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# Authors:
# Ana Krivokapic <akrivoka@redhat.com>
#
# Copyright (C) 2013 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
from ipalib import api, errors
from ipalib import Str, Flag
from ipalib import _
from ipalib.plugins.baseldap import LDAPObject, LDAPUpdate, LDAPRetrieve
from ipalib.plugins.dns import _domain_name_validator
from ipalib.util import has_soa_or_ns_record
from ipapython.dn import DN
from ipapython.ipautil import get_domain_name
__doc__ = _("""
Realm domains
Manage the list of domains associated with IPA realm.
EXAMPLES:
Display the current list of realm domains:
ipa realmdomains-show
Replace the list of realm domains:
ipa realmdomains-mod --domain=example.com
ipa realmdomains-mod --domain={example1.com,example2.com,example3.com}
Add a domain to the list of realm domains:
ipa realmdomains-mod --add-domain=newdomain.com
Delete a domain from the list of realm domains:
ipa realmdomains-mod --del-domain=olddomain.com
""")
def _domain_name_normalizer(d):
return d.lower().rstrip('.')
class realmdomains(LDAPObject):
"""
List of domains associated with IPA realm.
"""
container_dn = api.env.container_realm_domains
object_name = _('Realm domains')
search_attributes = ['associateddomain']
default_attributes = ['associateddomain']
label = _('Realm Domains')
label_singular = _('Realm Domains')
takes_params = (
Str('associateddomain+',
_domain_name_validator,
normalizer=_domain_name_normalizer,
cli_name='domain',
label=_('Domain'),
),
Str('add_domain?',
_domain_name_validator,
normalizer=_domain_name_normalizer,
cli_name='add_domain',
label=_('Add domain'),
),
Str('del_domain?',
_domain_name_validator,
normalizer=_domain_name_normalizer,
cli_name='del_domain',
label=_('Delete domain'),
),
)
api.register(realmdomains)
class realmdomains_mod(LDAPUpdate):
__doc__ = _('Modify realm domains.')
takes_options = LDAPUpdate.takes_options + (
Flag('force',
label=_('Force'),
doc=_('Force adding domain even if not in DNS'),
),
)
def pre_callback(self, ldap, dn, entry_attrs, attrs_list, *keys, **options):
assert isinstance(dn, DN)
associateddomain = entry_attrs.get('associateddomain')
add_domain = entry_attrs.get('add_domain')
del_domain = entry_attrs.get('del_domain')
force = options.get('force')
if associateddomain:
if add_domain or del_domain:
raise errors.MutuallyExclusiveError(reason=_("you cannot specify the --domain option together with --add-domain or --del-domain"))
if get_domain_name() not in associateddomain:
raise errors.ValidationError(name='domain', error=_("cannot delete domain of IPA server"))
if not force:
bad_domains = [d for d in associateddomain if not has_soa_or_ns_record(d)]
if bad_domains:
bad_domains = ', '.join(bad_domains)
raise errors.ValidationError(name='domain', error=_("no SOA or NS records found for domains: %s" % bad_domains))
return dn
# If --add-domain or --del-domain options were provided, read
# the curent list from LDAP, modify it, and write the changes back
domains = ldap.get_entry(dn)['associateddomain']
if add_domain:
if not force and not has_soa_or_ns_record(add_domain):
raise errors.ValidationError(name='add_domain', error=_("no SOA or NS records found for domain %s" % add_domain))
del entry_attrs['add_domain']
domains.append(add_domain)
if del_domain:
if del_domain == get_domain_name():
raise errors.ValidationError(name='del_domain', error=_("cannot delete domain of IPA server"))
del entry_attrs['del_domain']
try:
domains.remove(del_domain)
except ValueError:
raise errors.AttrValueNotFound(attr='associateddomain', value=del_domain)
entry_attrs['associateddomain'] = domains
return dn
def execute(self, *keys, **options):
dn = self.obj.get_dn(*keys, **options)
ldap = self.obj.backend
domains_old = set(ldap.get_entry(dn)['associateddomain'])
result = super(realmdomains_mod, self).execute(*keys, **options)
domains_new = set(ldap.get_entry(dn)['associateddomain'])
domains_added = domains_new - domains_old
domains_deleted = domains_old - domains_new
# Add a _kerberos TXT record for zones that correspond with
# domains which were added
for d in domains_added:
# Skip our own domain
if d == api.env.domain:
continue
try:
api.Command['dnsrecord_add'](
unicode(d),
u'_kerberos',
txtrecord=api.env.realm
)
except (errors.EmptyModlist, errors.NotFound):
pass
# Delete _kerberos TXT record from zones that correspond with
# domains which were deleted
for d in domains_deleted:
# Skip our own domain
if d == api.env.domain:
continue
try:
api.Command['dnsrecord_del'](
unicode(d),
u'_kerberos',
txtrecord=api.env.realm
)
except (errors.AttrValueNotFound, errors.NotFound):
pass
return result
api.register(realmdomains_mod)
class realmdomains_show(LDAPRetrieve):
__doc__ = _('Display the list of realm domains.')
api.register(realmdomains_show)
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