diff options
Diffstat (limited to 'channels/chan_jingle.c')
| -rw-r--r-- | channels/chan_jingle.c | 2090 |
1 files changed, 0 insertions, 2090 deletions
diff --git a/channels/chan_jingle.c b/channels/chan_jingle.c deleted file mode 100644 index 68d9848e2..000000000 --- a/channels/chan_jingle.c +++ /dev/null @@ -1,2090 +0,0 @@ -/* - * 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 - * - * Iksemel http://iksemel.jabberstudio.org/ - * - * \ingroup channel_drivers - */ - -/*! \li \ref chan_jingle.c uses the configuration file \ref jingle.conf - * \addtogroup configuration_file - */ - -/*! \page jingle.conf jingle.conf - * \verbinclude jingle.conf.sample - */ - -/*** MODULEINFO - <depend>iksemel</depend> - <depend>res_jabber</depend> - <use type="external">openssl</use> - <defaultenabled>no</defaultenabled> - <support_level>deprecated</support_level> - <replacement>chan_motif</replacement> - ***/ - -#include "asterisk.h" - -ASTERISK_FILE_VERSION(__FILE__, "$Revision$") - -#include <sys/socket.h> -#include <fcntl.h> -#include <netdb.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <sys/signal.h> -#include <iksemel.h> -#include <pthread.h> - -#include "asterisk/lock.h" -#include "asterisk/channel.h" -#include "asterisk/config.h" -#include "asterisk/module.h" -#include "asterisk/pbx.h" -#include "asterisk/sched.h" -#include "asterisk/io.h" -#include "asterisk/rtp_engine.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" -#include "asterisk/stasis_channels.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 = "", - .target_extra = -1, -}; -static struct ast_jb_conf global_jbconf; - -enum jingle_protocol { - AJI_PROTOCOL_UDP, - AJI_PROTOCOL_SSLTCP, -}; - -enum jingle_connect_type { - AJI_CONNECT_HOST, - AJI_CONNECT_PRFLX, - AJI_CONNECT_RELAY, - AJI_CONNECT_SRFLX, -}; - -struct jingle_pvt { - ast_mutex_t lock; /*!< Channel private lock */ - time_t laststun; - struct jingle *parent; /*!< Parent client */ - char sid[100]; - char them[AJI_MAX_JIDLEN]; - char ring[10]; /*!< Message ID of ring */ - iksrule *ringrule; /*!< Rule for matching RING request */ - int initiator; /*!< If we're the initiator */ - int alreadygone; - 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 */ - char audio_content_name[100]; /*!< name attribute of content tag */ - struct ast_rtp_instance *rtp; /*!< RTP audio session */ - char video_content_name[100]; /*!< name attribute of content tag */ - struct ast_rtp_instance *vrtp; /*!< RTP video session */ - struct ast_format_cap *cap; - struct ast_format_cap *jointcap; /*!< Supported capability at both ends (codecs ) */ - struct ast_format_cap *peercap; - struct jingle_pvt *next; /* Next entity */ -}; - -struct jingle_candidate { - unsigned int component; /*!< ex. : 1 for RTP, 2 for RTCP */ - unsigned int foundation; /*!< Function of IP, protocol, type */ - unsigned int generation; - char ip[16]; - unsigned int network; - unsigned int port; - unsigned int priority; - enum jingle_protocol protocol; - char password[100]; - enum jingle_connect_type type; - char ufrag[100]; - unsigned int preference; - 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 */ - struct ast_format_cap *cap; - 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 */ - char parkinglot[AST_MAX_CONTEXT]; /*!< Parkinglot */ -}; - -struct jingle_container { - ASTOBJ_CONTAINER_COMPONENTS(struct jingle); -}; - -static const char desc[] = "Jingle Channel"; -static const char channel_type[] = "Jingle"; - -static struct ast_format_cap *global_capability; - -AST_MUTEX_DEFINE_STATIC(jinglelock); /*!< Protect the interface list (of jingle_pvt's) */ - -/* Forward declarations */ -static struct ast_channel *jingle_request(const char *type, struct ast_format_cap *cap, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor, const char *data, int *cause); -static int jingle_sendtext(struct ast_channel *ast, const char *text); -static int jingle_digit_begin(struct ast_channel *ast, char digit); -static int jingle_digit_end(struct ast_channel *ast, char digit, unsigned int duration); -static int jingle_call(struct ast_channel *ast, const 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); -static char *jingle_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a); -static char *jingle_do_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a); -static void jingle_set_owner(struct jingle_pvt *pvt, struct ast_channel *chan); - -/*! \brief PBX interface structure for channel registration */ -static struct ast_channel_tech jingle_tech = { - .type = "Jingle", - .description = "Jingle Channel Driver", - .requester = jingle_request, - .send_text = jingle_sendtext, - .send_digit_begin = jingle_digit_begin, - .send_digit_end = jingle_digit_end, - .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 ast_sched_context *sched; /*!< The scheduling context */ -static struct io_context *io; /*!< The IO context */ -static struct in_addr __ourip; - -static struct ast_cli_entry jingle_cli[] = { - AST_CLI_DEFINE(jingle_do_reload, "Reload Jingle configuration"), - AST_CLI_DEFINE(jingle_show_channels, "Show Jingle channels"), -}; - - -static char externip[16]; - -static struct jingle_container jingle_list; - -static void jingle_member_destroy(struct jingle *obj) -{ - obj->cap = ast_format_cap_destroy(obj->cap); - if (obj->connection) { - ASTOBJ_UNREF(obj->connection, ast_aji_client_destroy); - } - if (obj->buddy) { - ASTOBJ_UNREF(obj->buddy, ast_aji_buddy_destroy); - } - ast_free(obj); -} - -/* XXX This could be a source of reference leaks given that the CONTAINER_FIND - * macros bump the refcount while the traversal does not. */ -static struct jingle *find_jingle(char *name, char *connection) -{ - struct jingle *jingle = NULL; - - jingle = ASTOBJ_CONTAINER_FIND(&jingle_list, name); - if (!jingle && strchr(name, '@')) - jingle = ASTOBJ_CONTAINER_FIND_FULL(&jingle_list, name, user,,, strcasecmp); - - if (!jingle) { - /* guest call */ - ASTOBJ_CONTAINER_TRAVERSE(&jingle_list, 1, { - ASTOBJ_RDLOCK(iterator); - if (!strcasecmp(iterator->name, "guest")) { - jingle = iterator; - } - ASTOBJ_UNLOCK(iterator); - - if (jingle) - break; - }); - - } - return jingle; -} - - -static void add_codec_to_answer(const struct jingle_pvt *p, struct ast_format *codec, iks *dcodecs) -{ - const 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"); - payload_eg711u = iks_new("payload-type"); - iks_insert_attrib(payload_eg711u, "id", "100"); - iks_insert_attrib(payload_eg711u, "name", "EG711U"); - 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"); - payload_eg711a = iks_new("payload-type"); - iks_insert_attrib(payload_eg711a, "id", "101"); - iks_insert_attrib(payload_eg711a, "name", "EG711A"); - 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", "97"); - iks_insert_attrib(payload_ilbc, "name", "iLBC"); - 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_node(dcodecs, payload_g723); - } -} - -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; - struct ast_format pref_codec; - struct ast_format_cap *alreadysent = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK); - - if (p->initiator || !alreadysent) - return 1; - - iq = iks_new("iq"); - jingle = iks_new(JINGLE_NODE); - dcodecs = iks_new("description"); - if (iq && jingle && dcodecs) { - iks_insert_attrib(dcodecs, "xmlns", JINGLE_AUDIO_RTP_NS); - - for (x = 0; x < AST_CODEC_PREF_SIZE; x++) { - if (!(ast_codec_pref_index(&client->prefs, x, &pref_codec))) - break; - if (!