Index: t3lib/class.t3lib_div.php
===================================================================
--- t3lib/class.t3lib_div.php	(revision 7383)
+++ t3lib/class.t3lib_div.php	(working copy)
@@ -2961,21 +2961,39 @@
 	}
 
 	/**
-	 * Sets the file system mode and group ownership of file.
+	 * Sets the file system mode and group ownership of a file or a folder.
 	 *
-	 * @param string $file
-	 *               the path of an existing file, must not be escaped
-	 *
-	 * @return void
+	 * @param   string   Filepath of file or folder, must not be escaped
+	 * @param   boolean  If set, also fixes permissions of files and folders in the folder (if $path is a folder)
+	 * @return  void	
 	 */
-	public static function fixPermissions($file)	{
-		if (@is_file($file) && TYPO3_OS!='WIN')	{
-			@chmod($file, octdec($GLOBALS['TYPO3_CONF_VARS']['BE']['fileCreateMask']));		// "@" is there because file is not necessarily OWNED by the user
+	public static function fixPermissions($path, $recursively = FALSE) {
+			
+		if (TYPO3_OS != 'WIN') {
+			if (@is_file($path))	{
+				@chmod($path, octdec($GLOBALS['TYPO3_CONF_VARS']['BE']['fileCreateMask']));		// "@" is there because file is not necessarily OWNED by the user
+			} elseif (@is_dir($path)) {
+				@chmod($path, octdec($GLOBALS['TYPO3_CONF_VARS']['BE']['folderCreateMask']));		// "@" is there because file is not necessarily OWNED by the user
+			}
 			if($GLOBALS['TYPO3_CONF_VARS']['BE']['createGroup'])	{	// skip this if createGroup is empty
-				@chgrp($file, $GLOBALS['TYPO3_CONF_VARS']['BE']['createGroup']);		// "@" is there because file is not necessarily OWNED by the user
+				@chgrp($path, $GLOBALS['TYPO3_CONF_VARS']['BE']['createGroup']);		// "@" is there because file is not necessarily OWNED by the user
 			}
 		}
+		
+		if (@is_dir($path) && $recursively) {
+			$handle = opendir($path);
+			while (($file = readdir($handle)) !== false) {
+				if ($file != '.' && $file != '..') {
+					if (@is_file($path . $file)) {
+						t3lib_div::fixPermissions($path . $file);
+					} elseif (@is_dir($path . $file . '/')) {
+						t3lib_div::fixPermissions($path . $file . '/', TRUE);
+					}
+				}
+			}
+		}
 	}
+	
 
 	/**
 	 * Writes $content to a filename in the typo3temp/ folder (and possibly one or two subfolders...)
@@ -3028,18 +3046,13 @@
 	 * @param	string		Absolute path to folder, see PHP mkdir() function. Removes trailing slash internally.
 	 * @return	boolean		TRUE if @mkdir went well!
 	 */
-	public static function mkdir($theNewFolder)	{
-		$theNewFolder = preg_replace('|/$|','',$theNewFolder);
-		if (@mkdir($theNewFolder, octdec($GLOBALS['TYPO3_CONF_VARS']['BE']['folderCreateMask']))){
-			chmod($theNewFolder, octdec($GLOBALS['TYPO3_CONF_VARS']['BE']['folderCreateMask'])); //added this line, because the mode at 'mkdir' has a strange behaviour sometimes
-
-			if($GLOBALS['TYPO3_CONF_VARS']['BE']['createGroup'])	{	// skip this if createGroup is empty
-				@chgrp($theNewFolder, $GLOBALS['TYPO3_CONF_VARS']['BE']['createGroup']);
-			}
-			return true;
-		} else {
-			return false;
+	public static function mkdir($newFolder)	{
+		$newFolder = preg_replace('|/$|','',$newFolder);
+		$success = @mkdir($newFolder, octdec($GLOBALS['TYPO3_CONF_VARS']['BE']['folderCreateMask']));
+		if ($success) {
+			self::fixPermissions($newFolder);
 		}
+		return $success;
 	}
 
 	/**
Index: typo3/mod/tools/em/class.em_index.php
===================================================================
--- typo3/mod/tools/em/class.em_index.php	(revision 7383)
+++ typo3/mod/tools/em/class.em_index.php	(working copy)
@@ -1498,6 +1498,8 @@
 							$GLOBALS['LANG']->getLL('translation_update_done') . '";
 					</script>
 				';
+					// Fix permissions on unzipped language xml files in the entire l10n folder and all subfolders...
+				t3lib_div::fixPermissions(PATH_typo3conf . 'l10n/', TRUE);
 				echo $contentParts[1] . $this->doc->endPage();
 				exit;
 			}
@@ -1521,7 +1523,7 @@
 			$path = 'l10n/'.$lang.'/';
 			if(!is_dir(PATH_typo3conf.$path)) t3lib_div::mkdir_deep(PATH_typo3conf,$path);
 			t3lib_div::writeFile($file, $l10n[0]);
-			if($this->unzip($file, PATH_typo3conf.$path)) {
+			if($this->unzip($file, PATH_typo3conf . $path)) {
 				return true;
 			} else {
 				return $GLOBALS['LANG']->getLL('translation_unpacking_failed');
@@ -1541,11 +1543,11 @@
 	function installTranslationsForExtension($extKey, $mirrorURL) {
 		$selectedLanguages = unserialize($this->MOD_SETTINGS['selectedLanguages']);
 		if(!is_array($selectedLanguages)) $selectedLanguages = array();
-		foreach($selectedLanguages as $lang) {
+		foreach ($selectedLanguages as $lang) {
 			$l10n = $this->terConnection->fetchTranslation($extKey, $lang, $mirrorURL);
 			if(is_array($l10n)) {
-				$file = PATH_typo3conf.'l10n/'.$extKey.'-l10n-'.$lang.'.zip';
-				$path = 'l10n/'.$lang.'/'.$extKey;
+				$file = PATH_typo3conf . 'l10n/' . $extKey . '-l10n-' . $lang . '.zip';
+				$path = 'l10n/' . $lang . '/' . $extKey;
 				t3lib_div::writeFile($file, $l10n[0]);
 				if(!is_dir(PATH_typo3conf.$path)) t3lib_div::mkdir_deep(PATH_typo3conf,$path);
 				if($this->unzip($file, PATH_typo3conf.$path)) {