+++ /dev/null
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2005, Digium, Inc.
- *
- * Matt O'Gorman <mogorman@digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- *
- * \author Matt O'Gorman <mogorman@digium.com>
- *
- * \brief Jingle Channel Driver
- *
- * \ingroup channel_drivers
- */
-
-/*** MODULEINFO
- <depend>iksemel</depend>
- ***/
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/socket.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <sys/signal.h>
-#include <iksemel.h>
-
-#include "asterisk/lock.h"
-#include "asterisk/channel.h"
-#include "asterisk/config.h"
-#include "asterisk/logger.h"
-#include "asterisk/module.h"
-#include "asterisk/pbx.h"
-#include "asterisk/options.h"
-#include "asterisk/lock.h"
-#include "asterisk/sched.h"
-#include "asterisk/io.h"
-#include "asterisk/rtp.h"
-#include "asterisk/acl.h"
-#include "asterisk/callerid.h"
-#include "asterisk/file.h"
-#include "asterisk/cli.h"
-#include "asterisk/app.h"
-#include "asterisk/musiconhold.h"
-#include "asterisk/manager.h"
-#include "asterisk/stringfields.h"
-#include "asterisk/utils.h"
-#include "asterisk/causes.h"
-#include "asterisk/astobj.h"
-#include "asterisk/abstract_jb.h"
-#include "asterisk/jabber.h"
-#include "asterisk/jingle.h"
-
-#define JINGLE_CONFIG "jingle.conf"
-
-/*! Global jitterbuffer configuration - by default, jb is disabled */
-static struct ast_jb_conf default_jbconf =
-{
- .flags = 0,
- .max_size = -1,
- .resync_threshold = -1,
- .impl = ""
-};
-static struct ast_jb_conf global_jbconf;
-
-enum jingle_protocol {
- AJI_PROTOCOL_UDP = 1,
- AJI_PROTOCOL_SSLTCP = 2,
-};
-
-enum jingle_connect_type {
- AJI_CONNECT_STUN = 1,
- AJI_CONNECT_LOCAL = 2,
- AJI_CONNECT_RELAY = 3,
-};
-
-struct jingle_pvt {
- ast_mutex_t lock; /*!< Channel private lock */
- time_t laststun;
- struct jingle *parent; /*!< Parent client */
- char sid[100];
- char from[100];
- char ring[10]; /*!< Message ID of ring */
- iksrule *ringrule; /*!< Rule for matching RING request */
- int initiator; /*!< If we're the initiator */
- int alreadygone;
- int capability;
- struct ast_codec_pref prefs;
- struct jingle_candidate *theircandidates;
- struct jingle_candidate *ourcandidates;
- char cid_num[80]; /*!< Caller ID num */
- char cid_name[80]; /*!< Caller ID name */
- char exten[80]; /*!< Called extension */
- struct ast_channel *owner; /*!< Master Channel */
- struct ast_rtp *rtp; /*!< RTP audio session */
- struct ast_rtp *vrtp; /*!< RTP video session */
- int jointcapability; /*!< Supported capability at both ends (codecs ) */
- int peercapability;
- struct jingle_pvt *next; /* Next entity */
-};
-
-struct jingle_candidate {
- char name[100];
- enum jingle_protocol protocol;
- double preference;
- char username[100];
- char password[100];
- enum jingle_connect_type type;
- char network[6];
- int generation;
- char ip[16];
- int port;
- int receipt;
- struct jingle_candidate *next;
-};
-
-struct jingle {
- ASTOBJ_COMPONENTS(struct jingle);
- struct aji_client *connection;
- struct aji_buddy *buddy;
- struct jingle_pvt *p;
- struct ast_codec_pref prefs;
- int amaflags; /*!< AMA Flags */
- char user[100];
- char context[100];
- char accountcode[AST_MAX_ACCOUNT_CODE]; /*!< Account code */
- int capability;
- ast_group_t callgroup; /*!< Call group */
- ast_group_t pickupgroup; /*!< Pickup group */
- int callingpres; /*!< Calling presentation */
- int allowguest;
- char language[MAX_LANGUAGE]; /*!< Default language for prompts */
- char musicclass[MAX_MUSICCLASS]; /*!< Music on Hold class */
-};
-
-struct jingle_container {
- ASTOBJ_CONTAINER_COMPONENTS(struct jingle);
-};
-
-static const char desc[] = "Jingle Channel";
-static const char type[] = "Jingle";
-
-static int usecnt = 0;
-AST_MUTEX_DEFINE_STATIC(usecnt_lock);
-
-static int global_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM | AST_FORMAT_H263;
-
-AST_MUTEX_DEFINE_STATIC(jinglelock); /*!< Protect the interface list (of jingle_pvt's) */
