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/*
* Copyright (c) 2011 Soren Dreijer
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
#pragma once
#include "Swiften/Base/boost_bsignals.h"
#include "Swiften/TLS/TLSContext.h"
#include "Swiften/TLS/Schannel/SchannelUtil.h"
#include <Swiften/TLS/CertificateWithKey.h>
#include "Swiften/Base/ByteArray.h"
#define SECURITY_WIN32
#include <Windows.h>
#include <Schannel.h>
#include <security.h>
#include <schnlsp.h>
#include <boost/noncopyable.hpp>
namespace Swift
{
class SchannelContext : public TLSContext, boost::noncopyable
{
public:
typedef boost::shared_ptr<SchannelContext> sp_t;
public:
SchannelContext();
~SchannelContext();
//
// TLSContext
//
virtual void connect();
virtual bool setClientCertificate(CertificateWithKey::ref cert);
virtual void handleDataFromNetwork(const SafeByteArray& data);
virtual void handleDataFromApplication(const SafeByteArray& data);
virtual Certificate::ref getPeerCertificate() const;
virtual CertificateVerificationError::ref getPeerCertificateVerificationError() const;
virtual ByteArray getFinishMessage() const;
private:
void determineStreamSizes();
void continueHandshake(const SafeByteArray& data);
void indicateError();
void handleCertError(SECURITY_STATUS status) ;
void sendDataOnNetwork(const void* pData, size_t dataSize);
void forwardDataToApplication(const void* pData, size_t dataSize);
void decryptAndProcessData(const SafeByteArray& data);
void encryptAndSendData(const SafeByteArray& data);
void appendNewData(const SafeByteArray& data);
SECURITY_STATUS validateServerCertificate();
private:
enum SchannelState
{
Start,
Connecting,
Connected,
Error
};
SchannelState m_state;
boost::optional<CertificateVerificationError> m_verificationError;
ULONG m_secContext;
ScopedCredHandle m_credHandle;
ScopedCtxtHandle m_ctxtHandle;
DWORD m_ctxtFlags;
SecPkgContext_StreamSizes m_streamSizes;
std::vector<char> m_receivedData;
HCERTSTORE m_my_cert_store;
std::string m_cert_store_name;
std::string m_cert_name;
};
}
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