNSUPPORTED_EXTENSION;
return 0;
}
/* The data must be valid */
if (!ssl_next_proto_validate(&spkt)) {
*al = TLS1_AD_DECODE_ERROR;
return 0;
}
if (s->ctx->next_proto_select_cb(s, &selected, &selected_len, data,
size,
s->
ctx->next_proto_select_cb_arg) !=
SSL_TLSEXT_ERR_OK) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
s->next_proto_negotiated = OPENSSL_malloc(selected_len);
if (s->next_proto_negotiated == NULL) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
memcpy(s->next_proto_negotiated, selected, selected_len);
s->next_proto_negotiated_len = selected_len;
s->s3->next_proto_neg_seen = 1;
}
#endif
else if (type == TLSEXT_TYPE_application_layer_protocol_negotiation) {
unsigned len;
/* We must have requested it. */
if (!s->s3->alpn_sent) {
*al = TLS1_AD_UNSUPPORTED_EXTENSION;
return 0;
}
/*-
* The extension data consists of:
* uint16 list_length
* uint8 proto_length;
* uint8 proto[proto_length];
*/
if (!PACKET_get_net_2(&spkt, &len)
|| PACKET_remaining(&spkt) != len || !PACKET_get_1(&spkt, &len)
|| PACKET_remaining(&spkt) != len) {
*al = TLS1_AD_DECODE_ERROR;
return 0;
}
OPENSSL_free(s->s3->alpn_selected);
s->s3->alpn_selected = OPENSSL_malloc(len);
if (s->s3->alpn_selected == NULL) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
if (!PACKET_copy_bytes(&spkt, s->s3->alpn_selected, len)) {
*al = TLS1_AD_DECODE_ERROR;
return 0;
}
s->s3->alpn_selected_len = len;
}
#ifndef OPENSSL_NO_HEARTBEATS
else if (SSL_IS_DTLS(s) && type == TLSEXT_TYPE_heartbeat) {
unsigned int hbtype;
if (!PACKET_get_1(&spkt, &hbtype)) {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
switch (hbtype) {
case 0x01: /* Server allows us to send HB requests */
s->tlsext_heartbeat |= SSL_DTLSEXT_HB_ENABLED;
break;
case 0x02: /* Server doesn't accept HB requests */
s->tlsext_heartbeat |= SSL_DTLSEXT_HB_ENABLED;
s->tlsext_heartbeat |= SSL_DTLSEXT_HB_DONT_SEND_REQUESTS;
break;
default:
*al = SSL_AD_ILLEGAL_PARAMETER;
return 0;
}
}
#endif
#ifndef OPENSSL_NO_SRTP
else if (SSL_IS_DTLS(s) && type == TLSEXT_TYPE_use_srtp) {
if (ssl_parse_serverhello_use_srtp_ext(s, &spkt, al))
return 0;
}
#endif
else if (type == TLSEXT_TYPE_encrypt_then_mac) {
/* Ignore if inappropriate ciphersuite */
if (s->s3->tmp.new_cipher->algorithm_mac != SSL_AEAD
&& s->s3->tmp.new_cipher->algorithm_enc != SSL_RC4)
s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC;
} else if (type == TLSEXT_TYPE_extended_master_secret) {
s->s3->flags |= TLS1_FLAGS_RECEIVED_EXTMS;
if (!s->hit)
s->session->flags |= SSL_SESS_FLAG_EXTMS;
}
/*
* If this extension type was not otherwise handled, but matches a
* custom_cli_ext_record, then send it to the c callback
*/
else if (custom_ext_parse(s, 0, type, data, size, al) <= 0)
return 0;
}
if (PACKET_remaining(pkt) != 0) {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
if (!s->hit && tlsext_servername == 1) {
if (s->tlsext_hostname) {
if (s->session->tlsext_hostname == NULL) {
s->session->tlsext_hostname =
OPENSSL_strdup(s->tlsext_hostname);
if (!s->session->tlsext_hostname) {
*al = SSL_AD_UNRECOGNIZED_NAME;
return 0;
}
} else {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
}
}
ri_check:
/*
* Determine if we need to see RI. Strictly speaking if we want to avoid
* an attack we should *always* see RI even on initial server hello
* because the client doesn't see any renegotiation during an attack.
