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 <netinet/in.h>
40 #include <arpa/inet.h>
41 #include <net/if.h>
42 #include <net/pfvar.h>
43
44 #include <ctype.h>
45 #include <err.h>
46 #include <errno.h>
47 #include <netdb.h>
48 #include <stdarg.h>
49 #include <stdio.h>
50 #include <stdlib.h>
51 #include <string.h>
52 #include <time.h>
53
54 #include "pfctl_parser.h"
55 #include "pfctl.h"
56
57 extern void usage(void);
58 static int pfctl_table(int, char *[], char *, const char *, char *,
59 const char *, int);
60 static void print_table(const struct pfr_table *, int, int);
61 static int print_tstats(const struct pfr_tstats *, int);
62 static int load_addr(struct pfr_buffer *, int, char *[], char *, int);
63 static void print_addrx(struct pfr_addr *, struct pfr_addr *, int);
64 static int nonzero_astats(struct pfr_astats *);
65 static void print_astats(struct pfr_astats *, int);
66 static void radix_perror(void);
67 static void xprintf(int, const char *, ...);
68 static void print_iface(struct pfi_kif *, int);
69
70 static const char *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = {
71 { "In/Block:", "In/Pass:", "In/XPass:" },
72 { "Out/Block:", "Out/Pass:", "Out/XPass:" }
73 };
74
75 static const char *istats_text[2][2][2] = {
76 { { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } },
77 { { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } }
78 };
79
80 #define RVTEST(fct) do { \
81 if ((!(opts & PF_OPT_NOACTION) || \
82 (opts & PF_OPT_DUMMYACTION)) && \
83 (fct)) { \
84 radix_perror(); \
85 goto _error; \
86 } \
87 } while (0)
88
89 #define CREATE_TABLE do { \
90 table.pfrt_flags |= PFR_TFLAG_PERSIST; \
91 if ((!(opts & PF_OPT_NOACTION) || \
92 (opts & PF_OPT_DUMMYACTION)) && \
93 (pfr_add_table(&table, &nadd, flags)) && \
94 (errno != EPERM)) { \
95 radix_perror(); \
96 goto _error; \
97 } \
98 if (nadd) { \
99 warn_namespace_collision(table.pfrt_name); \
100 xprintf(opts, "%d table created", nadd); \
101 if (opts & PF_OPT_NOACTION) \
102 return (0); \
103 } \
104 table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \
105 } while(0)
106
107 int
pfctl_do_clear_tables(const char * anchor,int opts)108 pfctl_do_clear_tables(const char *anchor, int opts)
109 {
110 return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts);
111 }
112
113 int
pfctl_show_tables(const char * anchor,int opts)114 pfctl_show_tables(const char *anchor, int opts)
115 {
116 return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts);
117 }
118
119 int
pfctl_command_tables(int argc,char * argv[],char * tname,const char * command,char * file,const char * anchor,int opts)120 pfctl_command_tables(int argc, char *argv[], char *tname,
121 const char *command, char *file, const char *anchor, int opts)
122 {
123 if (tname == NULL || command == NULL)
124 usage();
125 return pfctl_table(argc, argv, tname, command, file, anchor, opts);
126 }
127
128 int
pfctl_table(int argc,char * argv[],char * tname,const char * command,char * file,const char * anchor,int opts)129 pfctl_table(int argc, char *argv[], char *tname, const char *command,
130 char *file, const char *anchor, int opts)
131 {
132 struct pfr_table table;
133 struct pfr_buffer b, b2;
134 struct pfr_addr *a, *a2;
135 int nadd = 0, ndel = 0, nchange = 0, nzero = 0;
136 int rv = 0, flags = 0, nmatch = 0;
137 void *p;
138
139 if (command == NULL)
140 usage();
141 if (opts & PF_OPT_NOACTION)
142 flags |= PFR_FLAG_DUMMY;
143
144 bzero(&b, sizeof(b));
145 bzero(&b2, sizeof(b2));
146 bzero(&table, sizeof(table));
147 if (tname != NULL) {
148 if (strlen(tname) >= PF_TABLE_NAME_SIZE)
149 usage();
150 if (strlcpy(table.pfrt_name, tname,
151 sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name))
152 errx(1, "pfctl_table: strlcpy");
153 }
154 if (strlcpy(table.pfrt_anchor, anchor,
155 sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor))
156 errx(1, "pfctl_table: strlcpy");
157
158 if (!strcmp(command, "-F")) {
159 if (argc || file != NULL)
160 usage();
161 RVTEST(pfctl_clear_tables(pfh, &table, &ndel, flags));
162 xprintf(opts, "%d tables deleted", ndel);
163 } else if (!strcmp(command, "-s")) {
164 b.pfrb_type = (opts & PF_OPT_VERBOSE2) ?
