1 /* $OpenBSD: pfctl_table.c,v 1.59 2004/03/15 15:25:44 dhartmei Exp $ */ 2 /* $DragonFly: src/usr.sbin/pfctl/pfctl_table.c,v 1.1 2004/09/21 21:25:28 joerg 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/pf/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 *, const char *, int); 58 static void print_table(const struct pfr_table *, int, int); 59 static void print_tstats(const struct pfr_tstats *, int); 60 static int load_addr(struct pfr_buffer *, int, char *[], char *, int); 61 static void print_addrx(const struct pfr_addr *, const struct pfr_addr *, 62 int); 63 static void print_astats(const struct pfr_astats *, int); 64 static void radix_perror(void); 65 static void xprintf(int, const char *, ...); 66 static void print_iface(const struct pfi_if *, int); 67 static void oprintf(int, int, const char *, int *, int); 68 69 static const char *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = { 70 { "In/Block:", "In/Pass:", "In/XPass:" }, 71 { "Out/Block:", "Out/Pass:", "Out/XPass:" } 72 }; 73 74 static const char *istats_text[2][2][2] = { 75 { { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } }, 76 { { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } } 77 }; 78 79 #define RVTEST(fct) do { \ 80 if ((!(opts & PF_OPT_NOACTION) || \ 81 (opts & PF_OPT_DUMMYACTION)) && \ 82 (fct)) { \ 83 radix_perror(); \ 84 goto _error; \ 85 } \ 86 } while (0) 87 88 #define CREATE_TABLE do { \ 89 table.pfrt_flags |= PFR_TFLAG_PERSIST; \ 90 RVTEST(pfr_add_tables(&table, 1, &nadd, flags)); \ 91 if (nadd) { \ 92 warn_namespace_collision(table.pfrt_name); \ 93 xprintf(opts, "%d table created", nadd); \ 94 if (opts & PF_OPT_NOACTION) \ 95 return (0); \ 96 } \ 97 table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \ 98 } while(0) 99 100 int 101 pfctl_clear_tables(const char *anchor, const char *ruleset, int opts) 102 { 103 return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, ruleset, opts); 104 } 105 106 int 107 pfctl_show_tables(const char *anchor, const char *ruleset, int opts) 108 { 109 return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, ruleset, opts); 110 } 111 112 int 113 pfctl_command_tables(int argc, char *argv[], char *tname, 114 const char *command, char *file, const char *anchor, const char *ruleset, 115 int opts) 116 { 117 if (tname == NULL || command == NULL) 118 usage(); 119 return pfctl_table(argc, argv, tname, command, file, anchor, ruleset, 120 opts); 121 } 122 123 int 124 pfctl_table(int argc, char *argv[], char *tname, const char *command, 125 char *file, const char *anchor, const char *ruleset, int opts) 126 { 127 struct pfr_table table; 128 struct pfr_buffer b, b2; 129 const struct pfr_addr *a, *a2; 130 int nadd = 0, ndel = 0, nchange = 0, nzero = 0; 131 int rv = 0, flags = 0, nmatch = 0; 132 const void *p; 133 134 if (command == NULL) 135 usage(); 136 if (opts & PF_OPT_NOACTION) 137 flags |= PFR_FLAG_DUMMY; 138 139 bzero(&b, sizeof(b)); 140 bzero(&b2, sizeof(b2)); 141 bzero(&table, sizeof(table)); 142 if (tname != NULL) { 143 if (strlen(tname) >= PF_TABLE_NAME_SIZE) 144 usage(); 145 if (strlcpy(table.pfrt_name, tname, 146 sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name)) 147 errx(1, "pfctl_table: strlcpy"); 148 } 149 if (strlcpy(table.pfrt_anchor, anchor, 150 sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor) || 151 strlcpy(table.pfrt_ruleset, ruleset, 152 sizeof(table.pfrt_ruleset)) >= sizeof(table.pfrt_ruleset)) 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, "show")) { 258 b.pfrb_type = (opts & PF_OPT_VERBOSE) ? 