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/*************************************************************************/
/* packet_peer_mbed_dtls.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef PACKET_PEER_MBED_DTLS_H
#define PACKET_PEER_MBED_DTLS_H
#include "core/io/packet_peer_dtls.h"
#include "ssl_context_mbedtls.h"
#include <mbedtls/timing.h>
class PacketPeerMbedDTLS : public PacketPeerDTLS {
private:
enum {
PACKET_BUFFER_SIZE = 65536
};
uint8_t packet_buffer[PACKET_BUFFER_SIZE];
Status status = STATUS_DISCONNECTED;
String hostname;
Ref<PacketPeerUDP> base;
static PacketPeerDTLS *_create_func();
static int bio_recv(void *ctx, unsigned char *buf, size_t len);
static int bio_send(void *ctx, const unsigned char *buf, size_t len);
void _cleanup();
protected:
Ref<SSLContextMbedTLS> ssl_ctx;
mbedtls_timing_delay_context timer;
static void _bind_methods();
Error _do_handshake();
int _set_cookie();
public:
virtual void poll();
virtual Error accept_peer(Ref<PacketPeerUDP> p_base, Ref<CryptoKey> p_key, Ref<X509Certificate> p_cert = Ref<X509Certificate>(), Ref<X509Certificate> p_ca_chain = Ref<X509Certificate>(), Ref<CookieContextMbedTLS> p_cookies = Ref<CookieContextMbedTLS>());
virtual Error connect_to_peer(Ref<PacketPeerUDP> p_base, bool p_validate_certs = true, const String &p_for_hostname = String(), Ref<X509Certificate> p_ca_certs = Ref<X509Certificate>());
virtual Status get_status() const;
virtual void disconnect_from_peer();
virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size);
virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size);
virtual int get_available_packet_count() const;
virtual int get_max_packet_size() const;
static void initialize_dtls();
static void finalize_dtls();
PacketPeerMbedDTLS();
~PacketPeerMbedDTLS();
};
#endif // PACKET_PEER_MBED_DTLS_H
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