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/*
* 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";
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");
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