1 /* $OpenBSD: pfctl_table.c,v 1.59 2004/03/15 15:25:44 dhartmei 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/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 *, const char *, int);
57 static void print_table(struct pfr_table *, int, int);
58 static void print_tstats(struct pfr_tstats *, int);
59 static int load_addr(struct pfr_buffer *, int, char *[], char *, int);
60 static void print_addrx(struct pfr_addr *, struct pfr_addr *, int);
61 static void print_astats(struct pfr_astats *, int);
62 static void radix_perror(void);
63 static void xprintf(int, const char *, ...);
64 static void print_iface(struct pfi_if *, int);
65 static void oprintf(int, int, const char *, int *, 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 RVTEST(pfr_add_tables(&table, 1, &nadd, flags)); \
89 if (nadd) { \
90 warn_namespace_collision(table.pfrt_name); \
91 xprintf(opts, "%d table created", nadd); \
92 if (opts & PF_OPT_NOACTION) \
93 return (0); \
94 } \
95 table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \
96 } while(0)
97
98 int
pfctl_clear_tables(const char * anchor,const char * ruleset,int opts)99 pfctl_clear_tables(const char *anchor, const char *ruleset, int opts)
100 {
101 return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, ruleset, opts);
102 }
103
104 int
pfctl_show_tables(const char * anchor,const char * ruleset,int opts)105 pfctl_show_tables(const char *anchor, const char *ruleset, int opts)
106 {
107 return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, ruleset, opts);
108 }
109
110 int
pfctl_command_tables(int argc,char * argv[],char * tname,const char * command,char * file,const char * anchor,const char * ruleset,int opts)111 pfctl_command_tables(int argc, char *argv[], char *tname,
112 const char *command, char *file, const char *anchor, const char *ruleset,
113 int opts)
114 {
115 if (tname == NULL || command == NULL)
116 usage();
117 return pfctl_table(argc, argv, tname, command, file, anchor, ruleset,
118 opts);
119 }
120
121 int
pfctl_table(int argc,char * argv[],char * tname,const char * command,char * file,const char * anchor,const char * ruleset,int opts)122 pfctl_table(int argc, char *argv[], char *tname, const char *command,
123 char *file, const char *anchor, const char *ruleset, int opts)
124 {
125 struct pfr_table table;
126 struct pfr_buffer b, b2;
127 struct pfr_addr *a, *a2;
128 int nadd = 0, ndel = 0, nchange = 0, nzero = 0;
129 int rv = 0, flags = 0, nmatch = 0;
130 void *p;
131
132 if (command == NULL)
133 usage();
134 if (opts & PF_OPT_NOACTION)
135 flags |= PFR_FLAG_DUMMY;
136
137 bzero(&b, sizeof(b));
138 bzero(&b2, sizeof(b2));
139 bzero(&table, sizeof(table));
140 if (tname != NULL) {
141 if (strlen(tname) >= PF_TABLE_NAME_SIZE)
142 usage();
143 if (strlcpy(table.pfrt_name, tname,
144 sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name))
145 errx(1, "pfctl_table: strlcpy");
146 }
147 if (strlcpy(table.pfrt_anchor, anchor,
148 sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor) ||
149 strlcpy(table.pfrt_ruleset, ruleset,
150 sizeof(table.pfrt_ruleset)) >= sizeof(table.pfrt_ruleset))
151 errx(1, "pfctl_table: strlcpy");
152
153 if (!strcmp(command, "-F")) {
154 if (argc || file != NULL)
155 usage();
156 RVTEST(pfr_clr_tables(&table, &ndel, flags));
157 xprintf(opts, "%d tables deleted", ndel);
158 } else if (!strcmp(command, "-s")) {
159 b.pfrb_type = (opts & PF_OPT_VERBOSE2) ?
