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authorJelmer Vernooij <jelmer@samba.org>2012-12-28 15:37:14 +0100
committerAndrew Bartlett <abartlet@samba.org>2013-03-02 03:57:34 +0100
commit87afc3aee1ea593069322a49355dd8780d99e123 (patch)
tree8e1ea6678d93b53f21b34c4940b7d5a64e0f5020 /source4/scripting/python/samba/dbchecker.py
parent80fce353e740c793619005ac102ab07fb5e7d280 (diff)
downloadsamba-87afc3aee1ea593069322a49355dd8780d99e123.tar.gz
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Move python modules from source4/scripting/python/ to python/.
Reviewed-by: Andrew Bartlett <abartlet@samba.org> Autobuild-User(master): Andrew Bartlett <abartlet@samba.org> Autobuild-Date(master): Sat Mar 2 03:57:34 CET 2013 on sn-devel-104
Diffstat (limited to 'source4/scripting/python/samba/dbchecker.py')
-rw-r--r--source4/scripting/python/samba/dbchecker.py947
1 files changed, 0 insertions, 947 deletions
diff --git a/source4/scripting/python/samba/dbchecker.py b/source4/scripting/python/samba/dbchecker.py
deleted file mode 100644
index 06fd82752f7..00000000000
--- a/source4/scripting/python/samba/dbchecker.py
+++ /dev/null
@@ -1,947 +0,0 @@
-# Samba4 AD database checker
-#
-# Copyright (C) Andrew Tridgell 2011
-# Copyright (C) Matthieu Patou <mat@matws.net> 2011
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-
-import ldb
-from samba import dsdb
-from samba import common
-from samba.dcerpc import misc
-from samba.ndr import ndr_unpack, ndr_pack
-from samba.dcerpc import drsblobs
-from samba.common import dsdb_Dn
-from samba.dcerpc import security
-
-
-class dbcheck(object):
- """check a SAM database for errors"""
-
- def __init__(self, samdb, samdb_schema=None, verbose=False, fix=False,
- yes=False, quiet=False, in_transaction=False):
- self.samdb = samdb
- self.dict_oid_name = None
- self.samdb_schema = (samdb_schema or samdb)
- self.verbose = verbose
- self.fix = fix
- self.yes = yes
- self.quiet = quiet
- self.remove_all_unknown_attributes = False
- self.remove_all_empty_attributes = False
- self.fix_all_normalisation = False
- self.fix_all_DN_GUIDs = False
- self.remove_all_deleted_DN_links = False
- self.fix_all_target_mismatch = False
- self.fix_all_metadata = False
- self.fix_time_metadata = False
- self.fix_all_missing_backlinks = False
- self.fix_all_orphaned_backlinks = False
- self.fix_rmd_flags = False
- self.fix_ntsecuritydescriptor = False
- self.seize_fsmo_role = False
- self.move_to_lost_and_found = False
- self.fix_instancetype = False
- self.in_transaction = in_transaction
- self.infrastructure_dn = ldb.Dn(samdb, "CN=Infrastructure," + samdb.domain_dn())
- self.naming_dn = ldb.Dn(samdb, "CN=Partitions,%s" % samdb.get_config_basedn())
- self.schema_dn = samdb.get_schema_basedn()
- self.rid_dn = ldb.Dn(samdb, "CN=RID Manager$,CN=System," + samdb.domain_dn())
- self.ntds_dsa = samdb.get_dsServiceName()
- self.class_schemaIDGUID = {}
-
- res = self.samdb.search(base=self.ntds_dsa, scope=ldb.SCOPE_BASE, attrs=['msDS-hasMasterNCs', 'hasMasterNCs'])
- if "msDS-hasMasterNCs" in res[0]:
- self.write_ncs = res[0]["msDS-hasMasterNCs"]
- else:
- # If the Forest Level is less than 2003 then there is no
- # msDS-hasMasterNCs, so we fall back to hasMasterNCs
- # no need to merge as all the NCs that are in hasMasterNCs must
- # also be in msDS-hasMasterNCs (but not the opposite)
- if "hasMasterNCs" in res[0]:
- self.write_ncs = res[0]["hasMasterNCs"]
- else:
- self.write_ncs = None
-
-
- def check_database(self, DN=None, scope=ldb.SCOPE_SUBTREE, controls=[], attrs=['*']):
- '''perform a database check, returning the number of errors found'''
-
- res = self.samdb.search(base=DN, scope=scope, attrs=['dn'], controls=controls)
- self.report('Checking %u objects' % len(res))
- error_count = 0
-
- for object in res:
- error_count += self.check_object(object.dn, attrs=attrs)
-
- if DN is None:
- error_count += self.check_rootdse()
-
- if error_count != 0 and not self.fix:
- self.report("Please use --fix to fix these errors")
-
- self.report('Checked %u objects (%u errors)' % (len(res), error_count))
- return error_count
-
- def report(self, msg):
- '''print a message unless quiet is set'''
- if not self.quiet:
- print(msg)
-
- def confirm(self, msg, allow_all=False, forced=False):
