ip6addrctl revision 273188 
1#!/bin/sh
2#
3# $FreeBSD: releng/10.1/etc/rc.d/ip6addrctl 273188 2014-10-16 22:00:24Z hrs $
4#
5
6# PROVIDE: ip6addrctl
7# REQUIRE: FILESYSTEMS
8# BEFORE: netif
9# KEYWORD: nojail
10
11. /etc/rc.subr
12. /etc/network.subr
13
14name="ip6addrctl"
15rcvar="ip6addrctl_enable"
16start_cmd="ip6addrctl_start"
17stop_cmd="ip6addrctl_stop"
18extra_commands="status prefer_ipv6 prefer_ipv4"
19status_cmd="ip6addrctl"
20prefer_ipv6_cmd="ip6addrctl_prefer_ipv6"
21prefer_ipv4_cmd="ip6addrctl_prefer_ipv4"
22config_file="/etc/ip6addrctl.conf"
23
24set_rcvar_obsolete ipv6_enable ipv6_activate_all_interfaces
25set_rcvar_obsolete ipv6_prefer ip6addrctl_policy
26
27IP6ADDRCTL_CMD="/usr/sbin/ip6addrctl"
28
29ip6addrctl_prefer_ipv6()
30{
31	afexists inet6 || return 0
32
33	${IP6ADDRCTL_CMD} flush >/dev/null 2>&1
34	cat <<EOT | ${IP6ADDRCTL_CMD} install /dev/stdin
35	::1/128		 50	 0
36	::/0		 40	 1
37	::ffff:0:0/96	 35	 4
38	2002::/16	 30	 2
39	2001::/32	  5	 5
40	fc00::/7	  3	13
41	::/96		  1	 3
42	fec0::/10	  1	11
43	3ffe::/16	  1	12
44EOT
45}
46
47ip6addrctl_prefer_ipv4()
48{
49	afexists inet6 || return 0
50
51	${IP6ADDRCTL_CMD} flush >/dev/null 2>&1
52	cat <<EOT | ${IP6ADDRCTL_CMD} install /dev/stdin
53	::1/128		 50	 0
54	::/0		 40	 1
55	::ffff:0:0/96	100	 4
56	2002::/16	 30	 2
57	2001::/32	  5	 5
58	fc00::/7	  3	13
59	::/96		  1	 3
60	fec0::/10	  1	11
61	3ffe::/16	  1	12
62EOT
63}
64
65ip6addrctl_start()
66{
67	afexists inet6 || return 0
68
69	# install the policy of the address selection algorithm.
70	case "${ip6addrctl_policy}" in
71	[Aa][Uu][Tt][Oo])
72		if [ -r "${config_file}" -a -s "${config_file}" ]; then
73			${IP6ADDRCTL_CMD} flush >/dev/null 2>&1
74			${IP6ADDRCTL_CMD} install "${config_file}"
75		else
76			if checkyesno ipv6_activate_all_interfaces; then
77				ip6addrctl_prefer_ipv6
78			elif [ -n "$(list_vars ifconfig_\*_ipv6)" ]; then
79				ip6addrctl_prefer_ipv6
80			else
81				ip6addrctl_prefer_ipv4
82			fi
83		fi
84	;;
85	ipv4_prefer)
86		ip6addrctl_prefer_ipv4
87	;;
88	ipv6_prefer)
89		ip6addrctl_prefer_ipv6
90	;;
91	[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
92		# Backward compatibility when ipv6_prefer=YES
93		ip6addrctl_prefer_ipv6
94	;;
95	[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
96		# Backward compatibility when ipv6_prefer=NO
97		ip6addrctl_prefer_ipv4
98	;;
99	[Nn][Oo][Nn][Ee])
100		${IP6ADDRCTL_CMD} flush >/dev/null 2>&1
101	;;
102	*)
103		warn "\$ip6addrctl_policy is invalid: ${ip6addrctl_policy}. " \
104		    " \"ipv4_prefer\" is used instead."
105		ip6addrctl_prefer_ipv4
106	;;
107	esac
108
109	if checkyesno ip6addrctl_verbose; then
110		echo 'Address selection policy table for IPv4 and IPv6:'
111		${IP6ADDRCTL_CMD}
112	fi
113}
114
115ip6addrctl_stop()
116{
117	afexists inet6 || return 0
118
119	ip6addrctl flush >/dev/null 2>&1
120}
121
122load_rc_config $name
123run_rc_command "$1"
124