From: David Woodhouse <David.Woodhouse@intel.com>
Date: Tue, 11 Mar 2014 18:44:07 +0000 (-0700)
Subject: Set MTU on Windows
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4aac2d3536dc3034f4fd8f4124d870dcc8e512ce;p=users%2Fdwmw2%2Fvpnc-scripts.git

Set MTU on Windows

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---

diff --git a/vpnc-script b/vpnc-script
index 047e94a..79cf6e2 100755
--- a/vpnc-script
+++ b/vpnc-script
@@ -722,6 +722,31 @@ do_disconnect() {
 	if [ -n "$INTERNAL_IP4_DNS" ]; then
 		$RESTORERESOLVCONF
 	fi
+
+
+	if [ -n "$IPROUTE" ]; then
+		if [ -n "$INTERNAL_IP4_ADDRESS" ]; then
+			$IPROUTE addr del "$INTERNAL_IP4_ADDRESS/255.255.255.255" peer "$INTERNAL_IP4_ADDRESS" dev "$TUNDEV"
+		fi
+		# If the netmask is provided, it contains the address _and_ netmask
+		if [ -n "$INTERNAL_IP6_ADDRESS" ] && [ -z "$INTERNAL_IP6_NETMASK" ]; then
+			INTERNAL_IP6_NETMASK="$INTERNAL_IP6_ADDRESS/128"
+		fi
+		if [ -n "$INTERNAL_IP6_NETMASK" ]; then
+			$IPROUTE -6 addr del $INTERNAL_IP6_NETMASK dev $TUNDEV
+		fi
+	else
+		if [ -n "$INTERNAL_IP4_ADDRESS" ]; then
+			ifconfig "$TUNDEV" 0.0.0.0
+		fi
+		if [ -n "$INTERNAL_IP6_ADDRESS" ] && [ -z "$INTERNAL_IP6_NETMASK" ]; then
+			INTERNAL_IP6_NETMASK="$INTERNAL_IP6_ADDRESS/128"
+		fi
+		if [ -n "$INTERNAL_IP6_NETMASK" ]; then
+			ifconfig "$TUNDEV" inet6 del $INTERNAL_IP6_NETMASK
+		fi
+	fi
+
 	destroy_tun_device
 }
 
diff --git a/vpnc-script-win.js b/vpnc-script-win.js
index 5ec6a73..0c28344 100644
--- a/vpnc-script-win.js
+++ b/vpnc-script-win.js
@@ -47,6 +47,15 @@ case "connect":
 	if (env("INTERNAL_IP4_NETMASK")) {
 	    internal_ip4_netmask = env("INTERNAL_IP4_NETMASK");
 	}
+	if (env("INTERNAL_IP4_MTU")) {
+	    echo("MTU: " + env("INTERNAL_IP4_MTU"));
+	    run("netsh interface ipv4 set subinterface \"" + env("TUNDEV") +
+		"\" mtu=" + env("INTERNAL_IP4_MTU") + " store=active");
+	    if (env("INTERNAL_IP6_ADDRESS")) {
+		run("netsh interface ipv6 set subinterface \"" + env("TUNDEV") +
+		    "\" mtu=" + env("INTERNAL_IP4_MTU") + " store=active");
+	    }
+	}
 
 	echo("Configuring \"" + env("TUNDEV") + "\" interface for Legacy IP...");
 	run("netsh interface ip set address \"" + env("TUNDEV") + "\" static " +