mirror of
https://salsa.debian.org/freeipa-team/freeipa.git
synced 2024-12-29 10:21:18 -06:00
74 lines
2.8 KiB
Python
74 lines
2.8 KiB
Python
# Authors:
|
|
# Rob Crittenden <rcritten@redhat.com>
|
|
#
|
|
# Copyright (C) 2009 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
|
|
|
|
"""
|
|
Base classes for non-LDAP backend plugins.
|
|
"""
|
|
from ipalib import api
|
|
from ipalib import Command
|
|
from ipalib import errors
|
|
|
|
class VirtualCommand(Command):
|
|
"""
|
|
A command that doesn't use the LDAP backend but wants to use the
|
|
LDAP access control system to make authorization decisions.
|
|
|
|
The class variable operation is the commonName attribute of the
|
|
entry to be tested against.
|
|
|
|
In advance, you need to create an entry of the form:
|
|
cn=<operation>, api.env.container_virtual, api.env.basedn
|
|
|
|
Ex.
|
|
cn=request certificate, cn=virtual operations, dc=example, dc=com
|
|
"""
|
|
operation = None
|
|
|
|
def execute(self, *args, **kw):
|
|
"""
|
|
Perform the LDAP query to determine authorization.
|
|
|
|
This should be executed via super() before any actual work is done.
|
|
"""
|
|
if self.operation is None:
|
|
raise errors.ACIError(info='operation not defined')
|
|
|
|
ldap = self.api.Backend.ldap2
|
|
self.log.info("IPA: virtual verify %s" % self.operation)
|
|
|
|
operationdn = "cn=%s,%s,%s" % (self.operation, self.api.env.container_virtual, self.api.env.basedn)
|
|
|
|
# By adding this unknown objectclass we do several things.
|
|
# DS checks ACIs before the objectclass so we can test for ACI
|
|
# errors to know if we have rights. If we do have rights then the
|
|
# update will fail anyway with a Database error because of an
|
|
# unknown objectclass, so we can catch that gracefully as well.
|
|
try:
|
|
updatekw = {'objectclass': ['somerandomunknownclass']}
|
|
ldap.update(operationdn, **updatekw)
|
|
except errors.ACIError, e:
|
|
self.log.debug("%s" % str(e))
|
|
raise errors.ACIError(info='not allowed to perform this command')
|
|
except errors.ObjectclassViolation:
|
|
return
|
|
except Exception, e:
|
|
# Something unexpected happened. Log it and deny access to be safe.
|
|
self.log.info("Virtual verify failed: %s %s" % (type(e), str(e)))
|
|
raise errors.ACIError(info='not allowed to perform this command')
|