78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2001
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* 07/2001 Ported by Wayne Boyer
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*/
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/*\
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* [Description]
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*
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* Verify that, chmod(2) will succeed to change the mode of a file or directory
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* and set the sticky bit on it if invoked by non-root (uid != 0)
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* process with the following constraints:
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*
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* - the process is the owner of the file or directory.
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* - the effective group ID or one of the supplementary group ID's of the
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* process is equal to the group ID of the file or directory.
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*/
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#include <pwd.h>
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#include "tst_test.h"
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#define FILE_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH
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#define DIR_MODE S_IRWXU | S_IRWXG | S_IRWXO
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#define PERMS 01777
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#define TESTFILE "testfile"
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#define TESTDIR "testdir_3"
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static struct tcase {
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char *name;
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char *desc;
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} tcases[] = {
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{TESTFILE, "verify permissions of file"},
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{TESTDIR, "verify permissions of directory"},
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};
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static void verify_chmod(unsigned int n)
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{
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struct stat stat_buf;
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struct tcase *tc = &tcases[n];
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TST_EXP_PASS(chmod(tc->name, PERMS), "chmod(%s, %04o)",
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tc->name, PERMS);
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if (!TST_PASS)
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return;
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SAFE_STAT(tc->name, &stat_buf);
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if ((stat_buf.st_mode & PERMS) != PERMS) {
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tst_res(TFAIL, "stat(%s) mode=%04o",
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tc->name, stat_buf.st_mode);
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} else {
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tst_res(TPASS, "stat(%s) mode=%04o",
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tc->name, stat_buf.st_mode);
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}
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}
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static void setup(void)
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{
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char nobody_uid[] = "nobody";
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struct passwd *ltpuser;
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ltpuser = SAFE_GETPWNAM(nobody_uid);
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SAFE_SETEUID(ltpuser->pw_uid);
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SAFE_TOUCH(TESTFILE, FILE_MODE, NULL);
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SAFE_MKDIR(TESTDIR, DIR_MODE);
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}
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static struct tst_test test = {
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.setup = setup,
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.tcnt = ARRAY_SIZE(tcases),
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.test = verify_chmod,
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.needs_root = 1,
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.needs_tmpdir = 1,
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};
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