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/*
Unix SMB/CIFS implementation.
provide access to randomisation functions
Copyright (C) Andrew Tridgell 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "scripting/ejs/smbcalls.h"
#include "lib/appweb/ejs/ejs.h"
#include "system/passwd.h"
#include "librpc/gen_ndr/ndr_misc.h"
/*
usage:
var i = random();
*/
static int ejs_random(MprVarHandle eid, int argc, struct MprVar **argv)
{
mpr_Return(eid, mprCreateIntegerVar(generate_random()));
return 0;
}
/*
usage:
var s = randpass(len);
*/
static int ejs_randpass(MprVarHandle eid, int argc, struct MprVar **argv)
{
char *s;
if (argc != 1 || !mprVarIsNumber(argv[0]->type)) {
ejsSetErrorMsg(eid, "randpass invalid arguments");
return -1;
}
s = generate_random_str(mprMemCtx(), mprToInt(argv[0]));
mpr_Return(eid, mprString(s));
talloc_free(s);
return 0;
}
/*
usage:
var guid = randguid();
*/
static int ejs_randguid(MprVarHandle eid, int argc, struct MprVar **argv)
{
struct GUID guid = GUID_random();
char *s = GUID_string(mprMemCtx(), &guid);
mpr_Return(eid, mprString(s));
talloc_free(s);
return 0;
}
/*
usage:
var sid = randsid();
*/
static int ejs_randsid(MprVarHandle eid, int argc, struct MprVar **argv)
{
char *s = talloc_asprintf(mprMemCtx(), "S-1-5-21-%8u-%8u-%8u",
(unsigned)generate_random(),
(unsigned)generate_random(),
(unsigned)generate_random());
mpr_Return(eid, mprString(s));
talloc_free(s);
return 0;
}
/*
initialise random ejs subsystem
*/
static int ejs_random_init(MprVarHandle eid, int argc, struct MprVar **argv)
{
struct MprVar *obj = mprInitObject(eid, "random", argc, argv);
mprSetCFunction(obj, "random", ejs_random);
mprSetCFunction(obj, "randpass", ejs_randpass);
mprSetCFunction(obj, "randguid", ejs_randguid);
mprSetCFunction(obj, "randsid", ejs_randsid);
return 0;
}
/*
setup C functions that be called from ejs
*/
NTSTATUS smb_setup_ejs_random(void)
{
ejsDefineCFunction(-1, "random_init", ejs_random_init, NULL, MPR_VAR_SCRIPT_HANDLE);
return NT_STATUS_OK;
}
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