120 lines
2.5 KiB
C
120 lines
2.5 KiB
C
/*
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* Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
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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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* DESCRIPTION
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* Verify that mount(2) returns -1 and sets errno to EPERM if the user
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* is not the super-user.
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*/
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#include <errno.h>
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#include <sys/mount.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.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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static void setup(void);
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static void cleanup(void);
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char *TCID = "mount04";
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#define DIR_MODE S_IRWXU | S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP
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static char *mntpoint = "mntpoint";
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static const char *fs_type;
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static const char *device;
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int TST_TOTAL = 1;
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static void verify_mount(void)
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{
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TEST(mount(device, mntpoint, fs_type, 0, NULL));
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if (TEST_RETURN == -1) {
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if (TEST_ERRNO == EPERM)
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tst_resm(TPASS | TTERRNO, "mount() failed expectedly");
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else
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tst_resm(TFAIL | TTERRNO,
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"mount() was expected to fail with EPERM");
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return;
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}
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if (TEST_RETURN == 0) {
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tst_resm(TFAIL, "mount() succeeded unexpectedly");
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if (tst_umount(mntpoint))
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tst_brkm(TBROK, cleanup, "umount() failed");
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return;
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}
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tst_resm(TFAIL | TTERRNO, "mount() returned %li", TEST_RETURN);
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}
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int main(int ac, char **av)
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{
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int lc;
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tst_parse_opts(ac, av, 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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verify_mount();
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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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char nobody_uid[] = "nobody";
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struct passwd *ltpuser;
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tst_sig(FORK, DEF_HANDLER, cleanup);
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tst_require_root();
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tst_tmpdir();
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fs_type = tst_dev_fs_type();
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device = tst_acquire_device(cleanup);
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if (!device)
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tst_brkm(TCONF, cleanup, "Failed to obtain block device");
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tst_mkfs(cleanup, device, fs_type, NULL, NULL);
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ltpuser = SAFE_GETPWNAM(cleanup, nobody_uid);
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SAFE_SETEUID(cleanup, ltpuser->pw_uid);
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SAFE_MKDIR(cleanup, mntpoint, DIR_MODE);
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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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if (seteuid(0))
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tst_resm(TWARN | TERRNO, "seteuid(0) failed");
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if (device)
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tst_release_device(device);
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tst_rmdir();
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}
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