#!/bin/sh
-# This will add $net to the zone firewall (and remove it from other zones where it is referenced)
-# It will also setup rules defined in /etc/config/freifunk and /etc/config/profile_<community>
-# Arg $1 = $net
+# Add "freifunk" firewall zone
+# If wan is used for olsr then delete wan zone and all wan rules
+# Also setup rules defined in /etc/config/freifunk and /etc/config/profile_<community>
-net=$1
. /etc/functions.sh
. $dir/functions.sh
-config_load firewall
-# Get some variables
-type="$(uci -q get wireless.$net.type)"
-vap="$(uci -q get meshwizard.netconfig.$net\_vap)"
+wan_is_olsr=$(uci -q get meshwizard.netconfig.wan_config)
+
+config_load firewall
-# Add local_restrict to wan firewall zone
+# Add local_restrict to wan firewall zone (if wan is not used for olsr)
+# If wan is used for olsr then remove the firewall zone wan
handle_zonewan() {
config_get name "$1" name
if [ "$name" == "wan" ]; then
- uci set firewall.$1.local_restrict=1
+ if [ "$wan_is_olsr" == 1 ]; then
+ uci del firewall.$1 && uci_commitverbose "WAN is used for olsr, delete firewall zone wan" firewall
+ else
+ uci set firewall.$1.local_restrict=1 && uci_commitverbose "Enable local_restrict for zone wan" firewall
+ fi
fi
}
-config_foreach handle_zonewan zone && uci_commitverbose "Enable local_restrict for zone wan" firewall
+config_foreach handle_zonewan zone
-# Delete old firewall zone for freifunk
+# Rename firewall zone for freifunk if unnamed and delete wan zone if it is used for olsr; else enable local restrict
handle_fwzone() {
config_get name "$1" name
config_get network "$1" network
- if [ "$2" == "zoneconf" ]; then
- if [ "$name" == "freifunk" ]; then
- # rename section if unnamed
- if [ -z "${1/cfg[0-9a-fA-F]*/}" ]; then
- section_rename firewall $1 zone_freifunk
- fi
+ if [ "$name" == "freifunk" ]; then
+ # rename section if unnamed
+ if [ -z "${1/cfg[0-9a-fA-F]*/}" ]; then
+ section_rename firewall $1 zone_freifunk
+ fi
+ fi
+
+ if [ "$name" == "wan" ]; then
+ if [ "$wan_is_olsr" == 1 ]; then
+ uci del firewall.$1 && uci_commitverbose "WAN is used for olsr, delete firewall zone wan" firewall
else
- if [ -n "$netrenamed" -a -n "$(echo $network | grep $netrenamed)" ] && [ ! "$name" == "freifunk" ]; then
- echo " Removed $netrenamed from firewall zone $name."
- network_new=$(echo $network | sed -e 's/'$netrenamed'//' -e 's/^ //' -e 's/ / /' -e 's/ $//')
- uci set firewall.$1.network="$network_new"
- fi
+ uci set firewall.$1.local_restrict=1 && uci_commitverbose "Enable local_restrict for zone wan" firewall
fi
fi
}
-config_foreach handle_fwzone zone zoneconf
-
-# setup freifunk firewall zone
-# add $netrenamed and if needed ${netrenamed}dhcp to the networks for this zone
-config_get network zone_freifunk network
-
-# remove ${netrenamed}dhcp from networks list
-[ -n "$network" -a -n "$net" ] && network="${network/${netrenamed}dhcp/}"
-network=$(echo $network) # Removes leading and trailing whitespaces
-
-[ -n "$netrenamed" ] && [ -z "$(echo $network | grep $netrenamed)" ] && network="$network $netrenamed"
-
-if [ "$type" == "atheros" -a "$vap" == 1 ]; then
- [ -n "$netrenamed" ] && [ "$network" == "${network/${netrenamed}dhcp/}" ] && network="$network ${netrenamed}dhcp"
-fi
+config_foreach handle_fwzone zone
uci batch << EOF
set firewall.zone_freifunk="zone"
set firewall.zone_freifunk.name="freifunk"
-set firewall.zone_freifunk.network="$network"
set firewall.zone_freifunk.input="$zone_freifunk_input"
set firewall.zone_freifunk.forward="$zone_freifunk_forward"
set firewall.zone_freifunk.output="$zone_freifunk_output"
EOF
-uci_commitverbose "Setup freifunk firewall zone" firewall
+uci_commitverbose "Setup firewall zones" firewall
-# Usually we need to setup masquerading for lan, except lan is an olsr interface or has an olsr hna
+# Usually we need to setup masquerading for lan, except lan is an olsr interface or has an olsr hna-entry
handle_interface() {
config_get interface "$1" interface
config_load olsrd
config_foreach handle_interface Interface
-handle_hna() {
- config_get netaddr "$1" netaddr
- if [ "$NETWORK" == "$netaddr" ]; then
- no_masq_lan=1
- fi
-}
-config_foreach handle_hna Hna4
+LANIP="$(uci -q get network.lan.ipaddr)"
+if [ -n "$LANIP" ]; then
+ handle_hna() {
+ config_get netaddr "$1" netaddr
+ if [ "$LANIP" == "$netaddr" ]; then
+ no_masq_lan=1
+ fi
+ }
+ config_foreach handle_hna Hna4
+fi
currms=$(uci -q get firewall.zone_freifunk.masq_src)
if [ ! "$no_masq_lan" == "1" ]; then
[ -z "$(echo $currms |grep lan)" ] && uci add_list firewall.zone_freifunk.masq_src="lan"
fi
-# If wifi-interfaces are outside of the mesh network they should be natted
-for i in $networks; do
- # Get dhcprange and meshnet
- dhcprange=$(uci get meshwizard.netconfig.$i\_dhcprange)
- meshnet="$(uci get profile_$community.profile.mesh_network)"
- # check if the dhcprange is inside meshnet
- dhcpinmesh="$($dir/helpers/check-range-in-range.sh $dhcprange $meshnet)"
- if [ ! "$dhcpinmesh" == 1 ]; then
- [ -z "$(echo $currms |grep ${netrenamed}dhcp)" ] && uci add_list firewall.zone_freifunk.masq_src="${netrenamed}dhcp"
- fi
-done
-
-uci_commitverbose "Setup masquerading rules" firewall
# Rules, Forwardings, advanced config and includes
-# Clear firewall configuration
for config in freifunk profile_$community; do
config_foreach handle_firewall $section
done
done
-
uci_commitverbose "Setup rules, forwardings, advanced config and includes." firewall
+# If wan is used for olsr we need to cleanup old wan (forward) rules
+
+if [ "$wan_is_olsr" == 1 ]; then
+ handle_wanrules() {
+ config_get src "$1" src
+ config_get dest "$1" dest
+ if [ "$src" == "wan" ] || [ "$dest" == "wan" ]; then
+ uci del firewall.$1
+ fi
+ }
+ for i in rule forwarding; do
+ config_load firewall
+ config_foreach handle_wanrules $i
+ done
+ uci_commitverbose "Wan is used for olsr, delete wan firewall rules and forwardings" firewall
+fi
+