/*! \brief Allocate an \ref ast_ari_conf for config parsing */
static void *conf_alloc(void)
{
RAII_VAR(struct ast_ari_conf *, cfg, NULL, ao2_cleanup);
cfg = ao2_alloc_options(sizeof(*cfg), conf_destructor,
AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!cfg) {
return NULL;
}
cfg->general = ao2_alloc_options(sizeof(*cfg->general), NULL,
AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!cfg->general) {
return NULL;
}
aco_set_defaults(&general_option, "general", cfg->general);
if (ast_string_field_init(cfg->general, 64)) {
return NULL;
}
cfg->users = ao2_container_alloc_rbtree(AO2_ALLOC_OPT_LOCK_NOLOCK,
AO2_CONTAINER_ALLOC_OPT_DUPS_REPLACE, user_sort_cmp, NULL);
ao2_ref(cfg, +1);
return cfg;
}
/*! \brief Allocate an \ref ast_ari_conf for config parsing */
static void *conf_alloc(void)
{
struct ast_ari_conf *cfg;
cfg = ao2_alloc_options(sizeof(*cfg), conf_destructor,
AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!cfg) {
return NULL;
}
cfg->general = ao2_alloc_options(sizeof(*cfg->general), conf_general_dtor,
AO2_ALLOC_OPT_LOCK_NOLOCK);
cfg->users = ao2_container_alloc_rbtree(AO2_ALLOC_OPT_LOCK_NOLOCK,
AO2_CONTAINER_ALLOC_OPT_DUPS_REPLACE, user_sort_cmp, NULL);
if (!cfg->users
|| !cfg->general
|| ast_string_field_init(cfg->general, 64)
|| aco_set_defaults(&general_option, "general", cfg->general)) {
ao2_ref(cfg, -1);
return NULL;
}
return cfg;
}
static struct cache_entry *cache_entry_create(struct stasis_message_type *type, const char *id, struct stasis_message *snapshot)
{
RAII_VAR(struct cache_entry *, entry, NULL, ao2_cleanup);
ast_assert(type != NULL);
ast_assert(id != NULL);
entry = ao2_alloc_options(sizeof(*entry), cache_entry_dtor,
AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!entry) {
return NULL;
}
entry->id = ast_strdup(id);
if (!entry->id) {
return NULL;
}
ao2_ref(type, +1);
entry->type = type;
if (snapshot != NULL) {
ao2_ref(snapshot, +1);
entry->snapshot = snapshot;
}
ao2_ref(entry, +1);
return entry;
}
/*! \brief Observer callback for when a contact is created */
static void contact_expiration_observer_created(const void *object)
{
const struct ast_sip_contact *contact = object;
struct contact_expiration *expiration;
int expires = MAX(0, ast_tvdiff_ms(contact->expiration_time, ast_tvnow()));
if (ast_tvzero(contact->expiration_time)) {
return;
}
expiration = ao2_alloc_options(sizeof(*expiration), contact_expiration_destroy,
AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!expiration) {
return;
}
expiration->contact = (struct ast_sip_contact*)contact;
ao2_ref(expiration->contact, +1);
ao2_ref(expiration, +1);
if ((expiration->sched = ast_sched_add(sched, expires, contact_expiration_expire, expiration)) < 0) {
ao2_ref(expiration, -1);
ast_log(LOG_ERROR, "Scheduled expiration for contact '%s' could not be performed, contact may persist past life\n",
ast_sorcery_object_get_id(contact));
} else {
ao2_link(contact_autoexpire, expiration);
}
ao2_ref(expiration, -1);
}
int __ast_format_interface_register(const char *codec, const struct ast_format_interface *interface, struct ast_module *mod)
{
SCOPED_AO2WRLOCK(lock, interfaces);
struct format_interface *format_interface;
if (!interface->format_clone || !interface->format_destroy) {
ast_log(LOG_ERROR, "Format interface for codec '%s' does not implement required callbacks\n", codec);
return -1;
}
format_interface = ao2_find(interfaces, codec, OBJ_SEARCH_KEY | OBJ_NOLOCK);
if (format_interface) {
ast_log(LOG_ERROR, "A format interface is already present for codec '%s'\n", codec);
ao2_ref(format_interface, -1);
return -1;
}
format_interface = ao2_alloc_options(sizeof(*format_interface) + strlen(codec) + 1,
NULL, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!format_interface) {
return -1;
}
format_interface->interface = interface;
strcpy(format_interface->codec, codec); /* Safe */
/* Once registered a format interface cannot be unregistered. */
ast_module_shutdown_ref(mod);
ao2_link_flags(interfaces, format_interface, OBJ_NOLOCK);
ao2_ref(format_interface, -1);
ast_verb(2, "Registered format interface for codec '%s'\n", codec);
return 0;
}
struct ast_named_lock *__ast_named_lock_get(const char *filename, int lineno, const char *func,
enum ast_named_lock_type lock_type, const char *keyspace, const char *key)
{
struct ast_named_lock *lock = NULL;
int concat_key_buff_len = strlen(keyspace) + strlen(key) + 2;
char *concat_key = ast_alloca(concat_key_buff_len);
sprintf(concat_key, "%s-%s", keyspace, key); /* Safe */
ao2_lock(named_locks);
lock = ao2_find(named_locks, concat_key, OBJ_SEARCH_KEY | OBJ_NOLOCK);
if (lock) {
ao2_unlock(named_locks);
ast_assert((ao2_options_get(lock) & AO2_ALLOC_OPT_LOCK_MASK) == lock_type);
return lock;
}
lock = ao2_alloc_options(sizeof(*lock) + concat_key_buff_len, NULL, lock_type);
if (lock) {
strcpy(lock->key, concat_key); /* Safe */
ao2_link_flags(named_locks, lock, OBJ_NOLOCK);
}
ao2_unlock(named_locks);
return lock;
}
static int bridge_builtin_set_limits(struct ast_bridge_features *features,
struct ast_bridge_features_limits *limits,
enum ast_bridge_hook_remove_flags remove_flags)
{
RAII_VAR(struct ast_bridge_features_limits *, feature_limits, NULL, ao2_cleanup);
if (!limits->duration) {
return -1;
}
/* Create limits hook_pvt data. */
ast_module_ref(ast_module_info->self);
feature_limits = ao2_alloc_options(sizeof(*feature_limits),
bridge_features_limits_dtor, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!feature_limits) {
