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/cdefs.h> 36 #include <sys/types.h> 37 #include <sys/ioctl.h> 38 #include <sys/socket.h> 39 40 #include <net/if.h> 41 #include <net/pfvar.h> 42 #include <arpa/inet.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(struct pfr_table *, int, int); 61 static void print_tstats(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 void print_astats(struct pfr_astats *, int); 65 static void radix_perror(void); 66 static void xprintf(int, const char *, ...); 67 static void print_iface(struct pfi_kif *, 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 if ((!(opts & PF_OPT_NOACTION) || \ 91 (opts & PF_OPT_DUMMYACTION)) && \ 92 (pfr_add_tables(&table, 1, &nadd, flags)) && \ 93 (errno != EPERM)) { \ 94 radix_perror(); \ 95 goto _error; \ 96 } \ 97 if (nadd) { \ 98 warn_namespace_collision(table.pfrt_name); \ 99 xprintf(opts, "%d table created", nadd); \ 100 if (opts & PF_OPT_NOACTION) \ 101 return (0); \ 102 } \ 103 table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \ 104 } while(0) 105 106 int 107 pfctl_clear_tables(const char *anchor, int opts) 108 { 109 return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts); 110 } 111 112 int 113 pfctl_show_tables(const char *anchor, int opts) 114 { 115 return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts); 116 } 117 118 int 119 pfctl_command_tables(int argc, char *argv[], char *tname, 120 const char *command, char *file, const char *anchor, int opts) 121 { 122 if (tname == NULL || command == NULL) 123 usage(); 124 return pfctl_table(argc, argv, tname, command, file, anchor, opts); 125 } 126 127 int 128 pfctl_table(int argc, char *argv[], char *tname, const char *command, 129 char *file, const char *anchor, int opts) 130 { 131 struct pfr_table table; 132 struct pfr_buffer b, b2; 133 struct pfr_addr *a, *a2; 134 int nadd = 0, ndel = 0, nchange = 0, nzero = 0; 135 int rv = 0, flags = 0, nmatch = 0; 136 void *p; 137 138 if (command == NULL) 139 usage(); 140 if (opts & PF_OPT_NOACTION) 141 flags |= PFR_FLAG_DUMMY; 142 143 bzero(&b, sizeof(b)); 144 bzero(&b2, sizeof(b2)); 145 bzero(&table, sizeof(table)); 146 if (tname != NULL) { 147 if (strlen(tname) >= PF_TABLE_NAME_SIZE) 148 usage(); 149 if (strlcpy(table.pfrt_name, tname, 150 sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name)) 151 errx(1, "pfctl_table: strlcpy"); 152 } 153 if (strlcpy(table.pfrt_anchor, anchor, 154 sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor)) 155 errx(1, "pfctl_table: strlcpy"); 156 157 if (!strcmp(command, "-F")) { 158 if (argc || file != NULL) 159 usage(); 160 RVTEST(pfr_clr_tables(&table, &ndel, flags)); 161 xprintf(opts, "%d tables deleted", ndel); 162 } else if (!strcmp(command, "-s")) { 163 b.pfrb_type = (opts & PF_OPT_VERBOSE2) ? 164 PFRB_TSTATS : PFRB_TABLES; 165 if (argc || file != NULL) 166 usage(); 167 for (;;) { 168 pfr_buf_grow(&b, b.pfrb_size); 169 b.pfrb_size = b.pfrb_msize; 170 if (opts & PF_OPT_VERBOSE2) 171 RVTEST(pfr_get_tstats(&table, 172 b.pfrb_caddr, &b.pfrb_size, flags)); 173 else 174 RVTEST(pfr_get_tables(&table, 175 b.pfrb_caddr, &b.pfrb_size, flags)); 176 if (b.pfrb_size <= b.pfrb_msize) 177 break; 178 } 179 180 if ((opts & PF_OPT_SHOWALL) && b.pfrb_size > 0) 181 pfctl_print_title("TABLES:"); 182 183 PFRB_FOREACH(p, &b) 184 if (opts & PF_OPT_VERBOSE2) 185 print_tstats(p, opts & PF_OPT_DEBUG); 186 else 187 print_table(p, opts & PF_OPT_VERBOSE, 188 opts & PF_OPT_DEBUG); 189 } else if (!strcmp(command, "kill")) { 190 if (argc || file != NULL) 191 usage(); 192 RVTEST(pfr_del_tables(&table, 1, &ndel, flags)); 193 xprintf(opts, "%d table deleted", ndel); 194 } else if (!strcmp(command, "flush")) { 195 if (argc || file != NULL) 196 usage(); 197 RVTEST(pfr_clr_addrs(&table, &ndel, flags)); 198 xprintf(opts, "%d addresses deleted", ndel); 199 } else if (!strcmp(command, "add")) { 200 b.pfrb_type = PFRB_ADDRS; 201 if (load_addr(&b, argc, argv, file, 0)) 202 goto _error; 203 CREATE_TABLE; 204 if (opts & PF_OPT_VERBOSE) 205 flags |= PFR_FLAG_FEEDBACK; 206 RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size, 207 &nadd, flags)); 208 xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size); 209 if (opts & PF_OPT_VERBOSE) 210 PFRB_FOREACH(a, &b) 211 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 212 print_addrx(a, NULL, 213 opts & PF_OPT_USEDNS); 214 } else if (!strcmp(command, "delete")) { 215 b.pfrb_type = PFRB_ADDRS; 216 if (load_addr(&b, argc, argv, file, 0)) 217 goto _error; 218 if (opts & PF_OPT_VERBOSE) 219 flags |= PFR_FLAG_FEEDBACK; 220 RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size, 221 &ndel, flags)); 222 xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size); 223 if (opts & PF_OPT_VERBOSE) 224 PFRB_FOREACH(a, &b) 225 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 226 print_addrx(a, NULL, 227 opts & PF_OPT_USEDNS); 228 } else if (!strcmp(command, "replace")) { 229 b.pfrb_type = PFRB_ADDRS; 230 if (load_addr(&b, argc, argv, file, 0)) 231 goto _error; 232 CREATE_TABLE; 233 if (opts & PF_OPT_VERBOSE) 234 flags |= PFR_FLAG_FEEDBACK; 235 for (;;) { 236 int sz2 = b.pfrb_msize; 237 238 RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size, 239 &sz2, &nadd, &ndel, &nchange, flags)); 240 if (sz2 <= b.pfrb_msize) { 241 b.pfrb_size = sz2; 242 break; 243 } else 244 pfr_buf_grow(&b, sz2); 245 } 246 if (nadd) 247 xprintf(opts, "%d addresses added", nadd); 248 if (ndel) 249 xprintf(opts, "%d addresses deleted", ndel); 250 if (nchange) 251 xprintf(opts, "%d addresses changed", nchange); 252 if (!nadd && !ndel && !nchange) 253 xprintf(opts, "no changes"); 254 if (opts & PF_OPT_VERBOSE) 255 PFRB_FOREACH(a, &b) 256 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 257 print_addrx(a, NULL, 258 opts & PF_OPT_USEDNS); 259 } else if (!strcmp(command, "expire")) { 260 const char *errstr; 261 u_int lifetime; 262 263 b.pfrb_type = PFRB_ASTATS; 264 b2.pfrb_type = PFRB_ADDRS; 265 if (argc != 1 || file != NULL) 266 usage(); 267 lifetime = strtonum(*argv, 0, UINT_MAX, &errstr); 268 if (errstr) 269 errx(1, "expiry time: %s", errstr); 270 for (;;) { 271 pfr_buf_grow(&b, b.pfrb_size); 272 b.pfrb_size = b.pfrb_msize; 273 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 274 &b.pfrb_size, flags)); 275 if (b.pfrb_size <= b.pfrb_msize) 276 break; 277 } 278 PFRB_FOREACH(p, &b) { 279 ((struct pfr_astats *)p)->pfras_a.pfra_fback = 0; 280 if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero > 281 lifetime) 282 if (pfr_buf_add(&b2, 283 &((struct pfr_astats *)p)->pfras_a)) 284 err(1, "duplicate buffer"); 285 } 286 287 if (opts & PF_OPT_VERBOSE) 288 flags |= PFR_FLAG_FEEDBACK; 289 RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size, 290 &ndel, flags)); 291 xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size); 292 if (opts & PF_OPT_VERBOSE) 293 PFRB_FOREACH(a, &b2) 294 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 295 print_addrx(a, NULL, 296 opts & PF_OPT_USEDNS); 297 } else if (!strcmp(command, "show")) { 298 b.pfrb_type = (opts & PF_OPT_VERBOSE) ? 