![tilghman](/assets/img/avatar_default.png)
of the channel lock git-svn-id: http://svn.digium.com/svn/asterisk/trunk@125020 f38db490-d61c-443f-a65b-d21fe96a405b
3352 lines
96 KiB
C
3352 lines
96 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 1999 - 2005
|
|
*
|
|
* OpenH323 Channel Driver for ASTERISK PBX.
|
|
* By Jeremy McNamara
|
|
* For The NuFone Network
|
|
*
|
|
* chan_h323 has been derived from code created by
|
|
* Michael Manousos and Mark Spencer
|
|
*
|
|
* 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
|
|
*
|
|
* \brief This file is part of the chan_h323 driver for Asterisk
|
|
*
|
|
* \author Jeremy McNamara
|
|
*
|
|
* \par See also
|
|
* \arg Config_h323
|
|
* \extref OpenH323 http://www.voxgratia.org/
|
|
*
|
|
* \ingroup channel_drivers
|
|
*/
|
|
|
|
/*** MODULEINFO
|
|
<depend>openh323</depend>
|
|
<defaultenabled>yes</defaultenabled>
|
|
***/
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/signal.h>
|
|
#include <sys/param.h>
|
|
#include <arpa/inet.h>
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/in_systm.h>
|
|
#include <netinet/ip.h>
|
|
#include <netdb.h>
|
|
#include <fcntl.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "asterisk/lock.h"
|
|
#include "asterisk/channel.h"
|
|
#include "asterisk/config.h"
|
|
#include "asterisk/module.h"
|
|
#include "asterisk/musiconhold.h"
|
|
#include "asterisk/pbx.h"
|
|
#include "asterisk/utils.h"
|
|
#include "asterisk/sched.h"
|
|
#include "asterisk/io.h"
|
|
#include "asterisk/rtp.h"
|
|
#include "asterisk/acl.h"
|
|
#include "asterisk/callerid.h"
|
|
#include "asterisk/cli.h"
|
|
#include "asterisk/dsp.h"
|
|
#include "asterisk/causes.h"
|
|
#include "asterisk/stringfields.h"
|
|
#include "asterisk/abstract_jb.h"
|
|
#include "asterisk/astobj.h"
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#include "h323/chan_h323.h"
|
|
|
|
receive_digit_cb on_receive_digit;
|
|
on_rtp_cb on_external_rtp_create;
|
|
start_rtp_cb on_start_rtp_channel;
|
|
setup_incoming_cb on_incoming_call;
|
|
setup_outbound_cb on_outgoing_call;
|
|
chan_ringing_cb on_chan_ringing;
|
|
con_established_cb on_connection_established;
|
|
clear_con_cb on_connection_cleared;
|
|
answer_call_cb on_answer_call;
|
|
progress_cb on_progress;
|
|
rfc2833_cb on_set_rfc2833_payload;
|
|
hangup_cb on_hangup;
|
|
setcapabilities_cb on_setcapabilities;
|
|
setpeercapabilities_cb on_setpeercapabilities;
|
|
onhold_cb on_hold;
|
|
|
|
int h323debug; /*!< global debug flag */
|
|
|
|
/*! \brief Global jitterbuffer configuration - by default, jb is disabled */
|
|
static struct ast_jb_conf default_jbconf =
|
|
{
|
|
.flags = 0,
|
|
.max_size = -1,
|
|
.resync_threshold = -1,
|
|
.impl = ""
|
|
};
|
|
static struct ast_jb_conf global_jbconf;
|
|
|
|
/** Variables required by Asterisk */
|
|
static const char tdesc[] = "The NuFone Network's Open H.323 Channel Driver";
|
|
static const char config[] = "h323.conf";
|
|
static char default_context[AST_MAX_CONTEXT] = "default";
|
|
static struct sockaddr_in bindaddr;
|
|
|
|
#define GLOBAL_CAPABILITY (AST_FORMAT_G723_1 | AST_FORMAT_GSM | AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_G729A | AST_FORMAT_G726_AAL2 | AST_FORMAT_H261)
|
|
|
|
/** H.323 configuration values */
|
|
static int h323_signalling_port = 1720;
|
|
static char gatekeeper[100];
|
|
static int gatekeeper_disable = 1;
|
|
static int gatekeeper_discover = 0;
|
|
static int gkroute = 0;
|
|
/* Find user by alias (h.323 id) is default, alternative is the incomming call's source IP address*/
|
|
static int userbyalias = 1;
|
|
static int acceptAnonymous = 1;
|
|
static unsigned int tos = 0;
|
|
static unsigned int cos = 0;
|
|
static char secret[50];
|
|
static unsigned int unique = 0;
|
|
|
|
static call_options_t global_options;
|
|
|
|
/*! \brief Private structure of a OpenH323 channel */
|
|
struct oh323_pvt {
|
|
ast_mutex_t lock; /*!< Channel private lock */
|
|
call_options_t options; /*!<!< Options to be used during call setup */
|
|
int alreadygone; /*!< Whether or not we've already been destroyed by our peer */
|
|
int needdestroy; /*!< if we need to be destroyed */
|
|
call_details_t cd; /*!< Call details */
|
|
struct ast_channel *owner; /*!< Who owns us */
|
|
struct sockaddr_in sa; /*!< Our peer */
|
|
struct sockaddr_in redirip; /*!< Where our RTP should be going if not to us */
|
|
int nonCodecCapability; /*!< non-audio capability */
|
|
int outgoing; /*!< Outgoing or incoming call? */
|
|
char exten[AST_MAX_EXTENSION]; /*!< Requested extension */
|
|
char context[AST_MAX_CONTEXT]; /*!< Context where to start */
|
|
char accountcode[256]; /*!< Account code */
|
|
char rdnis[80]; /*!< Referring DNIS, if available */
|
|
int amaflags; /*!< AMA Flags */
|
|
struct ast_rtp *rtp; /*!< RTP Session */
|
|
struct ast_dsp *vad; /*!< Used for in-band DTMF detection */
|
|
int nativeformats; /*!< Codec formats supported by a channel */
|
|
int needhangup; /*!< Send hangup when Asterisk is ready */
|
|
int hangupcause; /*!< Hangup cause from OpenH323 layer */
|
|
int newstate; /*!< Pending state change */
|
|
int newcontrol; /*!< Pending control to send */
|
|
int newdigit; /*!< Pending DTMF digit to send */
|
|
int newduration; /*!< Pending DTMF digit duration to send */
|
|
int pref_codec; /*!< Preferred codec */
|
|
int peercapability; /*!< Capabilities learned from peer */
|
|
int jointcapability; /*!< Common capabilities for local and remote side */
|
|
struct ast_codec_pref peer_prefs; /*!< Preferenced list of codecs which remote side supports */
|
|
int dtmf_pt[2]; /*!< Payload code used for RFC2833/CISCO messages */
|
|
int curDTMF; /*!< DTMF tone being generated to Asterisk side */
|
|
int DTMFsched; /*!< Scheduler descriptor for DTMF */
|
|
int update_rtp_info; /*!< Configuration of fd's array is pending */
|
|
int recvonly; /*!< Peer isn't wish to receive our voice stream */
|
|
int txDtmfDigit; /*!< DTMF digit being to send to H.323 side */
|
|
int noInbandDtmf; /*!< Inband DTMF processing by DSP isn't available */
|
|
int connection_established; /*!< Call got CONNECT message */
|
|
int got_progress; /*!< Call got PROGRESS message, pass inband audio */
|
|
struct oh323_pvt *next; /*!< Next channel in list */
|
|
} *iflist = NULL;
|
|
|
|
/*! \brief H323 User list */
|
|
static struct h323_user_list {
|
|
ASTOBJ_CONTAINER_COMPONENTS(struct oh323_user);
|
|
} userl;
|
|
|
|
/*! \brief H323 peer list */
|
|
static struct h323_peer_list {
|
|
ASTOBJ_CONTAINER_COMPONENTS(struct oh323_peer);
|
|
} peerl;
|
|
|
|
/*! \brief H323 alias list */
|
|
static struct h323_alias_list {
|
|
ASTOBJ_CONTAINER_COMPONENTS(struct oh323_alias);
|
|
} aliasl;
|
|
|
|
/* Asterisk RTP stuff */
|
|
static struct sched_context *sched;
|
|
static struct io_context *io;
|
|
|
|
AST_MUTEX_DEFINE_STATIC(iflock); /*!< Protect the interface list (oh323_pvt) */
|
|
|
|
/*! \brief Protect the H.323 monitoring thread, so only one process can kill or start it, and not
|
|
when it's doing something critical. */
|
|
AST_MUTEX_DEFINE_STATIC(monlock);
|
|
|
|
/*! \brief Protect the H.323 capabilities list, to avoid more than one channel to set the capabilities simultaneaously in the h323 stack. */
|
|
AST_MUTEX_DEFINE_STATIC(caplock);
|
|
|
|
/*! \brief Protect the reload process */
|
|
AST_MUTEX_DEFINE_STATIC(h323_reload_lock);
|
|
static int h323_reloading = 0;
|
|
|
|
/*! \brief This is the thread for the monitor which checks for input on the channels
|
|
which are not currently in use. */
|
|
static pthread_t monitor_thread = AST_PTHREADT_NULL;
|
|
static int restart_monitor(void);
|
|
static int h323_do_reload(void);
|
|
|
|
static void delete_users(void);
|
|
static void delete_aliases(void);
|
|
static void prune_peers(void);
|
|
|
|
static struct ast_channel *oh323_request(const char *type, int format, void *data, int *cause);
|
|
static int oh323_digit_begin(struct ast_channel *c, char digit);
|
|
static int oh323_digit_end(struct ast_channel *c, char digit, unsigned int duration);
|
|
static int oh323_call(struct ast_channel *c, char *dest, int timeout);
|
|
static int oh323_hangup(struct ast_channel *c);
|
|
static int oh323_answer(struct ast_channel *c);
|
|
static struct ast_frame *oh323_read(struct ast_channel *c);
|
|
static int oh323_write(struct ast_channel *c, struct ast_frame *frame);
|
|
static int oh323_indicate(struct ast_channel *c, int condition, const void *data, size_t datalen);
|
|
static int oh323_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
|
|
|
|
static const struct ast_channel_tech oh323_tech = {
|
|
.type = "H323",
|
|
.description = tdesc,
|
|
.capabilities = AST_FORMAT_AUDIO_MASK,
|
|
.properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
|
|
.requester = oh323_request,
|
|
.send_digit_begin = oh323_digit_begin,
|
|
.send_digit_end = oh323_digit_end,
|
|
.call = oh323_call,
|
|
.hangup = oh323_hangup,
|
|
.answer = oh323_answer,
|
|
.read = oh323_read,
|
|
.write = oh323_write,
|
|
.indicate = oh323_indicate,
|
|
.fixup = oh323_fixup,
|
|
.bridge = ast_rtp_bridge,
|
|
};
|
|
|
|
static const char* redirectingreason2str(int redirectingreason)
|
|
{
|
|
switch (redirectingreason) {
|
|
case 0:
|
|
return "UNKNOWN";
|
|
case 1:
|
|
return "BUSY";
|
|
case 2:
|
|
return "NO_REPLY";
|
|
case 0xF:
|
|
return "UNCONDITIONAL";
|
|
default:
|
|
return "NOREDIRECT";
|
|
}
|
|
}
|
|
|
|
static void oh323_destroy_alias(struct oh323_alias *alias)
|
|
{
|
|
if (h323debug)
|
|
ast_debug(1, "Destroying alias '%s'\n", alias->name);
|
|
ast_free(alias);
|
|
}
|
|
|
|
static void oh323_destroy_user(struct oh323_user *user)
|
|
{
|
|
if (h323debug)
|
|
ast_debug(1, "Destroying user '%s'\n", user->name);
|
|
ast_free_ha(user->ha);
|
|
ast_free(user);
|
|
}
|
|
|
|
static void oh323_destroy_peer(struct oh323_peer *peer)
|
|
{
|
|
if (h323debug)
|
|
ast_debug(1, "Destroying peer '%s'\n", peer->name);
|
|
ast_free_ha(peer->ha);
|
|
ast_free(peer);
|
|
}
|
|
|
|
static int oh323_simulate_dtmf_end(const void *data)
|
|
{
|
|
struct oh323_pvt *pvt = (struct oh323_pvt *)data;
|
|
|
|
if (pvt) {
|
|
ast_mutex_lock(&pvt->lock);
|
|
/* Don't hold pvt lock while trying to lock the channel */
|
|
while(pvt->owner && ast_channel_trylock(pvt->owner)) {
|
|
DEADLOCK_AVOIDANCE(&pvt->lock);
|
|
}
|
|
|
|
if (pvt->owner) {
|
|
struct ast_frame f = {
|
|
.frametype = AST_FRAME_DTMF_END,
|
|
.subclass = pvt->curDTMF,
|
|
.samples = 0,
|
|
.src = "SIMULATE_DTMF_END",
|
|
};
|
|
ast_queue_frame(pvt->owner, &f);
|
|
ast_channel_unlock(pvt->owner);
|
|
}
|
|
|
|
pvt->DTMFsched = -1;
|
|
ast_mutex_unlock(&pvt->lock);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Channel and private structures should be already locked */
|
|
static void __oh323_update_info(struct ast_channel *c, struct oh323_pvt *pvt)
|
|
{
|
|
if (c->nativeformats != pvt->nativeformats) {
|
|
if (h323debug)
|
|
ast_debug(1, "Preparing %s for new native format\n", c->name);
|
|
c->nativeformats = pvt->nativeformats;
|
|
ast_set_read_format(c, c->readformat);
|
|
ast_set_write_format(c, c->writeformat);
|
|
}
|
|
if (pvt->needhangup) {
|
|
if (h323debug)
|
|
ast_debug(1, "Process pending hangup for %s\n", c->name);
|
|
c->_softhangup |= AST_SOFTHANGUP_DEV;
|
|
c->hangupcause = pvt->hangupcause;
|
|
ast_queue_hangup_with_cause(c, pvt->hangupcause);
|
|
pvt->needhangup = 0;
|
|
pvt->newstate = pvt->newcontrol = pvt->newdigit = pvt->DTMFsched = -1;
|
|
}
|
|
if (pvt->newstate >= 0) {
|
|
ast_setstate(c, pvt->newstate);
|
|
pvt->newstate = -1;
|
|
}
|
|
if (pvt->newcontrol >= 0) {
|
|
ast_queue_control(c, pvt->newcontrol);
|
|
pvt->newcontrol = -1;
|
|
}
|
|
if (pvt->newdigit >= 0) {
|
|
struct ast_frame f = {
|
|
.frametype = AST_FRAME_DTMF_END,
|
|
.subclass = pvt->newdigit,
|
|
.samples = pvt->newduration * 8,
|
|
.len = pvt->newduration,
|
|
.src = "UPDATE_INFO",
|
|
};
|
|
if (pvt->newdigit == ' ') { /* signalUpdate message */
|
|
f.subclass = pvt->curDTMF;
|
|
if (pvt->DTMFsched >= 0) {
|
|
AST_SCHED_DEL(sched, pvt->DTMFsched);
|
|
}
|
|
} else { /* Regular input or signal message */
|
|
if (pvt->newduration) { /* This is a signal, signalUpdate follows */
|
|
f.frametype = AST_FRAME_DTMF_BEGIN;
|
|
AST_SCHED_DEL(sched, pvt->DTMFsched);
|
|
pvt->DTMFsched = ast_sched_add(sched, pvt->newduration, oh323_simulate_dtmf_end, pvt);
|
|
if (h323debug)
|
|
ast_log(LOG_DTMF, "Scheduled DTMF END simulation for %d ms, id=%d\n", pvt->newduration, pvt->DTMFsched);
|
|
}
|
|
pvt->curDTMF = pvt->newdigit;
|
|
}
|
|
ast_queue_frame(c, &f);
|
|
pvt->newdigit = -1;
|
|
}
|
|
if (pvt->update_rtp_info > 0) {
|
|
if (pvt->rtp) {
|
|
ast_jb_configure(c, &global_jbconf);
|
|
ast_channel_set_fd(c, 0, ast_rtp_fd(pvt->rtp));
|
|
ast_channel_set_fd(c, 1, ast_rtcp_fd(pvt->rtp));
|
|
ast_queue_frame(pvt->owner, &ast_null_frame); /* Tell Asterisk to apply changes */
|
|
}
|
|
pvt->update_rtp_info = -1;
|
|
}
|
|
}
|
|
|
|
/*! \brief Only channel structure should be locked */
|
|
static void oh323_update_info(struct ast_channel *c)
|
|
{
|
|
struct oh323_pvt *pvt = c->tech_pvt;
|
|
|
|
if (pvt) {
|
|
ast_mutex_lock(&pvt->lock);
|
|
__oh323_update_info(c, pvt);
|
|
ast_mutex_unlock(&pvt->lock);
|
|
}
|
|
}
|
|
|
|
static void cleanup_call_details(call_details_t *cd)
|
|
{
|
|
if (cd->call_token) {
|
|
ast_free(cd->call_token);
|
|
cd->call_token = NULL;
|
|
}
|
|
if (cd->call_source_aliases) {
|
|
ast_free(cd->call_source_aliases);
|
|
cd->call_source_aliases = NULL;
|
|
}
|
|
if (cd->call_dest_alias) {
|
|
ast_free(cd->call_dest_alias);
|
|
cd->call_dest_alias = NULL;
|
|
}
|
|
if (cd->call_source_name) {
|
|
ast_free(cd->call_source_name);
|
|
cd->call_source_name = NULL;
|
|
}
|
|
if (cd->call_source_e164) {
|
|
ast_free(cd->call_source_e164);
|
|
cd->call_source_e164 = NULL;
|
|
}
|
|
if (cd->call_dest_e164) {
|
|
ast_free(cd->call_dest_e164);
|
|
cd->call_dest_e164 = NULL;
|
|
}
|
|
if (cd->sourceIp) {
|
|
ast_free(cd->sourceIp);
|
|
cd->sourceIp = NULL;
|
|
}
|
|
if (cd->redirect_number) {
|
|
ast_free(cd->redirect_number);
|
|
cd->redirect_number = NULL;
|
|
}
|
|
}
|
|
|
|
static void __oh323_destroy(struct oh323_pvt *pvt)
|
|
{
|
|
struct oh323_pvt *cur, *prev = NULL;
|
|
|
|
AST_SCHED_DEL(sched, pvt->DTMFsched);
|
|
|
|
if (pvt->rtp) {
|
|
ast_rtp_destroy(pvt->rtp);
|
|
}
|
|
|
|
/* Free dsp used for in-band DTMF detection */
|
|
if (pvt->vad) {
|
|
ast_dsp_free(pvt->vad);
|
|
}
|
|
cleanup_call_details(&pvt->cd);
|
|
|
|
/* Unlink us from the owner if we have one */
|
|
if (pvt->owner) {
|
|
ast_channel_lock(pvt->owner);
|
|
if (h323debug)
|
|
ast_debug(1, "Detaching from %s\n", pvt->owner->name);
|
|
pvt->owner->tech_pvt = NULL;
|
|
ast_channel_unlock(pvt->owner);
|
|
}
|
|
cur = iflist;
|
|
while(cur) {
|
|
if (cur == pvt) {
|
|
if (prev)
|
|
prev->next = cur->next;
|
|
else
|
|
iflist = cur->next;
|
|
break;
|
|
}
|
|
prev = cur;
|
|
cur = cur->next;
|
|
}
|
|
if (!cur) {
|
|
ast_log(LOG_WARNING, "%p is not in list?!?! \n", cur);
|
|
} else {
|
|
ast_mutex_unlock(&pvt->lock);
|
|
ast_mutex_destroy(&pvt->lock);
|
|
ast_free(pvt);
|
|
}
|
|
}
|
|
|
|
static void oh323_destroy(struct oh323_pvt *pvt)
|
|
{
|
|
if (h323debug) {
|
|
ast_debug(1, "Destroying channel %s\n", (pvt->owner ? pvt->owner->name : "<unknown>"));
|
|
}
|
|
ast_mutex_lock(&iflock);
|
|
ast_mutex_lock(&pvt->lock);
|
|
__oh323_destroy(pvt);
|
|
ast_mutex_unlock(&iflock);
|
|
}
|
|
|
|
static int oh323_digit_begin(struct ast_channel *c, char digit)
|
|
{
|
|
struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt;
|
|
char *token;
|
|
|
|
if (!pvt) {
|
|
ast_log(LOG_ERROR, "No private structure?! This is bad\n");
|
|
return -1;
|
|
}
|
|
ast_mutex_lock(&pvt->lock);
|
|
if (pvt->rtp &&
|
|
(((pvt->options.dtmfmode & H323_DTMF_RFC2833) && pvt->dtmf_pt[0])
|
|
/*|| ((pvt->options.dtmfmode & H323_DTMF_CISCO) && pvt->dtmf_pt[1]))*/)) {
|
|
/* out-of-band DTMF */
|
|
if (h323debug) {
|
|
ast_log(LOG_DTMF, "Begin sending out-of-band digit %c on %s\n", digit, c->name);
|
|
}
|
|
ast_rtp_senddigit_begin(pvt->rtp, digit);
|
|
ast_mutex_unlock(&pvt->lock);
|
|
} else if (pvt->txDtmfDigit != digit) {
|
|
/* in-band DTMF */
|
|
if (h323debug) {
|
|
ast_log(LOG_DTMF, "Begin sending inband digit %c on %s\n", digit, c->name);
|
|
}
|
|
pvt->txDtmfDigit = digit;
|
|
token = pvt->cd.call_token ? ast_strdup(pvt->cd.call_token) : NULL;
|
|
ast_mutex_unlock(&pvt->lock);
|
|
h323_send_tone(token, digit);
|
|
if (token) {
|
|
ast_free(token);
|
|
}
|
|
} else
|
|
ast_mutex_unlock(&pvt->lock);
|
|
oh323_update_info(c);
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief
|
|
* Send (play) the specified digit to the channel.
