/* Transport implementation */
int janus_websockets_init(janus_transport_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
#ifndef LWS_WITH_IPV6
JANUS_LOG(LOG_WARN, "libwebsockets has been built without IPv6 support, will bind to IPv4 only\n");
#endif
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
/* Prepare the common context */
struct lws_context_creation_info wscinfo;
memset(&wscinfo, 0, sizeof wscinfo);
wscinfo.options |= LWS_SERVER_OPTION_EXPLICIT_VHOSTS;
/* We use vhosts on the same context to address both APIs, secure or not */
struct lws_vhost *wss = NULL, *swss = NULL,
*admin_wss = NULL, *admin_swss = NULL;
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_WEBSOCKETS_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL) {
janus_config_print(config);
/* Handle configuration */
janus_config_item *item = janus_config_get_item_drilldown(config, "general", "json");
if(item && item->value) {
/* Check how we need to format/serialize the JSON output */
if(!strcasecmp(item->value, "indented")) {
/* Default: indented, we use three spaces for that */
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "plain")) {
/* Not indented and no new lines, but still readable */
json_format = JSON_INDENT(0) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "compact")) {
/* Compact, so no spaces between separators */
json_format = JSON_COMPACT | JSON_PRESERVE_ORDER;
} else {
JANUS_LOG(LOG_WARN, "Unsupported JSON format option '%s', using default (indented)\n", item->value);
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
}
}
/* Check if we need to send events to handlers */
janus_config_item *events = janus_config_get_item_drilldown(config, "general", "events");
if(events != NULL && events->value != NULL)
notify_events = janus_is_true(events->value);
if(!notify_events && callback->events_is_enabled()) {
JANUS_LOG(LOG_WARN, "Notification of events to handlers disabled for %s\n", JANUS_WEBSOCKETS_NAME);
}
item = janus_config_get_item_drilldown(config, "general", "ws_logging");
if(item && item->value) {
/* libwebsockets uses a mask to set log levels, as documented here:
* https://libwebsockets.org/lws-api-doc-master/html/group__log.html */
if(strstr(item->value, "none")) {
/* Disable libwebsockets logging completely (the default) */
} else if(strstr(item->value, "all")) {
/* Enable all libwebsockets logging */
ws_log_level = LLL_ERR | LLL_WARN | LLL_NOTICE | LLL_INFO |
LLL_DEBUG | LLL_PARSER | LLL_HEADER | LLL_EXT |
LLL_CLIENT | LLL_LATENCY | LLL_USER | LLL_COUNT;
} else {
/* Only enable some of the properties */
if(strstr(item->value, "err"))
ws_log_level |= LLL_ERR;
if(strstr(item->value, "warn"))
ws_log_level |= LLL_WARN;
if(strstr(item->value, "notice"))
ws_log_level |= LLL_NOTICE;
if(strstr(item->value, "info"))
ws_log_level |= LLL_INFO;
if(strstr(item->value, "debug"))
ws_log_level |= LLL_DEBUG;
if(strstr(item->value, "parser"))
ws_log_level |= LLL_PARSER;
if(strstr(item->value, "header"))
ws_log_level |= LLL_HEADER;
if(strstr(item->value, "ext"))
ws_log_level |= LLL_EXT;
if(strstr(item->value, "client"))
ws_log_level |= LLL_CLIENT;
if(strstr(item->value, "latency"))
ws_log_level |= LLL_LATENCY;
if(strstr(item->value, "user"))
ws_log_level |= LLL_USER;
if(strstr(item->value, "count"))
ws_log_level |= LLL_COUNT;
}
}
JANUS_LOG(LOG_INFO, "libwebsockets logging: %d\n", ws_log_level);
lws_set_log_level(ws_log_level, janus_websockets_log_emit_function);
/* Any ACL for either the Janus or Admin API? */
item = janus_config_get_item_drilldown(config, "general", "ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Janus API allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), FALSE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Admin/monitor allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), TRUE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
/* Check if we need to enable the transport level ping/pong mechanism */
int pingpong_trigger = 0, pingpong_timeout = 0;
item = janus_config_get_item_drilldown(config, "general", "pingpong_trigger");
if(item && item->value) {
#if LWS_LIBRARY_VERSION_MAJOR >= 2 && LWS_LIBRARY_VERSION_MINOR >= 1
pingpong_trigger = atoi(item->value);
if(pingpong_trigger < 0) {
JANUS_LOG(LOG_WARN, "Invalid value for pingpong_trigger (%d), ignoring...\n", pingpong_trigger);
pingpong_trigger = 0;
}
#else
JANUS_LOG(LOG_WARN, "WebSockets ping/pong only supported in libwebsockets >= 2.1\n");
#endif
}
item = janus_config_get_item_drilldown(config, "general", "pingpong_timeout");
if(item && item->value) {
#if LWS_LIBRARY_VERSION_MAJOR >= 2 && LWS_LIBRARY_VERSION_MINOR >= 1
pingpong_timeout = atoi(item->value);
