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1652 lines
48 KiB
1652 lines
48 KiB
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Matt O'Gorman <mogorman@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \author Matt O'Gorman <mogorman@digium.com>
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*
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* \brief Jingle Channel Driver
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*
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* \ingroup channel_drivers
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*/
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/*** MODULEINFO
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<depend>iksemel</depend>
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***/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <sys/signal.h>
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#include <iksemel.h>
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/lock.h"
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#include "asterisk/channel.h"
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#include "asterisk/config.h"
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#include "asterisk/logger.h"
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#include "asterisk/module.h"
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#include "asterisk/pbx.h"
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#include "asterisk/options.h"
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#include "asterisk/lock.h"
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#include "asterisk/sched.h"
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#include "asterisk/io.h"
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#include "asterisk/rtp.h"
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#include "asterisk/acl.h"
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#include "asterisk/callerid.h"
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#include "asterisk/file.h"
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#include "asterisk/cli.h"
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#include "asterisk/app.h"
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#include "asterisk/musiconhold.h"
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#include "asterisk/manager.h"
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#include "asterisk/stringfields.h"
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#include "asterisk/utils.h"
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#include "asterisk/causes.h"
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#include "asterisk/astobj.h"
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#include "asterisk/abstract_jb.h"
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#include "asterisk/jabber.h"
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#include "asterisk/jingle.h"
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#define JINGLE_CONFIG "jingle.conf"
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/*! Global jitterbuffer configuration - by default, jb is disabled */
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static struct ast_jb_conf default_jbconf =
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{
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.flags = 0,
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.max_size = -1,
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.resync_threshold = -1,
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.impl = ""
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};
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static struct ast_jb_conf global_jbconf;
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enum jingle_protocol {
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AJI_PROTOCOL_UDP = 1,
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AJI_PROTOCOL_SSLTCP = 2,
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};
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enum jingle_connect_type {
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AJI_CONNECT_STUN = 1,
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AJI_CONNECT_LOCAL = 2,
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AJI_CONNECT_RELAY = 3,
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};
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struct jingle_pvt {
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ast_mutex_t lock; /* Channel private lock */
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time_t laststun;
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struct jingle *parent; /* Parent client */
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char sid[100];
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char from[100];
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char ring[10]; /* Message ID of ring */
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iksrule *ringrule; /* Rule for matching RING request */
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int initiator; /* If we're the initiator */
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int alreadygone;
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int capability;
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struct ast_codec_pref prefs;
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struct jingle_candidate *theircandidates;
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struct jingle_candidate *ourcandidates;
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char cid_num[80]; /*!< Caller ID num */
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char cid_name[80]; /*!< Caller ID name */
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char exten[80]; /* Called extension */
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struct ast_channel *owner; /* Master Channel */
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struct ast_rtp *rtp; /*!< RTP Session */
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struct ast_rtp *vrtp;
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int jointcapability; /*!< Supported capability at both ends (codecs ) */
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int peercapability;
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struct jingle_pvt *next; /* Next entity */
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};
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struct jingle_candidate {
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char name[100];
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enum jingle_protocol protocol;
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double preference;
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char username[100];
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char password[100];
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enum jingle_connect_type type;
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char network[6];
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int generation;
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char ip[16];
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int port;
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int receipt;
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struct jingle_candidate *next;
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};
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struct jingle {
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ASTOBJ_COMPONENTS(struct jingle);
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struct aji_client *connection;
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struct aji_buddy *buddy;
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struct jingle_pvt *p;
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struct ast_codec_pref prefs;
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int amaflags; /*!< AMA Flags */
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char user[100];
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char context[100];
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char accountcode[AST_MAX_ACCOUNT_CODE]; /* Account code */
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int capability;
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ast_group_t callgroup; /*!< Call group */
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ast_group_t pickupgroup; /*!< Pickup group */
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int callingpres; /*!< Calling presentation */
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int allowguest;
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char language[MAX_LANGUAGE]; /*!< Default language for prompts */
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char musicclass[MAX_MUSICCLASS]; /*!< Music on Hold class */
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};
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struct jingle_container {
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ASTOBJ_CONTAINER_COMPONENTS(struct jingle);
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};
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static const char desc[] = "Jingle Channel";
