Add mod_blacklist from contrib.

Can be used to maintain lists of numbers and query/modify them with api commands.

Example:
blacklist add <list> <number>
blacklist del <list> <number>
blacklist check <list> <number> (outputs true or false)
This commit is contained in:
Mathieu Rene 2011-09-16 13:56:28 -04:00
parent 77c01bc4b7
commit 3a477c42a0
2 changed files with 280 additions and 0 deletions

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@ -2,6 +2,7 @@ loggers/mod_console
loggers/mod_logfile
loggers/mod_syslog
#applications/mod_cidlookup
#applications/mod_blacklist
applications/mod_commands
applications/mod_conference
applications/mod_dptools

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@ -0,0 +1,279 @@
/*
* 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
*/