* However this would mean we could not connect to any server which
* doesn't support RI so for the immediate future tolerate RI absence
*/
if (!renegotiate_seen && !(s->options & SSL_OP_LEGACY_SERVER_CONNECT)
&& !(s->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION)) {
*al = SSL_AD_HANDSHAKE_FAILURE;
SSLerr(SSL_F_SSL_SCAN_SERVERHELLO_TLSEXT,
SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
return 0;
}
if (s->hit) {
/*
* Check extended master secret extension is consistent with
* original session.
*/
if (!(s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS) !=
!(s->session->flags & SSL_SESS_FLAG_EXTMS)) {
*al = SSL_AD_HANDSHAKE_FAILURE;
SSLerr(SSL_F_SSL_SCAN_SERVERHELLO_TLSEXT, SSL_R_INCONSISTENT_EXTMS);
return 0;
}
}
return 1;
}
|
CWE-20
| 9,432 | 16,391 |
336203463093829824474181087028873315821
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee)
{
if (vfy)
vfy = SSL_SECOP_PEER;
if (is_ee) {
if (!ssl_security_cert_key(s, ctx, x, SSL_SECOP_EE_KEY | vfy))
return SSL_R_EE_KEY_TOO_SMALL;
} else {
if (!ssl_security_cert_key(s, ctx, x, SSL_SECOP_CA_KEY | vfy))
return SSL_R_CA_KEY_TOO_SMALL;
}
if (!ssl_security_cert_sig(s, ctx, x, SSL_SECOP_CA_MD | vfy))
return SSL_R_CA_MD_TOO_WEAK;
return 1;
}
|
CWE-20
| 9,433 | 16,392 |
124964002267180519934820391438630454428
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *x, int vfy)
{
int rv, start_idx, i;
if (x == NULL) {
x = sk_X509_value(sk, 0);
start_idx = 1;
} else
start_idx = 0;
rv = ssl_security_cert(s, NULL, x, vfy, 1);
if (rv != 1)
return rv;
for (i = start_idx; i < sk_X509_num(sk); i++) {
x = sk_X509_value(sk, i);
rv = ssl_security_cert(s, NULL, x, vfy, 0);
if (rv != 1)
return rv;
}
return 1;
}
|
CWE-20
| 9,434 | 16,393 |
123490603775279243752698906791674523680
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int ssl_security_cert_key(SSL *s, SSL_CTX *ctx, X509 *x, int op)
{
int secbits = -1;
EVP_PKEY *pkey = X509_get0_pubkey(x);
if (pkey) {
/*
* If no parameters this will return -1 and fail using the default
* security callback for any non-zero security level. This will
* reject keys which omit parameters but this only affects DSA and
* omission of parameters is never (?) done in practice.
*/
secbits = EVP_PKEY_security_bits(pkey);
}
if (s)
return ssl_security(s, op, secbits, 0, x);
else
return ssl_ctx_security(ctx, op, secbits, 0, x);
}
|
CWE-20
| 9,435 | 16,394 |
274150180123720558822763827770809893981
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int ssl_security_cert_sig(SSL *s, SSL_CTX *ctx, X509 *x, int op)
{
/* Lookup signature algorithm digest */
int secbits = -1, md_nid = NID_undef, sig_nid;
/* Don't check signature if self signed */
if ((X509_get_extension_flags(x) & EXFLAG_SS) != 0)
return 1;
sig_nid = X509_get_signature_nid(x);
if (sig_nid && OBJ_find_sigid_algs(sig_nid, &md_nid, NULL)) {
const EVP_MD *md;
if (md_nid && (md = EVP_get_digestbynid(md_nid)))
secbits = EVP_MD_size(md) * 4;
}
if (s)
return ssl_security(s, op, secbits, md_nid, x);
else
return ssl_ctx_security(ctx, op, secbits, md_nid, x);
}
|
CWE-20
| 9,436 | 16,395 |
165407205110808953401871522810439289901
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
void ssl_set_client_disabled(SSL *s)
{
s->s3->tmp.mask_a = 0;
s->s3->tmp.mask_k = 0;
ssl_set_sig_mask(&s->s3->tmp.mask_a, s, SSL_SECOP_SIGALG_MASK);
ssl_get_client_min_max_version(s, &s->s3->tmp.min_ver, &s->s3->tmp.max_ver);
