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	ASTERISK-23919 #close Reported by Malcolm Davenport Review: https://reviewboard.asterisk.org/r/3802 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@419592 65c4cc65-6c06-0410-ace0-fbb531ad65f3
		
			
				
	
	
		
			142 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			142 lines
		
	
	
		
			3.7 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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| 
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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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| 
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| /*** MODULEINFO
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| 	<support_level>extended</support_level>
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|  ***/
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|  
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| #include "asterisk.h"
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| 
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| ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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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/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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| 
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| /*** DOCUMENTATION
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| 	<application name="Zapateller" language="en_US">
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| 		<synopsis>
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| 			Block telemarketers with SIT.
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| 		</synopsis>
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| 		<syntax>
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| 			<parameter name="options" required="true">
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| 				<para>Comma delimited list of options.</para>
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| 				<optionlist>
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| 					<option name="answer">
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| 						<para>Causes the line to be answered before playing the tone.</para>
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| 					</option>
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| 					<option name="nocallerid">
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| 						<para>Causes Zapateller to only play the tone if there is no
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| 						callerid information available.</para>
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| 					</option>
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| 				</optionlist>
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| 			</parameter>
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| 		</syntax>
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| 		<description>
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| 			<para>Generates special information tone to block telemarketers from calling you.</para>
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| 			<para>This application will set the following channel variable upon completion:</para>
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| 			<variablelist>
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| 				<variable name="ZAPATELLERSTATUS">
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| 					<para>This will contain the last action accomplished by the
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| 					Zapateller application. Possible values include:</para>
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| 					<value name="NOTHING" />
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| 					<value name="ANSWERED" />
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| 					<value name="ZAPPED" />
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| 				</variable>
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| 			</variablelist>
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| 		</description>
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| 	</application>
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|  ***/
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| 
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| static char *app = "Zapateller";
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| 
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| static int zapateller_exec(struct ast_channel *chan, const char *data)
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| {
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| 	int res = 0;
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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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| 
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| 	AST_STANDARD_APP_ARGS(args, parse);
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| 
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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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| 
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| 	pbx_builtin_setvar_helper(chan, "ZAPATELLERSTATUS", "NOTHING");
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| 	ast_stopstream(chan);
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| 	if (ast_channel_state(chan) != AST_STATE_UP) {
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| 		if (answer) {
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| 			res = ast_answer(chan);
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| 			pbx_builtin_setvar_helper(chan, "ZAPATELLERSTATUS", "ANSWERED");
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| 		}
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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 (nocallerid	/* Zap caller if no caller id. */
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| 		&& ast_channel_caller(chan)->id.number.valid
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| 		&& !ast_strlen_zero(ast_channel_caller(chan)->id.number.str)) {
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| 		/* We have caller id. */
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| 		return res;
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| 	}
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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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| 	
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| 	pbx_builtin_setvar_helper(chan, "ZAPATELLERSTATUS", "ZAPPED");
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| 	return res;
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| }
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| 
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| static int unload_module(void)
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| {
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| 	return ast_unregister_application(app);
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| }
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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_xml(app, zapateller_exec)) ? AST_MODULE_LOAD_FAILURE : AST_MODULE_LOAD_SUCCESS);
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| }
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| 
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| AST_MODULE_INFO_STANDARD_EXTENDED(ASTERISK_GPL_KEY, "Block Telemarketers with Special Information Tone");
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| 
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