void QSslServer::incomingConnection(qintptr socket)
{
QSslSocket *pSslSocket = new QSslSocket();
if (Q_LIKELY(pSslSocket)) {
pSslSocket->setSslConfiguration(m_sslConfiguration);
if (Q_LIKELY(pSslSocket->setSocketDescriptor(socket)))
{
typedef void (QSslSocket::* sslErrorsSignal)(const QList<QSslError> &);
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 2)
connect(pSslSocket, &QSslSocket::peerVerifyError, this, &QSslServer::peerVerifyError);
connect(pSslSocket, &QSslSocket::encrypted, this, &QSslServer::newEncryptedConnection);
#else
connect(pSslSocket,SIGNAL(peerVerifyError(QSslError)), this, SIGNAL(peerVerifyError(QSslError)));
connect(pSslSocket, SIGNAL(sslErrors(QList<QSslError>)), this, SIGNAL(sslErrors(QList<QSslError>)));
connect(pSslSocket, SIGNAL(encrypted()), this, SIGNAL(newEncryptedConnection()));
#endif
addPendingConnection(pSslSocket);
pSslSocket->startServerEncryption();
}
else
{
delete pSslSocket;
}
}
}
void NetInterface::startArrangedConnection(NetConnection *conn)
{
conn->setConnectionState(NetConnection::SendingPunchPackets);
addPendingConnection(conn);
conn->mConnectSendCount = 0;
conn->mConnectLastSendTime = getCurrentTime();
sendPunchPackets(conn);
}
void CListenerSocket::incomingConnection(qintptr socketDescriptor)
{
CServerSocket * pSock = new CServerSocket();
pSock->setSocketDescriptor(socketDescriptor);
connect(pSock,SIGNAL(MessageReady(QString)),this,SLOT(OnIncomingMessage(QString)));
serverSockets.push_back(pSock);
addPendingConnection(pSock);
nextPendingConnection();
}
void SslServer::incomingConnection(qintptr handle)
{
QSslSocket *socket = new QSslSocket(this);
socket->setSocketDescriptor(handle);
socket->setLocalCertificate(_cert);
socket->setPrivateKey(_key);
addPendingConnection(socket);
}
void QWsServer::incomingConnection( int socketDescriptor )
{
QTcpSocket * tcpSocket = new QTcpSocket( tcpServer );
tcpSocket->setSocketDescriptor( socketDescriptor, QAbstractSocket::ConnectedState );
QWsSocket * wsSocket = new QWsSocket( this, tcpSocket );
addPendingConnection( wsSocket );
emit newConnection();
}
void NetInterface::startConnection(NetConnection *conn)
{
TNLAssert(conn->getConnectionState() == NetConnection::NotConnected, "Cannot start unless it is in the NotConnected state.");
addPendingConnection(conn);
conn->mConnectSendCount = 0;
conn->setConnectionState(NetConnection::AwaitingChallengeResponse);
sendConnectChallengeRequest(conn);
}
//! [1]
void SslServer::incomingConnection(qintptr socketDescriptor)
{
QSslSocket *serverSocket = new QSslSocket;
if (serverSocket->setSocketDescriptor(socketDescriptor)) {
addPendingConnection(serverSocket);
connect(serverSocket, &QSslSocket::encrypted, this, &SslServer::ready);
serverSocket->startServerEncryption();
} else {
delete serverSocket;
}
}
// Intercept new socket connection and enable SSL
void SslServer::incomingConnection(int socketDescriptor)
{
QSslSocket *serverSocket = new QSslSocket();
if (serverSocket->setSocketDescriptor(socketDescriptor))
{
addPendingConnection (serverSocket);
}
else
{
delete serverSocket;
}
}
void NetInterface::startConnection(NetConnection *conn)
{
addPendingConnection(conn);
conn->mConnectionSendCount = 0;
conn->setConnectSequence(Platform::getVirtualMilliseconds());
conn->setConnectionState(NetConnection::AwaitingChallengeResponse);
// This is a the client side of the connection, so set the connection to
// server flag. We need to set this early so that if the connection times
// out, its onRemove() will handle the cleanup properly.
conn->setIsConnectionToServer();
// Everything set, so send off the request.
sendConnectChallengeRequest(conn);
}
void Server::incomingConnection(int socketDescriptor)
{
QTcpSocket *socket = new QTcpSocket(this);
socket->setSocketDescriptor(socketDescriptor);
addPendingConnection(socket);
#ifdef DEBUG
qDebug("\nServer::incomingConnection(%i): %s:%i", socketDescriptor,
qPrintable(socket->peerAddress().toString()), socket->peerPort());
#endif
connect(socket, SIGNAL(disconnected()), SLOT(client_disconnected()));
connect(socket, SIGNAL(readyRead()), SLOT(client_readyRead()));
m_clients.insert(socket, new Client);
QccPacket(QccPacket::ConnectionAccepted).send(socket); // QccPacket::ConnectionRefused
#ifdef DEBUG
qDebug("ConnectionAccepted");
#endif
}
/*!
