pfctl: Import sources from FreeBSD.

1 files changed, 2410 insertions, 0 deletions

diff --git a/freebsd/contrib/pf/pfctl/pfctl.c b/freebsd/contrib/pf/pfctl/pfctl.c
new file mode 100644
index 00000000..2d578395
--- /dev/null
+++ b/freebsd/contrib/pf/pfctl/pfctl.c
@@ -0,0 +1,2410 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/*	$OpenBSD: pfctl.c,v 1.278 2008/08/31 20:18:17 jmc Exp $ */
+
+/*
+ * Copyright (c) 2001 Daniel Hartmeier
+ * Copyright (c) 2002,2003 Henning Brauer
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    - Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    - 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS 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.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+
+#ifdef __FreeBSD__
+#include <sys/endian.h>
+#endif
+
+#include <net/if.h>
+#include <netinet/in.h>
+#include <net/pfvar.h>
+#include <arpa/inet.h>
+#include <altq/altq.h>
+#include <sys/sysctl.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "pfctl_parser.h"
+#include "pfctl.h"
+
+void	 usage(void);
+int	 pfctl_enable(int, int);
+int	 pfctl_disable(int, int);
+int	 pfctl_clear_stats(int, int);
+int	 pfctl_clear_interface_flags(int, int);
+int	 pfctl_clear_rules(int, int, char *);
+int	 pfctl_clear_nat(int, int, char *);
+int	 pfctl_clear_altq(int, int);
+int	 pfctl_clear_src_nodes(int, int);
+int	 pfctl_clear_states(int, const char *, int);
+void	 pfctl_addrprefix(char *, struct pf_addr *);
+int	 pfctl_kill_src_nodes(int, const char *, int);
+int	 pfctl_net_kill_states(int, const char *, int);
+int	 pfctl_label_kill_states(int, const char *, int);
+int	 pfctl_id_kill_states(int, const char *, int);
+void	 pfctl_init_options(struct pfctl *);
+int	 pfctl_load_options(struct pfctl *);
+int	 pfctl_load_limit(struct pfctl *, unsigned int, unsigned int);
+int	 pfctl_load_timeout(struct pfctl *, unsigned int, unsigned int);
+int	 pfctl_load_debug(struct pfctl *, unsigned int);
+int	 pfctl_load_logif(struct pfctl *, char *);
+int	 pfctl_load_hostid(struct pfctl *, unsigned int);
+int	 pfctl_get_pool(int, struct pf_pool *, u_int32_t, u_int32_t, int,
+	    char *);
+void	 pfctl_print_rule_counters(struct pf_rule *, int);
+int	 pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int);
+int	 pfctl_show_nat(int, int, char *);
+int	 pfctl_show_src_nodes(int, int);
+int	 pfctl_show_states(int, const char *, int);
+int	 pfctl_show_status(int, int);
+int	 pfctl_show_timeouts(int, int);
+int	 pfctl_show_limits(int, int);
+void	 pfctl_debug(int, u_int32_t, int);
+int	 pfctl_test_altqsupport(int, int);
+int	 pfctl_show_anchors(int, int, char *);
+int	 pfctl_ruleset_trans(struct pfctl *, char *, struct pf_anchor *);
+int	 pfctl_load_ruleset(struct pfctl *, char *,
+		struct pf_ruleset *, int, int);
+int	 pfctl_load_rule(struct pfctl *, char *, struct pf_rule *, int);
+const char	*pfctl_lookup_option(char *, const char **);
+
+struct pf_anchor_global	 pf_anchors;
+struct pf_anchor	 pf_main_anchor;
+
+const char	*clearopt;
+char		*rulesopt;
+const char	*showopt;
+const char	*debugopt;
+char		*anchoropt;
+const char	*optiopt = NULL;
+char		*pf_device = "/dev/pf";
+char		*ifaceopt;
+char		*tableopt;
+const char	*tblcmdopt;
+int		 src_node_killers;
+char		*src_node_kill[2];
+int		 state_killers;
+char		*state_kill[2];
+int		 loadopt;
+int		 altqsupport;
+
+int		 dev = -1;
+int		 first_title = 1;
+int		 labels = 0;
+
+#define INDENT(d, o)	do {						\
+				if (o) {				\
+					int i;				\
+					for (i=0; i < d; i++)		\
+						printf("  ");		\
+				}					\
+			} while (0);					\
+
+
+static const struct {
+	const char	*name;
+	int		index;
+} pf_limits[] = {
+	{ "states",		PF_LIMIT_STATES },
+	{ "src-nodes",		PF_LIMIT_SRC_NODES },
+	{ "frags",		PF_LIMIT_FRAGS },
+	{ "tables",		PF_LIMIT_TABLES },
+	{ "table-entries",	PF_LIMIT_TABLE_ENTRIES },
+	{ NULL,			0 }
+};
+
+struct pf_hint {
+	const char	*name;
+	int		timeout;
+};
+static const struct pf_hint pf_hint_normal[] = {
+	{ "tcp.first",		2 * 60 },
+	{ "tcp.opening",	30 },
+	{ "tcp.established",	24 * 60 * 60 },
+	{ "tcp.closing",	15 * 60 },
+	{ "tcp.finwait",	45 },
+	{ "tcp.closed",		90 },
+	{ "tcp.tsdiff",		30 },
+	{ NULL,			0 }
+};
+static const struct pf_hint pf_hint_satellite[] = {
+	{ "tcp.first",		3 * 60 },
+	{ "tcp.opening",	30 + 5 },
+	{ "tcp.established",	24 * 60 * 60 },
+	{ "tcp.closing",	15 * 60 + 5 },
+	{ "tcp.finwait",	45 + 5 },
+	{ "tcp.closed",		90 + 5 },
+	{ "tcp.tsdiff",		60 },
+	{ NULL,			0 }
+};
+static const struct pf_hint pf_hint_conservative[] = {
+	{ "tcp.first",		60 * 60 },
+	{ "tcp.opening",	15 * 60 },
+	{ "tcp.established",	5 * 24 * 60 * 60 },
+	{ "tcp.closing",	60 * 60 },
+	{ "tcp.finwait",	10 * 60 },
+	{ "tcp.closed",		3 * 60 },
+	{ "tcp.tsdiff",		60 },
+	{ NULL,			0 }
+};
+static const struct pf_hint pf_hint_aggressive[] = {
+	{ "tcp.first",		30 },
+	{ "tcp.opening",	5 },
+	{ "tcp.established",	5 * 60 * 60 },
+	{ "tcp.closing",	60 },
+	{ "tcp.finwait",	30 },
+	{ "tcp.closed",		30 },
+	{ "tcp.tsdiff",		10 },
+	{ NULL,			0 }
+};
+
+static const struct {
+	const char *name;
+	const struct pf_hint *hint;
+} pf_hints[] = {
+	{ "normal",		pf_hint_normal },
+	{ "satellite",		pf_hint_satellite },
+	{ "high-latency",	pf_hint_satellite },
+	{ "conservative",	pf_hint_conservative },
+	{ "aggressive",		pf_hint_aggressive },
+	{ NULL,			NULL }
+};
+
+static const char *clearopt_list[] = {
+	"nat", "queue", "rules", "Sources",
+	"states", "info", "Tables", "osfp", "all", NULL
+};
+
+static const char *showopt_list[] = {
+	"nat", "queue", "rules", "Anchors", "Sources", "states", "info",
+	"Interfaces", "labels", "timeouts", "memory", "Tables", "osfp",
+	"all", NULL
+};
+
+static const char *tblcmdopt_list[] = {
+	"kill", "flush", "add", "delete", "load", "replace", "show",
+	"test", "zero", "expire", NULL
+};
+
+static const char *debugopt_list[] = {
+	"none", "urgent", "misc", "loud", NULL
+};
+
+static const char *optiopt_list[] = {
+	"none", "basic", "profile", NULL
+};
+
+void
+usage(void)
+{
+	extern char *__progname;
+
+	fprintf(stderr, "usage: %s [-AdeghmNnOPqRrvz] ", __progname);
+	fprintf(stderr, "[-a anchor] [-D macro=value] [-F modifier]\n");
+	fprintf(stderr, "\t[-f file] [-i interface] [-K host | network]\n");
+	fprintf(stderr, "\t[-k host | network | label | id] ");
+	fprintf(stderr, "[-o level] [-p device]\n");
+	fprintf(stderr, "\t[-s modifier] ");
+	fprintf(stderr, "[-t table -T command [address ...]] [-x level]\n");
+	exit(1);
+}
+
+int
+pfctl_enable(int dev, int opts)
+{
+	if (ioctl(dev, DIOCSTART)) {
+		if (errno == EEXIST)
+			errx(1, "pf already enabled");
+#ifdef __FreeBSD__
+		else if (errno == ESRCH)
+			errx(1, "pfil registeration failed");
+#endif
+		else
+			err(1, "DIOCSTART");
+	}
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "pf enabled\n");
+
+	if (altqsupport && ioctl(dev, DIOCSTARTALTQ))
+		if (errno != EEXIST)
+			err(1, "DIOCSTARTALTQ");
+
+	return (0);
+}
+
+int
+pfctl_disable(int dev, int opts)
+{
+	if (ioctl(dev, DIOCSTOP)) {
+		if (errno == ENOENT)
+			errx(1, "pf not enabled");
+		else
+			err(1, "DIOCSTOP");
+	}
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "pf disabled\n");
+
+	if (altqsupport && ioctl(dev, DIOCSTOPALTQ))
+			if (errno != ENOENT)
+				err(1, "DIOCSTOPALTQ");
+
+	return (0);
+}
+
+int
+pfctl_clear_stats(int dev, int opts)
+{
+	if (ioctl(dev, DIOCCLRSTATUS))
+		err(1, "DIOCCLRSTATUS");
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "pf: statistics cleared\n");
+	return (0);
+}
+
+int
+pfctl_clear_interface_flags(int dev, int opts)
+{
+	struct pfioc_iface	pi;
+
+	if ((opts & PF_OPT_NOACTION) == 0) {
+		bzero(&pi, sizeof(pi));
+		pi.pfiio_flags = PFI_IFLAG_SKIP;
+
+		if (ioctl(dev, DIOCCLRIFFLAG, &pi))
