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Old 01-06-2005   #1 (permalink)
janolap1
Registered Member
 
Join Date: Nov 2004
Posts: 9
Talking Parsing ns1 files in PHP - Opensource
Hi,

Obviously, some people want to display the ns1 files from netstumbler on the internet... (enhancing my webstumbler script (Link on netstumbler forums) )
So I'm trying to create a script to do this.
I'm working on it but still have some problems.

This is the script :
PHP Code:
<?php
$jump=0;

function dwSignature($s,$offset)
//4 dwSignature char[4] File Signature ('NetS') 
{
global $jump;
$jump=$jump+4;
return substr($s,$offset,4);
}

function dwFileVer($s,$offset)
//4 dwFileVer uint32 File Format Version 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function ApCount($s,$offset)
//4 ApCount uint32 Number of APINFO entries that follow 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function SSIDLength($s,$offset)
//1 SSIDLength uint8 Length of SSID 
{
global $jump;
$jump=$jump+1;
return hexdec(bin2hex($s[$offset]));
}

function SSID($s,$length,$offset)
//SSIDLength SSID char[] SSID (SSIDLength characters, no terminating null) 
{
global $jump;
$jump=$jump+$length;
return substr($s,$offset,$length);
}

function BSSID($s, $offset)
//6 BSSID uint8[6] BSSID 
{
global $jump;
$jump=$jump+6;
return hexdec(bin2hex($s[0+$offset]))&":"&hexdec(bin2hex($s[1+$offset]))&":"&hexdec(bin2hex($s[2+$offset]))&":"&hexdec(bin2hex($s[3+$offset]))&":"&hexdec(bin2hex($s[4+$offset]))&":"&hexdec(bin2hex($s[5+$offset]));
}

function MaxSignal($s, $offset)
//4 MaxSignal int32 Maximum reported signal level, dBm 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function MinNoise($s,$offset)
// 4 MinNoise int32 Minimum reported noise level, dBm 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function MaxSNR($s,$offset)
// 4 MaxSNR int32 Maximum reported signal-to-noise ratio, dB 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function Flags($s,$offset)
// 4 Flags uint32 802.11 capability flags 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function BeaconInterval ($s,$offset)
// 4 BeaconInterval uint32 Beacon Interval, Kµs 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function FirstSeen ($s,$offset)
// 8 FirstSeen FILETIME Time first seen 
{
global $jump;
$jump=$jump+8;
return hexdec(bin2hex($s[0+$offset]))&hexdec(bin2hex($s[1+$offset]))&":"&hexdec(bin2hex($s[2+$offset]))&hexdec(bin2hex($s[3+$offset]))&":"&hexdec(bin2hex($s[4+$offset]))&":"&hexdec(bin2hex($s[5+$offset]))&":"&hexdec(bin2hex($s[6+$offset]))&hexdec(bin2hex($s[7+$offset]));
}

function LastSeen ($s,$offset)
// 8 LastSeen FILETIME Time last seen 
{
global $jump;
$jump=$jump+8;
return hexdec(bin2hex($s[0+$offset]))&":"&hexdec(bin2hex($s[1+$offset]))&":"&hexdec(bin2hex($s[2+$offset]))&":"&hexdec(bin2hex($s[3+$offset]))&":"&hexdec(bin2hex($s[4+$offset]))&":"&hexdec(bin2hex($s[5+$offset]))&":"&hexdec(bin2hex($s[6+$offset]))&":"&hexdec(bin2hex($s[7+$offset]));
}

function BestLat ($s,$offset)
// 8 BestLat double Estimated Latitude 
{
global $jump;
$jump=$jump+8;
return hexdec(bin2hex($s[0+$offset]))&":"&hexdec(bin2hex($s[1+$offset]))&":"&hexdec(bin2hex($s[2+$offset]))&":"&hexdec(bin2hex($s[3+$offset]))&":"&hexdec(bin2hex($s[4+$offset]))&":"&hexdec(bin2hex($s[5+$offset]))&":"&hexdec(bin2hex($s[6+$offset]))&":"&hexdec(bin2hex($s[7+$offset]));
}

