X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=plugins%2Ffilters%2Ffilters.php;h=c1612453686b3b59146c0cb1b487024d256d1ad5;hp=52f5dfae5622dbd02b255b76100b426eb8b43c1d;hb=701e7beed3baca980039f978c6d536dd91cae775;hpb=cb2ccf4b70bc3028fc4c2dfefec9cd9d6e2149e1 diff --git a/plugins/filters/filters.php b/plugins/filters/filters.php index 52f5dfae..c1612453 100644 --- a/plugins/filters/filters.php +++ b/plugins/filters/filters.php @@ -1,348 +1,623 @@ _("Message Filters"), + 'url' => SM_PATH . 'plugins/filters/options.php', + 'desc' => _("Filtering enables messages with different criteria to be automatically filtered into different folders for easier organization."), + 'js' => false + ); + + if ($AllowSpamFilters) { + $optpage_blocks[] = array( + 'name' => _("SPAM Filters"), + 'url' => SM_PATH . 'plugins/filters/spamoptions.php', + 'desc' => _("SPAM filters allow you to select from various DNS based blacklists to detect junk email in your INBOX and move it to another folder (like Trash)."), + 'js' => false + ); + } +} - $data[] = $read; +/* Receive the status of the folder and do something with it */ +function filters_folder_status($statusarr) { - if (ereg("^\\* [0-9]+ FETCH.*\\{([0-9]+)\\}", $read, $regs)) { - $size = $regs[1]; - if ($imap_general_debug) { - echo "Size is $size
\n"; - } + global $filter_inbox_count; + if (empty($filter_inbox_count)) $filter_inbox_count=0; - $total_size = 0; - do { - $read = fgets($imap_stream, 9096); - if ($imap_general_debug) { - echo "$read
\n"; - flush(); - } - $data[] = $read; - $total_size += strlen($read); - } while ($total_size < $size); + if ($statusarr['MAILBOX'] == 'INBOX') + { + if (!empty($statusarr['MESSAGES'])) $filter_inbox_count=$statusarr['MESSAGES']; + } +} + +/** + * Saves the DNS Cache to disk + * @access private + */ +function filters_SaveCache () { + global $data_dir, $SpamFilters_DNScache; + + if (file_exists($data_dir . '/dnscache')) { + $fp = fopen($data_dir . '/dnscache', 'r'); + } else { + $fp = false; + } + if ($fp) { + flock($fp,LOCK_EX); + } else { + $fp = fopen($data_dir . '/dnscache', 'w+'); + fclose($fp); + $fp = fopen($data_dir . '/dnscache', 'r'); + flock($fp,LOCK_EX); + } + $fp1 = fopen($data_dir . '/dnscache', 'w+'); - $size = 0; - } - // For debugging purposes - if ($imap_general_debug) { - echo "$read
\n"; - flush(); + foreach ($SpamFilters_DNScache as $Key=> $Value) { + $tstr = $Key . ',' . $Value['L'] . ',' . $Value['T'] . "\n"; + fputs ($fp1, $tstr); + } + fclose($fp1); + flock($fp,LOCK_UN); + fclose($fp); +} + +/** + * Loads the DNS Cache from disk + * @access private + */ +function filters_LoadCache () { + global $data_dir, $SpamFilters_DNScache; + + if (file_exists($data_dir . '/dnscache')) { + $SpamFilters_DNScache = array(); + if ($fp = fopen ($data_dir . '/dnscache', 'r')) { + flock($fp,LOCK_SH); + while ($data = fgetcsv($fp,1024)) { + if ($data[2] > time()) { + $SpamFilters_DNScache[$data[0]]['L'] = $data[1]; + $SpamFilters_DNScache[$data[0]]['T'] = $data[2]; + } } - } while (true); - - $response = $regs[1]; - $message = trim($regs[2]); - - if ($imap_general_debug) echo '--
'; - - if ($handle_errors == false) - return $data; - - if ($response == 'NO') { - // ignore this error from m$ exchange, it is not fatal (aka bug) - if (strstr($message, 'command resulted in') === false) { - set_up_language($squirrelmail_language); - echo "
\n"; - echo _("ERROR : Could not complete request."); - echo "
\n"; - echo _("Reason Given: "); - echo $message . "
\n"; - exit; + flock($fp,LOCK_UN); + } + } +} + +/** + * Uses the BulkQuery executable to query all the RBLs at once + * @param array $filters Array of SPAM Filters + * @param array $IPs Array of IP Addresses + * @access private + */ +function filters_bulkquery($filters, $IPs) { + global $attachment_dir, $username, + $SpamFilters_DNScache, $SpamFilters_BulkQuery, + $SpamFilters_CacheTTL; + + if (count($IPs) > 0) { + $rbls = array(); + foreach ($filters as $key => $value) { + if ($filters[$key]['enabled']) { + if ($filters[$key]['dns']) { + $rbls[$filters[$key]['dns']] = true; + } } - } else if ($response == 'BAD') { - set_up_language($squirrelmail_language); - echo "
\n"; - echo _("ERROR : Bad or malformed request."); - echo "
\n"; - echo _("Server responded: "); - echo $message . "
\n"; - exit; } - return $data; + $bqfil = $attachment_dir . $username . '-bq.in'; + $fp = fopen($bqfil, 'w'); + fputs ($fp, $SpamFilters_CacheTTL . "\n"); + foreach ($rbls as $key => $value) { + fputs ($fp, '.' . $key . "\n"); + } + fputs ($fp, "----------\n"); + foreach ($IPs as $key => $value) { + fputs ($fp, $key . "\n"); + } + fclose ($fp); + $bqout = array(); + exec ($SpamFilters_BulkQuery . ' < ' . $bqfil, $bqout); + foreach ($bqout as $value) { + $Chunks = explode(',', $value); + $SpamFilters_DNScache[$Chunks[0]]['L'] = $Chunks[1]; + $SpamFilters_DNScache[$Chunks[0]]['T'] = $Chunks[2] + time(); + } + unlink($bqfil); + } +} + +/** + * Starts the filtering process + * @param array $hook_args (since 1.5.2) do hook arguments. Is used to check + * hook name, array key = 0. + * @access private + */ +function start_filters($hook_args) { + global $imapServerAddress, $imapPort, $imap_stream, $imapConnection, + $UseSeparateImapConnection, $AllowSpamFilters, $filter_inbox_count, + $username; + + /** + * check hook that calls filtering. If filters are called by right_main_after_header, + * do filtering only when we are in INBOX folder. + */ + if ($hook_args[0]=='right_main_after_header' && + (sqgetGlobalVar('mailbox',$mailbox,SQ_FORM) && $mailbox!='INBOX')) { + return; } + $filters = load_filters(); - function start_filters() { - global $mailbox, $username, $key, $imapServerAddress, $imapPort, $imap, - $imap_general, $filters, $imap_stream, $imapConnection, - $UseSeparateImapConnection, $AllowSpamFilters; + // No point running spam filters if there aren't any to run // + if ($AllowSpamFilters) { + $spamfilters = load_spam_filters(); - if ($mailbox == 'INBOX') { - // Detect if we have already connected to IMAP or not. - // Also check if we are forced to use a separate IMAP connection - if ((!isset($imap_stream) && !isset($imapConnection)) || - $UseSeparateImapConnection) { - $stream = sqimap_login($username, $key, $imapServerAddress, - $imapPort, 10); - $previously_connected = false; - } elseif (isset($imapConnection)) { - $stream = $imapConnection; - $previously_connected = true; - } else { - $previously_connected = true; - $stream = $imap_stream; + $AllowSpamFilters = false; + foreach($spamfilters as $value) { + if ($value['enabled'] == SMPREF_ON) { + $AllowSpamFilters = true; + break; } + } + } - if (sqimap_get_num_messages($stream, 'INBOX') > 0) { - // Filter spam from inbox before we sort them into folders - if ($AllowSpamFilters) - spam_filters($stream); + // No user filters, and no spam filters, no need to continue // + if (!