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_missing_forward_links = False
69 self.duplicate_link_cache = dict()
70 self.recover_all_forward_links = False
71 self.fix_rmd_flags = False
72 self.fix_ntsecuritydescriptor = False
73 self.fix_ntsecuritydescriptor_owner_group = False
74 self.seize_fsmo_role = False
75 self.move_to_lost_and_found = False
76 self.fix_instancetype = False
77 self.fix_replmetadata_zero_invocationid = False
78 self.fix_replmetadata_duplicate_attid = False
79 self.fix_replmetadata_wrong_attid = False
80 self.fix_replmetadata_unsorted_attid = False
81 self.fix_deleted_deleted_objects = False
82 self.fix_incorrect_deleted_objects = False
84 self.fix_base64_userparameters = False
85 self.fix_utf8_userparameters = False
86 self.fix_doubled_userparameters = False
87 self.fix_sid_rid_set_conflict = False
88 self.reset_well_known_acls = reset_well_known_acls
89 self.reset_all_well_known_acls = False
90 self.in_transaction = in_transaction
91 self.infrastructure_dn = ldb.Dn(samdb, "CN=Infrastructure," + samdb.domain_dn())
92 self.naming_dn = ldb.Dn(samdb, "CN=Partitions,%s" % samdb.get_config_basedn())
93 self.schema_dn = samdb.get_schema_basedn()
94 self.rid_dn = ldb.Dn(samdb, "CN=RID Manager$,CN=System," + samdb.domain_dn())
95 self.ntds_dsa = ldb.Dn(samdb, samdb.get_dsServiceName())
96 self.class_schemaIDGUID = {}
97 self.wellknown_sds = get_wellknown_sds(self.samdb)
98 self.fix_all_missing_objectclass = False
99 self.fix_missing_deleted_objects = False
100 self.fix_replica_locations = False
101 self.fix_missing_rid_set_master = False
104 self.link_id_cache = {}
107 res = samdb.search(base="CN=DnsAdmins,CN=Users,%s" % samdb.domain_dn(), scope=ldb.SCOPE_BASE,
109 dnsadmins_sid = ndr_unpack(security.dom_sid, res[0]["objectSid"][0])
110 self.name_map['DnsAdmins'] = str(dnsadmins_sid)
111 except ldb.LdbError, (enum, estr):
112 if enum != ldb.ERR_NO_SUCH_OBJECT:
116 self.system_session_info = system_session()
117 self.admin_session_info = admin_session(None, samdb.get_domain_sid())
119 res = self.samdb.search(base=self.ntds_dsa, scope=ldb.SCOPE_BASE, attrs=['msDS-hasMasterNCs', 'hasMasterNCs'])
120 if "msDS-hasMasterNCs" in res[0]:
121 self.write_ncs = res[0]["msDS-hasMasterNCs"]
123 # If the Forest Level is less than 2003 then there is no
124 # msDS-hasMasterNCs, so we fall back to hasMasterNCs
125 # no need to merge as all the NCs that are in hasMasterNCs must
126 # also be in msDS-hasMasterNCs (but not the opposite)
127 if "hasMasterNCs" in res[0]:
128 self.write_ncs = res[0]["hasMasterNCs"]
130 self.write_ncs = None
132 res = self.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=['namingContexts'])
133 self.deleted_objects_containers = []
134 self.ncs_lacking_deleted_containers = []
135 self.dns_partitions = []
137 self.ncs = res[0]["namingContexts"]
145 dn = self.samdb.get_wellknown_dn(ldb.Dn(self.samdb, nc),
146 dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER)
147 self.deleted_objects_containers.append(dn)
149 self.ncs_lacking_deleted_containers.append(ldb.Dn(self.samdb, nc))
151 domaindns_zone = 'DC=DomainDnsZones,%s' % self.samdb.get_default_basedn()
152 forestdns_zone = 'DC=ForestDnsZones,%s' % self.samdb.get_root_basedn()
153 domain = self.samdb.search(scope=ldb.SCOPE_ONELEVEL,
154 attrs=["msDS-NC-Replica-Locations", "msDS-NC-RO-Replica-Locations"],
155 base=self.samdb.get_partitions_dn(),
156 expression="(&(objectClass=crossRef)(ncName=%s))" % domaindns_zone)
158 self.dns_partitions.append((ldb.Dn(self.samdb, forestdns_zone), domain[0]))
160 forest = self.samdb.search(scope=ldb.SCOPE_ONELEVEL,
161 attrs=["msDS-NC-Replica-Locations", "msDS-NC-RO-Replica-Locations"],
162 base=self.samdb.get_partitions_dn(),
163 expression="(&(objectClass=crossRef)(ncName=%s))" % forestdns_zone)
165 self.dns_partitions.append((ldb.Dn(self.samdb, domaindns_zone), forest[0]))
167 fsmo_dn = ldb.Dn(self.samdb, "CN=RID Manager$,CN=System," + self.samdb.domain_dn())
168 rid_master = get_fsmo_roleowner(self.samdb, fsmo_dn, "rid")
169 if ldb.Dn(self.samdb, self.samdb.get_dsServiceName()) == rid_master:
170 self.is_rid_master = True
172 self.is_rid_master = False
174 # To get your rid set
176 res = self.samdb.search(base=ldb.Dn(self.samdb, self.samdb.get_serverName()),
177 scope=ldb.SCOPE_BASE, attrs=["serverReference"])
178 # 2. Get server reference
179 self.server_ref_dn = ldb.Dn(self.samdb, res[0]['serverReference'][0])
182 res = self.samdb.search(base=self.server_ref_dn,
183 scope=ldb.SCOPE_BASE, attrs=['rIDSetReferences'])
184 if "rIDSetReferences" in res[0]:
185 self.rid_set_dn = ldb.Dn(self.samdb, res[0]['rIDSetReferences'][0])
187 self.rid_set_dn = None
189 def check_database(self, DN=None, scope=ldb.SCOPE_SUBTREE, controls=[], attrs=['*']):
190 '''perform a database check, returning the number of errors found'''
191 res = self.samdb.search(base=DN, scope=scope, attrs=['dn'], controls=controls)
192 self.report('Checking %u objects' % len(res))
195 error_count += self.check_deleted_objects_containers()
197 self.attribute_or_class_ids = set()
200 self.dn_set.add(str(object.dn))
201 error_count += self.check_object(object.dn, attrs=attrs)
204 error_count += self.check_rootdse()
206 if error_count != 0 and not self.fix:
207 self.report("Please use --fix to fix these errors")
209 self.report('Checked %u objects (%u errors)' % (len(res), error_count))
212 def check_deleted_objects_containers(self):
213 """This function only fixes conflicts on the Deleted Objects
214 containers, not the attributes"""
216 for nc in self.ncs_lacking_deleted_containers:
217 if nc == self.schema_dn:
220 self.report("ERROR: NC %s lacks a reference to a Deleted Objects container" % nc)
221 if not self.confirm_all('Fix missing Deleted Objects container for %s?' % (nc), 'fix_missing_deleted_objects'):
224 dn = ldb.Dn(self.samdb, "CN=Deleted Objects")
229 # If something already exists here, add a conflict
230 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[],
231 controls=["show_deleted:1", "extended_dn:1:1",
232 "show_recycled:1", "reveal_internals:0"])
234 guid = res[0].dn.get_extended_component("GUID")
235 conflict_dn = ldb.Dn(self.samdb,
236 "CN=Deleted Objects\\0ACNF:%s" % str(misc.GUID(guid)))
237 conflict_dn.add_base(nc)
239 except ldb.LdbError, (enum, estr):
240 if enum == ldb.ERR_NO_SUCH_OBJECT:
243 self.report("Couldn't check for conflicting Deleted Objects container: %s" % estr)
246 if conflict_dn is not None:
248 self.samdb.rename(dn, conflict_dn, ["show_deleted:1", "relax:0", "show_recycled:1"])
249 except ldb.LdbError, (enum, estr):
250 self.report("Couldn't move old Deleted Objects placeholder: %s to %s: %s" % (dn, conflict_dn, estr))
253 # Refresh wellKnownObjects links
254 res = self.samdb.search(base=nc, scope=ldb.SCOPE_BASE,
255 attrs=['wellKnownObjects'],
256 controls=["show_deleted:1", "extended_dn:0",
257 "show_recycled:1", "reveal_internals:0"])
259 self.report("wellKnownObjects was not found for NC %s" % nc)
262 # Prevent duplicate deleted objects containers just in case
263 wko = res[0]["wellKnownObjects"]
265 proposed_objectguid = None
267 dsdb_dn = dsdb_Dn(self.samdb, o, dsdb.DSDB_SYNTAX_BINARY_DN)
268 if self.is_deleted_objects_dn(dsdb_dn):
269 self.report("wellKnownObjects had duplicate Deleted Objects value %s" % o)
270 # We really want to put this back in the same spot
271 # as the original one, so that on replication we
272 # merge, rather than conflict.
