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_metadata = False
63 self.fix_time_metadata = False
64 self.fix_undead_linked_attributes = False
65 self.fix_all_missing_backlinks = False
66 self.fix_all_orphaned_backlinks = False
67 self.fix_rmd_flags = False
68 self.fix_ntsecuritydescriptor = False
69 self.fix_ntsecuritydescriptor_owner_group = False
70 self.seize_fsmo_role = False
71 self.move_to_lost_and_found = False
72 self.fix_instancetype = False
73 self.fix_replmetadata_zero_invocationid = False
74 self.fix_replmetadata_duplicate_attid = False
75 self.fix_replmetadata_wrong_attid = False
76 self.fix_replmetadata_unsorted_attid = False
77 self.fix_deleted_deleted_objects = False
78 self.fix_incorrect_deleted_objects = False
80 self.fix_base64_userparameters = False
81 self.fix_utf8_userparameters = False
82 self.fix_doubled_userparameters = False
83 self.fix_sid_rid_set_conflict = False
84 self.reset_well_known_acls = reset_well_known_acls
85 self.reset_all_well_known_acls = False
86 self.in_transaction = in_transaction
87 self.infrastructure_dn = ldb.Dn(samdb, "CN=Infrastructure," + samdb.domain_dn())
88 self.naming_dn = ldb.Dn(samdb, "CN=Partitions,%s" % samdb.get_config_basedn())
89 self.schema_dn = samdb.get_schema_basedn()
90 self.rid_dn = ldb.Dn(samdb, "CN=RID Manager$,CN=System," + samdb.domain_dn())
91 self.ntds_dsa = ldb.Dn(samdb, samdb.get_dsServiceName())
92 self.class_schemaIDGUID = {}
93 self.wellknown_sds = get_wellknown_sds(self.samdb)
94 self.fix_all_missing_objectclass = False
95 self.fix_missing_deleted_objects = False
96 self.fix_replica_locations = False
97 self.fix_missing_rid_set_master = False
100 self.link_id_cache = {}
103 res = samdb.search(base="CN=DnsAdmins,CN=Users,%s" % samdb.domain_dn(), scope=ldb.SCOPE_BASE,
105 dnsadmins_sid = ndr_unpack(security.dom_sid, res[0]["objectSid"][0])
106 self.name_map['DnsAdmins'] = str(dnsadmins_sid)
107 except ldb.LdbError, (enum, estr):
108 if enum != ldb.ERR_NO_SUCH_OBJECT:
112 self.system_session_info = system_session()
113 self.admin_session_info = admin_session(None, samdb.get_domain_sid())
115 res = self.samdb.search(base=self.ntds_dsa, scope=ldb.SCOPE_BASE, attrs=['msDS-hasMasterNCs', 'hasMasterNCs'])
116 if "msDS-hasMasterNCs" in res[0]:
117 self.write_ncs = res[0]["msDS-hasMasterNCs"]
119 # If the Forest Level is less than 2003 then there is no
120 # msDS-hasMasterNCs, so we fall back to hasMasterNCs
121 # no need to merge as all the NCs that are in hasMasterNCs must
122 # also be in msDS-hasMasterNCs (but not the opposite)
123 if "hasMasterNCs" in res[0]:
124 self.write_ncs = res[0]["hasMasterNCs"]
126 self.write_ncs = None
128 res = self.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=['namingContexts'])
129 self.deleted_objects_containers = []
130 self.ncs_lacking_deleted_containers = []
131 self.dns_partitions = []
133 self.ncs = res[0]["namingContexts"]
141 dn = self.samdb.get_wellknown_dn(ldb.Dn(self.samdb, nc),
142 dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER)
143 self.deleted_objects_containers.append(dn)
145 self.ncs_lacking_deleted_containers.append(ldb.Dn(self.samdb, nc))
147 domaindns_zone = 'DC=DomainDnsZones,%s' % self.samdb.get_default_basedn()
148 forestdns_zone = 'DC=ForestDnsZones,%s' % self.samdb.get_root_basedn()
149 domain = self.samdb.search(scope=ldb.SCOPE_ONELEVEL,
150 attrs=["msDS-NC-Replica-Locations", "msDS-NC-RO-Replica-Locations"],
151 base=self.samdb.get_partitions_dn(),
152 expression="(&(objectClass=crossRef)(ncName=%s))" % domaindns_zone)
154 self.dns_partitions.append((ldb.Dn(self.samdb, forestdns_zone), domain[0]))
156 forest = self.samdb.search(scope=ldb.SCOPE_ONELEVEL,
157 attrs=["msDS-NC-Replica-Locations", "msDS-NC-RO-Replica-Locations"],
158 base=self.samdb.get_partitions_dn(),
159 expression="(&(objectClass=crossRef)(ncName=%s))" % forestdns_zone)
161 self.dns_partitions.append((ldb.Dn(self.samdb, domaindns_zone), forest[0]))
163 fsmo_dn = ldb.Dn(self.samdb, "CN=RID Manager$,CN=System," + self.samdb.domain_dn())
164 rid_master = get_fsmo_roleowner(self.samdb, fsmo_dn, "rid")
165 if ldb.Dn(self.samdb, self.samdb.get_dsServiceName()) == rid_master:
166 self.is_rid_master = True
168 self.is_rid_master = False
170 # To get your rid set
172 res = self.samdb.search(base=ldb.Dn(self.samdb, self.samdb.get_serverName()),
173 scope=ldb.SCOPE_BASE, attrs=["serverReference"])
174 # 2. Get server reference
175 self.server_ref_dn = ldb.Dn(self.samdb, res[0]['serverReference'][0])
178 res = self.samdb.search(base=self.server_ref_dn,
179 scope=ldb.SCOPE_BASE, attrs=['rIDSetReferences'])
180 if "rIDSetReferences" in res[0]:
181 self.rid_set_dn = ldb.Dn(self.samdb, res[0]['rIDSetReferences'][0])
183 self.rid_set_dn = None
185 def check_database(self, DN=None, scope=ldb.SCOPE_SUBTREE, controls=[], attrs=['*']):
186 '''perform a database check, returning the number of errors found'''
187 res = self.samdb.search(base=DN, scope=scope, attrs=['dn'], controls=controls)
188 self.report('Checking %u objects' % len(res))
191 error_count += self.check_deleted_objects_containers()
193 self.attribute_or_class_ids = set()
196 self.dn_set.add(str(object.dn))
197 error_count += self.check_object(object.dn, attrs=attrs)
200 error_count += self.check_rootdse()
202 if error_count != 0 and not self.fix:
203 self.report("Please use --fix to fix these errors")
205 self.report('Checked %u objects (%u errors)' % (len(res), error_count))
208 def check_deleted_objects_containers(self):
209 """This function only fixes conflicts on the Deleted Objects
210 containers, not the attributes"""
212 for nc in self.ncs_lacking_deleted_containers:
213 if nc == self.schema_dn:
216 self.report("ERROR: NC %s lacks a reference to a Deleted Objects container" % nc)
217 if not self.confirm_all('Fix missing Deleted Objects container for %s?' % (nc), 'fix_missing_deleted_objects'):
220 dn = ldb.Dn(self.samdb, "CN=Deleted Objects")
225 # If something already exists here, add a conflict
226 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[],
227 controls=["show_deleted:1", "extended_dn:1:1",
228 "show_recycled:1", "reveal_internals:0"])
230 guid = res[0].dn.get_extended_component("GUID")
231 conflict_dn = ldb.Dn(self.samdb,
232 "CN=Deleted Objects\\0ACNF:%s" % str(misc.GUID(guid)))
233 conflict_dn.add_base(nc)
235 except ldb.LdbError, (enum, estr):
236 if enum == ldb.ERR_NO_SUCH_OBJECT:
239 self.report("Couldn't check for conflicting Deleted Objects container: %s" % estr)
242 if conflict_dn is not None:
244 self.samdb.rename(dn, conflict_dn, ["show_deleted:1", "relax:0", "show_recycled:1"])
245 except ldb.LdbError, (enum, estr):
246 self.report("Couldn't move old Deleted Objects placeholder: %s to %s: %s" % (dn, conflict_dn, estr))
249 # Refresh wellKnownObjects links
250 res = self.samdb.search(base=nc, scope=ldb.SCOPE_BASE,
251 attrs=['wellKnownObjects'],
252 controls=["show_deleted:1", "extended_dn:0",
253 "show_recycled:1", "reveal_internals:0"])
255 self.report("wellKnownObjects was not found for NC %s" % nc)
258 # Prevent duplicate deleted objects containers just in case
259 wko = res[0]["wellKnownObjects"]
261 proposed_objectguid = None
263 dsdb_dn = dsdb_Dn(self.samdb, o, dsdb.DSDB_SYNTAX_BINARY_DN)
264 if self.is_deleted_objects_dn(dsdb_dn):
265 self.report("wellKnownObjects had duplicate Deleted Objects value %s" % o)
266 # We really want to put this back in the same spot
267 # as the original one, so that on replication we
268 # merge, rather than conflict.
