| /* |
| * Copyright (c) International Business Machines Corp., 2001 |
| * 07/2001 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 |
| * check mkdir() with various error conditions that should produce |
| * EFAULT, ENAMETOOLONG, EEXIST, ENOENT, ENOTDIR, ELOOP and EROFS |
| */ |
| |
| #include <errno.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/mman.h> |
| #include <fcntl.h> |
| #include <sys/mount.h> |
| |
| #include "test.h" |
| #include "safe_macros.h" |
| |
| static void setup(void); |
| struct test_case_t; |
| static void mkdir_verify(struct test_case_t *tc); |
| static void bad_addr_setup(struct test_case_t *tc); |
| static void cleanup(void); |
| static int mount_flag; |
| |
| #define TST_EEXIST "tst_eexist" |
| #define TST_ENOENT "tst_enoent/tst" |
| #define TST_ENOTDIR "tst_enotdir/tst" |
| #define MODE 0777 |
| |
| #define MNT_POINT "mntpoint" |
| #define DIR_MODE (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP| \ |
| S_IXGRP|S_IROTH|S_IXOTH) |
| #define TST_EROFS "mntpoint/tst_erofs" |
| |
| char *TCID = "mkdir03"; |
| |
| static char long_dir[PATH_MAX+2]; |
| static char loop_dir[PATH_MAX] = "."; |
| static const char *device; |
| |
| static struct test_case_t { |
| char *pathname; |
| int mode; |
| int exp_errno; |
| void (*setupfunc) (struct test_case_t *tc); |
| } TC[] = { |
| #if !defined(UCLINUX) |
| {NULL, MODE, EFAULT, bad_addr_setup}, |
| #endif |
| {long_dir, MODE, ENAMETOOLONG, NULL}, |
| {TST_EEXIST, MODE, EEXIST, NULL}, |
| {TST_ENOENT, MODE, ENOENT, NULL}, |
| {TST_ENOTDIR, MODE, ENOTDIR, NULL}, |
| {loop_dir, MODE, ELOOP, NULL}, |
| {TST_EROFS, MODE, EROFS, NULL}, |
| }; |
| |
| int TST_TOTAL = ARRAY_SIZE(TC); |
| |
| int main(int ac, char **av) |
| { |
| int i, lc; |
| const char *msg; |
| |
| 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++) |
| mkdir_verify(&TC[i]); |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| int i; |
| const char *fs_type; |
| |
| tst_require_root(NULL); |
| |
| 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"); |
| |
| memset(long_dir, 'a', PATH_MAX+1); |
| |
| SAFE_TOUCH(cleanup, TST_EEXIST, MODE, NULL); |
| |
| SAFE_TOUCH(cleanup, "tst_enotdir", MODE, NULL); |
| |
| SAFE_MKDIR(cleanup, "test_eloop", DIR_MODE); |
| SAFE_SYMLINK(cleanup, "../test_eloop", "test_eloop/test_eloop"); |
| for (i = 0; i < 43; i++) |
| strcat(loop_dir, "/test_eloop"); |
| |
| tst_mkfs(cleanup, device, fs_type, NULL); |
| SAFE_MKDIR(cleanup, MNT_POINT, DIR_MODE); |
| if (mount(device, MNT_POINT, 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(struct test_case_t *tc) |
| { |
| tc->pathname = SAFE_MMAP(cleanup, 0, 1, PROT_NONE, |
| MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
| } |
| #endif |
| |
| static void mkdir_verify(struct test_case_t *tc) |
| { |
| if (tc->setupfunc != NULL) |
| tc->setupfunc(tc); |
| |
| TEST(mkdir(tc->pathname, tc->mode)); |
| |
| if (TEST_RETURN != -1) { |
| tst_resm(TFAIL, "mkdir() returned %ld, expected -1, errno=%d", |
| TEST_RETURN, tc->exp_errno); |
| return; |
| } |
| |
| if (TEST_ERRNO == tc->exp_errno) { |
| tst_resm(TPASS | TTERRNO, "mkdir() failed as expected"); |
| } else { |
| tst_resm(TFAIL | TTERRNO, |
| "mkdir() failed unexpectedly; expected: %d - %s", |
| tc->exp_errno, strerror(tc->exp_errno)); |
| } |
| } |
| |
| static void cleanup(void) |
| { |
| if (mount_flag && tst_umount(MNT_POINT) < 0) |
| tst_resm(TWARN | TERRNO, "umount device:%s failed", device); |
| |
| if (device) |
| tst_release_device(NULL, device); |
| |
| tst_rmdir(); |
| } |