function BestLong ($s,$offset)
// 8 BestLong double Estimated Longitude 
{
global $jump;
$jump=$jump+8;
return hexdec(bin2hex($s[0+$offset]))&":"&hexdec(bin2hex($s[1+$offset]))&":"&hexdec(bin2hex($s[2+$offset]))&":"&hexdec(bin2hex($s[3+$offset]))&":"&hexdec(bin2hex($s[4+$offset]))&":"&hexdec(bin2hex($s[5+$offset]))&":"&hexdec(bin2hex($s[6+$offset]))&":"&hexdec(bin2hex($s[7+$offset]));
}

function DataCount ($s,$offset)
// 4 DataCount uint32 Number of APDATA entries that follow 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function ApData ($s,$length, $offset)
// Variable ApData APDATA[] DataCount APDATA entries 
{
global $jump;
$jump=$jump+$length;
return substr($s,$offset,$length);
}

function NameLength ($s, $offset)
// 1 NameLength uint8 Length of Name 
{
global $jump;
$jump=$jump+1;
return hexdec(bin2hex($s[0+$offset]));
}

function Name ($s, $length, $offset)
// NameLength Name char[] Name (NameLength characters, no terminating null) 
{
global $jump;
$jump=$jump+$length;
return substr($s,$offset,$length);
}

function Channels ($s, $offset)
// 8 Channels uint64 Bit field indicating channel activity 
{
global $jump;
$jump=$jump+8;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]))+255*255*255*255*hexdec(bin2hex($s[4+$offset]))+255*255*255*255*255*hexdec(bin2hex($s[5+$offset]))+255*255*255*255*255*255*hexdec(bin2hex($s[6+$offset]))+255*255*255*255*255*255*255*hexdec(bin2hex($s[7+$offset]));
}

function LastChannel ($s, $offset)
// 4 LastChannel uint32 Last reported channel 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function IPAddress ($s, $offset)
// 4 IPAddress uint32 IP Address 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset])).":".hexdec(bin2hex($s[1+$offset])).":".hexdec(bin2hex($s[2+$offset])).":".hexdec(bin2hex($s[3+$offset]));
}

function MinSignal ($s, $offset)
// 4 MinSignal int32 Minimum reported signal level, dBm 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function MaxNoise ($s, $offset)
// 4 MaxNoise int32 Maximum reported noise level, dBm 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function DataRate ($s, $offset)
// 4 DataRate uint32 Highest reported data rate, units of 100 kbps 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function IPSubnet ($s, $offset)
// 4 IPSubnet uint32 IP Subnet address 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset])).":".hexdec(bin2hex($s[1+$offset])).":".hexdec(bin2hex($s[2+$offset])).":".hexdec(bin2hex($s[3+$offset]));
}

function IPMask ($s, $offset)
// 4 IPMask uint32 IP Subnet mask 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset])).":".hexdec(bin2hex($s[1+$offset])).":".hexdec(bin2hex($s[2+$offset])).":".hexdec(bin2hex($s[3+$offset]));
}

function ApFlags ($s, $offset)
// 4 ApFlags uint32 Miscellaneous Flags 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function IELength ($s, $offset)
// 4 IELength uint32 Number of bytes that follow (0 except when using NDIS 5.1 with a WPA capable driver) 
{
global $jump;
$jump=$jump+4;
return hexdec(bin2hex($s[0+$offset]))+255*hexdec(bin2hex($s[1+$offset]))+255*255*hexdec(bin2hex($s[2+$offset]))+255*255*255*hexdec(bin2hex($s[3+$offset]));
}