- '''confirm a change'''
- if not self.fix:
- return False
- if self.quiet:
- return self.yes
- if self.yes:
- forced = True
- return common.confirm(msg, forced=forced, allow_all=allow_all)
-
- ################################################################
- # a local confirm function with support for 'all'
- def confirm_all(self, msg, all_attr):
- '''confirm a change with support for "all" '''
- if not self.fix:
- return False
- if self.quiet:
- return self.yes
- if getattr(self, all_attr) == 'NONE':
- return False
- if getattr(self, all_attr) == 'ALL':
- forced = True
- else:
- forced = self.yes
- c = common.confirm(msg, forced=forced, allow_all=True)
- if c == 'ALL':
- setattr(self, all_attr, 'ALL')
- return True
- if c == 'NONE':
- setattr(self, all_attr, 'NONE')
- return False
- return c
-
- def do_modify(self, m, controls, msg, validate=True):
- '''perform a modify with optional verbose output'''
- if self.verbose:
- self.report(self.samdb.write_ldif(m, ldb.CHANGETYPE_MODIFY))
- try:
- controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
- self.samdb.modify(m, controls=controls, validate=validate)
- except Exception, err:
- self.report("%s : %s" % (msg, err))
- return False
- return True
-
- def do_rename(self, from_dn, to_rdn, to_base, controls, msg):
- '''perform a modify with optional verbose output'''
- if self.verbose:
- self.report("""dn: %s
-changeType: modrdn
-newrdn: %s
-deleteOldRdn: 1
-newSuperior: %s""" % (str(from_dn), str(to_rdn), str(to_base)))
- try:
- to_dn = to_rdn + to_base
- controls = controls + ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK]
- self.samdb.rename(from_dn, to_dn, controls=controls)
- except Exception, err:
- self.report("%s : %s" % (msg, err))
- return False
- return True
-
- def err_empty_attribute(self, dn, attrname):
- '''fix empty attributes'''
- self.report("ERROR: Empty attribute %s in %s" % (attrname, dn))
- if not self.confirm_all('Remove empty attribute %s from %s?' % (attrname, dn), 'remove_all_empty_attributes'):
- self.report("Not fixing empty attribute %s" % attrname)
- return
-
- m = ldb.Message()
- m.dn = dn
- m[attrname] = ldb.MessageElement('', ldb.FLAG_MOD_DELETE, attrname)
- if self.do_modify(m, ["relax:0", "show_recycled:1"],
- "Failed to remove empty attribute %s" % attrname, validate=False):
- self.report("Removed empty attribute %s" % attrname)
-
- def err_normalise_mismatch(self, dn, attrname, values):
- '''fix attribute normalisation errors'''
- self.report("ERROR: Normalisation error for attribute %s in %s" % (attrname, dn))
- mod_list = []
- for val in values:
- normalised = self.samdb.dsdb_normalise_attributes(
- self.samdb_schema, attrname, [val])
- if len(normalised) != 1:
- self.report("Unable to normalise value '%s'" % val)
- mod_list.append((val, ''))
- elif (normalised[0] != val):
- self.report("value '%s' should be '%s'" % (val, normalised[0]))
- mod_list.append((val, normalised[0]))
- if not self.confirm_all('Fix normalisation for %s from %s?' % (attrname, dn), 'fix_all_normalisation'):
- self.report("Not fixing attribute %s" % attrname)
- return
-
- m = ldb.Message()
- m.dn = dn
- for i in range(0, len(mod_list)):
- (val, nval) = mod_list[i]
- m['value_%u' % i] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
- if nval != '':
- m['normv_%u' % i] = ldb.MessageElement(nval, ldb.FLAG_MOD_ADD,
- attrname)
-
- if self.do_modify(m, ["relax:0", "show_recycled:1"],
- "Failed to normalise attribute %s" % attrname,
- validate=False):
- self.report("Normalised attribute %s" % attrname)
-
- def err_normalise_mismatch_replace(self, dn, attrname, values):
- '''fix attribute normalisation errors'''
- normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, values)
- self.report("ERROR: Normalisation error for attribute '%s' in '%s'" % (attrname, dn))
- self.report("Values/Order of values do/does not match: %s/%s!" % (values, list(normalised)))
- if list(normalised) == values:
- return
- if not self.confirm_all("Fix normalisation for '%s' from '%s'?" % (attrname, dn), 'fix_all_normalisation'):
- self.report("Not fixing attribute '%s'" % attrname)
- return
-
- m = ldb.Message()
- m.dn = dn
- m[attrname] = ldb.MessageElement(normalised, ldb.FLAG_MOD_REPLACE, attrname)
