void ast_json_unref(struct ast_json *json)
{
struct json_mem_list *free_list;
struct json_mem *mem;
if (!json) {
return;
}
/* Jansson refcounting is non-atomic; lock it. */
{
SCOPED_JSON_LOCK(json);
json_decref((json_t *) json);
}
/* Now free any objects that were ast_json_free()'s while the lock was
* held */
free_list = json_free_list();
if (!free_list) {
return;
}
while ((mem = AST_LIST_REMOVE_HEAD(free_list, list))) {
json_mem_free(mem);
}
}
static struct ast_frame *gen_readframe(struct gen_state *state)
{
struct ast_frame *f = NULL;
struct ivr_localuser *u = state->u;
if (u->abort_current_sound ||
(u->playing_silence && AST_LIST_FIRST(&u->playlist))) {
gen_closestream(state);
AST_LIST_LOCK(&u->playlist);
gen_nextfile(state);
AST_LIST_UNLOCK(&u->playlist);
}
if (!(state->stream && (f = ast_readframe(state->stream)))) {
if (state->current) {
/* remove finished file from playlist */
AST_LIST_LOCK(&u->playlist);
AST_LIST_REMOVE_HEAD(&u->playlist, list);
AST_LIST_UNLOCK(&u->playlist);
/* add finished file to finishlist */
AST_LIST_LOCK(&u->finishlist);
AST_LIST_INSERT_TAIL(&u->finishlist, state->current, list);
AST_LIST_UNLOCK(&u->finishlist);
state->current = NULL;
}
if (!gen_nextfile(state))
f = ast_readframe(state->stream);
}
return f;
}
/* caller has the playlist locked */
static int gen_nextfile(struct gen_state *state)
{
struct ivr_localuser *u = state->u;
char *file_to_stream;
u->abort_current_sound = 0;
u->playing_silence = 0;
gen_closestream(state);
while (!state->stream) {
state->current = AST_LIST_REMOVE_HEAD(&u->playlist, list);
if (state->current) {
file_to_stream = state->current->filename;
} else {
file_to_stream = "silence/10";
u->playing_silence = 1;
}
if (!(state->stream = ast_openstream_full(u->chan, file_to_stream, u->chan->language, 1))) {
ast_chan_log(LOG_WARNING, u->chan, "File '%s' could not be opened: %s\n", file_to_stream, strerror(errno));
if (!u->playing_silence) {
continue;
} else {
break;
}
}
}
return (!state->stream);
}
void sip_route_clear(struct sip_route *route)
{
struct sip_route_hop *hop;
while ((hop = AST_LIST_REMOVE_HEAD(&route->list, list))) {
ast_free(hop);
}
route->type = route_loose;
}
static void shared_variable_free(void *data)
{
struct varshead *varshead = data;
struct ast_var_t *var;
while ((var = AST_LIST_REMOVE_HEAD(varshead, entries))) {
ast_var_delete(var);
}
ast_free(varshead);
}
/*!
* \internal
* \brief Put the regions list into the allocated regions hash table.
*
* \param list List to put into the allocated regions hash table.
*
* \note reglock must be locked before calling.