-
-/* Forward declarations */
-static struct ast_channel *jingle_request(const char *type, int format, void *data, int *cause);
-static int jingle_digit_begin(struct ast_channel *ast, char digit);
-static int jingle_digit_end(struct ast_channel *ast, char digit);
-static int jingle_call(struct ast_channel *ast, char *dest, int timeout);
-static int jingle_hangup(struct ast_channel *ast);
-static int jingle_answer(struct ast_channel *ast);
-static int jingle_newcall(struct jingle *client, ikspak *pak);
-static struct ast_frame *jingle_read(struct ast_channel *ast);
-static int jingle_write(struct ast_channel *ast, struct ast_frame *f);
-static int jingle_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen);
-static int jingle_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
-static int jingle_sendhtml(struct ast_channel *ast, int subclass, const char *data, int datalen);
-static struct jingle_pvt *jingle_alloc(struct jingle *client, const char *from, const char *sid);
-/*----- RTP interface functions */
-static int jingle_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp,
- struct ast_rtp *vrtp, int codecs, int nat_active);
-static enum ast_rtp_get_result jingle_get_rtp_peer(struct ast_channel *chan, struct ast_rtp **rtp);
-static int jingle_get_codec(struct ast_channel *chan);
-
-/*! \brief PBX interface structure for channel registration */
-static const struct ast_channel_tech jingle_tech = {
- .type = type,
- .description = "Jingle Channel Driver",
- .capabilities = ((AST_FORMAT_MAX_AUDIO << 1) - 1),
- .requester = jingle_request,
- .send_digit_begin = jingle_digit_begin,
- .send_digit_end = jingle_digit_end,
- .bridge = ast_rtp_bridge,
- .call = jingle_call,
- .hangup = jingle_hangup,
- .answer = jingle_answer,
- .read = jingle_read,
- .write = jingle_write,
- .exception = jingle_read,
- .indicate = jingle_indicate,
- .fixup = jingle_fixup,
- .send_html = jingle_sendhtml,
- .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER
-};
-
-static struct sockaddr_in bindaddr = { 0, }; /*!< The address we bind to */
-
-static struct sched_context *sched; /*!< The scheduling context */
-static struct io_context *io; /*!< The IO context */
-static struct in_addr __ourip;
-
-
-/*! \brief RTP driver interface */
-static struct ast_rtp_protocol jingle_rtp = {
- type: "jingle",
- get_rtp_info: jingle_get_rtp_peer,
- set_rtp_peer: jingle_set_rtp_peer,
- get_codec: jingle_get_codec,
-};
-
-static char externip[16];
-
-static struct jingle_container jingles;
-
-static void jingle_member_destroy(struct jingle *obj)
-{
- free(obj);
-}
-
-static struct jingle *find_jingle(char *name, char *connection)
-{
- struct jingle *jingle = NULL;
-
- jingle = ASTOBJ_CONTAINER_FIND(&jingles, name);
- if (!jingle && strchr(name, '@'))
- jingle = ASTOBJ_CONTAINER_FIND_FULL(&jingles, name, user,,, strcasecmp);
-
- if (!jingle) { /* guest call */
- ASTOBJ_CONTAINER_TRAVERSE(&jingles, 1, {
- ASTOBJ_WRLOCK(iterator);
- if (!strcasecmp(iterator->name, "guest")) {
- if (!strcasecmp(iterator->connection->jid->partial, connection)) {
- jingle = iterator;
- break;
- } else if (!strcasecmp(iterator->connection->name, connection)) {
- jingle = iterator;
- break;
- }
- }
- ASTOBJ_UNLOCK(iterator);
- });
-
- }
- return jingle;
-}
-
-
-static void add_codec_to_answer(const struct jingle_pvt *p, int codec, iks *dcodecs)
-{
- char *format = ast_getformatname(codec);
-
- if (!strcasecmp("ulaw", format)) {
- iks *payload_eg711u, *payload_pcmu;
- payload_pcmu = iks_new("payload-type");
- iks_insert_attrib(payload_pcmu, "id", "0");
- iks_insert_attrib(payload_pcmu, "name", "PCMU");
- iks_insert_attrib(payload_pcmu, "xmlns", "http://www.google.com/session/phone");
- payload_eg711u = iks_new("payload-type");
- iks_insert_attrib(payload_eg711u, "id", "100");
- iks_insert_attrib(payload_eg711u, "name", "EG711U");
- iks_insert_attrib(payload_eg711u, "xmlns", "http://www.google.com/session/phone");
