oops, incomplete backout

1 files changed, 4838 insertions, 1365 deletions

diff --git a/sbin/pfctl/parse.y b/sbin/pfctl/parse.y
index 9e0da745497..545f8185633 100644
--- a/sbin/pfctl/parse.y
+++ b/sbin/pfctl/parse.y
@@ -1,41 +1,34 @@
-/*	$OpenBSD: parse.y,v 1.464 2004/12/07 09:36:16 deraadt Exp $ */
+/*	$OpenBSD: parse.y,v 1.465 2004/12/07 09:38:04 deraadt Exp $	*/
 
 /*
- * Copyright (c) 2001 Daniel Hartmeier
- * Copyright (c) 2002,2003 Henning Brauer
- * All rights reserved.
+ * Copyright (c) 2001 Markus Friedl.  All rights reserved.
+ * Copyright (c) 2001 Daniel Hartmeier.  All rights reserved.
+ * Copyright (c) 2001 Theo de Raadt.  All rights reserved.
+ * 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:
+ * 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.
  *
- *    - 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.
- *
+ * 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.
  */
-
+%{
 #include <sys/types.h>
-#include <sys/ioctl.h>
 #include <sys/socket.h>
-#include <sys/param.h>
-#include <sys/proc.h>
 #include <net/if.h>
 #include <netinet/in.h>
 #include <netinet/in_systm.h>
@@ -44,1552 +37,5032 @@
 #include <netinet/icmp6.h>
 #include <net/pfvar.h>
 #include <arpa/inet.h>
+#include <altq/altq.h>
+#include <altq/altq_cbq.h>
+#include <altq/altq_priq.h>
+#include <altq/altq_hfsc.h>
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
 #include <netdb.h>
 #include <stdarg.h>
 #include <errno.h>
+#include <string.h>
+#include <ctype.h>
+#include <math.h>
 #include <err.h>
-#include <ifaddrs.h>
+#include <limits.h>
+#include <pwd.h>
+#include <grp.h>
+#include <md5.h>
 
 #include "pfctl_parser.h"
 #include "pfctl.h"
 
-void		 print_op (u_int8_t, const char *, const char *);
-void		 print_port (u_int8_t, u_int16_t, u_int16_t, const char *);
-void		 print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned);
-void		 print_flags (u_int8_t);
-void		 print_fromto(struct pf_rule_addr *, pf_osfp_t,
-		    struct pf_rule_addr *, u_int8_t, u_int8_t, int);
-int		 ifa_skip_if(const char *filter, struct node_host *p);
-
-struct node_host	*host_if(const char *, int);
-struct node_host	*host_v4(const char *, int);
-struct node_host	*host_v6(const char *, int);
-struct node_host	*host_dns(const char *, int, int);
-
-const char *tcpflags = "FSRPAUEW";
-
-static const struct icmptypeent icmp_type[] = {
-	{ "echoreq",	ICMP_ECHO },
-	{ "echorep",	ICMP_ECHOREPLY },
-	{ "unreach",	ICMP_UNREACH },
-	{ "squench",	ICMP_SOURCEQUENCH },
-	{ "redir",	ICMP_REDIRECT },
-	{ "althost",	ICMP_ALTHOSTADDR },
-	{ "routeradv",	ICMP_ROUTERADVERT },
-	{ "routersol",	ICMP_ROUTERSOLICIT },
-	{ "timex",	ICMP_TIMXCEED },
-	{ "paramprob",	ICMP_PARAMPROB },
-	{ "timereq",	ICMP_TSTAMP },
-	{ "timerep",	ICMP_TSTAMPREPLY },
-	{ "inforeq",	ICMP_IREQ },
-	{ "inforep",	ICMP_IREQREPLY },
-	{ "maskreq",	ICMP_MASKREQ },
-	{ "maskrep",	ICMP_MASKREPLY },
-	{ "trace",	ICMP_TRACEROUTE },
-	{ "dataconv",	ICMP_DATACONVERR },
-	{ "mobredir",	ICMP_MOBILE_REDIRECT },
-	{ "ipv6-where",	ICMP_IPV6_WHEREAREYOU },
-	{ "ipv6-here",	ICMP_IPV6_IAMHERE },
-	{ "mobregreq",	ICMP_MOBILE_REGREQUEST },
-	{ "mobregrep",	ICMP_MOBILE_REGREPLY },
-	{ "skip",	ICMP_SKIP },
-	{ "photuris",	ICMP_PHOTURIS }
+static struct pfctl	*pf = NULL;
+static FILE		*fin = NULL;
+static int		 debug = 0;
+static int		 lineno = 1;
+static int		 errors = 0;
+static int		 rulestate = 0;
+static u_int16_t	 returnicmpdefault =
+			    (ICMP_UNREACH << 8) | ICMP_UNREACH_PORT;
+static u_int16_t	 returnicmp6default =
+			    (ICMP6_DST_UNREACH << 8) | ICMP6_DST_UNREACH_NOPORT;
+static int		 blockpolicy = PFRULE_DROP;
+static int		 require_order = 1;
+static int		 default_statelock;
+
+enum {
+	PFCTL_STATE_NONE,
+	PFCTL_STATE_OPTION,
+	PFCTL_STATE_SCRUB,
+	PFCTL_STATE_QUEUE,
+	PFCTL_STATE_NAT,
+	PFCTL_STATE_FILTER
 };
 
-static const struct icmptypeent icmp6_type[] = {
-	{ "unreach",	ICMP6_DST_UNREACH },
-	{ "toobig",	ICMP6_PACKET_TOO_BIG },
-	{ "timex",	ICMP6_TIME_EXCEEDED },
-	{ "paramprob",	ICMP6_PARAM_PROB },
-	{ "echoreq",	ICMP6_ECHO_REQUEST },
-	{ "echorep",	ICMP6_ECHO_REPLY },
-	{ "groupqry",	ICMP6_MEMBERSHIP_QUERY },
-	{ "listqry",	MLD_LISTENER_QUERY },
-	{ "grouprep",	ICMP6_MEMBERSHIP_REPORT },
-	{ "listenrep",	MLD_LISTENER_REPORT },
-	{ "groupterm",	ICMP6_MEMBERSHIP_REDUCTION },
-	{ "listendone", MLD_LISTENER_DONE },
-	{ "routersol",	ND_ROUTER_SOLICIT },
-	{ "routeradv",	ND_ROUTER_ADVERT },
-	{ "neighbrsol", ND_NEIGHBOR_SOLICIT },
-	{ "neighbradv", ND_NEIGHBOR_ADVERT },
-	{ "redir",	ND_REDIRECT },
-	{ "routrrenum", ICMP6_ROUTER_RENUMBERING },
-	{ "wrureq",	ICMP6_WRUREQUEST },
-	{ "wrurep",	ICMP6_WRUREPLY },
-	{ "fqdnreq",	ICMP6_FQDN_QUERY },
-	{ "fqdnrep",	ICMP6_FQDN_REPLY },
-	{ "niqry",	ICMP6_NI_QUERY },
-	{ "nirep",	ICMP6_NI_REPLY },
-	{ "mtraceresp",	MLD_MTRACE_RESP },
-	{ "mtrace",	MLD_MTRACE }
+struct node_proto {
+	u_int8_t		 proto;
+	struct node_proto	*next;
+	struct node_proto	*tail;
 };
 
-static const struct icmpcodeent icmp_code[] = {
-	{ "net-unr",		ICMP_UNREACH,	ICMP_UNREACH_NET },
-	{ "host-unr",		ICMP_UNREACH,	ICMP_UNREACH_HOST },
-	{ "proto-unr",		ICMP_UNREACH,	ICMP_UNREACH_PROTOCOL },
-	{ "port-unr",		ICMP_UNREACH,	ICMP_UNREACH_PORT },
-	{ "needfrag",		ICMP_UNREACH,	ICMP_UNREACH_NEEDFRAG },
-	{ "srcfail",		ICMP_UNREACH,	ICMP_UNREACH_SRCFAIL },
-	{ "net-unk",		ICMP_UNREACH,	ICMP_UNREACH_NET_UNKNOWN },
-	{ "host-unk",		ICMP_UNREACH,	ICMP_UNREACH_HOST_UNKNOWN },
-	{ "isolate",		ICMP_UNREACH,	ICMP_UNREACH_ISOLATED },
-	{ "net-prohib",		ICMP_UNREACH,	ICMP_UNREACH_NET_PROHIB },
-	{ "host-prohib",	ICMP_UNREACH,	ICMP_UNREACH_HOST_PROHIB },
-	{ "net-tos",		ICMP_UNREACH,	ICMP_UNREACH_TOSNET },
-	{ "host-tos",		ICMP_UNREACH,	ICMP_UNREACH_TOSHOST },
-	{ "filter-prohib",	ICMP_UNREACH,	ICMP_UNREACH_FILTER_PROHIB },
-	{ "host-preced",	ICMP_UNREACH,	ICMP_UNREACH_HOST_PRECEDENCE },
-	{ "cutoff-preced",	ICMP_UNREACH,	ICMP_UNREACH_PRECEDENCE_CUTOFF },
-	{ "redir-net",		ICMP_REDIRECT,	ICMP_REDIRECT_NET },
-	{ "redir-host",		ICMP_REDIRECT,	ICMP_REDIRECT_HOST },
-	{ "redir-tos-net",	ICMP_REDIRECT,	ICMP_REDIRECT_TOSNET },
-	{ "redir-tos-host",	ICMP_REDIRECT,	ICMP_REDIRECT_TOSHOST },
-	{ "normal-adv",		ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NORMAL },
-	{ "common-adv",		ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NOROUTE_COMMON },
-	{ "transit",		ICMP_TIMXCEED,	ICMP_TIMXCEED_INTRANS },
-	{ "reassemb",		ICMP_TIMXCEED,	ICMP_TIMXCEED_REASS },
-	{ "badhead",		ICMP_PARAMPROB,	ICMP_PARAMPROB_ERRATPTR },
-	{ "optmiss",		ICMP_PARAMPROB,	ICMP_PARAMPROB_OPTABSENT },
-	{ "badlen",		ICMP_PARAMPROB,	ICMP_PARAMPROB_LENGTH },
-	{ "unknown-ind",	ICMP_PHOTURIS,	ICMP_PHOTURIS_UNKNOWN_INDEX },
-	{ "auth-fail",		ICMP_PHOTURIS,	ICMP_PHOTURIS_AUTH_FAILED },
-	{ "decrypt-fail",	ICMP_PHOTURIS,	ICMP_PHOTURIS_DECRYPT_FAILED }
+struct node_port {
+	u_int16_t		 port[2];
+	u_int8_t		 op;
+	struct node_port	*next;
+	struct node_port	*tail;
 };
 
-static const struct icmpcodeent icmp6_code[] = {
-	{ "admin-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN },
-	{ "noroute-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE },
-	{ "notnbr-unr",	ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOTNEIGHBOR },
-	{ "beyond-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_BEYONDSCOPE },
-	{ "addr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR },
-	{ "port-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT },
-	{ "transit", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_TRANSIT },
-	{ "reassemb", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_REASSEMBLY },
-	{ "badhead", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER },
-	{ "nxthdr", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_NEXTHEADER },
-	{ "redironlink", ND_REDIRECT, ND_REDIRECT_ONLINK },
-	{ "redirrouter", ND_REDIRECT, ND_REDIRECT_ROUTER }
+struct node_uid {
+	uid_t			 uid[2];
+	u_int8_t		 op;
+	struct node_uid		*next;
+	struct node_uid		*tail;
 };
 
-const struct pf_timeout pf_timeouts[] = {
-	{ "tcp.first",		PFTM_TCP_FIRST_PACKET },
-	{ "tcp.opening",	PFTM_TCP_OPENING },
-	{ "tcp.established",	PFTM_TCP_ESTABLISHED },
-	{ "tcp.closing",	PFTM_TCP_CLOSING },
-	{ "tcp.finwait",	PFTM_TCP_FIN_WAIT },
-	{ "tcp.closed",		PFTM_TCP_CLOSED },
-	{ "tcp.tsdiff",		PFTM_TS_DIFF },
-	{ "udp.first",		PFTM_UDP_FIRST_PACKET },
-	{ "udp.single",		PFTM_UDP_SINGLE },
-	{ "udp.multiple",	PFTM_UDP_MULTIPLE },
-	{ "icmp.first",		PFTM_ICMP_FIRST_PACKET },
-	{ "icmp.error",		PFTM_ICMP_ERROR_REPLY },
-	{ "other.first",	PFTM_OTHER_FIRST_PACKET },
-	{ "other.single",	PFTM_OTHER_SINGLE },
-	{ "other.multiple",	PFTM_OTHER_MULTIPLE },
-	{ "frag",		PFTM_FRAG },
-	{ "interval",		PFTM_INTERVAL },
-	{ "adaptive.start",	PFTM_ADAPTIVE_START },
-	{ "adaptive.end",	PFTM_ADAPTIVE_END },
-	{ "src.track",		PFTM_SRC_NODE },
-	{ NULL,			0 }
+struct node_gid {
+	gid_t			 gid[2];
+	u_int8_t		 op;
+	struct node_gid		*next;
+	struct node_gid		*tail;
 };
 
-const struct icmptypeent *
-geticmptypebynumber(u_int8_t type, sa_family_t af)
-{
-	unsigned int	i;
+struct node_icmp {
+	u_int8_t		 code;
+	u_int8_t		 type;
+	u_int8_t		 proto;
+	struct node_icmp	*next;
+	struct node_icmp	*tail;
+};
+
+enum	{ PF_STATE_OPT_MAX, PF_STATE_OPT_NOSYNC, PF_STATE_OPT_SRCTRACK,
+	    PF_STATE_OPT_MAX_SRC_STATES, PF_STATE_OPT_MAX_SRC_CONN,
+	    PF_STATE_OPT_MAX_SRC_CONN_RATE, PF_STATE_OPT_MAX_SRC_NODES,
+	    PF_STATE_OPT_OVERLOAD, PF_STATE_OPT_STATELOCK,
+	    PF_STATE_OPT_TIMEOUT };
+
+enum	{ PF_SRCTRACK_NONE, PF_SRCTRACK, PF_SRCTRACK_GLOBAL, PF_SRCTRACK_RULE };
+
+struct node_state_opt {
+	int			 type;
+	union {
+		u_int32_t	 max_states;
+		u_int32_t	 max_src_states;
+		u_int32_t	 max_src_conn;
+		struct {
+			u_int32_t	limit;
+			u_int32_t	seconds;
+	
+		}		 max_src_conn_rate;
+		struct {
+			u_int8_t	flush;
+			char		tblname[PF_TABLE_NAME_SIZE];
+		}		 overload;
+		u_int32_t	 max_src_nodes;
+		u_int8_t	 src_track;
+		u_int32_t	 statelock;
+		struct {
+			int		number;
+			u_int32_t	seconds;
+		}		 timeout;
+	}			 data;
+	struct node_state_opt	*next;
+	struct node_state_opt	*tail;
+};
+
+struct peer {
+	struct node_host	*host;
+	struct node_port	*port;
+};
+
+struct node_queue {
+	char			 queue[PF_QNAME_SIZE];
+	char			 parent[PF_QNAME_SIZE];
+	char			 ifname[IFNAMSIZ];
+	int			 scheduler;
+	struct node_queue	*next;
+	struct node_queue	*tail;
+}	*queues = NULL;
+
+struct node_qassign {
+	char		*qname;
+	char		*pqname;
+};
+
+struct filter_opts {
+	int			 marker;
+#define FOM_FLAGS	0x01
+#define FOM_ICMP	0x02
+#define FOM_TOS		0x04
+#define FOM_KEEP	0x08
+#define FOM_SRCTRACK	0x10
+	struct node_uid		*uid;
+	struct node_gid		*gid;
+	struct {
+		u_int8_t	 b1;
+		u_int8_t	 b2;
+		u_int16_t	 w;
+		u_int16_t	 w2;
+	} flags;
+	struct node_icmp	*icmpspec;
+	u_int32_t		 tos;
+	u_int32_t		 prob;
+	struct {
+		int			 action;
+		struct node_state_opt	*options;
+	} keep;
+	int			 fragment;
+	int			 allowopts;
+	char			*label;
+	struct node_qassign	 queues;
+	char			*tag;
+	char			*match_tag;
+	u_int8_t		 match_tag_not;
+} filter_opts;
+
+struct antispoof_opts {
+	char			*label;
+} antispoof_opts;
+
+struct scrub_opts {
+	int			marker;
+#define SOM_MINTTL	0x01
+#define SOM_MAXMSS	0x02
+#define SOM_FRAGCACHE	0x04
+	int			nodf;
+	int			minttl;
+	int			maxmss;
+	int			fragcache;
+	int			randomid;
+	int			reassemble_tcp;
+} scrub_opts;
+
+struct queue_opts {
+	int			marker;
+#define QOM_BWSPEC	0x01
+#define QOM_SCHEDULER	0x02
+#define QOM_PRIORITY	0x04
+#define QOM_TBRSIZE	0x08
+#define QOM_QLIMIT	0x10
+	struct node_queue_bw	queue_bwspec;
+	struct node_queue_opt	scheduler;
+	int			priority;
+	int			tbrsize;
+	int			qlimit;
+} queue_opts;
+
+struct table_opts {
+	int			flags;
+	int			init_addr;
+	struct node_tinithead	init_nodes;
+} table_opts;
+
+struct pool_opts {
+	int			 marker;
+#define POM_TYPE		0x01
+#define POM_STICKYADDRESS	0x02
+	u_int8_t		 opts;
+	int			 type;
+	int			 staticport;
+	struct pf_poolhashkey	*key;
+
+} pool_opts;
+
+
+struct node_hfsc_opts	hfsc_opts;
+
+int	yyerror(const char *, ...);
+int	disallow_table(struct node_host *, const char *);
+int	disallow_alias(struct node_host *, const char *);
+int	rule_consistent(struct pf_rule *);
+int	filter_consistent(struct pf_rule *);
+int	nat_consistent(struct pf_rule *);
+int	rdr_consistent(struct pf_rule *);
+int	process_tabledef(char *, struct table_opts *);
+int	yyparse(void);
+void	expand_label_str(char *, size_t, const char *, const char *);
+void	expand_label_if(const char *, char *, size_t, const char *);
+void	expand_label_addr(const char *, char *, size_t, u_int8_t,
+	    struct node_host *);
+void	expand_label_port(const char *, char *, size_t, struct node_port *);
+void	expand_label_proto(const char *, char *, size_t, u_int8_t);
+void	expand_label_nr(const char *, char *, size_t);
+void	expand_label(char *, size_t, const char *, u_int8_t, struct node_host *,
+	    struct node_port *, struct node_host *, struct node_port *,
+	    u_int8_t);
+void	expand_rule(struct pf_rule *, struct node_if *, struct node_host *,
+	    struct node_proto *, struct node_os*, struct node_host *,
+	    struct node_port *, struct node_host *, struct node_port *,
+	    struct node_uid *, struct node_gid *, struct node_icmp *,
+	    const char *);
+int	expand_altq(struct pf_altq *, struct node_if *, struct node_queue *,
+	    struct node_queue_bw bwspec, struct node_queue_opt *);
+int	expand_queue(struct pf_altq *, struct node_if *, struct node_queue *,
+	    struct node_queue_bw, struct node_queue_opt *);
+
+int	 check_rulestate(int);
+int	 kw_cmp(const void *, const void *);
+int	 lookup(char *);
+int	 lgetc(FILE *);
+int	 lungetc(int);
+int	 findeol(void);
+int	 yylex(void);
+int	 atoul(char *, u_long *);
+int	 getservice(char *);
+int	 rule_label(struct pf_rule *, char *);
+
+TAILQ_HEAD(symhead, sym)	 symhead = TAILQ_HEAD_INITIALIZER(symhead);
+struct sym {
+	TAILQ_ENTRY(sym)	 entries;
+	int			 used;
+	int			 persist;
+	char			*nam;
+	char			*val;
+};
 
-	if (af != AF_INET6) {
-		for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0]));
-		    i++) {
-			if (type == icmp_type[i].type)
-				return (&icmp_type[i]);
+
+int	 symset(const char *, const char *, int);
+char	*symget(const char *);
+
+void	 decide_address_family(struct node_host *, sa_family_t *);
+void	 remove_invalid_hosts(struct node_host **, sa_family_t *);
+int	 invalid_redirect(struct node_host *, sa_family_t);
+u_int16_t parseicmpspec(char *, sa_family_t);
+
+TAILQ_HEAD(loadanchorshead, loadanchors)
+    loadanchorshead = TAILQ_HEAD_INITIALIZER(loadanchorshead);
+
+struct loadanchors {
+	TAILQ_ENTRY(loadanchors)	 entries;
+	char				*anchorname;
+	char				*filename;
+};
+
+typedef struct {
+	union {
+		u_int32_t		 number;
+		int			 i;
+		char			*string;
+		struct {
+			u_int8_t	 b1;
+			u_int8_t	 b2;
+			u_int16_t	 w;
+			u_int16_t	 w2;
+		}			 b;
+		struct range {
+			int		 a;
+			int		 b;
+			int		 t;
+		}			 range;
+		struct node_if		*interface;
+		struct node_proto	*proto;
+		struct node_icmp	*icmp;
+		struct node_host	*host;
+		struct node_os		*os;
+		struct node_port	*port;
+		struct node_uid		*uid;
+		struct node_gid		*gid;
+		struct node_state_opt	*state_opt;
+		struct peer		 peer;
+		struct {
+			struct peer	 src, dst;
+			struct node_os	*src_os;
+		}			 fromto;
+		struct {
+			struct node_host	*host;
+			u_int8_t		 rt;
+			u_int8_t		 pool_opts;
+			sa_family_t		 af;
+			struct pf_poolhashkey	*key;
+		}			 route;
+		struct redirection {
+			struct node_host	*host;
+			struct range		 rport;
+		}			*redirection;
+		struct {
+			int			 action;
+			struct node_state_opt	*options;
+		}			 keep_state;
+		struct {
+			u_int8_t	 log;
+			u_int8_t	 quick;
+		}			 logquick;
+		struct pf_poolhashkey	*hashkey;
+		struct node_queue	*queue;
+		struct node_queue_opt	 queue_options;
+		struct node_queue_bw	 queue_bwspec;
+		struct node_qassign	 qassign;
+		struct filter_opts	 filter_opts;
+		struct antispoof_opts	 antispoof_opts;
+		struct queue_opts	 queue_opts;
+		struct scrub_opts	 scrub_opts;
+		struct table_opts	 table_opts;
+		struct pool_opts	 pool_opts;
+		struct node_hfsc_opts	 hfsc_opts;
+	} v;
+	int lineno;
+} YYSTYPE;
+
+#define DYNIF_MULTIADDR(addr) ((addr).type == PF_ADDR_DYNIFTL && \
+	(!((addr).iflags & PFI_AFLAG_NOALIAS) ||		 \
+	!isdigit((addr).v.ifname[strlen((addr).v.ifname)-1])))
+
+%}
+
+%token	PASS BLOCK SCRUB RETURN IN OS OUT LOG LOGALL QUICK ON FROM TO FLAGS
+%token	RETURNRST RETURNICMP RETURNICMP6 PROTO INET INET6 ALL ANY ICMPTYPE
+%token	ICMP6TYPE CODE KEEP MODULATE STATE PORT RDR NAT BINAT ARROW NODF
+%token	MINTTL ERROR ALLOWOPTS FASTROUTE FILENAME ROUTETO DUPTO REPLYTO NO LABEL
+%token	NOROUTE FRAGMENT USER GROUP MAXMSS MAXIMUM TTL TOS DROP TABLE
+%token	REASSEMBLE FRAGDROP FRAGCROP ANCHOR NATANCHOR RDRANCHOR BINATANCHOR
+%token	SET OPTIMIZATION TIMEOUT LIMIT LOGINTERFACE BLOCKPOLICY RANDOMID
+%token	REQUIREORDER SYNPROXY FINGERPRINTS NOSYNC DEBUG HOSTID
+%token	ANTISPOOF FOR
+%token	BITMASK RANDOM SOURCEHASH ROUNDROBIN STATICPORT PROBABILITY
+%token	ALTQ CBQ PRIQ HFSC BANDWIDTH TBRSIZE LINKSHARE REALTIME UPPERLIMIT
+%token	QUEUE PRIORITY QLIMIT
+%token	LOAD
+%token	STICKYADDRESS MAXSRCSTATES MAXSRCNODES SOURCETRACK GLOBAL RULE
+%token	MAXSRCCONN MAXSRCCONNRATE OVERLOAD FLUSH
+%token	TAGGED TAG IFBOUND GRBOUND FLOATING STATEPOLICY
+%token	<v.string>		STRING
+%token	<v.i>			PORTBINARY
+%type	<v.interface>		interface if_list if_item_not if_item
+%type	<v.number>		number icmptype icmp6type uid gid
+%type	<v.number>		tos not yesno natpass
+%type	<v.i>			no dir log af fragcache sourcetrack flush
+%type	<v.i>			unaryop statelock
+%type	<v.b>			action nataction scrubaction
+%type	<v.b>			flags flag blockspec
+%type	<v.range>		port rport
+%type	<v.hashkey>		hashkey
+%type	<v.proto>		proto proto_list proto_item
+%type	<v.icmp>		icmpspec
+%type	<v.icmp>		icmp_list icmp_item
+%type	<v.icmp>		icmp6_list icmp6_item
+%type	<v.fromto>		fromto
+%type	<v.peer>		ipportspec from to
+%type	<v.host>		ipspec xhost host dynaddr host_list
+%type	<v.host>		redir_host_list redirspec
+%type	<v.host>		route_host route_host_list routespec
+%type	<v.os>			os xos os_list
+%type	<v.port>		portspec port_list port_item
+%type	<v.uid>			uids uid_list uid_item
+%type	<v.gid>			gids gid_list gid_item
+%type	<v.route>		route
+%type	<v.redirection>		redirection redirpool
+%type	<v.string>		label string tag
+%type	<v.keep_state>		keep
+%type	<v.state_opt>		state_opt_spec state_opt_list state_opt_item
+%type	<v.logquick>		logquick
+%type	<v.interface>		antispoof_ifspc antispoof_iflst antispoof_if
+%type	<v.qassign>		qname
+%type	<v.queue>		qassign qassign_list qassign_item
+%type	<v.queue_options>	scheduler
+%type	<v.number>		cbqflags_list cbqflags_item
+%type	<v.number>		priqflags_list priqflags_item
+%type	<v.hfsc_opts>		hfscopts_list hfscopts_item hfsc_opts
+%type	<v.queue_bwspec>	bandwidth
+%type	<v.filter_opts>		filter_opts filter_opt filter_opts_l
+%type	<v.antispoof_opts>	antispoof_opts antispoof_opt antispoof_opts_l
+%type	<v.queue_opts>		queue_opts queue_opt queue_opts_l
+%type	<v.scrub_opts>		scrub_opts scrub_opt scrub_opts_l
+%type	<v.table_opts>		table_opts table_opt table_opts_l
+%type	<v.pool_opts>		pool_opts pool_opt pool_opts_l
+%%
+
+ruleset		: /* empty */
+		| ruleset '\n'
+		| ruleset option '\n'
+		| ruleset scrubrule '\n'
+		| ruleset natrule '\n'
+		| ruleset binatrule '\n'
+		| ruleset pfrule '\n'
+		| ruleset anchorrule '\n'
+		| ruleset loadrule '\n'
+		| ruleset altqif '\n'
+		| ruleset queuespec '\n'
+		| ruleset varset '\n'
+		| ruleset antispoof '\n'
+		| ruleset tabledef '\n'
+		| ruleset error '\n'		{ errors++; }
+		;
+
+option		: SET OPTIMIZATION STRING		{
+			if (check_rulestate(PFCTL_STATE_OPTION)) {
+				free($3);
+				YYERROR;
+			}
+			if (pfctl_set_optimization(pf, $3) != 0) {
+				yyerror("unknown optimization %s", $3);
+				free($3);
+				YYERROR;
+			}
+			free ($3);
 		}
-	} else {
-		for (i=0; i < (sizeof (icmp6_type) /
-		    sizeof(icmp6_type[0])); i++) {
-			if (type == icmp6_type[i].type)
-				 return (&icmp6_type[i]);
+		| SET TIMEOUT timeout_spec
+		| SET TIMEOUT '{' timeout_list '}'
+		| SET LIMIT limit_spec
+		| SET LIMIT '{' limit_list '}'
+		| SET LOGINTERFACE STRING		{
+			if (check_rulestate(PFCTL_STATE_OPTION)) {
+				free($3);
+				YYERROR;
+			}
+			if (pfctl_set_logif(pf, $3) != 0) {
+				yyerror("error setting loginterface %s", $3);
+				free($3);
+				YYERROR;
+			}
+			free($3);
 		}
-	}
-	return (NULL);
-}
+		| SET HOSTID number {
+			if ($3 == 0) {
+				yyerror("hostid must be non-zero");
+				YYERROR;
+			}
+			if (pfctl_set_hostid(pf, $3) != 0) {
+				yyerror("error setting hostid %08x", $3);
+				YYERROR;
+			}
+		}
+		| SET BLOCKPOLICY DROP	{
+			if (pf->opts & PF_OPT_VERBOSE)
+				printf("set block-policy drop\n");
+			if (check_rulestate(PFCTL_STATE_OPTION))
+				YYERROR;
+			blockpolicy = PFRULE_DROP;
+		}
+		| SET BLOCKPOLICY RETURN {
+			if (pf->opts & PF_OPT_VERBOSE)
+				printf("set block-policy return\n");
+			if (check_rulestate(PFCTL_STATE_OPTION))
+				YYERROR;
+			blockpolicy = PFRULE_RETURN;
+		}
+		| SET REQUIREORDER yesno {
+			if (pf->opts & PF_OPT_VERBOSE)
+				printf("set require-order %s\n",
+				    $3 == 1 ? "yes" : "no");
+			require_order = $3;
+		}
+		| SET FINGERPRINTS STRING {
+			if (pf->opts & PF_OPT_VERBOSE)
+				printf("fingerprints %s\n", $3);
+			if (check_rulestate(PFCTL_STATE_OPTION)) {
+				free($3);
+				YYERROR;
+			}
+			if (pfctl_file_fingerprints(pf->dev, pf->opts, $3)) {
+				yyerror("error loading fingerprints %s", $3);
+				free($3);
+				YYERROR;
+			}
+			free($3);
+		}
+		| SET STATEPOLICY statelock {
+			if (pf->opts & PF_OPT_VERBOSE)
+				switch ($3) {
+				case 0:
+					printf("set state-policy floating\n");
+					break;
+				case PFRULE_IFBOUND:
+					printf("set state-policy if-bound\n");
+					break;
+				case PFRULE_GRBOUND:
+					printf("set state-policy "
+					    "group-bound\n");
+					break;
+				}
+			default_statelock = $3;
+		}
+		| SET DEBUG STRING {
+			if (check_rulestate(PFCTL_STATE_OPTION)) {
+				free($3);
+				YYERROR;
+			}
+			if (pfctl_set_debug(pf, $3) != 0) {
+				yyerror("error setting debuglevel %s", $3);
+				free($3);
+				YYERROR;
+			}
+			free($3);
+		}
+		;
 
