Delete bundled copy of OpenSSL and replace with README.

openssl/ssl/d1_srtp.c

Index: openssl/ssl/d1_srtp.c
diff --git a/openssl/ssl/d1_srtp.c b/openssl/ssl/d1_srtp.c
deleted file mode 100644
index ab9c41922c46ad07c68b878d25158e806d9d3f74..0000000000000000000000000000000000000000
--- a/openssl/ssl/d1_srtp.c
+++ /dev/null
@@ -1,494 +0,0 @@
-/* ssl/t1_lib.c */
-/* 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 "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,
-    },
-#if 0
-    {
-    "SRTP_NULL_SHA1_80",
-    SRTP_NULL_SHA1_80,
-    },
-    {
-    "SRTP_NULL_SHA1_32",
-    SRTP_NULL_SHA1_32,
-    },
-#endif
-    {0}
-    };
-
-static int 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;
-	}
-
-static int 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()))
-		{
-		SSLerr(SSL_F_SSL_CTX_MAKE_PROFILES, SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES);
-		return 1;
-		}
-    
-	do
-		{
-		col=strchr(ptr,':');
-
-		if(!find_profile_by_name(ptr,&p,
-					 col ? col-ptr : (int)strlen(ptr)))
-			{
-			sk_SRTP_PROTECTION_PROFILE_push(profiles,p);
-			}
-		else
-			{
-			SSLerr(SSL_F_SSL_CTX_MAKE_PROFILES,SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE);
-			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->srtp_profiles);
-	}
-
-int SSL_set_tlsext_use_srtp(SSL *s,const char *profiles)
-	{
-	return ssl_ctx_make_profiles(profiles,&s->srtp_profiles);
-	}
-
-
-STACK_OF(SRTP_PROTECTION_PROFILE) *SSL_get_srtp_profiles(SSL *s)
-	{
-	if(s != NULL)
-		{
-		if(s->srtp_profiles != NULL)
-			{
-			return s->srtp_profiles;
-			}
-		else if((s->ctx != NULL) &&
-			(s->ctx->srtp_profiles != NULL))
-			{
-			return s->ctx->srtp_profiles;
-			}
-		}
-
-	return NULL;
-	}
-
-SRTP_PROTECTION_PROFILE *SSL_get_selected_srtp_profile(SSL *s)
-	{
-	return s->srtp_profile;
-	}
-
-/* Note: this function returns 0 length if there are no 
-   profiles specified */
-int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen)
-	{
-	int ct=0;
-	int i;
-	STACK_OF(SRTP_PROTECTION_PROFILE) *clnt=0;
-	SRTP_PROTECTION_PROFILE *prof;
-    
-	clnt=SSL_get_srtp_profiles(s);    
-	ct=sk_SRTP_PROTECTION_PROFILE_num(clnt); /* -1 if clnt == 0 */
-
-	if(p)
-		{
-		if(ct==0)
-			{
-			SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_USE_SRTP_EXT,SSL_R_EMPTY_SRTP_PROTECTION_PROFILE_LIST);
-			return 1;
-			}
-
-		if((2 + ct*2 + 1) > maxlen)
-			{
-			SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_USE_SRTP_EXT,SSL_R_SRTP_PROTECTION_PROFILE_LIST_TOO_LONG);
-			return 1;
-			}
-
-                /* Add the length */
-                s2n(ct * 2, p);
-		for(i=0;i<ct;i++)
-			{
-			prof=sk_SRTP_PROTECTION_PROFILE_value(clnt,i);
-			s2n(prof->id,p);
-			}
-
-                /* Add an empty use_mki value */
-                *p++ = 0;
-		}
-
-	*len=2 + ct*2 + 1;
-    
-	return 0;
-	}
-
-
-int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al)
-	{
-	SRTP_PROTECTION_PROFILE *cprof,*sprof;
-	STACK_OF(SRTP_PROTECTION_PROFILE) *clnt=0,*srvr;
-        int ct;
-        int mki_len;
-	int i,j;
-	int id;
-	int ret;
-
-         /* Length value + the MKI length */
-        if(len < 3)
-		{            
-		SSLerr(SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT,SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
-		*al=SSL_AD_DECODE_ERROR;
-		return 1;
-                }
-
-        /* Pull off the length of the cipher suite list */
-        n2s(d, ct);
-        len -= 2;
-        
-        /* Check that it is even */
-	if(ct%2)
-		{
-		SSLerr(SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT,SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
