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 memcpy(pp.anchor, anchorname, sizeof(pp.anchor)); 968 pp.r_action = r_action; 969 pp.r_num = nr; 970 pp.ticket = ticket; 971 if (ioctl(dev, DIOCGETADDRS, &pp)) { 972 warn("DIOCGETADDRS"); 973 return (-1); 974 } 975 mpnr = pp.nr; 976 TAILQ_INIT(&pool->list); 977 for (pnr = 0; pnr < mpnr; ++pnr) { 978 pp.nr = pnr; 979 if (ioctl(dev, DIOCGETADDR, &pp)) { 980 warn("DIOCGETADDR"); 981 return (-1); 982 } 983 pa = calloc(1, sizeof(struct pf_pooladdr)); 984 if (pa == NULL) 985 err(1, "calloc"); 986 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr)); 987 TAILQ_INSERT_TAIL(&pool->list, pa, entries); 988 } 989 990 return (0); 991 } 992 993 void 994 pfctl_move_pool(struct pfctl_pool *src, struct pfctl_pool *dst) 995 { 996 struct pf_pooladdr *pa; 997 998 while ((pa = TAILQ_FIRST(&src->list)) != NULL) { 999 TAILQ_REMOVE(&src->list, pa, entries); 1000 TAILQ_INSERT_TAIL(&dst->list, pa, entries); 1001 } 1002 } 1003 1004 void 1005 pfctl_clear_pool(struct pfctl_pool *pool) 1006 { 1007 struct pf_pooladdr *pa; 1008 1009 while ((pa = TAILQ_FIRST(&pool->list)) != NULL) { 1010 TAILQ_REMOVE(&pool->list, pa, entries); 1011 free(pa); 1012 } 1013 } 1014 1015 void 1016 pfctl_print_eth_rule_counters(struct pfctl_eth_rule *rule, int opts) 1017 { 1018 if (opts & PF_OPT_VERBOSE) { 1019 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1020 "Bytes: %-10llu]\n", 1021 (unsigned long long)rule->evaluations, 1022 (unsigned long long)(rule->packets[0] + 1023 rule->packets[1]), 1024 (unsigned long long)(rule->bytes[0] + 1025 rule->bytes[1])); 1026 } 1027 if (opts & PF_OPT_VERBOSE2) { 1028 char timestr[30]; 1029 1030 if (rule->last_active_timestamp != 0) { 1031 bcopy(ctime(&rule->last_active_timestamp), timestr, 1032 sizeof(timestr)); 1033 *strchr(timestr, '\n') = '\0'; 1034 } else { 1035 snprintf(timestr, sizeof(timestr), "N/A"); 1036 } 1037 printf(" [ Last Active Time: %s ]\n", timestr); 1038 } 1039 } 1040 1041 void 1042 pfctl_print_rule_counters(struct pfctl_rule *rule, int opts) 1043 { 1044 if (opts & PF_OPT_DEBUG) { 1045 const char *t[PF_SKIP_COUNT] = { "i", "d", "f", 1046 "p", "sa", "sp", "da", "dp" }; 1047 int i; 1048 1049 printf(" [ Skip steps: "); 1050 for (i = 0; i < PF_SKIP_COUNT; ++i) { 1051 if (rule->skip[i].nr == rule->nr + 1) 1052 continue; 1053 printf("%s=", t[i]); 1054 if (rule->skip[i].nr == -1) 1055 printf("end "); 1056 else 1057 printf("%u ", rule->skip[i].nr); 1058 } 1059 printf("]\n"); 1060 1061 printf(" [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n", 1062 rule->qname, rule->qid, rule->pqname, rule->pqid); 1063 } 1064 if (opts & PF_OPT_VERBOSE) { 1065 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1066 "Bytes: %-10llu States: %-6ju]\n", 1067 (unsigned long long)rule->evaluations, 1068 (unsigned long long)(rule->packets[0] + 1069 rule->packets[1]), 1070 (unsigned long long)(rule->bytes[0] + 1071 rule->bytes[1]), (uintmax_t)rule->states_cur); 1072 if (!(opts & PF_OPT_DEBUG)) 1073 printf(" [ Inserted: uid %u pid %u " 1074 "State Creations: %-6ju]\n", 1075 (unsigned)rule->cuid, (unsigned)rule->cpid, 1076 (uintmax_t)rule->states_tot); 1077 } 1078 if (opts & PF_OPT_VERBOSE2) { 1079 char timestr[30]; 1080 if (rule->last_active_timestamp != 0) { 1081 bcopy(ctime(&rule->last_active_timestamp), timestr, 1082 sizeof(timestr)); 1083 *strchr(timestr, '\n') = '\0'; 1084 } else { 1085 snprintf(timestr, sizeof(timestr), "N/A"); 1086 } 1087 printf(" [ Last Active Time: %s ]\n", timestr); 1088 } 1089 } 1090 1091 void 1092 pfctl_print_title(char *title) 1093 { 1094 if (!first_title) 1095 printf("\n"); 1096 first_title = 0; 1097 printf("%s\n", title); 1098 } 1099 1100 int 1101 pfctl_show_eth_rules(int dev, char *path, int opts, enum pfctl_show format, 1102 char *anchorname, int depth, int wildcard) 1103 { 1104 char anchor_call[MAXPATHLEN]; 1105 struct pfctl_eth_rules_info info; 1106 struct pfctl_eth_rule rule; 1107 int brace; 1108 int dotitle = opts & PF_OPT_SHOWALL; 1109 int len = strlen(path); 1110 char *npath, *p; 1111 1112 /* 1113 * Truncate a trailing / and * on an anchorname before searching for 1114 * the ruleset, this is syntactic sugar that doesn't actually make it 1115 * to the kernel. 1116 */ 1117 if ((p = strrchr(anchorname, '/')) != NULL && 1118 p[1] == '*' && p[2] == '\0') { 1119 p[0] = '\0'; 1120 } 1121 1122 if (anchorname[0] == '/') { 1123 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1124 errx(1, "pfctl_rules: calloc"); 1125 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1126 } else { 1127 if (path[0]) 1128 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1129 else 1130 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1131 npath = path; 1132 } 1133 1134 /* 1135 * If this anchor was called with a wildcard path, go through 1136 * the rulesets in the anchor rather than the rules. 1137 */ 1138 if (wildcard && (opts & PF_OPT_RECURSE)) { 1139 struct pfctl_eth_rulesets_info ri; 1140 u_int32_t mnr, nr; 1141 1142 if (pfctl_get_eth_rulesets_info(dev, &ri, npath)) { 1143 if (errno == EINVAL) { 1144 fprintf(stderr, "Anchor '%s' " 1145 "not found.\n", anchorname); 1146 } else { 1147 warn("DIOCGETETHRULESETS"); 1148 return (-1); 1149 } 1150 } 1151 mnr = ri.nr; 1152 1153 pfctl_print_eth_rule_counters(&rule, opts); 1154 for (nr = 0; nr < mnr; ++nr) { 1155 struct pfctl_eth_ruleset_info rs; 1156 1157 if (pfctl_get_eth_ruleset(dev, npath, nr, &rs)) 1158 err(1, "DIOCGETETHRULESET"); 1159 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1160 printf("anchor \"%s\" all {\n", rs.name); 1161 pfctl_show_eth_rules(dev, npath, opts, 1162 format, rs.name, depth + 1, 0); 1163 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1164 printf("}\n"); 1165 } 1166 path[len] = '\0'; 1167 return (0); 1168 } 1169 1170 if (pfctl_get_eth_rules_info(dev, &info, path)) { 1171 warn("DIOCGETETHRULES"); 1172 return (-1); 1173 } 1174 for (int nr = 0; nr < info.nr; nr++) { 1175 brace = 0; 1176 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1177 if (pfctl_get_eth_rule(dev, nr, info.ticket, path, &rule, 1178 opts & PF_OPT_CLRRULECTRS, anchor_call) != 0) { 1179 warn("DIOCGETETHRULE"); 1180 return (-1); 1181 } 1182 if (anchor_call[0] && 1183 ((((p = strrchr(anchor_call, '_')) != NULL) && 1184 (p == anchor_call || 1185 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) { 1186 brace++; 1187 int aclen = strlen(anchor_call); 1188 if (anchor_call[aclen - 1] == '*') 1189 anchor_call[aclen - 2] = '\0'; 1190 } 1191 p = &anchor_call[0]; 1192 if (dotitle) { 1193 pfctl_print_title("ETH RULES:"); 1194 dotitle = 0; 1195 } 1196 print_eth_rule(&rule, anchor_call, 1197 opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1198 if (brace) 1199 printf(" {\n"); 1200 else 1201 printf("\n"); 1202 pfctl_print_eth_rule_counters(&rule, opts); 1203 if (brace) { 1204 pfctl_show_eth_rules(dev, path, opts, format, 1205 p, depth + 1, rule.anchor_wildcard); 1206 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1207 printf("}\n"); 1208 } 1209 } 1210 1211 path[len] = '\0'; 1212 return (0); 1213 } 1214 1215 int 1216 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format, 1217 char *anchorname, int depth, int wildcard) 1218 { 1219 struct pfctl_rules_info ri; 1220 struct pfctl_rule rule; 1221 char anchor_call[MAXPATHLEN]; 1222 u_int32_t nr, header = 0; 1223 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 1224 int numeric = opts & PF_OPT_NUMERIC; 1225 int len = strlen(path), ret = 0; 1226 char *npath, *p; 1227 1228 /* 1229 * Truncate a trailing / and * on an anchorname before searching for 1230 * the ruleset, this is syntactic sugar that doesn't actually make it 1231 * to the kernel. 1232 */ 1233 if ((p = strrchr(anchorname, '/')) != NULL && 1234 p[1] == '*' && p[2] == '\0') { 1235 p[0] = '\0'; 1236 } 1237 1238 if (anchorname[0] == '/') { 1239 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1240 errx(1, "pfctl_rules: calloc"); 1241 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1242 } else { 1243 if (path[0]) 1244 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1245 else 1246 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1247 npath = path; 1248 } 1249 1250 /* 1251 * If this anchor was called with a wildcard path, go through 1252 * the rulesets in the anchor rather than the rules. 