channels/chan_jingle.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 1999 - 2005, Digium, Inc.
   5  *
   6  * Matt O'Gorman <mogorman@digium.com>
   7  *
   8  * See http://www.asterisk.org for more information about
   9  * the Asterisk project. Please do not directly contact
  10  * any of the maintainers of this project for assistance;
  11  * the project provides a web site, mailing lists and IRC
  12  * channels for your use.
  13  *
  14  * This program is free software, distributed under the terms of
  15  * the GNU General Public License Version 2. See the LICENSE file
  16  * at the top of the source tree.
  17  */
  18
  19 /*! \file
  20  *
  21  * \author Matt O'Gorman <mogorman@digium.com>
  22  *
  23  * \brief Jingle Channel Driver
  24  *
  25  * \extref Iksemel http://iksemel.jabberstudio.org/
  26  *
  27  * \ingroup channel_drivers
  28  */
  29
  30 /*** MODULEINFO
  31         <depend>iksemel</depend>
  32         <depend>res_jabber</depend>
  33         <use>openssl</use>
  34  ***/
  35
  36 #include "asterisk.h"
  37
  38 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  39
  40 #include <sys/socket.h>
  41 #include <fcntl.h>
  42 #include <netdb.h>
  43 #include <netinet/in.h>
  44 #include <arpa/inet.h>
  45 #include <sys/signal.h>
  46 #include <iksemel.h>
  47 #include <pthread.h>
  48
  49 #include "asterisk/lock.h"
  50 #include "asterisk/channel.h"
  51 #include "asterisk/config.h"
  52 #include "asterisk/module.h"
  53 #include "asterisk/pbx.h"
  54 #include "asterisk/sched.h"
  55 #include "asterisk/io.h"
  56 #include "asterisk/rtp.h"
  57 #include "asterisk/acl.h"
  58 #include "asterisk/callerid.h"
  59 #include "asterisk/file.h"
  60 #include "asterisk/cli.h"
  61 #include "asterisk/app.h"
  62 #include "asterisk/musiconhold.h"
  63 #include "asterisk/manager.h"
  64 #include "asterisk/stringfields.h"
  65 #include "asterisk/utils.h"
  66 #include "asterisk/causes.h"
  67 #include "asterisk/astobj.h"
  68 #include "asterisk/abstract_jb.h"
  69 #include "asterisk/jabber.h"
  70 #include "asterisk/jingle.h"
  71
  72 #define JINGLE_CONFIG "jingle.conf"
  73
  74 /*! Global jitterbuffer configuration - by default, jb is disabled */
  75 static struct ast_jb_conf default_jbconf =
  76 {
  77         .flags = 0,
  78         .max_size = -1,
  79         .resync_threshold = -1,
  80         .impl = ""
  81 };
  82 static struct ast_jb_conf global_jbconf;
  83
  84 enum jingle_protocol {
  85         AJI_PROTOCOL_UDP,
  86         AJI_PROTOCOL_SSLTCP,
  87 };
  88
  89 enum jingle_connect_type {
  90         AJI_CONNECT_HOST,
  91         AJI_CONNECT_PRFLX,
  92         AJI_CONNECT_RELAY,
  93         AJI_CONNECT_SRFLX,
  94 };
  95
  96 struct jingle_pvt {
  97         ast_mutex_t lock;                /*!< Channel private lock */
  98         time_t laststun;
  99         struct jingle *parent;           /*!< Parent client */
 100         char sid[100];
 101         char them[AJI_MAX_JIDLEN];
 102         char ring[10];                   /*!< Message ID of ring */
 103         iksrule *ringrule;               /*!< Rule for matching RING request */
 104         int initiator;                   /*!< If we're the initiator */
 105         int alreadygone;
 106         int capability;
 107         struct ast_codec_pref prefs;
 108         struct jingle_candidate *theircandidates;
 109         struct jingle_candidate *ourcandidates;
 110         char cid_num[80];                /*!< Caller ID num */
 111         char cid_name[80];               /*!< Caller ID name */
 112         char exten[80];                  /*!< Called extension */
 113         struct ast_channel *owner;       /*!< Master Channel */
 114         char audio_content_name[100];    /*!< name attribute of content tag */
 115         struct ast_rtp *rtp;             /*!< RTP audio session */
 116         char video_content_name[100];    /*!< name attribute of content tag */
 117         struct ast_rtp *vrtp;            /*!< RTP video session */
 118         int jointcapability;             /*!< Supported capability at both ends (codecs ) */
 119         int peercapability;
 120         struct jingle_pvt *next;        /* Next entity */
 121 };
 122
 123 struct jingle_candidate {
 124         unsigned int component;          /*!< ex. : 1 for RTP, 2 for RTCP */
 125         unsigned int foundation;         /*!< Function of IP, protocol, type */
 126         unsigned int generation;
 127         char ip[16];
 128         unsigned int network;
 129         unsigned int port;
 130         unsigned int priority;
 131         enum jingle_protocol protocol;
 132         char password[100];
 133         enum jingle_connect_type type;
 134         char ufrag[100];
 135         unsigned int preference;
 136         struct jingle_candidate *next;
 137 };
 138
 139 struct jingle {
 140         ASTOBJ_COMPONENTS(struct jingle);
 141         struct aji_client *connection;
 142         struct aji_buddy *buddy;
 143         struct jingle_pvt *p;
 144         struct ast_codec_pref prefs;
 145         int amaflags;                   /*!< AMA Flags */
 146         char user[100];
 147         char context[100];
 148         char accountcode[AST_MAX_ACCOUNT_CODE]; /*!< Account code */
 149         int capability;
 150         ast_group_t callgroup;  /*!< Call group */
 151         ast_group_t pickupgroup;        /*!< Pickup group */
 152         int callingpres;                /*!< Calling presentation */
 153         int allowguest;
 154         char language[MAX_LANGUAGE];    /*!<  Default language for prompts */
 155         char musicclass[MAX_MUSICCLASS];        /*!<  Music on Hold class */
 156         char parkinglot[AST_MAX_CONTEXT];   /*!< Parkinglot */
 157 };
 158
 159 struct jingle_container {
 160         ASTOBJ_CONTAINER_COMPONENTS(struct jingle);
 161 };
 162
 163 static const char desc[] = "Jingle Channel";
 164 static const char type[] = "Jingle";
 165
 166 static int global_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM | AST_FORMAT_H263;
 167
 168 AST_MUTEX_DEFINE_STATIC(jinglelock); /*!< Protect the interface list (of jingle_pvt's) */
 169
 170 /* Forward declarations */
 171 static struct ast_channel *jingle_request(const char *type, int format, void *data, int *cause);
 172 static int jingle_digit_begin(struct ast_channel *ast, char digit);
 173 static int jingle_digit_end(struct ast_channel *ast, char digit, unsigned int duration);
 174 static int jingle_call(struct ast_channel *ast, char *dest, int timeout);
 175 static int jingle_hangup(struct ast_channel *ast);
 176 static int jingle_answer(struct ast_channel *ast);
 177 static int jingle_newcall(struct jingle *client, ikspak *pak);
 178 static struct ast_frame *jingle_read(struct ast_channel *ast);
 179 static int jingle_write(struct ast_channel *ast, struct ast_frame *f);
 180 static int jingle_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen);
 181 static int jingle_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
 182 static int jingle_sendhtml(struct ast_channel *ast, int subclass, const char *data, int datalen);
 183 static struct jingle_pvt *jingle_alloc(struct jingle *client, const char *from, const char *sid);
 184 static char *jingle_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
 185 static char *jingle_do_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
 186 /*----- RTP interface functions */
 187 static int jingle_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp,
 188                                                            struct ast_rtp *vrtp, struct ast_rtp *tpeer, int codecs, int nat_active);
 189 static enum ast_rtp_get_result jingle_get_rtp_peer(struct ast_channel *chan, struct ast_rtp **rtp);
 190 static int jingle_get_codec(struct ast_channel *chan);
 191
 192 /*! \brief PBX interface structure for channel registration */
 193 static const struct ast_channel_tech jingle_tech = {
 194         .type = "Jingle",
 195         .description = "Jingle Channel Driver",
 196         .capabilities = AST_FORMAT_AUDIO_MASK,
 197         .requester = jingle_request,
 198         .send_digit_begin = jingle_digit_begin,
 199         .send_digit_end = jingle_digit_end,
 200         .bridge = ast_rtp_bridge,
 201         .call = jingle_call,
 202         .hangup = jingle_hangup,
 203         .answer = jingle_answer,
 204         .read = jingle_read,
 205         .write = jingle_write,
 206         .exception = jingle_read,
 207         .indicate = jingle_indicate,
 208         .fixup = jingle_fixup,
 209         .send_html = jingle_sendhtml,
 210         .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER
 211 };
 212
 213 static struct sockaddr_in bindaddr = { 0, };    /*!< The address we bind to */
 214
 215 static struct sched_context *sched;     /*!< The scheduling context */
 216 static struct io_context *io;   /*!< The IO context */
 217 static struct in_addr __ourip;
 218
 219
 220 /*! \brief RTP driver interface */
 221 static struct ast_rtp_protocol jingle_rtp = {
 222         type: "Jingle",
 223         get_rtp_info: jingle_get_rtp_peer,
 224         set_rtp_peer: jingle_set_rtp_peer,
 225         get_codec: jingle_get_codec,
 226 };
 227
 228 static struct ast_cli_entry jingle_cli[] = {
 229         AST_CLI_DEFINE(jingle_do_reload, "Reload Jingle configuration"),
 230         AST_CLI_DEFINE(jingle_show_channels, "Show Jingle channels"),
 231 };
 232
 233
 234 static char externip[16];
 235
 236 static struct jingle_container jingle_list;
 237
 238 static void jingle_member_destroy(struct jingle *obj)
 239 {
 240         ast_free(obj);
 241 }
 242
 243 static struct jingle *find_jingle(char *name, char *connection)
 244 {
 245         struct jingle *jingle = NULL;
 246
 247         jingle = ASTOBJ_CONTAINER_FIND(&jingle_list, name);
 248         if (!jingle && strchr(name, '@'))
 249                 jingle = ASTOBJ_CONTAINER_FIND_FULL(&jingle_list, name, user,,, strcasecmp);
 250
 251         if (!jingle) {
 252                 /* guest call */
 253                 ASTOBJ_CONTAINER_TRAVERSE(&jingle_list, 1, {
 254                         ASTOBJ_RDLOCK(iterator);
 255                         if (!strcasecmp(iterator->name, "guest")) {
 256                                 jingle = iterator;
 257                         }