165 PFRB_TSTATS : PFRB_TABLES;
166 if (argc || file != NULL)
167 usage();
168
169 if ((opts & PF_OPT_SHOWALL) && b.pfrb_size > 0)
170 pfctl_print_title("TABLES:");
171
172 if (opts & PF_OPT_VERBOSE2) {
173 uintptr_t arg = opts & PF_OPT_DEBUG;
174 pfctl_get_tstats(pfh, &table,
175 (pfctl_get_tstats_fn)print_tstats, (void *)arg);
176 } else {
177 for (;;) {
178 pfr_buf_grow(&b, b.pfrb_size);
179 b.pfrb_size = b.pfrb_msize;
180 RVTEST(pfr_get_tables(&table,
181 b.pfrb_caddr, &b.pfrb_size, flags));
182 if (b.pfrb_size <= b.pfrb_msize)
183 break;
184 }
185
186 if ((opts & PF_OPT_SHOWALL) && b.pfrb_size > 0)
187 pfctl_print_title("TABLES:");
188
189 PFRB_FOREACH(p, &b)
190 print_table(p, opts & PF_OPT_VERBOSE,
191 opts & PF_OPT_DEBUG);
192 }
193 } else if (!strcmp(command, "kill")) {
194 if (argc || file != NULL)
195 usage();
196 RVTEST(pfr_del_table(&table, &ndel, flags));
197 xprintf(opts, "%d table deleted", ndel);
198 } else if (!strcmp(command, "flush")) {
199 if (argc || file != NULL)
200 usage();
201 RVTEST(pfr_clr_addrs(&table, &ndel, flags));
202 xprintf(opts, "%d addresses deleted", ndel);
203 } else if (!strcmp(command, "add")) {
204 b.pfrb_type = PFRB_ADDRS;
205 if (load_addr(&b, argc, argv, file, 0))
206 goto _error;
207 CREATE_TABLE;
208 if (opts & PF_OPT_VERBOSE)
209 flags |= PFR_FLAG_FEEDBACK;
210 RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size,
211 &nadd, flags));
212 xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size);
213 if (opts & PF_OPT_VERBOSE)
214 PFRB_FOREACH(a, &b)
215 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
216 print_addrx(a, NULL,
217 opts & PF_OPT_USEDNS);
218 } else if (!strcmp(command, "delete")) {
219 b.pfrb_type = PFRB_ADDRS;
220 if (load_addr(&b, argc, argv, file, 0))
221 goto _error;
222 if (opts & PF_OPT_VERBOSE)
223 flags |= PFR_FLAG_FEEDBACK;
224 RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size,
225 &ndel, flags));
226 xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size);
227 if (opts & PF_OPT_VERBOSE)
228 PFRB_FOREACH(a, &b)
229 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
230 print_addrx(a, NULL,
231 opts & PF_OPT_USEDNS);
232 } else if (!strcmp(command, "replace")) {
233 b.pfrb_type = PFRB_ADDRS;
234 if (load_addr(&b, argc, argv, file, 0))
235 goto _error;
236 CREATE_TABLE;
237 if (opts & PF_OPT_VERBOSE)
238 flags |= PFR_FLAG_FEEDBACK;
239 for (;;) {
240 int sz2 = b.pfrb_msize;
241
242 RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size,
243 &sz2, &nadd, &ndel, &nchange, flags));
244 if (sz2 <= b.pfrb_msize) {
245 b.pfrb_size = sz2;
246 break;
247 } else
248 pfr_buf_grow(&b, sz2);