-const struct icmptypeent *
-geticmptypebyname(char *w, sa_family_t af)
-{
-	unsigned int	i;
+string		: string STRING				{
+			if (asprintf(&$$, "%s %s", $1, $2) == -1)
+				err(1, "string: asprintf");
+			free($1);
+			free($2);
+		}
+		| STRING
+		;
 
-	if (af != AF_INET6) {
-		for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0]));
-		    i++) {
-			if (!strcmp(w, icmp_type[i].name))
-				return (&icmp_type[i]);
+varset		: STRING '=' string		{
+			if (pf->opts & PF_OPT_VERBOSE)
+				printf("%s = \"%s\"\n", $1, $3);
+			if (symset($1, $3, 0) == -1)
+				err(1, "cannot store variable %s", $1);
+			free($1);
+			free($3);
 		}
-	} else {
-		for (i=0; i < (sizeof (icmp6_type) /
-		    sizeof(icmp6_type[0])); i++) {
-			if (!strcmp(w, icmp6_type[i].name))
-				return (&icmp6_type[i]);
+		;
+
+anchorrule	: ANCHOR string	dir interface af proto fromto filter_opts {
+			struct pf_rule	r;
+
+			if (check_rulestate(PFCTL_STATE_FILTER)) {
+				free($2);
+				YYERROR;
+			}
+
+			memset(&r, 0, sizeof(r));
+			r.direction = $3;
+			r.af = $5;
+			r.prob = $8.prob;
+
+			if ($8.match_tag)
+				if (strlcpy(r.match_tagname, $8.match_tag,
+				    PF_TAG_NAME_SIZE) >= PF_TAG_NAME_SIZE) {
+					yyerror("tag too long, max %u chars",
+					    PF_TAG_NAME_SIZE - 1);
+					YYERROR;
+				}
+			r.match_tag_not = $8.match_tag_not;
+
+			decide_address_family($7.src.host, &r.af);
+			decide_address_family($7.dst.host, &r.af);
+
+			expand_rule(&r, $4, NULL, $6, $7.src_os,
+			    $7.src.host, $7.src.port, $7.dst.host, $7.dst.port,
+			    0, 0, 0, $2);
+			free($2);
 		}
-	}
-	return (NULL);
-}
+		| NATANCHOR string interface af proto fromto {
+			struct pf_rule	r;
 
-const struct icmpcodeent *
-geticmpcodebynumber(u_int8_t type, u_int8_t code, sa_family_t af)
-{
-	unsigned int	i;
+			if (check_rulestate(PFCTL_STATE_NAT)) {
+				free($2);
+				YYERROR;
+			}
 
-	if (af != AF_INET6) {
-		for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0]));
-		    i++) {
-			if (type == icmp_code[i].type &&
-			    code == icmp_code[i].code)
-				return (&icmp_code[i]);
+			memset(&r, 0, sizeof(r));
+			r.action = PF_NAT;
+			r.af = $4;
+
+			decide_address_family($6.src.host, &r.af);
+			decide_address_family($6.dst.host, &r.af);
+
+			expand_rule(&r, $3, NULL, $5, $6.src_os,
+			    $6.src.host, $6.src.port, $6.dst.host, $6.dst.port,
+			    0, 0, 0, $2);
+			free($2);
 		}
-	} else {
-		for (i=0; i < (sizeof (icmp6_code) /
-		    sizeof(icmp6_code[0])); i++) {
-			if (type == icmp6_code[i].type &&
-			    code == icmp6_code[i].code)
-				return (&icmp6_code[i]);
+		| RDRANCHOR string interface af proto fromto {
+			struct pf_rule	r;
+
+			if (check_rulestate(PFCTL_STATE_NAT)) {
+				free($2);
+				YYERROR;
+			}
+
+			memset(&r, 0, sizeof(r));
+			r.action = PF_RDR;
+			r.af = $4;
+
+			decide_address_family($6.src.host, &r.af);
+			decide_address_family($6.dst.host, &r.af);
+
+			if ($6.src.port != NULL) {
+				yyerror("source port parameter not supported"
+				    " in rdr-anchor");
+				YYERROR;
+			}
+			if ($6.dst.port != NULL) {
+				if ($6.dst.port->next != NULL) {
+					yyerror("destination port list "
+					    "expansion not supported in "
+					    "rdr-anchor");
+					YYERROR;
+				} else if ($6.dst.port->op != PF_OP_EQ) {
+					yyerror("destination port operators"
+					    " not supported in rdr-anchor");
+					YYERROR;
+				}
+				r.dst.port[0] = $6.dst.port->port[0];
+				r.dst.port[1] = $6.dst.port->port[1];
+				r.dst.port_op = $6.dst.port->op;
+			}
+
+			expand_rule(&r, $3, NULL, $5, $6.src_os,
+			    $6.src.host, $6.src.port, $6.dst.host, $6.dst.port,
+			    0, 0, 0, $2);
+			free($2);
 		}
-	}
-	return (NULL);
-}
+		| BINATANCHOR string interface af proto fromto {
+			struct pf_rule	r;
 
-const struct icmpcodeent *
-geticmpcodebyname(u_long type, char *w, sa_family_t af)
-{
-	unsigned int	i;
+			if (check_rulestate(PFCTL_STATE_NAT)) {
+				free($2);
+				YYERROR;
+			}
 
-	if (af != AF_INET6) {
-		for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0]));
-		    i++) {
-			if (type == icmp_code[i].type &&
-			    !strcmp(w, icmp_code[i].name))
-				return (&icmp_code[i]);
+			memset(&r, 0, sizeof(r));
+			r.action = PF_BINAT;
+			r.af = $4;
+			if ($5 != NULL) {
+				if ($5->next != NULL) {
+					yyerror("proto list expansion"
+					    " not supported in binat-anchor");
+					YYERROR;
+				}
+				r.proto = $5->proto;
+				free($5);
+			}
+
+			if ($6.src.host != NULL || $6.src.port != NULL ||
+			    $6.dst.host != NULL || $6.dst.port != NULL) {
+				yyerror("fromto parameter not supported"
+				    " in binat-anchor");
+				YYERROR;
+			}
+
+			decide_address_family($6.src.host, &r.af);
+			decide_address_family($6.dst.host, &r.af);
+
+			pfctl_add_rule(pf, &r, $2);
+			free($2);
 		}
-	} else {
-		for (i=0; i < (sizeof (icmp6_code) /
-		    sizeof(icmp6_code[0])); i++) {
-			if (type == icmp6_code[i].type &&
-			    !strcmp(w, icmp6_code[i].name))
-				return (&icmp6_code[i]);
+		;
+
+loadrule	: LOAD ANCHOR string FROM string	{
+			struct loadanchors	*loadanchor;
+
+			if (strlen($3) >= MAXPATHLEN) {
+				yyerror("anchorname %s too long, max %u\n",
+				    $3, MAXPATHLEN - 1);
+				free($3);
+				YYERROR;
+			}
+			loadanchor = calloc(1, sizeof(struct loadanchors));
+			if (loadanchor == NULL)
+				err(1, "loadrule: calloc");
+			if ((loadanchor->anchorname = strdup($3)) == NULL)
+				err(1, "loadrule: strdup");
+			if ((loadanchor->filename = strdup($5)) == NULL)
+				err(1, "loadrule: strdup");
+
+			TAILQ_INSERT_TAIL(&loadanchorshead, loadanchor,
+			    entries);
+
+			free($3);
+			free($5);
+		};
+
+scrubaction	: no SCRUB {
+			$$.b2 = $$.w = 0;
+			if ($1)
+				$$.b1 = PF_NOSCRUB;
+			else
+				$$.b1 = PF_SCRUB;
 		}
-	}
-	return (NULL);
-}
+		;
 
-void
-print_op(u_int8_t op, const char *a1, const char *a2)
-{
-	if (op == PF_OP_IRG)
-		printf(" %s >< %s", a1, a2);
-	else if (op == PF_OP_XRG)
-		printf(" %s <> %s", a1, a2);
-	else if (op == PF_OP_EQ)
-		printf(" = %s", a1);
-	else if (op == PF_OP_NE)
-		printf(" != %s", a1);
-	else if (op == PF_OP_LT)
-		printf(" < %s", a1);
-	else if (op == PF_OP_LE)
-		printf(" <= %s", a1);
-	else if (op == PF_OP_GT)
-		printf(" > %s", a1);
-	else if (op == PF_OP_GE)
-		printf(" >= %s", a1);
-	else if (op == PF_OP_RRG)
-		printf(" %s:%s", a1, a2);
-}
+scrubrule	: scrubaction dir logquick interface af proto fromto scrub_opts
+		{
+			struct pf_rule	r;
 
-void
-print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto)
-{
-	char		 a1[6], a2[6];
-	struct servent	*s;
+			if (check_rulestate(PFCTL_STATE_SCRUB))
+				YYERROR;
 
-	s = getservbyport(p1, proto);
-	p1 = ntohs(p1);
-	p2 = ntohs(p2);
-	snprintf(a1, sizeof(a1), "%u", p1);
-	snprintf(a2, sizeof(a2), "%u", p2);
-	printf(" port");
-	if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE))
-		print_op(op, s->s_name, a2);
-	else
-		print_op(op, a1, a2);
-}
+			memset(&r, 0, sizeof(r));
 
-void
-print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax)
-{
-	char	a1[11], a2[11];
+			r.action = $1.b1;
+			r.direction = $2;
 
-	snprintf(a1, sizeof(a1), "%u", u1);
-	snprintf(a2, sizeof(a2), "%u", u2);
-	printf(" %s", t);
-	if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE))
-		print_op(op, "unknown", a2);
-	else
-		print_op(op, a1, a2);
-}
+			r.log = $3.log;
+			if ($3.quick) {
+				yyerror("scrub rules do not support 'quick'");
+				YYERROR;
+			}
 
