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
, b64encode
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
.samdb
import dsdb_Dn
31 from samba
.dcerpc
import security
32 from samba
.descriptor
import (
34 get_deletedobjects_descriptor
,
37 from samba
.auth
import system_session
, admin_session
38 from samba
.netcmd
import CommandError
39 from samba
.netcmd
.fsmo
import get_fsmo_roleowner
40 from samba
.colour
import c_RED
, c_DARK_YELLOW
, c_DARK_CYAN
, c_DARK_GREEN
42 def dump_attr_values(vals
):
43 """Stringify a value list, using utf-8 if possible (which some tests
44 want), or the python bytes representation otherwise (with leading
45 'b' and escapes like b'\x00').
50 result
.append(value
.decode('utf-8'))
51 except UnicodeDecodeError:
52 result
.append(repr(value
))
53 return ','.join(result
)
56 class dbcheck(object):
57 """check a SAM database for errors"""
61 def __init__(self
, samdb
, samdb_schema
=None, verbose
=False, fix
=False,
62 yes
=False, quiet
=False, in_transaction
=False,
63 quick_membership_checks
=False,
64 reset_well_known_acls
=False,
65 check_expired_tombstones
=False,
68 self
.dict_oid_name
= None
69 self
.samdb_schema
= (samdb_schema
or samdb
)
70 self
.verbose
= verbose
75 self
.remove_all_unknown_attributes
= False
76 self
.remove_all_empty_attributes
= False
77 self
.fix_all_normalisation
= False
78 self
.fix_all_duplicates
= False
79 self
.fix_all_DN_GUIDs
= False
80 self
.fix_all_binary_dn
= False
81 self
.remove_implausible_deleted_DN_links
= False
82 self
.remove_plausible_deleted_DN_links
= False
83 self
.fix_all_string_dn_component_mismatch
= False
84 self
.fix_all_GUID_dn_component_mismatch
= False
85 self
.fix_all_SID_dn_component_mismatch
= False
86 self
.fix_all_SID_dn_component_missing
= False
87 self
.fix_all_old_dn_string_component_mismatch
= False
88 self
.fix_all_metadata
= False
89 self
.fix_time_metadata
= False
90 self
.fix_undead_linked_attributes
= False
91 self
.fix_all_missing_backlinks
= False
92 self
.fix_all_orphaned_backlinks
= False
93 self
.fix_all_missing_forward_links
= False
94 self
.duplicate_link_cache
= dict()
95 self
.recover_all_forward_links
= False
96 self
.fix_rmd_flags
= False
97 self
.fix_ntsecuritydescriptor
= False
98 self
.fix_ntsecuritydescriptor_owner_group
= False
99 self
.seize_fsmo_role
= False
100 self
.move_to_lost_and_found
= False
101 self
.fix_instancetype
= False
102 self
.fix_replmetadata_zero_invocationid
= False
103 self
.fix_replmetadata_duplicate_attid
= False
104 self
.fix_replmetadata_wrong_attid
= False
105 self
.fix_replmetadata_unsorted_attid
= False
106 self
.fix_deleted_deleted_objects
= False
108 self
.fix_base64_userparameters
= False
109 self
.fix_utf8_userparameters
= False
110 self
.fix_doubled_userparameters
= False
111 self
.fix_sid_rid_set_conflict
= False
112 self
.quick_membership_checks
= quick_membership_checks
113 self
.reset_well_known_acls
= reset_well_known_acls
114 self
.check_expired_tombstones
= check_expired_tombstones
115 self
.expired_tombstones
= 0
116 self
.reset_all_well_known_acls
= False
117 self
.in_transaction
= in_transaction
118 self
.infrastructure_dn
= ldb
.Dn(samdb
, "CN=Infrastructure," + samdb
.domain_dn())
119 self
.naming_dn
= ldb
.Dn(samdb
, "CN=Partitions,%s" % samdb
.get_config_basedn())
120 self
.schema_dn
= samdb
.get_schema_basedn()
121 self
.rid_dn
= ldb
.Dn(samdb
, "CN=RID Manager$,CN=System," + samdb
.domain_dn())
122 self
.ntds_dsa
= ldb
.Dn(samdb
, samdb
.get_dsServiceName())
123 self
.class_schemaIDGUID
= {}
124 self
.wellknown_sds
= get_wellknown_sds(self
.samdb
)
125 self
.fix_all_missing_objectclass
= False
126 self
.fix_missing_deleted_objects
= False
127 self
.fix_replica_locations
= False
128 self
.fix_missing_rid_set_master
= False
129 self
.fix_changes_after_deletion_bug
= False
132 self
.link_id_cache
= {}
135 base_dn
= "CN=DnsAdmins,%s" % self
.get_wellknown_dn_cached(
136 samdb
.get_default_basedn(),
137 dsdb
.DS_GUID_USERS_CONTAINER
)
138 res
= samdb
.search(base
=base_dn
, scope
=ldb
.SCOPE_BASE
,
140 dnsadmins_sid
= ndr_unpack(security
.dom_sid
, res
[0]["objectSid"][0])
141 self
.name_map
['DnsAdmins'] = str(dnsadmins_sid
)
142 except ldb
.LdbError
as e5
:
143 (enum
, estr
) = e5
.args
144 if enum
!= ldb
.ERR_NO_SUCH_OBJECT
:
147 self
.system_session_info
= system_session()
148 self
.admin_session_info
= admin_session(None, samdb
.get_domain_sid())
150 res
= self
.samdb
.search(base
=self
.ntds_dsa
, scope
=ldb
.SCOPE_BASE
, attrs
=['msDS-hasMasterNCs', 'hasMasterNCs'])
151 if "msDS-hasMasterNCs" in res
[0]:
152 self
.write_ncs
= res
[0]["msDS-hasMasterNCs"]
154 # If the Forest Level is less than 2003 then there is no
155 # msDS-hasMasterNCs, so we fall back to hasMasterNCs
156 # no need to merge as all the NCs that are in hasMasterNCs must
157 # also be in msDS-hasMasterNCs (but not the opposite)
158 if "hasMasterNCs" in res
[0]:
159 self
.write_ncs
= res
[0]["hasMasterNCs"]
161 self
.write_ncs
= None
163 res
= self
.samdb
.search(base
="", scope
=ldb
.SCOPE_BASE
, attrs
=['namingContexts'])
164 self
.deleted_objects_containers
= []
165 self
.ncs_lacking_deleted_containers
= []
166 self
.dns_partitions
= []
168 self
.ncs
= res
[0]["namingContexts"]
176 dn
= self
.get_wellknown_dn_cached(ldb
.Dn(self
.samdb
, nc
.decode('utf8')),
177 dsdb
.DS_GUID_DELETED_OBJECTS_CONTAINER
)
178 self
.deleted_objects_containers
.append(dn
)
180 self
.ncs_lacking_deleted_containers
.append(ldb
.Dn(self
.samdb
, nc
.decode('utf8')))
182 domaindns_zone
= 'DC=DomainDnsZones,%s' % self
.samdb
.get_default_basedn()
183 forestdns_zone
= 'DC=ForestDnsZones,%s' % self
.samdb
.get_root_basedn()
184 domain
= self
.samdb
.search(scope
=ldb
.SCOPE_ONELEVEL
,
185 attrs
=["msDS-NC-Replica-Locations", "msDS-NC-RO-Replica-Locations"],
186 base
=self
.samdb
.get_partitions_dn(),
187 expression
="(&(objectClass=crossRef)(ncName=%s))" % domaindns_zone
)
189 self
.dns_partitions
.append((ldb
.Dn(self
.samdb
, forestdns_zone
), domain
[0]))
191 forest
= self
.samdb
.search(scope
=ldb
.SCOPE_ONELEVEL
,
192 attrs
=["msDS-NC-Replica-Locations", "msDS-NC-RO-Replica-Locations"],
193 base
=self
.samdb
.get_partitions_dn(),
194 expression
="(&(objectClass=crossRef)(ncName=%s))" % forestdns_zone
)
196 self
.dns_partitions
.append((ldb
.Dn(self
.samdb
, domaindns_zone
), forest
[0]))
198 fsmo_dn
= ldb
.Dn(self
.samdb
, "CN=RID Manager$,CN=System," + self
.samdb
.domain_dn())
199 rid_master
= get_fsmo_roleowner(self
.samdb
, fsmo_dn
, "rid")
200 if ldb
.Dn(self
.samdb
, self
.samdb
.get_dsServiceName()) == rid_master
:
201 self
.is_rid_master
= True
203 self
.is_rid_master
= False
205 # To get your rid set
207 res
= self
.samdb
.search(base
=ldb
.Dn(self
.samdb
, self
.samdb
.get_serverName()),
208 scope
=ldb
.SCOPE_BASE
, attrs
=["serverReference"])
209 # 2. Get server reference
210 self
.server_ref_dn
= ldb
.Dn(self
.samdb
, res
[0]['serverReference'][0].decode('utf8'))
213 res
= self
.samdb
.search(base
=self
.server_ref_dn
,
214 scope
=ldb
.SCOPE_BASE
, attrs
=['rIDSetReferences'])
215 if "rIDSetReferences" in res
[0]:
216 self
.rid_set_dn
= ldb
.Dn(self
.samdb
, res
[0]['rIDSetReferences'][0].decode('utf8'))
218 self
.rid_set_dn
= None
220 ntds_service_dn
= "CN=Directory Service,CN=Windows NT,CN=Services,%s" % \
221 self
.samdb
.get_config_basedn().get_linearized()
222 res
= samdb
.search(base
=ntds_service_dn
,
223 scope
=ldb
.SCOPE_BASE
,
224 expression
="(objectClass=nTDSService)",
225 attrs
=["tombstoneLifetime"])
226 if "tombstoneLifetime" in res
[0]:
227 self
.tombstoneLifetime
= int(res
[0]["tombstoneLifetime"][0])
229 self
.tombstoneLifetime
= 180
231 self
.compatibleFeatures
= []
232 self
.requiredFeatures
= []
235 res
= self
.samdb
.search(scope
=ldb
.SCOPE_BASE
,
237 attrs
=["compatibleFeatures",
239 if "compatibleFeatures" in res
[0]:
240 self
.compatibleFeatures
= res
[0]["compatibleFeatures"]
241 if "requiredFeatures" in res
[0]:
242 self
.requiredFeatures
= res
[0]["requiredFeatures"]
243 except ldb
.LdbError
as e6
:
244 (enum
, estr
) = e6
.args
245 if enum
!= ldb
.ERR_NO_SUCH_OBJECT
:
248 def get_wellknown_dn_cached(self
, nc_root
, wkguid
):
249 h_nc
= self
.hash_well_known
.get(str(nc_root
))
252 dn
= h_nc
.get(wkguid
)
254 dn
= self
.samdb
.get_wellknown_dn(nc_root
, wkguid
)
258 self
.hash_well_known
[str(nc_root
)] = {}
259 h_nc
= self
.hash_well_known
[str(nc_root
)]
263 def check_database(self
, DN
=None, scope
=ldb
.SCOPE_SUBTREE
, controls
=None,
265 """perform a database check, returning the number of errors found"""
266 res
= self
.samdb
.search(base
=DN
, scope
=scope
, attrs
=['dn'], controls
=controls
)
267 self
.report('Checking %u objects' % len(res
))
269 self
.unfixable_errors
= 0
271 error_count
+= self
.check_deleted_objects_containers()
273 self
.attribute_or_class_ids
= set()
276 self
.dn_set
.add(str(object.dn
))
277 error_count
+= self
.check_object(object.dn
, requested_attrs
=attrs
)
280 error_count
+= self
.check_rootdse()
282 if self
.expired_tombstones
> 0:
283 self
.report("NOTICE: found %d expired tombstones, "
284 "'samba' will remove them daily, "
285 "'samba-tool domain tombstones expunge' "
286 "would do that immediately." % (
287 self
.expired_tombstones
))
289 self
.report('Checked %u objects (%u errors)' %
290 (len(res
), error_count
+ self
.unfixable_errors
))
292 if self
.unfixable_errors
!= 0:
293 self
.report(f
"WARNING: {self.unfixable_errors} "
294 "of these errors cannot be automatically fixed.")
296 if error_count
!= 0 and not self
.fix
:
297 self
.report("Please use 'samba-tool dbcheck --fix' to fix "
298 f
"{error_count} errors")
302 def check_deleted_objects_containers(self
):
303 """This function only fixes conflicts on the Deleted Objects
304 containers, not the attributes"""
306 for nc
in self
.ncs_lacking_deleted_containers
:
307 if nc
== self
.schema_dn
:
310 self
.report("ERROR: NC %s lacks a reference to a Deleted Objects container" % nc
)
311 if not self
.confirm_all('Fix missing Deleted Objects container for %s?' % (nc
), 'fix_missing_deleted_objects'):
314 dn
= ldb
.Dn(self
.samdb
, "CN=Deleted Objects")
319 # If something already exists here, add a conflict
320 res
= self
.samdb
.search(base
=dn
, scope
=ldb
.SCOPE_BASE
, attrs
=[],
321 controls
=["show_deleted:1", "extended_dn:1:1",
322 "show_recycled:1", "reveal_internals:0"])
324 guid
= res
[0].dn
.get_extended_component("GUID")
325 conflict_dn
= ldb
.Dn(self
.samdb
,
326 "CN=Deleted Objects\\0ACNF:%s" % str(misc
.GUID(guid
)))
327 conflict_dn
.add_base(nc
)
329 except ldb
.LdbError
as e2
:
330 (enum
, estr
) = e2
.args
331 if enum
== ldb
.ERR_NO_SUCH_OBJECT
:
334 self
.report("Couldn't check for conflicting Deleted Objects container: %s" % estr
)
337 if conflict_dn
is not None:
339 self
.samdb
.rename(dn
, conflict_dn
, ["show_deleted:1", "relax:0", "show_recycled:1"])
340 except ldb
.LdbError
as e1
:
341 (enum
, estr
) = e1
.args
342 self
.report("Couldn't move old Deleted Objects placeholder: %s to %s: %s" % (dn
, conflict_dn
, estr
))
345 # Refresh wellKnownObjects links
346 res
= self
.samdb
.search(base
=nc
, scope
=ldb
.SCOPE_BASE
,
347 attrs
=['wellKnownObjects'],
348 controls
=["show_deleted:1", "extended_dn:0",
349 "show_recycled:1", "reveal_internals:0"])
351 self
.report("wellKnownObjects was not found for NC %s" % nc
)
354 # Prevent duplicate deleted objects containers just in case
355 wko
= res
[0]["wellKnownObjects"]
357 proposed_objectguid
= None
359 dsdb_dn
= dsdb_Dn(self
.samdb
, o
.decode('utf8'), dsdb
.DSDB_SYNTAX_BINARY_DN
)
360 if self
.is_deleted_objects_dn(dsdb_dn
):
361 self
.report("wellKnownObjects had duplicate Deleted Objects value %s" % o
)
362 # We really want to put this back in the same spot
363 # as the original one, so that on replication we
364 # merge, rather than conflict.
