6relayd: Rewrite init-script logic

SVN-Revision: 35133
This commit is contained in:
Steven Barth 2013-01-13 17:25:38 +00:00
parent 1474359bd3
commit fde5b934fd
4 changed files with 95 additions and 47 deletions

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@ -8,14 +8,14 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=6relayd
PKG_VERSION:=2013-01-02
PKG_VERSION:=2013-01-13
PKG_RELEASE=$(PKG_SOURCE_VERSION)
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
PKG_SOURCE_URL:=git://github.com/sbyx/6relayd.git
PKG_SOURCE_PROTO:=git
PKG_SOURCE_VERSION:=9bf44b802547d71b75c7e505b8018d35c8fe4016
PKG_SOURCE_VERSION:=9c1415f2361184482eeae9f252cc77c70f16be40
PKG_MAINTAINER:=Steven Barth <steven@midlink.org>

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@ -1,8 +1,9 @@
# Example #1: Create a relay for several networks in proxy mode
# This can be used to proxy Router Discovery, DHCPv6 and NDP.
#config relay
# option network 'wan lan'
#config server examplerelay
# option master 'wan'
# option network 'lan'
# option rd 'relay'
# option dhcpv6 'relay'
# option ndp 'relay'
@ -11,7 +12,8 @@
# Example #2: Provide Router Discovery and stateless DHCPv6 in server mode
# This can be used as a small radvd and stateless DHCPv6-server replacement.
#config server
#config server exampleserver
# option network 'lan'
# option rd 'server'
# option dhcpv6 'server'

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@ -1,2 +1,6 @@
#!/bin/sh
/etc/init.d/6relayd enabled && /etc/init.d/6relayd start
/etc/init.d/6relayd enabled || exit 0
[ -n "$INTERFACE" ] || exit 0
. /etc/init.d/6relayd
restart_affected "$INTERFACE"

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@ -1,26 +1,13 @@
#!/bin/sh /etc/rc.common
# Copyright (c) 2011-2012 OpenWrt.org
START=80
resolve_ifname() {
grep -qs "^ *$1:" /proc/net/dev && {
append ifaces "$1"
}
}
resolve_network() {
local ifn
fixup_interface "$1"
config_get ifn "$1" ifname
[ -z "$ifn" ] && return 1
resolve_ifname "$ifn"
}
. /lib/functions/network.sh
. /lib/functions/service.sh
start_6relayd() {
local cfg="$1"
local mode="$2"
local args="-s -l"
local ifaces=""
local args=""
SERVICE_DAEMONIZE=1
SERVICE_WRITE_PID=1
@ -33,40 +20,96 @@ start_6relayd() {
fi
}
local net networks
config_get networks "$cfg" network
for net in $networks; do
resolve_network "$net" || {
return 1
}
# 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
local ifn ifnames
config_get ifnames "$cfg" ifname
for ifn in $ifnames; do
resolve_ifname "$ifn"
done
# Bail if no slaves are active
[ -z "$slaves" ] && return 0
local rd
# Configure services
local rd dhcpv6 ndp
config_get rd "$cfg" rd
[ -n "$rd" ] && append args "-R$rd"
local dhcpv6
config_get dhcpv6 "$cfg" dhcpv6
[ -n "$dhcpv6" ] && append args "-D$dhcpv6"
local ndp
config_get ndp "$cfg" ndp
[ "$ndp" == "relay" ] && append args "-N -r"
# Test for fallback mode
local fallback fallback_relay
config_get fallback_relay "$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
[ $always_rewrite_dns -eq 1 ] && append args "-n"
[ "$always_rewrite_dns" -eq 1 ] && append args "-n"
# In server mode the first interface needs to be passed twice
[ "$mode" == "server" ] && ifaces=". $ifaces"
local always_assume_default
config_get_bool always_assume_default "$cfg" always_assume_default 0
[ "$always_assume_default" -eq 1 ] && append args "-u"
service_start /usr/sbin/6relayd $args $ifaces
[ "$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() {
@ -78,8 +121,7 @@ stop() {
}
start() {
include /lib/network
config_load 6relayd
config_foreach start_6relayd server
config_foreach start_6relayd relay relay
config_foreach start_6relayd server server
}