1253 */ 1254 if (wildcard && (opts & PF_OPT_RECURSE)) { 1255 struct pfioc_ruleset prs; 1256 u_int32_t mnr, nr; 1257 1258 memset(&prs, 0, sizeof(prs)); 1259 memcpy(prs.path, npath, sizeof(prs.path)); 1260 if (ioctl(dev, DIOCGETRULESETS, &prs)) { 1261 if (errno == EINVAL) 1262 fprintf(stderr, "Anchor '%s' " 1263 "not found.\n", anchorname); 1264 else 1265 err(1, "DIOCGETRULESETS"); 1266 } 1267 mnr = prs.nr; 1268 1269 pfctl_print_rule_counters(&rule, opts); 1270 for (nr = 0; nr < mnr; ++nr) { 1271 prs.nr = nr; 1272 if (ioctl(dev, DIOCGETRULESET, &prs)) 1273 err(1, "DIOCGETRULESET"); 1274 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1275 printf("anchor \"%s\" all {\n", prs.name); 1276 pfctl_show_rules(dev, npath, opts, 1277 format, prs.name, depth + 1, 0); 1278 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1279 printf("}\n"); 1280 } 1281 path[len] = '\0'; 1282 return (0); 1283 } 1284 1285 if (opts & PF_OPT_SHOWALL) { 1286 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1287 if (ret != 0) { 1288 warn("DIOCGETRULES"); 1289 goto error; 1290 } 1291 header++; 1292 } 1293 ret = pfctl_get_rules_info_h(pfh, &ri, PF_SCRUB, path); 1294 if (ret != 0) { 1295 warn("DIOCGETRULES"); 1296 goto error; 1297 } 1298 if (opts & PF_OPT_SHOWALL) { 1299 if (format == PFCTL_SHOW_RULES && (ri.nr > 0 || header)) 1300 pfctl_print_title("FILTER RULES:"); 1301 else if (format == PFCTL_SHOW_LABELS && labels) 1302 pfctl_print_title("LABEL COUNTERS:"); 1303 } 1304 1305 for (nr = 0; nr < ri.nr; ++nr) { 1306 if (pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_SCRUB, 1307 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) { 1308 warn("DIOCGETRULENV"); 1309 goto error; 1310 } 1311 1312 if (pfctl_get_pool(dev, &rule.rpool, 1313 nr, ri.ticket, PF_SCRUB, path) != 0) 1314 goto error; 1315 1316 switch (format) { 1317 case PFCTL_SHOW_LABELS: 1318 break; 1319 case PFCTL_SHOW_RULES: 1320 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1321 labels = 1; 1322 print_rule(&rule, anchor_call, rule_numbers, numeric); 1323 printf("\n"); 1324 pfctl_print_rule_counters(&rule, opts); 1325 break; 1326 case PFCTL_SHOW_NOTHING: 1327 break; 1328 } 1329 pfctl_clear_pool(&rule.rpool); 1330 } 1331 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1332 if (ret != 0) { 1333 warn("DIOCGETRULES"); 1334 goto error; 1335 } 1336 for (nr = 0; nr < ri.nr; ++nr) { 1337 if (pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_PASS, 1338 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) { 1339 warn("DIOCGETRULE"); 1340 goto error; 1341 } 1342 1343 if (pfctl_get_pool(dev, &rule.rpool, 1344 nr, ri.ticket, PF_PASS, path) != 0) 1345 goto error; 1346 1347 switch (format) { 1348 case PFCTL_SHOW_LABELS: { 1349 bool show = false; 1350 int i = 0; 1351 1352 while (rule.label[i][0]) { 1353 printf("%s ", rule.label[i++]); 1354 show = true; 1355 } 1356 1357 if (show) { 1358 printf("%llu %llu %llu %llu" 1359 " %llu %llu %llu %ju\n", 1360 (unsigned long long)rule.evaluations, 1361 (unsigned long long)(rule.packets[0] + 1362 rule.packets[1]), 1363 (unsigned long long)(rule.bytes[0] + 1364 rule.bytes[1]), 1365 (unsigned long long)rule.packets[0], 1366 (unsigned long long)rule.bytes[0], 1367 (unsigned long long)rule.packets[1], 1368 (unsigned long long)rule.bytes[1], 1369 (uintmax_t)rule.states_tot); 1370 } 1371 1372 if (anchor_call[0] && 1373 (((p = strrchr(anchor_call, '/')) ? 1374 p[1] == '_' : anchor_call[0] == '_') || 1375 opts & PF_OPT_RECURSE)) { 1376 pfctl_show_rules(dev, npath, opts, format, 1377 anchor_call, depth, rule.anchor_wildcard); 1378 } 1379 break; 1380 } 1381 case PFCTL_SHOW_RULES: 1382 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1383 labels = 1; 1384 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1385 print_rule(&rule, anchor_call, rule_numbers, numeric); 1386 1387 /* 1388 * If this is a 'unnamed' brace notation 1389 * anchor, OR the user has explicitly requested 1390 * recursion, print it recursively. 1391 */ 1392 if (anchor_call[0] && 1393 (((p = strrchr(anchor_call, '/')) ? 1394 p[1] == '_' : anchor_call[0] == '_') || 1395 opts & PF_OPT_RECURSE)) { 1396 printf(" {\n"); 1397 pfctl_print_rule_counters(&rule, opts); 1398 pfctl_show_rules(dev, npath, opts, format, 1399 anchor_call, depth + 1, 1400 rule.anchor_wildcard); 1401 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1402 printf("}\n"); 1403 } else { 1404 printf("\n"); 1405 pfctl_print_rule_counters(&rule, opts); 1406 } 1407 break; 1408 case PFCTL_SHOW_NOTHING: 1409 break; 1410 } 1411 pfctl_clear_pool(&rule.rpool); 1412 } 1413 1414 error: 1415 path[len] = '\0'; 1416 return (ret); 1417 } 1418 1419 int 1420 pfctl_show_nat(int dev, char *path, int opts, char *anchorname, int depth, 1421 int wildcard) 1422 { 1423 struct pfctl_rules_info ri; 1424 struct pfctl_rule rule; 1425 char anchor_call[MAXPATHLEN]; 1426 u_int32_t nr; 1427 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT }; 1428 int i, dotitle = opts & PF_OPT_SHOWALL; 1429 int ret; 1430 int len = strlen(path); 1431 char *npath, *p; 1432 1433 /* 1434 * Truncate a trailing / and * on an anchorname before searching for 1435 * the ruleset, this is syntactic sugar that doesn't actually make it 1436 * to the kernel. 1437 */ 1438 if ((p = strrchr(anchorname, '/')) != NULL && 1439 p[1] == '*' && p[2] == '\0') { 1440 p[0] = '\0'; 1441 } 1442 1443 if (anchorname[0] == '/') { 1444 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1445 errx(1, "pfctl_rules: calloc"); 1446 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1447 } else { 1448 if (path[0]) 1449 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1450 else 1451 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1452 npath = path; 1453 } 1454 1455 /* 1456 * If this anchor was called with a wildcard path, go through 1457 * the rulesets in the anchor rather than the rules. 1458 */ 1459 if (wildcard && (opts & PF_OPT_RECURSE)) { 1460 struct pfioc_ruleset prs; 1461 u_int32_t mnr, nr; 1462 memset(&prs, 0, sizeof(prs)); 1463 memcpy(prs.path, npath, sizeof(prs.path)); 1464 if (ioctl(dev, DIOCGETRULESETS, &prs)) { 1465 if (errno == EINVAL) 1466 fprintf(stderr, "NAT anchor '%s' " 1467 "not found.\n", anchorname); 1468 else 1469 err(1, "DIOCGETRULESETS"); 1470 } 1471 mnr = prs.nr; 1472 1473 pfctl_print_rule_counters(&rule, opts); 1474 for (nr = 0; nr < mnr; ++nr) { 1475 prs.nr = nr; 1476 if (ioctl(dev, DIOCGETRULESET, &prs)) 1477 err(1, "DIOCGETRULESET"); 1478 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1479 printf("nat-anchor \"%s\" all {\n", prs.name); 1480 pfctl_show_nat(dev, npath, opts, 1481 prs.name, depth + 1, 0); 1482 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1483 printf("}\n"); 1484 } 1485 path[len] = '\0'; 1486 return (0); 1487 } 1488 1489 for (i = 0; i < 3; i++) { 1490 ret = pfctl_get_rules_info_h(pfh, &ri, nattype[i], path); 1491 if (ret != 0) { 1492 warn("DIOCGETRULES"); 1493 return (-1); 1494 } 1495 for (nr = 0; nr < ri.nr; ++nr) { 1496 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1497 1498 if (pfctl_get_rule_h(pfh, nr, ri.ticket, path, 1499 nattype[i], &rule, anchor_call)) { 1500 warn("DIOCGETRULE"); 1501 return (-1); 1502 } 1503 if (pfctl_get_pool(dev, &rule.rpool, nr, 1504 ri.ticket, nattype[i], path) != 0) 1505 return (-1); 1506 1507 if (dotitle) { 1508 pfctl_print_title("TRANSLATION RULES:"); 1509 dotitle = 0; 1510 } 1511 print_rule(&rule, anchor_call, 1512 opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC); 1513 if (anchor_call[0] && 1514 (((p = strrchr(anchor_call, '/')) ? 