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
<?php
/*
Copyright (C) 2014-2015 Deciso B.V.
Copyright (C) 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.
*/
require_once("guiconfig.inc");
require_once("services.inc");
require_once("interfaces.inc");
$rfc2616 = array(
100 => "100 Continue",
101 => "101 Switching Protocols",
200 => "200 OK",
201 => "201 Created",
202 => "202 Accepted",
203 => "203 Non-Authoritative Information",
204 => "204 No Content",
205 => "205 Reset Content",
206 => "206 Partial Content",
300 => "300 Multiple Choices",
301 => "301 Moved Permanently",
302 => "302 Found",
303 => "303 See Other",
304 => "304 Not Modified",
305 => "305 Use Proxy",
306 => "306 (Unused)",
307 => "307 Temporary Redirect",
400 => "400 Bad Request",
401 => "401 Unauthorized",
402 => "402 Payment Required",
403 => "403 Forbidden",
404 => "404 Not Found",
405 => "405 Method Not Allowed",
406 => "406 Not Acceptable",
407 => "407 Proxy Authentication Required",
408 => "408 Request Timeout",
409 => "409 Conflict",
410 => "410 Gone",
411 => "411 Length Required",
412 => "412 Precondition Failed",
413 => "413 Request Entity Too Large",
414 => "414 Request-URI Too Long",
415 => "415 Unsupported Media Type",
416 => "416 Requested Range Not Satisfiable",
417 => "417 Expectation Failed",
500 => "500 Internal Server Error",
501 => "501 Not Implemented",
502 => "502 Bad Gateway",
503 => "503 Service Unavailable",
504 => "504 Gateway Timeout",
505 => "505 HTTP Version Not Supported"
);
function is_rfc2616_code($code) {
global $rfc2616;
if (isset($rfc2616[$code]))
return true;
else
return false;
}
function print_rfc2616_select($tag, $current){
global $rfc2616;
/* Default to 200 OK if not set */
if ($current == "")
$current = 200;
echo "<select id=\"{$tag}\" name=\"{$tag}\">\n";
foreach($rfc2616 as $code => $message) {
if ($code == $current) {
$sel = " selected=\"selected\"";
} else {
$sel = "";
}
echo "<option value=\"{$code}\"{$sel}>{$message}</option>\n";
}
echo "</select>\n";
}
$referer = (isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '/load_balancer_monitor.php');
if (!is_array($config['load_balancer']['monitor_type'])) {
$config['load_balancer']['monitor_type'] = array();
}
$a_monitor = &$config['load_balancer']['monitor_type'];
if (is_numericint($_GET['id']))
$id = $_GET['id'];
if (isset($_POST['id']) && is_numericint($_POST['id']))
$id = $_POST['id'];
if (isset($id) && $a_monitor[$id]) {
$pconfig['name'] = $a_monitor[$id]['name'];
$pconfig['type'] = $a_monitor[$id]['type'];
$pconfig['descr'] = $a_monitor[$id]['descr'];
$pconfig['options'] = array();
$pconfig['options'] = $a_monitor[$id]['options'];
} else {
/* Some sane page defaults */
$pconfig['options']['path'] = '/';
$pconfig['options']['code'] = 200;
}
if ($_POST) {
unset($input_errors);
$pconfig = $_POST;
/* turn $_POST['http_options_*'] into $pconfig['options'][*] */
foreach($_POST as $key => $val) {
if (stristr($key, 'options') !== false) {
if (stristr($key, $pconfig['type'].'_') !== false) {
$opt = explode('_',$key);
$pconfig['options'][$opt[2]] = $val;
}
unset($pconfig[$key]);
}
}
/* input validation */
$reqdfields = explode(" ", "name type descr");
$reqdfieldsn = array(gettext("Name"),gettext("Type"),gettext("Description"));
do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);
/* Ensure that our monitor names are unique */
for ($i=0; isset($config['load_balancer']['monitor_type'][$i]); $i++)
if (($_POST['name'] == $config['load_balancer']['monitor_type'][$i]['name']) && ($i != $id))
