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#!/bin/sh /etc/rc.common
# Copyright (c) 2011-2012 OpenWrt.org
START=80
. /lib/functions/network.sh
. /lib/functions/service.sh
start_6relayd() {
local cfg="$1"
local mode="$2"
local args=""
SERVICE_DAEMONIZE=1
SERVICE_WRITE_PID=1
SERVICE_PID_FILE="/var/run/6relayd-$cfg.pid"
[ -f "$SERVICE_PID_FILE" ] && {
if grep -q 6relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
return 0
else
rm -f "$SERVICE_PID_FILE"
fi
}
# Detect master interface
local master masterif
config_get masterif "$cfg" master
network_get_device master "$masterif"
[ -z "$master" ] && master="."
# Detect slave interfaces
local slaves=""
local slaveifs
config_get slaveifs "$cfg" network
for slaveif in $slaveifs; do
local slave
network_get_device slave "$slaveif"
# Compatibility with old config format
if [ "$mode" = "relay" -a "$master" = "." ]; then
[ -z "$slave" ] && return 0
master="$slave"
else
[ -n "$slave" ] && append slaves "$slave"
fi
done
# Bail if no slaves are active
[ -z "$slaves" ] && return 0
# Configure services
local rd dhcpv6 ndp
config_get rd "$cfg" rd
config_get dhcpv6 "$cfg" dhcpv6
config_get ndp "$cfg" ndp
# Test for fallback mode
local fallback fallback_relay
config_get fallback_relay "$cfg" fallback_relay
if [ -n "$fallback_relay" -a "$master" != "." ]; then
local prefix
network_get_prefix6 prefix "$masterif"
[ -z "$prefix" ] && fallback=1
fi
if [ -n "$fallback" ]; then
for service in $fallback_relay; do
eval "$service=relay"
done
fi
# Configure feature options
local always_rewrite_dns
config_get_bool always_rewrite_dns "$cfg" always_rewrite_dns 0
[ "$always_rewrite_dns" -eq 1 ] && append args "-n"
local always_assume_default
config_get_bool always_assume_default "$cfg" always_assume_default 0
[ "$always_assume_default" -eq 1 ] && append args "-u"
[ "$ndp" = "relay" ] && append args "-N -s -l"
[ "$rd" = "relay" ] && append args "-Rrelay"
[ "$rd" = "server" ] && append args "-Rserver"
[ "$dhcpv6" = "relay" ] && append args "-Drelay"
[ "$dhcpv6" = "server" ] && append args "-Dserver"
[ "$ndp" != "relay" -a "$rd" != "relay" -a "$dhcpv6" != "relay" ] && master="."
service_start /usr/sbin/6relayd $args $master $slaves
}
restart_affected_6relayd() {
local cfg="$1"
local net="$2"
local mode="$3"
local master slaves
config_get master "$cfg" master
config_get slaves "$cfg" network
for iface in $master $slaves; do
if [ "$iface" = "$net" ]; then
SERVICE_PID_FILE="/var/run/6relayd-$cfg.pid"
service_stop /usr/sbin/6relayd
rm -f "$SERVICE_PID_FILE"
start_6relayd "$cfg" "$mode"
fi
done
}
restart_affected() {
local net="$1"
config_load 6relayd
config_foreach restart_affected_6relayd server "$net"
config_foreach restart_affected_6relayd relay "$net" "relay"
}
stop() {
for pid in /var/run/6relayd-*.pid; do
SERVICE_PID_FILE="$pid"
service_stop /usr/sbin/6relayd
rm -f "$SERVICE_PID_FILE"
done
}
start() {
config_load 6relayd
config_foreach start_6relayd server
config_foreach start_6relayd relay relay
}
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