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source: webrtc/talk/base/schanneladapter.h @ 0:4bda6873e34c

pub_scrub_3792 tip
Last change on this file since 0:4bda6873e34c was 0:4bda6873e34c, checked in by Michael Prittie <mprittie@…>, 6 years ago

Scrubbed password for publication.

File size: 3.3 KB
Line 
1/*
2 * libjingle
3 * Copyright 2004--2005, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef TALK_BASE_SCHANNELADAPTER_H__
29#define TALK_BASE_SCHANNELADAPTER_H__
30
31#include <string>
32#include "talk/base/ssladapter.h"
33#include "talk/base/messagequeue.h"
34struct _SecBufferDesc;
35
36namespace talk_base {
37
38///////////////////////////////////////////////////////////////////////////////
39
40class SChannelAdapter : public SSLAdapter, public MessageHandler {
41public:
42  SChannelAdapter(AsyncSocket* socket);
43  virtual ~SChannelAdapter();
44
45  virtual int StartSSL(const char* hostname, bool restartable);
46  virtual int Send(const void* pv, size_t cb);
47  virtual int Recv(void* pv, size_t cb);
48  virtual int Close();
49
50  // Note that the socket returns ST_CONNECTING while SSL is being negotiated.
51  virtual ConnState GetState() const;
52
53protected:
54  enum SSLState {
55    SSL_NONE, SSL_WAIT, SSL_CONNECTING, SSL_CONNECTED, SSL_ERROR
56  };
57  struct SSLImpl;
58
59  virtual void OnConnectEvent(AsyncSocket* socket);
60  virtual void OnReadEvent(AsyncSocket* socket);
61  virtual void OnWriteEvent(AsyncSocket* socket);
62  virtual void OnCloseEvent(AsyncSocket* socket, int err);
63  virtual void OnMessage(Message* pmsg);
64
65  int BeginSSL();
66  int ContinueSSL();
67  int ProcessContext(long int status, _SecBufferDesc* sbd_in,
68                     _SecBufferDesc* sbd_out);
69  int DecryptData();
70
71  int Read();
72  int Flush();
73  void Error(const char* context, int err, bool signal = true);
74  void Cleanup();
75
76  void PostEvent();
77
78private:
79  SSLState state_;
80  std::string ssl_host_name_;
81  // If true, socket will retain SSL configuration after Close.
82  bool restartable_;
83  // If true, we are delaying signalling close until all data is read.
84  bool signal_close_;
85  // If true, we are waiting to be woken up to signal readability or closure.
86  bool message_pending_;
87  SSLImpl* impl_;
88};
89
90/////////////////////////////////////////////////////////////////////////////
91
92} // namespace talk_base
93
94#endif // TALK_BASE_SCHANNELADAPTER_H__
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