96 lines
2.1 KiB
C
96 lines
2.1 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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* Ported to LTP: Wayne Boyer
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*/
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/*
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* DESCRIPTION
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* check mkdir() with various error conditions that should produce
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* EFAULT, ENAMETOOLONG, EEXIST, ENOENT, ENOTDIR, ELOOP and EROFS
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*/
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <sys/mount.h>
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#include "tst_test.h"
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#define TST_EEXIST "tst_eexist"
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#define TST_ENOENT "tst_enoent/tst"
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#define TST_ENOTDIR_FILE "tst_enotdir"
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#define TST_ENOTDIR_DIR "tst_enotdir/tst"
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#define MODE 0777
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#define MNT_POINT "mntpoint"
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#define DIR_MODE (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP| \
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S_IXGRP|S_IROTH|S_IXOTH)
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#define TST_EROFS "mntpoint/tst_erofs"
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static char long_dir[PATH_MAX + 2] = {[0 ... PATH_MAX + 1] = 'a'};
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static char loop_dir[PATH_MAX] = ".";
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struct tcase;
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static struct tcase {
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char *pathname;
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int exp_errno;
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} TC[] = {
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{NULL, EFAULT},
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{long_dir, ENAMETOOLONG},
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{TST_EEXIST, EEXIST},
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{TST_ENOENT, ENOENT},
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{TST_ENOTDIR_DIR, ENOTDIR},
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{loop_dir, ELOOP},
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{TST_EROFS, EROFS},
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};
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static void verify_mkdir(unsigned int n)
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{
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struct tcase *tc = TC + n;
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TEST(mkdir(tc->pathname, MODE));
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if (TST_RET != -1) {
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tst_res(TFAIL, "mkdir() returned %ld, expected -1, errno=%d",
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TST_RET, tc->exp_errno);
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return;
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}
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if (TST_ERR == tc->exp_errno) {
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tst_res(TPASS | TTERRNO, "mkdir() failed as expected");
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} else {
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tst_res(TFAIL | TTERRNO,
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"mkdir() failed unexpectedly; expected: %d - %s",
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tc->exp_errno, strerror(tc->exp_errno));
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}
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}
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static void setup(void)
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{
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unsigned int i;
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SAFE_TOUCH(TST_EEXIST, MODE, NULL);
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SAFE_TOUCH(TST_ENOTDIR_FILE, MODE, NULL);
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for (i = 0; i < ARRAY_SIZE(TC); i++) {
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if (TC[i].exp_errno == EFAULT)
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TC[i].pathname = tst_get_bad_addr(NULL);
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}
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SAFE_MKDIR("test_eloop", DIR_MODE);
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SAFE_SYMLINK("../test_eloop", "test_eloop/test_eloop");
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for (i = 0; i < 43; i++)
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strcat(loop_dir, "/test_eloop");
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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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.needs_root = 1,
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.needs_rofs = 1,
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.mntpoint = MNT_POINT,
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.setup = setup,
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.test = verify_mkdir,
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};
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