1 /* $OpenBSD: pfctl_table.c,v 1.68 2008/06/21 10:34:08 mcbride Exp $ */
2
3 /*
4 * Copyright (c) 2002 Cedric Berger
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * - Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials provided
16 * with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32
33 #include <sys/types.h>
34 #include <sys/ioctl.h>
35 #include <sys/socket.h>
36
37 #include <net/if.h>
38 #include <net/pf/pfvar.h>
39 #include <arpa/inet.h>
40
41 #include <ctype.h>
42 #include <err.h>
43 #include <errno.h>
44 #include <netdb.h>
45 #include <stdarg.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48 #include <string.h>
49 #include <time.h>
50
51 #include "pfctl_parser.h"
52 #include "pfctl.h"
53
54 extern void usage(void);
55 static int pfctl_table(int, char *[], char *, const char *, char *,
56 const char *, int);
57 static void print_table(const struct pfr_table *, int, int);
58 static void print_tstats(const struct pfr_tstats *, int);
59 static int load_addr(struct pfr_buffer *, int, char *[], char *, int);
60 static void print_addrx(const struct pfr_addr *, const struct pfr_addr *,
61 int);
62 static void print_astats(const struct pfr_astats *, int);
63 static void radix_perror(void);
64 static void xprintf(int, const char *, ...) __printflike(2, 3);
65 static void print_iface(const struct pfi_kif *, int);
66
67 static const char *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = {
68 { "In/Block:", "In/Pass:", "In/XPass:" },
69 { "Out/Block:", "Out/Pass:", "Out/XPass:" }
70 };
71
72 static const char *istats_text[2][2][2] = {
73 { { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } },
74 { { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } }
75 };
76
77 #define RVTEST(fct) do { \
78 if ((!(opts & PF_OPT_NOACTION) || \
79 (opts & PF_OPT_DUMMYACTION)) && \
80 (fct)) { \
81 radix_perror(); \
82 goto _error; \
83 } \
84 } while (0)
85
86 #define CREATE_TABLE do { \
87 table.pfrt_flags |= PFR_TFLAG_PERSIST; \
88 if ((!(opts & PF_OPT_NOACTION) || \
89 (opts & PF_OPT_DUMMYACTION)) && \
90 (pfr_add_tables(&table, 1, &nadd, flags)) && \
91 (errno != EPERM)) { \
92 radix_perror(); \
93 goto _error; \
94 } \
95 if (nadd) { \
96 warn_namespace_collision(table.pfrt_name); \
97 xprintf(opts, "%d table created", nadd); \
98 if (opts & PF_OPT_NOACTION) \
99 return (0); \
100 } \
101 table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \
102 } while(0)
103
104 int
pfctl_clear_tables(const char * anchor,int opts)105 pfctl_clear_tables(const char *anchor, int opts)
106 {
107 return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts);
108 }
109
110 int
pfctl_show_tables(const char * anchor,int opts)111 pfctl_show_tables(const char *anchor, int opts)
112 {
113 return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts);
114 }
115
116 int
pfctl_command_tables(int argc,char * argv[],char * tname,const char * command,char * file,const char * anchor,int opts)117 pfctl_command_tables(int argc, char *argv[], char *tname,
118 const char *command, char *file, const char *anchor, int opts)
119 {
120 if (tname == NULL || command == NULL)
121 usage();
122 return pfctl_table(argc, argv, tname, command, file, anchor, opts);
123 }
124
125 int
pfctl_table(int argc,char * argv[],char * tname,const char * command,char * file,const char * anchor,int opts)126 pfctl_table(int argc, char *argv[], char *tname, const char *command,
127 char *file, const char *anchor, int opts)
128 {
129 struct pfr_table table;
130 struct pfr_buffer b, b2;
131 const struct pfr_addr *a, *a2;
132 int nadd = 0, ndel = 0, nchange = 0, nzero = 0;
133 int rv = 0, flags = 0, nmatch = 0;
134 const void *p;
135
136 if (command == NULL)
137 usage();
138 if (opts & PF_OPT_NOACTION)
139 flags |= PFR_FLAG_DUMMY;
140
141 bzero(&b, sizeof(b));
142 bzero(&b2, sizeof(b2));
143 bzero(&table, sizeof(table));
144 if (tname != NULL) {
145 if (strlen(tname) >= PF_TABLE_NAME_SIZE)
146 usage();
147 if (strlcpy(table.pfrt_name, tname,
148 sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name))
149 errx(1, "pfctl_table: strlcpy");
150 }
151 if (strlcpy(table.pfrt_anchor, anchor,
152 sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor))
153 errx(1, "pfctl_table: strlcpy");
154
155 if (!strcmp(command, "-F")) {
156 if (argc || file != NULL)
157 usage();
158 RVTEST(pfr_clr_tables(&table, &ndel, flags));
159 xprintf(opts, "%d tables deleted", ndel);
160 } else if (!strcmp(command, "-s")) {
161 b.pfrb_type = (opts & PF_OPT_VERBOSE2) ?
