xref: /illumos-gate/usr/src/cmd/ipf/tools/ipfstat.c (revision ef1266ef)
1 /*
2  * Copyright (C) 1993-2001, 2003 by Darren Reed.
3  *
4  * See the IPFILTER.LICENCE file for details on licencing.
5  *
6  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
7  * Use is subject to license terms.
8  *
9  * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
10  */
11 
12 #ifdef __FreeBSD__
13 # ifndef __FreeBSD_cc_version
14 #  include <osreldate.h>
15 # else
16 #  if __FreeBSD_cc_version < 430000
17 #   include <osreldate.h>
18 #  endif
19 # endif
20 #endif
21 #include <sys/ioctl.h>
22 #include <fcntl.h>
23 #ifdef linux
24 # include <linux/a.out.h>
25 #else
26 # include <nlist.h>
27 #endif
28 #include <ctype.h>
29 #if defined(sun) && (defined(__svr4__) || defined(__SVR4))
30 # include <stddef.h>
31 #endif
32 #include "ipf.h"
33 #include "netinet/ipl.h"
34 #if defined(STATETOP)
35 # if defined(_BSDI_VERSION)
36 #  undef STATETOP
37 # endif
38 # if defined(__FreeBSD__) && \
39      (!defined(__FreeBSD_version) || (__FreeBSD_version < 430000))
40 #  undef STATETOP
41 # endif
42 # if defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105000000)
43 #  undef STATETOP
44 # endif
45 # if defined(sun)
46 #  if defined(__svr4__) || defined(__SVR4)
47 #   include <sys/select.h>
48 #  else
49 #   undef STATETOP	/* NOT supported on SunOS4 */
50 #  endif
51 # endif
52 #endif
53 #if defined(STATETOP) && !defined(linux)
54 # include <netinet/ip_var.h>
55 # include <netinet/tcp_fsm.h>
56 #endif
57 #ifdef STATETOP
58 # include <ctype.h>
59 # include <signal.h>
60 # if defined(SOLARIS) || defined(__NetBSD__) || defined(_BSDI_VERSION) || \
61      defined(__sgi)
62 #  ifdef ERR
63 #   undef ERR
64 #  endif
65 #  undef ISASCII
66 #  undef ISPRINT
67 #  include <curses.h>
68 # else /* SOLARIS */
69 #  include <ncurses.h>
70 # endif /* SOLARIS */
71 #endif /* STATETOP */
72 #include "kmem.h"
73 #if defined(__NetBSD__) || (__OpenBSD__)
74 # include <paths.h>
75 #endif
76 #include "ipfzone.h"
77 
78 #if !defined(lint)
79 static const char sccsid[] = "@(#)fils.c	1.21 4/20/96 (C) 1993-2000 Darren Reed";
80 static const char rcsid[] = "@(#)$Id: ipfstat.c,v 1.44.2.12 2005/06/12 07:18:46 darrenr Exp $";
81 #endif
82 
83 #ifdef __hpux
84 # define	nlist	nlist64
85 #endif
86 
87 extern	char	*optarg;
88 extern	int	optind;
89 extern	int	opterr;
90 
91 #define	PRINTF	(void)printf
92 #define	FPRINTF	(void)fprintf
93 static	char	*filters[4] = { "ipfilter(in)", "ipfilter(out)",
94 				"ipacct(in)", "ipacct(out)" };
95 static	int	state_logging = -1;
96 
97 int	opts = 0;
98 int	use_inet6 = 0;
99 int	live_kernel = 1;
100 int	state_fd = -1;
101 int	ipf_fd = -1;
102 
103 #ifdef STATETOP
104 #define	STSTRSIZE 	80
105 #define	STGROWSIZE	16
106 #define	HOSTNMLEN	40
107 
108 #define	STSORT_PR	0
109 #define	STSORT_PKTS	1
110 #define	STSORT_BYTES	2
111 #define	STSORT_TTL	3
112 #define	STSORT_SRCIP	4
113 #define	STSORT_SRCPT	5
114 #define	STSORT_DSTIP	6
115 #define	STSORT_DSTPT	7
116 #define	STSORT_MAX	STSORT_DSTPT
117 #define	STSORT_DEFAULT	STSORT_BYTES
118 
119 
120 typedef struct statetop {
121 	i6addr_t	st_src;
122 	i6addr_t	st_dst;
123 	u_short		st_sport;
124 	u_short 	st_dport;
125 	u_char		st_p;
126 	u_char		st_v;
127 	u_char		st_state[2];
128 	U_QUAD_T	st_pkts;
129 	U_QUAD_T	st_bytes;
130 	u_long		st_age;
131 } statetop_t;
132 #endif
133 
134 int	main __P((int, char *[]));
135 
136 static	void	showstats __P((friostat_t *, u_32_t));
137 static	void	showfrstates __P((ipfrstat_t *, u_long));
138 static	void	showlist __P((friostat_t *));
139 static	void	showipstates __P((ips_stat_t *));
140 static	void	showauthstates __P((fr_authstat_t *));
141 static	void	showgroups __P((friostat_t *));
142 static	void	usage __P((char *));
143 static	void	printlivelist __P((int, int, frentry_t *, char *, char *));
144 static	void	printdeadlist __P((int, int, frentry_t *, char *, char *));
145 static	void	printlist __P((frentry_t *, char *));
146 static	void	parse_ipportstr __P((const char *, i6addr_t *, int *));
147 static	void	ipfstate_live __P((char *, friostat_t **, ips_stat_t **,
148 				   ipfrstat_t **, fr_authstat_t **, u_32_t *));
149 static	void	ipfstate_dead __P((char *, friostat_t **, ips_stat_t **,
150 				   ipfrstat_t **, fr_authstat_t **, u_32_t *));
151 #ifdef STATETOP
152 static	void	topipstates __P((i6addr_t, i6addr_t, int, int, int,
153 				 int, int, int));
154 static	void	sig_break __P((int));
155 static	void	sig_resize __P((int));
156 static	char	*getip __P((int, i6addr_t *));
157 static	char	*ttl_to_string __P((long));
158 static	int	sort_p __P((const void *, const void *));
159 static	int	sort_pkts __P((const void *, const void *));
160 static	int	sort_bytes __P((const void *, const void *));
161 static	int	sort_ttl __P((const void *, const void *));
162 static	int	sort_srcip __P((const void *, const void *));
163 static	int	sort_srcpt __P((const void *, const void *));
164 static	int	sort_dstip __P((const void *, const void *));
165 static	int	sort_dstpt __P((const void *, const void *));
166 #endif
167 
168 
usage(name)169 static void usage(name)
170 char *name;
171 {
172 #ifdef  USE_INET6
173 	fprintf(stderr, "Usage: %s [-6aAdfghIilnoRsv]\n", name);
174 #else
175 	fprintf(stderr, "Usage: %s [-aAdfghIilnoRsv]\n", name);
176 #endif
177 	fprintf(stderr, "       %s [-M corefile] [-N symbol-list]\n", name);
178 #ifdef	USE_INET6
179 	fprintf(stderr, "       %s -t [-6C] ", name);
180 #else
181 	fprintf(stderr, "       %s -t [-C] ", name);
182 #endif
183 	fprintf(stderr, "[-G|-z zonename] ");
184 	fprintf(stderr, "[-D destination address] [-P protocol] [-S source address] [-T refresh time]\n");
185 	exit(1);
186 }
187 
188 
main(argc,argv)189 int main(argc,argv)
190 int argc;
191 char *argv[];
192 {
193 	fr_authstat_t	frauthst;
194 	fr_authstat_t	*frauthstp = &frauthst;
195 	friostat_t fio;
196 	friostat_t *fiop = &fio;
197 	ips_stat_t ipsst;
198 	ips_stat_t *ipsstp = &ipsst;
199 	ipfrstat_t ifrst;
200 	ipfrstat_t *ifrstp = &ifrst;
201 	char	*device = IPL_NAME, *memf = NULL;
202 	char	*options, *kern = NULL;
203 	int	c, myoptind;
204 
205 	int protocol = -1;		/* -1 = wild card for any protocol */
206 	int refreshtime = 1; 		/* default update time */
207 	int sport = -1;			/* -1 = wild card for any source port */
208 	int dport = -1;			/* -1 = wild card for any dest port */
209 	int topclosed = 0;		/* do not show closed tcp sessions */
210 	i6addr_t saddr, daddr;
211 	u_32_t frf;
212 
213 #ifdef	USE_INET6
214 	options = "6aACdfgG:hIilnostvD:M:N:P:RS:T:z:";
215 #else
216 	options = "aACdfgG:hIilnostvD:M:N:P:RS:T:z:";
217 #endif
218 
219 	saddr.in4.s_addr = INADDR_ANY; 	/* default any v4 source addr */
220 	daddr.in4.s_addr = INADDR_ANY; 	/* default any v4 dest addr */
221 #ifdef	USE_INET6
222 	saddr.in6 = in6addr_any;	/* default any v6 source addr */
223 	daddr.in6 = in6addr_any;	/* default any v6 dest addr */
224 #endif
225 
226 	/* Don't warn about invalid flags when we run getopt for the 1st time */
227 	opterr = 0;
228 
229 	/*
230 	 * Parse these four arguments now lest there be any buffer overflows
231 	 * in the parsing of the rest.
