From 6236682824a1e6d43ea554b822631cfb23eb1a37 Mon Sep 17 00:00:00 2001
From: Martin Fuchs <mfuchs@pfsense.org>
Date: Fri, 21 Dec 2007 20:09:23 +0000
Subject: =?UTF-8?q?OpenVPN-multi-interface-patches=20by=20Fernando=20Tarl?=
 =?UTF-8?q?=E1=20Cardoso=20Lemos?=
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---
 etc/inc/openvpn.inc       | 10 +++++++++-
 usr/local/pkg/openvpn.xml | 14 ++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/etc/inc/openvpn.inc b/etc/inc/openvpn.inc
index 81aabc0..ac6318f 100644
--- a/etc/inc/openvpn.inc
+++ b/etc/inc/openvpn.inc
@@ -341,6 +341,15 @@ EOD;
 			$openvpn_conf .= "push \"route $ip $mask\"\n";
 		}
 
+        if ($settings['bind_to_iface'] == 'on') {
+            $iface = $settings['interface'];
+            $iface = convert_friendly_interface_to_real_interface_name($iface);
+            $line = trim(shell_exec("ifconfig $iface | grep inet | grep -v inet6"));
+            list($dummy, $ip, $dummy2, $dummy3) = explode(' ', $line);
+
+            $openvpn_conf .= "local {$ip}\n";
+        }
+
 		// The port we'll listen at
 		$openvpn_conf .= "lport {$settings['local_port']}\n";
 
@@ -400,7 +409,6 @@ EOD;
 		$openvpn_conf .= "remote {$settings['serveraddr']} {$settings['serverport']}\n";
 
 		if ($settings['auth_method'] == 'pki') $openvpn_conf .= "client\n";
-
 		if ($settings['use_dynamicport']) $openvpn_conf .= "nobind\n";
 			else
 			// The port we'll listen at
diff --git a/usr/local/pkg/openvpn.xml b/usr/local/pkg/openvpn.xml
index 8b3271d..bc4ac00 100644
--- a/usr/local/pkg/openvpn.xml
+++ b/usr/local/pkg/openvpn.xml
@@ -64,6 +64,20 @@
 			</options>
 			<default_value>UDP</default_value>
 		</field>
+        <field>
+            <fieldname>bind_to_iface</fieldname>
+            <fielddescr>Bind to an interface</fielddescr>
+            <description>Check to bind on a specific network interface.</description>
+            <type>checkbox</type>
+            <enablefields>interface</enablefields>
+        </field>
+        <field>
+            <fieldname>interface</fieldname>
+            <fielddescr>Interface</fielddescr>
+            <description>The interface on which the OpenVPN daemon will listen.</description>
+            <type>interfaces_selection</type>
+            <default_value>wan</default_value>
+        </field>
 		<field>
 			<fieldname>dynamic_ip</fieldname>
 			<fielddescr>Dynamic IP</fielddescr>
-- 
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