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/mysql.lua

@@ -17,7 +17,7 @@ _ENV = stdnse.module("mysql", stdnse.seeall)
 
 -- Version 0.3
 --
--- Created 01/15/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net> 
+-- Created 01/15/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
 -- Revised 01/23/2010 - v0.2 - added query support, cleanup, documentation
 -- Revised 08/24/2010 - v0.3 - added error handling for recieveGreeting
 --                             fixed a number of incorrect receives and changed
@@ -27,7 +27,7 @@ local tab = require('tab')
 
 local HAVE_SSL, openssl = pcall(require,'openssl')
 
-Capabilities = 
+Capabilities =
 {
 	LongPassword = 0x1,
 	FoundRows = 0x2,
@@ -58,7 +58,7 @@ Charset =
 	latin1_COLLATE_latin1_swedish_ci = 0x8
 }
 
-ServerStatus = 
+ServerStatus =
 {
 	InTransaction = 0x1,
 	AutoCommit = 0x2,
@@ -72,7 +72,7 @@ ServerStatus =
 	NoBackslashEscapes = 0x200
 }
 
-Command = 
+Command =
 {
 	Query = 3
 }
@@ -86,14 +86,14 @@ local HEADER_SIZE = 4
 -- @param data string of raw data
 -- @return response table containing the fields <code>len</code> and <code>packetno</code>
 local function decodeHeader( data, pos )
-	
+
 	local response = {}
 	local pos, tmp = pos or 1, 0
-	
+
 	pos, tmp = bin.unpack( "I", data, pos )
 	response.len = bit.band( tmp,255 )
 	response.number = bit.rshift( tmp, 24 )
-	
+
 	return pos, response
 end
 
@@ -106,21 +106,21 @@ end
 -- <code>status</code> or error message on failure (status == false)
 function receiveGreeting( socket )
 
-	local catch = function() socket:close() stdnse.print_debug("receiveGreeting(): failed")	end	
+	local catch = function() socket:close() stdnse.print_debug("receiveGreeting(): failed")	end
 	local try = nmap.new_try(catch)
 	local data = try( socket:receive_bytes(HEADER_SIZE) )
 	local pos, response, tmp, _
-	
-	pos, response = decodeHeader( data, 1 ) 
+
+	pos, response = decodeHeader( data, 1 )
 
 	-- do we need to read the remainder
 	if ( #data - HEADER_SIZE < response.len ) then
 		local tmp = try( socket:receive_bytes( response.len - #data + HEADER_SIZE ) )
 		data = data .. tmp
 	end
-				
+
 	local is_error
-	pos, is_error = bin.unpack( "C", data, pos ) 
+	pos, is_error = bin.unpack( "C", data, pos )
 
 	if ( is_error == 0xff ) then
 		pos, response.errorcode = bin.unpack( "S", data, pos )
@@ -128,7 +128,7 @@ function receiveGreeting( socket )
 
 		return false, response.errormsg
 	end
-	
+
 	pos, response.proto = bin.unpack( "C", data, pos )
 	pos, response.version = bin.unpack( "z", data, pos )
 	pos, response.threadid = bin.unpack( "I", data, pos )
@@ -138,12 +138,12 @@ function receiveGreeting( socket )
 	pos, response.status = bin.unpack( "S", data, pos )
 	pos, _ = bin.unpack( "A13", data, pos )
 	pos, tmp = bin.unpack( "A12", data, pos )
-	
+
 	response.salt = response.salt .. tmp
 	response.errorcode = 0
-	
+
 	return true, response
-	
+
 end
 
 
@@ -193,7 +193,7 @@ end
 -- @return response table or error message on failure
 function loginRequest( socket, params, username, password, salt )
 