299 PFRB_ASTATS : PFRB_ADDRS; 300 if (argc || file != NULL) 301 usage(); 302 for (;;) { 303 pfr_buf_grow(&b, b.pfrb_size); 304 b.pfrb_size = b.pfrb_msize; 305 if (opts & PF_OPT_VERBOSE) 306 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 307 &b.pfrb_size, flags)); 308 else 309 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr, 310 &b.pfrb_size, flags)); 311 if (b.pfrb_size <= b.pfrb_msize) 312 break; 313 } 314 PFRB_FOREACH(p, &b) 315 if (opts & PF_OPT_VERBOSE) 316 print_astats(p, opts & PF_OPT_USEDNS); 317 else 318 print_addrx(p, NULL, opts & PF_OPT_USEDNS); 319 } else if (!strcmp(command, "test")) { 320 b.pfrb_type = PFRB_ADDRS; 321 b2.pfrb_type = PFRB_ADDRS; 322 323 if (load_addr(&b, argc, argv, file, 1)) 324 goto _error; 325 if (opts & PF_OPT_VERBOSE2) { 326 flags |= PFR_FLAG_REPLACE; 327 PFRB_FOREACH(a, &b) 328 if (pfr_buf_add(&b2, a)) 329 err(1, "duplicate buffer"); 330 } 331 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size, 332 &nmatch, flags)); 333 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size); 334 if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2)) 335 PFRB_FOREACH(a, &b) 336 if (a->pfra_fback == PFR_FB_MATCH) 337 print_addrx(a, NULL, 338 opts & PF_OPT_USEDNS); 339 if (opts & PF_OPT_VERBOSE2) { 340 a2 = NULL; 341 PFRB_FOREACH(a, &b) { 342 a2 = pfr_buf_next(&b2, a2); 343 print_addrx(a2, a, opts & PF_OPT_USEDNS); 344 } 345 } 346 if (nmatch < b.pfrb_size) 347 rv = 2; 348 } else if (!strcmp(command, "zero")) { 349 if (argc || file != NULL) 350 usage(); 351 flags |= PFR_FLAG_ADDRSTOO; 352 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags)); 353 xprintf(opts, "%d table/stats cleared", nzero); 354 } else 355 warnx("pfctl_table: unknown command '%s'", command); 356 goto _cleanup; 357 358 _error: 359 rv = -1; 360 _cleanup: 361 pfr_buf_clear(&b); 362 pfr_buf_clear(&b2); 363 return (rv); 364 } 365 366 void 367 print_table(struct pfr_table *ta, int verbose, int debug) 368 { 369 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE)) 370 return; 371 if (verbose) { 372 printf("%c%c%c%c%c%c%c\t%s", 373 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-', 374 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-', 375 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-', 376 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-', 377 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-', 378 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-', 379 (ta->pfrt_flags & PFR_TFLAG_COUNTERS) ? 