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/>.
21 from samba import dsdb
22 from samba import common
23 from samba.dcerpc import misc
24 from samba.ndr import ndr_unpack
25 from samba.dcerpc import drsblobs
26 from samba.common import dsdb_Dn
29 class dbcheck(object):
30 """check a SAM database for errors"""
32 def __init__(self, samdb, samdb_schema=None, verbose=False, fix=False,
33 yes=False, quiet=False, in_transaction=False):
35 self.dict_oid_name = None
36 self.samdb_schema = (samdb_schema or samdb)
37 self.verbose = verbose
41 self.remove_all_unknown_attributes = False
42 self.remove_all_empty_attributes = False
43 self.fix_all_normalisation = False
44 self.fix_all_DN_GUIDs = False
45 self.remove_all_deleted_DN_links = False
46 self.fix_all_target_mismatch = False
47 self.fix_all_metadata = False
48 self.fix_time_metadata = False
49 self.fix_all_missing_backlinks = False
50 self.fix_all_orphaned_backlinks = False
51 self.fix_rmd_flags = False
52 self.seize_fsmo_role = False
53 self.move_to_lost_and_found = False
54 self.fix_instancetype = False
55 self.in_transaction = in_transaction
56 self.infrastructure_dn = ldb.Dn(samdb, "CN=Infrastructure," + samdb.domain_dn())
57 self.naming_dn = ldb.Dn(samdb, "CN=Partitions,%s" % samdb.get_config_basedn())
58 self.schema_dn = samdb.get_schema_basedn()
59 self.rid_dn = ldb.Dn(samdb, "CN=RID Manager$,CN=System," + samdb.domain_dn())
60 self.ntds_dsa = samdb.get_dsServiceName()
62 res = self.samdb.search(base=self.ntds_dsa, scope=ldb.SCOPE_BASE, attrs=['msDS-hasMasterNCs', 'hasMasterNCs'])
63 if "msDS-hasMasterNCs" in res[0]:
64 self.write_ncs = res[0]["msDS-hasMasterNCs"]
66 # If the Forest Level is less than 2003 then there is no
67 # msDS-hasMasterNCs, so we fall back to hasMasterNCs
68 # no need to merge as all the NCs that are in hasMasterNCs must
69 # also be in msDS-hasMasterNCs (but not the opposite)
70 if "hasMasterNCs" in res[0]:
71 self.write_ncs = res[0]["hasMasterNCs"]
76 def check_database(self, DN=None, scope=ldb.SCOPE_SUBTREE, controls=[], attrs=['*']):
77 '''perform a database check, returning the number of errors found'''
79 res = self.samdb.search(base=DN, scope=scope, attrs=['dn'], controls=controls)
80 self.report('Checking %u objects' % len(res))
84 error_count += self.check_object(object.dn, attrs=attrs)
87 error_count += self.check_rootdse()
89 if error_count != 0 and not self.fix:
90 self.report("Please use --fix to fix these errors")
92 self.report('Checked %u objects (%u errors)' % (len(res), error_count))
95 def report(self, msg):
96 '''print a message unless quiet is set'''
100 def confirm(self, msg, allow_all=False, forced=False):
101 '''confirm a change'''
108 return common.confirm(msg, forced=forced, allow_all=allow_all)
110 ################################################################
111 # a local confirm function with support for 'all'
112 def confirm_all(self, msg, all_attr):
113 '''confirm a change with support for "all" '''
118 if getattr(self, all_attr) == 'NONE':
120 if getattr(self, all_attr) == 'ALL':
124 c = common.confirm(msg, forced=forced, allow_all=True)
126 setattr(self, all_attr, 'ALL')
129 setattr(self, all_attr, 'NONE')
133 def do_modify(self, m, controls, msg, validate=True):
134 '''perform a modify with optional verbose output'''
136 self.report(self.samdb.write_ldif(m, ldb.CHANGETYPE_MODIFY))
138 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
139 self.samdb.modify(m, controls=controls, validate=validate)
140 except Exception, err:
141 self.report("%s : %s" % (msg, err))
145 def do_rename(self, from_dn, to_rdn, to_base, controls, msg):
146 '''perform a modify with optional verbose output'''
148 self.report("""dn: %s