232 	 */
233 	myoptind = optind;
234 	while ((c = getopt(argc, argv, options)) != -1) {
235 		switch (c)
236 		{
237 		case 'G' :
238 			setzonename_global(optarg);
239 			break;
240 		case 'M' :
241 			memf = optarg;
242 			live_kernel = 0;
243 			break;
244 		case 'N' :
245 			kern = optarg;
246 			live_kernel = 0;
247 			break;
248 		case 'z' :
249 			setzonename(optarg);
250 			break;
251 		}
252 	}
253 	optind = myoptind;
254 
255 	if (live_kernel == 1) {
256 		if ((state_fd = open(IPSTATE_NAME, O_RDONLY)) == -1) {
257 			perror("open(IPSTATE_NAME)");
258 			exit(-1);
259 		}
260 
261 		if (setzone(state_fd) != 0) {
262 			close(state_fd);
263 			exit(-1);
264 		}
265 
266 		if ((ipf_fd = open(device, O_RDONLY)) == -1) {
267 			fprintf(stderr, "open(%s)", device);
268 			perror("");
269 			exit(-1);
270 		}
271 
272 		if (setzone(ipf_fd) != 0) {
273 			close(ipf_fd);
274 			exit(-1);
275 		}
276 	}
277 
278 	if (kern != NULL || memf != NULL) {
279 		(void)setgid(getgid());
280 		(void)setreuid(getuid(), getuid());
281 		if (openkmem(kern, memf) == -1)
282 			exit(-1);
283 	}
284 
285 	if (live_kernel == 1)
286 		(void) checkrev(device);
287 	(void)setgid(getgid());
288 	(void)setreuid(getuid(), getuid());
289 
290 	opterr = 1;
291 
292 	while ((c = getopt(argc, argv, options)) != -1)
293 	{
294 		switch (c)
295 		{
296 #ifdef	USE_INET6
297 		case '6' :
298 			use_inet6 = 1;
299 			break;
300 #endif
301 		case 'a' :
302 			opts |= OPT_ACCNT|OPT_SHOWLIST;
303 			break;
304 		case 'A' :
305 			opts |= OPT_AUTHSTATS;
306 			break;
307 		case 'C' :
308 			topclosed = 1;
309 			break;
310 		case 'd' :
311 			opts |= OPT_DEBUG;
312 			break;
313 		case 'D' :
314 			parse_ipportstr(optarg, &daddr, &dport);
315 			break;
316 		case 'f' :
317 			opts |= OPT_FRSTATES;
318 			break;
319 		case 'g' :
320 			opts |= OPT_GROUPS;
321 			break;
322 		case 'G' :
323 			/* Already handled by getzoneopt() above */
324 			break;
325 		case 'h' :
326 			opts |= OPT_HITS;
327 			break;
328 		case 'i' :
329 			opts |= OPT_INQUE|OPT_SHOWLIST;
330 			break;
331 		case 'I' :
332 			opts |= OPT_INACTIVE;
333 			break;
334 		case 'l' :
335 			opts |= OPT_SHOWLIST;
336 			break;
337 		case 'M' :
338 			break;
339 		case 'N' :
340 			break;
341 		case 'n' :
342 			opts |= OPT_SHOWLINENO;
343 			break;
344 		case 'o' :
345 			opts |= OPT_OUTQUE|OPT_SHOWLIST;
346 			break;
347 		case 'P' :
348 			protocol = getproto(optarg);
349 			if (protocol == -1) {
350 				fprintf(stderr, "%s: Invalid protocol: %s\n",
351 					argv[0], optarg);
352 				exit(-2);
353 			}
354 			break;
355 		case 'R' :
356 			opts |= OPT_NORESOLVE;
357 			break;
358 		case 's' :
359 			opts |= OPT_IPSTATES;
360 			break;
361 		case 'S' :
362 			parse_ipportstr(optarg, &saddr, &sport);
363 			break;
364 		case 't' :
365 #ifdef STATETOP
366 			opts |= OPT_STATETOP;
367 			break;
368 #else
369 			fprintf(stderr,
370 				"%s: state top facility not compiled in\n",
371 				argv[0]);
372 			exit(-2);
373 #endif
374 		case 'T' :
375 			if (!sscanf(optarg, "%d", &refreshtime) ||
376 				    (refreshtime <= 0)) {
377 				fprintf(stderr,
378 					"%s: Invalid refreshtime < 1 : %s\n",
379 					argv[0], optarg);
380 				exit(-2);
381 			}
382 			break;
383 		case 'v' :
384 			opts |= OPT_VERBOSE;
385 			opts |= OPT_UNDEF;
386 			break;
387 		case 'z' :
388 			/* Already handled by getzoneopt() above */
389 			break;
390 		default :
391 			usage(argv[0]);
392 			break;
393 		}
394 	}
395 
396 	if (live_kernel == 1) {
397 		bzero((char *)&fio, sizeof(fio));
398 		bzero((char *)&ipsst, sizeof(ipsst));
399 		bzero((char *)&ifrst, sizeof(ifrst));
400 
401 		ipfstate_live(device, &fiop, &ipsstp, &ifrstp,
402 			      &frauthstp, &frf);
403 	} else
404 		ipfstate_dead(kern, &fiop, &ipsstp, &ifrstp, &frauthstp, &frf);
405 
406 	if (opts & OPT_IPSTATES) {
407 		showipstates(ipsstp);
408 	} else if (opts & OPT_SHOWLIST) {
409 		showlist(fiop);
410 		if ((opts & OPT_OUTQUE) && (opts & OPT_INQUE)){
411 			opts &= ~OPT_OUTQUE;
412 			showlist(fiop);
413 		}
414 	} else if (opts & OPT_FRSTATES)
415 		showfrstates(ifrstp, fiop->f_ticks);
416 #ifdef STATETOP
417 	else if (opts & OPT_STATETOP)
418 		topipstates(saddr, daddr, sport, dport, protocol,
419 			    use_inet6 ? 6 : 4, refreshtime, topclosed);
420 #endif
421 	else if (opts & OPT_AUTHSTATS)
422 		showauthstates(frauthstp);
423 	else if (opts & OPT_GROUPS)
424 		showgroups(fiop);
425 	else
426 		showstats(fiop, frf);
427 
428 	return 0;
429 }
430 
431 
432 /*
433  * Fill in the stats structures from the live kernel, using a combination
434  * of ioctl's and copying directly from kernel memory.
435  */
ipfstate_live(device,fiopp,ipsstpp,ifrstpp,frauthstpp,frfp)436 static void ipfstate_live(device, fiopp, ipsstpp, ifrstpp, frauthstpp, frfp)
437 char *device;
438 friostat_t **fiopp;
439 ips_stat_t **ipsstpp;
440 ipfrstat_t **ifrstpp;
441 fr_authstat_t **frauthstpp;
442 u_32_t *frfp;
443 {
444 	ipfobj_t ipfo;
445 
446 	if (checkrev(device) == -1) {
447 		fprintf(stderr, "User/kernel version check failed\n");
448 		exit(1);
449 	}
450 
451 	if ((opts & OPT_AUTHSTATS) == 0) {
452 		bzero((caddr_t)&ipfo, sizeof(ipfo));
453 		ipfo.ipfo_rev = IPFILTER_VERSION;
454 		ipfo.ipfo_size = sizeof(friostat_t);
455 		ipfo.ipfo_ptr = (void *)*fiopp;
456 		ipfo.ipfo_type = IPFOBJ_IPFSTAT;
457 
458 		if (ioctl(ipf_fd, SIOCGETFS, &ipfo) == -1) {
459 			perror("ioctl(ipf:SIOCGETFS)");
460 			exit(-1);
461 		}
462 
463 		if (ioctl(ipf_fd, SIOCGETFF, frfp) == -1)
464 			perror("ioctl(SIOCGETFF)");
465 	}
466 
467 	if ((opts & OPT_IPSTATES) != 0) {
468 
469 		bzero((caddr_t)&ipfo, sizeof(ipfo));
470 		ipfo.ipfo_rev = IPFILTER_VERSION;
471 		ipfo.ipfo_size = sizeof(ips_stat_t);
472 		ipfo.ipfo_ptr = (void *)*ipsstpp;
473 		ipfo.ipfo_type = IPFOBJ_STATESTAT;
474 
475 		if ((ioctl(state_fd, SIOCGETFS, &ipfo) == -1)) {
476 			perror("ioctl(state:SIOCGETFS)");
477 			exit(-1);
478 		}
479 		if (ioctl(state_fd, SIOCGETLG, &state_logging) == -1) {
480 			perror("ioctl(state:SIOCGETLG)");
481 			exit(-1);
482 		}
483 	}
484 
485 	if ((opts & OPT_FRSTATES) != 0) {
486 		bzero((caddr_t)&ipfo, sizeof(ipfo));
487 		ipfo.ipfo_rev = IPFILTER_VERSION;
488 		ipfo.ipfo_size = sizeof(ipfrstat_t);
489 		ipfo.ipfo_ptr = (void *)*ifrstpp;
490 		ipfo.ipfo_type = IPFOBJ_FRAGSTAT;
491 
492 		if (ioctl(ipf_fd, SIOCGFRST, &ipfo) == -1) {
493 			perror("ioctl(SIOCGFRST)");
494 			exit(-1);
495 		}
496 	}
497 
498 	if (opts & OPT_VERBOSE)
499 		PRINTF("opts %#x name %s\n", opts, device);
500 
501 	if ((opts & OPT_AUTHSTATS) != 0) {
502 		if (ipf_fd >= 0) {
503 			close(ipf_fd);
504 			ipf_fd = -1;
505 		}
506 		device = IPAUTH_NAME;
507 		if ((ipf_fd = open(device, O_RDONLY)) == -1) {
508 			perror("open");
509 			exit(-1);
510 		}
511 
512 		if (setzone(ipf_fd) != 0) {
513 			close(ipf_fd);
514 			exit(-1);
515 		}
516 
517 		bzero((caddr_t)&ipfo, sizeof(ipfo));
518 		ipfo.ipfo_rev = IPFILTER_VERSION;
519 		ipfo.ipfo_size = sizeof(fr_authstat_t);
520 		ipfo.ipfo_ptr = (void *)*frauthstpp;
521 		ipfo.ipfo_type = IPFOBJ_AUTHSTAT;
522 
523 	    	if (ioctl(ipf_fd, SIOCATHST, &ipfo) == -1) {
524 			perror("ioctl(SIOCATHST)");
525 			exit(-1);
526 		}
527 	}
528 }
529 
530 
531 /*
532  * Build up the stats structures from data held in the "core" memory.