-void
-print_flags(u_int8_t f)
+			r.af = $5;
+			if ($8.nodf)
+				r.rule_flag |= PFRULE_NODF;
+			if ($8.randomid)
+				r.rule_flag |= PFRULE_RANDOMID;
+			if ($8.reassemble_tcp) {
+				if (r.direction != PF_INOUT) {
+					yyerror("reassemble tcp rules can not "
+					    "specify direction");
+					YYERROR;
+				}
+				r.rule_flag |= PFRULE_REASSEMBLE_TCP;
+			}
+			if ($8.minttl)
+				r.min_ttl = $8.minttl;
+			if ($8.maxmss)
+				r.max_mss = $8.maxmss;
+			if ($8.fragcache)
+				r.rule_flag |= $8.fragcache;
+
+			expand_rule(&r, $4, NULL, $6, $7.src_os,
+			    $7.src.host, $7.src.port, $7.dst.host, $7.dst.port,
+			    NULL, NULL, NULL, "");
+		}
+		;
+
+scrub_opts	:	{
+			bzero(&scrub_opts, sizeof scrub_opts);
+		}
+		    scrub_opts_l
+			{ $$ = scrub_opts; }
+		| /* empty */ {
+			bzero(&scrub_opts, sizeof scrub_opts);
+			$$ = scrub_opts;
+		}
+		;
+
+scrub_opts_l	: scrub_opts_l scrub_opt
+		| scrub_opt
+		;
+
+scrub_opt	: NODF	{
+			if (scrub_opts.nodf) {
+				yyerror("no-df cannot be respecified");
+				YYERROR;
+			}
+			scrub_opts.nodf = 1;
+		}
+		| MINTTL number {
+			if (scrub_opts.marker & SOM_MINTTL) {
+				yyerror("min-ttl cannot be respecified");
+				YYERROR;
+			}
+			if ($2 > 255) {
+				yyerror("illegal min-ttl value %d", $2);
+				YYERROR;
+			}
+			scrub_opts.marker |= SOM_MINTTL;
+			scrub_opts.minttl = $2;
+		}
+		| MAXMSS number {
+			if (scrub_opts.marker & SOM_MAXMSS) {
+				yyerror("max-mss cannot be respecified");
+				YYERROR;
+			}
+			if ($2 > 65535) {
+				yyerror("illegal max-mss value %d", $2);
+				YYERROR;
+			}
+			scrub_opts.marker |= SOM_MAXMSS;
+			scrub_opts.maxmss = $2;
+		}
+		| fragcache {
+			if (scrub_opts.marker & SOM_FRAGCACHE) {
+				yyerror("fragcache cannot be respecified");
+				YYERROR;
+			}
+			scrub_opts.marker |= SOM_FRAGCACHE;
+			scrub_opts.fragcache = $1;
+		}
+		| REASSEMBLE STRING {
+			if (strcasecmp($2, "tcp") != 0) {
+				free($2);
+				YYERROR;
+			}
+			free($2);
+			if (scrub_opts.reassemble_tcp) {
+				yyerror("reassemble tcp cannot be respecified");
+				YYERROR;
+			}
+			scrub_opts.reassemble_tcp = 1;
+		}
+		| RANDOMID {
+			if (scrub_opts.randomid) {
+				yyerror("random-id cannot be respecified");
+				YYERROR;
+			}
+			scrub_opts.randomid = 1;
+		}
+		;
+
+fragcache	: FRAGMENT REASSEMBLE	{ $$ = 0; /* default */ }
+		| FRAGMENT FRAGCROP	{ $$ = PFRULE_FRAGCROP; }
+		| FRAGMENT FRAGDROP	{ $$ = PFRULE_FRAGDROP; }
+		;
+
+antispoof	: ANTISPOOF logquick antispoof_ifspc af antispoof_opts {
+			struct pf_rule		 r;
+			struct node_host	*h = NULL, *hh;
+			struct node_if		*i, *j;
+
+			if (check_rulestate(PFCTL_STATE_FILTER))
+				YYERROR;
+
+			for (i = $3; i; i = i->next) {
+				bzero(&r, sizeof(r));
+
+				r.action = PF_DROP;
+				r.direction = PF_IN;
+				r.log = $2.log;
+				r.quick = $2.quick;
+				r.af = $4;
+				if (rule_label(&r, $5.label))
+					YYERROR;
+				j = calloc(1, sizeof(struct node_if));
+				if (j == NULL)
+					err(1, "antispoof: calloc");
+				if (strlcpy(j->ifname, i->ifname,
+				    sizeof(j->ifname)) >= sizeof(j->ifname)) {
+					free(j);
+					yyerror("interface name too long");
+					YYERROR;
+				}
+				j->not = 1;
+				if (i->dynamic) {
+					h = calloc(1, sizeof(*h));
+					if (h == NULL)
+						err(1, "address: calloc");
+					h->addr.type = PF_ADDR_DYNIFTL;
+					set_ipmask(h, 128);
+					if (strlcpy(h->addr.v.ifname, i->ifname,
+					    sizeof(h->addr.v.ifname)) >=
+					    sizeof(h->addr.v.ifname)) {
+						yyerror(
+						    "interface name too long");
+						YYERROR;
+					}
+					hh = malloc(sizeof(*hh));
+					if (hh == NULL)
+						 err(1, "address: malloc");
+					bcopy(h, hh, sizeof(*hh));
+					h->addr.iflags = PFI_AFLAG_NETWORK;
+				} else {
+					h = ifa_lookup(j->ifname,
+					    PFI_AFLAG_NETWORK);
+					hh = NULL;
+				}
+
+				if (h != NULL)
+					expand_rule(&r, j, NULL, NULL, NULL, h,
+					    NULL, NULL, NULL, NULL, NULL,
+					    NULL, "");
+
+				if ((i->ifa_flags & IFF_LOOPBACK) == 0) {
+					bzero(&r, sizeof(r));
+
+					r.action = PF_DROP;
+					r.direction = PF_IN;
+					r.log = $2.log;
+					r.quick = $2.quick;
+					r.af = $4;
+					if (rule_label(&r, $5.label))
+						YYERROR;
+					if (hh != NULL)
+						h = hh;
+					else
+						h = ifa_lookup(i->ifname, 0);
+					if (h != NULL)
+						expand_rule(&r, NULL, NULL,
+						    NULL, NULL, h, NULL, NULL,
+						    NULL, NULL, NULL, NULL, "");
+				} else
+					free(hh);
+			}
+			free($5.label);
+		}
+		;
+
+antispoof_ifspc	: FOR antispoof_if		{ $$ = $2; }
+		| FOR '{' antispoof_iflst '}'	{ $$ = $3; }
+		;
+
+antispoof_iflst	: antispoof_if				{ $$ = $1; }
+		| antispoof_iflst comma antispoof_if	{
+			$1->tail->next = $3;
+			$1->tail = $3;
+			$$ = $1;
+		}
+		;
+
+antispoof_if  : if_item				{ $$ = $1; }
+		| '(' if_item ')'		{
+			$2->dynamic = 1;
+			$$ = $2;
+		}
+		;
+
+antispoof_opts	:	{ bzero(&antispoof_opts, sizeof antispoof_opts); }
+		    antispoof_opts_l
+			{ $$ = antispoof_opts; }
+		| /* empty */	{
+			bzero(&antispoof_opts, sizeof antispoof_opts);
+			$$ = antispoof_opts;
+		}
+		;
+
+antispoof_opts_l	: antispoof_opts_l antispoof_opt
+			| antispoof_opt
+			;
+
+antispoof_opt	: label	{
+			if (antispoof_opts.label) {
+				yyerror("label cannot be redefined");
+				YYERROR;
+			}
+			antispoof_opts.label = $1;
+		}
+		;
+
+not		: '!'		{ $$ = 1; }
+		| /* empty */	{ $$ = 0; }
+		;
+
+tabledef	: TABLE '<' STRING '>' table_opts {
+			struct node_host	 *h, *nh;
+			struct node_tinit	 *ti, *nti;
+
+			if (strlen($3) >= PF_TABLE_NAME_SIZE) {
+				yyerror("table name too long, max %d chars",
+				    PF_TABLE_NAME_SIZE - 1);
+				free($3);
+				YYERROR;
+			}
+			if (pf->loadopt & PFCTL_FLAG_TABLE)
+				if (process_tabledef($3, &$5)) {
+					free($3);
+					YYERROR;
+				}
+			free($3);
+			for (ti = SIMPLEQ_FIRST(&$5.init_nodes);
+			    ti != SIMPLEQ_END(&$5.init_nodes); ti = nti) {
+				if (ti->file)
+					free(ti->file);
+				for (h = ti->host; h != NULL; h = nh) {
+					nh = h->next;
+					free(h);
+				}
+				nti = SIMPLEQ_NEXT(ti, entries);
+				free(ti);
+			}
+		}
+		;
+
+table_opts	:	{
+			bzero(&table_opts, sizeof table_opts);
+			SIMPLEQ_INIT(&table_opts.init_nodes);
+		}
+		    table_opts_l
+			{ $$ = table_opts; }
+		| /* empty */
+			{
+			bzero(&table_opts, sizeof table_opts);
+			SIMPLEQ_INIT(&table_opts.init_nodes);
+			$$ = table_opts;
+		}
+		;
+
+table_opts_l	: table_opts_l table_opt
+		| table_opt
+		;
+
+table_opt	: STRING		{
+			if (!strcmp($1, "const"))
+				table_opts.flags |= PFR_TFLAG_CONST;
+			else if (!strcmp($1, "persist"))
+				table_opts.flags |= PFR_TFLAG_PERSIST;
+			else {
+				free($1);
+				YYERROR;
+			}
+			free($1);
+		}
+		| '{' '}'		{ table_opts.init_addr = 1; }
+		| '{' host_list '}'	{
+			struct node_host	*n;
+			struct node_tinit	*ti;
+
+			for (n = $2; n != NULL; n = n->next) {
+				switch (n->addr.type) {
+				case PF_ADDR_ADDRMASK:
+					continue; /* ok */
+				case PF_ADDR_DYNIFTL:
+					yyerror("dynamic addresses are not "
+					    "permitted inside tables");
+					break;
+				case PF_ADDR_TABLE:
+					yyerror("tables cannot contain tables");
+					break;
+				case PF_ADDR_NOROUTE:
+					yyerror("\"no-route\" is not permitted "
+					    "inside tables");
+					break;
+				default:
+					yyerror("unknown address type %d",
+					    n->addr.type);
+				}
+				YYERROR;
+			}
+			if (!(ti = calloc(1, sizeof(*ti))))
+				err(1, "table_opt: calloc");
+			ti->host = $2;
+			SIMPLEQ_INSERT_TAIL(&table_opts.init_nodes, ti,
+			    entries);
+			table_opts.init_addr = 1;
+		}
+		| FILENAME STRING	{
+			struct node_tinit	*ti;
+
+			if (!(ti = calloc(1, sizeof(*ti))))
+				err(1, "table_opt: calloc");
+			ti->file = $2;
+			SIMPLEQ_INSERT_TAIL(&table_opts.init_nodes, ti,
+			    entries);
+			table_opts.init_addr = 1;
+		}
+		;
+
+altqif		: ALTQ interface queue_opts QUEUE qassign {
+			struct pf_altq	a;
+
+			if (check_rulestate(PFCTL_STATE_QUEUE))
+				YYERROR;
+
+			memset(&a, 0, sizeof(a));
+			if ($3.scheduler.qtype == ALTQT_NONE) {
+				yyerror("no scheduler specified!");
+				YYERROR;
+			}
+			a.scheduler = $3.scheduler.qtype;
+			a.qlimit = $3.qlimit;
+			a.tbrsize = $3.tbrsize;
+			if ($5 == NULL) {
+				yyerror("no child queues specified");
+				YYERROR;
+			}
+			if (expand_altq(&a, $2, $5, $3.queue_bwspec,
+			    &$3.scheduler))
+				YYERROR;
+		}
+		;
+
+queuespec	: QUEUE STRING interface queue_opts qassign {
+			struct pf_altq	a;
+
+			if (check_rulestate(PFCTL_STATE_QUEUE)) {
+				free($2);
+				YYERROR;
+			}
+
+			memset(&a, 0, sizeof(a));
+
+			if (strlcpy(a.qname, $2, sizeof(a.qname)) >=
+			    sizeof(a.qname)) {
+				yyerror("queue name too long (max "
+				    "%d chars)", PF_QNAME_SIZE-1);
+				free($2);
+				YYERROR;
+			}
+			free($2);
+			if ($4.tbrsize) {
+				yyerror("cannot specify tbrsize for queue");
+				YYERROR;
+			}
+			if ($4.priority > 255) {
+				yyerror("priority out of range: max 255");
+				YYERROR;
+			}
+			a.priority = $4.priority;
+			a.qlimit = $4.qlimit;
+			a.scheduler = $4.scheduler.qtype;
+			if (expand_queue(&a, $3, $5, $4.queue_bwspec,
+			    &$4.scheduler)) {
+				yyerror("errors in queue definition");
+				YYERROR;
+			}
+		}
+		;
+
+queue_opts	:	{
+			bzero(&queue_opts, sizeof queue_opts);
+			queue_opts.priority = DEFAULT_PRIORITY;
+			queue_opts.qlimit = DEFAULT_QLIMIT;
+			queue_opts.scheduler.qtype = ALTQT_NONE;
+			queue_opts.queue_bwspec.bw_percent = 100;
+		}
+		    queue_opts_l
+			{ $$ = queue_opts; }
+		| /* empty */ {
+			bzero(&queue_opts, sizeof queue_opts);
+			queue_opts.priority = DEFAULT_PRIORITY;
+			queue_opts.qlimit = DEFAULT_QLIMIT;
+			queue_opts.scheduler.qtype = ALTQT_NONE;
+			queue_opts.queue_bwspec.bw_percent = 100;
+			$$ = queue_opts;
+		}
+		;
+
+queue_opts_l	: queue_opts_l queue_opt
+		| queue_opt
+		;
+
+queue_opt	: BANDWIDTH bandwidth	{
+			if (queue_opts.marker & QOM_BWSPEC) {
+				yyerror("bandwidth cannot be respecified");
+				YYERROR;
+			}
+			queue_opts.marker |= QOM_BWSPEC;
+			queue_opts.queue_bwspec = $2;
+		}
+		| PRIORITY number	{
+			if (queue_opts.marker & QOM_PRIORITY) {
+				yyerror("priority cannot be respecified");
+				YYERROR;
+			}
+			if ($2 > 255) {
+				yyerror("priority out of range: max 255");
+				YYERROR;
+			}
+			queue_opts.marker |= QOM_PRIORITY;
+			queue_opts.priority = $2;
+		}
+		| QLIMIT number	{
+			if (queue_opts.marker & QOM_QLIMIT) {
+				yyerror("qlimit cannot be respecified");
+				YYERROR;
+			}
+			if ($2 > 65535) {
+				yyerror("qlimit out of range: max 65535");
+				YYERROR;
+			}
+			queue_opts.marker |= QOM_QLIMIT;
+			queue_opts.qlimit = $2;
+		}
+		| scheduler	{
+			if (queue_opts.marker & QOM_SCHEDULER) {
+				yyerror("scheduler cannot be respecified");
+				YYERROR;
+			}
+			queue_opts.marker |= QOM_SCHEDULER;
+			queue_opts.scheduler = $1;
+		}
+		| TBRSIZE number	{
+			if (queue_opts.marker & QOM_TBRSIZE) {
+				yyerror("tbrsize cannot be respecified");
+				YYERROR;
+			}
+			if ($2 > 65535) {
+				yyerror("tbrsize too big: max 65535");
+				YYERROR;
+			}
+			queue_opts.marker |= QOM_TBRSIZE;
+			queue_opts.tbrsize = $2;
+		}
+		;
+
+bandwidth	: STRING {
+			double	 bps;
+			char	*cp;
+
+			$$.bw_percent = 0;
+
+			bps = strtod($1, &cp);
+			if (cp != NULL) {
+				if (!strcmp(cp, "b"))
+					; /* nothing */
+				else if (!strcmp(cp, "Kb"))
+					bps *= 1000;
+				else if (!strcmp(cp, "Mb"))
+					bps *= 1000 * 1000;
+				else if (!strcmp(cp, "Gb"))
+					bps *= 1000 * 1000 * 1000;
+				else if (!strcmp(cp, "%")) {
+					if (bps < 0 || bps > 100) {
+						yyerror("bandwidth spec "
+						    "out of range");
+						free($1);
+						YYERROR;
+					}
+					$$.bw_percent = bps;
+					bps = 0;
+				} else {
+					yyerror("unknown unit %s", cp);
+					free($1);
+					YYERROR;
+				}
+			}
+			free($1);
+			$$.bw_absolute = (u_int32_t)bps;
+		}
+		;
+
+scheduler	: CBQ				{
+			$$.qtype = ALTQT_CBQ;
+			$$.data.cbq_opts.flags = 0;
+		}
+		| CBQ '(' cbqflags_list ')'	{
+			$$.qtype = ALTQT_CBQ;
+			$$.data.cbq_opts.flags = $3;
+		}
+		| PRIQ				{
+			$$.qtype = ALTQT_PRIQ;
+			$$.data.priq_opts.flags = 0;
+		}
+		| PRIQ '(' priqflags_list ')'	{
+			$$.qtype = ALTQT_PRIQ;
+			$$.data.priq_opts.flags = $3;
+		}
+		| HFSC				{
+			$$.qtype = ALTQT_HFSC;
+			bzero(&$$.data.hfsc_opts,
+			    sizeof(struct node_hfsc_opts));
+		}
+		| HFSC '(' hfsc_opts ')'	{
+			$$.qtype = ALTQT_HFSC;
+			$$.data.hfsc_opts = $3;
+		}
+		;
+
+cbqflags_list	: cbqflags_item				{ $$ |= $1; }
+		| cbqflags_list comma cbqflags_item	{ $$ |= $3; }
+		;
+
+cbqflags_item	: STRING	{
+			if (!strcmp($1, "default"))
+				$$ = CBQCLF_DEFCLASS;
+			else if (!strcmp($1, "borrow"))
+				$$ = CBQCLF_BORROW;
+			else if (!strcmp($1, "red"))
+				$$ = CBQCLF_RED;
+			else if (!strcmp($1, "ecn"))
+				$$ = CBQCLF_RED|CBQCLF_ECN;
+			else if (!strcmp($1, "rio"))
+				$$ = CBQCLF_RIO;
+			else {
+				yyerror("unknown cbq flag \"%s\"", $1);
+				free($1);
+				YYERROR;
+			}
+			free($1);
+		}
+		;
+
+priqflags_list	: priqflags_item			{ $$ |= $1; }
+		| priqflags_list comma priqflags_item	{ $$ |= $3; }
+		;
+
+priqflags_item	: STRING	{
+			if (!strcmp($1, "default"))
+				$$ = PRCF_DEFAULTCLASS;
+			else if (!strcmp($1, "red"))
+				$$ = PRCF_RED;
+			else if (!strcmp($1, "ecn"))
+				$$ = PRCF_RED|PRCF_ECN;
+			else if (!strcmp($1, "rio"))
+				$$ = PRCF_RIO;
+			else {
+				yyerror("unknown priq flag \"%s\"", $1);
+				free($1);
+				YYERROR;
+			}
+			free($1);
+		}
+		;
+
+hfsc_opts	:	{
+				bzero(&hfsc_opts,
+				    sizeof(struct node_hfsc_opts));
+			}
+		    hfscopts_list				{
+			$$ = hfsc_opts;
+		}
+		;
+
+hfscopts_list	: hfscopts_item
+		| hfscopts_list comma hfscopts_item
+		;
+
+hfscopts_item	: LINKSHARE bandwidth				{
+			if (hfsc_opts.linkshare.used) {
+				yyerror("linkshare already specified");
+				YYERROR;
+			}
+			hfsc_opts.linkshare.m2 = $2;
+			hfsc_opts.linkshare.used = 1;
+		}
+		| LINKSHARE '(' bandwidth number bandwidth ')'	{
+			if (hfsc_opts.linkshare.used) {
+				yyerror("linkshare already specified");
+				YYERROR;
+			}
+			hfsc_opts.linkshare.m1 = $3;
+			hfsc_opts.linkshare.d = $4;
+			hfsc_opts.linkshare.m2 = $5;
+			hfsc_opts.linkshare.used = 1;
+		}
+		| REALTIME bandwidth				{
+			if (hfsc_opts.realtime.used) {
+				yyerror("realtime already specified");
+				YYERROR;
+			}
+			hfsc_opts.realtime.m2 = $2;
+			hfsc_opts.realtime.used = 1;
+		}
+		| REALTIME '(' bandwidth number bandwidth ')'	{
+			if (hfsc_opts.realtime.used) {
+				yyerror("realtime already specified");
+				YYERROR;
+			}
+			hfsc_opts.realtime.m1 = $3;
+			hfsc_opts.realtime.d = $4;
+			hfsc_opts.realtime.m2 = $5;
+			hfsc_opts.realtime.used = 1;
+		}
+		| UPPERLIMIT bandwidth				{
+			if (hfsc_opts.upperlimit.used) {
+				yyerror("upperlimit already specified");
+				YYERROR;
+			}
+			hfsc_opts.upperlimit.m2 = $2;
+			hfsc_opts.upperlimit.used = 1;
+		}
+		| UPPERLIMIT '(' bandwidth number bandwidth ')'	{
+			if (hfsc_opts.upperlimit.used) {
+				yyerror("upperlimit already specified");
+				YYERROR;
+			}
+			hfsc_opts.upperlimit.m1 = $3;
+			hfsc_opts.upperlimit.d = $4;
+			hfsc_opts.upperlimit.m2 = $5;
+			hfsc_opts.upperlimit.used = 1;
+		}
+		| STRING	{
+			if (!strcmp($1, "default"))
+				hfsc_opts.flags |= HFCF_DEFAULTCLASS;
+			else if (!strcmp($1, "red"))
+				hfsc_opts.flags |= HFCF_RED;
+			else if (!strcmp($1, "ecn"))
+				hfsc_opts.flags |= HFCF_RED|HFCF_ECN;
+			else if (!strcmp($1, "rio"))
+				hfsc_opts.flags |= HFCF_RIO;
+			else {
+				yyerror("unknown hfsc flag \"%s\"", $1);
+				free($1);
+				YYERROR;
+			}
+			free($1);
+		}
+		;
+
+qassign		: /* empty */		{ $$ = NULL; }
+		| qassign_item		{ $$ = $1; }
+		| '{' qassign_list '}'	{ $$ = $2; }
+		;
+
+qassign_list	: qassign_item			{ $$ = $1; }
+		| qassign_list comma qassign_item	{
+			$1->tail->next = $3;
+			$1->tail = $3;
+			$$ = $1;
+		}
+		;
+
+qassign_item	: STRING			{
+			$$ = calloc(1, sizeof(struct node_queue));
+			if ($$ == NULL)
+				err(1, "qassign_item: calloc");
+			if (strlcpy($$->queue, $1, sizeof($$->queue)) >=
+			    sizeof($$->queue)) {
+				yyerror("queue name '%s' too long (max "
+				    "%d chars)", $1, sizeof($$->queue)-1);
+				free($1);
+				free($$);
+				YYERROR;
+			}
+			free($1);
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+pfrule		: action dir logquick interface route af proto fromto
+		    filter_opts
+		{
+			struct pf_rule		 r;
+			struct node_state_opt	*o;
+			struct node_proto	*proto;
+			int			 srctrack = 0;
+			int			 statelock = 0;
+
+			if (check_rulestate(PFCTL_STATE_FILTER))
+				YYERROR;
+
+			memset(&r, 0, sizeof(r));
+
+			r.action = $1.b1;
+			switch ($1.b2) {
+			case PFRULE_RETURNRST:
+				r.rule_flag |= PFRULE_RETURNRST;
+				r.return_ttl = $1.w;
+				break;
+			case PFRULE_RETURNICMP:
+				r.rule_flag |= PFRULE_RETURNICMP;
+				r.return_icmp = $1.w;
+				r.return_icmp6 = $1.w2;
+				break;
+			case PFRULE_RETURN:
+				r.rule_flag |= PFRULE_RETURN;
+				r.return_icmp = $1.w;
+				r.return_icmp6 = $1.w2;
+				break;
+			}
+			r.direction = $2;
+			r.log = $3.log;
+			r.quick = $3.quick;
+			r.prob = $9.prob;
+
+			r.af = $6;
+			if ($9.tag)
+				if (strlcpy(r.tagname, $9.tag,
+				    PF_TAG_NAME_SIZE) >= PF_TAG_NAME_SIZE) {
+					yyerror("tag too long, max %u chars",
+					    PF_TAG_NAME_SIZE - 1);
+					YYERROR;
+				}
+			if ($9.match_tag)
+				if (strlcpy(r.match_tagname, $9.match_tag,
+				    PF_TAG_NAME_SIZE) >= PF_TAG_NAME_SIZE) {
+					yyerror("tag too long, max %u chars",
+					    PF_TAG_NAME_SIZE - 1);
+					YYERROR;
+				}
+			r.match_tag_not = $9.match_tag_not;
+			r.flags = $9.flags.b1;
+			r.flagset = $9.flags.b2;
+			if (rule_label(&r, $9.label))
+				YYERROR;
+			free($9.label);
+			if ($9.flags.b1 || $9.flags.b2 || $8.src_os) {
+				for (proto = $7; proto != NULL &&
+				    proto->proto != IPPROTO_TCP;
+				    proto = proto->next)
+					;	/* nothing */
+				if (proto == NULL && $7 != NULL) {
+					if ($9.flags.b1 || $9.flags.b2)
+						yyerror(
+						    "flags only apply to tcp");
+					if ($8.src_os)
+						yyerror(
+						    "OS fingerprinting only "
+						    "apply to tcp");
+					YYERROR;
+				}
+#if 0
+				if (($9.flags.b1 & parse_flags("S")) == 0 &&
+				    $8.src_os) {
+					yyerror("OS fingerprinting requires "
+					    "the SYN TCP flag (flags S/SA)");
+					YYERROR;
+				}
+#endif
+			}
+
+			r.tos = $9.tos;
+			r.keep_state = $9.keep.action;
+			o = $9.keep.options;
+			while (o) {
+				struct node_state_opt	*p = o;
+
+				switch (o->type) {
+				case PF_STATE_OPT_MAX:
+					if (r.max_states) {
+						yyerror("state option 'max' "
+						    "multiple definitions");
+						YYERROR;
+					}
+					r.max_states = o->data.max_states;
+					break;
+				case PF_STATE_OPT_NOSYNC:
+					if (r.rule_flag & PFRULE_NOSYNC) {
+						yyerror("state option 'sync' "
+						    "multiple definitions");
+						YYERROR;
+					}
+					r.rule_flag |= PFRULE_NOSYNC;
+					break;
+				case PF_STATE_OPT_SRCTRACK:
+					if (srctrack) {
+						yyerror("state option "
+						    "'source-track' "
+						    "multiple definitions");
+						YYERROR;
+					}
+					srctrack =  o->data.src_track;
+					break;
+				case PF_STATE_OPT_MAX_SRC_STATES:
+					if (r.max_src_states) {
+						yyerror("state option "
+						    "'max-src-states' "
+						    "multiple definitions");
+						YYERROR;
+					}
+					if (o->data.max_src_states == 0) {
+						yyerror("'max-src-states' must "
+						    "be > 0");
+						YYERROR;
+					}
+					r.max_src_states =
+					    o->data.max_src_states;
+					r.rule_flag |= PFRULE_SRCTRACK;
+					break;
+				case PF_STATE_OPT_OVERLOAD:
+					if (r.overload_tblname[0]) {
+						yyerror("multiple 'overload' "
+						    "table definitions");
+						YYERROR;
+					}
+					if (strlcpy(r.overload_tblname,
+					    o->data.overload.tblname,
+					    PF_TABLE_NAME_SIZE) >=
+					    PF_TABLE_NAME_SIZE) {
+						yyerror("state option: "
+						    "strlcpy");
+						YYERROR;
+					}
+					if (o->data.overload.flush)
+						r.rule_flag |=
+						    PFRULE_SRCTRACK_FLUSH;
+					break;
+				case PF_STATE_OPT_MAX_SRC_CONN:
+					if (r.max_src_conn) {
+						yyerror("state option "
+						    "'max-src-conn' "
+						    "multiple definitions");
+						YYERROR;
+					}
+					if (o->data.max_src_conn == 0) {
+						yyerror("'max-src-conn' "
+						    "must be > 0");
+						YYERROR;
+					}
+					r.max_src_conn =
+					    o->data.max_src_conn;
+					r.rule_flag |= PFRULE_SRCTRACK |
+					    PFRULE_RULESRCTRACK;
+					break;
+				case PF_STATE_OPT_MAX_SRC_CONN_RATE:
+					if (r.max_src_conn_rate.limit) {
+						yyerror("state option "
+						    "'max-src-conn-rate' "
+						    "multiple definitions");
+						YYERROR;
+					}
+					if (!o->data.max_src_conn_rate.limit ||
+					    !o->data.max_src_conn_rate.seconds) {
+						yyerror("'max-src-conn-rate' "
+						    "values must be > 0");
+						YYERROR;
+					}
+					if (o->data.max_src_conn_rate.limit >
+					    PF_THRESHOLD_MAX) {
+						yyerror("'max-src-conn-rate' "
+						   "maximum rate must be < %u",
+						   PF_THRESHOLD_MAX);
+						YYERROR;
+					}
+					r.max_src_conn_rate.limit =
+					    o->data.max_src_conn_rate.limit;
+					r.max_src_conn_rate.seconds =
+					    o->data.max_src_conn_rate.seconds;
+					r.rule_flag |= PFRULE_SRCTRACK |
+					    PFRULE_RULESRCTRACK;
+					break;
+				case PF_STATE_OPT_MAX_SRC_NODES:
+					if (r.max_src_nodes) {
+						yyerror("state option "
+						    "'max-src-nodes' "
+						    "multiple definitions");
+						YYERROR;
+					}
+					if (o->data.max_src_nodes == 0) {
+						yyerror("'max-src-nodes' must "
+						    "be > 0");
+						YYERROR;
+					}
+					r.max_src_nodes =
+					    o->data.max_src_nodes;
+					r.rule_flag |= PFRULE_SRCTRACK |
+					    PFRULE_RULESRCTRACK;
+					break;
+				case PF_STATE_OPT_STATELOCK:
+					if (statelock) {
+						yyerror("state locking option: "
+						    "multiple definitions");
+						YYERROR;
+					}
+					statelock = 1;
+					r.rule_flag |= o->data.statelock;
+					break;
+				case PF_STATE_OPT_TIMEOUT:
+					if (r.timeout[o->data.timeout.number]) {
+						yyerror("state timeout %s "
+						    "multiple definitions",
+						    pf_timeouts[o->data.
+						    timeout.number].name);
+						YYERROR;
+					}
+					r.timeout[o->data.timeout.number] =
+					    o->data.timeout.seconds;
+				}
+				o = o->next;
+				free(p);
+			}
+			if (r.rule_flag & PFRULE_SRCTRACK) {
+				if (srctrack == PF_SRCTRACK_GLOBAL &&
+				    r.max_src_nodes) {
+					yyerror("'max-src-nodes' is "
+					    "incompatible with "
+					    "'source-track global'");
+					YYERROR;
+				}
+				if (srctrack == PF_SRCTRACK_GLOBAL &&
+				    r.max_src_nodes) {
+					yyerror("'max-src-conn' is "
+					    "incompatible with "
+					    "'source-track global'");
+					YYERROR;
+				}
+				if (srctrack == PF_SRCTRACK_GLOBAL &&
+				    r.max_src_nodes) {
+					yyerror("'max-src-conn-rate' is "
+					    "incompatible with "
+					    "'source-track global'");
+					YYERROR;
+				}
+				if (r.timeout[PFTM_SRC_NODE] <
+				    r.max_src_conn_rate.seconds)
+					r.timeout[PFTM_SRC_NODE] = 
+					    r.max_src_conn_rate.seconds;
+				r.rule_flag |= PFRULE_SRCTRACK;
+				if (srctrack == PF_SRCTRACK_RULE)
+					r.rule_flag |= PFRULE_RULESRCTRACK;
+			}
+			if (r.keep_state && !statelock)
+				r.rule_flag |= default_statelock;
+
+			if ($9.fragment)
+				r.rule_flag |= PFRULE_FRAGMENT;
+			r.allow_opts = $9.allowopts;
+
+			decide_address_family($8.src.host, &r.af);
+			decide_address_family($8.dst.host, &r.af);
+
+			if ($5.rt) {
+				if (!r.direction) {
+					yyerror("direction must be explicit "
+					    "with rules that specify routing");
+					YYERROR;
+				}
+				r.rt = $5.rt;
+				r.rpool.opts = $5.pool_opts;
+				if ($5.key != NULL)
+					memcpy(&r.rpool.key, $5.key,
+					    sizeof(struct pf_poolhashkey));
+			}
+			if (r.rt && r.rt != PF_FASTROUTE) {
+				decide_address_family($5.host, &r.af);
+				remove_invalid_hosts(&$5.host, &r.af);
+				if ($5.host == NULL) {
+					yyerror("no routing address with "
+					    "matching address family found.");
+					YYERROR;
+				}
+				if ((r.rpool.opts & PF_POOL_TYPEMASK) ==
+				    PF_POOL_NONE && ($5.host->next != NULL ||
+				    $5.host->addr.type == PF_ADDR_TABLE ||
+				    DYNIF_MULTIADDR($5.host->addr)))
+					r.rpool.opts |= PF_POOL_ROUNDROBIN;
+				if ((r.rpool.opts & PF_POOL_TYPEMASK) !=
+				    PF_POOL_ROUNDROBIN &&
+				    disallow_table($5.host, "tables are only "
+				    "supported in round-robin routing pools"))
+					YYERROR;
+				if ((r.rpool.opts & PF_POOL_TYPEMASK) !=
+				    PF_POOL_ROUNDROBIN &&
+				    disallow_alias($5.host, "interface (%s) "
+				    "is only supported in round-robin "
+				    "routing pools"))
+					YYERROR;
+				if ($5.host->next != NULL) {
+					if ((r.rpool.opts & PF_POOL_TYPEMASK) !=
+					    PF_POOL_ROUNDROBIN) {
+						yyerror("r.rpool.opts must "
+						    "be PF_POOL_ROUNDROBIN");
+						YYERROR;
+					}
+				}
+			}
+			if ($9.queues.qname != NULL) {
+				if (strlcpy(r.qname, $9.queues.qname,
+				    sizeof(r.qname)) >= sizeof(r.qname)) {
+					yyerror("rule qname too long (max "
+					    "%d chars)", sizeof(r.qname)-1);
+					YYERROR;
+				}
+				free($9.queues.qname);
+			}
+			if ($9.queues.pqname != NULL) {
+				if (strlcpy(r.pqname, $9.queues.pqname,
+				    sizeof(r.pqname)) >= sizeof(r.pqname)) {
+					yyerror("rule pqname too long (max "
+					    "%d chars)", sizeof(r.pqname)-1);
+					YYERROR;
+				}
+				free($9.queues.pqname);
+			}
+
+			expand_rule(&r, $4, $5.host, $7, $8.src_os,
+			    $8.src.host, $8.src.port, $8.dst.host, $8.dst.port,
+			    $9.uid, $9.gid, $9.icmpspec, "");
+		}
+		;
+
+filter_opts	:	{ bzero(&filter_opts, sizeof filter_opts); }
+		    filter_opts_l
+			{ $$ = filter_opts; }
+		| /* empty */	{
+			bzero(&filter_opts, sizeof filter_opts);
+			$$ = filter_opts;
+		}
+		;
+
+filter_opts_l	: filter_opts_l filter_opt
+		| filter_opt
+		;
+
+filter_opt	: USER uids {
+			if (filter_opts.uid)
+				$2->tail->next = filter_opts.uid;
+			filter_opts.uid = $2;
+		}
+		| GROUP gids {
+			if (filter_opts.gid)
+				$2->tail->next = filter_opts.gid;
+			filter_opts.gid = $2;
+		}
+		| flags {
+			if (filter_opts.marker & FOM_FLAGS) {
+				yyerror("flags cannot be redefined");
+				YYERROR;
+			}
+			filter_opts.marker |= FOM_FLAGS;
+			filter_opts.flags.b1 |= $1.b1;
+			filter_opts.flags.b2 |= $1.b2;
+			filter_opts.flags.w |= $1.w;
+			filter_opts.flags.w2 |= $1.w2;
+		}
+		| icmpspec {
+			if (filter_opts.marker & FOM_ICMP) {
+				yyerror("icmp-type cannot be redefined");
+				YYERROR;
+			}
+			filter_opts.marker |= FOM_ICMP;
+			filter_opts.icmpspec = $1;
+		}
+		| tos {
+			if (filter_opts.marker & FOM_TOS) {
+				yyerror("tos cannot be redefined");
+				YYERROR;
+			}
+			filter_opts.marker |= FOM_TOS;
+			filter_opts.tos = $1;
+		}
+		| keep {
+			if (filter_opts.marker & FOM_KEEP) {
+				yyerror("modulate or keep cannot be redefined");
+				YYERROR;
+			}
+			filter_opts.marker |= FOM_KEEP;
+			filter_opts.keep.action = $1.action;
+			filter_opts.keep.options = $1.options;
+		}
+		| FRAGMENT {
+			filter_opts.fragment = 1;
+		}
+		| ALLOWOPTS {
+			filter_opts.allowopts = 1;
+		}
+		| label	{
+			if (filter_opts.label) {
+				yyerror("label cannot be redefined");
+				YYERROR;
+			}
+			filter_opts.label = $1;
+		}
+		| qname	{
+			if (filter_opts.queues.qname) {
+				yyerror("queue cannot be redefined");
+				YYERROR;
+			}
+			filter_opts.queues = $1;
+		}
+		| TAG string				{
+			filter_opts.tag = $2;
+		}
+		| not TAGGED string			{
+			filter_opts.match_tag = $3;
+			filter_opts.match_tag_not = $1;
+		}
+		| PROBABILITY STRING			{
+			char	*e;
+			double	 p = strtod($2, &e);
+
+			if (*e == '%') {
+				p *= 0.01;
+				e++;
+			}
+			if (*e) {
+				yyerror("invalid probability: %s", $2);
+				YYERROR;
+			}
+			p = floor(p * (UINT_MAX+1.0) + 0.5);
+			if (p < 1.0 || p >= (UINT_MAX+1.0)) {
+				yyerror("invalid probability: %s", $2);
+				YYERROR;
+			}
+			filter_opts.prob = (u_int32_t)p;
+			free($2);
+		}
+		;
+
+action		: PASS			{ $$.b1 = PF_PASS; $$.b2 = $$.w = 0; }
+		| BLOCK blockspec	{ $$ = $2; $$.b1 = PF_DROP; }
+		;
+
+blockspec	: /* empty */		{
+			$$.b2 = blockpolicy;
+			$$.w = returnicmpdefault;
+			$$.w2 = returnicmp6default;
+		}
+		| DROP			{
+			$$.b2 = PFRULE_DROP;
+			$$.w = 0;
+			$$.w2 = 0;
+		}
+		| RETURNRST		{
+			$$.b2 = PFRULE_RETURNRST;
+			$$.w = 0;
+			$$.w2 = 0;
+		}
+		| RETURNRST '(' TTL number ')'	{
+			if ($4 > 255) {
+				yyerror("illegal ttl value %d", $4);
+				YYERROR;
+			}
+			$$.b2 = PFRULE_RETURNRST;
+			$$.w = $4;
+			$$.w2 = 0;
+		}
+		| RETURNICMP		{
+			$$.b2 = PFRULE_RETURNICMP;
+			$$.w = returnicmpdefault;
+			$$.w2 = returnicmp6default;
+		}
+		| RETURNICMP6		{
+			$$.b2 = PFRULE_RETURNICMP;
+			$$.w = returnicmpdefault;
+			$$.w2 = returnicmp6default;
+		}
+		| RETURNICMP '(' STRING ')'	{
+			$$.b2 = PFRULE_RETURNICMP;
+			if (!($$.w = parseicmpspec($3, AF_INET))) {
+				free($3);
+				YYERROR;
+			}
+			free($3);
+			$$.w2 = returnicmp6default;
+		}
+		| RETURNICMP6 '(' STRING ')'	{
+			$$.b2 = PFRULE_RETURNICMP;
+			$$.w = returnicmpdefault;
+			if (!($$.w2 = parseicmpspec($3, AF_INET6))) {
+				free($3);
+				YYERROR;
+			}
+			free($3);
+		}
+		| RETURNICMP '(' STRING comma STRING ')' {
+			$$.b2 = PFRULE_RETURNICMP;
+			if (!($$.w = parseicmpspec($3, AF_INET)) ||
+			    !($$.w2 = parseicmpspec($5, AF_INET6))) {
+				free($3);
+				free($5);
+				YYERROR;
+			}
+			free($3);
+			free($5);
+		}
+		| RETURN {
+			$$.b2 = PFRULE_RETURN;
+			$$.w = returnicmpdefault;
+			$$.w2 = returnicmp6default;
+		}
+		;
+
+dir		: /* empty */			{ $$ = 0; }
+		| IN				{ $$ = PF_IN; }
+		| OUT				{ $$ = PF_OUT; }
+		;
+
+logquick	: /* empty */			{ $$.log = 0; $$.quick = 0; }
+		| log				{ $$.log = $1; $$.quick = 0; }
+		| QUICK				{ $$.log = 0; $$.quick = 1; }
+		| log QUICK			{ $$.log = $1; $$.quick = 1; }
+		| QUICK log			{ $$.log = $2; $$.quick = 1; }
+		;
+
+log		: LOG				{ $$ = 1; }
+		| LOGALL			{ $$ = 2; }
+		;
+
+interface	: /* empty */			{ $$ = NULL; }
+		| ON if_item_not		{ $$ = $2; }
+		| ON '{' if_list '}'		{ $$ = $3; }
+		;
+
+if_list		: if_item_not			{ $$ = $1; }
+		| if_list comma if_item_not	{
+			$1->tail->next = $3;
+			$1->tail = $3;
+			$$ = $1;
+		}
+		;
+
+if_item_not	: not if_item			{ $$ = $2; $$->not = $1; }
+		;
+
+if_item		: STRING			{
+			struct node_host	*n;
+
+			$$ = calloc(1, sizeof(struct node_if));
+			if ($$ == NULL)
+				err(1, "if_item: calloc");
+			if (strlcpy($$->ifname, $1, sizeof($$->ifname)) >=
+			    sizeof($$->ifname)) {
+				free($1);
+				free($$);
+				yyerror("interface name too long");
+				YYERROR;
+			}
+
+			if ((n = ifa_exists($1, 1)) != NULL)
+				$$->ifa_flags = n->ifa_flags;
+
+			free($1);
+			$$->not = 0;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+af		: /* empty */			{ $$ = 0; }
+		| INET				{ $$ = AF_INET; }
+		| INET6				{ $$ = AF_INET6; }
+		;
+
+proto		: /* empty */			{ $$ = NULL; }
+		| PROTO proto_item		{ $$ = $2; }
+		| PROTO '{' proto_list '}'	{ $$ = $3; }
+		;
+
+proto_list	: proto_item			{ $$ = $1; }
+		| proto_list comma proto_item	{
+			$1->tail->next = $3;
+			$1->tail = $3;
+			$$ = $1;
+		}
+		;
+
+proto_item	: STRING			{
+			u_int8_t	pr;
+			u_long		ulval;
+
+			if (atoul($1, &ulval) == 0) {
+				if (ulval > 255) {
+					yyerror("protocol outside range");
+					free($1);
+					YYERROR;
+				}
+				pr = (u_int8_t)ulval;
+			} else {
+				struct protoent	*p;
+
+				p = getprotobyname($1);
+				if (p == NULL) {
+					yyerror("unknown protocol %s", $1);
+					free($1);
+					YYERROR;
+				}
+				pr = p->p_proto;
+			}
+			free($1);
+			if (pr == 0) {
+				yyerror("proto 0 cannot be used");
+				YYERROR;
+			}
+			$$ = calloc(1, sizeof(struct node_proto));
+			if ($$ == NULL)
+				err(1, "proto_item: calloc");
+			$$->proto = pr;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+fromto		: ALL				{
+			$$.src.host = NULL;
+			$$.src.port = NULL;
+			$$.dst.host = NULL;
+			$$.dst.port = NULL;
+			$$.src_os = NULL;
+		}
+		| from os to			{
+			$$.src = $1;
+			$$.src_os = $2;
+			$$.dst = $3;
+		}
+		;
+
+os		: /* empty */			{ $$ = NULL; }
+		| OS xos			{ $$ = $2; }
+		| OS '{' os_list '}'		{ $$ = $3; }
+		;
+
+xos		: STRING {
+			$$ = calloc(1, sizeof(struct node_os));
+			if ($$ == NULL)
+				err(1, "os: calloc");
+			$$->os = $1;
+			$$->tail = $$;
+		}
+		;
+
+os_list		: xos				{ $$ = $1; }
+		| os_list comma xos		{
+			$1->tail->next = $3;