273 proposed_objectguid = dsdb_dn.dn.get_extended_component("GUID")
276 if proposed_objectguid is not None:
277 guid_suffix = "\nobjectGUID: %s" % str(misc.GUID(proposed_objectguid))
279 wko_prefix = "B:32:%s" % dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER
280 listwko.append('%s:%s' % (wko_prefix, dn))
283 # Insert a brand new Deleted Objects container
284 self.samdb.add_ldif("""dn: %s
286 objectClass: container
287 description: Container for deleted objects
289 isCriticalSystemObject: TRUE
290 showInAdvancedViewOnly: TRUE
291 systemFlags: -1946157056%s""" % (dn, guid_suffix),
292 controls=["relax:0", "provision:0"])
294 delta = ldb.Message()
295 delta.dn = ldb.Dn(self.samdb, str(res[0]["dn"]))
296 delta["wellKnownObjects"] = ldb.MessageElement(listwko,
297 ldb.FLAG_MOD_REPLACE,
300 # Insert the link to the brand new container
301 if self.do_modify(delta, ["relax:0"],
302 "NC %s lacks Deleted Objects WKGUID" % nc,
304 self.report("Added %s well known guid link" % dn)
306 self.deleted_objects_containers.append(dn)
310 def report(self, msg):
311 '''print a message unless quiet is set'''
315 def confirm(self, msg, allow_all=False, forced=False):
316 '''confirm a change'''
323 return common.confirm(msg, forced=forced, allow_all=allow_all)
325 ################################################################
326 # a local confirm function with support for 'all'
327 def confirm_all(self, msg, all_attr):
328 '''confirm a change with support for "all" '''
331 if getattr(self, all_attr) == 'NONE':
333 if getattr(self, all_attr) == 'ALL':
339 c = common.confirm(msg, forced=forced, allow_all=True)
341 setattr(self, all_attr, 'ALL')
344 setattr(self, all_attr, 'NONE')
348 def do_delete(self, dn, controls, msg):
349 '''delete dn with optional verbose output'''
351 self.report("delete DN %s" % dn)
353 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
354 self.samdb.delete(dn, controls=controls)
355 except Exception, err:
356 if self.in_transaction:
357 raise CommandError("%s : %s" % (msg, err))
358 self.report("%s : %s" % (msg, err))
362 def do_modify(self, m, controls, msg, validate=True):
363 '''perform a modify with optional verbose output'''
365 self.report(self.samdb.write_ldif(m, ldb.CHANGETYPE_MODIFY))
367 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
368 self.samdb.modify(m, controls=controls, validate=validate)
369 except Exception, err:
370 if self.in_transaction:
371 raise CommandError("%s : %s" % (msg, err))
372 self.report("%s : %s" % (msg, err))
376 def do_rename(self, from_dn, to_rdn, to_base, controls, msg):
377 '''perform a modify with optional verbose output'''
379 self.report("""dn: %s
383 newSuperior: %s""" % (str(from_dn), str(to_rdn), str(to_base)))
385 to_dn = to_rdn + to_base
386 controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
387 self.samdb.rename(from_dn, to_dn, controls=controls)
388 except Exception, err:
389 if self.in_transaction:
390 raise CommandError("%s : %s" % (msg, err))
391 self.report("%s : %s" % (msg, err))
395 def get_attr_linkID_and_reverse_name(self, attrname):
396 if attrname in self.link_id_cache:
397 return self.link_id_cache[attrname]
398 linkID = self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)
400 revname = self.samdb_schema.get_backlink_from_lDAPDisplayName(attrname)
403 self.link_id_cache[attrname] = (linkID, revname)
404 return linkID, revname
406 def err_empty_attribute(self, dn, attrname):
407 '''fix empty attributes'''
408 self.report("ERROR: Empty attribute %s in %s" % (attrname, dn))
409 if not self.confirm_all('Remove empty attribute %s from %s?' % (attrname, dn), 'remove_all_empty_attributes'):
410 self.report("Not fixing empty attribute %s" % attrname)
415 m[attrname] = ldb.MessageElement('', ldb.FLAG_MOD_DELETE, attrname)
416 if self.do_modify(m, ["relax:0", "show_recycled:1"],
417 "Failed to remove empty attribute %s" % attrname, validate=False):
418 self.report("Removed empty attribute %s" % attrname)
420 def err_normalise_mismatch(self, dn, attrname, values):
421 '''fix attribute normalisation errors'''
422 self.report("ERROR: Normalisation error for attribute %s in %s" % (attrname, dn))
425 normalised = self.samdb.dsdb_normalise_attributes(
426 self.samdb_schema, attrname, [val])
427 if len(normalised) != 1:
428 self.report("Unable to normalise value '%s'" % val)
429 mod_list.append((val, ''))
430 elif (normalised[0] != val):
431 self.report("value '%s' should be '%s'" % (val, normalised[0]))
432 mod_list.append((val, normalised[0]))
433 if not self.confirm_all('Fix normalisation for %s from %s?' % (attrname, dn), 'fix_all_normalisation'):
434 self.report("Not fixing attribute %s" % attrname)
439 for i in range(0, len(mod_list)):
440 (val, nval) = mod_list[i]
441 m['value_%u' % i] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
443 m['normv_%u' % i] = ldb.MessageElement(nval, ldb.FLAG_MOD_ADD,
446 if self.do_modify(m, ["relax:0", "show_recycled:1"],
447 "Failed to normalise attribute %s" % attrname,
449 self.report("Normalised attribute %s" % attrname)
451 def err_normalise_mismatch_replace(self, dn, attrname, values):
452 '''fix attribute normalisation errors'''
453 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, values)
454 self.report("ERROR: Normalisation error for attribute '%s' in '%s'" % (attrname, dn))
455 self.report("Values/Order of values do/does not match: %s/%s!" % (values, list(normalised)))
456 if list(normalised) == values:
458 if not self.confirm_all("Fix normalisation for '%s' from '%s'?" % (attrname, dn), 'fix_all_normalisation'):
459 self.report("Not fixing attribute '%s'" % attrname)
464 m[attrname] = ldb.MessageElement(normalised, ldb.FLAG_MOD_REPLACE, attrname)
466 if self.do_modify(m, ["relax:0", "show_recycled:1"],
467 "Failed to normalise attribute %s" % attrname,
469 self.report("Normalised attribute %s" % attrname)
471 def err_duplicate_values(self, dn, attrname, dup_values, values):
472 '''fix attribute normalisation errors'''
473 self.report("ERROR: Duplicate values for attribute '%s' in '%s'" % (attrname, dn))
474 self.report("Values contain a duplicate: [%s]/[%s]!" % (','.join(dup_values), ','.join(values)))
475 if not self.confirm_all("Fix duplicates for '%s' from '%s'?" % (attrname, dn), 'fix_all_duplicates'):
476 self.report("Not fixing attribute '%s'" % attrname)
481 m[attrname] = ldb.MessageElement(values, ldb.FLAG_MOD_REPLACE, attrname)
483 if self.do_modify(m, ["relax:0", "show_recycled:1"],
484 "Failed to remove duplicate value on attribute %s" % attrname,
486 self.report("Removed duplicate value on attribute %s" % attrname)
488 def is_deleted_objects_dn(self, dsdb_dn):
489 '''see if a dsdb_Dn is the special Deleted Objects DN'''
490 return dsdb_dn.prefix == "B:32:%s:" % dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER
492 def err_missing_objectclass(self, dn):
493 """handle object without objectclass"""
494 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)))
495 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'):
496 self.report("Not deleting object with missing objectclass '%s'" % dn)
498 if self.do_delete(dn, ["relax:0"],
499 "Failed to remove DN %s" % dn):
500 self.report("Removed DN %s" % dn)
502 def err_deleted_dn(self, dn, attrname, val, dsdb_dn, correct_dn, remove_plausible=False):
503 """handle a DN pointing to a deleted object"""
504 if not remove_plausible:
505 self.report("ERROR: target DN is deleted for %s in object %s - %s" % (attrname, dn, val))
506 self.report("Target GUID points at deleted DN %r" % str(correct_dn))
507 if not self.confirm_all('Remove DN link?', 'remove_implausible_deleted_DN_links'):
508 self.report("Not removing")
511 self.report("WARNING: target DN is deleted for %s in object %s - %s" % (attrname, dn, val))
512 self.report("Target GUID points at deleted DN %r" % str(correct_dn))
513 if not self.confirm_all('Remove stale DN link?', 'remove_plausible_deleted_DN_links'):
514 self.report("Not removing")
519 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
520 if self.do_modify(m, ["show_recycled:1",
521 "local_oid:%s:0" % dsdb.DSDB_CONTROL_REPLMD_VANISH_LINKS],
522 "Failed to remove deleted DN attribute %s" % attrname):
523 self.report("Removed deleted DN on attribute %s" % attrname)
525 def err_missing_target_dn_or_GUID(self, dn, attrname, val, dsdb_dn):
526 """handle a missing target DN (if specified, GUID form can't be found,
527 and otherwise DN string form can't be found)"""
528 # check if its a backlink
529 linkID, _ = self.get_attr_linkID_and_reverse_name(attrname)
530 if (linkID & 1 == 0) and str(dsdb_dn).find('\\0ADEL') == -1:
532 linkID, reverse_link_name \
533 = self.get_attr_linkID_and_reverse_name(attrname)
534 if reverse_link_name is not None:
535 self.report("WARNING: no target object found for GUID "
536 "component for one-way forward link "
538 "%s - %s" % (attrname, dn, val))
539 self.report("Not removing dangling forward link")
542 nc_root = self.samdb.get_nc_root(dn)
543 target_nc_root = self.samdb.get_nc_root(dsdb_dn.dn)
544 if nc_root != target_nc_root:
545 # We don't bump the error count as Samba produces these
546 # in normal operation
547 self.report("WARNING: no target object found for GUID "
548 "component for cross-partition link "
550 "%s - %s" % (attrname, dn, val))
551 self.report("Not removing dangling one-way "
552 "cross-partition link "
553 "(we might be mid-replication)")
556 # Due to our link handling one-way links pointing to
557 # missing objects are plausible.
559 # We don't bump the error count as Samba produces these
560 # in normal operation
561 self.report("WARNING: no target object found for GUID "
562 "component for DN value %s in object "
563 "%s - %s" % (attrname, dn, val))
564 self.err_deleted_dn(dn, attrname, val,
565 dsdb_dn, dsdb_dn, True)
568 # We bump the error count here, as we should have deleted this
569 self.report("ERROR: no target object found for GUID "
570 "component for link %s in object "
571 "%s - %s" % (attrname, dn, val))
572 self.err_deleted_dn(dn, attrname, val, dsdb_dn, dsdb_dn, False)
575 def err_missing_dn_GUID_component(self, dn, attrname, val, dsdb_dn, errstr):
576 """handle a missing GUID extended DN component"""
577 self.report("ERROR: %s component for %s in object %s - %s" % (errstr, attrname, dn, val))
578 controls=["extended_dn:1:1", "show_recycled:1"]
580 res = self.samdb.search(base=str(dsdb_dn.dn), scope=ldb.SCOPE_BASE,
581 attrs=[], controls=controls)
582 except ldb.LdbError, (enum, estr):
583 self.report("unable to find object for DN %s - (%s)" % (dsdb_dn.dn, estr))
584 if enum != ldb.ERR_NO_SUCH_OBJECT:
586 self.err_missing_target_dn_or_GUID(dn, attrname, val, dsdb_dn)
589 self.report("unable to find object for DN %s" % dsdb_dn.dn)
590 self.err_missing_target_dn_or_GUID(dn, attrname, val, dsdb_dn)
592 dsdb_dn.dn = res[0].dn
594 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_DN_GUIDs'):
