import ipfilter 4.1.8 into the vendor branch

1 files changed, 1792 insertions, 0 deletions

diff --git a/contrib/ipfilter/tools/ipfstat.c b/contrib/ipfilter/tools/ipfstat.c
new file mode 100644
index 0000000..fbd6c35
--- /dev/null
+++ b/contrib/ipfilter/tools/ipfstat.c
@@ -0,0 +1,1792 @@
+/*	$NetBSD$	*/
+
+/*
+ * Copyright (C) 1993-2001, 2003 by Darren Reed.
+ *
+ * See the IPFILTER.LICENCE file for details on licencing.
+ */
+#ifdef __FreeBSD__
+# ifndef __FreeBSD_cc_version
+#  include <osreldate.h>
+# else
+#  if __FreeBSD_cc_version < 430000
+#   include <osreldate.h>
+#  endif
+# endif
+#endif
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#ifdef linux
+# include <linux/a.out.h>
+#else
+# include <nlist.h>
+#endif
+#include <ctype.h>
+#if defined(sun) && (defined(__svr4__) || defined(__SVR4))
+# include <stddef.h>
+#endif
+#include "ipf.h"
+#include "netinet/ipl.h"
+#if defined(STATETOP)
+# if defined(_BSDI_VERSION)
+#  undef STATETOP
+# endif
+# if defined(__FreeBSD__) && \
+     (!defined(__FreeBSD_version) || (__FreeBSD_version < 430000))
+#  undef STATETOP
+# endif
+# if defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105000000)
+#  undef STATETOP
+# endif
+# if defined(sun)
+#  if defined(__svr4__) || defined(__SVR4)
+#   include <sys/select.h>
+#  else
+#   undef STATETOP	/* NOT supported on SunOS4 */
+#  endif
+# endif
+#endif
+#if defined(STATETOP) && !defined(linux)
+# include <netinet/ip_var.h>
+# include <netinet/tcp_fsm.h>
+#endif
+#ifdef STATETOP
+# include <ctype.h>
+# include <signal.h>
+# if SOLARIS || defined(__NetBSD__) || defined(_BSDI_VERSION) || \
+     defined(__sgi)
+#  ifdef ERR
+#   undef ERR
+#  endif
+#  include <curses.h>
+# else /* SOLARIS */
+#  include <ncurses.h>
+# endif /* SOLARIS */
+#endif /* STATETOP */
+#include "kmem.h"
+#if defined(__NetBSD__) || (__OpenBSD__)
+# include <paths.h>
+#endif
+
+#if !defined(lint)
+static const char sccsid[] = "@(#)fils.c	1.21 4/20/96 (C) 1993-2000 Darren Reed";
+static const char rcsid[] = "@(#)Id: ipfstat.c,v 1.44.2.11 2005/03/30 14:09:57 darrenr Exp";
+#endif
+
+#ifdef __hpux
+# define	nlist	nlist64
+#endif
+
+extern	char	*optarg;
+extern	int	optind;
+extern	int	opterr;
+
+#define	PRINTF	(void)printf
+#define	FPRINTF	(void)fprintf
+#define	F_IN	0
+#define	F_OUT	1
+#define	F_ACIN	2
+#define	F_ACOUT	3
+static	char	*filters[4] = { "ipfilter(in)", "ipfilter(out)",
+				"ipacct(in)", "ipacct(out)" };
+static	int	state_logging = -1;
+
+int	opts = 0;
+int	use_inet6 = 0;
+int	live_kernel = 1;
+int	state_fd = -1;
+int	ipf_fd = -1;
+
+#ifdef STATETOP
+#define	STSTRSIZE 	80
+#define	STGROWSIZE	16
+#define	HOSTNMLEN	40
+
+#define	STSORT_PR	0
+#define	STSORT_PKTS	1
+#define	STSORT_BYTES	2
+#define	STSORT_TTL	3
+#define	STSORT_SRCIP	4
+#define	STSORT_SRCPT	5
+#define	STSORT_DSTIP	6
+#define	STSORT_DSTPT	7
+#define	STSORT_MAX	STSORT_DSTPT
+#define	STSORT_DEFAULT	STSORT_BYTES
+
+
+typedef struct statetop {
+	i6addr_t	st_src;
+	i6addr_t	st_dst;
+	u_short		st_sport;
+	u_short 	st_dport;
+	u_char		st_p;
+	u_char		st_v;
+	u_char		st_state[2];
+	U_QUAD_T	st_pkts;
+	U_QUAD_T	st_bytes;
+	u_long		st_age;
+} statetop_t;
+#endif
+
+int		main __P((int, char *[]));
+
+static	void	showstats __P((friostat_t *, u_32_t));
+static	void	showfrstates __P((ipfrstat_t *));
+static	void	showlist __P((friostat_t *));
+static	void	showipstates __P((ips_stat_t *));
+static	void	showauthstates __P((fr_authstat_t *));
+static	void	showgroups __P((friostat_t *));
+static	void	usage __P((char *));
+static	void	printlist __P((frentry_t *, char *));
+static	void	parse_ipportstr __P((const char *, i6addr_t *, int *));
+static	void	ipfstate_live __P((char *, friostat_t **, ips_stat_t **,
+				   ipfrstat_t **, fr_authstat_t **, u_32_t *));
+static	void	ipfstate_dead __P((char *, friostat_t **, ips_stat_t **,
+				   ipfrstat_t **, fr_authstat_t **, u_32_t *));
+#ifdef STATETOP
+static	void	topipstates __P((i6addr_t, i6addr_t, int, int, int,
+				 int, int, int));
+static	void	sig_break __P((int));
+static	void	sig_resize __P((int));
+static	char	*getip __P((int, i6addr_t *));
+static	char	*ttl_to_string __P((long));
+static	int	sort_p __P((const void *, const void *));
+static	int	sort_pkts __P((const void *, const void *));
+static	int	sort_bytes __P((const void *, const void *));
+static	int	sort_ttl __P((const void *, const void *));
+static	int	sort_srcip __P((const void *, const void *));
+static	int	sort_srcpt __P((const void *, const void *));
+static	int	sort_dstip __P((const void *, const void *));
+static	int	sort_dstpt __P((const void *, const void *));
+#endif
+
+
+static void usage(name)
+char *name;
+{
+#ifdef  USE_INET6
+	fprintf(stderr, "Usage: %s [-6aAdfghIilnoRsv]\n", name);
+#else
+	fprintf(stderr, "Usage: %s [-aAdfghIilnoRsv]\n", name);
+#endif
+	fprintf(stderr, "       %s [-M corefile] [-N symbol-list]\n", name);
+#ifdef	USE_INET6
+	fprintf(stderr, "       %s -t [-6C] ", name);
+#else
+	fprintf(stderr, "       %s -t [-C] ", name);
+#endif
+	fprintf(stderr, "[-D destination address] [-P protocol] [-S source address] [-T refresh time]\n");
+	exit(1);
+}
+
+
+int main(argc,argv)
+int argc;
+char *argv[];
+{
+	fr_authstat_t	frauthst;
+	fr_authstat_t	*frauthstp = &frauthst;
+	friostat_t fio;
+	friostat_t *fiop = &fio;
+	ips_stat_t ipsst;
+	ips_stat_t *ipsstp = &ipsst;
+	ipfrstat_t ifrst;
+	ipfrstat_t *ifrstp = &ifrst;
+	char	*device = IPL_NAME, *memf = NULL;
+	char	*options, *kern = NULL;
+	int	c, myoptind;
+
+	int protocol = -1;		/* -1 = wild card for any protocol */
+	int refreshtime = 1; 		/* default update time */
+	int sport = -1;			/* -1 = wild card for any source port */
+	int dport = -1;			/* -1 = wild card for any dest port */
+	int topclosed = 0;		/* do not show closed tcp sessions */
+	i6addr_t saddr, daddr;
+	u_32_t frf;
+
+#ifdef	USE_INET6
+	options = "6aACdfghIilnostvD:M:N:P:RS:T:";
+#else
+	options = "aACdfghIilnostvD:M:N:P:RS:T:";
+#endif
+
+	saddr.in4.s_addr = INADDR_ANY; 	/* default any v4 source addr */
+	daddr.in4.s_addr = INADDR_ANY; 	/* default any v4 dest addr */
+#ifdef	USE_INET6
+	saddr.in6 = in6addr_any;	/* default any v6 source addr */
+	daddr.in6 = in6addr_any;	/* default any v6 dest addr */
+#endif
+
+	/* Don't warn about invalid flags when we run getopt for the 1st time */
+	opterr = 0;
+
+	/*
+	 * Parse these two arguments now lest there be any buffer overflows
+	 * in the parsing of the rest.