 258                         ASTOBJ_UNLOCK(iterator);
 259
 260                         if (jingle)
 261                                 break;
 262                 });
 263
 264         }
 265         return jingle;
 266 }
 267
 268
 269 static void add_codec_to_answer(const struct jingle_pvt *p, int codec, iks *dcodecs)
 270 {
 271         char *format = ast_getformatname(codec);
 272
 273         if (!strcasecmp("ulaw", format)) {
 274                 iks *payload_eg711u, *payload_pcmu;
 275                 payload_pcmu = iks_new("payload-type");
 276                 iks_insert_attrib(payload_pcmu, "id", "0");
 277                 iks_insert_attrib(payload_pcmu, "name", "PCMU");
 278                 payload_eg711u = iks_new("payload-type");
 279                 iks_insert_attrib(payload_eg711u, "id", "100");
 280                 iks_insert_attrib(payload_eg711u, "name", "EG711U");
 281                 iks_insert_node(dcodecs, payload_pcmu);
 282                 iks_insert_node(dcodecs, payload_eg711u);
 283         }
 284         if (!strcasecmp("alaw", format)) {
 285                 iks *payload_eg711a;
 286                 iks *payload_pcma = iks_new("payload-type");
 287                 iks_insert_attrib(payload_pcma, "id", "8");
 288                 iks_insert_attrib(payload_pcma, "name", "PCMA");
 289                 payload_eg711a = iks_new("payload-type");
 290                 iks_insert_attrib(payload_eg711a, "id", "101");
 291                 iks_insert_attrib(payload_eg711a, "name", "EG711A");
 292                 iks_insert_node(dcodecs, payload_pcma);
 293                 iks_insert_node(dcodecs, payload_eg711a);
 294         }
 295         if (!strcasecmp("ilbc", format)) {
 296                 iks *payload_ilbc = iks_new("payload-type");
 297                 iks_insert_attrib(payload_ilbc, "id", "97");
 298                 iks_insert_attrib(payload_ilbc, "name", "iLBC");
 299                 iks_insert_node(dcodecs, payload_ilbc);
 300         }
 301         if (!strcasecmp("g723", format)) {
 302                 iks *payload_g723 = iks_new("payload-type");
 303                 iks_insert_attrib(payload_g723, "id", "4");
 304                 iks_insert_attrib(payload_g723, "name", "G723");
 305                 iks_insert_node(dcodecs, payload_g723);
 306         }
 307         ast_rtp_lookup_code(p->rtp, 1, codec);
 308 }
 309
 310 static int jingle_accept_call(struct jingle *client, struct jingle_pvt *p)
 311 {
 312         struct jingle_pvt *tmp = client->p;
 313         struct aji_client *c = client->connection;
 314         iks *iq, *jingle, *dcodecs, *payload_red, *payload_audio, *payload_cn;
 315         int x;
 316         int pref_codec = 0;
 317         int alreadysent = 0;
 318
 319         if (p->initiator)
 320                 return 1;
 321
 322         iq = iks_new("iq");
 323         jingle = iks_new(JINGLE_NODE);
 324         dcodecs = iks_new("description");
 325         if (iq && jingle && dcodecs) {
 326                 iks_insert_attrib(dcodecs, "xmlns", JINGLE_AUDIO_RTP_NS);
 327
 328                 for (x = 0; x < 32; x++) {
 329                         if (!(pref_codec = ast_codec_pref_index(&client->prefs, x)))
 330                                 break;
 331                         if (!(client->capability & pref_codec))
 332                                 continue;
 333                         if (alreadysent & pref_codec)
 334                                 continue;
 335                         add_codec_to_answer(p, pref_codec, dcodecs);
 336                         alreadysent |= pref_codec;
 337                 }
 338                 payload_red = iks_new("payload-type");
 339                 iks_insert_attrib(payload_red, "id", "117");
 340                 iks_insert_attrib(payload_red, "name", "red");
 341                 payload_audio = iks_new("payload-type");
 342                 iks_insert_attrib(payload_audio, "id", "106");
 343                 iks_insert_attrib(payload_audio, "name", "audio/telephone-event");
 344                 payload_cn = iks_new("payload-type");
 345                 iks_insert_attrib(payload_cn, "id", "13");
 346                 iks_insert_attrib(payload_cn, "name", "CN");
 347
 348
 349                 iks_insert_attrib(iq, "type", "set");
 350                 iks_insert_attrib(iq, "to", (p->them) ? p->them : client->user);
 351                 iks_insert_attrib(iq, "id", client->connection->mid);
 352                 ast_aji_increment_mid(client->connection->mid);
 353
 354                 iks_insert_attrib(jingle, "xmlns", JINGLE_NS);
 355                 iks_insert_attrib(jingle, "action", JINGLE_ACCEPT);
 356                 iks_insert_attrib(jingle, "initiator", p->initiator ? client->connection->jid->full : p->them);
 357                 iks_insert_attrib(jingle, JINGLE_SID, tmp->sid);
 358                 iks_insert_node(iq, jingle);
 359                 iks_insert_node(jingle, dcodecs);
 360                 iks_insert_node(dcodecs, payload_red);
 361                 iks_insert_node(dcodecs, payload_audio);
 362                 iks_insert_node(dcodecs, payload_cn);
 363
 364                 ast_aji_send(c, iq);
 365
 366                 iks_delete(payload_red);
 367                 iks_delete(payload_audio);
 368                 iks_delete(payload_cn);
 369                 iks_delete(dcodecs);
 370                 iks_delete(jingle);
 371                 iks_delete(iq);
 372         }
 373         return 1;
 374 }
 375
 376 static int jingle_ringing_ack(void *data, ikspak *pak)
 377 {
 378         struct jingle_pvt *p = data;
 379
 380         if (p->ringrule)
 381                 iks_filter_remove_rule(p->parent->connection->f, p->ringrule);
 382         p->ringrule = NULL;
 383         if (p->owner)
 384                 ast_queue_control(p->owner, AST_CONTROL_RINGING);
 385         return IKS_FILTER_EAT;
 386 }
 387
 388 static int jingle_answer(struct ast_channel *ast)
 389 {
 390         struct jingle_pvt *p = ast->tech_pvt;
 391         struct jingle *client = p->parent;
 392         int res = 0;
 393
 394         ast_debug(1, "Answer!\n");
 395         ast_mutex_lock(&p->lock);
 396         jingle_accept_call(client, p);
 397         ast_mutex_unlock(&p->lock);
 398         return res;
 399 }
 400
 401 static enum ast_rtp_get_result jingle_get_rtp_peer(struct ast_channel *chan, struct ast_rtp **rtp)
 402 {
 403         struct jingle_pvt *p = chan->tech_pvt;
 404         enum ast_rtp_get_result res = AST_RTP_GET_FAILED;
 405
 406         if (!p)
 407                 return res;
 408
 409         ast_mutex_lock(&p->lock);
 410         if (p->rtp) {
 411                 *rtp = p->rtp;
 412                 res = AST_RTP_TRY_PARTIAL;
 413         }
 414         ast_mutex_unlock(&p->lock);
 415
 416         return res;
 417 }
 418
 419 static int jingle_get_codec(struct ast_channel *chan)
 420 {
 421         struct jingle_pvt *p = chan->tech_pvt;
 422         return p->peercapability;
 423 }
 424
 425 static int jingle_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp, struct ast_rtp *vrtp, struct ast_rtp *tpeer, int codecs, int nat_active)
 426 {
 427         struct jingle_pvt *p;
 428
 429         p = chan->tech_pvt;
 430         if (!p)
 431                 return -1;
 432         ast_mutex_lock(&p->lock);
 433
 434 /*      if (rtp)
 435                 ast_rtp_get_peer(rtp, &p->redirip);
 436         else
 437                 memset(&p->redirip, 0, sizeof(p->redirip));
 438         p->redircodecs = codecs; */
 439
 440         /* Reset lastrtprx timer */
 441         ast_mutex_unlock(&p->lock);
 442         return 0;
 443 }
 444
 445 static int jingle_response(struct jingle *client, ikspak *pak, const char *reasonstr, const char *reasonstr2)
 446 {
 447         iks *response = NULL, *error = NULL, *reason = NULL;
 448         int res = -1;
 449
 450         response = iks_new("iq");
 451         if (response) {
 452                 iks_insert_attrib(response, "type", "result");
 453                 iks_insert_attrib(response, "from", client->connection->jid->full);
 454                 iks_insert_attrib(response, "to", iks_find_attrib(pak->x, "from"));
 455                 iks_insert_attrib(response, "id", iks_find_attrib(pak->x, "id"));
 456                 if (reasonstr) {
 457                         error = iks_new("error");
 458                         if (error) {
 459                                 iks_insert_attrib(error, "type", "cancel");
 460                                 reason = iks_new(reasonstr);
 461                                 if (reason)
 462                                         iks_insert_node(error, reason);
 463                                 iks_insert_node(response, error);
 464                         }
 465                 }
 466                 ast_aji_send(client->connection, response);
 467                 res = 0;
 468         }
 469
 470         iks_delete(reason);
 471         iks_delete(error);
 472         iks_delete(response);
 473
 474         return res;
 475 }
 476
 477 static int jingle_is_answered(struct jingle *client, ikspak *pak)
 478 {
 479         struct jingle_pvt *tmp;
 480
 481         ast_debug(1, "The client is %s\n", client->name);
 482         /* Make sure our new call doesn't exist yet */
 483         for (tmp = client->p; tmp; tmp = tmp->next) {
 484                 if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid))
 485                         break;
 486         }
 487
 488         if (tmp) {
 489                 if (tmp->owner)
 490                         ast_queue_control(tmp->owner, AST_CONTROL_ANSWER);
 491         } else
 492                 ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
 493         jingle_response(client, pak, NULL, NULL);
 494         return 1;
 495 }
 496
 497 static int jingle_handle_dtmf(struct jingle *client, ikspak *pak)
 498 {
 499         struct jingle_pvt *tmp;
 500         iks *dtmfnode = NULL, *dtmfchild = NULL;
 501         char *dtmf;
 502         /* Make sure our new call doesn't exist yet */
 503         for (tmp = client->p; tmp; tmp = tmp->next) {
 504                 if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid))
 505                         break;
 506         }
 507
 508         if (tmp) {