533  * This is mainly useful when looking at data in crash dumps and ioctl's
534  * just won't work any more.
535  */
ipfstate_dead(kernel,fiopp,ipsstpp,ifrstpp,frauthstpp,frfp)536 static void ipfstate_dead(kernel, fiopp, ipsstpp, ifrstpp, frauthstpp, frfp)
537 char *kernel;
538 friostat_t **fiopp;
539 ips_stat_t **ipsstpp;
540 ipfrstat_t **ifrstpp;
541 fr_authstat_t **frauthstpp;
542 u_32_t *frfp;
543 {
544 	static fr_authstat_t frauthst, *frauthstp;
545 	static ips_stat_t ipsst, *ipsstp;
546 	static ipfrstat_t ifrst, *ifrstp;
547 	static friostat_t fio, *fiop;
548 	int temp;
549 
550 	void *rules[2][2];
551 	struct nlist deadlist[43] = {
552 		{ "fr_authstats" },		/* 0 */
553 		{ "fae_list" },
554 		{ "ipauth" },
555 		{ "fr_authlist" },
556 		{ "fr_authstart" },
557 		{ "fr_authend" },		/* 5 */
558 		{ "fr_authnext" },
559 		{ "fr_auth" },
560 		{ "fr_authused" },
561 		{ "fr_authsize" },
562 		{ "fr_defaultauthage" },	/* 10 */
563 		{ "fr_authpkts" },
564 		{ "fr_auth_lock" },
565 		{ "frstats" },
566 		{ "ips_stats" },
567 		{ "ips_num" },			/* 15 */
568 		{ "ips_wild" },
569 		{ "ips_list" },
570 		{ "ips_table" },
571 		{ "fr_statemax" },
572 		{ "fr_statesize" },		/* 20 */
573 		{ "fr_state_doflush" },
574 		{ "fr_state_lock" },
575 		{ "ipfr_heads" },
576 		{ "ipfr_nattab" },
577 		{ "ipfr_stats" },		/* 25 */
578 		{ "ipfr_inuse" },
579 		{ "fr_ipfrttl" },
580 		{ "fr_frag_lock" },
581 		{ "ipfr_timer_id" },
582 		{ "fr_nat_lock" },		/* 30 */
583 		{ "ipfilter" },
584 		{ "ipfilter6" },
585 		{ "ipacct" },
586 		{ "ipacct6" },
587 		{ "ipl_frouteok" },		/* 35 */
588 		{ "fr_running" },
589 		{ "ipfgroups" },
590 		{ "fr_active" },
591 		{ "fr_pass" },
592 		{ "fr_flags" },			/* 40 */
593 		{ "ipstate_logging" },
594 		{ NULL }
595 	};
596 
597 
598 	frauthstp = &frauthst;
599 	ipsstp = &ipsst;
600 	ifrstp = &ifrst;
601 	fiop = &fio;
602 
603 	*frfp = 0;
604 	*fiopp = fiop;
605 	*ipsstpp = ipsstp;
606 	*ifrstpp = ifrstp;
607 	*frauthstpp = frauthstp;
608 
609 	bzero((char *)fiop, sizeof(*fiop));
610 	bzero((char *)ipsstp, sizeof(*ipsstp));
611 	bzero((char *)ifrstp, sizeof(*ifrstp));
612 	bzero((char *)frauthstp, sizeof(*frauthstp));
613 
614 	if (nlist(kernel, deadlist) == -1) {
615 		fprintf(stderr, "nlist error\n");
616 		return;
617 	}
618 
619 	/*
620 	 * This is for SIOCGETFF.
621 	 */
622 	kmemcpy((char *)frfp, (u_long)deadlist[40].n_value, sizeof(*frfp));
623 
624 	/*
625 	 * f_locks is a combination of the lock variable from each part of
626 	 * ipfilter (state, auth, nat, fragments).
627 	 */
628 	kmemcpy((char *)fiop, (u_long)deadlist[13].n_value, sizeof(*fiop));
629 	kmemcpy((char *)&fiop->f_locks[0], (u_long)deadlist[22].n_value,
630 		sizeof(fiop->f_locks[0]));
631 	kmemcpy((char *)&fiop->f_locks[0], (u_long)deadlist[30].n_value,
632 		sizeof(fiop->f_locks[1]));
633 	kmemcpy((char *)&fiop->f_locks[2], (u_long)deadlist[28].n_value,
634 		sizeof(fiop->f_locks[2]));
635 	kmemcpy((char *)&fiop->f_locks[3], (u_long)deadlist[12].n_value,
636 		sizeof(fiop->f_locks[3]));
637 
638 	/*
639 	 * Get pointers to each list of rules (active, inactive, in, out)
640 	 */
641 	kmemcpy((char *)&rules, (u_long)deadlist[31].n_value, sizeof(rules));
642 	fiop->f_fin[0] = rules[0][0];
643 	fiop->f_fin[1] = rules[0][1];
644 	fiop->f_fout[0] = rules[1][0];
645 	fiop->f_fout[1] = rules[1][1];
646 
647 	/*
648 	 * Same for IPv6, except make them null if support for it is not
649 	 * being compiled in.
650 	 */
651 #ifdef	USE_INET6
652 	kmemcpy((char *)&rules, (u_long)deadlist[32].n_value, sizeof(rules));
653 	fiop->f_fin6[0] = rules[0][0];
654 	fiop->f_fin6[1] = rules[0][1];
655 	fiop->f_fout6[0] = rules[1][0];
656 	fiop->f_fout6[1] = rules[1][1];
657 #else
658 	fiop->f_fin6[0] = NULL;
659 	fiop->f_fin6[1] = NULL;
660 	fiop->f_fout6[0] = NULL;
661 	fiop->f_fout6[1] = NULL;
662 #endif
663 
664 	/*
665 	 * Now get accounting rules pointers.
666 	 */
667 	kmemcpy((char *)&rules, (u_long)deadlist[33].n_value, sizeof(rules));
668 	fiop->f_acctin[0] = rules[0][0];
669 	fiop->f_acctin[1] = rules[0][1];
670 	fiop->f_acctout[0] = rules[1][0];
671 	fiop->f_acctout[1] = rules[1][1];
672 
673 #ifdef	USE_INET6
674 	kmemcpy((char *)&rules, (u_long)deadlist[34].n_value, sizeof(rules));
675 	fiop->f_acctin6[0] = rules[0][0];
676 	fiop->f_acctin6[1] = rules[0][1];
677 	fiop->f_acctout6[0] = rules[1][0];
678 	fiop->f_acctout6[1] = rules[1][1];
679 #else
680 	fiop->f_acctin6[0] = NULL;
681 	fiop->f_acctin6[1] = NULL;
682 	fiop->f_acctout6[0] = NULL;
683 	fiop->f_acctout6[1] = NULL;
684 #endif
685 
686 	/*
687 	 * A collection of "global" variables used inside the kernel which
688 	 * are all collected in friostat_t via ioctl.
689 	 */
690 	kmemcpy((char *)&fiop->f_froute, (u_long)deadlist[35].n_value,
691 		sizeof(fiop->f_froute));
692 	kmemcpy((char *)&fiop->f_running, (u_long)deadlist[36].n_value,
693 		sizeof(fiop->f_running));
694 	kmemcpy((char *)&fiop->f_groups, (u_long)deadlist[37].n_value,
695 		sizeof(fiop->f_groups));
696 	kmemcpy((char *)&fiop->f_active, (u_long)deadlist[38].n_value,
697 		sizeof(fiop->f_active));
698 	kmemcpy((char *)&fiop->f_defpass, (u_long)deadlist[39].n_value,
699 		sizeof(fiop->f_defpass));
700 
701 	/*
702 	 * Build up the state information stats structure.
703 	 */
704 	kmemcpy((char *)ipsstp, (u_long)deadlist[14].n_value, sizeof(*ipsstp));
705 	kmemcpy((char *)&temp, (u_long)deadlist[15].n_value, sizeof(temp));
706 	ipsstp->iss_active = temp;
707 	ipsstp->iss_table = (void *)deadlist[18].n_value;
708 	ipsstp->iss_list = (void *)deadlist[17].n_value;
709 
710 	/*
711 	 * Build up the authentiation information stats structure.
712 	 */
713 	kmemcpy((char *)frauthstp, (u_long)deadlist[0].n_value,
714 		sizeof(*frauthstp));
715 	frauthstp->fas_faelist = (void *)deadlist[1].n_value;
716 
717 	/*
718 	 * Build up the fragment information stats structure.
719 	 */
720 	kmemcpy((char *)ifrstp, (u_long)deadlist[25].n_value,
721 		sizeof(*ifrstp));
722 	ifrstp->ifs_table = (void *)deadlist[23].n_value;
723 	ifrstp->ifs_nattab = (void *)deadlist[24].n_value;
724 	kmemcpy((char *)&ifrstp->ifs_inuse, (u_long)deadlist[26].n_value,
725 		sizeof(ifrstp->ifs_inuse));
726 
727 	/*
728 	 * Get logging on/off switches
729 	 */
730 	kmemcpy((char *)&state_logging, (u_long)deadlist[41].n_value,
731 		sizeof(state_logging));
732 }
733 
734 
735 /*
736  * Display the kernel stats for packets blocked and passed and other
737  * associated running totals which are kept.
