forked from qt-creator/qt-creator
move src/plugins/coreplugin/ssh to src/lib/utils/ssh
Merge-request: 253 Reviewed-by: hjk <qtc-committer@nokia.com>
This commit is contained in:
Milian Wolff
hjk
645
src/libs/utils/ssh/sshconnection.cpp
Normal file
645
src/libs/utils/ssh/sshconnection.cpp
Normal file
@@ -0,0 +1,645 @@
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/**************************************************************************
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||||
**
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||||
** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
|
||||
**
|
||||
** Contact: Nokia Corporation (qt-info@nokia.com)
|
||||
**
|
||||
** No Commercial Usage
|
||||
**
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||||
** This file contains pre-release code and may not be distributed.
|
||||
** You may use this file in accordance with the terms and conditions
|
||||
** contained in the Technology Preview License Agreement accompanying
|
||||
** this package.
|
||||
**
|
||||
** GNU Lesser General Public License Usage
|
||||
**
|
||||
** Alternatively, this file may be used under the terms of the GNU Lesser
|
||||
** General Public License version 2.1 as published by the Free Software
|
||||
** Foundation and appearing in the file LICENSE.LGPL included in the
|
||||
** packaging of this file. Please review the following information to
|
||||
** ensure the GNU Lesser General Public License version 2.1 requirements
|
||||
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
||||
**
|
||||
** In addition, as a special exception, Nokia gives you certain additional
|
||||
** rights. These rights are described in the Nokia Qt LGPL Exception
|
||||
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
||||
**
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||||
** If you have questions regarding the use of this file, please contact
|
||||
** Nokia at qt-info@nokia.com.
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||||
**
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**************************************************************************/
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#include "sshconnection.h"
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#include "sshconnection_p.h"
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#include "sftpchannel.h"
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#include "sshcapabilities_p.h"
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#include "sshchannelmanager_p.h"
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#include "sshcryptofacility_p.h"
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#include "sshexception_p.h"
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#include "sshkeyexchange_p.h"
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#include <utils/qtcassert.h>
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#include <botan/exceptn.h>
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#include <botan/init.h>
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#include <QtCore/QFile>
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#include <QtCore/QMutex>
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#include <QtNetwork/QNetworkProxy>
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#include <QtNetwork/QTcpSocket>
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namespace Utils {
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namespace {
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const QByteArray ClientId("SSH-2.0-QtCreator\r\n");
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bool staticInitializationsDone = false;
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QMutex staticInitMutex;
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void doStaticInitializationsIfNecessary()
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{
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if (!staticInitializationsDone) {
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staticInitMutex.lock();
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if (!staticInitializationsDone) {
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Botan::LibraryInitializer::initialize("thread_safe=true");
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qRegisterMetaType<Utils::SshError>("Utils::SshError");
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qRegisterMetaType<Utils::SftpJobId>("Utils::SftpJobId");
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staticInitializationsDone = true;
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}
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staticInitMutex.unlock();
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}
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}
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} // anonymous namespace
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SshConnectionParameters::SshConnectionParameters(ProxyType proxyType) :
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timeout(0), authType(AuthByKey), port(0), proxyType(proxyType)
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{
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}
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static inline bool equals(const SshConnectionParameters &p1, const SshConnectionParameters &p2)
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{
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return p1.host == p2.host && p1.uname == p2.uname
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&& p1.authType == p2.authType
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&& (p1.authType == SshConnectionParameters::AuthByPwd ?