|
|
*
|
|
*/
|
|
static int oh323_digit_end(struct ast_channel *c, char digit, unsigned int duration)
|
|
{
|
|
struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt;
|
|
char *token;
|
|
|
|
if (!pvt) {
|
|
ast_log(LOG_ERROR, "No private structure?! This is bad\n");
|
|
return -1;
|
|
}
|
|
ast_mutex_lock(&pvt->lock);
|
|
if (pvt->rtp && (pvt->options.dtmfmode & H323_DTMF_RFC2833) && ((pvt->dtmf_pt[0] > 0) || (pvt->dtmf_pt[0] > 0))) {
|
|
/* out-of-band DTMF */
|
|
if (h323debug) {
|
|
ast_log(LOG_DTMF, "End sending out-of-band digit %c on %s, duration %d\n", digit, c->name, duration);
|
|
}
|
|
ast_rtp_senddigit_end(pvt->rtp, digit);
|
|
ast_mutex_unlock(&pvt->lock);
|
|
} else {
|
|
/* in-band DTMF */
|
|
if (h323debug) {
|
|
ast_log(LOG_DTMF, "End sending inband digit %c on %s, duration %d\n", digit, c->name, duration);
|
|
}
|
|
pvt->txDtmfDigit = ' ';
|
|
token = pvt->cd.call_token ? ast_strdup(pvt->cd.call_token) : NULL;
|
|
ast_mutex_unlock(&pvt->lock);
|
|
h323_send_tone(token, ' ');
|
|
if (token) {
|
|
ast_free(token);
|
|
}
|
|
}
|
|
oh323_update_info(c);
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief
|
|
* Make a call over the specified channel to the specified
|
|
* destination.
|
|
* Returns -1 on error, 0 on success.
|
|
*/
|
|
static int oh323_call(struct ast_channel *c, char *dest, int timeout)
|
|
{
|
|
int res = 0;
|
|
struct oh323_pvt *pvt = (struct oh323_pvt *)c->tech_pvt;
|
|
const char *addr;
|
|
char called_addr[1024];
|
|
|
|
if (h323debug) {
|
|
ast_debug(1, "Calling to %s on %s\n", dest, c->name);
|
|
}
|
|
if ((c->_state != AST_STATE_DOWN) && (c->_state != AST_STATE_RESERVED)) {
|
|
ast_log(LOG_WARNING, "Line is already in use (%s)\n", c->name);
|
|
return -1;
|
|
}
|
|
ast_mutex_lock(&pvt->lock);
|
|
if (!gatekeeper_disable) {
|
|
if (ast_strlen_zero(pvt->exten)) {
|
|
ast_copy_string(called_addr, dest, sizeof(called_addr));
|
|
} else {
|
|
snprintf(called_addr, sizeof(called_addr), "%s@%s", pvt->exten, dest);
|
|
}
|
|
} else {
|
|
res = htons(pvt->sa.sin_port);
|
|
addr = ast_inet_ntoa(pvt->sa.sin_addr);
|
|
if (ast_strlen_zero(pvt->exten)) {
|
|
snprintf(called_addr, sizeof(called_addr), "%s:%d", addr, res);
|
|
} else {
|
|
snprintf(called_addr, sizeof(called_addr), "%s@%s:%d", pvt->exten, addr, res);
|
|
}
|
|
}
|
|
/* make sure null terminated */
|
|
called_addr[sizeof(called_addr) - 1] = '\0';
|
|
|
|
if (c->cid.cid_num)
|
|
ast_copy_string(pvt->options.cid_num, c->cid.cid_num, sizeof(pvt->options.cid_num));
|
|
|
|
if (c->cid.cid_name)
|
|
ast_copy_string(pvt->options.cid_name, c->cid.cid_name, sizeof(pvt->options.cid_name));
|
|
|
|
if (c->cid.cid_rdnis) {
|
|
ast_copy_string(pvt->options.cid_rdnis, c->cid.cid_rdnis, sizeof(pvt->options.cid_rdnis));
|
|
}
|
|
|
|
pvt->options.presentation = c->cid.cid_pres;
|
|
pvt->options.type_of_number = c->cid.cid_ton;
|
|
|
|
if ((addr = pbx_builtin_getvar_helper(c, "PRIREDIRECTREASON"))) {
|
|
if (!strcasecmp(addr, "UNKNOWN"))
|
|
pvt->options.redirect_reason = 0;
|
|
else if (!strcasecmp(addr, "BUSY"))
|
|
pvt->options.redirect_reason = 1;
|
|
else if (!strcasecmp(addr, "NO_REPLY"))
|
|
pvt->options.redirect_reason = 2;
|
|
else if (!strcasecmp(addr, "UNCONDITIONAL"))
|
|
pvt->options.redirect_reason = 15;
|
|
else
|
|
pvt->options.redirect_reason = -1;
|
|
} else
|
|
pvt->options.redirect_reason = -1;
|
|
|
|
pvt->options.transfer_capability = c->transfercapability;
|
|
|
|
/* indicate that this is an outgoing call */
|
|
pvt->outgoing = 1;
|
|
|
|
ast_verb(3, "Requested transfer capability: 0x%.2x - %s\n", c->transfercapability, ast_transfercapability2str(c->transfercapability));
|
|
if (h323debug)
|
|
ast_debug(1, "Placing outgoing call to %s, %d/%d\n", called_addr, pvt->options.dtmfcodec[0], pvt->options.dtmfcodec[1]);
|
|
ast_mutex_unlock(&pvt->lock);
|
|
res = h323_make_call(called_addr, &(pvt->cd), &pvt->options);
|
|
if (res) {
|
|
ast_log(LOG_NOTICE, "h323_make_call failed(%s)\n", c->name);
|
|
return -1;
|
|
}
|
|
oh323_update_info(c);
|
|
return 0;
|
|
}
|
|
|
|
static int oh323_answer(struct ast_channel *c)
|
|
{
|
|
int res;
|
|
struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt;
|
|
char *token;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Answering on %s\n", c->name);
|
|
|
|
ast_mutex_lock(&pvt->lock);
|
|
token = pvt->cd.call_token ? ast_strdup(pvt->cd.call_token) : NULL;
|
|
ast_mutex_unlock(&pvt->lock);
|
|
res = h323_answering_call(token, 0);
|
|
if (token)
|
|
ast_free(token);
|
|
|
|
oh323_update_info(c);
|
|
if (c->_state != AST_STATE_UP) {
|
|
ast_setstate(c, AST_STATE_UP);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static int oh323_hangup(struct ast_channel *c)
|
|
{
|
|
struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt;
|
|
int q931cause = AST_CAUSE_NORMAL_CLEARING;
|
|
char *call_token;
|
|
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Hanging up and scheduling destroy of call %s\n", c->name);
|
|
|
|
if (!c->tech_pvt) {
|
|
ast_log(LOG_WARNING, "Asked to hangup channel not connected\n");
|
|
return 0;
|
|
}
|
|
ast_mutex_lock(&pvt->lock);
|
|
/* Determine how to disconnect */
|
|
if (pvt->owner != c) {
|
|
ast_log(LOG_WARNING, "Huh? We aren't the owner?\n");
|
|
ast_mutex_unlock(&pvt->lock);
|
|
return 0;
|
|
}
|
|
|
|
pvt->owner = NULL;
|
|
c->tech_pvt = NULL;
|
|
|
|
if (c->hangupcause) {
|
|
q931cause = c->hangupcause;
|
|
} else {
|
|
const char *cause = pbx_builtin_getvar_helper(c, "DIALSTATUS");
|
|
if (cause) {
|
|
if (!strcmp(cause, "CONGESTION")) {
|
|
q931cause = AST_CAUSE_NORMAL_CIRCUIT_CONGESTION;
|
|
} else if (!strcmp(cause, "BUSY")) {
|
|
q931cause = AST_CAUSE_USER_BUSY;
|
|
} else if (!strcmp(cause, "CHANISUNVAIL")) {
|
|
q931cause = AST_CAUSE_REQUESTED_CHAN_UNAVAIL;
|
|
} else if (!strcmp(cause, "NOANSWER")) {
|
|
q931cause = AST_CAUSE_NO_ANSWER;
|
|
} else if (!strcmp(cause, "CANCEL")) {
|
|
q931cause = AST_CAUSE_CALL_REJECTED;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Start the process if it's not already started */
|
|
if (!pvt->alreadygone && !pvt->hangupcause) {
|
|
call_token = pvt->cd.call_token ? ast_strdup(pvt->cd.call_token) : NULL;
|
|
if (call_token) {
|
|
/* Release lock to eliminate deadlock */
|
|
ast_mutex_unlock(&pvt->lock);
|
|
if (h323_clear_call(call_token, q931cause)) {
|
|
ast_log(LOG_WARNING, "ClearCall failed.\n");
|
|
}
|
|
ast_free(call_token);
|
|
ast_mutex_lock(&pvt->lock);
|
|
}
|
|
}
|
|
pvt->needdestroy = 1;
|
|
ast_mutex_unlock(&pvt->lock);
|
|
|
|
/* Update usage counter */
|
|
ast_module_unref(ast_module_info->self);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Retrieve audio/etc from channel. Assumes pvt->lock is already held. */
|
|
static struct ast_frame *oh323_rtp_read(struct oh323_pvt *pvt)
|
|
{
|
|
struct ast_frame *f;
|
|
|
|
/* Only apply it for the first packet, we just need the correct ip/port */
|
|
if (pvt->options.nat) {
|
|
ast_rtp_setnat(pvt->rtp, pvt->options.nat);
|
|
pvt->options.nat = 0;
|
|
}
|
|
|
|
f = ast_rtp_read(pvt->rtp);
|
|
/* Don't send RFC2833 if we're not supposed to */
|
|
if (f && (f->frametype == AST_FRAME_DTMF) && !(pvt->options.dtmfmode & (H323_DTMF_RFC2833 | H323_DTMF_CISCO))) {
|
|
return &ast_null_frame;
|
|
}
|
|
if (pvt->owner) {
|
|
/* We already hold the channel lock */
|
|
if (f->frametype == AST_FRAME_VOICE) {
|
|
if (f->subclass != pvt->owner->nativeformats) {
|
|
/* Try to avoid deadlock */
|
|
if (ast_channel_trylock(pvt->owner)) {
|
|
ast_log(LOG_NOTICE, "Format changed but channel is locked. Ignoring frame...\n");
|
|
return &ast_null_frame;
|
|
}
|
|
if (h323debug)
|
|
ast_debug(1, "Oooh, format changed to %d\n", f->subclass);
|
|
pvt->owner->nativeformats = f->subclass;
|
|
pvt->nativeformats = f->subclass;
|
|
ast_set_read_format(pvt->owner, pvt->owner->readformat);
|
|
ast_set_write_format(pvt->owner, pvt->owner->writeformat);
|
|
ast_channel_unlock(pvt->owner);
|
|
}
|
|
/* Do in-band DTMF detection */
|
|
if ((pvt->options.dtmfmode & H323_DTMF_INBAND) && pvt->vad) {
|
|
if ((pvt->nativeformats & (AST_FORMAT_SLINEAR | AST_FORMAT_ALAW | AST_FORMAT_ULAW))) {
|
|
if (!ast_channel_trylock(pvt->owner)) {
|
|
f = ast_dsp_process(pvt->owner, pvt->vad, f);
|
|
ast_channel_unlock(pvt->owner);
|
|
}
|
|
else
|
|
ast_log(LOG_NOTICE, "Unable to process inband DTMF while channel is locked\n");
|
|
} else if (pvt->nativeformats && !pvt->noInbandDtmf) {
|
|
ast_log(LOG_NOTICE, "Inband DTMF is not supported on codec %s. Use RFC2833\n", ast_getformatname(f->subclass));
|
|
pvt->noInbandDtmf = 1;
|
|
}
|
|
if (f &&(f->frametype == AST_FRAME_DTMF)) {
|
|
if (h323debug)
|
|
ast_log(LOG_DTMF, "Received in-band digit %c.\n", f->subclass);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return f;
|
|
}
|
|
|
|
static struct ast_frame *oh323_read(struct ast_channel *c)
|
|
{
|
|
struct ast_frame *fr;
|
|
struct oh323_pvt *pvt = (struct oh323_pvt *)c->tech_pvt;
|
|
ast_mutex_lock(&pvt->lock);
|
|
__oh323_update_info(c, pvt);
|
|
switch(c->fdno) {
|
|
case 0:
|
|
fr = oh323_rtp_read(pvt);
|
|
break;
|
|
case 1:
|
|
if (pvt->rtp)
|
|
fr = ast_rtcp_read(pvt->rtp);
|
|
else
|
|
fr = &ast_null_frame;
|
|
break;
|
|
default:
|
|
ast_log(LOG_ERROR, "Unable to handle fd %d on channel %s\n", c->fdno, c->name);
|
|
fr = &ast_null_frame;
|
|
break;
|
|
}
|
|
ast_mutex_unlock(&pvt->lock);
|
|
return fr;
|
|
}
|
|
|
|
static int oh323_write(struct ast_channel *c, struct ast_frame *frame)
|
|
{
|
|
struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt;
|
|
int res = 0;
|
|
if (frame->frametype != AST_FRAME_VOICE) {
|
|
if (frame->frametype == AST_FRAME_IMAGE) {
|
|
return 0;
|
|
} else {
|
|
ast_log(LOG_WARNING, "Can't send %d type frames with H323 write\n", frame->frametype);
|
|
return 0;
|
|
}
|
|
} else {
|
|
if (!(frame->subclass & c->nativeformats)) {
|
|
ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
|
|
frame->subclass, c->nativeformats, c->readformat, c->writeformat);
|
|
return 0;
|
|
}
|
|
}
|
|
if (pvt) {
|
|
ast_mutex_lock(&pvt->lock);
|
|
if (pvt->rtp && !pvt->recvonly)
|
|
res = ast_rtp_write(pvt->rtp, frame);
|
|
__oh323_update_info(c, pvt);
|
|
ast_mutex_unlock(&pvt->lock);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static int oh323_indicate(struct ast_channel *c, int condition, const void *data, size_t datalen)
|
|
{
|
|
|
|
struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt;
|
|
char *token = (char *)NULL;
|
|
int res = -1;
|
|
int got_progress;
|
|
|
|
ast_mutex_lock(&pvt->lock);
|
|
token = (pvt->cd.call_token ? ast_strdup(pvt->cd.call_token) : NULL);
|
|
got_progress = pvt->got_progress;
|
|
if (condition == AST_CONTROL_PROGRESS)
|
|
pvt->got_progress = 1;
|
|
else if ((condition == AST_CONTROL_BUSY) || (condition == AST_CONTROL_CONGESTION))
|
|
pvt->alreadygone = 1;
|
|
ast_mutex_unlock(&pvt->lock);
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "OH323: Indicating %d on %s (%s)\n", condition, token, c->name);
|
|
|
|
switch(condition) {
|
|
case AST_CONTROL_RINGING:
|
|
if (c->_state == AST_STATE_RING || c->_state == AST_STATE_RINGING) {
|
|
h323_send_alerting(token);
|
|