738  */
showstats(fp,frf)739 static	void	showstats(fp, frf)
740 struct	friostat	*fp;
741 u_32_t frf;
742 {
743 
744 	PRINTF("bad packets:\t\tin %lu\tout %lu\n",
745 			fp->f_st[0].fr_bad, fp->f_st[1].fr_bad);
746 #ifdef	USE_INET6
747 	PRINTF(" IPv6 packets:\t\tin %lu out %lu\n",
748 			fp->f_st[0].fr_ipv6, fp->f_st[1].fr_ipv6);
749 #endif
750 	PRINTF(" input packets:\t\tblocked %lu passed %lu nomatch %lu",
751 			fp->f_st[0].fr_block, fp->f_st[0].fr_pass,
752 			fp->f_st[0].fr_nom);
753 	PRINTF(" counted %lu short %lu\n",
754 			fp->f_st[0].fr_acct, fp->f_st[0].fr_short);
755 	PRINTF("output packets:\t\tblocked %lu passed %lu nomatch %lu",
756 			fp->f_st[1].fr_block, fp->f_st[1].fr_pass,
757 			fp->f_st[1].fr_nom);
758 	PRINTF(" counted %lu short %lu\n",
759 			fp->f_st[1].fr_acct, fp->f_st[1].fr_short);
760 	PRINTF(" input packets logged:\tblocked %lu passed %lu\n",
761 			fp->f_st[0].fr_bpkl, fp->f_st[0].fr_ppkl);
762 	PRINTF("output packets logged:\tblocked %lu passed %lu\n",
763 			fp->f_st[1].fr_bpkl, fp->f_st[1].fr_ppkl);
764 	PRINTF(" packets logged:\tinput %lu output %lu\n",
765 			fp->f_st[0].fr_pkl, fp->f_st[1].fr_pkl);
766 	PRINTF(" log failures:\t\tinput %lu output %lu\n",
767 			fp->f_st[0].fr_skip, fp->f_st[1].fr_skip);
768 	PRINTF("fragment state(in):\tkept %lu\tlost %lu\tnot fragmented %lu\n",
769 			fp->f_st[0].fr_nfr, fp->f_st[0].fr_bnfr,
770 			fp->f_st[0].fr_cfr);
771 	PRINTF("fragment state(out):\tkept %lu\tlost %lu\tnot fragmented %lu\n",
772 			fp->f_st[1].fr_nfr, fp->f_st[1].fr_bnfr,
773 			fp->f_st[0].fr_cfr);
774 	PRINTF("packet state(in):\tkept %lu\tlost %lu\n",
775 			fp->f_st[0].fr_ads, fp->f_st[0].fr_bads);
776 	PRINTF("packet state(out):\tkept %lu\tlost %lu\n",
777 			fp->f_st[1].fr_ads, fp->f_st[1].fr_bads);
778 	PRINTF("ICMP replies:\t%lu\tTCP RSTs sent:\t%lu\n",
779 			fp->f_st[0].fr_ret, fp->f_st[1].fr_ret);
780 	PRINTF("Invalid source(in):\t%lu\n", fp->f_st[0].fr_badsrc);
781 	PRINTF("Result cache hits(in):\t%lu\t(out):\t%lu\n",
782 			fp->f_st[0].fr_chit, fp->f_st[1].fr_chit);
783 	PRINTF("IN Pullups succeeded:\t%lu\tfailed:\t%lu\n",
784 			fp->f_st[0].fr_pull[0], fp->f_st[0].fr_pull[1]);
785 	PRINTF("OUT Pullups succeeded:\t%lu\tfailed:\t%lu\n",
786 			fp->f_st[1].fr_pull[0], fp->f_st[1].fr_pull[1]);
787 	PRINTF("Fastroute successes:\t%lu\tfailures:\t%lu\n",
788 			fp->f_froute[0], fp->f_froute[1]);
789 	PRINTF("TCP cksum fails(in):\t%lu\t(out):\t%lu\n",
790 			fp->f_st[0].fr_tcpbad, fp->f_st[1].fr_tcpbad);
791 	PRINTF("IPF Ticks:\t%lu\n", fp->f_ticks);
792 
793 	PRINTF("Packet log flags set: (%#x)\n", frf);
794 	if (frf & FF_LOGPASS)
795 		PRINTF("\tpackets passed through filter\n");
796 	if (frf & FF_LOGBLOCK)
797 		PRINTF("\tpackets blocked by filter\n");
798 	if (frf & FF_LOGNOMATCH)
799 		PRINTF("\tpackets not matched by filter\n");
800 	if (!frf)
801 		PRINTF("\tnone\n");
802 }
803 
804 
805 /*
806  * Print out a list of rules from the kernel, starting at the one passed.
807  */
printlivelist(out,set,fp,group,comment)808 static void printlivelist(out, set, fp, group, comment)
809 int out, set;
810 frentry_t *fp;
811 char *group, *comment;
812 {
813 	frgroup_t *grtop, *grtail, *g;
814 	struct	frentry	fb, *fg;
815 	int n;
816 	ipfruleiter_t rule;
817 	ipfobj_t obj;
818 	u_long array[1000];
819 
820 	fb.fr_next = fp;
821 	n = 0;
822 
823 	grtop = NULL;
824 	grtail = NULL;
825 	rule.iri_ver = use_inet6? AF_INET6 : AF_INET;
826 	rule.iri_inout = out;
827 	rule.iri_active = set;
828 	rule.iri_nrules = 1;
829 	rule.iri_rule = &fb;
830 	if (group != NULL)
831 		strncpy(rule.iri_group, group, FR_GROUPLEN);
832 	else
833 		rule.iri_group[0] = '\0';
834 
835 	bzero((char *)&obj, sizeof(obj));
836 	obj.ipfo_rev = IPFILTER_VERSION;
837 	obj.ipfo_type = IPFOBJ_IPFITER;
838 	obj.ipfo_size = sizeof(rule);
839 	obj.ipfo_ptr = &rule;
840 
841 	do {
842 		memset(array, 0xff, sizeof(array));
843 		fp = (frentry_t *)array;
844 		rule.iri_rule = fp;
845 		if (ioctl(ipf_fd, SIOCIPFITER, &obj) == -1) {
846 			perror("ioctl(SIOCIPFITER)");
847 			return;
848 		}
849 		if (fp->fr_data != NULL)
850 			fp->fr_data = (char *)fp + sizeof(*fp);
851 
852 		n++;
853 
854 		if (opts & (OPT_HITS|OPT_VERBOSE))
855 #ifdef	USE_QUAD_T
856 			PRINTF("%qu ", (unsigned long long) fp->fr_hits);
857 #else
858 			PRINTF("%lu ", fp->fr_hits);
859 #endif
860 		if (opts & (OPT_ACCNT|OPT_VERBOSE))
861 #ifdef	USE_QUAD_T
862 			PRINTF("%qu ", (unsigned long long) fp->fr_bytes);
863 #else
864 			PRINTF("%lu ", fp->fr_bytes);
865 #endif
866 		if (opts & OPT_SHOWLINENO)
867 			PRINTF("@%d ", n);
868 
869 		printfr(fp, ioctl);
870 		if (opts & OPT_DEBUG) {
871 			binprint(fp, sizeof(*fp));
872 			if (fp->fr_data != NULL && fp->fr_dsize > 0)
873 				binprint(fp->fr_data, fp->fr_dsize);
874 		}
875 
876 		if (fp->fr_grhead[0] != '\0') {
877 			g = calloc(1, sizeof(*g));
878 
879 			if (g != NULL) {
880 				strncpy(g->fg_name, fp->fr_grhead,
881 					FR_GROUPLEN);
882 				if (grtop == NULL) {
883 					grtop = g;
884 					grtail = g;
885 				} else {
886 					grtail->fg_next = g;
887 					grtail = g;
888 				}
889 			}
890 		}
891 	} while (fp->fr_next != NULL);
892 
893 	while ((g = grtop) != NULL) {
894 		printlivelist(out, set, NULL, g->fg_name, comment);
895 		grtop = g->fg_next;
896 		free(g);
897 	}
898 }
899 
900 
printdeadlist(out,set,fp,group,comment)901 static void printdeadlist(out, set, fp, group, comment)
902 int out, set;
903 frentry_t *fp;
904 char *group, *comment;
905 {
906 	frgroup_t *grtop, *grtail, *g;
907 	struct	frentry	fb, *fg;
908 	char	*data;
909 	u_32_t	type;
910 	int	n;
911 
912 	fb.fr_next = fp;
913 	n = 0;
914 	grtop = NULL;
915 	grtail = NULL;
916 
917 	do {
918 		fp = fb.fr_next;
919 		if (kmemcpy((char *)&fb, (u_long)fb.fr_next,
920 			    sizeof(fb)) == -1) {
921 			perror("kmemcpy");
922 			return;
923 		}
924 
925 		data = NULL;
926 		type = fb.fr_type & ~FR_T_BUILTIN;
927 		if (type == FR_T_IPF || type == FR_T_BPFOPC) {
928 			if (fb.fr_dsize) {
929 				data = malloc(fb.fr_dsize);
930 
931 				if (kmemcpy(data, (u_long)fb.fr_data,
932 					    fb.fr_dsize) == -1) {
933 					perror("kmemcpy");
934 					return;
935 				}
936 				fb.fr_data = data;
937 			}
938 		}
939 
940 		n++;
941 
942 		if (opts & (OPT_HITS|OPT_VERBOSE))
943 #ifdef	USE_QUAD_T
944 			PRINTF("%qu ", (unsigned long long) fb.fr_hits);
945 #else
946 			PRINTF("%lu ", fb.fr_hits);
947 #endif
948 		if (opts & (OPT_ACCNT|OPT_VERBOSE))
949 #ifdef	USE_QUAD_T
950 			PRINTF("%qu ", (unsigned long long) fb.fr_bytes);
951 #else
952 			PRINTF("%lu ", fb.fr_bytes);
953 #endif
954 		if (opts & OPT_SHOWLINENO)
955 			PRINTF("@%d ", n);
956 
957 		printfr(fp, ioctl);
958 		if (opts & OPT_DEBUG) {
959 			binprint(fp, sizeof(*fp));
960 			if (fb.fr_data != NULL && fb.fr_dsize > 0)
961 				binprint(fb.fr_data, fb.fr_dsize);
962 		}
963 		if (data != NULL)
964 			free(data);
965 		if (fb.fr_grhead[0] != '\0') {
966 			g = calloc(1, sizeof(*g));
967 
968 			if (g != NULL) {
969 				strncpy(g->fg_name, fb.fr_grhead,
970 					FR_GROUPLEN);
971 				if (grtop == NULL) {
972 					grtop = g;
973 					grtail = g;
974 				} else {
975 					grtail->fg_next = g;
976 					grtail = g;
977 				}
978 			}
979 		}
980 		if (type == FR_T_CALLFUNC) {
981 			printdeadlist(out, set, fb.fr_data, group,
982 				      "# callfunc: ");
983 		}
984 	} while (fb.fr_next != NULL);
985 
986 	while ((g = grtop) != NULL) {
987 		printdeadlist(out, set, NULL, g->fg_name, comment);
988 		grtop = g->fg_next;
989 		free(g);
990 	}
991 }
992 
993 
994 /*
995  * print out all of the asked for rule sets, using the stats struct as
996  * the base from which to get the pointers.