ast_module_unref(ast_module_info->self);
return -1;
}
if (ast_bridge_features_limits_construct(feature_limits)) {
return -1;
}
bridge_features_limits_copy(feature_limits, limits);
feature_limits->quitting_time = ast_tvadd(ast_tvnow(),
ast_samp2tv(feature_limits->duration, 1000));
/* Install limit hooks. */
ao2_ref(feature_limits, +1);
if (ast_bridge_interval_hook(features, AST_BRIDGE_HOOK_TIMER_OPTION_MEDIA,
feature_limits->duration,
bridge_features_duration_callback, feature_limits, __ao2_cleanup, remove_flags)) {
ast_log(LOG_ERROR, "Failed to schedule the duration limiter to the bridge channel.\n");
ao2_ref(feature_limits, -1);
return -1;
}
if (!ast_strlen_zero(feature_limits->connect_sound)) {
ao2_ref(feature_limits, +1);
if (ast_bridge_interval_hook(features, AST_BRIDGE_HOOK_TIMER_OPTION_MEDIA, 1,
bridge_features_connect_callback, feature_limits, __ao2_cleanup, remove_flags)) {
ast_log(LOG_WARNING, "Failed to schedule connect sound to the bridge channel.\n");
ao2_ref(feature_limits, -1);
}
}
if (feature_limits->warning && feature_limits->warning < feature_limits->duration) {
ao2_ref(feature_limits, +1);
if (ast_bridge_interval_hook(features, AST_BRIDGE_HOOK_TIMER_OPTION_MEDIA,
feature_limits->duration - feature_limits->warning,
bridge_features_warning_callback, feature_limits, __ao2_cleanup, remove_flags)) {
ast_log(LOG_WARNING, "Failed to schedule warning sound playback to the bridge channel.\n");
ao2_ref(feature_limits, -1);
}
}
return 0;
}
/*!
* \internal
* \brief fopencookie()/funopen() stream allocation function.
*
* \retval stream_cookie on success.
* \retval NULL on error.
*/
static struct ast_tcptls_stream *tcptls_stream_alloc(void)
{
struct ast_tcptls_stream *stream;
stream = ao2_alloc_options(sizeof(*stream), tcptls_stream_dtor,
AO2_ALLOC_OPT_LOCK_NOLOCK);
if (stream) {
stream->fd = -1;
stream->timeout = -1;
}
return stream;
}
static struct serializer *serializer_create(struct ast_threadpool *pool,
struct ast_serializer_shutdown_group *shutdown_group)
{
struct serializer *ser;
ser = ao2_alloc_options(sizeof(*ser), serializer_dtor, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!ser) {
return NULL;
}
ao2_ref(pool, +1);
ser->pool = pool;
ser->shutdown_group = ao2_bump(shutdown_group);
return ser;
}
int ast_str_container_add(struct ao2_container *str_container, const char *add)
{
char *ao2_add;
/* The ao2_add object is immutable so it doesn't need a lock of its own. */
ao2_add = ao2_alloc_options(strlen(add) + 1, NULL, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!ao2_add) {
return -1;
}
strcpy(ao2_add, add);/* Safe */
ao2_link(str_container, ao2_add);
ao2_ref(ao2_add, -1);
return 0;
}
static struct corosync_node *corosync_node_alloc(struct ast_event *event)
{
struct corosync_node *node;
node = ao2_alloc_options(sizeof(*node), NULL, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!node) {
return NULL;
}
memcpy(&node->eid, (struct ast_eid *)ast_event_get_ie_raw(event, AST_EVENT_IE_EID), sizeof(node->eid));
node->id = ast_event_get_ie_uint(event, AST_EVENT_IE_NODE_ID);
ast_sockaddr_parse(&node->addr, ast_event_get_ie_str(event, AST_EVENT_IE_LOCAL_ADDR), PARSE_PORT_IGNORE);
return node;
}
int ast_sip_for_each_contact(const struct ast_sip_aor *aor,
ao2_callback_fn on_contact, void *arg)
{
struct ao2_container *contacts;
struct ao2_iterator i;
int res = 0;
void *object = NULL;
if (!on_contact ||
!(contacts = ast_sip_location_retrieve_aor_contacts(aor))) {
return 0;
}
i = ao2_iterator_init(contacts, 0);
while ((object = ao2_iterator_next(&i))) {
RAII_VAR(struct ast_sip_contact *, contact, object, ao2_cleanup);
RAII_VAR(struct ast_sip_contact_wrapper *, wrapper, NULL, ao2_cleanup);
const char *aor_id = ast_sorcery_object_get_id(aor);
wrapper = ao2_alloc_options(sizeof(struct ast_sip_contact_wrapper),
contact_wrapper_destroy, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!wrapper) {
res = -1;
break;
}
wrapper->contact_id = ast_malloc(strlen(aor_id) + strlen(contact->uri) + 2);
if (!wrapper->contact_id) {
res = -1;
break;
}
sprintf(wrapper->contact_id, "%s/%s", aor_id, contact->uri);
wrapper->aor_id = ast_strdup(aor_id);
if (!wrapper->aor_id) {
res = -1;
break;
}
wrapper->contact = contact;
ao2_bump(wrapper->contact);
if ((res = on_contact(wrapper, arg, 0))) {
break;
}
}
ao2_iterator_destroy(&i);
ao2_ref(contacts, -1);
return res;
}
struct stasis_topic_pool *stasis_topic_pool_create(struct stasis_topic *pooled_topic)
{
struct stasis_topic_pool *pool;
pool = ao2_alloc_options(sizeof(*pool), topic_pool_dtor, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!pool) {
return NULL;
}
pool->pool_container = ao2_container_alloc(TOPIC_POOL_BUCKETS,
topic_pool_entry_hash, topic_pool_entry_cmp);
if (!pool->pool_container) {
ao2_cleanup(pool);
return NULL;
}
ao2_ref(pooled_topic, +1);
pool->pool_topic = pooled_topic;
return pool;
}
struct stasis_caching_topic *stasis_caching_topic_create(struct stasis_topic *original_topic, struct stasis_cache *cache)
{
RAII_VAR(struct stasis_caching_topic *, caching_topic, NULL, ao2_cleanup);
struct stasis_subscription *sub;
RAII_VAR(char *, new_name, NULL, ast_free);
int ret;
ret = ast_asprintf(&new_name, "%s-cached", stasis_topic_name(original_topic));
if (ret < 0) {
return NULL;
}
caching_topic = ao2_alloc_options(sizeof(*caching_topic),
stasis_caching_topic_dtor, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (caching_topic == NULL) {
return NULL;
}
caching_topic->topic = stasis_topic_create(new_name);
