Module Name: src
Committed By: ozaki-r
Date: Thu Aug 3 05:45:36 UTC 2023
Modified Files:
src/sys/netinet6: ip6_output.c
Log Message:
in6: don't send any IPv6 packets over a disabled interface
To generate a diff of this commit:
cvs rdiff -u -r1.233 -r1.234 src/sys/netinet6/ip6_output.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/netinet6/ip6_output.c
diff -u src/sys/netinet6/ip6_output.c:1.233 src/sys/netinet6/ip6_output.c:1.234
--- src/sys/netinet6/ip6_output.c:1.233 Mon Mar 20 09:15:52 2023
+++ src/sys/netinet6/ip6_output.c Thu Aug 3 05:45:36 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: ip6_output.c,v 1.233 2023/03/20 09:15:52 ozaki-r Exp $ */
+/* $NetBSD: ip6_output.c,v 1.234 2023/08/03 05:45:36 ozaki-r Exp $ */
/* $KAME: ip6_output.c,v 1.172 2001/03/25 09:55:56 itojun Exp $ */
/*
@@ -62,7 +62,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip6_output.c,v 1.233 2023/03/20 09:15:52 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip6_output.c,v 1.234 2023/08/03 05:45:36 ozaki-r Exp $");
#ifdef _KERNEL_OPT
#include "opt_inet.h"
@@ -171,6 +171,12 @@ ip6_if_output(struct ifnet * const ifp,
}
}
+ /* discard the packet if IPv6 operation is disabled on the interface */
+ if ((ND_IFINFO(ifp)->flags & ND6_IFF_IFDISABLED)) {
+ m_freem(m);
+ return ENETDOWN; /* better error? */
+ }
+
if ((ifp->if_flags & IFF_LOOPBACK) != 0)
error = if_output_lock(ifp, origifp, m, sin6tocsa(dst), rt);
else