+	 */
+	myoptind = optind;
+	while ((c = getopt(argc, argv, options)) != -1) {
+		switch (c)
+		{
+		case 'M' :
+			memf = optarg;
+			live_kernel = 0;
+			break;
+		case 'N' :
+			kern = optarg;
+			live_kernel = 0;
+			break;
+		}
+	}
+	optind = myoptind;
+
+	if (live_kernel == 1) {
+		if ((state_fd = open(IPSTATE_NAME, O_RDONLY)) == -1) {
+			perror("open(IPSTATE_NAME)");
+			exit(-1);
+		}
+		if ((ipf_fd = open(device, O_RDONLY)) == -1) {
+			fprintf(stderr, "open(%s)", device);
+			perror("");
+			exit(-1);
+		}
+	}
+
+	if (kern != NULL || memf != NULL) {
+		(void)setgid(getgid());
+		(void)setuid(getuid());
+	}
+
+	if (live_kernel == 1)
+		(void) checkrev(device);
+	if (openkmem(kern, memf) == -1)
+		exit(-1);
+
+	(void)setgid(getgid());
+	(void)setuid(getuid());
+
+	opterr = 1;
+
+	while ((c = getopt(argc, argv, options)) != -1)
+	{
+		switch (c)
+		{
+#ifdef	USE_INET6
+		case '6' :
+			use_inet6 = 1;
+			break;
+#endif
+		case 'a' :
+			opts |= OPT_ACCNT|OPT_SHOWLIST;
+			break;
+		case 'A' :
+			opts |= OPT_AUTHSTATS;
+			break;
+		case 'C' :
+			topclosed = 1;
+			break;
+		case 'd' :
+			opts |= OPT_DEBUG;
+			break;
+		case 'D' :
+			parse_ipportstr(optarg, &daddr, &dport);
+			break;
+		case 'f' :
+			opts |= OPT_FRSTATES;
+			break;
+		case 'g' :
+			opts |= OPT_GROUPS;
+			break;
+		case 'h' :
+			opts |= OPT_HITS;
+			break;
+		case 'i' :
+			opts |= OPT_INQUE|OPT_SHOWLIST;
+			break;
+		case 'I' :
+			opts |= OPT_INACTIVE;
+			break;
+		case 'l' :
+			opts |= OPT_SHOWLIST;
+			break;
+		case 'M' :
+			break;
+		case 'N' :
+			break;
+		case 'n' :
+			opts |= OPT_SHOWLINENO;
+			break;
+		case 'o' :
+			opts |= OPT_OUTQUE|OPT_SHOWLIST;
+			break;
+		case 'P' :
+			protocol = getproto(optarg);
+			if (protocol == -1) {
+				fprintf(stderr, "%s: Invalid protocol: %s\n",
+					argv[0], optarg);
+				exit(-2);
+			}
+			break;
+		case 'R' :
+			opts |= OPT_NORESOLVE;
+			break;
+		case 's' :
+			opts |= OPT_IPSTATES;
+			break;
+		case 'S' :
+			parse_ipportstr(optarg, &saddr, &sport);
+			break;
+		case 't' :
+#ifdef STATETOP
+			opts |= OPT_STATETOP;
+			break;
+#else
+			fprintf(stderr,
+				"%s: state top facility not compiled in\n",
+				argv[0]);
+			exit(-2);
+#endif
+		case 'T' :
+			if (!sscanf(optarg, "%d", &refreshtime) ||
+				    (refreshtime <= 0)) {
+				fprintf(stderr,
+					"%s: Invalid refreshtime < 1 : %s\n",
+					argv[0], optarg);
+				exit(-2);
+			}
+			break;
+		case 'v' :
+			opts |= OPT_VERBOSE;
+			break;
+		default :
+			usage(argv[0]);
+			break;
+		}
+	}
+
+	if (live_kernel == 1) {
+		bzero((char *)&fio, sizeof(fio));
+		bzero((char *)&ipsst, sizeof(ipsst));
+		bzero((char *)&ifrst, sizeof(ifrst));
+
+		ipfstate_live(device, &fiop, &ipsstp, &ifrstp,
+			      &frauthstp, &frf);
+	} else
+		ipfstate_dead(kern, &fiop, &ipsstp, &ifrstp, &frauthstp, &frf);
+
+	if (opts & OPT_IPSTATES) {
+		showipstates(ipsstp);
+	} else if (opts & OPT_SHOWLIST) {
+		showlist(fiop);
+		if ((opts & OPT_OUTQUE) && (opts & OPT_INQUE)){
+			opts &= ~OPT_OUTQUE;
+			showlist(fiop);
+		}
+	} else if (opts & OPT_FRSTATES)
+		showfrstates(ifrstp);
+#ifdef STATETOP
+	else if (opts & OPT_STATETOP)
+		topipstates(saddr, daddr, sport, dport, protocol,
+			    use_inet6 ? 6 : 4, refreshtime, topclosed);
+#endif
+	else if (opts & OPT_AUTHSTATS)
+		showauthstates(frauthstp);
+	else if (opts & OPT_GROUPS)
+		showgroups(fiop);
+	else
+		showstats(fiop, frf);
+
+	return 0;
+}
+
+
+/*
+ * Fill in the stats structures from the live kernel, using a combination
+ * of ioctl's and copying directly from kernel memory.
+ */
+static void ipfstate_live(device, fiopp, ipsstpp, ifrstpp, frauthstpp, frfp)
+char *device;
+friostat_t **fiopp;
+ips_stat_t **ipsstpp;
+ipfrstat_t **ifrstpp;
+fr_authstat_t **frauthstpp;
+u_32_t *frfp;
+{
+	ipfobj_t ipfo;
+
+	if (checkrev(device) == -1) {
+		fprintf(stderr, "User/kernel version check failed\n");
+		exit(1);
+	}
+
+	if ((opts & OPT_AUTHSTATS) == 0) {
+		bzero((caddr_t)&ipfo, sizeof(ipfo));
+		ipfo.ipfo_rev = IPFILTER_VERSION;
+		ipfo.ipfo_size = sizeof(friostat_t);
+		ipfo.ipfo_ptr = (void *)*fiopp;
+		ipfo.ipfo_type = IPFOBJ_IPFSTAT;
+
+		if (ioctl(ipf_fd, SIOCGETFS, &ipfo) == -1) {
+			perror("ioctl(ipf:SIOCGETFS)");
+			exit(-1);
+		}
+
+		if (ioctl(ipf_fd, SIOCGETFF, frfp) == -1)
+			perror("ioctl(SIOCGETFF)");
+	}
+
+	if ((opts & OPT_IPSTATES) != 0) {
+
+		bzero((caddr_t)&ipfo, sizeof(ipfo));
+		ipfo.ipfo_rev = IPFILTER_VERSION;
+		ipfo.ipfo_size = sizeof(ips_stat_t);
+		ipfo.ipfo_ptr = (void *)*ipsstpp;
+		ipfo.ipfo_type = IPFOBJ_STATESTAT;
+
+		if ((ioctl(state_fd, SIOCGETFS, &ipfo) == -1)) {
+			perror("ioctl(state:SIOCGETFS)");
+			exit(-1);
+		}
+		if (ioctl(state_fd, SIOCGETLG, &state_logging) == -1) {
+			perror("ioctl(state:SIOCGETLG)");
+			exit(-1);
+		}
+	}
+
+	if ((opts & OPT_FRSTATES) != 0) {
+		bzero((caddr_t)&ipfo, sizeof(ipfo));
+		ipfo.ipfo_rev = IPFILTER_VERSION;
+		ipfo.ipfo_size = sizeof(ipfrstat_t);
+		ipfo.ipfo_ptr = (void *)*ifrstpp;
+		ipfo.ipfo_type = IPFOBJ_FRAGSTAT;
+	
+		if (ioctl(ipf_fd, SIOCGFRST, &ipfo) == -1) {
+			perror("ioctl(SIOCGFRST)");
+			exit(-1);
+		}
+	}
+
+	if (opts & OPT_VERBOSE)
+		PRINTF("opts %#x name %s\n", opts, device);
+
+	if ((opts & OPT_AUTHSTATS) != 0) {
+		if (ipf_fd >= 0) {
+			close(ipf_fd);
+			ipf_fd = -1;
+		}
+		device = IPAUTH_NAME;
+		if ((ipf_fd = open(device, O_RDONLY)) == -1) {
+			perror("open");
+			exit(-1);
+		}
+
+		bzero((caddr_t)&ipfo, sizeof(ipfo));
+		ipfo.ipfo_rev = IPFILTER_VERSION;
+		ipfo.ipfo_size = sizeof(fr_authstat_t);
+		ipfo.ipfo_ptr = (void *)*frauthstpp;
+		ipfo.ipfo_type = IPFOBJ_AUTHSTAT;
+
+	    	if (ioctl(ipf_fd, SIOCATHST, &ipfo) == -1) {
+			perror("ioctl(SIOCATHST)");
+			exit(-1);
+		}
+	}
+}
+
+
+/*
+ * Build up the stats structures from data held in the "core" memory.