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p1.pwd == p2.pwd : p1.privateKeyFile == p2.privateKeyFile)
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&& p1.timeout == p2.timeout && p1.port == p2.port;
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}
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QTCREATOR_UTILS_EXPORT bool operator==(const SshConnectionParameters &p1, const SshConnectionParameters &p2)
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{
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return equals(p1, p2);
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}
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QTCREATOR_UTILS_EXPORT bool operator!=(const SshConnectionParameters &p1, const SshConnectionParameters &p2)
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{
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return !equals(p1, p2);
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}
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// TODO: Mechanism for checking the host key. First connection to host: save, later: compare
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SshConnection::Ptr SshConnection::create()
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{
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doStaticInitializationsIfNecessary();
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return Ptr(new SshConnection);
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}
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SshConnection::SshConnection() : d(new Internal::SshConnectionPrivate(this))
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{
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connect(d, SIGNAL(connected()), this, SIGNAL(connected()),
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Qt::QueuedConnection);
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connect(d, SIGNAL(dataAvailable(QString)), this,
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SIGNAL(dataAvailable(QString)), Qt::QueuedConnection);
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connect(d, SIGNAL(disconnected()), this, SIGNAL(disconnected()),
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Qt::QueuedConnection);
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connect(d, SIGNAL(error(Utils::SshError)), this,
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SIGNAL(error(Utils::SshError)), Qt::QueuedConnection);
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}
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void SshConnection::connectToHost(const SshConnectionParameters &serverInfo)
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{
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d->connectToHost(serverInfo);
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}
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void SshConnection::disconnectFromHost()
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{
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d->closeConnection(Internal::SSH_DISCONNECT_BY_APPLICATION, SshNoError, "",
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QString());
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}
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SshConnection::State SshConnection::state() const
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||||
{
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switch (d->state()) {
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case Internal::SocketUnconnected:
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return Unconnected;
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case Internal::ConnectionEstablished:
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return Connected;
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default:
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return Connecting;
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}
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}
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SshError SshConnection::errorState() const
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{
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return d->error();
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}
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QString SshConnection::errorString() const
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{
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return d->errorString();
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}
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SshConnectionParameters SshConnection::connectionParameters() const
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{
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return d->m_connParams;
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}
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SshConnection::~SshConnection()
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{
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disconnect();
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disconnectFromHost();
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delete d;
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}
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QSharedPointer<SshRemoteProcess> SshConnection::createRemoteProcess(const QByteArray &command)
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{
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QTC_ASSERT(state() == Connected, return QSharedPointer<SshRemoteProcess>());
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return d->createRemoteProcess(command);
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}
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QSharedPointer<SftpChannel> SshConnection::createSftpChannel()
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{
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QTC_ASSERT(state() == Connected, return QSharedPointer<SftpChannel>());
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return d->createSftpChannel();
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}
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namespace Internal {
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SshConnectionPrivate::SshConnectionPrivate(SshConnection *conn)
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: m_socket(new QTcpSocket(this)), m_state(SocketUnconnected),
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m_sendFacility(m_socket),
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m_channelManager(new SshChannelManager(m_sendFacility, this)),
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m_connParams(SshConnectionParameters::DefaultProxy),
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m_error(SshNoError), m_ignoreNextPacket(false), m_conn(conn)
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{
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setupPacketHandlers();
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m_timeoutTimer.setSingleShot(true);
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m_keepAliveTimer.setSingleShot(true);
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m_keepAliveTimer.setInterval(10000);
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connect(m_channelManager, SIGNAL(timeout()), this, SLOT(handleTimeout()));
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}
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SshConnectionPrivate::~SshConnectionPrivate()
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{
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disconnect();
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}
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void SshConnectionPrivate::setupPacketHandlers()
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{
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typedef SshConnectionPrivate This;
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setupPacketHandler(SSH_MSG_KEXINIT, StateList() << SocketConnected,
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&This::handleKeyExchangeInitPacket);
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setupPacketHandler(SSH_MSG_KEXDH_REPLY, StateList() << KeyExchangeStarted,
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&This::handleKeyExchangeReplyPacket);
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setupPacketHandler(SSH_MSG_NEWKEYS, StateList() << KeyExchangeSuccess,