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static const char type[] = "Jingle";
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static const char tdesc[] = "Jingle Channel Driver";
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static int usecnt = 0;
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AST_MUTEX_DEFINE_STATIC(usecnt_lock);
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static int global_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM | AST_FORMAT_H263;
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/* Protect the interface list (of sip_pvt's) */
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AST_MUTEX_DEFINE_STATIC(jinglelock);
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static struct ast_channel *jingle_request(const char *type, int format, void *data, int *cause);
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static int jingle_digit(struct ast_channel *ast, char digit);
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static int jingle_call(struct ast_channel *ast, char *dest, int timeout);
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static int jingle_hangup(struct ast_channel *ast);
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static int jingle_answer(struct ast_channel *ast);
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static int jingle_newcall(struct jingle *client, ikspak *pak);
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static struct ast_frame *jingle_read(struct ast_channel *ast);
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static int jingle_write(struct ast_channel *ast, struct ast_frame *f);
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static int jingle_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen);
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static int jingle_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
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static int jingle_sendhtml(struct ast_channel *ast, int subclass, const char *data, int datalen);
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static struct jingle_pvt *jingle_alloc(struct jingle *client, const char *from, const char *sid);
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/* PBX interface structure for channel registration */
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static const struct ast_channel_tech jingle_tech = {
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.type = type,
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.description = tdesc,
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.capabilities = ((AST_FORMAT_MAX_AUDIO << 1) - 1),
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.requester = jingle_request,
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.send_digit = jingle_digit,
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.bridge = ast_rtp_bridge,
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.call = jingle_call,
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.hangup = jingle_hangup,
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.answer = jingle_answer,
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.read = jingle_read,
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.write = jingle_write,
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.exception = jingle_read,
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.indicate = jingle_indicate,
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.fixup = jingle_fixup,
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.send_html = jingle_sendhtml,
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.properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER
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};
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static struct sockaddr_in bindaddr = { 0, }; /*!< The address we bind to */
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static struct sched_context *sched; /*!< The scheduling context */
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static struct io_context *io; /*!< The IO context */
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static struct in_addr __ourip;
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/*----- RTP interface functions */
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static int jingle_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp,
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struct ast_rtp *vrtp, int codecs, int nat_active);
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static struct ast_rtp *jingle_get_rtp_peer(struct ast_channel *chan);
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static int jingle_get_codec(struct ast_channel *chan);
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static struct ast_rtp_protocol jingle_rtp = {
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type: "jingle",
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get_rtp_info: jingle_get_rtp_peer,
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set_rtp_peer: jingle_set_rtp_peer,
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get_codec: jingle_get_codec,
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};
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static char externip[16];
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static struct jingle_container jingles;
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static void jingle_member_destroy(struct jingle *obj)
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{
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free(obj);
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}
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static struct jingle *find_jingle(char *name, char *connection)
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{
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struct jingle *jingle = NULL;
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jingle = ASTOBJ_CONTAINER_FIND(&jingles, name);
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if (!jingle && strchr(name, '@'))
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jingle = ASTOBJ_CONTAINER_FIND_FULL(&jingles, name, user,,, strcasecmp);
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if (!jingle) { /* guest call */
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ASTOBJ_CONTAINER_TRAVERSE(&jingles, 1, {
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ASTOBJ_WRLOCK(iterator);
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if (!strcasecmp(iterator->name, "guest")) {
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if (!strcasecmp(iterator->connection->jid->partial, connection)) {
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jingle = iterator;
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break;
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} else if (!strcasecmp(iterator->connection->name, connection)) {
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jingle = iterator;
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break;
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}
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}
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ASTOBJ_UNLOCK(iterator);
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});
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}
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return jingle;
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}
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static void add_codec_to_answer(const struct jingle_pvt *p, int codec, iks *dcodecs)
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{
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if (!strcasecmp("ulaw", ast_getformatname(codec))) {
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iks *payload_eg711u, *payload_pcmu;
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payload_pcmu = iks_new("payload-type");
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iks_insert_attrib(payload_pcmu, "id", "0");
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iks_insert_attrib(payload_pcmu, "name", "PCMU");
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iks_insert_attrib(payload_pcmu, "xmlns", "http://www.google.com/session/phone");
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payload_eg711u = iks_new("payload-type");
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iks_insert_attrib(payload_eg711u, "id", "100");
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iks_insert_attrib(payload_eg711u, "name", "EG711U");
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iks_insert_attrib(payload_eg711u, "xmlns", "http://www.google.com/session/phone");
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iks_insert_node(dcodecs, payload_pcmu);
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iks_insert_node(dcodecs, payload_eg711u);
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}
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if (!strcasecmp("alaw", ast_getformatname(codec))) {
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iks *payload_eg711a, *payload_pcma;
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payload_pcma = iks_new("payload-type");
