1 /* $NetBSD: pfctl_table.c,v 1.7 2008/06/18 09:06:26 yamt Exp $ */
2 /* $OpenBSD: pfctl_table.c,v 1.66 2007/03/01 17:20:54 deraadt Exp $ */
3
4 /*
5 * Copyright (c) 2002 Cedric Berger
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * - Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * - Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer in the documentation and/or other materials provided
17 * with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
23 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 */
33
34 #include <sys/types.h>
35 #include <sys/ioctl.h>
36 #include <sys/socket.h>
37
38 #include <net/if.h>
39 #include <net/pfvar.h>
40 #include <arpa/inet.h>
41
42 #include <ctype.h>
43 #include <err.h>
44 #include <errno.h>
45 #include <netdb.h>
46 #include <stdarg.h>
47 #include <stdio.h>
48 #include <stdlib.h>
49 #include <string.h>
50 #include <time.h>
51
52 #include "pfctl_parser.h"
53 #include "pfctl.h"
54
55 extern void usage(void);
56 static int pfctl_table(int, char *[], char *, const char *, char *,
57 const char *, int);
58 static void print_table(struct pfr_table *, int, int);
59 static void print_tstats(struct pfr_tstats *, int);
60 static int load_addr(struct pfr_buffer *, int, char *[], char *, int);
61 static void print_addrx(struct pfr_addr *, struct pfr_addr *, int);
62 static void print_astats(struct pfr_astats *, int);
63 static void radix_perror(void);
64 static void xprintf(int, const char *, ...);
65 static void print_iface(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 struct pfr_addr *a, *a2;
132 int nadd = 0, ndel = 0, nchange = 0, nzero = 0;
133 int rv = 0, flags = 0, nmatch = 0;
134 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 = NULL; /* XXX gcc */
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 if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero >
278 lifetime)
279 if (pfr_buf_add(&b2,
280 &((struct pfr_astats *)p)->pfras_a))
281 err(1, "duplicate buffer");
282
283 if (opts & PF_OPT_VERBOSE)
284 flags |= PFR_FLAG_FEEDBACK;
285 RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size,
286 &ndel, flags));
287 xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size);
288 if (opts & PF_OPT_VERBOSE)
289 PFRB_FOREACH(a, &b2)
290 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
291 print_addrx(a, NULL,
292 opts & PF_OPT_USEDNS);
293 } else if (!strcmp(command, "show")) {
294 b.pfrb_type = (opts & PF_OPT_VERBOSE) ?
295 PFRB_ASTATS : PFRB_ADDRS;
296 if (argc || file != NULL)
297 usage();
298 for (;;) {
299 pfr_buf_grow(&b, b.pfrb_size);
300 b.pfrb_size = b.pfrb_msize;
301 if (opts & PF_OPT_VERBOSE)
302 RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
303 &b.pfrb_size, flags));
304 else
305 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr,
306 &b.pfrb_size, flags));
307 if (b.pfrb_size <= b.pfrb_msize)
308 break;
309 }
310 PFRB_FOREACH(p, &b)
311 if (opts & PF_OPT_VERBOSE)
312 print_astats(p, opts & PF_OPT_USEDNS);
313 else
314 print_addrx(p, NULL, opts & PF_OPT_USEDNS);
315 } else if (!strcmp(command, "test")) {
316 b.pfrb_type = PFRB_ADDRS;
317 b2.pfrb_type = PFRB_ADDRS;
318
319 if (load_addr(&b, argc, argv, file, 1))
320 goto _error;
321 if (opts & PF_OPT_VERBOSE2) {
322 flags |= PFR_FLAG_REPLACE;
323 PFRB_FOREACH(a, &b)
324 if (pfr_buf_add(&b2, a))
325 err(1, "duplicate buffer");
326 }
327 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size,
328 &nmatch, flags));
329 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size);
330 if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2))
331 PFRB_FOREACH(a, &b)
332 if (a->pfra_fback == PFR_FB_MATCH)
333 print_addrx(a, NULL,
334 opts & PF_OPT_USEDNS);
335 if (opts & PF_OPT_VERBOSE2) {
336 a2 = NULL;
337 PFRB_FOREACH(a, &b) {
338 a2 = pfr_buf_next(&b2, a2);
339 print_addrx(a2, a, opts & PF_OPT_USEDNS);
340 }
341 }
342 if (nmatch < b.pfrb_size)
343 rv = 2;
344 } else if (!strcmp(command, "zero")) {
345 if (argc || file != NULL)
346 usage();
347 flags |= PFR_FLAG_ADDRSTOO;
348 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags));
349 xprintf(opts, "%d table/stats cleared", nzero);
350 } else
351 warnx("pfctl_table: unknown command '%s'", command);