595 self.report("Not fixing %s" % errstr)
599 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
600 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
602 if self.do_modify(m, ["show_recycled:1"],
603 "Failed to fix %s on attribute %s" % (errstr, attrname)):
604 self.report("Fixed %s on attribute %s" % (errstr, attrname))
606 def err_incorrect_binary_dn(self, dn, attrname, val, dsdb_dn, errstr):
607 """handle an incorrect binary DN component"""
608 self.report("ERROR: %s binary component for %s in object %s - %s" % (errstr, attrname, dn, val))
609 controls=["extended_dn:1:1", "show_recycled:1"]
611 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_binary_dn'):
612 self.report("Not fixing %s" % errstr)
616 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
617 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
619 if self.do_modify(m, ["show_recycled:1"],
620 "Failed to fix %s on attribute %s" % (errstr, attrname)):
621 self.report("Fixed %s on attribute %s" % (errstr, attrname))
623 def err_dn_string_component_old(self, dn, attrname, val, dsdb_dn, correct_dn):
624 """handle a DN string being incorrect"""
625 self.report("NOTE: old (due to rename or delete) DN string component for %s in object %s - %s" % (attrname, dn, val))
626 dsdb_dn.dn = correct_dn
628 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn),
629 'fix_all_old_dn_string_component_mismatch'):
630 self.report("Not fixing old string component")
634 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
635 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
636 if self.do_modify(m, ["show_recycled:1"],
637 "Failed to fix old DN string on attribute %s" % (attrname)):
638 self.report("Fixed old DN string on attribute %s" % (attrname))
640 def err_dn_component_target_mismatch(self, dn, attrname, val, dsdb_dn, correct_dn, mismatch_type):
641 """handle a DN string being incorrect"""
642 self.report("ERROR: incorrect DN %s component for %s in object %s - %s" % (mismatch_type, attrname, dn, val))
643 dsdb_dn.dn = correct_dn
645 if not self.confirm_all('Change DN to %s?' % str(dsdb_dn),
646 'fix_all_%s_dn_component_mismatch' % mismatch_type):
647 self.report("Not fixing %s component mismatch" % mismatch_type)
651 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
652 m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
653 if self.do_modify(m, ["show_recycled:1"],
654 "Failed to fix incorrect DN %s on attribute %s" % (mismatch_type, attrname)):
655 self.report("Fixed incorrect DN %s on attribute %s" % (mismatch_type, attrname))
657 def err_unknown_attribute(self, obj, attrname):
658 '''handle an unknown attribute error'''
659 self.report("ERROR: unknown attribute '%s' in %s" % (attrname, obj.dn))
660 if not self.confirm_all('Remove unknown attribute %s' % attrname, 'remove_all_unknown_attributes'):
661 self.report("Not removing %s" % attrname)
665 m['old_value'] = ldb.MessageElement([], ldb.FLAG_MOD_DELETE, attrname)
666 if self.do_modify(m, ["relax:0", "show_recycled:1"],
667 "Failed to remove unknown attribute %s" % attrname):
668 self.report("Removed unknown attribute %s" % (attrname))
670 def err_undead_linked_attribute(self, obj, attrname, val):
671 '''handle a link that should not be there on a deleted object'''
672 self.report("ERROR: linked attribute '%s' to '%s' is present on "
673 "deleted object %s" % (attrname, val, obj.dn))
674 if not self.confirm_all('Remove linked attribute %s' % attrname, 'fix_undead_linked_attributes'):
675 self.report("Not removing linked attribute %s" % attrname)
679 m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
681 if self.do_modify(m, ["show_recycled:1", "show_deleted:1", "reveal_internals:0",
682 "local_oid:%s:0" % dsdb.DSDB_CONTROL_REPLMD_VANISH_LINKS],
683 "Failed to delete forward link %s" % attrname):
684 self.report("Fixed undead forward link %s" % (attrname))
686 def err_missing_backlink(self, obj, attrname, val, backlink_name, target_dn):
687 '''handle a missing backlink value'''
688 self.report("ERROR: missing backlink attribute '%s' in %s for link %s in %s" % (backlink_name, target_dn, attrname, obj.dn))
689 if not self.confirm_all('Fix missing backlink %s' % backlink_name, 'fix_all_missing_backlinks'):
690 self.report("Not fixing missing backlink %s" % backlink_name)
694 m['new_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_ADD, backlink_name)
695 if self.do_modify(m, ["show_recycled:1", "relax:0"],
696 "Failed to fix missing backlink %s" % backlink_name):
697 self.report("Fixed missing backlink %s" % (backlink_name))
699 def err_incorrect_rmd_flags(self, obj, attrname, revealed_dn):
700 '''handle a incorrect RMD_FLAGS value'''
701 rmd_flags = int(revealed_dn.dn.get_extended_component("RMD_FLAGS"))
702 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()))
703 if not self.confirm_all('Fix incorrect RMD_FLAGS %u' % rmd_flags, 'fix_rmd_flags'):
704 self.report("Not fixing incorrect RMD_FLAGS %u" % rmd_flags)
708 m['old_value'] = ldb.MessageElement(str(revealed_dn), ldb.FLAG_MOD_DELETE, attrname)
709 if self.do_modify(m, ["show_recycled:1", "reveal_internals:0", "show_deleted:0"],
710 "Failed to fix incorrect RMD_FLAGS %u" % rmd_flags):
711 self.report("Fixed incorrect RMD_FLAGS %u" % (rmd_flags))
713 def err_orphaned_backlink(self, obj_dn, backlink_attr, backlink_val,
714 target_dn, forward_attr, forward_syntax,
715 check_duplicates=True):
716 '''handle a orphaned backlink value'''
717 if check_duplicates is True and self.has_duplicate_links(target_dn, forward_attr, forward_syntax):
718 self.report("WARNING: Keep orphaned backlink attribute " + \
719 "'%s' in '%s' for link '%s' in '%s'" % (
720 backlink_attr, obj_dn, forward_attr, target_dn))
722 self.report("ERROR: orphaned backlink attribute '%s' in %s for link %s in %s" % (backlink_attr, obj_dn, forward_attr, target_dn))
723 if not self.confirm_all('Remove orphaned backlink %s' % backlink_attr, 'fix_all_orphaned_backlinks'):
724 self.report("Not removing orphaned backlink %s" % backlink_attr)
728 m['value'] = ldb.MessageElement(backlink_val, ldb.FLAG_MOD_DELETE, backlink_attr)
729 if self.do_modify(m, ["show_recycled:1", "relax:0"],
730 "Failed to fix orphaned backlink %s" % backlink_attr):
731 self.report("Fixed orphaned backlink %s" % (backlink_attr))
733 def err_recover_forward_links(self, obj, forward_attr, forward_vals):
734 '''handle a duplicate links value'''
736 self.report("RECHECK: 'Missing/Duplicate/Correct link' lines above for attribute '%s' in '%s'" % (forward_attr, obj.dn))
738 if not self.confirm_all("Commit fixes for (missing/duplicate) forward links in attribute '%s'" % forward_attr, 'recover_all_forward_links'):
739 self.report("Not fixing corrupted (missing/duplicate) forward links in attribute '%s' of '%s'" % (
740 forward_attr, obj.dn))
744 m['value'] = ldb.MessageElement(forward_vals, ldb.FLAG_MOD_REPLACE, forward_attr)
745 if self.do_modify(m, ["local_oid:1.3.6.1.4.1.7165.4.3.19.2:1"],
746 "Failed to fix duplicate links in attribute '%s'" % forward_attr):
747 self.report("Fixed duplicate links in attribute '%s'" % (forward_attr))
749 def err_no_fsmoRoleOwner(self, obj):
750 '''handle a missing fSMORoleOwner'''
751 self.report("ERROR: fSMORoleOwner not found for role %s" % (obj.dn))
752 res = self.samdb.search("",
753 scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
755 serviceName = res[0]["dsServiceName"][0]
756 if not self.confirm_all('Sieze role %s onto current DC by adding fSMORoleOwner=%s' % (obj.dn, serviceName), 'seize_fsmo_role'):
757 self.report("Not Siezing role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
761 m['value'] = ldb.MessageElement(serviceName, ldb.FLAG_MOD_ADD, 'fSMORoleOwner')
762 if self.do_modify(m, [],
763 "Failed to sieze role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName)):
764 self.report("Siezed role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
766 def err_missing_parent(self, obj):
767 '''handle a missing parent'''
768 self.report("ERROR: parent object not found for %s" % (obj.dn))
769 if not self.confirm_all('Move object %s into LostAndFound?' % (obj.dn), 'move_to_lost_and_found'):
770 self.report('Not moving object %s into LostAndFound' % (obj.dn))
773 keep_transaction = False
774 self.samdb.transaction_start()
776 nc_root = self.samdb.get_nc_root(obj.dn);
777 lost_and_found = self.samdb.get_wellknown_dn(nc_root, dsdb.DS_GUID_LOSTANDFOUND_CONTAINER)
778 new_dn = ldb.Dn(self.samdb, str(obj.dn))
779 new_dn.remove_base_components(len(new_dn) - 1)
780 if self.do_rename(obj.dn, new_dn, lost_and_found, ["show_deleted:0", "relax:0"],
781 "Failed to rename object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found)):
782 self.report("Renamed object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found))
786 m['lastKnownParent'] = ldb.MessageElement(str(obj.dn.parent()), ldb.FLAG_MOD_REPLACE, 'lastKnownParent')
788 if self.do_modify(m, [],
789 "Failed to set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found)):
790 self.report("Set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found))
791 keep_transaction = True
793 self.samdb.transaction_cancel()
797 self.samdb.transaction_commit()
799 self.samdb.transaction_cancel()
801 def err_wrong_dn(self, obj, new_dn, rdn_attr, rdn_val, name_val):
802 '''handle a wrong dn'''
804 new_rdn = ldb.Dn(self.samdb, str(new_dn))
805 new_rdn.remove_base_components(len(new_rdn) - 1)
806 new_parent = new_dn.parent()
809 if rdn_val != name_val:
810 attributes += "%s=%r " % (rdn_attr, rdn_val)
811 attributes += "name=%r" % (name_val)
813 self.report("ERROR: wrong dn[%s] %s new_dn[%s]" % (obj.dn, attributes, new_dn))
814 if not self.confirm_all("Rename %s to %s?" % (obj.dn, new_dn), 'fix_dn'):
815 self.report("Not renaming %s to %s" % (obj.dn, new_dn))
818 if self.do_rename(obj.dn, new_rdn, new_parent, ["show_recycled:1", "relax:0"],
819 "Failed to rename object %s into %s" % (obj.dn, new_dn)):
820 self.report("Renamed %s into %s" % (obj.dn, new_dn))
822 def err_wrong_instancetype(self, obj, calculated_instancetype):
823 '''handle a wrong instanceType'''
824 self.report("ERROR: wrong instanceType %s on %s, should be %d" % (obj["instanceType"], obj.dn, calculated_instancetype))
825 if not self.confirm_all('Change instanceType from %s to %d on %s?' % (obj["instanceType"], calculated_instancetype, obj.dn), 'fix_instancetype'):
826 self.report('Not changing instanceType from %s to %d on %s' % (obj["instanceType"], calculated_instancetype, obj.dn))
831 m['value'] = ldb.MessageElement(str(calculated_instancetype), ldb.FLAG_MOD_REPLACE, 'instanceType')
832 if self.do_modify(m, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA],
833 "Failed to correct missing instanceType on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype)):
834 self.report("Corrected instancetype on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype))
836 def err_short_userParameters(self, obj, attrname, value):
