1 /*-
2 * Copyright (c) 2006 nCircle Network Security, Inc.
3 * Copyright (c) 2007 Robert N. M. Watson
4 * All rights reserved.
5 *
6 * This software was developed by Robert N. M. Watson for the TrustedBSD
7 * Project under contract to nCircle Network Security, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY,
22 * INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
24 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
25 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
26 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 /*
32 * Test setting a kernel environment variable, then try to unset it.
33 */
34
35 #include <sys/types.h>
36
37 #include <err.h>
38 #include <errno.h>
39 #include <kenv.h>
40 #include <string.h>
41 #include <unistd.h>
42
43 #include "main.h"
44
45 int
priv_kenv_unset_setup(int asroot,int injail,struct test * test)46 priv_kenv_unset_setup(int asroot, int injail, struct test *test)
47 {
48
49 if (kenv(KENV_SET, KENV_VAR_NAME, KENV_VAR_VALUE, KENV_VAR_LEN) < 0) {
50 warn("priv_kenv_unset: kenv");
51 return (-1);
52 }
53 return (0);
54 }
55
56 void
priv_kenv_unset(int asroot,int injail,struct test * test)57 priv_kenv_unset(int asroot, int injail, struct test *test)
58 {
59 int error;
60
61 error = kenv(KENV_UNSET, KENV_VAR_NAME, NULL, 0);
62 if (asroot && injail)
63 expect("priv_kenv_unset(asroot, injail)", error, -1, EPERM);
64 if (asroot && !injail)
65 expect("priv_kenv_unset(asroot, !injail)", error, 0, 0);
66 if (!asroot && injail)
67 expect("priv_kenv_unset(!asroot, injail)", error, -1, EPERM);
68 if (!asroot && !injail)
69 expect("priv_kenv_unset(!asroot, !injail)", error, -1, EPERM);
70 }
71
72 void
priv_kenv_unset_cleanup(int asroot,int injail,struct test * test)73 priv_kenv_unset_cleanup(int asroot, int injail, struct test *test)
74 {
75
76 (void)kenv(KENV_UNSET, KENV_VAR_NAME, NULL, 0);
77 }
78