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/types.h> 36 #include <sys/ioctl.h> 37 #include <sys/socket.h> 38 39 #include <net/if.h> 40 #include <net/pfvar.h> 41 #include <arpa/inet.h> 42 43 #include <ctype.h> 44 #include <err.h> 45 #include <errno.h> 46 #include <netdb.h> 47 #include <stdarg.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <time.h> 52 53 #include "pfctl_parser.h" 54 #include "pfctl.h" 55 56 extern void usage(void); 57 static int pfctl_table(int, char *[], char *, const char *, char *, 58 const char *, int); 59 static void print_table(struct pfr_table *, int, int); 60 static void print_tstats(struct pfr_tstats *, int); 61 static int load_addr(struct pfr_buffer *, int, char *[], char *, int); 62 static void print_addrx(struct pfr_addr *, struct pfr_addr *, int); 63 static void print_astats(struct pfr_astats *, int); 64 static void radix_perror(void); 65 static void xprintf(int, const char *, ...); 66 static void print_iface(struct pfi_kif *, int); 67 68 static const char *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = { 69 { "In/Block:", "In/Pass:", "In/XPass:" }, 70 { "Out/Block:", "Out/Pass:", "Out/XPass:" } 71 }; 72 73 static const char *istats_text[2][2][2] = { 74 { { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } }, 75 { { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } } 76 }; 77 78 #define RVTEST(fct) do { \ 79 if ((!(opts & PF_OPT_NOACTION) || \ 80 (opts & PF_OPT_DUMMYACTION)) && \ 81 (fct)) { \ 82 radix_perror(); \ 83 goto _error; \ 84 } \ 85 } while (0) 86 87 #define CREATE_TABLE do { \ 88 table.pfrt_flags |= PFR_TFLAG_PERSIST; \ 89 if ((!(opts & PF_OPT_NOACTION) || \ 90 (opts & PF_OPT_DUMMYACTION)) && \ 91 (pfr_add_tables(&table, 1, &nadd, flags)) && \ 92 (errno != EPERM)) { \ 93 radix_perror(); \ 94 goto _error; \ 95 } \ 96 if (nadd) { \ 97 warn_namespace_collision(table.pfrt_name); \ 98 xprintf(opts, "%d table created", nadd); \ 99 if (opts & PF_OPT_NOACTION) \ 100 return (0); \ 101 } \ 102 table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \ 103 } while(0) 104 105 int 106 pfctl_clear_tables(const char *anchor, int opts) 107 { 108 return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts); 109 } 110 111 int 112 pfctl_show_tables(const char *anchor, int opts) 113 { 114 return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts); 115 } 116 117 int 118 pfctl_command_tables(int argc, char *argv[], char *tname, 119 const char *command, char *file, const char *anchor, int opts) 120 { 121 if (tname == NULL || command == NULL) 122 usage(); 123 return pfctl_table(argc, argv, tname, command, file, anchor, opts); 124 } 125 126 int 127 pfctl_table(int argc, char *argv[], char *tname, const char *command, 128 char *file, const char *anchor, 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 errx(1, "pfctl_table: strlcpy"); 155 156 if (!strcmp(command, "-F")) { 157 if (argc || file != NULL) 158 usage(); 159 RVTEST(pfr_clr_tables(&table, &ndel, flags)); 160 xprintf(opts, "%d tables deleted", ndel); 161 } else if (!strcmp(command, "-s")) { 162 b.pfrb_type = (opts & PF_OPT_VERBOSE2) ? 