1 /* $NetBSD: pfctl_table.c,v 1.6 2005/07/01 12:43:50 peter Exp $ */ 2 /* $OpenBSD: pfctl_table.c,v 1.62 2004/12/22 17:17:55 dhartmei Exp $ */ 3 4 /* 5 * Copyright (c) 2002 Cedric Berger 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * - Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * - Redistributions in binary form must reproduce the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer in the documentation and/or other materials provided 17 * with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 23 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 27 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 * 32 */ 33 34 #include <sys/types.h> 35 #include <sys/ioctl.h> 36 #include <sys/socket.h> 37 38 #ifdef __NetBSD__ 39 #include <netinet/in.h> 40 #endif 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_if *, int); 70 static void oprintf(int, int, const char *, int *, int); 71 72 static const char *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = { 73 { "In/Block:", "In/Pass:", "In/XPass:" }, 74 { "Out/Block:", "Out/Pass:", "Out/XPass:" } 75 }; 76 77 static const char *istats_text[2][2][2] = { 78 { { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } }, 79 { { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } } 80 }; 81 82 #define RVTEST(fct) do { \ 83 if ((!(opts & PF_OPT_NOACTION) || \ 84 (opts & PF_OPT_DUMMYACTION)) && \ 85 (fct)) { \ 86 radix_perror(); \ 87 goto _error; \ 88 } \ 89 } while (0) 90 91 #define CREATE_TABLE do { \ 92 table.pfrt_flags |= PFR_TFLAG_PERSIST; \ 93 if ((!(opts & PF_OPT_NOACTION) || \ 94 (opts & PF_OPT_DUMMYACTION)) && \ 95 (pfr_add_tables(&table, 1, &nadd, flags)) && \ 96 (errno != EPERM)) { \ 97 radix_perror(); \ 98 goto _error; \ 99 } \ 100 if (nadd) { \ 101 warn_namespace_collision(table.pfrt_name); \ 102 xprintf(opts, "%d table created", nadd); \ 103 if (opts & PF_OPT_NOACTION) \ 104 return (0); \ 105 } \ 106 table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \ 107 } while(0) 108 109 int 110 pfctl_clear_tables(const char *anchor, int opts) 111 { 112 return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts); 113 } 114 115 int 116 pfctl_show_tables(const char *anchor, int opts) 117 { 118 return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts); 119 } 120 121 int 122 pfctl_command_tables(int argc, char *argv[], char *tname, 123 const char *command, char *file, const char *anchor, int opts) 124 { 125 if (tname == NULL || command == NULL) 126 usage(); 127 return pfctl_table(argc, argv, tname, command, file, anchor, opts); 128 } 129 130 int 131 pfctl_table(int argc, char *argv[], char *tname, const char *command, 132 char *file, const char *anchor, int opts) 133 { 134 struct pfr_table table; 135 struct pfr_buffer b, b2; 136 struct pfr_addr *a, *a2; 137 int nadd = 0, ndel = 0, nchange = 0, nzero = 0; 138 int rv = 0, flags = 0, nmatch = 0; 139 void *p; 140 141 if (command == NULL) 142 usage(); 143 if (opts & PF_OPT_NOACTION) 144 flags |= PFR_FLAG_DUMMY; 145 146 bzero(&b, sizeof(b)); 147 bzero(&b2, sizeof(b2)); 148 bzero(&table, sizeof(table)); 149 if (tname != NULL) { 150 if (strlen(tname) >= PF_TABLE_NAME_SIZE) 151 usage(); 152 if (strlcpy(table.pfrt_name, tname, 153 sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name)) 154 errx(1, "pfctl_table: strlcpy"); 155 } 156 if (strlcpy(table.pfrt_anchor, anchor, 157 sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor)) 158 errx(1, "pfctl_table: strlcpy"); 159 160 if (!strcmp(command, "-F")) { 161 if (argc || file != NULL) 162 usage(); 163 RVTEST(pfr_clr_tables(&table, &ndel, flags)); 164 xprintf(opts, "%d tables deleted", ndel); 165 } else if (!strcmp(command, "-s")) { 166 b.pfrb_type = (opts & PF_OPT_VERBOSE2) ? 