t_sethostname.c revision 272905
1272343Sngie/* $NetBSD: t_sethostname.c,v 1.3 2012/03/25 08:17:54 joerg Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2011 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * This code is derived from software contributed to The NetBSD Foundation 8272343Sngie * by Jukka Ruohonen. 9272343Sngie * 10272343Sngie * Redistribution and use in source and binary forms, with or without 11272343Sngie * modification, are permitted provided that the following conditions 12272343Sngie * are met: 13272343Sngie * 1. Redistributions of source code must retain the above copyright 14272343Sngie * notice, this list of conditions and the following disclaimer. 15272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 16272343Sngie * notice, this list of conditions and the following disclaimer in the 17272343Sngie * documentation and/or other materials provided with the distribution. 18272343Sngie * 19272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29272343Sngie * POSSIBILITY OF SUCH DAMAGE. 30272343Sngie */ 31272343Sngie#include <sys/cdefs.h> 32272343Sngie__RCSID("$NetBSD: t_sethostname.c,v 1.3 2012/03/25 08:17:54 joerg Exp $"); 33272343Sngie 34272343Sngie#include <sys/param.h> 35272343Sngie 36272343Sngie#include <atf-c.h> 37272343Sngie#include <errno.h> 38272343Sngie#include <string.h> 39272343Sngie#include <unistd.h> 40272343Sngie 41272343Sngiestatic char host[MAXHOSTNAMELEN]; 42272343Sngie 43272343Sngiestatic const char hosts[][MAXHOSTNAMELEN] = { 44272343Sngie "1234567890", 45272343Sngie "abcdefghijklmnopqrst", 46272343Sngie "!#\xa4%&/(..xasS812=!=!(I(!;X;;X.as.dasa=?;,..<>|**^\xa8", 47272343Sngie "--------------------------------------------------------------------" 48272343Sngie}; 49272343Sngie 50272343SngieATF_TC_WITH_CLEANUP(sethostname_basic); 51272343SngieATF_TC_HEAD(sethostname_basic, tc) 52272343Sngie{ 53272343Sngie atf_tc_set_md_var(tc, "descr", "A basic test of sethostname(3)"); 54272343Sngie atf_tc_set_md_var(tc, "require.user", "root"); 55272343Sngie} 56272343Sngie 57272343SngieATF_TC_BODY(sethostname_basic, tc) 58272343Sngie{ 59272343Sngie char name[MAXHOSTNAMELEN]; 60272343Sngie size_t i; 61272343Sngie 62272343Sngie for (i = 0; i < __arraycount(hosts); i++) { 63272343Sngie 64272343Sngie (void)memset(name, 0, sizeof(name)); 65272343Sngie 66272905Sngie#if defined(__FreeBSD__) 67272905Sngie /* 68272905Sngie * Sanity checks to ensure that the wrong invariant isn't being 69272905Sngie * tested for per PR # 181127 70272905Sngie */ 71272905Sngie ATF_REQUIRE_EQ(sizeof(hosts[i]), MAXHOSTNAMELEN); 72272905Sngie ATF_REQUIRE_EQ(sizeof(name), MAXHOSTNAMELEN); 73272905Sngie 74272905Sngie ATF_REQUIRE(sethostname(hosts[i], sizeof(hosts[i]) - 1) == 0); 75272905Sngie ATF_REQUIRE(gethostname(name, sizeof(name) - 1) == 0); 76272905Sngie#else 77272343Sngie ATF_REQUIRE(sethostname(hosts[i], sizeof(hosts[i])) == 0); 78272343Sngie ATF_REQUIRE(gethostname(name, sizeof(name)) == 0); 79272905Sngie#endif 80272343Sngie ATF_REQUIRE(strcmp(hosts[i], name) == 0); 81272343Sngie } 82272343Sngie 83272343Sngie (void)sethostname(host, sizeof(host)); 84272343Sngie} 85272343Sngie 86272343SngieATF_TC_CLEANUP(sethostname_basic, tc) 87272343Sngie{ 88272343Sngie (void)sethostname(host, sizeof(host)); 89272343Sngie} 90272343Sngie 91272343SngieATF_TC_WITH_CLEANUP(sethostname_limit); 92272343SngieATF_TC_HEAD(sethostname_limit, tc) 93272343Sngie{ 94272343Sngie atf_tc_set_md_var(tc, "descr", "Too long host name errors out?"); 95272343Sngie atf_tc_set_md_var(tc, "require.user", "root"); 96272343Sngie} 97272343Sngie 98272343SngieATF_TC_BODY(sethostname_limit, tc) 99272343Sngie{ 100272343Sngie char name[MAXHOSTNAMELEN + 1]; 101272343Sngie 102272343Sngie (void)memset(name, 0, sizeof(name)); 103272343Sngie 104272343Sngie ATF_REQUIRE(sethostname(name, sizeof(name)) == -1); 105272343Sngie} 106272343Sngie 107272343SngieATF_TC_CLEANUP(sethostname_limit, tc) 108272343Sngie{ 109272905Sngie#if defined(__FreeBSD__) 110272905Sngie ATF_REQUIRE(sethostname(host, MAXHOSTNAMELEN - 1 ) == 0); 111272905Sngie ATF_REQUIRE(sethostname(host, MAXHOSTNAMELEN) == -1); 112272905Sngie#endif 113272343Sngie (void)sethostname(host, sizeof(host)); 114272343Sngie} 115272343Sngie 116272343SngieATF_TC_WITH_CLEANUP(sethostname_perm); 117272343SngieATF_TC_HEAD(sethostname_perm, tc) 118272343Sngie{ 119272343Sngie atf_tc_set_md_var(tc, "descr", "Can normal user set the host name?"); 120272343Sngie atf_tc_set_md_var(tc, "require.user", "unprivileged"); 121272343Sngie} 122272343Sngie 123272343SngieATF_TC_BODY(sethostname_perm, tc) 124272343Sngie{ 125272343Sngie 126272343Sngie errno = 0; 127272343Sngie 128272343Sngie ATF_REQUIRE_ERRNO(EPERM, sethostname(host, sizeof(host)) == -1); 129272343Sngie} 130272343Sngie 131272343SngieATF_TC_CLEANUP(sethostname_perm, tc) 132272343Sngie{ 133272343Sngie (void)sethostname(host, sizeof(host)); 134272343Sngie} 135272343Sngie 136272343SngieATF_TP_ADD_TCS(tp) 137272343Sngie{ 138272343Sngie 139272343Sngie (void)memset(host, 0, sizeof(host)); 140272343Sngie 141272343Sngie ATF_REQUIRE(gethostname(host, sizeof(host)) == 0); 142272343Sngie 143272343Sngie ATF_TP_ADD_TC(tp, sethostname_basic); 144272343Sngie ATF_TP_ADD_TC(tp, sethostname_limit); 145272343Sngie ATF_TP_ADD_TC(tp, sethostname_perm); 146272343Sngie 147272343Sngie return atf_no_error(); 148272343Sngie} 149