[LTP] [PATCH 1/2] fchownat01: Convert to new API

Li Wang liwang@redhat.com
Thu Feb 29 10:16:33 CET 2024


Hi Shiyang,

On Fri, Jan 26, 2024 at 2:26 PM Shiyang Ruan <ruansy.fnst@fujitsu.com>
wrote:

> Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
> ---
>  .../kernel/syscalls/fchownat/fchownat01.c     | 154 ++++++------------
>  1 file changed, 49 insertions(+), 105 deletions(-)
>
> diff --git a/testcases/kernel/syscalls/fchownat/fchownat01.c
> b/testcases/kernel/syscalls/fchownat/fchownat01.c
> index 7771c111a..1a5b66d99 100644
> --- a/testcases/kernel/syscalls/fchownat/fchownat01.c
> +++ b/testcases/kernel/syscalls/fchownat/fchownat01.c
> @@ -1,133 +1,77 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
>  /*
> - *   Copyright (c) International Business Machines  Corp., 2006
> - *   AUTHOR: Yi Yang <yyangcdl@cn.ibm.com>
> - *
> - *   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) International Business Machines  Corp., 2006
> + * Copyright (c) Linux Test Project, 2007-2024
>   */
> -/*
> - * DESCRIPTION
> - *     This test case will verify basic function of fchownat
> - *     added by kernel 2.6.16 or up.
> +
> +/*\
> + * [Description]
> + *
> + * Verify basic function of fchownat() added by kernel 2.6.16 or up.
>   */
>
>  #define _GNU_SOURCE
> -
> -#include <sys/types.h>
> -#include <sys/stat.h>
> -#include <unistd.h>
> -#include <stdlib.h>
> -#include <errno.h>
> -#include <string.h>
> -#include <signal.h>
> -
> -#include "test.h"
> -#include "safe_macros.h"
> -#include "lapi/fcntl.h"
> +#include "tst_test.h"
>
>  #define TESTFILE       "testfile"
> -
> -static void setup(void);
> -static void cleanup(void);
> +#define TESTFILE2      "testfile2"
>
>  static int dir_fd;
>  static int fd;
>  static int no_fd = -1;
>  static int cu_fd = AT_FDCWD;
>
> -static struct test_case_t {
> +static struct tcase {
>         int exp_ret;
>         int exp_errno;
>         int flag;
> -       int *fds;
> -       char *filenames;
> -} test_cases[] = {
> -       {0, 0, 0, &dir_fd, TESTFILE},
> -       {-1, ENOTDIR, 0, &fd, TESTFILE},
> -       {-1, EBADF, 0, &no_fd, TESTFILE},
> -       {-1, EINVAL, 9999, &dir_fd, TESTFILE},
> -       {0, 0, 0, &cu_fd, TESTFILE},
> +       int *fd;
> +       char *filename;
> +} tcases[] = {
> +       { 0, 0, 0, &dir_fd, TESTFILE },
> +       { 0, 0, 0, &cu_fd, TESTFILE },
>


> +       { -1, ENOTDIR, 0, &fd, TESTFILE },
> +       { -1, EBADF, 0, &no_fd, TESTFILE },
> +       { -1, EINVAL, 9999, &dir_fd, TESTFILE },
>


We typically divide the error test into a separate test file.
Then it could be easy to add more error items.



>  };
>
> -char *TCID = "fchownat01";
> -int TST_TOTAL = ARRAY_SIZE(test_cases);
> -static void fchownat_verify(const struct test_case_t *);
> -
> -int main(int ac, char **av)
> +static void fchownat_verify(unsigned int n)
>  {
> -       int lc;
> -       int i;
> -
> -       tst_parse_opts(ac, av, NULL, NULL);
> -
> -       setup();
> -
> -       for (lc = 0; TEST_LOOPING(lc); lc++) {
> -               tst_count = 0;
> -               for (i = 0; i < TST_TOTAL; i++)
> -                       fchownat_verify(&test_cases[i]);
> -       }
> -
> -       cleanup();
> -       tst_exit();
> +       struct tcase *tc = &tcases[n];
> +       uid_t euid = geteuid();
> +       gid_t egid = getegid();
> +       int fd = *tc->fd;
> +       int flag = tc->flag;
> +       const char *filename = tc->filename;
> +
> +       if (tc->exp_ret == 0)
> +               TST_EXP_PASS(fchownat(fd, filename, euid, egid, flag),
> +                            "fchownat(%d, %s, %d, %d, %d)",
> +                            fd, filename, euid, egid, flag);
>

Can we please check the file's ownership changed successfully?



> +       else
> +               TST_EXP_FAIL(fchownat(fd, filename, euid, egid, flag),
> +                            tc->exp_errno,
> +                            "fchownat(%d, %s, %d, %d, %d)",
> +                            fd, filename, euid, egid, flag);
>  }
>
>  static void setup(void)
>  {
> -       tst_sig(NOFORK, DEF_HANDLER, cleanup);
> -
> -       TEST_PAUSE;
> -
> -       tst_tmpdir();
> -
> -       dir_fd = SAFE_OPEN(cleanup, "./", O_DIRECTORY);
> -
> -       SAFE_TOUCH(cleanup, TESTFILE, 0600, NULL);
> -
> -       fd = SAFE_OPEN(cleanup, "testfile2", O_CREAT | O_RDWR, 0600);
> -}
> -
> -static void fchownat_verify(const struct test_case_t *test)
> -{
> -       TEST(fchownat(*(test->fds), test->filenames, geteuid(),
> -                     getegid(), test->flag));
> -
> -       if (TEST_RETURN != test->exp_ret) {
> -               tst_resm(TFAIL | TTERRNO,
> -                        "fchownat() returned %ld, expected %d, errno=%d",
> -                        TEST_RETURN, test->exp_ret, test->exp_errno);
> -               return;
> -       }
> -
> -       if (TEST_ERRNO == test->exp_errno) {
> -               tst_resm(TPASS | TTERRNO,
> -                        "fchownat() returned the expected errno %d: %s",
> -                        test->exp_ret, strerror(test->exp_errno));
> -       } else {
> -               tst_resm(TFAIL | TTERRNO,
> -                        "fchownat() failed unexpectedly; expected: %d -
> %s",
> -                        test->exp_errno, strerror(test->exp_errno));
> -       }
> +       dir_fd = SAFE_OPEN("./", O_DIRECTORY);
> +       SAFE_TOUCH(TESTFILE, 0600, NULL);
> +       fd = SAFE_OPEN(TESTFILE2, O_CREAT | O_RDWR, 0600);
>  }
>
>  static void cleanup(void)
>  {
> -       if (fd > 0)
> -               close(fd);
> -
> -       if (dir_fd > 0)
> -               close(dir_fd);
> -
> -       tst_rmdir();
> +       SAFE_CLOSE(fd);
> +       SAFE_CLOSE(dir_fd);
>  }
> +
> +static struct tst_test test = {
> +       .needs_tmpdir = 1,
> +       .test = fchownat_verify,
> +       .tcnt = ARRAY_SIZE(tcases),
> +       .setup = setup,
> +       .cleanup = cleanup,
> +};
> --
> 2.34.1
>
>
> --
> Mailing list info: https://lists.linux.it/listinfo/ltp
>
>

-- 
Regards,
Li Wang


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