#ifndef OPENSSL_NO_PSK
/* with PSK there must be client callback set */
if (!s->psk_client_callback) {
s->s3->tmp.mask_a |= SSL_aPSK;
s->s3->tmp.mask_k |= SSL_PSK;
}
#endif /* OPENSSL_NO_PSK */
#ifndef OPENSSL_NO_SRP
if (!(s->srp_ctx.srp_Mask & SSL_kSRP)) {
s->s3->tmp.mask_a |= SSL_aSRP;
s->s3->tmp.mask_k |= SSL_kSRP;
}
#endif
}
|
CWE-20
| 9,437 | 16,396 |
103094017242059298619290153571498307409
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
void ssl_set_default_md(SSL *s)
{
const EVP_MD **pmd = s->s3->tmp.md;
#ifndef OPENSSL_NO_DSA
pmd[SSL_PKEY_DSA_SIGN] = ssl_md(SSL_MD_SHA1_IDX);
#endif
#ifndef OPENSSL_NO_RSA
if (SSL_USE_SIGALGS(s))
pmd[SSL_PKEY_RSA_SIGN] = ssl_md(SSL_MD_SHA1_IDX);
else
pmd[SSL_PKEY_RSA_SIGN] = ssl_md(SSL_MD_MD5_SHA1_IDX);
pmd[SSL_PKEY_RSA_ENC] = pmd[SSL_PKEY_RSA_SIGN];
#endif
#ifndef OPENSSL_NO_EC
pmd[SSL_PKEY_ECC] = ssl_md(SSL_MD_SHA1_IDX);
#endif
#ifndef OPENSSL_NO_GOST
pmd[SSL_PKEY_GOST01] = ssl_md(SSL_MD_GOST94_IDX);
pmd[SSL_PKEY_GOST12_256] = ssl_md(SSL_MD_GOST12_256_IDX);
pmd[SSL_PKEY_GOST12_512] = ssl_md(SSL_MD_GOST12_512_IDX);
#endif
}
|
CWE-20
| 9,438 | 16,397 |
30455432488457177409229162415318979298
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op)
{
const unsigned char *sigalgs;
size_t i, sigalgslen;
int have_rsa = 0, have_dsa = 0, have_ecdsa = 0;
/*
* Now go through all signature algorithms seeing if we support any for
* RSA, DSA, ECDSA. Do this for all versions not just TLS 1.2. To keep
* down calls to security callback only check if we have to.
*/
sigalgslen = tls12_get_psigalgs(s, &sigalgs);
for (i = 0; i < sigalgslen; i += 2, sigalgs += 2) {
switch (sigalgs[1]) {
#ifndef OPENSSL_NO_RSA
case TLSEXT_signature_rsa:
if (!have_rsa && tls12_sigalg_allowed(s, op, sigalgs))
have_rsa = 1;
break;
#endif
#ifndef OPENSSL_NO_DSA
case TLSEXT_signature_dsa:
if (!have_dsa && tls12_sigalg_allowed(s, op, sigalgs))
have_dsa = 1;
break;
#endif
#ifndef OPENSSL_NO_EC
case TLSEXT_signature_ecdsa:
if (!have_ecdsa && tls12_sigalg_allowed(s, op, sigalgs))
have_ecdsa = 1;
break;
#endif
}
}
if (!have_rsa)
*pmask_a |= SSL_aRSA;
if (!have_dsa)
*pmask_a |= SSL_aDSS;
if (!have_ecdsa)
*pmask_a |= SSL_aECDSA;
}
|
CWE-20
| 9,439 | 16,398 |
209449019279068962338882955966823411389
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
size_t tls12_copy_sigalgs(SSL *s, unsigned char *out,
const unsigned char *psig, size_t psiglen)
{
unsigned char *tmpout = out;
size_t i;
for (i = 0; i < psiglen; i += 2, psig += 2) {
if (tls12_sigalg_allowed(s, SSL_SECOP_SIGALG_SUPPORTED, psig)) {
*tmpout++ = psig[0];
*tmpout++ = psig[1];
}
}
return tmpout - out;
}
|
CWE-20
| 9,440 | 16,399 |
337753557430749075573005229856518536477
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int tls12_find_id(int nid, const tls12_lookup *table, size_t tlen)
{
size_t i;
for (i = 0; i < tlen; i++) {
if (table[i].nid == nid)
return table[i].id;
}
return -1;
}
|
CWE-20
| 9,441 | 16,400 |
326899647774357456176771985855584747763
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static const tls12_hash_info *tls12_get_hash_info(unsigned char hash_alg)
{
unsigned int i;
if (hash_alg == 0)
return NULL;
for (i = 0; i < OSSL_NELEM(tls12_md_info); i++) {
if (tls12_md_info[i].tlsext_hash == hash_alg)
return tls12_md_info + i;
}
return NULL;
}
|
CWE-20
| 9,444 | 16,401 |
331690337730608639160369952850802381500
