--- /dev/null
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2011, 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):
+ *
+ * Mathieu Rene <mrene@avgs.ca>
+ *
+ * mod_blacklist.c -- Blacklist module
+ *
+ */
+#include <switch.h>
+
+/* Prototypes */
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_blacklist_shutdown);
+SWITCH_MODULE_RUNTIME_FUNCTION(mod_blacklist_runtime);
+SWITCH_MODULE_LOAD_FUNCTION(mod_blacklist_load);
+
+
+SWITCH_MODULE_DEFINITION(mod_blacklist, mod_blacklist_load, mod_blacklist_shutdown, NULL);
+
+typedef struct {
+ switch_hash_t *list;
+ switch_mutex_t *list_mutex;
+ switch_memory_pool_t *pool;
+} blacklist_t;
+
+static struct {
+ switch_hash_t *lists;
+ switch_mutex_t *lists_mutex;
+ switch_memory_pool_t *pool;
+} globals;
+
+blacklist_t *blacklist_create(const char *name)
+{
+ switch_memory_pool_t *pool = NULL;
+ blacklist_t *bl = NULL;
+
+ switch_core_new_memory_pool(&pool);
+ bl = switch_core_alloc(pool, sizeof(*bl));
+ switch_assert(bl);
+ bl->pool = pool;
+
+ switch_core_hash_init(&bl->list, pool);
+ switch_mutex_init(&bl->list_mutex, SWITCH_MUTEX_NESTED, pool);
+
+ return bl;
+}
+
+void blacklist_free(blacklist_t *bl)
+{
+ switch_core_destroy_memory_pool(&bl->pool);
+}
+
+
+void trim(char *string)
+{
+ char *p;
+ if ((p = strchr(string, '\n'))) {
+ *p = '\0';
+ }
+ if ((p = strchr(string, '\r'))) {
+ *p = '\0';
+ }
+}
+
+static switch_status_t load_list(const char *name, const char *filename)
+{
+ FILE *f;
+ blacklist_t *bl = blacklist_create(name);
+ /* Create a hashtable + mutex for that list */
+
+ if ((f = fopen(filename, "r"))) {
+ char buf[1024] = {0};
+ while (fgets(buf, 1024, f)) {
+ trim(buf);
+ switch_core_hash_insert(bl->list, buf, (void*)SWITCH_TRUE);
+ }
+ } else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't open [%s] to load list [%s]\n", filename, name);
+ return SWITCH_STATUS_FALSE;
+ }
+
+ switch_core_hash_insert(globals.lists, name, bl);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Loaded list [%s]\n", name);
+
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t do_config(switch_bool_t reload)
+{
+ /* Load up blacklists */
+ switch_xml_t xml, cfg, lists, list;
+ switch_hash_index_t *hi;
+
+ if (!(xml = switch_xml_open_cfg("mod_blacklist.conf", &cfg, NULL))) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't load configuration section\n");
+ return SWITCH_STATUS_FALSE;
+ }
+
+ switch_mutex_lock(globals.lists_mutex);
+
+ /* Destroy any active lists */
+ while ((hi = switch_hash_first(NULL, globals.lists))) {
+ const void *key;
+ void *val;
+ switch_hash_this(hi, &key, NULL, &val);
+ blacklist_free((blacklist_t*)val);
+ switch_core_hash_delete(globals.lists, (const char*)key);
+ }
+
+ if ((lists = switch_xml_child(cfg, "lists"))) {
+ for (list = switch_xml_child(lists, "list"); list; list = list->next) {
+ const char *name = switch_xml_attr_soft(list, "name");
+ const char *filename = switch_xml_attr_soft(list, "filename");
+
+ if (name && filename) {
+ load_list(name, filename);
+ }
+ }
+ }
+
+ switch_mutex_unlock(globals.lists_mutex);
+
+ if (xml) {
+ switch_xml_free(xml);
+ xml = NULL;
+ }
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_STANDARD_API(blacklist_api_function)
+{
+ char *data;
+ int argc;
+ char *argv[3];
+
+ data = strdup(cmd);
+ trim(data);
+ if (!(argc = switch_separate_string(data, ' ', argv, (sizeof(argv) / sizeof(argv[0]))))) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid usage\n");