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&This::handleNewKeysPacket);
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setupPacketHandler(SSH_MSG_SERVICE_ACCEPT,
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StateList() << UserAuthServiceRequested,
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&This::handleServiceAcceptPacket);
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setupPacketHandler(SSH_MSG_USERAUTH_PASSWD_CHANGEREQ,
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StateList() << UserAuthRequested, &This::handlePasswordExpiredPacket);
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setupPacketHandler(SSH_MSG_GLOBAL_REQUEST,
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StateList() << ConnectionEstablished, &This::handleGlobalRequest);
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const StateList authReqList = StateList() << UserAuthRequested;
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setupPacketHandler(SSH_MSG_USERAUTH_BANNER, authReqList,
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&This::handleUserAuthBannerPacket);
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setupPacketHandler(SSH_MSG_USERAUTH_SUCCESS, authReqList,
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&This::handleUserAuthSuccessPacket);
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setupPacketHandler(SSH_MSG_USERAUTH_FAILURE, authReqList,
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&This::handleUserAuthFailurePacket);
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const StateList connectedList
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= StateList() << ConnectionEstablished;
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setupPacketHandler(SSH_MSG_CHANNEL_REQUEST, connectedList,
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&This::handleChannelRequest);
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setupPacketHandler(SSH_MSG_CHANNEL_OPEN, connectedList,
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&This::handleChannelOpen);
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setupPacketHandler(SSH_MSG_CHANNEL_OPEN_FAILURE, connectedList,
|
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&This::handleChannelOpenFailure);
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setupPacketHandler(SSH_MSG_CHANNEL_OPEN_CONFIRMATION, connectedList,
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&This::handleChannelOpenConfirmation);
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setupPacketHandler(SSH_MSG_CHANNEL_SUCCESS, connectedList,
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&This::handleChannelSuccess);
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setupPacketHandler(SSH_MSG_CHANNEL_FAILURE, connectedList,
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&This::handleChannelFailure);
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setupPacketHandler(SSH_MSG_CHANNEL_WINDOW_ADJUST, connectedList,
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&This::handleChannelWindowAdjust);
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setupPacketHandler(SSH_MSG_CHANNEL_DATA, connectedList,
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&This::handleChannelData);
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setupPacketHandler(SSH_MSG_CHANNEL_EXTENDED_DATA, connectedList,
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&This::handleChannelExtendedData);
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const StateList connectedOrClosedList
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= StateList() << SocketUnconnected << ConnectionEstablished;
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setupPacketHandler(SSH_MSG_CHANNEL_EOF, connectedOrClosedList,
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&This::handleChannelEof);
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setupPacketHandler(SSH_MSG_CHANNEL_CLOSE, connectedOrClosedList,
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&This::handleChannelClose);
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setupPacketHandler(SSH_MSG_DISCONNECT, StateList() << SocketConnected
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<< KeyExchangeStarted << KeyExchangeSuccess
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<< UserAuthServiceRequested << UserAuthRequested
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<< ConnectionEstablished, &This::handleDisconnect);
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setupPacketHandler(SSH_MSG_UNIMPLEMENTED,
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StateList() << ConnectionEstablished, &This::handleUnimplementedPacket);
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}
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void SshConnectionPrivate::setupPacketHandler(SshPacketType type,
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const SshConnectionPrivate::StateList &states,
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SshConnectionPrivate::PacketHandler handler)
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{
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m_packetHandlers.insert(type, HandlerInStates(states, handler));
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}
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void SshConnectionPrivate::handleSocketConnected()
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{
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m_state = SocketConnected;
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sendData(ClientId);
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}
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void SshConnectionPrivate::handleIncomingData()
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{
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if (m_state == SocketUnconnected)
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return; // For stuff queued in the event loop after we've called closeConnection();
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try {
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if (!canUseSocket())
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return;
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m_incomingData += m_socket->readAll();
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#ifdef CREATOR_SSH_DEBUG
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qDebug("state = %d, remote data size = %d", m_state,
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m_incomingData.count());
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#endif
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if (m_state == SocketConnected)
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handleServerId();
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handlePackets();
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} catch (SshServerException &e) {
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closeConnection(e.error, SshProtocolError, e.errorStringServer,
|
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tr("SSH Protocol error: %1").arg(e.errorStringUser));
|
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} catch (SshClientException &e) {
|
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closeConnection(SSH_DISCONNECT_BY_APPLICATION, e.error, "",
|
||||
e.errorString);
|
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} catch (Botan::Exception &e) {
|
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closeConnection(SSH_DISCONNECT_BY_APPLICATION, SshInternalError, "",
|
||||
tr("Botan library exception: %1").arg(e.what()));
|
||||
}
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleServerId()
|
||||
{
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const int idOffset = m_incomingData.indexOf("SSH-");
|
||||
if (idOffset == -1)
|
||||
return;
|
||||
m_incomingData.remove(0, idOffset);
|
||||
if (m_incomingData.size() < 7)
|
||||
return;
|
||||
const QByteArray &version = m_incomingData.mid(4, 3);
|
||||
if (version != "2.0") {
|
||||
throw SshServerException(SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED,
|
||||
"Invalid protocol version.",
|
||||
tr("Invalid protocol version: Expected '2.0', got '%1'.")
|
||||
.arg(SshPacketParser::asUserString(version)));
|
||||
}
|
||||
const int endOffset = m_incomingData.indexOf("\r\n");
|
||||
if (endOffset == -1)
|
||||
return;
|
||||
if (m_incomingData.at(7) != '-') {
|
||||
throw SshServerException(SSH_DISCONNECT_PROTOCOL_ERROR,
|
||||
"Invalid server id.", tr("Invalid server id '%1'.")