+			err(1, "DIOCCLRIFFLAG");
+		if ((opts & PF_OPT_QUIET) == 0)
+			fprintf(stderr, "pf: interface flags reset\n");
+	}
+	return (0);
+}
+
+int
+pfctl_clear_rules(int dev, int opts, char *anchorname)
+{
+	struct pfr_buffer t;
+
+	memset(&t, 0, sizeof(t));
+	t.pfrb_type = PFRB_TRANS;
+	if (pfctl_add_trans(&t, PF_RULESET_SCRUB, anchorname) ||
+	    pfctl_add_trans(&t, PF_RULESET_FILTER, anchorname) ||
+	    pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
+	    pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
+		err(1, "pfctl_clear_rules");
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "rules cleared\n");
+	return (0);
+}
+
+int
+pfctl_clear_nat(int dev, int opts, char *anchorname)
+{
+	struct pfr_buffer t;
+
+	memset(&t, 0, sizeof(t));
+	t.pfrb_type = PFRB_TRANS;
+	if (pfctl_add_trans(&t, PF_RULESET_NAT, anchorname) ||
+	    pfctl_add_trans(&t, PF_RULESET_BINAT, anchorname) ||
+	    pfctl_add_trans(&t, PF_RULESET_RDR, anchorname) ||
+	    pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
+	    pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
+		err(1, "pfctl_clear_nat");
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "nat cleared\n");
+	return (0);
+}
+
+int
+pfctl_clear_altq(int dev, int opts)
+{
+	struct pfr_buffer t;
+
+	if (!altqsupport)
+		return (-1);
+	memset(&t, 0, sizeof(t));
+	t.pfrb_type = PFRB_TRANS;
+	if (pfctl_add_trans(&t, PF_RULESET_ALTQ, "") ||
+	    pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
+	    pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
+		err(1, "pfctl_clear_altq");
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "altq cleared\n");
+	return (0);
+}
+
+int
+pfctl_clear_src_nodes(int dev, int opts)
+{
+	if (ioctl(dev, DIOCCLRSRCNODES))
+		err(1, "DIOCCLRSRCNODES");
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "source tracking entries cleared\n");
+	return (0);
+}
+
+int
+pfctl_clear_states(int dev, const char *iface, int opts)
+{
+	struct pfioc_state_kill psk;
+
+	memset(&psk, 0, sizeof(psk));
+	if (iface != NULL && strlcpy(psk.psk_ifname, iface,
+	    sizeof(psk.psk_ifname)) >= sizeof(psk.psk_ifname))
+		errx(1, "invalid interface: %s", iface);
+
+	if (ioctl(dev, DIOCCLRSTATES, &psk))
+		err(1, "DIOCCLRSTATES");
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "%d states cleared\n", psk.psk_killed);
+	return (0);
+}
+
+void
+pfctl_addrprefix(char *addr, struct pf_addr *mask)
+{
+	char *p;
+	const char *errstr;
+	int prefix, ret_ga, q, r;
+	struct addrinfo hints, *res;
+
+	if ((p = strchr(addr, '/')) == NULL)
+		return;
+
+	*p++ = '\0';
+	prefix = strtonum(p, 0, 128, &errstr);
+	if (errstr)
+		errx(1, "prefix is %s: %s", errstr, p);
+
+	bzero(&hints, sizeof(hints));
+	/* prefix only with numeric addresses */
+	hints.ai_flags |= AI_NUMERICHOST;
+
+	if ((ret_ga = getaddrinfo(addr, NULL, &hints, &res))) {
+		errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
+		/* NOTREACHED */
+	}
+
+	if (res->ai_family == AF_INET && prefix > 32)
+		errx(1, "prefix too long for AF_INET");
+	else if (res->ai_family == AF_INET6 && prefix > 128)
+		errx(1, "prefix too long for AF_INET6");
+
+	q = prefix >> 3;
+	r = prefix & 7;
+	switch (res->ai_family) {
+	case AF_INET:
+		bzero(&mask->v4, sizeof(mask->v4));
+		mask->v4.s_addr = htonl((u_int32_t)
+		    (0xffffffffffULL << (32 - prefix)));
+		break;
+	case AF_INET6:
+		bzero(&mask->v6, sizeof(mask->v6));
+		if (q > 0)
+			memset((void *)&mask->v6, 0xff, q);
+		if (r > 0)
+			*((u_char *)&mask->v6 + q) =
+			    (0xff00 >> r) & 0xff;
+		break;
+	}
+	freeaddrinfo(res);
+}
+
+int
+pfctl_kill_src_nodes(int dev, const char *iface, int opts)
+{
+	struct pfioc_src_node_kill psnk;
+	struct addrinfo *res[2], *resp[2];
+	struct sockaddr last_src, last_dst;
+	int killed, sources, dests;
+	int ret_ga;
+
+	killed = sources = dests = 0;
+
+	memset(&psnk, 0, sizeof(psnk));
+	memset(&psnk.psnk_src.addr.v.a.mask, 0xff,
+	    sizeof(psnk.psnk_src.addr.v.a.mask));
+	memset(&last_src, 0xff, sizeof(last_src));
+	memset(&last_dst, 0xff, sizeof(last_dst));
+
+	pfctl_addrprefix(src_node_kill[0], &psnk.psnk_src.addr.v.a.mask);
+
+	if ((ret_ga = getaddrinfo(src_node_kill[0], NULL, NULL, &res[0]))) {
+		errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
+		/* NOTREACHED */
+	}
+	for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) {
+		if (resp[0]->ai_addr == NULL)
+			continue;
+		/* We get lots of duplicates.  Catch the easy ones */
+		if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0)
+			continue;
+		last_src = *(struct sockaddr *)resp[0]->ai_addr;
+
+		psnk.psnk_af = resp[0]->ai_family;
+		sources++;
+
+		if (psnk.psnk_af == AF_INET)
+			psnk.psnk_src.addr.v.a.addr.v4 =
+			    ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr;
+		else if (psnk.psnk_af == AF_INET6)
+			psnk.psnk_src.addr.v.a.addr.v6 =
+			    ((struct sockaddr_in6 *)resp[0]->ai_addr)->
+			    sin6_addr;
+		else
+			errx(1, "Unknown address family %d", psnk.psnk_af);
+
+		if (src_node_killers > 1) {
+			dests = 0;
+			memset(&psnk.psnk_dst.addr.v.a.mask, 0xff,
+			    sizeof(psnk.psnk_dst.addr.v.a.mask));
+			memset(&last_dst, 0xff, sizeof(last_dst));
+			pfctl_addrprefix(src_node_kill[1],
+			    &psnk.psnk_dst.addr.v.a.mask);
+			if ((ret_ga = getaddrinfo(src_node_kill[1], NULL, NULL,
+			    &res[1]))) {
+				errx(1, "getaddrinfo: %s",
+				    gai_strerror(ret_ga));
+				/* NOTREACHED */
+			}
+			for (resp[1] = res[1]; resp[1];
+			    resp[1] = resp[1]->ai_next) {
+				if (resp[1]->ai_addr == NULL)
+					continue;
+				if (psnk.psnk_af != resp[1]->ai_family)
+					continue;
+
+				if (memcmp(&last_dst, resp[1]->ai_addr,
+				    sizeof(last_dst)) == 0)
+					continue;
+				last_dst = *(struct sockaddr *)resp[1]->ai_addr;
+
+				dests++;
+
+				if (psnk.psnk_af == AF_INET)
+					psnk.psnk_dst.addr.v.a.addr.v4 =
+					    ((struct sockaddr_in *)resp[1]->
+					    ai_addr)->sin_addr;
+				else if (psnk.psnk_af == AF_INET6)
+					psnk.psnk_dst.addr.v.a.addr.v6 =
+					    ((struct sockaddr_in6 *)resp[1]->
+					    ai_addr)->sin6_addr;
+				else
+					errx(1, "Unknown address family %d",
+					    psnk.psnk_af);
+
+				if (ioctl(dev, DIOCKILLSRCNODES, &psnk))
+					err(1, "DIOCKILLSRCNODES");
+				killed += psnk.psnk_killed;
+			}
+			freeaddrinfo(res[1]);
+		} else {
+			if (ioctl(dev, DIOCKILLSRCNODES, &psnk))
+				err(1, "DIOCKILLSRCNODES");
+			killed += psnk.psnk_killed;
+		}
+	}
+
+	freeaddrinfo(res[0]);
+
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "killed %d src nodes from %d sources and %d "
+		    "destinations\n", killed, sources, dests);
+	return (0);
+}
+
+int
+pfctl_net_kill_states(int dev, const char *iface, int opts)
+{
+	struct pfioc_state_kill psk;
+	struct addrinfo *res[2], *resp[2];
+	struct sockaddr last_src, last_dst;
+	int killed, sources, dests;
+	int ret_ga;
+
+	killed = sources = dests = 0;
+
+	memset(&psk, 0, sizeof(psk));
+	memset(&psk.psk_src.addr.v.a.mask, 0xff,
+	    sizeof(psk.psk_src.addr.v.a.mask));
+	memset(&last_src, 0xff, sizeof(last_src));
+	memset(&last_dst, 0xff, sizeof(last_dst));
+	if (iface != NULL && strlcpy(psk.psk_ifname, iface,
+	    sizeof(psk.psk_ifname)) >= sizeof(psk.psk_ifname))
+		errx(1, "invalid interface: %s", iface);
+
+	pfctl_addrprefix(state_kill[0], &psk.psk_src.addr.v.a.mask);
+
+	if ((ret_ga = getaddrinfo(state_kill[0], NULL, NULL, &res[0]))) {
+		errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
+		/* NOTREACHED */
+	}
+	for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) {
+		if (resp[0]->ai_addr == NULL)
+			continue;
+		/* We get lots of duplicates.  Catch the easy ones */
+		if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0)
+			continue;
