static struct ast_event *alloc_event(const struct ast_security_event_common *sec)
{
struct ast_str *str = ast_str_alloca(TIMESTAMP_STR_LEN);
struct timeval tv = ast_tvnow();
const char *severity_str;
if (check_event_type(sec->event_type)) {
return NULL;
}
encode_timestamp(&str, &tv);
severity_str = S_OR(
ast_security_event_severity_get_name(sec_events[sec->event_type].severity),
"Unknown"
);
return ast_event_new(AST_EVENT_SECURITY,
AST_EVENT_IE_SECURITY_EVENT, AST_EVENT_IE_PLTYPE_UINT, sec->event_type,
AST_EVENT_IE_EVENT_VERSION, AST_EVENT_IE_PLTYPE_UINT, sec->version,
AST_EVENT_IE_EVENT_TV, AST_EVENT_IE_PLTYPE_STR, ast_str_buffer(str),
AST_EVENT_IE_SERVICE, AST_EVENT_IE_PLTYPE_STR, sec->service,
AST_EVENT_IE_SEVERITY, AST_EVENT_IE_PLTYPE_STR, severity_str,
AST_EVENT_IE_END);
}
/*! \brief Informs the cluster of our EID and our IP addresses */
static void send_cluster_notify(void)
{
struct ast_event *event;
unsigned int node_id;
cs_error_t cs_err;
corosync_cfg_node_address_t corosync_addr;
int num_addrs = 0;
struct sockaddr *sa;
size_t sa_len;
char buf[128];
int res;
if ((cs_err = corosync_cfg_local_get(cfg_handle, &node_id)) != CS_OK) {
ast_log(LOG_WARNING, "Failed to extract Corosync node ID for this node. Not informing cluster of existance.\n");
return;
}
if (((cs_err = corosync_cfg_get_node_addrs(cfg_handle, node_id, 1, &num_addrs, &corosync_addr)) != CS_OK) || (num_addrs < 1)) {
ast_log(LOG_WARNING, "Failed to get local Corosync address. Not informing cluster of existance.\n");
return;
}
sa = (struct sockaddr *)corosync_addr.address;
sa_len = (size_t)corosync_addr.address_length;
if ((res = getnameinfo(sa, sa_len, buf, sizeof(buf), NULL, 0, NI_NUMERICHOST))) {
ast_log(LOG_WARNING, "Failed to determine name of local Corosync address: %s (%d). Not informing cluster of existance.\n",
gai_strerror(res), res);
return;
}
event = ast_event_new(AST_EVENT_CLUSTER_DISCOVERY,
AST_EVENT_IE_NODE_ID, AST_EVENT_IE_PLTYPE_UINT, node_id,
AST_EVENT_IE_LOCAL_ADDR, AST_EVENT_IE_PLTYPE_STR, buf,
AST_EVENT_IE_END);
publish_event_to_corosync(event);
ast_free(event);
}
/*! \brief Convert a Corosync PING to a \ref ast_event */
static struct ast_event *corosync_ping_to_event(struct stasis_message *message)
{
struct corosync_ping_payload *payload;
struct ast_event *event;
struct ast_eid *event_eid;
if (!message) {
return NULL;
}
payload = stasis_message_data(message);
if (!payload->event) {
return NULL;
}
event_eid = (struct ast_eid *)ast_event_get_ie_raw(payload->event, AST_EVENT_IE_EID);
event = ast_event_new(AST_EVENT_PING,
AST_EVENT_IE_EID, AST_EVENT_IE_PLTYPE_RAW, event_eid, sizeof(*event_eid),
AST_EVENT_IE_END);
return event;
}
int ast_cel_report_event(struct ast_channel *chan, enum ast_cel_event_type event_type,
const char *userdefevname, const char *extra, struct ast_channel *peer2)
{
struct timeval eventtime;
struct ast_event *ev;
const char *peername = "";
struct ast_channel *peer;
ast_channel_lock(chan);
peer = ast_bridged_channel(chan);
if (peer) {
ast_channel_ref(peer);
}
ast_channel_unlock(chan);
/* Make sure a reload is not occurring while we're checking to see if this
* is an event that we care about. We could lose an important event in this