+			$1->tail = $3;
+			$$ = $1;
+		}
+		;
+
+from		: /* empty */			{
+			$$.host = NULL;
+			$$.port = NULL;
+		}
+		| FROM ipportspec		{
+			$$ = $2;
+		}
+		;
+
+to		: /* empty */			{
+			$$.host = NULL;
+			$$.port = NULL;
+		}
+		| TO ipportspec		{
+			$$ = $2;
+		}
+		;
+
+ipportspec	: ipspec			{
+			$$.host = $1;
+			$$.port = NULL;
+		}
+		| ipspec PORT portspec		{
+			$$.host = $1;
+			$$.port = $3;
+		}
+		| PORT portspec			{
+			$$.host = NULL;
+			$$.port = $2;
+		}
+		;
+
+ipspec		: ANY				{ $$ = NULL; }
+		| xhost				{ $$ = $1; }
+		| '{' host_list '}'		{ $$ = $2; }
+		;
+
+host_list	: xhost				{ $$ = $1; }
+		| host_list comma xhost		{
+			if ($3 == NULL)
+				$$ = $1;
+			else if ($1 == NULL)
+				$$ = $3;
+			else {
+				$1->tail->next = $3;
+				$1->tail = $3->tail;
+				$$ = $1;
+			}
+		}
+		;
+
+xhost		: not host			{
+			struct node_host	*n;
+
+			for (n = $2; n != NULL; n = n->next)
+				n->not = $1;
+			$$ = $2;
+		}
+		| NOROUTE			{
+			$$ = calloc(1, sizeof(struct node_host));
+			if ($$ == NULL)
+				err(1, "xhost: calloc");
+			$$->addr.type = PF_ADDR_NOROUTE;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+host		: STRING			{
+			if (($$ = host($1)) == NULL)	{
+				/* error. "any" is handled elsewhere */
+				free($1);
+				yyerror("could not parse host specification");
+				YYERROR;
+			}
+			free($1);
+
+		}
+		| STRING '/' number		{
+			char	*buf;
+
+			if (asprintf(&buf, "%s/%u", $1, $3) == -1)
+				err(1, "host: asprintf");
+			free($1);
+			if (($$ = host(buf)) == NULL)	{
+				/* error. "any" is handled elsewhere */
+				free(buf);
+				yyerror("could not parse host specification");
+				YYERROR;
+			}
+			free(buf);
+		}
+		| dynaddr
+		| dynaddr '/' number		{
+			struct node_host	*n;
+
+			$$ = $1;
+			for (n = $1; n != NULL; n = n->next)
+				set_ipmask(n, $3);
+		}
+		| '<' STRING '>'	{
+			if (strlen($2) >= PF_TABLE_NAME_SIZE) {
+				yyerror("table name '%s' too long", $2);
+				free($2);
+				YYERROR;
+			}
+			$$ = calloc(1, sizeof(struct node_host));
+			if ($$ == NULL)
+				err(1, "host: calloc");
+			$$->addr.type = PF_ADDR_TABLE;
+			if (strlcpy($$->addr.v.tblname, $2,
+			    sizeof($$->addr.v.tblname)) >=
+			    sizeof($$->addr.v.tblname))
+				errx(1, "host: strlcpy");
+			free($2);
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+number		: STRING			{
+			u_long	ulval;
+
+			if (atoul($1, &ulval) == -1) {
+				yyerror("%s is not a number", $1);
+				free($1);
+				YYERROR;
+			} else
+				$$ = ulval;
+			free($1);
+		}
+		;
+
+dynaddr		: '(' STRING ')'		{
+			int	 flags = 0;
+			char	*p, *op;
+
+			op = $2;
+			while ((p = strrchr($2, ':')) != NULL) {
+				if (!strcmp(p+1, "network"))
+					flags |= PFI_AFLAG_NETWORK;
+				else if (!strcmp(p+1, "broadcast"))
+					flags |= PFI_AFLAG_BROADCAST;
+				else if (!strcmp(p+1, "peer"))
+					flags |= PFI_AFLAG_PEER;
+				else if (!strcmp(p+1, "0"))
+					flags |= PFI_AFLAG_NOALIAS;
+				else {
+					yyerror("interface %s has bad modifier",
+					    $2);
+					free(op);
+					YYERROR;
+				}
+				*p = '\0';
+			}
+			if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) {
+				free(op);
+				yyerror("illegal combination of "
+				    "interface modifiers");
+				YYERROR;
+			}
+			$$ = calloc(1, sizeof(struct node_host));
+			if ($$ == NULL)
+				err(1, "address: calloc");
+			$$->af = 0;
+			set_ipmask($$, 128);
+			$$->addr.type = PF_ADDR_DYNIFTL;
+			$$->addr.iflags = flags;
+			if (strlcpy($$->addr.v.ifname, $2,
+			    sizeof($$->addr.v.ifname)) >=
+			    sizeof($$->addr.v.ifname)) {
+				free(op);
+				free($$);
+				yyerror("interface name too long");
+				YYERROR;
+			}
+			free(op);
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+portspec	: port_item			{ $$ = $1; }
+		| '{' port_list '}'		{ $$ = $2; }
+		;
+
+port_list	: port_item			{ $$ = $1; }
+		| port_list comma port_item	{
+			$1->tail->next = $3;
+			$1->tail = $3;
+			$$ = $1;
+		}
+		;
+
+port_item	: port				{
+			$$ = calloc(1, sizeof(struct node_port));
+			if ($$ == NULL)
+				err(1, "port_item: calloc");
+			$$->port[0] = $1.a;
+			$$->port[1] = $1.b;
+			if ($1.t)
+				$$->op = PF_OP_RRG;
+			else
+				$$->op = PF_OP_EQ;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| unaryop port		{
+			if ($2.t) {
+				yyerror("':' cannot be used with an other "
+				    "port operator");
+				YYERROR;
+			}
+			$$ = calloc(1, sizeof(struct node_port));
+			if ($$ == NULL)
+				err(1, "port_item: calloc");
+			$$->port[0] = $2.a;
+			$$->port[1] = $2.b;
+			$$->op = $1;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| port PORTBINARY port		{
+			if ($1.t || $3.t) {
+				yyerror("':' cannot be used with an other "
+				    "port operator");
+				YYERROR;
+			}
+			$$ = calloc(1, sizeof(struct node_port));
+			if ($$ == NULL)
+				err(1, "port_item: calloc");
+			$$->port[0] = $1.a;
+			$$->port[1] = $3.a;
+			$$->op = $2;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+port		: STRING			{
+			char	*p = strchr($1, ':');
+			struct servent	*s = NULL;
+			u_long		 ulval;
+
+			if (p == NULL) {
+				if (atoul($1, &ulval) == 0) {
+					if (ulval > 65535) {
+						free($1);
+						yyerror("illegal port value %d",
+						    ulval);
+						YYERROR;
+					}
+					$$.a = htons(ulval);
+				} else {
+					s = getservbyname($1, "tcp");
+					if (s == NULL)
+						s = getservbyname($1, "udp");
+					if (s == NULL) {
+						yyerror("unknown port %s", $1);
+						free($1);
+						YYERROR;
+					}
+					$$.a = s->s_port;
+				}
+				$$.b = 0;
+				$$.t = 0;
+			} else {
+				int port[2];
+
+				*p++ = 0;
+				if ((port[0] = getservice($1)) == -1 ||
+				    (port[1] = getservice(p)) == -1) {
+					free($1);
+					YYERROR;
+				}
+				$$.a = port[0];
+				$$.b = port[1];
+				$$.t = PF_OP_RRG;
+			}
+			free($1);
+		}
+		;
+
+uids		: uid_item			{ $$ = $1; }
+		| '{' uid_list '}'		{ $$ = $2; }
+		;
+
+uid_list	: uid_item			{ $$ = $1; }
+		| uid_list comma uid_item	{
+			$1->tail->next = $3;
+			$1->tail = $3;
+			$$ = $1;
+		}
+		;
+
+uid_item	: uid				{
+			$$ = calloc(1, sizeof(struct node_uid));
+			if ($$ == NULL)
+				err(1, "uid_item: calloc");
+			$$->uid[0] = $1;
+			$$->uid[1] = $1;
+			$$->op = PF_OP_EQ;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| unaryop uid			{
+			if ($2 == UID_MAX && $1 != PF_OP_EQ && $1 != PF_OP_NE) {
+				yyerror("user unknown requires operator = or "
+				    "!=");
+				YYERROR;
+			}
+			$$ = calloc(1, sizeof(struct node_uid));
+			if ($$ == NULL)
+				err(1, "uid_item: calloc");
+			$$->uid[0] = $2;
+			$$->uid[1] = $2;
+			$$->op = $1;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| uid PORTBINARY uid		{
+			if ($1 == UID_MAX || $3 == UID_MAX) {
+				yyerror("user unknown requires operator = or "
+				    "!=");
+				YYERROR;
+			}
+			$$ = calloc(1, sizeof(struct node_uid));
+			if ($$ == NULL)
+				err(1, "uid_item: calloc");
+			$$->uid[0] = $1;
+			$$->uid[1] = $3;
+			$$->op = $2;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+uid		: STRING			{
+			u_long	ulval;
+
+			if (atoul($1, &ulval) == -1) {
+				if (!strcmp($1, "unknown"))
+					$$ = UID_MAX;
+				else {
+					struct passwd	*pw;
+
+					if ((pw = getpwnam($1)) == NULL) {
+						yyerror("unknown user %s", $1);
+						free($1);
+						YYERROR;
+					}
+					$$ = pw->pw_uid;
+				}
+			} else {
+				if (ulval >= UID_MAX) {
+					free($1);
+					yyerror("illegal uid value %lu", ulval);
+					YYERROR;
+				}
+				$$ = ulval;
+			}
+			free($1);
+		}
+		;
+
+gids		: gid_item			{ $$ = $1; }
+		| '{' gid_list '}'		{ $$ = $2; }
+		;
+
+gid_list	: gid_item			{ $$ = $1; }
+		| gid_list comma gid_item	{
+			$1->tail->next = $3;
+			$1->tail = $3;
+			$$ = $1;
+		}
+		;
+
+gid_item	: gid				{
+			$$ = calloc(1, sizeof(struct node_gid));
+			if ($$ == NULL)
+				err(1, "gid_item: calloc");
+			$$->gid[0] = $1;
+			$$->gid[1] = $1;
+			$$->op = PF_OP_EQ;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| unaryop gid			{
+			if ($2 == GID_MAX && $1 != PF_OP_EQ && $1 != PF_OP_NE) {
+				yyerror("group unknown requires operator = or "
+				    "!=");
+				YYERROR;
+			}
+			$$ = calloc(1, sizeof(struct node_gid));
+			if ($$ == NULL)
+				err(1, "gid_item: calloc");
+			$$->gid[0] = $2;
+			$$->gid[1] = $2;
+			$$->op = $1;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| gid PORTBINARY gid		{
+			if ($1 == GID_MAX || $3 == GID_MAX) {
+				yyerror("group unknown requires operator = or "
+				    "!=");
+				YYERROR;
+			}
+			$$ = calloc(1, sizeof(struct node_gid));
+			if ($$ == NULL)
+				err(1, "gid_item: calloc");
+			$$->gid[0] = $1;
+			$$->gid[1] = $3;
+			$$->op = $2;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+gid		: STRING			{
+			u_long	ulval;
+
+			if (atoul($1, &ulval) == -1) {
+				if (!strcmp($1, "unknown"))
+					$$ = GID_MAX;
+				else {
+					struct group	*grp;
+
+					if ((grp = getgrnam($1)) == NULL) {
+						yyerror("unknown group %s", $1);
+						free($1);
+						YYERROR;
+					}
+					$$ = grp->gr_gid;
+				}
+			} else {
+				if (ulval >= GID_MAX) {
+					yyerror("illegal gid value %lu", ulval);
+					free($1);
+					YYERROR;
+				}
+				$$ = ulval;
+			}
+			free($1);
+		}
+		;
+
+flag		: STRING			{
+			int	f;
+
+			if ((f = parse_flags($1)) < 0) {
+				yyerror("bad flags %s", $1);
+				free($1);
+				YYERROR;
+			}
+			free($1);
+			$$.b1 = f;
+		}
+		;
+
+flags		: FLAGS flag '/' flag	{ $$.b1 = $2.b1; $$.b2 = $4.b1; }
+		| FLAGS '/' flag	{ $$.b1 = 0; $$.b2 = $3.b1; }
+		;
+
+icmpspec	: ICMPTYPE icmp_item		{ $$ = $2; }
+		| ICMPTYPE '{' icmp_list '}'	{ $$ = $3; }
+		| ICMP6TYPE icmp6_item		{ $$ = $2; }
+		| ICMP6TYPE '{' icmp6_list '}'	{ $$ = $3; }
+		;
+
+icmp_list	: icmp_item			{ $$ = $1; }
+		| icmp_list comma icmp_item	{
+			$1->tail->next = $3;
+			$1->tail = $3;
+			$$ = $1;
+		}
+		;
+
+icmp6_list	: icmp6_item			{ $$ = $1; }
+		| icmp6_list comma icmp6_item	{
+			$1->tail->next = $3;
+			$1->tail = $3;
+			$$ = $1;
+		}
+		;
+
+icmp_item	: icmptype		{
+			$$ = calloc(1, sizeof(struct node_icmp));
+			if ($$ == NULL)
+				err(1, "icmp_item: calloc");
+			$$->type = $1;
+			$$->code = 0;
+			$$->proto = IPPROTO_ICMP;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| icmptype CODE STRING	{
+			const struct icmpcodeent	*p;
+			u_long				 ulval;
+
+			if (atoul($3, &ulval) == 0) {
+				if (ulval > 255) {
+					free($3);
+					yyerror("illegal icmp-code %d", ulval);
+					YYERROR;
+				}
+			} else {
+				if ((p = geticmpcodebyname($1-1, $3,
+				    AF_INET)) == NULL) {
+					yyerror("unknown icmp-code %s", $3);
+					free($3);
+					YYERROR;
+				}
+				ulval = p->code;
+			}
+			free($3);
+			$$ = calloc(1, sizeof(struct node_icmp));
+			if ($$ == NULL)
+				err(1, "icmp_item: calloc");
+			$$->type = $1;
+			$$->code = ulval + 1;
+			$$->proto = IPPROTO_ICMP;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+icmp6_item	: icmp6type		{
+			$$ = calloc(1, sizeof(struct node_icmp));
+			if ($$ == NULL)
+				err(1, "icmp_item: calloc");
+			$$->type = $1;
+			$$->code = 0;
+			$$->proto = IPPROTO_ICMPV6;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| icmp6type CODE STRING	{
+			const struct icmpcodeent	*p;
+			u_long				 ulval;
+
+			if (atoul($3, &ulval) == 0) {
+				if (ulval > 255) {
+					yyerror("illegal icmp6-code %ld",
+					    ulval);
+					free($3);
+					YYERROR;
+				}
+			} else {
+				if ((p = geticmpcodebyname($1-1, $3,
+				    AF_INET6)) == NULL) {
+					yyerror("unknown icmp6-code %s", $3);
+					free($3);
+					YYERROR;
+				}
+				ulval = p->code;
+			}
+			free($3);
+			$$ = calloc(1, sizeof(struct node_icmp));
+			if ($$ == NULL)
+				err(1, "icmp_item: calloc");
+			$$->type = $1;
+			$$->code = ulval + 1;
+			$$->proto = IPPROTO_ICMPV6;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+icmptype	: STRING			{
+			const struct icmptypeent	*p;
+			u_long				 ulval;
+
+			if (atoul($1, &ulval) == 0) {
+				if (ulval > 255) {
+					yyerror("illegal icmp-type %d", ulval);
+					free($1);
+					YYERROR;
+				}
+				$$ = ulval + 1;
+			} else {
+				if ((p = geticmptypebyname($1, AF_INET)) ==
+				    NULL) {
+					yyerror("unknown icmp-type %s", $1);
+					free($1);
+					YYERROR;
+				}
+				$$ = p->type + 1;
+			}
+			free($1);
+		}
+		;
+
+icmp6type	: STRING			{
+			const struct icmptypeent	*p;
+			u_long				 ulval;
+
+			if (atoul($1, &ulval) == 0) {
+				if (ulval > 255) {
+					yyerror("illegal icmp6-type %d", ulval);
+					free($1);
+					YYERROR;
+				}
+				$$ = ulval + 1;
+			} else {
+				if ((p = geticmptypebyname($1, AF_INET6)) ==
+				    NULL) {
+					yyerror("unknown icmp6-type %s", $1);
+					free($1);
+					YYERROR;
+				}
+				$$ = p->type + 1;
+			}
+			free($1);
+		}
+		;
+
+tos		: TOS STRING			{
+			if (!strcmp($2, "lowdelay"))
+				$$ = IPTOS_LOWDELAY;
+			else if (!strcmp($2, "throughput"))
+				$$ = IPTOS_THROUGHPUT;
+			else if (!strcmp($2, "reliability"))
+				$$ = IPTOS_RELIABILITY;
+			else if ($2[0] == '0' && $2[1] == 'x')
+				$$ = strtoul($2, NULL, 16);
+			else
+				$$ = strtoul($2, NULL, 10);
+			if (!$$ || $$ > 255) {
+				yyerror("illegal tos value %s", $2);
+				free($2);
+				YYERROR;
+			}
+			free($2);
+		}
+		;
+
+sourcetrack	: SOURCETRACK		{ $$ = PF_SRCTRACK; }
+		| SOURCETRACK GLOBAL	{ $$ = PF_SRCTRACK_GLOBAL; }
+		| SOURCETRACK RULE	{ $$ = PF_SRCTRACK_RULE; }
+		;
+
+statelock	: IFBOUND {
+			$$ = PFRULE_IFBOUND;
+		}
+		| GRBOUND {
+			$$ = PFRULE_GRBOUND;
+		}
+		| FLOATING {
+			$$ = 0;
+		}
+		;
+
+keep		: KEEP STATE state_opt_spec	{
+			$$.action = PF_STATE_NORMAL;
+			$$.options = $3;
+		}
+		| MODULATE STATE state_opt_spec {
+			$$.action = PF_STATE_MODULATE;
+			$$.options = $3;
+		}
+		| SYNPROXY STATE state_opt_spec {
+			$$.action = PF_STATE_SYNPROXY;
+			$$.options = $3;
+		}
+		;
+
+flush		: /* empty */			{ $$ = 0; }
+		| FLUSH				{ $$ = 1; }
+		;
+
+state_opt_spec	: '(' state_opt_list ')'	{ $$ = $2; }
+		| /* empty */			{ $$ = NULL; }
+		;
+
+state_opt_list	: state_opt_item		{ $$ = $1; }
+		| state_opt_list comma state_opt_item {
+			$1->tail->next = $3;
+			$1->tail = $3;
+			$$ = $1;
+		}
+		;
+
+state_opt_item	: MAXIMUM number		{
+			$$ = calloc(1, sizeof(struct node_state_opt));
+			if ($$ == NULL)
+				err(1, "state_opt_item: calloc");
+			$$->type = PF_STATE_OPT_MAX;
+			$$->data.max_states = $2;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| NOSYNC				{
+			$$ = calloc(1, sizeof(struct node_state_opt));
+			if ($$ == NULL)
+				err(1, "state_opt_item: calloc");
+			$$->type = PF_STATE_OPT_NOSYNC;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| MAXSRCSTATES number			{
+			$$ = calloc(1, sizeof(struct node_state_opt));
+			if ($$ == NULL)
+				err(1, "state_opt_item: calloc");
+			$$->type = PF_STATE_OPT_MAX_SRC_STATES;
+			$$->data.max_src_states = $2;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| MAXSRCCONN number			{
+			$$ = calloc(1, sizeof(struct node_state_opt));
+			if ($$ == NULL)
+				err(1, "state_opt_item: calloc");
+			$$->type = PF_STATE_OPT_MAX_SRC_CONN;
+			$$->data.max_src_conn = $2;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| MAXSRCCONNRATE number '/' number	{
+			$$ = calloc(1, sizeof(struct node_state_opt));
+			if ($$ == NULL)
+				err(1, "state_opt_item: calloc");
+			$$->type = PF_STATE_OPT_MAX_SRC_CONN_RATE;
+			$$->data.max_src_conn_rate.limit = $2;
+			$$->data.max_src_conn_rate.seconds = $4;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| OVERLOAD '<' STRING '>' flush		{
+			if (strlen($3) >= PF_TABLE_NAME_SIZE) {
+				yyerror("table name '%s' too long", $3);
+				free($3);
+				YYERROR;
+			}
+			$$ = calloc(1, sizeof(struct node_state_opt));
+			if ($$ == NULL)
+				err(1, "state_opt_item: calloc");
+			if (strlcpy($$->data.overload.tblname, $3,
+			    PF_TABLE_NAME_SIZE) >= PF_TABLE_NAME_SIZE)
+				errx(1, "state_opt_item: strlcpy");
+			free($3);
+			$$->type = PF_STATE_OPT_OVERLOAD;
+			$$->data.overload.flush = $5;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| MAXSRCNODES number			{
+			$$ = calloc(1, sizeof(struct node_state_opt));
+			if ($$ == NULL)
+				err(1, "state_opt_item: calloc");
+			$$->type = PF_STATE_OPT_MAX_SRC_NODES;
+			$$->data.max_src_nodes = $2;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| sourcetrack {
+			$$ = calloc(1, sizeof(struct node_state_opt));
+			if ($$ == NULL)
+				err(1, "state_opt_item: calloc");
+			$$->type = PF_STATE_OPT_SRCTRACK;
+			$$->data.src_track = $1;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| statelock {
+			$$ = calloc(1, sizeof(struct node_state_opt));
+			if ($$ == NULL)
+				err(1, "state_opt_item: calloc");
+			$$->type = PF_STATE_OPT_STATELOCK;
+			$$->data.statelock = $1;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| STRING number			{
+			int	i;
+
+			for (i = 0; pf_timeouts[i].name &&
+			    strcmp(pf_timeouts[i].name, $1); ++i)
+				;	/* nothing */
+			if (!pf_timeouts[i].name) {
+				yyerror("illegal timeout name %s", $1);
+				free($1);
+				YYERROR;
+			}
+			if (strchr(pf_timeouts[i].name, '.') == NULL) {
+				yyerror("illegal state timeout %s", $1);
+				free($1);
+				YYERROR;
+			}
+			free($1);
+			$$ = calloc(1, sizeof(struct node_state_opt));
+			if ($$ == NULL)
+				err(1, "state_opt_item: calloc");
+			$$->type = PF_STATE_OPT_TIMEOUT;
+			$$->data.timeout.number = pf_timeouts[i].timeout;
+			$$->data.timeout.seconds = $2;
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		;
+
+label		: LABEL STRING			{
+			$$ = $2;
+		}
+		;
+
+qname		: QUEUE STRING				{
+			$$.qname = $2;
+		}
+		| QUEUE '(' STRING ')'			{
+			$$.qname = $3;
+		}
+		| QUEUE '(' STRING comma STRING ')'	{
+			$$.qname = $3;
+			$$.pqname = $5;
+		}
+		;
+
+no		: /* empty */			{ $$ = 0; }
+		| NO				{ $$ = 1; }
+		;
+
+rport		: STRING			{
+			char	*p = strchr($1, ':');
+
+			if (p == NULL) {
+				if (($$.a = getservice($1)) == -1) {
+					free($1);
+					YYERROR;
+				}
+				$$.b = $$.t = 0;
+			} else if (!strcmp(p+1, "*")) {
+				*p = 0;
+				if (($$.a = getservice($1)) == -1) {
+					free($1);
+					YYERROR;
+				}
+				$$.b = 0;
+				$$.t = 1;
+			} else {
+				*p++ = 0;
+				if (($$.a = getservice($1)) == -1 ||
+				    ($$.b = getservice(p)) == -1) {
+					free($1);
+					YYERROR;
+				}
+				if ($$.a == $$.b)
+					$$.b = 0;
+				$$.t = 0;
+			}
+			free($1);
+		}
+		;
+
+redirspec	: host				{ $$ = $1; }
+		| '{' redir_host_list '}'	{ $$ = $2; }
+		;
+
+redir_host_list	: host				{ $$ = $1; }
+		| redir_host_list comma host	{
+			$1->tail->next = $3;
+			$1->tail = $3->tail;
+			$$ = $1;
+		}
+		;
+
+redirpool	: /* empty */			{ $$ = NULL; }
+		| ARROW redirspec		{
+			$$ = calloc(1, sizeof(struct redirection));
+			if ($$ == NULL)
+				err(1, "redirection: calloc");
+			$$->host = $2;
+			$$->rport.a = $$->rport.b = $$->rport.t = 0;
+		}
+		| ARROW redirspec PORT rport	{
+			$$ = calloc(1, sizeof(struct redirection));
+			if ($$ == NULL)
+				err(1, "redirection: calloc");
+			$$->host = $2;
+			$$->rport = $4;
+		}
+		;
+
+hashkey		: /* empty */
+		{
+			$$ = calloc(1, sizeof(struct pf_poolhashkey));
+			if ($$ == NULL)
+				err(1, "hashkey: calloc");
+			$$->key32[0] = arc4random();
+			$$->key32[1] = arc4random();
+			$$->key32[2] = arc4random();
+			$$->key32[3] = arc4random();
+		}
+		| string
+		{
+			if (!strncmp($1, "0x", 2)) {
+				if (strlen($1) != 34) {
+					free($1);
+					yyerror("hex key must be 128 bits "
+						"(32 hex digits) long");
+					YYERROR;
+				}
+				$$ = calloc(1, sizeof(struct pf_poolhashkey));
+				if ($$ == NULL)
+					err(1, "hashkey: calloc");
+
+				if (sscanf($1, "0x%8x%8x%8x%8x",
+				    &$$->key32[0], &$$->key32[1],
+				    &$$->key32[2], &$$->key32[3]) != 4) {
+					free($$);
+					free($1);
+					yyerror("invalid hex key");
+					YYERROR;
+				}
+			} else {
+				MD5_CTX	context;
+
+				$$ = calloc(1, sizeof(struct pf_poolhashkey));
+				if ($$ == NULL)
+					err(1, "hashkey: calloc");
+				MD5Init(&context);
+				MD5Update(&context, (unsigned char *)$1,
+				    strlen($1));
+				MD5Final((unsigned char *)$$, &context);
+				HTONL($$->key32[0]);
+				HTONL($$->key32[1]);
+				HTONL($$->key32[2]);
+				HTONL($$->key32[3]);
+			}
+			free($1);
+		}
+		;
+
+pool_opts	:	{ bzero(&pool_opts, sizeof pool_opts); }
+		    pool_opts_l
+			{ $$ = pool_opts; }
+		| /* empty */	{
+			bzero(&pool_opts, sizeof pool_opts);
+			$$ = pool_opts;
+		}
+		;
+
+pool_opts_l	: pool_opts_l pool_opt
+		| pool_opt
+		;
+
+pool_opt	: BITMASK	{
+			if (pool_opts.type) {
+				yyerror("pool type cannot be redefined");
+				YYERROR;
+			}
+			pool_opts.type =  PF_POOL_BITMASK;
+		}
+		| RANDOM	{
+			if (pool_opts.type) {
+				yyerror("pool type cannot be redefined");
+				YYERROR;
+			}
+			pool_opts.type = PF_POOL_RANDOM;
+		}
+		| SOURCEHASH hashkey {
+			if (pool_opts.type) {
+				yyerror("pool type cannot be redefined");
+				YYERROR;
+			}
+			pool_opts.type = PF_POOL_SRCHASH;
+			pool_opts.key = $2;
+		}
+		| ROUNDROBIN	{
+			if (pool_opts.type) {
+				yyerror("pool type cannot be redefined");
+				YYERROR;
+			}
+			pool_opts.type = PF_POOL_ROUNDROBIN;
+		}
+		| STATICPORT	{
+			if (pool_opts.staticport) {
+				yyerror("static-port cannot be redefined");
+				YYERROR;
+			}
+			pool_opts.staticport = 1;
+		}
+		| STICKYADDRESS	{
+			if (filter_opts.marker & POM_STICKYADDRESS) {
+				yyerror("sticky-address cannot be redefined");
+				YYERROR;
+			}
+			pool_opts.marker |= POM_STICKYADDRESS;
+			pool_opts.opts |= PF_POOL_STICKYADDR;
+		}
+		;
+
+redirection	: /* empty */			{ $$ = NULL; }
+		| ARROW host			{
+			$$ = calloc(1, sizeof(struct redirection));
+			if ($$ == NULL)
+				err(1, "redirection: calloc");
+			$$->host = $2;
+			$$->rport.a = $$->rport.b = $$->rport.t = 0;
+		}
+		| ARROW host PORT rport	{
+			$$ = calloc(1, sizeof(struct redirection));
+			if ($$ == NULL)
+				err(1, "redirection: calloc");
+			$$->host = $2;
+			$$->rport = $4;
+		}
+		;
+
+natpass		: /* empty */	{ $$ = 0; }
+		| PASS		{ $$ = 1; }
+		;
+
+nataction	: no NAT natpass {
+			$$.b2 = $$.w = 0;
+			if ($1)
+				$$.b1 = PF_NONAT;
+			else
+				$$.b1 = PF_NAT;
+			$$.b2 = $3;
+		}
+		| no RDR natpass {
+			$$.b2 = $$.w = 0;
+			if ($1)
+				$$.b1 = PF_NORDR;
+			else
+				$$.b1 = PF_RDR;
+			$$.b2 = $3;
+		}
+		;
+
+natrule		: nataction interface af proto fromto tag redirpool pool_opts
+		{
+			struct pf_rule	r;
+
+			if (check_rulestate(PFCTL_STATE_NAT))
+				YYERROR;
+
+			memset(&r, 0, sizeof(r));
+
+			r.action = $1.b1;
+			r.natpass = $1.b2;
+			r.af = $3;
+
+			if (!r.af) {
+				if ($5.src.host && $5.src.host->af &&
+				    !$5.src.host->ifindex)
+					r.af = $5.src.host->af;
+				else if ($5.dst.host && $5.dst.host->af &&
+				    !$5.dst.host->ifindex)
+					r.af = $5.dst.host->af;
+			}
+
+			if ($6 != NULL)
+				if (strlcpy(r.tagname, $6, PF_TAG_NAME_SIZE) >=
+				    PF_TAG_NAME_SIZE) {
+					yyerror("tag too long, max %u chars",
+					    PF_TAG_NAME_SIZE - 1);
+					YYERROR;
+				}
+
+			if (r.action == PF_NONAT || r.action == PF_NORDR) {
+				if ($7 != NULL) {
+					yyerror("translation rule with 'no' "
+					    "does not need '->'");
+					YYERROR;
+				}
+			} else {
+				if ($7 == NULL || $7->host == NULL) {
+					yyerror("translation rule requires '-> "
+					    "address'");
+					YYERROR;
+				}
+				if (!r.af && ! $7->host->ifindex)
+					r.af = $7->host->af;
+
+				remove_invalid_hosts(&$7->host, &r.af);
+				if (invalid_redirect($7->host, r.af))
+					YYERROR;
+				if (check_netmask($7->host, r.af))
+					YYERROR;
+
+				r.rpool.proxy_port[0] = ntohs($7->rport.a);
+
+				switch (r.action) {
+				case PF_RDR:
+					if (!$7->rport.b && $7->rport.t &&
+					    $5.dst.port != NULL) {
+						r.rpool.proxy_port[1] =
+						    ntohs($7->rport.a) +
+						    (ntohs(
+						    $5.dst.port->port[1]) -
+						    ntohs(
+						    $5.dst.port->port[0]));
+					} else
+						r.rpool.proxy_port[1] =
+						    ntohs($7->rport.b);
+					break;
+				case PF_NAT:
+					r.rpool.proxy_port[1] =
+					    ntohs($7->rport.b);
+					if (!r.rpool.proxy_port[0] &&
+					    !r.rpool.proxy_port[1]) {
+						r.rpool.proxy_port[0] =
+						    PF_NAT_PROXY_PORT_LOW;
+						r.rpool.proxy_port[1] =
+						    PF_NAT_PROXY_PORT_HIGH;
+					} else if (!r.rpool.proxy_port[1])
+						r.rpool.proxy_port[1] =
+						    r.rpool.proxy_port[0];
+					break;
+				default:
+					break;
+				}
+
+				r.rpool.opts = $8.type;
+				if ((r.rpool.opts & PF_POOL_TYPEMASK) ==
+				    PF_POOL_NONE && ($7->host->next != NULL ||
+				    $7->host->addr.type == PF_ADDR_TABLE ||
+				    DYNIF_MULTIADDR($7->host->addr)))
+					r.rpool.opts = PF_POOL_ROUNDROBIN;
+				if ((r.rpool.opts & PF_POOL_TYPEMASK) !=
+				    PF_POOL_ROUNDROBIN &&
+				    disallow_table($7->host, "tables are only "
+				    "supported in round-robin redirection "
+				    "pools"))
+					YYERROR;
+				if ((r.rpool.opts & PF_POOL_TYPEMASK) !=
+				    PF_POOL_ROUNDROBIN &&
+				    disallow_alias($7->host, "interface (%s) "
+				    "is only supported in round-robin "
+				    "redirection pools"))
+					YYERROR;
+				if ($7->host->next != NULL) {
+					if ((r.rpool.opts & PF_POOL_TYPEMASK) !=
+					    PF_POOL_ROUNDROBIN) {
+						yyerror("only round-robin "
+						    "valid for multiple "
+						    "redirection addresses");
+						YYERROR;
+					}
+				}
+			}
+
+			if ($8.key != NULL)
+				memcpy(&r.rpool.key, $8.key,
+				    sizeof(struct pf_poolhashkey));
+
+			 if ($8.opts)
+				r.rpool.opts |= $8.opts;
+
+			if ($8.staticport) {
+				if (r.action != PF_NAT) {
+					yyerror("the 'static-port' option is "
+					    "only valid with nat rules");
+					YYERROR;
+				}
+				if (r.rpool.proxy_port[0] !=
+				    PF_NAT_PROXY_PORT_LOW &&
+				    r.rpool.proxy_port[1] !=
+				    PF_NAT_PROXY_PORT_HIGH) {
+					yyerror("the 'static-port' option can't"
+					    " be used when specifying a port"
+					    " range");
+					YYERROR;
+				}
+				r.rpool.proxy_port[0] = 0;
+				r.rpool.proxy_port[1] = 0;
+			}
+
+			expand_rule(&r, $2, $7 == NULL ? NULL : $7->host, $4,
+			    $5.src_os, $5.src.host, $5.src.port, $5.dst.host,
+			    $5.dst.port, 0, 0, 0, "");
+			free($7);
+		}
+		;
+
+binatrule	: no BINAT natpass interface af proto FROM host TO ipspec tag
+		    redirection
+		{
+			struct pf_rule		binat;
+			struct pf_pooladdr	*pa;
+
+			if (check_rulestate(PFCTL_STATE_NAT))
+				YYERROR;
+
+			memset(&binat, 0, sizeof(binat));
+
+			if ($1)
+				binat.action = PF_NOBINAT;
+			else
+				binat.action = PF_BINAT;
+			binat.natpass = $3;
+			binat.af = $5;
+			if (!binat.af && $8 != NULL && $8->af)
+				binat.af = $8->af;
+			if (!binat.af && $10 != NULL && $10->af)
+				binat.af = $10->af;
+			if (!binat.af && $12 != NULL && $12->host)
+				binat.af = $12->host->af;
+			if (!binat.af) {
+				yyerror("address family (inet/inet6) "
+				    "undefined");
+				YYERROR;
+			}
+
+			if ($4 != NULL) {
+				memcpy(binat.ifname, $4->ifname,
+				    sizeof(binat.ifname));
+				binat.ifnot = $4->not;
+				free($4);
+			}
+			if ($11 != NULL)
+				if (strlcpy(binat.tagname, $11,
+				    PF_TAG_NAME_SIZE) >= PF_TAG_NAME_SIZE) {
+					yyerror("tag too long, max %u chars",
+					    PF_TAG_NAME_SIZE - 1);
+					YYERROR;
+				}
+
+			if ($6 != NULL) {
+				binat.proto = $6->proto;
+				free($6);
+			}
+
+			if ($8 != NULL && disallow_table($8, "invalid use of "
+			    "table <%s> as the source address of a binat rule"))
+				YYERROR;
+			if ($8 != NULL && disallow_alias($8, "invalid use of "
+			    "interface (%s) as the source address of a binat "
+			    "rule"))
+				YYERROR;
+			if ($12 != NULL && $12->host != NULL && disallow_table(
+			    $12->host, "invalid use of table <%s> as the "
+			    "redirect address of a binat rule"))
+				YYERROR;
+			if ($12 != NULL && $12->host != NULL && disallow_alias(
+			    $12->host, "invalid use of interface (%s) as the "
+			    "redirect address of a binat rule"))
+				YYERROR;
+
+			if ($8 != NULL) {
+				if ($8->next) {
+					yyerror("multiple binat ip addresses");
+					YYERROR;
+				}
+				if ($8->addr.type == PF_ADDR_DYNIFTL)
+					$8->af = binat.af;
+				if ($8->af != binat.af) {
+					yyerror("binat ip versions must match");
+					YYERROR;
+				}
+				if (check_netmask($8, binat.af))
+					YYERROR;
+				memcpy(&binat.src.addr, &$8->addr,
+				    sizeof(binat.src.addr));
+				free($8);
+			}
+			if ($10 != NULL) {
+				if ($10->next) {
+					yyerror("multiple binat ip addresses");
+					YYERROR;
+				}
+				if ($10->af != binat.af && $10->af) {
+					yyerror("binat ip versions must match");
+					YYERROR;
+				}
+				if (check_netmask($10, binat.af))
+					YYERROR;
+				memcpy(&binat.dst.addr, &$10->addr,
+				    sizeof(binat.dst.addr));
+				binat.dst.neg = $10->not;
+				free($10);
+			}
+
+			if (binat.action == PF_NOBINAT) {
+				if ($12 != NULL) {
+					yyerror("'no binat' rule does not need"
+					    " '->'");
+					YYERROR;
+				}
+			} else {
+				if ($12 == NULL || $12->host == NULL) {
+					yyerror("'binat' rule requires"
+					    " '-> address'");
+					YYERROR;
+				}
+
+				remove_invalid_hosts(&$12->host, &binat.af);
+				if (invalid_redirect($12->host, binat.af))
+					YYERROR;
+				if ($12->host->next != NULL) {
+					yyerror("binat rule must redirect to "
+					    "a single address");
+					YYERROR;
+				}
+				if (check_netmask($12->host, binat.af))
+					YYERROR;
+
+				if (!PF_AZERO(&binat.src.addr.v.a.mask,
+				    binat.af) &&
+				    !PF_AEQ(&binat.src.addr.v.a.mask,
+				    &$12->host->addr.v.a.mask, binat.af)) {
+					yyerror("'binat' source mask and "
+					    "redirect mask must be the same");
+					YYERROR;
+				}
+
+				TAILQ_INIT(&binat.rpool.list);
+				pa = calloc(1, sizeof(struct pf_pooladdr));
+				if (pa == NULL)
+					err(1, "binat: calloc");
+				pa->addr = $12->host->addr;
+				pa->ifname[0] = 0;
+				TAILQ_INSERT_TAIL(&binat.rpool.list,
+				    pa, entries);
+
+				free($12);
+			}
+
+			pfctl_add_rule(pf, &binat, "");
+		}
+		;
+
+tag		: /* empty */		{ $$ = NULL; }
+		| TAG STRING		{ $$ = $2; }
+		;
+
+route_host	: STRING			{
+			$$ = calloc(1, sizeof(struct node_host));
+			if ($$ == NULL)
+				err(1, "route_host: calloc");
+			$$->ifname = $1;
+			set_ipmask($$, 128);
+			$$->next = NULL;
+			$$->tail = $$;
+		}
+		| '(' STRING host ')'		{
+			$$ = $3;
+			$$->ifname = $2;
+		}
+		;
+
+route_host_list	: route_host				{ $$ = $1; }
+		| route_host_list comma route_host	{
+			if ($1->af == 0)
+				$1->af = $3->af;
+			if ($1->af != $3->af) {
+				yyerror("all pool addresses must be in the "
+				    "same address family");
+				YYERROR;
+			}
+			$1->tail->next = $3;
+			$1->tail = $3->tail;
+			$$ = $1;
+		}
+		;
+
+routespec	: route_host			{ $$ = $1; }
+		| '{' route_host_list '}'	{ $$ = $2; }
+		;
+
+route		: /* empty */			{
+			$$.host = NULL;
+			$$.rt = 0;
+			$$.pool_opts = 0;
+		}
+		| FASTROUTE {
+			$$.host = NULL;
+			$$.rt = PF_FASTROUTE;
+			$$.pool_opts = 0;
+		}
+		| ROUTETO routespec pool_opts {
+			$$.host = $2;
+			$$.rt = PF_ROUTETO;
+			$$.pool_opts = $3.type | $3.opts;
+			if ($3.key != NULL)
+				$$.key = $3.key;
+		}
+		| REPLYTO routespec pool_opts {
+			$$.host = $2;
+			$$.rt = PF_REPLYTO;
+			$$.pool_opts = $3.type | $3.opts;
+			if ($3.key != NULL)
+				$$.key = $3.key;
+		}
+		| DUPTO routespec pool_opts {
+			$$.host = $2;
+			$$.rt = PF_DUPTO;
+			$$.pool_opts = $3.type | $3.opts;
+			if ($3.key != NULL)
+				$$.key = $3.key;
+		}
+		;
+
+timeout_spec	: STRING number
+		{
+			if (check_rulestate(PFCTL_STATE_OPTION)) {
+				free($1);
+				YYERROR;
+			}
+			if (pfctl_set_timeout(pf, $1, $2, 0) != 0) {
+				yyerror("unknown timeout %s", $1);
+				free($1);
+				YYERROR;
+			}
+			free($1);
+		}
+		;
+
+timeout_list	: timeout_list comma timeout_spec
+		| timeout_spec
+		;
+
+limit_spec	: STRING number
+		{
+			if (check_rulestate(PFCTL_STATE_OPTION)) {
+				free($1);
+				YYERROR;
+			}
+			if (pfctl_set_limit(pf, $1, $2) != 0) {
+				yyerror("unable to set limit %s %u", $1, $2);
+				free($1);
+				YYERROR;
+			}
+			free($1);
+		}
+		;
+
+limit_list	: limit_list comma limit_spec
+		| limit_spec
+		;
+
+comma		: ','
+		| /* empty */
+		;
+
+yesno		: NO			{ $$ = 0; }
+		| STRING		{
+			if (!strcmp($1, "yes"))
+				$$ = 1;
+			else {
+				free($1);
+				YYERROR;
+			}
+			free($1);
+		}
+		;
+
+unaryop		: '='		{ $$ = PF_OP_EQ; }
+		| '!' '='	{ $$ = PF_OP_NE; }
+		| '<' '='	{ $$ = PF_OP_LE; }
+		| '<'		{ $$ = PF_OP_LT; }
+		| '>' '='	{ $$ = PF_OP_GE; }
+		| '>'		{ $$ = PF_OP_GT; }
+		;
+
+%%
+
+int
+yyerror(const char *fmt, ...)
 {
-	int	i;
+	va_list		 ap;
+	extern char	*infile;
 
