From 6d788d82f139ba10b08384fba42f25d13bd6f47a Mon Sep 17 00:00:00 2001
From: Manuel Munz <munz@comuno.net>
Date: Tue, 7 Jul 2015 12:22:39 +0200
Subject: [PATCH] contrib/meshwizard: fix LAN with OLSR and DHCP

---
 contrib/package/meshwizard/Makefile                |  2 +-
 .../files/usr/bin/meshwizard/helpers/setup_dhcp.sh |  6 +++++-
 .../usr/bin/meshwizard/helpers/setup_firewall.sh   |  3 +--
 .../usr/bin/meshwizard/helpers/setup_network.sh    | 24 +++++++++++++++++-----
 .../usr/bin/meshwizard/helpers/setup_splash.sh     | 10 +++++----
 .../meshwizard/files/usr/bin/meshwizard/wizard.sh  | 11 +++++++++-
 6 files changed, 42 insertions(+), 14 deletions(-)

diff --git a/contrib/package/meshwizard/Makefile b/contrib/package/meshwizard/Makefile
index 6959c544c..b4baab7fa 100644
--- a/contrib/package/meshwizard/Makefile
+++ b/contrib/package/meshwizard/Makefile
@@ -4,7 +4,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=meshwizard
-PKG_RELEASE:=0.3.0
+PKG_RELEASE:=0.3.1
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
 
diff --git a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_dhcp.sh b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_dhcp.sh
index 707178d27..8cce8319a 100755
--- a/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_dhcp.sh
+++ b/contrib/package/meshwizard/files/usr/bin/meshwizard/helpers/setup_dhcp.sh
@@ -23,15 +23,19 @@ config_foreach handle_dnsmasq dhcp
 if [ "$supports_vap" = 1 -a "$vap" = 1 ]; then
 	uci batch <<- EOF
 		set dhcp.${netrenamed}dhcp="dhcp"
+		set dhcp.${netrenamed}dhcp.ignore="0"
 		set dhcp.${netrenamed}dhcp.interface="${netrenamed}dhcp"
 	EOF
 	set_defaults "dhcp_" dhcp.${netrenamed}dhcp
 fi
 
 ahdhcp_when_vap="$(uci get profile_$community.profile.adhoc_dhcp_when_vap)"
-if [ "$supports_vap" = 0 ] || [ "$supports_vap" = 1 -a "$vap" = 1 -a "$ahdhcp_when_vap" = 1 ]; then
+if [ "$supports_vap" = 0 ] || \
+	[ "$supports_vap" = 1 -a "$vap" = 1 -a "$ahdhcp_when_vap" = 1 ] || \
+	[ "$lan_is_olsr" = "1" -a "$lan_dhcp" = 1 ]; then
 	uci batch <<- EOF
 		set dhcp.${netrenamed}ahdhcp="dhcp"
+		set dhcp.${netrenamed}ahdhcp.ignore="0"
 		set dhcp.${netrenamed}ahdhcp.interface="${netrenamed}ahdhcp"
 	EOF
 fi
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 52659457d..154b2b691 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
@@ -7,7 +7,6 @@
 . $dir/functions.sh
 
 wan_is_olsr=$(uci -q get meshwizard.netconfig.wan_config)
-lan_is_olsr=$(uci -q get meshwizard.netconfig.lan_config)
 
 config_load firewall
 
@@ -34,7 +33,7 @@ handle_fwzone() {
 		fi
 	fi
 
-	if [ "$name" == "lan" ] && [ "$lan_is_olsr" == 1 ]; then
+	if [ "$name" == "lan" ] && [ "$lan_is_olsr" == "1" ]; then
 			uci set firewall.$1.network=' ' && uci_commitverbose "LAN is used for olsr, removed the lan interface from zone lan" firewall
 	fi
 }
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 d8aa8a095..7035e7fb4 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
@@ -1,6 +1,6 @@
 # setup entry in /etc/config/network for a interface
 # Argument $1: network interface
- 
+
 net="$1"
 . /lib/functions.sh
 . $dir/functions.sh
@@ -24,6 +24,13 @@ uci batch << EOF
 	set network.$netrenamed.netmask="$netmask"
 EOF
 
+if [ "$netrenamed" = "lan" ]; then
+	# remove the bridge if the interface is used for olsr
+	# since this script is only run in this case, no need
+	# to check for lan_proto = "olsr" currently.
+	uci -q delete network.lan.type
+fi
+
 # Setup IPv6 for the interface
 local ip6addr
 if [ "$ipv6_enabled" = 1 ]; then
@@ -116,9 +123,16 @@ if [ "$net_dhcp" == 1 ]; then
 