- iks_insert_node(dcodecs, payload_pcmu);
- iks_insert_node(dcodecs, payload_eg711u);
- }
- if (!strcasecmp("alaw", format)) {
- iks *payload_eg711a;
- iks *payload_pcma = iks_new("payload-type");
- iks_insert_attrib(payload_pcma, "id", "8");
- iks_insert_attrib(payload_pcma, "name", "PCMA");
- iks_insert_attrib(payload_pcma, "xmlns", "http://www.google.com/session/phone");
- payload_eg711a = iks_new("payload-type");
- iks_insert_attrib(payload_eg711a, "id", "101");
- iks_insert_attrib(payload_eg711a, "name", "EG711A");
- iks_insert_attrib(payload_eg711a, "xmlns", "http://www.google.com/session/phone");
- iks_insert_node(dcodecs, payload_pcma);
- iks_insert_node(dcodecs, payload_eg711a);
- }
- if (!strcasecmp("ilbc", format)) {
- iks *payload_ilbc = iks_new("payload-type");
- iks_insert_attrib(payload_ilbc, "id", "102");
- iks_insert_attrib(payload_ilbc, "name", "iLBC");
- iks_insert_attrib(payload_ilbc, "xmlns", "http://www.google.com/session/phone");
- iks_insert_node(dcodecs, payload_ilbc);
- }
- if (!strcasecmp("g723", format)) {
- iks *payload_g723 = iks_new("payload-type");
- iks_insert_attrib(payload_g723, "id", "4");
- iks_insert_attrib(payload_g723, "name", "G723");
- iks_insert_attrib(payload_g723, "xmlns", "http://www.google.com/session/phone");
- iks_insert_node(dcodecs, payload_g723);
- }
- ast_rtp_lookup_code(p->rtp, 1, codec);
-}
-
-static int jingle_accept_call(struct jingle *client, struct jingle_pvt *p)
-{
- struct jingle_pvt *tmp = client->p;
- struct aji_client *c = client->connection;
- iks *iq, *jingle, *dcodecs, *payload_red, *payload_audio, *payload_cn;
- int x;
- int pref_codec = 0;
- int alreadysent = 0;
-
- if (p->initiator)
- return 1;
-
- iq = iks_new("iq");
- jingle = iks_new(GOOGLE_NODE);
- dcodecs = iks_new("description");
- if (iq && jingle && dcodecs) {
- iks_insert_attrib(dcodecs, "xmlns", "http://www.google.com/session/phone");
-
- for (x = 0; x < 32; x++) {
- if (!(pref_codec = ast_codec_pref_index(&client->prefs, x)))
- break;
- if (!(client->capability & pref_codec))
- continue;
- if (alreadysent & pref_codec)
- continue;
- if (pref_codec <= AST_FORMAT_MAX_AUDIO)
- add_codec_to_answer(p, pref_codec, dcodecs);
- else
- add_codec_to_answer(p, pref_codec, dcodecs);
- alreadysent |= pref_codec;
- }
- payload_red = iks_new("payload-type");
- iks_insert_attrib(payload_red, "id", "117");
- iks_insert_attrib(payload_red, "name", "red");
- iks_insert_attrib(payload_red, "xmlns", "http://www.google.com/session/phone");
- payload_audio = iks_new("payload-type");
- iks_insert_attrib(payload_audio, "id", "106");
- iks_insert_attrib(payload_audio, "name", "audio/telephone-event");
- iks_insert_attrib(payload_audio, "xmlns", "http://www.google.com/session/phone");
- payload_cn = iks_new("payload-type");
- iks_insert_attrib(payload_cn, "id", "13");
- iks_insert_attrib(payload_cn, "name", "CN");
- iks_insert_attrib(payload_cn, "xmlns", "http://www.google.com/session/phone");
-
-
- iks_insert_attrib(iq, "type", "set");
- iks_insert_attrib(iq, "to", (p->from) ? p->from : client->user);
- iks_insert_attrib(iq, "id", client->connection->mid);
- ast_aji_increment_mid(client->connection->mid);
-
- iks_insert_attrib(jingle, "xmlns", "http://www.google.com/session");
- iks_insert_attrib(jingle, "type", JINGLE_ACCEPT);
- iks_insert_attrib(jingle, "initiator",
- p->initiator ? client->connection->jid->full : p->from);
- iks_insert_attrib(jingle, GOOGLE_SID, tmp->sid);
- iks_insert_node(iq, jingle);
- iks_insert_node(jingle, dcodecs);
- iks_insert_node(dcodecs, payload_red);
- iks_insert_node(dcodecs, payload_audio);
- iks_insert_node(dcodecs, payload_cn);
-
- iks_send(c->p, iq);
- iks_delete(payload_red);
- iks_delete(payload_audio);
- iks_delete(payload_cn);
- iks_delete(dcodecs);
- iks_delete(jingle);
- iks_delete(iq);
- }
- return 1;
-}
-
-static int jingle_ringing_ack(void *data, ikspak *pak)
