robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 1 | /* |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 2 | * Copyright (C) Bull S.A. 2001 |
| 3 | * Copyright (c) International Business Machines Corp., 2001 |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 13 | * the GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
Wanlong Gao | 4548c6c | 2012-10-19 18:03:36 +0800 | [diff] [blame] | 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 18 | */ |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 19 | |
| 20 | /* |
| 21 | * NAME |
| 22 | * chroot04.c |
| 23 | * |
| 24 | * DESCRIPTION |
| 25 | * Testcase to check that chroot sets errno to EACCES. |
| 26 | * |
| 27 | * ALGORITHM |
| 28 | * As a non-root user attempt to perform chroot() to a directory. The |
| 29 | * chroot() call should fail with EACCES |
| 30 | * |
| 31 | * USAGE: <for command-line> |
| 32 | * chroot04 [-c n] [-e] [-i n] [-I x] [-P x] [-t] |
| 33 | * where, -c n : Run n copies concurrently. |
| 34 | * -e : Turn on errno logging. |
| 35 | * -i n : Execute test n times. |
| 36 | * -I x : Execute test for x seconds. |
| 37 | * -P x : Pause for x seconds between iterations. |
| 38 | * -t : Turn on syscall timing. |
| 39 | * |
| 40 | * HISTORY |
| 41 | * 04/2002 Ported by Jacky Malcles |
| 42 | * |
| 43 | * RESTRICTIONS |
| 44 | * Must be run as non-root user. |
| 45 | */ |
| 46 | |
| 47 | #include <stdio.h> |
| 48 | #include <errno.h> |
robbiew | 2c94524 | 2002-11-11 19:01:25 +0000 | [diff] [blame] | 49 | #include <sys/stat.h> |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 50 | #include "test.h" |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 51 | #include <pwd.h> |
| 52 | |
| 53 | char *TCID = "chroot04"; |
| 54 | int TST_TOTAL = 1; |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 55 | |
Garrett Cooper | f23dd41 | 2010-12-17 01:57:35 -0800 | [diff] [blame] | 56 | #define TEST_TMPDIR "chroot04_tmpdir" |
| 57 | |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 58 | char nobody_uid[] = "nobody"; |
| 59 | struct passwd *ltpuser; |
| 60 | |
| 61 | void setup(void); |
| 62 | void cleanup(void); |
| 63 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 64 | int main(int ac, char **av) |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 65 | { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 66 | int lc; |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 67 | const char *msg; |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 68 | |
Garrett Cooper | f23dd41 | 2010-12-17 01:57:35 -0800 | [diff] [blame] | 69 | if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
Garrett Cooper | 60fa801 | 2010-11-22 13:50:58 -0800 | [diff] [blame] | 70 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 71 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 72 | setup(); |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 73 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 74 | /* Check for looping state if -i option is given */ |
| 75 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 76 | |
Caspar Zhang | d59a659 | 2013-03-07 14:59:12 +0800 | [diff] [blame] | 77 | /* reset tst_count in case we are looping */ |
| 78 | tst_count = 0; |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 79 | |
Garrett Cooper | f23dd41 | 2010-12-17 01:57:35 -0800 | [diff] [blame] | 80 | TEST(chroot(TEST_TMPDIR)); |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 81 | |
Garrett Cooper | f23dd41 | 2010-12-17 01:57:35 -0800 | [diff] [blame] | 82 | if (TEST_RETURN != -1) |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 83 | tst_resm(TFAIL, "call succeeded unexpectedly"); |
Garrett Cooper | f23dd41 | 2010-12-17 01:57:35 -0800 | [diff] [blame] | 84 | else if (TEST_ERRNO == EACCES) |
| 85 | tst_resm(TPASS, "got EACCESS as expected"); |
| 86 | else |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 87 | tst_resm(TFAIL | TTERRNO, |
| 88 | "did not get EACCES as expected"); |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 89 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 90 | } |
| 91 | cleanup(); |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 92 | |
Garrett Cooper | f23dd41 | 2010-12-17 01:57:35 -0800 | [diff] [blame] | 93 | tst_exit(); |
| 94 | |
| 95 | } |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 96 | |
| 97 | /* |
| 98 | * setup() - performs all ONE TIME setup for this test. |
| 99 | */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 100 | void setup(void) |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 101 | { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 102 | tst_sig(NOFORK, DEF_HANDLER, cleanup); |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 103 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 104 | TEST_PAUSE; |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 105 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 106 | /* make a temporary directory and cd to it */ |
| 107 | tst_tmpdir(); |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 108 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 109 | /* |
| 110 | * create a temporary directory |
| 111 | */ |
Garrett Cooper | f23dd41 | 2010-12-17 01:57:35 -0800 | [diff] [blame] | 112 | if (mkdir(TEST_TMPDIR, 0222) != 0) { |
| 113 | tst_resm(TBROK, "mkdir(%s) failed", TEST_TMPDIR); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 114 | } |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 115 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 116 | ltpuser = getpwnam(nobody_uid); |
| 117 | if (seteuid(ltpuser->pw_uid) == -1) { |
Garrett Cooper | f23dd41 | 2010-12-17 01:57:35 -0800 | [diff] [blame] | 118 | tst_brkm(TBROK, cleanup, "seteuid to nobody failed"); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 119 | } |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 120 | |
| 121 | } |
| 122 | |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 123 | /* |
| 124 | * cleanup() - performs all ONE TIME cleanup for this test at |
| 125 | * completion or premature exit. |
| 126 | */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 127 | void cleanup(void) |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 128 | { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 129 | /* reset the process ID to the saved ID (root) */ |
| 130 | if (setuid(0) == -1) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 131 | tst_brkm(TBROK | TERRNO, NULL, "setuid(0) failed"); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 132 | } |
Garrett Cooper | f23dd41 | 2010-12-17 01:57:35 -0800 | [diff] [blame] | 133 | if (rmdir(TEST_TMPDIR) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 134 | tst_brkm(TFAIL | TERRNO, NULL, "rmdir(%s) failed", TEST_TMPDIR); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 135 | } |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 136 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 137 | /* delete the test directory created in setup() */ |
| 138 | tst_rmdir(); |
robbiew | 3650fef | 2002-04-25 15:38:20 +0000 | [diff] [blame] | 139 | |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 140 | } |