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
|
<?php
/*
* phpsessionmanager.inc
*
* part of pfSense (https://www.pfsense.org)
* Copyright (c) 2016 Rubicon Communications, LLC (Netgate)
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
$session_opencounter = 0;
$session_write = false;
$session_action_list = array();
function simplestacktrace() {
$stack = debug_backtrace();
$str = "";
foreach($stack as $s) {
// $s['args']
$str .= "\n{$s['function']}(..) - {$s['file']}:{$s['line']}";
}
return $str;
}
function phpsession_begin() {
global $session_opencounter, $session_action_list;
$session_action_list[] = "#### phpsession_begin ####" . simplestacktrace();
if ($session_opencounter == 0) {
session_start();
}
$session_opencounter++;
}
function phpsession_destroy() {
global $session_opencounter, $session_action_list;
$session_action_list[] = "#### phpsession_destroy ####" . simplestacktrace();
session_destroy();
$session_opencounter = 0;
}
function phpsession_end($write = false) {
global $session_opencounter, $session_write, $session_action_list;
$session_action_list[] = "#### phpsession_end ####" . simplestacktrace();
$session_write |= $write;
$session_opencounter--;
if ($session_opencounter == 0) {
if ($session_write) {
session_commit();
$session_write = false;
} else {
session_abort();
}
}
if ($session_opencounter < 0) {
$session_opencounter = 0;
syslog(LOG_WARNING, "PHPSESSION closed more often than opened!" . simplestacktrace());
}
}
function phpsession_cleanupcheck() {
global $session_opencounter, $session_action_list;
if ($session_opencounter > 0) {
syslog(LOG_WARNING, "PHPSESSION {$session_opencounter} open sessions left at shutdown script!".print_r($session_action_list, true));
}
}
register_shutdown_function('phpsession_cleanupcheck');
|
