GNU bug report logs - #40922
gnu: udevil: Fix loading of setuid-programs.

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From: Danny Milosavljevic <dannym <at> scratchpost.org>
To: Raghav Gururajan <raghavgururajan <at> disroot.org>
Cc: 40922 <at> debbugs.gnu.org
Subject: [bug#40922] gnu: udevil: Fix loading of setuid-programs.
Date: Fri, 1 May 2020 14:24:05 +0200

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Hi Raghav,

On Tue, 28 Apr 2020 02:52:28 -0400
Raghav Gururajan <raghavgururajan <at> disroot.org> wrote:

> [1] Patched references to mount, umount, losetup and setfacl; as udevil
> expects these programs to have uid set as root.
> [2] Patched references to udevil; as udevil itself and devmon expects
> udevil to have uid set as root.

Why are both needed at the same time?  If udevil is setuid root, then the
other tools are invoked as root anyway, right?  Or does udevil drop root
privileges?  (short look into src/udevil.c suggests yes)

Is there a description from upstream how all that is supposed to work?

Remainder OK.

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