forked from glacjay/sshproxy
/
MainDialog.cpp
386 lines (330 loc) · 11.7 KB
/
MainDialog.cpp
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#include <assert.h>
#include <QApplication>
#include <QAction>
#include <QDateTime>
#include <QGroupBox>
#include <QLabel>
#include <QMenu>
#include <QSpacerItem>
#include <QSplitter>
#include <QVBoxLayout>
#include "MainDialog.hpp"
MainDialog::MainDialog(QWidget *parent)
: QDialog(parent)
, mHostEdit(new QLineEdit)
, mPortEdit(new QLineEdit)
, mUserEdit(new QLineEdit)
, mPswdEdit(new QLineEdit)
, mLAddrEdit(new QLineEdit)
, mLPortEdit(new QLineEdit)
, mWaitEdit(new QLineEdit)
, mCtrlBtn(new QPushButton(tr("Start")))
, mQuitBtn(new QPushButton(tr("Quit")))
, mLogList(new QListWidget)
, mInfoIcon(QPixmap(":/icon-info.png"))
, mWarnIcon(QPixmap(":/icon-warn.png"))
, mErrorIcon(QPixmap(":/icon-error.png"))
, mStoppedIcon(QPixmap(":/icon-stopped.png"))
, mConnectingIcon(QPixmap(":/icon-connecting.png"))
, mConnectedIcon(QPixmap(":/icon-connected.png"))
, mSleepingIcon(QPixmap(":/icon-sleeping.png"))
, mSettings(new QSettings(QSettings::IniFormat, QSettings::UserScope,
"glacjay", "sshproxy", this))
, mIsKeepRunning(false)
, mProcess(new QProcess(this))
, mRestartTimer(new QTimer(this))
{
setWindowTitle(tr("SSH Proxy"));
setWindowIcon(mConnectedIcon);
mHostEdit->setText(mSettings->value("ssh/host").toString());
mPortEdit->setText(mSettings->value("ssh/port", "22").toString());
mUserEdit->setText(mSettings->value("ssh/user").toString());
mLAddrEdit->setText(mSettings->value("ssh/laddr", "127.0.0.1").toString());
mLPortEdit->setText(mSettings->value("ssh/lport", "1077").toString());
mWaitEdit->setText(mSettings->value("ssh/wait", "10").toString());
mPortEdit->setValidator(new QIntValidator(1, 65535));
mPswdEdit->setEchoMode(QLineEdit::Password);
mLPortEdit->setValidator(new QIntValidator(1, 65535));
mWaitEdit->setValidator(new QIntValidator);
mLogList->setWordWrap(true);
mProcess->setProcessChannelMode(QProcess::MergedChannels);
QLabel *hostLabel = new QLabel(tr("SSH Host:"));
hostLabel->setBuddy(mHostEdit);
QLabel *portLabel = new QLabel(tr("SSH Port:"));
portLabel->setBuddy(mPortEdit);
QLabel *userLabel = new QLabel(tr("Username:"));
userLabel->setBuddy(mUserEdit);
QLabel *pswdLabel = new QLabel(tr("Password:"));
pswdLabel->setBuddy(mPswdEdit);
QLabel *lAddrLabel = new QLabel(tr("Listen Addr:"));
lAddrLabel->setBuddy(mLAddrEdit);
QLabel *lPortLabel = new QLabel(tr("Listen Port:"));
lPortLabel->setBuddy(mLPortEdit);
QLabel *waitLabel = new QLabel(tr("Seconds wait to reconnect:"));
waitLabel->setBuddy(mWaitEdit);
QVBoxLayout *inputLayout = new QVBoxLayout;
inputLayout->addWidget(hostLabel);
inputLayout->addWidget(mHostEdit);
inputLayout->addWidget(portLabel);
inputLayout->addWidget(mPortEdit);
inputLayout->addWidget(userLabel);
inputLayout->addWidget(mUserEdit);
inputLayout->addWidget(pswdLabel);
inputLayout->addWidget(mPswdEdit);
inputLayout->addWidget(lAddrLabel);
inputLayout->addWidget(mLAddrEdit);
inputLayout->addWidget(lPortLabel);
inputLayout->addWidget(mLPortEdit);
inputLayout->addWidget(waitLabel);
inputLayout->addWidget(mWaitEdit);
inputLayout->insertStretch(-1);
inputLayout->addWidget(mCtrlBtn);
inputLayout->addWidget(mQuitBtn);
QGroupBox *inputGroup = new QGroupBox(tr("Settings"));
inputGroup->setLayout(inputLayout);
QVBoxLayout *logLayout = new QVBoxLayout;
logLayout->addWidget(mLogList);
QGroupBox *logGroup = new QGroupBox(tr("Log"));
logGroup->setLayout(logLayout);