* process otherwise. */
ast_mutex_lock(&reload_lock);
if (!cel_enabled || !ast_cel_track_event(event_type)) {
ast_mutex_unlock(&reload_lock);
if (peer) {
ast_channel_unref(peer);
}
return 0;
}
if (event_type == AST_CEL_APP_START || event_type == AST_CEL_APP_END) {
char *app;
if (!(app = ao2_find(appset, (char *) chan->appl, OBJ_POINTER))) {
ast_mutex_unlock(&reload_lock);
if (peer) {
ast_channel_unref(peer);
}
return 0;
}
ao2_ref(app, -1);
}
ast_mutex_unlock(&reload_lock);
if (peer) {
ast_channel_lock(peer);
peername = ast_strdupa(peer->name);
ast_channel_unlock(peer);
} else if (peer2) {
ast_channel_lock(peer2);
peername = ast_strdupa(peer2->name);
ast_channel_unlock(peer2);
}
if (!userdefevname) {
userdefevname = "";
}
if (!extra) {
extra = "";
}
eventtime = ast_tvnow();
ast_channel_lock(chan);
ev = ast_event_new(AST_EVENT_CEL,
AST_EVENT_IE_CEL_EVENT_TYPE, AST_EVENT_IE_PLTYPE_UINT, event_type,
AST_EVENT_IE_CEL_EVENT_TIME, AST_EVENT_IE_PLTYPE_UINT, eventtime.tv_sec,
AST_EVENT_IE_CEL_EVENT_TIME_USEC, AST_EVENT_IE_PLTYPE_UINT, eventtime.tv_usec,
AST_EVENT_IE_CEL_USEREVENT_NAME, AST_EVENT_IE_PLTYPE_STR, userdefevname,
AST_EVENT_IE_CEL_CIDNAME, AST_EVENT_IE_PLTYPE_STR,
S_COR(chan->caller.id.name.valid, chan->caller.id.name.str, ""),
AST_EVENT_IE_CEL_CIDNUM, AST_EVENT_IE_PLTYPE_STR,
S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, ""),
AST_EVENT_IE_CEL_CIDANI, AST_EVENT_IE_PLTYPE_STR,
S_COR(chan->caller.ani.number.valid, chan->caller.ani.number.str, ""),
AST_EVENT_IE_CEL_CIDRDNIS, AST_EVENT_IE_PLTYPE_STR,
S_COR(chan->redirecting.from.number.valid, chan->redirecting.from.number.str, ""),
AST_EVENT_IE_CEL_CIDDNID, AST_EVENT_IE_PLTYPE_STR,
S_OR(chan->dialed.number.str, ""),
AST_EVENT_IE_CEL_EXTEN, AST_EVENT_IE_PLTYPE_STR, chan->exten,
AST_EVENT_IE_CEL_CONTEXT, AST_EVENT_IE_PLTYPE_STR, chan->context,
AST_EVENT_IE_CEL_CHANNAME, AST_EVENT_IE_PLTYPE_STR, chan->name,
AST_EVENT_IE_CEL_APPNAME, AST_EVENT_IE_PLTYPE_STR, S_OR(chan->appl, ""),
AST_EVENT_IE_CEL_APPDATA, AST_EVENT_IE_PLTYPE_STR, S_OR(chan->data, ""),
AST_EVENT_IE_CEL_AMAFLAGS, AST_EVENT_IE_PLTYPE_UINT, chan->amaflags,
AST_EVENT_IE_CEL_ACCTCODE, AST_EVENT_IE_PLTYPE_STR, chan->accountcode,
AST_EVENT_IE_CEL_PEERACCT, AST_EVENT_IE_PLTYPE_STR, chan->peeraccount,
AST_EVENT_IE_CEL_UNIQUEID, AST_EVENT_IE_PLTYPE_STR, chan->uniqueid,
AST_EVENT_IE_CEL_LINKEDID, AST_EVENT_IE_PLTYPE_STR, chan->linkedid,
AST_EVENT_IE_CEL_USERFIELD, AST_EVENT_IE_PLTYPE_STR, chan->userfield,
AST_EVENT_IE_CEL_EXTRA, AST_EVENT_IE_PLTYPE_STR, extra,
AST_EVENT_IE_CEL_PEER, AST_EVENT_IE_PLTYPE_STR, peername,
AST_EVENT_IE_END);
ast_channel_unlock(chan);
if (peer) {
peer = ast_channel_unref(peer);
}
if (ev && ast_event_queue(ev)) {
ast_event_destroy(ev);
return -1;
}
return 0;
}
int ast_cel_report_event(struct ast_channel *chan, enum ast_cel_event_type event_type,
const char *userdefevname, const char *extra, struct ast_channel *peer2)
{
struct timeval eventtime;
struct ast_event *ev;
const char *peername = "";
struct ast_channel *peer;
char *linkedid = ast_strdupa(ast_channel_linkedid(chan));
/* Make sure a reload is not occurring while we're checking to see if this