365 proposed_objectguid
= dsdb_dn
.dn
.get_extended_component("GUID")
366 listwko
.append(str(o
))
368 if proposed_objectguid
is not None:
369 guid_suffix
= "\nobjectGUID: %s" % str(misc
.GUID(proposed_objectguid
))
371 wko_prefix
= "B:32:%s" % dsdb
.DS_GUID_DELETED_OBJECTS_CONTAINER
372 listwko
.append('%s:%s' % (wko_prefix
, dn
))
376 domain_sid
= security
.dom_sid(self
.samdb
.get_domain_sid())
377 sec_desc
= get_deletedobjects_descriptor(domain_sid
,
378 name_map
=self
.name_map
)
379 sec_desc_b64
= b64encode(sec_desc
).decode('utf8')
381 # Insert a brand new Deleted Objects container
382 self
.samdb
.add_ldif("""dn: %s
384 objectClass: container
385 description: Container for deleted objects
387 isCriticalSystemObject: TRUE
388 showInAdvancedViewOnly: TRUE
389 nTSecurityDescriptor:: %s
390 systemFlags: -1946157056%s""" % (dn
, sec_desc_b64
, guid_suffix
),
391 controls
=["relax:0", "provision:0"])
393 delta
= ldb
.Message()
394 delta
.dn
= ldb
.Dn(self
.samdb
, str(res
[0]["dn"]))
395 delta
["wellKnownObjects"] = ldb
.MessageElement(listwko
,
396 ldb
.FLAG_MOD_REPLACE
,
399 # Insert the link to the brand new container
400 if self
.do_modify(delta
, ["relax:0"],
401 "NC %s lacks Deleted Objects WKGUID" % nc
,
403 self
.report("Added %s well known guid link" % dn
)
405 self
.deleted_objects_containers
.append(dn
)
409 def report(self
, msg
):
410 """print a message unless quiet is set"""
414 if msg
.startswith('ERROR'):
415 msg
= c_RED('ERROR') + msg
[5:]
416 elif msg
.startswith('WARNING'):
417 msg
= c_DARK_YELLOW('WARNING') + msg
[7:]
418 elif msg
.startswith('INFO'):
419 msg
= c_DARK_CYAN('INFO') + msg
[4:]
420 elif msg
.startswith('NOTICE'):
421 msg
= c_DARK_CYAN('NOTICE') + msg
[6:]
422 elif msg
.startswith('NOTE'):
423 msg
= c_DARK_CYAN('NOTE') + msg
[4:]
424 elif msg
.startswith('SKIPPING'):
425 msg
= c_DARK_GREEN('SKIPPING') + msg
[8:]
429 def confirm(self
, msg
, allow_all
=False, forced
=False):
430 """confirm a change"""
437 return common
.confirm(msg
, forced
=forced
, allow_all
=allow_all
)
439 ################################################################
440 # a local confirm function with support for 'all'
441 def confirm_all(self
, msg
, all_attr
):
442 """confirm a change with support for "all" """
445 if getattr(self
, all_attr
) == 'NONE':
447 if getattr(self
, all_attr
) == 'ALL':
453 c
= common
.confirm(msg
, forced
=forced
, allow_all
=True)
455 setattr(self
, all_attr
, 'ALL')
458 setattr(self
, all_attr
, 'NONE')
462 def do_delete(self
, dn
, controls
, msg
):
463 """delete dn with optional verbose output"""
465 self
.report("delete DN %s" % dn
)
467 controls
= controls
+ ["local_oid:%s:0" % dsdb
.DSDB_CONTROL_DBCHECK
]
468 self
.samdb
.delete(dn
, controls
=controls
)
469 except Exception as err
:
470 if self
.in_transaction
:
471 raise CommandError("%s : %s" % (msg
, err
))
472 self
.report("%s : %s" % (msg
, err
))
476 def do_modify(self
, m
, controls
, msg
, validate
=True):
477 """perform a modify with optional verbose output"""
478 controls
= controls
+ ["local_oid:%s:0" % dsdb
.DSDB_CONTROL_DBCHECK
]
480 self
.report(self
.samdb
.write_ldif(m
, ldb
.CHANGETYPE_MODIFY
))
481 self
.report("controls: %r" % controls
)
483 self
.samdb
.modify(m
, controls
=controls
, validate
=validate
)
484 except Exception as err
:
485 if self
.in_transaction
:
486 raise CommandError("%s : %s" % (msg
, err
))
487 self
.report("%s : %s" % (msg
, err
))
491 def do_rename(self
, from_dn
, to_rdn
, to_base
, controls
, msg
):
492 """perform a rename with optional verbose output"""
494 self
.report("""dn: %s
498 newSuperior: %s""" % (str(from_dn
), str(to_rdn
), str(to_base
)))
500 to_dn
= to_rdn
+ to_base
501 controls
= controls
+ ["local_oid:%s:0" % dsdb
.DSDB_CONTROL_DBCHECK
]
502 self
.samdb
.rename(from_dn
, to_dn
, controls
=controls
)
503 except Exception as err
:
504 if self
.in_transaction
:
505 raise CommandError("%s : %s" % (msg
, err
))
506 self
.report("%s : %s" % (msg
, err
))
510 def get_attr_linkID_and_reverse_name(self
, attrname
):
511 if attrname
in self
.link_id_cache
:
512 return self
.link_id_cache
[attrname
]
513 linkID
= self
.samdb_schema
.get_linkId_from_lDAPDisplayName(attrname
)
515 revname
= self
.samdb_schema
.get_backlink_from_lDAPDisplayName(attrname
)
518 self
.link_id_cache
[attrname
] = (linkID
, revname
)
519 return linkID
, revname
521 def err_empty_attribute(self
, dn
, attrname
):
522 """fix empty attributes"""
523 self
.report("ERROR: Empty attribute %s in %s" % (attrname
, dn
))
524 if not self
.confirm_all('Remove empty attribute %s from %s?' % (attrname
, dn
), 'remove_all_empty_attributes'):
525 self
.report("Not fixing empty attribute %s" % attrname
)
530 m
[attrname
] = ldb
.MessageElement('', ldb
.FLAG_MOD_DELETE
, attrname
)
531 if self
.do_modify(m
, ["relax:0", "show_recycled:1"],
532 "Failed to remove empty attribute %s" % attrname
, validate
=False):
533 self
.report("Removed empty attribute %s" % attrname
)
535 def err_normalise_mismatch(self
, dn
, attrname
, values
):
536 """fix attribute normalisation errors, without altering sort order"""
537 self
.report("ERROR: Normalisation error for attribute %s in %s" % (attrname
, dn
))
540 normalised
= self
.samdb
.dsdb_normalise_attributes(
541 self
.samdb_schema
, attrname
, [val
])
542 if len(normalised
) != 1:
543 self
.report("Unable to normalise value '%s'" % val
)
544 mod_list
.append((val
, ''))
545 elif (normalised
[0] != val
):
546 self
.report("value '%s' should be '%s'" % (val
, normalised
[0]))
547 mod_list
.append((val
, normalised
[0]))
548 if not self
.confirm_all('Fix normalisation for %s from %s?' % (attrname
, dn
), 'fix_all_normalisation'):
549 self
.report("Not fixing attribute %s" % attrname
)
554 for i
in range(0, len(mod_list
)):
555 (val
, nval
) = mod_list
[i
]
556 m
['value_%u' % i
] = ldb
.MessageElement(val
, ldb
.FLAG_MOD_DELETE
, attrname
)
558 m
['normv_%u' % i
] = ldb
.MessageElement(nval
, ldb
.FLAG_MOD_ADD
,
561 if self
.do_modify(m
, ["relax:0", "show_recycled:1"],
562 "Failed to normalise attribute %s" % attrname
,
564 self
.report("Normalised attribute %s" % attrname
)
566 def err_normalise_mismatch_replace(self
, dn
, attrname
, values
):
567 """fix attribute normalisation and/or sort errors"""
568 normalised
= self
.samdb
.dsdb_normalise_attributes(self
.samdb_schema
, attrname
, values
)
569 if list(normalised
) == values
:
570 # how we got here is a mystery.
572 self
.report("ERROR: Normalisation error for attribute '%s' in '%s'" % (attrname
, dn
))
573 self
.report("Values/Order of values do/does not match: %s/%s!" % (values
, list(normalised
)))
574 if not self
.confirm_all("Fix normalisation for '%s' from '%s'?" % (attrname
, dn
), 'fix_all_normalisation'):
575 self
.report("Not fixing attribute '%s'" % attrname
)
580 m
[attrname
] = ldb
.MessageElement(normalised
, ldb
.FLAG_MOD_REPLACE
, attrname
)
582 if self
.do_modify(m
, ["relax:0", "show_recycled:1"],
583 "Failed to normalise attribute %s" % attrname
,
585 self
.report("Normalised attribute %s" % attrname
)
587 def err_duplicate_values(self
, dn
, attrname
, dup_values
, values
):
588 """fix duplicate attribute values"""
589 self
.report("ERROR: Duplicate values for attribute '%s' in '%s'" % (attrname
, dn
))
590 self
.report("Values contain a duplicate: [%s]/[%s]!" %
591 (dump_attr_values(dup_values
), dump_attr_values(values
)))
592 if not self
.confirm_all("Fix duplicates for '%s' from '%s'?" % (attrname
, dn
), 'fix_all_duplicates'):
593 self
.report("Not fixing attribute '%s'" % attrname
)
598 m
[attrname
] = ldb
.MessageElement(values
, ldb
.FLAG_MOD_REPLACE
, attrname
)
600 if self
.do_modify(m
, ["relax:0", "show_recycled:1"],
601 "Failed to remove duplicate value on attribute %s" % attrname
,
603 self
.report("Removed duplicate value on attribute %s" % attrname
)
605 def is_deleted_objects_dn(self
, dsdb_dn
):
606 """see if a dsdb_Dn is the special Deleted Objects DN"""
607 return dsdb_dn
.prefix
== "B:32:%s:" % dsdb
.DS_GUID_DELETED_OBJECTS_CONTAINER
609 def err_missing_objectclass(self
, dn
):
610 """handle object without objectclass"""
611 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
)))
612 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'):
613 self
.report("Not deleting object with missing objectclass '%s'" % dn
)
615 if self
.do_delete(dn
, ["relax:0"],
616 "Failed to remove DN %s" % dn
):
617 self
.report("Removed DN %s" % dn
)
619 def err_deleted_dn(self
, dn
, attrname
, val
, dsdb_dn
, correct_dn
, remove_plausible
=False):
620 """handle a DN pointing to a deleted object"""
621 if not remove_plausible
:
622 self
.report("ERROR: target DN is deleted for %s in object %s - %s" % (attrname
, dn
, val
))
623 self
.report("Target GUID points at deleted DN %r" % str(correct_dn
))
624 if not self
.confirm_all('Remove DN link?', 'remove_implausible_deleted_DN_links'):
625 self
.report("Not removing")
628 self
.report("WARNING: target DN is deleted for %s in object %s - %s" % (attrname
, dn
, val
))
629 self
.report("Target GUID points at deleted DN %r" % str(correct_dn
))
630 if not self
.confirm_all('Remove stale DN link?', 'remove_plausible_deleted_DN_links'):
631 self
.report("Not removing")
636 m
['old_value'] = ldb
.MessageElement(val
, ldb
.FLAG_MOD_DELETE
, attrname
)
637 if self
.do_modify(m
, ["show_recycled:1",
638 "local_oid:%s:0" % dsdb
.DSDB_CONTROL_REPLMD_VANISH_LINKS
],
639 "Failed to remove deleted DN attribute %s" % attrname
):
640 self
.report("Removed deleted DN on attribute %s" % attrname
)
642 def err_missing_target_dn_or_GUID(self
, dn
, attrname
, val
, dsdb_dn
):
643 """handle a missing target DN (if specified, GUID form can't be found,
644 and otherwise DN string form can't be found)"""
646 # Don't change anything if the object itself is deleted
647 if str(dn
).find('\\0ADEL') != -1:
648 # We don't bump the error count as Samba produces these
649 # in normal operation
650 self
.report("WARNING: no target object found for GUID "
651 "component link %s in deleted object "
652 "%s - %s" % (attrname
, dn
, val
))
653 self
.report("Not removing dangling one-way "
654 "link on deleted object "
655 "(tombstone garbage collection in progress?)")
658 # check if its a backlink
659 linkID
, _
= self
.get_attr_linkID_and_reverse_name(attrname
)
660 if (linkID
& 1 == 0) and str(dsdb_dn
).find('\\0ADEL') == -1:
662 linkID
, reverse_link_name \
663 = self
.get_attr_linkID_and_reverse_name(attrname
)
664 if reverse_link_name
is not None:
665 self
.report("WARNING: no target object found for GUID "
666 "component for one-way forward link "
668 "%s - %s" % (attrname
, dn
, val
))
669 self
.report("Not removing dangling forward link")
672 nc_root
= self
.samdb
.get_nc_root(dn
)
674 target_nc_root
= self
.samdb
.get_nc_root(dsdb_dn
.dn
)
675 except ldb
.LdbError
as e
:
676 (enum
, estr
) = e
.args
677 if enum
!= ldb
.ERR_NO_SUCH_OBJECT
:
679 target_nc_root
= None
681 if target_nc_root
is None:
682 # We don't bump the error count as Samba produces
683 # these in normal operation creating a lab domain (due
684 # to the way the rename is handled, links to
685 # now-expunged objects will never be fixed to stay
687 self
.report("WARNING: no target object found for GUID "
688 "component for link "
689 "%s in object to %s outside our NCs"
690 "%s - %s" % (attrname
, dsdb_dn
.dn
, dn
, val
))
691 self
.report("Not removing dangling one-way "
692 "left-over link outside our NCs "
693 "(we might be building a renamed/lab domain)")
696 if nc_root
!= target_nc_root
:
697 # We don't bump the error count as Samba produces these
698 # in normal operation
699 self
.report("WARNING: no target object found for GUID "
700 "component for cross-partition link "
702 "%s - %s" % (attrname
, dn
, val
))
703 self
.report("Not removing dangling one-way "
704 "cross-partition link "
705 "(we might be mid-replication)")
708 # Due to our link handling one-way links pointing to
709 # missing objects are plausible.
