X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fimap_general.php;h=8575e7eb032b8be65c87ae277caf46b6b319e2cf;hb=034fddf9fea6ada6e708501c95b113ae6b9126ea;hp=a2e6bac355d36b2816f8ac11d099dc7a05364ac2;hpb=41600f7d5363dfb79aadb45b10756ae63e45ba28;p=squirrelmail.git

diff --git a/functions/imap_general.php b/functions/imap_general.php
index a2e6bac3..8575e7eb 100755
--- a/functions/imap_general.php
+++ b/functions/imap_general.php
@@ -1,7 +1,7 @@
 <?php
 
 /**
- * imap.php
+ * imap_general.php
  *
  * Copyright (c) 1999-2002 The SquirrelMail Project Team
  * Licensed under the GNU GPL. For full terms see the file COPYING.
@@ -11,282 +11,324 @@
  * $Id$
  */
 
-require_once('../functions/page_header.php');
-require_once('../functions/display_messages.php');
-
-/**
- * Unique SessionId
- *
- * Sets an unique session id in order to avoid simultanous sessions crash.
- *
- * @return	string	a 4 chars unique string
- */
+require_once(SM_PATH . 'functions/page_header.php');
 
 global $sqimap_session_id;
 $sqimap_session_id = 1;
-function sqimap_session_id() {
 
+/* Sets an unique session id in order to avoid simultanous sessions crash. */
+function sqimap_session_id($unique_id = false) {
     global $data_dir, $username, $sqimap_session_id;
-
-    return( sprintf("A%03d", $sqimap_session_id++) );
+    if (!$unique_id) {
+	return( sprintf("A%03d", $sqimap_session_id++) );
+    } else {
+	return( sprintf("A%03d", $sqimap_session_id++) . ' UID' );
+    }
 }
 
-/******************************************************************************
-** Both send a command and accept the result from the command.  This is
-** to allow proper session number handling.
-******************************************************************************/
-
-function sqimap_run_command_list ($imap_stream, $query, $handle_errors, &$response, &$message) {
-    $sid = sqimap_session_id();
-    fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
-    $read = sqimap_read_data_list ($imap_stream, $sid, $handle_errors, $response, $message);
-    return $read;
+/*
+ * Both send a command and accept the result from the command.
+ * This is to allow proper session number handling.
+ */
+function sqimap_run_command_list ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) {
+    if ($imap_stream) {
+	$sid = sqimap_session_id($unique_id);
+	fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
+	$read = sqimap_read_data_list ($imap_stream, $sid, $handle_errors, $response, $message, $query );
+	return $read;
+    } else {
+        global $squirrelmail_language, $color;
+        set_up_language($squirrelmail_language);
+        require_once(SM_PATH . 'functions/display_messages.php');
+        $string = "<b><font color=$color[2]>\n" .
+                _("ERROR : No available imapstream.") .
+                "</b></font>\n";
+        error_box($string,$color);
+	return false;
+    }
+    
 }
 
-function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response, &$message) {
-    $sid = sqimap_session_id();
-    fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
-    $read = sqimap_read_data ($imap_stream, $sid, $handle_errors, $response, $message);
-    return $read;
+function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) {
+    if ($imap_stream) {
+        $sid = sqimap_session_id($unique_id);
+	fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
+	$read = sqimap_read_data ($imap_stream, $sid, $handle_errors, $response, $message, $query);
+	return $read;
+    } else {
+        global $squirrelmail_language, $color;
+        set_up_language($squirrelmail_language);
+        require_once(SM_PATH . 'functions/display_messages.php');
+        $string = "<b><font color=$color[2]>\n" .
+                _("ERROR : No available imapstream.") .
+                "</b></font>\n";
+        error_box($string,$color);
+	return false;
+    }
+    
 }
 
 
-/******************************************************************************
-**  Reads the output from the IMAP stream.  If handle_errors is set to true,
-**  this will also handle all errors that are received.  If it is not set,
-**  the errors will be sent back through $response and $message
-******************************************************************************/
+/* 
+ * custom fgets function. gets a line from IMAP
+ * no matter how big it may be
+ */
+
+function sqimap_fgets($imap_stream) {
+    $read = '';
+    $buffer = 4096;
+    $results = '';
+    while (strpos($read, "\n") === false) {
+        if (!($read = fgets($imap_stream, $buffer))) {
+            break;
+        }
+        $results .= $read;
+    }
+    return $results;
+}
+
+/*
+ * Reads the output from the IMAP stream.  If handle_errors is set to true,
+ * this will also handle all errors that are received.  If it is not set,
+ * the errors will be sent back through $response and $message
+ */
 
