s4-s3-upgrade Improve samba-tool domain samba3upgrade behaviour
[samba.git] / source4 / scripting / python / samba / netcmd / domain.py
1 #!/usr/bin/env python
2 #
3 # domain management
4 #
5 # Copyright Matthias Dieter Wallnoefer 2009
6 # Copyright Andrew Kroeger 2009
7 # Copyright Jelmer Vernooij 2009
8 # Copyright Giampaolo Lauria 2011
9 #
10 # This program is free software; you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation; either version 3 of the License, or
13 # (at your option) any later version.
14 #
15 # This program is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 # GNU General Public License for more details.
19 #
20 # You should have received a copy of the GNU General Public License
21 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
22 #
23
24
25
26 import samba.getopt as options
27 import ldb
28 import sys, os
29 import tempfile
30 import logging
31 from samba import Ldb
32 from samba.net import Net, LIBNET_JOIN_AUTOMATIC
33 from samba.dcerpc.misc import SEC_CHAN_WKSTA
34 from samba.join import join_RODC, join_DC, join_subdomain
35 from samba.auth import system_session
36 from samba.samdb import SamDB
37 from samba.dcerpc.samr import DOMAIN_PASSWORD_COMPLEX, DOMAIN_PASSWORD_STORE_CLEARTEXT
38 from samba.netcmd import (
39     Command,
40     CommandError,
41     SuperCommand,
42     Option
43     )
44 from samba.samba3 import Samba3
45 from samba.samba3 import param as s3param
46 from samba.upgrade import upgrade_from_samba3
47 from samba.provision import ProvisioningError
48
49 from samba.dsdb import (
50     DS_DOMAIN_FUNCTION_2000,
51     DS_DOMAIN_FUNCTION_2003,
52     DS_DOMAIN_FUNCTION_2003_MIXED,
53     DS_DOMAIN_FUNCTION_2008,
54     DS_DOMAIN_FUNCTION_2008_R2,
55     )
56
57 def get_testparm_var(testparm, smbconf, varname):
58     cmd = "%s -s -l --parameter-name='%s' %s 2>/dev/null" % (testparm, varname, smbconf)
59     output = os.popen(cmd, 'r').readline()
60     return output.strip()
61
62 class cmd_domain_export_keytab(Command):
63     """Dumps kerberos keys of the domain into a keytab"""
64
65     synopsis = "%prog domain exportkeytab <keytab> [options]"
66
67     takes_options = [
68         ]
69
70     takes_args = ["keytab"]
71
72     def run(self, keytab, credopts=None, sambaopts=None, versionopts=None):
73         lp = sambaopts.get_loadparm()
74         net = Net(None, lp, server=credopts.ipaddress)
75         net.export_keytab(keytab=keytab)
76
77
78
79 class cmd_domain_join(Command):
80     """Joins domain as either member or backup domain controller *"""
81
82     synopsis = "%prog domain join <dnsdomain> [DC|RODC|MEMBER|SUBDOMAIN] [options]"
83
84     takes_options = [
85         Option("--server", help="DC to join", type=str),
86         Option("--site", help="site to join", type=str),
87         Option("--targetdir", help="where to store provision", type=str),
88         Option("--parent-domain", help="parent domain to create subdomain under", type=str),
89         Option("--domain-critical-only",
90                help="only replicate critical domain objects",
91                action="store_true"),
92         ]
93
94     takes_args = ["domain", "role?"]
