Date: Wed, 28 Dec 2022 11:47:25 -0500 From: Demi Marie Obenour <demi@...isiblethingslab.com> To: oss-security@...ts.openwall.com Cc: Alejandro Colomar <alx.manpages@...il.com>, Michael Kerrisk <mtk.manpages@...il.com>, linux-kernel@...r.kernel.org, linux-man@...r.kernel.org Subject: Re: [patch] proc.5: tell how to parse /proc/*/stat correctly On Wed, Dec 28, 2022 at 10:24:58AM -0500, Shawn Webb wrote: > On Tue, Dec 27, 2022 at 04:44:49PM -0800, Lyndon Nerenberg (VE7TFX/VE6BBM) wrote: > > Dominique Martinet writes: > > > > > But, really, I just don't see how this can practically be said to be parsable... > > > > In its current form it never will be. The solution is to place > > this variable-length field last. Then you can "cut -d ' ' -f 51-" > > to get the command+args part (assuming I counted all those fields > > correctly ...) > > > > Of course, this breaks backwards compatability. > > It would also break forwards compatibility in the case new fields > needed to be added. > > The only solution would be a libxo-style feature wherein a > machine-parseable format is exposed by virtue of a file extension. > > Examples: > > 1. /proc/pid/stats.json > 2. /proc/pid/stats.xml > 3. /proc/pid/stats.yaml_shouldnt_be_a_thing A binary format would be even better. No risk of ambiguity. -- Sincerely, Demi Marie Obenour (she/her/hers) Invisible Things Lab Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)
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