(ast_format_cap_iscompatible(client->cap, &pref_codec))) - continue; - if ((ast_format_cap_iscompatible(alreadysent, &pref_codec))) - continue; - add_codec_to_answer(p, &pref_codec, dcodecs); - ast_format_cap_add(alreadysent, &pref_codec); - } - payload_red = iks_new("payload-type"); - iks_insert_attrib(payload_red, "id", "117"); - iks_insert_attrib(payload_red, "name", "red"); - payload_audio = iks_new("payload-type"); - iks_insert_attrib(payload_audio, "id", "106"); - iks_insert_attrib(payload_audio, "name", "audio/telephone-event"); - payload_cn = iks_new("payload-type"); - iks_insert_attrib(payload_cn, "id", "13"); - iks_insert_attrib(payload_cn, "name", "CN"); - - - iks_insert_attrib(iq, "type", "set"); - iks_insert_attrib(iq, "to", (p->them) ? p->them : client->user); - iks_insert_attrib(iq, "id", client->connection->mid); - ast_aji_increment_mid(client->connection->mid); - - iks_insert_attrib(jingle, "xmlns", JINGLE_NS); - iks_insert_attrib(jingle, "action", JINGLE_ACCEPT); - iks_insert_attrib(jingle, "initiator", p->initiator ? client->connection->jid->full : p->them); - iks_insert_attrib(jingle, JINGLE_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); - - ast_aji_send(c, iq); - - iks_delete(payload_red); - iks_delete(payload_audio); - iks_delete(payload_cn); - iks_delete(dcodecs); - iks_delete(jingle); - iks_delete(iq); - } - alreadysent = ast_format_cap_destroy(alreadysent); - 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_channel_tech_pvt(ast); - struct jingle *client = p->parent; - int res = 0; - - ast_debug(1, "Answer!\n"); - ast_mutex_lock(&p->lock); - jingle_accept_call(client, p); - ast_mutex_unlock(&p->lock); - return res; -} - -static enum ast_rtp_glue_result jingle_get_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance **instance) -{ - struct jingle_pvt *p = ast_channel_tech_pvt(chan); - enum ast_rtp_glue_result res = AST_RTP_GLUE_RESULT_FORBID; - - if (!p) - return res; - - ast_mutex_lock(&p->lock); - if (p->rtp) { - ao2_ref(p->rtp, +1); - *instance = p->rtp; - res = AST_RTP_GLUE_RESULT_LOCAL; - } - ast_mutex_unlock(&p->lock); - - return res; -} - -static void jingle_get_codec(struct ast_channel *chan, struct ast_format_cap *result) -{ - struct jingle_pvt *p = ast_channel_tech_pvt(chan); - ast_mutex_lock(&p->lock); - ast_format_cap_copy(result, p->peercap); - ast_mutex_unlock(&p->lock); -} - -static int jingle_set_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance *rtp, struct ast_rtp_instance *vrtp, struct ast_rtp_instance *tpeer, const struct ast_format_cap *cap, int nat_active) -{ - struct jingle_pvt *p; - - p = ast_channel_tech_pvt(chan); - 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 struct ast_rtp_glue jingle_rtp_glue = { - .type = "Jingle", - .get_rtp_info = jingle_get_rtp_peer, - .get_codec = jingle_get_codec, - .update_peer = jingle_set_rtp_peer, -}; - -static int jingle_response(struct jingle *client, ikspak *pak, const char *reasonstr, const char *reasonstr2) -{ - iks *response = NULL, *error = NULL, *reason = NULL; - int res = -1; - - response = iks_new("iq"); - if (response) { - iks_insert_attrib(response, "type", "result"); - iks_insert_attrib(response, "from", client->connection->jid->full); - iks_insert_attrib(response, "to", iks_find_attrib(pak->x, "from")); - iks_insert_attrib(response, "id", iks_find_attrib(pak->x, "id")); - if (reasonstr) { - error = iks_new("error"); - if (error) { - iks_insert_attrib(error, "type", "cancel"); - reason = iks_new(reasonstr); - if (reason) - iks_insert_node(error, reason); - iks_insert_node(response, error); - } - } - ast_aji_send(client->connection, response); - res = 0; - } - - iks_delete(reason); - iks_delete(error); - iks_delete(response); - - return res; -} - -static int jingle_is_answered(struct jingle *client, ikspak *pak) -{ - struct jingle_pvt *tmp; - - ast_debug(1, "The client is %s\n", client->name); - /* Make sure our new call doesn't exist yet */ - for (tmp = client->p; tmp; tmp = tmp->next) { - if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid)) - break; - } - - if (tmp) { - if (tmp->owner) - ast_queue_control(tmp->owner, AST_CONTROL_ANSWER); - } else - ast_log(LOG_NOTICE, "Whoa, didn't find call!\n"); - jingle_response(client, pak, NULL, NULL); - return 1; -} - -static int jingle_handle_dtmf(struct jingle *client, ikspak *pak) -{ - struct jingle_pvt *tmp; - iks *dtmfnode = NULL, *dtmfchild = NULL; - char *dtmf; - /* Make sure our new call doesn't exist yet */ - for (tmp = client->p; tmp; tmp = tmp->next) { - if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid)) - break; - } - - if (tmp) { - if(iks_find_with_attrib(pak->x, "dtmf-method", "method", "rtp")) { - jingle_response(client,pak, - "feature-not-implemented xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'", - "unsupported-dtmf-method xmlns='http://www.xmpp.org/extensions/xep-0181.html#ns-errors'"); - return -1; - } - if ((dtmfnode = iks_find(pak->x, "dtmf"))) { - if((dtmf = iks_find_attrib(dtmfnode, "code"))) { - if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-up")) { - struct ast_frame f = {AST_FRAME_DTMF_BEGIN, }; - f.subclass.integer = dtmf[0]; - ast_queue_frame(tmp->owner, &f); - ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass.integer); - } else if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-down")) { - struct ast_frame f = {AST_FRAME_DTMF_END, }; - f.subclass.integer = dtmf[0]; - ast_queue_frame(tmp->owner, &f); - ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass.integer); - } else if(iks_find_attrib(pak->x, "dtmf")) { /* 250 millasecond default */ - struct ast_frame f = {AST_FRAME_DTMF, }; - f.subclass.integer = dtmf[0]; - ast_queue_frame(tmp->owner, &f); - ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass.integer); - } - } - } else if ((dtmfnode = iks_find_with_attrib(pak->x, JINGLE_NODE, "action", "session-info"))) { - if((dtmfchild = iks_find(dtmfnode, "dtmf"))) { - if((dtmf = iks_find_attrib(dtmfchild, "code"))) { - if(iks_find_with_attrib(dtmfnode, "dtmf", "action", "button-up")) { - struct ast_frame f = {AST_FRAME_DTMF_END, }; - f.subclass.integer = dtmf[0]; - ast_queue_frame(tmp->owner, &f); - ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass.integer); - } else if(iks_find_with_attrib(dtmfnode, "dtmf", "action", "button-down")) { - struct ast_frame f = {AST_FRAME_DTMF_BEGIN, }; - f.subclass.integer = dtmf[0]; - ast_queue_frame(tmp->owner, &f); - ast_verbose("JINGLE! DTMF-relay event received: %c\n", f.subclass.integer); - } - } - } - } - jingle_response(client, pak, NULL, NULL); - return 1; - } else - ast_log(LOG_NOTICE, "Whoa, didn't find call!\n"); - - jingle_response(client, pak, NULL, NULL); - return 1; -} - - -static int jingle_hangup_farend(struct jingle *client, ikspak *pak) -{ - struct jingle_pvt *tmp; - - ast_debug(1, "The client is %s\n", client->name); - /* Make sure our new call doesn't exist yet */ - for (tmp = client->p; tmp; tmp = tmp->next) { - if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid)) - break; - } - - if (tmp) { - tmp->alreadygone = 1; - if (tmp->owner) - ast_queue_hangup(tmp->owner); - } else - ast_log(LOG_NOTICE, "Whoa, didn't find call!\n"); - jingle_response(client, pak, NULL, NULL); - return 1; -} - -static int jingle_create_candidates(struct jingle *client, struct jingle_pvt *p, char *sid, char *from) -{ - struct jingle_candidate *tmp; - struct aji_client *c = client->connection; - struct jingle_candidate *ours1 = NULL, *ours2 = NULL; - struct sockaddr_in sin = { 0, }; - struct ast_sockaddr sin_tmp; - struct ast_sockaddr us_tmp; - struct ast_sockaddr bindaddr_tmp; - struct in_addr us; - struct in_addr externaddr; - iks *iq, *jingle, *content, *transport, *candidate; - char component[16], foundation[16], generation[16], network[16], pass[16], port[7], priority[16], user[16]; - - - iq = iks_new("iq"); - jingle = iks_new(JINGLE_NODE); - content = iks_new("content"); - transport = iks_new("transport"); - candidate = iks_new("candidate"); - if (!iq || !jingle || !content || !transport || !candidate) { - ast_log(LOG_ERROR, "Memory allocation error\n"); - goto safeout; - } - ours1 = ast_calloc(1, sizeof(*ours1)); - ours2 = ast_calloc(1, sizeof(*ours2)); - if (!ours1 || !ours2) - goto safeout; - - iks_insert_node(iq, jingle); - iks_insert_node(jingle, content); - iks_insert_node(content, transport); - iks_insert_node(transport, candidate); - - for (; p; p = p->next) { - if (!strcasecmp(p->sid, sid)) - break; - } - - if (!p) { - ast_log(LOG_NOTICE, "No matching jingle session - SID %s!