269 proposed_objectguid = dsdb_dn.dn.get_extended_component("GUID")
272 if proposed_objectguid is not None:
273 guid_suffix = "\nobjectGUID: %s" % str(misc.GUID(proposed_objectguid))
275 wko_prefix = "B:32:%s" % dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER
276 listwko.append('%s:%s' % (wko_prefix, dn))
279 # Insert a brand new Deleted Objects container
280 self.samdb.add_ldif("""dn: %s
282 objectClass: container
283 description: Container for deleted objects
285 isCriticalSystemObject: TRUE
286 showInAdvancedViewOnly: TRUE
287 systemFlags: -1946157056%s""" % (dn, guid_suffix),
288 controls=["relax:0", "provision:0"])
290 delta = ldb.Message()
291 delta.dn = ldb.Dn(self.samdb, str(res[0]["dn"]))
292 delta["wellKnownObjects"] = ldb.MessageElement(listwko,
293 ldb.FLAG_MOD_REPLACE,
296 # Insert the link to the brand new container
297 if self.do_modify(delta, ["relax:0"],
298 "NC %s lacks Deleted Objects WKGUID" % nc,
300 self.report("Added %s well known guid link" % dn)
302 self.deleted_objects_containers.append(dn)
306 def report(self, msg):
307 '''print a message unless quiet is set'''
311 def confirm(self, msg, allow_all=False, forced=False):
312 '''confirm a change'''
319 return common.confirm(msg, forced=forced, allow_all=allow_all)
321 ################################################################
322 # a local confirm function with support for 'all'
323 def confirm_all(self, msg, all_attr):
324 '''confirm a change with support for "all" '''
327 if getattr(self, all_attr) == 'NONE':
329 if getattr(self, all_attr) == 'ALL':
335 c = common.confirm(msg, forced=forced, allow_all=True)
337 setattr(self, all_attr, 'ALL')
340 setattr(self, all_attr, 'NONE')
344 def do_delete(self, dn, controls, msg):
345 '''delete dn with optional verbose output'''
347 self.report("delete DN %s" % dn)
349 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
350 self.samdb.delete(dn, controls=controls)
351 except Exception, err:
352 if self.in_transaction:
353 raise CommandError("%s : %s" % (msg, err))
354 self.report("%s : %s" % (msg, err))
358 def do_modify(self, m, controls, msg, validate=True):
359 '''perform a modify with optional verbose output'''
361 self.report(self.samdb.write_ldif(m, ldb.CHANGETYPE_MODIFY))
363 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
364 self.samdb.modify(m, controls=controls, validate=validate)
365 except Exception, err:
366 if self.in_transaction:
367 raise CommandError("%s : %s" % (msg, err))
368 self.report("%s : %s" % (msg, err))
372 def do_rename(self, from_dn, to_rdn, to_base, controls, msg):
373 '''perform a modify with optional verbose output'''
375 self.report("""dn: %s
379 newSuperior: %s""" % (str(from_dn), str(to_rdn), str(to_base)))
381 to_dn = to_rdn + to_base
382 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
383 self.samdb.rename(from_dn, to_dn, controls=controls)
384 except Exception, err:
385 if self.in_transaction:
386 raise CommandError("%s : %s" % (msg, err))
387 self.report("%s : %s" % (msg, err))
391 def get_attr_linkID_and_reverse_name(self, attrname):
392 if attrname in self.link_id_cache:
393 return self.link_id_cache[attrname]
394 linkID = self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)
396 revname = self.samdb_schema.get_backlink_from_lDAPDisplayName(attrname)
399 self.link_id_cache[attrname] = (linkID, revname)
400 return linkID, revname
402 def err_empty_attribute(self, dn, attrname):
403 '''fix empty attributes'''
404 self.report("ERROR: Empty attribute %s in %s" % (attrname, dn))
405 if not self.confirm_all('Remove empty attribute %s from %s?' % (attrname, dn), 'remove_all_empty_attributes'):
406 self.report("Not fixing empty attribute %s" % attrname)
411 m[attrname] = ldb.MessageElement('', ldb.FLAG_MOD_DELETE, attrname)
412 if self.do_modify(m, ["relax:0", "show_recycled:1"],
413 "Failed to remove empty attribute %s" % attrname, validate=False):
414 self.report("Removed empty attribute %s" % attrname)
416 def err_normalise_mismatch(self, dn, attrname, values):
417 '''fix attribute normalisation errors'''
418 self.report("ERROR: Normalisation error for attribute %s in %s" % (attrname, dn))
421 normalised = self.samdb.dsdb_normalise_attributes(
422 self.samdb_schema, attrname, [val])
423 if len(normalised) != 1:
424 self.report("Unable to normalise value '%s'" % val)
425 mod_list.append((val, ''))
426 elif (normalised[0] != val):
427 self.report("value '%s' should be '%s'" % (val, normalised[0]))
428 mod_list.append((val, normalised[0]))
429 if not self.confirm_all('Fix normalisation for %s from %s?' % (attrname, dn), 'fix_all_normalisation'):
430 self.report("Not fixing attribute %s" % attrname)
435 for i in range(0, len(mod_list)):
436 (val, nval) = mod_list[i]
437 m['value_%u' % i] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
439 m['normv_%u' % i] = ldb.MessageElement(nval, ldb.FLAG_MOD_ADD,
442 if self.do_modify(m, ["relax:0", "show_recycled:1"],
443 "Failed to normalise attribute %s" % attrname,
445 self.report("Normalised attribute %s" % attrname)
447 def err_normalise_mismatch_replace(self, dn, attrname, values):
448 '''fix attribute normalisation errors'''
449 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, values)
450 self.report("ERROR: Normalisation error for attribute '%s' in '%s'" % (attrname, dn))
451 self.report("Values/Order of values do/does not match: %s/%s!" % (values, list(normalised)))
452 if list(normalised) == values:
454 if not self.confirm_all("Fix normalisation for '%s' from '%s'?" % (attrname, dn), 'fix_all_normalisation'):
455 self.report("Not fixing attribute '%s'" % attrname)
460 m[attrname] = ldb.MessageElement(normalised, ldb.FLAG_MOD_REPLACE, attrname)
462 if self.do_modify(m, ["relax:0", "show_recycled:1"],
463 "Failed to normalise attribute %s" % attrname,
465 self.report("Normalised attribute %s" % attrname)
467 def err_duplicate_values(self, dn, attrname, dup_values, values):
468 '''fix attribute normalisation errors'''
469 self.report("ERROR: Duplicate values for attribute '%s' in '%s'" % (attrname, dn))
470 self.report("Values contain a duplicate: [%s]/[%s]!" % (','.join(dup_values), ','.join(values)))
471 if not self.confirm_all("Fix duplicates for '%s' from '%s'?" % (attrname, dn), 'fix_all_duplicates'):
472 self.report("Not fixing attribute '%s'" % attrname)
477 m[attrname] = ldb.MessageElement(values, ldb.FLAG_MOD_REPLACE, attrname)
479 if self.do_modify(m, ["relax:0", "show_recycled:1"],
480 "Failed to remove duplicate value on attribute %s" % attrname,
482 self.report("Removed duplicate value on attribute %s" % attrname)
484 def is_deleted_objects_dn(self, dsdb_dn):
485 '''see if a dsdb_Dn is the special Deleted Objects DN'''
486 return dsdb_dn.prefix == "B:32:%s:" % dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER
488 def err_missing_objectclass(self, dn):
489 """handle object without objectclass"""
490 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)))
491 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'):
492 self.report("Not deleting object with missing objectclass '%s'" % dn)
494 if self.do_delete(dn, ["relax:0"],
495 "Failed to remove DN %s" % dn):
496 self.report("Removed DN %s" % dn)
498 def err_deleted_dn(self, dn, attrname, val, dsdb_dn, correct_dn, remove_plausible=False):
499 """handle a DN pointing to a deleted object"""
500 self.report("ERROR: target DN is deleted for %s in object %s - %s" % (attrname, dn, val))
501 self.report("Target GUID points at deleted DN %r" % str(correct_dn))
502 if not remove_plausible:
503 if not self.confirm_all('Remove DN link?', 'remove_implausible_deleted_DN_links'):
504 self.report("Not removing")
507 if not self.confirm_all('Remove stale DN link?', 'remove_plausible_deleted_DN_links'):
508 self.report("Not removing")
513 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
514 if self.do_modify(m, ["show_recycled:1",
515 "local_oid:%s:0" % dsdb.DSDB_CONTROL_REPLMD_VANISH_LINKS],
516 "Failed to remove deleted DN attribute %s" % attrname):
517 self.report("Removed deleted DN on attribute %s" % attrname)
519 def err_missing_dn_GUID(self, dn, attrname, val, dsdb_dn):
520 """handle a missing target DN (both GUID and DN string form are missing)"""
521 # check if its a backlink
522 linkID, _ = self.get_attr_linkID_and_reverse_name(attrname)
523 if (linkID & 1 == 0) and str(dsdb_dn).find('\\0ADEL') == -1:
524 self.report("Not removing dangling forward link")
526 self.err_deleted_dn(dn, attrname, val, dsdb_dn, dsdb_dn, False)
528 def err_incorrect_dn_GUID(self, dn, attrname, val, dsdb_dn, errstr):
