1 /* $OpenBSD: pfctl_table.c,v 1.68 2008/06/21 10:34:08 mcbride 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/pf/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 *, int); 57 static void print_table(const struct pfr_table *, int, int); 58 static void print_tstats(const struct pfr_tstats *, int); 59 static int load_addr(struct pfr_buffer *, int, char *[], char *, int); 60 static void print_addrx(const struct pfr_addr *, const struct pfr_addr *, 61 int); 62 static void print_astats(const struct pfr_astats *, int); 63 static void radix_perror(void); 64 static void xprintf(int, const char *, ...) __printflike(2, 3); 65 static void print_iface(const struct pfi_kif *, 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 if ((!(opts & PF_OPT_NOACTION) || \ 89 (opts & PF_OPT_DUMMYACTION)) && \ 90 (pfr_add_tables(&table, 1, &nadd, flags)) && \ 91 (errno != EPERM)) { \ 92 radix_perror(); \ 93 goto _error; \ 94 } \ 95 if (nadd) { \ 96 warn_namespace_collision(table.pfrt_name); \ 97 xprintf(opts, "%d table created", nadd); \ 98 if (opts & PF_OPT_NOACTION) \ 99 return (0); \ 100 } \ 101 table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \ 102 } while(0) 103 104 int 105 pfctl_clear_tables(const char *anchor, int opts) 106 { 107 return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts); 108 } 109 110 int 111 pfctl_show_tables(const char *anchor, int opts) 112 { 113 return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts); 114 } 115 116 int 117 pfctl_command_tables(int argc, char *argv[], char *tname, 118 const char *command, char *file, const char *anchor, int opts) 119 { 120 if (tname == NULL || command == NULL) 121 usage(); 122 return pfctl_table(argc, argv, tname, command, file, anchor, opts); 123 } 124 125 int 126 pfctl_table(int argc, char *argv[], char *tname, const char *command, 127 char *file, const char *anchor, int opts) 128 { 129 struct pfr_table table; 130 struct pfr_buffer b, b2; 131 const struct pfr_addr *a, *a2; 132 int nadd = 0, ndel = 0, nchange = 0, nzero = 0; 133 int rv = 0, flags = 0, nmatch = 0; 134 const void *p; 135 136 if (command == NULL) 137 usage(); 138 if (opts & PF_OPT_NOACTION) 139 flags |= PFR_FLAG_DUMMY; 140 141 bzero(&b, sizeof(b)); 142 bzero(&b2, sizeof(b2)); 143 bzero(&table, sizeof(table)); 144 if (tname != NULL) { 145 if (strlen(tname) >= PF_TABLE_NAME_SIZE) 146 usage(); 147 if (strlcpy(table.pfrt_name, tname, 148 sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name)) 149 errx(1, "pfctl_table: strlcpy"); 150 } 151 if (strlcpy(table.pfrt_anchor, anchor, 152 sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor)) 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, "expire")) { 258 const char *errstr; 259 u_int lifetime; 260 261 b.pfrb_type = PFRB_ASTATS; 262 b2.pfrb_type = PFRB_ADDRS; 263 if (argc != 1 || file != NULL) 264 usage(); 265 lifetime = strtonum(*argv, 0, UINT_MAX, &errstr); 266 if (errstr) 267 errx(1, "expiry time: %s", errstr); 268 for (;;) { 269 pfr_buf_grow(&b, b.pfrb_size); 270 b.pfrb_size = b.pfrb_msize; 271 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 272 &b.pfrb_size, flags)); 273 if (b.pfrb_size <= b.pfrb_msize) 274 break; 275 } 276 PFRB_FOREACH(p, &b) { 277 ((struct pfr_astats *)p)->pfras_a.pfra_fback = 0; 278 if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero > 279 lifetime) 