libsmb: Add cli_create_send/recv
[Samba.git] / python / samba / dbchecker.py
blobc65861087f7b7dc706767dbb989500f8a1d326d4
1 # Samba4 AD database checker
3 # Copyright (C) Andrew Tridgell 2011
4 # Copyright (C) Matthieu Patou <mat@matws.net> 2011
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 import ldb
21 import samba
22 import time
23 from samba import dsdb
24 from samba import common
25 from samba.dcerpc import misc
26 from samba.ndr import ndr_unpack, ndr_pack
27 from samba.dcerpc import drsblobs
28 from samba.common import dsdb_Dn
29 from samba.dcerpc import security
30 from samba.descriptor import get_wellknown_sds, get_diff_sds
31 from samba.auth import system_session, admin_session
34 class dbcheck(object):
35 """check a SAM database for errors"""
37 def __init__(self, samdb, samdb_schema=None, verbose=False, fix=False,
38 yes=False, quiet=False, in_transaction=False,
39 reset_well_known_acls=False):
40 self.samdb = samdb
41 self.dict_oid_name = None
42 self.samdb_schema = (samdb_schema or samdb)
43 self.verbose = verbose
44 self.fix = fix
45 self.yes = yes
46 self.quiet = quiet
47 self.remove_all_unknown_attributes = False
48 self.remove_all_empty_attributes = False
49 self.fix_all_normalisation = False
50 self.fix_all_DN_GUIDs = False
51 self.fix_all_binary_dn = False
52 self.remove_all_deleted_DN_links = False
53 self.fix_all_target_mismatch = False
54 self.fix_all_metadata = False
55 self.fix_time_metadata = False
56 self.fix_all_missing_backlinks = False
57 self.fix_all_orphaned_backlinks = False
58 self.fix_rmd_flags = False
59 self.fix_ntsecuritydescriptor = False
60 self.fix_ntsecuritydescriptor_owner_group = False
61 self.seize_fsmo_role = False
62 self.move_to_lost_and_found = False
63 self.fix_instancetype = False
64 self.fix_replmetadata_zero_invocationid = False
65 self.fix_deleted_deleted_objects = False
66 self.fix_dn = False
67 self.reset_well_known_acls = reset_well_known_acls
68 self.reset_all_well_known_acls = False
69 self.in_transaction = in_transaction
70 self.infrastructure_dn = ldb.Dn(samdb, "CN=Infrastructure," + samdb.domain_dn())
71 self.naming_dn = ldb.Dn(samdb, "CN=Partitions,%s" % samdb.get_config_basedn())
72 self.schema_dn = samdb.get_schema_basedn()
73 self.rid_dn = ldb.Dn(samdb, "CN=RID Manager$,CN=System," + samdb.domain_dn())
74 self.ntds_dsa = ldb.Dn(samdb, samdb.get_dsServiceName())
75 self.class_schemaIDGUID = {}
76 self.wellknown_sds = get_wellknown_sds(self.samdb)
77 self.fix_all_missing_objectclass = False
79 self.name_map = {}
80 try:
81 res = samdb.search(base="CN=DnsAdmins,CN=Users,%s" % samdb.domain_dn(), scope=ldb.SCOPE_BASE,
82 attrs=["objectSid"])
83 dnsadmins_sid = ndr_unpack(security.dom_sid, res[0]["objectSid"][0])
84 self.name_map['DnsAdmins'] = str(dnsadmins_sid)
85 except ldb.LdbError, (enum, estr):
86 if enum != ldb.ERR_NO_SUCH_OBJECT:
87 raise
88 pass
90 self.system_session_info = system_session()
91 self.admin_session_info = admin_session(None, samdb.get_domain_sid())
93 res = self.samdb.search(base=self.ntds_dsa, scope=ldb.SCOPE_BASE, attrs=['msDS-hasMasterNCs', 'hasMasterNCs'])
94 if "msDS-hasMasterNCs" in res[0]:
95 self.write_ncs = res[0]["msDS-hasMasterNCs"]
96 else:
97 # If the Forest Level is less than 2003 then there is no
98 # msDS-hasMasterNCs, so we fall back to hasMasterNCs
99 # no need to merge as all the NCs that are in hasMasterNCs must
100 # also be in msDS-hasMasterNCs (but not the opposite)
101 if "hasMasterNCs" in res[0]:
102 self.write_ncs = res[0]["hasMasterNCs"]
103 else:
104 self.write_ncs = None
106 res = self.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=['namingContexts'])
107 try:
108 ncs = res[0]["namingContexts"]
109 self.deleted_objects_containers = []
110 for nc in ncs:
111 try:
112 dn = self.samdb.get_wellknown_dn(ldb.Dn(self.samdb, nc),
113 dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER)
114 self.deleted_objects_containers.append(dn)
115 except KeyError:
116 pass
117 except KeyError:
118 pass
119 except IndexError:
120 pass
122 def check_database(self, DN=None, scope=ldb.SCOPE_SUBTREE, controls=[], attrs=['*']):
123 '''perform a database check, returning the number of errors found'''
125 res = self.samdb.search(base=DN, scope=scope, attrs=['dn'], controls=controls)
126 self.report('Checking %u objects' % len(res))
127 error_count = 0
129 for object in res:
130 error_count += self.check_object(object.dn, attrs=attrs)
132 if DN is None:
133 error_count += self.check_rootdse()
135 if error_count != 0 and not self.fix:
136 self.report("Please use --fix to fix these errors")
138 self.report('Checked %u objects (%u errors)' % (len(res), error_count))
139 return error_count
141 def report(self, msg):
142 '''print a message unless quiet is set'''
143 if not self.quiet:
144 print(msg)
146 def confirm(self, msg, allow_all=False, forced=False):
147 '''confirm a change'''
148 if not self.fix:
149 return False
150 if self.quiet:
151 return self.yes
152 if self.yes:
153 forced = True
154 return common.confirm(msg, forced=forced, allow_all=allow_all)
156 ################################################################
157 # a local confirm function with support for 'all'
158 def confirm_all(self, msg, all_attr):
159 '''confirm a change with support for "all" '''
160 if not self.fix:
161 return False
162 if self.quiet:
163 return self.yes
164 if getattr(self, all_attr) == 'NONE':
165 return False
166 if getattr(self, all_attr) == 'ALL':
167 forced = True
168 else:
169 forced = self.yes
170 c = common.confirm(msg, forced=forced, allow_all=True)
171 if c == 'ALL':
172 setattr(self, all_attr, 'ALL')
173 return True
174 if c == 'NONE':
175 setattr(self, all_attr, 'NONE')
176 return False
177 return c
179 def do_delete(self, dn, controls, msg):
180 '''delete dn with optional verbose output'''
181 if self.verbose:
182 self.report("delete DN %s" % dn)
183 try:
184 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
185 self.samdb.delete(dn, controls=controls)
186 except Exception, err:
187 self.report("%s : %s" % (msg, err))
188 return False
189 return True
191 def do_modify(self, m, controls, msg, validate=True):
192 '''perform a modify with optional verbose output'''
193 if self.verbose:
194 self.report(self.samdb.write_ldif(m, ldb.CHANGETYPE_MODIFY))
195 try:
196 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
