imageid_defs.php 22.5 KB
Newer Older
1
2
<?php
#
3
# Copyright (c) 2006-2013 University of Utah and the Flux Group.
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
# 
# {{{EMULAB-LICENSE
# 
# This file is part of the Emulab network testbed software.
# 
# This file is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at
# your option) any later version.
# 
# This file 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 Affero General Public
# License for more details.
# 
# You should have received a copy of the GNU Affero General Public License
# along with this file.  If not, see <http://www.gnu.org/licenses/>.
# 
# }}}
23
24
25
26
27
28
29
#
include_once("osinfo_defs.php");	# For SpitOSIDLink() below.

class Image
{
    var	$image;
    var $types;
30
31
    var $group;
    var $project;
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

    #
    # Constructor by lookup on unique ID
    #
    function Image($id) {
	$safe_id = addslashes($id);

	$query_result =
	    DBQueryWarn("select * from images ".
			"where imageid='$safe_id'");

	if (!$query_result || !mysql_num_rows($query_result)) {
	    $this->image = NULL;
	    return;
	}
	$this->image = mysql_fetch_array($query_result);

	#
	# Load the type info.
	#
	$types = array();
	
	$query_result = 
55
	    DBQueryFatal("select distinct type from osidtoimageid ".
56
57
58
59
60
61
			 "where imageid='$safe_id'");
	
	while ($row = mysql_fetch_array($query_result)) {
	    $types[] = $row['type'];
	}
	$this->types = $types;
62
63
64
65

	# Load lazily;
	$this->group      = null;
	$this->project    = null;
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
    }

    # Hmm, how does one cause an error in a php constructor?
    function IsValid() {
	return !is_null($this->image);
    }

    # Lookup by imageid
    function Lookup($id) {
	$foo = new Image($id);

	if (! $foo->IsValid())
	    return null;

	return $foo;
    }

    # Lookup by imagename in a project
    function LookupByName($project, $name) {
	$pid       = $project->pid();
	$safe_name = addslashes($name);
	
	$query_result =
	    DBQueryFatal("select imageid from images ".
			 "where pid='$pid' and imagename='$safe_name'");

	if (mysql_num_rows($query_result) == 0) {
	    return null;
	}
	$row = mysql_fetch_array($query_result);
	return Image::Lookup($row["imageid"]);
    }

99
100
101
102
103
104
105
106
107
108
109
110
111
112
    function LookupByUUID($uuid) {
	$safe_uuid = addslashes($uuid);

	$query_result =
	    DBQueryFatal("select imageid from images ".
			 "where uuid='$safe_uuid'");

	if (mysql_num_rows($query_result) == 0) {
	    return null;
	}
	$row = mysql_fetch_array($query_result);
	return Image::Lookup($row["imageid"]);
    }
    
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
    #
    # Refresh an instance by reloading from the DB.
    #
    function Refresh() {
	if (! $this->IsValid())
	    return -1;

	$imageid = $this->imageid();

	$query_result =
	    DBQueryWarn("select * from images where imageid='$imageid'");
    
	if (!$query_result || !mysql_num_rows($query_result)) {
	    $this->imageid = NULL;
	    return -1;
	}
129
	$this->image = mysql_fetch_array($query_result);
130
131
132
133
134
135
136

	#
	# Reload the type info.
	#
	$types = array();
	
	$query_result = 
137
	    DBQueryFatal("select distinct type from osidtoimageid ".
138
139
140
141
142
143
144
145
146
147
			 "where imageid='$imageid'");
	
	while ($row = mysql_fetch_array($query_result)) {
	    $types[] = $row['type'];
	}
	$this->types = $types;
	
	return 0;
    }

148
    #
149
150
    # Class function to create a new image descriptor.
    #
151
    function NewImageId($ez, $imagename, $args, &$errors) {
152
153
154
155
156
	global $suexec_output, $suexec_output_array;

        #
        # Generate a temporary file and write in the XML goo.
        #
Russ Fish's avatar
Russ Fish committed
157
	$xmlname = tempnam("/tmp", $ez ? "newimageid_ez" : "newimageid");
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
	if (! $xmlname) {
	    TBERROR("Could not create temporary filename", 0);
	    $errors[] = "Transient error(1); please try again later.";
	    return null;
	}
	if (! ($fp = fopen($xmlname, "w"))) {
	    TBERROR("Could not open temp file $xmlname", 0);
	    $errors[] = "Transient error(2); please try again later.";
	    return null;
	}

