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1798342735
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
84 lines
3.0 KiB
Python
84 lines
3.0 KiB
Python
# domain management - common code
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#
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# Copyright Catlayst .Net Ltd 2017-2023
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# Copyright Jelmer Vernooij 2007-2012
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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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from samba.dsdb import (
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DS_DOMAIN_FUNCTION_2000,
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DS_DOMAIN_FUNCTION_2003,
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DS_DOMAIN_FUNCTION_2008,
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DS_DOMAIN_FUNCTION_2008_R2,
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DS_DOMAIN_FUNCTION_2012,
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DS_DOMAIN_FUNCTION_2012_R2,
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DS_DOMAIN_FUNCTION_2003_MIXED,
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DS_DOMAIN_FUNCTION_2016
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)
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string_version_to_constant = {
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"2000": DS_DOMAIN_FUNCTION_2000,
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"2003": DS_DOMAIN_FUNCTION_2003,
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"2008": DS_DOMAIN_FUNCTION_2008,
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"2008_R2": DS_DOMAIN_FUNCTION_2008_R2,
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"2012": DS_DOMAIN_FUNCTION_2012,
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"2012_R2": DS_DOMAIN_FUNCTION_2012_R2,
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"2016": DS_DOMAIN_FUNCTION_2016,
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}
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def string_to_level(string):
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"""Interpret a string indicating a functional level."""
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return string_version_to_constant[string]
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def level_to_string(level):
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"""turn the level enum number into a printable string."""
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if level < DS_DOMAIN_FUNCTION_2000:
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return "invalid"
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strings = {
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DS_DOMAIN_FUNCTION_2000: "2000",
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DS_DOMAIN_FUNCTION_2003_MIXED:
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"2003 with mixed domains/interim (NT4 DC support)",
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DS_DOMAIN_FUNCTION_2003: "2003",
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DS_DOMAIN_FUNCTION_2008: "2008",
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DS_DOMAIN_FUNCTION_2008_R2: "2008 R2",
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DS_DOMAIN_FUNCTION_2012: "2012",
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DS_DOMAIN_FUNCTION_2012_R2: "2012 R2",
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DS_DOMAIN_FUNCTION_2016: "2016",
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}
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return strings.get(level, "higher than 2016")
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def dc_level_from_lp(lp):
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"""Return the ad dc functional level as an integer from a LoadParm"""
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# I don't like the RuntimeError here, but these "can't happen"
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# except by a developer stuffup.
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smb_conf_dc_functional_level = lp.get('ad dc functional level')
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if smb_conf_dc_functional_level is None:
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# This shouldn't be possible, except if the default option
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# value is not in the loadparm enum table
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raise RuntimeError("'ad dc functional level' in smb.conf unrecognised!")
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try:
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return string_to_level(smb_conf_dc_functional_level)
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except KeyError:
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# This shouldn't be possible at all, unless the table in
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# python/samba/functional_level.py is not a superset of that
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# in lib/param/param_table.c
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raise RuntimeError(f"'ad dc functional level = {smb_conf_dc_functional_level}'"
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" in smb.conf is not valid!")
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