197 self.samdb.modify(m, controls=controls, validate=validate)
198 except Exception, err:
199 self.report("%s : %s" % (msg, err))
200 return False
201 return True
203 def do_rename(self, from_dn, to_rdn, to_base, controls, msg):
204 '''perform a modify with optional verbose output'''
205 if self.verbose:
206 self.report("""dn: %s
207 changeType: modrdn
208 newrdn: %s
209 deleteOldRdn: 1
210 newSuperior: %s""" % (str(from_dn), str(to_rdn), str(to_base)))
211 try:
212 to_dn = to_rdn + to_base
213 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
214 self.samdb.rename(from_dn, to_dn, controls=controls)
215 except Exception, err:
216 self.report("%s : %s" % (msg, err))
217 return False
218 return True
220 def err_empty_attribute(self, dn, attrname):
221 '''fix empty attributes'''
222 self.report("ERROR: Empty attribute %s in %s" % (attrname, dn))
223 if not self.confirm_all('Remove empty attribute %s from %s?' % (attrname, dn), 'remove_all_empty_attributes'):
224 self.report("Not fixing empty attribute %s" % attrname)
225 return
227 m = ldb.Message()
228 m.dn = dn
229 m[attrname] = ldb.MessageElement('', ldb.FLAG_MOD_DELETE, attrname)
230 if self.do_modify(m, ["relax:0", "show_recycled:1"],
231 "Failed to remove empty attribute %s" % attrname, validate=False):
232 self.report("Removed empty attribute %s" % attrname)
234 def err_normalise_mismatch(self, dn, attrname, values):
235 '''fix attribute normalisation errors'''
236 self.report("ERROR: Normalisation error for attribute %s in %s" % (attrname, dn))
237 mod_list = []
238 for val in values:
239 normalised = self.samdb.dsdb_normalise_attributes(
240 self.samdb_schema, attrname, [val])
241 if len(normalised) != 1:
242 self.report("Unable to normalise value '%s'" % val)
243 mod_list.append((val, ''))
244 elif (normalised[0] != val):
245 self.report("value '%s' should be '%s'" % (val, normalised[0]))
246 mod_list.append((val, normalised[0]))
247 if not self.confirm_all('Fix normalisation for %s from %s?' % (attrname, dn), 'fix_all_normalisation'):
248 self.report("Not fixing attribute %s" % attrname)
249 return
251 m = ldb.Message()
252 m.dn = dn
253 for i in range(0, len(mod_list)):
254 (val, nval) = mod_list[i]
255 m['value_%u' % i] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
256 if nval != '':
257 m['normv_%u' % i] = ldb.MessageElement(nval, ldb.FLAG_MOD_ADD,
258 attrname)
260 if self.do_modify(m, ["relax:0", "show_recycled:1"],
261 "Failed to normalise attribute %s" % attrname,
262 validate=False):
263 self.report("Normalised attribute %s" % attrname)
265 def err_normalise_mismatch_replace(self, dn, attrname, values):
266 '''fix attribute normalisation errors'''
267 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, values)
268 self.report("ERROR: Normalisation error for attribute '%s' in '%s'" % (attrname, dn))
269 self.report("Values/Order of values do/does not match: %s/%s!" % (values, list(normalised)))
270 if list(normalised) == values:
271 return
272 if not self.confirm_all("Fix normalisation for '%s' from '%s'?" % (attrname, dn), 'fix_all_normalisation'):
273 self.report("Not fixing attribute '%s'" % attrname)
274 return
276 m = ldb.Message()
277 m.dn = dn
278 m[attrname] = ldb.MessageElement(normalised, ldb.FLAG_MOD_REPLACE, attrname)
280 if self.do_modify(m, ["relax:0", "show_recycled:1"],
281 "Failed to normalise attribute %s" % attrname,
282 validate=False):
283 self.report("Normalised attribute %s" % attrname)
285 def is_deleted_objects_dn(self, dsdb_dn):
286 '''see if a dsdb_Dn is the special Deleted Objects DN'''
287 return dsdb_dn.prefix == "B:32:%s:" % dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER
289 def err_missing_objectclass(self, dn):
290 """handle object without objectclass"""
291 self.report("ERROR: missing objectclass in object %s. If you have another working DC, please run 'samba-tool drs replicate --full-sync --local <destinationDC> <sourceDC> %s'" % (dn, self.samdb.get_nc_root(dn)))
292 if not self.confirm_all("If you cannot re-sync from another DC, do you wish to delete object '%s'?" % dn, 'fix_all_missing_objectclass'):
293 self.report("Not deleting object with missing objectclass '%s'" % dn)
294 return
295 if self.do_delete(dn, ["relax:0"],
296 "Failed to remove DN %s" % dn):
297 self.report("Removed DN %s" % dn)
299 def err_deleted_dn(self, dn, attrname, val, dsdb_dn, correct_dn):
300 """handle a DN pointing to a deleted object"""
301 self.report("ERROR: target DN is deleted for %s in object %s - %s" % (attrname, dn, val))
302 self.report("Target GUID points at deleted DN %s" % correct_dn)
303 if not self.confirm_all('Remove DN link?', 'remove_all_deleted_DN_links'):
304 self.report("Not removing")
305 return
306 m = ldb.Message()
307 m.dn = dn
308 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
309 if self.do_modify(m, ["show_recycled:1", "local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK],
310 "Failed to remove deleted DN attribute %s" % attrname):
311 self.report("Removed deleted DN on attribute %s" % attrname)
313 def err_missing_dn_GUID(self, dn, attrname, val, dsdb_dn):
314 """handle a missing target DN (both GUID and DN string form are missing)"""
315 # check if its a backlink
316 linkID = self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)
317 if (linkID & 1 == 0) and str(dsdb_dn).find('\\0ADEL') == -1:
318 self.report("Not removing dangling forward link")
319 return
320 self.err_deleted_dn(dn, attrname, val, dsdb_dn, dsdb_dn)
322 def err_incorrect_dn_GUID(self, dn, attrname, val, dsdb_dn, errstr):
323 """handle a missing GUID extended DN component"""
324 self.report("ERROR: %s component for %s in object %s - %s" % (errstr, attrname, dn, val))
325 controls=["extended_dn:1:1", "show_recycled:1"]
326 try:
327 res = self.samdb.search(base=str(dsdb_dn.dn), scope=ldb.SCOPE_BASE,
328 attrs=[], controls=controls)
329 except ldb.LdbError, (enum, estr):
330 self.report("unable to find object for DN %s - (%s)" % (dsdb_dn.dn, estr))
331 self.err_missing_dn_GUID(dn, attrname, val, dsdb_dn)
332 return
333 if len(res) == 0:
334 self.report("unable to find object for DN %s" % dsdb_dn.dn)
335 self.err_missing_dn_GUID(dn, attrname, val, dsdb_dn)
336 return
337 dsdb_dn.dn = res[0].dn
339 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_DN_GUIDs'):
340 self.report("Not fixing %s" % errstr)
341 return
342 m = ldb.Message()
343 m.dn = dn
