[LTP] [PATCH] setfsuid01.c: Rewrite using new LTP API

[Richard Palethorpe]

Merged! Thanks

Avinesh Kumar <akumar@suse.de> writes:

> Rewrite with new API and add test to verify that filesystem user ID was
> correctly updated by calling setfsuid(-1) which will always fail but
> will return the previous filesystem user ID.
>
> Signed-off-by: Avinesh Kumar <akumar@suse.de>
> ---
>  .../kernel/syscalls/setfsuid/setfsuid01.c     | 96 ++++++-------------
>  1 file changed, 27 insertions(+), 69 deletions(-)
>
> diff --git a/testcases/kernel/syscalls/setfsuid/setfsuid01.c b/testcases/kernel/syscalls/setfsuid/setfsuid01.c
> index 63f9f5dd8..0cbf101ee 100644
> --- a/testcases/kernel/syscalls/setfsuid/setfsuid01.c
> +++ b/testcases/kernel/syscalls/setfsuid/setfsuid01.c
> @@ -1,87 +1,45 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
>  /*
>   * Copyright (c) International Business Machines  Corp., 2001
>   * Ported by Wayne Boyer
> - *
> - * 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 2 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, write to the Free Software
> - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
> + * Copyright (c) 2022 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
>   */
>  
> -/*
> - * Testcase to test the basic functionality of the setfsuid(2) system call.
> +/*\
> + * [Description]
> + *
> + * Verify that setfsuid() correctly updates the filesystem user ID
> + * to the value given in fsuid argument.
>   */
>  
> -#include <sys/types.h>
> -#include <sys/fsuid.h>
> -#include <stdio.h>
> -#include <unistd.h>
> -#include <errno.h>
> +#include <pwd.h>
> +#include "tst_test.h"
> +#include "compat_tst_16.h"
>  
> -#include "test.h"
> -#include "compat_16.h"
> +static uid_t nobody_uid;
>  
> -static void setup(void);
> -static void cleanup(void);
> +static void setup(void)
> +{
> +	struct passwd *nobody;
>  
> -TCID_DEFINE(setfsuid01);
> -int TST_TOTAL = 1;
> +	nobody = SAFE_GETPWNAM("nobody");
> +	nobody_uid = nobody->pw_uid;
> +}
>  
> -int main(int ac, char **av)
> +static void run(void)
>  {
> -	int lc;
> -
>  	uid_t uid;
>  
> -	tst_parse_opts(ac, av, NULL, NULL);
> -
> -	setup();
> -
>  	uid = geteuid();
> -	UID16_CHECK(uid, setfsuid, cleanup);
> -
> -	for (lc = 0; TEST_LOOPING(lc); lc++) {
> +	UID16_CHECK(uid, setfsuid);
>  
> -		tst_count = 0;
> -
> -		TEST(SETFSUID(cleanup, uid));
> -
> -		if (TEST_RETURN == -1) {
> -			tst_resm(TFAIL | TTERRNO,
> -				"setfsuid() failed unexpectedly");
> -			continue;
> -		}
> -
> -		if (TEST_RETURN != uid) {
> -			tst_resm(TFAIL, "setfsuid() returned %ld, expected %d",
> -				 TEST_RETURN, uid);
> -		} else {
> -			tst_resm(TPASS,
> -				"setfsuid() returned expected value : %ld",
> -				TEST_RETURN);
> -		}
> -	}
> -
> -	cleanup();
> -	tst_exit();
> +	SAFE_SETEUID(0);
> +	TST_EXP_VAL(setfsuid(nobody_uid), uid, "setfsuid(%d)", nobody_uid);
> +	TST_EXP_VAL(setfsuid(-1), nobody_uid);
>  }
>  
> -static void setup(void)
> -{
> -	tst_sig(NOFORK, DEF_HANDLER, cleanup);
> -
> -	TEST_PAUSE;
> -}
> -
> -static void cleanup(void)
> -{
> -}
> +static struct tst_test test = {
> +	.setup = setup,
> +	.test_all = run,
> +	.needs_root = 1
> +};
> -- 
> 2.37.1


-- 
Thank you,
Richard.