From 7b385564880cfb5e075d9d69f3b2a52d611c02ff Mon Sep 17 00:00:00 2001
From: Manuel Munz <freifunk@somakoma.de>
Date: Tue, 25 Oct 2011 22:49:54 +0000
Subject: [PATCH] contrib/imagebuilder: Cleanups, seperate basic and network
 config of firewall and olsrd

---
 contrib/package/meshwizard/Makefile           |   2 +-
 .../bin/meshwizard/helpers/setup_firewall.sh  | 119 +++++++++---------
 .../helpers/setup_firewall_interface.sh       |  72 +++++++++++
 .../bin/meshwizard/helpers/setup_network.sh   |   4 +-
 .../usr/bin/meshwizard/helpers/setup_olsrd.sh |  49 +-------
 .../helpers/setup_olsrd_interface.sh          |  50 ++++++++
 .../bin/meshwizard/helpers/setup_splash.sh    |  35 +++---
 .../files/usr/bin/meshwizard/wizard.sh        |  14 ++-
 8 files changed, 212 insertions(+), 133 deletions(-)
 create mode 100755 contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_firewall_interface.sh
 create mode 100755 contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_olsrd_interface.sh

diff --git a/contrib/package/meshwizard/Makefile b/contrib/package/meshwizard/Makefile
index 5420f89d4..ffb1911d5 100644
--- a/contrib/package/meshwizard/Makefile
+++ b/contrib/package/meshwizard/Makefile
@@ -4,7 +4,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=meshwizard
-PKG_RELEASE:=2
+PKG_RELEASE:=0.0.5
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
 
diff --git a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_firewall.sh b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_firewall.sh
index e3eb6a779..f5c44161e 100755
--- a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_firewall.sh
+++ b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_firewall.sh
@@ -1,75 +1,63 @@
 #!/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
@@ -80,13 +68,16 @@ handle_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
@@ -94,22 +85,8 @@ 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
 
@@ -126,6 +103,22 @@ 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
+
diff --git a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_firewall_interface.sh b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_firewall_interface.sh
new file mode 100755
index 000000000..83b41d0a0
--- /dev/null
+++ b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_firewall_interface.sh
@@ -0,0 +1,72 @@
+#!/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
+
+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)
+
+# Delete old firewall zone for freifunk
+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 $1 zone_freifunk
+			fi
+		else
+			if [ ! "$name" == "freifunk" ] && [ -n "$netrenamed" -a -n "$(echo $network | grep $netrenamed)" ]; 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
+		fi
+	fi
+}
+
+config_foreach handle_fwzone zone zoneconf
+
+# Add $netrenamed and if needed ${netrenamed}dhcp to the "freifunk" 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 ${netrenamed}dhcp"
+fi
+
+uci set firewall.zone_freifunk.network="$network"
+
+uci_commitverbose "Add '$netrenamed' to freifunk firewall zone" firewall
+
+currms=$(uci -q get firewall.zone_freifunk.masq_src)
+
+# If interfaces are outside of the mesh network they should be natted
+for i in $networks; do
+        # Get dhcprange and meshnet
+        dhcprange=$(uci -q get meshwizard.netconfig.$i\_dhcprange)
+	if [ -n "$dhcprange" ]; then
+	        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
+	fi
+done
+
+uci_commitverbose "Setup masquerading rules for '$netrenamed'" firewall
diff --git a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_network.sh b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_network.sh
index 1492cbbb0..9958af1ac 100755
--- a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_network.sh
+++ b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_network.sh
@@ -61,12 +61,12 @@ if [ "$net_dhcp" == 1 ]; then
 		uci set network.${netrenamed}dhcp.interface="$netrenamed"
 	fi
 
-	uci batch << EOF
+uci batch << EOF
 set network.${netrenamed}dhcp.proto=static
 set network.${netrenamed}dhcp.ipaddr="$START"
 set network.${netrenamed}dhcp.netmask="$NETMASK"
+uci_commitverbose  "Setup interface for ${netrenamed}dhcp" network
 EOF
 
 fi
 
-uci_commitverbose  "Setup interface for ${netrenamed}dhcp" network
diff --git a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_olsrd.sh b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_olsrd.sh
index ba11b5174..39a4849c8 100755
--- a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_olsrd.sh
+++ b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_olsrd.sh
@@ -1,13 +1,11 @@
 #!/bin/sh
 # Sets up olsrd
-# arg $1 = net
-
-net=$1
 
