Remove orphaned files.

webrtc/base/sslstreamadapterhelper.h

-/*
- *  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_SSLSTREAMADAPTERHELPER_H_
-#define WEBRTC_BASE_SSLSTREAMADAPTERHELPER_H_
-
-#include <string>
-#include <vector>
-
-#include "webrtc/base/buffer.h"
-#include "webrtc/base/stream.h"
-#include "webrtc/base/sslidentity.h"
-#include "webrtc/base/sslstreamadapter.h"
-
-namespace rtc {
-
-// SSLStreamAdapterHelper : A stream adapter which implements much
-// of the logic that is common between the known implementations
-// (OpenSSL and previously NSS)
-class SSLStreamAdapterHelper : public SSLStreamAdapter {
- public:
-  explicit SSLStreamAdapterHelper(StreamInterface* stream);
-  ~SSLStreamAdapterHelper() override;
-
-  // Overrides of SSLStreamAdapter
-  void SetIdentity(SSLIdentity* identity) override;
-  void SetServerRole(SSLRole role = SSL_SERVER) override;
-  void SetMode(SSLMode mode) override;
-  void SetMaxProtocolVersion(SSLProtocolVersion version) override;
-
-  int StartSSLWithServer(const char* server_name) override;
-  int StartSSLWithPeer() override;
-
-  bool SetPeerCertificateDigest(const std::string& digest_alg,
-                                const unsigned char* digest_val,
-                                size_t digest_len) override;
-  bool GetPeerCertificate(SSLCertificate** cert) const override;
-  StreamState GetState() const override;
-  void Close() override;
-
- protected:
-  // Internal helper methods
-  // The following method returns 0 on success and a negative
-  // error code on failure. The error code may be either -1 or
-  // from the impl on some other error cases, so it can't really be
-  // interpreted unfortunately.
-
-  // Perform SSL negotiation steps.
-  int ContinueSSL();
-
-  // Error handler helper. signal is given as true for errors in
-  // asynchronous contexts (when an error code was not returned
-  // through some other method), and in that case an SE_CLOSE event is
-  // raised on the stream with the specified error.
-  // A 0 error means a graceful close, otherwise there is not really enough
-  // context to interpret the error code.
-  virtual void Error(const char* context, int err, bool signal);
-
-  // Must be implemented by descendents
-  virtual int BeginSSL() = 0;
-  virtual void Cleanup() = 0;
-  virtual bool GetDigestLength(const std::string& algorithm,
-                               size_t* length) = 0;
-
-  enum SSLState {
-    // Before calling one of the StartSSL methods, data flows
-    // in clear text.
-    SSL_NONE,
-    SSL_WAIT,  // waiting for the stream to open to start SSL negotiation
-    SSL_CONNECTING,  // SSL negotiation in progress
-    SSL_CONNECTED,  // SSL stream successfully established
-    SSL_ERROR,  // some SSL error occurred, stream is closed
-    SSL_CLOSED  // Clean close
-  };
-
-  // MSG_MAX is the maximum generic stream message number.
-  enum { MSG_DTLS_TIMEOUT = MSG_MAX + 1 };
-
-  SSLState state_;
-  SSLRole role_;
-  int ssl_error_code_;  // valid when state_ == SSL_ERROR
-
-  // Our key and certificate, mostly useful in peer-to-peer mode.
-  scoped_ptr<SSLIdentity> identity_;
-  // in traditional mode, the server name that the server's certificate
-  // must specify. Empty in peer-to-peer mode.
-  std::string ssl_server_name_;
-  // The peer's certificate. Only used for GetPeerCertificate.
-  scoped_ptr<SSLCertificate> peer_certificate_;
-
-  // The digest of the certificate that the peer must present.
-  Buffer peer_certificate_digest_value_;
-  std::string peer_certificate_digest_algorithm_;
-
-  // Do DTLS or not
-  SSLMode ssl_mode_;
-
-  // Maximum allowed protocol version.
-  SSLProtocolVersion ssl_max_version_;
-
- private:
-  // Go from state SSL_NONE to either SSL_CONNECTING or SSL_WAIT,
-  // depending on whether the underlying stream is already open or
-  // not. Returns 0 on success and a negative value on error.
-  int StartSSL();
-};
-
-}  // namespace rtc
-
-#endif  // WEBRTC_BASE_SSLSTREAMADAPTERHELPER_H_