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int tls12_get_pkey_idx(unsigned char sig_alg)
{
switch (sig_alg) {
#ifndef OPENSSL_NO_RSA
case TLSEXT_signature_rsa:
return SSL_PKEY_RSA_SIGN;
#endif
#ifndef OPENSSL_NO_DSA
case TLSEXT_signature_dsa:
return SSL_PKEY_DSA_SIGN;
#endif
#ifndef OPENSSL_NO_EC
case TLSEXT_signature_ecdsa:
return SSL_PKEY_ECC;
#endif
#ifndef OPENSSL_NO_GOST
case TLSEXT_signature_gostr34102001:
return SSL_PKEY_GOST01;
case TLSEXT_signature_gostr34102012_256:
return SSL_PKEY_GOST12_256;
case TLSEXT_signature_gostr34102012_512:
return SSL_PKEY_GOST12_512;
#endif
}
return -1;
}
|
CWE-20
| 9,445 | 16,402 |
329938009000619506474222997581450859154
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, const EVP_MD *md)
{
int sig_id, md_id;
if (!md)
return 0;
md_id = tls12_find_id(EVP_MD_type(md), tls12_md, OSSL_NELEM(tls12_md));
if (md_id == -1)
return 0;
sig_id = tls12_get_sigid(pk);
if (sig_id == -1)
return 0;
p[0] = (unsigned char)md_id;
p[1] = (unsigned char)sig_id;
return 1;
}
|
CWE-20
| 9,447 | 16,403 |
69935276068228123354524956906822309093
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int tls12_get_sigid(const EVP_PKEY *pk)
{
return tls12_find_id(EVP_PKEY_id(pk), tls12_sig, OSSL_NELEM(tls12_sig));
}
|
CWE-20
| 9,448 | 16,404 |
293372836897656713514524875711235579500
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int tls12_shared_sigalgs(SSL *s, TLS_SIGALGS *shsig,
const unsigned char *pref, size_t preflen,
const unsigned char *allow, size_t allowlen)
{
const unsigned char *ptmp, *atmp;
size_t i, j, nmatch = 0;
for (i = 0, ptmp = pref; i < preflen; i += 2, ptmp += 2) {
/* Skip disabled hashes or signature algorithms */
if (!tls12_sigalg_allowed(s, SSL_SECOP_SIGALG_SHARED, ptmp))
continue;
for (j = 0, atmp = allow; j < allowlen; j += 2, atmp += 2) {
if (ptmp[0] == atmp[0] && ptmp[1] == atmp[1]) {
nmatch++;
if (shsig) {
shsig->rhash = ptmp[0];
shsig->rsign = ptmp[1];
tls1_lookup_sigalg(&shsig->hash_nid,
&shsig->sign_nid,
&shsig->signandhash_nid, ptmp);
shsig++;
}
break;
}
}
}
return nmatch;
}
|
CWE-20
| 9,449 | 16,405 |
75050651333841348889776639454502358148
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int tls1_alpn_handle_client_hello(SSL *s, PACKET *pkt, int *al)
{
PACKET protocol_list, save_protocol_list, protocol;
*al = SSL_AD_DECODE_ERROR;
if (!PACKET_as_length_prefixed_2(pkt, &protocol_list)
|| PACKET_remaining(&protocol_list) < 2) {
return 0;
}
save_protocol_list = protocol_list;
do {
/* Protocol names can't be empty. */
if (!PACKET_get_length_prefixed_1(&protocol_list, &protocol)
|| PACKET_remaining(&protocol) == 0) {
return 0;
}
} while (PACKET_remaining(&protocol_list) != 0);
if (!PACKET_memdup(&save_protocol_list,
&s->s3->alpn_proposed, &s->s3->alpn_proposed_len)) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
return 1;
}
|
CWE-20
| 9,450 | 16,406 |
139256202517384086264991099225487063109
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int tls1_check_cert_param(SSL *s, X509 *x, int set_ee_md)
{
unsigned char comp_id, curve_id[2];
EVP_PKEY *pkey;
int rv;
pkey = X509_get0_pubkey(x);
if (!pkey)
return 0;
/* If not EC nothing to do */
if (EVP_PKEY_id(pkey) != EVP_PKEY_EC)
return 1;
rv = tls1_set_ec_id(curve_id, &comp_id, EVP_PKEY_get0_EC_KEY(pkey));
if (!rv)
return 0;
/*
* Can't check curve_id for client certs as we don't have a supported
* curves extension.
