admin/admin_user_ban.php

   1 <?php
   2 /***************************************************************************
   3  *                            admin_user_ban.php
   4  *                            -------------------
   5  *   begin                : Tuesday, Jul 31, 2001
   6  *   copyright            : (C) 2001 The phpBB Group
   7  *   email                : support@phpbb.com
   8  *
   9  *   $Id: admin_user_ban.php,v 1.21.2.6 2005/10/30 15:17:13 acydburn Exp $
  10  *
  11  *
  12  ***************************************************************************/
  13
  14 /***************************************************************************
  15  *
  16  *   This program is free software; you can redistribute it and/or modify
  17  *   it under the terms of the GNU General Public License as published by
  18  *   the Free Software Foundation; either version 2 of the License, or
  19  *   (at your option) any later version.
  20  *
  21  ***************************************************************************/
  22
  23 define('IN_PHPBB', 1);
  24
  25 if ( !empty($setmodules) )
  26 {
  27         $filename = basename(__FILE__);
  28         $module['Users']['Ban_Management'] = $filename;
  29
  30         return;
  31 }
  32
  33 //
  34 // Load default header
  35 //
  36 $phpbb_root_path = './../';
  37 require($phpbb_root_path . 'extension.inc');
  38 require('./pagestart.' . $phpEx);
  39
  40 //
  41 // Start program
  42 //
  43 if ( isset($HTTP_POST_VARS['submit']) )
  44 {
  45         $user_bansql = '';
  46         $email_bansql = '';
  47         $ip_bansql = '';
  48
  49         $user_list = array();
  50         if ( !empty($HTTP_POST_VARS['username']) )
  51         {
  52                 $this_userdata = get_userdata($HTTP_POST_VARS['username'], true);
  53                 if( !$this_userdata )
  54                 {
  55                         message_die(GENERAL_MESSAGE, $lang['No_user_id_specified'] );
  56                 }
  57
  58                 $user_list[] = $this_userdata['user_id'];
  59         }
  60
  61         $ip_list = array();
  62         if ( isset($HTTP_POST_VARS['ban_ip']) )
  63         {
  64                 $ip_list_temp = explode(',', $HTTP_POST_VARS['ban_ip']);
  65
  66                 for($i = 0; $i < count($ip_list_temp); $i++)
  67                 {
  68                         if ( preg_match('/^([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})[ ]*\-[ ]*([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/', trim($ip_list_temp[$i]), $ip_range_explode) )
  69                         {
  70                                 //
  71                                 // Don't ask about all this, just don't ask ... !
  72                                 //
  73                                 $ip_1_counter = $ip_range_explode[1];
  74                                 $ip_1_end = $ip_range_explode[5];
  75
  76                                 while ( $ip_1_counter <= $ip_1_end )
  77                                 {
  78                                         $ip_2_counter = ( $ip_1_counter == $ip_range_explode[1] ) ? $ip_range_explode[2] : 0;
  79                                         $ip_2_end = ( $ip_1_counter < $ip_1_end ) ? 254 : $ip_range_explode[6];
  80
  81                                         if ( $ip_2_counter == 0 && $ip_2_end == 254 )
  82                                         {
  83                                                 $ip_2_counter = 255;
  84                                                 $ip_2_fragment = 255;
  85
  86                                                 $ip_list[] = encode_ip("$ip_1_counter.255.255.255");
  87                                         }
  88
  89                                         while ( $ip_2_counter <= $ip_2_end )
  90                                         {
  91                                                 $ip_3_counter = ( $ip_2_counter == $ip_range_explode[2] && $ip_1_counter == $ip_range_explode[1] ) ? $ip_range_explode[3] : 0;
  92                                                 $ip_3_end = ( $ip_2_counter < $ip_2_end || $ip_1_counter < $ip_1_end ) ? 254 : $ip_range_explode[7];
  93
  94                                                 if ( $ip_3_counter == 0 && $ip_3_end == 254 )