|
||||
.arg(SshPacketParser::asUserString(m_incomingData)));
|
||||
}
|
||||
|
||||
m_keyExchange.reset(new SshKeyExchange(m_sendFacility));
|
||||
m_keyExchange->sendKexInitPacket(m_incomingData.left(endOffset));
|
||||
m_incomingData.remove(0, endOffset + 2);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handlePackets()
|
||||
{
|
||||
m_incomingPacket.consumeData(m_incomingData);
|
||||
while (m_incomingPacket.isComplete()) {
|
||||
handleCurrentPacket();
|
||||
m_incomingPacket.clear();
|
||||
m_incomingPacket.consumeData(m_incomingData);
|
||||
}
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleCurrentPacket()
|
||||
{
|
||||
Q_ASSERT(m_incomingPacket.isComplete());
|
||||
Q_ASSERT(m_state == KeyExchangeStarted || !m_ignoreNextPacket);
|
||||
|
||||
if (m_ignoreNextPacket) {
|
||||
m_ignoreNextPacket = false;
|
||||
return;
|
||||
}
|
||||
|
||||
QHash<SshPacketType, HandlerInStates>::ConstIterator it
|
||||
= m_packetHandlers.find(m_incomingPacket.type());
|
||||
if (it == m_packetHandlers.end()) {
|
||||
m_sendFacility.sendMsgUnimplementedPacket(m_incomingPacket.serverSeqNr());
|
||||
return;
|
||||
}
|
||||
if (!it.value().first.contains(m_state)) {
|
||||
throw SshServerException(SSH_DISCONNECT_PROTOCOL_ERROR,
|
||||
"Unexpected packet.", tr("Unexpected packet of type %1.")
|
||||
.arg(m_incomingPacket.type()));
|
||||
}
|
||||
(this->*it.value().second)();
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleKeyExchangeInitPacket()
|
||||
{
|
||||
// If the server sends a guessed packet, the guess must be wrong,
|
||||
// because the algorithms we support requires us to initiate the
|
||||
// key exchange.
|
||||
if (m_keyExchange->sendDhInitPacket(m_incomingPacket))
|
||||
m_ignoreNextPacket = true;
|
||||
m_state = KeyExchangeStarted;
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleKeyExchangeReplyPacket()
|
||||
{
|
||||
m_keyExchange->sendNewKeysPacket(m_incomingPacket,
|
||||
ClientId.left(ClientId.size() - 2));
|
||||
m_sendFacility.recreateKeys(*m_keyExchange);
|
||||
m_state = KeyExchangeSuccess;
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleNewKeysPacket()
|
||||
{
|
||||
m_incomingPacket.recreateKeys(*m_keyExchange);
|
||||
m_keyExchange.reset();
|
||||
m_sendFacility.sendUserAuthServiceRequestPacket();
|
||||
m_state = UserAuthServiceRequested;
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleServiceAcceptPacket()
|
||||
{
|
||||
if (m_connParams.authType == SshConnectionParameters::AuthByPwd) {
|
||||
m_sendFacility.sendUserAuthByPwdRequestPacket(m_connParams.uname.toUtf8(),
|
||||
SshCapabilities::SshConnectionService, m_connParams.pwd.toUtf8());
|
||||
} else {
|
||||
QFile privKeyFile(m_connParams.privateKeyFile);
|
||||
bool couldOpen = privKeyFile.open(QIODevice::ReadOnly);
|
||||
QByteArray contents;
|
||||
if (couldOpen)
|
||||
contents = privKeyFile.readAll();
|
||||
if (!couldOpen || privKeyFile.error() != QFile::NoError) {
|
||||
throw SshClientException(SshKeyFileError,
|
||||
tr("Could not read private key file: %1")
|
||||
.arg(privKeyFile.errorString()));
|
||||
}
|
||||
|
||||
m_sendFacility.createAuthenticationKey(contents);
|
||||
m_sendFacility.sendUserAuthByKeyRequestPacket(m_connParams.uname.toUtf8(),
|
||||
SshCapabilities::SshConnectionService);
|
||||
}
|
||||
m_state = UserAuthRequested;
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handlePasswordExpiredPacket()
|
||||
{
|
||||
if (m_connParams.authType == SshConnectionParameters::AuthByKey) {
|
||||
throw SSH_SERVER_EXCEPTION(SSH_DISCONNECT_PROTOCOL_ERROR,
|
||||
"Got SSH_MSG_USERAUTH_PASSWD_CHANGEREQ, but did not use password.");
|
||||
}
|
||||
|
||||
throw SshClientException(SshAuthenticationError, tr("Password expired."));
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleUserAuthBannerPacket()
