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 __FBSDID("$FreeBSD$"); 37 38 #include <sys/types.h> 39 #include <sys/ioctl.h> 40 #include <sys/socket.h> 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 *, 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_kif *, int); 70 71 static const char *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = { 72 { "In/Block:", "In/Pass:", "In/XPass:" }, 73 { "Out/Block:", "Out/Pass:", "Out/XPass:" } 74 }; 75 76 static const char *istats_text[2][2][2] = { 77 { { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } }, 78 { { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } } 79 }; 80 81 #define RVTEST(fct) do { \ 82 if ((!(opts & PF_OPT_NOACTION) || \ 83 (opts & PF_OPT_DUMMYACTION)) && \ 84 (fct)) { \ 85 radix_perror(); \ 86 goto _error; \ 87 } \ 88 } while (0) 89 90 #define CREATE_TABLE do { \ 91 table.pfrt_flags |= PFR_TFLAG_PERSIST; \ 92 if ((!(opts & PF_OPT_NOACTION) || \ 93 (opts & PF_OPT_DUMMYACTION)) && \ 94 (pfr_add_tables(&table, 1, &nadd, flags)) && \ 95 (errno != EPERM)) { \ 96 radix_perror(); \ 97 goto _error; \ 98 } \ 99 if (nadd) { \ 100 warn_namespace_collision(table.pfrt_name); \ 101 xprintf(opts, "%d table created", nadd); \ 102 if (opts & PF_OPT_NOACTION) \ 103 return (0); \ 104 } \ 105 table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \ 106 } while(0) 107 108 int 109 pfctl_clear_tables(const char *anchor, int opts) 110 { 111 return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts); 112 } 113 114 int 115 pfctl_show_tables(const char *anchor, int opts) 116 { 117 return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts); 118 } 119 120 int 121 pfctl_command_tables(int argc, char *argv[], char *tname, 122 const char *command, char *file, const char *anchor, int opts) 123 { 124 if (tname == NULL || command == NULL) 125 usage(); 126 return pfctl_table(argc, argv, tname, command, file, anchor, opts); 127 } 128 129 int 130 pfctl_table(int argc, char *argv[], char *tname, const char *command, 131 char *file, const char *anchor, int opts) 132 { 133 struct pfr_table table; 134 struct pfr_buffer b, b2; 135 struct pfr_addr *a, *a2; 136 int nadd = 0, ndel = 0, nchange = 0, nzero = 0; 137 int rv = 0, flags = 0, nmatch = 0; 138 void *p; 139 140 if (command == NULL) 141 usage(); 142 if (opts & PF_OPT_NOACTION) 143 flags |= PFR_FLAG_DUMMY; 144 145 bzero(&b, sizeof(b)); 146 bzero(&b2, sizeof(b2)); 147 bzero(&table, sizeof(table)); 148 if (tname != NULL) { 149 if (strlen(tname) >= PF_TABLE_NAME_SIZE) 150 usage(); 151 if (strlcpy(table.pfrt_name, tname, 152 sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name)) 153 errx(1, "pfctl_table: strlcpy"); 154 } 155 if (strlcpy(table.pfrt_anchor, anchor, 156 sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor)) 157 errx(1, "pfctl_table: strlcpy"); 158 159 if (!strcmp(command, "-F")) { 160 if (argc || file != NULL) 161 usage(); 162 RVTEST(pfr_clr_tables(&table, &ndel, flags)); 163 xprintf(opts, "%d tables deleted", ndel); 164 } else if (!strcmp(command, "-s")) { 165 b.pfrb_type = (opts & PF_OPT_VERBOSE2) ? 