r10213: fixed a memory leak in the ldap client and server code spotted by Karl

Melcher. ldap_encode() now takes a memory context to use for the data
blob
(This used to be commit 09948a59336a7f02bf2b4605f2d4d886e65b85f2)

4 files changed, 9 insertions, 10 deletions

diff --git a/source4/ldap_server/ldap_server.c b/source4/ldap_server/ldap_server.c
index 4320a0ad5e..92adc8a890 100644
--- a/source4/ldap_server/ldap_server.c
+++ b/source4/ldap_server/ldap_server.c
@@ -87,12 +87,14 @@ static void ldapsrv_process_message(struct ldapsrv_connection *conn,
 		DATA_BLOB b;
 
 		msg = call->replies->msg;
-		if (!ldap_encode(msg, &b)) {
+		if (!ldap_encode(msg, &b, call)) {
 			DEBUG(0,("Failed to encode ldap reply of type %d\n", msg->type));
 			goto failed;
 		}
 
 		status = data_blob_append(call, &blob, b.data, b.length);
+		data_blob_free(&b);
+
 		if (!NT_STATUS_IS_OK(status)) goto failed;
 
 		DLIST_REMOVE(call->replies, call->replies);
diff --git a/source4/libcli/cldap/cldap.c b/source4/libcli/cldap/cldap.c
index 4ffa40d134..07744553c8 100644
--- a/source4/libcli/cldap/cldap.c
+++ b/source4/libcli/cldap/cldap.c
@@ -337,12 +337,11 @@ struct cldap_request *cldap_search_send(struct cldap_socket *cldap,
 		goto failed;
 	}
 
-	if (!ldap_encode(msg, &req->encoded)) {
+	if (!ldap_encode(msg, &req->encoded, req)) {
 		DEBUG(0,("Failed to encode cldap message to %s:%d\n",
 			 req->dest_addr, req->dest_port));
 		goto failed;
 	}
-	talloc_steal(req, req->encoded.data);
 
 	DLIST_ADD_END(cldap->send_queue, req, struct cldap_request *);
 
@@ -389,13 +388,12 @@ NTSTATUS cldap_reply_send(struct cldap_socket *cldap, struct cldap_reply *io)
 		msg->type = LDAP_TAG_SearchResultEntry;
 		msg->r.SearchResultEntry = *io->response;
 
-		if (!ldap_encode(msg, &blob1)) {
+		if (!ldap_encode(msg, &blob1, req)) {
 			DEBUG(0,("Failed to encode cldap message to %s:%d\n",
 				 req->dest_addr, req->dest_port));
 			status = NT_STATUS_INVALID_PARAMETER;
 			goto failed;
 		}
-		talloc_steal(req, blob1.data);
 	} else {
 		blob1 = data_blob(NULL, 0);
 	}
@@ -403,13 +401,12 @@ NTSTATUS cldap_reply_send(struct cldap_socket *cldap, struct cldap_reply *io)
 	msg->type = LDAP_TAG_SearchResultDone;
 	msg->r.SearchResultDone = *io->result;
 
-	if (!ldap_encode(msg, &blob2)) {
+	if (!ldap_encode(msg, &blob2, req)) {
 		DEBUG(0,("Failed to encode cldap message to %s:%d\n",
 			 req->dest_addr, req->dest_port));
 		status = NT_STATUS_INVALID_PARAMETER;
 		goto failed;
 	}
-	talloc_steal(req, blob2.data);
 
 	req->encoded = data_blob_talloc(req, NULL, blob1.length + blob2.length);
 	if (req->encoded.data == NULL) goto failed;
diff --git a/source4/libcli/ldap/ldap.c b/source4/libcli/ldap/ldap.c
index f7f6feea38..815d543038 100644
--- a/source4/libcli/ldap/ldap.c
+++ b/source4/libcli/ldap/ldap.c
@@ -189,7 +189,7 @@ static void ldap_encode_response(struct asn1_data *data, struct ldap_Result *res
 	}
 }
 
-BOOL ldap_encode(struct ldap_message *msg, DATA_BLOB *result)
+BOOL ldap_encode(struct ldap_message *msg, DATA_BLOB *result, TALLOC_CTX *mem_ctx)
 {
 	struct asn1_data data;
 	int i, j;
@@ -462,7 +462,7 @@ BOOL ldap_encode(struct ldap_message *msg, DATA_BLOB *result)
 		return False;
 	}
 
-	*result = data_blob(data.data, data.length);
+	*result = data_blob_talloc(mem_ctx, data.data, data.length);
 	asn1_free(&data);
 	return True;
 }
diff --git a/source4/libcli/ldap/ldap_client.c b/source4/libcli/ldap/ldap_client.c
index 97b75602aa..800e523eb4 100644
--- a/source4/libcli/ldap/ldap_client.c
+++ b/source4/libcli/ldap/ldap_client.c
@@ -497,7 +497,7 @@ struct ldap_request *ldap_request_send(struct ldap_connection *conn,
 
 	msg->messageid = req->messageid;
 
-	if (!ldap_encode(msg, &req->data)) {
+	if (!ldap_encode(msg, &req->data, req)) {
 		goto failed;		
 	}