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