-	for (i = 0; tcpflags[i]; ++i)
-		if (f & (1 << i))
-			printf("%c", tcpflags[i]);
+	errors = 1;
+	va_start(ap, fmt);
+	fprintf(stderr, "%s:%d: ", infile, yylval.lineno);
+	vfprintf(stderr, fmt, ap);
+	fprintf(stderr, "\n");
+	va_end(ap);
+	return (0);
 }
 
-void
-print_fromto(struct pf_rule_addr *src, pf_osfp_t osfp, struct pf_rule_addr *dst,
-    sa_family_t af, u_int8_t proto, int verbose)
+int
+disallow_table(struct node_host *h, const char *fmt)
 {
-	char buf[PF_OSFP_LEN*3];
-	if (src->addr.type == PF_ADDR_ADDRMASK &&
-	    dst->addr.type == PF_ADDR_ADDRMASK &&
-	    PF_AZERO(&src->addr.v.a.addr, AF_INET6) &&
-	    PF_AZERO(&src->addr.v.a.mask, AF_INET6) &&
-	    PF_AZERO(&dst->addr.v.a.addr, AF_INET6) &&
-	    PF_AZERO(&dst->addr.v.a.mask, AF_INET6) &&
-	    !src->neg && !dst->neg &&
-	    !src->port_op && !dst->port_op &&
-	    osfp == PF_OSFP_ANY)
-		printf(" all");
-	else {
-		printf(" from ");
-		if (src->neg)
-			printf("! ");
-		print_addr(&src->addr, af, verbose);
-		if (src->port_op)
-			print_port(src->port_op, src->port[0],
-			    src->port[1],
-			    proto == IPPROTO_TCP ? "tcp" : "udp");
-		if (osfp != PF_OSFP_ANY)
-			printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf,
-			    sizeof(buf)));
-
-		printf(" to ");
-		if (dst->neg)
-			printf("! ");
-		print_addr(&dst->addr, af, verbose);
-		if (dst->port_op)
-			print_port(dst->port_op, dst->port[0],
-			    dst->port[1],
-			    proto == IPPROTO_TCP ? "tcp" : "udp");
-	}
+	for (; h != NULL; h = h->next)
+		if (h->addr.type == PF_ADDR_TABLE) {
+			yyerror(fmt, h->addr.v.tblname);
+			return (1);
+		}
+	return (0);
 }
 
-void
-print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2,
-    sa_family_t af, int id)
+int
+disallow_alias(struct node_host *h, const char *fmt)
 {
-	struct pf_pooladdr	*pooladdr;
-
-	if ((TAILQ_FIRST(&pool->list) != NULL) &&
-	    TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
-		printf("{ ");
-	TAILQ_FOREACH(pooladdr, &pool->list, entries){
-		switch (id) {
-		case PF_NAT:
-		case PF_RDR:
-		case PF_BINAT:
-			print_addr(&pooladdr->addr, af, 0);
-			break;
-		case PF_PASS:
-			if (PF_AZERO(&pooladdr->addr.v.a.addr, af))
-				printf("%s", pooladdr->ifname);
-			else {
-				printf("(%s ", pooladdr->ifname);
-				print_addr(&pooladdr->addr, af, 0);
-				printf(")");
-			}
-			break;
-		default:
-			break;
+	for (; h != NULL; h = h->next)
+		if (DYNIF_MULTIADDR(h->addr)) {
+			yyerror(fmt, h->addr.v.tblname);
+			return (1);
 		}
-		if (TAILQ_NEXT(pooladdr, entries) != NULL)
-			printf(", ");
-		else if (TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
-			printf(" }");
-	}
-	switch (id) {
+	return (0);
+}
+
+int
+rule_consistent(struct pf_rule *r)
+{
+	int	problems = 0;
+
+	switch (r->action) {
+	case PF_PASS:
+	case PF_DROP:
+	case PF_SCRUB:
+	case PF_NOSCRUB:
+		problems = filter_consistent(r);
+		break;
 	case PF_NAT:
-		if ((p1 != PF_NAT_PROXY_PORT_LOW ||
-		    p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) {
-			if (p1 == p2)
-				printf(" port %u", p1);
-			else
-				printf(" port %u:%u", p1, p2);
-		}
+	case PF_NONAT:
+		problems = nat_consistent(r);
 		break;
 	case PF_RDR:
-		if (p1) {
-			printf(" port %u", p1);
-			if (p2 && (p2 != p1))
-				printf(":%u", p2);
-		}
+	case PF_NORDR:
+		problems = rdr_consistent(r);
 		break;
+	case PF_BINAT:
+	case PF_NOBINAT:
 	default:
 		break;
 	}
-	switch (pool->opts & PF_POOL_TYPEMASK) {
-	case PF_POOL_NONE:
-		break;
-	case PF_POOL_BITMASK:
-		printf(" bitmask");
-		break;
-	case PF_POOL_RANDOM:
-		printf(" random");
-		break;
-	case PF_POOL_SRCHASH:
-		printf(" source-hash 0x%08x%08x%08x%08x",
-		    pool->key.key32[0], pool->key.key32[1],
-		    pool->key.key32[2], pool->key.key32[3]);
-		break;
-	case PF_POOL_ROUNDROBIN:
-		printf(" round-robin");
-		break;
-	}
-	if (pool->opts & PF_POOL_STICKYADDR)
-		printf(" sticky-address");
-	if (id == PF_NAT && p1 == 0 && p2 == 0)
-		printf(" static-port");
+	return (problems);
 }
 