*/
rv = tls1_check_ec_key(s, s->server ? curve_id : NULL, &comp_id);
if (!rv)
return 0;
/*
* Special case for suite B. We *MUST* sign using SHA256+P-256 or
* SHA384+P-384, adjust digest if necessary.
*/
if (set_ee_md && tls1_suiteb(s)) {
int check_md;
size_t i;
CERT *c = s->cert;
if (curve_id[0])
return 0;
/* Check to see we have necessary signing algorithm */
if (curve_id[1] == TLSEXT_curve_P_256)
check_md = NID_ecdsa_with_SHA256;
else if (curve_id[1] == TLSEXT_curve_P_384)
check_md = NID_ecdsa_with_SHA384;
else
return 0; /* Should never happen */
for (i = 0; i < c->shared_sigalgslen; i++)
if (check_md == c->shared_sigalgs[i].signandhash_nid)
break;
if (i == c->shared_sigalgslen)
return 0;
if (set_ee_md == 2) {
if (check_md == NID_ecdsa_with_SHA256)
s->s3->tmp.md[SSL_PKEY_ECC] = EVP_sha256();
else
s->s3->tmp.md[SSL_PKEY_ECC] = EVP_sha384();
}
}
return rv;
}
|
CWE-20
| 9,451 | 16,407 |
293233284266117414501592581209334982302
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain,
int idx)
{
int i;
int rv = 0;
int check_flags = 0, strict_mode;
CERT_PKEY *cpk = NULL;
CERT *c = s->cert;
uint32_t *pvalid;
unsigned int suiteb_flags = tls1_suiteb(s);
/* idx == -1 means checking server chains */
if (idx != -1) {
/* idx == -2 means checking client certificate chains */
if (idx == -2) {
cpk = c->key;
idx = cpk - c->pkeys;
} else
cpk = c->pkeys + idx;
pvalid = s->s3->tmp.valid_flags + idx;
x = cpk->x509;
pk = cpk->privatekey;
chain = cpk->chain;
strict_mode = c->cert_flags & SSL_CERT_FLAGS_CHECK_TLS_STRICT;
/* If no cert or key, forget it */
if (!x || !pk)
goto end;
} else {
if (!x || !pk)
return 0;
idx = ssl_cert_type(x, pk);
if (idx == -1)
return 0;
pvalid = s->s3->tmp.valid_flags + idx;
if (c->cert_flags & SSL_CERT_FLAGS_CHECK_TLS_STRICT)
check_flags = CERT_PKEY_STRICT_FLAGS;
else
check_flags = CERT_PKEY_VALID_FLAGS;
strict_mode = 1;
}
if (suiteb_flags) {
int ok;
if (check_flags)
check_flags |= CERT_PKEY_SUITEB;
ok = X509_chain_check_suiteb(NULL, x, chain, suiteb_flags);
if (ok == X509_V_OK)
rv |= CERT_PKEY_SUITEB;
else if (!check_flags)
goto end;
}
/*
* Check all signature algorithms are consistent with signature
* algorithms extension if TLS 1.2 or later and strict mode.
*/
if (TLS1_get_version(s) >= TLS1_2_VERSION && strict_mode) {
int default_nid;
unsigned char rsign = 0;
if (s->s3->tmp.peer_sigalgs)
default_nid = 0;
/* If no sigalgs extension use defaults from RFC5246 */
else {
switch (idx) {
case SSL_PKEY_RSA_ENC:
case SSL_PKEY_RSA_SIGN:
rsign = TLSEXT_signature_rsa;
default_nid = NID_sha1WithRSAEncryption;
break;
case SSL_PKEY_DSA_SIGN:
rsign = TLSEXT_signature_dsa;
default_nid = NID_dsaWithSHA1;
break;
case SSL_PKEY_ECC:
rsign = TLSEXT_signature_ecdsa;
default_nid = NID_ecdsa_with_SHA1;
break;
case SSL_PKEY_GOST01:
rsign = TLSEXT_signature_gostr34102001;
default_nid = NID_id_GostR3411_94_with_GostR3410_2001;
break;
case SSL_PKEY_GOST12_256:
rsign = TLSEXT_signature_gostr34102012_256;
default_nid = NID_id_tc26_signwithdigest_gost3410_2012_256;
break;
case SSL_PKEY_GOST12_512:
rsign = TLSEXT_signature_gostr34102012_512;
default_nid = NID_id_tc26_signwithdigest_gost3410_2012_512;
break;
default:
default_nid = -1;
break;
}
}
/*
* If peer sent no signature algorithms extension and we have set
* preferred signature algorithms check we support sha1.