\n", sid); - goto safeout; - } - - ast_rtp_instance_get_local_address(p->rtp, &sin_tmp); - ast_sockaddr_to_sin(&sin_tmp, &sin); - ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr); - ast_find_ourip(&us_tmp, &bindaddr_tmp, AF_INET); - us.s_addr = htonl(ast_sockaddr_ipv4(&us_tmp)); - - /* Setup our first jingle candidate */ - ours1->component = 1; - ours1->foundation = (unsigned int)bindaddr.sin_addr.s_addr | AJI_CONNECT_HOST | AJI_PROTOCOL_UDP; - ours1->generation = 0; - ast_copy_string(ours1->ip, ast_inet_ntoa(us), sizeof(ours1->ip)); - ours1->network = 0; - ours1->port = ntohs(sin.sin_port); - ours1->priority = 1678246398; - ours1->protocol = AJI_PROTOCOL_UDP; - snprintf(pass, sizeof(pass), "%08lx%08lx", (unsigned long)ast_random(), (unsigned long)ast_random()); - ast_copy_string(ours1->password, pass, sizeof(ours1->password)); - ours1->type = AJI_CONNECT_HOST; - snprintf(user, sizeof(user), "%08lx%08lx", (unsigned long)ast_random(), (unsigned long)ast_random()); - ast_copy_string(ours1->ufrag, user, sizeof(ours1->ufrag)); - p->ourcandidates = ours1; - - if (!ast_strlen_zero(externip)) { - /* XXX We should really stun for this one not just go with externip XXX */ - if (inet_aton(externip, &externaddr)) - ast_log(LOG_WARNING, "Invalid extern IP : %s\n", externip); - - ours2->component = 1; - ours2->foundation = (unsigned int)externaddr.s_addr | AJI_CONNECT_PRFLX | AJI_PROTOCOL_UDP; - ours2->generation = 0; - ast_copy_string(ours2->ip, externip, sizeof(ours2->ip)); - ours2->network = 0; - ours2->port = ntohs(sin.sin_port); - ours2->priority = 1678246397; - ours2->protocol = AJI_PROTOCOL_UDP; - snprintf(pass, sizeof(pass), "%08lx%08lx", (unsigned long)ast_random(), (unsigned long)ast_random()); - ast_copy_string(ours2->password, pass, sizeof(ours2->password)); - ours2->type = AJI_CONNECT_PRFLX; - - snprintf(user, sizeof(user), "%08lx%08lx", (unsigned long)ast_random(), (unsigned long)ast_random()); - ast_copy_string(ours2->ufrag, user, sizeof(ours2->ufrag)); - ours1->next = ours2; - ours2 = NULL; - } - ours1 = NULL; - - for (tmp = p->ourcandidates; tmp; tmp = tmp->next) { - snprintf(component, sizeof(component), "%u", tmp->component); - snprintf(foundation, sizeof(foundation), "%u", tmp->foundation); - snprintf(generation, sizeof(generation), "%u", tmp->generation); - snprintf(network, sizeof(network), "%u", tmp->network); - snprintf(port, sizeof(port), "%u", tmp->port); - snprintf(priority, sizeof(priority), "%u", tmp->priority); - - iks_insert_attrib(iq, "from", c->jid->full); - iks_insert_attrib(iq, "to", from); - iks_insert_attrib(iq, "type", "set"); - iks_insert_attrib(iq, "id", c->mid); - ast_aji_increment_mid(c->mid); - iks_insert_attrib(jingle, "action", JINGLE_NEGOTIATE); - iks_insert_attrib(jingle, JINGLE_SID, sid); - iks_insert_attrib(jingle, "initiator", (p->initiator) ? c->jid->full : from); - iks_insert_attrib(jingle, "xmlns", JINGLE_NS); - iks_insert_attrib(content, "creator", p->initiator ? "initiator" : "responder"); - iks_insert_attrib(content, "name", "asterisk-audio-content"); - iks_insert_attrib(transport, "xmlns", JINGLE_ICE_UDP_NS); - iks_insert_attrib(candidate, "component", component); - iks_insert_attrib(candidate, "foundation", foundation); - iks_insert_attrib(candidate, "generation", generation); - iks_insert_attrib(candidate, "ip", tmp->ip); - iks_insert_attrib(candidate, "network", network); - iks_insert_attrib(candidate, "port", port); - iks_insert_attrib(candidate, "priority", priority); - switch (tmp->protocol) { - case AJI_PROTOCOL_UDP: - iks_insert_attrib(candidate, "protocol", "udp"); - break; - case AJI_PROTOCOL_SSLTCP: - iks_insert_attrib(candidate, "protocol", "ssltcp"); - break; - } - iks_insert_attrib(candidate, "pwd", tmp->password); - switch (tmp->type) { - case AJI_CONNECT_HOST: - iks_insert_attrib(candidate, "type", "host"); - break; - case AJI_CONNECT_PRFLX: - iks_insert_attrib(candidate, "type", "prflx"); - break; - case AJI_CONNECT_RELAY: - iks_insert_attrib(candidate, "type", "relay"); - break; - case AJI_CONNECT_SRFLX: - iks_insert_attrib(candidate, "type", "srflx"); - break; - } - iks_insert_attrib(candidate, "ufrag", tmp->ufrag); - - ast_aji_send(c, iq); - } - p->laststun = 0; - -safeout: - if (ours1) - ast_free(ours1); - if (ours2) - ast_free(ours2); - iks_delete(iq); - iks_delete(jingle); - iks_delete(content); - iks_delete(transport); - iks_delete(candidate); - - return 1; -} - -static struct jingle_pvt *jingle_alloc(struct jingle *client, const char *from, const char *sid) -{ - struct jingle_pvt *tmp = NULL; - struct aji_resource *resources = NULL; - struct aji_buddy *buddy = NULL; - char idroster[200]; - struct ast_sockaddr bindaddr_tmp; - - ast_debug(1, "The client is %s for alloc\n", client->name); - if (!sid && !strchr(from, '/')) { /* I started call! */ - if (!strcasecmp(client->name, "guest")) { - buddy = ASTOBJ_CONTAINER_FIND(&client->connection->buddies, from); - if (buddy) { - resources = buddy->resources; - } - } else if (client->buddy) - resources = client->buddy->resources; - while (resources) { - if (resources->cap->jingle) { - break; - } - resources = resources->next; - } - if (resources) - snprintf(idroster, sizeof(idroster), "%s/%s", from, resources->resource); - else { - ast_log(LOG_ERROR, "no jingle capable clients to talk to.\n"); - if (buddy) { - ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy); - } - return NULL; - } - if (buddy) { - ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy); - } - } - if (!(tmp = ast_calloc(1, sizeof(*tmp)))) { - return NULL; - } - - tmp->cap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK); - tmp->jointcap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK); - tmp->peercap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK); - if (!tmp->cap || !tmp->jointcap || !tmp->peercap) { - tmp->cap = ast_format_cap_destroy(tmp->cap); - tmp->jointcap = ast_format_cap_destroy(tmp->jointcap); - tmp->peercap = ast_format_cap_destroy(tmp->peercap); - ast_free(tmp); - return NULL; - } - memcpy(&tmp->prefs, &client->prefs, sizeof(tmp->prefs)); - - if (sid) { - ast_copy_string(tmp->sid, sid, sizeof(tmp->sid)); - ast_copy_string(tmp->them, from, sizeof(tmp->them)); - } else { - snprintf(tmp->sid, sizeof(tmp->sid), "%08lx%08lx", (unsigned long)ast_random(), (unsigned long)ast_random()); - ast_copy_string(tmp->them, idroster, sizeof(tmp->them)); - tmp->initiator = 1; - } - ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr); - tmp->rtp = ast_rtp_instance_new("asterisk", sched, &bindaddr_tmp, NULL); - tmp->parent = client; - if (!tmp->rtp) { - ast_log(LOG_WARNING, "Out of RTP sessions?