1 /* $OpenBSD: pfctl.c,v 1.278 2008/08/31 20:18:17 jmc Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2001 Daniel Hartmeier 7 * Copyright (c) 2002,2003 Henning Brauer 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * - Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * - Redistributions in binary form must reproduce the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer in the documentation and/or other materials provided 19 * with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 36 #include <sys/cdefs.h> 37 #define PFIOC_USE_LATEST 38 39 #include <sys/types.h> 40 #include <sys/ioctl.h> 41 #include <sys/socket.h> 42 #include <sys/stat.h> 43 #include <sys/endian.h> 44 45 #include <net/if.h> 46 #include <netinet/in.h> 47 #include <net/pfvar.h> 48 #include <arpa/inet.h> 49 #include <net/altq/altq.h> 50 51 #include <err.h> 52 #include <errno.h> 53 #include <fcntl.h> 54 #include <libpfctl.h> 55 #include <limits.h> 56 #include <netdb.h> 57 #include <stdint.h> 58 #include <stdio.h> 59 #include <stdlib.h> 60 #include <string.h> 61 #include <unistd.h> 62 63 #include "pfctl_parser.h" 64 #include "pfctl.h" 65 66 void usage(void); 67 int pfctl_enable(int, int); 68 int pfctl_disable(int, int); 69 int pfctl_clear_stats(struct pfctl_handle *, int); 70 int pfctl_get_skip_ifaces(void); 71 int pfctl_check_skip_ifaces(char *); 72 int pfctl_adjust_skip_ifaces(struct pfctl *); 73 int pfctl_clear_interface_flags(int, int); 74 int pfctl_flush_eth_rules(int, int, char *); 75 int pfctl_flush_rules(int, int, char *); 76 int pfctl_flush_nat(int, int, char *); 77 int pfctl_clear_altq(int, int); 78 int pfctl_clear_src_nodes(int, int); 79 int pfctl_clear_iface_states(int, const char *, int); 80 void pfctl_addrprefix(char *, struct pf_addr *); 81 int pfctl_kill_src_nodes(int, const char *, int); 82 int pfctl_net_kill_states(int, const char *, int); 83 int pfctl_gateway_kill_states(int, const char *, int); 84 int pfctl_label_kill_states(int, const char *, int); 85 int pfctl_id_kill_states(int, const char *, int); 86 void pfctl_init_options(struct pfctl *); 87 int pfctl_load_options(struct pfctl *); 88 int pfctl_load_limit(struct pfctl *, unsigned int, unsigned int); 89 int pfctl_load_timeout(struct pfctl *, unsigned int, unsigned int); 90 int pfctl_load_debug(struct pfctl *, unsigned int); 91 int pfctl_load_logif(struct pfctl *, char *); 92 int pfctl_load_hostid(struct pfctl *, u_int32_t); 93 int pfctl_load_reassembly(struct pfctl *, u_int32_t); 94 int pfctl_load_syncookies(struct pfctl *, u_int8_t); 95 int pfctl_get_pool(int, struct pfctl_pool *, u_int32_t, u_int32_t, int, 96 char *); 97 void pfctl_print_eth_rule_counters(struct pfctl_eth_rule *, int); 98 void pfctl_print_rule_counters(struct pfctl_rule *, int); 99 int pfctl_show_eth_rules(int, char *, int, enum pfctl_show, char *, int, int); 100 int pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int, int); 101 int pfctl_show_nat(int, char *, int, char *, int, int); 102 int pfctl_show_src_nodes(int, int); 103 int pfctl_show_states(int, const char *, int); 104 int pfctl_show_status(int, int); 105 int pfctl_show_running(int); 106 int pfctl_show_timeouts(int, int); 107 int pfctl_show_limits(int, int); 108 void pfctl_debug(int, u_int32_t, int); 109 int pfctl_test_altqsupport(int, int); 110 int pfctl_show_anchors(int, int, char *); 111 int pfctl_show_eth_anchors(int, int, char *); 112 int pfctl_ruleset_trans(struct pfctl *, char *, struct pfctl_anchor *, bool); 113 int pfctl_eth_ruleset_trans(struct pfctl *, char *, 114 struct pfctl_eth_anchor *); 115 int pfctl_load_eth_ruleset(struct pfctl *, char *, 116 struct pfctl_eth_ruleset *, int); 117 int pfctl_load_eth_rule(struct pfctl *, char *, struct pfctl_eth_rule *, 118 int); 119 int pfctl_load_ruleset(struct pfctl *, char *, 120 struct pfctl_ruleset *, int, int); 121 int pfctl_load_rule(struct pfctl *, char *, struct pfctl_rule *, int); 122 const char *pfctl_lookup_option(char *, const char * const *); 123 124 static struct pfctl_anchor_global pf_anchors; 125 struct pfctl_anchor pf_main_anchor; 126 struct pfctl_eth_anchor pf_eth_main_anchor; 127 static struct pfr_buffer skip_b; 128 129 static const char *clearopt; 130 static char *rulesopt; 131 static const char *showopt; 132 static const char *debugopt; 133 static char *anchoropt; 134 static const char *optiopt = NULL; 135 static const char *pf_device = PF_DEVICE; 136 static char *ifaceopt; 137 static char *tableopt; 138 static const char *tblcmdopt; 139 static int src_node_killers; 140 static char *src_node_kill[2]; 141 static int state_killers; 142 static char *state_kill[2]; 143 int loadopt; 144 int altqsupport; 145 146 int dev = -1; 147 struct pfctl_handle *pfh = NULL; 148 static int first_title = 1; 149 static int labels = 0; 150 151 #define INDENT(d, o) do { \ 152 if (o) { \ 153 int i; \ 154 for (i=0; i < d; i++) \ 155 printf(" "); \ 156 } \ 157 } while (0); \ 158 159 160 static const struct { 161 const char *name; 162 int index; 163 } pf_limits[] = { 164 { "states", PF_LIMIT_STATES }, 165 { "src-nodes", PF_LIMIT_SRC_NODES }, 166 { "frags", PF_LIMIT_FRAGS }, 167 { "table-entries", PF_LIMIT_TABLE_ENTRIES }, 168 { NULL, 0 } 169 }; 170 171 struct pf_hint { 172 const char *name; 173 int timeout; 174 }; 175 static const struct pf_hint pf_hint_normal[] = { 176 { "tcp.first", 2 * 60 }, 177 { "tcp.opening", 30 }, 178 { "tcp.established", 24 * 60 * 60 }, 179 { "tcp.closing", 15 * 60 }, 180 { "tcp.finwait", 45 }, 181 { "tcp.closed", 90 }, 182 { "tcp.tsdiff", 30 }, 183 { NULL, 0 } 184 }; 185 static const struct pf_hint pf_hint_satellite[] = { 186 { "tcp.first", 3 * 60 }, 187 { "tcp.opening", 30 + 5 }, 188 { "tcp.established", 24 * 60 * 60 }, 189 { "tcp.closing", 15 * 60 + 5 }, 190 { "tcp.finwait", 45 + 5 }, 191 { "tcp.closed", 90 + 5 }, 192 { "tcp.tsdiff", 60 }, 193 { NULL, 0 } 194 }; 195 static const struct pf_hint pf_hint_conservative[] = { 196 { "tcp.first", 60 * 60 }, 197 { "tcp.opening", 15 * 60 }, 198 { "tcp.established", 5 * 24 * 60 * 60 }, 199 { "tcp.closing", 60 * 60 }, 200 { "tcp.finwait", 10 * 60 }, 201 { "tcp.closed", 3 * 60 }, 202 { "tcp.tsdiff", 60 }, 203 { NULL, 0 } 204 }; 205 static const struct pf_hint pf_hint_aggressive[] = { 206 { "tcp.first", 30 }, 207 { "tcp.opening", 5 }, 208 { "tcp.established", 5 * 60 * 60 }, 209 { "tcp.closing", 60 }, 210 { "tcp.finwait", 30 }, 211 { "tcp.closed", 30 }, 212 { "tcp.tsdiff", 10 }, 213 { NULL, 0 } 214 }; 215 216 static const struct { 217 const char *name; 218 const struct pf_hint *hint; 219 } pf_hints[] = { 220 { "normal", pf_hint_normal }, 221 { "satellite", pf_hint_satellite }, 222 { "high-latency", pf_hint_satellite }, 223 { "conservative", pf_hint_conservative }, 224 { "aggressive", pf_hint_aggressive }, 225 { NULL, NULL } 226 }; 227 228 static const char * const clearopt_list[] = { 229 "nat", "queue", "rules", "Sources", 230 "states", "info", "Tables", "osfp", "all", 231 "ethernet", NULL 232 }; 233 234 static const char * const showopt_list[] = { 235 "ether", "nat", "queue", "rules", "Anchors", "Sources", "states", 236 "info", "Interfaces", "labels", "timeouts", "memory", "Tables", 237 "osfp", "Running", "all", "creatorids", NULL 238 }; 239 240 static const char * const tblcmdopt_list[] = { 241 "kill", "flush", "add", "delete", "load", "replace", "show", 242 "test", "zero", "expire", NULL 243 }; 244 245 static const char * const debugopt_list[] = { 246 "none", "urgent", "misc", "loud", NULL 247 }; 248 249 static const char * const optiopt_list[] = { 250 "none", "basic", "profile", NULL 251 }; 252 253 void 254 usage(void) 255 { 256 extern char *__progname; 257 258 fprintf(stderr, 259 "usage: %s [-AdeghMmNnOPqRrvz] [-a anchor] [-D macro=value] [-F modifier]\n" 260 "\t[-f file] [-i interface] [-K host | network]\n" 261 "\t[-k host | network | gateway | label | id] [-o level] [-p device]\n" 262 "\t[-s modifier] [-t table -T command [address ...]] [-x level]\n", 263 __progname); 264 265 exit(1); 266 } 267 268 /* 269 * Cache protocol number to name translations. 270 * 271 * Translation is performed a lot e.g., when dumping states and 272 * getprotobynumber is incredibly expensive. 273 * 274 * Note from the getprotobynumber(3) manpage: 275 * <quote> 276 * These functions use a thread-specific data space; if the data is needed 277 * for future use, it should be copied before any subsequent calls overwrite 278 * it. Only the Internet protocols are currently understood. 279 * </quote> 280 * 281 * Consequently we only cache the name and strdup it for safety. 282 * 283 * At the time of writing this comment the last entry in /etc/protocols is: 284 * divert 258 DIVERT # Divert pseudo-protocol [non IANA] 285 */ 286 const char * 287 pfctl_proto2name(int proto) 288 { 289 static const char *pfctl_proto_cache[259]; 290 struct protoent *p; 291 292 if (proto >= nitems(pfctl_proto_cache)) { 293 p = getprotobynumber(proto); 294 if (p == NULL) { 295 return (NULL); 296 } 297 return (p->p_name); 298 } 299 300 if (pfctl_proto_cache[proto] == NULL) { 301 p = getprotobynumber(proto); 302 if (p == NULL) { 303 return (NULL); 304 } 305 pfctl_proto_cache[proto] = strdup(p->p_name); 306 } 307 308 return (pfctl_proto_cache[proto]); 309 } 310 311 int 312 pfctl_enable(int dev, int opts) 313 { 314 int ret; 315 316 if ((ret = pfctl_startstop(pfh, 1)) != 0) { 317 if (ret == EEXIST) 318 errx(1, "pf already enabled"); 319 else if (ret == ESRCH) 320 errx(1, "pfil registeration failed"); 321 else 322 err(1, "DIOCSTART"); 323 } 324 if ((opts & PF_OPT_QUIET) == 0) 325 fprintf(stderr, "pf enabled\n"); 326 327 if (altqsupport && ioctl(dev, DIOCSTARTALTQ)) 328 if (errno != EEXIST) 329 err(1, "DIOCSTARTALTQ"); 330 331 return (0); 332 } 333 334 int 335 pfctl_disable(int dev, int opts) 336 { 337 int ret; 338 339 if ((ret = pfctl_startstop(pfh, 0)) != 0) { 340 if (ret == ENOENT) 341 errx(1, "pf not enabled"); 342 else 343 err(1, "DIOCSTOP"); 344 } 345 if ((opts & PF_OPT_QUIET) == 0) 346 fprintf(stderr, "pf disabled\n"); 347 348 if (altqsupport && ioctl(dev, DIOCSTOPALTQ)) 349 if (errno != ENOENT) 350 err(1, "DIOCSTOPALTQ"); 351 352 return (0); 353 } 354 355 int 356 pfctl_clear_stats(struct pfctl_handle *h, int opts) 357 { 358 if (pfctl_clear_status(h)) 359 err(1, "DIOCCLRSTATUS"); 360 if ((opts & PF_OPT_QUIET) == 0) 361 fprintf(stderr, "pf: statistics cleared\n"); 362 return (0); 363 } 364 365 int 366 pfctl_get_skip_ifaces(void) 367 { 368 bzero(&skip_b, sizeof(skip_b)); 369 skip_b.pfrb_type = PFRB_IFACES; 370 for (;;) { 371 pfr_buf_grow(&skip_b, skip_b.pfrb_size); 372 skip_b.pfrb_size = skip_b.pfrb_msize; 373 if (pfi_get_ifaces(NULL, skip_b.pfrb_caddr, &skip_b.pfrb_size)) 374 err(1, "pfi_get_ifaces"); 375 if (skip_b.pfrb_size <= skip_b.pfrb_msize) 376 break; 377 } 378 return (0); 379 } 380 381 int 382 pfctl_check_skip_ifaces(char *ifname) 383 { 384 struct pfi_kif *p; 385 struct node_host *h = NULL, *n = NULL; 386 387 PFRB_FOREACH(p, &skip_b) { 388 if (!strcmp(ifname, p->pfik_name) && 389 (p->pfik_flags & PFI_IFLAG_SKIP)) 390 p->pfik_flags &= ~PFI_IFLAG_SKIP; 391 if (!strcmp(ifname, p->pfik_name) && p->pfik_group != NULL) { 392 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 393 continue; 394 395 for (n = h; n != NULL; n = n->next) { 396 if (p->pfik_ifp == NULL) 397 continue; 398 if (strncmp(p->pfik_name, ifname, IFNAMSIZ)) 399 continue; 400 401 p->pfik_flags &= ~PFI_IFLAG_SKIP; 402 } 403 } 404 } 405 return (0); 406 } 407 408 int 409 pfctl_adjust_skip_ifaces(struct pfctl *pf) 410 { 411 struct pfi_kif *p, *pp; 412 struct node_host *h = NULL, *n = NULL; 413 414 PFRB_FOREACH(p, &skip_b) { 415 if (p->pfik_group == NULL || !