static void call_forwarded_handler(struct stasis_app *app, struct stasis_message *message)
{
struct ast_multi_channel_blob *payload = stasis_message_data(message);
struct ast_channel_snapshot *snapshot = ast_multi_channel_blob_get_channel(payload, "forwarded");
struct ast_channel *chan;
if (!snapshot) {
return;
}
chan = ast_channel_get_by_name(snapshot->base->uniqueid);
if (!chan) {
return;
}
app_subscribe_channel(app, chan);
ast_channel_unref(chan);
}
static int manager_bridge_kick(struct mansession *s, const struct message *m)
{
const char *bridge_uniqueid = astman_get_header(m, "BridgeUniqueid");
const char *channel_name = astman_get_header(m, "Channel");
RAII_VAR(struct ast_bridge *, bridge, NULL, ao2_cleanup);
RAII_VAR(struct ast_channel *, channel, NULL, ao2_cleanup);
if (ast_strlen_zero(channel_name)) {
astman_send_error(s, m, "Channel must be provided");
return 0;
}
channel = ast_channel_get_by_name(channel_name);
if (!channel) {
astman_send_error(s, m, "Channel does not exist");
return 0;
}
if (ast_strlen_zero(bridge_uniqueid)) {
/* get the bridge from the channel */
ast_channel_lock(channel);
bridge = ast_channel_get_bridge(channel);
ast_channel_unlock(channel);
if (!bridge) {
astman_send_error(s, m, "Channel is not in a bridge");
return 0;
}
} else {
bridge = ast_bridge_find_by_id(bridge_uniqueid);
if (!bridge) {
astman_send_error(s, m, "Bridge not found");
return 0;
}
}
if (ast_bridge_kick(bridge, channel)) {
astman_send_error(s, m, "Channel kick from bridge failed");
return 0;
}
astman_send_ack(s, m, "Channel has been kicked");
return 0;
}
static int manager_park(struct mansession *s, const struct message *m)
{
const char *channel = astman_get_header(m, "Channel");
const char *timeout_channel = S_OR(astman_get_header(m, "TimeoutChannel"), astman_get_header(m, "Channel2"));
const char *announce_channel = astman_get_header(m, "AnnounceChannel");
const char *timeout = astman_get_header(m, "Timeout");
const char *parkinglot = astman_get_header(m, "Parkinglot");
char buf[BUFSIZ];
int timeout_override = -1;
RAII_VAR(struct ast_channel *, parker_chan, NULL, ao2_cleanup);
RAII_VAR(struct ast_channel *, chan, NULL, ao2_cleanup);
if (ast_strlen_zero(channel)) {
astman_send_error(s, m, "Channel not specified");
return 0;
}
if (!ast_strlen_zero(timeout)) {
if (sscanf(timeout, "%30d", &timeout_override) != 1 || timeout < 0) {
astman_send_error(s, m, "Invalid Timeout value.");
return 0;
}
if (timeout_override > 0) {
/* If greater than zero, convert to seconds for internal use. Must be >= 1 second. */
timeout_override = MAX(1, timeout_override / 1000);
}
}
if (!(chan = ast_channel_get_by_name(channel))) {
snprintf(buf, sizeof(buf), "Channel does not exist: %s", channel);
astman_send_error(s, m, buf);
return 0;
}
ast_channel_lock(chan);
if (!ast_strlen_zero(timeout_channel)) {
ast_bridge_set_transfer_variables(chan, timeout_channel, 0);
}
ast_channel_unlock(chan);
parker_chan = ast_channel_bridge_peer(chan);
if (!parker_chan || strcmp(ast_channel_name(parker_chan), timeout_channel)) {
if (!ast_strlen_zero(announce_channel)) {
