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How to get the Client Hard Disk No Using C#

Posted on 2004-08-05
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Last Modified: 2008-01-09
Hello,

i need to validate the client using his hard disk number. So how to get the Client hard disk number using c# language.

thanks in advance
sen007
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Question by:sen007
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12 Comments
 
LVL 17

Expert Comment

by:AerosSaga
ID: 11726140
Public Declare Function GetVolumeSerialNumber Lib "kernel32" Alias "GetVolumeInformationA" (ByVal

lpRootPathName As String, ByVal lpVolumeNameBuffer As Long, ByVal nVolumeNameSize As Long,

lpVolumeSerialNumber As Long, ByVal lpMaximumComponentLength As Long, ByVal lpFileSystemFlags As

Long, ByVal lpFileSystemNameBuffer As Long, ByVal nFileSystemNameSize As Long) As Long

Public Function VolumeSerial(DriveLetter) As Long
    Dim Serial As Long
    Call GetVolumeSerialNumber(UCase(DriveLetter) & ":\", 0&, 0&, Serial, 0&, 0&, 0&, 0&)
    VolumeSerial = Serial
End Function

 
Example Usage

MsgBox VolumeSerial("C")

I am currently trying to convert this to C# for you

Regards,

Aeros
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LVL 17

Expert Comment

by:AerosSaga
ID: 11726201
Heres the function part:

public long VolumeSerial(object DriveLetter)
{
 long Serial;
 GetVolumeSerialNumber(UCase(DriveLetter) + ":\", 0, 0, Serial, 0, 0, 0, 0);
 VolumeSerial = Serial;
}
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LVL 17

Expert Comment

by:AerosSaga
ID: 11726238
Heres the rest of it:

public class abcd
{
[System.Runtime.InteropServices.DllImport("kernel32", EntryPoint="GetVolumeInformationA")]
public long GetVolumeSerialNumber(string lpRootPathName, long lpVolumeNameBuffer, long nVolumeNameSize, long lpVolumeSerialNumber, long lpMaximumComponentLength, long lpFileSystemFlags, long lpFileSystemNameBuffer, long nFileSystemNameSize);
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LVL 33

Expert Comment

by:raterus
ID: 11726815
I don't see how that will get you the "client" hard-disk number, maybe the servers...  Getting anything like that of the client would be off limits from an asp.net application.
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LVL 17

Expert Comment

by:AerosSaga
ID: 11726955
I don't believe that will be possible, as it is a security risk

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LVL 33

Expert Comment

by:raterus
ID: 11727027
yeah, I think that is what the author is after.  To do it using your code, he'll probably have to embed a client-side control in IE.

http://msdn.microsoft.com/msdnmag/issues/02/01/UserCtrl/default.aspx
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LVL 17

Expert Comment

by:AerosSaga
ID: 11727123
wasn't aware of the safe initizlization for activeX

http://msdn.microsoft.com/workshop/components/activex/safety.asp
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LVL 33

Expert Comment

by:raterus
ID: 11727216
Here is probably a better way to authenticate clients if you are interested, all the stuff Aeros and I were talking about is fairly bloated if you are dealing with real clients.  (I sure wouldn't want to download a program to access their website..who knows what "else" they are looking at)

http://support.microsoft.com/default.aspx?scid=kb;EN-US;315588
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LVL 9

Expert Comment

by:crescendo
ID: 11727222
Just hang around your local high school and ask a spotty teenager which exploit to use...
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LVL 9

Expert Comment

by:crescendo
ID: 12060095
No offence intended to Aerosaga, who's worked hard on this one, but his solution doesn't actually solve the problem as it gives the server's disk serial number, not the client's.
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ID: 12096939
PAQed, with points refunded (70)

modulo
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