1 /* $NetBSD: t_setdomainname.c,v 1.2 2012/03/25 08:17:54 joerg 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 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_setdomainname.c,v 1.2 2012/03/25 08:17:54 joerg Exp $");
33 
34 #include <sys/param.h>
35 
36 #include <atf-c.h>
37 #include <errno.h>
38 #include <string.h>
39 #include <unistd.h>
40 
41 static char domain[MAXHOSTNAMELEN];
42 
43 static const char domains[][MAXHOSTNAMELEN] = {
44 	"1234567890",
45 	"abcdefghijklmnopqrst",
46 	"!#\xa4%&/(..xasS812=!=!(I(!;X;;X.as.dasa=?;,..<>|**^\xa8",
47 	"--------------------------------------------------------------------"
48 };
49 
50 ATF_TC_WITH_CLEANUP(setdomainname_basic);
51 ATF_TC_HEAD(setdomainname_basic, tc)
52 {
53 	atf_tc_set_md_var(tc, "descr", "A basic test of setdomainname(3)");
54 	atf_tc_set_md_var(tc, "require.user", "root");
55 }
56 
57 ATF_TC_BODY(setdomainname_basic, tc)
58 {
59 	char name[MAXHOSTNAMELEN];
60 	size_t i;
61 
62 	for (i = 0; i < __arraycount(domains); i++) {
63 
64 		(void)memset(name, 0, sizeof(name));
65 
66 #ifdef __FreeBSD__
67 		/*
68 		 * Sanity checks to ensure that the wrong invariant isn't being
69 		 * tested for per PR # 181127
70 		 */
71 		ATF_REQUIRE_EQ(sizeof(domains[i]), MAXHOSTNAMELEN);
72 		ATF_REQUIRE_EQ(sizeof(name), MAXHOSTNAMELEN);
73 
74 		ATF_REQUIRE(setdomainname(domains[i],sizeof(domains[i]) -  1) == 0);
75 		ATF_REQUIRE(getdomainname(name, sizeof(name) - 1) == 0);
76 #else
77 		ATF_REQUIRE(setdomainname(domains[i],sizeof(domains[i])) == 0);
78 		ATF_REQUIRE(getdomainname(name, sizeof(name)) == 0);
79 #endif
80 		ATF_REQUIRE(strcmp(domains[i], name) == 0);
81 	}
82 
83 	(void)setdomainname(domain, sizeof(domain));
84 }
85 
86 ATF_TC_CLEANUP(setdomainname_basic, tc)
87 {
88 	(void)setdomainname(domain, sizeof(domain));
89 }
90 
91 ATF_TC_WITH_CLEANUP(setdomainname_limit);
92 ATF_TC_HEAD(setdomainname_limit, tc)
93 {
94 	atf_tc_set_md_var(tc, "descr", "Too long domain name errors out?");
95 	atf_tc_set_md_var(tc, "require.user", "root");
96 }
97 
98 ATF_TC_BODY(setdomainname_limit, tc)
99 {
100 	char name[MAXHOSTNAMELEN + 1];
101 
102 	(void)memset(name, 0, sizeof(name));
103 
104 #ifdef __FreeBSD__
105 	ATF_REQUIRE(setdomainname(name, MAXHOSTNAMELEN - 1 ) == 0);
106 	ATF_REQUIRE(setdomainname(name, MAXHOSTNAMELEN) == -1);
107 #endif
108 	ATF_REQUIRE(setdomainname(name, sizeof(name)) == -1);
109 }
110 
111 ATF_TC_CLEANUP(setdomainname_limit, tc)
112 {
113 	(void)setdomainname(domain, sizeof(domain));
114 }
115 
116 ATF_TC_WITH_CLEANUP(setdomainname_perm);
117 ATF_TC_HEAD(setdomainname_perm, tc)
118 {
119 	atf_tc_set_md_var(tc, "descr", "Can normal user set the domain name?");
120 	atf_tc_set_md_var(tc, "require.user", "unprivileged");
121 }
122 
123 ATF_TC_BODY(setdomainname_perm, tc)
124 {
125 
126 	errno = 0;
127 
128 	ATF_REQUIRE_ERRNO(EPERM, setdomainname(domain, sizeof(domain)) == -1);
129 }
130 
131 ATF_TC_CLEANUP(setdomainname_perm, tc)
132 {
133 	(void)setdomainname(domain, sizeof(domain));
134 }
135 
136 ATF_TP_ADD_TCS(tp)
137 {
138 
139 	(void)memset(domain, 0, sizeof(domain));
140 
141 	ATF_REQUIRE(getdomainname(domain, sizeof(domain)) == 0);
142 
143 	ATF_TP_ADD_TC(tp, setdomainname_basic);
144 	ATF_TP_ADD_TC(tp, setdomainname_limit);
145 	ATF_TP_ADD_TC(tp, setdomainname_perm);
146 
147 	return atf_no_error();
148 }
149