	# Add these. Maybe caller should do this?
	$args["imagename"] = $imagename;

	fwrite($fp, "<image>\n");
	foreach ($args as $name => $value) {
	    fwrite($fp, "<attribute name=\"$name\">");
	    fwrite($fp, "  <value>" . htmlspecialchars($value) . "</value>");
	    fwrite($fp, "</attribute>\n");
	}
	fwrite($fp, "</image>\n");
	fclose($fp);
	chmod($xmlname, 0666);

182
183
	$script = "webnewimageid" . ($ez ? "_ez" : "");
	$retval = SUEXEC("nobody", "nobody", "$script $xmlname",
184
185
186
187
			 SUEXEC_ACTION_IGNORE);

	if ($retval) {
	    if ($retval < 0) {
188
		$errors[] = "Transient error(3, $retval); please try again later.";
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
		SUEXECERROR(SUEXEC_ACTION_CONTINUE);
	    }
	    else {
		# unlink($xmlname);
		if (count($suexec_output_array)) {
		    for ($i = 0; $i < count($suexec_output_array); $i++) {
			$line = $suexec_output_array[$i];
			if (preg_match("/^([-\w]+):\s*(.*)$/",
				       $line, $matches)) {
			    $errors[$matches[1]] = $matches[2];
			}
			else
			    $errors[] = $line;
		    }
		}
		else
205
		    $errors[] = "Transient error(4, $retval); please try again later.";
206
207
208
209
210
211
212
213
214
215
216
217
	    }
	    return null;
	}

        #
        # Parse the last line of output. Ick.
        #
	unset($matches);
	
	if (!preg_match("/^IMAGE\s+([^\/]+)\/(\d+)\s+/",
			$suexec_output_array[count($suexec_output_array)-1],
			$matches)) {
218
	    $errors[] = "Transient error(5); please try again later.";
219
220
221
222
223
224
	    SUEXECERROR(SUEXEC_ACTION_CONTINUE);
	    return null;
	}
	$image = $matches[2];
	$newimage = image::Lookup($image);
	if (! $newimage) {
225
	    $errors[] = "Transient error(6); please try again later.";
226
227
228
229
230
231
232
233
234
235
	    TBERROR("Could not lookup new image $image", 0);
	    return null;
	}

	# Unlink this here, so that the file is left behind in case of error.
	# We can then create the image by hand from the xmlfile, if desired.
	unlink($xmlname);
	return $newimage; 
    }

236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
    #
    # Flip global bit. If making it global, turn off shared.
    # Also, if an EZ image, flip the bit on the os_info entry too.
    #
    function SetGlobal($mode) {
	$id       = $this->imageid();
	$mode     = ($mode ? 1 : 0);
	$extra    = ($mode ? ",shared=0" : "");

	DBQueryFatal("update images set global='$mode' $extra ".
		     "where imageid='$id'");

	if ($this->ezid()) {
	    DBQueryFatal("update os_info set shared='$mode' ".
			 "where osid='$id'");
	}
	return 0;
    }

255
256
    #
    # Class function to edit an image descriptor.
257
258
259
260
261
262
263
264
265
266
    #
    function EditImageid($image, $args, &$errors) {
	global $suexec_output, $suexec_output_array;

        #
        # Generate a temporary file and write in the XML goo.
        #
	$xmlname = tempnam("/tmp", "editimageid");
	if (! $xmlname) {
	    TBERROR("Could not create temporary filename", 0);
267
	    $errors[] = "Transient error(1); please try again later.";
268
269
270
271
	    return null;
	}
	if (! ($fp = fopen($xmlname, "w"))) {
	    TBERROR("Could not open temp file $xmlname", 0);
272
	    $errors[] = "Transient error(2); please try again later.";
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
	    return null;
	}

	# Add these. Maybe caller should do this?
	$args["imageid"] = $image->imageid();

	fwrite($fp, "<image>\n");
	foreach ($args as $name => $value) {
	    fwrite($fp, "<attribute name=\"$name\">");
	    fwrite($fp, "  <value>" . htmlspecialchars($value) . "</value>");
	    fwrite($fp, "</attribute>\n");
	}
	fwrite($fp, "</image>\n");
	fclose($fp);
	chmod($xmlname, 0666);

