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2088 lines
64 KiB
2088 lines
64 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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* Iksemel http://iksemel.jabberstudio.org/
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*
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* \ingroup channel_drivers
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*/
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/*! \li \ref chan_jingle.c uses the configuration file \ref jingle.conf
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* \addtogroup configuration_file
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*/
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/*! \page jingle.conf jingle.conf
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* \verbinclude jingle.conf.sample
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*/
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/*** MODULEINFO
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<depend>iksemel</depend>
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<depend>res_jabber</depend>
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<use type="external">openssl</use>
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<defaultenabled>no</defaultenabled>
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<support_level>deprecated</support_level>
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<replacement>chan_motif</replacement>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include <sys/socket.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 <pthread.h>
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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/module.h"
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#include "asterisk/pbx.h"
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#include "asterisk/sched.h"
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#include "asterisk/io.h"
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#include "asterisk/rtp_engine.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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#include "asterisk/stasis_channels.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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.target_extra = -1,
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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,
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AJI_PROTOCOL_SSLTCP,
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};
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enum jingle_connect_type {
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AJI_CONNECT_HOST,
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AJI_CONNECT_PRFLX,
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AJI_CONNECT_RELAY,
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AJI_CONNECT_SRFLX,
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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 them[AJI_MAX_JIDLEN];
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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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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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char audio_content_name[100]; /*!< name attribute of content tag */
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struct ast_rtp_instance *rtp; /*!< RTP audio session */
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char video_content_name[100]; /*!< name attribute of content tag */
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struct ast_rtp_instance *vrtp; /*!< RTP video session */
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struct ast_format_cap *cap;
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struct ast_format_cap *jointcap; /*!< Supported capability at both ends (codecs ) */
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struct ast_format_cap *peercap;
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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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unsigned int component; /*!< ex. : 1 for RTP, 2 for RTCP */
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unsigned int foundation; /*!< Function of IP, protocol, type */
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unsigned int generation;
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char ip[16];
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unsigned int network;
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unsigned int port;
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unsigned int priority;
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enum jingle_protocol protocol;
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char password[100];
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enum jingle_connect_type type;
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char ufrag[100];
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unsigned int preference;
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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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struct ast_format_cap *cap;
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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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char parkinglot[AST_MAX_CONTEXT]; /*!< Parkinglot */
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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 channel_type[] = "Jingle";
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static struct ast_format_cap *global_capability;
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AST_MUTEX_DEFINE_STATIC(jinglelock); /*!< Protect the interface list (of jingle_pvt's) */
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/* Forward declarations */
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static struct ast_channel *jingle_request(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *data, int *cause);
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static int jingle_sendtext(struct ast_channel *ast, const char *text);
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static int jingle_digit_begin(struct ast_channel *ast, char digit);
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static int jingle_digit_end(struct ast_channel *ast, char digit, unsigned int duration);
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static int jingle_call(struct ast_channel *ast, const 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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static char *jingle_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
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static char *jingle_do_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
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static void jingle_set_owner(struct jingle_pvt *pvt, struct ast_channel *chan);
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/*! \brief PBX interface structure for channel registration */
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static struct ast_channel_tech jingle_tech = {
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.type = "Jingle",
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.description = "Jingle Channel Driver",
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.requester = jingle_request,
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.send_text = jingle_sendtext,
