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path: root/etc/rc.d/ip6addrctl
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#!/bin/sh
#
# $FreeBSD$
#

# PROVIDE: ip6addrctl
# REQUIRE: FILESYSTEMS
# BEFORE: netif
# KEYWORD: nojail

. /etc/rc.subr
. /etc/network.subr

name="ip6addrctl"
rcvar=`set_rcvar`
start_cmd="ip6addrctl_start"
stop_cmd="ip6addrctl_stop"
extra_commands="status prefer_ipv6 prefer_ipv4"
status_cmd="ip6addrctl"
prefer_ipv6_cmd="ip6addrctl_prefer_ipv6"
prefer_ipv4_cmd="ip6addrctl_prefer_ipv4"

set_rcvar_obsolete ipv6_enable ipv6_prefer

ip6addrctl_prefer_ipv6()
{
	afexists inet6 || return 0

	ip6addrctl flush >/dev/null 2>&1
	ip6addrctl add ::1/128		50	0
	ip6addrctl add ::/0		40	1
	ip6addrctl add 2002::/16	30	2
	ip6addrctl add ::/96		20	3
	ip6addrctl add ::ffff:0:0/96	10	4
	checkyesno ip6addrctl_verbose && ip6addrctl
}

ip6addrctl_prefer_ipv4()
{
	afexists inet6 || return 0

	ip6addrctl flush >/dev/null 2>&1
	ip6addrctl add ::ffff:0:0/96	50	0
	ip6addrctl add ::1/128		40	1
	ip6addrctl add ::/0		30	2
	ip6addrctl add 2002::/16	20	3
	ip6addrctl add ::/96		10	4
	checkyesno ip6addrctl_verbose && ip6addrctl
}

ip6addrctl_start()
{
	afexists inet6 || return 0

	# install the policy of the address selection algorithm.
	if [ -f /etc/ip6addrctl.conf ]; then
		ip6addrctl flush >/dev/null 2>&1
		ip6addrctl install /etc/ip6addrctl.conf
		checkyesno ip6addrctl_verbose && ip6addrctl
	else
		if checkyesno ipv6_prefer; then
			ip6addrctl_prefer_ipv6
		else
			ip6addrctl_prefer_ipv4
		fi
	fi
}

ip6addrctl_stop()
{
	afexists inet6 || return 0

	ip6addrctl flush >/dev/null 2>&1
}

load_rc_config $name
run_rc_command "$1"
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