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/>.
23 from base64 import b64decode
24 from samba import dsdb
25 from samba import common
26 from samba.dcerpc import misc
27 from samba.dcerpc import drsuapi
28 from samba.ndr import ndr_unpack, ndr_pack
29 from samba.dcerpc import drsblobs
30 from samba.common import dsdb_Dn
31 from samba.dcerpc import security
32 from samba.descriptor import get_wellknown_sds, get_diff_sds
33 from samba.auth import system_session, admin_session
34 from samba.netcmd import CommandError
35 from samba.netcmd.fsmo import get_fsmo_roleowner
38 class dbcheck(object):
39 """check a SAM database for errors"""
41 def __init__(self, samdb, samdb_schema=None, verbose=False, fix=False,
42 yes=False, quiet=False, in_transaction=False,
43 reset_well_known_acls=False):
45 self.dict_oid_name = None
46 self.samdb_schema = (samdb_schema or samdb)
47 self.verbose = verbose
51 self.remove_all_unknown_attributes = False
52 self.remove_all_empty_attributes = False
53 self.fix_all_normalisation = False
54 self.fix_all_duplicates = False
55 self.fix_all_DN_GUIDs = False
56 self.fix_all_binary_dn = False
57 self.remove_implausible_deleted_DN_links = False
58 self.remove_plausible_deleted_DN_links = False
59 self.fix_all_string_dn_component_mismatch = False
60 self.fix_all_GUID_dn_component_mismatch = False
61 self.fix_all_SID_dn_component_mismatch = False
62 self.fix_all_old_dn_string_component_mismatch = False
63 self.fix_all_metadata = False
64 self.fix_time_metadata = False
65 self.fix_undead_linked_attributes = False
66 self.fix_all_missing_backlinks = False
67 self.fix_all_orphaned_backlinks = False
68 self.fix_all_duplicate_links = False
69 self.fix_rmd_flags = False
70 self.fix_ntsecuritydescriptor = False
71 self.fix_ntsecuritydescriptor_owner_group = False
72 self.seize_fsmo_role = False
73 self.move_to_lost_and_found = False
74 self.fix_instancetype = False
75 self.fix_replmetadata_zero_invocationid = False
76 self.fix_replmetadata_duplicate_attid = False
77 self.fix_replmetadata_wrong_attid = False
78 self.fix_replmetadata_unsorted_attid = False
79 self.fix_deleted_deleted_objects = False
80 self.fix_incorrect_deleted_objects = False
82 self.fix_base64_userparameters = False
83 self.fix_utf8_userparameters = False
84 self.fix_doubled_userparameters = False
85 self.fix_sid_rid_set_conflict = False
86 self.reset_well_known_acls = reset_well_known_acls
87 self.reset_all_well_known_acls = False
88 self.in_transaction = in_transaction
89 self.infrastructure_dn = ldb.Dn(samdb, "CN=Infrastructure," + samdb.domain_dn())
90 self.naming_dn = ldb.Dn(samdb, "CN=Partitions,%s" % samdb.get_config_basedn())
91 self.schema_dn = samdb.get_schema_basedn()
92 self.rid_dn = ldb.Dn(samdb, "CN=RID Manager$,CN=System," + samdb.domain_dn())
93 self.ntds_dsa = ldb.Dn(samdb, samdb.get_dsServiceName())
94 self.class_schemaIDGUID = {}
95 self.wellknown_sds = get_wellknown_sds(self.samdb)
96 self.fix_all_missing_objectclass = False
97 self.fix_missing_deleted_objects = False
98 self.fix_replica_locations = False
99 self.fix_missing_rid_set_master = False
102 self.link_id_cache = {}
105 res = samdb.search(base="CN=DnsAdmins,CN=Users,%s" % samdb.domain_dn(), scope=ldb.SCOPE_BASE,
107 dnsadmins_sid = ndr_unpack(security.dom_sid, res[0]["objectSid"][0])
108 self.name_map['DnsAdmins'] = str(dnsadmins_sid)
109 except ldb.LdbError, (enum, estr):
110 if enum != ldb.ERR_NO_SUCH_OBJECT:
114 self.system_session_info = system_session()
115 self.admin_session_info = admin_session(None, samdb.get_domain_sid())
117 res = self.samdb.search(base=self.ntds_dsa, scope=ldb.SCOPE_BASE, attrs=['msDS-hasMasterNCs', 'hasMasterNCs'])
118 if "msDS-hasMasterNCs" in res[0]:
119 self.write_ncs = res[0]["msDS-hasMasterNCs"]
121 # If the Forest Level is less than 2003 then there is no
122 # msDS-hasMasterNCs, so we fall back to hasMasterNCs
123 # no need to merge as all the NCs that are in hasMasterNCs must
124 # also be in msDS-hasMasterNCs (but not the opposite)
125 if "hasMasterNCs" in res[0]:
126 self.write_ncs = res[0]["hasMasterNCs"]
128 self.write_ncs = None
130 res = self.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=['namingContexts'])
131 self.deleted_objects_containers = []
132 self.ncs_lacking_deleted_containers = []
133 self.dns_partitions = []
135 self.ncs = res[0]["namingContexts"]
143 dn = self.samdb.get_wellknown_dn(ldb.Dn(self.samdb, nc),
144 dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER)
145 self.deleted_objects_containers.append(dn)
147 self.ncs_lacking_deleted_containers.append(ldb.Dn(self.samdb, nc))
149 domaindns_zone = 'DC=DomainDnsZones,%s' % self.samdb.get_default_basedn()
150 forestdns_zone = 'DC=ForestDnsZones,%s' % self.samdb.get_root_basedn()
151 domain = self.samdb.search(scope=ldb.SCOPE_ONELEVEL,
152 attrs=["msDS-NC-Replica-Locations", "msDS-NC-RO-Replica-Locations"],
153 base=self.samdb.get_partitions_dn(),
154 expression="(&(objectClass=crossRef)(ncName=%s))" % domaindns_zone)
156 self.dns_partitions.append((ldb.Dn(self.samdb, forestdns_zone), domain[0]))
158 forest = self.samdb.search(scope=ldb.SCOPE_ONELEVEL,
159 attrs=["msDS-NC-Replica-Locations", "msDS-NC-RO-Replica-Locations"],
160 base=self.samdb.get_partitions_dn(),
161 expression="(&(objectClass=crossRef)(ncName=%s))" % forestdns_zone)
163 self.dns_partitions.append((ldb.Dn(self.samdb, domaindns_zone), forest[0]))
165 fsmo_dn = ldb.Dn(self.samdb, "CN=RID Manager$,CN=System," + self.samdb.domain_dn())
166 rid_master = get_fsmo_roleowner(self.samdb, fsmo_dn, "rid")
167 if ldb.Dn(self.samdb, self.samdb.get_dsServiceName()) == rid_master:
168 self.is_rid_master = True
170 self.is_rid_master = False
172 # To get your rid set
174 res = self.samdb.search(base=ldb.Dn(self.samdb, self.samdb.get_serverName()),
175 scope=ldb.SCOPE_BASE, attrs=["serverReference"])
176 # 2. Get server reference
177 self.server_ref_dn = ldb.Dn(self.samdb, res[0]['serverReference'][0])
180 res = self.samdb.search(base=self.server_ref_dn,
181 scope=ldb.SCOPE_BASE, attrs=['rIDSetReferences'])
182 if "rIDSetReferences" in res[0]:
183 self.rid_set_dn = ldb.Dn(self.samdb, res[0]['rIDSetReferences'][0])
185 self.rid_set_dn = None
187 def check_database(self, DN=None, scope=ldb.SCOPE_SUBTREE, controls=[], attrs=['*']):
188 '''perform a database check, returning the number of errors found'''
189 res = self.samdb.search(base=DN, scope=scope, attrs=['dn'], controls=controls)
190 self.report('Checking %u objects' % len(res))
193 error_count += self.check_deleted_objects_containers()
195 self.attribute_or_class_ids = set()
198 self.dn_set.add(str(object.dn))
199 error_count += self.check_object(object.dn, attrs=attrs)
202 error_count += self.check_rootdse()
204 if error_count != 0 and not self.fix:
205 self.report("Please use --fix to fix these errors")
207 self.report('Checked %u objects (%u errors)' % (len(res), error_count))
210 def check_deleted_objects_containers(self):
211 """This function only fixes conflicts on the Deleted Objects
212 containers, not the attributes"""
214 for nc in self.ncs_lacking_deleted_containers:
215 if nc == self.schema_dn:
218 self.report("ERROR: NC %s lacks a reference to a Deleted Objects container" % nc)
219 if not self.confirm_all('Fix missing Deleted Objects container for %s?' % (nc), 'fix_missing_deleted_objects'):
222 dn = ldb.Dn(self.samdb, "CN=Deleted Objects")
227 # If something already exists here, add a conflict
228 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[],
229 controls=["show_deleted:1", "extended_dn:1:1",
230 "show_recycled:1", "reveal_internals:0"])
232 guid = res[0].dn.get_extended_component("GUID")
233 conflict_dn = ldb.Dn(self.samdb,
234 "CN=Deleted Objects\\0ACNF:%s" % str(misc.GUID(guid)))
235 conflict_dn.add_base(nc)
237 except ldb.LdbError, (enum, estr):
238 if enum == ldb.ERR_NO_SUCH_OBJECT:
241 self.report("Couldn't check for conflicting Deleted Objects container: %s" % estr)
244 if conflict_dn is not None:
246 self.samdb.rename(dn, conflict_dn, ["show_deleted:1", "relax:0", "show_recycled:1"])
247 except ldb.LdbError, (enum, estr):
248 self.report("Couldn't move old Deleted Objects placeholder: %s to %s: %s" % (dn, conflict_dn, estr))
251 # Refresh wellKnownObjects links
252 res = self.samdb.search(base=nc, scope=ldb.SCOPE_BASE,
253 attrs=['wellKnownObjects'],
254 controls=["show_deleted:1", "extended_dn:0",
255 "show_recycled:1", "reveal_internals:0"])
257 self.report("wellKnownObjects was not found for NC %s" % nc)
260 # Prevent duplicate deleted objects containers just in case
261 wko = res[0]["wellKnownObjects"]
263 proposed_objectguid = None
265 dsdb_dn = dsdb_Dn(self.samdb, o, dsdb.DSDB_SYNTAX_BINARY_DN)
266 if self.is_deleted_objects_dn(dsdb_dn):
267 self.report("wellKnownObjects had duplicate Deleted Objects value %s" % o)
268 # We really want to put this back in the same spot
269 # as the original one, so that on replication we
270 # merge, rather than conflict.
