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8322 nl: misleading-indentation
[unleashed/tickless.git] / usr / src / cmd / ipf / tools / ipfstat.c
blobd72f6ba97abb67ab146da87269fd6724cdbc7534
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
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
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 */
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 */
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 */
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 */
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
819 fb.fr_next = fp;
820 n = 0;
821
822 grtop = NULL;
823 grtail = NULL;
824 rule.iri_ver = use_inet6? AF_INET6 : AF_INET;
825 rule.iri_inout = out;
826 rule.iri_active = set;
827 rule.iri_nrules = 1;
828 rule.iri_rule = &fb;
829 if (group != NULL)
830 strncpy(rule.iri_group, group, FR_GROUPLEN);
831 else
832 rule.iri_group[0] = '\0';
833
834 bzero((char *)&obj, sizeof(obj));
835 obj.ipfo_rev = IPFILTER_VERSION;
836 obj.ipfo_type = IPFOBJ_IPFITER;
837 obj.ipfo_size = sizeof(rule);
838 obj.ipfo_ptr = &rule;
839
840 do {
841 u_long array[1000];
842
843 memset(array, 0xff, sizeof(array));
844 fp = (frentry_t *)array;
845 rule.iri_rule = fp;
846 if (ioctl(ipf_fd, SIOCIPFITER, &obj) == -1) {
847 perror("ioctl(SIOCIPFITER)");
848 return;
849 }
850 if (fp->fr_data != NULL)
851 fp->fr_data = (char *)fp + sizeof(*fp);
852
853 n++;
854
855 if (opts & (OPT_HITS|OPT_VERBOSE))
856 #ifdef USE_QUAD_T
857 PRINTF("%qu ", (unsigned long long) fp->fr_hits);
858 #else
859 PRINTF("%lu ", fp->fr_hits);
860 #endif
861 if (opts & (OPT_ACCNT|OPT_VERBOSE))
862 #ifdef USE_QUAD_T
863 PRINTF("%qu ", (unsigned long long) fp->fr_bytes);
864 #else
865 PRINTF("%lu ", fp->fr_bytes);
866 #endif
867 if (opts & OPT_SHOWLINENO)
868 PRINTF("@%d ", n);
869
870 printfr(fp, ioctl);
871 if (opts & OPT_DEBUG) {
872 binprint(fp, sizeof(*fp));
873 if (fp->fr_data != NULL && fp->fr_dsize > 0)
874 binprint(fp->fr_data, fp->fr_dsize);
875 }
876
877 if (fp->fr_grhead[0] != '\0') {
878 g = calloc(1, sizeof(*g));
879
880 if (g != NULL) {
881 strncpy(g->fg_name, fp->fr_grhead,
882 FR_GROUPLEN);
883 if (grtop == NULL) {
884 grtop = g;
885 grtail = g;
886 } else {
887 grtail->fg_next = g;
888 grtail = g;
889 }
890 }
891 }
892 } while (fp->fr_next != NULL);
893
894 while ((g = grtop) != NULL) {
895 printlivelist(out, set, NULL, g->fg_name, comment);
896 grtop = g->fg_next;
897 free(g);
898 }
899 }
900
901
902 static void printdeadlist(out, set, fp, group, comment)
903 int out, set;
904 frentry_t *fp;
905 char *group, *comment;
906 {
907 frgroup_t *grtop, *grtail, *g;
908 struct frentry fb, *fg;
909 char *data;
910 u_32_t type;
911 int n;
912
913 fb.fr_next = fp;
914 n = 0;
915 grtop = NULL;
916 grtail = NULL;
917
918 do {
919 fp = fb.fr_next;
920 if (kmemcpy((char *)&fb, (u_long)fb.fr_next,
921 sizeof(fb)) == -1) {
922 perror("kmemcpy");
923 return;
924 }
925
926 data = NULL;
927 type = fb.fr_type & ~FR_T_BUILTIN;
928 if (type == FR_T_IPF || type == FR_T_BPFOPC) {
929 if (fb.fr_dsize) {
930 data = malloc(fb.fr_dsize);
931
932 if (kmemcpy(data, (u_long)fb.fr_data,
933 fb.fr_dsize) == -1) {
934 perror("kmemcpy");
935 return;
936 }
937 fb.fr_data = data;
938 }
939 }
940
941 n++;
942
943 if (opts & (OPT_HITS|OPT_VERBOSE))
944 #ifdef USE_QUAD_T
945 PRINTF("%qu ", (unsigned long long) fb.fr_hits);
946 #else
947 PRINTF("%lu ", fb.fr_hits);
948 #endif
949 if (opts & (OPT_ACCNT|OPT_VERBOSE))
950 #ifdef USE_QUAD_T
951 PRINTF("%qu ", (unsigned long long) fb.fr_bytes);
952 #else
953 PRINTF("%lu ", fb.fr_bytes);
954 #endif
955 if (opts & OPT_SHOWLINENO)
956 PRINTF("@%d ", n);
957
958 printfr(fp, ioctl);
959 if (opts & OPT_DEBUG) {
960 binprint(fp, sizeof(*fp));
961 if (fb.fr_data != NULL && fb.fr_dsize > 0)
962 binprint(fb.fr_data, fb.fr_dsize);
963 }
964 if (data != NULL)
965 free(data);
966 if (fb.fr_grhead[0] != '\0') {
967 g = calloc(1, sizeof(*g));
968
969 if (g != NULL) {
970 strncpy(g->fg_name, fb.fr_grhead,
971 FR_GROUPLEN);
972 if (grtop == NULL) {
973 grtop = g;
974 grtail = g;
975 } else {
976 grtail->fg_next = g;
977 grtail = g;
978 }
979 }
980 }
981 if (type == FR_T_CALLFUNC) {
982 printdeadlist(out, set, fb.fr_data, group,
983 "# callfunc: ");
984 }
985 } while (fb.fr_next != NULL);
986
987 while ((g = grtop) != NULL) {
988 printdeadlist(out, set, NULL, g->fg_name, comment);
989 grtop = g->fg_next;
990 free(g);
991 }
992 }
993
994
995 /*
996 * print out all of the asked for rule sets, using the stats struct as
997 * the base from which to get the pointers.
