Re: pkg/45044: archivers/libarchive minix support

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

The following reply was made to PR pkg/45044; it has been noted by GNATS.

From: Joerg Sonnenberger <joerg%britannica.bec.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: joerg%NetBSD.org@localhost, gnats-admin%netbsd.org@localhost, 
pkgsrc-bugs%netbsd.org@localhost,
        tcort%minix3.org@localhost
Subject: Re: pkg/45044: archivers/libarchive minix support
Date: Sun, 12 Jun 2011 12:03:34 +0200

 On Sun, Jun 12, 2011 at 04:35:03AM +0000, David Holland wrote:
 > The following reply was made to PR pkg/45044; it has been noted by GNATS.
 > 
 > From: David Holland <dholland-pbugs%netbsd.org@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc: 
 > Subject: Re: pkg/45044: archivers/libarchive minix support
 > Date: Sun, 12 Jun 2011 04:34:25 +0000
 > 
 >  On Sat, Jun 11, 2011 at 06:05:04PM +0000, Joerg Sonnenberger wrote:
 >   >> Minix UIDs are 16-bits and Minix GIDs are 8-bits. The tar format
 >   >> supports much larger UIDs/GIDs. libarchive should handle the case where
 >   >> the UIDs/GIDs overflow the archive_entry uid/gid fields by setting
 >   >> the uid/gid to something valid (example: the uid of the nobody user and
 >   >> the gid of the nobody group) and it should produce a warning when doing 
 > so.
 >   >  
 >   >  I don't think the complexity of this is justified with the gain.
 >  
 >  It doesn't make sense to worry about this unless you're root and the
 >  tar -p option (or equivalent) is in effect, and in that case it should
 >  print a warning, set the id to 0, and be sure to clear the set[ug]id
 >  bits. Much simpler that way...
 
 As root permissions are extracted by default. But there are two things
 to keep in mind here:
 (1) user/group name is prefered over numeric version
 (2) If you are not doing a tar tvf first, it doesn't matter. If you do
 it, you get the same numeric values as a later extract would use.
 
 Joerg