152 newSuperior: %s""" % (str(from_dn), str(to_rdn), str(to_base)))
154 to_dn = to_rdn + to_base
155 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
156 self.samdb.rename(from_dn, to_dn, controls=controls)
157 except Exception, err:
158 self.report("%s : %s" % (msg, err))
162 def err_empty_attribute(self, dn, attrname):
163 '''fix empty attributes'''
164 self.report("ERROR: Empty attribute %s in %s" % (attrname, dn))
165 if not self.confirm_all('Remove empty attribute %s from %s?' % (attrname, dn), 'remove_all_empty_attributes'):
166 self.report("Not fixing empty attribute %s" % attrname)
171 m[attrname] = ldb.MessageElement('', ldb.FLAG_MOD_DELETE, attrname)
172 if self.do_modify(m, ["relax:0", "show_recycled:1"],
173 "Failed to remove empty attribute %s" % attrname, validate=False):
174 self.report("Removed empty attribute %s" % attrname)
176 def err_normalise_mismatch(self, dn, attrname, values):
177 '''fix attribute normalisation errors'''
178 self.report("ERROR: Normalisation error for attribute %s in %s" % (attrname, dn))
181 normalised = self.samdb.dsdb_normalise_attributes(
182 self.samdb_schema, attrname, [val])
183 if len(normalised) != 1:
184 self.report("Unable to normalise value '%s'" % val)
185 mod_list.append((val, ''))
186 elif (normalised[0] != val):
187 self.report("value '%s' should be '%s'" % (val, normalised[0]))
188 mod_list.append((val, normalised[0]))
189 if not self.confirm_all('Fix normalisation for %s from %s?' % (attrname, dn), 'fix_all_normalisation'):
190 self.report("Not fixing attribute %s" % attrname)
195 for i in range(0, len(mod_list)):
196 (val, nval) = mod_list[i]
197 m['value_%u' % i] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
199 m['normv_%u' % i] = ldb.MessageElement(nval, ldb.FLAG_MOD_ADD,
202 if self.do_modify(m, ["relax:0", "show_recycled:1"],
203 "Failed to normalise attribute %s" % attrname,
205 self.report("Normalised attribute %s" % attrname)
207 def err_normalise_mismatch_replace(self, dn, attrname, values):
208 '''fix attribute normalisation errors'''
209 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, values)
210 self.report("ERROR: Normalisation error for attribute '%s' in '%s'" % (attrname, dn))
211 self.report("Values/Order of values do/does not match: %s/%s!" % (values, list(normalised)))
212 if list(normalised) == values:
214 if not self.confirm_all("Fix normalisation for '%s' from '%s'?" % (attrname, dn), 'fix_all_normalisation'):
215 self.report("Not fixing attribute '%s'" % attrname)
220 m[attrname] = ldb.MessageElement(normalised, ldb.FLAG_MOD_REPLACE, attrname)
222 if self.do_modify(m, ["relax:0", "show_recycled:1"],
223 "Failed to normalise attribute %s" % attrname,
225 self.report("Normalised attribute %s" % attrname)
227 def is_deleted_objects_dn(self, dsdb_dn):
228 '''see if a dsdb_Dn is the special Deleted Objects DN'''
229 return dsdb_dn.prefix == "B:32:18E2EA80684F11D2B9AA00C04F79F805:"
231 def err_deleted_dn(self, dn, attrname, val, dsdb_dn, correct_dn):
232 """handle a DN pointing to a deleted object"""
233 self.report("ERROR: target DN is deleted for %s in object %s - %s" % (attrname, dn, val))
234 self.report("Target GUID points at deleted DN %s" % correct_dn)
235 if not self.confirm_all('Remove DN link?', 'remove_all_deleted_DN_links'):
236 self.report("Not removing")
240 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
241 if self.do_modify(m, ["show_recycled:1", "local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK],
242 "Failed to remove deleted DN attribute %s" % attrname):
243 self.report("Removed deleted DN on attribute %s" % attrname)
245 def err_missing_dn_GUID(self, dn, attrname, val, dsdb_dn):
