xref: /freebsd/contrib/atf/atf-c/detail/user_test.c (revision 2a664c03e55254b0f3b32dcdfc78179c0a57a8d2)
1 /*
2  * Automated Testing Framework (atf)
3  *
4  * Copyright (c) 2007 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
17  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include <sys/param.h>
31 #include <sys/types.h>
32 
33 #include <limits.h>
34 #include <stdio.h>
35 #include <unistd.h>
36 
37 #include <atf-c.h>
38 
39 #include "test_helpers.h"
40 #include "user.h"
41 
42 /* ---------------------------------------------------------------------
43  * Test cases for the free functions.
44  * --------------------------------------------------------------------- */
45 
46 ATF_TC(euid);
47 ATF_TC_HEAD(euid, tc)
48 {
49     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_euid function");
50 }
51 ATF_TC_BODY(euid, tc)
52 {
53     ATF_REQUIRE_EQ(atf_user_euid(), geteuid());
54 }
55 
56 ATF_TC(is_member_of_group);
57 ATF_TC_HEAD(is_member_of_group, tc)
58 {
59     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_is_member_of_group "
60                       "function");
61 }
62 ATF_TC_BODY(is_member_of_group, tc)
63 {
64     gid_t gids[NGROUPS_MAX];
65     gid_t g, maxgid;
66     int ngids;
67     const gid_t maxgid_limit = 1 << 16;
68 
69     {
70         int i;
71 
72         ngids = getgroups(NGROUPS_MAX, gids);
73         if (ngids == -1)
74             atf_tc_fail("Call to getgroups failed");
75         maxgid = 0;
76         for (i = 0; i < ngids; i++) {
77             printf("User group %d is %u\n", i, gids[i]);
78             if (maxgid < gids[i])
79                 maxgid = gids[i];
80         }
81         printf("User belongs to %d groups\n", ngids);
82         printf("Last GID is %u\n", maxgid);
83     }
84 
85     if (maxgid > maxgid_limit) {
86         printf("Test truncated from %u groups to %u to keep the run time "
87                "reasonable enough\n", maxgid, maxgid_limit);
88         maxgid = maxgid_limit;
89     }
90 
91     for (g = 0; g < maxgid; g++) {
92         bool found = false;
93         int i;
94 
95         for (i = 0; !found && i < ngids; i++) {
96             if (gids[i] == g)
97                 found = true;
98         }
99 
100         if (found) {
101             printf("Checking if user belongs to group %d\n", g);
102             ATF_REQUIRE(atf_user_is_member_of_group(g));
103         } else {
104             printf("Checking if user does not belong to group %d\n", g);
105             ATF_REQUIRE(!atf_user_is_member_of_group(g));
106         }
107     }
108 }
109 
110 ATF_TC(is_root);
111 ATF_TC_HEAD(is_root, tc)
112 {
113     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_is_root function");
114 }
115 ATF_TC_BODY(is_root, tc)
116 {
117     if (geteuid() == 0)
118         ATF_REQUIRE(atf_user_is_root());
119     else
120         ATF_REQUIRE(!atf_user_is_root());
121 }
122 
123 ATF_TC(is_unprivileged);
124 ATF_TC_HEAD(is_unprivileged, tc)
125 {
126     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_is_unprivileged "
127                       "function");
128 }
129 ATF_TC_BODY(is_unprivileged, tc)
130 {
131     if (geteuid() != 0)
132         ATF_REQUIRE(atf_user_is_unprivileged());
133     else
134         ATF_REQUIRE(!atf_user_is_unprivileged());
135 }
136 
137 /* ---------------------------------------------------------------------
138  * Main.
139  * --------------------------------------------------------------------- */
140 
141 ATF_TP_ADD_TCS(tp)
142 {
143     ATF_TP_ADD_TC(tp, euid);
144     ATF_TP_ADD_TC(tp, is_member_of_group);
145     ATF_TP_ADD_TC(tp, is_root);
146     ATF_TP_ADD_TC(tp, is_unprivileged);
147 
148     return atf_no_error();
149 }
150