Remove trailing whitespace in lua files

Whitespace is not significant, so this should not be a problem.
https://secwiki.org/w/Nmap/Code_Standards

nselib/ndmp.lua

@@ -14,7 +14,7 @@ local table = require "table"
 _ENV = stdnse.module("ndmp", stdnse.seeall)
 
 NDMP = {
-	
+
 	-- Message types
 	MessageType = {
 		CONFIG_GET_HOST_INFO 	= 0x00000100,
@@ -23,24 +23,24 @@ NDMP = {
 		CONFIG_GET_SERVER_INFO 	= 0x00000108,
 		CONNECT_CLIENT_AUTH		= 0x00000901,
 	},
-	
+
 	-- The fragment header, 4 bytes where the highest bit is used to determine
-	-- whether the fragment is the last or not.	
+	-- whether the fragment is the last or not.
 	FragmentHeader = {
 		size = 4,
-		
+
 		-- Creates a new instance of fragment header
 		-- @return o instance of Class
 		new = function(self)
-			local o = {	
+			local o = {
 				last = true,
 				length = 24,
 			}
 			setmetatable(o, self)
 			self.__index = self
-			return o		
+			return o
 		end,
-		
+
 		-- Parse data stream and create a new instance of this class
 		-- @param data opaque string
 		-- @return fh new instance of FragmentHeader class
@@ -51,7 +51,7 @@ NDMP = {
 			fh.last= bit.rshift(tmp, 31)
 			return fh
 		end,
-		
+
 		-- Serializes the instance to an opaque string
 		-- @return str string containing the serialized class
 		__tostring = function(self)
@@ -62,9 +62,9 @@ NDMP = {
 			tmp = tmp + self.length
 			return bin.pack(">I", tmp)
 		end,
-		
+
 	},
-	
+
 	-- The ndmp 24 byte header
 	Header = {
 		size = 24,
@@ -72,7 +72,7 @@ NDMP = {
 		-- creates a new instance of Header
 		-- @return o instance of Header
 		new = function(self)
-			local o = {	
+			local o = {
 				seq = 0,
 				time = os.time(),
 				type = 0,
@@ -82,9 +82,9 @@ NDMP = {
 			}
 			setmetatable(o, self)
 			self.__index = self
-			return o		
+			return o
 		end,
-		
+
 		-- Create a Header instance from opaque data string
 		-- @param data opaque string
 		-- @return hdr new instance of Header
@@ -94,16 +94,16 @@ NDMP = {
 			pos, hdr.seq, hdr.time, hdr.type, hdr.msg, hdr.reply_seq, hdr.error = bin.unpack(">IIIIII", data)
 			return hdr
 		end,
-		
+
 		-- Serializes the instance to an opaque string
 		-- @return str string containing the serialized class instance
 		__tostring = function(self)
 			return bin.pack(">IIIIII", self.seq, self.time, self.type, self.msg, self.reply_seq, self.error)
 		end,
-		
+
 	},
 }
-			
+
 NDMP.Message = {}
 
 NDMP.Message.ConfigGetServerInfo = {
@@ -119,9 +119,9 @@ NDMP.Message.ConfigGetServerInfo = {
 		o.header.msg = NDMP.MessageType.CONFIG_GET_SERVER_INFO
 		setmetatable(o, self)
 		self.__index = self
-		return o		
+		return o
 	end,
-	
+
 	-- Create a ConfigGetServerInfo instance from opaque data string
 	-- @param data opaque string
 	-- @return msg new instance of ConfigGetServerInfo
@@ -131,7 +131,7 @@ NDMP.Message.ConfigGetServerInfo = {
 		data = data:sub(NDMP.FragmentHeader.size + 1)
 		msg.header = NDMP.Header.parse(data)
 		msg.data = data:sub(NDMP.Header.size + 1)
-		
+
 		msg.serverinfo = {}
 		local pos, err = bin.unpack(">I", msg.data)
 		pos, msg.serverinfo.vendor = Util.parseString(msg.data, pos)
@@ -144,7 +144,7 @@ NDMP.Message.ConfigGetServerInfo = {
 	-- @return str string containing the serialized class instance
 	__tostring = function(self)
 		return tostring(self.frag_header) .. tostring(self.header) .. tostring(self.data or "")
-	end,					
+	end,
 