998 */
999 static void showlist(fiop)
1000 struct friostat *fiop;
1001 {
1002 struct frentry *fp = NULL;
1003 int i, set;
1004
1005 set = fiop->f_active;
1006 if (opts & OPT_INACTIVE)
1007 set = 1 - set;
1008 if (opts & OPT_ACCNT) {
1009 #ifdef USE_INET6
1010 if ((use_inet6) && (opts & OPT_OUTQUE)) {
1011 i = F_ACOUT;
1012 fp = (struct frentry *)fiop->f_acctout6[set];
1013 } else if ((use_inet6) && (opts & OPT_INQUE)) {
1014 i = F_ACIN;
1015 fp = (struct frentry *)fiop->f_acctin6[set];
1016 } else
1017 #endif
1018 if (opts & OPT_OUTQUE) {
1019 i = F_ACOUT;
1020 fp = (struct frentry *)fiop->f_acctout[set];
1021 } else if (opts & OPT_INQUE) {
1022 i = F_ACIN;
1023 fp = (struct frentry *)fiop->f_acctin[set];
1024 } else {
1025 FPRINTF(stderr, "No -i or -o given with -a\n");
1026 return;
1027 }
1028 } else {
1029 #ifdef USE_INET6
1030 if ((use_inet6) && (opts & OPT_OUTQUE)) {
1031 i = F_OUT;
1032 fp = (struct frentry *)fiop->f_fout6[set];
1033 } else if ((use_inet6) && (opts & OPT_INQUE)) {
1034 i = F_IN;
1035 fp = (struct frentry *)fiop->f_fin6[set];
1036 } else
1037 #endif
1038 if (opts & OPT_OUTQUE) {
1039 i = F_OUT;
1040 fp = (struct frentry *)fiop->f_fout[set];
1041 } else if (opts & OPT_INQUE) {
1042 i = F_IN;
1043 fp = (struct frentry *)fiop->f_fin[set];
1044 } else
1045 return;
1046 }
1047 if (opts & OPT_VERBOSE)
1048 FPRINTF(stderr, "showlist:opts %#x i %d\n", opts, i);
1049
1050 if (opts & OPT_VERBOSE)
1051 PRINTF("fp %p set %d\n", fp, set);
1052 if (!fp) {
1053 FPRINTF(stderr, "empty list for %s%s\n",
1054 (opts & OPT_INACTIVE) ? "inactive " : "", filters[i]);
1055 return;
1056 }
1057 if (live_kernel == 1)
1058 printlivelist(i, set, fp, NULL, NULL);
1059 else
1060 printdeadlist(i, set, fp, NULL, NULL);
1061 }
1062
1063
1064 /*
1065 * Display ipfilter stateful filtering information
1066 */
1067 static void showipstates(ipsp)
1068 ips_stat_t *ipsp;
1069 {
1070 u_long minlen, maxlen, totallen, *buckets;
1071 int i, sz;
1072
1073 sz = sizeof(*buckets) * ipsp->iss_statesize;
1074 buckets = (u_long *)malloc(sz);
1075 if (buckets == NULL) {
1076 perror("malloc");
1077 exit(1);
1078 }
1079 if (kmemcpy((char *)buckets, (u_long)ipsp->iss_bucketlen, sz)) {
1080 free(buckets);
1081 return;
1082 }
1083
1084 /*
1085 * If a list of states hasn't been asked for, only print out stats
1086 */
1087 if (!(opts & OPT_SHOWLIST)) {
1088 PRINTF("IP states added:\n\t%lu TCP\n\t%lu UDP\n\t%lu ICMP\n",
1089 ipsp->iss_tcp, ipsp->iss_udp, ipsp->iss_icmp);
1090 PRINTF("\t%lu hits\n\t%lu misses\n",
1091 ipsp->iss_hits, ipsp->iss_miss);
1092 PRINTF("\t%lu maximum\n\t%lu no memory\n", ipsp->iss_max,
1093 ipsp->iss_nomem);
1094 PRINTF("\t%lu active\n\t%lu expired\n",
1095 ipsp->iss_active, ipsp->iss_expire);
1096 PRINTF("\t%lu closed\n\t%u orphans\n",
1097 ipsp->iss_fin, ipsp->iss_orphans);
1098
1099 PRINTF("State logging %sabled\n",
1100 state_logging ? "en" : "dis");
1101
1102 PRINTF("\nState table bucket statistics:\n");
1103 PRINTF("\t%lu in use\n\t%lu max bucket\n", ipsp->iss_inuse,
1104 ipsp->iss_bucketfull);
1105
1106 minlen = ipsp->iss_max;
1107 totallen = 0;
1108 maxlen = 0;
1109
