MINOR: cfgparse-quic: reject unexpected args for quic-cc-algo

Author: a-denoyelle

src/cfgparse-quic.c

@@ -113,19 +113,26 @@ static int bind_parse_quic_cc_algo(char **args, int cur_arg, struct proxy *px,
 	}
 
 	if (*arg++ == '(') {
-		unsigned long cwnd;
 		char *end_opt;
 
-		cwnd = parse_window_size(args[cur_arg], arg, &end_opt, err);
-		if (!cwnd)
-			goto fail;
+		if (cc_algo == &quic_cc_algo_nocc) {
+			unsigned long cwnd = parse_window_size(args[cur_arg], arg, &end_opt, err);
+			if (!cwnd)
+				goto fail;
 
-		if (*end_opt != ')') {
-			memprintf(err, "'%s' : expects %s(<max window>)", args[cur_arg + 1], algo);
-			goto fail;
-		}
+			if (*end_opt != ')') {
+				memprintf(err, "'%s' : expects %s(<max window>)", args[cur_arg + 1], algo);
+				goto fail;
+			}
 
-		conf->max_cwnd = cwnd;
+			conf->max_cwnd = cwnd;
+		}
+		else {
+			if (*arg++ != ')') {
+				memprintf(err, "'%s' : unexpected extra argument for '%s' algorithm", args[cur_arg], algo);
+				goto fail;
+			}
+		}
 	}
 
 	conf->quic_cc_algo = cc_algo;