if (caching_topic->topic == NULL) {
return NULL;
}
ao2_ref(cache, +1);
caching_topic->cache = cache;
sub = internal_stasis_subscribe(original_topic, caching_topic_exec, caching_topic, 0);
if (sub == NULL) {
return NULL;
}
ao2_ref(original_topic, +1);
caching_topic->original_topic = original_topic;
/* This is for the reference contained in the subscription above */
ao2_ref(caching_topic, +1);
caching_topic->sub = sub;
/* The subscription holds the reference, so no additional ref bump. */
return caching_topic;
}
struct stasis_cache *stasis_cache_create(snapshot_get_id id_fn)
{
RAII_VAR(struct stasis_cache *, cache, NULL, ao2_cleanup);
cache = ao2_alloc_options(sizeof(*cache), cache_dtor,
AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!cache) {
return NULL;
}
cache->entries = ao2_container_alloc(NUM_CACHE_BUCKETS, cache_entry_hash,
cache_entry_cmp);
if (!cache->entries) {
return NULL;
}
cache->id_fn = id_fn;
ao2_ref(cache, +1);
return cache;
}
/*!
* \internal
* \since 12.0.0
* \brief Allocate a new holding bridge wrapper with the given bridge name and bridge ID.
*
* \param bridge_name name of the bridge wrapper
* \param bridge the bridge being wrapped
*
* \retval Pointer to the newly allocated holding bridge wrapper
* \retval NULL if allocation failed. The bridge will be destroyed if this function fails.
*/
static struct wait_bridge_wrapper *wait_bridge_wrapper_alloc(const char *bridge_name, struct ast_bridge *bridge)
{
struct wait_bridge_wrapper *bridge_wrapper;
bridge_wrapper = ao2_alloc_options(sizeof(*bridge_wrapper) + strlen(bridge_name) + 1,
wait_bridge_wrapper_destructor, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!bridge_wrapper) {
ast_bridge_destroy(bridge, 0);
return NULL;
}
strcpy(bridge_wrapper->name, bridge_name);
bridge_wrapper->bridge = bridge;
if (!ao2_link(wait_bridge_wrappers, bridge_wrapper)) {
ao2_cleanup(bridge_wrapper);
return NULL;
}
return bridge_wrapper;
}
struct stasis_forward *stasis_forward_all(struct stasis_topic *from_topic,
struct stasis_topic *to_topic)
{
int res;
size_t idx;
RAII_VAR(struct stasis_forward *, forward, NULL, ao2_cleanup);
if (!from_topic || !to_topic) {
return NULL;
}
forward = ao2_alloc_options(sizeof(*forward), forward_dtor, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!forward) {
return NULL;
}
/* Forwards to ourselves are implicit. */
if (to_topic == from_topic) {
return ao2_bump(forward);
}
forward->from_topic = ao2_bump(from_topic);
forward->to_topic = ao2_bump(to_topic);
topic_lock_both(to_topic, from_topic);
res = AST_VECTOR_APPEND(&to_topic->upstream_topics, from_topic);
if (res != 0) {
ao2_unlock(from_topic);
ao2_unlock(to_topic);
return NULL;
}
for (idx = 0; idx < AST_VECTOR_SIZE(&to_topic->subscribers); ++idx) {
topic_add_subscription(from_topic, AST_VECTOR_GET(&to_topic->subscribers, idx));
}
ao2_unlock(from_topic);
ao2_unlock(to_topic);
return ao2_bump(forward);
}
static void bridge_stasis_queue_join_action(struct ast_bridge *self,
struct ast_bridge_channel *bridge_channel, struct ast_bridge_channel *swap)
{
struct defer_bridge_add_obj *defer;
defer = ao2_alloc_options(sizeof(*defer), defer_bridge_add_dtor,
AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!defer) {
return;
}
ao2_ref(self, +1);
defer->bridge = self;
if (swap) {
ast_channel_ref(swap->chan);
defer->swap = swap->chan;
}
ast_channel_lock(bridge_channel->chan);
command_prestart_queue_command(bridge_channel->chan, defer_bridge_add,
defer, __ao2_cleanup);
ast_channel_unlock(bridge_channel->chan);
}
/*! \brief Allocate an \ref ast_ari_conf_user for config parsing */
static void *user_alloc(const char *cat)
{
RAII_VAR(struct ast_ari_conf_user *, user, NULL, ao2_cleanup);
if (!cat) {
return NULL;
}
ast_debug(3, "Allocating user %s\n", cat);
user = ao2_alloc_options(sizeof(*user), user_dtor,
AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!user) {
return NULL;
}
user->username = ast_strdup(cat);
if (!user->username) {
return NULL;
}
ao2_ref(user, +1);
return user;
}
static struct stasis_message *update_create(struct stasis_message *old_snapshot, struct stasis_message *new_snapshot)
{
RAII_VAR(struct stasis_cache_update *, update, NULL, ao2_cleanup);
RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
ast_assert(old_snapshot != NULL || new_snapshot != NULL);
update = ao2_alloc_options(sizeof(*update), stasis_cache_update_dtor,
AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!update) {
return NULL;
}
if (old_snapshot) {
ao2_ref(old_snapshot, +1);
update->old_snapshot = old_snapshot;
if (!new_snapshot) {
ao2_ref(stasis_message_type(old_snapshot), +1);
update->type = stasis_message_type(old_snapshot);
}
}
if (new_snapshot) {
ao2_ref(new_snapshot, +1);
update->new_snapshot = new_snapshot;
ao2_ref(stasis_message_type(new_snapshot), +1);
update->type = stasis_message_type(new_snapshot);
}
msg = stasis_message_create(stasis_cache_update_type(), update);
if (!msg) {
return NULL;
}
ao2_ref(msg, +1);
return msg;
}
static pj_bool_t endpoint_lookup(pjsip_rx_data *rdata)
{
struct ast_sip_endpoint *endpoint;
struct unidentified_request *unid;
int is_ack = rdata->msg_info.msg->line.req.method.id == PJSIP_ACK_METHOD;
endpoint = rdata->endpt_info.mod_data[endpoint_mod.id];
if (endpoint) {
/*
* ao2_find with OBJ_UNLINK always write locks the container before even searching
* for the object. Since the majority case is that the object won't be found, do
* the find without OBJ_UNLINK to prevent the unnecessary write lock, then unlink
* if needed.