struct ast_channel *announce_chan = ast_channel_get_by_name(announce_channel);
if (!announce_channel) {
astman_send_error(s, m, "AnnounceChannel does not exist");
return 0;
}
create_parked_subscription(announce_chan, ast_channel_uniqueid(chan), 0);
ast_channel_cleanup(announce_chan);
}
manager_park_unbridged(s, m, chan, parkinglot, timeout_override);
return 0;
}
if (!ast_strlen_zero(announce_channel) && strcmp(announce_channel, timeout_channel)) {
/* When using an announce_channel in bridge mode, only add the announce channel if it isn't
* the same as the timeout channel (which will play announcements anyway) */
struct ast_channel *announce_chan = ast_channel_get_by_name(announce_channel);
if (!announce_channel) {
astman_send_error(s, m, "AnnounceChannel does not exist");
return 0;
}
create_parked_subscription(announce_chan, ast_channel_uniqueid(chan), 0);
ast_channel_cleanup(announce_chan);
}
manager_park_bridged(s, m, chan, parker_chan, parkinglot, timeout_override);
return 0;
}
static int manager_mutestream(struct mansession *s, const struct message *m)
{
const char *channel = astman_get_header(m, "Channel");
const char *id = astman_get_header(m,"ActionID");
const char *state = astman_get_header(m,"State");
const char *direction = astman_get_header(m,"Direction");
char id_text[256];
struct ast_channel *c = NULL;
struct ast_datastore *datastore = NULL;
struct mute_information *mute = NULL;
int is_new = 0;
int turnon;
if (ast_strlen_zero(channel)) {
astman_send_error(s, m, "Channel not specified");
return 0;
}
if (ast_strlen_zero(state)) {
astman_send_error(s, m, "State not specified");
return 0;
}
if (ast_strlen_zero(direction)) {
astman_send_error(s, m, "Direction not specified");
return 0;
}
/* Ok, we have everything */
c = ast_channel_get_by_name(channel);
if (!c) {
astman_send_error(s, m, "No such channel");
return 0;
}
ast_channel_lock(c);
if (!(datastore = ast_channel_datastore_find(c, &mute_datastore, NULL))) {
if (!(datastore = initialize_mutehook(c))) {
ast_channel_unlock(c);
ast_channel_unref(c);
astman_send_error(s, m, "Memory allocation failure");
return 0;
}
is_new = 1;
}
mute = datastore->data;
turnon = ast_true(state);
if (!strcasecmp(direction, "in")) {
mute->mute_read = turnon;
} else if (!strcasecmp(direction, "out")) {
mute->mute_write = turnon;
} else if (!strcasecmp(direction, "all")) {
mute->mute_read = mute->mute_write = turnon;
}
if (is_new) {
if (mute_add_audiohook(c, mute, datastore)) {
/* Can't add audiohook */
ast_datastore_free(datastore);
ast_free(mute);
ast_channel_unlock(c);
ast_channel_unref(c);
astman_send_error(s, m, "Couldn't add mute audiohook");
return 0;
}
}
ast_channel_unlock(c);
ast_channel_unref(c);
if (!ast_strlen_zero(id)) {
snprintf(id_text, sizeof(id_text), "ActionID: %s\r\n", id);
} else {
id_text[0] = '\0';
}
astman_append(s, "Response: Success\r\n"
"%s"
"\r\n", id_text);
return 0;
}
static void *channel_find(const struct stasis_app *app, const char *id)
{
return ast_channel_get_by_name(id);
}
/*!
* \internal
* \brief ast_bridge parking push method.