711 # We don't bump the error count as Samba produces these
712 # in normal operation
713 self
.report("WARNING: no target object found for GUID "
714 "component for DN value %s in object "
715 "%s - %s" % (attrname
, dn
, val
))
716 self
.err_deleted_dn(dn
, attrname
, val
,
717 dsdb_dn
, dsdb_dn
, True)
720 # We bump the error count here, as we should have deleted this
721 self
.report("ERROR: no target object found for GUID "
722 "component for link %s in object "
723 "%s - %s" % (attrname
, dn
, val
))
724 self
.err_deleted_dn(dn
, attrname
, val
, dsdb_dn
, dsdb_dn
, False)
727 def err_missing_dn_GUID_component(self
, dn
, attrname
, val
, dsdb_dn
, errstr
):
728 """handle a missing GUID extended DN component"""
729 self
.report("ERROR: %s component for %s in object %s - %s" % (errstr
, attrname
, dn
, val
))
730 controls
= ["extended_dn:1:1", "show_recycled:1"]
732 res
= self
.samdb
.search(base
=str(dsdb_dn
.dn
), scope
=ldb
.SCOPE_BASE
,
733 attrs
=[], controls
=controls
)
734 except ldb
.LdbError
as e7
:
735 (enum
, estr
) = e7
.args
736 self
.report("unable to find object for DN %s - (%s)" % (dsdb_dn
.dn
, estr
))
737 if enum
!= ldb
.ERR_NO_SUCH_OBJECT
:
739 self
.err_missing_target_dn_or_GUID(dn
, attrname
, val
, dsdb_dn
)
742 self
.report("unable to find object for DN %s" % dsdb_dn
.dn
)
743 self
.err_missing_target_dn_or_GUID(dn
, attrname
, val
, dsdb_dn
)
745 dsdb_dn
.dn
= res
[0].dn
747 if not self
.confirm_all('Change DN to %s?' % str(dsdb_dn
), 'fix_all_DN_GUIDs'):
748 self
.report("Not fixing %s" % errstr
)
752 m
['old_value'] = ldb
.MessageElement(val
, ldb
.FLAG_MOD_DELETE
, attrname
)
753 m
['new_value'] = ldb
.MessageElement(str(dsdb_dn
), ldb
.FLAG_MOD_ADD
, attrname
)
755 if self
.do_modify(m
, ["show_recycled:1"],
756 "Failed to fix %s on attribute %s" % (errstr
, attrname
)):
757 self
.report("Fixed %s on attribute %s" % (errstr
, attrname
))
759 def err_incorrect_binary_dn(self
, dn
, attrname
, val
, dsdb_dn
, errstr
):
760 """handle an incorrect binary DN component"""
761 self
.report("ERROR: %s binary component for %s in object %s - %s" % (errstr
, attrname
, dn
, val
))
763 if not self
.confirm_all('Change DN to %s?' % str(dsdb_dn
), 'fix_all_binary_dn'):
764 self
.report("Not fixing %s" % errstr
)
768 m
['old_value'] = ldb
.MessageElement(val
, ldb
.FLAG_MOD_DELETE
, attrname
)
769 m
['new_value'] = ldb
.MessageElement(str(dsdb_dn
), ldb
.FLAG_MOD_ADD
, attrname
)
771 if self
.do_modify(m
, ["show_recycled:1"],
772 "Failed to fix %s on attribute %s" % (errstr
, attrname
)):
773 self
.report("Fixed %s on attribute %s" % (errstr
, attrname
))
775 def err_dn_string_component_old(self
, dn
, attrname
, val
, dsdb_dn
, correct_dn
):
776 """handle a DN string being incorrect due to a rename or delete"""
777 self
.report("NOTE: old (due to rename or delete) DN string component for %s in object %s - %s" % (attrname
, dn
, val
))
778 dsdb_dn
.dn
= correct_dn
780 if not self
.confirm_all('Change DN to %s?' % str(dsdb_dn
),
781 'fix_all_old_dn_string_component_mismatch'):
782 self
.report("Not fixing old string component")
786 m
['old_value'] = ldb
.MessageElement(val
, ldb
.FLAG_MOD_DELETE
, attrname
)
787 m
['new_value'] = ldb
.MessageElement(str(dsdb_dn
), ldb
.FLAG_MOD_ADD
, attrname
)
788 if self
.do_modify(m
, ["show_recycled:1",
789 "local_oid:%s:1" % dsdb
.DSDB_CONTROL_DBCHECK_FIX_LINK_DN_NAME
],
790 "Failed to fix old DN string on attribute %s" % (attrname
)):
791 self
.report("Fixed old DN string on attribute %s" % (attrname
))
793 def err_dn_component_target_mismatch(self
, dn
, attrname
, val
, dsdb_dn
, correct_dn
, mismatch_type
):
794 """handle a DN string being incorrect"""
795 self
.report("ERROR: incorrect DN %s component for %s in object %s - %s" % (mismatch_type
, attrname
, dn
, val
))
796 dsdb_dn
.dn
= correct_dn
798 if not self
.confirm_all('Change DN to %s?' % str(dsdb_dn
),
799 'fix_all_%s_dn_component_mismatch' % mismatch_type
):
800 self
.report("Not fixing %s component mismatch" % mismatch_type
)
804 m
['old_value'] = ldb
.MessageElement(val
, ldb
.FLAG_MOD_DELETE
, attrname
)
805 m
['new_value'] = ldb
.MessageElement(str(dsdb_dn
), ldb
.FLAG_MOD_ADD
, attrname
)
806 if self
.do_modify(m
, ["show_recycled:1"],
807 "Failed to fix incorrect DN %s on attribute %s" % (mismatch_type
, attrname
)):
808 self
.report("Fixed incorrect DN %s on attribute %s" % (mismatch_type
, attrname
))
810 def err_dn_component_missing_target_sid(self
, dn
, attrname
, val
, dsdb_dn
, target_sid_blob
):
811 """fix missing <SID=...> on linked attributes"""
812 self
.report("ERROR: missing DN SID component for %s in object %s - %s" % (attrname
, dn
, val
))
814 if len(dsdb_dn
.prefix
) != 0:
815 self
.report("Not fixing missing DN SID on DN+BINARY or DN+STRING")
818 correct_dn
= ldb
.Dn(self
.samdb
, dsdb_dn
.dn
.extended_str())
819 correct_dn
.set_extended_component("SID", target_sid_blob
)
821 if not self
.confirm_all('Change DN to %s?' % correct_dn
.extended_str(),
822 'fix_all_SID_dn_component_missing'):
823 self
.report("Not fixing missing DN SID component")
826 target_guid_blob
= correct_dn
.get_extended_component("GUID")
827 guid_sid_dn
= ldb
.Dn(self
.samdb
, "")
828 guid_sid_dn
.set_extended_component("GUID", target_guid_blob
)
829 guid_sid_dn
.set_extended_component("SID", target_sid_blob
)
833 m
['new_value'] = ldb
.MessageElement(guid_sid_dn
.extended_str(), ldb
.FLAG_MOD_ADD
, attrname
)
836 "local_oid:%s:1" % dsdb
.DSDB_CONTROL_DBCHECK_FIX_LINK_DN_SID
838 if self
.do_modify(m
, controls
,
839 "Failed to ADD missing DN SID on attribute %s" % (attrname
)):
840 self
.report("Fixed missing DN SID on attribute %s" % (attrname
))
842 def err_unknown_attribute(self
, obj
, attrname
):
843 """handle an unknown attribute error"""
844 self
.report("ERROR: unknown attribute '%s' in %s" % (attrname
, obj
.dn
))
845 if not self
.confirm_all('Remove unknown attribute %s' % attrname
, 'remove_all_unknown_attributes'):
846 self
.report("Not removing %s" % attrname
)
850 m
['old_value'] = ldb
.MessageElement([], ldb
.FLAG_MOD_DELETE
, attrname
)
851 if self
.do_modify(m
, ["relax:0", "show_recycled:1"],
852 "Failed to remove unknown attribute %s" % attrname
):
853 self
.report("Removed unknown attribute %s" % (attrname
))
855 def err_undead_linked_attribute(self
, obj
, attrname
, val
):
856 """handle a link that should not be there on a deleted object"""
857 self
.report("ERROR: linked attribute '%s' to '%s' is present on "
858 "deleted object %s" % (attrname
, val
, obj
.dn
))
859 if not self
.confirm_all('Remove linked attribute %s' % attrname
, 'fix_undead_linked_attributes'):
860 self
.report("Not removing linked attribute %s" % attrname
)
864 m
['old_value'] = ldb
.MessageElement(val
, ldb
.FLAG_MOD_DELETE
, attrname
)
866 if self
.do_modify(m
, ["show_recycled:1", "show_deleted:1", "reveal_internals:0",
867 "local_oid:%s:0" % dsdb
.DSDB_CONTROL_REPLMD_VANISH_LINKS
],
868 "Failed to delete forward link %s" % attrname
):
869 self
.report("Fixed undead forward link %s" % (attrname
))
871 def err_missing_backlink(self
, obj
, attrname
, val
, backlink_name
, target_dn
):
872 """handle a missing backlink value"""
873 self
.report("ERROR: missing backlink attribute '%s' in %s for link %s in %s" % (backlink_name
, target_dn
, attrname
, obj
.dn
))
874 if not self
.confirm_all('Fix missing backlink %s' % backlink_name
, 'fix_all_missing_backlinks'):
875 self
.report("Not fixing missing backlink %s" % backlink_name
)
879 m
['new_value'] = ldb
.MessageElement(val
, ldb
.FLAG_MOD_ADD
, backlink_name
)
880 if self
.do_modify(m
, ["show_recycled:1", "relax:0"],
881 "Failed to fix missing backlink %s" % backlink_name
):
882 self
.report("Fixed missing backlink %s" % (backlink_name
))
884 def err_incorrect_rmd_flags(self
, obj
, attrname
, revealed_dn
):
885 """handle a incorrect RMD_FLAGS value"""
886 rmd_flags
= int(revealed_dn
.dn
.get_extended_component("RMD_FLAGS"))
887 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()))
888 if not self
.confirm_all('Fix incorrect RMD_FLAGS %u' % rmd_flags
, 'fix_rmd_flags'):
889 self
.report("Not fixing incorrect RMD_FLAGS %u" % rmd_flags
)
893 m
['old_value'] = ldb
.MessageElement(str(revealed_dn
), ldb
.FLAG_MOD_DELETE
, attrname
)
894 if self
.do_modify(m
, ["show_recycled:1", "reveal_internals:0", "show_deleted:0"],
895 "Failed to fix incorrect RMD_FLAGS %u" % rmd_flags
):
896 self
.report("Fixed incorrect RMD_FLAGS %u" % (rmd_flags
))
898 def err_orphaned_backlink(self
, obj_dn
, backlink_attr
, backlink_val
,
899 target_dn
, forward_attr
, forward_syntax
,
900 check_duplicates
=True):
901 """handle a orphaned backlink value"""
902 if check_duplicates
is True and self
.has_duplicate_links(target_dn
, forward_attr
, forward_syntax
):
903 self
.report("WARNING: Keep orphaned backlink attribute " +
904 "'%s' in '%s' for link '%s' in '%s'" % (
905 backlink_attr
, obj_dn
, forward_attr
, target_dn
))
907 self
.report("ERROR: orphaned backlink attribute '%s' in %s for link %s in %s" % (backlink_attr
, obj_dn
, forward_attr
, target_dn
))
908 if not self
.confirm_all('Remove orphaned backlink %s' % backlink_attr
, 'fix_all_orphaned_backlinks'):
909 self
.report("Not removing orphaned backlink %s" % backlink_attr
)
913 m
['value'] = ldb
.MessageElement(backlink_val
, ldb
.FLAG_MOD_DELETE
, backlink_attr
)
914 if self
.do_modify(m
, ["show_recycled:1", "relax:0"],
915 "Failed to fix orphaned backlink %s" % backlink_attr
):
916 self
.report("Fixed orphaned backlink %s" % (backlink_attr
))
918 def err_recover_forward_links(self
, obj
, forward_attr
, forward_vals
):
919 """handle a duplicate links value"""
921 self
.report("RECHECK: 'Missing/Duplicate/Correct link' lines above for attribute '%s' in '%s'" % (forward_attr
, obj
.dn
))
923 if not self
.confirm_all("Commit fixes for (missing/duplicate) forward links in attribute '%s'" % forward_attr
, 'recover_all_forward_links'):
924 self
.report("Not fixing corrupted (missing/duplicate) forward links in attribute '%s' of '%s'" % (
925 forward_attr
, obj
.dn
))
929 m
['value'] = ldb
.MessageElement(forward_vals
, ldb
.FLAG_MOD_REPLACE
, forward_attr
)
930 if self
.do_modify(m
, ["local_oid:%s:1" % dsdb
.DSDB_CONTROL_DBCHECK_FIX_DUPLICATE_LINKS
],
931 "Failed to fix duplicate links in attribute '%s'" % forward_attr
):
932 self
.report("Fixed duplicate links in attribute '%s'" % (forward_attr
))
933 duplicate_cache_key
= "%s:%s" % (str(obj
.dn
), forward_attr
)
934 assert duplicate_cache_key
in self
.duplicate_link_cache
935 self
.duplicate_link_cache
[duplicate_cache_key
] = False
937 def err_no_fsmoRoleOwner(self
, obj
):
938 """handle a missing fSMORoleOwner"""
939 self
.report("ERROR: fSMORoleOwner not found for role %s" % (obj
.dn
))
940 res
= self
.samdb
.search("",
941 scope
=ldb
.SCOPE_BASE
, attrs
=["dsServiceName"])
943 serviceName
= str(res
[0]["dsServiceName"][0])
944 if not self
.confirm_all('Seize role %s onto current DC by adding fSMORoleOwner=%s' % (obj
.dn
, serviceName
), 'seize_fsmo_role'):
945 self
.report("Not Seizing role %s onto current DC by adding fSMORoleOwner=%s" % (obj
.dn
, serviceName
))
949 m
['value'] = ldb
.MessageElement(serviceName
, ldb
.FLAG_MOD_ADD
, 'fSMORoleOwner')
950 if self
.do_modify(m
, [],
951 "Failed to seize role %s onto current DC by adding fSMORoleOwner=%s" % (obj
.dn
, serviceName
)):
952 self
.report("Seized role %s onto current DC by adding fSMORoleOwner=%s" % (obj
.dn
, serviceName
))
954 def err_missing_parent(self
, obj
):
955 """handle a missing parent"""
956 self
.report("ERROR: parent object not found for %s" % (obj
.dn
))
957 if not self
.confirm_all('Move object %s into LostAndFound?' % (obj
.dn
), 'move_to_lost_and_found'):
958 self
.report('Not moving object %s into LostAndFound' % (obj
.dn
))
961 keep_transaction
= False
962 self
.samdb
.transaction_start()
964 nc_root
= self
.samdb
.get_nc_root(obj
.dn
)
965 lost_and_found
= self
.get_wellknown_dn_cached(nc_root
, dsdb
.DS_GUID_LOSTANDFOUND_CONTAINER
)
966 new_dn
= ldb
.Dn(self
.samdb
, str(obj
.dn
))
967 new_dn
.remove_base_components(len(new_dn
) - 1)
968 if self
.do_rename(obj
.dn
, new_dn
, lost_and_found
, ["show_deleted:0", "relax:0"],
969 "Failed to rename object %s into lostAndFound at %s" % (obj
.dn
, new_dn
+ lost_and_found
)):
970 self
.report("Renamed object %s into lostAndFound at %s" % (obj
.dn
, new_dn
+ lost_and_found
))
974 m
['lastKnownParent'] = ldb
.MessageElement(str(obj
.dn
.parent()), ldb
.FLAG_MOD_REPLACE
, 'lastKnownParent')
976 if self
.do_modify(m
, [],
977 "Failed to set lastKnownParent on lostAndFound object at %s" % (new_dn
+ lost_and_found
)):
978 self
.report("Set lastKnownParent on lostAndFound object at %s" % (new_dn
+ lost_and_found
))
979 keep_transaction
= True
981 self
.samdb
.transaction_cancel()
985 self
.samdb
.transaction_commit()
987 self
.samdb
.transaction_cancel()
989 def err_wrong_dn(self
, obj
, new_dn
, rdn_attr
, rdn_val
, name_val
, controls
):
990 """handle a wrong dn"""
992 new_rdn
= ldb
.Dn(self
.samdb
, str(new_dn
))
993 new_rdn
.remove_base_components(len(new_rdn
) - 1)
994 new_parent
= new_dn
.parent()
997 if rdn_val
!= name_val
:
998 attributes
+= "%s=%r " % (rdn_attr
, rdn_val
)
999 attributes
+= "name=%r" % (name_val
)
1001 self
.report("ERROR: wrong dn[%s] %s new_dn[%s]" % (obj
.dn
, attributes
, new_dn
))
1002 if not self
.confirm_all("Rename %s to %s?" % (obj
.dn
, new_dn
), 'fix_dn'):
1003 self
.report("Not renaming %s to %s" % (obj
.dn
, new_dn
))
1006 if self
.do_rename(obj
.dn
, new_rdn
, new_parent
, controls
,
1007 "Failed to rename object %s into %s" % (obj
.dn
, new_dn
)):
1008 self
.report("Renamed %s into %s" % (obj
.dn
, new_dn
))
1010 def err_wrong_instancetype(self
, obj
, calculated_instancetype
):
1011 """handle a wrong instanceType"""
1012 self
.report("ERROR: wrong instanceType %s on %s, should be %d" % (obj
["instanceType"], obj
.dn
, calculated_instancetype
))
1013 if not self
.confirm_all('Change instanceType from %s to %d on %s?' % (obj
["instanceType"], calculated_instancetype
, obj
.dn
), 'fix_instancetype'):
1014 self
.report('Not changing instanceType from %s to %d on %s' % (obj
["instanceType"], calculated_instancetype
, obj
.dn
))
1019 m
['value'] = ldb
.MessageElement(str(calculated_instancetype
), ldb
.FLAG_MOD_REPLACE
, 'instanceType')
1020 if self
.do_modify(m
, ["local_oid:%s:0" % dsdb
.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA
],
1021 "Failed to correct missing instanceType on %s by setting instanceType=%d" % (obj
.dn
, calculated_instancetype
)):
1022 self
.report("Corrected instancetype on %s by setting instanceType=%d" % (obj
.dn
, calculated_instancetype
))
1024 def err_short_userParameters(self
, obj
, attrname
, value
):
1025 # This is a truncated userParameters due to a pre 4.1 replication bug
1026 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
)))
1028 def err_base64_userParameters(self
, obj
, attrname
, value
):
1029 """handle a userParameters that is wrongly base64 encoded"""
1030 self
.report("ERROR: wrongly formatted userParameters %s on %s, should not be base64-encoded" % (value
, obj
.dn
))
1031 if not self
.confirm_all('Convert userParameters from base64 encoding on %s?' % (obj
.dn
), 'fix_base64_userparameters'):
1032 self
.report('Not changing userParameters from base64 encoding on %s' % (obj
.dn
))
1037 m
['value'] = ldb
.MessageElement(b64decode(obj
[attrname
][0]), ldb
.FLAG_MOD_REPLACE
, 'userParameters')
1038 if self
.do_modify(m
, [],
1039 "Failed to correct base64-encoded userParameters on %s by converting from base64" % (obj
.dn
)):
1040 self
.report("Corrected base64-encoded userParameters on %s by converting from base64" % (obj
.dn
))
1042 def err_utf8_userParameters(self
, obj
, attrname
, value
):
1043 """handle a userParameters that is wrongly utf-8 encoded"""
1044 self
.report("ERROR: wrongly formatted userParameters on %s, "
1045 "should not be pseudo-UTF8 encoded" % (obj
.dn
))
1046 if not self
.confirm_all('Convert userParameters from UTF8 encoding on %s?' % (obj
.dn
), 'fix_utf8_userparameters'):
1047 self
.report('Not changing userParameters from UTF8 encoding on %s' % (obj
.dn
))
1052 m
['value'] = ldb
.MessageElement(obj
[attrname
][0].decode('utf8').encode('utf-16-le'),
1053 ldb
.FLAG_MOD_REPLACE
, 'userParameters')
1054 if self
.do_modify(m
, [],
1055 "Failed to correct psudo-UTF8 encoded userParameters on %s by converting from UTF8" % (obj
.dn
)):
1056 self
.report("Corrected psudo-UTF8 encoded userParameters on %s by converting from UTF8" % (obj
.dn
))
1058 def err_doubled_userParameters(self
, obj
, attrname
, value
):
1059 """handle a userParameters that has been utf-16 encoded twice"""
1060 self
.report("ERROR: wrongly formatted userParameters on %s, should not be double UTF16 encoded" % (obj
.dn
))
1061 if not self
.confirm_all('Convert userParameters from doubled UTF-16 encoding on %s?' % (obj
.dn
), 'fix_doubled_userparameters'):
1062 self
.report('Not changing userParameters from doubled UTF-16 encoding on %s' % (obj
.dn
))
1067 # m['value'] = ldb.MessageElement(obj[attrname][0].decode('utf-16-le').decode('utf-16-le').encode('utf-16-le'),
1068 # hmm the above old python2 code doesn't make sense to me and cannot
1069 # work in python3 because a string doesn't have a decode method.
