[src/trunk]: src/sys/netinet correct log_refused check (TH_SYN, !TH_RST and !...

[itojun <itojun%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f25896687e5a
branches:  trunk
changeset: 538266:f25896687e5a
user:      itojun <itojun%NetBSD.org@localhost>
date:      Wed Oct 16 15:15:28 2002 +0000

description:
correct log_refused check (TH_SYN, !TH_RST and !TH_ACK).  PR 18669

diffstat:

 sys/netinet/tcp_input.c |  10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diffs (38 lines):

diff -r a75cf5b442e1 -r f25896687e5a sys/netinet/tcp_input.c
--- a/sys/netinet/tcp_input.c   Wed Oct 16 15:00:50 2002 +0000
+++ b/sys/netinet/tcp_input.c   Wed Oct 16 15:15:28 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tcp_input.c,v 1.155 2002/09/11 02:41:21 itojun Exp $   */
+/*     $NetBSD: tcp_input.c,v 1.156 2002/10/16 15:15:28 itojun Exp $   */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -152,7 +152,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tcp_input.c,v 1.155 2002/09/11 02:41:21 itojun Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tcp_input.c,v 1.156 2002/10/16 15:15:28 itojun Exp $");
 
 #include "opt_inet.h"
 #include "opt_ipsec.h"
@@ -1051,7 +1051,8 @@
 #endif
                {
                        ++tcpstat.tcps_noport;
-                       if (tcp_log_refused && (tiflags & TH_SYN)) {
+                       if (tcp_log_refused &&
+                           (tiflags & (TH_RST|TH_ACK|TH_SYN)) == TH_SYN) {
                                tcp4_log_refused(ip, th);
                        }
                        TCP_FIELDS_TO_HOST(th);
@@ -1090,7 +1091,8 @@
                }
                if (in6p == NULL) {
                        ++tcpstat.tcps_noport;
-                       if (tcp_log_refused && (tiflags & TH_SYN)) {
+                       if (tcp_log_refused &&
+                           (tiflags & (TH_RST|TH_ACK|TH_SYN)) == TH_SYN) {
                                tcp6_log_refused(ip6, th);
                        }
                        TCP_FIELDS_TO_HOST(th);