1 /* $OpenBSD: pfctl_table.c,v 1.67 2008/06/10 20:55:02 mcbride Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-2-Clause
5 *
6 * Copyright (c) 2002 Cedric Berger
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * - Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * - Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer in the documentation and/or other materials provided
18 * with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 *
33 */
34
35 #include <sys/types.h>
36 #include <sys/ioctl.h>
37 #include <sys/socket.h>
38
39 #include <net/if.h>
40 #include <net/pfvar.h>
41 #include <arpa/inet.h>
42
43 #include <ctype.h>
44 #include <err.h>
45 #include <errno.h>
46 #include <netdb.h>
47 #include <stdarg.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <time.h>
52
53 #include "pfctl_parser.h"
54 #include "pfctl.h"
55
56 extern void usage(void);
57 static int pfctl_table(int, char *[], char *, const char *, char *,
58 const char *, int);
59 static void print_table(struct pfr_table *, int, int);
60 static void print_tstats(struct pfr_tstats *, int);
61 static int load_addr(struct pfr_buffer *, int, char *[], char *, int);
62 static void print_addrx(struct pfr_addr *, struct pfr_addr *, int);
63 static void print_astats(struct pfr_astats *, int);
64 static void radix_perror(void);
65 static void xprintf(int, const char *, ...);
66 static void print_iface(struct pfi_kif *, int);
67
68 static const char *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = {
69 { "In/Block:", "In/Pass:", "In/XPass:" },
70 { "Out/Block:", "Out/Pass:", "Out/XPass:" }
71 };
72
73 static const char *istats_text[2][2][2] = {
74 { { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } },
75 { { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } }
76 };
77
78 #define RVTEST(fct) do { \
79 if ((!(opts & PF_OPT_NOACTION) || \
80 (opts & PF_OPT_DUMMYACTION)) && \
81 (fct)) { \
82 radix_perror(); \
83 goto _error; \
84 } \
85 } while (0)
86
87 #define CREATE_TABLE do { \
88 table.pfrt_flags |= PFR_TFLAG_PERSIST; \
89 if ((!(opts & PF_OPT_NOACTION) || \
90 (opts & PF_OPT_DUMMYACTION)) && \
91 (pfr_add_tables(&table, 1, &nadd, flags)) && \
92 (errno != EPERM)) { \
93 radix_perror(); \
94 goto _error; \
95 } \
96 if (nadd) { \
97 warn_namespace_collision(table.pfrt_name); \
98 xprintf(opts, "%d table created", nadd); \
99 if (opts & PF_OPT_NOACTION) \
100 return (0); \
101 } \
102 table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \
103 } while(0)
104
105 int
pfctl_clear_tables(const char * anchor,int opts)106 pfctl_clear_tables(const char *anchor, int opts)
107 {
108 return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts);
109 }
110
111 int
pfctl_show_tables(const char * anchor,int opts)112 pfctl_show_tables(const char *anchor, int opts)
113 {
114 return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts);
115 }
116
117 int
pfctl_command_tables(int argc,char * argv[],char * tname,const char * command,char * file,const char * anchor,int opts)118 pfctl_command_tables(int argc, char *argv[], char *tname,
119 const char *command, char *file, const char *anchor, int opts)
120 {
121 if (tname == NULL || command == NULL)
122 usage();
123 return pfctl_table(argc, argv, tname, command, file, anchor, opts);
124 }
125
126 int
pfctl_table(int argc,char * argv[],char * tname,const char * command,char * file,const char * anchor,int opts)127 pfctl_table(int argc, char *argv[], char *tname, const char *command,
128 char *file, const char *anchor, int opts)
129 {
130 struct pfr_table table;
131 struct pfr_buffer b, b2;
132 struct pfr_addr *a, *a2;
133 int nadd = 0, ndel = 0, nchange = 0, nzero = 0;
134 int rv = 0, flags = 0, nmatch = 0;
135 void *p;
136
137 if (command == NULL)
138 usage();
139 if (opts & PF_OPT_NOACTION)
140 flags |= PFR_FLAG_DUMMY;
141
142 bzero(&b, sizeof(b));
143 bzero(&b2, sizeof(b2));
144 bzero(&table, sizeof(table));
145 if (tname != NULL) {
146 if (strlen(tname) >= PF_TABLE_NAME_SIZE)
147 usage();
148 if (strlcpy(table.pfrt_name, tname,
149 sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name))
150 errx(1, "pfctl_table: strlcpy");
151 }
152 if (strlcpy(table.pfrt_anchor, anchor,
153 sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor))
154 errx(1, "pfctl_table: strlcpy");
155
156 if (!strcmp(command, "-F")) {
157 if (argc || file != NULL)
158 usage();
159 RVTEST(pfr_clr_tables(&table, &ndel, flags));
160 xprintf(opts, "%d tables deleted", ndel);
161 } else if (!strcmp(command, "-s")) {
162 b.pfrb_type = (opts & PF_OPT_VERBOSE2) ?