246 """handle a missing target DN (both GUID and DN string form are missing)"""
247 # check if its a backlink
248 linkID = self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)
249 if (linkID & 1 == 0) and str(dsdb_dn).find('DEL\\0A') == -1:
250 self.report("Not removing dangling forward link")
252 self.err_deleted_dn(dn, attrname, val, dsdb_dn, dsdb_dn)
254 def err_incorrect_dn_GUID(self, dn, attrname, val, dsdb_dn, errstr):
255 """handle a missing GUID extended DN component"""
256 self.report("ERROR: %s component for %s in object %s - %s" % (errstr, attrname, dn, val))
257 controls=["extended_dn:1:1", "show_recycled:1"]
259 res = self.samdb.search(base=str(dsdb_dn.dn), scope=ldb.SCOPE_BASE,
260 attrs=[], controls=controls)
261 except ldb.LdbError, (enum, estr):
262 self.report("unable to find object for DN %s - (%s)" % (dsdb_dn.dn, estr))
263 self.err_missing_dn_GUID(dn, attrname, val, dsdb_dn)
266 self.report("unable to find object for DN %s" % dsdb_dn.dn)
267 self.err_missing_dn_GUID(dn, attrname, val, dsdb_dn)
269 dsdb_dn.dn = res[0].dn
271 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_DN_GUIDs'):
272 self.report("Not fixing %s" % errstr)
276 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
277 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
279 if self.do_modify(m, ["show_recycled:1"],
280 "Failed to fix %s on attribute %s" % (errstr, attrname)):
281 self.report("Fixed %s on attribute %s" % (errstr, attrname))
283 def err_dn_target_mismatch(self, dn, attrname, val, dsdb_dn, correct_dn, errstr):
284 """handle a DN string being incorrect"""
285 self.report("ERROR: incorrect DN string component for %s in object %s - %s" % (attrname, dn, val))
286 dsdb_dn.dn = correct_dn
288 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_target_mismatch'):
289 self.report("Not fixing %s" % errstr)
293 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
294 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
295 if self.do_modify(m, ["show_recycled:1"],
296 "Failed to fix incorrect DN string on attribute %s" % attrname):
297 self.report("Fixed incorrect DN string on attribute %s" % (attrname))
299 def err_unknown_attribute(self, obj, attrname):
300 '''handle an unknown attribute error'''
301 self.report("ERROR: unknown attribute '%s' in %s" % (attrname, obj.dn))
302 if not self.confirm_all('Remove unknown attribute %s' % attrname, 'remove_all_unknown_attributes'):
303 self.report("Not removing %s" % attrname)
307 m['old_value'] = ldb.MessageElement([], ldb.FLAG_MOD_DELETE, attrname)
308 if self.do_modify(m, ["relax:0", "show_recycled:1"],
309 "Failed to remove unknown attribute %s" % attrname):
310 self.report("Removed unknown attribute %s" % (attrname))
312 def err_missing_backlink(self, obj, attrname, val, backlink_name, target_dn):
313 '''handle a missing backlink value'''
314 self.report("ERROR: missing backlink attribute '%s' in %s for link %s in %s" % (backlink_name, target_dn, attrname, obj.dn))
315 if not self.confirm_all('Fix missing backlink %s' % backlink_name, 'fix_all_missing_backlinks'):
316 self.report("Not fixing missing backlink %s" % backlink_name)
320 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
321 m['new_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_ADD, attrname)
322 if self.do_modify(m, ["show_recycled:1"],
323 "Failed to fix missing backlink %s" % backlink_name):
324 self.report("Fixed missing backlink %s" % (backlink_name))
326 def err_incorrect_rmd_flags(self, obj, attrname, revealed_dn):
327 '''handle a incorrect RMD_FLAGS value'''
328 rmd_flags = int(revealed_dn.dn.get_extended_component("RMD_FLAGS"))
329 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()))
