xref: /freebsd/contrib/atf/atf-c/detail/user_test.c (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /* Copyright (c) 2007 The NetBSD Foundation, Inc.
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
14  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
15  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
20  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
22  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
24  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  */
25 
26 #include "atf-c/detail/user.h"
27 
28 #include <sys/param.h>
29 #include <sys/types.h>
30 
31 #include <limits.h>
32 #include <stdio.h>
33 #include <unistd.h>
34 
35 #include <atf-c.h>
36 
37 #include "atf-c/detail/test_helpers.h"
38 
39 /* ---------------------------------------------------------------------
40  * Test cases for the free functions.
41  * --------------------------------------------------------------------- */
42 
43 ATF_TC(euid);
44 ATF_TC_HEAD(euid, tc)
45 {
46     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_euid function");
47 }
48 ATF_TC_BODY(euid, tc)
49 {
50     ATF_REQUIRE_EQ(atf_user_euid(), geteuid());
51 }
52 
53 ATF_TC(is_member_of_group);
54 ATF_TC_HEAD(is_member_of_group, tc)
55 {
56     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_is_member_of_group "
57                       "function");
58 }
59 ATF_TC_BODY(is_member_of_group, tc)
60 {
61     gid_t gids[NGROUPS_MAX];
62     gid_t g, maxgid;
63     int ngids;
64     const gid_t maxgid_limit = 1 << 16;
65 
66     {
67         int i;
68 
69         ngids = getgroups(NGROUPS_MAX, gids);
70         if (ngids == -1)
71             atf_tc_fail("Call to getgroups failed");
72         maxgid = 0;
73         for (i = 0; i < ngids; i++) {
74             printf("User group %d is %u\n", i, gids[i]);
75             if (maxgid < gids[i])
76                 maxgid = gids[i];
77         }
78         printf("User belongs to %d groups\n", ngids);
79         printf("Last GID is %u\n", maxgid);
80     }
81 
82     if (maxgid > maxgid_limit) {
83         printf("Test truncated from %u groups to %u to keep the run time "
84                "reasonable enough\n", maxgid, maxgid_limit);
85         maxgid = maxgid_limit;
86     }
87 
88     for (g = 0; g < maxgid; g++) {
89         bool found = false;
90         int i;
91 
92         for (i = 0; !found && i < ngids; i++) {
93             if (gids[i] == g)
94                 found = true;
95         }
96 
97         if (found) {
98             printf("Checking if user belongs to group %d\n", g);
99             ATF_REQUIRE(atf_user_is_member_of_group(g));
100         } else {
101             printf("Checking if user does not belong to group %d\n", g);
102             ATF_REQUIRE(!atf_user_is_member_of_group(g));
103         }
104     }
105 }
106 
107 ATF_TC(is_root);
108 ATF_TC_HEAD(is_root, tc)
109 {
110     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_is_root function");
111 }
112 ATF_TC_BODY(is_root, tc)
113 {
114     if (geteuid() == 0)
115         ATF_REQUIRE(atf_user_is_root());
116     else
117         ATF_REQUIRE(!atf_user_is_root());
118 }
119 
120 ATF_TC(is_unprivileged);
121 ATF_TC_HEAD(is_unprivileged, tc)
122 {
123     atf_tc_set_md_var(tc, "descr", "Tests the atf_user_is_unprivileged "
124                       "function");
125 }
126 ATF_TC_BODY(is_unprivileged, tc)
127 {
128     if (geteuid() != 0)
129         ATF_REQUIRE(atf_user_is_unprivileged());
130     else
131         ATF_REQUIRE(!atf_user_is_unprivileged());
132 }
133 
134 /* ---------------------------------------------------------------------
135  * Main.
136  * --------------------------------------------------------------------- */
137 
138 ATF_TP_ADD_TCS(tp)
139 {
140     ATF_TP_ADD_TC(tp, euid);
141     ATF_TP_ADD_TC(tp, is_member_of_group);
142     ATF_TP_ADD_TC(tp, is_root);
143     ATF_TP_ADD_TC(tp, is_unprivileged);
144 
145     return atf_no_error();
146 }
147