95
96     def run(self, domain, role=None, sambaopts=None, credopts=None,
97             versionopts=None, server=None, site=None, targetdir=None,
98             domain_critical_only=False, parent_domain=None):
99         lp = sambaopts.get_loadparm()
100         creds = credopts.get_credentials(lp)
101         net = Net(creds, lp, server=credopts.ipaddress)
102
103         if site is None:
104             site = "Default-First-Site-Name"
105
106         netbios_name = lp.get("netbios name")
107
108         if not role is None:
109             role = role.upper()
110
111         if role is None or role == "MEMBER":
112             (join_password, sid, domain_name) = net.join_member(domain,
113                                                                 netbios_name,
114                                                                 LIBNET_JOIN_AUTOMATIC)
115
116             self.outf.write("Joined domain %s (%s)\n" % (domain_name, sid))
117             return
118         elif role == "DC":
119             join_DC(server=server, creds=creds, lp=lp, domain=domain,
120                     site=site, netbios_name=netbios_name, targetdir=targetdir,
121                     domain_critical_only=domain_critical_only)
122             return
123         elif role == "RODC":
124             join_RODC(server=server, creds=creds, lp=lp, domain=domain,
125                       site=site, netbios_name=netbios_name, targetdir=targetdir,
126                       domain_critical_only=domain_critical_only)
127             return
128         elif role == "SUBDOMAIN":
129             netbios_domain = lp.get("workgroup")
130             if parent_domain is None:
131                 parent_domain = ".".join(domain.split(".")[1:])
132             join_subdomain(server=server, creds=creds, lp=lp, dnsdomain=domain, parent_domain=parent_domain,
133                            site=site, netbios_name=netbios_name, netbios_domain=netbios_domain, targetdir=targetdir)
134             return
135         else:
136             raise CommandError("Invalid role %s (possible values: MEMBER, DC, RODC)" % role)
137
138
139
140 class cmd_domain_level(Command):
141     """Raises domain and forest function levels"""
142
143     synopsis = "%prog domain level (show|raise <options>) [options]"
144
145     takes_options = [
146         Option("-H", "--URL", help="LDB URL for database or target server", type=str,
147                metavar="URL", dest="H"),
148         Option("--quiet", help="Be quiet", action="store_true"),
149         Option("--forest-level", type="choice", choices=["2003", "2008", "2008_R2"],
150             help="The forest function level (2003 | 2008 | 2008_R2)"),
151         Option("--domain-level", type="choice", choices=["2003", "2008", "2008_R2"],
152             help="The domain function level (2003 | 2008 | 2008_R2)")
153             ]
154
155     takes_args = ["subcommand"]
156
157     def run(self, subcommand, H=None, forest_level=None, domain_level=None,
158             quiet=False, credopts=None, sambaopts=None, versionopts=None):
159         lp = sambaopts.get_loadparm()
160         creds = credopts.get_credentials(lp, fallback_machine=True)
161
162         samdb = SamDB(url=H, session_info=system_session(),
163             credentials=creds, lp=lp)
164
165         domain_dn = samdb.domain_dn()
166
167         res_forest = samdb.search("CN=Partitions,CN=Configuration," + domain_dn,
168           scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
169         assert len(res_forest) == 1
170
171         res_domain = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
172           attrs=["msDS-Behavior-Version", "nTMixedDomain"])
173         assert len(res_domain) == 1
174
175         res_dc_s = samdb.search("CN=Sites,CN=Configuration," + domain_dn,
176           scope=ldb.SCOPE_SUBTREE, expression="(objectClass=nTDSDSA)",
177           attrs=["msDS-Behavior-Version"])
178         assert len(res_dc_s) >= 1
179
180         try:
181             level_forest = int(res_forest[0]["msDS-Behavior-Version"][0])
182             level_domain = int(res_domain[0]["msDS-Behavior-Version"][0])
183             level_domain_mixed = int(res_domain[0]["nTMixedDomain"][0])
184
185             min_level_dc = int(res_dc_s[0]["msDS-Behavior-Version"][0]) # Init value
186             for msg in res_dc_s:
187                 if int(msg["msDS-Behavior-Version"][0]) < min_level_dc:
188                     min_level_dc = int(msg["msDS-Behavior-Version"][0])
189
190             if level_forest < 0 or level_domain < 0:
191                 raise CommandError("Domain and/or forest function level(s) is/are invalid. Correct them or reprovision!")
192             if min_level_dc < 0:
193                 raise CommandError("Lowest function level of a DC is invalid. Correct this or reprovision!")
194             if level_forest > level_domain:
195                 raise CommandError("Forest function level is higher than the domain level(s). Correct this or reprovision!")