*
* \return Nothing
*/
static void mm_atexit_hash_restore(struct region_list *list)
{
struct ast_region *reg;
int hash;
while ((reg = AST_LIST_REMOVE_HEAD(list, node))) {
hash = HASH(reg->data);
AST_LIST_NEXT(reg, node) = regions[hash];
regions[hash] = reg;
}
}
void ast_slinfactory_destroy(struct ast_slinfactory *sf)
{
struct ast_frame *f;
if (sf->trans) {
ast_translator_free_path(sf->trans);
sf->trans = NULL;
}
while ((f = AST_LIST_REMOVE_HEAD(&sf->queue, frame_list)))
ast_frfree(f);
}
int ast_slinfactory_read(struct ast_slinfactory *sf, short *buf, size_t samples)
{
struct ast_frame *frame_ptr;
unsigned int sofar = 0, ineed, remain;
short *frame_data, *offset = buf;
while (sofar < samples) {
ineed = samples - sofar;
if (sf->holdlen) {
if (sf->holdlen <= ineed) {
memcpy(offset, sf->hold, sf->holdlen * sizeof(*offset));
sofar += sf->holdlen;
offset += sf->holdlen;
sf->holdlen = 0;
sf->offset = sf->hold;
} else {
remain = sf->holdlen - ineed;
memcpy(offset, sf->offset, ineed * sizeof(*offset));
sofar += ineed;
sf->offset += ineed;
sf->holdlen = remain;
}
continue;
}
if ((frame_ptr = AST_LIST_REMOVE_HEAD(&sf->queue, frame_list))) {
frame_data = frame_ptr->data;
if (frame_ptr->samples <= ineed) {
memcpy(offset, frame_data, frame_ptr->samples * sizeof(*offset));
sofar += frame_ptr->samples;
offset += frame_ptr->samples;
} else {
remain = frame_ptr->samples - ineed;
memcpy(offset, frame_data, ineed * sizeof(*offset));
sofar += ineed;
frame_data += ineed;
if (remain > (AST_SLINFACTORY_MAX_HOLD - sf->holdlen)) {
remain = AST_SLINFACTORY_MAX_HOLD - sf->holdlen;
}
memcpy(sf->hold, frame_data, remain * sizeof(*offset));
sf->holdlen = remain;
}
ast_frfree(frame_ptr);
} else {
break;
}
}
sf->size -= sofar;
return sofar;
}
void ast_var_list_destroy(struct varshead *head)
{
struct ast_var_t *var;
if (!head) {
return;
}
while ((var = AST_LIST_REMOVE_HEAD(head, entries))) {
ast_var_delete(var);
}
ast_free(head);
}
/*!
* \internal
* \brief Merge the given sorted sublists into sorted order onto the end of the list.
*
* \param list Merge sublists onto this list.
* \param sub1 First sublist to merge.
* \param sub2 Second sublist to merge.
*
* \return Nothing
*/
static void mm_atexit_list_merge(struct region_list *list, struct region_list *sub1, struct region_list *sub2)
{
struct ast_region *reg;
for (;;) {
if (AST_LIST_EMPTY(sub1)) {
/* The remaining sublist goes onto the list. */
AST_LIST_APPEND_LIST(list, sub2, node);
break;
}
if (AST_LIST_EMPTY(sub2)) {
/* The remaining sublist goes onto the list. */
AST_LIST_APPEND_LIST(list, sub1, node);
break;
}
if (mm_atexit_cmp(AST_LIST_FIRST(sub1), AST_LIST_FIRST(sub2)) <= 0) {
reg = AST_LIST_REMOVE_HEAD(sub1, node);
} else {
reg = AST_LIST_REMOVE_HEAD(sub2, node);
}
AST_LIST_INSERT_TAIL(list, reg, node);
}
}
void ast_pbx_hangup_handler_destroy(struct ast_channel *chan)
{
struct ast_hangup_handler_list *handlers;
struct ast_hangup_handler *h_handler;
ast_channel_lock(chan);
/* Get rid of each of the hangup handlers on the channel */
handlers = ast_channel_hangup_handlers(chan);
while ((h_handler = AST_LIST_REMOVE_HEAD(handlers, node))) {
ast_free(h_handler);
}
ast_channel_unlock(chan);
}
static void dialed_interface_destroy(void *data)
{
struct ast_dialed_interface *di = NULL;
