[stunnel-users] [patch] Systemd socket activation support in daemon mode

Hi,

This patch allows stunnel to be started in daemon mode by systemd's socket activation. This is superior to inetd mode, for all the reasons specified in the stunnel howto. Since systemd is now the default in most of the major Linux distros, it would be great to have this committed upstream.

https://gist.github.com/marktheunissen/7ce9426e66aa8f0ec2e1

Example systemd unit files:

### stunnel.socket

[Unit] Description=Stunnel socket After=network.target

[Socket] ListenStream=9999

### stunnel.service

[Unit] Description=Stunnel service After=network.target

[Service] Type=forking ExecStart=stunnel /etc/stunnel/stunnel.conf

Thanks, Mark Theunissen