Attachment 5596 Details for Bug 33223

[patch] Fix DHCP options + cleanup

332xx_dhcp-statement.diff (text/plain), 79.83 KB, created by Philipp Hahn on 2013-11-11 08:51 CET

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Creator: Philipp Hahn

Created: 2013-11-11 08:51 CET

Size: 79.83 KB

patch

obsolete

>diff --git a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/__init__.py b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/__init__.py
>index 48dee48..75b2aaf 100644
>--- a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/__init__.py
>+++ b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/__init__.py
>@@ -64,6 +64,7 @@ s4connector_search = False
> # FIXME: What is the use of the following line?
> # __path__.append("users")
> 
>+
> # manages properties
> class base(object):
> 	def __init__(self, co, lo, position, dn='', superordinate = None ):
>@@ -299,7 +300,6 @@ class base(object):
> 		return self.descriptions.keys()
> 
> 	def items(self):
>-
> 		# this returns emtpy strings resp. empty lists for attributes not set
> 		r=[]
> 		for key in self.keys():
>@@ -456,7 +456,6 @@ class base(object):
> 
> 
> class simpleLdap(base):
>-
> 	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
> 		global s4connector_present
> 		global s4connector_search
>@@ -528,7 +527,7 @@ class simpleLdap(base):
> 	def description(self):
> 		if self.dn:
> 			rdn = self.lo.explodeDn(self.dn)[0]
>-			return rdn[rdn.find('=')+1:]
>+			return rdn[rdn.find('=') + 1:]
> 		else:
> 			return 'none'
> 
>@@ -546,34 +545,25 @@ class simpleLdap(base):
> 		self.exceptions=[]
> 
> 		# remove all properties which do not belong to chosen options
>-
>-		chosen_options = None
>-		descriptions = None
>-
> 		try:
> 			# these might not be set by an inheriting module
> 			chosen_options = self.options
> 			descriptions = self.descriptions
> 		except:
>-			pass
>+			chosen_options = None
>+			descriptions = None
> 
> 		if chosen_options and descriptions:
> 			for desc in descriptions:
> 				propoptions = descriptions[desc].options
> 
>-				if (propoptions==[]):
>+				if not propoptions:
> 					# property applies to all options
> 					continue
> 
>-				shortcut = False
>-
>-				for i in propoptions:
>-					if i in chosen_options:
>-						# this property applies to one of the chosen options,
>-						# jump to next option
>-						shortcut = True
>-						continue
>-				if shortcut:
>+				if set(propoptions) & set(chosen_options):
>+					# this property applies to one of the chosen options,
>+					# jump to next option
> 					continue
> 
> 				# if we've come here, we found a property that does not apply
>@@ -594,7 +584,6 @@ class simpleLdap(base):
> 				ml.append(('objectClass', self.oldattr.get('objectClass', []), self.oldattr.get('objectClass', [])+['univentionPolicyReference']))
> 			ml.append(('univentionPolicyReference', self.oldpolicies, self.policies))
> 
>-
> 		return ml
> 
> 	def _create(self):
>@@ -719,7 +708,7 @@ class simpleLdap(base):
> 		self.save()
> 		return self.dn
> 
>-#+++# MODIFY #+++#
>+	#+++# MODIFY #+++#
> 	def _modify(self, modify_childs=1, ignore_license=0):
> 		self.exceptions=[]
> 
>@@ -744,7 +733,7 @@ class simpleLdap(base):
> 		# iterate over all properties and call checkLdap() of corresponding syntax
> 		self._call_checkLdap_on_all_property_syntaxes()
> 
>-#+++# MODLIST #+++#
>+		#+++# MODLIST #+++#
> 		ml=self._ldap_modlist()
> 		# custom attributes
> 		m=univention.admin.modules.get(self.module)
>@@ -781,7 +770,6 @@ class simpleLdap(base):
> 							ml.remove(i)
> 						ml.extend( addlist )
> 
>-
> 					else:
> 						if deleteObjectClass == '1' and not self.info.has_key(pname):
> 							# value is empty, should delete objectClass and Values
>@@ -829,7 +817,6 @@ class simpleLdap(base):
> 					ml.append( ('objectClass', self.oldattr.get('objectClass'), current_ocs+[prop.objClass]) )
> 
> 				else:
>-
> 					if prop.syntax == 'boolean' and self.info.has_key(prop.name) and self.info[prop.name] == '0':
> 						# syntax is boolean and value == 0 ==> remove
> 						dellist = []
>@@ -1009,8 +996,6 @@ class simpleLdap(base):
> 			self.policyObjects[policy_type]=univention.admin.objects.get(policy_module, None, self.lo, policy_position)
> 			self.policyObjects[policy_type].copyIdentifier(self)
> 			self._init_ldap_search( self.policyObjects[ policy_type ] )
>-		else:
>-			pass
> 
> 		return self.policyObjects[policy_type]
> 
>@@ -1122,7 +1107,7 @@ class simpleComputer( simpleLdap ):
> 		zoneName.reverse( )
> 		relativeDomainName = relativeDomainName.split( '.' )
> 		relativeDomainName.reverse( )
>-		return '%s.%s' % ( string.join( zoneName, '.' ) , string.join( relativeDomainName, '.' ) )
>+		return '.'.join(zoneName + relativeDomainName)
> 
> 	def __ip_from_ptr_ipv6( self, zoneName, relativeDomainName ):
> 		fullName = relativeDomainName + '.' + zoneName.replace('.ip6.arpa', '')
>@@ -1408,13 +1393,12 @@ class simpleComputer( simpleLdap ):
> 				object[ 'host' ] = object[ 'host' ].replace( old_name, new_name )
> 				object.modify( )
> 
>-
> 	def __remove_from_dhcp_object( self, position = None, name = None, oldname = None, mac = None, ip = None ):
> 		# if we got the mac addres, then we remove the object
> 		# if we only got the ip addres, we remove the ip address
> 
> 		univention.debug.debug( univention.debug.ADMIN, univention.debug.INFO, 'we should remove a dhcp object: position="%s", name="%s", oldname="%s", mac="%s", ip="%s"' % ( position, name, oldname, mac, ip ) )
>-		
>+
> 		dn = None
> 
> 		tmppos = univention.admin.uldap.position( self.position.getDomain( ) )
>@@ -1494,11 +1478,10 @@ class simpleComputer( simpleLdap ):
> 					for dn2, attributes2 in self.lo.search(scope='domain', attr=[ 'zoneName' ], filter='(&(relativeDomainName=%s)(objectClass=dNSZone))' %  name, unique=0 ):
> 						self.lo.modify( dn, [('pTRRecord', '%s.%s.' % (name, attributes2['zoneName'][0]), '')] )
> 
>-				zone = univention.admin.handlers.dns.reverse_zone.object( self.co, self.lo, self.position, zoneDN) 
>+				zone = univention.admin.handlers.dns.reverse_zone.object( self.co, self.lo, self.position, zoneDN)
> 				zone.open()
> 				zone.modify()
> 
>-
> 		univention.debug.debug( univention.debug.ADMIN, univention.debug.INFO, 'we should remove a dns reverse object: dnsEntryZoneReverse="%s", name="%s", ip="%s"' % ( dnsEntryZoneReverse, name, ip ) )
> 		if dnsEntryZoneReverse:
> 			rdn = self.calc_dns_reverse_entry_name( ip, dnsEntryZoneReverse )
>@@ -1519,7 +1502,7 @@ class simpleComputer( simpleLdap ):
> 						modify(rdn, zone)
> 					except univention.admin.uexceptions.noObject:
> 						pass
>-			pass
>+
> 	def __add_dns_reverse_object( self, name, zoneDn, ip ):
> 		univention.debug.debug( univention.debug.ADMIN, univention.debug.INFO, 'we should create a dns reverse object: zoneDn="%s", name="%s", ip="%s"' % ( zoneDn, name, ip ) )
> 		if name and zoneDn and ip:
>@@ -1644,8 +1627,6 @@ class simpleComputer( simpleLdap ):
> 		for dn, attributes in self.lo.search(base=zoneDN, scope='domain', attr=['pTRRecord'], filter=search_filter):
> 			self.lo.modify(dn, [('pTRRecord', '', ptrrecord)])
> 
>-
>-
> 	def __remove_related_ptrrecords(self, zoneDN, ip):
> 		ptrrecord = '%s.%s.' % (self.info['name'], zoneDN.split('=')[1].split(',')[0])
> 		ip_split = ip.split('.')
>@@ -1655,7 +1636,6 @@ class simpleComputer( simpleLdap ):
> 		for dn, attributes in self.lo.search(base=zoneDN, scope='domain', attr=['pTRRecord'], filter=search_filter):
> 			if ptrrecord in attributes['pTRRecord']:
> 				self.lo.modify(dn, [('pTRRecord', ptrrecord, '')])
>-		
> 
> 	def check_common_name_length(self):
> 		univention.debug.debug( univention.debug.ADMIN, univention.debug.INFO, 'check_common_name_length with self["ip"] = %r and self["dnsEntryZoneForward"] = %r' % (self['ip'], self['dnsEntryZoneForward'], ))
>@@ -1779,7 +1759,6 @@ class simpleComputer( simpleLdap ):
> 					else:
> 						self.lo.modify( dn, [ ( 'aRecord', '' ,  ip ) ] )
> 
>-
> 	def __add_dns_alias_object( self, name, dnsForwardZone, dnsAliasZoneContainer, alias ):
> 		univention.debug.debug( univention.debug.ADMIN, univention.debug.INFO, 'add a dns alias object: name="%s", dnsForwardZone="%s", dnsAliasZoneContainer="%s", alias="%s"' % ( name, dnsForwardZone, dnsAliasZoneContainer, alias ) )
> 		if name and dnsForwardZone and dnsAliasZoneContainer and alias:
>@@ -1798,7 +1777,6 @@ class simpleComputer( simpleLdap ):
> 			else:
> 				# thow exeption, cNAMERecord is single value
> 				raise univention.admin.uexceptions.dnsAliasAlreadyUsed, _('DNS alias is already in use.')