997  */
showlist(fiop)998 static	void	showlist(fiop)
999 struct	friostat	*fiop;
1000 {
1001 	struct	frentry	*fp = NULL;
1002 	int	i, set;
1003 
1004 	set = fiop->f_active;
1005 	if (opts & OPT_INACTIVE)
1006 		set = 1 - set;
1007 	if (opts & OPT_ACCNT) {
1008 #ifdef USE_INET6
1009 		if ((use_inet6) && (opts & OPT_OUTQUE)) {
1010 			i = F_ACOUT;
1011 			fp = (struct frentry *)fiop->f_acctout6[set];
1012 		} else if ((use_inet6) && (opts & OPT_INQUE)) {
1013 			i = F_ACIN;
1014 			fp = (struct frentry *)fiop->f_acctin6[set];
1015 		} else
1016 #endif
1017 		if (opts & OPT_OUTQUE) {
1018 			i = F_ACOUT;
1019 			fp = (struct frentry *)fiop->f_acctout[set];
1020 		} else if (opts & OPT_INQUE) {
1021 			i = F_ACIN;
1022 			fp = (struct frentry *)fiop->f_acctin[set];
1023 		} else {
1024 			FPRINTF(stderr, "No -i or -o given with -a\n");
1025 			return;
1026 		}
1027 	} else {
1028 #ifdef	USE_INET6
1029 		if ((use_inet6) && (opts & OPT_OUTQUE)) {
1030 			i = F_OUT;
1031 			fp = (struct frentry *)fiop->f_fout6[set];
1032 		} else if ((use_inet6) && (opts & OPT_INQUE)) {
1033 			i = F_IN;
1034 			fp = (struct frentry *)fiop->f_fin6[set];
1035 		} else
1036 #endif
1037 		if (opts & OPT_OUTQUE) {
1038 			i = F_OUT;
1039 			fp = (struct frentry *)fiop->f_fout[set];
1040 		} else if (opts & OPT_INQUE) {
1041 			i = F_IN;
1042 			fp = (struct frentry *)fiop->f_fin[set];
1043 		} else
1044 			return;
1045 	}
1046 	if (opts & OPT_VERBOSE)
1047 		FPRINTF(stderr, "showlist:opts %#x i %d\n", opts, i);
1048 
1049 	if (opts & OPT_VERBOSE)
1050 		PRINTF("fp %p set %d\n", fp, set);
1051 	if (!fp) {
1052 		FPRINTF(stderr, "empty list for %s%s\n",
1053 			(opts & OPT_INACTIVE) ? "inactive " : "", filters[i]);
1054 		return;
1055 	}
1056 	if (live_kernel == 1)
1057 		printlivelist(i, set, fp, NULL, NULL);
1058 	else
1059 		printdeadlist(i, set, fp, NULL, NULL);
1060 }
1061 
1062 
1063 /*
1064  * Display ipfilter stateful filtering information
1065  */
showipstates(ipsp)1066 static void showipstates(ipsp)
1067 ips_stat_t *ipsp;
1068 {
1069 	u_long minlen, maxlen, totallen, *buckets;
1070 	int i, sz;
1071 
1072 	sz = sizeof(*buckets) * ipsp->iss_statesize;
1073 	buckets = (u_long *)malloc(sz);
1074 	if (buckets == NULL) {
1075 		perror("malloc");
1076 		exit(1);
1077 	}
1078 	if (kmemcpy((char *)buckets, (u_long)ipsp->iss_bucketlen, sz)) {
1079 		free(buckets);
1080 		return;
1081 	}
1082 
1083 	/*
1084 	 * If a list of states hasn't been asked for, only print out stats
1085 	 */
1086 	if (!(opts & OPT_SHOWLIST)) {
1087 		PRINTF("IP states added:\n\t%lu TCP\n\t%lu UDP\n\t%lu ICMP\n",
1088 			ipsp->iss_tcp, ipsp->iss_udp, ipsp->iss_icmp);
1089 		PRINTF("\t%lu hits\n\t%lu misses\n",
1090 			ipsp->iss_hits, ipsp->iss_miss);
1091 		PRINTF("\t%lu maximum\n\t%lu no memory\n", ipsp->iss_max,
1092 			ipsp->iss_nomem);
1093 		PRINTF("\t%lu active\n\t%lu expired\n",
1094 			ipsp->iss_active, ipsp->iss_expire);
1095 		PRINTF("\t%lu closed\n\t%u orphans\n",
1096 			ipsp->iss_fin, ipsp->iss_orphans);
1097 
1098 		PRINTF("State logging %sabled\n",
1099 			state_logging ? "en" : "dis");
1100 
1101 		PRINTF("\nState table bucket statistics:\n");
1102 		PRINTF("\t%lu in use\n\t%lu max bucket\n", ipsp->iss_inuse,
1103 			ipsp->iss_bucketfull);
1104 
1105 		minlen = ipsp->iss_max;
1106 		totallen = 0;
1107 		maxlen = 0;
1108 
1109 		for (i = 0; i < ipsp->iss_statesize; i++) {
1110 			if (buckets[i] > maxlen)
1111 				maxlen = buckets[i];
1112 			if (buckets[i] < minlen)
1113 					minlen = buckets[i];
1114 			totallen += buckets[i];
1115 		}
1116 
1117 		PRINTF("\t%2.2f%% bucket usage\n\t%lu minimal length\n",
1118 			((float)ipsp->iss_inuse / ipsp->iss_statesize) * 100.0,
1119 			minlen);
1120 		PRINTF("\t%lu maximal length\n\t%.3f average length\n",
1121 			maxlen,
1122 			ipsp->iss_inuse ? (float) totallen/ ipsp->iss_inuse :
1123 					  0.0);
1124 
1125 #define ENTRIES_PER_LINE 5
1126 
1127 		if (opts & OPT_VERBOSE) {
1128 			PRINTF("\nCurrent bucket sizes :\n");
1129 			for (i = 0; i < ipsp->iss_statesize; i++) {
1130 				if ((i % ENTRIES_PER_LINE) == 0)
1131 					PRINTF("\t");
1132 				PRINTF("%4d -> %4lu", i, buckets[i]);
1133 				if ((i % ENTRIES_PER_LINE) ==
1134 				    (ENTRIES_PER_LINE - 1))
1135 					PRINTF("\n");
1136 				else
1137 					PRINTF("  ");
1138 			}
1139 			PRINTF("\n");
1140 		}
1141 		PRINTF("\n");
1142 
1143 		free(buckets);
1144 		return;
1145 	}
1146 
1147 	/*
1148 	 * Print out all the state information currently held in the kernel.