271 proposed_objectguid = dsdb_dn.dn.get_extended_component("GUID")
274 if proposed_objectguid is not None:
275 guid_suffix = "\nobjectGUID: %s" % str(misc.GUID(proposed_objectguid))
277 wko_prefix = "B:32:%s" % dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER
278 listwko.append('%s:%s' % (wko_prefix, dn))
281 # Insert a brand new Deleted Objects container
282 self.samdb.add_ldif("""dn: %s
284 objectClass: container
285 description: Container for deleted objects
287 isCriticalSystemObject: TRUE
288 showInAdvancedViewOnly: TRUE
289 systemFlags: -1946157056%s""" % (dn, guid_suffix),
290 controls=["relax:0", "provision:0"])
292 delta = ldb.Message()
293 delta.dn = ldb.Dn(self.samdb, str(res[0]["dn"]))
294 delta["wellKnownObjects"] = ldb.MessageElement(listwko,
295 ldb.FLAG_MOD_REPLACE,
298 # Insert the link to the brand new container
299 if self.do_modify(delta, ["relax:0"],
300 "NC %s lacks Deleted Objects WKGUID" % nc,
302 self.report("Added %s well known guid link" % dn)
304 self.deleted_objects_containers.append(dn)
308 def report(self, msg):
309 '''print a message unless quiet is set'''
313 def confirm(self, msg, allow_all=False, forced=False):
314 '''confirm a change'''
321 return common.confirm(msg, forced=forced, allow_all=allow_all)
323 ################################################################
324 # a local confirm function with support for 'all'
325 def confirm_all(self, msg, all_attr):
326 '''confirm a change with support for "all" '''
329 if getattr(self, all_attr) == 'NONE':
331 if getattr(self, all_attr) == 'ALL':
337 c = common.confirm(msg, forced=forced, allow_all=True)
339 setattr(self, all_attr, 'ALL')
342 setattr(self, all_attr, 'NONE')
346 def do_delete(self, dn, controls, msg):
347 '''delete dn with optional verbose output'''
349 self.report("delete DN %s" % dn)
351 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
352 self.samdb.delete(dn, controls=controls)
353 except Exception, err:
354 if self.in_transaction:
355 raise CommandError("%s : %s" % (msg, err))
356 self.report("%s : %s" % (msg, err))
360 def do_modify(self, m, controls, msg, validate=True):
361 '''perform a modify with optional verbose output'''
363 self.report(self.samdb.write_ldif(m, ldb.CHANGETYPE_MODIFY))
365 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
366 self.samdb.modify(m, controls=controls, validate=validate)
367 except Exception, err:
368 if self.in_transaction:
369 raise CommandError("%s : %s" % (msg, err))
370 self.report("%s : %s" % (msg, err))
374 def do_rename(self, from_dn, to_rdn, to_base, controls, msg):
375 '''perform a modify with optional verbose output'''
377 self.report("""dn: %s
381 newSuperior: %s""" % (str(from_dn), str(to_rdn), str(to_base)))
383 to_dn = to_rdn + to_base
384 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
385 self.samdb.rename(from_dn, to_dn, controls=controls)
386 except Exception, err:
387 if self.in_transaction:
388 raise CommandError("%s : %s" % (msg, err))
389 self.report("%s : %s" % (msg, err))
393 def get_attr_linkID_and_reverse_name(self, attrname):
394 if attrname in self.link_id_cache:
395 return self.link_id_cache[attrname]
396 linkID = self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)
398 revname = self.samdb_schema.get_backlink_from_lDAPDisplayName(attrname)
401 self.link_id_cache[attrname] = (linkID, revname)
402 return linkID, revname
404 def err_empty_attribute(self, dn, attrname):
405 '''fix empty attributes'''
406 self.report("ERROR: Empty attribute %s in %s" % (attrname, dn))
407 if not self.confirm_all('Remove empty attribute %s from %s?' % (attrname, dn), 'remove_all_empty_attributes'):
408 self.report("Not fixing empty attribute %s" % attrname)
413 m[attrname] = ldb.MessageElement('', ldb.FLAG_MOD_DELETE, attrname)
414 if self.do_modify(m, ["relax:0", "show_recycled:1"],
415 "Failed to remove empty attribute %s" % attrname, validate=False):
416 self.report("Removed empty attribute %s" % attrname)
418 def err_normalise_mismatch(self, dn, attrname, values):
419 '''fix attribute normalisation errors'''
420 self.report("ERROR: Normalisation error for attribute %s in %s" % (attrname, dn))
423 normalised = self.samdb.dsdb_normalise_attributes(
424 self.samdb_schema, attrname, [val])
425 if len(normalised) != 1:
426 self.report("Unable to normalise value '%s'" % val)
427 mod_list.append((val, ''))
428 elif (normalised[0] != val):
429 self.report("value '%s' should be '%s'" % (val, normalised[0]))
430 mod_list.append((val, normalised[0]))
431 if not self.confirm_all('Fix normalisation for %s from %s?' % (attrname, dn), 'fix_all_normalisation'):
432 self.report("Not fixing attribute %s" % attrname)
437 for i in range(0, len(mod_list)):
438 (val, nval) = mod_list[i]
439 m['value_%u' % i] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
441 m['normv_%u' % i] = ldb.MessageElement(nval, ldb.FLAG_MOD_ADD,
444 if self.do_modify(m, ["relax:0", "show_recycled:1"],
445 "Failed to normalise attribute %s" % attrname,
447 self.report("Normalised attribute %s" % attrname)
449 def err_normalise_mismatch_replace(self, dn, attrname, values):
450 '''fix attribute normalisation errors'''
451 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, values)
452 self.report("ERROR: Normalisation error for attribute '%s' in '%s'" % (attrname, dn))
453 self.report("Values/Order of values do/does not match: %s/%s!" % (values, list(normalised)))
454 if list(normalised) == values:
456 if not self.confirm_all("Fix normalisation for '%s' from '%s'?" % (attrname, dn), 'fix_all_normalisation'):
457 self.report("Not fixing attribute '%s'" % attrname)
462 m[attrname] = ldb.MessageElement(normalised, ldb.FLAG_MOD_REPLACE, attrname)
464 if self.do_modify(m, ["relax:0", "show_recycled:1"],
465 "Failed to normalise attribute %s" % attrname,
467 self.report("Normalised attribute %s" % attrname)
469 def err_duplicate_values(self, dn, attrname, dup_values, values):
470 '''fix attribute normalisation errors'''
471 self.report("ERROR: Duplicate values for attribute '%s' in '%s'" % (attrname, dn))
472 self.report("Values contain a duplicate: [%s]/[%s]!" % (','.join(dup_values), ','.join(values)))
473 if not self.confirm_all("Fix duplicates for '%s' from '%s'?" % (attrname, dn), 'fix_all_duplicates'):
474 self.report("Not fixing attribute '%s'" % attrname)
479 m[attrname] = ldb.MessageElement(values, ldb.FLAG_MOD_REPLACE, attrname)
481 if self.do_modify(m, ["relax:0", "show_recycled:1"],
482 "Failed to remove duplicate value on attribute %s" % attrname,
484 self.report("Removed duplicate value on attribute %s" % attrname)
486 def is_deleted_objects_dn(self, dsdb_dn):
487 '''see if a dsdb_Dn is the special Deleted Objects DN'''
488 return dsdb_dn.prefix == "B:32:%s:" % dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER
490 def err_missing_objectclass(self, dn):
491 """handle object without objectclass"""
492 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)))
493 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'):
494 self.report("Not deleting object with missing objectclass '%s'" % dn)
496 if self.do_delete(dn, ["relax:0"],
497 "Failed to remove DN %s" % dn):
498 self.report("Removed DN %s" % dn)
500 def err_deleted_dn(self, dn, attrname, val, dsdb_dn, correct_dn, remove_plausible=False):
501 """handle a DN pointing to a deleted object"""
502 if not remove_plausible:
503 self.report("ERROR: target DN is deleted for %s in object %s - %s" % (attrname, dn, val))
504 self.report("Target GUID points at deleted DN %r" % str(correct_dn))
505 if not self.confirm_all('Remove DN link?', 'remove_implausible_deleted_DN_links'):
506 self.report("Not removing")
509 self.report("WARNING: target DN is deleted for %s in object %s - %s" % (attrname, dn, val))
510 self.report("Target GUID points at deleted DN %r" % str(correct_dn))
511 if not self.confirm_all('Remove stale DN link?', 'remove_plausible_deleted_DN_links'):
512 self.report("Not removing")
517 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
518 if self.do_modify(m, ["show_recycled:1",
519 "local_oid:%s:0" % dsdb.DSDB_CONTROL_REPLMD_VANISH_LINKS],
520 "Failed to remove deleted DN attribute %s" % attrname):
521 self.report("Removed deleted DN on attribute %s" % attrname)
523 def err_missing_target_dn_or_GUID(self, dn, attrname, val, dsdb_dn):
524 """handle a missing target DN (if specified, GUID form can't be found,
525 and otherwise DN string form can't be found)"""
526 # check if its a backlink
527 linkID, _ = self.get_attr_linkID_and_reverse_name(attrname)
528 if (linkID & 1 == 0) and str(dsdb_dn).find('\\0ADEL') == -1:
530 linkID, reverse_link_name \
531 = self.get_attr_linkID_and_reverse_name(attrname)
532 if reverse_link_name is not None:
533 self.report("WARNING: no target object found for GUID "
534 "component for one-way forward link "
536 "%s - %s" % (attrname, dn, val))
537 self.report("Not removing dangling forward link")
540 nc_root = self.samdb.get_nc_root(dn)
541 target_nc_root = self.samdb.get_nc_root(dsdb_dn.dn)
542 if nc_root != target_nc_root:
543 # We don't bump the error count as Samba produces these
544 # in normal operation
545 self.report("WARNING: no target object found for GUID "
546 "component for cross-partition link "
548 "%s - %s" % (attrname, dn, val))
549 self.report("Not removing dangling one-way "
550 "cross-partition link "
551 "(we might be mid-replication)")
554 # Due to our link handling one-way links pointing to
555 # missing objects are plausible.
