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New PacketPeerDTLS and DTLSServer classes.

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Custom instance implementation via the mbedtls module.
This commit is contained in:
Fabio Alessandrelli 2019-08-21 22:52:24 +02:00
parent d06af89874
commit 6fc50d785e
12 changed files with 849 additions and 3 deletions
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54
core/io/dtls_server.cpp Normal file
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/*************************************************************************/
/* dtls_server.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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. */
/*************************************************************************/
#include "dtls_server.h"
#include "core/os/file_access.h"
#include "core/project_settings.h"
DTLSServer *(*DTLSServer::_create)() = NULL;
bool DTLSServer::available = false;
DTLSServer *DTLSServer::create() {
return _create();
}
bool DTLSServer::is_available() {
return available;
}
void DTLSServer::_bind_methods() {
ClassDB::bind_method(D_METHOD("setup", "key", "certificate", "chain"), &DTLSServer::setup, DEFVAL(Ref<X509Certificate>()));
ClassDB::bind_method(D_METHOD("take_connection", "udp_peer"), &DTLSServer::take_connection);
}
DTLSServer::DTLSServer() {
}

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core/io/dtls_server.h Normal file
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/*************************************************************************/
/* dtls_server.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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 DTLS_SERVER_H
#define DTLS_SERVER_H
#include "core/io/net_socket.h"
#include "core/io/packet_peer_dtls.h"
class DTLSServer : public Reference {
GDCLASS(DTLSServer, Reference);
protected:
static DTLSServer *(*_create)();
static void _bind_methods();
static bool available;
public:
static bool is_available();
static DTLSServer *create();
virtual Error setup(Ref<CryptoKey> p_key, Ref<X509Certificate> p_cert, Ref<X509Certificate> p_ca_chain = Ref<X509Certificate>()) = 0;
virtual void stop() = 0;
virtual Ref<PacketPeerDTLS> take_connection(Ref<PacketPeerUDP> p_peer) = 0;
DTLSServer();
};
#endif // DTLS_SERVER_H

62
core/io/packet_peer_dtls.cpp Normal file
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/*************************************************************************/
/* packet_peer_dtls.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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. */
/*************************************************************************/
#include "packet_peer_dtls.h"
#include "core/os/file_access.h"
#include "core/project_settings.h"
PacketPeerDTLS *(*PacketPeerDTLS::_create)() = NULL;
bool PacketPeerDTLS::available = false;
PacketPeerDTLS *PacketPeerDTLS::create() {
return _create();
}
bool PacketPeerDTLS::is_available() {
return available;
}
void PacketPeerDTLS::_bind_methods() {
ClassDB::bind_method(D_METHOD("poll"), &PacketPeerDTLS::poll);
ClassDB::bind_method(D_METHOD("connect_to_peer", "packet_peer", "validate_certs", "for_hostname", "valid_certificate"), &PacketPeerDTLS::connect_to_peer, DEFVAL(true), DEFVAL(String()), DEFVAL(Ref<X509Certificate>()));
ClassDB::bind_method(D_METHOD("get_status"), &PacketPeerDTLS::get_status);
ClassDB::bind_method(D_METHOD("disconnect_from_peer"), &PacketPeerDTLS::disconnect_from_peer);
BIND_ENUM_CONSTANT(STATUS_DISCONNECTED);
BIND_ENUM_CONSTANT(STATUS_HANDSHAKING);
BIND_ENUM_CONSTANT(STATUS_CONNECTED);
BIND_ENUM_CONSTANT(STATUS_ERROR);
BIND_ENUM_CONSTANT(STATUS_ERROR_HOSTNAME_MISMATCH);
}
PacketPeerDTLS::PacketPeerDTLS() {
}

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core/io/packet_peer_dtls.h Normal file
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/*************************************************************************/
/* packet_peer_dtls.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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_DTLS_H
#define PACKET_PEER_DTLS_H
#include "core/crypto/crypto.h"
#include "core/io/packet_peer_udp.h"
class PacketPeerDTLS : public PacketPeer {
GDCLASS(PacketPeerDTLS, PacketPeer);
protected:
static PacketPeerDTLS *(*_create)();
static void _bind_methods();
static bool available;
public:
enum Status {
STATUS_DISCONNECTED,
STATUS_HANDSHAKING,
STATUS_CONNECTED,
STATUS_ERROR,
STATUS_ERROR_HOSTNAME_MISMATCH
};
virtual void poll() = 0;
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>()) = 0;
virtual void disconnect_from_peer() = 0;
virtual Status get_status() const = 0;
static PacketPeerDTLS *create();
static bool is_available();
PacketPeerDTLS();
};
VARIANT_ENUM_CAST(PacketPeerDTLS::Status);
#endif // PACKET_PEER_DTLS_H