1515 p[1] == '_' : anchor_call[0] == '_') || 1516 opts & PF_OPT_RECURSE)) { 1517 printf(" {\n"); 1518 pfctl_print_rule_counters(&rule, opts); 1519 pfctl_show_nat(dev, npath, opts, anchor_call, 1520 depth + 1, rule.anchor_wildcard); 1521 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1522 printf("}\n"); 1523 } else { 1524 printf("\n"); 1525 pfctl_print_rule_counters(&rule, opts); 1526 } 1527 } 1528 } 1529 return (0); 1530 } 1531 1532 int 1533 pfctl_show_src_nodes(int dev, int opts) 1534 { 1535 struct pfioc_src_nodes psn; 1536 struct pf_src_node *p; 1537 char *inbuf = NULL, *newinbuf = NULL; 1538 unsigned int len = 0; 1539 int i; 1540 1541 memset(&psn, 0, sizeof(psn)); 1542 for (;;) { 1543 psn.psn_len = len; 1544 if (len) { 1545 newinbuf = realloc(inbuf, len); 1546 if (newinbuf == NULL) 1547 err(1, "realloc"); 1548 psn.psn_buf = inbuf = newinbuf; 1549 } 1550 if (ioctl(dev, DIOCGETSRCNODES, &psn) < 0) { 1551 warn("DIOCGETSRCNODES"); 1552 free(inbuf); 1553 return (-1); 1554 } 1555 if (psn.psn_len + sizeof(struct pfioc_src_nodes) < len) 1556 break; 1557 if (len == 0 && psn.psn_len == 0) 1558 goto done; 1559 if (len == 0 && psn.psn_len != 0) 1560 len = psn.psn_len; 1561 if (psn.psn_len == 0) 1562 goto done; /* no src_nodes */ 1563 len *= 2; 1564 } 1565 p = psn.psn_src_nodes; 1566 if (psn.psn_len > 0 && (opts & PF_OPT_SHOWALL)) 1567 pfctl_print_title("SOURCE TRACKING NODES:"); 1568 for (i = 0; i < psn.psn_len; i += sizeof(*p)) { 1569 print_src_node(p, opts); 1570 p++; 1571 } 1572 done: 1573 free(inbuf); 1574 return (0); 1575 } 1576 1577 struct pfctl_show_state_arg { 1578 int opts; 1579 int dotitle; 1580 const char *iface; 1581 }; 1582 1583 static int 1584 pfctl_show_state(struct pfctl_state *s, void *arg) 1585 { 1586 struct pfctl_show_state_arg *a = (struct pfctl_show_state_arg *)arg; 1587 1588 if (a->dotitle) { 1589 pfctl_print_title("STATES:"); 1590 a->dotitle = 0; 1591 } 1592 print_state(s, a->opts); 1593 1594 return (0); 1595 } 1596 1597 int 1598 pfctl_show_states(int dev, const char *iface, int opts) 1599 { 1600 struct pfctl_show_state_arg arg; 1601 struct pfctl_state_filter filter = {}; 1602 1603 if (iface != NULL) 1604 strncpy(filter.ifname, iface, IFNAMSIZ); 1605 1606 arg.opts = opts; 1607 arg.dotitle = opts & PF_OPT_SHOWALL; 1608 arg.iface = iface; 1609 1610 if (pfctl_get_filtered_states_iter(&filter, pfctl_show_state, &arg)) 1611 return (-1); 1612 1613 return (0); 1614 } 1615 1616 int 1617 pfctl_show_status(int dev, int opts) 1618 { 1619 struct pfctl_status *status; 1620 struct pfctl_syncookies cookies; 1621 1622 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1623 warn("DIOCGETSTATUS"); 1624 return (-1); 1625 } 1626 if (pfctl_get_syncookies(dev, &cookies)) { 1627 pfctl_free_status(status); 1628 warn("DIOCGETSYNCOOKIES"); 1629 return (-1); 1630 } 1631 if (opts & PF_OPT_SHOWALL) 1632 pfctl_print_title("INFO:"); 1633 print_status(status, &cookies, opts); 1634 pfctl_free_status(status); 1635 return (0); 1636 } 1637 1638 int 1639 pfctl_show_running(int dev) 1640 { 1641 struct pfctl_status *status; 1642 int running; 1643 1644 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1645 warn("DIOCGETSTATUS"); 1646 return (-1); 1647 } 1648 1649 running = status->running; 1650 1651 print_running(status); 1652 pfctl_free_status(status); 1653 return (!running); 1654 } 1655 1656 int 1657 pfctl_show_timeouts(int dev, int opts) 1658 { 1659 uint32_t seconds; 1660 int i; 1661 1662 if (opts & PF_OPT_SHOWALL) 1663 pfctl_print_title("TIMEOUTS:"); 1664 for (i = 0; pf_timeouts[i].name; i++) { 1665 if (pfctl_get_timeout(pfh, pf_timeouts[i].timeout, &seconds)) 1666 err(1, "DIOCGETTIMEOUT"); 1667 printf("%-20s %10d", pf_timeouts[i].name, seconds); 1668 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START && 1669 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END) 1670 printf(" states"); 1671 else 1672 printf("s"); 1673 printf("\n"); 1674 } 1675 return (0); 1676 1677 } 1678 1679 int 1680 pfctl_show_limits(int dev, int opts) 1681 { 1682 struct pfioc_limit pl; 1683 int i; 1684 1685 if (opts & PF_OPT_SHOWALL) 1686 pfctl_print_title("LIMITS:"); 1687 memset(&pl, 0, sizeof(pl)); 1688 for (i = 0; pf_limits[i].name; i++) { 1689 pl.index = pf_limits[i].index; 1690 if (ioctl(dev, DIOCGETLIMIT, &pl)) 1691 err(1, "DIOCGETLIMIT"); 1692 printf("%-13s ", pf_limits[i].name); 1693 if (pl.limit == UINT_MAX) 1694 printf("unlimited\n"); 1695 else 1696 printf("hard limit %8u\n", pl.limit); 1697 } 1698 return (0); 1699 } 1700 1701 void 1702 pfctl_show_creators(int opts) 1703 { 1704 int ret; 1705 uint32_t creators[16]; 1706 size_t count = nitems(creators); 1707 1708 ret = pfctl_get_creatorids(pfh, creators, &count); 1709 if (ret != 0) 1710 errx(ret, "Failed to retrieve creators"); 1711 1712 printf("Creator IDs:\n"); 1713 for (size_t i = 0; i < count; i++) 1714 printf("%08x\n", creators[i]); 1715 } 1716 1717 /* callbacks for rule/nat/rdr/addr */ 1718 int 1719 pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af) 1720 { 1721 struct pf_pooladdr *pa; 1722 1723 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1724 if (ioctl(pf->dev, DIOCBEGINADDRS, &pf->paddr)) 1725 err(1, "DIOCBEGINADDRS"); 1726 } 1727 1728 pf->paddr.af = af; 1729 TAILQ_FOREACH(pa, &p->list, entries) { 1730 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr)); 1731 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1732 if (ioctl(pf->dev, DIOCADDADDR, &pf->paddr)) 1733 err(1, "DIOCADDADDR"); 1734 } 1735 } 1736 return (0); 1737 } 1738 1739 int 1740 pfctl_append_rule(struct pfctl *pf, struct pfctl_rule *r, 1741 const char *anchor_call) 1742 { 1743 u_int8_t rs_num; 1744 struct pfctl_rule *rule; 1745 struct pfctl_ruleset *rs; 1746 char *p; 1747 1748 rs_num = pf_get_ruleset_number(r->action); 1749 if (rs_num == PF_RULESET_MAX) 1750 errx(1, "Invalid rule type %d", r->action); 1751 1752 rs = &pf->anchor->ruleset; 1753 1754 if (anchor_call[0] && r->anchor == NULL) { 1755 /* 1756 * Don't make non-brace anchors part of the main anchor pool. 1757 */ 1758 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1759 err(1, "pfctl_append_rule: calloc"); 1760 1761 pf_init_ruleset(&r->anchor->ruleset); 1762 r->anchor->ruleset.anchor = r->anchor; 1763 if (strlcpy(r->anchor->path, anchor_call, 1764 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1765 errx(1, "pfctl_append_rule: strlcpy"); 1766 if ((p = strrchr(anchor_call, '/')) != NULL) { 1767 if (!strlen(p)) 1768 err(1, "pfctl_append_rule: bad anchor name %s", 1769 anchor_call); 1770 } else 1771 p = (char *)anchor_call; 1772 if (strlcpy(r->anchor->name, p, 1773 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1774 errx(1, "pfctl_append_rule: strlcpy"); 1775 } 1776 1777 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1778 err(1, "calloc"); 1779 bcopy(r, rule, sizeof(*rule)); 1780 TAILQ_INIT(&rule->rpool.list); 1781 pfctl_move_pool(&r->rpool, &rule->rpool); 1782 1783 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries); 1784 return (0); 1785 } 1786 1787 int 1788 pfctl_append_eth_rule(struct pfctl *pf, struct pfctl_eth_rule *r, 1789 const char *anchor_call) 1790 { 1791 struct pfctl_eth_rule *rule; 1792 struct pfctl_eth_ruleset *rs; 1793 char *p; 1794 1795 rs = &pf->eanchor->ruleset; 1796 1797 if (anchor_call[0] && r->anchor == NULL) { 1798 /* 1799 * Don't make non-brace anchors part of the main anchor pool. 1800 */ 1801 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1802 err(1, "pfctl_append_rule: calloc"); 1803 1804 pf_init_eth_ruleset(&r->anchor->ruleset); 1805 r->anchor->ruleset.anchor = r->anchor; 1806 if (strlcpy(r->anchor->path, anchor_call, 1807 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1808 errx(1, "pfctl_append_rule: strlcpy"); 1809 if ((p = strrchr(anchor_call, '/')) != NULL) { 1810 if (!strlen(p)) 1811 err(1, "pfctl_append_eth_rule: bad anchor name %s", 1812 anchor_call); 1813 } else 1814 p = (char *)anchor_call; 1815 if (strlcpy(r->anchor->name, p, 1816 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1817 errx(1, "pfctl_append_eth_rule: strlcpy"); 1818 } 1819 1820 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1821 err(1, "calloc"); 1822 bcopy(r, rule, sizeof(*rule)); 1823 1824 TAILQ_INSERT_TAIL(&rs->rules, rule, entries); 1825 return (0); 1826 } 1827 1828 int 1829 pfctl_eth_ruleset_trans(struct pfctl *pf, char *path, 1830 struct pfctl_eth_anchor *a) 1831 { 1832 int osize = pf->trans->pfrb_size; 1833 1834 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0) { 1835 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1836 return (1); 1837 } 1838 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1839 return (5); 