mirror of
https://github.com/asterisk/asterisk.git
synced 2025-10-29 15:36:13 +00:00
4413bd2360
https://origsvn.digium.com/svn/asterisk/trunk ................ r228620 | mnicholson | 2009-11-06 13:47:11 -0600 (Fri, 06 Nov 2009) | 15 lines Merged revisions 228378 via svnmerge from https://origsvn.digium.com/svn/asterisk/branches/1.4 ........ r228378 | mnicholson | 2009-11-06 10:26:59 -0600 (Fri, 06 Nov 2009) | 8 lines Properly handle '=' while decoding base64 messages and null terminate strings returned from BASE64_DECODE. (closes issue #15271) Reported by: chappell Patches: base64_fix.patch uploaded by chappell (license 8) Tested by: kobaz ........ ................ git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@228650 65c4cc65-6c06-0410-ace0-fbb531ad65f3
95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 2005 - 2006, Digium, Inc.
|
|
* Copyright (C) 2005, 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 Use the base64 as functions
|
|
*
|
|
* \ingroup functions
|
|
*/
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
#include "asterisk/module.h"
|
|
#include "asterisk/pbx.h" /* function register/unregister */
|
|
#include "asterisk/utils.h"
|
|
|
|
static int base64_encode(struct ast_channel *chan, const char *cmd, char *data,
|
|
char *buf, size_t len)
|
|
{
|
|
if (ast_strlen_zero(data)) {
|
|
ast_log(LOG_WARNING, "Syntax: BASE64_ENCODE(<data>) - missing argument!\n");
|
|
return -1;
|
|
}
|
|
|
|
ast_base64encode(buf, (unsigned char *) data, strlen(data), len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int base64_decode(struct ast_channel *chan, const char *cmd, char *data,
|
|
char *buf, size_t len)
|
|
{
|
|
int decoded_len;
|
|
|
|
if (ast_strlen_zero(data)) {
|
|
ast_log(LOG_WARNING, "Syntax: BASE64_DECODE(<base_64 string>) - missing argument!\n");
|
|
return -1;
|
|
}
|
|
|
|
decoded_len = ast_base64decode((unsigned char *) buf, data, len);
|
|
if (decoded_len <= (len - 1)) { /* if not truncated, */
|
|
buf[decoded_len] = '\0';
|
|
} else {
|
|
buf[len - 1] = '\0';
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_custom_function base64_encode_function = {
|
|
.name = "BASE64_ENCODE",
|
|
.synopsis = "Encode a string in base64",
|
|
.desc = "Returns the base64 string\n",
|
|
.syntax = "BASE64_ENCODE(<string>)",
|
|
.read = base64_encode,
|
|
};
|
|
|
|
static struct ast_custom_function base64_decode_function = {
|
|
.name = "BASE64_DECODE",
|
|
.synopsis = "Decode a base64 string",
|
|
.desc = "Returns the plain text string\n",
|
|
.syntax = "BASE64_DECODE(<base64_string>)",
|
|
.read = base64_decode,
|
|
};
|
|
|
|
static int unload_module(void)
|
|
{
|
|
return ast_custom_function_unregister(&base64_encode_function) |
|
|
ast_custom_function_unregister(&base64_decode_function);
|
|
}
|
|
|
|
static int load_module(void)
|
|
{
|
|
return ast_custom_function_register(&base64_encode_function) |
|
|
ast_custom_function_register(&base64_decode_function);
|
|
}
|
|
|
|
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "base64 encode/decode dialplan functions");
|