162 PFRB_TSTATS : PFRB_TABLES;
163 if (argc || file != NULL)
164 usage();
165 for (;;) {
166 pfr_buf_grow(&b, b.pfrb_size);
167 b.pfrb_size = b.pfrb_msize;
168 if (opts & PF_OPT_VERBOSE2)
169 RVTEST(pfr_get_tstats(&table,
170 b.pfrb_caddr, &b.pfrb_size, flags));
171 else
172 RVTEST(pfr_get_tables(&table,
173 b.pfrb_caddr, &b.pfrb_size, flags));
174 if (b.pfrb_size <= b.pfrb_msize)
175 break;
176 }
177
178 if ((opts & PF_OPT_SHOWALL) && b.pfrb_size > 0)
179 pfctl_print_title("TABLES:");
180
181 PFRB_FOREACH(p, &b)
182 if (opts & PF_OPT_VERBOSE2)
183 print_tstats(p, opts & PF_OPT_DEBUG);
184 else
185 print_table(p, opts & PF_OPT_VERBOSE,
186 opts & PF_OPT_DEBUG);
187 } else if (!strcmp(command, "kill")) {
188 if (argc || file != NULL)
189 usage();
190 RVTEST(pfr_del_tables(&table, 1, &ndel, flags));
191 xprintf(opts, "%d table deleted", ndel);
192 } else if (!strcmp(command, "flush")) {
193 if (argc || file != NULL)
194 usage();
195 RVTEST(pfr_clr_addrs(&table, &ndel, flags));
196 xprintf(opts, "%d addresses deleted", ndel);
197 } else if (!strcmp(command, "add")) {
198 b.pfrb_type = PFRB_ADDRS;
199 if (load_addr(&b, argc, argv, file, 0))
200 goto _error;
201 CREATE_TABLE;
202 if (opts & PF_OPT_VERBOSE)
203 flags |= PFR_FLAG_FEEDBACK;
204 RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size,
205 &nadd, flags));
206 xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size);
207 if (opts & PF_OPT_VERBOSE)
208 PFRB_FOREACH(a, &b)
209 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
210 print_addrx(a, NULL,
211 opts & PF_OPT_USEDNS);
212 } else if (!strcmp(command, "delete")) {
213 b.pfrb_type = PFRB_ADDRS;
214 if (load_addr(&b, argc, argv, file, 0))
215 goto _error;
216 if (opts & PF_OPT_VERBOSE)
217 flags |= PFR_FLAG_FEEDBACK;
218 RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size,
219 &ndel, flags));
220 xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size);
221 if (opts & PF_OPT_VERBOSE)
222 PFRB_FOREACH(a, &b)
223 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
224 print_addrx(a, NULL,
225 opts & PF_OPT_USEDNS);
226 } else if (!strcmp(command, "replace")) {
227 b.pfrb_type = PFRB_ADDRS;
228 if (load_addr(&b, argc, argv, file, 0))
229 goto _error;
230 CREATE_TABLE;
231 if (opts & PF_OPT_VERBOSE)
232 flags |= PFR_FLAG_FEEDBACK;
233 for (;;) {
234 int sz2 = b.pfrb_msize;
235
236 RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size,
237 &sz2, &nadd, &ndel, &nchange, flags));
238 if (sz2 <= b.pfrb_msize) {
239 b.pfrb_size = sz2;
240 break;
241 } else
242 pfr_buf_grow(&b, sz2);
243 }
244 if (nadd)
245 xprintf(opts, "%d addresses added", nadd);
246 if (ndel)
247 xprintf(opts, "%d addresses deleted", ndel);
248 if (nchange)
249 xprintf(opts, "%d addresses changed", nchange);
250 if (!nadd && !ndel && !nchange)
251 xprintf(opts, "no changes");
252 if (opts & PF_OPT_VERBOSE)
253 PFRB_FOREACH(a, &b)
254 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
255 print_addrx(a, NULL,
256 opts & PF_OPT_USEDNS);
257 } else if (!strcmp(command, "expire")) {
258 const char *errstr;
259 u_int lifetime;
260
261 b.pfrb_type = PFRB_ASTATS;
262 b2.pfrb_type = PFRB_ADDRS;
263 if (argc != 1 || file != NULL)
264 usage();
265 lifetime = strtonum(*argv, 0, UINT_MAX, &errstr);
266 if (errstr)
267 errx(1, "expiry time: %s", errstr);
268 for (;;) {
269 pfr_buf_grow(&b, b.pfrb_size);
270 b.pfrb_size = b.pfrb_msize;
271 RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
272 &b.pfrb_size, flags));
273 if (b.pfrb_size <= b.pfrb_msize)
274 break;
275 }
276 PFRB_FOREACH(p, &b) {
277 ((struct pfr_astats *)p)->pfras_a.pfra_fback = 0;
278 if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero >
279 lifetime)
280 if (pfr_buf_add(&b2,
281 &((struct pfr_astats *)p)->pfras_a))
282 err(1, "duplicate buffer");
283 }
284
285 if (opts & PF_OPT_VERBOSE)
286 flags |= PFR_FLAG_FEEDBACK;
287 RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size,
288 &ndel, flags));
289 xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size);
290 if (opts & PF_OPT_VERBOSE)
291 PFRB_FOREACH(a, &b2)
292 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
293 print_addrx(a, NULL,
294 opts & PF_OPT_USEDNS);
295 } else if (!strcmp(command, "show")) {
296 b.pfrb_type = (opts & PF_OPT_VERBOSE) ?
297 PFRB_ASTATS : PFRB_ADDRS;
298 if (argc || file != NULL)
299 usage();
300 for (;;) {
301 pfr_buf_grow(&b, b.pfrb_size);
302 b.pfrb_size = b.pfrb_msize;
303 if (opts & PF_OPT_VERBOSE)
304 RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
305 &b.pfrb_size, flags));
306 else
307 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr,
308 &b.pfrb_size, flags));
309 if (b.pfrb_size <= b.pfrb_msize)
310 break;
311 }
312 PFRB_FOREACH(p, &b)
313 if (opts & PF_OPT_VERBOSE)
314 print_astats(p, opts & PF_OPT_USEDNS);
315 else
316 print_addrx(p, NULL, opts & PF_OPT_USEDNS);
317 } else if (!strcmp(command, "test")) {
318 b.pfrb_type = PFRB_ADDRS;
319 b2.pfrb_type = PFRB_ADDRS;
320
321 if (load_addr(&b, argc, argv, file, 1))
322 goto _error;
323 if (opts & PF_OPT_VERBOSE2) {
324 flags |= PFR_FLAG_REPLACE;
325 PFRB_FOREACH(a, &b)
326 if (pfr_buf_add(&b2, a))
327 err(1, "duplicate buffer");
328 }
329 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size,
330 &nmatch, flags));
331 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size);
332 if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2))
333 PFRB_FOREACH(a, &b)
334 if (a->pfra_fback == PFR_FB_MATCH)
335 print_addrx(a, NULL,
336 opts & PF_OPT_USEDNS);
337 if (opts & PF_OPT_VERBOSE2) {
338 a2 = NULL;
339 PFRB_FOREACH(a, &b) {
340 a2 = pfr_buf_next(&b2, a2);
341 print_addrx(a2, a, opts & PF_OPT_USEDNS);
342 }
343 }
344 if (nmatch < b.pfrb_size)
345 rv = 2;
346 } else if (!strcmp(command, "zero")) {
347 if (argc || file != NULL)
348 usage();
349 flags |= PFR_FLAG_ADDRSTOO;
350 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags));
351 xprintf(opts, "%d table/stats cleared", nzero);
352 } else
353 warnx("pfctl_table: unknown command '%s'", command);
354 goto _cleanup;
355
356 _error:
357 rv = -1;
358 _cleanup:
359 pfr_buf_clear(&b);
360 pfr_buf_clear(&b2);
361 return (rv);
362 }
363
364 void
print_table(const struct pfr_table * ta,int verbose,int debug)365 print_table(const struct pfr_table *ta, int verbose, int debug)
366 {
367 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE))
368 return;
369 if (verbose) {
370 printf("%c%c%c%c%c%c%c\t%s",
371 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-',
372 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-',
373 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-',
374 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-',
375 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-',
376 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-',
377 (ta->pfrt_flags & PFR_TFLAG_COUNTERS) ? 'C' : '-',
378 ta->pfrt_name);
379 if (ta->pfrt_anchor[0])
380 printf("\t%s", ta->pfrt_anchor);
381 puts("");
382 } else
383 puts(ta->pfrt_name);
384 }
385
386 void
print_tstats(const struct pfr_tstats * ts,int debug)387 print_tstats(const struct pfr_tstats *ts, int debug)
388 {
389 time_t rtime = ts->pfrts_tzero;
390 int dir, op;
391
392 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE))
393 return;
394 print_table(&ts->pfrts_t, 1, debug);
395 printf("\tAddresses: %d\n", ts->pfrts_cnt);