837 # This is a truncated userParameters due to a pre 4.1 replication bug
838 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)))
840 def err_base64_userParameters(self, obj, attrname, value):
841 '''handle a wrong userParameters'''
842 self.report("ERROR: wrongly formatted userParameters %s on %s, should not be base64-encoded" % (value, obj.dn))
843 if not self.confirm_all('Convert userParameters from base64 encoding on %s?' % (obj.dn), 'fix_base64_userparameters'):
844 self.report('Not changing userParameters from base64 encoding on %s' % (obj.dn))
849 m['value'] = ldb.MessageElement(b64decode(obj[attrname][0]), ldb.FLAG_MOD_REPLACE, 'userParameters')
850 if self.do_modify(m, [],
851 "Failed to correct base64-encoded userParameters on %s by converting from base64" % (obj.dn)):
852 self.report("Corrected base64-encoded userParameters on %s by converting from base64" % (obj.dn))
854 def err_utf8_userParameters(self, obj, attrname, value):
855 '''handle a wrong userParameters'''
856 self.report("ERROR: wrongly formatted userParameters on %s, should not be psudo-UTF8 encoded" % (obj.dn))
857 if not self.confirm_all('Convert userParameters from UTF8 encoding on %s?' % (obj.dn), 'fix_utf8_userparameters'):
858 self.report('Not changing userParameters from UTF8 encoding on %s' % (obj.dn))
863 m['value'] = ldb.MessageElement(obj[attrname][0].decode('utf8').encode('utf-16-le'),
864 ldb.FLAG_MOD_REPLACE, 'userParameters')
865 if self.do_modify(m, [],
866 "Failed to correct psudo-UTF8 encoded userParameters on %s by converting from UTF8" % (obj.dn)):
867 self.report("Corrected psudo-UTF8 encoded userParameters on %s by converting from UTF8" % (obj.dn))
869 def err_doubled_userParameters(self, obj, attrname, value):
870 '''handle a wrong userParameters'''
871 self.report("ERROR: wrongly formatted userParameters on %s, should not be double UTF16 encoded" % (obj.dn))
872 if not self.confirm_all('Convert userParameters from doubled UTF-16 encoding on %s?' % (obj.dn), 'fix_doubled_userparameters'):
873 self.report('Not changing userParameters from doubled UTF-16 encoding on %s' % (obj.dn))
878 m['value'] = ldb.MessageElement(obj[attrname][0].decode('utf-16-le').decode('utf-16-le').encode('utf-16-le'),
879 ldb.FLAG_MOD_REPLACE, 'userParameters')
880 if self.do_modify(m, [],
881 "Failed to correct doubled-UTF16 encoded userParameters on %s by converting" % (obj.dn)):
882 self.report("Corrected doubled-UTF16 encoded userParameters on %s by converting" % (obj.dn))
884 def err_odd_userParameters(self, obj, attrname):
885 # This is a truncated userParameters due to a pre 4.1 replication bug
886 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)))
888 def find_revealed_link(self, dn, attrname, guid):
889 '''return a revealed link in an object'''
890 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[attrname],
891 controls=["show_deleted:0", "extended_dn:0", "reveal_internals:0"])
892 syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
893 for val in res[0][attrname]:
894 dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
895 guid2 = dsdb_dn.dn.get_extended_component("GUID")
900 def check_duplicate_links(self, obj, forward_attr, forward_syntax, forward_linkID, backlink_attr):
901 '''check a linked values for duplicate forward links'''
904 duplicate_dict = dict()
907 # Only forward links can have this problem
908 if forward_linkID & 1:
909 # If we got the reverse, skip it
910 return (error_count, duplicate_dict, unique_dict)
912 if backlink_attr is None:
913 return (error_count, duplicate_dict, unique_dict)
915 duplicate_cache_key = "%s:%s" % (str(obj.dn), forward_attr)
916 if duplicate_cache_key not in self.duplicate_link_cache:
917 self.duplicate_link_cache[duplicate_cache_key] = False
919 for val in obj[forward_attr]:
920 dsdb_dn = dsdb_Dn(self.samdb, val, forward_syntax)
922 # all DNs should have a GUID component
923 guid = dsdb_dn.dn.get_extended_component("GUID")
926 guidstr = str(misc.GUID(guid))
927 keystr = guidstr + dsdb_dn.prefix
928 if keystr not in unique_dict:
929 unique_dict[keystr] = dsdb_dn
932 if keystr not in duplicate_dict:
933 duplicate_dict[keystr] = dict()
934 duplicate_dict[keystr]["keep"] = None
935 duplicate_dict[keystr]["delete"] = list()
937 # Now check for the highest RMD_VERSION
938 v1 = int(unique_dict[keystr].dn.get_extended_component("RMD_VERSION"))
939 v2 = int(dsdb_dn.dn.get_extended_component("RMD_VERSION"))
941 duplicate_dict[keystr]["keep"] = unique_dict[keystr]
942 duplicate_dict[keystr]["delete"].append(dsdb_dn)
945 duplicate_dict[keystr]["keep"] = dsdb_dn
946 duplicate_dict[keystr]["delete"].append(unique_dict[keystr])
947 unique_dict[keystr] = dsdb_dn
949 # Fallback to the highest RMD_LOCAL_USN
950 u1 = int(unique_dict[keystr].dn.get_extended_component("RMD_LOCAL_USN"))
951 u2 = int(dsdb_dn.dn.get_extended_component("RMD_LOCAL_USN"))
953 duplicate_dict[keystr]["keep"] = unique_dict[keystr]
954 duplicate_dict[keystr]["delete"].append(dsdb_dn)
956 duplicate_dict[keystr]["keep"] = dsdb_dn
957 duplicate_dict[keystr]["delete"].append(unique_dict[keystr])
958 unique_dict[keystr] = dsdb_dn
961 self.duplicate_link_cache[duplicate_cache_key] = True
963 return (error_count, duplicate_dict, unique_dict)
965 def has_duplicate_links(self, dn, forward_attr, forward_syntax):
966 '''check a linked values for duplicate forward links'''
969 duplicate_cache_key = "%s:%s" % (str(dn), forward_attr)
970 if duplicate_cache_key in self.duplicate_link_cache:
971 return self.duplicate_link_cache[duplicate_cache_key]
973 forward_linkID, backlink_attr = self.get_attr_linkID_and_reverse_name(forward_attr)
975 attrs = [forward_attr]
976 controls = ["extended_dn:1:1", "reveal_internals:0"]
978 # check its the right GUID
980 res = self.samdb.search(base=str(dn), scope=ldb.SCOPE_BASE,
981 attrs=attrs, controls=controls)
982 except ldb.LdbError, (enum, estr):
983 if enum != ldb.ERR_NO_SUCH_OBJECT:
989 error_count, duplicate_dict, unique_dict = \
990 self.check_duplicate_links(obj, forward_attr, forward_syntax, forward_linkID, backlink_attr)
992 if duplicate_cache_key in self.duplicate_link_cache:
993 return self.duplicate_link_cache[duplicate_cache_key]
997 def find_missing_forward_links_from_backlinks(self, obj,
1001 forward_unique_dict):
1002 '''Find all backlinks linking to obj_guid_str not already in forward_unique_dict'''
1003 missing_forward_links = []
1006 if backlink_attr is None:
1007 return (missing_forward_links, error_count)
1009 if forward_syntax != ldb.SYNTAX_DN:
1010 self.report("Not checking for missing forward links for syntax: %s",
1012 return (missing_forward_links, error_count)
1015 obj_guid = obj['objectGUID'][0]
1016 obj_guid_str = str(ndr_unpack(misc.GUID, obj_guid))
1017 filter = "(%s=<GUID=%s>)" % (backlink_attr, obj_guid_str)
1019 res = self.samdb.search(expression=filter,
1020 scope=ldb.SCOPE_SUBTREE, attrs=["objectGUID"],
1021 controls=["extended_dn:1:1",
1022 "search_options:1:2",
1023 "paged_results:1:1000"])
1024 except ldb.LdbError, (enum, estr):
1028 target_dn = dsdb_Dn(self.samdb, r.dn.extended_str(), forward_syntax)
1030 guid = target_dn.dn.get_extended_component("GUID")
1031 guidstr = str(misc.GUID(guid))
1032 if guidstr in forward_unique_dict:
1035 # A valid forward link looks like this:
1037 # <GUID=9f92d30a-fc23-11e4-a5f6-30be15454808>;
1038 # <RMD_ADDTIME=131607546230000000>;
1039 # <RMD_CHANGETIME=131607546230000000>;
1041 # <RMD_INVOCID=4e4496a3-7fb8-4f97-8a33-d238db8b5e2d>;
1042 # <RMD_LOCAL_USN=3765>;
1043 # <RMD_ORIGINATING_USN=3765>;
1045 # <SID=S-1-5-21-4177067393-1453636373-93818738-1124>;
1046 # CN=unsorted-u8,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp
1048 # Note that versions older than Samba 4.8 create
1049 # links with RMD_VERSION=0.
1051 # Try to get the local_usn and time from objectClass
1052 # if possible and fallback to any other one.
1053 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1054 obj['replPropertyMetadata'][0])
1055 for o in repl.ctr.array:
1056 local_usn = o.local_usn
1057 t = o.originating_change_time
1058 if o.attid == drsuapi.DRSUAPI_ATTID_objectClass:
1061 # We use a magic invocationID for restoring missing
1062 # forward links to recover from bug #13228.
1063 # This should allow some more future magic to fix the
1066 # It also means it looses the conflict resolution
1067 # against almost every real invocation, if the
1068 # version is also 0.
1069 originating_invocid = misc.GUID("ffffffff-4700-4700-4700-000000b13228")
1075 rmd_invocid = originating_invocid
1076 rmd_originating_usn = originating_usn
1077 rmd_local_usn = local_usn
1080 target_dn.dn.set_extended_component("RMD_ADDTIME", str(rmd_addtime))
1081 target_dn.dn.set_extended_component("RMD_CHANGETIME", str(rmd_changetime))
1082 target_dn.dn.set_extended_component("RMD_FLAGS", str(rmd_flags))
1083 target_dn.dn.set_extended_component("RMD_INVOCID", ndr_pack(rmd_invocid))
1084 target_dn.dn.set_extended_component("RMD_ORIGINATING_USN", str(rmd_originating_usn))
1085 target_dn.dn.set_extended_component("RMD_LOCAL_USN", str(rmd_local_usn))
1086 target_dn.dn.set_extended_component("RMD_VERSION", str(rmd_version))
1089 missing_forward_links.append(target_dn)
1091 return (missing_forward_links, error_count)
1093 def check_dn(self, obj, attrname, syntax_oid):
1094 '''check a DN attribute for correctness'''
1096 obj_guid = obj['objectGUID'][0]
1098 linkID, reverse_link_name = self.get_attr_linkID_and_reverse_name(attrname)
1099 if reverse_link_name is not None:
1100 reverse_syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(reverse_link_name)
1102 reverse_syntax_oid = None
1104 error_count, duplicate_dict, unique_dict = \
1105 self.check_duplicate_links(obj, attrname, syntax_oid, linkID, reverse_link_name)
1107 if len(duplicate_dict) != 0:
1109 missing_forward_links, missing_error_count = \
1110 self.find_missing_forward_links_from_backlinks(obj,
1111 attrname, syntax_oid,
1114 error_count += missing_error_count
1116 forward_links = [dn for dn in unique_dict.values()]
1118 if missing_error_count != 0:
1119 self.report("ERROR: Missing and duplicate forward link values for attribute '%s' in '%s'" % (
1122 self.report("ERROR: Duplicate forward link values for attribute '%s' in '%s'" % (attrname, obj.dn))
1123 for m in missing_forward_links:
1124 self.report("Missing link '%s'" % (m))
1125 if not self.confirm_all("Schedule readding missing forward link for attribute %s" % attrname,
1126 'fix_all_missing_forward_links'):
1127 self.err_orphaned_backlink(m.dn, reverse_link_name,
1128 obj.dn.extended_str(), obj.dn,
1129 attrname, syntax_oid,
1130 check_duplicates=False)
1132 forward_links += [m]
1133 for keystr in duplicate_dict.keys():
1134 d = duplicate_dict[keystr]
1135 for dd in d["delete"]:
1136 self.report("Duplicate link '%s'" % dd)
1137 self.report("Correct link '%s'" % d["keep"])
1139 # We now construct the sorted dn values.