-	local catch = function() socket:close() stdnse.print_debug("loginRequest(): failed") end	
+	local catch = function() socket:close() stdnse.print_debug("loginRequest(): failed") end
 	local try = nmap.new_try(catch)
 	local packetno = 1
 	local authversion = params.authversion or "post41"
@@ -201,7 +201,7 @@ function loginRequest( socket, params, username, password, salt )
 
 	if not(HAVE_SSL) then
 		return false, "No OpenSSL"
-	end	
+	end
 
 	if authversion ~= "post41" then
 		return false, "Unsupported authentication version: " .. authversion
@@ -214,70 +214,70 @@ function loginRequest( socket, params, username, password, salt )
 	clicap = clicap + Capabilities.InteractiveClient
 	clicap = clicap + Capabilities.SupportsTransactions
 	clicap = clicap + Capabilities.Support41Auth
-	
+
 	local extcapabilities = ExtCapabilities.SupportsMultipleStatments
 	extcapabilities = extcapabilities + ExtCapabilities.SupportsMultipleResults
-	
+
 	local packet = bin.pack( "S", clicap )
 	packet = packet .. bin.pack( "S", extcapabilities )
 	packet = packet .. bin.pack( "I", MAXPACKET )
 	packet = packet .. bin.pack( "C", Charset.latin1_COLLATE_latin1_swedish_ci )
 	packet = packet .. bin.pack( "A", string.char(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0) )
 	packet = packet .. bin.pack( "z", username )
-	
+
 	if ( password ~= nil and password:len() > 0 ) then
 		local hash = createLoginHash( password, salt )
 		packet = packet .. bin.pack( "A", string.char( 0x14 ) .. hash )
 	else
 		packet = packet .. bin.pack( "C", 0 )
 	end
-	
+
 	local tmp = packet:len() + bit.lshift( packetno, 24 )
-	
+
 	packet = bin.pack( "I", tmp ) .. packet
-	
+
 	try( socket:send(packet) )
 	packet = try( socket:receive_bytes(HEADER_SIZE) )
 	local pos, response = decodeHeader( packet )
-	
+
 	-- do we need to read the remainder
 	if ( #packet - HEADER_SIZE < response.len ) then
 		local tmp = try( socket:receive_bytes( response.len - #packet + HEADER_SIZE ) )
 		packet = packet .. tmp
 	end
-	
+
 	local is_error
-	
-	pos, is_error = bin.unpack( "C", packet, pos ) 
-	
+
+	pos, is_error = bin.unpack( "C", packet, pos )
+
 	if is_error > 0 then
 		pos, response.errorcode = bin.unpack( "S", packet, pos )
-				
+
 		local has_sqlstate
 		pos, has_sqlstate = bin.unpack( "C", packet, pos )
-			
+
 		if has_sqlstate == 35 then
 			pos, response.sqlstate = bin.unpack( "A5", packet, pos )
 		end
-		
-		pos, response.errormessage = bin.unpack( "z", packet, pos )	 
+
+		pos, response.errormessage = bin.unpack( "z", packet, pos )
 
 		return false, response.errormessage
 	else
 		response.errorcode = 0
 		pos, response.affectedrows = bin.unpack( "C", packet, pos )
 		pos, response.serverstatus = bin.unpack( "S", packet, pos )
-		pos, response.warnings = bin.unpack( "S", packet, pos )		
+		pos, response.warnings = bin.unpack( "S", packet, pos )
 	end
-	
+
 	return true, response
-	
+
 end
 
 --- Decodes a single column field
 --
 -- http://forge.mysql.com/wiki/MySQL_Internals_ClientServer_Protocol#Field_Packet
--- 
+--
 -- @param data string containing field packets
 -- @param pos number containing position from which to start decoding
 --            the position should point to the data in this buffer (ie. after the header)
@@ -286,14 +286,14 @@ end
 --					<code>origt_table</code>, <code>name</code>, <code>orig_name</code>,
 --					<code>length</code> and <code>type</code>
 function decodeField( data, pos )
-	
+
 	local header, len
 	local def, _
 	local field = {}
 
 	pos, len = bin.unpack( "C", data, pos )
 	pos, field.catalog = bin.unpack( "A" .. len, data, pos )
-	
+
 	pos, len = bin.unpack( "C", data, pos )
 	pos, field.database = bin.unpack( "A" .. len, data, pos )
 