-const char	*pf_reasons[PFRES_MAX+1] = PFRES_NAMES;
-const char	*pf_lcounters[LCNT_MAX+1] = LCNT_NAMES;
-const char	*pf_fcounters[FCNT_MAX+1] = FCNT_NAMES;
-const char	*pf_scounters[FCNT_MAX+1] = FCNT_NAMES;
-
-void
-print_status(struct pf_status *s, int opts)
+int
+filter_consistent(struct pf_rule *r)
 {
-	char	statline[80], *running;
-	time_t	runtime;
-	int	i;
-
-	runtime = time(NULL) - s->since;
-	running = s->running ? "Enabled" : "Disabled";
-
-	if (s->since) {
-		unsigned	sec, min, hrs, day = runtime;
-
-		sec = day % 60;
-		day /= 60;
-		min = day % 60;
-		day /= 60;
-		hrs = day % 24;
-		day /= 24;
-		snprintf(statline, sizeof(statline),
-		    "Status: %s for %u days %.2u:%.2u:%.2u",
-		    running, day, hrs, min, sec);
-	} else
-		snprintf(statline, sizeof(statline), "Status: %s", running);
-	printf("%-44s", statline);
-	switch (s->debug) {
-	case PF_DEBUG_NONE:
-		printf("%15s\n\n", "Debug: None");
-		break;
-	case PF_DEBUG_URGENT:
-		printf("%15s\n\n", "Debug: Urgent");
-		break;
-	case PF_DEBUG_MISC:
-		printf("%15s\n\n", "Debug: Misc");
-		break;
-	case PF_DEBUG_NOISY:
-		printf("%15s\n\n", "Debug: Loud");
-		break;
+	int	problems = 0;
+
+	if (r->proto != IPPROTO_TCP && r->proto != IPPROTO_UDP &&
+	    (r->src.port_op || r->dst.port_op)) {
+		yyerror("port only applies to tcp/udp");
+		problems++;
 	}
-	printf("Hostid: 0x%08x\n\n", ntohl(s->hostid));
-	if (s->ifname[0] != 0) {
-		printf("Interface Stats for %-16s %5s %16s\n",
-		    s->ifname, "IPv4", "IPv6");
-		printf("  %-25s %14llu %16llu\n", "Bytes In",
-		    (unsigned long long)s->bcounters[0][0],
-		    (unsigned long long)s->bcounters[1][0]);
-		printf("  %-25s %14llu %16llu\n", "Bytes Out",
-		    (unsigned long long)s->bcounters[0][1],
-		    (unsigned long long)s->bcounters[1][1]);
-		printf("  Packets In\n");
-		printf("    %-23s %14llu %16llu\n", "Passed",
-		    (unsigned long long)s->pcounters[0][0][PF_PASS],
-		    (unsigned long long)s->pcounters[1][0][PF_PASS]);
-		printf("    %-23s %14llu %16llu\n", "Blocked",
-		    (unsigned long long)s->pcounters[0][0][PF_DROP],
-		    (unsigned long long)s->pcounters[1][0][PF_DROP]);
-		printf("  Packets Out\n");
-		printf("    %-23s %14llu %16llu\n", "Passed",
-		    (unsigned long long)s->pcounters[0][1][PF_PASS],
-		    (unsigned long long)s->pcounters[1][1][PF_PASS]);
-		printf("    %-23s %14llu %16llu\n\n", "Blocked",
-		    (unsigned long long)s->pcounters[0][1][PF_DROP],
-		    (unsigned long long)s->pcounters[1][1][PF_DROP]);
+	if (r->proto != IPPROTO_ICMP && r->proto != IPPROTO_ICMPV6 &&
+	    (r->type || r->code)) {
+		yyerror("icmp-type/code only applies to icmp");
+		problems++;
 	}
-	printf("%-27s %14s %16s\n", "State Table", "Total", "Rate");
-	printf("  %-25s %14u %14s\n", "current entries", s->states, "");
-	for (i = 0; i < FCNT_MAX; i++) {
-		printf("  %-25s %14llu ", pf_fcounters[i],
-			    (unsigned long long)s->fcounters[i]);
-		if (runtime > 0)
-			printf("%14.1f/s\n",
-			    (double)s->fcounters[i] / (double)runtime);
-		else
-			printf("%14s\n", "");
+	if (!r->af && (r->type || r->code)) {
+		yyerror("must indicate address family with icmp-type/code");
+		problems++;
 	}
-	if (opts & PF_OPT_VERBOSE) {
-		printf("Source Tracking Table\n");
-		printf("  %-25s %14u %14s\n", "current entries",
-		    s->src_nodes, "");
-		for (i = 0; i < SCNT_MAX; i++) {
-			printf("  %-25s %14lld ", pf_scounters[i],
-				    s->scounters[i]);
-			if (runtime > 0)
-				printf("%14.1f/s\n",
-				    (double)s->scounters[i] / (double)runtime);
-			else
-				printf("%14s\n", "");
-		}
+	if ((r->proto == IPPROTO_ICMP && r->af == AF_INET6) ||
+	    (r->proto == IPPROTO_ICMPV6 && r->af == AF_INET)) {
+		yyerror("proto %s doesn't match address family %s",
+		    r->proto == IPPROTO_ICMP ? "icmp" : "icmp6",
+		    r->af == AF_INET ? "inet" : "inet6");
+		problems++;
 	}
-	printf("Counters\n");
-	for (i = 0; i < PFRES_MAX; i++) {
-		printf("  %-25s %14llu ", pf_reasons[i],
-		    (unsigned long long)s->counters[i]);
-		if (runtime > 0)
-			printf("%14.1f/s\n",
-			    (double)s->counters[i] / (double)runtime);
-		else
-			printf("%14s\n", "");
+	if (r->allow_opts && r->action != PF_PASS) {
+		yyerror("allow-opts can only be specified for pass rules");
+		problems++;
 	}
-	if (opts & PF_OPT_VERBOSE) {
-		printf("Limit Counters\n");
-		for (i = 0; i < LCNT_MAX; i++) {
-			printf("  %-25s %14lld ", pf_lcounters[i],
-				    s->lcounters[i]);
-			if (runtime > 0)
-				printf("%14.1f/s\n",
-				    (double)s->lcounters[i] / (double)runtime);
-			else
-				printf("%14s\n", "");
-		}
+	if (r->rule_flag & PFRULE_FRAGMENT && (r->src.port_op ||
+	    r->dst.port_op || r->flagset || r->type || r->code)) {
+		yyerror("fragments can be filtered only on IP header fields");
+		problems++;
+	}
+	if (r->rule_flag & PFRULE_RETURNRST && r->proto != IPPROTO_TCP) {
+		yyerror("return-rst can only be applied to TCP rules");
+		problems++;
 	}
+	if (r->max_src_nodes && !(r->rule_flag & PFRULE_RULESRCTRACK)) {
+		yyerror("max-src-nodes requires 'source-track rule'");
+		problems++;
+	}
+	if (r->action == PF_DROP && r->keep_state) {
+		yyerror("keep state on block rules doesn't make sense");
+		problems++;
+	}
+	if ((r->tagname[0] || r->match_tagname[0]) && !r->keep_state &&
+	    r->action == PF_PASS) {
+		yyerror("tags cannot be used without keep state");
+		problems++;
+	}
+	return (-problems);
 }
 
-void
-print_src_node(struct pf_src_node *sn, int opts)
+int
+nat_consistent(struct pf_rule *r)
 {
-	struct pf_addr_wrap aw;
-	int min, sec;
+	return (0);	/* yeah! */
+}
 
-	memset(&aw, 0, sizeof(aw));
-	if (sn->af == AF_INET)
-		aw.v.a.mask.addr32[0] = 0xffffffff;
-	else
-		memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask));
-
-	aw.v.a.addr = sn->addr;
-	print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2);
-	printf(" -> ");
-	aw.v.a.addr = sn->raddr;
-	print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2);
-	printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states,
-	    sn->conn, sn->conn_rate.count / 1000,
-	    (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds);
-	if (opts & PF_OPT_VERBOSE) {
-		sec = sn->creation % 60;
-		sn->creation /= 60;
-		min = sn->creation % 60;
-		sn->creation /= 60;
-		printf("   age %.2u:%.2u:%.2u", sn->creation, min, sec);
-		if (sn->states == 0) {
-			sec = sn->expire % 60;
-			sn->expire /= 60;
-			min = sn->expire % 60;
-			sn->expire /= 60;
-			printf(", expires in %.2u:%.2u:%.2u",
-			    sn->expire, min, sec);
-		}
-		printf(", %u pkts, %u bytes", sn->packets, sn->bytes);
-		switch (sn->ruletype) {
-		case PF_NAT:
-			if (sn->rule.nr != -1)
-				printf(", nat rule %u", sn->rule.nr);
-			break;
-		case PF_RDR:
-			if (sn->rule.nr != -1)
-				printf(", rdr rule %u", sn->rule.nr);
-			break;
-		case PF_PASS:
-			if (sn->rule.nr != -1)
-				printf(", filter rule %u", sn->rule.nr);
-			break;
+int
+rdr_consistent(struct pf_rule *r)
+{
+	int			 problems = 0;
+
+	if (r->proto != IPPROTO_TCP && r->proto != IPPROTO_UDP) {
+		if (r->src.port_op) {
+			yyerror("src port only applies to tcp/udp");
+			problems++;
+		}
+		if (r->dst.port_op) {
+			yyerror("dst port only applies to tcp/udp");
+			problems++;
 		}
-		printf("\n");
+		if (r->rpool.proxy_port[0]) {
+			yyerror("rpool port only applies to tcp/udp");
+			problems++;
+		}
+	}
+	if (r->dst.port_op &&
+	    r->dst.port_op != PF_OP_EQ && r->dst.port_op != PF_OP_RRG) {
+		yyerror("invalid port operator for rdr destination port");
+		problems++;
 	}
+	return (-problems);
 }
 
-void
-print_rule(struct pf_rule *r, const char *anchor_call, int verbose)
+int
+process_tabledef(char *name, struct table_opts *opts)
 {
-	static const char *actiontypes[] = { "pass", "block", "scrub",
-	    "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr" };
-	static const char *anchortypes[] = { "anchor", "anchor", "anchor",
-	    "anchor", "nat-anchor", "nat-anchor", "binat-anchor",
-	    "binat-anchor", "rdr-anchor", "rdr-anchor" };
-	int	i, opts;
-
-	if (verbose)
-		printf("@%d ", r->nr);
-	if (r->action > PF_NORDR)
-		printf("action(%d)", r->action);
-	else if (anchor_call[0])
-		printf("%s \"%s\"", anchortypes[r->action],
-		    anchor_call);
-	else {
-		printf("%s", actiontypes[r->action]);
-		if (r->natpass)
-			printf(" pass");
-	}
-	if (r->action == PF_DROP) {
-		if (r->rule_flag & PFRULE_RETURN)
-			printf(" return");
-		else if (r->rule_flag & PFRULE_RETURNRST) {
-			if (!r->return_ttl)
-				printf(" return-rst");
-			else
-				printf(" return-rst(ttl %d)", r->return_ttl);
-		} else if (r->rule_flag & PFRULE_RETURNICMP) {
-			const struct icmpcodeent	*ic, *ic6;
-
-			ic = geticmpcodebynumber(r->return_icmp >> 8,
-			    r->return_icmp & 255, AF_INET);
-			ic6 = geticmpcodebynumber(r->return_icmp6 >> 8,
-			    r->return_icmp6 & 255, AF_INET6);
-
-			switch (r->af) {
-			case AF_INET:
-				printf(" return-icmp");
-				if (ic == NULL)
-					printf("(%u)", r->return_icmp & 255);
-				else
-					printf("(%s)", ic->name);
-				break;
-			case AF_INET6:
-				printf(" return-icmp6");
-				if (ic6 == NULL)
-					printf("(%u)", r->return_icmp6 & 255);
-				else
-					printf("(%s)", ic6->name);
-				break;
-			default:
-				printf(" return-icmp");
-				if (ic == NULL)
-					printf("(%u, ", r->return_icmp & 255);
-				else
-					printf("(%s, ", ic->name);
-				if (ic6 == NULL)
-					printf("%u)", r->return_icmp6 & 255);
+	struct pfr_buffer	 ab;
+	struct node_tinit	*ti;
+
+	bzero(&ab, sizeof(ab));
+	ab.pfrb_type = PFRB_ADDRS;
+	SIMPLEQ_FOREACH(ti, &opts->init_nodes, entries) {
+		if (ti->file)
+			if (pfr_buf_load(&ab, ti->file, 0, append_addr)) {
+				if (errno)
+					yyerror("cannot load \"%s\": %s",
+					    ti->file, strerror(errno));
 				else
-					printf("%s)", ic6->name);
-				break;
+					yyerror("file \"%s\" contains bad data",
+					    ti->file);
+				goto _error;
+			}
+		if (ti->host)
+			if (append_addr_host(&ab, ti->host, 0, 0)) {
+				yyerror("cannot create address buffer: %s",
+				    strerror(errno));
+				goto _error;
 			}
-		} else
-			printf(" drop");
-	}
-	if (r->direction == PF_IN)
-		printf(" in");
-	else if (r->direction == PF_OUT)
-		printf(" out");
-	if (r->log == 1)
-		printf(" log");
-	else if (r->log == 2)
-		printf(" log-all");
-	if (r->quick)
-		printf(" quick");
-	if (r->ifname[0]) {
-		if (r->ifnot)
-			printf(" on ! %s", r->ifname);
-		else
-			printf(" on %s", r->ifname);
 	}
-	if (r->rt) {
-		if (r->rt == PF_ROUTETO)
-			printf(" route-to");
-		else if (r->rt == PF_REPLYTO)
-			printf(" reply-to");
-		else if (r->rt == PF_DUPTO)
-			printf(" dup-to");
-		else if (r->rt == PF_FASTROUTE)
-			printf(" fastroute");
-		if (r->rt != PF_FASTROUTE) {
-			printf(" ");
-			print_pool(&r->rpool, 0, 0, r->af, PF_PASS);
-		}
+	if (pf->opts & PF_OPT_VERBOSE)
+		print_tabledef(name, opts->flags, opts->init_addr,
+		    &opts->init_nodes);
+	if (!(pf->opts & PF_OPT_NOACTION) &&
+	    pfctl_define_table(name, opts->flags, opts->init_addr,
+	    pf->anchor, &ab, pf->tticket)) {
+		yyerror("cannot define table %s: %s", name,
+		    pfr_strerror(errno));
+		goto _error;
 	}
-	if (r->af) {
-		if (r->af == AF_INET)
-			printf(" inet");
-		else
-			printf(" inet6");
+	pf->tdirty = 1;
+	pfr_buf_clear(&ab);
+	return (0);
+_error:
+	pfr_buf_clear(&ab);
+	return (-1);
+}
+
+struct keywords {
+	const char	*k_name;
+	int		 k_val;
+};
+
+/* macro gore, but you should've seen the prior indentation nightmare... */
+
+#define FREE_LIST(T,r) \
+	do { \
+		T *p, *node = r; \
+		while (node != NULL) { \
+			p = node; \
+			node = node->next; \
+			free(p); \
+		} \
+	} while (0)
+
+#define LOOP_THROUGH(T,n,r,C) \
+	do { \
+		T *n; \
+		if (r == NULL) { \
+			r = calloc(1, sizeof(T)); \
+			if (r == NULL) \
+				err(1, "LOOP: calloc"); \
+			r->next = NULL; \
+		} \
+		n = r; \
+		while (n != NULL) { \
+			do { \
+				C; \
+			} while (0); \
+			n = n->next; \
+		} \
+	} while (0)
+
+void
+expand_label_str(char *label, size_t len, const char *srch, const char *repl)
+{
+	char *tmp;
+	char *p, *q;
+
+	if ((tmp = calloc(1, len)) == NULL)
+		err(1, "expand_label_str: calloc");
+	p = q = label;
+	while ((q = strstr(p, srch)) != NULL) {
+		*q = '\0';
+		if ((strlcat(tmp, p, len) >= len) ||
+		    (strlcat(tmp, repl, len) >= len))
+			errx(1, "expand_label: label too long");
+		q += strlen(srch);
+		p = q;
 	}
-	if (r->proto) {
-		struct protoent	*p;
+	if (strlcat(tmp, p, len) >= len)
+		errx(1, "expand_label: label too long");
+	strlcpy(label, tmp, len);	/* always fits */
+	free(tmp);
+}
 
-		if ((p = getprotobynumber(r->proto)) != NULL)
-			printf(" proto %s", p->p_name);
+void
+expand_label_if(const char *name, char *label, size_t len, const char *ifname)
+{
+	if (strstr(label, name) != NULL) {
+		if (!*ifname)
+			expand_label_str(label, len, name, "any");
 		else
-			printf(" proto %u", r->proto);
-	}
-	print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto,
-	    verbose);
-	if (r->uid.op)
-		print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user",
-		    UID_MAX);
-	if (r->gid.op)
-		print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group",
-		    GID_MAX);
-	if (r->flags || r->flagset) {
-		printf(" flags ");
-		print_flags(r->flags);
-		printf("/");
-		print_flags(r->flagset);
+			expand_label_str(label, len, name, ifname);
 	}
-	if (r->type) {
-		const struct icmptypeent	*it;
+}
 
-		it = geticmptypebynumber(r->type-1, r->af);
-		if (r->af != AF_INET6)
-			printf(" icmp-type");
-		else
-			printf(" icmp6-type");
-		if (it != NULL)
-			printf(" %s", it->name);
-		else
-			printf(" %u", r->type-1);
-		if (r->code) {
-			const struct icmpcodeent	*ic;
+void
+expand_label_addr(const char *name, char *label, size_t len, sa_family_t af,
+    struct node_host *h)
+{
+	char tmp[64], tmp_not[66];
 
-			ic = geticmpcodebynumber(r->type-1, r->code-1, r->af);
-			if (ic != NULL)
-				printf(" code %s", ic->name);
-			else
-				printf(" code %u", r->code-1);
-		}
-	}
-	if (r->tos)
-		printf(" tos 0x%2.2x", r->tos);
-	if (r->keep_state == PF_STATE_NORMAL)
-		printf(" keep state");
-	else if (r->keep_state == PF_STATE_MODULATE)
-		printf(" modulate state");
-	else if (r->keep_state == PF_STATE_SYNPROXY)
-		printf(" synproxy state");
-	if (r->prob) {
-		char	buf[20];
-
-		snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0));
-		for (i = strlen(buf)-1; i > 0; i--) {
-			if (buf[i] == '0')
-				buf[i] = '\0';
+	if (strstr(label, name) != NULL) {
+		switch (h->addr.type) {
+		case PF_ADDR_DYNIFTL:
+			snprintf(tmp, sizeof(tmp), "(%s)", h->addr.v.ifname);
+			break;
+		case PF_ADDR_TABLE:
+			snprintf(tmp, sizeof(tmp), "<%s>", h->addr.v.tblname);
+			break;
+		case PF_ADDR_NOROUTE:
+			snprintf(tmp, sizeof(tmp), "no-route");
+			break;
+		case PF_ADDR_ADDRMASK:
+			if (!af || (PF_AZERO(&h->addr.v.a.addr, af) &&
+			    PF_AZERO(&h->addr.v.a.mask, af)))
+				snprintf(tmp, sizeof(tmp), "any");
 			else {
-				if (buf[i] == '.')
-					buf[i] = '\0';
-				break;
+				char	a[48];
+				int	bits;
+
+				if (inet_ntop(af, &h->addr.v.a.addr, a,
+				    sizeof(a)) == NULL)
+					snprintf(tmp, sizeof(tmp), "?");
+				else {
+					bits = unmask(&h->addr.v.a.mask, af);
+					if ((af == AF_INET && bits < 32) ||
+					    (af == AF_INET6 && bits < 128))
+						snprintf(tmp, sizeof(tmp),
+						    "%s/%d", a, bits);
+					else
+						snprintf(tmp, sizeof(tmp),
+						    "%s", a);
+				}
 			}
+			break;
+		default:
+			snprintf(tmp, sizeof(tmp), "?");
+			break;
 		}
-		printf(" probability %s%%", buf);
-	}
-	opts = 0;
-	if (r->max_states || r->max_src_nodes || r->max_src_states)
-		opts = 1;
-	if (r->rule_flag & PFRULE_NOSYNC)
-		opts = 1;
-	if (r->rule_flag & PFRULE_SRCTRACK)
-		opts = 1;
-	if (r->rule_flag & (PFRULE_IFBOUND | PFRULE_GRBOUND))
-		opts = 1;
-	for (i = 0; !opts && i < PFTM_MAX; ++i)
-		if (r->timeout[i])
-			opts = 1;
-	if (opts) {
-		printf(" (");
-		if (r->max_states) {
-			printf("max %u", r->max_states);
-			opts = 0;
-		}
-		if (r->rule_flag & PFRULE_NOSYNC) {
-			if (!opts)
-				printf(", ");
-			printf("no-sync");
-			opts = 0;
-		}
-		if (r->rule_flag & PFRULE_SRCTRACK) {
-			if (!opts)
-				printf(", ");
-			printf("source-track");
-			if (r->rule_flag & PFRULE_RULESRCTRACK)
-				printf(" rule");
-			else
-				printf(" global");
-			opts = 0;
-		}
-		if (r->max_src_states) {
-			if (!opts)
-				printf(", ");
-			printf("max-src-states %u", r->max_src_states);
-			opts = 0;
-		}
-		if (r->max_src_conn) {
-			if (!opts)
-				printf(", ");
-			printf("max-src-conn %u", r->max_src_conn);
-			opts = 0;
-		}
-		if (r->max_src_conn_rate.limit) {
-			if (!opts)
-				printf(", ");
-			printf("max-src-conn-rate %u/%u",
-			    r->max_src_conn_rate.limit,
-			    r->max_src_conn_rate.seconds);
-			opts = 0;
-		}
-		if (r->max_src_nodes) {
-			if (!opts)
-				printf(", ");
-			printf("max-src-nodes %u", r->max_src_nodes);
-			opts = 0;
-		}
-		if (r->overload_tblname[0]) {
-			if (!opts)
-				printf(", ");
-			printf("overload <%s>", r->overload_tblname);
-			if (r->rule_flag & PFRULE_SRCTRACK_FLUSH)
-				printf(" flush");
-		}
-		if (r->rule_flag & PFRULE_IFBOUND) {
-			if (!opts)
-				printf(", ");
-			printf("if-bound");
-			opts = 0;
-		}
-		if (r->rule_flag & PFRULE_GRBOUND) {
-			if (!opts)
-				printf(", ");
-			printf("group-bound");
-			opts = 0;
-		}
-		for (i = 0; i < PFTM_MAX; ++i)
-			if (r->timeout[i]) {
-				int j;
-
-				if (!opts)
-					printf(", ");
-				opts = 0;
-				for (j = 0; j < sizeof(pf_timeouts) /
-				    sizeof(pf_timeouts[0]); ++j)
-					if (pf_timeouts[j].timeout == i)
-						break;
-				printf("%s %u", j == PFTM_MAX ?  "inv.timeout" :
-				    pf_timeouts[j].name, r->timeout[i]);
-			}
-		printf(")");
-	}
-	if (r->rule_flag & PFRULE_FRAGMENT)
-		printf(" fragment");
-	if (r->rule_flag & PFRULE_NODF)
-		printf(" no-df");
-	if (r->rule_flag & PFRULE_RANDOMID)
-		printf(" random-id");
-	if (r->min_ttl)
-		printf(" min-ttl %d", r->min_ttl);
-	if (r->max_mss)
-		printf(" max-mss %d", r->max_mss);
-	if (r->allow_opts)
-		printf(" allow-opts");
-	if (r->action == PF_SCRUB) {
-		if (r->rule_flag & PFRULE_REASSEMBLE_TCP)
-			printf(" reassemble tcp");
-
-		if (r->rule_flag & PFRULE_FRAGDROP)
-			printf(" fragment drop-ovl");
-		else if (r->rule_flag & PFRULE_FRAGCROP)
-			printf(" fragment crop");
-		else
-			printf(" fragment reassemble");
-	}
-	if (r->label[0])
-		printf(" label \"%s\"", r->label);
-	if (r->qname[0] && r->pqname[0])
-		printf(" queue(%s, %s)", r->qname, r->pqname);
-	else if (r->qname[0])
-		printf(" queue %s", r->qname);
-	if (r->tagname[0])
-		printf(" tag %s", r->tagname);
-	if (r->match_tagname[0]) {
-		if (r->match_tag_not)
-			printf(" !");
-		printf(" tagged %s", r->match_tagname);
-	}
-	if (!anchor_call[0] && (r->action == PF_NAT ||
-	    r->action == PF_BINAT || r->action == PF_RDR)) {
-		printf(" -> ");
-		print_pool(&r->rpool, r->rpool.proxy_port[0],
-		    r->rpool.proxy_port[1], r->af, r->action);
+
+		if (h->not) {
+			snprintf(tmp_not, sizeof(tmp_not), "! %s", tmp);
+			expand_label_str(label, len, name, tmp_not);
+		} else
+			expand_label_str(label, len, name, tmp);
 	}
-	printf("\n");
 }
 
 void
-print_tabledef(const char *name, int flags, int addrs,
-    struct node_tinithead *nodes)
+expand_label_port(const char *name, char *label, size_t len,
+    struct node_port *port)
 {
-	struct node_tinit	*ti, *nti;
-	struct node_host	*h;
+	char	 a1[6], a2[6], op[13] = "";
 
-	printf("table <%s>", name);
-	if (flags & PFR_TFLAG_CONST)
-		printf(" const");
-	if (flags & PFR_TFLAG_PERSIST)
-		printf(" persist");
-	SIMPLEQ_FOREACH(ti, nodes, entries) {
-		if (ti->file) {
-			printf(" file \"%s\"", ti->file);
-			continue;
-		}
-		printf(" {");
-		for (;;) {
-			for (h = ti->host; h != NULL; h = h->next) {
-				printf(h->not ? " !" : " ");
-				print_addr(&h->addr, h->af, 0);
-			}
-			nti = SIMPLEQ_NEXT(ti, entries);
-			if (nti != NULL && nti->file == NULL)
-				ti = nti;	/* merge lists */
-			else
-				break;
-		}
-		printf(" }");
+	if (strstr(label, name) != NULL) {
+		snprintf(a1, sizeof(a1), "%u", ntohs(port->port[0]));
+		snprintf(a2, sizeof(a2), "%u", ntohs(port->port[1]));
+		if (!port->op)
+			;
+		else if (port->op == PF_OP_IRG)
+			snprintf(op, sizeof(op), "%s><%s", a1, a2);
+		else if (port->op == PF_OP_XRG)
+			snprintf(op, sizeof(op), "%s<>%s", a1, a2);
+		else if (port->op == PF_OP_EQ)
+			snprintf(op, sizeof(op), "%s", a1);
+		else if (port->op == PF_OP_NE)
+			snprintf(op, sizeof(op), "!=%s", a1);
+		else if (port->op == PF_OP_LT)
+			snprintf(op, sizeof(op), "<%s", a1);
+		else if (port->op == PF_OP_LE)
+			snprintf(op, sizeof(op), "<=%s", a1);
+		else if (port->op == PF_OP_GT)
+			snprintf(op, sizeof(op), ">%s", a1);
+		else if (port->op == PF_OP_GE)
+			snprintf(op, sizeof(op), ">=%s", a1);
+		expand_label_str(label, len, name, op);
 	}
-	if (addrs && SIMPLEQ_EMPTY(nodes))
-		printf(" { }");
-	printf("\n");
 }
 
-int
-parse_flags(char *s)
+void
+expand_label_proto(const char *name, char *label, size_t len, u_int8_t proto)
 {
-	char		*p, *q;
-	u_int8_t	 f = 0;
+	struct protoent *pe;
+	char n[4];
 
-	for (p = s; *p; p++) {
-		if ((q = strchr(tcpflags, *p)) == NULL)
-			return -1;
-		else
-			f |= 1 << (q - tcpflags);
+	if (strstr(label, name) != NULL) {
+		pe = getprotobynumber(proto);
+		if (pe != NULL)
+			expand_label_str(label, len, name, pe->p_name);
+		else {
+			snprintf(n, sizeof(n), "%u", proto);
+			expand_label_str(label, len, name, n);
+		}
 	}
-	return (f ? f : PF_TH_ALL);
 }
 
 void
-set_ipmask(struct node_host *h, u_int8_t b)
+expand_label_nr(const char *name, char *label, size_t len)
 {
-	struct pf_addr	*m, *n;
-	int		 i, j = 0;
-
-	m = &h->addr.v.a.mask;
-	memset(m, 0, sizeof(*m));
+	char n[11];
 
