| /****************************************************************************** |
| * |
| * Copyright (c) International Business Machines Corp., 2006 |
| * |
| * 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 |
| * |
| * NAME |
| * unlinkat01.c |
| * |
| * DESCRIPTION |
| * This test case will verify basic function of unlinkat |
| * added by kernel 2.6.16 or up. |
| * |
| * Author |
| * Yi Yang <yyangcdl@cn.ibm.com> |
| * |
| * History |
| * 08/24/2006 Created first by Yi Yang <yyangcdl@cn.ibm.com> |
| * |
| *****************************************************************************/ |
| |
| #define _GNU_SOURCE |
| |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/time.h> |
| #include <fcntl.h> |
| #include <error.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include <string.h> |
| #include <signal.h> |
| #include "test.h" |
| #include "usctest.h" |
| #include "linux_syscall_numbers.h" |
| |
| #define TEST_CASES 7 |
| #ifndef AT_FDCWD |
| #define AT_FDCWD -100 |
| #endif |
| #ifndef AT_REMOVEDIR |
| #define AT_REMOVEDIR 0x200 |
| #endif |
| |
| void setup(); |
| void cleanup(); |
| void setup_every_copy(); |
| |
| char *TCID = "unlinkat01"; |
| int TST_TOTAL = TEST_CASES; |
| char pathname[256]; |
| char subpathname[256]; |
| char testfile[256]; |
| char testfile2[256]; |
| char testfile3[256]; |
| int dirfd, fd, ret; |
| int fds[TEST_CASES]; |
| char *filenames[TEST_CASES]; |
| int expected_errno[TEST_CASES] = { 0, 0, ENOTDIR, EBADF, EINVAL, 0, 0 }; |
| int flags[TEST_CASES] = { 0, 0, 0, 0, 9999, 0, AT_REMOVEDIR }; |
| |
| int myunlinkat(int dirfd, const char *filename, int flags) |
| { |
| return ltp_syscall(__NR_unlinkat, dirfd, filename, flags); |
| } |
| |
| int main(int ac, char **av) |
| { |
| int lc; |
| const char *msg; |
| int i; |
| |
| /* Disable test if the version of the kernel is less than 2.6.16 */ |
| if ((tst_kvercmp(2, 6, 16)) < 0) { |
| tst_resm(TWARN, "This test can only run on kernels that are "); |
| tst_resm(TWARN, "2.6.16 and higher"); |
| exit(0); |
| } |
| |
| if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| setup_every_copy(); |
| |
| tst_count = 0; |
| |
| for (i = 0; i < TST_TOTAL; i++) { |
| TEST(myunlinkat(fds[i], filenames[i], flags[i])); |
| |
| if (TEST_ERRNO == expected_errno[i]) { |
| tst_resm(TPASS, |
| "unlinkat() returned the expected errno %d: %s", |
| TEST_ERRNO, strerror(TEST_ERRNO)); |
| } else { |
| tst_resm(TFAIL, |
| "unlinkat() Failed, errno=%d : %s", |
| TEST_ERRNO, strerror(TEST_ERRNO)); |
| } |
| } |
| |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| void setup_every_copy(void) |
| { |
| /* Initialize test dir and file names */ |
| char tmppathname[256] = ""; |
| |
| sprintf(pathname, "unlinkattestdir%d", getpid()); |
| sprintf(subpathname, "unlinkatsubtestdir%d", getpid()); |
| sprintf(testfile, "unlinkattestfile%d.txt", getpid()); |
| sprintf(testfile2, "unlinkattestdir%d/unlinkattestfile%d.txt", getpid(), |
| getpid()); |
| sprintf(testfile3, "/tmp/unlinkattestfile%d.txt", getpid()); |
| |
| ret = mkdir(pathname, 0700); |
| if (ret < 0) { |
| perror("mkdir: "); |
| exit(-1); |
| } |
| |
| strcat(strcat(strcat(tmppathname, pathname), "/"), subpathname); |
| |
| ret = mkdir(tmppathname, 0700); |
| if (ret < 0) { |
| perror("mkdir: "); |
| exit(-1); |
| } |
| |
| dirfd = open(pathname, O_DIRECTORY); |
| if (dirfd < 0) { |
| perror("open: "); |
| exit(-1); |
| } |
| |
| fd = open(testfile, O_CREAT | O_RDWR, 0600); |
| if (fd < 0) { |
| perror("open: "); |
| exit(-1); |
| } |
| |
| fd = open(testfile2, O_CREAT | O_RDWR, 0600); |
| if (fd < 0) { |
| perror("open: "); |
| exit(-1); |
| } |
| |
| fd = open(testfile3, O_CREAT | O_RDWR, 0600); |
| if (fd < 0) { |
| perror("open: "); |
| exit(-1); |
| } |
| |
| fds[0] = fds[1] = fds[4] = fds[6] = dirfd; |
| fds[2] = fd; |
| fds[3] = 100; |
| fds[5] = AT_FDCWD; |
| |
| filenames[0] = filenames[2] = filenames[3] = filenames[4] = |
| filenames[5] = testfile; |
| filenames[1] = testfile3; |
| filenames[6] = subpathname; |
| } |
| |
| void setup(void) |
| { |
| tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| TEST_PAUSE; |
| } |
| |
| void cleanup(void) |
| { |
| char tmppathname[256] = ""; |
| strcat(strcat(strcat(tmppathname, pathname), "/"), subpathname); |
| rmdir(tmppathname); |
| unlink(testfile2); |
| unlink(testfile3); |
| unlink(testfile); |
| rmdir(pathname); |
| } |