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.send_digit_begin = jingle_digit_begin,
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.send_digit_end = jingle_digit_end,
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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 ast_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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static struct ast_cli_entry jingle_cli[] = {
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AST_CLI_DEFINE(jingle_do_reload, "Reload Jingle configuration"),
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AST_CLI_DEFINE(jingle_show_channels, "Show Jingle channels"),
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};
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static char externip[16];
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static struct jingle_container jingle_list;
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static void jingle_member_destroy(struct jingle *obj)
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{
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obj->cap = ast_format_cap_destroy(obj->cap);
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if (obj->connection) {
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ASTOBJ_UNREF(obj->connection, ast_aji_client_destroy);
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}
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if (obj->buddy) {
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ASTOBJ_UNREF(obj->buddy, ast_aji_buddy_destroy);
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}
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ast_free(obj);
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}
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/* XXX This could be a source of reference leaks given that the CONTAINER_FIND
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* macros bump the refcount while the traversal does not. */
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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(&jingle_list, name);
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if (!jingle && strchr(name, '@'))
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jingle = ASTOBJ_CONTAINER_FIND_FULL(&jingle_list, name, user,,, strcasecmp);
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if (!jingle) {
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/* guest call */
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ASTOBJ_CONTAINER_TRAVERSE(&jingle_list, 1, {
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ASTOBJ_RDLOCK(iterator);
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if (!strcasecmp(iterator->name, "guest")) {
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jingle = iterator;
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}
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ASTOBJ_UNLOCK(iterator);
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if (jingle)
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break;
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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, struct ast_format *codec, iks *dcodecs)
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{
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const char *format = ast_getformatname(codec);
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if (!strcasecmp("ulaw", format)) {
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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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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_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", format)) {
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iks *payload_eg711a;
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iks *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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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_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", format)) {
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iks *payload_ilbc = iks_new("payload-type");
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iks_insert_attrib(payload_ilbc, "id", "97");
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iks_insert_attrib(payload_ilbc, "name", "iLBC");
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iks_insert_node(dcodecs, payload_ilbc);
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}
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if (!strcasecmp("g723", format)) {
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iks *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_node(dcodecs, payload_g723);
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}
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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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struct ast_format pref_codec;
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struct ast_format_cap *alreadysent = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK);
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if (p->initiator || !alreadysent)
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return 1;
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iq = iks_new("iq");
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jingle = iks_new(JINGLE_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", JINGLE_AUDIO_RTP_NS);
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for (x = 0; x < AST_CODEC_PREF_SIZE; x++) {
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if (!(ast_codec_pref_index(&client->prefs, x, &pref_codec)))
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break;
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if (!(ast_format_cap_iscompatible(client->cap, &pref_codec)))
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continue;
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if ((ast_format_cap_iscompatible(alreadysent, &pref_codec)))
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continue;
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add_codec_to_answer(p, &pref_codec, dcodecs);
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ast_format_cap_add(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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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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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(iq, "type", "set");
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iks_insert_attrib(iq, "to", (p->them) ? p->them : 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", JINGLE_NS);
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iks_insert_attrib(jingle, "action", JINGLE_ACCEPT);
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iks_insert_attrib(jingle, "initiator", p->initiator ? client->connection->jid->full : p->them);
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iks_insert_attrib(jingle, JINGLE_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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ast_aji_send(c, 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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alreadysent = ast_format_cap_destroy(alreadysent);
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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;
|
|
}
|
|
|
|
static int jingle_answer(struct ast_channel *ast)
|
|