280 if (pfr_buf_add(&b2, 281 &((struct pfr_astats *)p)->pfras_a)) 282 err(1, "duplicate buffer"); 283 } 284 285 if (opts & PF_OPT_VERBOSE) 286 flags |= PFR_FLAG_FEEDBACK; 287 RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size, 288 &ndel, flags)); 289 xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size); 290 if (opts & PF_OPT_VERBOSE) 291 PFRB_FOREACH(a, &b2) 292 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 293 print_addrx(a, NULL, 294 opts & PF_OPT_USEDNS); 295 } else if (!strcmp(command, "show")) { 296 b.pfrb_type = (opts & PF_OPT_VERBOSE) ? 297 PFRB_ASTATS : PFRB_ADDRS; 298 if (argc || file != NULL) 299 usage(); 300 for (;;) { 301 pfr_buf_grow(&b, b.pfrb_size); 302 b.pfrb_size = b.pfrb_msize; 303 if (opts & PF_OPT_VERBOSE) 304 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 305 &b.pfrb_size, flags)); 306 else 307 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr, 308 &b.pfrb_size, flags)); 309 if (b.pfrb_size <= b.pfrb_msize) 310 break; 311 } 312 PFRB_FOREACH(p, &b) 313 if (opts & PF_OPT_VERBOSE) 314 print_astats(p, opts & PF_OPT_USEDNS); 315 else 316 print_addrx(p, NULL, opts & PF_OPT_USEDNS); 317 } else if (!strcmp(command, "test")) { 318 b.pfrb_type = PFRB_ADDRS; 319 b2.pfrb_type = PFRB_ADDRS; 320 321 if (load_addr(&b, argc, argv, file, 1)) 322 goto _error; 323 if (opts & PF_OPT_VERBOSE2) { 324 flags |= PFR_FLAG_REPLACE; 325 PFRB_FOREACH(a, &b) 326 if (pfr_buf_add(&b2, a)) 327 err(1, "duplicate buffer"); 328 } 329 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size, 330 &nmatch, flags)); 331 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size); 332 if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2)) 333 PFRB_FOREACH(a, &b) 334 if (a->pfra_fback == PFR_FB_MATCH) 335 print_addrx(a, NULL, 336 opts & PF_OPT_USEDNS); 337 if (opts & PF_OPT_VERBOSE2) { 338 a2 = NULL; 339 PFRB_FOREACH(a, &b) { 340 a2 = pfr_buf_next(&b2, a2); 341 print_addrx(a2, a, opts & PF_OPT_USEDNS); 342 } 343 } 344 if (nmatch < b.pfrb_size) 345 rv = 2; 346 } else if (!strcmp(command, "zero")) { 347 if (argc || file != NULL) 348 usage(); 349 flags |= PFR_FLAG_ADDRSTOO; 350 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags)); 351 xprintf(opts, "%d table/stats cleared", nzero); 352 } else 353 warnx("pfctl_table: unknown command '%s'", command); 354 goto _cleanup; 355 356 _error: 357 rv = -1; 358 _cleanup: 359 pfr_buf_clear(&b); 360 pfr_buf_clear(&b2); 361 return (rv); 362 } 363 364 void 365 print_table(const struct pfr_table *ta, int verbose, int debug) 366 { 367 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE)) 368 return; 369 if (verbose) { 370 printf("%c%c%c%c%c%c%c\t%s", 371 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-', 372 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-', 373 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-', 374 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-', 375 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-', 376 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-', 377 (ta->pfrt_flags & PFR_TFLAG_COUNTERS) ? 