contrib/freifunk-policyrouting: Make it work with firewall3 and make use of the new...
authorManuel Munz <freifunk@somakoma.de>
Sun, 2 Jun 2013 23:53:23 +0000 (23:53 +0000)
committerManuel Munz <freifunk@somakoma.de>
Sun, 2 Jun 2013 23:53:23 +0000 (23:53 +0000)
contrib/package/freifunk-policyrouting/Makefile
contrib/package/freifunk-policyrouting/files/etc/hotplug.d/iface/30-policyrouting
contrib/package/freifunk-policyrouting/files/etc/init.d/freifunk-policyrouting

index 1145bf3774118b39c059518fd289fbb1fdf3dd47..a5f576e9805a15e31dac70b2c642abf36a273114 100644 (file)
@@ -4,7 +4,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=freifunk-policyrouting
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
 
index 5c4eb38e980a5ea5e0a0414e3f7c3b72ec753f4e..327e8793bed0981f4c1dfbecf22e13c6efab59f0 100644 (file)
@@ -9,9 +9,9 @@ proto="4"
 config_load freifunk-policyrouting
 config_get enable pr enable
 config_get fallback pr fallback
+config_get strict pr strict
 config_get zones pr zones
 
-
 if [ "$ACTION" = "ifup" ] && [ "$enable" = "1" ]; then
        network_get_subnet net $INTERFACE
        network_get_subnet6 net6 $INTERFACE
@@ -54,6 +54,9 @@ if [ "$ACTION" = "ifup" ] && [ "$enable" = "1" ]; then
                                for p in $proto; do
                                        if [ ! "$(ip -$p ru s | grep "from all iif $dev lookup olsr-default")" ]; then
                                                ip -$p rule add dev "$dev" lookup olsr-default prio 20000
+                                               if [ "$strict" != 0 ]; then
+                                                       ip -$p rule add dev "$dev" unreachable prio 20001
+                                               fi
                                                if [ "$?" = 0 ]; then
                                                        logger -s -t policyrouting "Use mesh gateway for interface $dev (IPv$p)"
                                                        if [ -z "$(uci -P /var/state get freifunk-policyrouting.${INTERFACE})" ]; then
@@ -87,6 +90,7 @@ if [ "$ACTION" = "ifdown" ]; then
                                for p in $proto; do
                                        if [ "$(ip -$p ru s | grep "from all iif $dev lookup olsr-default")" ]; then
                                                ip -$p rule del dev "$dev" lookup olsr-default prio 20000
+                                               ip -$p rule del dev "$dev" unreachable prio 20001
                                                if [ "$?" = 0 ]; then
                                                        logger -s -t policyrouting "Remove rule: dev "$dev" lookup olsr-default prio 20000 (IPv$p)"
                                                else
index f31821a240ba63340adac15edef3bdd735599752..df98c982b84e3aa181e2311803a1392ce052c6be 100755 (executable)
@@ -26,11 +26,10 @@ olsrd_intalltables() {
                uci set olsrd.@olsrd[0].RtTable='111'
                uci set olsrd.@olsrd[0].RtTableDefault='112'
                uci commit olsrd
-               /etc/init.d/olsrd restart
+               /etc/init.d/olsrd restart 2&> /dev/null
        fi
 }
 
-
 rt_tables() {
        tables="/etc/iproute2/rt_tables"
        if [ -z "`grep "110" $tables`" ]; then
@@ -60,20 +59,52 @@ disable_dyngw() {
 }
 
 restart_services() {
-       wifi
-       /etc/init.d/network restart
-       /etc/init.d/olsrd restart
+       logger -s -t policyrouting -p info "Restarting services"
+       /etc/init.d/network restart 2&> /dev/null
+       /etc/init.d/olsrd restart 2&> /dev/null
 }
 
