1 /* $NetBSD: t_sethostname.c,v 1.3 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_sethostname.c,v 1.3 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 host[MAXHOSTNAMELEN]; 42 43 static const char hosts[][MAXHOSTNAMELEN] = { 44 "1234567890", 45 "abcdefghijklmnopqrst", 46 "!#\xa4%&/(..xasS812=!=!(I(!;X;;X.as.dasa=?;,..<>|**^\xa8", 47 "--------------------------------------------------------------------" 48 }; 49 50 ATF_TC_WITH_CLEANUP(sethostname_basic); 51 ATF_TC_HEAD(sethostname_basic, tc) 52 { 53 atf_tc_set_md_var(tc, "descr", "A basic test of sethostname(3)"); 54 atf_tc_set_md_var(tc, "require.user", "root"); 55 } 56 57 ATF_TC_BODY(sethostname_basic, tc) 58 { 59 char name[MAXHOSTNAMELEN]; 60 size_t i; 61 62 atf_tc_skip("screws up the test host's hostname on FreeBSD"); 63 64 for (i = 0; i < __arraycount(hosts); i++) { 65 66 (void)memset(name, 0, sizeof(name)); 67 68 #ifdef __FreeBSD__ 69 /* 70 * Sanity checks to ensure that the wrong invariant isn't being 71 * tested for per PR # 181127 72 */ 73 ATF_REQUIRE_EQ(sizeof(hosts[i]), MAXHOSTNAMELEN); 74 ATF_REQUIRE_EQ(sizeof(name), MAXHOSTNAMELEN); 75 76 ATF_REQUIRE(sethostname(hosts[i], sizeof(hosts[i]) - 1) == 0); 77 ATF_REQUIRE(gethostname(name, sizeof(name) - 1) == 0); 78 #else 79 ATF_REQUIRE(sethostname(hosts[i], sizeof(hosts[i])) == 0); 80 ATF_REQUIRE(gethostname(name, sizeof(name)) == 0); 81 #endif 82 ATF_REQUIRE(strcmp(hosts[i], name) == 0); 83 } 84 85 (void)sethostname(host, sizeof(host)); 86 } 87 88 ATF_TC_CLEANUP(sethostname_basic, tc) 89 { 90 (void)sethostname(host, sizeof(host)); 91 } 92 93 ATF_TC_WITH_CLEANUP(sethostname_limit); 94 ATF_TC_HEAD(sethostname_limit, tc) 95 { 96 atf_tc_set_md_var(tc, "descr", "Too long host name errors out?"); 97 atf_tc_set_md_var(tc, "require.user", "root"); 98 } 99 100 ATF_TC_BODY(sethostname_limit, tc) 101 { 102 char name[MAXHOSTNAMELEN + 1]; 103 104 (void)memset(name, 0, sizeof(name)); 105 106 ATF_REQUIRE(sethostname(name, sizeof(name)) == -1); 107 } 108 109 ATF_TC_CLEANUP(sethostname_limit, tc) 110 { 111 #ifdef __FreeBSD__ 112 ATF_REQUIRE(sethostname(host, MAXHOSTNAMELEN - 1 ) == 0); 113 ATF_REQUIRE(sethostname(host, MAXHOSTNAMELEN) == -1); 114 #endif 115 (void)sethostname(host, sizeof(host)); 116 } 117 118 ATF_TC_WITH_CLEANUP(sethostname_perm); 119 ATF_TC_HEAD(sethostname_perm, tc) 120 { 121 atf_tc_set_md_var(tc, "descr", "Can normal user set the host name?"); 122 atf_tc_set_md_var(tc, "require.user", "unprivileged"); 123 } 124 125 ATF_TC_BODY(sethostname_perm, tc) 126 { 127 128 errno = 0; 129 130 ATF_REQUIRE_ERRNO(EPERM, sethostname(host, sizeof(host)) == -1); 131 } 132 133 ATF_TC_CLEANUP(sethostname_perm, tc) 134 { 135 (void)sethostname(host, sizeof(host)); 136 } 137 138 ATF_TP_ADD_TCS(tp) 139 { 140 141 (void)memset(host, 0, sizeof(host)); 142 143 ATF_REQUIRE(gethostname(host, sizeof(host)) == 0); 144 145 ATF_TP_ADD_TC(tp, sethostname_basic); 146 ATF_TP_ADD_TC(tp, sethostname_limit); 147 ATF_TP_ADD_TC(tp, sethostname_perm); 148 149 return atf_no_error(); 150 } 151