1 /* $NetBSD: t_getgrent.c,v 1.2 2011/05/11 19:06:45 njoly Exp $ */
2
3 /*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jukka Ruohonen.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*
33 * Copyright (c) 2009, Stathis Kamperis
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 *
45 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
46 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
47 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
48 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
49 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
50 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
51 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
52 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
53 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
54 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
55 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56 * SUCH DAMAGE.
57 */
58 #include <sys/cdefs.h>
59 __RCSID("$NetBSD: t_getgrent.c,v 1.2 2011/05/11 19:06:45 njoly Exp $");
60
61 #include <sys/wait.h>
62
63 #include <atf-c.h>
64 #include <grp.h>
65 #include <stdlib.h>
66 #include <unistd.h>
67
68 ATF_TC(getgrent_loop);
ATF_TC_HEAD(getgrent_loop,tc)69 ATF_TC_HEAD(getgrent_loop, tc)
70 {
71 atf_tc_set_md_var(tc, "descr", "Test sequential getgrent(2)");
72 }
73
ATF_TC_BODY(getgrent_loop,tc)74 ATF_TC_BODY(getgrent_loop, tc)
75 {
76 struct group *gr;
77 size_t i, j;
78
79 /*
80 * Loop over the group database. The first
81 * call returns the first entry and subsequent
82 * calls return the rest of the entries.
83 */
84 i = j = 0;
85
86 while((gr = getgrent()) != NULL)
87 i++;
88
89 /*
90 * Rewind the database to the beginning
91 * and loop over again until the end.
92 */
93 setgrent();
94
95 while((gr = getgrent()) != NULL)
96 j++;
97
98 if (i != j)
99 atf_tc_fail("sequential getgrent(3) failed");
100
101 /*
102 * Close the database and reopen it.
103 * The getgrent(3) call should always
104 * automatically rewind the database.
105 */
106 endgrent();
107
108 j = 0;
109
110 while((gr = getgrent()) != NULL)
111 j++;
112
113 if (i != j)
114 atf_tc_fail("getgrent(3) did not rewind");
115 }
116
117 ATF_TC(getgrent_setgid);
ATF_TC_HEAD(getgrent_setgid,tc)118 ATF_TC_HEAD(getgrent_setgid, tc)
119 {
120 atf_tc_set_md_var(tc, "descr", "Test consistency of the group db");
121 atf_tc_set_md_var(tc, "require.user", "root");
122 }
123
ATF_TC_BODY(getgrent_setgid,tc)124 ATF_TC_BODY(getgrent_setgid, tc)
125 {
126 struct group *gr, *gr1, *gr2;
127 int rv, sta;
128 pid_t pid;
129
130 /*
131 * Verify that the database is consistent.
132 *
133 * Note that because of the static buffers
134 * used by getgrent(3), fork(2) is required,
135 * even without the setgid(2) check.
136 */
137 while((gr = getgrent()) != NULL) {
138
139 pid = fork();
140 ATF_REQUIRE(pid >= 0);
141
142 if (pid == 0) {
143
144 gr1 = getgrgid(gr->gr_gid);
145
146 if (gr1 == NULL)
147 _exit(EXIT_FAILURE);
148
149 gr2 = getgrnam(gr->gr_name);
150
151 if (gr2 == NULL)
152 _exit(EXIT_FAILURE);
153
154 rv = setgid(gr->gr_gid);
155
156 if (rv != 0)
157 _exit(EXIT_FAILURE);
158
159 _exit(EXIT_SUCCESS);
160 }
161
162 (void)wait(&sta);
163
164 if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
165 goto fail;
166 }
167
168 return;
169
170 fail:
171 atf_tc_fail("group database is inconsistent");
172 }
173
ATF_TP_ADD_TCS(tp)174 ATF_TP_ADD_TCS(tp)
175 {
176
177 ATF_TP_ADD_TC(tp, getgrent_loop);
178 ATF_TP_ADD_TC(tp, getgrent_setgid);
179
180 return atf_no_error();
181 }
182