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Restricted the access to the kernel driver to system and built-in administrators.

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This commit is contained in:
Michael Möller 2010-11-01 20:44:21 +00:00
parent f238f35eff
commit 0e435cafc6
1 changed files with 12 additions and 1 deletions
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13
Hardware/KernelDriver.cs
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@ -36,7 +36,9 @@
*/
using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Security.AccessControl;
using Microsoft.Win32.SafeHandles;
namespace OpenHardwareMonitor.Hardware {
@ -78,7 +80,16 @@ namespace OpenHardwareMonitor.Hardware {
NativeMethods.CloseServiceHandle(service);
NativeMethods.CloseServiceHandle(manager);
try {
// restrict the driver access to system (SY) and builtin admins (BA)
// TODO: replace with a call to IoCreateDeviceSecure in the driver
FileSecurity fileSecurity = File.GetAccessControl(@"\\.\" + id);
fileSecurity.SetSecurityDescriptorSddlForm(
"O:BAG:SYD:(A;;FA;;;SY)(A;;FA;;;BA)");
File.SetAccessControl(@"\\.\" + id, fileSecurity);
} catch { }
return true;
}