352 goto _cleanup;
353
354 _error:
355 rv = -1;
356 _cleanup:
357 pfr_buf_clear(&b);
358 pfr_buf_clear(&b2);
359 return (rv);
360 }
361
362 void
print_table(struct pfr_table * ta,int verbose,int debug)363 print_table(struct pfr_table *ta, int verbose, int debug)
364 {
365 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE))
366 return;
367 if (verbose) {
368 printf("%c%c%c%c%c%c\t%s",
369 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-',
370 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-',
371 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-',
372 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-',
373 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-',
374 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-',
375 ta->pfrt_name);
376 if (ta->pfrt_anchor[0])
377 printf("\t%s", ta->pfrt_anchor);
378 puts("");
379 } else
380 puts(ta->pfrt_name);
381 }
382
383 void
print_tstats(struct pfr_tstats * ts,int debug)384 print_tstats(struct pfr_tstats *ts, int debug)
385 {
386 time_t time = ts->pfrts_tzero;
387 int dir, op;
388
389 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE))
390 return;
391 print_table(&ts->pfrts_t, 1, debug);
392 printf("\tAddresses: %d\n", ts->pfrts_cnt);
393 printf("\tCleared: %s", ctime(&time));
394 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n",
395 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR],
396 ts->pfrts_refcnt[PFR_REFCNT_RULE]);
397 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n",
398 (unsigned long long)ts->pfrts_nomatch,
399 (unsigned long long)ts->pfrts_match);
400 for (dir = 0; dir < PFR_DIR_MAX; dir++)
401 for (op = 0; op < PFR_OP_TABLE_MAX; op++)
402 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
403 stats_text[dir][op],
404 (unsigned long long)ts->pfrts_packets[dir][op],
405 (unsigned long long)ts->pfrts_bytes[dir][op]);
406 }
407
408 int
load_addr(struct pfr_buffer * b,int argc,char * argv[],char * file,int nonetwork)409 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file,
410 int nonetwork)
411 {
412 while (argc--)
413 if (append_addr(b, *argv++, nonetwork)) {
414 if (errno)
415 warn("cannot decode %s", argv[-1]);
416 return (-1);
417 }
418 if (pfr_buf_load(b, file, nonetwork, append_addr)) {
419 warn("cannot load %s", file);
420 return (-1);
421 }
422 return (0);
423 }
424
425 void
print_addrx(struct pfr_addr * ad,struct pfr_addr * rad,int dns)426 print_addrx(struct pfr_addr *ad, struct pfr_addr *rad, int dns)
427 {
428 char ch, buf[256] = "{error}";
429 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y' };
430 unsigned int fback, hostnet;
431
432 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback;
433 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?';
434 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32;
435 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf));
436 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf);
437 if (ad->pfra_net < hostnet)
438 printf("/%d", ad->pfra_net);
439 if (rad != NULL && fback != PFR_FB_NONE) {
440 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf))
441 errx(1, "print_addrx: strlcpy");
442 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf));
443 printf("\t%c%s", (rad->pfra_not?'!':' '), buf);
444 if (rad->pfra_net < hostnet)
445 printf("/%d", rad->pfra_net);
446 }
447 if (rad != NULL && fback == PFR_FB_NONE)
448 printf("\t nomatch");
449 if (dns && ad->pfra_net == hostnet) {
450 char host[NI_MAXHOST];
451 union sockaddr_union sa;
452
453 strlcpy(host, "?", sizeof(host));
454 bzero(&sa, sizeof(sa));
455 sa.sa.sa_family = ad->pfra_af;
456 if (sa.sa.sa_family == AF_INET) {
457 sa.sa.sa_len = sizeof(sa.sin);
458 sa.sin.sin_addr = ad->pfra_ip4addr;
459 } else {
460 sa.sa.sa_len = sizeof(sa.sin6);
461 sa.sin6.sin6_addr = ad->pfra_ip6addr;
462 }
463 if (getnameinfo(&sa.sa, sa.sa.sa_len, host, sizeof(host),
464 NULL, 0, NI_NAMEREQD) == 0)
465 printf("\t(%s)", host);
466 }
467 printf("\n");
468 }
469
470 void
print_astats(struct pfr_astats * as,int dns)471 print_astats(struct pfr_astats *as, int dns)
472 {
473 time_t time = as->pfras_tzero;
474 int dir, op;
475
476 print_addrx(&as->pfras_a, NULL, dns);
477 printf("\tCleared: %s", ctime(&time));