*/
unid = ao2_find(unidentified_requests, rdata->pkt_info.src_name, OBJ_SEARCH_KEY);
if (unid) {
ao2_unlink(unidentified_requests, unid);
ao2_ref(unid, -1);
}
apply_acls(rdata);
return PJ_FALSE;
}
endpoint = ast_sip_identify_endpoint(rdata);
if (endpoint) {
unid = ao2_find(unidentified_requests, rdata->pkt_info.src_name, OBJ_SEARCH_KEY);
if (unid) {
ao2_unlink(unidentified_requests, unid);
ao2_ref(unid, -1);
}
}
if (!endpoint) {
/* always use an artificial endpoint - per discussion no reason
to have "alwaysauthreject" as an option. It is felt using it
was a bug fix and it is not needed since we are not worried about
breaking old stuff and we really don't want to enable the discovery
of SIP accounts */
endpoint = ast_sip_get_artificial_endpoint();
}
/* endpoint ref held by mod_data[] */
rdata->endpt_info.mod_data[endpoint_mod.id] = endpoint;
if (endpoint == artificial_endpoint && !is_ack) {
char name[AST_UUID_STR_LEN] = "";
pjsip_uri *from = rdata->msg_info.from->uri;
if (PJSIP_URI_SCHEME_IS_SIP(from) || PJSIP_URI_SCHEME_IS_SIPS(from)) {
pjsip_sip_uri *sip_from = pjsip_uri_get_uri(from);
ast_copy_pj_str(name, &sip_from->user, sizeof(name));
}
unid = ao2_find(unidentified_requests, rdata->pkt_info.src_name, OBJ_SEARCH_KEY);
if (unid) {
check_endpoint(rdata, unid, name);
ao2_ref(unid, -1);
} else if (using_auth_username) {
ao2_wrlock(unidentified_requests);
/* Checking again with the write lock held allows us to eliminate the DUPS_REPLACE and sort_fn */
unid = ao2_find(unidentified_requests, rdata->pkt_info.src_name,
OBJ_SEARCH_KEY | OBJ_NOLOCK);
if (unid) {
check_endpoint(rdata, unid, name);
} else {
unid = ao2_alloc_options(sizeof(*unid) + strlen(rdata->pkt_info.src_name) + 1,
NULL, AO2_ALLOC_OPT_LOCK_RWLOCK);
if (!unid) {
ao2_unlock(unidentified_requests);
pjsip_endpt_respond_stateless(ast_sip_get_pjsip_endpoint(), rdata, 500, NULL, NULL, NULL);
return PJ_TRUE;
}
strcpy(unid->src_name, rdata->pkt_info.src_name); /* Safe */
unid->first_seen = ast_tvnow();
unid->count = 1;
ao2_link_flags(unidentified_requests, unid, OBJ_NOLOCK);
}
ao2_ref(unid, -1);
ao2_unlock(unidentified_requests);
} else {
log_failed_request(rdata, "No matching endpoint found", 0, 0);
ast_sip_report_invalid_endpoint(name, rdata);
}
}
apply_acls(rdata);
return PJ_FALSE;
}
struct ast_channel *stasis_app_control_snoop(struct ast_channel *chan,
enum stasis_app_snoop_direction spy, enum stasis_app_snoop_direction whisper,
const char *app, const char *app_args, const char *snoop_id)
{
RAII_VAR(struct stasis_app_snoop *, snoop, NULL, ao2_cleanup);
struct ast_format_cap *caps;
pthread_t thread;
struct ast_assigned_ids assignedids = {
.uniqueid = snoop_id,
};
if (spy == STASIS_SNOOP_DIRECTION_NONE &&
whisper == STASIS_SNOOP_DIRECTION_NONE) {
return NULL;
}
snoop = ao2_alloc_options(sizeof(*snoop), snoop_destroy, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!snoop) {
return NULL;
}
/* Allocate a buffer to store the Stasis application and arguments in */
snoop->app = ast_str_create(64);
if (!snoop->app) {
return NULL;
}
ast_str_set(&snoop->app, 0, "%s", app);
if (!ast_strlen_zero(app_args)) {
ast_str_append(&snoop->app, 0, ",%s", app_args);
}
/* Set up a timer for the Snoop channel so it wakes up at a specific interval */
snoop->timer = ast_timer_open();
if (!snoop->timer) {
return NULL;
}
ast_timer_set_rate(snoop->timer, 1000 / SNOOP_INTERVAL);
/* Determine which signed linear format should be used */
snoop_determine_format(chan, snoop);
/* Allocate a Snoop channel and set up various parameters */
snoop->chan = ast_channel_alloc(1, AST_STATE_UP, "", "", "", "", "", &assignedids, NULL, 0, "Snoop/%s-%08x", ast_channel_uniqueid(chan),
(unsigned)ast_atomic_fetchadd_int((int *)&chan_idx, +1));
if (!snoop->chan) {
return NULL;
}
ast_copy_string(snoop->uniqueid, ast_channel_uniqueid(chan), sizeof(snoop->uniqueid));
/* To keep the channel valid on the Snoop structure until it is destroyed we bump the ref up here */
ast_channel_ref(snoop->chan);
ast_channel_tech_set(snoop->chan, &snoop_tech);
ao2_ref(snoop, +1);
ast_channel_tech_pvt_set(snoop->chan, snoop);
ast_channel_set_fd(snoop->chan, 0, ast_timer_fd(snoop->timer));
/* The format on the Snoop channel will be this signed linear format, and it will never change */
caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
if (!caps) {
ast_channel_unlock(snoop->chan);
ast_hangup(snoop->chan);
return NULL;
}
ast_format_cap_append(caps, snoop->spy_format, 0);
ast_channel_nativeformats_set(snoop->chan, caps);
ao2_ref(caps, -1);
ast_channel_set_writeformat(snoop->chan, snoop->spy_format);
ast_channel_set_rawwriteformat(snoop->chan, snoop->spy_format);
ast_channel_set_readformat(snoop->chan, snoop->spy_format);
ast_channel_set_rawreadformat(snoop->chan, snoop->spy_format);
ast_channel_unlock(snoop->chan);
if (spy != STASIS_SNOOP_DIRECTION_NONE) {
