I wrote one myself. Fun things: 'int getuid() { return 0; }' in the userland code was sufficient for authentication. And the mountd returned the root handle of

I wrote one myself. Fun things: 'int getuid() { return 0; }' in the userland code was sufficient for authentication. And the mountd returned the root handle of the file system. When you presented that handle to nfsd it would happily serve you even when you are no longer in the exports table.