Enable SCTP in libjingle.

third_party/usrsctp/localchanges.patch

+diff -NcrB usrsctplib/netinet/sctp_auth.h overrides/usrsctplib/netinet/sctp_auth.h
+*** usrsctplib/netinet/sctp_auth.h      2013-06-10 17:41:59.323347517 -0700
+--- overrides/usrsctplib/netinet/sctp_auth.h    2013-06-10 17:44:55.584797436 -0700
+***************
+*** 38,43 ****
+--- 38,44 ----
+  #ifndef _NETINET_SCTP_AUTH_H_
+  #define _NETINET_SCTP_AUTH_H_
+  
++ #include <netinet/sctp_sha1.h>
+  
+  /* digest lengths */
+  #define SCTP_AUTH_DIGEST_LEN_SHA1     20
+diff -NcrB usrsctplib/netinet/sctp_nss_sha1.c overrides/usrsctplib/netinet/sctp_nss_sha1.c
+*** usrsctplib/netinet/sctp_nss_sha1.c  1969-12-31 16:00:00.000000000 -0800
+--- overrides/usrsctplib/netinet/sctp_nss_sha1.c        2013-06-10 17:41:29.603102743 -0700
+***************
+*** 0 ****
+--- 1,61 ----
++ /*-
++  * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
++  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
++  * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
++  *
++  * Redistribution and use in source and binary forms, with or without
++  * modification, are permitted provided that the following conditions are met:
++  *
++  * a) Redistributions of source code must retain the above copyright notice,
++  *   this list of conditions and the following disclaimer.
++  *
++  * b) 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.
++  *
++  * c) Neither the name of Cisco Systems, Inc. nor the names of its
++  *    contributors may be used to endorse or promote products derived
++  *    from this software without specific prior written permission.
++  *
++  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
++  * "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 COPYRIGHT OWNER 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.
++  */
++ 
++ #ifdef __FreeBSD__
++ #include <sys/cdefs.h>
++ __FBSDID("$FreeBSD$");
++ #endif
++ 
++ #ifdef SCTP_USE_NSS_SHA1
++ #include <netinet/sctp_nss_sha1.h>
++ 
++ void
++ SCTP_NSS_SHA1_Init(struct sha1_context *ctx)
++ {
++       ctx->pk11_ctx = PK11_CreateDigestContext(SEC_OID_SHA1);
++       PK11_DigestBegin(ctx->pk11_ctx);
++ }
++ 
++ void
++ SCTP_NSS_SHA1_Update(struct sha1_context *ctx, const unsigned char *ptr, int siz)
++ {
++       PK11_DigestOp(ctx->pk11_ctx, ptr, siz);
++ }
++ 
++ void
++ SCTP_NSS_SHA1_Final(unsigned char *digest, struct sha1_context *ctx)
++ {
++       unsigned int output_len = 0;
++       PK11_DigestFinal(ctx->pk11_ctx, digest, &output_len, sizeof(digest));
++       PK11_DestroyContext(ctx->pk11_ctx, PR_TRUE);
++ }
++ #endif
+diff -NcrB usrsctplib/netinet/sctp_nss_sha1.h overrides/usrsctplib/netinet/sctp_nss_sha1.h
+*** usrsctplib/netinet/sctp_nss_sha1.h  1969-12-31 16:00:00.000000000 -0800
+--- overrides/usrsctplib/netinet/sctp_nss_sha1.h        2013-06-10 17:41:29.603102743 -0700
+***************
+*** 0 ****
+--- 1,64 ----
++ /*-
++  * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
++  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
++  * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
++  *
++  * Redistribution and use in source and binary forms, with or without
++  * modification, are permitted provided that the following conditions are met:
++  *
++  * a) Redistributions of source code must retain the above copyright notice,
++  *   this list of conditions and the following disclaimer.
++  *
++  * b) 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.
++  *
++  * c) Neither the name of Cisco Systems, Inc. nor the names of its
++  *    contributors may be used to endorse or promote products derived
++  *    from this software without specific prior written permission.
++  *
++  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
++  * "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 COPYRIGHT OWNER 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.
++  */
++ 
++ #ifdef __FreeBSD__
++ #include <sys/cdefs.h>
++ __FBSDID("$FreeBSD$");
++ #endif
++ 
++ #ifndef __SCTP_NSS_SHA1_h__
++ #define __SCTP_NSS_SHA1_h__
++ 
++ #ifdef __Userspace_os_Darwin
++ #define __APPLE__
++ #endif
++ 
++ #include <sys/types.h>
++ #include <pk11pub.h>
++ 
++ #ifdef __Userspace_os_Darwin
++ #undef __APPLE__
++ #endif
++ 
++ struct sha1_context {
++       struct PK11Context *pk11_ctx;
++ };   // Opaque structure.