res = (got_progress ? 0 : -1); /* Do not simulate any audio tones if we got PROGRESS message */
|
|
}
|
|
break;
|
|
case AST_CONTROL_PROGRESS:
|
|
if (c->_state != AST_STATE_UP) {
|
|
/* Do not send PROGRESS message more than once */
|
|
if (!got_progress)
|
|
h323_send_progress(token);
|
|
res = 0;
|
|
}
|
|
break;
|
|
case AST_CONTROL_BUSY:
|
|
if (c->_state != AST_STATE_UP) {
|
|
h323_answering_call(token, 1);
|
|
ast_softhangup_nolock(c, AST_SOFTHANGUP_DEV);
|
|
res = 0;
|
|
}
|
|
break;
|
|
case AST_CONTROL_CONGESTION:
|
|
if (c->_state != AST_STATE_UP) {
|
|
h323_answering_call(token, 1);
|
|
ast_softhangup_nolock(c, AST_SOFTHANGUP_DEV);
|
|
res = 0;
|
|
}
|
|
break;
|
|
case AST_CONTROL_HOLD:
|
|
h323_hold_call(token, 1);
|
|
/* We should start MOH only if remote party isn't provide audio for us */
|
|
ast_moh_start(c, data, NULL);
|
|
res = 0;
|
|
break;
|
|
case AST_CONTROL_UNHOLD:
|
|
h323_hold_call(token, 0);
|
|
ast_moh_stop(c);
|
|
res = 0;
|
|
break;
|
|
case AST_CONTROL_SRCUPDATE:
|
|
ast_rtp_new_source(pvt->rtp);
|
|
res = 0;
|
|
break;
|
|
case AST_CONTROL_PROCEEDING:
|
|
case -1:
|
|
break;
|
|
default:
|
|
ast_log(LOG_WARNING, "OH323: Don't know how to indicate condition %d on %s\n", condition, token);
|
|
break;
|
|
}
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "OH323: Indicated %d on %s, res=%d\n", condition, token, res);
|
|
if (token)
|
|
ast_free(token);
|
|
oh323_update_info(c);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int oh323_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
|
|
{
|
|
struct oh323_pvt *pvt = (struct oh323_pvt *) newchan->tech_pvt;
|
|
|
|
ast_mutex_lock(&pvt->lock);
|
|
if (pvt->owner != oldchan) {
|
|
ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, pvt->owner);
|
|
return -1;
|
|
}
|
|
pvt->owner = newchan;
|
|
ast_mutex_unlock(&pvt->lock);
|
|
return 0;
|
|
}
|
|
|
|
static int __oh323_rtp_create(struct oh323_pvt *pvt)
|
|
{
|
|
struct in_addr our_addr;
|
|
|
|
if (pvt->rtp)
|
|
return 0;
|
|
|
|
if (ast_find_ourip(&our_addr, bindaddr)) {
|
|
ast_mutex_unlock(&pvt->lock);
|
|
ast_log(LOG_ERROR, "Unable to locate local IP address for RTP stream\n");
|
|
return -1;
|
|
}
|
|
pvt->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, our_addr);
|
|
if (!pvt->rtp) {
|
|
ast_mutex_unlock(&pvt->lock);
|
|
ast_log(LOG_WARNING, "Unable to create RTP session: %s\n", strerror(errno));
|
|
return -1;
|
|
}
|
|
if (h323debug)
|
|
ast_debug(1, "Created RTP channel\n");
|
|
|
|
ast_rtp_setqos(pvt->rtp, tos, cos, "H323 RTP");
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Setting NAT on RTP to %d\n", pvt->options.nat);
|
|
ast_rtp_setnat(pvt->rtp, pvt->options.nat);
|
|
|
|
if (pvt->dtmf_pt[0] > 0)
|
|
ast_rtp_set_rtpmap_type(pvt->rtp, pvt->dtmf_pt[0], "audio", "telephone-event", 0);
|
|
if (pvt->dtmf_pt[1] > 0)
|
|
ast_rtp_set_rtpmap_type(pvt->rtp, pvt->dtmf_pt[1], "audio", "cisco-telephone-event", 0);
|
|
|
|
if (pvt->peercapability)
|
|
ast_rtp_codec_setpref(pvt->rtp, &pvt->peer_prefs);
|
|
|
|
if (pvt->owner && !ast_channel_trylock(pvt->owner)) {
|
|
ast_jb_configure(pvt->owner, &global_jbconf);
|
|
ast_channel_set_fd(pvt->owner, 0, ast_rtp_fd(pvt->rtp));
|
|
ast_channel_set_fd(pvt->owner, 1, ast_rtcp_fd(pvt->rtp));
|
|
ast_queue_frame(pvt->owner, &ast_null_frame); /* Tell Asterisk to apply changes */
|
|
ast_channel_unlock(pvt->owner);
|
|
} else
|
|
pvt->update_rtp_info = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Private structure should be locked on a call */
|
|
static struct ast_channel *__oh323_new(struct oh323_pvt *pvt, int state, const char *host)
|
|
{
|
|
struct ast_channel *ch;
|
|
char *cid_num, *cid_name;
|
|
int fmt;
|
|
|
|
if (!ast_strlen_zero(pvt->options.cid_num))
|
|
cid_num = pvt->options.cid_num;
|
|
else
|
|
cid_num = pvt->cd.call_source_e164;
|
|
|
|
if (!ast_strlen_zero(pvt->options.cid_name))
|
|
cid_name = pvt->options.cid_name;
|
|
else
|
|
cid_name = pvt->cd.call_source_name;
|
|
|
|
/* Don't hold a oh323_pvt lock while we allocate a chanel */
|
|
ast_mutex_unlock(&pvt->lock);
|
|
ch = ast_channel_alloc(1, state, cid_num, cid_name, pvt->accountcode, pvt->exten, pvt->context, pvt->amaflags, "H323/%s", host);
|
|
/* Update usage counter */
|
|
ast_module_ref(ast_module_info->self);
|
|
ast_mutex_lock(&pvt->lock);
|
|
if (ch) {
|
|
ch->tech = &oh323_tech;
|
|
if (!(fmt = pvt->jointcapability) && !(fmt = pvt->options.capability))
|
|
fmt = global_options.capability;
|
|
ch->nativeformats = ast_codec_choose(&pvt->options.prefs, fmt, 1)/* | (pvt->jointcapability & AST_FORMAT_VIDEO_MASK)*/;
|
|
pvt->nativeformats = ch->nativeformats;
|
|
fmt = ast_best_codec(ch->nativeformats);
|
|
ch->writeformat = fmt;
|
|
ch->rawwriteformat = fmt;
|
|
ch->readformat = fmt;
|
|
ch->rawreadformat = fmt;
|
|
if (!pvt->rtp)
|
|
__oh323_rtp_create(pvt);
|
|
#if 0
|
|
ast_channel_set_fd(ch, 0, ast_rtp_fd(pvt->rtp));
|
|
ast_channel_set_fd(ch, 1, ast_rtcp_fd(pvt->rtp));
|
|
#endif
|
|
#ifdef VIDEO_SUPPORT
|
|
if (pvt->vrtp) {
|
|
ast_channel_set_fd(ch, 2, ast_rtp_fd(pvt->vrtp));
|
|
ast_channel_set_fd(ch, 3, ast_rtcp_fd(pvt->vrtp));
|
|
}
|
|
#endif
|
|
#ifdef T38_SUPPORT
|
|
if (pvt->udptl) {
|
|
ast_channel_set_fd(ch, 4, ast_udptl_fd(pvt->udptl));
|
|
}
|
|
#endif
|
|
if (state == AST_STATE_RING) {
|
|
ch->rings = 1;
|
|
}
|
|
/* Allocate dsp for in-band DTMF support */
|
|
if (pvt->options.dtmfmode & H323_DTMF_INBAND) {
|
|
pvt->vad = ast_dsp_new();
|
|
ast_dsp_set_features(pvt->vad, DSP_FEATURE_DIGIT_DETECT);
|
|
}
|
|
/* Register channel functions. */
|
|
ch->tech_pvt = pvt;
|
|
/* Set the owner of this channel */
|
|
pvt->owner = ch;
|
|
|
|
ast_copy_string(ch->context, pvt->context, sizeof(ch->context));
|
|
ast_copy_string(ch->exten, pvt->exten, sizeof(ch->exten));
|
|
ch->priority = 1;
|
|
if (!ast_strlen_zero(pvt->accountcode)) {
|
|
ast_string_field_set(ch, accountcode, pvt->accountcode);
|
|
}
|
|
if (pvt->amaflags) {
|
|
ch->amaflags = pvt->amaflags;
|
|
}
|
|
|
|
/* Don't use ast_set_callerid() here because it will
|
|
* generate a needless NewCallerID event */
|
|
ch->cid.cid_ani = ast_strdup(cid_num);
|
|
|
|
if (pvt->cd.redirect_reason >= 0) {
|
|
ch->cid.cid_rdnis = ast_strdup(pvt->cd.redirect_number);
|
|
pbx_builtin_setvar_helper(ch, "PRIREDIRECTREASON", redirectingreason2str(pvt->cd.redirect_reason));
|
|
}
|
|
ch->cid.cid_pres = pvt->cd.presentation;
|
|
ch->cid.cid_ton = pvt->cd.type_of_number;
|
|
|
|
if (!ast_strlen_zero(pvt->exten) && strcmp(pvt->exten, "s")) {
|
|
ch->cid.cid_dnid = ast_strdup(pvt->exten);
|
|
}
|
|
if (pvt->cd.transfer_capability >= 0)
|
|
ch->transfercapability = pvt->cd.transfer_capability;
|
|
if (state != AST_STATE_DOWN) {
|
|
if (ast_pbx_start(ch)) {
|
|
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", ch->name);
|
|
ast_hangup(ch);
|
|
ch = NULL;
|
|
}
|
|
}
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
|
|
}
|
|
return ch;
|
|
}
|
|
|
|
static struct oh323_pvt *oh323_alloc(int callid)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
|
|
pvt = ast_calloc(1, sizeof(*pvt));
|
|
if (!pvt) {
|
|
ast_log(LOG_ERROR, "Couldn't allocate private structure. This is bad\n");
|
|
return NULL;
|
|
}
|
|
pvt->cd.redirect_reason = -1;
|
|
pvt->cd.transfer_capability = -1;
|
|
/* Ensure the call token is allocated for outgoing call */
|
|
if (!callid) {
|
|
if ((pvt->cd).call_token == NULL) {
|
|
(pvt->cd).call_token = ast_calloc(1, 128);
|
|
}
|
|
if (!pvt->cd.call_token) {
|
|
ast_log(LOG_ERROR, "Not enough memory to alocate call token\n");
|
|
ast_rtp_destroy(pvt->rtp);
|
|
ast_free(pvt);
|
|
return NULL;
|
|
}
|
|
memset((char *)(pvt->cd).call_token, 0, 128);
|
|
pvt->cd.call_reference = callid;
|
|
}
|
|
memcpy(&pvt->options, &global_options, sizeof(pvt->options));
|
|
pvt->jointcapability = pvt->options.capability;
|
|
if (pvt->options.dtmfmode & (H323_DTMF_RFC2833 | H323_DTMF_CISCO)) {
|
|
pvt->nonCodecCapability |= AST_RTP_DTMF;
|
|
} else {
|
|
pvt->nonCodecCapability &= ~AST_RTP_DTMF;
|
|
}
|
|
ast_copy_string(pvt->context, default_context, sizeof(pvt->context));
|
|
pvt->newstate = pvt->newcontrol = pvt->newdigit = pvt->update_rtp_info = pvt->DTMFsched = -1;
|
|
ast_mutex_init(&pvt->lock);
|
|
/* Add to interface list */
|
|
ast_mutex_lock(&iflock);
|
|
pvt->next = iflist;
|
|
iflist = pvt;
|
|
ast_mutex_unlock(&iflock);
|
|
return pvt;
|
|
}
|
|
|
|
static struct oh323_pvt *find_call_locked(int call_reference, const char *token)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
|
|
ast_mutex_lock(&iflock);
|
|
pvt = iflist;
|
|
while(pvt) {
|
|
if (!pvt->needdestroy && ((signed int)pvt->cd.call_reference == call_reference)) {
|
|
/* Found the call */
|
|
if ((token != NULL) && (pvt->cd.call_token != NULL) && (!strcmp(pvt->cd.call_token, token))) {
|
|
ast_mutex_lock(&pvt->lock);
|
|
ast_mutex_unlock(&iflock);
|
|
return pvt;
|
|
} else if (token == NULL) {
|
|
ast_log(LOG_WARNING, "Call Token is NULL\n");
|
|
ast_mutex_lock(&pvt->lock);
|
|
ast_mutex_unlock(&iflock);
|
|
return pvt;
|
|
}
|
|
}
|
|
pvt = pvt->next;
|
|
}
|
|
ast_mutex_unlock(&iflock);
|
|
return NULL;
|
|
}
|
|
|
|
static int update_state(struct oh323_pvt *pvt, int state, int signal)
|
|
{
|
|
if (!pvt)
|
|
return 0;
|
|
if (pvt->owner && !ast_channel_trylock(pvt->owner)) {
|
|
if (state >= 0)
|
|
ast_setstate(pvt->owner, state);
|
|
if (signal >= 0)
|
|
ast_queue_control(pvt->owner, signal);
|
|
ast_channel_unlock(pvt->owner);
|
|
return 1;
|
|
}
|
|
else {
|
|
if (state >= 0)
|
|
pvt->newstate = state;
|
|
if (signal >= 0)
|
|
pvt->newcontrol = signal;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static struct oh323_alias *build_alias(const char *name, struct ast_variable *v, struct ast_variable *alt, int realtime)
|
|
{
|
|
struct oh323_alias *alias;
|
|
int found = 0;
|
|
|
|
alias = ASTOBJ_CONTAINER_FIND_UNLINK_FULL(&aliasl, name, name, 0, 0, strcasecmp);
|
|
|
|
if (alias)
|
|
found++;
|
|
else {
|
|
if (!(alias = ast_calloc(1, sizeof(*alias))))
|
|
return NULL;
|
|
ASTOBJ_INIT(alias);
|
|
}
|
|
if (!found && name)
|
|
ast_copy_string(alias->name, name, sizeof(alias->name));
|
|
for (; v || ((v = alt) && !(alt = NULL)); v = v->next) {
|
|
if (!strcasecmp(v->name, "e164")) {
|
|
ast_copy_string(alias->e164, v->value, sizeof(alias->e164));
|
|
} else if (!strcasecmp(v->name, "prefix")) {
|
|
ast_copy_string(alias->prefix, v->value, sizeof(alias->prefix));
|
|
} else if (!strcasecmp(v->name, "context")) {
|
|
ast_copy_string(alias->context, v->value, sizeof(alias->context));
|
|
} else if (!strcasecmp(v->name, "secret")) {
|
|
ast_copy_string(alias->secret, v->value, sizeof(alias->secret));
|
|
} else {
|
|
if (strcasecmp(v->value, "h323")) {
|
|
ast_log(LOG_WARNING, "Keyword %s does not make sense in type=h323\n", v->name);
|
|
}
|
|
}
|
|
}
|
|
ASTOBJ_UNMARK(alias);
|
|
return alias;
|
|
}
|
|
|
|
static struct oh323_alias *realtime_alias(const char *alias)
|
|
{
|
|
struct ast_variable *var, *tmp;
|
|
struct oh323_alias *a;
|
|
|
|
var = ast_load_realtime("h323", "name", alias, NULL);
|
|
|
|
if (!var)
|
|
return NULL;
|
|
|
|
for (tmp = var; tmp; tmp = tmp->next) {
|
|
if (!strcasecmp(tmp->name, "type") &&
|
|
