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437 lines
19 KiB
PHP
437 lines
19 KiB
PHP
<?php
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/**
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*
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* This file is part of HESK - PHP Help Desk Software.
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*
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* (c) Copyright Klemen Stirn. All rights reserved.
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* https://www.hesk.com
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*
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* For the full copyright and license agreement information visit
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* https://www.hesk.com/eula.php
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*
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*/
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define('IN_SCRIPT', 1);
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define('HESK_PATH', '../');
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define('PAGE_TITLE', 'ADMIN_BANNED_IPS');
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define('MFH_PAGE_LAYOUT', 'TOP_ONLY');
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/* Get all the required files and functions */
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require(HESK_PATH . 'hesk_settings.inc.php');
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require(HESK_PATH . 'inc/common.inc.php');
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require(HESK_PATH . 'inc/admin_functions.inc.php');
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require(HESK_PATH . 'inc/mail_functions.inc.php');
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hesk_load_database_functions();
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hesk_session_start();
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hesk_dbConnect();
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hesk_isLoggedIn();
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/* Check permissions for this feature */
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hesk_checkPermission('can_ban_ips');
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$can_unban = hesk_checkPermission('can_unban_ips', 0);
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// Define required constants
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define('LOAD_TABS', 1);
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// What should we do?
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if ($action = hesk_REQUEST('a')) {
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if (defined('HESK_DEMO')) {
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hesk_process_messages($hesklang['ddemo'], 'banned_ips.php', 'NOTICE');
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} elseif ($action == 'ban') {
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ban_ip();
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} elseif ($action == 'unban' && $can_unban) {
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unban_ip();
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} elseif ($action == 'unbantemp' && $can_unban) {
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unban_temp_ip();
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}
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}
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/* Print header */
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require_once(HESK_PATH . 'inc/headerAdmin.inc.php');
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/* Print main manage users page */
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require_once(HESK_PATH . 'inc/show_admin_nav.inc.php');
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?>
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<div class="content-wrapper">
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<section class="content">
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<div class="box">
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<div class="box-body">
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<div class="nav-tabs-custom">
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<ul class="nav nav-tabs" role="tablist">
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<?php
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// Show a link to banned_emails.php if user has permission to do so
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if (hesk_checkPermission('can_ban_emails', 0)) {
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echo '
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<li role="presentation">
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<a title="' . $hesklang['banemail'] . '" href="banned_emails.php">' . $hesklang['banemail'] . '</a>
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</li>';
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}
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?>
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<li role="presentation" class="active">
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<a href="#"><?php echo $hesklang['banip']; ?> <i class="fa fa-question-circle settingsquestionmark"
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onclick="javascript:alert('<?php echo hesk_makeJsString($hesklang['banip_intro']); ?>')"></i></a>
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</li>
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<?php
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// Show a link to status_message.php if user has permission to do so
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if (hesk_checkPermission('can_service_msg', 0)) {
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echo '
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<li role="presentation">
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<a title="' . $hesklang['sm_title'] . '" href="service_messages.php">' . $hesklang['sm_title'] . '</a>
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</li>';
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}
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// Show a link to email tpl management if user has permission to do so
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if (hesk_checkPermission('can_man_email_tpl', 0)) {
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echo '
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<li role="presentation">
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<a title="' . $hesklang['email_templates'] . '" href="manage_email_templates.php">' . $hesklang['email_templates'] . '</a>
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</li>
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';
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}
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if (hesk_checkPermission('can_man_ticket_statuses', 0)) {
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echo '
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<li role="presentation">
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<a title="' . $hesklang['statuses'] . '" href="manage_statuses.php">' . $hesklang['statuses'] . '</a>
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</li>
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';
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}
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if (hesk_checkPermission('can_man_settings', 0)) {
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echo '
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<li role="presentation">
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<a title="' . $hesklang['tab_4'] . '" href="custom_fields.php">' . $hesklang['tab_4'] . '</a>
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</li>';
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}
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?>
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</ul>
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<div class="tab-content summaryList tabPadding">
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<script language="javascript" type="text/javascript"><!--
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function confirm_delete() {
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if (confirm('<?php echo hesk_makeJsString($hesklang['delban_confirm']); ?>')) {
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return true;
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}
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else {