>-		pass
> 
> 	def __remove_dns_alias_object( self, name, dnsForwardZone, dnsAliasZoneContainer, alias = None ):
> 		univention.debug.debug( univention.debug.ADMIN, univention.debug.INFO, 'remove a dns alias object: name="%s", dnsForwardZone="%s", dnsAliasZoneContainer="%s", alias="%s"' % ( name, dnsForwardZone, dnsAliasZoneContainer, alias ) )
>@@ -1845,9 +1823,7 @@ class simpleComputer( simpleLdap ):
> 					pass
> 
> 	def _ldap_post_modify( self ):
>-
>-		if len ( self[ 'mac' ] ) > 1 or len( self[ 'ip' ] ) > 1:
>-			self.__multiip = True
>+		self.__multiip |= len(self['mac']) > 1 or len(self['ip']) > 1
> 
> 		for entry in self.__changes[ 'dhcpEntryZone' ][ 'remove' ]:
> 			univention.debug.debug( univention.debug.ADMIN, univention.debug.INFO, 'simpleComputer: dhcp check: removed: %s' % entry )
>@@ -1900,7 +1876,6 @@ class simpleComputer( simpleLdap ):
> 			else:
> 				self.__add_dns_reverse_object( self[ 'name' ], dn, ip )
> 
>-
> 		for entry in self.__changes[ 'dnsEntryZoneAlias' ][ 'remove' ]:
> 			dnsForwardZone, dnsAliasZoneContainer, alias = entry
> 			if not alias:
>@@ -1963,7 +1938,6 @@ class simpleComputer( simpleLdap ):
> 			self.__update_groups_after_namechange()
> 			self.__rename_dhcp_object( position = None, old_name = self.__changes[ 'name' ][ 0 ], new_name = self.__changes[ 'name' ][ 1 ] )
> 			self.__rename_dns_object( position = None, old_name = self.__changes[ 'name' ][ 0 ], new_name = self.__changes[ 'name' ][ 1 ] )
>-			pass
> 
> 		if self.ipRequest == 1 and self[ 'ip' ]:
> 			for ipAddress in self[ 'ip' ]:
>@@ -1981,17 +1955,16 @@ class simpleComputer( simpleLdap ):
> 
> 	def __remove_associated_domain( self, entry ):
> 		dn, ip = self.__split_dns_line( entry )
>-		domain = string.join(ldap.explode_rdn(dn)[0].split('=')[1:], '=')
>+		domain = ldap.explode_rdn(dn)[0].split('=', 1)[1]
> 		if self.info.get('domain', None) == domain:
> 			self.info['domain'] = None
> 
> 	def __set_associated_domain( self, entry ):
> 		dn, ip = self.__split_dns_line( entry )
>-		domain = string.join(ldap.explode_rdn(dn)[0].split('=')[1:], '=')
>+		domain = ldap.explode_rdn(dn)[0].split('=', 1)[1]
> 		if not self.info.get('domain', None):
> 			self.info['domain'] = domain
> 
>-
> 	def _ldap_modlist( self ):
> 		self.__changes =  {	'mac': {'remove': [ ], 'add': [ ]}, 'ip': {'remove': [ ], 'add': [ ]}, 'name': None,
> 							'dnsEntryZoneForward': { 'remove': [ ], 'add': [ ] },
>@@ -2029,13 +2002,13 @@ class simpleComputer( simpleLdap ):
> 		newAaaaRecord = []
> 		if oldAddresses != newAddresses:
> 			if oldAddresses:
>-			    for address in oldAddresses:
>+				for address in oldAddresses:
> 					if ':' in address: # IPv6
> 						oldAaaaRecord.append(address)
> 					else:
> 						oldARecord.append(address)
> 			if newAddresses:
>-			    for address in newAddresses:
>+				for address in newAddresses:
> 					if ':' in address: # IPv6
> 						newAaaaRecord.append(ipaddr.IPv6Address(address).exploded)
> 					else:
>@@ -2075,19 +2048,17 @@ class simpleComputer( simpleLdap ):
> 						continue
> 					self.__changes[ 'ip' ][ 'remove' ].append( ipAddress )
> 
>-
> 		if self.hasChanged( 'name' ):
> 			ml.append( ( 'sn', self.oldattr.get( 'sn', [ None ] )[ 0 ], self[ 'name' ] ) )
> 			self.__changes[ 'name' ] = ( self.oldattr.get( 'sn', [ None ] )[ 0 ], self[ 'name' ] )
> 
> 		if self.hasChanged('ip') or self.hasChanged('mac'):
>-
> 			if len(self.info.get('ip', [])) == 1 and len(self.info.get('mac', [])) == 1 and len(self.info.get('dhcpEntryZone', [])):
> 				# In this special case, we assume the mapping between ip/mac address to be
> 				# unique. The dhcp entry needs to contain the mac address (as sepcified by
>-				# the ldap search for dhcp entries), the ip address may not correspond to 
>-				# the ip address associated with the computer ldap object, but this would 
>-				# be erroneous anyway. We therefore update the dhcp entry to correspond to 
>+				# the ldap search for dhcp entries), the ip address may not correspond to
>+				# the ip address associated with the computer ldap object, but this would
>+				# be erroneous anyway. We therefore update the dhcp entry to correspond to
> 				# the current ip and mac address. (Bug #20315)
> 				dn, ip, mac = self.__split_dhcp_line( self.info['dhcpEntryZone'][0] )
> 
>@@ -2171,12 +2142,9 @@ class simpleComputer( simpleLdap ):
> 				else:
> 					raise univention.admin.uexceptions.invalidDNSAliasEntry, _('The DNS alias entry for this host should contain the zone name, the alias zone container LDAP-DN and the alias.')
> 
>-		if len ( self[ 'mac' ] ) < 2 and len( self[ 'ip' ] ) < 2:
>-			self.__multiip = False
>-		else:
>-			self.__multiip = True
>+		self.__multiip = len(self['mac']) > 1 or len(self['ip']) > 1
> 
>-		ml = ml + super( simpleComputer, self )._ldap_modlist( )
>+		ml += super(simpleComputer, self)._ldap_modlist()
> 
> 		return ml
> 
>@@ -2191,6 +2159,7 @@ class simpleComputer( simpleLdap ):
> 			subnet=ldap.explode_dn(reverseDN, 1)[0].replace('.in-addr.arpa','').split('.')
> 			ip=sip.split('.')
> 			return self.calc_dns_reverse_entry_name_do(4, subnet, ip)
>+
> 	def calc_dns_reverse_entry_name_do(self, maxLength, zoneNet, ip):
> 		zoneNet.reverse()
> 		if not ip[:len(zoneNet)] == zoneNet:
>@@ -2222,7 +2191,6 @@ class simpleComputer( simpleLdap ):
> 			else:
> 				self.__modify_dhcp_object( dn, self[ 'name' ], ip, mac )
> 
>-
> 		for entry in self.__changes[ 'dnsEntryZoneForward' ][ 'remove' ]:
> 			dn, ip = self.__split_dns_line( entry )
> 			if not ip and not self.__multiip:
>@@ -2314,7 +2282,6 @@ class simpleComputer( simpleLdap ):
> 			groupObject = univention.admin.objects.get(univention.admin.modules.get('groups/group'), self.co, self.lo, self.position, group)
> 			groupObject.fast_member_remove( [ self.dn ], self.oldattr.get('uid',[]), ignore_license=1 )
> 
>-
> 	def __update_groups_after_namechange(self):
> 		oldname = self.oldinfo.get('name')
> 		newname = self.info.get('name')
>@@ -2356,7 +2323,6 @@ class simpleComputer( simpleLdap ):
> 
> 			self.lo.modify(group, [('uniqueMember', oldUniqueMembers, newUniqueMembers), ('memberUid', oldMemberUids, newMemberUids)])
> 
>-
> 	def update_groups(self):
> 		if not self.hasChanged('groups') and \
> 			   not ('oldPrimaryGroupDn' in self.__dict__ and self.oldPrimaryGroupDn) and \
>@@ -2400,7 +2366,6 @@ class simpleComputer( simpleLdap ):
> 				groupObject['hosts'].remove(self.dn)
> 				groupObject.modify(ignore_license=1)
> 
>-
> 	def primary_group(self):
> 		if not self.hasChanged('primaryGroup'):
> 			return
>@@ -2545,9 +2510,6 @@ class simpleComputer( simpleLdap ):
> 							self.__saved_dhcp_entry = network_object['dhcpEntryZone']
> 
> 					self.old_network=value
>-				else:
>-					pass
>-
> 
> 		elif key == 'ip':
> 			self.ip_freshly_set = True
>@@ -2581,8 +2543,8 @@ class simpleComputer( simpleLdap ):
> 		if raise_after:
> 			raise raise_after
> 
>-class simpleLdapSub(simpleLdap):
> 
>+class simpleLdapSub(simpleLdap):
> 	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
> 		base.__init__(self, co, lo, position, dn, superordinate )
> 
>@@ -2601,9 +2563,9 @@ class simpleLdapSub(simpleLdap):
> 		if hasattr(self,"_ldap_post_remove"):
> 			self._ldap_post_remove()
> 
>+
> class simplePolicy(simpleLdap):
> 	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
>-
> 		self.resultmode=0
> 		self.dn=dn
> 
>@@ -2786,7 +2748,6 @@ class simplePolicy(simpleLdap):
> 		self.policy_result()
> 
> 		if self.polinfo.has_key(key):
>-
> 			if self.polinfo[key] != newvalue or self.polinfo_more[key]['policy'] == self.cloned or ( self.info.has_key( key ) and self.info[ key ] != newvalue ):
> 				if self.polinfo_more[key]['fixed'] and self.polinfo_more[key]['policy'] != self.cloned:
> 					raise univention.admin.uexceptions.policyFixedAttribute, key
>@@ -2795,9 +2756,7 @@ class simplePolicy(simpleLdap):
> 				if self.hasChanged(key):
> 					univention.debug.debug(univention.debug.ADMIN, univention.debug.INFO, 'polinfo: key:%s hasChanged' % (key) )
> 					self.changes=1
>-				return
>-			else:
>-				return
>+			return
> 
> 		# this object did not exist before
> 		if not self.oldinfo:
>diff --git a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/__common.py b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/__common.py
>index e8ded03..6ad97a3 100644
>--- a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/__common.py
>+++ b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/__common.py
>@@ -30,55 +30,115 @@
> # /usr/share/common-licenses/AGPL-3; if not, see
> # <http://www.gnu.org/licenses/>.