+		last_src = *(struct sockaddr *)resp[0]->ai_addr;
+
+		psk.psk_af = resp[0]->ai_family;
+		sources++;
+
+		if (psk.psk_af == AF_INET)
+			psk.psk_src.addr.v.a.addr.v4 =
+			    ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr;
+		else if (psk.psk_af == AF_INET6)
+			psk.psk_src.addr.v.a.addr.v6 =
+			    ((struct sockaddr_in6 *)resp[0]->ai_addr)->
+			    sin6_addr;
+		else
+			errx(1, "Unknown address family %d", psk.psk_af);
+
+		if (state_killers > 1) {
+			dests = 0;
+			memset(&psk.psk_dst.addr.v.a.mask, 0xff,
+			    sizeof(psk.psk_dst.addr.v.a.mask));
+			memset(&last_dst, 0xff, sizeof(last_dst));
+			pfctl_addrprefix(state_kill[1],
+			    &psk.psk_dst.addr.v.a.mask);
+			if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL,
+			    &res[1]))) {
+				errx(1, "getaddrinfo: %s",
+				    gai_strerror(ret_ga));
+				/* NOTREACHED */
+			}
+			for (resp[1] = res[1]; resp[1];
+			    resp[1] = resp[1]->ai_next) {
+				if (resp[1]->ai_addr == NULL)
+					continue;
+				if (psk.psk_af != resp[1]->ai_family)
+					continue;
+
+				if (memcmp(&last_dst, resp[1]->ai_addr,
+				    sizeof(last_dst)) == 0)
+					continue;
+				last_dst = *(struct sockaddr *)resp[1]->ai_addr;
+
+				dests++;
+
+				if (psk.psk_af == AF_INET)
+					psk.psk_dst.addr.v.a.addr.v4 =
+					    ((struct sockaddr_in *)resp[1]->
+					    ai_addr)->sin_addr;
+				else if (psk.psk_af == AF_INET6)
+					psk.psk_dst.addr.v.a.addr.v6 =
+					    ((struct sockaddr_in6 *)resp[1]->
+					    ai_addr)->sin6_addr;
+				else
+					errx(1, "Unknown address family %d",
+					    psk.psk_af);
+
+				if (ioctl(dev, DIOCKILLSTATES, &psk))
+					err(1, "DIOCKILLSTATES");
+				killed += psk.psk_killed;
+			}
+			freeaddrinfo(res[1]);
+		} else {
+			if (ioctl(dev, DIOCKILLSTATES, &psk))
+				err(1, "DIOCKILLSTATES");
+			killed += psk.psk_killed;
+		}
+	}
+
+	freeaddrinfo(res[0]);
+
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "killed %d states from %d sources and %d "
+		    "destinations\n", killed, sources, dests);
+	return (0);
+}
+
+int
+pfctl_label_kill_states(int dev, const char *iface, int opts)
+{
+	struct pfioc_state_kill psk;
+
+	if (state_killers != 2 || (strlen(state_kill[1]) == 0)) {
+		warnx("no label specified");
+		usage();
+	}
+	memset(&psk, 0, sizeof(psk));
+	if (iface != NULL && strlcpy(psk.psk_ifname, iface,
+	    sizeof(psk.psk_ifname)) >= sizeof(psk.psk_ifname))
+		errx(1, "invalid interface: %s", iface);
+
+	if (strlcpy(psk.psk_label, state_kill[1], sizeof(psk.psk_label)) >=
+	    sizeof(psk.psk_label))
+		errx(1, "label too long: %s", state_kill[1]);
+
+	if (ioctl(dev, DIOCKILLSTATES, &psk))
+		err(1, "DIOCKILLSTATES");
+
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "killed %d states\n", psk.psk_killed);
+
+	return (0);
+}
+
+int
+pfctl_id_kill_states(int dev, const char *iface, int opts)
+{
+	struct pfioc_state_kill psk;
+	
+	if (state_killers != 2 || (strlen(state_kill[1]) == 0)) {
+		warnx("no id specified");
+		usage();
+	}
+
+	memset(&psk, 0, sizeof(psk));
+	if ((sscanf(state_kill[1], "%jx/%x",
+	    &psk.psk_pfcmp.id, &psk.psk_pfcmp.creatorid)) == 2)
+		HTONL(psk.psk_pfcmp.creatorid);
+	else if ((sscanf(state_kill[1], "%jx", &psk.psk_pfcmp.id)) == 1) {
+		psk.psk_pfcmp.creatorid = 0;
+	} else {
+		warnx("wrong id format specified");
+		usage();
+	}
+	if (psk.psk_pfcmp.id == 0) {
+		warnx("cannot kill id 0");
+		usage();
+	}
+
+	psk.psk_pfcmp.id = htobe64(psk.psk_pfcmp.id);
+	if (ioctl(dev, DIOCKILLSTATES, &psk))
+		err(1, "DIOCKILLSTATES");
+
+	if ((opts & PF_OPT_QUIET) == 0)
+		fprintf(stderr, "killed %d states\n", psk.psk_killed);
+
+	return (0);
+}
+
+int
+pfctl_get_pool(int dev, struct pf_pool *pool, u_int32_t nr,
+    u_int32_t ticket, int r_action, char *anchorname)
+{
+	struct pfioc_pooladdr pp;
+	struct pf_pooladdr *pa;
+	u_int32_t pnr, mpnr;
+
+	memset(&pp, 0, sizeof(pp));
+	memcpy(pp.anchor, anchorname, sizeof(pp.anchor));
+	pp.r_action = r_action;
+	pp.r_num = nr;
+	pp.ticket = ticket;
+	if (ioctl(dev, DIOCGETADDRS, &pp)) {
+		warn("DIOCGETADDRS");
+		return (-1);
+	}
+	mpnr = pp.nr;
+	TAILQ_INIT(&pool->list);
+	for (pnr = 0; pnr < mpnr; ++pnr) {
+		pp.nr = pnr;
+		if (ioctl(dev, DIOCGETADDR, &pp)) {
+			warn("DIOCGETADDR");
+			return (-1);
+		}
+		pa = calloc(1, sizeof(struct pf_pooladdr));
+		if (pa == NULL)
+			err(1, "calloc");
+		bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr));
+		TAILQ_INSERT_TAIL(&pool->list, pa, entries);
+	}
+
+	return (0);
+}
+
+void
+pfctl_move_pool(struct pf_pool *src, struct pf_pool *dst)
+{
+	struct pf_pooladdr *pa;
+
+	while ((pa = TAILQ_FIRST(&src->list)) != NULL) {
+		TAILQ_REMOVE(&src->list, pa, entries);
+		TAILQ_INSERT_TAIL(&dst->list, pa, entries);
+	}
+}
+
+void
+pfctl_clear_pool(struct pf_pool *pool)
+{
+	struct pf_pooladdr *pa;
+
+	while ((pa = TAILQ_FIRST(&pool->list)) != NULL) {
+		TAILQ_REMOVE(&pool->list, pa, entries);
+		free(pa);
+	}
+}
+
+void
+pfctl_print_rule_counters(struct pf_rule *rule, int opts)
+{
+	if (opts & PF_OPT_DEBUG) {
+		const char *t[PF_SKIP_COUNT] = { "i", "d", "f",
+		    "p", "sa", "sp", "da", "dp" };
+		int i;
+
+		printf("  [ Skip steps: ");
+		for (i = 0; i < PF_SKIP_COUNT; ++i) {
+			if (rule->skip[i].nr == rule->nr + 1)
+				continue;
+			printf("%s=", t[i]);
+			if (rule->skip[i].nr == -1)
+				printf("end ");
+			else
+				printf("%u ", rule->skip[i].nr);
+		}
+		printf("]\n");
+
+		printf("  [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n",
+		    rule->qname, rule->qid, rule->pqname, rule->pqid);
+	}
+	if (opts & PF_OPT_VERBOSE) {
+		printf("  [ Evaluations: %-8llu  Packets: %-8llu  "
+			    "Bytes: %-10llu  States: %-6u]\n",
+			    (unsigned long long)rule->evaluations,
+			    (unsigned long long)(rule->packets[0] +
+			    rule->packets[1]),
+			    (unsigned long long)(rule->bytes[0] +
+			    rule->bytes[1]), rule->states_cur);
+		if (!(opts & PF_OPT_DEBUG))
+			printf("  [ Inserted: uid %u pid %u "
+			    "State Creations: %-6u]\n",
+			    (unsigned)rule->cuid, (unsigned)rule->cpid,
+			    rule->states_tot);
+	}
+}
+
+void
+pfctl_print_title(char *title)
+{
+	if (!first_title)
+		printf("\n");
+	first_title = 0;
+	printf("%s\n", title);
+}
+
+int
+pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format,
+    char *anchorname, int depth)
+{
+	struct pfioc_rule pr;
+	u_int32_t nr, mnr, header = 0;
+	int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG);
+	int numeric = opts & PF_OPT_NUMERIC;
+	int len = strlen(path);
+	int brace;
+	char *p;
+
+	if (path[0])
+		snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname);
+	else
+		snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname);
+
+	memset(&pr, 0, sizeof(pr));
+	memcpy(pr.anchor, path, sizeof(pr.anchor));
+	if (opts & PF_OPT_SHOWALL) {
+		pr.rule.action = PF_PASS;
+		if (ioctl(dev, DIOCGETRULES, &pr)) {
+			warn("DIOCGETRULES");
+			goto error;
+		}
+		header++;
+	}
+	pr.rule.action = PF_SCRUB;
+	if (ioctl(dev, DIOCGETRULES, &pr)) {
+		warn("DIOCGETRULES");
+		goto error;
+	}
+	if (opts & PF_OPT_SHOWALL) {
+		if (format == PFCTL_SHOW_RULES && (pr.nr > 0 || header))
+			pfctl_print_title("FILTER RULES:");
+		else if (format == PFCTL_SHOW_LABELS && labels)
+			pfctl_print_title("LABEL COUNTERS:");
+	}
+	mnr = pr.nr;
+	if (opts & PF_OPT_CLRRULECTRS)
+		pr.action = PF_GET_CLR_CNTR;
+
+	for (nr = 0; nr < mnr; ++nr) {
+		pr.nr = nr;
+		if (ioctl(dev, DIOCGETRULE, &pr)) {
+			warn("DIOCGETRULE");
+			goto error;
+		}
+
+		if (pfctl_get_pool(dev, &pr.rule.rpool,
+		    nr, pr.ticket, PF_SCRUB, path) != 0)
+			goto error;
+
+		switch (format) {
+		case PFCTL_SHOW_LABELS:
+			break;
+		case PFCTL_SHOW_RULES:
+			if (pr.rule.label[0] && (opts & PF_OPT_SHOWALL))
+				labels = 1;