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return false;
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}
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}
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//-->
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</script>
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<div class="row">
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<div class="col-md-8">
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<?php
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/* This will handle error, success and notice messages */
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hesk_handle_messages();
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?>
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<form action="banned_ips.php" method="post" name="form1" role="form" class="form-horizontal" data-toggle="validator">
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<div class="form-group">
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<label for="ip" class="col-sm-3 control-label"><?php echo $hesklang['bananip']; ?></label>
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<div class="col-sm-9">
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<input type="text" name="ip" size="30" maxlength="255" class="form-control" data-error="<?php echo htmlspecialchars($hesklang['enterbanip']); ?>"
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placeholder="<?php echo htmlspecialchars($hesklang['iprange']); ?>" required>
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<input type="hidden" name="token" value="<?php hesk_token_echo(); ?>"/>
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<input type="hidden" name="a" value="ban"/>
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<div class="help-block with-errors"></div>
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</div>
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</div>
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<div class="form-group">
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<div class="col-sm-9 col-sm-offset-3">
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<input type="submit" value="<?php echo $hesklang['savebanip']; ?>" class="btn btn-default">
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</div>
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</div>
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</form>
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</div>
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<div class="col-md-4">
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<h6 class="bold"><?php echo $hesklang['banex']; ?></h6>
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<div class="footerWithBorder blankSpace"></div>
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<b>123.0.0.0</b><br/>
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<b>123.0.0.1 - 123.0.0.53</b><br/>
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<b>123.0.0.0/24</b><br/>
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<b>123.0.*.*</b>
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</div>
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</div>
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<div class="row">
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<div class="col-sm-12">
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<?php
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// Get login failures
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$res = hesk_dbQuery("SELECT `ip`, TIMESTAMPDIFF(MINUTE, NOW(), DATE_ADD(`last_attempt`, INTERVAL " . intval($hesk_settings['attempt_banmin']) . " MINUTE) ) AS `minutes` FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "logins` WHERE `number` >= " . intval($hesk_settings['attempt_limit']) . " AND `last_attempt` > (NOW() - INTERVAL " . intval($hesk_settings['attempt_banmin']) . " MINUTE)");
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$num = hesk_dbNumRows($res);
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echo '<h4>' . $hesklang['iptemp'] . '</h4>';
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if ($num > 0) {
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?>
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<table class="table table-hover">
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<thead>
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<tr>
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<th><?php echo $hesklang['ip']; ?></th>
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<th><?php echo $hesklang['m2e']; ?></th>
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<?php
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if ($can_unban) {
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?>
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<th><?php echo $hesklang['opt']; ?></th>
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<?php
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}
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?>
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</tr>
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</thead>
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<tbody>
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<?php
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while ($ban = hesk_dbFetchAssoc($res)) {
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echo '
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<tr>
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<td>' . $ban['ip'] . '</td>
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<td>' . $ban['minutes'] . '</td>
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';
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if ($can_unban) {
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echo '
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<td>
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<a href="banned_ips.php?a=ban&ip=' . urlencode($ban['ip']) . '&token=' . hesk_token_echo(0) . '">
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<i class="fa fa-ban red font-size-16p" data-toggle="tooltip" data-placement="top" data-original-title="' . $hesklang['ippermban'] . '"></i></a>
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<a href="banned_ips.php?a=unbantemp&ip=' . urlencode($ban['ip']) . '&token=' . hesk_token_echo(0) . '" onclick="return confirm_delete();">
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<i class="fa fa-times red font-size-16p" data-toggle="tooltip" data-placement="top" data-original-title="' . $hesklang['delban'] . '"></i></a>
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</td>
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';
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}
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echo '</tr>';
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} // End while
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?>
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</tbody>
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</table>
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<?php
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} else {
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echo '<p>' . $hesklang['no_banips'] . '</p>';
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}
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// Get banned ips from database
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$res = hesk_dbQuery('SELECT * FROM `' . hesk_dbEscape($hesk_settings['db_pfix']) . 'banned_ips` ORDER BY `ip_from` ASC');
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$num = hesk_dbNumRows($res);
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echo '<br><h4>' . $hesklang['ipperm'] . '</h4>';
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if ($num < 1) {
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echo '<p>' . $hesklang['no_banips'] . '</p>';
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} else {
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// List of staff
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if (!isset($admins)) {
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$admins = array();
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$res2 = hesk_dbQuery("SELECT `id`,`name` FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "users`");
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while ($row = hesk_dbFetchAssoc($res2)) {
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$admins[$row['id']] = $row['name'];
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}
