Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libssl/d1_srtp.c	Lines:	35	43	81.4 %
Date:	2017-11-07	Branches:	21	28	75.0 %


/* $OpenBSD: d1_srtp.c,v 1.22 2017/08/27 02:58:04 doug Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */
/* ====================================================================
 * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@openssl.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */
/*
 * DTLS code by Eric Rescorla <ekr@rtfm.com>
 *
 * Copyright (C) 2006, Network Resonance, Inc.
 * Copyright (C) 2011, RTFM, Inc.
 */

#include <stdio.h>

#include <openssl/objects.h>

#include "ssl_locl.h"

#ifndef OPENSSL_NO_SRTP

#include "bytestring.h"
#include "srtp.h"

static SRTP_PROTECTION_PROFILE srtp_known_profiles[] = {
	{
		"SRTP_AES128_CM_SHA1_80",
		SRTP_AES128_CM_SHA1_80,
	},
	{
		"SRTP_AES128_CM_SHA1_32",
		SRTP_AES128_CM_SHA1_32,
	},
	{0}
};

int
srtp_find_profile_by_name(char *profile_name, SRTP_PROTECTION_PROFILE **pptr,
    unsigned len)
{
	SRTP_PROTECTION_PROFILE *p;

	p = srtp_known_profiles;
	while (p->name) {
		if ((len == strlen(p->name)) &&
		    !strncmp(p->name, profile_name, len)) {
			*pptr = p;
			return 0;
		}

		p++;
	}

	return 1;
}

int
srtp_find_profile_by_num(unsigned profile_num, SRTP_PROTECTION_PROFILE **pptr)
{
	SRTP_PROTECTION_PROFILE *p;

	p = srtp_known_profiles;
	while (p->name) {
		if (p->id == profile_num) {
			*pptr = p;
			return 0;
		}
		p++;
	}

	return 1;
}

static int
ssl_ctx_make_profiles(const char *profiles_string,
    STACK_OF(SRTP_PROTECTION_PROFILE) **out)
{
	STACK_OF(SRTP_PROTECTION_PROFILE) *profiles;

	char *col;
	char *ptr = (char *)profiles_string;

	SRTP_PROTECTION_PROFILE *p;

	if (!(profiles = sk_SRTP_PROTECTION_PROFILE_new_null())) {
		SSLerrorx(SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES);
		return 1;
	}

	do {
		col = strchr(ptr, ':');

		if (!srtp_find_profile_by_name(ptr, &p,
		    col ? col - ptr : (int)strlen(ptr))) {
			sk_SRTP_PROTECTION_PROFILE_push(profiles, p);
		} else {
			SSLerrorx(SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE);
			sk_SRTP_PROTECTION_PROFILE_free(profiles);
			return 1;
		}

		if (col)
			ptr = col + 1;
	} while (col);

	*out = profiles;

	return 0;
}

int
SSL_CTX_set_tlsext_use_srtp(SSL_CTX *ctx, const char *profiles)
{
	return ssl_ctx_make_profiles(profiles, &ctx->internal->srtp_profiles);
}

int
SSL_set_tlsext_use_srtp(SSL *s, const char *profiles)
{
	return ssl_ctx_make_profiles(profiles, &s->internal->srtp_profiles);
}


STACK_OF(SRTP_PROTECTION_PROFILE) *
SSL_get_srtp_profiles(SSL *s)
{
	if (s != NULL) {
		if (s->internal->srtp_profiles != NULL) {
			return s->internal->srtp_profiles;
		} else if ((s->ctx != NULL) &&
		    (s->ctx->internal->srtp_profiles != NULL)) {
			return s->ctx->internal->srtp_profiles;
		}
	}

	return NULL;
}

SRTP_PROTECTION_PROFILE *
SSL_get_selected_srtp_profile(SSL *s)
{
	return s->internal->srtp_profile;
}

