Cope with out of order messages coming in upon attempting to auth_stratum.

util.c

@@ -1363,38 +1363,46 @@ bool auth_stratum(struct pool *pool)
 	json_error_t err;
 	bool ret = false;
 
+	pool->stratum_notify = false;
+
 	sprintf(s, "{\"id\": %d, \"method\": \"mining.authorize\", \"params\": [\"%s\", \"%s\"]}",
 		swork_id++, pool->rpc_user, pool->rpc_pass);
 
 	if (!stratum_send(pool, s, strlen(s)))
 		goto out;
 
-	/* Parse all data in the queue and anything left should be auth */
+	/* Parse all data in the queue and break out should we run out of data
+	 * or we have successfully parsed a notify message. */
 	while (42) {
 		sret = recv_line(pool);
 		if (!sret)
 			goto out;
-		if (parse_method(pool, sret))
+		if (parse_method(pool, sret)) {
 			free(sret);
-		else
+			if (pool->stratum_notify)
+				break;
+		} else
 			break;
 	}
 
-	val = JSON_LOADS(sret, &err);
-	free(sret);
-	res_val = json_object_get(val, "result");
-	err_val = json_object_get(val, "error");
-
-	if (!res_val || json_is_false(res_val) || (err_val && !json_is_null(err_val)))  {
-		char *ss;
-
-		if (err_val)
-			ss = json_dumps(err_val, JSON_INDENT(3));
-		else
-			ss = strdup("(unknown reason)");
-		applog(LOG_WARNING, "JSON stratum auth failed: %s", ss);
-		free(ss);
-
+	if (!pool->stratum_notify) {
+		val = JSON_LOADS(sret, &err);
+		free(sret);
+		res_val = json_object_get(val, "result");
+		err_val = json_object_get(val, "error");
+
+		if (!res_val || json_is_false(res_val) || (err_val && !json_is_null(err_val)))  {
+			char *ss;
+
+			if (err_val)
+				ss = json_dumps(err_val, JSON_INDENT(3));
+			else
+				ss = strdup("(unknown reason)");
+			applog(LOG_WARNING, "JSON stratum auth failed: %s", ss);
+			free(ss);
+			goto out;
+		}
+		applog(LOG_WARNING, "Failed to auth stratum");
 		goto out;
 	}