Re: [Qemu-devel] [PATCH 04/29] 9pfs: introduce openat_nofollow() helper

[Greg Kurz]

On Fri, 24 Feb 2017 17:17:30 +0000
Stefan Hajnoczi <address@hidden> wrote:
[...]
> > > This function doesn't handle absolute paths?  It ignores leading '/' and
> > > therefore treats all paths as relative paths.
> > >   
> > 
> > Yes because any path coming from the client is supposed (*) to be relative 
> > to the
> > shared directory and openat(2) says:  
> 
> Please change the function name since this isn't openat with nofollow
> behavior, it's a subset of openat that only takes relative paths with
> nofollow behavior.

In the v2, this function is only called by local_open_nofollow() actually.
Maybe I should move the stripping of leading '/' characters there ?

pgpxQ0YzdaHb_.pgp
Description: OpenPGP digital signature