103 lines
2.2 KiB
C
103 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/* Copyright (c) International Business Machines Corp., 2001
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* 07/2001 John George
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* -Ported
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*
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* Verify that, stat(2) succeeds to get the status of a file and fills the
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* stat structure elements regardless of whether process has or doesn't
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* have read access to the file.
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*/
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#include <sys/types.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <pwd.h>
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#include "tst_test.h"
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#define FILE_SIZE 1024
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#define TST_FILEREAD "test_fileread"
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#define TST_FILENOREAD "test_filenoread"
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#define READ_MODE 0666
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#define NEW_MODE 0222
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#define MASK 0777
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uid_t user_id;
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gid_t group_id;
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struct passwd *ltpuser;
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static struct tcase{
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char *pathname;
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unsigned int mode;
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} TC[] = {
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{TST_FILEREAD, READ_MODE},
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{TST_FILENOREAD, NEW_MODE}
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};
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static void verify_stat(unsigned int n)
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{
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struct tcase *tc = TC + n;
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struct stat stat_buf;
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int fail = 0;
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TEST(stat(tc->pathname, &stat_buf));
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if (TST_RET == -1) {
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tst_res(TFAIL | TTERRNO, "stat(%s) failed", tc->pathname);
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return;
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}
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if (stat_buf.st_uid != user_id) {
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tst_res(TFAIL, "stat_buf.st_uid = %i expected %i",
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stat_buf.st_uid, user_id);
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fail++;
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}
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if (stat_buf.st_gid != group_id) {
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tst_res(TFAIL, "stat_buf.st_gid = %i expected %i",
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stat_buf.st_gid, group_id);
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fail++;
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}
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if (stat_buf.st_size != FILE_SIZE) {
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tst_res(TFAIL, "stat_buf.st_size = %li expected %i",
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(long)stat_buf.st_size, FILE_SIZE);
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fail++;
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}
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if ((stat_buf.st_mode & MASK) != tc->mode) {
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tst_res(TFAIL, "stat_buf.st_mode = %o expected %o",
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(stat_buf.st_mode & MASK), tc->mode);
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fail++;
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}
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if (!fail)
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tst_res(TPASS, "stat(%s)", tc->pathname);
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}
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void setup(void)
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{
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unsigned int i;
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ltpuser = SAFE_GETPWNAM("nobody");
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SAFE_SETUID(ltpuser->pw_uid);
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for (i = 0; i < ARRAY_SIZE(TC); i++) {
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if (tst_fill_file(TC[i].pathname, 'a', 256, 4))
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tst_brk(TBROK, "Failed to create tst file %s",
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TC[i].pathname);
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SAFE_CHMOD(TC[i].pathname, TC[i].mode);
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}
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user_id = getuid();
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group_id = getgid();
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}
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(TC),
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.setup = setup,
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.test = verify_stat,
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.needs_root = 1,
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.needs_tmpdir = 1,
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};
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