557 # We don't bump the error count as Samba produces these
558 # in normal operation
559 self.report("WARNING: no target object found for GUID "
560 "component for DN value %s in object "
561 "%s - %s" % (attrname, dn, val))
562 self.err_deleted_dn(dn, attrname, val,
563 dsdb_dn, dsdb_dn, True)
566 # We bump the error count here, as we should have deleted this
567 self.report("ERROR: no target object found for GUID "
568 "component for link %s in object "
569 "%s - %s" % (attrname, dn, val))
570 self.err_deleted_dn(dn, attrname, val, dsdb_dn, dsdb_dn, False)
573 def err_missing_dn_GUID_component(self, dn, attrname, val, dsdb_dn, errstr):
574 """handle a missing GUID extended DN component"""
575 self.report("ERROR: %s component for %s in object %s - %s" % (errstr, attrname, dn, val))
576 controls=["extended_dn:1:1", "show_recycled:1"]
578 res = self.samdb.search(base=str(dsdb_dn.dn), scope=ldb.SCOPE_BASE,
579 attrs=[], controls=controls)
580 except ldb.LdbError, (enum, estr):
581 self.report("unable to find object for DN %s - (%s)" % (dsdb_dn.dn, estr))
582 if enum != ldb.ERR_NO_SUCH_OBJECT:
584 self.err_missing_target_dn_or_GUID(dn, attrname, val, dsdb_dn)
587 self.report("unable to find object for DN %s" % dsdb_dn.dn)
588 self.err_missing_target_dn_or_GUID(dn, attrname, val, dsdb_dn)
590 dsdb_dn.dn = res[0].dn
592 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_DN_GUIDs'):
593 self.report("Not fixing %s" % errstr)
597 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
598 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
600 if self.do_modify(m, ["show_recycled:1"],
601 "Failed to fix %s on attribute %s" % (errstr, attrname)):
602 self.report("Fixed %s on attribute %s" % (errstr, attrname))
604 def err_incorrect_binary_dn(self, dn, attrname, val, dsdb_dn, errstr):
605 """handle an incorrect binary DN component"""
606 self.report("ERROR: %s binary component for %s in object %s - %s" % (errstr, attrname, dn, val))
607 controls=["extended_dn:1:1", "show_recycled:1"]
609 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_binary_dn'):
610 self.report("Not fixing %s" % errstr)
614 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
615 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
617 if self.do_modify(m, ["show_recycled:1"],
618 "Failed to fix %s on attribute %s" % (errstr, attrname)):
619 self.report("Fixed %s on attribute %s" % (errstr, attrname))
621 def err_dn_string_component_old(self, dn, attrname, val, dsdb_dn, correct_dn):
622 """handle a DN string being incorrect"""
623 self.report("NOTE: old (due to rename or delete) DN string component for %s in object %s - %s" % (attrname, dn, val))
624 dsdb_dn.dn = correct_dn
626 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn),
627 'fix_all_old_dn_string_component_mismatch'):
628 self.report("Not fixing old string component")
632 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
633 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
634 if self.do_modify(m, ["show_recycled:1"],
635 "Failed to fix old DN string on attribute %s" % (attrname)):
636 self.report("Fixed old DN string on attribute %s" % (attrname))
638 def err_dn_component_target_mismatch(self, dn, attrname, val, dsdb_dn, correct_dn, mismatch_type):
639 """handle a DN string being incorrect"""
640 self.report("ERROR: incorrect DN %s component for %s in object %s - %s" % (mismatch_type, attrname, dn, val))
641 dsdb_dn.dn = correct_dn
643 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn),
644 'fix_all_%s_dn_component_mismatch' % mismatch_type):
645 self.report("Not fixing %s component mismatch" % mismatch_type)
649 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
650 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
651 if self.do_modify(m, ["show_recycled:1"],
652 "Failed to fix incorrect DN %s on attribute %s" % (mismatch_type, attrname)):
653 self.report("Fixed incorrect DN %s on attribute %s" % (mismatch_type, attrname))
655 def err_unknown_attribute(self, obj, attrname):
656 '''handle an unknown attribute error'''
657 self.report("ERROR: unknown attribute '%s' in %s" % (attrname, obj.dn))
658 if not self.confirm_all('Remove unknown attribute %s' % attrname, 'remove_all_unknown_attributes'):
659 self.report("Not removing %s" % attrname)
663 m['old_value'] = ldb.MessageElement([], ldb.FLAG_MOD_DELETE, attrname)
664 if self.do_modify(m, ["relax:0", "show_recycled:1"],
665 "Failed to remove unknown attribute %s" % attrname):
666 self.report("Removed unknown attribute %s" % (attrname))
668 def err_undead_linked_attribute(self, obj, attrname, val):
669 '''handle a link that should not be there on a deleted object'''
670 self.report("ERROR: linked attribute '%s' to '%s' is present on "
671 "deleted object %s" % (attrname, val, obj.dn))
672 if not self.confirm_all('Remove linked attribute %s' % attrname, 'fix_undead_linked_attributes'):
673 self.report("Not removing linked attribute %s" % attrname)
677 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
679 if self.do_modify(m, ["show_recycled:1", "show_deleted:1", "reveal_internals:0",
680 "local_oid:%s:0" % dsdb.DSDB_CONTROL_REPLMD_VANISH_LINKS],
681 "Failed to delete forward link %s" % attrname):
682 self.report("Fixed undead forward link %s" % (attrname))
684 def err_missing_backlink(self, obj, attrname, val, backlink_name, target_dn):
685 '''handle a missing backlink value'''
686 self.report("ERROR: missing backlink attribute '%s' in %s for link %s in %s" % (backlink_name, target_dn, attrname, obj.dn))
687 if not self.confirm_all('Fix missing backlink %s' % backlink_name, 'fix_all_missing_backlinks'):
688 self.report("Not fixing missing backlink %s" % backlink_name)
692 m['new_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_ADD, backlink_name)
693 if self.do_modify(m, ["show_recycled:1", "relax:0"],
694 "Failed to fix missing backlink %s" % backlink_name):
695 self.report("Fixed missing backlink %s" % (backlink_name))
697 def err_incorrect_rmd_flags(self, obj, attrname, revealed_dn):
698 '''handle a incorrect RMD_FLAGS value'''
699 rmd_flags = int(revealed_dn.dn.get_extended_component("RMD_FLAGS"))
700 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()))
701 if not self.confirm_all('Fix incorrect RMD_FLAGS %u' % rmd_flags, 'fix_rmd_flags'):
702 self.report("Not fixing incorrect RMD_FLAGS %u" % rmd_flags)
706 m['old_value'] = ldb.MessageElement(str(revealed_dn), ldb.FLAG_MOD_DELETE, attrname)
707 if self.do_modify(m, ["show_recycled:1", "reveal_internals:0", "show_deleted:0"],
708 "Failed to fix incorrect RMD_FLAGS %u" % rmd_flags):
709 self.report("Fixed incorrect RMD_FLAGS %u" % (rmd_flags))
711 def err_orphaned_backlink(self, obj_dn, backlink_attr, backlink_val,
712 target_dn, forward_attr, forward_syntax):
713 '''handle a orphaned backlink value'''
714 self.report("ERROR: orphaned backlink attribute '%s' in %s for link %s in %s" % (backlink_attr, obj_dn, forward_attr, target_dn))
715 if not self.confirm_all('Remove orphaned backlink %s' % backlink_attr, 'fix_all_orphaned_backlinks'):
716 self.report("Not removing orphaned backlink %s" % backlink_attr)
720 m['value'] = ldb.MessageElement(backlink_val, ldb.FLAG_MOD_DELETE, backlink_attr)
721 if self.do_modify(m, ["show_recycled:1", "relax:0"],
722 "Failed to fix orphaned backlink %s" % backlink_attr):
723 self.report("Fixed orphaned backlink %s" % (backlink_attr))
725 def err_duplicate_links(self, obj, forward_attr, forward_vals):
726 '''handle a duplicate links value'''
728 if not self.confirm_all("Remove duplicate links in attribute '%s'" % forward_attr, 'fix_all_duplicate_links'):
729 self.report("Not removing duplicate links in attribute '%s'" % forward_attr)
733 m['value'] = ldb.MessageElement(forward_vals, ldb.FLAG_MOD_REPLACE, forward_attr)
734 if self.do_modify(m, ["local_oid:1.3.6.1.4.1.7165.4.3.19.2:1"],
735 "Failed to fix duplicate links in attribute '%s'" % forward_attr):
736 self.report("Fixed duplicate links in attribute '%s'" % (forward_attr))
738 def err_no_fsmoRoleOwner(self, obj):
739 '''handle a missing fSMORoleOwner'''
740 self.report("ERROR: fSMORoleOwner not found for role %s" % (obj.dn))
741 res = self.samdb.search("",
742 scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
744 serviceName = res[0]["dsServiceName"][0]
745 if not self.confirm_all('Sieze role %s onto current DC by adding fSMORoleOwner=%s' % (obj.dn, serviceName), 'seize_fsmo_role'):
746 self.report("Not Siezing role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
750 m['value'] = ldb.MessageElement(serviceName, ldb.FLAG_MOD_ADD, 'fSMORoleOwner')
751 if self.do_modify(m, [],
752 "Failed to sieze role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName)):
753 self.report("Siezed role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
755 def err_missing_parent(self, obj):
756 '''handle a missing parent'''
757 self.report("ERROR: parent object not found for %s" % (obj.dn))
758 if not self.confirm_all('Move object %s into LostAndFound?' % (obj.dn), 'move_to_lost_and_found'):
759 self.report('Not moving object %s into LostAndFound' % (obj.dn))
762 keep_transaction = False
763 self.samdb.transaction_start()
765 nc_root = self.samdb.get_nc_root(obj.dn);
766 lost_and_found = self.samdb.get_wellknown_dn(nc_root, dsdb.DS_GUID_LOSTANDFOUND_CONTAINER)
767 new_dn = ldb.Dn(self.samdb, str(obj.dn))
768 new_dn.remove_base_components(len(new_dn) - 1)
769 if self.do_rename(obj.dn, new_dn, lost_and_found, ["show_deleted:0", "relax:0"],
770 "Failed to rename object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found)):
771 self.report("Renamed object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found))
775 m['lastKnownParent'] = ldb.MessageElement(str(obj.dn.parent()), ldb.FLAG_MOD_REPLACE, 'lastKnownParent')
777 if self.do_modify(m, [],
778 "Failed to set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found)):
779 self.report("Set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found))
780 keep_transaction = True
782 self.samdb.transaction_cancel()
786 self.samdb.transaction_commit()
788 self.samdb.transaction_cancel()
790 def err_wrong_dn(self, obj, new_dn, rdn_attr, rdn_val, name_val):
791 '''handle a wrong dn'''
793 new_rdn = ldb.Dn(self.samdb, str(new_dn))
794 new_rdn.remove_base_components(len(new_rdn) - 1)
795 new_parent = new_dn.parent()
798 if rdn_val != name_val:
799 attributes += "%s=%r " % (rdn_attr, rdn_val)
800 attributes += "name=%r" % (name_val)
