1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
#!/usr/bin/python
#
# Raises domain and forest function levels
#
# Copyright Matthias Dieter Wallnoefer 2009
#
# 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; either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
#
import sys
# Find right directory when running from source tree
sys.path.insert(0, "bin/python")
import samba.getopt as options
import optparse
import ldb
from samba.auth import system_session
from samba.samdb import SamDB
from samba import DS_DOMAIN_FUNCTION_2000, DS_DOMAIN_FUNCTION_2003
from samba import DS_DOMAIN_FUNCTION_2003_MIXED, DS_DOMAIN_FUNCTION_2008
from samba import DS_DOMAIN_FUNCTION_2008_R2
parser = optparse.OptionParser("domainlevel (show | raise <options>)")
sambaopts = options.SambaOptions(parser)
parser.add_option_group(sambaopts)
parser.add_option_group(options.VersionOptions(parser))
credopts = options.CredentialsOptions(parser)
parser.add_option_group(credopts)
parser.add_option("--quiet", help="Be quiet", action="store_true")
parser.add_option("--forest",
help="The forest function level (2000 | 2003 | 2008 | 2008_R2). We don't support mixed/interim (NT4 DC support) levels.", type=str)
parser.add_option("--domain",
help="The domain function level (2000 | 2003 | 2008 | 2008_R2). We don't support mixed/interim (NT4 DC support) levels.", type=str)
opts, args = parser.parse_args()
#
# print a message if quiet is not set
#
def message(text):
if not opts.quiet:
print text
if len(args) == 0:
parser.print_usage()
sys.exit(1)
lp = sambaopts.get_loadparm()
creds = credopts.get_credentials(lp)
samdb = SamDB(url=lp.get("sam database"), session_info=system_session(),
credentials=creds, lp=lp)
domain_dn = SamDB.domain_dn(samdb)
res_forest = samdb.search("CN=Partitions,CN=Configuration," + domain_dn,
scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
assert(len(res_forest) == 1)
res_forest_mixed = samdb.search("CN=" + lp.get("workgroup") +
",CN=Partitions,CN=Configuration," + domain_dn,
scope=ldb.SCOPE_BASE, attrs=["nTMixedDomain"])
assert(len(res_forest_mixed) == 1)
res_domain = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
attrs=["msDS-Behavior-Version", "nTMixedDomain"])
assert(len(res_domain) == 1)
try:
level_forest = int(res_forest[0]["msDS-Behavior-Version"][0])
level_forest_mixed = int(res_forest_mixed[0]["nTMixedDomain"][0])
level_domain = int(res_domain[0]["msDS-Behavior-Version"][0])
level_domain_mixed = int(res_domain[0]["nTMixedDomain"][0])
if level_forest < 0 or level_domain < 0:
print "ERROR: Domain and/or forest functional level(s) is/are invalid. Correct them or reprovision!"
sys.exit(1)
if level_forest > level_domain or (level_forest_mixed < level_domain_mixed):
print "ERROR: Forest function level is higher than the domain level(s). That can't be. Correct this or reprovision!"
sys.exit(1)
except:
print "ERROR: Could not retrieve the actual domain and forest level!"
if args[0] == "show":
print "So the levels can't be displayed!"
sys.exit(1)
if args[0] == "show":
message("Domain and forest function level for domain '" + domain_dn + "'")
if (level_forest == DS_DOMAIN_FUNCTION_2000 and level_forest_mixed != 0) or level_forest == DS_DOMAIN_FUNCTION_2003_MIXED:
message("\nATTENTION: You run SAMBA 4 on a mixed/interim (NT4 DC support) forest level. This isn't supported! Please raise!")
if (level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0) or level_domain == DS_DOMAIN_FUNCTION_2003_MIXED:
message("\nATTENTION: You run SAMBA 4 on a mixed/interim (NT4 DC support) domain level. This isn't supported! Please raise!")