> 
>-import copy
>-
>+import sys
> import univention.admin.localization
>-from univention.admin.layout import Tab, Group
>+from univention.admin.layout import Tab
>+from univention.admin.handlers import simpleLdap
> 
>-translation = univention.admin.localization.translation( 'univention.admin.handlers.dhcp' )
>+translation = univention.admin.localization.translation('univention.admin.handlers.dhcp')
> _ = translation.translate
> 
>+
>+_options = {
>+	'options': univention.admin.option(
>+		short_description=_('Allow custom DHCP options'),
>+		long_description=_("Allow adding custom DHCP options. Experts only!"),
>+		default=False,
>+		editable=True,
>+		objectClasses=['dhcpOptions'],
>+	),
>+}
>+
>+
> _properties = {
> 	'option': univention.admin.property(
>-		short_description = _( 'DHCP options' ),
>-		long_description = _( 'Defines DHCP options for the subnet.' ),
>-		syntax = univention.admin.syntax.string,
>-		multivalue = True,
>-		options = [],
>-		required = 0,
>-		may_change = True,
>-		identifies = 0
>-		),
>+		short_description=_('DHCP options'),
>+		long_description=_('Defines additional DHCP options.'),
>+		syntax=univention.admin.syntax.string,
>+		multivalue=True,
>+		options=["options"],
>+		required=False,
>+		may_change=True,
>+		identifies=False,
>+	),
> }
> 
>-# def optionMap( value ):
>-# 	return map( lambda x: ' '.join( x ), value )
> 
>-# def optionUnmap( value ):
>-# 	return map( lambda x: x.split( ' ', 1 ), value )
>+def rangeMap(value):
>+	return map(lambda x: ' '.join(x), value)
>+
>+
>+def rangeUnmap(value):
>+	return map(lambda x: x.split(), value)
>+
> 
> _mappings = (
>-	# ( 'option', 'dhcpOption', optionMap, optionUnmap ),
>-	( 'option', 'dhcpOption', None, univention.admin.mapping.ListToString ),
>-	)
>+	('option', 'dhcpOption', None, None),
>+)
>+
> 
>-def add_dhcp_options( properties, mapping, layout ):
>-	global _properties, _mappings
>+def add_dhcp_options(module_name):
>+	module = sys.modules[module_name]
> 
>-	for name, prop in _properties.items():
>-		properties[ name ] = prop
>+	options = getattr(module, "options")
>+	options.update(_options)
> 
>+	properties = getattr(module, "property_descriptions")
>+	properties.update(_properties)
>+
>+	mapping = getattr(module, "mapping")
> 	for item in _mappings:
>-		mapping.register( *item )
>+		mapping.register(*item)
>+
>+	layout = getattr(module, "layout")
>+	layout.append(Tab(
>+		_('DHCP options'),
>+		_('Custom DHCP options'),
>+		advanced=True,
>+		layout=['option']
>+	))
>+
>+
>+class SimpleDhcp(simpleLdap):
>+	@classmethod
>+	def lookup(cls, co, lo, filter_s, base='', superordinate=None, scope='sub', unique=0, required=0, timeout=-1, sizelimit=0):
>+		filter_str = unicode(cls.lookup_filter(filter_s))
>+		res = [
>+			cls(co, lo, None, dn=dn, superordinate=superordinate, attributes=attrs)
>+			for dn, attrs in lo.search(filter_str, base, scope, [], unique, required, timeout, sizelimit)
>+		]
>+		return res
>+
>+
>+class DhcpOptions(SimpleDhcp):
>+	def setup_options(self, options):
>+		self.options = []
>+		self._define_options(options)
>+
>+	def open(self):
>+		super(DhcpOptions, self).open()
>+		try:
>+			ocs = self.oldattr['objectClass']
>+			if "dhcpOptions" in ocs:
>+				self.options.append("options")
>+		except LookupError:
>+			pass
>+		self.old_options = list(self.options)
>+
>+	def _ldap_modlist(self):
>+		if "options" not in self.options:
>+			del self.info.get('option', [])[:]
> 
>-	# currently not visible
>-	#layout.append( Tab( _( 'Advanced' ), _( 'Advanced DHCP options' ), layout = [ 'option' ] ) )
>+		mod_list = super(DhcpOptions, self)._ldap_modlist()
> 
>-def add_dhcp_objectclass( self, ml ):
>-	oldOCs = self.oldattr.get( 'objectClass', [] )
>-	newOCs = copy.copy( oldOCs )
>-	if self.info.get( 'option', [] ) and not 'dhcpOptions' in oldOCs:
>-		newOCs.append( 'dhcpOptions' )
>-		ml.append( ( 'objectClass', oldOCs, newOCs ) )
>+		old_ocs = self.oldattr.get('objectClass', [])
>+		if self.info.get('option', []):
>+			if 'dhcpOptions' not in old_ocs:
>+				new_ocs = old_ocs + ['dhcpOptions']
>+				mod_list.append(('objectClass', old_ocs, new_ocs))
>+		elif "options" not in self.options and 'dhcpOptions' in old_ocs:
>+			new_ocs = list(old_ocs)
>+			new_ocs.remove("dhcpOptions")
>+			mod_list.append(('objectClass', old_ocs, new_ocs))
> 
>-	return ml
>+		return mod_list
>diff --git a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/dhcp.py b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/dhcp.py
>index 82e00d0..f812041 100644
>--- a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/dhcp.py
>+++ b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/dhcp.py
>@@ -44,78 +44,87 @@ import univention.admin.handlers.dhcp.sharedsubnet
> import univention.admin.handlers.dhcp.subnet
> 
> 
>-translation=univention.admin.localization.translation('univention.admin.handlers.dhcp')
>-_=translation.translate
>-
>-
>-module='dhcp/dhcp'
>-
>-childs=0
>-short_description=_('DHCP')
>-long_description=''
>-operations=['search']
>-usewizard=1
>-wizardmenustring=_("DHCP")
>-wizarddescription=_("Add, edit and delete DHCP objects")
>-wizardoperations={"add":[_("Add"), _("Add DHCP object")],"find":[_("Search"), _("Search DHCP object(s)")]}
>-wizardpath="univentionDhcpObject"
>-wizardsuperordinates = ( 'None', 'dhcp/service', 'dhcp/shared' )
>+translation = univention.admin.localization.translation('univention.admin.handlers.dhcp')
>+_ = translation.translate
>+
>+
>+module = 'dhcp/dhcp'
>+
>+childs = 0
>+short_description = _('DHCP')
>+long_description = ''
>+operations = ['search']
>+usewizard = 1
>+wizardmenustring = _("DHCP")
>+wizarddescription = _("Add, edit and delete DHCP objects")
>+wizardoperations = {
>+	"add": [_("Add"), _("Add DHCP object")],
>+	"find": [_("Search"), _("Search DHCP object(s)")],
>+}
>+wizardpath = "univentionDhcpObject"
>+wizardsuperordinates = ('None', 'dhcp/service', 'dhcp/shared')
> wizardtypesforsuper = {
>-	'None' : ( 'dhcp/service', ),
>-	'dhcp/service' : ( 'dhcp/host', 'dhcp/server', 'dhcp/shared', 'dhcp/subnet' ),
>-	'dhcp/shared' : ( 'dhcp/sharedsubnet', )
>-	}
>-
>-childmodules=["dhcp/host","dhcp/pool","dhcp/server","dhcp/service","dhcp/shared","dhcp/sharedsubnet","dhcp/subnet"]
>-virtual=1
>-options={
>+	'None': ('dhcp/service',),
>+	'dhcp/service': ('dhcp/host', 'dhcp/server', 'dhcp/shared', 'dhcp/subnet'),
>+	'dhcp/shared': ('dhcp/sharedsubnet',)
>+}
>+
>+childmodules = [
>+	"dhcp/host",
>+	"dhcp/pool",
>+	"dhcp/server",
>+	"dhcp/service",
>+	"dhcp/shared",
>+	"dhcp/sharedsubnet",
>+	"dhcp/subnet",
>+]
>+virtual = 1
>+
>+options = {
> }
>-property_descriptions={
>+
>+property_descriptions = {
> 	'name': univention.admin.property(
>-			short_description=_('Name'),
>-			long_description='',
>-			syntax=univention.admin.syntax.string,
>-			multivalue=0,
>-			include_in_default_search=1,
>-			options=[],
>-			required=1,
>-			may_change=1,
>-			identifies=1
>-		)
>+		short_description=_('Name'),
>+		long_description='',
>+		syntax=univention.admin.syntax.string,
>+		multivalue=False,
>+		include_in_default_search=True,
>+		options=[],
>+		required=True,
>+		may_change=True,
>+		identifies=True
>+	)
> }
> 
>-layout = [ Tab( _( 'General' ), _( 'Basic settings' ), layout = [ "name" ] ) ]
>+layout = [Tab(_('General'), _('Basic settings'), layout=["name"])]
> 
>-mapping=univention.admin.mapping.mapping()
>+mapping = univention.admin.mapping.mapping()
> 
> 
> class object(univention.admin.handlers.simpleLdap):
>-	module=module
>+	module = module
> 
>-	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
>-		global mapping
>-		global property_descriptions
>+	def __init__(self, co, lo, position, dn='', superordinate=None, attributes=[]):
>+		self.mapping = mapping
>+		self.descriptions = property_descriptions
> 
>-		self.mapping=mapping
>-		self.descriptions=property_descriptions
>-
>-		univention.admin.handlers.simpleLdap.__init__(self, co, lo, position, dn, superordinate, attributes = attributes )
>+		super(object, self).__init__(co, lo, position, dn, superordinate, attributes=attributes)
> 
> 
> def lookup(co, lo, filter_s, base='', superordinate=None, scope='sub', unique=0, required=0, timeout=-1, sizelimit=0):
>-	ret=[]
>+	ret = []
> 	if superordinate:
>-		ret+=  univention.admin.handlers.dhcp.host.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>-		ret+= univention.admin.handlers.dhcp.pool.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>-		ret+=univention.admin.handlers.dhcp.server.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>-		ret+= univention.admin.handlers.dhcp.shared.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>-		ret+= univention.admin.handlers.dhcp.sharedsubnet.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>-		ret+= univention.admin.handlers.dhcp.subnet.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>+		ret += univention.admin.handlers.dhcp.host.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>+		ret += univention.admin.handlers.dhcp.pool.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>+		ret += univention.admin.handlers.dhcp.server.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>+		ret += univention.admin.handlers.dhcp.shared.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>+		ret += univention.admin.handlers.dhcp.sharedsubnet.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>+		ret += univention.admin.handlers.dhcp.subnet.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
> 	else:
>-		ret+= univention.admin.handlers.dhcp.service.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
>+		ret += univention.admin.handlers.dhcp.service.lookup(co, lo, filter_s, base, superordinate, scope, unique, required, timeout, sizelimit)
> 	return ret
> 
>+
> def identify(dn, attr, canonical=0):
> 	pass
>-
>-
>diff --git a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/host.py b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/host.py
>index e7cc0d3..11b36d2 100644
>--- a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/host.py
>+++ b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/host.py
>@@ -34,127 +34,137 @@ from univention.admin.layout import Tab, Group
> import univention.admin.filter
> import univention.admin.handlers
> import univention.admin.localization
>-import univention.debug
>-
>-translation=univention.admin.localization.translation('univention.admin.handlers.dhcp')
>-_=translation.translate
>-
>-module='dhcp/host'
>-operations=['add','edit','remove','search']
>-superordinate='dhcp/service'
>-childs=0
>-usewizard=1
>-short_description=_('DHCP: Host')
>-long_description=''
>-options={
>+import univention.debug as ud
>+
>+translation = univention.admin.localization.translation('univention.admin.handlers.dhcp')
>+_ = translation.translate
>+
>+module = 'dhcp/host'
>+operations = ['add', 'edit', 'remove', 'search']
>+superordinate = 'dhcp/service'
>+childs = 0
>+usewizard = 1
>+short_description = _('DHCP: Host')
>+long_description = ''
>+
>+options = {
> }
>-property_descriptions={
>+
>+property_descriptions = {
> 	'host':  univention.admin.property(
>-			short_description=_('Hostname'),
>-			long_description='',
>-			syntax=univention.admin.syntax.string,
>-			multivalue=0,
>-			include_in_default_search=1,
>-			options=[],
>-			required=1,
>-			may_change=1,
>-			identifies=1
>-		),
>+		short_description=_('Hostname'),
>+		long_description='',
>+		syntax=univention.admin.syntax.string,
>+		multivalue=False,
>+		include_in_default_search=True,
>+		options=[],
>+		required=True,
>+		may_change=True,
>+		identifies=True
>+	),
> 	'hwaddress': univention.admin.property(
>-			short_description=_('Hardware address'),
>-			long_description=_('Currently, only the ethernet and token-ring types are recognized. \
>-The hardware-address should be a set of hexadecimal octets (numbers from 0 through ff) separated by colons.'),
>-			syntax=univention.admin.syntax.DHCP_HardwareAddress,
>-			multivalue=0,
>-			options=[],
>-			required=1,
>-			may_change=1,
>-			identifies=0
>-		),
>+		short_description=_('Hardware address'),
>+		long_description=_(
>+			'Currently, only the ethernet and token-ring types are recognized.'
>+			'The hardware-address should be a set of hexadecimal octets (numbers from 0 through ff) separated by colons.'),
>+		syntax=univention.admin.syntax.DHCP_HardwareAddress,
>+		multivalue=False,
>+		options=[],
>+		required=True,
>+		may_change=True,
>+		identifies=False
>+	),
> 	'fixedaddress': univention.admin.property(
>-			short_description=_('Fixed IP addresses'),
>-			long_description=_('Assign one or more fixed IP addresses. \
>-Each address should be either an IP address or a domain name that resolves to one or more IP addresses'),
>-			syntax=univention.admin.syntax.string,
>-			multivalue=1,
>-			options=[],
>-			required=0,
>-			may_change=1,
>-			identifies=0
>-		),
>+		short_description=_('Fixed IP addresses'),
>+		long_description=_(
>+			'Assign one or more fixed IP addresses.'