-function sqimap_read_data_list ($imap_stream, $pre, $handle_errors,
-                               &$response, &$message) {
+function sqimap_read_data_list ($imap_stream, $pre, $handle_errors, &$response, &$message, $query = '') {
     global $color, $squirrelmail_language;
-    
     $read = '';
+    $pre_a = explode(' ',trim($pre));
+    $pre = $pre_a[0];
     $resultlist = array();
-    
-    $more_msgs = true;
-    while ($more_msgs) {
-        $data = array();
-        $total_size = 0;
-        while (strpos($read, "\n") === false) {
-            $read .= fgets($imap_stream, 9096);
-        }
-        
-        if (ereg("^\\* [0-9]+ FETCH.*\\{([0-9]+)\\}", $read, $regs)) {
-           $size = $regs[1];
-        } else if (ereg("^\\* [0-9]+ FETCH", $read, $regs)) {
-            // Sizeless response, probably single-line
-            $size = -1;
-            $data[] = $read;
-            $read = fgets($imap_stream, 9096);
-        } else {
-            $size = -1;
-        }
-        while (1) {
-            while (strpos($read, "\n") === false) {
-                $read .= fgets($imap_stream, 9096);
-            }
-            // If we know the size, no need to look at the end parameters
-            if ($size > 0) {
-                if ($total_size == $size) {
-                    // We've reached the end of this 'message', switch to the next one.
-                    $data[] = $read;
-                    break;
-                } else if ($total_size > $size) {
-                    $difference = $total_size - $size;
-                    $total_size = $total_size - strlen($read);
-                    $data[] = substr ($read, 0, strlen($read)-$difference);
-                    $read = substr ($read, strlen($read)-$difference, strlen($read));
-                    break;
-                } else {
-                    $data[] = $read;
-                    $read = fgets($imap_stream, 9096);
-                    while (strpos($read, "\n") === false) {
-                      $read .= fgets($imap_stream, 9096);
-                    }
+    $data = array();
+    $read = sqimap_fgets($imap_stream);
+    while (1) {
+        switch (true) { 
+            case preg_match("/^$pre (OK|BAD|NO)(.*)$/", $read, $regs):
+            case preg_match('/^\* (BYE \[ALERT\])(.*)$/', $read, $regs):
+                $response = $regs[1];
+                $message = trim($regs[2]);
+                break 2;
+            case preg_match("/^\* (OK \[PARSE\])(.*)$/", $read):
+                $read = sqimap_fgets($imap_stream);
+                break 1;
+            case preg_match('/^\* ([0-9]+) FETCH.*/', $read, $regs):
+                $fetch_data = array();
+                $fetch_data[] = $read;
+                $read = sqimap_fgets($imap_stream);
+                while (!preg_match('/^\* [0-9]+ FETCH.*/', $read) &&
+                       !preg_match("/^$pre (OK|BAD|NO)(.*)$/", $read)) {
+                    $fetch_data[] = $read;
+                    $last = $read;
+                    $read = sqimap_fgets($imap_stream);
                 }
-                $total_size += strlen($read);
-            } else {
-                if (ereg("^$pre (OK|BAD|NO)(.*)", $read, $regs) ||
-                   (($size == -1) && ereg("^\\* [0-9]+ FETCH.*", $read, $regs))) {
-                    break;
-                } else {
-                    $data[] = $read;
-                    $read = fgets ($imap_stream, 9096);
+                if (isset($last) && preg_match('/^\)/', $last)) {
+                    array_pop($fetch_data);
                 }
-            }
-        }
-        
-        while (($more_msgs = !ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) &&
-            !ereg("^\\* [0-9]+ FETCH.*", $read, $regs)) {
-            $read = fgets($imap_stream, 9096);
+                $resultlist[] = $fetch_data;
+                break 1;
+            default:
+                $data[] = $read;
+                $read = sqimap_fgets($imap_stream);
+                break 1;
         }
+    }
+    if (!empty($data)) {
         $resultlist[] = $data;
     }
-    $response = $regs[1];
-    $message = trim($regs[2]);
-    
-    if ($handle_errors == false) { return $resultlist; }
-    
-    if ($response == 'NO') {
-        // ignore this error from m$ exchange, it is not fatal (aka bug)
+    elseif (empty($resultlist)) {
+        $resultlist[] = array(); 
+    }
+    if ($handle_errors == false) {
+        return( $resultlist );
+    } 
+    elseif ($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 "<br><b><font color=$color[2]>\n" .
-                 _("ERROR : Could not complete request.") .
-                 "</b><br>\n" .
-                 _("Reason Given: ") .
-                 $message . "</font><br>\n";
+	    require_once(SM_PATH . 'functions/display_messages.php');
+	    $string = "<b><font color=$color[2]>\n" .
+                _("ERROR : Could not complete request.") .
+                "</b><br>\n" .
+                _("Query:") .
+                $query . '<br>' .
+                _("Reason Given: ") .
+                $message . "</font><br>\n";
+	    error_box($string,$color);
             exit;
         }
-    } else if ($response == 'BAD') {
+    } 
+    elseif ($response == 'BAD') {
         set_up_language($squirrelmail_language);
-        echo "<br><b><font color=$color[2]>\n" .
-             _("ERROR : Bad or malformed request.") .
-             "</b><br>\n" .
-             _("Server responded: ") .
-             $message . "</font><br>\n";
+	require_once(SM_PATH . 'functions/display_messages.php');
+        $string = "<b><font color=$color[2]>\n" .
+            _("ERROR : Bad or malformed request.") .
+            "</b><br>\n" .
+            _("Query:") .
+            $query . '<br>' .
+            _("Server responded: ") .
+            $message . "</font><br>\n";
+	error_box($string,$color);    
         exit;
+    } 
+    else {
+        return $resultlist;
     }
-    return $resultlist;
 }
 