1140 # They're sorted by the objectGUID of the target
1141 # See dsdb_Dn.__cmp__()
1142 vals = [str(dn) for dn in sorted(forward_links)]
1143 self.err_recover_forward_links(obj, attrname, vals)
1144 # We should continue with the fixed values
1145 obj[attrname] = ldb.MessageElement(vals, 0, attrname)
1147 for val in obj[attrname]:
1148 dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
1150 # all DNs should have a GUID component
1151 guid = dsdb_dn.dn.get_extended_component("GUID")
1154 self.err_missing_dn_GUID_component(obj.dn, attrname, val, dsdb_dn,
1158 guidstr = str(misc.GUID(guid))
1159 attrs = ['isDeleted', 'replPropertyMetaData']
1161 if (str(attrname).lower() == 'msds-hasinstantiatedncs') and (obj.dn == self.ntds_dsa):
1162 fixing_msDS_HasInstantiatedNCs = True
1163 attrs.append("instanceType")
1165 fixing_msDS_HasInstantiatedNCs = False
1167 if reverse_link_name is not None:
1168 attrs.append(reverse_link_name)
1170 # check its the right GUID
1172 res = self.samdb.search(base="<GUID=%s>" % guidstr, scope=ldb.SCOPE_BASE,
1173 attrs=attrs, controls=["extended_dn:1:1", "show_recycled:1",
1174 "reveal_internals:0"
1176 except ldb.LdbError, (enum, estr):
1177 if enum != ldb.ERR_NO_SUCH_OBJECT:
1180 # We don't always want to
1181 error_count += self.err_missing_target_dn_or_GUID(obj.dn,
1187 if fixing_msDS_HasInstantiatedNCs:
1188 dsdb_dn.prefix = "B:8:%08X:" % int(res[0]['instanceType'][0])
1189 dsdb_dn.binary = "%08X" % int(res[0]['instanceType'][0])
1191 if str(dsdb_dn) != val:
1193 self.err_incorrect_binary_dn(obj.dn, attrname, val, dsdb_dn, "incorrect instanceType part of Binary DN")
1196 # now we have two cases - the source object might or might not be deleted
1197 is_deleted = 'isDeleted' in obj and obj['isDeleted'][0].upper() == 'TRUE'
1198 target_is_deleted = 'isDeleted' in res[0] and res[0]['isDeleted'][0].upper() == 'TRUE'
1201 if is_deleted and not obj.dn in self.deleted_objects_containers and linkID:
1202 # A fully deleted object should not have any linked
1203 # attributes. (MS-ADTS 3.1.1.5.5.1.1 Tombstone
1204 # Requirements and 3.1.1.5.5.1.3 Recycled-Object
1206 self.err_undead_linked_attribute(obj, attrname, val)
1209 elif target_is_deleted and not self.is_deleted_objects_dn(dsdb_dn) and linkID:
1210 # the target DN is not allowed to be deleted, unless the target DN is the
1211 # special Deleted Objects container
1213 local_usn = dsdb_dn.dn.get_extended_component("RMD_LOCAL_USN")
1215 if 'replPropertyMetaData' in res[0]:
1216 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1217 str(res[0]['replPropertyMetadata']))
1219 for o in repl.ctr.array:
1220 if o.attid == drsuapi.DRSUAPI_ATTID_isDeleted:
1221 deleted_usn = o.local_usn
1222 if deleted_usn >= int(local_usn):
1223 # If the object was deleted after the link
1224 # was last modified then, clean it up here
1229 self.err_deleted_dn(obj.dn, attrname,
1230 val, dsdb_dn, res[0].dn, True)
1233 self.err_deleted_dn(obj.dn, attrname, val, dsdb_dn, res[0].dn, False)
1236 # We should not check for incorrect
1237 # components on deleted links, as these are allowed to
1238 # go stale (we just need the GUID, not the name)
1239 rmd_blob = dsdb_dn.dn.get_extended_component("RMD_FLAGS")
1241 if rmd_blob is not None:
1242 rmd_flags = int(rmd_blob)
1244 # assert the DN matches in string form, where a reverse
1245 # link exists, otherwise (below) offer to fix it as a non-error.
1246 # The string form is essentially only kept for forensics,
1247 # as we always re-resolve by GUID in normal operations.
1248 if not rmd_flags & 1 and reverse_link_name is not None:
1249 if str(res[0].dn) != str(dsdb_dn.dn):
1251 self.err_dn_component_target_mismatch(obj.dn, attrname, val, dsdb_dn,
1252 res[0].dn, "string")
1255 if res[0].dn.get_extended_component("GUID") != dsdb_dn.dn.get_extended_component("GUID"):
1257 self.err_dn_component_target_mismatch(obj.dn, attrname, val, dsdb_dn,
1261 if res[0].dn.get_extended_component("SID") != dsdb_dn.dn.get_extended_component("SID"):
1263 self.err_dn_component_target_mismatch(obj.dn, attrname, val, dsdb_dn,
1267 # Now we have checked the GUID and SID, offer to fix old
1268 # DN strings as a non-error (for forward links with no
1269 # backlink). Samba does not maintain this string
1270 # otherwise, so we don't increment error_count.
1271 if reverse_link_name is None:
1272 if str(res[0].dn) != str(dsdb_dn.dn):
1273 self.err_dn_string_component_old(obj.dn, attrname, val, dsdb_dn,
1277 # check the reverse_link is correct if there should be one
1279 if reverse_link_name in res[0]:
1280 for v in res[0][reverse_link_name]:
1281 v_dn = dsdb_Dn(self.samdb, v)
1282 v_guid = v_dn.dn.get_extended_component("GUID")
1283 v_blob = v_dn.dn.get_extended_component("RMD_FLAGS")
1285 if v_blob is not None:
1286 v_rmd_flags = int(v_blob)
1289 if v_guid == obj_guid:
1292 if match_count != 1:
1293 if syntax_oid == dsdb.DSDB_SYNTAX_BINARY_DN or reverse_syntax_oid == dsdb.DSDB_SYNTAX_BINARY_DN:
1295 # Forward binary multi-valued linked attribute
1297 for w in obj[attrname]:
1298 w_guid = dsdb_Dn(self.samdb, w).dn.get_extended_component("GUID")
1302 if match_count == forward_count:
1305 for v in obj[attrname]:
1306 v_dn = dsdb_Dn(self.samdb, v)
1307 v_guid = v_dn.dn.get_extended_component("GUID")
1308 v_blob = v_dn.dn.get_extended_component("RMD_FLAGS")
1310 if v_blob is not None:
1311 v_rmd_flags = int(v_blob)
1317 if match_count == expected_count:
1320 diff_count = expected_count - match_count
1323 # If there's a backward link on binary multi-valued linked attribute,
1324 # let the check on the forward link remedy the value.
1325 # UNLESS, there is no forward link detected.
1326 if match_count == 0:
1328 self.err_orphaned_backlink(obj.dn, attrname,
1333 # Only warn here and let the forward link logic fix it.
1334 self.report("WARNING: Link (back) mismatch for '%s' (%d) on '%s' to '%s' (%d) on '%s'" % (
1335 attrname, expected_count, str(obj.dn),
1336 reverse_link_name, match_count, str(dsdb_dn.dn)))
1339 assert not target_is_deleted
1341 self.report("ERROR: Link (forward) mismatch for '%s' (%d) on '%s' to '%s' (%d) on '%s'" % (
1342 attrname, expected_count, str(obj.dn),
1343 reverse_link_name, match_count, str(dsdb_dn.dn)))
1345 # Loop until the difference between the forward and
1346 # the backward links is resolved.
1347 while diff_count != 0:
1350 if match_count > 0 or diff_count > 1:
1351 # TODO no method to fix these right now
1352 self.report("ERROR: Can't fix missing "
1353 "multi-valued backlinks on %s" % str(dsdb_dn.dn))
1355 self.err_missing_backlink(obj, attrname,
1356 obj.dn.extended_str(),
1361 self.err_orphaned_backlink(res[0].dn, reverse_link_name,
1362 obj.dn.extended_str(), obj.dn,
1363 attrname, syntax_oid)
1370 def get_originating_time(self, val, attid):
1371 '''Read metadata properties and return the originating time for
1372 a given attributeId.
1374 :return: the originating time or 0 if not found
1377 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
1380 for o in repl.ctr.array:
1381 if o.attid == attid:
1382 return o.originating_change_time
1386 def process_metadata(self, dn, val):
1387 '''Read metadata properties and list attributes in it.
1388 raises KeyError if the attid is unknown.'''
1391 wrong_attids = set()
1393 in_schema_nc = dn.is_child_of(self.schema_dn)
1395 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
1398 for o in repl.ctr.array:
1399 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
1400 set_att.add(att.lower())
1401 list_attid.append(o.attid)
1402 correct_attid = self.samdb_schema.get_attid_from_lDAPDisplayName(att,
1403 is_schema_nc=in_schema_nc)
1404 if correct_attid != o.attid:
1405 wrong_attids.add(o.attid)
1407 return (set_att, list_attid, wrong_attids)
1410 def fix_metadata(self, obj, attr):
1411 '''re-write replPropertyMetaData elements for a single attribute for a
1412 object. This is used to fix missing replPropertyMetaData elements'''
1413 guid_str = str(ndr_unpack(misc.GUID, obj['objectGUID'][0]))
1414 dn = ldb.Dn(self.samdb, "<GUID=%s>" % guid_str)
1415 res = self.samdb.search(base = dn, scope=ldb.SCOPE_BASE, attrs = [attr],
1416 controls = ["search_options:1:2",
1419 nmsg = ldb.Message()
1421 nmsg[attr] = ldb.MessageElement(msg[attr], ldb.FLAG_MOD_REPLACE, attr)
1422 if self.do_modify(nmsg, ["relax:0", "provision:0", "show_recycled:1"],
1423 "Failed to fix metadata for attribute %s" % attr):
1424 self.report("Fixed metadata for attribute %s" % attr)
1426 def ace_get_effective_inherited_type(self, ace):
1427 if ace.flags & security.SEC_ACE_FLAG_INHERIT_ONLY:
1431 if ace.type == security.SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT:
1433 elif ace.type == security.SEC_ACE_TYPE_ACCESS_DENIED_OBJECT:
1435 elif ace.type == security.SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT:
1437 elif ace.type == security.SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT:
1443 if not ace.object.flags & security.SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT:
1446 return str(ace.object.inherited_type)
1448 def lookup_class_schemaIDGUID(self, cls):
1449 if cls in self.class_schemaIDGUID:
1450 return self.class_schemaIDGUID[cls]
1452 flt = "(&(ldapDisplayName=%s)(objectClass=classSchema))" % cls
1453 res = self.samdb.search(base=self.schema_dn,
1455 attrs=["schemaIDGUID"])
1456 t = str(ndr_unpack(misc.GUID, res[0]["schemaIDGUID"][0]))
1458 self.class_schemaIDGUID[cls] = t
1461 def process_sd(self, dn, obj):
1462 sd_attr = "nTSecurityDescriptor"
1463 sd_val = obj[sd_attr]
1465 sd = ndr_unpack(security.descriptor, str(sd_val))
1467 is_deleted = 'isDeleted' in obj and obj['isDeleted'][0].upper() == 'TRUE'
1469 # we don't fix deleted objects
1472 sd_clean = security.descriptor()
1473 sd_clean.owner_sid = sd.owner_sid
1474 sd_clean.group_sid = sd.group_sid
1475 sd_clean.type = sd.type
1476 sd_clean.revision = sd.revision
1479 last_inherited_type = None
1482 if sd.sacl is not None:
1484 for i in range(0, len(aces)):
1487 if not ace.flags & security.SEC_ACE_FLAG_INHERITED_ACE:
1488 sd_clean.sacl_add(ace)
1491 t = self.ace_get_effective_inherited_type(ace)
1495 if last_inherited_type is not None:
1496 if t != last_inherited_type:
1497 # if it inherited from more than
1498 # one type it's very likely to be broken
1500 # If not the recalculation will calculate
1505 last_inherited_type = t
1508 if sd.dacl is not None:
1510 for i in range(0, len(aces)):
1513 if not ace.flags & security.SEC_ACE_FLAG_INHERITED_ACE:
1514 sd_clean.dacl_add(ace)
1517 t = self.ace_get_effective_inherited_type(ace)
1521 if last_inherited_type is not None:
1522 if t != last_inherited_type:
1523 # if it inherited from more than
1524 # one type it's very likely to be broken
1526 # If not the recalculation will calculate
1531 last_inherited_type = t
1534 return (sd_clean, sd)
1536 if last_inherited_type is None:
1542 cls = obj["objectClass"][-1]
1547 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
1548 attrs=["isDeleted", "objectClass"],
1549 controls=["show_recycled:1"])
1551 is_deleted = 'isDeleted' in o and o['isDeleted'][0].upper() == 'TRUE'
1553 # we don't fix deleted objects
1555 cls = o["objectClass"][-1]
1557 t = self.lookup_class_schemaIDGUID(cls)
1559 if t != last_inherited_type:
1561 return (sd_clean, sd)
1566 def err_wrong_sd(self, dn, sd, sd_broken):
1567 '''re-write the SD due to incorrect inherited ACEs'''
1568 sd_attr = "nTSecurityDescriptor"
1569 sd_val = ndr_pack(sd)
1570 sd_flags = security.SECINFO_DACL | security.SECINFO_SACL
1572 if not self.confirm_all('Fix %s on %s?' % (sd_attr, dn), 'fix_ntsecuritydescriptor'):
1573 self.report('Not fixing %s on %s\n' % (sd_attr, dn))
1576 nmsg = ldb.Message()
1578 nmsg[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
1579 if self.do_modify(nmsg, ["sd_flags:1:%d" % sd_flags],
1580 "Failed to fix attribute %s" % sd_attr):
1581 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
1583 def err_wrong_default_sd(self, dn, sd, sd_old, diff):
1584 '''re-write the SD due to not matching the default (optional mode for fixing an incorrect provision)'''
1585 sd_attr = "nTSecurityDescriptor"
1586 sd_val = ndr_pack(sd)
1587 sd_old_val = ndr_pack(sd_old)
1588 sd_flags = security.SECINFO_DACL | security.SECINFO_SACL
1589 if sd.owner_sid is not None:
1590 sd_flags |= security.SECINFO_OWNER
1591 if sd.group_sid is not None:
1592 sd_flags |= security.SECINFO_GROUP
1594 if not self.confirm_all('Reset %s on %s back to provision default?\n%s' % (sd_attr, dn, diff), 'reset_all_well_known_acls'):
1595 self.report('Not resetting %s on %s\n' % (sd_attr, dn))
1600 m[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
1601 if self.do_modify(m, ["sd_flags:1:%d" % sd_flags],
1602 "Failed to reset attribute %s" % sd_attr):
1603 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
1605 def err_missing_sd_owner(self, dn, sd):
1606 '''re-write the SD due to a missing owner or group'''
1607 sd_attr = "nTSecurityDescriptor"
1608 sd_val = ndr_pack(sd)
1609 sd_flags = security.SECINFO_OWNER | security.SECINFO_GROUP
1611 if not self.confirm_all('Fix missing owner or group in %s on %s?' % (sd_attr, dn), 'fix_ntsecuritydescriptor_owner_group'):
1612 self.report('Not fixing missing owner or group %s on %s\n' % (sd_attr, dn))
1615 nmsg = ldb.Message()
1617 nmsg[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
1619 # By setting the session_info to admin_session_info and
1620 # setting the security.SECINFO_OWNER | security.SECINFO_GROUP
1621 # flags we cause the descriptor module to set the correct
1622 # owner and group on the SD, replacing the None/NULL values
1623 # for owner_sid and group_sid currently present.
