1 /* $OpenBSD: pfctl_table.c,v 1.79 2019/01/02 23:08:00 kn 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 <netinet/in.h> 38 #include <arpa/inet.h> 39 #include <net/if.h> 40 #include <net/pfvar.h> 41 42 #include <ctype.h> 43 #include <err.h> 44 #include <errno.h> 45 #include <netdb.h> 46 #include <stdarg.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <time.h> 51 #include <limits.h> 52 53 #include "pfctl_parser.h" 54 #include "pfctl.h" 55 56 extern void usage(void); 57 static void print_table(struct pfr_table *, int, int); 58 static void print_tstats(struct pfr_tstats *, int); 59 static int load_addr(struct pfr_buffer *, int, char *[], char *, int, int); 60 static void print_addrx(struct pfr_addr *, struct pfr_addr *, int); 61 static void print_astats(struct pfr_astats *, int); 62 static void radix_perror(void); 63 static void xprintf(int, const char *, ...); 64 static void print_iface(struct pfi_kif *, int); 65 66 static const char *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = { 67 { "In/Block:", "In/Match:", "In/Pass:", "In/XPass:" }, 68 { "Out/Block:", "Out/Match:", "Out/Pass:", "Out/XPass:" } 69 }; 70 71 static const char *istats_text[2][2][2] = { 72 { { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } }, 73 { { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } } 74 }; 75 76 #define RVTEST(fct) do { \ 77 if ((!(opts & PF_OPT_NOACTION) || \ 78 (opts & PF_OPT_DUMMYACTION)) && \ 79 (fct)) { \ 80 radix_perror(); \ 81 goto _error; \ 82 } \ 83 } while (0) 84 85 #define CREATE_TABLE do { \ 86 table.pfrt_flags |= PFR_TFLAG_PERSIST; \ 87 if ((!(opts & PF_OPT_NOACTION) || \ 88 (opts & PF_OPT_DUMMYACTION)) && \ 89 (pfr_add_tables(&table, 1, &nadd, flags)) && \ 90 (errno != EPERM)) { \ 91 radix_perror(); \ 92 goto _error; \ 93 } \ 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 void 104 pfctl_clear_tables(const char *anchor, int opts) 105 { 106 if (pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts) == -1) 107 exit(1); 108 } 109 110 void 111 pfctl_show_tables(const char *anchor, int opts) 112 { 113 if (pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts) == -1) 114 exit(1); 115 } 116 117 int 118 pfctl_table(int argc, char *argv[], char *tname, const char *command, 119 char *file, const char *anchor, int opts) 120 { 121 struct pfr_table table; 122 struct pfr_buffer b, b2; 123 struct pfr_addr *a, *a2; 124 int nadd = 0, ndel = 0, nchange = 0, nzero = 0; 125 int rv = 0, flags = 0, nmatch = 0; 126 void *p; 127 128 if (command == NULL) 129 usage(); 130 if (opts & PF_OPT_NOACTION) 131 flags |= PFR_FLAG_DUMMY; 132 133 bzero(&b, sizeof(b)); 134 bzero(&b2, sizeof(b2)); 135 bzero(&table, sizeof(table)); 136 if (tname != NULL) { 137 if (strlen(tname) >= PF_TABLE_NAME_SIZE) 138 usage(); 139 if (strlcpy(table.pfrt_name, tname, 140 sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name)) 141 errx(1, "pfctl_table: strlcpy"); 142 } 143 if (strlcpy(table.pfrt_anchor, anchor, 144 sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor)) 145 errx(1, "pfctl_table: strlcpy"); 146 147 if (!strcmp(command, "-F")) { 148 if (argc || file != NULL) 149 usage(); 150 RVTEST(pfr_clr_tables(&table, &ndel, flags)); 151 xprintf(opts, "%d tables deleted", ndel); 152 } else if (!strcmp(command, "-s")) { 153 b.pfrb_type = (opts & PF_OPT_VERBOSE2) ? 