344 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
345 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
347 if self.do_modify(m, ["show_recycled:1"],
348 "Failed to fix %s on attribute %s" % (errstr, attrname)):
349 self.report("Fixed %s on attribute %s" % (errstr, attrname))
351 def err_incorrect_binary_dn(self, dn, attrname, val, dsdb_dn, errstr):
352 """handle an incorrect binary DN component"""
353 self.report("ERROR: %s binary component for %s in object %s - %s" % (errstr, attrname, dn, val))
354 controls=["extended_dn:1:1", "show_recycled:1"]
356 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_binary_dn'):
357 self.report("Not fixing %s" % errstr)
358 return
359 m = ldb.Message()
360 m.dn = dn
361 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
362 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
364 if self.do_modify(m, ["show_recycled:1"],
365 "Failed to fix %s on attribute %s" % (errstr, attrname)):
366 self.report("Fixed %s on attribute %s" % (errstr, attrname))
368 def err_dn_target_mismatch(self, dn, attrname, val, dsdb_dn, correct_dn, errstr):
369 """handle a DN string being incorrect"""
370 self.report("ERROR: incorrect DN string component for %s in object %s - %s" % (attrname, dn, val))
371 dsdb_dn.dn = correct_dn
373 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_target_mismatch'):
374 self.report("Not fixing %s" % errstr)
375 return
376 m = ldb.Message()
377 m.dn = dn
378 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
379 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
380 if self.do_modify(m, ["show_recycled:1"],
381 "Failed to fix incorrect DN string on attribute %s" % attrname):
382 self.report("Fixed incorrect DN string on attribute %s" % (attrname))
384 def err_unknown_attribute(self, obj, attrname):
385 '''handle an unknown attribute error'''
386 self.report("ERROR: unknown attribute '%s' in %s" % (attrname, obj.dn))
387 if not self.confirm_all('Remove unknown attribute %s' % attrname, 'remove_all_unknown_attributes'):
388 self.report("Not removing %s" % attrname)
389 return
390 m = ldb.Message()
391 m.dn = obj.dn
392 m['old_value'] = ldb.MessageElement([], ldb.FLAG_MOD_DELETE, attrname)
393 if self.do_modify(m, ["relax:0", "show_recycled:1"],
394 "Failed to remove unknown attribute %s" % attrname):
395 self.report("Removed unknown attribute %s" % (attrname))
397 def err_missing_backlink(self, obj, attrname, val, backlink_name, target_dn):
398 '''handle a missing backlink value'''
399 self.report("ERROR: missing backlink attribute '%s' in %s for link %s in %s" % (backlink_name, target_dn, attrname, obj.dn))
400 if not self.confirm_all('Fix missing backlink %s' % backlink_name, 'fix_all_missing_backlinks'):
401 self.report("Not fixing missing backlink %s" % backlink_name)
402 return
403 m = ldb.Message()
404 m.dn = obj.dn
405 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
406 m['new_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_ADD, attrname)
407 if self.do_modify(m, ["show_recycled:1"],
408 "Failed to fix missing backlink %s" % backlink_name):
409 self.report("Fixed missing backlink %s" % (backlink_name))
411 def err_incorrect_rmd_flags(self, obj, attrname, revealed_dn):
412 '''handle a incorrect RMD_FLAGS value'''
413 rmd_flags = int(revealed_dn.dn.get_extended_component("RMD_FLAGS"))
414 self.report("ERROR: incorrect RMD_FLAGS value %u for attribute '%s' in %s for link %s" % (rmd_flags, attrname, obj.dn, revealed_dn.dn.extended_str()))
415 if not self.confirm_all('Fix incorrect RMD_FLAGS %u' % rmd_flags, 'fix_rmd_flags'):
416 self.report("Not fixing incorrect RMD_FLAGS %u" % rmd_flags)
417 return
418 m = ldb.Message()
419 m.dn = obj.dn
420 m['old_value'] = ldb.MessageElement(str(revealed_dn), ldb.FLAG_MOD_DELETE, attrname)
421 if self.do_modify(m, ["show_recycled:1", "reveal_internals:0", "show_deleted:0"],
422 "Failed to fix incorrect RMD_FLAGS %u" % rmd_flags):
423 self.report("Fixed incorrect RMD_FLAGS %u" % (rmd_flags))
425 def err_orphaned_backlink(self, obj, attrname, val, link_name, target_dn):
426 '''handle a orphaned backlink value'''
427 self.report("ERROR: orphaned backlink attribute '%s' in %s for link %s in %s" % (attrname, obj.dn, link_name, target_dn))
428 if not self.confirm_all('Remove orphaned backlink %s' % link_name, 'fix_all_orphaned_backlinks'):
429 self.report("Not removing orphaned backlink %s" % link_name)
430 return
431 m = ldb.Message()
432 m.dn = obj.dn
433 m['value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
434 if self.do_modify(m, ["show_recycled:1", "relax:0"],
435 "Failed to fix orphaned backlink %s" % link_name):
436 self.report("Fixed orphaned backlink %s" % (link_name))
438 def err_no_fsmoRoleOwner(self, obj):
439 '''handle a missing fSMORoleOwner'''
440 self.report("ERROR: fSMORoleOwner not found for role %s" % (obj.dn))
441 res = self.samdb.search("",
442 scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
443 assert len(res) == 1
444 serviceName = res[0]["dsServiceName"][0]
445 if not self.confirm_all('Sieze role %s onto current DC by adding fSMORoleOwner=%s' % (obj.dn, serviceName), 'seize_fsmo_role'):
446 self.report("Not Siezing role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
447 return
448 m = ldb.Message()
449 m.dn = obj.dn
450 m['value'] = ldb.MessageElement(serviceName, ldb.FLAG_MOD_ADD, 'fSMORoleOwner')
451 if self.do_modify(m, [],
452 "Failed to sieze role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName)):
453 self.report("Siezed role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
455 def err_missing_parent(self, obj):
456 '''handle a missing parent'''
457 self.report("ERROR: parent object not found for %s" % (obj.dn))
458 if not self.confirm_all('Move object %s into LostAndFound?' % (obj.dn), 'move_to_lost_and_found'):
459 self.report('Not moving object %s into LostAndFound' % (obj.dn))
460 return
462 keep_transaction = True
463 self.samdb.transaction_start()
464 try:
465 nc_root = self.samdb.get_nc_root(obj.dn);
466 lost_and_found = self.samdb.get_wellknown_dn(nc_root, dsdb.DS_GUID_LOSTANDFOUND_CONTAINER)
467 new_dn = ldb.Dn(self.samdb, str(obj.dn))
468 new_dn.remove_base_components(len(new_dn) - 1)
469 if self.do_rename(obj.dn, new_dn, lost_and_found, ["show_deleted:0", "relax:0"],
470 "Failed to rename object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found)):
