r3077 - adjusted port types a bit more
[racktables] / inc / functions.php
1 <?php
2 /*
3 *
4 * This file is a library of computational functions for RackTables.
5 *
6 */
7
8 $loclist[0] = 'front';
9 $loclist[1] = 'interior';
10 $loclist[2] = 'rear';
11 $loclist['front'] = 0;
12 $loclist['interior'] = 1;
13 $loclist['rear'] = 2;
14 $template[0] = array (TRUE, TRUE, TRUE);
15 $template[1] = array (TRUE, TRUE, FALSE);
16 $template[2] = array (FALSE, TRUE, TRUE);
17 $template[3] = array (TRUE, FALSE, FALSE);
18 $template[4] = array (FALSE, TRUE, FALSE);
19 $template[5] = array (FALSE, FALSE, TRUE);
20 $templateWidth[0] = 3;
21 $templateWidth[1] = 2;
22 $templateWidth[2] = 2;
23 $templateWidth[3] = 1;
24 $templateWidth[4] = 1;
25 $templateWidth[5] = 1;
26
27 // Entity type by page number mapping is 1:1 atm, but may change later.
28 $etype_by_pageno = array
29 (
30 'ipv4net' => 'ipv4net',
31 'ipv4rspool' => 'ipv4rspool',
32 'ipv4vs' => 'ipv4vs',
33 'object' => 'object',
34 'rack' => 'rack',
35 'user' => 'user',
36 'file' => 'file',
37 );
38
39 // Rack thumbnail image width summands: "front", "interior" and "rear" elements w/o surrounding border.
40 $rtwidth = array
41 (
42 0 => 9,
43 1 => 21,
44 2 => 9
45 );
46
47 $netmaskbylen = array
48 (
49 32 => '255.255.255.255',
50 31 => '255.255.255.254',
51 30 => '255.255.255.252',
52 29 => '255.255.255.248',
53 28 => '255.255.255.240',
54 27 => '255.255.255.224',
55 26 => '255.255.255.192',
56 25 => '255.255.255.128',
57 24 => '255.255.255.0',
58 23 => '255.255.254.0',
59 22 => '255.255.252.0',
60 21 => '255.255.248.0',
61 20 => '255.255.240.0',
62 19 => '255.255.224.0',
63 18 => '255.255.192.0',
64 17 => '255.255.128.0',
65 16 => '255.255.0.0',
66 15 => '255.254.0.0',
67 14 => '255.252.0.0',
68 13 => '255.248.0.0',
69 12 => '255.240.0.0',
70 11 => '255.224.0.0',
71 10 => '255.192.0.0',
72 9 => '255.128.0.0',
73 8 => '255.0.0.0',
74 7 => '254.0.0.0',
75 6 => '252.0.0.0',
76 5 => '248.0.0.0',
77 4 => '240.0.0.0',
78 3 => '224.0.0.0',
79 2 => '192.0.0.0',
80 1 => '128.0.0.0'
81 );
82
83 $wildcardbylen = array
84 (
85 32 => '0.0.0.0',
86 31 => '0.0.0.1',
87 30 => '0.0.0.3',
88 29 => '0.0.0.7',
89 28 => '0.0.0.15',
90 27 => '0.0.0.31',
91 26 => '0.0.0.63',
92 25 => '0.0.0.127',
93 24 => '0.0.0.255',
94 23 => '0.0.1.255',
95 22 => '0.0.3.255',
96 21 => '0.0.7.255',
97 20 => '0.0.15.255',
98 19 => '0.0.31.255',
99 18 => '0.0.63.255',
100 17 => '0.0.127.255',
101 16 => '0.0.255.25',
102 15 => '0.1.255.255',
103 14 => '0.3.255.255',
104 13 => '0.7.255.255',
105 12 => '0.15.255.255',
106 11 => '0.31.255.255',
107 10 => '0.63.255.255',
108 9 => '0.127.255.255',
109 8 => '0.255.255.255',
110 7 => '1.255.255.255',
111 6 => '3.255.255.255',
112 5 => '7.255.255.255',
113 4 => '15.255.255.255',
114 3 => '31.255.255.255',
115 2 => '63.255.255.255',
116 1 => '127.255.255.255'
117 );
118
119 // This function assures that specified argument was passed
120 // and is a number greater than zero.
121 function assertUIntArg ($argname, $caller = 'N/A', $allow_zero = FALSE)
122 {
123 if (!isset ($_REQUEST[$argname]))
124 {
125 showError ("Parameter '${argname}' is missing (calling function is [${caller}]).", __FUNCTION__);
126 die();
127 }
128 if (!is_numeric ($_REQUEST[$argname]))
129 {
130 showError ("Parameter '${argname}' is not a number (calling function is [${caller}]).", __FUNCTION__);
131 die();
132 }
133 if ($_REQUEST[$argname] < 0)
134 {
135 showError ("Parameter '${argname}' is less than zero (calling function is [${caller}]).", __FUNCTION__);
136 die();
137 }
138 if (!$allow_zero and $_REQUEST[$argname] === 0)
139 {
140 showError ("Parameter '${argname}' is equal to zero (calling function is [${caller}]).", __FUNCTION__);
141 die();
142 }
143 }
144
145 // This function assures that specified argument was passed
146 // and is a non-empty string.
147 function assertStringArg ($argname, $caller = 'N/A', $ok_if_empty = FALSE)
148 {
149 if (!isset ($_REQUEST[$argname]))
150 {
151 showError ("Parameter '${argname}' is missing (calling function is [${caller}]).", __FUNCTION__);
152 die();
153 }
154 if (!is_string ($_REQUEST[$argname]))
155 {
156 showError ("Parameter '${argname}' is not a string (calling function is [${caller}]).", __FUNCTION__);
157 die();
158 }
159 if (!$ok_if_empty and !strlen ($_REQUEST[$argname]))
160 {
161 showError ("Parameter '${argname}' is an empty string (calling function is [${caller}]).", __FUNCTION__);
162 die();
163 }
164 }
165
166 function assertBoolArg ($argname, $caller = 'N/A', $ok_if_empty = FALSE)
167 {
168 if (!isset ($_REQUEST[$argname]))
169 {
170 showError ("Parameter '${argname}' is missing (calling function is [${caller}]).", __FUNCTION__);
171 die();
172 }
173 if (!is_string ($_REQUEST[$argname]) or $_REQUEST[$argname] != 'on')
174 {
175 showError ("Parameter '${argname}' is not a string (calling function is [${caller}]).", __FUNCTION__);
176 die();
177 }
178 if (!$ok_if_empty and !strlen ($_REQUEST[$argname]))
179 {
180 showError ("Parameter '${argname}' is an empty string (calling function is [${caller}]).", __FUNCTION__);
181 die();
182 }
183 }
184
185 function assertIPv4Arg ($argname, $caller = 'N/A', $ok_if_empty = FALSE)
186 {
187 assertStringArg ($argname, $caller, $ok_if_empty);
188 if (strlen ($_REQUEST[$argname]) and long2ip (ip2long ($_REQUEST[$argname])) !== $_REQUEST[$argname])
189 {
190 showError ("IPv4 address validation failed for value '" . $_REQUEST[$argname] . "' (calling function is [${caller}]).", __FUNCTION__);
191 die();
192 }
193 }
194
195 // Objects of some types should be explicitly shown as
196 // anonymous (labelless). This function is a single place where the
197 // decision about displayed name is made.
198 function setDisplayedName (&$cell)
199 {
200 if ($cell['name'] != '')
201 $cell['dname'] = $cell['name'];
202 else
203 {
204 $cell['atags'][] = array ('tag' => '$nameless');
205 if (considerConfiguredConstraint ($cell, 'NAMEWARN_LISTSRC'))
206 $cell['dname'] = 'ANONYMOUS ' . decodeObjectType ($cell['objtype_id'], 'o');
207 else
208 $cell['dname'] = '[' . decodeObjectType ($cell['objtype_id'], 'o') . ']';
209 }
210 }
211
212 // This function finds height of solid rectangle of atoms, which are all
213 // assigned to the same object. Rectangle base is defined by specified
214 // template.
215 function rectHeight ($rackData, $startRow, $template_idx)
216 {
217 $height = 0;
218 // The first met object_id is used to match all the folowing IDs.
219 $object_id = 0;
220 global $template;
221 do
222 {
223 for ($locidx = 0; $locidx < 3; $locidx++)
224 {
225 // At least one value in template is TRUE, but the following block
226 // can meet 'skipped' atoms. Let's ensure we have something after processing
227 // the first row.
228 if ($template[$template_idx][$locidx])
229 {
230 if (isset ($rackData[$startRow - $height][$locidx]['skipped']))
231 break 2;
232 if (isset ($rackData[$startRow - $height][$locidx]['rowspan']))
233 break 2;
234 if (isset ($rackData[$startRow - $height][$locidx]['colspan']))
235 break 2;
236 if ($rackData[$startRow - $height][$locidx]['state'] != 'T')
237 break 2;
238 if ($object_id == 0)
239 $object_id = $rackData[$startRow - $height][$locidx]['object_id'];
240 if ($object_id != $rackData[$startRow - $height][$locidx]['object_id'])
241 break 2;
242 }
243 }
244 // If the first row can't offer anything, bail out.
245 if ($height == 0 and $object_id == 0)
246 break;
247 $height++;
248 }
249 while ($startRow - $height > 0);
250 # echo "for startRow==${startRow} and template==(" . ($template[$template_idx][0] ? 'T' : 'F');
251 # echo ', ' . ($template[$template_idx][1] ? 'T' : 'F') . ', ' . ($template[$template_idx][2] ? 'T' : 'F');
252 # echo ") height==${height}<br>\n";
253 return $height;
254 }
255
256 // This function marks atoms to be avoided by rectHeight() and assigns rowspan/colspan
257 // attributes.
258 function markSpan (&$rackData, $startRow, $maxheight, $template_idx)
259 {
260 global $template, $templateWidth;
261 $colspan = 0;
262 for ($height = 0; $height < $maxheight; $height++)
263 {
264 for ($locidx = 0; $locidx < 3; $locidx++)
265 {
266 if ($template[$template_idx][$locidx])
267 {
268 // Add colspan/rowspan to the first row met and mark the following ones to skip.
269 // Explicitly show even single-cell spanned atoms, because rectHeight()
270 // is expeciting this data for correct calculation.
271 if ($colspan != 0)
272 $rackData[$startRow - $height][$locidx]['skipped'] = TRUE;
273 else
274 {
275 $colspan = $templateWidth[$template_idx];
276 if ($colspan >= 1)
277 $rackData[$startRow - $height][$locidx]['colspan'] = $colspan;
278 if ($maxheight >= 1)
279 $rackData[$startRow - $height][$locidx]['rowspan'] = $maxheight;
280 }
281 }
282 }
283 }
284 return;
285 }
286
287 // This function sets rowspan/solspan/skipped atom attributes for renderRack()
288 // What we actually have to do is to find _all_ possible rectangles for each unit
289 // and then select the widest of those with the maximal square.
