xref: /netbsd/tests/fs/vfs/t_unpriv.c (revision 6550d01e)
1 /*	$NetBSD: t_unpriv.c,v 1.1 2011/01/06 15:19:10 njoly Exp $	*/
2 
3 /*-
4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <atf-c.h>
30 #include <unistd.h>
31 
32 #include <rump/rump_syscalls.h>
33 #include <rump/rump.h>
34 
35 #include "../common/h_fsmacros.h"
36 #include "../../h_macros.h"
37 
38 #define USE_OWNER							 \
39 	if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc) || FSTYPE_RUMPFS(tc)) \
40 	    atf_tc_skip("owner not supported by file system")
41 
42 static void
43 owner(const atf_tc_t *tc, const char *mp)
44 {
45 
46 	USE_OWNER;
47 
48 	FSTEST_ENTER();
49 
50 	rump_pub_lwproc_rfork(RUMP_RFCFDG);
51 	if (rump_sys_setuid(1) == -1)
52 		atf_tc_fail_errno("setuid");
53         if (rump_sys_chown(".", 1, -1) != -1 || errno != EPERM)
54 		atf_tc_fail_errno("chown");
55         if (rump_sys_chmod(".", 0000) != -1 || errno != EPERM)
56                 atf_tc_fail_errno("chmod");
57 	rump_pub_lwproc_releaselwp();
58 
59 	if (rump_sys_chown(".", 1, -1) == -1)
60 		atf_tc_fail_errno("chown");
61 
62 	rump_pub_lwproc_rfork(RUMP_RFCFDG);
63 	if (rump_sys_setuid(1) == -1)
64 		atf_tc_fail_errno("setuid");
65         if (rump_sys_chown(".", 1, -1) == -1)
66 		atf_tc_fail_errno("chown");
67         if (rump_sys_chmod(".", 0000) == -1)
68                 atf_tc_fail_errno("chmod");
69 	rump_pub_lwproc_releaselwp();
70 
71 	FSTEST_EXIT();
72 }
73 
74 
75 ATF_TC_FSAPPLY(owner, "owner unprivileged checks");
76 
77 ATF_TP_ADD_TCS(tp)
78 {
79 
80 	ATF_TP_FSAPPLY(owner);
81 
82 	return atf_no_error();
83 }
84