1625 # The admin_session_info matches that used in provision, and
1626 # is the best guess we can make for an existing object that
1627 # hasn't had something specifically set.
1629 # This is important for the dns related naming contexts.
1630 self.samdb.set_session_info(self.admin_session_info)
1631 if self.do_modify(nmsg, ["sd_flags:1:%d" % sd_flags],
1632 "Failed to fix metadata for attribute %s" % sd_attr):
1633 self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
1634 self.samdb.set_session_info(self.system_session_info)
1637 def has_replmetadata_zero_invocationid(self, dn, repl_meta_data):
1638 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1639 str(repl_meta_data))
1643 # Search for a zero invocationID
1644 if o.originating_invocation_id != misc.GUID("00000000-0000-0000-0000-000000000000"):
1648 self.report('''ERROR: on replPropertyMetaData of %s, the instanceType on attribute 0x%08x,
1649 version %d changed at %s is 00000000-0000-0000-0000-000000000000,
1650 but should be non-zero. Proposed fix is to set to our invocationID (%s).'''
1651 % (dn, o.attid, o.version,
1652 time.ctime(samba.nttime2unix(o.originating_change_time)),
1653 self.samdb.get_invocation_id()))
1658 def err_replmetadata_zero_invocationid(self, dn, attr, repl_meta_data):
1659 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1660 str(repl_meta_data))
1662 now = samba.unix2nttime(int(time.time()))
1665 # Search for a zero invocationID
1666 if o.originating_invocation_id != misc.GUID("00000000-0000-0000-0000-000000000000"):
1670 seq = self.samdb.sequence_number(ldb.SEQ_NEXT)
1671 o.version = o.version + 1
1672 o.originating_change_time = now
1673 o.originating_invocation_id = misc.GUID(self.samdb.get_invocation_id())
1674 o.originating_usn = seq
1678 replBlob = ndr_pack(repl)
1682 if not self.confirm_all('Fix %s on %s by setting originating_invocation_id on some elements to our invocationID %s?'
1683 % (attr, dn, self.samdb.get_invocation_id()), 'fix_replmetadata_zero_invocationid'):
1684 self.report('Not fixing zero originating_invocation_id in %s on %s\n' % (attr, dn))
1687 nmsg = ldb.Message()
1689 nmsg[attr] = ldb.MessageElement(replBlob, ldb.FLAG_MOD_REPLACE, attr)
1690 if self.do_modify(nmsg, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA,
1691 "local_oid:1.3.6.1.4.1.7165.4.3.14:0"],
1692 "Failed to fix attribute %s" % attr):
1693 self.report("Fixed attribute '%s' of '%s'\n" % (attr, dn))
1696 def err_replmetadata_unknown_attid(self, dn, attr, repl_meta_data):
1697 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1698 str(repl_meta_data))
1701 # Search for an invalid attid
1703 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
1705 self.report('ERROR: attributeID 0X%0X is not known in our schema, not fixing %s on %s\n' % (o.attid, attr, dn))
1709 def err_replmetadata_incorrect_attid(self, dn, attr, repl_meta_data, wrong_attids):
1710 repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
1711 str(repl_meta_data))
1715 remove_attid = set()
1718 in_schema_nc = dn.is_child_of(self.schema_dn)
1721 # Sort the array, except for the last element. This strange
1722 # construction, creating a new list, due to bugs in samba's
1723 # array handling in IDL generated objects.
1724 ctr.array = sorted(ctr.array[:], key=lambda o: o.attid)
1725 # Now walk it in reverse, so we see the low (and so incorrect,
1726 # the correct values are above 0x80000000) values first and
1727 # remove the 'second' value we see.
1728 for o in reversed(ctr.array):
1729 print "%s: 0x%08x" % (dn, o.attid)
1730 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
1731 if att.lower() in set_att:
1732 self.report('ERROR: duplicate attributeID values for %s in %s on %s\n' % (att, attr, dn))
1733 if not self.confirm_all('Fix %s on %s by removing the duplicate value 0x%08x for %s (keeping 0x%08x)?'
1734 % (attr, dn, o.attid, att, hash_att[att].attid),
1735 'fix_replmetadata_duplicate_attid'):
1736 self.report('Not fixing duplicate value 0x%08x for %s in %s on %s\n'
1737 % (o.attid, att, attr, dn))
1740 remove_attid.add(o.attid)
1741 # We want to set the metadata for the most recent
1742 # update to have been applied locally, that is the metadata
1743 # matching the (eg string) value in the attribute
1744 if o.local_usn > hash_att[att].local_usn:
1745 # This is always what we would have sent over DRS,
1746 # because the DRS server will have sent the
1747 # msDS-IntID, but with the values from both
1748 # attribute entries.
1749 hash_att[att].version = o.version
1750 hash_att[att].originating_change_time = o.originating_change_time
1751 hash_att[att].originating_invocation_id = o.originating_invocation_id
1752 hash_att[att].originating_usn = o.originating_usn
1753 hash_att[att].local_usn = o.local_usn
1755 # Do not re-add the value to the set or overwrite the hash value
1759 set_att.add(att.lower())
1761 # Generate a real list we can sort on properly
1762 new_list = [o for o in ctr.array if o.attid not in remove_attid]
1764 if (len(wrong_attids) > 0):
1766 if o.attid in wrong_attids:
1767 att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
1768 correct_attid = self.samdb_schema.get_attid_from_lDAPDisplayName(att, is_schema_nc=in_schema_nc)
1769 self.report('ERROR: incorrect attributeID values in %s on %s\n' % (attr, dn))
1770 if not self.confirm_all('Fix %s on %s by replacing incorrect value 0x%08x for %s (new 0x%08x)?'
1771 % (attr, dn, o.attid, att, hash_att[att].attid), 'fix_replmetadata_wrong_attid'):
1772 self.report('Not fixing incorrect value 0x%08x with 0x%08x for %s in %s on %s\n'
1773 % (o.attid, correct_attid, att, attr, dn))
1776 o.attid = correct_attid
1778 # Sort the array, (we changed the value so must re-sort)
1779 new_list[:] = sorted(new_list[:], key=lambda o: o.attid)
1781 # If we did not already need to fix it, then ask about sorting
1783 self.report('ERROR: unsorted attributeID values in %s on %s\n' % (attr, dn))
1784 if not self.confirm_all('Fix %s on %s by sorting the attribute list?'
1785 % (attr, dn), 'fix_replmetadata_unsorted_attid'):
1786 self.report('Not fixing %s on %s\n' % (attr, dn))
1789 # The actual sort done is done at the top of the function
1791 ctr.count = len(new_list)
1792 ctr.array = new_list
1793 replBlob = ndr_pack(repl)
1795 nmsg = ldb.Message()
1797 nmsg[attr] = ldb.MessageElement(replBlob, ldb.FLAG_MOD_REPLACE, attr)
1798 if self.do_modify(nmsg, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA,
1799 "local_oid:1.3.6.1.4.1.7165.4.3.14:0",
1800 "local_oid:1.3.6.1.4.1.7165.4.3.25:0"],
1801 "Failed to fix attribute %s" % attr):
1802 self.report("Fixed attribute '%s' of '%s'\n" % (attr, dn))
1805 def is_deleted_deleted_objects(self, obj):
1807 if "description" not in obj:
1808 self.report("ERROR: description not present on Deleted Objects container %s" % obj.dn)
1810 if "showInAdvancedViewOnly" not in obj or obj['showInAdvancedViewOnly'][0].upper() == 'FALSE':
1811 self.report("ERROR: showInAdvancedViewOnly not present on Deleted Objects container %s" % obj.dn)
1813 if "objectCategory" not in obj:
1814 self.report("ERROR: objectCategory not present on Deleted Objects container %s" % obj.dn)
1816 if "isCriticalSystemObject" not in obj or obj['isCriticalSystemObject'][0].upper() == 'FALSE':
1817 self.report("ERROR: isCriticalSystemObject not present on Deleted Objects container %s" % obj.dn)
1819 if "isRecycled" in obj:
1820 self.report("ERROR: isRecycled present on Deleted Objects container %s" % obj.dn)
1822 if "isDeleted" in obj and obj['isDeleted'][0].upper() == 'FALSE':
1823 self.report("ERROR: isDeleted not set on Deleted Objects container %s" % obj.dn)
1825 if "objectClass" not in obj or (len(obj['objectClass']) != 2 or
1826 obj['objectClass'][0] != 'top' or
1827 obj['objectClass'][1] != 'container'):
1828 self.report("ERROR: objectClass incorrectly set on Deleted Objects container %s" % obj.dn)
1830 if "systemFlags" not in obj or obj['systemFlags'][0] != '-1946157056':
1831 self.report("ERROR: systemFlags incorrectly set on Deleted Objects container %s" % obj.dn)
1835 def err_deleted_deleted_objects(self, obj):
1836 nmsg = ldb.Message()
1837 nmsg.dn = dn = obj.dn
1839 if "description" not in obj:
1840 nmsg["description"] = ldb.MessageElement("Container for deleted objects", ldb.FLAG_MOD_REPLACE, "description")
1841 if "showInAdvancedViewOnly" not in obj:
1842 nmsg["showInAdvancedViewOnly"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "showInAdvancedViewOnly")
1843 if "objectCategory" not in obj:
1844 nmsg["objectCategory"] = ldb.MessageElement("CN=Container,%s" % self.schema_dn, ldb.FLAG_MOD_REPLACE, "objectCategory")
1845 if "isCriticalSystemObject" not in obj:
1846 nmsg["isCriticalSystemObject"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isCriticalSystemObject")
1847 if "isRecycled" in obj:
1848 nmsg["isRecycled"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_DELETE, "isRecycled")
1850 nmsg["isDeleted"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isDeleted")
1851 nmsg["systemFlags"] = ldb.MessageElement("-1946157056", ldb.FLAG_MOD_REPLACE, "systemFlags")
1852 nmsg["objectClass"] = ldb.MessageElement(["top", "container"], ldb.FLAG_MOD_REPLACE, "objectClass")
1854 if not self.confirm_all('Fix Deleted Objects container %s by restoring default attributes?'