290 function markAllSpans (&$rackData = NULL)
291 {
292 if ($rackData == NULL)
293 {
294 showError ('Invalid rackData', __FUNCTION__);
295 return;
296 }
297 for ($i = $rackData['height']; $i > 0; $i--)
298 while (markBestSpan ($rackData, $i));
299 }
300
301 // Calculate height of 6 possible span templates (array is presorted by width
302 // descending) and mark the best (if any).
303 function markBestSpan (&$rackData, $i)
304 {
305 global $template, $templateWidth;
306 for ($j = 0; $j < 6; $j++)
307 {
308 $height[$j] = rectHeight ($rackData, $i, $j);
309 $square[$j] = $height[$j] * $templateWidth[$j];
310 }
311 // find the widest rectangle of those with maximal height
312 $maxsquare = max ($square);
313 if (!$maxsquare)
314 return FALSE;
315 $best_template_index = 0;
316 for ($j = 0; $j < 6; $j++)
317 if ($square[$j] == $maxsquare)
318 {
319 $best_template_index = $j;
320 $bestheight = $height[$j];
321 break;
322 }
323 // distribute span marks
324 markSpan ($rackData, $i, $bestheight, $best_template_index);
325 return TRUE;
326 }
327
328 // We can mount 'F' atoms and unmount our own 'T' atoms.
329 function applyObjectMountMask (&$rackData, $object_id)
330 {
331 for ($unit_no = $rackData['height']; $unit_no > 0; $unit_no--)
332 for ($locidx = 0; $locidx < 3; $locidx++)
333 switch ($rackData[$unit_no][$locidx]['state'])
334 {
335 case 'F':
336 $rackData[$unit_no][$locidx]['enabled'] = TRUE;
337 break;
338 case 'T':
339 $rackData[$unit_no][$locidx]['enabled'] = ($rackData[$unit_no][$locidx]['object_id'] == $object_id);
340 break;
341 default:
342 $rackData[$unit_no][$locidx]['enabled'] = FALSE;
343 }
344 }
345
346 // Design change means transition between 'F' and 'A' and back.
347 function applyRackDesignMask (&$rackData)
348 {
349 for ($unit_no = $rackData['height']; $unit_no > 0; $unit_no--)
350 for ($locidx = 0; $locidx < 3; $locidx++)
351 switch ($rackData[$unit_no][$locidx]['state'])
352 {
353 case 'F':
354 case 'A':
355 $rackData[$unit_no][$locidx]['enabled'] = TRUE;
356 break;
357 default:
358 $rackData[$unit_no][$locidx]['enabled'] = FALSE;
359 }
360 }
361
362 // The same for 'F' and 'U'.
363 function applyRackProblemMask (&$rackData)
364 {
365 for ($unit_no = $rackData['height']; $unit_no > 0; $unit_no--)
366 for ($locidx = 0; $locidx < 3; $locidx++)
367 switch ($rackData[$unit_no][$locidx]['state'])
368 {
369 case 'F':
370 case 'U':
371 $rackData[$unit_no][$locidx]['enabled'] = TRUE;
372 break;
373 default:
374 $rackData[$unit_no][$locidx]['enabled'] = FALSE;
375 }
376 }
377
378 // This function highlights specified object (and removes previous highlight).
379 function highlightObject (&$rackData, $object_id)
380 {
381 for ($unit_no = $rackData['height']; $unit_no > 0; $unit_no--)
382 for ($locidx = 0; $locidx < 3; $locidx++)
383 if
384 (
385 $rackData[$unit_no][$locidx]['state'] == 'T' and
386 $rackData[$unit_no][$locidx]['object_id'] == $object_id
387 )
388 $rackData[$unit_no][$locidx]['hl'] = 'h';
389 else
390 unset ($rackData[$unit_no][$locidx]['hl']);
391 }
392
393 // This function marks atoms to selected or not depending on their current state.
394 function markupAtomGrid (&$data, $checked_state)
395 {
396 for ($unit_no = $data['height']; $unit_no > 0; $unit_no--)
397 for ($locidx = 0; $locidx < 3; $locidx++)
398 {
399 if (!($data[$unit_no][$locidx]['enabled'] === TRUE))
400 continue;
401 if ($data[$unit_no][$locidx]['state'] == $checked_state)
402 $data[$unit_no][$locidx]['checked'] = ' checked';
403 else
404 $data[$unit_no][$locidx]['checked'] = '';
405 }
406 }
407
408 // This function is almost a clone of processGridForm(), but doesn't save anything to database
409 // Return value is the changed rack data.
410 // Here we assume that correct filter has already been applied, so we just
411 // set or unset checkbox inputs w/o changing atom state.
412 function mergeGridFormToRack (&$rackData)
413 {
414 $rack_id = $rackData['id'];
415 for ($unit_no = $rackData['height']; $unit_no > 0; $unit_no--)
416 for ($locidx = 0; $locidx < 3; $locidx++)
417 {
418 if ($rackData[$unit_no][$locidx]['enabled'] != TRUE)
419 continue;
420 $inputname = "atom_${rack_id}_${unit_no}_${locidx}";
421 if (isset ($_REQUEST[$inputname]) and $_REQUEST[$inputname] == 'on')
422 $rackData[$unit_no][$locidx]['checked'] = ' checked';
423 else
424 $rackData[$unit_no][$locidx]['checked'] = '';
425 }
426 }
427
428 // netmask conversion from length to number
429 function binMaskFromDec ($maskL)
430 {
431 $map_straight = array (
432 0 => 0x00000000,
433 1 => 0x80000000,
434 2 => 0xc0000000,
435 3 => 0xe0000000,
436 4 => 0xf0000000,
437 5 => 0xf8000000,
438 6 => 0xfc000000,
439 7 => 0xfe000000,
440 8 => 0xff000000,
441 9 => 0xff800000,
442 10 => 0xffc00000,
443 11 => 0xffe00000,
444 12 => 0xfff00000,
445 13 => 0xfff80000,
446 14 => 0xfffc0000,
447 15 => 0xfffe0000,
448 16 => 0xffff0000,
449 17 => 0xffff8000,
450 18 => 0xffffc000,
451 19 => 0xffffe000,
452 20 => 0xfffff000,
453 21 => 0xfffff800,
454 22 => 0xfffffc00,
455 23 => 0xfffffe00,
456 24 => 0xffffff00,
457 25 => 0xffffff80,
458 26 => 0xffffffc0,
459 27 => 0xffffffe0,
460 28 => 0xfffffff0,
461 29 => 0xfffffff8,
462 30 => 0xfffffffc,
463 31 => 0xfffffffe,
464 32 => 0xffffffff,
465 );
466 return $map_straight[$maskL];
467 }
468
469 // complementary value
470 function binInvMaskFromDec ($maskL)
471 {
472 $map_compl = array (
473 0 => 0xffffffff,
474 1 => 0x7fffffff,
475 2 => 0x3fffffff,
476 3 => 0x1fffffff,
477 4 => 0x0fffffff,
478 5 => 0x07ffffff,
479 6 => 0x03ffffff,
480 7 => 0x01ffffff,
481 8 => 0x00ffffff,
482 9 => 0x007fffff,
483 10 => 0x003fffff,
484 11 => 0x001fffff,
485 12 => 0x000fffff,
486 13 => 0x0007ffff,
487 14 => 0x0003ffff,
488 15 => 0x0001ffff,
489 16 => 0x0000ffff,
490 17 => 0x00007fff,
491 18 => 0x00003fff,
492 19 => 0x00001fff,
493 20 => 0x00000fff,
494 21 => 0x000007ff,
495 22 => 0x000003ff,
496 23 => 0x000001ff,
497 24 => 0x000000ff,
498 25 => 0x0000007f,
499 26 => 0x0000003f,
500 27 => 0x0000001f,
501 28 => 0x0000000f,
502 29 => 0x00000007,
503 30 => 0x00000003,
504 31 => 0x00000001,
505 32 => 0x00000000,
506 );
507 return $map_compl[$maskL];
508 }
509
510 // This function looks up 'has_problems' flag for 'T' atoms
511 // and modifies 'hl' key. May be, this should be better done
512 // in amplifyCell(). We don't honour 'skipped' key, because
513 // the function is also used for thumb creation.
514 function markupObjectProblems (&$rackData)
515 {
516 for ($i = $rackData['height']; $i > 0; $i--)
517 for ($locidx = 0; $locidx < 3; $locidx++)
518 if ($rackData[$i][$locidx]['state'] == 'T')
519 {
520 $object = spotEntity ('object', $rackData[$i][$locidx]['object_id']);
521 if ($object['has_problems'] == 'yes')
522 {
523 // Object can be already highlighted.
524 if (isset ($rackData[$i][$locidx]['hl']))
525 $rackData[$i][$locidx]['hl'] = $rackData[$i][$locidx]['hl'] . 'w';
526 else
527 $rackData[$i][$locidx]['hl'] = 'w';
528 }
529 }
530 }
531
532 // Return a uniformly (010203040506 or 0102030405060708) formatted address, if it is present
533 // in the provided string, an empty string for an empty string or NULL for error.
534 function l2addressForDatabase ($string)
535 {
536 $string = strtoupper ($string);
537 switch (TRUE)
538 {
539 case ($string == '' or preg_match (RE_L2_SOLID, $string) or preg_match (RE_L2_WWN_SOLID, $string)):
540 return $string;
541 case (preg_match (RE_L2_IFCFG, $string) or preg_match (RE_L2_WWN_COLON, $string)):
542 // reformat output of SunOS ifconfig
543 $ret = '';
544 foreach (explode (':', $string) as $byte)
545 $ret .= (strlen ($byte) == 1 ? '0' : '') . $byte;
546 return $ret;
547 case (preg_match (RE_L2_CISCO, $string)):
548 return str_replace ('.', '', $string);
549 case (preg_match (RE_L2_IPCFG, $string) or preg_match (RE_L2_WWN_HYPHEN, $string)):
550 return str_replace ('-', '', $string);
551 default:
552 return NULL;
553 }
554 }
555
556 function l2addressFromDatabase ($string)
557 {
558 switch (strlen ($string))
559 {
560 case 12: // Ethernet
561 case 16: // FireWire/Fibre Channel
562 $ret = implode (':', str_split ($string, 2));
563 break;
564 default:
565 $ret = $string;
566 break;
567 }
568 return $ret;
569 }
570
571 // The following 2 functions return previous and next rack IDs for
572 // a given rack ID. The order of racks is the same as in renderRackspace()
573 // or renderRow().