1110 for (i = 0; i < ipsp->iss_statesize; i++) {
1111 if (buckets[i] > maxlen)
1112 maxlen = buckets[i];
1113 if (buckets[i] < minlen)
1114 minlen = buckets[i];
1115 totallen += buckets[i];
1116 }
1117
1118 PRINTF("\t%2.2f%% bucket usage\n\t%lu minimal length\n",
1119 ((float)ipsp->iss_inuse / ipsp->iss_statesize) * 100.0,
1120 minlen);
1121 PRINTF("\t%lu maximal length\n\t%.3f average length\n",
1122 maxlen,
1123 ipsp->iss_inuse ? (float) totallen/ ipsp->iss_inuse :
1124 0.0);
1125
1126 #define ENTRIES_PER_LINE 5
1127
1128 if (opts & OPT_VERBOSE) {
1129 PRINTF("\nCurrent bucket sizes :\n");
1130 for (i = 0; i < ipsp->iss_statesize; i++) {
1131 if ((i % ENTRIES_PER_LINE) == 0)
1132 PRINTF("\t");
1133 PRINTF("%4d -> %4lu", i, buckets[i]);
1134 if ((i % ENTRIES_PER_LINE) ==
1135 (ENTRIES_PER_LINE - 1))
1136 PRINTF("\n");
1137 else
1138 PRINTF(" ");
1139 }
1140 PRINTF("\n");
1141 }
1142 PRINTF("\n");
1143
1144 free(buckets);
1145 return;
1146 }
1147
1148 /*
1149 * Print out all the state information currently held in the kernel.
1150 */
1151 while (ipsp->iss_list != NULL) {
1152 ipsp->iss_list = printstate(ipsp->iss_list, opts,
1153 ipsp->iss_ticks);
1154 }
1155
1156 free(buckets);
1157 }
1158
1159
1160 #ifdef STATETOP
1161 static int handle_resize = 0, handle_break = 0;
1162
1163 static void topipstates(saddr, daddr, sport, dport, protocol, ver,
1164 refreshtime, topclosed)
1165 i6addr_t saddr;
1166 i6addr_t daddr;
1167 int sport;
1168 int dport;
1169 int protocol;
1170 int ver;
1171 int refreshtime;
1172 int topclosed;
1173 {
1174 char str1[STSTRSIZE], str2[STSTRSIZE], str3[STSTRSIZE], str4[STSTRSIZE];
1175 int maxtsentries = 0, reverse = 0, sorting = STSORT_DEFAULT;
1176 int i, j, winy, tsentry, maxx, maxy, redraw = 0, ret = 0;
1177 int len, srclen, dstlen, forward = 1, c = 0;
1178 ips_stat_t ipsst, *ipsstp = &ipsst;
1179 statetop_t *tstable = NULL, *tp;
1180 const char *errstr = "";
1181 ipstate_t ips;
1182 ipfobj_t ipfo;
1183 struct timeval selecttimeout;
1184 char hostnm[HOSTNMLEN];
1185 struct protoent *proto;
1186 fd_set readfd;
1187 time_t t;
1188
1189 /* install signal handlers */
1190 signal(SIGINT, sig_break);
1191 signal(SIGQUIT, sig_break);
1192 signal(SIGTERM, sig_break);
1193 signal(SIGWINCH, sig_resize);
1194
1195 /* init ncurses stuff */
1196 initscr();
1197 cbreak();
1198 noecho();
1199 curs_set(0);
1200 timeout(0);
1201 getmaxyx(stdscr, maxy, maxx);
1202
1203 /* init hostname */
1204 gethostname(hostnm, sizeof(hostnm) - 1);
1205 hostnm[sizeof(hostnm) - 1] = '\0';
1206
1207 /* init ipfobj_t stuff */
1208 bzero((caddr_t)&ipfo, sizeof(ipfo));
1209 ipfo.ipfo_rev = IPFILTER_VERSION;
1210 ipfo.ipfo_size = sizeof(*ipsstp);
1211 ipfo.ipfo_ptr = (void *)ipsstp;
1212 ipfo.ipfo_type = IPFOBJ_STATESTAT;
1213
1214 /* repeat until user aborts */
1215 while ( 1 ) {
1216
1217 /* get state table */
1218 bzero((char *)&ipsst, sizeof(ipsst));
1219 if ((ioctl(state_fd, SIOCGETFS, &ipfo) == -1)) {
1220 errstr = "ioctl(SIOCGETFS)";
1221 ret = -1;
1222 goto out;
1223 }
1224
1225 /* clear the history */
1226 tsentry = -1;
1227
1228 /* reset max str len */
1229 srclen = dstlen = 0;
1230