AST_LIST_HEAD(, ast_dialed_interface) *dialed_interface_list = data;
if (!dialed_interface_list) {
return;
}
AST_LIST_LOCK(dialed_interface_list);
while ((di = AST_LIST_REMOVE_HEAD(dialed_interface_list, list)))
ast_free(di);
AST_LIST_UNLOCK(dialed_interface_list);
AST_LIST_HEAD_DESTROY(dialed_interface_list);
ast_free(dialed_interface_list);
}
void ast_slinfactory_flush(struct ast_slinfactory *sf)
{
struct ast_frame *fr = NULL;
if (sf->trans) {
ast_translator_free_path(sf->trans);
sf->trans = NULL;
}
while ((fr = AST_LIST_REMOVE_HEAD(&sf->queue, frame_list)))
ast_frfree(fr);
sf->size = sf->holdlen = 0;
sf->offset = sf->hold;
return;
}
static inline void at_fifo_queue_rem (pvt_t* pvt)
{
at_queue_t* e = AST_LIST_REMOVE_HEAD (&pvt->at_queue, entry);
if (e)
{
ast_debug (4, "[%s] remove command '%s' expected response '%s'\n", pvt->id,
at_cmd2str (e->cmd), at_res2str (e->res));
if (e->ptype == 0 && e->param.data)
{
ast_free (e->param.data);
}
ast_free (e);
}
}
int ast_pbx_hangup_handler_pop(struct ast_channel *chan)
{
struct ast_hangup_handler_list *handlers;
struct ast_hangup_handler *h_handler;
ast_channel_lock(chan);
handlers = ast_channel_hangup_handlers(chan);
h_handler = AST_LIST_REMOVE_HEAD(handlers, node);
if (h_handler) {
publish_hangup_handler_message("pop", chan, h_handler->args);
}
ast_channel_unlock(chan);
if (h_handler) {
ast_free(h_handler);
return 1;
}
return 0;
}
static char *loopback_helper(char *buf, int buflen, const char *exten, const char *context, int priority, const char *data)
{
struct ast_var_t *newvariable;
struct varshead headp;
char tmp[80];
snprintf(tmp, sizeof(tmp), "%d", priority);
memset(buf, 0, buflen);
AST_LIST_HEAD_INIT_NOLOCK(&headp);
AST_LIST_INSERT_HEAD(&headp, ast_var_assign("EXTEN", exten), entries);
AST_LIST_INSERT_HEAD(&headp, ast_var_assign("CONTEXT", context), entries);
AST_LIST_INSERT_HEAD(&headp, ast_var_assign("PRIORITY", tmp), entries);
/* Substitute variables */
pbx_substitute_variables_varshead(&headp, data, buf, buflen);
/* free the list */
while ((newvariable = AST_LIST_REMOVE_HEAD(&headp, entries)))
ast_var_delete(newvariable);
return buf;
}
int ast_pbx_hangup_handler_run(struct ast_channel *chan)
{
struct ast_hangup_handler_list *handlers;
struct ast_hangup_handler *h_handler;
ast_channel_lock(chan);
handlers = ast_channel_hangup_handlers(chan);
if (AST_LIST_EMPTY(handlers)) {
ast_channel_unlock(chan);
return 0;
}
/*
* Make sure that the channel is marked as hungup since we are
* going to run the hangup handlers on it.
*/
ast_softhangup_nolock(chan, AST_SOFTHANGUP_HANGUP_EXEC);
for (;;) {
handlers = ast_channel_hangup_handlers(chan);
h_handler = AST_LIST_REMOVE_HEAD(handlers, node);
if (!h_handler) {
break;
}
publish_hangup_handler_message("run", chan, h_handler->args);
ast_channel_unlock(chan);
ast_app_exec_sub(NULL, chan, h_handler->args, 1);
ast_free(h_handler);
ast_channel_lock(chan);
}
ast_channel_unlock(chan);
return 1;
}
/*!
* \internal
* \brief Take sublists off of the given list.
*
* \param list Source list to remove sublists from the beginning of list.
* \param sub Array of sublists to fill. (Lists are empty on entry.)
* \param num_lists Number of lists to remove from the source list.
* \param size Size of the sublists to remove.
* \param remaining Remaining number of elements on the source list.