249 }
250 if (nadd)
251 xprintf(opts, "%d addresses added", nadd);
252 if (ndel)
253 xprintf(opts, "%d addresses deleted", ndel);
254 if (nchange)
255 xprintf(opts, "%d addresses changed", nchange);
256 if (!nadd && !ndel && !nchange)
257 xprintf(opts, "no changes");
258 if (opts & PF_OPT_VERBOSE)
259 PFRB_FOREACH(a, &b)
260 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
261 print_addrx(a, NULL,
262 opts & PF_OPT_USEDNS);
263 } else if (!strcmp(command, "expire")) {
264 const char *errstr;
265 u_int lifetime;
266
267 b.pfrb_type = PFRB_ASTATS;
268 b2.pfrb_type = PFRB_ADDRS;
269 if (argc != 1 || file != NULL)
270 usage();
271 lifetime = strtonum(*argv, 0, UINT_MAX, &errstr);
272 if (errstr)
273 errx(1, "expiry time: %s", errstr);
274 for (;;) {
275 pfr_buf_grow(&b, b.pfrb_size);
276 b.pfrb_size = b.pfrb_msize;
277 RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
278 &b.pfrb_size, flags));
279 if (b.pfrb_size <= b.pfrb_msize)
280 break;
281 }
282 PFRB_FOREACH(p, &b) {
283 ((struct pfr_astats *)p)->pfras_a.pfra_fback = 0;
284 if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero >
285 lifetime)
286 if (pfr_buf_add(&b2,
287 &((struct pfr_astats *)p)->pfras_a))
288 err(1, "duplicate buffer");
289 }
290
291 if (opts & PF_OPT_VERBOSE)
292 flags |= PFR_FLAG_FEEDBACK;
293 RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size,
294 &ndel, flags));
295 xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size);
296 if (opts & PF_OPT_VERBOSE)
297 PFRB_FOREACH(a, &b2)
298 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
299 print_addrx(a, NULL,
300 opts & PF_OPT_USEDNS);
301 } else if (!strcmp(command, "reset")) {
302 struct pfr_astats *as;
303
304 b.pfrb_type = PFRB_ASTATS;
305 b2.pfrb_type = PFRB_ADDRS;
306 if (argc || file != NULL)
307 usage();
308 do {
309 pfr_buf_grow(&b, b.pfrb_size);
310 b.pfrb_size = b.pfrb_msize;
311 RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
312 &b.pfrb_size, flags));
313 } while (b.pfrb_size > b.pfrb_msize);
314 PFRB_FOREACH(as, &b) {
315 as->pfras_a.pfra_fback = 0;
316 if (nonzero_astats(as))
317 if (pfr_buf_add(&b2, &as->pfras_a))
318 err(1, "duplicate buffer");
319 }
320
321 if (opts & PF_OPT_VERBOSE)
322 flags |= PFR_FLAG_FEEDBACK;
323 RVTEST(pfr_clr_astats(&table, b2.pfrb_caddr, b2.pfrb_size,
324 &nzero, flags));
325 xprintf(opts, "%d/%d stats cleared", nzero, b.pfrb_size);
326 if (opts & PF_OPT_VERBOSE)
327 PFRB_FOREACH(a, &b2)
328 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
329 print_addrx(a, NULL,
330 opts & PF_OPT_USEDNS);
331 } else if (!strcmp(command, "show")) {
332 b.pfrb_type = (opts & PF_OPT_VERBOSE) ?