(p->pfik_flags & PFI_IFLAG_SKIP)) 416 continue; 417 418 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 419 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 420 continue; 421 422 for (n = h; n != NULL; n = n->next) 423 PFRB_FOREACH(pp, &skip_b) { 424 if (pp->pfik_ifp == NULL) 425 continue; 426 427 if (strncmp(pp->pfik_name, n->ifname, IFNAMSIZ)) 428 continue; 429 430 if (!(pp->pfik_flags & PFI_IFLAG_SKIP)) 431 pfctl_set_interface_flags(pf, 432 pp->pfik_name, PFI_IFLAG_SKIP, 1); 433 if (pp->pfik_flags & PFI_IFLAG_SKIP) 434 pp->pfik_flags &= ~PFI_IFLAG_SKIP; 435 } 436 } 437 438 PFRB_FOREACH(p, &skip_b) { 439 if (p->pfik_ifp == NULL || ! (p->pfik_flags & PFI_IFLAG_SKIP)) 440 continue; 441 442 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 443 } 444 445 return (0); 446 } 447 448 int 449 pfctl_clear_interface_flags(int dev, int opts) 450 { 451 struct pfioc_iface pi; 452 453 if ((opts & PF_OPT_NOACTION) == 0) { 454 bzero(&pi, sizeof(pi)); 455 pi.pfiio_flags = PFI_IFLAG_SKIP; 456 457 if (ioctl(dev, DIOCCLRIFFLAG, &pi)) 458 err(1, "DIOCCLRIFFLAG"); 459 if ((opts & PF_OPT_QUIET) == 0) 460 fprintf(stderr, "pf: interface flags reset\n"); 461 } 462 return (0); 463 } 464 465 int 466 pfctl_flush_eth_rules(int dev, int opts, char *anchorname) 467 { 468 int ret; 469 470 ret = pfctl_clear_eth_rules(dev, anchorname); 471 if (ret != 0) 472 err(1, "pfctl_clear_eth_rules"); 473 474 if ((opts & PF_OPT_QUIET) == 0) 475 fprintf(stderr, "Ethernet rules cleared\n"); 476 477 return (ret); 478 } 479 480 int 481 pfctl_flush_rules(int dev, int opts, char *anchorname) 482 { 483 int ret; 484 485 ret = pfctl_clear_rules(dev, anchorname); 486 if (ret != 0) 487 err(1, "pfctl_clear_rules"); 488 if ((opts & PF_OPT_QUIET) == 0) 489 fprintf(stderr, "rules cleared\n"); 490 return (0); 491 } 492 493 int 494 pfctl_flush_nat(int dev, int opts, char *anchorname) 495 { 496 int ret; 497 498 ret = pfctl_clear_nat(dev, anchorname); 499 if (ret != 0) 500 err(1, "pfctl_clear_nat"); 501 if ((opts & PF_OPT_QUIET) == 0) 502 fprintf(stderr, "nat cleared\n"); 503 return (0); 504 } 505 506 int 507 pfctl_clear_altq(int dev, int opts) 508 { 509 struct pfr_buffer t; 510 511 if (!altqsupport) 512 return (-1); 513 memset(&t, 0, sizeof(t)); 514 t.pfrb_type = PFRB_TRANS; 515 if (pfctl_add_trans(&t, PF_RULESET_ALTQ, "") || 516 pfctl_trans(dev, &t, DIOCXBEGIN, 0) || 517 pfctl_trans(dev, &t, DIOCXCOMMIT, 0)) 518 err(1, "pfctl_clear_altq"); 519 if ((opts & PF_OPT_QUIET) == 0) 520 fprintf(stderr, "altq cleared\n"); 521 return (0); 522 } 523 524 int 525 pfctl_clear_src_nodes(int dev, int opts) 526 { 527 if (ioctl(dev, DIOCCLRSRCNODES)) 528 err(1, "DIOCCLRSRCNODES"); 529 if ((opts & PF_OPT_QUIET) == 0) 530 fprintf(stderr, "source tracking entries cleared\n"); 531 return (0); 532 } 533 534 int 535 pfctl_clear_iface_states(int dev, const char *iface, int opts) 536 { 537 struct pfctl_kill kill; 538 unsigned int killed; 539 540 memset(&kill, 0, sizeof(kill)); 541 if (iface != NULL && strlcpy(kill.ifname, iface, 542 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 543 errx(1, "invalid interface: %s", iface); 544 545 if (opts & PF_OPT_KILLMATCH) 546 kill.kill_match = true; 547 548 if (pfctl_clear_states_h(pfh, &kill, &killed)) 549 err(1, "DIOCCLRSTATES"); 550 if ((opts & PF_OPT_QUIET) == 0) 551 fprintf(stderr, "%d states cleared\n", killed); 552 return (0); 553 } 554 555 void 556 pfctl_addrprefix(char *addr, struct pf_addr *mask) 557 { 558 char *p; 559 const char *errstr; 560 int prefix, ret_ga, q, r; 561 struct addrinfo hints, *res; 562 563 if ((p = strchr(addr, '/')) == NULL) 564 return; 565 566 *p++ = '\0'; 567 prefix = strtonum(p, 0, 128, &errstr); 568 if (errstr) 569 errx(1, "prefix is %s: %s", errstr, p); 570 571 bzero(&hints, sizeof(hints)); 572 /* prefix only with numeric addresses */ 573 hints.ai_flags |= AI_NUMERICHOST; 574 575 if ((ret_ga = getaddrinfo(addr, NULL, &hints, &res))) { 576 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 577 /* NOTREACHED */ 578 } 579 580 if (res->ai_family == AF_INET && prefix > 32) 581 errx(1, "prefix too long for AF_INET"); 582 else if (res->ai_family == AF_INET6 && prefix > 128) 583 errx(1, "prefix too long for AF_INET6"); 584 585 q = prefix >> 3; 586 r = prefix & 7; 587 switch (res->ai_family) { 588 case AF_INET: 589 bzero(&mask->v4, sizeof(mask->v4)); 590 mask->v4.s_addr = htonl((u_int32_t) 591 (0xffffffffffULL << (32 - prefix))); 592 break; 593 case AF_INET6: 594 bzero(&mask->v6, sizeof(mask->v6)); 595 if (q > 0) 596 memset((void *)&mask->v6, 0xff, q); 597 if (r > 0) 598 *((u_char *)&mask->v6 + q) = 599 (0xff00 >> r) & 0xff; 600 break; 601 } 602 freeaddrinfo(res); 603 } 604 605 int 606 pfctl_kill_src_nodes(int dev, const char *iface, int opts) 607 { 608 struct pfioc_src_node_kill psnk; 609 struct addrinfo *res[2], *resp[2]; 610 struct sockaddr last_src, last_dst; 611 int killed, sources, dests; 612 int ret_ga; 613 614 killed = sources = dests = 0; 615 616 memset(&psnk, 0, sizeof(psnk)); 617 memset(&psnk.psnk_src.addr.v.a.mask, 0xff, 618 sizeof(psnk.psnk_src.addr.v.a.mask)); 619 memset(&last_src, 0xff, sizeof(last_src)); 620 memset(&last_dst, 0xff, sizeof(last_dst)); 621 622 pfctl_addrprefix(src_node_kill[0], &psnk.psnk_src.addr.v.a.mask); 623 624 if ((ret_ga = getaddrinfo(src_node_kill[0], NULL, NULL, &res[0]))) { 625 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 626 /* NOTREACHED */ 627 } 628 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 629 if (resp[0]->ai_addr == NULL) 630 continue; 631 /* We get lots of duplicates. Catch the easy ones */ 632 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 633 continue; 634 last_src = *(struct sockaddr *)resp[0]->ai_addr; 635 636 psnk.psnk_af = resp[0]->ai_family; 637 sources++; 638 639 if (psnk.psnk_af == AF_INET) 640 psnk.psnk_src.addr.v.a.addr.v4 = 641 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 642 else if (psnk.psnk_af == AF_INET6) 643 psnk.psnk_src.addr.v.a.addr.v6 = 644 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 645 sin6_addr; 646 else 647 errx(1, "Unknown address family %d", psnk.psnk_af); 648 649 if (src_node_killers > 1) { 650 dests = 0; 651 memset(&psnk.psnk_dst.addr.v.a.mask, 0xff, 652 sizeof(psnk.psnk_dst.addr.v.a.mask)); 653 memset(&last_dst, 0xff, sizeof(last_dst)); 654 pfctl_addrprefix(src_node_kill[1], 655 &psnk.psnk_dst.addr.v.a.mask); 656 if ((ret_ga = getaddrinfo(src_node_kill[1], NULL, NULL, 657 &res[1]))) { 658 errx(1, "getaddrinfo: %s", 659 gai_strerror(ret_ga)); 660 /* NOTREACHED */ 661 } 662 for (resp[1] = res[1]; resp[1]; 663 resp[1] = resp[1]->ai_next) { 664 if (resp[1]->ai_addr == NULL) 665 continue; 666 if (psnk.psnk_af != resp[1]->ai_family) 667 continue; 668 669 if (memcmp(&last_dst, resp[1]->ai_addr, 670 sizeof(last_dst)) == 0) 671 continue; 672 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 673 674 dests++; 675 676 if (psnk.psnk_af == AF_INET) 677 psnk.psnk_dst.addr.v.a.addr.v4 = 678 ((struct sockaddr_in *)resp[1]-> 679 ai_addr)->sin_addr; 680 else if (psnk.psnk_af == AF_INET6) 681 psnk.psnk_dst.addr.v.a.addr.v6 = 682 ((struct sockaddr_in6 *)resp[1]-> 683 ai_addr)->sin6_addr; 684 else 685 errx(1, "Unknown address family %d", 686 psnk.psnk_af); 687 688 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 689 err(1, "DIOCKILLSRCNODES"); 690 killed += psnk.psnk_killed; 691 } 692 freeaddrinfo(res[1]); 693 } else { 694 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 695 err(1, "DIOCKILLSRCNODES"); 696 killed += psnk.psnk_killed; 697 } 698 } 699 700 freeaddrinfo(res[0]); 701 702 if ((opts & PF_OPT_QUIET) == 0) 703 fprintf(stderr, "killed %d src nodes from %d sources and %d " 704 "destinations\n", killed, sources, dests); 705 return (0); 706 } 707 708 int 709 pfctl_net_kill_states(int dev, const char *iface, int opts) 710 { 711 struct pfctl_kill kill; 712 struct addrinfo *res[2], *resp[2]; 713 struct sockaddr last_src, last_dst; 714 unsigned int newkilled; 715 int killed, sources, dests; 716 int ret_ga; 717 718 killed = sources = dests = 0; 719 720 memset(&kill, 0, sizeof(kill)); 721 memset(&kill.src.addr.v.a.mask, 0xff, 722 sizeof(kill.src.addr.v.a.mask)); 723 memset(&last_src, 0xff, sizeof(last_src)); 724 memset(&last_dst, 0xff, sizeof(last_dst)); 725 if (iface != NULL && strlcpy(kill.ifname, iface, 726 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 727 errx(1, "invalid interface: %s", iface); 728 729 if (state_killers == 2 && (strcmp(state_kill[0], "nat") == 0)) { 730 kill.nat = true; 731 state_kill[0] = state_kill[1]; 732 state_killers = 1; 733 } 734 735 pfctl_addrprefix(state_kill[0], &kill.src.addr.v.a.mask); 736 737 if (opts & PF_OPT_KILLMATCH) 738 kill.kill_match = true; 739 740 if ((ret_ga = getaddrinfo(state_kill[0], NULL, NULL, &res[0]))) { 741 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 742 /* NOTREACHED */ 743 } 744 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 745 if (resp[0]->ai_addr == NULL) 746 continue; 747 /* We get lots of duplicates. Catch the easy ones */ 748 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 749 continue; 750 last_src = *(struct sockaddr *)resp[0]->ai_addr; 751 752 kill.af = resp[0]->ai_family; 753 sources++; 754 755 if (kill.af == AF_INET) 756 kill.src.addr.v.a.addr.v4 = 757 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 758 else if (kill.af == AF_INET6) 759 kill.src.addr.v.a.addr.v6 = 760 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 761 sin6_addr; 762 else 763 errx(1, "Unknown address family %d", kill.af); 764 765 if (state_killers > 1) { 766 dests = 0; 767 memset(&kill.dst.addr.v.a.mask, 0xff, 768 sizeof(kill.dst.addr.v.a.mask)); 769 memset(&last_dst, 0xff, sizeof(last_dst)); 770 pfctl_addrprefix(state_kill[1], 771 &kill.dst.addr.v.a.mask); 772 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, 773 &res[1]))) { 774 errx(1, "getaddrinfo: %s", 775 gai_strerror(ret_ga)); 776 /* NOTREACHED */ 777 } 778 for (resp[1] = res[1]; resp[1]; 779 resp[1] = resp[1]->ai_next) { 780 if (resp[1]->ai_addr == NULL) 781 continue; 782 if (kill.af != resp[1]->ai_family) 783 continue; 784 785 if (memcmp(&last_dst, resp[1]->ai_addr, 786 sizeof(last_dst)) == 0) 787 continue; 788 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 789 790 dests++; 791 792 if (kill.af == AF_INET) 793 kill.dst.addr.v.a.addr.v4 = 794 ((struct sockaddr_in *)resp[1]-> 795 ai_addr)->sin_addr; 796 else if (kill.af == AF_INET6) 797 kill.dst.addr.v.a.addr.v6 = 798 ((struct sockaddr_in6 *)resp[1]-> 799 ai_addr)->sin6_addr; 800 else 801 errx(1, "Unknown address family %d", 802 kill.af); 803 804 if (pfctl_kill_states_h(pfh, &kill, &newkilled)) 805 err(1, "DIOCKILLSTATES"); 806 killed += newkilled; 807 } 808 freeaddrinfo(res[1]); 809 } else { 810 if (pfctl_kill_states_h(pfh, &kill, &newkilled)) 811 err(1, "DIOCKILLSTATES"); 812 killed += newkilled; 813 } 814 } 815 816 freeaddrinfo(res[0]); 817 818 if ((opts & PF_OPT_QUIET) == 0) 819 fprintf(stderr, "killed %d states from %d sources and %d " 820 "destinations\n", killed, sources, dests); 821 return (0); 822 } 823 824 int 825 pfctl_gateway_kill_states(int dev, const char *iface, int opts) 826 { 827 struct pfctl_kill kill; 828 struct addrinfo *res, *resp; 829 struct sockaddr last_src; 830 unsigned int newkilled; 831 int