$input_errors[] = gettext("This monitor name has already been used. Monitor names must be unique.");
if (strpos($_POST['name'], " ") !== false)
$input_errors[] = gettext("You cannot use spaces in the 'name' field.");
switch($_POST['type']) {
case 'icmp': {
break;
}
case 'tcp': {
break;
}
case 'http':
case 'https': {
if (is_array($pconfig['options'])) {
if (isset($pconfig['options']['host']) && $pconfig['options']['host'] != "") {
if (!is_hostname($pconfig['options']['host'])) {
$input_errors[] = gettext("The hostname can only contain the characters A-Z, 0-9 and '-'.");
}
}
if (isset($pconfig['options']['code']) && $pconfig['options']['code'] != "") {
// Check code
if(!is_rfc2616_code($pconfig['options']['code'])) {
$input_errors[] = gettext("HTTP(s) codes must be from RFC2616.");
}
}
if (!isset($pconfig['options']['path']) || $pconfig['options']['path'] == "") {
$input_errors[] = gettext("The path to monitor must be set.");
}
}
break;
}
case 'send': {
if (is_array($pconfig['options'])) {
if (isset($pconfig['options']['send']) && $pconfig['options']['send'] != "") {
// Check send
}
if (isset($pconfig['options']['expect']) && $pconfig['options']['expect'] != "") {
// Check expect
}
}
break;
}
}
if (!$input_errors) {
$monent = array();
if (isset($id) && $a_monitor[$id]) {
$monent = $a_monitor[$id];
}
update_if_changed("name", $monent['name'], $pconfig['name']);
update_if_changed("type", $monent['type'], $pconfig['type']);
update_if_changed("description", $monent['descr'], $pconfig['descr']);
if($pconfig['type'] == "http" || $pconfig['type'] == "https" ) {
/* log updates, then clear array and reassign - dumb, but easiest way to have a clear array */
update_if_changed("path", $monent['options']['path'], $pconfig['options']['path']);
update_if_changed("host", $monent['options']['host'], $pconfig['options']['host']);
update_if_changed("code", $monent['options']['code'], $pconfig['options']['code']);
$monent['options'] = array();
$monent['options']['path'] = $pconfig['options']['path'];
$monent['options']['host'] = $pconfig['options']['host'];
$monent['options']['code'] = $pconfig['options']['code'];
}
if($pconfig['type'] == "send" ) {
/* log updates, then clear array and reassign - dumb, but easiest way to have a clear array */
update_if_changed("send", $monent['options']['send'], $pconfig['options']['send']);
update_if_changed("expect", $monent['options']['expect'], $pconfig['options']['expect']);
$monent['options'] = array();
$monent['options']['send'] = $pconfig['options']['send'];
$monent['options']['expect'] = $pconfig['options']['expect'];
}
if($pconfig['type'] == "tcp" || $pconfig['type'] == "icmp") {
$monent['options'] = array();
}
if (isset($id) && $a_monitor[$id]) {
/* modify all pools with this name */
for ($i = 0; isset($config['load_balancer']['lbpool'][$i]); $i++) {
if ($config['load_balancer']['lbpool'][$i]['monitor'] == $a_monitor[$id]['name'])
$config['load_balancer']['lbpool'][$i]['monitor'] = $monent['name'];
}
$a_monitor[$id] = $monent;
} else {
$a_monitor[] = $monent;
}
mark_subsystem_dirty('loadbalancer');
write_config();
header("Location: load_balancer_monitor.php");
exit;
}
}
$pgtitle = array(gettext('Services'), gettext('Load Balancer'), gettext('Edit Monitor'));
$shortcut_section = 'relayd';
include("head.inc");
$types = array("icmp" => gettext("ICMP"), "tcp" => gettext("TCP"), "http" => gettext("HTTP"), "https" => gettext("HTTPS"), "send" => gettext("Send/Expect"));
?>
<body>
<?php include("fbegin.inc"); ?>