167 PFRB_TSTATS : PFRB_TABLES; 168 if (argc || file != NULL) 169 usage(); 170 for (;;) { 171 pfr_buf_grow(&b, b.pfrb_size); 172 b.pfrb_size = b.pfrb_msize; 173 if (opts & PF_OPT_VERBOSE2) 174 RVTEST(pfr_get_tstats(&table, 175 b.pfrb_caddr, &b.pfrb_size, flags)); 176 else 177 RVTEST(pfr_get_tables(&table, 178 b.pfrb_caddr, &b.pfrb_size, flags)); 179 if (b.pfrb_size <= b.pfrb_msize) 180 break; 181 } 182 183 if (opts & PF_OPT_SHOWALL && b.pfrb_size > 0) 184 pfctl_print_title("TABLES:"); 185 186 PFRB_FOREACH(p, &b) 187 if (opts & PF_OPT_VERBOSE2) 188 print_tstats(p, opts & PF_OPT_DEBUG); 189 else 190 print_table(p, opts & PF_OPT_VERBOSE, 191 opts & PF_OPT_DEBUG); 192 } else if (!strcmp(command, "kill")) { 193 if (argc || file != NULL) 194 usage(); 195 RVTEST(pfr_del_tables(&table, 1, &ndel, flags)); 196 xprintf(opts, "%d table deleted", ndel); 197 } else if (!strcmp(command, "flush")) { 198 if (argc || file != NULL) 199 usage(); 200 RVTEST(pfr_clr_addrs(&table, &ndel, flags)); 201 xprintf(opts, "%d addresses deleted", ndel); 202 } else if (!strcmp(command, "add")) { 203 b.pfrb_type = PFRB_ADDRS; 204 if (load_addr(&b, argc, argv, file, 0)) 205 goto _error; 206 CREATE_TABLE; 207 if (opts & PF_OPT_VERBOSE) 208 flags |= PFR_FLAG_FEEDBACK; 209 RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size, 210 &nadd, flags)); 211 xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size); 212 if (opts & PF_OPT_VERBOSE) 213 PFRB_FOREACH(a, &b) 214 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 215 print_addrx(a, NULL, 216 opts & PF_OPT_USEDNS); 217 } else if (!strcmp(command, "delete")) { 218 b.pfrb_type = PFRB_ADDRS; 219 if (load_addr(&b, argc, argv, file, 0)) 220 goto _error; 221 if (opts & PF_OPT_VERBOSE) 222 flags |= PFR_FLAG_FEEDBACK; 223 RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size, 224 &ndel, flags)); 225 xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size); 226 if (opts & PF_OPT_VERBOSE) 227 PFRB_FOREACH(a, &b) 228 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 229 print_addrx(a, NULL, 230 opts & PF_OPT_USEDNS); 231 } else if (!strcmp(command, "replace")) { 232 b.pfrb_type = PFRB_ADDRS; 233 if (load_addr(&b, argc, argv, file, 0)) 234 goto _error; 235 CREATE_TABLE; 236 if (opts & PF_OPT_VERBOSE) 237 flags |= PFR_FLAG_FEEDBACK; 238 for (;;) { 239 int sz2 = b.pfrb_msize; 240 241 RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size, 242 &sz2, &nadd, &ndel, &nchange, flags)); 243 if (sz2 <= b.pfrb_msize) { 244 b.pfrb_size = sz2; 245 break; 246 } else 247 pfr_buf_grow(&b, sz2); 248 } 249 if (nadd) 250 xprintf(opts, "%d addresses added", nadd); 251 if (ndel) 252 xprintf(opts, "%d addresses deleted", ndel); 253 if (nchange) 254 xprintf(opts, "%d addresses changed", nchange); 255 if (!nadd && !ndel && !nchange) 256 xprintf(opts, "no changes"); 257 if (opts & PF_OPT_VERBOSE) 258 PFRB_FOREACH(a, &b) 259 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback) 260 print_addrx(a, NULL, 261 opts & PF_OPT_USEDNS); 262 } else if (!strcmp(command, "show")) { 263 b.pfrb_type = (opts & PF_OPT_VERBOSE) ? 