1840 1841 return (0); 1842 } 1843 1844 int 1845 pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pfctl_anchor *a, bool do_eth) 1846 { 1847 int osize = pf->trans->pfrb_size; 1848 1849 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0 && do_eth) { 1850 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1851 return (1); 1852 } 1853 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) { 1854 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) || 1855 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) || 1856 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path)) 1857 return (1); 1858 } 1859 if (a == pf->astack[0] && ((altqsupport && 1860 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) { 1861 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path)) 1862 return (2); 1863 } 1864 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) { 1865 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) || 1866 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path)) 1867 return (3); 1868 } 1869 if (pf->loadopt & PFCTL_FLAG_TABLE) 1870 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path)) 1871 return (4); 1872 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1873 return (5); 1874 1875 return (0); 1876 } 1877 1878 int 1879 pfctl_load_eth_ruleset(struct pfctl *pf, char *path, 1880 struct pfctl_eth_ruleset *rs, int depth) 1881 { 1882 struct pfctl_eth_rule *r; 1883 int error, len = strlen(path); 1884 int brace = 0; 1885 1886 pf->eanchor = rs->anchor; 1887 if (path[0]) 1888 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->eanchor->name); 1889 else 1890 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->eanchor->name); 1891 1892 if (depth) { 1893 if (TAILQ_FIRST(&rs->rules) != NULL) { 1894 brace++; 1895 if (pf->opts & PF_OPT_VERBOSE) 1896 printf(" {\n"); 1897 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1898 (error = pfctl_eth_ruleset_trans(pf, 1899 path, rs->anchor))) { 1900 printf("pfctl_load_eth_rulesets: " 1901 "pfctl_eth_ruleset_trans %d\n", error); 1902 goto error; 1903 } 1904 } else if (pf->opts & PF_OPT_VERBOSE) 1905 printf("\n"); 1906 } 1907 1908 while ((r = TAILQ_FIRST(&rs->rules)) != NULL) { 1909 TAILQ_REMOVE(&rs->rules, r, entries); 1910 1911 error = pfctl_load_eth_rule(pf, path, r, depth); 1912 if (error) 1913 return (error); 1914 1915 if (r->anchor) { 1916 if ((error = pfctl_load_eth_ruleset(pf, path, 1917 &r->anchor->ruleset, depth + 1))) 1918 return (error); 1919 } else if (pf->opts & PF_OPT_VERBOSE) 1920 printf("\n"); 1921 free(r); 1922 } 1923 if (brace && pf->opts & PF_OPT_VERBOSE) { 1924 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 1925 printf("}\n"); 1926 } 1927 path[len] = '\0'; 1928 1929 return (0); 1930 error: 1931 path[len] = '\0'; 1932 return (error); 1933 } 1934 1935 int 1936 pfctl_load_eth_rule(struct pfctl *pf, char *path, struct pfctl_eth_rule *r, 1937 int depth) 1938 { 1939 char *name; 1940 char anchor[PF_ANCHOR_NAME_SIZE]; 1941 int len = strlen(path); 1942 1943 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 1944 errx(1, "pfctl_load_eth_rule: strlcpy"); 1945 1946 if (r->anchor) { 1947 if (r->anchor->match) { 1948 if (path[0]) 1949 snprintf(&path[len], MAXPATHLEN - len, 1950 "/%s", r->anchor->name); 1951 else 1952 snprintf(&path[len], MAXPATHLEN - len, 1953 "%s", r->anchor->name); 1954 name = r->anchor->name; 1955 } else 1956 name = r->anchor->path; 1957 } else 1958 name = ""; 1959 1960 if ((pf->opts & PF_OPT_NOACTION) == 0) 1961 if (pfctl_add_eth_rule(pf->dev, r, anchor, name, 1962 pf->eth_ticket)) 1963 err(1, "DIOCADDETHRULENV"); 1964 1965 if (pf->opts & PF_OPT_VERBOSE) { 1966 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 1967 print_eth_rule(r, r->anchor ? r->anchor->name : "", 1968 pf->opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1969 } 1970 1971 path[len] = '\0'; 1972 1973 return (0); 1974 } 1975 1976 int 1977 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs, 1978 int rs_num, int depth) 1979 { 1980 struct pfctl_rule *r; 1981 int error, len = strlen(path); 1982 int brace = 0; 1983 1984 pf->anchor = rs->anchor; 1985 1986 if (path[0]) 1987 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name); 1988 else 1989 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name); 1990 1991 if (depth) { 1992 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) { 1993 brace++; 1994 if (pf->opts & PF_OPT_VERBOSE) 1995 printf(" {\n"); 1996 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1997 (error = pfctl_ruleset_trans(pf, 1998 path, rs->anchor, false))) { 1999 printf("pfctl_load_rulesets: " 2000 "pfctl_ruleset_trans %d\n", error); 2001 goto error; 2002 } 2003 } else if (pf->opts & PF_OPT_VERBOSE) 2004 printf("\n"); 2005 2006 } 2007 2008 if (pf->optimize && rs_num == PF_RULESET_FILTER) 2009 pfctl_optimize_ruleset(pf, rs); 2010 2011 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) { 2012 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries); 2013 2014 for (int i = 0; i < PF_RULE_MAX_LABEL_COUNT; i++) 2015 expand_label(r->label[i], PF_RULE_LABEL_SIZE, r); 2016 expand_label(r->tagname, PF_TAG_NAME_SIZE, r); 2017 expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r); 2018 2019 if ((error = pfctl_load_rule(pf, path, r, depth))) 2020 goto error; 2021 if (r->anchor) { 2022 if ((error = pfctl_load_ruleset(pf, path, 2023 &r->anchor->ruleset, rs_num, depth + 1))) 2024 goto error; 2025 } else if (pf->opts & PF_OPT_VERBOSE) 2026 printf("\n"); 2027 free(r); 2028 } 2029 if (brace && pf->opts & PF_OPT_VERBOSE) { 2030 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 2031 printf("}\n"); 2032 } 2033 path[len] = '\0'; 2034 return (0); 2035 2036 error: 2037 path[len] = '\0'; 2038 return (error); 2039 2040 } 2041 2042 int 2043 pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth) 2044 { 2045 u_int8_t rs_num = pf_get_ruleset_number(r->action); 2046 char *name; 2047 u_int32_t ticket; 2048 char anchor[PF_ANCHOR_NAME_SIZE]; 2049 int len = strlen(path); 2050 int error; 2051 bool was_present; 2052 2053 /* set up anchor before adding to path for anchor_call */ 2054 if ((pf->opts & PF_OPT_NOACTION) == 0) 2055 ticket = pfctl_get_ticket(pf->trans, rs_num, path); 2056 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 2057 errx(1, "pfctl_load_rule: strlcpy"); 2058 2059 if (r->anchor) { 2060 if (r->anchor->match) { 2061 if (path[0]) 2062 snprintf(&path[len], MAXPATHLEN - len, 2063 "/%s", r->anchor->name); 2064 else 2065 snprintf(&path[len], MAXPATHLEN - len, 2066 "%s", r->anchor->name); 2067 name = r->anchor->name; 2068 } else 2069 name = r->anchor->path; 2070 } else 2071 name = ""; 2072 2073 was_present = false; 2074 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2075 if (pfctl_add_pool(pf, &r->rpool, r->af)) 2076 return (1); 2077 error = pfctl_add_rule_h(pf->h, r, anchor, name, ticket, 2078 pf->paddr.ticket); 2079 switch (error) { 2080 case 0: 2081 /* things worked, do nothing */ 2082 break; 2083 case EEXIST: 2084 /* an identical rule is already present */ 2085 was_present = true; 2086 break; 2087 default: 2088 err(1, "DIOCADDRULENV"); 2089 } 2090 } 2091 2092 if (pf->opts & PF_OPT_VERBOSE) { 2093 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 2094 print_rule(r, name, 2095 pf->opts & PF_OPT_VERBOSE2, 2096 pf->opts & PF_OPT_NUMERIC); 2097 if (was_present) 2098 printf(" -- rule was already present"); 2099 } 2100 path[len] = '\0'; 2101 pfctl_clear_pool(&r->rpool); 2102 return (0); 2103 } 2104 2105 int 2106 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a) 2107 { 2108 if (altqsupport && 2109 (loadopt & PFCTL_FLAG_ALTQ) != 0) { 2110 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq)); 2111 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2112 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) { 2113 if (errno == ENXIO) 2114 errx(1, "qtype not configured"); 2115 else if (errno == ENODEV) 2116 errx(1, "%s: driver does not support " 2117 "altq", a->ifname); 2118 else 2119 err(1, "DIOCADDALTQ"); 2120 } 2121 } 2122 pfaltq_store(&pf->paltq->altq); 2123 } 2124 return (0); 2125 } 2126 2127 int 2128 pfctl_rules(int dev, char *filename, int opts, int optimize, 2129 