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Wireless Network Scanner (working on DD-WRT v24)

July 31st, 2008 karlosp Leave a comment Go to comments
  1. Download file wireless-network-scanner-working-on-dd-wrt-v24
  2. Open file -> Ctrl+a -> Ctrl+p
  3. open CMD / Putty -> connect to router (telnet 192.168.X.1)
  4. right mouse click /paste
PLAIN TEXT
CODE:
  1. #!/bin/sh
  2.  
  3. awk -F"[][]" '
  4. BEGIN{
  5. IGNORECASE = 1;
  6. command = "site_survey 2>&1";
  7. red = "\x1b[31m";              green = "\x1b[32m";
  8. greenback="\x1b[42m";          yellow = "\x1b[33m";
  9. cyan = "\x1b[36m";             blue = "\x1b[34m";
  10. blueback = "\x1b[44m";         white = "\x1b[37m";
  11. whiteback = "\x1b[47m";        reset = "\x1b[0m";
  12. underscore = "\x1b[4m";        clear = "\x1b[2J";
  13. home = "\x1b[0;0H";            erase2end = "\x1b[K";
  14. cName = white;                 cSignal = green;
  15. cNoise = red;                  cCaps = green;
  16. cStrengthLow = blue blueback;  cChannel = green;               
  17. cStrengthMed = white whiteback;
  18. cStrengthHi = green greenback;
  19. cStrengthAged = red;
  20.  
  21. print clear;
  22. for(;;)
  23. {
  24.   while (command|getline)
  25.   {   
  26.     if ($22 == "") continue;
  27.     bssid=$6;
  28.     name[bssid] = $4;
  29.     rssi[bssid] = $10;
  30.     noise[bssid]= $12;
  31.     channel[bssid] = $8;
  32.     caps[bssid] = $22;
  33.     age[bssid] = 1;
  34.   }
  35.   close(command);
  36.   printf home;
  37.   ln = 0;
  38.   print white " Name       BSSID  Signal Noise Channel Type";
  39.   for (x in name)
  40.   {                 
  41.         #arbitrary strength calc through trial and error... modify as you wish:
  42.         sigstrength = ((rssi[x] - noise[x])*1.5) + ((rssi[x] +90)*1.5);
  43.         if (sigstrength <1) sigstrength=0;
  44.         cStrength = cStrengthLow;
  45.         if(sigstrength>4) cStrength = cStrengthMed;
  46.         if(sigstrength>7) cStrength = cStrengthHi;
  47.         if(age[x]=0) cStrength = cStrengthAged;       
  48.         fmt = "%s%-15s %s%0"sigstrength"d "reset erase2end "\n    %s  %s%-4d %s%-4d %s%-4d %s%2s "  reset erase2end "\n" erase2end "\n";
  49.         printf fmt, cName,name[x],cStrength,0,x,cSignal,rssi[x],cNoise,noise[x],cChannel, channel[x],cCaps,caps[x];
  50.         rssi[x] = "-100 xxxx";
  51.         ln++;       
  52.   } 
  53.   if (ln ==0)
  54.     print red "No Results - Do you have survey capability? \nThis program depends on site_survey to run. Hit ctrl-c to stop.";
  56.   print erase2end;
  57. }
  58. }
  59. '

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