pfctl_table.c revision 1.3
1 /* $NetBSD: pfctl_table.c,v 1.3 2004/10/29 19:46:27 dsl Exp $ */ 2 /* $OpenBSD: pfctl_table.c,v 1.59 2004/03/15 15:25:44 dhartmei 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 #ifdef __NetBSD__ 39 #include <netinet/in.h> 40 #endif 41 42 #include <net/if.h> 43 #include <net/pfvar.h> 44 #include <arpa/inet.h> 45 46 #include <ctype.h> 47 #include <err.h> 48 #include <errno.h> 49 #include <netdb.h> 50 #include <stdarg.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <string.h> 54 #include <time.h> 55 56 #include "pfctl_parser.h" 57 #include "pfctl.h" 58 59 extern void usage(void); 60 static int pfctl_table(int, char *[], char *, const char *, char *, 61 const char *, const char *, int); 62 static void print_table(struct pfr_table *, int, int); 63 static void print_tstats(struct pfr_tstats *, int); 64 static int load_addr(struct pfr_buffer *, int, char *[], char *, int); 65 static void print_addrx(struct pfr_addr *, struct pfr_addr *, int); 66 static void print_astats(struct pfr_astats *, int); 67 static void radix_perror(void); 68 static void xprintf(int, const char *, ...); 69 static void print_iface(struct pfi_if *, int); 70 static void oprintf(int, int, const char *, int *, int); 71 72 static const char *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = { 73 { "In/Block:", "In/Pass:", "In/XPass:" }, 74 { "Out/Block:", "Out/Pass:", "Out/XPass:" } 75 }; 76 77 static const char *istats_text[2][2][2] = { 78 { { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } }, 79 { { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } } 80 }; 81 82 #define RVTEST(fct) do { \ 83 if ((!(opts & PF_OPT_NOACTION) || \ 84 (opts & PF_OPT_DUMMYACTION)) && \ 85 (fct)) { \ 86 radix_perror(); \ 87 goto _error; \ 88 } \ 89 } while (0) 90 91 #define CREATE_TABLE do { \ 92 table.pfrt_flags |= PFR_TFLAG_PERSIST; \ 93 RVTEST(pfr_add_tables(&table, 1, &nadd, flags)); \ 94 if (nadd) { \ 95 warn_namespace_collision(table.pfrt_name); \ 96 xprintf(opts, "%d table created", nadd); \ 97 if (opts & PF_OPT_NOACTION) \ 98 return (0); \ 99 } \ 100 table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \ 101 } while(0) 102 103 int 104 pfctl_clear_tables(const char *anchor, const char *ruleset, int opts) 105 { 106 return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, ruleset, opts); 107 } 108 109 int 110 pfctl_show_tables(const char *anchor, const char *ruleset, int opts) 111 { 112 return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, ruleset, opts); 113 } 114 115 int 116 pfctl_command_tables(int argc, char *argv[], char *tname, 117 const char *command, char *file, const char *anchor, const char *ruleset, 118 int opts) 119 { 120 if (tname == NULL || command == NULL) 121 usage(); 122 return pfctl_table(argc, argv, tname, command, file, anchor, ruleset, 123 opts); 124 } 125 126 int 127 pfctl_table(int argc, char *argv[], char *tname, const char *command, 128 char *file, const char *anchor, const char *ruleset, 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 strlcpy(table.pfrt_ruleset, ruleset, 155 sizeof(table.pfrt_ruleset)) >= sizeof(table.pfrt_ruleset)) 156 errx(1, "pfctl_table: strlcpy"); 157 158 if (!strcmp(command, "-F")) { 159 if (argc || file != NULL) 160 usage(); 161 RVTEST(pfr_clr_tables(&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 