* \since 12.0.0
*
* \param self Bridge to operate upon
* \param bridge_channel Bridge channel to push
* \param swap Bridge channel to swap places with if not NULL
*
* \note On entry, self is already locked
*
* \retval 0 on success
* \retval -1 on failure
*/
static int bridge_parking_push(struct ast_bridge_parking *self, struct ast_bridge_channel *bridge_channel, struct ast_bridge_channel *swap)
{
struct parked_user *pu;
const char *blind_transfer;
RAII_VAR(struct ast_channel *, parker, NULL, ao2_cleanup); /* XXX replace with ast_channel_cleanup when available */
RAII_VAR(struct park_common_datastore *, park_datastore, NULL, park_common_datastore_free);
ast_bridge_base_v_table.push(&self->base, bridge_channel, swap);
ast_assert(self->lot != NULL);
/* Answer the channel if needed */
if (ast_channel_state(bridge_channel->chan) != AST_STATE_UP) {
ast_answer(bridge_channel->chan);
}
if (swap) {
int use_ringing = 0;
ast_bridge_channel_lock(swap);
pu = swap->bridge_pvt;
if (!pu) {
/* This should be impossible since the only way a channel can enter in the first place
* is if it has a parked user associated with it */
publish_parked_call_failure(bridge_channel->chan);
ast_bridge_channel_unlock(swap);
return -1;
}
/* Give the swap channel's parked user reference to the incoming channel */
pu->chan = bridge_channel->chan;
bridge_channel->bridge_pvt = pu;
swap->bridge_pvt = NULL;
if (ast_bridge_channel_has_role(swap, "holding_participant")) {
const char *idle_mode = ast_bridge_channel_get_role_option(swap, "holding_participant", "idle_mode");
if (!ast_strlen_zero(idle_mode) && !strcmp(idle_mode, "ringing")) {
use_ringing = 1;
}
}
ast_bridge_channel_unlock(swap);
parking_set_duration(bridge_channel->features, pu);
if (parking_channel_set_roles(bridge_channel->chan, self->lot, use_ringing)) {
ast_log(LOG_WARNING, "Failed to apply holding bridge roles to %s while joining the parking lot.\n",
ast_channel_name(bridge_channel->chan));
}
publish_parked_call(pu, PARKED_CALL_SWAP);
return 0;
}
if (!(park_datastore = get_park_common_datastore_copy(bridge_channel->chan))) {
/* There was either a failure to apply the datastore when performing park common setup or else we had alloc failures while cloning. Abort. */
return -1;
}
parker = ast_channel_get_by_name(park_datastore->parker_uuid);
/* If the parker and the parkee are the same channel pointer, then the channel entered using
* the park application. It's possible that the channel that transferred it is still alive (particularly
* when a multichannel bridge is parked), so try to get the real parker if possible. */
ast_channel_lock(bridge_channel->chan);
blind_transfer = S_OR(pbx_builtin_getvar_helper(bridge_channel->chan, "BLINDTRANSFER"),
ast_channel_name(bridge_channel->chan));
if (blind_transfer) {
blind_transfer = ast_strdupa(blind_transfer);
}
ast_channel_unlock(bridge_channel->chan);
if (parker == bridge_channel->chan) {
struct ast_channel *real_parker = ast_channel_get_by_name(blind_transfer);
if (real_parker) {
ao2_cleanup(parker);
parker = real_parker;
}
}
pu = generate_parked_user(self->lot, bridge_channel->chan, parker,
park_datastore->parker_dial_string, park_datastore->randomize, park_datastore->time_limit);
if (!pu) {
publish_parked_call_failure(bridge_channel->chan);
return -1;
}
/* If a comeback_override was provided, set it for the parked user's comeback string. */
if (park_datastore->comeback_override) {
ast_copy_string(pu->comeback, park_datastore->comeback_override, sizeof(pu->comeback));
}
/* Generate ParkedCall Stasis Message */
publish_parked_call(pu, PARKED_CALL);
/* If the parkee and the parker are the same and silence_announce isn't set, play the announcement to the parkee */
if (!strcmp(blind_transfer, ast_channel_name(bridge_channel->chan)) && !park_datastore->silence_announce) {
char saynum_buf[16];
snprintf(saynum_buf, sizeof(saynum_buf), "%u %u", 0, pu->parking_space);
ast_bridge_channel_queue_playfile(bridge_channel, say_parking_space, saynum_buf, NULL);
}
/* Apply parking duration limits */
parking_set_duration(bridge_channel->features, pu);
/* Set this to the bridge pvt so that we don't have to refind the parked user associated with this bridge channel again. */
bridge_channel->bridge_pvt = pu;
ast_verb(3, "Parking '" COLORIZE_FMT "' in '" COLORIZE_FMT "' at space %d\n",
COLORIZE(COLOR_BRMAGENTA, 0, ast_channel_name(bridge_channel->chan)),
COLORIZE(COLOR_BRMAGENTA, 0, self->lot->name),
pu->parking_space);
parking_notify_metermaids(pu->parking_space, self->lot->cfg->parking_con, AST_DEVICE_INUSE);
return 0;
}
static int func_mchan_read(struct ast_channel *chan, const char *function,
char *data, struct ast_str **buf, ssize_t len)
{
struct ast_channel *mchan = ast_channel_get_by_name(chan->linkedid);
char *template = alloca(4 + strlen(data));
/*!
