1 /*	$NetBSD: user_test.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 
35 #include <limits.h>
36 #include <stdio.h>
37 #include <unistd.h>
38 
39 #include <atf-c.h>
40 
41 #include "test_helpers.h"
42 #include "user.h"
43 
44 /* ---------------------------------------------------------------------
45  * Test cases for the free functions.
46  * --------------------------------------------------------------------- */
47 
48 ATF_TC(euid);
49 ATF_TC_HEAD(euid, tc)
50 {
51     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_euid function");
52 }
53 ATF_TC_BODY(euid, tc)
54 {
55     ATF_REQUIRE_EQ(atf_user_euid(), geteuid());
56 }
57 
58 ATF_TC(is_member_of_group);
59 ATF_TC_HEAD(is_member_of_group, tc)
60 {
61     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_is_member_of_group "
62                       "function");
63 }
64 ATF_TC_BODY(is_member_of_group, tc)
65 {
66     gid_t gids[NGROUPS_MAX];
67     gid_t g, maxgid;
68     int ngids;
69     const gid_t maxgid_limit = 1 << 16;
70 
71     {
72         int i;
73 
74         ngids = getgroups(NGROUPS_MAX, gids);
75         if (ngids == -1)
76             atf_tc_fail("Call to getgroups failed");
77         maxgid = 0;
78         for (i = 0; i < ngids; i++) {
79             printf("User group %d is %u\n", i, gids[i]);
80             if (maxgid < gids[i])
81                 maxgid = gids[i];
82         }
83         printf("User belongs to %d groups\n", ngids);
84         printf("Last GID is %u\n", maxgid);
85     }
86 
87     if (maxgid > maxgid_limit) {
88         printf("Test truncated from %u groups to %u to keep the run time "
89                "reasonable enough\n", maxgid, maxgid_limit);
90         maxgid = maxgid_limit;
91     }
92 
93     for (g = 0; g < maxgid; g++) {
94         bool found = false;
95         int i;
96 
97         for (i = 0; !found && i < ngids; i++) {
98             if (gids[i] == g)
99                 found = true;
100         }
101 
102         if (found) {
103             printf("Checking if user belongs to group %d\n", g);
104             ATF_REQUIRE(atf_user_is_member_of_group(g));
105         } else {
106             printf("Checking if user does not belong to group %d\n", g);
107             ATF_REQUIRE(!atf_user_is_member_of_group(g));
108         }
109     }
110 }
111 
112 ATF_TC(is_root);
113 ATF_TC_HEAD(is_root, tc)
114 {
115     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_is_root function");
116 }
117 ATF_TC_BODY(is_root, tc)
118 {
119     if (geteuid() == 0)
120         ATF_REQUIRE(atf_user_is_root());
121     else
122         ATF_REQUIRE(!atf_user_is_root());
123 }
124 
125 ATF_TC(is_unprivileged);
126 ATF_TC_HEAD(is_unprivileged, tc)
127 {
128     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_is_unprivileged "
129                       "function");
130 }
131 ATF_TC_BODY(is_unprivileged, tc)
132 {
133     if (geteuid() != 0)
134         ATF_REQUIRE(atf_user_is_unprivileged());
135     else
136         ATF_REQUIRE(!atf_user_is_unprivileged());
137 }
138 
139 /* ---------------------------------------------------------------------
140  * Main.
141  * --------------------------------------------------------------------- */
142 
143 ATF_TP_ADD_TCS(tp)
144 {
145     ATF_TP_ADD_TC(tp, euid);
146     ATF_TP_ADD_TC(tp, is_member_of_group);
147     ATF_TP_ADD_TC(tp, is_root);
148     ATF_TP_ADD_TC(tp, is_unprivileged);
149 
150     return atf_no_error();
151 }
152