1231 /* read the state table and store in tstable */
1232 for (; ipsstp->iss_list; ipsstp->iss_list = ips.is_next) {
1233
1234 if (kmemcpy((char *)&ips, (u_long)ipsstp->iss_list,
1235 sizeof(ips)))
1236 break;
1237
1238 if (ips.is_v != ver)
1239 continue;
1240
1241 /* check v4 src/dest addresses */
1242 if (ips.is_v == 4) {
1243 if ((saddr.in4.s_addr != INADDR_ANY &&
1244 saddr.in4.s_addr != ips.is_saddr) ||
1245 (daddr.in4.s_addr != INADDR_ANY &&
1246 daddr.in4.s_addr != ips.is_daddr))
1247 continue;
1248 }
1249 #ifdef USE_INET6
1250 /* check v6 src/dest addresses */
1251 if (ips.is_v == 6) {
1252 if ((IP6_NEQ(&saddr, &in6addr_any) &&
1253 IP6_NEQ(&saddr, &ips.is_src)) ||
1254 (IP6_NEQ(&daddr, &in6addr_any) &&
1255 IP6_NEQ(&daddr, &ips.is_dst)))
1256 continue;
1257 }
1258 #endif
1259 /* check protocol */
1260 if (protocol > 0 && protocol != ips.is_p)
1261 continue;
1262
1263 /* check ports if protocol is TCP or UDP */
1264 if (((ips.is_p == IPPROTO_TCP) ||
1265 (ips.is_p == IPPROTO_UDP)) &&
1266 (((sport > 0) && (htons(sport) != ips.is_sport)) ||
1267 ((dport > 0) && (htons(dport) != ips.is_dport))))
1268 continue;
1269
1270 /* show closed TCP sessions ? */
1271 if ((topclosed == 0) && (ips.is_p == IPPROTO_TCP) &&
1272 (ips.is_state[0] >= IPF_TCPS_LAST_ACK) &&
1273 (ips.is_state[1] >= IPF_TCPS_LAST_ACK))
1274 continue;
1275
1276 /*
1277 * if necessary make room for this state
1278 * entry
1279 */
1280 tsentry++;
1281 if (!maxtsentries || tsentry == maxtsentries) {
1282 maxtsentries += STGROWSIZE;
1283 tstable = realloc(tstable,
1284 maxtsentries * sizeof(statetop_t));
1285 if (tstable == NULL) {
1286 perror("realloc");
1287 exit(-1);
1288 }
1289 }
1290
1291 /* get max src/dest address string length */
1292 len = strlen(getip(ips.is_v, &ips.is_src));
1293 if (srclen < len)
1294 srclen = len;
1295 len = strlen(getip(ips.is_v, &ips.is_dst));
1296 if (dstlen < len)
1297 dstlen = len;
1298
1299 /* fill structure */
1300 tp = tstable + tsentry;
1301 tp->st_src = ips.is_src;
1302 tp->st_dst = ips.is_dst;
1303 tp->st_p = ips.is_p;
1304 tp->st_v = ips.is_v;
1305 tp->st_state[0] = ips.is_state[0];
1306 tp->st_state[1] = ips.is_state[1];
1307 if (forward) {
1308 tp->st_pkts = ips.is_pkts[0]+ips.is_pkts[1];
1309 tp->st_bytes = ips.is_bytes[0]+ips.is_bytes[1];
1310 } else {
1311 tp->st_pkts = ips.is_pkts[2]+ips.is_pkts[3];
1312 tp->st_bytes = ips.is_bytes[2]+ips.is_bytes[3];
1313 }
1314 tp->st_age = ips.is_die - ipsstp->iss_ticks;
1315 if ((ips.is_p == IPPROTO_TCP) ||
1316 (ips.is_p == IPPROTO_UDP)) {
1317 tp->st_sport = ips.is_sport;
1318 tp->st_dport = ips.is_dport;
1319 }
1320 }
1321
1322
1323 /* sort the array */
1324 if (tsentry != -1) {
1325 switch (sorting)
1326 {
1327 case STSORT_PR:
1328 qsort(tstable, tsentry + 1,
1329 sizeof(statetop_t), sort_p);
1330 break;
1331 case STSORT_PKTS:
1332 qsort(tstable, tsentry + 1,
1333 sizeof(statetop_t), sort_pkts);
1334 break;
1335 case STSORT_BYTES:
1336 qsort(tstable, tsentry + 1,
1337 sizeof(statetop_t), sort_bytes);
1338 break;
1339 case STSORT_TTL:
1340 qsort(tstable, tsentry + 1,
1341 sizeof(statetop_t), sort_ttl);
1342 break;
1343 case STSORT_SRCIP:
1344 qsort(tstable, tsentry + 1,
1345 sizeof(statetop_t), sort_srcip);
1346 break;
1347 case STSORT_SRCPT:
1348 qsort(tstable, tsentry +1,
1349 sizeof(statetop_t), sort_srcpt);
1350 break;
1351 case STSORT_DSTIP:
1352 qsort(tstable, tsentry + 1,
1353 sizeof(statetop_t), sort_dstip);
1354 break;
1355 case STSORT_DSTPT:
1356 qsort(tstable, tsentry + 1,
1357 sizeof(statetop_t), sort_dstpt);
1358 break;
1359 default:
1360 break;
1361 }
1362 }
1363
1364 /* handle window resizes */
1365 if (handle_resize) {
1366 endwin();
1367 initscr();
1368 cbreak();
1369 noecho();
1370 curs_set(0);
1371 timeout(0);
1372 getmaxyx(stdscr, maxy, maxx);
1373 redraw = 1;
1374 handle_resize = 0;
1375 }
1376
1377 /* stop program? */
1378 if (handle_break)
1379 break;
1380
1381 /* print title */
1382 erase();
1383 attron(A_BOLD);
1384 winy = 0;
1385 move(winy,0);
1386 sprintf(str1, "%s - %s - state top", hostnm, IPL_VERSION);
1387 for (j = 0 ; j < (maxx - 8 - strlen(str1)) / 2; j++)
1388 printw(" ");
1389 printw("%s", str1);
1390 attroff(A_BOLD);
1391
1392 /* just for fun add a clock */
1393 move(winy, maxx - 8);
1394 t = time(NULL);
1395 strftime(str1, 80, "%T", localtime(&t));
1396 printw("%s\n", str1);
1397
1398 /*
1399 * print the display filters, this is placed in the loop,
1400 * because someday I might add code for changing these
1401 * while the programming is running :-)
1402 */
1403 if (sport >= 0)
1404 sprintf(str1, "%s,%d", getip(ver, &saddr), sport);
1405 else
1406 sprintf(str1, "%s", getip(ver, &saddr));
1407
1408 if (dport >= 0)
1409 sprintf(str2, "%s,%d", getip(ver, &daddr), dport);
1410 else
1411 sprintf(str2, "%s", getip(ver, &daddr));
1412
1413 if (protocol < 0)
1414 strcpy(str3, "any");
1415 else if ((proto = getprotobynumber(protocol)) != NULL)
1416 sprintf(str3, "%s", proto->p_name);
1417 else
1418 sprintf(str3, "%d", protocol);
1419
1420 switch (sorting)
1421 {
1422 case STSORT_PR:
1423 sprintf(str4, "proto");
1424 break;
1425 case STSORT_PKTS:
1426 sprintf(str4, "# pkts");
1427 break;
1428 case STSORT_BYTES:
1429 sprintf(str4, "# bytes");
1430 break;
1431 case STSORT_TTL:
1432 sprintf(str4, "ttl");
1433 break;
1434 case STSORT_SRCIP:
1435 sprintf(str4, "src ip");
1436 break;
1437 case STSORT_SRCPT:
1438 sprintf(str4, "src port");
1439 break;
1440 case STSORT_DSTIP:
1441 sprintf(str4, "dest ip");
1442 break;
1443 case STSORT_DSTPT:
1444 sprintf(str4, "dest port");
1445 break;
1446 default:
1447 sprintf(str4, "unknown");
1448 break;
1449 }
1450
1451 if (reverse)
1452 strcat(str4, " (reverse)");
1453
1454 winy += 2;
1455 move(winy,0);
1456 printw("Src: %s, Dest: %s, Proto: %s, Sorted by: %s\n\n",
1457 str1, str2, str3, str4);
1458
1459 /*
1460 * For an IPv4 IP address we need at most 15 characters,
1461 * 4 tuples of 3 digits, separated by 3 dots. Enforce this
1462 * length, so the colums do not change positions based
1463 * on the size of the IP address. This length makes the
1464 * output fit in a 80 column terminal.
1465 * We are lacking a good solution for IPv6 addresses (that
1466 * can be longer that 15 characters), so we do not enforce
1467 * a maximum on the IP field size.
