On Fri, 02.08.13 11:52, Florian Weimer (fweimer@xxxxxxxxxx) wrote:
> On 07/30/2013 03:27 AM, Lennart Poettering wrote:
>
> >The same component that creates the temporary directory?
> >
> >In pseudo code:
> >
> > char temp[] = "/tmp/krb.XXXXXX", link[PATH_MAX];
> > char *machine_id, *home;
> >
> > mkdtemp(temp);
> > machine_id = get_file_contents("/etc/machine_id");
> > *strchrnul(machined_id, '\n') = 0;
> > home = getenv("HOME);
> > snprintf(link, "%s/.krb-%s", home, machine_id);
> > symlink(temp, link);
> >
> >Of course, you should skip this if the symlink already exists and points
> >to a valid directory...
>
> I'm not sure if this is a supported use case, but the above breaks
> if /home is mounted on multiple machines.
No, it doesn't, since we explicitly include the machine ID in the name,
which is supposed to be unique to the local system.
Lennart
--
Lennart Poettering - Red Hat, Inc.
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