imageid_defs.php 22.4 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"); }
367 368 369 370 371 372 373 374 375 376 377 378 379 380

    # 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;
381
	global $TB_IMAGEID_EXPORT;
382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401
	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();
402
	$imageid= $this->imageid();
403 404 405
	$pid    = $this->pid();
	$gid    = $this->gid();
	$uid    = $user->uid();
406 407 408
	$uid_idx= $user->uid_idx();
	$pid_idx= $user->uid_idx();
	$gid_idx= $user->uid_idx();
409 410

        #
411
        # Global ImageIDs can be read by anyone but written with permission.
412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433
        # 
	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;
	}

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
	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;
478 479
    }

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
    #
    # 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;
    }

511
    function Show($showperms = 0) {
512 513
	global $TBBASE;
	
514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529
	$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();
530
	$creator_urn	= $this->creator_urn();
531
	$created	= $this->created();
532
	$updated	= $this->updated();
533 534
	$updater	= $this->updater();
	$updater_urn	= $this->updater_urn();
535
	$uuid           = $this->uuid();
536
	$mbr_version    = $this->mbr_version();
537
	$hash           = $this->hash();
538

539 540 541 542 543 544 545 546 547 548
	#
	# 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";
	}

549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565
	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";

566 567 568 569 570 571 572
	echo "<tr>
                <td>Description: </td>
                <td class=left>\n";
	echo "$description";
	echo "   </td>
 	      </tr>\n";

573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589
	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";

590 591 592 593 594 595 596 597 598 599 600 601
	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";
	}
	    
602 603 604 605 606
	if ($updated) {
	    echo "<tr>
                    <td>Updated: </td>
                    <td class=left>$updated</td>
     	          </tr>\n";
607 608 609 610 611 612 613 614 615 616
	    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";
	    }
617 618
	}

619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635
	#
	# 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";
	}
636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723

	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";

724 725 726 727
	$globalflip = ($globalid ? 0 : 1);
	$globalval  = ($globalid ? "Yes" : "No");
	echo "$globalval (<a href=toggle.php?imageid=$imageid".
	    "&type=imageglobal&value=$globalflip>Toggle</a>)";
728 729 730 731 732 733 734 735
	echo "  </td>
              </tr>\n";

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

736 737 738 739 740
	echo "<tr>
                <td>MBR Version: </td>
                <td class=left>$mbr_version</td>
              </tr>\n";

741 742 743 744 745 746 747 748
	# Until I change the schema.
	if ($mbr_version == 99) {
	    echo "<tr>
                    <td>XEN Package: </td>
                    <td class=left>Yes</td>
                  </tr>\n";
	}

749 750 751 752 753 754 755
	if ($hash) {
	    echo "<tr>
                    <td>SHA1 Hash: </td>
                    <td class=left>$hash</td>
                  </tr>\n";
	}

756 757 758 759 760
	echo "<tr>
                <td>UUID: </td>
                <td class=left>$uuid</td>
              </tr>\n";

761 762 763 764 765 766 767 768 769 770 771 772
	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";
	}

773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824
	#
	# 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";
			}
		    }
		}
	    }
	}

825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851
	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;
    }
852 853 854 855 856 857 858 859

    function GetLogfile() {
	$this->Refresh();
	
	if ($this->logfileid()) 
	    return Logfile::Lookup($this->logfileid());
	return null;
    }
860
}