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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "qpid/client/TCPConnector.h"
#include "config.h"
#include "qpid/Msg.h"
#include "qpid/client/ConnectionImpl.h"
#include "qpid/client/ConnectionSettings.h"
#include "qpid/log/Statement.h"
#include "qpid/sys/Dispatcher.h"
#include "qpid/sys/Poller.h"
#include "qpid/sys/Time.h"
#include "qpid/sys/windows/check.h"
#include "qpid/sys/windows/SslAsynchIO.h"
#include <iostream>
#include <boost/bind.hpp>
#include <boost/format.hpp>
#include <memory.h>
// security.h needs to see this to distinguish from kernel use.
#define SECURITY_WIN32
#include <security.h>
#include <Schnlsp.h>
#undef SECURITY_WIN32
#include <winsock2.h>
namespace qpid {
namespace client {
namespace windows {
using namespace qpid::sys;
using boost::format;
using boost::str;
class SslConnector : public qpid::client::TCPConnector
{
qpid::sys::windows::ClientSslAsynchIO *shim;
boost::shared_ptr<qpid::sys::Poller> poller;
std::string brokerHost;
SCHANNEL_CRED cred;
CredHandle credHandle;
TimeStamp credExpiry;
virtual ~SslConnector();
void negotiationDone(SECURITY_STATUS status);
// A number of AsynchIO callbacks go right through to TCPConnector, but
// we can't boost::bind to a protected ancestor, so these methods redirect
// to those TCPConnector methods.
bool redirectReadbuff(qpid::sys::AsynchIO&, qpid::sys::AsynchIOBufferBase*);
void redirectWritebuff(qpid::sys::AsynchIO&);
void redirectEof(qpid::sys::AsynchIO&);
public:
SslConnector(boost::shared_ptr<qpid::sys::Poller>,
framing::ProtocolVersion pVersion,
const ConnectionSettings&,
ConnectionImpl*);
virtual void connect(const std::string& host, int port);
virtual void connected(const Socket&);
unsigned int getSSF();
};
// Static constructor which registers connector here
namespace {
Connector* create(boost::shared_ptr<qpid::sys::Poller> p,
framing::ProtocolVersion v,
const ConnectionSettings& s,
ConnectionImpl* c) {
return new SslConnector(p, v, s, c);
}
struct StaticInit {
StaticInit() {
try {
Connector::registerFactory("ssl", &create);
} catch (const std::exception& e) {
QPID_LOG(error, "Failed to initialise SSL connector: " << e.what());
}
};
~StaticInit() { }
} init;
}
void SslConnector::negotiationDone(SECURITY_STATUS status)
{
if (status == SEC_E_OK)
initAmqp();
else
connectFailed(QPID_MSG(qpid::sys::strError(status)));
}
bool SslConnector::redirectReadbuff(qpid::sys::AsynchIO& a,
qpid::sys::AsynchIOBufferBase* b) {
return readbuff(a, b);
}
void SslConnector::redirectWritebuff(qpid::sys::AsynchIO& a) {
writebuff(a);
}
void SslConnector::redirectEof(qpid::sys::AsynchIO& a) {
eof(a);
}
SslConnector::SslConnector(boost::shared_ptr<qpid::sys::Poller> p,
framing::ProtocolVersion ver,
const ConnectionSettings& settings,
ConnectionImpl* cimpl)
: TCPConnector(p, ver, settings, cimpl), shim(0), poller(p)
{
memset(&cred, 0, sizeof(cred));
cred.dwVersion = SCHANNEL_CRED_VERSION;
SECURITY_STATUS status = ::AcquireCredentialsHandle(NULL,
UNISP_NAME,
SECPKG_CRED_OUTBOUND,
NULL,
&cred,
NULL,
NULL,
&credHandle,
&credExpiry);
if (status != SEC_E_OK)
throw QPID_WINDOWS_ERROR(status);
QPID_LOG(debug, "SslConnector created for " << ver.toString());
}
SslConnector::~SslConnector()
{
::FreeCredentialsHandle(&credHandle);
}
// Will this get reach via virtual method via boost::bind????
void SslConnector::connect(const std::string& host, int port) {
brokerHost = host;
TCPConnector::connect(host, port);
}
void SslConnector::connected(const Socket& s) {
shim = new qpid::sys::windows::ClientSslAsynchIO(brokerHost,
s,
credHandle,
boost::bind(&SslConnector::redirectReadbuff, this, _1, _2),
boost::bind(&SslConnector::redirectEof, this, _1),
boost::bind(&SslConnector::redirectEof, this, _1),
0, // closed
0, // nobuffs
boost::bind(&SslConnector::redirectWritebuff, this, _1),
boost::bind(&SslConnector::negotiationDone, this, _1));
start(shim);
shim->start(poller);
}
unsigned int SslConnector::getSSF()
{
return shim->getSslKeySize();
}
}}} // namespace qpid::client::windows
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