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 66void usage(void); 67int pfctl_enable(int, int); 68int pfctl_disable(int, int); 69int pfctl_clear_stats(int, int); 70int pfctl_get_skip_ifaces(void); 71int pfctl_check_skip_ifaces(char *); 72int pfctl_adjust_skip_ifaces(struct pfctl *); 73int pfctl_clear_interface_flags(int, int); 74int pfctl_flush_eth_rules(int, int, char *); 75int pfctl_flush_rules(int, int, char *); 76int pfctl_flush_nat(int, int, char *); 77int pfctl_clear_altq(int, int); 78int pfctl_clear_src_nodes(int, int); 79int pfctl_clear_iface_states(int, const char *, int); 80void pfctl_addrprefix(char *, struct pf_addr *); 81int pfctl_kill_src_nodes(int, const char *, int); 82int pfctl_net_kill_states(int, const char *, int); 83int pfctl_gateway_kill_states(int, const char *, int); 84int pfctl_label_kill_states(int, const char *, int); 85int pfctl_id_kill_states(int, const char *, int); 86void pfctl_init_options(struct pfctl *); 87int pfctl_load_options(struct pfctl *); 88int pfctl_load_limit(struct pfctl *, unsigned int, unsigned int); 89int pfctl_load_timeout(struct pfctl *, unsigned int, unsigned int); 90int pfctl_load_debug(struct pfctl *, unsigned int); 91int pfctl_load_logif(struct pfctl *, char *); 92int pfctl_load_hostid(struct pfctl *, u_int32_t); 93int pfctl_load_reassembly(struct pfctl *, u_int32_t); 94int pfctl_load_syncookies(struct pfctl *, u_int8_t); 95int pfctl_get_pool(int, struct pfctl_pool *, u_int32_t, u_int32_t, int, 96 char *); 97void pfctl_print_eth_rule_counters(struct pfctl_eth_rule *, int); 98void pfctl_print_rule_counters(struct pfctl_rule *, int); 99int pfctl_show_eth_rules(int, char *, int, enum pfctl_show, char *, int, int); 100int pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int, int); 101int pfctl_show_nat(int, char *, int, char *, int, int); 102int pfctl_show_src_nodes(int, int); 103int pfctl_show_states(int, const char *, int); 104int pfctl_show_status(int, int); 105int pfctl_show_running(int); 106int pfctl_show_timeouts(int, int); 107int pfctl_show_limits(int, int); 108void pfctl_debug(int, u_int32_t, int); 109int pfctl_test_altqsupport(int, int); 110int pfctl_show_anchors(int, int, char *); 111int pfctl_show_eth_anchors(int, int, char *); 112int pfctl_ruleset_trans(struct pfctl *, char *, struct pfctl_anchor *, bool); 113int pfctl_eth_ruleset_trans(struct pfctl *, char *, 114 struct pfctl_eth_anchor *); 115int pfctl_load_eth_ruleset(struct pfctl *, char *, 116 struct pfctl_eth_ruleset *, int); 117int pfctl_load_eth_rule(struct pfctl *, char *, struct pfctl_eth_rule *, 118 int); 119int pfctl_load_ruleset(struct pfctl *, char *, 120 struct pfctl_ruleset *, int, int); 121int pfctl_load_rule(struct pfctl *, char *, struct pfctl_rule *, int); 122const char *pfctl_lookup_option(char *, const char * const *); 123 124static struct pfctl_anchor_global pf_anchors; 125struct pfctl_anchor pf_main_anchor; 126struct pfctl_eth_anchor pf_eth_main_anchor; 127static struct pfr_buffer skip_b; 128 129static const char *clearopt; 130static char *rulesopt; 131static const char *showopt; 132static const char *debugopt; 133static char *anchoropt; 134static const char *optiopt = NULL; 135static const char *pf_device = PF_DEVICE; 136static char *ifaceopt; 137static char *tableopt; 138static const char *tblcmdopt; 139static int src_node_killers; 140static char *src_node_kill[2]; 141static int state_killers; 142static char *state_kill[2]; 143int loadopt; 144int altqsupport; 145 146int dev = -1; 147struct pfctl_handle *pfh = NULL; 148static int