|
||||
{
|
||||
emit dataAvailable(m_incomingPacket.extractUserAuthBanner().message);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleGlobalRequest()
|
||||
{
|
||||
m_sendFacility.sendRequestFailurePacket();
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleUserAuthSuccessPacket()
|
||||
{
|
||||
m_state = ConnectionEstablished;
|
||||
m_timeoutTimer.stop();
|
||||
emit connected();
|
||||
m_lastInvalidMsgSeqNr = InvalidSeqNr;
|
||||
connect(&m_keepAliveTimer, SIGNAL(timeout()), SLOT(sendKeepAlivePacket()));
|
||||
m_keepAliveTimer.start();
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleUserAuthFailurePacket()
|
||||
{
|
||||
m_timeoutTimer.stop();
|
||||
const QString errorMsg = m_connParams.authType == SshConnectionParameters::AuthByPwd
|
||||
? tr("Server rejected password.") : tr("Server rejected key.");
|
||||
throw SshClientException(SshAuthenticationError, errorMsg);
|
||||
}
|
||||
void SshConnectionPrivate::handleDebugPacket()
|
||||
{
|
||||
const SshDebug &msg = m_incomingPacket.extractDebug();
|
||||
if (msg.display)
|
||||
emit dataAvailable(msg.message);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleUnimplementedPacket()
|
||||
{
|
||||
const SshUnimplemented &msg = m_incomingPacket.extractUnimplemented();
|
||||
if (msg.invalidMsgSeqNr != m_lastInvalidMsgSeqNr) {
|
||||
throw SshServerException(SSH_DISCONNECT_PROTOCOL_ERROR,
|
||||
"Unexpected packet", tr("The server sent an unexpected SSH packet "
|
||||
"of type SSH_MSG_UNIMPLEMENTED."));
|
||||
}
|
||||
m_lastInvalidMsgSeqNr = InvalidSeqNr;
|
||||
m_timeoutTimer.stop();
|
||||
m_keepAliveTimer.start();
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleChannelRequest()
|
||||
{
|
||||
m_channelManager->handleChannelRequest(m_incomingPacket);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleChannelOpen()
|
||||
{
|
||||
m_channelManager->handleChannelOpen(m_incomingPacket);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleChannelOpenFailure()
|
||||
{
|
||||
m_channelManager->handleChannelOpenFailure(m_incomingPacket);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleChannelOpenConfirmation()
|
||||
{
|
||||
m_channelManager->handleChannelOpenConfirmation(m_incomingPacket);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleChannelSuccess()
|
||||
{
|
||||
m_channelManager->handleChannelSuccess(m_incomingPacket);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleChannelFailure()
|
||||
{
|
||||
m_channelManager->handleChannelFailure(m_incomingPacket);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleChannelWindowAdjust()
|
||||
{
|
||||
m_channelManager->handleChannelWindowAdjust(m_incomingPacket);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleChannelData()
|
||||
{
|
||||
m_channelManager->handleChannelData(m_incomingPacket);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleChannelExtendedData()
|
||||
{
|
||||
m_channelManager->handleChannelExtendedData(m_incomingPacket);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleChannelEof()
|
||||
{
|
||||
m_channelManager->handleChannelEof(m_incomingPacket);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleChannelClose()
|
||||
{
|
||||
m_channelManager->handleChannelClose(m_incomingPacket);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleDisconnect()
|
||||
{
|
||||
const SshDisconnect msg = m_incomingPacket.extractDisconnect();
|
||||
throw SshServerException(SSH_DISCONNECT_CONNECTION_LOST,
|
||||
"", tr("Server closed connection: %1").arg(msg.description));
|
||||
}
|
||||
|
||||
|
||||
|
||||
void SshConnectionPrivate::sendData(const QByteArray &data)
|
||||
{
|
||||
if (canUseSocket())
|
||||
m_socket->write(data);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleSocketDisconnected()
|
||||
{
|
||||
