user_test.c revision 275988 
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
43ATF_TC(euid);
44ATF_TC_HEAD(euid, tc)
45{
46    atf_tc_set_md_var(tc, "descr", "Tests the atf_user_euid function");
47}
48ATF_TC_BODY(euid, tc)
49{
50    ATF_REQUIRE_EQ(atf_user_euid(), geteuid());
51}
52
53ATF_TC(is_member_of_group);
54ATF_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}
59ATF_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
107ATF_TC(is_root);
108ATF_TC_HEAD(is_root, tc)
109{
110    atf_tc_set_md_var(tc, "descr", "Tests the atf_user_is_root function");
111}
112ATF_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
120ATF_TC(is_unprivileged);
121ATF_TC_HEAD(is_unprivileged, tc)
122{
123    atf_tc_set_md_var(tc, "descr", "Tests the atf_user_is_unprivileged "
124                      "function");
125}
126ATF_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
138ATF_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