>+			'Each address should be either an IP address or a domain name that resolves to one or more IP addresses'),
>+		syntax=univention.admin.syntax.string,
>+		multivalue=True,
>+		options=[],
>+		required=False,
>+		may_change=True,
>+		identifies=False
>+	),
> }
>-layout=[
>-	Tab( _('General'), _('Basic settings'), layout = [
>-		Group( _( 'General' ), layout = [
>+
>+layout = [
>+	Tab(_('General'), _('Basic settings'), layout=[
>+		Group(_('General'), layout=[
> 			'host',
> 			'hwaddress',
> 			'fixedaddress'
>-		] ),
>-	] )
>+		]),
>+	])
> ]
> 
>+
> def unmapHWAddress(old):
>-	univention.debug.debug(univention.debug.ADMIN, univention.debug.INFO, 'host.py: unmapHWAddress: old: %s' % old)
>+	ud.debug(ud.ADMIN, ud.INFO, 'host.py: unmapHWAddress: old: %s' % old)
> 	if not old:
> 		return ['', '']
> 	return old[0].split(' ')
> 
>+
> def mapHWAddress(old):
>-	univention.debug.debug(univention.debug.ADMIN, univention.debug.INFO, 'host.py: mapHWAddress: old: %s' % old)
>+	ud.debug(ud.ADMIN, ud.INFO, 'host.py: mapHWAddress: old: %s' % old)
> 	if not old[0]:
> 		return ''
> 	else:
>-		if len (old) > 1:
>+		if len(old) > 1:
> 			return '%s %s' % (old[0], old[1])
> 		else:
> 			return old
> 
>-mapping=univention.admin.mapping.mapping()
>+
>+mapping = univention.admin.mapping.mapping()
> mapping.register('host', 'cn', None, univention.admin.mapping.ListToString)
> mapping.register('hwaddress', 'dhcpHWAddress', mapHWAddress, unmapHWAddress)
> mapping.register('fixedaddress', 'univentionDhcpFixedAddress')
> 
>-class object(univention.admin.handlers.simpleLdap):
>-	module=module
>+from .__common import add_dhcp_options, DhcpOptions
>+add_dhcp_options(__name__)
> 
>-	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
>-		global mapping
>-		global property_descriptions
> 
>-		self.mapping=mapping
>-		self.descriptions=property_descriptions
>+class object(DhcpOptions):
>+	module = module
>+
>+	def __init__(self, co, lo, position, dn='', superordinate=None, attributes=[]):
>+		self.mapping = mapping
>+		self.descriptions = property_descriptions
> 
> 		if not superordinate:
> 			raise univention.admin.uexceptions.insufficientInformation, 'superordinate object not present'
> 		if not dn and not position:
> 			raise univention.admin.uexceptions.insufficientInformation, 'neither dn nor position present'
> 
>-		univention.admin.handlers.simpleLdap.__init__(self, co, lo, position, dn, superordinate, attributes = attributes )
>+		super(object, self).__init__(co, lo, position, dn, superordinate, attributes=attributes)
>+		self.setup_options(options)
> 
> 	def _ldap_pre_create(self):
>-		self.dn='%s=%s,%s' % (mapping.mapName('host'), mapping.mapValue('host', self.info['host']), self.position.getDn())
>+		self.dn = '%s=%s,%s' % (
>+			mapping.mapName('host'),
>+			mapping.mapValue('host', self.info['host']),
>+			self.position.getDn()
>+		)
> 
> 	def _ldap_addlist(self):
> 		return [
> 			('objectClass', ['top', 'univentionDhcpHost']),
> 		]
> 
>-def lookup(co, lo, filter_s, base='', superordinate=None, scope='sub', unique=0, required=0, timeout=-1, sizelimit=0):
>+	@staticmethod
>+	def lookup_filter(filter_s=None, lo=None):
>+		filter_obj = univention.admin.filter.conjunction('&', [
>+			univention.admin.filter.expression('objectClass', 'univentionDhcpHost')
>+		])
>+		filter_obj.append_unmapped_filter_string(filter_s, univention.admin.mapping.mapRewrite, mapping)
>+		return filter_obj
> 
>-	filter=univention.admin.filter.conjunction('&', [
>-	univention.admin.filter.expression('objectClass', 'univentionDhcpHost')
>-	])
> 
>-	if filter_s:
>-		filter_p=univention.admin.filter.parse(filter_s)
>-		univention.admin.filter.walk(filter_p, univention.admin.mapping.mapRewrite, arg=mapping)
>-		filter.expressions.append(filter_p)
>+lookup_filter = object.lookup_filter
>+lookup = object.lookup
> 
>-	res=[]
>-	for dn, attrs in lo.search(unicode(filter), base, scope, [], unique, required, timeout, sizelimit):
>-		res.append((object(co, lo, None, dn=dn, superordinate=superordinate, attributes = attrs )))
>-	return res
> 
> def identify(dn, attr):
>-
> 	return 'univentionDhcpHost' in attr.get('objectClass', [])
>diff --git a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/pool.py b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/pool.py
>index f02c862..6c96521 100644
>--- a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/pool.py
>+++ b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/pool.py
>@@ -31,7 +31,6 @@
> # <http://www.gnu.org/licenses/>.
> 
> import copy
>-import string
> 
> from univention.admin.layout import Tab, Group
> import univention.admin.filter
>@@ -39,211 +38,204 @@ import univention.admin.handlers
> import univention.admin.localization
> import univention.admin.uexceptions
> 
>-translation=univention.admin.localization.translation('univention.admin.handlers.dhcp')
>-_=translation.translate
>+translation = univention.admin.localization.translation('univention.admin.handlers.dhcp')
>+_ = translation.translate
> 
>-module='dhcp/pool'
>-operations=['add','edit','remove','search']
>+module = 'dhcp/pool'
>+operations = ['add', 'edit', 'remove', 'search']
> superordinate = 'dhcp/subnet'
>-childs=0
>-usewizard=1
>-short_description=_('DHCP: Pool')
>-long_description=''
>-options={
>+childs = 0
>+usewizard = 1
>+short_description = _('DHCP: Pool')
>+long_description = ''
>+
>+options = {
> }
>-property_descriptions={
>+
>+property_descriptions = {
> 	'name': univention.admin.property(
>-			short_description=_('Name'),
>-			long_description='',
>-			syntax=univention.admin.syntax.string,
>-			multivalue=0,
>-			include_in_default_search=1,
>-			options=[],
>-			required=1,
>-			may_change=0,
>-			identifies=1
>-		),
>+		short_description=_('Name'),
>+		long_description=_('A unique name used to identify this pool, e.g. "known" or "guests"'),
>+		syntax=univention.admin.syntax.string,
>+		multivalue=False,
>+		include_in_default_search=True,
>+		options=[],
>+		required=True,
>+		may_change=False,
>+		identifies=True
>+	),
> 	'range': univention.admin.property(
>-			short_description=_('IP range for dynamic assignment'),
>-			long_description='',
>-			syntax=univention.admin.syntax.IPv4_AddressRange,
>-			multivalue=1,
>-			options=[],
>-			required=1,
>-			may_change=1,
>-			identifies=0
>-		),
>+		short_description=_('IP range for dynamic assignment'),
>+		long_description='',
>+		syntax=univention.admin.syntax.IPv4_AddressRange,
>+		multivalue=True,
>+		options=[],
>+		required=True,
>+		may_change=True,
>+		identifies=False
>+	),
> 	'failover_peer': univention.admin.property(
>-			short_description=_('Failover peer'),
>-			long_description='',
>-			syntax=univention.admin.syntax.string,
>-			multivalue=0,
>-			options=[],
>-			required=0,
>-			may_change=1,
>-			identifies=0,
>-		),
>+		short_description=_('Failover peer'),
>+		long_description=_('The name of a failover configuration manually configured in /etc/dhcp/local.conf.'),
>+		syntax=univention.admin.syntax.string,
>+		multivalue=False,
>+		options=[],
>+		required=False,
>+		may_change=True,
>+		identifies=False,
>+	),
> 	'known_clients': univention.admin.property(
>-			short_description=_('Allow known clients'),
>-			long_description='',
>-			syntax=univention.admin.syntax.AllowDeny,
>-			multivalue=0,
>-			options=[],
>-			required=0,
>-			may_change=1,
>-			identifies=0
>-		),
>+		short_description=_('Give IP to known clients'),
>+		long_description=_('Addresses are allocated for client, which have a host entry matching their MAC address.'),
>+		syntax=univention.admin.syntax.AllowDeny,
>+		multivalue=False,
>+		options=[],
>+		required=False,
>+		may_change=True,
>+		identifies=False
>+	),
> 	'unknown_clients': univention.admin.property(
>-			short_description=_('Allow unknown clients'),
>-			long_description='',
>-			syntax=univention.admin.syntax.AllowDeny,
>-			multivalue=0,
>-			options=[],
>-			required=0,
>-			may_change=1,
>-			identifies=0
>-		),
>+		short_description=_('Give IP to unknown clients'),
>+		long_description=_('Addresses are allocated for clients, which do not have a host entry mating their MAC address.'),
>+		syntax=univention.admin.syntax.AllowDeny,
>+		multivalue=False,
>+		options=[],
>+		required=False,
>+		may_change=True,
>+		identifies=False
>+	),
> 	'dynamic_bootp_clients': univention.admin.property(
>-			short_description=_('Allow dynamic BOOTP clients'),
>-			long_description='',
>-			syntax=univention.admin.syntax.AllowDeny,
>-			multivalue=0,
>-			options=[],
>-			required=0,
>-			may_change=1,
>-			identifies=0
>-		),
>+		short_description=_('Give IP to dynamic BOOTP clients'),
>+		long_description=_(
>+			'Give addresses to clients using the legacy BOOTP protocol.'