closeConnection(SSH_DISCONNECT_CONNECTION_LOST, SshClosedByServerError,
|
||||
"Connection closed unexpectedly.",
|
||||
tr("Connection closed unexpectedly."));
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleSocketError()
|
||||
{
|
||||
if (m_error == SshNoError) {
|
||||
closeConnection(SSH_DISCONNECT_CONNECTION_LOST, SshSocketError,
|
||||
"Network error", m_socket->errorString());
|
||||
}
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::handleTimeout()
|
||||
{
|
||||
closeConnection(SSH_DISCONNECT_BY_APPLICATION, SshTimeoutError, "",
|
||||
tr("Timeout waiting for reply from server."));
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::sendKeepAlivePacket()
|
||||
{
|
||||
Q_ASSERT(m_lastInvalidMsgSeqNr == InvalidSeqNr);
|
||||
m_lastInvalidMsgSeqNr = m_sendFacility.nextClientSeqNr();
|
||||
m_sendFacility.sendInvalidPacket();
|
||||
m_timeoutTimer.start(5000);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::connectToHost(const SshConnectionParameters &serverInfo)
|
||||
{
|
||||
m_incomingData.clear();
|
||||
m_incomingPacket.reset();
|
||||
m_sendFacility.reset();
|
||||
m_error = SshNoError;
|
||||
m_ignoreNextPacket = false;
|
||||
m_errorString.clear();
|
||||
connect(m_socket, SIGNAL(connected()), this, SLOT(handleSocketConnected()));
|
||||
connect(m_socket, SIGNAL(readyRead()), this, SLOT(handleIncomingData()));
|
||||
connect(m_socket, SIGNAL(error(QAbstractSocket::SocketError)), this,
|
||||
SLOT(handleSocketError()));
|
||||
connect(m_socket, SIGNAL(disconnected()), this,
|
||||
SLOT(handleSocketDisconnected()));
|
||||
connect(&m_timeoutTimer, SIGNAL(timeout()), this, SLOT(handleTimeout()));
|
||||
this->m_connParams = serverInfo;
|
||||
m_state = SocketConnecting;
|
||||
m_timeoutTimer.start(m_connParams.timeout * 1000);
|
||||
m_socket->setProxy(m_connParams.proxyType == SshConnectionParameters::DefaultProxy
|
||||
? QNetworkProxy::DefaultProxy : QNetworkProxy::NoProxy);
|
||||
m_socket->connectToHost(serverInfo.host, serverInfo.port);
|
||||
}
|
||||
|
||||
void SshConnectionPrivate::closeConnection(SshErrorCode sshError,
|
||||
SshError userError, const QByteArray &serverErrorString,
|
||||
const QString &userErrorString)
|
||||
{
|
||||
// Prevent endless loops by recursive exceptions.
|
||||
if (m_state == SocketUnconnected || m_error != SshNoError)
|
||||
return;
|
||||
|
||||
m_error = userError;
|
||||
m_errorString = userErrorString;
|
||||
m_timeoutTimer.stop();
|
||||
disconnect(m_socket, 0, this, 0);
|
||||
disconnect(&m_timeoutTimer, 0, this, 0);
|
||||
m_keepAliveTimer.stop();
|
||||
disconnect(&m_keepAliveTimer, 0, this, 0);
|
||||
try {
|
||||
m_channelManager->closeAllChannels();
|
||||
m_sendFacility.sendDisconnectPacket(sshError, serverErrorString);
|
||||
} catch (Botan::Exception &) {} // Nothing sensible to be done here.
|
||||
if (m_error != SshNoError)
|
||||
emit error(userError);
|
||||
if (m_state == ConnectionEstablished)
|
||||
emit disconnected();
|
||||
if (canUseSocket())
|
||||
m_socket->disconnectFromHost();
|
||||
m_state = SocketUnconnected;
|
||||
}
|
||||
|
||||
bool SshConnectionPrivate::canUseSocket() const
|
||||
{
|
||||
return m_socket->isValid()
|
||||
&& m_socket->state() == QAbstractSocket::ConnectedState;
|
||||
}
|
||||
|
||||
QSharedPointer<SshRemoteProcess> SshConnectionPrivate::createRemoteProcess(const QByteArray &command)
|
||||
{
|
||||
return m_channelManager->createRemoteProcess(command);
|
||||
}
|
||||
|
||||
QSharedPointer<SftpChannel> SshConnectionPrivate::createSftpChannel()
|
||||
{
|
||||
return m_channelManager->createSftpChannel();
|
||||
}
|
||||
|
||||
const quint64 SshConnectionPrivate::InvalidSeqNr = static_cast<quint64>(-1);
|
||||
|
||||
} // namespace Internal
|
||||
} // namespace Utils
|
||||
Reference in New Issue
Block a user