if(pingpong_timeout < 0) {
JANUS_LOG(LOG_WARN, "Invalid value for pingpong_timeout (%d), ignoring...\n", pingpong_timeout);
pingpong_timeout = 0;
}
#else
JANUS_LOG(LOG_WARN, "WebSockets ping/pong only supported in libwebsockets >= 2.1\n");
#endif
}
if((pingpong_trigger && !pingpong_timeout) || (!pingpong_trigger && pingpong_timeout)) {
JANUS_LOG(LOG_WARN, "pingpong_trigger and pingpong_timeout not both set, ignoring...\n");
}
#if LWS_LIBRARY_VERSION_MAJOR >= 2 && LWS_LIBRARY_VERSION_MINOR >= 1
if(pingpong_trigger > 0 && pingpong_timeout > 0) {
wscinfo.ws_ping_pong_interval = pingpong_trigger;
wscinfo.timeout_secs = pingpong_timeout;
}
#endif
/* Force single-thread server */
wscinfo.count_threads = 1;
/* Create the base context */
wsc = lws_create_context(&wscinfo);
if(wsc == NULL) {
JANUS_LOG(LOG_ERR, "Error creating libwebsockets context...\n");
janus_config_destroy(config);
return -1; /* No point in keeping the plugin loaded */
}
/* Setup the Janus API WebSockets server(s) */
item = janus_config_get_item_drilldown(config, "general", "ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "WebSockets server disabled\n");
} else {
int wsport = 8188;
item = janus_config_get_item_drilldown(config, "general", "ws_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "general", "ws_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "general", "ws_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = ws_protocols;
info.extensions = NULL;
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.ssl_private_key_password = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
wss = lws_create_vhost(wsc, &info);
if(wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error creating vhost for WebSockets server...\n");
} else {
JANUS_LOG(LOG_INFO, "WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
item = janus_config_get_item_drilldown(config, "general", "wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure WebSockets server disabled\n");
} else {
int wsport = 8989;
item = janus_config_get_item_drilldown(config, "general", "wss_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "general", "wss_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "general", "wss_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
char *password = NULL;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_pwd");
if(item && item->value)
password = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = sws_protocols;
info.extensions = NULL;
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.ssl_private_key_password = password;
info.gid = -1;
info.uid = -1;
#if LWS_LIBRARY_VERSION_MAJOR >= 2
info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
#else
info.options = 0;
#endif
/* Create the secure WebSocket context */
swss = lws_create_vhost(wsc, &info);
if(swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error creating vhost for Secure WebSockets server...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
}
/* Do the same for the Admin API, if enabled */
item = janus_config_get_item_drilldown(config, "admin", "admin_ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Admin WebSockets server disabled\n");
} else {
int wsport = 7188;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = admin_ws_protocols;
info.extensions = NULL;
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.ssl_private_key_password = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
admin_wss = lws_create_vhost(wsc, &info);
if(admin_wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error creating vhost for Admin WebSockets server...\n");
} else {
JANUS_LOG(LOG_INFO, "Admin WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
item = janus_config_get_item_drilldown(config, "admin", "admin_wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure Admin WebSockets server disabled\n");
} else {
int wsport = 7989;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
char *password = NULL;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_pwd");
if(item && item->value)
password = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = admin_sws_protocols;
info.extensions = NULL;
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.ssl_private_key_password = password;
info.gid = -1;
info.uid = -1;
#if LWS_LIBRARY_VERSION_MAJOR >= 2
info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
#else
info.options = 0;
#endif
/* Create the secure WebSocket context */
admin_swss = lws_create_vhost(wsc, &info);
if(admin_swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error creating vhost for Secure Admin WebSockets server...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure Admin WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
