linux-kernel - Re: [PATCH, RESEND 08/12] ima: added parser for RPM data type

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Message-ID: <20170801102709.GA24285@infradead.org>
Date:   Tue, 1 Aug 2017 03:27:09 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Roberto Sassu <roberto.sassu@...wei.com>
Cc:     linux-ima-devel@...ts.sourceforge.net,
        linux-security-module@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH, RESEND 08/12] ima: added parser for RPM data type

On Tue, Aug 01, 2017 at 12:20:36PM +0200, Roberto Sassu wrote:
> This patch introduces a parser for RPM packages. It extracts the digests
> from the RPMTAG_FILEDIGESTS header section and converts them to binary data
> before adding them to the hash table.
> 
> The advantage of this data type is that verifiers can determine who
> produced that data, as headers are signed by Linux distributions vendors.
> RPM headers signatures can be provided as digest list metadata.

Err, parsing arbitrary file formats has no business in the kernel.