Fredrik Tolf wrote (in a message from Monday 1)
> Hi!
>
> I've been playing around xauth a little just now, and I'm a bit
> curious about the 'generate' command.
>
> I've been able to do about what I want with this command:
>
> file=`mktemp /tmp/xauthXXXXXX`
> xauth -f "$file" generate :0 . untrusted timeout 120
>
> However, having to store the cookie to a file and then just fetch it,
> transmit it and delete the file again feels a bit awkward. Isn't it
> possible to just get the cookie on stdout?
Not currently. Since the cookie has to be strored in a file
(~/.Xauthority in most cases) anyways, I don't really see that as a
problem. If you really need to generate cookies to there are at least
2 solutions :
- use some other external program to generate the random bytes and
then feed the to xauth add
- patch xauth to accept - as a file name for -f to mean stdin/stdout
depending on the operation and submit it to our bugzilla :)
>
> Also, I have some questions about some of the options. Is it possible
> to get one-shot cookies?
Not currently AFAIK. It would probably be a nice thing to have to
enhance the security of the autorisation protocol, probably with some
other mechanisms (like a public key based autorization scheme).
For now, to secure remote X11 connections, X -nolisten tcp along with
ssh tunnels are the best (and easier to set up) way.
> Where can I get information about how
> application groups work?
xc/doc/hardcopy/Xext/AppGroup.PS.gz is the canonical documentation of
the extension. I'm not aware of any other docs (beside source code).
Matthieu
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