1 /*************************************************************************/ 2 /* stream_peer_mbedtls.h */ 3 /*************************************************************************/ 4 /* This file is part of: */ 5 /* GODOT ENGINE */ 6 /* https://godotengine.org */ 7 /*************************************************************************/ 8 /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ 9 /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ 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_OPEN_SSL_H 32 #define STREAM_PEER_OPEN_SSL_H 33 34 #include "core/io/stream_peer_ssl.h" 35 #include "ssl_context_mbedtls.h" 36 37 class StreamPeerMbedTLS : public StreamPeerSSL { 38 private: 39 Status status; 40 String hostname; 41 42 Ref<StreamPeer> base; 43 44 static StreamPeerSSL *_create_func(); 45 46 static int bio_recv(void *ctx, unsigned char *buf, size_t len); 47 static int bio_send(void *ctx, const unsigned char *buf, size_t len); 48 void _cleanup(); 49 50 protected: 51 Ref<SSLContextMbedTLS> ssl_ctx; 52 53 static void _bind_methods(); 54 55 Error _do_handshake(); 56 57 public: 58 virtual void poll(); 59 virtual Error accept_stream(Ref<StreamPeer> p_base, Ref<CryptoKey> p_key, Ref<X509Certificate> p_cert, Ref<X509Certificate> p_ca_chain = Ref<X509Certificate>()); 60 virtual Error connect_to_stream(Ref<StreamPeer> p_base, bool p_validate_certs = false, const String &p_for_hostname = String(), Ref<X509Certificate> p_valid_cert = Ref<X509Certificate>()); 61 virtual Status get_status() 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_ssl(); 74 static void finalize_ssl(); 75 76 StreamPeerMbedTLS(); 77 ~StreamPeerMbedTLS(); 78 }; 79 80 #endif // STREAM_PEER_SSL_H 81