diff --git a/apps/calendar/appinfo/database.xml b/apps/calendar/appinfo/database.xml
index 5d2f415c7b..73457e6c6c 100644
--- a/apps/calendar/appinfo/database.xml
+++ b/apps/calendar/appinfo/database.xml
@@ -81,7 +81,7 @@
     <type>text</type>
     <default></default>
     <notnull>false</notnull>
-    <length>100</length>
+    <length>255</length>
    </field>
 
    <field>
@@ -133,7 +133,7 @@
     <type>text</type>
     <default></default>
     <notnull>false</notnull>
-    <length>100</length>
+    <length>255</length>
    </field>
 
    <field>
diff --git a/apps/calendar/appinfo/version b/apps/calendar/appinfo/version
index ea2303bc03..2eb3c4fe4e 100644
--- a/apps/calendar/appinfo/version
+++ b/apps/calendar/appinfo/version
@@ -1 +1 @@
-0.5
\ No newline at end of file
+0.5
diff --git a/apps/files_sharing/lib_share.php b/apps/files_sharing/lib_share.php
index cf5456d704..356c958b6c 100644
--- a/apps/files_sharing/lib_share.php
+++ b/apps/files_sharing/lib_share.php
@@ -104,10 +104,6 @@ class OC_Share {
 						$counter++;
 					}
 				}
-				if (isset($gid)) {
-					$uid = $uid."@".$gid;
-				}
-				$query->execute(array($uid_owner, $uid, $source, $target, $permissions));
 				// Update mtime of shared folder to invoke a file cache rescan
 				$rootView=new OC_FilesystemView('/');
 				if (!$rootView->is_dir($sharedFolder)) {
@@ -119,6 +115,10 @@ class OC_Share {
 					$rootView->mkdir($sharedFolder);
 				}
 				$rootView->touch($sharedFolder);
+				if (isset($gid)) {
+					$uid = $uid."@".$gid;
+				}
+				$query->execute(array($uid_owner, $uid, $source, $target, $permissions));
 			}
 		}
 	}
diff --git a/lib/config.php b/lib/config.php
index e3a9c11f24..9279549b1b 100644
--- a/lib/config.php
+++ b/lib/config.php
@@ -170,14 +170,18 @@ class OC_Config{
 		}
 		$content .= ");\n?>\n";
 
+		$filename = OC::$SERVERROOT."/config/config.php";
 		// Write the file
-		$result=@file_put_contents( OC::$SERVERROOT."/config/config.php", $content );
+		$result=@file_put_contents( $filename, $content );
 		if(!$result) {
 			$tmpl = new OC_Template( '', 'error', 'guest' );
 			$tmpl->assign('errors',array(1=>array('error'=>"Can't write into config directory 'config'",'hint'=>"You can usually fix this by giving the webserver user write access to the config directory in owncloud")));
 			$tmpl->printPage();
 			exit;
 		}
+		// Prevent others not to read the config
+		@chmod($filename, 0640);
+
 		return true;
 	}
 }
diff --git a/lib/filesystem.php b/lib/filesystem.php
index 454bb1aa81..dd74daffa4 100644
--- a/lib/filesystem.php
+++ b/lib/filesystem.php
@@ -319,6 +319,9 @@ class OC_Filesystem{
 		if(substr($mountpoint,-1)!=='/'){
 			$mountpoint=$mountpoint.'/';
 		}
+    if (self::getView() != null && $mountpoint != '/' && !self::is_dir(basename($mountpoint))) {
+			self::mkdir(basename($mountpoint));
+		}
 		self::$mounts[$mountpoint]=array('class'=>$class,'arguments'=>$arguments);
 	}