+ * This is mainly useful when looking at data in crash dumps and ioctl's
+ * just won't work any more.
+ */
+static void ipfstate_dead(kernel, fiopp, ipsstpp, ifrstpp, frauthstpp, frfp)
+char *kernel;
+friostat_t **fiopp;
+ips_stat_t **ipsstpp;
+ipfrstat_t **ifrstpp;
+fr_authstat_t **frauthstpp;
+u_32_t *frfp;
+{
+	static fr_authstat_t frauthst, *frauthstp;
+	static ips_stat_t ipsst, *ipsstp;
+	static ipfrstat_t ifrst, *ifrstp;
+	static friostat_t fio, *fiop;
+	int temp;
+
+	void *rules[2][2];
+	struct nlist deadlist[43] = {
+		{ "fr_authstats" },		/* 0 */
+		{ "fae_list" },
+		{ "ipauth" },
+		{ "fr_authlist" },
+		{ "fr_authstart" },
+		{ "fr_authend" },		/* 5 */
+		{ "fr_authnext" },
+		{ "fr_auth" },
+		{ "fr_authused" },
+		{ "fr_authsize" },
+		{ "fr_defaultauthage" },	/* 10 */
+		{ "fr_authpkts" },
+		{ "fr_auth_lock" },
+		{ "frstats" },
+		{ "ips_stats" },
+		{ "ips_num" },			/* 15 */
+		{ "ips_wild" },
+		{ "ips_list" },
+		{ "ips_table" },
+		{ "fr_statemax" },
+		{ "fr_statesize" },		/* 20 */
+		{ "fr_state_doflush" },
+		{ "fr_state_lock" },
+		{ "ipfr_heads" },
+		{ "ipfr_nattab" },
+		{ "ipfr_stats" },		/* 25 */
+		{ "ipfr_inuse" },
+		{ "fr_ipfrttl" },
+		{ "fr_frag_lock" },
+		{ "ipfr_timer_id" },
+		{ "fr_nat_lock" },		/* 30 */
+		{ "ipfilter" },
+		{ "ipfilter6" },
+		{ "ipacct" },
+		{ "ipacct6" },
+		{ "ipl_frouteok" },		/* 35 */
+		{ "fr_running" },
+		{ "ipfgroups" },
+		{ "fr_active" },
+		{ "fr_pass" },
+		{ "fr_flags" },			/* 40 */
+		{ "ipstate_logging" },
+		{ NULL }
+	};
+
+
+	frauthstp = &frauthst;
+	ipsstp = &ipsst;
+	ifrstp = &ifrst;
+	fiop = &fio;
+
+	*frfp = 0;
+	*fiopp = fiop;
+	*ipsstpp = ipsstp;
+	*ifrstpp = ifrstp;
+	*frauthstpp = frauthstp;
+
+	bzero((char *)fiop, sizeof(*fiop));
+	bzero((char *)ipsstp, sizeof(*ipsstp));
+	bzero((char *)ifrstp, sizeof(*ifrstp));
+	bzero((char *)frauthstp, sizeof(*frauthstp));
+
+	if (nlist(kernel, deadlist) == -1) {
+		fprintf(stderr, "nlist error\n");
+		return;
+	}
+
+	/*
+	 * This is for SIOCGETFF.
+	 */
+	kmemcpy((char *)frfp, (u_long)deadlist[40].n_value, sizeof(*frfp));
+
+	/*
+	 * f_locks is a combination of the lock variable from each part of
+	 * ipfilter (state, auth, nat, fragments).
+	 */
+	kmemcpy((char *)fiop, (u_long)deadlist[13].n_value, sizeof(*fiop));
+	kmemcpy((char *)&fiop->f_locks[0], (u_long)deadlist[22].n_value,
+		sizeof(fiop->f_locks[0]));
+	kmemcpy((char *)&fiop->f_locks[0], (u_long)deadlist[30].n_value,
+		sizeof(fiop->f_locks[1]));
+	kmemcpy((char *)&fiop->f_locks[2], (u_long)deadlist[28].n_value,
+		sizeof(fiop->f_locks[2]));
+	kmemcpy((char *)&fiop->f_locks[3], (u_long)deadlist[12].n_value,
+		sizeof(fiop->f_locks[3]));
+
+	/*
+	 * Get pointers to each list of rules (active, inactive, in, out)
+	 */
+	kmemcpy((char *)&rules, (u_long)deadlist[31].n_value, sizeof(rules));
+	fiop->f_fin[0] = rules[0][0];
+	fiop->f_fin[1] = rules[0][1];
+	fiop->f_fout[0] = rules[1][0];
+	fiop->f_fout[1] = rules[1][1];
+
+	/*
+	 * Same for IPv6, except make them null if support for it is not
+	 * being compiled in.
+	 */
+#ifdef	USE_INET6
+	kmemcpy((char *)&rules, (u_long)deadlist[32].n_value, sizeof(rules));
+	fiop->f_fin6[0] = rules[0][0];
+	fiop->f_fin6[1] = rules[0][1];
+	fiop->f_fout6[0] = rules[1][0];
+	fiop->f_fout6[1] = rules[1][1];
+#else
+	fiop->f_fin6[0] = NULL;
+	fiop->f_fin6[1] = NULL;
+	fiop->f_fout6[0] = NULL;
+	fiop->f_fout6[1] = NULL;
+#endif
+
+	/*
+	 * Now get accounting rules pointers.
+	 */
+	kmemcpy((char *)&rules, (u_long)deadlist[33].n_value, sizeof(rules));
+	fiop->f_acctin[0] = rules[0][0];
+	fiop->f_acctin[1] = rules[0][1];
+	fiop->f_acctout[0] = rules[1][0];
+	fiop->f_acctout[1] = rules[1][1];
+
+#ifdef	USE_INET6
+	kmemcpy((char *)&rules, (u_long)deadlist[34].n_value, sizeof(rules));
+	fiop->f_acctin6[0] = rules[0][0];
+	fiop->f_acctin6[1] = rules[0][1];
+	fiop->f_acctout6[0] = rules[1][0];
+	fiop->f_acctout6[1] = rules[1][1];
+#else
+	fiop->f_acctin6[0] = NULL;
+	fiop->f_acctin6[1] = NULL;
+	fiop->f_acctout6[0] = NULL;
+	fiop->f_acctout6[1] = NULL;
+#endif
+
+	/*
+	 * A collection of "global" variables used inside the kernel which
+	 * are all collected in friostat_t via ioctl.