first_title = 1; 149static 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 160static 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 171struct pf_hint { 172 const char *name; 173 int timeout; 174}; 175static 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}; 185static 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}; 195static 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}; 205static 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 216static 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 228static const char * const clearopt_list[] = { 229 "nat", "queue", "rules", "Sources", 230 "states", "info", "Tables", "osfp", "all", 231 "ethernet", NULL 232}; 233 234static 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 240static const char * const tblcmdopt_list[] = { 241 "kill", "flush", "add", "delete", "load", "replace", "show", 242 "test", "zero", "expire", NULL 243}; 244 245static const char * const debugopt_list[] = { 246 "none", "urgent", "misc", "loud", NULL 247}; 248 249static const char * const optiopt_list[] = { 250 "none", "basic", "profile", NULL 251}; 252 253void 254usage(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 */ 286const char * 287pfctl_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 311int 312pfctl_enable(int dev, int opts) 313{ 314 int ret; 315 316 if ((ret = pfctl_startstop(pfh, 1)) != 0) { 317 if (ret == EEXIST) 318 errx(1, "pf already enabled"); 319 else if (ret == ESRCH) 320 errx(1, "pfil registeration failed"); 321 else 322 err(1, "DIOCSTART"); 323 } 324 if ((opts & PF_OPT_QUIET) == 0) 325 fprintf(stderr, "pf enabled\n"); 326 327 if (altqsupport && ioctl(dev, DIOCSTARTALTQ)) 328 if (errno != EEXIST) 329 err(1, "DIOCSTARTALTQ"); 330 331 return (0); 332} 333 334int 335pfctl_disable(int dev, int opts) 336{ 337 int ret; 338 339 if ((ret = pfctl_startstop(pfh, 0)) != 0) { 340 if (ret == ENOENT) 341 errx(1, "pf not enabled"); 342 else 343 err(1, "DIOCSTOP"); 344 } 345 if ((opts & PF_OPT_QUIET) == 0) 346 fprintf(stderr, "pf disabled\n"); 347 348 if (altqsupport && ioctl(dev, DIOCSTOPALTQ)) 349 if (errno != ENOENT) 350 err(1, "DIOCSTOPALTQ"); 351 352 return (0); 353} 354 355int 356pfctl_clear_stats(int dev, int opts) 357{ 358 if (ioctl(dev, DIOCCLRSTATUS)) 359 err(1, "DIOCCLRSTATUS"); 360 if ((opts & PF_OPT_QUIET) == 0) 361 fprintf(stderr, "pf: statistics cleared\n"); 362 return (0); 363} 364 365int 366pfctl_get_skip_ifaces(void) 367{ 368 bzero(&skip_b, sizeof(skip_b)); 369 skip_b.pfrb_type = PFRB_IFACES; 370 for (;;) { 371 pfr_buf_grow(&skip_b, skip_b.pfrb_size); 372 skip_b.pfrb_size = skip_b.pfrb_msize; 373 if (pfi_get_ifaces(NULL, skip_b.pfrb_caddr, &skip_b.pfrb_size)) 374 err(1, "pfi_get_ifaces"); 375 if (skip_b.pfrb_size <= skip_b.pfrb_msize) 376 break; 377 } 378 return (0); 379} 380 381int 382pfctl_check_skip_ifaces(char *ifname) 383{ 384 struct pfi_kif *p; 385 struct node_host *h = NULL, *n = NULL; 386 387 PFRB_FOREACH(p, &skip_b) { 388 if (!strcmp(ifname, p->pfik_name) && 389 (p->pfik_flags & PFI_IFLAG_SKIP)) 390 p->pfik_flags &= ~PFI_IFLAG_SKIP; 391 if (!strcmp(ifname, p->pfik_name) && p->pfik_group != NULL) { 392 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 393 continue; 394 395 for (n = h; n != NULL; n = n->next) { 396 if (p->pfik_ifp == NULL) 397 continue; 398 if (strncmp(p->pfik_name, ifname, IFNAMSIZ)) 399 continue; 400 401 p->pfik_flags &= ~PFI_IFLAG_SKIP; 402 } 403 } 404 } 405 return (0); 406} 407 408int 409pfctl_adjust_skip_ifaces(struct pfctl *pf) 410{ 411 struct pfi_kif *p, *pp; 412 struct node_host *h = NULL, *n = NULL; 413 414 PFRB_FOREACH(p, &skip_b) { 415 if (p->pfik_group == NULL || !