-{
- struct jingle_pvt *p = data;
-
- if (p->ringrule)
- iks_filter_remove_rule(p->parent->connection->f, p->ringrule);
- p->ringrule = NULL;
- if (p->owner)
- ast_queue_control(p->owner, AST_CONTROL_RINGING);
- return IKS_FILTER_EAT;
-}
-
-static int jingle_answer(struct ast_channel *ast)
-{
- struct jingle_pvt *p = ast->tech_pvt;
- struct jingle *client = p->parent;
- int res = 0;
-
- if (option_debug)
- ast_log(LOG_DEBUG, "Answer!\n");
- ast_mutex_lock(&p->lock);
- jingle_accept_call(client, p);
- ast_mutex_unlock(&p->lock);
- return res;
-}
-
-static enum ast_rtp_get_result jingle_get_rtp_peer(struct ast_channel *chan, struct ast_rtp **rtp)
-{
- struct jingle_pvt *p = chan->tech_pvt;
- enum ast_rtp_get_result res = AST_RTP_GET_FAILED;
-
- if (!p)
- return res;
-
- ast_mutex_lock(&p->lock);
- if (p->rtp) {
- *rtp = p->rtp;
- res = AST_RTP_TRY_NATIVE;
- }
- ast_mutex_unlock(&p->lock);
-
- return res;
-}
-
-static int jingle_get_codec(struct ast_channel *chan)
-{
- struct jingle_pvt *p = chan->tech_pvt;
- return p->peercapability;
-}
-
-static int jingle_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp, struct ast_rtp *vrtp, int codecs, int nat_active)
-{
- struct jingle_pvt *p;
-
- p = chan->tech_pvt;
- if (!p)
- return -1;
- ast_mutex_lock(&p->lock);
-
-/* if (rtp)
- ast_rtp_get_peer(rtp, &p->redirip);
- else
- memset(&p->redirip, 0, sizeof(p->redirip));
- p->redircodecs = codecs; */
-
- /* Reset lastrtprx timer */
- ast_mutex_unlock(&p->lock);
- return 0;
-}
-
-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);
- }
- }
- 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);
- /* Make sure our new call doesn't exist yet */
- for (tmp = client->p; tmp; tmp = tmp->next) {
- if (iks_find_with_attrib(pak->x, GOOGLE_NODE, GOOGLE_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;
- 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, GOOGLE_NODE, GOOGLE_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://jabber.org/protocol/jingle/info/dtmf#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 = dtmf[0];
- ast_queue_frame(tmp->owner, &f);
- ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass);
- } else if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-down")) {
- struct ast_frame f = {AST_FRAME_DTMF_END, };
- f.subclass = dtmf[0];
- ast_queue_frame(tmp->owner, &f);
- ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass);
- } else if(iks_find_attrib(pak->x, "dtmf")) { /* 250 millasecond default */
- struct ast_frame f = {AST_FRAME_DTMF, };
- f.subclass = dtmf[0];
- ast_queue_frame(tmp->owner, &f);
- ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass);
- }
- }
- }
- 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_log(LOG_DEBUG, "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, GOOGLE_NODE, GOOGLE_SID, tmp->sid))
- break;
- }
-
- 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, 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");
- if (!iq || !jingle || !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, 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_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_copy_string(ours1->ip, ast_inet_ntoa(us), sizeof(ours1->ip));
- 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;
-
-
- for (tmp = p->ourcandidates; tmp; tmp = tmp->next) {
- 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);
- }
- 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];
-
- if (option_debug)
- 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));
- ast_set_callerid(tmp, i->cid_num, i->cid_name, i->cid_num);
- 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 (i->rtp)
- ast_jb_configure(tmp, &global_jbconf);
- 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;
- }
-
- 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", NULL);
- 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"), 0);
