Return from #list command with 0

[tacerus]

The "#list" command should not be treated as a failure when it is both a legitimate request by the client, and correctly answered by the server. It is commonly used for assessing whether a rsync endpoint is healthy, having it return with a non-zero exit code causes misleading error reports, and, in case of socket activation, failed service instances on the server.

[tridge]

what testing has been done? Have you tested both inetd operation and running as a daemon?

[tacerus]

I tested running through a socket activated systemd service.