*
* \return Nothing
*/
static void mm_atexit_list_split(struct region_list *list, struct region_list sub[], size_t num_lists, size_t size, size_t *remaining)
{
int idx;
for (idx = 0; idx < num_lists; ++idx) {
size_t count;
if (*remaining < size) {
/* The remaining source list goes onto the sublist. */
AST_LIST_APPEND_LIST(&sub[idx], list, node);
*remaining = 0;
break;
}
/* Take a sublist off the beginning of the source list. */
*remaining -= size;
for (count = size; count--;) {
struct ast_region *reg;
reg = AST_LIST_REMOVE_HEAD(list, node);
AST_LIST_INSERT_TAIL(&sub[idx], reg, node);
}
}
}
static int app_exec(struct ast_channel *chan, void *data)
{
struct ast_module_user *lu;
struct playlist_entry *entry;
const char *args = data;
int child_stdin[2] = { 0,0 };
int child_stdout[2] = { 0,0 };
int child_stderr[2] = { 0,0 };
int res = -1;
int test_available_fd = -1;
int gen_active = 0;
int pid;
char *argv[32];
int argc = 1;
char *buf, *command;
FILE *child_commands = NULL;
FILE *child_errors = NULL;
FILE *child_events = NULL;
struct ivr_localuser foo = {
.playlist = AST_LIST_HEAD_INIT_VALUE,
.finishlist = AST_LIST_HEAD_INIT_VALUE,
};
struct ivr_localuser *u = &foo;
sigset_t fullset, oldset;
lu = ast_module_user_add(chan);
sigfillset(&fullset);
pthread_sigmask(SIG_BLOCK, &fullset, &oldset);
u->abort_current_sound = 0;
u->chan = chan;
if (ast_strlen_zero(args)) {
ast_log(LOG_WARNING, "ExternalIVR requires a command to execute\n");
ast_module_user_remove(lu);
return -1;
}
buf = ast_strdupa(data);
argc = ast_app_separate_args(buf, '|', argv, sizeof(argv) / sizeof(argv[0]));
if (pipe(child_stdin)) {
ast_chan_log(LOG_WARNING, chan, "Could not create pipe for child input: %s\n", strerror(errno));
goto exit;
}
if (pipe(child_stdout)) {
ast_chan_log(LOG_WARNING, chan, "Could not create pipe for child output: %s\n", strerror(errno));
goto exit;
}
if (pipe(child_stderr)) {
ast_chan_log(LOG_WARNING, chan, "Could not create pipe for child errors: %s\n", strerror(errno));
goto exit;
}
if (chan->_state != AST_STATE_UP) {
ast_answer(chan);
}
if (ast_activate_generator(chan, &gen, u) < 0) {
ast_chan_log(LOG_WARNING, chan, "Failed to activate generator\n");
goto exit;
} else
gen_active = 1;
pid = fork();
if (pid < 0) {
ast_log(LOG_WARNING, "Failed to fork(): %s\n", strerror(errno));
goto exit;
}
if (!pid) {
/* child process */
int i;
signal(SIGPIPE, SIG_DFL);
pthread_sigmask(SIG_UNBLOCK, &fullset, NULL);
if (ast_opt_high_priority)
ast_set_priority(0);
dup2(child_stdin[0], STDIN_FILENO);
dup2(child_stdout[1], STDOUT_FILENO);
dup2(child_stderr[1], STDERR_FILENO);
for (i = STDERR_FILENO + 1; i < 1024; i++)
close(i);
execv(argv[0], argv);
fprintf(stderr, "Failed to execute '%s': %s\n", argv[0], strerror(errno));
_exit(1);
} else {
/* parent process */
int child_events_fd = child_stdin[1];
int child_commands_fd = child_stdout[0];
int child_errors_fd = child_stderr[0];
struct ast_frame *f;
int ms;
int exception;
int ready_fd;
int waitfds[2] = { child_errors_fd, child_commands_fd };
struct ast_channel *rchan;
pthread_sigmask(SIG_SETMASK, &oldset, NULL);
close(child_stdin[0]);
child_stdin[0] = 0;
close(child_stdout[1]);
child_stdout[1] = 0;
close(child_stderr[1]);
child_stderr[1] = 0;
if (!(child_events = fdopen(child_events_fd, "w"))) {
ast_chan_log(LOG_WARNING, chan, "Could not open stream for child events\n");
goto exit;
}
if (!(child_commands = fdopen(child_commands_fd, "r"))) {
ast_chan_log(LOG_WARNING, chan, "Could not open stream for child commands\n");
goto exit;
}
if (!(child_errors = fdopen(child_errors_fd, "r"))) {