1468 */
1469 if (srclen < 15)
1470 srclen = 15;
1471 if (dstlen < 15)
1472 dstlen = 15;
1473
1474 /* print column description */
1475 winy += 2;
1476 move(winy,0);
1477 attron(A_BOLD);
1478 printw("%-*s %-*s %3s %4s %7s %9s %9s\n",
1479 srclen + 6, "Source IP", dstlen + 6, "Destination IP",
1480 "ST", "PR", "#pkts", "#bytes", "ttl");
1481 attroff(A_BOLD);
1482
1483 /* print all the entries */
1484 tp = tstable;
1485 if (reverse)
1486 tp += tsentry;
1487
1488 if (tsentry > maxy - 6)
1489 tsentry = maxy - 6;
1490 for (i = 0; i <= tsentry; i++) {
1491 /* print src/dest and port */
1492 if ((tp->st_p == IPPROTO_TCP) ||
1493 (tp->st_p == IPPROTO_UDP)) {
1494 sprintf(str1, "%s,%hu",
1495 getip(tp->st_v, &tp->st_src),
1496 ntohs(tp->st_sport));
1497 sprintf(str2, "%s,%hu",
1498 getip(tp->st_v, &tp->st_dst),
1499 ntohs(tp->st_dport));
1500 } else {
1501 sprintf(str1, "%s", getip(tp->st_v,
1502 &tp->st_src));
1503 sprintf(str2, "%s", getip(tp->st_v,
1504 &tp->st_dst));
1505 }
1506 winy++;
1507 move(winy, 0);
1508 printw("%-*s %-*s", srclen + 6, str1, dstlen + 6, str2);
1509
1510 /* print state */
1511 sprintf(str1, "%X/%X", tp->st_state[0],
1512 tp->st_state[1]);
1513 printw(" %3s", str1);
1514
1515 /* print protocol */
1516 proto = getprotobynumber(tp->st_p);
1517 if (proto) {
1518 strncpy(str1, proto->p_name, 4);
1519 str1[4] = '\0';
1520 } else {
1521 sprintf(str1, "%d", tp->st_p);
1522 }
1523 /* just print icmp for IPv6-ICMP */
1524 if (tp->st_p == IPPROTO_ICMPV6)
1525 strcpy(str1, "icmp");
1526 printw(" %4s", str1);
1527
1528 /* print #pkt/#bytes */
1529 #ifdef USE_QUAD_T
1530 printw(" %7qu %9qu", (unsigned long long) tp->st_pkts,
1531 (unsigned long long) tp->st_bytes);
1532 #else
1533 printw(" %7lu %9lu", tp->st_pkts, tp->st_bytes);
1534 #endif
1535 printw(" %9s", ttl_to_string(tp->st_age));
1536
1537 if (reverse)
1538 tp--;
1539 else
1540 tp++;
1541 }
1542
1543 /* screen data structure is filled, now update the screen */
1544 if (redraw)
1545 clearok(stdscr,1);
1546
1547 if (refresh() == ERR)
1548 break;
1549 if (redraw) {
1550 clearok(stdscr,0);
1551 redraw = 0;
1552 }
1553
1554 /* wait for key press or a 1 second time out period */
1555 selecttimeout.tv_sec = refreshtime;
1556 selecttimeout.tv_usec = 0;
1557 FD_ZERO(&readfd);
1558 FD_SET(0, &readfd);
1559 select(1, &readfd, NULL, NULL, &selecttimeout);
1560
1561 /* if key pressed, read all waiting keys */
1562 if (FD_ISSET(0, &readfd)) {
1563 c = wgetch(stdscr);
1564 if (c == ERR)
1565 continue;
1566
1567 if (ISALPHA(c) && ISUPPER(c))
1568 c = TOLOWER(c);
1569 if (c == 'l') {
1570 redraw = 1;
1571 } else if (c == 'q') {
1572 break;
1573 } else if (c == 'r') {
1574 reverse = !reverse;
1575 } else if (c == 'b') {
1576 forward = 0;
1577 } else if (c == 'f') {
1578 forward = 1;
1579 } else if (c == 's') {
1580 if (++sorting > STSORT_MAX)
1581 sorting = 0;
1582 }
1583 }
1584 } /* while */
1585
1586 out:
1587 printw("\n");
1588 refresh();
1589 endwin();
1590 free(tstable);
1591 if (ret != 0)
1592 perror(errstr);
1593 }
1594 #endif
1595
1596
1597 /*
1598 * Show fragment cache information that's held in the kernel.
1599 */
1600 static void showfrstates(ifsp, ticks)
1601 ipfrstat_t *ifsp;
1602 u_long ticks;
1603 {
1604 struct ipfr *ipfrtab[IPFT_SIZE], ifr;
1605 int i;
1606
1607 /*
1608 * print out the numeric statistics
1609 */
1610 PRINTF("IP fragment states:\n\t%lu new\n\t%lu expired\n\t%lu hits\n",
1611 ifsp->ifs_new, ifsp->ifs_expire, ifsp->ifs_hits);
1612 PRINTF("\t%lu retrans\n\t%lu too short\n",
1613 ifsp->ifs_retrans0, ifsp->ifs_short);
1614 PRINTF("\t%lu no memory\n\t%lu already exist\n",
1615 ifsp->ifs_nomem, ifsp->ifs_exists);
1616 PRINTF("\t%lu inuse\n", ifsp->ifs_inuse);
1617 if (kmemcpy((char *)ipfrtab, (u_long)ifsp->ifs_table, sizeof(ipfrtab)))
1618 return;
1619
1620 /*
1621 * Print out the contents (if any) of the fragment cache table.
1622 */
1623 PRINTF("\n");
1624 for (i = 0; i < IPFT_SIZE; i++)
1625 while (ipfrtab[i] != NULL) {
1626 if (kmemcpy((char *)&ifr, (u_long)ipfrtab[i],
1627 sizeof(ifr)) == -1)
1628 break;
1629 ifr.ipfr_ttl -= ticks;
1630 printfraginfo("", &ifr);
1631 ipfrtab[i] = ifr.ipfr_next;
1632 }
1633 /*
1634 * Print out the contents (if any) of the NAT fragment cache table.