*/
if (default_nid > 0 && c->conf_sigalgs) {
size_t j;
const unsigned char *p = c->conf_sigalgs;
for (j = 0; j < c->conf_sigalgslen; j += 2, p += 2) {
if (p[0] == TLSEXT_hash_sha1 && p[1] == rsign)
break;
}
if (j == c->conf_sigalgslen) {
if (check_flags)
goto skip_sigs;
else
goto end;
}
}
/* Check signature algorithm of each cert in chain */
if (!tls1_check_sig_alg(c, x, default_nid)) {
if (!check_flags)
goto end;
} else
rv |= CERT_PKEY_EE_SIGNATURE;
rv |= CERT_PKEY_CA_SIGNATURE;
for (i = 0; i < sk_X509_num(chain); i++) {
if (!tls1_check_sig_alg(c, sk_X509_value(chain, i), default_nid)) {
if (check_flags) {
rv &= ~CERT_PKEY_CA_SIGNATURE;
break;
} else
goto end;
}
}
}
/* Else not TLS 1.2, so mark EE and CA signing algorithms OK */
else if (check_flags)
rv |= CERT_PKEY_EE_SIGNATURE | CERT_PKEY_CA_SIGNATURE;
skip_sigs:
/* Check cert parameters are consistent */
if (tls1_check_cert_param(s, x, check_flags ? 1 : 2))
rv |= CERT_PKEY_EE_PARAM;
else if (!check_flags)
goto end;
if (!s->server)
rv |= CERT_PKEY_CA_PARAM;
/* In strict mode check rest of chain too */
else if (strict_mode) {
rv |= CERT_PKEY_CA_PARAM;
for (i = 0; i < sk_X509_num(chain); i++) {
X509 *ca = sk_X509_value(chain, i);
if (!tls1_check_cert_param(s, ca, 0)) {
if (check_flags) {
rv &= ~CERT_PKEY_CA_PARAM;
break;
} else
goto end;
}
}
}
if (!s->server && strict_mode) {
STACK_OF(X509_NAME) *ca_dn;
int check_type = 0;
switch (EVP_PKEY_id(pk)) {
case EVP_PKEY_RSA:
check_type = TLS_CT_RSA_SIGN;
break;
case EVP_PKEY_DSA:
check_type = TLS_CT_DSS_SIGN;
break;
case EVP_PKEY_EC:
check_type = TLS_CT_ECDSA_SIGN;
break;
}
if (check_type) {
const unsigned char *ctypes;
int ctypelen;
if (c->ctypes) {
ctypes = c->ctypes;
ctypelen = (int)c->ctype_num;
} else {
ctypes = (unsigned char *)s->s3->tmp.ctype;
ctypelen = s->s3->tmp.ctype_num;
}
for (i = 0; i < ctypelen; i++) {
if (ctypes[i] == check_type) {
rv |= CERT_PKEY_CERT_TYPE;
break;
}
}
if (!(rv & CERT_PKEY_CERT_TYPE) && !check_flags)
goto end;
} else
rv |= CERT_PKEY_CERT_TYPE;
ca_dn = s->s3->tmp.ca_names;
if (!sk_X509_NAME_num(ca_dn))
rv |= CERT_PKEY_ISSUER_NAME;
if (!(rv & CERT_PKEY_ISSUER_NAME)) {
if (ssl_check_ca_name(ca_dn, x))
rv |= CERT_PKEY_ISSUER_NAME;
}
if (!(rv & CERT_PKEY_ISSUER_NAME)) {
for (i = 0; i < sk_X509_num(chain); i++) {
X509 *xtmp = sk_X509_value(chain, i);
if (ssl_check_ca_name(ca_dn, xtmp)) {
rv |= CERT_PKEY_ISSUER_NAME;
break;
}
}
}
if (!check_flags && !(rv & CERT_PKEY_ISSUER_NAME))
goto end;
} else
rv |= CERT_PKEY_ISSUER_NAME | CERT_PKEY_CERT_TYPE;
if (!check_flags || (rv & check_flags) == check_flags)
rv |= CERT_PKEY_VALID;
end:
if (TLS1_get_version(s) >= TLS1_2_VERSION) {
if (*pvalid & CERT_PKEY_EXPLICIT_SIGN)
rv |= CERT_PKEY_EXPLICIT_SIGN | CERT_PKEY_SIGN;
else if (s->s3->tmp.md[idx] != NULL)
rv |= CERT_PKEY_SIGN;
} else
rv |= CERT_PKEY_SIGN | CERT_PKEY_EXPLICIT_SIGN;
/*
* When checking a CERT_PKEY structure all flags are irrelevant if the
* chain is invalid.