160 PFRB_TSTATS : PFRB_TABLES;
161 if (argc || file != NULL)
162 usage();
163 for (;;) {
164 pfr_buf_grow(&b, b.pfrb_size);
165 b.pfrb_size = b.pfrb_msize;
166 if (opts & PF_OPT_VERBOSE2)
167 RVTEST(pfr_get_tstats(&table,
168 b.pfrb_caddr, &b.pfrb_size, flags));
169 else
170 RVTEST(pfr_get_tables(&table,
171 b.pfrb_caddr, &b.pfrb_size, flags));
172 if (b.pfrb_size <= b.pfrb_msize)
173 break;
174 }
175
176 if (opts & PF_OPT_SHOWALL && b.pfrb_size > 0)
177 pfctl_print_title("TABLES:");
178
179 PFRB_FOREACH(p, &b)
180 if (opts & PF_OPT_VERBOSE2)
181 print_tstats(p, opts & PF_OPT_DEBUG);
182 else
183 print_table(p, opts & PF_OPT_VERBOSE,
184 opts & PF_OPT_DEBUG);
185 } else if (!strcmp(command, "kill")) {
186 if (argc || file != NULL)
187 usage();
188 RVTEST(pfr_del_tables(&table, 1, &ndel, flags));
189 xprintf(opts, "%d table deleted", ndel);
190 } else if (!strcmp(command, "flush")) {
191 if (argc || file != NULL)
192 usage();
193 RVTEST(pfr_clr_addrs(&table, &ndel, flags));
194 xprintf(opts, "%d addresses deleted", ndel);
195 } else if (!strcmp(command, "add")) {
196 b.pfrb_type = PFRB_ADDRS;
197 if (load_addr(&b, argc, argv, file, 0))
198 goto _error;
199 CREATE_TABLE;
200 if (opts & PF_OPT_VERBOSE)
201 flags |= PFR_FLAG_FEEDBACK;
202 RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size,
203 &nadd, flags));
204 xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size);
205 if (opts & PF_OPT_VERBOSE)
206 PFRB_FOREACH(a, &b)
207 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
208 print_addrx(a, NULL,
209 opts & PF_OPT_USEDNS);
210 } else if (!strcmp(command, "delete")) {
211 b.pfrb_type = PFRB_ADDRS;
212 if (load_addr(&b, argc, argv, file, 0))
213 goto _error;
214 if (opts & PF_OPT_VERBOSE)
215 flags |= PFR_FLAG_FEEDBACK;
216 RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size,
217 &ndel, flags));
218 xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size);
219 if (opts & PF_OPT_VERBOSE)
220 PFRB_FOREACH(a, &b)
221 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
222 print_addrx(a, NULL,
223 opts & PF_OPT_USEDNS);
224 } else if (!strcmp(command, "replace")) {
225 b.pfrb_type = PFRB_ADDRS;
226 if (load_addr(&b, argc, argv, file, 0))
227 goto _error;
228 CREATE_TABLE;
229 if (opts & PF_OPT_VERBOSE)
230 flags |= PFR_FLAG_FEEDBACK;
231 for (;;) {
232 int sz2 = b.pfrb_msize;
233
234 RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size,
235 &sz2, &nadd, &ndel, &nchange, flags));
236 if (sz2 <= b.pfrb_msize) {
237 b.pfrb_size = sz2;
238 break;
239 } else
240 pfr_buf_grow(&b, sz2);
241 }
242 if (nadd)
243 xprintf(opts, "%d addresses added", nadd);
244 if (ndel)
245 xprintf(opts, "%d addresses deleted", ndel);
246 if (nchange)
247 xprintf(opts, "%d addresses changed", nchange);
248 if (!nadd && !ndel && !nchange)
249 xprintf(opts, "no changes");
250 if (opts & PF_OPT_VERBOSE)
251 PFRB_FOREACH(a, &b)
252 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
253 print_addrx(a, NULL,
254 opts & PF_OPT_USEDNS);
255 } else if (!strcmp(command, "show")) {
256 b.pfrb_type = (opts & PF_OPT_VERBOSE) ?