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iks_insert_attrib(payload_pcma, "id", "8");
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iks_insert_attrib(payload_pcma, "name", "PCMA");
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iks_insert_attrib(payload_pcma, "xmlns", "http://www.google.com/session/phone");
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payload_eg711a = iks_new("payload-type");
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iks_insert_attrib(payload_eg711a, "id", "101");
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iks_insert_attrib(payload_eg711a, "name", "EG711A");
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iks_insert_attrib(payload_eg711a, "xmlns", "http://www.google.com/session/phone");
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iks_insert_node(dcodecs, payload_pcma);
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iks_insert_node(dcodecs, payload_eg711a);
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}
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if (!strcasecmp("ilbc", ast_getformatname(codec))) {
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iks *payload_ilbc;
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payload_ilbc = iks_new("payload-type");
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iks_insert_attrib(payload_ilbc, "id", "102");
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iks_insert_attrib(payload_ilbc, "name", "iLBC");
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iks_insert_attrib(payload_ilbc, "xmlns", "http://www.google.com/session/phone");
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iks_insert_node(dcodecs, payload_ilbc);
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}
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if (!strcasecmp("g723", ast_getformatname(codec))) {
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iks *payload_g723;
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payload_g723 = iks_new("payload-type");
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iks_insert_attrib(payload_g723, "id", "4");
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iks_insert_attrib(payload_g723, "name", "G723");
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iks_insert_attrib(payload_g723, "xmlns", "http://www.google.com/session/phone");
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iks_insert_node(dcodecs, payload_g723);
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}
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ast_rtp_lookup_code(p->rtp, 1, codec);
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}
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static int jingle_accept_call(struct jingle *client, struct jingle_pvt *p)
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{
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struct jingle_pvt *tmp = client->p;
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struct aji_client *c = client->connection;
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iks *iq, *jingle, *dcodecs, *payload_red, *payload_audio, *payload_cn;
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int x;
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int pref_codec = 0;
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int alreadysent = 0;
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if (p->initiator)
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return 1;
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iq = iks_new("iq");
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jingle = iks_new(GOOGLE_NODE);
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dcodecs = iks_new("description");
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if (iq && jingle && dcodecs) {
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iks_insert_attrib(dcodecs, "xmlns", "http://www.google.com/session/phone");
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for (x = 0; x < 32; x++) {
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if (!(pref_codec = ast_codec_pref_index(&client->prefs, x)))
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break;
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if (!(client->capability & pref_codec))
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continue;
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if (alreadysent & pref_codec)
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continue;
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if (pref_codec <= AST_FORMAT_MAX_AUDIO)
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add_codec_to_answer(p, pref_codec, dcodecs);
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else
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add_codec_to_answer(p, pref_codec, dcodecs);
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alreadysent |= pref_codec;
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}
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payload_red = iks_new("payload-type");
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iks_insert_attrib(payload_red, "id", "117");
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iks_insert_attrib(payload_red, "name", "red");
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iks_insert_attrib(payload_red, "xmlns", "http://www.google.com/session/phone");
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payload_audio = iks_new("payload-type");
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iks_insert_attrib(payload_audio, "id", "106");
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iks_insert_attrib(payload_audio, "name", "audio/telephone-event");
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iks_insert_attrib(payload_audio, "xmlns", "http://www.google.com/session/phone");
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payload_cn = iks_new("payload-type");
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iks_insert_attrib(payload_cn, "id", "13");
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iks_insert_attrib(payload_cn, "name", "CN");
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iks_insert_attrib(payload_cn, "xmlns", "http://www.google.com/session/phone");
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iks_insert_attrib(iq, "type", "set");
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iks_insert_attrib(iq, "to", (p->from) ? p->from : client->user);
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iks_insert_attrib(iq, "id", client->connection->mid);
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ast_aji_increment_mid(client->connection->mid);
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iks_insert_attrib(jingle, "xmlns", "http://www.google.com/session");
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iks_insert_attrib(jingle, "type", JINGLE_ACCEPT);
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iks_insert_attrib(jingle, "initiator",
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p->initiator ? client->connection->jid->full : p->from);
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iks_insert_attrib(jingle, GOOGLE_SID, tmp->sid);
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iks_insert_node(iq, jingle);
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iks_insert_node(jingle, dcodecs);
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iks_insert_node(dcodecs, payload_red);
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iks_insert_node(dcodecs, payload_audio);
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iks_insert_node(dcodecs, payload_cn);
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iks_send(c->p, iq);
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iks_delete(payload_red);
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iks_delete(payload_audio);
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iks_delete(payload_cn);
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iks_delete(dcodecs);
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iks_delete(jingle);
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iks_delete(iq);
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}
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return 1;
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}
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static int jingle_ringing_ack(void *data, ikspak *pak)
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{
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struct jingle_pvt *p = data;
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if (p->ringrule)
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iks_filter_remove_rule(p->parent->connection->f, p->ringrule);
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p->ringrule = NULL;
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if (p->owner)
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ast_queue_control(p->owner, AST_CONTROL_RINGING);
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return IKS_FILTER_EAT;
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}
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|
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static int jingle_answer(struct ast_channel *ast)