163 PFRB_TSTATS : PFRB_TABLES;
164 if (argc || file != NULL)
165 usage();
166 for (;;) {
167 pfr_buf_grow(&b, b.pfrb_size);
168 b.pfrb_size = b.pfrb_msize;
169 if (opts & PF_OPT_VERBOSE2)
170 RVTEST(pfr_get_tstats(&table,
171 b.pfrb_caddr, &b.pfrb_size, flags));
172 else
173 RVTEST(pfr_get_tables(&table,
174 b.pfrb_caddr, &b.pfrb_size, flags));
175 if (b.pfrb_size <= b.pfrb_msize)
176 break;
177 }
178
179 if ((opts & PF_OPT_SHOWALL) && b.pfrb_size > 0)
180 pfctl_print_title("TABLES:");
181
182 PFRB_FOREACH(p, &b)
183 if (opts & PF_OPT_VERBOSE2)
184 print_tstats(p, opts & PF_OPT_DEBUG);
185 else
186 print_table(p, opts & PF_OPT_VERBOSE,
187 opts & PF_OPT_DEBUG);
188 } else if (!strcmp(command, "kill")) {
189 if (argc || file != NULL)
190 usage();
191 RVTEST(pfr_del_tables(&table, 1, &ndel, flags));
192 xprintf(opts, "%d table deleted", ndel);
193 } else if (!strcmp(command, "flush")) {
194 if (argc || file != NULL)
195 usage();
196 RVTEST(pfr_clr_addrs(&table, &ndel, flags));
197 xprintf(opts, "%d addresses deleted", ndel);
198 } else if (!strcmp(command, "add")) {
199 b.pfrb_type = PFRB_ADDRS;
200 if (load_addr(&b, argc, argv, file, 0))
201 goto _error;
202 CREATE_TABLE;
203 if (opts & PF_OPT_VERBOSE)
204 flags |= PFR_FLAG_FEEDBACK;
205 RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size,
206 &nadd, flags));
207 xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size);
208 if (opts & PF_OPT_VERBOSE)
209 PFRB_FOREACH(a, &b)
210 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
211 print_addrx(a, NULL,
212 opts & PF_OPT_USEDNS);
213 } else if (!strcmp(command, "delete")) {
214 b.pfrb_type = PFRB_ADDRS;
215 if (load_addr(&b, argc, argv, file, 0))
216 goto _error;
217 if (opts & PF_OPT_VERBOSE)
218 flags |= PFR_FLAG_FEEDBACK;
219 RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size,
220 &ndel, flags));
221 xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size);
222 if (opts & PF_OPT_VERBOSE)
223 PFRB_FOREACH(a, &b)
224 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
225 print_addrx(a, NULL,
226 opts & PF_OPT_USEDNS);
227 } else if (!strcmp(command, "replace")) {
228 b.pfrb_type = PFRB_ADDRS;
229 if (load_addr(&b, argc, argv, file, 0))
230 goto _error;
231 CREATE_TABLE;
232 if (opts & PF_OPT_VERBOSE)
233 flags |= PFR_FLAG_FEEDBACK;
234 for (;;) {
235 int sz2 = b.pfrb_msize;
236
237 RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size,
238 &sz2, &nadd, &ndel, &nchange, flags));
239 if (sz2 <= b.pfrb_msize) {
240 b.pfrb_size = sz2;
241 break;
242 } else
243 pfr_buf_grow(&b, sz2);
244 }
245 if (nadd)
246 xprintf(opts, "%d addresses added", nadd);
247 if (ndel)
248 xprintf(opts, "%d addresses deleted", ndel);
249 if (nchange)
250 xprintf(opts, "%d addresses changed", nchange);
251 if (!nadd && !ndel && !nchange)
252 xprintf(opts, "no changes");
253 if (opts & PF_OPT_VERBOSE)
254 PFRB_FOREACH(a, &b)
255 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
256 print_addrx(a, NULL,
257 opts & PF_OPT_USEDNS);
258 } else if (!strcmp(command, "expire")) {
259 const char *errstr;
260 u_int lifetime;
261
262 b.pfrb_type = PFRB_ASTATS;
263 b2.pfrb_type = PFRB_ADDRS;
264 if (argc != 1 || file != NULL)
265 usage();
266 lifetime = strtonum(*argv, 0, UINT_MAX, &errstr);
267 if (errstr)
268 errx(1, "expiry time: %s", errstr);
269 for (;;) {
270 pfr_buf_grow(&b, b.pfrb_size);
271 b.pfrb_size = b.pfrb_msize;
272 RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
273 &b.pfrb_size, flags));
274 if (b.pfrb_size <= b.pfrb_msize)