>+			'Since BOOTP does not support an expiry date or a release mechanism, addresses are allocated indefinitely!'),
>+		syntax=univention.admin.syntax.AllowDeny,
>+		multivalue=False,
>+		options=[],
>+		required=False,
>+		may_change=True,
>+		identifies=False
>+	),
> 	'all_clients': univention.admin.property(
>-			short_description=_('All clients'),
>-			long_description='',
>-			syntax=univention.admin.syntax.AllowDeny,
>-			multivalue=0,
>-			options=[],
>-			required=0,
>-			may_change=1,
>-			identifies=0
>-		),
>+		short_description=_('Give IP from this pool'),
>+		long_description=_('Give addresses from this pool at all or not.'),
>+		syntax=univention.admin.syntax.AllowDeny,
>+		multivalue=False,
>+		options=[],
>+		required=False,
>+		may_change=True,
>+		identifies=False
>+	),
> }
> 
>-options={
>+options = {
> }
> 
> layout = [
>-	Tab(_('General'), _('Basic settings'), layout = [
>-		Group( _( 'General' ), layout = [
>+	Tab(_('General'), _('Basic settings'), layout=[
>+		Group(_('General'), layout=[
> 			'name',
> 			'range'
>-		] ),
>-	] ),
>-	Tab( _( 'Advanced' ), _('Advanced DHCP pool options'), advanced = True, layout = [
>+		]),
>+	]),
>+	Tab(_('Advanced'), _('Advanced DHCP pool options'), advanced=True, layout=[
> 		'failover_peer',
>-		[ 'known_clients', 'unknown_clients' ],
>-		[ 'dynamic_bootp_clients', 'all_clients' ]
>-	] )
>+		['known_clients', 'unknown_clients'],
>+		['dynamic_bootp_clients', 'all_clients']
>+	])
> ]
> 
>-def rangeMap( value ):
>-	return map( lambda x: ' '.join( x ), value )
> 
>-def rangeUnmap( value ):
>-	return map( lambda x: x.split( ' ' ), value )
>+from .__common import rangeMap, rangeUnmap, add_dhcp_options, DhcpOptions
> 
>-mapping=univention.admin.mapping.mapping()
>+mapping = univention.admin.mapping.mapping()
> mapping.register('name', 'cn', None, univention.admin.mapping.ListToString)
> mapping.register('range', 'dhcpRange', rangeMap, rangeUnmap)
> mapping.register('failover_peer', 'univentionDhcpFailoverPeer', None, univention.admin.mapping.ListToString)
> 
>-class object(univention.admin.handlers.simpleLdap):
>-	module=module
>+add_dhcp_options(__name__)
> 
>-	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
>-		global mapping
>-		global property_descriptions
> 
>-		self.mapping=mapping
>-		self.descriptions=property_descriptions
>+class object(DhcpOptions):
>+	module = module
>+
>+	permits_udm2dhcp = {
>+		'known_clients': "known clients",
>+		'unknown_clients': "unknown clients",
>+		'dynamic_bootp_clients': "dynamic bootp clients",
>+		'all_clients': "all clients",
>+	}
>+	permits_dhcp2udm = dict((value, key) for (key, value) in permits_udm2dhcp.items())
>+
>+	def __init__(self, co, lo, position, dn='', superordinate=None, attributes=[]):
>+		self.mapping = mapping
>+		self.descriptions = property_descriptions
> 
> 		if not superordinate:
> 			raise univention.admin.uexceptions.insufficientInformation, 'superordinate object not present'
> 		if not dn and not position:
> 			raise univention.admin.uexceptions.insufficientInformation, 'neither dn nor position present'
> 
>-		univention.admin.handlers.simpleLdap.__init__(self, co, lo, position, dn, superordinate, attributes = attributes )
>+		super(object, self).__init__(co, lo, position, dn, superordinate, attributes=attributes)
>+		self.setup_options(options)
> 
> 	def open(self):
>-
>-		univention.admin.handlers.simpleLdap.open(self)
>+		super(object, self).open()
> 
> 		for i in self.oldattr.get('dhcpPermitList', []):
>-			pos=i.find(' ')
>-			permit=i[:pos]
>-			name=i[pos+1:]
>-			if name == 'known clients':
>-				self['known_clients']=permit
>-			elif name == 'unknown clients':
>-				self['unknown_clients']=permit
>-			elif name == 'dynamic bootp clients':
>-				self['dynamic_bootp_clients']=permit
>-			elif name == 'all clients':
>-				self['all_clients']=permit
>+			permit, name = i.split(' ', 1)
>+			prop = self.permits_dhcp2udm[name]
>+			self[prop] = permit
> 
> 		self.save()
> 
>-
> 	def _ldap_pre_create(self):
>-		self.dn='%s=%s,%s' % (mapping.mapName('name'), mapping.mapValue('name', self.info['name']), self.position.getDn())
>+		self.dn = '%s=%s,%s' % (
>+			mapping.mapName('name'),
>+			mapping.mapValue('name', self.info['name']),
>+			self.position.getDn()
>+		)
> 
> 	def _ldap_addlist(self):
> 		return [
> 			('objectClass', ['top', 'univentionDhcpPool']),
> 		]
>-	
>+
> 	def _ldap_modlist(self):
>-		ml=univention.admin.handlers.simpleLdap._ldap_modlist(self)
>-		if self.hasChanged(['known_clients', 'unknown_clients', 'dynamic_bootp_clients', 'all_clients']):
>-			old=self.oldattr.get('dhcpPermitList', [])
>-			new=copy.deepcopy(old)
>-
>-			if self.oldinfo.has_key('known_clients') and self.oldinfo['known_clients']:
>-				new.remove(self.oldinfo['known_clients']+' known clients')
>-			if self.info.has_key('known_clients') and self.info['known_clients']:
>-				new.append(self.info['known_clients']+' known clients')
>-				
>-			if self.oldinfo.has_key('unknown_clients') and self.oldinfo['unknown_clients']:
>-				new.remove(self.oldinfo['unknown_clients']+' unknown clients')
>-			if self.info.has_key('unknown_clients') and self.info['unknown_clients']:
>-				new.append(self.info['unknown_clients']+' unknown clients')
>-
>-			if self.oldinfo.has_key('dynamic_bootp_clients') and self.oldinfo['dynamic_bootp_clients']:
>-				new.remove(self.oldinfo['dynamic_bootp_clients']+' dynamic bootp clients')
>-			if self.info.has_key('dynamic_bootp_clients') and self.info['dynamic_bootp_clients']:
>-				new.append(self.info['dynamic_bootp_clients']+' dynamic bootp clients')
>-			
>-			if self.oldinfo.has_key('all_clients') and self.oldinfo['all_clients']:
>-				new.remove(self.oldinfo['all_clients']+' all clients')
>-			if self.info.has_key('all_clients') and self.info['all_clients']:
>-				new.append(self.info['all_clients']+' all clients')
>-				
>+		ml = super(object, self)._ldap_modlist()
>+		if self.hasChanged(self.permits_udm2dhcp.keys()):
>+			old = self.oldattr.get('dhcpPermitList', [])
>+			new = copy.deepcopy(old)
>+			for prop, value in self.permits_udm2dhcp.items():
>+				try:
>+					permit = self.oldinfo[prop]
>+					new.remove("%s %s" % (permit, value))
>+				except LookupError:
>+					pass
>+				try:
>+					permit = self.info[prop]
>+					new.append("%s %s" % (permit, value))
>+				except LookupError:
>+					pass
> 			ml.append(('dhcpPermitList', old, new))
>+
> 		if self.info.get('failover_peer', None) and not self.info.get('dynamic_bootp_clients', None) == 'deny':
> 			raise univention.admin.uexceptions.bootpXORFailover
>+
> 		return ml
> 
>-def lookup(co, lo, filter_s, base='', superordinate=None, scope='sub', unique=0, required=0, timeout=-1, sizelimit=0):
>+	@staticmethod
>+	def lookup_filter(filter_s=None, lo=None):
>+		filter_obj = univention.admin.filter.conjunction('&', [
>+			univention.admin.filter.expression('objectClass', 'univentionDhcpPool')
>+		])
>+		filter_obj.append_unmapped_filter_string(filter_s, univention.admin.mapping.mapRewrite, mapping)
>+		return filter_obj
> 
>-	filter=univention.admin.filter.conjunction('&', [
>-	univention.admin.filter.expression('objectClass', 'univentionDhcpPool')
>-	])
> 
>-	if filter_s:
>-		filter_p=univention.admin.filter.parse(filter_s)
>-		univention.admin.filter.walk(filter_p, univention.admin.mapping.mapRewrite, arg=mapping)
>-		filter.expressions.append(filter_p)
>+lookup_filter = object.lookup_filter
>+lookup = object.lookup
> 
>-	res=[]
>-	for dn, attrs in lo.search(unicode(filter), base, scope, [], unique, required, timeout, sizelimit):
>-		res.append((object(co, lo, None, dn=dn, superordinate=superordinate, attributes = attrs )))
>-	return res
> 
> def identify(dn, attr):
> 	return 'univentionDhcpPool' in attr.get('objectClass', [])
>diff --git a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/server.py b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/server.py
>index 98e43c0..55b6d78 100644
>--- a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/server.py
>+++ b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/server.py
>@@ -35,71 +35,73 @@ import univention.admin.filter
> import univention.admin.handlers
> import univention.admin.localization
> 
>-translation=univention.admin.localization.translation('univention.admin.handlers.dhcp')
>-_=translation.translate
>-
>-module='dhcp/server'
>-operations=['add','edit','remove','search']
>-superordinate='dhcp/service'
>-childs=0
>-usewizard=1
>-short_description=_('DHCP: Server')
>-long_description=''
>-options={
>+translation = univention.admin.localization.translation('univention.admin.handlers.dhcp')
>+_ = translation.translate
>+
>+module = 'dhcp/server'
>+operations = ['add', 'edit', 'remove', 'search']
>+superordinate = 'dhcp/service'
>+childs = 0
>+usewizard = 1
>+short_description = _('DHCP: Server')
>+long_description = ''
>+
>+options = {
> }
> 
>-property_descriptions={
>+property_descriptions = {
> 	'server': univention.admin.property(
>-			short_description=_('Server name'),
>-			long_description='',
>-			syntax=univention.admin.syntax.string,
>-			multivalue=0,
>-			include_in_default_search=1,
>-			options=[],
>-			required=1,
>-			may_change=1,
>-			identifies=1
>-		),
>+		short_description=_('Server name'),
>+		long_description='',
>+		syntax=univention.admin.syntax.string,
>+		multivalue=False,
>+		include_in_default_search=True,
>+		options=[],
>+		required=True,
>+		may_change=True,
>+		identifies=True
>+	),
> }
> 
> layout = [
>-	Tab( _( 'General' ), _('General settings'), layout = [
>-		Group( _( 'General' ), layout = [
>+	Tab(_('General'), _('General settings'), layout=[
>+		Group(_('General'), layout=[
> 			'server'
>-		] ),
>-	] )
>+		]),
>+	])
> ]
> 
>-mapping=univention.admin.mapping.mapping()
>+mapping = univention.admin.mapping.mapping()
> mapping.register('server', 'cn', None, univention.admin.mapping.ListToString)
> 
> from .__common import add_dhcp_options
>+add_dhcp_options(__name__)
> 
>-add_dhcp_options( property_descriptions, mapping, layout )
> 
> class object(univention.admin.handlers.simpleLdap):
>-	module=module
>-
>-	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
>-		global mapping
>-		global property_descriptions
>+	module = module
> 
>-		self.superordinate=superordinate
>-		self.mapping=mapping
>-		self.descriptions=property_descriptions
>+	def __init__(self, co, lo, position, dn='', superordinate=None, attributes=[]):
>+		self.superordinate = superordinate
>+		self.mapping = mapping
>+		self.descriptions = property_descriptions
> 
> 		if not superordinate:
> 			raise univention.admin.uexceptions.insufficientInformation, 'superordinate object not present'
> 		if not dn and not position:
> 			raise univention.admin.uexceptions.insufficientInformation, 'neither dn nor position present'
> 
>-		univention.admin.handlers.simpleLdap.__init__(self, co, lo, position, dn, superordinate, attributes = attributes )
>+		super(object, self).__init__(co, lo, position, dn, superordinate, attributes=attributes)
> 
> 	def _ldap_pre_create(self):
>-		self.dn='%s=%s,%s' % (mapping.mapName('server'), mapping.mapValue('server', self.info['server']), self.position.getDn())
>+		self.dn = '%s=%s,%s' % (
>+			mapping.mapName('server'),
>+			mapping.mapValue('server', self.info['server']),
>+			self.position.getDn()
>+		)
> 
> 	def _ldap_addlist(self):
>-		searchBase=self.position.getDomain()
>+		searchBase = self.position.getDomain()
> 		if self.lo.searchDn(base=searchBase, filter='(&(objectClass=dhcpServer)(cn=%s))' % (self.info['server'])):
> 			raise univention.admin.uexceptions.dhcpServerAlreadyUsed, self.info['server']
> 
>@@ -107,33 +109,36 @@ class object(univention.admin.handlers.simpleLdap):
> 			('objectClass', ['top', 'dhcpServer']),
> 			('dhcpServiceDN', self.superordinate.dn),
> 		]
>+
> 	def _ldap_post_move(self, olddn):
> 		'''edit dhcpServiceDN'''
>-		oldServiceDN=self.lo.getAttr(self.dn, 'dhcpServiceDN')
>-		module=univention.admin.modules.identifyOne(self.position.getDn(), self.lo.get(self.position.getDn()))
>-		object=univention.admin.objects.get(module, None, self.lo, self.position, dn=self.position.getDn())
>-		shadow_module, shadow_object=univention.admin.objects.shadow(self.lo, module, object, self.position)
>+		oldServiceDN = self.lo.getAttr(self.dn, 'dhcpServiceDN')
>+		module = univention.admin.modules.identifyOne(self.position.getDn(), self.lo.get(self.position.getDn()))
>+		object = univention.admin.objects.get(module, None, self.lo, self.position, dn=self.position.getDn())