 boot() {
        if [ "$enable" = "1" ]; then
                [ -d /var/state ] || mkdir -p /var/state
                touch /var/state/freifunk-policyrouting
-               start
+               start noservicerestart
        else
                olsrd_rmtables
        fi
 }
+
+add_lookup_rule() {
+       name=${1/-/_}
+       lookup=$2
+       prio=$3
+
+       if [ -z "$name" -o -z "$lookup" -o -z "$prio" ]; then
+               logger -s -t policyrouting "Missing parameters for add_rule!"
+       else
+               for p in $proto; do
+                       if [ "$p" = "6" ]; then
+                               rule="rule6"
+                       else
+                               rule="rule"
+                       fi
+                       
+                       uci batch <<- EOF
+                               set network.${name}ipv${p}="$rule"
+                               set network.${name}ipv${p}.lookup="$lookup"
+                               set network.${name}ipv${p}.priority="$prio"
+                       EOF
+               done
+       fi
+}
+
+del_lookup_rule() {
+       name=${1/-/_}
+       for p in $proto; do
+               uci -q delete network.${name}ipv${p}
+       done
+}
+
 start() {
        if [ $enable = "1" ]; then
                logger -s -t policyrouting "Starting policy routing."
@@ -81,58 +112,26 @@ start() {
                olsrd_intalltables
                disable_dyngw
 
-               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$p)"
-                               else
-                                       logger -s -t policyrouting "Error! Could not add rule: lookup olsr prio 1000 (IPv$p)"
-                               fi
-                       fi
-               done
-
-               # add unreachable with high metric so packets stop here if they find no gateway
-               # in table olsr-default
-               if [ "$strict" != 0 ]; then
-                       for p in $proto; do
-                               [ ! "$(ip -$p r s t olsr-default |grep "unreachable default")" ] && {
-                                       ip -$p route add unreachable default table olsr-default metric 65535
-                                       if [ "$?" = "0" ]; then
-                                               logger -s -t policyrouting "Added route: unreachable default table olsr-default metric 65535 (IPv$p)"
-                                       else
-                                               logger -s -t policyrouting "Error! Could not add route: unreachable default table olsr-default metric 65535 (IPv$p)"
-                                       fi
-                               }
-                       done
+               add_lookup_rule olsr olsr 1000
+               add_lookup_rule localnets localnets 2000
 
-               fi
                if [ "$fallback" = 1 ]; then
-                       for p in $proto; do
-                               [ ! "$(ip -$p ru s |grep "from all lookup olsr-default")" ] && {
-                                       ip -$p rule add lookup olsr-default prio 33000
-                                       if [ "$?" = "0" ]; then
-                                               logger -s -t policyrouting "Added rule: olsr-default prio 33000 (IPv$p)"
-                                       else
-                                               logger -s -t policyrouting "Error! Could not add rule: olsr-default prio 33000 (IPv$p)"
-                                       fi
-                               }
-                       done
+                       add_lookup_rule olsr-default olsr-default 33000
                fi
        fi
+       uci commit network
+       if [ ! "$1" = "noservicerestart" ]; then
+               restart_services
+       fi
 }
 
 stop() {
        logger -s -t policyrouting "Stopping policy routing"
        olsrd_rmtables
-       for p in $proto; do
-               ip -$p route flush table olsr-default   
-               ip -$p rule del lookup olsr-default > /dev/null 2>&1
-               ip -$p rule del lookup olsr     > /dev/null 2>&1
-       done
+       del_lookup_rule olsr-default
+       del_lookup_rule olsr
+       del_lookup_rule localnets
+       uci commit network
        restart_services
        echo "Hint: To completely disable freifunk-policyrouting set enable=0 in /etc/config/freifunk-policyrouting."
 }
@@ -140,11 +139,9 @@ stop() {
 restart() {
        logger -s -t policyrouting "Restarting policy routing"
        olsrd_rmtables
-       for p in $proto; do
-               ip -$p route flush table olsr-default   
-               ip -$p rule del lookup olsr-default > /dev/null 2>&1
-               ip -$p rule del lookup olsr     > /dev/null 2>&1
-       done
+       del_lookup_rule olsr-default
+       del_lookup_rule olsr
+       del_lookup_rule localnets
+       uci commit network
        start
-       restart_services
 }