killed = 0; 832 int ret_ga; 833 834 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 835 warnx("no gateway specified"); 836 usage(); 837 } 838 839 memset(&kill, 0, sizeof(kill)); 840 memset(&kill.rt_addr.addr.v.a.mask, 0xff, 841 sizeof(kill.rt_addr.addr.v.a.mask)); 842 memset(&last_src, 0xff, sizeof(last_src)); 843 if (iface != NULL && strlcpy(kill.ifname, iface, 844 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 845 errx(1, "invalid interface: %s", iface); 846 847 if (opts & PF_OPT_KILLMATCH) 848 kill.kill_match = true; 849 850 pfctl_addrprefix(state_kill[1], &kill.rt_addr.addr.v.a.mask); 851 852 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, &res))) { 853 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 854 /* NOTREACHED */ 855 } 856 for (resp = res; resp; resp = resp->ai_next) { 857 if (resp->ai_addr == NULL) 858 continue; 859 /* We get lots of duplicates. Catch the easy ones */ 860 if (memcmp(&last_src, resp->ai_addr, sizeof(last_src)) == 0) 861 continue; 862 last_src = *(struct sockaddr *)resp->ai_addr; 863 864 kill.af = resp->ai_family; 865 866 if (kill.af == AF_INET) 867 kill.rt_addr.addr.v.a.addr.v4 = 868 ((struct sockaddr_in *)resp->ai_addr)->sin_addr; 869 else if (kill.af == AF_INET6) 870 kill.rt_addr.addr.v.a.addr.v6 = 871 ((struct sockaddr_in6 *)resp->ai_addr)-> 872 sin6_addr; 873 else 874 errx(1, "Unknown address family %d", kill.af); 875 876 if (pfctl_kill_states_h(pfh, &kill, &newkilled)) 877 err(1, "DIOCKILLSTATES"); 878 killed += newkilled; 879 } 880 881 freeaddrinfo(res); 882 883 if ((opts & PF_OPT_QUIET) == 0) 884 fprintf(stderr, "killed %d states\n", killed); 885 return (0); 886 } 887 888 int 889 pfctl_label_kill_states(int dev, const char *iface, int opts) 890 { 891 struct pfctl_kill kill; 892 unsigned int killed; 893 894 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 895 warnx("no label specified"); 896 usage(); 897 } 898 memset(&kill, 0, sizeof(kill)); 899 if (iface != NULL && strlcpy(kill.ifname, iface, 900 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 901 errx(1, "invalid interface: %s", iface); 902 903 if (opts & PF_OPT_KILLMATCH) 904 kill.kill_match = true; 905 906 if (strlcpy(kill.label, state_kill[1], sizeof(kill.label)) >= 907 sizeof(kill.label)) 908 errx(1, "label too long: %s", state_kill[1]); 909 910 if (pfctl_kill_states_h(pfh, &kill, &killed)) 911 err(1, "DIOCKILLSTATES"); 912 913 if ((opts & PF_OPT_QUIET) == 0) 914 fprintf(stderr, "killed %d states\n", killed); 915 916 return (0); 917 } 918 919 int 920 pfctl_id_kill_states(int dev, const char *iface, int opts) 921 { 922 struct pfctl_kill kill; 923 unsigned int killed; 924 925 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 926 warnx("no id specified"); 927 usage(); 928 } 929 930 memset(&kill, 0, sizeof(kill)); 931 932 if (opts & PF_OPT_KILLMATCH) 933 kill.kill_match = true; 934 935 if ((sscanf(state_kill[1], "%jx/%x", 936 &kill.cmp.id, &kill.cmp.creatorid)) == 2) { 937 } 938 else if ((sscanf(state_kill[1], "%jx", &kill.cmp.id)) == 1) { 939 kill.cmp.creatorid = 0; 940 } else { 941 warnx("wrong id format specified"); 942 usage(); 943 } 944 if (kill.cmp.id == 0) { 945 warnx("cannot kill id 0"); 946 usage(); 947 } 948 949 if (pfctl_kill_states_h(pfh, &kill, &killed)) 950 err(1, "DIOCKILLSTATES"); 951 952 if ((opts & PF_OPT_QUIET) == 0) 953 fprintf(stderr, "killed %d states\n", killed); 954 955 return (0); 956 } 957 958 int 959 pfctl_get_pool(int dev, struct pfctl_pool *pool, u_int32_t nr, 960 u_int32_t ticket, int r_action, char *anchorname) 961 { 962 struct pfioc_pooladdr pp; 963 struct pf_pooladdr *pa; 964 u_int32_t pnr, mpnr; 965 966 memset(&pp, 0, sizeof(pp)); 967 if (pfctl_get_addrs(pfh, ticket, nr, r_action, anchorname, &mpnr) != 0) { 968 warn("DIOCGETADDRS"); 969 return (-1); 970 } 971 972 TAILQ_INIT(&pool->list); 973 for (pnr = 0; pnr < mpnr; ++pnr) { 974 if (pfctl_get_addr(pfh, ticket, nr, r_action, anchorname, pnr, &pp) != 0) { 975 warn("DIOCGETADDR"); 976 return (-1); 977 } 978 pa = calloc(1, sizeof(struct pf_pooladdr)); 979 if (pa == NULL) 980 err(1, "calloc"); 981 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr)); 982 TAILQ_INSERT_TAIL(&pool->list, pa, entries); 983 } 984 985 return (0); 986 } 987 988 void 989 pfctl_move_pool(struct pfctl_pool *src, struct pfctl_pool *dst) 990 { 991 struct pf_pooladdr *pa; 992 993 while ((pa = TAILQ_FIRST(&src->list)) != NULL) { 994 TAILQ_REMOVE(&src->list, pa, entries); 995 TAILQ_INSERT_TAIL(&dst->list, pa, entries); 996 } 997 } 998 999 void 1000 pfctl_clear_pool(struct pfctl_pool *pool) 1001 { 1002 struct pf_pooladdr *pa; 1003 1004 while ((pa = TAILQ_FIRST(&pool->list)) != NULL) { 1005 TAILQ_REMOVE(&pool->list, pa, entries); 1006 free(pa); 1007 } 1008 } 1009 1010 void 1011 pfctl_print_eth_rule_counters(struct pfctl_eth_rule *rule, int opts) 1012 { 1013 if (opts & PF_OPT_VERBOSE) { 1014 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1015 "Bytes: %-10llu]\n", 1016 (unsigned long long)rule->evaluations, 1017 (unsigned long long)(rule->packets[0] + 1018 rule->packets[1]), 1019 (unsigned long long)(rule->bytes[0] + 1020 rule->bytes[1])); 1021 } 1022 if (opts & PF_OPT_VERBOSE2) { 1023 char timestr[30]; 1024 1025 if (rule->last_active_timestamp != 0) { 1026 bcopy(ctime(&rule->last_active_timestamp), timestr, 1027 sizeof(timestr)); 1028 *strchr(timestr, '\n') = '\0'; 1029 } else { 1030 snprintf(timestr, sizeof(timestr), "N/A"); 1031 } 1032 printf(" [ Last Active Time: %s ]\n", timestr); 1033 } 1034 } 1035 1036 void 1037 pfctl_print_rule_counters(struct pfctl_rule *rule, int opts) 1038 { 1039 if (opts & PF_OPT_DEBUG) { 1040 const char *t[PF_SKIP_COUNT] = { "i", "d", "f", 1041 "p", "sa", "sp", "da", "dp" }; 1042 int i; 1043 1044 printf(" [ Skip steps: "); 1045 for (i = 0; i < PF_SKIP_COUNT; ++i) { 1046 if (rule->skip[i].nr == rule->nr + 1) 1047 continue; 1048 printf("%s=", t[i]); 1049 if (rule->skip[i].nr == -1) 1050 printf("end "); 1051 else 1052 printf("%u ", rule->skip[i].nr); 1053 } 1054 printf("]\n"); 1055 1056 printf(" [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n", 1057 rule->qname, rule->qid, rule->pqname, rule->pqid); 1058 } 1059 if (opts & PF_OPT_VERBOSE) { 1060 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1061 "Bytes: %-10llu States: %-6ju]\n", 1062 (unsigned long long)rule->evaluations, 1063 (unsigned long long)(rule->packets[0] + 1064 rule->packets[1]), 1065 (unsigned long long)(rule->bytes[0] + 1066 rule->bytes[1]), (uintmax_t)rule->states_cur); 1067 if (!(opts & PF_OPT_DEBUG)) 1068 printf(" [ Inserted: uid %u pid %u " 1069 "State Creations: %-6ju]\n", 1070 (unsigned)rule->cuid, (unsigned)rule->cpid, 1071 (uintmax_t)rule->states_tot); 1072 } 1073 if (opts & PF_OPT_VERBOSE2) { 1074 char timestr[30]; 1075 if (rule->last_active_timestamp != 0) { 1076 bcopy(ctime(&rule->last_active_timestamp), timestr, 1077 sizeof(timestr)); 1078 *strchr(timestr, '\n') = '\0'; 1079 } else { 1080 snprintf(timestr, sizeof(timestr), "N/A"); 1081 } 1082 printf(" [ Last Active Time: %s ]\n", timestr); 1083 } 1084 } 1085 1086 void 1087 pfctl_print_title(char *title) 1088 { 1089 if (!first_title) 1090 printf("\n"); 1091 first_title = 0; 1092 printf("%s\n", title); 1093 } 1094 1095 int 1096 pfctl_show_eth_rules(int dev, char *path, int opts, enum pfctl_show format, 1097 char *anchorname, int depth, int wildcard) 1098 { 1099 char anchor_call[MAXPATHLEN]; 1100 struct pfctl_eth_rules_info info; 1101 struct pfctl_eth_rule rule; 1102 int brace; 1103 int dotitle = opts & PF_OPT_SHOWALL; 1104 int len = strlen(path); 1105 char *npath, *p; 1106 1107 /* 1108 * Truncate a trailing / and * on an anchorname before searching for 1109 * the ruleset, this is syntactic sugar that doesn't actually make it 1110 * to the kernel. 1111 */ 1112 if ((p = strrchr(anchorname, '/')) != NULL && 1113 p[1] == '*' && p[2] == '\0') { 1114 p[0] = '\0'; 1115 } 1116 1117 if (anchorname[0] == '/') { 1118 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1119 errx(1, "pfctl_rules: calloc"); 1120 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1121 } else { 1122 if (path[0]) 1123 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1124 else 1125 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1126 npath = path; 1127 } 1128 1129 /* 1130 * If this anchor was called with a wildcard path, go through 1131 * the rulesets in the anchor rather than the rules. 1132 */ 1133 if (wildcard && (opts & PF_OPT_RECURSE)) { 1134 struct pfctl_eth_rulesets_info ri; 1135 u_int32_t mnr, nr; 1136 1137 if (pfctl_get_eth_rulesets_info(dev, &ri, npath)) { 1138 if (errno == EINVAL) { 1139 fprintf(stderr, "Anchor '%s' " 1140 "not found.\n", anchorname); 1141 } else { 1142 warn("DIOCGETETHRULESETS"); 1143 return (-1); 1144 } 1145 } 1146 mnr = ri.nr; 1147 1148 pfctl_print_eth_rule_counters(&rule, opts); 1149 for (nr = 0; nr < mnr; ++nr) { 1150 struct pfctl_eth_ruleset_info rs; 1151 1152 if (pfctl_get_eth_ruleset(dev, npath, nr, &rs)) 1153 err(1, "DIOCGETETHRULESET"); 1154 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1155 printf("anchor \"%s\" all {\n", rs.name); 1156 pfctl_show_eth_rules(dev, npath, opts, 1157 format, rs.name, depth + 1, 0); 1158 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1159 printf("}\n"); 1160 } 1161 path[len] = '\0'; 1162 return (0); 1163 } 1164 1165 if (pfctl_get_eth_rules_info(dev, &info, path)) { 1166 warn("DIOCGETETHRULES"); 1167 return (-1); 1168 } 1169 for (int nr = 0; nr < info.nr; nr++) { 1170 brace = 0; 1171 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1172 if (pfctl_get_eth_rule(dev, nr, info.ticket, path, &rule, 1173 opts & PF_OPT_CLRRULECTRS, anchor_call) != 0) { 1174 warn("DIOCGETETHRULE"); 1175 return (-1); 1176 } 1177 if (anchor_call[0] && 1178 ((((p = strrchr(anchor_call, '_')) != NULL) && 1179 (p == anchor_call || 1180 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) { 1181 brace++; 1182 int aclen = strlen(anchor_call); 1183 if (anchor_call[aclen - 1] == '*') 1184 anchor_call[aclen - 2] = '\0'; 1185 } 1186 p = &anchor_call[0]; 1187 if (dotitle) { 1188 pfctl_print_title("ETH RULES:"); 1189 dotitle = 0; 1190 } 1191 print_eth_rule(&rule, anchor_call, 1192 opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1193 if (brace) 1194 printf(" {\n"); 1195 else 1196 printf("\n"); 1197 pfctl_print_eth_rule_counters(&rule, opts); 1198 if (brace) { 1199 pfctl_show_eth_rules(dev, path, opts, format, 1200 p, depth + 1, rule.anchor_wildcard); 1201 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1202 printf("}\n"); 1203 } 1204 } 1205 1206 path[len] = '\0'; 1207 return (0); 1208 } 1209 1210 int 1211 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format, 1212 char *anchorname, int depth, int wildcard) 1213 { 1214 struct pfctl_rules_info ri; 1215 struct pfctl_rule rule; 1216 char anchor_call[MAXPATHLEN]; 1217 u_int32_t nr, header = 0; 1218 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 1219 int numeric = opts & PF_OPT_NUMERIC; 1220 int len = strlen(path), ret = 0; 1221 char *npath, *p; 1222 1223 /* 1224 * Truncate a trailing / and * on an anchorname before searching for 1225 * the ruleset, this is syntactic sugar that doesn't actually make it 1226 * to the kernel. 