1 files changed, 15 insertions, 0 deletions

diff --git a/toxcore/net_crypto.h b/toxcore/net_crypto.h
index 07e9ef6a..b8236a0e 100644
--- a/toxcore/net_crypto.h
+++ b/toxcore/net_crypto.h
@@ -198,6 +198,9 @@ typedef struct {
     uint32_t current_sleep_time;
 
     BS_LIST ip_port_list;
+
+    int (*tcp_onion_callback)(void *object, const uint8_t *data, uint16_t length);
+    void *tcp_onion_callback_object;
 } Net_Crypto;
 
 
@@ -321,6 +324,18 @@ int add_tcp_relay_peer(Net_Crypto *c, int crypt_connection_id, IP_Port ip_port,
  */
 int add_tcp_relay(Net_Crypto *c, IP_Port ip_port, const uint8_t *public_key);
 
+/* Set the function to be called when an onion response packet is recieved by one of the TCP connections.
+ */
+void tcp_onion_response_handler(Net_Crypto *c, int (*tcp_onion_callback)(void *object, const uint8_t *data,
+                                uint16_t length), void *object);
+
+/* Send an onion packet via a random connected TCP relay.
+ *
+ * return 0 on success.
+ * return -1 on failure.
+ */
+int send_tcp_onion_request(const Net_Crypto *c, const uint8_t *data, uint16_t length);
+
 /* Copy a maximum of num TCP relays we are connected to to tcp_relays.
  * NOTE that the family of the copied ip ports will be set to TCP_INET or TCP_INET6.
  *