330 if not self.confirm_all('Fix incorrect RMD_FLAGS %u' % rmd_flags, 'fix_rmd_flags'):
331 self.report("Not fixing incorrect RMD_FLAGS %u" % rmd_flags)
335 m['old_value'] = ldb.MessageElement(str(revealed_dn), ldb.FLAG_MOD_DELETE, attrname)
336 if self.do_modify(m, ["show_recycled:1", "reveal_internals:0", "show_deleted:0"],
337 "Failed to fix incorrect RMD_FLAGS %u" % rmd_flags):
338 self.report("Fixed incorrect RMD_FLAGS %u" % (rmd_flags))
340 def err_orphaned_backlink(self, obj, attrname, val, link_name, target_dn):
341 '''handle a orphaned backlink value'''
342 self.report("ERROR: orphaned backlink attribute '%s' in %s for link %s in %s" % (attrname, obj.dn, link_name, target_dn))
343 if not self.confirm_all('Remove orphaned backlink %s' % link_name, 'fix_all_orphaned_backlinks'):
344 self.report("Not removing orphaned backlink %s" % link_name)
348 m['value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
349 if self.do_modify(m, ["show_recycled:1", "relax:0"],
350 "Failed to fix orphaned backlink %s" % link_name):
351 self.report("Fixed orphaned backlink %s" % (link_name))
353 def err_no_fsmoRoleOwner(self, obj):
354 '''handle a missing fSMORoleOwner'''
355 self.report("ERROR: fSMORoleOwner not found for role %s" % (obj.dn))
356 res = self.samdb.search("",
357 scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
359 serviceName = res[0]["dsServiceName"][0]
360 if not self.confirm_all('Sieze role %s onto current DC by adding fSMORoleOwner=%s' % (obj.dn, serviceName), 'seize_fsmo_role'):
361 self.report("Not Siezing role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
365 m['value'] = ldb.MessageElement(serviceName, ldb.FLAG_MOD_ADD, 'fSMORoleOwner')
366 if self.do_modify(m, [],
367 "Failed to sieze role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName)):
368 self.report("Siezed role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
370 def err_missing_parent(self, obj):
371 '''handle a missing parent'''
372 self.report("ERROR: parent object not found for %s" % (obj.dn))
373 if not self.confirm_all('Move object %s into LostAndFound?' % (obj.dn), 'move_to_lost_and_found'):
374 self.report('Not moving object %s into LostAndFound' % (obj.dn))
377 keep_transaction = True
378 self.samdb.transaction_start()
380 nc_root = self.samdb.get_nc_root(obj.dn);
381 lost_and_found = self.samdb.get_wellknown_dn(nc_root, dsdb.DS_GUID_LOSTANDFOUND_CONTAINER)
382 new_dn = ldb.Dn(self.samdb, str(obj.dn))
383 new_dn.remove_base_components(len(new_dn) - 1)
384 if self.do_rename(obj.dn, new_dn, lost_and_found, ["show_deleted:0", "relax:0"],
385 "Failed to rename object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found)):
386 self.report("Renamed object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found))
390 m['lastKnownParent'] = ldb.MessageElement(str(obj.dn.parent()), ldb.FLAG_MOD_REPLACE, 'lastKnownParent')
392 if self.do_modify(m, [],
393 "Failed to set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found)):
394 self.report("Set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found))
395 keep_transaction = True
397 self.samdb.transaction_cancel()
401 self.samdb.transaction_commit()
403 self.samdb.transaction_cancel()
406 def err_wrong_instancetype(self, obj, calculated_instancetype):
407 '''handle a wrong instanceType'''
408 self.report("ERROR: wrong instanceType %s on %s, should be %d" % (obj["instanceType"], obj.dn, calculated_instancetype))
409 if not self.confirm_all('Change instanceType from %s to %d on %s?' % (obj["instanceType"], calculated_instancetype, obj.dn), 'fix_instancetype'):
410 self.report('Not changing instanceType from %s to %d on %s' % (obj["instanceType"], calculated_instancetype, obj.dn))