-
- if self.do_modify(m, ["relax:0", "show_recycled:1"],
- "Failed to normalise attribute %s" % attrname,
- validate=False):
- self.report("Normalised attribute %s" % attrname)
-
- def is_deleted_objects_dn(self, dsdb_dn):
- '''see if a dsdb_Dn is the special Deleted Objects DN'''
- return dsdb_dn.prefix == "B:32:18E2EA80684F11D2B9AA00C04F79F805:"
-
- def err_deleted_dn(self, dn, attrname, val, dsdb_dn, correct_dn):
- """handle a DN pointing to a deleted object"""
- self.report("ERROR: target DN is deleted for %s in object %s - %s" % (attrname, dn, val))
- self.report("Target GUID points at deleted DN %s" % correct_dn)
- if not self.confirm_all('Remove DN link?', 'remove_all_deleted_DN_links'):
- self.report("Not removing")
- return
- m = ldb.Message()
- m.dn = dn
- m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
- if self.do_modify(m, ["show_recycled:1", "local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK],
- "Failed to remove deleted DN attribute %s" % attrname):
- self.report("Removed deleted DN on attribute %s" % attrname)
-
- def err_missing_dn_GUID(self, dn, attrname, val, dsdb_dn):
- """handle a missing target DN (both GUID and DN string form are missing)"""
- # check if its a backlink
- linkID = self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)
- if (linkID & 1 == 0) and str(dsdb_dn).find('DEL\\0A') == -1:
- self.report("Not removing dangling forward link")
- return
- self.err_deleted_dn(dn, attrname, val, dsdb_dn, dsdb_dn)
-
- def err_incorrect_dn_GUID(self, dn, attrname, val, dsdb_dn, errstr):
- """handle a missing GUID extended DN component"""
- self.report("ERROR: %s component for %s in object %s - %s" % (errstr, attrname, dn, val))
- controls=["extended_dn:1:1", "show_recycled:1"]
- try:
- res = self.samdb.search(base=str(dsdb_dn.dn), scope=ldb.SCOPE_BASE,
- attrs=[], controls=controls)
- except ldb.LdbError, (enum, estr):
- self.report("unable to find object for DN %s - (%s)" % (dsdb_dn.dn, estr))
- self.err_missing_dn_GUID(dn, attrname, val, dsdb_dn)
- return
- if len(res) == 0:
- self.report("unable to find object for DN %s" % dsdb_dn.dn)
- self.err_missing_dn_GUID(dn, attrname, val, dsdb_dn)
- return
- dsdb_dn.dn = res[0].dn
-
- if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_DN_GUIDs'):
- self.report("Not fixing %s" % errstr)
- return
- m = ldb.Message()
- m.dn = dn
- m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
- m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
-
- if self.do_modify(m, ["show_recycled:1"],
- "Failed to fix %s on attribute %s" % (errstr, attrname)):
- self.report("Fixed %s on attribute %s" % (errstr, attrname))
-
- def err_dn_target_mismatch(self, dn, attrname, val, dsdb_dn, correct_dn, errstr):
- """handle a DN string being incorrect"""
- self.report("ERROR: incorrect DN string component for %s in object %s - %s" % (attrname, dn, val))
- dsdb_dn.dn = correct_dn
-
- if not self.confirm_all('Change DN to %s?' % str(dsdb_dn), 'fix_all_target_mismatch'):
- self.report("Not fixing %s" % errstr)
- return
- m = ldb.Message()
- m.dn = dn
- m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
- m['new_value'] = ldb.MessageElement(str(dsdb_dn), ldb.FLAG_MOD_ADD, attrname)
- if self.do_modify(m, ["show_recycled:1"],
- "Failed to fix incorrect DN string on attribute %s" % attrname):
- self.report("Fixed incorrect DN string on attribute %s" % (attrname))
-
- def err_unknown_attribute(self, obj, attrname):
- '''handle an unknown attribute error'''
- self.report("ERROR: unknown attribute '%s' in %s" % (attrname, obj.dn))
- if not self.confirm_all('Remove unknown attribute %s' % attrname, 'remove_all_unknown_attributes'):
- self.report("Not removing %s" % attrname)
- return
- m = ldb.Message()
- m.dn = obj.dn
- m['old_value'] = ldb.MessageElement([], ldb.FLAG_MOD_DELETE, attrname)
- if self.do_modify(m, ["relax:0", "show_recycled:1"],
- "Failed to remove unknown attribute %s" % attrname):
- self.report("Removed unknown attribute %s" % (attrname))
-
- def err_missing_backlink(self, obj, attrname, val, backlink_name, target_dn):
- '''handle a missing backlink value'''
- self.report("ERROR: missing backlink attribute '%s' in %s for link %s in %s" % (backlink_name, target_dn, attrname, obj.dn))
