| /* |
| * Copyright (c) International Business Machines Corp., 2001 |
| * |
| * 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 |
| * |
| * Ported by John George |
| */ |
| |
| /* |
| * Test that EPERM is set when setreuid is given an invalid user id. |
| */ |
| |
| #include <wait.h> |
| #include <limits.h> |
| #include <signal.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <pwd.h> |
| #include <sys/param.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| |
| #include "test.h" |
| #include "compat_16.h" |
| |
| #define INVAL_USER (USHRT_MAX-2) |
| |
| TCID_DEFINE(setreuid06); |
| int TST_TOTAL = 1; |
| |
| static struct passwd *ltpuser; |
| |
| static void setup(void); |
| static void cleanup(void); |
| |
| int main(int argc, char **argv) |
| { |
| int lc; |
| |
| tst_parse_opts(argc, argv, NULL, NULL); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| tst_count = 0; |
| |
| TEST(SETREUID(cleanup, -1, INVAL_USER)); |
| if (TEST_RETURN != -1) { |
| tst_resm(TFAIL, "%s did not fail as expected", TCID); |
| } else if (TEST_ERRNO == EPERM) { |
| tst_resm(TPASS, "setreuid set errno to EPERM as " |
| "expected"); |
| } else { |
| tst_resm(TFAIL, "setreuid FAILED, expected 1 but " |
| "returned %d", TEST_ERRNO); |
| } |
| |
| } |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| tst_require_root(); |
| |
| tst_sig(FORK, DEF_HANDLER, cleanup); |
| |
| umask(0); |
| |
| ltpuser = getpwnam("nobody"); |
| if (ltpuser == NULL) |
| tst_brkm(TBROK, NULL, "nobody must be a valid user."); |
| |
| if (setuid(ltpuser->pw_uid) == -1) |
| tst_brkm(TBROK | TERRNO, NULL, "setuid failed to " |
| "to set the effective uid to %d", ltpuser->pw_uid); |
| |
| TEST_PAUSE; |
| } |
| |
| static void cleanup(void) |
| { |
| } |