415 m['value'] = ldb.MessageElement(str(calculated_instancetype), ldb.FLAG_MOD_REPLACE, 'instanceType')
416 if self.do_modify(m, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA],
417 "Failed to correct missing instanceType on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype)):
418 self.report("Corrected instancetype on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype))
420 def find_revealed_link(self, dn, attrname, guid):
421 '''return a revealed link in an object'''
422 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[attrname],
423 controls=["show_deleted:0", "extended_dn:0", "reveal_internals:0"])
424 syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
425 for val in res[0][attrname]:
426 dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
427 guid2 = dsdb_dn.dn.get_extended_component("GUID")
432 def check_dn(self, obj, attrname, syntax_oid):
433 '''check a DN attribute for correctness'''
435 for val in obj[attrname]:
436 dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
438 # all DNs should have a GUID component
439 guid = dsdb_dn.dn.get_extended_component("GUID")
442 self.err_incorrect_dn_GUID(obj.dn, attrname, val, dsdb_dn,
446 guidstr = str(misc.GUID(guid))
448 attrs = ['isDeleted']
449 linkID = self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)
450 reverse_link_name = self.samdb_schema.get_backlink_from_lDAPDisplayName(attrname)
451 if reverse_link_name is not None:
452 attrs.append(reverse_link_name)
454 # check its the right GUID
456 res = self.samdb.search(base="<GUID=%s>" % guidstr, scope=ldb.SCOPE_BASE,
457 attrs=attrs, controls=["extended_dn:1:1", "show_recycled:1"])
458 except ldb.LdbError, (enum, estr):
460 self.err_incorrect_dn_GUID(obj.dn, attrname, val, dsdb_dn, "incorrect GUID")
463 # now we have two cases - the source object might or might not be deleted
464 is_deleted = 'isDeleted' in obj and obj['isDeleted'][0].upper() == 'TRUE'
465 target_is_deleted = 'isDeleted' in res[0] and res[0]['isDeleted'][0].upper() == 'TRUE'
467 # the target DN is not allowed to be deleted, unless the target DN is the
468 # special Deleted Objects container
469 if target_is_deleted and not is_deleted and not self.is_deleted_objects_dn(dsdb_dn):
471 self.err_deleted_dn(obj.dn, attrname, val, dsdb_dn, res[0].dn)
474 # check the DN matches in string form
475 if res[0].dn.extended_str() != dsdb_dn.dn.extended_str():
477 self.err_dn_target_mismatch(obj.dn, attrname, val, dsdb_dn,
478 res[0].dn, "incorrect string version of DN")
481 if is_deleted and not target_is_deleted and reverse_link_name is not None:
482 revealed_dn = self.find_revealed_link(obj.dn, attrname, guid)
483 rmd_flags = revealed_dn.dn.get_extended_component("RMD_FLAGS")
484 if rmd_flags is not None and (int(rmd_flags) & 1) == 0:
485 # the RMD_FLAGS for this link should be 1, as the target is deleted
486 self.err_incorrect_rmd_flags(obj, attrname, revealed_dn)
489 # check the reverse_link is correct if there should be one
490 if reverse_link_name is not None:
492 if reverse_link_name in res[0]:
493 for v in res[0][reverse_link_name]:
494 if v == obj.dn.extended_str():
499 self.err_orphaned_backlink(obj, attrname, val, reverse_link_name, dsdb_dn.dn)
501 self.err_missing_backlink(obj, attrname, val, reverse_link_name, dsdb_dn.dn)
507 def get_originating_time(self, val, attid):
508 '''Read metadata properties and return the originating time for
511 :return: the originating time or 0 if not found
514 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
517 for o in repl.ctr.array:
519 return o.originating_change_time
523 def process_metadata(self, val):
524 '''Read metadata properties and list attributes in it'''
