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# Authors:
# Jason Gerard DeRose <jderose@redhat.com>
# Rob Crittenden <rcritten@redhat.com>
#
# Copyright (C) 2008 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; version 2 only
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
Frontend plugins for service (Identity).
"""
from ipalib import api, crud, errors
from ipalib import Object # Plugin base classes
from ipalib import Str, Flag # Parameter types
default_attributes = ['krbprincipalname']
class service(Object):
"""
Service object.
"""
takes_params = (
Str('principal', primary_key=True),
)
api.register(service)
class service_add(crud.Add):
"""
Add a new service.
"""
takes_options = (
Flag('force',
doc='Force a service principal name',
),
)
def execute(self, principal, **kw):
"""
Execute the service-add operation.
The dn should not be passed as a keyword argument as it is constructed
by this method.
Returns the entry as it will be created in LDAP.
:param principal: The service to be added in the form: service/hostname
:param kw: Keyword arguments for the other LDAP attributes.
"""
assert 'krbprincipalname' not in kw
ldap = self.api.Backend.ldap
force = kw.get('force', False)
try:
del kw['force']
except:
pass
# Break down the principal into its component parts, which may or
# may not include the realm.
sp = principal.split('/')
if len(sp) != 2:
raise errors.MalformedServicePrincipal
service = sp[0]
if service.lower() == "host":
raise errors.HostService
sr = sp[1].split('@')
if len(sr) == 1:
hostname = sr[0].lower()
realm = self.api.env.realm
elif len(sr) == 2:
hostname = sr[0].lower()
realm = sr[1]
else:
raise errors.MalformedServicePrincipal
"""
FIXME once DNS client is done
if not force:
fqdn = hostname + "."
rs = dnsclient.query(fqdn, dnsclient.DNS_C_IN, dnsclient.DNS_T_A)
if len(rs) == 0:
self.log.debug("IPA: DNS A record lookup failed for '%s'" % hostname)
raise ipaerror.gen_exception(ipaerror.INPUT_NOT_DNS_A_RECORD)
else:
self.log.debug("IPA: found %d records for '%s'" % (len(rs), hostname))
"""
# At some point we'll support multiple realms
if (realm != self.api.env.realm):
raise errors.RealmMismatch
# Put the principal back together again
princ_name = service + "/" + hostname + "@" + realm
dn = ldap.make_service_dn(princ_name)
kw['dn'] = dn
kw['objectclass'] = ['krbPrincipal', 'krbPrincipalAux', 'krbTicketPolicyAux']
return ldap.create(**kw)
def output_to_cli(self, ret):
textui.print_plain("Service added")
api.register(service_add)
class service_del(crud.Del):
'Delete an existing service.'
def execute(self, principal, **kw):
"""
Delete a service principal.
principal is the krbprincipalname of the entry to delete.
This should be called with much care.
:param principal: The service to be added in the form: service/hostname
:param kw: not used
"""
ldap = self.api.Backend.ldap
dn = ldap.find_entry_dn("krbprincipalname", principal)
return ldap.delete(dn)
def output_to_cli(self, ret):
textui.print_plain("Service removed")
api.register(service_del)
# There is no service-mod. The principal itself contains nothing that
# is user-changeable
class service_find(crud.Find):
'Search the existing services.'
takes_options = (
Flag('all', doc='Retrieve all attributes'),
)
def execute(self, principal, **kw):
ldap = self.api.Backend.ldap
search_kw = {}
search_kw['filter'] = "&(objectclass=krbPrincipalAux)(!(objectClass=posixAccount))(!(|(krbprincipalname=kadmin/*)(krbprincipalname=K/M@*)(krbprincipalname=krbtgt/*)))"
search_kw['krbprincipalname'] = principal
object_type = ldap.get_object_type("krbprincipalname")
if object_type and not kw.get('objectclass'):
search_kw['objectclass'] = object_type
if kw.get('all', False):
search_kw['attributes'] = ['*']
else:
search_kw['attributes'] = default_attributes
return ldap.search(**search_kw)
def output_for_cli(self, textui, result, *args, **options):
counter = result[0]
services = result[1:]
if counter == 0:
textui.print_plain("No entries found")
return
for s in services:
textui.print_entry(s)
if counter == -1:
textui.print_plain("These results are truncated.")
textui.print_plain("Please refine your search and try again.")
textui.print_count(services, '%d services matched')
api.register(service_find)
class service_show(crud.Get):
'Examine an existing service.'
takes_options = (
Flag('all', doc='Display all service attributes'),
)
def execute(self, principal, **kw):
"""
Execute the service-show operation.
The dn should not be passed as a keyword argument as it is constructed
by this method.
Returns the entry
:param principal: The service principal to retrieve
:param kw: Not used.
"""
ldap = self.api.Backend.ldap
dn = ldap.find_entry_dn("krbprincipalname", principal)
# FIXME: should kw contain the list of attributes to display?
if kw.get('all', False):
return ldap.retrieve(dn)
else:
value = ldap.retrieve(dn, default_attributes)
del value['dn']
return value
def output_for_cli(self, textui, result, *args, **options):
textui.print_entry(result)
api.register(service_show)
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