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{
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struct jingle_pvt *p = ast->tech_pvt;
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struct jingle *client = p->parent;
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int res = 0;
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ast_log(LOG_DEBUG, "Answer!\n");
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ast_mutex_lock(&p->lock);
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jingle_accept_call(client, p);
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ast_mutex_unlock(&p->lock);
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return res;
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}
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static struct ast_rtp *jingle_get_rtp_peer(struct ast_channel *chan)
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{
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struct jingle_pvt *p;
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struct ast_rtp *rtp = NULL;
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p = chan->tech_pvt;
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if (!p)
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return NULL;
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ast_mutex_lock(&p->lock);
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if (p->rtp)
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rtp = p->rtp;
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ast_mutex_unlock(&p->lock);
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return rtp;
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}
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|
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static int jingle_get_codec(struct ast_channel *chan)
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{
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struct jingle_pvt *p = chan->tech_pvt;
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return p->peercapability;
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}
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static int jingle_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp, struct ast_rtp *vrtp, int codecs, int nat_active)
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{
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struct jingle_pvt *p;
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p = chan->tech_pvt;
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if (!p)
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return -1;
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ast_mutex_lock(&p->lock);
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/* if (rtp)
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ast_rtp_get_peer(rtp, &p->redirip);
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else
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memset(&p->redirip, 0, sizeof(p->redirip));
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p->redircodecs = codecs; */
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|
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/* Reset lastrtprx timer */
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ast_mutex_unlock(&p->lock);
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return 0;
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}
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static int jingle_response(struct jingle *client, ikspak *pak, const char *reasonstr)
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{
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iks *response, *error = NULL, *reason = NULL;
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int res = -1;
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response = iks_new("iq");
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if (response) {
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iks_insert_attrib(response, "type", "result");
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iks_insert_attrib(response, "from", client->connection->jid->full);
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iks_insert_attrib(response, "to", iks_find_attrib(pak->x, "from"));
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iks_insert_attrib(response, "id", iks_find_attrib(pak->x, "id"));
|
|
if (reasonstr) {
|
|
error = iks_new("error");
|
|
if (error) {
|
|
iks_insert_attrib(error, "type", "cancel");
|
|
reason = iks_new(reasonstr);
|
|
if (reason)
|
|
iks_insert_node(error, reason);
|
|
iks_insert_node(response, error);
|
|
}
|
|
}
|
|
iks_send(client->connection->p, response);
|
|
if (reason)
|
|
iks_delete(reason);
|
|
if (error)
|
|
iks_delete(error);
|
|
iks_delete(response);
|
|
res = 0;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static int jingle_is_answered(struct jingle *client, ikspak *pak)
|
|
{
|
|
struct jingle_pvt *tmp;
|
|
|
|
ast_log(LOG_DEBUG, "The client is %s\n", client->name);
|
|
tmp = client->p;
|
|
/* Make sure our new call doesn't exist yet */
|
|
while (tmp) {
|
|
if (iks_find_with_attrib(pak->x, GOOGLE_NODE, GOOGLE_SID, tmp->sid)) {
|
|
break;
|
|
}
|
|
tmp = tmp->next;
|
|
}
|
|
|
|
if (tmp) {
|
|
if (tmp->owner)
|
|
ast_queue_control(tmp->owner, AST_CONTROL_ANSWER);
|
|
} else
|
|
ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
|
|
jingle_response(client, pak, NULL);
|
|
return 1;
|
|
}
|
|
|
|
static int jingle_hangup_farend(struct jingle *client, ikspak *pak)
|
|
{
|
|
struct jingle_pvt *tmp;
|
|
|
|
ast_log(LOG_DEBUG, "The client is %s\n", client->name);
|
|
tmp = client->p;
|
|
/* Make sure our new call doesn't exist yet */
|
|
while (tmp) {
|
|
if (iks_find_with_attrib(pak->x, GOOGLE_NODE, GOOGLE_SID, tmp->sid)) {
|
|
break;
|
|
}
|
|
tmp = tmp->next;
|
|
}
|
|
|
|
if (tmp) {
|
|
tmp->alreadygone = 1;
|
|
ast_queue_hangup(tmp->owner);
|
|
} else
|
|
ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
|
|
jingle_response(client, pak, NULL);
|
|
return 1;
|
|
}
|
|
|
|
static int jingle_create_candidates(struct jingle *client, struct jingle_pvt *p, char *sid, char *from)
|
|
{
|
|
struct jingle_candidate *tmp;
|
|
struct aji_client *c = client->connection;
|
|
struct jingle_candidate *ours1 = NULL, *ours2 = NULL;
|
|
struct sockaddr_in sin;
|
|
struct sockaddr_in dest;
|
|
struct in_addr us;
|
|
|
|
iks *iq, *jingle, *candidate;
|
|
char user[17], pass[17], preference[5], port[7];
|
|
|
|
|
|
iq = iks_new("iq");
|
|
jingle = iks_new(GOOGLE_NODE);
|
|
candidate = iks_new("candidate");
|
|
ours1 = (struct jingle_candidate *) ast_calloc(1, sizeof(struct jingle_candidate));
|
|
ours2 = (struct jingle_candidate *) ast_calloc(1, sizeof(struct jingle_candidate));
|
|
if (!iq || !jingle || !candidate || !ours1 || !ours2) {
|
|
ast_log(LOG_WARNING, "out of memory!\n");
|
|
goto safeout;
|
|
}
|
|
|
|
iks_insert_node(iq, jingle);
|
|
iks_insert_node(jingle, candidate);
|
|
|
|
while (p) {
|
|
if (!strcasecmp(p->sid, sid)) {
|
|
break;
|
|
}
|
|
p = p->next;
|
|
}
|
|
|
|
if (!p) {
|
|
ast_log(LOG_NOTICE, "No matching jingle session!\n");
|
|
goto safeout;
|
|
}
|
|
|
|
ast_rtp_get_us(p->rtp, &sin);
|
|
ast_find_ourip(&us, bindaddr);
|
|
|
|
/* Setup our jingle candidates */
|
|
ast_copy_string(ours1->name, "rtp", sizeof(ours1->name));
|
|
ours1->port = ntohs(sin.sin_port);
|
|
ours1->preference = 1;
|
|
snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random());
|
|
snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random());
|
|
ast_copy_string(ours1->username, user, sizeof(ours1->username));
|
|
ast_copy_string(ours1->password, pass, sizeof(ours1->password));
|
|
ast_inet_ntoa(ours1->ip, sizeof(ours1->ip), us);
|
|
ours1->protocol = AJI_PROTOCOL_UDP;
|
|
ours1->type = AJI_CONNECT_LOCAL;
|
|
ours1->generation = 0;
|
|
p->ourcandidates = ours1;
|
|
|
|
if (!ast_strlen_zero(externip)) {
|
|
/* XXX We should really stun for this one not just go with externip XXX */
|
|
snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random());
|
|
snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random());
|
|
ast_copy_string(ours2->username, user, sizeof(ours2->username));
|
|
ast_copy_string(ours2->password, pass, sizeof(ours2->password));
|
|
ast_copy_string(ours2->ip, externip, sizeof(ours2->ip));
|
|
ast_copy_string(ours2->name, "rtp", sizeof(ours1->name));
|
|
ours2->port = ntohs(sin.sin_port);
|
|
ours2->preference = 0.9;
|
|
ours2->protocol = AJI_PROTOCOL_UDP;
|
|
ours2->type = AJI_CONNECT_STUN;
|
|
ours2->generation = 0;
|
|
ours1->next = ours2;
|
|
ours2 = NULL;
|
|
}
|
|
ours1 = NULL;
|
|
dest.sin_addr = __ourip;
|
|
dest.sin_port = sin.sin_port;
|
|
|
|
|
|
tmp = p->ourcandidates;
|
|
while (tmp) { /*send standard candidates */
|
|
snprintf(port, sizeof(port), "%d", tmp->port);
|
|
snprintf(preference, sizeof(preference), "%.2f", tmp->preference);
|
|
iks_insert_attrib(iq, "from", c->jid->full);
|
|
iks_insert_attrib(iq, "to", from);
|
|
iks_insert_attrib(iq, "type", "set");
|
|
iks_insert_attrib(iq, "id", c->mid);
|
|
ast_aji_increment_mid(c->mid);
|
|
iks_insert_attrib(jingle, "type", "candidates");
|
|
iks_insert_attrib(jingle, "id", sid);
|
|
iks_insert_attrib(jingle, "initiator", (p->initiator) ? c->jid->full : from);
|
|
