OpenCoverage

d1_srtp.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/ssl/d1_srtp.c
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1/*-
2 * Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved.-
3 *-
4 * Licensed under the OpenSSL license (the "License"). You may not use-
5 * this file except in compliance with the License. You can obtain a copy-
6 * in the file LICENSE in the source distribution or at-
7 * https://www.openssl.org/source/license.html-
8 */-
9-
10/*-
11 * DTLS code by Eric Rescorla <ekr@rtfm.com>-
12 *-
13 * Copyright (C) 2006, Network Resonance, Inc. Copyright (C) 2011, RTFM, Inc.-
14 */-
15-
16#include <stdio.h>-
17#include <openssl/objects.h>-
18#include "ssl_locl.h"-
19-
20#ifndef OPENSSL_NO_SRTP-
21-
22static SRTP_PROTECTION_PROFILE srtp_known_profiles[] = {-
23 {-
24 "SRTP_AES128_CM_SHA1_80",-
25 SRTP_AES128_CM_SHA1_80,-
26 },-
27 {-
28 "SRTP_AES128_CM_SHA1_32",-
29 SRTP_AES128_CM_SHA1_32,-
30 },-
31 {-
32 "SRTP_AEAD_AES_128_GCM",-
33 SRTP_AEAD_AES_128_GCM,-
34 },-
35 {-
36 "SRTP_AEAD_AES_256_GCM",-
37 SRTP_AEAD_AES_256_GCM,-
38 },-
39 {0}-
40};-
41-
42static int find_profile_by_name(char *profile_name,-
43 SRTP_PROTECTION_PROFILE **pptr, size_t len)-
44{-
45 SRTP_PROTECTION_PROFILE *p;-
46-
47 p = srtp_known_profiles;-
48 while (p->name) {
p->nameDescription
TRUEnever evaluated
FALSEnever evaluated
0
49 if ((len == strlen(p->name))
(len == strlen(p->name))Description
TRUEnever evaluated
FALSEnever evaluated
0
50 && strncmp(p->name, profile_name, len) == 0) {
never executed: __result = (((const unsigned char *) (const char *) ( p->name ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( profile_name ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
(__extension__..., len ))) == 0Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_constant_p ( len )Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons..._p ( p->name )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( p->na...ze_t) ( len ))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...profile_name )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( profi...ze_t) ( len ))Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
51 *pptr = p;-
52 return 0;
never executed: return 0;
0
53 }-
54-
55 p++;-
56 }
never executed: end of block
0
57-
58 return 1;
never executed: return 1;
0
59}-
60-
61static int ssl_ctx_make_profiles(const char *profiles_string,-
62 STACK_OF(SRTP_PROTECTION_PROFILE) **out)-
63{-
64 STACK_OF(SRTP_PROTECTION_PROFILE) *profiles;-
65-
66 char *col;-
67 char *ptr = (char *)profiles_string;-
68 SRTP_PROTECTION_PROFILE *p;-
69-
70 if ((profiles = sk_SRTP_PROTECTION_PROFILE_new_null()) == NULL) {
(profiles = sk...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
71 SSLerr(SSL_F_SSL_CTX_MAKE_PROFILES,-
72 SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES);-
73 return 1;
never executed: return 1;
0
74 }-
75-
76 do {-
77 col = strchr(ptr, ':');
__builtin_constant_p ( ':' )Description
TRUEnever evaluated
FALSEnever evaluated
!__builtin_constant_p ( ptr )Description
TRUEnever evaluated
FALSEnever evaluated
( ':' ) == '\0'Description
TRUEnever evaluated
FALSEnever evaluated
0
78-
79 if (!find_profile_by_name(ptr, &p, col ? (size_t)(col - ptr)
!find_profile_...: strlen(ptr))Description
TRUEnever evaluated
FALSEnever evaluated
0
80 : strlen(ptr))) {
!find_profile_...: strlen(ptr))Description
TRUEnever evaluated
FALSEnever evaluated
0
81 if (sk_SRTP_PROTECTION_PROFILE_find(profiles, p) >= 0) {
sk_SRTP_PROTEC...files, p) >= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
82 SSLerr(SSL_F_SSL_CTX_MAKE_PROFILES,-
83 SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);-
84 goto err;
never executed: goto err;
0
85 }-
86-
87 if (!sk_SRTP_PROTECTION_PROFILE_push(profiles, p)) {
!sk_SRTP_PROTE...h(profiles, p)Description
TRUEnever evaluated
FALSEnever evaluated
0
88 SSLerr(SSL_F_SSL_CTX_MAKE_PROFILES,-
89 SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES);-
90 goto err;
never executed: goto err;
0
91 }-
92 } else {
never executed: end of block
0
93 SSLerr(SSL_F_SSL_CTX_MAKE_PROFILES,-
94 SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE);-
95 goto err;
never executed: goto err;
0
96 }-
97-
98 if (col)
colDescription
TRUEnever evaluated
FALSEnever evaluated
0
99 ptr = col + 1;
never executed: ptr = col + 1;
0
100 } while (col);
never executed: end of block
colDescription
TRUEnever evaluated
FALSEnever evaluated
0
101-
102 sk_SRTP_PROTECTION_PROFILE_free(*out);-
103-
104 *out = profiles;-
105-
106 return 0;
never executed: return 0;
0
107 err:-
108 sk_SRTP_PROTECTION_PROFILE_free(profiles);-
109 return 1;
never executed: return 1;
0
110}-
111-
112int SSL_CTX_set_tlsext_use_srtp(SSL_CTX *ctx, const char *profiles)-
113{-
114 return ssl_ctx_make_profiles(profiles, &ctx->srtp_profiles);
never executed: return ssl_ctx_make_profiles(profiles, &ctx->srtp_profiles);
0
115}-
116-
117int SSL_set_tlsext_use_srtp(SSL *s, const char *profiles)-
118{-
119 return ssl_ctx_make_profiles(profiles, &s->srtp_profiles);
never executed: return ssl_ctx_make_profiles(profiles, &s->srtp_profiles);
0
120}-
121-
122STACK_OF(SRTP_PROTECTION_PROFILE) *SSL_get_srtp_profiles(SSL *s)-
123{-
124 if (s != NULL) {
s != ((void *)0)Description
TRUEevaluated 4939 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
0-4939
125 if (s->srtp_profiles != NULL) {
s->srtp_profil...!= ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 4939 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-4939
126 return s->srtp_profiles;
never executed: return s->srtp_profiles;
0
127 } else if ((s->ctx != NULL) && (s->ctx->srtp_profiles != NULL)) {
(s->ctx != ((void *)0) )Description
TRUEevaluated 4939 times by 1 test
Evaluated by:
  • libssl.so.1.1
FALSEnever evaluated
(s->ctx->srtp_... ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 4939 times by 1 test
Evaluated by:
  • libssl.so.1.1
0-4939
128 return s->ctx->srtp_profiles;
never executed: return s->ctx->srtp_profiles;
0
129 }-
130 }
executed 4939 times by 1 test: end of block
Executed by:
  • libssl.so.1.1
4939
131-
132 return NULL;
executed 4939 times by 1 test: return ((void *)0) ;
Executed by:
  • libssl.so.1.1
4939
133}-
134-
135SRTP_PROTECTION_PROFILE *SSL_get_selected_srtp_profile(SSL *s)-
136{-
137 return s->srtp_profile;
executed 191 times by 1 test: return s->srtp_profile;
Executed by:
  • libssl.so.1.1
191
138}-
139#endif-
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