{
|
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struct jingle_pvt *p = ast_channel_tech_pvt(ast);
|
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struct jingle *client = p->parent;
|
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int res = 0;
|
|
|
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ast_debug(1, "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 enum ast_rtp_glue_result jingle_get_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance **instance)
|
|
{
|
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struct jingle_pvt *p = ast_channel_tech_pvt(chan);
|
|
enum ast_rtp_glue_result res = AST_RTP_GLUE_RESULT_FORBID;
|
|
|
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if (!p)
|
|
return res;
|
|
|
|
ast_mutex_lock(&p->lock);
|
|
if (p->rtp) {
|
|
ao2_ref(p->rtp, +1);
|
|
*instance = p->rtp;
|
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res = AST_RTP_GLUE_RESULT_LOCAL;
|
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}
|
|
ast_mutex_unlock(&p->lock);
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|
|
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return res;
|
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}
|
|
|
|
static void jingle_get_codec(struct ast_channel *chan, struct ast_format_cap *result)
|
|
{
|
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struct jingle_pvt *p = ast_channel_tech_pvt(chan);
|
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ast_mutex_lock(&p->lock);
|
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ast_format_cap_copy(result, p->peercap);
|
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ast_mutex_unlock(&p->lock);
|
|
}
|
|
|
|
static int jingle_set_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance *rtp, struct ast_rtp_instance *vrtp, struct ast_rtp_instance *tpeer, const struct ast_format_cap *cap, int nat_active)
|
|
{
|
|
struct jingle_pvt *p;
|
|
|
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p = ast_channel_tech_pvt(chan);
|
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if (!p)
|
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return -1;
|
|
ast_mutex_lock(&p->lock);
|
|
|
|
/* if (rtp)
|
|
ast_rtp_get_peer(rtp, &p->redirip);
|
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else
|
|
memset(&p->redirip, 0, sizeof(p->redirip));
|
|
p->redircodecs = codecs; */
|
|
|
|
/* Reset lastrtprx timer */
|
|
ast_mutex_unlock(&p->lock);
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_rtp_glue jingle_rtp_glue = {
|
|
.type = "Jingle",
|
|
.get_rtp_info = jingle_get_rtp_peer,
|
|
.get_codec = jingle_get_codec,
|
|
.update_peer = jingle_set_rtp_peer,
|
|
};
|
|
|
|
static int jingle_response(struct jingle *client, ikspak *pak, const char *reasonstr, const char *reasonstr2)
|
|
{
|
|
iks *response = NULL, *error = NULL, *reason = NULL;
|
|
int res = -1;
|
|
|
|
response = iks_new("iq");
|
|
if (response) {
|
|
iks_insert_attrib(response, "type", "result");
|
|
iks_insert_attrib(response, "from", client->connection->jid->full);
|
|
iks_insert_attrib(response, "to", iks_find_attrib(pak->x, "from"));
|
|
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);
|
|
}
|
|
}
|
|
ast_aji_send(client->connection, response);
|
|
res = 0;
|
|
}
|
|
|
|
iks_delete(reason);
|
|
iks_delete(error);
|
|
iks_delete(response);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int jingle_is_answered(struct jingle *client, ikspak *pak)
|
|
{
|
|
struct jingle_pvt *tmp;
|
|
|
|
ast_debug(1, "The client is %s\n", client->name);
|
|
/* Make sure our new call doesn't exist yet */
|
|
for (tmp = client->p; tmp; tmp = tmp->next) {
|
|
if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid))
|
|
break;
|
|
}
|
|
|
|
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, NULL);
|
|
return 1;
|
|
}
|
|
|
|
static int jingle_handle_dtmf(struct jingle *client, ikspak *pak)
|
|
{
|
|
struct jingle_pvt *tmp;
|
|
iks *dtmfnode = NULL, *dtmfchild = NULL;
|
|
char *dtmf;
|
|
/* Make sure our new call doesn't exist yet */
|
|
for (tmp = client->p; tmp; tmp = tmp->next) {
|
|
if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid))
|
|
break;
|
|
}
|
|
|
|
if (tmp) {
|
|
if(iks_find_with_attrib(pak->x, "dtmf-method", "method", "rtp")) {
|
|
jingle_response(client,pak,
|
|
"feature-not-implemented xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'",
|
|
"unsupported-dtmf-method xmlns='http://www.xmpp.org/extensions/xep-0181.html#ns-errors'");
|
|
return -1;
|
|
}
|
|
if ((dtmfnode = iks_find(pak->x, "dtmf"))) {
|
|
if((dtmf = iks_find_attrib(dtmfnode, "code"))) {
|
|
if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-up")) {
|
|
struct ast_frame f = {AST_FRAME_DTMF_BEGIN, };
|
|
f.subclass.integer = dtmf[0];
|
|
ast_queue_frame(tmp->owner, &f);
|
|
ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass.integer);
|
|
} else if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-down")) {
|
|
struct ast_frame f = {AST_FRAME_DTMF_END, };
|
|
f.subclass.integer = dtmf[0];
|
|
ast_queue_frame(tmp->owner, &f);
|
|
ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass.integer);
|
|
} else if(iks_find_attrib(pak->x, "dtmf")) { /* 250 millasecond default */
|
|
struct ast_frame f = {AST_FRAME_DTMF, };
|
|
f.subclass.integer = dtmf[0];
|
|
ast_queue_frame(tmp->owner, &f);
|
|
ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass.integer);
|
|
}
|
|
}
|
|
} else if ((dtmfnode = iks_find_with_attrib(pak->x, JINGLE_NODE, "action", "session-info"))) {
|
|
if((dtmfchild = iks_find(dtmfnode, "dtmf"))) {
|
|
if((dtmf = iks_find_attrib(dtmfchild, "code"))) {
|
|
if(iks_find_with_attrib(dtmfnode, "dtmf", "action", "button-up")) {
|
|
struct ast_frame f = {AST_FRAME_DTMF_END, };
|
|
f.subclass.integer = dtmf[0];
|
|
ast_queue_frame(tmp->owner, &f);
|
|
ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass.integer);
|
|
} else if(iks_find_with_attrib(dtmfnode, "dtmf", "action", "button-down")) {
|
|
struct ast_frame f = {AST_FRAME_DTMF_BEGIN, };
|
|
f.subclass.integer = dtmf[0];
|
|
ast_queue_frame(tmp->owner, &f);
|
|
ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass.integer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
jingle_response(client, pak, NULL, NULL);
|
|
return 1;
|
|
} else
|
|
ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
|
|
|
|
jingle_response(client, pak, NULL, NULL);
|
|
return 1;
|
|
}
|
|
|
|
|
|
static int jingle_hangup_farend(struct jingle *client, ikspak *pak)
|
|
{
|
|
struct jingle_pvt *tmp;
|
|
|
|
ast_debug(1, "The client is %s\n", client->name);
|
|
/* Make sure our new call doesn't exist yet */
|
|
for (tmp = client->p; tmp; tmp = tmp->next) {
|
|
if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid))
|
|
break;
|
|
}
|
|
|
|
if (tmp) {
|
|
tmp->alreadygone = 1;
|
|
if (tmp->owner)
|
|
ast_queue_hangup(tmp->owner);
|
|
} else
|
|
ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
|
|
jingle_response(client, pak, NULL, 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 = { 0, };
|
|
struct ast_sockaddr sin_tmp;
|
|
struct ast_sockaddr us_tmp;
|
|
struct ast_sockaddr bindaddr_tmp;
|
|
struct in_addr us;
|
|
struct in_addr externaddr;
|
|
iks *iq, *jingle, *content, *transport, *candidate;
|
|
char component[16], foundation[16], generation[16], network[16], pass[16], port[7], priority[16], user[16];
|
|
|
|
|
|
iq = iks_new("iq");
|
|
jingle = iks_new(JINGLE_NODE);
|
|
content = iks_new("content");
|
|
transport = iks_new("transport");
|
|
candidate = iks_new("candidate");
|
|
if (!iq || !jingle || !content || !transport || !candidate) {
|
|
ast_log(LOG_ERROR, "Memory allocation error\n");
|
|
goto safeout;