ast_chan_log(LOG_WARNING, chan, "Could not open stream for child errors\n");
goto exit;
}
test_available_fd = open("/dev/null", O_RDONLY);
setvbuf(child_events, NULL, _IONBF, 0);
setvbuf(child_commands, NULL, _IONBF, 0);
setvbuf(child_errors, NULL, _IONBF, 0);
res = 0;
while (1) {
if (ast_test_flag(chan, AST_FLAG_ZOMBIE)) {
ast_chan_log(LOG_NOTICE, chan, "Is a zombie\n");
res = -1;
break;
}
if (ast_check_hangup(chan)) {
ast_chan_log(LOG_NOTICE, chan, "Got check_hangup\n");
send_child_event(child_events, 'H', NULL, chan);
res = -1;
break;
}
ready_fd = 0;
ms = 100;
errno = 0;
exception = 0;
rchan = ast_waitfor_nandfds(&chan, 1, waitfds, 2, &exception, &ready_fd, &ms);
if (!AST_LIST_EMPTY(&u->finishlist)) {
AST_LIST_LOCK(&u->finishlist);
while ((entry = AST_LIST_REMOVE_HEAD(&u->finishlist, list))) {
send_child_event(child_events, 'F', entry->filename, chan);
free(entry);
}
AST_LIST_UNLOCK(&u->finishlist);
}
if (rchan) {
/* the channel has something */
f = ast_read(chan);
if (!f) {
ast_chan_log(LOG_NOTICE, chan, "Returned no frame\n");
send_child_event(child_events, 'H', NULL, chan);
res = -1;
break;
}
if (f->frametype == AST_FRAME_DTMF) {
send_child_event(child_events, f->subclass, NULL, chan);
if (u->option_autoclear) {
if (!u->abort_current_sound && !u->playing_silence)
send_child_event(child_events, 'T', NULL, chan);
AST_LIST_LOCK(&u->playlist);
while ((entry = AST_LIST_REMOVE_HEAD(&u->playlist, list))) {
send_child_event(child_events, 'D', entry->filename, chan);
free(entry);
}
if (!u->playing_silence)
u->abort_current_sound = 1;
AST_LIST_UNLOCK(&u->playlist);
}
} else if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP)) {
ast_chan_log(LOG_NOTICE, chan, "Got AST_CONTROL_HANGUP\n");
send_child_event(child_events, 'H', NULL, chan);
ast_frfree(f);
res = -1;
break;
}
ast_frfree(f);
} else if (ready_fd == child_commands_fd) {
char input[1024];
if (exception || feof(child_commands)) {
ast_chan_log(LOG_WARNING, chan, "Child process went away\n");
res = -1;
break;
}
if (!fgets(input, sizeof(input), child_commands))
continue;
command = ast_strip(input);
ast_chan_log(LOG_DEBUG, chan, "got command '%s'\n", input);
if (strlen(input) < 4)
continue;
if (input[0] == 'S') {
if (ast_fileexists(&input[2], NULL, u->chan->language) == -1) {
ast_chan_log(LOG_WARNING, chan, "Unknown file requested '%s'\n", &input[2]);
send_child_event(child_events, 'Z', NULL, chan);
strcpy(&input[2], "exception");
}
if (!u->abort_current_sound && !u->playing_silence)
send_child_event(child_events, 'T', NULL, chan);
AST_LIST_LOCK(&u->playlist);
while ((entry = AST_LIST_REMOVE_HEAD(&u->playlist, list))) {
send_child_event(child_events, 'D', entry->filename, chan);
free(entry);
}
if (!u->playing_silence)
u->abort_current_sound = 1;
entry = make_entry(&input[2]);
if (entry)
AST_LIST_INSERT_TAIL(&u->playlist, entry, list);
AST_LIST_UNLOCK(&u->playlist);
} else if (input[0] == 'A') {
if (ast_fileexists(&input[2], NULL, u->chan->language) == -1) {
ast_chan_log(LOG_WARNING, chan, "Unknown file requested '%s'\n", &input[2]);
send_child_event(child_events, 'Z', NULL, chan);
strcpy(&input[2], "exception");
}
entry = make_entry(&input[2]);
if (entry) {
AST_LIST_LOCK(&u->playlist);
AST_LIST_INSERT_TAIL(&u->playlist, entry, list);
AST_LIST_UNLOCK(&u->playlist);
}
} else if (input[0] == 'H') {
ast_chan_log(LOG_NOTICE, chan, "Hanging up: %s\n", &input[2]);
send_child_event(child_events, 'H', NULL, chan);
break;
} else if (input[0] == 'O') {
if (!strcasecmp(&input[2], "autoclear"))
u->option_autoclear = 1;
else if (!strcasecmp(&input[2], "noautoclear"))
