88 lines
1.8 KiB
C
88 lines
1.8 KiB
C
/*
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* Copyright (c) 2014 Fujitsu Ltd.
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* Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* DESCRIPTION
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* The calling process is not privileged and euid is not appropriate,
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* EPERM should return.
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*/
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#include <errno.h>
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#include <pwd.h>
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#include "test.h"
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#include "safe_macros.h"
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char *TCID = "setegid02";
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int TST_TOTAL = 1;
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static void setup(void);
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static void setegid_verify(void);
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static void cleanup(void);
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static struct passwd *ltpuser;
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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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setegid_verify();
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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(NOFORK, DEF_HANDLER, cleanup);
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TEST_PAUSE;
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ltpuser = SAFE_GETPWNAM(cleanup, "nobody");
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SAFE_SETEUID(cleanup, ltpuser->pw_uid);
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}
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static void setegid_verify(void)
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{
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TEST(setegid(ltpuser->pw_gid));
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if (TEST_RETURN != -1) {
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tst_resm(TFAIL, "setegid(%d) succeeded unexpectedly",
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ltpuser->pw_gid);
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return;
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}
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if (TEST_ERRNO == EPERM) {
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tst_resm(TPASS | TTERRNO, "setegid failed as expected");
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} else {
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tst_resm(TFAIL | TTERRNO,
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"setegid failed unexpectedly; expected: %d - %s",
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EPERM, strerror(EPERM));
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}
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}
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static void cleanup(void)
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{
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}
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