1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (c) International Business Machines Corp., 2001 4f08c3bdfSopenharmony_ci * Ported by Wayne Boyer 5f08c3bdfSopenharmony_ci */ 6f08c3bdfSopenharmony_ci 7f08c3bdfSopenharmony_ci/*\ 8f08c3bdfSopenharmony_ci * [Algorithm] 9f08c3bdfSopenharmony_ci * 10f08c3bdfSopenharmony_ci * As a root sets current group id to nobody and expects success. 11f08c3bdfSopenharmony_ci */ 12f08c3bdfSopenharmony_ci 13f08c3bdfSopenharmony_ci#include <pwd.h> 14f08c3bdfSopenharmony_ci#include "tst_test.h" 15f08c3bdfSopenharmony_ci#include <compat_tst_16.h> 16f08c3bdfSopenharmony_ci 17f08c3bdfSopenharmony_cistatic struct passwd *nobody; 18f08c3bdfSopenharmony_ci 19f08c3bdfSopenharmony_cistatic void run(void) 20f08c3bdfSopenharmony_ci{ 21f08c3bdfSopenharmony_ci TST_EXP_PASS(SETGID(nobody->pw_gid)); 22f08c3bdfSopenharmony_ci 23f08c3bdfSopenharmony_ci if (getgid() != nobody->pw_gid) 24f08c3bdfSopenharmony_ci tst_res(TFAIL, "setgid failed to set gid to nobody gid"); 25f08c3bdfSopenharmony_ci else 26f08c3bdfSopenharmony_ci tst_res(TPASS, "functionality of getgid() is correct"); 27f08c3bdfSopenharmony_ci} 28f08c3bdfSopenharmony_ci 29f08c3bdfSopenharmony_cistatic void setup(void) 30f08c3bdfSopenharmony_ci{ 31f08c3bdfSopenharmony_ci nobody = SAFE_GETPWNAM("nobody"); 32f08c3bdfSopenharmony_ci GID16_CHECK(nobody->pw_gid, setgid); 33f08c3bdfSopenharmony_ci} 34f08c3bdfSopenharmony_ci 35f08c3bdfSopenharmony_cistatic struct tst_test test = { 36f08c3bdfSopenharmony_ci .needs_root = 1, 37f08c3bdfSopenharmony_ci .setup = setup, 38f08c3bdfSopenharmony_ci .test_all = run, 39f08c3bdfSopenharmony_ci}; 40