109 lines
2.6 KiB
C
109 lines
2.6 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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* Ported to LTP: Wayne Boyer
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*/
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/*
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* Description:
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* 1) attempt to rmdir() non-empty directory -> ENOTEMPTY
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* 2) attempt to rmdir() directory with long path name -> ENAMETOOLONG
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* 3) attempt to rmdir() non-existing directory -> ENOENT
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* 4) attempt to rmdir() a file -> ENOTDIR
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* 5) attempt to rmdir() invalid pointer -> EFAULT
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* 6) attempt to rmdir() symlink loop -> ELOOP
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* 7) attempt to rmdir() dir on RO mounted FS -> EROFS
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* 8) attempt to rmdir() mount point -> EBUSY
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* 9) attempt to rmdir() current directory "." -> EINVAL
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*/
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#include <errno.h>
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#include "tst_test.h"
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#define DIR_MODE (S_IRWXU | S_IRWXG | S_IRWXO)
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#define FILE_MODE (S_IRWXU | S_IRWXG | S_IRWXO)
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#define TESTDIR "testdir"
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#define TESTDIR2 "nosuchdir/testdir2"
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#define TESTDIR3 "testfile2/testdir3"
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#define TESTDIR4 "/loopdir"
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#define MNT_POINT "mntpoint"
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#define TESTDIR5 "mntpoint/dir"
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#define TESTFILE "testdir/testfile"
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#define TESTFILE2 "testfile2"
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static char longpathname[PATH_MAX + 2];
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static char looppathname[sizeof(TESTDIR4) * 43] = ".";
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static struct testcase {
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char *dir;
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int exp_errno;
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} tcases[] = {
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{TESTDIR, ENOTEMPTY},
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{longpathname, ENAMETOOLONG},
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{TESTDIR2, ENOENT},
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{TESTDIR3, ENOTDIR},
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{NULL, EFAULT},
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{looppathname, ELOOP},
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{TESTDIR5, EROFS},
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{MNT_POINT, EBUSY},
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{".", EINVAL}
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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_MKDIR(TESTDIR, DIR_MODE);
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SAFE_TOUCH(TESTFILE, FILE_MODE, NULL);
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memset(longpathname, 'a', PATH_MAX + 1);
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SAFE_TOUCH(TESTFILE2, FILE_MODE, NULL);
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for (i = 0; i < ARRAY_SIZE(tcases); i++) {
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if (!tcases[i].dir)
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tcases[i].dir = tst_get_bad_addr(NULL);
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}
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/*
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* NOTE: the ELOOP test is written based on that the
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* consecutive symlinks limit in kernel is hardwired
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* to 40.
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*/
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SAFE_MKDIR("loopdir", DIR_MODE);
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SAFE_SYMLINK("../loopdir", "loopdir/loopdir");
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for (i = 0; i < 43; i++)
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strcat(looppathname, TESTDIR4);
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}
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static void verify_rmdir(unsigned int n)
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{
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struct testcase *tc = &tcases[n];
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TEST(rmdir(tc->dir));
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if (TST_RET != -1) {
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tst_res(TFAIL, "rmdir() succeeded unexpectedly (%li)",
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TST_RET);
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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, "rmdir() failed as expected");
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return;
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}
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tst_res(TFAIL | TTERRNO,
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"rmdir() failed unexpectedly; expected: %d - %s",
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tc->exp_errno, tst_strerrno(tc->exp_errno));
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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_rmdir,
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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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};
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