if (snoop_setup_audiohook(chan, AST_AUDIOHOOK_TYPE_SPY, spy, &snoop->spy_direction, &snoop->spy)) {
ast_hangup(snoop->chan);
return NULL;
}
snoop->spy_samples = ast_format_get_sample_rate(snoop->spy_format) / (1000 / SNOOP_INTERVAL);
snoop->spy_active = 1;
}
/* If whispering is enabled set up the audiohook */
if (whisper != STASIS_SNOOP_DIRECTION_NONE) {
if (snoop_setup_audiohook(chan, AST_AUDIOHOOK_TYPE_WHISPER, whisper, &snoop->whisper_direction, &snoop->whisper)) {
ast_hangup(snoop->chan);
return NULL;
}
snoop->whisper_active = 1;
}
/* Create the thread which services the Snoop channel */
ao2_ref(snoop, +1);
if (ast_pthread_create_detached_background(&thread, NULL, snoop_stasis_thread, snoop)) {
ao2_cleanup(snoop);
/* No other thread is servicing this channel so we can immediately hang it up */
ast_hangup(snoop->chan);
return NULL;
}
publish_chanspy_message(snoop, 1);
/* The caller of this has a reference as well */
return ast_channel_ref(snoop->chan);
}
struct stasis_app *app_create(const char *name, stasis_app_cb handler, void *data)
{
RAII_VAR(struct stasis_app *, app, NULL, ao2_cleanup);
size_t size;
int res = 0;
ast_assert(name != NULL);
ast_assert(handler != NULL);
ast_verb(1, "Creating Stasis app '%s'\n", name);
size = sizeof(*app) + strlen(name) + 1;
app = ao2_alloc_options(size, app_dtor, AO2_ALLOC_OPT_LOCK_MUTEX);
if (!app) {
return NULL;
}
app->forwards = ao2_container_alloc_rbtree(AO2_ALLOC_OPT_LOCK_MUTEX,
AO2_CONTAINER_ALLOC_OPT_DUPS_OBJ_REJECT,
forwards_sort, NULL);
if (!app->forwards) {
return NULL;
}
app->topic = stasis_topic_create(name);
if (!app->topic) {
return NULL;
}
app->bridge_router = stasis_message_router_create(ast_bridge_topic_all());
if (!app->bridge_router) {
return NULL;
}
res |= stasis_message_router_add(app->bridge_router,
ast_bridge_merge_message_type(), bridge_merge_handler, app);
res |= stasis_message_router_add(app->bridge_router,
ast_blind_transfer_type(), bridge_blind_transfer_handler, app);
res |= stasis_message_router_add(app->bridge_router,
ast_attended_transfer_type(), bridge_attended_transfer_handler, app);
res |= stasis_message_router_set_default(app->bridge_router,
bridge_default_handler, app);
if (res != 0) {
return NULL;
}
/* Bridge router holds a reference */
ao2_ref(app, +1);
app->router = stasis_message_router_create(app->topic);
if (!app->router) {
return NULL;
}
res |= stasis_message_router_add_cache_update(app->router,
ast_bridge_snapshot_type(), sub_bridge_update_handler, app);
res |= stasis_message_router_add_cache_update(app->router,
ast_channel_snapshot_type(), sub_channel_update_handler, app);
res |= stasis_message_router_add_cache_update(app->router,
ast_endpoint_snapshot_type(), sub_endpoint_update_handler, app);
res |= stasis_message_router_set_default(app->router,
sub_default_handler, app);
if (res != 0) {
return NULL;
}
/* Router holds a reference */
ao2_ref(app, +1);
strncpy(app->name, name, size - sizeof(*app));
app->handler = handler;
ao2_ref(data, +1);
app->data = data;
ao2_ref(app, +1);
return app;
}
struct stasis_app *app_create(const char *name, stasis_app_cb handler, void *data, enum stasis_app_subscription_model subscription_model)
{
RAII_VAR(struct stasis_app *, app, NULL, ao2_cleanup);
size_t size;
int res = 0;
size_t context_size = strlen("stasis-") + strlen(name) + 1;
char context_name[context_size];
ast_assert(name != NULL);
ast_assert(handler != NULL);
ast_verb(1, "Creating Stasis app '%s'\n", name);
size = sizeof(*app) + strlen(name) + 1;
app = ao2_alloc_options(size, app_dtor, AO2_ALLOC_OPT_LOCK_MUTEX);
if (!app) {
return NULL;
}
app->subscription_model = subscription_model;
app->forwards = ao2_container_alloc_rbtree(AO2_ALLOC_OPT_LOCK_MUTEX,
AO2_CONTAINER_ALLOC_OPT_DUPS_OBJ_REJECT,
forwards_sort, NULL);
if (!app->forwards) {
return NULL;
}
app->topic = stasis_topic_create(name);
if (!app->topic) {
return NULL;
}
app->bridge_router = stasis_message_router_create(ast_bridge_topic_all());
if (!app->bridge_router) {
return NULL;
}
res |= stasis_message_router_add(app->bridge_router,
ast_bridge_merge_message_type(), bridge_merge_handler, app);
res |= stasis_message_router_add(app->bridge_router,
ast_blind_transfer_type(), bridge_blind_transfer_handler, app);
res |= stasis_message_router_add(app->bridge_router,
ast_attended_transfer_type(), bridge_attended_transfer_handler, app);
res |= stasis_message_router_add(app->bridge_router,
stasis_subscription_change_type(), bridge_subscription_change_handler, app);
if (res != 0) {
return NULL;
}
/* Bridge router holds a reference */
ao2_ref(app, +1);
app->router = stasis_message_router_create(app->topic);
if (!app->router) {
return NULL;
}
res |= stasis_message_router_add(app->router,
ast_bridge_snapshot_type(), sub_bridge_update_handler, app);
res |= stasis_message_router_add(app->router,
ast_channel_snapshot_type(), sub_channel_update_handler, app);
