plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 1 | /* |
| 2 | * |
| 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 |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 20 | /* |
robbiew | 007dbc9 | 2002-02-27 18:02:38 +0000 | [diff] [blame] | 21 | * Test Name: setgroups03 |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 22 | * |
| 23 | * Test Description: |
| 24 | * Verify that, |
| 25 | * 1. setgroups() fails with -1 and sets errno to EINVAL if the size |
| 26 | * argument value is > NGROUPS |
| 27 | * 2. setgroups() fails with -1 and sets errno to EPERM if the |
| 28 | * calling process is not super-user. |
| 29 | * |
| 30 | * Expected Result: |
| 31 | * setgroups() should fail with return value -1 and set expected errno. |
| 32 | * |
| 33 | * Algorithm: |
| 34 | * Setup: |
| 35 | * Setup signal handling. |
| 36 | * Pause for SIGUSR1 if option specified. |
| 37 | * |
| 38 | * Test: |
| 39 | * Loop if the proper options are given. |
| 40 | * Execute system call |
| 41 | * Check return code, if system call failed (return=-1) |
| 42 | * if errno set == expected errno |
| 43 | * Issue sys call fails with expected return value and errno. |
| 44 | * Otherwise, |
| 45 | * Issue sys call fails with unexpected errno. |
| 46 | * Otherwise, |
| 47 | * Issue sys call returns unexpected value. |
| 48 | * |
| 49 | * Cleanup: |
| 50 | * Print errno log and/or timing stats if options given |
| 51 | * |
| 52 | * Usage: <for command-line> |
robbiew | 007dbc9 | 2002-02-27 18:02:38 +0000 | [diff] [blame] | 53 | * setgroups03 [-c n] [-e] [-i n] [-I x] [-P x] [-t] |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 54 | * where, -c n : Run n copies concurrently. |
| 55 | * -f : Turn off functionality Testing. |
| 56 | * -i n : Execute test n times. |
| 57 | * -I x : Execute test for x seconds. |
| 58 | * -P x : Pause for x seconds between iterations. |
| 59 | * -t : Turn on syscall timing. |
| 60 | * |
| 61 | * HISTORY |
| 62 | * 07/2001 Ported by Wayne Boyer |
| 63 | * |
| 64 | * RESTRICTIONS: |
| 65 | * This test should be executed by 'non-super-user' only. |
| 66 | * |
| 67 | */ |
mridge | b3db28f | 2004-04-06 15:46:16 +0000 | [diff] [blame] | 68 | #include <limits.h> |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 69 | #include <sys/types.h> |
| 70 | #include <unistd.h> |
| 71 | #include <errno.h> |
| 72 | #include <pwd.h> |
robbiew | 8541eeb | 2003-03-27 19:59:32 +0000 | [diff] [blame] | 73 | #include <grp.h> |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 74 | |
| 75 | #include "test.h" |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 76 | |
subrata_modak | 34a572a | 2008-08-27 12:02:42 +0000 | [diff] [blame] | 77 | #include "compat_16.h" |
| 78 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 79 | #define TESTUSER "nobody" |
| 80 | |
robbiew | 5901ff4 | 2001-08-28 15:11:41 +0000 | [diff] [blame] | 81 | char nobody_uid[] = "nobody"; |
| 82 | struct passwd *ltpuser; |
| 83 | |
Cyril Hrubis | fdce7d5 | 2013-04-04 18:35:48 +0200 | [diff] [blame] | 84 | TCID_DEFINE(setgroups03); |
Cyril Hrubis | 605fa33 | 2015-02-04 13:11:20 +0100 | [diff] [blame] | 85 | int TST_TOTAL = 2; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 86 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 87 | GID_T *groups_list; /* Array to hold gids for getgroups() */ |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 88 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 89 | int setup1(); /* setup function to test error EPERM */ |
| 90 | void setup(); /* setup function for the test */ |
| 91 | void cleanup(); /* cleanup function for the test */ |
| 92 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 93 | struct test_case_t { /* test case struct. to hold ref. test cond's */ |
robbiew | a1ac5ae | 2005-05-26 19:22:54 +0000 | [diff] [blame] | 94 | size_t gsize_add; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 95 | int list; |
| 96 | char *desc; |