163 PFRB_TSTATS : PFRB_TABLES; 164 if (argc || file != NULL) 165 usage(); 166 for (;;) { 167 pfr_buf_grow(&b, b.pfrb_size); 168 b.pfrb_size = b.pfrb_msize; 169 if (opts & PF_OPT_VERBOSE2) 170 RVTEST(pfr_get_tstats(&table, 171 b.pfrb_caddr, &b.pfrb_size, flags)); 172 else 173 RVTEST(pfr_get_tables(&table, 174 b.pfrb_caddr, &b.pfrb_size, flags)); 175 if (b.pfrb_size <= b.pfrb_msize) 176 break; 177 } 178 179 if ((opts & PF_OPT_SHOWALL) && b.pfrb_size > 0) 180 pfctl_print_title("TABLES:"); 181 182 PFRB_FOREACH(p, &b) 183 if (opts & PF_OPT_VERBOSE2) 184 print_tstats(p, opts & PF_OPT_DEBUG); 185 else 186 print_table(p, opts & PF_OPT_VERBOSE, 187 opts & PF_OPT_DEBUG); 188 } else if (!strcmp(command, "kill")) { 189 if (argc || file != NULL) 190 usage(); 191 RVTEST(pfr_del_tables(&table, 1, &ndel, flags)); 192 xprintf(opts, "%d table deleted", ndel); 193 } else if (!strcmp(command, "flush")) { 194 if (argc || file != NULL) 195 usage(); 196 RVTEST(pfr_clr_addrs(&table, &ndel, flags)); 197 xprintf(opts, "%d addresses deleted", ndel); 198 } else if (!strcmp(command, "add")) { 199 b.pfrb_type = PFRB_ADDRS; 200 if (load_addr(&b, argc, argv, file, 0)) 201 goto _error; 202 CREATE_TABLE; 203 if (opts & PF_OPT_VERBOSE) 204 flags |= PFR_FLAG_FEEDBACK; 205 RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size, 206 &nadd, flags)); 207 xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size); 208 if (opts & PF_OPT_VERBOSE) 209 PFRB_FOREACH(a, &b) 210 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 211 print_addrx(a, NULL, 212 opts & PF_OPT_USEDNS); 213 } else if (!strcmp(command, "delete")) { 214 b.pfrb_type = PFRB_ADDRS; 215 if (load_addr(&b, argc, argv, file, 0)) 216 goto _error; 217 if (opts & PF_OPT_VERBOSE) 218 flags |= PFR_FLAG_FEEDBACK; 219 RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size, 220 &ndel, flags)); 221 xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size); 222 if (opts & PF_OPT_VERBOSE) 223 PFRB_FOREACH(a, &b) 224 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 225 print_addrx(a, NULL, 226 opts & PF_OPT_USEDNS); 227 } else if (!strcmp(command, "replace")) { 228 b.pfrb_type = PFRB_ADDRS; 229 if (load_addr(&b, argc, argv, file, 0)) 230 goto _error; 231 CREATE_TABLE; 232 if (opts & PF_OPT_VERBOSE) 233 flags |= PFR_FLAG_FEEDBACK; 234 for (;;) { 235 int sz2 = b.pfrb_msize; 236 237 RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size, 238 &sz2, &nadd, &ndel, &nchange, flags)); 239 if (sz2 <= b.pfrb_msize) { 240 b.pfrb_size = sz2; 241 break; 242 } else 243 pfr_buf_grow(&b, sz2); 244 } 245 if (nadd) 246 xprintf(opts, "%d addresses added", nadd); 247 if (ndel) 248 xprintf(opts, "%d addresses deleted", ndel); 249 if (nchange) 250 xprintf(opts, "%d addresses changed", nchange); 251 if (!nadd && !ndel && !nchange) 252 xprintf(opts, "no changes"); 253 if (opts & PF_OPT_VERBOSE) 254 PFRB_FOREACH(a, &b) 255 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 256 print_addrx(a, NULL, 257 opts & PF_OPT_USEDNS); 258 } else if (!strcmp(command, "expire")) { 259 const char *errstr; 260 u_int lifetime; 261 262 b.pfrb_type = PFRB_ASTATS; 263 b2.pfrb_type = PFRB_ADDRS; 264 if (argc != 1 || file != NULL) 265 usage(); 266 lifetime = strtonum(*argv, 0, UINT_MAX, &errstr); 267 if (errstr) 268 errx(1, "expiry time: %s", errstr); 269 for (;;) { 270 pfr_buf_grow(&b, b.pfrb_size); 271 b.pfrb_size = b.pfrb_msize; 272 RVTEST(pfr_get_astats(&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 ((struct pfr_astats *)p)->pfras_a.pfra_fback = 0; 279 if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero > 280 lifetime) 281 if (pfr_buf_add(&b2, 282 &((struct pfr_astats *)p)->pfras_a)) 283 err(1, "duplicate buffer"); 284 } 285 286 if (opts & PF_OPT_VERBOSE) 287 flags |= PFR_FLAG_FEEDBACK; 288 RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size, 289 &ndel, flags)); 290 xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size); 291 if (opts & PF_OPT_VERBOSE) 292 PFRB_FOREACH(a, &b2) 293 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 294 print_addrx(a, NULL, 295 opts & PF_OPT_USEDNS); 296 } else if (!strcmp(command, "show")) { 297 b.pfrb_type = (opts & PF_OPT_VERBOSE) ? 298 PFRB_ASTATS : PFRB_ADDRS; 299 if (argc || file != NULL) 300 usage(); 301 for (;;) { 302 pfr_buf_grow(&b, b.pfrb_size); 303 b.pfrb_size = b.pfrb_msize; 304 if (opts & PF_OPT_VERBOSE) 305 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 306 &b.pfrb_size, flags)); 307 else 308 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr, 309 &b.pfrb_size, flags)); 310 if (b.pfrb_size <= b.pfrb_msize) 311 break; 312 } 313 PFRB_FOREACH(p, &b) 314 if (opts & PF_OPT_VERBOSE) 315 print_astats(p, opts & PF_OPT_USEDNS); 316 else 317 print_addrx(p, NULL, opts & PF_OPT_USEDNS); 318 } else if (!strcmp(command, "test")) { 319 b.pfrb_type = PFRB_ADDRS; 320 b2.pfrb_type = PFRB_ADDRS; 321 322 if (load_addr(&b, argc, argv, file, 1)) 323 goto _error; 324 if (opts & PF_OPT_VERBOSE2) { 325 flags |= PFR_FLAG_REPLACE; 326 PFRB_FOREACH(a, &b) 327 if (pfr_buf_add(&b2, a)) 328 err(1, "duplicate buffer"); 329 } 330 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size, 331 &nmatch, flags)); 332 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size); 333 if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2)) 334 PFRB_FOREACH(a, &b) 335 if (a->pfra_fback == PFR_FB_MATCH) 336 print_addrx(a, NULL, 337 opts & PF_OPT_USEDNS); 338 if (opts & PF_OPT_VERBOSE2) { 339 a2 = NULL; 340 PFRB_FOREACH(a, &b) { 341 a2 = pfr_buf_next(&b2, a2); 342 print_addrx(a2, a, opts & PF_OPT_USEDNS); 343 } 344 } 345 if (nmatch < b.pfrb_size) 346 rv = 2; 347 } else if (!strcmp(command, "zero")) { 348 if (argc || file != NULL) 349 usage(); 350 flags |= PFR_FLAG_ADDRSTOO; 351 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags)); 352 xprintf(opts, "%d table/stats cleared", nzero); 353 } else 354 warnx("pfctl_table: unknown command '%s'", command); 355 goto _cleanup; 356 357 _error: 358 rv = -1; 359 _cleanup: 360 pfr_buf_clear(&b); 361 pfr_buf_clear(&b2); 362 return (rv); 363 } 364 365 void 366 print_table(struct pfr_table *ta, int verbose, int debug) 367 { 368 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE)) 369 return; 370 if (verbose) { 371 printf("%c%c%c%c%c%c%c\t%s", 372 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-', 373 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-', 374 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-', 375 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-', 376 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-', 377 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-', 378 (ta->pfrt_flags & PFR_TFLAG_COUNTERS) ? 