* Daniel J Walsh wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 03/19/2012 07:59 AM, Thierry Reding wrote: > > * Kay Sievers wrote: > >> On Sat, Mar 17, 2012 at 15:14, Koen Kooi > >> <[email protected]> wrote: > >>> > >>> Op 16 mrt. 2012, om 02:40 heeft Lennart Poettering het volgende > >>> geschreven: > >>> > >>>> Heya, > >>>> > >>>> this is primarily a bugfix release (but does include a couple > >>>> of new things) and might be very likely the version we'll > >>>> ship in Fedora 17, unless there's some unforeseen bigger bug > >>>> left to be fixed. > >>>> > >>>> http://cgit.freedesktop.org/systemd/systemd/plain/NEWS > >>>> http://www.freedesktop.org/software/systemd/systemd-44.tar.xz > >>> > >>> > >>>> > I get the following error and warnings when crosscompiling for arm: > >>> > >>> | src/journal/journald.c: In function 'process_event': | > >>> src/journal/journald.c:2147:49: error: 'PAGE_SIZE' undeclared > >>> (first use in this function) > >> > >> PATH_MAX might be simpler to use here. > > > > Exactly how long are SELinux labels allowed to be? I couldn't find > > any related constants in any of the headers on my system. > > Alternatively, maybe a more portable way would be to use > > sysconf(_SC_PAGESIZE) here? > > Right now they are unlimited, but we are having discussions with > upstream about potentially picking a limit of around 2k.
What is the time frame for this? > I have been able to generate a worse case label of just over 5k, in > userspace, but this would be limited to around 2k if coming from the > kernel. > > In NON-MlS world, SELinux labels would never be longer then 100 chars. In the meantime maybe some constant known to be an absolute maximum should be chosen. I don't know if the typical page-size of 4K would be enough given that you've been able to generate one that is larger. 8K on the other hand seems way too much. Thierry
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