for (;;) { 169 pfr_buf_grow(&b, b.pfrb_size); 170 b.pfrb_size = b.pfrb_msize; 171 if (opts & PF_OPT_VERBOSE2) 172 RVTEST(pfr_get_tstats(&table, 173 b.pfrb_caddr, &b.pfrb_size, flags)); 174 else 175 RVTEST(pfr_get_tables(&table, 176 b.pfrb_caddr, &b.pfrb_size, flags)); 177 if (b.pfrb_size <= b.pfrb_msize) 178 break; 179 } 180 181 if (opts & PF_OPT_SHOWALL && b.pfrb_size > 0) 182 pfctl_print_title("TABLES:"); 183 184 PFRB_FOREACH(p, &b) 185 if (opts & PF_OPT_VERBOSE2) 186 print_tstats(p, opts & PF_OPT_DEBUG); 187 else 188 print_table(p, opts & PF_OPT_VERBOSE, 189 opts & PF_OPT_DEBUG); 190 } else if (!strcmp(command, "kill")) { 191 if (argc || file != NULL) 192 usage(); 193 RVTEST(pfr_del_tables(&table, 1, &ndel, flags)); 194 xprintf(opts, "%d table deleted", ndel); 195 } else if (!strcmp(command, "flush")) { 196 if (argc || file != NULL) 197 usage(); 198 RVTEST(pfr_clr_addrs(&table, &ndel, flags)); 199 xprintf(opts, "%d addresses deleted", ndel); 200 } else if (!strcmp(command, "add")) { 201 b.pfrb_type = PFRB_ADDRS; 202 if (load_addr(&b, argc, argv, file, 0)) 203 goto _error; 204 CREATE_TABLE; 205 if (opts & PF_OPT_VERBOSE) 206 flags |= PFR_FLAG_FEEDBACK; 207 RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size, 208 &nadd, flags)); 209 xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size); 210 if (opts & PF_OPT_VERBOSE) 211 PFRB_FOREACH(a, &b) 212 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 213 print_addrx(a, NULL, 214 opts & PF_OPT_USEDNS); 215 } else if (!strcmp(command, "delete")) { 216 b.pfrb_type = PFRB_ADDRS; 217 if (load_addr(&b, argc, argv, file, 0)) 218 goto _error; 219 if (opts & PF_OPT_VERBOSE) 220 flags |= PFR_FLAG_FEEDBACK; 221 RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size, 222 &ndel, flags)); 223 xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size); 224 if (opts & PF_OPT_VERBOSE) 225 PFRB_FOREACH(a, &b) 226 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 227 print_addrx(a, NULL, 228 opts & PF_OPT_USEDNS); 229 } else if (!strcmp(command, "replace")) { 230 b.pfrb_type = PFRB_ADDRS; 231 if (load_addr(&b, argc, argv, file, 0)) 232 goto _error; 233 CREATE_TABLE; 234 if (opts & PF_OPT_VERBOSE) 235 flags |= PFR_FLAG_FEEDBACK; 236 for (;;) { 237 int sz2 = b.pfrb_msize; 238 239 RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size, 240 &sz2, &nadd, &ndel, &nchange, flags)); 241 if (sz2 <= b.pfrb_msize) { 242 b.pfrb_size = sz2; 243 break; 244 } else 245 pfr_buf_grow(&b, sz2); 246 } 247 if (nadd) 248 xprintf(opts, "%d addresses added", nadd); 249 if (ndel) 250 xprintf(opts, "%d addresses deleted", ndel); 251 if (nchange) 252 xprintf(opts, "%d addresses changed", nchange); 253 if (!nadd && !ndel && !nchange) 254 xprintf(opts, "no changes"); 255 if (opts & PF_OPT_VERBOSE) 256 PFRB_FOREACH(a, &b) 257 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 258 print_addrx(a, NULL, 259 opts & PF_OPT_USEDNS); 260 } else if (!strcmp(command, "show")) { 261 b.pfrb_type = (opts & PF_OPT_VERBOSE) ? 