574 function getPrevIDforRack ($row_id = 0, $rack_id = 0)
575 {
576 if ($row_id <= 0 or $rack_id <= 0)
577 {
578 showError ('Invalid arguments passed', __FUNCTION__);
579 return NULL;
580 }
581 $rackList = listCells ('rack', $row_id);
582 doubleLink ($rackList);
583 if (isset ($rackList[$rack_id]['prev_key']))
584 return $rackList[$rack_id]['prev_key'];
585 return NULL;
586 }
587
588 function getNextIDforRack ($row_id = 0, $rack_id = 0)
589 {
590 if ($row_id <= 0 or $rack_id <= 0)
591 {
592 showError ('Invalid arguments passed', __FUNCTION__);
593 return NULL;
594 }
595 $rackList = listCells ('rack', $row_id);
596 doubleLink ($rackList);
597 if (isset ($rackList[$rack_id]['next_key']))
598 return $rackList[$rack_id]['next_key'];
599 return NULL;
600 }
601
602 // This function finds previous and next array keys for each array key and
603 // modifies its argument accordingly.
604 function doubleLink (&$array)
605 {
606 $prev_key = NULL;
607 foreach (array_keys ($array) as $key)
608 {
609 if ($prev_key)
610 {
611 $array[$key]['prev_key'] = $prev_key;
612 $array[$prev_key]['next_key'] = $key;
613 }
614 $prev_key = $key;
615 }
616 }
617
618 function sortTokenize ($a, $b)
619 {
620 $aold='';
621 while ($a != $aold)
622 {
623 $aold=$a;
624 $a = ereg_replace('[^a-zA-Z0-9]',' ',$a);
625 $a = ereg_replace('([0-9])([a-zA-Z])','\\1 \\2',$a);
626 $a = ereg_replace('([a-zA-Z])([0-9])','\\1 \\2',$a);
627 }
628
629 $bold='';
630 while ($b != $bold)
631 {
632 $bold=$b;
633 $b = ereg_replace('[^a-zA-Z0-9]',' ',$b);
634 $b = ereg_replace('([0-9])([a-zA-Z])','\\1 \\2',$b);
635 $b = ereg_replace('([a-zA-Z])([0-9])','\\1 \\2',$b);
636 }
637
638
639
640 $ar = explode(' ', $a);
641 $br = explode(' ', $b);
642 for ($i=0; $i<count($ar) && $i<count($br); $i++)
643 {
644 $ret = 0;
645 if (is_numeric($ar[$i]) and is_numeric($br[$i]))
646 $ret = ($ar[$i]==$br[$i])?0:($ar[$i]<$br[$i]?-1:1);
647 else
648 $ret = strcasecmp($ar[$i], $br[$i]);
649 if ($ret != 0)
650 return $ret;
651 }
652 if ($i<count($ar))
653 return 1;
654 if ($i<count($br))
655 return -1;
656 return 0;
657 }
658
659 function sortByName ($a, $b)
660 {
661 return sortTokenize($a['name'], $b['name']);
662 }
663
664 function sortEmptyPorts ($a, $b)
665 {
666 $objname_cmp = sortTokenize($a['Object_name'], $b['Object_name']);
667 if ($objname_cmp == 0)
668 {
669 return sortTokenize($a['Port_name'], $b['Port_name']);
670 }
671 return $objname_cmp;
672 }
673
674 function sortObjectAddressesAndNames ($a, $b)
675 {
676 $objname_cmp = sortTokenize($a['object_name'], $b['object_name']);
677 if ($objname_cmp == 0)
678 {
679 $name_a = (isset ($a['port_name'])) ? $a['port_name'] : '';
680 $name_b = (isset ($b['port_name'])) ? $b['port_name'] : '';
681 $objname_cmp = sortTokenize($name_a, $name_b);
682 if ($objname_cmp == 0)
683 sortTokenize($a['ip'], $b['ip']);
684 return $objname_cmp;
685 }
686 return $objname_cmp;
687 }
688
689 // This function expands port compat list into a matrix.
690 function buildPortCompatMatrixFromList ($portTypeList, $portCompatList)
691 {
692 $matrix = array();
693 // Create type matrix and markup compatible types.
694 foreach (array_keys ($portTypeList) as $type1)
695 foreach (array_keys ($portTypeList) as $type2)
696 $matrix[$type1][$type2] = FALSE;
697 foreach ($portCompatList as $pair)
698 $matrix[$pair['type1']][$pair['type2']] = TRUE;
699 return $matrix;
700 }
701
702 // This function returns an array of single element of object's FQDN attribute,
703 // if FQDN is set. The next choice is object's common name, if it looks like a
704 // hostname. Otherwise an array of all 'regular' IP addresses of the
705 // object is returned (which may appear 0 and more elements long).
706 function findAllEndpoints ($object_id, $fallback = '')
707 {
708 foreach (getAttrValues ($object_id) as $record)
709 if ($record['id'] == 3 && strlen ($record['value'])) // FQDN
710 return array ($record['value']);
711 $regular = array();
712 foreach (getObjectIPv4Allocations ($object_id) as $dottedquad => $alloc)
713 if ($alloc['type'] == 'regular')
714 $regular[] = $dottedquad;
715 if (!count ($regular) && strlen ($fallback))
716 return array ($fallback);
717 return $regular;
718 }
719
720 // Some records in the dictionary may be written as plain text or as Wiki
721 // link in the following syntax:
722 // 1. word
723 // 2. [[word URL]] // FIXME: this isn't working
724 // 3. [[word word word | URL]]
725 // This function parses the line and returns text suitable for either A
726 // (rendering <A HREF>) or O (for <OPTION>).
727 function parseWikiLink ($line, $which)
728 {
729 if (preg_match ('/^\[\[.+\]\]$/', $line) == 0)
730 {
731 // always strip the marker for A-data, but let cookOptgroup()
732 // do this later (otherwise it can't sort groups out)
733 if ($which == 'a')
734 return ereg_replace ('^.+%GSKIP%', '', ereg_replace ('^(.+)%GPASS%', '\\1 ', $line));
735 else
736 return $line;
737 }
738 $line = preg_replace ('/^\[\[(.+)\]\]$/', '$1', $line);
739 $s = explode ('|', $line);
740 $o_value = trim ($s[0]);
741 if ($which == 'o')
742 return $o_value;
743 $o_value = ereg_replace ('^.+%GSKIP%', '', ereg_replace ('^(.+)%GPASS%', '\\1 ', $o_value));
744 $a_value = trim ($s[1]);
745 return "<a href='${a_value}'>${o_value}</a>";
746 }
747
748 // FIXME: should this be saved as "P-data"?
749 function execGMarker ($line)
750 {
751 return ereg_replace ('^.+%GSKIP%', '', ereg_replace ('^(.+)%GPASS%', '\\1 ', $line));
752 }
753
754 // rackspace usage for a single rack
755 // (T + W + U) / (height * 3 - A)
756 function getRSUforRack ($data = NULL)
757 {
758 if ($data == NULL)
759 {
760 showError ('Invalid argument', __FUNCTION__);
761 return NULL;
762 }
763 $counter = array ('A' => 0, 'U' => 0, 'T' => 0, 'W' => 0, 'F' => 0);
764 for ($unit_no = $data['height']; $unit_no > 0; $unit_no--)
765 for ($locidx = 0; $locidx < 3; $locidx++)
766 $counter[$data[$unit_no][$locidx]['state']]++;
767 return ($counter['T'] + $counter['W'] + $counter['U']) / ($counter['T'] + $counter['W'] + $counter['U'] + $counter['F']);
768 }
769
770 // Same for row.
771 function getRSUforRackRow ($rowData = NULL)
772 {
773 if ($rowData === NULL)
774 {
775 showError ('Invalid argument', __FUNCTION__);
776 return NULL;
777 }
778 if (!count ($rowData))
779 return 0;
780 $counter = array ('A' => 0, 'U' => 0, 'T' => 0, 'W' => 0, 'F' => 0);
781 $total_height = 0;
782 foreach (array_keys ($rowData) as $rack_id)
783 {
784 $data = spotEntity ('rack', $rack_id);
785 amplifyCell ($data);
786 $total_height += $data['height'];
787 for ($unit_no = $data['height']; $unit_no > 0; $unit_no--)
788 for ($locidx = 0; $locidx < 3; $locidx++)
789 $counter[$data[$unit_no][$locidx]['state']]++;
790 }
791 return ($counter['T'] + $counter['W'] + $counter['U']) / ($counter['T'] + $counter['W'] + $counter['U'] + $counter['F']);
792 }
793
794 // Make sure the string is always wrapped with LF characters
795 function lf_wrap ($str)
796 {
797 $ret = trim ($str, "\r\n");
798 if (strlen ($ret))
799 $ret .= "\n";
800 return $ret;
801 }
802
803 // Adopted from Mantis BTS code.
804 function string_insert_hrefs ($s)
805 {
806 if (getConfigVar ('DETECT_URLS') != 'yes')
807 return $s;
808 # Find any URL in a string and replace it by a clickable link
809 $s = preg_replace( '/(([[:alpha:]][-+.[:alnum:]]*):\/\/(%[[:digit:]A-Fa-f]{2}|[-_.!~*\';\/?%^\\\\:@&={\|}+$#\(\),\[\][:alnum:]])+)/se',
810 "'<a href=\"'.rtrim('\\1','.').'\">\\1</a> [<a href=\"'.rtrim('\\1','.').'\" target=\"_blank\">^</a>]'",
811 $s);
812 $s = preg_replace( '/\b' . email_regex_simple() . '\b/i',
813 '<a href="mailto:\0">\0</a>',
814 $s);
815 return $s;
816 }
817
818 // Idem.
819 function email_regex_simple ()
820 {
821 return "(([a-z0-9!#*+\/=?^_{|}~-]+(?:\.[a-z0-9!#*+\/=?^_{|}~-]+)*)" . # recipient
822 "\@((?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?))"; # @domain
823 }
824
825 // Parse AUTOPORTS_CONFIG and return a list of generated pairs (port_type, port_name)
826 // for the requested object_type_id.
827 function getAutoPorts ($type_id)
828 {
829 $ret = array();
830 $typemap = explode (';', str_replace (' ', '', getConfigVar ('AUTOPORTS_CONFIG')));
831 foreach ($typemap as $equation)
832 {
833 $tmp = explode ('=', $equation);
834 if (count ($tmp) != 2)
835 continue;
836 $objtype_id = $tmp[0];
837 if ($objtype_id != $type_id)
838 continue;
839 $portlist = $tmp[1];
840 foreach (explode ('+', $portlist) as $product)
841 {
842 $tmp = explode ('*', $product);
843 if (count ($tmp) != 3)
844 continue;
845 $nports = $tmp[0];
846 $port_type = $tmp[1];
847 $format = $tmp[2];
848 for ($i = 0; $i < $nports; $i++)
849 $ret[] = array ('type' => $port_type, 'name' => @sprintf ($format, $i));
850 }
851 }
852 return $ret;
853 }
854
855 // Use pre-served trace to traverse the tree, then place given node where it belongs.
856 function pokeNode (&$tree, $trace, $key, $value, $threshold = 0)
857 {
858 // This function needs the trace to be followed FIFO-way. The fastest
859 // way to do so is to use array_push() for putting values into the
860 // list and array_shift() for getting them out. This exposed up to 11%
861 // performance gain compared to other patterns of array_push/array_unshift/
862 // array_reverse/array_pop/array_shift conjunction.