|
|
}
|
|
ours1 = ast_calloc(1, sizeof(*ours1));
|
|
ours2 = ast_calloc(1, sizeof(*ours2));
|
|
if (!ours1 || !ours2)
|
|
goto safeout;
|
|
|
|
iks_insert_node(iq, jingle);
|
|
iks_insert_node(jingle, content);
|
|
iks_insert_node(content, transport);
|
|
iks_insert_node(transport, candidate);
|
|
|
|
for (; p; p = p->next) {
|
|
if (!strcasecmp(p->sid, sid))
|
|
break;
|
|
}
|
|
|
|
if (!p) {
|
|
ast_log(LOG_NOTICE, "No matching jingle session - SID %s!\n", sid);
|
|
goto safeout;
|
|
}
|
|
|
|
ast_rtp_instance_get_local_address(p->rtp, &sin_tmp);
|
|
ast_sockaddr_to_sin(&sin_tmp, &sin);
|
|
ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr);
|
|
ast_find_ourip(&us_tmp, &bindaddr_tmp, AF_INET);
|
|
us.s_addr = htonl(ast_sockaddr_ipv4(&us_tmp));
|
|
|
|
/* Setup our first jingle candidate */
|
|
ours1->component = 1;
|
|
ours1->foundation = (unsigned int)bindaddr.sin_addr.s_addr | AJI_CONNECT_HOST | AJI_PROTOCOL_UDP;
|
|
ours1->generation = 0;
|
|
ast_copy_string(ours1->ip, ast_inet_ntoa(us), sizeof(ours1->ip));
|
|
ours1->network = 0;
|
|
ours1->port = ntohs(sin.sin_port);
|
|
ours1->priority = 1678246398;
|
|
ours1->protocol = AJI_PROTOCOL_UDP;
|
|
snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random());
|
|
ast_copy_string(ours1->password, pass, sizeof(ours1->password));
|
|
ours1->type = AJI_CONNECT_HOST;
|
|
snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random());
|
|
ast_copy_string(ours1->ufrag, user, sizeof(ours1->ufrag));
|
|
p->ourcandidates = ours1;
|
|
|
|
if (!ast_strlen_zero(externip)) {
|
|
/* XXX We should really stun for this one not just go with externip XXX */
|
|
if (inet_aton(externip, &externaddr))
|
|
ast_log(LOG_WARNING, "Invalid extern IP : %s\n", externip);
|
|
|
|
ours2->component = 1;
|
|
ours2->foundation = (unsigned int)externaddr.s_addr | AJI_CONNECT_PRFLX | AJI_PROTOCOL_UDP;
|
|
ours2->generation = 0;
|
|
ast_copy_string(ours2->ip, externip, sizeof(ours2->ip));
|
|
ours2->network = 0;
|
|
ours2->port = ntohs(sin.sin_port);
|
|
ours2->priority = 1678246397;
|
|
ours2->protocol = AJI_PROTOCOL_UDP;
|
|
snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random());
|
|
ast_copy_string(ours2->password, pass, sizeof(ours2->password));
|
|
ours2->type = AJI_CONNECT_PRFLX;
|
|
|
|
snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random());
|
|
ast_copy_string(ours2->ufrag, user, sizeof(ours2->ufrag));
|
|
ours1->next = ours2;
|
|
ours2 = NULL;
|
|
}
|
|
ours1 = NULL;
|
|
|
|
for (tmp = p->ourcandidates; tmp; tmp = tmp->next) {
|
|
snprintf(component, sizeof(component), "%u", tmp->component);
|
|
snprintf(foundation, sizeof(foundation), "%u", tmp->foundation);
|
|
snprintf(generation, sizeof(generation), "%u", tmp->generation);
|
|
snprintf(network, sizeof(network), "%u", tmp->network);
|
|
snprintf(port, sizeof(port), "%u", tmp->port);
|
|
snprintf(priority, sizeof(priority), "%u", tmp->priority);
|
|
|
|
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, "action", JINGLE_NEGOTIATE);
|
|
iks_insert_attrib(jingle, JINGLE_SID, sid);
|
|
iks_insert_attrib(jingle, "initiator", (p->initiator) ? c->jid->full : from);
|
|
iks_insert_attrib(jingle, "xmlns", JINGLE_NS);
|
|
iks_insert_attrib(content, "creator", p->initiator ? "initiator" : "responder");
|
|
iks_insert_attrib(content, "name", "asterisk-audio-content");
|
|
iks_insert_attrib(transport, "xmlns", JINGLE_ICE_UDP_NS);
|
|
iks_insert_attrib(candidate, "component", component);
|
|
iks_insert_attrib(candidate, "foundation", foundation);
|
|
iks_insert_attrib(candidate, "generation", generation);
|
|
iks_insert_attrib(candidate, "ip", tmp->ip);
|
|
iks_insert_attrib(candidate, "network", network);
|
|
iks_insert_attrib(candidate, "port", port);
|
|
iks_insert_attrib(candidate, "priority", priority);
|
|
switch (tmp->protocol) {
|
|
case AJI_PROTOCOL_UDP:
|
|
iks_insert_attrib(candidate, "protocol", "udp");
|
|
break;
|
|
case AJI_PROTOCOL_SSLTCP:
|
|
iks_insert_attrib(candidate, "protocol", "ssltcp");
|
|
break;
|
|
}
|
|
iks_insert_attrib(candidate, "pwd", tmp->password);
|
|
switch (tmp->type) {
|
|
case AJI_CONNECT_HOST:
|
|
iks_insert_attrib(candidate, "type", "host");
|
|
break;
|
|
case AJI_CONNECT_PRFLX:
|
|
iks_insert_attrib(candidate, "type", "prflx");
|
|
break;
|
|
case AJI_CONNECT_RELAY:
|
|
iks_insert_attrib(candidate, "type", "relay");
|
|
break;
|
|
case AJI_CONNECT_SRFLX:
|
|
iks_insert_attrib(candidate, "type", "srflx");
|
|
break;
|
|
}
|
|
iks_insert_attrib(candidate, "ufrag", tmp->ufrag);
|
|
|
|
ast_aji_send(c, iq);
|
|
}
|
|
p->laststun = 0;
|
|
|
|
safeout:
|
|
if (ours1)
|
|
ast_free(ours1);
|
|
if (ours2)
|
|
ast_free(ours2);
|
|
iks_delete(iq);
|
|
iks_delete(jingle);
|
|
iks_delete(content);
|
|
iks_delete(transport);
|
|
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 = NULL;
|
|
char idroster[200];
|
|
struct ast_sockaddr bindaddr_tmp;
|
|
|
|
ast_debug(1, "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 if (client->buddy)
|
|
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");
|
|
if (buddy) {
|
|
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
|
|
}
|
|
return NULL;
|
|
}
|
|
if (buddy) {
|
|
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
|
|
}
|
|
}
|
|
if (!(tmp = ast_calloc(1, sizeof(*tmp)))) {
|
|
return NULL;
|
|
}
|
|
|
|
tmp->cap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK);
|
|
tmp->jointcap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK);
|
|
tmp->peercap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK);
|
|
if (!tmp->cap || !tmp->jointcap || !tmp->peercap) {
|
|
tmp->cap = ast_format_cap_destroy(tmp->cap);
|
|
tmp->jointcap = ast_format_cap_destroy(tmp->jointcap);
|
|
tmp->peercap = ast_format_cap_destroy(tmp->peercap);
|
|
ast_free(tmp);
|
|
return NULL;
|
|
}
|
|
memcpy(&tmp->prefs, &client->prefs, sizeof(tmp->prefs));
|
|
|
|
if (sid) {
|
|
ast_copy_string(tmp->sid, sid, sizeof(tmp->sid));
|
|
ast_copy_string(tmp->them, from, sizeof(tmp->them));
|
|
} else {
|
|
snprintf(tmp->sid, sizeof(tmp->sid), "%08lx%08lx", ast_random(), ast_random());
|
|
ast_copy_string(tmp->them, idroster, sizeof(tmp->them));
|
|
tmp->initiator = 1;
|
|
}
|
|
ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr);
|
|
tmp->rtp = ast_rtp_instance_new("asterisk", sched, &bindaddr_tmp, NULL);
|
|
tmp->parent = client;
|
|
if (!tmp->rtp) {
|
|
ast_log(LOG_WARNING, "Out of RTP sessions?\n");
|
|
ast_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;
|
|
}
|
|
|
|
static void jingle_set_owner(struct jingle_pvt *pvt, struct ast_channel *chan)
|
|
{
|
|
pvt->owner = chan;
|
|
if (pvt->rtp) {
|
|
ast_rtp_instance_set_channel_id(pvt->rtp, pvt->owner ? ast_channel_uniqueid(pvt->owner) : "");
|
|
}
|
|
if (pvt->vrtp) {
|
|
ast_rtp_instance_set_channel_id(pvt->vrtp, pvt->owner ? ast_channel_uniqueid(pvt->owner) : "");
|
|
}
|
|
}
|
|
|
|
/*! \brief Start new jingle channel */
|
|
static struct ast_channel *jingle_new(struct jingle *client, struct jingle_pvt *i, int state, const char *title, const char *linkedid)
|
|
{
|
|
struct ast_channel *tmp;
|
|
struct ast_format_cap *what; /* SHALLOW COPY DO NOT DESTROY */
|
|
struct ast_format tmpfmt;
|
|
const char *str;
|
|
|
|
if (title)
|
|
str = title;
|
|
else
|
|
str = i->them;
|
|
tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, "", "", "", linkedid, 0, "Jingle/%s-%04lx", str, ast_random() & 0xffff);
|
|
if (!tmp) {
|
|
ast_log(LOG_WARNING, "Unable to allocate Jingle channel structure!\n");
|
|
return NULL;
|
|
}
|
|
|
|
ast_channel_stage_snapshot(tmp);
|
|
|
|
ast_channel_tech_set(tmp, &jingle_tech);
|
|
|
|
/* Select our native format based on codec preference until we receive