 509                 if(iks_find_with_attrib(pak->x, "dtmf-method", "method", "rtp")) {
 510                         jingle_response(client,pak,
 511                                         "feature-not-implemented xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'",
 512                                         "unsupported-dtmf-method xmlns='http://www.xmpp.org/extensions/xep-0181.html#ns-errors'");
 513                         return -1;
 514                 }
 515                 if ((dtmfnode = iks_find(pak->x, "dtmf"))) {
 516                         if((dtmf = iks_find_attrib(dtmfnode, "code"))) {
 517                                 if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-up")) {
 518                                         struct ast_frame f = {AST_FRAME_DTMF_BEGIN, };
 519                                         f.subclass = dtmf[0];
 520                                         ast_queue_frame(tmp->owner, &f);
 521                                         ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass);
 522                                 } else if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-down")) {
 523                                         struct ast_frame f = {AST_FRAME_DTMF_END, };
 524                                         f.subclass = dtmf[0];
 525                                         ast_queue_frame(tmp->owner, &f);
 526                                         ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass);
 527                                 } else if(iks_find_attrib(pak->x, "dtmf")) { /* 250 millasecond default */
 528                                         struct ast_frame f = {AST_FRAME_DTMF, };
 529                                         f.subclass = dtmf[0];
 530                                         ast_queue_frame(tmp->owner, &f);
 531                                         ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass);
 532                                 }
 533                         }
 534                 } else if ((dtmfnode = iks_find_with_attrib(pak->x, JINGLE_NODE, "action", "session-info"))) {
 535                         if((dtmfchild = iks_find(dtmfnode, "dtmf"))) {
 536                                 if((dtmf = iks_find_attrib(dtmfchild, "code"))) {
 537                                         if(iks_find_with_attrib(dtmfnode, "dtmf", "action", "button-up")) {
 538                                                 struct ast_frame f = {AST_FRAME_DTMF_END, };
 539                                                 f.subclass = dtmf[0];
 540                                                 ast_queue_frame(tmp->owner, &f);
 541                                                 ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass);
 542                                         } else if(iks_find_with_attrib(dtmfnode, "dtmf", "action", "button-down")) {
 543                                                 struct ast_frame f = {AST_FRAME_DTMF_BEGIN, };
 544                                                 f.subclass = dtmf[0];
 545                                                 ast_queue_frame(tmp->owner, &f);
 546                                                 ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass);
 547                                         }
 548                                 }
 549                         }
 550                 }
 551                 jingle_response(client, pak, NULL, NULL);
 552                 return 1;
 553         } else
 554                 ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
 555
 556         jingle_response(client, pak, NULL, NULL);
 557         return 1;
 558 }
 559
 560
 561 static int jingle_hangup_farend(struct jingle *client, ikspak *pak)
 562 {
 563         struct jingle_pvt *tmp;
 564
 565         ast_debug(1, "The client is %s\n", client->name);
 566         /* Make sure our new call doesn't exist yet */
 567         for (tmp = client->p; tmp; tmp = tmp->next) {
 568                 if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid))
 569                         break;
 570         }
 571
 572         if (tmp) {
 573                 tmp->alreadygone = 1;
 574                 if (tmp->owner)
 575                         ast_queue_hangup(tmp->owner);
 576         } else
 577                 ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
 578         jingle_response(client, pak, NULL, NULL);
 579         return 1;
 580 }
 581
 582 static int jingle_create_candidates(struct jingle *client, struct jingle_pvt *p, char *sid, char *from)
 583 {
 584         struct jingle_candidate *tmp;
 585         struct aji_client *c = client->connection;
 586         struct jingle_candidate *ours1 = NULL, *ours2 = NULL;
 587         struct sockaddr_in sin;
 588         struct sockaddr_in dest;
 589         struct in_addr us;
 590         struct in_addr externaddr;
 591         iks *iq, *jingle, *content, *transport, *candidate;
 592         char component[16], foundation[16], generation[16], network[16], pass[16], port[7], priority[16], user[16];
 593
 594
 595         iq = iks_new("iq");
 596         jingle = iks_new(JINGLE_NODE);
 597         content = iks_new("content");
 598         transport = iks_new("transport");
 599         candidate = iks_new("candidate");
 600         if (!iq || !jingle || !content || !transport || !candidate) {
 601                 ast_log(LOG_ERROR, "Memory allocation error\n");
 602                 goto safeout;
 603         }
 604         ours1 = ast_calloc(1, sizeof(*ours1));
 605         ours2 = ast_calloc(1, sizeof(*ours2));
 606         if (!ours1 || !ours2)
 607                 goto safeout;
 608
 609         iks_insert_node(iq, jingle);
 610         iks_insert_node(jingle, content);
 611         iks_insert_node(content, transport);
 612         iks_insert_node(transport, candidate);
 613
 614         for (; p; p = p->next) {
 615                 if (!strcasecmp(p->sid, sid))
 616                         break;
 617         }
 618
 619         if (!p) {
 620                 ast_log(LOG_NOTICE, "No matching jingle session - SID %s!\n", sid);
 621                 goto safeout;
 622         }
 623
 624         ast_rtp_get_us(p->rtp, &sin);
 625         ast_find_ourip(&us, bindaddr);
 626
 627         /* Setup our first jingle candidate */
 628         ours1->component = 1;
 629         ours1->foundation = (unsigned int)bindaddr.sin_addr.s_addr | AJI_CONNECT_HOST | AJI_PROTOCOL_UDP;
 630         ours1->generation = 0;
 631         ast_copy_string(ours1->ip, ast_inet_ntoa(us), sizeof(ours1->ip));
 632         ours1->network = 0;
 633         ours1->port = ntohs(sin.sin_port);
 634         ours1->priority = 1678246398;
 635         ours1->protocol = AJI_PROTOCOL_UDP;
 636         snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random());
 637         ast_copy_string(ours1->password, pass, sizeof(ours1->password));
 638         ours1->type = AJI_CONNECT_HOST;
 639         snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random());
 640         ast_copy_string(ours1->ufrag, user, sizeof(ours1->ufrag));
 641         p->ourcandidates = ours1;
 642
 643         if (!ast_strlen_zero(externip)) {
 644                 /* XXX We should really stun for this one not just go with externip XXX */
 645                 if (inet_aton(externip, &externaddr))
 646                         ast_log(LOG_WARNING, "Invalid extern IP : %s\n", externip);
 647
 648                 ours2->component = 1;
 649                 ours2->foundation = (unsigned int)externaddr.s_addr | AJI_CONNECT_PRFLX | AJI_PROTOCOL_UDP;
 650                 ours2->generation = 0;
 651                 ast_copy_string(ours2->ip, externip, sizeof(ours2->ip));
 652                 ours2->network = 0;
 653                 ours2->port = ntohs(sin.sin_port);
 654                 ours2->priority = 1678246397;
 655                 ours2->protocol = AJI_PROTOCOL_UDP;
 656                 snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random());
 657                 ast_copy_string(ours2->password, pass, sizeof(ours2->password));
 658                 ours2->type = AJI_CONNECT_PRFLX;
 659
 660                 snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random());
 661                 ast_copy_string(ours2->ufrag, user, sizeof(ours2->ufrag));
 662                 ours1->next = ours2;
 663                 ours2 = NULL;
 664         }
 665         ours1 = NULL;
 666         dest.sin_addr = __ourip;
 667         dest.sin_port = sin.sin_port;
 668
 669
 670         for (tmp = p->ourcandidates; tmp; tmp = tmp->next) {
 671                 snprintf(component, sizeof(component), "%u", tmp->component);
 672                 snprintf(foundation, sizeof(foundation), "%u", tmp->foundation);
 673                 snprintf(generation, sizeof(generation), "%u", tmp->generation);
 674                 snprintf(network, sizeof(network), "%u", tmp->network);
 675                 snprintf(port, sizeof(port), "%u", tmp->port);
 676                 snprintf(priority, sizeof(priority), "%u", tmp->priority);
 677
 678                 iks_insert_attrib(iq, "from", c->jid->full);
 679                 iks_insert_attrib(iq, "to", from);
 680                 iks_insert_attrib(iq, "type", "set");
 681                 iks_insert_attrib(iq, "id", c->mid);
 682                 ast_aji_increment_mid(c->mid);
 683                 iks_insert_attrib(jingle, "action", JINGLE_NEGOTIATE);
 684                 iks_insert_attrib(jingle, JINGLE_SID, sid);
 685                 iks_insert_attrib(jingle, "initiator", (p->initiator) ? c->jid->full : from);
 686                 iks_insert_attrib(jingle, "xmlns", JINGLE_NS);
 687                 iks_insert_attrib(content, "creator", p->initiator ? "initiator" : "responder");
 688                 iks_insert_attrib(content, "name", "asterisk-audio-content");
 689                 iks_insert_attrib(transport, "xmlns", JINGLE_ICE_UDP_NS);
 690                 iks_insert_attrib(candidate, "component", component);
 691                 iks_insert_attrib(candidate, "foundation", foundation);
 692                 iks_insert_attrib(candidate, "generation", generation);
 693                 iks_insert_attrib(candidate, "ip", tmp->ip);
 694                 iks_insert_attrib(candidate, "network", network);
