121 lines
2.9 KiB
C
121 lines
2.9 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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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 Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Playback the special information tone to get rid of telemarketers
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*
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* \author Mark Spencer <markster@digium.com>
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*
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* \ingroup applications
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*/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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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/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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static char *app = "Zapateller";
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static char *synopsis = "Block telemarketers with SIT";
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static char *descrip =
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" Zapateller(options): Generates special information tone to block\n"
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"telemarketers from calling you. Options is a pipe-delimited list of\n"
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"options. The following options are available:\n"
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"'answer' causes the line to be answered before playing the tone,\n"
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"'nocallerid' causes Zapateller to only play the tone if there\n"
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"is no callerid information available. Options should be separated by |\n"
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"characters\n";
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static int zapateller_exec(struct ast_channel *chan, void *data)
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{
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int res = 0;
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struct ast_module_user *u;
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int answer = 0, nocallerid = 0;
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char *c;
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char *stringp=NULL;
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u = ast_module_user_add(chan);
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stringp=data;
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c = strsep(&stringp, "|");
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while(!ast_strlen_zero(c)) {
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if (!strcasecmp(c, "answer"))
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answer = 1;
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else if (!strcasecmp(c, "nocallerid"))
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nocallerid = 1;
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c = strsep(&stringp, "|");
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}
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ast_stopstream(chan);
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if (chan->_state != AST_STATE_UP) {
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if (answer)
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res = ast_answer(chan);
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if (!res) {
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res = ast_safe_sleep(chan, 500);
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}
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}
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if (chan->cid.cid_num && nocallerid) {
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ast_module_user_remove(u);
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return res;
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}
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if (!res)
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res = ast_tonepair(chan, 950, 0, 330, 0);
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if (!res)
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res = ast_tonepair(chan, 1400, 0, 330, 0);
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if (!res)
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res = ast_tonepair(chan, 1800, 0, 330, 0);
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if (!res)
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res = ast_tonepair(chan, 0, 0, 1000, 0);
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ast_module_user_remove(u);
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return res;
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}
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static int unload_module(void)
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{
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int res;
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res = ast_unregister_application(app);
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ast_module_user_hangup_all();
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return res;
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}
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static int load_module(void)
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{
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return ast_register_application(app, zapateller_exec, synopsis, descrip);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Block Telemarketers with Special Information Tone");
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