\n"); - ast_free(tmp); - return NULL; - } - ast_copy_string(tmp->exten, "s", sizeof(tmp->exten)); - ast_mutex_init(&tmp->lock); - ast_mutex_lock(&jinglelock); - tmp->next = client->p; - client->p = tmp; - ast_mutex_unlock(&jinglelock); - return tmp; -} - -static void jingle_set_owner(struct jingle_pvt *pvt, struct ast_channel *chan) -{ - pvt->owner = chan; - if (pvt->rtp) { - ast_rtp_instance_set_channel_id(pvt->rtp, pvt->owner ? ast_channel_uniqueid(pvt->owner) : ""); - } - if (pvt->vrtp) { - ast_rtp_instance_set_channel_id(pvt->vrtp, pvt->owner ? ast_channel_uniqueid(pvt->owner) : ""); - } -} - -/*! \brief Start new jingle channel */ -static struct ast_channel *jingle_new(struct jingle *client, struct jingle_pvt *i, int state, const char *title, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor) -{ - struct ast_channel *tmp; - struct ast_format_cap *what; /* SHALLOW COPY DO NOT DESTROY */ - struct ast_format tmpfmt; - const char *str; - - if (title) - str = title; - else - str = i->them; - tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, "", "", "", assignedids, requestor, 0, "Jingle/%s-%04lx", str, ast_random() & 0xffff); - if (!tmp) { - ast_log(LOG_WARNING, "Unable to allocate Jingle channel structure!\n"); - return NULL; - } - - ast_channel_stage_snapshot(tmp); - - ast_channel_tech_set(tmp, &jingle_tech); - - /* Select our native format based on codec preference until we receive - something from another device to the contrary. */ - if (!ast_format_cap_is_empty(i->jointcap)) - what = i->jointcap; - else if (!(ast_format_cap_is_empty(i->cap))) - what = i->cap; - else - what = global_capability; - - /* Set Frame packetization */ - if (i->rtp) - ast_rtp_codecs_packetization_set(ast_rtp_instance_get_codecs(i->rtp), i->rtp, &i->prefs); - - ast_codec_choose(&i->prefs, what, 1, &tmpfmt); - ast_format_cap_add(ast_channel_nativeformats(tmp), &tmpfmt); - - ast_format_cap_iter_start(i->jointcap); - while (!(ast_format_cap_iter_next(i->jointcap, &tmpfmt))) { - if (AST_FORMAT_GET_TYPE(tmpfmt.id) == AST_FORMAT_TYPE_VIDEO) { - ast_format_cap_add(ast_channel_nativeformats(tmp), &tmpfmt); - } - } - ast_format_cap_iter_end(i->jointcap); - - if (i->rtp) { - ast_channel_set_fd(tmp, 0, ast_rtp_instance_fd(i->rtp, 0)); - ast_channel_set_fd(tmp, 1, ast_rtp_instance_fd(i->rtp, 1)); - } - if (i->vrtp) { - ast_channel_set_fd(tmp, 2, ast_rtp_instance_fd(i->vrtp, 0)); - ast_channel_set_fd(tmp, 3, ast_rtp_instance_fd(i->vrtp, 1)); - } - if (state == AST_STATE_RING) - ast_channel_rings_set(tmp, 1); - ast_channel_adsicpe_set(tmp, AST_ADSI_UNAVAILABLE); - - - ast_best_codec(ast_channel_nativeformats(tmp), &tmpfmt); - ast_format_copy(ast_channel_writeformat(tmp), &tmpfmt); - ast_format_copy(ast_channel_rawwriteformat(tmp), &tmpfmt); - ast_format_copy(ast_channel_readformat(tmp), &tmpfmt); - ast_format_copy(ast_channel_rawreadformat(tmp), &tmpfmt); - ast_channel_tech_pvt_set(tmp, i); - - ast_channel_callgroup_set(tmp, client->callgroup); - ast_channel_pickupgroup_set(tmp, client->pickupgroup); - ast_channel_caller(tmp)->id.name.presentation = client->callingpres; - ast_channel_caller(tmp)->id.number.presentation = client->callingpres; - if (!ast_strlen_zero(client->accountcode)) - ast_channel_accountcode_set(tmp, client->accountcode); - if (client->amaflags) - ast_channel_amaflags_set(tmp, client->amaflags); - if (!ast_strlen_zero(client->language)) - ast_channel_language_set(tmp, client->language); - if (!ast_strlen_zero(client->musicclass)) - ast_channel_musicclass_set(tmp, client->musicclass); - jingle_set_owner(i, tmp); - ast_channel_context_set(tmp, client->context); - ast_channel_exten_set(tmp, i->exten); - /* Don't use ast_set_callerid() here because it will - * generate an unnecessary NewCallerID event */ - if (!ast_strlen_zero(i->cid_num)) { - ast_channel_caller(tmp)->ani.number.valid = 1; - ast_channel_caller(tmp)->ani.number.str = ast_strdup(i->cid_num); - } - if (!ast_strlen_zero(i->exten) && strcmp(i->exten, "s")) { - ast_channel_dialed(tmp)->number.str = ast_strdup(i->exten); - } - ast_channel_priority_set(tmp, 1); - if (i->rtp) - ast_jb_configure(tmp, &global_jbconf); - - ast_channel_stage_snapshot_done(tmp); - ast_channel_unlock(tmp); - - if (state != AST_STATE_DOWN && ast_pbx_start(tmp)) { - ast_log(LOG_WARNING, "Unable to start PBX on %s\n", ast_channel_name(tmp)); - ast_channel_hangupcause_set(tmp, AST_CAUSE_SWITCH_CONGESTION); - ast_hangup(tmp); - tmp = NULL; - } - - return tmp; -} - -static int jingle_action(struct jingle *client, struct jingle_pvt *p, const char *action) -{ - iks *iq, *jingle = NULL; - int res = -1; - - iq = iks_new("iq"); - jingle = iks_new("jingle"); - - if (iq) { - iks_insert_attrib(iq, "type", "set"); - iks_insert_attrib(iq, "from", client->connection->jid->full); - iks_insert_attrib(iq, "to", p->them); - iks_insert_attrib(iq, "id", client->connection->mid); - ast_aji_increment_mid(client->connection->mid); - if (jingle) { - iks_insert_attrib(jingle, "action", action); - iks_insert_attrib(jingle, JINGLE_SID, p->sid); - iks_insert_attrib(jingle, "initiator", p->initiator ? client->connection->jid->full : p->them); - iks_insert_attrib(jingle, "xmlns", JINGLE_NS); - - iks_insert_node(iq, jingle); - - ast_aji_send(client->connection, iq); - res = 0; - } - } - - iks_delete(jingle); - iks_delete(iq); - - return res; -} - -static void jingle_free_candidates(struct jingle_candidate *candidate) -{ - struct jingle_candidate *last; - while (candidate) { - last = candidate; - candidate = candidate->next; - ast_free(last); - } -} - -static void jingle_free_pvt(struct jingle *client, struct jingle_pvt *p) -{ - struct jingle_pvt *cur, *prev = NULL; - cur = client->p; - while (cur) { - if (cur == p) { - if (prev) - prev->next = p->next; - else - client->p = p->next; - break; - } - prev = cur; - cur = cur->next; - } - if (p->ringrule) - iks_filter_remove_rule(p->parent->connection->f, p->ringrule); - if (p->owner) - ast_log(LOG_WARNING, "Uh oh, there's an owner, this is going to be messy.\n"); - if (p->rtp) - ast_rtp_instance_destroy(p->rtp); - if (p->vrtp) - ast_rtp_instance_destroy(p->vrtp); - jingle_free_candidates(p->theircandidates); - p->cap = ast_format_cap_destroy(p->cap); - p->jointcap = ast_format_cap_destroy(p->jointcap); - p->peercap = ast_format_cap_destroy(p->peercap); - - ast_free(p); -} - - -static int jingle_newcall(struct jingle *client, ikspak *pak) -{ - struct jingle_pvt *p, *tmp = client->p; - struct ast_channel *chan; - int res; - iks *codec, *content, *description; - char *from = NULL; - - /* Make sure our new call doesn't exist yet */ - from = iks_find_attrib(pak->x,"to"); - if(!from) - from = client->connection->jid->full; - - while (tmp) { - if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid)) { - ast_log(LOG_NOTICE, "Ignoring duplicate call setup on SID %s\n", tmp->sid); - jingle_response(client, pak, "out-of-order", NULL); - return -1; - } - tmp = tmp->next; - } - - if (!strcasecmp(client->name, "guest")){ - /* the guest account is not tied to any configured XMPP client, - let's set it now */ - if (client->connection) { - ASTOBJ_UNREF(client->connection, ast_aji_client_destroy); - } - client->connection = ast_aji_get_client(from); - if (!client->connection) { - ast_log(LOG_ERROR, "No XMPP client to talk to, us (partial JID) : %s\n", from); - return -1; - } - } - - p = jingle_alloc(client, pak->from->partial, iks_find_attrib(pak->query, JINGLE_SID)); - if (!p) { - ast_log(LOG_WARNING, "Unable to allocate jingle structure!