'C' : '-', 378 ta->pfrt_name); 379 if (ta->pfrt_anchor[0]) 380 printf("\t%s", ta->pfrt_anchor); 381 puts(""); 382 } else 383 puts(ta->pfrt_name); 384 } 385 386 void 387 print_tstats(const struct pfr_tstats *ts, int debug) 388 { 389 time_t rtime = ts->pfrts_tzero; 390 int dir, op; 391 392 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE)) 393 return; 394 print_table(&ts->pfrts_t, 1, debug); 395 printf("\tAddresses: %d\n", ts->pfrts_cnt); 396 printf("\tCleared: %s", ctime(&rtime)); 397 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n", 398 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR], 399 ts->pfrts_refcnt[PFR_REFCNT_RULE]); 400 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n", 401 (unsigned long long)ts->pfrts_nomatch, 402 (unsigned long long)ts->pfrts_match); 403 for (dir = 0; dir < PFR_DIR_MAX; dir++) 404 for (op = 0; op < PFR_OP_TABLE_MAX; op++) 405 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 406 stats_text[dir][op], 407 (unsigned long long)ts->pfrts_packets[dir][op], 408 (unsigned long long)ts->pfrts_bytes[dir][op]); 409 } 410 411 int 412 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file, 413 int nonetwork) 414 { 415 while (argc--) 416 if (append_addr(b, *argv++, nonetwork)) { 417 if (errno) 418 warn("cannot decode %s", argv[-1]); 419 return (-1); 420 } 421 if (pfr_buf_load(b, file, nonetwork, append_addr)) { 422 warn("cannot load %s", file); 423 return (-1); 424 } 425 return (0); 426 } 427 428 void 429 print_addrx(const struct pfr_addr *ad, const struct pfr_addr *rad, int dns) 430 { 431 char ch, buf[256] = "{error}"; 432 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y', ' ' }; 433 unsigned int fback, hostnet; 434 435 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback; 436 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?'; 437 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32; 438 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf)); 439 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf); 440 if (ad->pfra_net < hostnet) 441 printf("/%d", ad->pfra_net); 442 if (rad != NULL && fback != PFR_FB_NONE) { 443 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf)) 444 errx(1, "print_addrx: strlcpy"); 445 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf)); 446 printf("\t%c%s", (rad->pfra_not?'!':' '), buf); 447 if (rad->pfra_net < hostnet) 448 printf("/%d", rad->pfra_net); 449 } 450 if (rad != NULL && fback == PFR_FB_NONE) 451 printf("\t nomatch"); 452 if (dns && ad->pfra_net == hostnet) { 453 char hostname[NI_MAXHOST]; 454 union sockaddr_union sa; 455 456 strlcpy(hostname, "?", sizeof(hostname)); 457 bzero(&sa, sizeof(sa)); 458 sa.sa.sa_family = ad->pfra_af; 459 if (sa.sa.sa_family == AF_INET) { 460 sa.sa.sa_len = sizeof(sa.sin); 461 sa.sin.sin_addr = ad->pfra_ip4addr; 462 } else { 463 sa.sa.sa_len = sizeof(sa.sin6); 464 sa.sin6.sin6_addr = ad->pfra_ip6addr; 465 } 466 if (getnameinfo(&sa.sa, sa.sa.sa_len, hostname, sizeof(hostname), 467 NULL, 0, NI_NAMEREQD) == 0) 468 printf("\t(%s)", hostname); 469 } 470 printf("\n"); 471 } 472 473 void 474 print_astats(const struct pfr_astats *as, int dns) 475 { 476 time_t rtime = as->pfras_tzero; 477 int dir, op; 478 479 print_addrx(&as->pfras_a, NULL, dns); 480 printf("\tCleared: %s", ctime(&rtime)); 481 if (as->pfras_a.pfra_fback == PFR_FB_NOCOUNT) 482 return; 483 for (dir = 0; dir < PFR_DIR_MAX; dir++) 484 for (op = 0; op < PFR_OP_ADDR_MAX; op++) 485 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 486 stats_text[dir][op], 487 (unsigned long long)as->pfras_packets[dir][op], 488 (unsigned long long)as->pfras_bytes[dir][op]); 489 } 490 491 void 492 radix_perror(void) 493 { 494 fprintf(stderr, "%s: %s.