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tdebase/kioslave/media/mediamanager/fstabbackend.cpp

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/* This file is part of the KDE Project
Copyright (c) 2004 Kévin Ottens <ervin ipsquad net>
Linux CD/DVD detection
Copyright (c) 2005 Bernhard Rosenkraenzer <bero arklinux org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
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 "fstabbackend.h"
#ifdef __linux__
// For CD/DVD drive detection
#include <fcntl.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <stdint.h>
#define CDROM_GET_CAPABILITY 0x5331
#define CDSL_CURRENT ((int) (~0U>>1))
#define CDC_DVD_R 0x10000 /* drive can write DVD-R */
#define CDC_DVD_RAM 0x20000 /* drive can write DVD-RAM */
#define CDC_CD_R 0x2000 /* drive is a CD-R */
#define CDC_CD_RW 0x4000 /* drive is a CD-RW */
#define CDC_DVD 0x8000 /* drive is a DVD */
#include <tqfile.h>
#endif
#include <klocale.h>
#include <kio/job.h>
#include <kio/netaccess.h>
#include <kdebug.h>
#include <kdirwatch.h>
#include <kurl.h>
#include <kmountpoint.h>
#include <kstandarddirs.h>
#ifdef _OS_SOLARIS_
#define FSTAB "/etc/vfstab"
#define MTAB "/etc/mnttab"
#else
#define FSTAB "/etc/fstab"
#define MTAB "/etc/mtab"
#endif
FstabBackend::FstabBackend(MediaList &list, bool networkSharesOnly)
: TQObject(), BackendBase(list), m_networkSharesOnly(networkSharesOnly)
{
KDirWatch::self()->addFile(MTAB);
KDirWatch::self()->addFile(FSTAB);
connect( KDirWatch::self(), TQT_SIGNAL( dirty(const TQString&) ),
this, TQT_SLOT( slotDirty(const TQString&) ) );
handleFstabChange(false);
handleMtabChange(false);
KDirWatch::self()->startScan();
#ifdef Q_OS_FREEBSD
connect( &m_mtabTimer, TQT_SIGNAL( timeout() ),
this, TQT_SLOT( handleMtabChange() ) );
m_mtabTimer.start(250);
#endif
}
FstabBackend::~FstabBackend()
{
TQStringList::iterator it = m_mtabIds.begin();
TQStringList::iterator end = m_mtabIds.end();
for (; it!=end; ++it)
{
m_mediaList.removeMedium(*it, false);
}
it = m_fstabIds.begin();
end = m_fstabIds.end();
for (; it!=end; ++it)
{
m_mediaList.removeMedium(*it, false);
}
KDirWatch::self()->removeFile(FSTAB);
KDirWatch::self()->removeFile(MTAB);
}
TQString FstabBackend::mount( const TQString &_udi )
{
const Medium* medium = m_mediaList.findById(_udi);
if (!medium)
return i18n("No such medium: %1").arg(_udi);
TDEIO::Job* job = TDEIO::mount( false, 0, medium->deviceNode(), medium->mountPoint());
TDEIO::NetAccess::synchronousRun( job, 0 );
return TQString::null;
}
TQString FstabBackend::unmount( const TQString &_udi )
{
const Medium* medium = m_mediaList.findById(_udi);
if (!medium)
return i18n("No such medium: %1").arg(_udi);
TDEIO::Job* job = TDEIO::unmount( medium->mountPoint(), false);
TDEIO::NetAccess::synchronousRun( job, 0 );
return TQString::null;
}
void FstabBackend::slotDirty(const TQString &path)
{
if (path==MTAB)
{
handleMtabChange();
}
else if (path==FSTAB)
{
handleFstabChange();
}
}
bool inExclusionPattern(KMountPoint *mount, bool networkSharesOnly)
{
if ( mount->mountType() == "swap"
|| mount->mountType() == "tmpfs"
|| mount->mountType() == "sysfs"
|| mount->mountType() == "fdescfs"
|| mount->mountType() == "kernfs"
|| mount->mountType() == "usbfs"
|| mount->mountType().contains( "proc" )
|| mount->mountType() == "unknown"
|| mount->mountType() == "none"
|| mount->mountType() == "sunrpc"
|| mount->mountedFrom() == "none"
|| mount->mountedFrom() == "tmpfs"
|| mount->mountedFrom().find("shm") != -1
|| mount->mountPoint() == "/dev/swap"
|| mount->mountPoint() == "/dev/pts"
|| mount->mountPoint().find("/proc") == 0
|| mount->mountPoint().find("/sys") == 0
// We might want to display only network shares
// since HAL doesn't handle them
|| ( networkSharesOnly
&& mount->mountType().find( "smb" ) == -1
&& mount->mountType().find( "cifs" ) == -1
&& mount->mountType().find( "nfs" ) == -1
)
)
{
return true;
}
else
{
return false;
}
}
