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_SSLADAPTER_H__
29#define TALK_BASE_SSLADAPTER_H__
30
31#include "talk/base/asyncsocket.h"
32
33namespace talk_base {
34
35///////////////////////////////////////////////////////////////////////////////
36
37class SSLAdapter : public AsyncSocketAdapter {
38public:
39  SSLAdapter(AsyncSocket* socket)
40    : AsyncSocketAdapter(socket), ignore_bad_cert_(false) { }
41
42  bool ignore_bad_cert() const { return ignore_bad_cert_; }
43  void set_ignore_bad_cert(bool ignore) { ignore_bad_cert_ = ignore; }
44
45  // StartSSL returns 0 if successful.
46  // If StartSSL is called while the socket is closed or connecting, the SSL
47  // negotiation will begin as soon as the socket connects.
48  virtual int StartSSL(const char* hostname, bool restartable) = 0;
49
50  // Create the default SSL adapter for this platform
51  static SSLAdapter* Create(AsyncSocket* socket);
52
53private:
54  // If true, the server certificate need not match the configured hostname.
55  bool ignore_bad_cert_;
56};
57
58///////////////////////////////////////////////////////////////////////////////
59
60typedef bool (*VerificationCallback)(void* cert);
61
62// Call this on the main thread, before using SSL.
63// Call CleanupSSLThread when finished with SSL.
64bool InitializeSSL(VerificationCallback callback = NULL);
65
66// Call to initialize additional threads.
67bool InitializeSSLThread();
68
69// Call to cleanup additional threads, and also the main thread.
70bool CleanupSSL();
71
72///////////////////////////////////////////////////////////////////////////////
73
74}  // namespace talk_base
75
76#endif // TALK_BASE_SSLADAPTER_H__
77