$AllowSpamFilters && empty($filters)) { + return; + } - // Sort into folders - user_filters($stream); - } - if (!$previously_connected) - sqimap_logout($stream); - } + // Detect if we have already connected to IMAP or not. + // Also check if we are forced to use a separate IMAP connection + if ((!isset($imap_stream) && !isset($imapConnection)) || + $UseSeparateImapConnection ) { + $stream = sqimap_login($username, false, $imapServerAddress, + $imapPort, 10); + $previously_connected = false; + } else if (isset($imapConnection)) { + $stream = $imapConnection; + $previously_connected = true; + } else { + $previously_connected = true; + $stream = $imap_stream; } + if (!isset($filter_inbox_count)) { + $aStatus = sqimap_status_messages ($stream, 'INBOX', array('MESSAGES')); + if (!empty($aStatus['MESSAGES'])) { + $filter_inbox_count=$aStatus['MESSAGES']; + } else { + $filter_inbox_count=0; + } + } - function user_filters($imap_stream) { - $filters = load_filters(); - if (! $filters) return; + if ($filter_inbox_count > 0) { + sqimap_mailbox_select($stream, 'INBOX'); + // Filter spam from inbox before we sort them into folders + if ($AllowSpamFilters) { + spam_filters($stream); + } - sqimap_mailbox_select($imap_stream, 'INBOX'); + // Sort into folders + user_filters($stream); + } - // For every rule - for ($i=0; $i < count($filters); $i++) { - // If it is the "combo" rule - if ($filters[$i]['where'] == 'To or Cc') { - /* - * If it's "TO OR CC", we have to do two searches, one for TO - * and the other for CC. - */ - filter_search_and_delete($imap_stream, 'TO', - $filters[$i]['what'], $filters[$i]['folder']); - filter_search_and_delete($imap_stream, 'CC', - $filters[$i]['what'], $filters[$i]['folder']); - } else { - /* - * If it's a normal TO, CC, SUBJECT, or FROM, then handle it + if (!$previously_connected) { + sqimap_logout($stream); + } +} + +/** + * Does the loop through each filter + * @param stream imap_stream the stream to read from + * @access private + */ +function user_filters($imap_stream) { + global $data_dir, $username; + $filters = load_filters(); + if (! $filters) return; + $filters_user_scan = getPref($data_dir, $username, 'filters_user_scan'); + + $expunge = false; + // For every rule + for ($i=0, $num = count($filters); $i < $num; $i++) { + // If it is the "combo" rule + if ($filters[$i]['where'] == 'To or Cc') { + /* + * If it's "TO OR CC", we have to do two searches, one for TO + * and the other for CC. + */ + $expunge = filter_search_and_delete($imap_stream, 'TO', + $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $expunge); + $expunge = filter_search_and_delete($imap_stream, 'CC', + $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $expunge); + } else if ($filters[$i]['where'] == 'Header and Body') { + $expunge = filter_search_and_delete($imap_stream, 'TEXT', + $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $expunge); + } else if ($filters[$i]['where'] == 'Message Body') { + $expunge = filter_search_and_delete($imap_stream, 'BODY', + $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $expunge); + } else { + /* + * If it's a normal TO, CC, SUBJECT, or FROM, then handle it * normally. - */ - filter_search_and_delete($imap_stream, $filters[$i]['where'], - $filters[$i]['what'], $filters[$i]['folder']); - } + */ + $expunge = filter_search_and_delete($imap_stream, $filters[$i]['where'], + $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $expunge); } - // Clean out the mailbox whether or not auto_expunge is on - // That way it looks like it was redirected properly + } + // Clean out the mailbox whether or not auto_expunge is on + // That way it looks like it was redirected properly + if ($expunge) { sqimap_mailbox_expunge($imap_stream, 'INBOX'); } +} + +/** + * Creates and runs the IMAP command to filter messages + * @param string $imap_stream TODO: Document this parameter + * @param string $where Which part of the message to search (TO, CC, SUBJECT, etc...) + * @param string $what String to search for + * @param string $where_to Folder it will move to + * @param string $user_scan Whether to search all or just unseen + * @param string $should_expunge + * @access private + */ +function filter_search_and_delete($imap_stream, $where, $what, $where_to, $user_scan, + $should_expunge) { + global $languages, $squirrelmail_language, $allow_charset_search, $imap_server_type; + + //TODO: make use of new mailbox cache. See mailbox_display.phpinfo + + if (strtolower($where_to) == 'inbox') { + return array(); + } - function filter_search_and_delete($imap, $where, $what, $where_to) { - // Don't mess with the " characters on this fputs line! - fputs ($imap, 'a001 SEARCH ALL ' . $where . ' "' . addslashes($what) . - "\"\r\n"); - $read = filters_sqimap_read_data ($imap, 'a001', true, $response, $message); + if ($user_scan == 'new') { + $category = 'UNSEEN'; + } else { + $category = 'ALL'; + } + $category .= ' UNDELETED'; + + if ($allow_charset_search && + isset($languages[$squirrelmail_language]['CHARSET']) && + $languages[$squirrelmail_language]['CHARSET']) { + $search_str = 'SEARCH CHARSET ' + . strtoupper($languages[$squirrelmail_language]['CHARSET']) + . ' ' . $category; + } else { + $search_str = 'SEARCH CHARSET US-ASCII ' . $category; + } + if ($where == 'Header') { + $what = explode(':', $what); + $where = strtoupper($where); + $where = trim($where . ' ' . $what[0]); + $what = addslashes(trim($what[1])); + } - // This may have problems with EIMS due to it being goofy + // see comments in squirrelmail sqimap_search function + if ($imap_server_type == 'macosx' || $imap_server_type == 'hmailserver') { + $search_str .= ' ' . $where . ' ' . $what; + /* read data back from IMAP */ + $read = sqimap_run_command($imap_stream, $search_str, true, $response, $message, TRUE); + } else { + $search_str .= ' ' . $where . ' {' . strlen($what) . "}"; + $sid = sqimap_session_id(true); + fputs ($imap_stream, $sid . ' ' . $search_str . "\r\n"); + $read2 = sqimap_fgets($imap_stream); + # server should respond with Ready for argument, then we will send search text + #echo "RR2 $read2