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}
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?>
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<table class="table table-hover">
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<thead>
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<tr>
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<th><?php echo $hesklang['ip']; ?></th>
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<th><?php echo $hesklang['iprange']; ?></th>
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<th><?php echo $hesklang['banby']; ?></th>
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<th><?php echo $hesklang['date']; ?></th>
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<?php
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if ($can_unban) {
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?>
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<th><?php echo $hesklang['opt']; ?></th>
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<?php
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}
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?>
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</tr>
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</thead>
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<tbody>
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<?php
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while ($ban = hesk_dbFetchAssoc($res)) {
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$color = '';
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if (isset($_SESSION['ban_ip']['id']) && $ban['id'] == $_SESSION['ban_ip']['id']) {
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$color = 'success';
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unset($_SESSION['ban_ip']['id']);
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}
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echo '
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<tr>
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<td class="' . $color . '">' . $ban['ip_display'] . '</td>
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<td class="' . $color . '">' . (($ban['ip_to'] == $ban['ip_from']) ? long2ip($ban['ip_to']) : long2ip($ban['ip_from']) . ' - ' . long2ip($ban['ip_to'])) . '</td>
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<td class="' . $color . '">' . (isset($admins[$ban['banned_by']]) ? $admins[$ban['banned_by']] : $hesklang['e_udel']) . '</td>
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<td class="' . $color . '">' . $ban['dt'] . '</td>
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';
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if ($can_unban) {
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echo '
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<td class="' . $color . ' text-left">
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<a name="Unban '.$ban['ip_display'].'" href="banned_ips.php?a=unban&id=' . $ban['id'] . '&token=' . hesk_token_echo(0) . '" onclick="return confirm_delete();">
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<i class="fa fa-times red font-size-16p" data-toggle="tooltip" data-placement="top" data-original-title="' . $hesklang['delban'] . '"></i></a>
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</td>
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';
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}
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echo '</tr>';
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} // End while
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?>
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</tbody>
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</table>
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<?php
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}
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?>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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</section>
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</div>
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<?php
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require_once(HESK_PATH . 'inc/footer.inc.php');
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exit();
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/*** START FUNCTIONS ***/
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function ban_ip()
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{
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global $hesk_settings, $hesklang;
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// A security check
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hesk_token_check();
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// Get the ip
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$ip = preg_replace('/[^0-9\.\-\/\*]/', '', hesk_REQUEST('ip'));
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$ip_display = str_replace('-', ' - ', $ip);
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// Nothing entered?
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if (!strlen($ip)) {
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hesk_process_messages($hesklang['enterbanip'], 'banned_ips.php');
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}
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// Convert asterisk to ranges
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if (strpos($ip, '*') !== false) {
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$ip = str_replace('*', '0', $ip) . '-' . str_replace('*', '255', $ip);
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}
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$ip_regex = '(([1-9]?[0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]).){3}([1-9]?[0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])';
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// Is this a single IP address?
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if (preg_match('/^' . $ip_regex . '$/', $ip)) {
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$ip_from = ip2long($ip);
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$ip_to = $ip_from;
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} // Is this an IP range?
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elseif (preg_match('/^' . $ip_regex . '\-' . $ip_regex . '$/', $ip)) {
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list($ip_from, $ip_to) = explode('-', $ip);
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$ip_from = ip2long($ip_from);
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$ip_to = ip2long($ip_to);
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} // Is this an IP with CIDR?
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elseif (preg_match('/^' . $ip_regex . '\/([0-9]{1,2})$/', $ip, $matches) && $matches[4] >= 0 && $matches[4] <= 32) {
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list($ip_from, $ip_to) = hesk_cidr_to_range($ip);
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} // Not a valid input
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else {
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hesk_process_messages($hesklang['validbanip'], 'banned_ips.php');
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}
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// Make sure we have valid ranges
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if ($ip_from < 0) {
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$ip_from += 4294967296;
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} elseif ($ip_from > 4294967296) {
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$ip_from = 4294967296;
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}
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if ($ip_to < 0) {
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$ip_to += 4294967296;
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} elseif ($ip_to > 4294967296) {
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$ip_to = 4294967296;
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}
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// Make sure $ip_to is not lower that $ip_from
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if ($ip_to < $ip_from) {
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$tmp = $ip_to;
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$ip_to = $ip_from;
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$ip_from = $tmp;
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}
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// Is this IP address already banned?