275 break;
276 }
277 PFRB_FOREACH(p, &b) {
278 ((struct pfr_astats *)p)->pfras_a.pfra_fback = 0;
279 if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero >
280 lifetime)
281 if (pfr_buf_add(&b2,
282 &((struct pfr_astats *)p)->pfras_a))
283 err(1, "duplicate buffer");
284 }
285
286 if (opts & PF_OPT_VERBOSE)
287 flags |= PFR_FLAG_FEEDBACK;
288 RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size,
289 &ndel, flags));
290 xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size);
291 if (opts & PF_OPT_VERBOSE)
292 PFRB_FOREACH(a, &b2)
293 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
294 print_addrx(a, NULL,
295 opts & PF_OPT_USEDNS);
296 } else if (!strcmp(command, "show")) {
297 b.pfrb_type = (opts & PF_OPT_VERBOSE) ?
298 PFRB_ASTATS : PFRB_ADDRS;
299 if (argc || file != NULL)
300 usage();
301 for (;;) {
302 pfr_buf_grow(&b, b.pfrb_size);
303 b.pfrb_size = b.pfrb_msize;
304 if (opts & PF_OPT_VERBOSE)
305 RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
306 &b.pfrb_size, flags));
307 else
308 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr,
309 &b.pfrb_size, flags));
310 if (b.pfrb_size <= b.pfrb_msize)
311 break;
312 }
313 PFRB_FOREACH(p, &b)
314 if (opts & PF_OPT_VERBOSE)
315 print_astats(p, opts & PF_OPT_USEDNS);
316 else
317 print_addrx(p, NULL, opts & PF_OPT_USEDNS);
318 } else if (!strcmp(command, "test")) {
319 b.pfrb_type = PFRB_ADDRS;
320 b2.pfrb_type = PFRB_ADDRS;
321
322 if (load_addr(&b, argc, argv, file, 1))
323 goto _error;
324 if (opts & PF_OPT_VERBOSE2) {
325 flags |= PFR_FLAG_REPLACE;
326 PFRB_FOREACH(a, &b)
327 if (pfr_buf_add(&b2, a))
328 err(1, "duplicate buffer");
329 }
330 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size,
331 &nmatch, flags));
332 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size);
333 if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2))
334 PFRB_FOREACH(a, &b)
335 if (a->pfra_fback == PFR_FB_MATCH)
336 print_addrx(a, NULL,
337 opts & PF_OPT_USEDNS);
338 if (opts & PF_OPT_VERBOSE2) {
339 a2 = NULL;
340 PFRB_FOREACH(a, &b) {
341 a2 = pfr_buf_next(&b2, a2);
342 print_addrx(a2, a, opts & PF_OPT_USEDNS);
343 }
344 }
345 if (nmatch < b.pfrb_size)
346 rv = 2;
347 } else if (!strcmp(command, "zero")) {
348 if (argc || file != NULL)
349 usage();
350 flags |= PFR_FLAG_ADDRSTOO;
351 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags));
352 xprintf(opts, "%d table/stats cleared", nzero);
353 } else
354 warnx("pfctl_table: unknown command '%s'", command);
355 goto _cleanup;
356
357 _error:
358 rv = -1;
359 _cleanup:
360 pfr_buf_clear(&b);
361 pfr_buf_clear(&b2);
362 return (rv);
363 }
364
365 void
print_table(struct pfr_table * ta,int verbose,int debug)366 print_table(struct pfr_table *ta, int verbose, int debug)
367 {
368 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE))
369 return;
370 if (verbose) {
371 printf("%c%c%c%c%c%c%c\t%s",
372 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-',
373 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-',
374 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-',
375 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-',
376 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-',
377 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-',
378 (ta->pfrt_flags & PFR_TFLAG_COUNTERS) ? 'C' : '-',
379 ta->pfrt_name);
380 if (ta->pfrt_anchor[0])
381 printf("\t%s", ta->pfrt_anchor);
382 puts("");
383 } else
384 puts(ta->pfrt_name);
385 }
386
387 void
