--- bin/dhcpd.pl	2009/07/27 11:46:44	8
+++ bin/dhcpd.pl	2009/07/27 22:18:51	12
@@ -14,8 +14,7 @@
 
 my $debug = shift @ARGV;
 
-our ( $server_ip, $next_file );
-require "config.pl";
+our ( $server_ip, $file, $next_file );
 
 my $sock = IO::Socket::INET->new(
 	LocalPort	=> 67,
@@ -53,6 +52,8 @@
 
 while (1) {
 
+	require "config.pl"; # refresh config
+
 	print "waiting for DHCP requests on ",$sock->sockhost,":",$sock->sockport,"\n";
 
 	my $buf;
@@ -73,8 +74,13 @@
 		my $mac = substr($dhcp->chaddr(),0,$dhcp->hlen()*2);
 		my $ip = client_ip($mac);
 
-		my $file =  $next_file;
-		$file = 'undionly.kpxe' if ! $file || $dhcp->getOptionValue(DHO_USER_CLASS()) ne 'gPXE';
+		if ( ! $file ) {
+			if ( $dhcp->getOptionValue(DHO_USER_CLASS()) ne 'gPXE' ) {
+				$file = 'undionly.kpxe';
+			} else {
+				$file = $next_file;
+			}
+		}
 
 		my $packet = new Net::DHCP::Packet(
 			Op		=> BOOTREPLY(),