1149 	 */
1150 	while (ipsp->iss_list != NULL) {
1151 		ipsp->iss_list = printstate(ipsp->iss_list, opts,
1152 					    ipsp->iss_ticks);
1153 	}
1154 
1155 	free(buckets);
1156 }
1157 
1158 
1159 #ifdef STATETOP
1160 static int handle_resize = 0, handle_break = 0;
1161 
topipstates(saddr,daddr,sport,dport,protocol,ver,refreshtime,topclosed)1162 static void topipstates(saddr, daddr, sport, dport, protocol, ver,
1163 		        refreshtime, topclosed)
1164 i6addr_t saddr;
1165 i6addr_t daddr;
1166 int sport;
1167 int dport;
1168 int protocol;
1169 int ver;
1170 int refreshtime;
1171 int topclosed;
1172 {
1173 	char str1[STSTRSIZE], str2[STSTRSIZE], str3[STSTRSIZE], str4[STSTRSIZE];
1174 	int maxtsentries = 0, reverse = 0, sorting = STSORT_DEFAULT;
1175 	int i, j, winy, tsentry, maxx, maxy, redraw = 0, ret = 0;
1176 	int len, srclen, dstlen, forward = 1, c = 0;
1177 	ips_stat_t ipsst, *ipsstp = &ipsst;
1178 	statetop_t *tstable = NULL, *tp;
1179 	const char *errstr = "";
1180 	ipstate_t ips;
1181 	ipfobj_t ipfo;
1182 	struct timeval selecttimeout;
1183 	char hostnm[HOSTNMLEN];
1184 	struct protoent *proto;
1185 	fd_set readfd;
1186 	time_t t;
1187 
1188 	/* install signal handlers */
1189 	signal(SIGINT, sig_break);
1190 	signal(SIGQUIT, sig_break);
1191 	signal(SIGTERM, sig_break);
1192 	signal(SIGWINCH, sig_resize);
1193 
1194 	/* init ncurses stuff */
1195   	initscr();
1196   	cbreak();
1197   	noecho();
1198 	curs_set(0);
1199 	timeout(0);
1200 	getmaxyx(stdscr, maxy, maxx);
1201 
1202 	/* init hostname */
1203 	gethostname(hostnm, sizeof(hostnm) - 1);
1204 	hostnm[sizeof(hostnm) - 1] = '\0';
1205 
1206 	/* init ipfobj_t stuff */
1207 	bzero((caddr_t)&ipfo, sizeof(ipfo));
1208 	ipfo.ipfo_rev = IPFILTER_VERSION;
1209 	ipfo.ipfo_size = sizeof(*ipsstp);
1210 	ipfo.ipfo_ptr = (void *)ipsstp;
1211 	ipfo.ipfo_type = IPFOBJ_STATESTAT;
1212 
1213 	/* repeat until user aborts */
1214 	while ( 1 ) {
1215 
1216 		/* get state table */
1217 		bzero((char *)&ipsst, sizeof(ipsst));
1218 		if ((ioctl(state_fd, SIOCGETFS, &ipfo) == -1)) {
1219 			errstr = "ioctl(SIOCGETFS)";
1220 			ret = -1;
1221 			goto out;
1222 		}
1223 
1224 		/* clear the history */
1225 		tsentry = -1;
1226 
1227 		/* reset max str len */
1228 		srclen = dstlen = 0;
1229 
1230 		/* read the state table and store in tstable */
1231 		for (; ipsstp->iss_list; ipsstp->iss_list = ips.is_next) {
1232 
1233 			if (kmemcpy((char *)&ips, (u_long)ipsstp->iss_list,
1234 				    sizeof(ips)))
1235 				break;
1236 
1237 			if (ips.is_v != ver)
1238 				continue;
1239 
1240 			/* check v4 src/dest addresses */
1241 			if (ips.is_v == 4) {
1242 				if ((saddr.in4.s_addr != INADDR_ANY &&
1243 				     saddr.in4.s_addr != ips.is_saddr) ||
1244 				    (daddr.in4.s_addr != INADDR_ANY &&
1245 				     daddr.in4.s_addr != ips.is_daddr))
1246 					continue;
1247 			}
1248 #ifdef	USE_INET6
1249 			/* check v6 src/dest addresses */
1250 			if (ips.is_v == 6) {
1251 				if ((IP6_NEQ(&saddr, &in6addr_any) &&
1252 				     IP6_NEQ(&saddr, &ips.is_src)) ||
1253 				    (IP6_NEQ(&daddr, &in6addr_any) &&
1254 				     IP6_NEQ(&daddr, &ips.is_dst)))
1255 					continue;
1256 			}
1257 #endif
1258 			/* check protocol */
1259 			if (protocol > 0 && protocol != ips.is_p)
1260 				continue;
1261 
1262 			/* check ports if protocol is TCP or UDP */
1263 			if (((ips.is_p == IPPROTO_TCP) ||
1264 			     (ips.is_p == IPPROTO_UDP)) &&
1265 			   (((sport > 0) && (htons(sport) != ips.is_sport)) ||
1266 			    ((dport > 0) && (htons(dport) != ips.is_dport))))
1267 				continue;
1268 
1269 			/* show closed TCP sessions ? */
1270 			if ((topclosed == 0) && (ips.is_p == IPPROTO_TCP) &&
1271 			    (ips.is_state[0] >= IPF_TCPS_LAST_ACK) &&
1272 			    (ips.is_state[1] >= IPF_TCPS_LAST_ACK))
1273 				continue;
1274 
1275 			/*
1276 			 * if necessary make room for this state
1277 			 * entry
1278 			 */
1279 			tsentry++;
1280 			if (!maxtsentries || tsentry == maxtsentries) {
1281 				maxtsentries += STGROWSIZE;
1282 				tstable = realloc(tstable,
1283 				    maxtsentries * sizeof(statetop_t));
1284 				if (tstable == NULL) {
1285 					perror("realloc");
1286 					exit(-1);
1287 				}
1288 			}
1289 
1290 			/* get max src/dest address string length */
1291 			len = strlen(getip(ips.is_v, &ips.is_src));
1292 			if (srclen < len)
1293 				srclen = len;
1294 			len = strlen(getip(ips.is_v, &ips.is_dst));
1295 			if (dstlen < len)
1296 				dstlen = len;
1297 
1298 			/* fill structure */
1299 			tp = tstable + tsentry;
1300 			tp->st_src = ips.is_src;
1301 			tp->st_dst = ips.is_dst;
1302 			tp->st_p = ips.is_p;
1303 			tp->st_v = ips.is_v;
1304 			tp->st_state[0] = ips.is_state[0];
1305 			tp->st_state[1] = ips.is_state[1];
1306 			if (forward) {
1307 				tp->st_pkts = ips.is_pkts[0]+ips.is_pkts[1];
1308 				tp->st_bytes = ips.is_bytes[0]+ips.is_bytes[1];
1309 			} else {
1310 				tp->st_pkts = ips.is_pkts[2]+ips.is_pkts[3];
1311 				tp->st_bytes = ips.is_bytes[2]+ips.is_bytes[3];
1312 			}
1313 			tp->st_age = ips.is_die - ipsstp->iss_ticks;
1314 			if ((ips.is_p == IPPROTO_TCP) ||
1315 			    (ips.is_p == IPPROTO_UDP)) {
1316 				tp->st_sport = ips.is_sport;
1317 				tp->st_dport = ips.is_dport;
1318 			}
1319 		}
1320 
1321 
1322 		/* sort the array */
1323 		if (tsentry != -1) {
1324 			switch (sorting)
1325 			{
1326 			case STSORT_PR:
1327 				qsort(tstable, tsentry + 1,
1328 				      sizeof(statetop_t), sort_p);
1329 				break;
1330 			case STSORT_PKTS:
1331 				qsort(tstable, tsentry + 1,
1332 				      sizeof(statetop_t), sort_pkts);
1333 				break;
1334 			case STSORT_BYTES:
1335 				qsort(tstable, tsentry + 1,
1336 				      sizeof(statetop_t), sort_bytes);
1337 				break;
1338 			case STSORT_TTL:
1339 				qsort(tstable, tsentry + 1,
1340 				      sizeof(statetop_t), sort_ttl);
1341 				break;
1342 			case STSORT_SRCIP:
1343 				qsort(tstable, tsentry + 1,
1344 				      sizeof(statetop_t), sort_srcip);
1345 				break;
1346 			case STSORT_SRCPT:
1347 				qsort(tstable, tsentry +1,
1348 					sizeof(statetop_t), sort_srcpt);
1349 				break;
1350 			case STSORT_DSTIP:
1351 				qsort(tstable, tsentry + 1,
1352 				      sizeof(statetop_t), sort_dstip);
1353 				break;
1354 			case STSORT_DSTPT:
1355 				qsort(tstable, tsentry + 1,
1356 				      sizeof(statetop_t), sort_dstpt);
1357 				break;
1358 			default:
1359 				break;
1360 			}
1361 		}
1362 
1363 		/* handle window resizes */
1364 		if (handle_resize) {
1365 			endwin();
1366 			initscr();
1367 			cbreak();
1368 			noecho();
1369 			curs_set(0);
1370 			timeout(0);
1371 			getmaxyx(stdscr, maxy, maxx);
1372 			redraw = 1;
1373 			handle_resize = 0;
1374                 }
1375 
1376 		/* stop program? */
1377 		if (handle_break)
1378 			break;
1379 
1380 		/* print title */
1381 		erase();
1382 		attron(A_BOLD);
1383 		winy = 0;
1384 		move(winy,0);
1385 		sprintf(str1, "%s - %s - state top", hostnm, IPL_VERSION);
1386 		for (j = 0 ; j < (maxx - 8 - strlen(str1)) / 2; j++)
1387 			printw(" ");
1388 		printw("%s", str1);
1389 		attroff(A_BOLD);
1390 
1391 		/* just for fun add a clock */
1392 		move(winy, maxx - 8);
1393 		t = time(NULL);
1394 		strftime(str1, 80, "%T", localtime(&t));
1395 		printw("%s\n", str1);
1396 
1397 		/*
1398 		 * print the display filters, this is placed in the loop,
1399 		 * because someday I might add code for changing these
1400 		 * while the programming is running :-)
1401 		 */
1402 		if (sport >= 0)
1403 			sprintf(str1, "%s,%d", getip(ver, &saddr), sport);
1404 		else
1405 			sprintf(str1, "%s", getip(ver, &saddr));
1406 
1407 		if (dport >= 0)
1408 			sprintf(str2, "%s,%d", getip(ver, &daddr), dport);
1409 		else
1410 			sprintf(str2, "%s", getip(ver, &daddr));
1411 
1412 		if (protocol < 0)
1413 			strcpy(str3, "any");
1414 		else if ((proto = getprotobynumber(protocol)) != NULL)
1415 			sprintf(str3, "%s", proto->p_name);
1416 		else
1417 			sprintf(str3, "%d", protocol);
1418 
1419 		switch (sorting)
1420 		{
1421 		case STSORT_PR:
1422 			sprintf(str4, "proto");
1423 			break;
1424 		case STSORT_PKTS:
1425 			sprintf(str4, "# pkts");
1426 			break;
1427 		case STSORT_BYTES:
1428 			sprintf(str4, "# bytes");
1429 			break;
1430 		case STSORT_TTL:
1431 			sprintf(str4, "ttl");
1432 			break;
1433 		case STSORT_SRCIP:
1434 			sprintf(str4, "src ip");
1435 			break;
1436 		case STSORT_SRCPT:
1437 			sprintf(str4, "src port");
1438 			break;
1439 		case STSORT_DSTIP:
1440 			sprintf(str4, "dest ip");
1441 			break;
1442 		case STSORT_DSTPT:
1443 			sprintf(str4, "dest port");
1444 			break;
1445 		default:
1446 			sprintf(str4, "unknown");
1447 			break;
1448 		}
1449 
1450 		if (reverse)
1451 			strcat(str4, " (reverse)");
1452 
1453 		winy += 2;
1454 		move(winy,0);
1455 		printw("Src: %s, Dest: %s, Proto: %s, Sorted by: %s\n\n",
1456 		       str1, str2, str3, str4);
1457 
1458 		/*
1459 		 * For an IPv4 IP address we need at most 15 characters,
1460 		 * 4 tuples of 3 digits, separated by 3 dots. Enforce this
1461 		 * length, so the colums do not change positions based
1462 		 * on the size of the IP address. This length makes the
1463 		 * output fit in a 80 column terminal.