!(!strcasecmp(tmp->value, "alias") || !strcasecmp(tmp->value, "h323"))) {
|
|
ast_variables_destroy(var);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
a = build_alias(alias, var, NULL, 1);
|
|
|
|
ast_variables_destroy(var);
|
|
|
|
return a;
|
|
}
|
|
|
|
static int update_common_options(struct ast_variable *v, struct call_options *options)
|
|
{
|
|
int tmp;
|
|
char *val, *opt;
|
|
|
|
if (!strcasecmp(v->name, "allow")) {
|
|
ast_parse_allow_disallow(&options->prefs, &options->capability, v->value, 1);
|
|
} else if (!strcasecmp(v->name, "disallow")) {
|
|
ast_parse_allow_disallow(&options->prefs, &options->capability, v->value, 0);
|
|
} else if (!strcasecmp(v->name, "dtmfmode")) {
|
|
val = ast_strdupa(v->value);
|
|
if ((opt = strchr(val, ':')) != (char *)NULL) {
|
|
*opt++ = '\0';
|
|
tmp = atoi(opt);
|
|
}
|
|
if (!strcasecmp(v->value, "inband")) {
|
|
options->dtmfmode |= H323_DTMF_INBAND;
|
|
} else if (!strcasecmp(val, "rfc2833")) {
|
|
options->dtmfmode |= H323_DTMF_RFC2833;
|
|
if (!opt) {
|
|
options->dtmfcodec[0] = H323_DTMF_RFC2833_PT;
|
|
} else if ((tmp >= 96) && (tmp < 128)) {
|
|
options->dtmfcodec[0] = tmp;
|
|
} else {
|
|
options->dtmfcodec[0] = H323_DTMF_RFC2833_PT;
|
|
ast_log(LOG_WARNING, "Unknown rfc2833 payload %s specified at line %d, using default %d\n", opt, v->lineno, options->dtmfcodec[0]);
|
|
}
|
|
} else if (!strcasecmp(val, "cisco")) {
|
|
options->dtmfmode |= H323_DTMF_CISCO;
|
|
if (!opt) {
|
|
options->dtmfcodec[1] = H323_DTMF_CISCO_PT;
|
|
} else if ((tmp >= 96) && (tmp < 128)) {
|
|
options->dtmfcodec[1] = tmp;
|
|
} else {
|
|
options->dtmfcodec[1] = H323_DTMF_CISCO_PT;
|
|
ast_log(LOG_WARNING, "Unknown Cisco DTMF payload %s specified at line %d, using default %d\n", opt, v->lineno, options->dtmfcodec[1]);
|
|
}
|
|
} else if (!strcasecmp(v->value, "h245-signal")) {
|
|
options->dtmfmode |= H323_DTMF_SIGNAL;
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unknown dtmf mode '%s' at line %d\n", v->value, v->lineno);
|
|
}
|
|
} else if (!strcasecmp(v->name, "dtmfcodec")) {
|
|
ast_log(LOG_NOTICE, "Option %s at line %d is deprecated. Use dtmfmode=rfc2833[:<payload>] instead.\n", v->name, v->lineno);
|
|
tmp = atoi(v->value);
|
|
if (tmp < 96)
|
|
ast_log(LOG_WARNING, "Invalid %s value %s at line %d\n", v->name, v->value, v->lineno);
|
|
else
|
|
options->dtmfcodec[0] = tmp;
|
|
} else if (!strcasecmp(v->name, "bridge")) {
|
|
options->bridge = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "nat")) {
|
|
options->nat = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "fastStart")) {
|
|
options->fastStart = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "h245Tunneling")) {
|
|
options->h245Tunneling = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "silenceSuppression")) {
|
|
options->silenceSuppression = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "progress_setup")) {
|
|
tmp = atoi(v->value);
|
|
if ((tmp != 0) && (tmp != 1) && (tmp != 3) && (tmp != 8)) {
|
|
ast_log(LOG_WARNING, "Invalid value %s for %s at line %d, assuming 0\n", v->value, v->name, v->lineno);
|
|
tmp = 0;
|
|
}
|
|
options->progress_setup = tmp;
|
|
} else if (!strcasecmp(v->name, "progress_alert")) {
|
|
tmp = atoi(v->value);
|
|
if ((tmp != 0) && (tmp != 1) && (tmp != 8)) {
|
|
ast_log(LOG_WARNING, "Invalid value %s for %s at line %d, assuming 0\n", v->value, v->name, v->lineno);
|
|
tmp = 0;
|
|
}
|
|
options->progress_alert = tmp;
|
|
} else if (!strcasecmp(v->name, "progress_audio")) {
|
|
options->progress_audio = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "callerid")) {
|
|
ast_callerid_split(v->value, options->cid_name, sizeof(options->cid_name), options->cid_num, sizeof(options->cid_num));
|
|
} else if (!strcasecmp(v->name, "fullname")) {
|
|
ast_copy_string(options->cid_name, v->value, sizeof(options->cid_name));
|
|
} else if (!strcasecmp(v->name, "cid_number")) {
|
|
ast_copy_string(options->cid_num, v->value, sizeof(options->cid_num));
|
|
} else if (!strcasecmp(v->name, "tunneling")) {
|
|
if (!strcasecmp(v->value, "none"))
|
|
options->tunnelOptions = 0;
|
|
else if (!strcasecmp(v->value, "cisco"))
|
|
options->tunnelOptions |= H323_TUNNEL_CISCO;
|
|
else if (!strcasecmp(v->value, "qsig"))
|
|
options->tunnelOptions |= H323_TUNNEL_QSIG;
|
|
else
|
|
ast_log(LOG_WARNING, "Invalid value %s for %s at line %d\n", v->value, v->name, v->lineno);
|
|
} else if (!strcasecmp(v->name, "hold")) {
|
|
if (!strcasecmp(v->value, "none"))
|
|
options->holdHandling = ~0;
|
|
else if (!strcasecmp(v->value, "notify"))
|
|
options->holdHandling |= H323_HOLD_NOTIFY;
|
|
else if (!strcasecmp(v->value, "q931only"))
|
|
options->holdHandling |= H323_HOLD_NOTIFY | H323_HOLD_Q931ONLY;
|
|
else if (!strcasecmp(v->value, "h450"))
|
|
options->holdHandling |= H323_HOLD_H450;
|
|
else
|
|
ast_log(LOG_WARNING, "Invalid value %s for %s at line %d\n", v->value, v->name, v->lineno);
|
|
} else
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct oh323_user *build_user(const char *name, struct ast_variable *v, struct ast_variable *alt, int realtime)
|
|
{
|
|
struct oh323_user *user;
|
|
struct ast_ha *oldha;
|
|
int found = 0;
|
|
int format;
|
|
|
|
user = ASTOBJ_CONTAINER_FIND_UNLINK_FULL(&userl, name, name, 0, 0, strcmp);
|
|
|
|
if (user)
|
|
found++;
|
|
else {
|
|
if (!(user = ast_calloc(1, sizeof(*user))))
|
|
return NULL;
|
|
ASTOBJ_INIT(user);
|
|
}
|
|
oldha = user->ha;
|
|
user->ha = (struct ast_ha *)NULL;
|
|
memcpy(&user->options, &global_options, sizeof(user->options));
|
|
user->options.dtmfmode = 0;
|
|
user->options.holdHandling = 0;
|
|
/* Set default context */
|
|
ast_copy_string(user->context, default_context, sizeof(user->context));
|
|
if (user && !found)
|
|
ast_copy_string(user->name, name, sizeof(user->name));
|
|
|
|
#if 0 /* XXX Port channel variables functionality from chan_sip XXX */
|
|
if (user->chanvars) {
|
|
ast_variables_destroy(user->chanvars);
|
|
user->chanvars = NULL;
|
|
}
|
|
#endif
|
|
|
|
for (; v || ((v = alt) && !(alt = NULL)); v = v->next) {
|
|
if (!update_common_options(v, &user->options))
|
|
continue;
|
|
if (!strcasecmp(v->name, "context")) {
|
|
ast_copy_string(user->context, v->value, sizeof(user->context));
|
|
} else if (!strcasecmp(v->name, "secret")) {
|
|
ast_copy_string(user->secret, v->value, sizeof(user->secret));
|
|
} else if (!strcasecmp(v->name, "accountcode")) {
|
|
ast_copy_string(user->accountcode, v->value, sizeof(user->accountcode));
|
|
} else if (!strcasecmp(v->name, "host")) {
|
|
if (!strcasecmp(v->value, "dynamic")) {
|
|
ast_log(LOG_ERROR, "A dynamic host on a type=user does not make any sense\n");
|
|
ASTOBJ_UNREF(user, oh323_destroy_user);
|
|
return NULL;
|
|
} else if (ast_get_ip(&user->addr, v->value)) {
|
|
ASTOBJ_UNREF(user, oh323_destroy_user);
|
|
return NULL;
|
|
}
|
|
/* Let us know we need to use ip authentication */
|
|
user->host = 1;
|
|
} else if (!strcasecmp(v->name, "amaflags")) {
|
|
format = ast_cdr_amaflags2int(v->value);
|
|
if (format < 0) {
|
|
ast_log(LOG_WARNING, "Invalid AMA Flags: %s at line %d\n", v->value, v->lineno);
|
|
} else {
|
|
user->amaflags = format;
|
|
}
|
|
} else if (!strcasecmp(v->name, "permit") ||
|
|
!strcasecmp(v->name, "deny")) {
|
|
int ha_error = 0;
|
|
|
|
user->ha = ast_append_ha(v->name, v->value, user->ha, &ha_error);
|
|
if (ha_error)
|
|
ast_log(LOG_ERROR, "Bad ACL entry in configuration line %d : %s\n", v->lineno, v->value);
|
|
}
|
|
}
|
|
if (!user->options.dtmfmode)
|
|
user->options.dtmfmode = global_options.dtmfmode;
|
|
if (user->options.holdHandling == ~0)
|
|
user->options.holdHandling = 0;
|
|
else if (!user->options.holdHandling)
|
|
user->options.holdHandling = global_options.holdHandling;
|
|
ASTOBJ_UNMARK(user);
|
|
ast_free_ha(oldha);
|
|
return user;
|
|
}
|
|
|
|
static struct oh323_user *realtime_user(const call_details_t *cd)
|
|
{
|
|
struct ast_variable *var, *tmp;
|
|
struct oh323_user *user;
|
|
const char *username;
|
|
|
|
if (userbyalias)
|
|
var = ast_load_realtime("h323", "name", username = cd->call_source_aliases, NULL);
|
|
else {
|
|
username = (char *)NULL;
|
|
var = ast_load_realtime("h323", "host", cd->sourceIp, NULL);
|
|
}
|
|
|
|
if (!var)
|
|
return NULL;
|
|
|
|
for (tmp = var; tmp; tmp = tmp->next) {
|
|
if (!strcasecmp(tmp->name, "type") &&
|
|
!(!strcasecmp(tmp->value, "user") || !strcasecmp(tmp->value, "friend"))) {
|
|
ast_variables_destroy(var);
|
|
return NULL;
|
|
} else if (!username && !strcasecmp(tmp->name, "name"))
|
|
username = tmp->value;
|
|
}
|
|
|
|
if (!username) {
|
|
ast_log(LOG_WARNING, "Cannot determine user name for IP address %s\n", cd->sourceIp);
|
|
ast_variables_destroy(var);
|
|
return NULL;
|
|
}
|
|
|
|
user = build_user(username, var, NULL, 1);
|
|
|
|
ast_variables_destroy(var);
|
|
|
|
return user;
|
|
}
|
|
|
|
static struct oh323_peer *build_peer(const char *name, struct ast_variable *v, struct ast_variable *alt, int realtime)
|
|
{
|
|
struct oh323_peer *peer;
|
|
struct ast_ha *oldha;
|
|
int found = 0;
|
|
|
|
peer = ASTOBJ_CONTAINER_FIND_UNLINK_FULL(&peerl, name, name, 0, 0, strcmp);
|
|
|
|
if (peer)
|
|
found++;
|
|
else {
|
|
if (!(peer = ast_calloc(1, sizeof(*peer))))
|
|
return NULL;
|
|
ASTOBJ_INIT(peer);
|
|
}
|
|
oldha = peer->ha;
|
|
peer->ha = NULL;
|
|
memcpy(&peer->options, &global_options, sizeof(peer->options));
|
|
peer->options.dtmfmode = 0;
|
|
peer->options.holdHandling = 0;
|
|
peer->addr.sin_port = htons(h323_signalling_port);
|
|
peer->addr.sin_family = AF_INET;
|
|
if (!found && name)
|
|
ast_copy_string(peer->name, name, sizeof(peer->name));
|
|
|
|
#if 0 /* XXX Port channel variables functionality from chan_sip XXX */
|
|
if (peer->chanvars) {
|
|
ast_variables_destroy(peer->chanvars);
|
|
peer->chanvars = NULL;
|
|
}
|
|
#endif
|
|
/* Default settings for mailbox */
|
|
peer->mailbox[0] = '\0';
|
|
|
|
for (; v || ((v = alt) && !(alt = NULL)); v = v->next) {
|
|
if (!update_common_options(v, &peer->options))
|
|
continue;
|
|
if (!strcasecmp(v->name, "host")) {
|
|
if (!strcasecmp(v->value, "dynamic")) {
|
|
ast_log(LOG_ERROR, "Dynamic host configuration not implemented.\n");
|
|
ASTOBJ_UNREF(peer, oh323_destroy_peer);
|
|
return NULL;
|
|
}
|
|
if (ast_get_ip(&peer->addr, v->value)) {
|
|
ast_log(LOG_ERROR, "Could not determine IP for %s\n", v->value);
|
|
ASTOBJ_UNREF(peer, oh323_destroy_peer);
|
|
return NULL;
|
|
}
|
|
} else if (!strcasecmp(v->name, "port")) {
|
|
peer->addr.sin_port = htons(atoi(v->value));
|
|
} else if (!strcasecmp(v->name, "permit") ||
|
|
!strcasecmp(v->name, "deny")) {
|
|
int ha_error = 0;
|
|
|
|
peer->ha = ast_append_ha(v->name, v->value, peer->ha, &ha_error);
|
|
if (ha_error)
|
|
ast_log(LOG_ERROR, "Bad ACL entry in configuration line %d : %s\n", v->lineno, v->value);
|
|
} else if (!strcasecmp(v->name, "mailbox")) {
|
|
ast_copy_string(peer->mailbox, v->value, sizeof(peer->mailbox));
|
|
} else if (!strcasecmp(v->name, "hasvoicemail")) {
|
|
if (ast_true(v->value) && ast_strlen_zero(peer->mailbox)) {
|
|
ast_copy_string(peer->mailbox, name, sizeof(peer->mailbox));
|
|
}
|
|
}
|
|
}
|
|
if (!peer->options.dtmfmode)
|
|
