[NSE] Added whois-domain.nse and renamed whois.nse to whois-ip.nse

scripts/whois-domain.nse

@@ -0,0 +1,91 @@
+local http = require "http"
+local io = require "io"
+local ipOps = require "ipOps"
+local math = require "math"
+local nmap = require "nmap"
+local os = require "os"
+local stdnse = require "stdnse"
+local string = require "string"
+local table = require "table"
+
+hostrule = function( host )
+    local is_private, err = ipOps.isPrivate( host.ip )
+    if is_private == nil then
+      stdnse.print_debug( "%s Error in Hostrule: %s.", SCRIPT_NAME, err )
+      return false
+    end
+
+    return not is_private
+end
+
+
+action = function( host )
+
+    
+    mutexes = {}
+
+    if host.targetname then
+
+        local referral_patterns = {"refer:%s*(.-)\n", "Whois%sServer:%s*(.-)\n"}
+
+        -- Remove www prefix and add a newline.
+        query_data = string.gsub(host.targetname, "^www%.", "") .. "\n"
+
+        local result
+        local referral = "whois.iana.org"
+
+        while referral do
+
+            if not mutexes[referral] then
+                mutexes[referral] = nmap.mutex(referral)
+            end
+
+            mutexes[referral] "lock"
+
+            result = {}
+            local socket = nmap.new_socket()
+            local catch = function()
+                stdnse.print_debug( "fail")
+                socket:close()
+            end
+
+            local status, line = {}
+            local try = nmap.new_try( catch )
+
+            socket:set_timeout( 50000 )
+
+            try( socket:connect(referral, 43 ) )
+            try( socket:send( query_data ) )
+
+            while true do
+                local status, lines = socket:receive_lines(1)
+                if not status then
+                    break
+                else
+                    result[#result+1] = lines
+                end
+            end
+
+            socket:close()
+
+            mutexes[referral] "done"
+
+            if #result == 0 then
+                return nil
+            end
+
+            table.insert(result, 1, "\n\nDomain name record found at " .. referral .. "\n")
+
+            referral = false
+            for _, p in ipairs(referral_patterns) do
+                referral = referral or string.match(table.concat(result), p)
+            end
+
+        end
+
+        result = table.concat( result )
+        return result
+    end
+    return "You should provide a domain name."
+end
+