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authorMatthieu Patou <mat@matws.net>2011-07-07 00:31:21 +0400
committerAndrew Tridgell <tridge@samba.org>2011-07-11 14:32:44 +1000
commit61fc7f285eee888e3603afd7beafba83cca4e378 (patch)
treef1e0177883ce7e3c9ece071cf0e42285ab2a6f37 /source4/scripting/python
parentbbd4e27745352cc1069d7070620fe21f46702743 (diff)
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s4-samba-tool: dbcheck, check and fix broken metadata
Signed-off-by: Andrew Tridgell <tridge@samba.org>
Diffstat (limited to 'source4/scripting/python')
-rw-r--r--source4/scripting/python/samba/dbchecker.py77
1 files changed, 77 insertions, 0 deletions
diff --git a/source4/scripting/python/samba/dbchecker.py b/source4/scripting/python/samba/dbchecker.py
index eea9dfc28e..cad3660ef1 100644
--- a/source4/scripting/python/samba/dbchecker.py
+++ b/source4/scripting/python/samba/dbchecker.py
@@ -3,6 +3,7 @@
# 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
@@ -22,6 +23,8 @@ import ldb
from samba import dsdb
from samba import common
from samba.dcerpc import misc
+from samba.ndr import ndr_unpack
+from samba.dcerpc import drsblobs
class dsdb_DN(object):
@@ -52,6 +55,7 @@ class dbcheck(object):
def __init__(self, samdb, samdb_schema=None, verbose=False, fix=False, yes=False, quiet=False):
self.samdb = samdb
+ self.dict_oid_name = None
self.samdb_schema = (samdb_schema or samdb)
self.verbose = verbose
self.fix = fix
@@ -324,6 +328,45 @@ class dbcheck(object):
return error_count
+ def process_metadata(self, val):
+ '''Read metadata properties and list attributes in it'''
+
+ list_att = []
+ d = {}
+ if self.dict_oid_name == None:
+ res = self.samdb.search(expression = '(lDAPDisplayName=*)',
+ controls=["search_options:1:2"],
+ attrs=["attributeID","lDAPDisplayName"])
+ for m in res:
+ d[str(m.get("attributeID"))] = str(m.get("lDAPDisplayName"))
+ self.dict_oid_name = d
+
+ repl = ndr_unpack(drsblobs.replPropertyMetaDataBlob,str(val))
+ obj = repl.ctr
+
+ for o in repl.ctr.array:
+ att = self.dict_oid_name[self.samdb.get_oid_from_attid(o.attid)]
+ list_att.append(att.lower())
+
+ return list_att
+
+
+ def fix_metadata(self, dn, list):
+ res = self.samdb.search(base = dn, scope=ldb.SCOPE_BASE, attrs = list,
+ controls = ["search_options:1:2"])
+ msg = res[0]
+ nmsg = ldb.Message()
+
+ delta = self.samdb.msg_diff(nmsg, msg)
+ nmsg.dn = dn
+
+ for att in delta:
+ if att == "dn":
+ continue
+ val = delta.get(att)
+ nmsg[att] = ldb.MessageElement(val, ldb.FLAG_MOD_REPLACE, att)
+
+ self.samdb.modify(nmsg, controls = ["relax:0", "provision:0"])
################################################################
# check one object - calls to individual error handlers above
@@ -331,6 +374,9 @@ class dbcheck(object):
'''check one object'''
if self.verbose:
self.report("Checking object %s" % dn)
+ if '*' in attrs:
+ attrs.append("replPropertyMetaData")
+
res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE,
controls=["extended_dn:1:1", "show_deleted:1"],
attrs=attrs)
@@ -339,10 +385,18 @@ class dbcheck(object):
return 1
obj = res[0]
error_count = 0
+ list_attrs_from_md = []
+ list_attrs_seen = []
+
for attrname in obj:
if attrname == 'dn':
continue
+ if str(attrname).lower() == 'replpropertymetadata':
+ list_attrs_from_md = self.process_metadata(obj[attrname])
+ continue
+
+
# check for empty attributes
for val in obj[attrname]:
if val == '':
@@ -359,6 +413,12 @@ class dbcheck(object):
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.LDB_SYNTAX_DN ]:
# it's some form of DN, do specialised checking on those
@@ -371,4 +431,21 @@ class dbcheck(object):
self.err_normalise_mismatch(dn, attrname, obj[attrname])
error_count += 1
break
+
+ show_dn = True
+ if len(list_attrs_seen):
+ attrs_to_fix = []
+ for att in list_attrs_seen:
+ if not att in list_attrs_from_md:
+ if show_dn:
+ print "On object %s" % dn
+ show_dn = False
+ print " Attribute %s not present in replication metadata" % (att)
+ error_count += 1
+ attrs_to_fix.append(att)
+
+ if len(attrs_to_fix) and self.fix:
+ self.fix_metadata(dn, attrs_to_fix)
+
+
return error_count