  95                                                 {
  96                                                         $ip_3_counter = 255;
  97                                                         $ip_3_fragment = 255;
  98
  99                                                         $ip_list[] = encode_ip("$ip_1_counter.$ip_2_counter.255.255");
 100                                                 }
 101
 102                                                 while ( $ip_3_counter <= $ip_3_end )
 103                                                 {
 104                                                         $ip_4_counter = ( $ip_3_counter == $ip_range_explode[3] && $ip_2_counter == $ip_range_explode[2] && $ip_1_counter == $ip_range_explode[1] ) ? $ip_range_explode[4] : 0;
 105                                                         $ip_4_end = ( $ip_3_counter < $ip_3_end || $ip_2_counter < $ip_2_end ) ? 254 : $ip_range_explode[8];
 106
 107                                                         if ( $ip_4_counter == 0 && $ip_4_end == 254 )
 108                                                         {
 109                                                                 $ip_4_counter = 255;
 110                                                                 $ip_4_fragment = 255;
 111
 112                                                                 $ip_list[] = encode_ip("$ip_1_counter.$ip_2_counter.$ip_3_counter.255");
 113                                                         }
 114
 115                                                         while ( $ip_4_counter <= $ip_4_end )
 116                                                         {
 117                                                                 $ip_list[] = encode_ip("$ip_1_counter.$ip_2_counter.$ip_3_counter.$ip_4_counter");
 118                                                                 $ip_4_counter++;
 119                                                         }
 120                                                         $ip_3_counter++;
 121                                                 }
 122                                                 $ip_2_counter++;
 123                                         }
 124                                         $ip_1_counter++;
 125                                 }
 126                         }
 127                         else if ( preg_match('/^([\w\-_]\.?){2,}$/is', trim($ip_list_temp[$i])) )
 128                         {
 129                                 $ip = gethostbynamel(trim($ip_list_temp[$i]));
 130
 131                                 for($j = 0; $j < count($ip); $j++)
 132                                 {
 133                                         if ( !empty($ip[$j]) )
 134                                         {
 135                                                 $ip_list[] = encode_ip($ip[$j]);
 136                                         }
 137                                 }
 138                         }
 139                         else if ( preg_match('/^([0-9]{1,3})\.([0-9\*]{1,3})\.([0-9\*]{1,3})\.([0-9\*]{1,3})$/', trim($ip_list_temp[$i])) )
 140                         {
 141                                 $ip_list[] = encode_ip(str_replace('*', '255', trim($ip_list_temp[$i])));
 142                         }
 143                 }
 144         }
 145
 146         $email_list = array();
 147         if ( isset($HTTP_POST_VARS['ban_email']) )
 148         {
 149                 $email_list_temp = explode(',', $HTTP_POST_VARS['ban_email']);
 150
 151                 for($i = 0; $i < count($email_list_temp); $i++)
 152                 {
 153                         //
 154                         // This ereg match is based on one by php@unreelpro.com
 155                         // contained in the annotated php manual at php.com (ereg
 156                         // section)
 157                         //
 158                         if (preg_match('/^(([a-z0-9&\'\.\-_\+])|(\*))+@(([a-z0-9\-])|(\*))+\.([a-z0-9\-]+\.)*?[a-z]+$/is', trim($email_list_temp[$i])))
 159                         {
 160                                 $email_list[] = trim($email_list_temp[$i]);
 161                         }
 162                 }