262 PFRB_ASTATS : PFRB_ADDRS; 263 if (argc || file != NULL) 264 usage(); 265 for (;;) { 266 pfr_buf_grow(&b, b.pfrb_size); 267 b.pfrb_size = b.pfrb_msize; 268 if (opts & PF_OPT_VERBOSE) 269 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 270 &b.pfrb_size, flags)); 271 else 272 RVTEST(pfr_get_addrs(&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 if (opts & PF_OPT_VERBOSE) 279 print_astats(p, opts & PF_OPT_USEDNS); 280 else 281 print_addrx(p, NULL, opts & PF_OPT_USEDNS); 282 } else if (!strcmp(command, "test")) { 283 b.pfrb_type = PFRB_ADDRS; 284 b2.pfrb_type = PFRB_ADDRS; 285 286 if (load_addr(&b, argc, argv, file, 1)) 287 goto _error; 288 if (opts & PF_OPT_VERBOSE2) { 289 flags |= PFR_FLAG_REPLACE; 290 PFRB_FOREACH(a, &b) 291 if (pfr_buf_add(&b2, a)) 292 err(1, "duplicate buffer"); 293 } 294 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size, 295 &nmatch, flags)); 296 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size); 297 if (opts & PF_OPT_VERBOSE && !(opts & PF_OPT_VERBOSE2)) 298 PFRB_FOREACH(a, &b) 299 if (a->pfra_fback == PFR_FB_MATCH) 300 print_addrx(a, NULL, 301 opts & PF_OPT_USEDNS); 302 if (opts & PF_OPT_VERBOSE2) { 303 a2 = NULL; 304 PFRB_FOREACH(a, &b) { 305 a2 = pfr_buf_next(&b2, a2); 306 print_addrx(a2, a, opts & PF_OPT_USEDNS); 307 } 308 } 309 if (nmatch < b.pfrb_size) 310 rv = 2; 311 } else if (!strcmp(command, "zero")) { 312 if (argc || file != NULL) 313 usage(); 314 flags |= PFR_FLAG_ADDRSTOO; 315 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags)); 316 xprintf(opts, "%d table/stats cleared", nzero); 317 } else 318 warnx("pfctl_table: unknown command '%s'", command); 319 goto _cleanup; 320 321 _error: 322 rv = -1; 323 _cleanup: 324 pfr_buf_clear(&b); 325 pfr_buf_clear(&b2); 326 return (rv); 327 } 328 329 void 330 print_table(struct pfr_table *ta, int verbose, int debug) 331 { 332 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE)) 333 return; 334 if (verbose) { 335 printf("%c%c%c%c%c%c\t%s", 336 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-', 337 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-', 338 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-', 339 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-', 340 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-', 341 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-', 342 ta->pfrt_name); 343 if (ta->pfrt_anchor[0]) 344 printf("\t%s", ta->pfrt_anchor); 345 if (ta->pfrt_ruleset[0]) 346 printf(":%s", ta->pfrt_ruleset); 347 puts(""); 348 } else 349 puts(ta->pfrt_name); 350 } 351 352 void 353 print_tstats(struct pfr_tstats *ts, int debug) 354 { 355 time_t time = ts->pfrts_tzero; 356 int dir, op; 357 358 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE)) 359 return; 360 print_table(&ts->pfrts_t, 1, debug); 361 printf("\tAddresses: %d\n", ts->pfrts_cnt); 362 printf("\tCleared: %s", ctime(&time)); 363 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n", 364 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR], 365 ts->pfrts_refcnt[PFR_REFCNT_RULE]); 366 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n", 367 (unsigned long long)ts->pfrts_nomatch, 368 (unsigned long long)ts->pfrts_match); 369 for (dir = 0; dir < PFR_DIR_MAX; dir++) 370 for (op = 0; op < PFR_OP_TABLE_MAX; op++) 371 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 372 stats_text[dir][op], 373 (unsigned long long)ts->pfrts_packets[dir][op], 374 (unsigned long long)ts->pfrts_bytes[dir][op]); 375 } 376 377 int 378 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file, 379 int nonetwork) 380 { 381 while (argc--) 382 if (append_addr(b, *argv++, nonetwork)) { 383 if (errno) 384 