 695                 iks_insert_attrib(candidate, "port", port);
 696                 iks_insert_attrib(candidate, "priority", priority);
 697                 switch (tmp->protocol) {
 698                 case AJI_PROTOCOL_UDP:
 699                         iks_insert_attrib(candidate, "protocol", "udp");
 700                         break;
 701                 case AJI_PROTOCOL_SSLTCP:
 702                         iks_insert_attrib(candidate, "protocol", "ssltcp");
 703                         break;
 704                 }
 705                 iks_insert_attrib(candidate, "pwd", tmp->password);
 706                 switch (tmp->type) {
 707                 case AJI_CONNECT_HOST:
 708                         iks_insert_attrib(candidate, "type", "host");
 709                         break;
 710                 case AJI_CONNECT_PRFLX:
 711                         iks_insert_attrib(candidate, "type", "prflx");
 712                         break;
 713                 case AJI_CONNECT_RELAY:
 714                         iks_insert_attrib(candidate, "type", "relay");
 715                         break;
 716                 case AJI_CONNECT_SRFLX:
 717                         iks_insert_attrib(candidate, "type", "srflx");
 718                         break;
 719                 }
 720                 iks_insert_attrib(candidate, "ufrag", tmp->ufrag);
 721
 722                 ast_aji_send(c, iq);
 723         }
 724         p->laststun = 0;
 725
 726 safeout:
 727         if (ours1)
 728                 ast_free(ours1);
 729         if (ours2)
 730                 ast_free(ours2);
 731         iks_delete(iq);
 732         iks_delete(jingle);
 733         iks_delete(content);
 734         iks_delete(transport);
 735         iks_delete(candidate);
 736
 737         return 1;
 738 }
 739
 740 static struct jingle_pvt *jingle_alloc(struct jingle *client, const char *from, const char *sid)
 741 {
 742         struct jingle_pvt *tmp = NULL;
 743         struct aji_resource *resources = NULL;
 744         struct aji_buddy *buddy;
 745         char idroster[200];
 746
 747         ast_debug(1, "The client is %s for alloc\n", client->name);
 748         if (!sid && !strchr(from, '/')) {       /* I started call! */
 749                 if (!strcasecmp(client->name, "guest")) {
 750                         buddy = ASTOBJ_CONTAINER_FIND(&client->connection->buddies, from);
 751                         if (buddy)
 752                                 resources = buddy->resources;
 753                 } else if (client->buddy)
 754                         resources = client->buddy->resources;
 755                 while (resources) {
 756                         if (resources->cap->jingle) {
 757                                 break;
 758                         }
 759                         resources = resources->next;
 760                 }
 761                 if (resources)
 762                         snprintf(idroster, sizeof(idroster), "%s/%s", from, resources->resource);
 763                 else {
 764                         ast_log(LOG_ERROR, "no jingle capable clients to talk to.\n");
 765                         return NULL;
 766                 }
 767         }
 768         if (!(tmp = ast_calloc(1, sizeof(*tmp)))) {
 769                 return NULL;
 770         }
 771
 772         memcpy(&tmp->prefs, &client->prefs, sizeof(tmp->prefs));
 773
 774         if (sid) {
 775                 ast_copy_string(tmp->sid, sid, sizeof(tmp->sid));
 776                 ast_copy_string(tmp->them, from, sizeof(tmp->them));
 777         } else {
 778                 snprintf(tmp->sid, sizeof(tmp->sid), "%08lx%08lx", ast_random(), ast_random());
 779                 ast_copy_string(tmp->them, idroster, sizeof(tmp->them));
 780                 tmp->initiator = 1;
 781         }
 782         tmp->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
 783         tmp->parent = client;
 784         if (!tmp->rtp) {
 785                 ast_log(LOG_WARNING, "Out of RTP sessions?\n");
 786                 ast_free(tmp);
 787                 return NULL;
 788         }
 789         ast_copy_string(tmp->exten, "s", sizeof(tmp->exten));
 790         ast_mutex_init(&tmp->lock);
 791         ast_mutex_lock(&jinglelock);
 792         tmp->next = client->p;
 793         client->p = tmp;
 794         ast_mutex_unlock(&jinglelock);
 795         return tmp;
 796 }
 797
 798 /*! \brief Start new jingle channel */
 799 static struct ast_channel *jingle_new(struct jingle *client, struct jingle_pvt *i, int state, const char *title)
 800 {
 801         struct ast_channel *tmp;
 802         int fmt;
 803         int what;
 804         const char *str;
 805
 806         if (title)
 807                 str = title;
 808         else
 809                 str = i->them;
 810         tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, "", "", "", 0, "Jingle/%s-%04lx", str, ast_random() & 0xffff);
 811         if (!tmp) {
 812                 ast_log(LOG_WARNING, "Unable to allocate Jingle channel structure!\n");
 813                 return NULL;
 814         }
 815         tmp->tech = &jingle_tech;
 816
 817         /* Select our native format based on codec preference until we receive
 818            something from another device to the contrary. */
 819         if (i->jointcapability)
 820                 what = i->jointcapability;
 821         else if (i->capability)
 822                 what = i->capability;
 823         else
 824                 what = global_capability;
 825
 826         /* Set Frame packetization */
 827         if (i->rtp)
 828                 ast_rtp_codec_setpref(i->rtp, &i->prefs);
 829
 830         tmp->nativeformats = ast_codec_choose(&i->prefs, what, 1) | (i->jointcapability & AST_FORMAT_VIDEO_MASK);
 831         fmt = ast_best_codec(tmp->nativeformats);
 832
 833         if (i->rtp) {
 834                 ast_channel_set_fd(tmp, 0, ast_rtp_fd(i->rtp));
 835                 ast_channel_set_fd(tmp, 1, ast_rtcp_fd(i->rtp));
 836         }
 837         if (i->vrtp) {
 838                 ast_channel_set_fd(tmp, 2, ast_rtp_fd(i->vrtp));
 839                 ast_channel_set_fd(tmp, 3, ast_rtcp_fd(i->vrtp));
 840         }
 841         if (state == AST_STATE_RING)
 842                 tmp->rings = 1;
 843         tmp->adsicpe = AST_ADSI_UNAVAILABLE;
 844         tmp->writeformat = fmt;
 845         tmp->rawwriteformat = fmt;
 846         tmp->readformat = fmt;
 847         tmp->rawreadformat = fmt;
 848         tmp->tech_pvt = i;
 849
 850         tmp->callgroup = client->callgroup;
 851         tmp->pickupgroup = client->pickupgroup;
 852         tmp->cid.cid_pres = client->callingpres;
 853         if (!ast_strlen_zero(client->accountcode))
 854                 ast_string_field_set(tmp, accountcode, client->accountcode);
 855         if (client->amaflags)
 856                 tmp->amaflags = client->amaflags;
 857         if (!ast_strlen_zero(client->language))
 858                 ast_string_field_set(tmp, language, client->language);
 859         if (!ast_strlen_zero(client->musicclass))
 860                 ast_string_field_set(tmp, musicclass, client->musicclass);
 861         i->owner = tmp;
 862         ast_copy_string(tmp->context, client->context, sizeof(tmp->context));
 863         ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten));
 864         /* Don't use ast_set_callerid() here because it will
 865          * generate an unnecessary NewCallerID event  */
 866         tmp->cid.cid_ani = ast_strdup(i->cid_num);
 867         if (!ast_strlen_zero(i->exten) && strcmp(i->exten, "s"))
 868                 tmp->cid.cid_dnid = ast_strdup(i->exten);
 869         tmp->priority = 1;
 870         if (i->rtp)
 871                 ast_jb_configure(tmp, &global_jbconf);
 872         if (state != AST_STATE_DOWN && ast_pbx_start(tmp)) {
 873                 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
 874                 tmp->hangupcause = AST_CAUSE_SWITCH_CONGESTION;
 875                 ast_hangup(tmp);
 876                 tmp = NULL;
 877         }
 878
 879         return tmp;
 880 }
 881
 882 static int jingle_action(struct jingle *client, struct jingle_pvt *p, const char *action)
 883 {
 884         iks *iq, *jingle = NULL;
 885         int res = -1;
 886
 887         iq = iks_new("iq");
 888         jingle = iks_new("jingle");
 889
 890         if (iq) {
 891                 iks_insert_attrib(iq, "type", "set");
 892                 iks_insert_attrib(iq, "from", client->connection->jid->full);
 893                 iks_insert_attrib(iq, "to", p->them);
 894                 iks_insert_attrib(iq, "id", client->connection->mid);
 895                 ast_aji_increment_mid(client->connection->mid);
 896                 if (jingle) {
 897                         iks_insert_attrib(jingle, "action", action);
 898                         iks_insert_attrib(jingle, JINGLE_SID, p->sid);
 899                         iks_insert_attrib(jingle, "initiator", p->initiator ? client->connection->jid->full : p->them);
 900                         iks_insert_attrib(jingle, "xmlns", JINGLE_NS);
 901
 902                         iks_insert_node(iq, jingle);
 903
 904                         ast_aji_send(client->connection, iq);
 905                         res = 0;
 906                 }
 907         }
 908
 909         iks_delete(jingle);
 910         iks_delete(iq);
 911
 912         return res;
 913 }
 914
 915 static void jingle_free_candidates(struct jingle_candidate *candidate)
 916 {
 917         struct jingle_candidate *last;
 918         while (candidate) {
 919                 last = candidate;
 920                 candidate = candidate->next;
 921                 ast_free(last);
 922         }
 923 }
 924
 925 static void jingle_free_pvt(struct jingle *client, struct jingle_pvt *p)
 926 {
 927         struct jingle_pvt *cur, *prev = NULL;
 928         cur = client->p;
 929         while (cur) {
 930                 if (cur == p) {
 931                         if (prev)
 932                                 prev->next = p->next;
 933                         else
 934                                 client->p = p->next;
 935                         break;
 936                 }
 937                 prev = cur;
 938                 cur = cur->next;
 939         }
