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