 . /etc/functions.sh
 . $dir/functions.sh
 
 # Rename interface defaults
+
 handle_interfacedefaults() {
 	if [ -z "${1/cfg[0-9a-fA-F]*/}" ]; then
 		section_rename olsrd $1 InterfaceDefaults
@@ -21,53 +19,14 @@ uci set olsrd.InterfaceDefaults=InterfaceDefaults
 set_defaults "olsr_interfacedefaults_" olsrd.InterfaceDefaults
 uci_commitverbose "Setup olsr interface defaults" olsrd
 
-# Rename interface for $netrenamed
-handle_interface() {
-	config_get interface "$1" Interface
-	if [ "$interface" == "$netrenamed" ]; then
-		if [ -z "${1/cfg[0-9a-fA-F]*/}" ]; then
-			section_rename olsrd $1 $netrenamed
-		fi
-	fi
-}
-
-config_foreach handle_interface Interface
-
-# Setup new interface for $netrenamed
-
-uci set olsrd.$netrenamed=Interface
-set_defaults "olsr_interface_" olsrd.$net
-uci set olsrd.$netrenamed.interface="$netrenamed"
-
-uci_commitverbose "Setup olsr interface for $netrenamed." olsrd
-
-# If dhcp-network is inside the mesh_network then add HNA for it
-dhcprange=$(uci get meshwizard.netconfig.$net\_dhcprange)
-meshnet="$(uci get profile_$community.profile.mesh_network)"
-
-uci -q delete olsrd.${netrenamed}clients
-
-# check if the dhcprange is inside meshnet
-dhcpinmesh="$($dir/helpers/check-range-in-range.sh $dhcprange $meshnet)"
-
-# If it is setup hna for it
-if [ "$dhcpinmesh" == 1 ]; then
-	uci set olsrd.${netrenamed}clients="Hna4"
-	eval $(sh $dir/helpers/ipcalc-cidr.sh $dhcprange)
-	uci set olsrd.${netrenamed}clients.netaddr="$NETWORK"
-	uci set olsrd.${netrenamed}clients.netmask="$NETMASK"
-	uci_commitverbose "Setup HNA for network $dhcprange" olsrd
-fi
-
-
 # Rename nameservice, dyngw and httpinfo plugins
 
 handle_plugin() {
-        config_get library "$1" library
+	config_get library "$1" library
 	if [ -z "${1/cfg[0-9a-fA-F]*/}" ]; then
 		new="$(echo $library | cut -d '.' -f 1)"
 		section_rename olsrd $1 $new
-	fi		
+	fi
 }
 config_foreach handle_plugin LoadPlugin
 
@@ -97,6 +56,6 @@ if [ "$sharenet" == 1 ]; then
 	uci set olsrd.dyngw_plain=LoadPlugin
 	uci set olsrd.dyngw_plain.ignore=0
 	uci set olsrd.dyngw_plain.library="olsrd_dyn_gw_plain.so.0.4"
+
 	uci_commitverbose "Setup olsrd_dyngw_plain plugin" olsrd
 fi
-
diff --git a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_olsrd_interface.sh b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_olsrd_interface.sh
new file mode 100755
index 000000000..7472b625d
--- /dev/null
+++ b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_olsrd_interface.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+# Sets up olsrd interfaces
+# arg $1 = net
+
+net=$1
+
+. /etc/functions.sh
+. $dir/functions.sh
+
+# Rename interface for $netrenamed
+handle_interface() {
+	config_get interface "$1" Interface
+	if [ "$interface" == "$netrenamed" ]; then
+		if [ -z "${1/cfg[0-9a-fA-F]*/}" ]; then
+			section_rename olsrd $1 $netrenamed
+		fi
+	fi
+}
+
+config_foreach handle_interface Interface
+
+# Setup new interface for $netrenamed
+
+uci set olsrd.$netrenamed=Interface
+set_defaults "olsr_interface_" olsrd.$net
+uci set olsrd.$netrenamed.interface="$netrenamed"
+
+uci_commitverbose "Setup olsr interface for $netrenamed." olsrd
+
+# If dhcp-network is inside the mesh_network then add HNA for it
+dhcprange=$(uci -q get meshwizard.netconfig.$net\_dhcprange)
+
+uci -q delete olsrd.${netrenamed}clients
+
+# check if the dhcprange is inside meshnet
+
+if [ "$dhcp_range" == 1 ]; then
+	dhcpinmesh="$($dir/helpers/check-range-in-range.sh $dhcprange $meshnet)"
+	meshnet="$(uci get profile_$community.profile.mesh_network)"
+
+	# If it is setup hna for it
+	if [ "$dhcpinmesh" == 1 ]; then
+		uci set olsrd.${netrenamed}clients="Hna4"
+		eval $(sh $dir/helpers/ipcalc-cidr.sh $dhcprange)
+		uci set olsrd.${netrenamed}clients.netaddr="$NETWORK"
+		uci set olsrd.${netrenamed}clients.netmask="$NETMASK"
+		uci_commitverbose "Setup HNA for network $dhcprange" olsrd
+	fi
+fi
+
diff --git a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_splash.sh b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_splash.sh
index 1d1e24859..afbe1d5da 100755
--- a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_splash.sh
+++ b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_splash.sh
@@ -11,24 +11,25 @@ if [ ! "$has_luci_splash" == TRUE ]; then
 	exit
 fi
 
