From 604ce3d85a879aa50c045b1f36c0580748b72eb7 Mon Sep 17 00:00:00 2001
From: Ralph Boehme <slow@samba.org>
Date: Fri, 10 Sep 2021 07:22:12 +0200
Subject: [PATCH] s4/regpatch: don't ignore unknown options

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14828

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
---
 source4/lib/registry/tools/regpatch.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/source4/lib/registry/tools/regpatch.c b/source4/lib/registry/tools/regpatch.c
index 281a7fef43a..2be78d143ef 100644
--- a/source4/lib/registry/tools/regpatch.c
+++ b/source4/lib/registry/tools/regpatch.c
@@ -77,6 +77,13 @@ int main(int argc, char **argv)
 	}
 
 	while((opt = poptGetNextOpt(pc)) != -1) {
+		switch (opt) {
+		case POPT_ERROR_BADOPT:
+			fprintf(stderr, "\nInvalid option %s: %s\n\n",
+				poptBadOption(pc, 0), poptStrerror(opt));
+			poptPrintUsage(pc, stderr, 0);
+			exit(1);
+		}
 	}
 
 	ev_ctx = s4_event_context_init(NULL);