QSplitter *splitter = new QSplitter(Qt::Horizontal);
splitter->addWidget(inputGroup);
splitter->addWidget(logGroup);
splitter->setStretchFactor(1, 5);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addWidget(splitter);
setLayout(mainLayout);
resize(1000, 600);
connect(mCtrlBtn, SIGNAL(clicked(void)), this, SLOT(on_mCtrlBtn_clicked(void)));
connect(mQuitBtn, SIGNAL(clicked(void)), this, SLOT(onQuit(void)));
mTray = new QSystemTrayIcon(mStoppedIcon);
mTray->show();
setSshStatus(StatStopped);
connect(mTray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
this, SLOT(on_mTray_activated(QSystemTrayIcon::ActivationReason)));
QAction *toggleAction = new QAction(tr("Toggle Main Dialog"), this);
connect(toggleAction, SIGNAL(triggered(void)),
this, SLOT(on_toggleAction_triggered(void)));
QAction *quitAction = new QAction(tr("Quit"), this);
connect(quitAction, SIGNAL(triggered(void)),
this, SLOT(onQuit(void)));
QMenu *trayMenu = new QMenu;
trayMenu->addAction(toggleAction);
trayMenu->addSeparator();
trayMenu->addAction(quitAction);
mTray->setContextMenu(trayMenu);
connect(qApp, SIGNAL(aboutToQuit(void)), this, SLOT(onQuit(void)));
connect(mProcess, SIGNAL(started(void)), this, SLOT(on_mProcess_started(void)));
connect(mProcess, SIGNAL(finished(int, QProcess::ExitStatus)),
this, SLOT(on_mProcess_finished(int, QProcess::ExitStatus)));
connect(mProcess, SIGNAL(error(QProcess::ProcessError)),
this, SLOT(on_mProcess_error(QProcess::ProcessError)));
connect(mProcess, SIGNAL(readyReadStandardOutput(void)),
this, SLOT(on_mProcess_readyReadStandardOutput(void)));
connect(mRestartTimer, SIGNAL(timeout(void)), this, SLOT(startRunning(void)));
if (mHostEdit->text().isEmpty())
mHostEdit->setFocus();
else if (mPortEdit->text().isEmpty())
mPortEdit->setFocus();
else if (mUserEdit->text().isEmpty())
mUserEdit->setFocus();
else if (mPswdEdit->text().isEmpty())
mPswdEdit->setFocus();
else if (mLAddrEdit->text().isEmpty())
mLAddrEdit->setFocus();
else if (mLPortEdit->text().isEmpty())
mLPortEdit->setFocus();
else if (mWaitEdit->text().isEmpty())
mWaitEdit->setFocus();
}
MainDialog::~MainDialog(void)
{
stopRunning();
}
void MainDialog::closeEvent(QCloseEvent *event)
{
this->setVisible(false);
event->ignore();
}
void MainDialog::on_mCtrlBtn_clicked(void)
{
if (mCtrlBtn->text() == tr("Start"))
startRunning();
else if (mCtrlBtn->text() == tr("Stop"))
stopRunning();
else
assert(false);
}
void MainDialog::onQuit(void)
{
saveSettings();
qApp->exit(0);
}
void MainDialog::on_mTray_activated(QSystemTrayIcon::ActivationReason reason)
{
switch (reason)
{
case QSystemTrayIcon::DoubleClick:
this->setVisible(!this->isVisible());
break;
case QSystemTrayIcon::Unknown:
case QSystemTrayIcon::Context:
case QSystemTrayIcon::Trigger:
case QSystemTrayIcon::MiddleClick:
break;
}
}
void MainDialog::on_toggleAction_triggered(void)
{
this->setVisible(!this->isVisible());
}
void MainDialog::on_mProcess_started(void)
{
addLogMsg(LogInfo, "connecting to the SSH server...");
setSshStatus(StatConnecting);
}
void MainDialog::on_mProcess_finished(int exitCode, QProcess::ExitStatus exitStatus)
{
addLogMsg(LogInfo, QString("process finished with code %1 and status %2")
.arg(exitCode)
.arg(exitStatus == QProcess::NormalExit ? "NormalExit" : "CrashExit"));
setSshStatus(StatSleeping);
mRestartTimer->start(1000 * mWaitEdit->text().toInt());
}
void MainDialog::on_mProcess_error(QProcess::ProcessError error)
{
addLogMsg(LogWarn, QString("process error %1").arg(error));
setSshStatus(StatSleeping);