+	 */
+	kmemcpy((char *)&fiop->f_froute, (u_long)deadlist[35].n_value,
+		sizeof(fiop->f_froute));
+	kmemcpy((char *)&fiop->f_running, (u_long)deadlist[36].n_value,
+		sizeof(fiop->f_running));
+	kmemcpy((char *)&fiop->f_groups, (u_long)deadlist[37].n_value,
+		sizeof(fiop->f_groups));
+	kmemcpy((char *)&fiop->f_active, (u_long)deadlist[38].n_value,
+		sizeof(fiop->f_active));
+	kmemcpy((char *)&fiop->f_defpass, (u_long)deadlist[39].n_value,
+		sizeof(fiop->f_defpass));
+
+	/*
+	 * Build up the state information stats structure.
+	 */
+	kmemcpy((char *)ipsstp, (u_long)deadlist[14].n_value, sizeof(*ipsstp));
+	kmemcpy((char *)&temp, (u_long)deadlist[15].n_value, sizeof(temp));
+	ipsstp->iss_active = temp;
+	ipsstp->iss_table = (void *)deadlist[18].n_value;
+	ipsstp->iss_list = (void *)deadlist[17].n_value;
+
+	/*
+	 * Build up the authentiation information stats structure.
+	 */
+	kmemcpy((char *)frauthstp, (u_long)deadlist[0].n_value,
+		sizeof(*frauthstp));
+	frauthstp->fas_faelist = (void *)deadlist[1].n_value;
+
+	/*
+	 * Build up the fragment information stats structure.
+	 */
+	kmemcpy((char *)ifrstp, (u_long)deadlist[25].n_value,
+		sizeof(*ifrstp));
+	ifrstp->ifs_table = (void *)deadlist[23].n_value;
+	ifrstp->ifs_nattab = (void *)deadlist[24].n_value;
+	kmemcpy((char *)&ifrstp->ifs_inuse, (u_long)deadlist[26].n_value,
+		sizeof(ifrstp->ifs_inuse));
+
+	/*
+	 * Get logging on/off switches
+	 */
+	kmemcpy((char *)&state_logging, (u_long)deadlist[41].n_value,
+		sizeof(state_logging));
+}
+
+
+/*
+ * Display the kernel stats for packets blocked and passed and other
+ * associated running totals which are kept.
+ */
+static	void	showstats(fp, frf)
+struct	friostat	*fp;
+u_32_t frf;
+{
+
+	PRINTF("bad packets:\t\tin %lu\tout %lu\n",
+			fp->f_st[0].fr_bad, fp->f_st[1].fr_bad);
+#ifdef	USE_INET6
+	PRINTF(" IPv6 packets:\t\tin %lu out %lu\n",
+			fp->f_st[0].fr_ipv6, fp->f_st[1].fr_ipv6);
+#endif
+	PRINTF(" input packets:\t\tblocked %lu passed %lu nomatch %lu",
+			fp->f_st[0].fr_block, fp->f_st[0].fr_pass,
+			fp->f_st[0].fr_nom);
+	PRINTF(" counted %lu short %lu\n",
+			fp->f_st[0].fr_acct, fp->f_st[0].fr_short);
+	PRINTF("output packets:\t\tblocked %lu passed %lu nomatch %lu",
+			fp->f_st[1].fr_block, fp->f_st[1].fr_pass,
+			fp->f_st[1].fr_nom);
+	PRINTF(" counted %lu short %lu\n",
+			fp->f_st[1].fr_acct, fp->f_st[1].fr_short);
+	PRINTF(" input packets logged:\tblocked %lu passed %lu\n",
+			fp->f_st[0].fr_bpkl, fp->f_st[0].fr_ppkl);
+	PRINTF("output packets logged:\tblocked %lu passed %lu\n",
+			fp->f_st[1].fr_bpkl, fp->f_st[1].fr_ppkl);
+	PRINTF(" packets logged:\tinput %lu output %lu\n",
+			fp->f_st[0].fr_pkl, fp->f_st[1].fr_pkl);
+	PRINTF(" log failures:\t\tinput %lu output %lu\n",
+			fp->f_st[0].fr_skip, fp->f_st[1].fr_skip);
+	PRINTF("fragment state(in):\tkept %lu\tlost %lu\tnot fragmented %lu\n",
+			fp->f_st[0].fr_nfr, fp->f_st[0].fr_bnfr,
+			fp->f_st[0].fr_cfr);
+	PRINTF("fragment state(out):\tkept %lu\tlost %lu\tnot fragmented %lu\n",
+			fp->f_st[1].fr_nfr, fp->f_st[1].fr_bnfr,
+			fp->f_st[0].fr_cfr);
+	PRINTF("packet state(in):\tkept %lu\tlost %lu\n",
+			fp->f_st[0].fr_ads, fp->f_st[0].fr_bads);
+	PRINTF("packet state(out):\tkept %lu\tlost %lu\n",
+			fp->f_st[1].fr_ads, fp->f_st[1].fr_bads);
+	PRINTF("ICMP replies:\t%lu\tTCP RSTs sent:\t%lu\n",
+			fp->f_st[0].fr_ret, fp->f_st[1].fr_ret);
+	PRINTF("Invalid source(in):\t%lu\n", fp->f_st[0].fr_badsrc);
+	PRINTF("Result cache hits(in):\t%lu\t(out):\t%lu\n",
+			fp->f_st[0].fr_chit, fp->f_st[1].fr_chit);
+	PRINTF("IN Pullups succeeded:\t%lu\tfailed:\t%lu\n",
+			fp->f_st[0].fr_pull[0], fp->f_st[0].fr_pull[1]);
+	PRINTF("OUT Pullups succeeded:\t%lu\tfailed:\t%lu\n",
+			fp->f_st[1].fr_pull[0], fp->f_st[1].fr_pull[1]);
+	PRINTF("Fastroute successes:\t%lu\tfailures:\t%lu\n",
+			fp->f_froute[0], fp->f_froute[1]);
+	PRINTF("TCP cksum fails(in):\t%lu\t(out):\t%lu\n",
+			fp->f_st[0].fr_tcpbad, fp->f_st[1].fr_tcpbad);
+	PRINTF("IPF Ticks:\t%lu\n", fp->f_ticks);
+
+	PRINTF("Packet log flags set: (%#x)\n", frf);
+	if (frf & FF_LOGPASS)
+		PRINTF("\tpackets passed through filter\n");
+	if (frf & FF_LOGBLOCK)
+		PRINTF("\tpackets blocked by filter\n");
+	if (frf & FF_LOGNOMATCH)
+		PRINTF("\tpackets not matched by filter\n");
+	if (!frf)
+		PRINTF("\tnone\n");
+}
+
+
+/*
+ * Print out a list of rules from the kernel, starting at the one passed.
+ */
+static void printlist(fp, comment)
+frentry_t *fp;
+char *comment;
+{
+	struct	frentry	fb, *fg;
+	char	*data;
+	u_32_t	type;
+	int	n;
+
+	for (n = 1; fp; n++) {
+		if (kmemcpy((char *)&fb, (u_long)fp, sizeof(fb)) == -1) {
+			perror("kmemcpy");
+			return;
+		}
+		fp = &fb;
+		if (opts & (OPT_HITS|OPT_VERBOSE))
+#ifdef	USE_QUAD_T
+			PRINTF("%qu ", (unsigned long long) fp->fr_hits);
+#else
+			PRINTF("%lu ", fp->fr_hits);
+#endif
+		if (opts & (OPT_ACCNT|OPT_VERBOSE))
+#ifdef	USE_QUAD_T
+			PRINTF("%qu ", (unsigned long long) fp->fr_bytes);
+#else
+			PRINTF("%lu ", fp->fr_bytes);
+#endif
+		if (opts & OPT_SHOWLINENO)
+			PRINTF("@%d ", n);
+		data = NULL;
+		type = fp->fr_type & ~FR_T_BUILTIN;
+		if (type == FR_T_IPF || type == FR_T_BPFOPC) {
+			if (fp->fr_dsize) {
+				data = malloc(fp->fr_dsize);
+
+				if (kmemcpy(data, (u_long)fp->fr_data,
+					    fp->fr_dsize) == -1) {
+					perror("kmemcpy");
+					return;
+				}
+				fp->fr_data = data;
+			}
+		}
+
+		printfr(fp, ioctl);
+		if (opts & OPT_DEBUG) {
+			binprint(fp, sizeof(*fp));
+			if (fp->fr_data != NULL && fp->fr_dsize > 0)
+				binprint(fp->fr_data, fp->fr_dsize);
+		}
+		if (data != NULL)
+			free(data);
+		if (fp->fr_grp != NULL) {
+			if (!kmemcpy((char *)&fg, (u_long)fp->fr_grp,
+				     sizeof(fg)))
+				printlist(fg, comment);
+		}
+		if (type == FR_T_CALLFUNC) {
+			printlist(fp->fr_data, "# callfunc: ");
+		}
+		fp = fp->fr_next;
+	}
+}
+
+/*
+ * print out all of the asked for rule sets, using the stats struct as
+ * the base from which to get the pointers.
