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// **********************************************************************
//
// Copyright (c) 2003-2006 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <IceSSL/ConnectorI.h>
#include <IceSSL/Instance.h>
#include <IceSSL/TransceiverI.h>
#include <IceSSL/Util.h>
#include <Ice/Communicator.h>
#include <Ice/LocalException.h>
#include <Ice/LoggerUtil.h>
#include <Ice/Network.h>
using namespace std;
using namespace Ice;
using namespace IceSSL;
IceInternal::TransceiverPtr
IceSSL::ConnectorI::connect(int timeout)
{
//
// The plugin may not be initialized.
//
if(!_instance->context())
{
PluginInitializationException ex(__FILE__, __LINE__);
ex.reason = "IceSSL: plugin is not initialized";
throw ex;
}
if(_instance->networkTraceLevel() >= 2)
{
Trace out(_logger, _instance->networkTraceCategory());
out << "trying to establish ssl connection to " << toString();
}
SOCKET fd = IceInternal::createSocket(false);
IceInternal::setBlock(fd, false);
IceInternal::doConnect(fd, _addr, timeout);
BIO* bio = BIO_new_socket(fd, BIO_CLOSE);
if(!bio)
{
IceInternal::closeSocketNoThrow(fd);
SecurityException ex(__FILE__, __LINE__);
ex.reason = "openssl failure";
throw ex;
}
SSL* ssl = SSL_new(_instance->context());
if(!ssl)
{
BIO_free(bio); // Also closes the socket.
SecurityException ex(__FILE__, __LINE__);
ex.reason = "openssl failure";
throw ex;
}
SSL_set_bio(ssl, bio, bio);
try
{
do
{
int result = SSL_connect(ssl);
switch(SSL_get_error(ssl, result))
{
case SSL_ERROR_NONE:
break;
case SSL_ERROR_ZERO_RETURN:
{
ConnectionLostException ex(__FILE__, __LINE__);
ex.error = IceInternal::getSocketErrno();
throw ex;
}
case SSL_ERROR_WANT_READ:
if(!selectRead(fd, timeout))
{
throw ConnectTimeoutException(__FILE__, __LINE__);
}
break;
case SSL_ERROR_WANT_WRITE:
if(!selectWrite(fd, timeout))
{
throw ConnectTimeoutException(__FILE__, __LINE__);
}
break;
case SSL_ERROR_SYSCALL:
{
if(result == -1)
{
if(IceInternal::interrupted())
{
break;
}
if(IceInternal::wouldBlock())
{
if(SSL_want_read(ssl))
{
if(!selectRead(fd, timeout))
{
throw ConnectTimeoutException(__FILE__, __LINE__);
}
}
else if(SSL_want_write(ssl))
{
if(!selectWrite(fd, timeout))
{
throw ConnectTimeoutException(__FILE__, __LINE__);
}
}
continue;
}
if(IceInternal::connectionLost())
{
ConnectionLostException ex(__FILE__, __LINE__);
ex.error = IceInternal::getSocketErrno();
throw ex;
}
}
if(result == 0)
{
ConnectionLostException ex(__FILE__, __LINE__);
ex.error = 0;
throw ex;
}
SocketException ex(__FILE__, __LINE__);
ex.error = IceInternal::getSocketErrno();
throw ex;
}
case SSL_ERROR_SSL:
{
ProtocolException ex(__FILE__, __LINE__);
ex.reason = "SSL error for new outgoing connection:\nremote address = " +
IceInternal::addrToString(_addr) + "\n" + _instance->sslErrors();
throw ex;
}
}
}
while(!SSL_is_init_finished(ssl));
_instance->verifyPeer(ssl, fd, _host, "", false);
}
catch(...)
{
SSL_free(ssl);
throw;
}
if(_instance->networkTraceLevel() >= 1)
{
Trace out(_logger, _instance->networkTraceCategory());
out << "ssl connection established\n" << IceInternal::fdToString(fd);
}
if(_instance->securityTraceLevel() >= 1)
{
_instance->traceConnection(ssl, false);
}
return new TransceiverI(_instance, ssl, fd, false);
}
string
IceSSL::ConnectorI::toString() const
{
return IceInternal::addrToString(_addr);
}
IceSSL::ConnectorI::ConnectorI(const InstancePtr& instance, const string& host, int port) :
_instance(instance),
_host(host),
_logger(instance->communicator()->getLogger())
{
IceInternal::getAddress(host, port, _addr);
}
IceSSL::ConnectorI::~ConnectorI()
{
}
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