802 self.report("ERROR: wrong dn[%s] %s new_dn[%s]" % (obj.dn, attributes, new_dn))
803 if not self.confirm_all("Rename %s to %s?" % (obj.dn, new_dn), 'fix_dn'):
804 self.report("Not renaming %s to %s" % (obj.dn, new_dn))
807 if self.do_rename(obj.dn, new_rdn, new_parent, ["show_recycled:1", "relax:0"],
808 "Failed to rename object %s into %s" % (obj.dn, new_dn)):
809 self.report("Renamed %s into %s" % (obj.dn, new_dn))
811 def err_wrong_instancetype(self, obj, calculated_instancetype):
812 '''handle a wrong instanceType'''
813 self.report("ERROR: wrong instanceType %s on %s, should be %d" % (obj["instanceType"], obj.dn, calculated_instancetype))
814 if not self.confirm_all('Change instanceType from %s to %d on %s?' % (obj["instanceType"], calculated_instancetype, obj.dn), 'fix_instancetype'):
815 self.report('Not changing instanceType from %s to %d on %s' % (obj["instanceType"], calculated_instancetype, obj.dn))
820 m['value'] = ldb.MessageElement(str(calculated_instancetype), ldb.FLAG_MOD_REPLACE, 'instanceType')
821 if self.do_modify(m, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA],
822 "Failed to correct missing instanceType on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype)):
823 self.report("Corrected instancetype on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype))
825 def err_short_userParameters(self, obj, attrname, value):
826 # This is a truncated userParameters due to a pre 4.1 replication bug
827 self.report("ERROR: incorrect userParameters value on object %s. If you have another working DC that does not give this warning, please run 'samba-tool drs replicate --full-sync --local <destinationDC> <sourceDC> %s'" % (obj.dn, self.samdb.get_nc_root(obj.dn)))
829 def err_base64_userParameters(self, obj, attrname, value):
830 '''handle a wrong userParameters'''
831 self.report("ERROR: wrongly formatted userParameters %s on %s, should not be base64-encoded" % (value, obj.dn))
832 if not self.confirm_all('Convert userParameters from base64 encoding on %s?' % (obj.dn), 'fix_base64_userparameters'):
833 self.report('Not changing userParameters from base64 encoding on %s' % (obj.dn))
838 m['value'] = ldb.MessageElement(b64decode(obj[attrname][0]), ldb.FLAG_MOD_REPLACE, 'userParameters')
839 if self.do_modify(m, [],
840 "Failed to correct base64-encoded userParameters on %s by converting from base64" % (obj.dn)):
841 self.report("Corrected base64-encoded userParameters on %s by converting from base64" % (obj.dn))
843 def err_utf8_userParameters(self, obj, attrname, value):
844 '''handle a wrong userParameters'''
845 self.report("ERROR: wrongly formatted userParameters on %s, should not be psudo-UTF8 encoded" % (obj.dn))
846 if not self.confirm_all('Convert userParameters from UTF8 encoding on %s?' % (obj.dn), 'fix_utf8_userparameters'):
847 self.report('Not changing userParameters from UTF8 encoding on %s' % (obj.dn))
852 m['value'] = ldb.MessageElement(obj[attrname][0].decode('utf8').encode('utf-16-le'),
853 ldb.FLAG_MOD_REPLACE, 'userParameters')
854 if self.do_modify(m, [],
855 "Failed to correct psudo-UTF8 encoded userParameters on %s by converting from UTF8" % (obj.dn)):
856 self.report("Corrected psudo-UTF8 encoded userParameters on %s by converting from UTF8" % (obj.dn))
858 def err_doubled_userParameters(self, obj, attrname, value):
859 '''handle a wrong userParameters'''
860 self.report("ERROR: wrongly formatted userParameters on %s, should not be double UTF16 encoded" % (obj.dn))
861 if not self.confirm_all('Convert userParameters from doubled UTF-16 encoding on %s?' % (obj.dn), 'fix_doubled_userparameters'):
862 self.report('Not changing userParameters from doubled UTF-16 encoding on %s' % (obj.dn))
867 m['value'] = ldb.MessageElement(obj[attrname][0].decode('utf-16-le').decode('utf-16-le').encode('utf-16-le'),
868 ldb.FLAG_MOD_REPLACE, 'userParameters')
869 if self.do_modify(m, [],
870 "Failed to correct doubled-UTF16 encoded userParameters on %s by converting" % (obj.dn)):
871 self.report("Corrected doubled-UTF16 encoded userParameters on %s by converting" % (obj.dn))
873 def err_odd_userParameters(self, obj, attrname):
874 # This is a truncated userParameters due to a pre 4.1 replication bug
875 self.report("ERROR: incorrect userParameters value on object %s (odd length). If you have another working DC that does not give this warning, please run 'samba-tool drs replicate --full-sync --local <destinationDC> <sourceDC> %s'" % (obj.dn, self.samdb.get_nc_root(obj.dn)))
877 def find_revealed_link(self, dn, attrname, guid):
878 '''return a revealed link in an object'''
879 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[attrname],
880 controls=["show_deleted:0", "extended_dn:0", "reveal_internals:0"])
881 syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
882 for val in res[0][attrname]:
883 dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
884 guid2 = dsdb_dn.dn.get_extended_component("GUID")
889 def check_dn(self, obj, attrname, syntax_oid):
890 '''check a DN attribute for correctness'''
892 obj_guid = obj['objectGUID'][0]
894 linkID, reverse_link_name = self.get_attr_linkID_and_reverse_name(attrname)
895 if reverse_link_name is not None:
896 reverse_syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(reverse_link_name)
898 reverse_syntax_oid = None
900 duplicate_dict = dict()
901 duplicate_list = list()
904 for val in obj[attrname]:
907 # Only cleanup forward links here,
908 # back links are handled below.
911 dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
913 # all DNs should have a GUID component
914 guid = dsdb_dn.dn.get_extended_component("GUID")
917 guidstr = str(misc.GUID(guid))
918 keystr = guidstr + dsdb_dn.prefix
919 if keystr not in unique_dict:
920 unique_dict[keystr] = dsdb_dn
921 unique_list.append(keystr)
924 if keystr not in duplicate_dict:
925 duplicate_dict[keystr] = dict()
926 duplicate_dict[keystr]["keep"] = None
927 duplicate_dict[keystr]["delete"] = list()
928 duplicate_list.append(keystr)
930 # Now check for the highest RMD_VERSION
931 v1 = int(unique_dict[keystr].dn.get_extended_component("RMD_VERSION"))
932 v2 = int(dsdb_dn.dn.get_extended_component("RMD_VERSION"))
934 duplicate_dict[keystr]["keep"] = unique_dict[keystr]
935 duplicate_dict[keystr]["delete"].append(dsdb_dn)
938 duplicate_dict[keystr]["keep"] = dsdb_dn
939 duplicate_dict[keystr]["delete"].append(unique_dict[keystr])
940 unique_dict[keystr] = dsdb_dn
942 # Fallback to the highest RMD_LOCAL_USN
943 u1 = int(unique_dict[keystr].dn.get_extended_component("RMD_LOCAL_USN"))
944 u2 = int(dsdb_dn.dn.get_extended_component("RMD_LOCAL_USN"))
946 duplicate_dict[keystr]["keep"] = unique_dict[keystr]
947 duplicate_dict[keystr]["delete"].append(dsdb_dn)
949 duplicate_dict[keystr]["keep"] = dsdb_dn
950 duplicate_dict[keystr]["delete"].append(unique_dict[keystr])
951 unique_dict[keystr] = dsdb_dn
953 if len(duplicate_list) != 0:
954 self.report("ERROR: Duplicate link values for attribute '%s' in '%s'" % (attrname, obj.dn))
955 for keystr in duplicate_list:
956 d = duplicate_dict[keystr]
957 for dd in d["delete"]:
958 self.report("Duplicate link '%s'" % dd)
959 self.report("Correct link '%s'" % d["keep"])
962 for keystr in unique_list:
963 dsdb_dn = unique_dict[keystr]
964 vals.append(str(dsdb_dn))
965 self.err_duplicate_links(obj, attrname, vals)
966 # We should continue with the fixed values
967 obj[attrname] = ldb.MessageElement(vals, ldb.FLAG_MOD_REPLACE, attrname)
969 for val in obj[attrname]:
970 dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
972 # all DNs should have a GUID component
973 guid = dsdb_dn.dn.get_extended_component("GUID")
976 self.err_missing_dn_GUID_component(obj.dn, attrname, val, dsdb_dn,
980 guidstr = str(misc.GUID(guid))
981 attrs = ['isDeleted', 'replPropertyMetaData']
983 if (str(attrname).lower() == 'msds-hasinstantiatedncs') and (obj.dn == self.ntds_dsa):
984 fixing_msDS_HasInstantiatedNCs = True
985 attrs.append("instanceType")
987 fixing_msDS_HasInstantiatedNCs = False
989 if reverse_link_name is not None:
990 attrs.append(reverse_link_name)
992 # check its the right GUID
994 res = self.samdb.search(base="<GUID=%s>" % guidstr, scope=ldb.SCOPE_BASE,
995 attrs=attrs, controls=["extended_dn:1:1", "show_recycled:1",
998 except ldb.LdbError, (enum, estr):
999 if enum != ldb.ERR_NO_SUCH_OBJECT:
1002 # We don't always want to
1003 error_count += self.err_missing_target_dn_or_GUID(obj.dn,
1009 if fixing_msDS_HasInstantiatedNCs:
1010 dsdb_dn.prefix = "B:8:%08X:" % int(res[0]['instanceType'][0])
1011 dsdb_dn.binary = "%08X" % int(res[0]['instanceType'][0])
1013 if str(dsdb_dn) != val:
1015 self.err_incorrect_binary_dn(obj.dn, attrname, val, dsdb_dn, "incorrect instanceType part of Binary DN")
1018 # now we have two cases - the source object might or might not be deleted
1019 is_deleted = 'isDeleted' in obj and obj['isDeleted'][0].upper() == 'TRUE'
1020 target_is_deleted = 'isDeleted' in res[0] and res[0]['isDeleted'][0].upper() == 'TRUE'
1023 if is_deleted and not obj.dn in self.deleted_objects_containers and linkID:
1024 # A fully deleted object should not have any linked
1025 # attributes. (MS-ADTS 3.1.1.5.5.1.1 Tombstone
1026 # Requirements and 3.1.1.5.5.1.3 Recycled-Object
1028 self.err_undead_linked_attribute(obj, attrname, val)
1031 elif target_is_deleted and not self.is_deleted_objects_dn(dsdb_dn) and linkID:
1032 # the target DN is not allowed to be deleted, unless the target DN is the
1033 # special Deleted Objects container
1035 local_usn = dsdb_dn.dn.get_extended_component("RMD_LOCAL_USN")
1037 if 'replPropertyMetaData' in res[0]:
1038 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1039 str(res[0]['replPropertyMetadata']))
1041 for o in repl.ctr.array:
1042 if o.attid == drsuapi.DRSUAPI_ATTID_isDeleted:
1043 deleted_usn = o.local_usn
1044 if deleted_usn >= int(local_usn):
1045 # If the object was deleted after the link
1046 # was last modified then, clean it up here
1051 self.err_deleted_dn(obj.dn, attrname,
1052 val, dsdb_dn, res[0].dn, True)
1055 self.err_deleted_dn(obj.dn, attrname, val, dsdb_dn, res[0].dn, False)
1058 # We should not check for incorrect
1059 # components on deleted links, as these are allowed to
1060 # go stale (we just need the GUID, not the name)
1061 rmd_blob = dsdb_dn.dn.get_extended_component("RMD_FLAGS")
1063 if rmd_blob is not None:
1064 rmd_flags = int(rmd_blob)
1066 # assert the DN matches in string form, where a reverse
1067 # link exists, otherwise (below) offer to fix it as a non-error.
