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	git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@44100 65c4cc65-6c06-0410-ace0-fbb531ad65f3
		
			
				
	
	
		
			123 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			123 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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#include "asterisk/app.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 i, answer = 0, nocallerid = 0;
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	char *parse = ast_strdupa((char *)data);
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	AST_DECLARE_APP_ARGS(args,
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		AST_APP_ARG(options)[2];
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	);
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	u = ast_module_user_add(chan);
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	AST_STANDARD_APP_ARGS(args, parse);
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	for (i = 0; i < args.argc; i++) {
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		if (!strcasecmp(args.options[i], "answer"))
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			answer = 1;
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		else if (!strcasecmp(args.options[i], "nocallerid"))
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			nocallerid = 1;
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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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	if (!ast_strlen_zero(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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