void FstabBackend::handleMtabChange(bool allowNotification)
{
TQStringList new_mtabIds;
KMountPoint::List mtab = KMountPoint::currentMountPoints();
KMountPoint::List::iterator it = mtab.begin();
KMountPoint::List::iterator end = mtab.end();
for (; it!=end; ++it)
{
TQString dev = (*it)->mountedFrom();
TQString mp = (*it)->mountPoint();
TQString fs = (*it)->mountType();
if ( ::inExclusionPattern(*it, m_networkSharesOnly) ) continue;
/* Did we know this already before ? If yes, then
nothing has changed, do not stat the mount point. Avoids
hang if network shares are stalling */
TQString mtabEntry = dev + "*" + mp + "*" + fs;
if(m_mtabEntries.contains(mtabEntry)) {
new_mtabIds += m_mtabEntries[mtabEntry];
continue;
}
TQString id = generateId(dev, mp);
new_mtabIds+=id;
m_mtabEntries[mtabEntry] = id;
if ( !m_mtabIds.contains(id) && m_fstabIds.contains(id) )
{
TQString mime, icon, label;
guess(dev, mp, fs, true, mime, icon, label);
m_mediaList.changeMediumState(id, true, false,
mime, icon, label);
}
#if 0
else if ( !m_mtabIds.contains(id) )
{
TQString name = generateName(dev, fs);
Medium *m = new Medium(id, name);
m->mountableState(dev, mp, fs, true);
TQString mime, icon, label;
guess(dev, mp, fs, true, mime, icon, label);
m->setMimeType(mime);
m->setIconName(icon);
m->setLabel(label);
m_mediaList.addMedium(m, notificationAllowed);
}
#endif
}
TQStringList::iterator it2 = m_mtabIds.begin();
TQStringList::iterator end2 = m_mtabIds.end();
for (; it2!=end2; ++it2)
{
if ( !new_mtabIds.contains(*it2) && m_fstabIds.contains(*it2) )
{
const Medium *medium = m_mediaList.findById(*it2);
TQString dev = medium->deviceNode();
TQString mp = medium->mountPoint();
TQString fs = medium->fsType();
TQString mtabEntry = dev + "*" + mp + "*" + fs;
m_mtabEntries.remove(mtabEntry);
TQString mime, icon, label;
guess(dev, mp, fs, false, mime, icon, label);
m_mediaList.changeMediumState(*it2, false, false,
mime, icon, label);
}
#if 0
else if ( !new_mtabIds.contains(*it2) )
{
m_mediaList.removeMedium(*it2, allowNotification);
}
#endif
}
m_mtabIds = new_mtabIds;
}
void FstabBackend::handleFstabChange(bool allowNotification)
{
TQStringList new_fstabIds;
KMountPoint::List fstab = KMountPoint::possibleMountPoints();
KMountPoint::List::iterator it = fstab.begin();
KMountPoint::List::iterator end = fstab.end();
for (; it!=end; ++it)
{
TQString dev = (*it)->mountedFrom();
TQString mp = (*it)->mountPoint();
TQString fs = (*it)->mountType();
if ( ::inExclusionPattern(*it, m_networkSharesOnly) ) continue;
TQString id = generateId(dev, mp);
new_fstabIds+=id;
if ( !m_fstabIds.contains(id) )
{
TQString name = generateName(dev, fs);
Medium *m = new Medium(id, id, name);
m->mountableState(dev, mp, fs, false);
TQString mime, icon, label;
guess(dev, mp, fs, false, mime, icon, label);
m->setMimeType(mime);
m->setIconName(icon);
m->setLabel(label);
m_mediaList.addMedium(m, allowNotification);
}
}
TQStringList::iterator it2 = m_fstabIds.begin();
TQStringList::iterator end2 = m_fstabIds.end();
for (; it2!=end2; ++it2)
{
if ( !new_fstabIds.contains(*it2) )
{
m_mediaList.removeMedium(*it2, allowNotification);
}
}
m_fstabIds = new_fstabIds;
}
TQString FstabBackend::generateId(const TQString &devNode,
const TQString &mountPoint)
{
TQString d = KStandardDirs::realFilePath(devNode);
TQString m = KStandardDirs::realPath(mountPoint);
return "/org/kde/mediamanager/fstab/"
+d.replace("/", "")
+m.replace("/", "");
}
TQString FstabBackend::generateName(const TQString &devNode, const TQString &fsType)
{
KURL url( devNode );
if ( url.isValid() )
{
return url.fileName();
}
else // surely something nfs or samba based
{
return fsType;
}
}
void FstabBackend::guess(const TQString &devNode, const TQString &mountPoint,
const TQString &fsType, bool mounted,
TQString &mimeType, TQString &iconName, TQString &label)
{
enum { UNKNOWN, CD, CDWRITER, DVD, DVDWRITER } devType = UNKNOWN;
#ifdef __linux__
// Guessing device types by mount point is not exactly accurate...
