summaryrefslogtreecommitdiffstats
path: root/tdeioslave/media/mediamanager/fstabbackend.cpp
blob: 2f5bea2209139f7f0030942c356dc0818bd4467b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
/* 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 <tdeio/job.h>
#include <tdeio/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 = TDEStandardDirs::realFilePath(devNode);
	TQString m = TDEStandardDirs::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"