--- lib/PXElator/dhcpd.pm	2009/08/03 19:59:08	128
+++ lib/PXElator/dhcpd.pm	2009/08/05 23:22:17	153
@@ -49,24 +49,23 @@
 		return $ip;
 	}
 
-	mkdir $_ foreach grep { ! -e $_ } map { "$conf/$_" } ( 'ip', 'mac' );
-
 	my $p = Net::Ping->new;
 
 	my $prefix = $server::ip;
 	$prefix =~ s{\.\d+$}{.};
 	my $ip = $prefix . $addr;
-	while ( -e "conf/ip/$ip" || $p->ping( $ip ) ) {
+	while ( -e "$conf/ip/$ip" || $p->ping( $ip ) ) {
 		$ip = $prefix . $addr++;
 		die "all addresses allocated!" if $addr == $server::ip_to;
 	}
 
 	write_file "$conf/mac/$mac", $ip;
-	if ( -l "$conf/ip/$ip" && readlink "$conf/ip/$ip" ne "$conf/mac/$mac") {
+
+	if ( -l "$conf/ip/$ip" && readlink "$conf/ip/$ip" ne "$conf/mac/$mac" ) {
 		unlink     "$conf/ip/$ip";
-		symlink    "$conf/mac/$mac", "$conf/ip/$ip";
-		warn "$mac IP changed to $ip";
-	}
+		warn "$mac IP changed from ", readlink "$conf/ip/$ip", " to $ip";
+	};
+	symlink    "$conf/mac/$mac", "$conf/ip/$ip";
 
 	print "$mac NEW $ip\n";
 
@@ -75,6 +74,7 @@
 
 use log;
 use config;
+use pxelinux;
 
 our $file;
 our $transaction = 0; # FIXME predictible transaction numbers
@@ -125,13 +125,18 @@
 		Giaddr	=> $dhcp->giaddr(),
 		Chaddr	=> $dhcp->chaddr(),
 		File	=> $file,
-
-		DHO_PXELINUX_MAGIC()       => 0xF100747E,
-		DHO_PXELINUX_CONFIG_FILE() => 'pxelinux.cfg/default',
-		DHO_PXELINUX_PATH_PREFIX() => 'live-helper/tftpboot/',
-		DHO_PXELINUX_REBOOT_TIME() => 5, # default: 300 s
 	};
 
+	foreach my $opt ( 'magic', 'config_file', 'path_prefix', 'reboot_time' ) {
+		my $DH0 = eval 'DHO_PXELINUX_' . uc $opt;
+		warn "DH0: $@" if $@;
+		my $v = eval "\$pxelinux::$opt";
+		warn "v: $@" if $@;
+		next unless defined $v;
+		warn "pxelinux dhcp option $opt = $DH0 = $v";
+		$packet->{ $DH0 } = $v;
+	}
+
 	my $messagetype = $dhcp->getOptionValue(DHO_DHCP_MESSAGE_TYPE());
 
 	if ($messagetype eq DHCPDISCOVER()) {
@@ -147,8 +152,8 @@
 #			$packet->{DHO_DHCP_SERVER_IDENTIFIER()} = $server::ip;		# FIXME
 			$packet->{DHO_SUBNET_MASK()}            = '255.255.255.0';
 			$packet->{DHO_ROUTERS()}                = $server::ip;
-#			$packet->{DHO_DOMAIN_NAME()}            = 'pxelator.lan';
-#			$packet->{DHO_NAME_SERVERS()}           = $server::ip;
+			$packet->{DHO_DOMAIN_NAME()}            = 'pxelator.lan';
+			$packet->{DHO_NAME_SERVERS()}           = $server::ip;
 #			$packet->{DHO_ROOT_PATH()}              = '/exports/foobar';
 		} else {
 			$packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPNAK();
@@ -162,6 +167,8 @@
 
 	warn ">> $mac == $ip server: $server::ip", $file ? " file: $file\n" : "\n" if $debug;
 
+warn "## created packet ", dump( $packet );
+
 	$packet = new Net::DHCP::Packet( %$packet );
 	warn "send ",$packet->toString() if $debug;