import ipfilter 4.1.8 into the vendor branch

1 files changed, 114 insertions, 0 deletions

diff --git a/contrib/ipfilter/mlh_rule.c b/contrib/ipfilter/mlh_rule.c
new file mode 100644
index 0000000..e71c7be
--- /dev/null
+++ b/contrib/ipfilter/mlh_rule.c
@@ -0,0 +1,114 @@
+/*	$NetBSD$	*/
+
+/*
+ * Copyright (C) 1993-1998 by Darren Reed.
+ *
+ * See the IPFILTER.LICENCE file for details on licencing.
+ *
+ */
+/* #pragma ident   "@(#)solaris.c	1.12 6/5/96 (C) 1995 Darren Reed"*/
+
+/*typedef unsigned int spustate_t;*/
+struct uio;
+
+#include <sys/types.h>
+#include <sys/cmn_err.h>
+#include <sys/kernel.h>
+#include <sys/systm.h>
+#include <sys/malloc.h>
+#include <sys/conf.h>
+#include <sys/callout.h>
+#include <sys/moddefs.h>
+#include <sys/io.h>
+#include <sys/wsio.h>
+#include <sys/param.h>
+#include <sys/errno.h>
+#include <sys/byteorder.h>
+#include <sys/socket.h>
+#include <sys/stropts.h>
+#include <net/if.h>
+#include <net/af.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/if_ether.h>
+#include <netinet/ip.h>
+#include <netinet/ip_var.h>
+#include <netinet/tcp.h>
+#include <netinet/udp.h>
+#include <netinet/tcpip.h>
+#include <netinet/ip_icmp.h>
+
+#include "ip_compat.h"
+#include "ip_fil.h"
+#include "ip_rules.h"
+
+
+/*
+ * Driver Header
+ */
+static drv_info_t ipf_drv_info = {
+	"IP Filter Rules",				/* type */
+	"pseudo",					/* class */
+	DRV_PSEUDO|DRV_SAVE_CONF|DRV_MP_SAFE,		/* flags */
+	-1,						/* b_major */
+	-1,						/* c_major */
+	NULL,						/* cdio */
+	NULL,						/* gio_private */
+	NULL,						/* cdio_private */
+};
+
+
+extern	struct	mod_operations	gio_mod_ops;
+static	drv_info_t	ipf_drv_info;
+extern	struct	mod_conf_data	ipf_conf_data;
+
+static struct mod_type_data	ipf_drv_link = {
+	IPL_VERSION, (void *)NULL
+};
+
+static	struct	modlink	ipf_mod_link[] = {
+	{ &gio_mod_ops, (void *)&ipf_drv_link },
+	{ NULL, (void *)NULL }
+};
+
+struct	modwrapper	ipf_wrapper = {
+	MODREV,
+	ipf_load,
+	ipf_unload,
+	(void (*)())NULL,
+	(void *)&ipf_conf_data,
+	ipf_mod_link
+};
+
+
+static int ipf_load(void *arg)
+{
+	int i;
+
+	i = ipfrule_add();
+	if (!i)
+		fr_refcnt--;
+#ifdef	IPFDEBUG
+	printf("IP Filter Rules: ipfrule_add() = %d\n", i);
+#endif
+	if (!i)
+		cmn_err(CE_CONT, "IP Filter Rules: Loaded\n");
+	return i;
+}
+
+
+static int ipf_unload(void *arg)
+{
+	int i;
+
+	i = ipfrule_remove();
+	if (!i)
+		fr_refcnt--;
+#ifdef	IPFDEBUG
+	printf("IP Filter Rules: ipfrule_remove() = %d\n", i);
+#endif
+	if (!i)
+		cmn_err(CE_CONT, "IP Filter Rules: Unloaded\n");
+	return i;
+}