Index: trunk/packages/sipb-xen-dhcp/code/dhcpserver.py
===================================================================
--- trunk/packages/sipb-xen-dhcp/code/dhcpserver.py	(revision 361)
+++ trunk/packages/sipb-xen-dhcp/code/dhcpserver.py	(revision 377)
@@ -23,5 +23,4 @@
                 'router': '18.181.0.1',
                 'domain_name_server': '18.70.0.160,18.71.0.151,18.72.0.3',
-                'domain_name': 'mit.edu',
                 'ip_address_lease_time': 60*60*24}
 
@@ -96,5 +95,14 @@
             elif option_type == "string" :
                 options[parameter] = strlist(value).list()
+            
+            elif option_type == "RFC3397" :
+                parsed_value = ""
+                for item in value:
+                    components = item.split('.')
+                    item_fmt = "".join(chr(len(elt)) + elt for elt in components) + "\x00"
+                    parsed_value += item_fmt
                 
+                options[parameter] = strlist(parsed_value).list()
+            
             else :
                 options[parameter] = strlist(value).list()
@@ -110,14 +118,21 @@
         if ip is None:  #Deactivated?
             return False
+
+        options = {}
         if nic.hostname and '.' in nic.hostname:
-            hostname = nic.hostname
+            options['host_name'], options['domain_name'] = nic.hostname.split('.', 1)
         elif nic.machine.name:
-            hostname = nic.machine.name + '.servers.csail.mit.edu'
+            options['host_name'] = nic.machine.name
+            options['domain_name'] = 'servers.csail.mit.edu'
         else:
             hostname = None
+        if DhcpOptions['domain_search'] in packet.GetOption('parameter_request_list'):
+            options['host_name'] += '.' + options['domain_name']
+            del options['domain_name']
+            options['domain_search'] = ['mit.edu']
         if ip is not None:
             ip = ipv4(ip)
             Log.Output(Log.debug,"dhcp_backend : Discover result = "+str(ip))
-            packet_parameters = self.getParameters(host_name=hostname)
+            packet_parameters = self.getParameters(**options)
 
             # FIXME: Other offer parameters go here