1070 # However in python2 for some unknown reason this double decode
1071 # followed by encode seems to result in what looks like utf8.
1072 # In python2 just .decode('utf-16-le').encode('utf-16-le') does nothing
1073 # but trigger the 'double UTF16 encoded' condition again :/
1075 # In python2 and python3 value.decode('utf-16-le').encode('utf8') seems
1076 # to do the trick and work as expected.
1077 m
['value'] = ldb
.MessageElement(obj
[attrname
][0].decode('utf-16-le').encode('utf8'),
1078 ldb
.FLAG_MOD_REPLACE
, 'userParameters')
1080 if self
.do_modify(m
, [],
1081 "Failed to correct doubled-UTF16 encoded userParameters on %s by converting" % (obj
.dn
)):
1082 self
.report("Corrected doubled-UTF16 encoded userParameters on %s by converting" % (obj
.dn
))
1084 def err_odd_userParameters(self
, obj
, attrname
):
1085 """Fix a truncated userParameters due to a pre 4.1 replication bug"""
1086 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
)))
1088 def find_revealed_link(self
, dn
, attrname
, guid
):
1089 """return a revealed link in an object"""
1090 res
= self
.samdb
.search(base
=dn
, scope
=ldb
.SCOPE_BASE
, attrs
=[attrname
],
1091 controls
=["show_deleted:0", "extended_dn:0", "reveal_internals:0"])
1092 syntax_oid
= self
.samdb_schema
.get_syntax_oid_from_lDAPDisplayName(attrname
)
1093 for val
in res
[0][attrname
]:
1094 dsdb_dn
= dsdb_Dn(self
.samdb
, val
.decode('utf8'), syntax_oid
)
1095 guid2
= dsdb_dn
.dn
.get_extended_component("GUID")
1100 def check_duplicate_links(self
, obj
, forward_attr
, forward_syntax
, forward_linkID
, backlink_attr
):
1101 """check a linked values for duplicate forward links"""
1104 duplicate_dict
= dict()
1105 unique_dict
= dict()
1107 # Only forward links can have this problem
1108 if forward_linkID
& 1:
1109 # If we got the reverse, skip it
1110 return (error_count
, duplicate_dict
, unique_dict
)
1112 if backlink_attr
is None:
1113 return (error_count
, duplicate_dict
, unique_dict
)
1115 duplicate_cache_key
= "%s:%s" % (str(obj
.dn
), forward_attr
)
1116 if duplicate_cache_key
not in self
.duplicate_link_cache
:
1117 self
.duplicate_link_cache
[duplicate_cache_key
] = False
1119 for val
in obj
[forward_attr
]:
1120 dsdb_dn
= dsdb_Dn(self
.samdb
, val
.decode('utf8'), forward_syntax
)
1122 # all DNs should have a GUID component
1123 guid
= dsdb_dn
.dn
.get_extended_component("GUID")
1126 guidstr
= str(misc
.GUID(guid
))
1127 keystr
= guidstr
+ dsdb_dn
.prefix
1128 if keystr
not in unique_dict
:
1129 unique_dict
[keystr
] = dsdb_dn
1132 if keystr
not in duplicate_dict
:
1133 duplicate_dict
[keystr
] = dict()
1134 duplicate_dict
[keystr
]["keep"] = None
1135 duplicate_dict
[keystr
]["delete"] = list()
1137 # Now check for the highest RMD_VERSION
1138 v1
= int(unique_dict
[keystr
].dn
.get_extended_component("RMD_VERSION"))
1139 v2
= int(dsdb_dn
.dn
.get_extended_component("RMD_VERSION"))
1141 duplicate_dict
[keystr
]["keep"] = unique_dict
[keystr
]
1142 duplicate_dict
[keystr
]["delete"].append(dsdb_dn
)
1145 duplicate_dict
[keystr
]["keep"] = dsdb_dn
1146 duplicate_dict
[keystr
]["delete"].append(unique_dict
[keystr
])
1147 unique_dict
[keystr
] = dsdb_dn
1149 # Fallback to the highest RMD_LOCAL_USN
1150 u1
= int(unique_dict
[keystr
].dn
.get_extended_component("RMD_LOCAL_USN"))
1151 u2
= int(dsdb_dn
.dn
.get_extended_component("RMD_LOCAL_USN"))
1153 duplicate_dict
[keystr
]["keep"] = unique_dict
[keystr
]
1154 duplicate_dict
[keystr
]["delete"].append(dsdb_dn
)
1156 duplicate_dict
[keystr
]["keep"] = dsdb_dn
1157 duplicate_dict
[keystr
]["delete"].append(unique_dict
[keystr
])
1158 unique_dict
[keystr
] = dsdb_dn
1160 if error_count
!= 0:
1161 self
.duplicate_link_cache
[duplicate_cache_key
] = True
1163 return (error_count
, duplicate_dict
, unique_dict
)
1165 def has_duplicate_links(self
, dn
, forward_attr
, forward_syntax
):
1166 """check a linked values for duplicate forward links"""
1169 duplicate_cache_key
= "%s:%s" % (str(dn
), forward_attr
)
1170 if duplicate_cache_key
in self
.duplicate_link_cache
:
1171 return self
.duplicate_link_cache
[duplicate_cache_key
]
1173 forward_linkID
, backlink_attr
= self
.get_attr_linkID_and_reverse_name(forward_attr
)
1175 attrs
= [forward_attr
]
1176 controls
= ["extended_dn:1:1", "reveal_internals:0"]
1178 # check its the right GUID
1180 res
= self
.samdb
.search(base
=str(dn
), scope
=ldb
.SCOPE_BASE
,
1181 attrs
=attrs
, controls
=controls
)
1182 except ldb
.LdbError
as e8
:
1183 (enum
, estr
) = e8
.args
1184 if enum
!= ldb
.ERR_NO_SUCH_OBJECT
:
1190 error_count
, duplicate_dict
, unique_dict
= \
1191 self
.check_duplicate_links(obj
, forward_attr
, forward_syntax
, forward_linkID
, backlink_attr
)
1193 if duplicate_cache_key
in self
.duplicate_link_cache
:
1194 return self
.duplicate_link_cache
[duplicate_cache_key
]
1198 def find_missing_forward_links_from_backlinks(self
, obj
,
1202 forward_unique_dict
):
1203 """Find all backlinks linking to obj_guid_str not already in forward_unique_dict"""
1204 missing_forward_links
= []
1207 if backlink_attr
is None:
1208 return (missing_forward_links
, error_count
)
1210 if forward_syntax
!= ldb
.SYNTAX_DN
:
1211 self
.report("Not checking for missing forward links for syntax: %s" %
1213 return (missing_forward_links
, error_count
)
1215 if "sortedLinks" in self
.compatibleFeatures
:
1216 self
.report("Not checking for missing forward links because the db " +
1217 "has the sortedLinks feature")
1218 return (missing_forward_links
, error_count
)
1221 obj_guid
= obj
['objectGUID'][0]
1222 obj_guid_str
= str(ndr_unpack(misc
.GUID
, obj_guid
))
1223 filter = "(%s=<GUID=%s>)" % (backlink_attr
, obj_guid_str
)
1225 res
= self
.samdb
.search(expression
=filter,
1226 scope
=ldb
.SCOPE_SUBTREE
, attrs
=["objectGUID"],
1227 controls
=["extended_dn:1:1",
1228 "search_options:1:2",
1229 "paged_results:1:1000"])
1230 except ldb
.LdbError
as e9
:
1231 (enum
, estr
) = e9
.args
1235 target_dn
= dsdb_Dn(self
.samdb
, r
.dn
.extended_str(), forward_syntax
)
1237 guid
= target_dn
.dn
.get_extended_component("GUID")
1238 guidstr
= str(misc
.GUID(guid
))
1239 if guidstr
in forward_unique_dict
:
1242 # A valid forward link looks like this:
1244 # <GUID=9f92d30a-fc23-11e4-a5f6-30be15454808>;
1245 # <RMD_ADDTIME=131607546230000000>;
1246 # <RMD_CHANGETIME=131607546230000000>;
1248 # <RMD_INVOCID=4e4496a3-7fb8-4f97-8a33-d238db8b5e2d>;
1249 # <RMD_LOCAL_USN=3765>;
1250 # <RMD_ORIGINATING_USN=3765>;
1252 # <SID=S-1-5-21-4177067393-1453636373-93818738-1124>;
1253 # CN=unsorted-u8,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp
1255 # Note that versions older than Samba 4.8 create
1256 # links with RMD_VERSION=0.
1258 # Try to get the local_usn and time from objectClass
1259 # if possible and fallback to any other one.
1260 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
,
1261 obj
['replPropertyMetadata'][0])
1262 for o
in repl
.ctr
.array
:
1263 local_usn
= o
.local_usn
1264 t
= o
.originating_change_time
1265 if o
.attid
== drsuapi
.DRSUAPI_ATTID_objectClass
:
1268 # We use a magic invocationID for restoring missing
1269 # forward links to recover from bug #13228.
1270 # This should allow some more future magic to fix the
1273 # It also means it looses the conflict resolution
1274 # against almost every real invocation, if the
1275 # version is also 0.
1276 originating_invocid
= misc
.GUID("ffffffff-4700-4700-4700-000000b13228")
1282 rmd_invocid
= originating_invocid
1283 rmd_originating_usn
= originating_usn
1284 rmd_local_usn
= local_usn
1287 target_dn
.dn
.set_extended_component("RMD_ADDTIME", str(rmd_addtime
))
1288 target_dn
.dn
.set_extended_component("RMD_CHANGETIME", str(rmd_changetime
))
1289 target_dn
.dn
.set_extended_component("RMD_FLAGS", str(rmd_flags
))
1290 target_dn
.dn
.set_extended_component("RMD_INVOCID", ndr_pack(rmd_invocid
))
1291 target_dn
.dn
.set_extended_component("RMD_ORIGINATING_USN", str(rmd_originating_usn
))
1292 target_dn
.dn
.set_extended_component("RMD_LOCAL_USN", str(rmd_local_usn
))
1293 target_dn
.dn
.set_extended_component("RMD_VERSION", str(rmd_version
))
1296 missing_forward_links
.append(target_dn
)
1298 return (missing_forward_links
, error_count
)
1300 def check_dn(self
, obj
, attrname
, syntax_oid
):
1301 """check a DN attribute for correctness"""
1303 obj_guid
= obj
['objectGUID'][0]
1305 linkID
, reverse_link_name
= self
.get_attr_linkID_and_reverse_name(attrname
)
1306 if reverse_link_name
is not None:
1307 reverse_syntax_oid
= self
.samdb_schema
.get_syntax_oid_from_lDAPDisplayName(reverse_link_name
)
1309 reverse_syntax_oid
= None
1311 is_member_link
= attrname
in ("member", "memberOf")
1312 if is_member_link
and self
.quick_membership_checks
:
1315 error_count
, duplicate_dict
, unique_dict
= \
1316 self
.check_duplicate_links(obj
, attrname
, syntax_oid
,
1317 linkID
, reverse_link_name
)
1319 if len(duplicate_dict
) != 0:
1321 missing_forward_links
, missing_error_count
= \
1322 self
.find_missing_forward_links_from_backlinks(obj
,
1323 attrname
, syntax_oid
,
1326 error_count
+= missing_error_count
1328 forward_links
= [dn
for dn
in unique_dict
.values()]
1330 if missing_error_count
!= 0:
1331 self
.report("ERROR: Missing and duplicate forward link values for attribute '%s' in '%s'" % (
1334 self
.report("ERROR: Duplicate forward link values for attribute '%s' in '%s'" % (attrname
, obj
.dn
))
1335 for m
in missing_forward_links
:
1336 self
.report("Missing link '%s'" % (m
))
1337 if not self
.confirm_all("Schedule re-adding missing forward link for attribute %s" % attrname
,
1338 'fix_all_missing_forward_links'):
1339 self
.err_orphaned_backlink(m
.dn
, reverse_link_name
,
1340 obj
.dn
.extended_str(), obj
.dn
,
1341 attrname
, syntax_oid
,
1342 check_duplicates
=False)
1344 forward_links
+= [m
]
1345 for keystr
in duplicate_dict
.keys():
1346 d
= duplicate_dict
[keystr
]
1347 for dd
in d
["delete"]:
1348 self
.report("Duplicate link '%s'" % dd
)
1349 self
.report("Correct link '%s'" % d
["keep"])
1351 # We now construct the sorted dn values.