+			print_rule(&pr.rule, pr.anchor_call, rule_numbers, numeric);
+			printf("\n");
+			pfctl_print_rule_counters(&pr.rule, opts);
+			break;
+		case PFCTL_SHOW_NOTHING:
+			break;
+		}
+		pfctl_clear_pool(&pr.rule.rpool);
+	}
+	pr.rule.action = PF_PASS;
+	if (ioctl(dev, DIOCGETRULES, &pr)) {
+		warn("DIOCGETRULES");
+		goto error;
+	}
+	mnr = pr.nr;
+	for (nr = 0; nr < mnr; ++nr) {
+		pr.nr = nr;
+		if (ioctl(dev, DIOCGETRULE, &pr)) {
+			warn("DIOCGETRULE");
+			goto error;
+		}
+
+		if (pfctl_get_pool(dev, &pr.rule.rpool,
+		    nr, pr.ticket, PF_PASS, path) != 0)
+			goto error;
+
+		switch (format) {
+		case PFCTL_SHOW_LABELS:
+			if (pr.rule.label[0]) {
+				printf("%s %llu %llu %llu %llu"
+				    " %llu %llu %llu %llu\n",
+				    pr.rule.label,
+				    (unsigned long long)pr.rule.evaluations,
+				    (unsigned long long)(pr.rule.packets[0] +
+				    pr.rule.packets[1]),
+				    (unsigned long long)(pr.rule.bytes[0] +
+				    pr.rule.bytes[1]),
+				    (unsigned long long)pr.rule.packets[0],
+				    (unsigned long long)pr.rule.bytes[0],
+				    (unsigned long long)pr.rule.packets[1],
+				    (unsigned long long)pr.rule.bytes[1],
+				    (unsigned long long)pr.rule.states_tot);
+			}
+			break;
+		case PFCTL_SHOW_RULES:
+			brace = 0;
+			if (pr.rule.label[0] && (opts & PF_OPT_SHOWALL))
+				labels = 1;
+			INDENT(depth, !(opts & PF_OPT_VERBOSE));
+			if (pr.anchor_call[0] &&
+			   ((((p = strrchr(pr.anchor_call, '_')) != NULL) &&
+			   ((void *)p == (void *)pr.anchor_call ||
+			   *(--p) == '/')) || (opts & PF_OPT_RECURSE))) {
+				brace++;
+				if ((p = strrchr(pr.anchor_call, '/')) !=
+				    NULL)
+					p++;
+				else
+					p = &pr.anchor_call[0];
+			} else
+				p = &pr.anchor_call[0];
+		
+			print_rule(&pr.rule, p, rule_numbers, numeric);
+			if (brace)
+				printf(" {\n");
+			else
+				printf("\n");
+			pfctl_print_rule_counters(&pr.rule, opts);
+			if (brace) { 
+				pfctl_show_rules(dev, path, opts, format,
+				    p, depth + 1);
+				INDENT(depth, !(opts & PF_OPT_VERBOSE));
+				printf("}\n");
+			}
+			break;
+		case PFCTL_SHOW_NOTHING:
+			break;
+		}
+		pfctl_clear_pool(&pr.rule.rpool);
+	}
+	path[len] = '\0';
+	return (0);
+
+ error:
+	path[len] = '\0';
+	return (-1);
+}
+
+int
+pfctl_show_nat(int dev, int opts, char *anchorname)
+{
+	struct pfioc_rule pr;
+	u_int32_t mnr, nr;
+	static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT };
+	int i, dotitle = opts & PF_OPT_SHOWALL;
+
+	memset(&pr, 0, sizeof(pr));
+	memcpy(pr.anchor, anchorname, sizeof(pr.anchor));
+	for (i = 0; i < 3; i++) {
+		pr.rule.action = nattype[i];
+		if (ioctl(dev, DIOCGETRULES, &pr)) {
+			warn("DIOCGETRULES");
+			return (-1);
+		}
+		mnr = pr.nr;
+		for (nr = 0; nr < mnr; ++nr) {
+			pr.nr = nr;
+			if (ioctl(dev, DIOCGETRULE, &pr)) {
+				warn("DIOCGETRULE");
+				return (-1);
+			}
+			if (pfctl_get_pool(dev, &pr.rule.rpool, nr,
+			    pr.ticket, nattype[i], anchorname) != 0)
+				return (-1);
+			if (dotitle) {
+				pfctl_print_title("TRANSLATION RULES:");
+				dotitle = 0;
+			}
+			print_rule(&pr.rule, pr.anchor_call,
+			    opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC);
+			printf("\n");
+			pfctl_print_rule_counters(&pr.rule, opts);
+			pfctl_clear_pool(&pr.rule.rpool);
+		}
+	}
+	return (0);
+}
+
+int
+pfctl_show_src_nodes(int dev, int opts)
+{
+	struct pfioc_src_nodes psn;
+	struct pf_src_node *p;
+	char *inbuf = NULL, *newinbuf = NULL;
+	unsigned int len = 0;
+	int i;
+
+	memset(&psn, 0, sizeof(psn));
+	for (;;) {
+		psn.psn_len = len;
+		if (len) {
+			newinbuf = realloc(inbuf, len);
+			if (newinbuf == NULL)
+				err(1, "realloc");
+			psn.psn_buf = inbuf = newinbuf;
+		}
+		if (ioctl(dev, DIOCGETSRCNODES, &psn) < 0) {
+			warn("DIOCGETSRCNODES");
+			free(inbuf);
+			return (-1);
+		}
+		if (psn.psn_len + sizeof(struct pfioc_src_nodes) < len)
+			break;
+		if (len == 0 && psn.psn_len == 0)
+			goto done;
+		if (len == 0 && psn.psn_len != 0)
+			len = psn.psn_len;
+		if (psn.psn_len == 0)
+			goto done;	/* no src_nodes */
+		len *= 2;
+	}
+	p = psn.psn_src_nodes;
+	if (psn.psn_len > 0 && (opts & PF_OPT_SHOWALL))
+		pfctl_print_title("SOURCE TRACKING NODES:");
+	for (i = 0; i < psn.psn_len; i += sizeof(*p)) {
+		print_src_node(p, opts);
+		p++;
+	}
+done:
+	free(inbuf);
+	return (0);
+}
+
+int
+pfctl_show_states(int dev, const char *iface, int opts)
+{
+	struct pfioc_states ps;
+	struct pfsync_state *p;
+	char *inbuf = NULL, *newinbuf = NULL;
+	unsigned int len = 0;
+	int i, dotitle = (opts & PF_OPT_SHOWALL);
+
+	memset(&ps, 0, sizeof(ps));
+	for (;;) {
+		ps.ps_len = len;
+		if (len) {
+			newinbuf = realloc(inbuf, len);
+			if (newinbuf == NULL)
+				err(1, "realloc");
+			ps.ps_buf = inbuf = newinbuf;
+		}
+		if (ioctl(dev, DIOCGETSTATES, &ps) < 0) {
+			warn("DIOCGETSTATES");
+			free(inbuf);
+			return (-1);
+		}
+		if (ps.ps_len + sizeof(struct pfioc_states) < len)
+			break;
+		if (len == 0 && ps.ps_len == 0)
+			goto done;
+		if (len == 0 && ps.ps_len != 0)
+			len = ps.ps_len;
+		if (ps.ps_len == 0)
+			goto done;	/* no states */
+		len *= 2;
+	}
+	p = ps.ps_states;
+	for (i = 0; i < ps.ps_len; i += sizeof(*p), p++) {
+		if (iface != NULL && strcmp(p->ifname, iface))
+			continue;
+		if (dotitle) {
+			pfctl_print_title("STATES:");
+			dotitle = 0;
+		}
+		print_state(p, opts);
+	}
+done:
+	free(inbuf);
+	return (0);
+}
+
+int
+pfctl_show_status(int dev, int opts)
+{
+	struct pf_status status;
+
+	if (ioctl(dev, DIOCGETSTATUS, &status)) {
+		warn("DIOCGETSTATUS");
+		return (-1);
+	}
+	if (opts & PF_OPT_SHOWALL)
+		pfctl_print_title("INFO:");
+	print_status(&status, opts);
+	return (0);
+}
+
+int
+pfctl_show_timeouts(int dev, int opts)
+{
+	struct pfioc_tm pt;
+	int i;
+
+	if (opts & PF_OPT_SHOWALL)
+		pfctl_print_title("TIMEOUTS:");
+	memset(&pt, 0, sizeof(pt));
+	for (i = 0; pf_timeouts[i].name; i++) {
+		pt.timeout = pf_timeouts[i].timeout;
+		if (ioctl(dev, DIOCGETTIMEOUT, &pt))
+			err(1, "DIOCGETTIMEOUT");
+		printf("%-20s %10d", pf_timeouts[i].name, pt.seconds);
+		if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START &&
+		    pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END)
+			printf(" states");
+		else
+			printf("s");
+		printf("\n");
+	}
+	return (0);
+
+}
+
+int
+pfctl_show_limits(int dev, int opts)
+{
+	struct pfioc_limit pl;
+	int i;
+
+	if (opts & PF_OPT_SHOWALL)
+		pfctl_print_title("LIMITS:");
+	memset(&pl, 0, sizeof(pl));
+	for (i = 0; pf_limits[i].name; i++) {
+		pl.index = pf_limits[i].index;
+		if (ioctl(dev, DIOCGETLIMIT, &pl))
+			err(1, "DIOCGETLIMIT");
+		printf("%-13s ", pf_limits[i].name);
+		if (pl.limit == UINT_MAX)
+			printf("unlimited\n");
+		else
+			printf("hard limit %8u\n", pl.limit);
+	}
+	return (0);
+}
+
+/* callbacks for rule/nat/rdr/addr */
+int
+pfctl_add_pool(struct pfctl *pf, struct pf_pool *p, sa_family_t af)
+{
+	struct pf_pooladdr *pa;
+
+	if ((pf->opts & PF_OPT_NOACTION) == 0) {
+		if (ioctl(pf->dev, DIOCBEGINADDRS, &pf->paddr))
+			err(1, "DIOCBEGINADDRS");
+	}
+
+	pf->paddr.af = af;
+	TAILQ_FOREACH(pa, &p->list, entries) {
+		memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr));
+		if ((pf->opts & PF_OPT_NOACTION) == 0) {
+			if (ioctl(pf->dev, DIOCADDADDR, &pf->paddr))
+				err(1, "DIOCADDADDR");
+		}
+	}
+	return (0);
+}
+
+int
+pfctl_add_rule(struct pfctl *pf, struct pf_rule *r, const char *anchor_call)
+{
+	u_int8_t		rs_num;
+	struct pf_rule		*rule;
+	struct pf_ruleset	*rs;
+	char 			*p;
+
+	rs_num = pf_get_ruleset_number(r->action);
+	if (rs_num == PF_RULESET_MAX)
+		errx(1, "Invalid rule type %d", r->action);
+
+	rs = &pf->anchor->ruleset;
+
+	if (anchor_call[0] && r->anchor == NULL) {
+		/* 
+		 * Don't make non-brace anchors part of the main anchor pool.