166 PFRB_TSTATS : PFRB_TABLES; 167 if (argc || file != NULL) 168 usage(); 169 for (;;) { 170 pfr_buf_grow(&b, b.pfrb_size); 171 b.pfrb_size = b.pfrb_msize; 172 if (opts & PF_OPT_VERBOSE2) 173 RVTEST(pfr_get_tstats(&table, 174 b.pfrb_caddr, &b.pfrb_size, flags)); 175 else 176 RVTEST(pfr_get_tables(&table, 177 b.pfrb_caddr, &b.pfrb_size, flags)); 178 if (b.pfrb_size <= b.pfrb_msize) 179 break; 180 } 181 182 if ((opts & PF_OPT_SHOWALL) && b.pfrb_size > 0) 183 pfctl_print_title("TABLES:"); 184 185 PFRB_FOREACH(p, &b) 186 if (opts & PF_OPT_VERBOSE2) 187 print_tstats(p, opts & PF_OPT_DEBUG); 188 else 189 print_table(p, opts & PF_OPT_VERBOSE, 190 opts & PF_OPT_DEBUG); 191 } else if (!strcmp(command, "kill")) { 192 if (argc || file != NULL) 193 usage(); 194 RVTEST(pfr_del_tables(&table, 1, &ndel, flags)); 195 xprintf(opts, "%d table deleted", ndel); 196 } else if (!strcmp(command, "flush")) { 197 if (argc || file != NULL) 198 usage(); 199 RVTEST(pfr_clr_addrs(&table, &ndel, flags)); 200 xprintf(opts, "%d addresses deleted", ndel); 201 } else if (!strcmp(command, "add")) { 202 b.pfrb_type = PFRB_ADDRS; 203 if (load_addr(&b, argc, argv, file, 0)) 204 goto _error; 205 CREATE_TABLE; 206 if (opts & PF_OPT_VERBOSE) 207 flags |= PFR_FLAG_FEEDBACK; 208 RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size, 209 &nadd, flags)); 210 xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size); 211 if (opts & PF_OPT_VERBOSE) 212 PFRB_FOREACH(a, &b) 213 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 214 print_addrx(a, NULL, 215 opts & PF_OPT_USEDNS); 216 } else if (!strcmp(command, "delete")) { 217 b.pfrb_type = PFRB_ADDRS; 218 if (load_addr(&b, argc, argv, file, 0)) 219 goto _error; 220 if (opts & PF_OPT_VERBOSE) 221 flags |= PFR_FLAG_FEEDBACK; 222 RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size, 223 &ndel, flags)); 224 xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size); 225 if (opts & PF_OPT_VERBOSE) 226 PFRB_FOREACH(a, &b) 227 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 228 print_addrx(a, NULL, 229 opts & PF_OPT_USEDNS); 230 } else if (!strcmp(command, "replace")) { 231 b.pfrb_type = PFRB_ADDRS; 232 if (load_addr(&b, argc, argv, file, 0)) 233 goto _error; 234 CREATE_TABLE; 235 if (opts & PF_OPT_VERBOSE) 236 flags |= PFR_FLAG_FEEDBACK; 237 for (;;) { 238 int sz2 = b.pfrb_msize; 239 240 RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size, 241 &sz2, &nadd, &ndel, &nchange, flags)); 242 if (sz2 <= b.pfrb_msize) { 243 b.pfrb_size = sz2; 244 break; 245 } else 246 pfr_buf_grow(&b, sz2); 247 } 248 if (nadd) 249 xprintf(opts, "%d addresses added", nadd); 250 if (ndel) 251 xprintf(opts, "%d addresses deleted", ndel); 252 if (nchange) 253 xprintf(opts, "%d addresses changed", nchange); 254 if (!nadd && !ndel && !nchange) 255 xprintf(opts, "no changes"); 256 if (opts & PF_OPT_VERBOSE) 257 PFRB_FOREACH(a, &b) 258 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 259 print_addrx(a, NULL, 260 opts & PF_OPT_USEDNS); 261 } else if (!strcmp(command, "expire")) { 262 const char *errstr; 263 u_int lifetime; 264 265 b.pfrb_type = PFRB_ASTATS; 266 b2.pfrb_type = PFRB_ADDRS; 267 if (argc != 1 || file != NULL) 268 usage(); 269 lifetime = strtonum(*argv, 0, UINT_MAX, &errstr); 270 if (errstr) 271 errx(1, "expiry time: %s", errstr); 272 for (;;) { 273 pfr_buf_grow(&b, b.pfrb_size); 274 b.pfrb_size = b.pfrb_msize; 275 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 276 &b.pfrb_size, flags)); 277 if (b.pfrb_size <= b.pfrb_msize) 278 break; 279 } 280 PFRB_FOREACH(p, &b) { 281 ((struct pfr_astats *)p)->pfras_a.pfra_fback = 0; 282 if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero > 283 lifetime) 284 if (pfr_buf_add(&b2, 285 &((struct pfr_astats *)p)->pfras_a)) 286 err(1, "duplicate buffer"); 287 } 288 289 if (opts & PF_OPT_VERBOSE) 290 flags |= PFR_FLAG_FEEDBACK; 291 RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size, 292 &ndel, flags)); 293 xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size); 294 if (opts & PF_OPT_VERBOSE) 295 PFRB_FOREACH(a, &b2) 296 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 297 print_addrx(a, NULL, 298 opts & PF_OPT_USEDNS); 299 } else if (!strcmp(command, "show")) { 300 b.pfrb_type = (opts & PF_OPT_VERBOSE) ? 301 PFRB_ASTATS : PFRB_ADDRS; 302 if (argc || file != NULL) 303 usage(); 304 for (;;) { 305 pfr_buf_grow(&b, b.pfrb_size); 306 b.pfrb_size = b.pfrb_msize; 307 if (opts & PF_OPT_VERBOSE) 308 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 309 &b.pfrb_size, flags)); 310 else 311 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr, 312 &b.pfrb_size, flags)); 313 if (b.pfrb_size <= b.pfrb_msize) 314 break; 315 } 316 PFRB_FOREACH(p, &b) 317 if (opts & PF_OPT_VERBOSE) 318 print_astats(p, opts & PF_OPT_USEDNS); 319 else 320 print_addrx(p, NULL, opts & PF_OPT_USEDNS); 321 } else if (!strcmp(command, "test")) { 322 b.pfrb_type = PFRB_ADDRS; 323 b2.pfrb_type = PFRB_ADDRS; 324 325 if (load_addr(&b, argc, argv, file, 1)) 326 goto _error; 327 if (opts & PF_OPT_VERBOSE2) { 328 flags |= PFR_FLAG_REPLACE; 329 PFRB_FOREACH(a, &b) 330 if (pfr_buf_add(&b2, a)) 331 err(1, "duplicate buffer"); 332 } 333 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size, 334 &nmatch, flags)); 335 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size); 336 if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2)) 337 PFRB_FOREACH(a, &b) 338 if (a->pfra_fback == PFR_FB_MATCH) 339 print_addrx(a, NULL, 340 opts & PF_OPT_USEDNS); 341 if (opts & PF_OPT_VERBOSE2) { 342 a2 = NULL; 343 PFRB_FOREACH(a, &b) { 344 a2 = pfr_buf_next(&b2, a2); 345 print_addrx(a2, a, opts & PF_OPT_USEDNS); 346 } 347 } 348 if (nmatch < b.pfrb_size) 349 rv = 2; 350 } else if (!strcmp(command, "zero")) { 351 if (argc || file != NULL) 352 usage(); 353 flags |= PFR_FLAG_ADDRSTOO; 354 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags)); 355 xprintf(opts, "%d table/stats cleared", nzero); 356 } else 357 warnx("pfctl_table: unknown command '%s'", command); 358 goto _cleanup; 359 360 _error: 361 rv = -1; 362 _cleanup: 363 pfr_buf_clear(&b); 364 pfr_buf_clear(&b2); 365 return (rv); 366 } 367 368 void 369 print_table(struct pfr_table *ta, int verbose, int debug) 370 { 371 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE)) 372 return; 373 if (verbose) { 374 printf("%c%c%c%c%c%c%c\t%s", 375 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-', 376 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-', 377 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-', 378 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-', 379 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-', 380 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-', 381 (ta->pfrt_flags & PFR_TFLAG_COUNTERS) ? 