1352 # They're sorted by the objectGUID of the target
1353 # See dsdb_Dn.__cmp__()
1354 vals
= [str(dn
) for dn
in sorted(forward_links
)]
1355 self
.err_recover_forward_links(obj
, attrname
, vals
)
1356 # We should continue with the fixed values
1357 obj
[attrname
] = ldb
.MessageElement(vals
, 0, attrname
)
1359 for val
in obj
[attrname
]:
1360 dsdb_dn
= dsdb_Dn(self
.samdb
, val
.decode('utf8'), syntax_oid
)
1362 # all DNs should have a GUID component
1363 guid
= dsdb_dn
.dn
.get_extended_component("GUID")
1366 self
.err_missing_dn_GUID_component(obj
.dn
, attrname
, val
, dsdb_dn
,
1370 guidstr
= str(misc
.GUID(guid
))
1371 attrs
= ['isDeleted', 'replPropertyMetaData']
1373 if (str(attrname
).lower() == 'msds-hasinstantiatedncs') and (obj
.dn
== self
.ntds_dsa
):
1374 fixing_msDS_HasInstantiatedNCs
= True
1375 attrs
.append("instanceType")
1377 fixing_msDS_HasInstantiatedNCs
= False
1379 if reverse_link_name
is not None:
1380 attrs
.append(reverse_link_name
)
1382 # check its the right GUID
1384 res
= self
.samdb
.search(base
="<GUID=%s>" % guidstr
, scope
=ldb
.SCOPE_BASE
,
1385 attrs
=attrs
, controls
=["extended_dn:1:1", "show_recycled:1",
1386 "reveal_internals:0"
1388 except ldb
.LdbError
as e3
:
1389 (enum
, estr
) = e3
.args
1390 if enum
!= ldb
.ERR_NO_SUCH_OBJECT
:
1393 # We don't always want to
1394 error_count
+= self
.err_missing_target_dn_or_GUID(obj
.dn
,
1400 if fixing_msDS_HasInstantiatedNCs
:
1401 dsdb_dn
.prefix
= "B:8:%08X:" % int(res
[0]['instanceType'][0])
1402 dsdb_dn
.binary
= "%08X" % int(res
[0]['instanceType'][0])
1404 if str(dsdb_dn
) != str(val
):
1406 self
.err_incorrect_binary_dn(obj
.dn
, attrname
, val
, dsdb_dn
, "incorrect instanceType part of Binary DN")
1409 # now we have two cases - the source object might or might not be deleted
1410 is_deleted
= 'isDeleted' in obj
and str(obj
['isDeleted'][0]).upper() == 'TRUE'
1411 target_is_deleted
= 'isDeleted' in res
[0] and str(res
[0]['isDeleted'][0]).upper() == 'TRUE'
1413 if is_deleted
and obj
.dn
not in self
.deleted_objects_containers
and linkID
:
1414 # A fully deleted object should not have any linked
1415 # attributes. (MS-ADTS 3.1.1.5.5.1.1 Tombstone
1416 # Requirements and 3.1.1.5.5.1.3 Recycled-Object
1418 self
.err_undead_linked_attribute(obj
, attrname
, val
)
1421 elif target_is_deleted
and not self
.is_deleted_objects_dn(dsdb_dn
) and linkID
:
1422 # the target DN is not allowed to be deleted, unless the target DN is the
1423 # special Deleted Objects container
1425 local_usn
= dsdb_dn
.dn
.get_extended_component("RMD_LOCAL_USN")
1427 if 'replPropertyMetaData' in res
[0]:
1428 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
,
1429 res
[0]['replPropertyMetadata'][0])
1431 for o
in repl
.ctr
.array
:
1432 if o
.attid
== drsuapi
.DRSUAPI_ATTID_isDeleted
:
1433 deleted_usn
= o
.local_usn
1434 if deleted_usn
>= int(local_usn
):
1435 # If the object was deleted after the link
1436 # was last modified then, clean it up here
1441 self
.err_deleted_dn(obj
.dn
, attrname
,
1442 val
, dsdb_dn
, res
[0].dn
, True)
1445 self
.err_deleted_dn(obj
.dn
, attrname
, val
, dsdb_dn
, res
[0].dn
, False)
1448 # We should not check for incorrect
1449 # components on deleted links, as these are allowed to
1450 # go stale (we just need the GUID, not the name)
1451 rmd_blob
= dsdb_dn
.dn
.get_extended_component("RMD_FLAGS")
1453 if rmd_blob
is not None:
1454 rmd_flags
= int(rmd_blob
)
1456 # assert the DN matches in string form, where a reverse
1457 # link exists, otherwise (below) offer to fix it as a non-error.
1458 # The string form is essentially only kept for forensics,
1459 # as we always re-resolve by GUID in normal operations.
1460 if not rmd_flags
& 1 and reverse_link_name
is not None:
1461 if str(res
[0].dn
) != str(dsdb_dn
.dn
):
1463 self
.err_dn_component_target_mismatch(obj
.dn
, attrname
, val
, dsdb_dn
,
1464 res
[0].dn
, "string")
1467 if res
[0].dn
.get_extended_component("GUID") != dsdb_dn
.dn
.get_extended_component("GUID"):
1469 self
.err_dn_component_target_mismatch(obj
.dn
, attrname
, val
, dsdb_dn
,
1473 target_sid
= res
[0].dn
.get_extended_component("SID")
1474 link_sid
= dsdb_dn
.dn
.get_extended_component("SID")
1475 if link_sid
is None and target_sid
is not None:
1477 self
.err_dn_component_missing_target_sid(obj
.dn
, attrname
, val
,
1478 dsdb_dn
, target_sid
)
1480 if link_sid
!= target_sid
:
1482 self
.err_dn_component_target_mismatch(obj
.dn
, attrname
, val
, dsdb_dn
,
1486 # Only for non-links, not even forward-only links
1487 # (otherwise this breaks repl_meta_data):
1489 # Now we have checked the GUID and SID, offer to fix old
1490 # DN strings as a non-error (DNs, not links so no
1491 # backlink). Samba does not maintain this string
1492 # otherwise, so we don't increment error_count.
1493 if reverse_link_name
is None:
1494 if linkID
== 0 and str(res
[0].dn
) != str(dsdb_dn
.dn
):
1495 # Pass in the old/bad DN without the <GUID=...> part,
1496 # otherwise the LDB code will correct it on the way through
1497 # (Note: we still want to preserve the DSDB DN prefix in the
1498 # case of binary DNs)
1499 bad_dn
= dsdb_dn
.prefix
+ dsdb_dn
.dn
.get_linearized()
1500 self
.err_dn_string_component_old(obj
.dn
, attrname
, bad_dn
,
1504 if is_member_link
and self
.quick_membership_checks
:
1507 # check the reverse_link is correct if there should be one
1509 if reverse_link_name
in res
[0]:
1510 for v
in res
[0][reverse_link_name
]:
1511 v_dn
= dsdb_Dn(self
.samdb
, v
.decode('utf8'))
1512 v_guid
= v_dn
.dn
.get_extended_component("GUID")
1513 v_blob
= v_dn
.dn
.get_extended_component("RMD_FLAGS")
1515 if v_blob
is not None:
1516 v_rmd_flags
= int(v_blob
)
1519 if v_guid
== obj_guid
:
1522 if match_count
!= 1:
1523 if syntax_oid
== dsdb
.DSDB_SYNTAX_BINARY_DN
or reverse_syntax_oid
== dsdb
.DSDB_SYNTAX_BINARY_DN
:
1525 # Forward binary multi-valued linked attribute
1527 for w
in obj
[attrname
]:
1528 w_guid
= dsdb_Dn(self
.samdb
, w
.decode('utf8')).dn
.get_extended_component("GUID")
1532 if match_count
== forward_count
:
1535 for v
in obj
[attrname
]:
1536 v_dn
= dsdb_Dn(self
.samdb
, v
.decode('utf8'))
1537 v_guid
= v_dn
.dn
.get_extended_component("GUID")
1538 v_blob
= v_dn
.dn
.get_extended_component("RMD_FLAGS")
1540 if v_blob
is not None:
1541 v_rmd_flags
= int(v_blob
)
1547 if match_count
== expected_count
:
1550 diff_count
= expected_count
- match_count
1553 # If there's a backward link on binary multi-valued linked attribute,
1554 # let the check on the forward link remedy the value.
1555 # UNLESS, there is no forward link detected.
1556 if match_count
== 0:
1558 self
.err_orphaned_backlink(obj
.dn
, attrname
,
1563 # Only warn here and let the forward link logic fix it.
1564 self
.report("WARNING: Link (back) mismatch for '%s' (%d) on '%s' to '%s' (%d) on '%s'" % (
1565 attrname
, expected_count
, str(obj
.dn
),
1566 reverse_link_name
, match_count
, str(dsdb_dn
.dn
)))
1569 assert not target_is_deleted
1571 self
.report("ERROR: Link (forward) mismatch for '%s' (%d) on '%s' to '%s' (%d) on '%s'" % (
1572 attrname
, expected_count
, str(obj
.dn
),
1573 reverse_link_name
, match_count
, str(dsdb_dn
.dn
)))
1575 # Loop until the difference between the forward and
1576 # the backward links is resolved.
1577 while diff_count
!= 0:
1580 if match_count
> 0 or diff_count
> 1:
1581 # TODO no method to fix these right now
1582 self
.report("ERROR: Can't fix missing "
1583 "multi-valued backlinks on %s" % str(dsdb_dn
.dn
))
1585 self
.err_missing_backlink(obj
, attrname
,
1586 obj
.dn
.extended_str(),
1591 self
.err_orphaned_backlink(res
[0].dn
, reverse_link_name
,
1592 obj
.dn
.extended_str(), obj
.dn
,
1593 attrname
, syntax_oid
)
1598 def find_repl_attid(self
, repl
, attid
):
1599 for o
in repl
.ctr
.array
:
1600 if o
.attid
== attid
:
1605 def get_originating_time(self
, val
, attid
):
1606 """Read metadata properties and return the originating time for
1607 a given attributeId.
1609 :return: the originating time or 0 if not found
1612 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
, val
)
1613 o
= self
.find_repl_attid(repl
, attid
)
1615 return o
.originating_change_time
1618 def process_metadata(self
, dn
, val
):
1619 """Read metadata properties and list attributes in it.
1620 raises KeyError if the attid is unknown."""
1623 wrong_attids
= set()
1625 in_schema_nc
= dn
.is_child_of(self
.schema_dn
)
1627 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
, val
)
1629 for o
in repl
.ctr
.array
:
1630 att
= self
.samdb_schema
.get_lDAPDisplayName_by_attid(o
.attid
)
1631 set_att
.add(att
.lower())
1632 list_attid
.append(o
.attid
)
1633 correct_attid
= self
.samdb_schema
.get_attid_from_lDAPDisplayName(att
,
1634 is_schema_nc
=in_schema_nc
)
1635 if correct_attid
!= o
.attid
:
1636 wrong_attids
.add(o
.attid
)
1638 return (set_att
, list_attid
, wrong_attids
)
1640 def fix_metadata(self
, obj
, attr
):
1641 """re-write replPropertyMetaData elements for a single attribute for a
1642 object. This is used to fix missing replPropertyMetaData elements"""
1643 guid_str
= str(ndr_unpack(misc
.GUID
, obj
['objectGUID'][0]))
1644 dn
= ldb
.Dn(self
.samdb
, "<GUID=%s>" % guid_str
)
1645 res
= self
.samdb
.search(base
=dn
, scope
=ldb
.SCOPE_BASE
, attrs
=[attr
],
1646 controls
=["search_options:1:2",
1649 nmsg
= ldb
.Message()
1651 nmsg
[attr
] = ldb
.MessageElement(msg
[attr
], ldb
.FLAG_MOD_REPLACE
, attr
)
1652 if self
.do_modify(nmsg
, ["relax:0", "provision:0", "show_recycled:1"],
1653 "Failed to fix metadata for attribute %s" % attr
):
1654 self
.report("Fixed metadata for attribute %s" % attr
)
1656 def ace_get_effective_inherited_type(self
, ace
):
1657 if ace
.flags
& security
.SEC_ACE_FLAG_INHERIT_ONLY
:
1661 if ace
.type == security
.SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT
:
1663 elif ace
.type == security
.SEC_ACE_TYPE_ACCESS_DENIED_OBJECT
:
1665 elif ace
.type == security
.SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT
:
1667 elif ace
.type == security
.SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT
:
1673 if not ace
.object.flags
& security
.SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT
:
1676 return str(ace
.object.inherited_type
)
1678 def lookup_class_schemaIDGUID(self
, cls
):
1679 if cls
in self
.class_schemaIDGUID
:
1680 return self
.class_schemaIDGUID
[cls
]
1682 flt
= "(&(ldapDisplayName=%s)(objectClass=classSchema))" % cls
1683 res
= self
.samdb
.search(base
=self
.schema_dn
,
1685 attrs
=["schemaIDGUID"])
1686 t
= str(ndr_unpack(misc
.GUID
, res
[0]["schemaIDGUID"][0]))
1688 self
.class_schemaIDGUID
[cls
] = t
1691 def process_sd(self
, dn
, obj
):
1692 sd_attr
= "nTSecurityDescriptor"
1693 sd_val
= obj
[sd_attr
]
1695 sd
= ndr_unpack(security
.descriptor
, sd_val
[0])
1697 is_deleted
= 'isDeleted' in obj
and str(obj
['isDeleted'][0]).upper() == 'TRUE'
1699 # we don't fix deleted objects
1702 sd_clean
= security
.descriptor()
1703 sd_clean
.owner_sid
= sd
.owner_sid
1704 sd_clean
.group_sid
= sd
.group_sid
1705 sd_clean
.type = sd
.type
1706 sd_clean
.revision
= sd
.revision
1709 last_inherited_type
= None
1712 if sd
.sacl
is not None:
1714 for i
in range(0, len(aces
)):
1717 if not ace
.flags
& security
.SEC_ACE_FLAG_INHERITED_ACE
:
1718 sd_clean
.sacl_add(ace
)
1721 t
= self
.ace_get_effective_inherited_type(ace
)
1725 if last_inherited_type
is not None:
1726 if t
!= last_inherited_type
:
1727 # if it inherited from more than
1728 # one type it's very likely to be broken
1730 # If not the recalculation will calculate
1735 last_inherited_type
= t
1738 if sd
.dacl
is not None:
1740 for i
in range(0, len(aces
)):
1743 if not ace
.flags
& security
.SEC_ACE_FLAG_INHERITED_ACE
:
1744 sd_clean
.dacl_add(ace
)
1747 t
= self
.ace_get_effective_inherited_type(ace
)
1751 if last_inherited_type
is not None:
1752 if t
!= last_inherited_type
:
1753 # if it inherited from more than
1754 # one type it's very likely to be broken
1756 # If not the recalculation will calculate
1761 last_inherited_type
= t
1764 return (sd_clean
, sd
)
1766 if last_inherited_type
is None:
1772 cls
= obj
["objectClass"][-1]
1773 except KeyError as e
:
1777 res
= self
.samdb
.search(base
=dn
, scope
=ldb
.SCOPE_BASE
,
1778 attrs
=["isDeleted", "objectClass"],
1779 controls
=["show_recycled:1"])
1781 is_deleted
= 'isDeleted' in o
and str(o
['isDeleted'][0]).upper() == 'TRUE'
1783 # we don't fix deleted objects
1785 cls
= o
["objectClass"][-1]
1787 t
= self
.lookup_class_schemaIDGUID(cls
)
1789 if t
!= last_inherited_type
:
1791 return (sd_clean
, sd
)
1796 def err_wrong_sd(self
, dn
, sd
, sd_broken
):
1797 """re-write the SD due to incorrect inherited ACEs"""
1798 sd_attr
= "nTSecurityDescriptor"
1799 sd_val
= ndr_pack(sd
)
1800 sd_flags
= security
.SECINFO_DACL | security
.SECINFO_SACL
1802 if not self
.confirm_all('Fix %s on %s?' % (sd_attr
, dn
), 'fix_ntsecuritydescriptor'):
1803 self
.report('Not fixing %s on %s\n' % (sd_attr
, dn
))
1806 nmsg
= ldb
.Message()
1808 nmsg
[sd_attr
] = ldb
.MessageElement(sd_val
, ldb
.FLAG_MOD_REPLACE
, sd_attr
)
1809 if self
.do_modify(nmsg
, ["sd_flags:1:%d" % sd_flags
],
1810 "Failed to fix attribute %s" % sd_attr
):
1811 self
.report("Fixed attribute '%s' of '%s'\n" % (sd_attr
, dn
))
1813 def err_wrong_default_sd(self
, dn
, sd
, diff
):
1814 """re-write the SD due to not matching the default (optional mode for fixing an incorrect provision)"""
1815 sd_attr
= "nTSecurityDescriptor"
1816 sd_val
= ndr_pack(sd
)
1817 sd_flags
= security
.SECINFO_DACL | security
.SECINFO_SACL
1818 if sd
.owner_sid
is not None:
1819 sd_flags |
= security
.SECINFO_OWNER
1820 if sd
.group_sid
is not None:
1821 sd_flags |
= security
.SECINFO_GROUP
1823 if not self
.confirm_all('Reset %s on %s back to provision default?\n%s' % (sd_attr
, dn
, diff
), 'reset_all_well_known_acls'):
1824 self
.report('Not resetting %s on %s\n' % (sd_attr
, dn
))
1829 m
[sd_attr
] = ldb
.MessageElement(sd_val
, ldb
.FLAG_MOD_REPLACE
, sd_attr
)
1830 if self
.do_modify(m
, ["sd_flags:1:%d" % sd_flags
],
1831 "Failed to reset attribute %s" % sd_attr
):
1832 self
.report("Fixed attribute '%s' of '%s'\n" % (sd_attr
, dn
))
1834 def err_missing_sd_owner(self
, dn
, sd
):
1835 """re-write the SD due to a missing owner or group"""
1836 sd_attr
= "nTSecurityDescriptor"
1837 sd_val
= ndr_pack(sd
)
1838 sd_flags
= security
.SECINFO_OWNER | security
.SECINFO_GROUP
1840 if not self
.confirm_all('Fix missing owner or group in %s on %s?' % (sd_attr
, dn
), 'fix_ntsecuritydescriptor_owner_group'):
1841 self
.report('Not fixing missing owner or group %s on %s\n' % (sd_attr
, dn
))
1844 nmsg
= ldb
.Message()
1846 nmsg
[sd_attr
] = ldb
.MessageElement(sd_val
, ldb
.FLAG_MOD_REPLACE
, sd_attr
)
1848 # By setting the session_info to admin_session_info and
1849 # setting the security.SECINFO_OWNER | security.SECINFO_GROUP
1850 # flags we cause the descriptor module to set the correct
1851 # owner and group on the SD, replacing the None/NULL values
1852 # for owner_sid and group_sid currently present.
