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113 lines
2.6 KiB
C
113 lines
2.6 KiB
C
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/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* App to lookup the callerid number, and see if it is blacklisted
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*
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* Copyright (C) 1999, Mark Spencer
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*
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* Mark Spencer <markster@linux-support.net>
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License
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*/
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#include <asterisk/lock.h>
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#include <asterisk/file.h>
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#include <asterisk/logger.h>
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#include <asterisk/options.h>
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#include <asterisk/channel.h>
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#include <asterisk/pbx.h>
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#include <asterisk/module.h>
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#include <asterisk/translate.h>
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#include <asterisk/image.h>
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#include <asterisk/callerid.h>
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#include <string.h>
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#include <stdlib.h>
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#include <pthread.h>
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static char *tdesc = "Look up number from local blacklist database";
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static char *app = "LookupBlacklist";
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static char *synopsis = "Look up number from local blacklist database";
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static char *descrip =
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" LookupBlacklist: Looks up the Caller*ID number on the active\n"
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"channel in the Asterisk database (family 'blacklist'). If the\n"
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"number is found, and if there exists a priority n + 101,\n"
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"where 'n' is the priority of the current instance, then the\n"
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"channel will be setup to continue at that priority level.\n"
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"Otherwise, it returns 0. Does nothing if no Caller*ID was received on the\n"
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"channel.\n";
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static int
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lookupblacklist_exec (struct ast_channel *chan, void *data)
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{
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char old_cid[144] = "", *num, *name;
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char blacklist[1];
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char shrunknum[64] = "";
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struct localuser *u;
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int bl = 0;
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LOCAL_USER_ADD (u);
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if (chan->callerid)
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{
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strncpy (old_cid, chan->callerid, sizeof (old_cid) - 1);
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ast_callerid_parse (old_cid, &name, &num); /* this destroys the original string */
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if (num) /* It's possible to get an empty number */
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strncpy (shrunknum, num, sizeof (shrunknum) - 1);
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else
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num = shrunknum;
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ast_shrink_phone_number (shrunknum);
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if (!ast_db_get ("blacklist", shrunknum, blacklist, sizeof (blacklist)))
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{
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if (option_verbose > 2)
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ast_verbose (VERBOSE_PREFIX_3 "Blacklisted number %s found\n",shrunknum);
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bl = 1;
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}
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}
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if (bl && ast_exists_extension(chan, chan->context, chan->exten, chan->priority + 101, chan->callerid))
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chan->priority+=100;
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LOCAL_USER_REMOVE (u);
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return 0;
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}
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int
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unload_module (void)
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{
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STANDARD_HANGUP_LOCALUSERS;
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return ast_unregister_application (app);
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}
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int
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load_module (void)
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{
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return ast_register_application (app, lookupblacklist_exec, synopsis,
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descrip);
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}
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char *
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description (void)
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{
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return tdesc;
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}
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int
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usecount (void)
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{
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int res;
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STANDARD_USECOUNT (res);
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return res;
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}
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char *
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key ()
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{
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return ASTERISK_GPL_KEY;
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}
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