\n"); - return -1; - } - chan = jingle_new(client, p, AST_STATE_DOWN, pak->from->user, NULL, NULL); - if (!chan) { - jingle_free_pvt(client, p); - return -1; - } - ast_mutex_lock(&p->lock); - ast_copy_string(p->them, pak->from->full, sizeof(p->them)); - if (iks_find_attrib(pak->query, JINGLE_SID)) { - ast_copy_string(p->sid, iks_find_attrib(pak->query, JINGLE_SID), - sizeof(p->sid)); - } - - /* content points to the first <content/> tag */ - content = iks_child(iks_child(pak->x)); - while (content) { - description = iks_find_with_attrib(content, "description", "xmlns", JINGLE_AUDIO_RTP_NS); - if (description) { - /* audio content found */ - codec = iks_child(iks_child(content)); - ast_copy_string(p->audio_content_name, iks_find_attrib(content, "name"), sizeof(p->audio_content_name)); - - while (codec) { - ast_rtp_codecs_payloads_set_m_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(iks_find_attrib(codec, "id"))); - ast_rtp_codecs_payloads_set_rtpmap_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(iks_find_attrib(codec, "id")), "audio", iks_find_attrib(codec, "name"), 0); - codec = iks_next(codec); - } - } - - description = NULL; - codec = NULL; - - description = iks_find_with_attrib(content, "description", "xmlns", JINGLE_VIDEO_RTP_NS); - if (description) { - /* video content found */ - codec = iks_child(iks_child(content)); - ast_copy_string(p->video_content_name, iks_find_attrib(content, "name"), sizeof(p->video_content_name)); - - while (codec) { - ast_rtp_codecs_payloads_set_m_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(iks_find_attrib(codec, "id"))); - ast_rtp_codecs_payloads_set_rtpmap_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(iks_find_attrib(codec, "id")), "audio", iks_find_attrib(codec, "name"), 0); - codec = iks_next(codec); - } - } - - content = iks_next(content); - } - - ast_mutex_unlock(&p->lock); - ast_channel_lock(chan); - ast_setstate(chan, AST_STATE_RING); - ast_channel_unlock(chan); - res = ast_pbx_start(chan); - - switch (res) { - case AST_PBX_FAILED: - ast_log(LOG_WARNING, "Failed to start PBX :(\n"); - jingle_response(client, pak, "service-unavailable", NULL); - break; - case AST_PBX_CALL_LIMIT: - ast_log(LOG_WARNING, "Failed to start PBX (call limit reached) \n"); - jingle_response(client, pak, "service-unavailable", NULL); - break; - case AST_PBX_SUCCESS: - jingle_response(client, pak, NULL, NULL); - jingle_create_candidates(client, p, - iks_find_attrib(pak->query, JINGLE_SID), - iks_find_attrib(pak->x, "from")); - /* nothing to do */ - break; - } - - return 1; -} - -static int jingle_update_stun(struct jingle *client, struct jingle_pvt *p) -{ - struct jingle_candidate *tmp; - struct hostent *hp; - struct ast_hostent ahp; - struct sockaddr_in sin; - struct ast_sockaddr sin_tmp; - - if (time(NULL) == p->laststun) - return 0; - - tmp = p->theircandidates; - p->laststun = time(NULL); - while (tmp) { - char username[256]; - hp = ast_gethostbyname(tmp->ip, &ahp); - sin.sin_family = AF_INET; - memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr)); - sin.sin_port = htons(tmp->port); - snprintf(username, sizeof(username), "%s:%s", tmp->ufrag, p->ourcandidates->ufrag); - - ast_sockaddr_from_sin(&sin_tmp, &sin); - ast_rtp_instance_stun_request(p->rtp, &sin_tmp, username); - tmp = tmp->next; - } - return 1; -} - -static int jingle_add_candidate(struct jingle *client, ikspak *pak) -{ - struct jingle_pvt *p = NULL, *tmp = NULL; - struct aji_client *c = client->connection; - struct jingle_candidate *newcandidate = NULL; - iks *traversenodes = NULL, *receipt = NULL; - - for (tmp = client->p; tmp; tmp = tmp->next) { - if (iks_find_with_attrib(pak->x, JINGLE_NODE, JINGLE_SID, tmp->sid)) { - p = tmp; - break; - } - } - - if (!p) - return -1; - - traversenodes = pak->query; - while(traversenodes) { - if(!strcasecmp(iks_name(traversenodes), "jingle")) { - traversenodes = iks_child(traversenodes); - continue; - } - if(!strcasecmp(iks_name(traversenodes), "content")) { - traversenodes = iks_child(traversenodes); - continue; - } - if(!strcasecmp(iks_name(traversenodes), "transport")) { - traversenodes = iks_child(traversenodes); - continue; - } - - if(!strcasecmp(iks_name(traversenodes), "candidate")) { - newcandidate = ast_calloc(1, sizeof(*newcandidate)); - if (!newcandidate) - return 0; - ast_copy_string(newcandidate->ip, iks_find_attrib(traversenodes, "ip"), sizeof(newcandidate->ip)); - newcandidate->port = atoi(iks_find_attrib(traversenodes, "port")); - ast_copy_string(newcandidate->password, iks_find_attrib(traversenodes, "pwd"), sizeof(newcandidate->password)); - if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "udp")) - newcandidate->protocol = AJI_PROTOCOL_UDP; - else if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "ssltcp")) - newcandidate->protocol = AJI_PROTOCOL_SSLTCP; - - if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "host")) - newcandidate->type = AJI_CONNECT_HOST; - else if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "prflx")) - newcandidate->type = AJI_CONNECT_PRFLX; - else if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "relay")) - newcandidate->type = AJI_CONNECT_RELAY; - else if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "srflx")) - newcandidate->type = AJI_CONNECT_SRFLX; - - newcandidate->network = atoi(iks_find_attrib(traversenodes, "network")); - newcandidate->generation = atoi(iks_find_attrib(traversenodes, "generation")); - newcandidate->next = NULL; - - newcandidate->next = p->theircandidates; - p->theircandidates = newcandidate; - p->laststun = 0; - jingle_update_stun(p->parent, p); - newcandidate = NULL; - } - traversenodes = iks_next(traversenodes); - } - - receipt = iks_new("iq"); - iks_insert_attrib(receipt, "type", "result"); - iks_insert_attrib(receipt, "from", c->jid->full); - iks_insert_attrib(receipt, "to", iks_find_attrib(pak->x, "from")); - iks_insert_attrib(receipt, "id", iks_find_attrib(pak->x, "id")); - ast_aji_send(c, receipt); - - iks_delete(receipt); - - return 1; -} - -static struct ast_frame *jingle_rtp_read(struct ast_channel *ast, struct jingle_pvt *p) -{ - struct ast_frame *f; - - if (!p->rtp) - return &ast_null_frame; - f = ast_rtp_instance_read(p->rtp, 0); - jingle_update_stun(p->parent, p); - if (p->owner) { - /* We already hold the channel lock */ - if (f->frametype == AST_FRAME_VOICE) { - if (!(ast_format_cap_iscompatible(ast_channel_nativeformats(p->owner), &f->subclass.format))) { - ast_debug(1, "Oooh, format changed to %s\n", ast_getformatname(&f->subclass.format)); - ast_format_cap_remove_bytype(ast_channel_nativeformats(p->owner), AST_FORMAT_TYPE_AUDIO); - ast_format_cap_add(ast_channel_nativeformats(p->owner), &f->subclass.format); - ast_set_read_format(p->owner, ast_channel_readformat(p->owner)); - ast_set_write_format(p->owner, ast_channel_writeformat(p->owner)); - } -/* if ((ast_test_flag(p, SIP_DTMF) == SIP_DTMF_INBAND) && p->vad) { - f = ast_dsp_process(p->owner, p->vad, f); - if (f && (f->frametype == AST_FRAME_DTMF)) - ast_debug(1, "* Detected inband DTMF '%c'\n", f->subclass.codec); - } */ - } - } - return f; -} - -static struct ast_frame *jingle_read(struct ast_channel *ast) -{ - struct ast_frame *fr; - struct jingle_pvt *p = ast_channel_tech_pvt(ast); - - ast_mutex_lock(&p->lock); - fr = jingle_rtp_read(ast, p); - ast_mutex_unlock(&p->lock); - return fr; -} - -/*! \brief Send frame to media channel (rtp) */ -static int jingle_write(struct ast_channel *ast, struct ast_frame *frame) -{ - struct jingle_pvt *p = ast_channel_tech_pvt(ast); - int res = 0; - char buf[256]; - - switch (frame->frametype) { - case AST_FRAME_VOICE: - if (!