1635 */
1636 if (kmemcpy((char *)ipfrtab, (u_long)ifsp->ifs_nattab,sizeof(ipfrtab)))
1637 return;
1638 for (i = 0; i < IPFT_SIZE; i++)
1639 while (ipfrtab[i] != NULL) {
1640 if (kmemcpy((char *)&ifr, (u_long)ipfrtab[i],
1641 sizeof(ifr)) == -1)
1642 break;
1643 ifr.ipfr_ttl -= ticks;
1644 printfraginfo("NAT: ", &ifr);
1645 ipfrtab[i] = ifr.ipfr_next;
1646 }
1647 }
1648
1649
1650 /*
1651 * Show stats on how auth within IPFilter has been used
1652 */
1653 static void showauthstates(asp)
1654 fr_authstat_t *asp;
1655 {
1656 frauthent_t *frap, fra;
1657
1658 #ifdef USE_QUAD_T
1659 printf("Authorisation hits: %qu\tmisses %qu\n",
1660 (unsigned long long) asp->fas_hits,
1661 (unsigned long long) asp->fas_miss);
1662 #else
1663 printf("Authorisation hits: %ld\tmisses %ld\n", asp->fas_hits,
1664 asp->fas_miss);
1665 #endif
1666 printf("nospace %ld\nadded %ld\nsendfail %ld\nsendok %ld\n",
1667 asp->fas_nospace, asp->fas_added, asp->fas_sendfail,
1668 asp->fas_sendok);
1669 printf("queok %ld\nquefail %ld\nexpire %ld\n",
1670 asp->fas_queok, asp->fas_quefail, asp->fas_expire);
1671
1672 frap = asp->fas_faelist;
1673 while (frap) {
1674 if (kmemcpy((char *)&fra, (u_long)frap, sizeof(fra)) == -1)
1675 break;
1676
1677 printf("age %ld\t", fra.fae_age);
1678 printfr(&fra.fae_fr, ioctl);
1679 frap = fra.fae_next;
1680 }
1681 }
1682
1683
1684 /*
1685 * Display groups used for each of filter rules, accounting rules and
1686 * authentication, separately.
1687 */
1688 static void showgroups(fiop)
1689 struct friostat *fiop;
1690 {
1691 static char *gnames[3] = { "Filter", "Accounting", "Authentication" };
1692 static int gnums[3] = { IPL_LOGIPF, IPL_LOGCOUNT, IPL_LOGAUTH };
1693 frgroup_t *fp, grp;
1694 int on, off, i;
1695
1696 on = fiop->f_active;
1697 off = 1 - on;
1698
1699 for (i = 0; i < 3; i++) {
1700 printf("%s groups (active):\n", gnames[i]);
1701 for (fp = fiop->f_groups[gnums[i]][on]; fp != NULL;
1702 fp = grp.fg_next)
1703 if (kmemcpy((char *)&grp, (u_long)fp, sizeof(grp)))
1704 break;
1705 else
1706 printf("%s\n", grp.fg_name);
1707 printf("%s groups (inactive):\n", gnames[i]);
1708 for (fp = fiop->f_groups[gnums[i]][off]; fp != NULL;
1709 fp = grp.fg_next)
1710 if (kmemcpy((char *)&grp, (u_long)fp, sizeof(grp)))
1711 break;
1712 else
1713 printf("%s\n", grp.fg_name);
1714 }
1715 }
1716
1717 static void parse_ipportstr(argument, ip, port)
1718 const char *argument;
1719 i6addr_t *ip;
1720 int *port;
1721 {
1722 char *s, *comma;
1723 int ok = 0;
1724
1725 /* make working copy of argument, Theoretically you must be able
1726 * to write to optarg, but that seems very ugly to me....
1727 */
1728 s = strdup(argument);
1729 if (s == NULL)
1730 return;
1731
1732 /* get port */
1733 if ((comma = strchr(s, ',')) != NULL) {
1734 if (!strcasecmp(comma + 1, "any")) {
1735 *port = -1;
1736 } else if (!sscanf(comma + 1, "%d", port) ||
1737 (*port < 0) || (*port > 65535)) {
1738 fprintf(stderr, "Invalid port specfication in %s\n",
1739 argument);
1740 free(s);
1741 exit(-2);
1742 }
1743 *comma = '\0';
1744 }
1745
1746
1747 /* get ip address */
1748 if (!strcasecmp(s, "any")) {
1749 ip->in4.s_addr = INADDR_ANY;
1750 #ifdef USE_INET6
1751 ip->in6 = in6addr_any;
1752 } else if (use_inet6 && inet_pton(AF_INET6, s, &ip->in6)) {
1753 ok = 1;
1754 #endif
1755 } else if (inet_aton(s, &ip->in4))
1756 ok = 1;
1757
1758 if (ok == 0) {
1759 fprintf(stderr, "Invalid IP address: %s\n", s);
1760 free(s);
1761 exit(-2);
1762 }
1763
1764 /* free allocated memory */
1765 free(s);
1766 }
1767
1768
1769 #ifdef STATETOP
1770 static void sig_resize(s)
1771 int s;
1772 {
1773 handle_resize = 1;
1774 }
1775
1776 static void sig_break(s)
1777 int s;
1778 {
1779 handle_break = 1;
1780 }
1781
1782 static char *getip(v, addr)
1783 int v;
1784 i6addr_t *addr;
1785 {
1786 #ifdef USE_INET6
1787 static char hostbuf[MAXHOSTNAMELEN+1];
1788 #endif