264 PFRB_ASTATS : PFRB_ADDRS; 265 if (argc || file != NULL) 266 usage(); 267 for (;;) { 268 pfr_buf_grow(&b, b.pfrb_size); 269 b.pfrb_size = b.pfrb_msize; 270 if (opts & PF_OPT_VERBOSE) 271 RVTEST(pfr_get_astats(&table, b.pfrb_caddr, 272 &b.pfrb_size, flags)); 273 else 274 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr, 275 &b.pfrb_size, flags)); 276 if (b.pfrb_size <= b.pfrb_msize) 277 break; 278 } 279 PFRB_FOREACH(p, &b) 280 if (opts & PF_OPT_VERBOSE) 281 print_astats(p, opts & PF_OPT_USEDNS); 282 else 283 print_addrx(p, NULL, opts & PF_OPT_USEDNS); 284 } else if (!strcmp(command, "test")) { 285 b.pfrb_type = PFRB_ADDRS; 286 b2.pfrb_type = PFRB_ADDRS; 287 288 if (load_addr(&b, argc, argv, file, 1)) 289 goto _error; 290 if (opts & PF_OPT_VERBOSE2) { 291 flags |= PFR_FLAG_REPLACE; 292 PFRB_FOREACH(a, &b) 293 if (pfr_buf_add(&b2, a)) 294 err(1, "duplicate buffer"); 295 } 296 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size, 297 &nmatch, flags)); 298 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size); 299 if (opts & PF_OPT_VERBOSE && !(opts & PF_OPT_VERBOSE2)) 300 PFRB_FOREACH(a, &b) 301 if (a->pfra_fback == PFR_FB_MATCH) 302 print_addrx(a, NULL, 303 opts & PF_OPT_USEDNS); 304 if (opts & PF_OPT_VERBOSE2) { 305 a2 = NULL; 306 PFRB_FOREACH(a, &b) { 307 a2 = pfr_buf_next(&b2, a2); 308 print_addrx(a2, a, opts & PF_OPT_USEDNS); 309 } 310 } 311 if (nmatch < b.pfrb_size) 312 rv = 2; 313 } else if (!strcmp(command, "zero")) { 314 if (argc || file != NULL) 315 usage(); 316 flags |= PFR_FLAG_ADDRSTOO; 317 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags)); 318 xprintf(opts, "%d table/stats cleared", nzero); 319 } else 320 warnx("pfctl_table: unknown command '%s'", command); 321 goto _cleanup; 322 323 _error: 324 rv = -1; 325 _cleanup: 326 pfr_buf_clear(&b); 327 pfr_buf_clear(&b2); 328 return (rv); 329 } 330 331 void 332 print_table(struct pfr_table *ta, int verbose, int debug) 333 { 334 if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE)) 335 return; 336 if (verbose) { 337 printf("%c%c%c%c%c%c\t%s", 338 (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-', 339 (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-', 340 (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-', 341 (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-', 342 (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-', 343 (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-', 344 ta->pfrt_name); 345 if (ta->pfrt_anchor[0]) 346 printf("\t%s", ta->pfrt_anchor); 347 puts(""); 348 } else 349 puts(ta->pfrt_name); 350 } 351 352 void 353 print_tstats(struct pfr_tstats *ts, int debug) 354 { 355 time_t time = ts->pfrts_tzero; 356 int dir, op; 357 358 if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE)) 359 return; 360 print_table(&ts->pfrts_t, 1, debug); 361 printf("\tAddresses: %d\n", ts->pfrts_cnt); 362 printf("\tCleared: %s", ctime(&time)); 363 printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n", 364 ts->pfrts_refcnt[PFR_REFCNT_ANCHOR], 365 ts->pfrts_refcnt[PFR_REFCNT_RULE]); 366 printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n", 367 (unsigned long long)ts->pfrts_nomatch, 368 (unsigned long long)ts->pfrts_match); 369 for (dir = 0; dir < PFR_DIR_MAX; dir++) 370 for (op = 0; op < PFR_OP_TABLE_MAX; op++) 371 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 372 stats_text[dir][op], 373 (unsigned long long)ts->pfrts_packets[dir][op], 374 (unsigned