* \internal
* \brief Determine if an extension is a parking extension
*/
static int parking_is_exten_park(const char *context, const char *exten)
{
struct ast_exten *exten_obj;
struct pbx_find_info info = { .stacklen = 0 }; /* the rest is reset in pbx_find_extension */
const char *app_at_exten;
ast_debug(4, "Checking if %s@%s is a parking exten\n", exten, context);
exten_obj = pbx_find_extension(NULL, NULL, &info, context, exten, 1, NULL, NULL, E_MATCH);
if (!exten_obj) {
return 0;
}
app_at_exten = ast_get_extension_app(exten_obj);
if (!app_at_exten || strcasecmp(PARK_APPLICATION, app_at_exten)) {
return 0;
}
return 1;
}
/*!
* \internal
* \since 12.0.0
* \brief Perform a blind transfer to a parking lot
*
* In general, most parking features should work to call this function. This will safely
* park either a channel in the bridge with \ref bridge_channel or will park the entire
* bridge if more than one channel is in the bridge. It will create the correct data to
* pass to the \ref AstBridging Bridging API to safely park the channel.
*
* \param bridge_channel The bridge_channel representing the channel performing the park
* \param context The context to blind transfer to
* \param exten The extension to blind transfer to
* \param parked_channel_cb Optional callback executed prior to sending the parked channel into the bridge
* \param parked_channel_data Data for the parked_channel_cb
*
* \retval 0 on success
* \retval non-zero on error
*/
static int parking_blind_transfer_park(struct ast_bridge_channel *bridge_channel,
const char *context, const char *exten, transfer_channel_cb parked_channel_cb,
struct transfer_channel_data *parked_channel_data)
{
RAII_VAR(struct ast_bridge_channel *, other, NULL, ao2_cleanup);
RAII_VAR(struct ast_channel *, other_chan, NULL, ast_channel_cleanup);
struct ast_exten *e;
struct pbx_find_info find_info = { .stacklen = 0 };
int peer_count;
if (ast_strlen_zero(context) || ast_strlen_zero(exten)) {
return -1;
}
if (!bridge_channel->in_bridge) {
return -1;
}
if (!parking_is_exten_park(context, exten)) {
return -1;
}
ast_bridge_channel_lock_bridge(bridge_channel);
peer_count = bridge_channel->bridge->num_channels;
if (peer_count == 2) {
other = ast_bridge_channel_peer(bridge_channel);
ao2_ref(other, +1);
other_chan = other->chan;
ast_channel_ref(other_chan);
}
ast_bridge_unlock(bridge_channel->bridge);
if (peer_count < 2) {
/* There is nothing to do if there is no one to park. */
return -1;
}
/* With a multiparty bridge, we need to do a regular blind transfer. We link the
* existing bridge to the parking lot with a Local channel rather than
* transferring others. */
if (peer_count > 2) {
struct ast_channel *transfer_chan = NULL;
transfer_chan = park_local_transfer(bridge_channel->chan, context, exten, parked_channel_data);
if (!transfer_chan) {
return -1;
}
ast_channel_ref(transfer_chan);
if (parked_channel_cb) {
parked_channel_cb(transfer_chan, parked_channel_data, AST_BRIDGE_TRANSFER_MULTI_PARTY);
}
if (ast_bridge_impart(bridge_channel->bridge, transfer_chan, NULL, NULL,
AST_BRIDGE_IMPART_CHAN_INDEPENDENT)) {
ast_hangup(transfer_chan);
ast_channel_unref(transfer_chan);
return -1;
}
ast_channel_unref(transfer_chan);
return 0;
}
/* Subscribe to park messages with the other channel entering */
if (create_parked_subscription_full(bridge_channel->chan, ast_channel_uniqueid(other->chan), 1, parked_channel_data)) {
return -1;
}
if (parked_channel_cb) {
parked_channel_cb(other_chan, parked_channel_data, AST_BRIDGE_TRANSFER_SINGLE_PARTY);
}
e = pbx_find_extension(NULL, NULL, &find_info, context, exten, 1, NULL, NULL, E_MATCH);
/* Write the park frame with the intended recipient and other data out to the bridge. */
ast_bridge_channel_write_park(bridge_channel,
ast_channel_uniqueid(other_chan),
ast_channel_uniqueid(bridge_channel->chan),
e ? ast_get_extension_app_data(e) : NULL);
return 0;
}
/*!