1068 # The string form is essentially only kept for forensics,
1069 # as we always re-resolve by GUID in normal operations.
1070 if not rmd_flags & 1 and reverse_link_name is not None:
1071 if str(res[0].dn) != str(dsdb_dn.dn):
1073 self.err_dn_component_target_mismatch(obj.dn, attrname, val, dsdb_dn,
1074 res[0].dn, "string")
1077 if res[0].dn.get_extended_component("GUID") != dsdb_dn.dn.get_extended_component("GUID"):
1079 self.err_dn_component_target_mismatch(obj.dn, attrname, val, dsdb_dn,
1083 if res[0].dn.get_extended_component("SID") != dsdb_dn.dn.get_extended_component("SID"):
1085 self.err_dn_component_target_mismatch(obj.dn, attrname, val, dsdb_dn,
1089 # Now we have checked the GUID and SID, offer to fix old
1090 # DN strings as a non-error (for forward links with no
1091 # backlink). Samba does not maintain this string
1092 # otherwise, so we don't increment error_count.
1093 if reverse_link_name is None:
1094 if str(res[0].dn) != str(dsdb_dn.dn):
1095 self.err_dn_string_component_old(obj.dn, attrname, val, dsdb_dn,
1099 # check the reverse_link is correct if there should be one
1101 if reverse_link_name in res[0]:
1102 for v in res[0][reverse_link_name]:
1103 v_dn = dsdb_Dn(self.samdb, v)
1104 v_guid = v_dn.dn.get_extended_component("GUID")
1105 v_blob = v_dn.dn.get_extended_component("RMD_FLAGS")
1107 if v_blob is not None:
1108 v_rmd_flags = int(v_blob)
1111 if v_guid == obj_guid:
1114 if match_count != 1:
1115 if syntax_oid == dsdb.DSDB_SYNTAX_BINARY_DN or reverse_syntax_oid == dsdb.DSDB_SYNTAX_BINARY_DN:
1117 # Forward binary multi-valued linked attribute
1119 for w in obj[attrname]:
1120 w_guid = dsdb_Dn(self.samdb, w).dn.get_extended_component("GUID")
1124 if match_count == forward_count:
1127 for v in obj[attrname]:
1128 v_dn = dsdb_Dn(self.samdb, v)
1129 v_guid = v_dn.dn.get_extended_component("GUID")
1130 v_blob = v_dn.dn.get_extended_component("RMD_FLAGS")
1132 if v_blob is not None:
1133 v_rmd_flags = int(v_blob)
1139 if match_count == expected_count:
1142 diff_count = expected_count - match_count
1145 # If there's a backward link on binary multi-valued linked attribute,
1146 # let the check on the forward link remedy the value.
1147 # UNLESS, there is no forward link detected.
1148 if match_count == 0:
1150 self.err_orphaned_backlink(obj.dn, attrname,
1155 # Only warn here and let the forward link logic fix it.
1156 self.report("WARNING: Link (back) mismatch for '%s' (%d) on '%s' to '%s' (%d) on '%s'" % (
1157 attrname, expected_count, str(obj.dn),
1158 reverse_link_name, match_count, str(dsdb_dn.dn)))
1161 assert not target_is_deleted
1163 self.report("ERROR: Link (forward) mismatch for '%s' (%d) on '%s' to '%s' (%d) on '%s'" % (
1164 attrname, expected_count, str(obj.dn),
1165 reverse_link_name, match_count, str(dsdb_dn.dn)))
1167 # Loop until the difference between the forward and
1168 # the backward links is resolved.
1169 while diff_count != 0:
1172 if match_count > 0 or diff_count > 1:
1173 # TODO no method to fix these right now
1174 self.report("ERROR: Can't fix missing "
1175 "multi-valued backlinks on %s" % str(dsdb_dn.dn))
1177 self.err_missing_backlink(obj, attrname,
1178 obj.dn.extended_str(),
1183 self.err_orphaned_backlink(res[0].dn, reverse_link_name,
1184 obj.dn.extended_str(), obj.dn,
1185 attrname, syntax_oid)
1192 def get_originating_time(self, val, attid):
1193 '''Read metadata properties and return the originating time for
1194 a given attributeId.
1196 :return: the originating time or 0 if not found
1199 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
1202 for o in repl.ctr.array:
1203 if o.attid == attid:
1204 return o.originating_change_time
1208 def process_metadata(self, dn, val):
1209 '''Read metadata properties and list attributes in it.
1210 raises KeyError if the attid is unknown.'''
1213 wrong_attids = set()
1215 in_schema_nc = dn.is_child_of(self.schema_dn)
1217 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
1220 for o in repl.ctr.array:
1221 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
1222 set_att.add(att.lower())
1223 list_attid.append(o.attid)
1224 correct_attid = self.samdb_schema.get_attid_from_lDAPDisplayName(att,
1225 is_schema_nc=in_schema_nc)
1226 if correct_attid != o.attid:
1227 wrong_attids.add(o.attid)
1229 return (set_att, list_attid, wrong_attids)
1232 def fix_metadata(self, obj, attr):
1233 '''re-write replPropertyMetaData elements for a single attribute for a
1234 object. This is used to fix missing replPropertyMetaData elements'''
1235 guid_str = str(ndr_unpack(misc.GUID, obj['objectGUID'][0]))
1236 dn = ldb.Dn(self.samdb, "<GUID=%s>" % guid_str)
1237 res = self.samdb.search(base = dn, scope=ldb.SCOPE_BASE, attrs = [attr],
1238 controls = ["search_options:1:2",
1241 nmsg = ldb.Message()
1243 nmsg[attr] = ldb.MessageElement(msg[attr], ldb.FLAG_MOD_REPLACE, attr)
1244 if self.do_modify(nmsg, ["relax:0", "provision:0", "show_recycled:1"],
1245 "Failed to fix metadata for attribute %s" % attr):
1246 self.report("Fixed metadata for attribute %s" % attr)
1248 def ace_get_effective_inherited_type(self, ace):
1249 if ace.flags & security.SEC_ACE_FLAG_INHERIT_ONLY:
1253 if ace.type == security.SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT:
1255 elif ace.type == security.SEC_ACE_TYPE_ACCESS_DENIED_OBJECT:
1257 elif ace.type == security.SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT:
1259 elif ace.type == security.SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT:
1265 if not ace.object.flags & security.SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT:
1268 return str(ace.object.inherited_type)
1270 def lookup_class_schemaIDGUID(self, cls):
1271 if cls in self.class_schemaIDGUID:
1272 return self.class_schemaIDGUID[cls]
1274 flt = "(&(ldapDisplayName=%s)(objectClass=classSchema))" % cls
1275 res = self.samdb.search(base=self.schema_dn,
1277 attrs=["schemaIDGUID"])
1278 t = str(ndr_unpack(misc.GUID, res[0]["schemaIDGUID"][0]))
1280 self.class_schemaIDGUID[cls] = t
1283 def process_sd(self, dn, obj):
1284 sd_attr = "nTSecurityDescriptor"
1285 sd_val = obj[sd_attr]
1287 sd = ndr_unpack(security.descriptor, str(sd_val))
1289 is_deleted = 'isDeleted' in obj and obj['isDeleted'][0].upper() == 'TRUE'
1291 # we don't fix deleted objects
1294 sd_clean = security.descriptor()
1295 sd_clean.owner_sid = sd.owner_sid
1296 sd_clean.group_sid = sd.group_sid
1297 sd_clean.type = sd.type
1298 sd_clean.revision = sd.revision
1301 last_inherited_type = None
1304 if sd.sacl is not None:
1306 for i in range(0, len(aces)):
1309 if not ace.flags & security.SEC_ACE_FLAG_INHERITED_ACE:
1310 sd_clean.sacl_add(ace)
1313 t = self.ace_get_effective_inherited_type(ace)
1317 if last_inherited_type is not None:
1318 if t != last_inherited_type:
1319 # if it inherited from more than
1320 # one type it's very likely to be broken
1322 # If not the recalculation will calculate
1327 last_inherited_type = t
1330 if sd.dacl is not None:
1332 for i in range(0, len(aces)):
1335 if not ace.flags & security.SEC_ACE_FLAG_INHERITED_ACE:
1336 sd_clean.dacl_add(ace)
1339 t = self.ace_get_effective_inherited_type(ace)
1343 if last_inherited_type is not None:
1344 if t != last_inherited_type:
1345 # if it inherited from more than
1346 # one type it's very likely to be broken
1348 # If not the recalculation will calculate
1353 last_inherited_type = t
1356 return (sd_clean, sd)
1358 if last_inherited_type is None:
1364 cls = obj["objectClass"][-1]
1369 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
1370 attrs=["isDeleted", "objectClass"],
1371 controls=["show_recycled:1"])
1373 is_deleted = 'isDeleted' in o and o['isDeleted'][0].upper() == 'TRUE'
1375 # we don't fix deleted objects
1377 cls = o["objectClass"][-1]
1379 t = self.lookup_class_schemaIDGUID(cls)
1381 if t != last_inherited_type:
1383 return (sd_clean, sd)
1388 def err_wrong_sd(self, dn, sd, sd_broken):
1389 '''re-write the SD due to incorrect inherited ACEs'''
1390 sd_attr = "nTSecurityDescriptor"
1391 sd_val = ndr_pack(sd)
1392 sd_flags = security.SECINFO_DACL | security.SECINFO_SACL
1394 if not self.confirm_all('Fix %s on %s?' % (sd_attr, dn), 'fix_ntsecuritydescriptor'):
1395 self.report('Not fixing %s on %s\n' % (sd_attr, dn))
1398 nmsg = ldb.Message()
1400 nmsg[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
1401 if self.do_modify(nmsg, ["sd_flags:1:%d" % sd_flags],
1402 "Failed to fix attribute %s" % sd_attr):
1403 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
1405 def err_wrong_default_sd(self, dn, sd, sd_old, diff):
1406 '''re-write the SD due to not matching the default (optional mode for fixing an incorrect provision)'''
1407 sd_attr = "nTSecurityDescriptor"
1408 sd_val = ndr_pack(sd)
1409 sd_old_val = ndr_pack(sd_old)
1410 sd_flags = security.SECINFO_DACL | security.SECINFO_SACL
1411 if sd.owner_sid is not None:
1412 sd_flags |= security.SECINFO_OWNER
1413 if sd.group_sid is not None:
1414 sd_flags |= security.SECINFO_GROUP
1416 if not self.confirm_all('Reset %s on %s back to provision default?\n%s' % (sd_attr, dn, diff), 'reset_all_well_known_acls'):
1417 self.report('Not resetting %s on %s\n' % (sd_attr, dn))
1422 m[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
1423 if self.do_modify(m, ["sd_flags:1:%d" % sd_flags],
1424 "Failed to reset attribute %s" % sd_attr):
1425 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
1427 def err_missing_sd_owner(self, dn, sd):
1428 '''re-write the SD due to a missing owner or group'''
1429 sd_attr = "nTSecurityDescriptor"
1430 sd_val = ndr_pack(sd)
1431 sd_flags = security.SECINFO_OWNER | security.SECINFO_GROUP
1433 if not self.confirm_all('Fix missing owner or group in %s on %s?' % (sd_attr, dn), 'fix_ntsecuritydescriptor_owner_group'):
1434 self.report('Not fixing missing owner or group %s on %s\n' % (sd_attr, dn))
1437 nmsg = ldb.Message()
1439 nmsg[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
1441 # By setting the session_info to admin_session_info and
1442 # setting the security.SECINFO_OWNER | security.SECINFO_GROUP
1443 # flags we cause the descriptor module to set the correct
1444 # owner and group on the SD, replacing the None/NULL values
1445 # for owner_sid and group_sid currently present.
