Re-indent some scripts. Whitespace-only commit

https://secwiki.org/w/Nmap/Code_Standards

scripts/http-methods.nse

@@ -55,7 +55,7 @@ categories = {"default", "safe"}
 
 -- We don't report these methods except with verbosity.
 local UNINTERESTING_METHODS = {
-	"GET", "HEAD", "POST", "OPTIONS"
+  "GET", "HEAD", "POST", "OPTIONS"
 }
 
 local filter_out, merge_headers
@@ -63,92 +63,92 @@ local filter_out, merge_headers
 portrule = shortport.http
 
 action = function(host, port)
-	local url_path, retest_http_methods
-	local response, methods, options_status_line, output
+  local url_path, retest_http_methods
+  local response, methods, options_status_line, output
 
-	-- default vaules for script-args
-	url_path = stdnse.get_script_args("http-methods.url-path") or "/"
-	retest_http_methods = stdnse.get_script_args("http-methods.retest") ~= nil
+  -- default vaules for script-args
+  url_path = stdnse.get_script_args("http-methods.url-path") or "/"
+  retest_http_methods = stdnse.get_script_args("http-methods.retest") ~= nil
 
-	response = http.generic_request(host, port, "OPTIONS", url_path)
-	if not response.status then
-		stdnse.print_debug("http-methods: OPTIONS %s failed.", url_path)
-		return
-	end
-	-- Cache in case retest is requested.
-	options_status_line = response["status-line"]
-	stdnse.print_debug("http-methods.nse: HTTP Status for OPTIONS is " .. response.status)
+  response = http.generic_request(host, port, "OPTIONS", url_path)
+  if not response.status then
+    stdnse.print_debug("http-methods: OPTIONS %s failed.", url_path)
+    return
+  end
+  -- Cache in case retest is requested.
+  options_status_line = response["status-line"]
+  stdnse.print_debug("http-methods.nse: HTTP Status for OPTIONS is " .. response.status)
 
-	if not (response.header["allow"] or response.header["public"]) then
-		return string.format("No Allow or Public header in OPTIONS response (status code %d)", response.status)
-	end
+  if not (response.header["allow"] or response.header["public"]) then
+    return string.format("No Allow or Public header in OPTIONS response (status code %d)", response.status)
+  end
 
-	-- The Public header is defined in RFC 2068, but was removed in its
-	-- successor RFC 2616. It is implemented by at least IIS 6.0.
-	methods = merge_headers(response.header, {"Allow", "Public"})
+  -- The Public header is defined in RFC 2068, but was removed in its
+  -- successor RFC 2616. It is implemented by at least IIS 6.0.
+  methods = merge_headers(response.header, {"Allow", "Public"})
 
-	output = {}
+  output = {}
 
-	if nmap.verbosity() > 0 then
-		output[#output + 1] = stdnse.strjoin(" ", methods)
-	end
+  if nmap.verbosity() > 0 then
+    output[#output + 1] = stdnse.strjoin(" ", methods)
+  end
 
-	local interesting = filter_out(methods, UNINTERESTING_METHODS)
-	if #interesting > 0 then
-		output[#output + 1] = "Potentially risky methods: " .. stdnse.strjoin(" ", interesting)
-		output[#output + 1] = "See http://nmap.org/nsedoc/scripts/http-methods.html"
-	end
+  local interesting = filter_out(methods, UNINTERESTING_METHODS)
+  if #interesting > 0 then
+    output[#output + 1] = "Potentially risky methods: " .. stdnse.strjoin(" ", interesting)
+    output[#output + 1] = "See http://nmap.org/nsedoc/scripts/http-methods.html"
+  end
 
-	-- retest http methods if requested
-	if retest_http_methods then
-		local _
-		for _, method in ipairs(methods) do
-			local str
-			if method == "OPTIONS" then
-				-- Use the saved value.
-				str = options_status_line
-			else
-				response = http.generic_request(host, port, method, url_path)
-				if not response.status then
-					str = "Error getting response"
-				else
-					str = response["status-line"]
-				end
-			end
-			output[#output + 1] = string.format("%s %s -> %s", method, url_path, str)
-		end
-	end
+  -- retest http methods if requested
+  if retest_http_methods then
+    local _
+    for _, method in ipairs(methods) do
+      local str
+      if method == "OPTIONS" then
+        -- Use the saved value.
+        str = options_status_line
+      else
+        response = http.generic_request(host, port, method, url_path)
+        if not response.status then
+          str = "Error getting response"
+        else
+          str = response["status-line"]
+        end
+      end
+      output[#output + 1] = string.format("%s %s -> %s", method, url_path, str)
+    end
+  end
 
-	return #output > 0 and stdnse.strjoin("\n", output) or nil
+  return #output > 0 and stdnse.strjoin("\n", output) or nil
 end
 
 function filter_out(t, filter)
-	local result = {}
-	local _, e, f
-	for _, e in ipairs(t) do
-		if not stdnse.contains(filter, e) then
-			result[#result + 1] = e
-		end
-	end
-	return result
+  local result = {}
+  local _, e, f
+  for _, e in ipairs(t) do
+    if not stdnse.contains(filter, e) then
+      result[#result + 1] = e
+    end
+  end
+  return result
 end
 
 -- Split header field contents on commas and return a table without duplicates.
 function merge_headers(headers, names)
-	local seen = {}
-	local result = {}
+  local seen = {}
+  local result = {}
 
-	for _, name in ipairs(names) do
-		name = string.lower(name)
-		if headers[name] then
-			for _, v in ipairs(stdnse.strsplit(",%s*", headers[name])) do
-				if not seen[v] then
-					result[#result + 1] = v
-				end
-				seen[v] = true
-			end
-		end
-	end
+  for _, name in ipairs(names) do
+    name = string.lower(name)
+    if headers[name] then
+      for _, v in ipairs(stdnse.strsplit(",%s*", headers[name])) do
+        if not seen[v] then
+          result[#result + 1] = v
+        end
+        seen[v] = true
+      end
+    end
+  end
 
-	return result
+  return result
 end