tests/lib/libc/sys/t_connect.c

   1 /*      $NetBSD: t_connect.c,v 1.2 2015/04/05 23:17:41 rtr 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_TC(connect_foreign_family);
  94 ATF_TC_HEAD(connect_foreign_family, tc)
  95 {
  96         atf_tc_set_md_var(tc, "descr", "Checks that connecting a socket "
  97             "with a different address family fails");
  98 }
  99 ATF_TC_BODY(connect_foreign_family, tc)
 100 {
 101         struct sockaddr_in addr;
 102
 103         /* addr.sin_family = AF_UNSPEC = 0 */
 104         memset(&addr, 0, sizeof(addr));
 105
 106         /*
 107          * it is not necessary to initialize sin_{addr,port} since
 108          * those structure members shall not be accessed if connect
 109          * fails correctly.
 110          */
 111
 112         int sock = socket(AF_LOCAL, SOCK_STREAM, 0);
 113         ATF_REQUIRE(sock != -1);
 114
 115         ATF_REQUIRE(-1 == connect(sock, (struct sockaddr *)&addr, sizeof(addr)));
 116         ATF_REQUIRE(EAFNOSUPPORT == errno);
 117
 118         close(sock);
 119 }
 120
 121 ATF_TP_ADD_TCS(tp)
 122 {
 123
 124         ATF_TP_ADD_TC(tp, connect_low_port);
 125         ATF_TP_ADD_TC(tp, connect_foreign_family);
 126
 127         return atf_no_error();
 128 }