--- /dev/null
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2009, Anthony Minessale II <anthm@freeswitch.org>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthm@freeswitch.org>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Csaba Zelei <csaba.zelei@eworldcom.net>
+ *
+ * Thanks for eWorld Com Ltd. for funding the module.
+ *
+ * mod_spy.c -- UserSpy Module
+ *
+ */
+
+#include <switch.h>
+
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_spy_shutdown);
+SWITCH_MODULE_LOAD_FUNCTION(mod_spy_load);
+
+SWITCH_MODULE_DEFINITION(mod_spy, mod_spy_load, mod_spy_shutdown, NULL);
+
+struct mod_spy_globals {
+ switch_memory_pool_t* pool;
+ switch_event_node_t* node;
+ switch_hash_t* spy_hash;
+ switch_thread_rwlock_t* spy_hash_lock;
+ uint32_t spy_count;
+} globals;
+
+static switch_status_t spy_on_hangup(switch_core_session_t *session)
+{
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+
+ char* data = switch_channel_get_private(channel,"_userspy_");
+ switch_thread_rwlock_wrlock(globals.spy_hash_lock);
+
+ if ((switch_core_hash_delete(globals.spy_hash,data) != SWITCH_STATUS_SUCCESS)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,"No such key in userspy: %s \n",data);
+
+ } else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,"Userspy deactivated on %s\n",data);
+ globals.spy_count--;
+ }
+
+ switch_thread_rwlock_unlock(globals.spy_hash_lock);
+ return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t spy_on_exchange_media(switch_core_session_t *session)
+{
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+ const char* spy_uuid = switch_channel_get_variable(channel,"spy_uuid");
+
+ if (spy_uuid) {
+ if (switch_ivr_eavesdrop_session(session,spy_uuid,NULL,ED_DTMF) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,"Can't eavesdrop on uuid %s\n",spy_uuid);
+ }
+ }
+
+ switch_channel_set_state(channel,CS_PARK);
+ return SWITCH_STATUS_FALSE;
+}
+
+static switch_status_t spy_on_park(switch_core_session_t *session)
+{
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+ const char *moh = switch_channel_get_variable(channel, "hold_music");
+
+ while(switch_channel_ready(channel) && switch_channel_get_state(channel) == CS_PARK) {
+ if (moh) {
+ switch_status_t status = switch_ivr_play_file(session, NULL, moh, NULL);
+ if (!SWITCH_READ_ACCEPTABLE(status)) {
+ break;
+ }
+ }
+ }
+ return SWITCH_STATUS_FALSE;
+}
+
+
+static const switch_state_handler_table_t spy_state_handlers = {
+ /*.on_init */ NULL,
+ /*.on_routing */ NULL,
+ /*.on_execute */ NULL,
+ /*.on_hangup */ spy_on_hangup,
+ /*.on_exchange_media */ spy_on_exchange_media,
+ /*.on_soft_execute */ NULL,
+ /*.on_consume_media */ NULL,
+ /* on_hibernate */ NULL,
+ /* on reset */ NULL,
+ /* on_park */ spy_on_park,
+};
+
+SWITCH_STANDARD_API(dump_hash)
+{
+ switch_hash_index_t *hi;
+ const void* key;
+ void* val;
+
+ switch_thread_rwlock_rdlock(globals.spy_hash_lock);
+
+ for (hi = switch_hash_first(NULL,globals.spy_hash);hi; hi = switch_hash_next(hi)){
+ switch_hash_this(hi,&key,NULL,&val);
+ stream->write_function(stream,"%s : %s\n",(char*)key,(const char*)val);
+ }
+
+ stream->write_function(stream,"\n%d total spy\n",globals.spy_count);
+ switch_thread_rwlock_unlock(globals.spy_hash_lock);
+ return SWITCH_STATUS_SUCCESS;
+}
+
+static void event_handler(switch_event_t* event)
+{
+ switch_core_session_t *session;
+ switch_channel_t *channel;
+ char *username[2] = {0};
+ char* domain[2] = {0};
+ char key[512];
+ char* uuid = NULL, *my_uuid = NULL;
+ int i;
+
+ switch_thread_rwlock_rdlock(globals.spy_hash_lock);
+
+ if (!globals.spy_count) {
+ goto done;
+ }
+
+ username[0] = switch_event_get_header(event,"Caller-Username");
+ domain[0] = switch_event_get_header(event,"variable_domain_name");
+ domain[1] = switch_event_get_header(event,"variable_dialed_domain");
+ username[1] = switch_event_get_header(event,"variable_dialed_user");
+
