private void Apply(PrivilegeAction action)
{
OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, out IntPtr tokenHandle);
LookupPrivilegeValue(null, privilegeName, out Luid luid);
var tokenPrivilege = new TokenPrivileges(luid, (uint)action);
UpdateTokenPrivileges(tokenHandle, tokenPrivilege);
}
public static void AdjustPrivileges(string p_PrivilegeName,
PrivilegeAction p_PrivilegeAction = PrivilegeAction.Enable)
{
var token = IntPtr.Zero;
var tokenPrivileges = new TOKEN_PRIVILEGES {
Privileges = new LUID_AND_ATTRIBUTES[1]
};
try
{
bool success;
int win32Error;
var process = GetCurrentProcess();
success = SecurityImportedFunctions.OpenProcessToken(process,
Constants.TOKEN_ADJUST_PRIVILEGES | Constants.TOKEN_QUERY, out token);
if (!success)
{
win32Error = Marshal.GetLastWin32Error();
if (win32Error != Win32Result.ERROR_SUCCESS)
{
throw new Win32Exception();
}
}
// null for local system
success = SecurityImportedFunctions.LookupPrivilegeValue(null, p_PrivilegeName,
out tokenPrivileges.Privileges[0].Luid);
if (!success)
{
win32Error = Marshal.GetLastWin32Error();
if (win32Error != Win32Result.ERROR_SUCCESS)
{
throw new Win32Exception();
}
}
tokenPrivileges.PrivilegeCount = 1;
switch (p_PrivilegeAction)
{
case PrivilegeAction.Enable:
tokenPrivileges.Privileges[0].Attributes = SecurityEntiryNames.SE_PRIVILEGE_ENABLED;
break;
case PrivilegeAction.Disable:
tokenPrivileges.Privileges[0].Attributes = 0;
break;
default:
throw new ArgumentOutOfRangeException("p_PrivilegeAction");
}
// ReSharper disable RedundantAssignment Далее нас это значение интересовать не будет. За подробностями в MSDN.
success = SecurityImportedFunctions.AdjustTokenPrivileges(
// ReSharper restore RedundantAssignment
token,
false,
ref tokenPrivileges,
Marshal.SizeOf(tokenPrivileges),
IntPtr.Zero,
IntPtr.Zero);
win32Error = Marshal.GetLastWin32Error();
if (win32Error != Win32Result.ERROR_SUCCESS)
{
throw new Win32Exception();
}
}
finally
{
if (token != IntPtr.Zero)
{
NativeMethods.CloseHandle(token);
}
}
}