529 """handle a missing GUID extended DN component"""
530 self.report("ERROR: %s component for %s in object %s - %s" % (errstr, attrname, dn, val))
531 controls=["extended_dn:1:1", "show_recycled:1"]
533 res = self.samdb.search(base=str(dsdb_dn.dn), scope=ldb.SCOPE_BASE,
534 attrs=[], controls=controls)
535 except ldb.LdbError, (enum, estr):
536 self.report("unable to find object for DN %s - (%s)" % (dsdb_dn.dn, estr))
537 self.err_missing_dn_GUID(dn, attrname, val, dsdb_dn)
540 self.report("unable to find object for DN %s" % dsdb_dn.dn)
541 self.err_missing_dn_GUID(dn, attrname, val, dsdb_dn)
543 dsdb_dn.dn = res[0].dn
545 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_DN_GUIDs'):
546 self.report("Not fixing %s" % errstr)
550 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
551 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
553 if self.do_modify(m, ["show_recycled:1"],
554 "Failed to fix %s on attribute %s" % (errstr, attrname)):
555 self.report("Fixed %s on attribute %s" % (errstr, attrname))
557 def err_incorrect_binary_dn(self, dn, attrname, val, dsdb_dn, errstr):
558 """handle an incorrect binary DN component"""
559 self.report("ERROR: %s binary component for %s in object %s - %s" % (errstr, attrname, dn, val))
560 controls=["extended_dn:1:1", "show_recycled:1"]
562 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_binary_dn'):
563 self.report("Not fixing %s" % errstr)
567 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
568 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
570 if self.do_modify(m, ["show_recycled:1"],
571 "Failed to fix %s on attribute %s" % (errstr, attrname)):
572 self.report("Fixed %s on attribute %s" % (errstr, attrname))
574 def err_dn_component_target_mismatch(self, dn, attrname, val, dsdb_dn, correct_dn, mismatch_type):
575 """handle a DN string being incorrect"""
576 self.report("ERROR: incorrect DN %s component for %s in object %s - %s" % (mismatch_type, attrname, dn, val))
577 dsdb_dn.dn = correct_dn
579 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn),
580 'fix_all_%s_dn_component_mismatch' % mismatch_type):
581 self.report("Not fixing %s component mismatch" % mismatch_type)
585 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
586 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
587 if self.do_modify(m, ["show_recycled:1"],
588 "Failed to fix incorrect DN %s on attribute %s" % (mismatch_type, attrname)):
589 self.report("Fixed incorrect DN %s on attribute %s" % (mismatch_type, attrname))
591 def err_unknown_attribute(self, obj, attrname):
592 '''handle an unknown attribute error'''
593 self.report("ERROR: unknown attribute '%s' in %s" % (attrname, obj.dn))
594 if not self.confirm_all('Remove unknown attribute %s' % attrname, 'remove_all_unknown_attributes'):
595 self.report("Not removing %s" % attrname)
599 m['old_value'] = ldb.MessageElement([], ldb.FLAG_MOD_DELETE, attrname)
600 if self.do_modify(m, ["relax:0", "show_recycled:1"],
601 "Failed to remove unknown attribute %s" % attrname):
602 self.report("Removed unknown attribute %s" % (attrname))
604 def err_undead_linked_attribute(self, obj, attrname, val):
605 '''handle a link that should not be there on a deleted object'''
606 self.report("ERROR: linked attribute '%s' to '%s' is present on "
607 "deleted object %s" % (attrname, val, obj.dn))
608 if not self.confirm_all('Remove linked attribute %s' % attrname, 'fix_undead_linked_attributes'):
609 self.report("Not removing linked attribute %s" % attrname)
613 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
615 if self.do_modify(m, ["show_recycled:1", "show_deleted:1", "reveal_internals:0",
616 "local_oid:%s:0" % dsdb.DSDB_CONTROL_REPLMD_VANISH_LINKS],
617 "Failed to delete forward link %s" % attrname):
618 self.report("Fixed undead forward link %s" % (attrname))
620 def err_missing_backlink(self, obj, attrname, val, backlink_name, target_dn):
621 '''handle a missing backlink value'''
622 self.report("ERROR: missing backlink attribute '%s' in %s for link %s in %s" % (backlink_name, target_dn, attrname, obj.dn))
623 if not self.confirm_all('Fix missing backlink %s' % backlink_name, 'fix_all_missing_backlinks'):
624 self.report("Not fixing missing backlink %s" % backlink_name)
628 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
629 m['new_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_ADD, attrname)
630 if self.do_modify(m, ["show_recycled:1"],
631 "Failed to fix missing backlink %s" % backlink_name):
632 self.report("Fixed missing backlink %s" % (backlink_name))
634 def err_incorrect_rmd_flags(self, obj, attrname, revealed_dn):
635 '''handle a incorrect RMD_FLAGS value'''
636 rmd_flags = int(revealed_dn.dn.get_extended_component("RMD_FLAGS"))
637 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()))
638 if not self.confirm_all('Fix incorrect RMD_FLAGS %u' % rmd_flags, 'fix_rmd_flags'):
639 self.report("Not fixing incorrect RMD_FLAGS %u" % rmd_flags)
643 m['old_value'] = ldb.MessageElement(str(revealed_dn), ldb.FLAG_MOD_DELETE, attrname)
644 if self.do_modify(m, ["show_recycled:1", "reveal_internals:0", "show_deleted:0"],
645 "Failed to fix incorrect RMD_FLAGS %u" % rmd_flags):
646 self.report("Fixed incorrect RMD_FLAGS %u" % (rmd_flags))
648 def err_orphaned_backlink(self, obj, attrname, val, link_name, target_dn):
649 '''handle a orphaned backlink value'''
650 self.report("ERROR: orphaned backlink attribute '%s' in %s for link %s in %s" % (attrname, obj.dn, link_name, target_dn))
651 if not self.confirm_all('Remove orphaned backlink %s' % link_name, 'fix_all_orphaned_backlinks'):
652 self.report("Not removing orphaned backlink %s" % link_name)
656 m['value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
657 if self.do_modify(m, ["show_recycled:1", "relax:0"],
658 "Failed to fix orphaned backlink %s" % link_name):
659 self.report("Fixed orphaned backlink %s" % (link_name))
661 def err_no_fsmoRoleOwner(self, obj):
662 '''handle a missing fSMORoleOwner'''
663 self.report("ERROR: fSMORoleOwner not found for role %s" % (obj.dn))
664 res = self.samdb.search("",
665 scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
667 serviceName = res[0]["dsServiceName"][0]
668 if not self.confirm_all('Sieze role %s onto current DC by adding fSMORoleOwner=%s' % (obj.dn, serviceName), 'seize_fsmo_role'):
669 self.report("Not Siezing role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
673 m['value'] = ldb.MessageElement(serviceName, ldb.FLAG_MOD_ADD, 'fSMORoleOwner')
674 if self.do_modify(m, [],
675 "Failed to sieze role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName)):
676 self.report("Siezed role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
678 def err_missing_parent(self, obj):
679 '''handle a missing parent'''
680 self.report("ERROR: parent object not found for %s" % (obj.dn))
681 if not self.confirm_all('Move object %s into LostAndFound?' % (obj.dn), 'move_to_lost_and_found'):
682 self.report('Not moving object %s into LostAndFound' % (obj.dn))
685 keep_transaction = False
686 self.samdb.transaction_start()
688 nc_root = self.samdb.get_nc_root(obj.dn);
689 lost_and_found = self.samdb.get_wellknown_dn(nc_root, dsdb.DS_GUID_LOSTANDFOUND_CONTAINER)
690 new_dn = ldb.Dn(self.samdb, str(obj.dn))
691 new_dn.remove_base_components(len(new_dn) - 1)
692 if self.do_rename(obj.dn, new_dn, lost_and_found, ["show_deleted:0", "relax:0"],
693 "Failed to rename object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found)):
694 self.report("Renamed object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found))
698 m['lastKnownParent'] = ldb.MessageElement(str(obj.dn.parent()), ldb.FLAG_MOD_REPLACE, 'lastKnownParent')
700 if self.do_modify(m, [],
701 "Failed to set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found)):
702 self.report("Set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found))
703 keep_transaction = True
705 self.samdb.transaction_cancel()
709 self.samdb.transaction_commit()
711 self.samdb.transaction_cancel()
713 def err_wrong_dn(self, obj, new_dn, rdn_attr, rdn_val, name_val):
714 '''handle a wrong dn'''
716 new_rdn = ldb.Dn(self.samdb, str(new_dn))
717 new_rdn.remove_base_components(len(new_rdn) - 1)
718 new_parent = new_dn.parent()
721 if rdn_val != name_val:
722 attributes += "%s=%r " % (rdn_attr, rdn_val)
723 attributes += "name=%r" % (name_val)
725 self.report("ERROR: wrong dn[%s] %s new_dn[%s]" % (obj.dn, attributes, new_dn))
726 if not self.confirm_all("Rename %s to %s?" % (obj.dn, new_dn), 'fix_dn'):
