public static void ExtractWow64Options(Win32Api.KeySecurity value,
out KeySecurity keySecurity, out Win32Api.RegWow64Options wow64Options)
{
wow64Options = (Win32Api.RegWow64Options)((int)value &
(int)(Win32Api.RegWow64Options.KEY_WOW64_32KEY | Win32Api.RegWow64Options.KEY_WOW64_64KEY));
keySecurity = new KeySecurity(value & (Win32Api.KeySecurity) ~wow64Options);
}
internal void OpenKey(IntPtr hKey,
string lpSubKey,
int ulOptions,
Win32Api.KeySecurity samDesired,
out IntPtr phkResult)
{
// ulOptions are ignored as this is a reserved parameter
phkResult = IntPtr.Zero;
KeySecurity keySecurity;
Win32Api.RegWow64Options wowOptions;
KeySecurity.ExtractWow64Options(samDesired, out keySecurity, out wowOptions);
KeyIdentity baseIdentity = GetKey(hKey).Identity;
OpenKey(baseIdentity, new KeyIdentity(baseIdentity, wowOptions, lpSubKey),
keySecurity, out phkResult);
}
internal void CreateKey(IntPtr hKey,
string lpSubKey,
int Reserved,
string lpClass,
Win32Api.RegOption dwOptions,
Win32Api.KeySecurity samDesired,
IntPtr lpSecurityAttributes,
out IntPtr phkResult,
IntPtr lpdwDisposition)
{
phkResult = IntPtr.Zero;
// Reserved is ignored as this is a reserved parameter
try
{
OpenKey(hKey, lpSubKey, 0, samDesired, out phkResult);
if (lpdwDisposition != IntPtr.Zero)
{
Marshal.WriteInt32(lpdwDisposition,
(int)Win32Api.RegKeyDisposition.REG_OPENED_EXISTING_KEY);
}
return;
}
catch (FileNotFoundException) {}
KeySecurity keySecurity;
Win32Api.RegWow64Options wowOptions;
KeySecurity.ExtractWow64Options(samDesired, out keySecurity, out wowOptions);
VirtualKey key = factory_.CreateKey(
new KeyIdentity(GetKey(hKey).Identity, wowOptions, lpSubKey), lpClass, dwOptions,
lpSecurityAttributes);
if (lpdwDisposition != IntPtr.Zero)
{
Marshal.WriteInt32(lpdwDisposition,
(int)Win32Api.RegKeyDisposition.REG_CREATED_NEW_KEY);
}
phkResult = keyStorage_.Add(key);
}
public void RelaxToReadAccess()
{
value_ = (Win32Api.KeySecurity)((int)value_ & (int)Win32Api.KeySecurity.KEY_READ);
Debug.Assert(IsOnlyForRead());
}
public KeySecurity(Win32Api.KeySecurity value)
{
value_ = value;
}
