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Three simple unit tests for revoke(2).

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This commit is contained in:
jruoho 2011-07-03 21:06:56 +00:00
parent b825528b07
commit a3b49d7e2f
3 changed files with 190 additions and 3 deletions
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4
distrib/sets/lists/tests/mi
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@ -1,4 +1,4 @@
# $NetBSD: mi,v 1.359 2011/07/03 17:47:15 jruoho Exp $
# $NetBSD: mi,v 1.360 2011/07/03 21:06:56 jruoho Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@ -642,6 +642,7 @@
./usr/libdata/debug/usr/tests/syscall/t_poll.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_pollts.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_pselect.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_revoke.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_setrlimit.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_setuid.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_stat.debug tests-syscall-debug debug,atf
@ -2391,6 +2392,7 @@
./usr/tests/syscall/t_poll tests-syscall-tests atf
./usr/tests/syscall/t_pollts tests-syscall-tests atf
./usr/tests/syscall/t_pselect tests-syscall-tests atf
./usr/tests/syscall/t_revoke tests-syscall-tests atf
./usr/tests/syscall/t_setrlimit tests-syscall-tests atf
./usr/tests/syscall/t_setuid tests-syscall-tests atf
./usr/tests/syscall/t_stat tests-syscall-tests atf

4
tests/syscall/Makefile
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@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.36 2011/07/03 17:47:15 jruoho Exp $
# $NetBSD: Makefile,v 1.37 2011/07/03 21:06:56 jruoho Exp $
.include <bsd.own.mk>
@ -9,7 +9,7 @@ TESTS_C+= t_getgroups t_getlogin t_getpid
TESTS_C+= t_getrusage t_getsid t_gettimeofday
TESTS_C+= t_itimer t_kill t_link
TESTS_C+= t_mincore t_mknod t_mmap t_mprotect t_msync t_nanosleep
TESTS_C+= t_poll t_pollts t_pselect
TESTS_C+= t_poll t_pollts t_pselect t_revoke
TESTS_C+= t_setrlimit t_setuid t_stat t_timer t_truncate
TESTS_C+= t_umask t_unlink

185
tests/syscall/t_revoke.c Normal file
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@ -0,0 +1,185 @@
/* $NetBSD: t_revoke.c,v 1.1 2011/07/03 21:06:56 jruoho Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jukka Ruohonen.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_revoke.c,v 1.1 2011/07/03 21:06:56 jruoho Exp $");
#include <sys/resource.h>
#include <sys/wait.h>
#include <atf-c.h>
#include <fcntl.h>
#include <errno.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static const char path[] = "revoke";
ATF_TC_WITH_CLEANUP(revoke_basic);
ATF_TC_HEAD(revoke_basic, tc)
{
atf_tc_set_md_var(tc, "descr", "A basic test of revoke(2)");
}
ATF_TC_BODY(revoke_basic, tc)
{
struct rlimit res;
char tmp[10];
size_t i, n;
int *buf;
(void)memset(&res, 0, sizeof(struct rlimit));
(void)getrlimit(RLIMIT_NOFILE, &res);
if ((n = res.rlim_cur / 10) == 0)
n = 10;
buf = calloc(n, sizeof(int));
ATF_REQUIRE(buf != NULL);
buf[0] = open(path, O_RDWR | O_CREAT, 0600);
ATF_REQUIRE(buf[0] >= 0);
for (i = 1; i < n; i++) {
buf[i] = open(path, O_RDWR);
ATF_REQUIRE(buf[i] >= 0);
}
ATF_REQUIRE(revoke(path) == 0);
for (i = 0; i < n; i++) {
ATF_REQUIRE(read(buf[i], tmp, sizeof(tmp)) == -1);
(void)close(buf[i]);
}
free(buf);
(void)unlink(path);
}
ATF_TC_CLEANUP(revoke_basic, tc)
{
(void)unlink(path);
}
ATF_TC(revoke_err);
ATF_TC_HEAD(revoke_err, tc)
{
atf_tc_set_md_var(tc, "descr", "Test errors from revoke(2)");
}
ATF_TC_BODY(revoke_err, tc)
{
char buf[1024 + 1]; /* XXX: From the manual page... */
(void)memset(buf, 'x', sizeof(buf));
errno = 0;
ATF_REQUIRE_ERRNO(EFAULT, revoke((char *)-1) == -1);
errno = 0;
ATF_REQUIRE_ERRNO(ENAMETOOLONG, revoke(buf) == -1);
errno = 0;
ATF_REQUIRE_ERRNO(EPERM, revoke("/etc/passwd") == -1);
errno = 0;
ATF_REQUIRE_ERRNO(ENOENT, revoke("/etc/xxx/yyy") == -1);
}
ATF_TC_WITH_CLEANUP(revoke_perm);
ATF_TC_HEAD(revoke_perm, tc)
{
atf_tc_set_md_var(tc, "descr", "Test permissions revoke(2)");
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(revoke_perm, tc)
{
struct passwd *pw;
int fd, sta;
pid_t pid;
pw = getpwnam("nobody");
fd = open(path, O_RDWR | O_CREAT, 0600);
ATF_REQUIRE(fd >= 0);
ATF_REQUIRE(pw != NULL);
ATF_REQUIRE(revoke(path) == 0);
pid = fork();
ATF_REQUIRE(pid >= 0);
if (pid == 0) {
if (setuid(pw->pw_uid) != 0)
_exit(EXIT_FAILURE);
errno = 0;
if (revoke(path) == 0)
_exit(EXIT_FAILURE);
if (errno != EACCES)
_exit(EXIT_FAILURE);
if (close(fd) != 0)
_exit(EXIT_FAILURE);
_exit(EXIT_SUCCESS);
}
(void)wait(&sta);
if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
atf_tc_fail("revoke(2) did not obey permissions");
ATF_REQUIRE(unlink(path) == 0);
}
ATF_TC_CLEANUP(revoke_perm, tc)
{
(void)unlink(path);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, revoke_basic);
ATF_TP_ADD_TC(tp, revoke_err);
ATF_TP_ADD_TC(tp, revoke_perm);
return atf_no_error();
}