863 $myid = array_shift ($trace);
864 if (!count ($trace)) // reached the target
865 {
866 if (!$threshold or ($threshold and $tree[$myid]['kidc'] + 1 < $threshold))
867 $tree[$myid]['kids'][$key] = $value;
868 // Reset accumulated records once, when the limit is reached, not each time
869 // after that.
870 if (++$tree[$myid]['kidc'] == $threshold)
871 $tree[$myid]['kids'] = array();
872 }
873 else // not yet
874 {
875 $self = __FUNCTION__;
876 $self ($tree[$myid]['kids'], $trace, $key, $value, $threshold);
877 }
878 }
879
880 // Likewise traverse the tree with the trace and return the final node.
881 function peekNode ($tree, $trace, $target_id)
882 {
883 $self = __FUNCTION__;
884 if (NULL === ($next = array_shift ($trace))) // warm
885 {
886 foreach ($tree as $node)
887 if (array_key_exists ('id', $node) and $node['id'] == $target_id) // hot
888 return $node;
889 }
890 else // cold
891 {
892 foreach ($tree as $node)
893 if ($node['id'] == $next) // warmer
894 return $self ($node['kids'], $trace, $target_id);
895 }
896 // HCF
897 return NULL;
898 }
899
900 // Build a tree from the item list and return it. Input and output data is
901 // indexed by item id (nested items in output are recursively stored in 'kids'
902 // key, which is in turn indexed by id. Functions, which are ready to handle
903 // tree collapsion/expansion themselves, may request non-zero threshold value
904 // for smaller resulting tree.
905 function treeFromList (&$orig_nodelist, $threshold = 0, $return_main_payload = TRUE)
906 {
907 $tree = array();
908 $nodelist = $orig_nodelist;
909 // Array equivalent of traceEntity() function.
910 $trace = array();
911 // set kidc and kids only once
912 foreach (array_keys ($nodelist) as $nodeid)
913 {
914 $nodelist[$nodeid]['kidc'] = 0;
915 $nodelist[$nodeid]['kids'] = array();
916 }
917 do
918 {
919 $nextpass = FALSE;
920 foreach (array_keys ($nodelist) as $nodeid)
921 {
922 // When adding a node to the working tree, book another
923 // iteration, because the new item could make a way for
924 // others onto the tree. Also remove any item added from
925 // the input list, so iteration base shrinks.
926 // First check if we can assign directly.
927 if ($nodelist[$nodeid]['parent_id'] == NULL)
928 {
929 $tree[$nodeid] = $nodelist[$nodeid];
930 $trace[$nodeid] = array(); // Trace to root node is empty
931 unset ($nodelist[$nodeid]);
932 $nextpass = TRUE;
933 }
934 // Now look if it fits somewhere on already built tree.
935 elseif (isset ($trace[$nodelist[$nodeid]['parent_id']]))
936 {
937 // Trace to a node is a trace to its parent plus parent id.
938 $trace[$nodeid] = $trace[$nodelist[$nodeid]['parent_id']];
939 $trace[$nodeid][] = $nodelist[$nodeid]['parent_id'];
940 pokeNode ($tree, $trace[$nodeid], $nodeid, $nodelist[$nodeid], $threshold);
941 // path to any other node is made of all parent nodes plus the added node itself
942 unset ($nodelist[$nodeid]);
943 $nextpass = TRUE;
944 }
945 }
946 }
947 while ($nextpass);
948 if (!$return_main_payload)
949 return $nodelist;
950 // update each input node with its backtrace route
951 foreach ($trace as $nodeid => $route)
952 $orig_nodelist[$nodeid]['trace'] = $route;
953 return $tree;
954 }
955
956 // Build a tree from the tag list and return everything _except_ the tree.
957 // IOW, return taginfo items, which have parent_id set and pointing outside
958 // of the "normal" tree, which originates from the root.
959 function getOrphanedTags ()
960 {
961 global $taglist;
962 return treeFromList ($taglist, 0, FALSE);
963 }
964
965 function serializeTags ($chain, $baseurl = '')
966 {
967 $comma = '';
968 $ret = '';
969 foreach ($chain as $taginfo)
970 {
971 $ret .= $comma .
972 ($baseurl == '' ? '' : "<a href='${baseurl}cft[]=${taginfo['id']}'>") .
973 $taginfo['tag'] .
974 ($baseurl == '' ? '' : '</a>');
975 $comma = ', ';
976 }
977 return $ret;
978 }
979
980 // Return the list of missing implicit tags.
981 function getImplicitTags ($oldtags)
982 {
983 global $taglist;
984 $tmp = array();
985 foreach ($oldtags as $taginfo)
986 $tmp = array_merge ($tmp, $taglist[$taginfo['id']]['trace']);
987 // don't call array_unique here, it is in the function we will call now
988 return buildTagChainFromIds ($tmp);
989 }
990
991 // Minimize the chain: exclude all implicit tags and return the result.
992 // This function makes use of an external cache with a miss/hit ratio
993 // about 3/7 (ticket:255).
994 function getExplicitTagsOnly ($chain)
995 {
996 global $taglist, $tagRelCache;
997 $ret = array();
998 foreach (array_keys ($chain) as $keyA) // check each A
999 {
1000 $tagidA = $chain[$keyA]['id'];
1001 // do not include A in result, if A is seen on the trace of any B!=A
1002 foreach (array_keys ($chain) as $keyB)
1003 {
1004 $tagidB = $chain[$keyB]['id'];
1005 if ($tagidA == $tagidB)
1006 continue;
1007 if (!isset ($tagRelCache[$tagidA][$tagidB]))
1008 $tagRelCache[$tagidA][$tagidB] = in_array ($tagidA, $taglist[$tagidB]['trace']);
1009 if ($tagRelCache[$tagidA][$tagidB] === TRUE) // A is ancestor of B
1010 continue 2; // skip this A
1011 }
1012 $ret[] = $chain[$keyA];
1013 }
1014 return $ret;
1015 }
1016
1017 // Universal autotags generator, a complementing function for loadEntityTags().
1018 // Bypass key isn't strictly typed, but interpreted depending on the realm.
1019 function generateEntityAutoTags ($cell)
1020 {
1021 $ret = array();
1022 switch ($cell['realm'])
1023 {
1024 case 'rack':
1025 $ret[] = array ('tag' => '$rackid_' . $cell['id']);
1026 $ret[] = array ('tag' => '$any_rack');
1027 break;
1028 case 'object':
1029 $ret[] = array ('tag' => '$id_' . $cell['id']);
1030 $ret[] = array ('tag' => '$typeid_' . $cell['objtype_id']);
1031 $ret[] = array ('tag' => '$any_object');
1032 if (validTagName ('$cn_' . $cell['name']))
1033 $ret[] = array ('tag' => '$cn_' . $cell['name']);
1034 if (!strlen ($cell['rack_id']))
1035 $ret[] = array ('tag' => '$unmounted');
1036 if (!$cell['nports'])
1037 $ret[] = array ('tag' => '$portless');
1038 break;
1039 case 'ipv4net':
1040 $ret[] = array ('tag' => '$ip4netid_' . $cell['id']);
1041 $ret[] = array ('tag' => '$ip4net-' . str_replace ('.', '-', $cell['ip']) . '-' . $cell['mask']);
1042 for ($i = 8; $i < 32; $i++)
1043 {
1044 // these conditions hit 1 to 3 times per each i
1045 if ($cell['mask'] >= $i)
1046 $ret[] = array ('tag' => '$masklen_ge_' . $i);
1047 if ($cell['mask'] <= $i)
1048 $ret[] = array ('tag' => '$masklen_le_' . $i);
1049 if ($cell['mask'] == $i)
1050 $ret[] = array ('tag' => '$masklen_eq_' . $i);
1051 }
1052 $ret[] = array ('tag' => '$any_ip4net');
1053 $ret[] = array ('tag' => '$any_net');
1054 break;
1055 case 'ipv4vs':
1056 $ret[] = array ('tag' => '$ipv4vsid_' . $cell['id']);
1057 $ret[] = array ('tag' => '$any_ipv4vs');
1058 $ret[] = array ('tag' => '$any_vs');
1059 break;
1060 case 'ipv4rspool':
1061 $ret[] = array ('tag' => '$ipv4rspid_' . $cell['id']);
1062 $ret[] = array ('tag' => '$any_ipv4rsp');
1063 $ret[] = array ('tag' => '$any_rsp');
1064 break;
1065 case 'user':
1066 // {$username_XXX} autotag is generated always, but {$userid_XXX}
1067 // appears only for accounts, which exist in local database.
1068 $ret[] = array ('tag' => '$username_' . $cell['user_name']);
1069 if (isset ($cell['user_id']))
1070 $ret[] = array ('tag' => '$userid_' . $cell['user_id']);
1071 break;
1072 case 'file':
1073 $ret[] = array ('tag' => '$fileid_' . $cell['id']);
1074 $ret[] = array ('tag' => '$any_file');
1075 break;
1076 default: // HCF!
1077 break;
1078 }
1079 // {$tagless} doesn't apply to users
1080 switch ($cell['realm'])
1081 {
1082 case 'rack':
1083 case 'object':
1084 case 'ipv4net':
1085 case 'ipv4vs':
1086 case 'ipv4rspool':
1087 case 'file':
1088 if (!count ($cell['etags']))
1089 $ret[] = array ('tag' => '$untagged');
1090 break;
1091 default:
1092 break;
1093 }
1094 return $ret;
1095 }
1096
1097 // Check, if the given tag is present on the chain (will only work
1098 // for regular tags with tag ID set.
1099 function tagOnChain ($taginfo, $tagchain)
1100 {
1101 if (!isset ($taginfo['id']))
1102 return FALSE;
1103 foreach ($tagchain as $test)
1104 if ($test['id'] == $taginfo['id'])
1105 return TRUE;
1106 return FALSE;
1107 }
1108
1109 function tagNameOnChain ($tagname, $tagchain)
1110 {
1111 foreach ($tagchain as $test)
1112 if ($test['tag'] == $tagname)
1113 return TRUE;
1114 return FALSE;
1115 }
1116
1117 // Return TRUE, if two tags chains differ (order of tags doesn't matter).
1118 // Assume, that neither of the lists contains duplicates.
1119 // FIXME: a faster, than O(x^2) method is possible for this calculation.
