This is a big one - fixes to sqimap_run_command in most uses. Had to add

sqimap_run_command_list as well for those list instances.

I believe that it's now safe for sqimap_session_id() to return a different
ID each time, but haven't yet tested this.

functions/imap_general.php

@@ -38,8 +38,14 @@ function sqimap_session_id() {
 ** to allow proper session number handling.
 ******************************************************************************/
 
+function sqimap_run_command_list ($imap_stream, $query, $handle_errors, &$response, &$message) {
+    fputs ($imap_stream, sqimap_session_id() . ' ' . $query . "\r\n");
+    $read = sqimap_read_data_list ($imap_stream, sqimap_session_id(), $handle_errors, $response, $message);
+    return $read;
+}
+
 function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response, &$message) {
-    fputs ($imap_stream, sqimap_session_id() . $query . "\r\n");
+    fputs ($imap_stream, sqimap_session_id() . ' ' . $query . "\r\n");
     $read = sqimap_read_data ($imap_stream, sqimap_session_id(), $handle_errors, $response, $message);
     return $read;
 }
@@ -180,9 +186,8 @@ function sqimap_login ($username, $password, $imap_server_address, $imap_port, $
         exit;
     }
 
-    fputs ($imap_stream, sqimap_session_id() . ' LOGIN "' . quoteIMAP($username) .
-           '" "' . quoteIMAP($password) . "\"\r\n");
-    $read = sqimap_read_data ($imap_stream, sqimap_session_id(), false, $response, $message);
+    $query = 'LOGIN "' . quoteIMAP($username) .  '" "' . quoteIMAP($password) . '"';
+    $read = sqimap_run_command ($imap_stream, $query, false, $response, $message);
 
     /** If the connection was not successful, lets see why **/
     if ($response != 'OK') {
@@ -203,14 +208,16 @@ function sqimap_login ($username, $password, $imap_server_address, $imap_port, $
                 }
                 exit;
             } else {
-                // If the user does not log in with the correct
-                // username and password it is not possible to get the
-                // correct locale from the user's preferences.
-                // Therefore, apply the same hack as on the login
-                // screen.
+                /* If the user does not log in with the correct
+                 * username and password it is not possible to get the
+                 * correct locale from the user's preferences.
+                 * Therefore, apply the same hack as on the login
+                 * screen.
+		 */
                 
-                // $squirrelmail_language is set by a cookie when
-                // the user selects language and logs out
+                /* $squirrelmail_language is set by a cookie when
+                 * the user selects language and logs out
+		 */
                 
                 set_up_language($squirrelmail_language, true);
                 
@@ -232,16 +239,16 @@ function sqimap_login ($username, $password, $imap_server_address, $imap_port, $
  *  Simply logs out the imap session
  */
 function sqimap_logout ($imap_stream) {
-    fputs ($imap_stream, sqimap_session_id() . " LOGOUT\r\n");
+    /* Logout is not valid until the server returns 'BYE' */
+    sqimap_run_command($imap_stream, 'LOGOUT', false, $response, $message);
 }
 
 function sqimap_capability($imap_stream, $capability) {
     global $sqimap_capabilities;
     
     if (!is_array($sqimap_capabilities)) {
-        fputs ($imap_stream, sqimap_session_id() . " CAPABILITY\r\n");
-        $read = sqimap_read_data($imap_stream, sqimap_session_id(), true, $a, $b);
-    
+        $read = sqimap_run_command($imap_stream, 'CAPABILITY', true, $a, $b);
+
         $c = explode(' ', $read[0]);
         for ($i=2; $i < count($c); $i++) {
             $cap_list = explode('=', $c[$i]);
@@ -280,8 +287,7 @@ function sqimap_get_delimiter ($imap_stream = false) {
             OS:  * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
             OS:  We want to lookup all personal NAMESPACES...
             */
-            fputs ($imap_stream, sqimap_session_id() . " NAMESPACE\r\n");
-            $read = sqimap_read_data($imap_stream, sqimap_session_id(), true, $a, $b);
+            $read = sqimap_run_command($imap_stream, 'NAMESPACE', true, $a, $b);
             if (eregi('\\* NAMESPACE +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL)', $read[0], $data)) {
                 if (eregi('^\\( *\\((.*)\\) *\\)', $data[1], $data2)) {
                     $pn = $data2[1];
@@ -313,8 +319,7 @@ function sqimap_get_delimiter ($imap_stream = false) {
  */
 function sqimap_get_num_messages ($imap_stream, $mailbox) {
 