+ */
+static	void	showlist(fiop)
+struct	friostat	*fiop;
+{
+	struct	frentry	*fp = NULL;
+	int	i, set;
+
+	set = fiop->f_active;
+	if (opts & OPT_INACTIVE)
+		set = 1 - set;
+	if (opts & OPT_ACCNT) {
+#ifdef USE_INET6
+		if ((use_inet6) && (opts & OPT_OUTQUE)) {
+			i = F_ACOUT;
+			fp = (struct frentry *)fiop->f_acctout6[set];
+		} else if ((use_inet6) && (opts & OPT_INQUE)) {
+			i = F_ACIN;
+			fp = (struct frentry *)fiop->f_acctin6[set];
+		} else
+#endif
+		if (opts & OPT_OUTQUE) {
+			i = F_ACOUT;
+			fp = (struct frentry *)fiop->f_acctout[set];
+		} else if (opts & OPT_INQUE) {
+			i = F_ACIN;
+			fp = (struct frentry *)fiop->f_acctin[set];
+		} else {
+			FPRINTF(stderr, "No -i or -o given with -a\n");
+			return;
+		}
+	} else {
+#ifdef	USE_INET6
+		if ((use_inet6) && (opts & OPT_OUTQUE)) {
+			i = F_OUT;
+			fp = (struct frentry *)fiop->f_fout6[set];
+		} else if ((use_inet6) && (opts & OPT_INQUE)) {
+			i = F_IN;
+			fp = (struct frentry *)fiop->f_fin6[set];
+		} else
+#endif
+		if (opts & OPT_OUTQUE) {
+			i = F_OUT;
+			fp = (struct frentry *)fiop->f_fout[set];
+		} else if (opts & OPT_INQUE) {
+			i = F_IN;
+			fp = (struct frentry *)fiop->f_fin[set];
+		} else
+			return;
+	}
+	if (opts & OPT_VERBOSE)
+		FPRINTF(stderr, "showlist:opts %#x i %d\n", opts, i);
+
+	if (opts & OPT_VERBOSE)
+		PRINTF("fp %p set %d\n", fp, set);
+	if (!fp) {
+		FPRINTF(stderr, "empty list for %s%s\n",
+			(opts & OPT_INACTIVE) ? "inactive " : "", filters[i]);
+		return;
+	}
+	printlist(fp, NULL);
+}
+
+
+/*
+ * Display ipfilter stateful filtering information
+ */
+static void showipstates(ipsp)
+ips_stat_t *ipsp;
+{
+	u_long minlen, maxlen, totallen, *buckets;
+	int i, sz;
+
+	sz = sizeof(*buckets) * ipsp->iss_statesize;
+	buckets = (u_long *)malloc(sz);
+	if (kmemcpy((char *)buckets, (u_long)ipsp->iss_bucketlen, sz)) {
+		free(buckets);
+		return;
+	}
+
+	/*
+	 * If a list of states hasn't been asked for, only print out stats
+	 */
+	if (!(opts & OPT_SHOWLIST)) {
+		PRINTF("IP states added:\n\t%lu TCP\n\t%lu UDP\n\t%lu ICMP\n",
+			ipsp->iss_tcp, ipsp->iss_udp, ipsp->iss_icmp);
+		PRINTF("\t%lu hits\n\t%lu misses\n", ipsp->iss_hits,
+			ipsp->iss_miss);
+		PRINTF("\t%lu maximum\n\t%lu no memory\n\t%lu max bucket\n",
+			ipsp->iss_max, ipsp->iss_nomem, ipsp->iss_bucketfull);
+		PRINTF("\t%lu maximum\n\t%lu no memory\n\t%lu bkts in use\n",
+			ipsp->iss_max, ipsp->iss_nomem, ipsp->iss_inuse);
+		PRINTF("\t%lu active\n\t%lu expired\n\t%lu closed\n",
+			ipsp->iss_active, ipsp->iss_expire, ipsp->iss_fin);
+
+		PRINTF("State logging %sabled\n",
+			state_logging ? "en" : "dis");
+
+		PRINTF("\nState table bucket statistics:\n");
+		PRINTF("\t%lu in use\t\n", ipsp->iss_inuse);
+
+		minlen = ipsp->iss_max;
+		totallen = 0;
+		maxlen = 0;
+
+		for (i = 0; i < ipsp->iss_statesize; i++) {
+			if (buckets[i] > maxlen)
+				maxlen = buckets[i];
+			if (buckets[i] < minlen)
+					minlen = buckets[i];
+			totallen += buckets[i];
+		}
+
+		PRINTF("\t%2.2f%% bucket usage\n\t%lu minimal length\n",
+			((float)ipsp->iss_inuse / ipsp->iss_statesize) * 100.0,
+			minlen);
+		PRINTF("\t%lu maximal length\n\t%.3f average length\n",
+			maxlen,
+			ipsp->iss_inuse ? (float) totallen/ ipsp->iss_inuse :
+					  0.0);
+
+#define ENTRIES_PER_LINE 5
+
+		if (opts & OPT_VERBOSE) {
+			PRINTF("\nCurrent bucket sizes :\n");
+			for (i = 0; i < ipsp->iss_statesize; i++) {
+				if ((i % ENTRIES_PER_LINE) == 0)
+					PRINTF("\t");
+				PRINTF("%4d -> %4lu", i, buckets[i]);
+				if ((i % ENTRIES_PER_LINE) ==
+				    (ENTRIES_PER_LINE - 1))
+					PRINTF("\n");
+				else
+					PRINTF("  ");
+			}
+			PRINTF("\n");
+		}
+		PRINTF("\n");
+
+		free(buckets);
+		return;
+	}
+
+	/*
+	 * Print out all the state information currently held in the kernel.
