File

mod_roster_command: Fix subscription when the "user JID" is a bare domain. Do not attempt to update the roster when the user is bare domain (e.g. a component), since they don't have rosters and the attempt results in an error: $ prosodyctl mod_roster_command subscribe proxy.example.com contact@example.com xxxxxxxxxxFailed to execute command: Error: /usr/lib/prosody/core/rostermanager.lua:104: attempt to concatenate local 'username' (a nil value) stack traceback: /usr/lib/prosody/core/rostermanager.lua:104: in function 'load_roster' /usr/lib/prosody/core/rostermanager.lua:305: in function 'set_contact_pending_out' mod_roster_command.lua:44: in function 'subscribe'

local hostname = module:get_option_string("sasl_hostname", module.host);

module:hook("stream-features", function(event)
	local features = event.features;
	local mechs = features:get_child("mechanisms", "urn:ietf:params:xml:ns:xmpp-sasl");
	if mechs then
		mechs:tag("hostname", { xmlns = "urn:xmpp:domain-based-name:1" })
			:text(hostname):up();
	end
end);