- if not self.confirm_all('Fix missing backlink %s' % backlink_name, 'fix_all_missing_backlinks'):
- self.report("Not fixing missing backlink %s" % backlink_name)
- return
- m = ldb.Message()
- m.dn = obj.dn
- m['old_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
- m['new_value'] = ldb.MessageElement(val, ldb.FLAG_MOD_ADD, attrname)
- if self.do_modify(m, ["show_recycled:1"],
- "Failed to fix missing backlink %s" % backlink_name):
- self.report("Fixed missing backlink %s" % (backlink_name))
-
- def err_incorrect_rmd_flags(self, obj, attrname, revealed_dn):
- '''handle a incorrect RMD_FLAGS value'''
- rmd_flags = int(revealed_dn.dn.get_extended_component("RMD_FLAGS"))
- 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()))
- if not self.confirm_all('Fix incorrect RMD_FLAGS %u' % rmd_flags, 'fix_rmd_flags'):
- self.report("Not fixing incorrect RMD_FLAGS %u" % rmd_flags)
- return
- m = ldb.Message()
- m.dn = obj.dn
- m['old_value'] = ldb.MessageElement(str(revealed_dn), ldb.FLAG_MOD_DELETE, attrname)
- if self.do_modify(m, ["show_recycled:1", "reveal_internals:0", "show_deleted:0"],
- "Failed to fix incorrect RMD_FLAGS %u" % rmd_flags):
- self.report("Fixed incorrect RMD_FLAGS %u" % (rmd_flags))
-
- def err_orphaned_backlink(self, obj, attrname, val, link_name, target_dn):
- '''handle a orphaned backlink value'''
- self.report("ERROR: orphaned backlink attribute '%s' in %s for link %s in %s" % (attrname, obj.dn, link_name, target_dn))
- if not self.confirm_all('Remove orphaned backlink %s' % link_name, 'fix_all_orphaned_backlinks'):
- self.report("Not removing orphaned backlink %s" % link_name)
- return
- m = ldb.Message()
- m.dn = obj.dn
- m['value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname)
- if self.do_modify(m, ["show_recycled:1", "relax:0"],
- "Failed to fix orphaned backlink %s" % link_name):
- self.report("Fixed orphaned backlink %s" % (link_name))
-
- def err_no_fsmoRoleOwner(self, obj):
- '''handle a missing fSMORoleOwner'''
- self.report("ERROR: fSMORoleOwner not found for role %s" % (obj.dn))
- res = self.samdb.search("",
- scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
- assert len(res) == 1
- serviceName = res[0]["dsServiceName"][0]
- if not self.confirm_all('Sieze role %s onto current DC by adding fSMORoleOwner=%s' % (obj.dn, serviceName), 'seize_fsmo_role'):
- self.report("Not Siezing role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
- return
- m = ldb.Message()
- m.dn = obj.dn
- m['value'] = ldb.MessageElement(serviceName, ldb.FLAG_MOD_ADD, 'fSMORoleOwner')
- if self.do_modify(m, [],
- "Failed to sieze role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName)):
- self.report("Siezed role %s onto current DC by adding fSMORoleOwner=%s" % (obj.dn, serviceName))
-
- def err_missing_parent(self, obj):
- '''handle a missing parent'''
- self.report("ERROR: parent object not found for %s" % (obj.dn))
- if not self.confirm_all('Move object %s into LostAndFound?' % (obj.dn), 'move_to_lost_and_found'):
- self.report('Not moving object %s into LostAndFound' % (obj.dn))
- return
-
- keep_transaction = True
- self.samdb.transaction_start()
- try:
- nc_root = self.samdb.get_nc_root(obj.dn);
- lost_and_found = self.samdb.get_wellknown_dn(nc_root, dsdb.DS_GUID_LOSTANDFOUND_CONTAINER)
- new_dn = ldb.Dn(self.samdb, str(obj.dn))
- new_dn.remove_base_components(len(new_dn) - 1)
- if self.do_rename(obj.dn, new_dn, lost_and_found, ["show_deleted:0", "relax:0"],
- "Failed to rename object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found)):
- self.report("Renamed object %s into lostAndFound at %s" % (obj.dn, new_dn + lost_and_found))
-
- m = ldb.Message()
- m.dn = obj.dn
- m['lastKnownParent'] = ldb.MessageElement(str(obj.dn.parent()), ldb.FLAG_MOD_REPLACE, 'lastKnownParent')
-
- if self.do_modify(m, [],
- "Failed to set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found)):
- self.report("Set lastKnownParent on lostAndFound object at %s" % (new_dn + lost_and_found))
- keep_transaction = True
- except:
- self.samdb.transaction_cancel()
- raise
-
- if keep_transaction:
- self.samdb.transaction_commit()
- else:
- self.samdb.transaction_cancel()
-
-
- def err_wrong_instancetype(self, obj, calculated_instancetype):