+		 */
+		if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL)
+			err(1, "pfctl_add_rule: calloc");
+		
+		pf_init_ruleset(&r->anchor->ruleset);
+		r->anchor->ruleset.anchor = r->anchor;
+		if (strlcpy(r->anchor->path, anchor_call,
+		    sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path))
+			errx(1, "pfctl_add_rule: strlcpy");
+		if ((p = strrchr(anchor_call, '/')) != NULL) {
+			if (!strlen(p))
+				err(1, "pfctl_add_rule: bad anchor name %s",
+				    anchor_call);
+		} else
+			p = (char *)anchor_call;
+		if (strlcpy(r->anchor->name, p,
+		    sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name))
+			errx(1, "pfctl_add_rule: strlcpy");
+	}
+
+	if ((rule = calloc(1, sizeof(*rule))) == NULL)
+		err(1, "calloc");
+	bcopy(r, rule, sizeof(*rule));
+	TAILQ_INIT(&rule->rpool.list);
+	pfctl_move_pool(&r->rpool, &rule->rpool);
+
+	TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries);
+	return (0);
+}
+
+int
+pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pf_anchor *a)
+{
+	int osize = pf->trans->pfrb_size;
+
+	if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) {
+		if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) ||
+		    pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) ||
+		    pfctl_add_trans(pf->trans, PF_RULESET_RDR, path))
+			return (1);
+	}
+	if (a == pf->astack[0] && ((altqsupport &&
+	    (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) {
+		if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path))
+			return (2);
+	}
+	if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) {
+		if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) ||
+		    pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path))
+			return (3);
+	}
+	if (pf->loadopt & PFCTL_FLAG_TABLE)
+		if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path))
+			return (4);
+	if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize))
+		return (5);
+
+	return (0);
+}
+
+int
+pfctl_load_ruleset(struct pfctl *pf, char *path, struct pf_ruleset *rs,
+    int rs_num, int depth)
+{
+	struct pf_rule *r;
+	int		error, len = strlen(path);
+	int		brace = 0;
+
+	pf->anchor = rs->anchor;
+
+	if (path[0])
+		snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name);
+	else
+		snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name);
+
+	if (depth) {
+		if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) {
+			brace++;
+			if (pf->opts & PF_OPT_VERBOSE)
+				printf(" {\n");
+			if ((pf->opts & PF_OPT_NOACTION) == 0 &&
+			    (error = pfctl_ruleset_trans(pf,
+			    path, rs->anchor))) {
+				printf("pfctl_load_rulesets: "
+				    "pfctl_ruleset_trans %d\n", error);
+				goto error;
+			}
+		} else if (pf->opts & PF_OPT_VERBOSE)
+			printf("\n");
+
+	}
+
+	if (pf->optimize && rs_num == PF_RULESET_FILTER)
+		pfctl_optimize_ruleset(pf, rs);
+
+	while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) {
+		TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries);
+		if ((error = pfctl_load_rule(pf, path, r, depth)))
+			goto error;
+		if (r->anchor) {
+			if ((error = pfctl_load_ruleset(pf, path,
+			    &r->anchor->ruleset, rs_num, depth + 1)))
+				goto error;
+		} else if (pf->opts & PF_OPT_VERBOSE)
+			printf("\n");
+		free(r);
+	}
+	if (brace && pf->opts & PF_OPT_VERBOSE) {
+		INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE));
+		printf("}\n");
+	}
+	path[len] = '\0';
+	return (0);
+
+ error:
+	path[len] = '\0';
+	return (error);
+
+}
+
+int
+pfctl_load_rule(struct pfctl *pf, char *path, struct pf_rule *r, int depth)
+{
+	u_int8_t		rs_num = pf_get_ruleset_number(r->action);
+	char			*name;
+	struct pfioc_rule	pr;
+	int			len = strlen(path);
+
+	bzero(&pr, sizeof(pr));
+	/* set up anchor before adding to path for anchor_call */
+	if ((pf->opts & PF_OPT_NOACTION) == 0)
+		pr.ticket = pfctl_get_ticket(pf->trans, rs_num, path);
+	if (strlcpy(pr.anchor, path, sizeof(pr.anchor)) >= sizeof(pr.anchor))
+		errx(1, "pfctl_load_rule: strlcpy");
+
+	if (r->anchor) {
+		if (r->anchor->match) {
+			if (path[0])
+				snprintf(&path[len], MAXPATHLEN - len,
+				    "/%s", r->anchor->name);
+			else
+				snprintf(&path[len], MAXPATHLEN - len,
+				    "%s", r->anchor->name);
+			name = path;
+		} else
+			name = r->anchor->path;
+	} else
+		name = "";
+
+	if ((pf->opts & PF_OPT_NOACTION) == 0) {
+		if (pfctl_add_pool(pf, &r->rpool, r->af))
+			return (1);
+		pr.pool_ticket = pf->paddr.ticket;
+		memcpy(&pr.rule, r, sizeof(pr.rule));
+		if (r->anchor && strlcpy(pr.anchor_call, name,
+		    sizeof(pr.anchor_call)) >= sizeof(pr.anchor_call))
+			errx(1, "pfctl_load_rule: strlcpy");
+		if (ioctl(pf->dev, DIOCADDRULE, &pr))
+			err(1, "DIOCADDRULE");
+	}
+
+	if (pf->opts & PF_OPT_VERBOSE) {
+		INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2));
+		print_rule(r, r->anchor ? r->anchor->name : "",
+		    pf->opts & PF_OPT_VERBOSE2,
+		    pf->opts & PF_OPT_NUMERIC);
+	}
+	path[len] = '\0';
+	pfctl_clear_pool(&r->rpool);
+	return (0);
+}
+
+int
+pfctl_add_altq(struct pfctl *pf, struct pf_altq *a)
+{
+	if (altqsupport &&
+	    (loadopt & PFCTL_FLAG_ALTQ) != 0) {
+		memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq));
+		if ((pf->opts & PF_OPT_NOACTION) == 0) {
+			if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) {
+				if (errno == ENXIO)
+					errx(1, "qtype not configured");
+				else if (errno == ENODEV)
+					errx(1, "%s: driver does not support "
+					    "altq", a->ifname);
+				else
+					err(1, "DIOCADDALTQ");
+			}
+		}
+		pfaltq_store(&pf->paltq->altq);
+	}
+	return (0);
+}
+
+int
+pfctl_rules(int dev, char *filename, int opts, int optimize,
+    char *anchorname, struct pfr_buffer *trans)
+{
+#define ERR(x) do { warn(x); goto _error; } while(0)
+#define ERRX(x) do { warnx(x); goto _error; } while(0)
+
+	struct pfr_buffer	*t, buf;
+	struct pfioc_altq	 pa;
+	struct pfctl		 pf;
+	struct pf_ruleset	*rs;
+	struct pfr_table	 trs;
+	char			*path;
+	int			 osize;
+
+	RB_INIT(&pf_anchors);
+	memset(&pf_main_anchor, 0, sizeof(pf_main_anchor));
+	pf_init_ruleset(&pf_main_anchor.ruleset);
+	pf_main_anchor.ruleset.anchor = &pf_main_anchor;
+	if (trans == NULL) {
+		bzero(&buf, sizeof(buf));
+		buf.pfrb_type = PFRB_TRANS;
+		t = &buf;
+		osize = 0;
+	} else {
+		t = trans;
+		osize = t->pfrb_size;
+	}
+
+	memset(&pa, 0, sizeof(pa));
+	memset(&pf, 0, sizeof(pf));
+	memset(&trs, 0, sizeof(trs));
+	if ((path = calloc(1, MAXPATHLEN)) == NULL)
+		ERRX("pfctl_rules: calloc");
+	if (strlcpy(trs.pfrt_anchor, anchorname,
+	    sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor))
+		ERRX("pfctl_rules: strlcpy");
+	pf.dev = dev;
+	pf.opts = opts;
+	pf.optimize = optimize;
+	pf.loadopt = loadopt;
+
+	/* non-brace anchor, create without resolving the path */
+	if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL)
+		ERRX("pfctl_rules: calloc");
+	rs = &pf.anchor->ruleset;
+	pf_init_ruleset(rs);
+	rs->anchor = pf.anchor;
+	if (strlcpy(pf.anchor->path, anchorname,
+	    sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path))
+		errx(1, "pfctl_add_rule: strlcpy");
+	if (strlcpy(pf.anchor->name, anchorname,
+	    sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name))
+		errx(1, "pfctl_add_rule: strlcpy");
+
+
+	pf.astack[0] = pf.anchor;
+	pf.asd = 0;
+	if (anchorname[0])
+		pf.loadopt &= ~PFCTL_FLAG_ALTQ;
+	pf.paltq = &pa;
+	pf.trans = t;
+	pfctl_init_options(&pf);
+
+	if ((opts & PF_OPT_NOACTION) == 0) {
+		/*
+		 * XXX For the time being we need to open transactions for
+		 * the main ruleset before parsing, because tables are still
+		 * loaded at parse time.
