106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
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// 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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/*\
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* [Description]
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*
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* Tests for failures:
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*
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* - ENOTDIR A component of the pathname, which is not a directory.
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* - ENOENT A filename which doesn't exist.
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* - ENAMETOOLONG A pathname which is longer than MAXNAMLEN.
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* - EFAULT A pathname pointer outside the address space of the process.
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* - EFAULT A buf pointer outside the address space of the process.
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* - ELOOP A filename which has too many symbolic links.
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <sys/statfs.h>
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#include <sys/wait.h>
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#include "tst_test.h"
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#include "tst_safe_macros.h"
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#define TEST_FILE "statfs_file"
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#define TEST_FILE1 TEST_FILE"/statfs_file1"
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#define TEST_NOEXIST "statfs_noexist"
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#define TEST_SYMLINK "statfs_symlink"
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static int fd;
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static char test_toolong[PATH_MAX+2];
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static struct statfs buf;
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static struct test_case_t {
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char *path;
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struct statfs *buf;
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int exp_error;
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} tests[] = {
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{TEST_FILE1, &buf, ENOTDIR},
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{TEST_NOEXIST, &buf, ENOENT},
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{test_toolong, &buf, ENAMETOOLONG},
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{(char *)-1, &buf, EFAULT},
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{TEST_FILE, (struct statfs *)-1, EFAULT},
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{TEST_SYMLINK, &buf, ELOOP},
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};
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static void statfs_verify(unsigned int n)
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{
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int pid, status;
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pid = SAFE_FORK();
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if (!pid) {
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TST_EXP_FAIL(statfs(tests[n].path, tests[n].buf), tests[n].exp_error, "statfs()");
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exit(0);
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}
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SAFE_WAITPID(pid, &status, 0);
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if (WIFEXITED(status) && WEXITSTATUS(status) == 0)
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return;
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if (tests[n].exp_error == EFAULT &&
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WIFSIGNALED(status) && WTERMSIG(status) == SIGSEGV) {
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tst_res(TPASS, "Got SIGSEGV instead of EFAULT");
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return;
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}
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tst_res(TFAIL, "Child %s", tst_strstatus(status));
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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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fd = SAFE_CREAT(TEST_FILE, 0444);
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memset(test_toolong, 'a', PATH_MAX+1);
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for (i = 0; i < ARRAY_SIZE(tests); i++) {
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if (tests[i].path == (char *)-1)
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tests[i].path = tst_get_bad_addr(NULL);
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}
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SAFE_SYMLINK(TEST_SYMLINK, "statfs_symlink_2");
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SAFE_SYMLINK("statfs_symlink_2", TEST_SYMLINK);
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}
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static void cleanup(void)
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{
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if (fd > 0)
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close(fd);
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}
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static struct tst_test test = {
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.test = statfs_verify,
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.tcnt = ARRAY_SIZE(tests),
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.setup = setup,
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.cleanup = cleanup,
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.needs_tmpdir = 1,
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.forks_child = 1,
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};
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