Vendor import of OpenBSD's packet filter (pf) as of OpenBSD 3.4

Approved by: bms(mentor), core (in general)

1 files changed, 75 insertions, 0 deletions

diff --git a/sys/contrib/pf/net/if_pflog.h b/sys/contrib/pf/net/if_pflog.h
new file mode 100644
index 0000000..9333f48
--- /dev/null
+++ b/sys/contrib/pf/net/if_pflog.h
@@ -0,0 +1,75 @@
+/* $OpenBSD: if_pflog.h,v 1.9 2003/07/15 20:27:27 dhartmei Exp $ */
+/*
+ * Copyright 2001 Niels Provos <provos@citi.umich.edu>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _NET_IF_PFLOG_H_
+#define _NET_IF_PFLOG_H_
+
+struct pflog_softc {
+	struct ifnet	sc_if;  /* the interface */
+};
+
+/* XXX keep in sync with pfvar.h */
+#ifndef PF_RULESET_NAME_SIZE
+#define PF_RULESET_NAME_SIZE	 16
+#endif
+
+struct pfloghdr {
+	u_int8_t	length;
+	sa_family_t	af;
+	u_int8_t	action;
+	u_int8_t	reason;
+	char		ifname[IFNAMSIZ];
+	char		ruleset[PF_RULESET_NAME_SIZE];
+	u_int32_t	rulenr;
+	u_int32_t	subrulenr;
+	u_int8_t	dir;
+	u_int8_t	pad[3];
+};
+
+#define PFLOG_HDRLEN		sizeof(struct pfloghdr)
+/* minus pad, also used as a signature */
+#define PFLOG_REAL_HDRLEN	offsetof(struct pfloghdr, pad);
+
+/* XXX remove later when old format logs are no longer needed */
+struct old_pfloghdr {
+	u_int32_t af;
+	char ifname[IFNAMSIZ];
+	short rnr;
+	u_short reason;
+	u_short action;
+	u_short dir;
+};
+#define OLD_PFLOG_HDRLEN	sizeof(struct old_pfloghdr)
+
+#ifdef _KERNEL
+
+#if NPFLOG > 0
+#define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g) pflog_packet(i,a,b,c,d,e,f,g)
+#else
+#define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g)	((void)0)
+#endif /* NPFLOG > 0 */
+#endif /* _KERNEL */
+#endif /* _NET_IF_PFLOG_H_ */