'C' : '-', 380 ta->pfrt_name); 381 if (ta->pfrt_anchor[0]) 382 printf("\t%s", ta->pfrt_anchor); 383 puts(""); 384 } else 385 puts(ta->pfrt_name); 386 } 387 388 void 389 print_tstats(struct pfr_tstats *ts, int debug) 390 { 391 time_t time = ts->pfrts_tzero; 392 int dir, op; 393 394 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE)) 395 return; 396 print_table(&ts->pfrts_t, 1, debug); 397 printf("\tAddresses: %d\n", ts->pfrts_cnt); 398 printf("\tCleared: %s", ctime(&time)); 399 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n", 400 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR], 401 ts->pfrts_refcnt[PFR_REFCNT_RULE]); 402 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n", 403 (unsigned long long)ts->pfrts_nomatch, 404 (unsigned long long)ts->pfrts_match); 405 for (dir = 0; dir < PFR_DIR_MAX; dir++) 406 for (op = 0; op < PFR_OP_TABLE_MAX; op++) 407 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 408 stats_text[dir][op], 409 (unsigned long long)ts->pfrts_packets[dir][op], 410 (unsigned long long)ts->pfrts_bytes[dir][op]); 411 } 412 413 int 414 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file, 415 int nonetwork) 416 { 417 while (argc--) 418 if (append_addr(b, *argv++, nonetwork)) { 419 if (errno) 420 warn("cannot decode %s", argv[-1]); 421 return (-1); 422 } 423 if (pfr_buf_load(b, file, nonetwork, append_addr)) { 424 warn("cannot load %s", file); 425 return (-1); 426 } 427 return (0); 428 } 429 430 void 431 print_addrx(struct pfr_addr *ad, struct pfr_addr *rad, int dns) 432 { 433 char ch, buf[256] = "{error}"; 434 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y', ' ' }; 435 unsigned int fback, hostnet; 436 437 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback; 438 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?'; 439 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32; 440 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf)); 441 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf); 442 if (ad->pfra_net < hostnet) 443 printf("/%d", ad->pfra_net); 444 if (rad != NULL && fback != PFR_FB_NONE) { 445 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf)) 446 errx(1, "print_addrx: strlcpy"); 447 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf)); 448 printf("\t%c%s", (rad->pfra_not?'!':' '), buf); 449 if (rad->pfra_net < hostnet) 450 printf("/%d", rad->pfra_net); 451 } 452 if (rad != NULL && fback == PFR_FB_NONE) 453 printf("\t nomatch"); 454 if (dns && ad->pfra_net == hostnet) { 455 char host[NI_MAXHOST]; 456 union sockaddr_union sa; 457 458 strlcpy(host, "?", sizeof(host)); 459 bzero(&sa, sizeof(sa)); 460 sa.sa.sa_family = ad->pfra_af; 461 if (sa.sa.sa_family == AF_INET) { 462 sa.sa.sa_len = sizeof(sa.sin); 463 sa.sin.sin_addr = ad->pfra_ip4addr; 464 } else { 465 sa.sa.sa_len = sizeof(sa.sin6); 466 sa.sin6.sin6_addr = ad->pfra_ip6addr; 467 } 468 if (getnameinfo(&sa.sa, sa.sa.sa_len, host, sizeof(host), 469 NULL, 0, NI_NAMEREQD) == 0) 470 printf("\t(%s)", host); 471 } 472 printf("\n"); 473 } 474 475 void 476 print_astats(struct pfr_astats *as, int dns) 477 { 478 time_t time = as->pfras_tzero; 479 int dir, op; 480 481 print_addrx(&as->pfras_a, NULL, dns); 482 printf("\tCleared: %s", ctime(&time)); 483 if (as->pfras_a.pfra_fback == PFR_FB_NOCOUNT) 484 return; 485 for (dir = 0; dir < PFR_DIR_MAX; dir++) 486 for (op = 0; op < PFR_OP_ADDR_MAX; op++) 487 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 488 stats_text[dir][op], 489 (unsigned long long)as->pfras_packets[dir][op], 490 (unsigned long long)as->pfras_bytes[dir][op]); 491 } 492 493 void 494 radix_perror(void) 495 { 496 extern char *__progname; 497 fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno)); 498 } 499 500 int 501 pfctl_define_table(char *name, int