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tdebase/tdeioslave/media/mounthelper/tdeio_media_mounthelper.cpp

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/* This file is part of the KDE project
Copyright (c) 2004 Kévin Ottens <ervin ipsquad net>
Parts of this file are
Copyright 2003 Waldo Bastian <bastian@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <tdecmdlineargs.h>
#include <tdelocale.h>
#include <tdeapplication.h>
#include <kurl.h>
#include <tdemessagebox.h>
#include <dcopclient.h>
#include <tqtimer.h>
#include <stdlib.h>
#include <kdebug.h>
#include <tdeglobal.h>
#include <kprocess.h>
#include <tdestartupinfo.h>
#include <kmimetype.h>
#ifdef __TDE_HAVE_TDEHWLIB
#include <tdehardwaredevices.h>
#endif
#include "dialog.h"
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#include "tdeio_media_mounthelper.h"
const Medium MountHelper::findMedium(const TQString &device)
{
DCOPReply reply = m_mediamanager.call("properties", device);
if (!reply.isValid())
{
m_errorStr = i18n("The TDE mediamanager is not running.\n");
return Medium(TQString::null, TQString::null, TQString::null);
}
const Medium &medium = Medium::create(reply);
return medium;
}
void MountHelper::mount(const Medium &medium)
{
if (medium.id().isEmpty()) {
m_errorStr = i18n("Try to mount an unknown medium.");
errorAndExit();
}
TQString device = medium.deviceNode();
if (!medium.isMountable()) {
m_errorStr = i18n("%1 is not a mountable media.").arg(device);
errorAndExit();
}
else if (medium.isMounted()) {
m_errorStr = i18n("%1 is already mounted to %2.").arg(device).arg(medium.mountPoint());
errorAndExit();
}
DCOPReply reply = m_mediamanager.call("mount", medium.id());
TQStringVariantMap mountResult;
if (reply.isValid()) {
reply.get(mountResult);
}
if (!mountResult.contains("result") || !mountResult["result"].toBool()) {
m_errorStr = mountResult.contains("errStr") ? mountResult["errStr"].toString() : i18n("Unknown mount error.");
errorAndExit();
}
}
void MountHelper::unmount(const Medium &medium)
{
if (medium.id().isEmpty()) {
m_errorStr = i18n("Try to unmount an unknown medium.");
errorAndExit();
}
TQString device = medium.deviceNode();
if (!medium.isMountable()) {
m_errorStr = i18n("%1 is not a mountable media.").arg(device);
errorAndExit();
}
else if (!medium.isMounted()) {
m_errorStr = i18n("%1 is already unmounted.").arg(device);
errorAndExit();
}
DCOPReply reply = m_mediamanager.call("unmount", medium.id());
TQStringVariantMap unmountResult;
if (reply.isValid()) {
reply.get(unmountResult);
}
if (!unmountResult.contains("result") || !unmountResult["result"].toBool()) {
m_errorStr = unmountResult.contains("errStr") ? unmountResult["errStr"].toString() : i18n("Unknown unmount error.");
kdDebug() << "medium unmount " << m_errorStr << endl;
errorAndExit();
}
}
void MountHelper::unlock(const Medium &medium)
{
if (medium.id().isEmpty()) {
m_errorStr = i18n("Try to unlock an unknown medium.");
errorAndExit();
}
TQString device = medium.deviceNode();
if (!medium.isEncrypted())
{
m_errorStr = i18n("%1 is not an encrypted media.").arg(device);
errorAndExit();
}
if (!medium.needUnlocking())
{
m_errorStr = i18n("%1 is already unlocked.").arg(device);
errorAndExit();
}
TQString iconName = medium.iconName();
if (iconName.isEmpty())
{
TQString mime = medium.mimeType();
iconName = KMimeType::mimeType(mime)->icon(mime, false);
}
m_mediumId = medium.id();
m_dialog = new Dialog(device, iconName);
connect(m_dialog, TQT_SIGNAL(user1Clicked()), this, TQT_SLOT(slotSendPassword()));
connect(m_dialog, TQT_SIGNAL(cancelClicked()), this, TQT_SLOT(slotCancel()));
m_dialog->show();
}
void MountHelper::lock(const Medium &medium)
{
if (medium.id().isEmpty())
{
m_errorStr = i18n("Try to lock an unknown medium.");
errorAndExit();
}
TQString device = medium.deviceNode();
if (!medium.isEncrypted())
{
m_errorStr = i18n("%1 is not an encrypted media.").arg(device);
errorAndExit();
}
if (medium.needUnlocking())
{
m_errorStr = i18n("%1 is already locked.").arg(device);
errorAndExit();
}
// Release children devices
releaseHolders(medium);
DCOPReply reply = m_mediamanager.call("lock", medium.id());
TQStringVariantMap lockResult;
if (reply.isValid()) {
reply.get(lockResult);
}
if (!lockResult.contains("result") || !lockResult["result"].toBool()) {
m_errorStr = lockResult.contains("errStr") ? lockResult["errStr"].toString() : i18n("Unknown lock error.");
kdDebug() << "medium lock " << m_errorStr << endl;
errorAndExit();
}
}
void MountHelper::eject(const TQString &device, bool quiet)
{
#ifdef __TDE_HAVE_TDEHWLIB
// Try TDE HW library eject first...