- '''handle a wrong instanceType'''
- self.report("ERROR: wrong instanceType %s on %s, should be %d" % (obj["instanceType"], obj.dn, calculated_instancetype))
- if not self.confirm_all('Change instanceType from %s to %d on %s?' % (obj["instanceType"], calculated_instancetype, obj.dn), 'fix_instancetype'):
- self.report('Not changing instanceType from %s to %d on %s' % (obj["instanceType"], calculated_instancetype, obj.dn))
- return
-
- m = ldb.Message()
- m.dn = obj.dn
- m['value'] = ldb.MessageElement(str(calculated_instancetype), ldb.FLAG_MOD_REPLACE, 'instanceType')
- if self.do_modify(m, ["local_oid:%s:0" % dsdb.DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA],
- "Failed to correct missing instanceType on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype)):
- self.report("Corrected instancetype on %s by setting instanceType=%d" % (obj.dn, calculated_instancetype))
-
- def find_revealed_link(self, dn, attrname, guid):
- '''return a revealed link in an object'''
- res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE, attrs=[attrname],
- controls=["show_deleted:0", "extended_dn:0", "reveal_internals:0"])
- syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
- for val in res[0][attrname]:
- dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
- guid2 = dsdb_dn.dn.get_extended_component("GUID")
- if guid == guid2:
- return dsdb_dn
- return None
-
- def check_dn(self, obj, attrname, syntax_oid):
- '''check a DN attribute for correctness'''
- error_count = 0
- for val in obj[attrname]:
- dsdb_dn = dsdb_Dn(self.samdb, val, syntax_oid)
-
- # all DNs should have a GUID component
- guid = dsdb_dn.dn.get_extended_component("GUID")
- if guid is None:
- error_count += 1
- self.err_incorrect_dn_GUID(obj.dn, attrname, val, dsdb_dn,
- "missing GUID")
- continue
-
- guidstr = str(misc.GUID(guid))
-
- attrs = ['isDeleted']
- linkID = self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)
- reverse_link_name = self.samdb_schema.get_backlink_from_lDAPDisplayName(attrname)
- if reverse_link_name is not None:
- attrs.append(reverse_link_name)
-
- # check its the right GUID
- try:
- res = self.samdb.search(base="<GUID=%s>" % guidstr, scope=ldb.SCOPE_BASE,
- attrs=attrs, controls=["extended_dn:1:1", "show_recycled:1"])
- except ldb.LdbError, (enum, estr):
- error_count += 1
- self.err_incorrect_dn_GUID(obj.dn, attrname, val, dsdb_dn, "incorrect GUID")
- continue
-
- # now we have two cases - the source object might or might not be deleted
- is_deleted = 'isDeleted' in obj and obj['isDeleted'][0].upper() == 'TRUE'
- target_is_deleted = 'isDeleted' in res[0] and res[0]['isDeleted'][0].upper() == 'TRUE'
-
- # the target DN is not allowed to be deleted, unless the target DN is the
- # special Deleted Objects container
- if target_is_deleted and not is_deleted and not self.is_deleted_objects_dn(dsdb_dn):
- error_count += 1
- self.err_deleted_dn(obj.dn, attrname, val, dsdb_dn, res[0].dn)
- continue
-
- # check the DN matches in string form
- if res[0].dn.extended_str() != dsdb_dn.dn.extended_str():
- error_count += 1
- self.err_dn_target_mismatch(obj.dn, attrname, val, dsdb_dn,
- res[0].dn, "incorrect string version of DN")
- continue
-
- if is_deleted and not target_is_deleted and reverse_link_name is not None:
- revealed_dn = self.find_revealed_link(obj.dn, attrname, guid)
- rmd_flags = revealed_dn.dn.get_extended_component("RMD_FLAGS")
- if rmd_flags is not None and (int(rmd_flags) & 1) == 0:
- # the RMD_FLAGS for this link should be 1, as the target is deleted
- self.err_incorrect_rmd_flags(obj, attrname, revealed_dn)
- continue
-
- # check the reverse_link is correct if there should be one
- if reverse_link_name is not None:
- match_count = 0
- if reverse_link_name in res[0]:
- for v in res[0][reverse_link_name]:
- if v == obj.dn.extended_str():
- match_count += 1
- if match_count != 1:
- error_count += 1
- if linkID & 1:
- self.err_orphaned_backlink(obj, attrname, val, reverse_link_name, dsdb_dn.dn)
- else:
- self.err_missing_backlink(obj, attrname, val, reverse_link_name, dsdb_dn.dn)
- continue
-
- return error_count
-
-
- def get_originating_time(self, val, attid):
- '''Read metadata properties and return the originating time for
- a given attributeId.
