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@ -1,26 +1,13 @@
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#!/bin/sh /etc/rc.common
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# Copyright (c) 2011-2012 OpenWrt.org
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START=80
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resolve_ifname() {
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grep -qs "^ *$1:" /proc/net/dev && {
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append ifaces "$1"
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}
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}
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resolve_network() {
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local ifn
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fixup_interface "$1"
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config_get ifn "$1" ifname
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[ -z "$ifn" ] && return 1
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resolve_ifname "$ifn"
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}
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. /lib/functions/network.sh
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. /lib/functions/service.sh
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start_6relayd() {
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local cfg="$1"
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local mode="$2"
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local args="-s -l"
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local ifaces=""
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local args=""
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SERVICE_DAEMONIZE=1
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SERVICE_WRITE_PID=1
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@ -33,40 +20,96 @@ start_6relayd() {
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fi
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}
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local net networks
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config_get networks "$cfg" network
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for net in $networks; do
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resolve_network "$net" || {
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return 1
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}
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done
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# Detect master interface
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local master masterif
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config_get masterif "$cfg" master
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network_get_device master "$masterif"
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[ -z "$master" ] && master="."
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local ifn ifnames
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config_get ifnames "$cfg" ifname
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for ifn in $ifnames; do
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resolve_ifname "$ifn"
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# Detect slave interfaces
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local slaves=""
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local slaveifs
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config_get slaveifs "$cfg" network
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for slaveif in $slaveifs; do
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local slave
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network_get_device slave "$slaveif"
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# Compatibility with old config format
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if [ "$mode" = "relay" -a "$master" = "." ]; then
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[ -z "$slave" ] && return 0
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master="$slave"
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else
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[ -n "$slave" ] && append slaves "$slave"
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fi
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done
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local rd
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config_get rd "$cfg" rd
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[ -n "$rd" ] && append args "-R$rd"
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# Bail if no slaves are active
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[ -z "$slaves" ] && return 0
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local dhcpv6
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# Configure services
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local rd dhcpv6 ndp
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config_get rd "$cfg" rd
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config_get dhcpv6 "$cfg" dhcpv6
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[ -n "$dhcpv6" ] && append args "-D$dhcpv6"
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local ndp
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config_get ndp "$cfg" ndp
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[ "$ndp" == "relay" ] && append args "-N -r"
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# Test for fallback mode
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local fallback fallback_relay
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config_get fallback_relay "$cfg" fallback_relay
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if [ -n "$fallback_relay" -a "$master" != "." ]; then
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local prefix
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network_get_prefix6 prefix "$masterif"
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[ -z "$prefix" ] && fallback=1
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fi
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if [ -n "$fallback" ]; then
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for service in $fallback_relay; do
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eval "$service=relay"
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done
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fi
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# Configure feature options
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local always_rewrite_dns
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config_get_bool always_rewrite_dns "$cfg" always_rewrite_dns 0
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[ $always_rewrite_dns -eq 1 ] && append args "-n"
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[ "$always_rewrite_dns" -eq 1 ] && append args "-n"
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local always_assume_default
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config_get_bool always_assume_default "$cfg" always_assume_default 0
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[ "$always_assume_default" -eq 1 ] && append args "-u"
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[ "$ndp" = "relay" ] && append args "-N -s -l"
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[ "$rd" = "relay" ] && append args "-Rrelay"
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[ "$rd" = "server" ] && append args "-Rserver"
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[ "$dhcpv6" = "relay" ] && append args "-Drelay"
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[ "$dhcpv6" = "server" ] && append args "-Dserver"
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[ "$ndp" != "relay" -a "$rd" != "relay" -a "$dhcpv6" != "relay" ] && master="."
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service_start /usr/sbin/6relayd $args $master $slaves
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}
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restart_affected_6relayd() {
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local cfg="$1"
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local net="$2"
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local mode="$3"
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# In server mode the first interface needs to be passed twice
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[ "$mode" == "server" ] && ifaces=". $ifaces"
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local master slaves
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config_get master "$cfg" master
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config_get slaves "$cfg" network
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service_start /usr/sbin/6relayd $args $ifaces
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for iface in $master $slaves; do
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if [ "$iface" = "$net" ]; then
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SERVICE_PID_FILE="/var/run/6relayd-$cfg.pid"
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service_stop /usr/sbin/6relayd
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rm -f "$SERVICE_PID_FILE"
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start_6relayd "$cfg" "$mode"
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fi
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done
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}
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restart_affected() {
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local net="$1"
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config_load 6relayd
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config_foreach restart_affected_6relayd server "$net"
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config_foreach restart_affected_6relayd relay "$net" "relay"
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}
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stop() {
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@ -78,8 +121,7 @@ stop() {
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}
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start() {
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include /lib/network
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config_load 6relayd
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config_foreach start_6relayd server
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config_foreach start_6relayd relay relay
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config_foreach start_6relayd server server
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}
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Steven Barth
12 years ago