471 self.report("Renamed object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found))
473 m = ldb.Message()
474 m.dn = obj.dn
475 m['lastKnownParent'] = ldb.MessageElement(str(obj.dn.parent()), ldb.FLAG_MOD_REPLACE, 'lastKnownParent')
477 if self.do_modify(m, [],
478 "Failed to set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found)):
479 self.report("Set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found))
480 keep_transaction = True
481 except:
482 self.samdb.transaction_cancel()
483 raise
485 if keep_transaction:
486 self.samdb.transaction_commit()
487 else:
488 self.samdb.transaction_cancel()
490 def err_wrong_dn(self, obj, new_dn, rdn_attr, rdn_val, name_val):
491 '''handle a wrong dn'''
493 new_rdn = ldb.Dn(self.samdb, str(new_dn))
494 new_rdn.remove_base_components(len(new_rdn) - 1)
495 new_parent = new_dn.parent()
497 attributes = ""
498 if rdn_val != name_val:
499 attributes += "%s=%r " % (rdn_attr, rdn_val)
500 attributes += "name=%r" % (name_val)
502 self.report("ERROR: wrong dn[%s] %s new_dn[%s]" % (obj.dn, attributes, new_dn))
503 if not self.confirm_all("Rename %s to %s?" % (obj.dn, new_dn), 'fix_dn'):
504 self.report("Not renaming %s to %s" % (obj.dn, new_dn))
505 return
507 if self.do_rename(obj.dn, new_rdn, new_parent, ["show_recycled:1", "relax:0"],
508 "Failed to rename object %s into %s" % (obj.dn, new_dn)):
509 self.report("Renamed %s into %s" % (obj.dn, new_dn))
511 def err_wrong_instancetype(self, obj, calculated_instancetype):
512 '''handle a wrong instanceType'''
513 self.report("ERROR: wrong instanceType %s on %s, should be %d" % (obj["instanceType"], obj.dn, calculated_instancetype))
514 if not self.confirm_all('Change instanceType from %s to %d on %s?' % (obj["instanceType"], calculated_instancetype, obj.dn), 'fix_instancetype'):
515 self.report('Not changing instanceType from %s to %d on %s' % (obj["instanceType"], calculated_instancetype, obj.dn))
516 return
518 m = ldb.Message()
519 m.dn = obj.dn
520 m['value'] = ldb.MessageElement(str(calculated_instancetype), ldb.FLAG_MOD_REPLACE, 'instanceType')
521 if self.do_modify(m, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA],
522 "Failed to correct missing instanceType on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype)):
523 self.report("Corrected instancetype on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype))
525 def find_revealed_link(self, dn, attrname, guid):
526 '''return a revealed link in an object'''
527 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[attrname],
528 controls=["show_deleted:0", "extended_dn:0", "reveal_internals:0"])
529 syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
530 for val in res[0][attrname]:
531 dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
532 guid2 = dsdb_dn.dn.get_extended_component("GUID")
533 if guid == guid2:
534 return dsdb_dn
535 return None
537 def check_dn(self, obj, attrname, syntax_oid):
538 '''check a DN attribute for correctness'''
539 error_count = 0
540 for val in obj[attrname]:
541 dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
543 # all DNs should have a GUID component
544 guid = dsdb_dn.dn.get_extended_component("GUID")
545 if guid is None:
546 error_count += 1
547 self.err_incorrect_dn_GUID(obj.dn, attrname, val, dsdb_dn,
548 "missing GUID")
549 continue
551 guidstr = str(misc.GUID(guid))
553 attrs = ['isDeleted']
555 if (str(attrname).lower() == 'msds-hasinstantiatedncs') and (obj.dn == self.ntds_dsa):
556 fixing_msDS_HasInstantiatedNCs = True
557 attrs.append("instanceType")
558 else:
559 fixing_msDS_HasInstantiatedNCs = False
561 linkID = self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)
562 reverse_link_name = self.samdb_schema.get_backlink_from_lDAPDisplayName(attrname)
563 if reverse_link_name is not None:
564 attrs.append(reverse_link_name)
566 # check its the right GUID
567 try:
568 res = self.samdb.search(base="<GUID=%s>" % guidstr, scope=ldb.SCOPE_BASE,
569 attrs=attrs, controls=["extended_dn:1:1", "show_recycled:1"])
570 except ldb.LdbError, (enum, estr):
571 error_count += 1
572 self.err_incorrect_dn_GUID(obj.dn, attrname, val, dsdb_dn, "incorrect GUID")
573 continue
575 if fixing_msDS_HasInstantiatedNCs:
576 dsdb_dn.prefix = "B:8:%08X:" % int(res[0]['instanceType'][0])
577 dsdb_dn.binary = "%08X" % int(res[0]['instanceType'][0])
579 if str(dsdb_dn) != val:
580 error_count +=1
581 self.err_incorrect_binary_dn(obj.dn, attrname, val, dsdb_dn, "incorrect instanceType part of Binary DN")
582 continue
584 # now we have two cases - the source object might or might not be deleted
585 is_deleted = 'isDeleted' in obj and obj['isDeleted'][0].upper() == 'TRUE'
586 target_is_deleted = 'isDeleted' in res[0] and res[0]['isDeleted'][0].upper() == 'TRUE'
588 # the target DN is not allowed to be deleted, unless the target DN is the
589 # special Deleted Objects container
590 if target_is_deleted and not is_deleted and not self.is_deleted_objects_dn(dsdb_dn):
591 error_count += 1
592 self.err_deleted_dn(obj.dn, attrname, val, dsdb_dn, res[0].dn)
593 continue
595 # check the DN matches in string form
596 if res[0].dn.extended_str() != dsdb_dn.dn.extended_str():
597 error_count += 1
598 self.err_dn_target_mismatch(obj.dn, attrname, val, dsdb_dn,
599 res[0].dn, "incorrect string version of DN")
600 continue
602 if is_deleted and not target_is_deleted and reverse_link_name is not None:
603 revealed_dn = self.find_revealed_link(obj.dn, attrname, guid)
604 rmd_flags = revealed_dn.dn.get_extended_component("RMD_FLAGS")
605 if rmd_flags is not None and (int(rmd_flags) & 1) == 0:
606 # the RMD_FLAGS for this link should be 1, as the target is deleted
607 self.err_incorrect_rmd_flags(obj, attrname, revealed_dn)
608 continue
610 # check the reverse_link is correct if there should be one
611 if reverse_link_name is not None:
612 match_count = 0
613 if reverse_link_name in res[0]:
614 for v in res[0][reverse_link_name]:
615 if v == obj.dn.extended_str():
616 match_count += 1
617 if match_count != 1:
618 error_count += 1
619 if linkID & 1:
620 self.err_orphaned_backlink(obj, attrname, val, reverse_link_name, dsdb_dn.dn)
621 else:
622 self.err_missing_backlink(obj, attrname, val, reverse_link_name, dsdb_dn.dn)
623 continue
625 return error_count
628 def get_originating_time(self, val, attid):
629 '''Read metadata properties and return the originating time for
630 a given attributeId.
