netBIOS decoding fix

visualizaion experiment
2026-05-21 18:33:24 +00:00 · 2019-06-25 10:29:20 +02:00 · 2019-06-25 10:29:20 +02:00 · 699f8a71cc
commit 699f8a71cc
parent 64bae29f23
4 changed files with 19446 additions and 1 deletions
--- a/scripts/lua/bubble.lua
+++ b/scripts/lua/bubble.lua
@ -0,0 +1,150 @@
+--
+-- (C) 2013-18 - ntop.org
+--
+
+dirs = ntop.getDirs()
+package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
+require "lua_utils"
+local ts_utils = require("ts_utils")
+local callback_utils = require("callback_utils")
+local json = require("dkjson")  
+local page_utils = require("page_utils")
+local format_utils = require("format_utils")
+
+local info = ntop.getInfo() 
+
+sendHTTPContentTypeHeader('text/html')
+
+page_utils.print_header(i18n("about.about_x", { product=info.product }))
+
+active_page = "about"
+dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")
+
+-- https://www.d3-graph-gallery.com/graph/bubble_template.html
+
+local show_remote  = true
+local local_hosts  = { }
+local remote_hosts = {}
+local max_r = 0
+
+function processHost(hostname, host)
+   -- io.write("================================\n")
+   -- io.write(hostname.."\n")
+   -- tprint(host)
+   
+   local host_name = hostinfo2hostkey(host)
+
+   if((host_name == nil) or (host_name == "")) then host_name = hostname end
+   local line = { link = hostname, label = host_name, x = host["total_flows.as_server"], y = host["total_flows.as_client"], r = host["bytes.sent"]+host["bytes.rcvd"] }
+   if(line.r > max_r) then max_r = line.r end
+   
+   if(host.localhost) then
+      table.insert(local_hosts, line)
+   else
+      table.insert(remote_hosts, line)
+   end
+end
+
+if(show_remote == true) then
+   callback_utils.foreachHost(ifname, os.time() + 60, processHost)
+else
+   callback_utils.foreachLocalHost(ifname, os.time() + 60, processHost)
+end
+
+local max_radius_px = 30
+local min_radius_px = 3
+local ratio         = max_r / max_radius_px
+
+for i,v in pairs(local_hosts)  do local_hosts[i].r  = math.floor(min_radius_px+local_hosts[i].r / ratio) end
+
+if(show_remote == true) then
+   for i,v in pairs(remote_hosts) do remote_hosts[i].r = math.floor(min_radius_px+remote_hosts[i].r / ratio) end
+end
+
+local local_js  = json.encode(local_hosts)
+local remote_js = json.encode(remote_hosts)
+   
+print [[ 
+
+ <script type="text/javascript" src="/js/Chart.bundle.min.js"></script>
+
+<div class="container" width="200" height="200>
+  <div class="row">
+    <div class="col-1">
+      <canvas id="canvas" height="200"></canvas>
+    </div>
+  </div>
+</div>
+
+<script>
+ var ctx = document.getElementById("canvas");
+ var data = {
+ datasets: [{
+	       label: 'Local Hosts',
+	       data: ]] print(local_js) print [[,
+               backgroundColor: "#FF6384" 
+              },
+]]
+
+if(show_remote == true) then
+print [[
+   {
+	       label: 'Remote Hosts',
+	       data: ]] print(remote_js) print [[,
+               backgroundColor: "#63FF84" 
+              }
+]]
+end
+
+print [[
+            ]
+ };
+
+ var chart = new Chart(ctx, {
+   data: data,
+   type: "bubble",
+       options: {
+         scales: { xAxes: [{ display: true, scaleLabel: { display: true, labelString: 'Flows as Server' } }],
+                    yAxes: [{ display: true, scaleLabel: { display: true, labelString: 'Flows as Client' } }]
+                 },
+
+		 elements: {
+			      points: {
+					   borderWidth: 1,
+					       borderColor: 'rgb(0, 0, 0)'
+					       }
+			      },
+		     onClick: function(e) {
+			       var element = this.getElementAtEvent(e);
+			       // If you click on at least 1 element ...
+			      if (element.length > 0) {
+				 // Logs it
+				 // console.log(element[0]);
+				 var datasetLabel = this.config.data.datasets[element[0]._datasetIndex].label;
+				 var data = this.config.data.datasets[element[0]._datasetIndex].data[element[0]._index];
+				 // console.log(data);
+                                 window.location.href = "/lua/host_details.lua?host="+data.link; // Jump to this host
+			       }
+		     },
+
+tooltips: {
+      callbacks: {
+        title: function(tooltipItem, data) {
+          return data['labels'][tooltipItem[0]['index'] ];
+},
+
+   label: function(tooltipItem, data) {
+	 var dataset = data['datasets'][0];
+         var host = dataset['data'][tooltipItem['index'] ];
+	 return(host.label);
+         },
+      }
+}
+     }
+   });
+
+</script>  
+]]
+
+
+dofile(dirs.installdir .. "/scripts/lua/inc/footer.lua")