"; + fputs ($imap_stream, "$what\r\n"); + #echo "SS $what
"; + $read2 = sqimap_fgets($imap_stream); + #echo "RR2 $read2
"; + $read[]=$read2; + $read3 = sqimap_fgets($imap_stream); + #echo "RR3 $read3
"; + list($rtag,$response,$message)=explode(' ',$read3,3); +## $read2 = sqimap_retrieve_imap_response($imap_stream, $sid, true, +## $response, $message, $search_str, false, true, false); + #echo "RR2 $read2 / RESPONSE $response
"; + } - for ($r=0; $r < count($read) && - substr($read[$r], 0, 8) != '* SEARCH'; $r++) {} - if ($response == 'OK') { - $ids = explode(' ', $read[$r]); - if (sqimap_mailbox_exists($imap, $where_to)) { - for ($j=2; $j < count($ids); $j++) { - $id = trim($ids[$j]); - sqimap_messages_copy ($imap, $id, $id, $where_to); - sqimap_messages_flag ($imap, $id, $id, 'Deleted'); + if (isset($read[0])) { + $ids = array(); + for ($i = 0, $iCnt = count($read); $i < $iCnt; ++$i) { + if (preg_match("/^\* SEARCH (.+)$/", $read[$i], $regs)) { + $ids += explode(' ', trim($regs[1])); + } + } + if ($response == 'OK' && count($ids)) { + if (sqimap_mailbox_exists($imap_stream, $where_to)) { + $should_expunge = true; + sqimap_msgs_list_move ($imap_stream, $ids, $where_to, false); + } + } elseif ($response != 'OK') { + $query = $search_str . "\r\n".$what ."\r\n"; + if ($response == 'NO') { + if (strpos($message,'BADCHARSET') !== false || + strpos($message,'character') !== false) { + sqm_trigger_imap_error('SQM_IMAP_BADCHARSET',$query, $response, $message); + } else { + sqm_trigger_imap_error('SQM_IMAP_ERROR',$query, $response, $message); } + } else { + sqm_trigger_imap_error('SQM_IMAP_ERROR',$query, $response, $message); } } } + return $should_expunge; +} + +/** + * Loops through all the Received Headers to find IP Addresses + * @param stream imap_stream the stream to read from + * @access private + */ +function spam_filters($imap_stream) { + global $data_dir, $username; + global $SpamFilters_YourHop; + global $SpamFilters_DNScache; + global $SpamFilters_SharedCache; + global $SpamFilters_BulkQuery; + global $SpamFilters_CacheTTL; + + $filters_spam_scan = getPref($data_dir, $username, 'filters_spam_scan'); + $filters_spam_folder = getPref($data_dir, $username, 'filters_spam_folder'); + $filters = load_spam_filters(); + + if ($SpamFilters_SharedCache) { + filters_LoadCache(); + } - // These are the spam filters - function spam_filters($imap_stream) { - global $data_dir, $username; - global $SpamFilters_YourHop; - global $SpamFilters_DNScache; - - $filters_spam_scan = getPref($data_dir, $username, 'filters_spam_scan'); - $filters_spam_folder = getPref($data_dir, $username, 'filters_spam_folder'); - $filters = load_spam_filters(); - - $run = 0; - - foreach ($filters as $Key=> $Value) { - if ($Value['enabled']) - $run ++; - } + $run = false; - // short-circuit - if ($run == 0) { - return; + foreach ($filters as $Value) { + if ($Value['enabled']) { + $run = true; + break; } + } - sqimap_mailbox_select($imap_stream, 'INBOX'); - - // Ask for a big list of all "Received" headers in the inbox with - // flags for each message. Kinda big. - fputs($imap_stream, 'A3999 FETCH 1:* (FLAGS BODY.PEEK[HEADER.FIELDS ' . - "(RECEIVED)])\r\n"); - - $read = filters_sqimap_read_data ($imap_stream, 'A3999', true, $response, $message); - - if ($response != 'OK') - return; - - $i = 0; - while ($i < count($read)) { - // EIMS will give funky results - $Chunks = explode(' ', $read[$i]); - if ($Chunks[0] != '*') { - $i ++; - continue; - } - $MsgNum = $Chunks[1]; - - $IPs = array(); - $i ++; - $IsSpam = 0; - $Scan = 1; + // short-circuit + if (!$run) { + return; + } - // Check for normal IMAP servers - if ($filters_spam_scan == 'new') { - if (is_int(strpos($Chunks[4], '\Seen'))) { - $Scan = 0; + // Ask for a big list of all "Received" headers in the inbox with + // flags for each message. Kinda big. + + if ($filters_spam_scan == 'new') { + $search_array = array(); + $read = sqimap_run_command($imap_stream, 'SEARCH UNSEEN', true, $response, $message, TRUE); + if (isset($read[0])) { + for ($i = 0, $iCnt = count($read); $i < $iCnt; ++$i) { + if (preg_match("/^\* SEARCH (.+)$/", $read[$i], $regs)) { + $search_array = explode(' ', trim($regs[1])); + break; } } - + } + } + if ($filters_spam_scan == 'new' && count($search_array)) { + $headers = sqimap_get_small_header_list ($imap_stream, $search_array, array('Received'),array()); + } else if ($filters_spam_scan != 'new') { + $headers = sqimap_get_small_header_list ($imap_stream, null , array('Received'),array()); + } else { + return; + } + if (!count($headers)) { + return; + } + $bulkquery = (strlen($SpamFilters_BulkQuery) > 0 ? true : false); + $IPs = array(); + $aSpamIds = array(); + foreach ($headers as $id => $aValue) { + if (isset($aValue['UID'])) { + $MsgNum = $aValue['UID']; + } else { + $MsgNum = $id; + } // Look through all of the Received headers for IP addresses - // Stop when I get ")" on a line - // Stop if I get "*" on a line (don't advance) - // and above all, stop if $i is bigger than the total # of lines - while (($i < count($read)) && - ($read[$i][0] != ')' && $read[$i][0] != '*' && - $read[$i][0] != "\n") && (! $IsSpam)) - { + if (isset($aValue['RECEIVED'])) { + foreach ($aValue['RECEIVED'] as $received) { // Check to see if this line is the right "Received from" line // to check - if (is_int(strpos($read[$i], $SpamFilters_YourHop))) { - - // short-circuit and skip work if we don't scan this one - if ($Scan) { - $read[$i] = ereg_replace('[^0-9\.]', ' ', $read[$i]); - $elements = explode(' ', $read[$i]); - foreach ($elements as $value) { - if ($value != '' && - ereg('[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}', - $value, $regs)) { - $Chunks = explode('.', $value); - if (filters_spam_check_site($Chunks[0], $Chunks[1], - $Chunks[2], $Chunks[3], $filters)) { - $IsSpam ++; - break; // no sense in checking more IPs + + // $aValue['Received'] is an array with all the received lines. + // We should check them from bottom to top and only check the first 2. + // Currently we check only the header where $SpamFilters_YourHop in occures + + if (is_int(strpos($received, $SpamFilters_YourHop))) { + if (preg_match('/([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})/',$received,$aMatch)) { + $isspam = false; + if (filters_spam_check_site($aMatch[1],$aMatch[2],$aMatch[3],$aMatch[4],$filters)) { + $aSpamIds[] = $MsgNum; + $isspam = true; + } + + if ($bulkquery) { + array_shift($aMatch); + $IP = explode('.', $aMatch); + foreach ($filters as $key => $value) { + if ($filters[$key]['enabled'] && $filters[$key]['dns']) { + if (strlen($SpamFilters_DNScache[$IP.'