1120 function tagChainCmp ($chain1, $chain2)
1121 {
1122 if (count ($chain1) != count ($chain2))
1123 return TRUE;
1124 foreach ($chain1 as $taginfo1)
1125 if (!tagOnChain ($taginfo1, $chain2))
1126 return TRUE;
1127 return FALSE;
1128 }
1129
1130 function redirectIfNecessary ()
1131 {
1132 global $pageno, $tabno;
1133 $pmap = array
1134 (
1135 'accounts' => 'userlist',
1136 'rspools' => 'ipv4rsplist',
1137 'rspool' => 'ipv4rsp',
1138 'vservices' => 'ipv4vslist',
1139 'vservice' => 'ipv4vs',
1140 'objects' => 'depot',
1141 'objgroup' => 'depot',
1142 );
1143 $tmap = array();
1144 $tmap['objects']['newmulti'] = 'addmore';
1145 $tmap['objects']['newobj'] = 'addmore';
1146 $tmap['object']['switchvlans'] = 'livevlans';
1147 $tmap['object']['slb'] = 'editrspvs';
1148 $tmap['object']['portfwrd'] = 'nat4';
1149 $tmap['object']['network'] = 'ipv4';
1150 if (isset ($pmap[$pageno]))
1151 redirectUser ($pmap[$pageno], $tabno);
1152 if (isset ($tmap[$pageno][$tabno]))
1153 redirectUser ($pageno, $tmap[$pageno][$tabno]);
1154 }
1155
1156 function fixContext ($target = NULL)
1157 {
1158 global
1159 $pageno,
1160 $auto_tags,
1161 $expl_tags,
1162 $impl_tags,
1163 $target_given_tags,
1164 $user_given_tags,
1165 $etype_by_pageno,
1166 $page;
1167
1168 if ($target !== NULL)
1169 {
1170 $target_given_tags = $target['etags'];
1171 // Don't reset autochain, because auth procedures could push stuff there in.
1172 // Another important point is to ignore 'user' realm, so we don't infuse effective
1173 // context with autotags of the displayed account.
1174 if ($target['realm'] != 'user')
1175 $auto_tags = array_merge ($auto_tags, $target['atags']);
1176 }
1177 elseif (array_key_exists ($pageno, $etype_by_pageno))
1178 {
1179 // Each page listed in the map above requires one uint argument.
1180 $target_realm = $etype_by_pageno[$pageno];
1181 assertUIntArg ($page[$pageno]['bypass'], __FUNCTION__);
1182 $target_id = $_REQUEST[$page[$pageno]['bypass']];
1183 $target = spotEntity ($target_realm, $target_id);
1184 $target_given_tags = $target['etags'];
1185 if ($target['realm'] != 'user')
1186 $auto_tags = array_merge ($auto_tags, $target['atags']);
1187 }
1188 // Explicit and implicit chains should be normally empty at this point, so
1189 // overwrite the contents anyway.
1190 $expl_tags = mergeTagChains ($user_given_tags, $target_given_tags);
1191 $impl_tags = getImplicitTags ($expl_tags);
1192 }
1193
1194 // Take a list of user-supplied tag IDs to build a list of valid taginfo
1195 // records indexed by tag IDs (tag chain).
1196 function buildTagChainFromIds ($tagidlist)
1197 {
1198 global $taglist;
1199 $ret = array();
1200 foreach (array_unique ($tagidlist) as $tag_id)
1201 if (isset ($taglist[$tag_id]))
1202 $ret[] = $taglist[$tag_id];
1203 return $ret;
1204 }
1205
1206 // Process a given tag tree and return only meaningful branches. The resulting
1207 // (sub)tree will have refcnt leaves on every last branch.
1208 function getObjectiveTagTree ($tree, $realm, $preselect)
1209 {
1210 $self = __FUNCTION__;
1211 $ret = array();
1212 foreach ($tree as $taginfo)
1213 {
1214 $subsearch = $self ($taginfo['kids'], $realm, $preselect);
1215 // If the current node addresses something, add it to the result
1216 // regardless of how many sub-nodes it features.
1217 if
1218 (
1219 isset ($taginfo['refcnt'][$realm]) or
1220 count ($subsearch) > 1 or
1221 in_array ($taginfo['id'], $preselect)
1222 )
1223 $ret[] = array
1224 (
1225 'id' => $taginfo['id'],
1226 'tag' => $taginfo['tag'],
1227 'parent_id' => $taginfo['parent_id'],
1228 'refcnt' => $taginfo['refcnt'],
1229 'kids' => $subsearch
1230 );
1231 else
1232 $ret = array_merge ($ret, $subsearch);
1233 }
1234 return $ret;
1235 }
1236
1237 // Get taginfo record by tag name, return NULL, if record doesn't exist.
1238 function getTagByName ($target_name)
1239 {
1240 global $taglist;
1241 foreach ($taglist as $taginfo)
1242 if ($taginfo['tag'] == $target_name)
1243 return $taginfo;
1244 return NULL;
1245 }
1246
1247 // Merge two chains, filtering dupes out. Return the resulting superset.
1248 function mergeTagChains ($chainA, $chainB)
1249 {
1250 // $ret = $chainA;
1251 // Reindex by tag id in any case.
1252 $ret = array();
1253 foreach ($chainA as $tag)
1254 $ret[$tag['id']] = $tag;
1255 foreach ($chainB as $tag)
1256 if (!isset ($ret[$tag['id']]))
1257 $ret[$tag['id']] = $tag;
1258 return $ret;
1259 }
1260
1261 function getCellFilter ()
1262 {
1263 global $sic;
1264 if (isset ($_REQUEST['tagfilter']) and is_array ($_REQUEST['tagfilter']))
1265 {
1266 $_REQUEST['cft'] = $_REQUEST['tagfilter'];
1267 unset ($_REQUEST['tagfilter']);
1268 }
1269 $ret = array
1270 (
1271 'tagidlist' => array(),
1272 'tnamelist' => array(),
1273 'pnamelist' => array(),
1274 'andor' => '',
1275 'text' => '',
1276 'extratext' => '',
1277 'expression' => array(),
1278 'urlextra' => '', // Just put text here and let makeHref call urlencode().
1279 );
1280 switch (TRUE)
1281 {
1282 case (!isset ($_REQUEST['andor'])):
1283 $andor2 = getConfigVar ('FILTER_DEFAULT_ANDOR');
1284 break;
1285 case ($_REQUEST['andor'] == 'and'):
1286 case ($_REQUEST['andor'] == 'or'):
1287 $ret['andor'] = $andor2 = $_REQUEST['andor'];
1288 $ret['urlextra'] .= '&andor=' . $ret['andor'];
1289 break;
1290 default:
1291 showError ('Invalid and/or switch value in submitted form', __FUNCTION__);
1292 return NULL;
1293 }
1294 $andor1 = '';
1295 // Both tags and predicates, which don't exist, should be
1296 // handled somehow. Discard them silently for now.
1297 if (isset ($_REQUEST['cft']) and is_array ($_REQUEST['cft']))
1298 {
1299 global $taglist;
1300 foreach ($_REQUEST['cft'] as $req_id)
1301 if (isset ($taglist[$req_id]))
1302 {
1303 $ret['tagidlist'][] = $req_id;
1304 $ret['tnamelist'][] = $taglist[$req_id]['tag'];
1305 $ret['text'] .= $andor1 . '{' . $taglist[$req_id]['tag'] . '}';
1306 $andor1 = ' ' . $andor2 . ' ';
1307 $ret['urlextra'] .= '&cft[]=' . $req_id;
1308 }
1309 }
1310 if (isset ($_REQUEST['cfp']) and is_array ($_REQUEST['cfp']))
1311 {
1312 global $pTable;
1313 foreach ($_REQUEST['cfp'] as $req_name)
1314 if (isset ($pTable[$req_name]))
1315 {
1316 $ret['pnamelist'][] = $req_name;
1317 $ret['text'] .= $andor1 . '[' . $req_name . ']';
1318 $andor1 = ' ' . $andor2 . ' ';
1319 $ret['urlextra'] .= '&cfp[]=' . $req_name;
1320 }
1321 }
1322 // Extra text comes from TEXTAREA and is easily screwed by standard escaping function.
1323 if (isset ($sic['cfe']))
1324 {
1325 // Only consider extra text, when it is a correct RackCode expression.
1326 $parse = spotPayload ($sic['cfe'], 'SYNT_EXPR');
1327 if ($parse['result'] == 'ACK')
1328 {
1329 $ret['extratext'] = trim ($sic['cfe']);
1330 $ret['urlextra'] .= '&cfe=' . $ret['extratext'];
1331 }
1332 }
1333 $finaltext = array();
1334 if (strlen ($ret['text']))
1335 $finaltext[] = '(' . $ret['text'] . ')';
1336 if (strlen ($ret['extratext']))
1337 $finaltext[] = '(' . $ret['extratext'] . ')';
1338 $finaltext = implode (' ' . $andor2 . ' ', $finaltext);
1339 if (strlen ($finaltext))
1340 {
1341 $parse = spotPayload ($finaltext, 'SYNT_EXPR');
1342 $ret['expression'] = $parse['result'] == 'ACK' ? $parse['load'] : NULL;
1343 // It's not quite fair enough to put the blame of the whole text onto
1344 // non-empty "extra" portion of it, but it's the only user-generated portion
1345 // of it, thus the most probable cause of parse error.
1346 if (strlen ($ret['extratext']))
1347 $ret['extraclass'] = $parse['result'] == 'ACK' ? 'validation-success' : 'validation-error';
1348 }
1349 return $ret;
1350 }
1351
1352 // Return an empty message log.
1353 function emptyLog ()
1354 {
1355 return array
1356 (
1357 'v' => 2,
1358 'm' => array()
1359 );
1360 }
1361
1362 // Return a message log consisting of only one message.
1363 function oneLiner ($code, $args = array())
1364 {
1365 $ret = emptyLog();
1366 $ret['m'][] = count ($args) ? array ('c' => $code, 'a' => $args) : array ('c' => $code);
1367 return $ret;
1368 }
1369
1370 // Merge message payload from two message logs given and return the result.
