# SPDX-FileCopyrightText: 2004-2025 Univention GmbH
# SPDX-License-Identifier: AGPL-3.0-only
"""|UDM| module for |DHCP| servers"""
from __future__ import annotations
from typing import Any
from ldap.filter import filter_format
import univention.admin.filter
import univention.admin.handlers
import univention.admin.localization
from univention.admin.layout import Group, Tab
from .__common import DHCPBase
translation = univention.admin.localization.translation('univention.admin.handlers.dhcp')
_ = translation.translate
module = 'dhcp/server'
operations = ['add', 'edit', 'remove', 'search']
superordinate = 'dhcp/service'
childs = False
short_description = _('DHCP: Server')
object_name = _('DHCP server')
object_name_plural = _('DHCP servers')
long_description = _('Associate a service with a server.')
# fmt: off
options = {
'default': univention.admin.option(
short_description=short_description,
default=True,
objectClasses=['top', 'dhcpServer'],
),
}
property_descriptions = {
'server': univention.admin.property(
short_description=_('Server name'),
long_description=_('The name of the server, which should handle this DHCP service.'),
syntax=univention.admin.syntax.string,
include_in_default_search=True,
required=True,
identifies=True,
),
}
layout = [
Tab(_('General'), _('General settings'), layout=[
Group(_('DHCP server description'), layout=[
'server',
]),
]),
]
mapping = univention.admin.mapping.mapping()
mapping.register('server', 'cn', None, univention.admin.mapping.ListToString)
# fmt: on
[docs]
class object(DHCPBase):
module = module
def _ldap_addlist(self) -> list[tuple[str, Any]]:
searchBase = self.position.getDomain()
if self.lo.authz_connection.searchDn(base=searchBase, filter=filter_format('(&(objectClass=dhcpServer)(cn=%s))', [self.info['server']])):
raise univention.admin.uexceptions.dhcpServerAlreadyUsed(self.info['server'])
al = super()._ldap_addlist()
return [*al, ('dhcpServiceDN', self.superordinate.dn.encode('UTF-8'))]
def _ldap_post_move(self, olddn: str) -> None:
"""edit dhcpServiceDN"""
super()._ldap_post_move(olddn)
oldServiceDN = self.lo.authz_connection.getAttr(self.dn, 'dhcpServiceDN')
module = univention.admin.modules.identifyOne(self.position.getDn(), self.lo.authz_connection.get(self.position.getDn()))
obj = 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, obj, self.position)
self.lo.authz_connection.modify(self.dn, [('dhcpServiceDN', oldServiceDN[0], shadow_object.dn.encode('UTF-8'))])
[docs]
@classmethod
def lookup_filter_superordinate(cls, filter: univention.admin.filter.conjunction, superordinate: univention.admin.handlers.simpleLdap) -> univention.admin.filter.conjunction:
filter.expressions.append(univention.admin.filter.expression('dhcpServiceDN', superordinate.dn, escape=True))
return filter
lookup = object.lookup
lookup_filter = object.lookup_filter
identify = object.identify