*/
if (!check_flags) {
if (rv & CERT_PKEY_VALID)
*pvalid = rv;
else {
/* Preserve explicit sign flag, clear rest */
*pvalid &= CERT_PKEY_EXPLICIT_SIGN;
return 0;
}
}
return rv;
}
|
CWE-20
| 9,452 | 16,408 |
22479297377105818918427076273100501879
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int tls1_check_duplicate_extensions(const PACKET *packet)
{
PACKET extensions = *packet;
size_t num_extensions = 0, i = 0;
unsigned int *extension_types = NULL;
int ret = 0;
/* First pass: count the extensions. */
while (PACKET_remaining(&extensions) > 0) {
unsigned int type;
PACKET extension;
if (!PACKET_get_net_2(&extensions, &type) ||
!PACKET_get_length_prefixed_2(&extensions, &extension)) {
goto done;
}
num_extensions++;
}
if (num_extensions <= 1)
return 1;
extension_types = OPENSSL_malloc(sizeof(unsigned int) * num_extensions);
if (extension_types == NULL) {
SSLerr(SSL_F_TLS1_CHECK_DUPLICATE_EXTENSIONS, ERR_R_MALLOC_FAILURE);
goto done;
}
/* Second pass: gather the extension types. */
extensions = *packet;
for (i = 0; i < num_extensions; i++) {
PACKET extension;
if (!PACKET_get_net_2(&extensions, &extension_types[i]) ||
!PACKET_get_length_prefixed_2(&extensions, &extension)) {
/* This should not happen. */
SSLerr(SSL_F_TLS1_CHECK_DUPLICATE_EXTENSIONS, ERR_R_INTERNAL_ERROR);
goto done;
}
}
if (PACKET_remaining(&extensions) != 0) {
SSLerr(SSL_F_TLS1_CHECK_DUPLICATE_EXTENSIONS, ERR_R_INTERNAL_ERROR);
goto done;
}
/* Sort the extensions and make sure there are no duplicates. */
qsort(extension_types, num_extensions, sizeof(unsigned int), compare_uint);
for (i = 1; i < num_extensions; i++) {
if (extension_types[i - 1] == extension_types[i])
goto done;
}
ret = 1;
done:
OPENSSL_free(extension_types);
return ret;
}
|
CWE-20
| 9,454 | 16,409 |
36974863610752857827634858981953987437
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int tls1_check_ec_key(SSL *s,
unsigned char *curve_id, unsigned char *comp_id)
{
const unsigned char *pformats, *pcurves;
size_t num_formats, num_curves, i;
int j;
/*
* If point formats extension present check it, otherwise everything is
* supported (see RFC4492).
*/
if (comp_id && s->session->tlsext_ecpointformatlist) {
pformats = s->session->tlsext_ecpointformatlist;
num_formats = s->session->tlsext_ecpointformatlist_length;
for (i = 0; i < num_formats; i++, pformats++) {
if (*comp_id == *pformats)
break;
}
if (i == num_formats)
return 0;
}
if (!curve_id)
return 1;
/* Check curve is consistent with client and server preferences */
for (j = 0; j <= 1; j++) {
if (!tls1_get_curvelist(s, j, &pcurves, &num_curves))
return 0;
if (j == 1 && num_curves == 0) {
/*
* If we've not received any curves then skip this check.
* RFC 4492 does not require the supported elliptic curves extension
* so if it is not sent we can just choose any curve.
* It is invalid to send an empty list in the elliptic curves
* extension, so num_curves == 0 always means no extension.
*/
break;
}
for (i = 0; i < num_curves; i++, pcurves += 2) {
if (pcurves[0] == curve_id[0] && pcurves[1] == curve_id[1])
break;
}
if (i == num_curves)
return 0;
/* For clients can only check sent curve list */
if (!s->server)
break;
}
return 1;
}
|
CWE-20
| 9,455 | 16,410 |
229312260466474985879178668723407997497
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int tls1_check_ec_tmp_key(SSL *s, unsigned long cid)
{
/*
* If Suite B, AES128 MUST use P-256 and AES256 MUST use P-384, no other
* curves permitted.