(p->pfik_flags & PFI_IFLAG_SKIP)) 416 continue; 417 418 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 419 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 420 continue; 421 422 for (n = h; n != NULL; n = n->next) 423 PFRB_FOREACH(pp, &skip_b) { 424 if (pp->pfik_ifp == NULL) 425 continue; 426 427 if (strncmp(pp->pfik_name, n->ifname, IFNAMSIZ)) 428 continue; 429 430 if (!(pp->pfik_flags & PFI_IFLAG_SKIP)) 431 pfctl_set_interface_flags(pf, 432 pp->pfik_name, PFI_IFLAG_SKIP, 1); 433 if (pp->pfik_flags & PFI_IFLAG_SKIP) 434 pp->pfik_flags &= ~PFI_IFLAG_SKIP; 435 } 436 } 437 438 PFRB_FOREACH(p, &skip_b) { 439 if (p->pfik_ifp == NULL || ! (p->pfik_flags & PFI_IFLAG_SKIP)) 440 continue; 441 442 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 443 } 444 445 return (0); 446} 447 448int 449pfctl_clear_interface_flags(int dev, int opts) 450{ 451 struct pfioc_iface pi; 452 453 if ((opts & PF_OPT_NOACTION) == 0) { 454 bzero(&pi, sizeof(pi)); 455 pi.pfiio_flags = PFI_IFLAG_SKIP; 456 457 if (ioctl(dev, DIOCCLRIFFLAG, &pi)) 458 err(1, "DIOCCLRIFFLAG"); 459 if ((opts & PF_OPT_QUIET) == 0) 460 fprintf(stderr, "pf: interface flags reset\n"); 461 } 462 return (0); 463} 464 465int 466pfctl_flush_eth_rules(int dev, int opts, char *anchorname) 467{ 468 int ret; 469 470 ret = pfctl_clear_eth_rules(dev, anchorname); 471 if (ret != 0) 472 err(1, "pfctl_clear_eth_rules"); 473 474 if ((opts & PF_OPT_QUIET) == 0) 475 fprintf(stderr, "Ethernet rules cleared\n"); 476 477 return (ret); 478} 479 480int 481pfctl_flush_rules(int dev, int opts, char *anchorname) 482{ 483 int ret; 484 485 ret = pfctl_clear_rules(dev, anchorname); 486 if (ret != 0) 487 err(1, "pfctl_clear_rules"); 488 if ((opts & PF_OPT_QUIET) == 0) 489 fprintf(stderr, "rules cleared\n"); 490 return (0); 491} 492 493int 494pfctl_flush_nat(int dev, int opts, char *anchorname) 495{ 496 int ret; 497 498 ret = pfctl_clear_nat(dev, anchorname); 499 if (ret != 0) 500 err(1, "pfctl_clear_nat"); 501 if ((opts & PF_OPT_QUIET) == 0) 502 fprintf(stderr, "nat cleared\n"); 503 return (0); 504} 505 506int 507pfctl_clear_altq(int dev, int opts) 508{ 509 struct pfr_buffer t; 510 511 if (!altqsupport) 512 return (-1); 513 memset(&t, 0, sizeof(t)); 514 t.pfrb_type = PFRB_TRANS; 515 if (pfctl_add_trans(&t, PF_RULESET_ALTQ, "") || 516 pfctl_trans(dev, &t, DIOCXBEGIN, 0) || 517 pfctl_trans(dev, &t, DIOCXCOMMIT, 0)) 518 err(1, "pfctl_clear_altq"); 519 if ((opts & PF_OPT_QUIET) == 0) 520 fprintf(stderr, "altq cleared\n"); 521 return (0); 522} 523 524int 525pfctl_clear_src_nodes(int dev, int opts) 526{ 527 if (ioctl(dev, DIOCCLRSRCNODES)) 528 err(1, "DIOCCLRSRCNODES"); 529 if ((opts & PF_OPT_QUIET) == 0) 530 fprintf(stderr, "source tracking entries cleared\n"); 531 return (0); 532} 533 534int 535pfctl_clear_iface_states(int dev, const char *iface, int opts) 536{ 537 struct pfctl_kill kill; 538 unsigned int killed; 539 540 memset(&kill, 0, sizeof(kill)); 541 if (iface != NULL && strlcpy(kill.ifname, iface, 542 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 543 errx(1, "invalid interface: %s", iface); 544 545 if (opts & PF_OPT_KILLMATCH) 546 kill.kill_match = true; 547 548 if (pfctl_clear_states_h(pfh, &kill, &killed)) 549 err(1, "DIOCCLRSTATES"); 550 if ((opts & PF_OPT_QUIET) == 0) 551 fprintf(stderr, "%d states cleared\n", killed); 552 return (0); 553} 554 555void 556pfctl_addrprefix(char *addr, struct pf_addr *mask) 557{ 558 char *p; 559 