528 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
531 for o in repl.ctr.array:
532 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
533 list_att.append(att.lower())
538 def fix_metadata(self, dn, attr):
539 '''re-write replPropertyMetaData elements for a single attribute for a
540 object. This is used to fix missing replPropertyMetaData elements'''
541 res = self.samdb.search(base = dn, scope=ldb.SCOPE_BASE, attrs = [attr],
542 controls = ["search_options:1:2", "show_recycled:1"])
546 nmsg[attr] = ldb.MessageElement(msg[attr], ldb.FLAG_MOD_REPLACE, attr)
547 if self.do_modify(nmsg, ["relax:0", "provision:0", "show_recycled:1"],
548 "Failed to fix metadata for attribute %s" % attr):
549 self.report("Fixed metadata for attribute %s" % attr)
551 def is_fsmo_role(self, dn):
552 if dn == self.samdb.domain_dn:
554 if dn == self.infrastructure_dn:
556 if dn == self.naming_dn:
558 if dn == self.schema_dn:
560 if dn == self.rid_dn:
565 def calculate_instancetype(self, dn):
567 nc_root = self.samdb.get_nc_root(dn)
569 instancetype |= dsdb.INSTANCE_TYPE_IS_NC_HEAD
571 self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE, attrs=[], controls=["show_recycled:1"])
572 except ldb.LdbError, (enum, estr):
573 if enum != ldb.ERR_NO_SUCH_OBJECT:
576 instancetype |= dsdb.INSTANCE_TYPE_NC_ABOVE
578 if self.write_ncs is not None and str(nc_root) in self.write_ncs:
579 instancetype |= dsdb.INSTANCE_TYPE_WRITE
583 def check_object(self, dn, attrs=['*']):
584 '''check one object'''
586 self.report("Checking object %s" % dn)
588 attrs.append("replPropertyMetaData")
591 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
592 controls=["extended_dn:1:1", "show_recycled:1", "show_deleted:1"],
594 except ldb.LdbError, (enum, estr):
595 if enum == ldb.ERR_NO_SUCH_OBJECT:
596 if self.in_transaction:
597 self.report("ERROR: Object %s disappeared during check" % dn)
602 self.report("ERROR: Object %s failed to load during check" % dn)
606 list_attrs_from_md = []
608 got_repl_property_meta_data = False
614 if str(attrname).lower() == 'replpropertymetadata':
615 list_attrs_from_md = self.process_metadata(obj[attrname])
616 got_repl_property_meta_data = True
619 if str(attrname).lower() == 'objectclass':
620 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, list(obj[attrname]))
621 if list(normalised) != list(obj[attrname]):
622 self.err_normalise_mismatch_replace(dn, attrname, list(obj[attrname]))
626 # check for empty attributes
627 for val in obj[attrname]:
629 self.err_empty_attribute(dn, attrname)
633 # get the syntax oid for the attribute, so we can can have
634 # special handling for some specific attribute types
636 syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
637 except Exception, msg:
638 self.err_unknown_attribute(obj, attrname)
642 flag = self.samdb_schema.get_systemFlags_from_lDAPDisplayName(attrname)
643 if (not flag & dsdb.DS_FLAG_ATTR_NOT_REPLICATED
644 and not flag & dsdb.DS_FLAG_ATTR_IS_CONSTRUCTED
645 and not self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)):
646 list_attrs_seen.append(str(attrname).lower())
648 if syntax_oid in [ dsdb.DSDB_SYNTAX_BINARY_DN, dsdb.DSDB_SYNTAX_OR_NAME,
649 dsdb.DSDB_SYNTAX_STRING_DN, ldb.SYNTAX_DN ]:
650 # it's some form of DN, do specialised checking on those
651 error_count += self.check_dn(obj, attrname, syntax_oid)
653 # check for incorrectly normalised attributes
654 for val in obj[attrname]:
655 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, [val])
656 if len(normalised) != 1 or normalised[0] != val:
657 self.err_normalise_mismatch(dn, attrname, obj[attrname])
661 if str(attrname).lower() == "instancetype":