632 :return: the originating time or 0 if not found
635 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
636 obj = repl.ctr
638 for o in repl.ctr.array:
639 if o.attid == attid:
640 return o.originating_change_time
642 return 0
644 def process_metadata(self, val):
645 '''Read metadata properties and list attributes in it'''
647 list_att = []
649 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
650 obj = repl.ctr
652 for o in repl.ctr.array:
653 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
654 list_att.append(att.lower())
656 return list_att
659 def fix_metadata(self, dn, attr):
660 '''re-write replPropertyMetaData elements for a single attribute for a
661 object. This is used to fix missing replPropertyMetaData elements'''
662 res = self.samdb.search(base = dn, scope=ldb.SCOPE_BASE, attrs = [attr],
663 controls = ["search_options:1:2", "show_recycled:1"])
664 msg = res[0]
665 nmsg = ldb.Message()
666 nmsg.dn = dn
667 nmsg[attr] = ldb.MessageElement(msg[attr], ldb.FLAG_MOD_REPLACE, attr)
668 if self.do_modify(nmsg, ["relax:0", "provision:0", "show_recycled:1"],
669 "Failed to fix metadata for attribute %s" % attr):
670 self.report("Fixed metadata for attribute %s" % attr)
672 def ace_get_effective_inherited_type(self, ace):
673 if ace.flags & security.SEC_ACE_FLAG_INHERIT_ONLY:
674 return None
676 check = False
677 if ace.type == security.SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT:
678 check = True
679 elif ace.type == security.SEC_ACE_TYPE_ACCESS_DENIED_OBJECT:
680 check = True
681 elif ace.type == security.SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT:
682 check = True
683 elif ace.type == security.SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT:
684 check = True
686 if not check:
687 return None
689 if not ace.object.flags & security.SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT:
690 return None
692 return str(ace.object.inherited_type)
694 def lookup_class_schemaIDGUID(self, cls):
695 if cls in self.class_schemaIDGUID:
696 return self.class_schemaIDGUID[cls]
698 flt = "(&(ldapDisplayName=%s)(objectClass=classSchema))" % cls
699 res = self.samdb.search(base=self.schema_dn,
700 expression=flt,
701 attrs=["schemaIDGUID"])
702 t = str(ndr_unpack(misc.GUID, res[0]["schemaIDGUID"][0]))
704 self.class_schemaIDGUID[cls] = t
705 return t
707 def process_sd(self, dn, obj):
708 sd_attr = "nTSecurityDescriptor"
709 sd_val = obj[sd_attr]
711 sd = ndr_unpack(security.descriptor, str(sd_val))
713 is_deleted = 'isDeleted' in obj and obj['isDeleted'][0].upper() == 'TRUE'
714 if is_deleted:
715 # we don't fix deleted objects
716 return (sd, None)
718 sd_clean = security.descriptor()
719 sd_clean.owner_sid = sd.owner_sid
720 sd_clean.group_sid = sd.group_sid
721 sd_clean.type = sd.type
722 sd_clean.revision = sd.revision
724 broken = False
725 last_inherited_type = None
727 aces = []
728 if sd.sacl is not None:
729 aces = sd.sacl.aces
730 for i in range(0, len(aces)):
731 ace = aces[i]
733 if not ace.flags & security.SEC_ACE_FLAG_INHERITED_ACE:
734 sd_clean.sacl_add(ace)
735 continue
737 t = self.ace_get_effective_inherited_type(ace)
738 if t is None:
739 continue
741 if last_inherited_type is not None:
742 if t != last_inherited_type:
743 # if it inherited from more than
744 # one type it's very likely to be broken
746 # If not the recalculation will calculate
747 # the same result.
748 broken = True
749 continue
751 last_inherited_type = t
753 aces = []
754 if sd.dacl is not None:
755 aces = sd.dacl.aces
756 for i in range(0, len(aces)):
757 ace = aces[i]
759 if not ace.flags & security.SEC_ACE_FLAG_INHERITED_ACE:
760 sd_clean.dacl_add(ace)
761 continue
763 t = self.ace_get_effective_inherited_type(ace)
764 if t is None:
765 continue
767 if last_inherited_type is not None:
768 if t != last_inherited_type:
769 # if it inherited from more than
770 # one type it's very likely to be broken
772 # If not the recalculation will calculate
773 # the same result.
774 broken = True
775 continue
777 last_inherited_type = t
779 if broken:
780 return (sd_clean, sd)
782 if last_inherited_type is None:
783 # ok
784 return (sd, None)
786 cls = None
787 try:
788 cls = obj["objectClass"][-1]
789 except KeyError, e:
790 pass
792 if cls is None:
793 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
794 attrs=["isDeleted", "objectClass"],
795 controls=["show_recycled:1"])
796 o = res[0]
797 is_deleted = 'isDeleted' in o and o['isDeleted'][0].upper() == 'TRUE'
798 if is_deleted:
799 # we don't fix deleted objects
800 return (sd, None)
801 cls = o["objectClass"][-1]
803 t = self.lookup_class_schemaIDGUID(cls)
805 if t != last_inherited_type:
806 # broken
807 return (sd_clean, sd)
809 # ok
810 return (sd, None)
812 def err_wrong_sd(self, dn, sd, sd_broken):
813 '''re-write the SD due to incorrect inherited ACEs'''
814 sd_attr = "nTSecurityDescriptor"
815 sd_val = ndr_pack(sd)
816 sd_flags = security.SECINFO_DACL | security.SECINFO_SACL
818 if not self.confirm_all('Fix %s on %s?' % (sd_attr, dn), 'fix_ntsecuritydescriptor'):
819 self.report('Not fixing %s on %s\n' % (sd_attr, dn))
820 return
822 nmsg = ldb.Message()
823 nmsg.dn = dn
824 nmsg[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
825 if self.do_modify(nmsg, ["sd_flags:1:%d" % sd_flags],
826 "Failed to fix attribute %s" % sd_attr):
827 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
829 def err_wrong_default_sd(self, dn, sd, sd_old, diff):
830 '''re-write the SD due to not matching the default (optional mode for fixing an incorrect provision)'''
831 sd_attr = "nTSecurityDescriptor"
832 sd_val = ndr_pack(sd)
833 sd_old_val = ndr_pack(sd_old)
834 sd_flags = security.SECINFO_DACL | security.SECINFO_SACL
835 if sd.owner_sid is not None:
836 sd_flags |= security.SECINFO_OWNER
837 if sd.group_sid is not None:
838 sd_flags |= security.SECINFO_GROUP
840 if not self.confirm_all('Reset %s on %s back to provision default?\n%s' % (sd_attr, dn, diff), 'reset_all_well_known_acls'):
841 self.report('Not resetting %s on %s\n' % (sd_attr, dn))
842 return
844 m = ldb.Message()
845 m.dn = dn
846 m[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
847 if self.do_modify(m, ["sd_flags:1:%d" % sd_flags],
848 "Failed to reset attribute %s" % sd_attr):
849 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
851 def err_missing_sd_owner(self, dn, sd):
852 '''re-write the SD due to a missing owner or group'''
853 sd_attr = "nTSecurityDescriptor"
854 sd_val = ndr_pack(sd)
855 sd_flags = security.SECINFO_OWNER | security.SECINFO_GROUP
857 if not self.confirm_all('Fix missing owner or group in %s on %s?' % (sd_attr, dn), 'fix_ntsecuritydescriptor_owner_group'):
858 self.report('Not fixing missing owner or group %s on %s\n' % (sd_attr, dn))
859 return
861 nmsg = ldb.Message()
862 nmsg.dn = dn
863 nmsg[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
865 # By setting the session_info to admin_session_info and
866 # setting the security.SECINFO_OWNER | security.SECINFO_GROUP
867 # flags we cause the descriptor module to set the correct
868 # owner and group on the SD, replacing the None/NULL values
869 # for owner_sid and group_sid currently present.
