From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Philipp Stephani Newsgroups: gmane.emacs.bugs Subject: bug#45198: 28.0.50; Sandbox mode Date: Sat, 17 Apr 2021 21:19:37 +0200 Message-ID: References: <5818DFAA-3A9C-4335-BAAF-1227A02C290A@acm.org> <19511709-E42B-4ABD-9823-39EA08A79B1F@gmail.com> <83v98kvr7y.fsf@gnu.org> <9A5BCDF3-6543-46C0-AB56-2311392FC549@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="24193"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Alan Third , 45198@debbugs.gnu.org, Stefan Kangas , =?UTF-8?Q?Jo=C3=A3o_?= =?UTF-8?Q?T=C3=A1vora?= , Stefan Monnier To: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Apr 17 21:20:17 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lXqUK-0006BQ-J5 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Apr. 2021 um 19:48 Uhr schrieb Mattias Engdeg=C3=A5rd : > > 17 apr. 2021 kl. 18.10 skrev Philipp : > > > (cl-defun start-sandbox (function &key readable-directories stdout-buff= er) ...) > > (defun wait-for-sandbox (sandbox) ...) > > > > where start-sandbox returns an opaque sandbox object running FUNCTION t= hat wait-for-sandbox can wait for. That should be generic enough that it's= extensible and implementable on several platforms, and doesn't lock us int= o specific implementation choices. > > That's probably a nice interface. A slightly more low-level mechanism is = what I had in mind, a `make-process` variant that starts an Emacs subproces= s with the required arguments to set up a sandbox and leaving it to the use= r to supply remaining arguments. But maybe we are really talking about more= or less the same thing. Yes, that would essentially be how start-sandbox would get implemented. In the Seccomp case, something like (conceptually) (start-process "bwrap ... -- emacs --seccomp=3D... --quick --batch --eval=3DFUNCTION") where bwrap can set up mount namespaces to restrict the filesystem.