[systemd-devel] Whitespace in /etc/crypttab

[Lennart Poettering]

On Thu, 12.02.15 13:12, Zbigniew Jędrzejewski-Szmek (zbyszek at in.waw.pl) wrote:

> On Thu, Feb 12, 2015 at 09:49:34AM +0000, John Lane wrote:
> > I see
> > <http://cgit.freedesktop.org/systemd/systemd/commit/?id=84cc2abf3472b>[1] that
> > "PARTLABEL=" is supported in /etc/cryptab although it isn't
> > documented[2]
> > <http://www.freedesktop.org/software/systemd/man/crypttab.html>.
> > 
> > [1] http://cgit.freedesktop.org/systemd/systemd/commit/?id=84cc2abf3472b
> > [2] http://www.freedesktop.org/software/systemd/man/crypttab.html
> It would be great to have it documented.
> 
> > Placing an entry in /etc/crypttab like
> > 
> > cryptvol PARTLABEL=A\040B none
> > 
> > results in device units like
> > 
> > dev-disk-by\x2dpartlabel-A\x5cx5c040B
> > 
> > I also tried "A\x20B" I get "dev-disk-by\x2dpartlabel-A\x5cx5cx20B"
> > 
> > GPT supports whitespace in partition labels. Is it possible to use
> > whitespace in PARTLABEL in /etc/crypttab?
> Seems like a call to cunescape() is missing somewhere. Patch welcome ;)

Actually I'd prefer if we could rework code like this to use
unquote_many_words(), which is much nicer anyway, and should give us
this for free...

Lennart

-- 
Lennart Poettering, Red Hat