char *anchorname, struct pfr_buffer *trans) 2130 { 2131 #define ERR(x) do { warn(x); goto _error; } while(0) 2132 #define ERRX(x) do { warnx(x); goto _error; } while(0) 2133 2134 struct pfr_buffer *t, buf; 2135 struct pfioc_altq pa; 2136 struct pfctl pf; 2137 struct pfctl_ruleset *rs; 2138 struct pfctl_eth_ruleset *ethrs; 2139 struct pfr_table trs; 2140 char *path; 2141 int osize; 2142 2143 RB_INIT(&pf_anchors); 2144 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor)); 2145 pf_init_ruleset(&pf_main_anchor.ruleset); 2146 pf_main_anchor.ruleset.anchor = &pf_main_anchor; 2147 2148 memset(&pf_eth_main_anchor, 0, sizeof(pf_eth_main_anchor)); 2149 pf_init_eth_ruleset(&pf_eth_main_anchor.ruleset); 2150 pf_eth_main_anchor.ruleset.anchor = &pf_eth_main_anchor; 2151 2152 if (trans == NULL) { 2153 bzero(&buf, sizeof(buf)); 2154 buf.pfrb_type = PFRB_TRANS; 2155 t = &buf; 2156 osize = 0; 2157 } else { 2158 t = trans; 2159 osize = t->pfrb_size; 2160 } 2161 2162 memset(&pa, 0, sizeof(pa)); 2163 pa.version = PFIOC_ALTQ_VERSION; 2164 memset(&pf, 0, sizeof(pf)); 2165 memset(&trs, 0, sizeof(trs)); 2166 if ((path = calloc(1, MAXPATHLEN)) == NULL) 2167 ERRX("pfctl_rules: calloc"); 2168 if (strlcpy(trs.pfrt_anchor, anchorname, 2169 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor)) 2170 ERRX("pfctl_rules: strlcpy"); 2171 pf.dev = dev; 2172 pf.h = pfh; 2173 pf.opts = opts; 2174 pf.optimize = optimize; 2175 pf.loadopt = loadopt; 2176 2177 /* non-brace anchor, create without resolving the path */ 2178 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL) 2179 ERRX("pfctl_rules: calloc"); 2180 rs = &pf.anchor->ruleset; 2181 pf_init_ruleset(rs); 2182 rs->anchor = pf.anchor; 2183 if (strlcpy(pf.anchor->path, anchorname, 2184 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path)) 2185 errx(1, "pfctl_rules: strlcpy"); 2186 if (strlcpy(pf.anchor->name, anchorname, 2187 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name)) 2188 errx(1, "pfctl_rules: strlcpy"); 2189 2190 2191 pf.astack[0] = pf.anchor; 2192 pf.asd = 0; 2193 if (anchorname[0]) 2194 pf.loadopt &= ~PFCTL_FLAG_ALTQ; 2195 pf.paltq = &pa; 2196 pf.trans = t; 2197 pfctl_init_options(&pf); 2198 2199 /* Set up ethernet anchor */ 2200 if ((pf.eanchor = calloc(1, sizeof(*pf.eanchor))) == NULL) 2201 ERRX("pfctl_rules: calloc"); 2202 2203 if (strlcpy(pf.eanchor->path, anchorname, 2204 sizeof(pf.eanchor->path)) >= sizeof(pf.eanchor->path)) 2205 errx(1, "pfctl_rules: strlcpy"); 2206 if (strlcpy(pf.eanchor->name, anchorname, 2207 sizeof(pf.eanchor->name)) >= sizeof(pf.eanchor->name)) 2208 errx(1, "pfctl_rules: strlcpy"); 2209 2210 ethrs = &pf.eanchor->ruleset; 2211 pf_init_eth_ruleset(ethrs); 2212 ethrs->anchor = pf.eanchor; 2213 pf.eastack[0] = pf.eanchor; 2214 2215 if ((opts & PF_OPT_NOACTION) == 0) { 2216 /* 2217 * XXX For the time being we need to open transactions for 2218 * the main ruleset before parsing, because tables are still 2219 * loaded at parse time. 2220 */ 2221 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor, true)) 2222 ERRX("pfctl_rules"); 2223 if (pf.loadopt & PFCTL_FLAG_ETH) 2224 pf.eth_ticket = pfctl_get_ticket(t, PF_RULESET_ETH, anchorname); 2225 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ)) 2226 pa.ticket = 2227 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname); 2228 if (pf.loadopt & PFCTL_FLAG_TABLE) 2229 pf.astack[0]->ruleset.tticket = 2230 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname); 2231 } 2232 2233 if (parse_config(filename, &pf) < 0) { 2234 if ((opts & PF_OPT_NOACTION) == 0) 2235 ERRX("Syntax error in config file: " 2236 "pf rules not loaded"); 2237 else 2238 goto _error; 2239 } 2240 if (loadopt & PFCTL_FLAG_OPTION) 2241 pfctl_adjust_skip_ifaces(&pf); 2242 2243 if ((pf.loadopt & PFCTL_FLAG_FILTER && 2244 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) || 2245 (pf.loadopt & PFCTL_FLAG_ETH && 2246 (pfctl_load_eth_ruleset(&pf, path, ethrs, 0))) || 2247 (pf.loadopt & PFCTL_FLAG_NAT && 2248 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) || 2249 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) || 2250 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) || 2251 (pf.loadopt & PFCTL_FLAG_FILTER && 2252 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) { 2253 if ((opts & PF_OPT_NOACTION) == 0) 2254 ERRX("Unable to load rules into kernel"); 2255 else 2256 goto _error; 2257 } 2258 2259 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0)) 2260 if (check_commit_altq(dev, opts) != 0) 2261 ERRX("errors in altq config"); 2262 2263 /* process "load anchor" directives */ 2264 if (!anchorname[0]) 2265 if (pfctl_load_anchors(dev, &pf, t) == -1) 2266 ERRX("load anchors"); 2267 2268 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) { 2269 if (!anchorname[0]) 2270 if (pfctl_load_options(&pf)) 2271 goto _error; 2272 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize)) 2273 ERR("DIOCXCOMMIT"); 2274 } 2275 free(path); 2276 return (0); 2277 2278 _error: 2279 if (trans == NULL) { /* main ruleset */ 2280 if ((opts & PF_OPT_NOACTION) == 0) 2281 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize)) 2282 err(1, "DIOCXROLLBACK"); 2283 exit(1); 2284 } else { /* sub ruleset */ 2285 free(path); 2286 return (-1); 2287 } 2288 2289 #undef ERR 2290 #undef ERRX 2291 } 2292 2293 FILE * 2294 pfctl_fopen(const char *name, const char *mode) 2295 { 2296 struct stat st; 2297 FILE *fp; 2298 2299 fp = fopen(name, mode); 2300 if (fp == NULL) 2301 return (NULL); 2302 if (fstat(fileno(fp), &st)) { 2303 fclose(fp); 2304 return (NULL); 2305 } 2306 if (S_ISDIR(st.st_mode)) { 2307 fclose(fp); 2308 errno = EISDIR; 2309 return (NULL); 2310 } 2311 return (fp); 2312 } 2313 2314 void 2315 pfctl_init_options(struct pfctl *pf) 2316 { 2317 2318 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2319 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; 2320 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2321 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2322 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; 2323 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2324 pf->timeout[PFTM_SCTP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2325 pf->timeout[PFTM_SCTP_OPENING] = PFTM_TCP_OPENING_VAL; 2326 pf->timeout[PFTM_SCTP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2327 pf->timeout[PFTM_SCTP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2328 pf->timeout[PFTM_SCTP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2329 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; 2330 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; 2331 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; 2332 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; 2333 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; 2334 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; 2335 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; 2336 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; 2337 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL; 2338 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; 2339 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; 2340 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; 2341 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; 2342 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; 2343 2344 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT; 2345 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT; 2346 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT; 2347 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT; 2348 2349 pf->debug = PF_DEBUG_URGENT; 2350 pf->reassemble = 0; 2351 2352 pf->syncookies = false; 2353 pf->syncookieswat[0] = PF_SYNCOOKIES_LOWATPCT; 2354 pf->syncookieswat[1] = PF_SYNCOOKIES_HIWATPCT; 2355 } 2356 2357 int 2358 pfctl_load_options(struct pfctl *pf) 2359 { 2360 int i, error = 0; 2361 2362 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2363 return (0); 2364 2365 /* load limits */ 2366 for (i = 0; i < PF_LIMIT_MAX; i++) { 2367 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i]) 2368 continue; 2369 if (pfctl_load_limit(pf, i, pf->limit[i])) 2370 error = 1; 2371 } 2372 2373 /* 2374 * If we've set the limit, but haven't explicitly set adaptive 2375 * timeouts, do it now with a start of 60% and end of 120%. 