plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of version 2 of the GNU General Public License as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it would be useful, but |
| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 11 | * |
| 12 | * You should have received a copy of the GNU General Public License |
| 13 | * along with this program; if not, write to the Free Software |
Wanlong Gao | 4548c6c | 2012-10-19 18:03:36 +0800 | [diff] [blame] | 14 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 15 | * |
| 16 | */ |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 17 | /********************************************************** |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 18 | * |
| 19 | * TEST IDENTIFIER : setdomainname03 |
| 20 | * |
| 21 | * EXECUTED BY : root / superuser |
| 22 | * |
| 23 | * TEST TITLE : test for EPERM error value when run as non superuser |
| 24 | * |
| 25 | * TEST CASE TOTAL : 1 |
| 26 | * |
| 27 | * AUTHOR : Saji Kumar.V.R <saji.kumar@wipro.com> |
| 28 | * |
| 29 | * SIGNALS |
| 30 | * Uses SIGUSR1 to pause before test if option set. |
| 31 | * (See the parse_opts(3) man page). |
| 32 | * |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 33 | * DESCRIPTION |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 34 | * Verify that, setdomainname(2) returns -1 and sets errno to EPERM |
| 35 | * if the effective user id of the caller is not super-user. |
| 36 | * |
| 37 | * Algorithm: |
| 38 | * Setup: |
| 39 | * Setup signal handling. |
| 40 | * Pause for SIGUSR1 if option specified. |
| 41 | * save current domainname |
| 42 | * change effective user id to "nobody" user |
| 43 | * |
| 44 | * Test: |
| 45 | * Loop if the proper options are given. |
| 46 | * Execute system call |
| 47 | * Check return code, Check return code, if (system call failed (return=-1)) & |
| 48 | * (errno set == expected errno) |
| 49 | * Issue sys call fails with expected return value and errno. |
| 50 | * Otherwise, |
| 51 | * Issue sys call fails with unexpected errno. |
| 52 | * Otherwise, |
| 53 | * Issue sys call returns unexpected value. |
| 54 | * |
| 55 | * Cleanup: |
| 56 | * Change effective user id to root |
| 57 | * Restore old domainname |
| 58 | * Print errno log and/or timing stats if options given |
| 59 | * |
| 60 | * Usage: <for command-line> |
| 61 | * setdomainname03 [-c n] [-e] [-i n] [-I x] [-P x] [-t] [-h] [-f] [-p] |
| 62 | * where, -c n : Run n copies concurrently. |
| 63 | * -e : Turn on errno logging. |
| 64 | * -h : Show help screen |
| 65 | * -f : Turn off functional testing |
| 66 | * -i n : Execute test n times. |
| 67 | * -I x : Execute test for x seconds. |
| 68 | * -p : Pause for SIGUSR1 before starting |
| 69 | * -P x : Pause for x seconds between iterations. |
| 70 | * -t : Turn on syscall timing. |
| 71 | * |
| 72 | ****************************************************************/ |
| 73 | |
mridge | 3a6b474 | 2004-09-13 21:55:16 +0000 | [diff] [blame] | 74 | #include <string.h> |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 75 | #include <errno.h> |
| 76 | #include <pwd.h> |
| 77 | #include <linux/utsname.h> |
| 78 | |
| 79 | #include "test.h" |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 80 | |
| 81 | #define MAX_NAME_LEN __NEW_UTS_LEN |
| 82 | |
Cyril Hrubis | fdce7d5 | 2013-04-04 18:35:48 +0200 | [diff] [blame] | 83 | char *TCID = "setdomainname03"; |
| 84 | int TST_TOTAL = 1; |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 85 | |
| 86 | static char nobody_uid[] = "nobody"; |
| 87 | struct passwd *ltpuser; |
| 88 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 89 | static char test_domain_name[MAX_NAME_LEN] = "test_dom"; |
| 90 | static char old_domain_name[MAX_NAME_LEN]; |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 91 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 92 | static void setup(); /* setup function for the tests */ |
| 93 | static void cleanup(); /* cleanup function for the tests */ |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 94 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 95 | int main(int ac, char **av) |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 96 | { |
Cyril Hrubis | 89af32a | 2012-10-24 16:39:11 +0200 | [diff] [blame] | 97 | int lc; |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 98 | const char *msg; |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 99 | |
Garrett Cooper | 45e285d | 2010-11-22 12:19:25 -0800 | [diff] [blame] | 100 | msg = parse_opts(ac, av, NULL, NULL); |
| 101 | if (msg != NULL) { |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 102 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 103 | |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | /* |
