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/*
* Asterisk -- A telephony toolkit for Linux.
*
* MD5 checksum application
*
* Copyright (C) 2005, Olle E. Johansson, Edvina.net
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#include <asterisk/file.h>
#include <asterisk/logger.h>
#include <asterisk/utils.h>
#include <asterisk/channel.h>
#include <asterisk/pbx.h>
#include <asterisk/module.h>
#include <asterisk/lock.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
static char *tdesc = "MD5 checksum application";
static char *app_md5 = "md5";
static char *synopsis =
" md5(<var>=<string>): Calculates a MD5 checksum on <string>.\n"
"Returns hash value in a channel variable. Always return 0\n";
STANDARD_LOCAL_USER;
LOCAL_USER_DECL;
static int md5_exec(struct ast_channel *chan, void *data)
{
int res=0;
struct localuser *u;
char *varname= NULL; /* Variable to set */
char *string = NULL; /* String to calculate on */
char retvar[50]; /* Return value */
if (!data) {
ast_log(LOG_WARNING, "Syntax: md5(<varname>=<string>) - missing argument!\n");
return -1;
}
LOCAL_USER_ADD(u);
memset(retvar,0, sizeof(retvar));
string = ast_strdupa(data);
varname = strsep(&string,"=");
if (ast_strlen_zero(varname)) {
ast_log(LOG_WARNING, "Syntax: md5(<varname>=<string>) - missing argument!\n");
LOCAL_USER_REMOVE(u);
return -1;
}
ast_md5_hash(retvar, string);
pbx_builtin_setvar_helper(chan, varname, retvar);
LOCAL_USER_REMOVE(u);
return res;
}
int unload_module(void)
{
STANDARD_HANGUP_LOCALUSERS;
return ast_unregister_application(app_md5);
}
int load_module(void)
{
return ast_register_application(app_md5, md5_exec, synopsis, tdesc);
}
char *description(void)
{
return tdesc;
}
int usecount(void)
{
int res;
STANDARD_USECOUNT(res);
return res;
}
char *key()
{
return ASTERISK_GPL_KEY;
}
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