1 /* $NetBSD: user.c,v 1.3 2014/12/10 04:38:03 christos Exp $ */
2
3 /*
4 * Automated Testing Framework (atf)
5 *
6 * Copyright (c) 2007 The NetBSD Foundation, Inc.
7 * All rights reserved.
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 NETBSD FOUNDATION, INC. AND
19 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
20 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
25 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
27 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
29 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/param.h>
33 #include <sys/types.h>
34 #include <limits.h>
35 #include <unistd.h>
36
37 #include "sanity.h"
38 #include "user.h"
39
40 /* ---------------------------------------------------------------------
41 * Free functions.
42 * --------------------------------------------------------------------- */
43
44 uid_t
atf_user_euid(void)45 atf_user_euid(void)
46 {
47 return geteuid();
48 }
49
50 bool
atf_user_is_member_of_group(gid_t gid)51 atf_user_is_member_of_group(gid_t gid)
52 {
53 static gid_t groups[NGROUPS_MAX];
54 static int ngroups = -1;
55 bool found;
56 int i;
57
58 if (ngroups == -1) {
59 ngroups = getgroups(NGROUPS_MAX, groups);
60 INV(ngroups >= 0);
61 }
62
63 found = false;
64 for (i = 0; !found && i < ngroups; i++)
65 if (groups[i] == gid)
66 found = true;
67 return found;
68 }
69
70 bool
atf_user_is_root(void)71 atf_user_is_root(void)
72 {
73 return geteuid() == 0;
74 }
75
76 bool
atf_user_is_unprivileged(void)77 atf_user_is_unprivileged(void)
78 {
79 return geteuid() != 0;
80 }
81