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/*************************************************************************/
/* stream_peer_openssl.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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 STREAM_PEER_OPEN_SSL_H
#define STREAM_PEER_OPEN_SSL_H
#include "project_settings.h"
#include "io/stream_peer_ssl.h"
#include "os/file_access.h"
#include "thirdparty/misc/curl_hostcheck.h"
#include <openssl/bio.h> // BIO objects for I/O
#include <openssl/err.h> // Error reporting
#include <openssl/ssl.h> // SSL and SSL_CTX for SSL connections
#include <openssl/x509v3.h>
#include <stdio.h>
class StreamPeerOpenSSL : public StreamPeerSSL {
private:
static int _bio_create(BIO *b);
static int _bio_destroy(BIO *b);
static int _bio_read(BIO *b, char *buf, int len);
static int _bio_write(BIO *b, const char *buf, int len);
static long _bio_ctrl(BIO *b, int cmd, long num, void *ptr);
static int _bio_gets(BIO *b, char *buf, int len);
static int _bio_puts(BIO *b, const char *str);
static BIO_METHOD _bio_method;
static bool _match_host_name(const char *name, const char *hostname);
static Error _match_common_name(const char *hostname, const X509 *server_cert);
static Error _match_subject_alternative_name(const char *hostname, const X509 *server_cert);
static int _cert_verify_callback(X509_STORE_CTX *x509_ctx, void *arg);
Status status;
String hostname;
int max_cert_chain_depth;
SSL_CTX *ctx;
SSL *ssl;
BIO *bio;
bool connected;
int flags;
bool use_blocking;
bool validate_certs;
bool validate_hostname;
Ref<StreamPeer> base;
static StreamPeerSSL *_create_func();
void _print_error(int err);
static Vector<X509 *> certs;
static void _load_certs(const PoolByteArray &p_array);
protected:
static void _bind_methods();
public:
virtual Error accept_stream(Ref<StreamPeer> p_base);
virtual Error connect_to_stream(Ref<StreamPeer> p_base, bool p_validate_certs = false, const String &p_for_hostname = String());
virtual Status get_status() const;
virtual void disconnect_from_stream();
virtual Error put_data(const uint8_t *p_data, int p_bytes);
virtual Error put_partial_data(const uint8_t *p_data, int p_bytes, int &r_sent);
virtual Error get_data(uint8_t *p_buffer, int p_bytes);
virtual Error get_partial_data(uint8_t *p_buffer, int p_bytes, int &r_received);
virtual int get_available_bytes() const;
static void initialize_ssl();
static void finalize_ssl();
StreamPeerOpenSSL();
~StreamPeerOpenSSL();
};
#endif // STREAM_PEER_SSL_H
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