X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=plugins%2Ffilters%2Ffilters.php;h=89a89ba666e01c76b9c3770b3a51f75fc5e3ee59;hb=ba4d5a329e3572a04eee7c9052c55c77922d23a7;hp=6257cd9175d9766c3de05874063975d33a32f886;hpb=a2a566ebf196195c33bdd8b34fb325f9b6223cc0;p=squirrelmail.git
diff --git a/plugins/filters/filters.php b/plugins/filters/filters.php
index 6257cd91..89a89ba6 100644
--- a/plugins/filters/filters.php
+++ b/plugins/filters/filters.php
@@ -3,7 +3,7 @@
/**
* Message and Spam Filter Plugin
*
- * Copyright (c) 1999-2002 The SquirrelMail Project Team
+ * Copyright (c) 1999-2003 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This plugin filters your inbox into different folders based upon given
@@ -28,20 +28,20 @@
function filters_SaveCache () {
global $data_dir, $SpamFilters_DNScache;
- if (file_exists($data_dir . "/dnscache")) {
- $fp = fopen($data_dir . "/dnscache", "r");
+ 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+");
+ $fp = fopen($data_dir . '/dnscache', 'w+');
fclose($fp);
- $fp = fopen($data_dir . "/dnscache", "r");
+ $fp = fopen($data_dir . '/dnscache', 'r');
flock($fp,LOCK_EX);
}
- $fp1=fopen($data_dir . "/dnscache", "w+");
+ $fp1=fopen($data_dir . '/dnscache', 'w+');
foreach ($SpamFilters_DNScache as $Key=> $Value) {
$tstr = $Key . ',' . $Value['L'] . ',' . $Value['T'] . "\n";
@@ -52,12 +52,12 @@ function filters_SaveCache () {
fclose($fp);
}
-
function filters_LoadCache () {
global $data_dir, $SpamFilters_DNScache;
- if (file_exists($data_dir . "/dnscache")) {
- if ($fp = fopen ($data_dir . "/dnscache", "r")) {
+ 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 ($data[2] > time()) {
@@ -73,7 +73,8 @@ function filters_LoadCache () {
function filters_bulkquery($filters_spam_scan, $filters, $read) {
global $SpamFilters_YourHop, $attachment_dir, $username,
- $SpamFilters_DNScache, $SpamFilters_BulkQuery;
+ $SpamFilters_DNScache, $SpamFilters_BulkQuery,
+ $SpamFilters_CacheTTL;
$IPs = array();
$i = 0;
@@ -87,14 +88,6 @@ function filters_bulkquery($filters_spam_scan, $filters, $read) {
$MsgNum = $Chunks[1];
$i ++;
- $Scan = 1;
-
- // Check for normal IMAP servers
- if ($filters_spam_scan == 'new') {
- if (is_int(strpos($Chunks[4], '\Seen'))) {
- $Scan = 0;
- }
- }
// Look through all of the Received headers for IP addresses
// Stop when I get ")" on a line
@@ -106,32 +99,28 @@ function filters_bulkquery($filters_spam_scan, $filters, $read) {
// Check to see if this line is the right "Received from" line
// to check
if (is_int(strpos($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);
- $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;
- }
+ $read[$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 ($SpamFilters_YourHop == ' ') {
- break; // don't check any more
- }
+ }
+ // If we've checked one IP and YourHop is
+ // just a space
+ if ($SpamFilters_YourHop == ' ') {
+ break; // don't check any more
}
}
}
@@ -150,10 +139,11 @@ function filters_bulkquery($filters_spam_scan, $filters, $read) {
}
}
- $bqfil = $attachment_dir . $username . "-bq.in";
- $fp = fopen($bqfil, "w");
+ $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, '.' . $key . "\n");
}
fputs ($fp, "----------\n");
foreach ($IPs as $key => $value) {
@@ -161,7 +151,7 @@ function filters_bulkquery($filters_spam_scan, $filters, $read) {
}
fclose ($fp);
$bqout = array();
- exec ($SpamFilters_BulkQuery . " < " . $bqfil, $bqout);
+ exec ($SpamFilters_BulkQuery . ' < ' . $bqfil, $bqout);
foreach ($bqout as $value) {
$Chunks = explode(',', $value);
$SpamFilters_DNScache[$Chunks[0]]['L'] = $Chunks[1];
@@ -171,92 +161,13 @@ function filters_bulkquery($filters_spam_scan, $filters, $read) {
}
}
-
-function filters_sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {
- global $color, $squirrelmail_language, $imap_general_debug;
-
- $data = array();
- $size = 0;
-
- do {
- $read = fgets($imap_stream, 9096);
- if (ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) {
- break; // found end of reply
- }
-
- // Continue if needed for this single line
- while (strpos($read, "\n") === false) {
- $read .= fgets($imap_stream, 9096);
- }
-
- $data[] = $read;
-
- if (ereg("^\\* [0-9]+ FETCH.*\\{([0-9]+)\\}", $read, $regs)) {
- $size = $regs[1];
- if ($imap_general_debug) {
- echo "Size is $size
\n";
- }
-
- $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);
-
- $size = 0;
- }
- // For debugging purposes
- if ($imap_general_debug) {
- echo "$read
\n";
- flush();
- }
- } while (true);
-
- $response = $regs[1];
- $message = trim($regs[2]);
-
- if ($imap_general_debug) {
- echo '--
';
- }
-
- if (!$handle_errors) {
- 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" .
