func (*NullFS) Attach(req *srv.Req) {
if req.Afid != nil {
req.RespondError(srv.Enoauth)
return
}
req.Fid.Aux = &Fid{NullFile: NullFile{Name: "."}}
req.RespondRattach(dirQids["."])
}
func (u *Ufs) Attach(req *srv.Req) {
if req.Afid != nil {
req.RespondError(srv.Enoauth)
return
}
tc := req.Tc
fid := new(Fid)
// You can think of the ufs.Root as a 'chroot' of a sort.
// client attaches are not allowed to go outside the
// directory represented by ufs.Root
fid.path = path.Join(u.Root, tc.Aname)
req.Fid.Aux = fid
err := fid.stat()
if err != nil {
req.RespondError(err)
return
}
qid := dir2Qid(fid.st)
req.RespondRattach(qid)
}