 940         if (p->ringrule)
 941                 iks_filter_remove_rule(p->parent->connection->f, p->ringrule);
 942         if (p->owner)
 943                 ast_log(LOG_WARNING, "Uh oh, there's an owner, this is going to be messy.\n");
 944         if (p->rtp)
 945                 ast_rtp_destroy(p->rtp);
 946         if (p->vrtp)
 947                 ast_rtp_destroy(p->vrtp);
 948         jingle_free_candidates(p->theircandidates);
 949         ast_free(p);
 950 }
 951
 952
 953 static int jingle_newcall(struct jingle *client, ikspak *pak)
 954 {
 955         struct jingle_pvt *p, *tmp = client->p;
 956         struct ast_channel *chan;
 957         int res;
 958         iks *codec, *content, *description;
 959         char *from = NULL;
 960
 961         /* Make sure our new call doesn't exist yet */
 962         from = iks_find_attrib(pak->x,"to");
 963         if(!from)
 964                 from = client->connection->jid->full;
 965
 966         while (tmp) {
 967                 if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid)) {
 968                         ast_log(LOG_NOTICE, "Ignoring duplicate call setup on SID %s\n", tmp->sid);
 969                         jingle_response(client, pak, "out-of-order", NULL);
 970                         return -1;
 971                 }
 972                 tmp = tmp->next;
 973         }
 974
 975         if (!strcasecmp(client->name, "guest")){
 976                 /* the guest account is not tied to any configured XMPP client,
 977                    let's set it now */
 978                 client->connection = ast_aji_get_client(from);
 979                 if (!client->connection) {
 980                         ast_log(LOG_ERROR, "No XMPP client to talk to, us (partial JID) : %s\n", from);
 981                         return -1;
 982                 }
 983         }
 984
 985         p = jingle_alloc(client, pak->from->partial, iks_find_attrib(pak->query, JINGLE_SID));
 986         if (!p) {
 987                 ast_log(LOG_WARNING, "Unable to allocate jingle structure!\n");
 988                 return -1;
 989         }
 990         chan = jingle_new(client, p, AST_STATE_DOWN, pak->from->user);
 991         if (!chan) {
 992                 jingle_free_pvt(client, p);
 993                 return -1;
 994         }
 995         ast_mutex_lock(&p->lock);
 996         ast_copy_string(p->them, pak->from->full, sizeof(p->them));
 997         if (iks_find_attrib(pak->query, JINGLE_SID)) {
 998                 ast_copy_string(p->sid, iks_find_attrib(pak->query, JINGLE_SID),
 999                                 sizeof(p->sid));
1000         }
1001
1002         /* content points to the first <content/> tag */
1003         content = iks_child(iks_child(pak->x));
1004         while (content) {
1005                 description = iks_find_with_attrib(content, "description", "xmlns", JINGLE_AUDIO_RTP_NS);
1006                 if (description) {
1007                         /* audio content found */
1008                         codec = iks_child(iks_child(content));
1009                         ast_copy_string(p->audio_content_name, iks_find_attrib(content, "name"), sizeof(p->audio_content_name));
1010
1011                         while (codec) {
1012                                 ast_rtp_set_m_type(p->rtp, atoi(iks_find_attrib(codec, "id")));
1013                                 ast_rtp_set_rtpmap_type(p->rtp, atoi(iks_find_attrib(codec, "id")), "audio", iks_find_attrib(codec, "name"), 0);
1014                                 codec = iks_next(codec);
1015                         }
1016                 }
1017
1018                 description = NULL;
1019                 codec = NULL;
1020
1021                 description = iks_find_with_attrib(content, "description", "xmlns", JINGLE_VIDEO_RTP_NS);
1022                 if (description) {
1023                         /* video content found */
1024                         codec = iks_child(iks_child(content));
1025                         ast_copy_string(p->video_content_name, iks_find_attrib(content, "name"), sizeof(p->video_content_name));
1026
1027                         while (codec) {
1028                                 ast_rtp_set_m_type(p->rtp, atoi(iks_find_attrib(codec, "id")));
1029                                 ast_rtp_set_rtpmap_type(p->rtp, atoi(iks_find_attrib(codec, "id")), "audio", iks_find_attrib(codec, "name"), 0);
1030                                 codec = iks_next(codec);
1031                         }
1032                 }
1033
1034                 content = iks_next(content);
1035         }
1036
1037         ast_mutex_unlock(&p->lock);
1038         ast_setstate(chan, AST_STATE_RING);
1039         res = ast_pbx_start(chan);
1040
1041         switch (res) {
1042         case AST_PBX_FAILED:
1043                 ast_log(LOG_WARNING, "Failed to start PBX :(\n");
1044                 jingle_response(client, pak, "service-unavailable", NULL);
1045                 break;
1046         case AST_PBX_CALL_LIMIT:
1047                 ast_log(LOG_WARNING, "Failed to start PBX (call limit reached) \n");
1048                 jingle_response(client, pak, "service-unavailable", NULL);
1049                 break;
1050         case AST_PBX_SUCCESS:
1051                 jingle_response(client, pak, NULL, NULL);
1052                 jingle_create_candidates(client, p,
1053                                          iks_find_attrib(pak->query, JINGLE_SID),
1054                                          iks_find_attrib(pak->x, "from"));
1055                 /* nothing to do */
1056                 break;
1057         }
1058
1059         return 1;
1060 }
1061
1062 static int jingle_update_stun(struct jingle *client, struct jingle_pvt *p)
1063 {
1064         struct jingle_candidate *tmp;
1065         struct hostent *hp;
1066         struct ast_hostent ahp;
1067         struct sockaddr_in sin;
1068
1069         if (time(NULL) == p->laststun)
1070                 return 0;
1071
1072         tmp = p->theircandidates;
1073         p->laststun = time(NULL);
1074         while (tmp) {
1075                 char username[256];
1076                 hp = ast_gethostbyname(tmp->ip, &ahp);
1077                 sin.sin_family = AF_INET;
1078                 memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr));
1079                 sin.sin_port = htons(tmp->port);
1080                 snprintf(username, sizeof(username), "%s:%s", tmp->ufrag, p->ourcandidates->ufrag);
1081
1082                 ast_rtp_stun_request(p->rtp, &sin, username);
1083                 tmp = tmp->next;
1084         }
1085         return 1;
1086 }
1087
1088 static int jingle_add_candidate(struct jingle *client, ikspak *pak)
1089 {
1090         struct jingle_pvt *p = NULL, *tmp = NULL;
1091         struct aji_client *c = client->connection;
1092         struct jingle_candidate *newcandidate = NULL;
1093         iks *traversenodes = NULL, *receipt = NULL;
1094
1095         for (tmp = client->p; tmp; tmp = tmp->next) {
1096                 if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid)) {
1097                         p = tmp;
1098                         break;
1099                 }
1100         }
1101
1102         if (!p)
1103                 return -1;
1104
1105         traversenodes = pak->query;
1106         while(traversenodes) {
1107                 if(!strcasecmp(iks_name(traversenodes), "jingle")) {
1108                         traversenodes = iks_child(traversenodes);
1109                         continue;
1110                 }
1111                 if(!strcasecmp(iks_name(traversenodes), "content")) {
1112                         traversenodes = iks_child(traversenodes);
1113                         continue;
1114                 }
1115                 if(!strcasecmp(iks_name(traversenodes), "transport")) {
1116                         traversenodes = iks_child(traversenodes);
1117                         continue;
1118                 }
1119
1120                 if(!strcasecmp(iks_name(traversenodes), "candidate")) {
1121                         newcandidate = ast_calloc(1, sizeof(*newcandidate));
1122                         if (!newcandidate)
1123                                 return 0;
1124                         ast_copy_string(newcandidate->ip, iks_find_attrib(traversenodes, "ip"), sizeof(newcandidate->ip));
1125                         newcandidate->port = atoi(iks_find_attrib(traversenodes, "port"));
1126                         ast_copy_string(newcandidate->password, iks_find_attrib(traversenodes, "pwd"), sizeof(newcandidate->password));
1127                         if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "udp"))
1128                                 newcandidate->protocol = AJI_PROTOCOL_UDP;
1129                         else if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "ssltcp"))
1130                                 newcandidate->protocol = AJI_PROTOCOL_SSLTCP;
1131
1132                         if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "host"))
1133                                 newcandidate->type = AJI_CONNECT_HOST;
1134                         else if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "prflx"))
1135                                 newcandidate->type = AJI_CONNECT_PRFLX;
1136                         else if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "relay"))
1137                                 newcandidate->type = AJI_CONNECT_RELAY;
1138                         else if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "srflx"))
1139                                 newcandidate->type = AJI_CONNECT_SRFLX;
1140
1141                         newcandidate->network = atoi(iks_find_attrib(traversenodes, "network"));
1142                         newcandidate->generation = atoi(iks_find_attrib(traversenodes, "generation"));
1143                         newcandidate->next = NULL;
1144
1145                         newcandidate->next = p->theircandidates;
1146                         p->theircandidates = newcandidate;
1147                         p->laststun = 0;
1148                         jingle_update_stun(p->parent, p);
1149                         newcandidate = NULL;
1150                 }
1151                 traversenodes = iks_next(traversenodes);
1152         }
1153
1154         receipt = iks_new("iq");