}
}
janus_config_destroy(config);
config = NULL;
if(!wss && !swss && !admin_wss && !admin_swss) {
JANUS_LOG(LOG_WARN, "No WebSockets server started, giving up...\n");
lws_context_destroy(wsc);
return -1; /* No point in keeping the plugin loaded */
}
ws_janus_api_enabled = wss || swss;
ws_admin_api_enabled = admin_wss || admin_swss;
g_atomic_int_set(&initialized, 1);
GError *error = NULL;
/* Start the WebSocket service thread */
if(ws_janus_api_enabled || ws_admin_api_enabled) {
ws_thread = g_thread_try_new("ws thread", &janus_websockets_thread, wsc, &error);
if(!ws_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
/* Done */
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_WEBSOCKETS_NAME);
return 0;
}
/* Transport implementation */
int janus_websockets_init(janus_transport_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
JANUS_LOG(LOG_INFO, "libwebsockets >= 1.6 available, using new API\n");
#else
JANUS_LOG(LOG_INFO, "libwebsockets < 1.6 available, using old API\n");
#endif
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_WEBSOCKETS_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL) {
janus_config_print(config);
/* Handle configuration */
janus_config_item *item = janus_config_get_item_drilldown(config, "general", "json");
if(item && item->value) {
/* Check how we need to format/serialize the JSON output */
if(!strcasecmp(item->value, "indented")) {
/* Default: indented, we use three spaces for that */
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "plain")) {
/* Not indented and no new lines, but still readable */
json_format = JSON_INDENT(0) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "compact")) {
/* Compact, so no spaces between separators */
json_format = JSON_COMPACT | JSON_PRESERVE_ORDER;
} else {
JANUS_LOG(LOG_WARN, "Unsupported JSON format option '%s', using default (indented)\n", item->value);
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
}
}
/* Check if we need to send events to handlers */
janus_config_item *events = janus_config_get_item_drilldown(config, "general", "events");
if(events != NULL && events->value != NULL)
notify_events = janus_is_true(events->value);
if(!notify_events && callback->events_is_enabled()) {
JANUS_LOG(LOG_WARN, "Notification of events to handlers disabled for %s\n", JANUS_WEBSOCKETS_NAME);
}
item = janus_config_get_item_drilldown(config, "general", "ws_logging");
if(item && item->value) {
ws_log_level = atoi(item->value);
if(ws_log_level < 0)
ws_log_level = 0;
}
JANUS_LOG(LOG_VERB, "libwebsockets logging: %d\n", ws_log_level);
lws_set_log_level(ws_log_level, NULL);
old_wss = NULL;
janus_mutex_init(&old_wss_mutex);
/* Any ACL for either the Janus or Admin API? */
item = janus_config_get_item_drilldown(config, "general", "ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Janus API allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), FALSE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Admin/monitor allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), TRUE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
/* Setup the Janus API WebSockets server(s) */
item = janus_config_get_item_drilldown(config, "general", "ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "WebSockets server disabled\n");
} else {
int wsport = 8188;
item = janus_config_get_item_drilldown(config, "general", "ws_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "general", "ws_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "general", "ws_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = wss_protocols;
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
info.extensions = NULL;
#else
info.extensions = libwebsocket_get_internal_extensions();
#endif
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
wss = lws_create_context(&info);
#else
wss = libwebsocket_create_context(&info);
#endif
if(wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsockets...\n");
} else {
JANUS_LOG(LOG_INFO, "WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
item = janus_config_get_item_drilldown(config, "general", "wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure WebSockets server disabled\n");
} else {
int wsport = 8989;
item = janus_config_get_item_drilldown(config, "general", "wss_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "general", "wss_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "general", "wss_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = swss_protocols;
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
info.extensions = NULL;
#else
