From cc0914d018159844e4dc1045b1cf155c1aa615be Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@osmocom.org>
Date: Tue, 3 Dec 2019 21:52:49 +0100
Subject: [PATCH] exit(2) on unsupported positional arguments on command line

Change-Id: Id33caf93325074f9e5b2b322ac497b1c21c3f406
---
 src/hnbgw.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/hnbgw.c b/src/hnbgw.c
index 9dc67a2c..0db04af1 100644
--- a/src/hnbgw.c
+++ b/src/hnbgw.c
@@ -455,6 +455,11 @@ static void handle_options(int argc, char **argv)
 			break;
 		}
 	}
+
+	if (argc > optind) {
+		fprintf(stderr, "Unsupported positional arguments on command line\n");
+		exit(2);
+	}
 }
 
 CTRL_CMD_DEFINE_RO(hnb_info, "info");