--- lib/PXElator/network.pm	2009/08/07 12:26:49	175
+++ lib/PXElator/network.pm	2009/09/08 16:54:35	393
@@ -6,16 +6,46 @@
 use File::Slurp;
 
 use server;
+use ip;
 
 sub ifconfig {
 	my $dev = shift;
 	`/sbin/ifconfig $dev`
 }
 
+sub setup {
+
+	if ( my $dev = $ENV{DEV} ) {
+		warn "W: running under device $dev, not configuring network\n";
+		return;
+	}
+
+	my $ifconfig = ifconfig('virtual');
+	if ( $ifconfig !~ m{UP} ) {
+		system "brctl addbr virtual";
+		system "brctl setfd virtual 0";
+		system("/sbin/ifconfig virtual $server::ip netmask $server::netmask") == 0 || warn "W: $!";
+	} else {
+		warn "using existing virtual configuration\n$ifconfig\n";
+	}
+	if ( my $dev = ip::default_route_dev() ) {
+		system "sudo sysctl -w net.ipv4.ip_forward=1";
+		my $network = ip::from_int( ip::to_int($server::ip) & ip::to_int($server::netmask) );
+		warn "# network $network";
+		system "sudo iptables -t nat -L POSTROUTING -n | grep $network || sudo iptables -t nat -A POSTROUTING -s $server::ip/$server::netmask -o wlan0 -j MASQUERADE";
+		warn "masquarade to $dev";
+	}
+}
+
 sub tap {
 
+	if ( my $dev = $ENV{DEV} ) {
+		warn "W: running under device $dev, not configuring tap0\n";
+		return;
+	}
+
 	if ( $server::ip !~ m{^172} ) {
-		warn "W: not configuring tap0 interface!";
+		warn "W: server ip mismetch, not configuring tap0\n";
 		return;
 	}
 
@@ -23,7 +53,7 @@
 
 	if ( $interfaces !~ m{tap0}s ) {
 
-		system "sudo apt-get install vde2";
+		system "sudo apt-get install -y vde2";
 
 		write_file '/tmp/interfaces', qq{