peer->options.dtmfmode = global_options.dtmfmode;
|
|
if (peer->options.holdHandling == ~0)
|
|
peer->options.holdHandling = 0;
|
|
else if (!peer->options.holdHandling)
|
|
peer->options.holdHandling = global_options.holdHandling;
|
|
ASTOBJ_UNMARK(peer);
|
|
ast_free_ha(oldha);
|
|
return peer;
|
|
}
|
|
|
|
static struct oh323_peer *realtime_peer(const char *peername, struct sockaddr_in *sin)
|
|
{
|
|
struct oh323_peer *peer;
|
|
struct ast_variable *var;
|
|
struct ast_variable *tmp;
|
|
const char *addr = NULL;
|
|
|
|
/* First check on peer name */
|
|
if (peername)
|
|
var = ast_load_realtime("h323", "name", peername, NULL);
|
|
else if (sin) /* Then check on IP address for dynamic peers */
|
|
var = ast_load_realtime("h323", "host", addr = ast_inet_ntoa(sin->sin_addr), NULL);
|
|
else
|
|
return NULL;
|
|
|
|
if (!var)
|
|
return NULL;
|
|
|
|
for (tmp = var; tmp; tmp = tmp->next) {
|
|
/* If this is type=user, then skip this object. */
|
|
if (!strcasecmp(tmp->name, "type") &&
|
|
!(!strcasecmp(tmp->value, "peer") || !strcasecmp(tmp->value, "friend"))) {
|
|
ast_variables_destroy(var);
|
|
return NULL;
|
|
} else if (!peername && !strcasecmp(tmp->name, "name")) {
|
|
peername = tmp->value;
|
|
}
|
|
}
|
|
|
|
if (!peername) { /* Did not find peer in realtime */
|
|
ast_log(LOG_WARNING, "Cannot determine peer name for IP address %s\n", addr);
|
|
ast_variables_destroy(var);
|
|
return NULL;
|
|
}
|
|
|
|
/* Peer found in realtime, now build it in memory */
|
|
peer = build_peer(peername, var, NULL, 1);
|
|
|
|
ast_variables_destroy(var);
|
|
|
|
return peer;
|
|
}
|
|
|
|
static int oh323_addrcmp_str(struct in_addr inaddr, char *addr)
|
|
{
|
|
return strcmp(ast_inet_ntoa(inaddr), addr);
|
|
}
|
|
|
|
static struct oh323_user *find_user(const call_details_t *cd, int realtime)
|
|
{
|
|
struct oh323_user *u;
|
|
|
|
if (userbyalias)
|
|
u = ASTOBJ_CONTAINER_FIND(&userl, cd->call_source_aliases);
|
|
else
|
|
u = ASTOBJ_CONTAINER_FIND_FULL(&userl, cd->sourceIp, addr.sin_addr, 0, 0, oh323_addrcmp_str);
|
|
|
|
if (!u && realtime)
|
|
u = realtime_user(cd);
|
|
|
|
if (!u && h323debug)
|
|
ast_debug(1, "Could not find user by name %s or address %s\n", cd->call_source_aliases, cd->sourceIp);
|
|
|
|
return u;
|
|
}
|
|
|
|
static int oh323_addrcmp(struct sockaddr_in addr, struct sockaddr_in *sin)
|
|
{
|
|
int res;
|
|
|
|
if (!sin)
|
|
res = -1;
|
|
else
|
|
res = inaddrcmp(&addr , sin);
|
|
|
|
return res;
|
|
}
|
|
|
|
static struct oh323_peer *find_peer(const char *peer, struct sockaddr_in *sin, int realtime)
|
|
{
|
|
struct oh323_peer *p;
|
|
|
|
if (peer)
|
|
p = ASTOBJ_CONTAINER_FIND(&peerl, peer);
|
|
else
|
|
p = ASTOBJ_CONTAINER_FIND_FULL(&peerl, sin, addr, 0, 0, oh323_addrcmp);
|
|
|
|
if (!p && realtime)
|
|
p = realtime_peer(peer, sin);
|
|
|
|
if (!p && h323debug)
|
|
ast_debug(1, "Could not find peer by name %s or address %s\n", (peer ? peer : "<NONE>"), (sin ? ast_inet_ntoa(sin->sin_addr) : "<NONE>"));
|
|
|
|
return p;
|
|
}
|
|
|
|
static int create_addr(struct oh323_pvt *pvt, char *opeer)
|
|
{
|
|
struct hostent *hp;
|
|
struct ast_hostent ahp;
|
|
struct oh323_peer *p;
|
|
int portno;
|
|
int found = 0;
|
|
char *port;
|
|
char *hostn;
|
|
char peer[256] = "";
|
|
|
|
ast_copy_string(peer, opeer, sizeof(peer));
|
|
port = strchr(peer, ':');
|
|
if (port) {
|
|
*port = '\0';
|
|
port++;
|
|
}
|
|
pvt->sa.sin_family = AF_INET;
|
|
p = find_peer(peer, NULL, 1);
|
|
if (p) {
|
|
found++;
|
|
memcpy(&pvt->options, &p->options, sizeof(pvt->options));
|
|
pvt->jointcapability = pvt->options.capability;
|
|
if (pvt->options.dtmfmode) {
|
|
if (pvt->options.dtmfmode & H323_DTMF_RFC2833) {
|
|
pvt->nonCodecCapability |= AST_RTP_DTMF;
|
|
} else {
|
|
pvt->nonCodecCapability &= ~AST_RTP_DTMF;
|
|
}
|
|
}
|
|
if (p->addr.sin_addr.s_addr) {
|
|
pvt->sa.sin_addr = p->addr.sin_addr;
|
|
pvt->sa.sin_port = p->addr.sin_port;
|
|
}
|
|
ASTOBJ_UNREF(p, oh323_destroy_peer);
|
|
}
|
|
if (!p && !found) {
|
|
hostn = peer;
|
|
if (port) {
|
|
portno = atoi(port);
|
|
} else {
|
|
portno = h323_signalling_port;
|
|
}
|
|
hp = ast_gethostbyname(hostn, &ahp);
|
|
if (hp) {
|
|
memcpy(&pvt->sa.sin_addr, hp->h_addr, sizeof(pvt->sa.sin_addr));
|
|
pvt->sa.sin_port = htons(portno);
|
|
/* Look peer by address */
|
|
p = find_peer(NULL, &pvt->sa, 1);
|
|
memcpy(&pvt->options, (p ? &p->options : &global_options), sizeof(pvt->options));
|
|
pvt->jointcapability = pvt->options.capability;
|
|
if (p) {
|
|
ASTOBJ_UNREF(p, oh323_destroy_peer);
|
|
}
|
|
if (pvt->options.dtmfmode) {
|
|
if (pvt->options.dtmfmode & H323_DTMF_RFC2833) {
|
|
pvt->nonCodecCapability |= AST_RTP_DTMF;
|
|
} else {
|
|
pvt->nonCodecCapability &= ~AST_RTP_DTMF;
|
|
}
|
|
}
|
|
return 0;
|
|
} else {
|
|
ast_log(LOG_WARNING, "No such host: %s\n", peer);
|
|
return -1;
|
|
}
|
|
} else if (!found) {
|
|
return -1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
static struct ast_channel *oh323_request(const char *type, int format, void *data, int *cause)
|
|
{
|
|
int oldformat;
|
|
struct oh323_pvt *pvt;
|
|
struct ast_channel *tmpc = NULL;
|
|
char *dest = (char *)data;
|
|
char *ext, *host;
|
|
char *h323id = NULL;
|
|
char tmp[256], tmp1[256];
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "type=%s, format=%d, data=%s.\n", type, format, (char *)data);
|
|
|
|
pvt = oh323_alloc(0);
|
|
if (!pvt) {
|
|
ast_log(LOG_WARNING, "Unable to build pvt data for '%s'\n", (char *)data);
|
|
return NULL;
|
|
}
|
|
oldformat = format;
|
|
format &= AST_FORMAT_AUDIO_MASK;
|
|
if (!format) {
|
|
ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format);
|
|
oh323_destroy(pvt);
|
|
if (cause)
|
|
*cause = AST_CAUSE_INCOMPATIBLE_DESTINATION;
|
|
return NULL;
|
|
}
|
|
ast_copy_string(tmp, dest, sizeof(tmp));
|
|
host = strchr(tmp, '@');
|
|
if (host) {
|
|
*host = '\0';
|
|
host++;
|
|
ext = tmp;
|
|
} else {
|
|
ext = strrchr(tmp, '/');
|
|
if (ext)
|
|
*ext++ = '\0';
|
|
host = tmp;
|
|
}
|
|
strtok_r(host, "/", &(h323id));
|
|
if (!ast_strlen_zero(h323id)) {
|
|
h323_set_id(h323id);
|
|
}
|
|
if (ext) {
|
|
ast_copy_string(pvt->exten, ext, sizeof(pvt->exten));
|
|
}
|
|
if (h323debug)
|
|
ast_debug(1, "Extension: %s Host: %s\n", pvt->exten, host);
|
|
|
|
if (gatekeeper_disable) {
|
|
if (create_addr(pvt, host)) {
|
|
oh323_destroy(pvt);
|
|
if (cause)
|
|
*cause = AST_CAUSE_DESTINATION_OUT_OF_ORDER;
|
|
return NULL;
|
|
}
|
|
}
|
|
else {
|
|
memcpy(&pvt->options, &global_options, sizeof(pvt->options));
|
|
pvt->jointcapability = pvt->options.capability;
|
|
if (pvt->options.dtmfmode) {
|
|
if (pvt->options.dtmfmode & H323_DTMF_RFC2833) {
|
|
pvt->nonCodecCapability |= AST_RTP_DTMF;
|
|
} else {
|
|
pvt->nonCodecCapability &= ~AST_RTP_DTMF;
|
|
}
|
|
}
|
|
}
|
|
|
|
ast_mutex_lock(&caplock);
|
|
/* Generate unique channel identifier */
|
|
snprintf(tmp1, sizeof(tmp1)-1, "%s-%u", host, ++unique);
|
|
tmp1[sizeof(tmp1)-1] = '\0';
|
|
ast_mutex_unlock(&caplock);
|
|
|
|
ast_mutex_lock(&pvt->lock);
|
|
tmpc = __oh323_new(pvt, AST_STATE_DOWN, tmp1);
|
|
ast_mutex_unlock(&pvt->lock);
|
|
if (!tmpc) {
|
|
oh323_destroy(pvt);
|
|
if (cause)
|
|
*cause = AST_CAUSE_NORMAL_TEMPORARY_FAILURE;
|
|
}
|
|
ast_update_use_count();
|
|
restart_monitor();
|
|
return tmpc;
|
|
}
|
|
|
|
/*! \brief Find a call by alias */
|
|
static struct oh323_alias *find_alias(const char *source_aliases, int realtime)
|
|
{
|
|
struct oh323_alias *a;
|
|
|
|
a = ASTOBJ_CONTAINER_FIND(&aliasl, source_aliases);
|
|
|
|
if (!a && realtime)
|
|
a = realtime_alias(source_aliases);
|
|
|
|
return a;
|
|
}
|
|
|
|
/*! \brief
|
|
* Callback for sending digits from H.323 up to asterisk
|
|
*
|
|
*/
|
|
static int receive_digit(unsigned call_reference, char digit, const char *token, int duration)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
int res;
|
|
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt) {
|
|
ast_log(LOG_ERROR, "Received digit '%c' (%u ms) for call %s without private structure\n", digit, duration, token);
|
|
return -1;
|
|
}
|
|
if (h323debug)
|
|
ast_log(LOG_DTMF, "Received %s digit '%c' (%u ms) for call %s\n", (digit == ' ' ? "update for" : "new"), (digit == ' ' ? pvt->curDTMF : digit), duration, token);
|
|
|
|
if (pvt->owner && !ast_channel_trylock(pvt->owner)) {
|
|
if (digit == '!')
|
|
res = ast_queue_control(pvt->owner, AST_CONTROL_FLASH);
|
|
else {
|
|
struct ast_frame f = {
|
|
.frametype = AST_FRAME_DTMF_END,
|
|
.subclass = digit,
|
|
.samples = duration * 8,
|
|
.len = duration,
|
|
.src = "SEND_DIGIT",
|
|
};
|
|
if (digit == ' ') { /* signalUpdate message */
|
|
f.subclass = pvt->curDTMF;
|
|
AST_SCHED_DEL(sched, pvt->DTMFsched);
|
|
} else { /* Regular input or signal message */
|
|
if (pvt->DTMFsched >= 0) {
|
|
/* We still don't send DTMF END from previous event, send it now */
|
|
AST_SCHED_DEL(sched, pvt->DTMFsched);
|
|
f.subclass = pvt->curDTMF;
|
|
f.samples = f.len = 0;
|
|
ast_queue_frame(pvt->owner, &f);
|
|
/* Restore values */
|
|
f.subclass = digit;
|
|
f.samples = duration * 8;
|
|
f.len = duration;
|
|
}
|
|
if (duration) { /* This is a signal, signalUpdate follows */
|
|
f.frametype = AST_FRAME_DTMF_BEGIN;
|
|
pvt->DTMFsched = ast_sched_add(sched, duration, oh323_simulate_dtmf_end, pvt);
|
|
if (h323debug)
|
|
ast_log(LOG_DTMF, "Scheduled DTMF END simulation for %d ms, id=%d\n", duration, pvt->DTMFsched);
|
|
}
|
|
pvt->curDTMF = digit;
|
|
}
|
|
res = ast_queue_frame(pvt->owner, &f);
|
|
}
|
|
ast_channel_unlock(pvt->owner);
|
|
} else {
|
|
if (digit == '!')
|
|
pvt->newcontrol = AST_CONTROL_FLASH;
|
|
else {
|
|
pvt->newduration = duration;
|
|
pvt->newdigit = digit;
|
|
}
|
|
res = 0;
|
|
}
|
|
ast_mutex_unlock(&pvt->lock);
|
|
return res;
|
|
}
|
|
|
|
/*! \brief
|
|
* Callback function used to inform the H.323 stack of the local rtp ip/port details
|
|
*
|
|
* \return Returns the local RTP information
|
|
*/
|
|
static struct rtp_info *external_rtp_create(unsigned call_reference, const char * token)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
struct sockaddr_in us;
|
|
struct rtp_info *info;
|
|
|
|
info = ast_calloc(1, sizeof(*info));
|
|
if (!info) {
|
|
ast_log(LOG_ERROR, "Unable to allocated info structure, this is very bad\n");
|
|
return NULL;
|
|
}
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt) {
|
|
ast_free(info);
|
|
ast_log(LOG_ERROR, "Unable to find call %s(%d)\n", token, call_reference);
|
|
return NULL;
|
|
}
|
|
if (!pvt->rtp)
|
|
__oh323_rtp_create(pvt);
|
|
if (!pvt->rtp) {
|
|
ast_mutex_unlock(&pvt->lock);
|
|
ast_free(info);
|
|
ast_log(LOG_ERROR, "No RTP stream is available for call %s (%d)", token, call_reference);
|
|
return NULL;
|
|
}
|
|
/* figure out our local RTP port and tell the H.323 stack about it */
|
|
ast_rtp_get_us(pvt->rtp, &us);
|
|
ast_mutex_unlock(&pvt->lock);
|
|
|
|
ast_copy_string(info->addr, ast_inet_ntoa(us.sin_addr), sizeof(info->addr));
|
|
info->port = ntohs(us.sin_port);
|
|
if (h323debug)
|
|
ast_debug(1, "Sending RTP 'US' %s:%d\n", info->addr, info->port);
|
|
return info;
|
|
}
|
|
|
|
/*
|
|
* Definition taken from rtp.c for rtpPayloadType because we need it here.
