diff options
Diffstat (limited to 'python')
| -rw-r--r-- | python/samba/dbchecker.py | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/python/samba/dbchecker.py b/python/samba/dbchecker.py index 8b175c2b71..ee8b5ae5fb 100644 --- a/python/samba/dbchecker.py +++ b/python/samba/dbchecker.py @@ -18,6 +18,8 @@ # import ldb +import samba +import time from samba import dsdb from samba import common from samba.dcerpc import misc @@ -59,6 +61,7 @@ class dbcheck(object): self.seize_fsmo_role = False self.move_to_lost_and_found = False self.fix_instancetype = False + self.fix_replmetadata_zero_invocationid = False self.reset_well_known_acls = reset_well_known_acls self.reset_all_well_known_acls = False self.in_transaction = in_transaction @@ -816,6 +819,65 @@ newSuperior: %s""" % (str(from_dn), str(to_rdn), str(to_base))) self.report("Fixed attribute '%s' of '%s'\n" % (sd_attr, dn)) self.samdb.set_session_info(self.system_session_info) + + def has_replmetadata_zero_invocationid(self, dn, repl_meta_data): + repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, + str(repl_meta_data)) + ctr = repl.ctr + found = False + for o in ctr.array: + # Search for a zero invocationID + if o.originating_invocation_id != misc.GUID("00000000-0000-0000-0000-000000000000"): + continue + + found = True + self.report('''ERROR: on replPropertyMetaData of %s, the instanceType on attribute 0x%08x, + version %d changed at %s is 00000000-0000-0000-0000-000000000000, + but should be non-zero. Proposed fix is to set to our invocationID (%s).''' + % (dn, o.attid, o.version, + time.ctime(samba.nttime2unix(o.originating_change_time)), + self.samdb.get_invocation_id())) + + return found + + + def err_replmetadata_zero_invocationid(self, dn, attr, repl_meta_data): + repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob, + str(repl_meta_data)) + ctr = repl.ctr + now = samba.unix2nttime(int(time.time())) + found = False + for o in ctr.array: + # Search for a zero invocationID + if o.originating_invocation_id != misc.GUID("00000000-0000-0000-0000-000000000000"): + continue + + found = True + seq = self.samdb.sequence_number(ldb.SEQ_NEXT) + o.version = o.version + 1 + o.originating_change_time = now + o.originating_invocation_id = misc.GUID(self.samdb.get_invocation_id()) + o.originating_usn = seq + o.local_usn = seq + + if found: + replBlob = ndr_pack(repl) + msg = ldb.Message() + msg.dn = dn + + if not self.confirm_all('Fix %s on %s by setting originating_invocation_id on some elements to our invocationID %s?' + % (attr, dn, self.samdb.get_invocation_id()), 'fix_replmetadata_zero_invocationid'): + self.report('Not fixing %s on %s\n' % (attr, dn)) + return + + nmsg = ldb.Message() + nmsg.dn = dn + nmsg[attr] = ldb.MessageElement(replBlob, ldb.FLAG_MOD_REPLACE, attr) + if self.do_modify(nmsg, ["local_oid:1.3.6.1.4.1.7165.4.3.14:0"], + "Failed to fix attribute %s" % attr): + self.report("Fixed attribute '%s' of '%s'\n" % (attr, dn)) + + def is_fsmo_role(self, dn): if dn == self.samdb.domain_dn: return True @@ -901,6 +963,12 @@ newSuperior: %s""" % (str(from_dn), str(to_rdn), str(to_base))) continue if str(attrname).lower() == 'replpropertymetadata': + if self.has_replmetadata_zero_invocationid(dn, obj[attrname]): + error_count += 1 + self.err_replmetadata_zero_invocationid(dn, attrname, obj[attrname]) + # We don't continue, as we may also have other fixes for this attribute + # based on what other attributes we see. + list_attrs_from_md = self.process_metadata(obj[attrname]) got_repl_property_meta_data = True continue |