| 107 | * Invoke setup function to call individual test setup functions |
| 108 | * for the test which run as root/super-user. |
| 109 | */ |
| 110 | setup(); |
| 111 | |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 112 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
| 113 | |
Caspar Zhang | d59a659 | 2013-03-07 14:59:12 +0800 | [diff] [blame] | 114 | tst_count = 0; |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 115 | |
| 116 | /* |
| 117 | * Call setdomainname(2) |
| 118 | */ |
| 119 | TEST(setdomainname(test_domain_name, MAX_NAME_LEN)); |
| 120 | if ((TEST_RETURN == -1) && (TEST_ERRNO == EPERM)) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 121 | tst_resm(TPASS, "expected failure; Got EPERM"); |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 122 | } else { |
| 123 | tst_resm(TFAIL, "Call failed to produce " |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 124 | "expected error; Expected errno: %d " |
| 125 | "Got : %d, %s", EPERM, TEST_ERRNO, |
| 126 | strerror(TEST_ERRNO)); |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 127 | } |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 128 | |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 129 | } |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 130 | |
| 131 | /* |
| 132 | * Invoke cleanup() to delete the test directories created |
| 133 | * in the setup(). |
| 134 | */ |
| 135 | cleanup(); |
Garrett Cooper | 1e6f5a6 | 2010-12-19 09:58:10 -0800 | [diff] [blame] | 136 | tst_exit(); |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 137 | |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 138 | } |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 139 | |
| 140 | /* |
| 141 | * setup(void) - performs all ONE TIME setup for this test. |
| 142 | */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 143 | void setup(void) |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 144 | { |
Nicolas Joly | d4ceb37 | 2014-06-22 17:03:57 +0200 | [diff] [blame] | 145 | tst_require_root(NULL); |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 146 | |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 147 | /* Capture unexpected signals */ |
| 148 | tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| 149 | |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 150 | /* Switch to nobody user for correct error code collection */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 151 | if ((ltpuser = getpwnam(nobody_uid)) == NULL) { |
Garrett Cooper | 5374050 | 2010-12-16 00:04:01 -0800 | [diff] [blame] | 152 | tst_brkm(TBROK, NULL, "\"nobody\" user not present"); |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 153 | } |
| 154 | if (seteuid(ltpuser->pw_uid) == -1) { |
| 155 | tst_resm(TWARN, "seteuid failed to " |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 156 | "to set the effective uid to %d", ltpuser->pw_uid); |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 157 | perror("seteuid"); |
| 158 | } |
| 159 | |
| 160 | /* Save current domainname */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 161 | if ((getdomainname(old_domain_name, MAX_NAME_LEN)) < 0) { |
Garrett Cooper | 5374050 | 2010-12-16 00:04:01 -0800 | [diff] [blame] | 162 | tst_brkm(TBROK, NULL, "getdomainname() failed while" |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 163 | " getting current domain name"); |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 164 | } |
| 165 | |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 166 | TEST_PAUSE; |
| 167 | |
| 168 | } |
| 169 | |
| 170 | /* |
| 171 | * cleanup() - Performs all ONE TIME cleanup for this test at |
| 172 | */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 173 | void cleanup(void) |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 174 | { |
| 175 | |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 176 | /* Set effective user id back to root */ |
| 177 | if (seteuid(0) == -1) { |
| 178 | tst_resm(TWARN, "seteuid failed to " |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 179 | "to set the effective uid to root"); |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 180 | perror("seteuid"); |
| 181 | } |
| 182 | |
| 183 | /* Restore domain name */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 184 | if ((setdomainname(old_domain_name, strlen(old_domain_name))) |
| 185 | < 0) { |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 186 | tst_resm(TWARN, "setdomainname() failed while restoring" |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 187 | " domainname to \"%s\"", old_domain_name); |
plars | d758be3 | 2002-11-01 15:59:31 +0000 | [diff] [blame] | 188 | } |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 189 | |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 190 | } |