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From: Guido van Rooij <guido@gvr.win.tue.nl>
Message-Id: <199703100910.KAA11966@gvr.win.tue.nl>
Subject: Re: 4.4BSD NFS File Handles (fwd)
In-Reply-To: <199703091954.LAA00737@cwsys.cwent.com> from Cy Schubert at "Mar 9, 97 11:54:41 am"
To: cschuber@uumail.gov.bc.ca
Date: Mon, 10 Mar 1997 10:10:03 +0100 (MET)
Cc: freebsd-security@freebsd.org, wollman@lcs.mit.edu,
        danny@panda.hilink.com.au
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Cy Schubert wrote:
> --- sys/kern/vfs_vnops.c.orig   Thu Oct 26 02:17:22 1995
> +++ sys/kern/vfs_vnops.c        Sun Mar  9 09:28:11 1997
> @@ -395,7 +395,10 @@
>         sb->st_ctimespec = vap->va_ctime;
>         sb->st_blksize = vap->va_blocksize;
>         sb->st_flags = vap->va_flags;
> -       sb->st_gen = vap->va_gen;
> +       if (p->p_cred->pc_ucred->cr_uid == 0)
> +               sb->st_gen = vap->va_gen;
> +       else
> +               sb->st_gen = 0;
>         sb->st_blocks = vap->va_bytes / S_BLKSIZE;
>         return (0);
>  }
> 

This was added last friday though slightly modified:

if (p->p_ucred->cr_uid == 0)
	...

-Guido