iks_insert_attrib(jingle, "xmlns", GOOGLE_NS);
|
|
iks_insert_attrib(candidate, "name", tmp->name);
|
|
iks_insert_attrib(candidate, "address", tmp->ip);
|
|
iks_insert_attrib(candidate, "port", port);
|
|
iks_insert_attrib(candidate, "username", tmp->username);
|
|
iks_insert_attrib(candidate, "password", tmp->password);
|
|
iks_insert_attrib(candidate, "preference", preference);
|
|
if (tmp->protocol == AJI_PROTOCOL_UDP)
|
|
iks_insert_attrib(candidate, "protocol", "udp");
|
|
if (tmp->protocol == AJI_PROTOCOL_SSLTCP)
|
|
iks_insert_attrib(candidate, "protocol", "ssltcp");
|
|
if (tmp->type == AJI_CONNECT_STUN)
|
|
iks_insert_attrib(candidate, "type", "stun");
|
|
if (tmp->type == AJI_CONNECT_LOCAL)
|
|
iks_insert_attrib(candidate, "type", "local");
|
|
if (tmp->type == AJI_CONNECT_RELAY)
|
|
iks_insert_attrib(candidate, "type", "relay");
|
|
iks_insert_attrib(candidate, "network", "0");
|
|
iks_insert_attrib(candidate, "generation", "0");
|
|
iks_send(c->p, iq);
|
|
tmp = tmp->next;
|
|
}
|
|
p->laststun = 0;
|
|
|
|
safeout:
|
|
if (ours1)
|
|
free(ours1);
|
|
if (ours2)
|
|
free(ours2);
|
|
if (iq)
|
|
iks_delete(iq);
|
|
if (jingle)
|
|
iks_delete(jingle);
|
|
if (candidate)
|
|
iks_delete(candidate);
|
|
return 1;
|
|
}
|
|
|
|
static struct jingle_pvt *jingle_alloc(struct jingle *client, const char *from, const char *sid)
|
|
{
|
|
struct jingle_pvt *tmp = NULL;
|
|
struct aji_resource *resources = NULL;
|
|
struct aji_buddy *buddy;
|
|
char idroster[200];
|
|
|
|
ast_log(LOG_DEBUG, "The client is %s for alloc\n", client->name);
|
|
if (!sid && !strchr(from, '/')) { /*I started call! */
|
|
if (!strcasecmp(client->name, "guest")) {
|
|
buddy = ASTOBJ_CONTAINER_FIND(&client->connection->buddies, from);
|
|
if (buddy)
|
|
resources = buddy->resources;
|
|
} else {
|
|
resources = client->buddy->resources;
|
|
}
|
|
while (resources) {
|
|
if (resources->cap->jingle) {
|
|
break;
|
|
}
|
|
resources = resources->next;
|
|
}
|
|
if (resources)
|
|
snprintf(idroster, sizeof(idroster), "%s/%s", from, resources->resource);
|
|
else {
|
|
ast_log(LOG_ERROR, "no jingle capable clients to talk to.\n");
|
|
return NULL;
|
|
}
|
|
}
|
|
if (!(tmp = ast_calloc(1, sizeof(*tmp)))) {
|
|
return NULL;
|
|
}
|
|
if (sid) {
|
|
ast_copy_string(tmp->sid, sid, sizeof(tmp->sid));
|
|
ast_copy_string(tmp->from, from, sizeof(tmp->from));
|
|
} else {
|
|
snprintf(tmp->sid, sizeof(tmp->sid), "%08lx%08lx", ast_random(), ast_random());
|
|
ast_copy_string(tmp->from, idroster, sizeof(tmp->from));
|
|
tmp->initiator = 1;
|
|
}
|
|
tmp->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
|
|
tmp->parent = client;
|
|
if (!tmp->rtp) {
|
|
ast_log(LOG_WARNING, "Out of RTP sessions?\n");
|
|
free(tmp);
|
|
return NULL;
|
|
}
|
|
ast_copy_string(tmp->exten, "s", sizeof(tmp->exten));
|
|
ast_mutex_init(&tmp->lock);
|
|
ast_mutex_lock(&jinglelock);
|
|
tmp->next = client->p;
|
|
client->p = tmp;
|
|
ast_mutex_unlock(&jinglelock);
|
|
return tmp;
|
|
}
|
|
|
|
/*! \brief Start new jingle channel */
|
|
static struct ast_channel *jingle_new(struct jingle *client, struct jingle_pvt *i, int state, const char *title)
|
|
{
|
|
struct ast_channel *tmp;
|
|
int fmt;
|
|
int what;
|
|
|
|
tmp = ast_channel_alloc(1);
|
|
if (!tmp) {
|
|
ast_log(LOG_WARNING, "Unable to allocate Jingle channel structure!\n");
|
|
return NULL;
|
|
}
|
|
tmp->tech = &jingle_tech;
|
|
|
|
/* Select our native format based on codec preference until we receive
|
|
something from another device to the contrary. */
|
|
if (i->jointcapability)
|
|
what = i->jointcapability;
|
|
else if (i->capability)
|
|
what = i->capability;
|
|
else
|
|
what = global_capability;
|
|
tmp->nativeformats =
|
|
ast_codec_choose(&i->prefs, what,
|
|
1) | (i->jointcapability & AST_FORMAT_VIDEO_MASK);
|
|
fmt = ast_best_codec(tmp->nativeformats);
|
|
|
|
if (title)
|
|
ast_string_field_build(tmp, name, "Jingle/%s-%04lx", title,
|
|
ast_random() & 0xffff);
|
|
else
|
|
ast_string_field_build(tmp, name, "Jingle/%s-%04lx", i->from,
|
|
ast_random() & 0xffff);
|
|
|
|
if (i->rtp) {
|
|
tmp->fds[0] = ast_rtp_fd(i->rtp);
|
|
tmp->fds[1] = ast_rtcp_fd(i->rtp);
|
|
}
|
|
if (i->vrtp) {
|
|
tmp->fds[2] = ast_rtp_fd(i->vrtp);
|
|
tmp->fds[3] = ast_rtcp_fd(i->vrtp);
|
|
}
|
|
if (state == AST_STATE_RING)
|
|
tmp->rings = 1;
|
|
tmp->adsicpe = AST_ADSI_UNAVAILABLE;
|
|
tmp->writeformat = fmt;
|
|
tmp->rawwriteformat = fmt;
|
|
tmp->readformat = fmt;
|
|
tmp->rawreadformat = fmt;
|
|
tmp->tech_pvt = i;
|
|
|
|
tmp->callgroup = client->callgroup;
|
|
tmp->pickupgroup = client->pickupgroup;
|
|
tmp->cid.cid_pres = client->callingpres;
|
|
if (!ast_strlen_zero(client->accountcode))
|
|
ast_string_field_set(tmp, accountcode, client->accountcode);
|
|
if (client->amaflags)
|
|
tmp->amaflags = client->amaflags;
|
|
if (!ast_strlen_zero(client->language))
|
|
ast_string_field_set(tmp, language, client->language);
|
|
if (!ast_strlen_zero(client->musicclass))
|
|
ast_string_field_set(tmp, musicclass, client->musicclass);
|
|
i->owner = tmp;
|
|
ast_mutex_lock(&usecnt_lock);
|
|
usecnt++;
|
|
ast_mutex_unlock(&usecnt_lock);
|
|
ast_copy_string(tmp->context, client->context, sizeof(tmp->context));
|
|
ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten));
|
|
if (!ast_strlen_zero(i->cid_num))
|
|
tmp->cid.cid_num = ast_strdup(i->cid_num);
|
|
if (!ast_strlen_zero(i->cid_name))
|
|
tmp->cid.cid_name = ast_strdup(i->cid_name);
|
|
if (!ast_strlen_zero(i->exten) && strcmp(i->exten, "s"))
|
|
tmp->cid.cid_dnid = ast_strdup(i->exten);
|
|
tmp->priority = 1;
|
|
ast_setstate(tmp, state);
|
|
if (state != AST_STATE_DOWN && ast_pbx_start(tmp)) {
|
|
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
|
|
tmp->hangupcause = AST_CAUSE_SWITCH_CONGESTION;
|
|
ast_hangup(tmp);
|
|
tmp = NULL;
|
|
}
|
|
|
|
/* Configure the new channel jb */
|
|
if (tmp && i && i->rtp)
|
|
ast_jb_configure(tmp, &global_jbconf);
|
|
|
|
return tmp;
|
|
}
|
|
|
|
static int jingle_action(struct jingle *client, struct jingle_pvt *p, const char *action)
|
|
{
|
|
iks *request, *session = NULL;
|
|
int res = -1;
|
|
|
|
request = iks_new("iq");
|
|
if (request) {
|
|
iks_insert_attrib(request, "type", "set");
|
|
iks_insert_attrib(request, "from", client->connection->jid->full);
|
|
iks_insert_attrib(request, "to", p->from);
|
|
iks_insert_attrib(request, "id", client->connection->mid);
|
|
ast_aji_increment_mid(client->connection->mid);
|
|
session = iks_new("session");
|
|
if (session) {
|
|
iks_insert_attrib(session, "type", action);
|
|
iks_insert_attrib(session, "id", p->sid);
|
|
iks_insert_attrib(session, "initiator",
|
|
p->initiator ? client->connection->jid->full : p->from);
|
|
iks_insert_attrib(session, "xmlns", "http://www.google.com/session");
|
|
iks_insert_node(request, session);
|
|
iks_send(client->connection->p, request);
|
|
iks_delete(session);
|
|
res = 0;
|
|
}
|
|
iks_delete(request);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static void jingle_free_candidates(struct jingle_candidate *candidate)
|
|
{
|
|
struct jingle_candidate *last;
|
|
while (candidate) {
|
|
last = candidate;
|
|
candidate = candidate->next;
|
|
free(last);
|
|
}
|
|
}
|
|
|
|
static void jingle_free_pvt(struct jingle *client, struct jingle_pvt *p)
|
|
{
|
|
struct jingle_pvt *cur, *prev = NULL;
|
|
cur = client->p;
|
|
while (cur) {
|
|
if (cur == p) {
|
|
if (prev)
|
|
prev->next = p->next;
|
|
else
|
|
client->p = p->next;
|
|
break;
|
|
}
|
|
prev = cur;
|
|
cur = cur->next;
|
|
}
|
|
if (p->ringrule)
|
|
iks_filter_remove_rule(p->parent->connection->f, p->ringrule);
|
|
if (p->owner)
|
|
ast_log(LOG_WARNING, "Uh oh, there's an owner, this is going to be messy.\n");
|
|
if (p->rtp)
|
|
ast_rtp_destroy(p->rtp);
|
|
if (p->vrtp)
|
|
ast_rtp_destroy(p->vrtp);
|
|
jingle_free_candidates(p->theircandidates);
|
|
free(p);
|
|
}
|
|
|
|
|
|
static int jingle_newcall(struct jingle *client, ikspak *pak)
|
|
{
|
|
struct jingle_pvt *p, *tmp = client->p;
|
|
struct ast_channel *chan;
|
|
int res;
|
|
iks *codec;
|
|
|
|
/* Make sure our new call doesn't exist yet */
|
|
while (tmp) {
|
|
if (iks_find_with_attrib(pak->x, GOOGLE_NODE, GOOGLE_SID, tmp->sid)) {
|
|
ast_log(LOG_NOTICE, "Ignoring duplicate call setup on SID %s\n", tmp->sid);
|
|
jingle_response(client, pak, "out-of-order");
|
|
return -1;
|
|
}
|
|
tmp = tmp->next;
|
|
}
|
|
|
|
p = jingle_alloc(client, pak->from->partial, iks_find_attrib(pak->query, GOOGLE_SID));
|
|
if (!p) {
|
|
ast_log(LOG_WARNING, "Unable to allocate jingle structure!\n");
|
|
return -1;
|
|
}
|
|
chan = jingle_new(client, p, AST_STATE_DOWN, pak->from->user);
|
|
if (chan) {
|
|
ast_mutex_lock(&p->lock);
|
|
ast_copy_string(p->from, pak->from->full, sizeof(p->from));
|
|
if (iks_find_attrib(pak->query, GOOGLE_SID)) {
|
|
ast_copy_string(p->sid, iks_find_attrib(pak->query, GOOGLE_SID),
|
|
sizeof(p->sid));
|
|
}
|
|
|
|
codec = iks_child(iks_child(iks_child(pak->x)));
|
|
while (codec) {
|
|
ast_rtp_set_m_type(p->rtp, atoi(iks_find_attrib(codec, "id")));
|
|
ast_rtp_set_rtpmap_type(p->rtp, atoi(iks_find_attrib(codec, "id")), "audio",
|
|
iks_find_attrib(codec, "name"));
|
|
codec = iks_next(codec);
|
|
}
|
|
|
|
ast_mutex_unlock(&p->lock);
|
|
ast_setstate(chan, AST_STATE_RING);
|
|
res = ast_pbx_start(chan);
|
|
|
|
switch (res) {
|
|
case AST_PBX_FAILED:
|
|