.'.$filters[$key]['dns']]) == 0) { + $IPs[$IP] = true; + break; + } + } } } + // If we've checked one IP and YourHop is + // just a space + if ($SpamFilters_YourHop == ' ' || $isspam) { + break; // don't check any more } } } - $i ++; - } - - // Lookie! It's spam! Yum! - if ($IsSpam) { - if (sqimap_mailbox_exists ($imap_stream, $filters_spam_folder)) { - sqimap_messages_copy ($imap_stream, $MsgNum, $MsgNum, - $filters_spam_folder); - sqimap_messages_flag ($imap_stream, $MsgNum, $MsgNum, - 'Deleted'); - } - } else { } } - + } + // Lookie! It's spam! Yum! + if (count($aSpamIds) && sqimap_mailbox_exists($imap_stream, $filters_spam_folder)) { + sqimap_msgs_list_move($imap_stream, $aSpamIds, $filters_spam_folder); sqimap_mailbox_expunge($imap_stream, 'INBOX'); + } - session_register('SpamFilters_DNScache'); + if ($bulkquery && count($IPs)) { + filters_bulkquery($filters, $IPs); } + if ($SpamFilters_SharedCache) { + filters_SaveCache(); + } else { + sqsession_register($SpamFilters_DNScache, 'SpamFilters_DNScache'); + } +} + +/** + * Does the loop through each enabled filter for the specified IP address. + * IP format: $a.$b.$c.$d + * @param int $a First subset of IP + * @param int $b Second subset of IP + * @param int $c Third subset of IP + * @param int $d Forth subset of IP + * @param array $filters The Spam Filters + * @return boolean Whether the IP is Spam + * @access private + */ +function filters_spam_check_site($a, $b, $c, $d, &$filters) { + global $SpamFilters_DNScache, $SpamFilters_CacheTTL; + foreach ($filters as $key => $value) { + if ($filters[$key]['enabled']) { + if ($filters[$key]['dns']) { + + /** + * RFC allows . on end of hostname to force domain lookup to + * not use search domain from resolv.conf, i.e. to ensure + * search domain isn't used if no hostname is found + */ + $filter_revip = $d . '.' . $c . '.' . $b . '.' . $a . '.' . + $filters[$key]['dns'] . '.'; + + if(!isset($SpamFilters_DNScache[$filter_revip]['L'])) + $SpamFilters_DNScache[$filter_revip]['L'] = ''; + + if(!isset($SpamFilters_DNScache[$filter_revip]['T'])) + $SpamFilters_DNScache[$filter_revip]['T'] = ''; + + if (strlen($SpamFilters_DNScache[$filter_revip]['L']) == 0) { + $SpamFilters_DNScache[$filter_revip]['L'] = + gethostbyname($filter_revip); + $SpamFilters_DNScache[$filter_revip]['T'] = + time() + $SpamFilters_CacheTTL; + } - // Does the loop through each enabled filter for the specified IP address. - // IP format: $a.$b.$c.$d - function filters_spam_check_site($a, $b, $c, $d, &$filters) { - global $SpamFilters_DNScache; - foreach ($filters as $key => $value) { - if ($filters[$key]['enabled']) { - if ($filters[$key]['dns']) { - $filter_revip = $d . '.' . $c . '.' . $b . '.' . $a . '.' . - $filters[$key]['dns']; - if (strlen($SpamFilters_DNScache[$filter_revip]) == 0) { - $SpamFilters_DNScache[$filter_revip]=gethostbyname($filter_revip); - } - if ($SpamFilters_DNScache[$filter_revip] == - $filters[$key]['result']) { - return 1; - } + /** + * gethostbyname returns ip if resolved, or returns original + * host supplied to function if there is no resolution + */ + if ($SpamFilters_DNScache[$filter_revip]['L'] != $filter_revip) { + return 1; } } } - return 0; } - - function load_filters() { - global $data_dir, $username; - $filters = array(); - for ($i=0; $fltr = getPref($data_dir, $username, 'filter' . $i); $i++) { - $ary = explode(',', $fltr); - $filters[$i]['where'] = $ary[0]; - $filters[$i]['what'] = $ary[1]; - $filters[$i]['folder'] = $ary[2]; - } - return $filters; + return 0; +} + +/** + * Loads the filters from the user preferences + * @return array All the user filters + * @access private + */ +function load_filters() { + global $data_dir, $username; + + $filters = array(); + for ($i = 0; $fltr = getPref($data_dir, $username, 'filter' . $i); $i++) { + $ary = explode(',', $fltr); + $filters[$i]['where'] = $ary[0]; + $filters[$i]['what'] = str_replace('###COMMA###', ',', $ary[1]); + $filters[$i]['folder'] = $ary[2]; } - - function load_spam_filters() { - global $data_dir, $username; - + return $filters; +} + +/** + * Loads the Spam Filters and checks the preferences for the enabled status + * @return array All the spam filters + * @access private + */ +function load_spam_filters() { + global $data_dir, $username, $SpamFilters_ShowCommercial; + + if ($SpamFilters_ShowCommercial) { $filters['MAPS RBL']['prefname'] = 'filters_spam_maps_rbl'; $filters['MAPS RBL']['name'] = 'MAPS Realtime Blackhole List'; $filters['MAPS RBL']['link'] = 'http://www.mail-abuse.org/rbl/'; $filters['MAPS RBL']['dns'] = 'blackholes.mail-abuse.org'; $filters['MAPS RBL']['result'] = '127.0.0.2'; $filters['MAPS RBL']['comment'] = - _("COMMERCIAL - This list contains servers that are verified spam senders. It is a pretty reliable list to scan spam from."); + _("COMMERCIAL - This list contains servers that are verified spam senders. It is a pretty reliable list to scan spam from."); $filters['MAPS RSS']['prefname'] = 'filters_spam_maps_rss'; $filters['MAPS RSS']['name'] = 'MAPS Relay Spam Stopper'; @@ -350,7 +625,7 @@ $filters['MAPS RSS']['dns'] = 'relays.mail-abuse.org'; $filters['MAPS RSS']['result'] = '127.0.0.2'; $filters['MAPS RSS']['comment'] = - _("COMMERCIAL - Servers that are configured (or misconfigured) to allow spam to be relayed through their system will be banned with this. Another good one to use."); + _("COMMERCIAL - Servers that are configured (or misconfigured) to allow spam to be relayed through their system will be banned with this. Another good one to use."); $filters['MAPS DUL']['prefname'] = 'filters_spam_maps_dul'; $filters['MAPS DUL']['name'] = 'MAPS Dial-Up List'; @@ -358,7 +633,7 @@ $filters['MAPS DUL']['dns'] = 'dialups.mail-abuse.org'; $filters['MAPS DUL']['result'] = '127.0.0.3'; $filters['MAPS DUL']['comment'] = - _("COMMERCIAL - Dial-up users are often filtered out since they should use their ISP's mail servers to send mail. Spammers typically get a dial-up account and send spam directly from there."); + _("COMMERCIAL - Dial-up users are often filtered out since they should use their ISP's mail servers to send mail. Spammers typically get a dial-up account and send spam directly from there."); $filters['MAPS RBLplus-RBL']['prefname'] = 'filters_spam_maps_rblplus_rbl'; $filters['MAPS RBLplus-RBL']['name'] = 'MAPS RBL+ RBL List'; @@ -366,7 +641,7 @@ $filters['MAPS RBLplus-RBL']['dns'] = 'rbl-plus.mail-abuse.org'; $filters['MAPS RBLplus-RBL']['result'] = '127.0.0.2'; $filters['MAPS RBLplus-RBL']['comment'] = - _("COMMERCIAL - RBL+ Blackhole entries."); + _("COMMERCIAL - RBL+ Blackhole entries."); $filters['MAPS RBLplus-RSS']['prefname'] = 'filters_spam_maps_rblplus_rss'; $filters['MAPS RBLplus-RSS']['name'] = 'MAPS RBL+ List RSS entries'; @@ -374,7 +649,7 @@ $filters['MAPS RBLplus-RSS']['dns'] = 'rbl-plus.mail-abuse.org'; $filters['MAPS RBLplus-RSS']['result'] = '127.0.0.2'; $filters['MAPS RBLplus-RSS']['comment'] = - _("COMMERCIAL - RBL+ OpenRelay entries."); + _("COMMERCIAL - RBL+ OpenRelay entries."); $filters['MAPS RBLplus-DUL']['prefname'] = 'filters_spam_maps_rblplus_dul'; $filters['MAPS RBLplus-DUL']['name'] = 'MAPS RBL+ List DUL entries'; @@ -382,213 +657,275 @@ $filters['MAPS RBLplus-DUL']['dns'] = 'rbl-plus.mail-abuse.org'; $filters['MAPS RBLplus-DUL']['result'] = '127.0.0.3'; $filters['MAPS RBLplus-DUL']['comment'] = - _("COMMERCIAL - RBL+ Dial-up entries."); - - $filters['Osirusoft Relays']['prefname'] = 'filters_spam_maps_osirusoft_relay'; - $filters['Osirusoft Relays']['name'] = 'Osirusoft Relay List'; - $filters['Osirusoft Relays']['link'] = 'http://relays.osirusoft.com/'; - $filters['Osirusoft Relays']['dns'] = 'relays.osirusoft.com'; - $filters['Osirusoft Relays']['result'] = '127.0.0.2'; - $filters['Osirusoft Relays']['comment'] = - _("FREE - Osirusoft Relays - Osirusofts list of verified open relays. Seems to include servers used by abuse@uunet.net auto-replies too."); - - $filters['Osirusoft DUL']['prefname'] = 'filters_spam_maps_osirusoft_dul'; - $filters['Osirusoft DUL']['name'] = 'Osirusoft Dialup List'; - $filters['Osirusoft DUL']['link'] = 'http://relays.osirusoft.com/'; - $filters['Osirusoft DUL']['dns'] = 'relays.osirusoft.com'; - $filters['Osirusoft DUL']['result'] = '127.0.0.3'; - $filters['Osirusoft DUL']['comment'] = - _("FREE - Osirusoft Dialups - Osirusofts Dialup Spam Source list."); - - $filters['Osirusoft Spam Source']['prefname'] = 'filters_spam_maps_osirusoft_rc'; - $filters['Osirusoft Spam Source']['name'] = 'Osirusoft Confirmed Spam Source List'; - $filters['Osirusoft Spam Source']['link'] = 'http://relays.osirusoft.com/'; - $filters['Osirusoft Spam Source']['dns'] = 'relays.osirusoft.com'; - $filters['Osirusoft Spam Source']['result'] = '127.0.0.4'; - $filters['Osirusoft Spam Source']['comment'] = - _("FREE - Osirusoft Confirmed Spam Source - Sites that continually spam and have been manually added after multiple nominations. Use with caution. Seems to catch abuse auto-replies from some ISPs."); - - $filters['Osirusoft Smart Host']['prefname'] = 'filters_spam_maps_osirusoft_sh'; - $filters['Osirusoft Smart Host']['name'] = 'Osirusoft Smart Host List'; - $filters['Osirusoft Smart Host']['link'] = 'http://relays.osirusoft.com/'; - $filters['Osirusoft Smart Host']['dns'] = 'relays.osirusoft.com'; - $filters['Osirusoft Smart Host']['result'] = '127.0.0.5'; - $filters['Osirusoft Smart Host']['comment'] = - _("FREE - Osirusoft Smart Hosts - List of hosts that are secure but relay for other mail servers that are not secure."); - - $filters['Osirusoft SPAMware']['prefname'] = 'filters_spam_maps_osirusoft_ss'; - $filters['Osirusoft SPAMware']['name'] = 'Osirusoft Spamware Developers List'; - $filters['Osirusoft SPAMware']['link'] = 'http://relays.osirusoft.com/'; - $filters['Osirusoft SPAMware']['dns'] = 'relays.osirusoft.com'; - $filters['Osirusoft SPAMware']['result'] = '127.0.0.6'; - $filters['Osirusoft SPAMware']['comment'] = - _("FREE - Osirusoft Spamware Developers - It is believed that these are IP ranges of companies that are known to produce spam software. Seems to catch abuse auto-replies from some ISPs."); - - $filters['Osirusoft Unc. OptIn']['prefname'] = 'filters_spam_maps_osirusoft_sl'; - $filters['Osirusoft Unc. OptIn']['name'] = 'Osirusoft Unconfirmed OptIn Server List'; - $filters['Osirusoft Unc. OptIn']['link'] = 'http://relays.osirusoft.com/'; - $filters['Osirusoft Unc. OptIn']['dns'] = 'relays.osirusoft.com'; - $filters['Osirusoft Unc. OptIn']['result'] = '127.0.0.7'; - $filters['Osirusoft Unc. OptIn']['comment'] = - _("FREE - Osirusoft Unconfirmed OptIn Servers - List of listservers that opt users in without confirmation."); - - $filters['ORDB']['prefname'] = 'filters_spam_ordb'; - $filters['ORDB']['name'] = 'Open Relay Database List'; - $filters['ORDB']['link'] = 'http://www.ordb.org/'; - $filters['ORDB']['dns'] = 'relays.ordb.org'; - $filters['ORDB']['result'] = '127.0.0.2'; - $filters['ORDB']['comment'] = - _("FREE - ORDB was born when ORBS went off the air. It seems to have fewer false positives than ORBS did though."); - - $filters['ORBZ Inputs']['prefname'] = 'filters_spam_orbz'; - $filters['ORBZ Inputs']['name'] = 'ORBZ Inputs List'; - $filters['ORBZ Inputs']['link'] = 'http://www.orbz.org/'; - $filters['ORBZ Inputs']['dns'] = 'inputs.orbz.org'; - $filters['ORBZ Inputs']['result'] = '127.0.0.2'; - $filters['ORBZ Inputs']['comment'] = - _("FREE - Another ORBS replacement (just the INPUTS database used here)."); - - $filters['ORBZ Outputs']['prefname'] = 'filters_spam_orbz_outputs'; - $filters['ORBZ Outputs']['name'] = 'ORBZ Outputs List'; - $filters['ORBZ Outputs']['link'] = 'http://www.orbz.org/'; - $filters['ORBZ Outputs']['dns'] = 'outputs.orbz.org'; - $filters['ORBZ Outputs']['result'] = '127.0.0.2'; - $filters['ORBZ Outputs']['comment'] = - _("FREE - Another ORBS replacement (just the OUTPUTS database used here)."); - - $filters['FiveTen Direct']['prefname'] = 'filters_spam_fiveten_src'; - $filters['FiveTen Direct']['name'] = 'Five-Ten-sg.com Direct SPAM Sources'; - $filters['FiveTen Direct']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; - $filters['FiveTen Direct']['dns'] = 'blackholes.five-ten-sg.com'; - $filters['FiveTen Direct']['result'] = '127.0.0.2'; - $filters['FiveTen Direct']['comment'] = - _("FREE - Five-Ten-sg.com - Direct SPAM sources."); - - $filters['FiveTen DUL']['prefname'] = 'filters_spam_fiveten_dul'; - $filters['FiveTen