Whitespace fixes: removed trailing whitespaces, always use tabs for indentation.

scripts/rlogin-brute.nse

@@ -10,13 +10,13 @@ The script needs to be run in privileged mode.
 -- @output
 -- PORT    STATE SERVICE
 -- 513/tcp open  login
--- | rlogin-brute: 
+-- | rlogin-brute:
 -- |   Accounts
 -- |     nmap:test - Valid credentials
 -- |   Statistics
 -- |_    Performed 4 guesses in 5 seconds, average tps: 0
 --
--- @args rlogin-brute.timeout number 
+-- @args rlogin-brute.timeout number
 
 -- Version 0.1
 -- Created 11/02/2011 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
@@ -42,14 +42,14 @@ Driver = {
 		setmetatable(o, self)
 		self.__index = self
 		return o
-    end,
-    
+	end,
+
 	-- connects to the rlogin service
 	-- it sets the source port to a random value between 513 and 1024
 	connect = function(self)
 
 		local status
-		
+
 		self.socket = nmap.new_socket()
 		-- apparently wee need a source port below 1024
 		-- this approach is not very elegant as it causes address already in
@@ -75,7 +75,7 @@ Driver = {
 		end
 		return status
 	end,
-	
+
 	login = function(self, username, password)
 		local data = ("\0%s\0%s\0vt100/9600\0"):format(username, username)
 		local status, err = self.socket:send(data)
@@ -88,11 +88,11 @@ Driver = {
 		end
 		if ( data ~= "\0" ) then
 			stdnse.print_debug(2, "ERROR: Expected null byte")
-            local err = brute.Error:new( "Expected null byte" )
-            err:setRetry( true )
+			local err = brute.Error:new( "Expected null byte" )
+			err:setRetry( true )
 			return false, err
 		end
-		
+
 		status, data = self.socket:receive()
 		if (not(status)) then
 			local err = brute.Error:new("Failed to read response from server")
@@ -101,11 +101,11 @@ Driver = {
 		end
 		if ( data ~= "Password: " ) then
 			stdnse.print_debug(2, "ERROR: Expected password prompt")
-            local err = brute.Error:new( "Expected password prompt" )
-            err:setRetry( true )
+			local err = brute.Error:new( "Expected password prompt" )
+			err:setRetry( true )
 			return false, err
 		end
-		
+
 		status, err = self.socket:send(password .. "\r")
 		status, data = self.socket:receive()
 		if (not(status)) then
@@ -113,21 +113,21 @@ Driver = {
 			err:setRetry( true )
 			return false, err
 		end
-		
+
 		status, data = self.socket:receive()
 		if (not(status)) then
 			local err = brute.Error:new("Failed to read response from server")
 			err:setRetry( true )
 			return false, err
 		end
-		
+
 		if ( data:match("[Pp]assword") or data:match("[Ii]ncorrect") ) then
 			return false, brute.Error:new( "Incorrect password" )
 		end
-		
+
 		return true, brute.Account:new(username, password, creds.State.VALID)
 	end,
-	
+
 	disconnect = function(self)
 		return self.socket:close()
 	end,
@@ -142,13 +142,13 @@ action = function(host, port)
 	local options = {
 		timeout = stdnse.get_script_args("rlogin-brute.timeout")
 	}
-	
+
 	options.timeout = options.timeout and
 		tonumber(options.timeout) * 1000 or
 		10000
 
 	local engine = brute.Engine:new(Driver, host, port, options)
-	engine.options.script_name = SCRIPT_NAME	
+	engine.options.script_name = SCRIPT_NAME
 	status, result = engine:start()
 	return result
 end