From 5064d73672eecb2750d64f84c126f82781b0191b Mon Sep 17 00:00:00 2001 From: Andrew Tridgell Date: Tue, 12 Jul 2011 11:26:29 +1000 Subject: [PATCH] dbcheck: added checks for missing and orphansed backlinks this checks for missing backlinks or backlinks without a forward link and optionally fixes them Pair-Programmed-With: Amitay Isaacs Pair-Programmed-With: Andrew Bartlett --- source4/scripting/python/samba/dbchecker.py | 37 ++++++++++----------- 1 file changed, 18 insertions(+), 19 deletions(-) diff --git a/source4/scripting/python/samba/dbchecker.py b/source4/scripting/python/samba/dbchecker.py index 1f250662ea14..a352c509fd71 100644 --- a/source4/scripting/python/samba/dbchecker.py +++ b/source4/scripting/python/samba/dbchecker.py @@ -287,19 +287,18 @@ class dbcheck(object): ################################################################ # handle a orphaned backlink - def err_orphaned_backlink(self, obj, attrname, val, backlink_name, target_dn): + 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" % (backlink_name, target_dn, attrname, obj.dn)) - if not self.confirm_all('Fix orphaned backlink %s' % backlink_name, 'fix_all_orphaned_backlinks'): - self.report("Not fixing orphaned backlink %s" % backlink_name) + 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 = target_dn - m['old_value'] = ldb.MessageElement(obj.dn, ldb.FLAG_MOD_DELETE, backlink_name) - m['new_value'] = ldb.MessageElement(obj.dn, ldb.FLAG_MOD_ADD, backlink_name) - if self.do_modify(m, ["show_deleted:1"], - "Failed to fix orphaned backlink %s" % backlink_name): - self.report("Fixed orphaned backlink %s" % (backlink_name)) + m.dn = obj.dn + m['value'] = ldb.MessageElement(val, ldb.FLAG_MOD_DELETE, attrname) + if self.do_modify(m, ["show_deleted:1", "relax:0"], + "Failed to fix orphaned backlink %s" % link_name): + self.report("Fixed orphaned backlink %s" % (link_name)) ################################################################ @@ -321,9 +320,9 @@ class dbcheck(object): attrs=['isDeleted'] linkkID = self.samdb_schema.get_linkId_from_lDAPDisplayName(attrname) - backlink_name = self.samdb.get_backlink_from_lDAPDisplayName(attrname) - if backlink_name is not None: - attrs.append(backlink_name) + reverse_link_name = self.samdb.get_backlink_from_lDAPDisplayName(attrname) + if reverse_link_name is not None: + attrs.append(reverse_link_name) # check its the right GUID try: @@ -352,19 +351,19 @@ class dbcheck(object): res[0].dn, "incorrect string version of DN") continue - # check the backlink is correct if there should be one - if backlink_name is not None: + # check the reverse_link is correct if there should be one + if reverse_link_name is not None: match_count = 0 - if backlink_name in res[0]: - for v in res[0][backlink_name]: + 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 linkkID & 1: - self.err_orphaned_backlink(obj, attrname, val, backlink_name, dsdb_dn.dn) + self.err_orphaned_backlink(obj, attrname, val, reverse_link_name, dsdb_dn.dn) else: - self.err_missing_backlink(obj, attrname, val, backlink_name, dsdb_dn.dn) + self.err_missing_backlink(obj, attrname, val, reverse_link_name, dsdb_dn.dn) continue return error_count -- 2.34.1