	$retval = SUEXEC("nobody", "nobody", "webeditimageid $xmlname",
			 SUEXEC_ACTION_IGNORE);

	if ($retval) {
	    if ($retval < 0) {
294
		$errors[] = "Transient error(3, $retval); please try again later.";
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
		SUEXECERROR(SUEXEC_ACTION_CONTINUE);
	    }
	    else {
		# unlink($xmlname);
		if (count($suexec_output_array)) {
		    for ($i = 0; $i < count($suexec_output_array); $i++) {
			$line = $suexec_output_array[$i];
			if (preg_match("/^([-\w]+):\s*(.*)$/",
				       $line, $matches)) {
			    $errors[$matches[1]] = $matches[2];
			}
			else
			    $errors[] = $line;
		    }
		}
		else
311
		    $errors[] = "Transient error(4, $retval); please try again later.";
312
313
314
315
316
317
318
319
	    }
	    return null;
	}

	# There are no return value(s) to parse at the end of the output.

	# Unlink this here, so that the file is left behind in case of error.
	# We can then create the image by hand from the xmlfile, if desired.
320
	#unlink($xmlname);
321
322
323
	return true;
    }

324
325
326
327
328
329
330
331
332
333
334
335
336
337
    #
    # Equality test.
    #
    function SameImage($image) {
	return $image->imageid() == $this->imageid();
    }

    # accessors
    function field($name) {
	return (is_null($this->image) ? -1 : $this->image[$name]);
    }
    function imagename()	{ return $this->field("imagename"); }
    function pid()		{ return $this->field("pid"); }
    function gid()		{ return $this->field("gid"); }
338
339
    function pid_idx()		{ return $this->field("pid_idx"); }
    function gid_idx()		{ return $this->field("gid_idx"); }
340
    function imageid()		{ return $this->field("imageid"); }
341
    function uuid()		{ return $this->field("uuid"); }
342
343
    function creator()		{ return $this->field("creator"); }
    function creator_idx()	{ return $this->field("creator_idx"); }
344
    function creator_urn()	{ return $this->field("creator_urn"); }
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
    function created()		{ return $this->field("created"); }
    function description()	{ return $this->field("description"); }
    function loadpart()		{ return $this->field("loadpart"); }
    function loadlength()	{ return $this->field("loadlength"); }
    function part1_osid()	{ return $this->field("part1_osid"); }
    function part2_osid()	{ return $this->field("part2_osid"); }
    function part3_osid()	{ return $this->field("part3_osid"); }
    function part4_osid()	{ return $this->field("part4_osid"); }
    function default_osid()	{ return $this->field("default_osid"); }
    function path()		{ return $this->field("path"); }
    function magic()		{ return $this->field("magic"); }
    function ezid()		{ return $this->field("ezid"); }
    function shared()		{ return $this->field("shared"); }
    function isglobal()		{ return $this->field("global"); }
    function updated()		{ return $this->field("updated"); }
360
361
    function updater()		{ return $this->field("updater"); }
    function updater_urn()	{ return $this->field("updater_urn"); }
362
    function mbr_version()	{ return $this->field("mbr_version"); }
363
    function hash()		{ return $this->field("hash"); }
364
365
    function metadata_url()	{ return $this->field("metadata_url"); }
    function imagefile_url()	{ return $this->field("imagefile_url"); }
366
    function logfileid()	{ return $this->field("logfileid"); }
367
    function noexport()		{ return $this->field("noexport"); }
368
369
370
371
372
373
374
375
376
377
378
379
380
381

    # Return the DB data.
    function DBData()		{ return $this->image; }
    # and the types array
    function Types()		{ reset($this->types); return $this->types; }

    #
    # Access Check, determines if $user can access $this record.
    # 
    function AccessCheck($user, $access_type) {
	global $TB_IMAGEID_READINFO;
	global $TB_IMAGEID_MODIFYINFO;
	global $TB_IMAGEID_DESTROY;
	global $TB_IMAGEID_ACCESS;
382
	global $TB_IMAGEID_EXPORT;
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
	global $TB_IMAGEID_MIN;
	global $TB_IMAGEID_MAX;
	global $TBDB_TRUST_USER;
	global $TBDB_TRUST_GROUPROOT;
	global $TBDB_TRUST_LOCALROOT;
	$mintrust = $TB_IMAGEID_READINFO;

	if ($access_type < $TB_IMAGEID_MIN || $access_type > $TB_IMAGEID_MAX) {
	    TBERROR("Invalid access type $access_type!", 1);
	}