-    fputs ($imap_stream, sqimap_session_id() . " EXAMINE \"$mailbox\"\r\n");
-    $read_ary = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $result, $message);
+    $read_ary = sqimap_run_command ($imap_stream, " EXAMINE \"$mailbox\"", true, $result, $message);
     for ($i = 0; $i < count($read_ary); $i++) {
      if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
         return $regs[1];
@@ -382,8 +387,7 @@ function sqimap_find_displayable_name ($string) {
 */
 function sqimap_unseen_messages ($imap_stream, $mailbox) {
     //fputs ($imap_stream, sqimap_session_id() . " SEARCH UNSEEN NOT DELETED\r\n");
-    fputs ($imap_stream, sqimap_session_id() . " STATUS \"$mailbox\" (UNSEEN)\r\n");
-    $read_ary = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $result, $message);
+    $read_ary = sqimap_run_command ($imap_stream, " STATUS \"$mailbox\" (UNSEEN)", true, $result, $message);
     ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs);
     return $regs[1];
 }
@@ -394,7 +398,7 @@ function sqimap_unseen_messages ($imap_stream, $mailbox) {
 */
 function sqimap_append ($imap_stream, $sent_folder, $length) {
     fputs ($imap_stream, sqimap_session_id() . " APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
-    $tmp = fgets ($imap_stream, 1024);
+    $tmp = fgets ($imap_stream, 1024);    
 }
 
 function sqimap_append_done ($imap_stream) {

functions/imap_mailbox.php

@@ -16,9 +16,8 @@
  *************************/
 function sqimap_mailbox_expunge ($imap_stream, $mailbox,$handle_errors = true)
 {
-    fputs ($imap_stream, sqimap_session_id() . " EXPUNGE\r\n");
-    $read = sqimap_read_data($imap_stream, sqimap_session_id(),
-                             $handle_errors, $response, $message);
+    $read = sqimap_run_command($imap_stream, 'EXPUNGE',
+                               $handle_errors, $response, $message);
 }
 
 
@@ -30,9 +29,8 @@ function sqimap_mailbox_exists ($imap_stream, $mailbox)
     if (! isset($mailbox)) {
         return false;
     }
-    fputs ($imap_stream, sqimap_session_id() . " LIST \"\" \"$mailbox\"\r\n");
-    $mbx = sqimap_read_data($imap_stream, sqimap_session_id(),
-                            true, $response, $message);
+    $mbx = sqimap_run_command($imap_stream, "LIST \"\" \"$mailbox\"",
+                              true, $response, $message);
     return isset($mbx[0]);
 }
 
@@ -48,9 +46,8 @@ function sqimap_mailbox_select ($imap_stream, $mailbox,
         return;
     }
     
-    fputs ($imap_stream, sqimap_session_id() . " SELECT \"$mailbox\"\r\n");
-    $read = sqimap_read_data($imap_stream, sqimap_session_id(),
-                             true, $response, $message);
+    $read = sqimap_run_command($imap_stream, "SELECT \"$mailbox\"",
+                               true, $response, $message);
     if ($recent) {
         for ($i=0; $i<count($read); $i++) {
             if (strpos(strtolower($read[$i]), 'recent')) {
@@ -60,9 +57,8 @@ function sqimap_mailbox_select ($imap_stream, $mailbox,
         return $r[1];
     }
     if ($auto_expunge) {
-        fputs ($imap_stream, sqimap_session_id() . " EXPUNGE\r\n");
-        $tmp = sqimap_read_data($imap_stream, sqimap_session_id(),
-                                false, $a, $b);
+        $tmp = sqimap_run_command($imap_stream, "EXPUNGE",
+                                  false, $a, $b);
     }
 }
 
