//retiolum..adv_graphgen: add anonymizer functionality

we are now able to generate full-detail graphs for the darknet and anonymized graphs for the public web

2 files changed, 166 insertions, 0 deletions

diff --git a/retiolum/scripts/adv_graphgen/anonytize.sh b/retiolum/scripts/adv_graphgen/anonytize.sh
new file mode 100755
index 00000000..1ebfe972
--- /dev/null
+++ b/retiolum/scripts/adv_graphgen/anonytize.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+set -euf
+cd $(dirname `readlink -f $0`)
+GRAPH_SETTER1=dot
+GRAPH_SETTER2=circo
+GRAPH_SETTER3='neato -Goverlap=prism '
+GRAPH_SETTER4=sfdp
+LOG_FILE=/var/log/syslog
+TYPE=svg
+TYPE2=png
+OPENER=/bin/true
+DOTFILE=`mktemp`
+trap 'rm $DOTFILE' INT TERM
+sudo LOG_FILE=$LOG_FILE python tinc_stats.py |\
+    python parse_tinc_anon.py> $DOTFILE
+
+
+i=1
+for setter in dot circo 'neato -Goverlap=prism ' sfdp
+do
+  tmpgraph=`mktemp --tmpdir=$1`
+  $setter -T$TYPE -o $tmpgraph $DOTFILE
+  chmod go+rx $tmpgraph
+  mv $tmpgraph $1/retiolum_$i.$TYPE
+  i=`expr $i + 1`
+done
+#convert -resize 20% $1/retiolum_1.$TYPE  $1/retiolum_1.$TYPE2
+#convert -resize 20% $1/retiolum_2.$TYPE  $1/retiolum_2.$TYPE2
+#convert -resize 20% $1/retiolum_3.$TYPE  $1/retiolum_3.$TYPE2
+#convert -resize 20% $1/retiolum_4.$TYPE  $1/retiolum_4.$TYPE2
+rm $DOTFILE
diff --git a/retiolum/scripts/adv_graphgen/parse_tinc_anon.py b/retiolum/scripts/adv_graphgen/parse_tinc_anon.py
new file mode 100755
index 00000000..3b0383da
--- /dev/null
+++ b/retiolum/scripts/adv_graphgen/parse_tinc_anon.py
@@ -0,0 +1,135 @@
+#!/usr/bin/python
+# -*- coding: utf8 -*-
+from BackwardsReader import BackwardsReader
+import sys,json
+#supernodes= [ "kaah","supernode","euer","pa_sharepoint","oxberg" ]
+""" TODO: Refactoring needed to pull the edges out of the node structures again,
+it should be easier to handle both structures"""
+DUMP_FILE = "/krebs/db/availability"
+def write_digraph(nodes):
+  """
+  writes the complete digraph in dot format
+  """
+  print ('digraph retiolum {')
+  #print ('  graph [center rankdir=LR packMode="clust"]')
+  print ('  graph [center packMode="clust"]')
+  print ('  node[shape=circle,style=filled,fillcolor=grey]')
+  print ('  overlap=false')
+  generate_stats(nodes)
+  merge_edges(nodes)
+  nodes = anon_nodes(nodes)
+  for k,v in nodes.iteritems():
+    write_node(k,v)
+  write_stat_node(nodes)
+  print ('}')
+
+def anon_nodes(nodes):
+  i = "0"
+  newnodes = {}
+  for k,v in nodes.iteritems():
+    for nodek,node in nodes.iteritems():
+      for to in node['to']:
+        if to['name'] == k:
+          to['name'] = i
+    newnodes[i] = v
+    i = str(int(i)+1)
+  return newnodes
+
+def write_stat_node(nodes):
+  ''' Write a `stats` node in the corner
+      This node contains infos about the current number of active nodes and connections inside the network
+  '''
+  num_conns = 0
+  num_nodes = len(nodes)
+  for k,v in nodes.iteritems():
+    num_conns+= len(v['to'])
+  node_text = "  stats_node [shape=box,label=\"Statistics\\l"
+  node_text += "Active Nodes: %s\\l" % num_nodes
+  node_text += "Connections : %s\\l" % num_conns
+  node_text += "\""
+  node_text += ",fillcolor=green"
+  node_text += "]"
+  print(node_text)
+
+def generate_stats(nodes):
+  """ Generates some statistics of the network and nodes
+  """
+  for k,v in nodes.iteritems():
+    conns = v.get('to',[])
+    for c in conns: #sanitize weights
+      if float(c['weight']) > 9000: c['weight'] = str(9001)
+      elif float(c['weight']) < 0: c['weight'] = str(0)
+    v['num_conns'] = len(conns)
+    v['avg_weight'] = get_node_avg_weight(conns)
+def get_node_avg_weight(conns):
+  """ calculates the average weight for the given connections """
+  if not conns:
+    sys.syderr.write("get_node_avg_weight: connection parameter empty")
+    return 9001
+  else:
+    return sum([float(c['weight']) for c in conns])/len(conns)
+
+def delete_unused_nodes(nodes):
+  new_nodes = {}
+  for k,v in nodes.iteritems():
+    if v['external-ip'] == "(null)":
+      continue
+    if v.get('to',[]):
+      new_nodes[k] = v
+  for k,v in new_nodes.iteritems():
+    if not [ i for i in v['to'] if i['name'] in new_nodes]:
+      #del(new_nodes[k])
+      del(k)
+  return new_nodes
+def merge_edges(nodes):
+  """ merge back and forth edges into one
+  DESTRUCTS the current structure by deleting "connections" in the nodes
+  """
+  for k,v in nodes.iteritems():
+    for con in v.get('to',[]):
+      for i,secon in enumerate(nodes.get(con['name'],{}).get('to',[])):
+        if k == secon['name']:
+          del (nodes[con['name']]['to'][i])
+          con['bidirectional'] = True
+
+
+def write_node(k,v):
+  """ writes a single node and its edges 
+      edges are weightet with the informations inside the nodes provided by
+      tinc
+  """
+  
+  node = "  "+k #+"[label=\""
+  #node += k+"\\l"
+  #node += "avg weight: %.2f\\l" % v['avg_weight'] 
+  #if v.has_key('num_conns'):
+  #  node += "Conns:"+str(v['num_conns'])+"\\l"
+  #node +="\""
+  #node +=",group=\""+v['external-ip'].replace(".","") + "\""
+  #node += "]"
+  print node
+
+  for con in v.get('to',[]):
+    label  = con['weight']
+    w = int(con['weight'])
+    weight = str(1000 - (((w - 150) * (1000 - 0)) / (1000 -150 )) + 0)
+
+    length = str(float(w)/1500)
+    #weight = "1000" #str(300/float(con['weight']))
+    #weight = str((100/float(con['weight'])))
+    #weight = str(-1 * (200-100000/int(con['weight'])))
+    if float(weight) < 0 :
+      weight= "1"
+
+    #sys.stderr.write(weight + ":"+ length +" %s -> " %k + str(con) + "\n")
+    edge = "  "+k+ " -> " +con['name'] + " [label="+label + " weight="+weight #+ " minlen="+length
+    if con.get('bidirectional',False):
+      edge += ",dir=both"
+    edge += "]"
+    print edge
+
+def decode_input(FILE):
+  return json.load(FILE)
+nodes = decode_input(sys.stdin)
+nodes = delete_unused_nodes(nodes)
+write_digraph(nodes)