1227 */ 1228 if ((p = strrchr(anchorname, '/')) != NULL && 1229 p[1] == '*' && p[2] == '\0') { 1230 p[0] = '\0'; 1231 } 1232 1233 if (anchorname[0] == '/') { 1234 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1235 errx(1, "pfctl_rules: calloc"); 1236 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1237 } else { 1238 if (path[0]) 1239 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1240 else 1241 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1242 npath = path; 1243 } 1244 1245 /* 1246 * If this anchor was called with a wildcard path, go through 1247 * the rulesets in the anchor rather than the rules. 1248 */ 1249 if (wildcard && (opts & PF_OPT_RECURSE)) { 1250 struct pfioc_ruleset prs; 1251 u_int32_t mnr, nr; 1252 1253 memset(&prs, 0, sizeof(prs)); 1254 memcpy(prs.path, npath, sizeof(prs.path)); 1255 if (ioctl(dev, DIOCGETRULESETS, &prs)) { 1256 if (errno == EINVAL) 1257 fprintf(stderr, "Anchor '%s' " 1258 "not found.\n", anchorname); 1259 else 1260 err(1, "DIOCGETRULESETS"); 1261 } 1262 mnr = prs.nr; 1263 1264 pfctl_print_rule_counters(&rule, opts); 1265 for (nr = 0; nr < mnr; ++nr) { 1266 prs.nr = nr; 1267 if (ioctl(dev, DIOCGETRULESET, &prs)) 1268 err(1, "DIOCGETRULESET"); 1269 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1270 printf("anchor \"%s\" all {\n", prs.name); 1271 pfctl_show_rules(dev, npath, opts, 1272 format, prs.name, depth + 1, 0); 1273 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1274 printf("}\n"); 1275 } 1276 path[len] = '\0'; 1277 return (0); 1278 } 1279 1280 if (opts & PF_OPT_SHOWALL) { 1281 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1282 if (ret != 0) { 1283 warn("DIOCGETRULES"); 1284 goto error; 1285 } 1286 header++; 1287 } 1288 ret = pfctl_get_rules_info_h(pfh, &ri, PF_SCRUB, path); 1289 if (ret != 0) { 1290 warn("DIOCGETRULES"); 1291 goto error; 1292 } 1293 if (opts & PF_OPT_SHOWALL) { 1294 if (format == PFCTL_SHOW_RULES && (ri.nr > 0 || header)) 1295 pfctl_print_title("FILTER RULES:"); 1296 else if (format == PFCTL_SHOW_LABELS && labels) 1297 pfctl_print_title("LABEL COUNTERS:"); 1298 } 1299 1300 for (nr = 0; nr < ri.nr; ++nr) { 1301 if (pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_SCRUB, 1302 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) { 1303 warn("DIOCGETRULENV"); 1304 goto error; 1305 } 1306 1307 if (pfctl_get_pool(dev, &rule.rpool, 1308 nr, ri.ticket, PF_SCRUB, path) != 0) 1309 goto error; 1310 1311 switch (format) { 1312 case PFCTL_SHOW_LABELS: 1313 break; 1314 case PFCTL_SHOW_RULES: 1315 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1316 labels = 1; 1317 print_rule(&rule, anchor_call, rule_numbers, numeric); 1318 printf("\n"); 1319 pfctl_print_rule_counters(&rule, opts); 1320 break; 1321 case PFCTL_SHOW_NOTHING: 1322 break; 1323 } 1324 pfctl_clear_pool(&rule.rpool); 1325 } 1326 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1327 if (ret != 0) { 1328 warn("DIOCGETRULES"); 1329 goto error; 1330 } 1331 for (nr = 0; nr < ri.nr; ++nr) { 1332 if (pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_PASS, 1333 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) { 1334 warn("DIOCGETRULE"); 1335 goto error; 1336 } 1337 1338 if (pfctl_get_pool(dev, &rule.rpool, 1339 nr, ri.ticket, PF_PASS, path) != 0) 1340 goto error; 1341 1342 switch (format) { 1343 case PFCTL_SHOW_LABELS: { 1344 bool show = false; 1345 int i = 0; 1346 1347 while (rule.label[i][0]) { 1348 printf("%s ", rule.label[i++]); 1349 show = true; 1350 } 1351 1352 if (show) { 1353 printf("%llu %llu %llu %llu" 1354 " %llu %llu %llu %ju\n", 1355 (unsigned long long)rule.evaluations, 1356 (unsigned long long)(rule.packets[0] + 1357 rule.packets[1]), 1358 (unsigned long long)(rule.bytes[0] + 1359 rule.bytes[1]), 1360 (unsigned long long)rule.packets[0], 1361 (unsigned long long)rule.bytes[0], 1362 (unsigned long long)rule.packets[1], 1363 (unsigned long long)rule.bytes[1], 1364 (uintmax_t)rule.states_tot); 1365 } 1366 1367 if (anchor_call[0] && 1368 (((p = strrchr(anchor_call, '/')) ? 1369 p[1] == '_' : anchor_call[0] == '_') || 1370 opts & PF_OPT_RECURSE)) { 1371 pfctl_show_rules(dev, npath, opts, format, 1372 anchor_call, depth, rule.anchor_wildcard); 1373 } 1374 break; 1375 } 1376 case PFCTL_SHOW_RULES: 1377 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1378 labels = 1; 1379 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1380 print_rule(&rule, anchor_call, rule_numbers, numeric); 1381 1382 /* 1383 * If this is a 'unnamed' brace notation 1384 * anchor, OR the user has explicitly requested 1385 * recursion, print it recursively. 1386 */ 1387 if (anchor_call[0] && 1388 (((p = strrchr(anchor_call, '/')) ? 1389 p[1] == '_' : anchor_call[0] == '_') || 1390 opts & PF_OPT_RECURSE)) { 1391 printf(" {\n"); 1392 pfctl_print_rule_counters(&rule, opts); 1393 pfctl_show_rules(dev, npath, opts, format, 1394 anchor_call, depth + 1, 1395 rule.anchor_wildcard); 1396 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1397 printf("}\n"); 1398 } else { 1399 printf("\n"); 1400 pfctl_print_rule_counters(&rule, opts); 1401 } 1402 break; 1403 case PFCTL_SHOW_NOTHING: 1404 break; 1405 } 1406 pfctl_clear_pool(&rule.rpool); 1407 } 1408 1409 error: 1410 path[len] = '\0'; 1411 return (ret); 1412 } 1413 1414 int 1415 pfctl_show_nat(int dev, char *path, int opts, char *anchorname, int depth, 1416 int wildcard) 1417 { 1418 struct pfctl_rules_info ri; 1419 struct pfctl_rule rule; 1420 char anchor_call[MAXPATHLEN]; 1421 u_int32_t nr; 1422 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT }; 1423 int i, dotitle = opts & PF_OPT_SHOWALL; 1424 int ret; 1425 int len = strlen(path); 1426 char *npath, *p; 1427 1428 /* 1429 * Truncate a trailing / and * on an anchorname before searching for 1430 * the ruleset, this is syntactic sugar that doesn't actually make it 1431 * to the kernel. 1432 */ 1433 if ((p = strrchr(anchorname, '/')) != NULL && 1434 p[1] == '*' && p[2] == '\0') { 1435 p[0] = '\0'; 1436 } 1437 1438 if (anchorname[0] == '/') { 1439 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1440 errx(1, "pfctl_rules: calloc"); 1441 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1442 } else { 1443 if (path[0]) 1444 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1445 else 1446 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1447 npath = path; 1448 } 1449 1450 /* 1451 * If this anchor was called with a wildcard path, go through 1452 * the rulesets in the anchor rather than the rules. 1453 */ 1454 if (wildcard && (opts & PF_OPT_RECURSE)) { 1455 struct pfioc_ruleset prs; 1456 u_int32_t mnr, nr; 1457 memset(&prs, 0, sizeof(prs)); 1458 memcpy(prs.path, npath, sizeof(prs.path)); 1459 if (ioctl(dev, DIOCGETRULESETS, &prs)) { 1460 if (errno == EINVAL) 1461 fprintf(stderr, "NAT anchor '%s' " 1462 "not found.\n", anchorname); 1463 else 1464 err(1, "DIOCGETRULESETS"); 1465 } 1466 mnr = prs.nr; 1467 1468 pfctl_print_rule_counters(&rule, opts); 1469 for (nr = 0; nr < mnr; ++nr) { 1470 prs.nr = nr; 1471 if (ioctl(dev, DIOCGETRULESET, &prs)) 1472 err(1, "DIOCGETRULESET"); 1473 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1474 printf("nat-anchor \"%s\" all {\n", prs.name); 1475 pfctl_show_nat(dev, npath, opts, 1476 prs.name, depth + 1, 0); 1477 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1478 printf("}\n"); 1479 } 1480 path[len] = '\0'; 1481 return (0); 1482 } 1483 1484 for (i = 0; i < 3; i++) { 1485 ret = pfctl_get_rules_info_h(pfh, &ri, nattype[i], path); 1486 if (ret != 0) { 1487 warn("DIOCGETRULES"); 1488 return (-1); 1489 } 1490 for (nr = 0; nr < ri.nr; ++nr) { 1491 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1492 1493 if (pfctl_get_rule_h(pfh, nr, ri.ticket, path, 1494 nattype[i], &rule, anchor_call)) { 1495 warn("DIOCGETRULE"); 1496 return (-1); 1497 } 1498 if (pfctl_get_pool(dev, &rule.rpool, nr, 1499 ri.ticket, nattype[i], path) != 0) 1500 return (-1); 1501 1502 if (dotitle) { 1503 pfctl_print_title("TRANSLATION RULES:"); 1504 dotitle = 0; 1505 } 1506 print_rule(&rule, anchor_call, 1507 opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC); 1508 if (anchor_call[0] && 1509 (((p = strrchr(anchor_call, '/')) ? 1510 p[1] == '_' : anchor_call[0] == '_') || 1511 opts & PF_OPT_RECURSE)) { 1512 printf(" {\n"); 1513 pfctl_print_rule_counters(&rule, opts); 1514 pfctl_show_nat(dev, npath, opts, anchor_call, 1515 depth + 1, rule.anchor_wildcard); 1516 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1517 printf("}\n"); 1518 } else { 1519 printf("\n"); 1520 pfctl_print_rule_counters(&rule, opts); 1521 } 1522 } 1523 } 1524 return (0); 1525 } 1526 1527 int 1528 pfctl_show_src_nodes(int dev, int opts) 1529 { 1530 struct pfioc_src_nodes psn; 1531 struct pf_src_node *p; 1532 char *inbuf = NULL, *newinbuf = NULL; 1533 unsigned int len = 0; 1534 int i; 1535 1536 memset(&psn, 0, sizeof(psn)); 1537 for (;;) { 1538 psn.psn_len = len; 1539 if (len) { 1540 newinbuf = realloc(inbuf, len); 1541 if (newinbuf == NULL) 1542 err(1, "realloc"); 1543 psn.psn_buf = inbuf = newinbuf; 1544 } 1545 if (ioctl(dev, DIOCGETSRCNODES, &psn) < 0) { 1546 warn("DIOCGETSRCNODES"); 1547 free(inbuf); 1548 return (-1); 1549 } 1550 if (psn.psn_len + sizeof(struct pfioc_src_nodes) < len) 1551 break; 1552 if (len == 0 && psn.psn_len == 0) 1553 goto done; 1554 if (len == 0 && psn.psn_len != 0) 1555 len = psn.psn_len; 1556 if (psn.psn_len == 0) 1557 goto done; /* no src_nodes */ 1558 len *= 2; 1559 } 1560 p = psn.psn_src_nodes; 1561 if (psn.psn_len > 0 && (opts & PF_OPT_SHOWALL)) 1562 pfctl_print_title("SOURCE TRACKING NODES:"); 1563 for (i = 0; i < psn.psn_len; i += sizeof(*p)) { 1564 print_src_node(p, opts); 1565 p++; 1566 } 1567 done: 1568 free(inbuf); 1569 return (0); 1570 } 1571 1572 struct pfctl_show_state_arg { 1573 int opts; 1574 int dotitle; 1575 const char *iface; 1576 }; 1577 1578 static int 1579 pfctl_show_state(struct pfctl_state *s, void *arg) 1580 { 1581 struct pfctl_show_state_arg *a = (struct pfctl_show_state_arg *)arg; 1582 1583 if (a->dotitle) { 1584 pfctl_print_title("STATES:"); 1585 a->dotitle = 0; 1586 } 1587 print_state(s, a->opts); 1588 1589 return (0); 1590 } 1591 1592 int 1593 pfctl_show_states(int dev, const char *iface, int opts) 1594 { 1595 struct pfctl_show_state_arg arg; 1596 struct pfctl_state_filter filter = {}; 1597 1598 if (iface != NULL) 1599 strncpy(filter.ifname, iface, IFNAMSIZ); 1600 1601 arg.opts = opts; 1602 arg.dotitle = opts & PF_OPT_SHOWALL; 1603 arg.iface = iface; 1604 1605 if (pfctl_get_filtered_states_iter(&filter, pfctl_show_state, &arg)) 1606 return (-1); 1607 1608 return (0); 1609 } 1610 1611 int 1612 pfctl_show_status(int dev, int opts) 1613 { 1614 struct pfctl_status *status; 1615 struct pfctl_syncookies cookies; 1616 1617 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1618 warn("DIOCGETSTATUS"); 1619 return (-1); 1620 } 1621 if (pfctl_get_syncookies(dev, &cookies)) { 1622 pfctl_free_status(status); 1623 warn("DIOCGETSYNCOOKIES"); 1624 return (-1); 1625 } 1626 if (opts & PF_OPT_SHOWALL) 1627 pfctl_print_title("INFO:"); 1628 print_status(status, &cookies, opts); 1629 pfctl_free_status(status); 1630 return (0); 1631 } 1632 1633 int 1634 pfctl_show_running(int dev) 1635 { 1636 struct pfctl_status *status; 1637 int running; 1638 1639 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1640 warn("DIOCGETSTATUS"); 1641 return (-1); 1642 } 1643 1644 running = status->running; 1645 1646 print_running(status); 1647 pfctl_free_status(status); 1648 return (!running); 1649 } 1650 1651 int 1652 pfctl_show_timeouts(int dev, int opts) 1653 { 1654 uint32_t seconds; 1655 int i; 1656 1657 if (opts & PF_OPT_SHOWALL) 1658 pfctl_print_title("TIMEOUTS:"); 