ip6addrctl revision 197526 
1#!/bin/sh
2#
3# $FreeBSD: head/etc/rc.d/ip6addrctl 197526 2009-09-26 18:59:00Z hrs $
4#
5
6# PROVIDE: ip6addrctl
7# REQUIRE: FILESYSTEMS
8# BEFORE: netif
9# KEYWORD: 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
22set_rcvar_obsolete ipv6_enable ipv6_prefer
23
24ip6addrctl_prefer_ipv6()
25{
26	ip6addrctl flush >/dev/null 2>&1
27	ip6addrctl add ::1/128		50	0
28	ip6addrctl add ::/0		40	1
29	ip6addrctl add 2002::/16	30	2
30	ip6addrctl add ::/96		20	3
31	ip6addrctl add ::ffff:0:0/96	10	4
32	checkyesno ip6addrctl_verbose && ip6addrctl
33}
34
35ip6addrctl_prefer_ipv4()
36{
37	ip6addrctl flush >/dev/null 2>&1
38	ip6addrctl add ::ffff:0:0/96	50	0
39	ip6addrctl add ::1/128		40	1
40	ip6addrctl add ::/0		30	2
41	ip6addrctl add 2002::/16	20	3
42	ip6addrctl add ::/96		10	4
43	checkyesno ip6addrctl_verbose && ip6addrctl
44}
45
46ip6addrctl_start()
47{
48	if ifconfig lo0 inet6 >/dev/null 2>&1; then
49		# We have IPv6 support in kernel.
50
51		# install the policy of the address selection algorithm.
52		if [ -f /etc/ip6addrctl.conf ]; then
53			ip6addrctl flush >/dev/null 2>&1
54			ip6addrctl install /etc/ip6addrctl.conf
55			checkyesno ip6addrctl_verbose && ip6addrctl
56		else
57			if checkyesno ipv6_prefer; then
58				ip6addrctl_prefer_ipv6
59			else
60				ip6addrctl_prefer_ipv4
61			fi
62		fi
63	fi
64}
65
66ip6addrctl_stop()
67{
68	if ifconfig lo0 inet6 >/dev/null 2>&1; then
69		# We have IPv6 support in kernel.
70		ip6addrctl flush >/dev/null 2>&1
71	fi
72}
73
74load_rc_config $name
75run_rc_command "$1"
76