res |= stasis_message_router_add_cache_update(app->router,
ast_endpoint_snapshot_type(), sub_endpoint_update_handler, app);
res |= stasis_message_router_add(app->router,
stasis_subscription_change_type(), sub_subscription_change_handler, app);
stasis_message_router_set_formatters_default(app->router,
sub_default_handler, app, STASIS_SUBSCRIPTION_FORMATTER_JSON);
if (res != 0) {
return NULL;
}
/* Router holds a reference */
ao2_ref(app, +1);
strncpy(app->name, name, size - sizeof(*app));
app->handler = handler;
app->data = ao2_bump(data);
/* Create a context, a match-all extension, and a 'h' extension for this application. Note that
* this should only be done if a context does not already exist. */
strcpy(context_name, "stasis-");
strcat(context_name, name);
if (!ast_context_find(context_name)) {
if (!ast_context_find_or_create(NULL, NULL, context_name, "res_stasis")) {
ast_log(LOG_WARNING, "Could not create context '%s' for Stasis application '%s'\n", context_name, name);
} else {
ast_add_extension(context_name, 0, "_.", 1, NULL, NULL, "Stasis", ast_strdup(name), ast_free_ptr, "res_stasis");
ast_add_extension(context_name, 0, "h", 1, NULL, NULL, "NoOp", NULL, NULL, "res_stasis");
}
} else {
ast_log(LOG_WARNING, "Not creating context '%s' for Stasis application '%s' because it already exists\n",
context_name, name);
}
ao2_ref(app, +1);
return app;
}
int ast_sip_initialize_distributor(void)
{
unidentified_requests = ao2_container_alloc_hash(AO2_ALLOC_OPT_LOCK_RWLOCK, 0,
DEFAULT_SUSPECTS_BUCKETS, suspects_hash, NULL, suspects_compare);
if (!unidentified_requests) {
return -1;
}
dialog_associations = ao2_container_alloc_hash(AO2_ALLOC_OPT_LOCK_RWLOCK, 0,
DIALOG_ASSOCIATIONS_BUCKETS, dialog_associations_hash, NULL,
dialog_associations_cmp);
if (!dialog_associations) {
ast_sip_destroy_distributor();
return -1;
}
if (distributor_pool_setup()) {
ast_sip_destroy_distributor();
return -1;
}
prune_context = ast_sched_context_create();
if (!prune_context) {
ast_sip_destroy_distributor();
return -1;
}
if (ast_sched_start_thread(prune_context)) {
ast_sip_destroy_distributor();
return -1;
}
ast_sorcery_observer_add(ast_sip_get_sorcery(), "global", &global_observer);
ast_sorcery_reload_object(ast_sip_get_sorcery(), "global");
if (create_artificial_endpoint() || create_artificial_auth()) {
ast_sip_destroy_distributor();
return -1;
}
if (ast_sip_register_service(&distributor_mod)) {
ast_sip_destroy_distributor();
return -1;
}
if (ast_sip_register_service(&endpoint_mod)) {
ast_sip_destroy_distributor();
return -1;
}
if (ast_sip_register_service(&auth_mod)) {
ast_sip_destroy_distributor();
return -1;
}
unid_formatter = ao2_alloc_options(sizeof(struct ast_sip_cli_formatter_entry), NULL,
AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!unid_formatter) {
ast_sip_destroy_distributor();
ast_log(LOG_ERROR, "Unable to allocate memory for unid_formatter\n");
return -1;
}
unid_formatter->name = "unidentified_request";
unid_formatter->print_header = cli_unid_print_header;
unid_formatter->print_body = cli_unid_print_body;
unid_formatter->get_container = cli_unid_get_container;
unid_formatter->iterate = cli_unid_iterate;
unid_formatter->get_id = cli_unid_get_id;
unid_formatter->retrieve_by_id = cli_unid_retrieve_by_id;
ast_sip_register_cli_formatter(unid_formatter);
ast_cli_register_multiple(cli_commands, ARRAY_LEN(cli_commands));
return 0;
}
static struct topic_pool_entry *topic_pool_entry_alloc(void)
{
return ao2_alloc_options(sizeof(struct topic_pool_entry), topic_pool_entry_dtor,
AO2_ALLOC_OPT_LOCK_NOLOCK);
}
static void register_aor_core(pjsip_rx_data *rdata,
struct ast_sip_endpoint *endpoint,
struct ast_sip_aor *aor,
const char *aor_name,
struct ao2_container *contacts,
struct aor_core_response *response)
{
static const pj_str_t USER_AGENT = { "User-Agent", 10 };
int added = 0;
int updated = 0;
int deleted = 0;
int permanent = 0;
int contact_count;
struct ao2_container *existing_contacts = NULL;
pjsip_contact_hdr *contact_hdr = (pjsip_contact_hdr *)&rdata->msg_info.msg->hdr;
struct registrar_contact_details details = { 0, };
pjsip_tx_data *tdata;
RAII_VAR(struct ast_str *, path_str, NULL, ast_free);
struct ast_sip_contact *response_contact;
char *user_agent = NULL;
pjsip_user_agent_hdr *user_agent_hdr;
pjsip_expires_hdr *expires_hdr;
pjsip_via_hdr *via_hdr;
pjsip_via_hdr *via_hdr_last;
char *via_addr = NULL;
int via_port = 0;
pjsip_cid_hdr *call_id_hdr;
char *call_id = NULL;
size_t alloc_size;
/* We create a single pool and use it throughout this function where we need one */
details.pool = pjsip_endpt_create_pool(ast_sip_get_pjsip_endpoint(),
"Contact Comparison", 1024, 256);
if (!details.pool) {
response->code = 500;
return;
}
/* If there are any permanent contacts configured on the AOR we need to take them
* into account when counting contacts.