1371 function mergeLogs ($log1, $log2)
1372 {
1373 $ret = emptyLog();
1374 $ret['m'] = array_merge ($log1['m'], $log2['m']);
1375 return $ret;
1376 }
1377
1378 function validTagName ($s, $allow_autotag = FALSE)
1379 {
1380 if (1 == mb_ereg (TAGNAME_REGEXP, $s))
1381 return TRUE;
1382 if ($allow_autotag and 1 == mb_ereg (AUTOTAGNAME_REGEXP, $s))
1383 return TRUE;
1384 return FALSE;
1385 }
1386
1387 function redirectUser ($p, $t)
1388 {
1389 global $page, $root;
1390 $l = "{$root}?page=${p}&tab=${t}";
1391 if (isset ($page[$p]['bypass']) and isset ($_REQUEST[$page[$p]['bypass']]))
1392 $l .= '&' . $page[$p]['bypass'] . '=' . $_REQUEST[$page[$p]['bypass']];
1393 header ("Location: " . $l);
1394 die;
1395 }
1396
1397 function getRackCodeStats ()
1398 {
1399 global $rackCode;
1400 $defc = $grantc = $modc = 0;
1401 foreach ($rackCode as $s)
1402 switch ($s['type'])
1403 {
1404 case 'SYNT_DEFINITION':
1405 $defc++;
1406 break;
1407 case 'SYNT_GRANT':
1408 $grantc++;
1409 break;
1410 case 'SYNT_CTXMOD':
1411 $modc++;
1412 break;
1413 default:
1414 break;
1415 }
1416 $ret = array
1417 (
1418 'Definition sentences' => $defc,
1419 'Grant sentences' => $grantc,
1420 'Context mod sentences' => $modc
1421 );
1422 return $ret;
1423 }
1424
1425 function getRackImageWidth ()
1426 {
1427 global $rtwidth;
1428 return 3 + $rtwidth[0] + $rtwidth[1] + $rtwidth[2] + 3;
1429 }
1430
1431 function getRackImageHeight ($units)
1432 {
1433 return 3 + 3 + $units * 2;
1434 }
1435
1436 // Perform substitutions and return resulting string
1437 // used solely by buildLVSConfig()
1438 function apply_macros ($macros, $subject)
1439 {
1440 $ret = $subject;
1441 foreach ($macros as $search => $replace)
1442 $ret = str_replace ($search, $replace, $ret);
1443 return $ret;
1444 }
1445
1446 function buildLVSConfig ($object_id = 0)
1447 {
1448 if ($object_id <= 0)
1449 {
1450 showError ('Invalid argument', __FUNCTION__);
1451 return;
1452 }
1453 $oInfo = spotEntity ('object', $object_id);
1454 $lbconfig = getSLBConfig ($object_id);
1455 if ($lbconfig === NULL)
1456 {
1457 showError ('getSLBConfig() failed', __FUNCTION__);
1458 return;
1459 }
1460 $newconfig = "#\n#\n# This configuration has been generated automatically by RackTables\n";
1461 $newconfig .= "# for object_id == ${object_id}\n# object name: ${oInfo['name']}\n#\n#\n\n\n";
1462 foreach ($lbconfig as $vs_id => $vsinfo)
1463 {
1464 $newconfig .= "########################################################\n" .
1465 "# VS (id == ${vs_id}): " . (!strlen ($vsinfo['vs_name']) ? 'NO NAME' : $vsinfo['vs_name']) . "\n" .
1466 "# RS pool (id == ${vsinfo['pool_id']}): " . (!strlen ($vsinfo['pool_name']) ? 'ANONYMOUS' : $vsinfo['pool_name']) . "\n" .
1467 "########################################################\n";
1468 # The order of inheritance is: VS -> LB -> pool [ -> RS ]
1469 $macros = array
1470 (
1471 '%VIP%' => $vsinfo['vip'],
1472 '%VPORT%' => $vsinfo['vport'],
1473 '%PROTO%' => $vsinfo['proto'],
1474 '%VNAME%' => $vsinfo['vs_name'],
1475 '%RSPOOLNAME%' => $vsinfo['pool_name']
1476 );
1477 $newconfig .= "virtual_server ${vsinfo['vip']} ${vsinfo['vport']} {\n";
1478 $newconfig .= "\tprotocol ${vsinfo['proto']}\n";
1479 $newconfig .= apply_macros
1480 (
1481 $macros,
1482 lf_wrap ($vsinfo['vs_vsconfig']) .
1483 lf_wrap ($vsinfo['lb_vsconfig']) .
1484 lf_wrap ($vsinfo['pool_vsconfig'])
1485 );
1486 foreach ($vsinfo['rslist'] as $rs)
1487 {
1488 if (!strlen ($rs['rsport']))
1489 $rs['rsport'] = $vsinfo['vport'];
1490 $macros['%RSIP%'] = $rs['rsip'];
1491 $macros['%RSPORT%'] = $rs['rsport'];
1492 $newconfig .= "\treal_server ${rs['rsip']} ${rs['rsport']} {\n";
1493 $newconfig .= apply_macros
1494 (
1495 $macros,
1496 lf_wrap ($vsinfo['vs_rsconfig']) .
1497 lf_wrap ($vsinfo['lb_rsconfig']) .
1498 lf_wrap ($vsinfo['pool_rsconfig']) .
1499 lf_wrap ($rs['rs_rsconfig'])
1500 );
1501 $newconfig .= "\t}\n";
1502 }
1503 $newconfig .= "}\n\n\n";
1504 }
1505 // FIXME: deal somehow with Mac-styled text, the below replacement will screw it up
1506 return str_replace ("\r", '', $newconfig);
1507 }
1508
1509 // Indicate occupation state of each IP address: none, ordinary or problematic.
1510 function markupIPv4AddrList (&$addrlist)
1511 {
1512 foreach (array_keys ($addrlist) as $ip_bin)
1513 {
1514 $refc = array
1515 (
1516 'shared' => 0, // virtual
1517 'virtual' => 0, // loopback
1518 'regular' => 0, // connected host
1519 'router' => 0 // connected gateway
1520 );
1521 foreach ($addrlist[$ip_bin]['allocs'] as $a)
1522 $refc[$a['type']]++;
1523 $nvirtloopback = ($refc['shared'] + $refc['virtual'] > 0) ? 1 : 0; // modulus of virtual + shared
1524 $nreserved = ($addrlist[$ip_bin]['reserved'] == 'yes') ? 1 : 0; // only one reservation is possible ever
1525 $nrealms = $nreserved + $nvirtloopback + $refc['regular'] + $refc['router']; // latter two are connected and router allocations
1526
1527 if ($nrealms == 1)
1528 $addrlist[$ip_bin]['class'] = 'trbusy';
1529 elseif ($nrealms > 1)
1530 $addrlist[$ip_bin]['class'] = 'trerror';
1531 else
1532 $addrlist[$ip_bin]['class'] = '';
1533 }
1534 }
1535
1536 // Scan the given address list (returned by scanIPv4Space) and return a list of all routers found.
1537 function findRouters ($addrlist)
1538 {
1539 $ret = array();
1540 foreach ($addrlist as $addr)
1541 foreach ($addr['allocs'] as $alloc)
1542 if ($alloc['type'] == 'router')
1543 $ret[] = array
1544 (
1545 'id' => $alloc['object_id'],
1546 'iface' => $alloc['name'],
1547 'dname' => $alloc['object_name'],
1548 'addr' => $addr['ip']
1549 );
1550 return $ret;
1551 }
1552
1553 // Assist in tag chain sorting.
1554 function taginfoCmp ($tagA, $tagB)
1555 {
1556 return $tagA['ci'] - $tagB['ci'];
1557 }
1558
1559 // Compare networks. When sorting a tree, the records on the list will have
1560 // distinct base IP addresses.
1561 // "The comparison function must return an integer less than, equal to, or greater
1562 // than zero if the first argument is considered to be respectively less than,
1563 // equal to, or greater than the second." (c) PHP manual
1564 function IPv4NetworkCmp ($netA, $netB)
1565 {
1566 // There's a problem just substracting one u32 integer from another,
1567 // because the result may happen big enough to become a negative i32
1568 // integer itself (PHP tries to cast everything it sees to signed int)
1569 // The comparison below must treat positive and negative values of both
1570 // arguments.
1571 // Equal values give instant decision regardless of their [equal] sign.
1572 if ($netA['ip_bin'] == $netB['ip_bin'])
1573 return 0;
1574 // Same-signed values compete arithmetically within one of i32 contiguous ranges:
1575 // 0x00000001~0x7fffffff 1~2147483647
1576 // 0 doesn't have any sign, and network 0.0.0.0 isn't allowed
1577 // 0x80000000~0xffffffff -2147483648~-1
1578 $signA = $netA['ip_bin'] / abs ($netA['ip_bin']);
1579 $signB = $netB['ip_bin'] / abs ($netB['ip_bin']);
1580 if ($signA == $signB)
1581 {
1582 if ($netA['ip_bin'] > $netB['ip_bin'])
1583 return 1;
1584 else
1585 return -1;
1586 }
1587 else // With only one of two values being negative, it... wins!
1588 {
1589 if ($netA['ip_bin'] < $netB['ip_bin'])
1590 return 1;
1591 else
1592 return -1;
1593 }
1594 }
1595
1596 // Modify the given tag tree so, that each level's items are sorted alphabetically.
1597 function sortTree (&$tree, $sortfunc = '')
1598 {
1599 if (!strlen ($sortfunc))
1600 return;
1601 $self = __FUNCTION__;
1602 usort ($tree, $sortfunc);
1603 // Don't make a mistake of directly iterating over the items of current level, because this way
1604 // the sorting will be performed on a _copy_ if each item, not the item itself.
1605 foreach (array_keys ($tree) as $tagid)
1606 $self ($tree[$tagid]['kids'], $sortfunc);
1607 }
1608
1609 function iptree_fill (&$netdata)
1610 {
1611 if (!isset ($netdata['kids']) or !count ($netdata['kids']))
1612 return;
1613 // If we really have nested prefixes, they must fit into the tree.
1614 $worktree = array
1615 (
1616 'ip_bin' => $netdata['ip_bin'],
1617 'mask' => $netdata['mask']
1618 );
1619 foreach ($netdata['kids'] as $pfx)
1620 iptree_embed ($worktree, $pfx);
1621 $netdata['kids'] = iptree_construct ($worktree);
1622 $netdata['kidc'] = count ($netdata['kids']);
1623 }
1624
1625 function iptree_construct ($node)
1626 {
1627 $self = __FUNCTION__;
1628
1629 if (!isset ($node['right']))
1630 {
1631 if (!isset ($node['ip']))
1632 {
1633 $node['ip'] = long2ip ($node['ip_bin']);
1634 $node['kids'] = array();
1635 $node['kidc'] = 0;
1636 $node['name'] = '';
1637 }
1638 return array ($node);
1639 }
1640 else
1641 return array_merge ($self ($node['left']), $self ($node['right']));
1642 }
1643
1644 function iptree_embed (&$node, $pfx)
1645 {
1646 $self = __FUNCTION__;
1647
1648 // hit?
1649 if ($node['ip_bin'] == $pfx['ip_bin'] and $node['mask'] == $pfx['mask'])
1650 {
1651 $node = $pfx;
1652 return;
1653 }
1654 if ($node['mask'] == $pfx['mask'])
1655 {
1656 showError ('Internal error, the recurring loop lost control', __FUNCTION__);
1657 die;
1658 }
1659
1660 // split?
1661 if (!isset ($node['right']))
1662 {
1663 // Fill in db_first/db_last to make it possible to run scanIPv4Space() on the node.
1664 $node['left']['mask'] = $node['mask'] + 1;
1665 $node['left']['ip_bin'] = $node['ip_bin'];
1666 $node['left']['db_first'] = sprintf ('%u', $node['left']['ip_bin']);
1667 $node['left']['db_last'] = sprintf ('%u', $node['left']['ip_bin'] | binInvMaskFromDec ($node['left']['mask']));
1668
1669 $node['right']['mask'] = $node['mask'] + 1;
1670 $node['right']['ip_bin'] = $node['ip_bin'] + binInvMaskFromDec ($node['mask'] + 1) + 1;
1671 $node['right']['db_first'] = sprintf ('%u', $node['right']['ip_bin']);
1672 $node['right']['db_last'] = sprintf ('%u', $node['right']['ip_bin'] | binInvMaskFromDec ($node['right']['mask']));
1673 }
1674
1675 // repeat!
