summaryrefslogtreecommitdiffstats
path: root/src/usr/local/www/load_balancer_pool_edit.php
blob: 4d41b3b9a944f7e6c6eed5ee6516aba135c037c3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
<?php
/* $Id$ */
/*
	load_balancer_pool_edit.php
	part of pfSense (https://www.pfsense.org/)

	Copyright (C) 2013-2015 Electric Sheep Fencing, LP
	Copyright (C) 2005-2008 Bill Marquette <bill.marquette@gmail.com>.
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,
	   this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright
	   notice, this list of conditions and the following disclaimer in the
	   documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	POSSIBILITY OF SUCH DAMAGE.
*/
/*
	pfSense_MODULE: routing
*/

##|+PRIV
##|*IDENT=page-loadbalancer-pool-edit
##|*NAME=Load Balancer: Pool: Edit page
##|*DESCR=Allow access to the 'Load Balancer: Pool: Edit' page.
##|*MATCH=load_balancer_pool_edit.php*
##|-PRIV

require("guiconfig.inc");
require_once("filter.inc");
require_once("util.inc");

$referer = (isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '/load_balancer_pool.php');

if (!is_array($config['load_balancer']['lbpool'])) {
	$config['load_balancer']['lbpool'] = array();
}

$a_pool = &$config['load_balancer']['lbpool'];

if (is_numericint($_GET['id']))
	$id = $_GET['id'];
if (isset($_POST['id']) && is_numericint($_POST['id']))
	$id = $_POST['id'];

if (isset($id) && $a_pool[$id]) {
	$pconfig['name'] = $a_pool[$id]['name'];
	$pconfig['mode'] = $a_pool[$id]['mode'];
	$pconfig['descr'] = $a_pool[$id]['descr'];
	$pconfig['port'] = $a_pool[$id]['port'];
	$pconfig['retry'] = $a_pool[$id]['retry'];
	$pconfig['servers'] = &$a_pool[$id]['servers'];
	$pconfig['serversdisabled'] = &$a_pool[$id]['serversdisabled'];
	$pconfig['monitor'] = $a_pool[$id]['monitor'];
}

$changedesc = gettext("Load Balancer: Pool:") . " ";
$changecount = 0;

if ($_POST) {
	$changecount++;

	unset($input_errors);
	$pconfig = $_POST;

	/* input validation */
	$reqdfields = explode(" ", "name mode port monitor servers");
	$reqdfieldsn = array(gettext("Name"),gettext("Mode"),gettext("Port"),gettext("Monitor"),gettext("Server List"));

	do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);

	/* Ensure that our pool names are unique */
	for ($i=0; isset($config['load_balancer']['lbpool'][$i]); $i++)
		if (($_POST['name'] == $config['load_balancer']['lbpool'][$i]['name']) && ($i != $id))
			$input_errors[] = gettext("This pool name has already been used.  Pool names must be unique.");

	if (preg_match('/[ \/]/', $_POST['name']))
		$input_errors[] = gettext("You cannot use spaces or slashes in the 'name' field.");

	if (strlen($_POST['name']) > 16)
		$input_errors[] = gettext("The 'name' field must be 16 characters or less.");

	if (in_array($_POST['name'], $reserved_table_names))
		$input_errors[] = sprintf(gettext("The name '%s' is a reserved word and cannot be used."), $_POST['name']);

	if (is_alias($_POST['name']))
		$input_errors[] = sprintf(gettext("Sorry, an alias is already named %s."), $_POST['name']);

	if (!is_portoralias($_POST['port']))
		$input_errors[] = gettext("The port must be an integer between 1 and 65535, or a port alias.");

	// May as well use is_port as we want a positive integer and such.
	if (!empty($_POST['retry']) && !is_port($_POST['retry']))
		$input_errors[] = gettext("The retry value must be an integer between 1 and 65535.");

	if (is_array($_POST['servers'])) {
		foreach($pconfig['servers'] as $svrent) {
			if (!is_ipaddr($svrent) && !is_subnetv4($svrent)) {
				$input_errors[] = sprintf(gettext("%s is not a valid IP address or IPv4 subnet (in \"enabled\" list)."), $svrent);
			}
			else if (is_subnetv4($svrent) && subnet_size($svrent) > 64) {
				$input_errors[] = sprintf(gettext("%s is a subnet containing more than 64 IP addresses (in \"enabled\" list)."), $svrent);
			}
		}
	}

	if (is_array($_POST['serversdisabled'])) {
		foreach($pconfig['serversdisabled'] as $svrent) {
			if (!is_ipaddr($svrent) && !is_subnetv4($svrent)) {
				$input_errors[] = sprintf(gettext("%s is not a valid IP address or IPv4 subnet (in \"disabled\" list)."), $svrent);
			}
			else if (is_subnetv4($svrent) && subnet_size($svrent) > 64) {
				$input_errors[] = sprintf(gettext("%s is a subnet containing more than 64 IP addresses (in \"disabled\" list)."), $svrent);
			}
		}
	}