1854 # The admin_session_info matches that used in provision, and
1855 # is the best guess we can make for an existing object that
1856 # hasn't had something specifically set.
1858 # This is important for the dns related naming contexts.
1859 self
.samdb
.set_session_info(self
.admin_session_info
)
1860 if self
.do_modify(nmsg
, ["sd_flags:1:%d" % sd_flags
],
1861 "Failed to fix metadata for attribute %s" % sd_attr
):
1862 self
.report("Fixed attribute '%s' of '%s'\n" % (sd_attr
, dn
))
1863 self
.samdb
.set_session_info(self
.system_session_info
)
1865 def is_expired_tombstone(self
, dn
, repl_val
):
1866 if self
.check_expired_tombstones
:
1867 # This is not the default, it's just
1868 # used to keep dbcheck tests work with
1869 # old static provision dumps
1872 if dn
in self
.deleted_objects_containers
:
1873 # The Deleted Objects container will look like an expired
1877 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
, repl_val
)
1879 isDeleted
= self
.find_repl_attid(repl
, drsuapi
.DRSUAPI_ATTID_isDeleted
)
1881 delete_time
= samba
.nttime2unix(isDeleted
.originating_change_time
)
1882 current_time
= time
.time()
1884 tombstone_delta
= self
.tombstoneLifetime
* (24 * 60 * 60)
1886 delta
= current_time
- delete_time
1887 if delta
<= tombstone_delta
:
1890 expunge_time
= delete_time
+ tombstone_delta
1892 delta_days
= delta
/ (24 * 60 * 60)
1895 self
.report("SKIPPING additional checks on object "
1896 "%s which very recently "
1897 "became an expired tombstone (normal)" % dn
)
1898 self
.report("INFO: it is expected this will be expunged "
1899 "by the next daily task some time after %s, "
1901 % (time
.ctime(expunge_time
), delta
// (60 * 60)))
1903 self
.report("SKIPPING: object %s is an expired tombstone" % dn
)
1904 self
.report("INFO: it was expected this object would have "
1905 "been expunged soon after"
1907 % (time
.ctime(expunge_time
), delta_days
))
1909 self
.report("isDeleted: attid=0x%08x version=%d invocation=%s usn=%s (local=%s) at %s" % (
1912 isDeleted
.originating_invocation_id
,
1913 isDeleted
.originating_usn
,
1914 isDeleted
.local_usn
,
1915 time
.ctime(samba
.nttime2unix(isDeleted
.originating_change_time
))))
1916 self
.expired_tombstones
+= 1
1919 def find_changes_after_deletion(self
, repl_val
):
1920 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
, repl_val
)
1922 isDeleted
= self
.find_repl_attid(repl
, drsuapi
.DRSUAPI_ATTID_isDeleted
)
1924 delete_time
= samba
.nttime2unix(isDeleted
.originating_change_time
)
1926 tombstone_delta
= self
.tombstoneLifetime
* (24 * 60 * 60)
1929 for o
in repl
.ctr
.array
:
1930 if o
.attid
== drsuapi
.DRSUAPI_ATTID_isDeleted
:
1933 if o
.local_usn
<= isDeleted
.local_usn
:
1936 if o
.originating_change_time
<= isDeleted
.originating_change_time
:
1939 change_time
= samba
.nttime2unix(o
.originating_change_time
)
1941 delta
= change_time
- delete_time
1942 if delta
<= tombstone_delta
:
1945 # If the modification happened after the tombstone lifetime
1946 # has passed, we have a bug as the object might be deleted
1947 # already on other DCs and won't be able to replicate
1951 return found
, isDeleted
1953 def has_changes_after_deletion(self
, dn
, repl_val
):
1954 found
, isDeleted
= self
.find_changes_after_deletion(repl_val
)
1958 def report_attid(o
):
1960 attname
= self
.samdb_schema
.get_lDAPDisplayName_by_attid(o
.attid
)
1962 attname
= "<unknown:0x%x08x>" % o
.attid
1964 self
.report("%s: attid=0x%08x version=%d invocation=%s usn=%s (local=%s) at %s" % (
1965 attname
, o
.attid
, o
.version
,
1966 o
.originating_invocation_id
,
1969 time
.ctime(samba
.nttime2unix(o
.originating_change_time
))))
1971 self
.report("ERROR: object %s, has changes after deletion" % dn
)
1972 report_attid(isDeleted
)
1978 def err_changes_after_deletion(self
, dn
, repl_val
):
1979 found
, isDeleted
= self
.find_changes_after_deletion(repl_val
)
1981 in_schema_nc
= dn
.is_child_of(self
.schema_dn
)
1982 rdn_attr
= dn
.get_rdn_name()
1983 rdn_attid
= self
.samdb_schema
.get_attid_from_lDAPDisplayName(rdn_attr
,
1984 is_schema_nc
=in_schema_nc
)
1988 if o
.attid
== rdn_attid
:
1990 if o
.attid
== drsuapi
.DRSUAPI_ATTID_name
:
1992 if o
.attid
== drsuapi
.DRSUAPI_ATTID_lastKnownParent
:
1995 attname
= self
.samdb_schema
.get_lDAPDisplayName_by_attid(o
.attid
)
1997 attname
= "<unknown:0x%x08x>" % o
.attid
1998 unexpected
.append(attname
)
2000 if len(unexpected
) > 0:
2001 self
.report('Unexpeted attributes: %s' % ",".join(unexpected
))
2002 self
.report('Not fixing changes after deletion bug')
2005 if not self
.confirm_all('Delete broken tombstone object %s deleted %s days ago?' % (
2006 dn
, self
.tombstoneLifetime
), 'fix_changes_after_deletion_bug'):
2007 self
.report('Not fixing changes after deletion bug')
2010 if self
.do_delete(dn
, ["relax:0"],
2011 "Failed to remove DN %s" % dn
):
2012 self
.report("Removed DN %s" % dn
)
2014 def has_replmetadata_zero_invocationid(self
, dn
, repl_meta_data
):
2015 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
,
2020 # Search for a zero invocationID
2021 if o
.originating_invocation_id
!= misc
.GUID("00000000-0000-0000-0000-000000000000"):
2025 self
.report("""ERROR: on replPropertyMetaData of %s, the instanceType on attribute 0x%08x,
2026 version %d changed at %s is 00000000-0000-0000-0000-000000000000,
2027 but should be non-zero. Proposed fix is to set to our invocationID (%s)."""
2028 % (dn
, o
.attid
, o
.version
,
2029 time
.ctime(samba
.nttime2unix(o
.originating_change_time
)),
2030 self
.samdb
.get_invocation_id()))
2034 def err_replmetadata_zero_invocationid(self
, dn
, attr
, repl_meta_data
):
2035 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
,
2038 now
= samba
.unix2nttime(int(time
.time()))
2041 # Search for a zero invocationID
2042 if o
.originating_invocation_id
!= misc
.GUID("00000000-0000-0000-0000-000000000000"):
2046 seq
= self
.samdb
.sequence_number(ldb
.SEQ_NEXT
)
2047 o
.version
= o
.version
+ 1
2048 o
.originating_change_time
= now
2049 o
.originating_invocation_id
= misc
.GUID(self
.samdb
.get_invocation_id())
2050 o
.originating_usn
= seq
2054 replBlob
= ndr_pack(repl
)
2058 if not self
.confirm_all('Fix %s on %s by setting originating_invocation_id on some elements to our invocationID %s?'
2059 % (attr
, dn
, self
.samdb
.get_invocation_id()), 'fix_replmetadata_zero_invocationid'):
2060 self
.report('Not fixing zero originating_invocation_id in %s on %s\n' % (attr
, dn
))
2063 nmsg
= ldb
.Message()
2065 nmsg
[attr
] = ldb
.MessageElement(replBlob
, ldb
.FLAG_MOD_REPLACE
, attr
)
2066 if self
.do_modify(nmsg
, ["local_oid:%s:0" % dsdb
.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA
,
2067 "local_oid:1.3.6.1.4.1.7165.4.3.14:0"],
2068 "Failed to fix attribute %s" % attr
):
2069 self
.report("Fixed attribute '%s' of '%s'\n" % (attr
, dn
))
2071 def err_replmetadata_unknown_attid(self
, dn
, attr
, repl_meta_data
):
2072 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
,
2076 # Search for an invalid attid
2078 att
= self
.samdb_schema
.get_lDAPDisplayName_by_attid(o
.attid
)
2080 self
.report('ERROR: attributeID 0X%0X is not known in our schema, not fixing %s on %s\n' % (o
.attid
, attr
, dn
))
2083 def err_replmetadata_incorrect_attid(self
, dn
, attr
, repl_meta_data
, wrong_attids
):
2084 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
,
2089 remove_attid
= set()
2092 in_schema_nc
= dn
.is_child_of(self
.schema_dn
)
2095 # Sort the array, except for the last element. This strange
2096 # construction, creating a new list, due to bugs in samba's
2097 # array handling in IDL generated objects.
2098 ctr
.array
= sorted(ctr
.array
[:], key
=lambda o
: o
.attid
)
2099 # Now walk it in reverse, so we see the low (and so incorrect,
2100 # the correct values are above 0x80000000) values first and
2101 # remove the 'second' value we see.
2102 for o
in reversed(ctr
.array
):
2103 print("%s: 0x%08x" % (dn
, o
.attid
))
2104 att
= self
.samdb_schema
.get_lDAPDisplayName_by_attid(o
.attid
)
2105 if att
.lower() in set_att
:
2106 self
.report('ERROR: duplicate attributeID values for %s in %s on %s\n' % (att
, attr
, dn
))
2107 if not self
.confirm_all('Fix %s on %s by removing the duplicate value 0x%08x for %s (keeping 0x%08x)?'
2108 % (attr
, dn
, o
.attid
, att
, hash_att
[att
].attid
),
2109 'fix_replmetadata_duplicate_attid'):
2110 self
.report('Not fixing duplicate value 0x%08x for %s in %s on %s\n'
2111 % (o
.attid
, att
, attr
, dn
))
2114 remove_attid
.add(o
.attid
)
2115 # We want to set the metadata for the most recent
2116 # update to have been applied locally, that is the metadata
2117 # matching the (eg string) value in the attribute
2118 if o
.local_usn
> hash_att
[att
].local_usn
:
2119 # This is always what we would have sent over DRS,
2120 # because the DRS server will have sent the
2121 # msDS-IntID, but with the values from both
2122 # attribute entries.
2123 hash_att
[att
].version
= o
.version
2124 hash_att
[att
].originating_change_time
= o
.originating_change_time
2125 hash_att
[att
].originating_invocation_id
= o
.originating_invocation_id
2126 hash_att
[att
].originating_usn
= o
.originating_usn
2127 hash_att
[att
].local_usn
= o
.local_usn
2129 # Do not re-add the value to the set or overwrite the hash value
2133 set_att
.add(att
.lower())
2135 # Generate a real list we can sort on properly
2136 new_list
= [o
for o
in ctr
.array
if o
.attid
not in remove_attid
]
2138 if (len(wrong_attids
) > 0):
2140 if o
.attid
in wrong_attids
:
2141 att
= self
.samdb_schema
.get_lDAPDisplayName_by_attid(o
.attid
)
2142 correct_attid
= self
.samdb_schema
.get_attid_from_lDAPDisplayName(att
, is_schema_nc
=in_schema_nc
)
2143 self
.report('ERROR: incorrect attributeID values in %s on %s\n' % (attr
, dn
))
2144 if not self
.confirm_all('Fix %s on %s by replacing incorrect value 0x%08x for %s (new 0x%08x)?'
2145 % (attr
, dn
, o
.attid
, att
, hash_att
[att
].attid
), 'fix_replmetadata_wrong_attid'):
2146 self
.report('Not fixing incorrect value 0x%08x with 0x%08x for %s in %s on %s\n'
2147 % (o
.attid
, correct_attid
, att
, attr
, dn
))
2150 o
.attid
= correct_attid
2152 # Sort the array, (we changed the value so must re-sort)
2153 new_list
[:] = sorted(new_list
[:], key
=lambda o
: o
.attid
)
2155 # If we did not already need to fix it, then ask about sorting
2157 self
.report('ERROR: unsorted attributeID values in %s on %s\n' % (attr
, dn
))
2158 if not self
.confirm_all('Fix %s on %s by sorting the attribute list?'