1447 # The admin_session_info matches that used in provision, and
1448 # is the best guess we can make for an existing object that
1449 # hasn't had something specifically set.
1451 # This is important for the dns related naming contexts.
1452 self.samdb.set_session_info(self.admin_session_info)
1453 if self.do_modify(nmsg, ["sd_flags:1:%d" % sd_flags],
1454 "Failed to fix metadata for attribute %s" % sd_attr):
1455 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
1456 self.samdb.set_session_info(self.system_session_info)
1459 def has_replmetadata_zero_invocationid(self, dn, repl_meta_data):
1460 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1461 str(repl_meta_data))
1465 # Search for a zero invocationID
1466 if o.originating_invocation_id != misc.GUID("00000000-0000-0000-0000-000000000000"):
1470 self.report('''ERROR: on replPropertyMetaData of %s, the instanceType on attribute 0x%08x,
1471 version %d changed at %s is 00000000-0000-0000-0000-000000000000,
1472 but should be non-zero. Proposed fix is to set to our invocationID (%s).'''
1473 % (dn, o.attid, o.version,
1474 time.ctime(samba.nttime2unix(o.originating_change_time)),
1475 self.samdb.get_invocation_id()))
1480 def err_replmetadata_zero_invocationid(self, dn, attr, repl_meta_data):
1481 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1482 str(repl_meta_data))
1484 now = samba.unix2nttime(int(time.time()))
1487 # Search for a zero invocationID
1488 if o.originating_invocation_id != misc.GUID("00000000-0000-0000-0000-000000000000"):
1492 seq = self.samdb.sequence_number(ldb.SEQ_NEXT)
1493 o.version = o.version + 1
1494 o.originating_change_time = now
1495 o.originating_invocation_id = misc.GUID(self.samdb.get_invocation_id())
1496 o.originating_usn = seq
1500 replBlob = ndr_pack(repl)
1504 if not self.confirm_all('Fix %s on %s by setting originating_invocation_id on some elements to our invocationID %s?'
1505 % (attr, dn, self.samdb.get_invocation_id()), 'fix_replmetadata_zero_invocationid'):
1506 self.report('Not fixing zero originating_invocation_id in %s on %s\n' % (attr, dn))
1509 nmsg = ldb.Message()
1511 nmsg[attr] = ldb.MessageElement(replBlob, ldb.FLAG_MOD_REPLACE, attr)
1512 if self.do_modify(nmsg, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA,
1513 "local_oid:1.3.6.1.4.1.7165.4.3.14:0"],
1514 "Failed to fix attribute %s" % attr):
1515 self.report("Fixed attribute '%s' of '%s'\n" % (attr, dn))
1518 def err_replmetadata_unknown_attid(self, dn, attr, repl_meta_data):
1519 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1520 str(repl_meta_data))
1523 # Search for an invalid attid
1525 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
1527 self.report('ERROR: attributeID 0X%0X is not known in our schema, not fixing %s on %s\n' % (o.attid, attr, dn))
1531 def err_replmetadata_incorrect_attid(self, dn, attr, repl_meta_data, wrong_attids):
1532 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1533 str(repl_meta_data))
1537 remove_attid = set()
1540 in_schema_nc = dn.is_child_of(self.schema_dn)
1543 # Sort the array, except for the last element. This strange
1544 # construction, creating a new list, due to bugs in samba's
1545 # array handling in IDL generated objects.
1546 ctr.array = sorted(ctr.array[:], key=lambda o: o.attid)
1547 # Now walk it in reverse, so we see the low (and so incorrect,
1548 # the correct values are above 0x80000000) values first and
1549 # remove the 'second' value we see.
1550 for o in reversed(ctr.array):
1551 print "%s: 0x%08x" % (dn, o.attid)
1552 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
1553 if att.lower() in set_att:
1554 self.report('ERROR: duplicate attributeID values for %s in %s on %s\n' % (att, attr, dn))
1555 if not self.confirm_all('Fix %s on %s by removing the duplicate value 0x%08x for %s (keeping 0x%08x)?'
1556 % (attr, dn, o.attid, att, hash_att[att].attid),
1557 'fix_replmetadata_duplicate_attid'):
1558 self.report('Not fixing duplicate value 0x%08x for %s in %s on %s\n'
1559 % (o.attid, att, attr, dn))
1562 remove_attid.add(o.attid)
1563 # We want to set the metadata for the most recent
1564 # update to have been applied locally, that is the metadata
1565 # matching the (eg string) value in the attribute
1566 if o.local_usn > hash_att[att].local_usn:
1567 # This is always what we would have sent over DRS,
1568 # because the DRS server will have sent the
1569 # msDS-IntID, but with the values from both
1570 # attribute entries.
1571 hash_att[att].version = o.version
1572 hash_att[att].originating_change_time = o.originating_change_time
1573 hash_att[att].originating_invocation_id = o.originating_invocation_id
1574 hash_att[att].originating_usn = o.originating_usn
1575 hash_att[att].local_usn = o.local_usn
1577 # Do not re-add the value to the set or overwrite the hash value
1581 set_att.add(att.lower())
1583 # Generate a real list we can sort on properly
1584 new_list = [o for o in ctr.array if o.attid not in remove_attid]
1586 if (len(wrong_attids) > 0):
1588 if o.attid in wrong_attids:
1589 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
1590 correct_attid = self.samdb_schema.get_attid_from_lDAPDisplayName(att, is_schema_nc=in_schema_nc)
1591 self.report('ERROR: incorrect attributeID values in %s on %s\n' % (attr, dn))
1592 if not self.confirm_all('Fix %s on %s by replacing incorrect value 0x%08x for %s (new 0x%08x)?'
1593 % (attr, dn, o.attid, att, hash_att[att].attid), 'fix_replmetadata_wrong_attid'):
1594 self.report('Not fixing incorrect value 0x%08x with 0x%08x for %s in %s on %s\n'
1595 % (o.attid, correct_attid, att, attr, dn))
1598 o.attid = correct_attid
1600 # Sort the array, (we changed the value so must re-sort)
1601 new_list[:] = sorted(new_list[:], key=lambda o: o.attid)
1603 # If we did not already need to fix it, then ask about sorting
1605 self.report('ERROR: unsorted attributeID values in %s on %s\n' % (attr, dn))
1606 if not self.confirm_all('Fix %s on %s by sorting the attribute list?'
1607 % (attr, dn), 'fix_replmetadata_unsorted_attid'):
1608 self.report('Not fixing %s on %s\n' % (attr, dn))
1611 # The actual sort done is done at the top of the function
1613 ctr.count = len(new_list)
1614 ctr.array = new_list
1615 replBlob = ndr_pack(repl)
1617 nmsg = ldb.Message()
1619 nmsg[attr] = ldb.MessageElement(replBlob, ldb.FLAG_MOD_REPLACE, attr)
1620 if self.do_modify(nmsg, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA,
1621 "local_oid:1.3.6.1.4.1.7165.4.3.14:0",
1622 "local_oid:1.3.6.1.4.1.7165.4.3.25:0"],
1623 "Failed to fix attribute %s" % attr):
1624 self.report("Fixed attribute '%s' of '%s'\n" % (attr, dn))
1627 def is_deleted_deleted_objects(self, obj):
1629 if "description" not in obj:
1630 self.report("ERROR: description not present on Deleted Objects container %s" % obj.dn)
1632 if "showInAdvancedViewOnly" not in obj or obj['showInAdvancedViewOnly'][0].upper() == 'FALSE':
1633 self.report("ERROR: showInAdvancedViewOnly not present on Deleted Objects container %s" % obj.dn)
1635 if "objectCategory" not in obj:
1636 self.report("ERROR: objectCategory not present on Deleted Objects container %s" % obj.dn)
1638 if "isCriticalSystemObject" not in obj or obj['isCriticalSystemObject'][0].upper() == 'FALSE':
1639 self.report("ERROR: isCriticalSystemObject not present on Deleted Objects container %s" % obj.dn)
1641 if "isRecycled" in obj:
1642 self.report("ERROR: isRecycled present on Deleted Objects container %s" % obj.dn)
1644 if "isDeleted" in obj and obj['isDeleted'][0].upper() == 'FALSE':
1645 self.report("ERROR: isDeleted not set on Deleted Objects container %s" % obj.dn)
1647 if "objectClass" not in obj or (len(obj['objectClass']) != 2 or
1648 obj['objectClass'][0] != 'top' or
1649 obj['objectClass'][1] != 'container'):
1650 self.report("ERROR: objectClass incorrectly set on Deleted Objects container %s" % obj.dn)
1652 if "systemFlags" not in obj or obj['systemFlags'][0] != '-1946157056':
1653 self.report("ERROR: systemFlags incorrectly set on Deleted Objects container %s" % obj.dn)
1657 def err_deleted_deleted_objects(self, obj):
1658 nmsg = ldb.Message()
1659 nmsg.dn = dn = obj.dn
1661 if "description" not in obj:
1662 nmsg["description"] = ldb.MessageElement("Container for deleted objects", ldb.FLAG_MOD_REPLACE, "description")
1663 if "showInAdvancedViewOnly" not in obj:
1664 nmsg["showInAdvancedViewOnly"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "showInAdvancedViewOnly")
1665 if "objectCategory" not in obj:
1666 nmsg["objectCategory"] = ldb.MessageElement("CN=Container,%s" % self.schema_dn, ldb.FLAG_MOD_REPLACE, "objectCategory")
1667 if "isCriticalSystemObject" not in obj:
1668 nmsg["isCriticalSystemObject"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isCriticalSystemObject")
1669 if "isRecycled" in obj:
1670 nmsg["isRecycled"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_DELETE, "isRecycled")
1672 nmsg["isDeleted"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isDeleted")
1673 nmsg["systemFlags"] = ldb.MessageElement("-1946157056", ldb.FLAG_MOD_REPLACE, "systemFlags")
1674 nmsg["objectClass"] = ldb.MessageElement(["top", "container"], ldb.FLAG_MOD_REPLACE, "objectClass")
1676 if not self.confirm_all('Fix Deleted Objects container %s by restoring default attributes?'
