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This will make the API work in a nature way. Also, because of a defect in ldb API, code like `res[0]["maxPwdAge"][0]` will return bytes even in Python3, which will cause trouble. By casting the value to int, we avoid the str/bytes issue. Signed-off-by: Joe Guo <joeg@catalyst.net.nz> Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
154 lines
6.0 KiB
Python
154 lines
6.0 KiB
Python
# gp_sec_ext kdc gpo policy
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# Copyright (C) Luke Morrison <luc785@.hotmail.com> 2013
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# Copyright (C) David Mulder <dmulder@suse.com> 2018
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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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import os.path
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from samba.gpclass import gp_ext_setter, gp_inf_ext
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class inf_to_kdc_tdb(gp_ext_setter):
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def mins_to_hours(self):
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return '%d' % (int(self.val)/60)
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def days_to_hours(self):
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return '%d' % (int(self.val)*24)
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def set_kdc_tdb(self, val):
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old_val = self.gp_db.gpostore.get(self.attribute)
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self.logger.info('%s was changed from %s to %s' % (self.attribute,
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old_val, val))
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if val is not None:
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self.gp_db.gpostore.store(self.attribute, val)
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self.gp_db.store(str(self), self.attribute, old_val)
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else:
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self.gp_db.gpostore.delete(self.attribute)
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self.gp_db.delete(str(self), self.attribute)
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def mapper(self):
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return { 'kdc:user_ticket_lifetime': (self.set_kdc_tdb, self.explicit),
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'kdc:service_ticket_lifetime': (self.set_kdc_tdb,
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self.mins_to_hours),
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'kdc:renewal_lifetime': (self.set_kdc_tdb,
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self.days_to_hours),
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}
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def __str__(self):
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return 'Kerberos Policy'
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class inf_to_ldb(gp_ext_setter):
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'''This class takes the .inf file parameter (essentially a GPO file mapped
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to a GUID), hashmaps it to the Samba parameter, which then uses an ldb
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object to update the parameter to Samba4. Not registry oriented whatsoever.
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'''
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def ch_minPwdAge(self, val):
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old_val = self.ldb.get_minPwdAge()
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self.logger.info('KDC Minimum Password age was changed from %s to %s' \
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% (old_val, val))
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self.gp_db.store(str(self), self.attribute, str(old_val))
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self.ldb.set_minPwdAge(val)
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def ch_maxPwdAge(self, val):
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old_val = self.ldb.get_maxPwdAge()
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self.logger.info('KDC Maximum Password age was changed from %s to %s' \
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% (old_val, val))
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self.gp_db.store(str(self), self.attribute, str(old_val))
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self.ldb.set_maxPwdAge(val)
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def ch_minPwdLength(self, val):
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old_val = self.ldb.get_minPwdLength()
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self.logger.info(
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'KDC Minimum Password length was changed from %s to %s' \
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% (old_val, val))
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self.gp_db.store(str(self), self.attribute, str(old_val))
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self.ldb.set_minPwdLength(val)
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def ch_pwdProperties(self, val):
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old_val = self.ldb.get_pwdProperties()
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self.logger.info('KDC Password Properties were changed from %s to %s' \
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% (old_val, val))
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self.gp_db.store(str(self), self.attribute, str(old_val))
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self.ldb.set_pwdProperties(val)
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def days2rel_nttime(self):
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seconds = 60
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minutes = 60
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hours = 24
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sam_add = 10000000
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val = (self.val)
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val = int(val)
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return str(-(val * seconds * minutes * hours * sam_add))
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def mapper(self):
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'''ldap value : samba setter'''
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return { "minPwdAge" : (self.ch_minPwdAge, self.days2rel_nttime),
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"maxPwdAge" : (self.ch_maxPwdAge, self.days2rel_nttime),
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# Could be none, but I like the method assignment in
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# update_samba
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"minPwdLength" : (self.ch_minPwdLength, self.explicit),
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"pwdProperties" : (self.ch_pwdProperties, self.explicit),
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}
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def __str__(self):
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return 'System Access'
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class gp_sec_ext(gp_inf_ext):
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'''This class does the following two things:
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1) Identifies the GPO if it has a certain kind of filepath,
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2) Finally parses it.
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'''
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count = 0
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def __str__(self):
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return "Security GPO extension"
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def list(self, rootpath):
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return os.path.join(rootpath,
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"MACHINE/Microsoft/Windows NT/SecEdit/GptTmpl.inf")
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def listmachpol(self, rootpath):
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return os.path.join(rootpath, "Machine/Registry.pol")
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def listuserpol(self, rootpath):
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return os.path.join(rootpath, "User/Registry.pol")
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def apply_map(self):
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return {"System Access": {"MinimumPasswordAge": ("minPwdAge",
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inf_to_ldb),
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"MaximumPasswordAge": ("maxPwdAge",
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inf_to_ldb),
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"MinimumPasswordLength": ("minPwdLength",
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inf_to_ldb),
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"PasswordComplexity": ("pwdProperties",
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inf_to_ldb),
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},
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"Kerberos Policy": {"MaxTicketAge": (
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"kdc:user_ticket_lifetime",
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inf_to_kdc_tdb
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),
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"MaxServiceAge": (
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"kdc:service_ticket_lifetime",
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inf_to_kdc_tdb
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),
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"MaxRenewAge": (
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"kdc:renewal_lifetime",
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inf_to_kdc_tdb
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),
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}
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}
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