@@ -77,9 +73,8 @@ function sqimap_mailbox_create ($imap_stream, $mailbox, $type)
     if (strtolower($type) == 'noselect') {
         $mailbox = $mailbox.$delimiter;
     }
-    fputs ($imap_stream, sqimap_session_id() . " CREATE \"$mailbox\"\r\n");
-    $read_ary = sqimap_read_data($imap_stream, sqimap_session_id(),
-                                 true, $response, $message);
+    $read_ary = sqimap_run_command($imap_stream, "CREATE \"$mailbox\"",
+                                   true, $response, $message);
     
     sqimap_subscribe ($imap_stream, $mailbox);
 }
@@ -91,8 +86,7 @@ function sqimap_mailbox_create ($imap_stream, $mailbox, $type)
  ******************************************************************************/
 function sqimap_subscribe ($imap_stream, $mailbox)
 {
-    fputs ($imap_stream, sqimap_session_id() . " SUBSCRIBE \"$mailbox\"\r\n");
-    $read_ary = sqimap_read_data($imap_stream, sqimap_session_id(),
+    $read_ary = sqimap_run_command($imap_stream, " SUBSCRIBE \"$mailbox\"",
                                  true, $response, $message);
 }
 
@@ -105,8 +99,7 @@ function sqimap_unsubscribe ($imap_stream, $mailbox)
 {
     global $imap_server_type;
     
-    fputs ($imap_stream, sqimap_session_id() . " UNSUBSCRIBE \"$mailbox\"\r\n");
-    $read_ary = sqimap_read_data($imap_stream, sqimap_session_id(),
+    $read_ary = sqimap_run_command($imap_stream, " UNSUBSCRIBE \"$mailbox\"",
                                  true, $response, $message);
 }
 
@@ -117,8 +110,7 @@ function sqimap_unsubscribe ($imap_stream, $mailbox)
  ******************************************************************************/
 function sqimap_mailbox_delete ($imap_stream, $mailbox)
 {
-    fputs ($imap_stream, sqimap_session_id() . " DELETE \"$mailbox\"\r\n");
-    $read_ary = sqimap_read_data($imap_stream, sqimap_session_id(),
+    $read_ary = sqimap_run_command($imap_stream, "DELETE \"$mailbox\"",
                                  true, $response, $message);
     sqimap_unsubscribe ($imap_stream, $mailbox);
 }
@@ -156,10 +148,8 @@ function sqimap_mailbox_rename( $imap_stream, $old_name, $new_name ) {
             $boxes = FALSE;
         }
 
-        $cmd = sqimap_session_id() . " RENAME \"" . quoteIMAP($old_name) . "\" \"" .
-               quoteIMAP($new_name) . "\"\r\n";
-        fputs($imap_stream, $cmd);
-        $data = sqimap_read_data($imap_stream, sqimap_session_id(),
+        $cmd = 'RENAME "' . quoteIMAP($old_name) . '" "' .  quoteIMAP($new_name) . '"';
+        $data = sqimap_run_command($imap_stream, $cmd,
                                  TRUE, $response, $message);
         sqimap_unsubscribe($imap_stream, $old_name.$postfix);
         sqimap_subscribe($imap_stream, $new_name.$postfix);
@@ -335,9 +325,7 @@ function sqimap_mailbox_list ($imap_stream) {
     require_once('../functions/array.php');
     
     /** LSUB array **/
-    fputs ($imap_stream, sqimap_session_id() .
-           " LSUB \"$folder_prefix\" \"*\"\r\n");
-    $lsub_ary = sqimap_read_data ($imap_stream, sqimap_session_id(),
+    $lsub_ary = sqimap_run_command ($imap_stream, "LSUB \"$folder_prefix\" \"*\"",
                                   true, $response, $message);
     
     /* Section about removing the last element was removed */
@@ -381,8 +369,7 @@ function sqimap_mailbox_list ($imap_stream) {
             $mbx = $sorted_lsub_ary[$i];
         }
         
-        fputs ($imap_stream, sqimap_session_id() . " LIST \"\" \"$mbx\"\r\n");
-        $read = sqimap_read_data ($imap_stream, sqimap_session_id(),
+        $read = sqimap_run_command ($imap_stream, "LIST \"\" \"$mbx\"",
                                   true, $response, $message);
         /* Another workaround for EIMS */
         if (isset($read[1]) && 
@@ -414,8 +401,7 @@ function sqimap_mailbox_list ($imap_stream) {
      * we'll get it for them anyway
      */
     if ($inbox_subscribed == false || $inbox_in_list == false) {
-        fputs ($imap_stream, sqimap_session_id() . " LIST \"\" \"INBOX\"\r\n");
-        $inbox_ary = sqimap_read_data ($imap_stream, sqimap_session_id(),
+        $inbox_ary = sqimap_run_command ($imap_stream, "LIST \"\" \"INBOX\"",
                                        true, $response, $message);
         /* Another workaround for EIMS */
         if (isset($inbox_ary[1]) &&
@@ -568,8 +554,7 @@ function sqimap_mailbox_list_all ($imap_stream)
             $boxes[$g]["id"] = $g;
             
