public static SafeSecurityDescriptor GetPrivateObjectSecurity(this PSECURITY_DESCRIPTOR pSD, SECURITY_INFORMATION si)
{
var pResSD = SafeSecurityDescriptor.Null;
AdvApi32.GetPrivateObjectSecurity(pSD, si, pResSD, 0, out var ret);
if (ret > 0)
{
pResSD = new SafeSecurityDescriptor((int)ret);
if (!pResSD.IsInvalid && !AdvApi32.GetPrivateObjectSecurity(pSD, si, pResSD, ret, out ret))
{
Win32Error.GetLastError().ThrowIfFailed();
}
}
return(pResSD);
}
public static IntPtr GetPrivateObjectSecurity(IntPtr pSD, SECURITY_INFORMATION si)
{
var pResSD = IntPtr.Zero;
AdvApi32.GetPrivateObjectSecurity(pSD, si, IntPtr.Zero, 0, out uint ret);
if (ret > 0)
{
pResSD = Marshal.AllocHGlobal((int)ret);
if (pResSD != IntPtr.Zero && !AdvApi32.GetPrivateObjectSecurity(pSD, si, pResSD, ret, out ret))
{
Marshal.FreeHGlobal(pResSD);
pResSD = IntPtr.Zero;
Win32Error.GetLastError().ThrowIfFailed();
}
}
return(pResSD);
}
public static IntPtr GetPrivateObjectSecurity(IntPtr pSD, SECURITY_INFORMATION si)
{
var pResSD = IntPtr.Zero;
uint ret = 0;
AdvApi32.GetPrivateObjectSecurity(pSD, si, IntPtr.Zero, 0, ref ret);
if (ret > 0)
{
pResSD = Marshal.AllocHGlobal((int)ret);
if (pResSD != IntPtr.Zero && !AdvApi32.GetPrivateObjectSecurity(pSD, si, pResSD, ret, ref ret))
{
var hres = Marshal.GetLastWin32Error();
Marshal.FreeHGlobal(pResSD);
pResSD = IntPtr.Zero;
Marshal.ThrowExceptionForHR(hres);
}
}
return(pResSD);
}
