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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2005, Digium, Inc.
* Copyright (C) 2005, Olle E. Johansson, Edvina.net
* Copyright (C) 2005, Russell Bryant <russelb@clemson.edu>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief MD5 digest related dialplan functions
*
*/
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "asterisk.h"
/* ASTERISK_FILE_VERSION(__FILE__, "$Revision$") */
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/logger.h"
#include "asterisk/utils.h"
#include "asterisk/app.h"
static char *builtin_function_md5(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
{
char md5[33];
if (!data || ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "Syntax: MD5(<data>) - missing argument!\n");
return NULL;
}
ast_md5_hash(md5, data);
ast_copy_string(buf, md5, len);
return buf;
}
static char *builtin_function_checkmd5(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
{
int argc;
char *argv[2];
char *args;
char newmd5[33];
if (!data || ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "Syntax: CHECK_MD5(<digest>,<data>) - missing argument!\n");
return NULL;
}
args = ast_strdupa(data);
argc = ast_app_separate_args(args, '|', argv, sizeof(argv) / sizeof(argv[0]));
if (argc < 2) {
ast_log(LOG_WARNING, "Syntax: CHECK_MD5(<digest>,<data>) - missing argument!\n");
return NULL;
}
ast_md5_hash(newmd5, argv[1]);
if (!strcasecmp(newmd5, argv[0])) /* they match */
ast_copy_string(buf, "1", len);
else
ast_copy_string(buf, "0", len);
return buf;
}
#ifndef BUILTIN_FUNC
static
#endif
struct ast_custom_function md5_function = {
.name = "MD5",
.synopsis = "Computes an MD5 digest",
.syntax = "MD5(<data>)",
.read = builtin_function_md5,
};
#ifndef BUILTIN_FUNC
static
#endif
struct ast_custom_function checkmd5_function = {
.name = "CHECK_MD5",
.synopsis = "Checks an MD5 digest",
.desc = "Returns 1 on a match, 0 otherwise\n",
.syntax = "CHECK_MD5(<digest>,<data>)",
.read = builtin_function_checkmd5,
};
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