+		 */
+		if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor))
+			ERRX("pfctl_rules");
+		if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ))
+			pa.ticket =
+			    pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname);
+		if (pf.loadopt & PFCTL_FLAG_TABLE)
+			pf.astack[0]->ruleset.tticket =
+			    pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname);
+	}
+
+	if (parse_config(filename, &pf) < 0) {
+		if ((opts & PF_OPT_NOACTION) == 0)
+			ERRX("Syntax error in config file: "
+			    "pf rules not loaded");
+		else
+			goto _error;
+	}
+
+	if ((pf.loadopt & PFCTL_FLAG_FILTER &&
+	    (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) ||
+	    (pf.loadopt & PFCTL_FLAG_NAT &&
+	    (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) ||
+	    pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) ||
+	    pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) ||
+	    (pf.loadopt & PFCTL_FLAG_FILTER &&
+	    pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) {
+		if ((opts & PF_OPT_NOACTION) == 0)
+			ERRX("Unable to load rules into kernel");
+		else
+			goto _error;
+	}
+
+	if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0))
+		if (check_commit_altq(dev, opts) != 0)
+			ERRX("errors in altq config");
+
+	/* process "load anchor" directives */
+	if (!anchorname[0])
+		if (pfctl_load_anchors(dev, &pf, t) == -1)
+			ERRX("load anchors");
+
+	if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) {
+		if (!anchorname[0])
+			if (pfctl_load_options(&pf))
+				goto _error;
+		if (pfctl_trans(dev, t, DIOCXCOMMIT, osize))
+			ERR("DIOCXCOMMIT");
+	}
+	return (0);
+
+_error:
+	if (trans == NULL) {	/* main ruleset */
+		if ((opts & PF_OPT_NOACTION) == 0)
+			if (pfctl_trans(dev, t, DIOCXROLLBACK, osize))
+				err(1, "DIOCXROLLBACK");
+		exit(1);
+	} else {		/* sub ruleset */
+		return (-1);
+	}
+
+#undef ERR
+#undef ERRX
+}
+
+FILE *
+pfctl_fopen(const char *name, const char *mode)
+{
+	struct stat	 st;
+	FILE		*fp;
+
+	fp = fopen(name, mode);
+	if (fp == NULL)
+		return (NULL);
+	if (fstat(fileno(fp), &st)) {
+		fclose(fp);
+		return (NULL);
+	}
+	if (S_ISDIR(st.st_mode)) {
+		fclose(fp);
+		errno = EISDIR;
+		return (NULL);
+	}
+	return (fp);
+}
+
+void
+pfctl_init_options(struct pfctl *pf)
+{
+	int64_t mem;
+	int mib[2];
+	size_t size;
+
+	pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL;
+	pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL;
+	pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL;
+	pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL;
+	pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL;
+	pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL;
+	pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL;
+	pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL;
+	pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL;
+	pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL;
+	pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL;
+	pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL;
+	pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL;
+	pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL;
+	pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL;
+	pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL;
+	pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL;
+	pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL;
+	pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START;
+	pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END;
+
+	pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT;
+	pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT;
+	pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT;
+	pf->limit[PF_LIMIT_TABLES] = PFR_KTABLE_HIWAT;
+	pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT;
+
+	mib[0] = CTL_HW;
+#ifdef __FreeBSD__
+	mib[1] = HW_PHYSMEM;
+#else
+	mib[1] = HW_PHYSMEM64;
+#endif
+	size = sizeof(mem);
+	if (sysctl(mib, 2, &mem, &size, NULL, 0) == -1)
+		err(1, "sysctl");
+	if (mem <= 100*1024*1024)
+		pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT_SMALL; 
+
+	pf->debug = PF_DEBUG_URGENT;
+}
+
+int
+pfctl_load_options(struct pfctl *pf)
+{
+	int i, error = 0;
+
+	if ((loadopt & PFCTL_FLAG_OPTION) == 0)
+		return (0);
+
+	/* load limits */
+	for (i = 0; i < PF_LIMIT_MAX; i++) {
+		if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i])
+			continue;
+		if (pfctl_load_limit(pf, i, pf->limit[i]))
+			error = 1;
+	}
+
+	/*
+	 * If we've set the limit, but haven't explicitly set adaptive
+	 * timeouts, do it now with a start of 60% and end of 120%.
+	 */
+	if (pf->limit_set[PF_LIMIT_STATES] &&
+	    !pf->timeout_set[PFTM_ADAPTIVE_START] &&
+	    !pf->timeout_set[PFTM_ADAPTIVE_END]) {
+		pf->timeout[PFTM_ADAPTIVE_START] =
+			(pf->limit[PF_LIMIT_STATES] / 10) * 6;
+		pf->timeout_set[PFTM_ADAPTIVE_START] = 1;
+		pf->timeout[PFTM_ADAPTIVE_END] =
+			(pf->limit[PF_LIMIT_STATES] / 10) * 12;
+		pf->timeout_set[PFTM_ADAPTIVE_END] = 1;
+	}
+
+	/* load timeouts */
+	for (i = 0; i < PFTM_MAX; i++) {
+		if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i])
+			continue;
+		if (pfctl_load_timeout(pf, i, pf->timeout[i]))
+			error = 1;
+	}
+
+	/* load debug */
+	if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set)
+		if (pfctl_load_debug(pf, pf->debug))
+			error = 1;
+
+	/* load logif */
+	if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set)
+		if (pfctl_load_logif(pf, pf->ifname))
+			error = 1;
+
+	/* load hostid */
+	if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set)
+		if (pfctl_load_hostid(pf, pf->hostid))
+			error = 1;
+
+	return (error);
+}
+
+int
+pfctl_set_limit(struct pfctl *pf, const char *opt, unsigned int limit)
+{
+	int i;
+
+
+	for (i = 0; pf_limits[i].name; i++) {
+		if (strcasecmp(opt, pf_limits[i].name) == 0) {
+			pf->limit[pf_limits[i].index] = limit;
+			pf->limit_set[pf_limits[i].index] = 1;
+			break;
+		}
+	}
+	if (pf_limits[i].name == NULL) {
+		warnx("Bad pool name.");
+		return (1);
+	}
+
+	if (pf->opts & PF_OPT_VERBOSE)
+		printf("set limit %s %d\n", opt, limit);
+
+	return (0);
+}
+
+int
+pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit)
+{
+	struct pfioc_limit pl;
+
+	memset(&pl, 0, sizeof(pl));
+	pl.index = index;
+	pl.limit = limit;
+	if (ioctl(pf->dev, DIOCSETLIMIT, &pl)) {
+		if (errno == EBUSY)
+			warnx("Current pool size exceeds requested hard limit");
+		else
+			warnx("DIOCSETLIMIT");
+		return (1);
+	}
+	return (0);
+}
+
+int
+pfctl_set_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet)
+{
+	int i;
+
+	if ((loadopt & PFCTL_FLAG_OPTION) == 0)
+		return (0);
+
+	for (i = 0; pf_timeouts[i].name; i++) {
+		if (strcasecmp(opt, pf_timeouts[i].name) == 0) {
+			pf->timeout[pf_timeouts[i].timeout] = seconds;
+			pf->timeout_set[pf_timeouts[i].timeout] = 1;
+			break;
+		}
+	}
+
+	if (pf_timeouts[i].name == NULL) {
+		warnx("Bad timeout name.");
+		return (1);
+	}
+
+
+	if (pf->opts & PF_OPT_VERBOSE && ! quiet)
+		printf("set timeout %s %d\n", opt, seconds);
+
+	return (0);
+}
+
+int
+pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds)
+{
+	struct pfioc_tm pt;
+
+	memset(&pt, 0, sizeof(pt));
+	pt.timeout = timeout;
+	pt.seconds = seconds;
+	if (ioctl(pf->dev, DIOCSETTIMEOUT, &pt)) {
+		warnx("DIOCSETTIMEOUT");
+		return (1);
+	}
+	return (0);
+}
+
+int
+pfctl_set_optimization(struct pfctl *pf, const char *opt)
+{
+	const struct pf_hint *hint;
+	int i, r;
+
