Re: [PATCH] conf: allow --fd 0

[Stefano Brivio <sbrivio@redhat.com>]

On Sat, 26 Apr 2025 10:44:25 +0200
Alyssa Ross <hi@alyssa.is> wrote:

> inetd-style socket passing traditionally starts a service with a
> connected socket on file descriptors 0 and 1.  passt disallowing
> obtaining its socket from either of these descriptors made it
> difficult to use with super-servers providing this interface — in my
> case I wanted to use passt with s6-ipcserver[1].

Hah, interesting usage, first report I've seen with s6. Is that to
dispatch passt processes for a network / set of guests or something?

> Since (as far as I can tell) passt does not use standard input for
> anything else (unlike standard output),

Correct (...and unlike standard error, too).

> it should be safe to relax the restrictions on --fd to allow setting
> it to 0, enabling this use case.
> 
> Link: https://skarnet.org/software/s6/s6-ipcserver.html [1]
> Signed-off-by: Alyssa Ross <hi@alyssa.is>

Applied, thanks for the patch, and welcome to the git log!

-- 
Stefano