-		*al=SSL_AD_DECODE_ERROR;
-		return 1;
-		}
-        
-        /* Check that lengths are consistent */
-	if(len < (ct + 1)) 
-		{
-		SSLerr(SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT,SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
-		*al=SSL_AD_DECODE_ERROR;
-		return 1;
-		}
-
-        
-	clnt=sk_SRTP_PROTECTION_PROFILE_new_null();
-
-	while(ct)
-		{
-		n2s(d,id);
-		ct-=2;
-                len-=2;
-
-		if(!find_profile_by_num(id,&cprof))
-			{
-			sk_SRTP_PROTECTION_PROFILE_push(clnt,cprof);
-			}
-		else
-			{
-			; /* Ignore */
-			}
-		}
-
-        /* Now extract the MKI value as a sanity check, but discard it for now */
-        mki_len = *d;
-        d++; len--;
-
-        if (mki_len != len)
-		{
-		SSLerr(SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT,SSL_R_BAD_SRTP_MKI_VALUE);
-		*al=SSL_AD_DECODE_ERROR;
-		return 1;
-		}
-
-	srvr=SSL_get_srtp_profiles(s);
-
-	/* Pick our most preferred profile. If no profiles have been
-	 configured then the outer loop doesn't run 
-	 (sk_SRTP_PROTECTION_PROFILE_num() = -1)
-	 and so we just return without doing anything */
-	for(i=0;i<sk_SRTP_PROTECTION_PROFILE_num(srvr);i++)
-		{
-		sprof=sk_SRTP_PROTECTION_PROFILE_value(srvr,i);
-
-		for(j=0;j<sk_SRTP_PROTECTION_PROFILE_num(clnt);j++)
-			{
-			cprof=sk_SRTP_PROTECTION_PROFILE_value(clnt,j);
-            
-			if(cprof->id==sprof->id)
-				{
-				s->srtp_profile=sprof;
-				*al=0;
-				ret=0;
-				goto done;
-				}
-			}
-		}
-
-	ret=0;
-    
-done:
-	if(clnt) sk_SRTP_PROTECTION_PROFILE_free(clnt);
-
-	return ret;
-	}
-
-int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen)
-	{
-	if(p)
-		{
-		if(maxlen < 5)
-			{
-			SSLerr(SSL_F_SSL_ADD_SERVERHELLO_USE_SRTP_EXT,SSL_R_SRTP_PROTECTION_PROFILE_LIST_TOO_LONG);
-			return 1;
-			}
-
-		if(s->srtp_profile==0)
-			{
-			SSLerr(SSL_F_SSL_ADD_SERVERHELLO_USE_SRTP_EXT,SSL_R_USE_SRTP_NOT_NEGOTIATED);
-			return 1;
-			}
-                s2n(2, p);
-		s2n(s->srtp_profile->id,p);
-                *p++ = 0;
-		}
-	*len=5;
-    
-	return 0;
-	}
-    
-
-int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al)
-	{
-	unsigned id;
-	int i;
-        int ct;
-
-	STACK_OF(SRTP_PROTECTION_PROFILE) *clnt;
-	SRTP_PROTECTION_PROFILE *prof;
-
-	if(len!=5)
-		{
-		SSLerr(SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT,SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
-		*al=SSL_AD_DECODE_ERROR;
-		return 1;
-		}
-
-        n2s(d, ct);
-	if(ct!=2)
-		{
-		SSLerr(SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT,SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
-		*al=SSL_AD_DECODE_ERROR;
-		return 1;
-		}
-
-	n2s(d,id);
-        if (*d)  /* Must be no MKI, since we never offer one */
-		{
-		SSLerr(SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT,SSL_R_BAD_SRTP_MKI_VALUE);
-		*al=SSL_AD_ILLEGAL_PARAMETER;
-		return 1;
-		}
-
-	clnt=SSL_get_srtp_profiles(s);
-
-	/* Throw an error if the server gave us an unsolicited extension */
-	if (clnt == NULL)
-		{
-		SSLerr(SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT,SSL_R_NO_SRTP_PROFILES);
-		*al=SSL_AD_DECODE_ERROR;
-		return 1;
-		}
-    
-	/* Check to see if the server gave us something we support
-	   (and presumably offered)
-	*/
-	for(i=0;i<sk_SRTP_PROTECTION_PROFILE_num(clnt);i++)
-		{
-		prof=sk_SRTP_PROTECTION_PROFILE_value(clnt,i);
-	    
-		if(prof->id == id)
-			{
-			s->srtp_profile=prof;
-			*al=0;
-			return 0;
-			}
-		}
-
-	SSLerr(SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT,SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
-	*al=SSL_AD_DECODE_ERROR;
-	return 1;
-	}
-
-
-#endif