--- a/mod_s2s_auth_monkeysphere/README.markdown	Sat Dec 01 16:04:24 2018 +0100
+++ b/mod_s2s_auth_monkeysphere/README.markdown	Sat Dec 01 16:04:35 2018 +0100
@@ -18,8 +18,9 @@
 
 ## Compatibility
 
-  ------- -------
-  trunk   Works
-  0.10    Works
-  0.9     Works
-  ------- -------
+  ------- -----------------------------
+  trunk   Works (not tested recently)
+  0.11    Works (not tested)
+  0.10    Does not work
+  0.9     Does not work
+  ------- -----------------------------

--- a/mod_s2s_auth_monkeysphere/mod_s2s_auth_monkeysphere.lua	Sat Dec 01 16:04:24 2018 +0100
+++ b/mod_s2s_auth_monkeysphere/mod_s2s_auth_monkeysphere.lua	Sat Dec 01 16:04:35 2018 +0100
@@ -1,33 +1,17 @@
 module:set_global();
 
-local http_request = require"socket.http".request;
-local ltn12 = require"ltn12";
 local json = require"util.json";
 local json_encode, json_decode = json.encode, json.decode;
 local gettime = require"socket".gettime;
 local serialize = require"util.serialization".serialize;
-local have_async, async = pcall(require, "util.async");
+local async = require"util.async";
+local http_request = require "net.http".request;
 
 local msva_url = assert(os.getenv"MONKEYSPHERE_VALIDATION_AGENT_SOCKET",
 	"MONKEYSPHERE_VALIDATION_AGENT_SOCKET is unset, please set it").."/reviewcert";
 
-if have_async then
-	local _http_request = require "net.http".request;
-	function http_request(url, ex)
-		local wait, done = async.waiter();
-		local content, code, request, response;
-		_http_request(url, ex, function (_content, _code, _request, _response)
-			content, code, request, response = _content, _code, _request, _response;
-			done();
-		end);
-		wait();
-		return content, code, request, response;
-	end
-end
-
 local function check_with_monkeysphere(event)
 	local session, host, cert = event.session, event.host, event.cert;
-	local result = {};
 	local post_body = json_encode {
 		peer = {
 			name = host;
@@ -42,23 +26,26 @@
 	}
 	local req = {
 		method = "POST";
-		url = msva_url;
 		headers = {
 			["Content-Type"] = "application/json";
-			["Content-Length"] = tostring(#post_body);
 		};
-		sink = ltn12.sink.table(result);
-		source = ltn12.source.string(post_body);
+		body = post_body;
 	};
 	session.log("debug", "Asking what Monkeysphere thinks about this certificate");
 	local starttime = gettime();
-	local ok, code = http_request(req);
+	local wait, done = async.waiter();
+	local body, code;
+	http_request(msva_url, req, function (_, _code)
+		body, code = body, _code;
+		done();
+	end);
+	wait();
 	module:log("debug", "Request took %fs", gettime() - starttime);
-	local body = table.concat(result);
-	if ok and code == 200 and body then
+	if code == 200 and body then
 		body = json_decode(body);
 		if body then
-			session.log(body.valid and "info" or "warn", "Monkeysphere thinks the cert is %salid: %s", body.valid and "V" or "Inv", body.message);
+			session.log(body.valid and "info" or "warn",
+				"Monkeysphere thinks the cert is %salid: %s", body.valid and "V" or "Inv", body.message);
 			if body.valid then
 				session.cert_chain_status = "valid";
 				session.cert_identity_status = "valid";