396 printf("\tCleared: %s", ctime(&rtime));
397 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n",
398 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR],
399 ts->pfrts_refcnt[PFR_REFCNT_RULE]);
400 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n",
401 (unsigned long long)ts->pfrts_nomatch,
402 (unsigned long long)ts->pfrts_match);
403 for (dir = 0; dir < PFR_DIR_MAX; dir++)
404 for (op = 0; op < PFR_OP_TABLE_MAX; op++)
405 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
406 stats_text[dir][op],
407 (unsigned long long)ts->pfrts_packets[dir][op],
408 (unsigned long long)ts->pfrts_bytes[dir][op]);
409 }
410
411 int
load_addr(struct pfr_buffer * b,int argc,char * argv[],char * file,int nonetwork)412 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file,
413 int nonetwork)
414 {
415 while (argc--)
416 if (append_addr(b, *argv++, nonetwork)) {
417 if (errno)
418 warn("cannot decode %s", argv[-1]);
419 return (-1);
420 }
421 if (pfr_buf_load(b, file, nonetwork, append_addr)) {
422 warn("cannot load %s", file);
423 return (-1);
424 }
425 return (0);
426 }
427
428 void
print_addrx(const struct pfr_addr * ad,const struct pfr_addr * rad,int dns)429 print_addrx(const struct pfr_addr *ad, const struct pfr_addr *rad, int dns)
430 {
431 char ch, buf[256] = "{error}";
432 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y', ' ' };
433 unsigned int fback, hostnet;
434
435 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback;
436 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?';
437 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32;
438 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf));
439 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf);
440 if (ad->pfra_net < hostnet)
441 printf("/%d", ad->pfra_net);
442 if (rad != NULL && fback != PFR_FB_NONE) {
443 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf))
444 errx(1, "print_addrx: strlcpy");
445 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf));
446 printf("\t%c%s", (rad->pfra_not?'!':' '), buf);
447 if (rad->pfra_net < hostnet)
448 printf("/%d", rad->pfra_net);
449 }
450 if (rad != NULL && fback == PFR_FB_NONE)
451 printf("\t nomatch");
452 if (dns && ad->pfra_net == hostnet) {
453 char hostname[NI_MAXHOST];
454 union sockaddr_union sa;
455
456 strlcpy(hostname, "?", sizeof(hostname));
457 bzero(&sa, sizeof(sa));
458 sa.sa.sa_family = ad->pfra_af;
459 if (sa.sa.sa_family == AF_INET) {
460 sa.sa.sa_len = sizeof(sa.sin);
461 sa.sin.sin_addr = ad->pfra_ip4addr;
462 } else {
463 sa.sa.sa_len = sizeof(sa.sin6);
464 sa.sin6.sin6_addr = ad->pfra_ip6addr;
465 }
466 if (getnameinfo(&sa.sa, sa.sa.sa_len, hostname, sizeof(hostname),
467 NULL, 0, NI_NAMEREQD) == 0)
468 printf("\t(%s)", hostname);
469 }
470 printf("\n");
471 }
472
473 void
print_astats(const struct pfr_astats * as,int dns)474 print_astats(const struct pfr_astats *as, int dns)
475 {
476 time_t rtime = as->pfras_tzero;
477 int dir, op;
478
479 print_addrx(&as->pfras_a, NULL, dns);
480 printf("\tCleared: %s", ctime(&rtime));
481 if (as->pfras_a.pfra_fback == PFR_FB_NOCOUNT)
482 return;
483 for (dir = 0; dir < PFR_DIR_MAX; dir++)
484 for (op = 0; op < PFR_OP_ADDR_MAX; op++)
485 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
486 stats_text[dir][op],
487 (unsigned long long)as->pfras_packets[dir][op],
488 (unsigned long long)as->pfras_bytes[dir][op]);
489 }
490
491 void
radix_perror(void)492 radix_perror(void)
493 {
494 fprintf(stderr, "%s: %s.\n", getprogname(), pfr_strerror(errno));
495 }
496
497 int