#endif


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: d1_srtp.c,v 1.22 2017/08/27 02:58:04 doug Exp $ */
2			/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3			* All rights reserved.
4			*
5			* This package is an SSL implementation written
6			* by Eric Young (eay@cryptsoft.com).
7			* The implementation was written so as to conform with Netscapes SSL.
8			*
9			* This library is free for commercial and non-commercial use as long as
10			* the following conditions are aheared to. The following conditions
11			* apply to all code found in this distribution, be it the RC4, RSA,
12			* lhash, DES, etc., code; not just the SSL code. The SSL documentation
13			* included with this distribution is covered by the same copyright terms
14			* except that the holder is Tim Hudson (tjh@cryptsoft.com).
15			*
16			* Copyright remains Eric Young's, and as such any Copyright notices in
17			* the code are not to be removed.
18			* If this package is used in a product, Eric Young should be given attribution
19			* as the author of the parts of the library used.
20			* This can be in the form of a textual message at program startup or
21			* in documentation (online or textual) provided with the package.
22			*
23			* Redistribution and use in source and binary forms, with or without
24			* modification, are permitted provided that the following conditions
25			* are met:
26			* 1. Redistributions of source code must retain the copyright
27			* notice, this list of conditions and the following disclaimer.
28			* 2. Redistributions in binary form must reproduce the above copyright
29			* notice, this list of conditions and the following disclaimer in the
30			* documentation and/or other materials provided with the distribution.
31			* 3. All advertising materials mentioning features or use of this software
32			* must display the following acknowledgement:
33			* "This product includes cryptographic software written by
34			* Eric Young (eay@cryptsoft.com)"
35			* The word 'cryptographic' can be left out if the rouines from the library
36			* being used are not cryptographic related :-).
37			* 4. If you include any Windows specific code (or a derivative thereof) from
38			* the apps directory (application code) you must include an acknowledgement:
39			* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40			*
41			* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51			* SUCH DAMAGE.
52			*
53			* The licence and distribution terms for any publically available version or
54			* derivative of this code cannot be changed. i.e. this code cannot simply be
55			* copied and put under another distribution licence
56			* [including the GNU Public Licence.]
57			*/
58			/* ====================================================================
59			* Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60			*
61			* Redistribution and use in source and binary forms, with or without
62			* modification, are permitted provided that the following conditions
63			* are met:
64			*
65			* 1. Redistributions of source code must retain the above copyright
66			* notice, this list of conditions and the following disclaimer.
67			*
68			* 2. Redistributions in binary form must reproduce the above copyright
69			* notice, this list of conditions and the following disclaimer in
70			* the documentation and/or other materials provided with the
71			* distribution.
72			*
73			* 3. All advertising materials mentioning features or use of this
74			* software must display the following acknowledgment:
75			* "This product includes software developed by the OpenSSL Project
76			* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77			*
78			* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79			* endorse or promote products derived from this software without
80			* prior written permission. For written permission, please contact
81			* openssl-core@openssl.org.
82			*
83			* 5. Products derived from this software may not be called "OpenSSL"
84			* nor may "OpenSSL" appear in their names without prior written