1155         iks_insert_attrib(receipt, "type", "result");
1156         iks_insert_attrib(receipt, "from", c->jid->full);
1157         iks_insert_attrib(receipt, "to", iks_find_attrib(pak->x, "from"));
1158         iks_insert_attrib(receipt, "id", iks_find_attrib(pak->x, "id"));
1159         ast_aji_send(c, receipt);
1160
1161         iks_delete(receipt);
1162
1163         return 1;
1164 }
1165
1166 static struct ast_frame *jingle_rtp_read(struct ast_channel *ast, struct jingle_pvt *p)
1167 {
1168         struct ast_frame *f;
1169
1170         if (!p->rtp)
1171                 return &ast_null_frame;
1172         f = ast_rtp_read(p->rtp);
1173         jingle_update_stun(p->parent, p);
1174         if (p->owner) {
1175                 /* We already hold the channel lock */
1176                 if (f->frametype == AST_FRAME_VOICE) {
1177                         if (f->subclass != (p->owner->nativeformats & AST_FORMAT_AUDIO_MASK)) {
1178                                 ast_debug(1, "Oooh, format changed to %d\n", f->subclass);
1179                                 p->owner->nativeformats =
1180                                         (p->owner->nativeformats & AST_FORMAT_VIDEO_MASK) | f->subclass;
1181                                 ast_set_read_format(p->owner, p->owner->readformat);
1182                                 ast_set_write_format(p->owner, p->owner->writeformat);
1183                         }
1184 /*                      if ((ast_test_flag(p, SIP_DTMF) == SIP_DTMF_INBAND) && p->vad) {
1185                                 f = ast_dsp_process(p->owner, p->vad, f);
1186                                 if (f && (f->frametype == AST_FRAME_DTMF))
1187                                         ast_debug(1, "* Detected inband DTMF '%c'\n", f->subclass);
1188                         } */
1189                 }
1190         }
1191         return f;
1192 }
1193
1194 static struct ast_frame *jingle_read(struct ast_channel *ast)
1195 {
1196         struct ast_frame *fr;
1197         struct jingle_pvt *p = ast->tech_pvt;
1198
1199         ast_mutex_lock(&p->lock);
1200         fr = jingle_rtp_read(ast, p);
1201         ast_mutex_unlock(&p->lock);
1202         return fr;
1203 }
1204
1205 /*! \brief Send frame to media channel (rtp) */
1206 static int jingle_write(struct ast_channel *ast, struct ast_frame *frame)
1207 {
1208         struct jingle_pvt *p = ast->tech_pvt;
1209         int res = 0;
1210
1211         switch (frame->frametype) {
1212         case AST_FRAME_VOICE:
1213                 if (!(frame->subclass & ast->nativeformats)) {
1214                         ast_log(LOG_WARNING,
1215                                         "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
1216                                         frame->subclass, ast->nativeformats, ast->readformat,
1217                                         ast->writeformat);
1218                         return 0;
1219                 }
1220                 if (p) {
1221                         ast_mutex_lock(&p->lock);
1222                         if (p->rtp) {
1223                                 res = ast_rtp_write(p->rtp, frame);
1224                         }
1225                         ast_mutex_unlock(&p->lock);
1226                 }
1227                 break;
1228         case AST_FRAME_VIDEO:
1229                 if (p) {
1230                         ast_mutex_lock(&p->lock);
1231                         if (p->vrtp) {
1232                                 res = ast_rtp_write(p->vrtp, frame);
1233                         }
1234                         ast_mutex_unlock(&p->lock);
1235                 }
1236                 break;
1237         case AST_FRAME_IMAGE:
1238                 return 0;
1239                 break;
1240         default:
1241                 ast_log(LOG_WARNING, "Can't send %d type frames with Jingle write\n",
1242                                 frame->frametype);
1243                 return 0;
1244         }
1245
1246         return res;
1247 }
1248
1249 static int jingle_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
1250 {
1251         struct jingle_pvt *p = newchan->tech_pvt;
1252         ast_mutex_lock(&p->lock);
1253
1254         if ((p->owner != oldchan)) {
1255                 ast_mutex_unlock(&p->lock);
1256                 return -1;
1257         }
1258         if (p->owner == oldchan)
1259                 p->owner = newchan;
1260         ast_mutex_unlock(&p->lock);
1261         return 0;
1262 }
1263
1264 static int jingle_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen)
1265 {
1266         int res = 0;
1267
1268         switch (condition) {
1269         case AST_CONTROL_HOLD:
1270                 ast_moh_start(ast, data, NULL);
1271                 break;
1272         case AST_CONTROL_UNHOLD:
1273                 ast_moh_stop(ast);
1274                 break;
1275         default:
1276                 ast_log(LOG_NOTICE, "Don't know how to indicate condition '%d'\n", condition);
1277                 res = -1;
1278         }
1279
1280         return res;
1281 }
1282
1283 static int jingle_digit(struct ast_channel *ast, char digit, unsigned int duration)
1284 {
1285         struct jingle_pvt *p = ast->tech_pvt;
1286         struct jingle *client = p->parent;
1287         iks *iq, *jingle, *dtmf;
1288         char buffer[2] = {digit, '\0'};
1289         iq = iks_new("iq");
1290         jingle = iks_new("jingle");
1291         dtmf = iks_new("dtmf");
1292         if(!iq || !jingle || !dtmf) {
1293                 iks_delete(iq);
1294                 iks_delete(jingle);
1295                 iks_delete(dtmf);
1296                 ast_log(LOG_ERROR, "Did not send dtmf do to memory issue\n");
1297                 return -1;
1298         }
1299
1300         iks_insert_attrib(iq, "type", "set");
1301         iks_insert_attrib(iq, "to", p->them);
1302         iks_insert_attrib(iq, "from", client->connection->jid->full);
1303         iks_insert_attrib(iq, "id", client->connection->mid);
1304         ast_aji_increment_mid(client->connection->mid);
1305         iks_insert_attrib(jingle, "xmlns", JINGLE_NS);
1306         iks_insert_attrib(jingle, "action", "session-info");
1307         iks_insert_attrib(jingle, "initiator", p->initiator ? client->connection->jid->full : p->them);
1308         iks_insert_attrib(jingle, "sid", p->sid);
1309         iks_insert_attrib(dtmf, "xmlns", JINGLE_DTMF_NS);
1310         iks_insert_attrib(dtmf, "code", buffer);
1311         iks_insert_node(iq, jingle);
1312         iks_insert_node(jingle, dtmf);
1313
1314         ast_mutex_lock(&p->lock);
1315         if (ast->dtmff.frametype == AST_FRAME_DTMF_BEGIN || duration == 0) {
1316                 iks_insert_attrib(dtmf, "action", "button-down");
1317         } else if (ast->dtmff.frametype == AST_FRAME_DTMF_END || duration != 0) {
1318                 iks_insert_attrib(dtmf, "action", "button-up");
1319         }
1320         ast_aji_send(client->connection, iq);
1321
1322         iks_delete(iq);
1323         iks_delete(jingle);
1324         iks_delete(dtmf);
1325         ast_mutex_unlock(&p->lock);
1326         return 0;
1327 }
1328
1329 static int jingle_digit_begin(struct ast_channel *chan, char digit)
1330 {
1331         return jingle_digit(chan, digit, 0);
1332 }
1333
1334 static int jingle_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
1335 {
1336         return jingle_digit(ast, digit, duration);
1337 }
1338
1339 static int jingle_sendhtml(struct ast_channel *ast, int subclass, const char *data, int datalen)
1340 {
1341         ast_log(LOG_NOTICE, "XXX Implement jingle sendhtml XXX\n");
1342
1343         return -1;
1344 }
1345 static int jingle_transmit_invite(struct jingle_pvt *p)
1346 {
1347         struct jingle *aux = NULL;
1348         struct aji_client *client = NULL;
1349         iks *iq, *jingle, *content, *description, *transport;
1350         iks *payload_eg711u, *payload_pcmu;
1351
1352         aux = p->parent;
1353         client = aux->connection;
1354         iq = iks_new("iq");
1355         jingle = iks_new(JINGLE_NODE);
1356         content = iks_new("content");
1357         description = iks_new("description");
1358         transport = iks_new("transport");
1359         payload_pcmu = iks_new("payload-type");
1360         payload_eg711u = iks_new("payload-type");
1361
1362         ast_copy_string(p->audio_content_name, "asterisk-audio-content", sizeof(p->audio_content_name));
1363
1364         iks_insert_attrib(iq, "type", "set");
1365         iks_insert_attrib(iq, "to", p->them);
1366         iks_insert_attrib(iq, "from", client->jid->full);
1367         iks_insert_attrib(iq, "id", client->mid);
1368         ast_aji_increment_mid(client->mid);
1369         iks_insert_attrib(jingle, "action", JINGLE_INITIATE);
1370         iks_insert_attrib(jingle, JINGLE_SID, p->sid);
1371         iks_insert_attrib(jingle, "initiator", client->jid->full);
1372         iks_insert_attrib(jingle, "xmlns", JINGLE_NS);
1373
1374         /* For now, we only send one audio based content */
1375         iks_insert_attrib(content, "creator", "initiator");
1376         iks_insert_attrib(content, "name", p->audio_content_name);
1377         iks_insert_attrib(content, "profile", "RTP/AVP");
1378         iks_insert_attrib(description, "xmlns", JINGLE_AUDIO_RTP_NS);
1379         iks_insert_attrib(transport, "xmlns", JINGLE_ICE_UDP_NS);
1380         iks_insert_attrib(payload_pcmu, "id", "0");
1381         iks_insert_attrib(payload_pcmu, "name", "PCMU");
1382         iks_insert_attrib(payload_eg711u, "id", "100");
1383         iks_insert_attrib(payload_eg711u, "name", "EG711U");
1384         iks_insert_node(description, payload_pcmu);
1385         iks_insert_node(description, payload_eg711u);
1386         iks_insert_node(content, description);
1387         iks_insert_node(content, transport);
1388         iks_insert_node(jingle, content);
1389         iks_insert_node(iq, jingle);
1390
1391         ast_aji_send(client, iq);
1392
1393         iks_delete(iq);
1394         iks_delete(jingle);
1395         iks_delete(content);
1396         iks_delete(description);
1397         iks_delete(transport);
1398         iks_delete(payload_eg711u);
1399         iks_delete(payload_pcmu);
1400         return 0;
1401 }
1402
1403 /* Not in use right now.