196             if level_domain > min_level_dc:
197                 raise CommandError("Domain function level is higher than the lowest function level of a DC. Correct this or reprovision!")
198
199         except KeyError:
200             raise CommandError("Could not retrieve the actual domain, forest level and/or lowest DC function level!")
201
202         if subcommand == "show":
203             self.message("Domain and forest function level for domain '%s'" % domain_dn)
204             if level_forest == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
205                 self.message("\nATTENTION: You run SAMBA 4 on a forest function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
206             if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
207                 self.message("\nATTENTION: You run SAMBA 4 on a domain function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
208             if min_level_dc == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
209                 self.message("\nATTENTION: You run SAMBA 4 on a lowest function level of a DC lower than Windows 2003. This isn't supported! Please step-up or upgrade the concerning DC(s)!")
210
211             self.message("")
212
213             if level_forest == DS_DOMAIN_FUNCTION_2000:
214                 outstr = "2000"
215             elif level_forest == DS_DOMAIN_FUNCTION_2003_MIXED:
216                 outstr = "2003 with mixed domains/interim (NT4 DC support)"
217             elif level_forest == DS_DOMAIN_FUNCTION_2003:
218                 outstr = "2003"
219             elif level_forest == DS_DOMAIN_FUNCTION_2008:
220                 outstr = "2008"
221             elif level_forest == DS_DOMAIN_FUNCTION_2008_R2:
222                 outstr = "2008 R2"
223             else:
224                 outstr = "higher than 2008 R2"
225             self.message("Forest function level: (Windows) " + outstr)
226
227             if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
228                 outstr = "2000 mixed (NT4 DC support)"
229             elif level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed == 0:
230                 outstr = "2000"
231             elif level_domain == DS_DOMAIN_FUNCTION_2003_MIXED:
232                 outstr = "2003 with mixed domains/interim (NT4 DC support)"
233             elif level_domain == DS_DOMAIN_FUNCTION_2003:
234                 outstr = "2003"
235             elif level_domain == DS_DOMAIN_FUNCTION_2008:
236                 outstr = "2008"
237             elif level_domain == DS_DOMAIN_FUNCTION_2008_R2:
238                 outstr = "2008 R2"
239             else:
240                 outstr = "higher than 2008 R2"
241             self.message("Domain function level: (Windows) " + outstr)
242
243             if min_level_dc == DS_DOMAIN_FUNCTION_2000:
244                 outstr = "2000"
245             elif min_level_dc == DS_DOMAIN_FUNCTION_2003:
246                 outstr = "2003"
247             elif min_level_dc == DS_DOMAIN_FUNCTION_2008:
248                 outstr = "2008"
249             elif min_level_dc == DS_DOMAIN_FUNCTION_2008_R2:
250                 outstr = "2008 R2"
251             else:
252                 outstr = "higher than 2008 R2"
253             self.message("Lowest function level of a DC: (Windows) " + outstr)
254
255         elif subcommand == "raise":
256             msgs = []
257
258             if domain_level is not None:
259                 if domain_level == "2003":
260                     new_level_domain = DS_DOMAIN_FUNCTION_2003
261                 elif domain_level == "2008":
262                     new_level_domain = DS_DOMAIN_FUNCTION_2008
263                 elif domain_level == "2008_R2":
264                     new_level_domain = DS_DOMAIN_FUNCTION_2008_R2
265
266                 if new_level_domain <= level_domain and level_domain_mixed == 0:
267                     raise CommandError("Domain function level can't be smaller equal to the actual one!")
268
269                 if new_level_domain > min_level_dc:
270                     raise CommandError("Domain function level can't be higher than the lowest function level of a DC!")
