361 lines
13 KiB
PHP
361 lines
13 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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/* 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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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 ( $action = hesk_REQUEST('a') )
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{
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if ( defined('HESK_DEMO') ) {hesk_process_messages($hesklang['ddemo'], 'banned_ips.php', 'NOTICE');}
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elseif ($action == 'ban') {ban_ip();}
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elseif ($action == 'unban' && $can_unban) {unban_ip();}
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elseif ($action == 'unbantemp' && $can_unban) {unban_temp_ip();}
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}
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/* Print header */
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require_once(HESK_PATH . 'inc/header.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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/* This will handle error, success and notice messages */
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hesk_handle_messages();
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?>
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<div class="main__content tools">
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<h2>
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<?php echo $hesklang['banip']; ?>
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<div class="tooltype right out-close">
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<svg class="icon icon-info">
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<use xlink:href="<?php echo HESK_PATH; ?>img/sprite.svg#icon-info"></use>
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</svg>
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<div class="tooltype__content">
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<div class="tooltype__wrapper">
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<?php echo $hesklang['banip_intro']; ?>
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</div>
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</div>
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</div>
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</h2>
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<form action="banned_ips.php" method="post" name="form1">
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<div class="tools__add-mail form">
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<div class="form-group">
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<input type="text" name="ip" maxlength="255" placeholder="<?php echo $hesklang['bananip']; ?>" class="form-control">
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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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<button type="submit" class="btn btn--blue-border" ripple="ripple"><?php echo $hesklang['savebanip']; ?></button>
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</div>
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<div class="mail--examples"><?php echo $hesklang['banex']; ?></div>
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<ul style="margin-left: 10px">
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<li>123.0.0.0</li>
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<li>123.0.0.1 - 123.0.0.53</li>
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<li>123.0.0.0/24</li>
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<li>123.0.*.*</li>
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</ul>
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</div>
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</form>
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<?php
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// Get login failures
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$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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if ($num > 0):
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?>
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<h3><?php echo $hesklang['iptemp']; ?></h3>
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<div class="table-wrapper ips">
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<table id="temporary-bans-table" class="table sindu-table">
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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 $hesklang['m2e']; ?></th>
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<?php if ($can_unban): ?>
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<th><?php echo $hesklang['opt']; ?></th>
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<?php endif; ?>
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</tr>
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</thead>
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<tbody>
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<?php while ($ban = hesk_dbFetchAssoc($res)): ?>
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<tr>
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<td><?php echo $ban['ip']; ?></td>
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<td><?php echo $ban['minutes']; ?></td>
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<?php if ($can_unban): ?>
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<td>
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<a href="banned_ips.php?a=ban&ip=<?php echo urlencode($ban['ip']); ?>&token=<?php hesk_token_echo(); ?>"><?php echo $hesklang['ippermban']; ?></a>
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<a href="banned_ips.php?a=unbantemp&ip=<?php echo urlencode($ban['ip']); ?>&token=<?php hesk_token_echo(); ?>"><?php echo $hesklang['delban']; ?></a>
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</td>
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<?php endif; ?>
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</tr>
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<?php endwhile; ?>
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</tbody>
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</table>
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</div>
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<?php endif; ?>
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<h3><?php echo $hesklang['ipperm']; ?></h3>
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<div class="table-wrapper ips">
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<table id="default-table" class="table sindu-table">
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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 $hesklang['date']; ?></th>
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<?php if ($can_unban): ?>
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<th><?php echo $hesklang['opt']; ?></th>
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<?php endif; ?>
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</tr>
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</thead>
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<tbody>
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<?php
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// Get banned ips from database
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$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($res);
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if ($num < 1):
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?>
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<tr>
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<td colspan="<?php echo $can_unban ? 5 : 4; ?>"><?php echo $hesklang['no_banips']; ?></td>
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</tr>
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<?php
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else:
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// List of staff
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if ( ! isset($admins) )
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{
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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($res2))
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{
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$admins[$row['id']]=$row['name'];
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}
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}
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$i = 1;
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while ($ban = hesk_dbFetchAssoc($res)):
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$table_row = '';
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if (isset($_SESSION['ban_ip']['id']) && $ban['id'] == $_SESSION['ban_ip']['id'])
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{
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$table_row = 'class="ticket-new"';
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unset($_SESSION['ban_ip']['id']);
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}
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?>
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<tr <?php echo $table_row; ?>>
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<td><?php echo $ban['ip_display']; ?></td>
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<td><?php echo $ban['ip_to'] == $ban['ip_from'] ? long2ip($ban['ip_to']) : long2ip($ban['ip_from']) . ' - ' . long2ip($ban['ip_to']); ?></td>
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<td><?php echo isset($admins[$ban['banned_by']]) ? $admins[$ban['banned_by']] : $hesklang['e_udel']; ?></td>
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<td><?php echo $ban['dt']; ?></td>
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<?php if ($can_unban): ?>
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<td class="unban">
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<?php $modal_id = hesk_generate_delete_modal($hesklang['confirm_deletion'],
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$hesklang['delban_confirm'],
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'banned_ips.php?a=unban&id='. $ban['id'] .'&token='. hesk_token_echo(0)); ?>
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<a href="javascript:" data-modal="[data-modal-id='<?php echo $modal_id; ?>']">
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<?php echo $hesklang['delban']; ?>
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</a>
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</td>
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<?php endif; ?>
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</tr>
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<?php
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endwhile;
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endif; ?>
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</tbody>
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</table>
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</div>
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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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{
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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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{
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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('/^'.$ip_regex.'$/', $ip) )
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{
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$ip_from = ip2long($ip);
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$ip_to = $ip_from;
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}
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// Is this an IP range?
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elseif ( preg_match('/^'.$ip_regex.'\-'.$ip_regex.'$/', $ip) )
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{
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list($ip_from, $ip_to) = explode('-', $ip);
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$ip_from = ip2long($ip_from);
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$ip_to = ip2long($ip_to);
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}
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// Is this an IP with CIDR?
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elseif ( preg_match('/^'.$ip_regex.'\/([0-9]{1,2})$/', $ip, $matches) && $matches[4] >= 0 && $matches[4] <= 32)
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{
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list($ip_from, $ip_to) = hesk_cidr_to_range($ip);
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}
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// Not a valid input
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else
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{
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hesk_process_messages($hesklang['validbanip'],'banned_ips.php');
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}
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if ($ip_from === false || $ip_to === false)
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{
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hesk_process_messages($hesklang['validbanip'],'banned_ips.php');
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}
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// Make sure we have valid ranges
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if ($ip_from < 0)
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{
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$ip_from += 4294967296;
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}
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elseif ($ip_from > 4294967296)
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{
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$ip_from = 4294967296;
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}
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if ($ip_to < 0)
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{
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$ip_to += 4294967296;
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}
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elseif ($ip_to > 4294967296)
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{
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$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 < $ip_from)
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{
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$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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{
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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 == $ip_from)
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{
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hesk_dbQuery("DELETE FROM `".hesk_dbEscape($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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