1 files changed, 244 insertions, 0 deletions
diff --git a/chromium/third_party/webrtc/base/socketadapters.h b/chromium/third_party/webrtc/base/socketadapters.h
new file mode 100644
index 00000000000..3292df28924
--- /dev/null
+++ b/chromium/third_party/webrtc/base/socketadapters.h
@@ -0,0 +1,244 @@
+/*
+ *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_BASE_SOCKETADAPTERS_H_
+#define WEBRTC_BASE_SOCKETADAPTERS_H_
+
+#include <map>
+#include <string>
+
+#include "webrtc/base/asyncsocket.h"
+#include "webrtc/base/cryptstring.h"
+#include "webrtc/base/logging.h"
+
+namespace rtc {
+
+struct HttpAuthContext;
+class ByteBuffer;
+
+///////////////////////////////////////////////////////////////////////////////
+
+// Implements a socket adapter that can buffer and process data internally,
+// as in the case of connecting to a proxy, where you must speak the proxy
+// protocol before commencing normal socket behavior.
+class BufferedReadAdapter : public AsyncSocketAdapter {
+ public:
+  BufferedReadAdapter(AsyncSocket* socket, size_t buffer_size);
+  virtual ~BufferedReadAdapter();
+
+  virtual int Send(const void* pv, size_t cb);
+  virtual int Recv(void* pv, size_t cb);
+
+ protected:
+  int DirectSend(const void* pv, size_t cb) {
+    return AsyncSocketAdapter::Send(pv, cb);
+  }
+
+  void BufferInput(bool on = true);
+  virtual void ProcessInput(char* data, size_t* len) = 0;
+
+  virtual void OnReadEvent(AsyncSocket * socket);
+
+ private:
+  char * buffer_;
+  size_t buffer_size_, data_len_;
+  bool buffering_;
+  DISALLOW_EVIL_CONSTRUCTORS(BufferedReadAdapter);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+// Interface for implementing proxy server sockets.
+class AsyncProxyServerSocket : public BufferedReadAdapter {
+ public:
+  AsyncProxyServerSocket(AsyncSocket* socket, size_t buffer_size)
+      : BufferedReadAdapter(socket, buffer_size) {}
+  sigslot::signal2<AsyncProxyServerSocket*,
+                   const SocketAddress&>  SignalConnectRequest;
+  virtual void SendConnectResult(int err, const SocketAddress& addr) = 0;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+// Implements a socket adapter that performs the client side of a
+// fake SSL handshake. Used for "ssltcp" P2P functionality.
+class AsyncSSLSocket : public BufferedReadAdapter {
+ public:
+  explicit AsyncSSLSocket(AsyncSocket* socket);
+
+  virtual int Connect(const SocketAddress& addr);
+
+ protected:
+  virtual void OnConnectEvent(AsyncSocket* socket);
+  virtual void ProcessInput(char* data, size_t* len);
+  DISALLOW_EVIL_CONSTRUCTORS(AsyncSSLSocket);
+};
+
+// Implements a socket adapter that performs the server side of a
+// fake SSL handshake. Used when implementing a relay server that does "ssltcp".
+class AsyncSSLServerSocket : public BufferedReadAdapter {
+ public:
+  explicit AsyncSSLServerSocket(AsyncSocket* socket);
+
+ protected:
+  virtual void ProcessInput(char* data, size_t* len);
+  DISALLOW_EVIL_CONSTRUCTORS(AsyncSSLServerSocket);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+// Implements a socket adapter that speaks the HTTP/S proxy protocol.
+class AsyncHttpsProxySocket : public BufferedReadAdapter {
+ public:
+  AsyncHttpsProxySocket(AsyncSocket* socket, const std::string& user_agent,
+    const SocketAddress& proxy,
+    const std::string& username, const CryptString& password);
+  virtual ~AsyncHttpsProxySocket();
+
+  // If connect is forced, the adapter will always issue an HTTP CONNECT to the
+  // target address.  Otherwise, it will connect only if the destination port
+  // is not port 80.
