From 1684c8f398922065a97e7da4dac4ac6a33cc5218 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Parm=C3=A9nides=20GV?= <parmegv@sdf.org>
Date: Wed, 9 Apr 2014 16:03:55 +0200
Subject: Back to the standard "app" module.

This return to "app" instead of "bitmask_android" is due to this reading: https://developer.android.com/sdk/installing/studio-build.html#projectStructure
I'll have to tweak the final apk name in build.gradle.
---
 .../openvpn-fwmarkroute-1.00/fwmarkroute.up        | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100755 app/openvpn/contrib/openvpn-fwmarkroute-1.00/fwmarkroute.up

(limited to 'app/openvpn/contrib/openvpn-fwmarkroute-1.00/fwmarkroute.up')

diff --git a/app/openvpn/contrib/openvpn-fwmarkroute-1.00/fwmarkroute.up b/app/openvpn/contrib/openvpn-fwmarkroute-1.00/fwmarkroute.up
new file mode 100755
index 00000000..661ec313
--- /dev/null
+++ b/app/openvpn/contrib/openvpn-fwmarkroute-1.00/fwmarkroute.up
@@ -0,0 +1,49 @@
+#!/bin/sh
+#
+#  Bring up vpn routing.
+
+#  calculate the network address
+remote_network=`ipcalc -n "$remote"/"$remote_netmask_bits"`
+remote_network="${remote_network#*=}"
+
+#  add the stuff that doesn't change if it's not already there
+grep -q '^202 ' /etc/iproute2/rt_tables 
+if [ "$?" -ne 0 ]
+then
+	echo 202 vpn.out >> /etc/iproute2/rt_tables
+fi
+grep -q '^203 ' /etc/iproute2/rt_tables 
+if [ "$?" -ne 0 ]
+then
+	echo 203 vpnonly.out >> /etc/iproute2/rt_tables
+fi
+ip rule ls | grep -q 'lookup vpn.out *$'
+if [ "$?" -ne 0 ]
+then
+	ip rule add fwmark 2 table vpn.out
+fi
+ip rule ls | grep -q 'lookup vpnonly.out *$'
+if [ "$?" -ne 0 ]
+then
+	ip rule add fwmark 3 table vpnonly.out
+fi
+
+#  route VPN traffic using the normal table
+iptables -A OUTPUT -t mangle -p "$proto" -d "$remote" --dport "$remote_port" \
+		-j ACCEPT
+
+#  route all other traffic to that host via VPN
+iptables -A OUTPUT -t mangle -d "$remote_network"/"$remote_netmask_bits" \
+		-j MARK --set-mark 2
+
+#  route all ICMP pings over the VPN
+iptables -A OUTPUT -t mangle --protocol icmp --icmp-type echo-request \
+		-j MARK --set-mark 3
+
+#  NAT traffic going over the VPN, so it doesn't have an unknown address
+iptables -t nat -A POSTROUTING -o "$1" -j SNAT --to-source "$4"
+
+#  add routing commands
+ip route add "$remote_network"/"$remote_netmask_bits" via "$5" table vpn.out
+ip route add table vpnonly.out via "$5"
+ip route flush cache
-- 
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