-function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {
+function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message, $query = '') {
+    $res = sqimap_read_data_list($imap_stream, $pre, $handle_errors, $response, $message, $query);
+  
+    /* sqimap_read_data should be called for one response
+       but since it just calls sqimap_read_data_list which 
+       handles multiple responses we need to check for that
+       and merge the $res array IF they are seperated and 
+       IF it was a FETCH response. */
+  
+    if (isset($res[1]) && is_array($res[1]) && isset($res[1][0]) 
+        && preg_match('/^\* \d+ FETCH/', $res[1][0])) {
+        $result = array();
+        foreach($res as $index=>$value) {
+            $result = array_merge($result, $res["$index"]);
+        }
+    }
+    if (isset($result)) {
+        return $result;
+    }
+    else {
+        return $res[0];
+    }
 
-    $res = sqimap_read_data_list($imap_stream, $pre, $handle_errors, $response, $message);
-    return $res[0];
-    
 }
 
-/******************************************************************************
-**  Logs the user into the imap server.  If $hide is set, no error messages
-**  will be displayed.  This function returns the imap connection handle.
-******************************************************************************/
+/*
+ * Logs the user into the imap server.  If $hide is set, no error messages
+ * will be displayed.  This function returns the imap connection handle.
+ */
 function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
+    global $color, $squirrelmail_language, $onetimepad;
 
-    global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad;
-    
-    $imap_stream = fsockopen ( $imap_server_address, $imap_port,
-                             $error_number, $error_string, 15);
-    if ( !$imap_stream ) {
-        return FALSE;
-    }
-    $server_info = fgets ($imap_stream, 1024);
-    
-    // Decrypt the password
-    $password = OneTimePadDecrypt($password, $onetimepad);
-    
-    /** Do some error correction **/
+    $imap_server_address = sqimap_get_user_server($imap_server_address, $username);
+
+    $imap_stream = fsockopen ( $imap_server_address, $imap_port, $error_number, $error_string, 15);
+
+    /* Do some error correction */
     if (!$imap_stream) {
         if (!$hide) {
             set_up_language($squirrelmail_language, true);
-            printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address);
-            echo "$error_number : $error_string<br>\r\n";
+	    require_once(SM_PATH . 'functions/display_messages.php');
+	    $string = sprintf (_("Error connecting to IMAP server: %s.") .
+	                      "<br>\r\n", $imap_server_address) .
+                      "$error_number : $error_string<br>\r\n";
+	    logout_error($string,$color);
         }
         exit;
     }
 