+ goto done;
+ }
+
+ if (!strcasecmp(argv[0], "check")) {
+ blacklist_t *bl = NULL;
+ switch_bool_t result;
+
+ if (argc < 2 || zstr(argv[1]) || zstr(argv[2])) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Wrong syntax");
+ goto done;
+ }
+
+ switch_mutex_lock(globals.lists_mutex);
+ bl = switch_core_hash_find(globals.lists, argv[1]);
+ switch_mutex_unlock(globals.lists_mutex);
+
+ if (!bl) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unknown blacklist [%s]\n", argv[1]);
+ stream->write_function(stream, "false");
+ goto done;
+ }
+
+ switch_mutex_lock(bl->list_mutex);
+ result = (switch_bool_t)(intptr_t)switch_core_hash_find(bl->list, argv[2]);
+ stream->write_function(stream, "%s", result ? "true" : "false");
+ switch_mutex_unlock(bl->list_mutex);
+ } else if (!strcasecmp(argv[0], "add")) {
+ blacklist_t *bl = NULL;
+ if (argc < 2 || zstr(argv[1]) || zstr(argv[2])) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Wrong syntax");
+ goto done;
+ }
+
+ switch_mutex_lock(globals.lists_mutex);
+ bl = switch_core_hash_find(globals.lists, argv[1]);
+ switch_mutex_unlock(globals.lists_mutex);
+
+ if (!bl) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unknown blacklist [%s]\n", argv[1]);
+ stream->write_function(stream, "-ERR Unknown blacklist\n");
+ goto done;
+ }
+
+ switch_mutex_lock(bl->list_mutex);
+ switch_core_hash_insert(bl->list, argv[2], (void*)SWITCH_TRUE);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Added [%s] to list [%s]\n", argv[2], argv[1]);
+ switch_mutex_unlock(bl->list_mutex);
+ stream->write_function(stream, "+OK\n");
+ } else if (!strcasecmp(argv[0], "del")) {
+ blacklist_t *bl = NULL;
+ if (argc < 2 || zstr(argv[1]) || zstr(argv[2])) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Wrong syntax");
+ goto done;
+ }
+
+ switch_mutex_lock(globals.lists_mutex);
+ bl = switch_core_hash_find(globals.lists, argv[1]);
+ switch_mutex_unlock(globals.lists_mutex);
+
+ if (!bl) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unknown blacklist [%s]\n", argv[1]);
+ stream->write_function(stream, "-ERR Unknown blacklist\n");
+ goto done;
+ }
+
+ switch_mutex_lock(bl->list_mutex);
+ switch_core_hash_insert(bl->list, argv[2], NULL);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Removed [%s] from list [%s]\n", argv[2], argv[1]);
+ switch_mutex_unlock(bl->list_mutex);
+ stream->write_function(stream, "+OK\n");
+ } else if (!strcasecmp(argv[0], "reload")) {
+ do_config(SWITCH_TRUE);
+ stream->write_function(stream, "+OK\n");
+ }
+
+done:
+ switch_safe_free(data);
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+SWITCH_MODULE_LOAD_FUNCTION(mod_blacklist_load)
+{
+ switch_api_interface_t *api_interface;
+ //switch_application_interface_t *app_interface;
+ /* connect my internal structure to the blank pointer passed to me */
+ *module_interface = switch_loadable_module_create_module_interface(pool, modname);
+
+ memset(&globals, 0, sizeof(globals));
+ globals.pool = pool;
+
+ switch_core_hash_init(&globals.lists, globals.pool);
+ switch_mutex_init(&globals.lists_mutex, SWITCH_MUTEX_NESTED, globals.pool);
+
+ do_config(SWITCH_FALSE);
+
+ SWITCH_ADD_API(api_interface, "blacklist", "Control blacklists", blacklist_api_function, "");
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_blacklist_shutdown)
+{
+ 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
+ */
projects / thirdparty / freeswitch.git / commitdiff