257 PFRB_ASTATS : PFRB_ADDRS;
258 if (argc || file != NULL)
259 usage();
260 for (;;) {
261 pfr_buf_grow(&b, b.pfrb_size);
262 b.pfrb_size = b.pfrb_msize;
263 if (opts & PF_OPT_VERBOSE)
264 RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
265 &b.pfrb_size, flags));
266 else
267 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr,
268 &b.pfrb_size, flags));
269 if (b.pfrb_size <= b.pfrb_msize)
270 break;
271 }
272 PFRB_FOREACH(p, &b)
273 if (opts & PF_OPT_VERBOSE)
274 print_astats(p, opts & PF_OPT_USEDNS);
275 else
276 print_addrx(p, NULL, opts & PF_OPT_USEDNS);
277 } else if (!strcmp(command, "test")) {
278 b.pfrb_type = PFRB_ADDRS;
279 b2.pfrb_type = PFRB_ADDRS;
280
281 if (load_addr(&b, argc, argv, file, 1))
282 goto _error;
283 if (opts & PF_OPT_VERBOSE2) {
284 flags |= PFR_FLAG_REPLACE;
285 PFRB_FOREACH(a, &b)
286 if (pfr_buf_add(&b2, a))
287 err(1, "duplicate buffer");
288 }
289 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size,
290 &nmatch, flags));
291 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size);
292 if (opts & PF_OPT_VERBOSE && !(opts & PF_OPT_VERBOSE2))
293 PFRB_FOREACH(a, &b)
294 if (a->pfra_fback == PFR_FB_MATCH)
295 print_addrx(a, NULL,
296 opts & PF_OPT_USEDNS);
297 if (opts & PF_OPT_VERBOSE2) {
298 a2 = NULL;
299 PFRB_FOREACH(a, &b) {
300 a2 = pfr_buf_next(&b2, a2);
301 print_addrx(a2, a, opts & PF_OPT_USEDNS);
302 }
303 }
304 if (nmatch < b.pfrb_size)
305 rv = 2;
306 } else if (!strcmp(command, "zero")) {
307 if (argc || file != NULL)
308 usage();
309 flags |= PFR_FLAG_ADDRSTOO;
310 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags));
311 xprintf(opts, "%d table/stats cleared", nzero);
312 } else
313 warnx("pfctl_table: unknown command '%s'", command);
314 goto _cleanup;
315
316 _error:
317 rv = -1;
318 _cleanup:
319 pfr_buf_clear(&b);
320 pfr_buf_clear(&b2);
321 return (rv);
322 }
323
324 void
print_table(struct pfr_table * ta,int verbose,int debug)325 print_table(struct pfr_table *ta, int verbose, int debug)
326 {
327 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE))
328 return;
329 if (verbose) {
330 printf("%c%c%c%c%c%c\t%s",
331 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-',
332 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-',
333 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-',
334 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-',
335 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-',
336 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-',
337 ta->pfrt_name);
338 if (ta->pfrt_anchor[0])
339 printf("\t%s", ta->pfrt_anchor);
340 if (ta->pfrt_ruleset[0])
341 printf(":%s", ta->pfrt_ruleset);
342 puts("");
343 } else
344 puts(ta->pfrt_name);
345 }
346
347 void
print_tstats(struct pfr_tstats * ts,int debug)348 print_tstats(struct pfr_tstats *ts, int debug)
349 {
350 time_t time = ts->pfrts_tzero;
351 int dir, op;
352
353 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE))
354 return;
355 print_table(&ts->pfrts_t, 1, debug);
356 printf("\tAddresses: %d\n", ts->pfrts_cnt);
357 printf("\tCleared: %s", ctime(&time));
358 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n",
359 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR],
360 ts->pfrts_refcnt[PFR_REFCNT_RULE]);
361 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n",
362 (unsigned long long)ts->pfrts_nomatch,
363 (unsigned long long)ts->pfrts_match);
364 for (dir = 0; dir < PFR_DIR_MAX; dir++)
365 for (op = 0; op < PFR_OP_TABLE_MAX; op++)
366 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
367 stats_text[dir][op],
368 (unsigned long long)ts->pfrts_packets[dir][op],
369 (unsigned long long)ts->pfrts_bytes[dir][op]);
370 }
371
372 int
load_addr(struct pfr_buffer * b,int argc,char * argv[],char * file,int nonetwork)373 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file,
374 int nonetwork)
375 {
376 while (argc--)
377 if (append_addr(b, *argv++, nonetwork)) {
378 if (errno)
379 warn("cannot decode %s", argv[-1]);
380 return (-1);
381 }
382 if (pfr_buf_load(b, file, nonetwork, append_addr)) {
383 warn("cannot load %s", file);
384 return (-1);
385 }
386 return (0);
387 }
388
389 void
print_addrx(struct pfr_addr * ad,struct pfr_addr * rad,int dns)390 print_addrx(struct pfr_addr *ad, struct pfr_addr *rad, int dns)