(ast_format_cap_iscompatible(ast_channel_nativeformats(ast), &frame->subclass.format))) { - ast_log(LOG_WARNING, - "Asked to transmit frame type %s, while native formats is %s (read/write = %s/%s)\n", - ast_getformatname(&frame->subclass.format), - ast_getformatname_multiple(buf, sizeof(buf), ast_channel_nativeformats(ast)), - ast_getformatname(ast_channel_readformat(ast)), - ast_getformatname(ast_channel_writeformat(ast))); - return 0; - } - if (p) { - ast_mutex_lock(&p->lock); - if (p->rtp) { - res = ast_rtp_instance_write(p->rtp, frame); - } - ast_mutex_unlock(&p->lock); - } - break; - case AST_FRAME_VIDEO: - if (p) { - ast_mutex_lock(&p->lock); - if (p->vrtp) { - res = ast_rtp_instance_write(p->vrtp, frame); - } - ast_mutex_unlock(&p->lock); - } - break; - case AST_FRAME_IMAGE: - return 0; - break; - default: - ast_log(LOG_WARNING, "Can't send %u type frames with Jingle write\n", - frame->frametype); - return 0; - } - - return res; -} - -static int jingle_fixup(struct ast_channel *oldchan, struct ast_channel *newchan) -{ - struct jingle_pvt *p = ast_channel_tech_pvt(newchan); - ast_mutex_lock(&p->lock); - - if ((p->owner != oldchan)) { - ast_mutex_unlock(&p->lock); - return -1; - } - if (p->owner == oldchan) { - jingle_set_owner(p, newchan); - } - ast_mutex_unlock(&p->lock); - return 0; -} - -static int jingle_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen) -{ - int res = 0; - - switch (condition) { - case AST_CONTROL_HOLD: - ast_moh_start(ast, data, NULL); - break; - case AST_CONTROL_UNHOLD: - ast_moh_stop(ast); - break; - default: - ast_log(LOG_NOTICE, "Don't know how to indicate condition '%d'\n", condition); - /* fallthrough */ - case AST_CONTROL_PVT_CAUSE_CODE: - res = -1; - } - - return res; -} - -static int jingle_sendtext(struct ast_channel *chan, const char *text) -{ - int res = 0; - struct aji_client *client = NULL; - struct jingle_pvt *p = ast_channel_tech_pvt(chan); - - - if (!p->parent) { - ast_log(LOG_ERROR, "Parent channel not found\n"); - return -1; - } - if (!p->parent->connection) { - ast_log(LOG_ERROR, "XMPP client not found\n"); - return -1; - } - client = p->parent->connection; - res = ast_aji_send_chat(client, p->them, text); - return res; -} - -static int jingle_digit(struct ast_channel *ast, char digit, unsigned int duration) -{ - struct jingle_pvt *p = ast_channel_tech_pvt(ast); - struct jingle *client = p->parent; - iks *iq, *jingle, *dtmf; - char buffer[2] = {digit, '\0'}; - iq = iks_new("iq"); - jingle = iks_new("jingle"); - dtmf = iks_new("dtmf"); - if(!iq || !jingle || !dtmf) { - iks_delete(iq); - iks_delete(jingle); - iks_delete(dtmf); - ast_log(LOG_ERROR, "Did not send dtmf do to memory issue\n"); - return -1; - } - - iks_insert_attrib(iq, "type", "set"); - iks_insert_attrib(iq, "to", p->them); - iks_insert_attrib(iq, "from", client->connection->jid->full); - iks_insert_attrib(iq, "id", client->connection->mid); - ast_aji_increment_mid(client->connection->mid); - iks_insert_attrib(jingle, "xmlns", JINGLE_NS); - iks_insert_attrib(jingle, "action", "session-info"); - iks_insert_attrib(jingle, "initiator", p->initiator ? client->connection->jid->full : p->them); - iks_insert_attrib(jingle, "sid", p->sid); - iks_insert_attrib(dtmf, "xmlns", JINGLE_DTMF_NS); - iks_insert_attrib(dtmf, "code", buffer); - iks_insert_node(iq, jingle); - iks_insert_node(jingle, dtmf); - - ast_mutex_lock(&p->lock); - if (ast_channel_dtmff(ast)->frametype == AST_FRAME_DTMF_BEGIN || duration == 0) { - iks_insert_attrib(dtmf, "action", "button-down"); - } else if (ast_channel_dtmff(ast)->frametype == AST_FRAME_DTMF_END || duration != 0) { - iks_insert_attrib(dtmf, "action", "button-up"); - } - ast_aji_send(client->connection, iq); - - iks_delete(iq); - iks_delete(jingle); - iks_delete(dtmf); - ast_mutex_unlock(&p->lock); - return 0; -} - -static int jingle_digit_begin(struct ast_channel *chan, char digit) -{ - return jingle_digit(chan, digit, 0); -} - -static int jingle_digit_end(struct ast_channel *ast, char digit, unsigned int duration) -{ - return jingle_digit(ast, digit, duration); -} - -static int jingle_sendhtml(struct ast_channel *ast, int subclass, const char *data, int datalen) -{ - ast_log(LOG_NOTICE, "XXX Implement jingle sendhtml XXX\n"); - - return -1; -} -static int jingle_transmit_invite(struct jingle_pvt *p) -{ - struct jingle *aux = NULL; - struct aji_client *client = NULL; - iks *iq, *jingle, *content, *description, *transport; - iks *payload_eg711u, *payload_pcmu; - - aux = p->parent; - client = aux->connection; - iq = iks_new("iq"); - jingle = iks_new(JINGLE_NODE); - content = iks_new("content"); - description = iks_new("description"); - transport = iks_new("transport"); - payload_pcmu = iks_new("payload-type"); - payload_eg711u = iks_new("payload-type"); - - ast_copy_string(p->audio_content_name, "asterisk-audio-content", sizeof(p->audio_content_name)); - - iks_insert_attrib(iq, "type", "set"); - iks_insert_attrib(iq, "to", p->them); - iks_insert_attrib(iq, "from", client->jid->full); - iks_insert_attrib(iq, "id", client->mid); - ast_aji_increment_mid(client->mid); - iks_insert_attrib(jingle, "action", JINGLE_INITIATE); - iks_insert_attrib(jingle, JINGLE_SID, p->sid); - iks_insert_attrib(jingle, "initiator", client->jid->full); - iks_insert_attrib(jingle, "xmlns", JINGLE_NS); - - /* For now, we only send one audio based content */ - iks_insert_attrib(content, "creator", "initiator"); - iks_insert_attrib(content, "name", p->audio_content_name); - iks_insert_attrib(content, "profile", "RTP/AVP"); - iks_insert_attrib(description, "xmlns", JINGLE_AUDIO_RTP_NS); - iks_insert_attrib(transport, "xmlns", JINGLE_ICE_UDP_NS); - iks_insert_attrib(payload_pcmu, "id", "0"); - iks_insert_attrib(payload_pcmu, "name", "PCMU"); - iks_insert_attrib(payload_eg711u, "id", "100"); - iks_insert_attrib(payload_eg711u, "name", "EG711U"); - iks_insert_node(description, payload_pcmu); - iks_insert_node(description, payload_eg711u); - iks_insert_node(content, description); - iks_insert_node(content, transport); - iks_insert_node(jingle, content); - iks_insert_node(iq, jingle); - - ast_aji_send(client, iq); - - iks_delete(iq); - iks_delete(jingle); - iks_delete(content); - iks_delete(description); - iks_delete(transport); - iks_delete(payload_eg711u); - iks_delete(payload_pcmu); - return 0; -} - -/* Not in use right now. -static int jingle_auto_congest(void *nothing) -{ - struct jingle_pvt *p = nothing; - - ast_mutex_lock(&p->lock); - if (p->owner) { - if (!ast_channel_trylock(p->owner)) { - ast_log(LOG_NOTICE, "Auto-congesting %s\n", p->owner->name); - ast_queue_control(p->owner, AST_CONTROL_CONGESTION); - ast_channel_unlock(p->owner); - } - } - ast_mutex_unlock(&p->lock); - return 0; -} -*/ - -/*! \brief Initiate new call, part of PBX interface - * dest is the dial string */ -static int jingle_call(struct ast_channel *ast, const char *dest, int timeout) -{ - struct jingle_pvt *p = ast_channel_tech_pvt(ast); - - if ((ast_channel_state(ast) != AST_STATE_DOWN) && (ast_channel_state(ast) != AST_STATE_RESERVED)) { - ast_log(LOG_WARNING, "jingle_call called on %s, neither down nor reserved\n", ast_channel_name(ast)); - return -1; - } - - ast_setstate(ast, AST_STATE_RING); - ast_format_cap_copy(p->jointcap, p->cap); - if (!p->ringrule) { - ast_copy_string(p->ring, p->parent->connection->mid, sizeof(p->ring)); - p->ringrule = iks_filter_add_rule(p->parent->connection->f, jingle_ringing_ack, p, - IKS_RULE_ID, p->ring, IKS_RULE_DONE); - } else - ast_log(LOG_WARNING, "Whoa, already have a ring rule!\n"); - - jingle_transmit_invite(p); - jingle_create_candidates(p->parent, p, p->sid, p->them); - - return 0; -} - -/*! \brief Hangup a call through the jingle proxy channel */ -static int jingle_hangup(struct ast_channel *ast) -{ - struct jingle_pvt *p = ast_channel_tech_pvt(ast); - struct jingle *client; - - ast_mutex_lock(&p->lock); - client = p->parent; - jingle_set_owner(p, NULL); - ast_channel_tech_pvt_set(ast, NULL); - if (!p->alreadygone) - jingle_action(client, p, JINGLE_TERMINATE); - ast_mutex_unlock(&p->lock); - - jingle_free_pvt(client, p); - - return 0; -} - -/*! \brief Part of PBX interface */ -static struct ast_channel *jingle_request(const char *type, struct ast_format_cap *cap, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor, const char *data, int *cause) -{ - struct jingle_pvt *p = NULL; - struct jingle *client = NULL; - char *sender = NULL, *to = NULL, *s = NULL; - struct ast_channel *chan = NULL; - - if (data) { - s = ast_strdupa(data); - sender = strsep(&s, "/"); - if (sender && (sender[0] != '\0')) - to = strsep(&s, "/"); - if (!to) { - ast_log(LOG_ERROR, "Bad arguments in Jingle Dialstring: %s\n", data); - return NULL; - } - if (!to) { - ast_log(LOG_ERROR, "Bad arguments in Jingle Dialstring: %s\n", (char*) data); - return NULL; - } - } - - client = find_jingle(to, sender); - if (!client) { - ast_log(LOG_WARNING, "Could not find recipient.