2159 % (attr
, dn
), 'fix_replmetadata_unsorted_attid'):
2160 self
.report('Not fixing %s on %s\n' % (attr
, dn
))
2163 # The actual sort done is done at the top of the function
2165 ctr
.count
= len(new_list
)
2166 ctr
.array
= new_list
2167 replBlob
= ndr_pack(repl
)
2169 nmsg
= ldb
.Message()
2171 nmsg
[attr
] = ldb
.MessageElement(replBlob
, ldb
.FLAG_MOD_REPLACE
, attr
)
2172 if self
.do_modify(nmsg
, ["local_oid:%s:0" % dsdb
.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA
,
2173 "local_oid:1.3.6.1.4.1.7165.4.3.14:0",
2174 "local_oid:1.3.6.1.4.1.7165.4.3.25:0"],
2175 "Failed to fix attribute %s" % attr
):
2176 self
.report("Fixed attribute '%s' of '%s'\n" % (attr
, dn
))
2178 def is_deleted_deleted_objects(self
, obj
):
2180 if "description" not in obj
:
2181 self
.report("ERROR: description not present on Deleted Objects container %s" % obj
.dn
)
2183 if "showInAdvancedViewOnly" not in obj
or str(obj
['showInAdvancedViewOnly'][0]).upper() == 'FALSE':
2184 self
.report("ERROR: showInAdvancedViewOnly not present on Deleted Objects container %s" % obj
.dn
)
2186 if "objectCategory" not in obj
:
2187 self
.report("ERROR: objectCategory not present on Deleted Objects container %s" % obj
.dn
)
2189 if "isCriticalSystemObject" not in obj
or str(obj
['isCriticalSystemObject'][0]).upper() == 'FALSE':
2190 self
.report("ERROR: isCriticalSystemObject not present on Deleted Objects container %s" % obj
.dn
)
2192 if "isRecycled" in obj
:
2193 self
.report("ERROR: isRecycled present on Deleted Objects container %s" % obj
.dn
)
2195 if "isDeleted" in obj
and str(obj
['isDeleted'][0]).upper() == 'FALSE':
2196 self
.report("ERROR: isDeleted not set on Deleted Objects container %s" % obj
.dn
)
2198 if "objectClass" not in obj
or (len(obj
['objectClass']) != 2 or
2199 str(obj
['objectClass'][0]) != 'top' or
2200 str(obj
['objectClass'][1]) != 'container'):
2201 self
.report("ERROR: objectClass incorrectly set on Deleted Objects container %s" % obj
.dn
)
2203 if "systemFlags" not in obj
or str(obj
['systemFlags'][0]) != '-1946157056':
2204 self
.report("ERROR: systemFlags incorrectly set on Deleted Objects container %s" % obj
.dn
)
2208 def err_deleted_deleted_objects(self
, obj
):
2209 nmsg
= ldb
.Message()
2210 nmsg
.dn
= dn
= obj
.dn
2212 if "description" not in obj
:
2213 nmsg
["description"] = ldb
.MessageElement("Container for deleted objects", ldb
.FLAG_MOD_REPLACE
, "description")
2214 if "showInAdvancedViewOnly" not in obj
:
2215 nmsg
["showInAdvancedViewOnly"] = ldb
.MessageElement("TRUE", ldb
.FLAG_MOD_REPLACE
, "showInAdvancedViewOnly")
2216 if "objectCategory" not in obj
:
2217 nmsg
["objectCategory"] = ldb
.MessageElement("CN=Container,%s" % self
.schema_dn
, ldb
.FLAG_MOD_REPLACE
, "objectCategory")
2218 if "isCriticalSystemObject" not in obj
:
2219 nmsg
["isCriticalSystemObject"] = ldb
.MessageElement("TRUE", ldb
.FLAG_MOD_REPLACE
, "isCriticalSystemObject")
2220 if "isRecycled" in obj
:
2221 nmsg
["isRecycled"] = ldb
.MessageElement("TRUE", ldb
.FLAG_MOD_DELETE
, "isRecycled")
2223 nmsg
["isDeleted"] = ldb
.MessageElement("TRUE", ldb
.FLAG_MOD_REPLACE
, "isDeleted")
2224 nmsg
["systemFlags"] = ldb
.MessageElement("-1946157056", ldb
.FLAG_MOD_REPLACE
, "systemFlags")
2225 nmsg
["objectClass"] = ldb
.MessageElement(["top", "container"], ldb
.FLAG_MOD_REPLACE
, "objectClass")
2227 if not self
.confirm_all('Fix Deleted Objects container %s by restoring default attributes?'
2228 % (dn
), 'fix_deleted_deleted_objects'):
2229 self
.report('Not fixing missing/incorrect attributes on %s\n' % (dn
))
2232 if self
.do_modify(nmsg
, ["relax:0"],
2233 "Failed to fix Deleted Objects container %s" % dn
):
2234 self
.report("Fixed Deleted Objects container '%s'\n" % (dn
))
2236 def err_replica_locations(self
, obj
, cross_ref
, attr
):
2237 nmsg
= ldb
.Message()
2239 target
= self
.samdb
.get_dsServiceName()
2241 if self
.samdb
.am_rodc():
2242 self
.report('Not fixing %s %s for the RODC' % (attr
, obj
.dn
))
2245 if not self
.confirm_all('Add yourself to the replica locations for %s?'
2246 % (obj
.dn
), 'fix_replica_locations'):
2247 self
.report('Not fixing missing/incorrect attributes on %s\n' % (obj
.dn
))
2250 nmsg
[attr
] = ldb
.MessageElement(target
, ldb
.FLAG_MOD_ADD
, attr
)
2251 if self
.do_modify(nmsg
, [], "Failed to add %s for %s" % (attr
, obj
.dn
)):
2252 self
.report("Fixed %s for %s" % (attr
, obj
.dn
))
2254 def is_fsmo_role(self
, dn
):
2255 if dn
== self
.samdb
.domain_dn
:
2257 if dn
== self
.infrastructure_dn
:
2259 if dn
== self
.naming_dn
:
2261 if dn
== self
.schema_dn
:
2263 if dn
== self
.rid_dn
:
2268 def calculate_instancetype(self
, dn
):
2270 nc_root
= self
.samdb
.get_nc_root(dn
)
2272 instancetype |
= dsdb
.INSTANCE_TYPE_IS_NC_HEAD
2274 self
.samdb
.search(base
=dn
.parent(), scope
=ldb
.SCOPE_BASE
, attrs
=[], controls
=["show_recycled:1"])
2275 except ldb
.LdbError
as e4
:
2276 (enum
, estr
) = e4
.args
2277 if enum
!= ldb
.ERR_NO_SUCH_OBJECT
:
2280 instancetype |
= dsdb
.INSTANCE_TYPE_NC_ABOVE
2281 if self
.write_ncs
is not None and str(nc_root
) in [str(x
) for x
in self
.write_ncs
]:
2282 instancetype |
= dsdb
.INSTANCE_TYPE_WRITE
2286 def get_wellknown_sd(self
, dn
):
2287 for [sd_dn
, descriptor_fn
] in self
.wellknown_sds
:
2289 domain_sid
= security
.dom_sid(self
.samdb
.get_domain_sid())
2290 return ndr_unpack(security
.descriptor
,
2291 descriptor_fn(domain_sid
,
2292 name_map
=self
.name_map
))
2296 def find_checkable_attrs(self
, dn
, requested_attrs
):
2297 """A helper function for check_object() that calculates the list of
2298 attributes that need to be checked, and returns that as a list
2299 in the original case, and a set normalised to lowercase (for
2300 easy existence checks).
2302 if requested_attrs
is None:
2305 attrs
= list(requested_attrs
)
2307 lc_attrs
= set(x
.lower() for x
in attrs
)
2310 if a
.lower() not in lc_attrs
:
2312 lc_attrs
.add(a
.lower())
2314 if ("dn" in lc_attrs
or
2315 "distinguishedname" in lc_attrs
or
2316 dn
.get_rdn_name().lower() in lc_attrs
):
2317 attrs
.append("name")
2318 lc_attrs
.add('name')
2320 if 'name' in lc_attrs
:
2321 for a
in (dn
.get_rdn_name(),
2326 need_replPropertyMetaData
= False
2328 need_replPropertyMetaData
= True
2331 linkID
, _
= self
.get_attr_linkID_and_reverse_name(a
)
2336 need_replPropertyMetaData
= True
2338 if need_replPropertyMetaData
:
2339 add_attr("replPropertyMetaData")
2341 add_attr("objectGUID")
2343 return attrs
, lc_attrs
2345 def check_object(self
, dn
, requested_attrs
=None):
2346 """check one object"""
2348 self
.report("Checking object %s" % dn
)
2350 # search attrs are used to find the attributes, lc_attrs are
2351 # used for existence checks
2352 search_attrs
, lc_attrs
= self
.find_checkable_attrs(dn
, requested_attrs
)
2356 sd_flags |
= security
.SECINFO_OWNER
2357 sd_flags |
= security
.SECINFO_GROUP
2358 sd_flags |
= security
.SECINFO_DACL
2359 sd_flags |
= security
.SECINFO_SACL
2361 res
= self
.samdb
.search(base
=dn
, scope
=ldb
.SCOPE_BASE
,
2366 "sd_flags:1:%d" % sd_flags
,
2367 "reveal_internals:0",
2370 except ldb
.LdbError
as e10
:
2371 (enum
, estr
) = e10
.args
2372 if enum
== ldb
.ERR_NO_SUCH_OBJECT
:
2373 if self
.in_transaction
:
2374 self
.report("ERROR: Object %s disappeared during check" % dn
)
2379 self
.report("ERROR: Object %s failed to load during check" % dn
)
2383 set_attrs_from_md
= set()
2384 set_attrs_seen
= set()
2385 got_objectclass
= False
2387 nc_dn
= self
.samdb
.get_nc_root(obj
.dn
)
2389 deleted_objects_dn
= self
.get_wellknown_dn_cached(nc_dn
,
2390 samba
.dsdb
.DS_GUID_DELETED_OBJECTS_CONTAINER
)
2392 # We have no deleted objects DN for schema, and we check for this above for the other
2394 deleted_objects_dn
= None
2396 object_rdn_attr
= None
2397 object_rdn_val
= None
2401 repl_meta_data_val
= None
2403 for attrname
in obj
:
2404 if attrname
.lower() == 'isdeleted':
2405 if str(obj
[attrname
][0]) != "FALSE":
2408 if attrname
.lower() == 'systemflags':
2409 systemFlags
= int(obj
[attrname
][0])
2411 if attrname
.lower() == 'replpropertymetadata':
2412 repl_meta_data_val
= obj
[attrname
][0]
2414 if isDeleted
and repl_meta_data_val
:
2415 if self
.has_changes_after_deletion(dn
, repl_meta_data_val
):
2417 self
.err_changes_after_deletion(dn
, repl_meta_data_val
)
2419 if self
.is_expired_tombstone(dn
, repl_meta_data_val
):
2422 for attrname
in obj
:
2423 if attrname
== 'dn' or attrname
== "distinguishedName":
2426 if attrname
.lower() == 'objectclass':
2427 got_objectclass
= True
2429 if attrname
.lower() == "name":
2430 if len(obj
[attrname
]) != 1:
2431 self
.unfixable_errors
+= 1
2432 self
.report("ERROR: Not fixing num_values(%d) for '%s' on '%s'" %
2433 (len(obj
[attrname
]), attrname
, str(obj
.dn
)))
2435 name_val
= str(obj
[attrname
][0])
2437 if attrname
.lower() == str(obj
.dn
.get_rdn_name()).lower():
2438 object_rdn_attr
= attrname
2439 if len(obj
[attrname
]) != 1:
2440 self
.unfixable_errors
+= 1
2441 self
.report("ERROR: Not fixing num_values(%d) for '%s' on '%s'" %
2442 (len(obj
[attrname
]), attrname
, str(obj
.dn
)))
2444 object_rdn_val
= str(obj
[attrname
][0])
2446 if attrname
.lower() == 'replpropertymetadata':
2447 if self
.has_replmetadata_zero_invocationid(dn
, obj
[attrname
][0]):
2449 self
.err_replmetadata_zero_invocationid(dn
, attrname
, obj
[attrname
][0])
2450 # We don't continue, as we may also have other fixes for this attribute
2451 # based on what other attributes we see.
