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added basic function for checking and calculating hash (Need to work out how to do this though!

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This commit is contained in:
Jake Howard 2014-08-13 16:06:50 +01:00
parent e622a6194d
commit fd7219c884
1 changed files with 26 additions and 2 deletions
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28
USB Lockdown/authentication.cs
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@ -18,10 +18,11 @@ namespace USB_Lockdown
internal static void beginAuthentication()
{
deviceScan.calculateHash();
Thread deviceScanner = new Thread(deviceScan.scanDevices);
deviceScanner.Join(); //the thread will exit when a valid drive has been found
//code here to unlock computer and
//code here to unlock computer and stuff
}
}
class deviceScan
@ -29,14 +30,21 @@ namespace USB_Lockdown
internal static DriveInfo validDrive;
internal static DriveInfo[] driveListing;
private static bool driveFound = false;
internal static string originalHash;
internal static void calculateHash()
{
//decide how to do this!
}
internal static void scanDevices()
{
while (!driveFound) {
driveListing = DriveInfo.GetDrives();
foreach (DriveInfo currentDrive in driveListing)
{
try { string driveName = currentDrive.VolumeLabel; string driveLabel = currentDrive.Name; }
catch { }
if (File.Exists(currentDrive.Name + "\\LockDown.config")) // the first check for a valid drive. Could be something else, but this is a lightweight test to be done first!
{
if (driveValidate(currentDrive)) //runs the full validation of the drive
@ -51,10 +59,26 @@ namespace USB_Lockdown
}
internal static bool driveValidate(DriveInfo drive){
if (!checkHash(drive)) {
return false;
}
return true;
}
private static bool checkHash(DriveInfo drive)
{
string fileName = drive.Name + "";
if (!File.Exists(fileName)) { return false; }
using (BinaryReader reader = new BinaryReader(File.Open(fileName, FileMode.Open)))
{
string hashFromDrive = reader.ReadString();
if (hashFromDrive != )
}
return true;
}
internal static void resetValues()
{
validDrive = null;