727 self.report("Not renaming %s to %s" % (obj.dn, new_dn))
730 if self.do_rename(obj.dn, new_rdn, new_parent, ["show_recycled:1", "relax:0"],
731 "Failed to rename object %s into %s" % (obj.dn, new_dn)):
732 self.report("Renamed %s into %s" % (obj.dn, new_dn))
734 def err_wrong_instancetype(self, obj, calculated_instancetype):
735 '''handle a wrong instanceType'''
736 self.report("ERROR: wrong instanceType %s on %s, should be %d" % (obj["instanceType"], obj.dn, calculated_instancetype))
737 if not self.confirm_all('Change instanceType from %s to %d on %s?' % (obj["instanceType"], calculated_instancetype, obj.dn), 'fix_instancetype'):
738 self.report('Not changing instanceType from %s to %d on %s' % (obj["instanceType"], calculated_instancetype, obj.dn))
743 m['value'] = ldb.MessageElement(str(calculated_instancetype), ldb.FLAG_MOD_REPLACE, 'instanceType')
744 if self.do_modify(m, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA],
745 "Failed to correct missing instanceType on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype)):
746 self.report("Corrected instancetype on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype))
748 def err_short_userParameters(self, obj, attrname, value):
749 # This is a truncated userParameters due to a pre 4.1 replication bug
750 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)))
752 def err_base64_userParameters(self, obj, attrname, value):
753 '''handle a wrong userParameters'''
754 self.report("ERROR: wrongly formatted userParameters %s on %s, should not be base64-encoded" % (value, obj.dn))
755 if not self.confirm_all('Convert userParameters from base64 encoding on %s?' % (obj.dn), 'fix_base64_userparameters'):
756 self.report('Not changing userParameters from base64 encoding on %s' % (obj.dn))
761 m['value'] = ldb.MessageElement(b64decode(obj[attrname][0]), ldb.FLAG_MOD_REPLACE, 'userParameters')
762 if self.do_modify(m, [],
763 "Failed to correct base64-encoded userParameters on %s by converting from base64" % (obj.dn)):
764 self.report("Corrected base64-encoded userParameters on %s by converting from base64" % (obj.dn))
766 def err_utf8_userParameters(self, obj, attrname, value):
767 '''handle a wrong userParameters'''
768 self.report("ERROR: wrongly formatted userParameters on %s, should not be psudo-UTF8 encoded" % (obj.dn))
769 if not self.confirm_all('Convert userParameters from UTF8 encoding on %s?' % (obj.dn), 'fix_utf8_userparameters'):
770 self.report('Not changing userParameters from UTF8 encoding on %s' % (obj.dn))
775 m['value'] = ldb.MessageElement(obj[attrname][0].decode('utf8').encode('utf-16-le'),
776 ldb.FLAG_MOD_REPLACE, 'userParameters')
777 if self.do_modify(m, [],
778 "Failed to correct psudo-UTF8 encoded userParameters on %s by converting from UTF8" % (obj.dn)):
779 self.report("Corrected psudo-UTF8 encoded userParameters on %s by converting from UTF8" % (obj.dn))
781 def err_doubled_userParameters(self, obj, attrname, value):
782 '''handle a wrong userParameters'''
783 self.report("ERROR: wrongly formatted userParameters on %s, should not be double UTF16 encoded" % (obj.dn))
784 if not self.confirm_all('Convert userParameters from doubled UTF-16 encoding on %s?' % (obj.dn), 'fix_doubled_userparameters'):
785 self.report('Not changing userParameters from doubled UTF-16 encoding on %s' % (obj.dn))
790 m['value'] = ldb.MessageElement(obj[attrname][0].decode('utf-16-le').decode('utf-16-le').encode('utf-16-le'),
791 ldb.FLAG_MOD_REPLACE, 'userParameters')
792 if self.do_modify(m, [],
793 "Failed to correct doubled-UTF16 encoded userParameters on %s by converting" % (obj.dn)):
794 self.report("Corrected doubled-UTF16 encoded userParameters on %s by converting" % (obj.dn))
796 def err_odd_userParameters(self, obj, attrname):
797 # This is a truncated userParameters due to a pre 4.1 replication bug
798 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)))
800 def find_revealed_link(self, dn, attrname, guid):
801 '''return a revealed link in an object'''
802 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[attrname],
803 controls=["show_deleted:0", "extended_dn:0", "reveal_internals:0"])
804 syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
805 for val in res[0][attrname]:
806 dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
807 guid2 = dsdb_dn.dn.get_extended_component("GUID")
812 def check_dn(self, obj, attrname, syntax_oid):
813 '''check a DN attribute for correctness'''
815 obj_guid = obj['objectGUID'][0]
817 for val in obj[attrname]:
818 dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
820 # all DNs should have a GUID component
821 guid = dsdb_dn.dn.get_extended_component("GUID")
824 self.err_incorrect_dn_GUID(obj.dn, attrname, val, dsdb_dn,
828 guidstr = str(misc.GUID(guid))
829 attrs = ['isDeleted', 'replPropertyMetaData']
831 if (str(attrname).lower() == 'msds-hasinstantiatedncs') and (obj.dn == self.ntds_dsa):
832 fixing_msDS_HasInstantiatedNCs = True
833 attrs.append("instanceType")
835 fixing_msDS_HasInstantiatedNCs = False
837 linkID, reverse_link_name = self.get_attr_linkID_and_reverse_name(attrname)
838 if reverse_link_name is not None:
839 attrs.append(reverse_link_name)
841 # check its the right GUID
843 res = self.samdb.search(base="<GUID=%s>" % guidstr, scope=ldb.SCOPE_BASE,
844 attrs=attrs, controls=["extended_dn:1:1", "show_recycled:1",
847 except ldb.LdbError, (enum, estr):
849 self.err_incorrect_dn_GUID(obj.dn, attrname, val, dsdb_dn, "incorrect GUID")
852 if fixing_msDS_HasInstantiatedNCs:
853 dsdb_dn.prefix = "B:8:%08X:" % int(res[0]['instanceType'][0])
854 dsdb_dn.binary = "%08X" % int(res[0]['instanceType'][0])
856 if str(dsdb_dn) != val:
858 self.err_incorrect_binary_dn(obj.dn, attrname, val, dsdb_dn, "incorrect instanceType part of Binary DN")
861 # now we have two cases - the source object might or might not be deleted
862 is_deleted = 'isDeleted' in obj and obj['isDeleted'][0].upper() == 'TRUE'
863 target_is_deleted = 'isDeleted' in res[0] and res[0]['isDeleted'][0].upper() == 'TRUE'
866 if is_deleted and not obj.dn in self.deleted_objects_containers and linkID:
867 # A fully deleted object should not have any linked
868 # attributes. (MS-ADTS 3.1.1.5.5.1.1 Tombstone
869 # Requirements and 3.1.1.5.5.1.3 Recycled-Object
871 self.err_undead_linked_attribute(obj, attrname, val)
874 elif target_is_deleted and not self.is_deleted_objects_dn(dsdb_dn) and linkID:
875 # the target DN is not allowed to be deleted, unless the target DN is the
876 # special Deleted Objects container
878 local_usn = dsdb_dn.dn.get_extended_component("RMD_LOCAL_USN")
880 if 'replPropertyMetaData' in res[0]:
881 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
882 str(res[0]['replPropertyMetadata']))
884 for o in repl.ctr.array:
885 if o.attid == drsuapi.DRSUAPI_ATTID_isDeleted:
886 deleted_usn = o.local_usn
887 if deleted_usn >= int(local_usn):
888 # If the object was deleted after the link
889 # was last modified then, clean it up here
894 self.err_deleted_dn(obj.dn, attrname,
895 val, dsdb_dn, res[0].dn, True)
898 self.err_deleted_dn(obj.dn, attrname, val, dsdb_dn, res[0].dn, False)
901 # check the DN matches in string form
902 if str(res[0].dn) != str(dsdb_dn.dn):
904 self.err_dn_component_target_mismatch(obj.dn, attrname, val, dsdb_dn,
908 if res[0].dn.get_extended_component("GUID") != dsdb_dn.dn.get_extended_component("GUID"):
910 self.err_dn_component_target_mismatch(obj.dn, attrname, val, dsdb_dn,
914 if res[0].dn.get_extended_component("SID") != dsdb_dn.dn.get_extended_component("SID"):
916 self.err_dn_component_target_mismatch(obj.dn, attrname, val, dsdb_dn,
921 # check the reverse_link is correct if there should be one
922 if reverse_link_name is not None:
924 if reverse_link_name in res[0]:
925 for v in res[0][reverse_link_name]:
926 v_guid = dsdb_Dn(self.samdb, v).dn.get_extended_component("GUID")
927 if v_guid == obj_guid:
930 if target_is_deleted:
933 self.err_missing_backlink(obj, attrname, val, reverse_link_name, dsdb_dn.dn)
935 self.err_orphaned_backlink(obj, attrname, val, reverse_link_name, dsdb_dn.dn)
944 def get_originating_time(self, val, attid):
945 '''Read metadata properties and return the originating time for
948 :return: the originating time or 0 if not found
951 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
954 for o in repl.ctr.array:
956 return o.originating_change_time
960 def process_metadata(self, dn, val):
961 '''Read metadata properties and list attributes in it.
962 raises KeyError if the attid is unknown.'''