\n", getprogname(), pfr_strerror(errno)); 495 } 496 497 int 498 pfctl_define_table(char *name, int flags, int addrs, const char *anchor, 499 struct pfr_buffer *ab, u_int32_t ticket) 500 { 501 struct pfr_table tbl; 502 503 bzero(&tbl, sizeof(tbl)); 504 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >= 505 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor, 506 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor)) 507 errx(1, "pfctl_define_table: strlcpy"); 508 tbl.pfrt_flags = flags; 509 510 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL, 511 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0); 512 } 513 514 void 515 warn_namespace_collision(const char *filter) 516 { 517 struct pfr_buffer b; 518 const struct pfr_table *t; 519 const char *name = NULL, *lastcoll; 520 int coll = 0; 521 522 bzero(&b, sizeof(b)); 523 b.pfrb_type = PFRB_TABLES; 524 for (;;) { 525 pfr_buf_grow(&b, b.pfrb_size); 526 b.pfrb_size = b.pfrb_msize; 527 if (pfr_get_tables(NULL, b.pfrb_caddr, 528 &b.pfrb_size, PFR_FLAG_ALLRSETS)) 529 err(1, "pfr_get_tables"); 530 if (b.pfrb_size <= b.pfrb_msize) 531 break; 532 } 533 PFRB_FOREACH(t, &b) { 534 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE)) 535 continue; 536 if (filter != NULL && strcmp(filter, t->pfrt_name)) 537 continue; 538 if (!t->pfrt_anchor[0]) 539 name = t->pfrt_name; 540 else if (name != NULL && !strcmp(name, t->pfrt_name)) { 541 coll++; 542 lastcoll = name; 543 name = NULL; 544 } 545 } 546 if (coll == 1) 547 warnx("warning: namespace collision with <%s> global table.", 548 lastcoll); 549 else if (coll > 1) 550 warnx("warning: namespace collisions with %d global tables.", 551 coll); 552 pfr_buf_clear(&b); 553 } 554 555 void 556 xprintf(int opts, const char *fmt, ...) 557 { 558 va_list args; 559 560 if (opts & PF_OPT_QUIET) 561 return; 562 563 va_start(args, fmt); 564 vfprintf(stderr, fmt, args); 565 va_end(args); 566 567 if (opts & PF_OPT_DUMMYACTION) 568 fprintf(stderr, " (dummy).\n"); 569 else if (opts & PF_OPT_NOACTION) 570 fprintf(stderr, " (syntax only).\n"); 571 else 572 fprintf(stderr, ".\n"); 573 } 574 575 576 /* interface stuff */ 577 578 int 579 pfctl_show_ifaces(const char *filter, int opts) 580 { 581 struct pfr_buffer b; 582 const struct pfi_kif *p; 583 int i = 0; 584 585 bzero(&b, sizeof(b)); 586 b.pfrb_type = PFRB_IFACES; 587 for (;;) { 588 pfr_buf_grow(&b, b.pfrb_size); 589 b.pfrb_size = b.pfrb_msize; 590 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) { 591 radix_perror(); 592 return (1); 593 } 594 if (b.pfrb_size <= b.pfrb_msize) 595 break; 596 i++; 597 } 598 if (opts & PF_OPT_SHOWALL) 599 pfctl_print_title("INTERFACES:"); 600 PFRB_FOREACH(p, &b) 601 print_iface(p, opts); 602 return (0); 603 } 604 605 void 606 print_iface(const struct pfi_kif *p, int opts) 607 { 608 time_t tzero = p->pfik_tzero; 609 int i, af, dir, act; 610 611 printf("%s", p->pfik_name); 612 if (opts & PF_OPT_VERBOSE) { 613 if (p->pfik_flags & PFI_IFLAG_SKIP) 614 printf(" (skip)"); 615 } 616 printf("\n"); 617 618 if (!(opts & PF_OPT_VERBOSE2)) 619 return; 620 printf("\tCleared: %s", ctime(&tzero)); 621 printf("\tReferences: [ States: %-18d Rules: %-18d ]\n", 622 p->pfik_states, p->pfik_rules); 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