28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
106 lines
3.7 KiB
C++
106 lines
3.7 KiB
C++
/*
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* libjingle
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* Copyright 2004--2005, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_BASE_OPENSSLADAPTER_H__
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#define TALK_BASE_OPENSSLADAPTER_H__
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#include <string>
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#include "talk/base/ssladapter.h"
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typedef struct ssl_st SSL;
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typedef struct ssl_ctx_st SSL_CTX;
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typedef struct x509_store_ctx_st X509_STORE_CTX;
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namespace talk_base {
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///////////////////////////////////////////////////////////////////////////////
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class OpenSSLAdapter : public SSLAdapter {
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public:
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static bool InitializeSSL(VerificationCallback callback);
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static bool InitializeSSLThread();
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static bool CleanupSSL();
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OpenSSLAdapter(AsyncSocket* socket);
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virtual ~OpenSSLAdapter();
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virtual int StartSSL(const char* hostname, bool restartable);
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virtual int Send(const void* pv, size_t cb);
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virtual int Recv(void* pv, size_t cb);
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virtual int Close();
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// Note that the socket returns ST_CONNECTING while SSL is being negotiated.
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virtual ConnState GetState() const;
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protected:
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virtual void OnConnectEvent(AsyncSocket* socket);
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virtual void OnReadEvent(AsyncSocket* socket);
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virtual void OnWriteEvent(AsyncSocket* socket);
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virtual void OnCloseEvent(AsyncSocket* socket, int err);
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private:
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enum SSLState {
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SSL_NONE, SSL_WAIT, SSL_CONNECTING, SSL_CONNECTED, SSL_ERROR
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};
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int BeginSSL();
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int ContinueSSL();
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void Error(const char* context, int err, bool signal = true);
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void Cleanup();
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static bool VerifyServerName(SSL* ssl, const char* host,
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bool ignore_bad_cert);
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bool SSLPostConnectionCheck(SSL* ssl, const char* host);
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#if _DEBUG
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static void SSLInfoCallback(const SSL* s, int where, int ret);
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#endif // !_DEBUG
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static int SSLVerifyCallback(int ok, X509_STORE_CTX* store);
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static VerificationCallback custom_verify_callback_;
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friend class OpenSSLStreamAdapter; // for custom_verify_callback_;
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static bool ConfigureTrustedRootCertificates(SSL_CTX* ctx);
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static SSL_CTX* SetupSSLContext();
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SSLState state_;
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bool ssl_read_needs_write_;
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bool ssl_write_needs_read_;
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// If true, socket will retain SSL configuration after Close.
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bool restartable_;
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SSL* ssl_;
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SSL_CTX* ssl_ctx_;
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std::string ssl_host_name_;
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bool custom_verification_succeeded_;
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};
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/////////////////////////////////////////////////////////////////////////////
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} // namespace talk_base
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#endif // TALK_BASE_OPENSSLADAPTER_H__
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