967 in_schema_nc = dn.is_child_of(self.schema_dn)
969 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
972 for o in repl.ctr.array:
973 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
974 set_att.add(att.lower())
975 list_attid.append(o.attid)
976 correct_attid = self.samdb_schema.get_attid_from_lDAPDisplayName(att,
977 is_schema_nc=in_schema_nc)
978 if correct_attid != o.attid:
979 wrong_attids.add(o.attid)
981 return (set_att, list_attid, wrong_attids)
984 def fix_metadata(self, dn, attr):
985 '''re-write replPropertyMetaData elements for a single attribute for a
986 object. This is used to fix missing replPropertyMetaData elements'''
987 res = self.samdb.search(base = dn, scope=ldb.SCOPE_BASE, attrs = [attr],
988 controls = ["search_options:1:2", "show_recycled:1"])
992 nmsg[attr] = ldb.MessageElement(msg[attr], ldb.FLAG_MOD_REPLACE, attr)
993 if self.do_modify(nmsg, ["relax:0", "provision:0", "show_recycled:1"],
994 "Failed to fix metadata for attribute %s" % attr):
995 self.report("Fixed metadata for attribute %s" % attr)
997 def ace_get_effective_inherited_type(self, ace):
998 if ace.flags & security.SEC_ACE_FLAG_INHERIT_ONLY:
1002 if ace.type == security.SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT:
1004 elif ace.type == security.SEC_ACE_TYPE_ACCESS_DENIED_OBJECT:
1006 elif ace.type == security.SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT:
1008 elif ace.type == security.SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT:
1014 if not ace.object.flags & security.SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT:
1017 return str(ace.object.inherited_type)
1019 def lookup_class_schemaIDGUID(self, cls):
1020 if cls in self.class_schemaIDGUID:
1021 return self.class_schemaIDGUID[cls]
1023 flt = "(&(ldapDisplayName=%s)(objectClass=classSchema))" % cls
1024 res = self.samdb.search(base=self.schema_dn,
1026 attrs=["schemaIDGUID"])
1027 t = str(ndr_unpack(misc.GUID, res[0]["schemaIDGUID"][0]))
1029 self.class_schemaIDGUID[cls] = t
1032 def process_sd(self, dn, obj):
1033 sd_attr = "nTSecurityDescriptor"
1034 sd_val = obj[sd_attr]
1036 sd = ndr_unpack(security.descriptor, str(sd_val))
1038 is_deleted = 'isDeleted' in obj and obj['isDeleted'][0].upper() == 'TRUE'
1040 # we don't fix deleted objects
1043 sd_clean = security.descriptor()
1044 sd_clean.owner_sid = sd.owner_sid
1045 sd_clean.group_sid = sd.group_sid
1046 sd_clean.type = sd.type
1047 sd_clean.revision = sd.revision
1050 last_inherited_type = None
1053 if sd.sacl is not None:
1055 for i in range(0, len(aces)):
1058 if not ace.flags & security.SEC_ACE_FLAG_INHERITED_ACE:
1059 sd_clean.sacl_add(ace)
1062 t = self.ace_get_effective_inherited_type(ace)
1066 if last_inherited_type is not None:
1067 if t != last_inherited_type:
1068 # if it inherited from more than
1069 # one type it's very likely to be broken
1071 # If not the recalculation will calculate
1076 last_inherited_type = t
1079 if sd.dacl is not None:
1081 for i in range(0, len(aces)):
1084 if not ace.flags & security.SEC_ACE_FLAG_INHERITED_ACE:
1085 sd_clean.dacl_add(ace)
1088 t = self.ace_get_effective_inherited_type(ace)
1092 if last_inherited_type is not None:
1093 if t != last_inherited_type:
1094 # if it inherited from more than
1095 # one type it's very likely to be broken
1097 # If not the recalculation will calculate
1102 last_inherited_type = t
1105 return (sd_clean, sd)
1107 if last_inherited_type is None:
1113 cls = obj["objectClass"][-1]
1118 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
1119 attrs=["isDeleted", "objectClass"],
1120 controls=["show_recycled:1"])
1122 is_deleted = 'isDeleted' in o and o['isDeleted'][0].upper() == 'TRUE'
1124 # we don't fix deleted objects
1126 cls = o["objectClass"][-1]
1128 t = self.lookup_class_schemaIDGUID(cls)
1130 if t != last_inherited_type:
1132 return (sd_clean, sd)
1137 def err_wrong_sd(self, dn, sd, sd_broken):
1138 '''re-write the SD due to incorrect inherited ACEs'''
1139 sd_attr = "nTSecurityDescriptor"
1140 sd_val = ndr_pack(sd)
1141 sd_flags = security.SECINFO_DACL | security.SECINFO_SACL
1143 if not self.confirm_all('Fix %s on %s?' % (sd_attr, dn), 'fix_ntsecuritydescriptor'):
1144 self.report('Not fixing %s on %s\n' % (sd_attr, dn))
1147 nmsg = ldb.Message()
1149 nmsg[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
1150 if self.do_modify(nmsg, ["sd_flags:1:%d" % sd_flags],
1151 "Failed to fix attribute %s" % sd_attr):
1152 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
1154 def err_wrong_default_sd(self, dn, sd, sd_old, diff):
1155 '''re-write the SD due to not matching the default (optional mode for fixing an incorrect provision)'''
1156 sd_attr = "nTSecurityDescriptor"
1157 sd_val = ndr_pack(sd)
1158 sd_old_val = ndr_pack(sd_old)
1159 sd_flags = security.SECINFO_DACL | security.SECINFO_SACL
1160 if sd.owner_sid is not None:
1161 sd_flags |= security.SECINFO_OWNER
1162 if sd.group_sid is not None:
1163 sd_flags |= security.SECINFO_GROUP
1165 if not self.confirm_all('Reset %s on %s back to provision default?\n%s' % (sd_attr, dn, diff), 'reset_all_well_known_acls'):
1166 self.report('Not resetting %s on %s\n' % (sd_attr, dn))
1171 m[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
1172 if self.do_modify(m, ["sd_flags:1:%d" % sd_flags],
1173 "Failed to reset attribute %s" % sd_attr):
1174 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
1176 def err_missing_sd_owner(self, dn, sd):
1177 '''re-write the SD due to a missing owner or group'''
1178 sd_attr = "nTSecurityDescriptor"
1179 sd_val = ndr_pack(sd)
1180 sd_flags = security.SECINFO_OWNER | security.SECINFO_GROUP
1182 if not self.confirm_all('Fix missing owner or group in %s on %s?' % (sd_attr, dn), 'fix_ntsecuritydescriptor_owner_group'):
1183 self.report('Not fixing missing owner or group %s on %s\n' % (sd_attr, dn))
1186 nmsg = ldb.Message()
1188 nmsg[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
1190 # By setting the session_info to admin_session_info and
1191 # setting the security.SECINFO_OWNER | security.SECINFO_GROUP
1192 # flags we cause the descriptor module to set the correct
1193 # owner and group on the SD, replacing the None/NULL values
1194 # for owner_sid and group_sid currently present.
1196 # The admin_session_info matches that used in provision, and
1197 # is the best guess we can make for an existing object that
1198 # hasn't had something specifically set.
1200 # This is important for the dns related naming contexts.
1201 self.samdb.set_session_info(self.admin_session_info)
1202 if self.do_modify(nmsg, ["sd_flags:1:%d" % sd_flags],
1203 "Failed to fix metadata for attribute %s" % sd_attr):
1204 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
1205 self.samdb.set_session_info(self.system_session_info)
1208 def has_replmetadata_zero_invocationid(self, dn, repl_meta_data):
1209 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1210 str(repl_meta_data))
1214 # Search for a zero invocationID
1215 if o.originating_invocation_id != misc.GUID("00000000-0000-0000-0000-000000000000"):
1219 self.report('''ERROR: on replPropertyMetaData of %s, the instanceType on attribute 0x%08x,
1220 version %d changed at %s is 00000000-0000-0000-0000-000000000000,
1221 but should be non-zero. Proposed fix is to set to our invocationID (%s).'''
1222 % (dn, o.attid, o.version,
1223 time.ctime(samba.nttime2unix(o.originating_change_time)),
1224 self.samdb.get_invocation_id()))
1229 def err_replmetadata_zero_invocationid(self, dn, attr, repl_meta_data):
1230 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1231 str(repl_meta_data))
1233 now = samba.unix2nttime(int(time.time()))
1236 # Search for a zero invocationID
1237 if o.originating_invocation_id != misc.GUID("00000000-0000-0000-0000-000000000000"):
1241 seq = self.samdb.sequence_number(ldb.SEQ_NEXT)
1242 o.version = o.version + 1
1243 o.originating_change_time = now
1244 o.originating_invocation_id = misc.GUID(self.samdb.get_invocation_id())
1245 o.originating_usn = seq
1249 replBlob = ndr_pack(repl)
1253 if not self.confirm_all('Fix %s on %s by setting originating_invocation_id on some elements to our invocationID %s?'
1254 % (attr, dn, self.samdb.get_invocation_id()), 'fix_replmetadata_zero_invocationid'):
1255 self.report('Not fixing zero originating_invocation_id in %s on %s\n' % (attr, dn))
1258 nmsg = ldb.Message()
1260 nmsg[attr] = ldb.MessageElement(replBlob, ldb.FLAG_MOD_REPLACE, attr)
1261 if self.do_modify(nmsg, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA,
1262 "local_oid:1.3.6.1.4.1.7165.4.3.14:0"],
1263 "Failed to fix attribute %s" % attr):
1264 self.report("Fixed attribute '%s' of '%s'\n" % (attr, dn))
1267 def err_replmetadata_unknown_attid(self, dn, attr, repl_meta_data):
1268 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1269 str(repl_meta_data))
1272 # Search for an invalid attid
1274 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
1276 self.report('ERROR: attributeID 0X%0X is not known in our schema, not fixing %s on %s\n' % (o.attid, attr, dn))
1280 def err_replmetadata_incorrect_attid(self, dn, attr, repl_meta_data, wrong_attids):
1281 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1282 str(repl_meta_data))
1286 remove_attid = set()
1289 in_schema_nc = dn.is_child_of(self.schema_dn)
1292 # Sort the array, except for the last element. This strange
1293 # construction, creating a new list, due to bugs in samba's
1294 # array handling in IDL generated objects.
