text: // SPDX-License-Identifier: GPL-2.0
  /*
   * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
   * Copyright (c) 2019 Petr Vorel <petr.vorel@gmail.com>
   * Author: Saji Kumar.V.R <saji.kumar@wipro.com>
   */
  
  #include <errno.h>
  #include <pwd.h>
  
  #include "setdomainname.h"
  
  struct passwd *ltpuser;
  
  static void do_test(void)
  {
  	char *new = TST_VALID_DOMAIN_NAME;
  
  	TEST(do_setdomainname(new, strlen(new)));
  
  	if (TST_RET != -1) {
  		tst_res(TFAIL, "unexpected exit code: %ld", TST_RET);
  		return;
  	}
  
  	if (TST_ERR != EPERM) {
  		tst_res(TFAIL | TTERRNO, "unexpected errno: %d, expected: EPERM",
  			TST_ERR);
  		return;
  	}
  
  	tst_res(TPASS | TTERRNO, "expected failure");
  }
  
  void setup_setuid(void)
  {
  	ltpuser = SAFE_GETPWNAM("nobody");
  	SAFE_SETEUID(ltpuser->pw_uid);
  	setup();
  }
  
  static void cleanup_setuid(void)
  {
  	SAFE_SETEUID(0);
  	cleanup();
  }
  
  static struct tst_test test = {
  	.needs_root = 1,
  	.setup = setup_setuid,
  	.cleanup = cleanup_setuid,
  	.test_all = do_test,
  	.test_variants = TEST_VARIANTS,
  };
  