333 PFRB_ASTATS : PFRB_ADDRS;
334 if (argc || file != NULL)
335 usage();
336 for (;;) {
337 pfr_buf_grow(&b, b.pfrb_size);
338 b.pfrb_size = b.pfrb_msize;
339 if (opts & PF_OPT_VERBOSE)
340 RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
341 &b.pfrb_size, flags));
342 else
343 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr,
344 &b.pfrb_size, flags));
345 if (b.pfrb_size <= b.pfrb_msize)
346 break;
347 }
348 PFRB_FOREACH(p, &b)
349 if (opts & PF_OPT_VERBOSE)
350 print_astats(p, opts & PF_OPT_USEDNS);
351 else
352 print_addrx(p, NULL, opts & PF_OPT_USEDNS);
353 } else if (!strcmp(command, "test")) {
354 b.pfrb_type = PFRB_ADDRS;
355 b2.pfrb_type = PFRB_ADDRS;
356
357 if (load_addr(&b, argc, argv, file, 1))
358 goto _error;
359 if (opts & PF_OPT_VERBOSE2) {
360 flags |= PFR_FLAG_REPLACE;
361 PFRB_FOREACH(a, &b)
362 if (pfr_buf_add(&b2, a))
363 err(1, "duplicate buffer");
364 }
365 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size,
366 &nmatch, flags));
367 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size);
368 if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2))
369 PFRB_FOREACH(a, &b)
370 if (a->pfra_fback == PFR_FB_MATCH)
371 print_addrx(a, NULL,
372 opts & PF_OPT_USEDNS);
373 if (opts & PF_OPT_VERBOSE2) {
374 a2 = NULL;
375 PFRB_FOREACH(a, &b) {
376 a2 = pfr_buf_next(&b2, a2);
377 print_addrx(a2, a, opts & PF_OPT_USEDNS);
378 }
379 }
380 if (nmatch < b.pfrb_size)
381 rv = 2;
382 } else if (!strcmp(command, "zero") && (argc || file != NULL)) {
383 b.pfrb_type = PFRB_ADDRS;
384 if (load_addr(&b, argc, argv, file, 0))
385 goto _error;
386 if (opts & PF_OPT_VERBOSE)
387 flags |= PFR_FLAG_FEEDBACK;
388 RVTEST(pfr_clr_astats(&table, b.pfrb_caddr, b.pfrb_size,
389 &nzero, flags));
390 xprintf(opts, "%d/%d addresses cleared", nzero, b.pfrb_size);
391 if (opts & PF_OPT_VERBOSE)
392 PFRB_FOREACH(a, &b)
393 if (opts & PF_OPT_VERBOSE2 ||
394 a->pfra_fback != PFR_FB_NONE)
395 print_addrx(a, NULL,
396 opts & PF_OPT_USEDNS);
397 } else if (!strcmp(command, "zero")) {
398 flags |= PFR_FLAG_ADDRSTOO;
399 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags));
400 xprintf(opts, "%d table/stats cleared", nzero);
401 } else
402 warnx("pfctl_table: unknown command '%s'", command);
403 goto _cleanup;
404
405 _error:
406 rv = -1;
407 _cleanup:
408 pfr_buf_clear(&b);
409 pfr_buf_clear(&b2);
410 return (rv);
411 }
412
413 void
print_table(const struct pfr_table * ta,int verbose,int debug)414 print_table(const struct pfr_table *ta, int verbose, int debug)
415 {
416 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE))
417 return;
418 if (verbose) {
419 printf("%c%c%c%c%c%c%c\t%s",
420 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-',
421 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-',
422 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-',
423 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-',
424 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-',
425 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-',
426 (ta->pfrt_flags & PFR_TFLAG_COUNTERS) ? 'C' : '-',
427 ta->pfrt_name);
428 if (ta->pfrt_anchor[0])
429 printf("\t%s", ta->pfrt_anchor);
430 puts("");
431 } else
432 puts(ta->pfrt_name);
433 }
434
435 int
print_tstats(const struct pfr_tstats * ts,int debug)436 print_tstats(const struct pfr_tstats *ts, int debug)
437 {
438 time_t time = ts->pfrts_tzero;
439 int dir, op;
440
441 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE))
442 return (0);
443 print_table(&ts->pfrts_t, 1, debug);
444 printf("\tAddresses: %d\n", ts->pfrts_cnt);
445 printf("\tCleared: %s", ctime(&time));
446 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n",
447 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR],
