* $Id$
*/
+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+");
+
+ foreach ($SpamFilters_DNScache as $Key=> $Value) {
+ $tstr = $Key . ',' . $Value['L'] . ',' . $Value['T'] . "\n";
+ fputs ($fp1, $tstr);
+ }
+ fclose($fp1);
+ flock($fp,LOCK_UN);
+ fclose($fp);
+}
+
+
+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'] = $data[2];
+ }
+ }
+
+ flock($fp,LOCK_UN);
+ }
+ }
+}
+
+function filters_bulkquery($filters_spam_scan, $filters, $read) {
+ global $SpamFilters_YourHop, $attachment_dir, $username,
+ $SpamFilters_DNScache, $SpamFilters_BulkQuery,
+ $SpamFilters_CacheTTL;
+
+ $IPs = array();
+ $i = 0;
+ while ($i < count($read)) {
+ // EIMS will give funky results
+ $Chunks = explode(' ', $read[$i]);
+ if ($Chunks[0] != '*') {
+ $i ++;
+ continue;
+ }
+ $MsgNum = $Chunks[1];
+
+ $i ++;
+
+ // 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")) {
+ // Check to see if this line is the right "Received from" line
+ // to check
+ if (is_int(strpos($read[$i], $SpamFilters_YourHop))) {
+ $read[$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);
+ $IP = $Chunks[3] . '.' . $Chunks[2] . '.' .
+ $Chunks[1] . '.' . $Chunks[0];
+ foreach ($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 == ' ') {
+ break; // don't check any more
+ }
+ }
+ }
+ }
+ $i ++;
+ }
+ }
+
+ if (count($IPs) > 0) {
+ $rbls = array();
+ foreach ($filters as $key => $value) {
+ if ($filters[$key]['enabled']) {
+ if ($filters[$key]['dns']) {
+ $rbls[$filters[$key]['dns']] = true;
+ }
+ }
+ }
+
+ $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);
+ }
+}
+
+
function filters_sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {
global $color, $squirrelmail_language, $imap_general_debug;
function user_filters($imap_stream) {
+ global $data_dir, $username;
$filters = load_filters();
if (! $filters) return;
+ $filters_user_scan = getPref($data_dir, $username, 'filters_user_scan');
sqimap_mailbox_select($imap_stream, 'INBOX');
* and the other for CC.
*/
filter_search_and_delete($imap_stream, 'TO',
- $filters[$i]['what'], $filters[$i]['folder']);
+ $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan);
filter_search_and_delete($imap_stream, 'CC',
- $filters[$i]['what'], $filters[$i]['folder']);
+ $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan);
} else {
/*
* If it's a normal TO, CC, SUBJECT, or FROM, then handle it
* normally.
*/
filter_search_and_delete($imap_stream, $filters[$i]['where'],
- $filters[$i]['what'], $filters[$i]['folder']);
+ $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan);
}
}
// Clean out the mailbox whether or not auto_expunge is on
sqimap_mailbox_expunge($imap_stream, 'INBOX');
}
-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");
+function filter_search_and_delete($imap, $where, $what, $where_to, $user_scan) {
+ global $languages, $squirrelmail_language, $allow_charset_search;
+ if ($user_scan == 'new') {
+ $category = 'UNSEEN';
+ } else {
+ $category = 'ALL';
+ }
+
+ if ($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);
+ $where = trim($where . ' ' . $what[0]);
+ $what = addslashes(trim($what[1]));
+ }
+ $search_str .= $where . ' {' . strlen($what) . "}\r\n" . $what . "\r\n";
+
+ fputs ($imap, "a001 $search_str");
$read = filters_sqimap_read_data ($imap, 'a001', true, $response, $message);
// This may have problems with EIMS due to it being goofy
global $data_dir, $username;
global $SpamFilters_YourHop;
global $SpamFilters_DNScache;
+ global $SpamFilters_SharedCache;
+ global $SpamFilters_BulkQuery;
$filters_spam_scan = getPref($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();
+ }
+
$run = 0;
foreach ($filters as $Key=> $Value) {
// Ask for a big list of all "Received" headers in the inbox with
// flags for each message. Kinda big.
- fputs($imap_stream, 'A3999 FETCH 1:* (FLAGS BODY.PEEK[HEADER.FIELDS ' .
- "(RECEIVED)])\r\n");
-
- $read = filters_sqimap_read_data ($imap_stream, 'A3999', true,
+ //fputs($imap_stream, 'A3999 FETCH 1:* (FLAGS BODY.PEEK[HEADER.FIELDS ' .
+ // "(RECEIVED)])\r\n");
+ $sid = sqimap_session_id();
+ if ($filters_spam_scan != 'new') {
+ fputs($imap_stream, $sid.' FETCH 1:* (FLAGS BODY.PEEK[HEADER.FIELDS ' .
+ "(RECEIVED)])\r\n");
+ } else {
+ fputs ($imap_stream, $sid.' SEARCH UNSEEN' . "\r\n");
+ $read = filters_sqimap_read_data ($imap_stream, $sid, true,
+ $response, $message);
+ $sid = sqimap_session_id();
+ if ($response != 'OK' || trim($read[0]) == '* SEARCH') {
+ fputs($imap_stream,
+ $sid.' FETCH 1:* (FLAGS BODY.PEEK[HEADER.FIELDS ' .