154 PFRB_TSTATS : PFRB_TABLES; 155 if (argc || file != NULL) 156 usage(); 157 for (;;) { 158 pfr_buf_grow(&b, b.pfrb_size); 159 b.pfrb_size = b.pfrb_msize; 160 if (opts & PF_OPT_VERBOSE2) 161 RVTEST(pfr_get_tstats(&table, 162 b.pfrb_caddr, &b.pfrb_size, flags)); 163 else 164 RVTEST(pfr_get_tables(&table, 165 b.pfrb_caddr, &b.pfrb_size, flags)); 166 if (b.pfrb_size <= b.pfrb_msize) 167 break; 168 } 169 170 if ((opts & PF_OPT_SHOWALL) && b.pfrb_size > 0) 171 pfctl_print_title("TABLES:"); 172 173 PFRB_FOREACH(p, &b) 174 if (opts & PF_OPT_VERBOSE2) 175 print_tstats(p, opts & PF_OPT_DEBUG); 176 else 177 print_table(p, opts & PF_OPT_VERBOSE, 178 opts & PF_OPT_DEBUG); 179 } else if (!strcmp(command, "kill")) { 180 if (argc || file != NULL) 181 usage(); 182 RVTEST(pfr_del_tables(&table, 1, &ndel, flags)); 183 xprintf(opts, "%d table deleted", ndel); 184 } else if (!strcmp(command, "flush")) { 185 if (argc || file != NULL) 186 usage(); 187 RVTEST(pfr_clr_addrs(&table, &ndel, flags)); 188 xprintf(opts, "%d addresses deleted", ndel); 189 } else if (!strcmp(command, "add")) { 190 b.pfrb_type = PFRB_ADDRS; 191 if (load_addr(&b, argc, argv, file, 0, opts)) 192 goto _error; 193 CREATE_TABLE; 194 if (opts & PF_OPT_VERBOSE) 195 flags |= PFR_FLAG_FEEDBACK; 196 RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size, 197 &nadd, flags)); 198 xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size); 199 if (opts & PF_OPT_VERBOSE) 200 PFRB_FOREACH(a, &b) 201 if (opts & PF_OPT_VERBOSE2 || 202 a->pfra_fback != PFR_FB_NONE) 203 print_addrx(a, NULL, 204 opts & PF_OPT_USEDNS); 205 } else if (!strcmp(command, "delete")) { 206 b.pfrb_type = PFRB_ADDRS; 207 if (load_addr(&b, argc, argv, file, 0, opts)) 208 goto _error; 209 if (opts & PF_OPT_VERBOSE) 210 flags |= PFR_FLAG_FEEDBACK; 211 RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size, 212 &ndel, flags)); 213 xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size); 214 if (opts & PF_OPT_VERBOSE) 215 PFRB_FOREACH(a, &b) 216 if (opts & PF_OPT_VERBOSE2 || 217 a->pfra_fback != PFR_FB_NONE) 218 print_addrx(a, NULL, 219 opts & PF_OPT_USEDNS); 220 } else if (!strcmp(command, "replace")) { 221 b.pfrb_type = PFRB_ADDRS; 222 if (load_addr(&b, argc, argv, file, 0, opts)) 223 goto _error; 224 CREATE_TABLE; 225 if (opts & PF_OPT_VERBOSE) 226 flags |= PFR_FLAG_FEEDBACK; 227 for (;;) { 228 int sz2 = b.pfrb_msize; 229 230 RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size, 231 &sz2, &nadd, &ndel, &nchange, flags)); 232 if (sz2 <= b.pfrb_msize) { 233 b.pfrb_size = sz2; 234 break; 235 } else 236 pfr_buf_grow(&b, sz2); 237 } 238 if (nadd) 239 xprintf(opts, "%d addresses added", nadd); 240 if (ndel) 241 xprintf(opts, "%d addresses deleted", ndel); 242 if (nchange) 243 xprintf(opts, "%d addresses changed", nchange); 244 if (!nadd && !ndel && !nchange) 245 xprintf(opts, "no changes"); 246 if (opts & PF_OPT_VERBOSE) 247 PFRB_FOREACH(a, &b) 248 if (opts & PF_OPT_VERBOSE2 || 249 a->pfra_fback != PFR_FB_NONE) 250 print_addrx(a, NULL, 251 opts & PF_OPT_USEDNS); 252 } else if (!strcmp(command, "expire")) { 253 const char *errstr; 254 u_int lifetime; 255 256 b.pfrb_type = PFRB_ASTATS; 257 b2.pfrb_type = PFRB_ADDRS; 258 if (argc != 1 || file != NULL) 259 usage(); 260 lifetime = strtonum(*argv, 0, UINT_MAX, &errstr); 261 if (errstr) 262 errx(1, "expiry time: %s", errstr); 263 for (;;) { 264 pfr_buf_grow(&b, b.pfrb_size); 265 b.pfrb_size = b.pfrb_msize; 266 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 267 &b.pfrb_size, flags)); 268 if (b.pfrb_size <= b.pfrb_msize) 269 break; 270 } 271 PFRB_FOREACH(p, &b) { 272 ((struct pfr_astats *)p)->pfras_a.pfra_fback = PFR_FB_NONE; 273 if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero > 274 lifetime) 275 if (pfr_buf_add(&b2, 276 &((struct pfr_astats *)p)->pfras_a)) 277 err(1, "duplicate buffer"); 278 } 279 280 if (opts & PF_OPT_VERBOSE) 281 flags |= PFR_FLAG_FEEDBACK; 282 RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size, 283 &ndel, flags)); 284 xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size); 285 if (opts & PF_OPT_VERBOSE) 286 PFRB_FOREACH(a, &b2) 287 if (opts & PF_OPT_VERBOSE2 || 288 a->pfra_fback != PFR_FB_NONE) 289 print_addrx(a, NULL, 290 opts & PF_OPT_USEDNS); 291 } else if (!strcmp(command, "show")) { 292 b.pfrb_type = (opts & PF_OPT_VERBOSE) ? 293 PFRB_ASTATS : PFRB_ADDRS; 294 if (argc || file != NULL) 295 usage(); 296 for (;;) { 297 pfr_buf_grow(&b, b.pfrb_size); 298 b.pfrb_size = b.pfrb_msize; 299 if (opts & PF_OPT_VERBOSE) 300 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 301 &b.pfrb_size, flags)); 302 else 303 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr, 304 &b.pfrb_size, flags)); 305 if (b.pfrb_size <= b.pfrb_msize) 306 break; 307 } 308 PFRB_FOREACH(p, &b) 309 if (opts & PF_OPT_VERBOSE) 310 print_astats(p, opts & PF_OPT_USEDNS); 311 else 312 print_addrx(p, NULL, opts & PF_OPT_USEDNS); 313 } else if (!strcmp(command, "test")) { 314 b.pfrb_type = PFRB_ADDRS; 315 b2.pfrb_type = PFRB_ADDRS; 316 317 if (load_addr(&b, argc, argv, file, 1, opts)) 318 goto _error; 319 if (opts & PF_OPT_VERBOSE2) { 320 flags |= PFR_FLAG_REPLACE; 321 PFRB_FOREACH(a, &b) 322 if (pfr_buf_add(&b2, a)) 323 err(1, "duplicate buffer"); 324 } 325 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size, 326 &nmatch, flags)); 327 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size); 328 if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2)) 329 PFRB_FOREACH(a, &b) 330 if (a->pfra_fback == PFR_FB_MATCH) 331 print_addrx(a, NULL, 332 opts & PF_OPT_USEDNS); 333 if (opts & PF_OPT_VERBOSE2) { 334 a2 = NULL; 335 PFRB_FOREACH(a, &b) { 336 a2 = pfr_buf_next(&b2, a2); 337 print_addrx(a2, a, opts & PF_OPT_USEDNS); 338 } 339 } 340 if (nmatch < b.pfrb_size) 341 rv = 2; 342 } else if (!strcmp(command, "zero")) { 343 if (argc || file != NULL) 344 usage(); 345 flags |= PFR_FLAG_ADDRSTOO; 346 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags)); 347 xprintf(opts, "%d table/stats cleared", nzero); 348 } else 349 warnx("pfctl_table: unknown command '%s'", command); 350 goto _cleanup; 351 352 _error: 353 rv = -1; 354 _cleanup: 355 pfr_buf_clear(&b); 356 pfr_buf_clear(&b2); 357 return (rv); 358 } 359 360 void 361 print_table(struct pfr_table *ta, int verbose, int debug) 362 { 363 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE)) 364 return; 365 if (verbose) { 366 printf("%c%c%c%c%c%c%c\t%s", 367 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-', 368 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-', 369 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-', 370 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-', 371 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-', 372 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-', 373 (ta->pfrt_flags & PFR_TFLAG_COUNTERS) ? 