1789
1790 if (v == 4)
1791 return inet_ntoa(addr->in4);
1792
1793 #ifdef USE_INET6
1794 (void) inet_ntop(AF_INET6, &addr->in6, hostbuf, sizeof(hostbuf) - 1);
1795 hostbuf[MAXHOSTNAMELEN] = '\0';
1796 return hostbuf;
1797 #else
1798 return "IPv6";
1799 #endif
1800 }
1801
1802
1803 static char *ttl_to_string(ttl)
1804 long int ttl;
1805 {
1806 static char ttlbuf[STSTRSIZE];
1807 int hours, minutes, seconds;
1808
1809 /* ttl is in half seconds */
1810 ttl /= 2;
1811
1812 hours = ttl / 3600;
1813 ttl = ttl % 3600;
1814 minutes = ttl / 60;
1815 seconds = ttl % 60;
1816
1817 if (hours > 0)
1818 sprintf(ttlbuf, "%2d:%02d:%02d", hours, minutes, seconds);
1819 else
1820 sprintf(ttlbuf, "%2d:%02d", minutes, seconds);
1821 return ttlbuf;
1822 }
1823
1824
1825 static int sort_pkts(a, b)
1826 const void *a;
1827 const void *b;
1828 {
1829
1830 register const statetop_t *ap = a;
1831 register const statetop_t *bp = b;
1832
1833 if (ap->st_pkts == bp->st_pkts)
1834 return 0;
1835 else if (ap->st_pkts < bp->st_pkts)
1836 return 1;
1837 return -1;
1838 }
1839
1840
1841 static int sort_bytes(a, b)
1842 const void *a;
1843 const void *b;
1844 {
1845 register const statetop_t *ap = a;
1846 register const statetop_t *bp = b;
1847
1848 if (ap->st_bytes == bp->st_bytes)
1849 return 0;
1850 else if (ap->st_bytes < bp->st_bytes)
1851 return 1;
1852 return -1;
1853 }
1854
1855
1856 static int sort_p(a, b)
1857 const void *a;
1858 const void *b;
1859 {
1860 register const statetop_t *ap = a;
1861 register const statetop_t *bp = b;
1862
1863 if (ap->st_p == bp->st_p)
1864 return 0;
1865 else if (ap->st_p < bp->st_p)
1866 return 1;
1867 return -1;
1868 }
1869
1870
1871 static int sort_ttl(a, b)
1872 const void *a;
1873 const void *b;
1874 {
1875 register const statetop_t *ap = a;
1876 register const statetop_t *bp = b;
1877
1878 if (ap->st_age == bp->st_age)
1879 return 0;
1880 else if (ap->st_age < bp->st_age)
1881 return 1;
1882 return -1;
1883 }
1884
1885 static int sort_srcip(a, b)
1886 const void *a;
1887 const void *b;
1888 {
1889 register const statetop_t *ap = a;
1890 register const statetop_t *bp = b;
1891
1892 #ifdef USE_INET6
1893 if (use_inet6) {
1894 if (IP6_EQ(&ap->st_src, &bp->st_src))
1895 return 0;
1896 else if (IP6_GT(&ap->st_src, &bp->st_src))
1897 return 1;
1898 } else
1899 #endif
1900 {
1901 if (ntohl(ap->st_src.in4.s_addr) ==
1902 ntohl(bp->st_src.in4.s_addr))
1903 return 0;
1904 else if (ntohl(ap->st_src.in4.s_addr) >
1905 ntohl(bp->st_src.in4.s_addr))
1906 return 1;
1907 }
1908 return -1;
1909 }
1910
1911 static int sort_srcpt(a, b)
1912 const void *a;
1913 const void *b;
1914 {
1915 register const statetop_t *ap = a;
1916 register const statetop_t *bp = b;
1917
1918 if (htons(ap->st_sport) == htons(bp->st_sport))
1919 return 0;
1920 else if (htons(ap->st_sport) > htons(bp->st_sport))
1921 return 1;
1922 return -1;
1923 }
1924
1925 static int sort_dstip(a, b)
1926 const void *a;
1927 const void *b;
1928 {
1929 register const statetop_t *ap = a;
1930 register const statetop_t *bp = b;
1931
1932 #ifdef USE_INET6
1933 if (use_inet6) {
1934 if (IP6_EQ(&ap->st_dst, &bp->st_dst))
1935 return 0;
1936 else if (IP6_GT(&ap->st_dst, &bp->st_dst))
1937 return 1;
1938 } else
1939 #endif
1940 {
1941 if (ntohl(ap->st_dst.in4.s_addr) ==
1942 ntohl(bp->st_dst.in4.s_addr))
1943 return 0;
1944 else if (ntohl(ap->st_dst.in4.s_addr) >
1945 ntohl(bp->st_dst.in4.s_addr))
1946 return 1;
1947 }
1948 return -1;
1949 }
1950
1951 static int sort_dstpt(a, b)
1952 const void *a;
1953 const void *b;
1954 {
1955 register const statetop_t *ap = a;
1956 register const statetop_t *bp = b;
1957
1958 if (htons(ap->st_dport) == htons(bp->st_dport))
1959 return 0;
1960 else if (htons(ap->st_dport) > htons(bp->st_dport))
1961 return 1;
1962 return -1;
1963 }
1964
1965 #endif
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