+	 */
+	while (ipsp->iss_list != NULL) {
+		ipsp->iss_list = printstate(ipsp->iss_list, opts,
+					    ipsp->iss_ticks);
+	}
+
+	free(buckets);
+}
+
+
+#ifdef STATETOP
+static int handle_resize = 0, handle_break = 0;
+
+static void topipstates(saddr, daddr, sport, dport, protocol, ver,
+		        refreshtime, topclosed)
+i6addr_t saddr;
+i6addr_t daddr;
+int sport;
+int dport;
+int protocol;
+int ver;
+int refreshtime;
+int topclosed;
+{
+	char str1[STSTRSIZE], str2[STSTRSIZE], str3[STSTRSIZE], str4[STSTRSIZE];
+	int maxtsentries = 0, reverse = 0, sorting = STSORT_DEFAULT;
+	int i, j, winy, tsentry, maxx, maxy, redraw = 0;
+	int len, srclen, dstlen, forward = 1, c = 0;
+	ips_stat_t ipsst, *ipsstp = &ipsst;
+	statetop_t *tstable = NULL, *tp;
+	ipstate_t ips;
+	ipfobj_t ipfo;
+	struct timeval selecttimeout;
+	char hostnm[HOSTNMLEN];
+	struct protoent *proto;
+	fd_set readfd;
+	time_t t;
+
+	/* install signal handlers */
+	signal(SIGINT, sig_break);
+	signal(SIGQUIT, sig_break);
+	signal(SIGTERM, sig_break);
+	signal(SIGWINCH, sig_resize);
+
+	/* init ncurses stuff */
+  	initscr();
+  	cbreak();
+  	noecho();
+	curs_set(0);
+	timeout(0);
+	getmaxyx(stdscr, maxy, maxx);
+
+	/* init hostname */
+	gethostname(hostnm, sizeof(hostnm) - 1);
+	hostnm[sizeof(hostnm) - 1] = '\0';
+
+	/* init ipfobj_t stuff */
+	bzero((caddr_t)&ipfo, sizeof(ipfo));
+	ipfo.ipfo_rev = IPFILTER_VERSION;
+	ipfo.ipfo_size = sizeof(*ipsstp);
+	ipfo.ipfo_ptr = (void *)ipsstp;
+	ipfo.ipfo_type = IPFOBJ_STATESTAT;
+
+	/* repeat until user aborts */
+	while ( 1 ) {
+
+		/* get state table */
+		bzero((char *)&ipsst, sizeof(ipsst));
+		if ((ioctl(state_fd, SIOCGETFS, &ipfo) == -1)) {
+			perror("ioctl(SIOCGETFS)");
+			exit(-1);
+		}
+
+		/* clear the history */
+		tsentry = -1;
+
+		/* reset max str len */
+		srclen = dstlen = 0;
+
+		/* read the state table and store in tstable */
+		for (; ipsstp->iss_list; ipsstp->iss_list = ips.is_next) {
+
+			if (kmemcpy((char *)&ips, (u_long)ipsstp->iss_list,
+				    sizeof(ips)))
+				break;
+
+			if (ips.is_v != ver)
+				continue;
+
+			/* check v4 src/dest addresses */
+			if (ips.is_v == 4) {
+				if ((saddr.in4.s_addr != INADDR_ANY &&
+				     saddr.in4.s_addr != ips.is_saddr) ||
+				    (daddr.in4.s_addr != INADDR_ANY &&
+				     daddr.in4.s_addr != ips.is_daddr))
+					continue;
+			}
+#ifdef	USE_INET6
+			/* check v6 src/dest addresses */
+			if (ips.is_v == 6) {
+				if ((IP6_NEQ(&saddr, &in6addr_any) &&
+				     IP6_NEQ(&saddr, &ips.is_src)) ||
+				    (IP6_NEQ(&daddr, &in6addr_any) &&
+				     IP6_NEQ(&daddr, &ips.is_dst)))
+					continue;
+			}
+#endif
+			/* check protocol */
+			if (protocol > 0 && protocol != ips.is_p)
+				continue;
+
+			/* check ports if protocol is TCP or UDP */
+			if (((ips.is_p == IPPROTO_TCP) ||
+			     (ips.is_p == IPPROTO_UDP)) &&
+			   (((sport > 0) && (htons(sport) != ips.is_sport)) ||
+			    ((dport > 0) && (htons(dport) != ips.is_dport))))
+				continue;
+
+			/* show closed TCP sessions ? */
+			if ((topclosed == 0) && (ips.is_p == IPPROTO_TCP) &&
+			    (ips.is_state[0] >= IPF_TCPS_LAST_ACK) &&
+			    (ips.is_state[1] >= IPF_TCPS_LAST_ACK))
+				continue;
+
+			/*
+			 * if necessary make room for this state
+			 * entry
+			 */
+			tsentry++;
+			if (!maxtsentries || tsentry == maxtsentries) {
+				maxtsentries += STGROWSIZE;
+				tstable = realloc(tstable,
+				    maxtsentries * sizeof(statetop_t));
+				if (tstable == NULL) {
+					perror("realloc");
+					exit(-1);
+				}
+			}
+
+			/* get max src/dest address string length */
+			len = strlen(getip(ips.is_v, &ips.is_src));
+			if (srclen < len)
+				srclen = len;
+			len = strlen(getip(ips.is_v, &ips.is_dst));
+			if (dstlen < len)
+				dstlen = len;
+
+			/* fill structure */
+			tp = tstable + tsentry;
+			tp->st_src = ips.is_src;
+			tp->st_dst = ips.is_dst;
+			tp->st_p = ips.is_p;
+			tp->st_v = ips.is_v;
+			tp->st_state[0] = ips.is_state[0];
+			tp->st_state[1] = ips.is_state[1];
+			if (forward) {
+				tp->st_pkts = ips.is_pkts[0]+ips.is_pkts[1];
+				tp->st_bytes = ips.is_bytes[0]+ips.is_bytes[1];
+			} else {
+				tp->st_pkts = ips.is_pkts[2]+ips.is_pkts[3];
+				tp->st_bytes = ips.is_bytes[2]+ips.is_bytes[3];
+			}
+			tp->st_age = ips.is_die - ipsstp->iss_ticks;
+			if ((ips.is_p == IPPROTO_TCP) ||
+			    (ips.is_p == IPPROTO_UDP)) {
+				tp->st_sport = ips.is_sport;
+				tp->st_dport = ips.is_dport;
+			}
+		}
+
+
+		/* sort the array */
+		if (tsentry != -1) {
+			switch (sorting)
+			{
+			case STSORT_PR:
+				qsort(tstable, tsentry + 1,
+				      sizeof(statetop_t), sort_p);
+				break;
+			case STSORT_PKTS:
+				qsort(tstable, tsentry + 1,
+				      sizeof(statetop_t), sort_pkts);
+				break;
+			case STSORT_BYTES:
+				qsort(tstable, tsentry + 1,
+				      sizeof(statetop_t), sort_bytes);
+				break;
+			case STSORT_TTL:
+				qsort(tstable, tsentry + 1,
+				      sizeof(statetop_t), sort_ttl);
+				break;
+			case STSORT_SRCIP:
+				qsort(tstable, tsentry + 1,
+				      sizeof(statetop_t), sort_srcip);
+				break;
+			case STSORT_SRCPT:
+				qsort(tstable, tsentry +1,
+					sizeof(statetop_t), sort_srcpt);
+				break;
+			case STSORT_DSTIP:
+				qsort(tstable, tsentry + 1,
+				      sizeof(statetop_t), sort_dstip);
+				break;
+			case STSORT_DSTPT:
+				qsort(tstable, tsentry + 1,
+				      sizeof(statetop_t), sort_dstpt);
+				break;
+			default:
+				break;
+			}
+		}
+
+		/* handle window resizes */
+		if (handle_resize) {
+			endwin();
+			initscr();
+			cbreak();
+			noecho();
+			curs_set(0);
+			timeout(0);
+			getmaxyx(stdscr, maxy, maxx);
+			redraw = 1;
+			handle_resize = 0;
+                }
+
+		/* stop program? */
+		if (handle_break)
+			break;
+
+		/* print title */
+		erase();
+		attron(A_BOLD);
+		winy = 0;
+		move(winy,0);
+		sprintf(str1, "%s - %s - state top", hostnm, IPL_VERSION);
+		for (j = 0 ; j < (maxx - 8 - strlen(str1)) / 2; j++)
+			printw(" ");
+		printw("%s", str1);
+		attroff(A_BOLD);
+
+		/* just for fun add a clock */
+		move(winy, maxx - 8);
+		t = time(NULL);
+		strftime(str1, 80, "%T", localtime(&t));
+		printw("%s\n", str1);
+
+		/*
+		 * print the display filters, this is placed in the loop,
+		 * because someday I might add code for changing these
+		 * while the programming is running :-)
+		 */
+		if (sport >= 0)
+			sprintf(str1, "%s,%d", getip(ver, &saddr), sport);
+		else
+			sprintf(str1, "%s", getip(ver, &saddr));
+
+		if (dport >= 0)
+			sprintf(str2, "%s,%d", getip(ver, &daddr), dport);
+		else
+			sprintf(str2, "%s", getip(ver, &daddr));
+
+		if (protocol < 0)
+			strcpy(str3, "any");
+		else if ((proto = getprotobynumber(protocol)) != NULL)
+			sprintf(str3, "%s", proto->p_name);
+		else
+			sprintf(str3, "%d", protocol);
+
+		switch (sorting)
+		{
+		case STSORT_PR:
+			sprintf(str4, "proto");
+			break;
+		case STSORT_PKTS:
+			sprintf(str4, "# pkts");
+			break;
+		case STSORT_BYTES:
+			sprintf(str4, "# bytes");
+			break;
+		case STSORT_TTL:
+			sprintf(str4, "ttl");
+			break;
+		case STSORT_SRCIP:
+			sprintf(str4, "src ip");
+			break;
+		case STSORT_SRCPT:
+			sprintf(str4, "src port");
+			break;
+		case STSORT_DSTIP:
+			sprintf(str4, "dest ip");
+			break;
+		case STSORT_DSTPT:
+			sprintf(str4, "dest port");
+			break;
+		default:
+			sprintf(str4, "unknown");
+			break;
+		}
+
+		if (reverse)
+			strcat(str4, " (reverse)");
+
+		winy += 2;
+		move(winy,0);
+		printw("Src: %s, Dest: %s, Proto: %s, Sorted by: %s\n\n",
+		       str1, str2, str3, str4);
+
+		/* 
+		 * For an IPv4 IP address we need at most 15 characters,
+		 * 4 tuples of 3 digits, separated by 3 dots. Enforce this
+		 * length, so the colums do not change positions based
+		 * on the size of the IP address. This length makes the
+		 * output fit in a 80 column terminal. 
