net.unbound: Merge luaunbound and prosody defaults in absence of user config (fixes #1763) (thanks rgd) add_defaults() is supposed to merge 3 tables, the defaults in luaunbound, the defaults from prosody and any config from the prosody config file. In the case where no `unbound={}` has been in the config, it skips over the merge and returns only the prosody built-in defaults. This results in libunbound skipping reading resolv.conf and uses its default behavior of full recursive resolution. Prior to #1737 there were only two tables, the luaunbound defaults and the prosody config, where bypassing the merge and returning the former did the right thing.

module:set_global();

local filters = require "util.filters";

local function log_send(t, session)
	if t and t ~= "" and t ~= " " then
		session.log("debug", "SEND: %s", t);
	end
	return t;
end

local function log_recv(t, session)
	if t and t ~= "" and t ~= " " then
		session.log("debug", "RECV: %s", t);
	end
	return t;
end

local function init_raw_logging(session)
	filters.add_filter(session, "stanzas/in",  log_recv, -10000);
	filters.add_filter(session, "stanzas/out", log_send,  10000);
end

filters.add_filter_hook(init_raw_logging);

function module.unload()
	filters.remove_filter_hook(init_raw_logging);
end