73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
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/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_SERVER_SOCKET_ADAPTERS_H_
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#define RTC_BASE_SERVER_SOCKET_ADAPTERS_H_
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#include "rtc_base/socket_adapters.h"
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namespace rtc {
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// Interface for implementing proxy server sockets.
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class AsyncProxyServerSocket : public BufferedReadAdapter {
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public:
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AsyncProxyServerSocket(AsyncSocket* socket, size_t buffer_size);
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~AsyncProxyServerSocket() override;
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sigslot::signal2<AsyncProxyServerSocket*, const SocketAddress&>
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SignalConnectRequest;
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virtual void SendConnectResult(int err, const SocketAddress& addr) = 0;
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};
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// Implements a socket adapter that performs the server side of a
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// fake SSL handshake. Used when implementing a relay server that does "ssltcp".
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class AsyncSSLServerSocket : public BufferedReadAdapter {
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public:
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explicit AsyncSSLServerSocket(AsyncSocket* socket);
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protected:
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void ProcessInput(char* data, size_t* len) override;
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RTC_DISALLOW_COPY_AND_ASSIGN(AsyncSSLServerSocket);
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};
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// Implements a proxy server socket for the SOCKS protocol.
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class AsyncSocksProxyServerSocket : public AsyncProxyServerSocket {
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public:
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explicit AsyncSocksProxyServerSocket(AsyncSocket* socket);
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private:
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void ProcessInput(char* data, size_t* len) override;
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void DirectSend(const ByteBufferWriter& buf);
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void HandleHello(ByteBufferReader* request);
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void SendHelloReply(uint8_t method);
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void HandleAuth(ByteBufferReader* request);
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void SendAuthReply(uint8_t result);
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void HandleConnect(ByteBufferReader* request);
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void SendConnectResult(int result, const SocketAddress& addr) override;
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void Error(int error);
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static const int kBufferSize = 1024;
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enum State {
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SS_HELLO,
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SS_AUTH,
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SS_CONNECT,
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SS_CONNECT_PENDING,
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SS_TUNNEL,
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SS_ERROR
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};
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State state_;
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RTC_DISALLOW_COPY_AND_ASSIGN(AsyncSocksProxyServerSocket);
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};
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} // namespace rtc
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#endif // RTC_BASE_SERVER_SOCKET_ADAPTERS_H_
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