+		 * We are lacking a good solution for IPv6 addresses (that
+		 * can be longer that 15 characters), so we do not enforce 
+		 * a maximum on the IP field size.
+		 */
+		if (srclen < 15)
+			srclen = 15;
+		if (dstlen < 15)
+			dstlen = 15;
+
+		/* print column description */
+		winy += 2;
+		move(winy,0);
+		attron(A_BOLD);
+		printw("%-*s %-*s %3s %4s %7s %9s %9s\n",
+		       srclen + 6, "Source IP", dstlen + 6, "Destination IP",
+		       "ST", "PR", "#pkts", "#bytes", "ttl");
+		attroff(A_BOLD);
+
+		/* print all the entries */
+		tp = tstable;
+		if (reverse)
+			tp += tsentry;
+
+		if (tsentry > maxy - 6)
+			tsentry = maxy - 6;
+		for (i = 0; i <= tsentry; i++) {
+			/* print src/dest and port */
+			if ((tp->st_p == IPPROTO_TCP) ||
+			    (tp->st_p == IPPROTO_UDP)) {
+				sprintf(str1, "%s,%hu",
+					getip(tp->st_v, &tp->st_src),
+					ntohs(tp->st_sport));
+				sprintf(str2, "%s,%hu",
+					getip(tp->st_v, &tp->st_dst),
+					ntohs(tp->st_dport));
+			} else {
+				sprintf(str1, "%s", getip(tp->st_v,
+				    &tp->st_src));
+				sprintf(str2, "%s", getip(tp->st_v,
+				    &tp->st_dst));
+			}
+			winy++;
+			move(winy, 0);
+			printw("%-*s %-*s", srclen + 6, str1, dstlen + 6, str2);
+
+			/* print state */
+			sprintf(str1, "%X/%X", tp->st_state[0],
+				tp->st_state[1]);
+			printw(" %3s", str1);
+
+			/* print protocol */
+			proto = getprotobynumber(tp->st_p);
+			if (proto) {
+				strncpy(str1, proto->p_name, 4);
+				str1[4] = '\0';
+			} else {
+				sprintf(str1, "%d", tp->st_p);
+			}
+			/* just print icmp for IPv6-ICMP */
+			if (tp->st_p == IPPROTO_ICMPV6)
+				strcpy(str1, "icmp");
+			printw(" %4s", str1);
+
+			/* print #pkt/#bytes */
+#ifdef	USE_QUAD_T
+			printw(" %7qu %9qu", (unsigned long long) tp->st_pkts,
+				(unsigned long long) tp->st_bytes);
+#else
+			printw(" %7lu %9lu", tp->st_pkts, tp->st_bytes);
+#endif
+			printw(" %9s", ttl_to_string(tp->st_age));
+
+			if (reverse)
+				tp--;
+			else
+				tp++;
+		}
+
+		/* screen data structure is filled, now update the screen */
+		if (redraw)
+			clearok(stdscr,1);
+
+		if (refresh() == ERR)
+			break;
+		if (redraw) {
+			clearok(stdscr,0);
+			redraw = 0;
+		}
+
+		/* wait for key press or a 1 second time out period */
+		selecttimeout.tv_sec = refreshtime;
+		selecttimeout.tv_usec = 0;
+		FD_ZERO(&readfd);
+		FD_SET(0, &readfd);
+		select(1, &readfd, NULL, NULL, &selecttimeout);
+
+		/* if key pressed, read all waiting keys */
+		if (FD_ISSET(0, &readfd)) {
+			c = wgetch(stdscr);
+			if (c == ERR)
+				continue;
+
+			if (ISALPHA(c) && ISUPPER(c))
+				c = TOLOWER(c);
+			if (c == 'l') {
+				redraw = 1;
+			} else if (c == 'q') {
+				break;
+			} else if (c == 'r') {
+				reverse = !reverse;
+			} else if (c == 'b') {
+				forward = 0;
+			} else if (c == 'f') {
+				forward = 1;
+			} else if (c == 's') {
+				if (++sorting > STSORT_MAX)
+					sorting = 0;
+			}
+		}
+	} /* while */
+
+	printw("\n");
+	curs_set(1);
+	nocbreak();
+	endwin();
+
+	free(tstable);
+}
+#endif
+
+
+/*
+ * Show fragment cache information that's held in the kernel.
+ */
+static void showfrstates(ifsp)
+ipfrstat_t *ifsp;
+{
+	struct ipfr *ipfrtab[IPFT_SIZE], ifr;
+	int i;
+
+	/*
+	 * print out the numeric statistics
+	 */
+	PRINTF("IP fragment states:\n\t%lu new\n\t%lu expired\n\t%lu hits\n",
+		ifsp->ifs_new, ifsp->ifs_expire, ifsp->ifs_hits);
+	PRINTF("\t%lu retrans\n\t%lu too short\n",
+		ifsp->ifs_retrans0, ifsp->ifs_short);
+	PRINTF("\t%lu no memory\n\t%lu already exist\n",
+		ifsp->ifs_nomem, ifsp->ifs_exists);
+	PRINTF("\t%lu inuse\n", ifsp->ifs_inuse);
+	if (kmemcpy((char *)ipfrtab, (u_long)ifsp->ifs_table, sizeof(ipfrtab)))
+		return;
+
+	/*
+	 * Print out the contents (if any) of the fragment cache table.
+	 */
+	PRINTF("\n");
+	for (i = 0; i < IPFT_SIZE; i++)
+		while (ipfrtab[i] != NULL) {
+			if (kmemcpy((char *)&ifr, (u_long)ipfrtab[i],
+				    sizeof(ifr)) == -1)
+				break;
+			printfraginfo("", &ifr);
+			ipfrtab[i] = ifr.ipfr_next;
+		}
+	/*
+	 * Print out the contents (if any) of the NAT fragment cache table.
+	 */
+	if (kmemcpy((char *)ipfrtab, (u_long)ifsp->ifs_nattab,sizeof(ipfrtab)))
+		return;
+	for (i = 0; i < IPFT_SIZE; i++)
+		while (ipfrtab[i] != NULL) {
+			if (kmemcpy((char *)&ifr, (u_long)ipfrtab[i],
+				    sizeof(ifr)) == -1)
+				break;
+			printfraginfo("NAT: ", &ifr);
+			ipfrtab[i] = ifr.ipfr_next;
+		}
+}
+
+
+/*
+ * Show stats on how auth within IPFilter has been used
+ */
+static void showauthstates(asp)
+fr_authstat_t *asp;
+{
+	frauthent_t *frap, fra;
+
+#ifdef	USE_QUAD_T
+	printf("Authorisation hits: %qu\tmisses %qu\n",
+		(unsigned long long) asp->fas_hits,
+		(unsigned long long) asp->fas_miss);
+#else
+	printf("Authorisation hits: %ld\tmisses %ld\n", asp->fas_hits,
+		asp->fas_miss);
+#endif
+	printf("nospace %ld\nadded %ld\nsendfail %ld\nsendok %ld\n",
+		asp->fas_nospace, asp->fas_added, asp->fas_sendfail,
+		asp->fas_sendok);
+	printf("queok %ld\nquefail %ld\nexpire %ld\n",
+		asp->fas_queok, asp->fas_quefail, asp->fas_expire);
+
+	frap = asp->fas_faelist;
+	while (frap) {
+		if (kmemcpy((char *)&fra, (u_long)frap, sizeof(fra)) == -1)
+			break;
+
+		printf("age %ld\t", fra.fae_age);
+		printfr(&fra.fae_fr, ioctl);
+		frap = fra.fae_next;
+	}
+}
+
+
+/*
+ * Display groups used for each of filter rules, accounting rules and
+ * authentication, separately.