|
|
something from another device to the contrary. */
|
|
if (!ast_format_cap_is_empty(i->jointcap))
|
|
what = i->jointcap;
|
|
else if (!(ast_format_cap_is_empty(i->cap)))
|
|
what = i->cap;
|
|
else
|
|
what = global_capability;
|
|
|
|
/* Set Frame packetization */
|
|
if (i->rtp)
|
|
ast_rtp_codecs_packetization_set(ast_rtp_instance_get_codecs(i->rtp), i->rtp, &i->prefs);
|
|
|
|
ast_codec_choose(&i->prefs, what, 1, &tmpfmt);
|
|
ast_format_cap_add(ast_channel_nativeformats(tmp), &tmpfmt);
|
|
|
|
ast_format_cap_iter_start(i->jointcap);
|
|
while (!(ast_format_cap_iter_next(i->jointcap, &tmpfmt))) {
|
|
if (AST_FORMAT_GET_TYPE(tmpfmt.id) == AST_FORMAT_TYPE_VIDEO) {
|
|
ast_format_cap_add(ast_channel_nativeformats(tmp), &tmpfmt);
|
|
}
|
|
}
|
|
ast_format_cap_iter_end(i->jointcap);
|
|
|
|
if (i->rtp) {
|
|
ast_channel_set_fd(tmp, 0, ast_rtp_instance_fd(i->rtp, 0));
|
|
ast_channel_set_fd(tmp, 1, ast_rtp_instance_fd(i->rtp, 1));
|
|
}
|
|
if (i->vrtp) {
|
|
ast_channel_set_fd(tmp, 2, ast_rtp_instance_fd(i->vrtp, 0));
|
|
ast_channel_set_fd(tmp, 3, ast_rtp_instance_fd(i->vrtp, 1));
|
|
}
|
|
if (state == AST_STATE_RING)
|
|
ast_channel_rings_set(tmp, 1);
|
|
ast_channel_adsicpe_set(tmp, AST_ADSI_UNAVAILABLE);
|
|
|
|
|
|
ast_best_codec(ast_channel_nativeformats(tmp), &tmpfmt);
|
|
ast_format_copy(ast_channel_writeformat(tmp), &tmpfmt);
|
|
ast_format_copy(ast_channel_rawwriteformat(tmp), &tmpfmt);
|
|
ast_format_copy(ast_channel_readformat(tmp), &tmpfmt);
|
|
ast_format_copy(ast_channel_rawreadformat(tmp), &tmpfmt);
|
|
ast_channel_tech_pvt_set(tmp, i);
|
|
|
|
ast_channel_callgroup_set(tmp, client->callgroup);
|
|
ast_channel_pickupgroup_set(tmp, client->pickupgroup);
|
|
ast_channel_caller(tmp)->id.name.presentation = client->callingpres;
|
|
ast_channel_caller(tmp)->id.number.presentation = client->callingpres;
|
|
if (!ast_strlen_zero(client->accountcode))
|
|
ast_channel_accountcode_set(tmp, client->accountcode);
|
|
if (client->amaflags)
|
|
ast_channel_amaflags_set(tmp, client->amaflags);
|
|
if (!ast_strlen_zero(client->language))
|
|
ast_channel_language_set(tmp, client->language);
|
|
if (!ast_strlen_zero(client->musicclass))
|
|
ast_channel_musicclass_set(tmp, client->musicclass);
|
|
jingle_set_owner(i, tmp);
|
|
ast_channel_context_set(tmp, client->context);
|
|
ast_channel_exten_set(tmp, i->exten);
|
|
/* Don't use ast_set_callerid() here because it will
|
|
* generate an unnecessary NewCallerID event */
|
|
if (!ast_strlen_zero(i->cid_num)) {
|
|
ast_channel_caller(tmp)->ani.number.valid = 1;
|
|
ast_channel_caller(tmp)->ani.number.str = ast_strdup(i->cid_num);
|
|
}
|
|
if (!ast_strlen_zero(i->exten) && strcmp(i->exten, "s")) {
|
|
ast_channel_dialed(tmp)->number.str = ast_strdup(i->exten);
|
|
}
|
|
ast_channel_priority_set(tmp, 1);
|
|
if (i->rtp)
|
|
ast_jb_configure(tmp, &global_jbconf);
|
|
|
|
ast_channel_stage_snapshot_done(tmp);
|
|
|
|
if (state != AST_STATE_DOWN && ast_pbx_start(tmp)) {
|
|
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", ast_channel_name(tmp));
|
|
ast_channel_hangupcause_set(tmp, AST_CAUSE_SWITCH_CONGESTION);
|
|
ast_hangup(tmp);
|
|
tmp = NULL;
|
|
}
|
|
|
|
return tmp;
|
|
}
|
|
|
|
static int jingle_action(struct jingle *client, struct jingle_pvt *p, const char *action)
|
|
{
|
|
iks *iq, *jingle = NULL;
|
|
int res = -1;
|
|
|
|
iq = iks_new("iq");
|
|
jingle = iks_new("jingle");
|
|
|
|
if (iq) {
|
|
iks_insert_attrib(iq, "type", "set");
|
|
iks_insert_attrib(iq, "from", client->connection->jid->full);
|
|
iks_insert_attrib(iq, "to", p->them);
|
|
iks_insert_attrib(iq, "id", client->connection->mid);
|
|
ast_aji_increment_mid(client->connection->mid);
|
|
if (jingle) {
|
|
iks_insert_attrib(jingle, "action", action);
|
|
iks_insert_attrib(jingle, JINGLE_SID, p->sid);
|
|
iks_insert_attrib(jingle, "initiator", p->initiator ? client->connection->jid->full : p->them);
|
|
iks_insert_attrib(jingle, "xmlns", JINGLE_NS);
|
|
|
|
iks_insert_node(iq, jingle);
|
|
|
|
ast_aji_send(client->connection, iq);
|
|
res = 0;
|
|
}
|
|
}
|
|
|
|
iks_delete(jingle);
|
|
iks_delete(iq);
|
|
|
|
return res;
|
|
}
|
|
|
|
static void jingle_free_candidates(struct jingle_candidate *candidate)
|
|
{
|
|
struct jingle_candidate *last;
|
|
while (candidate) {
|
|
last = candidate;
|
|
candidate = candidate->next;
|
|
ast_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_instance_destroy(p->rtp);
|
|
if (p->vrtp)
|
|
ast_rtp_instance_destroy(p->vrtp);
|
|
jingle_free_candidates(p->theircandidates);
|
|
p->cap = ast_format_cap_destroy(p->cap);
|
|
p->jointcap = ast_format_cap_destroy(p->jointcap);
|
|
p->peercap = ast_format_cap_destroy(p->peercap);
|
|
|
|
ast_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, *content, *description;
|
|
char *from = NULL;
|
|
|
|
/* Make sure our new call doesn't exist yet */
|
|
from = iks_find_attrib(pak->x,"to");
|
|
if(!from)
|
|
from = client->connection->jid->full;
|
|
|
|
while (tmp) {
|
|
if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid)) {
|
|
ast_log(LOG_NOTICE, "Ignoring duplicate call setup on SID %s\n", tmp->sid);
|
|
jingle_response(client, pak, "out-of-order", NULL);
|
|
return -1;
|
|
}
|
|
tmp = tmp->next;
|
|
}
|
|
|
|
if (!strcasecmp(client->name, "guest")){
|
|
/* the guest account is not tied to any configured XMPP client,
|
|
let's set it now */
|
|
if (client->connection) {
|
|
ASTOBJ_UNREF(client->connection, ast_aji_client_destroy);
|
|
}
|
|
client->connection = ast_aji_get_client(from);
|
|
if (!client->connection) {
|
|
ast_log(LOG_ERROR, "No XMPP client to talk to, us (partial JID) : %s\n", from);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
p = jingle_alloc(client, pak->from->partial, iks_find_attrib(pak->query, JINGLE_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, NULL);
|
|
if (!chan) {
|
|
jingle_free_pvt(client, p);
|
|
return -1;
|
|
}
|
|
ast_mutex_lock(&p->lock);
|
|
ast_copy_string(p->them, pak->from->full, sizeof(p->them));
|
|
if (iks_find_attrib(pak->query, JINGLE_SID)) {
|
|
ast_copy_string(p->sid, iks_find_attrib(pak->query, JINGLE_SID),
|
|
sizeof(p->sid));
|
|
}
|
|
|
|
/* content points to the first <content/> tag */
|
|
content = iks_child(iks_child(pak->x));
|
|
while (content) {
|
|
description = iks_find_with_attrib(content, "description", "xmlns", JINGLE_AUDIO_RTP_NS);
|
|
if (description) {
|
|
/* audio content found */
|
|
codec = iks_child(iks_child(content));
|
|
ast_copy_string(p->audio_content_name, iks_find_attrib(content, "name"), sizeof(p->audio_content_name));
|
|
|
|
while (codec) {
|
|
ast_rtp_codecs_payloads_set_m_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(iks_find_attrib(codec, "id")));
|
|
ast_rtp_codecs_payloads_set_rtpmap_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(iks_find_attrib(codec, "id")), "audio", iks_find_attrib(codec, "name"), 0);
|
|
codec = iks_next(codec);
|
|
}
|
|
}
|
|
|
|
description = NULL;
|
|
codec = NULL;
|
|
|
|
description = iks_find_with_attrib(content, "description", "xmlns", JINGLE_VIDEO_RTP_NS);
|
|
if (description) {
|
|
/* video content found */
|
|
codec = iks_child(iks_child(content));
|
|
ast_copy_string(p->video_content_name, iks_find_attrib(content, "name"), sizeof(p->video_content_name));
|
|
|
|
while (codec) {
|
|
ast_rtp_codecs_payloads_set_m_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(iks_find_attrib(codec, "id")));
|
|
ast_rtp_codecs_payloads_set_rtpmap_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(iks_find_attrib(codec, "id")), "audio", iks_find_attrib(codec, "name"), 0);
|
|
codec = iks_next(codec);
|
|
}
|
|
}
|
|
|
|
content = iks_next(content);