| 97 | int exp_errno; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 98 | int (*setupfunc) (); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 99 | } Test_cases[] = { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 100 | { |
| 101 | 1, 1, "Size is > sysconf(_SC_NGROUPS_MAX)", EINVAL, NULL}, { |
| 102 | 0, 2, "Permission denied, not super-user", EPERM, setup1} |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 103 | }; |
| 104 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 105 | int main(int ac, char **av) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 106 | { |
Cyril Hrubis | 89af32a | 2012-10-24 16:39:11 +0200 | [diff] [blame] | 107 | int lc; |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 108 | const char *msg; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 109 | int gidsetsize; /* total no. of groups */ |
Cyril Hrubis | 89af32a | 2012-10-24 16:39:11 +0200 | [diff] [blame] | 110 | int i; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 111 | char *test_desc; /* test specific error message */ |
robbiew | a1ac5ae | 2005-05-26 19:22:54 +0000 | [diff] [blame] | 112 | int ngroups_max = sysconf(_SC_NGROUPS_MAX); /* max no. of groups in the current system */ |
| 113 | |
Garrett Cooper | 7d0a4a5 | 2010-12-16 10:05:08 -0800 | [diff] [blame] | 114 | if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
Garrett Cooper | 60fa801 | 2010-11-22 13:50:58 -0800 | [diff] [blame] | 115 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 116 | |
subrata_modak | 34a572a | 2008-08-27 12:02:42 +0000 | [diff] [blame] | 117 | groups_list = malloc(ngroups_max * sizeof(GID_T)); |
robbiew | a1ac5ae | 2005-05-26 19:22:54 +0000 | [diff] [blame] | 118 | if (groups_list == NULL) { |
Markos Chandras | f4539c6 | 2012-01-03 09:41:10 +0000 | [diff] [blame] | 119 | tst_brkm(TBROK, NULL, "malloc failed to alloc %zu errno " |
subrata_modak | 34a572a | 2008-08-27 12:02:42 +0000 | [diff] [blame] | 120 | " %d ", ngroups_max * sizeof(GID_T), errno); |
robbiew | a1ac5ae | 2005-05-26 19:22:54 +0000 | [diff] [blame] | 121 | } |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 122 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 123 | setup(); |
| 124 | |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 125 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 126 | |
Caspar Zhang | d59a659 | 2013-03-07 14:59:12 +0800 | [diff] [blame] | 127 | tst_count = 0; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 128 | |
| 129 | for (i = 0; i < TST_TOTAL; i++) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 130 | if (Test_cases[i].setupfunc != NULL) { |
plars | 1ad8451 | 2002-07-23 13:11:18 +0000 | [diff] [blame] | 131 | Test_cases[i].setupfunc(); |
| 132 | } |
| 133 | |
robbiew | a1ac5ae | 2005-05-26 19:22:54 +0000 | [diff] [blame] | 134 | gidsetsize = ngroups_max + Test_cases[i].gsize_add; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 135 | test_desc = Test_cases[i].desc; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 136 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 137 | /* |
| 138 | * Call setgroups() to test different test conditions |
| 139 | * verify that it fails with -1 return value and |
| 140 | * sets appropriate errno. |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 141 | */ |
Stanislav Kholmanskikh | ce0dffe | 2013-09-05 11:01:48 +0400 | [diff] [blame] | 142 | TEST(SETGROUPS(cleanup, gidsetsize, groups_list)); |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 143 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 144 | if (TEST_RETURN != -1) { |
subrata_modak | 923b23f | 2009-11-02 13:57:16 +0000 | [diff] [blame] | 145 | tst_resm(TFAIL, "setgroups(%d) returned %ld, " |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 146 | "expected -1, errno=%d", gidsetsize, |
| 147 | TEST_RETURN, Test_cases[i].exp_errno); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 148 | continue; |
| 149 | } |
