On 05/10/2022 16:58, Christopher Obbard wrote:
Hi Arnaud,
Thanks for shedding the extra light. This is not a nice bug !
I think we should ask the systemd maintainer if they'd accept a patch
to make the enabling of systemd-resolved service a manual operation, or
at least to split the binary into a separate package, something like
systemd-standalone-resolved ?
Dear systemd maintainers,
the packages fakemachine & debos (which uses fakemachine) are facing an
issue now that systemd-resolved was split in a separate package.
For the background: fakemachine is a program that spawns a QEMU VM that
"mimics" the host. It does so mainly by mounting /usr from the host into
the VM, plus a few other bits from here and there. For the network to
work in the VM, it relies on systemd-networkd and systemd-resolved.
These programs need to be present on the host, so that they are
available in the VM.
For more details, you can just run "fakemachine" in a shell, then "ps
fax | grep qemu" in another shell: you will see how fakemachine uses qemu.
So far, the package fakemachine Depends on systemd, and that was enough.
Now with the split, and since we need systemd-resolved, we should make
fakemachine Depend on systemd-resolved as well. However, and if I
understand properly, installing systemd-resolved also *enables* it. A
user installing the package is saying: I want name resolution to be done
by systemd-resolved. Therefore it's not really suitable to put it in a
Depend or a Recommend. fakemachine only needs the code from
systemd-resolved (lib and binary, I suppose), but it definitely doesn't
want to enable it: this decision belongs to the user.
Does that make sense so far?
I don't know how to solve best this situation. Maybe the the lib and
binaries could go back into the systemd package, leaving only the
"enablement" part in systemd-resolved?
Thanks!
--
Arnaud Rebillout / Offensive Security / Kali Linux Developer
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