        #
        # Admins do whatever they want!
        # 
	if (ISADMIN()) {
	    return 1;
	}

	$shared = $this->shared();
	$global = $this->isglobal();
403
	$imageid= $this->imageid();
404
405
406
	$pid    = $this->pid();
	$gid    = $this->gid();
	$uid    = $user->uid();
407
408
409
	$uid_idx= $user->uid_idx();
	$pid_idx= $user->uid_idx();
	$gid_idx= $user->uid_idx();
410
411

        #
412
        # Global ImageIDs can be read by anyone but written with permission.
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
        # 
	if ($global) {
	    if ($access_type == $TB_IMAGEID_READINFO) {
		return 1;
	    }
	}

        #
        # Otherwise must have proper trust in the project.
        # 
	if ($access_type == $TB_IMAGEID_READINFO) {
	    $mintrust = $TBDB_TRUST_USER;
            #
            # Shared imageids are readable by anyone in the project.
            #
	    if ($shared)
		$gid = $pid;
	}
	else {
	    $mintrust = $TBDB_TRUST_LOCALROOT;
	}

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
	if (TBMinTrust(TBGrpTrust($uid, $pid, $gid), $mintrust) ||
	    TBMinTrust(TBGrpTrust($uid, $pid, $pid), $TBDB_TRUST_GROUPROOT)) {
	    return 1;
	}
        # No point in looking further; never allowed.
	if ($access_type == $TB_IMAGEID_EXPORT) {
	    return 0;
	}
	
	#
	# Look in the image permissions. First look for a user permission,
	# then look for a group permission.
	#
	$query_result = 
	    DBQueryFatal("select allow_write from image_permissions ".
			 "where imageid='$imageid' and ".
			 "      permission_type='user' and ".
			 "      permission_idx='$uid_idx'");
	
	if (mysql_num_rows($query_result)) {
	    $row  = mysql_fetch_array($query_result);

            # Only allowed to read.
	    if ($access_type == $TB_IMAGEID_READINFO ||
		$access_type == $TB_IMAGEID_ACCESS)
		return 1;
	}
	$trust_none = TBDB_TRUSTSTRING_NONE;
	$query_result = 
	    DBQueryFatal("select allow_write from group_membership as g ".
			 "left join image_permissions as p on ".
			 "     p.permission_type='group' and ".
			 "     p.permission_idx=g.gid_idx ".
			 "where g.uid_idx='$uid_idx' and ".
			 "      p.imageid='$imageid' and ".
			 "      trust!='$trust_none'");

	if (mysql_num_rows($query_result)) {
            # Only allowed to read.
	    if ($access_type == $TB_IMAGEID_READINFO ||
		$access_type == $TB_IMAGEID_ACCESS)
		return 1;
	}
	return 0;
479
480
    }

481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
    #
    # Load the project object for an experiment.
    #
    function Project() {
	$pid_idx = $this->pid_idx();

	if ($this->project)
	    return $this->project;

	$this->project = Project::Lookup($pid_idx);
	if (! $this->project) {
	    TBERROR("Could not lookup project $pid_idx!", 1);
	}
	return $this->project;
    }
    #
    # Load the group object for an experiment.
    #
    function Group() {
	$gid_idx = $this->gid_idx();

	if ($this->group)
	    return $this->group;

	$this->group = Group::Lookup($gid_idx);
	if (! $this->group) {
	    TBERROR("Could not lookup group $gid_idx!", 1);
	}
	return $this->group;
    }

512
    function Show($showperms = 0) {
513
514
	global $TBBASE;
	
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
	$imageid	= $this->imageid();
	$imagename	= $this->imagename();
	$pid		= $this->pid();
	$gid		= $this->gid();
	$description	= $this->description();
	$loadpart	= $this->loadpart();
	$loadlength	= $this->loadlength();
	$part1_osid	= $this->part1_osid();
	$part2_osid	= $this->part2_osid();
	$part3_osid	= $this->part3_osid();
	$part4_osid	= $this->part4_osid();
	$default_osid	= $this->default_osid();
	$path		= $this->path();
	$shared		= $this->shared();
	$globalid	= $this->isglobal();
	$creator	= $this->creator();
531
	$creator_urn	= $this->creator_urn();
532
	$created	= $this->created();
533
	$updated	= $this->updated();
534
535
	$updater	= $this->updater();
	$updater_urn	= $this->updater_urn();
536
	$uuid           = $this->uuid();
537
	$mbr_version    = $this->mbr_version();
538
	$hash           = $this->hash();
539

