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We want to only allow a machine to request a certificate for itself, not for other machines. I've added a new taksgroup which will allow this. The requesting IP is resolved and compared to the subject of the CSR to determine if they are the same host. The same is done with the service principal. Subject alt names are not queried yet. This does not yet grant machines actual permission to request certificates yet, that is still limited to the taskgroup request_certs.
67 lines
2.2 KiB
Python
67 lines
2.2 KiB
Python
# Authors:
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# Rob Crittenden <rcritten@redhat.com>
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#
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# Copyright (C) 2009 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; version 2 only
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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Base classes for non-LDAP backend plugins.
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"""
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from ipalib import api
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from ipalib import Command
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from ipalib import errors
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class VirtualCommand(Command):
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"""
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A command that doesn't use the LDAP backend but wants to use the
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LDAP access control system to make authorization decisions.
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The class variable operation is the commonName attribute of the
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entry to be tested against.
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In advance, you need to create an entry of the form:
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cn=<operation>, api.env.container_virtual, api.env.basedn
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Ex.
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cn=request certificate, cn=virtual operations, dc=example, dc=com
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"""
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operation = None
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def check_access(self, operation=None):
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"""
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Perform an LDAP query to determine authorization.
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This should be executed before any actual work is done.
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"""
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if self.operation is None and operation is None:
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raise errors.ACIError(info='operation not defined')
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if operation is None:
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operation = self.operation
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ldap = self.api.Backend.ldap2
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self.log.info("IPA: virtual verify %s" % operation)
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operationdn = "cn=%s,%s,%s" % (operation, self.api.env.container_virtual, self.api.env.basedn)
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try:
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if not ldap.can_write(operationdn, "objectclass"):
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raise errors.ACIError(info='not allowed to perform this command')
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except errors.NotFound:
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raise errors.ACIError(info='No such virtual command')
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return True
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