1676 if (($node['left']['ip_bin'] & binMaskFromDec ($node['left']['mask'])) == ($pfx['ip_bin'] & binMaskFromDec ($node['left']['mask'])))
1677 $self ($node['left'], $pfx);
1678 elseif (($node['right']['ip_bin'] & binMaskFromDec ($node['right']['mask'])) == ($pfx['ip_bin'] & binMaskFromDec ($node['left']['mask'])))
1679 $self ($node['right'], $pfx);
1680 else
1681 {
1682 showError ('Internal error, cannot decide between left and right', __FUNCTION__);
1683 die;
1684 }
1685 }
1686
1687 function treeApplyFunc (&$tree, $func = '', $stopfunc = '')
1688 {
1689 if (!strlen ($func))
1690 return;
1691 $self = __FUNCTION__;
1692 foreach (array_keys ($tree) as $key)
1693 {
1694 $func ($tree[$key]);
1695 if (strlen ($stopfunc) and $stopfunc ($tree[$key]))
1696 continue;
1697 $self ($tree[$key]['kids'], $func);
1698 }
1699 }
1700
1701 function loadIPv4AddrList (&$netinfo)
1702 {
1703 loadOwnIPv4Addresses ($netinfo);
1704 markupIPv4AddrList ($netinfo['addrlist']);
1705 }
1706
1707 function countOwnIPv4Addresses (&$node)
1708 {
1709 $toscan = array();
1710 $node['addrt'] = 0;
1711 $node['mask_bin'] = binMaskFromDec ($node['mask']);
1712 $node['mask_bin_inv'] = binInvMaskFromDec ($node['mask']);
1713 $node['db_first'] = sprintf ('%u', 0x00000000 + $node['ip_bin'] & $node['mask_bin']);
1714 $node['db_last'] = sprintf ('%u', 0x00000000 + $node['ip_bin'] | ($node['mask_bin_inv']));
1715 if (!count ($node['kids']))
1716 {
1717 $toscan[] = array ('i32_first' => $node['db_first'], 'i32_last' => $node['db_last']);
1718 $node['addrt'] = binInvMaskFromDec ($node['mask']) + 1;
1719 }
1720 else
1721 foreach ($node['kids'] as $nested)
1722 if (!isset ($nested['id'])) // spare
1723 {
1724 $toscan[] = array ('i32_first' => $nested['db_first'], 'i32_last' => $nested['db_last']);
1725 $node['addrt'] += binInvMaskFromDec ($nested['mask']) + 1;
1726 }
1727 // Don't do anything more, because the displaying function will load the addresses anyway.
1728 return;
1729 $node['addrc'] = count (scanIPv4Space ($toscan));
1730 }
1731
1732 function nodeIsCollapsed ($node)
1733 {
1734 return $node['symbol'] == 'node-collapsed';
1735 }
1736
1737 function loadOwnIPv4Addresses (&$node)
1738 {
1739 $toscan = array();
1740 if (!isset ($node['kids']) or !count ($node['kids']))
1741 $toscan[] = array ('i32_first' => $node['db_first'], 'i32_last' => $node['db_last']);
1742 else
1743 foreach ($node['kids'] as $nested)
1744 if (!isset ($nested['id'])) // spare
1745 $toscan[] = array ('i32_first' => $nested['db_first'], 'i32_last' => $nested['db_last']);
1746 $node['addrlist'] = scanIPv4Space ($toscan);
1747 $node['addrc'] = count ($node['addrlist']);
1748 }
1749
1750 function prepareIPv4Tree ($netlist, $expanded_id = 0)
1751 {
1752 // treeFromList() requires parent_id to be correct for an item to get onto the tree,
1753 // so perform necessary pre-processing to make orphans belong to root. This trick
1754 // was earlier performed by getIPv4NetworkList().
1755 $netids = array_keys ($netlist);
1756 foreach ($netids as $cid)
1757 if (!in_array ($netlist[$cid]['parent_id'], $netids))
1758 $netlist[$cid]['parent_id'] = NULL;
1759 $tree = treeFromList ($netlist); // medium call
1760 sortTree ($tree, 'IPv4NetworkCmp');
1761 // complement the tree before markup to make the spare networks have "symbol" set
1762 treeApplyFunc ($tree, 'iptree_fill');
1763 iptree_markup_collapsion ($tree, getConfigVar ('TREE_THRESHOLD'), $expanded_id);
1764 // count addresses after the markup to skip computation for hidden tree nodes
1765 treeApplyFunc ($tree, 'countOwnIPv4Addresses', 'nodeIsCollapsed');
1766 return $tree;
1767 }
1768
1769 // Check all items of the tree recursively, until the requested target id is
1770 // found. Mark all items leading to this item as "expanded", collapsing all
1771 // the rest, which exceed the given threshold (if the threshold is given).
1772 function iptree_markup_collapsion (&$tree, $threshold = 1024, $target = 0)
1773 {
1774 $self = __FUNCTION__;
1775 $ret = FALSE;
1776 foreach (array_keys ($tree) as $key)
1777 {
1778 $here = ($target === 'ALL' or ($target > 0 and isset ($tree[$key]['id']) and $tree[$key]['id'] == $target));
1779 $below = $self ($tree[$key]['kids'], $threshold, $target);
1780 if (!$tree[$key]['kidc']) // terminal node
1781 $tree[$key]['symbol'] = 'spacer';
1782 elseif ($tree[$key]['kidc'] < $threshold)
1783 $tree[$key]['symbol'] = 'node-expanded-static';
1784 elseif ($here or $below)
1785 $tree[$key]['symbol'] = 'node-expanded';
1786 else
1787 $tree[$key]['symbol'] = 'node-collapsed';
1788 $ret = ($ret or $here or $below); // parentheses are necessary for this to be computed correctly
1789 }
1790 return $ret;
1791 }
1792
1793 // Convert entity name to human-readable value
1794 function formatEntityName ($name) {
1795 switch ($name)
1796 {
1797 case 'ipv4net':
1798 return 'IPv4 Network';
1799 case 'ipv4rspool':
1800 return 'IPv4 RS Pool';
1801 case 'ipv4vs':
1802 return 'IPv4 Virtual Service';
1803 case 'object':
1804 return 'Object';
1805 case 'rack':
1806 return 'Rack';
1807 case 'user':
1808 return 'User';
1809 }
1810 return 'invalid';
1811 }
1812
1813 // Take a MySQL or other generic timestamp and make it prettier
1814 function formatTimestamp ($timestamp) {
1815 return date('n/j/y g:iA', strtotime($timestamp));
1816 }
1817
1818 // Display hrefs for all of a file's parents. If scissors are requested,
1819 // prepend cutting button to each of them.
1820 function serializeFileLinks ($links, $scissors = FALSE)
1821 {
1822 global $root;
1823
1824 $comma = '';
1825 $ret = '';
1826 foreach ($links as $link_id => $li)
1827 {
1828 switch ($li['entity_type'])
1829 {
1830 case 'ipv4net':
1831 $params = "page=ipv4net&id=";
1832 break;
1833 case 'ipv4rspool':
1834 $params = "page=ipv4rspool&pool_id=";
1835 break;
1836 case 'ipv4vs':
1837 $params = "page=ipv4vs&vs_id=";
1838 break;
1839 case 'object':
1840 $params = "page=object&object_id=";
1841 break;
1842 case 'rack':
1843 $params = "page=rack&rack_id=";
1844 break;
1845 case 'user':
1846 $params = "page=user&user_id=";
1847 break;
1848 }
1849 $ret .= $comma;
1850 if ($scissors)
1851 {
1852 $ret .= "<a href='" . makeHrefProcess(array('op'=>'unlinkFile', 'link_id'=>$link_id)) . "'";
1853 $ret .= getImageHREF ('cut') . '</a> ';
1854 }
1855 $ret .= sprintf("<a href='%s?%s%s'>%s</a>", $root, $params, $li['entity_id'], $li['name']);
1856 $comma = '<br>';
1857 }
1858 return $ret;
1859 }
1860
1861 // Convert filesize to appropriate unit and make it human-readable
1862 function formatFileSize ($bytes) {
1863 // bytes
1864 if($bytes < 1024) // bytes
1865 return "${bytes} bytes";
1866
1867 // kilobytes
1868 if ($bytes < 1024000)
1869 return sprintf ("%.1fk", round (($bytes / 1024), 1));
1870
1871 // megabytes
1872 return sprintf ("%.1f MB", round (($bytes / 1024000), 1));
1873 }
1874
1875 // Reverse of formatFileSize, it converts human-readable value to bytes
1876 function convertToBytes ($value) {
1877 $value = trim($value);
1878 $last = strtolower($value[strlen($value)-1]);
1879 switch ($last)
1880 {
1881 case 'g':
1882 $value *= 1024;
1883 case 'm':
1884 $value *= 1024;
1885 case 'k':
1886 $value *= 1024;
1887 }
1888
1889 return $value;
1890 }
1891
1892 function ip_quad2long ($ip)
1893 {
1894 return sprintf("%u", ip2long($ip));
1895 }
1896
1897 function ip_long2quad ($quad)
1898 {
1899 return long2ip($quad);
1900 }
1901
1902 function makeHref($params = array())
1903 {
1904 global $head_revision, $numeric_revision, $root;
1905 $ret = $root.'?';
1906 $first = true;
1907 if (!isset($params['r']) and ($numeric_revision != $head_revision))
1908 {
1909 $params['r'] = $numeric_revision;
1910 }
1911 foreach($params as $key=>$value)
1912 {
1913 if (!$first)
1914 $ret.='&';
1915 $ret .= urlencode($key).'='.urlencode($value);
1916 $first = false;
1917 }
1918 return $ret;
1919 }
1920
1921 function makeHrefProcess($params = array())
1922 {
1923 global $head_revision, $numeric_revision, $root, $pageno, $tabno;
1924 $ret = $root.'process.php'.'?';
1925 $first = true;
1926 if ($numeric_revision != $head_revision)
1927 {
1928 error_log("Can't make a process link when not in head revision");
1929 die();
1930 }
1931 if (!isset($params['page']))
1932 $params['page'] = $pageno;
1933 if (!isset($params['tab']))
1934 $params['tab'] = $tabno;
1935 foreach($params as $key=>$value)
1936 {
1937 if (!$first)
1938 $ret.='&';
1939 $ret .= urlencode($key).'='.urlencode($value);
1940 $first = false;
1941 }
1942 return $ret;
1943 }
1944
1945 function makeHrefForHelper ($helper_name, $params = array())
1946 {
1947 global $head_revision, $numeric_revision, $root;
1948 $ret = $root.'popup.php'.'?helper='.$helper_name;
1949 if ($numeric_revision != $head_revision)
1950 {
1951 error_log("Can't make a process link when not in head revision");
1952 die();
1953 }
1954 foreach($params as $key=>$value)
1955 $ret .= '&'.urlencode($key).'='.urlencode($value);
1956 return $ret;
1957 }
1958
1959 // Process the given list of records to build data suitable for printNiftySelect()
1960 // (like it was formerly executed by printSelect()). Screen out vendors according
1961 // to VENDOR_SIEVE, if object type ID is provided. However, the OPTGROUP with already
1962 // selected OPTION is protected from being screened.