'C' : '-', 374 ta->pfrt_name); 375 if (ta->pfrt_anchor[0]) 376 printf("\t%s", ta->pfrt_anchor); 377 puts(""); 378 } else 379 puts(ta->pfrt_name); 380 } 381 382 void 383 print_tstats(struct pfr_tstats *ts, int debug) 384 { 385 time_t time = ts->pfrts_tzero; 386 int dir, op; 387 388 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE)) 389 return; 390 print_table(&ts->pfrts_t, 1, debug); 391 printf("\tAddresses: %d\n", ts->pfrts_cnt); 392 printf("\tCleared: %s", ctime(&time)); 393 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n", 394 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR], 395 ts->pfrts_refcnt[PFR_REFCNT_RULE]); 396 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n", 397 (unsigned long long)ts->pfrts_nomatch, 398 (unsigned long long)ts->pfrts_match); 399 for (dir = 0; dir < PFR_DIR_MAX; dir++) 400 for (op = 0; op < PFR_OP_TABLE_MAX; op++) 401 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 402 stats_text[dir][op], 403 (unsigned long long)ts->pfrts_packets[dir][op], 404 (unsigned long long)ts->pfrts_bytes[dir][op]); 405 } 406 407 int 408 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file, 409 int nonetwork, int opts) 410 { 411 int ev = 0; 412 while (argc--) 413 if ((ev = append_addr(b, *argv++, nonetwork, opts)) == -1) { 414 if (errno) 415 warn("cannot decode %s", argv[-1]); 416 return (-1); 417 } 418 if (ev == 1) { /* expected further append_addr call */ 419 warnx("failed to decode %s", argv[-1]); 420 return (-1); 421 } 422 if (pfr_buf_load(b, file, nonetwork, opts)) { 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 struct sockaddr_storage ss; 456 457 strlcpy(host, "?", sizeof(host)); 458 bzero(&ss, sizeof(ss)); 459 ss.ss_family = ad->pfra_af; 460 if (ss.ss_family == AF_INET) { 461 struct sockaddr_in *sin = (struct sockaddr_in *)&ss; 462 463 sin->sin_len = sizeof(*sin); 464 sin->sin_addr = ad->pfra_ip4addr; 465 } else { 466 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&ss; 467 468 sin6->sin6_len = sizeof(*sin6); 469 sin6->sin6_addr = ad->pfra_ip6addr; 470 } 471 if (getnameinfo((struct sockaddr *)&ss, ss.ss_len, host, 472 sizeof(host), NULL, 0, NI_NAMEREQD) == 0) 473 printf("\t(%s)", host); 474 } 475 if (ad->pfra_ifname[0] != '\0') 476 printf("@%s", ad->pfra_ifname); 477 printf("\n"); 478 } 479 480 void 481 print_astats(struct pfr_astats *as, int dns) 482 { 483 time_t time = as->pfras_tzero; 484 int dir, op; 485 486 print_addrx(&as->pfras_a, NULL, dns); 487 printf("\tCleared: %s", ctime(&time)); 488 if (as->pfras_a.pfra_states) 489 printf("\tActive States: %d\n", as->pfras_a.pfra_states); 490 if (as->pfras_a.pfra_type == PFRKE_COST) 491 printf("\tWeight: %d\n", as->pfras_a.pfra_weight); 492 if (as->pfras_a.pfra_ifname[0]) 493 printf("\tInterface: %s\n", as->pfras_a.pfra_ifname); 494 if (as->pfras_a.pfra_fback == PFR_FB_NOCOUNT) 495 return; 496 for (dir = 0; dir < PFR_DIR_MAX; dir++) 497 for (op = 0; op < PFR_OP_ADDR_MAX; op++) 498 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 499 stats_text[dir][op], 500 (unsigned long long)as->pfras_packets[dir][op], 501 (unsigned long long)as->pfras_bytes[dir][op]); 502 } 503 504 void 505 radix_perror(void) 506 { 507 extern char *__progname; 508 fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno)); 509 } 510 511 int 512 pfctl_define_table(char *name, int flags, int