+	if ((loadopt & PFCTL_FLAG_OPTION) == 0)
+		return (0);
+
+	for (i = 0; pf_hints[i].name; i++)
+		if (strcasecmp(opt, pf_hints[i].name) == 0)
+			break;
+
+	hint = pf_hints[i].hint;
+	if (hint == NULL) {
+		warnx("invalid state timeouts optimization");
+		return (1);
+	}
+
+	for (i = 0; hint[i].name; i++)
+		if ((r = pfctl_set_timeout(pf, hint[i].name,
+		    hint[i].timeout, 1)))
+			return (r);
+
+	if (pf->opts & PF_OPT_VERBOSE)
+		printf("set optimization %s\n", opt);
+
+	return (0);
+}
+
+int
+pfctl_set_logif(struct pfctl *pf, char *ifname)
+{
+
+	if ((loadopt & PFCTL_FLAG_OPTION) == 0)
+		return (0);
+
+	if (!strcmp(ifname, "none")) {
+		free(pf->ifname);
+		pf->ifname = NULL;
+	} else {
+		pf->ifname = strdup(ifname);
+		if (!pf->ifname)
+			errx(1, "pfctl_set_logif: strdup");
+	}
+	pf->ifname_set = 1;
+
+	if (pf->opts & PF_OPT_VERBOSE)
+		printf("set loginterface %s\n", ifname);
+
+	return (0);
+}
+
+int
+pfctl_load_logif(struct pfctl *pf, char *ifname)
+{
+	struct pfioc_if pi;
+
+	memset(&pi, 0, sizeof(pi));
+	if (ifname && strlcpy(pi.ifname, ifname,
+	    sizeof(pi.ifname)) >= sizeof(pi.ifname)) {
+		warnx("pfctl_load_logif: strlcpy");
+		return (1);
+	}
+	if (ioctl(pf->dev, DIOCSETSTATUSIF, &pi)) {
+		warnx("DIOCSETSTATUSIF");
+		return (1);
+	}
+	return (0);
+}
+
+int
+pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid)
+{
+	if ((loadopt & PFCTL_FLAG_OPTION) == 0)
+		return (0);
+
+	HTONL(hostid);
+
+	pf->hostid = hostid;
+	pf->hostid_set = 1;
+
+	if (pf->opts & PF_OPT_VERBOSE)
+		printf("set hostid 0x%08x\n", ntohl(hostid));
+
+	return (0);
+}
+
+int
+pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid)
+{
+	if (ioctl(dev, DIOCSETHOSTID, &hostid)) {
+		warnx("DIOCSETHOSTID");
+		return (1);
+	}
+	return (0);
+}
+
+int
+pfctl_set_debug(struct pfctl *pf, char *d)
+{
+	u_int32_t	level;
+
+	if ((loadopt & PFCTL_FLAG_OPTION) == 0)
+		return (0);
+
+	if (!strcmp(d, "none"))
+		pf->debug = PF_DEBUG_NONE;
+	else if (!strcmp(d, "urgent"))
+		pf->debug = PF_DEBUG_URGENT;
+	else if (!strcmp(d, "misc"))
+		pf->debug = PF_DEBUG_MISC;
+	else if (!strcmp(d, "loud"))
+		pf->debug = PF_DEBUG_NOISY;
+	else {
+		warnx("unknown debug level \"%s\"", d);
+		return (-1);
+	}
+
+	pf->debug_set = 1;
+
+	if ((pf->opts & PF_OPT_NOACTION) == 0)
+		if (ioctl(dev, DIOCSETDEBUG, &level))
+			err(1, "DIOCSETDEBUG");
+
+	if (pf->opts & PF_OPT_VERBOSE)
+		printf("set debug %s\n", d);
+
+	return (0);
+}
+
+int
+pfctl_load_debug(struct pfctl *pf, unsigned int level)
+{
+	if (ioctl(pf->dev, DIOCSETDEBUG, &level)) {
+		warnx("DIOCSETDEBUG");
+		return (1);
+	}
+	return (0);
+}
+
+int
+pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how)
+{
+	struct pfioc_iface	pi;
+
+	if ((loadopt & PFCTL_FLAG_OPTION) == 0)
+		return (0);
+
+	bzero(&pi, sizeof(pi));
+
+	pi.pfiio_flags = flags;
+
+	if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >=
+	    sizeof(pi.pfiio_name))
+		errx(1, "pfctl_set_interface_flags: strlcpy");
+
+	if ((pf->opts & PF_OPT_NOACTION) == 0) {
+		if (how == 0) {
+			if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi))
+				err(1, "DIOCCLRIFFLAG");
+		} else {
+			if (ioctl(pf->dev, DIOCSETIFFLAG, &pi))
+				err(1, "DIOCSETIFFLAG");
+		}
+	}
+	return (0);
+}
+
+void
+pfctl_debug(int dev, u_int32_t level, int opts)
+{
+	if (ioctl(dev, DIOCSETDEBUG, &level))
+		err(1, "DIOCSETDEBUG");
+	if ((opts & PF_OPT_QUIET) == 0) {
+		fprintf(stderr, "debug level set to '");
+		switch (level) {
+		case PF_DEBUG_NONE:
+			fprintf(stderr, "none");
+			break;
+		case PF_DEBUG_URGENT:
+			fprintf(stderr, "urgent");
+			break;
+		case PF_DEBUG_MISC:
+			fprintf(stderr, "misc");
+			break;
+		case PF_DEBUG_NOISY:
+			fprintf(stderr, "loud");
+			break;
+		default:
+			fprintf(stderr, "<invalid>");
+			break;
+		}
+		fprintf(stderr, "'\n");
+	}
+}
+
+int
+pfctl_test_altqsupport(int dev, int opts)
+{
+	struct pfioc_altq pa;
+
+	if (ioctl(dev, DIOCGETALTQS, &pa)) {
+		if (errno == ENODEV) {
+			if (!(opts & PF_OPT_QUIET))
+				fprintf(stderr, "No ALTQ support in kernel\n"
+				    "ALTQ related functions disabled\n");
+			return (0);
+		} else
+			err(1, "DIOCGETALTQS");
+	}
+	return (1);
+}
+
+int
+pfctl_show_anchors(int dev, int opts, char *anchorname)
+{
+	struct pfioc_ruleset	 pr;
+	u_int32_t		 mnr, nr;
+
+	memset(&pr, 0, sizeof(pr));
+	memcpy(pr.path, anchorname, sizeof(pr.path));
+	if (ioctl(dev, DIOCGETRULESETS, &pr)) {
+		if (errno == EINVAL)
+			fprintf(stderr, "Anchor '%s' not found.\n",
+			    anchorname);
+		else
+			err(1, "DIOCGETRULESETS");
+		return (-1);
+	}
+	mnr = pr.nr;
+	for (nr = 0; nr < mnr; ++nr) {
+		char sub[MAXPATHLEN];
+
+		pr.nr = nr;
+		if (ioctl(dev, DIOCGETRULESET, &pr))
+			err(1, "DIOCGETRULESET");
+		if (!strcmp(pr.name, PF_RESERVED_ANCHOR))
+			continue;
+		sub[0] = 0;
+		if (pr.path[0]) {
+			strlcat(sub, pr.path, sizeof(sub));
+			strlcat(sub, "/", sizeof(sub));
+		}
+		strlcat(sub, pr.name, sizeof(sub));
+		if (sub[0] != '_' || (opts & PF_OPT_VERBOSE))
+			printf("  %s\n", sub);
+		if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub))
+			return (-1);
+	}
+	return (0);
+}
+
+const char *
+pfctl_lookup_option(char *cmd, const char **list)
+{
+	if (cmd != NULL && *cmd)
+		for (; *list; list++)
+			if (!strncmp(cmd, *list, strlen(cmd)))
+				return (*list);
+	return (NULL);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int	 error = 0;
+	int	 ch;
+	int	 mode = O_RDONLY;
+	int	 opts = 0;
+	int	 optimize = PF_OPTIMIZE_BASIC;
+	char	 anchorname[MAXPATHLEN];
+	char	*path;
+
+	if (argc < 2)
+		usage();
+
+	while ((ch = getopt(argc, argv,
+	    "a:AdD:eqf:F:ghi:k:K:mnNOo:Pp:rRs:t:T:vx:z")) != -1) {
+		switch (ch) {
+		case 'a':
+			anchoropt = optarg;
+			break;
+		case 'd':
+			opts |= PF_OPT_DISABLE;
+			mode = O_RDWR;
+			break;
+		case 'D':
+			if (pfctl_cmdline_symset(optarg) < 0)
+				warnx("could not parse macro definition %s",
+				    optarg);
+			break;
+		case 'e':
+			opts |= PF_OPT_ENABLE;
+			mode = O_RDWR;
+			break;
+		case 'q':
+			opts |= PF_OPT_QUIET;
+			break;
+		case 'F':
+			clearopt = pfctl_lookup_option(optarg, clearopt_list);
+			if (clearopt == NULL) {
+				warnx("Unknown flush modifier '%s'", optarg);
+				usage();
+			}
+			mode = O_RDWR;
+			break;
+		case 'i':
+			ifaceopt = optarg;
+			break;
+		case 'k':
+			if (state_killers >= 2) {
+				warnx("can only specify -k twice");
+				usage();
+				/* NOTREACHED */
+			}
+			state_kill[state_killers++] = optarg;
+			mode = O_RDWR;
+			break;
+		case 'K':
+			if (src_node_killers >= 2) {
+				warnx("can only specify -K twice");
+				usage();
+				/* NOTREACHED */
+			}
+			src_node_kill[src_node_killers++] = optarg;
+			mode = O_RDWR;
+			break;
+		case 'm':
+			opts |= PF_OPT_MERGE;
+			break;
+		case 'n':
+			opts |= PF_OPT_NOACTION;
+			break;
+		case 'N':
+			loadopt |= PFCTL_FLAG_NAT;
+			break;
+		case 'r':
+			opts |= PF_OPT_USEDNS;
+			break;
+		case 'f':
+			rulesopt = optarg;
+			mode = O_RDWR;
+			break;
+		case 'g':
+			opts |= PF_OPT_DEBUG;
+			break;
+		case 'A':
+			loadopt |= PFCTL_FLAG_ALTQ;
+			break;
+		case 'R':
+			loadopt |= PFCTL_FLAG_FILTER;
+			break;
+		case 'o':
+			optiopt = pfctl_lookup_option(optarg, optiopt_list);
+			if (optiopt == NULL) {
+				warnx("Unknown optimization '%s'", optarg);
+				usage();
+			}
+			opts |= PF_OPT_OPTIMIZE;
+			break;
+		case 'O':
+			loadopt |= PFCTL_FLAG_OPTION;
+			break;
+		case 'p':
+			pf_device = optarg;
+			break;
+		case 'P':
+			opts |= PF_OPT_NUMERIC;