function InformationElements ($s,$length, $offset)
// IELength InformationElements uint8[] 802.11 Information Elements 
{
global $jump;
$jump=$jump+$length;
return substr($s,$offset,$length);
}

function APInfo($s, $offset, $number)
//Variable ApInfo APINFO[] ApCount APINFO entries 
{
global $jump;
for ($i=1; $i<=$number; $i++)
{
global $jump;
echo $jump;
$SSIDLength = SSIDLength($s,$jump);
echo "SSIDLength = ".$SSIDLength;
echo "<br>";
echo "SSID = ".SSID($s, $SSIDLength, $jump);
echo "<br>";
echo "BSSID = ".BSSID($s,$jump);
echo "<br>";
echo "MaxSignal = ".MaxSignal($s,$jump);
echo "<br>";
echo "MinNoise = ".MinNoise($s,$jump);
echo "<br>";
echo "MaxSNR = ".MaxSNR($s,$jump);
echo "<br>";
echo "Flags = ".Flags($s,$jump);
echo "<br>";
echo "BeaconInterval = ".BeaconInterval($s,$jump);
echo "<br>";
echo "FirstSeen = ".FirstSeen($s,$jump);
echo "<br>";
echo "LastSeen = ".LastSeen($s,$jump);
echo "<br>";
echo "BestLat = ".BestLat($s,$jump);
echo "<br>";
echo "BestLong = ".BestLong($s,$jump);
echo "<br>";
$DataCount = DataCount($s,$jump);
echo "DataCount = ".$DataCount;
echo "<br>";
echo "ApData = ".ApData($s, $DataCount, $jump);
echo "<br>";
$NameLength = NameLength($s,$jump);
echo "NameLength = ".$NameLength;
echo "<br>";
echo "Name = ".Name($s, $NameLength, $jump);
echo "<br>";
echo "Channels = ".Channels($s,$jump);
echo "<br>";
echo "LastChannel = ".LastChannel($s,$jump);
echo "<br>";
echo "IPAddress = ".IPAddress($s,$jump);
echo "<br>";
echo "MinSignal = ".MinSignal($s,$jump);
echo "<br>";
echo "MaxNoise = ".MaxNoise($s,$jump);
echo "<br>";
echo "DataRate = ".DataRate($s,$jump);
echo "<br>";
echo "IPSubnet = ".IPSubnet($s,$jump);
echo "<br>";
echo "IPMask = ".IPMask($s,$jump);
echo "<br>";
echo "ApFlags = ".ApFlags($s,$jump);
echo "<br>";
$IELength = IELength($s,$jump);
echo "IELength = ".$IELength;
echo "<br>";
echo "InformationElements = ".InformationElements($s, $IELength, $jump);
echo "<hr>";
}
}

// Read the file and put the content in a string
$filename = "netstumbler.ns1";
$handle = fopen ($filename, "r");
$contents = fread ($handle, filesize ($filename));
fclose ($handle);

echo "Signature of the file = ".dwSignature($contents,$jump);
echo "<br>";
echo "File version = ".dwFileVer($contents,$jump);
echo "<br>";
$APCount = ApCount($contents,$jump);
echo " Number of AP = ".$APCount;
echo "<hr>";
echo APInfo($contents,$jump,$APCount);

php?>
Just put the script on your webserver, a ns1 file called netstumbler.ns1 and call the script.

The problems are :
- Some info are not correctly converted
- I only display 1 AP (because of IELength)

I you want to enhance this script... contact me to help me.

It's GPL so do what you want with it...

Cordially

Jean CARTIER
janolap1 is offline   Reply With Quote
Old 01-06-2005   #2 (permalink)
The Others
PeaceDriver
 
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Join Date: Apr 2002
Location: Dos Palabras, Mandoras
Posts: 2,920
Quote:
Originally Posted by janolap1
I only display 1 AP (because of IELength)
That was the problem I had. Never mind, the dtauls shown about that one access point were nice
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all good ends all

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Old 01-13-2005   #