-	while (b >= 32) {
-		m->addr32[j++] = 0xffffffff;
-		b -= 32;
+	if (strstr(label, name) != NULL) {
+		snprintf(n, sizeof(n), "%u", pf->rule_nr);
+		expand_label_str(label, len, name, n);
 	}
-	for (i = 31; i > 31-b; --i)
-		m->addr32[j] |= (1 << i);
-	if (b)
-		m->addr32[j] = htonl(m->addr32[j]);
-
-	/* Mask off bits of the address that will never be used. */
-	n = &h->addr.v.a.addr;
-	if (h->addr.type == PF_ADDR_ADDRMASK)
-		for (i = 0; i < 4; i++)
-			n->addr32[i] = n->addr32[i] & m->addr32[i];
+}
+
+void
+expand_label(char *label, size_t len, const char *ifname, sa_family_t af,
+    struct node_host *src_host, struct node_port *src_port,
+    struct node_host *dst_host, struct node_port *dst_port,
+    u_int8_t proto)
+{
+	expand_label_if("$if", label, len, ifname);
+	expand_label_addr("$srcaddr", label, len, af, src_host);
+	expand_label_addr("$dstaddr", label, len, af, dst_host);
+	expand_label_port("$srcport", label, len, src_port);
+	expand_label_port("$dstport", label, len, dst_port);
+	expand_label_proto("$proto", label, len, proto);
+	expand_label_nr("$nr", label, len);
 }
 
 int
-check_netmask(struct node_host *h, sa_family_t af)
+expand_altq(struct pf_altq *a, struct node_if *interfaces,
+    struct node_queue *nqueues, struct node_queue_bw bwspec,
+    struct node_queue_opt *opts)
 {
-	struct node_host	*n = NULL;
-	struct pf_addr	*m;
+	struct pf_altq		 pa, pb;
+	char			 qname[PF_QNAME_SIZE];
+	struct node_queue	*n;
+	struct node_queue_bw	 bw;
+	int			 errs = 0;
 
-	for (n = h; n != NULL; n = n->next) {
-		if (h->addr.type == PF_ADDR_TABLE)
-			continue;
-		m = &h->addr.v.a.mask;
-		/* fix up netmask for dynaddr */
-		if (af == AF_INET && h->addr.type == PF_ADDR_DYNIFTL &&
-		    unmask(m, AF_INET6) > 32)
-			set_ipmask(n, 32);
-		/* netmasks > 32 bit are invalid on v4 */
-		if (af == AF_INET &&
-		    (m->addr32[1] || m->addr32[2] || m->addr32[3])) {
-			fprintf(stderr, "netmask %u invalid for IPv4 address\n",
-			    unmask(m, AF_INET6));
-			return (1);
-		}
+	if ((pf->loadopt & PFCTL_FLAG_ALTQ) == 0) {
+		FREE_LIST(struct node_if, interfaces);
+		FREE_LIST(struct node_queue, nqueues);
+		return (0);
 	}
-	return (0);
-}
 
-/* interface lookup routines */
+	LOOP_THROUGH(struct node_if, interface, interfaces,
+		memcpy(&pa, a, sizeof(struct pf_altq));
+		if (strlcpy(pa.ifname, interface->ifname,
+		    sizeof(pa.ifname)) >= sizeof(pa.ifname))
+			errx(1, "expand_altq: strlcpy");
 
-struct node_host	*iftab;
+		if (interface->not) {
+			yyerror("altq on ! <interface> is not supported");
+			errs++;
+		} else {
+			if (eval_pfaltq(pf, &pa, &bwspec, opts))
+				errs++;
+			else
+				if (pfctl_add_altq(pf, &pa))
+					errs++;
 
-void
-ifa_load(void)
-{
-	struct ifaddrs		*ifap, *ifa;
-	struct node_host	*n = NULL, *h = NULL;
+			if (pf->opts & PF_OPT_VERBOSE) {
+				print_altq(&pf->paltq->altq, 0,
+				    &bwspec, opts);
+				if (nqueues && nqueues->tail) {
+					printf("queue { ");
+					LOOP_THROUGH(struct node_queue, queue,
+					    nqueues,
+						printf("%s ",
+						    queue->queue);
+					);
+					printf("}");
+				}
+				printf("\n");
+			}
 
-	if (getifaddrs(&ifap) < 0)
-		err(1, "getifaddrs");
+			if (pa.scheduler == ALTQT_CBQ ||
+			    pa.scheduler == ALTQT_HFSC) {
+				/* now create a root queue */
+				memset(&pb, 0, sizeof(struct pf_altq));
+				if (strlcpy(qname, "root_", sizeof(qname)) >=
+				    sizeof(qname))
+					errx(1, "expand_altq: strlcpy");
+				if (strlcat(qname, interface->ifname,
+				    sizeof(qname)) >= sizeof(qname))
+					errx(1, "expand_altq: strlcat");
+				if (strlcpy(pb.qname, qname,
+				    sizeof(pb.qname)) >= sizeof(pb.qname))
+					errx(1, "expand_altq: strlcpy");
+				if (strlcpy(pb.ifname, interface->ifname,
+				    sizeof(pb.ifname)) >= sizeof(pb.ifname))
+					errx(1, "expand_altq: strlcpy");
+				pb.qlimit = pa.qlimit;
+				pb.scheduler = pa.scheduler;
+				bw.bw_absolute = pa.ifbandwidth;
+				bw.bw_percent = 0;
+				if (eval_pfqueue(pf, &pb, &bw, opts))
+					errs++;
+				else
+					if (pfctl_add_altq(pf, &pb))
+						errs++;
+			}
 
-	for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
-		if (!(ifa->ifa_addr->sa_family == AF_INET ||
-		    ifa->ifa_addr->sa_family == AF_INET6 ||
-		    ifa->ifa_addr->sa_family == AF_LINK))
-				continue;
-		n = calloc(1, sizeof(struct node_host));
-		if (n == NULL)
-			err(1, "address: calloc");
-		n->af = ifa->ifa_addr->sa_family;
-		n->ifa_flags = ifa->ifa_flags;
-#ifdef __KAME__
-		if (n->af == AF_INET6 &&
-		    IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *)
-		    ifa->ifa_addr)->sin6_addr) &&
-		    ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id ==
-		    0) {
-			struct sockaddr_in6	*sin6;
-
-			sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
-			sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 |
-			    sin6->sin6_addr.s6_addr[3];
-			sin6->sin6_addr.s6_addr[2] = 0;
-			sin6->sin6_addr.s6_addr[3] = 0;
+			LOOP_THROUGH(struct node_queue, queue, nqueues,
+				n = calloc(1, sizeof(struct node_queue));
+				if (n == NULL)
+					err(1, "expand_altq: calloc");
+				if (pa.scheduler == ALTQT_CBQ ||
+				    pa.scheduler == ALTQT_HFSC)
+					if (strlcpy(n->parent, qname,
+					    sizeof(n->parent)) >=
+					    sizeof(n->parent))
+						errx(1, "expand_altq: strlcpy");
+				if (strlcpy(n->queue, queue->queue,
+				    sizeof(n->queue)) >= sizeof(n->queue))
+					errx(1, "expand_altq: strlcpy");
+				if (strlcpy(n->ifname, interface->ifname,
+				    sizeof(n->ifname)) >= sizeof(n->ifname))
+					errx(1, "expand_altq: strlcpy");
+				n->scheduler = pa.scheduler;
+				n->next = NULL;
+				n->tail = n;
+				if (queues == NULL)
+					queues = n;
+				else {
+					queues->tail->next = n;
+					queues->tail = n;
+				}
+			);
 		}
-#endif
-		n->ifindex = 0;
-		if (n->af == AF_INET) {
-			memcpy(&n->addr.v.a.addr, &((struct sockaddr_in *)
-			    ifa->ifa_addr)->sin_addr.s_addr,
-			    sizeof(struct in_addr));
-			memcpy(&n->addr.v.a.mask, &((struct sockaddr_in *)
-			    ifa->ifa_netmask)->sin_addr.s_addr,
-			    sizeof(struct in_addr));
-			if (ifa->ifa_broadaddr != NULL)
-				memcpy(&n->bcast, &((struct sockaddr_in *)
-				    ifa->ifa_broadaddr)->sin_addr.s_addr,
-				    sizeof(struct in_addr));
-			if (ifa->ifa_dstaddr != NULL)
-				memcpy(&n->peer, &((struct sockaddr_in *)
-				    ifa->ifa_dstaddr)->sin_addr.s_addr,
-				    sizeof(struct in_addr));
-		} else if (n->af == AF_INET6) {
-			memcpy(&n->addr.v.a.addr, &((struct sockaddr_in6 *)
-			    ifa->ifa_addr)->sin6_addr.s6_addr,
-			    sizeof(struct in6_addr));
-			memcpy(&n->addr.v.a.mask, &((struct sockaddr_in6 *)
-			    ifa->ifa_netmask)->sin6_addr.s6_addr,
-			    sizeof(struct in6_addr));
-			if (ifa->ifa_broadaddr != NULL)
-				memcpy(&n->bcast, &((struct sockaddr_in6 *)
-				    ifa->ifa_broadaddr)->sin6_addr.s6_addr,
-				    sizeof(struct in6_addr));
-			if (ifa->ifa_dstaddr != NULL)
-				 memcpy(&n->peer, &((struct sockaddr_in6 *)
-				    ifa->ifa_dstaddr)->sin6_addr.s6_addr,
-				    sizeof(struct in6_addr));
-			n->ifindex = ((struct sockaddr_in6 *)
-			    ifa->ifa_addr)->sin6_scope_id;
-		}
-		if ((n->ifname = strdup(ifa->ifa_name)) == NULL)
-			err(1, "ifa_load: strdup");
-		n->next = NULL;
-		n->tail = n;
-		if (h == NULL)
-			h = n;
-		else {
-			h->tail->next = n;
-			h->tail = n;
-		}
-	}
+	);
+	FREE_LIST(struct node_if, interfaces);
+	FREE_LIST(struct node_queue, nqueues);
 
-	iftab = h;
-	freeifaddrs(ifap);
+	return (errs);
 }
 
-struct node_host *
-ifa_exists(const char *ifa_name, int group_ok)
+int
+expand_queue(struct pf_altq *a, struct node_if *interfaces,
+    struct node_queue *nqueues, struct node_queue_bw bwspec,
+    struct node_queue_opt *opts)
 {
-	struct node_host	*n;
+	struct node_queue	*n, *nq;
+	struct pf_altq		 pa;
+	u_int8_t		 found = 0;
+	u_int8_t		 errs = 0;
 
-	if (iftab == NULL)
-		ifa_load();
+	if ((pf->loadopt & PFCTL_FLAG_ALTQ) == 0) {
+		FREE_LIST(struct node_queue, nqueues);
+		return (0);
+	}
 
-	for (n = iftab; n; n = n->next) {
-		if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ))
-			return (n);
+	if (queues == NULL) {
+		yyerror("queue %s has no parent", a->qname);
+		FREE_LIST(struct node_queue, nqueues);
+		return (1);
 	}
 
-	return (NULL);
+	LOOP_THROUGH(struct node_if, interface, interfaces,
+		LOOP_THROUGH(struct node_queue, tqueue, queues,
+			if (!strncmp(a->qname, tqueue->queue, PF_QNAME_SIZE) &&
+			    (interface->ifname[0] == 0 ||
+			    (!interface->not && !strncmp(interface->ifname,
+			    tqueue->ifname, IFNAMSIZ)) ||
+			    (interface->not && strncmp(interface->ifname,
+			    tqueue->ifname, IFNAMSIZ)))) {
+				/* found ourself in queues */
+				found++;
+
+				memcpy(&pa, a, sizeof(struct pf_altq));
+
+				if (pa.scheduler != ALTQT_NONE &&
+				    pa.scheduler != tqueue->scheduler) {
+					yyerror("exactly one scheduler type "
+					    "per interface allowed");
+					return (1);
+				}
+				pa.scheduler = tqueue->scheduler;
+
+				/* scheduler dependent error checking */
+				switch (pa.scheduler) {
+				case ALTQT_PRIQ:
+					if (nqueues != NULL) {
+						yyerror("priq queues cannot "
+						    "have child queues");
+						return (1);
+					}
+					if (bwspec.bw_absolute > 0 ||
+					    bwspec.bw_percent < 100) {
+						yyerror("priq doesn't take "
+						    "bandwidth");
+						return (1);
+					}
+					break;
+				default:
+					break;
+				}
+
+				if (strlcpy(pa.ifname, tqueue->ifname,
+				    sizeof(pa.ifname)) >= sizeof(pa.ifname))
+					errx(1, "expand_queue: strlcpy");
+				if (strlcpy(pa.parent, tqueue->parent,
+				    sizeof(pa.parent)) >= sizeof(pa.parent))
+					errx(1, "expand_queue: strlcpy");
+
+				if (eval_pfqueue(pf, &pa, &bwspec, opts))
+					errs++;
+				else
+					if (pfctl_add_altq(pf, &pa))
+						errs++;
+
+				for (nq = nqueues; nq != NULL; nq = nq->next) {
+					if (!strcmp(a->qname, nq->queue)) {
+						yyerror("queue cannot have "
+						    "itself as child");
+						errs++;
+						continue;
+					}
+					n = calloc(1,
+					    sizeof(struct node_queue));
+					if (n == NULL)
+						err(1, "expand_queue: calloc");
+					if (strlcpy(n->parent, a->qname,
+					    sizeof(n->parent)) >=
+					    sizeof(n->parent))
+						errx(1, "expand_queue strlcpy");
+					if (strlcpy(n->queue, nq->queue,
+					    sizeof(n->queue)) >=
+					    sizeof(n->queue))
+						errx(1, "expand_queue strlcpy");
+					if (strlcpy(n->ifname, tqueue->ifname,
+					    sizeof(n->ifname)) >=
+					    sizeof(n->ifname))
+						errx(1, "expand_queue strlcpy");
+					n->scheduler = tqueue->scheduler;
+					n->next = NULL;
+					n->tail = n;
+					if (queues == NULL)
+						queues = n;
+					else {
+						queues->tail->next = n;
+						queues->tail = n;
+					}
+				}
+				if ((pf->opts & PF_OPT_VERBOSE) && (
+				    (found == 1 && interface->ifname[0] == 0) ||
+				    (found > 0 && interface->ifname[0] != 0))) {
+					print_queue(&pf->paltq->altq, 0,
+					    &bwspec, interface->ifname[0] != 0,
+					    opts);
+					if (nqueues && nqueues->tail) {
+						printf("{ ");
+						LOOP_THROUGH(struct node_queue,
+						    queue, nqueues,
+							printf("%s ",
+							    queue->queue);
+						);
+						printf("}");
+					}
+					printf("\n");
+				}
+			}
+		);
+	);
+
+	FREE_LIST(struct node_queue, nqueues);
+	FREE_LIST(struct node_if, interfaces);
+
+	if (!found) {
+		yyerror("queue %s has no parent", a->qname);
+		errs++;
+	}
+
+	if (errs)
+		return (1);
+	else
+		return (0);
 }
 
-struct node_host *
-ifa_lookup(const char *ifa_name, int flags)
+void
+expand_rule(struct pf_rule *r,
+    struct node_if *interfaces, struct node_host *rpool_hosts,
+    struct node_proto *protos, struct node_os *src_oses,
+    struct node_host *src_hosts, struct node_port *src_ports,
+    struct node_host *dst_hosts, struct node_port *dst_ports,
+    struct node_uid *uids, struct node_gid *gids, struct node_icmp *icmp_types,
+    const char *anchor_call)
 {
-	struct node_host	*p = NULL, *h = NULL, *n = NULL;
-	int			 got4 = 0, got6 = 0;
-	const char		 *last_if = NULL;
+	sa_family_t		 af = r->af;
+	int			 added = 0, error = 0;
+	char			 ifname[IF_NAMESIZE];
+	char			 label[PF_RULE_LABEL_SIZE];
+	char			 tagname[PF_TAG_NAME_SIZE];
+	char			 match_tagname[PF_TAG_NAME_SIZE];
+	struct pf_pooladdr	*pa;
+	struct node_host	*h;
+	u_int8_t		 flags, flagset, keep_state;
 
-	if (!strncmp(ifa_name, "self", IFNAMSIZ))
-		ifa_name = NULL;
+	if (strlcpy(label, r->label, sizeof(label)) >= sizeof(label))
+		errx(1, "expand_rule: strlcpy");
+	if (strlcpy(tagname, r->tagname, sizeof(tagname)) >= sizeof(tagname))
+		errx(1, "expand_rule: strlcpy");
+	if (strlcpy(match_tagname, r->match_tagname, sizeof(match_tagname)) >=
+	    sizeof(match_tagname))
+		errx(1, "expand_rule: strlcpy");
+	flags = r->flags;
+	flagset = r->flagset;
+	keep_state = r->keep_state;
 
-	if (iftab == NULL)
-		ifa_load();
+	LOOP_THROUGH(struct node_if, interface, interfaces,
+	LOOP_THROUGH(struct node_proto, proto, protos,
+	LOOP_THROUGH(struct node_icmp, icmp_type, icmp_types,
+	LOOP_THROUGH(struct node_host, src_host, src_hosts,
+	LOOP_THROUGH(struct node_port, src_port, src_ports,
+	LOOP_THROUGH(struct node_os, src_os, src_oses,
+	LOOP_THROUGH(struct node_host, dst_host, dst_hosts,
+	LOOP_THROUGH(struct node_port, dst_port, dst_ports,
+	LOOP_THROUGH(struct node_uid, uid, uids,
+	LOOP_THROUGH(struct node_gid, gid, gids,
 
-	for (p = iftab; p; p = p->next) {
-		if (ifa_skip_if(ifa_name, p))
-			continue;
-		if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET)
-			continue;
-		if ((flags & PFI_AFLAG_BROADCAST) &&
-		    !(p->ifa_flags & IFF_BROADCAST))
-			continue;
-		if ((flags & PFI_AFLAG_PEER) &&
-		    !(p->ifa_flags & IFF_POINTOPOINT))
-			continue;
-		if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0)
-			continue;
-		if (last_if == NULL || strcmp(last_if, p->ifname))
-			got4 = got6 = 0;
-		last_if = p->ifname;
-		if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4)
+		r->af = af;
+		/* for link-local IPv6 address, interface must match up */
+		if ((r->af && src_host->af && r->af != src_host->af) ||
+		    (r->af && dst_host->af && r->af != dst_host->af) ||
+		    (src_host->af && dst_host->af &&
+		    src_host->af != dst_host->af) ||
+		    (src_host->ifindex && dst_host->ifindex &&
+		    src_host->ifindex != dst_host->ifindex) ||
+		    (src_host->ifindex && *interface->ifname &&
+		    src_host->ifindex != if_nametoindex(interface->ifname)) ||
+		    (dst_host->ifindex && *interface->ifname &&
+		    dst_host->ifindex != if_nametoindex(interface->ifname)))
 			continue;
-		if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6)
-			continue;
-		if (p->af == AF_INET)
-			got4 = 1;
+		if (!r->af && src_host->af)
+			r->af = src_host->af;
+		else if (!r->af && dst_host->af)
+			r->af = dst_host->af;
+
+		if (*interface->ifname)
+			strlcpy(r->ifname, interface->ifname,
+			    sizeof(r->ifname));
+		else if (if_indextoname(src_host->ifindex, ifname))
+			strlcpy(r->ifname, ifname, sizeof(r->ifname));
+		else if (if_indextoname(dst_host->ifindex, ifname))
+			strlcpy(r->ifname, ifname, sizeof(r->ifname));
 		else
-			got6 = 1;
-		n = calloc(1, sizeof(struct node_host));
-		if (n == NULL)
-			err(1, "address: calloc");
-		n->af = p->af;
-		if (flags & PFI_AFLAG_BROADCAST)
-			memcpy(&n->addr.v.a.addr, &p->bcast,
-			    sizeof(struct pf_addr));
-		else if (flags & PFI_AFLAG_PEER)
-			memcpy(&n->addr.v.a.addr, &p->peer,
-			    sizeof(struct pf_addr));
+			memset(r->ifname, '\0', sizeof(r->ifname));
+
+		if (strlcpy(r->label, label, sizeof(r->label)) >=
+		    sizeof(r->label))
+			errx(1, "expand_rule: strlcpy");
+		if (strlcpy(r->tagname, tagname, sizeof(r->tagname)) >=
+		    sizeof(r->tagname))
+			errx(1, "expand_rule: strlcpy");
+		if (strlcpy(r->match_tagname, match_tagname,
+		    sizeof(r->match_tagname)) >= sizeof(r->match_tagname))
+			errx(1, "expand_rule: strlcpy");
+		expand_label(r->label, PF_RULE_LABEL_SIZE, r->ifname, r->af,
+		    src_host, src_port, dst_host, dst_port, proto->proto);
+		expand_label(r->tagname, PF_TAG_NAME_SIZE, r->ifname, r->af,
+		    src_host, src_port, dst_host, dst_port, proto->proto);
+		expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r->ifname,
+		    r->af, src_host, src_port, dst_host, dst_port,
+		    proto->proto);
+
+		error += check_netmask(src_host, r->af);
+		error += check_netmask(dst_host, r->af);
+
+		r->ifnot = interface->not;
+		r->proto = proto->proto;
+		r->src.addr = src_host->addr;
+		r->src.neg = src_host->not;
+		r->src.port[0] = src_port->port[0];
+		r->src.port[1] = src_port->port[1];
+		r->src.port_op = src_port->op;
+		r->dst.addr = dst_host->addr;
+		r->dst.neg = dst_host->not;
+		r->dst.port[0] = dst_port->port[0];
+		r->dst.port[1] = dst_port->port[1];
+		r->dst.port_op = dst_port->op;
+		r->uid.op = uid->op;
+		r->uid.uid[0] = uid->uid[0];
+		r->uid.uid[1] = uid->uid[1];
+		r->gid.op = gid->op;
+		r->gid.gid[0] = gid->gid[0];
+		r->gid.gid[1] = gid->gid[1];
+		r->type = icmp_type->type;
+		r->code = icmp_type->code;
+
+		if ((keep_state == PF_STATE_MODULATE ||
+		    keep_state == PF_STATE_SYNPROXY) &&
+		    r->proto && r->proto != IPPROTO_TCP)
+			r->keep_state = PF_STATE_NORMAL;
 		else
-			memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr,
-			    sizeof(struct pf_addr));
-		if (flags & PFI_AFLAG_NETWORK)
-			set_ipmask(n, unmask(&p->addr.v.a.mask, n->af));
-		else {
-			if (n->af == AF_INET) {
-				if (p->ifa_flags & IFF_LOOPBACK &&
-				    p->ifa_flags & IFF_LINK1)
-					memcpy(&n->addr.v.a.mask,
-					    &p->addr.v.a.mask,
-					    sizeof(struct pf_addr));
-				else
-					set_ipmask(n, 32);
+			r->keep_state = keep_state;
+
+		if (r->proto && r->proto != IPPROTO_TCP) {
+			r->flags = 0;
+			r->flagset = 0;
+		} else {
+			r->flags = flags;
+			r->flagset = flagset;
+		}
+		if (icmp_type->proto && r->proto != icmp_type->proto) {
+			yyerror("icmp-type mismatch");
+			error++;
+		}
+
+		if (src_os && src_os->os) {
+			r->os_fingerprint = pfctl_get_fingerprint(src_os->os);
+			if ((pf->opts & PF_OPT_VERBOSE2) &&
+			    r->os_fingerprint == PF_OSFP_NOMATCH)
+				fprintf(stderr,
+				    "warning: unknown '%s' OS fingerprint\n",
+				    src_os->os);
+		} else {
+			r->os_fingerprint = PF_OSFP_ANY;
+		}
+
+		TAILQ_INIT(&r->rpool.list);
+		for (h = rpool_hosts; h != NULL; h = h->next) {
+			pa = calloc(1, sizeof(struct pf_pooladdr));
+			if (pa == NULL)
+				err(1, "expand_rule: calloc");
+			pa->addr = h->addr;
+			if (h->ifname != NULL) {
+				if (strlcpy(pa->ifname, h->ifname,
+				    sizeof(pa->ifname)) >=
+				    sizeof(pa->ifname))
+					errx(1, "expand_rule: strlcpy");
 			} else
-				set_ipmask(n, 128);
+				pa->ifname[0] = 0;
+			TAILQ_INSERT_TAIL(&r->rpool.list, pa, entries);
 		}
-		n->ifindex = p->ifindex;
 
-		n->next = NULL;
-		n->tail = n;
-		if (h == NULL)
-			h = n;
+		if (rule_consistent(r) < 0 || error)
+			yyerror("skipping rule due to errors");
 		else {
-			h->tail->next = n;
-			h->tail = n;
+			r->nr = pf->rule_nr++;
+			pfctl_add_rule(pf, r, anchor_call);
+			added++;
 		}
-	}
-	return (h);
+
+	))))))))));
+
+	FREE_LIST(struct node_if, interfaces);
+	FREE_LIST(struct node_proto, protos);
+	FREE_LIST(struct node_host, src_hosts);
+	FREE_LIST(struct node_port, src_ports);
+	FREE_LIST(struct node_os, src_oses);
+	FREE_LIST(struct node_host, dst_hosts);
+	FREE_LIST(struct node_port, dst_ports);
+	FREE_LIST(struct node_uid, uids);
+	FREE_LIST(struct node_gid, gids);
+	FREE_LIST(struct node_icmp, icmp_types);
+	FREE_LIST(struct node_host, rpool_hosts);
+
+	if (!added)
+		yyerror("rule expands to no valid combination");
 }
 
+#undef FREE_LIST
+#undef LOOP_THROUGH
+
 int
-ifa_skip_if(const char *filter, struct node_host *p)
+check_rulestate(int desired_state)
 {
-	int	n;
-
-	if (p->af != AF_INET && p->af != AF_INET6)
+	if (require_order && (rulestate > desired_state)) {
+		yyerror("Rules must be in order: options, normalization, "
+		    "queueing, translation, filtering");
 		return (1);
-	if (filter == NULL || !*filter)
-		return (0);
-	if (!strcmp(p->ifname, filter))
-		return (0);	/* exact match */
-	n = strlen(filter);
-	if (n < 1 || n >= IFNAMSIZ)
-		return (1);	/* sanity check */
-	if (filter[n-1] >= '0' && filter[n-1] <= '9')
-		return (1);	/* only do exact match in that case */
-	if (strncmp(p->ifname, filter, n))
-		return (1);	/* prefix doesn't match */
-	return (p->ifname[n] < '0' || p->ifname[n] > '9');
+	}
+	rulestate = desired_state;
+	return (0);
 }
 
+int
+kw_cmp(const void *k, const void *e)
+{
+	return (strcmp(k, ((const struct keywords *)e)->k_name));
+}
 
