#!/bin/sh

# PROVIDE: dhcp6c
# REQUIRE: netif
# BEFORE: NETWORKING
# KEYWORD: shutdown

# Add the following lines to
# /etc/rc.conf.d/dhcp6c /etc/rc.conf.local or /etc/rc.conf
# to enable this service:
#
# dhcp6c_enable (bool):			Set to NO by default.
#		Set it to YES to enable dhcp6c.
# dhcp6c_config (path):			Set to %%PREFIX%%/etc/dhcp6c.conf
#		by default.
# dhcp6c_dhcp6cctlkey (path):		Set to %%PREFIX%%/etc/dhcp6cctlkey
#		by default.
# dhcp6c_pidfile (path):		Set to /var/run/dhcp6c.pid
#		by default.
# dhcp6c_interfaces (NIC list):		Not defined by default.
#		Set it to the network interface(s) where dhcp6c should work on.
# dhcp6c_flags (additional arguments):	Not defined by default.
#

. /etc/rc.subr

name="dhcp6c"
rcvar=dhcp6c_enable

command="%%PREFIX%%/sbin/${name}"
start_precmd="${name}_precmd"

load_rc_config $name

: ${dhcp6c_enable="NO"}
: ${dhcp6c_config="%%PREFIX%%/etc/${name}.conf"}
: ${dhcp6c_dhcp6cctlkey="%%PREFIX%%/etc/dhcp6cctlkey"}
: ${dhcp6c_pidfile="/var/run/${name}.pid"}

required_files="${dhcp6c_config}"
pidfile="${dhcp6c_pidfile}"
command_args="-c ${dhcp6c_config} -p ${dhcp6c_pidfile} ${dhcp6c_interfaces}"

dhcp6c_precmd()
{
	if [ -z ${dhcp6c_interfaces} ]; then
		warn "dhcp6c_interfaces is not set."
		return 1
	fi
	if [ ! -s ${dhcp6c_dhcp6cctlkey} ]; then
		echo "Creating ${dhcp6c_dhcp6cctlkey}"
		(umask 077 ; openssl rand -base64 48 > ${dhcp6c_dhcp6cctlkey})
	fi
}

run_rc_command "$1"