2376 */ 2377 if (pf->limit_set[PF_LIMIT_STATES] && 2378 !pf->timeout_set[PFTM_ADAPTIVE_START] && 2379 !pf->timeout_set[PFTM_ADAPTIVE_END]) { 2380 pf->timeout[PFTM_ADAPTIVE_START] = 2381 (pf->limit[PF_LIMIT_STATES] / 10) * 6; 2382 pf->timeout_set[PFTM_ADAPTIVE_START] = 1; 2383 pf->timeout[PFTM_ADAPTIVE_END] = 2384 (pf->limit[PF_LIMIT_STATES] / 10) * 12; 2385 pf->timeout_set[PFTM_ADAPTIVE_END] = 1; 2386 } 2387 2388 /* load timeouts */ 2389 for (i = 0; i < PFTM_MAX; i++) { 2390 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i]) 2391 continue; 2392 if (pfctl_load_timeout(pf, i, pf->timeout[i])) 2393 error = 1; 2394 } 2395 2396 /* load debug */ 2397 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set) 2398 if (pfctl_load_debug(pf, pf->debug)) 2399 error = 1; 2400 2401 /* load logif */ 2402 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set) 2403 if (pfctl_load_logif(pf, pf->ifname)) 2404 error = 1; 2405 2406 /* load hostid */ 2407 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set) 2408 if (pfctl_load_hostid(pf, pf->hostid)) 2409 error = 1; 2410 2411 /* load reassembly settings */ 2412 if (!(pf->opts & PF_OPT_MERGE) || pf->reass_set) 2413 if (pfctl_load_reassembly(pf, pf->reassemble)) 2414 error = 1; 2415 2416 /* load keepcounters */ 2417 if (pfctl_set_keepcounters(pf->dev, pf->keep_counters)) 2418 error = 1; 2419 2420 /* load syncookies settings */ 2421 if (pfctl_load_syncookies(pf, pf->syncookies)) 2422 error = 1; 2423 2424 return (error); 2425 } 2426 2427 int 2428 pfctl_set_limit(struct pfctl *pf, const char *opt, unsigned int limit) 2429 { 2430 int i; 2431 2432 2433 for (i = 0; pf_limits[i].name; i++) { 2434 if (strcasecmp(opt, pf_limits[i].name) == 0) { 2435 pf->limit[pf_limits[i].index] = limit; 2436 pf->limit_set[pf_limits[i].index] = 1; 2437 break; 2438 } 2439 } 2440 if (pf_limits[i].name == NULL) { 2441 warnx("Bad pool name."); 2442 return (1); 2443 } 2444 2445 if (pf->opts & PF_OPT_VERBOSE) 2446 printf("set limit %s %d\n", opt, limit); 2447 2448 return (0); 2449 } 2450 2451 int 2452 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit) 2453 { 2454 struct pfioc_limit pl; 2455 2456 memset(&pl, 0, sizeof(pl)); 2457 pl.index = index; 2458 pl.limit = limit; 2459 if (ioctl(pf->dev, DIOCSETLIMIT, &pl)) { 2460 if (errno == EBUSY) 2461 warnx("Current pool size exceeds requested hard limit"); 2462 else 2463 warnx("DIOCSETLIMIT"); 2464 return (1); 2465 } 2466 return (0); 2467 } 2468 2469 int 2470 pfctl_apply_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet) 2471 { 2472 int i; 2473 2474 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2475 return (0); 2476 2477 for (i = 0; pf_timeouts[i].name; i++) { 2478 if (strcasecmp(opt, pf_timeouts[i].name) == 0) { 2479 pf->timeout[pf_timeouts[i].timeout] = seconds; 2480 pf->timeout_set[pf_timeouts[i].timeout] = 1; 2481 break; 2482 } 2483 } 2484 2485 if (pf_timeouts[i].name == NULL) { 2486 warnx("Bad timeout name."); 2487 return (1); 2488 } 2489 2490 2491 if (pf->opts & PF_OPT_VERBOSE && ! quiet) 2492 printf("set timeout %s %d\n", opt, seconds); 2493 2494 return (0); 2495 } 2496 2497 int 2498 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds) 2499 { 2500 if (pfctl_set_timeout(pf->h, timeout, seconds)) { 2501 warnx("DIOCSETTIMEOUT"); 2502 return (1); 2503 } 2504 return (0); 2505 } 2506 2507 int 2508 pfctl_set_reassembly(struct pfctl *pf, int on, int nodf) 2509 { 2510 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2511 return (0); 2512 2513 pf->reass_set = 1; 2514 if (on) { 2515 pf->reassemble = PF_REASS_ENABLED; 2516 if (nodf) 2517 pf->reassemble |= PF_REASS_NODF; 2518 } else { 2519 pf->reassemble = 0; 2520 } 2521 2522 if (pf->opts & PF_OPT_VERBOSE) 2523 printf("set reassemble %s %s\n", on ? "yes" : "no", 2524 nodf ? "no-df" : ""); 2525 2526 return (0); 2527 } 2528 2529 int 2530 pfctl_set_optimization(struct pfctl *pf, const char *opt) 2531 { 2532 const struct pf_hint *hint; 2533 int i, r; 2534 2535 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2536 return (0); 2537 2538 for (i = 0; pf_hints[i].name; i++) 2539 if (strcasecmp(opt, pf_hints[i].name) == 0) 2540 break; 2541 2542 hint = pf_hints[i].hint; 2543 if (hint == NULL) { 2544 warnx("invalid state timeouts optimization"); 2545 return (1); 2546 } 2547 2548 for (i = 0; hint[i].name; i++) 2549 if ((r = pfctl_apply_timeout(pf, hint[i].name, 2550 hint[i].timeout, 1))) 2551 return (r); 2552 2553 if (pf->opts & PF_OPT_VERBOSE) 2554 printf("set optimization %s\n", opt); 2555 2556 return (0); 2557 } 2558 2559 int 2560 pfctl_set_logif(struct pfctl *pf, char *ifname) 2561 { 2562 2563 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2564 return (0); 2565 2566 if (!strcmp(ifname, "none")) { 2567 free(pf->ifname); 2568 pf->ifname = NULL; 2569 } else { 2570 pf->ifname = strdup(ifname); 2571 if (!pf->ifname) 2572 errx(1, "pfctl_set_logif: strdup"); 2573 } 2574 pf->ifname_set = 1; 2575 2576 if (pf->opts & PF_OPT_VERBOSE) 2577 printf("set loginterface %s\n", ifname); 2578 2579 return (0); 2580 } 2581 2582 int 2583 pfctl_load_logif(struct pfctl *pf, char *ifname) 2584 { 2585 if (ifname != NULL && strlen(ifname) >= IFNAMSIZ) { 2586 warnx("pfctl_load_logif: strlcpy"); 2587 return (1); 2588 } 2589 return (pfctl_set_statusif(pfh, ifname ? ifname : "")); 2590 } 2591 2592 int 2593 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid) 2594 { 2595 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2596 return (0); 2597 2598 HTONL(hostid); 2599 2600 pf->hostid = hostid; 2601 pf->hostid_set = 1; 2602 2603 if (pf->opts & PF_OPT_VERBOSE) 2604 printf("set hostid 0x%08x\n", ntohl(hostid)); 2605 2606 return (0); 2607 } 2608 2609 int 2610 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid) 2611 { 2612 if (ioctl(dev, DIOCSETHOSTID, &hostid)) { 2613 warnx("DIOCSETHOSTID"); 2614 return (1); 2615 } 2616 return (0); 2617 } 2618 2619 int 2620 pfctl_load_reassembly(struct pfctl *pf, u_int32_t reassembly) 2621 { 2622 if (ioctl(dev, DIOCSETREASS, &reassembly)) { 2623 warnx("DIOCSETREASS"); 2624 return (1); 2625 } 2626 return (0); 2627 } 2628 2629 int 2630 pfctl_load_syncookies(struct pfctl *pf, u_int8_t val) 2631 { 2632 struct pfctl_syncookies cookies; 2633 2634 bzero(&cookies, sizeof(cookies)); 2635 2636 cookies.mode = val; 2637 cookies.lowwater = pf->syncookieswat[0]; 2638 cookies.highwater = pf->syncookieswat[1]; 2639 2640 if (pfctl_set_syncookies(dev, &cookies)) { 2641 warnx("DIOCSETSYNCOOKIES"); 2642 return (1); 2643 } 2644 return (0); 2645 } 2646 2647 int 2648 pfctl_cfg_syncookies(struct pfctl *pf, uint8_t val, struct pfctl_watermarks *w) 2649 { 2650 if (val != PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2651 warnx("syncookies start/end only apply to adaptive"); 2652 return (1); 2653 } 2654 if (val == PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2655 if (!w->hi) 2656 w->hi = PF_SYNCOOKIES_HIWATPCT; 2657 if (!w->lo) 2658 w->lo = w->hi / 2; 2659 if (w->lo >= w->hi) { 2660 warnx("start must be higher than end"); 2661 return (1); 2662 } 2663 pf->syncookieswat[0] = w->lo; 2664 pf->syncookieswat[1] = w->hi; 2665 pf->syncookieswat_set = 1; 2666 } 2667 2668 if (pf->opts & PF_OPT_VERBOSE) { 2669 if (val == PF_SYNCOOKIES_NEVER) 2670 printf("set syncookies never\n"); 2671 else if (val == PF_SYNCOOKIES_ALWAYS) 2672 printf("set syncookies always\n"); 2673 else if (val == PF_SYNCOOKIES_ADAPTIVE) { 2674 if (pf->syncookieswat_set) 2675 printf("set syncookies adaptive (start %u%%, " 2676 "end %u%%)\n", pf->syncookieswat[1], 2677 pf->syncookieswat[0]); 2678 else 2679 printf("set syncookies adaptive\n"); 2680 } else { /* cannot happen */ 2681 warnx("king bula ate all syncookies"); 2682 return (1); 2683 } 2684 } 2685 2686 pf->syncookies = val; 2687 return (0); 2688 } 2689 2690 int 2691 pfctl_do_set_debug(struct pfctl *pf, char *d) 2692 { 2693 u_int32_t level; 2694 2695 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2696 return (0); 2697 2698 if (!strcmp(d, "none")) 2699 pf->debug = PF_DEBUG_NONE; 2700 else if (!strcmp(d, "urgent")) 2701 pf->debug = PF_DEBUG_URGENT; 2702 else if (!strcmp(d, "misc")) 2703 pf->debug = PF_DEBUG_MISC; 2704 else if (!strcmp(d, "loud")) 2705 pf->debug = PF_DEBUG_NOISY; 2706 else { 2707 warnx("unknown debug level \"%s\"", d); 2708 return (-1); 2709 } 2710 2711 pf->debug_set = 1; 2712 level = pf->debug; 2713 2714 if ((pf->opts & PF_OPT_NOACTION) == 0) 2715 if (pfctl_set_debug(pfh, level)) 2716 err(1, "DIOCSETDEBUG"); 2717 2718 if (pf->opts & PF_OPT_VERBOSE) 2719 printf("set debug %s\n", d); 2720 2721 return (0); 2722 } 2723 2724 int 2725 pfctl_load_debug(struct pfctl *pf, unsigned int level) 2726 { 2727 if (pfctl_set_debug(pf->h, level)) { 2728 warnx("DIOCSETDEBUG"); 2729 return (1); 2730 } 2731 return (0); 2732 } 2733 2734 int 2735 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how) 2736 { 2737 struct pfioc_iface pi; 2738 struct node_host *h = NULL, *n = NULL; 2739 2740 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2741 return (0); 2742 2743 bzero(&pi, sizeof(pi)); 2744 2745 pi.pfiio_flags = flags; 2746 2747 /* Make sure our cache matches the kernel. If we set or clear the flag 2748 * for a group this applies to all members. */ 2749 h = ifa_grouplookup(ifname, 0); 2750 for (n = h; n != NULL; n = n->next) 2751 pfctl_set_interface_flags(pf, n->ifname, flags, how); 2752 2753 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >= 2754 sizeof(pi.pfiio_name)) 2755 errx(1, "pfctl_set_interface_flags: strlcpy"); 2756 2757 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2758 if (how == 0) { 2759 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi)) 2760 err(1, "DIOCCLRIFFLAG"); 2761 } else { 2762 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi)) 2763 err(1, "DIOCSETIFFLAG"); 2764 pfctl_check_skip_ifaces(ifname); 2765 } 2766 } 2767 return (0); 2768 } 2769 2770 void 2771 pfctl_debug(int dev, u_int32_t level, int opts) 2772 { 2773 if (pfctl_set_debug(pfh, level)) 2774 err(1, "DIOCSETDEBUG"); 2775 if ((opts & PF_OPT_QUIET) == 0) { 2776 fprintf(stderr, "debug level set to '"); 2777 switch (level) { 2778 case PF_DEBUG_NONE: 2779 fprintf(stderr, "none"); 2780 break; 2781 case PF_DEBUG_URGENT: 2782 fprintf(stderr, "urgent"); 2783 break; 2784 case PF_DEBUG_MISC: 2785 fprintf(stderr, "misc"); 2786 break; 2787 case PF_DEBUG_NOISY: 2788 fprintf(stderr, "loud"); 2789 break; 2790 default: 2791 fprintf(stderr, "<invalid>"); 2792 break; 2793 } 2794 fprintf(stderr, "'\n"); 2795 } 2796 } 2797 2798 int 2799 pfctl_test_altqsupport(int dev, int opts) 2800 { 2801 struct pfioc_altq pa; 2802 2803 pa.version = PFIOC_ALTQ_VERSION; 2804 if (ioctl(dev, DIOCGETALTQS, &pa)) { 2805 if (errno == ENODEV) { 2806 if (opts & PF_OPT_VERBOSE) 2807 fprintf(stderr, "No ALTQ support in kernel\n" 2808 "ALTQ related functions disabled\n"); 2809 return (0); 2810 } else 2811 err(1, "DIOCGETALTQS"); 2812 } 2813 return (1); 2814 } 2815 2816 int 2817 pfctl_show_anchors(int dev, int opts, char *anchorname) 2818 { 2819 struct pfioc_ruleset pr; 2820 u_int32_t mnr, nr; 2821 2822 memset(&pr, 0, sizeof(pr)); 2823 memcpy(pr.path, anchorname, sizeof(pr.path)); 2824 if (ioctl(dev, DIOCGETRULESETS, &pr)) { 2825 if (errno == EINVAL) 2826 fprintf(stderr, "Anchor '%s' not found.\n", 2827 anchorname); 2828 else 2829 err(1, "DIOCGETRULESETS"); 2830 return (-1); 2831 } 2832 mnr = pr.nr; 2833 for (nr = 0; nr < mnr; ++nr) { 2834 char sub[MAXPATHLEN]; 2835 2836 pr.nr = nr; 2837 if (ioctl(dev, DIOCGETRULESET, &pr)) 2838 err(1, "DIOCGETRULESET"); 2839 if (!strcmp(pr.name, PF_RESERVED_ANCHOR)) 2840 continue; 2841 sub[0] = 0; 2842 if (pr.path[0]) { 2843 strlcat(sub, pr.path, sizeof(sub)); 2844 strlcat(sub, "/", sizeof(sub)); 2845 } 2846 strlcat(sub, pr.name, sizeof(sub)); 2847 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2848 printf(" %s\n", sub); 2849 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub)) 2850 return (-1); 2851 } 2852 return (0); 2853 } 2854 2855 int 2856 pfctl_show_eth_anchors(int dev, int opts, char *anchorname) 2857 { 2858 struct pfctl_eth_rulesets_info ri; 2859 struct pfctl_eth_ruleset_info rs; 2860 int ret; 2861 2862 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, anchorname)) != 0) { 2863 if (ret == ENOENT) 2864 fprintf(stderr, "Anchor '%s' not found.\n", 2865 anchorname); 2866 else 2867 err(1, "DIOCGETETHRULESETS"); 2868 return (-1); 2869 } 2870 2871 for (int nr = 0; nr < ri.nr; nr++) { 2872 char sub[MAXPATHLEN]; 2873 2874 if (pfctl_get_eth_ruleset(dev, anchorname, nr, &rs) != 0) 2875 err(1, "DIOCGETETHRULESET"); 2876 2877 if (!strcmp(rs.name, PF_RESERVED_ANCHOR)) 2878 continue; 2879 sub[0] = 0; 2880 if (rs.path[0]) { 2881 strlcat(sub, rs.path, sizeof(sub)); 2882 strlcat(sub, "/", sizeof(sub)); 2883 } 2884 strlcat(sub, rs.name, sizeof(sub)); 2885 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2886 printf(" %s\n", sub); 2887 if ((opts & PF_OPT_VERBOSE) && pfctl_show_eth_anchors(dev, opts, sub)) 2888 return (-1); 2889 } 2890 return (0); 2891 } 2892 2893 const char * 2894 pfctl_lookup_option(char *cmd, const char * const *list) 2895 { 2896 if (cmd != NULL && *cmd) 2897 for (; *list; list++) 2898 if (!strncmp(cmd, *list, strlen(cmd))) 2899 return (*list); 2900 return (NULL); 2901 } 2902 2903 int 2904 main(int argc, char *argv[]) 2905 { 2906 int error = 0; 2907 int ch; 2908 int mode = O_RDONLY; 2909 int opts = 0; 2910 int optimize = PF_OPTIMIZE_BASIC; 2911 char anchorname[MAXPATHLEN]; 2912 char *path; 2913 2914 if (argc < 2) 2915 usage(); 2916 2917 while ((ch = getopt(argc, argv, 2918 "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) { 2919 switch (ch) { 2920 case 'a': 2921 anchoropt = optarg; 2922 break; 2923 case 'd': 2924 opts |= PF_OPT_DISABLE; 2925 mode = O_RDWR; 2926 break; 2927 case 'D': 2928 if (pfctl_cmdline_symset(optarg) < 0) 2929 warnx("could not parse macro definition %s", 2930 optarg); 2931 break; 2932 case 'e': 2933 opts |= PF_OPT_ENABLE; 2934 mode = O_RDWR; 2935 break; 2936 case 'q': 2937 opts |= PF_OPT_QUIET; 2938 break; 2939 case 'F': 2940 clearopt = pfctl_lookup_option(optarg, clearopt_list); 2941 if (clearopt == NULL) { 2942 warnx("Unknown flush modifier '%s'", optarg); 2943 usage(); 2944 } 2945 mode = O_RDWR; 2946 break; 2947 case 'i': 2948 ifaceopt = optarg; 2949 break; 2950 case 'k': 2951 if (state_killers >= 2) { 2952 warnx("can only specify -k twice"); 2953 usage(); 2954 /* NOTREACHED */ 2955 } 2956 state_kill[state_killers++] = optarg; 2957 mode = O_RDWR; 2958 break; 2959 case 'K': 2960 if (src_node_killers >= 2) { 2961 warnx("can only specify -K twice"); 2962 usage(); 2963 /* NOTREACHED */ 2964 } 2965 src_node_kill[src_node_killers++] = optarg; 2966 mode = O_RDWR; 2967 break; 2968 case 'm': 2969 opts |= PF_OPT_MERGE; 2970 break; 2971 case 'M': 2972 opts |= PF_OPT_KILLMATCH; 2973 break; 2974 case 'n': 2975 opts |= PF_OPT_NOACTION; 2976 break; 2977 case 'N': 2978 loadopt |= PFCTL_FLAG_NAT; 2979 break; 2980 case 'r': 2981 opts |= PF_OPT_USEDNS; 2982 break; 2983 case 'f': 2984 rulesopt = optarg; 2985 mode = O_RDWR; 2986 break; 2987 case 'g': 2988 opts |= PF_OPT_DEBUG; 2989 break; 2990 case 'A': 2991 loadopt |= PFCTL_FLAG_ALTQ; 2992 break; 2993 case 'R': 2994 loadopt |= PFCTL_FLAG_FILTER; 2995 break; 2996 case 'o': 2997 optiopt = pfctl_lookup_option(optarg, optiopt_list); 2998 if (optiopt == NULL) { 2999 warnx("Unknown optimization '%s'", optarg); 3000 usage(); 3001 } 3002 opts |= PF_OPT_OPTIMIZE; 3003 break; 3004 case 'O': 3005 loadopt |= PFCTL_FLAG_OPTION; 3006 break; 3007 case 'p': 3008 pf_device = optarg; 3009 break; 3010 case 'P': 3011 opts |= PF_OPT_NUMERIC; 3012 break; 3013 case 's': 3014 showopt = pfctl_lookup_option(optarg, showopt_list); 3015 if (showopt == NULL) { 3016 warnx("Unknown show modifier '%s'", optarg); 3017 usage(); 3018 } 3019 break; 3020 case 't': 3021 tableopt = optarg; 3022 break; 3023 case 'T': 3024 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list); 3025 if (tblcmdopt == NULL) { 3026 warnx("Unknown table command '%s'", optarg); 3027 usage(); 3028 } 3029 break; 3030 case 'v': 3031 if (opts & PF_OPT_VERBOSE) 3032 opts |= PF_OPT_VERBOSE2; 3033 opts |= PF_OPT_VERBOSE; 3034 break; 3035 case 'x': 3036 debugopt = pfctl_lookup_option(optarg, debugopt_list); 3037 if (debugopt == NULL) { 3038 warnx("Unknown debug level '%s'", optarg); 3039 usage(); 3040 } 3041 mode = O_RDWR; 3042 break; 3043 case 'z': 3044 opts |= PF_OPT_CLRRULECTRS; 3045 mode = O_RDWR; 3046 break; 3047 case 'h': 3048 /* FALLTHROUGH */ 3049 default: 3050 usage(); 3051 /* NOTREACHED */ 3052 } 3053 } 3054 3055 if (tblcmdopt != NULL) { 3056 argc -= optind; 3057 argv += optind; 3058 ch = *tblcmdopt; 3059 if (ch == 'l') { 3060 loadopt |= PFCTL_FLAG_TABLE; 3061 tblcmdopt = NULL; 3062 } else 3063 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY; 3064 } else if (argc != optind) { 3065 warnx("unknown command line argument: %s ...", argv[optind]); 3066 usage(); 3067 /* NOTREACHED */ 3068 } 3069 if (loadopt == 0) 3070 loadopt = ~0; 3071 3072 if ((path = calloc(1, MAXPATHLEN)) == NULL) 3073 errx(1, "pfctl: calloc"); 3074 memset(anchorname, 0, sizeof(anchorname)); 3075 if (anchoropt != NULL) { 3076 int len = strlen(anchoropt); 3077 3078 if (len >= 1 && anchoropt[len - 1] == '*') { 3079 if (len >= 2 && anchoropt[len - 2] == '/') 3080 anchoropt[len - 2] = '\0'; 3081 else 3082 anchoropt[len - 1] = '\0'; 3083 opts |= PF_OPT_RECURSE; 3084 } 3085 if (strlcpy(anchorname, anchoropt, 3086 sizeof(anchorname)) >= sizeof(anchorname)) 3087 errx(1, "anchor name '%s' too long", 3088 anchoropt); 3089 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE|PFCTL_FLAG_ETH; 3090 } 3091 3092 if ((opts & PF_OPT_NOACTION) == 0) { 3093 dev = open(pf_device, mode); 3094 if (dev == -1) 3095 err(1, "%s", pf_device); 3096 altqsupport = pfctl_test_altqsupport(dev, opts); 3097 } else { 3098 dev = open(pf_device, O_RDONLY); 3099 if (dev >= 0) 3100 opts |= PF_OPT_DUMMYACTION; 3101 /* turn off options */ 3102 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE); 3103 clearopt = showopt = debugopt = NULL; 3104 #if !defined(ENABLE_ALTQ) 3105 altqsupport = 0; 3106 #else 3107 altqsupport = 1; 3108 #endif 3109 } 3110 pfh = pfctl_open(pf_device); 3111 if (pfh == NULL) 3112 err(1, "Failed to open netlink"); 3113 3114 if (opts & PF_OPT_DISABLE) 3115 if (pfctl_disable(dev, opts)) 3116 error = 1; 3117 3118 if (showopt != NULL) { 3119 switch (*showopt) { 3120 case 'A': 3121 pfctl_show_anchors(dev, opts, anchorname); 3122 if (opts & PF_OPT_VERBOSE2) 3123 printf("Ethernet:\n"); 3124 pfctl_show_eth_anchors(dev, opts, anchorname); 3125 break; 3126 case 'r': 3127 pfctl_load_fingerprints(dev, opts); 3128 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES, 3129 anchorname, 0, 0); 3130 break; 3131 case 'l': 3132 pfctl_load_fingerprints(dev, opts); 3133 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS, 3134 anchorname, 0, 0); 3135 break; 3136 case 'n': 3137 pfctl_load_fingerprints(dev, opts); 3138 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3139 break; 3140 case 'q': 3141 pfctl_show_altq(dev, ifaceopt, opts, 3142 opts & PF_OPT_VERBOSE2); 3143 break; 3144 case 's': 3145 pfctl_show_states(dev, ifaceopt, opts); 3146 break; 3147 case 'S': 3148 pfctl_show_src_nodes(dev, opts); 3149 break; 3150 case 'i': 3151 pfctl_show_status(dev, opts); 3152 break; 3153 case 'R': 3154 error = pfctl_show_running(dev); 3155 break; 3156 case 't': 3157 pfctl_show_timeouts(dev, opts); 3158 break; 3159 case 'm': 3160 pfctl_show_limits(dev, opts); 3161 break; 3162 case 'e': 3163 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3164 0); 3165 break; 3166 case 'a': 3167 opts |= PF_OPT_SHOWALL; 3168 pfctl_load_fingerprints(dev, opts); 3169 3170 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3171 0); 3172 3173 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3174 pfctl_show_rules(dev, path, opts, 0, anchorname, 0, 0); 3175 pfctl_show_altq(dev, ifaceopt, opts, 0); 3176 pfctl_show_states(dev, ifaceopt, opts); 3177 pfctl_show_src_nodes(dev, opts); 3178 pfctl_show_status(dev, opts); 3179 pfctl_show_rules(dev, path, opts, 1, anchorname, 0, 0); 3180 pfctl_show_timeouts(dev, opts); 3181 pfctl_show_limits(dev, opts); 3182 pfctl_show_tables(anchorname, opts); 3183 pfctl_show_fingerprints(opts); 3184 break; 3185 case 'T': 3186 pfctl_show_tables(anchorname, opts); 3187 break; 3188 case 'o': 3189 pfctl_load_fingerprints(dev, opts); 3190 pfctl_show_fingerprints(opts); 3191 break; 3192 case 'I': 3193 pfctl_show_ifaces(ifaceopt, opts); 3194 break; 3195 case 'c': 3196 pfctl_show_creators(opts); 3197 break; 3198 } 3199 } 3200 3201 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL) { 3202 pfctl_show_eth_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3203 anchorname, 0, 0); 3204 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3205 anchorname, 0, 0); 3206 } 3207 3208 if (clearopt != NULL) { 3209 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3210 errx(1, "anchor names beginning with '_' cannot " 3211 "be modified from the command line"); 3212 3213 switch (*clearopt) { 3214 case 'e': 3215 pfctl_flush_eth_rules(dev, opts, anchorname); 3216 break; 3217 case 'r': 3218 pfctl_flush_rules(dev, opts, anchorname); 3219 break; 3220 case 'n': 3221 pfctl_flush_nat(dev, opts, anchorname); 3222 break; 3223 case 'q': 3224 pfctl_clear_altq(dev, opts); 3225 break; 3226 case 's': 3227 pfctl_clear_iface_states(dev, ifaceopt, opts); 3228 break; 3229 case 'S': 3230 pfctl_clear_src_nodes(dev, opts); 3231 break; 3232 case 'i': 3233 pfctl_clear_stats(pfh, opts); 3234 break; 3235 case 'a': 3236 pfctl_flush_eth_rules(dev, opts, anchorname); 3237 pfctl_flush_rules(dev, opts, anchorname); 3238 pfctl_flush_nat(dev, opts, anchorname); 3239 pfctl_clear_tables(anchorname, opts); 3240 if (!*anchorname) { 3241 pfctl_clear_altq(dev, opts); 3242 pfctl_clear_iface_states(dev, ifaceopt, opts); 3243 pfctl_clear_src_nodes(dev, opts); 3244 pfctl_clear_stats(pfh, opts); 3245 pfctl_clear_fingerprints(dev, opts); 3246 pfctl_clear_interface_flags(dev, opts); 3247 } 3248 break; 3249 case 'o': 3250 pfctl_clear_fingerprints(dev, opts); 3251 break; 3252 case 'T': 3253 pfctl_clear_tables(anchorname, opts); 3254 break; 3255 } 3256 } 3257 if (state_killers) { 3258 if (!strcmp(state_kill[0], "label")) 3259 pfctl_label_kill_states(dev, ifaceopt, opts); 3260 else if (!strcmp(state_kill[0], "id")) 3261 pfctl_id_kill_states(dev, ifaceopt, opts); 3262 else if (!strcmp(state_kill[0], "gateway")) 3263 pfctl_gateway_kill_states(dev, ifaceopt, opts); 3264 else 3265 pfctl_net_kill_states(dev, ifaceopt, opts); 3266 } 3267 3268 if (src_node_killers) 3269 pfctl_kill_src_nodes(dev, ifaceopt, opts); 3270 3271 if (tblcmdopt != NULL) { 3272 error = pfctl_command_tables(argc, argv, tableopt, 3273 tblcmdopt, rulesopt, anchorname, opts); 3274 rulesopt = NULL; 3275 } 3276 if (optiopt != NULL) { 3277 switch (*optiopt) { 3278 case 'n': 3279 optimize = 0; 3280 break; 3281 case 'b': 3282 optimize |= PF_OPTIMIZE_BASIC; 3283 break; 3284 case 'o': 3285 case 'p': 3286 optimize |= PF_OPTIMIZE_PROFILE; 3287 break; 3288 } 3289 } 3290 3291 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) && 3292 !anchorname[0] && !(opts & PF_OPT_NOACTION)) 3293 if (pfctl_get_skip_ifaces()) 3294 error = 1; 3295 3296 if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) && 3297 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION)) 3298 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE)) 3299 error = 1; 3300 3301 if (rulesopt != NULL) { 3302 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3303 errx(1, "anchor names beginning with '_' cannot " 3304 "be modified from the command line"); 3305 if (pfctl_rules(dev, rulesopt, opts, optimize, 3306 anchorname, NULL)) 3307 error = 1; 3308 else if (!(opts & PF_OPT_NOACTION) && 3309 (loadopt & PFCTL_FLAG_TABLE)) 3310 warn_namespace_collision(NULL); 3311 } 3312 3313 if (opts & PF_OPT_ENABLE) 3314 if (pfctl_enable(dev, opts)) 3315 error = 1; 3316 3317 if (debugopt != NULL) { 3318 switch (*debugopt) { 3319 case 'n': 3320 pfctl_debug(dev, PF_DEBUG_NONE, opts); 3321 break; 3322 case 'u': 3323 pfctl_debug(dev, PF_DEBUG_URGENT, opts); 3324 break; 3325 case 'm': 3326 pfctl_debug(dev, PF_DEBUG_MISC, opts); 3327 break; 3328 case 'l': 3329 pfctl_debug(dev, PF_DEBUG_NOISY, opts); 3330 break; 3331 } 3332 } 3333 3334 exit(error); 3335 } 3336