1404 static int jingle_auto_congest(void *nothing)
1405 {
1406         struct jingle_pvt *p = nothing;
1407
1408         ast_mutex_lock(&p->lock);
1409         if (p->owner) {
1410                 if (!ast_channel_trylock(p->owner)) {
1411                         ast_log(LOG_NOTICE, "Auto-congesting %s\n", p->owner->name);
1412                         ast_queue_control(p->owner, AST_CONTROL_CONGESTION);
1413                         ast_channel_unlock(p->owner);
1414                 }
1415         }
1416         ast_mutex_unlock(&p->lock);
1417         return 0;
1418 }
1419 */
1420
1421 /*! \brief Initiate new call, part of PBX interface
1422  *      dest is the dial string */
1423 static int jingle_call(struct ast_channel *ast, char *dest, int timeout)
1424 {
1425         struct jingle_pvt *p = ast->tech_pvt;
1426
1427         if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
1428                 ast_log(LOG_WARNING, "jingle_call called on %s, neither down nor reserved\n", ast->name);
1429                 return -1;
1430         }
1431
1432         ast_setstate(ast, AST_STATE_RING);
1433         p->jointcapability = p->capability;
1434         if (!p->ringrule) {
1435                 ast_copy_string(p->ring, p->parent->connection->mid, sizeof(p->ring));
1436                 p->ringrule = iks_filter_add_rule(p->parent->connection->f, jingle_ringing_ack, p,
1437                                                         IKS_RULE_ID, p->ring, IKS_RULE_DONE);
1438         } else
1439                 ast_log(LOG_WARNING, "Whoa, already have a ring rule!\n");
1440
1441         jingle_transmit_invite(p);
1442         jingle_create_candidates(p->parent, p, p->sid, p->them);
1443
1444         return 0;
1445 }
1446
1447 /*! \brief Hangup a call through the jingle proxy channel */
1448 static int jingle_hangup(struct ast_channel *ast)
1449 {
1450         struct jingle_pvt *p = ast->tech_pvt;
1451         struct jingle *client;
1452
1453         ast_mutex_lock(&p->lock);
1454         client = p->parent;
1455         p->owner = NULL;
1456         ast->tech_pvt = NULL;
1457         if (!p->alreadygone)
1458                 jingle_action(client, p, JINGLE_TERMINATE);
1459         ast_mutex_unlock(&p->lock);
1460
1461         jingle_free_pvt(client, p);
1462
1463         return 0;
1464 }
1465
1466 /*! \brief Part of PBX interface */
1467 static struct ast_channel *jingle_request(const char *type, int format, void *data, int *cause)
1468 {
1469         struct jingle_pvt *p = NULL;
1470         struct jingle *client = NULL;
1471         char *sender = NULL, *to = NULL, *s = NULL;
1472         struct ast_channel *chan = NULL;
1473
1474         if (data) {
1475                 s = ast_strdupa(data);
1476                 if (s) {
1477                         sender = strsep(&s, "/");
1478                         if (sender && (sender[0] != '\0'))
1479                                 to = strsep(&s, "/");
1480                         if (!to) {
1481                                 ast_log(LOG_ERROR, "Bad arguments in Jingle Dialstring: %s\n", (char*) data);
1482                                 return NULL;
1483                         }
1484                 }
1485         }
1486
1487         client = find_jingle(to, sender);
1488         if (!client) {
1489                 ast_log(LOG_WARNING, "Could not find recipient.\n");
1490                 return NULL;
1491         }
1492         if (!strcasecmp(client->name, "guest")){
1493                 /* the guest account is not tied to any configured XMPP client,
1494                    let's set it now */
1495                 client->connection = ast_aji_get_client(sender);
1496                 if (!client->connection) {
1497                         ast_log(LOG_ERROR, "No XMPP client to talk to, us (partial JID) : %s\n", sender);
1498                         return NULL;
1499                 }
1500         }
1501
1502         ASTOBJ_WRLOCK(client);
1503         p = jingle_alloc(client, to, NULL);
1504         if (p)
1505                 chan = jingle_new(client, p, AST_STATE_DOWN, to);
1506         ASTOBJ_UNLOCK(client);
1507
1508         return chan;
1509 }
1510
1511 /*! \brief CLI command "jingle show channels" */
1512 static char *jingle_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
1513 {
1514 #define FORMAT  "%-30.30s  %-30.30s  %-15.15s  %-5.5s %-5.5s \n"
1515         struct jingle_pvt *p;
1516         struct ast_channel *chan;
1517         int numchans = 0;
1518         char them[AJI_MAX_JIDLEN];
1519         char *jid = NULL;
1520         char *resource = NULL;
1521
1522         switch (cmd) {
1523         case CLI_INIT:
1524                 e->command = "jingle show channels";
1525                 e->usage =
1526                         "Usage: jingle show channels\n"
1527                         "       Shows current state of the Jingle channels.\n";
1528                 return NULL;
1529         case CLI_GENERATE:
1530                 return NULL;
1531         }
1532
1533         if (a->argc != 3)
1534                 return CLI_SHOWUSAGE;
1535
1536         ast_mutex_lock(&jinglelock);
1537         ast_cli(a->fd, FORMAT, "Channel", "Jabber ID", "Resource", "Read", "Write");
1538         ASTOBJ_CONTAINER_TRAVERSE(&jingle_list, 1, {
1539                 ASTOBJ_WRLOCK(iterator);
1540                 p = iterator->p;
1541                 while(p) {
1542                         chan = p->owner;
1543                         ast_copy_string(them, p->them, sizeof(them));
1544                         jid = them;
1545                         resource = strchr(them, '/');
1546                         if (!resource)
1547                                 resource = "None";
1548                         else {
1549                                 *resource = '\0';
1550                                 resource ++;
1551                         }
1552                         if (chan)
1553                                 ast_cli(a->fd, FORMAT,
1554                                         chan->name,
1555                                         jid,
1556                                         resource,
1557                                         ast_getformatname(chan->readformat),
1558                                         ast_getformatname(chan->writeformat)
1559                                         );
1560                         else
1561                                 ast_log(LOG_WARNING, "No available channel\n");
1562                         numchans ++;
1563                         p = p->next;
1564                 }
1565                 ASTOBJ_UNLOCK(iterator);
1566         });
1567
1568         ast_mutex_unlock(&jinglelock);
1569
1570         ast_cli(a->fd, "%d active jingle channel%s\n", numchans, (numchans != 1) ? "s" : "");
1571         return CLI_SUCCESS;
1572 #undef FORMAT
1573 }
1574
1575 /*! \brief CLI command "jingle reload" */
1576 static char *jingle_do_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
1577 {
1578         switch (cmd) {
1579         case CLI_INIT:
1580                 e->command = "jingle reload";
1581                 e->usage =
1582                         "Usage: jingle reload\n"
1583                         "       Reload jingle channel driver.\n";
1584                 return NULL;
1585         case CLI_GENERATE:
1586                 return NULL;
1587         }
1588
1589         return CLI_SUCCESS;
1590 }
1591
1592 static int jingle_parser(void *data, ikspak *pak)
1593 {
1594         struct jingle *client = ASTOBJ_REF((struct jingle *) data);
1595         ast_log(LOG_NOTICE, "Filter matched\n");
1596
1597         if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_INITIATE)) {
1598                 /* New call */
1599                 jingle_newcall(client, pak);
1600         } else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_NEGOTIATE)) {
1601                 ast_debug(3, "About to add candidate!\n");
1602                 jingle_add_candidate(client, pak);
1603                 ast_debug(3, "Candidate Added!\n");
1604         } else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_ACCEPT)) {
1605                 jingle_is_answered(client, pak);
1606         } else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_INFO)) {
1607                 jingle_handle_dtmf(client, pak);
1608         } else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_TERMINATE)) {
1609                 jingle_hangup_farend(client, pak);
1610         } else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", "reject")) {
1611                 jingle_hangup_farend(client, pak);
1612         }
1613         ASTOBJ_UNREF(client, jingle_member_destroy);
1614         return IKS_FILTER_EAT;
1615 }
1616 /* Not using this anymore probably take out soon
1617 static struct jingle_candidate *jingle_create_candidate(char *args)
1618 {
1619         char *name, *type, *preference, *protocol;
1620         struct jingle_candidate *res;
1621         res = ast_calloc(1, sizeof(*res));
1622         if (args)
1623                 name = args;
1624         if ((args = strchr(args, ','))) {
1625                 *args = '\0';
1626                 args++;
1627                 preference = args;
1628         }
1629         if ((args = strchr(args, ','))) {
1630                 *args = '\0';
1631                 args++;
1632                 protocol = args;
1633         }
1634         if ((args = strchr(args, ','))) {
1635                 *args = '\0';
1636                 args++;
1637                 type = args;
1638         }
1639         if (name)
1640                 ast_copy_string(res->name, name, sizeof(res->name));
1641         if (preference) {
1642                 res->preference = atof(preference);
1643         }
1644         if (protocol) {
1645                 if (!strcasecmp("udp", protocol))
1646                         res->protocol = AJI_PROTOCOL_UDP;
1647                 if (!strcasecmp("ssltcp", protocol))
1648                         res->protocol = AJI_PROTOCOL_SSLTCP;
1649         }
1650         if (type) {
1651                 if (!strcasecmp("host", type))
1652                         res->type = AJI_CONNECT_HOST;
1653                 if (!strcasecmp("prflx", type))
1654                         res->type = AJI_CONNECT_PRFLX;
1655                 if (!strcasecmp("relay", type))
1656                         res->type = AJI_CONNECT_RELAY;
1657                 if (!strcasecmp("srflx", type))
1658                         res->type = AJI_CONNECT_SRFLX;
1659         }
1660
1661         return res;
1662 }
1663 */
1664
1665 static int jingle_create_member(char *label, struct ast_variable *var, int allowguest,
1666                                                                 struct ast_codec_pref prefs, char *context,
1667                                                                 struct jingle *member)
1668 {
1669         struct aji_client *client;
1670
1671         if (!member)
1672                 ast_log(LOG_WARNING, "Out of memory.\n");
1673
1674         ast_copy_string(member->name, label, sizeof(member->name));
1675         ast_copy_string(member->user, label, sizeof(member->user));
1676         ast_copy_string(member->context, context, sizeof(member->context));
1677         member->allowguest = allowguest;
1678         member->prefs = prefs;
1679         while (var) {
1680 #if 0
1681                 struct jingle_candidate *candidate = NULL;
1682 #endif
1683                 if (!strcasecmp(var->name, "username"))
1684                         ast_copy_string(member->user, var->value, sizeof(member->user));
1685                 else if (!strcasecmp(var->name, "disallow"))
1686                         ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 0);
1687                 else if (!strcasecmp(var->name, "allow"))
1688                         ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 1);
1689                 else if (!strcasecmp(var->name, "context"))
1690                         ast_copy_string(member->context, var->value, sizeof(member->context));
1691 #if 0
1692                 else if (!strcasecmp(var->name, "candidate")) {
1693                         candidate = jingle_create_candidate(var->value);
1694                         if (candidate) {
1695                                 candidate->next = member->ourcandidates;
1696                                 member->ourcandidates = candidate;
1697                         }
1698                 }
1699 #endif
1700                 else if (!strcasecmp(var->name, "connection")) {