1677 % (dn), 'fix_deleted_deleted_objects'):
1678 self.report('Not fixing missing/incorrect attributes on %s\n' % (dn))
1681 if self.do_modify(nmsg, ["relax:0"],
1682 "Failed to fix Deleted Objects container %s" % dn):
1683 self.report("Fixed Deleted Objects container '%s'\n" % (dn))
1685 def err_replica_locations(self, obj, cross_ref, attr):
1686 nmsg = ldb.Message()
1688 target = self.samdb.get_dsServiceName()
1690 if self.samdb.am_rodc():
1691 self.report('Not fixing %s for the RODC' % (attr, obj.dn))
1694 if not self.confirm_all('Add yourself to the replica locations for %s?'
1695 % (obj.dn), 'fix_replica_locations'):
1696 self.report('Not fixing missing/incorrect attributes on %s\n' % (obj.dn))
1699 nmsg[attr] = ldb.MessageElement(target, ldb.FLAG_MOD_ADD, attr)
1700 if self.do_modify(nmsg, [], "Failed to add %s for %s" % (attr, obj.dn)):
1701 self.report("Fixed %s for %s" % (attr, obj.dn))
1703 def is_fsmo_role(self, dn):
1704 if dn == self.samdb.domain_dn:
1706 if dn == self.infrastructure_dn:
1708 if dn == self.naming_dn:
1710 if dn == self.schema_dn:
1712 if dn == self.rid_dn:
1717 def calculate_instancetype(self, dn):
1719 nc_root = self.samdb.get_nc_root(dn)
1721 instancetype |= dsdb.INSTANCE_TYPE_IS_NC_HEAD
1723 self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE, attrs=[], controls=["show_recycled:1"])
1724 except ldb.LdbError, (enum, estr):
1725 if enum != ldb.ERR_NO_SUCH_OBJECT:
1728 instancetype |= dsdb.INSTANCE_TYPE_NC_ABOVE
1730 if self.write_ncs is not None and str(nc_root) in self.write_ncs:
1731 instancetype |= dsdb.INSTANCE_TYPE_WRITE
1735 def get_wellknown_sd(self, dn):
1736 for [sd_dn, descriptor_fn] in self.wellknown_sds:
1738 domain_sid = security.dom_sid(self.samdb.get_domain_sid())
1739 return ndr_unpack(security.descriptor,
1740 descriptor_fn(domain_sid,
1741 name_map=self.name_map))
1745 def check_object(self, dn, attrs=['*']):
1746 '''check one object'''
1748 self.report("Checking object %s" % dn)
1750 # If we modify the pass-by-reference attrs variable, then we get a
1751 # replPropertyMetadata for every object that we check.
1753 if "dn" in map(str.lower, attrs):
1754 attrs.append("name")
1755 if "distinguishedname" in map(str.lower, attrs):
1756 attrs.append("name")
1757 if str(dn.get_rdn_name()).lower() in map(str.lower, attrs):
1758 attrs.append("name")
1759 if 'name' in map(str.lower, attrs):
1760 attrs.append(dn.get_rdn_name())
1761 attrs.append("isDeleted")
1762 attrs.append("systemFlags")
1764 attrs.append("replPropertyMetaData")
1766 attrs.append("objectGUID")
1770 sd_flags |= security.SECINFO_OWNER
1771 sd_flags |= security.SECINFO_GROUP
1772 sd_flags |= security.SECINFO_DACL
1773 sd_flags |= security.SECINFO_SACL
1775 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
1780 "sd_flags:1:%d" % sd_flags,
1781 "reveal_internals:0",
1784 except ldb.LdbError, (enum, estr):
1785 if enum == ldb.ERR_NO_SUCH_OBJECT:
1786 if self.in_transaction:
1787 self.report("ERROR: Object %s disappeared during check" % dn)
1792 self.report("ERROR: Object %s failed to load during check" % dn)
1796 set_attrs_from_md = set()
1797 set_attrs_seen = set()
1798 got_repl_property_meta_data = False
1799 got_objectclass = False
1801 nc_dn = self.samdb.get_nc_root(obj.dn)
1803 deleted_objects_dn = self.samdb.get_wellknown_dn(nc_dn,
1804 samba.dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER)
1806 # We have no deleted objects DN for schema, and we check for this above for the other
1808 deleted_objects_dn = None
1811 object_rdn_attr = None
1812 object_rdn_val = None
1817 for attrname in obj:
1818 if attrname == 'dn' or attrname == "distinguishedName":
1821 if str(attrname).lower() == 'objectclass':
1822 got_objectclass = True
1824 if str(attrname).lower() == "name":
1825 if len(obj[attrname]) != 1:
1827 self.report("ERROR: Not fixing num_values(%d) for '%s' on '%s'" %
1828 (len(obj[attrname]), attrname, str(obj.dn)))
1830 name_val = obj[attrname][0]
1832 if str(attrname).lower() == str(obj.dn.get_rdn_name()).lower():
1833 object_rdn_attr = attrname
1834 if len(obj[attrname]) != 1:
1836 self.report("ERROR: Not fixing num_values(%d) for '%s' on '%s'" %
1837 (len(obj[attrname]), attrname, str(obj.dn)))
1839 object_rdn_val = obj[attrname][0]
1841 if str(attrname).lower() == 'isdeleted':
1842 if obj[attrname][0] != "FALSE":
1845 if str(attrname).lower() == 'systemflags':
1846 systemFlags = int(obj[attrname][0])
1848 if str(attrname).lower() == 'replpropertymetadata':
1849 if self.has_replmetadata_zero_invocationid(dn, obj[attrname]):
1851 self.err_replmetadata_zero_invocationid(dn, attrname, obj[attrname])
1852 # We don't continue, as we may also have other fixes for this attribute
1853 # based on what other attributes we see.
1856 (set_attrs_from_md, list_attid_from_md, wrong_attids) \
1857 = self.process_metadata(dn, obj[attrname])
1860 self.err_replmetadata_unknown_attid(dn, attrname, obj[attrname])
1863 if len(set_attrs_from_md) < len(list_attid_from_md) \
1864 or len(wrong_attids) > 0 \
1865 or sorted(list_attid_from_md) != list_attid_from_md:
1867 self.err_replmetadata_incorrect_attid(dn, attrname, obj[attrname], wrong_attids)
1870 # Here we check that the first attid is 0
1872 if list_attid_from_md[0] != 0:
1874 self.report("ERROR: Not fixing incorrect inital attributeID in '%s' on '%s', it should be objectClass" %
1875 (attrname, str(dn)))
1877 got_repl_property_meta_data = True
1880 if str(attrname).lower() == 'ntsecuritydescriptor':
1881 (sd, sd_broken) = self.process_sd(dn, obj)
1882 if sd_broken is not None:
1883 self.err_wrong_sd(dn, sd, sd_broken)
1887 if sd.owner_sid is None or sd.group_sid is None:
1888 self.err_missing_sd_owner(dn, sd)
1892 if self.reset_well_known_acls:
1894 well_known_sd = self.get_wellknown_sd(dn)
1898 current_sd = ndr_unpack(security.descriptor,
1899 str(obj[attrname][0]))
1901 diff = get_diff_sds(well_known_sd, current_sd, security.dom_sid(self.samdb.get_domain_sid()))
1903 self.err_wrong_default_sd(dn, well_known_sd, current_sd, diff)
1908 if str(attrname).lower() == 'objectclass':
1909 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, obj[attrname])
1910 # Do not consider the attribute incorrect if:
1911 # - The sorted (alphabetically) list is the same, inclding case
1912 # - The first and last elements are the same
1914 # This avoids triggering an error due to
1915 # non-determinism in the sort routine in (at least)
1916 # 4.3 and earlier, and the fact that any AUX classes
1917 # in these attributes are also not sorted when
1918 # imported from Windows (they are just in the reverse
1919 # order of last set)
1920 if sorted(normalised) != sorted(obj[attrname]) \
1921 or normalised[0] != obj[attrname][0] \
1922 or normalised[-1] != obj[attrname][-1]:
1923 self.err_normalise_mismatch_replace(dn, attrname, list(obj[attrname]))
1927 if str(attrname).lower() == 'userparameters':
1928 if len(obj[attrname][0]) == 1 and obj[attrname][0][0] == '\x20':
1930 self.err_short_userParameters(obj, attrname, obj[attrname])
1933 elif obj[attrname][0][:16] == '\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00':
1934 # This is the correct, normal prefix
1937 elif obj[attrname][0][:20] == 'IAAgACAAIAAgACAAIAAg':
1938 # this is the typical prefix from a windows migration
1940 self.err_base64_userParameters(obj, attrname, obj[attrname])
1943 elif obj[attrname][0][1] != '\x00' and obj[attrname][0][3] != '\x00' and obj[attrname][0][5] != '\x00' and obj[attrname][0][7] != '\x00' and obj[attrname][0][9] != '\x00':
1944 # This is a prefix that is not in UTF-16 format for the space or munged dialback prefix
1946 self.err_utf8_userParameters(obj, attrname, obj[attrname])
1949 elif len(obj[attrname][0]) % 2 != 0:
1950 # This is a value that isn't even in length
1952 self.err_odd_userParameters(obj, attrname, obj[attrname])
1955 elif obj[attrname][0][1] == '\x00' and obj[attrname][0][2] == '\x00' and obj[attrname][0][3] == '\x00' and obj[attrname][0][4] != '\x00' and obj[attrname][0][5] == '\x00':
1956 # This is a prefix that would happen if a SAMR-written value was replicated from a Samba 4.1 server to a working server
1958 self.err_doubled_userParameters(obj, attrname, obj[attrname])
1961 if attrname.lower() == 'attributeid' or attrname.lower() == 'governsid':
1962 if obj[attrname][0] in self.attribute_or_class_ids:
1964 self.report('Error: %s %s on %s already exists as an attributeId or governsId'
1965 % (attrname, obj.dn, obj[attrname][0]))
1967 self.attribute_or_class_ids.add(obj[attrname][0])
1969 # check for empty attributes
1970 for val in obj[attrname]:
1972 self.err_empty_attribute(dn, attrname)
1976 # get the syntax oid for the attribute, so we can can have
1977 # special handling for some specific attribute types
1979 syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
1980 except Exception, msg:
1981 self.err_unknown_attribute(obj, attrname)
1985 linkID, reverse_link_name = self.get_attr_linkID_and_reverse_name(attrname)
1987 flag = self.samdb_schema.get_systemFlags_from_lDAPDisplayName(attrname)
1988 if (not flag & dsdb.DS_FLAG_ATTR_NOT_REPLICATED