warn("cannot decode %s", argv[-1]); 385 return (-1); 386 } 387 if (pfr_buf_load(b, file, nonetwork, append_addr)) { 388 warn("cannot load %s", file); 389 return (-1); 390 } 391 return (0); 392 } 393 394 void 395 print_addrx(struct pfr_addr *ad, struct pfr_addr *rad, int dns) 396 { 397 char ch, buf[256] = "{error}"; 398 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y' }; 399 unsigned int fback, hostnet; 400 401 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback; 402 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?'; 403 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32; 404 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf)); 405 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf); 406 if (ad->pfra_net < hostnet) 407 printf("/%d", ad->pfra_net); 408 if (rad != NULL && fback != PFR_FB_NONE) { 409 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf)) 410 errx(1, "print_addrx: strlcpy"); 411 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf)); 412 printf("\t%c%s", (rad->pfra_not?'!':' '), buf); 413 if (rad->pfra_net < hostnet) 414 printf("/%d", rad->pfra_net); 415 } 416 if (rad != NULL && fback == PFR_FB_NONE) 417 printf("\t nomatch"); 418 if (dns && ad->pfra_net == hostnet) { 419 char host[NI_MAXHOST]; 420 union sockaddr_union sa; 421 422 strlcpy(host, "?", sizeof(host)); 423 bzero(&sa, sizeof(sa)); 424 sa.sa.sa_family = ad->pfra_af; 425 if (sa.sa.sa_family == AF_INET) { 426 sa.sa.sa_len = sizeof(sa.sin); 427 sa.sin.sin_addr = ad->pfra_ip4addr; 428 } else { 429 sa.sa.sa_len = sizeof(sa.sin6); 430 sa.sin6.sin6_addr = ad->pfra_ip6addr; 431 } 432 if (getnameinfo(&sa.sa, sa.sa.sa_len, host, sizeof(host), 433 NULL, 0, NI_NAMEREQD) == 0) 434 printf("\t(%s)", host); 435 } 436 printf("\n"); 437 } 438 439 void 440 print_astats(struct pfr_astats *as, int dns) 441 { 442 time_t time = as->pfras_tzero; 443 int dir, op; 444 445 print_addrx(&as->pfras_a, NULL, dns); 446 printf("\tCleared: %s", ctime(&time)); 447 for (dir = 0; dir < PFR_DIR_MAX; dir++) 448 for (op = 0; op < PFR_OP_ADDR_MAX; op++) 449 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 450 stats_text[dir][op], 451 (unsigned long long)as->pfras_packets[dir][op], 452 (unsigned long long)as->pfras_bytes[dir][op]); 453 } 454 455 void 456 radix_perror(void) 457 { 458 extern char *__progname; 459 fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno)); 460 } 461 462 int 463 pfctl_define_table(char *name, int flags, int addrs, const char *anchor, 464 const char *ruleset, struct pfr_buffer *ab, u_int32_t ticket) 465 { 466 struct pfr_table tbl; 467 468 bzero(&tbl, sizeof(tbl)); 469 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >= 470 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor, 471 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor) || 472 strlcpy(tbl.pfrt_ruleset, ruleset, sizeof(tbl.pfrt_ruleset)) >= 473 sizeof(tbl.pfrt_ruleset)) 474 errx(1, "pfctl_define_table: strlcpy"); 475 tbl.pfrt_flags = flags; 476 477 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL, 478 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0); 479 } 480 481 void 482 warn_namespace_collision(const char *filter) 483 { 484 struct pfr_buffer b; 485 struct pfr_table *t; 486 const char *name = NULL, *lastcoll; 487 int coll = 0; 488 489 bzero(&b, sizeof(b)); 490 b.pfrb_type = PFRB_TABLES; 491 