// Do something accurate first, and fall back if necessary.
int device=open(TQFile::encodeName(devNode), O_RDONLY|O_NONBLOCK);
if(device>=0)
{
bool isCd=false;
TQString devname=devNode.section('/', -1);
if(devname.startsWith("scd") || devname.startsWith("sr"))
{
// SCSI CD/DVD drive
isCd=true;
}
else if(devname.startsWith("hd"))
{
// IDE device -- we can't tell if this is a
// CD/DVD drive or harddisk by just looking at the
// filename
TQFile m(TQString("/proc/ide/") + devname + "/media");
if(m.open(IO_ReadOnly))
{
TQString buf;
m.readLine(buf, 1024);
if(buf.contains("cdrom"))
isCd=true;
m.close();
}
}
if(isCd)
{
int drv=ioctl(device, CDROM_GET_CAPABILITY, CDSL_CURRENT);
if(drv>=0)
{
if((drv & CDC_DVD_R) || (drv & CDC_DVD_RAM))
devType = DVDWRITER;
else if((drv & CDC_CD_R) || (drv & CDC_CD_RW))
devType = CDWRITER;
else if(drv & CDC_DVD)
devType = DVD;
else
devType = CD;
}
}
close(device);
}
#endif
if ( devType == CDWRITER
|| devNode.find("cdwriter")!=-1 || mountPoint.find("cdwriter")!=-1
|| devNode.find("cdrecorder")!=-1 || mountPoint.find("cdrecorder")!=-1
|| devNode.find("cdburner")!=-1 || mountPoint.find("cdburner")!=-1
|| devNode.find("cdrw")!=-1 || mountPoint.find("cdrw")!=-1
|| devNode.find("graveur")!=-1
)
{
mimeType = "media/cdwriter";
label = i18n("CD Recorder");
}
else if ( devType == DVD || devType == DVDWRITER
|| devNode.find("dvd")!=-1 || mountPoint.find("dvd")!=-1 )
{
mimeType = "media/dvd";
label = i18n("DVD");
}
else if ( devType == CD
|| devNode.find("cdrom")!=-1 || mountPoint.find("cdrom")!=-1
// LINUX SPECIFIC
|| devNode.find("/dev/scd")!=-1 || devNode.find("/dev/sr")!=-1
// FREEBSD SPECIFIC
|| devNode.find("/acd")!=-1 || devNode.find("/scd")!=-1
)
{
mimeType = "media/cdrom";
label = i18n("CD-ROM");
}
else if ( devNode.find("fd")!=-1 || mountPoint.find("fd")!=-1
|| devNode.find("floppy")!=-1 || mountPoint.find("floppy")!=-1 )
{
if ( devNode.find("360")!=-1 || devNode.find("1200")!=-1 )
{
mimeType = "media/floppy5";
}
else
{
mimeType = "media/floppy";
}
label = i18n("Floppy");
}
else if ( mountPoint.find("zip")!=-1
// FREEBSD SPECIFIC
|| devNode.find("/afd")!=-1
)
{
mimeType = "media/zip";
label = i18n("Zip Disk");
}
else if ( mountPoint.find("removable")!=-1
|| mountPoint.find("hotplug")!=-1
|| mountPoint.find("usb")!=-1
|| mountPoint.find("firewire")!=-1
|| mountPoint.find("ieee1394")!=-1
|| devNode.find("/usb/")!= -1
)
{
mimeType = "media/removable";
label = i18n("Removable Device");
}
else if ( fsType.find("nfs")!=-1 )
{
mimeType = "media/nfs";
label = i18n("Remote Share");
}
else if ( fsType.find("smb")!=-1 || fsType.find("cifs")!=-1
|| devNode.find("//")!=-1 )
{
mimeType = "media/smb";
label = i18n("Remote Share");
}
else
{
mimeType = "media/hdd";
label = i18n("Hard Disk");
}
if ( mimeType=="media/nfs" || mimeType=="media/smb" )
{
label+= " (" + devNode + ")";
}
else
{
TQString tmp = devNode;
if ( tmp.startsWith("/dev/") )
{
tmp = tmp.mid(5);
}
label+= " (" + tmp + ")";
}
mimeType+= (mounted ? "_mounted" : "_unmounted");
iconName = TQString::null;
}
#include "fstabbackend.moc"