-
- :return: the originating time or 0 if not found
- '''
-
- repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
- obj = repl.ctr
-
- for o in repl.ctr.array:
- if o.attid == attid:
- return o.originating_change_time
-
- return 0
-
- def process_metadata(self, val):
- '''Read metadata properties and list attributes in it'''
-
- list_att = []
-
- repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, str(val))
- obj = repl.ctr
-
- for o in repl.ctr.array:
- att = self.samdb_schema.get_lDAPDisplayName_by_attid(o.attid)
- list_att.append(att.lower())
-
- return list_att
-
-
- def fix_metadata(self, dn, attr):
- '''re-write replPropertyMetaData elements for a single attribute for a
- object. This is used to fix missing replPropertyMetaData elements'''
- res = self.samdb.search(base = dn, scope=ldb.SCOPE_BASE, attrs = [attr],
- controls = ["search_options:1:2", "show_recycled:1"])
- msg = res[0]
- nmsg = ldb.Message()
- nmsg.dn = dn
- nmsg[attr] = ldb.MessageElement(msg[attr], ldb.FLAG_MOD_REPLACE, attr)
- if self.do_modify(nmsg, ["relax:0", "provision:0", "show_recycled:1"],
- "Failed to fix metadata for attribute %s" % attr):
- self.report("Fixed metadata for attribute %s" % attr)
-
- def ace_get_effective_inherited_type(self, ace):
- if ace.flags & security.SEC_ACE_FLAG_INHERIT_ONLY:
- return None
-
- check = False
- if ace.type == security.SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT:
- check = True
- elif ace.type == security.SEC_ACE_TYPE_ACCESS_DENIED_OBJECT:
- check = True
- elif ace.type == security.SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT:
- check = True
- elif ace.type == security.SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT:
- check = True
-
- if not check:
- return None
-
- if not ace.object.flags & security.SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT:
- return None
-
- return str(ace.object.inherited_type)
-
- def lookup_class_schemaIDGUID(self, cls):
- if cls in self.class_schemaIDGUID:
- return self.class_schemaIDGUID[cls]
-
- flt = "(&(ldapDisplayName=%s)(objectClass=classSchema))" % cls
- res = self.samdb.search(base=self.schema_dn,
- expression=flt,
- attrs=["schemaIDGUID"])
- t = str(ndr_unpack(misc.GUID, res[0]["schemaIDGUID"][0]))
-
- self.class_schemaIDGUID[cls] = t
- return t
-
- def process_sd(self, dn, obj):
- sd_attr = "nTSecurityDescriptor"
- sd_val = obj[sd_attr]
-
- sd = ndr_unpack(security.descriptor, str(sd_val))
-
- is_deleted = 'isDeleted' in obj and obj['isDeleted'][0].upper() == 'TRUE'
- if is_deleted:
- # we don't fix deleted objects
- return (sd, None)
-
- sd_clean = security.descriptor()
- sd_clean.owner_sid = sd.owner_sid
- sd_clean.group_sid = sd.group_sid
- sd_clean.type = sd.type
- sd_clean.revision = sd.revision
-
- broken = False
- last_inherited_type = None
-
- aces = []
- if sd.sacl is not None:
- aces = sd.sacl.aces
- for i in range(0, len(aces)):
- ace = aces[i]
-
- if not ace.flags & security.SEC_ACE_FLAG_INHERITED_ACE:
- sd_clean.sacl_add(ace)
- continue
-
- t = self.ace_get_effective_inherited_type(ace)
- if t is None:
- continue
-
- if last_inherited_type is not None:
- if t != last_inherited_type:
- # if it inherited from more than
- # one type it's very likely to be broken
- #
- # If not the recalculation will calculate
- # the same result.
- broken = True
- continue
-
- last_inherited_type = t
-
- aces = []
- if sd.dacl is not None:
- aces = sd.dacl.aces
- for i in range(0, len(aces)):
- ace = aces[i]
-
- if not ace.flags & security.SEC_ACE_FLAG_INHERITED_ACE:
- sd_clean.dacl_add(ace)
- continue
-
- t = self.ace_get_effective_inherited_type(ace)
- if t is None:
- continue
-
- if last_inherited_type is not None:
- if t != last_inherited_type:
- # if it inherited from more than
- # one type it's very likely to be broken
- #
- # If not the recalculation will calculate
- # the same result.
