| 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 */ |
| 24 | /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ |
| 25 | /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ |
| 26 | /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ |
| 27 | /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ |
| 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 | |
| 38 | class StreamPeerMbedTLS : public StreamPeerTLS { |
| 39 | private: |
| 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 | |
| 51 | protected: |
| 52 | Ref<TLSContextMbedTLS> tls_ctx; |
| 53 | |
| 54 | Error _do_handshake(); |
| 55 | |
| 56 | public: |
| 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 | |