| Elliott Hughes | d35df49 | 2017-02-15 15:19:05 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Check decoding of fchmod syscall. |
| 3 | * |
| 4 | * Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr> |
| 5 | * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. The name of the author may not be used to endorse or promote products |
| 17 | * derived from this software without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 24 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #include "tests.h" |
| 32 | #include <asm/unistd.h> |
| 33 | |
| 34 | #ifdef __NR_fchmod |
| 35 | |
| 36 | # include <fcntl.h> |
| 37 | # include <sys/stat.h> |
| 38 | # include <stdio.h> |
| 39 | # include <unistd.h> |
| 40 | |
| 41 | int |
| 42 | main(void) |
| 43 | { |
| 44 | static const char fname[] = "fchmod_test_file"; |
| 45 | |
| 46 | int fd = open(fname, O_CREAT|O_RDONLY, 0400); |
| 47 | if (fd < 0) |
| 48 | perror_msg_and_fail("open"); |
| 49 | |
| 50 | if (unlink(fname)) |
| 51 | perror_msg_and_fail("unlink"); |
| 52 | |
| 53 | long rc = syscall(__NR_fchmod, fd, 0600); |
| 54 | printf("fchmod(%d, 0600) = %s\n", fd, sprintrc(rc)); |
| 55 | |
| 56 | close(fd); |
| 57 | |
| 58 | rc = syscall(__NR_fchmod, fd, 051); |
| 59 | printf("fchmod(%d, 051) = %s\n", fd, sprintrc(rc)); |
| 60 | |
| 61 | rc = syscall(__NR_fchmod, fd, 004); |
| 62 | printf("fchmod(%d, 004) = %s\n", fd, sprintrc(rc)); |
| 63 | |
| 64 | puts("+++ exited with 0 +++"); |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | #else |
| 69 | |
| 70 | SKIP_MAIN_UNDEFINED("__NR_fchmod") |
| 71 | |
| 72 | #endif |