Called when a new connection is established.
Converts \a socket to a QSslSocket.
\internal
*/
void QSslServer::incomingConnection(qintptr socket)
{
QSslSocket *pSslSocket = new QSslSocket();
if (Q_LIKELY(pSslSocket)) {
pSslSocket->setSslConfiguration(m_sslConfiguration);
if (Q_LIKELY(pSslSocket->setSocketDescriptor(socket))) {
connect(pSslSocket, &QSslSocket::peerVerifyError, this, &QSslServer::peerVerifyError);
typedef void (QSslSocket::* sslErrorsSignal)(const QList<QSslError> &);
connect(pSslSocket, static_cast<sslErrorsSignal>(&QSslSocket::sslErrors),
this, &QSslServer::sslErrors);
connect(pSslSocket, &QSslSocket::encrypted, this, &QSslServer::newEncryptedConnection);
addPendingConnection(pSslSocket);
pSslSocket->startServerEncryption();
} else {
delete pSslSocket;
}
}
}
/*!
\internal
*/
void QWebSocketServerPrivate::handshakeReceived()
{
if (Q_UNLIKELY(!currentSender)) {
return;
}
QTcpSocket *pTcpSocket = qobject_cast<QTcpSocket*>(currentSender->sender);
if (Q_UNLIKELY(!pTcpSocket)) {
return;
}
//When using Google Chrome the handshake in received in two parts.
//Therefore, the readyRead signal is emitted twice.
//This is a guard against the BEAST attack.
//See: https://www.imperialviolet.org/2012/01/15/beastfollowup.html
//For Safari, the handshake is delivered at once
//FIXME: For FireFox, the readyRead signal is never emitted
//This is a bug in FireFox (see https://bugzilla.mozilla.org/show_bug.cgi?id=594502)
if (!pTcpSocket->canReadLine()) {
return;
}
disconnect(pTcpSocket, &QTcpSocket::readyRead,
this, &QWebSocketServerPrivate::handshakeReceived);
Q_Q(QWebSocketServer);
bool success = false;
bool isSecure = false;
if (m_pendingConnections.length() >= maxPendingConnections()) {
pTcpSocket->close();
pTcpSocket->deleteLater();
setError(QWebSocketProtocol::CloseCodeAbnormalDisconnection,
QWebSocketServer::tr("Too many pending connections."));
return;
}
QWebSocketHandshakeRequest request(pTcpSocket->peerPort(), isSecure);
QTextStream textStream(pTcpSocket);
request.readHandshake(textStream, MAX_HEADERLINE_LENGTH, MAX_HEADERLINES);
if (request.isValid()) {
QWebSocketCorsAuthenticator corsAuthenticator(request.origin());
Q_EMIT q->originAuthenticationRequired(&corsAuthenticator);
QWebSocketHandshakeResponse response(request,
m_serverName,
corsAuthenticator.allowed(),
supportedVersions(),
supportedProtocols(),
supportedExtensions());
if (response.isValid()) {
QTextStream httpStream(pTcpSocket);
httpStream << response;
httpStream.flush();
if (response.canUpgrade()) {
QWebSocket *pWebSocket = QWebSocketPrivate::upgradeFrom(pTcpSocket,
request,
response);
if (pWebSocket) {
addPendingConnection(pWebSocket);
Q_EMIT q->newConnection();
success = true;
} else {
setError(QWebSocketProtocol::CloseCodeAbnormalDisconnection,
QWebSocketServer::tr("Upgrade to WebSocket failed."));
}
}
else {
setError(response.error(), response.errorString());
}
} else {
setError(QWebSocketProtocol::CloseCodeProtocolError,
QWebSocketServer::tr("Invalid response received."));
}
}
if (!success) {
pTcpSocket->close();
}
}
void QWsServer::dataReceived()
{
QTcpSocket * tcpSocket = qobject_cast<QTcpSocket*>( sender() );
if (tcpSocket == 0)
return;
bool allHeadersFetched = false;
const QLatin1String emptyLine("\r\n");
while ( tcpSocket->canReadLine() )
{
QString line = tcpSocket->readLine();
if (line == emptyLine)
{
allHeadersFetched = true;
break;
}
headerBuffer[ tcpSocket ].append(line);
}
if (!allHeadersFetched)
return;
QString request( headerBuffer[ tcpSocket ].join("") );
QRegExp regExp;
regExp.setMinimal( true );
// Extract mandatory datas
// Version
regExp.setPattern( QWsServer::regExpVersionStr );
regExp.indexIn(request);
QString versionStr = regExp.cap(1);