1464 		 * We are lacking a good solution for IPv6 addresses (that
1465 		 * can be longer that 15 characters), so we do not enforce
1466 		 * a maximum on the IP field size.
1467 		 */
1468 		if (srclen < 15)
1469 			srclen = 15;
1470 		if (dstlen < 15)
1471 			dstlen = 15;
1472 
1473 		/* print column description */
1474 		winy += 2;
1475 		move(winy,0);
1476 		attron(A_BOLD);
1477 		printw("%-*s %-*s %3s %4s %7s %9s %9s\n",
1478 		       srclen + 6, "Source IP", dstlen + 6, "Destination IP",
1479 		       "ST", "PR", "#pkts", "#bytes", "ttl");
1480 		attroff(A_BOLD);
1481 
1482 		/* print all the entries */
1483 		tp = tstable;
1484 		if (reverse)
1485 			tp += tsentry;
1486 
1487 		if (tsentry > maxy - 6)
1488 			tsentry = maxy - 6;
1489 		for (i = 0; i <= tsentry; i++) {
1490 			/* print src/dest and port */
1491 			if ((tp->st_p == IPPROTO_TCP) ||
1492 			    (tp->st_p == IPPROTO_UDP)) {
1493 				sprintf(str1, "%s,%hu",
1494 					getip(tp->st_v, &tp->st_src),
1495 					ntohs(tp->st_sport));
1496 				sprintf(str2, "%s,%hu",
1497 					getip(tp->st_v, &tp->st_dst),
1498 					ntohs(tp->st_dport));
1499 			} else {
1500 				sprintf(str1, "%s", getip(tp->st_v,
1501 				    &tp->st_src));
1502 				sprintf(str2, "%s", getip(tp->st_v,
1503 				    &tp->st_dst));
1504 			}
1505 			winy++;
1506 			move(winy, 0);
1507 			printw("%-*s %-*s", srclen + 6, str1, dstlen + 6, str2);
1508 
1509 			/* print state */
1510 			sprintf(str1, "%X/%X", tp->st_state[0],
1511 				tp->st_state[1]);
1512 			printw(" %3s", str1);
1513 
1514 			/* print protocol */
1515 			proto = getprotobynumber(tp->st_p);
1516 			if (proto) {
1517 				strncpy(str1, proto->p_name, 4);
1518 				str1[4] = '\0';
1519 			} else {
1520 				sprintf(str1, "%d", tp->st_p);
1521 			}
1522 			/* just print icmp for IPv6-ICMP */
1523 			if (tp->st_p == IPPROTO_ICMPV6)
1524 				strcpy(str1, "icmp");
1525 			printw(" %4s", str1);
1526 
1527 			/* print #pkt/#bytes */
1528 #ifdef	USE_QUAD_T
1529 			printw(" %7qu %9qu", (unsigned long long) tp->st_pkts,
1530 				(unsigned long long) tp->st_bytes);
1531 #else
1532 			printw(" %7lu %9lu", tp->st_pkts, tp->st_bytes);
1533 #endif
1534 			printw(" %9s", ttl_to_string(tp->st_age));
1535 
1536 			if (reverse)
1537 				tp--;
1538 			else
1539 				tp++;
1540 		}
1541 
1542 		/* screen data structure is filled, now update the screen */
1543 		if (redraw)
1544 			clearok(stdscr,1);
1545 
1546 		if (refresh() == ERR)
1547 			break;
1548 		if (redraw) {
1549 			clearok(stdscr,0);
1550 			redraw = 0;
1551 		}
1552 
1553 		/* wait for key press or a 1 second time out period */
1554 		selecttimeout.tv_sec = refreshtime;
1555 		selecttimeout.tv_usec = 0;
1556 		FD_ZERO(&readfd);
1557 		FD_SET(0, &readfd);
1558 		select(1, &readfd, NULL, NULL, &selecttimeout);
1559 
1560 		/* if key pressed, read all waiting keys */
1561 		if (FD_ISSET(0, &readfd)) {
1562 			c = wgetch(stdscr);
1563 			if (c == ERR)
1564 				continue;
1565 
1566 			if (ISALPHA(c) && ISUPPER(c))
1567 				c = TOLOWER(c);
1568 			if (c == 'l') {
1569 				redraw = 1;
1570 			} else if (c == 'q') {
1571 				break;
1572 			} else if (c == 'r') {
1573 				reverse = !reverse;
1574 			} else if (c == 'b') {
1575 				forward = 0;
1576 			} else if (c == 'f') {
1577 				forward = 1;
1578 			} else if (c == 's') {
1579 				if (++sorting > STSORT_MAX)
1580 					sorting = 0;
1581 			}
1582 		}
1583 	} /* while */
1584 
1585 out:
1586 	printw("\n");
1587 	refresh();
1588 	endwin();
1589 	free(tstable);
1590 	if (ret != 0)
1591 		perror(errstr);
1592 }
1593 #endif
1594 
1595 
1596 /*
1597  * Show fragment cache information that's held in the kernel.
1598  */
showfrstates(ifsp,ticks)1599 static void showfrstates(ifsp, ticks)
1600 ipfrstat_t *ifsp;
1601 u_long ticks;
1602 {
1603 	struct ipfr *ipfrtab[IPFT_SIZE], ifr;
1604 	int i;
1605 
1606 	/*
1607 	 * print out the numeric statistics
1608 	 */
1609 	PRINTF("IP fragment states:\n\t%lu new\n\t%lu expired\n\t%lu hits\n",
1610 		ifsp->ifs_new, ifsp->ifs_expire, ifsp->ifs_hits);
1611 	PRINTF("\t%lu retrans\n\t%lu too short\n",
1612 		ifsp->ifs_retrans0, ifsp->ifs_short);
1613 	PRINTF("\t%lu no memory\n\t%lu already exist\n",
1614 		ifsp->ifs_nomem, ifsp->ifs_exists);
1615 	PRINTF("\t%lu inuse\n", ifsp->ifs_inuse);
1616 	if (kmemcpy((char *)ipfrtab, (u_long)ifsp->ifs_table, sizeof(ipfrtab)))
1617 		return;
1618 
1619 	/*
1620 	 * Print out the contents (if any) of the fragment cache table.
1621 	 */
1622 	PRINTF("\n");
1623 	for (i = 0; i < IPFT_SIZE; i++)
1624 		while (ipfrtab[i] != NULL) {
1625 			if (kmemcpy((char *)&ifr, (u_long)ipfrtab[i],
1626 				    sizeof(ifr)) == -1)
1627 				break;
1628 			ifr.ipfr_ttl -= ticks;
1629 			printfraginfo("", &ifr);
1630 			ipfrtab[i] = ifr.ipfr_next;
1631 		}
1632 	/*
1633 	 * Print out the contents (if any) of the NAT fragment cache table.
1634 	 */
1635 	if (kmemcpy((char *)ipfrtab, (u_long)ifsp->ifs_nattab,sizeof(ipfrtab)))
1636 		return;
1637 	for (i = 0; i < IPFT_SIZE; i++)
1638 		while (ipfrtab[i] != NULL) {
1639 			if (kmemcpy((char *)&ifr, (u_long)ipfrtab[i],
1640 				    sizeof(ifr)) == -1)
1641 				break;
1642 			ifr.ipfr_ttl -= ticks;
1643 			printfraginfo("NAT: ", &ifr);
1644 			ipfrtab[i] = ifr.ipfr_next;
1645 		}
1646 }
1647 
1648 
1649 /*
1650  * Show stats on how auth within IPFilter has been used
1651  */
showauthstates(asp)1652 static void showauthstates(asp)
1653 fr_authstat_t *asp;
1654 {
1655 	frauthent_t *frap, fra;
1656 
1657 #ifdef	USE_QUAD_T
1658 	printf("Authorisation hits: %qu\tmisses %qu\n",
1659 		(unsigned long long) asp->fas_hits,
1660 		(unsigned long long) asp->fas_miss);
1661 #else
1662 	printf("Authorisation hits: %ld\tmisses %ld\n", asp->fas_hits,
1663 		asp->fas_miss);
1664 #endif
1665 	printf("nospace %ld\nadded %ld\nsendfail %ld\nsendok %ld\n",
1666 		asp->fas_nospace, asp->fas_added, asp->fas_sendfail,
1667 		asp->fas_sendok);
1668 	printf("queok %ld\nquefail %ld\nexpire %ld\n",
1669 		asp->fas_queok, asp->fas_quefail, asp->fas_expire);
1670 
1671 	frap = asp->fas_faelist;
1672 	while (frap) {
1673 		if (kmemcpy((char *)&fra, (u_long)frap, sizeof(fra)) == -1)
1674 			break;
1675 
1676 		printf("age %ld\t", fra.fae_age);
1677 		printfr(&fra.fae_fr, ioctl);
1678 		frap = fra.fae_next;
1679 	}
1680 }
1681 
1682 
1683 /*
1684  * Display groups used for each of filter rules, accounting rules and
1685  * authentication, separately.
