Add badges for report ports and tcp ports column (#7874)

scripts/lua/modules/vulnerability_scan/vs_utils.lua

@@ -68,6 +68,12 @@ vs_utils.scan_status = {
    scanning    = 4
 }
 
+vs_utils.tcp_ports_diff_case = {
+   no_diff          = 2, -- case 1 or 2 (combined)
+   ntopng_more_t_vs = 3,
+   vs_more_t_ntopng = 4
+}
+
 -- **********************************************************
 
 function vs_utils.is_nmap_installed()
@@ -1136,6 +1142,85 @@ function vs_utils.format_port_label(port, service_name, protocol)
    end
 end
 
+-- **********************************************************
+-- Retrieves detected ports by ntopng
+
+function vs_utils.retrieve_detected_ports(host)
+   local host_info = interface.getHostInfo(host)
+
+   local tcp_ports_detected = {}
+   if (host_info and host_info.used_ports and host_info.used_ports.local_server_ports) then
+      for port, l7_proto in pairs(host_info.used_ports.local_server_ports) do
+         local port_details = split(port, ":")
+         local id_port = port_details[2]
+         local l4_proto = port_details[1]
+
+         if (l4_proto == 'tcp') then
+            tcp_ports_detected[#tcp_ports_detected+1] = id_port
+         end
+      end 
+   end
+
+   return tcp_ports_detected
+end
+
+-- Search port in ports list
+local function find_port(port_to_find, port_list) 
+   for _, port in ipairs(port_list) do
+      if(port_to_find == tonumber(port)) then
+         return true
+      end
+   end
+   return false
+end
+
+-- Compare vs ports and ntopng detected ports
+function vs_utils.compare_ports(vs_scan_port_string_list, ntopng_ports)
+
+   local vs_scan_ports = split(vs_scan_port_string_list, ",")
+
+   local ports_unused = {}
+   local filtered_ports = {}
+   -- check vs_scan_ports with ntopng_ports
+   local not_found_a_port = false
+   for _,vs_port in ipairs(vs_scan_ports) do
+      local find_actual_port = find_port(tonumber(vs_port), ntopng_ports)
+
+      if (not find_actual_port) then
+         not_found_a_port = true
+         ports_unused[#ports_unused+1] = vs_port
+      end
+      
+   end
+
+   local diff_case
+
+   if (not_found_a_port) then
+      diff_case = vs_utils.tcp_ports_diff_case.vs_more_t_ntopng
+   end
+
+   if (#vs_scan_ports == #ntopng_ports) then
+      diff_case = vs_utils.tcp_ports_diff_case.no_diff
+   else
+      local filtered = false
+
+      for _,ntop_port in ipairs(ntopng_ports) do
+         if (not find_port(tonumber(ntop_port), vs_scan_ports)) then
+            filtered = true
+            filtered_ports[#filtered_ports+1] = ntop_port
+         end
+
+      end
+      if (filtered) then
+         diff_case = vs_utils.tcp_ports_diff_case.ntopng_more_t_vs
+      end
+   end
+
+   return ports_unused, filtered_ports, diff_case
+
+end
+
+
 
 -- **********************************************************