>+		shadow_module, shadow_object = univention.admin.objects.shadow(self.lo, module, object, self.position)
> 		self.lo.modify(self.dn, [('dhcpServiceDN', oldServiceDN[0], shadow_object.dn)])
> 
>-def lookup(co, lo, filter_s, base='', superordinate=None, scope='sub', unique=0, required=0, timeout=-1, sizelimit=0):
> 
>-	filter=univention.admin.filter.conjunction('&', [
>-	univention.admin.filter.expression('objectClass', 'dhcpServer')
>+def lookup_filter(filter_s=None, lo=None):
>+	filter_obj = univention.admin.filter.conjunction('&', [
>+		univention.admin.filter.expression('objectClass', 'dhcpServer')
> 	])
>+	filter_obj.append_unmapped_filter_string(filter_s, univention.admin.mapping.mapRewrite, mapping)
>+	return filter_obj
> 
>-	if superordinate:
>-		filter.expressions.append(univention.admin.filter.expression('dhcpServiceDN', superordinate.dn))
> 
>-	if filter_s:
>-		filter_p=univention.admin.filter.parse(filter_s)
>-		univention.admin.filter.walk(filter_p, univention.admin.mapping.mapRewrite, arg=mapping)
>-		filter.expressions.append(filter_p)
>+def lookup(co, lo, filter_s, base='', superordinate=None, scope='sub', unique=0, required=0, timeout=-1, sizelimit=0):
>+	filter_obj = lookup_filter(filter_s)
>+	if superordinate:
>+		filter_obj.expressions.append(univention.admin.filter.expression('dhcpServiceDN', superordinate.dn))
>+	filter_str = unicode(filter_obj)
> 
>-	res=[]
>-	for dn, attrs in lo.search(unicode(filter), base, scope, [], unique, required, timeout, sizelimit):
>-		res.append((object(co, lo, None, dn=dn, superordinate=superordinate, attributes = attrs )))
>+	res = [
>+		object(co, lo, None, dn=dn, superordinate=superordinate, attributes=attrs)
>+		for dn, attrs in lo.search(filter_str, base, scope, [], unique, required, timeout, sizelimit)
>+	]
> 	return res
> 
>-def identify(dn, attr):
> 
>+def identify(dn, attr):
> 	return 'dhcpServer' in attr.get('objectClass', [])
>diff --git a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/service.py b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/service.py
>index 4d0d026..19c0061 100644
>--- a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/service.py
>+++ b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/service.py
>@@ -35,93 +35,88 @@ import univention.admin.filter
> import univention.admin.handlers
> import univention.admin.localization
> 
>-translation=univention.admin.localization.translation('univention.admin.handlers.dhcp')
>-_=translation.translate
>-
>-module='dhcp/service'
>-operations=['add','edit','remove','search']
>-childs=1
>-usewizard=1
>-short_description=_('DHCP: Service')
>-long_description=''
>-options={
>+translation = univention.admin.localization.translation('univention.admin.handlers.dhcp')
>+_ = translation.translate
>+
>+module = 'dhcp/service'
>+operations = ['add', 'edit', 'remove', 'search']
>+childs = 1
>+usewizard = 1
>+short_description = _('DHCP: Service')
>+long_description = ''
>+
>+options = {
> }
>-property_descriptions={
>+
>+property_descriptions = {
> 	'service': univention.admin.property(
>-			short_description=_('Service name'),
>-			long_description='',
>-			syntax=univention.admin.syntax.string,
>-			multivalue=0,
>-			include_in_default_search=1,
>-			options=[],
>-			required=1,
>-			may_change=0,
>-			identifies=1
>-		),
>+		short_description=_('Service name'),
>+		long_description='',
>+		syntax=univention.admin.syntax.string,
>+		multivalue=False,
>+		include_in_default_search=True,
>+		options=[],
>+		required=True,
>+		may_change=False,
>+		identifies=True
>+	),
> }
> 
> layout = [
>-	Tab( _( 'General' ), _( 'Basic settings' ), layout = [
>-		Group( _( 'General' ), layout = [
>+	Tab(_('General'), _('Basic settings'), layout=[
>+		Group(_('General'), layout=[
> 			'service',
>-		] ),
>-	] ),
>+		]),
>+	]),
> ]
> 
>-mapping=univention.admin.mapping.mapping()
>+mapping = univention.admin.mapping.mapping()
> mapping.register('service', 'cn', None, univention.admin.mapping.ListToString)
> 
>-from .__common import add_dhcp_options, add_dhcp_objectclass
>-
>-add_dhcp_options( property_descriptions, mapping, layout )
>+from .__common import add_dhcp_options, DhcpOptions
>+add_dhcp_options(__name__)
> 
>-class object(univention.admin.handlers.simpleLdap):
>-	module=module
> 
>-	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
>-		global mapping
>-		global property_descriptions
>+class object(DhcpOptions):
>+	module = module
> 
>-		self.mapping=mapping
>-		self.descriptions=property_descriptions
>+	def __init__(self, co, lo, position, dn='', superordinate=None, attributes=[]):
>+		self.mapping = mapping
>+		self.descriptions = property_descriptions
> 
> 		if not dn and not position:
> 			raise univention.admin.uexceptions.insufficientInformation, 'neither dn nor position present'
> 
>-		univention.admin.handlers.simpleLdap.__init__(self, co, lo, position, dn, superordinate, attributes = attributes )
>+		super(object, self).__init__(co, lo, position, dn, superordinate, attributes=attributes)
>+		self.setup_options(options)
> 
> 	def _ldap_pre_create(self):
>-		self.dn='%s=%s,%s' % (mapping.mapName('service'), mapping.mapValue('service', self.info['service']), self.position.getDn())
>+		self.dn = '%s=%s,%s' % (
>+			mapping.mapName('service'),
>+			mapping.mapValue('service', self.info['service']),
>+			self.position.getDn()
>+		)
> 
> 	def _ldap_addlist(self):
> 		return [
>-			('objectClass', [ 'top', 'univentionDhcpService', 'dhcpOptions' ] ),
>+			('objectClass', ['top', 'univentionDhcpService']),
> 		]
> 
>-	def _ldap_modlist(self):
>-		ml = univention.admin.handlers.simpleLdap._ldap_modlist( self )
>-
>-		return add_dhcp_objectclass( self, ml )
>-
>-def lookup(co, lo, filter_s, base='', superordinate=None, scope='sub', unique=0, required=0, timeout=-1, sizelimit=0):
>-
>-	filter=univention.admin.filter.conjunction('&', [
>-		univention.admin.filter.conjunction('|', [
>-			univention.admin.filter.expression('objectClass', 'dhcpService'),
>-			univention.admin.filter.expression('objectClass', 'univentionDhcpService')
>+	@staticmethod
>+	def lookup_filter(filter_s=None, lo=None):
>+		filter_obj = univention.admin.filter.conjunction('&', [
>+			univention.admin.filter.conjunction('|', [
>+				univention.admin.filter.expression('objectClass', 'dhcpService'),
>+				univention.admin.filter.expression('objectClass', 'univentionDhcpService')
>+			])
> 		])
>-	])
>+		filter_obj.append_unmapped_filter_string(filter_s, univention.admin.mapping.mapRewrite, mapping)
>+		return filter_obj
>+
> 
>-	if filter_s:
>-		filter_p=univention.admin.filter.parse(filter_s)
>-		univention.admin.filter.walk(filter_p, univention.admin.mapping.mapRewrite, arg=mapping)
>-		filter.expressions.append(filter_p)
>+lookup_filter = object.lookup_filter
>+lookup = object.lookup
> 
>-	res=[]
>-	for dn, attrs in lo.search(unicode(filter), base, scope, [], unique, required, timeout, sizelimit):
>-		res.append((object(co, lo, None, dn=dn, superordinate=superordinate, attributes = attrs )))
>-	return res
> 
> def identify(dn, attr):
>-	return 'dhcpService' in attr.get('objectClass', []) \
>-		or 'univentionDhcpService' in attr.get('objectClass', [])
>+	return bool(set(('dhcpService', 'univentionDhcpService')) & set(attr.get('objectClass', [])))
>diff --git a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/shared.py b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/shared.py
>index d1a068e..5018118 100644
>--- a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/shared.py
>+++ b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/shared.py
>@@ -36,91 +36,88 @@ import univention.admin.handlers
> import univention.admin.ipaddress
> import univention.admin.localization
> 
>-translation=univention.admin.localization.translation('univention.admin.handlers.dhcp')
>-_=translation.translate
>-
>-module='dhcp/shared'
>-operations=['add','edit','remove','search']
>-superordinate='dhcp/service'
>-childs=1
>-short_description=_('DHCP: Shared network')
>-long_description=''
>-options={
>+translation = univention.admin.localization.translation('univention.admin.handlers.dhcp')
>+_ = translation.translate
>+
>+module = 'dhcp/shared'
>+operations = ['add', 'edit', 'remove', 'search']
>+superordinate = 'dhcp/service'
>+childs = 1
>+short_description = _('DHCP: Shared network')
>+long_description = ''
>+
>+options = {
> }
>-property_descriptions={
>+
>+property_descriptions = {
> 	'name': univention.admin.property(
>-			short_description=_('Shared network name'),
>-			long_description='',
>-			syntax=univention.admin.syntax.uid,
>-			multivalue=0,
>-			include_in_default_search=1,
>-			options=[],
>-			required=1,
>-			may_change=0,
>-			identifies=1
>-		)
>-}
>-options={
>+		short_description=_('Shared network name'),
>+		long_description='',
>+		syntax=univention.admin.syntax.uid,
>+		multivalue=False,
>+		include_in_default_search=True,
>+		options=[],
>+		required=True,
>+		may_change=False,
>+		identifies=True
>+	)
> }
> 
> layout = [
>-	Tab( _( 'General' ), _( 'Basic settings' ), layout = [
>-		Group( _( 'General' ), layout = [
>+	Tab(_('General'), _('Basic settings'), layout=[
>+		Group(_('General'), layout=[
> 			'name'
>-		] ),
>-	] ),
>+		]),
>+	]),
> ]
> 
>-mapping=univention.admin.mapping.mapping()
>+mapping = univention.admin.mapping.mapping()
> mapping.register('name', 'cn', None, univention.admin.mapping.ListToString)
> 
>-class object(univention.admin.handlers.simpleLdap):
>-	module=module
>+from .__common import add_dhcp_options, DhcpOptions
>+add_dhcp_options(__name__)
>+
> 
>-	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
>-		global mapping
>-		global property_descriptions
>+class object(DhcpOptions):
>+	module = module
> 
>-		self.mapping=mapping
>-		self.descriptions=property_descriptions
>+	def __init__(self, co, lo, position, dn='', superordinate=None, attributes=[]):
>+		self.mapping = mapping
>+		self.descriptions = property_descriptions
> 
> 		if not superordinate:
> 			raise univention.admin.uexceptions.insufficientInformation, 'superordinate object not present'
> 		if not dn and not position:
> 			raise univention.admin.uexceptions.insufficientInformation, 'neither dn nor position present'
> 
>-		univention.admin.handlers.simpleLdap.__init__(self, co, lo, position, dn, superordinate, attributes = attributes )
>-
>-	def open(self):
>-		univention.admin.handlers.simpleLdap.open(self)
>-
>-		self.save()
>+		super(object, self).__init__(co, lo, position, dn, superordinate, attributes=attributes)
>+		self.setup_options(options)
> 
> 	def _ldap_pre_create(self):
>-		self.dn='%s=%s,%s' % (mapping.mapName('name'), mapping.mapValue('name', self.info['name']), self.position.getDn())
>+		self.dn = '%s=%s,%s' % (
>+			mapping.mapName('name'),
>+			mapping.mapValue('name', self.info['name']),
>+			self.position.getDn(),
>+		)
> 
> 	def _ldap_addlist(self):
> 		return [
> 			('objectClass', ['top', 'dhcpSharedNetwork'])
> 		]
> 
>-def lookup(co, lo, filter_s, base='', superordinate=None, scope='sub', unique=0, required=0, timeout=-1, sizelimit=0):
> 
>-	filter=univention.admin.filter.conjunction('&', [
>-	univention.admin.filter.expression('objectClass', 'dhcpSharedNetwork')
>-	])
>+	@staticmethod
>+	def lookup_filter(filter_s=None, lo=None):
>+		filter_obj = univention.admin.filter.conjunction('&', [
>+			univention.admin.filter.expression('objectClass', 'dhcpSharedNetwork')
>+		])
>+		filter_obj.append_unmapped_filter_string(filter_s, univention.admin.mapping.mapRewrite, mapping)
>+		return filter_obj
> 
>-	if filter_s:
>-		filter_p=univention.admin.filter.parse(filter_s)
>-		univention.admin.filter.walk(filter_p, univention.admin.mapping.mapRewrite, arg=mapping)
>-		filter.expressions.append(filter_p)
> 
>-	res=[]
>-	for dn, attrs in lo.search(unicode(filter), base, scope, [], unique, required, timeout, sizelimit):
>-		res.append((object(co, lo, None, dn=dn, superordinate=superordinate, attributes = attrs )))
>-	return res
>+lookup_filter = object.lookup_filter
>+lookup = object.lookup
>+
> 
> def identify(dn, attr):
>-	
> 	return 'dhcpSharedNetwork' in attr.get('objectClass', [])
>-
>diff --git a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/sharedsubnet.py b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/sharedsubnet.py
>index 9fa93da..b8598f9 100644
>--- a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/sharedsubnet.py
>+++ b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/sharedsubnet.py
>@@ -30,145 +30,132 @@
> # /usr/share/common-licenses/AGPL-3; if not, see
> # <http://www.gnu.org/licenses/>.