const char *errstr; 560 int prefix, ret_ga, q, r; 561 struct addrinfo hints, *res; 562 563 if ((p = strchr(addr, '/')) == NULL) 564 return; 565 566 *p++ = '\0'; 567 prefix = strtonum(p, 0, 128, &errstr); 568 if (errstr) 569 errx(1, "prefix is %s: %s", errstr, p); 570 571 bzero(&hints, sizeof(hints)); 572 /* prefix only with numeric addresses */ 573 hints.ai_flags |= AI_NUMERICHOST; 574 575 if ((ret_ga = getaddrinfo(addr, NULL, &hints, &res))) { 576 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 577 /* NOTREACHED */ 578 } 579 580 if (res->ai_family == AF_INET && prefix > 32) 581 errx(1, "prefix too long for AF_INET"); 582 else if (res->ai_family == AF_INET6 && prefix > 128) 583 errx(1, "prefix too long for AF_INET6"); 584 585 q = prefix >> 3; 586 r = prefix & 7; 587 switch (res->ai_family) { 588 case AF_INET: 589 bzero(&mask->v4, sizeof(mask->v4)); 590 mask->v4.s_addr = htonl((u_int32_t) 591 (0xffffffffffULL << (32 - prefix))); 592 break; 593 case AF_INET6: 594 bzero(&mask->v6, sizeof(mask->v6)); 595 if (q > 0) 596 memset((void *)&mask->v6, 0xff, q); 597 if (r > 0) 598 *((u_char *)&mask->v6 + q) = 599 (0xff00 >> r) & 0xff; 600 break; 601 } 602 freeaddrinfo(res); 603} 604 605int 606pfctl_kill_src_nodes(int dev, const char *iface, int opts) 607{ 608 struct pfioc_src_node_kill psnk; 609 struct addrinfo *res[2], *resp[2]; 610 struct sockaddr last_src, last_dst; 611 int killed, sources, dests; 612 int ret_ga; 613 614 killed = sources = dests = 0; 615 616 memset(&psnk, 0, sizeof(psnk)); 617 memset(&psnk.psnk_src.addr.v.a.mask, 0xff, 618 sizeof(psnk.psnk_src.addr.v.a.mask)); 619 memset(&last_src, 0xff, sizeof(last_src)); 620 memset(&last_dst, 0xff, sizeof(last_dst)); 621 622 pfctl_addrprefix(src_node_kill[0], &psnk.psnk_src.addr.v.a.mask); 623 624 if ((ret_ga = getaddrinfo(src_node_kill[0], NULL, NULL, &res[0]))) { 625 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 626 /* NOTREACHED */ 627 } 628 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 629 if (resp[0]->ai_addr == NULL) 630 continue; 631 /* We get lots of duplicates. Catch the easy ones */ 632 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 633 continue; 634 last_src = *(struct sockaddr *)resp[0]->ai_addr; 635 636 psnk.psnk_af = resp[0]->ai_family; 637 sources++; 638 639 if (psnk.psnk_af == AF_INET) 640 psnk.psnk_src.addr.v.a.addr.v4 = 641 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 642 else if (psnk.psnk_af == AF_INET6) 643 psnk.psnk_src.addr.v.a.addr.v6 = 644 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 645 sin6_addr; 646 else 647 errx(1, "Unknown address family %d", psnk.psnk_af); 648 649 if (src_node_killers > 1) { 650 dests = 0; 651 memset(&psnk.psnk_dst.addr.v.a.mask, 0xff, 652 sizeof(psnk.psnk_dst.addr.v.a.mask)); 653 memset(&last_dst, 0xff, sizeof(last_dst)); 654 pfctl_addrprefix(src_node_kill[1], 655 &psnk.psnk_dst.addr.v.a.mask); 656 if ((ret_ga = getaddrinfo(src_node_kill[1], NULL, NULL, 657 &res[1]))) { 658 errx(1, "getaddrinfo: %s", 659 gai_strerror(ret_ga)); 660 /* NOTREACHED */ 661 } 662 for (resp[1] = res[1]; resp[1]; 663 resp[1] = resp[1]->ai_next) { 664 if (resp[1]->ai_addr == NULL) 665 continue; 666 if (psnk.psnk_af != resp[1]->ai_family) 667 continue; 668 669 if (memcmp(&last_dst, resp[1]->ai_addr, 670 sizeof(last_dst)) == 0) 671 continue; 672 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 673 674 dests++; 675 676 if (psnk.psnk_af == AF_INET) 677 psnk.psnk_dst.addr.v.a.addr.v4 = 678 ((struct sockaddr_in *)resp[1]-> 679 ai_addr)->sin_addr; 680 else if (psnk.psnk_af == AF_INET6) 681 psnk.psnk_dst.addr.v.a.addr.v6 = 682 ((struct sockaddr_in6 *)resp[1]-> 683 ai_addr)->sin6_addr; 684 else 685 errx(1, "Unknown address family %d", 686 psnk.psnk_af); 687 688 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 689 err(1, "DIOCKILLSRCNODES"); 690 killed += psnk.psnk_killed; 691 } 692 freeaddrinfo(res[1]); 693 } else { 694 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 695 err(1, "DIOCKILLSRCNODES"); 696 killed += psnk.psnk_killed; 697 } 698 } 699 700 freeaddrinfo(res[0]); 701 702 if ((opts & PF_OPT_QUIET) == 0) 703 fprintf(stderr, "killed %d src nodes from %d sources and %d " 704 "destinations\n", killed, sources, dests); 705 return (0); 706} 707 708int 709pfctl_net_kill_states(int dev, const char *iface, int opts) 710{ 711 struct pfctl_kill kill; 712 struct addrinfo *res[2], *resp[2]; 713 struct sockaddr last_src, last_dst; 714 unsigned int newkilled; 715 int killed, sources, dests; 716 int ret_ga; 717 718 killed = sources = dests = 0; 719 720 memset(&kill, 0, sizeof(kill)); 721 memset(&kill.src.addr.v.a.mask, 0xff, 722 sizeof(kill.src.addr.v.a.mask)); 723 memset(&last_src, 0xff, sizeof(last_src)); 724 memset(&last_dst, 0xff, sizeof(last_dst)); 725 if (iface != NULL && strlcpy(kill.ifname, iface, 726 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 727 errx(1, "invalid interface: %s", iface); 728 729 if (state_killers == 2 && (strcmp(state_kill[0], "nat") == 0)) { 730 kill.nat = true; 731 state_kill[0] = state_kill[1]; 732 state_killers = 1; 733 } 734 735 pfctl_addrprefix(state_kill[0], &kill.src.addr.v.a.mask); 736 737 if (opts & PF_OPT_KILLMATCH) 738 kill.kill_match = true; 739 740 if ((ret_ga = getaddrinfo(state_kill[0], NULL, NULL, &res[0]))) { 741 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 742 /* NOTREACHED */ 743 } 744 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 745 if (resp[0]->ai_addr == NULL) 746 continue; 747 /* We get lots of duplicates. Catch the easy ones */ 748 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 749 continue; 750 last_src = *(struct sockaddr *)resp[0]->ai_addr; 751 752 kill.af = resp[0]->ai_family; 753 sources++; 754 755 if (kill.af == AF_INET) 756 kill.src.addr.v.a.addr.v4 = 757 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 758 else if (kill.af == AF_INET6) 759 kill.src.addr.v.a.addr.v6 = 760 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 761 sin6_addr; 762 else 763 errx(1, "Unknown address family %d", kill.af); 764 765 if (state_killers > 1) { 766 dests = 0; 767 memset(&kill.dst.addr.v.a.mask, 0xff, 768 sizeof(kill.dst.addr.v.a.mask)); 769 memset(&last_dst, 0xff, sizeof(last_dst)); 770 pfctl_addrprefix(state_kill[1], 771 &kill.dst.addr.v.a.mask); 772 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, 773 &res[1]))) { 774 errx(1, "getaddrinfo: %s", 775 gai_strerror(ret_ga)); 776 /* NOTREACHED */ 777 } 778 for (resp[1] = res[1]; resp[1]; 779 resp[1] = resp[1]->ai_next) { 780 if (resp[1]->ai_addr == NULL) 781 continue; 782 if (kill.af != resp[1]->ai_family) 783 continue; 784 785 if (memcmp(&last_dst, resp[1]->ai_addr, 786 sizeof(last_dst)) == 0) 787 continue; 788 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 789 790 dests++; 791 792 if (kill.af == AF_INET) 793 kill.dst.addr.v.a.addr.v4 = 794 ((struct sockaddr_in *)resp[1]-> 795 ai_addr)->sin_addr; 796 else if (kill.af == AF_INET6) 797 kill.dst.addr.v.a.addr.v6 = 798 ((struct sockaddr_in6 *)resp[1]-> 799 ai_addr)->sin6_addr; 800 else 801 errx(1, "Unknown address family %d", 802 kill.af); 803 804 if (pfctl_kill_states_h(pfh, &kill, &newkilled)) 805 err(1, "DIOCKILLSTATES"); 806 killed += newkilled; 807 } 808 freeaddrinfo(res[1]); 809 } else { 810 if (pfctl_kill_states_h(pfh, &kill, &newkilled)) 811 err(1, "DIOCKILLSTATES"); 812 killed += newkilled; 813 } 814 } 815 816 freeaddrinfo(res[0]); 817 818 if ((opts & PF_OPT_QUIET) == 0) 819 fprintf(stderr, "killed %d states from %d sources and %d " 820 "destinations\n", killed, sources, dests); 821 return (0); 822} 823 824int 825pfctl_gateway_kill_states(int dev, const char *iface, int opts) 826{ 827 struct pfctl_kill kill; 828 struct addrinfo *res, *resp; 829 struct sockaddr last_src; 830 unsigned int newkilled; 831 int killed = 0; 832 int ret_ga; 833 834 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 835 warnx("no gateway specified"); 836 usage(); 837 } 838 839 memset(&kill, 0, sizeof(kill)); 840 memset(&kill.rt_addr.addr.v.a.mask, 0xff, 841 sizeof(kill.rt_addr.addr.v.a.mask)); 842 memset(&last_src, 0xff, sizeof(last_src)); 843 if (iface != NULL && strlcpy(kill.ifname, iface, 844 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 845 errx(1, "invalid interface: %s", iface); 846 847 if (opts & PF_OPT_KILLMATCH) 848 kill.kill_match = true; 849 850 pfctl_addrprefix(state_kill[1], &kill.rt_addr.addr.v.a.mask); 851 852 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, &res))) { 853 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 854 /* NOTREACHED */ 855 } 856 for (resp = res; resp; resp = resp->ai_next) { 857 if (resp->ai_addr == NULL) 858 continue; 859 /* We get lots of duplicates. Catch the easy ones */ 860 if (memcmp(&last_src, resp->ai_addr, sizeof(last_src)) == 0) 861 continue; 862 last_src = *(struct sockaddr *)resp->ai_addr; 863 864 kill.af = resp->ai_family; 865 866 if (kill.af == AF_INET) 867 kill.rt_addr.addr.v.a.addr.v4 = 868 ((struct sockaddr_in *)resp->ai_addr)->sin_addr; 869 else if (kill.af == AF_INET6) 870 kill.rt_addr.addr.v.a.addr.v6 = 871 ((struct sockaddr_in6 *)resp->ai_addr)-> 872 sin6_addr; 873 else 874 errx(1, "Unknown address family %d", kill.af); 875 876 if (pfctl_kill_states_h(pfh, &kill, &newkilled)) 877 err(1, "DIOCKILLSTATES"); 878 killed += newkilled; 879 } 880 881 freeaddrinfo(res); 882 883 if ((opts & PF_OPT_QUIET) == 0) 884 fprintf(stderr, "killed %d states\n", killed); 885 return (0); 886} 887 888int 889pfctl_label_kill_states(int dev, const char *iface, int opts) 890{ 891 struct pfctl_kill kill; 892 unsigned int killed; 893 894 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 895 warnx("no label specified"); 896 usage(); 897 } 898 memset(&kill, 0, sizeof(kill)); 899 if (iface != NULL && strlcpy(kill.ifname, iface, 900 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 901 errx(1, "invalid interface: %s", iface); 902 903 if (opts & PF_OPT_KILLMATCH) 904 kill.kill_match = true; 905 906 if (strlcpy(kill.label, state_kill[1], sizeof(kill.label)) >= 907 sizeof(kill.label)) 908 errx(1, "label too long: %s", state_kill[1]); 909 910 if (pfctl_kill_states_h(pfh, &kill, &killed)) 911 err(1, "DIOCKILLSTATES"); 912 913 if ((opts & PF_OPT_QUIET) == 0) 914 fprintf(stderr, "killed %d states\n", killed); 915 916 return (0); 917} 918 919int 920pfctl_id_kill_states(int dev, const char *iface, int opts) 921{ 922 struct pfctl_kill kill; 923 unsigned int killed; 924 925 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 926 warnx("no id specified"); 927 usage(); 928 } 929 930 memset(&kill, 0, sizeof(kill)); 931 932 if (opts & PF_OPT_KILLMATCH) 933 kill.kill_match = true; 934 935 if ((sscanf(state_kill[1], "%jx/%x", 936 &kill.cmp.id, &kill.cmp.creatorid)) == 2) { 937 } 938 else if ((sscanf(state_kill[1], "%jx", &kill.cmp.id)) == 1) { 939 kill.cmp.creatorid = 0; 940 } else { 941 warnx("wrong id format specified"); 942 usage(); 943 } 944 if (kill.cmp.id == 0) { 945 warnx("cannot kill id 0"); 946 usage(); 947 } 948 949 if (pfctl_kill_states_h(pfh, &kill, &killed)) 950 err(1, "DIOCKILLSTATES"); 951 952 if ((opts & PF_OPT_QUIET) == 0) 953 fprintf(stderr, "killed %d states\n", killed); 954 955 return (0); 956} 957 958int 959pfctl_get_pool(int dev, struct pfctl_pool *pool, u_int32_t nr, 960 u_int32_t ticket, int r_action, char *anchorname) 961{ 962 struct pfioc_pooladdr pp; 963 struct pf_pooladdr *pa; 964 u_int32_t pnr, mpnr; 965 966 memset(&pp, 0, sizeof(pp)); 967 memcpy(pp.anchor, anchorname, sizeof(pp.anchor)); 968 pp.r_action = r_action; 969 pp.r_num = nr; 970 pp.ticket = ticket; 971 if (ioctl(dev, DIOCGETADDRS, &pp)) { 972 warn("DIOCGETADDRS"); 973 return (-1); 974 } 975 mpnr = pp.nr; 976 TAILQ_INIT(&pool->list); 977 for (pnr = 0; pnr < mpnr; ++pnr) { 978 pp.nr = pnr; 979 if (ioctl(dev, DIOCGETADDR, &pp)) { 980 warn("DIOCGETADDR"); 981 return (-1); 982 } 983 pa = calloc(1, sizeof(struct pf_pooladdr)); 984 if (pa == NULL) 985 err(1, "calloc"); 986 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr)); 987 TAILQ_INSERT_TAIL(&pool->list, pa, entries); 988 } 989 990 return (0); 991} 992 993void 994pfctl_move_pool(struct pfctl_pool *src, struct pfctl_pool *dst) 995{ 996 struct pf_pooladdr *pa; 997 998 while ((pa = TAILQ_FIRST(&src->list)) != NULL) { 999 TAILQ_REMOVE(&src->list, pa, entries); 1000 TAILQ_INSERT_TAIL(&dst->list, pa, entries); 1001 } 1002} 1003 1004void 1005pfctl_clear_pool(struct pfctl_pool *pool) 1006{ 1007 struct pf_pooladdr *pa; 1008 1009 while ((pa = TAILQ_FIRST(&pool->list)) != NULL) { 1010 TAILQ_REMOVE(&pool->list, pa, entries); 1011 free(pa); 1012 } 1013} 1014 1015void 1016pfctl_print_eth_rule_counters(struct pfctl_eth_rule *rule, int opts) 1017{ 1018 if (opts & PF_OPT_VERBOSE) { 1019 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1020 "Bytes: %-10llu]\n", 1021 (unsigned long long)rule->evaluations, 1022 (unsigned long long)(rule->packets[0] + 1023 rule->packets[1]), 1024 (unsigned long long)(rule->bytes[0] + 1025 rule->bytes[1])); 1026 } 1027 if (opts & PF_OPT_VERBOSE2) { 1028 char timestr[30]; 1029 1030 if (rule->last_active_timestamp != 0) { 1031 bcopy(ctime(&rule->last_active_timestamp), timestr, 1032 sizeof(timestr)); 1033 *strchr(timestr, '\n') = '\0'; 1034 } else { 1035 snprintf(timestr, sizeof(timestr), "N/A"); 1036 } 1037 printf(" [ Last Active Time: %s ]\n", timestr); 1038 } 1039} 1040 1041void 1042pfctl_print_rule_counters(struct pfctl_rule *rule, int opts) 1043{ 1044 if (opts & PF_OPT_DEBUG) { 1045 const char *t[PF_SKIP_COUNT] = { "i", "d", "f", 1046 "p", "sa", "sp", "da", "dp" }; 1047 int i; 1048 1049 printf(" [ Skip steps: "); 1050 for (i = 0; i < PF_SKIP_COUNT; ++i) { 1051 if (rule->skip[i].nr == rule->nr + 1) 1052 continue; 1053 printf("%s=", t[i]); 1054 if (rule->skip[i].nr == -1) 1055 printf("end "); 1056 else 1057 printf("%u ", rule->skip[i].nr); 1058 } 1059 printf("]\n"); 1060 1061 printf(" [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n", 1062 rule->qname, rule->qid, rule->pqname, rule->pqid); 1063 } 1064 if (opts & PF_OPT_VERBOSE) { 1065 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1066 "Bytes: %-10llu States: %-6ju]\n", 1067 (unsigned long long)rule->evaluations, 1068 (unsigned long long)(rule->packets[0] + 1069 rule->packets[1]), 1070 (unsigned long long)(rule->bytes[0] + 1071 rule->bytes[1]), (uintmax_t)rule->states_cur); 1072 if (!