- broken = True
- continue
-
- last_inherited_type = t
-
- if broken:
- return (sd_clean, sd)
-
- if last_inherited_type is None:
- # ok
- return (sd, None)
-
- cls = None
- try:
- cls = obj["objectClass"][-1]
- except KeyError, e:
- pass
-
- if cls is None:
- res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
- attrs=["isDeleted", "objectClass"],
- controls=["show_recycled:1"])
- o = res[0]
- is_deleted = 'isDeleted' in o and o['isDeleted'][0].upper() == 'TRUE'
- if is_deleted:
- # we don't fix deleted objects
- return (sd, None)
- cls = o["objectClass"][-1]
-
- t = self.lookup_class_schemaIDGUID(cls)
-
- if t != last_inherited_type:
- # broken
- return (sd_clean, sd)
-
- # ok
- return (sd, None)
-
- def err_wrong_sd(self, dn, sd, sd_broken):
- '''re-write replPropertyMetaData elements for a single attribute for a
- object. This is used to fix missing replPropertyMetaData elements'''
- sd_attr = "nTSecurityDescriptor"
- sd_val = ndr_pack(sd)
- sd_flags = security.SECINFO_DACL | security.SECINFO_SACL
-
- if not self.confirm_all('Fix %s on %s?' % (sd_attr, dn), 'fix_ntsecuritydescriptor'):
- self.report('Not fixing %s on %s\n' % (sd_attr, dn))
- return
-
- nmsg = ldb.Message()
- nmsg.dn = dn
- nmsg[sd_attr] = ldb.MessageElement(sd_val, ldb.FLAG_MOD_REPLACE, sd_attr)
- if self.do_modify(nmsg, ["sd_flags:1:%d" % sd_flags],
- "Failed to fix metadata for attribute %s" % sd_attr):
- self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn))
-
- def is_fsmo_role(self, dn):
- if dn == self.samdb.domain_dn:
- return True
- if dn == self.infrastructure_dn:
- return True
- if dn == self.naming_dn:
- return True
- if dn == self.schema_dn:
- return True
- if dn == self.rid_dn:
- return True
-
- return False
-
- def calculate_instancetype(self, dn):
- instancetype = 0
- nc_root = self.samdb.get_nc_root(dn)
- if dn == nc_root:
- instancetype |= dsdb.INSTANCE_TYPE_IS_NC_HEAD
- try:
- self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE, attrs=[], controls=["show_recycled:1"])
- except ldb.LdbError, (enum, estr):
- if enum != ldb.ERR_NO_SUCH_OBJECT:
- raise
- else:
- instancetype |= dsdb.INSTANCE_TYPE_NC_ABOVE
-
- if self.write_ncs is not None and str(nc_root) in self.write_ncs:
- instancetype |= dsdb.INSTANCE_TYPE_WRITE
-
- return instancetype
-
- def check_object(self, dn, attrs=['*']):
- '''check one object'''
- if self.verbose:
- self.report("Checking object %s" % dn)
- if '*' in attrs:
- attrs.append("replPropertyMetaData")
-
- try:
- sd_flags = 0
- sd_flags |= security.SECINFO_OWNER
- sd_flags |= security.SECINFO_GROUP
- sd_flags |= security.SECINFO_DACL
- sd_flags |= security.SECINFO_SACL
-
- res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
- controls=[
- "extended_dn:1:1",
- "show_recycled:1",
- "show_deleted:1",
- "sd_flags:1:%d" % sd_flags,
- ],
- attrs=attrs)
- except ldb.LdbError, (enum, estr):
- if enum == ldb.ERR_NO_SUCH_OBJECT:
- if self.in_transaction:
- self.report("ERROR: Object %s disappeared during check" % dn)
- return 1
- return 0
- raise
- if len(res) != 1:
- self.report("ERROR: Object %s failed to load during check" % dn)
- return 1
- obj = res[0]
- error_count = 0
- list_attrs_from_md = []
- list_attrs_seen = []
- got_repl_property_meta_data = False
-
- for attrname in obj:
- if attrname == 'dn':
- continue
-
- if str(attrname).lower() == 'replpropertymetadata':
- list_attrs_from_md = self.process_metadata(obj[attrname])
- got_repl_property_meta_data = True
- continue
-
- if str(attrname).lower() == 'ntsecuritydescriptor':
- (sd, sd_broken) = self.process_sd(dn, obj)
- if sd_broken is not None:
- self.err_wrong_sd(dn, sd, sd_broken)
- error_count += 1
- continue
-
- if str(attrname).lower() == 'objectclass':
- normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, list(obj[attrname]))
- if list(normalised) != list(obj[attrname]):
- self.err_normalise_mismatch_replace(dn, attrname, list(obj[attrname]))
- error_count += 1
- continue
-
- # check for empty attributes
- for val in obj[attrname]:
- if val == '':
- self.err_empty_attribute(dn, attrname)
- error_count += 1
- continue
-
- # get the syntax oid for the attribute, so we can can have
- # special handling for some specific attribute types
- try:
- syntax_oid = self.samdb_schema.get_syntax_oid_from_lDAPDisplayName(attrname)
- except Exception, msg:
- self.err_unknown_attribute(obj, attrname)
- error_count += 1
- continue
-
- flag = self.samdb_schema.get_systemFlags_from_lDAPDisplayName(attrname)
- if (not flag & dsdb.DS_FLAG_ATTR_NOT_REPLICATED
- and not flag & dsdb.DS_FLAG_ATTR_IS_CONSTRUCTED
- and not self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname)):
- list_attrs_seen.append(str(attrname).lower())