1295 ctr.array = sorted(ctr.array[:], key=lambda o: o.attid)
1296 # Now walk it in reverse, so we see the low (and so incorrect,
1297 # the correct values are above 0x80000000) values first and
1298 # remove the 'second' value we see.
1299 for o in reversed(ctr.array):
1300 print "%s: 0x%08x" % (dn, o.attid)
1301 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
1302 if att.lower() in set_att:
1303 self.report('ERROR: duplicate attributeID values for %s in %s on %s\n' % (att, attr, dn))
1304 if not self.confirm_all('Fix %s on %s by removing the duplicate value 0x%08x for %s (keeping 0x%08x)?'
1305 % (attr, dn, o.attid, att, hash_att[att].attid),
1306 'fix_replmetadata_duplicate_attid'):
1307 self.report('Not fixing duplicate value 0x%08x for %s in %s on %s\n'
1308 % (o.attid, att, attr, dn))
1311 remove_attid.add(o.attid)
1312 # We want to set the metadata for the most recent
1313 # update to have been applied locally, that is the metadata
1314 # matching the (eg string) value in the attribute
1315 if o.local_usn > hash_att[att].local_usn:
1316 # This is always what we would have sent over DRS,
1317 # because the DRS server will have sent the
1318 # msDS-IntID, but with the values from both
1319 # attribute entries.
1320 hash_att[att].version = o.version
1321 hash_att[att].originating_change_time = o.originating_change_time
1322 hash_att[att].originating_invocation_id = o.originating_invocation_id
1323 hash_att[att].originating_usn = o.originating_usn
1324 hash_att[att].local_usn = o.local_usn
1326 # Do not re-add the value to the set or overwrite the hash value
1330 set_att.add(att.lower())
1332 # Generate a real list we can sort on properly
1333 new_list = [o for o in ctr.array if o.attid not in remove_attid]
1335 if (len(wrong_attids) > 0):
1337 if o.attid in wrong_attids:
1338 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
1339 correct_attid = self.samdb_schema.get_attid_from_lDAPDisplayName(att, is_schema_nc=in_schema_nc)
1340 self.report('ERROR: incorrect attributeID values in %s on %s\n' % (attr, dn))
1341 if not self.confirm_all('Fix %s on %s by replacing incorrect value 0x%08x for %s (new 0x%08x)?'
1342 % (attr, dn, o.attid, att, hash_att[att].attid), 'fix_replmetadata_wrong_attid'):
1343 self.report('Not fixing incorrect value 0x%08x with 0x%08x for %s in %s on %s\n'
1344 % (o.attid, correct_attid, att, attr, dn))
1347 o.attid = correct_attid
1349 # Sort the array, (we changed the value so must re-sort)
1350 new_list[:] = sorted(new_list[:], key=lambda o: o.attid)
1352 # If we did not already need to fix it, then ask about sorting
1354 self.report('ERROR: unsorted attributeID values in %s on %s\n' % (attr, dn))
1355 if not self.confirm_all('Fix %s on %s by sorting the attribute list?'
1356 % (attr, dn), 'fix_replmetadata_unsorted_attid'):
1357 self.report('Not fixing %s on %s\n' % (attr, dn))
1360 # The actual sort done is done at the top of the function
1362 ctr.count = len(new_list)
1363 ctr.array = new_list
1364 replBlob = ndr_pack(repl)
1366 nmsg = ldb.Message()
1368 nmsg[attr] = ldb.MessageElement(replBlob, ldb.FLAG_MOD_REPLACE, attr)
1369 if self.do_modify(nmsg, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA,
1370 "local_oid:1.3.6.1.4.1.7165.4.3.14:0",
1371 "local_oid:1.3.6.1.4.1.7165.4.3.25:0"],
1372 "Failed to fix attribute %s" % attr):
1373 self.report("Fixed attribute '%s' of '%s'\n" % (attr, dn))
1376 def is_deleted_deleted_objects(self, obj):
1378 if "description" not in obj:
1379 self.report("ERROR: description not present on Deleted Objects container %s" % obj.dn)
1381 if "showInAdvancedViewOnly" not in obj or obj['showInAdvancedViewOnly'][0].upper() == 'FALSE':
1382 self.report("ERROR: showInAdvancedViewOnly not present on Deleted Objects container %s" % obj.dn)
1384 if "objectCategory" not in obj:
1385 self.report("ERROR: objectCategory not present on Deleted Objects container %s" % obj.dn)
1387 if "isCriticalSystemObject" not in obj or obj['isCriticalSystemObject'][0].upper() == 'FALSE':
1388 self.report("ERROR: isCriticalSystemObject not present on Deleted Objects container %s" % obj.dn)
1390 if "isRecycled" in obj:
1391 self.report("ERROR: isRecycled present on Deleted Objects container %s" % obj.dn)
1393 if "isDeleted" in obj and obj['isDeleted'][0].upper() == 'FALSE':
1394 self.report("ERROR: isDeleted not set on Deleted Objects container %s" % obj.dn)
1396 if "objectClass" not in obj or (len(obj['objectClass']) != 2 or
1397 obj['objectClass'][0] != 'top' or
1398 obj['objectClass'][1] != 'container'):
1399 self.report("ERROR: objectClass incorrectly set on Deleted Objects container %s" % obj.dn)
1401 if "systemFlags" not in obj or obj['systemFlags'][0] != '-1946157056':
1402 self.report("ERROR: systemFlags incorrectly set on Deleted Objects container %s" % obj.dn)
1406 def err_deleted_deleted_objects(self, obj):
1407 nmsg = ldb.Message()
1408 nmsg.dn = dn = obj.dn
1410 if "description" not in obj:
1411 nmsg["description"] = ldb.MessageElement("Container for deleted objects", ldb.FLAG_MOD_REPLACE, "description")
1412 if "showInAdvancedViewOnly" not in obj:
1413 nmsg["showInAdvancedViewOnly"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "showInAdvancedViewOnly")
1414 if "objectCategory" not in obj:
1415 nmsg["objectCategory"] = ldb.MessageElement("CN=Container,%s" % self.schema_dn, ldb.FLAG_MOD_REPLACE, "objectCategory")
1416 if "isCriticalSystemObject" not in obj:
1417 nmsg["isCriticalSystemObject"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isCriticalSystemObject")
1418 if "isRecycled" in obj:
1419 nmsg["isRecycled"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_DELETE, "isRecycled")
1421 nmsg["isDeleted"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isDeleted")
1422 nmsg["systemFlags"] = ldb.MessageElement("-1946157056", ldb.FLAG_MOD_REPLACE, "systemFlags")
1423 nmsg["objectClass"] = ldb.MessageElement(["top", "container"], ldb.FLAG_MOD_REPLACE, "objectClass")
1425 if not self.confirm_all('Fix Deleted Objects container %s by restoring default attributes?'
1426 % (dn), 'fix_deleted_deleted_objects'):
1427 self.report('Not fixing missing/incorrect attributes on %s\n' % (dn))
1430 if self.do_modify(nmsg, ["relax:0"],
1431 "Failed to fix Deleted Objects container %s" % dn):
1432 self.report("Fixed Deleted Objects container '%s'\n" % (dn))
1434 def err_replica_locations(self, obj, cross_ref, attr):
1435 nmsg = ldb.Message()
1437 target = self.samdb.get_dsServiceName()
1439 if self.samdb.am_rodc():
1440 self.report('Not fixing %s for the RODC' % (attr, obj.dn))
1443 if not self.confirm_all('Add yourself to the replica locations for %s?'
1444 % (obj.dn), 'fix_replica_locations'):
1445 self.report('Not fixing missing/incorrect attributes on %s\n' % (obj.dn))
1448 nmsg[attr] = ldb.MessageElement(target, ldb.FLAG_MOD_ADD, attr)
1449 if self.do_modify(nmsg, [], "Failed to add %s for %s" % (attr, obj.dn)):
1450 self.report("Fixed %s for %s" % (attr, obj.dn))
1452 def is_fsmo_role(self, dn):
1453 if dn == self.samdb.domain_dn:
1455 if dn == self.infrastructure_dn:
1457 if dn == self.naming_dn:
1459 if dn == self.schema_dn:
1461 if dn == self.rid_dn:
1466 def calculate_instancetype(self, dn):
1468 nc_root = self.samdb.get_nc_root(dn)
1470 instancetype |= dsdb.INSTANCE_TYPE_IS_NC_HEAD
1472 self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE, attrs=[], controls=["show_recycled:1"])
1473 except ldb.LdbError, (enum, estr):
1474 if enum != ldb.ERR_NO_SUCH_OBJECT:
1477 instancetype |= dsdb.INSTANCE_TYPE_NC_ABOVE
1479 if self.write_ncs is not None and str(nc_root) in self.write_ncs:
1480 instancetype |= dsdb.INSTANCE_TYPE_WRITE
1484 def get_wellknown_sd(self, dn):
1485 for [sd_dn, descriptor_fn] in self.wellknown_sds:
1487 domain_sid = security.dom_sid(self.samdb.get_domain_sid())
1488 return ndr_unpack(security.descriptor,
1489 descriptor_fn(domain_sid,
1490 name_map=self.name_map))
1494 def check_object(self, dn, attrs=['*']):
1495 '''check one object'''
1497 self.report("Checking object %s" % dn)
1499 # If we modify the pass-by-reference attrs variable, then we get a
1500 # replPropertyMetadata for every object that we check.