+ */
+static void showgroups(fiop)
+struct friostat	*fiop;
+{
+	static char *gnames[3] = { "Filter", "Accounting", "Authentication" };
+	static int gnums[3] = { IPL_LOGIPF, IPL_LOGCOUNT, IPL_LOGAUTH };
+	frgroup_t *fp, grp;
+	int on, off, i;
+
+	on = fiop->f_active;
+	off = 1 - on;
+
+	for (i = 0; i < 3; i++) {
+		printf("%s groups (active):\n", gnames[i]);
+		for (fp = fiop->f_groups[gnums[i]][on]; fp != NULL;
+		     fp = grp.fg_next)
+			if (kmemcpy((char *)&grp, (u_long)fp, sizeof(grp)))
+				break;
+			else
+				printf("%s\n", grp.fg_name);
+		printf("%s groups (inactive):\n", gnames[i]);
+		for (fp = fiop->f_groups[gnums[i]][off]; fp != NULL;
+		     fp = grp.fg_next)
+			if (kmemcpy((char *)&grp, (u_long)fp, sizeof(grp)))
+				break;
+			else
+				printf("%s\n", grp.fg_name);
+	}
+}
+
+static void parse_ipportstr(argument, ip, port)
+const char *argument;
+i6addr_t *ip;
+int *port;
+{
+	char *s, *comma;
+	int ok = 0;
+
+	/* make working copy of argument, Theoretically you must be able
+	 * to write to optarg, but that seems very ugly to me....
+	 */
+	s = strdup(argument);
+	if (s == NULL)
+		return;
+
+	/* get port */
+	if ((comma = strchr(s, ',')) != NULL) {
+		if (!strcasecmp(comma + 1, "any")) {
+			*port = -1;
+		} else if (!sscanf(comma + 1, "%d", port) ||
+			   (*port < 0) || (*port > 65535)) {
+			fprintf(stderr, "Invalid port specfication in %s\n",
+				argument);
+			free(s);
+			exit(-2);
+		}
+		*comma = '\0';
+	}
+
+
+	/* get ip address */
+	if (!strcasecmp(s, "any")) {
+		ip->in4.s_addr = INADDR_ANY;
+#ifdef	USE_INET6
+		ip->in6 = in6addr_any;
+	} else if (use_inet6 && inet_pton(AF_INET6, s, &ip->in6)) {
+		ok = 1;
+#endif
+	} else if (inet_aton(s, &ip->in4))
+		ok = 1;
+
+	if (ok == 0) {
+		fprintf(stderr, "Invalid IP address: %s\n", s);
+		free(s);
+		exit(-2);
+	}
+
+	/* free allocated memory */
+	free(s);
+}
+
+
+#ifdef STATETOP
+static void sig_resize(s)
+int s;
+{
+	handle_resize = 1;
+}
+
+static void sig_break(s)
+int s;
+{
+	handle_break = 1;
+}
+
+static char *getip(v, addr)
+int v;
+i6addr_t *addr;
+{
+	static char hostbuf[MAXHOSTNAMELEN+1];
+
+	if (v == 4)
+		return inet_ntoa(addr->in4);
+
+#ifdef  USE_INET6
+	(void) inet_ntop(AF_INET6, &addr->in6, hostbuf, sizeof(hostbuf) - 1);
+	hostbuf[MAXHOSTNAMELEN] = '\0';
+	return hostbuf;
+#else
+	return "IPv6";
+#endif
+}
+
+
+static char *ttl_to_string(ttl)
+long int ttl;
+{
+	static char ttlbuf[STSTRSIZE];
+	int hours, minutes, seconds;
+
+	/* ttl is in half seconds */
+	ttl /= 2;
+
+	hours = ttl / 3600;
+	ttl = ttl % 3600;
+	minutes = ttl / 60;
+	seconds = ttl % 60;
+
+	if (hours > 0)
+		sprintf(ttlbuf, "%2d:%02d:%02d", hours, minutes, seconds);
+	else
+		sprintf(ttlbuf, "%2d:%02d", minutes, seconds);
+	return ttlbuf;
+}
+
+
+static int sort_pkts(a, b)
+const void *a;
+const void *b;
+{
+
+	register const statetop_t *ap = a;
+	register const statetop_t *bp = b;
+
+	if (ap->st_pkts == bp->st_pkts)
+		return 0;
+	else if (ap->st_pkts < bp->st_pkts)
+		return 1;
+	return -1;
+}
+
+
+static int sort_bytes(a, b)
+const void *a;
+const void *b;
+{
+	register const statetop_t *ap = a;
+	register const statetop_t *bp = b;
+
+	if (ap->st_bytes == bp->st_bytes)
+		return 0;
+	else if (ap->st_bytes < bp->st_bytes)
+		return 1;
+	return -1;
+}
+
+
+static int sort_p(a, b)
+const void *a;
+const void *b;
+{
+	register const statetop_t *ap = a;
+	register const statetop_t *bp = b;
+
+	if (ap->st_p == bp->st_p)
+		return 0;
+	else if (ap->st_p < bp->st_p)
+		return 1;
+	return -1;
+}
+
+
+static int sort_ttl(a, b)
+const void *a;
+const void *b;
+{
+	register const statetop_t *ap = a;
+	register const statetop_t *bp = b;
+
+	if (ap->st_age == bp->st_age)
+		return 0;
+	else if (ap->st_age < bp->st_age)
+		return 1;
+	return -1;
+}
+
+static int sort_srcip(a, b)
+const void *a;
+const void *b;
+{
+	register const statetop_t *ap = a;
+	register const statetop_t *bp = b;
+
+#ifdef USE_INET6
+	if (use_inet6) {
+		if (IP6_EQ(&ap->st_src, &bp->st_src))
+			return 0;
+		else if (IP6_GT(&ap->st_src, &bp->st_src))
+			return 1;
+	} else
+#endif
+	{
+		if (ntohl(ap->st_src.in4.s_addr) ==
+		    ntohl(bp->st_src.in4.s_addr))
+			return 0;
+		else if (ntohl(ap->st_src.in4.s_addr) >
+		         ntohl(bp->st_src.in4.s_addr))
+			return 1;
+	}
+	return -1;
+}
+
+static int sort_srcpt(a, b)
+const void *a;
+const void *b;
+{
+	register const statetop_t *ap = a;
+	register const statetop_t *bp = b;
+
+	if (htons(ap->st_sport) == htons(bp->st_sport))
+		return 0;
+	else if (htons(ap->st_sport) > htons(bp->st_sport))
+		return 1;
+	return -1;
+}
+
+static int sort_dstip(a, b)
+const void *a;
+const void *b;
+{
+	register const statetop_t *ap = a;
+	register const statetop_t *bp = b;
+
+#ifdef USE_INET6
+	if (use_inet6) {
+		if (IP6_EQ(&ap->st_dst, &bp->st_dst))
+			return 0;
+		else if (IP6_GT(&ap->st_dst, &bp->st_dst))
+			return 1;
+	} else
+#endif
+	{
+		if (ntohl(ap->st_dst.in4.s_addr) ==
+		    ntohl(bp->st_dst.in4.s_addr))
+			return 0;
+		else if (ntohl(ap->st_dst.in4.s_addr) >
+		         ntohl(bp->st_dst.in4.s_addr))
+			return 1;
+	}
+	return -1;
+}
+
+static int sort_dstpt(a, b)
+const void *a;
+const void *b;
+{
+	register const statetop_t *ap = a;
+	register const statetop_t *bp = b;
+
+	if (htons(ap->st_dport) == htons(bp->st_dport))
+		return 0;
+	else if (htons(ap->st_dport) > htons(bp->st_dport))
+		return 1;
+	return -1;
+}
+
+#endif