+    $server_info = fgets ($imap_stream, 1024);
+
+    /* Decrypt the password */
+    $password = OneTimePadDecrypt($password, $onetimepad);
+
     $query = 'LOGIN "' . quoteIMAP($username) .  '" "' . quoteIMAP($password) . '"';
     $read = sqimap_run_command ($imap_stream, $query, false, $response, $message);
 
-    /** If the connection was not successful, lets see why **/
+    /* If the connection was not successful, lets see why */
     if ($response != 'OK') {
         if (!$hide) {
             if ($response != 'NO') {
-                // "BAD" and anything else gets reported here.
+                /* "BAD" and anything else gets reported here. */
                 set_up_language($squirrelmail_language, true);
+		require_once(SM_PATH . 'functions/display_messages.php');
                 if ($response == 'BAD') {
-                   printf (_("Bad request: %s")."<br>\r\n", $message);
+                   $string = sprintf (_("Bad request: %s")."<br>\r\n", $message);
                 } else {
-                   printf (_("Unknown error: %s") . "<br>\n", $message);
+                   $string = sprintf (_("Unknown error: %s") . "<br>\n", $message);
                 }
-                echo '<br>' . _("Read data:") . "<br>\n";
+                $string .= '<br>' . _("Read data:") . "<br>\n";
                 if (is_array($read)) {
                     foreach ($read as $line) {
-                        echo htmlspecialchars($line) . "<br>\n";
+                        $string .= htmlspecialchars($line) . "<br>\n";
                     }
                 }
+		error_box($string,$color);
                 exit;
             } else {
-                /* If the user does not log in with the correct
+                /*
+                 * 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
+                 *
+                 * $squirrelmail_language is set by a cookie when
                  * the user selects language and logs out
-		 */
+                 */
                 
                 set_up_language($squirrelmail_language, true);
-                
-                displayHtmlHeader( _("Unknown user or password incorrect.") );
-                echo "<body bgcolor=\"#ffffff\">\n";
-                error_username_password_incorrect();
-                session_destroy();
+                include_once(SM_PATH . 'functions/display_messages.php' );
+		sqsession_destroy();
+                logout_error( _("Unknown user or password incorrect.") );
                 exit;
             }
         } else {
             exit;
         }
     }
-    
     return $imap_stream;
 }
 
-/*
- *  Simply logs out the imap session
- */
+/* Simply logs out the IMAP session */
 function sqimap_logout ($imap_stream) {
-    /* Logout is not valid until the server returns 'BYE' */
-    sqimap_run_command($imap_stream, 'LOGOUT', false, $response, $message);
+    /* Logout is not valid until the server returns 'BYE'
+     * If we don't have an imap_ stream we're already logged out */
+    if(isset($imap_stream) && $imap_stream)
+        sqimap_run_command($imap_stream, 'LOGOUT', false, $response, $message);
 }
 
-function sqimap_capability($imap_stream, $capability) {
+function sqimap_capability($imap_stream, $capability='') {
     global $sqimap_capabilities;
-    
     if (!is_array($sqimap_capabilities)) {
         $read = sqimap_run_command($imap_stream, 'CAPABILITY', true, $a, $b);
 
         $c = explode(' ', $read[0]);
         for ($i=2; $i < count($c); $i++) {
             $cap_list = explode('=', $c[$i]);
-            if (isset($cap_list[1]))
+            if (isset($cap_list[1])) {
                 $sqimap_capabilities[$cap_list[0]] = $cap_list[1];
-            else
+            } else {
                 $sqimap_capabilities[$cap_list[0]] = TRUE;
+            }
         }
     }
-    if (! isset($sqimap_capabilities[$capability])) {
-        return false;
-    } else {
-        return $sqimap_capabilities[$capability];
+    if ($capability) {
+	if (isset($sqimap_capabilities[$capability])) {
+    	    return $sqimap_capabilities[$capability];
+	} else {
+    	    return false;
+	}
     }
+    return $sqimap_capabilities;
 }
 
-/******************************************************************************
-**  Returns the delimeter between mailboxes:  INBOX/Test, or INBOX.Test...
-******************************************************************************/
+/* Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test */
 function sqimap_get_delimiter ($imap_stream = false) {
+    global $sqimap_delimiter, $optional_delimiter;
 