long long)ts->pfrts_bytes[dir][op]); 375 } 376 377 int 378 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file, 379 int nonetwork) 380 { 381 while (argc--) 382 if (append_addr(b, *argv++, nonetwork)) { 383 if (errno) 384 warn("cannot decode %s", argv[-1]); 385 return (-1); 386 } 387 if (pfr_buf_load(b, file, nonetwork, append_addr)) { 388 warn("cannot load %s", file); 389 return (-1); 390 } 391 return (0); 392 } 393 394 void 395 print_addrx(struct pfr_addr *ad, struct pfr_addr *rad, int dns) 396 { 397 char ch, buf[256] = "{error}"; 398 char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y' }; 399 unsigned int fback, hostnet; 400 401 fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback; 402 ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?'; 403 hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32; 404 inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf)); 405 printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf); 406 if (ad->pfra_net < hostnet) 407 printf("/%d", ad->pfra_net); 408 if (rad != NULL && fback != PFR_FB_NONE) { 409 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf)) 410 errx(1, "print_addrx: strlcpy"); 411 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf)); 412 printf("\t%c%s", (rad->pfra_not?'!':' '), buf); 413 if (rad->pfra_net < hostnet) 414 printf("/%d", rad->pfra_net); 415 } 416 if (rad != NULL && fback == PFR_FB_NONE) 417 printf("\t nomatch"); 418 if (dns && ad->pfra_net == hostnet) { 419 char host[NI_MAXHOST]; 420 union sockaddr_union sa; 421 422 strlcpy(host, "?", sizeof(host)); 423 bzero(&sa, sizeof(sa)); 424 sa.sa.sa_family = ad->pfra_af; 425 if (sa.sa.sa_family == AF_INET) { 426 sa.sa.sa_len = sizeof(sa.sin); 427 sa.sin.sin_addr = ad->pfra_ip4addr; 428 } else { 429 sa.sa.sa_len = sizeof(sa.sin6); 430 sa.sin6.sin6_addr = ad->pfra_ip6addr; 431 } 432 if (getnameinfo(&sa.sa, sa.sa.sa_len, host, sizeof(host), 433 NULL, 0, NI_NAMEREQD) == 0) 434 printf("\t(%s)", host); 435 } 436 printf("\n"); 437 } 438 439 void 440 print_astats(struct pfr_astats *as, int dns) 441 { 442 time_t time = as->pfras_tzero; 443 int dir, op; 444 445 print_addrx(&as->pfras_a, NULL, dns); 446 printf("\tCleared: %s", ctime(&time)); 447 for (dir = 0; dir < PFR_DIR_MAX; dir++) 448 for (op = 0; op < PFR_OP_ADDR_MAX; op++) 449 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 450 stats_text[dir][op], 451 (unsigned long long)as->pfras_packets[dir][op], 452 (unsigned long long)as->pfras_bytes[dir][op]); 453 } 454 455 void 456 radix_perror(void) 457 { 458 extern char *__progname; 459 fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno)); 460 } 461 462 int 463 pfctl_define_table(char *name, int flags, int addrs, const char *anchor, 464 struct pfr_buffer *ab, u_int32_t ticket) 465 { 466 struct pfr_table tbl; 467 468 bzero(&tbl, sizeof(tbl)); 469 if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >= 470 sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor, 471 sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor)) 472 errx(1, "pfctl_define_table: strlcpy"); 473 tbl.pfrt_flags = flags; 474 475 return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL, 476 NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0); 477 } 478 479 void 480 warn_namespace_collision(const char *filter) 481 { 482 struct pfr_buffer b; 483 struct pfr_table *t; 484 const char *name = NULL, *lastcoll = NULL; 485 int coll = 0; 