1701                         if ((client = ast_aji_get_client(var->value))) {
1702                                 member->connection = client;
1703                                 iks_filter_add_rule(client->f, jingle_parser, member,
1704                                                     IKS_RULE_TYPE, IKS_PAK_IQ,
1705                                                     IKS_RULE_FROM_PARTIAL, member->user,
1706                                                     IKS_RULE_NS, JINGLE_NS,
1707                                                     IKS_RULE_DONE);
1708                         } else {
1709                                 ast_log(LOG_ERROR, "connection referenced not found!\n");
1710                                 return 0;
1711                         }
1712                 }
1713                 var = var->next;
1714         }
1715         if (member->connection && member->user)
1716                 member->buddy = ASTOBJ_CONTAINER_FIND(&member->connection->buddies, member->user);
1717         else {
1718                 ast_log(LOG_ERROR, "No Connection or Username!\n");
1719         }
1720         return 1;
1721 }
1722
1723 static int jingle_load_config(void)
1724 {
1725         char *cat = NULL;
1726         struct ast_config *cfg = NULL;
1727         char context[100];
1728         int allowguest = 1;
1729         struct ast_variable *var;
1730         struct jingle *member;
1731         struct hostent *hp;
1732         struct ast_hostent ahp;
1733         struct ast_codec_pref prefs;
1734         struct aji_client_container *clients;
1735         struct jingle_candidate *global_candidates = NULL;
1736         struct ast_flags config_flags = { 0 };
1737
1738         cfg = ast_config_load(JINGLE_CONFIG, config_flags);
1739         if (!cfg)
1740                 return 0;
1741
1742         /* Copy the default jb config over global_jbconf */
1743         memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
1744
1745         cat = ast_category_browse(cfg, NULL);
1746         for (var = ast_variable_browse(cfg, "general"); var; var = var->next) {
1747                 /* handle jb conf */
1748                 if (!ast_jb_read_conf(&global_jbconf, var->name, var->value))
1749                         continue;
1750
1751                 if (!strcasecmp(var->name, "allowguest"))
1752                         allowguest =
1753                                 (ast_true(ast_variable_retrieve(cfg, "general", "allowguest"))) ? 1 : 0;
1754                 else if (!strcasecmp(var->name, "disallow"))
1755                         ast_parse_allow_disallow(&prefs, &global_capability, var->value, 0);
1756                 else if (!strcasecmp(var->name, "allow"))
1757                         ast_parse_allow_disallow(&prefs, &global_capability, var->value, 1);
1758                 else if (!strcasecmp(var->name, "context"))
1759                         ast_copy_string(context, var->value, sizeof(context));
1760                 else if (!strcasecmp(var->name, "externip"))
1761                         ast_copy_string(externip, var->value, sizeof(externip));
1762                 else if (!strcasecmp(var->name, "bindaddr")) {
1763                         if (!(hp = ast_gethostbyname(var->value, &ahp))) {
1764                                 ast_log(LOG_WARNING, "Invalid address: %s\n", var->value);
1765                         } else {
1766                                 memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr));
1767                         }
1768                 }
1769 /*  Idea to allow for custom candidates  */
1770 /*
1771                 else if (!strcasecmp(var->name, "candidate")) {
1772                         candidate = jingle_create_candidate(var->value);
1773                         if (candidate) {
1774                                 candidate->next = global_candidates;
1775                                 global_candidates = candidate;
1776                         }
1777                 }
1778 */
1779         }
1780         while (cat) {
1781                 if (strcasecmp(cat, "general")) {
1782                         var = ast_variable_browse(cfg, cat);
1783                         member = ast_calloc(1, sizeof(*member));
1784                         ASTOBJ_INIT(member);
1785                         ASTOBJ_WRLOCK(member);
1786                         if (!strcasecmp(cat, "guest")) {
1787                                 ast_copy_string(member->name, "guest", sizeof(member->name));
1788                                 ast_copy_string(member->user, "guest", sizeof(member->user));
1789                                 ast_copy_string(member->context, context, sizeof(member->context));
1790                                 member->allowguest = allowguest;
1791                                 member->prefs = prefs;
1792                                 while (var) {
1793                                         if (!strcasecmp(var->name, "disallow"))
1794                                                 ast_parse_allow_disallow(&member->prefs, &member->capability,
1795                                                                                                  var->value, 0);
1796                                         else if (!strcasecmp(var->name, "allow"))
1797                                                 ast_parse_allow_disallow(&member->prefs, &member->capability,
1798                                                                                                  var->value, 1);
1799                                         else if (!strcasecmp(var->name, "context"))
1800                                                 ast_copy_string(member->context, var->value,
1801                                                                                 sizeof(member->context));
1802                                         else if (!strcasecmp(var->name, "parkinglot"))
1803                                                 ast_copy_string(member->parkinglot, var->value,
1804                                                                                 sizeof(member->parkinglot));
1805 /*  Idea to allow for custom candidates  */
1806 /*
1807                                         else if (!strcasecmp(var->name, "candidate")) {
1808                                                 candidate = jingle_create_candidate(var->value);
1809                                                 if (candidate) {
1810                                                         candidate->next = member->ourcandidates;
1811                                                         member->ourcandidates = candidate;
1812                                                 }
1813                                         }
1814 */
1815                                         var = var->next;
1816                                 }
1817                                 ASTOBJ_UNLOCK(member);
1818                                 clients = ast_aji_get_clients();
1819                                 if (clients) {
1820                                         ASTOBJ_CONTAINER_TRAVERSE(clients, 1, {
1821                                                 ASTOBJ_WRLOCK(iterator);
1822                                                 ASTOBJ_WRLOCK(member);
1823                                                 member->connection = NULL;
1824                                                 iks_filter_add_rule(iterator->f, jingle_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, JINGLE_NS, IKS_RULE_DONE);
1825                                                 iks_filter_add_rule(iterator->f, jingle_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, JINGLE_DTMF_NS, IKS_RULE_DONE);
1826                                                 ASTOBJ_UNLOCK(member);
1827                                                 ASTOBJ_UNLOCK(iterator);
1828                                         });
1829                                         ASTOBJ_CONTAINER_LINK(&jingle_list, member);
1830                                 } else {
1831                                         ASTOBJ_UNLOCK(member);
1832                                         ASTOBJ_UNREF(member, jingle_member_destroy);
1833                                 }
1834                         } else {
1835                                 ASTOBJ_UNLOCK(member);
1836                                 if (jingle_create_member(cat, var, allowguest, prefs, context, member))
1837                                         ASTOBJ_CONTAINER_LINK(&jingle_list, member);
1838                                 ASTOBJ_UNREF(member, jingle_member_destroy);
1839                         }
1840                 }
1841                 cat = ast_category_browse(cfg, cat);
1842         }
1843         jingle_free_candidates(global_candidates);
1844         return 1;
1845 }
1846
1847 /*! \brief Load module into PBX, register channel */
1848 static int load_module(void)
1849 {
1850         char *jabber_loaded = ast_module_helper("", "res_jabber.so", 0, 0, 0, 0);
1851         free(jabber_loaded);
1852         if (!jabber_loaded) {
1853                 /* Dependency module has a different name, if embedded */
1854                 jabber_loaded = ast_module_helper("", "res_jabber", 0, 0, 0, 0);
1855                 free(jabber_loaded);
1856                 if (!jabber_loaded) {
1857                         ast_log(LOG_ERROR, "chan_jingle.so depends upon res_jabber.so\n");
1858                         return AST_MODULE_LOAD_DECLINE;
1859                 }
1860         }
1861
1862         ASTOBJ_CONTAINER_INIT(&jingle_list);
1863         if (!jingle_load_config()) {
1864                 ast_log(LOG_ERROR, "Unable to read config file %s. Not loading module.\n", JINGLE_CONFIG);
1865                 return AST_MODULE_LOAD_DECLINE;
1866         }
1867
1868         sched = sched_context_create();
1869         if (!sched)
1870                 ast_log(LOG_WARNING, "Unable to create schedule context\n");
1871
1872         io = io_context_create();
1873         if (!io)
1874                 ast_log(LOG_WARNING, "Unable to create I/O context\n");
1875
1876         if (ast_find_ourip(&__ourip, bindaddr)) {
1877                 ast_log(LOG_WARNING, "Unable to get own IP address, Jingle disabled\n");
1878                 return 0;
1879         }
1880
1881         ast_rtp_proto_register(&jingle_rtp);
1882         ast_cli_register_multiple(jingle_cli, ARRAY_LEN(jingle_cli));
1883         /* Make sure we can register our channel type */
1884         if (ast_channel_register(&jingle_tech)) {
1885                 ast_log(LOG_ERROR, "Unable to register channel class %s\n", type);
1886                 return -1;
1887         }
1888         return 0;
1889 }
1890
1891 /*! \brief Reload module */
1892 static int reload(void)
1893 {
1894         return 0;
1895 }
1896
1897 /*! \brief Unload the jingle channel from Asterisk */
1898 static int unload_module(void)
1899 {
1900         struct jingle_pvt *privates = NULL;
1901         ast_cli_unregister_multiple(jingle_cli, ARRAY_LEN(jingle_cli));
1902         /* First, take us out of the channel loop */
1903         ast_channel_unregister(&jingle_tech);
1904         ast_rtp_proto_unregister(&jingle_rtp);
1905
1906         if (!ast_mutex_lock(&jinglelock)) {
1907                 /* Hangup all interfaces if they have an owner */
1908                 ASTOBJ_CONTAINER_TRAVERSE(&jingle_list, 1, {
1909                         ASTOBJ_WRLOCK(iterator);
1910                         privates = iterator->p;
1911                         while(privates) {
1912                                 if (privates->owner)
1913                                         ast_softhangup(privates->owner, AST_SOFTHANGUP_APPUNLOAD);
1914                                 privates = privates->next;
1915                         }
1916                         iterator->p = NULL;
1917                         ASTOBJ_UNLOCK(iterator);
1918                 });
1919                 ast_mutex_unlock(&jinglelock);
1920         } else {
1921                 ast_log(LOG_WARNING, "Unable to lock the monitor\n");
1922                 return -1;
1923         }
1924         ASTOBJ_CONTAINER_DESTROYALL(&jingle_list, jingle_member_destroy);
1925         ASTOBJ_CONTAINER_DESTROY(&jingle_list);
1926         return 0;
1927 }
1928
1929 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Jingle Channel Driver",
1930                 .load = load_module,
1931                 .unload = unload_module,
1932                 .reload = reload,
1933                );