'C' : '-', 382 ta->pfrt_name); 383 if (ta->pfrt_anchor[0]) 384 printf("\t%s", ta->pfrt_anchor); 385 puts(""); 386 } else 387 puts(ta->pfrt_name); 388 } 389 390 void 391 print_tstats(struct pfr_tstats *ts, int debug) 392 { 393 time_t time = ts->pfrts_tzero; 394 int dir, op; 395 396 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE)) 397 return; 398 print_table(&ts->pfrts_t, 1, debug); 399 printf("\tAddresses: %d\n", ts->pfrts_cnt); 400 printf("\tCleared: %s", ctime(&time)); 401 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n", 402 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR], 403 ts->pfrts_refcnt[PFR_REFCNT_RULE]); 404 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n", 405 (unsigned long long)ts->pfrts_nomatch, 406 (unsigned long long)ts->pfrts_match); 407 for (dir = 0; dir < PFR_DIR_MAX; dir++) 408 for (op = 0; op < PFR_OP_TABLE_MAX; op++) 409 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 410 stats_text[dir][op], 411 (unsigned long long)ts->pfrts_packets[dir][op], 412 (unsigned long long)ts->pfrts_bytes[dir][op]); 413 } 414 415 int 416 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file, 417 int nonetwork) 418 { 419 while (argc--) 420 if (append_addr(b, *argv++, nonetwork)) { 421 if (errno) 422 warn("cannot decode %s", argv[-1]); 423 return (-1); 424 } 425 if (pfr_buf_load(b, file, nonetwork, append_addr)) { 426 warn("cannot load %s", file); 427 return (-1); 428 } 429 return (0); 430 } 431 432 void 433 print_addrx(struct pfr_addr *ad, struct pfr_addr *rad, int dns) 434 { 435 char ch, buf[256] = "{error}"; 436 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y', ' ' }; 437 unsigned int fback, hostnet; 438 439 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback; 440 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?'; 441 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32; 442 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf)); 443 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf); 444 if (ad->pfra_net < hostnet) 445 printf("/%d", ad->pfra_net); 446 if (rad != NULL && fback != PFR_FB_NONE) { 447 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf)) 448 errx(1, "print_addrx: strlcpy"); 449 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf)); 450 printf("\t%c%s", (rad->pfra_not?'!':' '), buf); 451 if (rad->pfra_net < hostnet) 452 printf("/%d", rad->pfra_net); 453 } 454 if (rad != NULL && fback == PFR_FB_NONE) 455 printf("\t nomatch"); 456 if (dns && ad->pfra_net == hostnet) { 457 char host[NI_MAXHOST]; 458 union sockaddr_union sa; 459 460 strlcpy(host, "?", sizeof(host)); 461 bzero(&sa, sizeof(sa)); 462 sa.sa.sa_family = ad->pfra_af; 463 if (sa.sa.sa_family == AF_INET) { 464 sa.sa.sa_len = sizeof(sa.sin); 465 sa.sin.sin_addr = ad->pfra_ip4addr; 466 } else { 467 sa.sa.sa_len = sizeof(sa.sin6); 468 sa.sin6.sin6_addr = ad->pfra_ip6addr; 469 } 470 if (getnameinfo(&sa.sa, sa.sa.sa_len, host, sizeof(host), 471 NULL, 0, NI_NAMEREQD) == 0) 472 printf("\t(%s)", host); 473 } 474 printf("\n"); 475 } 476 477 void 478 print_astats(struct pfr_astats *as, int dns) 479 { 480 time_t time = as->pfras_tzero; 481 int dir, op; 482 483 print_addrx(&as->pfras_a, NULL, dns); 484 printf("\tCleared: %s", ctime(&time)); 485 if (as->pfras_a.pfra_fback == PFR_FB_NOCOUNT) 486 return; 487 for (dir = 0; dir < PFR_DIR_MAX; dir++) 488 for (op = 0; op < PFR_OP_ADDR_MAX; op++) 489 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 490 stats_text[dir][op], 491 (unsigned long long)as->pfras_packets[dir][op], 492 (unsigned long long)as->pfras_bytes[dir][op]); 493 } 494 495 void 496 radix_perror(void) 497 { 498 extern char *__progname; 499 fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno)); 500 } 501 502 