mirror of
https://github.com/asterisk/asterisk.git
synced 2025-11-03 20:38:59 +00:00
6ae9a5835e
Use example tags instead of regular para tags where possible. ASTERISK-30090 Change-Id: Iada8bbfda08f30b118cedf2d040bbb21e4966ec5
95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/*
|
|
* 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
|
|
*/
|
|
|
|
/*** MODULEINFO
|
|
<support_level>core</support_level>
|
|
***/
|
|
|
|
#include "asterisk.h"
|
|
|
|
#include "asterisk/module.h"
|
|
#include "asterisk/pbx.h"
|
|
|
|
/*** DOCUMENTATION
|
|
<function name="SHA1" language="en_US">
|
|
<synopsis>
|
|
Computes a SHA1 digest.
|
|
</synopsis>
|
|
<syntax>
|
|
<parameter name="data" required="true">
|
|
<para>Input string</para>
|
|
</parameter>
|
|
</syntax>
|
|
<description>
|
|
<para>Generate a SHA1 digest via the SHA1 algorythm.</para>
|
|
<example title="Set sha1hash variable to SHA1 hash of junky">
|
|
exten => s,1,Set(sha1hash=${SHA1(junky)})
|
|
</example>
|
|
<para>The example above sets the asterisk variable sha1hash to the string <literal>60fa5675b9303eb62f99a9cd47f9f5837d18f9a0</literal>
|
|
which is known as its hash</para>
|
|
</description>
|
|
</function>
|
|
***/
|
|
|
|
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",
|
|
.read = sha1,
|
|
.read_max = 42,
|
|
};
|
|
|
|
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");
|