* \internal
* \since 12.0.0
* \brief Perform a direct park on a channel in a bridge
*
* \note This will be called from within the \ref AstBridging Bridging API
*
* \param bridge_channel The bridge_channel representing the channel to be parked
* \param uuid_parkee The UUID of the channel being parked
* \param uuid_parker The UUID of the channel performing the park
* \param app_data Application parseable data to pass to the parking application
*/
static int parking_park_bridge_channel(struct ast_bridge_channel *bridge_channel, const char *uuid_parkee, const char *uuid_parker, const char *app_data)
{
RAII_VAR(struct ast_bridge *, parking_bridge, NULL, ao2_cleanup);
RAII_VAR(struct ast_bridge *, original_bridge, NULL, ao2_cleanup);
RAII_VAR(struct ast_channel *, parker, NULL, ao2_cleanup);
if (strcmp(ast_channel_uniqueid(bridge_channel->chan), uuid_parkee)) {
/* We aren't the parkee, so ignore this action. */
return -1;
}
parker = ast_channel_get_by_name(uuid_parker);
if (!parker) {
ast_log(LOG_NOTICE, "Channel with uuid %s left before we could start parking the call. Parking canceled.\n", uuid_parker);
publish_parked_call_failure(bridge_channel->chan);
return -1;
}
if (!(parking_bridge = park_application_setup(bridge_channel->chan, parker, app_data, NULL))) {
publish_parked_call_failure(bridge_channel->chan);
return -1;
}
ast_bridge_set_transfer_variables(bridge_channel->chan, ast_channel_name(parker), 0);
/* bridge_channel must be locked so we can get a reference to the bridge it is currently on */
ao2_lock(bridge_channel);
original_bridge = bridge_channel->bridge;
if (!original_bridge) {
ao2_unlock(bridge_channel);
publish_parked_call_failure(bridge_channel->chan);
return -1;
}
ao2_ref(original_bridge, +1); /* Cleaned by RAII_VAR */
ao2_unlock(bridge_channel);
if (ast_bridge_move(parking_bridge, original_bridge, bridge_channel->chan, NULL, 1)) {
ast_log(LOG_ERROR, "Failed to move %s into the parking bridge.\n",
ast_channel_name(bridge_channel->chan));
return -1;
}
return 0;
}
static int cli_channelstats_print_body(void *obj, void *arg, int flags)
{
struct ast_sip_cli_context *context = arg;
const struct ast_channel_snapshot *snapshot = obj;
struct ast_channel *channel = ast_channel_get_by_name(snapshot->name);
struct ast_sip_channel_pvt *cpvt = channel ? ast_channel_tech_pvt(channel) : NULL;
struct ast_sip_session *session;
struct ast_sip_session_media *media;
struct ast_rtp_instance *rtp;
struct ast_rtp_instance_stats stats;
char *print_name = NULL;
char *print_time = alloca(32);
char codec_in_use[7];
ast_assert(context->output_buffer != NULL);
if (!channel) {
ast_str_append(&context->output_buffer, 0, " %s not valid\n", snapshot->name);
return -1;
}
ast_channel_lock(channel);
session = cpvt->session;
if (!session) {
ast_str_append(&context->output_buffer, 0, " %s not valid\n", snapshot->name);
ast_channel_unlock(channel);
ao2_cleanup(channel);
return -1;
}
media = session->active_media_state->default_session[AST_MEDIA_TYPE_AUDIO];
if (!media || !media->rtp) {
