etc/rc.d/network_ipv6

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2000  The KAME Project
   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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25 # SUCH DAMAGE.
  26 #
  27 # $FreeBSD: src/etc/rc.d/network_ipv6,v 1.35 2003/06/29 05:15:57 mtm Exp $
  28 #       From: src/etc/rc.network6,v 1.29 2002/04/06 15:15:43
  29 # $DragonFly: src/etc/rc.d/network_ipv6,v 1.3 2005/11/19 21:47:32 swildner Exp $
  30 #
  31
  32 # PROVIDE: network_ipv6
  33 # REQUIRE: routing
  34
  35 . /etc/rc.subr
  36 . /etc/network.subr
  37
  38 name="network_ipv6"
  39 rcvar=`set_rcvar ipv6`
  40 start_cmd="network_ipv6_start"
  41
  42 network_ipv6_start()
  43 {
  44         # disallow "internal" addresses to appear on the wire
  45         route add -inet6 ::ffff:0.0.0.0 -prefixlen 96 ::1 -reject
  46         route add -inet6 ::0.0.0.0 -prefixlen 96 ::1 -reject
  47
  48         case ${ipv6_network_interfaces} in
  49         [Aa][Uu][Tt][Oo])
  50                 # Get a list of network interfaces
  51                 ipv6_network_interfaces="`ifconfig -l`"
  52                 ;;
  53         [Nn][Oo][Nn][Ee])
  54                 ipv6_network_interfaces=''
  55                 ;;
  56         esac
  57
  58         if checkyesno ipv6_gateway_enable; then
  59                 # act as a router
  60                 ${SYSCTL_W} net.inet6.ip6.forwarding=1
  61                 ${SYSCTL_W} net.inet6.ip6.accept_rtadv=0
  62
  63                 # wait for DAD
  64                 for i in $ipv6_network_interfaces; do
  65                         ifconfig $i up
  66                 done
  67                 sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
  68                 sleep 1
  69         else
  70                 # act as endhost - start with manual configuration
  71                 # Setup of net.inet6.ip6.accept_rtadv is done later by
  72                 # network6_interface_setup.
  73                 ${SYSCTL_W} net.inet6.ip6.forwarding=0
  74         fi
  75
  76         if [ -n "${ipv6_network_interfaces}" ]; then
  77                 # Setup the interfaces
  78                 network6_interface_setup $ipv6_network_interfaces
  79
  80                 # wait for DAD's completion (for global addrs)
  81                 sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
  82                 sleep 1
  83         fi
  84
  85         # Filter out interfaces on which IPv6 initialization failed.
  86         if checkyesno ipv6_gateway_enable; then
  87                 ipv6_working_interfaces=""
  88                 for i in ${ipv6_network_interfaces}; do
  89                         laddr=`network6_getladdr $i exclude_tentative`
  90                         case ${laddr} in
  91                         '')
  92                                 ;;
  93                         *)
  94                                 ipv6_working_interfaces="$i \
  95                                     ${ipv6_working_interfaces}"
  96                                 ;;
  97                         esac
  98                 done
  99                 ipv6_network_interfaces=${ipv6_working_interfaces}
 100         fi
 101
 102         # Setup IPv6 to IPv4 mapping
 103         network6_stf_setup
 104
 105         # Install the "default interface" to kernel, which will be used
 106         # as the default route when there's no router.
 107         network6_default_interface_setup
 108
 109         # Setup static routes
 110         network6_static_routes_setup
 111
 112         # Setup faith
 113         network6_faith_setup
 114
 115         # Support for IPv4 address tacked onto an IPv6 address
 116         if checkyesno ipv6_ipv4mapping; then
 117                 echo 'IPv4 mapped IPv6 address support=YES'
 118                 ${SYSCTL_W} net.inet6.ip6.v6only=0 >/dev/null
 119         else
 120                 echo 'IPv4 mapped IPv6 address support=NO'
 121                 ${SYSCTL_W} net.inet6.ip6.v6only=1 >/dev/null
 122         fi
 123 }
 124
 125 load_rc_config $name
 126 run_rc_command "$1"