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0a27d8bfe5
- restructured build tree and makefiles to eliminate recursion problems - support for embedded modules - support for static builds - simpler cross-compilation support - simpler module/loader interface (no exported symbols) git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@40722 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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) 2005-2006, Digium, Inc.
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* Copyright (C) 2005, Olle E. Johansson, Edvina.net
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* Copyright (C) 2005, Russell Bryant <russelb@clemson.edu>
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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 MD5 digest related dialplan functions
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*
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* \author Olle E. Johansson <oej@edvina.net>
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* \author Russell Bryant <russelb@clemson.edu>
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include "asterisk/module.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/logger.h"
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#include "asterisk/utils.h"
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#include "asterisk/app.h"
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static int md5(struct ast_channel *chan, 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: MD5(<data>) - missing argument!\n");
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return -1;
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}
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ast_md5_hash(buf, data);
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buf[32] = '\0';
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return 0;
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}
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static int checkmd5(struct ast_channel *chan, char *cmd, char *parse,
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char *buf, size_t len)
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{
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char newmd5[33];
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static int deprecated = 0;
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AST_DECLARE_APP_ARGS(args, AST_APP_ARG(digest); AST_APP_ARG(data););
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if (ast_strlen_zero(parse)) {
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ast_log(LOG_WARNING,
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"Syntax: CHECK_MD5(<digest>,<data>) - missing argument!\n");
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return -1;
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}
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AST_STANDARD_APP_ARGS(args, parse);
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if (args.argc < 2) {
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ast_log(LOG_WARNING,
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"Syntax: CHECK_MD5(<digest>,<data>) - missing argument!\n");
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return -1;
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}
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if (!deprecated) {
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deprecated = 1;
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ast_log(LOG_WARNING, "CHECK_MD5() is deprecated in Asterisk 1.4 and later.\n");
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}
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ast_md5_hash(newmd5, args.data);
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if (!strcasecmp(newmd5, args.digest)) /* they match */
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ast_copy_string(buf, "1", len);
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else
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ast_copy_string(buf, "0", len);
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return 0;
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}
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static struct ast_custom_function md5_function = {
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.name = "MD5",
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.synopsis = "Computes an MD5 digest",
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.syntax = "MD5(<data>)",
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.read = md5,
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};
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static struct ast_custom_function checkmd5_function = {
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.name = "CHECK_MD5",
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.synopsis = "Checks an MD5 digest",
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.desc = "Returns 1 on a match, 0 otherwise\n",
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.syntax = "CHECK_MD5(<digest>,<data>)",
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.read = checkmd5,
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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(&md5_function) |
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ast_custom_function_unregister(&checkmd5_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(&md5_function) |
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ast_custom_function_register(&checkmd5_function);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "MD5 digest dialplan functions");
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