ast_str_append(&context->output_buffer, 0, " %s not valid\n", snapshot->name);
ast_channel_unlock(channel);
ao2_cleanup(channel);
return -1;
}
rtp = ao2_bump(media->rtp);
codec_in_use[0] = '\0';
if (ast_channel_rawreadformat(channel)) {
ast_copy_string(codec_in_use, ast_format_get_name(ast_channel_rawreadformat(channel)), sizeof(codec_in_use));
}
ast_channel_unlock(channel);
print_name = ast_strdupa(snapshot->name);
/* Skip the PJSIP/. We know what channel type it is and we need the space. */
print_name += 6;
ast_format_duration_hh_mm_ss(ast_tvnow().tv_sec - snapshot->creationtime.tv_sec, print_time, 32);
if (ast_rtp_instance_get_stats(rtp, &stats, AST_RTP_INSTANCE_STAT_ALL)) {
ast_str_append(&context->output_buffer, 0, "%s direct media\n", snapshot->name);
} else {
ast_str_append(&context->output_buffer, 0,
" %8.8s %-18.18s %-8.8s %-6.6s %6u%s %6u%s %3u %7.3f %6u%s %6u%s %3u %7.3f %7.3f\n",
snapshot->bridgeid,
print_name,
print_time,
codec_in_use,
stats.rxcount > 100000 ? stats.rxcount / 1000 : stats.rxcount,
stats.rxcount > 100000 ? "K": " ",
stats.rxploss > 100000 ? stats.rxploss / 1000 : stats.rxploss,
stats.rxploss > 100000 ? "K": " ",
stats.rxcount ? (stats.rxploss * 100) / stats.rxcount : 0,
MIN(stats.rxjitter, 999.999),
stats.txcount > 100000 ? stats.txcount / 1000 : stats.txcount,
stats.txcount > 100000 ? "K": " ",
stats.txploss > 100000 ? stats.txploss / 1000 : stats.txploss,
stats.txploss > 100000 ? "K": " ",
stats.txcount ? (stats.txploss * 100) / stats.txcount : 0,
MIN(stats.txjitter, 999.999),
MIN(stats.normdevrtt, 999.999)
);
}
ao2_cleanup(rtp);
ao2_cleanup(channel);
return 0;
}
static int common_exec(struct ast_channel *chan, struct ast_flags *flags,
int volfactor, const int fd, struct spy_dtmf_options *user_options,
const char *mygroup, const char *myenforced, const char *spec, const char *exten,
const char *context, const char *mailbox, const char *name_context)
{
char nameprefix[AST_NAME_STRLEN];
char exitcontext[AST_MAX_CONTEXT] = "";
signed char zero_volume = 0;
int waitms;
int res;
int num_spyed_upon = 1;
struct ast_channel_iterator *iter = NULL;
if (ast_test_flag(flags, OPTION_EXIT)) {
const char *c;
ast_channel_lock(chan);
if ((c = pbx_builtin_getvar_helper(chan, "SPY_EXIT_CONTEXT"))) {
ast_copy_string(exitcontext, c, sizeof(exitcontext));
} else if (!ast_strlen_zero(ast_channel_macrocontext(chan))) {
ast_copy_string(exitcontext, ast_channel_macrocontext(chan), sizeof(exitcontext));
} else {
ast_copy_string(exitcontext, ast_channel_context(chan), sizeof(exitcontext));
}
ast_channel_unlock(chan);
}
if (ast_channel_state(chan) != AST_STATE_UP)
ast_answer(chan);
ast_set_flag(ast_channel_flags(chan), AST_FLAG_SPYING); /* so nobody can spy on us while we are spying */
waitms = 100;
for (;;) {
struct ast_autochan *autochan = NULL, *next_autochan = NULL;
struct ast_channel *prev = NULL;
if (!ast_test_flag(flags, OPTION_QUIET) && num_spyed_upon) {
res = ast_streamfile(chan, "beep", ast_channel_language(chan));
if (!res)
res = ast_waitstream(chan, "");