540
541
542
543
544
545
546
547
548
549
	#
	# An imported image has a metadata_url, and at the moment I
	# do want to worry about exporting an imported image.
	#
	$imagefile_url  = $this->imagefile_url();
	$metadata_url   = $this->metadata_url();
	if (! $metadata_url) {
	    $metadata_url = "$TBBASE/image_metadata.php?uuid=$uuid";
	}

550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
	if (!$description)
	    $description = "&nbsp;";
	if (!$path)
	    $path = "&nbsp;";
	if (!$created)
	    $created = "N/A";
    
        #
        # Generate the table.
        #
	echo "<table align=center border=2 cellpadding=2 cellspacing=2>\n";

	echo "<tr>
                <td>Image Name: </td>
                <td class=\"left\">$imagename</td>
              </tr>\n";

567
568
569
570
571
572
573
	echo "<tr>
                <td>Description: </td>
                <td class=left>\n";
	echo "$description";
	echo "   </td>
 	      </tr>\n";

574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
	echo "<tr>
                <td>Project: </td>
                <td class=\"left\">
                  <a href='showproject.php3?pid=$pid'>$pid</a></td>
              </tr>\n";

	echo "<tr>
                  <td>Group: </td>
                  <td class=\"left\">
                    <a href='showgroup.php3?pid=$pid&gid=$gid'>$gid</a></td>
              </tr>\n";
    
	echo "<tr>
                <td>Created: </td>
                <td class=left>$created</td>
 	      </tr>\n";

591
592
593
594
595
596
597
598
599
600
601
602
	echo "<tr>
                <td>Creator: </td>
                <td class=left>$creator</td>
     	      </tr>\n";

	if ($creator_urn) {
	    echo "<tr>
                    <td>Creator URN: </td>
                    <td class=left>$creator_urn</td>
         	  </tr>\n";
	}
	    
603
604
605
606
607
	if ($updated) {
	    echo "<tr>
                    <td>Updated: </td>
                    <td class=left>$updated</td>
     	          </tr>\n";
608
609
610
611
612
613
614
615
616
617
	    echo "<tr>
                    <td>Updated By: </td>
                    <td class=left>$updater</td>
     	          </tr>\n";
	    if ($updater_urn) {
		echo "<tr>
                        <td>Updater URN: </td>
                        <td class=left>$updater_urn</td>
         	          </tr>\n";
	    }
618
619
	}

620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
	#
	# Find the last time this image was used. 
	#
	$usage_result =
	    DBQueryFatal("select FROM_UNIXTIME(stamp) as lastused ".
			 "  from image_history ".
			 "where action='os_setup' and imageid='$imageid' ".
			 "order by stamp desc limit 1");
	if (mysql_num_rows($usage_result)) {
	    $urow = mysql_fetch_array($usage_result);
	    $lastused = $urow['lastused'];

	    echo "<tr>
                    <td>Last Used: </td>
                    <td class=\"left\">$lastused</td>
                  </tr>\n";
	}
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724

	echo "<tr>
                <td>Load Partition: </td>
                <td class=\"left\">$loadpart</td>
              </tr>\n";

	echo "<tr>
                <td>Load Length: </td>
                <td class=\"left\">$loadlength</td>
              </tr>\n";

	if ($part1_osid) {
	    echo "<tr>
                     <td>Partition 1 OS: </td>
                     <td class=\"left\">";
	    SpitOSIDLink($part1_osid);
	    echo "   </td>
                  </tr>\n";
	}

	if ($part2_osid) {
	    echo "<tr>
                     <td>Partition 2 OS: </td>
                     <td class=\"left\">";
	    SpitOSIDLink($part2_osid);
	    echo "   </td>
                  </tr>\n";
	}

	if ($part3_osid) {
	    echo "<tr>
                     <td>Partition 3 OS: </td>
                     <td class=\"left\">";
	    SpitOSIDLink($part3_osid);
	    echo "   </td>
                  </tr>\n";
	}

	if ($part4_osid) {
	    echo "<tr>
                     <td>Partition 4 OS: </td>
                     <td class=\"left\">";
	    SpitOSIDLink($part4_osid);
	    echo "   </td>
                  </tr>\n";
	}

	if ($default_osid) {
	    echo "<tr>
                     <td>Boot OS: </td>
                     <td class=\"left\">";
	    SpitOSIDLink($default_osid);
	    echo "   </td>
                  </tr>\n";
	}

	echo "<tr>
                <td>Filename: </td>
                <td class=left>\n";
	echo "$path";
	echo "  </td>
              </tr>\n";

	echo "<tr>
                  <td>Types: </td>
                  <td class=left>\n";
	echo "&nbsp;";
	foreach ($this->Types() as $type) {
	    echo "$type &nbsp; ";
	}
	echo "  </td>
              </tr>\n";

	echo "<tr>
                <td>Shared?: </td>
                <td class=left>\n";
	if ($shared)
	    echo "Yes";
	else
	    echo "No";
    
	echo "  </td>
              </tr>\n";

	echo "<tr>
                <td>Global?: </td>
                <td class=left>\n";