478 for (dir = 0; dir < PFR_DIR_MAX; dir++)
479 for (op = 0; op < PFR_OP_ADDR_MAX; op++)
480 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
481 stats_text[dir][op],
482 (unsigned long long)as->pfras_packets[dir][op],
483 (unsigned long long)as->pfras_bytes[dir][op]);
484 }
485
486 void
radix_perror(void)487 radix_perror(void)
488 {
489 extern char *__progname;
490 fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno));
491 }
492
493 int
pfctl_define_table(char * name,int flags,int addrs,const char * anchor,struct pfr_buffer * ab,u_int32_t ticket)494 pfctl_define_table(char *name, int flags, int addrs, const char *anchor,
495 struct pfr_buffer *ab, u_int32_t ticket)
496 {
497 struct pfr_table tbl;
498
499 bzero(&tbl, sizeof(tbl));
500 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >=
501 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor,
502 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor))
503 errx(1, "pfctl_define_table: strlcpy");
504 tbl.pfrt_flags = flags;
505
506 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL,
507 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0);
508 }
509
510 void
warn_namespace_collision(const char * filter)511 warn_namespace_collision(const char *filter)
512 {
513 struct pfr_buffer b;
514 struct pfr_table *t;
515 const char *name = NULL, *lastcoll = NULL;
516 int coll = 0;
517
518 bzero(&b, sizeof(b));
519 b.pfrb_type = PFRB_TABLES;
520 for (;;) {
521 pfr_buf_grow(&b, b.pfrb_size);
522 b.pfrb_size = b.pfrb_msize;
523 if (pfr_get_tables(NULL, b.pfrb_caddr,
524 &b.pfrb_size, PFR_FLAG_ALLRSETS))
525 err(1, "pfr_get_tables");
526 if (b.pfrb_size <= b.pfrb_msize)
527 break;
528 }
529 PFRB_FOREACH(t, &b) {
530 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE))
531 continue;
532 if (filter != NULL && strcmp(filter, t->pfrt_name))
533 continue;
534 if (!t->pfrt_anchor[0])
535 name = t->pfrt_name;
536 else if (name != NULL && !strcmp(name, t->pfrt_name)) {
537 coll++;
538 lastcoll = name;
539 name = NULL;
540 }
541 }
542 if (coll == 1)
543 warnx("warning: namespace collision with <%s> global table.",
544 lastcoll);
545 else if (coll > 1)
546 warnx("warning: namespace collisions with %d global tables.",
547 coll);
548 pfr_buf_clear(&b);
549 }
550
551 void
xprintf(int opts,const char * fmt,...)552 xprintf(int opts, const char *fmt, ...)
553 {
554 va_list args;
555
556 if (opts & PF_OPT_QUIET)
557 return;
558
559 va_start(args, fmt);
560 vfprintf(stderr, fmt, args);
561 va_end(args);
562
563 if (opts & PF_OPT_DUMMYACTION)
564 fprintf(stderr, " (dummy).\n");
565 else if (opts & PF_OPT_NOACTION)
566 fprintf(stderr, " (syntax only).\n");
567 else
568 fprintf(stderr, ".\n");
569 }
570
571
572 /* interface stuff */
573
574 int
pfctl_show_ifaces(const char * filter,int opts)575 pfctl_show_ifaces(const char *filter, int opts)
576 {
577 struct pfr_buffer b;
578 struct pfi_kif *p;
579 int i = 0;
580
581 bzero(&b, sizeof(b));
582 b.pfrb_type = PFRB_IFACES;
583 for (;;) {
584 pfr_buf_grow(&b, b.pfrb_size);
585 b.pfrb_size = b.pfrb_msize;
586 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) {
587 radix_perror();
588 return (1);
589 }
590 if (b.pfrb_size <= b.pfrb_msize)
591 break;
592 i++;
593 }
594 if (opts & PF_OPT_SHOWALL)
595 pfctl_print_title("INTERFACES:");
596 PFRB_FOREACH(p, &b)
597 print_iface(p, opts);
598 return (0);
599 }
600
601 void
print_iface(struct pfi_kif * p,int opts)602 print_iface(struct pfi_kif *p, int opts)
603 {
604 time_t tzero = p->pfik_tzero;
605 int i, af, dir, act;
606
607 printf("%s", p->pfik_name);
608 if (opts & PF_OPT_VERBOSE) {
609 if (p->pfik_flags & PFI_IFLAG_SKIP)
610 printf(" (skip)");
611 }
612 printf("\n");
613
614 if (!(opts & PF_OPT_VERBOSE2))
615 return;
616 printf("\tCleared: %s", ctime(&tzero));
617 printf("\tReferences: [ States: %-18d Rules: %-18d ]\n",
618 p->pfik_states, p->pfik_rules);
619 for (i = 0; i < 8; i++) {
620 af = (i>>2) & 1;
621 dir = (i>>1) &1;
622 act = i & 1;
623 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
624 istats_text[af][dir][act],
625 (unsigned long long)p->pfik_packets[af][dir][act],
626 (unsigned long long)p->pfik_bytes[af][dir][act]);
627 }
628 }
629