486 487 bzero(&b, sizeof(b)); 488 b.pfrb_type = PFRB_TABLES; 489 for (;;) { 490 pfr_buf_grow(&b, b.pfrb_size); 491 b.pfrb_size = b.pfrb_msize; 492 if (pfr_get_tables(NULL, b.pfrb_caddr, 493 &b.pfrb_size, PFR_FLAG_ALLRSETS)) 494 err(1, "pfr_get_tables"); 495 if (b.pfrb_size <= b.pfrb_msize) 496 break; 497 } 498 PFRB_FOREACH(t, &b) { 499 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE)) 500 continue; 501 if (filter != NULL && strcmp(filter, t->pfrt_name)) 502 continue; 503 if (!t->pfrt_anchor[0]) 504 name = t->pfrt_name; 505 else if (name != NULL && !strcmp(name, t->pfrt_name)) { 506 coll++; 507 lastcoll = name; 508 name = NULL; 509 } 510 } 511 if (coll == 1) 512 warnx("warning: namespace collision with <%s> global table.", 513 lastcoll); 514 else if (coll > 1) 515 warnx("warning: namespace collisions with %d global tables.", 516 coll); 517 pfr_buf_clear(&b); 518 } 519 520 void 521 xprintf(int opts, const char *fmt, ...) 522 { 523 va_list args; 524 525 if (opts & PF_OPT_QUIET) 526 return; 527 528 va_start(args, fmt); 529 vfprintf(stderr, fmt, args); 530 va_end(args); 531 532 if (opts & PF_OPT_DUMMYACTION) 533 fprintf(stderr, " (dummy).\n"); 534 else if (opts & PF_OPT_NOACTION) 535 fprintf(stderr, " (syntax only).\n"); 536 else 537 fprintf(stderr, ".\n"); 538 } 539 540 541 /* interface stuff */ 542 543 int 544 pfctl_show_ifaces(const char *filter, int opts) 545 { 546 struct pfr_buffer b; 547 struct pfi_if *p; 548 int i = 0, f = PFI_FLAG_GROUP|PFI_FLAG_INSTANCE; 549 550 if (filter != NULL && *filter && !isdigit((unsigned char)filter[strlen(filter)-1])) 551 f &= ~PFI_FLAG_INSTANCE; 552 bzero(&b, sizeof(b)); 553 b.pfrb_type = PFRB_IFACES; 554 for (;;) { 555 pfr_buf_grow(&b, b.pfrb_size); 556 b.pfrb_size = b.pfrb_msize; 557 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size, f)) { 558 radix_perror(); 559 return (1); 560 } 561 if (b.pfrb_size <= b.pfrb_msize) 562 break; 563 i++; 564 } 565 if (opts & PF_OPT_SHOWALL) 566 pfctl_print_title("INTERFACES:"); 567 PFRB_FOREACH(p, &b) 568 print_iface(p, opts); 569 return (0); 570 } 571 572 void 573 print_iface(struct pfi_if *p, int opts) 574 { 575 time_t tzero = p->pfif_tzero; 576 int flags = (opts & PF_OPT_VERBOSE) ? p->pfif_flags : 0; 577 int first = 1; 578 int i, af, dir, act; 579 580 printf("%s", p->pfif_name); 581 oprintf(flags, PFI_IFLAG_INSTANCE, "instance", &first, 0); 582 oprintf(flags, PFI_IFLAG_GROUP, "group", &first, 0); 583 oprintf(flags, PFI_IFLAG_CLONABLE, "clonable", &first, 0); 584 oprintf(flags, PFI_IFLAG_DYNAMIC, "dynamic", &first, 0); 585 oprintf(flags, PFI_IFLAG_ATTACHED, "attached", &first, 0); 586 oprintf(flags, PFI_IFLAG_SKIP, "skipped", &first, 1); 587 printf("\n"); 588 589 if (!(opts & PF_OPT_VERBOSE2)) 590 return; 591 printf("\tCleared: %s", ctime(&tzero)); 592 printf("\tReferences: [ States: %-18d Rules: %-18d ]\n", 593 p->pfif_states, p->pfif_rules); 594 for (i = 0; i < 8; i++) { 595 af = (i>>2) & 1; 596 dir = (i>>1) &1; 597 act = i & 1; 598 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n", 599 istats_text[af][dir][act], 600 (unsigned long long)p->pfif_packets[af][dir][act], 601 (unsigned long long)p->pfif_bytes[af][dir][act]); 602 } 603 } 604 605 void 606 oprintf(int flags, int flag, const char *s, int *first, int last) 607 { 608 if (flags & flag) { 609 printf(*first ? "\t(%s" : ", %s", s); 610 *first = 0; 611 } 612 if (last && !*first) 613 printf(")"); 614 } 615 616