*/
if (tls1_suiteb(s)) {
unsigned char curve_id[2];
/* Curve to check determined by ciphersuite */
if (cid == TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
curve_id[1] = TLSEXT_curve_P_256;
else if (cid == TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384)
curve_id[1] = TLSEXT_curve_P_384;
else
return 0;
curve_id[0] = 0;
/* Check this curve is acceptable */
if (!tls1_check_ec_key(s, curve_id, NULL))
return 0;
return 1;
}
/* Need a shared curve */
if (tls1_shared_curve(s, 0))
return 1;
return 0;
}
|
CWE-20
| 9,456 | 16,411 |
6873085973443820597588055436124889894
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int tls1_ec_curve_id2nid(int curve_id, unsigned int *pflags)
{
const tls_curve_info *cinfo;
/* ECC curves from RFC 4492 and RFC 7027 */
if ((curve_id < 1) || ((unsigned int)curve_id > OSSL_NELEM(nid_list)))
return 0;
cinfo = nid_list + curve_id - 1;
if (pflags)
*pflags = cinfo->flags;
return cinfo->nid;
}
|
CWE-20
| 9,457 | 16,412 |
203476524767321868029856740554516271433
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
int tls1_ec_nid2curve_id(int nid)
{
size_t i;
for (i = 0; i < OSSL_NELEM(nid_list); i++) {
if (nid_list[i].nid == nid)
return i + 1;
}
return 0;
}
|
CWE-20
| 9,458 | 16,413 |
216300091887570188704726710650240311671
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
void tls1_free(SSL *s)
{
OPENSSL_free(s->tlsext_session_ticket);
ssl3_free(s);
}
|
CWE-20
| 9,459 | 16,414 |
272281969140877400582142466852402344108
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static int tls1_get_curvelist(SSL *s, int sess,
const unsigned char **pcurves, size_t *num_curves)
{
size_t pcurveslen = 0;
if (sess) {
*pcurves = s->session->tlsext_ellipticcurvelist;
pcurveslen = s->session->tlsext_ellipticcurvelist_length;
} else {
/* For Suite B mode only include P-256, P-384 */
switch (tls1_suiteb(s)) {
case SSL_CERT_FLAG_SUITEB_128_LOS:
*pcurves = suiteb_curves;
pcurveslen = sizeof(suiteb_curves);
break;
case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY:
*pcurves = suiteb_curves;
pcurveslen = 2;
break;
case SSL_CERT_FLAG_SUITEB_192_LOS:
*pcurves = suiteb_curves + 2;
pcurveslen = 2;
break;
default:
*pcurves = s->tlsext_ellipticcurvelist;
pcurveslen = s->tlsext_ellipticcurvelist_length;
}
if (!*pcurves) {
*pcurves = eccurves_default;
pcurveslen = sizeof(eccurves_default);
}
}
/* We do not allow odd length arrays to enter the system. */
if (pcurveslen & 1) {
SSLerr(SSL_F_TLS1_GET_CURVELIST, ERR_R_INTERNAL_ERROR);
*num_curves = 0;
return 0;
} else {
*num_curves = pcurveslen / 2;
return 1;
}
}
|
CWE-20
| 9,460 | 16,415 |
243481377121400958482061598159392278663
| null | null | null |
openssl
|
e97763c92c655dcf4af2860b3abd2bc4c8a267f9
| 0 |
static void tls1_lookup_sigalg(int *phash_nid, int *psign_nid,
int *psignhash_nid, const unsigned char *data)
{
int sign_nid = NID_undef, hash_nid = NID_undef;
if (!phash_nid && !psign_nid && !psignhash_nid)
return;
if (phash_nid || psignhash_nid) {
hash_nid = tls12_find_nid(data[0], tls12_md, OSSL_NELEM(tls12_md));
if (phash_nid)
*phash_nid = hash_nid;
}
if (psign_nid || psignhash_nid) {
sign_nid = tls12_find_nid(data[1], tls12_sig, OSSL_NELEM(tls12_sig));
if (psign_nid)
*psign_nid = sign_nid;
}
if (psignhash_nid) {
if (sign_nid == NID_undef || hash_nid == NID_undef
|| OBJ_find_sigid_by_algs(psignhash_nid, hash_nid, sign_nid) <= 0)
*psignhash_nid = NID_undef;
}
}
|
CWE-20
| 9,461 | 16,416 |
201538457153636684361763343945738918915
| null | null | null |
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