tests/lib/libc/sys/t_connect.c

   1 /*      $NetBSD: t_connect.c,v 1.1 2011/11/05 18:19:02 jruoho Exp $     */
   2 /*
   3  * Copyright (c) 2007, 2008 The NetBSD Foundation, Inc.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  16  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  17  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  20  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  22  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  24  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <err.h>
  30 #include <errno.h>
  31 #include <string.h>
  32 #include <unistd.h>
  33
  34 #include <arpa/inet.h>
  35 #include <netinet/in.h>
  36
  37 #include <atf-c.h>
  38
  39 ATF_TC(connect_low_port);
  40 ATF_TC_HEAD(connect_low_port, tc)
  41 {
  42         atf_tc_set_md_var(tc, "descr", "Checks that low-port allocation "
  43             "works");
  44         atf_tc_set_md_var(tc, "require.user", "root");
  45 }
  46 ATF_TC_BODY(connect_low_port, tc)
  47 {
  48         struct sockaddr_in sin, sinlist;
  49         int sd, val, slist;
  50         socklen_t slen;
  51
  52         slist = socket(AF_INET, SOCK_STREAM, 0);
  53         sd = socket(AF_INET, SOCK_STREAM, 0);
  54
  55         /* bind listening socket */
  56         memset(&sinlist, 0, sizeof(sinlist));
  57         sinlist.sin_family = AF_INET;
  58         sinlist.sin_port = htons(31522);
  59         sinlist.sin_addr.s_addr = inet_addr("127.0.0.1");
  60
  61         ATF_REQUIRE_EQ(bind(slist,
  62             (struct sockaddr *)&sinlist, sizeof(sinlist)), 0);
  63         ATF_REQUIRE_EQ(listen(slist, 1), 0);
  64
  65         val = IP_PORTRANGE_LOW;
  66         if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val,
  67             sizeof(val)) == -1)
  68                 atf_tc_fail("setsockopt failed: %s", strerror(errno));
  69
  70         memset(&sin, 0, sizeof(sin));
  71
  72         sin.sin_port = htons(31522);
  73         sin.sin_addr.s_addr = inet_addr("127.0.0.1");
  74         sin.sin_family = AF_INET;
  75
  76         if (connect(sd, (struct sockaddr *)&sin, sizeof(sin)) == -1) {
  77                 int serrno = errno;
  78                 atf_tc_fail("connect failed: %s%s",
  79                     strerror(serrno),
  80                     serrno != EACCES ? "" :
  81                     " (see http://mail-index.netbsd.org/"
  82                     "source-changes/2007/12/16/0011.html)");
  83         }
  84
  85         slen = sizeof(sin);
  86         ATF_REQUIRE_EQ(getsockname(sd, (struct sockaddr *)&sin, &slen), 0);
  87         ATF_REQUIRE_EQ(slen, sizeof(sin));
  88         ATF_REQUIRE(ntohs(sin.sin_port) <= IPPORT_RESERVEDMAX);
  89
  90         close(sd);
  91 }
  92
  93 ATF_TP_ADD_TCS(tp)
  94 {
  95
  96         ATF_TP_ADD_TC(tp, connect_low_port);
  97
  98         return atf_no_error();
  99 }