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7493d781df
The changes include: * Change license blobs in source files to mention GPLv3+ not GPLv2 only * Add GPLv3+ license text * Package COPYING not LICENSE as the license blobs (even the old ones) mention COPYING specifically, it is also more common, I think https://fedorahosted.org/freeipa/ticket/239
120 lines
3.6 KiB
Python
120 lines
3.6 KiB
Python
# Authors:
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# Jason Gerard DeRose <jderose@redhat.com>
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#
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# Copyright (C) 2008 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 modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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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, see <http://www.gnu.org/licenses/>.
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"""
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Backend plugin for Kerberos.
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This wraps the python-kerberos and python-krbV bindings.
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"""
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import sys
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from ipalib import api
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from ipalib.backend import Backend
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import krbV
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ENCODING = 'UTF-8'
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class krb(Backend):
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"""
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Kerberos backend plugin.
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This wraps the `krbV` bindings (and will eventually wrap the `kerberos`
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bindings also). Importantly, this plugin does correct Unicode
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encoding/decoding of values going-to/coming-from the bindings.
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"""
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def __default_ccache(self):
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"""
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Return the ``krbV.CCache`` for the default credential cache.
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"""
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return krbV.default_context().default_ccache()
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def __default_principal(self):
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"""
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Return the ``krb5.Principal`` for the default credential cache.
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"""
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return self.__default_ccache().principal()
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def __get_ccache(self, ccname):
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"""
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Return the ``krbV.CCache`` for the ``ccname`` credential ccache.
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"""
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return krbV.CCache(ccname)
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def __get_principal(self, ccname):
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"""
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Return the ``krb5.Principal`` for the ``ccname`` credential ccache.
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"""
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return self.__get_ccache(ccname).principal()
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def default_ccname(self):
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"""
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Return the default ccache file name.
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This will return something like '/tmp/krb5cc_500'.
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This cannot return anything meaningful if used in the server as a
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request is processed.
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"""
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return self.__default_ccache().name
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def default_principal(self):
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"""
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Return the principal name in default credential cache.
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This will return something like 'admin@EXAMPLE.COM'. If no credential
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cache exists for the invoking user, None is returned.
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This cannot return anything meaningful if used in the server as a
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request is processed.
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"""
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return self.__default_principal().name.decode(ENCODING)
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def default_realm(self):
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"""
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Return the realm from the default credential cache.
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This will return something like 'EXAMPLE.COM'. If no credential cache
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exists for the invoking user, None is returned.
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This cannot return anything meaningful if used in the server as a
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request is processed.
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"""
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return krbV.default_context().default_realm.decode(ENCODING)
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def get_principal(self, ccname):
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"""
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Return the principal from credential cache file at ``ccname``.
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This will return something like 'admin@EXAMPLE.COM'.
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"""
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return self.__get_principal(ccname).name.decode(ENCODING)
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def get_realm(self, ccname):
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"""
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Return the realm from credential cache file at ``ccname``.
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This will return something like 'EXAMPLE.COM'.
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"""
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return self.__get_principal(ccname).realm.decode(ENCODING)
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api.register(krb)
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