*/
if (aor->permanent_contacts) {
permanent = ao2_container_count(aor->permanent_contacts);
}
if (registrar_validate_contacts(rdata, details.pool, contacts, aor, permanent, &added, &updated, &deleted)) {
/* The provided Contact headers do not conform to the specification */
ast_sip_report_failed_acl(endpoint, rdata, "registrar_invalid_contacts_provided");
ast_log(LOG_WARNING, "Failed to validate contacts in REGISTER request from '%s'\n",
ast_sorcery_object_get_id(endpoint));
response->code = 400;
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), details.pool);
return;
}
if (registrar_validate_path(rdata, aor, &path_str)) {
/* Ensure that intervening proxies did not make invalid modifications to the request */
ast_log(LOG_WARNING, "Invalid modifications made to REGISTER request from '%s' by intervening proxy\n",
ast_sorcery_object_get_id(endpoint));
response->code = 420;
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), details.pool);
return;
}
if (aor->remove_existing) {
/* Cumulative number of contacts affected by this registration */
contact_count = MAX(updated + added - deleted, 0);
/* We need to keep track of only existing contacts so we can later
* remove them if need be.
*/
existing_contacts = ao2_container_alloc_list(AO2_ALLOC_OPT_LOCK_NOLOCK, 0,
NULL, ast_sorcery_object_id_compare);
if (!existing_contacts) {
response->code = 500;
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), details.pool);
return;
}
ao2_callback(contacts, OBJ_NODATA, registrar_add_non_permanent, existing_contacts);
} else {
/* Total contacts after this registration */
contact_count = ao2_container_count(contacts) - permanent + added - deleted;
}
if (contact_count > aor->max_contacts) {
/* Enforce the maximum number of contacts */
ast_sip_report_failed_acl(endpoint, rdata, "registrar_attempt_exceeds_maximum_configured_contacts");
ast_log(LOG_WARNING, "Registration attempt from endpoint '%s' to AOR '%s' will exceed max contacts of %u\n",
ast_sorcery_object_get_id(endpoint), aor_name, aor->max_contacts);
response->code = 403;
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), details.pool);
ao2_cleanup(existing_contacts);
return;
}
user_agent_hdr = pjsip_msg_find_hdr_by_name(rdata->msg_info.msg, &USER_AGENT, NULL);
if (user_agent_hdr) {
alloc_size = pj_strlen(&user_agent_hdr->hvalue) + 1;
user_agent = ast_alloca(alloc_size);
ast_copy_pj_str(user_agent, &user_agent_hdr->hvalue, alloc_size);
}
/* Find the first Via header */
via_hdr = via_hdr_last = (pjsip_via_hdr*) pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_VIA, NULL);
if (via_hdr) {
/* Find the last Via header */
while ( (via_hdr = (pjsip_via_hdr*) pjsip_msg_find_hdr(rdata->msg_info.msg,
PJSIP_H_VIA, via_hdr->next)) != NULL) {
via_hdr_last = via_hdr;
}
alloc_size = pj_strlen(&via_hdr_last->sent_by.host) + 1;
via_addr = ast_alloca(alloc_size);
ast_copy_pj_str(via_addr, &via_hdr_last->sent_by.host, alloc_size);
via_port=via_hdr_last->sent_by.port;
}
call_id_hdr = (pjsip_cid_hdr*) pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_CALL_ID, NULL);
if (call_id_hdr) {
alloc_size = pj_strlen(&call_id_hdr->id) + 1;
call_id = ast_alloca(alloc_size);
ast_copy_pj_str(call_id, &call_id_hdr->id, alloc_size);
}
/* Iterate each provided Contact header and add, update, or delete */
for (; (contact_hdr = (pjsip_contact_hdr *) pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_CONTACT, contact_hdr->next)); pj_pool_reset(details.pool)) {
int expiration;
char contact_uri[pjsip_max_url_size];
RAII_VAR(struct ast_sip_contact *, contact, NULL, ao2_cleanup);
if (contact_hdr->star) {
/* A star means to unregister everything, so do so for the possible contacts */
ao2_callback(contacts, OBJ_NODATA | OBJ_UNLINK | OBJ_MULTIPLE,
registrar_delete_contact, (void *)aor_name);
/* If we are keeping track of existing contacts for removal then, well, there is
* absolutely nothing left so no need to try to remove any.
*/
if (existing_contacts) {
ao2_ref(existing_contacts, -1);
existing_contacts = NULL;
}
break;
}
if (!PJSIP_URI_SCHEME_IS_SIP(contact_hdr->uri) && !PJSIP_URI_SCHEME_IS_SIPS(contact_hdr->uri)) {
/* This registrar only currently supports sip: and sips: URI schemes */
continue;
}
expiration = registrar_get_expiration(aor, contact_hdr, rdata);
details.uri = pjsip_uri_get_uri(contact_hdr->uri);
pjsip_uri_print(PJSIP_URI_IN_CONTACT_HDR, details.uri, contact_uri, sizeof(contact_uri));
contact = ao2_callback(contacts, OBJ_UNLINK, registrar_find_contact, &details);
/* If a contact was returned and we need to keep track of existing contacts then it
* should be removed.