 
 	# Setup alias for $net adhoc interface 
-	if  [ "$supports_vap" = 0 ] || [ "$vap" = 0 ] || [ "$supports_vap" = 1 -a "$vap" = 1 -a "$ahdhcp_when_vap" = 1 ]; then
-		# vaps are either not supported or enabled or they are supported and enabled
-		# but we also want to use DHCP on the adhoc interface
+	if  [ "$supports_vap" = 0 ] || \
+		[ "$vap" = 0 ] || \
+		[ "$supports_vap" = 1 -a "$vap" = 1 -a "$ahdhcp_when_vap" = 1 ] || \
+		[ "$lan_is_olsr" = "1" ]; then
+		# setup an alias interface for the main interface to use as a network for clients
+		# when one of the following conditions is met
+		# * vaps are not supported
+		# * or not enabled
+		# * or they are supported and enabled but we also want to use DHCP on the adhoc interface
+		# * or this is the lan interface and it is used for olsrd (and dhcp is enabled)
 		uci batch <<- EOF
 			set network.${netrenamed}ahdhcp=interface
 			set network.${netrenamed}ahdhcp.ifname="@${netrenamed}"
@@ -126,6 +140,6 @@ if [ "$net_dhcp" == 1 ]; then
 			set network.${netrenamed}ahdhcp.ipaddr="$STARTADHOC"
 			set network.${netrenamed}ahdhcp.netmask="$NETMASKADHOC"
 		EOF
+		uci_commitverbose  "Setup interface for ${netrenamed}ahdhcp" network
 	fi
-	uci_commitverbose  "Setup interface for ${netrenamed}ahdhcp" network
 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 7cac3d697..3c3e6a32e 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
@@ -25,7 +25,7 @@ splash_net_add() {
 	EOF
 }
 
-if [ "$(uci -q get meshwizard.netconfig.$net\_dhcp)" == 1 ] && [ -n "$dhcprange" ]; then
+if [ "$(uci -q get meshwizard.netconfig.$net\_dhcp)" = 1 ] && [ -n "$dhcprange" ]; then
 	handle_splash() {
 		config_get network "$1" network
 		if [ "$network" == "${netrenamed}dhcp" ]; then
@@ -38,13 +38,15 @@ if [ "$(uci -q get meshwizard.netconfig.$net\_dhcp)" == 1 ] && [ -n "$dhcprange"
 	config_foreach handle_splash iface
 
 	if [ "$supports_vap" = 1 -a "$vap" = 1 ]; then
-		splash_net_add ${netrenamed}dhcp		
+		splash_net_add ${netrenamed}dhcp
 		uci_commitverbose "Setup dhcpsplash for ${netrenamed}dhcp" luci_splash
 	fi
 
 	ahdhcp_when_vap="$(uci get profile_$community.profile.adhoc_dhcp_when_vap)"
-	if [ "$supports_vap" = 0 ] || [ "$supports_vap" = 1 -a "$vap" = 1 -a "$ahdhcp_when_vap" = 1 ]; then
-		splash_net_add ${netrenamed}ahdhcp		
+	if [ "$supports_vap" = 0 ] || \
+		[ "$supports_vap" = 1 -a "$vap" = 1 -a "$ahdhcp_when_vap" = 1 ] || \
+		[ "$lan_dhcp" = 1 ]; then
+		splash_net_add ${netrenamed}ahdhcp
 		uci_commitverbose "Setup dhcpsplash for ${netrenamed}ahdhcp" luci_splash
 	fi
 	/etc/init.d/luci_splash enable
diff --git a/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh b/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh
index b666313e4..372148997 100755
--- a/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh
+++ b/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh
@@ -10,7 +10,7 @@
 # You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 
 echo "
-/* Meshwizard 0.3.0 */
+/* Meshwizard 0.3.1 */
 "
 
 # config
@@ -34,6 +34,8 @@ cleanup=$(uci -q get meshwizard.general.cleanup)
 # Rename wifi interfaces
 $dir/helpers/rename-wifi.sh
 
+export lan_is_olsr="$(uci -q get meshwizard.netconfig.lan_config)"
+
 # Get community
 community="$(uci -q get meshwizard.community.name || uci -q get freifunk.community.name)"
 [ -z "$community" ] && echo "Error: Community is not set in /etc/config/freifunk, aborting now." && exit 1
@@ -114,6 +116,13 @@ for net in $networks; do
 	$dir/helpers/setup_olsrd_interface.sh $net
 
 	net_dhcp=$(uci -q get meshwizard.netconfig.${net}_dhcp)
+	export ${net}_dhcp=$net_dhcp
+
+        if [ "$net" = "lan" ] && [ "$lan_is_olsr" = "1" ]; then
+                uci -q set dhcp.lan.ignore="1"
+                uci_commitverbose "Disable DHCP on LAN because it is an olsr interface." dhcp
+        fi
+
 	if [ "$net_dhcp" == 1 ]; then
 		$dir/helpers/setup_dhcp.sh $net
 	fi
-- 
2.11.0