@@ -311,15 +311,15 @@ function decodeField( data, pos )
 
 	-- should be 0x0C
 	pos, _ = bin.unpack( "C", data, pos )
-	
+
 	-- charset, in my case 0x0800
 	pos, _ = bin.unpack( "S", data, pos )
 
 	pos, field.length = bin.unpack( "I", data, pos )
 	pos, field.type = bin.unpack( "A6", data, pos )
-		
+
 	return pos, field
-	
+
 end
 
 --- Decodes the result set header packet into it's sub components
@@ -330,13 +330,13 @@ end
 -- @return table containing the following <code>header</code>, <code>fields</code> and <code>data</code>
 function decodeQueryResponse( socket )
 
-	local catch = function() socket:close() stdnse.print_debug("decodeQueryResponse(): failed") end	
+	local catch = function() socket:close() stdnse.print_debug("decodeQueryResponse(): failed") end
 	local try = nmap.new_try(catch)
 	local data, header, pos
 	local rs, blocks = {}, {}
 	local block_start, block_end
 	local EOF_MARKER = 254
-	
+
 	data = try( socket:receive_bytes(HEADER_SIZE) )
 	pos, header = decodeHeader( data, pos )
 
@@ -346,9 +346,9 @@ function decodeQueryResponse( socket )
 	if data:len() < header.len then
 		data = data .. try( socket:receive_bytes( header.len - #data + HEADER_SIZE ) )
 	end
-	
+
 	rs.header = data:sub( 1, HEADER_SIZE + header.len )
-	
+
 	-- abort on MySQL error
 	if rs.header:sub(HEADER_SIZE + 1, HEADER_SIZE + 1) == string.char(0xFF) then
 		-- is this a 4.0 or 4.1 error message
@@ -360,29 +360,29 @@ function decodeQueryResponse( socket )
 	end
 
 	pos = HEADER_SIZE + header.len + 1
-		
+
 	-- Second, Let's attempt to read the "Field Packets" and "Row Data Packets"
 	-- They're separated by an "EOF Packet"
 	for i=1,2 do
-		
+
 		-- marks the start of our block
 		block_start = pos
-		
+
 		while true do
-				
+
 			if data:len() - pos < HEADER_SIZE then
-				data = data .. try( socket:receive_bytes( HEADER_SIZE - ( data:len() - pos ) ) )			
+				data = data .. try( socket:receive_bytes( HEADER_SIZE - ( data:len() - pos ) ) )
 			end
-		
+
 			pos, header = decodeHeader( data, pos )
-	
+
 			if data:len() - pos < header.len - 1 then
 				data = data .. try( socket:receive_bytes( header.len - ( data:len() - pos ) ) )
 			end
-						
+
 			if header.len > 0 then
-				local _, b = bin.unpack("C", data, pos ) 
-		
+				local _, b = bin.unpack("C", data, pos )
+
 				-- Is this the EOF packet?
 				if b == EOF_MARKER then
 					-- we don't want the EOF Packet included
@@ -397,15 +397,15 @@ function decodeQueryResponse( socket )
 		end
 
 		blocks[i] = data:sub( block_start, block_end )
-		
+
 	end
 
 
 	rs.fields = blocks[1]
 	rs.data = blocks[2]
-	
+
 	return true, rs
-	
+
 end
 
 --- Decodes as field packet and returns a table of field tables
@@ -415,23 +415,23 @@ end
 -- @param data string containing field packets
 -- @param count number containing the amount of fields to decode
 -- @return status boolean (true on success, false on failure)
--- @return fields table containing field tables as returned by <code>decodeField</code> 
+-- @return fields table containing field tables as returned by <code>decodeField</code>
 --         or string containing error message if status is false
 function decodeFieldPackets( data, count )
-	
+
 	local pos, header
 	local field, fields = {}, {}
-	
+
 	if count < 1 then
 		return false, "Field count was less than one, aborting"
 	end
-	
+
 	for i=1, count do
 		pos, header = decodeHeader( data, pos )
 		pos, field = decodeField( data, pos )
 		table.insert( fields, field )
 	end
-	
+
 	return true, fields
 end
 