1659 for (i = 0; pf_timeouts[i].name; i++) { 1660 if (pfctl_get_timeout(pfh, pf_timeouts[i].timeout, &seconds)) 1661 err(1, "DIOCGETTIMEOUT"); 1662 printf("%-20s %10d", pf_timeouts[i].name, seconds); 1663 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START && 1664 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END) 1665 printf(" states"); 1666 else 1667 printf("s"); 1668 printf("\n"); 1669 } 1670 return (0); 1671 1672 } 1673 1674 int 1675 pfctl_show_limits(int dev, int opts) 1676 { 1677 unsigned int limit; 1678 int i; 1679 1680 if (opts & PF_OPT_SHOWALL) 1681 pfctl_print_title("LIMITS:"); 1682 for (i = 0; pf_limits[i].name; i++) { 1683 if (pfctl_get_limit(pfh, pf_limits[i].index, &limit)) 1684 err(1, "DIOCGETLIMIT"); 1685 printf("%-13s ", pf_limits[i].name); 1686 if (limit == UINT_MAX) 1687 printf("unlimited\n"); 1688 else 1689 printf("hard limit %8u\n", limit); 1690 } 1691 return (0); 1692 } 1693 1694 void 1695 pfctl_show_creators(int opts) 1696 { 1697 int ret; 1698 uint32_t creators[16]; 1699 size_t count = nitems(creators); 1700 1701 ret = pfctl_get_creatorids(pfh, creators, &count); 1702 if (ret != 0) 1703 errx(ret, "Failed to retrieve creators"); 1704 1705 printf("Creator IDs:\n"); 1706 for (size_t i = 0; i < count; i++) 1707 printf("%08x\n", creators[i]); 1708 } 1709 1710 /* callbacks for rule/nat/rdr/addr */ 1711 int 1712 pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af) 1713 { 1714 struct pf_pooladdr *pa; 1715 1716 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1717 if (pfctl_begin_addrs(pf->h, &pf->paddr.ticket)) 1718 err(1, "DIOCBEGINADDRS"); 1719 } 1720 1721 pf->paddr.af = af; 1722 TAILQ_FOREACH(pa, &p->list, entries) { 1723 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr)); 1724 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1725 if (pfctl_add_addr(pf->h, &pf->paddr) != 0) 1726 err(1, "DIOCADDADDR"); 1727 } 1728 } 1729 return (0); 1730 } 1731 1732 int 1733 pfctl_append_rule(struct pfctl *pf, struct pfctl_rule *r, 1734 const char *anchor_call) 1735 { 1736 u_int8_t rs_num; 1737 struct pfctl_rule *rule; 1738 struct pfctl_ruleset *rs; 1739 char *p; 1740 1741 rs_num = pf_get_ruleset_number(r->action); 1742 if (rs_num == PF_RULESET_MAX) 1743 errx(1, "Invalid rule type %d", r->action); 1744 1745 rs = &pf->anchor->ruleset; 1746 1747 if (anchor_call[0] && r->anchor == NULL) { 1748 /* 1749 * Don't make non-brace anchors part of the main anchor pool. 1750 */ 1751 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1752 err(1, "pfctl_append_rule: calloc"); 1753 1754 pf_init_ruleset(&r->anchor->ruleset); 1755 r->anchor->ruleset.anchor = r->anchor; 1756 if (strlcpy(r->anchor->path, anchor_call, 1757 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1758 errx(1, "pfctl_append_rule: strlcpy"); 1759 if ((p = strrchr(anchor_call, '/')) != NULL) { 1760 if (!strlen(p)) 1761 err(1, "pfctl_append_rule: bad anchor name %s", 1762 anchor_call); 1763 } else 1764 p = (char *)anchor_call; 1765 if (strlcpy(r->anchor->name, p, 1766 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1767 errx(1, "pfctl_append_rule: strlcpy"); 1768 } 1769 1770 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1771 err(1, "calloc"); 1772 bcopy(r, rule, sizeof(*rule)); 1773 TAILQ_INIT(&rule->rpool.list); 1774 pfctl_move_pool(&r->rpool, &rule->rpool); 1775 1776 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries); 1777 return (0); 1778 } 1779 1780 int 1781 pfctl_append_eth_rule(struct pfctl *pf, struct pfctl_eth_rule *r, 1782 const char *anchor_call) 1783 { 1784 struct pfctl_eth_rule *rule; 1785 struct pfctl_eth_ruleset *rs; 1786 char *p; 1787 1788 rs = &pf->eanchor->ruleset; 1789 1790 if (anchor_call[0] && r->anchor == NULL) { 1791 /* 1792 * Don't make non-brace anchors part of the main anchor pool. 1793 */ 1794 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1795 err(1, "pfctl_append_rule: calloc"); 1796 1797 pf_init_eth_ruleset(&r->anchor->ruleset); 1798 r->anchor->ruleset.anchor = r->anchor; 1799 if (strlcpy(r->anchor->path, anchor_call, 1800 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1801 errx(1, "pfctl_append_rule: strlcpy"); 1802 if ((p = strrchr(anchor_call, '/')) != NULL) { 1803 if (!strlen(p)) 1804 err(1, "pfctl_append_eth_rule: bad anchor name %s", 1805 anchor_call); 1806 } else 1807 p = (char *)anchor_call; 1808 if (strlcpy(r->anchor->name, p, 1809 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1810 errx(1, "pfctl_append_eth_rule: strlcpy"); 1811 } 1812 1813 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1814 err(1, "calloc"); 1815 bcopy(r, rule, sizeof(*rule)); 1816 1817 TAILQ_INSERT_TAIL(&rs->rules, rule, entries); 1818 return (0); 1819 } 1820 1821 int 1822 pfctl_eth_ruleset_trans(struct pfctl *pf, char *path, 1823 struct pfctl_eth_anchor *a) 1824 { 1825 int osize = pf->trans->pfrb_size; 1826 1827 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0) { 1828 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1829 return (1); 1830 } 1831 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1832 return (5); 1833 1834 return (0); 1835 } 1836 1837 int 1838 pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pfctl_anchor *a, bool do_eth) 1839 { 1840 int osize = pf->trans->pfrb_size; 1841 1842 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0 && do_eth) { 1843 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1844 return (1); 1845 } 1846 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) { 1847 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) || 1848 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) || 1849 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path)) 1850 return (1); 1851 } 1852 if (a == pf->astack[0] && ((altqsupport && 1853 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) { 1854 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path)) 1855 return (2); 1856 } 1857 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) { 1858 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) || 1859 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path)) 1860 return (3); 1861 } 1862 if (pf->loadopt & PFCTL_FLAG_TABLE) 1863 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path)) 1864 return (4); 1865 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1866 return (5); 1867 1868 return (0); 1869 } 1870 1871 int 1872 pfctl_load_eth_ruleset(struct pfctl *pf, char *path, 1873 struct pfctl_eth_ruleset *rs, int depth) 1874 { 1875 struct pfctl_eth_rule *r; 1876 int error, len = strlen(path); 1877 int brace = 0; 1878 1879 pf->eanchor = rs->anchor; 1880 if (path[0]) 1881 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->eanchor->name); 1882 else 1883 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->eanchor->name); 1884 1885 if (depth) { 1886 if (TAILQ_FIRST(&rs->rules) != NULL) { 1887 brace++; 1888 if (pf->opts & PF_OPT_VERBOSE) 1889 printf(" {\n"); 1890 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1891 (error = pfctl_eth_ruleset_trans(pf, 1892 path, rs->anchor))) { 1893 printf("pfctl_load_eth_rulesets: " 1894 "pfctl_eth_ruleset_trans %d\n", error); 1895 goto error; 1896 } 1897 } else if (pf->opts & PF_OPT_VERBOSE) 1898 printf("\n"); 1899 } 1900 1901 while ((r = TAILQ_FIRST(&rs->rules)) != NULL) { 1902 TAILQ_REMOVE(&rs->rules, r, entries); 1903 1904 error = pfctl_load_eth_rule(pf, path, r, depth); 1905 if (error) 1906 return (error); 1907 1908 if (r->anchor) { 1909 if ((error = pfctl_load_eth_ruleset(pf, path, 1910 &r->anchor->ruleset, depth + 1))) 1911 return (error); 1912 } else if (pf->opts & PF_OPT_VERBOSE) 1913 printf("\n"); 1914 free(r); 1915 } 1916 if (brace && pf->opts & PF_OPT_VERBOSE) { 1917 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 1918 printf("}\n"); 1919 } 1920 path[len] = '\0'; 1921 1922 return (0); 1923 error: 1924 path[len] = '\0'; 1925 return (error); 1926 } 1927 1928 int 1929 pfctl_load_eth_rule(struct pfctl *pf, char *path, struct pfctl_eth_rule *r, 1930 int depth) 1931 { 1932 char *name; 1933 char anchor[PF_ANCHOR_NAME_SIZE]; 1934 int len = strlen(path); 1935 1936 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 1937 errx(1, "pfctl_load_eth_rule: strlcpy"); 1938 1939 if (r->anchor) { 1940 if (r->anchor->match) { 1941 if (path[0]) 1942 snprintf(&path[len], MAXPATHLEN - len, 1943 "/%s", r->anchor->name); 1944 else 1945 snprintf(&path[len], MAXPATHLEN - len, 1946 "%s", r->anchor->name); 1947 name = r->anchor->name; 1948 } else 1949 name = r->anchor->path; 1950 } else 1951 name = ""; 1952 1953 if ((pf->opts & PF_OPT_NOACTION) == 0) 1954 if (pfctl_add_eth_rule(pf->dev, r, anchor, name, 1955 pf->eth_ticket)) 1956 err(1, "DIOCADDETHRULENV"); 1957 1958 if (pf->opts & PF_OPT_VERBOSE) { 1959 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 1960 print_eth_rule(r, r->anchor ? r->anchor->name : "", 1961 pf->opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1962 } 1963 1964 path[len] = '\0'; 1965 1966 return (0); 1967 } 1968 1969 int 1970 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs, 1971 int rs_num, int depth) 1972 { 1973 struct pfctl_rule *r; 1974 int error, len = strlen(path); 1975 int brace = 0; 1976 1977 pf->anchor = rs->anchor; 1978 1979 if (path[0]) 1980 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name); 1981 else 1982 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name); 1983 1984 if (depth) { 1985 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) { 1986 brace++; 1987 if (pf->opts & PF_OPT_VERBOSE) 1988 printf(" {\n"); 1989 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1990 (error = pfctl_ruleset_trans(pf, 1991 path, rs->anchor, false))) { 1992 printf("pfctl_load_rulesets: " 1993 "pfctl_ruleset_trans %d\n", error); 1994 goto error; 1995 } 1996 } else if (pf->opts & PF_OPT_VERBOSE) 1997 printf("\n"); 1998 1999 } 2000 2001 if (pf->optimize && rs_num == PF_RULESET_FILTER) 2002 pfctl_optimize_ruleset(pf, rs); 2003 2004 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) { 2005 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries); 2006 2007 for (int i = 0; i < PF_RULE_MAX_LABEL_COUNT; i++) 2008 expand_label(r->label[i], PF_RULE_LABEL_SIZE, r); 2009 expand_label(r->tagname, PF_TAG_NAME_SIZE, r); 2010 expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r); 2011 2012 if ((error = pfctl_load_rule(pf, path, r, depth))) 2013 goto error; 2014 if (r->anchor) { 2015 if ((error = pfctl_load_ruleset(pf, path, 2016 &r->anchor->ruleset, rs_num, depth + 1))) 2017 goto error; 2018 } else if (pf->opts & PF_OPT_VERBOSE) 2019 printf("\n"); 2020 free(r); 2021 } 2022 if (brace && pf->opts & PF_OPT_VERBOSE) { 2023 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 2024 printf("}\n"); 2025 } 2026 path[len] = '\0'; 2027 return (0); 2028 2029 error: 2030 path[len] = '\0'; 2031 return (error); 2032 2033 } 2034 2035 int 2036 pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth) 2037 { 2038 u_int8_t rs_num = pf_get_ruleset_number(r->action); 2039 char *name; 2040 u_int32_t ticket; 2041 char anchor[PF_ANCHOR_NAME_SIZE]; 2042 int len = strlen(path); 2043 int error; 2044 bool was_present; 2045 2046 /* set up anchor before adding to path for anchor_call */ 2047 if ((pf->opts & PF_OPT_NOACTION) == 0) 2048 ticket = pfctl_get_ticket(pf->trans, rs_num, path); 2049 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 2050 errx(1, "pfctl_load_rule: strlcpy"); 2051 2052 if (r->anchor) { 2053 if (r->anchor->match) { 2054 if (path[0]) 