* is an event that we care about. We could lose an important event in this
* process otherwise. */
ast_mutex_lock(&reload_lock);
/* Record the linkedid of new channels if we are tracking LINKEDID_END even if we aren't
* reporting on CHANNEL_START so we can track when to send LINKEDID_END */
if (cel_enabled && ast_cel_track_event(AST_CEL_LINKEDID_END) && event_type == AST_CEL_CHANNEL_START && linkedid) {
if (ast_cel_linkedid_ref(linkedid)) {
ast_mutex_unlock(&reload_lock);
return -1;
}
}
if (!cel_enabled || !ast_cel_track_event(event_type)) {
ast_mutex_unlock(&reload_lock);
return 0;
}
if (event_type == AST_CEL_APP_START || event_type == AST_CEL_APP_END) {
char *app;
if (!(app = ao2_find(appset, (char *) ast_channel_appl(chan), OBJ_POINTER))) {
ast_mutex_unlock(&reload_lock);
return 0;
}
ao2_ref(app, -1);
}
ast_mutex_unlock(&reload_lock);
ast_channel_lock(chan);
peer = ast_bridged_channel(chan);
if (peer) {
ast_channel_ref(peer);
}
ast_channel_unlock(chan);
if (peer) {
ast_channel_lock(peer);
peername = ast_strdupa(ast_channel_name(peer));
ast_channel_unlock(peer);
} else if (peer2) {
ast_channel_lock(peer2);
peername = ast_strdupa(ast_channel_name(peer2));
ast_channel_unlock(peer2);
}
if (!userdefevname) {
userdefevname = "";
}
if (!extra) {
extra = "";
}
eventtime = ast_tvnow();
ast_channel_lock(chan);
ev = ast_event_new(AST_EVENT_CEL,
AST_EVENT_IE_CEL_EVENT_TYPE, AST_EVENT_IE_PLTYPE_UINT, event_type,
AST_EVENT_IE_CEL_EVENT_TIME, AST_EVENT_IE_PLTYPE_UINT, eventtime.tv_sec,
AST_EVENT_IE_CEL_EVENT_TIME_USEC, AST_EVENT_IE_PLTYPE_UINT, eventtime.tv_usec,
AST_EVENT_IE_CEL_USEREVENT_NAME, AST_EVENT_IE_PLTYPE_STR, userdefevname,
AST_EVENT_IE_CEL_CIDNAME, AST_EVENT_IE_PLTYPE_STR,
S_COR(ast_channel_caller(chan)->id.name.valid, ast_channel_caller(chan)->id.name.str, ""),
AST_EVENT_IE_CEL_CIDNUM, AST_EVENT_IE_PLTYPE_STR,
S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, ""),
AST_EVENT_IE_CEL_CIDANI, AST_EVENT_IE_PLTYPE_STR,
S_COR(ast_channel_caller(chan)->ani.number.valid, ast_channel_caller(chan)->ani.number.str, ""),
AST_EVENT_IE_CEL_CIDRDNIS, AST_EVENT_IE_PLTYPE_STR,
S_COR(ast_channel_redirecting(chan)->from.number.valid, ast_channel_redirecting(chan)->from.number.str, ""),
AST_EVENT_IE_CEL_CIDDNID, AST_EVENT_IE_PLTYPE_STR,
S_OR(ast_channel_dialed(chan)->number.str, ""),
AST_EVENT_IE_CEL_EXTEN, AST_EVENT_IE_PLTYPE_STR, ast_channel_exten(chan),
AST_EVENT_IE_CEL_CONTEXT, AST_EVENT_IE_PLTYPE_STR, ast_channel_context(chan),
AST_EVENT_IE_CEL_CHANNAME, AST_EVENT_IE_PLTYPE_STR, ast_channel_name(chan),
AST_EVENT_IE_CEL_APPNAME, AST_EVENT_IE_PLTYPE_STR, S_OR(ast_channel_appl(chan), ""),
AST_EVENT_IE_CEL_APPDATA, AST_EVENT_IE_PLTYPE_STR, S_OR(ast_channel_data(chan), ""),
AST_EVENT_IE_CEL_AMAFLAGS, AST_EVENT_IE_PLTYPE_UINT, ast_channel_amaflags(chan),
AST_EVENT_IE_CEL_ACCTCODE, AST_EVENT_IE_PLTYPE_STR, ast_channel_accountcode(chan),
AST_EVENT_IE_CEL_PEERACCT, AST_EVENT_IE_PLTYPE_STR, ast_channel_peeraccount(chan),
AST_EVENT_IE_CEL_UNIQUEID, AST_EVENT_IE_PLTYPE_STR, ast_channel_uniqueid(chan),
AST_EVENT_IE_CEL_LINKEDID, AST_EVENT_IE_PLTYPE_STR, ast_channel_linkedid(chan),
AST_EVENT_IE_CEL_USERFIELD, AST_EVENT_IE_PLTYPE_STR, ast_channel_userfield(chan),
