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82cd6022
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PiBa-NL
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<?php
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/*
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* phpsessionmanager.inc
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*
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* part of pfSense (https://www.pfsense.org)
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38809d47
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Renato Botelho do Couto
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* Copyright (c) 2016 Electric Sheep Fencing
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8f2f85c3
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Luiz Otavio O Souza
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* Copyright (c) 2016-2022 Rubicon Communications, LLC (Netgate)
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82cd6022
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PiBa-NL
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* All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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$session_opencounter = 0;
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$session_write = false;
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$session_action_list = array();
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function simplestacktrace() {
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$stack = debug_backtrace();
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$str = "";
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foreach($stack as $s) {
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// $s['args']
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$str .= "\n{$s['function']}(..) - {$s['file']}:{$s['line']}";
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}
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return $str;
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}
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function phpsession_begin() {
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global $session_opencounter, $session_action_list;
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$session_action_list[] = "#### phpsession_begin ####" . simplestacktrace();
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if ($session_opencounter == 0) {
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session_start();
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}
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$session_opencounter++;
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}
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function phpsession_destroy() {
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global $session_opencounter, $session_action_list;
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$session_action_list[] = "#### phpsession_destroy ####" . simplestacktrace();
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session_destroy();
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$session_opencounter = 0;
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}
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function phpsession_end($write = false) {
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global $session_opencounter, $session_write, $session_action_list;
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$session_action_list[] = "#### phpsession_end ####" . simplestacktrace();
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$session_write |= $write;
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$session_opencounter--;
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if ($session_opencounter == 0) {
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if ($session_write) {
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session_commit();
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$session_write = false;
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} else {
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session_abort();
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}
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}
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if ($session_opencounter < 0) {
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$session_opencounter = 0;
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dc064879
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PiBa-NL
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syslog(LOG_WARNING, "PHPSESSION closed more often than opened!" . simplestacktrace());
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82cd6022
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PiBa-NL
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}
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}
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function phpsession_cleanupcheck() {
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global $session_opencounter, $session_action_list;
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if ($session_opencounter > 0) {
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dc064879
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PiBa-NL
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syslog(LOG_WARNING, "PHPSESSION {$session_opencounter} open sessions left at shutdown script!".print_r($session_action_list, true));
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82cd6022
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PiBa-NL
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}
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}
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dc064879
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PiBa-NL
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register_shutdown_function('phpsession_cleanupcheck');
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