<script type="text/javascript">
//<![CDATA[
function updateType(t){
switch(t) {
<?php
/* OK, so this is sick using php to generate javascript, but it needed to be done */
foreach ($types as $key => $val) {
echo " case \"{$key}\": {\n";
$t = $types;
foreach ($t as $k => $v) {
if ($k != $key) {
echo " jQuery('#{$k}').hide();\n";
}
}
echo " }\n";
}
?>
}
jQuery('#' + t).show();
}
//]]>
</script>
<section class="page-content-main">
<div class="container-fluid">
<div class="row">
<?php if (isset($input_errors) && count($input_errors) > 0) print_input_errors($input_errors); ?>
<section class="col-xs-12">
<div class="content-box">
<form action="load_balancer_monitor_edit.php" method="post" name="iform" id="iform">
<div class="table-responsive">
<table class="table table-striped table-sort">
<tr>
<td colspan="2" valign="top" class="listtopic"><?=gettext("Edit Load Balancer - Monitor entry"); ?></td>
</tr>
<tr align="left">
<td width="22%" valign="top" class="vncellreq"><?=gettext("Name"); ?></td>
<td width="78%" class="vtable" colspan="2">
<input name="name" type="text" <?php if(isset($pconfig['name'])) echo "value=\"" . htmlspecialchars($pconfig['name']) . "\"";?> size="16" maxlength="16" />
</td>
</tr>
<tr align="left">
<td width="22%" valign="top" class="vncellreq"><?=gettext("Description"); ?></td>
<td width="78%" class="vtable" colspan="2">
<input name="descr" type="text" <?php if(isset($pconfig['descr'])) echo "value=\"" . htmlspecialchars($pconfig['descr']) . "\"";?> size="64" />
</td>
</tr>
<tr align="left">
<td width="22%" valign="top" class="vncellreq"><?=gettext("Type"); ?></td>
<td width="78%" class="vtable" colspan="2">
<select id="type" name="type">
<?
foreach ($types as $key => $val) {
if(isset($pconfig['type']) && $pconfig['type'] == $key) {
$selected = " selected=\"selected\"";
} else {
$selected = "";
}
echo "<option value=\"{$key}\" onclick=\"updateType('{$key}');\"{$selected}>{$val}</option>\n";
}
?>
</select>
</td>
</tr>
<tr align="left" id="icmp"<?= $pconfig['type'] == "icmp" ? "" : " style=\"display:none;\""?>><td></td>
</tr>
<tr align="left" id="tcp"<?= $pconfig['type'] == "tcp" ? "" : " style=\"display:none;\""?>><td></td>
</tr>
<tr align="left" id="http"<?= $pconfig['type'] == "http" ? "" : " style=\"display:none;\""?>>
<td width="22%" valign="top" class="vncellreq"><?=gettext("HTTP"); ?></td>
<td width="78%" class="vtable" colspan="2">
<table width="100%" border="0" cellpadding="6" cellspacing="0" summary="http">
<tr align="left">
<td valign="top" align="right" class="vtable"><?=gettext("Path"); ?></td>
<td class="vtable" colspan="2">
<input name="http_options_path" type="text" <?php if(isset($pconfig['options']['path'])) echo "value=\"" . htmlspecialchars($pconfig['options']['path']) . "\"";?> size="64" />
</td>
</tr>
<tr align="left">
<td valign="top" align="right" class="vtable"><?=gettext("Host"); ?></td>
<td class="vtable" colspan="2">
<input name="http_options_host" type="text" <?php if(isset($pconfig['options']['host'])) echo "value=\"" . htmlspecialchars($pconfig['options']['host']) . "\"";?> size="64" /><br /><?=gettext("Hostname for Host: header if needed."); ?>
</td>
</tr>
<tr align="left">
<td valign="top" align="right" class="vtable"><?=gettext("HTTP Code"); ?></td>
<td class="vtable" colspan="2">
<?= print_rfc2616_select("http_options_code", isset($pconfig['options']['code'])?$pconfig['options']['code']:""); ?>
</td>
</tr>
<!-- BILLM: XXX not supported digest checking just yet
<tr align="left">