662 calculated_instancetype = self.calculate_instancetype(dn)
663 if len(obj["instanceType"]) != 1 or obj["instanceType"][0] != str(calculated_instancetype):
664 self.err_wrong_instancetype(obj, calculated_instancetype)
667 if got_repl_property_meta_data:
668 rdn = (str(dn).split(","))[0]
669 if rdn == "CN=Deleted Objects":
670 isDeletedAttId = 131120
671 # It's 29/12/9999 at 23:59:59 UTC as specified in MS-ADTS 7.1.1.4.2 Deleted Objects Container
673 expectedTimeDo = 2650466015990000000
674 originating = self.get_originating_time(obj["replPropertyMetaData"], isDeletedAttId)
675 if originating != expectedTimeDo:
676 if self.confirm_all("Fix isDeleted originating_change_time on '%s'" % str(dn), 'fix_time_metadata'):
679 nmsg["isDeleted"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isDeleted")
681 self.samdb.modify(nmsg, controls=["provision:0"])
684 self.report("Not fixing isDeleted originating_change_time on '%s'" % str(dn))
685 for att in list_attrs_seen:
686 if not att in list_attrs_from_md:
688 self.report("On object %s" % dn)
691 self.report("ERROR: Attribute %s not present in replication metadata" % att)
692 if not self.confirm_all("Fix missing replPropertyMetaData element '%s'" % att, 'fix_all_metadata'):
693 self.report("Not fixing missing replPropertyMetaData element '%s'" % att)
695 self.fix_metadata(dn, att)
697 if self.is_fsmo_role(dn):
698 if "fSMORoleOwner" not in obj:
699 self.err_no_fsmoRoleOwner(obj)
703 if dn != self.samdb.get_root_basedn():
704 res = self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE,
705 controls=["show_recycled:1", "show_deleted:1"])
706 except ldb.LdbError, (enum, estr):
707 if enum == ldb.ERR_NO_SUCH_OBJECT:
708 self.err_missing_parent(obj)
715 ################################################################
716 # check special @ROOTDSE attributes
717 def check_rootdse(self):
718 '''check the @ROOTDSE special object'''
719 dn = ldb.Dn(self.samdb, '@ROOTDSE')
721 self.report("Checking object %s" % dn)
722 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE)
724 self.report("Object %s disappeared during check" % dn)
729 # check that the dsServiceName is in GUID form
730 if not 'dsServiceName' in obj:
731 self.report('ERROR: dsServiceName missing in @ROOTDSE')
734 if not obj['dsServiceName'][0].startswith('<GUID='):
735 self.report('ERROR: dsServiceName not in GUID form in @ROOTDSE')
737 if not self.confirm('Change dsServiceName to GUID form?'):
739 res = self.samdb.search(base=ldb.Dn(self.samdb, obj['dsServiceName'][0]),
740 scope=ldb.SCOPE_BASE, attrs=['objectGUID'])
741 guid_str = str(ndr_unpack(misc.GUID, res[0]['objectGUID'][0]))
744 m['dsServiceName'] = ldb.MessageElement("<GUID=%s>" % guid_str,
745 ldb.FLAG_MOD_REPLACE, 'dsServiceName')
746 if self.do_modify(m, [], "Failed to change dsServiceName to GUID form", validate=False):
747 self.report("Changed dsServiceName to GUID form")
751 ###############################################
752 # re-index the database
753 def reindex_database(self):
754 '''re-index the whole database'''
756 m.dn = ldb.Dn(self.samdb, "@ATTRIBUTES")
757 m['add'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_ADD, 'force_reindex')
758 m['delete'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_DELETE, 'force_reindex')
759 return self.do_modify(m, [], 're-indexed database', validate=False)
761 ###############################################
763 def reset_modules(self):
764 '''reset @MODULES to that needed for current sam.ldb (to read a very old database)'''
766 m.dn = ldb.Dn(self.samdb, "@MODULES")
767 m['@LIST'] = ldb.MessageElement('samba_dsdb', ldb.FLAG_MOD_REPLACE, '@LIST')
768 return self.do_modify(m, [], 'reset @MODULES on database', validate=False)