1502 if "dn" in map(str.lower, attrs):
1503 attrs.append("name")
1504 if "distinguishedname" in map(str.lower, attrs):
1505 attrs.append("name")
1506 if str(dn.get_rdn_name()).lower() in map(str.lower, attrs):
1507 attrs.append("name")
1508 if 'name' in map(str.lower, attrs):
1509 attrs.append(dn.get_rdn_name())
1510 attrs.append("isDeleted")
1511 attrs.append("systemFlags")
1513 attrs.append("replPropertyMetaData")
1515 attrs.append("objectGUID")
1519 sd_flags |= security.SECINFO_OWNER
1520 sd_flags |= security.SECINFO_GROUP
1521 sd_flags |= security.SECINFO_DACL
1522 sd_flags |= security.SECINFO_SACL
1524 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
1529 "sd_flags:1:%d" % sd_flags,
1530 "reveal_internals:0",
1533 except ldb.LdbError, (enum, estr):
1534 if enum == ldb.ERR_NO_SUCH_OBJECT:
1535 if self.in_transaction:
1536 self.report("ERROR: Object %s disappeared during check" % dn)
1541 self.report("ERROR: Object %s failed to load during check" % dn)
1545 set_attrs_from_md = set()
1546 set_attrs_seen = set()
1547 got_repl_property_meta_data = False
1548 got_objectclass = False
1550 nc_dn = self.samdb.get_nc_root(obj.dn)
1552 deleted_objects_dn = self.samdb.get_wellknown_dn(nc_dn,
1553 samba.dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER)
1555 # We have no deleted objects DN for schema, and we check for this above for the other
1557 deleted_objects_dn = None
1560 object_rdn_attr = None
1561 object_rdn_val = None
1566 for attrname in obj:
1567 if attrname == 'dn' or attrname == "distinguishedName":
1570 if str(attrname).lower() == 'objectclass':
1571 got_objectclass = True
1573 if str(attrname).lower() == "name":
1574 if len(obj[attrname]) != 1:
1576 self.report("ERROR: Not fixing num_values(%d) for '%s' on '%s'" %
1577 (len(obj[attrname]), attrname, str(obj.dn)))
1579 name_val = obj[attrname][0]
1581 if str(attrname).lower() == str(obj.dn.get_rdn_name()).lower():
1582 object_rdn_attr = attrname
1583 if len(obj[attrname]) != 1:
1585 self.report("ERROR: Not fixing num_values(%d) for '%s' on '%s'" %
1586 (len(obj[attrname]), attrname, str(obj.dn)))
1588 object_rdn_val = obj[attrname][0]
1590 if str(attrname).lower() == 'isdeleted':
1591 if obj[attrname][0] != "FALSE":
1594 if str(attrname).lower() == 'systemflags':
1595 systemFlags = int(obj[attrname][0])
1597 if str(attrname).lower() == 'replpropertymetadata':
1598 if self.has_replmetadata_zero_invocationid(dn, obj[attrname]):
1600 self.err_replmetadata_zero_invocationid(dn, attrname, obj[attrname])
1601 # We don't continue, as we may also have other fixes for this attribute
1602 # based on what other attributes we see.
1605 (set_attrs_from_md, list_attid_from_md, wrong_attids) \
1606 = self.process_metadata(dn, obj[attrname])
1609 self.err_replmetadata_unknown_attid(dn, attrname, obj[attrname])
1612 if len(set_attrs_from_md) < len(list_attid_from_md) \
1613 or len(wrong_attids) > 0 \
1614 or sorted(list_attid_from_md) != list_attid_from_md:
1616 self.err_replmetadata_incorrect_attid(dn, attrname, obj[attrname], wrong_attids)
1619 # Here we check that the first attid is 0
1621 if list_attid_from_md[0] != 0:
1623 self.report("ERROR: Not fixing incorrect inital attributeID in '%s' on '%s', it should be objectClass" %
1624 (attrname, str(dn)))
1626 got_repl_property_meta_data = True
1629 if str(attrname).lower() == 'ntsecuritydescriptor':
1630 (sd, sd_broken) = self.process_sd(dn, obj)
1631 if sd_broken is not None:
1632 self.err_wrong_sd(dn, sd, sd_broken)
1636 if sd.owner_sid is None or sd.group_sid is None:
1637 self.err_missing_sd_owner(dn, sd)
1641 if self.reset_well_known_acls:
1643 well_known_sd = self.get_wellknown_sd(dn)
1647 current_sd = ndr_unpack(security.descriptor,
1648 str(obj[attrname][0]))
1650 diff = get_diff_sds(well_known_sd, current_sd, security.dom_sid(self.samdb.get_domain_sid()))
1652 self.err_wrong_default_sd(dn, well_known_sd, current_sd, diff)
1657 if str(attrname).lower() == 'objectclass':
1658 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, obj[attrname])
1659 # Do not consider the attribute incorrect if:
1660 # - The sorted (alphabetically) list is the same, inclding case
1661 # - The first and last elements are the same
1663 # This avoids triggering an error due to
1664 # non-determinism in the sort routine in (at least)
1665 # 4.3 and earlier, and the fact that any AUX classes
1666 # in these attributes are also not sorted when
1667 # imported from Windows (they are just in the reverse
1668 # order of last set)
1669 if sorted(normalised) != sorted(obj[attrname]) \
1670 or normalised[0] != obj[attrname][0] \
1671 or normalised[-1] != obj[attrname][-1]:
1672 self.err_normalise_mismatch_replace(dn, attrname, list(obj[attrname]))
1676 if str(attrname).lower() == 'userparameters':
1677 if len(obj[attrname][0]) == 1 and obj[attrname][0][0] == '\x20':
1679 self.err_short_userParameters(obj, attrname, obj[attrname])
1682 elif obj[attrname][0][:16] == '\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00':
1683 # This is the correct, normal prefix
1686 elif obj[attrname][0][:20] == 'IAAgACAAIAAgACAAIAAg':
1687 # this is the typical prefix from a windows migration
1689 self.err_base64_userParameters(obj, attrname, obj[attrname])
1692 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':
1693 # This is a prefix that is not in UTF-16 format for the space or munged dialback prefix
1695 self.err_utf8_userParameters(obj, attrname, obj[attrname])
1698 elif len(obj[attrname][0]) % 2 != 0:
1699 # This is a value that isn't even in length
1701 self.err_odd_userParameters(obj, attrname, obj[attrname])
1704 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':
1705 # This is a prefix that would happen if a SAMR-written value was replicated from a Samba 4.1 server to a working server
1707 self.err_doubled_userParameters(obj, attrname, obj[attrname])
1710 if attrname.lower() == 'attributeid' or attrname.lower() == 'governsid':
1711 if obj[attrname][0] in self.attribute_or_class_ids:
1713 self.report('Error: %s %s on %s already exists as an attributeId or governsId'
1714 % (attrname, obj.dn, obj[attrname][0]))
1716 self.attribute_or_class_ids.add(obj[attrname][0])
1718 # check for empty attributes
1719 for val in obj[attrname]:
1721 self.err_empty_attribute(dn, attrname)
1725 # get the syntax oid for the attribute, so we can can have
1726 # special handling for some specific attribute types
1728 syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
1729 except Exception, msg:
1730 self.err_unknown_attribute(obj, attrname)
1734 linkID, reverse_link_name = self.get_attr_linkID_and_reverse_name(attrname)
1736 flag = self.samdb_schema.get_systemFlags_from_lDAPDisplayName(attrname)
1737 if (not flag & dsdb.DS_FLAG_ATTR_NOT_REPLICATED
1738 and not flag & dsdb.DS_FLAG_ATTR_IS_CONSTRUCTED
1740 set_attrs_seen.add(str(attrname).lower())
1742 if syntax_oid in [ dsdb.DSDB_SYNTAX_BINARY_DN, dsdb.DSDB_SYNTAX_OR_NAME,
1743 dsdb.DSDB_SYNTAX_STRING_DN, ldb.SYNTAX_DN ]:
1744 # it's some form of DN, do specialised checking on those
1745 error_count += self.check_dn(obj, attrname, syntax_oid)
1749 # check for incorrectly normalised attributes
1750 for val in obj[attrname]:
1751 values.add(str(val))
1753 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, [val])
1754 if len(normalised) != 1 or normalised[0] != val:
1755 self.err_normalise_mismatch(dn, attrname, obj[attrname])
1759 if len(obj[attrname]) != len(values):
1760 self.err_duplicate_values(dn, attrname, obj[attrname], list(values))
1764 if str(attrname).lower() == "instancetype":
1765 calculated_instancetype = self.calculate_instancetype(dn)
1766 if len(obj["instanceType"]) != 1 or obj["instanceType"][0] != str(calculated_instancetype):
1768 self.err_wrong_instancetype(obj, calculated_instancetype)
1770 if not got_objectclass and ("*" in attrs or "objectclass" in map(str.lower, attrs)):
1772 self.err_missing_objectclass(dn)
