123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 2014 Fujitsu Ltd.
|
|
* Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
|
|
*
|
|
* 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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
*/
|
|
/*
|
|
* Test Description:
|
|
* Verify that,
|
|
* 1. bufsiz is 0, EINVAL should be returned.
|
|
* 2. The named file is not a symbolic link, EINVAL should be returned.
|
|
* 3. The component of the path prefix is not a directory, ENOTDIR should be
|
|
* returned.
|
|
* 4. pathname is relative and dirfd is a file descriptor referring to a file
|
|
* other than a directory, ENOTDIR should be returned.
|
|
*/
|
|
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
#include "test.h"
|
|
#include "safe_macros.h"
|
|
#include "lapi/readlinkat.h"
|
|
#include "lapi/syscalls.h"
|
|
|
|
#define TEST_FILE "test_file"
|
|
#define SYMLINK_FILE "symlink_file"
|
|
#define BUFF_SIZE 256
|
|
|
|
static int file_fd, dir_fd;
|
|
|
|
static struct test_case_t {
|
|
int *dirfd;
|
|
const char *pathname;
|
|
size_t bufsiz;
|
|
int exp_errno;
|
|
} test_cases[] = {
|
|
{&dir_fd, SYMLINK_FILE, 0, EINVAL},
|
|
{&dir_fd, TEST_FILE, BUFF_SIZE, EINVAL},
|
|
{&file_fd, SYMLINK_FILE, BUFF_SIZE, ENOTDIR},
|
|
{&dir_fd, "test_file/test_file", BUFF_SIZE, ENOTDIR},
|
|
};
|
|
|
|
char *TCID = "readlinkat02";
|
|
int TST_TOTAL = ARRAY_SIZE(test_cases);
|
|
static void setup(void);
|
|
static void cleanup(void);
|
|
static void readlinkat_verify(const struct test_case_t *);
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int i, lc;
|
|
|
|
tst_parse_opts(argc, argv, NULL, NULL);
|
|
|
|
setup();
|
|
|
|
for (lc = 0; TEST_LOOPING(lc); lc++) {
|
|
tst_count = 0;
|
|
for (i = 0; i < TST_TOTAL; i++)
|
|
readlinkat_verify(&test_cases[i]);
|
|
}
|
|
|
|
cleanup();
|
|
tst_exit();
|
|
}
|
|
|
|
static void setup(void)
|
|
{
|
|
tst_sig(NOFORK, DEF_HANDLER, cleanup);
|
|
|
|
TEST_PAUSE;
|
|
|
|
tst_tmpdir();
|
|
|
|
dir_fd = SAFE_OPEN(cleanup, "./", O_RDONLY);
|
|
|
|
file_fd = SAFE_OPEN(cleanup, TEST_FILE, O_RDWR | O_CREAT, 0644);
|
|
|
|
SAFE_SYMLINK(cleanup, TEST_FILE, SYMLINK_FILE);
|
|
}
|
|
|
|
static void readlinkat_verify(const struct test_case_t *test)
|
|
{
|
|
char buf[BUFF_SIZE];
|
|
TEST(readlinkat(*test->dirfd, test->pathname, buf, test->bufsiz));
|
|
|
|
if (TEST_RETURN != -1) {
|
|
tst_resm(TFAIL, "readlinkat succeeded unexpectedly");
|
|
return;
|
|
}
|
|
|
|
if (TEST_ERRNO == test->exp_errno) {
|
|
tst_resm(TPASS | TTERRNO, "readlinkat failed as expected");
|
|
} else {
|
|
tst_resm(TFAIL | TTERRNO,
|
|
"readlinkat failed unexpectedly; expected: %d - %s",
|
|
test->exp_errno, strerror(test->exp_errno));
|
|
}
|
|
}
|
|
|
|
static void cleanup(void)
|
|
{
|
|
close(dir_fd);
|
|
close(file_fd);
|
|
|
|
tst_rmdir();
|
|
}
|