ast_log(LOG_WARNING, "Failed to start PBX :(\n");
|
|
jingle_response(client, pak, "service-unavailable");
|
|
break;
|
|
case AST_PBX_CALL_LIMIT:
|
|
ast_log(LOG_WARNING, "Failed to start PBX (call limit reached) \n");
|
|
jingle_response(client, pak, "service-unavailable");
|
|
break;
|
|
case AST_PBX_SUCCESS:
|
|
jingle_response(client, pak, NULL);
|
|
jingle_create_candidates(client, p,
|
|
iks_find_attrib(pak->query, GOOGLE_SID),
|
|
iks_find_attrib(pak->x, "from"));
|
|
/* nothing to do */
|
|
break;
|
|
}
|
|
} else {
|
|
jingle_free_pvt(client, p);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int jingle_update_stun(struct jingle *client, struct jingle_pvt *p)
|
|
{
|
|
struct jingle_candidate *tmp;
|
|
struct hostent *hp;
|
|
struct ast_hostent ahp;
|
|
struct sockaddr_in sin;
|
|
|
|
if (time(NULL) == p->laststun)
|
|
return 0;
|
|
|
|
tmp = p->theircandidates;
|
|
p->laststun = time(NULL);
|
|
while (tmp) {
|
|
char username[256];
|
|
hp = ast_gethostbyname(tmp->ip, &ahp);
|
|
sin.sin_family = AF_INET;
|
|
memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr));
|
|
sin.sin_port = htons(tmp->port);
|
|
snprintf(username, sizeof(username), "%s%s", tmp->username,
|
|
p->ourcandidates->username);
|
|
|
|
ast_rtp_stun_request(p->rtp, &sin, username);
|
|
tmp = tmp->next;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int jingle_add_candidate(struct jingle *client, ikspak *pak)
|
|
{
|
|
struct jingle_pvt *p = NULL, *tmp = NULL;
|
|
struct aji_client *c = client->connection;
|
|
struct jingle_candidate *newcandidate = NULL;
|
|
iks *traversenodes = NULL, *receipt = NULL;
|
|
newcandidate =
|
|
(struct jingle_candidate *) ast_calloc(1, sizeof(struct jingle_candidate));
|
|
if (!newcandidate)
|
|
return 0;
|
|
memset(newcandidate, 0, sizeof(struct jingle_candidate));
|
|
tmp = client->p;
|
|
while (tmp) {
|
|
if (iks_find_with_attrib(pak->x, GOOGLE_NODE, GOOGLE_SID, tmp->sid)) {
|
|
p = tmp;
|
|
break;
|
|
}
|
|
tmp = tmp->next;
|
|
}
|
|
|
|
if (!p) {
|
|
return -1;
|
|
}
|
|
|
|
traversenodes = pak->query;
|
|
while(traversenodes) {
|
|
if(!strcasecmp(iks_name(traversenodes), "session")) {
|
|
traversenodes = iks_child(traversenodes);
|
|
continue;
|
|
}
|
|
if(!strcasecmp(iks_name(traversenodes), "candidate")) {
|
|
newcandidate =
|
|
(struct jingle_candidate *) ast_calloc(1, sizeof(struct jingle_candidate));
|
|
if (!newcandidate)
|
|
return 0;
|
|
memset(newcandidate, 0, sizeof(struct jingle_candidate));
|
|
ast_copy_string(newcandidate->name, iks_find_attrib(traversenodes, "name"),
|
|
sizeof(newcandidate->name));
|
|
ast_copy_string(newcandidate->ip, iks_find_attrib(traversenodes, "address"),
|
|
sizeof(newcandidate->ip));
|
|
newcandidate->port = atoi(iks_find_attrib(traversenodes, "port"));
|
|
ast_copy_string(newcandidate->username, iks_find_attrib(traversenodes, "username"),
|
|
sizeof(newcandidate->username));
|
|
ast_copy_string(newcandidate->password, iks_find_attrib(traversenodes, "password"),
|
|
sizeof(newcandidate->password));
|
|
newcandidate->preference = atof(iks_find_attrib(traversenodes, "preference"));
|
|
if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "udp"))
|
|
newcandidate->protocol = AJI_PROTOCOL_UDP;
|
|
if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "ssltcp"))
|
|
newcandidate->protocol = AJI_PROTOCOL_SSLTCP;
|
|
|
|
if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "stun"))
|
|
newcandidate->type = AJI_CONNECT_STUN;
|
|
if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "local"))
|
|
newcandidate->type = AJI_CONNECT_LOCAL;
|
|
if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "relay"))
|
|
newcandidate->type = AJI_CONNECT_RELAY;
|
|
ast_copy_string(newcandidate->network, iks_find_attrib(traversenodes, "network"),
|
|
sizeof(newcandidate->network));
|
|
newcandidate->generation = atoi(iks_find_attrib(traversenodes, "generation"));
|
|
newcandidate->next = NULL;
|
|
|
|
newcandidate->next = p->theircandidates;
|
|
p->theircandidates = newcandidate;
|
|
p->laststun = 0;
|
|
jingle_update_stun(p->parent, p);
|
|
newcandidate = NULL;
|
|
}
|
|
traversenodes = iks_next(traversenodes);
|
|
}
|
|
|
|
receipt = iks_new("iq");
|
|
iks_insert_attrib(receipt, "type", "result");
|
|
iks_insert_attrib(receipt, "from", c->jid->full);
|
|
iks_insert_attrib(receipt, "to", iks_find_attrib(pak->x, "from"));
|
|
iks_insert_attrib(receipt, "id", iks_find_attrib(pak->x, "id"));
|
|
iks_send(c->p, receipt);
|
|
iks_delete(receipt);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static struct ast_frame *jingle_rtp_read(struct ast_channel *ast, struct jingle_pvt *p)
|
|
{
|
|
struct ast_frame *f;
|
|
if (!p->rtp) {
|
|
return &ast_null_frame;
|
|
}
|
|
f = ast_rtp_read(p->rtp);
|
|
jingle_update_stun(p->parent, p);
|
|
if (p->owner) {
|
|
/* We already hold the channel lock */
|
|
if (f->frametype == AST_FRAME_VOICE) {
|
|
if (f->subclass != (p->owner->nativeformats & AST_FORMAT_AUDIO_MASK)) {
|
|
if (option_debug)
|
|
ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass);
|
|
p->owner->nativeformats =
|
|
(p->owner->nativeformats & AST_FORMAT_VIDEO_MASK) | f->subclass;
|
|
ast_set_read_format(p->owner, p->owner->readformat);
|
|
ast_set_write_format(p->owner, p->owner->writeformat);
|
|
}
|
|
/* if ((ast_test_flag(p, SIP_DTMF) == SIP_DTMF_INBAND) && p->vad) {
|
|
f = ast_dsp_process(p->owner, p->vad, f);
|
|
if (option_debug && f && (f->frametype == AST_FRAME_DTMF))
|
|
ast_log(LOG_DEBUG, "* Detected inband DTMF '%c'\n", f->subclass);
|
|
} */
|
|
}
|
|
}
|
|
return f;
|
|
}
|
|
|
|
static struct ast_frame *jingle_read(struct ast_channel *ast)
|
|
{
|
|
struct ast_frame *fr;
|
|
struct jingle_pvt *p = ast->tech_pvt;
|
|
|
|
ast_mutex_lock(&p->lock);
|
|
fr = jingle_rtp_read(ast, p);
|
|
ast_mutex_unlock(&p->lock);
|
|
return fr;
|
|
}
|
|
|
|
/*! \brief Send frame to media channel (rtp) */
|
|
static int jingle_write(struct ast_channel *ast, struct ast_frame *frame)
|
|
{
|
|
struct jingle_pvt *p = ast->tech_pvt;
|
|
int res = 0;
|
|
|
|
switch (frame->frametype) {
|
|
case AST_FRAME_VOICE:
|
|
if (!(frame->subclass & ast->nativeformats)) {
|
|
ast_log(LOG_WARNING,
|
|
"Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
|
|
frame->subclass, ast->nativeformats, ast->readformat,
|
|
ast->writeformat);
|
|
return 0;
|
|
}
|
|
if (p) {
|
|
ast_mutex_lock(&p->lock);
|
|
if (p->rtp) {
|
|
res = ast_rtp_write(p->rtp, frame);
|
|
}
|
|
ast_mutex_unlock(&p->lock);
|
|
}
|
|
break;
|
|
case AST_FRAME_VIDEO:
|
|
if (p) {
|
|
ast_mutex_lock(&p->lock);
|
|
if (p->vrtp) {
|
|
res = ast_rtp_write(p->vrtp, frame);
|
|
}
|
|
ast_mutex_unlock(&p->lock);
|
|
}
|
|
break;
|
|
case AST_FRAME_IMAGE:
|
|
return 0;
|
|
break;
|
|
default:
|
|
ast_log(LOG_WARNING, "Can't send %d type frames with Jingle write\n",
|
|
frame->frametype);
|
|
return 0;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static int jingle_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
|
|
{
|
|
struct jingle_pvt *p = newchan->tech_pvt;
|
|
ast_mutex_lock(&p->lock);
|
|
|
|
if ((p->owner != oldchan)) {
|
|
ast_mutex_unlock(&p->lock);
|
|
return -1;
|
|
}
|
|
if (p->owner == oldchan)
|
|
p->owner = newchan;
|
|
ast_mutex_unlock(&p->lock);
|
|
return 0;
|
|
}
|
|
|
|
static int jingle_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen)
|
|
{
|
|
ast_log(LOG_NOTICE, "XXX Implement jingle indicate XXX\n");
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int jingle_digit(struct ast_channel *ast, char digit)
|
|
{
|
|
ast_log(LOG_NOTICE, "XXX Implement jingle digit XXX\n");
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int jingle_sendhtml(struct ast_channel *ast, int subclass, const char *data, int datalen)
|
|
{
|
|
ast_log(LOG_NOTICE, "XXX Implement jingle sendhtml XXX\n");
|
|
|
|
return -1;
|
|
}
|
|
static int jingle_transmit_invite(struct jingle_pvt *p)
|
|
{
|
|
struct jingle *jingle = NULL;
|
|
struct aji_client *client = NULL;
|
|
iks *iq, *desc, *session;
|
|
iks *payload_eg711u, *payload_pcmu;
|
|
|
|
jingle = p->parent;
|
|
client = jingle->connection;
|
|
iq = iks_new("iq");
|
|
desc = iks_new("description");
|
|
session = iks_new("session");
|
|
iks_insert_attrib(iq, "type", "set");
|
|
iks_insert_attrib(iq, "to", p->from);
|
|
iks_insert_attrib(iq, "from", client->jid->full);
|
|
iks_insert_attrib(iq, "id", client->mid);
|
|
ast_aji_increment_mid(client->mid);
|
|
iks_insert_attrib(session, "type", "initiate");
|
|
iks_insert_attrib(session, "id", p->sid);
|
|
iks_insert_attrib(session, "initiator", client->jid->full);
|
|
iks_insert_attrib(session, "xmlns", "http://www.google.com/session");
|
|
iks_insert_attrib(desc, "xmlns", "http://www.google.com/session/phone");
|
|
payload_pcmu = iks_new("payload-type");
|
|
iks_insert_attrib(payload_pcmu, "id", "0");
|
|
iks_insert_attrib(payload_pcmu, "name", "PCMU");
|
|
payload_eg711u = iks_new("payload-type");
|
|
iks_insert_attrib(payload_eg711u, "id", "100");
|
|
iks_insert_attrib(payload_eg711u, "name", "EG711U");
|
|
iks_insert_node(desc, payload_pcmu);
|
|
iks_insert_node(desc, payload_eg711u);
|
|
iks_insert_node(iq, session);
|
|
iks_insert_node(session, desc);
|
|
iks_send(client->p, iq);
|
|
iks_delete(iq);
|
|
iks_delete(desc);
|
|
iks_delete(session);
|
|
iks_delete(payload_eg711u);
|
|
iks_delete(payload_pcmu);
|
|
return 0;
|
|
}
|
|
/* Not in use right now.