- _("ERROR : Could not complete request.") .
- "
\n" .
- _("Reason Given: ") .
- $message . "
\n";
- exit;
- }
- } else if ($response == 'BAD') {
- set_up_language($squirrelmail_language);
- echo "
\n" .
- _("ERROR : Bad or malformed request.") .
- "
\n" .
- _("Server responded: ") .
- $message . "
\n";
- exit;
- }
-
- return $data;
-}
-
-
function start_filters() {
- global $mailbox, $username, $key, $imapServerAddress, $imapPort, $imap,
- $imap_general, $filters, $imap_stream, $imapConnection,
- $UseSeparateImapConnection, $AllowSpamFilters;
+ global $mailbox, $imapServerAddress, $imapPort, $imap,
+ $imap_general, $filters, $imap_stream, $imapConnection,
+ $UseSeparateImapConnection, $AllowSpamFilters;
+
+ sqgetGlobalVar('username', $username, SQ_SESSION);
+ sqgetGlobalVar('key', $key, SQ_COOKIE);
# if ($mailbox == 'INBOX') {
// Detect if we have already connected to IMAP or not.
@@ -290,64 +201,98 @@ function start_filters() {
# }
}
-
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');
-
+ $id = array();
// For every rule
- for ($i=0; $i < count($filters); $i++) {
+ for ($i=0, $num = count($filters); $i < $num; $i++) {
// If it is the "combo" rule
if ($filters[$i]['where'] == 'To or Cc') {
/*
* If it's "TO OR CC", we have to do two searches, one for TO
* and the other for CC.
*/
- filter_search_and_delete($imap_stream, 'TO',
- $filters[$i]['what'], $filters[$i]['folder']);
- filter_search_and_delete($imap_stream, 'CC',
- $filters[$i]['what'], $filters[$i]['folder']);
+ $id = filter_search_and_delete($imap_stream, 'TO',
+ $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $id);
+ $id = filter_search_and_delete($imap_stream, 'CC',
+ $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $id);
} else {
/*
* If it's a normal TO, CC, SUBJECT, or FROM, then handle it
* normally.
