Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 207 insertions, 0 deletions

diff --git a/third_party/libwebrtc/webrtc/rtc_base/socketadapters.h b/third_party/libwebrtc/webrtc/rtc_base/socketadapters.h
new file mode 100644
index 0000000000..c5d1bfcabb
--- /dev/null
+++ b/third_party/libwebrtc/webrtc/rtc_base/socketadapters.h
@@ -0,0 +1,207 @@
+/*
+ *  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 RTC_BASE_SOCKETADAPTERS_H_
+#define RTC_BASE_SOCKETADAPTERS_H_
+
+#include <map>
+#include <string>
+
+#include "rtc_base/asyncsocket.h"
+#include "rtc_base/constructormagic.h"
+#include "rtc_base/cryptstring.h"
+#include "rtc_base/logging.h"
+
+namespace rtc {
+
+struct HttpAuthContext;
+class ByteBufferReader;
+class ByteBufferWriter;
+
+///////////////////////////////////////////////////////////////////////////////
+
+// 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);
+  ~BufferedReadAdapter() override;
+
+  int Send(const void* pv, size_t cb) override;
+  int Recv(void* pv, size_t cb, int64_t* timestamp) override;
+
+ 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;
+
+  void OnReadEvent(AsyncSocket* socket) override;
+
+ private:
+  char * buffer_;
+  size_t buffer_size_, data_len_;
+  bool buffering_;
+  RTC_DISALLOW_COPY_AND_ASSIGN(BufferedReadAdapter);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+// Interface for implementing proxy server sockets.
+class AsyncProxyServerSocket : public BufferedReadAdapter {
+ public:
+  AsyncProxyServerSocket(AsyncSocket* socket, size_t buffer_size);
+  ~AsyncProxyServerSocket() override;
+  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);
+
+  int Connect(const SocketAddress& addr) override;
+
+ protected:
+  void OnConnectEvent(AsyncSocket* socket) override;
+  void ProcessInput(char* data, size_t* len) override;
+  RTC_DISALLOW_COPY_AND_ASSIGN(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:
+  void ProcessInput(char* data, size_t* len) override;
+  RTC_DISALLOW_COPY_AND_ASSIGN(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);
+  ~AsyncHttpsProxySocket() override;
+
+  // 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; }
+
+  int Connect(const SocketAddress& addr) override;
+  SocketAddress GetRemoteAddress() const override;
+  int Close() override;
+  ConnState GetState() const override;
+
+ protected:
+  void OnConnectEvent(AsyncSocket* socket) override;
+  void OnCloseEvent(AsyncSocket* socket, int err) override;
+  void ProcessInput(char* data, size_t* len) override;
+
+  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_;
+  RTC_DISALLOW_COPY_AND_ASSIGN(AsyncHttpsProxySocket);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+// 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);
+  ~AsyncSocksProxySocket() override;
+
+  int Connect(const SocketAddress& addr) override;
+  SocketAddress GetRemoteAddress() const override;
+  int Close() override;
+  ConnState GetState() const override;
+
+ protected:
+  void OnConnectEvent(AsyncSocket* socket) override;
+  void ProcessInput(char* data, size_t* len) override;
+
+  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_;
+  RTC_DISALLOW_COPY_AND_ASSIGN(AsyncSocksProxySocket);
+};
+
+// Implements a proxy server socket for the SOCKS protocol.
+class AsyncSocksProxyServerSocket : public AsyncProxyServerSocket {
+ public:
+  explicit AsyncSocksProxyServerSocket(AsyncSocket* socket);
+
+ private:
+  void ProcessInput(char* data, size_t* len) override;
+  void DirectSend(const ByteBufferWriter& buf);
+
+  void HandleHello(ByteBufferReader* request);
+  void SendHelloReply(uint8_t method);
+  void HandleAuth(ByteBufferReader* request);
+  void SendAuthReply(uint8_t result);
+  void HandleConnect(ByteBufferReader* request);
+  void SendConnectResult(int result, const SocketAddress& addr) override;
+
+  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_;
+  RTC_DISALLOW_COPY_AND_ASSIGN(AsyncSocksProxyServerSocket);
+};
+
+}  // namespace rtc
+
+#endif  // RTC_BASE_SOCKETADAPTERS_H_