@@ -442,15 +442,15 @@ end
 -- @param data string containing the result set header packet
 -- @return number containing the amount of fields
 function decodeResultSetHeader( data )
-	
+
 	local _, fields
-	
+
 	if data:len() ~= HEADER_SIZE + 1 then
 		return false, "Result set header was incorrect"
-	end	
-	
+	end
+
 	_, fields = bin.unpack( "C", data, HEADER_SIZE + 1 )
-	
+
 	return true, fields
 end
 
@@ -463,25 +463,25 @@ end
 -- @return status true on success, false on failure
 -- @return rows table containing row tables
 function decodeDataPackets( data, count )
-	
+
 	local len, pos = 0, 1, 1
 	local header, row, rows = {}, {}, {}
 
 	while pos < data:len() do
 		row = {}
 		pos, header = decodeHeader( data, pos )
-	
+
 		for i=1, count do
 			pos, len = bin.unpack("C", data, pos )
 			pos, row[i] = bin.unpack("A" .. len, data, pos)
 		end
-		
+
 		table.insert( rows, row )
-		
+
 	end
-	
+
 	return true, rows
-	
+
 end
 
 --- Sends the query to the MySQL server and then attempts to decode the response
@@ -492,13 +492,13 @@ end
 -- @return rows table containing row tabels as decoded by <code>decodeDataPackets</code>
 function sqlQuery( socket, query )
 
-	local catch = function() socket:close() stdnse.print_debug("sqlQuery(): failed") end	
+	local catch = function() socket:close() stdnse.print_debug("sqlQuery(): failed") end
 	local try = nmap.new_try(catch)
 	local packetno = 0
 	local querylen = query:len() + 1
 	local packet, packet_len, pos, header
 	local status, fields, field_count, rows, rs
-	
+
 	packet = bin.pack("ICA", querylen, Command.Query, query )
 
 	--
@@ -509,18 +509,18 @@ function sqlQuery( socket, query )
 	--	(EOF Packet)                marker: end of Field Packets
 	--	(Row Data Packets)          row contents
 	--	(EOF Packet)                marker: end of Data Packets
-	
+
 	try( socket:send(packet) )
-	
+
 	--
 	-- Let's read all the data into a table
 	-- This way we avoid the hustle with reading from the socket
 	status, rs = decodeQueryResponse( socket )
-	
+
 	if not status then
 		return false, rs
 	end
-		
+
 	status, field_count = decodeResultSetHeader(rs.header)
 
 	if not status then
@@ -528,7 +528,7 @@ function sqlQuery( socket, query )
 	end
 
 	status, fields = decodeFieldPackets(rs.fields, field_count)
-	
+
 	if not status then
 		return false, fields
 	end
@@ -538,8 +538,8 @@ function sqlQuery( socket, query )
 	if not status then
 		return false, rows
 	end
-	
-	return true, { cols = fields, rows = rows }	
+
+	return true, { cols = fields, rows = rows }
 end
 
 ---
@@ -557,16 +557,16 @@ function formatResultset(rs, options)
 
 	local restab = tab.new(#rs.cols)
 	local colnames = {}
-	
+
 	if ( not(options.noheaders) ) then
 		for _, col in ipairs(rs.cols) do table.insert(colnames, col.name) end
 		tab.addrow(restab, table.unpack(colnames))
 	end
-	
+
 	for _, row in ipairs(rs.rows) do
 		tab.addrow(restab, table.unpack(row))
 	end
-	
+
 	return tab.dump(restab)
 end