-    global $sqimap_delimiter;
-    global $optional_delimiter;
-    
     /* Use configured delimiter if set */
     if((!empty($optional_delimiter)) && $optional_delimiter != 'detect') {
         return $optional_delimiter;
     }
-    
+
     /* Do some caching here */
     if (!$sqimap_delimiter) {
         if (sqimap_capability($imap_stream, 'NAMESPACE')) {
-            /* According to something that I can't find, this is supposed to work on all systems
-            OS: This won't work in Courier IMAP.
-            OS:  According to rfc2342 response from NAMESPACE command is:
-            OS:  * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
-            OS:  We want to lookup all personal NAMESPACES...
-            */
+            /*
+             * According to something that I can't find, this is supposed to work on all systems
+             * OS: This won't work in Courier IMAP.
+             * OS: According to rfc2342 response from NAMESPACE command is:
+             * OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
+             * OS: We want to lookup all personal NAMESPACES...
+             */
             $read = sqimap_run_command($imap_stream, 'NAMESPACE', true, $a, $b);
             if (eregi('\\* NAMESPACE +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL)', $read[0], $data)) {
                 if (eregi('^\\( *\\((.*)\\) *\\)', $data[1], $data2)) {
@@ -314,55 +356,57 @@ function sqimap_get_delimiter ($imap_stream = false) {
 }
 
 
-/*
- *  Gets the number of messages in the current mailbox.
- */
+/* Gets the number of messages in the current mailbox. */
 function sqimap_get_num_messages ($imap_stream, $mailbox) {
-
-    $read_ary = sqimap_run_command ($imap_stream, "EXAMINE \"$mailbox\"", true, $result, $message);
+    $read_ary = sqimap_run_command ($imap_stream, "EXAMINE \"$mailbox\"", false, $result, $message);
     for ($i = 0; $i < count($read_ary); $i++) {
-     if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
-        return $regs[1];
-     }
+        if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
+            return $regs[1];
+        }
     }
-    return sprintf( "BUG!  Couldn't get number of messages in %s!", $mailbox );
-    
+    return false; //"BUG! Couldn't get number of messages in $mailbox!";
 }
 
 
-/*
-*  Returns a displayable email address
-*/
+/* Returns a displayable email address.
+ *     Luke Ehresman <lehresma@css.tayloru.edu>
+ *     "Luke Ehresman" <lehresma@css.tayloru.edu>
+ *     <lehresma@css.tayloru.edu>
+ *     lehresma@css.tayloru.edu (Luke Ehresman)
+ *     lehresma@css.tayloru.edu
+ * becomes: lehresma@css.tayloru.edu
+ */
 function sqimap_find_email ($string) {
-    /** Luke Ehresman <lehresma@css.tayloru.edu>
-    ** <lehresma@css.tayloru.edu>
-    ** lehresma@css.tayloru.edu
-    **
-    ** What about
-    **    lehresma@css.tayloru.edu (Luke Ehresman)
-    **/
-    
     if (ereg("<([^>]+)>", $string, $regs)) {
         $string = $regs[1];
+    } else if (ereg("([^ ]+@[^ ]+)", $string, $regs)) {
+        $string = $regs[1];
     }
     return trim($string);
 }
 
 
 /*
- *  Takes the From: field, and creates a displayable name.
- *    Luke Ehresman   <lkehresman@yahoo.com>
- *    "Luke Ehresman" <lkehresman@yahoo.com>
- *    lkehresman@yahoo.com (Luke Ehresman)
- *           become:   Luke Ehresman
- *    <lkehresman@yahoo.com>
- *           becomes:   lkehresman@yahoo.com
+ * Takes the From: field and creates a displayable name.
+ *     Luke Ehresman   <lkehresman@yahoo.com>
+ *     "Luke Ehresman" <lkehresman@yahoo.com>
+ *     lkehresman@yahoo.com (Luke Ehresman)
+ * becomes: Luke Ehresman
+ *     <lkehresman@yahoo.com>
+ * becomes: lkehresman@yahoo.com
  */
 function sqimap_find_displayable_name ($string) {
     $string = trim($string);
-    
+
     if ( ereg('^(.+)<.*>', $string, $regs) ) {
-        $string = ereg_replace ('"', '', $regs[1] );
+        $orig_string = $string;
+        $string = str_replace ('"', '', $regs[1] );
+        if (trim($string) == '') {
+             $string = sqimap_find_email($orig_string);
+        }
+        if( $string == '' || $string == ' ' ){
+            $string = '&nbsp';
+        }
     }
     elseif ( ereg('\((.*)\)', $string, $regs) ) {
         if( ( $regs[1] == '' ) || ( $regs[1] == ' ' ) ){
@@ -376,34 +420,106 @@ function sqimap_find_displayable_name ($string) {
         }
     }
     else {
-        $string = sqimap_find_email($string);
+        $string = str_replace ('"', '', sqimap_find_email($string));
     }
 