259 PFRB_ASTATS : PFRB_ADDRS; 260 if (argc || file != NULL) 261 usage(); 262 for (;;) { 263 pfr_buf_grow(&b, b.pfrb_size); 264 b.pfrb_size = b.pfrb_msize; 265 if (opts & PF_OPT_VERBOSE) 266 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 267 &b.pfrb_size, flags)); 268 else 269 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr, 270 &b.pfrb_size, flags)); 271 if (b.pfrb_size <= b.pfrb_msize) 272 break; 273 } 274 PFRB_FOREACH(p, &b) 275 if (opts & PF_OPT_VERBOSE) 276 print_astats(p, opts & PF_OPT_USEDNS); 277 else 278 print_addrx(p, NULL, opts & PF_OPT_USEDNS); 279 } else if (!strcmp(command, "test")) { 280 b.pfrb_type = PFRB_ADDRS; 281 b2.pfrb_type = PFRB_ADDRS; 282 283 if (load_addr(&b, argc, argv, file, 1)) 284 goto _error; 285 if (opts & PF_OPT_VERBOSE2) { 286 flags |= PFR_FLAG_REPLACE; 287 PFRB_FOREACH(a, &b) 288 if (pfr_buf_add(&b2, a)) 289 err(1, "duplicate buffer"); 290 } 291 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size, 292 &nmatch, flags)); 293 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size); 294 if (opts & PF_OPT_VERBOSE && !(opts & PF_OPT_VERBOSE2)) 295 PFRB_FOREACH(a, &b) 296 if (a->pfra_fback == PFR_FB_MATCH) 297 print_addrx(a, NULL, 298 opts & PF_OPT_USEDNS); 299 if (opts & PF_OPT_VERBOSE2) { 300 a2 = NULL; 301 PFRB_FOREACH(a, &b) { 302 a2 = pfr_buf_next(&b2, a2); 303 print_addrx(a2, a, opts & PF_OPT_USEDNS); 304 } 305 } 306 if (nmatch < b.pfrb_size) 307 rv = 2; 308 } else if (!strcmp(command, "zero")) { 309 if (argc || file != NULL) 310 usage(); 311 flags |= PFR_FLAG_ADDRSTOO; 312 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags)); 313 xprintf(opts, "%d table/stats cleared", nzero); 314 } else 315 warnx("pfctl_table: unknown command '%s'", command); 316 goto _cleanup; 317 318 _error: 319 rv = -1; 320 _cleanup: 321 pfr_buf_clear(&b); 322 pfr_buf_clear(&b2); 323 return (rv); 324 } 325 326 void 327 print_table(const struct pfr_table *ta, int verbose, int debug) 328 { 329 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE)) 330 return; 331 if (verbose) { 332 printf("%c%c%c%c%c%c\t%s", 333 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-', 334 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-', 335 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-', 336 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-', 337 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-', 338 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-', 339 ta->pfrt_name); 340 if (ta->pfrt_anchor[0]) 341 printf("\t%s", ta->pfrt_anchor); 342 if (ta->pfrt_ruleset[0]) 343 printf(":%s", ta->pfrt_ruleset); 344 puts(""); 345 } else 346 puts(ta->pfrt_name); 347 } 348 349 void 350 print_tstats(const struct pfr_tstats *ts, int debug) 351 { 352 time_t rtime = ts->pfrts_tzero; 353 int dir, op; 354 355 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE)) 356 return; 357 print_table(&ts->pfrts_t, 1, debug); 358 printf("\tAddresses: %d\n", ts->pfrts_cnt); 359 printf("\tCleared: %s", ctime(&rtime)); 360 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n", 361 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR], 362 ts->pfrts_refcnt[PFR_REFCNT_RULE]); 363 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n", 364 (unsigned long long)ts->pfrts_nomatch, 365 (unsigned long long)ts->pfrts_match); 366 for (dir = 0; dir < PFR_DIR_MAX; dir++) 367 for (op = 0; op < PFR_OP_TABLE_MAX; op++) 368 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 