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	This commit introduces the first phase of an effort to manage documentation of the interfaces in Asterisk in an XML format. Currently, a new format is available for applications and dialplan functions. A good number of conversions to the new format are also included. For more information, see the following message to asterisk-dev: http://lists.digium.com/pipermail/asterisk-dev/2008-October/034968.html git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@153365 65c4cc65-6c06-0410-ace0-fbb531ad65f3
		
			
				
	
	
		
			111 lines
		
	
	
		
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			111 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Asterisk -- An open source telephony toolkit.
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 *
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 * Copyright (C) 2005 - 2006, Digium, Inc.
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 * Copyright (C) 2005, Claude Patry
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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 Use the base64 as functions
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 * 
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 * \ingroup functions
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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 "asterisk/module.h"
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#include "asterisk/pbx.h"	/* function register/unregister */
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#include "asterisk/utils.h"
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/*** DOCUMENTATION
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	<function name="BASE64_ENCODE" language="en_US">
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		<synopsis>
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			Encode a string in base64.
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		</synopsis>
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		<syntax>
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			<parameter name="string" required="true">
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				<para>Input string</para>
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			</parameter>
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		</syntax>
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		<description>
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			<para>Returns the base64 string.</para>
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		</description>
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	</function>
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	<function name="BASE64_DECODE" language="en_US">
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		<synopsis>
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			Decode a base64 string.
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		</synopsis>
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		<syntax>
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			<parameter name="string" required="true">
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				<para>Input string.</para>
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			</parameter>
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		</syntax>
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		<description>
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			<para>Returns the plain text string.</para>
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		</description>
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	</function>
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 ***/
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static int base64_encode(struct ast_channel *chan, const char *cmd, char *data,
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			 char *buf, size_t len)
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{
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	if (ast_strlen_zero(data)) {
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		ast_log(LOG_WARNING, "Syntax: BASE64_ENCODE(<data>) - missing argument!\n");
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		return -1;
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	}
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	ast_base64encode(buf, (unsigned char *) data, strlen(data), len);
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	return 0;
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}
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static int base64_decode(struct ast_channel *chan, const char *cmd, char *data,
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			 char *buf, size_t len)
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{
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	if (ast_strlen_zero(data)) {
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		ast_log(LOG_WARNING, "Syntax: BASE64_DECODE(<base_64 string>) - missing argument!\n");
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		return -1;
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	}
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	ast_base64decode((unsigned char *) buf, data, len);
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	return 0;
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}
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static struct ast_custom_function base64_encode_function = {
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	.name = "BASE64_ENCODE",
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	.read = base64_encode,
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};
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static struct ast_custom_function base64_decode_function = {
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	.name = "BASE64_DECODE",
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	.read = base64_decode,
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};
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static int unload_module(void)
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{
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	return ast_custom_function_unregister(&base64_encode_function) |
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		ast_custom_function_unregister(&base64_decode_function);
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}
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static int load_module(void)
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{
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	return ast_custom_function_register(&base64_encode_function) |
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		ast_custom_function_register(&base64_decode_function);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "base64 encode/decode dialplan functions");
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