1774 if ("*" in attrs or "name" in map(str.lower, attrs)):
1775 if name_val is None:
1777 self.report("ERROR: Not fixing missing 'name' on '%s'" % (str(obj.dn)))
1778 if object_rdn_attr is None:
1780 self.report("ERROR: Not fixing missing '%s' on '%s'" % (obj.dn.get_rdn_name(), str(obj.dn)))
1782 if name_val is not None:
1785 if not (systemFlags & samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE):
1786 parent_dn = deleted_objects_dn
1787 if parent_dn is None:
1788 parent_dn = obj.dn.parent()
1789 expected_dn = ldb.Dn(self.samdb, "RDN=RDN,%s" % (parent_dn))
1790 expected_dn.set_component(0, obj.dn.get_rdn_name(), name_val)
1792 if obj.dn == deleted_objects_dn:
1793 expected_dn = obj.dn
1795 if expected_dn != obj.dn:
1797 self.err_wrong_dn(obj, expected_dn, object_rdn_attr, object_rdn_val, name_val)
1798 elif obj.dn.get_rdn_value() != object_rdn_val:
1800 self.report("ERROR: Not fixing %s=%r on '%s'" % (object_rdn_attr, object_rdn_val, str(obj.dn)))
1803 if got_repl_property_meta_data:
1804 if obj.dn == deleted_objects_dn:
1805 isDeletedAttId = 131120
1806 # It's 29/12/9999 at 23:59:59 UTC as specified in MS-ADTS 7.1.1.4.2 Deleted Objects Container
1808 expectedTimeDo = 2650466015990000000
1809 originating = self.get_originating_time(obj["replPropertyMetaData"], isDeletedAttId)
1810 if originating != expectedTimeDo:
1811 if self.confirm_all("Fix isDeleted originating_change_time on '%s'" % str(dn), 'fix_time_metadata'):
1812 nmsg = ldb.Message()
1814 nmsg["isDeleted"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isDeleted")
1816 self.samdb.modify(nmsg, controls=["provision:0"])
1819 self.report("Not fixing isDeleted originating_change_time on '%s'" % str(dn))
1821 for att in set_attrs_seen.difference(set_attrs_from_md):
1823 self.report("On object %s" % dn)
1826 self.report("ERROR: Attribute %s not present in replication metadata" % att)
1827 if not self.confirm_all("Fix missing replPropertyMetaData element '%s'" % att, 'fix_all_metadata'):
1828 self.report("Not fixing missing replPropertyMetaData element '%s'" % att)
1830 self.fix_metadata(dn, att)
1832 if self.is_fsmo_role(dn):
1833 if "fSMORoleOwner" not in obj and ("*" in attrs or "fsmoroleowner" in map(str.lower, attrs)):
1834 self.err_no_fsmoRoleOwner(obj)
1838 if dn != self.samdb.get_root_basedn() and str(dn.parent()) not in self.dn_set:
1839 res = self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE,
1840 controls=["show_recycled:1", "show_deleted:1"])
1841 except ldb.LdbError, (enum, estr):
1842 if enum == ldb.ERR_NO_SUCH_OBJECT:
1843 self.err_missing_parent(obj)
1848 if dn in self.deleted_objects_containers and '*' in attrs:
1849 if self.is_deleted_deleted_objects(obj):
1850 self.err_deleted_deleted_objects(obj)
1853 for (dns_part, msg) in self.dns_partitions:
1854 if dn == dns_part and 'repsFrom' in obj:
1855 location = "msDS-NC-Replica-Locations"
1856 if self.samdb.am_rodc():
1857 location = "msDS-NC-RO-Replica-Locations"
1859 if location not in msg:
1860 # There are no replica locations!
1861 self.err_replica_locations(obj, msg.dn, location)
1866 for loc in msg[location]:
1867 if loc == self.samdb.get_dsServiceName():
1870 # This DC is not in the replica locations
1871 self.err_replica_locations(obj, msg.dn, location)
1874 if dn == self.server_ref_dn:
1875 # Check we have a valid RID Set
1876 if "*" in attrs or "rIDSetReferences" in attrs:
1877 if "rIDSetReferences" not in obj:
1878 # NO RID SET reference
1879 # We are RID master, allocate it.
1882 if self.is_rid_master:
1883 # Allocate a RID Set
1884 if self.confirm_all('Allocate the missing RID set for RID master?',
1885 'fix_missing_rid_set_master'):
1887 # We don't have auto-transaction logic on
1888 # extended operations, so we have to do it
1891 self.samdb.transaction_start()
1894 self.samdb.create_own_rid_set()
1897 self.samdb.transaction_cancel()
1900 self.samdb.transaction_commit()
1903 elif not self.samdb.am_rodc():
1904 self.report("No RID Set found for this server: %s, and we are not the RID Master (so can not self-allocate)" % dn)
1907 # Check some details of our own RID Set
1908 if dn == self.rid_set_dn:
1909 res = self.samdb.search(base=self.rid_set_dn, scope=ldb.SCOPE_BASE,
1910 attrs=["rIDAllocationPool",
1911 "rIDPreviousAllocationPool",
1914 if "rIDAllocationPool" not in res[0]:
1915 self.report("No rIDAllocationPool found in %s" % dn)
1918 next_pool = int(res[0]["rIDAllocationPool"][0])
1920 high = (0xFFFFFFFF00000000 & next_pool) >> 32
1921 low = 0x00000000FFFFFFFF & next_pool
1924 self.report("Invalid RID set %d-%s, %d > %d!" % (low, high, low, high))
1927 if "rIDNextRID" in res[0]:
1928 next_free_rid = int(res[0]["rIDNextRID"][0])
1932 if next_free_rid == 0:
1937 # Check the remainder of this pool for conflicts. If
1938 # ridalloc_allocate_rid() moves to a new pool, this
1939 # will be above high, so we will stop.
1940 while next_free_rid <= high:
1941 sid = "%s-%d" % (self.samdb.get_domain_sid(), next_free_rid)
1943 res = self.samdb.search(base="<SID=%s>" % sid, scope=ldb.SCOPE_BASE,
1945 except ldb.LdbError, (enum, estr):
1946 if enum != ldb.ERR_NO_SUCH_OBJECT:
1950 self.report("SID %s for %s conflicts with our current RID set in %s" % (sid, res[0].dn, dn))
1953 if self.confirm_all('Fix conflict between SID %s and RID pool in %s by allocating a new RID?'
1955 'fix_sid_rid_set_conflict'):
1956 self.samdb.transaction_start()
1958 # This will burn RIDs, which will move
1959 # past the conflict. We then check again
1960 # to see if the new RID conflicts, until
1961 # the end of the current pool. We don't
1962 # look at the next pool to avoid burning
1963 # all RIDs in one go in some strange
1967 allocated_rid = self.samdb.allocate_rid()
1968 if allocated_rid >= next_free_rid:
1969 next_free_rid = allocated_rid + 1
1972 self.samdb.transaction_cancel()
1975 self.samdb.transaction_commit()
1984 ################################################################
1985 # check special @ROOTDSE attributes
1986 def check_rootdse(self):
1987 '''check the @ROOTDSE special object'''
1988 dn = ldb.Dn(self.samdb, '@ROOTDSE')
1990 self.report("Checking object %s" % dn)
1991 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE)
1993 self.report("Object %s disappeared during check" % dn)
1998 # check that the dsServiceName is in GUID form
1999 if not 'dsServiceName' in obj:
2000 self.report('ERROR: dsServiceName missing in @ROOTDSE')
2001 return error_count+1
2003 if not obj['dsServiceName'][0].startswith('<GUID='):
2004 self.report('ERROR: dsServiceName not in GUID form in @ROOTDSE')
2006 if not self.confirm('Change dsServiceName to GUID form?'):
2008 res = self.samdb.search(base=ldb.Dn(self.samdb, obj['dsServiceName'][0]),
2009 scope=ldb.SCOPE_BASE, attrs=['objectGUID'])
2010 guid_str = str(ndr_unpack(misc.GUID, res[0]['objectGUID'][0]))
2013 m['dsServiceName'] = ldb.MessageElement("<GUID=%s>" % guid_str,
2014 ldb.FLAG_MOD_REPLACE, 'dsServiceName')
2015 if self.do_modify(m, [], "Failed to change dsServiceName to GUID form", validate=False):
2016 self.report("Changed dsServiceName to GUID form")
2020 ###############################################
2021 # re-index the database
2022 def reindex_database(self):
2023 '''re-index the whole database'''
2025 m.dn = ldb.Dn(self.samdb, "@ATTRIBUTES")
2026 m['add'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_ADD, 'force_reindex')
2027 m['delete'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_DELETE, 'force_reindex')
2028 return self.do_modify(m, [], 're-indexed database', validate=False)
2030 ###############################################
2032 def reset_modules(self):
2033 '''reset @MODULES to that needed for current sam.ldb (to read a very old database)'''
2035 m.dn = ldb.Dn(self.samdb, "@MODULES")
2036 m['@LIST'] = ldb.MessageElement('samba_dsdb', ldb.FLAG_MOD_REPLACE, '@LIST')
2037 return self.do_modify(m, [], 'reset @MODULES on database', validate=False)