271
272                 # Deactivate mixed/interim domain support
273                 if level_domain_mixed != 0:
274                     # Directly on the base DN
275                     m = ldb.Message()
276                     m.dn = ldb.Dn(samdb, domain_dn)
277                     m["nTMixedDomain"] = ldb.MessageElement("0",
278                       ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
279                     samdb.modify(m)
280                     # Under partitions
281                     m = ldb.Message()
282                     m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup")
283                       + ",CN=Partitions,CN=Configuration," + domain_dn)
284                     m["nTMixedDomain"] = ldb.MessageElement("0",
285                       ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
286                     try:
287                         samdb.modify(m)
288                     except ldb.LdbError, (enum, emsg):
289                         if enum != ldb.ERR_UNWILLING_TO_PERFORM:
290                             raise
291
292                 # Directly on the base DN
293                 m = ldb.Message()
294                 m.dn = ldb.Dn(samdb, domain_dn)
295                 m["msDS-Behavior-Version"]= ldb.MessageElement(
296                   str(new_level_domain), ldb.FLAG_MOD_REPLACE,
297                             "msDS-Behavior-Version")
298                 samdb.modify(m)
299                 # Under partitions
300                 m = ldb.Message()
301                 m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup")
302                   + ",CN=Partitions,CN=Configuration," + domain_dn)
303                 m["msDS-Behavior-Version"]= ldb.MessageElement(
304                   str(new_level_domain), ldb.FLAG_MOD_REPLACE,
305                           "msDS-Behavior-Version")
306                 try:
307                     samdb.modify(m)
308                 except ldb.LdbError, (enum, emsg):
309                     if enum != ldb.ERR_UNWILLING_TO_PERFORM:
310                         raise
311
312                 level_domain = new_level_domain
313                 msgs.append("Domain function level changed!")
314
315             if forest_level is not None:
316                 if forest_level == "2003":
317                     new_level_forest = DS_DOMAIN_FUNCTION_2003
318                 elif forest_level == "2008":
319                     new_level_forest = DS_DOMAIN_FUNCTION_2008
320                 elif forest_level == "2008_R2":
321                     new_level_forest = DS_DOMAIN_FUNCTION_2008_R2
322                 if new_level_forest <= level_forest:
323                     raise CommandError("Forest function level can't be smaller equal to the actual one!")
324                 if new_level_forest > level_domain:
325                     raise CommandError("Forest function level can't be higher than the domain function level(s). Please raise it/them first!")
326                 m = ldb.Message()
327                 m.dn = ldb.Dn(samdb, "CN=Partitions,CN=Configuration,"
328                   + domain_dn)
329                 m["msDS-Behavior-Version"]= ldb.MessageElement(
330                   str(new_level_forest), ldb.FLAG_MOD_REPLACE,
331                           "msDS-Behavior-Version")
332                 samdb.modify(m)
333                 msgs.append("Forest function level changed!")
334             msgs.append("All changes applied successfully!")
335             self.message("\n".join(msgs))
336         else:
337             raise CommandError("Wrong argument '%s'!" % subcommand)
338
339
340
341 class cmd_domain_machinepassword(Command):
342     """Gets a machine password out of our SAM"""
343
344     synopsis = "%prog domain machinepassword <accountname> [options]"
345
346     takes_args = ["secret"]
347
348     def run(self, secret, sambaopts=None, credopts=None, versionopts=None):
349         lp = sambaopts.get_loadparm()
350         creds = credopts.get_credentials(lp, fallback_machine=True)
351         name = lp.get("secrets database")
352         path = lp.get("private dir")
353         url = os.path.join(path, name)
354         if not os.path.exists(url):
355             raise CommandError("secret database not found at %s " % url)
356         secretsdb = Ldb(url=url, session_info=system_session(),
357             credentials=creds, lp=lp)
358         result = secretsdb.search(attrs=["secret"],
359             expression="(&(objectclass=primaryDomain)(samaccountname=%s))" % ldb.binary_encode(secret))
360
361         if len(result) != 1:
362             raise CommandError("search returned %d records, expected 1" % len(result))
363
364         self.outf.write("%s\n" % result[0]["secret"])
365
366
367
368 class cmd_domain_passwordsettings(Command):
369     """Sets password settings
370
371     Password complexity, history length, minimum password length, the minimum
372     and maximum password age) on a Samba4 server.