info.extensions = libwebsocket_get_internal_extensions();
#endif
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.gid = -1;
info.uid = -1;
#if LWS_LIBRARY_VERSION_MAJOR >= 2
info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
#else
info.options = 0;
#endif
/* Create the secure WebSocket context */
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
swss = lws_create_context(&info);
#else
swss = libwebsocket_create_context(&info);
#endif
if(swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsockets...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
}
/* Do the same for the Admin API, if enabled */
item = janus_config_get_item_drilldown(config, "admin", "admin_ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Admin WebSockets server disabled\n");
} else {
int wsport = 7188;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = admin_wss_protocols;
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
info.extensions = NULL;
#else
info.extensions = libwebsocket_get_internal_extensions();
#endif
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
admin_wss = lws_create_context(&info);
#else
admin_wss = libwebsocket_create_context(&info);
#endif
if(admin_wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsockets...\n");
} else {
JANUS_LOG(LOG_INFO, "Admin WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
item = janus_config_get_item_drilldown(config, "admin", "admin_wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure Admin WebSockets server disabled\n");
} else {
int wsport = 7989;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = admin_swss_protocols;
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
info.extensions = NULL;
#else
info.extensions = libwebsocket_get_internal_extensions();
#endif
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.gid = -1;
info.uid = -1;
#if LWS_LIBRARY_VERSION_MAJOR >= 2
info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
#else
info.options = 0;
#endif
/* Create the secure WebSocket context */
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
admin_swss = lws_create_context(&info);
#else
admin_swss = libwebsocket_create_context(&info);
#endif
if(admin_swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsockets...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure Admin WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
}
}
janus_config_destroy(config);
config = NULL;
if(!wss && !swss && !admin_wss && !admin_swss) {
JANUS_LOG(LOG_FATAL, "No WebSockets server started, giving up...\n");
return -1; /* No point in keeping the plugin loaded */
}
wss_janus_api_enabled = wss || swss;
wss_admin_api_enabled = admin_wss || admin_swss;
GError *error = NULL;
/* Start the WebSocket service threads */
if(wss != NULL) {
wss_thread = g_thread_try_new("ws thread", &janus_websockets_thread, wss, &error);
if(!wss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(swss != NULL) {
swss_thread = g_thread_try_new("sws thread", &janus_websockets_thread, swss, &error);
if(!swss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Secure WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(admin_wss != NULL) {
admin_wss_thread = g_thread_try_new("admin ws thread", &janus_websockets_thread, admin_wss, &error);
if(!admin_wss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Admin WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(admin_swss != NULL) {
admin_swss_thread = g_thread_try_new("admin sws thread", &janus_websockets_thread, admin_swss, &error);
if(!admin_swss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Secure Admin WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
/* Done */
g_atomic_int_set(&initialized, 1);
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_WEBSOCKETS_NAME);
return 0;
}
/* Transport implementation */
int janus_websockets_init(janus_transport_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_WEBSOCKETS_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL) {
janus_config_print(config);
/* Handle configuration */
janus_config_item *item = janus_config_get_item_drilldown(config, "general", "ws_logging");
if(item && item->value) {
ws_log_level = atoi(item->value);
if(ws_log_level < 0)
ws_log_level = 0;
}
JANUS_LOG(LOG_VERB, "libwebsockets logging: %d\n", ws_log_level);
lws_set_log_level(ws_log_level, NULL);
old_wss = NULL;
janus_mutex_init(&old_wss_mutex);
/* Any ACL for either the Janus or Admin API? */
item = janus_config_get_item_drilldown(config, "general", "ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Janus API allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), FALSE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Admin/monitor allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), TRUE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
