s4-dsdb: ensure that new partitions inherit any transaction

3 files changed, 26 insertions, 11 deletions

diff --git a/source4/dsdb/samdb/ldb_modules/partition.c b/source4/dsdb/samdb/ldb_modules/partition.c
index 779b8b5a35..64015ed7b1 100644
--- a/source4/dsdb/samdb/ldb_modules/partition.c
+++ b/source4/dsdb/samdb/ldb_modules/partition.c
@@ -690,6 +690,9 @@ static int partition_start_trans(struct ldb_module *module)
 			return ret;
 		}
 	}
+
+	data->in_transaction++;
+
 	return LDB_SUCCESS;
 }
 
@@ -737,6 +740,12 @@ static int partition_end_trans(struct ldb_module *module)
 		}
 	}
 
+	if (data->in_transaction == 0) {
+		DEBUG(0,("partition end transaction mismatch\n"));
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+	data->in_transaction--;
+
 	return ldb_next_end_trans(module);
 }
 
@@ -756,6 +765,12 @@ static int partition_del_trans(struct ldb_module *module)
 		}
 	}	
 
+	if (data->in_transaction == 0) {
+		DEBUG(0,("partition del transaction mismatch\n"));
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+	data->in_transaction--;
+
 	ret = ldb_next_del_trans(module);
 	if (ret != LDB_SUCCESS) {
 		final_ret = ret;
diff --git a/source4/dsdb/samdb/ldb_modules/partition.h b/source4/dsdb/samdb/ldb_modules/partition.h
index 3572f17109..dda0b86515 100644
--- a/source4/dsdb/samdb/ldb_modules/partition.h
+++ b/source4/dsdb/samdb/ldb_modules/partition.h
@@ -45,6 +45,7 @@ struct partition_private_data {
 	const char *ldapBackend;
 
 	uint64_t metadata_seq;
+	uint32_t in_transaction;
 };
 
 #define PARTITION_FIND_OP_NOERROR(module, op) do { \
diff --git a/source4/dsdb/samdb/ldb_modules/partition_init.c b/source4/dsdb/samdb/ldb_modules/partition_init.c
index 28eab9b2ee..5967bc8159 100644
--- a/source4/dsdb/samdb/ldb_modules/partition_init.c
+++ b/source4/dsdb/samdb/ldb_modules/partition_init.c
@@ -282,6 +282,16 @@ static int new_partition_from_dn(struct ldb_context *ldb, struct partition_priva
 
 	talloc_steal((*partition), (*partition)->module);
 
+	/* if we were in a transaction then we need to start a
+	   transaction on this new partition, otherwise we'll get a
+	   transaction mismatch when we end the transaction */
+	if (data->in_transaction) {
+		struct ldb_module *next = (*partition)->module;
+		PARTITION_FIND_OP(next, start_transaction);
+
+		ret = next->ops->start_transaction(next);
+	}
+
 	return ret;
 }
 
@@ -698,17 +708,6 @@ int partition_create(struct ldb_module *module, struct ldb_request *req)
 		if (ret != LDB_SUCCESS) {
 			return ret;
 		}
-		
-		/* Start a transaction on the DB (as it won't be in one being brand new) */
-		{
-			struct ldb_module *next = partition->module;
-			PARTITION_FIND_OP(next, start_transaction);
-			
-			ret = next->ops->start_transaction(next);
-			if (ret != LDB_SUCCESS) {
-				return ret;
-			}
-		}
 	}
 	
 	ret = new_partition_set_replicated_metadata(ldb, module, last_req, data, partition);