add sofia-sip 1.12.4 (plus some patches through 12/21/2006) to in tree libs

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3774 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/sofia-sip/libsofia-sip-ua/features/features.c

@@ -0,0 +1,138 @@
+/*
+ * This file is part of the Sofia-SIP package
+ *
+ * Copyright (C) 2005 Nokia Corporation.
+ *
+ * Contact: Pekka Pessi <pekka.pessi@nokia.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+/**@CFILE features.c
+ * Provide features available through the sofia-sip library.
+ *
+ * @author Pekka Pessi <Pekka.Pessi@nokia.com>
+ *
+ * @date Created: Mon Oct 24 14:51:32 2005 ppessi
+ */
+
+#include "config.h"
+
+#include <stddef.h>
+
+#include <sofia-sip/su_configure.h>
+#include <tport_tls.h>
+#include "sofia-sip/sofia_features.h"
+
+/** The name and version of software package providing Sofia-SIP-UA library.
+ * @showinitializer
+ */
+char const * const sofia_sip_name_version = SOFIA_SIP_NAME_VERSION;
+
+/** The name and version of software package providing S/MIME functionality, 
+ *  NULL if none.
+ */
+char const * sofia_sip_has_smime;
+
+
+/** The name and version of software package providing TLS functionality, 
+ *  NULL if none. 
+ * 
+ * TLS over TCP is used as transport for SIP messages when using SIPS
+ * scheme. Using TLS over TCP with SIP is described in @RFC3261.
+ */
+#if HAVE_OPENSSL
+char const * sofia_sip_has_tls = tls_version;
+#else
+char const * sofia_sip_has_tls;
+#endif
+
+/** The name and version of software package providing DTLS functionality, 
+ *  NULL if none. 
+ *
+ * DTLS or TLS over datagram transport (UDP) can be used as transport for
+ * SIP messages.
+ */
+char const * sofia_sip_has_dtls;
+
+/** The name and version of software package providing TLS over SCTP functionality, 
+ *  NULL if none. 
+ *
+ * TLS over SCTP can be used as transport for SIP messages.
+ */
+char const * sofia_sip_has_tls_sctp;
+
+#if HAVE_SOFIA_SIGCOMP
+#include <sigcomp.h>
+#endif
+
+/** The name and version of software package providing SigComp functionality, 
+ *  NULL if none. 
+ *
+ * SigComp can be used to compress SIP messages.
+ */
+#if HAVE_SOFIA_SIGCOMP
+char const * sofia_sip_has_sigcomp = sigcomp_package_version;
+#else
+char const * sofia_sip_has_sigcomp;
+#endif
+
+/** The name and version of software package providing STUN functionality, 
+ *  NULL if none. 
+ *
+ * STUN is a protocol used to traverse NATs with UDP.
+ */
+#if HAVE_SOFIA_STUN
+extern char const stun_version[];
+char const * sofia_sip_has_stun = stun_version;
+#else
+char const * sofia_sip_has_stun;
+#endif
+
+/** The name and version of software package providing TURN functionality, 
+ *  NULL if none. 
+ *
+ * TURN is a protocol used to traverse NATs or firewalls with TCP or UDP.
+ */
+char const * sofia_sip_has_turn;
+
+/** The name and version of software package providing UPnP functionality, 
+ *  NULL if none. 
+ *
+ * UPnP (Universal Plug and Play) can be used to traverse NATs or firewalls.
+ */
+char const * sofia_sip_has_upnp;
+
+/** The name and version of software package providing SCTP functionality, 
+ *  NULL if none.
+ *
+ * SCTP can be used as transport for SIP messages. The software providing it
+ * can be, for example, LKSCTP (Linux kernel SCTP) for Linux.
+ */
+char const * sofia_sip_has_sctp;
+/* We don't have viable SCTP transport interface */
+
+/** The name and version of software package providing IPv6 functionality, 
+ *  NULL if none.
+ *
+ * IPv6 can be used to send SIP messages.
+ */
+#if SU_HAVE_IN6
+char const * sofia_sip_has_ipv6 = "IPv6";
+#else
+char const * sofia_sip_has_ipv6;
+#endif