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/*
* Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* DESCRIPTION
* Verify that mount(2) returns -1 and sets errno to EPERM if the user
* is not the super-user.
*/
#include <errno.h>
#include <sys/mount.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <pwd.h>
#include "test.h"
#include "safe_macros.h"
static void setup(void);
static void cleanup(void);
char *TCID = "mount04";
#define DIR_MODE S_IRWXU | S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP
static char *mntpoint = "mntpoint";
static const char *fs_type;
static const char *device;
int TST_TOTAL = 1;
static void verify_mount(void)
{
TEST(mount(device, mntpoint, fs_type, 0, NULL));
if (TEST_RETURN == -1) {
if (TEST_ERRNO == EPERM)
tst_resm(TPASS | TTERRNO, "mount() failed expectedly");
else
tst_resm(TFAIL | TTERRNO,
"mount() was expected to fail with EPERM");
return;
}
if (TEST_RETURN == 0) {
tst_resm(TFAIL, "mount() succeeded unexpectedly");
if (tst_umount(mntpoint))
tst_brkm(TBROK, cleanup, "umount() failed");
return;
}
tst_resm(TFAIL | TTERRNO, "mount() returned %li", TEST_RETURN);
}
int main(int ac, char **av)
{
int lc;
tst_parse_opts(ac, av, NULL, NULL);
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
tst_count = 0;
verify_mount();
}
cleanup();
tst_exit();
}
static void setup(void)
{
char nobody_uid[] = "nobody";
struct passwd *ltpuser;
tst_sig(FORK, DEF_HANDLER, cleanup);
tst_require_root();
tst_tmpdir();
fs_type = tst_dev_fs_type();
device = tst_acquire_device(cleanup);
if (!device)
tst_brkm(TCONF, cleanup, "Failed to obtain block device");
tst_mkfs(cleanup, device, fs_type, NULL, NULL);
ltpuser = SAFE_GETPWNAM(cleanup, nobody_uid);
SAFE_SETEUID(cleanup, ltpuser->pw_uid);
SAFE_MKDIR(cleanup, mntpoint, DIR_MODE);
TEST_PAUSE;
}
static void cleanup(void)
{
if (seteuid(0))
tst_resm(TWARN | TERRNO, "seteuid(0) failed");
if (device)
tst_release_device(device);
tst_rmdir();
}
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