1 files changed, 25 insertions, 0 deletions
diff --git a/contrib/ipfilter/lib/flags.c b/contrib/ipfilter/lib/flags.c
new file mode 100644
index 0000000..df6645d
--- /dev/null
+++ b/contrib/ipfilter/lib/flags.c
@@ -0,0 +1,25 @@
+/*	$NetBSD$	*/
+
+/*
+ * Copyright (C) 1993-2001 by Darren Reed.
+ *
+ * See the IPFILTER.LICENCE file for details on licencing.
+ *
+ * Id: flags.c,v 1.4 2002/11/02 07:16:36 darrenr Exp
+ */
+
+#include "ipf.h"
+
+/*
+ * ECN is a new addition to TCP - RFC 2481
+ */
+#ifndef TH_ECN
+# define	TH_ECN  0x40
+#endif
+#ifndef TH_CWR
+# define	TH_CWR  0x80
+#endif
+
+char	flagset[] = "FSRPAUEC";
+u_char	flags[] = { TH_FIN, TH_SYN, TH_RST, TH_PUSH, TH_ACK, TH_URG,
+		    TH_ECN, TH_CWR };