2454 (set_attrs_from_md
, list_attid_from_md
, wrong_attids
) \
2455 = self
.process_metadata(dn
, obj
[attrname
][0])
2458 self
.err_replmetadata_unknown_attid(dn
, attrname
, obj
[attrname
])
2461 if len(set_attrs_from_md
) < len(list_attid_from_md
) \
2462 or len(wrong_attids
) > 0 \
2463 or sorted(list_attid_from_md
) != list_attid_from_md
:
2465 self
.err_replmetadata_incorrect_attid(dn
, attrname
, obj
[attrname
][0], wrong_attids
)
2468 # Here we check that the first attid is 0
2470 if list_attid_from_md
[0] != 0:
2471 self
.unfixable_errors
+= 1
2472 self
.report("ERROR: Not fixing incorrect initial attributeID in '%s' on '%s', it should be objectClass" %
2473 (attrname
, str(dn
)))
2477 if attrname
.lower() == 'ntsecuritydescriptor':
2478 (sd
, sd_broken
) = self
.process_sd(dn
, obj
)
2479 if sd_broken
is not None:
2480 self
.err_wrong_sd(dn
, sd
, sd_broken
)
2484 if sd
.owner_sid
is None or sd
.group_sid
is None:
2485 self
.err_missing_sd_owner(dn
, sd
)
2489 if dn
== deleted_objects_dn
or self
.reset_well_known_acls
:
2491 well_known_sd
= self
.get_wellknown_sd(dn
)
2495 current_sd
= ndr_unpack(security
.descriptor
,
2498 ignoreAdditionalACEs
= False
2499 if not self
.reset_well_known_acls
:
2500 ignoreAdditionalACEs
= True
2502 diff
= get_diff_sds(well_known_sd
, current_sd
,
2503 security
.dom_sid(self
.samdb
.get_domain_sid()),
2504 ignoreAdditionalACEs
=ignoreAdditionalACEs
)
2506 self
.err_wrong_default_sd(dn
, well_known_sd
, diff
)
2511 if attrname
.lower() == 'objectclass':
2512 normalised
= self
.samdb
.dsdb_normalise_attributes(self
.samdb_schema
, attrname
, obj
[attrname
])
2513 # Do not consider the attribute incorrect if:
2514 # - The sorted (alphabetically) list is the same, including case
2515 # - The first and last elements are the same
2517 # This avoids triggering an error due to
2518 # non-determinism in the sort routine in (at least)
2519 # 4.3 and earlier, and the fact that any AUX classes
2520 # in these attributes are also not sorted when
2521 # imported from Windows (they are just in the reverse
2522 # order of last set)
2523 if sorted(normalised
) != sorted(obj
[attrname
]) \
2524 or normalised
[0] != obj
[attrname
][0] \
2525 or normalised
[-1] != obj
[attrname
][-1]:
2526 self
.err_normalise_mismatch_replace(dn
, attrname
, list(obj
[attrname
]))
2530 if attrname
.lower() == 'userparameters':
2531 userparams
= obj
[attrname
][0]
2532 if userparams
== b
' ':
2534 self
.err_short_userParameters(obj
, attrname
, obj
[attrname
])
2537 elif userparams
[:16] == b
'\x20\x00' * 8:
2538 # This is the correct, normal prefix
2541 elif userparams
[:20] == b
'IAAgACAAIAAgACAAIAAg':
2542 # this is the typical prefix from a windows migration
2544 self
.err_base64_userParameters(obj
, attrname
, obj
[attrname
])
2547 #43:00:00:00:74:00:00:00:78
2548 elif (userparams
[1] != 0 and
2549 userparams
[3] != 0 and
2550 userparams
[5] != 0 and
2551 userparams
[7] != 0 and
2552 userparams
[9] != 0):
2553 # This is a prefix that is not in UTF-16 format
2554 # for the space or munged dialback prefix
2556 self
.err_utf8_userParameters(obj
, attrname
, obj
[attrname
])
2559 elif len(userparams
) % 2 != 0:
2560 # This is a value that isn't even in length
2562 self
.err_odd_userParameters(obj
, attrname
)
2565 elif (userparams
[1] == 0 and
2566 userparams
[2] == 0 and
2567 userparams
[3] == 0 and
2568 userparams
[4] != 0 and
2569 userparams
[5] == 0):
2570 # This is a prefix that would happen if a
2571 # SAMR-written value was replicated from a Samba
2572 # 4.1 server to a working server
2574 self
.err_doubled_userParameters(obj
, attrname
, obj
[attrname
])
2577 if attrname
.lower() == 'attributeid' or attrname
.lower() == 'governsid':
2578 if obj
[attrname
][0] in self
.attribute_or_class_ids
:
2579 self
.unfixable_errors
+= 1
2580 self
.report('Error: %s %s on %s already exists as an attributeId or governsId'
2581 % (attrname
, obj
.dn
, obj
[attrname
][0]))
2583 self
.attribute_or_class_ids
.add(obj
[attrname
][0])
2585 # check for empty attributes
2586 for val
in obj
[attrname
]:
2588 self
.err_empty_attribute(dn
, attrname
)
2592 # get the syntax oid for the attribute, so we can can have
2593 # special handling for some specific attribute types
2595 syntax_oid
= self
.samdb_schema
.get_syntax_oid_from_lDAPDisplayName(attrname
)
2596 except Exception as msg
:
2597 self
.err_unknown_attribute(obj
, attrname
)
2601 linkID
, reverse_link_name
= self
.get_attr_linkID_and_reverse_name(attrname
)
2603 flag
= self
.samdb_schema
.get_systemFlags_from_lDAPDisplayName(attrname
)
2604 if (not flag
& dsdb
.DS_FLAG_ATTR_NOT_REPLICATED
2605 and not flag
& dsdb
.DS_FLAG_ATTR_IS_CONSTRUCTED
2607 set_attrs_seen
.add(attrname
.lower())
2609 if syntax_oid
in [dsdb
.DSDB_SYNTAX_BINARY_DN
, dsdb
.DSDB_SYNTAX_OR_NAME
,
2610 dsdb
.DSDB_SYNTAX_STRING_DN
, ldb
.SYNTAX_DN
]:
2611 # it's some form of DN, do specialised checking on those
2612 error_count
+= self
.check_dn(obj
, attrname
, syntax_oid
)
2616 # check for incorrectly normalised attributes
2617 for val
in obj
[attrname
]:
2620 normalised
= self
.samdb
.dsdb_normalise_attributes(self
.samdb_schema
, attrname
, [val
])
2621 if len(normalised
) != 1 or normalised
[0] != val
:
2622 self
.err_normalise_mismatch(dn
, attrname
, obj
[attrname
])
2626 if len(obj
[attrname
]) != len(values
):
2627 self
.err_duplicate_values(dn
, attrname
, obj
[attrname
], list(values
))
2631 if attrname
.lower() == "instancetype":
2632 calculated_instancetype
= self
.calculate_instancetype(dn
)
2633 if len(obj
["instanceType"]) != 1 or int(obj
["instanceType"][0]) != calculated_instancetype
:
2635 self
.err_wrong_instancetype(obj
, calculated_instancetype
)
2637 if not got_objectclass
and ("*" in lc_attrs
or "objectclass" in lc_attrs
):
2639 self
.err_missing_objectclass(dn
)
2641 if ("*" in lc_attrs
or "name" in lc_attrs
):
2642 if name_val
is None:
2643 self
.unfixable_errors
+= 1
2644 self
.report("ERROR: Not fixing missing 'name' on '%s'" % (str(obj
.dn
)))
2645 if object_rdn_attr
is None:
2646 self
.unfixable_errors
+= 1
2647 self
.report("ERROR: Not fixing missing '%s' on '%s'" % (obj
.dn
.get_rdn_name(), str(obj
.dn
)))
2649 if name_val
is not None:
2651 controls
= ["show_recycled:1", "relax:0"]
2653 if not (systemFlags
& samba
.dsdb
.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE
):
2654 parent_dn
= deleted_objects_dn
2655 controls
+= ["local_oid:%s:1" % dsdb
.DSDB_CONTROL_DBCHECK_FIX_LINK_DN_NAME
]
2656 if parent_dn
is None:
2657 parent_dn
= obj
.dn
.parent()
2660 expected_dn
= ldb
.Dn(self
.samdb
, "RDN=RDN,%s" % (parent_dn
))
2661 except ValueError as e
:
2662 self
.unfixable_errors
+= 1
2663 self
.report(f
"ERROR: could not handle parent DN '{parent_dn}': "
2664 "skipping RDN checks")
2666 expected_dn
.set_component(0, obj
.dn
.get_rdn_name(), name_val
)
2668 if obj
.dn
== deleted_objects_dn
:
2669 expected_dn
= obj
.dn
2671 if expected_dn
!= obj
.dn
:
2673 self
.err_wrong_dn(obj
, expected_dn
, object_rdn_attr
,
2674 object_rdn_val
, name_val
, controls
)
2675 elif obj
.dn
.get_rdn_value() != object_rdn_val
:
2676 self
.unfixable_errors
+= 1
2677 self
.report("ERROR: Not fixing %s=%r on '%s'" % (object_rdn_attr
,
2682 if repl_meta_data_val
:
2683 if obj
.dn
== deleted_objects_dn
:
2684 isDeletedAttId
= 131120
2685 # It's 29/12/9999 at 23:59:59 UTC as specified in MS-ADTS 7.1.1.4.2 Deleted Objects Container
2687 expectedTimeDo
= 2650466015990000000
2688 originating
= self
.get_originating_time(repl_meta_data_val
, isDeletedAttId
)
2689 if originating
!= expectedTimeDo
:
2690 if self
.confirm_all("Fix isDeleted originating_change_time on '%s'" % str(dn
), 'fix_time_metadata'):
2691 nmsg
= ldb
.Message()
2693 nmsg
["isDeleted"] = ldb
.MessageElement("TRUE", ldb
.FLAG_MOD_REPLACE
, "isDeleted")
2695 self
.samdb
.modify(nmsg
, controls
=["provision:0"])
2698 self
.report("Not fixing isDeleted originating_change_time on '%s'" % str(dn
))
2700 for att
in set_attrs_seen
.difference(set_attrs_from_md
):
2702 self
.report("On object %s" % dn
)
2705 self
.report("ERROR: Attribute %s not present in replication metadata" % att
)
2706 if not self
.confirm_all("Fix missing replPropertyMetaData element '%s'" % att
, 'fix_all_metadata'):
2707 self
.report("Not fixing missing replPropertyMetaData element '%s'" % att
)
2709 self
.fix_metadata(obj
, att
)
2711 if self
.is_fsmo_role(dn
):
2712 if "fSMORoleOwner" not in obj
and ("*" in lc_attrs
or "fsmoroleowner" in lc_attrs
):
2713 self
.err_no_fsmoRoleOwner(obj
)
2717 if dn
!= self
.samdb
.get_root_basedn() and str(dn
.parent()) not in self
.dn_set
:
2718 res
= self
.samdb
.search(base
=dn
.parent(), scope
=ldb
.SCOPE_BASE
,
2719 controls
=["show_recycled:1", "show_deleted:1"])
2720 except ldb
.LdbError
as e11
:
2721 (enum
, estr
) = e11
.args
2722 if enum
== ldb
.ERR_NO_SUCH_OBJECT
:
2724 self
.report("WARNING: parent object not found for %s" % (obj
.dn
))
2725 self
.report("Not moving to LostAndFound "
2726 "(tombstone garbage collection in progress?)")
2728 self
.err_missing_parent(obj
)
2733 if dn
in self
.deleted_objects_containers
and '*' in lc_attrs
:
2734 if self
.is_deleted_deleted_objects(obj
):
2735 self
.err_deleted_deleted_objects(obj
)
2738 for (dns_part
, msg
) in self
.dns_partitions
:
2739 if dn
== dns_part
and 'repsFrom' in obj
:
2740 location
= "msDS-NC-Replica-Locations"
2741 if self
.samdb
.am_rodc():
2742 location
= "msDS-NC-RO-Replica-Locations"
2744 if location
not in msg
:
2745 # There are no replica locations!
2746 self
.err_replica_locations(obj
, msg
.dn
, location
)
2751 for loc
in msg
[location
]:
2752 if str(loc
) == self
.samdb
.get_dsServiceName():
2755 # This DC is not in the replica locations
2756 self
.err_replica_locations(obj
, msg
.dn
, location
)
2759 if dn
== self
.server_ref_dn
:
2760 # Check we have a valid RID Set
2761 if "*" in lc_attrs
or "ridsetreferences" in lc_attrs
:
2762 if "rIDSetReferences" not in obj
:
2763 # NO RID SET reference
2764 # We are RID master, allocate it.
2767 if self
.is_rid_master
:
2768 # Allocate a RID Set
2769 if self
.confirm_all('Allocate the missing RID set for '
2771 'fix_missing_rid_set_master'):
2773 # We don't have auto-transaction logic on
2774 # extended operations, so we have to do it
2777 self
.samdb
.transaction_start()
2780 self
.samdb
.create_own_rid_set()
2783 self
.samdb
.transaction_cancel()
2786 self
.samdb
.transaction_commit()
2788 elif not self
.samdb
.am_rodc():
2789 self
.report("No RID Set found for this server: %s, "
2790 "and we are not the RID Master (so can "
2791 "not self-allocate)" % dn
)
2793 # Check some details of our own RID Set
2795 # Note that the attributes have very bad names. From ridalloc.c:
2797 # Note: the RID allocation attributes in AD are very badly named.
2798 # Here is what we think they really do:
2800 # in RID Set object:
2801 # - rIDPreviousAllocationPool: the pool which a DC is currently
2802 # pulling RIDs from. Managed by client DC
2804 # - rIDAllocationPool: the pool that the DC will switch to next,
2805 # when rIDPreviousAllocationPool is exhausted. Managed by RID
2808 # - rIDNextRID: the last RID allocated by this DC. Managed by
2811 # in RID Manager object:
2812 # - rIDAvailablePool: the pool where the RID Manager gets new rID
2813 # pools from when it gets a EXOP_RID_ALLOC getncchanges call
2814 # (or locally when the DC is the RID Manager)
2816 if dn
== self
.rid_set_dn
:
2817 pool_attrs
= ["rIDAllocationPool", "rIDPreviousAllocationPool"]
2819 res
= self
.samdb
.search(base
=self
.rid_set_dn
, scope
=ldb
.SCOPE_BASE
,
2822 for pool_attr
in pool_attrs
:
2823 if pool_attr
not in res
[0]:
2826 pool
= int(res
[0][pool_attr
][0])
2829 low
= 0xFFFFFFFF & pool
2831 if pool
!= 0 and low
>= high
:
2832 self
.report("Invalid RID pool %d-%d, %d >= %d!" %
2833 (low
, high
, low
, high
))
2834 self
.unfixable_errors
+= 1
2836 if "rIDAllocationPool" not in res
[0]:
2837 self
.report("No rIDAllocationPool found in %s" % dn
)
2838 self
.unfixable_errors
+= 1
2841 next_free_rid
, high
= self
.samdb
.free_rid_bounds()
2842 except ldb
.LdbError
as err
:
2843 enum
, estr
= err
.args
2844 self
.report("Couldn't get available RIDs: %s" % estr
)
2845 self
.unfixable_errors
+= 1
2847 # Check the remainder of this pool for conflicts. If
2848 # ridalloc_allocate_rid() moves to a new pool, this
2849 # will be above high, so we will stop.
2850 domain_sid
= self
.samdb
.get_domain_sid()
2851 while next_free_rid
<= high
:
2852 sid
= "%s-%d" % (domain_sid
, next_free_rid
)
2854 res
= self
.samdb
.search(base
="<SID=%s>" % sid
,
2855 scope
=ldb
.SCOPE_BASE
,
2857 except ldb
.LdbError
as e
:
2858 (enum
, estr
) = e
.args
2859 if enum
!= ldb
.ERR_NO_SUCH_OBJECT
:
2863 self
.report("SID %s for %s conflicts with our current "
2864 "RID set in %s" % (sid
, res
[0].dn
, dn
))
2867 if self
.confirm_all('Fix conflict between SID %s and '
2868 'RID pool in %s by allocating a '
2871 'fix_sid_rid_set_conflict'):
2872 self
.samdb
.transaction_start()
2874 # This will burn RIDs, which will move
2875 # past the conflict. We then check again
2876 # to see if the new RID conflicts, until
2877 # the end of the current pool. We don't
2878 # look at the next pool to avoid burning
2879 # all RIDs in one go in some strange
2883 allocated_rid
= self
.samdb
.allocate_rid()
2884 if allocated_rid
>= next_free_rid
:
2885 next_free_rid
= allocated_rid
+ 1
2888 self
.samdb
.transaction_cancel()
2891 self
.samdb
.transaction_commit()
2899 ################################################################
2900 # check special @ROOTDSE attributes
2901 def check_rootdse(self
):
2902 """check the @ROOTDSE special object"""
2903 dn
= ldb
.Dn(self
.samdb
, '@ROOTDSE')
2905 self
.report("Checking object %s" % dn
)
2906 res
= self
.samdb
.search(base
=dn
, scope
=ldb
.SCOPE_BASE
)
2908 self
.report("Object %s disappeared during check" % dn
)
2913 # check that the dsServiceName is in GUID form
2914 if 'dsServiceName' not in obj
:
2915 self
.report('ERROR: dsServiceName missing in @ROOTDSE')
2916 return error_count
+ 1
2918 if not str(obj
['dsServiceName'][0]).startswith('<GUID='):
2919 self
.report('ERROR: dsServiceName not in GUID form in @ROOTDSE')
2921 if not self
.confirm('Change dsServiceName to GUID form?'):
2923 res
= self
.samdb
.search(base
=ldb
.Dn(self
.samdb
, obj
['dsServiceName'][0].decode('utf8')),
2924 scope
=ldb
.SCOPE_BASE
, attrs
=['objectGUID'])
2925 guid_str
= str(ndr_unpack(misc
.GUID
, res
[0]['objectGUID'][0]))
2928 m
['dsServiceName'] = ldb
.MessageElement("<GUID=%s>" % guid_str
,
2929 ldb
.FLAG_MOD_REPLACE
, 'dsServiceName')
2930 if self
.do_modify(m
, [], "Failed to change dsServiceName to GUID form", validate
=False):
2931 self
.report("Changed dsServiceName to GUID form")
2934 ###############################################
2935 # re-index the database
2937 def reindex_database(self
):
2938 """re-index the whole database"""
2940 m
.dn
= ldb
.Dn(self
.samdb
, "@ATTRIBUTES")
2941 m
['add'] = ldb
.MessageElement('NONE', ldb
.FLAG_MOD_ADD
, 'force_reindex')
2942 m
['delete'] = ldb
.MessageElement('NONE', ldb
.FLAG_MOD_DELETE
, 'force_reindex')
2943 return self
.do_modify(m
, [], 're-indexed database', validate
=False)
2945 ###############################################
2947 def reset_modules(self
):
2948 """reset @MODULES to that needed for current sam.ldb (to read a very old database)"""
2950 m
.dn
= ldb
.Dn(self
.samdb
, "@MODULES")
2951 m
['@LIST'] = ldb
.MessageElement('samba_dsdb', ldb
.FLAG_MOD_REPLACE
, '@LIST')
2952 return self
.do_modify(m
, [], 'reset @MODULES on database', validate
=False)