DUL']['name'] = 'Five-Ten-sg.com DUL Lists'; - $filters['FiveTen DUL']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; - $filters['FiveTen DUL']['dns'] = 'blackholes.five-ten-sg.com'; - $filters['FiveTen DUL']['result'] = '127.0.0.3'; - $filters['FiveTen DUL']['comment'] = - _("FREE - Five-Ten-sg.com - Dial-up lists - includes some DSL IPs."); - - $filters['FiveTen Unc. OptIn']['prefname'] = 'filters_spam_fiveten_oi'; - $filters['FiveTen Unc. OptIn']['name'] = 'Five-Ten-sg.com Unconfirmed OptIn Lists'; - $filters['FiveTen Unc. OptIn']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; - $filters['FiveTen Unc. OptIn']['dns'] = 'blackholes.five-ten-sg.com'; - $filters['FiveTen Unc. OptIn']['result'] = '127.0.0.4'; - $filters['FiveTen Unc. OptIn']['comment'] = - _("FREE - Five-Ten-sg.com - Bulk mailers that do not use confirmed opt-in."); - - $filters['FiveTen Others']['prefname'] = 'filters_spam_fiveten_oth'; - $filters['FiveTen Others']['name'] = 'Five-Ten-sg.com Other Misc. Servers'; - $filters['FiveTen Others']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; - $filters['FiveTen Others']['dns'] = 'blackholes.five-ten-sg.com'; - $filters['FiveTen Others']['result'] = '127.0.0.5'; - $filters['FiveTen Others']['comment'] = - _("FREE - Five-Ten-sg.com - Other misc. servers."); - - $filters['FiveTen Single Stage']['prefname'] = 'filters_spam_fiveten_ss'; - $filters['FiveTen Single Stage']['name'] = 'Five-Ten-sg.com Single Stage Servers'; - $filters['FiveTen Single Stage']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; - $filters['FiveTen Single Stage']['dns'] = 'blackholes.five-ten-sg.com'; - $filters['FiveTen Single Stage']['result'] = '127.0.0.6'; - $filters['FiveTen Single Stage']['comment'] = - _("FREE - Five-Ten-sg.com - Single Stage servers."); - - $filters['FiveTen SPAM Support']['prefname'] = 'filters_spam_fiveten_supp'; - $filters['FiveTen SPAM Support']['name'] = 'Five-Ten-sg.com SPAM Support Servers'; - $filters['FiveTen SPAM Support']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; - $filters['FiveTen SPAM Support']['dns'] = 'blackholes.five-ten-sg.com'; - $filters['FiveTen SPAM Support']['result'] = '127.0.0.7'; - $filters['FiveTen SPAM Support']['comment'] = - _("FREE - Five-Ten-sg.com - SPAM Support servers."); - - $filters['FiveTen Web forms']['prefname'] = 'filters_spam_fiveten_wf'; - $filters['FiveTen Web forms']['name'] = 'Five-Ten-sg.com Web Form IPs'; - $filters['FiveTen Web forms']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; - $filters['FiveTen Web forms']['dns'] = 'blackholes.five-ten-sg.com'; - $filters['FiveTen Web forms']['result'] = '127.0.0.8'; - $filters['FiveTen Web forms']['comment'] = - _("FREE - Five-Ten-sg.com - Web Form IPs."); - - $filters['Dorkslayers']['prefname'] = 'filters_spam_dorks'; - $filters['Dorkslayers']['name'] = 'Dorkslayers Lists'; - $filters['Dorkslayers']['link'] = 'http://www.dorkslayers.com'; - $filters['Dorkslayers']['dns'] = 'orbs.dorkslayers.com'; - $filters['Dorkslayers']['result'] = '127.0.0.2'; - $filters['Dorkslayers']['comment'] = - _("FREE - Dorkslayers appears to include only really bad open relays outside the US to avoid being sued. Interestingly enough, their website recommends you NOT use their service."); - - $filters['ORBL']['prefname'] = 'filters_spam_orbl'; - $filters['ORBL']['name'] = 'ORBL Lists'; - $filters['ORBL']['link'] = 'http://www.orbl.org'; - $filters['ORBL']['dns'] = 'or.orbl.org'; - $filters['ORBL']['result'] = '127.0.0.2'; - $filters['ORBL']['comment'] = - _("FREE - ORBL is another ORBS spinoff formed after ORBS shut down. May be SLOOOOOOW!"); - - $filters['ORBZ-UK Inputs']['prefname'] = 'filters_spam_orbzuk_in'; - $filters['ORBZ-UK Inputs']['name'] = 'ORBZ-UK Inputs Lists'; - $filters['ORBZ-UK Inputs']['link'] = 'http://orbz.gst-group.co.uk'; - $filters['ORBZ-UK Inputs']['dns'] = 'orbz.gst-group.co.uk'; - $filters['ORBZ-UK Inputs']['result'] = '127.0.0.3'; - $filters['ORBZ-UK Inputs']['comment'] = - _("FREE - orbz.gst-group.co.uk - Inputs only."); - - $filters['ORBZ-UK Outputs']['prefname'] = 'filters_spam_orbzuk_out'; - $filters['ORBZ-UK Outputs']['name'] = 'ORBZ-UK Outputs Lists'; - $filters['ORBZ-UK Outputs']['link'] = 'http://orbz.gst-group.co.uk'; - $filters['ORBZ-UK Outputs']['dns'] = 'orbz.gst-group.co.uk'; - $filters['ORBZ-UK Outputs']['result'] = '127.0.0.2'; - $filters['ORBZ-UK Outputs']['comment'] = - _("FREE - orbz.gst-group.co.uk - Outputs only."); - - $filters['ORBZ-UK Postmaster']['prefname'] = 'filters_spam_orbzuk_pst'; - $filters['ORBZ-UK Postmaster']['name'] = 'ORBZ-UK Postmaster Bouncer Lists'; - $filters['ORBZ-UK Postmaster']['link'] = 'http://orbz.gst-group.co.uk'; - $filters['ORBZ-UK Postmaster']['dns'] = 'orbz.gst-group.co.uk'; - $filters['ORBZ-UK Postmaster']['result'] = '127.0.0.9'; - $filters['ORBZ-UK Postmaster']['comment'] = - _("FREE - orbz.gst-group.co.uk - mailservers that refuse or bounce email addressed to postmaster@."); - - $filters['SPAMcop']['prefname'] = 'filters_spam_spamcop'; - $filters['SPAMcop']['name'] = 'SPAM Cop Lists'; - $filters['SPAMcop']['link'] = 'http://spamcop.net/bl.shtml'; - $filters['SPAMcop']['dns'] = 'bl.spamcop.net'; - $filters['SPAMcop']['result'] = '127.0.0.2'; - $filters['SPAMcop']['comment'] = - _("FREE, for now - SPAMCOP - An interesting solution that lists servers that have a very high spam to legit email ratio (85% or more)."); - - foreach ($filters as $Key => $Value) { - $filters[$Key]['enabled'] = getPref($data_dir, $username, - $filters[$Key]['prefname']); - } + _("COMMERCIAL - RBL+ Dial-up entries."); + } - return $filters; + $filters['FiveTen Direct']['prefname'] = 'filters_spam_fiveten_src'; + $filters['FiveTen Direct']['name'] = 'Five-Ten-sg.com Direct SPAM Sources'; + $filters['FiveTen Direct']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; + $filters['FiveTen Direct']['dns'] = 'blackholes.five-ten-sg.com'; + $filters['FiveTen Direct']['result'] = '127.0.0.2'; + $filters['FiveTen Direct']['comment'] = + _("FREE - Five-Ten-sg.com - Direct SPAM sources."); + + $filters['FiveTen DUL']['prefname'] = 'filters_spam_fiveten_dul'; + $filters['FiveTen DUL']['name'] = 'Five-Ten-sg.com DUL Lists'; + $filters['FiveTen DUL']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; + $filters['FiveTen DUL']['dns'] = 'blackholes.five-ten-sg.com'; + $filters['FiveTen