1686  */
showgroups(fiop)1687 static void showgroups(fiop)
1688 struct friostat	*fiop;
1689 {
1690 	static char *gnames[3] = { "Filter", "Accounting", "Authentication" };
1691 	static int gnums[3] = { IPL_LOGIPF, IPL_LOGCOUNT, IPL_LOGAUTH };
1692 	frgroup_t *fp, grp;
1693 	int on, off, i;
1694 
1695 	on = fiop->f_active;
1696 	off = 1 - on;
1697 
1698 	for (i = 0; i < 3; i++) {
1699 		printf("%s groups (active):\n", gnames[i]);
1700 		for (fp = fiop->f_groups[gnums[i]][on]; fp != NULL;
1701 		     fp = grp.fg_next)
1702 			if (kmemcpy((char *)&grp, (u_long)fp, sizeof(grp)))
1703 				break;
1704 			else
1705 				printf("%s\n", grp.fg_name);
1706 		printf("%s groups (inactive):\n", gnames[i]);
1707 		for (fp = fiop->f_groups[gnums[i]][off]; fp != NULL;
1708 		     fp = grp.fg_next)
1709 			if (kmemcpy((char *)&grp, (u_long)fp, sizeof(grp)))
1710 				break;
1711 			else
1712 				printf("%s\n", grp.fg_name);
1713 	}
1714 }
1715 
parse_ipportstr(argument,ip,port)1716 static void parse_ipportstr(argument, ip, port)
1717 const char *argument;
1718 i6addr_t *ip;
1719 int *port;
1720 {
1721 	char *s, *comma;
1722 	int ok = 0;
1723 
1724 	/* make working copy of argument, Theoretically you must be able
1725 	 * to write to optarg, but that seems very ugly to me....
1726 	 */
1727 	s = strdup(argument);
1728 	if (s == NULL)
1729 		return;
1730 
1731 	/* get port */
1732 	if ((comma = strchr(s, ',')) != NULL) {
1733 		if (!strcasecmp(comma + 1, "any")) {
1734 			*port = -1;
1735 		} else if (!sscanf(comma + 1, "%d", port) ||
1736 			   (*port < 0) || (*port > 65535)) {
1737 			fprintf(stderr, "Invalid port specfication in %s\n",
1738 				argument);
1739 			free(s);
1740 			exit(-2);
1741 		}
1742 		*comma = '\0';
1743 	}
1744 
1745 
1746 	/* get ip address */
1747 	if (!strcasecmp(s, "any")) {
1748 		ip->in4.s_addr = INADDR_ANY;
1749 #ifdef	USE_INET6
1750 		ip->in6 = in6addr_any;
1751 	} else if (use_inet6 && inet_pton(AF_INET6, s, &ip->in6)) {
1752 		ok = 1;
1753 #endif
1754 	} else if (inet_aton(s, &ip->in4))
1755 		ok = 1;
1756 
1757 	if (ok == 0) {
1758 		fprintf(stderr, "Invalid IP address: %s\n", s);
1759 		free(s);
1760 		exit(-2);
1761 	}
1762 
1763 	/* free allocated memory */
1764 	free(s);
1765 }
1766 
1767 
1768 #ifdef STATETOP
sig_resize(s)1769 static void sig_resize(s)
1770 int s;
1771 {
1772 	handle_resize = 1;
1773 }
1774 
sig_break(s)1775 static void sig_break(s)
1776 int s;
1777 {
1778 	handle_break = 1;
1779 }
1780 
getip(v,addr)1781 static char *getip(v, addr)
1782 int v;
1783 i6addr_t *addr;
1784 {
1785 #ifdef  USE_INET6
1786 	static char hostbuf[MAXHOSTNAMELEN+1];
1787 #endif
1788 
1789 	if (v == 4)
1790 		return inet_ntoa(addr->in4);
1791 
1792 #ifdef  USE_INET6
1793 	(void) inet_ntop(AF_INET6, &addr->in6, hostbuf, sizeof(hostbuf) - 1);
1794 	hostbuf[MAXHOSTNAMELEN] = '\0';
1795 	return hostbuf;
1796 #else
1797 	return "IPv6";
1798 #endif
1799 }
1800 
1801 
ttl_to_string(ttl)1802 static char *ttl_to_string(ttl)
1803 long int ttl;
1804 {
1805 	static char ttlbuf[STSTRSIZE];
1806 	int hours, minutes, seconds;
1807 
1808 	/* ttl is in half seconds */
1809 	ttl /= 2;
1810 
1811 	hours = ttl / 3600;
1812 	ttl = ttl % 3600;
1813 	minutes = ttl / 60;
1814 	seconds = ttl % 60;
1815 
1816 	if (hours > 0)
1817 		sprintf(ttlbuf, "%2d:%02d:%02d", hours, minutes, seconds);
1818 	else
1819 		sprintf(ttlbuf, "%2d:%02d", minutes, seconds);
1820 	return ttlbuf;
1821 }
1822 
1823 
sort_pkts(a,b)1824 static int sort_pkts(a, b)
1825 const void *a;
1826 const void *b;
1827 {
1828 
1829 	register const statetop_t *ap = a;
1830 	register const statetop_t *bp = b;
1831 
1832 	if (ap->st_pkts == bp->st_pkts)
1833 		return 0;
1834 	else if (ap->st_pkts < bp->st_pkts)
1835 		return 1;
1836 	return -1;
1837 }
1838 
1839 
sort_bytes(a,b)1840 static int sort_bytes(a, b)
1841 const void *a;
1842 const void *b;
1843 {
1844 	register const statetop_t *ap = a;
1845 	register const statetop_t *bp = b;
1846 
1847 	if (ap->st_bytes == bp->st_bytes)
1848 		return 0;
1849 	else if (ap->st_bytes < bp->st_bytes)
1850 		return 1;
1851 	return -1;
1852 }
1853 
1854 
sort_p(a,b)1855 static int sort_p(a, b)
1856 const void *a;
1857 const void *b;
1858 {
1859 	register const statetop_t *ap = a;
1860 	register const statetop_t *bp = b;
1861 
1862 	if (ap->st_p == bp->st_p)
1863 		return 0;
1864 	else if (ap->st_p < bp->st_p)
1865 		return 1;
1866 	return -1;
1867 }
1868 
1869 
sort_ttl(a,b)1870 static int sort_ttl(a, b)
1871 const void *a;
1872 const void *b;
1873 {
1874 	register const statetop_t *ap = a;
1875 	register const statetop_t *bp = b;
1876 
1877 	if (ap->st_age == bp->st_age)
1878 		return 0;
1879 	else if (ap->st_age < bp->st_age)
1880 		return 1;
1881 	return -1;
1882 }
1883 
sort_srcip(a,b)1884 static int sort_srcip(a, b)
1885 const void *a;
1886 const void *b;
1887 {
1888 	register const statetop_t *ap = a;
1889 	register const statetop_t *bp = b;
1890 
1891 #ifdef USE_INET6
1892 	if (use_inet6) {
1893 		if (IP6_EQ(&ap->st_src, &bp->st_src))
1894 			return 0;
1895 		else if (IP6_GT(&ap->st_src, &bp->st_src))
1896 			return 1;
1897 	} else
1898 #endif
1899 	{
1900 		if (ntohl(ap->st_src.in4.s_addr) ==
1901 		    ntohl(bp->st_src.in4.s_addr))
1902 			return 0;
1903 		else if (ntohl(ap->st_src.in4.s_addr) >
1904 		         ntohl(bp->st_src.in4.s_addr))
1905 			return 1;
1906 	}
1907 	return -1;
1908 }
1909 
sort_srcpt(a,b)1910 static int sort_srcpt(a, b)
1911 const void *a;
1912 const void *b;
1913 {
1914 	register const statetop_t *ap = a;
1915 	register const statetop_t *bp = b;
1916 
1917 	if (htons(ap->st_sport) == htons(bp->st_sport))
1918 		return 0;
1919 	else if (htons(ap->st_sport) > htons(bp->st_sport))
1920 		return 1;
1921 	return -1;
1922 }
1923 
sort_dstip(a,b)1924 static int sort_dstip(a, b)
1925 const void *a;
1926 const void *b;
1927 {
1928 	register const statetop_t *ap = a;
1929 	register const statetop_t *bp = b;
1930 
1931 #ifdef USE_INET6
1932 	if (use_inet6) {
1933 		if (IP6_EQ(&ap->st_dst, &bp->st_dst))
1934 			return 0;
1935 		else if (IP6_GT(&ap->st_dst, &bp->st_dst))
1936 			return 1;
1937 	} else
1938 #endif
1939 	{
1940 		if (ntohl(ap->st_dst.in4.s_addr) ==
1941 		    ntohl(bp->st_dst.in4.s_addr))
1942 			return 0;
1943 		else if (ntohl(ap->st_dst.in4.s_addr) >
1944 		         ntohl(bp->st_dst.in4.s_addr))
1945 			return 1;
1946 	}
1947 	return -1;
1948 }
1949 
sort_dstpt(a,b)1950 static int sort_dstpt(a, b)
1951 const void *a;
1952 const void *b;
1953 {
1954 	register const statetop_t *ap = a;
1955 	register const statetop_t *bp = b;
1956 
1957 	if (htons(ap->st_dport) == htons(bp->st_dport))
1958 		return 0;
1959 	else if (htons(ap->st_dport) > htons(bp->st_dport))
1960 		return 1;
1961 	return -1;
1962 }
1963 
1964 #endif
1965