1/**************************************************************************/
2/* stream_peer_mbedtls.h */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
18/* */
19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#ifndef STREAM_PEER_MBEDTLS_H
32#define STREAM_PEER_MBEDTLS_H
33
34#include "tls_context_mbedtls.h"
35
36#include "core/io/stream_peer_tls.h"
37
38class StreamPeerMbedTLS : public StreamPeerTLS {
39private:
40 Status status = STATUS_DISCONNECTED;
41 String hostname;
42
43 Ref<StreamPeer> base;
44
45 static StreamPeerTLS *_create_func();
46
47 static int bio_recv(void *ctx, unsigned char *buf, size_t len);
48 static int bio_send(void *ctx, const unsigned char *buf, size_t len);
49 void _cleanup();
50
51protected:
52 Ref<TLSContextMbedTLS> tls_ctx;
53
54 Error _do_handshake();
55
56public:
57 virtual void poll();
58 virtual Error accept_stream(Ref<StreamPeer> p_base, Ref<TLSOptions> p_options);
59 virtual Error connect_to_stream(Ref<StreamPeer> p_base, const String &p_common_name, Ref<TLSOptions> p_options);
60 virtual Status get_status() const;
61 virtual Ref<StreamPeer> get_stream() const;
62
63 virtual void disconnect_from_stream();
64
65 virtual Error put_data(const uint8_t *p_data, int p_bytes);
66 virtual Error put_partial_data(const uint8_t *p_data, int p_bytes, int &r_sent);
67
68 virtual Error get_data(uint8_t *p_buffer, int p_bytes);
69 virtual Error get_partial_data(uint8_t *p_buffer, int p_bytes, int &r_received);
70
71 virtual int get_available_bytes() const;
72
73 static void initialize_tls();
74 static void finalize_tls();
75
76 StreamPeerMbedTLS();
77 ~StreamPeerMbedTLS();
78};
79
80#endif // STREAM_PEER_MBEDTLS_H
81