2055 snprintf(&path[len], MAXPATHLEN - len, 2056 "/%s", r->anchor->name); 2057 else 2058 snprintf(&path[len], MAXPATHLEN - len, 2059 "%s", r->anchor->name); 2060 name = r->anchor->name; 2061 } else 2062 name = r->anchor->path; 2063 } else 2064 name = ""; 2065 2066 was_present = false; 2067 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2068 if (pfctl_add_pool(pf, &r->rpool, r->af)) 2069 return (1); 2070 error = pfctl_add_rule_h(pf->h, r, anchor, name, ticket, 2071 pf->paddr.ticket); 2072 switch (error) { 2073 case 0: 2074 /* things worked, do nothing */ 2075 break; 2076 case EEXIST: 2077 /* an identical rule is already present */ 2078 was_present = true; 2079 break; 2080 default: 2081 err(1, "DIOCADDRULENV"); 2082 } 2083 } 2084 2085 if (pf->opts & PF_OPT_VERBOSE) { 2086 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 2087 print_rule(r, name, 2088 pf->opts & PF_OPT_VERBOSE2, 2089 pf->opts & PF_OPT_NUMERIC); 2090 if (was_present) 2091 printf(" -- rule was already present"); 2092 } 2093 path[len] = '\0'; 2094 pfctl_clear_pool(&r->rpool); 2095 return (0); 2096 } 2097 2098 int 2099 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a) 2100 { 2101 if (altqsupport && 2102 (loadopt & PFCTL_FLAG_ALTQ) != 0) { 2103 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq)); 2104 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2105 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) { 2106 if (errno == ENXIO) 2107 errx(1, "qtype not configured"); 2108 else if (errno == ENODEV) 2109 errx(1, "%s: driver does not support " 2110 "altq", a->ifname); 2111 else 2112 err(1, "DIOCADDALTQ"); 2113 } 2114 } 2115 pfaltq_store(&pf->paltq->altq); 2116 } 2117 return (0); 2118 } 2119 2120 int 2121 pfctl_rules(int dev, char *filename, int opts, int optimize, 2122 char *anchorname, struct pfr_buffer *trans) 2123 { 2124 #define ERR(x) do { warn(x); goto _error; } while(0) 2125 #define ERRX(x) do { warnx(x); goto _error; } while(0) 2126 2127 struct pfr_buffer *t, buf; 2128 struct pfioc_altq pa; 2129 struct pfctl pf; 2130 struct pfctl_ruleset *rs; 2131 struct pfctl_eth_ruleset *ethrs; 2132 struct pfr_table trs; 2133 char *path; 2134 int osize; 2135 2136 RB_INIT(&pf_anchors); 2137 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor)); 2138 pf_init_ruleset(&pf_main_anchor.ruleset); 2139 pf_main_anchor.ruleset.anchor = &pf_main_anchor; 2140 2141 memset(&pf_eth_main_anchor, 0, sizeof(pf_eth_main_anchor)); 2142 pf_init_eth_ruleset(&pf_eth_main_anchor.ruleset); 2143 pf_eth_main_anchor.ruleset.anchor = &pf_eth_main_anchor; 2144 2145 if (trans == NULL) { 2146 bzero(&buf, sizeof(buf)); 2147 buf.pfrb_type = PFRB_TRANS; 2148 t = &buf; 2149 osize = 0; 2150 } else { 2151 t = trans; 2152 osize = t->pfrb_size; 2153 } 2154 2155 memset(&pa, 0, sizeof(pa)); 2156 pa.version = PFIOC_ALTQ_VERSION; 2157 memset(&pf, 0, sizeof(pf)); 2158 memset(&trs, 0, sizeof(trs)); 2159 if ((path = calloc(1, MAXPATHLEN)) == NULL) 2160 ERRX("pfctl_rules: calloc"); 2161 if (strlcpy(trs.pfrt_anchor, anchorname, 2162 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor)) 2163 ERRX("pfctl_rules: strlcpy"); 2164 pf.dev = dev; 2165 pf.h = pfh; 2166 pf.opts = opts; 2167 pf.optimize = optimize; 2168 pf.loadopt = loadopt; 2169 2170 /* non-brace anchor, create without resolving the path */ 2171 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL) 2172 ERRX("pfctl_rules: calloc"); 2173 rs = &pf.anchor->ruleset; 2174 pf_init_ruleset(rs); 2175 rs->anchor = pf.anchor; 2176 if (strlcpy(pf.anchor->path, anchorname, 2177 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path)) 2178 errx(1, "pfctl_rules: strlcpy"); 2179 if (strlcpy(pf.anchor->name, anchorname, 2180 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name)) 2181 errx(1, "pfctl_rules: strlcpy"); 2182 2183 2184 pf.astack[0] = pf.anchor; 2185 pf.asd = 0; 2186 if (anchorname[0]) 2187 pf.loadopt &= ~PFCTL_FLAG_ALTQ; 2188 pf.paltq = &pa; 2189 pf.trans = t; 2190 pfctl_init_options(&pf); 2191 2192 /* Set up ethernet anchor */ 2193 if ((pf.eanchor = calloc(1, sizeof(*pf.eanchor))) == NULL) 2194 ERRX("pfctl_rules: calloc"); 2195 2196 if (strlcpy(pf.eanchor->path, anchorname, 2197 sizeof(pf.eanchor->path)) >= sizeof(pf.eanchor->path)) 2198 errx(1, "pfctl_rules: strlcpy"); 2199 if (strlcpy(pf.eanchor->name, anchorname, 2200 sizeof(pf.eanchor->name)) >= sizeof(pf.eanchor->name)) 2201 errx(1, "pfctl_rules: strlcpy"); 2202 2203 ethrs = &pf.eanchor->ruleset; 2204 pf_init_eth_ruleset(ethrs); 2205 ethrs->anchor = pf.eanchor; 2206 pf.eastack[0] = pf.eanchor; 2207 2208 if ((opts & PF_OPT_NOACTION) == 0) { 2209 /* 2210 * XXX For the time being we need to open transactions for 2211 * the main ruleset before parsing, because tables are still 2212 * loaded at parse time. 2213 */ 2214 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor, true)) 2215 ERRX("pfctl_rules"); 2216 if (pf.loadopt & PFCTL_FLAG_ETH) 2217 pf.eth_ticket = pfctl_get_ticket(t, PF_RULESET_ETH, anchorname); 2218 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ)) 2219 pa.ticket = 2220 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname); 2221 if (pf.loadopt & PFCTL_FLAG_TABLE) 2222 pf.astack[0]->ruleset.tticket = 2223 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname); 2224 } 2225 2226 if (parse_config(filename, &pf) < 0) { 2227 if ((opts & PF_OPT_NOACTION) == 0) 2228 ERRX("Syntax error in config file: " 2229 "pf rules not loaded"); 2230 else 2231 goto _error; 2232 } 2233 if (loadopt & PFCTL_FLAG_OPTION) 2234 pfctl_adjust_skip_ifaces(&pf); 2235 2236 if ((pf.loadopt & PFCTL_FLAG_FILTER && 2237 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) || 2238 (pf.loadopt & PFCTL_FLAG_ETH && 2239 (pfctl_load_eth_ruleset(&pf, path, ethrs, 0))) || 2240 (pf.loadopt & PFCTL_FLAG_NAT && 2241 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) || 2242 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) || 2243 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) || 2244 (pf.loadopt & PFCTL_FLAG_FILTER && 2245 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) { 2246 if ((opts & PF_OPT_NOACTION) == 0) 2247 ERRX("Unable to load rules into kernel"); 2248 else 2249 goto _error; 2250 } 2251 2252 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0)) 2253 if (check_commit_altq(dev, opts) != 0) 2254 ERRX("errors in altq config"); 2255 2256 /* process "load anchor" directives */ 2257 if (!anchorname[0]) 2258 if (pfctl_load_anchors(dev, &pf, t) == -1) 2259 ERRX("load anchors"); 2260 2261 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) { 2262 if (!anchorname[0]) 2263 if (pfctl_load_options(&pf)) 2264 goto _error; 2265 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize)) 2266 ERR("DIOCXCOMMIT"); 2267 } 2268 free(path); 2269 return (0); 2270 2271 _error: 2272 if (trans == NULL) { /* main ruleset */ 2273 if ((opts & PF_OPT_NOACTION) == 0) 2274 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize)) 2275 err(1, "DIOCXROLLBACK"); 2276 exit(1); 2277 } else { /* sub ruleset */ 2278 free(path); 2279 return (-1); 2280 } 2281 2282 #undef ERR 2283 #undef ERRX 2284 } 2285 2286 FILE * 2287 pfctl_fopen(const char *name, const char *mode) 2288 { 2289 struct stat st; 2290 FILE *fp; 2291 2292 fp = fopen(name, mode); 2293 if (fp == NULL) 2294 return (NULL); 2295 if (fstat(fileno(fp), &st)) { 2296 fclose(fp); 2297 return (NULL); 2298 } 2299 if (S_ISDIR(st.st_mode)) { 2300 fclose(fp); 2301 errno = EISDIR; 2302 return (NULL); 2303 } 2304 return (fp); 2305 } 2306 2307 void 2308 pfctl_init_options(struct pfctl *pf) 2309 { 2310 2311 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2312 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; 2313 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2314 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2315 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; 2316 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2317 pf->timeout[PFTM_SCTP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2318 pf->timeout[PFTM_SCTP_OPENING] = PFTM_TCP_OPENING_VAL; 2319 pf->timeout[PFTM_SCTP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2320 pf->timeout[PFTM_SCTP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2321 pf->timeout[PFTM_SCTP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2322 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; 2323 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; 2324 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; 2325 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; 2326 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; 2327 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; 2328 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; 2329 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; 2330 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL; 2331 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; 2332 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; 2333 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; 2334 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; 2335 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; 2336 2337 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT; 2338 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT; 2339 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT; 2340 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT; 2341 2342 pf->debug = PF_DEBUG_URGENT; 2343 pf->reassemble = 0; 2344 2345 pf->syncookies = false; 2346 pf->syncookieswat[0] = PF_SYNCOOKIES_LOWATPCT; 2347 pf->syncookieswat[1] = PF_SYNCOOKIES_HIWATPCT; 2348 } 2349 2350 int 2351 pfctl_load_options(struct pfctl *pf) 2352 { 2353 int i, error = 0; 2354 2355 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2356 return (0); 2357 2358 /* load limits */ 2359 for (i = 0; i < PF_LIMIT_MAX; i++) { 2360 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i]) 2361 continue; 2362 if (pfctl_load_limit(pf, i, pf->limit[i])) 2363 error = 1; 2364 } 2365 2366 /* 2367 * If we've set the limit, but haven't explicitly set adaptive 2368 * timeouts, do it now with a start of 60% and end of 120%. 2369 */ 2370 if (pf->limit_set[PF_LIMIT_STATES] && 2371 !pf->timeout_set[PFTM_ADAPTIVE_START] && 2372 !pf->timeout_set[PFTM_ADAPTIVE_END]) { 2373 pf->timeout[PFTM_ADAPTIVE_START] = 2374 (pf->limit[PF_LIMIT_STATES] / 10) * 6; 2375 pf->timeout_set[PFTM_ADAPTIVE_START] = 1; 2376 pf->timeout[PFTM_ADAPTIVE_END] = 2377 (pf->limit[PF_LIMIT_STATES] / 10) * 12; 2378 pf->timeout_set[PFTM_ADAPTIVE_END] = 1; 2379 } 2380 2381 /* load timeouts */ 2382 for (i = 0; i < PFTM_MAX; i++) { 2383 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i]) 2384 continue; 2385 if (pfctl_load_timeout(pf, i, pf->timeout[i])) 2386 error = 1; 2387 } 2388 2389 /* load debug */ 2390 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set) 2391 if (pfctl_load_debug(pf, pf->debug)) 2392 error = 1; 2393 2394 /* load logif */ 2395 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set) 2396 if (pfctl_load_logif(pf, pf->ifname)) 2397 error = 1; 2398 2399 /* load hostid */ 2400 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set) 2401 if (pfctl_load_hostid(pf, pf->hostid)) 2402 error = 1; 2403 2404 /* load reassembly settings */ 2405 if (!