else if (res < 0) {
ast_clear_flag(ast_channel_flags(chan), AST_FLAG_SPYING);
break;
}
if (!ast_strlen_zero(exitcontext)) {
char tmp[2];
tmp[0] = res;
tmp[1] = '\0';
if (!ast_goto_if_exists(chan, exitcontext, tmp, 1))
goto exit;
else
ast_debug(2, "Exit by single digit did not work in chanspy. Extension %s does not exist in context %s\n", tmp, exitcontext);
}
}
/* Set up the iterator we'll be using during this call */
if (!ast_strlen_zero(spec)) {
if (ast_test_flag(flags, OPTION_UNIQUEID)) {
struct ast_channel *unique_chan;
unique_chan = ast_channel_get_by_name(spec);
if (!unique_chan) {
res = -1;
goto exit;
}
iter = ast_channel_iterator_by_name_new(ast_channel_name(unique_chan), 0);
ast_channel_unref(unique_chan);
} else {
iter = ast_channel_iterator_by_name_new(spec, strlen(spec));
}
} else if (!ast_strlen_zero(exten)) {
iter = ast_channel_iterator_by_exten_new(exten, context);
} else {
iter = ast_channel_iterator_all_new();
}
if (!iter) {
res = -1;
goto exit;
}
res = ast_waitfordigit(chan, waitms);
if (res < 0) {
iter = ast_channel_iterator_destroy(iter);
ast_clear_flag(ast_channel_flags(chan), AST_FLAG_SPYING);
break;
}
if (!ast_strlen_zero(exitcontext)) {
char tmp[2];
tmp[0] = res;
tmp[1] = '\0';
if (!ast_goto_if_exists(chan, exitcontext, tmp, 1)) {
iter = ast_channel_iterator_destroy(iter);
goto exit;
} else {
ast_debug(2, "Exit by single digit did not work in chanspy. Extension %s does not exist in context %s\n", tmp, exitcontext);
}
}
/* reset for the next loop around, unless overridden later */
waitms = 100;
num_spyed_upon = 0;
for (autochan = next_channel(iter, autochan, chan);
autochan;
prev = autochan->chan, ast_autochan_destroy(autochan),
autochan = next_autochan ? next_autochan :
next_channel(iter, autochan, chan), next_autochan = NULL) {
int igrp = !mygroup;
int ienf = !myenforced;
if (autochan->chan == prev) {
ast_autochan_destroy(autochan);
break;
}
if (ast_check_hangup(chan)) {
ast_autochan_destroy(autochan);
break;
}
if (ast_test_flag(flags, OPTION_BRIDGED) && !ast_channel_is_bridged(autochan->chan)) {
continue;
}
if (ast_check_hangup(autochan->chan) || ast_test_flag(ast_channel_flags(autochan->chan), AST_FLAG_SPYING)) {
continue;
}
if (mygroup) {
int num_groups = 0;
int num_mygroups = 0;
char dup_group[512];
char dup_mygroup[512];
char *groups[NUM_SPYGROUPS];
char *mygroups[NUM_SPYGROUPS];
const char *group = NULL;
int x;
int y;
ast_copy_string(dup_mygroup, mygroup, sizeof(dup_mygroup));
num_mygroups = ast_app_separate_args(dup_mygroup, ':', mygroups,
ARRAY_LEN(mygroups));
/* Before dahdi scan was part of chanspy, it would use the "GROUP" variable
* rather than "SPYGROUP", this check is done to preserve expected behavior */
if (ast_test_flag(flags, OPTION_DAHDI_SCAN)) {
group = pbx_builtin_getvar_helper(autochan->chan, "GROUP");
} else {
group = pbx_builtin_getvar_helper(autochan->chan, "SPYGROUP");
}
if (!ast_strlen_zero(group)) {
ast_copy_string(dup_group, group, sizeof(dup_group));
num_groups = ast_app_separate_args(dup_group, ':', groups,
