Re: [PATCH v2] xfs_profile: fix permission octet when suid/guid is set

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Sorry for the typo! Sent the fixed patch

L.

On Wed, Apr 16, 2025 at 6:28 PM Darrick J. Wong <djwong@xxxxxxxxxx> wrote:
>
> On Wed, Apr 16, 2025 at 06:14:13PM +0200, Luca Di Maio wrote:
> > When encountering suid or sgid files, we already set the `u` or `g` property
> > in the prototype file.
> > Given that proto.c only supports three numbers for permissions, we need to
> > remove the redundant information from the permission, else it was incorrectly
> > parsed.
> >
> > [v1] -> [v2]
> > Improve masking as suggested
> >
> > Co-authored-by: Luca Di Maio <luca.dimaio1@xxxxxxxxx>
> > Co-authored-by: Darrick J. Wong <djwong@xxxxxxxxxx>
> > Signed-off-by: Luca Di Maio <luca.dimaio1@xxxxxxxxx>
>
> The subject line should say "xfs_protofile", not "xfs_profile".
>
> With that fixed,
> Reviewed-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
>
> --D
>
> > ---
> >  mkfs/xfs_protofile.in | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/mkfs/xfs_protofile.in b/mkfs/xfs_protofile.in
> > index e83c39f..9418e7f 100644
> > --- a/mkfs/xfs_protofile.in
> > +++ b/mkfs/xfs_protofile.in
> > @@ -43,7 +43,9 @@ def stat_to_str(statbuf):
> >       else:
> >               sgid = '-'
> >
> > -     perms = stat.S_IMODE(statbuf.st_mode)
> > +     # We already register suid in the proto string, no need
> > +     # to also represent it into the octet
> > +     perms = stat.S_IMODE(statbuf.st_mode) & 0o777
> >
> >       return '%s%s%s%03o %d %d' % (type, suid, sgid, perms, statbuf.st_uid, \
> >                       statbuf.st_gid)
> > --
> > 2.49.0
> >





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