(pf->opts & PF_OPT_MERGE) || pf->reass_set) 2406 if (pfctl_load_reassembly(pf, pf->reassemble)) 2407 error = 1; 2408 2409 /* load keepcounters */ 2410 if (pfctl_set_keepcounters(pf->dev, pf->keep_counters)) 2411 error = 1; 2412 2413 /* load syncookies settings */ 2414 if (pfctl_load_syncookies(pf, pf->syncookies)) 2415 error = 1; 2416 2417 return (error); 2418 } 2419 2420 int 2421 pfctl_apply_limit(struct pfctl *pf, const char *opt, unsigned int limit) 2422 { 2423 int i; 2424 2425 2426 for (i = 0; pf_limits[i].name; i++) { 2427 if (strcasecmp(opt, pf_limits[i].name) == 0) { 2428 pf->limit[pf_limits[i].index] = limit; 2429 pf->limit_set[pf_limits[i].index] = 1; 2430 break; 2431 } 2432 } 2433 if (pf_limits[i].name == NULL) { 2434 warnx("Bad pool name."); 2435 return (1); 2436 } 2437 2438 if (pf->opts & PF_OPT_VERBOSE) 2439 printf("set limit %s %d\n", opt, limit); 2440 2441 return (0); 2442 } 2443 2444 int 2445 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit) 2446 { 2447 if (pfctl_set_limit(pf->h, index, limit)) { 2448 if (errno == EBUSY) 2449 warnx("Current pool size exceeds requested hard limit"); 2450 else 2451 warnx("DIOCSETLIMIT"); 2452 return (1); 2453 } 2454 return (0); 2455 } 2456 2457 int 2458 pfctl_apply_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet) 2459 { 2460 int i; 2461 2462 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2463 return (0); 2464 2465 for (i = 0; pf_timeouts[i].name; i++) { 2466 if (strcasecmp(opt, pf_timeouts[i].name) == 0) { 2467 pf->timeout[pf_timeouts[i].timeout] = seconds; 2468 pf->timeout_set[pf_timeouts[i].timeout] = 1; 2469 break; 2470 } 2471 } 2472 2473 if (pf_timeouts[i].name == NULL) { 2474 warnx("Bad timeout name."); 2475 return (1); 2476 } 2477 2478 2479 if (pf->opts & PF_OPT_VERBOSE && ! quiet) 2480 printf("set timeout %s %d\n", opt, seconds); 2481 2482 return (0); 2483 } 2484 2485 int 2486 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds) 2487 { 2488 if (pfctl_set_timeout(pf->h, timeout, seconds)) { 2489 warnx("DIOCSETTIMEOUT"); 2490 return (1); 2491 } 2492 return (0); 2493 } 2494 2495 int 2496 pfctl_set_reassembly(struct pfctl *pf, int on, int nodf) 2497 { 2498 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2499 return (0); 2500 2501 pf->reass_set = 1; 2502 if (on) { 2503 pf->reassemble = PF_REASS_ENABLED; 2504 if (nodf) 2505 pf->reassemble |= PF_REASS_NODF; 2506 } else { 2507 pf->reassemble = 0; 2508 } 2509 2510 if (pf->opts & PF_OPT_VERBOSE) 2511 printf("set reassemble %s %s\n", on ? "yes" : "no", 2512 nodf ? "no-df" : ""); 2513 2514 return (0); 2515 } 2516 2517 int 2518 pfctl_set_optimization(struct pfctl *pf, const char *opt) 2519 { 2520 const struct pf_hint *hint; 2521 int i, r; 2522 2523 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2524 return (0); 2525 2526 for (i = 0; pf_hints[i].name; i++) 2527 if (strcasecmp(opt, pf_hints[i].name) == 0) 2528 break; 2529 2530 hint = pf_hints[i].hint; 2531 if (hint == NULL) { 2532 warnx("invalid state timeouts optimization"); 2533 return (1); 2534 } 2535 2536 for (i = 0; hint[i].name; i++) 2537 if ((r = pfctl_apply_timeout(pf, hint[i].name, 2538 hint[i].timeout, 1))) 2539 return (r); 2540 2541 if (pf->opts & PF_OPT_VERBOSE) 2542 printf("set optimization %s\n", opt); 2543 2544 return (0); 2545 } 2546 2547 int 2548 pfctl_set_logif(struct pfctl *pf, char *ifname) 2549 { 2550 2551 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2552 return (0); 2553 2554 if (!strcmp(ifname, "none")) { 2555 free(pf->ifname); 2556 pf->ifname = NULL; 2557 } else { 2558 pf->ifname = strdup(ifname); 2559 if (!pf->ifname) 2560 errx(1, "pfctl_set_logif: strdup"); 2561 } 2562 pf->ifname_set = 1; 2563 2564 if (pf->opts & PF_OPT_VERBOSE) 2565 printf("set loginterface %s\n", ifname); 2566 2567 return (0); 2568 } 2569 2570 int 2571 pfctl_load_logif(struct pfctl *pf, char *ifname) 2572 { 2573 if (ifname != NULL && strlen(ifname) >= IFNAMSIZ) { 2574 warnx("pfctl_load_logif: strlcpy"); 2575 return (1); 2576 } 2577 return (pfctl_set_statusif(pfh, ifname ? ifname : "")); 2578 } 2579 2580 int 2581 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid) 2582 { 2583 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2584 return (0); 2585 2586 HTONL(hostid); 2587 2588 pf->hostid = hostid; 2589 pf->hostid_set = 1; 2590 2591 if (pf->opts & PF_OPT_VERBOSE) 2592 printf("set hostid 0x%08x\n", ntohl(hostid)); 2593 2594 return (0); 2595 } 2596 2597 int 2598 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid) 2599 { 2600 if (ioctl(dev, DIOCSETHOSTID, &hostid)) { 2601 warnx("DIOCSETHOSTID"); 2602 return (1); 2603 } 2604 return (0); 2605 } 2606 2607 int 2608 pfctl_load_reassembly(struct pfctl *pf, u_int32_t reassembly) 2609 { 2610 if (ioctl(dev, DIOCSETREASS, &reassembly)) { 2611 warnx("DIOCSETREASS"); 2612 return (1); 2613 } 2614 return (0); 2615 } 2616 2617 int 2618 pfctl_load_syncookies(struct pfctl *pf, u_int8_t val) 2619 { 2620 struct pfctl_syncookies cookies; 2621 2622 bzero(&cookies, sizeof(cookies)); 2623 2624 cookies.mode = val; 2625 cookies.lowwater = pf->syncookieswat[0]; 2626 cookies.highwater = pf->syncookieswat[1]; 2627 2628 if (pfctl_set_syncookies(dev, &cookies)) { 2629 warnx("DIOCSETSYNCOOKIES"); 2630 return (1); 2631 } 2632 return (0); 2633 } 2634 2635 int 2636 pfctl_cfg_syncookies(struct pfctl *pf, uint8_t val, struct pfctl_watermarks *w) 2637 { 2638 if (val != PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2639 warnx("syncookies start/end only apply to adaptive"); 2640 return (1); 2641 } 2642 if (val == PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2643 if (!w->hi) 2644 w->hi = PF_SYNCOOKIES_HIWATPCT; 2645 if (!w->lo) 2646 w->lo = w->hi / 2; 2647 if (w->lo >= w->hi) { 2648 warnx("start must be higher than end"); 2649 return (1); 2650 } 2651 pf->syncookieswat[0] = w->lo; 2652 pf->syncookieswat[1] = w->hi; 2653 pf->syncookieswat_set = 1; 2654 } 2655 2656 if (pf->opts & PF_OPT_VERBOSE) { 2657 if (val == PF_SYNCOOKIES_NEVER) 2658 printf("set syncookies never\n"); 2659 else if (val == PF_SYNCOOKIES_ALWAYS) 2660 printf("set syncookies always\n"); 2661 else if (val == PF_SYNCOOKIES_ADAPTIVE) { 2662 if (pf->syncookieswat_set) 2663 printf("set syncookies adaptive (start %u%%, " 2664 "end %u%%)\n", pf->syncookieswat[1], 2665 pf->syncookieswat[0]); 2666 else 2667 printf("set syncookies adaptive\n"); 2668 } else { /* cannot happen */ 2669 warnx("king bula ate all syncookies"); 2670 return (1); 2671 } 2672 } 2673 2674 pf->syncookies = val; 2675 return (0); 2676 } 2677 2678 int 2679 pfctl_do_set_debug(struct pfctl *pf, char *d) 2680 { 2681 u_int32_t level; 2682 2683 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2684 return (0); 2685 2686 if (!strcmp(d, "none")) 2687 pf->debug = PF_DEBUG_NONE; 2688 else if (!strcmp(d, "urgent")) 2689 pf->debug = PF_DEBUG_URGENT; 2690 else if (!strcmp(d, "misc")) 2691 pf->debug = PF_DEBUG_MISC; 2692 else if (!strcmp(d, "loud")) 2693 pf->debug = PF_DEBUG_NOISY; 2694 else { 2695 warnx("unknown debug level \"%s\"", d); 2696 return (-1); 2697 } 2698 2699 pf->debug_set = 1; 2700 level = pf->debug; 2701 2702 if ((pf->opts & PF_OPT_NOACTION) == 0) 2703 if (pfctl_set_debug(pfh, level)) 2704 err(1, "DIOCSETDEBUG"); 2705 2706 if (pf->opts & PF_OPT_VERBOSE) 2707 printf("set debug %s\n", d); 2708 2709 return (0); 2710 } 2711 2712 int 2713 pfctl_load_debug(struct pfctl *pf, unsigned int level) 2714 { 2715 if (pfctl_set_debug(pf->h, level)) { 2716 warnx("DIOCSETDEBUG"); 2717 return (1); 2718 } 2719 return (0); 2720 } 2721 2722 int 2723 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how) 2724 { 2725 struct pfioc_iface pi; 2726 struct node_host *h = NULL, *n = NULL; 2727 2728 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2729 return (0); 2730 2731 bzero(&pi, sizeof(pi)); 2732 2733 pi.pfiio_flags = flags; 2734 2735 /* Make sure our cache matches the kernel. If we set or clear the flag 2736 * for a group this applies to all members. */ 2737 h = ifa_grouplookup(ifname, 0); 2738 for (n = h; n != NULL; n = n->next) 2739 pfctl_set_interface_flags(pf, n->ifname, flags, how); 2740 2741 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >= 2742 sizeof(pi.pfiio_name)) 2743 errx(1, "pfctl_set_interface_flags: strlcpy"); 2744 2745 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2746 if (how == 0) { 2747 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi)) 2748 err(1, "DIOCCLRIFFLAG"); 2749 } else { 2750 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi)) 2751 err(1, "DIOCSETIFFLAG"); 2752 pfctl_check_skip_ifaces(ifname); 2753 } 2754 } 2755 return (0); 2756 } 2757 2758 void 2759 pfctl_debug(int dev, u_int32_t level, int opts) 2760 { 2761 if (pfctl_set_debug(pfh, level)) 2762 err(1, "DIOCSETDEBUG"); 2763 if ((opts & PF_OPT_QUIET) == 0) { 2764 fprintf(stderr, "debug level set to '"); 2765 switch (level) { 2766 case PF_DEBUG_NONE: 2767 fprintf(stderr, "none"); 2768 break; 2769 case PF_DEBUG_URGENT: 2770 fprintf(stderr, "urgent"); 2771 break; 2772 case PF_DEBUG_MISC: 2773 fprintf(stderr, "misc"); 2774 break; 2775 case PF_DEBUG_NOISY: 2776 fprintf(stderr, "loud"); 2777 break; 2778 default: 2779 fprintf(stderr, "<invalid>"); 2780 break; 2781 } 2782 fprintf(stderr, "'\n"); 2783 } 2784 } 2785 2786 int 2787 pfctl_test_altqsupport(int dev, int opts) 2788 { 2789 struct pfioc_altq pa; 2790 2791 pa.version = PFIOC_ALTQ_VERSION; 2792 if (ioctl(dev, DIOCGETALTQS, &pa)) { 2793 if (errno == ENODEV) { 2794 if (opts & PF_OPT_VERBOSE) 2795 fprintf(stderr, "No ALTQ support in kernel\n" 2796 "ALTQ related functions disabled\n"); 2797 return (0); 2798 } else 2799 err(1, "DIOCGETALTQS"); 2800 } 2801 return (1); 2802 } 2803 2804 int 2805 pfctl_show_anchors(int dev, int opts, char *anchorname) 2806 { 2807 struct pfioc_ruleset pr; 2808 u_int32_t mnr, nr; 2809 2810 memset(&pr, 0, sizeof(pr)); 2811 memcpy(pr.path, anchorname, sizeof(pr.path)); 2812 if (ioctl(dev, DIOCGETRULESETS, &pr)) { 2813 if (errno == EINVAL) 2814 fprintf(stderr, "Anchor '%s' not found.\n", 2815 anchorname); 2816 else 2817 err(1, "DIOCGETRULESETS"); 2818 return (-1); 2819 } 2820 mnr = pr.nr; 2821 for (nr = 0; nr < mnr; ++nr) { 2822 char sub[MAXPATHLEN]; 2823 2824 pr.nr = nr; 2825 if (ioctl(dev, DIOCGETRULESET, &pr)) 2826 err(1, "DIOCGETRULESET"); 2827 if (!strcmp(pr.name, PF_RESERVED_ANCHOR)) 2828 continue; 2829 sub[0] = 0; 2830 if (pr.path[0]) { 2831 strlcat(sub, pr.path, sizeof(sub)); 2832 strlcat(sub, "/", sizeof(sub)); 2833 } 2834 strlcat(sub, pr.name, sizeof(sub)); 2835 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2836 printf(" %s\n", sub); 2837 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub)) 2838 return (-1); 2839 } 2840 return (0); 2841 } 2842 2843 int 2844 pfctl_show_eth_anchors(int dev, int opts, char *anchorname) 2845 { 2846 struct pfctl_eth_rulesets_info ri; 2847 struct pfctl_eth_ruleset_info rs; 2848 int ret; 2849 2850 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, anchorname)) != 0) { 2851 if (ret == ENOENT) 2852 fprintf(stderr, "Anchor '%s' not found.