448 ts->pfrts_refcnt[PFR_REFCNT_RULE]);
449 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n",
450 (unsigned long long)ts->pfrts_nomatch,
451 (unsigned long long)ts->pfrts_match);
452 for (dir = 0; dir < PFR_DIR_MAX; dir++)
453 for (op = 0; op < PFR_OP_TABLE_MAX; op++)
454 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
455 stats_text[dir][op],
456 (unsigned long long)ts->pfrts_packets[dir][op],
457 (unsigned long long)ts->pfrts_bytes[dir][op]);
458
459 return (0);
460 }
461
462 int
load_addr(struct pfr_buffer * b,int argc,char * argv[],char * file,int nonetwork)463 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file,
464 int nonetwork)
465 {
466 while (argc--)
467 if (append_addr(b, *argv++, nonetwork)) {
468 if (errno)
469 warn("cannot decode %s", argv[-1]);
470 return (-1);
471 }
472 if (pfr_buf_load(b, file, nonetwork, append_addr)) {
473 warn("cannot load %s", file);
474 return (-1);
475 }
476 return (0);
477 }
478
479 void
print_addrx(struct pfr_addr * ad,struct pfr_addr * rad,int dns)480 print_addrx(struct pfr_addr *ad, struct pfr_addr *rad, int dns)
481 {
482 char ch, buf[256] = "{error}";
483 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y', ' ' };
484 unsigned int fback, hostnet;
485
486 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback;
487 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?';
488 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32;
489 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf));
490 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf);
491 if (ad->pfra_net < hostnet)
492 printf("/%d", ad->pfra_net);
493 if (rad != NULL && fback != PFR_FB_NONE) {
494 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf))
495 errx(1, "print_addrx: strlcpy");
496 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf));
497 printf("\t%c%s", (rad->pfra_not?'!':' '), buf);
498 if (rad->pfra_net < hostnet)
499 printf("/%d", rad->pfra_net);
500 }
501 if (rad != NULL && fback == PFR_FB_NONE)
502 printf("\t nomatch");
503 if (dns && ad->pfra_net == hostnet) {
504 char host[NI_MAXHOST];
505 struct sockaddr_storage ss;
506
507 strlcpy(host, "?", sizeof(host));
508 bzero(&ss, sizeof(ss));
509 ss.ss_family = ad->pfra_af;
510 if (ss.ss_family == AF_INET) {
511 struct sockaddr_in *sin = (struct sockaddr_in *)&ss;
512
513 sin->sin_len = sizeof(*sin);
514 sin->sin_addr = ad->pfra_ip4addr;
515 } else {
516 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&ss;
517
518 sin6->sin6_len = sizeof(*sin6);
519 sin6->sin6_addr = ad->pfra_ip6addr;
520 }
521 if (getnameinfo((struct sockaddr *)&ss, ss.ss_len, host,
522 sizeof(host), NULL, 0, NI_NAMEREQD) == 0)
523 printf("\t(%s)", host);
524 }
525 printf("\n");
526 }
527
528 int
nonzero_astats(struct pfr_astats * as)529 nonzero_astats(struct pfr_astats *as)
530 {
531 uint64_t s = 0;
532
533 for (int dir = 0; dir < PFR_DIR_MAX; dir++)
534 for (int op = 0; op < PFR_OP_ADDR_MAX; op++)
535 s |= as->pfras_packets[dir][op] |
536 as->pfras_bytes[dir][op];
537
538 return (!!s);
539 }
540
541 void
print_astats(struct pfr_astats * as,int dns)542 print_astats(struct pfr_astats *as, int dns)
543 {
544 time_t time = as->pfras_tzero;
545 int dir, op;
546
547 print_addrx(&as->pfras_a, NULL, dns);
548 printf("\tCleared: %s", ctime(&time));
549 if (as->pfras_a.pfra_fback == PFR_FB_NOCOUNT)
550 return;
551 for (dir = 0; dir < PFR_DIR_MAX; dir++)
552 for (op = 0; op < PFR_OP_ADDR_MAX; op++)
553 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
554 stats_text[dir][op],
555 (unsigned long long)as->pfras_packets[dir][op],
556 (unsigned long long)as->pfras_bytes[dir][op]);
557 }
558
559 void
radix_perror(void)560 radix_perror(void)
561 {
562 extern char *__progname;