EWebsocketVersion version;
if ( ! versionStr.isEmpty() )
{
version = (EWebsocketVersion)versionStr.toInt();
}
else if ( tcpSocket->bytesAvailable() >= 8 )
{
version = WS_V0;
request.append( tcpSocket->read(8) );
}
else
{
version = WS_VUnknow;
}
// Resource name
regExp.setPattern( QWsServer::regExpResourceNameStr );
regExp.indexIn(request);
QString resourceName = regExp.cap(1);
// Host (address & port)
regExp.setPattern( QWsServer::regExpHostStr );
regExp.indexIn(request);
QString host = regExp.cap(1);
QStringList hostTmp = host.split(':');
QString hostAddress = hostTmp[0];
QString hostPort;
if ( hostTmp.size() > 1 )
hostPort = hostTmp.last(); // fix for IPv6
// Key
QString key, key1, key2, key3;
if ( version >= WS_V4 )
{
regExp.setPattern( QWsServer::regExpKeyStr );
regExp.indexIn(request);
key = regExp.cap(1);
}
else
{
regExp.setPattern( QWsServer::regExpKey1Str );
regExp.indexIn(request);
key1 = regExp.cap(1);
regExp.setPattern( QWsServer::regExpKey2Str );
regExp.indexIn(request);
key2 = regExp.cap(1);
regExp.setPattern( QWsServer::regExpKey3Str );
regExp.indexIn(request);
key3 = regExp.cap(1);
}
////////////////////////////////////////////////////////////////////
// If the mandatory fields are not specified, we abord the connection to the Websocket server
if ( version == WS_VUnknow || resourceName.isEmpty() || hostAddress.isEmpty() || ( key.isEmpty() && ( key1.isEmpty() || key2.isEmpty() || key3.isEmpty() ) ) )
{
// Send bad request response
QString response = QWsServer::composeBadRequestResponse( QList<EWebsocketVersion>() << WS_V6 << WS_V7 << WS_V8 << WS_V13 );
tcpSocket->write( response.toUtf8() );
tcpSocket->flush();
return;
}
////////////////////////////////////////////////////////////////////
// Extract optional datas
// Origin
regExp.setPattern( QWsServer::regExpOriginStr );
if ( regExp.indexIn(request) == -1 )
{
regExp.setPattern( QWsServer::regExpOrigin2Str );
regExp.indexIn(request);
}
QString origin = regExp.cap(1);
// Protocol
regExp.setPattern( QWsServer::regExpProtocolStr );
regExp.indexIn(request);
QString protocol = regExp.cap(1);
// Extensions
regExp.setPattern( QWsServer::regExpExtensionsStr );
regExp.indexIn(request);
QString extensions = regExp.cap(1);
////////////////////////////////////////////////////////////////////
// Compose opening handshake response
QString response;
if ( version >= WS_V6 )
{
QString accept = computeAcceptV4( key );
response = QWsServer::composeOpeningHandshakeResponseV6( accept, protocol );
}
else if ( version >= WS_V4 )
{
QString accept = computeAcceptV4( key );
QString nonce = generateNonce();
response = QWsServer::composeOpeningHandshakeResponseV4( accept, nonce, protocol );
}
else
{
QString accept = computeAcceptV0( key1, key2, key3 );
response = QWsServer::composeOpeningHandshakeResponseV0( accept, origin, hostAddress, hostPort, resourceName , protocol );
}
// Handshake OK, disconnect readyRead
disconnect( tcpSocket, SIGNAL(readyRead()), this, SLOT(dataReceived()) );
// Send opening handshake response
if ( version == WS_V0 )
tcpSocket->write( response.toLatin1() );
else
tcpSocket->write( response.toUtf8() );
tcpSocket->flush();
QWsSocket * wsSocket = new QWsSocket( this, tcpSocket, version );
wsSocket->setResourceName( resourceName );
wsSocket->setHost( host );
wsSocket->setHostAddress( hostAddress );
wsSocket->setHostPort( hostPort.toInt() );
wsSocket->setOrigin( origin );
wsSocket->setProtocol( protocol );
wsSocket->setExtensions( extensions );
wsSocket->serverSideSocket = true;
// ORIGINAL CODE
//int socketDescriptor = tcpSocket->socketDescriptor();
//incomingConnection( socketDescriptor );
// CHANGED CODE FOR LINUX COMPATIBILITY
addPendingConnection( wsSocket );