\n"); - return NULL; - } - if (!strcasecmp(client->name, "guest")){ - /* the guest account is not tied to any configured XMPP client, - let's set it now */ - if (client->connection) { - ASTOBJ_UNREF(client->connection, ast_aji_client_destroy); - } - client->connection = ast_aji_get_client(sender); - if (!client->connection) { - ast_log(LOG_ERROR, "No XMPP client to talk to, us (partial JID) : %s\n", sender); - return NULL; - } - } - - ASTOBJ_WRLOCK(client); - p = jingle_alloc(client, to, NULL); - if (p) - chan = jingle_new(client, p, AST_STATE_DOWN, to, assignedids, requestor); - ASTOBJ_UNLOCK(client); - - return chan; -} - -/*! \brief CLI command "jingle show channels" */ -static char *jingle_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) -{ -#define FORMAT "%-30.30s %-30.30s %-15.15s %-5.5s %-5.5s \n" - struct jingle_pvt *p; - struct ast_channel *chan; - int numchans = 0; - char them[AJI_MAX_JIDLEN]; - char *jid = NULL; - char *resource = NULL; - - switch (cmd) { - case CLI_INIT: - e->command = "jingle show channels"; - e->usage = - "Usage: jingle show channels\n" - " Shows current state of the Jingle channels.\n"; - return NULL; - case CLI_GENERATE: - return NULL; - } - - if (a->argc != 3) - return CLI_SHOWUSAGE; - - ast_mutex_lock(&jinglelock); - ast_cli(a->fd, FORMAT, "Channel", "Jabber ID", "Resource", "Read", "Write"); - ASTOBJ_CONTAINER_TRAVERSE(&jingle_list, 1, { - ASTOBJ_WRLOCK(iterator); - p = iterator->p; - while(p) { - chan = p->owner; - ast_copy_string(them, p->them, sizeof(them)); - jid = them; - resource = strchr(them, '/'); - if (!resource) - resource = "None"; - else { - *resource = '\0'; - resource ++; - } - if (chan) - ast_cli(a->fd, FORMAT, - ast_channel_name(chan), - jid, - resource, - ast_getformatname(ast_channel_readformat(chan)), - ast_getformatname(ast_channel_writeformat(chan)) - ); - else - ast_log(LOG_WARNING, "No available channel\n"); - numchans ++; - p = p->next; - } - ASTOBJ_UNLOCK(iterator); - }); - - ast_mutex_unlock(&jinglelock); - - ast_cli(a->fd, "%d active jingle channel%s\n", numchans, (numchans != 1) ? "s" : ""); - return CLI_SUCCESS; -#undef FORMAT -} - -/*! \brief CLI command "jingle reload" */ -static char *jingle_do_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) -{ - switch (cmd) { - case CLI_INIT: - e->command = "jingle reload"; - e->usage = - "Usage: jingle reload\n" - " Reload jingle channel driver.\n"; - return NULL; - case CLI_GENERATE: - return NULL; - } - - return CLI_SUCCESS; -} - -static int jingle_parser(void *data, ikspak *pak) -{ - struct jingle *client = ASTOBJ_REF((struct jingle *) data); - ast_log(LOG_NOTICE, "Filter matched\n"); - - if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_INITIATE)) { - /* New call */ - jingle_newcall(client, pak); - } else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_NEGOTIATE)) { - ast_debug(3, "About to add candidate!\n"); - jingle_add_candidate(client, pak); - ast_debug(3, "Candidate Added!\n"); - } else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_ACCEPT)) { - jingle_is_answered(client, pak); - } else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_INFO)) { - jingle_handle_dtmf(client, pak); - } else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", JINGLE_TERMINATE)) { - jingle_hangup_farend(client, pak); - } else if (iks_find_with_attrib(pak->x, JINGLE_NODE, "action", "reject")) { - jingle_hangup_farend(client, pak); - } - ASTOBJ_UNREF(client, jingle_member_destroy); - return IKS_FILTER_EAT; -} -/* Not using this anymore probably take out soon -static struct jingle_candidate *jingle_create_candidate(char *args) -{ - char *name, *type, *preference, *protocol; - struct jingle_candidate *res; - res = ast_calloc(1, sizeof(*res)); - if (args) - name = args; - if ((args = strchr(args, ','))) { - *args = '\0'; - args++; - preference = args; - } - if ((args = strchr(args, ','))) { - *args = '\0'; - args++; - protocol = args; - } - if ((args = strchr(args, ','))) { - *args = '\0'; - args++; - type = args; - } - if (name) - ast_copy_string(res->name, name, sizeof(res->name)); - if (preference) { - res->preference = atof(preference); - } - if (protocol) { - if (!strcasecmp("udp", protocol)) - res->protocol = AJI_PROTOCOL_UDP; - if (!strcasecmp("ssltcp", protocol)) - res->protocol = AJI_PROTOCOL_SSLTCP; - } - if (type) { - if (!strcasecmp("host", type)) - res->type = AJI_CONNECT_HOST; - if (!strcasecmp("prflx", type)) - res->type = AJI_CONNECT_PRFLX; - if (!strcasecmp("relay", type)) - res->type = AJI_CONNECT_RELAY; - if (!strcasecmp("srflx", type)) - res->type = AJI_CONNECT_SRFLX; - } - - return res; -} -*/ - -static int jingle_create_member(char *label, struct ast_variable *var, int allowguest, - struct ast_codec_pref prefs, char *context, - struct jingle *member) -{ - struct aji_client *client; - - if (!member) - ast_log(LOG_WARNING, "Out of memory.\n"); - - ast_copy_string(member->name, label, sizeof(member->name)); - ast_copy_string(member->user, label, sizeof(member->user)); - ast_copy_string(member->context, context, sizeof(member->context)); - member->allowguest = allowguest; - member->prefs = prefs; - while (var) { -#if 0 - struct jingle_candidate *candidate = NULL; -#endif - if (!strcasecmp(var->name, "username")) - ast_copy_string(member->user, var->value, sizeof(member->user)); - else if (!strcasecmp(var->name, "disallow")) - ast_parse_allow_disallow(&member->prefs, member->cap, var->value, 0); - else if (!strcasecmp(var->name, "allow")) - ast_parse_allow_disallow(&member->prefs, member->cap, var->value, 1); - else if (!strcasecmp(var->name, "context")) - ast_copy_string(member->context, var->value, sizeof(member->context)); -#if 0 - else if (!strcasecmp(var->name, "candidate")) { - candidate = jingle_create_candidate(var->value); - if (candidate) { - candidate->next = member->ourcandidates; - member->ourcandidates = candidate; - } - } -#endif - else if (!strcasecmp(var->name, "connection")) { - if ((client = ast_aji_get_client(var->value))) { - member->connection = client; - iks_filter_add_rule(client->f, jingle_parser, member, - IKS_RULE_TYPE, IKS_PAK_IQ, - IKS_RULE_FROM_PARTIAL, member->user, - IKS_RULE_NS, JINGLE_NS, - IKS_RULE_DONE); - } else { - ast_log(LOG_ERROR, "connection referenced not found!\n"); - return 0; - } - } - var = var->next; - } - if (member->connection && member->user) - member->buddy = ASTOBJ_CONTAINER_FIND(&member->connection->buddies, member->user); - else { - ast_log(LOG_ERROR, "No Connection or Username!\n"); - } - return 1; -} - -static int jingle_load_config(void) -{ - char *cat = NULL; - struct ast_config *cfg = NULL; - char context[100]; - int allowguest = 1; - struct ast_variable *var; - struct jingle *member; - struct hostent *hp; - struct ast_hostent ahp; - struct ast_codec_pref prefs; - struct aji_client_container *clients; - struct jingle_candidate *global_candidates = NULL; - struct ast_flags config_flags = { 0 }; - - cfg = ast_config_load(JINGLE_CONFIG, config_flags); - if (!cfg || cfg == CONFIG_STATUS_FILEINVALID) { - return 0; - } - - /* Copy the default jb config over global_jbconf */ - memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); - - cat = ast_category_browse(cfg, NULL); - for (var = ast_variable_browse(cfg, "general"); var; var = var->next) { - /* handle jb conf */ - if (!ast_jb_read_conf(&global_jbconf, var->name, var->value)) - continue; - - if (!strcasecmp(var->name, "allowguest")) - allowguest = - (ast_true(ast_variable_retrieve(cfg, "general", "allowguest"))) ? 