|
|
*/
|
|
|
|
struct rtpPayloadType {
|
|
int isAstFormat; /* whether the following code is an AST_FORMAT */
|
|
int code;
|
|
};
|
|
|
|
/*! \brief
|
|
* Call-back function passing remote ip/port information from H.323 to asterisk
|
|
*
|
|
* Returns nothing
|
|
*/
|
|
static void setup_rtp_connection(unsigned call_reference, const char *remoteIp, int remotePort, const char *token, int pt)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
struct sockaddr_in them;
|
|
struct rtpPayloadType rtptype;
|
|
int nativeformats_changed;
|
|
enum { NEED_NONE, NEED_HOLD, NEED_UNHOLD } rtp_change = NEED_NONE;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Setting up RTP connection for %s\n", token);
|
|
|
|
/* Find the call or allocate a private structure if call not found */
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt) {
|
|
ast_log(LOG_ERROR, "Something is wrong: rtp\n");
|
|
return;
|
|
}
|
|
if (pvt->alreadygone) {
|
|
ast_mutex_unlock(&pvt->lock);
|
|
return;
|
|
}
|
|
|
|
if (!pvt->rtp)
|
|
__oh323_rtp_create(pvt);
|
|
|
|
if ((pt == 2) && (pvt->jointcapability & AST_FORMAT_G726_AAL2)) {
|
|
ast_rtp_set_rtpmap_type(pvt->rtp, pt, "audio", "G726-32", AST_RTP_OPT_G726_NONSTANDARD);
|
|
}
|
|
|
|
them.sin_family = AF_INET;
|
|
/* only works for IPv4 */
|
|
them.sin_addr.s_addr = inet_addr(remoteIp);
|
|
them.sin_port = htons(remotePort);
|
|
|
|
if (them.sin_addr.s_addr) {
|
|
ast_rtp_set_peer(pvt->rtp, &them);
|
|
if (pvt->recvonly) {
|
|
pvt->recvonly = 0;
|
|
rtp_change = NEED_UNHOLD;
|
|
}
|
|
} else {
|
|
ast_rtp_stop(pvt->rtp);
|
|
if (!pvt->recvonly) {
|
|
pvt->recvonly = 1;
|
|
rtp_change = NEED_HOLD;
|
|
}
|
|
}
|
|
|
|
/* Change native format to reflect information taken from OLC/OLCAck */
|
|
nativeformats_changed = 0;
|
|
if (pt != 128 && pvt->rtp) { /* Payload type is invalid, so try to use previously decided */
|
|
rtptype = ast_rtp_lookup_pt(pvt->rtp, pt);
|
|
if (h323debug)
|
|
ast_debug(1, "Native format is set to %d from %d by RTP payload type %d\n", rtptype.code, pvt->nativeformats, pt);
|
|
if (pvt->nativeformats != rtptype.code) {
|
|
pvt->nativeformats = rtptype.code;
|
|
nativeformats_changed = 1;
|
|
}
|
|
} else if (h323debug)
|
|
ast_log(LOG_NOTICE, "Payload type is unknown, formats isn't changed\n");
|
|
|
|
/* Don't try to lock the channel if nothing changed */
|
|
if (nativeformats_changed || pvt->options.progress_audio || (rtp_change != NEED_NONE)) {
|
|
if (pvt->owner && !ast_channel_trylock(pvt->owner)) {
|
|
/* Re-build translation path only if native format(s) has been changed */
|
|
if (pvt->owner->nativeformats != pvt->nativeformats) {
|
|
if (h323debug)
|
|
ast_debug(1, "Native format changed to %d from %d, read format is %d, write format is %d\n", pvt->nativeformats, pvt->owner->nativeformats, pvt->owner->readformat, pvt->owner->writeformat);
|
|
pvt->owner->nativeformats = pvt->nativeformats;
|
|
ast_set_read_format(pvt->owner, pvt->owner->readformat);
|
|
ast_set_write_format(pvt->owner, pvt->owner->writeformat);
|
|
}
|
|
if (pvt->options.progress_audio)
|
|
ast_queue_control(pvt->owner, AST_CONTROL_PROGRESS);
|
|
switch (rtp_change) {
|
|
case NEED_HOLD:
|
|
ast_queue_control(pvt->owner, AST_CONTROL_HOLD);
|
|
break;
|
|
case NEED_UNHOLD:
|
|
ast_queue_control(pvt->owner, AST_CONTROL_UNHOLD);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
ast_channel_unlock(pvt->owner);
|
|
}
|
|
else {
|
|
if (pvt->options.progress_audio)
|
|
pvt->newcontrol = AST_CONTROL_PROGRESS;
|
|
else if (rtp_change == NEED_HOLD)
|
|
pvt->newcontrol = AST_CONTROL_HOLD;
|
|
else if (rtp_change == NEED_UNHOLD)
|
|
pvt->newcontrol = AST_CONTROL_UNHOLD;
|
|
if (h323debug)
|
|
ast_debug(1, "RTP connection preparation for %s is pending...\n", token);
|
|
}
|
|
}
|
|
ast_mutex_unlock(&pvt->lock);
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "RTP connection prepared for %s\n", token);
|
|
|
|
return;
|
|
}
|
|
|
|
/*! \brief
|
|
* Call-back function to signal asterisk that the channel has been answered
|
|
* Returns nothing
|
|
*/
|
|
static void connection_made(unsigned call_reference, const char *token)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Call %s answered\n", token);
|
|
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt) {
|
|
ast_log(LOG_ERROR, "Something is wrong: connection\n");
|
|
return;
|
|
}
|
|
|
|
/* Inform asterisk about remote party connected only on outgoing calls */
|
|
if (!pvt->outgoing) {
|
|
ast_mutex_unlock(&pvt->lock);
|
|
return;
|
|
}
|
|
/* Do not send ANSWER message more than once */
|
|
if (!pvt->connection_established) {
|
|
pvt->connection_established = 1;
|
|
update_state(pvt, -1, AST_CONTROL_ANSWER);
|
|
}
|
|
ast_mutex_unlock(&pvt->lock);
|
|
return;
|
|
}
|
|
|
|
static int progress(unsigned call_reference, const char *token, int inband)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Received ALERT/PROGRESS message for %s tones\n", (inband ? "inband" : "self-generated"));
|
|
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt) {
|
|
ast_log(LOG_ERROR, "Private structure not found in progress.\n");
|
|
return -1;
|
|
}
|
|
if (!pvt->owner) {
|
|
ast_mutex_unlock(&pvt->lock);
|
|
ast_log(LOG_ERROR, "No Asterisk channel associated with private structure.\n");
|
|
return -1;
|
|
}
|
|
update_state(pvt, -1, (inband ? AST_CONTROL_PROGRESS : AST_CONTROL_RINGING));
|
|
ast_mutex_unlock(&pvt->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief
|
|
* Call-back function for incoming calls
|
|
*
|
|
* Returns 1 on success
|
|
*/
|
|
static call_options_t *setup_incoming_call(call_details_t *cd)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
struct oh323_user *user = NULL;
|
|
struct oh323_alias *alias = NULL;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Setting up incoming call for %s\n", cd->call_token);
|
|
|
|
/* allocate the call*/
|
|
pvt = oh323_alloc(cd->call_reference);
|
|
|
|
if (!pvt) {
|
|
ast_log(LOG_ERROR, "Unable to allocate private structure, this is bad.\n");
|
|
cleanup_call_details(cd);
|
|
return NULL;
|
|
}
|
|
|
|
/* Populate the call details in the private structure */
|
|
memcpy(&pvt->cd, cd, sizeof(pvt->cd));
|
|
memcpy(&pvt->options, &global_options, sizeof(pvt->options));
|
|
pvt->jointcapability = pvt->options.capability;
|
|
|
|
if (h323debug) {
|
|
ast_verb(3, "Setting up Call\n");
|
|
ast_verb(3, " \tCall token: [%s]\n", pvt->cd.call_token);
|
|
ast_verb(3, " \tCalling party name: [%s]\n", pvt->cd.call_source_name);
|
|
ast_verb(3, " \tCalling party number: [%s]\n", pvt->cd.call_source_e164);
|
|
ast_verb(3, " \tCalled party name: [%s]\n", pvt->cd.call_dest_alias);
|
|
ast_verb(3, " \tCalled party number: [%s]\n", pvt->cd.call_dest_e164);
|
|
if (pvt->cd.redirect_reason >= 0)
|
|
ast_verb(3, " \tRedirecting party number: [%s] (reason %d)\n", pvt->cd.redirect_number, pvt->cd.redirect_reason);
|
|
ast_verb(3, " \tCalling party IP: [%s]\n", pvt->cd.sourceIp);
|
|
}
|
|
|
|
/* Decide if we are allowing Gatekeeper routed calls*/
|
|
if ((!strcasecmp(cd->sourceIp, gatekeeper)) && (gkroute == -1) && !gatekeeper_disable) {
|
|
if (!ast_strlen_zero(cd->call_dest_e164)) {
|
|
ast_copy_string(pvt->exten, cd->call_dest_e164, sizeof(pvt->exten));
|
|
ast_copy_string(pvt->context, default_context, sizeof(pvt->context));
|
|
} else {
|
|
alias = find_alias(cd->call_dest_alias, 1);
|
|
if (!alias) {
|
|
ast_log(LOG_ERROR, "Call for %s rejected, alias not found\n", cd->call_dest_alias);
|
|
oh323_destroy(pvt);
|
|
return NULL;
|
|
}
|
|
ast_copy_string(pvt->exten, alias->name, sizeof(pvt->exten));
|
|
ast_copy_string(pvt->context, alias->context, sizeof(pvt->context));
|
|
}
|
|
} else {
|
|
/* Either this call is not from the Gatekeeper
|
|
or we are not allowing gk routed calls */
|
|
user = find_user(cd, 1);
|
|
if (!user) {
|
|
if (!acceptAnonymous) {
|
|
ast_log(LOG_NOTICE, "Anonymous call from '%s@%s' rejected\n", pvt->cd.call_source_aliases, pvt->cd.sourceIp);
|
|
oh323_destroy(pvt);
|
|
return NULL;
|
|
}
|
|
if (ast_strlen_zero(default_context)) {
|
|
ast_log(LOG_ERROR, "Call from '%s@%s' rejected due to no default context\n", pvt->cd.call_source_aliases, pvt->cd.sourceIp);
|
|
oh323_destroy(pvt);
|
|
return NULL;
|
|
}
|
|
ast_copy_string(pvt->context, default_context, sizeof(pvt->context));
|
|
if (!ast_strlen_zero(pvt->cd.call_dest_e164)) {
|
|
ast_copy_string(pvt->exten, cd->call_dest_e164, sizeof(pvt->exten));
|
|
} else {
|
|
ast_copy_string(pvt->exten, cd->call_dest_alias, sizeof(pvt->exten));
|
|
}
|
|
if (h323debug)
|
|
ast_debug(1, "Sending %s@%s to context [%s] extension %s\n", cd->call_source_aliases, cd->sourceIp, pvt->context, pvt->exten);
|
|
} else {
|
|
if (user->host) {
|
|
if (strcasecmp(cd->sourceIp, ast_inet_ntoa(user->addr.sin_addr))) {
|
|
if (ast_strlen_zero(user->context)) {
|
|
if (ast_strlen_zero(default_context)) {
|
|
ast_log(LOG_ERROR, "Call from '%s' rejected due to non-matching IP address (%s) and no default context\n", user->name, cd->sourceIp);
|
|
oh323_destroy(pvt);
|
|
ASTOBJ_UNREF(user, oh323_destroy_user);
|
|
return NULL;
|
|
}
|
|
ast_copy_string(pvt->context, default_context, sizeof(pvt->context));
|
|
} else {
|
|
ast_copy_string(pvt->context, user->context, sizeof(pvt->context));
|
|
}
|
|
pvt->exten[0] = 'i';
|
|
pvt->exten[1] = '\0';
|
|
ast_log(LOG_ERROR, "Call from '%s' rejected due to non-matching IP address (%s)s\n", user->name, cd->sourceIp);
|
|
oh323_destroy(pvt);
|
|
ASTOBJ_UNREF(user, oh323_destroy_user);
|
|
return NULL; /* XXX: Hmmm... Why to setup context if we drop connection immediately??? */
|
|
}
|
|
}
|
|
ast_copy_string(pvt->context, user->context, sizeof(pvt->context));
|
|
memcpy(&pvt->options, &user->options, sizeof(pvt->options));
|
|
pvt->jointcapability = pvt->options.capability;
|
|
if (!ast_strlen_zero(pvt->cd.call_dest_e164)) {
|
|
ast_copy_string(pvt->exten, cd->call_dest_e164, sizeof(pvt->exten));
|
|
} else {
|
|
ast_copy_string(pvt->exten, cd->call_dest_alias, sizeof(pvt->exten));
|
|
}
|
|
if (!ast_strlen_zero(user->accountcode)) {
|
|
ast_copy_string(pvt->accountcode, user->accountcode, sizeof(pvt->accountcode));
|
|
}
|
|
if (user->amaflags) {
|
|
pvt->amaflags = user->amaflags;
|
|
}
|
|
ASTOBJ_UNREF(user, oh323_destroy_user);
|
|
}
|
|
}
|
|
return &pvt->options;
|
|
}
|
|
|
|
/*! \brief
|
|
* Call-back function to start PBX when OpenH323 ready to serve incoming call
|
|
*
|
|
* Returns 1 on success
|
|
*/
|
|
static int answer_call(unsigned call_reference, const char *token)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
struct ast_channel *c = NULL;
|
|
enum {ext_original, ext_s, ext_i, ext_notexists} try_exten;
|
|
char tmp_exten[sizeof(pvt->exten)];
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Preparing Asterisk to answer for %s\n", token);
|
|
|
|
/* Find the call or allocate a private structure if call not found */
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt) {
|
|
ast_log(LOG_ERROR, "Something is wrong: answer_call\n");
|
|
return 0;
|
|
}
|
|
/* Check if requested extension@context pair exists in the dialplan */
|
|
ast_copy_string(tmp_exten, pvt->exten, sizeof(tmp_exten));
|
|
|
|
/* Try to find best extension in specified context */
|
|
if ((tmp_exten[0] != '\0') && (tmp_exten[1] == '\0')) {
|
|
if (tmp_exten[0] == 's')
|
|
try_exten = ext_s;
|
|
else if (tmp_exten[0] == 'i')
|
|
try_exten = ext_i;
|
|
else
|
|
try_exten = ext_original;
|
|
} else
|
|
try_exten = ext_original;
|
|
do {
|
|
if (ast_exists_extension(NULL, pvt->context, tmp_exten, 1, NULL))
|
|
break;
|
|
switch (try_exten) {
|
|
case ext_original:
|
|
tmp_exten[0] = 's';
|
|
tmp_exten[1] = '\0';
|
|
try_exten = ext_s;
|
|
break;
|
|
case ext_s:
|
|
tmp_exten[0] = 'i';
|
|
try_exten = ext_i;
|
|
break;
|
|
case ext_i:
|
|
try_exten = ext_notexists;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} while (try_exten != ext_notexists);
|
|
|
|
/* Drop the call if we don't have <exten>, s and i extensions */
|
|
if (try_exten == ext_notexists) {
|
|
ast_log(LOG_NOTICE, "Dropping call because extensions '%s', 's' and 'i' doesn't exists in context [%s]\n", pvt->exten, pvt->context);
|
|
ast_mutex_unlock(&pvt->lock);
|
|
h323_clear_call(token, AST_CAUSE_UNALLOCATED);
|
|
return 0;
|
|
} else if ((try_exten != ext_original) && (strcmp(pvt->exten, tmp_exten) != 0)) {
|
|
if (h323debug)
|
|
ast_debug(1, "Going to extension %s@%s because %s@%s isn't exists\n", tmp_exten, pvt->context, pvt->exten, pvt->context);
|
|
ast_copy_string(pvt->exten, tmp_exten, sizeof(pvt->exten));
|
|
}
|
|
|
|
/* allocate a channel and tell asterisk about it */
|
|
c = __oh323_new(pvt, AST_STATE_RINGING, pvt->cd.call_token);
|
|
|
|
/* And release when done */
|
|
ast_mutex_unlock(&pvt->lock);
|
|
if (!c) {
|
|
ast_log(LOG_ERROR, "Couldn't create channel. This is bad\n");
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/*! \brief
|
|
* Call-back function to establish an outgoing H.323 call
|
|
*
|
|
* Returns 1 on success
|
|
*/
|
|
static int setup_outgoing_call(call_details_t *cd)
|
|
{
|
|
/* Use argument here or free it immediately */
|
|
cleanup_call_details(cd);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*! \brief
|
|
* Call-back function to signal asterisk that the channel is ringing
|
|
* Returns nothing
|
|
*/
|
|
static void chan_ringing(unsigned call_reference, const char *token)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Ringing on %s\n", token);
|
|
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt) {
|
|
ast_log(LOG_ERROR, "Something is wrong: ringing\n");
|
|
return;
|
|
}
|
|
if (!pvt->owner) {
|
|
ast_mutex_unlock(&pvt->lock);
|
|
ast_log(LOG_ERROR, "Channel has no owner\n");
|
|
return;
|
|
}
|
|
update_state(pvt, AST_STATE_RINGING, AST_CONTROL_RINGING);
|
|
ast_mutex_unlock(&pvt->lock);
|
|
return;
|
|
}
|
|
|
|
/*! \brief
|
|
* Call-back function to cleanup communication
|
|
* Returns nothing,
|
|
*/
|
|
static void cleanup_connection(unsigned call_reference, const char *call_token)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Cleaning connection to %s\n", call_token);
|
|
|
|
while (1) {
|
|
pvt = find_call_locked(call_reference, call_token);
|
|
if (!pvt) {
|
|
if (h323debug)
|
|
ast_debug(1, "No connection for %s\n", call_token);
|
|
return;
|
|
}
|
|
if (!pvt->owner || !ast_channel_trylock(pvt->owner))
|
|
break;
|
|
#if 1
|
|
ast_log(LOG_NOTICE, "Avoiding H.323 destory deadlock on %s\n", call_token);
|
|
#ifdef DEBUG_THREADS
|
|
/* XXX to be completed
|
|
* If we want to print more info on who is holding the lock,
|
|
* implement the relevant code in lock.h and use the routines
|
|
* supplied there.
