/// <summary>
/// Tries to get the information for a file behind a handle.
/// </summary>
public bool TryGetInfoForHandle(IntPtr handle, out FileInfo info)
{
info = null;
if (!_handleToInfoMap.ContainsKey(handle))
{
return(false);
}
info = _handleToInfoMap[handle];
return(true);
}
private int NtCreateFileImpl(out IntPtr handle, FileAccess access, ref Native.Native.OBJECT_ATTRIBUTES objectAttributes, ref Native.Native.IO_STATUS_BLOCK ioStatus, ref long allocSize, uint fileAttributes, FileShare share, uint createDisposition, uint createOptions, IntPtr eaBuffer, uint eaLength)
{
lock (_createLock)
{
string oldFileName = objectAttributes.ObjectName.ToString();
if (!TryGetFullPath(oldFileName, out var newFilePath))
{
return(_createFileHook.OriginalFunction(out handle, access, ref objectAttributes, ref ioStatus, ref allocSize, fileAttributes, share, createDisposition, createOptions, eaBuffer, eaLength));
}
// Check if AFS file and register if it is.
if (newFilePath.Contains(Constants.AfsExtension, StringComparison.OrdinalIgnoreCase))
{
var result = _createFileHook.OriginalFunction(out handle, access, ref objectAttributes, ref ioStatus, ref allocSize, fileAttributes, share, createDisposition, createOptions, eaBuffer, eaLength);
DisableRedirectionHooks();
if (IsAfsFile(newFilePath))
{
#if DEBUG
Console.WriteLine($"[AFSHook] AFS File Handle Opened: {handle}, File: {newFilePath}");
#endif
_handleToInfoMap[handle] = new FileInfo(newFilePath, 0);
OnAfsHandleOpened(handle, newFilePath);
}
EnableRedirectionHooks();
return(result);
}
var ntStatus = _createFileHook.OriginalFunction(out handle, access, ref objectAttributes, ref ioStatus, ref allocSize, fileAttributes, share, createDisposition, createOptions, eaBuffer, eaLength);
// Invalidate Duplicate Handles (until we implement NtClose hook).
if (_handleToInfoMap.ContainsKey(handle))
{
_handleToInfoMap.TryRemove(handle, out var value);
#if DEBUG
Console.WriteLine($"[AFSHook] Removed old disposed handle: {handle}, File: {value.FilePath}");
#endif
}
return(ntStatus);
}
}