373     """
374
375     synopsis = "%prog domain passwordsettings (show|set <options>) [options]"
376
377     takes_options = [
378         Option("-H", "--URL", help="LDB URL for database or target server", type=str,
379                metavar="URL", dest="H"),
380         Option("--quiet", help="Be quiet", action="store_true"),
381         Option("--complexity", type="choice", choices=["on","off","default"],
382           help="The password complexity (on | off | default). Default is 'on'"),
383         Option("--store-plaintext", type="choice", choices=["on","off","default"],
384           help="Store plaintext passwords where account have 'store passwords with reversible encryption' set (on | off | default). Default is 'off'"),
385         Option("--history-length",
386           help="The password history length (<integer> | default).  Default is 24.", type=str),
387         Option("--min-pwd-length",
388           help="The minimum password length (<integer> | default).  Default is 7.", type=str),
389         Option("--min-pwd-age",
390           help="The minimum password age (<integer in days> | default).  Default is 1.", type=str),
391         Option("--max-pwd-age",
392           help="The maximum password age (<integer in days> | default).  Default is 43.", type=str),
393           ]
394
395     takes_args = ["subcommand"]
396
397     def run(self, subcommand, H=None, min_pwd_age=None, max_pwd_age=None,
398             quiet=False, complexity=None, store_plaintext=None, history_length=None,
399             min_pwd_length=None, credopts=None, sambaopts=None,
400             versionopts=None):
401         lp = sambaopts.get_loadparm()
402         creds = credopts.get_credentials(lp)
403
404         samdb = SamDB(url=H, session_info=system_session(),
405             credentials=creds, lp=lp)
406
407         domain_dn = samdb.domain_dn()
408         res = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
409           attrs=["pwdProperties", "pwdHistoryLength", "minPwdLength",
410                  "minPwdAge", "maxPwdAge"])
411         assert(len(res) == 1)
412         try:
413             pwd_props = int(res[0]["pwdProperties"][0])
414             pwd_hist_len = int(res[0]["pwdHistoryLength"][0])
415             cur_min_pwd_len = int(res[0]["minPwdLength"][0])
416             # ticks -> days
417             cur_min_pwd_age = int(abs(int(res[0]["minPwdAge"][0])) / (1e7 * 60 * 60 * 24))
418             cur_max_pwd_age = int(abs(int(res[0]["maxPwdAge"][0])) / (1e7 * 60 * 60 * 24))
419         except Exception, e:
420             raise CommandError("Could not retrieve password properties!", e)
421
422         if subcommand == "show":
423             self.message("Password informations for domain '%s'" % domain_dn)
424             self.message("")
425             if pwd_props & DOMAIN_PASSWORD_COMPLEX != 0:
426                 self.message("Password complexity: on")
427             else:
428                 self.message("Password complexity: off")
429             if pwd_props & DOMAIN_PASSWORD_STORE_CLEARTEXT != 0:
430                 self.message("Store plaintext passwords: on")
431             else:
432                 self.message("Store plaintext passwords: off")
433             self.message("Password history length: %d" % pwd_hist_len)
434             self.message("Minimum password length: %d" % cur_min_pwd_len)
435             self.message("Minimum password age (days): %d" % cur_min_pwd_age)
436             self.message("Maximum password age (days): %d" % cur_max_pwd_age)
437         elif subcommand == "set":
438             msgs = []
439             m = ldb.Message()
440             m.dn = ldb.Dn(samdb, domain_dn)
441
442             if complexity is not None:
443                 if complexity == "on" or complexity == "default":
444                     pwd_props = pwd_props | DOMAIN_PASSWORD_COMPLEX
445                     msgs.append("Password complexity activated!")
446                 elif complexity == "off":
447                     pwd_props = pwd_props & (~DOMAIN_PASSWORD_COMPLEX)
448                     msgs.append("Password complexity deactivated!")
449
450             if store_plaintext is not None:
451                 if store_plaintext == "on" or store_plaintext == "default":
452                     pwd_props = pwd_props | DOMAIN_PASSWORD_STORE_CLEARTEXT
453                     msgs.append("Plaintext password storage for changed passwords activated!")