+  void SetForceConnect(bool force) { force_connect_ = force; }
+
+  virtual int Connect(const SocketAddress& addr);
+  virtual SocketAddress GetRemoteAddress() const;
+  virtual int Close();
+  virtual ConnState GetState() const;
+
+ protected:
+  virtual void OnConnectEvent(AsyncSocket* socket);
+  virtual void OnCloseEvent(AsyncSocket* socket, int err);
+  virtual void ProcessInput(char* data, size_t* len);
+
+  bool ShouldIssueConnect() const;
+  void SendRequest();
+  void ProcessLine(char* data, size_t len);
+  void EndResponse();
+  void Error(int error);
+
+ private:
+  SocketAddress proxy_, dest_;
+  std::string agent_, user_, headers_;
+  CryptString pass_;
+  bool force_connect_;
+  size_t content_length_;
+  int defer_error_;
+  bool expect_close_;
+  enum ProxyState {
+    PS_INIT, PS_LEADER, PS_AUTHENTICATE, PS_SKIP_HEADERS, PS_ERROR_HEADERS,
+    PS_TUNNEL_HEADERS, PS_SKIP_BODY, PS_TUNNEL, PS_WAIT_CLOSE, PS_ERROR
+  } state_;
+  HttpAuthContext * context_;
+  std::string unknown_mechanisms_;
+  DISALLOW_EVIL_CONSTRUCTORS(AsyncHttpsProxySocket);
+};
+
+/* TODO: Implement this.
+class AsyncHttpsProxyServerSocket : public AsyncProxyServerSocket {
+ public:
+  explicit AsyncHttpsProxyServerSocket(AsyncSocket* socket);
+
+ private:
+  virtual void ProcessInput(char * data, size_t& len);
+  void Error(int error);
+  DISALLOW_EVIL_CONSTRUCTORS(AsyncHttpsProxyServerSocket);
+};
+*/
+
+///////////////////////////////////////////////////////////////////////////////
+
+// Implements a socket adapter that speaks the SOCKS proxy protocol.
+class AsyncSocksProxySocket : public BufferedReadAdapter {
+ public:
+  AsyncSocksProxySocket(AsyncSocket* socket, const SocketAddress& proxy,
+    const std::string& username, const CryptString& password);
+
+  virtual int Connect(const SocketAddress& addr);
+  virtual SocketAddress GetRemoteAddress() const;
+  virtual int Close();
+  virtual ConnState GetState() const;
+
+ protected:
+  virtual void OnConnectEvent(AsyncSocket* socket);
+  virtual void ProcessInput(char* data, size_t* len);
+
+  void SendHello();
+  void SendConnect();
+  void SendAuth();
+  void Error(int error);
+
+ private:
+  enum State {
+    SS_INIT, SS_HELLO, SS_AUTH, SS_CONNECT, SS_TUNNEL, SS_ERROR
+  };
+  State state_;
+  SocketAddress proxy_, dest_;
+  std::string user_;
+  CryptString pass_;
+  DISALLOW_EVIL_CONSTRUCTORS(AsyncSocksProxySocket);
+};
+
+// Implements a proxy server socket for the SOCKS protocol.
+class AsyncSocksProxyServerSocket : public AsyncProxyServerSocket {
+ public:
+  explicit AsyncSocksProxyServerSocket(AsyncSocket* socket);
+
+ private:
+  virtual void ProcessInput(char* data, size_t* len);
+  void DirectSend(const ByteBuffer& buf);
+
+  void HandleHello(ByteBuffer* request);
+  void SendHelloReply(int method);
+  void HandleAuth(ByteBuffer* request);
+  void SendAuthReply(int result);
+  void HandleConnect(ByteBuffer* request);
+  virtual void SendConnectResult(int result, const SocketAddress& addr);
+
+  void Error(int error);
+
+  static const int kBufferSize = 1024;
+  enum State {
+    SS_HELLO, SS_AUTH, SS_CONNECT, SS_CONNECT_PENDING, SS_TUNNEL, SS_ERROR
+  };
+  State state_;
+  DISALLOW_EVIL_CONSTRUCTORS(AsyncSocksProxyServerSocket);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+// Implements a socket adapter that logs everything that it sends and receives.
+class LoggingSocketAdapter : public AsyncSocketAdapter {
+ public:
+  LoggingSocketAdapter(AsyncSocket* socket, LoggingSeverity level,
+                 const char * label, bool hex_mode = false);
+
+  virtual int Send(const void *pv, size_t cb);
+  virtual int SendTo(const void *pv, size_t cb, const SocketAddress& addr);
+  virtual int Recv(void *pv, size_t cb);
+  virtual int RecvFrom(void *pv, size_t cb, SocketAddress *paddr);
+  virtual int Close();
+
+ protected:
+  virtual void OnConnectEvent(AsyncSocket * socket);
+  virtual void OnCloseEvent(AsyncSocket * socket, int err);
+
+ private:
+  LoggingSeverity level_;
+  std::string label_;
+  bool hex_mode_;
+  LogMultilineState lms_;
+  DISALLOW_EVIL_CONSTRUCTORS(LoggingSocketAdapter);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+}  // namespace rtc
+
+#endif  // WEBRTC_BASE_SOCKETADAPTERS_H_