> 
>-import string
>-
> from univention.admin.layout import Tab, Group
> import univention.admin.filter
> import univention.admin.handlers
> import univention.admin.ipaddress
> import univention.admin.localization
> 
>-translation=univention.admin.localization.translation('univention.admin.handlers.dhcp')
>-_=translation.translate
>+translation = univention.admin.localization.translation('univention.admin.handlers.dhcp')
>+_ = translation.translate
>+
>+module = 'dhcp/sharedsubnet'
>+operations = ['add', 'edit', 'remove', 'search']
>+superordinate = 'dhcp/shared'
>+childs = 1
>+short_description = _('DHCP: Shared subnet')
>+long_description = ''
> 
>-module='dhcp/sharedsubnet'
>-operations=['add','edit','remove','search']
>-superordinate='dhcp/shared'
>-childs=1
>-short_description=_('DHCP: Shared subnet')
>-long_description=''
>-options={
>+options = {
> }
>-property_descriptions={
>+
>+property_descriptions = {
> 	'subnet': univention.admin.property(
>-			short_description=_('Subnet address'),
>-			long_description='',
>-			syntax=univention.admin.syntax.ipv4Address,
>-			multivalue=0,
>-			include_in_default_search=1,
>-			options=[],
>-			required=1,
>-			may_change=0,
>-			identifies=1
>-		),
>+		short_description=_('Subnet address'),
>+		long_description='',
>+		syntax=univention.admin.syntax.ipv4Address,
>+		multivalue=False,
>+		include_in_default_search=True,
>+		options=[],
>+		required=True,
>+		may_change=False,
>+		identifies=True
>+	),
> 	'subnetmask': univention.admin.property(
>-			short_description=_('Netmask'),
>-			long_description='',
>-			syntax=univention.admin.syntax.v4netmask,
>-			multivalue=0,
>-			options=[],
>-			required=1,
>-			may_change=1,
>-			identifies=0
>-		),
>+		short_description=_('Netmask'),
>+		long_description='',
>+		syntax=univention.admin.syntax.v4netmask,
>+		multivalue=False,
>+		options=[],
>+		required=True,
>+		may_change=True,
>+		identifies=False
>+	),
> 	'broadcastaddress': univention.admin.property(
>-			short_description=_('Broadcast address'),
>-			long_description='',
>-			syntax=univention.admin.syntax.ipv4Address,
>-			multivalue=0,
>-			options=[],
>-			required=0,
>-			may_change=1,
>-			identifies=0
>-		),
>+		short_description=_('Broadcast address'),
>+		long_description='',
>+		syntax=univention.admin.syntax.ipv4Address,
>+		multivalue=False,
>+		options=[],
>+		required=False,
>+		may_change=True,
>+		identifies=False
>+	),
> 	'range': univention.admin.property(
>-			short_description=_('Dynamic address assignment'),
>-			long_description=_( 'Define a pool of addresses available for dynamic address assignment.'),
>-			syntax=univention.admin.syntax.IPv4_AddressRange,
>-			multivalue=1,
>-			options=[],
>-			required=0,
>-			may_change=1,
>-			identifies=0
>-		),
>-}
>-
>-options={
>+		short_description=_('Dynamic address assignment'),
>+		long_description=_('Define a pool of addresses available for dynamic address assignment.'),
>+		syntax=univention.admin.syntax.IPv4_AddressRange,
>+		multivalue=True,
>+		options=[],
>+		required=False,
>+		may_change=True,
>+		identifies=False
>+	),
> }
> 
> layout = [
>-	Tab(_('General'), _('Basic settings'), layout = [
>-		Group( _( 'General' ), layout = [
>-			[ 'subnet', 'subnetmask' ],
>+	Tab(_('General'), _('Basic settings'), layout=[
>+		Group(_('General'), layout=[
>+			['subnet', 'subnetmask'],
> 			'broadcastaddress',
> 			'range'
>-		] ),
>-	] ),
>+		]),
>+	]),
> ]
> 
>-def rangeMap( value ):
>-	return map( lambda x: ' '.join( x ), value ) or None
> 
>-def rangeUnmap( value ):
>-	return map( lambda x: x.split( ' ' ), value )
>+from .__common import rangeMap, rangeUnmap, add_dhcp_options, DhcpOptions
> 
>-mapping=univention.admin.mapping.mapping()
>+mapping = univention.admin.mapping.mapping()
> mapping.register('subnet', 'cn', None, univention.admin.mapping.ListToString)
> mapping.register('range', 'dhcpRange', rangeMap, rangeUnmap)
> mapping.register('subnetmask', 'dhcpNetMask', None, univention.admin.mapping.ListToString)
> mapping.register('broadcastaddress', 'univentionDhcpBroadcastAddress', None, univention.admin.mapping.ListToString)
> 
>-from .__common import add_dhcp_options, add_dhcp_objectclass
>-
>-add_dhcp_options( property_descriptions, mapping, layout )
>+add_dhcp_options(__name__)
> 
>-class object(univention.admin.handlers.simpleLdap):
>-	module=module
> 
>-	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
>-		global mapping
>-		global property_descriptions
>+class object(DhcpOptions):
>+	module = module
> 
>-		self.superordinate=superordinate
>-		self.mapping=mapping
>-		self.descriptions=property_descriptions
>+	def __init__(self, co, lo, position, dn='', superordinate=None, attributes=[]):
>+		self.superordinate = superordinate
>+		self.mapping = mapping
>+		self.descriptions = property_descriptions
> 
> 		if not superordinate:
> 			raise univention.admin.uexceptions.insufficientInformation, 'superordinate object not present'
> 		if not dn and not position:
> 			raise univention.admin.uexceptions.insufficientInformation, 'neither dn nor position present'
> 
>-		univention.admin.handlers.simpleLdap.__init__(self, co, lo, position, dn, superordinate, attributes = attributes )
>+		super(object, self).__init__(co, lo, position, dn, superordinate, attributes=attributes)
>+		self.setup_options(options)
> 
> 	def _ldap_pre_create(self):
>-		self.dn='%s=%s,%s' % (mapping.mapName('subnet'), mapping.mapValue('subnet', self.info['subnet']), self.position.getDn())
>+		self.dn = '%s=%s,%s' % (
>+			mapping.mapName('subnet'),
>+			mapping.mapValue('subnet', self.info['subnet']),
>+			self.position.getDn()
>+		)
> 
> 	def _ldap_addlist(self):
> 		return [
>-			('objectClass', ['top', 'univentionDhcpSubnet', 'univentionDhcpSharedSubnet', 'dhcpOptions' ]),
>+			('objectClass', ['top', 'univentionDhcpSubnet', 'univentionDhcpSharedSubnet']),
> 		]
> 
>-	def _ldap_modlist(self):
>-		ml = univention.admin.handlers.simpleLdap._ldap_modlist( self )
>-
>-		return add_dhcp_objectclass( self, ml )
>-
>-def lookup(co, lo, filter_s, base='', superordinate=None, scope='sub', unique=0, required=0, timeout=-1, sizelimit=0):
>+	@staticmethod
>+	def lookup_filter(filter_s=None, lo=None):
>+		filter_obj = univention.admin.filter.conjunction('&', [
>+			univention.admin.filter.expression('objectClass', 'univentionDhcpSubnet'),
>+			univention.admin.filter.expression('objectClass', 'univentionDhcpSharedSubnet')
>+		])
>+		filter_obj.append_unmapped_filter_string(filter_s, univention.admin.mapping.mapRewrite, mapping)
>+		return filter_obj
> 
>-	filter=univention.admin.filter.conjunction('&', [
>-	univention.admin.filter.expression('objectClass', 'univentionDhcpSubnet'),
>-	univention.admin.filter.expression('objectClass', 'univentionDhcpSharedSubnet')
>-	])
> 
>-	if filter_s:
>-		filter_p=univention.admin.filter.parse(filter_s)
>-		univention.admin.filter.walk(filter_p, univention.admin.mapping.mapRewrite, arg=mapping)
>-		filter.expressions.append(filter_p)
>+lookup_filter = object.lookup_filter
>+lookup = object.lookup
> 
>-	res=[]
>-	for dn, attrs in lo.search(unicode(filter), base, scope, [], unique, required, timeout, sizelimit):
>-		res.append((object(co, lo, None, dn=dn, superordinate=superordinate, attributes = attrs )))
>-	return res
> 
> def identify(dn, attr):
>-	return 'univentionDhcpSubnet' in attr.get('objectClass', []) and 'univentionDhcpSharedSubnet' in attr.get('objectClass', [])
>+	return set(('univentionDhcpSubnet', 'univentionDhcpSharedSubnet')) <= set(attr.get('objectClass', []))
>diff --git a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/subnet.py b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/subnet.py
>index 687392e..8a5ca6b 100644
>--- a/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/subnet.py
>+++ b/branches/ucs-3.2/ucs-3.2-0/management/univention-directory-manager-modules/modules/univention/admin/handlers/dhcp/subnet.py
>@@ -30,146 +30,136 @@
> # /usr/share/common-licenses/AGPL-3; if not, see
> # <http://www.gnu.org/licenses/>.