 163         }
 164
 165         $sql = "SELECT *
 166                 FROM " . BANLIST_TABLE;
 167         if ( !($result = $db->sql_query($sql)) )
 168         {
 169                 message_die(GENERAL_ERROR, "Couldn't obtain banlist information", "", __LINE__, __FILE__, $sql);
 170         }
 171
 172         $current_banlist = $db->sql_fetchrowset($result);
 173         $db->sql_freeresult($result);
 174
 175         $kill_session_sql = '';
 176         for($i = 0; $i < count($user_list); $i++)
 177         {
 178                 $in_banlist = false;
 179                 for($j = 0; $j < count($current_banlist); $j++)
 180                 {
 181                         if ( $user_list[$i] == $current_banlist[$j]['ban_userid'] )
 182                         {
 183                                 $in_banlist = true;
 184                         }
 185                 }
 186
 187                 if ( !$in_banlist )
 188                 {
 189                         $kill_session_sql .= ( ( $kill_session_sql != '' ) ? ' OR ' : '' ) . "session_user_id = " . $user_list[$i];
 190
 191                         $sql = "INSERT INTO " . BANLIST_TABLE . " (ban_userid)
 192                                 VALUES (" . $user_list[$i] . ")";
 193                         if ( !$db->sql_query($sql) )
 194                         {
 195                                 message_die(GENERAL_ERROR, "Couldn't insert ban_userid info into database", "", __LINE__, __FILE__, $sql);
 196                         }
 197                 }
 198         }
 199
 200         for($i = 0; $i < count($ip_list); $i++)
 201         {
 202                 $in_banlist = false;
 203                 for($j = 0; $j < count($current_banlist); $j++)
 204                 {
 205                         if ( $ip_list[$i] == $current_banlist[$j]['ban_ip'] )
 206                         {
 207                                 $in_banlist = true;
 208                         }
 209                 }
 210
 211                 if ( !$in_banlist )
 212                 {
 213                         if ( preg_match('/(ff\.)|(\.ff)/is', chunk_split($ip_list[$i], 2, '.')) )
 214                         {
 215                                 $kill_ip_sql = "session_ip LIKE '" . str_replace('.', '', preg_replace('/(ff\.)|(\.ff)/is', '%', chunk_split($ip_list[$i], 2, "."))) . "'";
 216                         }
 217                         else
 218                         {
 219                                 $kill_ip_sql = "session_ip = '" . $ip_list[$i] . "'";
 220                         }
 221
 222                         $kill_session_sql .= ( ( $kill_session_sql != '' ) ? ' OR ' : '' ) . $kill_ip_sql;
 223
 224                         $sql = "INSERT INTO " . BANLIST_TABLE . " (ban_ip)
 225                                 VALUES ('" . $ip_list[$i] . "')";
 226                         if ( !$db->sql_query($sql) )
 227                         {
 228                                 message_die(GENERAL_ERROR, "Couldn't insert ban_ip info into database", "", __LINE__, __FILE__, $sql);
 229                         }
 230                 }
 231         }
 232
 233         //
 234         // Now we'll delete all entries from the session table with any of the banned
 235         // user or IP info just entered into the ban table ... this will force a session
 236         // initialisation resulting in an instant ban
 237         //
 238         if ( $kill_session_sql != '' )
 239         {
 240                 $sql = "DELETE FROM " . SESSIONS_TABLE . "
 241                         WHERE $kill_session_sql";
 242                 if ( !$db->sql_query($sql) )
 243                 {
 244                         message_die(GENERAL_ERROR, "Couldn't delete banned sessions from database", "", __LINE__, __FILE__, $sql);
 245                 }
 246         }
 247
 248         for($i = 0; $i < count($email_list); $i++)
 249         {
 250                 $in_banlist = false;
 251                 for($j = 0; $j < count($current_banlist); $j++)
 252                 {
 253                         if ( $email_list[$i] == $current_banlist[$j]['ban_email'] )
 254                         {
 255                                 $in_banlist = true;
 256                         }
