JA3 host stats are now exported in JSON

scripts/lua/get_ja3_data.lua

@@ -0,0 +1,45 @@
+--
+-- (C) 2013-18 - ntop.org
+--
+
+dirs = ntop.getDirs()
+package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
+
+require "lua_utils"
+require "graph_utils"
+require "flow_utils"
+require "historical_utils"
+sendHTTPContentTypeHeader('text/html')
+
+interface.select(ifname)
+host_info = url2hostinfo(_GET)
+
+-- #####################################################################
+
+function revFP(a,b)
+   return (a.num_uses > b.num_uses)
+end
+
+-- #####################################################################
+
+if(host_info["host"] ~= nil) then
+   stats = interface.getHostInfo(host_info["host"], host_info["vlan"])
+end
+
+if(stats ~= nil) then
+   local fp = stats["ssl_fingerprint"]
+   
+   num = 0
+   max_num = 50 -- set a limit
+   for key,value in pairsByValues(fp, revFP) do
+      if(num == max_num) then
+	 break
+      else
+	 num = num + 1
+	 print('<tr><td><A HREF="https://sslbl.abuse.ch/ja3-fingerprints/'..key..'">'..key..'</A> <i class="fa fa-external-link"></i></td>')
+	 print('<td align=left nowrap>'..value.app_name..'</td>')
+	 print('<td align=right>'..formatValue(value.num_uses)..'</td>')
+	 print('</tr>\n')
+      end
+   end
+end