|
|
}
|
|
|
|
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", NULL);
|
|
break;
|
|
case AST_PBX_CALL_LIMIT:
|
|
ast_log(LOG_WARNING, "Failed to start PBX (call limit reached) \n");
|
|
jingle_response(client, pak, "service-unavailable", NULL);
|
|
break;
|
|
case AST_PBX_SUCCESS:
|
|
jingle_response(client, pak, NULL, NULL);
|
|
jingle_create_candidates(client, p,
|
|
iks_find_attrib(pak->query, JINGLE_SID),
|
|
iks_find_attrib(pak->x, "from"));
|
|
/* nothing to do */
|
|
break;
|
|
}
|
|
|
|
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;
|
|
struct ast_sockaddr sin_tmp;
|
|
|
|
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->ufrag, p->ourcandidates->ufrag);
|
|
|
|
ast_sockaddr_from_sin(&sin_tmp, &sin);
|
|
ast_rtp_instance_stun_request(p->rtp, &sin_tmp, 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;
|
|
|
|
for (tmp = client->p; tmp; tmp = tmp->next) {
|
|
if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid)) {
|
|
p = tmp;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!p)
|
|
return -1;
|
|
|
|
traversenodes = pak->query;
|
|
while(traversenodes) {
|
|
if(!strcasecmp(iks_name(traversenodes), "jingle")) {
|
|
traversenodes = iks_child(traversenodes);
|
|
continue;
|
|
}
|
|
if(!strcasecmp(iks_name(traversenodes), "content")) {
|
|
traversenodes = iks_child(traversenodes);
|
|
continue;
|
|
}
|
|
if(!strcasecmp(iks_name(traversenodes), "transport")) {
|
|
traversenodes = iks_child(traversenodes);
|
|
continue;
|
|
}
|
|
|
|
if(!strcasecmp(iks_name(traversenodes), "candidate")) {
|
|
newcandidate = ast_calloc(1, sizeof(*newcandidate));
|
|
if (!newcandidate)
|
|
return 0;
|
|
ast_copy_string(newcandidate->ip, iks_find_attrib(traversenodes, "ip"), sizeof(newcandidate->ip));
|
|
newcandidate->port = atoi(iks_find_attrib(traversenodes, "port"));
|
|
ast_copy_string(newcandidate->password, iks_find_attrib(traversenodes, "pwd"), sizeof(newcandidate->password));
|
|
if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "udp"))
|
|
newcandidate->protocol = AJI_PROTOCOL_UDP;
|
|
else if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "ssltcp"))
|
|
newcandidate->protocol = AJI_PROTOCOL_SSLTCP;
|
|
|
|
if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "host"))
|
|
newcandidate->type = AJI_CONNECT_HOST;
|
|
else if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "prflx"))
|
|
newcandidate->type = AJI_CONNECT_PRFLX;
|
|
else if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "relay"))
|
|
newcandidate->type = AJI_CONNECT_RELAY;
|
|
else if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "srflx"))
|
|
newcandidate->type = AJI_CONNECT_SRFLX;
|
|
|
|
newcandidate->network = atoi(iks_find_attrib(traversenodes, "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"));
|
|
ast_aji_send(c, 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_instance_read(p->rtp, 0);
|
|
jingle_update_stun(p->parent, p);
|
|
if (p->owner) {
|
|
/* We already hold the channel lock */
|
|
if (f->frametype == AST_FRAME_VOICE) {
|
|
if (!(ast_format_cap_iscompatible(ast_channel_nativeformats(p->owner), &f->subclass.format))) {
|
|
ast_debug(1, "Oooh, format changed to %s\n", ast_getformatname(&f->subclass.format));
|
|
ast_format_cap_remove_bytype(ast_channel_nativeformats(p->owner), AST_FORMAT_TYPE_AUDIO);
|
|
ast_format_cap_add(ast_channel_nativeformats(p->owner), &f->subclass.format);
|
|
ast_set_read_format(p->owner, ast_channel_readformat(p->owner));
|
|
ast_set_write_format(p->owner, ast_channel_writeformat(p->owner));
|
|
}
|
|
/* if ((ast_test_flag(p, SIP_DTMF) == SIP_DTMF_INBAND) && p->vad) {
|
|
f = ast_dsp_process(p->owner, p->vad, f);
|
|
if (f && (f->frametype == AST_FRAME_DTMF))
|
|
ast_debug(1, "* Detected inband DTMF '%c'\n", f->subclass.codec);
|
|
} */
|
|
}
|
|
}
|
|
return f;
|
|
}
|
|
|
|
static struct ast_frame *jingle_read(struct ast_channel *ast)
|
|
{
|
|
struct ast_frame *fr;
|
|
struct jingle_pvt *p = ast_channel_tech_pvt(ast);
|
|
|
|
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_channel_tech_pvt(ast);
|
|
int res = 0;
|
|
char buf[256];
|
|
|
|
switch (frame->frametype) {
|
|
case AST_FRAME_VOICE:
|
|
if (!(ast_format_cap_iscompatible(ast_channel_nativeformats(ast), &frame->subclass.format))) {
|
|
ast_log(LOG_WARNING,
|
|
"Asked to transmit frame type %s, while native formats is %s (read/write = %s/%s)\n",
|
|
ast_getformatname(&frame->subclass.format),
|
|
ast_getformatname_multiple(buf, sizeof(buf), ast_channel_nativeformats(ast)),
|
|
ast_getformatname(ast_channel_readformat(ast)),
|
|
ast_getformatname(ast_channel_writeformat(ast)));
|
|
return 0;
|
|
}
|
|
if (p) {
|
|
ast_mutex_lock(&p->lock);
|
|
if (p->rtp) {
|
|
res = ast_rtp_instance_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_instance_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 = ast_channel_tech_pvt(newchan);
|
|
ast_mutex_lock(&p->lock);
|
|
|
|
if ((p->owner != oldchan)) {
|
|
ast_mutex_unlock(&p->lock);
|
|
return -1;
|
|
}
|
|
if (p->owner == oldchan) {
|
|
jingle_set_owner(p, newchan);
|
|
}
|
|
ast_mutex_unlock(&p->lock);
|
|
return 0;
|
|
}
|
|
|
|
static int jingle_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen)
|
|
{
|
|
int res = 0;
|
|
|
|
switch (condition) {
|
|
case AST_CONTROL_HOLD:
|
|
ast_moh_start(ast, data, NULL);
|
|
break;
|
|
case AST_CONTROL_UNHOLD:
|
|
ast_moh_stop(ast);
|
|
break;
|
|
default:
|
|
ast_log(LOG_NOTICE, "Don't know how to indicate condition '%d'\n", condition);
|
|
/* fallthrough */
|
|
case AST_CONTROL_PVT_CAUSE_CODE:
|
|
res = -1;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static int jingle_sendtext(struct ast_channel *chan, const char *text)
|
|
{
|
|
int res = 0;
|
|
struct aji_client *client = NULL;
|
|
struct jingle_pvt *p = ast_channel_tech_pvt(chan);
|
|
|
|
|
|
if (!p->parent) {
|
|
ast_log(LOG_ERROR, "Parent channel not found\n");
|
|
return -1;
|
|
}
|
|
if (!p->parent->connection) {
|
|
ast_log(LOG_ERROR, "XMPP client not found\n");
|
|
return -1;
|
|
}
|
|
client = p->parent->connection;
|
|
res = ast_aji_send_chat(client, p->them, text);
|
|
return res;
|
|
}
|
|
|
|
static int jingle_digit(struct ast_channel *ast, char digit, unsigned int duration)
|
|
{
|
|
struct jingle_pvt *p = ast_channel_tech_pvt(ast);
|
|
struct jingle *client = p->parent;
|
|
iks *iq, *jingle, *dtmf;
|
|
char buffer[2] = {digit, '\0'};
|
|
iq = iks_new("iq");
|
|
jingle = iks_new("jingle");
|
|
dtmf = iks_new("dtmf");
|
|
if(!iq || !jingle || !dtmf) {
|
|
iks_delete(iq);
|
|
iks_delete(jingle);
|
|
iks_delete(dtmf);
|
|
ast_log(LOG_ERROR, "Did not send dtmf do to memory issue\n");
|
|
return -1;
|
|
}
|
|
|
|
iks_insert_attrib(iq, "type", "set");
|
|
iks_insert_attrib(iq, "to", p->them);
|
|
iks_insert_attrib(iq, "from", client->connection->jid->full);
|
|
iks_insert_attrib(iq, "id", client->connection->mid);
|
|
ast_aji_increment_mid(client->connection->mid);
|
|
iks_insert_attrib(jingle, "xmlns", JINGLE_NS);
|
|
iks_insert_attrib(jingle, "action", "session-info");
|
|
iks_insert_attrib(jingle, "initiator", p->initiator ? client->connection->jid->full : p->them);
|
|
iks_insert_attrib(jingle, "sid", p->sid);
|
|
iks_insert_attrib(dtmf, "xmlns", JINGLE_DTMF_NS);
|
|
iks_insert_attrib(dtmf, "code", buffer);
|
|
iks_insert_node(iq, jingle);
|
|
iks_insert_node(jingle, dtmf);
|
|
|
|
ast_mutex_lock(&p->lock);
|
|
if (ast_channel_dtmff(ast)->frametype == AST_FRAME_DTMF_BEGIN || duration == 0) {
|
|
iks_insert_attrib(dtmf, "action", "button-down");
|
|
} else if (ast_channel_dtmff(ast)->frametype == AST_FRAME_DTMF_END || duration != 0) {
|
|
iks_insert_attrib(dtmf, "action", "button-up");
|
|