addrs, const char *anchor, 513 struct pfr_buffer *ab, u_int32_t ticket) 514 { 515 struct pfr_table tbl; 516 517 bzero(&tbl, sizeof(tbl)); 518 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >= 519 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor, 520 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor)) 521 errx(1, "pfctl_define_table: strlcpy"); 522 tbl.pfrt_flags = flags; 523 524 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL, 525 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0); 526 } 527 528 void 529 warn_namespace_collision(const char *filter) 530 { 531 struct pfr_buffer b; 532 struct pfr_table *t; 533 const char *name = NULL, *lastcoll; 534 int coll = 0; 535 536 bzero(&b, sizeof(b)); 537 b.pfrb_type = PFRB_TABLES; 538 for (;;) { 539 pfr_buf_grow(&b, b.pfrb_size); 540 b.pfrb_size = b.pfrb_msize; 541 if (pfr_get_tables(NULL, b.pfrb_caddr, 542 &b.pfrb_size, PFR_FLAG_ALLRSETS)) 543 err(1, "pfr_get_tables"); 544 if (b.pfrb_size <= b.pfrb_msize) 545 break; 546 } 547 PFRB_FOREACH(t, &b) { 548 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE)) 549 continue; 550 if (filter != NULL && strcmp(filter, t->pfrt_name)) 551 continue; 552 if (!t->pfrt_anchor[0]) 553 name = t->pfrt_name; 554 else if (name != NULL && !strcmp(name, t->pfrt_name)) { 555 coll++; 556 lastcoll = name; 557 name = NULL; 558 } 559 } 560 if (coll == 1) 561 warnx("warning: namespace collision with <%s> global table.", 562 lastcoll); 563 else if (coll > 1) 564 warnx("warning: namespace collisions with %d global tables.", 565 coll); 566 pfr_buf_clear(&b); 567 } 568 569 void 570 xprintf(int opts, const char *fmt, ...) 571 { 572 va_list args; 573 574 if (opts & PF_OPT_QUIET) 575 return; 576 577 va_start(args, fmt); 578 vfprintf(stderr, fmt, args); 579 va_end(args); 580 581 if (opts & PF_OPT_DUMMYACTION) 582 fprintf(stderr, " (dummy).\n"); 583 else if (opts & PF_OPT_NOACTION) 584 fprintf(stderr, " (syntax only).\n"); 585 else 586 fprintf(stderr, ".\n"); 587 } 588 589 590 /* interface stuff */ 591 592 void 593 pfctl_show_ifaces(const char *filter, int opts) 594 { 595 struct pfr_buffer b; 596 struct pfi_kif *p; 597 int i = 0; 598 599 bzero(&b, sizeof(b)); 600 b.pfrb_type = PFRB_IFACES; 601 for (;;) { 602 pfr_buf_grow(&b, b.pfrb_size); 603 b.pfrb_size = b.pfrb_msize; 604 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) { 605 radix_perror(); 606 exit(1); 607 } 608 if (b.pfrb_size <= b.pfrb_msize) 609 break; 610 i++; 611 } 612 if (opts & PF_OPT_SHOWALL) 613 pfctl_print_title("INTERFACES:"); 614 PFRB_FOREACH(p, &b) 615 print_iface(p, opts); 616 } 617 618 void 619 print_iface(struct pfi_kif *p, int opts) 620 { 621 time_t tzero = p->pfik_tzero; 622 int i, af, dir, act; 623 624 printf("%s", p->pfik_name); 625 if (opts & PF_OPT_VERBOSE) { 626 if (p->pfik_flags & PFI_IFLAG_SKIP) 627 printf(" (skip)"); 628 } 629 printf("\n"); 630 631 if (!(opts & PF_OPT_VERBOSE2)) 632 return; 633 printf("\tCleared: %s", ctime(&tzero)); 634 printf("\tReferences: [ States: %-18d Rules: %-18d ]\n", 635 p->pfik_states, p->pfik_rules); 636 for (i = 0; i < 8; i++) { 637 af = (i>>2) & 1; 638 dir = (i>>1) &1; 639 act = i & 1; 640 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 641 istats_text[af][dir][act], 642 (unsigned long long)p->pfik_packets[af][dir][act], 643 (unsigned long long)p->pfik_bytes[af][dir][act]); 644 } 645 } 646