725
726
727
728
	$globalflip = ($globalid ? 0 : 1);
	$globalval  = ($globalid ? "Yes" : "No");
	echo "$globalval (<a href=toggle.php?imageid=$imageid".
	    "&type=imageglobal&value=$globalflip>Toggle</a>)";
729
730
731
732
733
734
735
736
	echo "  </td>
              </tr>\n";

	echo "<tr>
                <td>Internal ID: </td>
                <td class=left>$imageid</td>
              </tr>\n";

737
738
739
740
741
	echo "<tr>
                <td>MBR Version: </td>
                <td class=left>$mbr_version</td>
              </tr>\n";

742
743
744
745
746
747
748
749
	# Until I change the schema.
	if ($mbr_version == 99) {
	    echo "<tr>
                    <td>XEN Package: </td>
                    <td class=left>Yes</td>
                  </tr>\n";
	}

750
751
752
753
754
755
756
	if ($hash) {
	    echo "<tr>
                    <td>SHA1 Hash: </td>
                    <td class=left>$hash</td>
                  </tr>\n";
	}

757
758
759
760
761
	echo "<tr>
                <td>UUID: </td>
                <td class=left>$uuid</td>
              </tr>\n";

762
763
764
765
766
767
768
769
770
771
772
773
	echo "<tr>
                <td>Metadata URL: </td>
                <td class=left><a href='$metadata_url'>https:// ...</a></td>
              </tr>\n";

	if ($imagefile_url) {
	    echo "<tr>
                   <td>Image File URL: </td>
                   <td class=left><a href='$imagefile_url'>https:// ...</a></td>
                  </tr>\n";
	}

774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
	#
	# Show who all can access this image outside the project.
	#
	if ($showperms) {
	    $query_result =
		DBQueryFatal("select * from image_permissions ".
			     "where imageid='$imageid' ".
			     "order by permission_type,permission_id");
	    if (mysql_num_rows($query_result)) {
		echo "<tr>
                      <td align=center colspan=2>
                      External permissions
                      </td>
                  </tr>\n";

		while ($row = mysql_fetch_array($query_result)) {
		    $perm_type = $row['permission_type'];
		    $perm_idx  = $row['permission_idx'];
		    $writable  = $row['allow_write'];

		    if ($writable) {
			$writable = "(read/write)";
		    }
		    else {
			$writable = "(read only)";
		    }

		    if ($perm_type == "user") {
			$user = User::Lookup($perm_idx);
			if (isset($user)) {
			    $uid = $user->uid();
			    echo "<tr>
                                    <td>User: </td>
                                    <td class=left>$uid $writable</td>
                                  </tr>\n";
			}
		    }
		    elseif ($perm_type == "group") {
			$group = Group::Lookup($perm_idx);
			if (isset($group)) {
			    $pid = $group->pid();
			    $gid = $group->gid();
			    echo "<tr>
                                    <td>Group: </td>
                                    <td class=left>$pid/$gid $writable</td>
                                  </tr>\n";
			}
		    }
		}
	    }
	}

826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
	echo "</table>\n";
    }

    #
    # See if an image is inuse.
    #
    function InUse() {
	$imageid = $this->imageid();

	$query_result1 =
	    DBQueryFatal("select * from current_reloads ".
			 "where image_id='$imageid'");
	$query_result2 =
	    DBQueryFatal("select * from scheduled_reloads ".
			 "where image_id='$imageid'");
	$query_result3 =
	    DBQueryFatal("select * from node_type_attributes ".
			 "where attrkey='default_imageid' and ".
			 "      attrvalue='$imageid' limit 1");

	if (mysql_num_rows($query_result1) ||
	    mysql_num_rows($query_result2) ||
	    mysql_num_rows($query_result3)) {
	    return 1;
	}
	return 0;
    }
853
854
855
856
857
858
859
860

    function GetLogfile() {
	$this->Refresh();
	
	if ($this->logfileid()) 
	    return Logfile::Lookup($this->logfileid());
	return null;
    }
861
}