ip6addrctl revision 1.1 
1#!/bin/sh
2#
3# $FreeBSD: head/etc/rc.d/ip6addrctl 270836 2014-08-30 07:08:10Z hrs $
4#
5
6# PROVIDE: ip6addrctl
7# REQUIRE: root bootconf mountcritlocal tty
8
9. /etc/rc.subr
10
11name="ip6addrctl"
12rcvar="ip6addrctl_enable"
13start_cmd="ip6addrctl_start"
14stop_cmd="ip6addrctl_stop"
15extra_commands="status prefer_ipv6 prefer_ipv4"
16status_cmd="ip6addrctl"
17prefer_ipv6_cmd="ip6addrctl_prefer_ipv6"
18prefer_ipv4_cmd="ip6addrctl_prefer_ipv4"
19config_file="/etc/ip6addrctl.conf"
20
21IP6ADDRCTL_CMD="/usr/sbin/ip6addrctl"
22
23ip6addrctl_prefer_ipv6()
24{
25	${IP6ADDRCTL_CMD} flush >/dev/null 2>&1
26	cat <<EOT | ${IP6ADDRCTL_CMD} install /dev/stdin
27	::1/128		 50	 0
28	::/0		 40	 1
29	::ffff:0:0/96	 35	 4
30	2002::/16	 30	 2
31	2001::/32	  5	 5
32	fc00::/7	  3	13
33	::/96		  1	 3
34	fec0::/10	  1	11
35	3ffe::/16	  1	12
36EOT
37}
38
39ip6addrctl_prefer_ipv4()
40{
41	${IP6ADDRCTL_CMD} flush >/dev/null 2>&1
42	cat <<EOT | ${IP6ADDRCTL_CMD} install /dev/stdin
43	::1/128		 50	 0
44	::/0		 40	 1
45	::ffff:0:0/96	100	 4
46	2002::/16	 30	 2
47	2001::/32	  5	 5
48	fc00::/7	  3	13
49	::/96		  1	 3
50	fec0::/10	  1	11
51	3ffe::/16	  1	12
52EOT
53}
54
55ip6addrctl_start()
56{
57	# install the policy of the address selection algorithm.
58	case "${ip6addrctl_policy}" in
59	[Aa][Uu][Tt][Oo])
60		if [ -r "${config_file}" -a -s "${config_file}" ]; then
61			${IP6ADDRCTL_CMD} flush >/dev/null 2>&1
62			${IP6ADDRCTL_CMD} install "${config_file}"
63		else
64			if checkyesno ipv6_activate_all_interfaces; then
65				ip6addrctl_prefer_ipv6
66			elif [ -n "$(list_vars ifconfig_\*_ipv6)" ]; then
67				ip6addrctl_prefer_ipv6
68			else
69				ip6addrctl_prefer_ipv4
70			fi
71		fi
72	;;
73	ipv4_prefer)
74		ip6addrctl_prefer_ipv4
75	;;
76	ipv6_prefer)
77		ip6addrctl_prefer_ipv6
78	;;
79	*)
80		warn "\$ip6addrctl_policy is invalid: ${ip6addrctl_policy}. " \
81		    " \"ipv4_prefer\" is used instead."
82		ip6addrctl_prefer_ipv4
83	;;
84	esac
85
86	if checkyesno ip6addrctl_verbose; then
87		echo 'Address selection policy table for IPv4 and IPv6:'
88		${IP6ADDRCTL_CMD}
89	fi
90}
91
92ip6addrctl_stop()
93{
94	ip6addrctl flush >/dev/null 2>&1
95}
96
97load_rc_config $name
98run_rc_command "$1"
99