1855 % (dn), 'fix_deleted_deleted_objects'):
1856 self.report('Not fixing missing/incorrect attributes on %s\n' % (dn))
1859 if self.do_modify(nmsg, ["relax:0"],
1860 "Failed to fix Deleted Objects container %s" % dn):
1861 self.report("Fixed Deleted Objects container '%s'\n" % (dn))
1863 def err_replica_locations(self, obj, cross_ref, attr):
1864 nmsg = ldb.Message()
1866 target = self.samdb.get_dsServiceName()
1868 if self.samdb.am_rodc():
1869 self.report('Not fixing %s for the RODC' % (attr, obj.dn))
1872 if not self.confirm_all('Add yourself to the replica locations for %s?'
1873 % (obj.dn), 'fix_replica_locations'):
1874 self.report('Not fixing missing/incorrect attributes on %s\n' % (obj.dn))
1877 nmsg[attr] = ldb.MessageElement(target, ldb.FLAG_MOD_ADD, attr)
1878 if self.do_modify(nmsg, [], "Failed to add %s for %s" % (attr, obj.dn)):
1879 self.report("Fixed %s for %s" % (attr, obj.dn))
1881 def is_fsmo_role(self, dn):
1882 if dn == self.samdb.domain_dn:
1884 if dn == self.infrastructure_dn:
1886 if dn == self.naming_dn:
1888 if dn == self.schema_dn:
1890 if dn == self.rid_dn:
1895 def calculate_instancetype(self, dn):
1897 nc_root = self.samdb.get_nc_root(dn)
1899 instancetype |= dsdb.INSTANCE_TYPE_IS_NC_HEAD
1901 self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE, attrs=[], controls=["show_recycled:1"])
1902 except ldb.LdbError, (enum, estr):
1903 if enum != ldb.ERR_NO_SUCH_OBJECT:
1906 instancetype |= dsdb.INSTANCE_TYPE_NC_ABOVE
1908 if self.write_ncs is not None and str(nc_root) in self.write_ncs:
1909 instancetype |= dsdb.INSTANCE_TYPE_WRITE
1913 def get_wellknown_sd(self, dn):
1914 for [sd_dn, descriptor_fn] in self.wellknown_sds:
1916 domain_sid = security.dom_sid(self.samdb.get_domain_sid())
1917 return ndr_unpack(security.descriptor,
1918 descriptor_fn(domain_sid,
1919 name_map=self.name_map))
1923 def check_object(self, dn, attrs=['*']):
1924 '''check one object'''
1926 self.report("Checking object %s" % dn)
1928 # If we modify the pass-by-reference attrs variable, then we get a
1929 # replPropertyMetadata for every object that we check.
1931 if "dn" in map(str.lower, attrs):
1932 attrs.append("name")
1933 if "distinguishedname" in map(str.lower, attrs):
1934 attrs.append("name")
1935 if str(dn.get_rdn_name()).lower() in map(str.lower, attrs):
1936 attrs.append("name")
1937 if 'name' in map(str.lower, attrs):
1938 attrs.append(dn.get_rdn_name())
1939 attrs.append("isDeleted")
1940 attrs.append("systemFlags")
1941 need_replPropertyMetaData = False
1943 need_replPropertyMetaData = True
1946 linkID, _ = self.get_attr_linkID_and_reverse_name(a)
1951 need_replPropertyMetaData = True
1953 if need_replPropertyMetaData:
1954 attrs.append("replPropertyMetaData")
1955 attrs.append("objectGUID")
1959 sd_flags |= security.SECINFO_OWNER
1960 sd_flags |= security.SECINFO_GROUP
1961 sd_flags |= security.SECINFO_DACL
1962 sd_flags |= security.SECINFO_SACL
1964 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
1969 "sd_flags:1:%d" % sd_flags,
1970 "reveal_internals:0",
1973 except ldb.LdbError, (enum, estr):
1974 if enum == ldb.ERR_NO_SUCH_OBJECT:
1975 if self.in_transaction:
1976 self.report("ERROR: Object %s disappeared during check" % dn)
1981 self.report("ERROR: Object %s failed to load during check" % dn)
1985 set_attrs_from_md = set()
1986 set_attrs_seen = set()
1987 got_repl_property_meta_data = False
1988 got_objectclass = False
1990 nc_dn = self.samdb.get_nc_root(obj.dn)
1992 deleted_objects_dn = self.samdb.get_wellknown_dn(nc_dn,
1993 samba.dsdb.DS_GUID_DELETED_OBJECTS_CONTAINER)
1995 # We have no deleted objects DN for schema, and we check for this above for the other
1997 deleted_objects_dn = None
2000 object_rdn_attr = None
2001 object_rdn_val = None
2006 for attrname in obj:
2007 if attrname == 'dn' or attrname == "distinguishedName":
2010 if str(attrname).lower() == 'objectclass':
2011 got_objectclass = True
2013 if str(attrname).lower() == "name":
2014 if len(obj[attrname]) != 1:
2016 self.report("ERROR: Not fixing num_values(%d) for '%s' on '%s'" %
2017 (len(obj[attrname]), attrname, str(obj.dn)))
2019 name_val = obj[attrname][0]
2021 if str(attrname).lower() == str(obj.dn.get_rdn_name()).lower():
2022 object_rdn_attr = attrname
2023 if len(obj[attrname]) != 1:
2025 self.report("ERROR: Not fixing num_values(%d) for '%s' on '%s'" %
2026 (len(obj[attrname]), attrname, str(obj.dn)))
2028 object_rdn_val = obj[attrname][0]
2030 if str(attrname).lower() == 'isdeleted':
2031 if obj[attrname][0] != "FALSE":
2034 if str(attrname).lower() == 'systemflags':
2035 systemFlags = int(obj[attrname][0])
2037 if str(attrname).lower() == 'replpropertymetadata':
2038 if self.has_replmetadata_zero_invocationid(dn, obj[attrname]):
2040 self.err_replmetadata_zero_invocationid(dn, attrname, obj[attrname])
2041 # We don't continue, as we may also have other fixes for this attribute
2042 # based on what other attributes we see.
2045 (set_attrs_from_md, list_attid_from_md, wrong_attids) \
2046 = self.process_metadata(dn, obj[attrname])
2049 self.err_replmetadata_unknown_attid(dn, attrname, obj[attrname])
2052 if len(set_attrs_from_md) < len(list_attid_from_md) \
2053 or len(wrong_attids) > 0 \
2054 or sorted(list_attid_from_md) != list_attid_from_md:
2056 self.err_replmetadata_incorrect_attid(dn, attrname, obj[attrname], wrong_attids)
2059 # Here we check that the first attid is 0
2061 if list_attid_from_md[0] != 0:
2063 self.report("ERROR: Not fixing incorrect inital attributeID in '%s' on '%s', it should be objectClass" %
2064 (attrname, str(dn)))
2066 got_repl_property_meta_data = True
2069 if str(attrname).lower() == 'ntsecuritydescriptor':
2070 (sd, sd_broken) = self.process_sd(dn, obj)
2071 if sd_broken is not None:
2072 self.err_wrong_sd(dn, sd, sd_broken)
2076 if sd.owner_sid is None or sd.group_sid is None:
2077 self.err_missing_sd_owner(dn, sd)
2081 if self.reset_well_known_acls:
2083 well_known_sd = self.get_wellknown_sd(dn)
2087 current_sd = ndr_unpack(security.descriptor,
2088 str(obj[attrname][0]))
2090 diff = get_diff_sds(well_known_sd, current_sd, security.dom_sid(self.samdb.get_domain_sid()))
2092 self.err_wrong_default_sd(dn, well_known_sd, current_sd, diff)
2097 if str(attrname).lower() == 'objectclass':
2098 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, obj[attrname])
2099 # Do not consider the attribute incorrect if:
2100 # - The sorted (alphabetically) list is the same, inclding case
2101 # - The first and last elements are the same
2103 # This avoids triggering an error due to
2104 # non-determinism in the sort routine in (at least)
2105 # 4.3 and earlier, and the fact that any AUX classes
2106 # in these attributes are also not sorted when
2107 # imported from Windows (they are just in the reverse
2108 # order of last set)
2109 if sorted(normalised) != sorted(obj[attrname]) \
2110 or normalised[0] != obj[attrname][0] \
2111 or normalised[-1] != obj[attrname][-1]:
2112 self.err_normalise_mismatch_replace(dn, attrname, list(obj[attrname]))
2116 if str(attrname).lower() == 'userparameters':
2117 if len(obj[attrname][0]) == 1 and obj[attrname][0][0] == '\x20':
2119 self.err_short_userParameters(obj, attrname, obj[attrname])
2122 elif obj[attrname][0][:16] == '\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00\x20\x00':
2123 # This is the correct, normal prefix
2126 elif obj[attrname][0][:20] == 'IAAgACAAIAAgACAAIAAg':
2127 # this is the typical prefix from a windows migration
2129 self.err_base64_userParameters(obj, attrname, obj[attrname])
2132 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':
2133 # This is a prefix that is not in UTF-16 format for the space or munged dialback prefix
2135 self.err_utf8_userParameters(obj, attrname, obj[attrname])
2138 elif len(obj[attrname][0]) % 2 != 0:
2139 # This is a value that isn't even in length
2141 self.err_odd_userParameters(obj, attrname, obj[attrname])
2144 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':
2145 # This is a prefix that would happen if a SAMR-written value was replicated from a Samba 4.1 server to a working server
2147 self.err_doubled_userParameters(obj, attrname, obj[attrname])
2150 if attrname.lower() == 'attributeid' or attrname.lower() == 'governsid':
2151 if obj[attrname][0] in self.attribute_or_class_ids:
2153 self.report('Error: %s %s on %s already exists as an attributeId or governsId'
2154 % (attrname, obj.dn, obj[attrname][0]))
2156 self.attribute_or_class_ids.add(obj[attrname][0])
2158 # check for empty attributes
2159 for val in obj[attrname]:
2161 self.err_empty_attribute(dn, attrname)
2165 # get the syntax oid for the attribute, so we can can have
2166 # special handling for some specific attribute types
2168 syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
2169 except Exception, msg:
2170 self.err_unknown_attribute(obj, attrname)
2174 linkID, reverse_link_name = self.get_attr_linkID_and_reverse_name(attrname)
2176 flag = self.samdb_schema.get_systemFlags_from_lDAPDisplayName(attrname)
2177 if (not flag & dsdb.DS_FLAG_ATTR_NOT_REPLICATED
