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From: Eric Paris <eparis@redhat.com>
To: "Andrew G. Morgan" <morgan@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-audit@redhat.com,
	viro@zeniv.linux.org.ok, sgrubb@redhat.com, serue@us.ibm.com
Subject: Re: [PATCH 1/4] CAPABILITIES: add cpu endian vfs caps structure
Date: Tue, 21 Oct 2008 09:22:17 -0400	[thread overview]
Message-ID: <1224595337.3189.196.camel@paris-laptop> (raw)
In-Reply-To: <48FD6DA1.5030402@kernel.org>

On Mon, 2008-10-20 at 22:50 -0700, Andrew G. Morgan wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Eric Paris wrote:
> > This patch add a generic cpu endian caps structure and enternally available
> > functions which retrieve fcaps information from disk.  This information is
> > necessary so fcaps information can be collected and recorded by the audit
> > system.
> > 
> [...]
> >  	CAP_FOR_EACH_U32(i) {
> > -		__u32 value_cpu;
> > -
> > -		if (i >= tocopy) {
> > -			/*
> > -			 * Legacy capability sets have no upper bits
> > -			 */
> > -			bprm->cap_post_exec_permitted.cap[i] = 0;
> > +		if (i > tocopy) {
> 
> Shouldn't the above still be (i >= tocopy) ?

just replaced this with

if (i >= tocopy)
        break;

I'm already zero'ing out the cap data at the beginning so there isn't
really a need for me to zero the upper bits if they aren't set.

-Eric


  reply	other threads:[~2008-10-21 13:22 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-20 22:25 [PATCH 0/4] Audit support for file capabilities Eric Paris
2008-10-20 22:26 ` [PATCH 1/4] CAPABILITIES: add cpu endian vfs caps structure Eric Paris
2008-10-21  5:50   ` Andrew G. Morgan
2008-10-21 13:22     ` Eric Paris [this message]
2008-10-20 22:26 ` [PATCH 2/4] AUDIT: output permitted and inheritable fcaps in PATH records Eric Paris
2008-10-20 22:26 ` [PATCH 3/4] AUDIT: audit when fcaps increase the permitted or inheritable capabilities Eric Paris
2008-10-21  5:53   ` Andrew G. Morgan
2008-10-21 19:16     ` Serge E. Hallyn
2008-10-22 12:51       ` Andrew G. Morgan
2008-10-22 14:14         ` Serge E. Hallyn
2008-10-23  4:13           ` Andrew G. Morgan
2008-10-29 21:58             ` Eric Paris
2008-10-30 13:35               ` Serge E. Hallyn
2008-10-20 22:26 ` [PATCH 4/4] AUDIT: emit new record type showing all capset information Eric Paris

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