u->option_autoclear = 0;
else
ast_chan_log(LOG_WARNING, chan, "Unknown option requested '%s'\n", &input[2]);
}
} else if (ready_fd == child_errors_fd) {
char input[1024];
if (exception || (dup2(child_commands_fd, test_available_fd) == -1) || feof(child_errors)) {
ast_chan_log(LOG_WARNING, chan, "Child process went away\n");
res = -1;
break;
}
if (fgets(input, sizeof(input), child_errors)) {
command = ast_strip(input);
ast_chan_log(LOG_NOTICE, chan, "stderr: %s\n", command);
}
} else if ((ready_fd < 0) && ms) {
if (errno == 0 || errno == EINTR)
continue;
ast_chan_log(LOG_WARNING, chan, "Wait failed (%s)\n", strerror(errno));
break;
}
}
}
exit:
if (gen_active)
ast_deactivate_generator(chan);
if (child_events)
fclose(child_events);
if (child_commands)
fclose(child_commands);
if (child_errors)
fclose(child_errors);
if (test_available_fd > -1) {
close(test_available_fd);
}
if (child_stdin[0])
close(child_stdin[0]);
if (child_stdin[1])
close(child_stdin[1]);
if (child_stdout[0])
close(child_stdout[0]);
if (child_stdout[1])
close(child_stdout[1]);
if (child_stderr[0])
close(child_stderr[0]);
if (child_stderr[1])
close(child_stderr[1]);
while ((entry = AST_LIST_REMOVE_HEAD(&u->playlist, list)))
free(entry);
ast_module_user_remove(lu);
return res;
}
/*!
* \internal
* \note This function assumes that we're only called from the "outbound" local channel side
*
* \note it is assummed p is locked and reffed before entering this function
*/
static void check_bridge(struct ast_channel *ast, struct local_pvt *p)
{
struct ast_channel *owner;
struct ast_channel *chan;
struct ast_channel *bridged_chan;
struct ast_frame *f;
/* Do a few conditional checks early on just to see if this optimization is possible */
if (ast_test_flag(p, LOCAL_NO_OPTIMIZATION | LOCAL_ALREADY_MASQED)
|| !p->chan || !p->owner) {
return;
}
/* Safely get the channel bridged to p->chan */
chan = ast_channel_ref(p->chan);
ao2_unlock(p); /* don't call bridged channel with the pvt locked */
bridged_chan = ast_bridged_channel(chan);
ao2_lock(p);
chan = ast_channel_unref(chan);
/* since we had to unlock p to get the bridged chan, validate our
* data once again and verify the bridged channel is what we expect
* it to be in order to perform this optimization */
if (ast_test_flag(p, LOCAL_NO_OPTIMIZATION | LOCAL_ALREADY_MASQED)
|| !p->chan || !p->owner
|| (ast_channel_internal_bridged_channel(p->chan) != bridged_chan)) {
return;
}
/* only do the masquerade if we are being called on the outbound channel,
if it has been bridged to another channel and if there are no pending
frames on the owner channel (because they would be transferred to the
outbound channel during the masquerade)
*/
if (!ast_channel_internal_bridged_channel(p->chan) /* Not ast_bridged_channel! Only go one step! */
|| !AST_LIST_EMPTY(ast_channel_readq(p->owner))
|| ast != p->chan /* Sanity check (should always be false) */) {
return;
}
/* Masquerade bridged channel into owner */
/* Lock everything we need, one by one, and give up if
we can't get everything. Remember, we'll get another
chance in just a little bit */
if (ast_channel_trylock(ast_channel_internal_bridged_channel(p->chan))) {
return;
}
if (ast_check_hangup(ast_channel_internal_bridged_channel(p->chan))
|| ast_channel_trylock(p->owner)) {
ast_channel_unlock(ast_channel_internal_bridged_channel(p->chan));
return;
}
/*
* At this point we have 4 locks:
* p, p->chan (same as ast), p->chan->_bridge, p->owner
*
* Flush a voice or video frame on the outbound channel to make
* the queue empty faster so we can get optimized out.