454                 elif store_plaintext == "off":
455                     pwd_props = pwd_props & (~DOMAIN_PASSWORD_STORE_CLEARTEXT)
456                     msgs.append("Plaintext password storage for changed passwords deactivated!")
457
458             if complexity is not None or store_plaintext is not None:
459                 m["pwdProperties"] = ldb.MessageElement(str(pwd_props),
460                   ldb.FLAG_MOD_REPLACE, "pwdProperties")
461
462             if history_length is not None:
463                 if history_length == "default":
464                     pwd_hist_len = 24
465                 else:
466                     pwd_hist_len = int(history_length)
467
468                 if pwd_hist_len < 0 or pwd_hist_len > 24:
469                     raise CommandError("Password history length must be in the range of 0 to 24!")
470
471                 m["pwdHistoryLength"] = ldb.MessageElement(str(pwd_hist_len),
472                   ldb.FLAG_MOD_REPLACE, "pwdHistoryLength")
473                 msgs.append("Password history length changed!")
474
475             if min_pwd_length is not None:
476                 if min_pwd_length == "default":
477                     min_pwd_len = 7
478                 else:
479                     min_pwd_len = int(min_pwd_length)
480
481                 if min_pwd_len < 0 or min_pwd_len > 14:
482                     raise CommandError("Minimum password length must be in the range of 0 to 14!")
483
484                 m["minPwdLength"] = ldb.MessageElement(str(min_pwd_len),
485                   ldb.FLAG_MOD_REPLACE, "minPwdLength")
486                 msgs.append("Minimum password length changed!")
487
488             if min_pwd_age is not None:
489                 if min_pwd_age == "default":
490                     min_pwd_age = 1
491                 else:
492                     min_pwd_age = int(min_pwd_age)
493
494                 if min_pwd_age < 0 or min_pwd_age > 998:
495                     raise CommandError("Minimum password age must be in the range of 0 to 998!")
496
497                 # days -> ticks
498                 min_pwd_age_ticks = -int(min_pwd_age * (24 * 60 * 60 * 1e7))
499
500                 m["minPwdAge"] = ldb.MessageElement(str(min_pwd_age_ticks),
501                   ldb.FLAG_MOD_REPLACE, "minPwdAge")
502                 msgs.append("Minimum password age changed!")
503
504             if max_pwd_age is not None:
505                 if max_pwd_age == "default":
506                     max_pwd_age = 43
507                 else:
508                     max_pwd_age = int(max_pwd_age)
509
510                 if max_pwd_age < 0 or max_pwd_age > 999:
511                     raise CommandError("Maximum password age must be in the range of 0 to 999!")
512
513                 # days -> ticks
514                 max_pwd_age_ticks = -int(max_pwd_age * (24 * 60 * 60 * 1e7))
515
516                 m["maxPwdAge"] = ldb.MessageElement(str(max_pwd_age_ticks),
517                   ldb.FLAG_MOD_REPLACE, "maxPwdAge")
518                 msgs.append("Maximum password age changed!")
519
520             if max_pwd_age > 0 and min_pwd_age >= max_pwd_age:
521                 raise CommandError("Maximum password age (%d) must be greater than minimum password age (%d)!" % (max_pwd_age, min_pwd_age))
522
523             if len(m) == 0:
524                 raise CommandError("You must specify at least one option to set. Try --help")
525             samdb.modify(m)
526             msgs.append("All changes applied successfully!")
527             self.message("\n".join(msgs))
528         else:
529             raise CommandError("Wrong argument '%s'!" % subcommand)
530
531
532 class cmd_domain_samba3upgrade(Command):
533     """Upgrade from Samba3 database to Samba4 AD database"""
534
535     synopsis = "%prog domain samba3upgrade [options] <samba3_smb_conf>"
536
537     long_description = """Specify either samba3 database directory (with --libdir) or
538 samba3 testparm utility (with --testparm)."""
