Ensure that any messages are being forwarded even on success packet

src/sec-mod-auth.c

@@ -123,6 +123,10 @@ int send_sec_auth_reply(int cfd, sec_mod_st * sec, client_entry_st * entry, AUTH
 
 		msg.user_name = entry->username;
 
+		if (entry->msg_str[0] != 0) {
+			msg.msg = entry->msg_str;
+		}
+
 		msg.has_sid = 1;
 		msg.sid.data = entry->sid;
 		msg.sid.len = sizeof(entry->sid);

src/worker-auth.c

@@ -713,6 +713,8 @@ static int recv_auth_reply(worker_st * ws, int sd, char *txt,
 	oclog(ws, LOG_DEBUG, "received auth reply message (value: %u)",
 	      (unsigned)msg->reply);
 
+	if (txt) txt[0] = 0;
+
 	switch (msg->reply) {
 	case AUTH__REP__MSG:
 		if (txt == NULL || msg->msg == NULL) {
@@ -759,6 +761,9 @@ static int recv_auth_reply(worker_st * ws, int sd, char *txt,
 		memcpy(ws->session_id, msg->dtls_session_id.data,
 		       msg->dtls_session_id.len);
 
+		if (msg->msg && txt)
+			strlcpy(txt, msg->msg, max_txt_size);
+
 		break;
 	case AUTH__REP__FAILED:
 	default:
@@ -1323,7 +1328,6 @@ int post_auth_handler(worker_st * ws, unsigned http_ver)
 		goto auth_fail;
 	}
 
-	msg[0] = 0;
 	ret = recv_auth_reply(ws, sd, msg, sizeof(msg));
 	if (sd != -1) {
 		close(sd);