| 150 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 151 | if (TEST_ERRNO == Test_cases[i].exp_errno) { |
| 152 | tst_resm(TPASS, |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 153 | "setgroups(%d) fails, %s, errno=%d", |
| 154 | gidsetsize, test_desc, TEST_ERRNO); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 155 | } else { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 156 | tst_resm(TFAIL, "setgroups(%d) fails, %s, " |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 157 | "errno=%d, expected errno=%d", |
| 158 | gidsetsize, test_desc, TEST_ERRNO, |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 159 | Test_cases[i].exp_errno); |
| 160 | } |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 161 | } |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 162 | |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 163 | } |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 164 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 165 | cleanup(); |
| 166 | |
Garrett Cooper | 5374050 | 2010-12-16 00:04:01 -0800 | [diff] [blame] | 167 | tst_exit(); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | /* |
| 171 | * setup() - performs all ONE TIME setup for this test. |
| 172 | * |
| 173 | * Call individual test specific setup functions. |
| 174 | */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 175 | void setup(void) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 176 | { |
Nicolas Joly | d4ceb37 | 2014-06-22 17:03:57 +0200 | [diff] [blame] | 177 | tst_require_root(NULL); |
robbiew | 5901ff4 | 2001-08-28 15:11:41 +0000 | [diff] [blame] | 178 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 179 | tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| 180 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 181 | TEST_PAUSE; |
| 182 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 183 | } |
| 184 | |
| 185 | /* |
| 186 | * setup1 - Setup function to test setgroups() which returns -1 |
| 187 | * and sets errno to EPERM. |
| 188 | * |
| 189 | * Get the user info. from /etc/passwd file. |
| 190 | * This function returns 0 on success. |
| 191 | */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 192 | int setup1(void) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 193 | { |
| 194 | struct passwd *user_info; /* struct. to hold test user info */ |
| 195 | |
plars | 1ad8451 | 2002-07-23 13:11:18 +0000 | [diff] [blame] | 196 | /* Switch to nobody user for correct error code collection */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 197 | ltpuser = getpwnam(nobody_uid); |
| 198 | if (seteuid(ltpuser->pw_uid) == -1) { |
| 199 | tst_resm(TINFO, "setreuid failed to " |
| 200 | "to set the effective uid to %d", ltpuser->pw_uid); |
| 201 | perror("setreuid"); |
| 202 | } |
plars | 1ad8451 | 2002-07-23 13:11:18 +0000 | [diff] [blame] | 203 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 204 | if ((user_info = getpwnam(TESTUSER)) == NULL) { |
| 205 | tst_brkm(TFAIL, cleanup, "getpwnam(2) of %s Failed", TESTUSER); |
| 206 | } |
subrata_modak | 34a572a | 2008-08-27 12:02:42 +0000 | [diff] [blame] | 207 | |
subrata_modak | 07af28f | 2008-09-10 08:59:40 +0000 | [diff] [blame] | 208 | if (!GID_SIZE_CHECK(user_info->pw_gid)) { |
subrata_modak | 34a572a | 2008-08-27 12:02:42 +0000 | [diff] [blame] | 209 | tst_brkm(TBROK, |
| 210 | cleanup, |
| 211 | "gid returned from getpwnam is too large for testing setgroups16"); |
| 212 | } |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 213 | groups_list[0] = user_info->pw_gid; |
| 214 | return 0; |
| 215 | } |
| 216 | |
| 217 | /* |
| 218 | * cleanup() - performs all ONE TIME cleanup for this test at |
| 219 | * completion or premature exit. |
| 220 | */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 221 | void cleanup(void) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 222 | { |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 223 | |
Markos Chandras | f4539c6 | 2012-01-03 09:41:10 +0000 | [diff] [blame] | 224 | } |