1963 function cookOptgroups ($recordList, $object_type_id = 0, $existing_value = 0)
1964 {
1965 $ret = array();
1966 // Always keep "other" OPTGROUP at the SELECT bottom.
1967 $therest = array();
1968 foreach ($recordList as $dict_key => $dict_value)
1969 if (strpos ($dict_value, '%GSKIP%') !== FALSE)
1970 {
1971 $tmp = explode ('%GSKIP%', $dict_value, 2);
1972 $ret[$tmp[0]][$dict_key] = $tmp[1];
1973 }
1974 elseif (strpos ($dict_value, '%GPASS%') !== FALSE)
1975 {
1976 $tmp = explode ('%GPASS%', $dict_value, 2);
1977 $ret[$tmp[0]][$dict_key] = $tmp[1];
1978 }
1979 else
1980 $therest[$dict_key] = $dict_value;
1981 if ($object_type_id != 0)
1982 {
1983 $screenlist = array();
1984 foreach (explode (';', getConfigVar ('VENDOR_SIEVE')) as $sieve)
1985 if (FALSE !== mb_ereg ("^([^@]+)(@${object_type_id})?\$", trim ($sieve), $regs))
1986 $screenlist[] = $regs[1];
1987 foreach (array_keys ($ret) as $vendor)
1988 if (in_array ($vendor, $screenlist))
1989 {
1990 $ok_to_screen = TRUE;
1991 if ($existing_value)
1992 foreach (array_keys ($ret[$vendor]) as $recordkey)
1993 if ($recordkey == $existing_value)
1994 {
1995 $ok_to_screen = FALSE;
1996 break;
1997 }
1998 if ($ok_to_screen)
1999 unset ($ret[$vendor]);
2000 }
2001 }
2002 $ret['other'] = $therest;
2003 return $ret;
2004 }
2005
2006 function dos2unix ($text)
2007 {
2008 return str_replace ("\r\n", "\n", $text);
2009 }
2010
2011 function buildPredicateTable ($parsetree)
2012 {
2013 $ret = array();
2014 foreach ($parsetree as $sentence)
2015 if ($sentence['type'] == 'SYNT_DEFINITION')
2016 $ret[$sentence['term']] = $sentence['definition'];
2017 // Now we have predicate table filled in with the latest definitions of each
2018 // particular predicate met. This isn't as chik, as on-the-fly predicate
2019 // overloading during allow/deny scan, but quite sufficient for this task.
2020 return $ret;
2021 }
2022
2023 // Take a list of records and filter against given RackCode expression. Return
2024 // the original list intact, if there was no filter requested, but return an
2025 // empty list, if there was an error.
2026 function filterCellList ($list_in, $expression = array())
2027 {
2028 if ($expression === NULL)
2029 return array();
2030 if (!count ($expression))
2031 return $list_in;
2032 $list_out = array();
2033 foreach ($list_in as $item_key => $item_value)
2034 if (TRUE === judgeCell ($item_value, $expression))
2035 $list_out[$item_key] = $item_value;
2036 return $list_out;
2037 }
2038
2039 // Tell, if the given expression is true for the given entity. Take complete record on input.
2040 function judgeCell ($cell, $expression)
2041 {
2042 global $pTable;
2043 return eval_expression
2044 (
2045 $expression,
2046 array_merge
2047 (
2048 $cell['etags'],
2049 $cell['itags'],
2050 $cell['atags']
2051 ),
2052 $pTable,
2053 TRUE
2054 );
2055 }
2056
2057 // Tell, if a constraint from config option permits given record.
2058 function considerConfiguredConstraint ($cell, $varname)
2059 {
2060 if (!strlen (getConfigVar ($varname)))
2061 return TRUE; // no restriction
2062 global $parseCache;
2063 if (!isset ($parseCache[$varname]))
2064 // getConfigVar() doesn't re-read the value from DB because of its
2065 // own cache, so there is no race condition here between two calls.
2066 $parseCache[$varname] = spotPayload (getConfigVar ($varname), 'SYNT_EXPR');
2067 if ($parseCache[$varname]['result'] != 'ACK')
2068 return FALSE; // constraint set, but cannot be used due to compilation error
2069 return judgeCell ($cell, $parseCache[$varname]['load']);
2070 }
2071
2072 // Return list of records in the given realm, which conform to
2073 // the given RackCode expression. If the realm is unknown or text
2074 // doesn't validate as a RackCode expression, return NULL.
2075 // Otherwise (successful scan) return a list of all matched
2076 // records, even if the list is empty (array() !== NULL). If the
2077 // text is an empty string, return all found records in the given
2078 // realm.
2079 function scanRealmByText ($realm = NULL, $ftext = '')
2080 {
2081 switch ($realm)
2082 {
2083 case 'object':
2084 case 'user':
2085 case 'ipv4net':
2086 case 'file':
2087 case 'ipv4vs':
2088 case 'ipv4rspool':
2089 if (!strlen ($ftext = trim ($ftext)))
2090 $fexpr = array();
2091 else
2092 {
2093 $fparse = spotPayload ($ftext, 'SYNT_EXPR');
2094 if ($fparse['result'] != 'ACK')
2095 return NULL;
2096 $fexpr = $fparse['load'];
2097 }
2098 return filterCellList (listCells ($realm), $fexpr);
2099 default:
2100 throw new InvalidArgException ('$realm', $realm);
2101 }
2102
2103 }
2104
2105 function getIPv4VSOptions ()
2106 {
2107 $ret = array();
2108 foreach (listCells ('ipv4vs') as $vsid => $vsinfo)
2109 $ret[$vsid] = $vsinfo['dname'] . (!strlen ($vsinfo['name']) ? '' : " (${vsinfo['name']})");
2110 return $ret;
2111 }
2112
2113 function getIPv4RSPoolOptions ()
2114 {
2115 $ret = array();
2116 foreach (listCells ('ipv4rspool') as $pool_id => $poolInfo)
2117 $ret[$pool_id] = $poolInfo['name'];
2118 return $ret;
2119 }
2120
2121 // Derive a complete cell structure from the given username regardless
2122 // if it is a local account or not.
2123 function constructUserCell ($username)
2124 {
2125 if (NULL !== ($userid = getUserIDByUsername ($username)))
2126 return spotEntity ('user', $userid);
2127 $ret = array
2128 (
2129 'realm' => 'user',
2130 'user_name' => $username,
2131 'user_realname' => '',
2132 'etags' => array(),
2133 'itags' => array(),
2134 );
2135 $ret['atags'] = generateEntityAutoTags ($ret);
2136 return $ret;
2137 }
2138
2139 // Let's have this debug helper here to enable debugging of process.php w/o interface.php.
2140 function dump ($var)
2141 {
2142 echo '<div align=left><pre>';
2143 print_r ($var);
2144 echo '</pre></div>';
2145 }
2146
2147 function getTagChart ($limit = 0, $realm = 'total', $special_tags = array())
2148 {
2149 global $taglist;
2150 // first build top-N chart...
2151 $toplist = array();
2152 foreach ($taglist as $taginfo)
2153 if (isset ($taginfo['refcnt'][$realm]))
2154 $toplist[$taginfo['id']] = $taginfo['refcnt'][$realm];
2155 arsort ($toplist, SORT_NUMERIC);
2156 $ret = array();
2157 $done = 0;
2158 foreach (array_keys ($toplist) as $tag_id)
2159 {
2160 $ret[$tag_id] = $taglist[$tag_id];
2161 if (++$done == $limit)
2162 break;
2163 }
2164 // ...then make sure, that every item of the special list is shown
2165 // (using the same sort order)
2166 $extra = array();
2167 foreach ($special_tags as $taginfo)
2168 if (!array_key_exists ($taginfo['id'], $ret))
2169 $extra[$taginfo['id']] = $taglist[$taginfo['id']]['refcnt'][$realm];
2170 arsort ($extra, SORT_NUMERIC);
2171 foreach (array_keys ($extra) as $tag_id)
2172 $ret[] = $taglist[$tag_id];
2173 return $ret;
2174 }
2175
2176 function decodeObjectType ($objtype_id, $style = 'r')
2177 {
2178 static $types = array();
2179 if (!count ($types))
2180 $types = array
2181 (
2182 'r' => readChapter (CHAP_OBJTYPE),
2183 'a' => readChapter (CHAP_OBJTYPE, 'a'),
2184 'o' => readChapter (CHAP_OBJTYPE, 'o')
2185 );
2186 return $types[$style][$objtype_id];
2187 }
2188
2189 function isolatedPermission ($p, $t, $cell)
2190 {
2191 // This function is called from both "file" page and a number of other pages,
2192 // which have already fixed security context and authorized the user for it.
2193 // OTOH, it is necessary here to authorize against the current file, which
2194 // means saving the current context and building a new one.
2195 global
2196 $expl_tags,
2197 $impl_tags,
2198 $target_given_tags,
2199 $auto_tags;
2200 // push current context
2201 $orig_expl_tags = $expl_tags;
2202 $orig_impl_tags = $impl_tags;
2203 $orig_target_given_tags = $target_given_tags;
2204 $orig_auto_tags = $auto_tags;
2205 // retarget
2206 fixContext ($cell);
2207 // remember decision
2208 $ret = permitted ($p, $t);
2209 // pop context
2210 $expl_tags = $orig_expl_tags;
2211 $impl_tags = $orig_impl_tags;
2212 $target_given_tags = $orig_target_given_tags;
2213 $auto_tags = $orig_auto_tags;
2214 return $ret;
2215 }
2216
2217 function getPortListPrefs()
2218 {
2219 $ret = array();
2220 if (0 >= ($ret['iif_pick'] = getConfigVar ('DEFAULT_PORT_IIF_ID')))
2221 $ret['iif_pick'] = 1;
2222 $ret['oif_picks'] = array();
2223 foreach (explode (';', getConfigVar ('DEFAULT_PORT_OIF_IDS')) as $tmp)
2224 {
2225 $tmp = explode ('=', trim ($tmp));
2226 if (count ($tmp) == 2 and $tmp[0] > 0 and $tmp[1] > 0)
2227 $ret['oif_picks'][$tmp[0]] = $tmp[1];
2228 }
2229 // enforce default value
2230 if (!array_key_exists (1, $ret['oif_picks']))
2231 $ret['oif_picks'][1] = 24;
2232 $ret['selected'] = $ret['iif_pick'] . '-' . $ret['oif_picks'][$ret['iif_pick']];
2233 return $ret;
2234 }
2235
2236 ?>