| /* |
| * 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 |
| */ |
| |
| /* |
| * DESCRIPTION |
| * Testcase to check creat(2) sets the following errnos correctly: |
| * 1. EISDIR |
| * 2. ENAMETOOLONG |
| * 3. ENOENT |
| * 4. ENOTDIR |
| * 5. EFAULT |
| * 6. EACCES |
| * 7. ELOOP |
| * 8. EROFS |
| * |
| * |
| * ALGORITHM |
| * 1. Attempt to creat(2) an existing directory, and test for |
| * EISDIR |
| * 2. Attempt to creat(2) a file whose name is more than |
| * VFS_MAXNAMLEN and test for ENAMETOOLONG. |
| * 3. Attempt to creat(2) a file inside a directory which doesn't |
| * exist, and test for ENOENT |
| * 4. Attempt to creat(2) a file, the pathname of which comprises |
| * a component which is a file, test for ENOTDIR. |
| * 5. Attempt to creat(2) a file with a bad address |
| * and test for EFAULT |
| * 6. Attempt to creat(2) a file in a directory with no |
| * execute permission and test for EACCES |
| * 7. Attempt to creat(2) a file which links the other file that |
| * links the former and test for ELOOP |
| * 8. Attempt to creat(2) a file in a Read-only file system |
| * and test for EROFS |
| */ |
| |
| #include <stdio.h> |
| #include <errno.h> |
| #include <string.h> |
| #include <pwd.h> |
| #include <sys/mman.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <sys/mount.h> |
| #include "test.h" |
| #include "safe_macros.h" |
| |
| #define TEST_FILE "test_dir" |
| #define NO_DIR "testfile/testdir" |
| #define NOT_DIR "file1/testdir" |
| #define TEST6_FILE "dir6/file6" |
| #define TEST7_FILE "file7" |
| #define TEST8_FILE "mntpoint/tmp" |
| |
| #define MODE1 0444 |
| #define MODE2 0666 |
| |
| static void setup(void); |
| static void cleanup(void); |
| static void test6_setup(void); |
| static void test6_cleanup(void); |
| #if !defined(UCLINUX) |
| static void bad_addr_setup(int); |
| #endif |
| |
| static char long_name[PATH_MAX+2]; |
| static const char *device; |
| static int mount_flag; |
| |
| static struct test_case_t { |
| char *fname; |
| int mode; |
| int error; |
| void (*setup)(); |
| void (*cleanup)(void); |
| } TC[] = { |
| {TEST_FILE, MODE1, EISDIR, NULL, NULL}, |
| {long_name, MODE1, ENAMETOOLONG, NULL, NULL}, |
| {NO_DIR, MODE1, ENOENT, NULL, NULL}, |
| {NOT_DIR, MODE1, ENOTDIR, NULL, NULL}, |
| #if !defined(UCLINUX) |
| {NULL, MODE1, EFAULT, bad_addr_setup, NULL}, |
| #endif |
| {TEST6_FILE, MODE1, EACCES, test6_setup, test6_cleanup}, |
| {TEST7_FILE, MODE1, ELOOP, NULL, NULL}, |
| {TEST8_FILE, MODE1, EROFS, NULL, NULL}, |
| }; |
| |
| char *TCID = "creat06"; |
| int TST_TOTAL = ARRAY_SIZE(TC); |
| static struct passwd *ltpuser; |
| |
| int main(int ac, char **av) |
| { |
| int lc; |
| const char *msg; |
| int i; |
| |
| msg = parse_opts(ac, av, NULL, NULL); |
| if (msg != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| |
| tst_count = 0; |
| |
| for (i = 0; i < TST_TOTAL; i++) { |
| |
| if (TC[i].setup != NULL) |
| TC[i].setup(i); |
| |
| TEST(creat(TC[i].fname, TC[i].mode)); |
| |
| if (TC[i].cleanup != NULL) |
| TC[i].cleanup(); |
| |
| if (TEST_RETURN != -1) { |
| tst_resm(TFAIL, "call succeeded unexpectedly"); |
| continue; |
| } |
| |
| if (TEST_ERRNO == TC[i].error) { |
| tst_resm(TPASS | TTERRNO, |
| "got expected failure"); |
| } else { |
| tst_resm(TFAIL | TTERRNO, "wanted errno %d", |
| TC[i].error); |
| } |
| } |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| const char *fs_type; |
| |
| tst_require_root(NULL); |
| |
| ltpuser = SAFE_GETPWNAM(cleanup, "nobody"); |
| |
| tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| |
| TEST_PAUSE; |
| |
| tst_tmpdir(); |
| |
| fs_type = tst_dev_fs_type(); |
| device = tst_acquire_device(cleanup); |
| |
| if (!device) |
| tst_brkm(TCONF, cleanup, "Failed to acquire device"); |
| |
| SAFE_MKDIR(cleanup, TEST_FILE, MODE2); |
| |
| memset(long_name, 'a', PATH_MAX+1); |
| |
| SAFE_TOUCH(cleanup, "file1", MODE1, NULL); |
| |
| SAFE_MKDIR(cleanup, "dir6", MODE2); |
| |
| SAFE_SYMLINK(cleanup, TEST7_FILE, "test_file_eloop2"); |
| SAFE_SYMLINK(cleanup, "test_file_eloop2", TEST7_FILE); |
| |
| tst_mkfs(cleanup, device, fs_type, NULL); |
| SAFE_MKDIR(cleanup, "mntpoint", 0777); |
| if (mount(device, "mntpoint", fs_type, MS_RDONLY, NULL) < 0) { |
| tst_brkm(TBROK | TERRNO, cleanup, |
| "mount device:%s failed", device); |
| } |
| mount_flag = 1; |
| } |
| |
| #if !defined(UCLINUX) |
| static void bad_addr_setup(int i) |
| { |
| TC[i].fname = SAFE_MMAP(cleanup, 0, 1, PROT_NONE, |
| MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
| } |
| #endif |
| |
| static void test6_setup(void) |
| { |
| SAFE_SETEUID(cleanup, ltpuser->pw_uid); |
| } |
| |
| static void test6_cleanup(void) |
| { |
| SAFE_SETEUID(cleanup, 0); |
| } |
| |
| static void cleanup(void) |
| { |
| if (mount_flag && tst_umount("mntpoint") < 0) { |
| tst_brkm(TBROK | TERRNO, NULL, |
| "umount device:%s failed", device); |
| } |
| |
| if (device) |
| tst_release_device(NULL, device); |
| |
| tst_rmdir(); |
| } |