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Diffstat (limited to 'apps/app_lookupblacklist.c')
-rw-r--r-- | apps/app_lookupblacklist.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/apps/app_lookupblacklist.c b/apps/app_lookupblacklist.c new file mode 100644 index 000000000..88ed52d86 --- /dev/null +++ b/apps/app_lookupblacklist.c @@ -0,0 +1,160 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 1999 - 2005, Digium, Inc. + * + * Mark Spencer <markster@digium.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file + * + * \brief App to lookup the callerid number, and see if it is blacklisted + * + * \author Mark Spencer <markster@digium.com> + * + * \ingroup applications + * + */ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include "asterisk/lock.h" +#include "asterisk/file.h" +#include "asterisk/logger.h" +#include "asterisk/options.h" +#include "asterisk/channel.h" +#include "asterisk/pbx.h" +#include "asterisk/module.h" +#include "asterisk/translate.h" +#include "asterisk/image.h" +#include "asterisk/callerid.h" +#include "asterisk/astdb.h" +#include "asterisk/options.h" + +static char *app = "LookupBlacklist"; + +static char *synopsis = "Look up Caller*ID name/number from blacklist database"; + +static char *descrip = + " LookupBlacklist(options): Looks up the Caller*ID number on the active\n" + "channel in the Asterisk database (family 'blacklist'). \n" + "The option string may contain the following character:\n" + " 'j' -- jump to n+101 priority if the number/name is found in the blacklist\n" + "This application sets the following channel variable upon completion:\n" + " LOOKUPBLSTATUS The status of the Blacklist lookup as a text string, one of\n" + " FOUND | NOTFOUND\n" + "Example: exten => 1234,1,LookupBlacklist()\n\n" + "This application is deprecated and may be removed from a future release.\n" + "Please use the dialplan function BLACKLIST() instead.\n"; + + +static int blacklist_read(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) +{ + char blacklist[1]; + int bl = 0; + + if (chan->cid.cid_num) { + if (!ast_db_get("blacklist", chan->cid.cid_num, blacklist, sizeof (blacklist))) + bl = 1; + } + if (chan->cid.cid_name) { + if (!ast_db_get("blacklist", chan->cid.cid_name, blacklist, sizeof (blacklist))) + bl = 1; + } + + snprintf(buf, len, "%d", bl); + return 0; +} + +static struct ast_custom_function blacklist_function = { + .name = "BLACKLIST", + .synopsis = "Check if the callerid is on the blacklist", + .desc = "Uses astdb to check if the Caller*ID is in family 'blacklist'. Returns 1 or 0.\n", + .syntax = "BLACKLIST()", + .read = blacklist_read, +}; + +static int +lookupblacklist_exec (struct ast_channel *chan, void *data) +{ + char blacklist[1]; + struct ast_module_user *u; + int bl = 0; + int priority_jump = 0; + static int dep_warning = 0; + + u = ast_module_user_add(chan); + + if (!dep_warning) { + dep_warning = 1; + ast_log(LOG_WARNING, "LookupBlacklist is deprecated. Please use ${BLACKLIST()} instead.\n"); + } + + if (!ast_strlen_zero(data)) { + if (strchr(data, 'j')) + priority_jump = 1; + } + + if (chan->cid.cid_num) { + if (!ast_db_get("blacklist", chan->cid.cid_num, blacklist, sizeof (blacklist))) { + if (option_verbose > 2) + ast_log(LOG_NOTICE, "Blacklisted number %s found\n",chan->cid.cid_num); + bl = 1; + } + } + if (chan->cid.cid_name) { + if (!ast_db_get("blacklist", chan->cid.cid_name, blacklist, sizeof (blacklist))) { + if (option_verbose > 2) + ast_log (LOG_NOTICE,"Blacklisted name \"%s\" found\n",chan->cid.cid_name); + bl = 1; + } + } + + if (bl) { + if (priority_jump || ast_opt_priority_jumping) + ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101); + pbx_builtin_setvar_helper(chan, "LOOKUPBLSTATUS", "FOUND"); + } else + pbx_builtin_setvar_helper(chan, "LOOKUPBLSTATUS", "NOTFOUND"); + + ast_module_user_remove(u); + + return 0; +} + +static int unload_module(void) +{ + int res; + + res = ast_unregister_application(app); + res |= ast_custom_function_unregister(&blacklist_function); + + ast_module_user_hangup_all(); + + return res; +} + +static int load_module(void) +{ + int res = ast_custom_function_register(&blacklist_function); + res |= ast_register_application (app, lookupblacklist_exec, synopsis,descrip); + return res; +} + +AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Look up Caller*ID name/number from blacklist database"); |