Exemplo n.º 1
0
        private static Int32 GetSecurityByName(
            IntPtr FileSystemPtr,
            String FileName,
            IntPtr PFileAttributes /* or ReparsePointIndex */,
            IntPtr SecurityDescriptor,
            IntPtr PSecurityDescriptorSize)
        {
            FileSystemBase FileSystem = (FileSystemBase)Api.GetUserContext(FileSystemPtr);

            try
            {
                UInt32 FileAttributes;
                Byte[] SecurityDescriptorBytes = null;
                Int32  Result;
                if (IntPtr.Zero != PSecurityDescriptorSize)
                {
                    SecurityDescriptorBytes = ByteBufferNotNull;
                }
                Result = FileSystem.GetSecurityByName(
                    FileName,
                    out FileAttributes,
                    ref SecurityDescriptorBytes);
                if (0 <= Result && 260 /*STATUS_REPARSE*/ != Result)
                {
                    if (IntPtr.Zero != PFileAttributes)
                    {
                        Marshal.WriteInt32(PFileAttributes, (Int32)FileAttributes);
                    }
                    Result = Api.CopySecurityDescriptor(SecurityDescriptorBytes,
                                                        SecurityDescriptor, PSecurityDescriptorSize);
                }
                return(Result);
            }
            catch (Exception ex)
            {
                return(ExceptionHandler(FileSystem, ex));
            }
        }