 }
 
@@ -158,7 +158,7 @@ NDMP.Message.ConfigGetHostInfo = {
 		o.header.msg = NDMP.MessageType.CONFIG_GET_HOST_INFO
 		setmetatable(o, self)
 		self.__index = self
-		return o		
+		return o
 	end,
 
 	parse = function(data)
@@ -167,19 +167,19 @@ NDMP.Message.ConfigGetHostInfo = {
 		data = data:sub(NDMP.FragmentHeader.size + 1)
 		msg.header = NDMP.Header.parse(data)
 		msg.data = data:sub(NDMP.Header.size + 1)
-		
+
 		msg.hostinfo = {}
 		local pos, err = bin.unpack(">I", msg.data)
 		pos, msg.hostinfo.hostname = Util.parseString(msg.data, pos)
 		pos, msg.hostinfo.ostype = Util.parseString(msg.data, pos)
 		pos, msg.hostinfo.osver = Util.parseString(msg.data, pos)
-		pos, msg.hostinfo.hostid = Util.parseString(msg.data, pos)		
+		pos, msg.hostinfo.hostid = Util.parseString(msg.data, pos)
 		return msg
 	end,
-	
+
 	__tostring = function(self)
 		return tostring(self.frag_header) .. tostring(self.header) .. tostring(self.data or "")
-	end,					
+	end,
 }
 
 NDMP.Message.ConfigGetFsInfo = {
@@ -194,16 +194,16 @@ NDMP.Message.ConfigGetFsInfo = {
 		o.header.msg = NDMP.MessageType.CONFIG_GET_FS_INFO
 		setmetatable(o, self)
 		self.__index = self
-		return o		
+		return o
 	end,
-	
+
 	parse = function(data)
 		local msg = NDMP.Message.ConfigGetFsInfo:new()
 		msg.frag_header = NDMP.FragmentHeader.parse(data)
 		data = data:sub(NDMP.FragmentHeader.size + 1)
 		msg.header = NDMP.Header.parse(data)
 		msg.data = data:sub(NDMP.Header.size + 1)
-		
+
 		local pos, err, count = bin.unpack(">II", msg.data)
 		for i=1, count do
 			local item = {}
@@ -217,19 +217,19 @@ NDMP.Message.ConfigGetFsInfo = {
 			pos, item.total_inodes = bin.unpack(">L", msg.data, pos)
 			pos, item.used_inodes = bin.unpack(">L", msg.data, pos)
 			pos, item.fs_env = Util.parseString(msg.data, pos)
-			pos, item.fs_status = Util.parseString(msg.data, pos)	
+			pos, item.fs_status = Util.parseString(msg.data, pos)
 			table.insert(msg.fsinfo, item)
 		end
 		return msg
 	end,
-	
+
 	__tostring = function(self)
 		return tostring(self.frag_header) .. tostring(self.header) .. tostring(self.data or "")
-	end,					
+	end,
 }
 
 NDMP.Message.UnhandledMessage = {
-	
+
 	new = function(self)
 		local o = {
 			frag_header = NDMP.FragmentHeader:new(),
@@ -238,9 +238,9 @@ NDMP.Message.UnhandledMessage = {
 		}
 		setmetatable(o, self)
 		self.__index = self
-		return o		
+		return o
 	end,
-	
+
 	parse = function(data)
 		local msg = NDMP.Message.ConfigGetFsInfo:new()
 		msg.frag_header = NDMP.FragmentHeader.parse(data)
@@ -249,22 +249,22 @@ NDMP.Message.UnhandledMessage = {
 		msg.data = data:sub(NDMP.Header.size + 1)
 		return msg
 	end,
-	
+
 	__tostring = function(self)
 		return tostring(self.frag_header) .. tostring(self.header) .. tostring(self.data or "")
 	end
-	
+
 }
 