1989 and not flag & dsdb.DS_FLAG_ATTR_IS_CONSTRUCTED
1991 set_attrs_seen.add(str(attrname).lower())
1993 if syntax_oid in [ dsdb.DSDB_SYNTAX_BINARY_DN, dsdb.DSDB_SYNTAX_OR_NAME,
1994 dsdb.DSDB_SYNTAX_STRING_DN, ldb.SYNTAX_DN ]:
1995 # it's some form of DN, do specialised checking on those
1996 error_count += self.check_dn(obj, attrname, syntax_oid)
2000 # check for incorrectly normalised attributes
2001 for val in obj[attrname]:
2002 values.add(str(val))
2004 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, [val])
2005 if len(normalised) != 1 or normalised[0] != val:
2006 self.err_normalise_mismatch(dn, attrname, obj[attrname])
2010 if len(obj[attrname]) != len(values):
2011 self.err_duplicate_values(dn, attrname, obj[attrname], list(values))
2015 if str(attrname).lower() == "instancetype":
2016 calculated_instancetype = self.calculate_instancetype(dn)
2017 if len(obj["instanceType"]) != 1 or obj["instanceType"][0] != str(calculated_instancetype):
2019 self.err_wrong_instancetype(obj, calculated_instancetype)
2021 if not got_objectclass and ("*" in attrs or "objectclass" in map(str.lower, attrs)):
2023 self.err_missing_objectclass(dn)
2025 if ("*" in attrs or "name" in map(str.lower, attrs)):
2026 if name_val is None:
2028 self.report("ERROR: Not fixing missing 'name' on '%s'" % (str(obj.dn)))
2029 if object_rdn_attr is None:
2031 self.report("ERROR: Not fixing missing '%s' on '%s'" % (obj.dn.get_rdn_name(), str(obj.dn)))
2033 if name_val is not None:
2036 if not (systemFlags & samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE):
2037 parent_dn = deleted_objects_dn
2038 if parent_dn is None:
2039 parent_dn = obj.dn.parent()
2040 expected_dn = ldb.Dn(self.samdb, "RDN=RDN,%s" % (parent_dn))
2041 expected_dn.set_component(0, obj.dn.get_rdn_name(), name_val)
2043 if obj.dn == deleted_objects_dn:
2044 expected_dn = obj.dn
2046 if expected_dn != obj.dn:
2048 self.err_wrong_dn(obj, expected_dn, object_rdn_attr, object_rdn_val, name_val)
2049 elif obj.dn.get_rdn_value() != object_rdn_val:
2051 self.report("ERROR: Not fixing %s=%r on '%s'" % (object_rdn_attr, object_rdn_val, str(obj.dn)))
2054 if got_repl_property_meta_data:
2055 if obj.dn == deleted_objects_dn:
2056 isDeletedAttId = 131120
2057 # It's 29/12/9999 at 23:59:59 UTC as specified in MS-ADTS 7.1.1.4.2 Deleted Objects Container
2059 expectedTimeDo = 2650466015990000000
2060 originating = self.get_originating_time(obj["replPropertyMetaData"], isDeletedAttId)
2061 if originating != expectedTimeDo:
2062 if self.confirm_all("Fix isDeleted originating_change_time on '%s'" % str(dn), 'fix_time_metadata'):
2063 nmsg = ldb.Message()
2065 nmsg["isDeleted"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isDeleted")
2067 self.samdb.modify(nmsg, controls=["provision:0"])
2070 self.report("Not fixing isDeleted originating_change_time on '%s'" % str(dn))
2072 for att in set_attrs_seen.difference(set_attrs_from_md):
2074 self.report("On object %s" % dn)
2077 self.report("ERROR: Attribute %s not present in replication metadata" % att)
2078 if not self.confirm_all("Fix missing replPropertyMetaData element '%s'" % att, 'fix_all_metadata'):
2079 self.report("Not fixing missing replPropertyMetaData element '%s'" % att)
2081 self.fix_metadata(obj, att)
2083 if self.is_fsmo_role(dn):
2084 if "fSMORoleOwner" not in obj and ("*" in attrs or "fsmoroleowner" in map(str.lower, attrs)):
2085 self.err_no_fsmoRoleOwner(obj)
2089 if dn != self.samdb.get_root_basedn() and str(dn.parent()) not in self.dn_set:
2090 res = self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE,
2091 controls=["show_recycled:1", "show_deleted:1"])
2092 except ldb.LdbError, (enum, estr):
2093 if enum == ldb.ERR_NO_SUCH_OBJECT:
2094 self.err_missing_parent(obj)
2099 if dn in self.deleted_objects_containers and '*' in attrs:
2100 if self.is_deleted_deleted_objects(obj):
2101 self.err_deleted_deleted_objects(obj)
2104 for (dns_part, msg) in self.dns_partitions:
2105 if dn == dns_part and 'repsFrom' in obj:
2106 location = "msDS-NC-Replica-Locations"
2107 if self.samdb.am_rodc():
2108 location = "msDS-NC-RO-Replica-Locations"
2110 if location not in msg:
2111 # There are no replica locations!
2112 self.err_replica_locations(obj, msg.dn, location)
2117 for loc in msg[location]:
2118 if loc == self.samdb.get_dsServiceName():
2121 # This DC is not in the replica locations
2122 self.err_replica_locations(obj, msg.dn, location)
2125 if dn == self.server_ref_dn:
2126 # Check we have a valid RID Set
2127 if "*" in attrs or "rIDSetReferences" in attrs:
2128 if "rIDSetReferences" not in obj:
2129 # NO RID SET reference
2130 # We are RID master, allocate it.
2133 if self.is_rid_master:
2134 # Allocate a RID Set
2135 if self.confirm_all('Allocate the missing RID set for RID master?',
2136 'fix_missing_rid_set_master'):
2138 # We don't have auto-transaction logic on
2139 # extended operations, so we have to do it
2142 self.samdb.transaction_start()
2145 self.samdb.create_own_rid_set()
2148 self.samdb.transaction_cancel()
2151 self.samdb.transaction_commit()
2154 elif not self.samdb.am_rodc():
2155 self.report("No RID Set found for this server: %s, and we are not the RID Master (so can not self-allocate)" % dn)
2158 # Check some details of our own RID Set
2159 if dn == self.rid_set_dn:
2160 res = self.samdb.search(base=self.rid_set_dn, scope=ldb.SCOPE_BASE,
2161 attrs=["rIDAllocationPool",
2162 "rIDPreviousAllocationPool",
2165 if "rIDAllocationPool" not in res[0]:
2166 self.report("No rIDAllocationPool found in %s" % dn)
2169 next_pool = int(res[0]["rIDAllocationPool"][0])
2171 high = (0xFFFFFFFF00000000 & next_pool) >> 32
2172 low = 0x00000000FFFFFFFF & next_pool
2175 self.report("Invalid RID set %d-%s, %d > %d!" % (low, high, low, high))
2178 if "rIDNextRID" in res[0]:
2179 next_free_rid = int(res[0]["rIDNextRID"][0])
2183 if next_free_rid == 0:
2188 # Check the remainder of this pool for conflicts. If
2189 # ridalloc_allocate_rid() moves to a new pool, this
2190 # will be above high, so we will stop.
2191 while next_free_rid <= high:
2192 sid = "%s-%d" % (self.samdb.get_domain_sid(), next_free_rid)
2194 res = self.samdb.search(base="<SID=%s>" % sid, scope=ldb.SCOPE_BASE,
2196 except ldb.LdbError, (enum, estr):
2197 if enum != ldb.ERR_NO_SUCH_OBJECT:
2201 self.report("SID %s for %s conflicts with our current RID set in %s" % (sid, res[0].dn, dn))
2204 if self.confirm_all('Fix conflict between SID %s and RID pool in %s by allocating a new RID?'
2206 'fix_sid_rid_set_conflict'):
2207 self.samdb.transaction_start()
2209 # This will burn RIDs, which will move
2210 # past the conflict. We then check again
2211 # to see if the new RID conflicts, until
2212 # the end of the current pool. We don't
2213 # look at the next pool to avoid burning
2214 # all RIDs in one go in some strange
2218 allocated_rid = self.samdb.allocate_rid()
2219 if allocated_rid >= next_free_rid:
2220 next_free_rid = allocated_rid + 1
2223 self.samdb.transaction_cancel()
2226 self.samdb.transaction_commit()
2235 ################################################################
2236 # check special @ROOTDSE attributes
2237 def check_rootdse(self):
2238 '''check the @ROOTDSE special object'''
2239 dn = ldb.Dn(self.samdb, '@ROOTDSE')
2241 self.report("Checking object %s" % dn)
2242 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE)
2244 self.report("Object %s disappeared during check" % dn)
2249 # check that the dsServiceName is in GUID form
2250 if not 'dsServiceName' in obj:
2251 self.report('ERROR: dsServiceName missing in @ROOTDSE')
2252 return error_count+1
2254 if not obj['dsServiceName'][0].startswith('<GUID='):
2255 self.report('ERROR: dsServiceName not in GUID form in @ROOTDSE')
2257 if not self.confirm('Change dsServiceName to GUID form?'):
2259 res = self.samdb.search(base=ldb.Dn(self.samdb, obj['dsServiceName'][0]),
2260 scope=ldb.SCOPE_BASE, attrs=['objectGUID'])
2261 guid_str = str(ndr_unpack(misc.GUID, res[0]['objectGUID'][0]))
2264 m['dsServiceName'] = ldb.MessageElement("<GUID=%s>" % guid_str,
2265 ldb.FLAG_MOD_REPLACE, 'dsServiceName')
2266 if self.do_modify(m, [], "Failed to change dsServiceName to GUID form", validate=False):
2267 self.report("Changed dsServiceName to GUID form")
2271 ###############################################
2272 # re-index the database
2273 def reindex_database(self):
2274 '''re-index the whole database'''
2276 m.dn = ldb.Dn(self.samdb, "@ATTRIBUTES")
2277 m['add'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_ADD, 'force_reindex')
2278 m['delete'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_DELETE, 'force_reindex')
2279 return self.do_modify(m, [], 're-indexed database', validate=False)
2281 ###############################################
2283 def reset_modules(self):
2284 '''reset @MODULES to that needed for current sam.ldb (to read a very old database)'''
2286 m.dn = ldb.Dn(self.samdb, "@MODULES")
2287 m['@LIST'] = ldb.MessageElement('samba_dsdb', ldb.FLAG_MOD_REPLACE, '@LIST')
2288 return self.do_modify(m, [], 'reset @MODULES on database', validate=False)