message("")
if level_forest == DS_DOMAIN_FUNCTION_2000 and level_forest_mixed != 0:
outstr = "2000 mixed (NT4 DC support)"
elif level_forest == DS_DOMAIN_FUNCTION_2000 and level_forest_mixed == 0:
outstr = "2000"
elif level_forest == DS_DOMAIN_FUNCTION_2003_MIXED:
outstr = "2003 interim (NT4 DC support)"
elif level_forest == DS_DOMAIN_FUNCTION_2003:
outstr = "2003"
elif level_forest == DS_DOMAIN_FUNCTION_2008:
outstr = "2008"
elif level_forest == DS_DOMAIN_FUNCTION_2008_R2:
outstr = "2008 R2"
else:
outstr = "higher than 2008 R2"
message("Forest function level: (Windows) " + outstr)
if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
outstr = "2000 mixed (NT4 DC support)"
elif level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed == 0:
outstr = "2000"
elif level_domain == DS_DOMAIN_FUNCTION_2003_MIXED:
outstr = "2003 interim (NT4 DC support)"
elif level_domain == DS_DOMAIN_FUNCTION_2003:
outstr = "2003"
elif level_domain == DS_DOMAIN_FUNCTION_2008:
outstr = "2008"
elif level_domain == DS_DOMAIN_FUNCTION_2008_R2:
outstr = "2008 R2"
else:
outstr = "higher than 2008 R2"
message("Domain function level: (Windows) " + outstr)
elif args[0] == "raise":
msgs = []
if opts.domain is not None:
arg = opts.domain
if arg == "2000":
new_level_domain = DS_DOMAIN_FUNCTION_2000
elif arg == "2003":
new_level_domain = DS_DOMAIN_FUNCTION_2003
elif arg == "2008":
new_level_domain = DS_DOMAIN_FUNCTION_2008
elif arg == "2008_R2":
new_level_domain = DS_DOMAIN_FUNCTION_2008_R2
else:
print "ERROR: Wrong argument '" + arg + "'!"
sys.exit(1)
if new_level_domain <= level_domain and level_domain_mixed == 0:
print "ERROR: Domain function level can't be smaller equal to the actual one!"
sys.exit(1)
# Deactivate mixed/interim domain support
if level_domain_mixed != 0:
m = ldb.Message()
m.dn = ldb.Dn(samdb, domain_dn)
m["nTMixedDomain"] = ldb.MessageElement("0",
ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
samdb.modify(m)
m = ldb.Message()
m.dn = ldb.Dn(samdb, domain_dn)
m["msDS-Behavior-Version"]= ldb.MessageElement(
str(new_level_domain), ldb.FLAG_MOD_REPLACE,
"msDS-Behavior-Version")
samdb.modify(m)
level_domain = new_level_domain
msgs.append("Domain function level changed!")
if opts.forest is not None:
arg = opts.forest
if arg == "2000":
new_level_forest = DS_DOMAIN_FUNCTION_2000
elif arg == "2003":
new_level_forest = DS_DOMAIN_FUNCTION_2003
elif arg == "2008":
new_level_forest = DS_DOMAIN_FUNCTION_2008
elif arg == "2008_R2":
new_level_forest = DS_DOMAIN_FUNCTION_2008_R2
else:
print "ERROR: Wrong argument '" + arg + "'!"
sys.exit(1)
if new_level_forest <= level_forest and level_forest_mixed == 0:
print "ERROR: Forest function level can't be smaller equal to the actual one!"
sys.exit(1)
if new_level_forest > level_domain:
print "ERROR: Forest function level can't be higher than the domain function level(s). Please raise it/them first!"
sys.exit(1)
# Deactivate mixed/interim forest support
if level_forest_mixed != 0:
m = ldb.Message()
m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup")
+ ",CN=Partitions,CN=Configuration," + domain_dn)
m["nTMixedDomain"] = ldb.MessageElement("0",
ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
samdb.modify(m)
m = ldb.Message()
m.dn = ldb.Dn(samdb, "CN=Partitions,CN=Configuration,"
+ domain_dn)
m["msDS-Behavior-Version"]= ldb.MessageElement(
str(new_level_forest), ldb.FLAG_MOD_REPLACE,
"msDS-Behavior-Version")
samdb.modify(m)
msgs.append("Forest function level changed!")
msgs.append("All changes applied successfully!")
message("\n".join(msgs))
else:
print "ERROR: Wrong argument '" + args[0] + "'!"
sys.exit(1)
|