TDEHardwareDevices *hwdevices = TDEGlobal::hardwareDevices();
TDEGenericDevice *hwdevice = hwdevices->findByDeviceNode(device);
if (hwdevice->type() == TDEGenericDeviceType::Disk) {
TDEStorageDevice *sdevice = static_cast<TDEStorageDevice*>(hwdevice);
if (sdevice->ejectDrive()) {
// Success!
::exit(0);
}
}
#endif
// Otherwise fall back to tdeeject
TDEProcess *proc = new TDEProcess(TQT_TQOBJECT(this));
*proc << "tdeeject";
if (quiet)
{
*proc << "-q";
}
*proc << device;
connect(proc, TQT_SIGNAL(processExited(TDEProcess*)), this, TQT_SLOT(ejectFinished(TDEProcess*)));
proc->start();
}
void MountHelper::releaseHolders(const Medium &medium, bool handleThis)
{
#ifdef __TDE_HAVE_TDEHWLIB
if (medium.id().isEmpty())
{
m_errorStr = i18n("Try to release holders from an unknown medium.");
return;
}
// Scan the holding devices and unmount/lock them if possible
TDEHardwareDevices *hwdevices = TDEGlobal::hardwareDevices();
TDEStorageDevice *sdevice = hwdevices->findDiskByUID(medium.id());
if (sdevice)
{
TQStringList holdingDeviceList = sdevice->holdingDevices();
for (TQStringList::Iterator holdingDevIt = holdingDeviceList.begin(); holdingDevIt != holdingDeviceList.end(); ++holdingDevIt)
{
TDEGenericDevice *hwHolderDevice = hwdevices->findBySystemPath(*holdingDevIt);
if (hwHolderDevice->type() == TDEGenericDeviceType::Disk)
{
TDEStorageDevice *holderSDevice = static_cast<TDEStorageDevice*>(hwHolderDevice);
const Medium holderMedium = findMedium(holderSDevice->deviceNode());
if (!holderMedium.id().isEmpty())
{
releaseHolders(holderMedium, true);
}
}
}
}
if (handleThis)
{
// Unmount if necessary
if (medium.isMountable() && medium.isMounted())
{
unmount(medium);
}
// Lock if necessary.
if (medium.isEncrypted() && !medium.isLocked())
{
lock(medium);
}
}
#endif
}
void MountHelper::safeRemoval(const Medium &medium)
{
/*
* Safely remove will performs the following tasks:
* 1) release children devices (if tdehw is available)
* 2) if the medium is mounted, unmount it
* 3) if the medium is encrypted and unlocked, lock it
* 4) invoke eject to release the medium.
* If any of the above steps fails, the procedure will interrupt and an
* error message will be displayed to the user.
*
* Note: previously eject was invoked also in case of unmount failure. This
* could lead to data loss and therefore the behaviour has been changed.
* If a user really wants to eject the medium, he needs to either unmount it
* first or invoke eject manually.
