Maemo: Add interface for ssh library (completely #ifdef'ed out for now).

This will replace the current ssh-via-QProcess approach, which
has severe drawbacks.

src/plugins/qt4projectmanager/qt-maemo/maemosshconnection.cpp

@@ -0,0 +1,133 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Creator.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "maemosshconnection.h"
+
+#ifdef USE_SSH_LIB
+
+#include "maemodeviceconfigurations.h"
+
+#include "/opt/ne7ssh/include/ne7ssh.h"
+
+#include <QtCore/QMutex>
+#include <QtCore/QMutexLocker>
+
+namespace Qt4ProjectManager {
+namespace Internal {
+namespace {
+    ne7ssh ssh;
+}
+
+MaemoSshConnection::Ptr MaemoSshConnection::connect(
+    const MaemoDeviceConfig &devConf, bool shell)
+{
+    return MaemoSshConnection::Ptr(new MaemoSshConnection(devConf, shell));
+}
+
+MaemoSshConnection::MaemoSshConnection(const MaemoDeviceConfig &devConf,
+                                       bool shell)
+    : m_channel(-1), m_prompt(0), m_stopRequested(false)
+{
+    const QString *authString;
+    int (ne7ssh::*connFunc)(const char *, int, const char *, const char *, bool, int);
+    if (devConf.authentication == MaemoDeviceConfig::Password) {
+        authString = &devConf.pwd;
+        connFunc = &ne7ssh::connectWithPassword;
+    } else {
+        authString = &devConf.keyFile;
+        connFunc = &ne7ssh::connectWithKey;
+    }
+    m_channel = (ssh.*connFunc)(devConf.host.toAscii(), devConf.port,
+        devConf.uname.toAscii(), authString->toAscii(), shell, devConf.timeout);
+    if (m_channel == -1)
+        throw MaemoSshException(tr("Could not connect to host"));
+
+    if (shell) {
+        m_prompt = devConf.uname == QLatin1String("root") ? "# " : "$ ";
+        if (!ssh.waitFor(m_channel, m_prompt, devConf.timeout)) {
+            const QString error = tr("Could not start remote shell: %1").
+                                  arg(ssh.errors()->pop(m_channel));
+            ssh.close(m_channel);
+            throw MaemoSshException(error);
+        }
+    }
+}
+
+MaemoSshConnection::~MaemoSshConnection()
+{
+    qDebug("%s", Q_FUNC_INFO);
+    if (m_prompt) {
+        ssh.send("exit\n", m_channel);
+        ssh.waitFor(m_channel, m_prompt, 1);
+    }
+
+    ssh.close(m_channel);
+}
+
+void MaemoSshConnection::runCommand(const QString &command)
+{
+    if (!ssh.send((command + QLatin1String("\n")).toLatin1().data(),
+                  m_channel)) {
+        throw MaemoSshException(tr("Error running command: %1")
+                                .arg(ssh.errors()->pop(m_channel)));
+    }
+
+    bool done;
+    do {
+        done = ssh.waitFor(m_channel, m_prompt, 3);
+        const char * const error = ssh.errors()->pop(m_channel);
+        if (error)
+            throw MaemoSshException(tr("SSH error: %1").arg(error));
+        const char * const output = ssh.read(m_channel);
+        if (output)
+            emit remoteOutput(QLatin1String(output));
+    } while (!done && !m_stopRequested);
+}
+
+void MaemoSshConnection::stopCommand()
+{
+    m_stopRequested = true;
+}
+
+} // namespace Internal
+} // namespace Qt4ProjectManager
+
+#endif