-
- if syntax_oid in [ dsdb.DSDB_SYNTAX_BINARY_DN, dsdb.DSDB_SYNTAX_OR_NAME,
- dsdb.DSDB_SYNTAX_STRING_DN, ldb.SYNTAX_DN ]:
- # it's some form of DN, do specialised checking on those
- error_count += self.check_dn(obj, attrname, syntax_oid)
-
- # check for incorrectly normalised attributes
- for val in obj[attrname]:
- normalised = self.samdb.dsdb_normalise_attributes(self.samdb_schema, attrname, [val])
- if len(normalised) != 1 or normalised[0] != val:
- self.err_normalise_mismatch(dn, attrname, obj[attrname])
- error_count += 1
- break
-
- if str(attrname).lower() == "instancetype":
- calculated_instancetype = self.calculate_instancetype(dn)
- if len(obj["instanceType"]) != 1 or obj["instanceType"][0] != str(calculated_instancetype):
- self.err_wrong_instancetype(obj, calculated_instancetype)
-
- show_dn = True
- if got_repl_property_meta_data:
- rdn = (str(dn).split(","))[0]
- if rdn == "CN=Deleted Objects":
- isDeletedAttId = 131120
- # It's 29/12/9999 at 23:59:59 UTC as specified in MS-ADTS 7.1.1.4.2 Deleted Objects Container
-
- expectedTimeDo = 2650466015990000000
- originating = self.get_originating_time(obj["replPropertyMetaData"], isDeletedAttId)
- if originating != expectedTimeDo:
- if self.confirm_all("Fix isDeleted originating_change_time on '%s'" % str(dn), 'fix_time_metadata'):
- nmsg = ldb.Message()
- nmsg.dn = dn
- nmsg["isDeleted"] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_REPLACE, "isDeleted")
- error_count += 1
- self.samdb.modify(nmsg, controls=["provision:0"])
-
- else:
- self.report("Not fixing isDeleted originating_change_time on '%s'" % str(dn))
- for att in list_attrs_seen:
- if not att in list_attrs_from_md:
- if show_dn:
- self.report("On object %s" % dn)
- show_dn = False
- error_count += 1
- self.report("ERROR: Attribute %s not present in replication metadata" % att)
- if not self.confirm_all("Fix missing replPropertyMetaData element '%s'" % att, 'fix_all_metadata'):
- self.report("Not fixing missing replPropertyMetaData element '%s'" % att)
- continue
- self.fix_metadata(dn, att)
-
- if self.is_fsmo_role(dn):
- if "fSMORoleOwner" not in obj:
- self.err_no_fsmoRoleOwner(obj)
- error_count += 1
-
- try:
- if dn != self.samdb.get_root_basedn():
- res = self.samdb.search(base=dn.parent(), scope=ldb.SCOPE_BASE,
- controls=["show_recycled:1", "show_deleted:1"])
- except ldb.LdbError, (enum, estr):
- if enum == ldb.ERR_NO_SUCH_OBJECT:
- self.err_missing_parent(obj)
- error_count += 1
- else:
- raise
-
- return error_count
-
- ################################################################
- # check special @ROOTDSE attributes
- def check_rootdse(self):
- '''check the @ROOTDSE special object'''
- dn = ldb.Dn(self.samdb, '@ROOTDSE')
- if self.verbose:
- self.report("Checking object %s" % dn)
- res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE)
- if len(res) != 1:
- self.report("Object %s disappeared during check" % dn)
- return 1
- obj = res[0]
- error_count = 0
-
- # check that the dsServiceName is in GUID form
- if not 'dsServiceName' in obj:
- self.report('ERROR: dsServiceName missing in @ROOTDSE')
- return error_count+1
-
- if not obj['dsServiceName'][0].startswith('<GUID='):
- self.report('ERROR: dsServiceName not in GUID form in @ROOTDSE')
- error_count += 1
- if not self.confirm('Change dsServiceName to GUID form?'):
- return error_count
- res = self.samdb.search(base=ldb.Dn(self.samdb, obj['dsServiceName'][0]),
- scope=ldb.SCOPE_BASE, attrs=['objectGUID'])
- guid_str = str(ndr_unpack(misc.GUID, res[0]['objectGUID'][0]))
- m = ldb.Message()
- m.dn = dn
- m['dsServiceName'] = ldb.MessageElement("<GUID=%s>" % guid_str,
- ldb.FLAG_MOD_REPLACE, 'dsServiceName')
- if self.do_modify(m, [], "Failed to change dsServiceName to GUID form", validate=False):
- self.report("Changed dsServiceName to GUID form")
- return error_count
-
-
- ###############################################
- # re-index the database
- def reindex_database(self):
- '''re-index the whole database'''
- m = ldb.Message()
- m.dn = ldb.Dn(self.samdb, "@ATTRIBUTES")
- m['add'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_ADD, 'force_reindex')
- m['delete'] = ldb.MessageElement('NONE', ldb.FLAG_MOD_DELETE, 'force_reindex')
- return self.do_modify(m, [], 're-indexed database', validate=False)
-
- ###############################################
- # reset @MODULES
- def reset_modules(self):
- '''reset @MODULES to that needed for current sam.ldb (to read a very old database)'''
- m = ldb.Message()
- m.dn = ldb.Dn(self.samdb, "@MODULES")
- m['@LIST'] = ldb.MessageElement('samba_dsdb', ldb.FLAG_MOD_REPLACE, '@LIST')
- return self.do_modify(m, [], 'reset @MODULES on database', validate=False)