android13/external/ltp/testcases/kernel/syscalls/setgid/setgid03.c

40 lines
746 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) International Business Machines Corp., 2001
* Ported by Wayne Boyer
*/
/*\
* [Algorithm]
*
* As a root sets current group id to nobody and expects success.
*/
#include <pwd.h>
#include "tst_test.h"
#include <compat_tst_16.h>
static struct passwd *nobody;
static void run(void)
{
TST_EXP_PASS(SETGID(nobody->pw_gid));
if (getgid() != nobody->pw_gid)
tst_res(TFAIL, "setgid failed to set gid to nobody gid");
else
tst_res(TPASS, "functionality of getgid() is correct");
}
static void setup(void)
{
nobody = SAFE_GETPWNAM("nobody");
GID16_CHECK(nobody->pw_gid, setgid);
}
static struct tst_test test = {
.needs_root = 1,
.setup = setup,
.test_all = run,
};