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Message-ID: <20240718.ZuXiejae2ohy@digikod.net> Date: Thu, 18 Jul 2024 18:21:11 +0200 From: Mickaël Salaün <mic@...ikod.net> To: Roberto Sassu <roberto.sassu@...weicloud.com> Cc: James Bottomley <James.Bottomley@...senpartnership.com>, Mimi Zohar <zohar@...ux.ibm.com>, Al Viro <viro@...iv.linux.org.uk>, Christian Brauner <brauner@...nel.org>, Kees Cook <keescook@...omium.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Paul Moore <paul@...l-moore.com>, Theodore Ts'o <tytso@....edu>, Alejandro Colomar <alx@...nel.org>, Aleksa Sarai <cyphar@...har.com>, Andrew Morton <akpm@...ux-foundation.org>, Andy Lutomirski <luto@...nel.org>, Arnd Bergmann <arnd@...db.de>, Casey Schaufler <casey@...aufler-ca.com>, Christian Heimes <christian@...hon.org>, Dmitry Vyukov <dvyukov@...gle.com>, Eric Biggers <ebiggers@...nel.org>, Eric Chiang <ericchiang@...gle.com>, Fan Wu <wufan@...ux.microsoft.com>, Florian Weimer <fweimer@...hat.com>, Geert Uytterhoeven <geert@...ux-m68k.org>, James Morris <jamorris@...ux.microsoft.com>, Jan Kara <jack@...e.cz>, Jann Horn <jannh@...gle.com>, Jeff Xu <jeffxu@...gle.com>, Jonathan Corbet <corbet@....net>, Jordan R Abrahams <ajordanr@...gle.com>, Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>, Luca Boccassi <bluca@...ian.org>, Luis Chamberlain <mcgrof@...nel.org>, "Madhavan T . Venkataraman" <madvenka@...ux.microsoft.com>, Matt Bobrowski <mattbobrowski@...gle.com>, Matthew Garrett <mjg59@...f.ucam.org>, Matthew Wilcox <willy@...radead.org>, Miklos Szeredi <mszeredi@...hat.com>, Nicolas Bouchinet <nicolas.bouchinet@....gouv.fr>, Scott Shell <scottsh@...rosoft.com>, Shuah Khan <shuah@...nel.org>, Stephen Rothwell <sfr@...b.auug.org.au>, Steve Dower <steve.dower@...hon.org>, Steve Grubb <sgrubb@...hat.com>, Thibaut Sautereau <thibaut.sautereau@....gouv.fr>, Vincent Strubel <vincent.strubel@....gouv.fr>, Xiaoming Ni <nixiaoming@...wei.com>, Yin Fengwei <fengwei.yin@...el.com>, kernel-hardening@...ts.openwall.com, linux-api@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org, Elliott Hughes <enh@...gle.com> Subject: Re: [RFC PATCH v19 0/5] Script execution control (was O_MAYEXEC) On Tue, Jul 16, 2024 at 07:31:45PM +0200, Mickaël Salaün wrote: > On Tue, Jul 16, 2024 at 12:12:49PM -0400, James Bottomley wrote: > > On Tue, 2024-07-16 at 17:57 +0200, Roberto Sassu wrote: > > > But the Clip OS 4 patch does not cover the redirection case: > > > > > > # ./bash < /root/test.sh > > > Hello World > > > > > > Do you have a more recent patch for that? > > Bash was only partially restricted for CLIP OS because it was used for > administrative tasks (interactive shell). > > Python was also restricted for user commands though: > https://github.com/clipos-archive/clipos4_portage-overlay/blob/master/dev-lang/python/files/python-2.7.9-clip-mayexec.patch > > Steve and Christian could help with a better Python implementation. I'll include a toy interpreter in the next patch series. That should help for experiments.
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