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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2006, Digium, Inc.
* Copyright (C) 2006, Claude Patry
*
* 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 SHA1 digest related dialplan functions
*
* \author Claude Patry <cpatry@gmail.com>
*
* \ingroup functions
*/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/module.h"
#include "asterisk/pbx.h"
static int sha1(struct ast_channel *chan, const char *cmd, char *data,
char *buf, size_t len)
{
*buf = '\0';
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "Syntax: SHA1(<data>) - missing argument!\n");
return -1;
}
if (len >= 41)
ast_sha1_hash(buf, data);
else {
ast_log(LOG_ERROR,
"Insufficient space to produce SHA1 hash result (%d < 41)\n",
(int) len);
}
return 0;
}
static struct ast_custom_function sha1_function = {
.name = "SHA1",
.synopsis = "Computes a SHA1 digest",
.syntax = "SHA1(<data>)",
.read = sha1,
.desc = "Generate a SHA1 digest via the SHA1 algorythm.\n"
" Example: Set(sha1hash=${SHA1(junky)})\n"
" Sets the asterisk variable sha1hash to the string '60fa5675b9303eb62f99a9cd47f9f5837d18f9a0'\n"
" which is known as his hash\n",
};
static int unload_module(void)
{
return ast_custom_function_unregister(&sha1_function);
}
static int load_module(void)
{
return ast_custom_function_register(&sha1_function);
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "SHA-1 computation dialplan function");
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