}
|
|
ast_aji_send(client->connection, iq);
|
|
|
|
iks_delete(iq);
|
|
iks_delete(jingle);
|
|
iks_delete(dtmf);
|
|
ast_mutex_unlock(&p->lock);
|
|
return 0;
|
|
}
|
|
|
|
static int jingle_digit_begin(struct ast_channel *chan, char digit)
|
|
{
|
|
return jingle_digit(chan, digit, 0);
|
|
}
|
|
|
|
static int jingle_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
|
|
{
|
|
return jingle_digit(ast, digit, duration);
|
|
}
|
|
|
|
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 *aux = NULL;
|
|
struct aji_client *client = NULL;
|
|
iks *iq, *jingle, *content, *description, *transport;
|
|
iks *payload_eg711u, *payload_pcmu;
|
|
|
|
aux = p->parent;
|
|
client = aux->connection;
|
|
iq = iks_new("iq");
|
|
jingle = iks_new(JINGLE_NODE);
|
|
content = iks_new("content");
|
|
description = iks_new("description");
|
|
transport = iks_new("transport");
|
|
payload_pcmu = iks_new("payload-type");
|
|
payload_eg711u = iks_new("payload-type");
|
|
|
|
ast_copy_string(p->audio_content_name, "asterisk-audio-content", sizeof(p->audio_content_name));
|
|
|
|
iks_insert_attrib(iq, "type", "set");
|
|
iks_insert_attrib(iq, "to", p->them);
|
|
iks_insert_attrib(iq, "from", client->jid->full);
|
|
iks_insert_attrib(iq, "id", client->mid);
|
|
ast_aji_increment_mid(client->mid);
|
|
iks_insert_attrib(jingle, "action", JINGLE_INITIATE);
|
|
iks_insert_attrib(jingle, JINGLE_SID, p->sid);
|
|
iks_insert_attrib(jingle, "initiator", client->jid->full);
|
|
iks_insert_attrib(jingle, "xmlns", JINGLE_NS);
|
|
|
|
/* For now, we only send one audio based content */
|
|
iks_insert_attrib(content, "creator", "initiator");
|
|
iks_insert_attrib(content, "name", p->audio_content_name);
|
|
iks_insert_attrib(content, "profile", "RTP/AVP");
|
|
iks_insert_attrib(description, "xmlns", JINGLE_AUDIO_RTP_NS);
|
|
iks_insert_attrib(transport, "xmlns", JINGLE_ICE_UDP_NS);
|
|
iks_insert_attrib(payload_pcmu, "id", "0");
|
|
iks_insert_attrib(payload_pcmu, "name", "PCMU");
|
|
iks_insert_attrib(payload_eg711u, "id", "100");
|
|
iks_insert_attrib(payload_eg711u, "name", "EG711U");
|
|
iks_insert_node(description, payload_pcmu);
|
|
iks_insert_node(description, payload_eg711u);
|
|
iks_insert_node(content, description);
|
|
iks_insert_node(content, transport);
|
|
iks_insert_node(jingle, content);
|
|
iks_insert_node(iq, jingle);
|
|
|
|
ast_aji_send(client, iq);
|
|
|
|
iks_delete(iq);
|
|
iks_delete(jingle);
|
|
iks_delete(content);
|
|
iks_delete(description);
|
|
iks_delete(transport);
|
|
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, const char *dest, int timeout)
|
|
{
|
|
struct jingle_pvt *p = ast_channel_tech_pvt(ast);
|
|
|
|
if ((ast_channel_state(ast) != AST_STATE_DOWN) && (ast_channel_state(ast) != AST_STATE_RESERVED)) {
|
|
ast_log(LOG_WARNING, "jingle_call called on %s, neither down nor reserved\n", ast_channel_name(ast));
|
|
return -1;
|
|
}
|
|
|
|
ast_setstate(ast, AST_STATE_RING);
|
|
ast_format_cap_copy(p->jointcap, p->cap);
|
|
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->them);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Hangup a call through the jingle proxy channel */
|
|
static int jingle_hangup(struct ast_channel *ast)
|
|
{
|
|
struct jingle_pvt *p = ast_channel_tech_pvt(ast);
|
|
struct jingle *client;
|
|
|
|
ast_mutex_lock(&p->lock);
|
|
client = p->parent;
|
|
jingle_set_owner(p, NULL);
|
|
ast_channel_tech_pvt_set(ast, NULL);
|
|
if (!p->alreadygone)
|
|
jingle_action(client, p, JINGLE_TERMINATE);
|
|
ast_mutex_unlock(&p->lock);
|
|
|
|
jingle_free_pvt(client, p);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Part of PBX interface */
|
|
static struct ast_channel *jingle_request(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *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(data);
|
|
sender = strsep(&s, "/");
|
|
if (sender && (sender[0] != '\0'))
|
|
to = strsep(&s, "/");
|
|
if (!to) {
|
|
ast_log(LOG_ERROR, "Bad arguments in Jingle Dialstring: %s\n", data);
|
|
return NULL;
|
|
}
|
|
if (!to) {
|
|
ast_log(LOG_ERROR, "Bad arguments in Jingle Dialstring: %s\n", (char*) data);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
client = find_jingle(to, sender);
|
|
if (!client) {
|
|
ast_log(LOG_WARNING, "Could not find recipient.\n");
|
|
return NULL;
|
|
}
|
|
if (!strcasecmp(client->name, "guest")){
|
|
/* the guest account is not tied to any configured XMPP client,
|
|
let's set it now */
|
|
if (client->connection) {
|
|
ASTOBJ_UNREF(client->connection, ast_aji_client_destroy);
|
|
}
|
|
client->connection = ast_aji_get_client(sender);
|
|
if (!client->connection) {
|
|
ast_log(LOG_ERROR, "No XMPP client to talk to, us (partial JID) : %s\n", sender);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
ASTOBJ_WRLOCK(client);
|
|
p = jingle_alloc(client, to, NULL);
|
|
if (p)
|
|
chan = jingle_new(client, p, AST_STATE_DOWN, to, requestor ? ast_channel_linkedid(requestor) : NULL);
|
|
ASTOBJ_UNLOCK(client);
|
|
|
|
return chan;
|
|
}
|
|
|
|
/*! \brief CLI command "jingle show channels" */
|
|
static char *jingle_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
#define FORMAT "%-30.30s %-30.30s %-15.15s %-5.5s %-5.5s \n"
|
|
struct jingle_pvt *p;
|
|
struct ast_channel *chan;
|
|
int numchans = 0;
|
|
char them[AJI_MAX_JIDLEN];
|
|
char *jid = NULL;
|
|
char *resource = NULL;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "jingle show channels";
|
|
e->usage =
|
|
"Usage: jingle show channels\n"
|
|
" Shows current state of the Jingle channels.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc != 3)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
ast_mutex_lock(&jinglelock);
|
|
ast_cli(a->fd, FORMAT, "Channel", "Jabber ID", "Resource", "Read", "Write");
|
|
ASTOBJ_CONTAINER_TRAVERSE(&jingle_list, 1, {
|
|
ASTOBJ_WRLOCK(iterator);
|
|
p = iterator->p;
|
|
while(p) {
|
|
chan = p->owner;
|
|
ast_copy_string(them, p->them, sizeof(them));
|
|
jid = them;
|
|
resource = strchr(them, '/');
|
|
if (!resource)
|
|
resource = "None";
|
|
else {
|
|
*resource = '\0';
|
|
resource ++;
|
|
}
|
|
if (chan)
|
|
ast_cli(a->fd, FORMAT,
|
|
ast_channel_name(chan),
|
|
jid,
|
|
resource,
|
|
ast_getformatname(ast_channel_readformat(chan)),
|
|
ast_getformatname(ast_channel_writeformat(chan))
|
|
);
|
|
else
|
|
ast_log(LOG_WARNING, "No available channel\n");
|
|
numchans ++;
|
|
p = p->next;
|
|
}
|
|
ASTOBJ_UNLOCK(iterator);
|
|
});
|
|
|
|
ast_mutex_unlock(&jinglelock);
|
|
|
|
ast_cli(a->fd, "%d active jingle channel%s\n", numchans, (numchans != 1) ? "s" : "");
|
|
return CLI_SUCCESS;
|
|
#undef FORMAT
|
|
}
|
|
|
|
/*! \brief CLI command "jingle reload" */
|
|
static char *jingle_do_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "jingle reload";
|
|
e->usage =
|
|
"Usage: jingle reload\n"
|
|
" Reload jingle channel driver.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static int jingle_parser(void *data, ikspak *pak)
|
|
{
|
|
struct jingle *client = ASTOBJ_REF((struct jingle *) data);
|
|
ast_log(LOG_NOTICE, "Filter matched\n");
|
|
|
|
if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_INITIATE)) {
|
|
/* New call */
|
|
jingle_newcall(client, pak);
|
|
} else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_NEGOTIATE)) {
|
|
ast_debug(3, "About to add candidate!\n");
|
|
jingle_add_candidate(client, pak);
|
|
ast_debug(3, "Candidate Added!\n");
|
|
} else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_ACCEPT)) {
|
|
jingle_is_answered(client, pak);
|
|
} else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_INFO)) {
|
|
jingle_handle_dtmf(client, pak);
|
|
} else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_TERMINATE)) {