mProcess->kill();
mRestartTimer->start(1000 * mWaitEdit->text().toInt());
}
void MainDialog::on_mProcess_readyReadStandardOutput(void)
{
char line[1024];
while (mProcess->readLine(line, sizeof(line)) > 0)
{
QString msg(line);
addLogMsg(LogInfo, msg.remove('\n'));
if (msg.contains("Entering interactive "))
setSshStatus(StatConnected);
}
}
void MainDialog::setSshStatus(SshStatus status)
{
switch (status)
{
case StatStopped:
qApp->setWindowIcon(mStoppedIcon);
mTray->setIcon(mStoppedIcon);
break;
case StatConnecting:
qApp->setWindowIcon(mConnectingIcon);
mTray->setIcon(mConnectingIcon);
break;
case StatConnected:
qApp->setWindowIcon(mConnectedIcon);
mTray->setIcon(mConnectedIcon);
break;
case StatSleeping:
qApp->setWindowIcon(mSleepingIcon);
mTray->setIcon(mSleepingIcon);
break;
default:
assert(false);
}
}
void MainDialog::addLogMsg(LogLevel level, const QString &msg)
{
QIcon icon;
switch (level)
{
case LogDebug:
/* No icon for debugging msg */
break;
case LogInfo:
icon = mInfoIcon;
break;
case LogWarn:
icon = mWarnIcon;
break;
case LogError:
icon = mErrorIcon;
break;
default:
assert(false);
}
while (mLogList->count() >= MaxTotalLog)
mLogList->removeItemWidget(mLogList->item(0));
QString time = QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss");
mLogList->addItem(new QListWidgetItem(icon, QString("%1 %2").arg(time).arg(msg)));
mLogList->scrollToBottom();
}
void MainDialog::saveSettings(void)
{
mSettings->setValue("ssh/host", mHostEdit->text());
mSettings->setValue("ssh/port", mPortEdit->text());
mSettings->setValue("ssh/user", mUserEdit->text());
mSettings->setValue("ssh/laddr", mLAddrEdit->text());
mSettings->setValue("ssh/lport", mLPortEdit->text());
mSettings->setValue("ssh/wait", mWaitEdit->text());
}
void MainDialog::startRunning(void)
{
mIsKeepRunning = true;
mCtrlBtn->setText(tr("Stop"));
if (mHostEdit->text().isEmpty())
{
addLogMsg(LogError, "SSH server's host name may not be empty!");
mHostEdit->setFocus();
return;
}
if (mPortEdit->text().toInt() == 0)
{
addLogMsg(LogWarn, "SSH server's port may not be empty. I assume you mean 22");
mPortEdit->setText("22");
}
if (mUserEdit->text().isEmpty())
{
addLogMsg(LogError, "Username may not be empty!");
mUserEdit->setFocus();
return;
}
if (mPswdEdit->text().isEmpty())
{
addLogMsg(LogWarn, "Password should not be empty in general.");
mPswdEdit->setFocus();
}
if (mLAddrEdit->text().isEmpty())
{
addLogMsg(LogWarn, "Local listen address is empty. I assume you mean 127.0.0.1");
mLAddrEdit->setText("127.0.0.1");
}
if (mLPortEdit->text().toInt() == 0)
{
addLogMsg(LogError, "Local listen port may not be empty!");
mLPortEdit->setText("1077");
mLPortEdit->setFocus();
return;
}
QStringList arguments;
arguments << "-p" << mPortEdit->text();
arguments << "-vN";
arguments << "-D" << QString("%1:%2").arg(mLAddrEdit->text()).arg(mLPortEdit->text());
arguments << "-o" << "StrictHostKeyChecking=no";
arguments << "-o" << "PreferredAuthentications=password";
arguments << "-o" << "ServerAliveInterval=20";
arguments << "-l" << mUserEdit->text();
arguments << mHostEdit->text();
QStringList env;
env << "DISPLAY=:1";
env << QString("SSH_ASKPASS=%1").arg(QCoreApplication::applicationFilePath());
env << QString("GLACJAY_SSHPROXY_PASSWORD=%1").arg(mPswdEdit->text());
mProcess->setEnvironment(env);
mProcess->start("/usr/bin/ssh", arguments);
}
void MainDialog::stopRunning(void)
{
mIsKeepRunning = false;
mCtrlBtn->setText(tr("Start"));
if (mProcess->state() != QProcess::NotRunning)
mProcess->kill();
}