1 : 0; - else if (!strcasecmp(var->name, "disallow")) - ast_parse_allow_disallow(&prefs, global_capability, var->value, 0); - else if (!strcasecmp(var->name, "allow")) - ast_parse_allow_disallow(&prefs, global_capability, var->value, 1); - else if (!strcasecmp(var->name, "context")) - ast_copy_string(context, var->value, sizeof(context)); - else if (!strcasecmp(var->name, "externip")) - ast_copy_string(externip, var->value, sizeof(externip)); - else if (!strcasecmp(var->name, "bindaddr")) { - if (!(hp = ast_gethostbyname(var->value, &ahp))) { - ast_log(LOG_WARNING, "Invalid address: %s\n", var->value); - } else { - memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr)); - } - } -/* Idea to allow for custom candidates */ -/* - else if (!strcasecmp(var->name, "candidate")) { - candidate = jingle_create_candidate(var->value); - if (candidate) { - candidate->next = global_candidates; - global_candidates = candidate; - } - } -*/ - } - while (cat) { - if (strcasecmp(cat, "general")) { - var = ast_variable_browse(cfg, cat); - member = ast_calloc(1, sizeof(*member)); - ASTOBJ_INIT(member); - ASTOBJ_WRLOCK(member); - member->cap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK); - if (!strcasecmp(cat, "guest")) { - ast_copy_string(member->name, "guest", sizeof(member->name)); - ast_copy_string(member->user, "guest", sizeof(member->user)); - ast_copy_string(member->context, context, sizeof(member->context)); - member->allowguest = allowguest; - member->prefs = prefs; - while (var) { - if (!strcasecmp(var->name, "disallow")) - ast_parse_allow_disallow(&member->prefs, member->cap, - var->value, 0); - else if (!strcasecmp(var->name, "allow")) - ast_parse_allow_disallow(&member->prefs, member->cap, - var->value, 1); - else if (!strcasecmp(var->name, "context")) - ast_copy_string(member->context, var->value, - sizeof(member->context)); - else if (!strcasecmp(var->name, "parkinglot")) - ast_copy_string(member->parkinglot, var->value, - sizeof(member->parkinglot)); -/* Idea to allow for custom candidates */ -/* - else if (!strcasecmp(var->name, "candidate")) { - candidate = jingle_create_candidate(var->value); - if (candidate) { - candidate->next = member->ourcandidates; - member->ourcandidates = candidate; - } - } -*/ - var = var->next; - } - ASTOBJ_UNLOCK(member); - clients = ast_aji_get_clients(); - if (clients) { - ASTOBJ_CONTAINER_TRAVERSE(clients, 1, { - ASTOBJ_WRLOCK(iterator); - ASTOBJ_WRLOCK(member); - if (member->connection) { - ASTOBJ_UNREF(member->connection, ast_aji_client_destroy); - } - member->connection = NULL; - iks_filter_add_rule(iterator->f, jingle_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, JINGLE_NS, IKS_RULE_DONE); - iks_filter_add_rule(iterator->f, jingle_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, JINGLE_DTMF_NS, IKS_RULE_DONE); - ASTOBJ_UNLOCK(member); - ASTOBJ_UNLOCK(iterator); - }); - ASTOBJ_CONTAINER_LINK(&jingle_list, member); - } else { - ASTOBJ_UNLOCK(member); - ASTOBJ_UNREF(member, jingle_member_destroy); - } - } else { - ASTOBJ_UNLOCK(member); - if (jingle_create_member(cat, var, allowguest, prefs, context, member)) - ASTOBJ_CONTAINER_LINK(&jingle_list, member); - ASTOBJ_UNREF(member, jingle_member_destroy); - } - } - cat = ast_category_browse(cfg, cat); - } - ast_config_destroy(cfg); - jingle_free_candidates(global_candidates); - return 1; -} - -/*! - * \brief Load the module - * - * Module loading including tests for configuration or dependencies. - * This function can return AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_DECLINE, - * or AST_MODULE_LOAD_SUCCESS. If a dependency or environment variable fails - * tests return AST_MODULE_LOAD_FAILURE. If the module can not load the - * configuration file or other non-critical problem return - * AST_MODULE_LOAD_DECLINE. On success return AST_MODULE_LOAD_SUCCESS. - */ -static int load_module(void) -{ - struct ast_sockaddr ourip_tmp; - struct ast_sockaddr bindaddr_tmp; - struct ast_format tmpfmt; - - char *jabber_loaded = ast_module_helper("", "res_jabber.so", 0, 0, 0, 0); - - if (!(jingle_tech.capabilities = ast_format_cap_alloc(0))) { - return AST_MODULE_LOAD_DECLINE; - } - - ast_format_cap_add_all_by_type(jingle_tech.capabilities, AST_FORMAT_TYPE_AUDIO); - if (!(global_capability = ast_format_cap_alloc(0))) { - return AST_MODULE_LOAD_DECLINE; - } - ast_format_cap_add(global_capability, ast_format_set(&tmpfmt, AST_FORMAT_ULAW, 0)); - ast_format_cap_add(global_capability, ast_format_set(&tmpfmt, AST_FORMAT_GSM, 0)); - ast_format_cap_add(global_capability, ast_format_set(&tmpfmt, AST_FORMAT_ALAW, 0)); - ast_format_cap_add(global_capability, ast_format_set(&tmpfmt, AST_FORMAT_H263, 0)); - - free(jabber_loaded); - if (!jabber_loaded) { - /* Dependency module has a different name, if embedded */ - jabber_loaded = ast_module_helper("", "res_jabber", 0, 0, 0, 0); - free(jabber_loaded); - if (!jabber_loaded) { - ast_log(LOG_ERROR, "chan_jingle.so depends upon res_jabber.so\n"); - return AST_MODULE_LOAD_DECLINE; - } - } - - ASTOBJ_CONTAINER_INIT(&jingle_list); - if (!jingle_load_config()) { - ast_log(LOG_ERROR, "Unable to read config file %s. Not loading module.\n", JINGLE_CONFIG); - return AST_MODULE_LOAD_DECLINE; - } - - sched = ast_sched_context_create(); - if (!sched) { - ast_log(LOG_WARNING, "Unable to create schedule context\n"); - } - - io = io_context_create(); - if (!io) { - ast_log(LOG_WARNING, "Unable to create I/O context\n"); - } - - bindaddr.sin_family = AF_INET; - ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr); - if (ast_find_ourip(&ourip_tmp, &bindaddr_tmp, AF_INET)) { - ast_log(LOG_WARNING, "Unable to get own IP address, Jingle disabled\n"); - return 0; - } - __ourip.s_addr = htonl(ast_sockaddr_ipv4(&ourip_tmp)); - - ast_rtp_glue_register(&jingle_rtp_glue); - ast_cli_register_multiple(jingle_cli, ARRAY_LEN(jingle_cli)); - /* Make sure we can register our channel type */ - if (ast_channel_register(&jingle_tech)) { - ast_log(LOG_ERROR, "Unable to register channel class %s\n", channel_type); - return -1; - } - return 0; -} - -/*! \brief Reload module */ -static int reload(void) -{ - return 0; -} - -/*! \brief Unload the jingle channel from Asterisk */ -static int unload_module(void) -{ - struct jingle_pvt *privates = NULL; - ast_cli_unregister_multiple(jingle_cli, ARRAY_LEN(jingle_cli)); - /* First, take us out of the channel loop */ - ast_channel_unregister(&jingle_tech); - ast_rtp_glue_unregister(&jingle_rtp_glue); - - if (!ast_mutex_lock(&jinglelock)) { - /* Hangup all interfaces if they have an owner */ - ASTOBJ_CONTAINER_TRAVERSE(&jingle_list, 1, { - ASTOBJ_WRLOCK(iterator); - privates = iterator->p; - while(privates) { - if (privates->owner) - ast_softhangup(privates->owner, AST_SOFTHANGUP_APPUNLOAD); - privates = privates->next; - } - iterator->p = NULL; - ASTOBJ_UNLOCK(iterator); - }); - ast_mutex_unlock(&jinglelock); - } else { - ast_log(LOG_WARNING, "Unable to lock the monitor\n"); - return -1; - } - ASTOBJ_CONTAINER_DESTROYALL(&jingle_list, jingle_member_destroy); - ASTOBJ_CONTAINER_DESTROY(&jingle_list); - - global_capability = ast_format_cap_destroy(global_capability); - return 0; -} - -AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "Jingle Channel Driver", - .load = load_module, - .unload = unload_module, - .reload = reload, - .load_pri = AST_MODPRI_CHANNEL_DRIVER, - ); |