*/
if (medium.id().isEmpty())
{
m_errorStr = i18n("Try to safe remove an unknown medium.");
errorAndExit();
}
// Release children devices
releaseHolders(medium);
TQStringVariantMap opResult;
TQString device = medium.deviceNode();
// Unmount if necessary
if (medium.isMountable() && medium.isMounted())
{
unmount(medium);
}
// Lock if necessary.
if (medium.isEncrypted() && !medium.isLocked())
{
lock(medium);
}
}
MountHelper::MountHelper() : TDEApplication(), m_mediamanager("kded", "mediamanager")
{
TDECmdLineArgs *args = TDECmdLineArgs::parsedArgs();
m_errorStr = TQString::null;
const Medium medium = findMedium(args->arg(0));
if (medium.id().isEmpty())
{
if (m_errorStr.isEmpty()) {
m_errorStr+= i18n("%1 cannot be found.").arg(args->arg(0));
}
errorAndExit();
}
TQString device = medium.deviceNode();
if (!medium.isMountable() && !medium.isEncrypted() && !args->isSet("e") && !args->isSet("s"))
{
m_errorStr = i18n("%1 is not a mountable or encrypted media.").arg(device);
errorAndExit();
}
if (args->isSet("m"))
{
mount(medium);
::exit(0);
}
else if (args->isSet("u"))
{
unmount(medium);
::exit(0);
}
else if (args->isSet("k"))
{
unlock(medium);
// No call to ::exit() here because this will open up the password dialog
// ::exit() is handled in the invoked code.
}
else if (args->isSet("l"))
{
lock(medium);
::exit(0);
}
else if (args->isSet("e"))
{
eject(device, true);
::exit(0);
}
else if (args->isSet("s"))
{
safeRemoval(medium);
eject(device, true);
::exit(0);
}
else
{
TDECmdLineArgs::usage();
::exit(0);
}
}
MountHelper::~MountHelper()
{
if (m_dialog)
{
delete m_dialog;
}
}
void MountHelper::ejectFinished(TDEProcess *proc)
{
//If eject failed, report the error stored in m_errorStr
if (proc->normalExit() && proc->exitStatus() == 0) {
::exit(0);
}
else {
if (!m_errorStr.isEmpty()) {
errorAndExit();
}
::exit(0);
}
}
void MountHelper::error()
{
TQString prettyErrorString = m_errorStr;
if (m_errorStr.contains("<") && m_errorStr.contains(">")) {
if (!m_errorStr.contains("<qt>")) {
prettyErrorString = TQString("<qt>%1</qt>").arg(m_errorStr);
}
}
KMessageBox::error(0, prettyErrorString);
}
void MountHelper::errorAndExit()
{
error();
::exit(1);
}
void MountHelper::slotSendPassword()
{
DCOPReply reply = m_mediamanager.call("unlock", m_mediumId, m_dialog->getPassword());
TQStringVariantMap unlockResult;
if (reply.isValid()) {
reply.get(unlockResult);
}
if (unlockResult.contains("result") && unlockResult["result"].toBool()) {
::exit(0);
}
else {
m_errorStr = unlockResult.contains("errStr") ? unlockResult["errStr"].toString() : i18n("Unknown unlock error.");
kdDebug() << "medium unlock " << m_errorStr << endl;
error();
}
}
void MountHelper::slotCancel()
{
exit(0);
}
static TDECmdLineOptions options[] =
{
{ "m", I18N_NOOP("Mount given URL"), 0 },
{ "u", I18N_NOOP("Unmount given URL"), 0 },
{ "k", I18N_NOOP("Unlock given URL"), 0 },
{ "l", I18N_NOOP("Lock given URL"), 0 },
{ "e", I18N_NOOP("Eject given URL"), 0},
{ "s", I18N_NOOP("Safely remove (unmount and eject) given URL"), 0},
{"!+URL", I18N_NOOP("media:/URL to mount/unmount/unlock/lock/eject/remove"), 0 },
TDECmdLineLastOption
};
int main(int argc, char **argv)
{
12 years ago
TDECmdLineArgs::init(argc, argv, "tdeio_media_mounthelper",
"tdeio_media_mounthelper", "tdeio_media_mounthelper",
"0.1");
TDECmdLineArgs::addCmdLineOptions(options);
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TDEGlobal::locale()->setMainCatalogue("tdeio_media");
TDEApplication::addCmdLineOptions();
if (TDECmdLineArgs::parsedArgs()->count()==0)
{
TDECmdLineArgs::usage();
}
TDEApplication *app = new MountHelper();
TDEStartupInfo::appStarted();
app->dcopClient()->attach();
return app->exec();
}
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#include "tdeio_media_mounthelper.moc"