871 # The admin_session_info matches that used in provision, and
872 # is the best guess we can make for an existing object that
873 # hasn't had something specifically set.
875 # This is important for the dns related naming contexts.
876 self.samdb.set_session_info(self.admin_session_info)
877 if self.do_modify(nmsg, ["sd_flags:1:%d" % sd_flags],
878 "Failed to fix metadata for attribute %s" % sd_attr):
879 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
880 self.samdb.set_session_info(self.system_session_info)
883 def has_replmetadata_zero_invocationid(self, dn, repl_meta_data):
884 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
885 str(repl_meta_data))
886 ctr = repl.ctr
887 found = False
888 for o in ctr.array:
889 # Search for a zero invocationID
890 if o.originating_invocation_id != misc.GUID("00000000-0000-0000-0000-000000000000"):
891 continue
893 found = True
894 self.report('''ERROR: on replPropertyMetaData of %s, the instanceType on attribute 0x%08x,
895 version %d changed at %s is 00000000-0000-0000-0000-000000000000,
896 but should be non-zero. Proposed fix is to set to our invocationID (%s).'''
897 % (dn, o.attid, o.version,
898 time.ctime(samba.nttime2unix(o.originating_change_time)),
899 self.samdb.get_invocation_id()))
901 return found
904 def err_replmetadata_zero_invocationid(self, dn, attr, repl_meta_data):
905 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
906 str(repl_meta_data))
907 ctr = repl.ctr
908 now = samba.unix2nttime(int(time.time()))
909 found = False
910 for o in ctr.array:
911 # Search for a zero invocationID
912 if o.originating_invocation_id != misc.GUID("00000000-0000-0000-0000-000000000000"):
913 continue
915 found = True
916 seq = self.samdb.sequence_number(ldb.SEQ_NEXT)
917 o.version = o.version + 1
918 o.originating_change_time = now
919 o.originating_invocation_id = misc.GUID(self.samdb.get_invocation_id())
920 o.originating_usn = seq
921 o.local_usn = seq
923 if found:
924 replBlob = ndr_pack(repl)
925 msg = ldb.Message()
926 msg.dn = dn
928 if not self.confirm_all('Fix %s on %s by setting originating_invocation_id on some elements to our invocationID %s?'
929 % (attr, dn, self.samdb.get_invocation_id()), 'fix_replmetadata_zero_invocationid'):
930 self.report('Not fixing %s on %s\n' % (attr, dn))
931 return
933 nmsg = ldb.Message()
934 nmsg.dn = dn
935 nmsg[attr] = ldb.MessageElement(replBlob, ldb.FLAG_MOD_REPLACE, attr)
936 if self.do_modify(nmsg, ["local_oid:1.3.6.1.4.1.7165.4.3.14:0"],
937 "Failed to fix attribute %s" % attr):
938 self.report("Fixed attribute '%s' of '%s'\n" % (attr, dn))
941 def is_deleted_deleted_objects(self, obj):
942 faulty = False
943 if "description" not in obj:
944 self.report("ERROR: description not present on Deleted Objects container %s" % obj.dn)
945 faulty = True
946 if "showInAdvancedViewOnly" not in obj:
947 self.report("ERROR: showInAdvancedViewOnly not present on Deleted Objects container %s" % obj.dn)
948 faulty = True
949 if "objectCategory" not in obj:
950 self.report("ERROR: objectCategory not present on Deleted Objects container %s" % obj.dn)
951 faulty = True
952 if "isCriticalSystemObject" not in obj:
953 self.report("ERROR: isCriticalSystemObject not present on Deleted Objects container %s" % obj.dn)
954 faulty = True
955 if "isRecycled" in obj:
956 self.report("ERROR: isRecycled present on Deleted Objects container %s" % obj.dn)
957 faulty = True
958 return faulty
961 def err_deleted_deleted_objects(self, obj):
962 nmsg = ldb.Message()
963 nmsg.dn = dn = obj.dn
965 if "description" not in obj:
966 nmsg["description"] = ldb.MessageElement("Container for deleted objects", ldb.FLAG_MOD_REPLACE, "description")
967 if "showInAdvancedViewOnly" not in obj:
968 nmsg["showInAdvancedViewOnly"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "showInAdvancedViewOnly")
969 if "objectCategory" not in obj:
970 nmsg["objectCategory"] = ldb.MessageElement("CN=Container,%s" % self.schema_dn, ldb.FLAG_MOD_REPLACE, "objectCategory")
971 if "isCriticalSystemObject" not in obj:
972 nmsg["isCriticalSystemObject"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isCriticalSystemObject")
973 if "isRecycled" in obj:
974 nmsg["isRecycled"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_DELETE, "isRecycled")
976 if not self.confirm_all('Fix Deleted Objects container %s by restoring default attributes?'