     return trim($string);
 }
-    
+
 /*
-*  Returns the number of unseen messages in this folder
-*/
+ * Returns the number of unseen messages in this folder
+ */
 function sqimap_unseen_messages ($imap_stream, $mailbox) {
-    //fputs ($imap_stream, sqimap_session_id() . " SEARCH UNSEEN NOT DELETED\r\n");
-    $read_ary = sqimap_run_command ($imap_stream, " STATUS \"$mailbox\" (UNSEEN)", true, $result, $message);
-    ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs);
+    $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (UNSEEN)", false, $result, $message);
+    $i = 0;
+    $regs = array(false, false);
+    while (isset($read_ary[$i])) {
+        if (ereg("UNSEEN ([0-9]+)", $read_ary[$i], $regs)) {
+            break;
+        }
+        $i++;
+    }
     return $regs[1];
 }
 
+/*
+ * Returns the number of unseen/total messages in this folder
+ */
+function sqimap_status_messages ($imap_stream, $mailbox) {
+    $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (MESSAGES UNSEEN)", false, $result, $message);
+    $i = 0;
+    $messages = $unseen = false;
+    $regs = array(false,false);
+    while (isset($read_ary[$i])) {
+        if (preg_match('/UNSEEN\s+([0-9]+)/i', $read_ary[$i], $regs)) {
+	    $unseen = $regs[1];
+	}
+        if (preg_match('/MESSAGES\s+([0-9]+)/i', $read_ary[$i], $regs)) {
+	    $messages = $regs[1];
+	}
+        $i++;
+    }
+    return array('MESSAGES' => $messages, 'UNSEEN'=>$unseen);
+}
+
 
 /*
-*  Saves a message to a given folder -- used for saving sent messages
-*/
+ *  Saves a message to a given folder -- used for saving sent messages
+ */
 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 ($imap_stream) {
+function sqimap_append_done ($imap_stream, $folder='') {
+    global $squirrelmail_language, $color;
     fputs ($imap_stream, "\r\n");
     $tmp = fgets ($imap_stream, 1024);
+    if (preg_match("/(.*)(BAD|NO)(.*)$/", $tmp, $regs)) {
+        set_up_language($squirrelmail_language);
+        require_once(SM_PATH . 'functions/display_messages.php');
+	$reason = $regs[3];
+	if ($regs[2] == 'NO') {
+	   $string = "<b><font color=$color[2]>\n" .
+        	  _("ERROR : Could not append message to") ." $folder." .
+        	  "</b><br>\n" .
+        	  _("Server responded: ") .
+        	  $reason . "<br>\n";
+	   if (preg_match("/(.*)(quota)(.*)$/i", $reason, $regs)) {
+	      $string .= _("Solution: ") . 
+	    _("Remove unneccessary messages from your folder and start with your Trash folder.") 
+	      ."<br>\n";
+	   }
+	   $string .= "</font>\n";
+	   error_box($string,$color);
+	} else {
+           $string = "<b><font color=$color[2]>\n" .
+        	  _("ERROR : Bad or malformed request.") .
+        	  "</b><br>\n" .
+        	  _("Server responded: ") .
+        	  $tmp . "</font><br>\n";
+	   error_box($string,$color);
+           exit;
+	}
+    }
+}
+
+function sqimap_get_user_server ($imap_server, $username) {
+   if (substr($imap_server, 0, 4) != "map:") {
+       return $imap_server;
+   }
+   $function = substr($imap_server, 4);
+   return $function($username);
 }
-   
+
+/* This is an example that gets imapservers from yellowpages (NIS).
+ * you can simple put map:map_yp_alias in your $imap_server_address 
+ * in config.php use your own function instead map_yp_alias to map your
+ * LDAP whatever way to find the users imapserver. */
+
+function map_yp_alias($username) {
+   $yp = `ypmatch $username aliases`;
+   return chop(substr($yp, strlen($username)+1));
+} 
+
 ?>