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t_sethostname.c revision 1.1 
      1 /* $NetBSD: t_sethostname.c,v 1.1 2011/06/02 12:15:33 jruoho 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 1.1 2011/06/02 12:15:33 jruoho 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 	"!#%&/(..xasS812=!=!(I(!;X;;X.as.dasa=?;,..<>|**^",
     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 	for (i = 0; i < __arraycount(hosts); i++) {
     63 
     64 		(void)memset(name, 0, sizeof(name));
     65 
     66 		ATF_REQUIRE(sethostname(hosts[i], sizeof(hosts[i])) == 0);
     67 		ATF_REQUIRE(gethostname(name, sizeof(name)) == 0);
     68 		ATF_REQUIRE(strcmp(hosts[i], name) == 0);
     69 	}
     70 }
     71 
     72 ATF_TC_CLEANUP(sethostname_basic, tc)
     73 {
     74 	(void)sethostname(host, sizeof(host));
     75 }
     76 
     77 ATF_TC_WITH_CLEANUP(sethostname_limit);
     78 ATF_TC_HEAD(sethostname_limit, tc)
     79 {
     80 	atf_tc_set_md_var(tc, "descr", "Too long host name errors out?");
     81 	atf_tc_set_md_var(tc, "require.user", "root");
     82 }
     83 
     84 ATF_TC_BODY(sethostname_limit, tc)
     85 {
     86 	char name[MAXHOSTNAMELEN + 1];
     87 
     88 	(void)memset(name, 0, sizeof(name));
     89 
     90 	ATF_REQUIRE(sethostname(name, sizeof(name)) == -1);
     91 }
     92 
     93 ATF_TC_CLEANUP(sethostname_limit, tc)
     94 {
     95 	(void)sethostname(host, sizeof(host));
     96 }
     97 
     98 ATF_TC_WITH_CLEANUP(sethostname_perm);
     99 ATF_TC_HEAD(sethostname_perm, tc)
    100 {
    101 	atf_tc_set_md_var(tc, "descr", "Can normal user set the host name?");
    102 	atf_tc_set_md_var(tc, "require.user", "unprivileged");
    103 }
    104 
    105 ATF_TC_BODY(sethostname_perm, tc)
    106 {
    107 
    108 	errno = 0;
    109 
    110 	ATF_REQUIRE_ERRNO(EPERM, sethostname(host, sizeof(host)) == -1);
    111 }
    112 
    113 ATF_TC_CLEANUP(sethostname_perm, tc)
    114 {
    115 	(void)sethostname(host, sizeof(host));
    116 }
    117 
    118 ATF_TP_ADD_TCS(tp)
    119 {
    120 
    121 	(void)memset(host, 0, sizeof(host));
    122 
    123 	ATF_REQUIRE(gethostname(host, sizeof(host)) == 0);
    124 
    125 	ATF_TP_ADD_TC(tp, sethostname_basic);
    126 	ATF_TP_ADD_TC(tp, sethostname_limit);
    127 	ATF_TP_ADD_TC(tp, sethostname_perm);
    128 
    129 	return atf_no_error();
    130 }
    131