AST_EVENT_IE_CEL_EXTRA, AST_EVENT_IE_PLTYPE_STR, extra,
AST_EVENT_IE_CEL_PEER, AST_EVENT_IE_PLTYPE_STR, peername,
AST_EVENT_IE_END);
ast_channel_unlock(chan);
if (peer) {
peer = ast_channel_unref(peer);
}
if (ev && ast_event_queue(ev)) {
ast_event_destroy(ev);
return -1;
}
return 0;
}
/* \brief called by scheduler to send STUN request */
static int stun_monitor_request(const void *blarg)
{
int res;
struct sockaddr_in answer;
static const struct sockaddr_in no_addr = { 0, };
ast_mutex_lock(&args.lock);
if (!args.monitor_enabled) {
goto monitor_request_cleanup;
}
if (args.stun_sock < 0) {
struct ast_sockaddr stun_addr;
/* STUN socket not open. Refresh the server DNS address resolution. */
if (!args.server_hostname) {
/* No STUN hostname? */
goto monitor_request_cleanup;
}
/* Lookup STUN address. */
memset(&stun_addr, 0, sizeof(stun_addr));
stun_addr.ss.ss_family = AF_INET;
if (ast_get_ip(&stun_addr, args.server_hostname)) {
/* Lookup failed. */
ast_log(LOG_WARNING, "Unable to lookup STUN server '%s'\n",
args.server_hostname);
goto monitor_request_cleanup;
}
ast_sockaddr_set_port(&stun_addr, args.stun_port);
/* open socket binding */
args.stun_sock = socket(AF_INET, SOCK_DGRAM, 0);
if (args.stun_sock < 0) {
ast_log(LOG_WARNING, "Unable to create STUN socket: %s\n", strerror(errno));
goto monitor_request_cleanup;
}
if (ast_connect(args.stun_sock, &stun_addr)) {
ast_log(LOG_WARNING, "STUN Failed to connect to %s: %s\n",
ast_sockaddr_stringify(&stun_addr), strerror(errno));
stun_close_sock();
goto monitor_request_cleanup;
}
}
res = ast_stun_request(args.stun_sock, NULL, NULL, &answer);
if (res) {
/*
* STUN request timed out or errored.
*
* Refresh the server DNS address resolution next time around.
*/
if (!args.stun_poll_failed_gripe) {
args.stun_poll_failed_gripe = 1;
ast_log(LOG_WARNING, "STUN poll %s. Re-evaluating STUN server address.\n",
res < 0 ? "failed" : "got no response");
}
stun_close_sock();
} else {
args.stun_poll_failed_gripe = 0;
if (memcmp(&no_addr, &answer, sizeof(no_addr))
&& memcmp(&args.external_addr, &answer, sizeof(args.external_addr))) {
const char *newaddr = ast_strdupa(ast_inet_ntoa(answer.sin_addr));
int newport = ntohs(answer.sin_port);
ast_log(LOG_NOTICE, "Old external address/port %s:%d now seen as %s:%d.\n",
ast_inet_ntoa(args.external_addr.sin_addr),
ntohs(args.external_addr.sin_port), newaddr, newport);
args.external_addr = answer;
if (args.external_addr_known) {
struct ast_event *event;
/*
* The external address was already known, and has changed...
* generate event.
*/
event = ast_event_new(AST_EVENT_NETWORK_CHANGE, AST_EVENT_IE_END);
if (!event) {
ast_log(LOG_ERROR, "Could not create AST_EVENT_NETWORK_CHANGE event.\n");
} else if (ast_event_queue(event)) {
ast_event_destroy(event);
ast_log(LOG_ERROR, "Could not queue AST_EVENT_NETWORK_CHANGE event.\n");
}
} else {
/* this was the first external address we found, do not alert listeners
* until this address changes to something else. */
args.external_addr_known = 1;
}
}
}
monitor_request_cleanup:
/* always refresh this scheduler item. It will be removed elsewhere when
* it is supposed to go away */
res = args.refresh * 1000;
ast_mutex_unlock(&args.lock);
return res;
}