-handle_splash() {
-	config_get network "$1" network
-	if [ "$network" == "${netrenamed}dhcp" ]; then
-		if [ -z "${1/cfg[0-9a-fA-F]*/}" ]; then
-			section_rename luci_splash $1 ${netrenamed}dhcp
+dhcprange=$(uci -q get meshwizard.netconfig.$net\_dhcprange)
+
+if [ "$dhcp_range" == 1 ]; then
+	handle_splash() {
+		config_get network "$1" network
+		if [ "$network" == "${netrenamed}dhcp" ]; then
+			if [ -z "${1/cfg[0-9a-fA-F]*/}" ]; then
+				section_rename luci_splash $1 ${netrenamed}dhcp
+			fi
 		fi
-	fi
-}
-config_load luci_splash
-config_foreach handle_splash iface
+	}
+	config_load luci_splash
+	config_foreach handle_splash iface
 
-uci batch << EOF
-set luci_splash.${netrenamed}dhcp="iface"
-set luci_splash.${netrenamed}dhcp.network="${netrenamed}dhcp"
-set luci_splash.${netrenamed}dhcp.zone="freifunk"
-EOF
+	uci set luci_splash.${netrenamed}dhcp="iface"
+	uci set luci_splash.${netrenamed}dhcp.network="${netrenamed}dhcp"
+	uci set luci_splash.${netrenamed}dhcp.zone="freifunk"
 
-uci_commitverbose "Setup dhcpsplash for ${netrenamed}dhcp" luci_splash
-
-/etc/init.d/luci_splash enable
+	uci_commitverbose "Setup dhcpsplash for ${netrenamed}dhcp" luci_splash
+	/etc/init.d/luci_splash enable
+fi
 
diff --git a/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh b/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh
index 4b330ddec..2b85b7379 100755
--- a/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh
+++ b/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh
@@ -12,7 +12,7 @@
 . /etc/functions.sh
 
 echo "
-/* Meshwizard 0.0.4 */
+/* Meshwizard 0.0.5 */
 "
 
 # config
@@ -55,6 +55,8 @@ done < /tmp/meshwizard.tmp
 $dir/helpers/initial_config.sh
 $dir/helpers/setup_dnsmasq.sh
 $dir/helpers/setup_system.sh
+$dir/helpers/setup_olsrd.sh
+$dir/helpers/setup_firewall.sh
 
 # Configure found networks
 for net in $networks; do
@@ -62,8 +64,10 @@ for net in $networks; do
 	netrenamed="${net/radio/wireless}"
 	export netrenamed
 	$dir/helpers/setup_network.sh $net
-	$dir/helpers/setup_wifi.sh $net
-	$dir/helpers/setup_olsrd.sh $net
+	if [ ! "$net" == "wan" ]; then
+		$dir/helpers/setup_wifi.sh $net
+	fi
+	$dir/helpers/setup_olsrd_interface.sh $net
 
 	net_dhcp=$(uci -q get meshwizard.netconfig.${net}_dhcp)
 	if [ "$net_dhcp" == 1 ]; then
@@ -71,9 +75,9 @@ for net in $networks; do
 	fi
 
 	$dir/helpers/setup_splash.sh $net
-	$dir/helpers/setup_firewall.sh $net
+	$dir/helpers/setup_firewall_interface.sh $net
 done
 
 ##### Reboot the router (because simply restarting services gave errors)
 
-reboot
+#reboot
-- 
2.25.1