<td width="22%" valign="top" class="vncell">MD5 Page Digest</td>
<td width="78%" class="vtable" colspan="2">
<input name="digest" type="text" <?php if(isset($pconfig['digest'])) echo "value=\"" . htmlspecialchars($pconfig['digest']) . "\"";?>size="32"><br /><b>TODO: add fetch functionality here</b>
</td>
</tr>
-->
</table>
</td>
</tr>
<tr align="left" id="https"<?= $pconfig['type'] == "https" ? "" : " style=\"display:none;\""?>>
<td width="22%" valign="top" class="vncellreq"><?=gettext("HTTPS"); ?></td>
<td width="78%" class="vtable" colspan="2">
<table width="100%" border="0" cellpadding="6" cellspacing="0" summary="https">
<tr align="left">
<td valign="top" align="right" class="vtable"><?=gettext("Path"); ?></td>
<td class="vtable" colspan="2">
<input name="https_options_path" type="text" <?php if(isset($pconfig['options']['path'])) echo "value=\"" . htmlspecialchars($pconfig['options']['path']) ."\"";?> size="64" />
</td>
</tr>
<tr align="left">
<td valign="top" align="right" class="vtable"><?=gettext("Host"); ?></td>
<td class="vtable" colspan="2">
<input name="https_options_host" type="text" <?php if(isset($pconfig['options']['host'])) echo "value=\"" . htmlspecialchars($pconfig['options']['host']) . "\"";?> size="64" /><br /><?=gettext("Hostname for Host: header if needed."); ?>
</td>
</tr>
<tr align="left">
<td valign="top" align="right" class="vtable"><?=gettext("HTTP Code"); ?></td>
<td class="vtable" colspan="2">
<?= print_rfc2616_select("https_options_code", isset($pconfig['options']['code'])?$pconfig['options']['code']:""); ?>
</td>
</tr>
<!-- BILLM: XXX not supported digest checking just yet
<tr align="left">
<td width="22%" valign="top" class="vncellreq">MD5 Page Digest</td>
<td width="78%" class="vtable" colspan="2">
<input name="digest" type="text" <?php if(isset($pconfig['digest'])) echo "value=\"" . htmlspecialchars($pconfig['digest']) . "\"";?>size="32"><br /><b>TODO: add fetch functionality here</b>
</td>
</tr>
-->
</table>
</td>
</tr>
<tr align="left" id="send"<?= $pconfig['type'] == "send" ? "" : " style=\"display:none;\""?>>
<td width="22%" valign="top" class="vncellreq"><?=gettext("Send/Expect"); ?></td>
<td width="78%" class="vtable" colspan="2">
<table width="100%" border="0" cellpadding="6" cellspacing="0" summary="send expect">
<tr align="left">
<td valign="top" align="right" class="vtable"><?=gettext("Send string"); ?></td>
<td class="vtable" colspan="2">
<input name="send_options_send" type="text" <?php if(isset($pconfig['options']['send'])) echo "value=\"" . htmlspecialchars($pconfig['options']['send']) . "\"";?> size="64" />
</td>
</tr>
<tr align="left">
<td valign="top" align="right" class="vtable"><?=gettext("Expect string"); ?></td>
<td class="vtable" colspan="2">
<input name="send_options_expect" type="text" <?php if(isset($pconfig['options']['expect'])) echo "value=\"" . htmlspecialchars($pconfig['options']['expect']) . "\"";?> size="64" />
</td>
</tr>
</table>
</td>
</tr>
<tr align="left">
<td width="22%" valign="top"> </td>
<td width="78%">
<input name="Submit" type="submit" class="btn btn-primary" value="<?=gettext("Save"); ?>" />
<input type="button" class="btn btn-default" value="<?=gettext("Cancel");?>" onclick="window.location.href='<?=$referer;?>'" />
<?php if (isset($id) && $a_monitor[$id]): ?>
<input name="id" type="hidden" value="<?=htmlspecialchars($id);?>" />
<?php endif; ?>
</td>
</tr>
</table>
</div>
</form>
</div>
</section>
</div>
</div>
</section>
<?php include("foot.inc"); ?>