- 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", 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, 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 = ast_calloc(1, sizeof(*newcandidate));
- if (!newcandidate)
- return 0;
- for (tmp = client->p; tmp; tmp = tmp->next) {
- if (iks_find_with_attrib(pak->x, GOOGLE_NODE, GOOGLE_SID, tmp->sid)) {
- p = tmp;
- break;
- }
- }
-
- 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 = ast_calloc(1, sizeof(*newcandidate));
- if (!newcandidate)
- return 0;
- 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)
-{
- 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);
- res = -1;
- }
-
- return res;
-}
-
-static int jingle_digit_begin(struct ast_channel *chan, char digit)
-{
- /* XXX Does jingle have a concept of the length of a dtmf digit ? */
- return 0;
-}
-
-static int jingle_digit_end(struct ast_channel *ast, char digit)
-{
- struct jingle_pvt *p = ast->tech_pvt;
- 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) {
- if(iq)
- iks_delete(iq);
- if(jingle)
- iks_delete(jingle);
- if(dtmf)
- 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->from);
- 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", "http://jabber.org/protocol/jingle");
- iks_insert_attrib(jingle, "action", "content-info");
- iks_insert_attrib(jingle, "initiator", p->initiator ? client->connection->jid->full : p->from);
- iks_insert_attrib(jingle, "sid", p->sid);
- iks_insert_attrib(dtmf, "xmlns", "http://jabber.org/protocol/jingle/info/dtmf");
- iks_insert_attrib(dtmf, "code", buffer);
- iks_insert_node(iq, jingle);
- iks_insert_node(jingle, dtmf);
-
- ast_mutex_lock(&p->lock);
- if(ast->dtmff.frametype == AST_FRAME_DTMF) {
- ast_verbose("Sending 250ms dtmf!\n");
- } else if (ast->dtmff.frametype == AST_FRAME_DTMF_BEGIN) {
- iks_insert_attrib(dtmf, "action", "button-down");
- } else if (ast->dtmff.frametype == AST_FRAME_DTMF_END) {
- iks_insert_attrib(dtmf, "action", "button-up");
- }
- iks_send(client->connection->p, iq);
- iks_delete(iq);
- iks_delete(jingle);
- iks_delete(dtmf);
- ast_mutex_unlock(&p->lock);
- return 0;
-}
-
-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 in Jingle Dialstring: %s\n", (char*) data);
- if (s)
- free(s);
- return NULL;
- }
- }
- }
- client = find_jingle(to, sender);
- if (!client) {
- ast_log(LOG_WARNING, "Could not find recipient.\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)) {
- if (option_debug > 2)
- ast_log(LOG_DEBUG, "About to add candidate!\n");
- jingle_add_candidate(client, pak);
- if (option_debug > 2)
- 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", "content-info")) {
- jingle_handle_dtmf(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://jabber.org/protocol/jingle",
- 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)
- 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));
-/* 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 = (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));
-/* 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);
- member->connection = iterator;
- iks_filter_add_rule(iterator->f, jingle_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS,
- "http://jabber.org/protocol/jingle", 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 {
- ASTOBJ_UNLOCK(member);
- if (jingle_create_member(cat, var, allowguest, prefs, context, member))
- ASTOBJ_CONTAINER_LINK(&jingles, 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)
-{
- ASTOBJ_CONTAINER_INIT(&jingles);
- 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 = 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)
-{
- return 0;
-}
-
-/*! \brief Unload the jingle channel from Asterisk */
-static int unload_module(void)
-{
- 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;
-}
-
-AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Jingle Channel Driver",
- .load = load_module,
- .unload = unload_module,
- .reload = reload,
- );
projects / thirdparty / asterisk.git / commitdiff