'C' : '-', 379 ta->pfrt_name); 380 if (ta->pfrt_anchor[0]) 381 printf("\t%s", ta->pfrt_anchor); 382 puts(""); 383 } else 384 puts(ta->pfrt_name); 385 } 386 387 void 388 print_tstats(struct pfr_tstats *ts, int debug) 389 { 390 time_t time = ts->pfrts_tzero; 391 int dir, op; 392 393 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE)) 394 return; 395 print_table(&ts->pfrts_t, 1, debug); 396 printf("\tAddresses: %d\n", ts->pfrts_cnt); 397 printf("\tCleared: %s", ctime(&time)); 398 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n", 399 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR], 400 ts->pfrts_refcnt[PFR_REFCNT_RULE]); 401 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n", 402 (unsigned long long)ts->pfrts_nomatch, 403 (unsigned long long)ts->pfrts_match); 404 for (dir = 0; dir < PFR_DIR_MAX; dir++) 405 for (op = 0; op < PFR_OP_TABLE_MAX; op++) 406 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 407 stats_text[dir][op], 408 (unsigned long long)ts->pfrts_packets[dir][op], 409 (unsigned long long)ts->pfrts_bytes[dir][op]); 410 } 411 412 int 413 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file, 414 int nonetwork) 415 { 416 while (argc--) 417 if (append_addr(b, *argv++, nonetwork)) { 418 if (errno) 419 warn("cannot decode %s", argv[-1]); 420 return (-1); 421 } 422 if (pfr_buf_load(b, file, nonetwork, append_addr)) { 423 warn("cannot load %s", file); 424 return (-1); 425 } 426 return (0); 427 } 428 429 void 430 print_addrx(struct pfr_addr *ad, struct pfr_addr *rad, int dns) 431 { 432 char ch, buf[256] = "{error}"; 433 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y', ' ' }; 434 unsigned int fback, hostnet; 435 436 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback; 437 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?'; 438 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32; 439 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf)); 440 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf); 441 if (ad->pfra_net < hostnet) 442 printf("/%d", ad->pfra_net); 443 if (rad != NULL && fback != PFR_FB_NONE) { 444 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf)) 445 errx(1, "print_addrx: strlcpy"); 446 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf)); 447 printf("\t%c%s", (rad->pfra_not?'!':' '), buf); 448 if (rad->pfra_net < hostnet) 449 printf("/%d", rad->pfra_net); 450 } 451 if (rad != NULL && fback == PFR_FB_NONE) 452 printf("\t nomatch"); 453 if (dns && ad->pfra_net == hostnet) { 454 char host[NI_MAXHOST]; 455 union sockaddr_union sa; 456 457 strlcpy(host, "?", sizeof(host)); 458 bzero(&sa, sizeof(sa)); 459 sa.sa.sa_family = ad->pfra_af; 460 if (sa.sa.sa_family == AF_INET) { 461 sa.sa.sa_len = sizeof(sa.sin); 462 sa.sin.sin_addr = ad->pfra_ip4addr; 463 } else { 464 sa.sa.sa_len = sizeof(sa.sin6); 465 sa.sin6.sin6_addr = ad->pfra_ip6addr; 466 } 467 if (getnameinfo(&sa.sa, sa.sa.sa_len, host, sizeof(host), 468 NULL, 0, NI_NAMEREQD) == 0) 469 printf("\t(%s)", host); 470 } 471 printf("\n"); 472 } 473 474 void 475 print_astats(struct pfr_astats *as, int dns) 476 { 477 time_t time = as->pfras_tzero; 478 int dir, op; 479 480 print_addrx(&as->pfras_a, NULL, dns); 481 printf("\tCleared: %s", ctime(&time)); 482 if (as->pfras_a.pfra_fback == PFR_FB_NOCOUNT) 483 return; 484 for (dir = 0; dir < PFR_DIR_MAX; dir++) 485 for (op = 0; op < PFR_OP_ADDR_MAX; op++) 486 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 487 stats_text[dir][op], 488 (unsigned long long)as->pfras_packets[dir][op], 489 (unsigned long long)as->pfras_bytes[dir][op]); 490 } 491 492 void 493 radix_perror(void) 494 { 495 extern char *__progname; 496 fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno)); 497 } 498 499 int 500 pfctl_define_table(char *name, int flags, int addrs, const char *anchor, 501 struct pfr_buffer *ab, u_int32_t ticket) 502 { 503 struct pfr_table tbl; 504 505 bzero(&tbl, sizeof(tbl)); 506 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >= 507 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor, 508 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor)) 509 errx(1, "pfctl_define_table: strlcpy"); 510 tbl.pfrt_flags = flags; 511 512 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL, 513 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0); 514 } 515 516 void 517 warn_namespace_collision(const char *filter) 518 { 519 struct pfr_buffer b; 520 struct pfr_table *t; 521 const char *name = NULL, *lastcoll; 522 int coll = 0; 523 524 bzero(&b, sizeof(b)); 525 b.pfrb_type = PFRB_TABLES; 526 for (;;) { 527 pfr_buf_grow(&b, b.pfrb_size); 528 b.pfrb_size = b.pfrb_msize; 529 if (pfr_get_tables(NULL, b.pfrb_caddr, 530 &b.pfrb_size, PFR_FLAG_ALLRSETS)) 531 err(1, "pfr_get_tables"); 532 if (b.pfrb_size <= b.pfrb_msize) 533 break; 534 } 535 PFRB_FOREACH(t, &b) { 536 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE)) 537 continue; 538 if (filter != NULL && strcmp(filter, t->pfrt_name)) 539 continue; 540 if (!t->pfrt_anchor[0]) 541 name = t->pfrt_name; 542 else if (name != NULL && !strcmp(name, t->pfrt_name)) { 543 coll++; 544 lastcoll = name; 545 name = NULL; 546 } 547 } 548 if (coll == 1) 549 warnx("warning: namespace collision with <%s> global table.", 550 lastcoll); 551 else if (coll > 1) 552 warnx("warning: namespace collisions with %d global tables.", 553 coll); 554 pfr_buf_clear(&b); 555 } 556 557 void 558 xprintf(int opts, const char *fmt, ...) 559 { 560 va_list args; 561 562 if (opts & PF_OPT_QUIET) 563 return; 564 565 va_start(args, fmt); 566 vfprintf(stderr, fmt, args); 567 va_end(args); 568 569 if (opts & PF_OPT_DUMMYACTION) 570 fprintf(stderr, " (dummy).\n"); 571 else if (opts & PF_OPT_NOACTION) 572 fprintf(stderr, " (syntax only).\n"); 573 else 574 fprintf(stderr, ".\n"); 575 } 576 577 578 /* interface stuff */ 579 580 int 581 pfctl_show_ifaces(const char *filter, int opts) 582 { 583 struct pfr_buffer b; 584 struct pfi_kif *p; 585 586 bzero(&b, sizeof(b)); 587 b.pfrb_type = PFRB_IFACES; 588 for (;;) { 589 pfr_buf_grow(&b, b.pfrb_size); 590 b.pfrb_size = b.pfrb_msize; 591 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) { 592 radix_perror(); 593 return (1); 594 } 595 if (b.pfrb_size <= b.pfrb_msize) 596 break; 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(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: %-18d\n", p->pfik_rulerefs); 622 for (i = 0; i < 8; i++) { 623 af = (i>>2) & 1; 624 dir = (i>>1) &1; 625 act = i & 1; 626 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 627 istats_text[af][dir][act], 628 (unsigned long long)p->pfik_packets[af][dir][act], 629 (unsigned long long)p->pfik_bytes[af][dir][act]); 630 } 631 } 632