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