96 lines
2.1 KiB
C
96 lines
2.1 KiB
C
/*
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* Copyright (c) International Business Machines Corp., 2001
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Ported by John George
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*/
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/*
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* Test that EPERM is set when setreuid is given an invalid user id.
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*/
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#include <sys/wait.h>
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#include <limits.h>
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#include <signal.h>
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#include <errno.h>
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#include <unistd.h>
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#include <pwd.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "test.h"
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#include "safe_macros.h"
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#include "compat_16.h"
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#define INVAL_USER (USHRT_MAX-2)
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TCID_DEFINE(setreuid06);
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int TST_TOTAL = 1;
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static struct passwd *ltpuser;
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static void setup(void);
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static void cleanup(void);
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int main(int argc, char **argv)
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{
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int lc;
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tst_parse_opts(argc, argv, NULL, NULL);
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setup();
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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tst_count = 0;
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TEST(SETREUID(cleanup, -1, INVAL_USER));
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if (TEST_RETURN != -1) {
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tst_resm(TFAIL, "%s did not fail as expected", TCID);
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} else if (TEST_ERRNO == EPERM) {
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tst_resm(TPASS, "setreuid set errno to EPERM as "
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"expected");
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} else {
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tst_resm(TFAIL, "setreuid FAILED, expected 1 but "
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"returned %d", TEST_ERRNO);
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}
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}
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cleanup();
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tst_exit();
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}
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static void setup(void)
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{
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tst_require_root();
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tst_sig(FORK, DEF_HANDLER, cleanup);
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umask(0);
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ltpuser = getpwnam("nobody");
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if (ltpuser == NULL)
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tst_brkm(TBROK, NULL, "nobody must be a valid user.");
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SAFE_SETUID(NULL, ltpuser->pw_uid);
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TEST_PAUSE;
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}
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static void cleanup(void)
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{
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}
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