103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_BASE_OPENSSLADAPTER_H__
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#define WEBRTC_BASE_OPENSSLADAPTER_H__
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#include <string>
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#include "webrtc/base/messagehandler.h"
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#include "webrtc/base/messagequeue.h"
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#include "webrtc/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 rtc {
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///////////////////////////////////////////////////////////////////////////////
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class OpenSSLAdapter : public SSLAdapter, public MessageHandler {
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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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~OpenSSLAdapter() override;
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void SetMode(SSLMode mode) override;
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int StartSSL(const char* hostname, bool restartable) override;
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int Send(const void* pv, size_t cb) override;
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int SendTo(const void* pv, size_t cb, const SocketAddress& addr) override;
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int Recv(void* pv, size_t cb, int64_t* timestamp) override;
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int RecvFrom(void* pv,
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size_t cb,
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SocketAddress* paddr,
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int64_t* timestamp) override;
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int Close() override;
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// Note that the socket returns ST_CONNECTING while SSL is being negotiated.
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ConnState GetState() const override;
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protected:
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void OnConnectEvent(AsyncSocket* socket) override;
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void OnReadEvent(AsyncSocket* socket) override;
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void OnWriteEvent(AsyncSocket* socket) override;
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void OnCloseEvent(AsyncSocket* socket, int err) override;
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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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enum { MSG_TIMEOUT };
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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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void OnMessage(Message* msg) override;
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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 !defined(NDEBUG)
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static void SSLInfoCallback(const SSL* s, int where, int ret);
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#endif
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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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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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// Do DTLS or not
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SSLMode ssl_mode_;
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bool custom_verification_succeeded_;
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};
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/////////////////////////////////////////////////////////////////////////////
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} // namespace rtc
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#endif // WEBRTC_BASE_OPENSSLADAPTER_H__
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