> 
>-import string
>-
> from univention.admin.layout import Tab, Group
> import univention.admin.filter
> import univention.admin.handlers
> import univention.admin.ipaddress
> import univention.admin.localization
> 
>-translation=univention.admin.localization.translation('univention.admin.handlers.dhcp')
>-_=translation.translate
>-
>-module='dhcp/subnet'
>-operations=['add','edit','remove','search']
>-superordinate='dhcp/service'
>-childs=1
>-usewizard=1
>-short_description=_('DHCP: Subnet')
>-long_description=''
>-options={
>+translation = univention.admin.localization.translation('univention.admin.handlers.dhcp')
>+_ = translation.translate
>+
>+module = 'dhcp/subnet'
>+operations = ['add', 'edit', 'remove', 'search']
>+superordinate = 'dhcp/service'
>+childs = 1
>+usewizard = 1
>+short_description = _('DHCP: Subnet')
>+long_description = ''
>+
>+options = {
> }
>-property_descriptions={
>+
>+property_descriptions = {
> 	'subnet': univention.admin.property(
>-			short_description=_('Subnet address'),
>-			long_description='',
>-			syntax=univention.admin.syntax.ipv4Address,
>-			multivalue=0,
>-			include_in_default_search=1,
>-			options=[],
>-			required=1,
>-			may_change=0,
>-			identifies=1
>-		),
>+		short_description=_('Subnet address'),
>+		long_description='',
>+		syntax=univention.admin.syntax.ipv4Address,
>+		multivalue=False,
>+		include_in_default_search=True,
>+		options=[],
>+		required=True,
>+		may_change=False,
>+		identifies=True
>+	),
> 	'subnetmask': univention.admin.property(
>-			short_description=_('Netmask'),
>-			long_description='',
>-			syntax=univention.admin.syntax.v4netmask,
>-			multivalue=0,
>-			options=[],
>-			required=1,
>-			may_change=1,
>-			identifies=0
>-		),
>+		short_description=_('Netmask'),
>+		long_description='',
>+		syntax=univention.admin.syntax.v4netmask,
>+		multivalue=False,
>+		options=[],
>+		required=True,
>+		may_change=True,
>+		identifies=False
>+	),
> 	'broadcastaddress': univention.admin.property(
>-			short_description=_('Broadcast address'),
>-			long_description='',
>-			syntax=univention.admin.syntax.ipv4Address,
>-			multivalue=0,
>-			options=[],
>-			required=0,
>-			may_change=1,
>-			identifies=0
>-		),
>+		short_description=_('Broadcast address'),
>+		long_description='',
>+		syntax=univention.admin.syntax.ipv4Address,
>+		multivalue=False,
>+		options=[],
>+		required=False,
>+		may_change=True,
>+		identifies=False
>+	),
> 	'range': univention.admin.property(
>-			short_description=_('Dynamic address assignment'),
>-			long_description=_( 'Define a pool of addresses available for dynamic address assignment.' ),
>-			syntax=univention.admin.syntax.IPv4_AddressRange,
>-			multivalue=1,
>-			options=[],
>-			required=0,
>-			may_change=1,
>-			identifies=0
>-		),
>-}
>-
>-options={
>+		short_description=_('Dynamic address assignment'),
>+		long_description=_('Define a pool of addresses available for dynamic address assignment.'),
>+		syntax=univention.admin.syntax.IPv4_AddressRange,
>+		multivalue=True,
>+		options=[],
>+		required=False,
>+		may_change=True,
>+		identifies=False
>+	),
> }
> 
> layout = [
>-	Tab( _( 'General' ), _('Basic settings'), layout = [
>-		Group( _( 'General' ), layout = [
>-			[ 'subnet', 'subnetmask' ],
>+	Tab(_('General'), _('Basic settings'), layout=[
>+		Group(_('General'), layout=[
>+			['subnet', 'subnetmask'],
> 			'broadcastaddress',
> 			'range'
>-		] ),
>-	] ),
>+		]),
>+	]),
> ]
> 
>-def rangeMap( value ):
>-	return map( lambda x: ' '.join( x ), value )
>+from .__common import rangeUnmap, add_dhcp_options, DhcpOptions
> 
>-def rangeUnmap( value ):
>-	return map( lambda x: x.split(), value )
>-
>-mapping=univention.admin.mapping.mapping()
>+mapping = univention.admin.mapping.mapping()
> mapping.register('subnet', 'cn', None, univention.admin.mapping.ListToString)
> mapping.register('subnetmask', 'dhcpNetMask', None, univention.admin.mapping.ListToString)
> mapping.register('broadcastaddress', 'univentionDhcpBroadcastAddress', None, univention.admin.mapping.ListToString)
> 
>-from .__common import add_dhcp_options, add_dhcp_objectclass
>-
>-add_dhcp_options( property_descriptions, mapping, layout )
>+add_dhcp_options(__name__)
> 
>-class object(univention.admin.handlers.simpleLdap):
>-	module=module
> 
>-	def __init__(self, co, lo, position, dn='', superordinate=None, attributes = [] ):
>-		global mapping
>-		global property_descriptions
>+class object(DhcpOptions):
>+	module = module
> 
>-		self.superordinate=superordinate
>-		self.mapping=mapping
>-		self.descriptions=property_descriptions
>+	def __init__(self, co, lo, position, dn='', superordinate=None, attributes=[]):
>+		self.superordinate = superordinate
>+		self.mapping = mapping
>+		self.descriptions = property_descriptions
> 
> 		if not superordinate:
> 			raise univention.admin.uexceptions.insufficientInformation, 'superordinate object not present'
> 		if not dn and not position:
> 			raise univention.admin.uexceptions.insufficientInformation, 'neither dn nor position present'
> 
>-		univention.admin.handlers.simpleLdap.__init__(self, co, lo, position, dn, superordinate, attributes = attributes )
>-
>+		super(object, self).__init__(co, lo, position, dn, superordinate, attributes=attributes)
>+		self.setup_options(options)
> 
> 	def open(self):
>-		univention.admin.handlers.simpleLdap.open(self)
>-		self.info['range'] = rangeUnmap( self.oldattr.get('dhcpRange', []) )
>-		self.oldinfo['range'] = rangeUnmap( self.oldattr.get('dhcpRange', []) )
>-
>+		super(object, self).open()
>+		self.info['range'] = self.oldinfo['range'] = rangeUnmap(self.oldattr.get('dhcpRange', []))
> 
> 	def _ldap_pre_create(self):
>-		self.dn='%s=%s,%s' % (mapping.mapName('subnet'), mapping.mapValue('subnet', self.info['subnet']), self.position.getDn())
>+		self.dn = '%s=%s,%s' % (
>+			mapping.mapName('subnet'),
>+			mapping.mapValue('subnet', self.info['subnet']),
>+			self.position.getDn()
>+		)
> 
> 	def _ldap_addlist(self):
> 		return [
>-			( 'objectClass', [ 'top', 'univentionDhcpSubnet' ] ),
>+			('objectClass', ['top', 'univentionDhcpSubnet']),
> 		]
> 
> 	def _ldap_modlist(self):
>-
>-		ml=univention.admin.handlers.simpleLdap._ldap_modlist(self)
>+		ml = super(object, self)._ldap_modlist()
> 
> 		if self.hasChanged('range'):
>-			dhcpRange=[]
>+			dhcpRange = []
> 			for i in self['range']:
> 				for j in self['range']:
> 					if i != j and univention.admin.ipaddress.is_range_overlapping(i, j):
> 						raise univention.admin.uexceptions.rangesOverlapping, '%s-%s; %s-%s' % (i[0], i[1], j[0], j[1])
> 
>-				ip_in_network=1
>+				ip_in_network = True
> 				for j in i:
> 					if not univention.admin.ipaddress.ip_is_in_network(self['subnet'], self['subnetmask'], j):
>-						ip_in_network=0
>+						ip_in_network = False
> 
> 					if univention.admin.ipaddress.ip_is_network_address(self['subnet'], self['subnetmask'], j):
> 						raise univention.admin.uexceptions.rangeInNetworkAddress, '%s-%s' % (i[0], i[1])
>@@ -178,32 +168,30 @@ class object(univention.admin.handlers.simpleLdap):
> 						raise univention.admin.uexceptions.rangeInBroadcastAddress, '%s-%s' % (i[0], i[1])
> 
> 				if ip_in_network:
>-					dhcpRange.append(string.join(i, ' '))
>+					dhcpRange.append(' '.join(i))
> 				else:
> 					raise univention.admin.uexceptions.rangeNotInNetwork, '%s-%s' % (i[0], i[1])
> 			#univention.debug.debug(univention.debug.ADMIN, univention.debug.ERROR, 'old Range: %s' % self.oldinfo['range'])
> 			if '' in dhcpRange:
> 				dhcpRange.remove('')
> 			ml.append(('dhcpRange', self.oldattr.get('dhcpRange', []), dhcpRange))
>-		return add_dhcp_objectclass( self, ml )
> 
>-def lookup(co, lo, filter_s, base='', superordinate=None, scope='sub', unique=0, required=0, timeout=-1, sizelimit=0):
>+		return ml
>+
>+	@staticmethod
>+	def lookup_filter(filter_s=None, lo=None):
>+		filter_obj = univention.admin.filter.conjunction('&', [
>+			univention.admin.filter.expression('objectClass', 'univentionDhcpSubnet'),
>+			univention.admin.filter.conjunction('!', [univention.admin.filter.expression('objectClass', 'univentionDhcpSharedSubnet')])
>+		])
>+		filter_obj.append_unmapped_filter_string(filter_s, univention.admin.mapping.mapRewrite, mapping)
>+		return filter_obj
> 
>-	filter=univention.admin.filter.conjunction('&', [
>-	univention.admin.filter.expression('objectClass', 'univentionDhcpSubnet'),
>-	univention.admin.filter.conjunction('!', [univention.admin.filter.expression('objectClass', 'univentionDhcpSharedSubnet')])
>-	])
> 
>-	if filter_s:
>-		filter_p=univention.admin.filter.parse(filter_s)
>-		univention.admin.filter.walk(filter_p, univention.admin.mapping.mapRewrite, arg=mapping)
>-		filter.expressions.append(filter_p)
>+lookup_filter = object.lookup_filter
>+lookup = object.lookup
> 
>-	res=[]
>-	for dn, attrs in lo.search(unicode(filter), base, scope, [], unique, required, timeout, sizelimit):
>-		res.append((object(co, lo, None, dn=dn, superordinate=superordinate, attributes = attrs )))
>-	return res
> 
> def identify(dn, attr):
>-	
>-	return 'univentionDhcpSubnet' in attr.get('objectClass', []) and not 'univentionDhcpSharedSubnet' in attr.get('objectClass', [])
>+	ocs = set(attr.get('objectClass', []))
>+	return 'univentionDhcpSubnet' in ocs and not 'univentionDhcpSharedSubnet' in ocs

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Attachments on bug 33223: 5596 | 5666