*/
- filter_search_and_delete($imap_stream, $filters[$i]['where'],
- $filters[$i]['what'], $filters[$i]['folder']);
+ $id = filter_search_and_delete($imap_stream, $filters[$i]['where'],
+ $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $id);
}
}
// Clean out the mailbox whether or not auto_expunge is on
// That way it looks like it was redirected properly
- sqimap_mailbox_expunge($imap_stream, 'INBOX');
+ if (count($id)) {
+ sqimap_mailbox_expunge($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");
- $read = filters_sqimap_read_data ($imap, 'a001', true, $response, $message);
+function filter_search_and_delete($imap, $where, $what, $where_to, $user_scan,
+ $del_id) {
+ global $languages, $squirrelmail_language, $allow_charset_search,
+ $uid_support, $imap_server_type;
+ if ($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]));
+ }
+
+ if ($imap_server_type == 'macosx') {
+ $search_str .= ' ' . $where . ' ' . $what;
+ } else {
+ $search_str .= ' ' . $where . ' {' . strlen($what) . "}\r\n"
+ . $what . "\r\n";
+ }
+
+ /* read data back from IMAP */
+ $read = sqimap_run_command($imap, $search_str, true, $response, $message, $uid_support);
// This may have problems with EIMS due to it being goofy
- for ($r=0; $r < count($read) &&
+ for ($r=0, $num = count($read); $r < $num &&
substr($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); $j++) {
+ for ($j=2, $num = count($ids); $j < $num; $j++) {
$id = trim($ids[$j]);
+ $del_id[] = $id;
sqimap_messages_copy ($imap, $id, $id, $where_to);
- sqimap_messages_flag ($imap, $id, $id, 'Deleted');
+ sqimap_messages_flag ($imap, $id, $id, 'Deleted',false);
}
}
}
+ return $del_id;
}
// These are the spam filters
function spam_filters($imap_stream) {
- global $data_dir, $username;
+ global $data_dir, $username, $uid_support;
global $SpamFilters_YourHop;
global $SpamFilters_DNScache;
global $SpamFilters_SharedCache;
@@ -378,13 +323,30 @@ function spam_filters($imap_stream) {
// 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') {
+ if ($filters_spam_scan != 'new') {
+ $read = sqimap_run_command($imap_stream, 'FETCH 1:* (FLAGS BODY.PEEK[HEADER.FIELDS ' .
+ '(RECEIVED)])', true, $reponse, $message, $uid_support);
+ } else {
+ $read = sqimap_run_command($imap_stream, 'SEARCH UNSEEN', true, $reponse, $message, $uid_support);
+ if ($response != 'OK' || trim($read[0]) == '* SEARCH') {
+ $read = sqimap_run_command($imap_stream, 'FETCH 1:* (FLAGS BODY.PEEK[HEADER.FIELDS ' .
+ '(RECEIVED)])', true, $reponse, $message, $uid_support);
+ } 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";
+ $read = sqimap_run_command($imap_stream,$imap_query, true, $reponse, $message, $uid_support);
+ }
+ }
+
+ if (isset($response) && $response != 'OK') {
return;
}
@@ -405,14 +367,6 @@ function spam_filters($imap_stream) {
$IPs = array();
$i ++;
$IsSpam = 0;
- $Scan = 1;
-
- // Check for normal IMAP servers
- if ($filters_spam_scan == 'new') {
- if (is_int(strpos($Chunks[4], '\Seen'))) {
- $Scan = 0;
- }
- }
// Look through all of the Received headers for IP addresses
// Stop when I get ")" on a line
@@ -426,25 +380,23 @@ function spam_filters($imap_stream) {
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
}
}
}
@@ -458,7 +410,7 @@ function spam_filters($imap_stream) {
sqimap_messages_copy ($imap_stream, $MsgNum, $MsgNum,
$filters_spam_folder);
sqimap_messages_flag ($imap_stream, $MsgNum, $MsgNum,
- 'Deleted');
+ 'Deleted', false);
}
} else {
}
@@ -469,10 +421,10 @@ function spam_filters($imap_stream) {
if ($SpamFilters_SharedCache) {
filters_SaveCache();
} else {
- session_register('SpamFilters_DNScache');
+ sqsession_register($SpamFilters_DNScache, 'SpamFilters_DNScache');
}
-}
+}
// Does the loop through each enabled filter for the specified IP address.
// IP format: $a.$b.$c.$d
@@ -483,11 +435,18 @@ function filters_spam_check_site($a, $b, $c, $d, &$filters) {
if ($filters[$key]['dns']) {
$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($filter_revip);
+ gethostbyname($filter_revip);
$SpamFilters_DNScache[$filter_revip]['T'] =
- time() + $SpamFilters_CacheTTL;
+ time() + $SpamFilters_CacheTTL;
}
if ($SpamFilters_DNScache[$filter_revip]['L'] ==
$filters[$key]['result']) {
@@ -501,6 +460,7 @@ function filters_spam_check_site($a, $b, $c, $d, &$filters) {
function load_filters() {
global $data_dir, $username;
+
$filters = array();
for ($i=0; $fltr = getPref($data_dir, $username, 'filter' . $i); $i++) {
$ary = explode(',', $fltr);
@@ -820,6 +780,30 @@ function load_spam_filters() {
$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']);