|
|
*/
|
|
#endif
|
|
#endif
|
|
ast_mutex_unlock(&pvt->lock);
|
|
usleep(1);
|
|
}
|
|
if (pvt->rtp) {
|
|
/* Immediately stop RTP */
|
|
ast_rtp_destroy(pvt->rtp);
|
|
pvt->rtp = NULL;
|
|
}
|
|
/* Free dsp used for in-band DTMF detection */
|
|
if (pvt->vad) {
|
|
ast_dsp_free(pvt->vad);
|
|
pvt->vad = NULL;
|
|
}
|
|
cleanup_call_details(&pvt->cd);
|
|
pvt->alreadygone = 1;
|
|
/* Send hangup */
|
|
if (pvt->owner) {
|
|
pvt->owner->_softhangup |= AST_SOFTHANGUP_DEV;
|
|
ast_queue_hangup(pvt->owner);
|
|
ast_channel_unlock(pvt->owner);
|
|
}
|
|
ast_mutex_unlock(&pvt->lock);
|
|
if (h323debug)
|
|
ast_debug(1, "Connection to %s cleaned\n", call_token);
|
|
return;
|
|
}
|
|
|
|
static void hangup_connection(unsigned int call_reference, const char *token, int cause)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Hanging up connection to %s with cause %d\n", token, cause);
|
|
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt) {
|
|
if (h323debug)
|
|
ast_debug(1, "Connection to %s already cleared\n", token);
|
|
return;
|
|
}
|
|
if (pvt->owner && !ast_channel_trylock(pvt->owner)) {
|
|
pvt->owner->_softhangup |= AST_SOFTHANGUP_DEV;
|
|
pvt->owner->hangupcause = pvt->hangupcause = cause;
|
|
ast_queue_hangup_with_cause(pvt->owner, cause);
|
|
ast_channel_unlock(pvt->owner);
|
|
}
|
|
else {
|
|
pvt->needhangup = 1;
|
|
pvt->hangupcause = cause;
|
|
if (h323debug)
|
|
ast_debug(1, "Hangup for %s is pending\n", token);
|
|
}
|
|
ast_mutex_unlock(&pvt->lock);
|
|
}
|
|
|
|
static void set_dtmf_payload(unsigned call_reference, const char *token, int payload, int is_cisco)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Setting %s DTMF payload to %d on %s\n", (is_cisco ? "Cisco" : "RFC2833"), payload, token);
|
|
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt) {
|
|
return;
|
|
}
|
|
if (pvt->rtp) {
|
|
ast_rtp_set_rtpmap_type(pvt->rtp, payload, "audio", (is_cisco ? "cisco-telephone-event" : "telephone-event"), 0);
|
|
}
|
|
pvt->dtmf_pt[is_cisco ? 1 : 0] = payload;
|
|
ast_mutex_unlock(&pvt->lock);
|
|
if (h323debug)
|
|
ast_debug(1, "DTMF payload on %s set to %d\n", token, payload);
|
|
}
|
|
|
|
static void set_peer_capabilities(unsigned call_reference, const char *token, int capabilities, struct ast_codec_pref *prefs)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Got remote capabilities from connection %s\n", token);
|
|
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt)
|
|
return;
|
|
pvt->peercapability = capabilities;
|
|
pvt->jointcapability = pvt->options.capability & capabilities;
|
|
if (prefs) {
|
|
memcpy(&pvt->peer_prefs, prefs, sizeof(pvt->peer_prefs));
|
|
if (h323debug) {
|
|
int i;
|
|
for (i = 0; i < 32; ++i) {
|
|
if (!prefs->order[i])
|
|
break;
|
|
ast_debug(1, "prefs[%d]=%s:%d\n", i, (prefs->order[i] ? ast_getformatname(1 << (prefs->order[i]-1)) : "<none>"), prefs->framing[i]);
|
|
}
|
|
}
|
|
if (pvt->rtp)
|
|
ast_rtp_codec_setpref(pvt->rtp, &pvt->peer_prefs);
|
|
}
|
|
ast_mutex_unlock(&pvt->lock);
|
|
}
|
|
|
|
static void set_local_capabilities(unsigned call_reference, const char *token)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
int capability, dtmfmode, pref_codec;
|
|
struct ast_codec_pref prefs;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Setting capabilities for connection %s\n", token);
|
|
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt)
|
|
return;
|
|
capability = (pvt->jointcapability) ? pvt->jointcapability : pvt->options.capability;
|
|
dtmfmode = pvt->options.dtmfmode;
|
|
prefs = pvt->options.prefs;
|
|
pref_codec = pvt->pref_codec;
|
|
ast_mutex_unlock(&pvt->lock);
|
|
h323_set_capabilities(token, capability, dtmfmode, &prefs, pref_codec);
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Capabilities for connection %s is set\n", token);
|
|
}
|
|
|
|
static void remote_hold(unsigned call_reference, const char *token, int is_hold)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
|
|
if (h323debug)
|
|
ast_debug(1, "Setting %shold status for connection %s\n", (is_hold ? "" : "un"), token);
|
|
|
|
pvt = find_call_locked(call_reference, token);
|
|
if (!pvt)
|
|
return;
|
|
if (pvt->owner && !ast_channel_trylock(pvt->owner)) {
|
|
if (is_hold)
|
|
ast_queue_control(pvt->owner, AST_CONTROL_HOLD);
|
|
else
|
|
ast_queue_control(pvt->owner, AST_CONTROL_UNHOLD);
|
|
ast_channel_unlock(pvt->owner);
|
|
}
|
|
else {
|
|
if (is_hold)
|
|
pvt->newcontrol = AST_CONTROL_HOLD;
|
|
else
|
|
pvt->newcontrol = AST_CONTROL_UNHOLD;
|
|
}
|
|
ast_mutex_unlock(&pvt->lock);
|
|
}
|
|
|
|
static void *do_monitor(void *data)
|
|
{
|
|
int res;
|
|
int reloading;
|
|
struct oh323_pvt *oh323 = NULL;
|
|
|
|
for(;;) {
|
|
/* Check for a reload request */
|
|
ast_mutex_lock(&h323_reload_lock);
|
|
reloading = h323_reloading;
|
|
h323_reloading = 0;
|
|
ast_mutex_unlock(&h323_reload_lock);
|
|
if (reloading) {
|
|
ast_verb(1, "Reloading H.323\n");
|
|
h323_do_reload();
|
|
}
|
|
/* Check for interfaces needing to be killed */
|
|
if (!ast_mutex_trylock(&iflock)) {
|
|
#if 1
|
|
do {
|
|
for (oh323 = iflist; oh323; oh323 = oh323->next) {
|
|
if (!ast_mutex_trylock(&oh323->lock)) {
|
|
if (oh323->needdestroy) {
|
|
__oh323_destroy(oh323);
|
|
break;
|
|
}
|
|
ast_mutex_unlock(&oh323->lock);
|
|
}
|
|
}
|
|
} while (/*oh323*/ 0);
|
|
#else
|
|
restartsearch:
|
|
oh323 = iflist;
|
|
while(oh323) {
|
|
if (!ast_mutex_trylock(&oh323->lock)) {
|
|
if (oh323->needdestroy) {
|
|
__oh323_destroy(oh323);
|
|
goto restartsearch;
|
|
}
|
|
ast_mutex_unlock(&oh323->lock);
|
|
oh323 = oh323->next;
|
|
}
|
|
}
|
|
#endif
|
|
ast_mutex_unlock(&iflock);
|
|
} else
|
|
oh323 = (struct oh323_pvt *)1; /* Force fast loop */
|
|
pthread_testcancel();
|
|
/* Wait for sched or io */
|
|
res = ast_sched_wait(sched);
|
|
if ((res < 0) || (res > 1000)) {
|
|
res = 1000;
|
|
}
|
|
/* Do not wait if some channel(s) is destroyed, probably, more available too */
|
|
if (oh323)
|
|
res = 1;
|
|
res = ast_io_wait(io, res);
|
|
pthread_testcancel();
|
|
ast_mutex_lock(&monlock);
|
|
if (res >= 0) {
|
|
ast_sched_runq(sched);
|
|
}
|
|
ast_mutex_unlock(&monlock);
|
|
}
|
|
/* Never reached */
|
|
return NULL;
|
|
}
|
|
|
|
static int restart_monitor(void)
|
|
{
|
|
/* If we're supposed to be stopped -- stay stopped */
|
|
if (ast_mutex_lock(&monlock)) {
|
|
ast_log(LOG_WARNING, "Unable to lock monitor\n");
|
|
return -1;
|
|
}
|
|
if (monitor_thread == AST_PTHREADT_STOP) {
|
|
ast_mutex_unlock(&monlock);
|
|
return 0;
|
|
}
|
|
if (monitor_thread == pthread_self()) {
|
|
ast_mutex_unlock(&monlock);
|
|
ast_log(LOG_WARNING, "Cannot kill myself\n");
|
|
return -1;
|
|
}
|
|
if (monitor_thread && (monitor_thread != AST_PTHREADT_NULL)) {
|
|
/* Wake up the thread */
|
|
pthread_kill(monitor_thread, SIGURG);
|
|
} else {
|
|
/* Start a new monitor */
|
|
if (ast_pthread_create_detached_background(&monitor_thread, NULL, do_monitor, NULL) < 0) {
|
|
monitor_thread = AST_PTHREADT_NULL;
|
|
ast_mutex_unlock(&monlock);
|
|
ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
|
|
return -1;
|
|
}
|
|
}
|
|
ast_mutex_unlock(&monlock);
|
|
return 0;
|
|
}
|
|
|
|
static char *handle_cli_h323_set_trace(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "h323 set trace [off]";
|
|
e->usage =
|
|
"Usage: h323 set trace (off|<trace level>)\n"
|
|
" Enable/Disable H.323 stack tracing for debugging purposes\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc != 4)
|
|
return CLI_SHOWUSAGE;
|
|
if (!strcasecmp(a->argv[3], "off")) {
|
|
h323_debug(0, 0);
|
|
ast_cli(a->fd, "H.323 Trace Disabled\n");
|
|
} else {
|
|
int tracelevel = atoi(a->argv[3]);
|
|
h323_debug(1, tracelevel);
|
|
ast_cli(a->fd, "H.323 Trace Enabled (Trace Level: %d)\n", tracelevel);
|
|
}
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_cli_h323_set_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "h323 set debug [off]";
|
|
e->usage =
|
|
"Usage: h323 set debug [off]\n"
|
|
" Enable/Disable H.323 debugging output\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc < 3 || a->argc > 4)
|
|
return CLI_SHOWUSAGE;
|
|
if (a->argc == 4 && strcasecmp(a->argv[3], "off"))
|
|
return CLI_SHOWUSAGE;
|
|
|
|
h323debug = (a->argc == 3) ? 1 : 0;
|
|
ast_cli(a->fd, "H.323 Debugging %s\n", h323debug ? "Enabled" : "Disabled");
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_cli_h323_cycle_gk(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "h323 cycle gk";
|
|
e->usage =
|
|
"Usage: h323 cycle gk\n"
|
|
" Manually re-register with the Gatekeper (Currently Disabled)\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc != 3)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
h323_gk_urq();
|
|
|
|
/* Possibly register with a GK */
|
|
if (!gatekeeper_disable) {
|
|
if (h323_set_gk(gatekeeper_discover, gatekeeper, secret)) {
|
|
ast_log(LOG_ERROR, "Gatekeeper registration failed.\n");
|
|
}
|
|
}
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_cli_h323_hangup(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "h323 hangup";
|
|
e->usage =
|
|
"Usage: h323 hangup <token>\n"
|
|
" Manually try to hang up the call identified by <token>\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc != 3)
|
|
return CLI_SHOWUSAGE;
|
|
if (h323_soft_hangup(a->argv[2])) {
|
|
ast_verb(3, "Hangup succeeded on %s\n", a->argv[2]);
|
|
} else {
|
|
ast_verb(3, "Hangup failed for %s\n", a->argv[2]);
|
|
}
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_cli_h323_show_tokens(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "h323 show tokens";
|
|
e->usage =
|
|
"Usage: h323 show tokens\n"
|
|
" Print out all active call tokens\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc != 3)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
h323_show_tokens();
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static struct ast_cli_entry cli_h323[] = {
|
|
AST_CLI_DEFINE(handle_cli_h323_set_trace, "Enable/Disable H.323 Stack Tracing"),
|
|
AST_CLI_DEFINE(handle_cli_h323_set_debug, "Enable/Disable H.323 Debugging"),
|
|
AST_CLI_DEFINE(handle_cli_h323_cycle_gk, "Manually re-register with the Gatekeper"),
|
|
AST_CLI_DEFINE(handle_cli_h323_hangup, "Manually try to hang up a call"),
|
|
AST_CLI_DEFINE(handle_cli_h323_show_tokens, "Show all active call tokens"),
|
|
};
|
|
|
|
static void delete_users(void)
|
|
{
|
|
int pruned = 0;
|
|
|
|
/* Delete all users */
|
|
ASTOBJ_CONTAINER_WRLOCK(&userl);
|
|
ASTOBJ_CONTAINER_TRAVERSE(&userl, 1, do {
|
|
ASTOBJ_RDLOCK(iterator);
|
|
ASTOBJ_MARK(iterator);
|
|
++pruned;
|
|
ASTOBJ_UNLOCK(iterator);
|
|
} while (0) );
|
|
if (pruned) {
|
|
ASTOBJ_CONTAINER_PRUNE_MARKED(&userl, oh323_destroy_user);
|
|
}
|
|
ASTOBJ_CONTAINER_UNLOCK(&userl);
|
|
|
|
ASTOBJ_CONTAINER_WRLOCK(&peerl);
|
|
ASTOBJ_CONTAINER_TRAVERSE(&peerl, 1, do {
|
|
ASTOBJ_RDLOCK(iterator);
|
|
ASTOBJ_MARK(iterator);
|
|
ASTOBJ_UNLOCK(iterator);
|
|
} while (0) );
|
|
ASTOBJ_CONTAINER_UNLOCK(&peerl);
|
|
}
|
|
|
|
static void delete_aliases(void)
|
|
{
|
|
int pruned = 0;
|
|
|
|
/* Delete all aliases */
|
|
ASTOBJ_CONTAINER_WRLOCK(&aliasl);
|
|
ASTOBJ_CONTAINER_TRAVERSE(&aliasl, 1, do {
|
|
ASTOBJ_RDLOCK(iterator);
|
|
ASTOBJ_MARK(iterator);
|
|
++pruned;
|
|
ASTOBJ_UNLOCK(iterator);
|
|
} while (0) );
|
|
if (pruned) {
|
|
ASTOBJ_CONTAINER_PRUNE_MARKED(&aliasl, oh323_destroy_alias);
|
|
}
|
|
ASTOBJ_CONTAINER_UNLOCK(&aliasl);
|
|
}
|
|
|
|
static void prune_peers(void)
|
|
{
|
|
/* Prune peers who still are supposed to be deleted */
|
|
ASTOBJ_CONTAINER_PRUNE_MARKED(&peerl, oh323_destroy_peer);
|
|
}
|
|
|
|
static int reload_config(int is_reload)
|
|
{
|
|
struct ast_config *cfg, *ucfg;
|
|
struct ast_variable *v;
|
|
struct oh323_peer *peer = NULL;
|
|
struct oh323_user *user = NULL;
|
|
struct oh323_alias *alias = NULL;
|
|
struct ast_hostent ahp; struct hostent *hp;
|
|
char *cat;
|
|
const char *utype;
|
|
int is_user, is_peer, is_alias;
|
|
char _gatekeeper[100];
|
|
int gk_discover, gk_disable, gk_changed;
|
|
struct ast_flags config_flags = { is_reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
|
|
|
|
cfg = ast_config_load(config, config_flags);
|
|
|
|
/* We *must* have a config file otherwise stop immediately */
|
|
if (!cfg) {
|
|
ast_log(LOG_NOTICE, "Unable to load config %s, H.323 disabled\n", config);
|
|
return 1;
|
|
} else if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
|
|
ucfg = ast_config_load("users.conf", config_flags);
|
|
if (ucfg == CONFIG_STATUS_FILEUNCHANGED)
|
|
return 0;
|
|
ast_clear_flag(&config_flags, CONFIG_FLAG_FILEUNCHANGED);
|
|
cfg = ast_config_load(config, config_flags);
|
|
} else {
|
|
ast_clear_flag(&config_flags, CONFIG_FLAG_FILEUNCHANGED);
|
|
ucfg = ast_config_load("users.conf", config_flags);
|
|
}
|
|
|
|
if (is_reload) {
|
|
delete_users();
|
|
delete_aliases();
|
|
prune_peers();
|
|
}
|
|
|
|
/* fire up the H.323 Endpoint */
|
|
if (!h323_end_point_exist()) {
|
|
h323_end_point_create();
|
|
}
|
|
ast_copy_string(_gatekeeper, gatekeeper, sizeof(_gatekeeper));
|
|
gk_discover = gatekeeper_discover;
|
|
gk_disable = gatekeeper_disable;
|
|
memset(&bindaddr, 0, sizeof(bindaddr));
|
|
memset(&global_options, 0, sizeof(global_options));
|
|
global_options.fastStart = 1;
|
|
global_options.h245Tunneling = 1;
|
|
global_options.dtmfcodec[0] = H323_DTMF_RFC2833_PT;
|
|
global_options.dtmfcodec[1] = H323_DTMF_CISCO_PT;
|
|
global_options.dtmfmode = 0;
|
|
global_options.holdHandling = 0;
|
|
global_options.capability = GLOBAL_CAPABILITY;
|
|
global_options.bridge = 1; /* Do native bridging by default */
|
|
strcpy(default_context, "default");
|
|
h323_signalling_port = 1720;
|
|
gatekeeper_disable = 1;
|
|
gatekeeper_discover = 0;
|
|
gkroute = 0;
|
|
userbyalias = 1;
|
|
acceptAnonymous = 1;
|
|
tos = 0;
|
|
cos = 0;
|
|
|
|
/* Copy the default jb config over global_jbconf */
|
|
memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
|
|
|
|
if (ucfg) {
|
|
struct ast_variable *gen;
|
|
int genhas_h323;
|
|
const char *has_h323;
|
|
|
|
genhas_h323 = ast_true(ast_variable_retrieve(ucfg, "general", "hash323"));
|
|
gen = ast_variable_browse(ucfg, "general");
|
|
for (cat = ast_category_browse(ucfg, NULL); cat; cat = ast_category_browse(ucfg, cat)) {
|
|
if (strcasecmp(cat, "general")) {
|
|
has_h323 = ast_variable_retrieve(ucfg, cat, "hash323");
|
|
if (ast_true(has_h323) || (!has_h323 && genhas_h323)) {
|
|
user = build_user(cat, gen, ast_variable_browse(ucfg, cat), 0);
|
|
if (user) {
|
|
ASTOBJ_CONTAINER_LINK(&userl, user);
|
|
ASTOBJ_UNREF(user, oh323_destroy_user);
|
|
}
|
|