391 {
392 char ch, buf[256] = "{error}";
393 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y' };
394 unsigned int fback, hostnet;
395
396 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback;
397 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?';
398 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32;
399 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf));
400 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf);
401 if (ad->pfra_net < hostnet)
402 printf("/%d", ad->pfra_net);
403 if (rad != NULL && fback != PFR_FB_NONE) {
404 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf))
405 errx(1, "print_addrx: strlcpy");
406 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf));
407 printf("\t%c%s", (rad->pfra_not?'!':' '), buf);
408 if (rad->pfra_net < hostnet)
409 printf("/%d", rad->pfra_net);
410 }
411 if (rad != NULL && fback == PFR_FB_NONE)
412 printf("\t nomatch");
413 if (dns && ad->pfra_net == hostnet) {
414 char host[NI_MAXHOST];
415 union sockaddr_union sa;
416
417 strlcpy(host, "?", sizeof(host));
418 bzero(&sa, sizeof(sa));
419 sa.sa.sa_family = ad->pfra_af;
420 if (sa.sa.sa_family == AF_INET) {
421 sa.sa.sa_len = sizeof(sa.sin);
422 sa.sin.sin_addr = ad->pfra_ip4addr;
423 } else {
424 sa.sa.sa_len = sizeof(sa.sin6);
425 sa.sin6.sin6_addr = ad->pfra_ip6addr;
426 }
427 if (getnameinfo(&sa.sa, sa.sa.sa_len, host, sizeof(host),
428 NULL, 0, NI_NAMEREQD) == 0)
429 printf("\t(%s)", host);
430 }
431 printf("\n");
432 }
433
434 void
print_astats(struct pfr_astats * as,int dns)435 print_astats(struct pfr_astats *as, int dns)
436 {
437 time_t time = as->pfras_tzero;
438 int dir, op;
439
440 print_addrx(&as->pfras_a, NULL, dns);
441 printf("\tCleared: %s", ctime(&time));
442 for (dir = 0; dir < PFR_DIR_MAX; dir++)
443 for (op = 0; op < PFR_OP_ADDR_MAX; op++)
444 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
445 stats_text[dir][op],
446 (unsigned long long)as->pfras_packets[dir][op],
447 (unsigned long long)as->pfras_bytes[dir][op]);
448 }
449
450 void
radix_perror(void)451 radix_perror(void)
452 {
453 extern char *__progname;
454 fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno));
455 }
456
457 int
pfctl_define_table(char * name,int flags,int addrs,const char * anchor,const char * ruleset,struct pfr_buffer * ab,u_int32_t ticket)458 pfctl_define_table(char *name, int flags, int addrs, const char *anchor,
459 const char *ruleset, struct pfr_buffer *ab, u_int32_t ticket)
460 {
461 struct pfr_table tbl;
462
463 bzero(&tbl, sizeof(tbl));
464 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >=
465 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor,
466 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor) ||
467 strlcpy(tbl.pfrt_ruleset, ruleset, sizeof(tbl.pfrt_ruleset)) >=
468 sizeof(tbl.pfrt_ruleset))
469 errx(1, "pfctl_define_table: strlcpy");
470 tbl.pfrt_flags = flags;
471
472 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL,
473 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0);
474 }
475
476 void
warn_namespace_collision(const char * filter)477 warn_namespace_collision(const char *filter)
478 {
479 struct pfr_buffer b;
480 struct pfr_table *t;
481 const char *name = NULL, *lastcoll;
482 int coll = 0;
483
484 bzero(&b, sizeof(b));
485 b.pfrb_type = PFRB_TABLES;
486 for (;;) {
487 pfr_buf_grow(&b, b.pfrb_size);
488 b.pfrb_size = b.pfrb_msize;
489 if (pfr_get_tables(NULL, b.pfrb_caddr,
490 &b.pfrb_size, PFR_FLAG_ALLRSETS))
491 err(1, "pfr_get_tables");
492 if (b.pfrb_size <= b.pfrb_msize)
493 break;
494 }
495 PFRB_FOREACH(t, &b) {
496 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE))
497 continue;
498 if (filter != NULL && strcmp(filter, t->pfrt_name))
499 continue;
500 if (!t->pfrt_anchor[0])
501 name = t->pfrt_name;
502 else if (name != NULL && !strcmp(name, t->pfrt_name)) {
503 coll++;
504 lastcoll = name;
505 name = NULL;
506 }
507 }
508 if (coll == 1)
509 warnx("warning: namespace collision with <%s> global table.",
510 lastcoll);
511 else if (coll > 1)
512 warnx("warning: namespace collisions with %d global tables.",
513 coll);
514 pfr_buf_clear(&b);
515 }
516
517 void
xprintf(int opts,const char * fmt,...)518 xprintf(int opts, const char *fmt, ...)
