Re: pam_krb5 and user logout

[Nicolas Williams <Nicolas Williams ubsw com>]

On Tue, Jan 29, 2002 at 01:37:21PM -0500, Mike Gerdts wrote:
> Of course, this has to have some cooperation from things that may want
> to update the credential cache with something like:
> 
>     open(/tmp/newfile)
>     write(newfile, data)
>     close(newfile)
>     rename(/tmp/newfile, /tmp/oldfile)

...
seteuid(user's uid);
newfile=mktemp("/tmp/krb5cc_uid_XXXXXXXX");
krb5_cc_default(...);
krb5_cc_store_creds(...);
link("/tmp/krb5cc_uid", newfile);
...

> Perhaps that last part is the deal breaker on this scheme.

Not really, though with default ccache names there's the threat of
symlink races...

> Mike


I like this,

Nico
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