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