	$m = array();

	for ($i=0; isset($config['load_balancer']['monitor_type'][$i]); $i++)
		$m[$config['load_balancer']['monitor_type'][$i]['name']] = $config['load_balancer']['monitor_type'][$i];

	if (!isset($m[$_POST['monitor']]))
		$input_errors[] = gettext("Invalid monitor chosen.");

	if (!$input_errors) {
		$poolent = array();
		if(isset($id) && $a_pool[$id])
			$poolent = $a_pool[$id];

		if($poolent['name'] != "")
			$changedesc .= sprintf(gettext(" modified '%s' pool:"), $poolent['name']);

		update_if_changed("name", $poolent['name'], $_POST['name']);
		update_if_changed("mode", $poolent['mode'], $_POST['mode']);
		update_if_changed("description", $poolent['descr'], $_POST['descr']);
		update_if_changed("port", $poolent['port'], $_POST['port']);
		update_if_changed("retry", $poolent['retry'], $_POST['retry']);
		update_if_changed("servers", $poolent['servers'], $_POST['servers']);
		update_if_changed("serversdisabled", $poolent['serversdisabled'], $_POST['serversdisabled']);
		update_if_changed("monitor", $poolent['monitor'], $_POST['monitor']);

		if (isset($id) && $a_pool[$id]) {
			/* modify all virtual servers with this name */
			for ($i = 0; isset($config['load_balancer']['virtual_server'][$i]); $i++) {
				if ($config['load_balancer']['virtual_server'][$i]['lbpool'] == $a_pool[$id]['name'])
					$config['load_balancer']['virtual_server'][$i]['lbpool'] = $poolent['name'];
			}
			$a_pool[$id] = $poolent;
		} else
			$a_pool[] = $poolent;

		if ($changecount > 0) {
			/* Mark pool dirty */
			mark_subsystem_dirty('loadbalancer');
			write_config($changedesc);
		}

		header("Location: load_balancer_pool.php");
		exit;
	}
}

$pgtitle = array(gettext("Services"), gettext("Load Balancer"),gettext("Pool"),gettext("Edit"));
$shortcut_section = "relayd";

include("head.inc");
?>

<script type="text/javascript">
//<![CDATA[
events.push(function(){

	// Disables the specified input element
	function disableInput(id, disable) {
		$('#' + id).prop("disabled", disable);
	}

	// Select every option in the specified multiselect
	function AllServers(id, selectAll) {
	   for (i = 0; i < id.length; i++)	   {
		   id.eq(i).prop('selected', selectAll);
	   }
	}

	// Move all selected options from one multiselect to another
	function moveOptions(From, To)	{
		var len = From.length;
		var option;

		if(len > 1) {
			for(i=0; i<len; i++) {
				if(From.eq(i).is(':selected')) {
					option = From.eq(i).val();
					To.append(new Option(option, option));
					From.eq(i).remove();
				}
			}
		}
	}

	function checkPoolControls() {

		if ($("#mode").val() == "failover") {
			disableInput('movetoenabled', $('[name="servers[]"] option').length > 0);
		} else {
			disableInput('movetoenabled',false);
		}
	}

	// Move (copy/delete) all but one of the items in the Enabled (server) list to the Disabled list
	function enforceFailover() {
		if ($('#mode').val() != 'failover') {
			return;
		}

		var len = $('[name="servers[]"] option').length;
		var option;

		if(len > 1) {
			for(i=len-1; i>0; i--) {
				option = $('[name="servers[]"] option').eq(i).val();
				$('[name="serversdisabled[]"]').append(new Option(option, option));
				$('[name="servers[]"] option').eq(i).remove();
			}
		}
	}

	// Make buttons plain buttons, not a submit
	$("#btnaddtopool").prop('type','button');
	$("#removeenabled").prop('type','button');
	$("#removedisabled").prop('type','button');
	$("#movetodisabled").prop('type','button');
	$("#movetoenabled").prop('type','button');

	// On click . .
	$("#btnaddtopool").click(function() {
		$('[name="servers[]"]').append(new Option($('#ipaddr').val(), $('#ipaddr').val()));
		enforceFailover();
		checkPoolControls();
	});