+ for (i = 0; i < 2; i++) {
+ if (username[i] && domain[i]) {
+ switch_snprintf(key,sizeof(key),"%s@%s",username[i],domain[i]);
+
+ if ((uuid = switch_core_hash_find(globals.spy_hash,key))) {
+ break;
+ }
+ }
+ }
+
+ done:
+ switch_thread_rwlock_unlock(globals.spy_hash_lock);
+
+ if (!uuid) {
+ return;
+ }
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,"UserSpy retrieved uuid %s for key %s, activating eavesdrop \n",uuid,key);
+ my_uuid = switch_event_get_header(event,"Unique-ID");
+
+ session = switch_core_session_locate(uuid);
+ channel = switch_core_session_get_channel(session);
+
+ switch_channel_set_variable(channel,"spy_uuid",my_uuid);
+
+ switch_channel_set_state(channel,CS_EXCHANGE_MEDIA);
+ switch_channel_set_flag(channel,CF_BREAK);
+
+ switch_core_session_rwunlock(session);
+
+}
+
+#define USERSPY_SYNTAX "<user@domain> [uuid]"
+SWITCH_STANDARD_APP(userspy_function)
+{
+ int argc = 0;
+ char* argv[2] = {0};
+ char* params = NULL;
+
+ if (!switch_strlen_zero(data) && (params = switch_core_session_strdup(session,data))) {
+ if ((argc = switch_separate_string(params, ' ', argv, (sizeof(argv) / sizeof(argv[0])))) >= 1) {
+
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+ char* uuid = switch_core_session_get_uuid(session);
+ switch_status_t status;
+
+ switch_thread_rwlock_wrlock(globals.spy_hash_lock);
+ if (switch_core_hash_find(globals.spy_hash,argv[0])) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,"Spy already exists for %s\n",argv[0]);
+ switch_channel_hangup(channel,SWITCH_CAUSE_NORMAL_CLEARING);
+ switch_thread_rwlock_unlock(globals.spy_hash_lock);
+ return;
+ }
+
+ status = switch_core_hash_insert(globals.spy_hash,argv[0],(void*) uuid);
+
+ if ((status != SWITCH_STATUS_SUCCESS)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,"Cant insert to spy hash\n");
+ switch_channel_hangup(channel,SWITCH_CAUSE_SERVICE_NOT_IMPLEMENTED);
+ switch_thread_rwlock_unlock(globals.spy_hash_lock);
+ return;
+ }
+
+ globals.spy_count++;
+ switch_thread_rwlock_unlock(globals.spy_hash_lock);
+
+ switch_channel_set_private(channel,"_userspy_",(void*) argv[0]);
+ switch_channel_add_state_handler(channel,&spy_state_handlers);
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE,"UserSpy activated on %s \n",argv[0]);
+
+ if (argv[1]) {
+ switch_channel_set_variable(channel,"spy_uuid",argv[1]);
+ switch_channel_set_state(channel,CS_EXCHANGE_MEDIA);
+ return;
+ }
+
+ switch_channel_set_state(channel,CS_PARK);
+ return;
+ }
+ return;
+ }
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Usage: %s\n", USERSPY_SYNTAX);
+}
+
+SWITCH_MODULE_LOAD_FUNCTION(mod_spy_load)
+{
+ switch_application_interface_t *app_interface;
+ switch_api_interface_t *api_interface;
+
+ /* connect my internal structure to the blank pointer passed to me */
+ *module_interface = switch_loadable_module_create_module_interface(pool, modname);
+
+ globals.pool = pool;
+
+ switch_core_hash_init(&globals.spy_hash,pool);
+ switch_thread_rwlock_create(&globals.spy_hash_lock,pool);
+ globals.spy_count = 0;
+
+ switch_event_bind_removable(modname, SWITCH_EVENT_CHANNEL_BRIDGE, NULL, event_handler, NULL, &globals.node);
+
+ SWITCH_ADD_APP(app_interface,"userspy","Spy on a user constantly","Spy on a user constantly",userspy_function,USERSPY_SYNTAX,SAF_NONE);
+ SWITCH_ADD_API(api_interface,"userspy_show","Show current spies",dump_hash,"userspy_show");
+
+ /* indicate that the module should continue to be loaded */
+ return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_spy_shutdown)
+{
+ int sanity = 0;
+
+ while (globals.spy_count) {
+ switch_cond_next();
+ if (++sanity >= 60000) {
+ break;
+ }
+ }
+
+ switch_event_unbind(&globals.node);
+ switch_core_hash_destroy(&globals.spy_hash);
+ switch_thread_rwlock_destroy(globals.spy_hash_lock);
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
projects / thirdparty / freeswitch.git / commitdiff
