From 8e9cdbea1411a68645d5e82caa7232c7f0ef2d61 Mon Sep 17 00:00:00 2001
From: Manuel Munz <freifunk@somakoma.de>
Date: Mon, 25 Mar 2013 16:36:36 +0000
Subject: [PATCH] contrib/freifunk-policyrouting: Use a new table 'localnets'
 for locally attached networks and populate it

---
 contrib/package/freifunk-policyrouting/Makefile    |  2 +-
 .../files/etc/hotplug.d/iface/30-policyrouting     | 27 +++++++++++-----------
 .../files/etc/init.d/freifunk-policyrouting        |  7 ++++++
 3 files changed, 22 insertions(+), 14 deletions(-)

diff --git a/contrib/package/freifunk-policyrouting/Makefile b/contrib/package/freifunk-policyrouting/Makefile
index 13c770aed..cec08a2f3 100644
--- a/contrib/package/freifunk-policyrouting/Makefile
+++ b/contrib/package/freifunk-policyrouting/Makefile
@@ -4,7 +4,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=freifunk-policyrouting
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
 
diff --git a/contrib/package/freifunk-policyrouting/files/etc/hotplug.d/iface/30-policyrouting b/contrib/package/freifunk-policyrouting/files/etc/hotplug.d/iface/30-policyrouting
index c4ae38d97..5c4eb38e9 100644
--- a/contrib/package/freifunk-policyrouting/files/etc/hotplug.d/iface/30-policyrouting
+++ b/contrib/package/freifunk-policyrouting/files/etc/hotplug.d/iface/30-policyrouting
@@ -11,6 +11,7 @@ config_get enable pr enable
 config_get fallback pr fallback
 config_get zones pr zones
 
+
 if [ "$ACTION" = "ifup" ] && [ "$enable" = "1" ]; then
 	network_get_subnet net $INTERFACE
 	network_get_subnet6 net6 $INTERFACE
@@ -18,27 +19,26 @@ if [ "$ACTION" = "ifup" ] && [ "$enable" = "1" ]; then
 
 	if [ "$net" != "" -a -n "$dev" ]; then
 		eval $(/bin/ipcalc.sh $net)
-		if [ "$PREFIX" != "0" ]; then
-			if [ ! "$(ip r s t olsr-default |grep "throw $NETWORK/$PREFIX")" ]; then
-				ip r a throw $NETWORK/$PREFIX table olsr-default
+		if [ "$PREFIX" != "0" -a "$NETWORK" != "127.0.0.0" ]; then
+			if [ ! "$(ip r s t localnets |grep "$NETWORK/$PREFIX dev")" ]; then
+				cmd="ip r a $NETWORK/$PREFIX dev $dev table localnets"
+				$cmd
 				if [ "$?" = 0 ]; then
-					logger -s -t policyrouting "Add route: throw $NETWORK/$PREFIX table olsr-default"
+					logger -s -t policyrouting "Add route: $cmd"
 				else
-					logger -s -t policyrouting "Error! Could not add route: throw $NETWORK/$PREFIX table olsr-default"
+					logger -s -t policyrouting "Error! Could not add route: $cmd"
 				fi
 			fi
+
 		fi
 
 		if [ -n "$net6" ]; then
-			if [ ! "$(ip -6 r s t olsr-default |grep "throw $net6")" ]; then
-				rule="throw $net6 table olsr-default dev $dev"
-				ip -6 r a $rule
-				if [ "$?" = 0 ]; then
-					logger -s -t policyrouting "Add route: $rule (IPv6)"
-				else
-					logger -s -t policyrouting "Error! Could not add route: $rule (IPv6)"
-				fi
+			cmd="ip -6 r a $net6 dev $dev table localnets"
+			$cmd 2>&1 > /dev/null
+			if [ "$?" = 0 ]; then
+				logger -s -t policyrouting "Add route: $cmd (IPv6)"
 			fi
+
 		fi
 
 		networks=""
@@ -68,6 +68,7 @@ if [ "$ACTION" = "ifup" ] && [ "$enable" = "1" ]; then
 			fi
 		done
 	fi
+
 fi
 
 if [ "$ACTION" = "ifdown" ]; then
diff --git a/contrib/package/freifunk-policyrouting/files/etc/init.d/freifunk-policyrouting b/contrib/package/freifunk-policyrouting/files/etc/init.d/freifunk-policyrouting
index a8e44244b..f31821a24 100755
--- a/contrib/package/freifunk-policyrouting/files/etc/init.d/freifunk-policyrouting
+++ b/contrib/package/freifunk-policyrouting/files/etc/init.d/freifunk-policyrouting
@@ -33,12 +33,16 @@ olsrd_intalltables() {
 
 rt_tables() {
 	tables="/etc/iproute2/rt_tables"
+	if [ -z "`grep "110" $tables`" ]; then
+		echo "110 localnets" >> $tables
+	fi
 	if [ -z "`grep "111" $tables`" ]; then
 		echo "111 olsr" >> $tables
 	fi
 	if [ -z "`grep "112" $tables`" ]; then
 		echo "112 olsr-default" >> $tables
 	fi
+
 }
 
 disable_dyngw() {
@@ -80,6 +84,9 @@ start() {
 		for p in $proto; do
 			if [ ! "$(ip -$p ru s | grep "1000:	from all lookup olsr")" ]; then
 				ip -$p rule add lookup olsr prio 1000
+				# add table for routes to local networks
+				ip -$p rule add lookup localnets prio 2000
+
 				if [ "$?" = "0" ]; then
 					logger -s -t policyrouting "Added rule: lookup olsr prio 1000 (IPv$p)"
 				else
-- 
2.11.0