print_tstats(struct pfr_tstats * ts,int debug)388 print_tstats(struct pfr_tstats *ts, int debug)
389 {
390 time_t time = ts->pfrts_tzero;
391 int dir, op;
392
393 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE))
394 return;
395 print_table(&ts->pfrts_t, 1, debug);
396 printf("\tAddresses: %d\n", ts->pfrts_cnt);
397 printf("\tCleared: %s", ctime(&time));
398 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n",
399 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR],
400 ts->pfrts_refcnt[PFR_REFCNT_RULE]);
401 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n",
402 (unsigned long long)ts->pfrts_nomatch,
403 (unsigned long long)ts->pfrts_match);
404 for (dir = 0; dir < PFR_DIR_MAX; dir++)
405 for (op = 0; op < PFR_OP_TABLE_MAX; op++)
406 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
407 stats_text[dir][op],
408 (unsigned long long)ts->pfrts_packets[dir][op],
409 (unsigned long long)ts->pfrts_bytes[dir][op]);
410 }
411
412 int
load_addr(struct pfr_buffer * b,int argc,char * argv[],char * file,int nonetwork)413 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file,
414 int nonetwork)
415 {
416 while (argc--)
417 if (append_addr(b, *argv++, nonetwork)) {
418 if (errno)
419 warn("cannot decode %s", argv[-1]);
420 return (-1);
421 }
422 if (pfr_buf_load(b, file, nonetwork, append_addr)) {
423 warn("cannot load %s", file);
424 return (-1);
425 }
426 return (0);
427 }
428
429 void
print_addrx(struct pfr_addr * ad,struct pfr_addr * rad,int dns)430 print_addrx(struct pfr_addr *ad, struct pfr_addr *rad, int dns)
431 {
432 char ch, buf[256] = "{error}";
433 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y', ' ' };
434 unsigned int fback, hostnet;
435
436 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback;
437 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?';
438 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32;
439 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf));
440 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf);
441 if (ad->pfra_net < hostnet)
442 printf("/%d", ad->pfra_net);
443 if (rad != NULL && fback != PFR_FB_NONE) {
444 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf))
445 errx(1, "print_addrx: strlcpy");
446 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf));
447 printf("\t%c%s", (rad->pfra_not?'!':' '), buf);
448 if (rad->pfra_net < hostnet)
449 printf("/%d", rad->pfra_net);
450 }
451 if (rad != NULL && fback == PFR_FB_NONE)
452 printf("\t nomatch");
453 if (dns && ad->pfra_net == hostnet) {
454 char host[NI_MAXHOST];
455 union sockaddr_union sa;
456
457 strlcpy(host, "?", sizeof(host));
458 bzero(&sa, sizeof(sa));
459 sa.sa.sa_family = ad->pfra_af;
460 if (sa.sa.sa_family == AF_INET) {
461 sa.sa.sa_len = sizeof(sa.sin);
462 sa.sin.sin_addr = ad->pfra_ip4addr;
463 } else {
464 sa.sa.sa_len = sizeof(sa.sin6);
465 sa.sin6.sin6_addr = ad->pfra_ip6addr;
466 }
467 if (getnameinfo(&sa.sa, sa.sa.sa_len, host, sizeof(host),
468 NULL, 0, NI_NAMEREQD) == 0)
469 printf("\t(%s)", host);
470 }
471 printf("\n");
472 }
473
474 void
print_astats(struct pfr_astats * as,int dns)475 print_astats(struct pfr_astats *as, int dns)
476 {
477 time_t time = as->pfras_tzero;
478 int dir, op;
479
480 print_addrx(&as->pfras_a, NULL, dns);
481 printf("\tCleared: %s", ctime(&time));
482 if (as->pfras_a.pfra_fback == PFR_FB_NOCOUNT)
483 return;
484 for (dir = 0; dir < PFR_DIR_MAX; dir++)
485 for (op = 0; op < PFR_OP_ADDR_MAX; op++)
486 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
487 stats_text[dir][op],