DUL']['result'] = '127.0.0.3'; + $filters['FiveTen DUL']['comment'] = + _("FREE - Five-Ten-sg.com - Dial-up lists - includes some DSL IPs."); + + $filters['FiveTen Unc. OptIn']['prefname'] = 'filters_spam_fiveten_oi'; + $filters['FiveTen Unc. OptIn']['name'] = 'Five-Ten-sg.com Unconfirmed OptIn Lists'; + $filters['FiveTen Unc. OptIn']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; + $filters['FiveTen Unc. OptIn']['dns'] = 'blackholes.five-ten-sg.com'; + $filters['FiveTen Unc. OptIn']['result'] = '127.0.0.4'; + $filters['FiveTen Unc. OptIn']['comment'] = + _("FREE - Five-Ten-sg.com - Bulk mailers that do not use confirmed opt-in."); + + $filters['FiveTen Others']['prefname'] = 'filters_spam_fiveten_oth'; + $filters['FiveTen Others']['name'] = 'Five-Ten-sg.com Other Misc. Servers'; + $filters['FiveTen Others']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; + $filters['FiveTen Others']['dns'] = 'blackholes.five-ten-sg.com'; + $filters['FiveTen Others']['result'] = '127.0.0.5'; + $filters['FiveTen Others']['comment'] = + _("FREE - Five-Ten-sg.com - Other misc. servers."); + + $filters['FiveTen Single Stage']['prefname'] = 'filters_spam_fiveten_ss'; + $filters['FiveTen Single Stage']['name'] = 'Five-Ten-sg.com Single Stage Servers'; + $filters['FiveTen Single Stage']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; + $filters['FiveTen Single Stage']['dns'] = 'blackholes.five-ten-sg.com'; + $filters['FiveTen Single Stage']['result'] = '127.0.0.6'; + $filters['FiveTen Single Stage']['comment'] = + _("FREE - Five-Ten-sg.com - Single Stage servers."); + + $filters['FiveTen SPAM Support']['prefname'] = 'filters_spam_fiveten_supp'; + $filters['FiveTen SPAM Support']['name'] = 'Five-Ten-sg.com SPAM Support Servers'; + $filters['FiveTen SPAM Support']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; + $filters['FiveTen SPAM Support']['dns'] = 'blackholes.five-ten-sg.com'; + $filters['FiveTen SPAM Support']['result'] = '127.0.0.7'; + $filters['FiveTen SPAM Support']['comment'] = + _("FREE - Five-Ten-sg.com - SPAM Support servers."); + + $filters['FiveTen Web forms']['prefname'] = 'filters_spam_fiveten_wf'; + $filters['FiveTen Web forms']['name'] = 'Five-Ten-sg.com Web Form IPs'; + $filters['FiveTen Web forms']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; + $filters['FiveTen Web forms']['dns'] = 'blackholes.five-ten-sg.com'; + $filters['FiveTen Web forms']['result'] = '127.0.0.8'; + $filters['FiveTen Web forms']['comment'] = + _("FREE - Five-Ten-sg.com - Web Form IPs."); + + $filters['Dorkslayers']['prefname'] = 'filters_spam_dorks'; + $filters['Dorkslayers']['name'] = 'Dorkslayers Lists'; + $filters['Dorkslayers']['link'] = 'http://www.dorkslayers.com'; + $filters['Dorkslayers']['dns'] = 'orbs.dorkslayers.com'; + $filters['Dorkslayers']['result'] = '127.0.0.2'; + $filters['Dorkslayers']['comment'] = + _("FREE - Dorkslayers appears to include only really bad open relays outside the US to avoid being sued. Interestingly enough, their website recommends you NOT use their service."); + + $filters['SPAMhaus']['prefname'] = 'filters_spam_spamhaus'; + $filters['SPAMhaus']['name'] = 'SPAMhaus Lists'; + $filters['SPAMhaus']['link'] = 'http://www.spamhaus.org'; + $filters['SPAMhaus']['dns'] = 'sbl.spamhaus.org'; + $filters['SPAMhaus']['result'] = '127.0.0.2'; + $filters['SPAMhaus']['comment'] = + _("FREE - SPAMhaus - A list of well-known SPAM sources."); + + $filters['SPAMcop']['prefname'] = 'filters_spam_spamcop'; + $filters['SPAMcop']['name'] = 'SPAM Cop Lists'; + $filters['SPAMcop']['link'] = 'http://spamcop.net/bl.shtml'; + $filters['SPAMcop']['dns'] = 'bl.spamcop.net'; + $filters['SPAMcop']['result'] = '127.0.0.2'; + $filters['SPAMcop']['comment'] = + _("FREE, for now - SpamCop - An interesting solution that lists servers that have a very high spam to legit email ratio (85 percent or more)."); + + $filters['dev.null.dk']['prefname'] = 'filters_spam_devnull'; + $filters['dev.null.dk']['name'] = 'dev.null.dk Lists'; + $filters['dev.null.dk']['link'] = 'http://dev.null.dk/'; + $filters['dev.null.dk']['dns'] = 'dev.null.dk'; + $filters['dev.null.dk']['result'] = '127.0.0.2'; + $filters['dev.null.dk']['comment'] = + _("FREE - dev.null.dk - I don't have any detailed info on this list."); + + $filters['visi.com']['prefname'] = 'filters_spam_visi'; + $filters['visi.com']['name'] = 'visi.com Relay Stop List'; + $filters['visi.com']['link'] = 'http://relays.visi.com'; + $filters['visi.com']['dns'] = 'relays.visi.com'; + $filters['visi.com']['result'] = '127.0.0.2'; + $filters['visi.com']['comment'] = + _("FREE - visi.com - Relay Stop List. Very conservative OpenRelay List."); + + $filters['ahbl.org Open Relays']['prefname'] = 'filters_spam_2mb_or'; + $filters['ahbl.org Open Relays']['name'] = 'ahbl.org Open Relays List'; + $filters['ahbl.org Open Relays']['link'] = 'http://www.ahbl.org/'; + $filters['ahbl.org Open Relays']['dns'] = 'dnsbl.ahbl.org'; + $filters['ahbl.org Open Relays']['result'] = '127.0.0.2'; + $filters['ahbl.org Open Relays']['comment'] = + _("FREE - ahbl.org Open Relays - Another list of Open Relays."); + + $filters['ahbl.org SPAM Source']['prefname'] = 'filters_spam_2mb_ss'; + $filters['ahbl.org SPAM Source']['name'] = 'ahbl.org SPAM Source List'; + $filters['ahbl.org SPAM Source']['link'] = 'http://www.ahbl.org/'; + $filters['ahbl.org SPAM Source']['dns'] = 'dnsbl.ahbl.org'; + $filters['ahbl.org SPAM Source']['result'] = '127.0.0.4'; + $filters['ahbl.org SPAM Source']['comment'] = + _("FREE - ahbl.org SPAM Source - List of Direct SPAM Sources."); + + $filters['ahbl.org SPAM ISPs']['prefname'] = 'filters_spam_2mb_isp'; + $filters['ahbl.org SPAM ISPs']['name'] = 'ahbl.org SPAM-friendly ISP List'; + $filters['ahbl.org SPAM ISPs']['link'] = 'http://www.ahbl.org/'; + $filters['ahbl.org SPAM ISPs']['dns'] = 'dnsbl.ahbl.org'; + $filters['ahbl.org SPAM ISPs']['result'] = '127.0.0.7'; + $filters['ahbl.org SPAM ISPs']['comment'] = + _("FREE - ahbl.org SPAM ISPs - List of SPAM-friendly ISPs."); + + $filters['Leadmon DUL']['prefname'] = 'filters_spam_lm_dul'; + $filters['Leadmon DUL']['name'] = 'Leadmon.net DUL List'; + $filters['Leadmon DUL']['link'] = 'http://www.leadmon.net/spamguard/'; + $filters['Leadmon DUL']['dns'] = 'spamguard.leadmon.net'; + $filters['Leadmon DUL']['result'] = '127.0.0.2'; + $filters['Leadmon DUL']['comment'] = + _("FREE - Leadmon DUL - Another