\n", 2853 anchorname); 2854 else 2855 err(1, "DIOCGETETHRULESETS"); 2856 return (-1); 2857 } 2858 2859 for (int nr = 0; nr < ri.nr; nr++) { 2860 char sub[MAXPATHLEN]; 2861 2862 if (pfctl_get_eth_ruleset(dev, anchorname, nr, &rs) != 0) 2863 err(1, "DIOCGETETHRULESET"); 2864 2865 if (!strcmp(rs.name, PF_RESERVED_ANCHOR)) 2866 continue; 2867 sub[0] = 0; 2868 if (rs.path[0]) { 2869 strlcat(sub, rs.path, sizeof(sub)); 2870 strlcat(sub, "/", sizeof(sub)); 2871 } 2872 strlcat(sub, rs.name, sizeof(sub)); 2873 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2874 printf(" %s\n", sub); 2875 if ((opts & PF_OPT_VERBOSE) && pfctl_show_eth_anchors(dev, opts, sub)) 2876 return (-1); 2877 } 2878 return (0); 2879 } 2880 2881 const char * 2882 pfctl_lookup_option(char *cmd, const char * const *list) 2883 { 2884 if (cmd != NULL && *cmd) 2885 for (; *list; list++) 2886 if (!strncmp(cmd, *list, strlen(cmd))) 2887 return (*list); 2888 return (NULL); 2889 } 2890 2891 int 2892 main(int argc, char *argv[]) 2893 { 2894 int error = 0; 2895 int ch; 2896 int mode = O_RDONLY; 2897 int opts = 0; 2898 int optimize = PF_OPTIMIZE_BASIC; 2899 char anchorname[MAXPATHLEN]; 2900 char *path; 2901 2902 if (argc < 2) 2903 usage(); 2904 2905 while ((ch = getopt(argc, argv, 2906 "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) { 2907 switch (ch) { 2908 case 'a': 2909 anchoropt = optarg; 2910 break; 2911 case 'd': 2912 opts |= PF_OPT_DISABLE; 2913 mode = O_RDWR; 2914 break; 2915 case 'D': 2916 if (pfctl_cmdline_symset(optarg) < 0) 2917 warnx("could not parse macro definition %s", 2918 optarg); 2919 break; 2920 case 'e': 2921 opts |= PF_OPT_ENABLE; 2922 mode = O_RDWR; 2923 break; 2924 case 'q': 2925 opts |= PF_OPT_QUIET; 2926 break; 2927 case 'F': 2928 clearopt = pfctl_lookup_option(optarg, clearopt_list); 2929 if (clearopt == NULL) { 2930 warnx("Unknown flush modifier '%s'", optarg); 2931 usage(); 2932 } 2933 mode = O_RDWR; 2934 break; 2935 case 'i': 2936 ifaceopt = optarg; 2937 break; 2938 case 'k': 2939 if (state_killers >= 2) { 2940 warnx("can only specify -k twice"); 2941 usage(); 2942 /* NOTREACHED */ 2943 } 2944 state_kill[state_killers++] = optarg; 2945 mode = O_RDWR; 2946 break; 2947 case 'K': 2948 if (src_node_killers >= 2) { 2949 warnx("can only specify -K twice"); 2950 usage(); 2951 /* NOTREACHED */ 2952 } 2953 src_node_kill[src_node_killers++] = optarg; 2954 mode = O_RDWR; 2955 break; 2956 case 'm': 2957 opts |= PF_OPT_MERGE; 2958 break; 2959 case 'M': 2960 opts |= PF_OPT_KILLMATCH; 2961 break; 2962 case 'n': 2963 opts |= PF_OPT_NOACTION; 2964 break; 2965 case 'N': 2966 loadopt |= PFCTL_FLAG_NAT; 2967 break; 2968 case 'r': 2969 opts |= PF_OPT_USEDNS; 2970 break; 2971 case 'f': 2972 rulesopt = optarg; 2973 mode = O_RDWR; 2974 break; 2975 case 'g': 2976 opts |= PF_OPT_DEBUG; 2977 break; 2978 case 'A': 2979 loadopt |= PFCTL_FLAG_ALTQ; 2980 break; 2981 case 'R': 2982 loadopt |= PFCTL_FLAG_FILTER; 2983 break; 2984 case 'o': 2985 optiopt = pfctl_lookup_option(optarg, optiopt_list); 2986 if (optiopt == NULL) { 2987 warnx("Unknown optimization '%s'", optarg); 2988 usage(); 2989 } 2990 opts |= PF_OPT_OPTIMIZE; 2991 break; 2992 case 'O': 2993 loadopt |= PFCTL_FLAG_OPTION; 2994 break; 2995 case 'p': 2996 pf_device = optarg; 2997 break; 2998 case 'P': 2999 opts |= PF_OPT_NUMERIC; 3000 break; 3001 case 's': 3002 showopt = pfctl_lookup_option(optarg, showopt_list); 3003 if (showopt == NULL) { 3004 warnx("Unknown show modifier '%s'", optarg); 3005 usage(); 3006 } 3007 break; 3008 case 't': 3009 tableopt = optarg; 3010 break; 3011 case 'T': 3012 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list); 3013 if (tblcmdopt == NULL) { 3014 warnx("Unknown table command '%s'", optarg); 3015 usage(); 3016 } 3017 break; 3018 case 'v': 3019 if (opts & PF_OPT_VERBOSE) 3020 opts |= PF_OPT_VERBOSE2; 3021 opts |= PF_OPT_VERBOSE; 3022 break; 3023 case 'x': 3024 debugopt = pfctl_lookup_option(optarg, debugopt_list); 3025 if (debugopt == NULL) { 3026 warnx("Unknown debug level '%s'", optarg); 3027 usage(); 3028 } 3029 mode = O_RDWR; 3030 break; 3031 case 'z': 3032 opts |= PF_OPT_CLRRULECTRS; 3033 mode = O_RDWR; 3034 break; 3035 case 'h': 3036 /* FALLTHROUGH */ 3037 default: 3038 usage(); 3039 /* NOTREACHED */ 3040 } 3041 } 3042 3043 if (tblcmdopt != NULL) { 3044 argc -= optind; 3045 argv += optind; 3046 ch = *tblcmdopt; 3047 if (ch == 'l') { 3048 loadopt |= PFCTL_FLAG_TABLE; 3049 tblcmdopt = NULL; 3050 } else 3051 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY; 3052 } else if (argc != optind) { 3053 warnx("unknown command line argument: %s ...", argv[optind]); 3054 usage(); 3055 /* NOTREACHED */ 3056 } 3057 if (loadopt == 0) 3058 loadopt = ~0; 3059 3060 if ((path = calloc(1, MAXPATHLEN)) == NULL) 3061 errx(1, "pfctl: calloc"); 3062 memset(anchorname, 0, sizeof(anchorname)); 3063 if (anchoropt != NULL) { 3064 int len = strlen(anchoropt); 3065 3066 if (len >= 1 && anchoropt[len - 1] == '*') { 3067 if (len >= 2 && anchoropt[len - 2] == '/') 3068 anchoropt[len - 2] = '\0'; 3069 else 3070 anchoropt[len - 1] = '\0'; 3071 opts |= PF_OPT_RECURSE; 3072 } 3073 if (strlcpy(anchorname, anchoropt, 3074 sizeof(anchorname)) >= sizeof(anchorname)) 3075 errx(1, "anchor name '%s' too long", 3076 anchoropt); 3077 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE|PFCTL_FLAG_ETH; 3078 } 3079 3080 if ((opts & PF_OPT_NOACTION) == 0) { 3081 dev = open(pf_device, mode); 3082 if (dev == -1) 3083 err(1, "%s", pf_device); 3084 altqsupport = pfctl_test_altqsupport(dev, opts); 3085 } else { 3086 dev = open(pf_device, O_RDONLY); 3087 if (dev >= 0) 3088 opts |= PF_OPT_DUMMYACTION; 3089 /* turn off options */ 3090 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE); 3091 clearopt = showopt = debugopt = NULL; 3092 #if !defined(ENABLE_ALTQ) 3093 altqsupport = 0; 3094 #else 3095 altqsupport = 1; 3096 #endif 3097 } 3098 pfh = pfctl_open(pf_device); 3099 if (pfh == NULL) 3100 err(1, "Failed to open netlink"); 3101 3102 if (opts & PF_OPT_DISABLE) 3103 if (pfctl_disable(dev, opts)) 3104 error = 1; 3105 3106 if (showopt != NULL) { 3107 switch (*showopt) { 3108 case 'A': 3109 pfctl_show_anchors(dev, opts, anchorname); 3110 if (opts & PF_OPT_VERBOSE2) 3111 printf("Ethernet:\n"); 3112 pfctl_show_eth_anchors(dev, opts, anchorname); 3113 break; 3114 case 'r': 3115 pfctl_load_fingerprints(dev, opts); 3116 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES, 3117 anchorname, 0, 0); 3118 break; 3119 case 'l': 3120 pfctl_load_fingerprints(dev, opts); 3121 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS, 3122 anchorname, 0, 0); 3123 break; 3124 case 'n': 3125 pfctl_load_fingerprints(dev, opts); 3126 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3127 break; 3128 case 'q': 3129 pfctl_show_altq(dev, ifaceopt, opts, 3130 opts & PF_OPT_VERBOSE2); 3131 break; 3132 case 's': 3133 pfctl_show_states(dev, ifaceopt, opts); 3134 break; 3135 case 'S': 3136 pfctl_show_src_nodes(dev, opts); 3137 break; 3138 case 'i': 3139 pfctl_show_status(dev, opts); 3140 break; 3141 case 'R': 3142 error = pfctl_show_running(dev); 3143 break; 3144 case 't': 3145 pfctl_show_timeouts(dev, opts); 3146 break; 3147 case 'm': 3148 pfctl_show_limits(dev, opts); 3149 break; 3150 case 'e': 3151 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3152 0); 3153 break; 3154 case 'a': 3155 opts |= PF_OPT_SHOWALL; 3156 pfctl_load_fingerprints(dev, opts); 3157 3158 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3159 0); 3160 3161 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3162 pfctl_show_rules(dev, path, opts, 0, anchorname, 0, 0); 3163 pfctl_show_altq(dev, ifaceopt, opts, 0); 3164 pfctl_show_states(dev, ifaceopt, opts); 3165 pfctl_show_src_nodes(dev, opts); 3166 pfctl_show_status(dev, opts); 3167 pfctl_show_rules(dev, path, opts, 1, anchorname, 0, 0); 3168 pfctl_show_timeouts(dev, opts); 3169 pfctl_show_limits(dev, opts); 3170 pfctl_show_tables(anchorname, opts); 3171 pfctl_show_fingerprints(opts); 3172 break; 3173 case 'T': 3174 pfctl_show_tables(anchorname, opts); 3175 break; 3176 case 'o': 3177 pfctl_load_fingerprints(dev, opts); 3178 pfctl_show_fingerprints(opts); 3179 break; 3180 case 'I': 3181 pfctl_show_ifaces(ifaceopt, opts); 3182 break; 3183 case 'c': 3184 pfctl_show_creators(opts); 3185 break; 3186 } 3187 } 3188 3189 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL) { 3190 pfctl_show_eth_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3191 anchorname, 0, 0); 3192 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3193 anchorname, 0, 0); 3194 } 3195 3196 if (clearopt != NULL) { 3197 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3198 errx(1, "anchor names beginning with '_' cannot " 3199 "be modified from the command line"); 3200 3201 switch (*clearopt) { 3202 case 'e': 3203 pfctl_flush_eth_rules(dev, opts, anchorname); 3204 break; 3205 case 'r': 3206 pfctl_flush_rules(dev, opts, anchorname); 3207 break; 3208 case 'n': 3209 pfctl_flush_nat(dev, opts, anchorname); 3210 break; 3211 case 'q': 3212 pfctl_clear_altq(dev, opts); 3213 break; 3214 case 's': 3215 pfctl_clear_iface_states(dev, ifaceopt, opts); 3216 break; 3217 case 'S': 3218 pfctl_clear_src_nodes(dev, opts); 3219 break; 3220 case 'i': 3221 pfctl_clear_stats(pfh, opts); 3222 break; 3223 case 'a': 3224 pfctl_flush_eth_rules(dev, opts, anchorname); 3225 pfctl_flush_rules(dev, opts, anchorname); 3226 pfctl_flush_nat(dev, opts, anchorname); 3227 pfctl_clear_tables(anchorname, opts); 3228 if (!*anchorname) { 3229 pfctl_clear_altq(dev, opts); 3230 pfctl_clear_iface_states(dev, ifaceopt, opts); 3231 pfctl_clear_src_nodes(dev, opts); 3232 pfctl_clear_stats(pfh, opts); 3233 pfctl_clear_fingerprints(dev, opts); 3234 pfctl_clear_interface_flags(dev, opts); 3235 } 3236 break; 3237 case 'o': 3238 pfctl_clear_fingerprints(dev, opts); 3239 break; 3240 case 'T': 3241 pfctl_clear_tables(anchorname, opts); 3242 break; 3243 } 3244 } 3245 if (state_killers) { 3246 if (!strcmp(state_kill[0], "label")) 3247 pfctl_label_kill_states(dev, ifaceopt, opts); 3248 else if (!strcmp(state_kill[0], "id")) 3249 pfctl_id_kill_states(dev, ifaceopt, opts); 3250 else if (!strcmp(state_kill[0], "gateway")) 3251 pfctl_gateway_kill_states(dev, ifaceopt, opts); 3252 else 3253 pfctl_net_kill_states(dev, ifaceopt, opts); 3254 } 3255 3256 if (src_node_killers) 3257 pfctl_kill_src_nodes(dev, ifaceopt, opts); 3258 3259 if (tblcmdopt != NULL) { 3260 error = pfctl_command_tables(argc, argv, tableopt, 3261 tblcmdopt, rulesopt, anchorname, opts); 3262 rulesopt = NULL; 3263 } 3264 if (optiopt != NULL) { 3265 switch (*optiopt) { 3266 case 'n': 3267 optimize = 0; 3268 break; 3269 case 'b': 3270 optimize |= PF_OPTIMIZE_BASIC; 3271 break; 3272 case 'o': 3273 case 'p': 3274 optimize |= PF_OPTIMIZE_PROFILE; 3275 break; 3276 } 3277 } 3278 3279 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) && 3280 !anchorname[0] && !(opts & PF_OPT_NOACTION)) 3281 if (pfctl_get_skip_ifaces()) 3282 error = 1; 3283 3284 if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) && 3285 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION)) 3286 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE)) 3287 error = 1; 3288 3289 if (rulesopt != NULL) { 3290 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3291 errx(1, "anchor names beginning with '_' cannot " 3292 "be modified from the command line"); 3293 if (pfctl_rules(dev, rulesopt, opts, optimize, 3294 anchorname, NULL)) 3295 error = 1; 3296 else if (!(opts & PF_OPT_NOACTION) && 3297 (loadopt & PFCTL_FLAG_TABLE)) 3298 warn_namespace_collision(NULL); 3299 } 3300 3301 if (opts & PF_OPT_ENABLE) 3302 if (pfctl_enable(dev, opts)) 3303 error = 1; 3304 3305 if (debugopt != NULL) { 3306 switch (*debugopt) { 3307 case 'n': 3308 pfctl_debug(dev, PF_DEBUG_NONE, opts); 3309 break; 3310 case 'u': 3311 pfctl_debug(dev, PF_DEBUG_URGENT, opts); 3312 break; 3313 case 'm': 3314 pfctl_debug(dev, PF_DEBUG_MISC, opts); 3315 break; 3316 case 'l': 3317 pfctl_debug(dev, PF_DEBUG_NOISY, opts); 3318 break; 3319 } 3320 } 3321 3322 exit(error); 3323 } 3324