	$('#mode').on('change', function() {
		enforceFailover();
		checkPoolControls();
	});

	$("#removeenabled").click(function() {
		$('[name="servers[]"] option:selected').remove();
	});

	$("#removedisabled").click(function() {
		$('[name="serversdisabled[]"] option:selected').remove();
	});
	
	$("#movetodisabled").click(function() {
		moveOptions($('[name="servers[]"] option'), $('[name="serversdisabled[]"]'));
	});

	$("#movetoenabled").click(function() {
		moveOptions($('[name="serversdisabled[]"] option'), $('[name="servers[]"]'));
	});

	// On initial page load
	checkPoolControls();

	// On submit
	$('form').submit(function(){
		AllServers($('[name="servers[]"] option'), true);
		AllServers($('[name="serversdisabled[]"] option'), true);
	});

});
//]]>
</script>

<?php
if ($input_errors)
	print_input_errors($input_errors);

require_once('classes/Form.class.php');

$form = new Form(new Form_Button(
	'Submit',
	gettext("Save")
));

$section = new Form_Section('Add/edit Load Balancer - Pool entry');

$section->addInput(new Form_Input(
	'name',
	'Name',
	'text',
	$pconfig['name']
));

$section->addInput(new Form_Select(
	'mode',
	'Mode',
	$pconfig['mode'],
	array(
		'loadbalance' => 'Load Balance',
		'failover' => 'Manual Failover'
	)
));

$section->addInput(new Form_Input(
	'descr',
	'Description',
	'text',
	$pconfig['descr']
));

$section->addInput(new Form_Input(
	'port',
	'Port',
	'text',
	$pconfig['port']
))->setHelp('This is the port your servers are listening on. You may also specify a port alias listed in Firewall -> Aliases here.');

$section->addInput(new Form_Input(
	'retry',
	'Retry',
	'number',
	$pconfig['retry'],
	['min' => '1', 'max' => '65536']
))->setHelp('Optionally specify how many times to retry checking a server before declaring it down.');

$form->add($section);

$section = new Form_Section('Add item to the pool');

$monitorlist = array();

foreach ($config['load_balancer']['monitor_type'] as $monitor)
	$monitorlist[$monitor['name']] = $monitor['name'];

if(count($config['load_balancer']['monitor_type'])) {
	$section->addInput(new Form_Select(
		'monitor',
		'Monitor',
		$pconfig['monitor'],
		$monitorlist
	));
} else {
	$section->addInput(new Form_StaticText(
		'Monitor',
		'Please add a monitor IP address on the monitors tab if you wish to use this feature."'
	));
}

$group = new Form_Group('Server IP Address');

$group->add(new Form_IpAddress(
	'ipaddr',
	'IP Address',
	$pconfig['ipaddr']
));

$group->add(new Form_Button(
	'btnaddtopool',
	'Add to pool'
))->removeClass('btn-primary')->addClass('btn-default');

$section->add($group);

$form->add($section);

$section = new Form_Section('Current pool members');

$group = new Form_Group('Members');

$group->add(new Form_Select(
	'serversdisabled',
	null,
	$pconfig['serversdisabled'],
	is_array($pconfig['serversdisabled']) ? array_combine($pconfig['serversdisabled'], $pconfig['serversdisabled']) : array(),
	true
))->setHelp('Disabled');

$group->add(new Form_Select(
	'servers',
	null,
	$pconfig['servers'],
	is_array($pconfig['servers']) ? array_combine($pconfig['servers'], $pconfig['servers']) : array(),
	true
))->setHelp('Enabled (Default)');

$section->add($group);

$group = new Form_Group('');

$group->add(new Form_Button(
	'removedisabled',
	'Remove'
))->removeClass('btn-primary')->addClass('btn-default btn-sm');

$group->add(new Form_Button(
	'removeenabled',
	'Remove'
))->removeClass('btn-primary')->addClass('btn-default btn-sm');

$section->add($group);

$group = new Form_Group('');

$group->add(new Form_Button(
	'movetoenabled',
	'Move to enabled list >'
))->removeClass('btn-primary')->addClass('btn-default btn-sm');

$group->add(new Form_Button(
	'movetodisabled',
	'< Move to disabled list'
))->removeClass('btn-primary')->addClass('btn-default btn-sm');

$section->add($group);

if (isset($id) && $a_pool[$id] && $_GET['act'] != 'dup') {
	$section->addInput(new Form_Input(
		'id',
		null,
		'hidden',
		$id
	));
}

$form->add($section);

print($form);

include("foot.inc");
OpenPOWER on IntegriCloud