pfctl_define_table(char * name,int flags,int addrs,const char * anchor,struct pfr_buffer * ab,u_int32_t ticket)498 pfctl_define_table(char *name, int flags, int addrs, const char *anchor,
499 struct pfr_buffer *ab, u_int32_t ticket)
500 {
501 struct pfr_table tbl;
502
503 bzero(&tbl, sizeof(tbl));
504 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >=
505 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor,
506 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor))
507 errx(1, "pfctl_define_table: strlcpy");
508 tbl.pfrt_flags = flags;
509
510 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL,
511 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0);
512 }
513
514 void
warn_namespace_collision(const char * filter)515 warn_namespace_collision(const char *filter)
516 {
517 struct pfr_buffer b;
518 const struct pfr_table *t;
519 const char *name = NULL, *lastcoll;
520 int coll = 0;
521
522 bzero(&b, sizeof(b));
523 b.pfrb_type = PFRB_TABLES;
524 for (;;) {
525 pfr_buf_grow(&b, b.pfrb_size);
526 b.pfrb_size = b.pfrb_msize;
527 if (pfr_get_tables(NULL, b.pfrb_caddr,
528 &b.pfrb_size, PFR_FLAG_ALLRSETS))
529 err(1, "pfr_get_tables");
530 if (b.pfrb_size <= b.pfrb_msize)
531 break;
532 }
533 PFRB_FOREACH(t, &b) {
534 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE))
535 continue;
536 if (filter != NULL && strcmp(filter, t->pfrt_name))
537 continue;
538 if (!t->pfrt_anchor[0])
539 name = t->pfrt_name;
540 else if (name != NULL && !strcmp(name, t->pfrt_name)) {
541 coll++;
542 lastcoll = name;
543 name = NULL;
544 }
545 }
546 if (coll == 1)
547 warnx("warning: namespace collision with <%s> global table.",
548 lastcoll);
549 else if (coll > 1)
550 warnx("warning: namespace collisions with %d global tables.",
551 coll);
552 pfr_buf_clear(&b);
553 }
554
555 void
xprintf(int opts,const char * fmt,...)556 xprintf(int opts, const char *fmt, ...)
557 {
558 va_list args;
559
560 if (opts & PF_OPT_QUIET)
561 return;
562
563 va_start(args, fmt);
564 vfprintf(stderr, fmt, args);
565 va_end(args);
566
567 if (opts & PF_OPT_DUMMYACTION)
568 fprintf(stderr, " (dummy).\n");
569 else if (opts & PF_OPT_NOACTION)
570 fprintf(stderr, " (syntax only).\n");
571 else
572 fprintf(stderr, ".\n");
573 }
574
575
576 /* interface stuff */
577
578 int
pfctl_show_ifaces(const char * filter,int opts)579 pfctl_show_ifaces(const char *filter, int opts)
580 {
581 struct pfr_buffer b;
582 const struct pfi_kif *p;
583 int i = 0;
584
585 bzero(&b, sizeof(b));
586 b.pfrb_type = PFRB_IFACES;
587 for (;;) {
588 pfr_buf_grow(&b, b.pfrb_size);
589 b.pfrb_size = b.pfrb_msize;
590 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) {
591 radix_perror();
592 return (1);
593 }
594 if (b.pfrb_size <= b.pfrb_msize)
595 break;
596 i++;
597 }
598 if (opts & PF_OPT_SHOWALL)
599 pfctl_print_title("INTERFACES:");
600 PFRB_FOREACH(p, &b)
601 print_iface(p, opts);
602 return (0);
603 }
604
605 void
print_iface(const struct pfi_kif * p,int opts)606 print_iface(const struct pfi_kif *p, int opts)
607 {
608 time_t tzero = p->pfik_tzero;
609 int i, af, dir, act;
610
611 printf("%s", p->pfik_name);
612 if (opts & PF_OPT_VERBOSE) {
613 if (p->pfik_flags & PFI_IFLAG_SKIP)
614 printf(" (skip)");
615 }
616 printf("\n");
617
618 if (!(opts & PF_OPT_VERBOSE2))
619 return;
620 printf("\tCleared: %s", ctime(&tzero));
621 printf("\tReferences: [ States: %-18d Rules: %-18d ]\n",
622 p->pfik_states, p->pfik_rules);
623 for (i = 0; i < 8; i++) {
624 af = (i>>2) & 1;
625 dir = (i>>1) &1;
626 act = i & 1;
627 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
628 istats_text[af][dir][act],
629 (unsigned long long)p->pfik_packets[af][dir][act],
630 (unsigned long long)p->pfik_bytes[af][dir][act]);
631 }
632 }
633