int 503 pfctl_define_table(char *name, int flags, int addrs, const char *anchor, 504 struct pfr_buffer *ab, u_int32_t ticket) 505 { 506 struct pfr_table tbl; 507 508 bzero(&tbl, sizeof(tbl)); 509 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >= 510 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor, 511 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor)) 512 errx(1, "pfctl_define_table: strlcpy"); 513 tbl.pfrt_flags = flags; 514 515 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL, 516 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0); 517 } 518 519 void 520 warn_namespace_collision(const char *filter) 521 { 522 struct pfr_buffer b; 523 struct pfr_table *t; 524 const char *name = NULL, *lastcoll; 525 int coll = 0; 526 527 bzero(&b, sizeof(b)); 528 b.pfrb_type = PFRB_TABLES; 529 for (;;) { 530 pfr_buf_grow(&b, b.pfrb_size); 531 b.pfrb_size = b.pfrb_msize; 532 if (pfr_get_tables(NULL, b.pfrb_caddr, 533 &b.pfrb_size, PFR_FLAG_ALLRSETS)) 534 err(1, "pfr_get_tables"); 535 if (b.pfrb_size <= b.pfrb_msize) 536 break; 537 } 538 PFRB_FOREACH(t, &b) { 539 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE)) 540 continue; 541 if (filter != NULL && strcmp(filter, t->pfrt_name)) 542 continue; 543 if (!t->pfrt_anchor[0]) 544 name = t->pfrt_name; 545 else if (name != NULL && !strcmp(name, t->pfrt_name)) { 546 coll++; 547 lastcoll = name; 548 name = NULL; 549 } 550 } 551 if (coll == 1) 552 warnx("warning: namespace collision with <%s> global table.", 553 lastcoll); 554 else if (coll > 1) 555 warnx("warning: namespace collisions with %d global tables.", 556 coll); 557 pfr_buf_clear(&b); 558 } 559 560 void 561 xprintf(int opts, const char *fmt, ...) 562 { 563 va_list args; 564 565 if (opts & PF_OPT_QUIET) 566 return; 567 568 va_start(args, fmt); 569 vfprintf(stderr, fmt, args); 570 va_end(args); 571 572 if (opts & PF_OPT_DUMMYACTION) 573 fprintf(stderr, " (dummy).\n"); 574 else if (opts & PF_OPT_NOACTION) 575 fprintf(stderr, " (syntax only).\n"); 576 else 577 fprintf(stderr, ".\n"); 578 } 579 580 581 /* interface stuff */ 582 583 int 584 pfctl_show_ifaces(const char *filter, int opts) 585 { 586 struct pfr_buffer b; 587 struct pfi_kif *p; 588 int i = 0; 589 590 bzero(&b, sizeof(b)); 591 b.pfrb_type = PFRB_IFACES; 592 for (;;) { 593 pfr_buf_grow(&b, b.pfrb_size); 594 b.pfrb_size = b.pfrb_msize; 595 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) { 596 radix_perror(); 597 return (1); 598 } 599 if (b.pfrb_size <= b.pfrb_msize) 600 break; 601 i++; 602 } 603 if (opts & PF_OPT_SHOWALL) 604 pfctl_print_title("INTERFACES:"); 605 PFRB_FOREACH(p, &b) 606 print_iface(p, opts); 607 return (0); 608 } 609 610 void 611 print_iface(struct pfi_kif *p, int opts) 612 { 613 time_t tzero = p->pfik_tzero; 614 int i, af, dir, act; 615 616 printf("%s", p->pfik_name); 617 if (opts & PF_OPT_VERBOSE) { 618 if (p->pfik_flags & PFI_IFLAG_SKIP) 619 printf(" (skip)"); 620 } 621 printf("\n"); 622 623 if (!(opts & PF_OPT_VERBOSE2)) 624 return; 625 printf("\tCleared: %s", ctime(&tzero)); 626 printf("\tReferences: %-18d\n", p->pfik_rulerefs); 627 for (i = 0; i < 8; i++) { 628 af = (i>>2) & 1; 629 dir = (i>>1) &1; 630 act = i & 1; 631 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 632 istats_text[af][dir][act], 633 (unsigned long long)p->pfik_packets[af][dir][act], 634 (unsigned long long)p->pfik_bytes[af][dir][act]); 635 } 636 } 637