|
|
static int jingle_auto_congest(void *nothing)
|
|
{
|
|
struct jingle_pvt *p = nothing;
|
|
|
|
ast_mutex_lock(&p->lock);
|
|
if (p->owner) {
|
|
if (!ast_channel_trylock(p->owner)) {
|
|
ast_log(LOG_NOTICE, "Auto-congesting %s\n", p->owner->name);
|
|
ast_queue_control(p->owner, AST_CONTROL_CONGESTION);
|
|
ast_channel_unlock(p->owner);
|
|
}
|
|
}
|
|
ast_mutex_unlock(&p->lock);
|
|
return 0;
|
|
}
|
|
*/
|
|
|
|
/*! \brief Initiate new call, part of PBX interface
|
|
* dest is the dial string */
|
|
static int jingle_call(struct ast_channel *ast, char *dest, int timeout)
|
|
{
|
|
struct jingle_pvt *p = ast->tech_pvt;
|
|
|
|
if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
|
|
ast_log(LOG_WARNING, "jingle_call called on %s, neither down nor reserved\n", ast->name);
|
|
return -1;
|
|
}
|
|
|
|
ast_setstate(ast, AST_STATE_RING);
|
|
p->jointcapability = p->capability;
|
|
if (!p->ringrule) {
|
|
ast_copy_string(p->ring, p->parent->connection->mid, sizeof(p->ring));
|
|
p->ringrule = iks_filter_add_rule(p->parent->connection->f, jingle_ringing_ack, p,
|
|
IKS_RULE_ID, p->ring, IKS_RULE_DONE);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Whoa, already have a ring rule!\n");
|
|
}
|
|
jingle_transmit_invite(p);
|
|
jingle_create_candidates(p->parent, p, p->sid, p->from);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Hangup a call through the jingle proxy channel */
|
|
static int jingle_hangup(struct ast_channel *ast)
|
|
{
|
|
struct jingle_pvt *p = ast->tech_pvt;
|
|
struct jingle *client;
|
|
|
|
ast_mutex_lock(&p->lock);
|
|
client = p->parent;
|
|
p->owner = NULL;
|
|
ast->tech_pvt = NULL;
|
|
if (!p->alreadygone)
|
|
jingle_action(client, p, "terminate");
|
|
ast_mutex_unlock(&p->lock);
|
|
|
|
jingle_free_pvt(client, p);
|
|
ast_mutex_lock(&usecnt_lock);
|
|
usecnt--;
|
|
ast_mutex_unlock(&usecnt_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Part of PBX interface */
|
|
static struct ast_channel *jingle_request(const char *type, int format, void *data, int *cause)
|
|
{
|
|
struct jingle_pvt *p = NULL;
|
|
struct jingle *client = NULL;
|
|
char *sender = NULL, *to = NULL, *s = NULL;
|
|
struct ast_channel *chan = NULL;
|
|
|
|
if (data) {
|
|
s = ast_strdupa((char *) data);
|
|
if (s) {
|
|
sender = strsep(&s, "/");
|
|
if (sender && (sender[0] != '\0'))
|
|
to = strsep(&s, "/");
|
|
if (!to) {
|
|
ast_log(LOG_ERROR, "Bad arguments\n");
|
|
if (s)
|
|
free(s);
|
|
return NULL;
|
|
}
|
|
}
|
|
}
|
|
client = find_jingle(to, sender);
|
|
if (!client) {
|
|
ast_log(LOG_WARNING, "Could not find Recipiant.\n");
|
|
if (s)
|
|
free(s);
|
|
return NULL;
|
|
}
|
|
p = jingle_alloc(client, to, NULL);
|
|
if (p) {
|
|
chan = jingle_new(client, p, AST_STATE_DOWN, to);
|
|
}
|
|
return chan;
|
|
}
|
|
|
|
#if 0
|
|
/*! \brief CLI command "jingle show channels" */
|
|
static int jingle_show(int fd, int argc, char **argv)
|
|
{
|
|
struct jingle_pvt *p = NULL;
|
|
struct jingle *peer = NULL;
|
|
struct jingle_candidate *tmp;
|
|
struct jingle *client = NULL;
|
|
client = ast_aji_get_client("asterisk");
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
ast_mutex_lock(&jinglelock);
|
|
if (client)
|
|
p = jingles->p;
|
|
while (p) {
|
|
ast_mutex_lock(&p->lock);
|
|
ast_cli(fd, "SID = %s\n", p->sid);
|
|
tmp = p->candidates;
|
|
while (tmp) {
|
|
ast_verbose("port %d\n", tmp->port);
|
|
tmp = tmp->next;
|
|
}
|
|
ast_mutex_unlock(&p->lock);
|
|
p = p->next;
|
|
}
|
|
if (!jingles->p)
|
|
ast_cli(fd, "No jingle channels in use\n");
|
|
ast_mutex_unlock(&jinglelock);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
#endif
|
|
|
|
static int jingle_parser(void *data, ikspak *pak)
|
|
{
|
|
struct jingle *client = ASTOBJ_REF((struct jingle *) data);
|
|
|
|
if (iks_find_with_attrib(pak->x, GOOGLE_NODE, "type", JINGLE_INITIATE)) {
|
|
/* New call */
|
|
jingle_newcall(client, pak);
|
|
} else if (iks_find_with_attrib(pak->x, GOOGLE_NODE, "type", GOOGLE_NEGOTIATE)) {
|
|
ast_log(LOG_DEBUG, "About to add candidate!\n");
|
|
jingle_add_candidate(client, pak);
|
|
ast_log(LOG_DEBUG, "Candidate Added!\n");
|
|
} else if (iks_find_with_attrib(pak->x, GOOGLE_NODE, "type", GOOGLE_ACCEPT)) {
|
|
jingle_is_answered(client, pak);
|
|
} else if (iks_find_with_attrib(pak->x, GOOGLE_NODE, "type", "terminate")) {
|
|
jingle_hangup_farend(client, pak);
|
|
} else if (iks_find_with_attrib(pak->x, GOOGLE_NODE, "type", "reject")) {
|
|
jingle_hangup_farend(client, pak);
|
|
}
|
|
ASTOBJ_UNREF(client, jingle_member_destroy);
|
|
return IKS_FILTER_EAT;
|
|
}
|
|
/* Not using this anymore probably take out soon
|
|
static struct jingle_candidate *jingle_create_candidate(char *args)
|
|
{
|
|
char *name, *type, *preference, *protocol;
|
|
struct jingle_candidate *res;
|
|
res = malloc(sizeof(struct jingle_candidate));
|
|
memset(res, 0, sizeof(struct jingle_candidate));
|
|
if (args)
|
|
name = args;
|
|
if ((args = strchr(args, ','))) {
|
|
*args = '\0';
|
|
args++;
|
|
preference = args;
|
|
}
|
|
if ((args = strchr(args, ','))) {
|
|
*args = '\0';
|
|
args++;
|
|
protocol = args;
|
|
}
|
|
if ((args = strchr(args, ','))) {
|
|
*args = '\0';
|
|
args++;
|
|
type = args;
|
|
}
|
|
if (name)
|
|
ast_copy_string(res->name, name, sizeof(res->name));
|
|
if (preference) {
|
|
res->preference = atof(preference);
|
|
}
|
|
if (protocol) {
|
|
if (!strcasecmp("udp", protocol))
|
|
res->protocol = AJI_PROTOCOL_UDP;
|
|
if (!strcasecmp("ssltcp", protocol))
|
|
res->protocol = AJI_PROTOCOL_SSLTCP;
|
|
}
|
|
if (type) {
|
|
if (!strcasecmp("stun", type))
|
|
res->type = AJI_CONNECT_STUN;
|
|
if (!strcasecmp("local", type))
|
|
res->type = AJI_CONNECT_LOCAL;
|
|
if (!strcasecmp("relay", type))
|
|
res->type = AJI_CONNECT_RELAY;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
*/
|
|
static int jingle_create_member(char *label, struct ast_variable *var, int allowguest,
|
|
struct ast_codec_pref prefs, char *context,
|
|
struct jingle *member)
|
|
{
|
|
struct aji_client *client;
|
|
if (!member)
|
|
ast_log(LOG_WARNING, "Out of memory.\n");
|
|
|
|
ast_copy_string(member->name, label, sizeof(member->name));
|
|
ast_copy_string(member->user, label, sizeof(member->user));
|
|
ast_copy_string(member->context, context, sizeof(member->context));
|
|
member->allowguest = allowguest;
|
|
member->prefs = prefs;
|
|
while (var) {
|
|
#if 0
|
|
struct jingle_candidate *candidate = NULL;
|
|
#endif
|
|
if (!strcasecmp(var->name, "username"))
|
|
ast_copy_string(member->user, var->value, sizeof(member->user));
|
|
else if (!strcasecmp(var->name, "disallow"))
|
|
ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 0);
|
|
else if (!strcasecmp(var->name, "allow"))
|
|
ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 1);
|
|
else if (!strcasecmp(var->name, "context"))
|
|
ast_copy_string(member->context, var->value, sizeof(member->context));
|
|
#if 0
|
|
else if (!strcasecmp(var->name, "candidate")) {
|
|