             /** Now lets get the flags for this mailbox **/
-            fputs ($imap_stream, sqimap_session_id() . " LIST \"\" \"$mailbox\"\r\n");
-            $read_mlbx = sqimap_read_data ($imap_stream, sqimap_session_id(),
+            $read_mlbx = sqimap_run_command ($imap_stream, "LIST \"\" \"$mailbox\"",
                                            true, $response, $message);
             
             /* Another workaround for EIMS */

functions/imap_messages.php

@@ -15,8 +15,7 @@
  **  Copies specified messages to specified folder
  ****************************************************************************/
 function sqimap_messages_copy ($imap_stream, $start, $end, $mailbox) {
-    fputs ($imap_stream, sqimap_session_id() . " COPY $start:$end \"$mailbox\"\r\n");
-    $read = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
+    $read = sqimap_run_command ($imap_stream, "COPY $start:$end \"$mailbox\"", true, $response, $message);
 }
 
 /****************************************************************************
@@ -37,8 +36,7 @@ function sqimap_messages_delete ($imap_stream, $start, $end, $mailbox) {
  **  Sets the specified messages with specified flag
  ****************************************************************************/
 function sqimap_messages_flag ($imap_stream, $start, $end, $flag) {
-    fputs ($imap_stream, sqimap_session_id() . " STORE $start:$end +FLAGS (\\$flag)\r\n");
-    $read = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
+    $read = sqimap_run_command ($imap_stream, "STORE $start:$end +FLAGS (\\$flag)", true, $response, $message);
 }
 
 
@@ -46,8 +44,7 @@ function sqimap_messages_flag ($imap_stream, $start, $end, $flag) {
  **  Remove specified flag from specified messages
  ****************************************************************************/
 function sqimap_messages_remove_flag ($imap_stream, $start, $end, $flag) {
-    fputs ($imap_stream, sqimap_session_id() . " STORE $start:$end -FLAGS (\\$flag)\r\n");
-    $read = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
+    $read = sqimap_run_command ($imap_stream, "STORE $start:$end -FLAGS (\\$flag)", true, $response, $message);
 }
 
 
@@ -246,8 +243,7 @@ function sqimap_get_small_header_list ($imap_stream, $msg_list, $issent) {
  **  Returns the flags for the specified messages 
  ****************************************************************************/
 function sqimap_get_flags ($imap_stream, $i) {
-    fputs ($imap_stream, sqimap_session_id() . " FETCH $i:$i FLAGS\r\n");
-    $read = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
+    $read = sqimap_run_command ($imap_stream, "FETCH $i:$i FLAGS", true, $response, $message);
     if (ereg("FLAGS(.*)", $read[0], $regs)) {
         return explode(" ", trim(ereg_replace('[\\(\\)\\\\]', '', $regs[1])));
     }
@@ -259,8 +255,7 @@ function sqimap_get_flags_list ($imap_stream, $msg_list) {
     for ($i = 0; $i < sizeof($msg_list); $i++) {
         $id2index[$msg_list[$i]] = $i;
     }
-    fputs ($imap_stream, sqimap_session_id() . " FETCH $msgs_str FLAGS\r\n");
-    $result_list = sqimap_read_data_list ($imap_stream, sqimap_session_id(), true, $response, $message);
+    $result_list = sqimap_run_command_list ($imap_stream, "FETCH $msgs_str FLAGS", true, $response, $message);
     $result_flags = array();
 
     for ($i = 0; $i < sizeof($result_list); $i++) {
@@ -294,8 +289,7 @@ function sqimap_get_message ($imap_stream, $id, $mailbox) {
  **  Wrapper function that reformats the header information.
  ****************************************************************************/
 function sqimap_get_message_header ($imap_stream, $id, $mailbox) {
-    fputs ($imap_stream, sqimap_session_id() . " FETCH $id:$id BODY[HEADER]\r\n");
-    $read = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
+    $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[HEADER]", true, $response, $message);
      
