Hello,
Andrew Bower, le dim. 01 mars 2026 11:51:31 +0000, a ecrit:
> On Mon, Feb 23, 2026 at 12:01:48AM +0100, Samuel Thibault wrote:
> > opensysusers' systemd-sysusers fails to create the _ssh group:
> >
> > Setting up openssh-client (1:10.2p1-5) ...
> > groupadd: invalid group ID ''
> > chgrp: invalid group: ‘_ssh’
> > dpkg: error processing package openssh-client (--configure):
> > old openssh-client package postinst maintainer script subprocess failed
> > with exit status 1
> >
> > the content of openssh-client.conf is just
> >
> > g _ssh
> >
> > I guess opensysusers somehow doesn't like not having even "- -", while
> > systemd is fine with that.
>
> What do you think of this patch?
It does work fine indeed.
Thanks,
Samuel
> diff --git a/sysusers b/sysusers
> index 0e09217..8e5187d 100755
> --- a/sysusers
> +++ b/sysusers
> @@ -81,7 +81,7 @@ parse_string() {
> #eval "set -- $1" # do not use eval, see CVE-2021-40084
> set -- $1
> suffix="${1#?}"
> - type="${1%%${suffix}}" name="$2" id="$3" gecos="$4" home="$5"
> + type="${1%%${suffix}}" name="$2" id="${3:--}" gecos="${4:--}"
> home="$5"
>
> # and now set the GECOS field without eval
> if [ "${type}" = u ]; then
>