emit newConnection();
}
void QWsServer::dataReceived()
{
QTcpSocket * clientSocket = qobject_cast<QTcpSocket*>(sender());
if (clientSocket == 0)
return;
QString request( clientSocket->readAll() );
QRegExp regExp;
regExp.setMinimal( true );
// Extract mandatory datas
// Version
regExp.setPattern( QWsServer::regExpVersionStr );
regExp.indexIn(request);
QString versionStr = regExp.cap(1);
int version = 0;
if ( ! versionStr.isEmpty() )
version = versionStr.toInt();
// Resource name
regExp.setPattern( QWsServer::regExpResourceNameStr );
regExp.indexIn(request);
QString resourceName = regExp.cap(1);
// Host (address & port)
regExp.setPattern( QWsServer::regExpHostStr );
regExp.indexIn(request);
QStringList sl = regExp.cap(1).split(':');
QString hostAddress = sl[0];
QString hostPort;
if ( sl.size() > 1 )
hostPort = sl[1];
// Key
QString key, key1, key2, key3;
if ( version >= 6 )
{
regExp.setPattern( QWsServer::regExpKeyStr );
regExp.indexIn(request);
key = regExp.cap(1);
}
else
{
regExp.setPattern( QWsServer::regExpKey1Str );
regExp.indexIn(request);
key1 = regExp.cap(1);
regExp.setPattern( QWsServer::regExpKey2Str );
regExp.indexIn(request);
key2 = regExp.cap(1);
regExp.setPattern( QWsServer::regExpKey3Str );
regExp.indexIn(request);
key3 = regExp.cap(1);
}
// Extract optional datas
// Origin
QString origin;
if ( version < 6 || version > 8 )
{
regExp.setPattern( QWsServer::regExpOriginStr );
regExp.indexIn(request);
origin = regExp.cap(1);
}
else
{
regExp.setPattern( QWsServer::regExpOriginV6Str );
regExp.indexIn(request);
origin = regExp.cap(1);
}
// Protocol
regExp.setPattern( QWsServer::regExpProtocolStr );
regExp.indexIn(request);
QString protocol = regExp.cap(1);
// Extensions
regExp.setPattern( QWsServer::regExpExtensionsStr );
regExp.indexIn(request);
QString extensions = regExp.cap(1);
////////////////////////////////////////////////////////////////////
if ( version < 6 )
{
qDebug() << "======== Handshake Received \n"
<< request
<< "======== \n";
}
// If the mandatory params are not setted, we abord the connection to the Websocket server
if ( hostAddress.isEmpty()
|| resourceName.isEmpty()
|| ( key.isEmpty() && ( key1.isEmpty() || key2.isEmpty() || key3.isEmpty() ) )
)
return;
////////////////////////////////////////////////////////////////////
// Compose handshake answer
QString answer;
QString accept;
if ( version >= 6 )
{
accept = computeAcceptV2( key );
answer.append("HTTP/1.1 101 Switching Protocols\r\n");
answer.append("Upgrade: websocket\r\n");
answer.append("Connection: Upgrade\r\n");
answer.append("Sec-WebSocket-Accept: " + accept + "\r\n" + "\r\n");
}
else if ( version < 6 )
{
accept = computeAcceptV1( key1, key2, key3 );
answer.append("HTTP/1.1 101 WebSocket Protocol Handshake\r\n");
answer.append("Upgrade: Websocket\r\n");
answer.append("Connection: Upgrade\r\n");
answer.append("Sec-WebSocket-Origin: " + origin + "\r\n");
answer.append("Sec-WebSocket-Location: ws://" + hostAddress + ( hostPort.isEmpty() ? "" : (":"+hostPort) ) + resourceName + "\r\n");
if ( !protocol.isEmpty() )
answer.append("Sec-WebSocket-Protocol: " + protocol + "\r\n");
answer.append( accept );
}
if ( version < 6 )
{
qDebug() << "======== Handshake sent \n"
<< answer
<< "======== \n";
}
// Handshake OK, new connection
disconnect(clientSocket, SIGNAL(readyRead()), this, SLOT(dataReceived()));
// Send handshake answer
clientSocket->write( answer.toUtf8() );
clientSocket->flush();
// TEMPORARY CODE FOR LINUX COMPATIBILITY
QWsSocket * wsSocket = new QWsSocket( clientSocket, this );
addPendingConnection( wsSocket );
emit newConnection();
/*
// ORIGINAL CODE
int socketDescriptor = clientSocket->socketDescriptor();
incomingConnection( socketDescriptor );
*/
}