539
540     takes_optiongroups = {
541         "sambaopts": options.SambaOptions,
542         "versionopts": options.VersionOptions
543     }
544
545     takes_options = [
546         Option("--libdir", type="string", metavar="DIR",
547                   help="Path to samba3 database directory"),
548         Option("--testparm", type="string", metavar="PATH",
549                   help="Path to samba3 testparm utility"),
550         Option("--targetdir", type="string", metavar="DIR",
551                   help="Path prefix where the new Samba 4.0 AD domain should be initialised"),
552         Option("--quiet", help="Be quiet"),
553         Option("--use-xattrs", type="choice", choices=["yes","no","auto"], metavar="[yes|no|auto]",
554                    help="Define if we should use the native fs capabilities or a tdb file for storing attributes likes ntacl, auto tries to make an inteligent guess based on the user rights and system capabilities", default="auto"),
555     ]
556
557     takes_args = ["smbconf"]
558
559     def run(self, smbconf=None, targetdir=None, libdir=None, testparm=None, 
560             quiet=None, use_xattrs=None, sambaopts=None, versionopts=None):
561
562         if not os.path.exists(smbconf):
563             raise CommandError("File %s does not exist" % smbconf)
564         
565         if testparm and not os.path.exists(testparm):
566             raise CommandError("Testparm utility %s does not exist" % testparm)
567
568         if libdir and not os.path.exists(libdir):
569             raise CommandError("Directory %s does not exist" % libdir)
570
571         if not libdir and not testparm:
572             raise CommandError("Please specify either libdir or testparm")
573
574         if libdir and testparm:
575             self.outf.write("warning: both libdir and testparm specified, ignoring libdir.\n")
576             libdir = None
577
578         logger = logging.getLogger("upgrade")
579         logger.addHandler(logging.StreamHandler(sys.stdout))
580         if quiet:
581             logger.setLevel(logging.WARNING)
582         else:
583             logger.setLevel(logging.INFO)
584
585         lp = sambaopts.get_loadparm()
586
587         s3conf = s3param.get_context()
588
589         if sambaopts.realm:
590             s3conf.set("realm", sambaopts.realm)
591
592         eadb = True
593         if use_xattrs == "yes":
594             eadb = False
595         elif use_xattrs == "auto" and not s3conf.get("posix:eadb"):
596             tmpfile = tempfile.NamedTemporaryFile()
597             try:
598                 samba.ntacls.setntacl(lp, tmpfile.name,
599                             "O:S-1-5-32G:S-1-5-32", "S-1-5-32", "native")
600                 eadb = False
601             except:
602                 # FIXME: Don't catch all exceptions here
603                 logger.info("You are not root or your system do not support xattr, using tdb backend for attributes. "
604                             "If you intend to use this provision in production, rerun the script as root on a system supporting xattrs.")
605             tmpfile.close()
606
607         # Set correct default values from libdir or testparm
608         paths = {}
609         if libdir:
610             paths["state directory"] = libdir
611             paths["private dir"] = libdir
612             paths["lock directory"] = libdir
613         else:
614             paths["state directory"] = get_testparm_var(testparm, smbconf, "state directory")
615             paths["private dir"] = get_testparm_var(testparm, smbconf, "private dir")
616             paths["lock directory"] = get_testparm_var(testparm, smbconf, "lock directory")
617     
618         for p in paths:
619             s3conf.set(p, paths[p])
620     
621         # load smb.conf parameters
622         logger.info("Reading smb.conf")
623         s3conf.load(smbconf)
624         samba3 = Samba3(smbconf, s3conf)
625     
626         logger.info("Provisioning")
627         upgrade_from_samba3(samba3, logger, targetdir, session_info=system_session(), 
628                             useeadb=eadb)
629
630
631 class cmd_domain(SuperCommand):
632     """Domain management"""
633
634     subcommands = {}
635     subcommands["exportkeytab"] = cmd_domain_export_keytab()
636     subcommands["join"] = cmd_domain_join()
637     subcommands["level"] = cmd_domain_level()
638     subcommands["machinepassword"] = cmd_domain_machinepassword()
639     subcommands["passwordsettings"] = cmd_domain_passwordsettings()
640     subcommands["samba3upgrade"] = cmd_domain_samba3upgrade()