 257                 }
 258
 259                 if ( !$in_banlist )
 260                 {
 261                         $sql = "INSERT INTO " . BANLIST_TABLE . " (ban_email)
 262                                 VALUES ('" . str_replace("\'", "''", $email_list[$i]) . "')";
 263                         if ( !$db->sql_query($sql) )
 264                         {
 265                                 message_die(GENERAL_ERROR, "Couldn't insert ban_email info into database", "", __LINE__, __FILE__, $sql);
 266                         }
 267                 }
 268         }
 269
 270         $where_sql = '';
 271
 272         if ( isset($HTTP_POST_VARS['unban_user']) )
 273         {
 274                 $user_list = $HTTP_POST_VARS['unban_user'];
 275
 276                 for($i = 0; $i < count($user_list); $i++)
 277                 {
 278                         if ( $user_list[$i] != -1 )
 279                         {
 280                                 $where_sql .= ( ( $where_sql != '' ) ? ', ' : '' ) . intval($user_list[$i]);
 281                         }
 282                 }
 283         }
 284
 285         if ( isset($HTTP_POST_VARS['unban_ip']) )
 286         {
 287                 $ip_list = $HTTP_POST_VARS['unban_ip'];
 288
 289                 for($i = 0; $i < count($ip_list); $i++)
 290                 {
 291                         if ( $ip_list[$i] != -1 )
 292                         {
 293                                 $where_sql .= ( ( $where_sql != '' ) ? ', ' : '' ) . str_replace("\'", "''", $ip_list[$i]);
 294                         }
 295                 }
 296         }
 297
 298         if ( isset($HTTP_POST_VARS['unban_email']) )
 299         {
 300                 $email_list = $HTTP_POST_VARS['unban_email'];
 301
 302                 for($i = 0; $i < count($email_list); $i++)
 303                 {
 304                         if ( $email_list[$i] != -1 )
 305                         {
 306                                 $where_sql .= ( ( $where_sql != '' ) ? ', ' : '' ) . str_replace("\'", "''", $email_list[$i]);
 307                         }
 308                 }
 309         }
 310
 311         if ( $where_sql != '' )
 312         {
 313                 $sql = "DELETE FROM " . BANLIST_TABLE . "
 314                         WHERE ban_id IN ($where_sql)";
 315                 if ( !$db->sql_query($sql) )
 316                 {
 317                         message_die(GENERAL_ERROR, "Couldn't delete ban info from database", "", __LINE__, __FILE__, $sql);
 318                 }
 319         }
 320
 321         $message = $lang['Ban_update_sucessful'] . '<br /><br />' . sprintf($lang['Click_return_banadmin'], '<a href="' . append_sid("admin_user_ban.$phpEx") . '">', '</a>') . '<br /><br />' . sprintf($lang['Click_return_admin_index'], '<a href="' . append_sid("index.$phpEx?pane=right") . '">', '</a>');
 322
 323         message_die(GENERAL_MESSAGE, $message);
 324
 325 }
 326 else
 327 {
 328         $template->set_filenames(array(
 329                 'body' => 'admin/user_ban_body.tpl')
 330         );
 331
 332         $template->assign_vars(array(
 333                 'L_BAN_TITLE' => $lang['Ban_control'],
 334                 'L_BAN_EXPLAIN' => $lang['Ban_explain'],
 335                 'L_BAN_EXPLAIN_WARN' => $lang['Ban_explain_warn'],
 336                 'L_IP_OR_HOSTNAME' => $lang['IP_hostname'],
 337                 'L_EMAIL_ADDRESS' => $lang['Email_address'],
 338                 'L_SUBMIT' => $lang['Submit'],
 339                 'L_RESET' => $lang['Reset'],
 340
 341                 'S_BANLIST_ACTION' => append_sid("admin_user_ban.$phpEx"))
 342         );
 343
 344         $template->assign_vars(array(
 345                 'L_BAN_USER' => $lang['Ban_username'],
 346                 'L_BAN_USER_EXPLAIN' => $lang['Ban_username_explain'],
 347                 'L_BAN_IP' => $lang['Ban_IP'],
 348                 'L_BAN_IP_EXPLAIN' => $lang['Ban_IP_explain'],
 349                 'L_BAN_EMAIL' => $lang['Ban_email'],
 350                 'L_BAN_EMAIL_EXPLAIN' => $lang['Ban_email_explain'])
 351         );
 352
 353         $userban_count = 0;
 354         $ipban_count = 0;
 355         $emailban_count = 0;
 356
 357         $sql = "SELECT b.ban_id, u.user_id, u.username