977 % (dn), 'fix_deleted_deleted_objects'):
978 self.report('Not fixing missing/incorrect attributes on %s\n' % (dn))
979 return
981 if self.do_modify(nmsg, ["relax:0"],
982 "Failed to fix Deleted Objects container %s" % dn):
983 self.report("Fixed Deleted Objects container '%s'\n" % (dn))
986 def is_fsmo_role(self, dn):
987 if dn == self.samdb.domain_dn:
988 return True
989 if dn == self.infrastructure_dn:
990 return True
991 if dn == self.naming_dn:
992 return True
993 if dn == self.schema_dn:
994 return True
995 if dn == self.rid_dn:
996 return True
998 return False
1000 def calculate_instancetype(self, dn):
1001 instancetype = 0
1002 nc_root = self.samdb.get_nc_root(dn)
1003 if dn == nc_root:
1004 instancetype |= dsdb.INSTANCE_TYPE_IS_NC_HEAD
1005 try:
1006 self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE, attrs=[], controls=["show_recycled:1"])
1007 except ldb.LdbError, (enum, estr):
1008 if enum != ldb.ERR_NO_SUCH_OBJECT:
1009 raise
1010 else:
1011 instancetype |= dsdb.INSTANCE_TYPE_NC_ABOVE
1013 if self.write_ncs is not None and str(nc_root) in self.write_ncs:
1014 instancetype |= dsdb.INSTANCE_TYPE_WRITE
1016 return instancetype
1018 def get_wellknown_sd(self, dn):
1019 for [sd_dn, descriptor_fn] in self.wellknown_sds:
1020 if dn == sd_dn:
1021 domain_sid = security.dom_sid(self.samdb.get_domain_sid())
1022 return ndr_unpack(security.descriptor,
1023 descriptor_fn(domain_sid,
1024 name_map=self.name_map))
1026 raise KeyError
1028 def check_object(self, dn, attrs=['*']):
1029 '''check one object'''
1030 if self.verbose:
1031 self.report("Checking object %s" % dn)
1032 if "dn" in map(str.lower, attrs):
1033 attrs.append("name")
1034 if "distinguishedname" in map(str.lower, attrs):
1035 attrs.append("name")
1036 if str(dn.get_rdn_name()).lower() in map(str.lower, attrs):
1037 attrs.append("name")
1038 if 'name' in map(str.lower, attrs):
1039 attrs.append(dn.get_rdn_name())
1040 attrs.append("isDeleted")
1041 attrs.append("systemFlags")
1042 if '*' in attrs:
1043 attrs.append("replPropertyMetaData")
1045 try:
1046 sd_flags = 0
1047 sd_flags |= security.SECINFO_OWNER
1048 sd_flags |= security.SECINFO_GROUP
1049 sd_flags |= security.SECINFO_DACL
1050 sd_flags |= security.SECINFO_SACL
1052 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
1053 controls=[
1054 "extended_dn:1:1",
1055 "show_recycled:1",
1056 "show_deleted:1",
1057 "sd_flags:1:%d" % sd_flags,
1059 attrs=attrs)
1060 except ldb.LdbError, (enum, estr):
1061 if enum == ldb.ERR_NO_SUCH_OBJECT:
1062 if self.in_transaction:
1063 self.report("ERROR: Object %s disappeared during check" % dn)
1064 return 1
1065 return 0
1066 raise
1067 if len(res) != 1:
1068 self.report("ERROR: Object %s failed to load during check" % dn)
1069 return 1
1070 obj = res[0]
1071 error_count = 0
1072 list_attrs_from_md = []
1073 list_attrs_seen = []
1074 got_repl_property_meta_data = False
1075 got_objectclass = False
1077 nc_dn = self.samdb.get_nc_root(obj.dn)
1078 try:
1079 deleted_objects_dn = self.samdb.get_wellknown_dn(nc_dn,
1080 samba.dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER)
1081 except KeyError, e:
1082 deleted_objects_dn = ldb.Dn(self.samdb, "CN=Deleted Objects,%s" % nc_dn)
1084 object_rdn_attr = None
1085 object_rdn_val = None
1086 name_val = None
1087 isDeleted = False
1088 systemFlags = 0
1090 for attrname in obj:
1091 if attrname == 'dn':
1092 continue
1094 if str(attrname).lower() == 'objectclass':
1095 got_objectclass = True
1097 if str(attrname).lower() == "name":
1098 if len(obj[attrname]) != 1:
1099 error_count += 1
1100 self.report("ERROR: Not fixing num_values(%d) for '%s' on '%s'" %
1101 (len(obj[attrname]), attrname, str(obj.dn)))
1102 else:
1103 name_val = obj[attrname][0]
1105 if str(attrname).lower() == str(obj.dn.get_rdn_name()).lower():
1106 object_rdn_attr = attrname
1107 if len(obj[attrname]) != 1:
1108 error_count += 1
1109 self.report("ERROR: Not fixing num_values(%d) for '%s' on '%s'" %
1110 (len(obj[attrname]), attrname, str(obj.dn)))
1111 else:
1112 object_rdn_val = obj[attrname][0]
1114 if str(attrname).lower() == 'isdeleted':
1115 if obj[attrname][0] != "FALSE":
1116 isDeleted = True
1118 if str(attrname).lower() == 'systemflags':
1119 systemFlags = int(obj[attrname][0])
1121 if str(attrname).lower() == 'replpropertymetadata':
1122 if self.has_replmetadata_zero_invocationid(dn, obj[attrname]):
1123 error_count += 1
1124 self.err_replmetadata_zero_invocationid(dn, attrname, obj[attrname])
1125 # We don't continue, as we may also have other fixes for this attribute
1126 # based on what other attributes we see.
1128 list_attrs_from_md = self.process_metadata(obj[attrname])
1129 got_repl_property_meta_data = True
1130 continue
1132 if str(attrname).lower() == 'ntsecuritydescriptor':
1133 (sd, sd_broken) = self.process_sd(dn, obj)
1134 if sd_broken is not None:
1135 self.err_wrong_sd(dn, sd, sd_broken)
1136 error_count += 1
1137 continue
1139 if sd.owner_sid is None or sd.group_sid is None:
1140 self.err_missing_sd_owner(dn, sd)
1141 error_count += 1
1142 continue
1144 if self.reset_well_known_acls:
1145 try:
1146 well_known_sd = self.get_wellknown_sd(dn)
1147 except KeyError:
1148 continue
1150 current_sd = ndr_unpack(security.descriptor,
1151 str(obj[attrname][0]))
1153 diff = get_diff_sds(well_known_sd, current_sd, security.dom_sid(self.samdb.get_domain_sid()))
1154 if diff != "":
1155 self.err_wrong_default_sd(dn, well_known_sd, current_sd, diff)
1156 error_count += 1
1157 continue
1158 continue
1160 if str(attrname).lower() == 'objectclass':
1161 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, list(obj[attrname]))
1162 if list(normalised) != list(obj[attrname]):
1163 self.err_normalise_mismatch_replace(dn, attrname, list(obj[attrname]))
1164 error_count += 1
1165 continue
1167 # check for empty attributes
1168 for val in obj[attrname]:
1169 if val == '':
1170 self.err_empty_attribute(dn, attrname)
1171 error_count += 1
1172 continue
1174 # get the syntax oid for the attribute, so we can can have
1175 # special handling for some specific attribute types
1176 try:
1177 syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
1178 except Exception, msg:
1179 self.err_unknown_attribute(obj, attrname)
1180 error_count += 1
1181 continue
1183 flag = self.samdb_schema.get_systemFlags_from_lDAPDisplayName(attrname)
1184 if (not flag & dsdb.DS_FLAG_ATTR_NOT_REPLICATED
1185 and not flag & dsdb.DS_FLAG_ATTR_IS_CONSTRUCTED
1186 and not self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)):