peer = build_peer(cat, gen, ast_variable_browse(ucfg, cat), 0);
|
|
if (peer) {
|
|
ASTOBJ_CONTAINER_LINK(&peerl, peer);
|
|
ASTOBJ_UNREF(peer, oh323_destroy_peer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
ast_config_destroy(ucfg);
|
|
}
|
|
|
|
for (v = ast_variable_browse(cfg, "general"); v; v = v->next) {
|
|
/* handle jb conf */
|
|
if (!ast_jb_read_conf(&global_jbconf, v->name, v->value))
|
|
continue;
|
|
/* Create the interface list */
|
|
if (!strcasecmp(v->name, "port")) {
|
|
h323_signalling_port = (int)strtol(v->value, NULL, 10);
|
|
} else if (!strcasecmp(v->name, "bindaddr")) {
|
|
if (!(hp = ast_gethostbyname(v->value, &ahp))) {
|
|
ast_log(LOG_WARNING, "Invalid address: %s\n", v->value);
|
|
} else {
|
|
memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr));
|
|
}
|
|
} else if (!strcasecmp(v->name, "tos")) { /* Needs to be removed in next release */
|
|
ast_log(LOG_WARNING, "The \"tos\" setting is deprecated in this version of Asterisk. Please change to \"tos_audio\".\n");
|
|
if (ast_str2tos(v->value, &tos)) {
|
|
ast_log(LOG_WARNING, "Invalid tos_audio value at line %d, refer to QoS documentation\n", v->lineno);
|
|
}
|
|
} else if (!strcasecmp(v->name, "tos_audio")) {
|
|
if (ast_str2tos(v->value, &tos)) {
|
|
ast_log(LOG_WARNING, "Invalid tos_audio value at line %d, refer to QoS documentation\n", v->lineno);
|
|
}
|
|
} else if (!strcasecmp(v->name, "cos")) {
|
|
ast_log(LOG_WARNING, "The \"cos\" setting is deprecated in this version of Asterisk. Please change to \"cos_audio\".\n");
|
|
if (ast_str2cos(v->value, &cos)) {
|
|
ast_log(LOG_WARNING, "Invalid cos_audio value at line %d, refer to QoS documentation\n", v->lineno);
|
|
}
|
|
} else if (!strcasecmp(v->name, "cos_audio")) {
|
|
if (ast_str2cos(v->value, &cos)) {
|
|
ast_log(LOG_WARNING, "Invalid cos_audio value at line %d, refer to QoS documentation\n", v->lineno);
|
|
}
|
|
} else if (!strcasecmp(v->name, "gatekeeper")) {
|
|
if (!strcasecmp(v->value, "DISABLE")) {
|
|
gatekeeper_disable = 1;
|
|
} else if (!strcasecmp(v->value, "DISCOVER")) {
|
|
gatekeeper_disable = 0;
|
|
gatekeeper_discover = 1;
|
|
} else {
|
|
gatekeeper_disable = 0;
|
|
ast_copy_string(gatekeeper, v->value, sizeof(gatekeeper));
|
|
}
|
|
} else if (!strcasecmp(v->name, "secret")) {
|
|
ast_copy_string(secret, v->value, sizeof(secret));
|
|
} else if (!strcasecmp(v->name, "AllowGKRouted")) {
|
|
gkroute = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "context")) {
|
|
ast_copy_string(default_context, v->value, sizeof(default_context));
|
|
ast_verb(2, "Setting default context to %s\n", default_context);
|
|
} else if (!strcasecmp(v->name, "UserByAlias")) {
|
|
userbyalias = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "AcceptAnonymous")) {
|
|
acceptAnonymous = ast_true(v->value);
|
|
} else if (!update_common_options(v, &global_options)) {
|
|
/* dummy */
|
|
}
|
|
}
|
|
if (!global_options.dtmfmode)
|
|
global_options.dtmfmode = H323_DTMF_RFC2833;
|
|
if (global_options.holdHandling == ~0)
|
|
global_options.holdHandling = 0;
|
|
else if (!global_options.holdHandling)
|
|
global_options.holdHandling = H323_HOLD_H450;
|
|
|
|
for (cat = ast_category_browse(cfg, NULL); cat; cat = ast_category_browse(cfg, cat)) {
|
|
if (strcasecmp(cat, "general")) {
|
|
utype = ast_variable_retrieve(cfg, cat, "type");
|
|
if (utype) {
|
|
is_user = is_peer = is_alias = 0;
|
|
if (!strcasecmp(utype, "user"))
|
|
is_user = 1;
|
|
else if (!strcasecmp(utype, "peer"))
|
|
is_peer = 1;
|
|
else if (!strcasecmp(utype, "friend"))
|
|
is_user = is_peer = 1;
|
|
else if (!strcasecmp(utype, "h323") || !strcasecmp(utype, "alias"))
|
|
is_alias = 1;
|
|
else {
|
|
ast_log(LOG_WARNING, "Unknown type '%s' for '%s' in %s\n", utype, cat, config);
|
|
continue;
|
|
}
|
|
if (is_user) {
|
|
user = build_user(cat, ast_variable_browse(cfg, cat), NULL, 0);
|
|
if (user) {
|
|
ASTOBJ_CONTAINER_LINK(&userl, user);
|
|
ASTOBJ_UNREF(user, oh323_destroy_user);
|
|
}
|
|
}
|
|
if (is_peer) {
|
|
peer = build_peer(cat, ast_variable_browse(cfg, cat), NULL, 0);
|
|
if (peer) {
|
|
ASTOBJ_CONTAINER_LINK(&peerl, peer);
|
|
ASTOBJ_UNREF(peer, oh323_destroy_peer);
|
|
}
|
|
}
|
|
if (is_alias) {
|
|
alias = build_alias(cat, ast_variable_browse(cfg, cat), NULL, 0);
|
|
if (alias) {
|
|
ASTOBJ_CONTAINER_LINK(&aliasl, alias);
|
|
ASTOBJ_UNREF(alias, oh323_destroy_alias);
|
|
}
|
|
}
|
|
} else {
|
|
ast_log(LOG_WARNING, "Section '%s' lacks type\n", cat);
|
|
}
|
|
}
|
|
}
|
|
ast_config_destroy(cfg);
|
|
|
|
/* Register our H.323 aliases if any*/
|
|
ASTOBJ_CONTAINER_WRLOCK(&aliasl);
|
|
ASTOBJ_CONTAINER_TRAVERSE(&aliasl, 1, do {
|
|
ASTOBJ_RDLOCK(iterator);
|
|
if (h323_set_alias(iterator)) {
|
|
ast_log(LOG_ERROR, "Alias %s rejected by endpoint\n", alias->name);
|
|
ASTOBJ_UNLOCK(iterator);
|
|
continue;
|
|
}
|
|
ASTOBJ_UNLOCK(iterator);
|
|
} while (0) );
|
|
ASTOBJ_CONTAINER_UNLOCK(&aliasl);
|
|
|
|
/* Don't touch GK if nothing changed because URQ will drop all existing calls */
|
|
gk_changed = 0;
|
|
if (gatekeeper_disable != gk_disable)
|
|
gk_changed = is_reload;
|
|
else if(!gatekeeper_disable && (gatekeeper_discover != gk_discover))
|
|
gk_changed = is_reload;
|
|
else if(!gatekeeper_disable && (strncmp(_gatekeeper, gatekeeper, sizeof(_gatekeeper)) != 0))
|
|
gk_changed = is_reload;
|
|
if (gk_changed) {
|
|
if(!gk_disable)
|
|
h323_gk_urq();
|
|
if (!gatekeeper_disable) {
|
|
if (h323_set_gk(gatekeeper_discover, gatekeeper, secret)) {
|
|
ast_log(LOG_ERROR, "Gatekeeper registration failed.\n");
|
|
gatekeeper_disable = 1;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int h323_reload(void)
|
|
{
|
|
ast_mutex_lock(&h323_reload_lock);
|
|
if (h323_reloading) {
|
|
ast_verbose("Previous H.323 reload not yet done\n");
|
|
} else {
|
|
h323_reloading = 1;
|
|
}
|
|
ast_mutex_unlock(&h323_reload_lock);
|
|
restart_monitor();
|
|
return 0;
|
|
}
|
|
|
|
static char *handle_cli_h323_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "h323 reload";
|
|
e->usage =
|
|
"Usage: h323 reload\n"
|
|
" Reloads H.323 configuration from h323.conf\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc != 2)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
h323_reload();
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static int h323_do_reload(void)
|
|
{
|
|
reload_config(1);
|
|
return 0;
|
|
}
|
|
|
|
static int reload(void)
|
|
{
|
|
if (!sched || !io) {
|
|
ast_log(LOG_NOTICE, "Unload and load chan_h323.so again in order to receive configuration changes.\n");
|
|
return 0;
|
|
}
|
|
return h323_reload();
|
|
}
|
|
|
|
static struct ast_cli_entry cli_h323_reload =
|
|
AST_CLI_DEFINE(handle_cli_h323_reload, "Reload H.323 configuration");
|
|
|
|
static enum ast_rtp_get_result oh323_get_rtp_peer(struct ast_channel *chan, struct ast_rtp **rtp)
|
|
{
|
|
struct oh323_pvt *pvt;
|
|
enum ast_rtp_get_result res = AST_RTP_TRY_PARTIAL;
|
|
|
|
if (!(pvt = (struct oh323_pvt *)chan->tech_pvt))
|
|
return AST_RTP_GET_FAILED;
|
|
|
|
ast_mutex_lock(&pvt->lock);
|
|
*rtp = pvt->rtp;
|
|
#if 0
|
|
if (pvt->options.bridge) {
|
|
res = AST_RTP_TRY_NATIVE;
|
|
}
|
|
#endif
|
|
ast_mutex_unlock(&pvt->lock);
|
|
|
|
return res;
|
|
}
|
|
|
|
static enum ast_rtp_get_result oh323_get_vrtp_peer(struct ast_channel *chan, struct ast_rtp **rtp)
|
|
{
|
|
return AST_RTP_GET_FAILED;
|
|
}
|
|
|
|
static char *convertcap(int cap)
|
|
{
|
|
switch (cap) {
|
|
case AST_FORMAT_G723_1:
|
|
return "G.723";
|
|
case AST_FORMAT_GSM:
|
|
return "GSM";
|
|
case AST_FORMAT_ULAW:
|
|
return "ULAW";
|
|
case AST_FORMAT_ALAW:
|
|
return "ALAW";
|
|
case AST_FORMAT_G722:
|
|
return "G.722";
|
|
case AST_FORMAT_ADPCM:
|
|
return "G.728";
|
|
case AST_FORMAT_G729A:
|
|
return "G.729";
|
|
case AST_FORMAT_SPEEX:
|
|
return "SPEEX";
|
|
case AST_FORMAT_ILBC:
|
|
return "ILBC";
|
|
default:
|
|
ast_log(LOG_NOTICE, "Don't know how to deal with mode %d\n", cap);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static int oh323_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp, struct ast_rtp *vrtp, struct ast_rtp *trtp, int codecs, int nat_active)
|
|
{
|
|
/* XXX Deal with Video */
|
|
struct oh323_pvt *pvt;
|
|
struct sockaddr_in them;
|
|
struct sockaddr_in us;
|
|
char *mode;
|
|
|
|
if (!rtp) {
|
|
return 0;
|
|
}
|
|
|
|
mode = convertcap(chan->writeformat);
|
|
pvt = (struct oh323_pvt *) chan->tech_pvt;
|
|
if (!pvt) {
|
|
ast_log(LOG_ERROR, "No Private Structure, this is bad\n");
|
|
return -1;
|
|
}
|
|
ast_rtp_get_peer(rtp, &them);
|
|
ast_rtp_get_us(rtp, &us);
|
|
#if 0 /* Native bridge still isn't ready */
|
|
h323_native_bridge(pvt->cd.call_token, ast_inet_ntoa(them.sin_addr), mode);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_rtp_protocol oh323_rtp = {
|
|
.type = "H323",
|
|
.get_rtp_info = oh323_get_rtp_peer,
|
|
.get_vrtp_info = oh323_get_vrtp_peer,
|
|
.set_rtp_peer = oh323_set_rtp_peer,
|
|
};
|
|
|
|
static enum ast_module_load_result load_module(void)
|
|
{
|
|
int res;
|
|
|
|
h323debug = 0;
|
|
sched = sched_context_create();
|
|
if (!sched) {
|
|
ast_log(LOG_WARNING, "Unable to create schedule context\n");
|
|
return AST_MODULE_LOAD_FAILURE;
|
|
}
|
|
io = io_context_create();
|
|
if (!io) {
|
|
ast_log(LOG_WARNING, "Unable to create I/O context\n");
|
|
return AST_MODULE_LOAD_FAILURE;
|
|
}
|
|
ast_cli_register(&cli_h323_reload);
|
|
ASTOBJ_CONTAINER_INIT(&userl);
|
|
ASTOBJ_CONTAINER_INIT(&peerl);
|
|
ASTOBJ_CONTAINER_INIT(&aliasl);
|
|
res = reload_config(0);
|
|
if (res) {
|
|
/* No config entry */
|
|
ast_log(LOG_NOTICE, "Unload and load chan_h323.so again in order to receive configuration changes.\n");
|
|
ast_cli_unregister(&cli_h323_reload);
|
|
io_context_destroy(io);
|
|
io = NULL;
|
|
sched_context_destroy(sched);
|
|
sched = NULL;
|
|
ASTOBJ_CONTAINER_DESTROY(&userl);
|
|
ASTOBJ_CONTAINER_DESTROY(&peerl);
|
|
ASTOBJ_CONTAINER_DESTROY(&aliasl);
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
} else {
|
|
/* Make sure we can register our channel type */
|
|
if (ast_channel_register(&oh323_tech)) {
|
|
ast_log(LOG_ERROR, "Unable to register channel class 'H323'\n");
|
|
ast_cli_unregister(&cli_h323_reload);
|
|
h323_end_process();
|
|
io_context_destroy(io);
|
|
sched_context_destroy(sched);
|
|
|
|
ASTOBJ_CONTAINER_DESTROYALL(&userl, oh323_destroy_user);
|
|
ASTOBJ_CONTAINER_DESTROY(&userl);
|
|
ASTOBJ_CONTAINER_DESTROYALL(&peerl, oh323_destroy_peer);
|
|
ASTOBJ_CONTAINER_DESTROY(&peerl);
|
|
ASTOBJ_CONTAINER_DESTROYALL(&aliasl, oh323_destroy_alias);
|
|
ASTOBJ_CONTAINER_DESTROY(&aliasl);
|
|
|
|
return AST_MODULE_LOAD_FAILURE;
|
|
}
|
|
ast_cli_register_multiple(cli_h323, sizeof(cli_h323) / sizeof(struct ast_cli_entry));
|
|
|
|
ast_rtp_proto_register(&oh323_rtp);
|
|
|
|
/* Register our callback functions */
|
|
h323_callback_register(setup_incoming_call,
|
|
setup_outgoing_call,
|
|
external_rtp_create,
|
|
setup_rtp_connection,
|
|
cleanup_connection,
|
|
chan_ringing,
|
|
connection_made,
|
|
receive_digit,
|
|
answer_call,
|
|
progress,
|
|
set_dtmf_payload,
|
|
hangup_connection,
|
|
set_local_capabilities,
|
|
set_peer_capabilities,
|
|
remote_hold);
|
|
/* start the h.323 listener */
|
|
if (h323_start_listener(h323_signalling_port, bindaddr)) {
|
|
ast_log(LOG_ERROR, "Unable to create H323 listener.\n");
|
|
ast_rtp_proto_unregister(&oh323_rtp);
|
|
ast_cli_unregister_multiple(cli_h323, sizeof(cli_h323) / sizeof(struct ast_cli_entry));
|
|
ast_cli_unregister(&cli_h323_reload);
|
|
h323_end_process();
|
|
io_context_destroy(io);
|
|
sched_context_destroy(sched);
|
|
|
|
ASTOBJ_CONTAINER_DESTROYALL(&userl, oh323_destroy_user);
|
|
ASTOBJ_CONTAINER_DESTROY(&userl);
|
|
ASTOBJ_CONTAINER_DESTROYALL(&peerl, oh323_destroy_peer);
|
|
ASTOBJ_CONTAINER_DESTROY(&peerl);
|
|
ASTOBJ_CONTAINER_DESTROYALL(&aliasl, oh323_destroy_alias);
|
|
ASTOBJ_CONTAINER_DESTROY(&aliasl);
|
|
|
|
return AST_MODULE_LOAD_FAILURE;
|
|
}
|
|
/* Possibly register with a GK */
|
|
if (!gatekeeper_disable) {
|
|
if (h323_set_gk(gatekeeper_discover, gatekeeper, secret)) {
|
|
ast_log(LOG_ERROR, "Gatekeeper registration failed.\n");
|
|
gatekeeper_disable = 1;
|
|
res = AST_MODULE_LOAD_SUCCESS;
|
|
}
|
|
}
|
|
/* And start the monitor for the first time */
|
|
restart_monitor();
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
struct oh323_pvt *p, *pl;
|
|
|
|
/* unregister commands */
|
|
ast_cli_unregister_multiple(cli_h323, sizeof(cli_h323) / sizeof(struct ast_cli_entry));
|
|
ast_cli_unregister(&cli_h323_reload);
|
|
|
|
ast_channel_unregister(&oh323_tech);
|
|
ast_rtp_proto_unregister(&oh323_rtp);
|
|
|
|
if (!ast_mutex_lock(&iflock)) {
|
|
/* hangup all interfaces if they have an owner */
|
|
p = iflist;
|
|
while(p) {
|
|
if (p->owner) {
|
|
ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD);
|
|
}
|
|
p = p->next;
|
|
}
|
|
iflist = NULL;
|
|
ast_mutex_unlock(&iflock);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to lock the interface list\n");
|
|
return -1;
|
|
}
|
|
if (!ast_mutex_lock(&monlock)) {
|
|
if ((monitor_thread != AST_PTHREADT_STOP) && (monitor_thread != AST_PTHREADT_NULL)) {
|
|
/* this causes a seg, anyone know why? */
|
|
if (monitor_thread != pthread_self())
|
|
pthread_cancel(monitor_thread);
|
|
pthread_kill(monitor_thread, SIGURG);
|
|
pthread_join(monitor_thread, NULL);
|
|
}
|
|
monitor_thread = AST_PTHREADT_STOP;
|
|
ast_mutex_unlock(&monlock);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
|
|
return -1;
|
|
}
|
|
if (!ast_mutex_lock(&iflock)) {
|
|
/* destroy all the interfaces and free their memory */
|
|
p = iflist;
|
|
while(p) {
|
|
pl = p;
|
|
p = p->next;
|
|
/* free associated memory */
|
|
ast_mutex_destroy(&pl->lock);
|
|
ast_free(pl);
|
|
}
|
|
iflist = NULL;
|
|
ast_mutex_unlock(&iflock);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to lock the interface list\n");
|
|
return -1;
|
|
}
|
|
if (!gatekeeper_disable)
|
|
h323_gk_urq();
|
|
h323_end_process();
|
|
if (io)
|
|
io_context_destroy(io);
|
|
if (sched)
|
|
sched_context_destroy(sched);
|
|
|
|
ASTOBJ_CONTAINER_DESTROYALL(&userl, oh323_destroy_user);
|
|
ASTOBJ_CONTAINER_DESTROY(&userl);
|
|
ASTOBJ_CONTAINER_DESTROYALL(&peerl, oh323_destroy_peer);
|
|
ASTOBJ_CONTAINER_DESTROY(&peerl);
|
|
ASTOBJ_CONTAINER_DESTROYALL(&aliasl, oh323_destroy_alias);
|
|
ASTOBJ_CONTAINER_DESTROY(&aliasl);
|
|
|
|
return 0;
|
|
}
|
|
|
|
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "The NuFone Network's OpenH323 Channel Driver",
|
|
.load = load_module,
|
|
.unload = unload_module,
|
|
.reload = reload,
|
|
);
|