1 /* $NetBSD: t_setdomainname.c,v 1.2 2012/03/25 08:17:54 joerg Exp $ */
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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.
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_setdomainname.c,v 1.2 2012/03/25 08:17:54 joerg Exp $");
34 #include <sys/param.h>
43 #define DOMAIN_BACKUP_FILE "domain.bak"
45 static const char domains[][MAXHOSTNAMELEN] = {
47 "abcdefghijklmnopqrst",
48 "!#\xa4%&/(..xasS812=!=!(I(!;X;;X.as.dasa=?;,..<>|**^\xa8",
49 "--------------------------------------------------------------------"
55 char domain[MAXHOSTNAMELEN];
60 memset(domain, 0, sizeof(domain));
62 ATF_REQUIRE_EQ(0, getdomainname(domain, sizeof(domain)));
63 l = strnlen(domain, MAXHOSTNAMELEN);
64 fd = open(DOMAIN_BACKUP_FILE, O_WRONLY | O_CREAT | O_EXCL, 0644);
66 while ((r = write(fd, domain + n, l - n)) > 0)
75 char domain[MAXHOSTNAMELEN];
79 memset(domain, 0, sizeof(domain));
80 if ((fd = open(DOMAIN_BACKUP_FILE, O_RDONLY)) < 0)
82 while ((r = read(fd, domain + n, sizeof(domain) - n)) > 0)
86 if (setdomainname(domain, n) != 0)
87 err(1, "setdomainname");
91 ATF_TC_WITH_CLEANUP(setdomainname_basic);
92 ATF_TC_HEAD(setdomainname_basic, tc)
94 atf_tc_set_md_var(tc, "descr", "A basic test of setdomainname(3)");
95 atf_tc_set_md_var(tc, "require.user", "root");
98 ATF_TC_BODY(setdomainname_basic, tc)
100 char name[MAXHOSTNAMELEN];
104 for (i = 0; i < __arraycount(domains); i++) {
106 (void)memset(name, 0, sizeof(name));
110 * Sanity checks to ensure that the wrong invariant isn't being
111 * tested for per PR # 181127
113 ATF_REQUIRE_EQ(sizeof(domains[i]), MAXHOSTNAMELEN);
114 ATF_REQUIRE_EQ(sizeof(name), MAXHOSTNAMELEN);
116 ATF_REQUIRE(setdomainname(domains[i],sizeof(domains[i]) - 1) == 0);
117 ATF_REQUIRE(getdomainname(name, sizeof(name) - 1) == 0);
119 ATF_REQUIRE(setdomainname(domains[i],sizeof(domains[i])) == 0);
120 ATF_REQUIRE(getdomainname(name, sizeof(name)) == 0);
122 ATF_REQUIRE(strcmp(domains[i], name) == 0);
127 ATF_TC_CLEANUP(setdomainname_basic, tc)
132 ATF_TC_WITH_CLEANUP(setdomainname_limit);
133 ATF_TC_HEAD(setdomainname_limit, tc)
135 atf_tc_set_md_var(tc, "descr", "Too long domain name errors out?");
136 atf_tc_set_md_var(tc, "require.user", "root");
139 ATF_TC_BODY(setdomainname_limit, tc)
141 char name[MAXHOSTNAMELEN + 1];
143 (void)memset(name, 0, sizeof(name));
147 ATF_REQUIRE(setdomainname(name, MAXHOSTNAMELEN - 1 ) == 0);
148 ATF_REQUIRE(setdomainname(name, MAXHOSTNAMELEN) == -1);
150 ATF_REQUIRE(setdomainname(name, sizeof(name)) == -1);
153 ATF_TC_CLEANUP(setdomainname_limit, tc)
158 ATF_TC(setdomainname_perm);
159 ATF_TC_HEAD(setdomainname_perm, tc)
161 atf_tc_set_md_var(tc, "descr", "Can normal user set the domain name?");
162 atf_tc_set_md_var(tc, "require.user", "unprivileged");
165 ATF_TC_BODY(setdomainname_perm, tc)
167 char domain[MAXHOSTNAMELEN];
169 memset(domain, 0, sizeof(domain));
172 ATF_REQUIRE_ERRNO(EPERM, setdomainname(domain, sizeof(domain)) == -1);
177 ATF_TP_ADD_TC(tp, setdomainname_basic);
178 ATF_TP_ADD_TC(tp, setdomainname_limit);
179 ATF_TP_ADD_TC(tp, setdomainname_perm);
181 return atf_no_error();