85			* permission of the OpenSSL Project.
86			*
87			* 6. Redistributions of any form whatsoever must retain the following
88			* acknowledgment:
89			* "This product includes software developed by the OpenSSL Project
90			* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91			*
92			* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93			* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99			* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101			* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103			* OF THE POSSIBILITY OF SUCH DAMAGE.
104			* ====================================================================
105			*
106			* This product includes cryptographic software written by Eric Young
107			* (eay@cryptsoft.com). This product includes software written by Tim
108			* Hudson (tjh@cryptsoft.com).
109			*
110			*/
111			/*
112			* DTLS code by Eric Rescorla <ekr@rtfm.com>
113			*
114			* Copyright (C) 2006, Network Resonance, Inc.
115			* Copyright (C) 2011, RTFM, Inc.
116			*/
117
118			#include <stdio.h>
119
120			#include <openssl/objects.h>
121
122			#include "ssl_locl.h"
123
124			#ifndef OPENSSL_NO_SRTP
125
126			#include "bytestring.h"
127			#include "srtp.h"
128
129			static SRTP_PROTECTION_PROFILE srtp_known_profiles[] = {
130			{
131			"SRTP_AES128_CM_SHA1_80",
132			SRTP_AES128_CM_SHA1_80,
133			},
134			{
135			"SRTP_AES128_CM_SHA1_32",
136			SRTP_AES128_CM_SHA1_32,
137			},
138			{0}
139			};
140
141			int
142			srtp_find_profile_by_name(char profile_name, SRTP_PROTECTION_PROFILE *pptr,
143			unsigned len)
144			{
145			SRTP_PROTECTION_PROFILE *p;
146
147			p = srtp_known_profiles;
148	✓✗	88	while (p->name) {
149	✓✗✓✓	64	if ((len == strlen(p->name)) &&
150		32	!strncmp(p->name, profile_name, len)) {
151		24	*pptr = p;
152		24	return 0;
153			}
154
155		8	p++;
156			}
157
158			return 1;
159		24	}
160
161			int
162			srtp_find_profile_by_num(unsigned profile_num, SRTP_PROTECTION_PROFILE **pptr)
163			{
164			SRTP_PROTECTION_PROFILE *p;
165
166			p = srtp_known_profiles;
167	✓✓	148	while (p->name) {
168	✓✓	48	if (p->id == profile_num) {
169		16	*pptr = p;
170		16	return 0;
171			}
172		32	p++;
173			}
174
175		12	return 1;
176		28	}
177
178			static int
179			ssl_ctx_make_profiles(const char *profiles_string,
180			STACK_OF(SRTP_PROTECTION_PROFILE) **out)
181			{
182			STACK_OF(SRTP_PROTECTION_PROFILE) *profiles;
183
184			char *col;
185			char ptr = (char )profiles_string;
186
187		24	SRTP_PROTECTION_PROFILE *p;
188
189	✗✓	12	if (!(profiles = sk_SRTP_PROTECTION_PROFILE_new_null())) {
190			SSLerrorx(SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES);
191			return 1;
192			}
193
194			do {
195		20	col = strchr(ptr, ':');
196
197	✓✗	20	if (!srtp_find_profile_by_name(ptr, &p,
198	✓✓	60	col ? col - ptr : (int)strlen(ptr))) {
199		20	sk_SRTP_PROTECTION_PROFILE_push(profiles, p);
200			} else {
201			SSLerrorx(SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE);
202			sk_SRTP_PROTECTION_PROFILE_free(profiles);
203			return 1;
204			}
205
206	✓✓	20	if (col)
207		8	ptr = col + 1;
208	✓✓	20	} while (col);
209
210		12	*out = profiles;
211
212		12	return 0;
213		12	}
214
215			int
216			SSL_CTX_set_tlsext_use_srtp(SSL_CTX ctx, const char profiles)
217			{
218			return ssl_ctx_make_profiles(profiles, &ctx->internal->srtp_profiles);
219			}
220
221			int
222			SSL_set_tlsext_use_srtp(SSL s, const char profiles)
223			{
224		24	return ssl_ctx_make_profiles(profiles, &s->internal->srtp_profiles);
225			}
226
227
228			STACK_OF(SRTP_PROTECTION_PROFILE) *
229			SSL_get_srtp_profiles(SSL *s)
230			{
231	✓✗	192	if (s != NULL) {
232	✓✓	96	if (s->internal->srtp_profiles != NULL) {
233		40	return s->internal->srtp_profiles;
234	✓✗✗✓	112	} else if ((s->ctx != NULL) &&
235		56	(s->ctx->internal->srtp_profiles != NULL)) {
236			return s->ctx->internal->srtp_profiles;
237			}
238			}
239
240		56	return NULL;
241		96	}
242
243			SRTP_PROTECTION_PROFILE *
244			SSL_get_selected_srtp_profile(SSL *s)
245			{
246		216	return s->internal->srtp_profile;
247			}
248
249			#endif