369 stats_text[dir][op], 370 (unsigned long long)ts->pfrts_packets[dir][op], 371 (unsigned long long)ts->pfrts_bytes[dir][op]); 372 } 373 374 int 375 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file, 376 int nonetwork) 377 { 378 while (argc--) 379 if (append_addr(b, *argv++, nonetwork)) { 380 if (errno) 381 warn("cannot decode %s", argv[-1]); 382 return (-1); 383 } 384 if (pfr_buf_load(b, file, nonetwork, append_addr)) { 385 warn("cannot load %s", file); 386 return (-1); 387 } 388 return (0); 389 } 390 391 void 392 print_addrx(const struct pfr_addr *ad, const struct pfr_addr *rad, int dns) 393 { 394 char ch, buf[256] = "{error}"; 395 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y' }; 396 unsigned int fback, hostnet; 397 398 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback; 399 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?'; 400 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32; 401 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf)); 402 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf); 403 if (ad->pfra_net < hostnet) 404 printf("/%d", ad->pfra_net); 405 if (rad != NULL && fback != PFR_FB_NONE) { 406 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf)) 407 errx(1, "print_addrx: strlcpy"); 408 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf)); 409 printf("\t%c%s", (rad->pfra_not?'!':' '), buf); 410 if (rad->pfra_net < hostnet) 411 printf("/%d", rad->pfra_net); 412 } 413 if (rad != NULL && fback == PFR_FB_NONE) 414 printf("\t nomatch"); 415 if (dns && ad->pfra_net == hostnet) { 416 char hostname[NI_MAXHOST]; 417 union sockaddr_union sa; 418 419 strlcpy(hostname, "?", sizeof(hostname)); 420 bzero(&sa, sizeof(sa)); 421 sa.sa.sa_family = ad->pfra_af; 422 if (sa.sa.sa_family == AF_INET) { 423 sa.sa.sa_len = sizeof(sa.sin); 424 sa.sin.sin_addr = ad->pfra_ip4addr; 425 } else { 426 sa.sa.sa_len = sizeof(sa.sin6); 427 sa.sin6.sin6_addr = ad->pfra_ip6addr; 428 } 429 if (getnameinfo(&sa.sa, sa.sa.sa_len, hostname, sizeof(hostname), 430 NULL, 0, NI_NAMEREQD) == 0) 431 printf("\t(%s)", hostname); 432 } 433 printf("\n"); 434 } 435 436 void 437 print_astats(const struct pfr_astats *as, int dns) 438 { 439 time_t rtime = as->pfras_tzero; 440 int dir, op; 441 442 print_addrx(&as->pfras_a, NULL, dns); 443 printf("\tCleared: %s", ctime(&rtime)); 444 for (dir = 0; dir < PFR_DIR_MAX; dir++) 445 for (op = 0; op < PFR_OP_ADDR_MAX; op++) 446 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 447 stats_text[dir][op], 448 (unsigned long long)as->pfras_packets[dir][op], 449 (unsigned long long)as->pfras_bytes[dir][op]); 450 } 451 452 void 453 radix_perror(void) 454 { 455 fprintf(stderr, "%s: %s.\n", getprogname(), pfr_strerror(errno)); 456 } 457 458 int 459 pfctl_define_table(char *name, int flags, int addrs, const char *anchor, 460 const char *ruleset, struct pfr_buffer *ab, u_int32_t ticket) 461 { 462 struct pfr_table tbl; 463 464 bzero(&tbl, sizeof(tbl)); 465 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >= 466 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor, 467 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor) || 468 strlcpy(tbl.pfrt_ruleset, ruleset, sizeof(tbl.pfrt_ruleset)) >= 469 sizeof(tbl.pfrt_ruleset)) 470 errx(1, "pfctl_define_table: strlcpy"); 471 tbl.pfrt_flags = flags; 472 473 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL, 474 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0); 475 } 476 477 void 478 warn_namespace_collision(const