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-rw-r--r--source4/lib/ldb/ldb_tdb/ldb_tdb.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/source4/lib/ldb/ldb_tdb/ldb_tdb.c b/source4/lib/ldb/ldb_tdb/ldb_tdb.c
index 01153fe203..d6175863da 100644
--- a/source4/lib/ldb/ldb_tdb/ldb_tdb.c
+++ b/source4/lib/ldb/ldb_tdb/ldb_tdb.c
@@ -200,6 +200,14 @@ static int ltdb_check_special_dn(struct ldb_module *module,
static int ltdb_modified(struct ldb_module *module, struct ldb_dn *dn)
{
int ret = LDB_SUCCESS;
+ struct ltdb_private *ltdb = talloc_get_type(ldb_module_get_private(module), struct ltdb_private);
+
+ /* only allow modifies inside a transaction, otherwise the
+ * ldb is unsafe */
+ if (ltdb->in_transaction == 0) {
+ ldb_set_errstring(ldb_module_get_ctx(module), "ltdb modify without transaction");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
if (ldb_dn_is_special(dn) &&
(ldb_dn_check_special(dn, LTDB_INDEXLIST) ||