tests/net/sys/t_listen.c

   1 /*      $NetBSD$        */
   2 /*
   3  * Copyright (c) 2007 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 <netinet/in.h>
  35
  36 #include <atf-c.h>
  37
  38 ATF_TC(low_port);
  39 ATF_TC_HEAD(low_port, tc)
  40 {
  41         atf_tc_set_md_var(tc, "descr", "Checks that low-port allocation "
  42             "works");
  43         atf_tc_set_md_var(tc, "require.user", "root");
  44 }
  45 ATF_TC_BODY(low_port, tc)
  46 {
  47         int sd, val;
  48
  49         sd = socket(AF_INET, SOCK_STREAM, 0);
  50
  51         val = IP_PORTRANGE_LOW;
  52         if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val,
  53             sizeof(val)) == -1)
  54                 atf_tc_fail("setsockopt failed: %s", strerror(errno));
  55
  56         if (listen(sd, 5) == -1) {
  57                 int err = errno;
  58                 atf_tc_fail("listen failed: %s%s",
  59                     strerror(err),
  60                     err != EACCES ? "" : " (see http://mail-index.netbsd.org/"
  61                     "source-changes/2007/12/16/0011.html)");
  62         }
  63
  64         close(sd);
  65 }
  66
  67 ATF_TP_ADD_TCS(tp)
  68 {
  69         ATF_TP_ADD_TC(tp, low_port);
  70 }