// Creates a fid for the specified user that points to the root
// of the file server's file tree. Returns a Fid pointing to the root,
// if successful, or an Error.
func (clnt *Client) Attach(afid *Fid, user g9p.User, aname string) (*Fid, error) {
var afno uint32
if afid != nil {
afno = afid.Fid
} else {
afno = g9p.NOFID
}
fid := clnt.fidAlloc()
tc := clnt.newFcall()
err := g9p.PackTattach(tc, fid.Fid, afno, user.Name(), aname, uint32(user.Id()), clnt.dotu)
if err != nil {
return nil, err
}
rc, err := clnt.rpc(tc)
if err != nil {
return nil, err
}
if rc.Type == g9p.Rerror {
return nil, &g9p.Error{rc.Error, int(rc.Errornum)}
}
fid.Qid = rc.Qid
fid.User = user
return fid, nil
}
// Creates an authentication fid for the specified user. Returns the fid, if
// successful, or an Error.
func (clnt *Client) Auth(user g9p.User, aname string) (*Fid, error) {
fid := clnt.fidAlloc()
tc := clnt.newFcall()
err := g9p.PackTauth(tc, fid.Fid, user.Name(), aname, uint32(user.Id()), clnt.dotu)
if err != nil {
return nil, err
}
_, err = clnt.rpc(tc)
if err != nil {
return nil, err
}
fid.User = user
return fid, nil
}