/*
* public const UInt32 HKCR = 0x80000000; // HKEY_CLASSES_ROOT
* public const UInt32 HKCU = 0x80000001; // HKEY_CURRENT_USER
* public const UInt32 HKLM = 0x80000002; // HKEY_LOCAL_MACHINE
* public const UInt32 HKU = 0x80000003; // HKEY_USERS
* public const UInt32 HKPD = 0x80000004; // HKEY_PERFORMANCE_DATA
* public const UInt32 HKCC = 0x80000005; // HKEY_CURRENT_CONFIG
*/
public static void GetAdminPrivileges()
{
TOKEN_PRIVILEGES pRestoreToken = new TOKEN_PRIVILEGES();
TOKEN_PRIVILEGES pBackupToken = new TOKEN_PRIVILEGES();
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, out IntPtr hToken))
{
throw new BetterWin32Errors.Win32Exception("OpenProcessToken failed");
}
if (!LookupPrivilegeValue(null, "SeRestorePrivilege", out LUID restoreLUID))
{
throw new BetterWin32Errors.Win32Exception("LookupPrivilegeValue failed");
}
if (!LookupPrivilegeValue(null, "SeBackupPrivilege", out LUID backupLUID))
{
throw new BetterWin32Errors.Win32Exception("LookupPrivilegeValue failed");
}
pRestoreToken.Count = 1;
pRestoreToken.Luid = restoreLUID;
pRestoreToken.Attr = SE_PRIVILEGE_ENABLED;
pBackupToken.Count = 1;
pBackupToken.Luid = backupLUID;
pBackupToken.Attr = SE_PRIVILEGE_ENABLED;
if (!AdjustTokenPrivileges(hToken, false, ref pRestoreToken, 0, IntPtr.Zero, IntPtr.Zero))
{
BetterWin32Errors.Win32Error error = BetterWin32Errors.Win32Exception.GetLastWin32Error();
if (error == BetterWin32Errors.Win32Error.ERROR_NOT_ALL_ASSIGNED)
{
throw new BetterWin32Errors.Win32Exception("AdjustTokenPrivileges failed, try running this program with Administrator privilege.");
}
else
{
throw new BetterWin32Errors.Win32Exception("AdjustTokenPrivileges failed");
}
}
if (!AdjustTokenPrivileges(hToken, false, ref pBackupToken, 0, IntPtr.Zero, IntPtr.Zero))
{
BetterWin32Errors.Win32Error error = BetterWin32Errors.Win32Exception.GetLastWin32Error();
if (error == BetterWin32Errors.Win32Error.ERROR_NOT_ALL_ASSIGNED)
{
throw new BetterWin32Errors.Win32Exception("AdjustTokenPrivileges failed, try running this program with Administrator privilege.");
}
else
{
throw new BetterWin32Errors.Win32Exception("AdjustTokenPrivileges failed");
}
}
CloseHandle(hToken);
}
public static void GetAdminPrivileges()
{
NativeMethods.TOKEN_PRIVILEGES pRestoreToken = new NativeMethods.TOKEN_PRIVILEGES();
NativeMethods.TOKEN_PRIVILEGES pBackupToken = new NativeMethods.TOKEN_PRIVILEGES();
// Because procHandle is a pseudo handle, it does not need to be closed.
// https://docs.microsoft.com/en-us/windows/desktop/api/processthreadsapi/nf-processthreadsapi-getcurrentprocess#remarks
IntPtr procHandle = NativeMethods.GetCurrentProcess();
const uint desiredAccess = NativeMethods.TOKEN_ADJUST_PRIVILEGES | NativeMethods.TOKEN_QUERY;
if (!NativeMethods.OpenProcessToken(procHandle, desiredAccess, out IntPtr hToken))
{
throw new Win32Exception("OpenProcessToken failed");
}
try
{
if (!NativeMethods.LookupPrivilegeValue(null, "SeRestorePrivilege", out NativeMethods.LUID restoreLuid))
{
throw new Win32Exception("LookupPrivilegeValue failed");
}
if (!NativeMethods.LookupPrivilegeValue(null, "SeBackupPrivilege", out NativeMethods.LUID backupLuid))
{
throw new Win32Exception("LookupPrivilegeValue failed");
}
pRestoreToken.Count = 1;
pRestoreToken.Luid = restoreLuid;
pRestoreToken.Attr = NativeMethods.SE_PRIVILEGE_ENABLED;
pBackupToken.Count = 1;
pBackupToken.Luid = backupLuid;
pBackupToken.Attr = NativeMethods.SE_PRIVILEGE_ENABLED;
if (!NativeMethods.AdjustTokenPrivileges(hToken, false, ref pRestoreToken, 0, IntPtr.Zero, IntPtr.Zero))
{
BetterWin32Errors.Win32Error ret = BetterWin32Errors.Win32Exception.GetLastWin32Error();
if (ret == BetterWin32Errors.Win32Error.ERROR_NOT_ALL_ASSIGNED)
{
throw new Win32Exception((int)ret, "AdjustTokenPrivileges failed, try running this program with Administrator privilege.");
}
else
{
throw new Win32Exception((int)ret, "AdjustTokenPrivileges failed");
}
}
if (!NativeMethods.AdjustTokenPrivileges(hToken, false, ref pBackupToken, 0, IntPtr.Zero, IntPtr.Zero))
{
BetterWin32Errors.Win32Error ret = BetterWin32Errors.Win32Exception.GetLastWin32Error();
if (ret == BetterWin32Errors.Win32Error.ERROR_NOT_ALL_ASSIGNED)
{
throw new Win32Exception((int)ret, "AdjustTokenPrivileges failed, try running this program with Administrator privilege.");
}
else
{
throw new Win32Exception((int)ret, "AdjustTokenPrivileges failed");
}
}
}
finally
{
NativeMethods.CloseHandle(hToken);
}
}