2 * Copyright (c) 2006 nCircle Network Security, Inc.
3 * Copyright (c) 2007 Robert N. M. Watson
6 * This software was developed by Robert N. M. Watson for the TrustedBSD
7 * Project under contract to nCircle Network Security, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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.
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.
34 * Test setting a kernel environment variable, then try to unset it.
37 #include <sys/types.h>
48 priv_kenv_unset_setup(int asroot, int injail, struct test *test)
51 if (kenv(KENV_SET, KENV_VAR_NAME, KENV_VAR_VALUE, KENV_VAR_LEN) < 0) {
52 warn("priv_kenv_unset: kenv");
59 priv_kenv_unset(int asroot, int injail, struct test *test)
63 error = kenv(KENV_UNSET, KENV_VAR_NAME, NULL, 0);
65 expect("priv_kenv_unset(asroot, injail)", error, -1, EPERM);
66 if (asroot && !injail)
67 expect("priv_kenv_unset(asroot, !injail)", error, 0, 0);
68 if (!asroot && injail)
69 expect("priv_kenv_unset(!asroot, injail)", error, -1, EPERM);
70 if (!asroot && !injail)
71 expect("priv_kenv_unset(!asroot, !injail)", error, -1, EPERM);
75 priv_kenv_unset_cleanup(int asroot, int injail, struct test *test)
78 (void)kenv(KENV_UNSET, KENV_VAR_NAME, NULL, 0);