2178 and not flag & dsdb.DS_FLAG_ATTR_IS_CONSTRUCTED
2180 set_attrs_seen.add(str(attrname).lower())
2182 if syntax_oid in [ dsdb.DSDB_SYNTAX_BINARY_DN, dsdb.DSDB_SYNTAX_OR_NAME,
2183 dsdb.DSDB_SYNTAX_STRING_DN, ldb.SYNTAX_DN ]:
2184 # it's some form of DN, do specialised checking on those
2185 error_count += self.check_dn(obj, attrname, syntax_oid)
2189 # check for incorrectly normalised attributes
2190 for val in obj[attrname]:
2191 values.add(str(val))
2193 normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, [val])
2194 if len(normalised) != 1 or normalised[0] != val:
2195 self.err_normalise_mismatch(dn, attrname, obj[attrname])
2199 if len(obj[attrname]) != len(values):
2200 self.err_duplicate_values(dn, attrname, obj[attrname], list(values))
2204 if str(attrname).lower() == "instancetype":
2205 calculated_instancetype = self.calculate_instancetype(dn)
2206 if len(obj["instanceType"]) != 1 or obj["instanceType"][0] != str(calculated_instancetype):
2208 self.err_wrong_instancetype(obj, calculated_instancetype)
2210 if not got_objectclass and ("*" in attrs or "objectclass" in map(str.lower, attrs)):
2212 self.err_missing_objectclass(dn)
2214 if ("*" in attrs or "name" in map(str.lower, attrs)):
2215 if name_val is None:
2217 self.report("ERROR: Not fixing missing 'name' on '%s'" % (str(obj.dn)))
2218 if object_rdn_attr is None:
2220 self.report("ERROR: Not fixing missing '%s' on '%s'" % (obj.dn.get_rdn_name(), str(obj.dn)))
2222 if name_val is not None:
2225 if not (systemFlags & samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE):
2226 parent_dn = deleted_objects_dn
2227 if parent_dn is None:
2228 parent_dn = obj.dn.parent()
2229 expected_dn = ldb.Dn(self.samdb, "RDN=RDN,%s" % (parent_dn))
2230 expected_dn.set_component(0, obj.dn.get_rdn_name(), name_val)
2232 if obj.dn == deleted_objects_dn:
2233 expected_dn = obj.dn
2235 if expected_dn != obj.dn:
2237 self.err_wrong_dn(obj, expected_dn, object_rdn_attr, object_rdn_val, name_val)
2238 elif obj.dn.get_rdn_value() != object_rdn_val:
2240 self.report("ERROR: Not fixing %s=%r on '%s'" % (object_rdn_attr, object_rdn_val, str(obj.dn)))
2243 if got_repl_property_meta_data:
2244 if obj.dn == deleted_objects_dn:
2245 isDeletedAttId = 131120
2246 # It's 29/12/9999 at 23:59:59 UTC as specified in MS-ADTS 7.1.1.4.2 Deleted Objects Container
2248 expectedTimeDo = 2650466015990000000
2249 originating = self.get_originating_time(obj["replPropertyMetaData"], isDeletedAttId)
2250 if originating != expectedTimeDo:
2251 if self.confirm_all("Fix isDeleted originating_change_time on '%s'" % str(dn), 'fix_time_metadata'):
2252 nmsg = ldb.Message()
2254 nmsg["isDeleted"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isDeleted")
2256 self.samdb.modify(nmsg, controls=["provision:0"])
2259 self.report("Not fixing isDeleted originating_change_time on '%s'" % str(dn))
2261 for att in set_attrs_seen.difference(set_attrs_from_md):
2263 self.report("On object %s" % dn)
2266 self.report("ERROR: Attribute %s not present in replication metadata" % att)
2267 if not self.confirm_all("Fix missing replPropertyMetaData element '%s'" % att, 'fix_all_metadata'):
2268 self.report("Not fixing missing replPropertyMetaData element '%s'" % att)
2270 self.fix_metadata(obj, att)
2272 if self.is_fsmo_role(dn):
2273 if "fSMORoleOwner" not in obj and ("*" in attrs or "fsmoroleowner" in map(str.lower, attrs)):
2274 self.err_no_fsmoRoleOwner(obj)
2278 if dn != self.samdb.get_root_basedn() and str(dn.parent()) not in self.dn_set:
2279 res = self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE,
2280 controls=["show_recycled:1", "show_deleted:1"])
2281 except ldb.LdbError, (enum, estr):
2282 if enum == ldb.ERR_NO_SUCH_OBJECT:
2283 self.err_missing_parent(obj)
2288 if dn in self.deleted_objects_containers and '*' in attrs:
2289 if self.is_deleted_deleted_objects(obj):
2290 self.err_deleted_deleted_objects(obj)
2293 for (dns_part, msg) in self.dns_partitions:
2294 if dn == dns_part and 'repsFrom' in obj:
2295 location = "msDS-NC-Replica-Locations"
2296 if self.samdb.am_rodc():
2297 location = "msDS-NC-RO-Replica-Locations"
2299 if location not in msg:
2300 # There are no replica locations!
2301 self.err_replica_locations(obj, msg.dn, location)
2306 for loc in msg[location]:
2307 if loc == self.samdb.get_dsServiceName():
2310 # This DC is not in the replica locations
2311 self.err_replica_locations(obj, msg.dn, location)
2314 if dn == self.server_ref_dn:
2315 # Check we have a valid RID Set
2316 if "*" in attrs or "rIDSetReferences" in attrs:
2317 if "rIDSetReferences" not in obj:
2318 # NO RID SET reference
2319 # We are RID master, allocate it.
2322 if self.is_rid_master:
2323 # Allocate a RID Set
2324 if self.confirm_all('Allocate the missing RID set for RID master?',
2325 'fix_missing_rid_set_master'):
2327 # We don't have auto-transaction logic on
2328 # extended operations, so we have to do it
2331 self.samdb.transaction_start()
2334 self.samdb.create_own_rid_set()
2337 self.samdb.transaction_cancel()
2340 self.samdb.transaction_commit()
2343 elif not self.samdb.am_rodc():
2344 self.report("No RID Set found for this server: %s, and we are not the RID Master (so can not self-allocate)" % dn)
2347 # Check some details of our own RID Set
2348 if dn == self.rid_set_dn:
2349 res = self.samdb.search(base=self.rid_set_dn, scope=ldb.SCOPE_BASE,
2350 attrs=["rIDAllocationPool",
2351 "rIDPreviousAllocationPool",
2354 if "rIDAllocationPool" not in res[0]:
2355 self.report("No rIDAllocationPool found in %s" % dn)
2358 next_pool = int(res[0]["rIDAllocationPool"][0])
2360 high = (0xFFFFFFFF00000000 & next_pool) >> 32
2361 low = 0x00000000FFFFFFFF & next_pool
2364 self.report("Invalid RID set %d-%s, %d > %d!" % (low, high, low, high))
2367 if "rIDNextRID" in res[0]:
2368 next_free_rid = int(res[0]["rIDNextRID"][0])
2372 if next_free_rid == 0:
2377 # Check the remainder of this pool for conflicts. If
2378 # ridalloc_allocate_rid() moves to a new pool, this
2379 # will be above high, so we will stop.
2380 while next_free_rid <= high:
2381 sid = "%s-%d" % (self.samdb.get_domain_sid(), next_free_rid)
2383 res = self.samdb.search(base="<SID=%s>" % sid, scope=ldb.SCOPE_BASE,
2385 except ldb.LdbError, (enum, estr):
2386 if enum != ldb.ERR_NO_SUCH_OBJECT:
2390 self.report("SID %s for %s conflicts with our current RID set in %s" % (sid, res[0].dn, dn))
2393 if self.confirm_all('Fix conflict between SID %s and RID pool in %s by allocating a new RID?'
2395 'fix_sid_rid_set_conflict'):
2396 self.samdb.transaction_start()
2398 # This will burn RIDs, which will move
2399 # past the conflict. We then check again
2400 # to see if the new RID conflicts, until
2401 # the end of the current pool. We don't
2402 # look at the next pool to avoid burning
2403 # all RIDs in one go in some strange
2407 allocated_rid = self.samdb.allocate_rid()
2408 if allocated_rid >= next_free_rid:
2409 next_free_rid = allocated_rid + 1
2412 self.samdb.transaction_cancel()
2415 self.samdb.transaction_commit()
2424 ################################################################
2425 # check special @ROOTDSE attributes
2426 def check_rootdse(self):
2427 '''check the @ROOTDSE special object'''
2428 dn = ldb.Dn(self.samdb, '@ROOTDSE')
2430 self.report("Checking object %s" % dn)
2431 res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE)
2433 self.report("Object %s disappeared during check" % dn)
2438 # check that the dsServiceName is in GUID form
2439 if not 'dsServiceName' in obj:
2440 self.report('ERROR: dsServiceName missing in @ROOTDSE')
2441 return error_count+1
2443 if not obj['dsServiceName'][0].startswith('<GUID='):
2444 self.report('ERROR: dsServiceName not in GUID form in @ROOTDSE')
2446 if not self.confirm('Change dsServiceName to GUID form?'):
2448 res = self.samdb.search(base=ldb.Dn(self.samdb, obj['dsServiceName'][0]),
2449 scope=ldb.SCOPE_BASE, attrs=['objectGUID'])
2450 guid_str = str(ndr_unpack(misc.GUID, res[0]['objectGUID'][0]))
2453 m['dsServiceName'] = ldb.MessageElement("<GUID=%s>" % guid_str,
2454 ldb.FLAG_MOD_REPLACE, 'dsServiceName')
2455 if self.do_modify(m, [], "Failed to change dsServiceName to GUID form", validate=False):
2456 self.report("Changed dsServiceName to GUID form")
2460 ###############################################
2461 # re-index the database
2462 def reindex_database(self):
2463 '''re-index the whole database'''
2465 m.dn = ldb.Dn(self.samdb, "@ATTRIBUTES")
2466 m['add'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_ADD, 'force_reindex')
2467 m['delete'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_DELETE, 'force_reindex')
2468 return self.do_modify(m, [], 're-indexed database', validate=False)
2470 ###############################################
2472 def reset_modules(self):
2473 '''reset @MODULES to that needed for current sam.ldb (to read a very old database)'''
2475 m.dn = ldb.Dn(self.samdb, "@MODULES")
2476 m['@LIST'] = ldb.MessageElement('samba_dsdb', ldb.FLAG_MOD_REPLACE, '@LIST')
2477 return self.do_modify(m, [], 'reset @MODULES on database', validate=False)