 Util = {
-	
+
 	parseString = function(data, pos)
 		local pos, str = bin.unpack(">a", data, pos)
 		local pad = ( 4 - ( #str % 4 ) ~= 4 ) and 4 - ( #str % 4 ) or 0
 		return pos + pad, str
-	
+
 	end,
-	
+
 }
 
 NDMP.TypeToMessage = {
@@ -275,7 +275,7 @@ NDMP.TypeToMessage = {
 
 -- Handles the communication with the NDMP service
 Comm = {
-	
+
 	-- Creates new Comm instance
 	-- @param host table as received by the action method
 	-- @param port table as receuved by the action method
@@ -290,9 +290,9 @@ Comm = {
 		}
 		setmetatable(o, self)
 		self.__index = self
-		return o		
+		return o
 	end,
-	
+
 	-- Connects to the NDMP server
 	-- @return status true on success, false on failure
 	connect = function(self)
@@ -300,11 +300,11 @@ Comm = {
 		self.socket:set_timeout(10000)
 		return self.socket:connect(self.host, self.port)
 	end,
-	
+
 	-- Receives a message from the server
 	-- @return status true on success, false on failure
 	-- @return msg NDMP message when a parser exists, otherwise nil
-	sock_recv = function(self)	
+	sock_recv = function(self)
 		local status, frag_data = self.socket:receive_buf(match.numbytes(4), true)
 		if ( not(status) ) then
 			return false, "Failed to read NDMP 4-byte fragment header"
@@ -321,20 +321,20 @@ Comm = {
 		if ( not(status) ) then
 			return false, "Failed to read NDMP data"
 		end
-		
+
 		if ( NDMP.TypeToMessage[header.msg] ) then
 			return true, NDMP.TypeToMessage[header.msg].parse(frag_data .. header_data .. data)
 		end
 		return true, NDMP.Message.UnhandledMessage.parse(frag_data .. header_data .. data)
 	end,
-	
+
 	recv = function(self)
 		if ( #self.in_queue > 0 ) then
 			return true, table.remove(self.in_queue, 1)
 		end
 		return self:sock_recv()
 	end,
-	
+
 	-- Sends a message to the server
 	-- @param msg NDMP message
 	-- @return status true on success, false on failure
@@ -344,8 +344,8 @@ Comm = {
 		msg.header.seq = self.seq
 		return self.socket:send(tostring(msg))
 	end,
-	
-	
+
+
 	exch = function(self, msg)
 		local status, err = self:send(msg)
 		if ( not(status) ) then
@@ -363,50 +363,50 @@ Comm = {
 			local reply
 			status, reply = self:sock_recv()
 			if ( not(status) ) then
-				return false, "Failed to receive msg from server" 
+				return false, "Failed to receive msg from server"
 			elseif ( reply and reply.header and reply.header.reply_seq == s_seq ) then
 				return true, reply
 			else
 				table.insert(self.in_queue, reply)
 			end
-		end		
+		end
 	end,
-	
+
 	close = function(self) return self.socket:close() end,
-	
+
 }
 
 
 Helper = {
-	
+
 	new = function(self, host, port)
 		local o = { comm = Comm:new(host, port) }
 		setmetatable(o, self)
 		self.__index = self
-		return o		
+		return o
 	end,
-		
+
 	connect = function(self)
 		return self.comm:connect()
 	end,
-	
+
 	getFsInfo = function(self)
 		return self.comm:exch(NDMP.Message.ConfigGetFsInfo:new())
 	end,
-	
+
 	getHostInfo = function(self)
 		return self.comm:exch(NDMP.Message.ConfigGetHostInfo:new())
 	end,
-	
+
 	getServerInfo = function(self)
 		return self.comm:exch(NDMP.Message.ConfigGetServerInfo:new())
 	end,
-	
+
 	close = function(self)
 		return self.comm:close()
-	
+
 	end
-	
+
 }
 
 return _ENV;