mkinitrd - add tool and infrastructure for initrd
[dragonfly.git] / 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"