ARRAY_LEN(groups));
}
for (y = 0; y < num_mygroups; y++) {
for (x = 0; x < num_groups; x++) {
if (!strcmp(mygroups[y], groups[x])) {
igrp = 1;
break;
}
}
}
}
if (!igrp) {
continue;
}
if (myenforced) {
char ext[AST_CHANNEL_NAME + 3];
char buffer[512];
char *end;
snprintf(buffer, sizeof(buffer) - 1, ":%s:", myenforced);
ast_copy_string(ext + 1, ast_channel_name(autochan->chan), sizeof(ext) - 1);
if ((end = strchr(ext, '-'))) {
*end++ = ':';
*end = '\0';
}
ext[0] = ':';
if (strcasestr(buffer, ext)) {
ienf = 1;
}
}
if (!ienf) {
continue;
}
if (!ast_test_flag(flags, OPTION_QUIET)) {
char peer_name[AST_NAME_STRLEN + 5];
char *ptr, *s;
strcpy(peer_name, "spy-");
strncat(peer_name, ast_channel_name(autochan->chan), AST_NAME_STRLEN - 4 - 1);
if ((ptr = strchr(peer_name, '/'))) {
*ptr++ = '\0';
for (s = peer_name; s < ptr; s++) {
*s = tolower(*s);
}
if ((s = strchr(ptr, '-'))) {
*s = '\0';
}
}
if (ast_test_flag(flags, OPTION_NAME)) {
const char *local_context = S_OR(name_context, "default");
const char *local_mailbox = S_OR(mailbox, ptr);
if (local_mailbox) {
res = spy_sayname(chan, local_mailbox, local_context);
} else {
res = -1;
}
}
if (!ast_test_flag(flags, OPTION_NAME) || res < 0) {
int num;
if (!ast_test_flag(flags, OPTION_NOTECH)) {
if (ast_fileexists(peer_name, NULL, NULL) > 0) {
res = ast_streamfile(chan, peer_name, ast_channel_language(chan));
if (!res) {
res = ast_waitstream(chan, "");
}
if (res) {
ast_autochan_destroy(autochan);
break;
}
} else {
res = ast_say_character_str(chan, peer_name, "", ast_channel_language(chan), AST_SAY_CASE_NONE);
}
}
if (ptr && (num = atoi(ptr))) {
ast_say_digits(chan, num, "", ast_channel_language(chan));
}
}
}
res = channel_spy(chan, autochan, &volfactor, fd, user_options, flags, exitcontext);
num_spyed_upon++;
if (res == -1) {
ast_autochan_destroy(autochan);
iter = ast_channel_iterator_destroy(iter);
goto exit;
} else if (res == -2) {
res = 0;
ast_autochan_destroy(autochan);
iter = ast_channel_iterator_destroy(iter);
goto exit;
} else if (res > 1 && spec && !ast_test_flag(flags, OPTION_UNIQUEID)) {
struct ast_channel *next;
snprintf(nameprefix, AST_NAME_STRLEN, "%s/%d", spec, res);
if ((next = ast_channel_get_by_name_prefix(nameprefix, strlen(nameprefix)))) {
next_autochan = ast_autochan_setup(next);
next = ast_channel_unref(next);
} else {
/* stay on this channel, if it is still valid */
if (!ast_check_hangup(autochan->chan)) {
next_autochan = ast_autochan_setup(autochan->chan);
} else {
/* the channel is gone */
next_autochan = NULL;
}
}
} else if (res == 0 && ast_test_flag(flags, OPTION_EXITONHANGUP)) {
ast_autochan_destroy(autochan);
iter = ast_channel_iterator_destroy(iter);
goto exit;
}
}
iter = ast_channel_iterator_destroy(iter);
if (res == -1 || ast_check_hangup(chan))
break;
if (ast_test_flag(flags, OPTION_STOP) && !next_autochan) {
break;
}
}
exit:
ast_clear_flag(ast_channel_flags(chan), AST_FLAG_SPYING);
ast_channel_setoption(chan, AST_OPTION_TXGAIN, &zero_volume, sizeof(zero_volume), 0);
return res;
}