 358                 FROM " . BANLIST_TABLE . " b, " . USERS_TABLE . " u
 359                 WHERE u.user_id = b.ban_userid
 360                         AND b.ban_userid <> 0
 361                         AND u.user_id <> " . ANONYMOUS . "
 362                 ORDER BY u.user_id ASC";
 363         if ( !($result = $db->sql_query($sql)) )
 364         {
 365                 message_die(GENERAL_ERROR, 'Could not select current user_id ban list', '', __LINE__, __FILE__, $sql);
 366         }
 367
 368         $user_list = $db->sql_fetchrowset($result);
 369         $db->sql_freeresult($result);
 370
 371         $select_userlist = '';
 372         for($i = 0; $i < count($user_list); $i++)
 373         {
 374                 $select_userlist .= '<option value="' . $user_list[$i]['ban_id'] . '">' . $user_list[$i]['username'] . '</option>';
 375                 $userban_count++;
 376         }
 377
 378         if( $select_userlist == '' )
 379         {
 380                 $select_userlist = '<option value="-1">' . $lang['No_banned_users'] . '</option>';
 381         }
 382
 383         $select_userlist = '<select name="unban_user[]" multiple="multiple" size="5">' . $select_userlist . '</select>';
 384
 385         $sql = "SELECT ban_id, ban_ip, ban_email
 386                 FROM " . BANLIST_TABLE;
 387         if ( !($result = $db->sql_query($sql)) )
 388         {
 389                 message_die(GENERAL_ERROR, 'Could not select current ip ban list', '', __LINE__, __FILE__, $sql);
 390         }
 391
 392         $banlist = $db->sql_fetchrowset($result);
 393         $db->sql_freeresult($result);
 394
 395         $select_iplist = '';
 396         $select_emaillist = '';
 397
 398         for($i = 0; $i < count($banlist); $i++)
 399         {
 400                 $ban_id = $banlist[$i]['ban_id'];
 401
 402                 if ( !empty($banlist[$i]['ban_ip']) )
 403                 {
 404                         $ban_ip = str_replace('255', '*', decode_ip($banlist[$i]['ban_ip']));
 405                         $select_iplist .= '<option value="' . $ban_id . '">' . $ban_ip . '</option>';
 406                         $ipban_count++;
 407                 }
 408                 else if ( !empty($banlist[$i]['ban_email']) )
 409                 {
 410                         $ban_email = $banlist[$i]['ban_email'];
 411                         $select_emaillist .= '<option value="' . $ban_id . '">' . $ban_email . '</option>';
 412                         $emailban_count++;
 413                 }
 414         }
 415
 416         if ( $select_iplist == '' )
 417         {
 418                 $select_iplist = '<option value="-1">' . $lang['No_banned_ip'] . '</option>';
 419         }
 420
 421         if ( $select_emaillist == '' )
 422         {
 423                 $select_emaillist = '<option value="-1">' . $lang['No_banned_email'] . '</option>';
 424         }
 425
 426         $select_iplist = '<select name="unban_ip[]" multiple="multiple" size="5">' . $select_iplist . '</select>';
 427         $select_emaillist = '<select name="unban_email[]" multiple="multiple" size="5">' . $select_emaillist . '</select>';
 428
 429         $template->assign_vars(array(
 430                 'L_UNBAN_USER' => $lang['Unban_username'],
 431                 'L_UNBAN_USER_EXPLAIN' => $lang['Unban_username_explain'],
 432                 'L_UNBAN_IP' => $lang['Unban_IP'],
 433                 'L_UNBAN_IP_EXPLAIN' => $lang['Unban_IP_explain'],
 434                 'L_UNBAN_EMAIL' => $lang['Unban_email'],
 435                 'L_UNBAN_EMAIL_EXPLAIN' => $lang['Unban_email_explain'],
 436                 'L_USERNAME' => $lang['Username'],
 437                 'L_LOOK_UP' => $lang['Look_up_User'],
 438                 'L_FIND_USERNAME' => $lang['Find_username'],
 439
 440                 'U_SEARCH_USER' => append_sid("./../search.$phpEx?mode=searchuser"),
 441                 'S_UNBAN_USERLIST_SELECT' => $select_userlist,
 442                 'S_UNBAN_IPLIST_SELECT' => $select_iplist,
 443                 'S_UNBAN_EMAILLIST_SELECT' => $select_emaillist,
 444                 'S_BAN_ACTION' => append_sid("admin_user_ban.$phpEx"))
 445         );
 446 }
 447
 448 $template->pparse('body');
 449
 450 include('./page_footer_admin.'.$phpEx);
 451
 452 ?>