char *filter) 479 { 480 struct pfr_buffer b; 481 const struct pfr_table *t; 482 const char *name = NULL, *lastcoll = NULL; 483 int coll = 0; 484 485 bzero(&b, sizeof(b)); 486 b.pfrb_type = PFRB_TABLES; 487 for (;;) { 488 pfr_buf_grow(&b, b.pfrb_size); 489 b.pfrb_size = b.pfrb_msize; 490 if (pfr_get_tables(NULL, b.pfrb_caddr, 491 &b.pfrb_size, PFR_FLAG_ALLRSETS)) 492 err(1, "pfr_get_tables"); 493 if (b.pfrb_size <= b.pfrb_msize) 494 break; 495 } 496 PFRB_FOREACH(t, &b) { 497 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE)) 498 continue; 499 if (filter != NULL && strcmp(filter, t->pfrt_name)) 500 continue; 501 if (!t->pfrt_anchor[0]) 502 name = t->pfrt_name; 503 else if (name != NULL && !strcmp(name, t->pfrt_name)) { 504 coll++; 505 lastcoll = name; 506 name = NULL; 507 } 508 } 509 if (coll == 1) 510 warnx("warning: namespace collision with <%s> global table.", 511 lastcoll); 512 else if (coll > 1) 513 warnx("warning: namespace collisions with %d global tables.", 514 coll); 515 pfr_buf_clear(&b); 516 } 517 518 void 519 xprintf(int opts, const char *fmt, ...) 520 { 521 va_list args; 522 523 if (opts & PF_OPT_QUIET) 524 return; 525 526 va_start(args, fmt); 527 vfprintf(stderr, fmt, args); 528 va_end(args); 529 530 if (opts & PF_OPT_DUMMYACTION) 531 fprintf(stderr, " (dummy).\n"); 532 else if (opts & PF_OPT_NOACTION) 533 fprintf(stderr, " (syntax only).\n"); 534 else 535 fprintf(stderr, ".\n"); 536 } 537 538 539 /* interface stuff */ 540 541 int 542 pfctl_show_ifaces(const char *filter, int opts) 543 { 544 struct pfr_buffer b; 545 const struct pfi_if *p; 546 int i = 0, f = PFI_FLAG_GROUP|PFI_FLAG_INSTANCE; 547 548 if (filter != NULL && *filter && !isdigit(filter[strlen(filter)-1])) 549 f &= ~PFI_FLAG_INSTANCE; 550 bzero(&b, sizeof(b)); 551 b.pfrb_type = PFRB_IFACES; 552 for (;;) { 553 pfr_buf_grow(&b, b.pfrb_size); 554 b.pfrb_size = b.pfrb_msize; 555 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size, f)) { 556 radix_perror(); 557 return (1); 558 } 559 if (b.pfrb_size <= b.pfrb_msize) 560 break; 561 i++; 562 } 563 if (opts & PF_OPT_SHOWALL) 564 pfctl_print_title("INTERFACES:"); 565 PFRB_FOREACH(p, &b) 566 print_iface(p, opts); 567 return (0); 568 } 569 570 void 571 print_iface(const struct pfi_if *p, int opts) 572 { 573 time_t tzero = p->pfif_tzero; 574 int flags = (opts & PF_OPT_VERBOSE) ? p->pfif_flags : 0; 575 int first = 1; 576 int i, af, dir, act; 577 578 printf("%s", p->pfif_name); 579 oprintf(flags, PFI_IFLAG_INSTANCE, "instance", &first, 0); 580 oprintf(flags, PFI_IFLAG_GROUP, "group", &first, 0); 581 oprintf(flags, PFI_IFLAG_CLONABLE, "clonable", &first, 0); 582 oprintf(flags, PFI_IFLAG_DYNAMIC, "dynamic", &first, 0); 583 oprintf(flags, PFI_IFLAG_ATTACHED, "attached", &first, 1); 584 printf("\n"); 585 586 if (!(opts & PF_OPT_VERBOSE2)) 587 return; 588 printf("\tCleared: %s", ctime(&tzero)); 589 printf("\tReferences: [ States: %-18d Rules: %-18d ]\n", 590 p->pfif_states, p->pfif_rules); 591 for (i = 0; i < 8; i++) { 592 af = (i>>2) & 1; 593 dir = (i>>1) &1; 594 act = i & 1; 595 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 596 istats_text[af][dir][act], 597 (unsigned long long)p->pfif_packets[af][dir][act], 598 (unsigned long long)p->pfif_bytes[af][dir][act]); 599 } 600 } 601 602 void 603 oprintf(int flags, int flag, const char *s, int *first, int last) 604 { 605 if (flags & flag) { 606 printf(*first ? "\t(%s" : ", %s", s); 607 *first = 0; 608 } 609 if (last && !*first) 610 printf(")"); 611 } 612 613