*/
if (contact && existing_contacts) {
ao2_unlink(existing_contacts, contact);
}
if (!contact) {
int prune_on_boot;
/* If they are actually trying to delete a contact that does not exist... be forgiving */
if (!expiration) {
ast_verb(3, "Attempted to remove non-existent contact '%s' from AOR '%s' by request\n",
contact_uri, aor_name);
continue;
}
prune_on_boot = !ast_sip_will_uri_survive_restart(details.uri, endpoint, rdata);
contact = ast_sip_location_create_contact(aor, contact_uri,
ast_tvadd(ast_tvnow(), ast_samp2tv(expiration, 1)),
path_str ? ast_str_buffer(path_str) : NULL,
user_agent, via_addr, via_port, call_id, prune_on_boot, endpoint);
if (!contact) {
ast_log(LOG_ERROR, "Unable to bind contact '%s' to AOR '%s'\n",
contact_uri, aor_name);
continue;
}
if (prune_on_boot) {
const char *contact_name;
struct contact_transport_monitor *monitor;
/*
* Monitor the transport in case it gets disconnected because
* the contact won't be valid anymore if that happens.
*/
contact_name = ast_sorcery_object_get_id(contact);
monitor = ao2_alloc_options(sizeof(*monitor) + 2 + strlen(aor_name)
+ strlen(contact_name), NULL, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (monitor) {
strcpy(monitor->aor_name, aor_name);/* Safe */
monitor->contact_name = monitor->aor_name + strlen(aor_name) + 1;
strcpy(monitor->contact_name, contact_name);/* Safe */
ast_sip_transport_monitor_register(rdata->tp_info.transport,
register_contact_transport_shutdown_cb, monitor);
ao2_ref(monitor, -1);
}
}
ast_verb(3, "Added contact '%s' to AOR '%s' with expiration of %d seconds\n",
contact_uri, aor_name, expiration);
ast_test_suite_event_notify("AOR_CONTACT_ADDED",
"Contact: %s\r\n"
"AOR: %s\r\n"
"Expiration: %d\r\n"
"UserAgent: %s",
contact_uri,
aor_name,
expiration,
user_agent);
ao2_link(contacts, contact);
} else if (expiration) {
struct ast_sip_contact *contact_update;
contact_update = ast_sorcery_copy(ast_sip_get_sorcery(), contact);
if (!contact_update) {
ast_log(LOG_ERROR, "Failed to update contact '%s' expiration time to %d seconds.\n",
contact->uri, expiration);
continue;
}
contact_update->expiration_time = ast_tvadd(ast_tvnow(), ast_samp2tv(expiration, 1));
contact_update->qualify_frequency = aor->qualify_frequency;
contact_update->authenticate_qualify = aor->authenticate_qualify;
if (path_str) {
ast_string_field_set(contact_update, path, ast_str_buffer(path_str));
}
if (user_agent) {
ast_string_field_set(contact_update, user_agent, user_agent);
}
if (!ast_strlen_zero(ast_config_AST_SYSTEM_NAME)) {
ast_string_field_set(contact_update, reg_server, ast_config_AST_SYSTEM_NAME);
}
if (ast_sip_location_update_contact(contact_update)) {
ast_log(LOG_ERROR, "Failed to update contact '%s' expiration time to %d seconds.\n",
contact->uri, expiration);
ast_sip_location_delete_contact(contact);
continue;
}
ast_debug(3, "Refreshed contact '%s' on AOR '%s' with new expiration of %d seconds\n",
contact_uri, aor_name, expiration);
ast_test_suite_event_notify("AOR_CONTACT_REFRESHED",
"Contact: %s\r\n"
"AOR: %s\r\n"
"Expiration: %d\r\n"
"UserAgent: %s",
contact_uri,
aor_name,
expiration,
contact_update->user_agent);
ao2_link(contacts, contact_update);
ao2_cleanup(contact_update);
} else {
if (contact->prune_on_boot) {
struct contact_transport_monitor *monitor;
const char *contact_name =
ast_sorcery_object_get_id(contact);
monitor = ast_alloca(sizeof(*monitor) + 2 + strlen(aor_name)
+ strlen(contact_name));
strcpy(monitor->aor_name, aor_name);/* Safe */
monitor->contact_name = monitor->aor_name + strlen(aor_name) + 1;
strcpy(monitor->contact_name, contact_name);/* Safe */
ast_sip_transport_monitor_unregister(rdata->tp_info.transport,
register_contact_transport_shutdown_cb, monitor, contact_transport_monitor_matcher);
}
/* We want to report the user agent that was actually in the removed contact */
ast_sip_location_delete_contact(contact);
ast_verb(3, "Removed contact '%s' from AOR '%s' due to request\n", contact_uri, aor_name);
ast_test_suite_event_notify("AOR_CONTACT_REMOVED",
"Contact: %s\r\n"
"AOR: %s\r\n"
"UserAgent: %s",
contact_uri,
aor_name,
contact->user_agent);
}
}
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), details.pool);
/*
* If the AOR is configured to remove any contacts over max_contacts
* that have not been updated/added/deleted as a result of this
* REGISTER do so.
*
* The existing contacts container holds all contacts that were not
* involved in this REGISTER.
* The contacts container holds the current contacts of the AOR.
*/
if (aor->remove_existing && existing_contacts) {
/* Total contacts after this registration */
contact_count = ao2_container_count(existing_contacts) + updated + added;
if (contact_count > aor->max_contacts) {
/* Remove excess existing contacts that expire the soonest */
remove_excess_contacts(existing_contacts, contacts, contact_count - aor->max_contacts);
}
ao2_ref(existing_contacts, -1);
}
response_contact = ao2_callback(contacts, 0, NULL, NULL);
/* Send a response containing all of the contacts (including static) that are present on this AOR */
if (ast_sip_create_response(rdata, 200, response_contact, &tdata) != PJ_SUCCESS) {
ao2_cleanup(response_contact);
ao2_cleanup(contacts);
response->code = 500;
return;
}
ao2_cleanup(response_contact);
/* Add the date header to the response, some UAs use this to set their date and time */
registrar_add_date_header(tdata);
ao2_callback(contacts, 0, registrar_add_contact, tdata);
if ((expires_hdr = pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_EXPIRES, NULL))) {
expires_hdr = pjsip_expires_hdr_create(tdata->pool, registrar_get_expiration(aor, NULL, rdata));
pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)expires_hdr);
}
response->tdata = tdata;
}