488 (unsigned long long)as->pfras_packets[dir][op],
489 (unsigned long long)as->pfras_bytes[dir][op]);
490 }
491
492 void
radix_perror(void)493 radix_perror(void)
494 {
495 extern char *__progname;
496 fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno));
497 }
498
499 int
pfctl_define_table(char * name,int flags,int addrs,const char * anchor,struct pfr_buffer * ab,u_int32_t ticket)500 pfctl_define_table(char *name, int flags, int addrs, const char *anchor,
501 struct pfr_buffer *ab, u_int32_t ticket)
502 {
503 struct pfr_table tbl;
504
505 bzero(&tbl, sizeof(tbl));
506 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >=
507 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor,
508 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor))
509 errx(1, "pfctl_define_table: strlcpy");
510 tbl.pfrt_flags = flags;
511
512 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL,
513 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0);
514 }
515
516 void
warn_namespace_collision(const char * filter)517 warn_namespace_collision(const char *filter)
518 {
519 struct pfr_buffer b;
520 struct pfr_table *t;
521 const char *name = NULL, *lastcoll;
522 int coll = 0;
523
524 bzero(&b, sizeof(b));
525 b.pfrb_type = PFRB_TABLES;
526 for (;;) {
527 pfr_buf_grow(&b, b.pfrb_size);
528 b.pfrb_size = b.pfrb_msize;
529 if (pfr_get_tables(NULL, b.pfrb_caddr,
530 &b.pfrb_size, PFR_FLAG_ALLRSETS))
531 err(1, "pfr_get_tables");
532 if (b.pfrb_size <= b.pfrb_msize)
533 break;
534 }
535 PFRB_FOREACH(t, &b) {
536 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE))
537 continue;
538 if (filter != NULL && strcmp(filter, t->pfrt_name))
539 continue;
540 if (!t->pfrt_anchor[0])
541 name = t->pfrt_name;
542 else if (name != NULL && !strcmp(name, t->pfrt_name)) {
543 coll++;
544 lastcoll = name;
545 name = NULL;
546 }
547 }
548 if (coll == 1)
549 warnx("warning: namespace collision with <%s> global table.",
550 lastcoll);
551 else if (coll > 1)
552 warnx("warning: namespace collisions with %d global tables.",
553 coll);
554 pfr_buf_clear(&b);
555 }
556
557 void
xprintf(int opts,const char * fmt,...)558 xprintf(int opts, const char *fmt, ...)
559 {
560 va_list args;
561
562 if (opts & PF_OPT_QUIET)
563 return;
564
565 va_start(args, fmt);
566 vfprintf(stderr, fmt, args);
567 va_end(args);
568
569 if (opts & PF_OPT_DUMMYACTION)
570 fprintf(stderr, " (dummy).\n");
571 else if (opts & PF_OPT_NOACTION)
572 fprintf(stderr, " (syntax only).\n");
573 else
574 fprintf(stderr, ".\n");
575 }
576
577
578 /* interface stuff */
579
580 int
pfctl_show_ifaces(const char * filter,int opts)581 pfctl_show_ifaces(const char *filter, int opts)
582 {
583 struct pfr_buffer b;
584 struct pfi_kif *p;
585
586 bzero(&b, sizeof(b));
587 b.pfrb_type = PFRB_IFACES;
588 for (;;) {
589 pfr_buf_grow(&b, b.pfrb_size);
590 b.pfrb_size = b.pfrb_msize;
591 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) {
592 radix_perror();
593 return (1);
594 }
595 if (b.pfrb_size <= b.pfrb_msize)
596 break;
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(struct pfi_kif * p,int opts)606 print_iface(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: %-18d\n", p->pfik_rulerefs);
622 for (i = 0; i < 8; i++) {
623 af = (i>>2) & 1;
624 dir = (i>>1) &1;
625 act = i & 1;
626 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
627 istats_text[af][dir][act],
628 (unsigned long long)p->pfik_packets[af][dir][act],
629 (unsigned long long)p->pfik_bytes[af][dir][act]);
630 }
631 }
632