563 fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno));
564 }
565
566 int
pfctl_define_table(char * name,int flags,int addrs,const char * anchor,struct pfr_buffer * ab,u_int32_t ticket)567 pfctl_define_table(char *name, int flags, int addrs, const char *anchor,
568 struct pfr_buffer *ab, u_int32_t ticket)
569 {
570 struct pfr_table tbl;
571
572 bzero(&tbl, sizeof(tbl));
573 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >=
574 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor,
575 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor))
576 errx(1, "pfctl_define_table: strlcpy");
577 tbl.pfrt_flags = flags;
578
579 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL,
580 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0);
581 }
582
583 void
warn_namespace_collision(const char * filter)584 warn_namespace_collision(const char *filter)
585 {
586 struct pfr_buffer b;
587 struct pfr_table *t;
588 const char *name = NULL, *lastcoll;
589 int coll = 0;
590
591 bzero(&b, sizeof(b));
592 b.pfrb_type = PFRB_TABLES;
593 for (;;) {
594 pfr_buf_grow(&b, b.pfrb_size);
595 b.pfrb_size = b.pfrb_msize;
596 if (pfr_get_tables(NULL, b.pfrb_caddr,
597 &b.pfrb_size, PFR_FLAG_ALLRSETS))
598 err(1, "pfr_get_tables");
599 if (b.pfrb_size <= b.pfrb_msize)
600 break;
601 }
602 PFRB_FOREACH(t, &b) {
603 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE))
604 continue;
605 if (filter != NULL && strcmp(filter, t->pfrt_name))
606 continue;
607 if (!t->pfrt_anchor[0])
608 name = t->pfrt_name;
609 else if (name != NULL && !strcmp(name, t->pfrt_name)) {
610 coll++;
611 lastcoll = name;
612 name = NULL;
613 }
614 }
615 if (coll == 1)
616 warnx("warning: namespace collision with <%s> global table.",
617 lastcoll);
618 else if (coll > 1)
619 warnx("warning: namespace collisions with %d global tables.",
620 coll);
621 pfr_buf_clear(&b);
622 }
623
624 void
xprintf(int opts,const char * fmt,...)625 xprintf(int opts, const char *fmt, ...)
626 {
627 va_list args;
628
629 if (opts & PF_OPT_QUIET)
630 return;
631
632 va_start(args, fmt);
633 vfprintf(stderr, fmt, args);
634 va_end(args);
635
636 if (opts & PF_OPT_DUMMYACTION)
637 fprintf(stderr, " (dummy).\n");
638 else if (opts & PF_OPT_NOACTION)
639 fprintf(stderr, " (syntax only).\n");
640 else
641 fprintf(stderr, ".\n");
642 }
643
644
645 /* interface stuff */
646
647 int
pfctl_show_ifaces(const char * filter,int opts)648 pfctl_show_ifaces(const char *filter, int opts)
649 {
650 struct pfr_buffer b;
651 struct pfi_kif *p;
652
653 bzero(&b, sizeof(b));
654 b.pfrb_type = PFRB_IFACES;
655 for (;;) {
656 pfr_buf_grow(&b, b.pfrb_size);
657 b.pfrb_size = b.pfrb_msize;
658 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) {
659 radix_perror();
660 return (1);
661 }
662 if (b.pfrb_size <= b.pfrb_msize)
663 break;
664 }
665 if (opts & PF_OPT_SHOWALL)
666 pfctl_print_title("INTERFACES:");
667 PFRB_FOREACH(p, &b)
668 print_iface(p, opts);
669 return (0);
670 }
671
672 void
print_iface(struct pfi_kif * p,int opts)673 print_iface(struct pfi_kif *p, int opts)
674 {
675 time_t tzero = p->pfik_tzero;
676 int i, af, dir, act;
677
678 printf("%s", p->pfik_name);
679 if (opts & PF_OPT_VERBOSE) {
680 if (p->pfik_flags & PFI_IFLAG_SKIP)
681 printf(" (skip)");
682 }
683 printf("\n");
684
685 if (!(opts & PF_OPT_VERBOSE2))
686 return;
687 printf("\tCleared: %s", ctime(&tzero));
688 printf("\tReferences: %-18d\n", p->pfik_rulerefs);
689 for (i = 0; i < 8; i++) {
690 af = (i>>2) & 1;
691 dir = (i>>1) &1;
692 act = i & 1;
693 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
694 istats_text[af][dir][act],
695 (unsigned long long)p->pfik_packets[af][dir][act],
696 (unsigned long long)p->pfik_bytes[af][dir][act]);
697 }
698 }
699