1187 list_attrs_seen.append(str(attrname).lower())
1189 if syntax_oid in [ dsdb.DSDB_SYNTAX_BINARY_DN, dsdb.DSDB_SYNTAX_OR_NAME,
1190 dsdb.DSDB_SYNTAX_STRING_DN, ldb.SYNTAX_DN ]:
1191 # it's some form of DN, do specialised checking on those
1192 error_count += self.check_dn(obj, attrname, syntax_oid)
1194 # check for incorrectly normalised attributes
1195 for val in obj[attrname]:
1196 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, [val])
1197 if len(normalised) != 1 or normalised[0] != val:
1198 self.err_normalise_mismatch(dn, attrname, obj[attrname])
1199 error_count += 1
1200 break
1202 if str(attrname).lower() == "instancetype":
1203 calculated_instancetype = self.calculate_instancetype(dn)
1204 if len(obj["instanceType"]) != 1 or obj["instanceType"][0] != str(calculated_instancetype):
1205 error_count += 1
1206 self.err_wrong_instancetype(obj, calculated_instancetype)
1208 if not got_objectclass and ("*" in attrs or "objectclass" in map(str.lower, attrs)):
1209 error_count += 1
1210 self.err_missing_objectclass(dn)
1212 if ("*" in attrs or "name" in map(str.lower, attrs)):
1213 if name_val is None:
1214 error_count += 1
1215 self.report("ERROR: Not fixing missing 'name' on '%s'" % (str(obj.dn)))
1216 if object_rdn_attr is None:
1217 error_count += 1
1218 self.report("ERROR: Not fixing missing '%s' on '%s'" % (obj.dn.get_rdn_name(), str(obj.dn)))
1220 if name_val is not None:
1221 parent_dn = None
1222 if isDeleted:
1223 if not (systemFlags & samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE):
1224 parent_dn = deleted_objects_dn
1225 if parent_dn is None:
1226 parent_dn = obj.dn.parent()
1227 expected_dn = ldb.Dn(self.samdb, "RDN=RDN,%s" % (parent_dn))
1228 expected_dn.set_component(0, obj.dn.get_rdn_name(), name_val)
1230 if obj.dn == deleted_objects_dn:
1231 expected_dn = obj.dn
1233 if expected_dn != obj.dn:
1234 error_count += 1
1235 self.err_wrong_dn(obj, expected_dn, object_rdn_attr, object_rdn_val, name_val)
1236 elif obj.dn.get_rdn_value() != object_rdn_val:
1237 error_count += 1
1238 self.report("ERROR: Not fixing %s=%r on '%s'" % (object_rdn_attr, object_rdn_val, str(obj.dn)))
1240 show_dn = True
1241 if got_repl_property_meta_data:
1242 if obj.dn == deleted_objects_dn:
1243 isDeletedAttId = 131120
1244 # It's 29/12/9999 at 23:59:59 UTC as specified in MS-ADTS 7.1.1.4.2 Deleted Objects Container
1246 expectedTimeDo = 2650466015990000000
1247 originating = self.get_originating_time(obj["replPropertyMetaData"], isDeletedAttId)
1248 if originating != expectedTimeDo:
1249 if self.confirm_all("Fix isDeleted originating_change_time on '%s'" % str(dn), 'fix_time_metadata'):
1250 nmsg = ldb.Message()
1251 nmsg.dn = dn
1252 nmsg["isDeleted"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isDeleted")
1253 error_count += 1
1254 self.samdb.modify(nmsg, controls=["provision:0"])
1256 else:
1257 self.report("Not fixing isDeleted originating_change_time on '%s'" % str(dn))
1258 for att in list_attrs_seen:
1259 if not att in list_attrs_from_md:
1260 if show_dn:
1261 self.report("On object %s" % dn)
1262 show_dn = False
1263 error_count += 1
1264 self.report("ERROR: Attribute %s not present in replication metadata" % att)
1265 if not self.confirm_all("Fix missing replPropertyMetaData element '%s'" % att, 'fix_all_metadata'):
1266 self.report("Not fixing missing replPropertyMetaData element '%s'" % att)
1267 continue
1268 self.fix_metadata(dn, att)
1270 if self.is_fsmo_role(dn):
1271 if "fSMORoleOwner" not in obj and ("*" in attrs or "fsmoroleowner" in map(str.lower, attrs)):
1272 self.err_no_fsmoRoleOwner(obj)
1273 error_count += 1
1275 try:
1276 if dn != self.samdb.get_root_basedn():
1277 res = self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE,
1278 controls=["show_recycled:1", "show_deleted:1"])
1279 except ldb.LdbError, (enum, estr):
1280 if enum == ldb.ERR_NO_SUCH_OBJECT:
1281 self.err_missing_parent(obj)
1282 error_count += 1
1283 else:
1284 raise
1286 if dn in self.deleted_objects_containers and '*' in attrs:
1287 if self.is_deleted_deleted_objects(obj):
1288 self.err_deleted_deleted_objects(obj)
1289 error_count += 1
1291 return error_count
1293 ################################################################
1294 # check special @ROOTDSE attributes
1295 def check_rootdse(self):
1296 '''check the @ROOTDSE special object'''
1297 dn = ldb.Dn(self.samdb, '@ROOTDSE')
1298 if self.verbose:
1299 self.report("Checking object %s" % dn)
1300 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE)
1301 if len(res) != 1:
1302 self.report("Object %s disappeared during check" % dn)
1303 return 1
1304 obj = res[0]
1305 error_count = 0
1307 # check that the dsServiceName is in GUID form
1308 if not 'dsServiceName' in obj:
1309 self.report('ERROR: dsServiceName missing in @ROOTDSE')
1310 return error_count+1
1312 if not obj['dsServiceName'][0].startswith('<GUID='):
1313 self.report('ERROR: dsServiceName not in GUID form in @ROOTDSE')
1314 error_count += 1
1315 if not self.confirm('Change dsServiceName to GUID form?'):
1316 return error_count
1317 res = self.samdb.search(base=ldb.Dn(self.samdb, obj['dsServiceName'][0]),
1318 scope=ldb.SCOPE_BASE, attrs=['objectGUID'])
1319 guid_str = str(ndr_unpack(misc.GUID, res[0]['objectGUID'][0]))
1320 m = ldb.Message()
1321 m.dn = dn
1322 m['dsServiceName'] = ldb.MessageElement("<GUID=%s>" % guid_str,
1323 ldb.FLAG_MOD_REPLACE, 'dsServiceName')
1324 if self.do_modify(m, [], "Failed to change dsServiceName to GUID form", validate=False):
1325 self.report("Changed dsServiceName to GUID form")
1326 return error_count
1329 ###############################################
1330 # re-index the database
1331 def reindex_database(self):
1332 '''re-index the whole database'''
1333 m = ldb.Message()
1334 m.dn = ldb.Dn(self.samdb, "@ATTRIBUTES")
1335 m['add'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_ADD, 'force_reindex')
1336 m['delete'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_DELETE, 'force_reindex')
1337 return self.do_modify(m, [], 're-indexed database', validate=False)
1339 ###############################################
1340 # reset @MODULES
1341 def reset_modules(self):
1342 '''reset @MODULES to that needed for current sam.ldb (to read a very old database)'''
1343 m = ldb.Message()
1344 m.dn = ldb.Dn(self.samdb, "@MODULES")
1345 m['@LIST'] = ldb.MessageElement('samba_dsdb', ldb.FLAG_MOD_REPLACE, '@LIST')
1346 return self.do_modify(m, [], 'reset @MODULES on database', validate=False)