++ 
++ typedef struct sha1_context SHA1_CTX;
++ 
++ #if defined(_KERNEL) || defined(__Userspace__)
++ #define SHA1_Init SCTP_NSS_SHA1_Init
++ #define SHA1_Update SCTP_NSS_SHA1_Update
++ #define SHA1_Final SCTP_NSS_SHA1_Final
++ 
++ #endif                                /* _KERNEL */
++ #endif
+diff -NcrB usrsctplib/netinet/sctp_openssl_sha1.h overrides/usrsctplib/netinet/sctp_openssl_sha1.h
+*** usrsctplib/netinet/sctp_openssl_sha1.h      1969-12-31 16:00:00.000000000 -0800
+--- overrides/usrsctplib/netinet/sctp_openssl_sha1.h    2013-06-10 17:41:29.603102743 -0700
+***************
+*** 0 ****
+--- 1,48 ----
++ /*-
++  * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
++  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
++  * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
++  *
++  * Redistribution and use in source and binary forms, with or without
++  * modification, are permitted provided that the following conditions are met:
++  *
++  * a) Redistributions of source code must retain the above copyright notice,
++  *   this list of conditions and the following disclaimer.
++  *
++  * b) 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.
++  *
++  * c) Neither the name of Cisco Systems, Inc. nor the names of its
++  *    contributors may be used to endorse or promote products derived
++  *    from this software without specific prior written permission.
++  *
++  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
++  * "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 COPYRIGHT OWNER 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.
++  */
++ 
++ #ifdef __FreeBSD__
++ #include <sys/cdefs.h>
++ __FBSDID("$FreeBSD$");
++ #endif
++ 
++ #ifndef __SCTP_OPENSSL_SHA1_h__
++ #define __SCTP_OPENSSL_SHA1_h__
++ 
++ #include <openssl/md5.h>
++ #include <openssl/sha.h>
++ /* libssl-dev calls this SHA_CTX, but it's refered to as SHA1_CTX within the
++  *  SCTP stack code so here we typedef (or macro?) to equate the two.
++  */
++ typedef SHA_CTX SHA1_CTX;
++ 
++ #endif
+diff -NcrB usrsctplib/netinet/sctp_os.h overrides/usrsctplib/netinet/sctp_os.h
+*** usrsctplib/netinet/sctp_os.h        2013-06-10 17:42:10.643440747 -0700
+--- overrides/usrsctplib/netinet/sctp_os.h      2013-06-10 17:41:29.603102743 -0700
+***************
+*** 73,79 ****
+  #endif
+  
+  #if defined(__APPLE__)
+! #include <netinet/sctp_os_macosx.h>
+  #endif
+  
+  #if defined(__Panda__)
+--- 73,80 ----
+  #endif
+  
+  #if defined(__APPLE__)
+! #undef __APPLE__
+! // #include <netinet/sctp_os_macosx.h>
+  #endif
+  
+  #if defined(__Panda__)
+diff -NcrB usrsctplib/netinet/sctp_os_userspace.h overrides/usrsctplib/netinet/sctp_os_userspace.h
+*** usrsctplib/netinet/sctp_os_userspace.h      2013-06-10 17:42:23.763548800 -0700
+--- overrides/usrsctplib/netinet/sctp_os_userspace.h    2013-06-10 17:41:29.603102743 -0700
+***************
+*** 992,1000 ****
+  #define SCTP_READ_RANDOM(buf, len)    read_random(buf, len)
+  
+  
+- #ifdef USE_SCTP_SHA1
+  #include <netinet/sctp_sha1.h>
+- #else
+  #if 0 /*this was old _KERNEL code... */
+  #include <crypto/sha1.h>
+  /* map standard crypto API names */
+--- 992,998 ----
+***************
+*** 1002,1008 ****
+  #define SHA1_Update   SHA1Update
+  #define SHA1_Final(x,y)       SHA1Final((caddr_t)x, y)
+  #endif
+- #endif
+  
+  #if defined(HAVE_SHA2)
+  #include <crypto/sha2/sha2.h>
+--- 1000,1005 ----
+diff -NcrB usrsctplib/netinet/sctp_sha1.h overrides/usrsctplib/netinet/sctp_sha1.h
+*** usrsctplib/netinet/sctp_sha1.h      2013-06-10 17:42:32.483620614 -0700
+--- overrides/usrsctplib/netinet/sctp_sha1.h    2013-06-10 17:41:29.603102743 -0700
+***************
+*** 36,46 ****
+  #endif
+  
+  
+! #ifndef __SCTP_SLA1_h__
+! #define __SCTP_SLA1_h__
+  
+  #include <sys/types.h>
+! 
+  struct sha1_context {
+        unsigned int A;
+        unsigned int B;
+--- 36,50 ----
+  #endif
+  
+  
+! #ifndef __SCTP_SHA1_h__
+! #define __SCTP_SHA1_h__
+  
+  #include <sys/types.h>
+! #ifdef SCTP_USE_NSS_SHA1
+! #include <netinet/sctp_nss_sha1.h>
+! #elif SCTP_USE_OPENSSL_SHA1
+! #include <netinet/sctp_openssl_sha1.h>
+! #else  // USE_SCTP_SHA1
+  struct sha1_context {
+        unsigned int A;
+        unsigned int B;
+***************
+*** 96,98 ****
+--- 100,103 ----
+  
+  #endif                                /* _KERNEL */
+  #endif
++ #endif