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$res = hesk_dbQuery("SELECT `id` FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "banned_ips` WHERE {$ip_from} BETWEEN `ip_from` AND `ip_to` AND {$ip_to} BETWEEN `ip_from` AND `ip_to` LIMIT 1");
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if (hesk_dbNumRows($res) == 1) {
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$_SESSION['ban_ip']['id'] = hesk_dbResult($res);
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$hesklang['ipbanexists'] = ($ip_to == $ip_from) ? sprintf($hesklang['ipbanexists'], long2ip($ip_to)) : sprintf($hesklang['iprbanexists'], long2ip($ip_from) . ' - ' . long2ip($ip_to));
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hesk_process_messages($hesklang['ipbanexists'], 'banned_ips.php', 'NOTICE');
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}
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// Delete any duplicate banned IP or ranges that are within the new banned range
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hesk_dbQuery("DELETE FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "banned_ips` WHERE `ip_from` >= {$ip_from} AND `ip_to` <= {$ip_to}");
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// Delete temporary bans from logins table
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if ($ip_to == $ip_from) {
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hesk_dbQuery("DELETE FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "logins` WHERE `ip`='" . hesk_dbEscape($ip_display) . "'");
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}
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// Redirect either to banned ips or ticket page from now on
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$redirect_to = ($trackingID = hesk_cleanID()) ? 'admin_ticket.php?track=' . $trackingID . '&Refresh=' . mt_rand(10000, 99999) : 'banned_ips.php';
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// Insert the ip address into database
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hesk_dbQuery("INSERT INTO `" . hesk_dbEscape($hesk_settings['db_pfix']) . "banned_ips` (`ip_from`,`ip_to`,`ip_display`,`banned_by`) VALUES ({$ip_from}, {$ip_to},'" . hesk_dbEscape($ip_display) . "','" . intval($_SESSION['id']) . "')");
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// Remember ip that got banned
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$_SESSION['ban_ip']['id'] = hesk_dbInsertID();
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// Generate success message
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$hesklang['ip_banned'] = ($ip_to == $ip_from) ? sprintf($hesklang['ip_banned'], long2ip($ip_to)) : sprintf($hesklang['ip_rbanned'], long2ip($ip_from) . ' - ' . long2ip($ip_to));
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// Show success
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hesk_process_messages(sprintf($hesklang['ip_banned'], $ip), $redirect_to, 'SUCCESS');
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} // End ban_ip()
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function unban_temp_ip()
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{
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global $hesk_settings, $hesklang;
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// A security check
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hesk_token_check();
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// Get the ip
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$ip = preg_replace('/[^0-9\.\-\/\*]/', '', hesk_REQUEST('ip'));
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// Delete from bans
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hesk_dbQuery("DELETE FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "logins` WHERE `ip`='" . hesk_dbEscape($ip) . "'");
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// Show success
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hesk_process_messages($hesklang['ip_tempun'], 'banned_ips.php', 'SUCCESS');
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} // End unban_temp_ip()
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function unban_ip()
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{
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global $hesk_settings, $hesklang;
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// A security check
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hesk_token_check();
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// Delete from bans
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hesk_dbQuery("DELETE FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "banned_ips` WHERE `id`=" . intval(hesk_GET('id')));
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// Redirect either to banned ips or ticket page from now on
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$redirect_to = ($trackingID = hesk_cleanID()) ? 'admin_ticket.php?track=' . $trackingID . '&Refresh=' . mt_rand(10000, 99999) : 'banned_ips.php';
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// Show success
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hesk_process_messages($hesklang['ip_unbanned'], $redirect_to, 'SUCCESS');
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} // End unban_ip()
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function hesk_cidr_to_range($cidr)
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{
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$range = array();
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$cidr = explode('/', $cidr);
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$range[0] = (ip2long($cidr[0])) & ((-1 << (32 - (int)$cidr[1])));
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$range[1] = (ip2long($cidr[0])) + pow(2, (32 - (int)$cidr[1])) - 1;
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return $range;
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} // END hesk_cidr_to_range()
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?>
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