flags, int addrs, const char *anchor, 502 struct pfr_buffer *ab, u_int32_t ticket) 503 { 504 struct pfr_table tbl; 505 506 bzero(&tbl, sizeof(tbl)); 507 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >= 508 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor, 509 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor)) 510 errx(1, "pfctl_define_table: strlcpy"); 511 tbl.pfrt_flags = flags; 512 513 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL, 514 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0); 515 } 516 517 void 518 warn_namespace_collision(const char *filter) 519 { 520 struct pfr_buffer b; 521 struct pfr_table *t; 522 const char *name = NULL, *lastcoll; 523 int coll = 0; 524 525 bzero(&b, sizeof(b)); 526 b.pfrb_type = PFRB_TABLES; 527 for (;;) { 528 pfr_buf_grow(&b, b.pfrb_size); 529 b.pfrb_size = b.pfrb_msize; 530 if (pfr_get_tables(NULL, b.pfrb_caddr, 531 &b.pfrb_size, PFR_FLAG_ALLRSETS)) 532 err(1, "pfr_get_tables"); 533 if (b.pfrb_size <= b.pfrb_msize) 534 break; 535 } 536 PFRB_FOREACH(t, &b) { 537 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE)) 538 continue; 539 if (filter != NULL && strcmp(filter, t->pfrt_name)) 540 continue; 541 if (!t->pfrt_anchor[0]) 542 name = t->pfrt_name; 543 else if (name != NULL && !strcmp(name, t->pfrt_name)) { 544 coll++; 545 lastcoll = name; 546 name = NULL; 547 } 548 } 549 if (coll == 1) 550 warnx("warning: namespace collision with <%s> global table.", 551 lastcoll); 552 else if (coll > 1) 553 warnx("warning: namespace collisions with %d global tables.", 554 coll); 555 pfr_buf_clear(&b); 556 } 557 558 void 559 xprintf(int opts, const char *fmt, ...) 560 { 561 va_list args; 562 563 if (opts & PF_OPT_QUIET) 564 return; 565 566 va_start(args, fmt); 567 vfprintf(stderr, fmt, args); 568 va_end(args); 569 570 if (opts & PF_OPT_DUMMYACTION) 571 fprintf(stderr, " (dummy).\n"); 572 else if (opts & PF_OPT_NOACTION) 573 fprintf(stderr, " (syntax only).\n"); 574 else 575 fprintf(stderr, ".\n"); 576 } 577 578 579 /* interface stuff */ 580 581 int 582 pfctl_show_ifaces(const char *filter, int opts) 583 { 584 struct pfr_buffer b; 585 struct pfi_kif *p; 586 587 bzero(&b, sizeof(b)); 588 b.pfrb_type = PFRB_IFACES; 589 for (;;) { 590 pfr_buf_grow(&b, b.pfrb_size); 591 b.pfrb_size = b.pfrb_msize; 592 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) { 593 radix_perror(); 594 return (1); 595 } 596 if (b.pfrb_size <= b.pfrb_msize) 597 break; 598 } 599 if (opts & PF_OPT_SHOWALL) 600 pfctl_print_title("INTERFACES:"); 601 PFRB_FOREACH(p, &b) 602 print_iface(p, opts); 603 return (0); 604 } 605 606 void 607 print_iface(struct pfi_kif *p, int opts) 608 { 609 time_t tzero = p->pfik_tzero; 610 int i, af, dir, act; 611 612 printf("%s", p->pfik_name); 613 if (opts & PF_OPT_VERBOSE) { 614 if (p->pfik_flags & PFI_IFLAG_SKIP) 615 printf(" (skip)"); 616 } 617 printf("\n"); 618 619 if (!(opts & PF_OPT_VERBOSE2)) 620 return; 621 printf("\tCleared: %s", ctime(&tzero)); 622 printf("\tReferences: %-18d\n", p->pfik_rulerefs); 623 for (i = 0; i < 8; i++) { 624 af = (i>>2) & 1; 625 dir = (i>>1) &1; 626 act = i & 1; 627 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 628 istats_text[af][dir][act], 629 (unsigned long long)p->pfik_packets[af][dir][act], 630 (unsigned long long)p->pfik_bytes[af][dir][act]); 631 } 632 } 633