|
|
jingle_hangup_farend(client, pak);
|
|
} else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", "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 = ast_calloc(1, sizeof(*res));
|
|
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("host", type))
|
|
res->type = AJI_CONNECT_HOST;
|
|
if (!strcasecmp("prflx", type))
|
|
res->type = AJI_CONNECT_PRFLX;
|
|
if (!strcasecmp("relay", type))
|
|
res->type = AJI_CONNECT_RELAY;
|
|
if (!strcasecmp("srflx", type))
|
|
res->type = AJI_CONNECT_SRFLX;
|
|
}
|
|
|
|
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->cap, var->value, 0);
|
|
else if (!strcasecmp(var->name, "allow"))
|
|
ast_parse_allow_disallow(&member->prefs, member->cap, 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, JINGLE_NS,
|
|
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 hostent *hp;
|
|
struct ast_hostent ahp;
|
|
struct ast_codec_pref prefs;
|
|
struct aji_client_container *clients;
|
|
struct jingle_candidate *global_candidates = NULL;
|
|
struct ast_flags config_flags = { 0 };
|
|
|
|
cfg = ast_config_load(JINGLE_CONFIG, config_flags);
|
|
if (!cfg || cfg == CONFIG_STATUS_FILEINVALID) {
|
|
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));
|
|
else if (!strcasecmp(var->name, "bindaddr")) {
|
|
if (!(hp = ast_gethostbyname(var->value, &ahp))) {
|
|
ast_log(LOG_WARNING, "Invalid address: %s\n", var->value);
|
|
} else {
|
|
memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr));
|
|
}
|
|
}
|
|
/* Idea to allow for custom candidates */
|
|
/*
|
|
else if (!strcasecmp(var->name, "candidate")) {
|
|
candidate = jingle_create_candidate(var->value);
|
|
if (candidate) {
|
|
candidate->next = global_candidates;
|
|
global_candidates = candidate;
|
|
}
|
|
}
|
|
*/
|
|
}
|
|
while (cat) {
|
|
if (strcasecmp(cat, "general")) {
|
|
var = ast_variable_browse(cfg, cat);
|
|
member = ast_calloc(1, sizeof(*member));
|
|
ASTOBJ_INIT(member);
|
|
ASTOBJ_WRLOCK(member);
|
|
member->cap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK);
|
|
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->cap,
|
|
var->value, 0);
|
|
else if (!strcasecmp(var->name, "allow"))
|
|
ast_parse_allow_disallow(&member->prefs, member->cap,
|
|
var->value, 1);
|
|
else if (!strcasecmp(var->name, "context"))
|
|
ast_copy_string(member->context, var->value,
|
|
sizeof(member->context));
|
|
else if (!strcasecmp(var->name, "parkinglot"))
|
|
ast_copy_string(member->parkinglot, var->value,
|
|
sizeof(member->parkinglot));
|
|
/* Idea to allow for custom candidates */
|
|
/*
|
|
else if (!strcasecmp(var->name, "candidate")) {
|
|
candidate = jingle_create_candidate(var->value);
|
|
if (candidate) {
|
|
candidate->next = member->ourcandidates;
|
|
member->ourcandidates = candidate;
|
|
}
|
|
}
|
|
*/
|
|
var = var->next;
|
|
}
|
|
ASTOBJ_UNLOCK(member);
|
|
clients = ast_aji_get_clients();
|
|
if (clients) {
|
|
ASTOBJ_CONTAINER_TRAVERSE(clients, 1, {
|
|
ASTOBJ_WRLOCK(iterator);
|
|
ASTOBJ_WRLOCK(member);
|
|
if (member->connection) {
|
|
ASTOBJ_UNREF(member->connection, ast_aji_client_destroy);
|
|
}
|
|
member->connection = NULL;
|
|
iks_filter_add_rule(iterator->f, jingle_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, JINGLE_NS, IKS_RULE_DONE);
|
|
iks_filter_add_rule(iterator->f, jingle_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, JINGLE_DTMF_NS, IKS_RULE_DONE);
|
|
ASTOBJ_UNLOCK(member);
|
|
ASTOBJ_UNLOCK(iterator);
|
|
});
|
|
ASTOBJ_CONTAINER_LINK(&jingle_list, member);
|
|
} else {
|
|
ASTOBJ_UNLOCK(member);
|
|
ASTOBJ_UNREF(member, jingle_member_destroy);
|
|
}
|
|
} else {
|
|
ASTOBJ_UNLOCK(member);
|
|
if (jingle_create_member(cat, var, allowguest, prefs, context, member))
|
|
ASTOBJ_CONTAINER_LINK(&jingle_list, member);
|
|
ASTOBJ_UNREF(member, jingle_member_destroy);
|
|
}
|
|
}
|
|
cat = ast_category_browse(cfg, cat);
|
|
}
|
|
ast_config_destroy(cfg);
|
|
jingle_free_candidates(global_candidates);
|
|
return 1;
|
|
}
|
|
|
|
/*!
|
|
* \brief Load the module
|
|
*
|
|
* Module loading including tests for configuration or dependencies.
|
|
* This function can return AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_DECLINE,
|
|
* or AST_MODULE_LOAD_SUCCESS. If a dependency or environment variable fails
|
|
* tests return AST_MODULE_LOAD_FAILURE. If the module can not load the
|
|
* configuration file or other non-critical problem return
|
|
* AST_MODULE_LOAD_DECLINE. On success return AST_MODULE_LOAD_SUCCESS.
|
|
*/
|
|
static int load_module(void)
|
|
{
|
|
struct ast_sockaddr ourip_tmp;
|
|
struct ast_sockaddr bindaddr_tmp;
|
|
struct ast_format tmpfmt;
|
|
|
|
char *jabber_loaded = ast_module_helper("", "res_jabber.so", 0, 0, 0, 0);
|
|
|
|
if (!(jingle_tech.capabilities = ast_format_cap_alloc(0))) {
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
}
|
|
|
|
ast_format_cap_add_all_by_type(jingle_tech.capabilities, AST_FORMAT_TYPE_AUDIO);
|
|
if (!(global_capability = ast_format_cap_alloc(0))) {
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
}
|
|
ast_format_cap_add(global_capability, ast_format_set(&tmpfmt, AST_FORMAT_ULAW, 0));
|
|
ast_format_cap_add(global_capability, ast_format_set(&tmpfmt, AST_FORMAT_GSM, 0));
|
|
ast_format_cap_add(global_capability, ast_format_set(&tmpfmt, AST_FORMAT_ALAW, 0));
|
|
ast_format_cap_add(global_capability, ast_format_set(&tmpfmt, AST_FORMAT_H263, 0));
|
|
|
|
free(jabber_loaded);
|
|
if (!jabber_loaded) {
|
|
/* Dependency module has a different name, if embedded */
|
|
jabber_loaded = ast_module_helper("", "res_jabber", 0, 0, 0, 0);
|
|
free(jabber_loaded);
|
|
if (!jabber_loaded) {
|
|
ast_log(LOG_ERROR, "chan_jingle.so depends upon res_jabber.so\n");
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
}
|
|
}
|
|
|
|
ASTOBJ_CONTAINER_INIT(&jingle_list);
|
|
if (!jingle_load_config()) {
|
|
ast_log(LOG_ERROR, "Unable to read config file %s. Not loading module.\n", JINGLE_CONFIG);
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
}
|
|
|
|
sched = ast_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");
|
|
}
|
|
|
|
bindaddr.sin_family = AF_INET;
|
|
ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr);
|
|
if (ast_find_ourip(&ourip_tmp, &bindaddr_tmp, AF_INET)) {
|
|
ast_log(LOG_WARNING, "Unable to get own IP address, Jingle disabled\n");
|
|
return 0;
|
|
}
|
|
__ourip.s_addr = htonl(ast_sockaddr_ipv4(&ourip_tmp));
|
|
|
|
ast_rtp_glue_register(&jingle_rtp_glue);
|
|
ast_cli_register_multiple(jingle_cli, ARRAY_LEN(jingle_cli));
|
|
/* 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", channel_type);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Reload module */
|
|
static int reload(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Unload the jingle channel from Asterisk */
|
|
static int unload_module(void)
|
|
{
|
|
struct jingle_pvt *privates = NULL;
|
|
ast_cli_unregister_multiple(jingle_cli, ARRAY_LEN(jingle_cli));
|
|
/* First, take us out of the channel loop */
|
|
ast_channel_unregister(&jingle_tech);
|
|
ast_rtp_glue_unregister(&jingle_rtp_glue);
|
|
|
|
if (!ast_mutex_lock(&jinglelock)) {
|
|
/* Hangup all interfaces if they have an owner */
|
|
ASTOBJ_CONTAINER_TRAVERSE(&jingle_list, 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(&jingle_list, jingle_member_destroy);
|
|
ASTOBJ_CONTAINER_DESTROY(&jingle_list);
|
|
|
|
global_capability = ast_format_cap_destroy(global_capability);
|
|
return 0;
|
|
}
|
|
|
|
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "Jingle Channel Driver",
|
|
.load = load_module,
|
|
.unload = unload_module,
|
|
.reload = reload,
|
|
.load_pri = AST_MODPRI_CHANNEL_DRIVER,
|
|
);
|