     $header = sqimap_get_header($imap_stream, $read); 
     $header->id = $id;

functions/imap_search.php

@@ -25,24 +25,20 @@ function sqimap_search($imapConnection,$search_where,$search_what,$mailbox,$colo
     $pos = $search_position;
 
     $urlMailbox = urlencode($mailbox);
-    $isid = sqimap_session_id();
 
     /* Construct the Search QuERY */
-    $ss = $isid;
     if (isset($languages[$squirrelmail_language]['CHARSET']) &&
         $languages[$squirrelmail_language]['CHARSET']) {
-        $ss .= " SEARCH CHARSET ".$languages[$squirrelmail_language]['CHARSET']." ALL $search_where \"$search_what\"\r\n";
+        $ss = "SEARCH CHARSET ".$languages[$squirrelmail_language]['CHARSET']." ALL $search_where \"$search_what\"";
     } else {
-        $ss .= " SEARCH ALL $search_where \"$search_what\"\r\n";
+        $ss .= "SEARCH ALL $search_where \"$search_what\"";
     }
-    fputs($imapConnection,$ss);
 
     /* Read Data Back From IMAP */
-    $readin = sqimap_read_data ($imapConnection, $isid, false, $result, $message);
+    $readin = sqimap_run_command ($imapConnection, $ss, true, $result, $message);
     if (isset($languages[$squirrelmail_language]['CHARSET']) && strtolower($result) == 'no') {
-        $ss = $isid . " SEARCH CHARSET \"US-ASCII\" ALL $search_where \"$search_what\"\r\n";
-        fputs ($imapConnection, $ss);
-        $readin = sqimap_read_data ($imapConnection, $isid, true, $result, $message);
+        $ss = "SEARCH CHARSET \"US-ASCII\" ALL $search_where \"$search_what\"";
+        $readin = sqimap_run_command ($imapConnection, $ss, true, $result, $message);
     }
 
     unset($messagelist); $msgs=""; $c = 0;
@@ -165,4 +161,4 @@ function sqimap_search($imapConnection,$search_where,$search_what,$mailbox,$colo
     }
 }
 
-?>
+?>

functions/mime.php

@@ -376,9 +376,7 @@ function mime_fetch_body ($imap_stream, $id, $ent_id ) {
     // that it is the first one.  That is usually the case anyway.
     if (!$ent_id)
         $ent_id = 1;
-    $sid = sqimap_session_id();
-    fputs ($imap_stream, "$sid FETCH $id BODY[$ent_id]\r\n");
-    $data = sqimap_read_data ($imap_stream, $sid, true, $response, $message);
+    $data = sqimap_run_command ($imap_stream, " FETCH $id BODY[$ent_id]", true, $response, $message);
     $topline = array_shift($data);
     while (! ereg('\\* [0-9]+ FETCH ', $topline) && $data)
         $topline = array_shift($data);
@@ -390,8 +388,7 @@ function mime_fetch_body ($imap_stream, $id, $ent_id ) {
             in order to parse html messages. Let's get them here.
         */
         if ( $ret{0} == '<' ) {
-            fputs ($imap_stream, "$sid FETCH $id BODY[$ent_id.MIME]\r\n");
-            $data = sqimap_read_data ($imap_stream, $sid, true, $response, $message);
+            $data = sqimap_run_command ($imap_stream, "FETCH $id BODY[$ent_id.MIME]", true, $response, $message);
             $base = '';
             $k = 10;
             foreach( $data as $d ) {
@@ -436,8 +433,7 @@ function mime_fetch_body ($imap_stream, $id, $ent_id ) {
                _("Message:") . " $message<BR>" .
                _("FETCH line:") . " $topline<BR></tt></font></b>";
 
-        fputs ($imap_stream, "$sid FETCH $passed_id BODY[]\r\n");
-        $data = sqimap_read_data ($imap_stream, $sid, true, $response, $message);
+        $data = sqimap_run_command ($imap_stream, "FETCH $passed_id BODY[]", true, $response, $message);
         array_shift($data);
         $wholemessage = implode('', $data);
 
@@ -1218,4 +1214,4 @@ function find_ent_id( $id, $message ) {
     return( $ret );
 
 }
-?>
+?>