candidate = jingle_create_candidate(var->value);
|
|
if (candidate) {
|
|
candidate->next = member->ourcandidates;
|
|
member->ourcandidates = candidate;
|
|
}
|
|
}
|
|
#endif
|
|
else if (!strcasecmp(var->name, "connection")) {
|
|
if ((client = ast_aji_get_client(var->value))) {
|
|
member->connection = client;
|
|
iks_filter_add_rule(client->f, jingle_parser, member, IKS_RULE_TYPE,
|
|
IKS_PAK_IQ, IKS_RULE_FROM_PARTIAL, member->user,
|
|
IKS_RULE_NS, "http://www.google.com/session",
|
|
IKS_RULE_DONE);
|
|
} else {
|
|
ast_log(LOG_ERROR, "connection referenced not found!\n");
|
|
return 0;
|
|
}
|
|
}
|
|
var = var->next;
|
|
}
|
|
if (member->connection && member->user)
|
|
member->buddy = ASTOBJ_CONTAINER_FIND(&member->connection->buddies, member->user);
|
|
else {
|
|
ast_log(LOG_ERROR, "No Connection or Username!\n");
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int jingle_load_config(void)
|
|
{
|
|
char *cat = NULL;
|
|
struct ast_config *cfg = NULL;
|
|
char context[100];
|
|
int allowguest = 1;
|
|
struct ast_variable *var;
|
|
struct jingle *member;
|
|
struct ast_codec_pref prefs;
|
|
struct aji_client_container *clients;
|
|
struct jingle_candidate *global_candidates = NULL;
|
|
|
|
cfg = ast_config_load(JINGLE_CONFIG);
|
|
if (!cfg) {
|
|
ast_log(LOG_WARNING, "No such configuration file %s\n", JINGLE_CONFIG);
|
|
return 0;
|
|
}
|
|
|
|
/* Copy the default jb config over global_jbconf */
|
|
memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
|
|
|
|
cat = ast_category_browse(cfg, NULL);
|
|
for (var = ast_variable_browse(cfg, "general"); var; var = var->next) {
|
|
/* handle jb conf */
|
|
if (!ast_jb_read_conf(&global_jbconf, var->name, var->value))
|
|
continue;
|
|
|
|
if (!strcasecmp(var->name, "allowguest"))
|
|
allowguest =
|
|
(ast_true(ast_variable_retrieve(cfg, "general", "allowguest"))) ? 1 : 0;
|
|
else if (!strcasecmp(var->name, "disallow"))
|
|
ast_parse_allow_disallow(&prefs, &global_capability, var->value, 0);
|
|
else if (!strcasecmp(var->name, "allow"))
|
|
ast_parse_allow_disallow(&prefs, &global_capability, var->value, 1);
|
|
else if (!strcasecmp(var->name, "context"))
|
|
ast_copy_string(context, var->value, sizeof(context));
|
|
else if (!strcasecmp(var->name, "externip"))
|
|
ast_copy_string(externip, var->value, sizeof(externip));
|
|
#if 0
|
|
else if (!strcasecmp(var->name, "candidate")) {
|
|
candidate = jingle_create_candidate(var->value);
|
|
if (candidate) {
|
|
candidate->next = global_candidates;
|
|
global_candidates = candidate;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
while (cat) {
|
|
if (strcasecmp(cat, "general")) {
|
|
var = ast_variable_browse(cfg, cat);
|
|
member = (struct jingle *) malloc(sizeof(struct jingle));
|
|
memset(member, 0, sizeof(struct jingle));
|
|
ASTOBJ_INIT(member);
|
|
ASTOBJ_WRLOCK(member);
|
|
if (!strcasecmp(cat, "guest")) {
|
|
ast_copy_string(member->name, "guest", sizeof(member->name));
|
|
ast_copy_string(member->user, "guest", sizeof(member->user));
|
|
ast_copy_string(member->context, context, sizeof(member->context));
|
|
member->allowguest = allowguest;
|
|
member->prefs = prefs;
|
|
while (var) {
|
|
if (!strcasecmp(var->name, "disallow"))
|
|
ast_parse_allow_disallow(&member->prefs, &member->capability,
|
|
var->value, 0);
|
|
else if (!strcasecmp(var->name, "allow"))
|
|
ast_parse_allow_disallow(&member->prefs, &member->capability,
|
|
var->value, 1);
|
|
else if (!strcasecmp(var->name, "context"))
|
|
ast_copy_string(member->context, var->value,
|
|
sizeof(member->context));
|
|
#if 0
|
|
else if (!strcasecmp(var->name, "candidate")) {
|
|
candidate = jingle_create_candidate(var->value);
|
|
if (candidate) {
|
|
candidate->next = member->ourcandidates;
|
|
member->ourcandidates = candidate;
|
|
}
|
|
}
|
|
#endif
|
|
var = var->next;
|
|
}
|
|
ASTOBJ_UNLOCK(member);
|
|
clients = ast_aji_get_clients();
|
|
if (clients) {
|
|
ASTOBJ_CONTAINER_TRAVERSE(clients, 1, {
|
|
ASTOBJ_WRLOCK(iterator);
|
|
ASTOBJ_WRLOCK(member);
|
|
member->connection = iterator;
|
|
iks_filter_add_rule(iterator->f, jingle_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS,
|
|
"http://www.google.com/session", IKS_RULE_DONE);
|
|
ASTOBJ_UNLOCK(member);
|
|
ASTOBJ_CONTAINER_LINK(&jingles, member);
|
|
ASTOBJ_UNLOCK(iterator);
|
|
});
|
|
} else {
|
|
ASTOBJ_UNLOCK(member);
|
|
ASTOBJ_UNREF(member, jingle_member_destroy);
|
|
}
|
|
} else {
|
|
if (jingle_create_member(cat, var, allowguest, prefs, context, member)) {
|
|
ASTOBJ_UNLOCK(member);
|
|
ASTOBJ_CONTAINER_LINK(&jingles, member);
|
|
ASTOBJ_UNREF(member, jingle_member_destroy);
|
|
} else {
|
|
ASTOBJ_UNLOCK(member);
|
|
ASTOBJ_UNREF(member, jingle_member_destroy);
|
|
}
|
|
}
|
|
}
|
|
cat = ast_category_browse(cfg, cat);
|
|
}
|
|
jingle_free_candidates(global_candidates);
|
|
return 1;
|
|
}
|
|
|
|
/*! \brief Load module into PBX, register channel */
|
|
static int load_module(void *mod)
|
|
{
|
|
ASTOBJ_CONTAINER_INIT(&jingles);
|
|
if (!jingle_load_config()) {
|
|
ast_log(LOG_ERROR, "Unable to read config file %s\n", JINGLE_CONFIG);
|
|
return 0;
|
|
}
|
|
|
|
sched = sched_context_create();
|
|
|
|
if (!sched) {
|
|
ast_log(LOG_WARNING, "Unable to create schedule context\n");
|
|
}
|
|
|
|
io = io_context_create();
|
|
if (!io) {
|
|
ast_log(LOG_WARNING, "Unable to create I/O context\n");
|
|
}
|
|
|
|
if (ast_find_ourip(&__ourip, bindaddr)) {
|
|
ast_log(LOG_WARNING, "Unable to get own IP address, Jingle disabled\n");
|
|
return 0;
|
|
}
|
|
|
|
ast_rtp_proto_register(&jingle_rtp);
|
|
|
|
/* Make sure we can register our channel type */
|
|
if (ast_channel_register(&jingle_tech)) {
|
|
ast_log(LOG_ERROR, "Unable to register channel class %s\n", type);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Reload module */
|
|
static int reload(void *mod)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Unload the jingle channel from Asterisk */
|
|
static int unload_module(void *mod)
|
|
{
|
|
struct jingle_pvt *privates = NULL;
|
|
/* First, take us out of the channel loop */
|
|
ast_channel_unregister(&jingle_tech);
|
|
ast_rtp_proto_unregister(&jingle_rtp);
|
|
if (!ast_mutex_lock(&jinglelock)) {
|
|
/* Hangup all interfaces if they have an owner */
|
|
ASTOBJ_CONTAINER_TRAVERSE(&jingles, 1, {
|
|
ASTOBJ_WRLOCK(iterator);
|
|
privates = iterator->p;
|
|
while(privates) {
|
|
if (privates->owner)
|
|
ast_softhangup(privates->owner, AST_SOFTHANGUP_APPUNLOAD);
|
|
privates = privates->next;
|
|
}
|
|
iterator->p = NULL;
|
|
ASTOBJ_UNLOCK(iterator);
|
|
});
|
|
ast_mutex_unlock(&jinglelock);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
|
|
return -1;
|
|
}
|
|
ASTOBJ_CONTAINER_DESTROYALL(&jingles, jingle_member_destroy);
|
|
ASTOBJ_CONTAINER_DESTROY(&jingles);
|
|
return 0;
|
|
}
|
|
|
|
static const char *key(void)
|
|
{
|
|
return ASTERISK_GPL_KEY;
|
|
}
|
|
|
|
static const char *description(void)
|
|
{
|
|
return desc;
|
|
}
|
|
|
|
STD_MOD(MOD_1, reload, NULL, NULL);
|