+			break;
+		case 's':
+			showopt = pfctl_lookup_option(optarg, showopt_list);
+			if (showopt == NULL) {
+				warnx("Unknown show modifier '%s'", optarg);
+				usage();
+			}
+			break;
+		case 't':
+			tableopt = optarg;
+			break;
+		case 'T':
+			tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list);
+			if (tblcmdopt == NULL) {
+				warnx("Unknown table command '%s'", optarg);
+				usage();
+			}
+			break;
+		case 'v':
+			if (opts & PF_OPT_VERBOSE)
+				opts |= PF_OPT_VERBOSE2;
+			opts |= PF_OPT_VERBOSE;
+			break;
+		case 'x':
+			debugopt = pfctl_lookup_option(optarg, debugopt_list);
+			if (debugopt == NULL) {
+				warnx("Unknown debug level '%s'", optarg);
+				usage();
+			}
+			mode = O_RDWR;
+			break;
+		case 'z':
+			opts |= PF_OPT_CLRRULECTRS;
+			mode = O_RDWR;
+			break;
+		case 'h':
+			/* FALLTHROUGH */
+		default:
+			usage();
+			/* NOTREACHED */
+		}
+	}
+
+	if (tblcmdopt != NULL) {
+		argc -= optind;
+		argv += optind;
+		ch = *tblcmdopt;
+		if (ch == 'l') {
+			loadopt |= PFCTL_FLAG_TABLE;
+			tblcmdopt = NULL;
+		} else
+			mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY;
+	} else if (argc != optind) {
+		warnx("unknown command line argument: %s ...", argv[optind]);
+		usage();
+		/* NOTREACHED */
+	}
+	if (loadopt == 0)
+		loadopt = ~0;
+
+	if ((path = calloc(1, MAXPATHLEN)) == NULL)
+		errx(1, "pfctl: calloc");
+	memset(anchorname, 0, sizeof(anchorname));
+	if (anchoropt != NULL) {
+		int len = strlen(anchoropt);
+
+		if (anchoropt[len - 1] == '*') {
+			if (len >= 2 && anchoropt[len - 2] == '/')
+				anchoropt[len - 2] = '\0';
+			else
+				anchoropt[len - 1] = '\0';
+			opts |= PF_OPT_RECURSE;
+		}
+		if (strlcpy(anchorname, anchoropt,
+		    sizeof(anchorname)) >= sizeof(anchorname))
+			errx(1, "anchor name '%s' too long",
+			    anchoropt);
+		loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE;
+	}
+
+	if ((opts & PF_OPT_NOACTION) == 0) {
+		dev = open(pf_device, mode);
+		if (dev == -1)
+			err(1, "%s", pf_device);
+		altqsupport = pfctl_test_altqsupport(dev, opts);
+	} else {
+		dev = open(pf_device, O_RDONLY);
+		if (dev >= 0)
+			opts |= PF_OPT_DUMMYACTION;
+		/* turn off options */
+		opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE);
+		clearopt = showopt = debugopt = NULL;
+#if defined(__FreeBSD__) && !defined(ENABLE_ALTQ)
+		altqsupport = 0;
+#else
+		altqsupport = 1;
+#endif
+	}
+
+	if (opts & PF_OPT_DISABLE)
+		if (pfctl_disable(dev, opts))
+			error = 1;
+
+	if (showopt != NULL) {
+		switch (*showopt) {
+		case 'A':
+			pfctl_show_anchors(dev, opts, anchorname);
+			break;
+		case 'r':
+			pfctl_load_fingerprints(dev, opts);
+			pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES,
+			    anchorname, 0);
+			break;
+		case 'l':
+			pfctl_load_fingerprints(dev, opts);
+			pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS,
+			    anchorname, 0);
+			break;
+		case 'n':
+			pfctl_load_fingerprints(dev, opts);
+			pfctl_show_nat(dev, opts, anchorname);
+			break;
+		case 'q':
+			pfctl_show_altq(dev, ifaceopt, opts,
+			    opts & PF_OPT_VERBOSE2);
+			break;
+		case 's':
+			pfctl_show_states(dev, ifaceopt, opts);
+			break;
+		case 'S':
+			pfctl_show_src_nodes(dev, opts);
+			break;
+		case 'i':
+			pfctl_show_status(dev, opts);
+			break;
+		case 't':
+			pfctl_show_timeouts(dev, opts);
+			break;
+		case 'm':
+			pfctl_show_limits(dev, opts);
+			break;
+		case 'a':
+			opts |= PF_OPT_SHOWALL;
+			pfctl_load_fingerprints(dev, opts);
+
+			pfctl_show_nat(dev, opts, anchorname);
+			pfctl_show_rules(dev, path, opts, 0, anchorname, 0);
+			pfctl_show_altq(dev, ifaceopt, opts, 0);
+			pfctl_show_states(dev, ifaceopt, opts);
+			pfctl_show_src_nodes(dev, opts);
+			pfctl_show_status(dev, opts);
+			pfctl_show_rules(dev, path, opts, 1, anchorname, 0);
+			pfctl_show_timeouts(dev, opts);
+			pfctl_show_limits(dev, opts);
+			pfctl_show_tables(anchorname, opts);
+			pfctl_show_fingerprints(opts);
+			break;
+		case 'T':
+			pfctl_show_tables(anchorname, opts);
+			break;
+		case 'o':
+			pfctl_load_fingerprints(dev, opts);
+			pfctl_show_fingerprints(opts);
+			break;
+		case 'I':
+			pfctl_show_ifaces(ifaceopt, opts);
+			break;
+		}
+	}
+
+	if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL)
+		pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING,
+		    anchorname, 0);
+
+	if (clearopt != NULL) {
+		if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL)
+			errx(1, "anchor names beginning with '_' cannot "
+			    "be modified from the command line");
+
+		switch (*clearopt) {
+		case 'r':
+			pfctl_clear_rules(dev, opts, anchorname);
+			break;
+		case 'n':
+			pfctl_clear_nat(dev, opts, anchorname);
+			break;
+		case 'q':
+			pfctl_clear_altq(dev, opts);
+			break;
+		case 's':
+			pfctl_clear_states(dev, ifaceopt, opts);
+			break;
+		case 'S':
+			pfctl_clear_src_nodes(dev, opts);
+			break;
+		case 'i':
+			pfctl_clear_stats(dev, opts);
+			break;
+		case 'a':
+			pfctl_clear_rules(dev, opts, anchorname);
+			pfctl_clear_nat(dev, opts, anchorname);
+			pfctl_clear_tables(anchorname, opts);
+			if (!*anchorname) {
+				pfctl_clear_altq(dev, opts);
+				pfctl_clear_states(dev, ifaceopt, opts);
+				pfctl_clear_src_nodes(dev, opts);
+				pfctl_clear_stats(dev, opts);
+				pfctl_clear_fingerprints(dev, opts);
+				pfctl_clear_interface_flags(dev, opts);
+			}
+			break;
+		case 'o':
+			pfctl_clear_fingerprints(dev, opts);
+			break;
+		case 'T':
+			pfctl_clear_tables(anchorname, opts);
+			break;
+		}
+	}
+	if (state_killers) {
+		if (!strcmp(state_kill[0], "label"))
+			pfctl_label_kill_states(dev, ifaceopt, opts);
+		else if (!strcmp(state_kill[0], "id"))
+			pfctl_id_kill_states(dev, ifaceopt, opts);
+		else
+			pfctl_net_kill_states(dev, ifaceopt, opts);
+	}
+
+	if (src_node_killers)
+		pfctl_kill_src_nodes(dev, ifaceopt, opts);
+
+	if (tblcmdopt != NULL) {
+		error = pfctl_command_tables(argc, argv, tableopt,
+		    tblcmdopt, rulesopt, anchorname, opts);
+		rulesopt = NULL;
+	}
+	if (optiopt != NULL) {
+		switch (*optiopt) {
+		case 'n':
+			optimize = 0;
+			break;
+		case 'b':
+			optimize |= PF_OPTIMIZE_BASIC;
+			break;
+		case 'o':
+		case 'p':
+			optimize |= PF_OPTIMIZE_PROFILE;
+			break;
+		}
+	}
+
+	if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) &&
+	    !anchorname[0])
+		if (pfctl_clear_interface_flags(dev, opts | PF_OPT_QUIET))
+			error = 1;
+
+	if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) &&
+	    !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION))
+		if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE))
+			error = 1;
+
+	if (rulesopt != NULL) {
+		if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL)
+			errx(1, "anchor names beginning with '_' cannot "
+			    "be modified from the command line");
+		if (pfctl_rules(dev, rulesopt, opts, optimize,
+		    anchorname, NULL))
+			error = 1;
+		else if (!(opts & PF_OPT_NOACTION) &&
+		    (loadopt & PFCTL_FLAG_TABLE))
+			warn_namespace_collision(NULL);
+	}
+
+	if (opts & PF_OPT_ENABLE)
+		if (pfctl_enable(dev, opts))
+			error = 1;
+
+	if (debugopt != NULL) {
+		switch (*debugopt) {
+		case 'n':
+			pfctl_debug(dev, PF_DEBUG_NONE, opts);
+			break;
+		case 'u':
+			pfctl_debug(dev, PF_DEBUG_URGENT, opts);
+			break;
+		case 'm':
+			pfctl_debug(dev, PF_DEBUG_MISC, opts);
+			break;
+		case 'l':
+			pfctl_debug(dev, PF_DEBUG_NOISY, opts);
+			break;
+		}
+	}
+
+	exit(error);
+}