519 {
520 va_list args;
521
522 if (opts & PF_OPT_QUIET)
523 return;
524
525 va_start(args, fmt);
526 vfprintf(stderr, fmt, args);
527 va_end(args);
528
529 if (opts & PF_OPT_DUMMYACTION)
530 fprintf(stderr, " (dummy).\n");
531 else if (opts & PF_OPT_NOACTION)
532 fprintf(stderr, " (syntax only).\n");
533 else
534 fprintf(stderr, ".\n");
535 }
536
537
538 /* interface stuff */
539
540 int
pfctl_show_ifaces(const char * filter,int opts)541 pfctl_show_ifaces(const char *filter, int opts)
542 {
543 struct pfr_buffer b;
544 struct pfi_if *p;
545 int i = 0, f = PFI_FLAG_GROUP|PFI_FLAG_INSTANCE;
546
547 if (filter != NULL && *filter && !isdigit(filter[strlen(filter)-1]))
548 f &= ~PFI_FLAG_INSTANCE;
549 bzero(&b, sizeof(b));
550 b.pfrb_type = PFRB_IFACES;
551 for (;;) {
552 pfr_buf_grow(&b, b.pfrb_size);
553 b.pfrb_size = b.pfrb_msize;
554 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size, f)) {
555 radix_perror();
556 return (1);
557 }
558 if (b.pfrb_size <= b.pfrb_msize)
559 break;
560 i++;
561 }
562 if (opts & PF_OPT_SHOWALL)
563 pfctl_print_title("INTERFACES:");
564 PFRB_FOREACH(p, &b)
565 print_iface(p, opts);
566 return (0);
567 }
568
569 void
print_iface(struct pfi_if * p,int opts)570 print_iface(struct pfi_if *p, int opts)
571 {
572 time_t tzero = p->pfif_tzero;
573 int flags = (opts & PF_OPT_VERBOSE) ? p->pfif_flags : 0;
574 int first = 1;
575 int i, af, dir, act;
576
577 printf("%s", p->pfif_name);
578 oprintf(flags, PFI_IFLAG_INSTANCE, "instance", &first, 0);
579 oprintf(flags, PFI_IFLAG_GROUP, "group", &first, 0);
580 oprintf(flags, PFI_IFLAG_CLONABLE, "clonable", &first, 0);
581 oprintf(flags, PFI_IFLAG_DYNAMIC, "dynamic", &first, 0);
582 oprintf(flags, PFI_IFLAG_ATTACHED, "attached", &first, 1);
583 printf("\n");
584
585 if (!(opts & PF_OPT_VERBOSE2))
586 return;
587 printf("\tCleared: %s", ctime(&tzero));
588 printf("\tReferences: [ States: %-18d Rules: %-18d ]\n",
589 p->pfif_states, p->pfif_rules);
590 for (i = 0; i < 8; i++) {
591 af = (i>>2) & 1;
592 dir = (i>>1) &1;
593 act = i & 1;
594 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
595 istats_text[af][dir][act],
596 (unsigned long long)p->pfif_packets[af][dir][act],
597 (unsigned long long)p->pfif_bytes[af][dir][act]);
598 }
599 }
600
601 void
oprintf(int flags,int flag,const char * s,int * first,int last)602 oprintf(int flags, int flag, const char *s, int *first, int last)
603 {
604 if (flags & flag) {
605 printf(*first ? "\t(%s" : ", %s", s);
606 *first = 0;
607 }
608 if (last && !*first)
609 printf(")");
610 }
611
612