-struct node_host *
-host(const char *s)
+int
+lookup(char *s)
 {
-	struct node_host	*h = NULL;
-	int			 mask, v4mask, v6mask, cont = 1;
-	char			*p, *q, *ps;
-
-	if ((p = strrchr(s, '/')) != NULL) {
-		mask = strtol(p+1, &q, 0);
-		if (!q || *q || mask > 128 || q == (p+1)) {
-			fprintf(stderr, "invalid netmask '%s'\n", p);
-			return (NULL);
-		}
-		if ((ps = malloc(strlen(s) - strlen(p) + 1)) == NULL)
-			err(1, "host: malloc");
-		strlcpy(ps, s, strlen(s) - strlen(p) + 1);
-		v4mask = v6mask = mask;
+	/* this has to be sorted always */
+	static const struct keywords keywords[] = {
+		{ "all",		ALL},
+		{ "allow-opts",		ALLOWOPTS},
+		{ "altq",		ALTQ},
+		{ "anchor",		ANCHOR},
+		{ "antispoof",		ANTISPOOF},
+		{ "any",		ANY},
+		{ "bandwidth",		BANDWIDTH},
+		{ "binat",		BINAT},
+		{ "binat-anchor",	BINATANCHOR},
+		{ "bitmask",		BITMASK},
+		{ "block",		BLOCK},
+		{ "block-policy",	BLOCKPOLICY},
+		{ "cbq",		CBQ},
+		{ "code",		CODE},
+		{ "crop",		FRAGCROP},
+		{ "debug",		DEBUG},
+		{ "drop",		DROP},
+		{ "drop-ovl",		FRAGDROP},
+		{ "dup-to",		DUPTO},
+		{ "fastroute",		FASTROUTE},
+		{ "file",		FILENAME},
+		{ "fingerprints",	FINGERPRINTS},
+		{ "flags",		FLAGS},
+		{ "floating",		FLOATING},
+		{ "flush",		FLUSH},
+		{ "for",		FOR},
+		{ "fragment",		FRAGMENT},
+		{ "from",		FROM},
+		{ "global",		GLOBAL},
+		{ "group",		GROUP},
+		{ "group-bound",	GRBOUND},
+		{ "hfsc",		HFSC},
+		{ "hostid",		HOSTID},
+		{ "icmp-type",		ICMPTYPE},
+		{ "icmp6-type",		ICMP6TYPE},
+		{ "if-bound",		IFBOUND},
+		{ "in",			IN},
+		{ "inet",		INET},
+		{ "inet6",		INET6},
+		{ "keep",		KEEP},
+		{ "label",		LABEL},
+		{ "limit",		LIMIT},
+		{ "linkshare",		LINKSHARE},
+		{ "load",		LOAD},
+		{ "log",		LOG},
+		{ "log-all",		LOGALL},
+		{ "loginterface",	LOGINTERFACE},
+		{ "max",		MAXIMUM},
+		{ "max-mss",		MAXMSS},
+		{ "max-src-conn",	MAXSRCCONN},
+		{ "max-src-conn-rate",	MAXSRCCONNRATE},
+		{ "max-src-nodes",	MAXSRCNODES},
+		{ "max-src-states",	MAXSRCSTATES},
+		{ "min-ttl",		MINTTL},
+		{ "modulate",		MODULATE},
+		{ "nat",		NAT},
+		{ "nat-anchor",		NATANCHOR},
+		{ "no",			NO},
+		{ "no-df",		NODF},
+		{ "no-route",		NOROUTE},
+		{ "no-sync",		NOSYNC},
+		{ "on",			ON},
+		{ "optimization",	OPTIMIZATION},
+		{ "os",			OS},
+		{ "out",		OUT},
+		{ "overload",		OVERLOAD},
+		{ "pass",		PASS},
+		{ "port",		PORT},
+		{ "priority",		PRIORITY},
+		{ "priq",		PRIQ},
+		{ "probability",	PROBABILITY},
+		{ "proto",		PROTO},
+		{ "qlimit",		QLIMIT},
+		{ "queue",		QUEUE},
+		{ "quick",		QUICK},
+		{ "random",		RANDOM},
+		{ "random-id",		RANDOMID},
+		{ "rdr",		RDR},
+		{ "rdr-anchor",		RDRANCHOR},
+		{ "realtime",		REALTIME},
+		{ "reassemble",		REASSEMBLE},
+		{ "reply-to",		REPLYTO},
+		{ "require-order",	REQUIREORDER},
+		{ "return",		RETURN},
+		{ "return-icmp",	RETURNICMP},
+		{ "return-icmp6",	RETURNICMP6},
+		{ "return-rst",		RETURNRST},
+		{ "round-robin",	ROUNDROBIN},
+		{ "route-to",		ROUTETO},
+		{ "rule",		RULE},
+		{ "scrub",		SCRUB},
+		{ "set",		SET},
+		{ "source-hash",	SOURCEHASH},
+		{ "source-track",	SOURCETRACK},
+		{ "state",		STATE},
+		{ "state-policy",	STATEPOLICY},
+		{ "static-port",	STATICPORT},
+		{ "sticky-address",	STICKYADDRESS},
+		{ "synproxy",		SYNPROXY},
+		{ "table",		TABLE},
+		{ "tag",		TAG},
+		{ "tagged",		TAGGED},
+		{ "tbrsize",		TBRSIZE},
+		{ "timeout",		TIMEOUT},
+		{ "to",			TO},
+		{ "tos",		TOS},
+		{ "ttl",		TTL},
+		{ "upperlimit",		UPPERLIMIT},
+		{ "user",		USER},
+	};
+	const struct keywords	*p;
+
+	p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
+	    sizeof(keywords[0]), kw_cmp);
+
+	if (p) {
+		if (debug > 1)
+			fprintf(stderr, "%s: %d\n", s, p->k_val);
+		return (p->k_val);
 	} else {
-		if ((ps = strdup(s)) == NULL)
-			err(1, "host: strdup");
-		v4mask = 32;
-		v6mask = 128;
-		mask = -1;
+		if (debug > 1)
+			fprintf(stderr, "string: %s\n", s);
+		return (STRING);
 	}
+}
 
-	/* interface with this name exists? */
-	if (cont && (h = host_if(ps, mask)) != NULL)
-		cont = 0;
+#define MAXPUSHBACK	128
 
-	/* IPv4 address? */
-	if (cont && (h = host_v4(s, mask)) != NULL)
-		cont = 0;
+char	*parsebuf;
+int	 parseindex;
+char	 pushback_buffer[MAXPUSHBACK];
+int	 pushback_index = 0;
 
-	/* IPv6 address? */
-	if (cont && (h = host_v6(ps, v6mask)) != NULL)
-		cont = 0;
+int
+lgetc(FILE *f)
+{
+	int	c, next;
+
+	if (parsebuf) {
+		/* Read character from the parsebuffer instead of input. */
+		if (parseindex >= 0) {
+			c = parsebuf[parseindex++];
+			if (c != '\0')
+				return (c);
+			parsebuf = NULL;
+		} else
+			parseindex++;
+	}
 
-	/* dns lookup */
-	if (cont && (h = host_dns(ps, v4mask, v6mask)) != NULL)
-		cont = 0;
-	free(ps);
+	if (pushback_index)
+		return (pushback_buffer[--pushback_index]);
 
-	if (h == NULL || cont == 1) {
-		fprintf(stderr, "no IP address found for %s\n", s);
-		return (NULL);
+	while ((c = getc(f)) == '\\') {
+		next = getc(f);
+		if (next != '\n') {
+			if (isspace(next))
+				yyerror("whitespace after \\");
+			ungetc(next, f);
+			break;
+		}
+		yylval.lineno = lineno;
+		lineno++;
+	}
+	if (c == '\t' || c == ' ') {
+		/* Compress blanks to a single space. */
+		do {
+			c = getc(f);
+		} while (c == '\t' || c == ' ');
+		ungetc(c, f);
+		c = ' ';
 	}
-	return (h);
+
+	return (c);
 }
 
-struct node_host *
-host_if(const char *s, int mask)
+int
+lungetc(int c)
 {
-	struct node_host	*n, *h = NULL;
-	char			*p, *ps;
-	int			 flags = 0;
-
-	if ((ps = strdup(s)) == NULL)
-		err(1, "host_if: strdup");
-	while ((p = strrchr(ps, ':')) != NULL) {
-		if (!strcmp(p+1, "network"))
-			flags |= PFI_AFLAG_NETWORK;
-		else if (!strcmp(p+1, "broadcast"))
-			flags |= PFI_AFLAG_BROADCAST;
-		else if (!strcmp(p+1, "peer"))
-			flags |= PFI_AFLAG_PEER;
-		else if (!strcmp(p+1, "0"))
-			flags |= PFI_AFLAG_NOALIAS;
-		else {
-			free(ps);
-			return (NULL);
-		}
-		*p = '\0';
+	if (c == EOF)
+		return (EOF);
+	if (parsebuf) {
+		parseindex--;
+		if (parseindex >= 0)
+			return (c);
 	}
-	if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */
-		fprintf(stderr, "illegal combination of interface modifiers\n");
-		free(ps);
-		return (NULL);
+	if (pushback_index < MAXPUSHBACK-1)
+		return (pushback_buffer[pushback_index++] = c);
+	else
+		return (EOF);
+}
+
+int
+findeol(void)
+{
+	int	c;
+
+	parsebuf = NULL;
+	pushback_index = 0;
+
+	/* skip to either EOF or the first real EOL */
+	while (1) {
+		c = lgetc(fin);
+		if (c == '\n') {
+			lineno++;
+			break;
+		}
+		if (c == EOF)
+			break;
 	}
-	if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) {
-		fprintf(stderr, "network or broadcast lookup, but "
-		    "extra netmask given\n");
-		free(ps);
-		return (NULL);
+	return (ERROR);
+}
+
+int
+yylex(void)
+{
+	char	 buf[8096];
+	char	*p, *val;
+	int	 endc, c, next;
+	int	 token;
+
+top:
+	p = buf;
+	while ((c = lgetc(fin)) == ' ')
+		; /* nothing */
+
+	yylval.lineno = lineno;
+	if (c == '#')
+		while ((c = lgetc(fin)) != '\n' && c != EOF)
+			; /* nothing */
+	if (c == '$' && parsebuf == NULL) {
+		while (1) {
+			if ((c = lgetc(fin)) == EOF)
+				return (0);
+
+			if (p + 1 >= buf + sizeof(buf) - 1) {
+				yyerror("string too long");
+				return (findeol());
+			}
+			if (isalnum(c) || c == '_') {
+				*p++ = (char)c;
+				continue;
+			}
+			*p = '\0';
+			lungetc(c);
+			break;
+		}
+		val = symget(buf);
+		if (val == NULL) {
+			yyerror("macro '%s' not defined", buf);
+			return (findeol());
+		}
+		parsebuf = val;
+		parseindex = 0;
+		goto top;
 	}
-	if (ifa_exists(ps, 1) || !strncmp(ps, "self", IFNAMSIZ)) {
-		/* interface with this name exists */
-		h = ifa_lookup(ps, flags);
-		for (n = h; n != NULL && mask > -1; n = n->next)
-			set_ipmask(n, mask);
+
+	switch (c) {
+	case '\'':
+	case '"':
+		endc = c;
+		while (1) {
+			if ((c = lgetc(fin)) == EOF)
+				return (0);
+			if (c == endc) {
+				*p = '\0';
+				break;
+			}
+			if (c == '\n') {
+				lineno++;
+				continue;
+			}
+			if (p + 1 >= buf + sizeof(buf) - 1) {
+				yyerror("string too long");
+				return (findeol());
+			}
+			*p++ = (char)c;
+		}
+		yylval.v.string = strdup(buf);
+		if (yylval.v.string == NULL)
+			err(1, "yylex: strdup");
+		return (STRING);
+	case '<':
+		next = lgetc(fin);
+		if (next == '>') {
+			yylval.v.i = PF_OP_XRG;
+			return (PORTBINARY);
+		}
+		lungetc(next);
+		break;
+	case '>':
+		next = lgetc(fin);
+		if (next == '<') {
+			yylval.v.i = PF_OP_IRG;
+			return (PORTBINARY);
+		}
+		lungetc(next);
+		break;
+	case '-':
+		next = lgetc(fin);
+		if (next == '>')
+			return (ARROW);
+		lungetc(next);
+		break;
 	}
 
-	free(ps);
-	return (h);
+#define allowed_in_string(x) \
+	(isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
+	x != '{' && x != '}' && x != '<' && x != '>' && \
+	x != '!' && x != '=' && x != '/' && x != '#' && \
+	x != ','))
+
+	if (isalnum(c) || c == ':' || c == '_') {
+		do {
+			*p++ = c;
+			if ((unsigned)(p-buf) >= sizeof(buf)) {
+				yyerror("string too long");
+				return (findeol());
+			}
+		} while ((c = lgetc(fin)) != EOF && (allowed_in_string(c)));
+		lungetc(c);
+		*p = '\0';
+		if ((token = lookup(buf)) == STRING)
+			if ((yylval.v.string = strdup(buf)) == NULL)
+				err(1, "yylex: strdup");
+		return (token);
+	}
+	if (c == '\n') {
+		yylval.lineno = lineno;
+		lineno++;
+	}
+	if (c == EOF)
+		return (0);
+	return (c);
 }
 
-struct node_host *
-host_v4(const char *s, int mask)
+int
+parse_rules(FILE *input, struct pfctl *xpf)
 {
-	struct node_host	*h = NULL;
-	struct in_addr		 ina;
-	int			 bits = 32;
-
-	memset(&ina, 0, sizeof(struct in_addr));
-	if (strrchr(s, '/') != NULL) {
-		if ((bits = inet_net_pton(AF_INET, s, &ina, sizeof(ina))) == -1)
-			return (NULL);
-	} else {
-		if (inet_pton(AF_INET, s, &ina) != 1)
-			return (NULL);
+	struct sym	*sym, *next;
+
+	fin = input;
+	pf = xpf;
+	lineno = 1;
+	errors = 0;
+	rulestate = PFCTL_STATE_NONE;
+	returnicmpdefault = (ICMP_UNREACH << 8) | ICMP_UNREACH_PORT;
+	returnicmp6default =
+	    (ICMP6_DST_UNREACH << 8) | ICMP6_DST_UNREACH_NOPORT;
+	blockpolicy = PFRULE_DROP;
+	require_order = 1;
+
+	yyparse();
+
+	/* Free macros and check which have not been used. */
+	for (sym = TAILQ_FIRST(&symhead); sym != NULL; sym = next) {
+		next = TAILQ_NEXT(sym, entries);
+		if ((pf->opts & PF_OPT_VERBOSE2) && !sym->used)
+			fprintf(stderr, "warning: macro '%s' not "
+			    "used\n", sym->nam);
+		free(sym->nam);
+		free(sym->val);
+		TAILQ_REMOVE(&symhead, sym, entries);
+		free(sym);
 	}
 
-	h = calloc(1, sizeof(struct node_host));
-	if (h == NULL)
-		err(1, "address: calloc");
-	h->ifname = NULL;
-	h->af = AF_INET;
-	h->addr.v.a.addr.addr32[0] = ina.s_addr;
-	set_ipmask(h, bits);
-	h->next = NULL;
-	h->tail = h;
-
-	return (h);
+	return (errors ? -1 : 0);
 }
 
-struct node_host *
-host_v6(const char *s, int mask)
+/*
+ * Over-designed efficiency is a French and German concept, so how about
+ * we wait until they discover this ugliness and make it all fancy.
+ */
+int
+symset(const char *nam, const char *val, int persist)
 {
-	struct addrinfo		 hints, *res;
-	struct node_host	*h = NULL;
-
-	memset(&hints, 0, sizeof(hints));
-	hints.ai_family = AF_INET6;
-	hints.ai_socktype = SOCK_DGRAM; /*dummy*/
-	hints.ai_flags = AI_NUMERICHOST;
-	if (getaddrinfo(s, "0", &hints, &res) == 0) {
-		h = calloc(1, sizeof(struct node_host));
-		if (h == NULL)
-			err(1, "address: calloc");
-		h->ifname = NULL;
-		h->af = AF_INET6;
-		memcpy(&h->addr.v.a.addr,
-		    &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr,
-		    sizeof(h->addr.v.a.addr));
-		h->ifindex =
-		    ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id;
-		set_ipmask(h, mask);
-		freeaddrinfo(res);
-		h->next = NULL;
-		h->tail = h;
+	struct sym	*sym;
+
+	for (sym = TAILQ_FIRST(&symhead); sym && strcmp(nam, sym->nam);
+	    sym = TAILQ_NEXT(sym, entries))
+		;	/* nothing */
+
+	if (sym != NULL) {
+		if (sym->persist == 1)
+			return (0);
+		else {
+			free(sym->nam);
+			free(sym->val);
+			TAILQ_REMOVE(&symhead, sym, entries);
+			free(sym);
+		}
 	}
+	if ((sym = calloc(1, sizeof(*sym))) == NULL)
+		return (-1);
 
-	return (h);
+	sym->nam = strdup(nam);
+	if (sym->nam == NULL) {
+		free(sym);
+		return (-1);
+	}
+	sym->val = strdup(val);
+	if (sym->val == NULL) {
+		free(sym->nam);
+		free(sym);
+		return (-1);
+	}
+	sym->used = 0;
+	sym->persist = persist;
+	TAILQ_INSERT_TAIL(&symhead, sym, entries);
+	return (0);
 }
 
-struct node_host *
-host_dns(const char *s, int v4mask, int v6mask)
+int
+pfctl_cmdline_symset(char *s)
 {
-	struct addrinfo		 hints, *res0, *res;
-	struct node_host	*n, *h = NULL;
-	int			 error, noalias = 0;
-	int			 got4 = 0, got6 = 0;
-	char			*p, *ps;
-
-	if ((ps = strdup(s)) == NULL)
-		err(1, "host_dns: strdup");
-	if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) {
-		noalias = 1;
-		*p = '\0';
-	}
-	memset(&hints, 0, sizeof(hints));
-	hints.ai_family = PF_UNSPEC;
-	hints.ai_socktype = SOCK_STREAM; /* DUMMY */
-	error = getaddrinfo(ps, NULL, &hints, &res0);
-	if (error) {
-		free(ps);
-		return (h);
+	char	*sym, *val;
+	int	 ret;
+
+	if ((val = strrchr(s, '=')) == NULL)
+		return (-1);
+
+	if ((sym = malloc(strlen(s) - strlen(val) + 1)) == NULL)
+		err(1, "pfctl_cmdline_symset: malloc");
+
+	strlcpy(sym, s, strlen(s) - strlen(val) + 1);
+
+	ret = symset(sym, val + 1, 1);
+	free(sym);
+
+	return (ret);
+}
+
+char *
+symget(const char *nam)
+{
+	struct sym	*sym;
+
+	TAILQ_FOREACH(sym, &symhead, entries)
+		if (strcmp(nam, sym->nam) == 0) {
+			sym->used = 1;
+			return (sym->val);
+		}
+	return (NULL);
+}
+
+void
+decide_address_family(struct node_host *n, sa_family_t *af)
+{
+	sa_family_t	target_af = 0;
+
+	while (!*af && n != NULL) {
+		if (n->af) {
+			if (target_af == 0)
+				target_af = n->af;
+			if (target_af != n->af)
+				return;
+		}
+		n = n->next;
 	}
+	if (!*af && target_af)
+		*af = target_af;
+}
 
-	for (res = res0; res; res = res->ai_next) {
-		if (res->ai_family != AF_INET &&
-		    res->ai_family != AF_INET6)
-			continue;
-		if (noalias) {
-			if (res->ai_family == AF_INET) {
-				if (got4)
-					continue;
-				got4 = 1;
-			} else {
-				if (got6)
-					continue;
-				got6 = 1;
-			}
-		}
-		n = calloc(1, sizeof(struct node_host));
-		if (n == NULL)
-			err(1, "host_dns: calloc");
-		n->ifname = NULL;
-		n->af = res->ai_family;
-		if (res->ai_family == AF_INET) {
-			memcpy(&n->addr.v.a.addr,
-			    &((struct sockaddr_in *)
-			    res->ai_addr)->sin_addr.s_addr,
-			    sizeof(struct in_addr));
-			set_ipmask(n, v4mask);
+void
+remove_invalid_hosts(struct node_host **nh, sa_family_t *af)
+{
+	struct node_host	*n = *nh, *prev = NULL;
+
+	while (n != NULL) {
+		if (*af && n->af && n->af != *af) {
+			/* unlink and free n */
+			struct node_host *next = n->next;
+
+			/* adjust tail pointer */
+			if (n == (*nh)->tail)
+				(*nh)->tail = prev;
+			/* adjust previous node's next pointer */
+			if (prev == NULL)
+				*nh = next;
+			else
+				prev->next = next;
+			/* free node */
+			if (n->ifname != NULL)
+				free(n->ifname);
+			free(n);
+			n = next;
 		} else {
-			memcpy(&n->addr.v.a.addr,
-			    &((struct sockaddr_in6 *)
-			    res->ai_addr)->sin6_addr.s6_addr,
-			    sizeof(struct in6_addr));
-			n->ifindex =
-			    ((struct sockaddr_in6 *)
-			    res->ai_addr)->sin6_scope_id;
-			set_ipmask(n, v6mask);
-		}
-		n->next = NULL;
-		n->tail = n;
-		if (h == NULL)
-			h = n;
-		else {
-			h->tail->next = n;
-			h->tail = n;
+			if (n->af && !*af)
+				*af = n->af;
+			prev = n;
+			n = n->next;
 		}
 	}
-	freeaddrinfo(res0);
-	free(ps);
+}
+
+int
+invalid_redirect(struct node_host *nh, sa_family_t af)
+{
+	if (!af) {
+		struct node_host *n;
 
-	return (h);
+		/* tables and dyniftl are ok without an address family */
+		for (n = nh; n != NULL; n = n->next) {
+			if (n->addr.type != PF_ADDR_TABLE &&
+			    n->addr.type != PF_ADDR_DYNIFTL) {
+				yyerror("address family not given and "
+				    "translation address expands to multiple "
+				    "address families");
+				return (1);
+			}
+		}
+	}
+	if (nh == NULL) {
+		yyerror("no translation address with matching address family "
+		    "found.");
+		return (1);
+	}
+	return (0);
 }
 
-/*
- * convert a hostname to a list of addresses and put them in the given buffer.
- * test:
- *	if set to 1, only simple addresses are accepted (no netblock, no "!").
- */
 int
-append_addr(struct pfr_buffer *b, char *s, int test)
+atoul(char *s, u_long *ulvalp)
 {
-	char			 *r;
-	struct node_host	*h, *n;
-	int			 rv, not = 0;
-
-	for (r = s; *r == '!'; r++)
-		not = !not;
-	if ((n = host(r)) == NULL) {
-		errno = 0;
+	u_long	 ulval;
+	char	*ep;
+
+	errno = 0;
+	ulval = strtoul(s, &ep, 0);
+	if (s[0] == '\0' || *ep != '\0')
 		return (-1);
-	}
-	rv = append_addr_host(b, n, test, not);
-	do {
-		h = n;
-		n = n->next;
-		free(h);
-	} while (n != NULL);
-	return (rv);
+	if (errno == ERANGE && ulval == ULONG_MAX)
+		return (-1);
+	*ulvalp = ulval;
+	return (0);
 }
 
-/*
- * same as previous function, but with a pre-parsed input and the ability
- * to "negate" the result. Does not free the node_host list.
- * not:
- *      setting it to 1 is equivalent to adding "!" in front of parameter s.
- */
 int
-append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not)
+getservice(char *n)
 {
-	int			 bits;
-	struct pfr_addr		 addr;
-
-	do {
-		bzero(&addr, sizeof(addr));
-		addr.pfra_not = n->not ^ not;
-		addr.pfra_af = n->af;
-		addr.pfra_net = unmask(&n->addr.v.a.mask, n->af);
-		switch (n->af) {
-		case AF_INET:
-			addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0];
-			bits = 32;
-			break;
-		case AF_INET6:
-			memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6,
-			    sizeof(struct in6_addr));
-			bits = 128;
-			break;
-		default:
-			errno = EINVAL;
+	struct servent	*s;
+	u_long		 ulval;
+
+	if (atoul(n, &ulval) == 0) {
+		if (ulval > 65535) {
+			yyerror("illegal port value %d", ulval);
 			return (-1);
 		}
-		if ((test && (not || addr.pfra_net != bits)) ||
-		    addr.pfra_net > bits) {
-			errno = EINVAL;
+		return (htons(ulval));
+	} else {
+		s = getservbyname(n, "tcp");
+		if (s == NULL)
+			s = getservbyname(n, "udp");
+		if (s == NULL) {
+			yyerror("unknown port %s", n);
 			return (-1);
 		}
-		if (pfr_buf_add(b, &addr))
-			return (-1);
-	} while ((n = n->next) != NULL);
-
-	return (0);
+		return (s->s_port);
+	}
 }
 
 int
-pfctl_add_trans(struct pfr_buffer *buf, int rs_num, const char *anchor)
+rule_label(struct pf_rule *r, char *s)
 {
-	struct pfioc_trans_e trans;
-
-	bzero(&trans, sizeof(trans));
-	trans.rs_num = rs_num;
-	if (strlcpy(trans.anchor, anchor,
-	    sizeof(trans.anchor)) >= sizeof(trans.anchor))
-		errx(1, "pfctl_add_trans: strlcpy");
-
-	return pfr_buf_add(buf, &trans);
+	if (s) {
+		if (strlcpy(r->label, s, sizeof(r->label)) >=
+		    sizeof(r->label)) {
+			yyerror("rule label too long (max %d chars)",
+			    sizeof(r->label)-1);
+			return (-1);
+		}
+	}
+	return (0);
 }
 
-u_int32_t
-pfctl_get_ticket(struct pfr_buffer *buf, int rs_num, const char *anchor)
+u_int16_t
+parseicmpspec(char *w, sa_family_t af)
 {
-	struct pfioc_trans_e *p;
+	const struct icmpcodeent	*p;
+	u_long				 ulval;
+	u_int8_t			 icmptype;
 
-	PFRB_FOREACH(p, buf)
-		if (rs_num == p->rs_num && !strcmp(anchor, p->anchor))
-			return (p->ticket);
-	errx(1, "pfctl_get_ticket: assertion failed");
+	if (af == AF_INET)
+		icmptype = returnicmpdefault >> 8;
+	else
+		icmptype = returnicmp6default >> 8;
+
+	if (atoul(w, &ulval) == -1) {
+		if ((p = geticmpcodebyname(icmptype, w, af)) == NULL) {
+			yyerror("unknown icmp code %s", w);
+			return (0);
+		}
+		ulval = p->code;
+	}
+	if (ulval > 255) {
+		yyerror("invalid icmp code %ld", ulval);
+		return (0);
+	}
+	return (icmptype << 8 | ulval);
 }
 
 int
-pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from)
+pfctl_load_anchors(int dev, int opts, struct pfr_buffer *trans)
 {
-	struct pfioc_trans trans;
+	struct loadanchors	*la;
 
-	bzero(&trans, sizeof(trans));
-	trans.size = buf->pfrb_size - from;
-	trans.esize = sizeof(struct pfioc_trans_e);
-	trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from;
-	return ioctl(dev, cmd, &trans);
+	TAILQ_FOREACH(la, &loadanchorshead, entries) {
+		if (opts & PF_OPT_VERBOSE)
+			fprintf(stderr, "\nLoading anchor %s from %s\n",
+			    la->anchorname, la->filename);
+		if (pfctl_rules(dev, la->filename, opts, la->anchorname,
+		    trans) == -1)
+			return (-1);
+	}
+
+	return (0);
 }
+