list of Dial-up or otherwise dynamically assigned IPs."); + + $filters['Leadmon SPAM Source']['prefname'] = 'filters_spam_lm_ss'; + $filters['Leadmon SPAM Source']['name'] = 'Leadmon.net SPAM Source List'; + $filters['Leadmon SPAM Source']['link'] = 'http://www.leadmon.net/spamguard/'; + $filters['Leadmon SPAM Source']['dns'] = 'spamguard.leadmon.net'; + $filters['Leadmon SPAM Source']['result'] = '127.0.0.3'; + $filters['Leadmon SPAM Source']['comment'] = + _("FREE - Leadmon SPAM Source - List of IPs Leadmon.net has received SPAM directly from."); + + $filters['Leadmon Bulk Mailers']['prefname'] = 'filters_spam_lm_bm'; + $filters['Leadmon Bulk Mailers']['name'] = 'Leadmon.net Bulk Mailers List'; + $filters['Leadmon Bulk Mailers']['link'] = 'http://www.leadmon.net/spamguard/'; + $filters['Leadmon Bulk Mailers']['dns'] = 'spamguard.leadmon.net'; + $filters['Leadmon Bulk Mailers']['result'] = '127.0.0.4'; + $filters['Leadmon Bulk Mailers']['comment'] = + _("FREE - Leadmon Bulk Mailers - Bulk mailers that do not require confirmed opt-in or that have allowed known spammers to become clients and abuse their services."); + + $filters['Leadmon Open Relays']['prefname'] = 'filters_spam_lm_or'; + $filters['Leadmon Open Relays']['name'] = 'Leadmon.net Open Relays List'; + $filters['Leadmon Open Relays']['link'] = 'http://www.leadmon.net/spamguard/'; + $filters['Leadmon Open Relays']['dns'] = 'spamguard.leadmon.net'; + $filters['Leadmon Open Relays']['result'] = '127.0.0.5'; + $filters['Leadmon Open Relays']['comment'] = + _("FREE - Leadmon Open Relays - Single Stage Open Relays that are not listed on other active RBLs."); + + $filters['Leadmon Multi-stage']['prefname'] = 'filters_spam_lm_ms'; + $filters['Leadmon Multi-stage']['name'] = 'Leadmon.net Multi-Stage Relay List'; + $filters['Leadmon Multi-stage']['link'] = 'http://www.leadmon.net/spamguard/'; + $filters['Leadmon Multi-stage']['dns'] = 'spamguard.leadmon.net'; + $filters['Leadmon Multi-stage']['result'] = '127.0.0.6'; + $filters['Leadmon Multi-stage']['comment'] = + _("FREE - Leadmon Multi-stage - Multi-Stage Open Relays that are not listed on other active RBLs and that have sent SPAM to Leadmon.net."); + + $filters['Leadmon SpamBlock']['prefname'] = 'filters_spam_lm_sb'; + $filters['Leadmon SpamBlock']['name'] = 'Leadmon.net SpamBlock Sites List'; + $filters['Leadmon SpamBlock']['link'] = 'http://www.leadmon.net/spamguard/'; + $filters['Leadmon SpamBlock']['dns'] = 'spamguard.leadmon.net'; + $filters['Leadmon SpamBlock']['result'] = '127.0.0.7'; + $filters['Leadmon SpamBlock']['comment'] = + _("FREE - Leadmon SpamBlock - Sites on this listing have sent Leadmon.net direct SPAM from IPs in netblocks where the entire block has no DNS mappings. It's a list of BLOCKS of IPs being used by people who have SPAMmed Leadmon.net."); + + $filters['NJABL Open Relays']['prefname'] = 'filters_spam_njabl_or'; + $filters['NJABL Open Relays']['name'] = 'NJABL Open Relay/Direct Spam Source List'; + $filters['NJABL Open Relays']['link'] = 'http://www.njabl.org/'; + $filters['NJABL Open Relays']['dns'] = 'dnsbl.njabl.org'; + $filters['NJABL Open Relays']['result'] = '127.0.0.2'; + $filters['NJABL Open Relays']['comment'] = + _("FREE, for now - Not Just Another Blacklist - Both Open Relays and Direct SPAM Sources."); + + $filters['NJABL DUL']['prefname'] = 'filters_spam_njabl_dul'; + $filters['NJABL DUL']['name'] = 'NJABL Dial-ups List'; + $filters['NJABL DUL']['link'] = 'http://www.njabl.org/'; + $filters['NJABL DUL']['dns'] = 'dnsbl.njabl.org'; + $filters['NJABL DUL']['result'] = '127.0.0.3'; + $filters['NJABL DUL']['comment'] = + _("FREE, for now - Not Just Another Blacklist - Dial-up IPs."); + + foreach ($filters as $Key => $Value) { + $filters[$Key]['enabled'] = (bool)getPref($data_dir, $username, $filters[$Key]['prefname']); } - function remove_filter ($id) { - global $data_dir, $username; + return $filters; +} - while ($nextFilter = getPref($data_dir, $username, 'filter' . - ($id + 1))) { - setPref($data_dir, $username, 'filter' . $id, $nextFilter); - $id ++; - } +/** + * Removes a User filter + * @param int $id ID of the filter to remove + * @access private + */ +function remove_filter ($id) { + global $data_dir, $username; - removePref($data_dir, $username, 'filter' . $id); + while ($nextFilter = getPref($data_dir, $username, 'filter' . ($id + 1))) { + setPref($data_dir, $username, 'filter' . $id, $nextFilter); + $id ++; } - function filter_swap($id1, $id2) { - global $data_dir, $username; + removePref($data_dir, $username, 'filter' . $id); +} - $FirstFilter = getPref($data_dir, $username, 'filter' . $id1); - $SecondFilter = getPref($data_dir, $username, 'filter' . $id2); +/** + * Swaps two filters + * @param int $id1 ID of first filter to swap + * @param int $id2 ID of second filter to swap + * @access private + */ +function filter_swap($id1, $id2) { + global $data_dir, $username; - if ($FirstFilter && $SecondFilter) { - setPref($data_dir, $username, 'filter' . $id2, $FirstFilter); - setPref($data_dir, $username, 'filter' . $id1, $SecondFilter); + $FirstFilter = getPref($data_dir, $username, 'filter' . $id1); + $SecondFilter = getPref($data_dir, $username, 'filter' . $id2); + + if ($FirstFilter && $SecondFilter) { + setPref($data_dir, $username, 'filter' . $id2, $FirstFilter); + setPref($data_dir, $username, 'filter' . $id1, $SecondFilter); + } +} + +/** + * This updates the filter rules when renaming or deleting folders + * @param array $args + * @access private + */ +function update_for_folder ($args) { + $old_folder = $args[0]; + $new_folder = $args[2]; + $action = $args[1]; + global $data_dir, $username; + $filters = array(); + $filters = load_filters(); + $filter_count = count($filters); + $p = 0; + for ($i = 0; $i < $filter_count; $i++) { + if (!empty($filters)) { + if ($old_folder == $filters[$i]['folder']) { + if ($action == 'rename') { + $filters[$i]['folder'] = $new_folder; + setPref($data_dir, $username, 'filter'.$i, + $filters[$i]['where'].','.$filters[$i]['what'].','.$new_folder); + } + elseif ($action == 'delete') { + remove_filter($p); + $p = $p-1; + } + } + $p++; } } -?> +} + +/** + * Display formated error message + * @param string $string text message + * @return string html formated text message + * @access private + */ +function do_error($string) { + global $color; + echo "

"; + echo $string; + echo "

\n"; +}