+ "(RECEIVED)])\r\n");
+ } else {
+ $read[0] = trim($read[0]);
+ $i = 0;
+ $imap_query = $sid.' FETCH ';
+ $Chunks = explode(' ', $read[0]);
+ for ($i=2; $i < (count($Chunks)-1) ; $i++) {
+ $imap_query .= $Chunks[$i].',';
+ }
+ $imap_query .= $Chunks[count($Chunks)-1];
+ $imap_query .= ' (FLAGS BODY.PEEK[HEADER.FIELDS ';
+ $imap_query .= "(RECEIVED)])\r\n";
+ fputs($imap_stream, $imap_query);
+ }
+ }
+
+ $read = filters_sqimap_read_data ($imap_stream, $sid, true,
$response, $message);
-
if ($response != 'OK') {
return;
}
+ if (strlen($SpamFilters_BulkQuery) > 0) {
+ filters_bulkquery($filters_spam_scan, $filters, $read);
+ }
+
$i = 0;
while ($i < count($read)) {
// EIMS will give funky results
$IPs = array();
$i ++;
$IsSpam = 0;
- $Scan = 1;
-
- // Check for normal IMAP servers
- if ($filters_spam_scan == 'new') {
- if (is_int(strpos($Chunks[4], '\Seen'))) {
- $Scan = 0;
- }
- }
// Look through all of the Received headers for IP addresses
// Stop when I get ")" on a line
if (is_int(strpos($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)) {
- $IsSpam ++;
- break; // no sense in checking more IPs
- }
- // If we've checked one IP and YourHop is
- // just a space
- if ($SpamFilters_YourHop == ' ') {
- break; // don't check any more
- }
+ $read[$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)) {
+ $IsSpam ++;
+ break; // no sense in checking more IPs
+ }
+ // If we've checked one IP and YourHop is
+ // just a space
+ if ($SpamFilters_YourHop == ' ') {
+ break; // don't check any more
}
}
}
sqimap_mailbox_expunge($imap_stream, 'INBOX');
- session_register('SpamFilters_DNScache');
+ if ($SpamFilters_SharedCache) {
+ filters_SaveCache();
+ } else {
+ session_register('SpamFilters_DNScache');
+ }
}
// 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;
+ global $SpamFilters_DNScache, $SpamFilters_CacheTTL;
foreach ($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($filter_revip);
+ if (strlen($SpamFilters_DNScache[$filter_revip]['L']) == 0) {
+ $SpamFilters_DNScache[$filter_revip]['L'] =
+ gethostbyname($filter_revip);
+ $SpamFilters_DNScache[$filter_revip]['T'] =
+ time() + $SpamFilters_CacheTTL;
}
- if ($SpamFilters_DNScache[$filter_revip] ==
+ if ($SpamFilters_DNScache[$filter_revip]['L'] ==
$filters[$key]['result']) {
return 1;
}
function load_filters() {
global $data_dir, $username;
+
$filters = array();
for ($i=0; $fltr = getPref($data_dir, $username, 'filter' . $i); $i++) {
$ary = explode(',', $fltr);
$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['NJABL DUL']['comment'] =
_("FREE, for now - Not Just Another Blacklist - Dial-up IPs.");
+ $filters['Conf DSBL.ORG Relay']['prefname'] = 'filters_spam_dsbl_conf_ss';
+ $filters['Conf DSBL.ORG Relay']['name'] = 'DSBL.org Confirmed Relay List';
+ $filters['Conf DSBL.ORG Relay']['link'] = 'http://www.dsbl.org/';
+ $filters['Conf DSBL.ORG Relay']['dns'] = 'list.dsbl.org';
+ $filters['Conf DSBL.ORG Relay']['result'] = '127.0.0.2';
+ $filters['Conf DSBL.ORG Relay']['comment'] =
+ _("FREE - Distributed Sender Boycott List - Confirmed Relays");
+
+ $filters['Conf DSBL.ORG Multi-Stage']['prefname'] = 'filters_spam_dsbl_conf_ms';
+ $filters['Conf DSBL.ORG Multi-Stage']['name'] = 'DSBL.org Confirmed Multi-Stage Relay List';
+ $filters['Conf DSBL.ORG Multi-Stage']['link'] = 'http://www.dsbl.org/';
+ $filters['Conf DSBL.ORG Multi-Stage']['dns'] = 'multihop.dsbl.org';
+ $filters['Conf DSBL.ORG Multi-Stage']['result'] = '127.0.0.2';
+ $filters['Conf DSBL.ORG Multi-Stage']['comment'] =
+ _("FREE - Distributed Sender Boycott List - Confirmed Multi-stage Relays");
+
+ $filters['UN-Conf DSBL.ORG']['prefname'] = 'filters_spam_dsbl_unc';
+ $filters['UN-Conf DSBL.ORG']['name'] = 'DSBL.org UN-Confirmed Relay List';
+ $filters['UN-Conf DSBL.ORG']['link'] = 'http://www.dsbl.org/';
+ $filters['UN-Conf DSBL.ORG']['dns'] = 'unconfirmed.dsbl.org';
+ $filters['UN-Conf DSBL.ORG']['result'] = '127.0.0.2';
+ $filters['UN-Conf DSBL.ORG']['comment'] =
+ _("FREE - Distributed Sender Boycott List - UN-Confirmed Relays");
+
foreach ($filters as $Key => $Value) {
$filters[$Key]['enabled'] = getPref($data_dir, $username,
$filters[$Key]['prefname']);
setPref($data_dir, $username, 'filter' . $id1, $SecondFilter);
}
}
+
+/* This update the filter rules when
+ renaming or deleting folders */
+function update_for_folder ($args) {
+ $old_folder = $args[0];
+ $new_folder = $args[2];
+ $action = $args[1];
+ global $plugins, $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++;
+ }
+ }
+}
?>