*/
f = AST_LIST_FIRST(ast_channel_readq(p->chan));
if (f && (f->frametype == AST_FRAME_VOICE || f->frametype == AST_FRAME_VIDEO)) {
AST_LIST_REMOVE_HEAD(ast_channel_readq(p->chan), frame_list);
ast_frfree(f);
f = AST_LIST_FIRST(ast_channel_readq(p->chan));
}
if (f
|| ast_check_hangup(p->owner)
|| ast_channel_masquerade(p->owner, ast_channel_internal_bridged_channel(p->chan))) {
ast_channel_unlock(p->owner);
ast_channel_unlock(ast_channel_internal_bridged_channel(p->chan));
return;
}
/* Masquerade got setup. */
ast_debug(4, "Masquerading %s <- %s\n",
ast_channel_name(p->owner),
ast_channel_name(ast_channel_internal_bridged_channel(p->chan)));
if (ast_channel_monitor(p->owner)
&& !ast_channel_monitor(ast_channel_internal_bridged_channel(p->chan))) {
struct ast_channel_monitor *tmp;
/* If a local channel is being monitored, we don't want a masquerade
* to cause the monitor to go away. Since the masquerade swaps the monitors,
* pre-swapping the monitors before the masquerade will ensure that the monitor
* ends up where it is expected.
*/
tmp = ast_channel_monitor(p->owner);
ast_channel_monitor_set(p->owner, ast_channel_monitor(ast_channel_internal_bridged_channel(p->chan)));
ast_channel_monitor_set(ast_channel_internal_bridged_channel(p->chan), tmp);
}
if (ast_channel_audiohooks(p->chan)) {
struct ast_audiohook_list *audiohooks_swapper;
audiohooks_swapper = ast_channel_audiohooks(p->chan);
ast_channel_audiohooks_set(p->chan, ast_channel_audiohooks(p->owner));
ast_channel_audiohooks_set(p->owner, audiohooks_swapper);
}
/* If any Caller ID was set, preserve it after masquerade like above. We must check
* to see if Caller ID was set because otherwise we'll mistakingly copy info not
* set from the dialplan and will overwrite the real channel Caller ID. The reason
* for this whole preswapping action is because the Caller ID is set on the channel
* thread (which is the to be masqueraded away local channel) before both local
* channels are optimized away.
*/
if (ast_channel_caller(p->owner)->id.name.valid || ast_channel_caller(p->owner)->id.number.valid
|| ast_channel_caller(p->owner)->id.subaddress.valid || ast_channel_caller(p->owner)->ani.name.valid
|| ast_channel_caller(p->owner)->ani.number.valid || ast_channel_caller(p->owner)->ani.subaddress.valid) {
SWAP(*ast_channel_caller(p->owner), *ast_channel_caller(ast_channel_internal_bridged_channel(p->chan)));
}
if (ast_channel_redirecting(p->owner)->from.name.valid || ast_channel_redirecting(p->owner)->from.number.valid
|| ast_channel_redirecting(p->owner)->from.subaddress.valid || ast_channel_redirecting(p->owner)->to.name.valid
|| ast_channel_redirecting(p->owner)->to.number.valid || ast_channel_redirecting(p->owner)->to.subaddress.valid) {
SWAP(*ast_channel_redirecting(p->owner), *ast_channel_redirecting(ast_channel_internal_bridged_channel(p->chan)));
}
if (ast_channel_dialed(p->owner)->number.str || ast_channel_dialed(p->owner)->subaddress.valid) {
SWAP(*ast_channel_dialed(p->owner), *ast_channel_dialed(ast_channel_internal_bridged_channel(p->chan)));
}
ast_app_group_update(p->chan, p->owner);
ast_set_flag(p, LOCAL_ALREADY_MASQED);
ast_channel_unlock(p->owner);
ast_channel_unlock(ast_channel_internal_bridged_channel(p->chan));
/* Do the masquerade now. */
owner = ast_channel_ref(p->owner);
ao2_unlock(p);
ast_channel_unlock(ast);
ast_do_masquerade(owner);
ast_channel_unref(owner);
ast_channel_lock(ast);
ao2_lock(p);
}