for (;;) { 492 pfr_buf_grow(&b, b.pfrb_size); 493 b.pfrb_size = b.pfrb_msize; 494 if (pfr_get_tables(NULL, b.pfrb_caddr, 495 &b.pfrb_size, PFR_FLAG_ALLRSETS)) 496 err(1, "pfr_get_tables"); 497 if (b.pfrb_size <= b.pfrb_msize) 498 break; 499 } 500 PFRB_FOREACH(t, &b) { 501 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE)) 502 continue; 503 if (filter != NULL && strcmp(filter, t->pfrt_name)) 504 continue; 505 if (!t->pfrt_anchor[0]) 506 name = t->pfrt_name; 507 else if (name != NULL && !strcmp(name, t->pfrt_name)) { 508 coll++; 509 lastcoll = name; 510 name = NULL; 511 } 512 } 513 if (coll == 1) 514 warnx("warning: namespace collision with <%s> global table.", 515 lastcoll); 516 else if (coll > 1) 517 warnx("warning: namespace collisions with %d global tables.", 518 coll); 519 pfr_buf_clear(&b); 520 } 521 522 void 523 xprintf(int opts, const char *fmt, ...) 524 { 525 va_list args; 526 527 if (opts & PF_OPT_QUIET) 528 return; 529 530 va_start(args, fmt); 531 vfprintf(stderr, fmt, args); 532 va_end(args); 533 534 if (opts & PF_OPT_DUMMYACTION) 535 fprintf(stderr, " (dummy).\n"); 536 else if (opts & PF_OPT_NOACTION) 537 fprintf(stderr, " (syntax only).\n"); 538 else 539 fprintf(stderr, ".\n"); 540 } 541 542 543 /* interface stuff */ 544 545 int 546 pfctl_show_ifaces(const char *filter, int opts) 547 { 548 struct pfr_buffer b; 549 struct pfi_if *p; 550 int i = 0, f = PFI_FLAG_GROUP|PFI_FLAG_INSTANCE; 551 552 if (filter != NULL && *filter && !isdigit((unsigned char)filter[strlen(filter)-1])) 553 f &= ~PFI_FLAG_INSTANCE; 554 bzero(&b, sizeof(b)); 555 b.pfrb_type = PFRB_IFACES; 556 for (;;) { 557 pfr_buf_grow(&b, b.pfrb_size); 558 b.pfrb_size = b.pfrb_msize; 559 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size, f)) { 560 radix_perror(); 561 return (1); 562 } 563 if (b.pfrb_size <= b.pfrb_msize) 564 break; 565 i++; 566 } 567 if (opts & PF_OPT_SHOWALL) 568 pfctl_print_title("INTERFACES:"); 569 PFRB_FOREACH(p, &b) 570 print_iface(p, opts); 571 return (0); 572 } 573 574 void 575 print_iface(struct pfi_if *p, int opts) 576 { 577 time_t tzero = p->pfif_tzero; 578 int flags = (opts & PF_OPT_VERBOSE) ? p->pfif_flags : 0; 579 int first = 1; 580 int i, af, dir, act; 581 582 printf("%s", p->pfif_name); 583 oprintf(flags, PFI_IFLAG_INSTANCE, "instance", &first, 0); 584 oprintf(flags, PFI_IFLAG_GROUP, "group", &first, 0); 585 oprintf(flags, PFI_IFLAG_CLONABLE, "clonable", &first, 0); 586 oprintf(flags, PFI_IFLAG_DYNAMIC, "dynamic", &first, 0); 587 oprintf(flags, PFI_IFLAG_ATTACHED, "attached", &first, 1); 588 printf("\n"); 589 590 if (!(opts & PF_OPT_VERBOSE2)) 591 return; 592 printf("\tCleared: %s", ctime(&tzero)); 593 printf("\tReferences: [ States: %-18d Rules: %-18d ]\n", 594 p->pfif_states, p->pfif_rules); 595 for (i = 0; i < 8; i++) { 596 af = (i>>2) & 1; 597 dir = (i>>1) &1; 598 act = i & 1; 599 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 600 istats_text[af][dir][act], 601 (unsigned long long)p->pfif_packets[af][dir][act], 602 (unsigned long long)p->pfif_bytes[af][dir][act]); 603 } 604 } 605 606 void 607 oprintf(int flags, int flag, const char *s, int *first, int last) 608 { 609 if (flags & flag) { 610 printf(*first ? "\t(%s" : ", %s", s); 611 *first = 0; 612 } 613 if (last && !*first) 614 printf(")"); 615 } 616 617
Indexes created Fri Sep 26 20:09:58 GMT 2025