/* Setup the Janus API WebSockets server(s) */
item = janus_config_get_item_drilldown(config, "general", "ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "WebSockets server disabled\n");
} else {
int wsport = 8188;
item = janus_config_get_item_drilldown(config, "general", "ws_port");
if(item && item->value)
wsport = atoi(item->value);
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = NULL;
info.protocols = wss_protocols;
info.extensions = libwebsocket_get_internal_extensions();
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
wss = libwebsocket_create_context(&info);
if(wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsock...\n");
} else {
JANUS_LOG(LOG_INFO, "WebSockets server started (port %d)...\n", wsport);
}
}
item = janus_config_get_item_drilldown(config, "general", "wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure WebSockets server disabled\n");
} else {
int wsport = 8989;
item = janus_config_get_item_drilldown(config, "general", "wss_port");
if(item && item->value)
wsport = atoi(item->value);
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = NULL;
info.protocols = swss_protocols;
info.extensions = libwebsocket_get_internal_extensions();
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the secure WebSocket context */
swss = libwebsocket_create_context(&info);
if(swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsock...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure WebSockets server started (port %d)...\n", wsport);
}
}
}
/* Do the same for the Admin API, if enabled */
item = janus_config_get_item_drilldown(config, "admin", "admin_ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Admin WebSockets server disabled\n");
} else {
int wsport = 7188;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_port");
if(item && item->value)
wsport = atoi(item->value);
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = NULL;
info.protocols = admin_wss_protocols;
info.extensions = libwebsocket_get_internal_extensions();
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
admin_wss = libwebsocket_create_context(&info);
if(admin_wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsock...\n");
} else {
JANUS_LOG(LOG_INFO, "Admin WebSockets server started (port %d)...\n", wsport);
}
}
item = janus_config_get_item_drilldown(config, "admin", "admin_wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure Admin WebSockets server disabled\n");
} else {
int wsport = 7989;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_port");
if(item && item->value)
wsport = atoi(item->value);
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = NULL;
info.protocols = admin_swss_protocols;
info.extensions = libwebsocket_get_internal_extensions();
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the secure WebSocket context */
admin_swss = libwebsocket_create_context(&info);
if(admin_swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsock...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure Admin WebSockets server started (port %d)...\n", wsport);
}
}
}
}
janus_config_destroy(config);
config = NULL;
if(!wss && !swss && !admin_wss && !admin_swss) {
JANUS_LOG(LOG_FATAL, "No WebSockets server started, giving up...\n");
return -1; /* No point in keeping the plugin loaded */
}
wss_janus_api_enabled = wss || swss;
wss_admin_api_enabled = admin_wss || admin_swss;
GError *error = NULL;
/* Start the WebSocket service threads */
if(wss != NULL) {
wss_thread = g_thread_try_new("websockets thread", &janus_websockets_thread, wss, &error);
if(!wss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(swss != NULL) {
swss_thread = g_thread_try_new("secure websockets thread", &janus_websockets_thread, swss, &error);
if(!swss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Secure WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(admin_wss != NULL) {
admin_wss_thread = g_thread_try_new("admin websockets thread", &janus_websockets_thread, admin_wss, &error);
if(!admin_wss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Admin WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(admin_swss != NULL) {
admin_swss_thread = g_thread_try_new("secure admin websockets thread", &janus_websockets_thread, admin_swss, &error);
if(!admin_swss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Secure Admin WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
/* Done */
g_atomic_int_set(&initialized, 1);
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_WEBSOCKETS_NAME);
return 0;
}