ip6addrctl revision 129994 
1#!/bin/sh
2#
3# $FreeBSD: head/etc/rc.d/ip6addrctl 129994 2004-06-02 09:39:49Z ume $
4#
5
6# PROVIDE: ip6addrctl
7# REQUIRE: mountcritlocal netif
8# BEFORE: network_ipv6
9# KEYWORD: FreeBSD nojail
10
11. /etc/rc.subr
12
13name="ip6addrctl"
14rcvar=`set_rcvar`
15start_cmd="ip6addrctl_start"
16stop_cmd="ip6addrctl_stop"
17extra_commands="status prefer_ipv6 prefer_ipv4"
18status_cmd="ip6addrctl"
19prefer_ipv6_cmd="ip6addrctl_prefer_ipv6"
20prefer_ipv4_cmd="ip6addrctl_prefer_ipv4"
21
22ip6addrctl_prefer_ipv6()
23{
24	ip6addrctl flush >/dev/null 2>&1
25	ip6addrctl add ::1/128		50	0
26	ip6addrctl add ::/0		40	1
27	ip6addrctl add 2002::/16	30	2
28	ip6addrctl add ::/96		20	3
29	ip6addrctl add ::ffff:0:0/96	10	4
30	checkyesno ip6addrctl_verbose && ip6addrctl
31}
32
33ip6addrctl_prefer_ipv4()
34{
35	ip6addrctl flush >/dev/null 2>&1
36	ip6addrctl add ::ffff:0:0/96	50	0
37	ip6addrctl add ::1/128		40	1
38	ip6addrctl add ::/0		30	2
39	ip6addrctl add 2002::/16	20	3
40	ip6addrctl add ::/96		10	4
41	checkyesno ip6addrctl_verbose && ip6addrctl
42}
43
44ip6addrctl_start()
45{
46	if ifconfig lo0 inet6 >/dev/null 2>&1; then
47		# We have IPv6 support in kernel.
48
49		# install the policy of the address selection algorithm.
50		if [ -f /etc/ip6addrctl.conf ]; then
51			ip6addrctl flush >/dev/null 2>&1
52			ip6addrctl install /etc/ip6addrctl.conf
53			checkyesno ip6addrctl_verbose && ip6addrctl
54		else
55			if checkyesno ipv6_enable; then
56				ip6addrctl_prefer_ipv6
57			else
58				ip6addrctl_prefer_ipv4
59			fi
60		fi
61	fi
62}
63
64ip6addrctl_stop()
65{
66	if ifconfig lo0 inet6 >/dev/null 2>&1; then
67		# We have IPv6 support in kernel.
68		ip6addrctl flush >/dev/null 2>&1
69	fi
70}
71
72load_rc_config $name
73run_rc_command "$1"
74