(opts & PF_OPT_DEBUG)) 1073 printf(" [ Inserted: uid %u pid %u " 1074 "State Creations: %-6ju]\n", 1075 (unsigned)rule->cuid, (unsigned)rule->cpid, 1076 (uintmax_t)rule->states_tot); 1077 } 1078 if (opts & PF_OPT_VERBOSE2) { 1079 char timestr[30]; 1080 if (rule->last_active_timestamp != 0) { 1081 bcopy(ctime(&rule->last_active_timestamp), timestr, 1082 sizeof(timestr)); 1083 *strchr(timestr, '\n') = '\0'; 1084 } else { 1085 snprintf(timestr, sizeof(timestr), "N/A"); 1086 } 1087 printf(" [ Last Active Time: %s ]\n", timestr); 1088 } 1089} 1090 1091void 1092pfctl_print_title(char *title) 1093{ 1094 if (!first_title) 1095 printf("\n"); 1096 first_title = 0; 1097 printf("%s\n", title); 1098} 1099 1100int 1101pfctl_show_eth_rules(int dev, char *path, int opts, enum pfctl_show format, 1102 char *anchorname, int depth, int wildcard) 1103{ 1104 char anchor_call[MAXPATHLEN]; 1105 struct pfctl_eth_rules_info info; 1106 struct pfctl_eth_rule rule; 1107 int brace; 1108 int dotitle = opts & PF_OPT_SHOWALL; 1109 int len = strlen(path); 1110 char *npath, *p; 1111 1112 /* 1113 * Truncate a trailing / and * on an anchorname before searching for 1114 * the ruleset, this is syntactic sugar that doesn't actually make it 1115 * to the kernel. 1116 */ 1117 if ((p = strrchr(anchorname, '/')) != NULL && 1118 p[1] == '*' && p[2] == '\0') { 1119 p[0] = '\0'; 1120 } 1121 1122 if (anchorname[0] == '/') { 1123 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1124 errx(1, "pfctl_rules: calloc"); 1125 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1126 } else { 1127 if (path[0]) 1128 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1129 else 1130 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1131 npath = path; 1132 } 1133 1134 /* 1135 * If this anchor was called with a wildcard path, go through 1136 * the rulesets in the anchor rather than the rules. 1137 */ 1138 if (wildcard && (opts & PF_OPT_RECURSE)) { 1139 struct pfctl_eth_rulesets_info ri; 1140 u_int32_t mnr, nr; 1141 1142 if (pfctl_get_eth_rulesets_info(dev, &ri, npath)) { 1143 if (errno == EINVAL) { 1144 fprintf(stderr, "Anchor '%s' " 1145 "not found.\n", anchorname); 1146 } else { 1147 warn("DIOCGETETHRULESETS"); 1148 return (-1); 1149 } 1150 } 1151 mnr = ri.nr; 1152 1153 pfctl_print_eth_rule_counters(&rule, opts); 1154 for (nr = 0; nr < mnr; ++nr) { 1155 struct pfctl_eth_ruleset_info rs; 1156 1157 if (pfctl_get_eth_ruleset(dev, npath, nr, &rs)) 1158 err(1, "DIOCGETETHRULESET"); 1159 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1160 printf("anchor \"%s\" all {\n", rs.name); 1161 pfctl_show_eth_rules(dev, npath, opts, 1162 format, rs.name, depth + 1, 0); 1163 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1164 printf("}\n"); 1165 } 1166 path[len] = '\0'; 1167 return (0); 1168 } 1169 1170 if (pfctl_get_eth_rules_info(dev, &info, path)) { 1171 warn("DIOCGETETHRULES"); 1172 return (-1); 1173 } 1174 for (int nr = 0; nr < info.nr; nr++) { 1175 brace = 0; 1176 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1177 if (pfctl_get_eth_rule(dev, nr, info.ticket, path, &rule, 1178 opts & PF_OPT_CLRRULECTRS, anchor_call) != 0) { 1179 warn("DIOCGETETHRULE"); 1180 return (-1); 1181 } 1182 if (anchor_call[0] && 1183 ((((p = strrchr(anchor_call, '_')) != NULL) && 1184 (p == anchor_call || 1185 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) { 1186 brace++; 1187 int aclen = strlen(anchor_call); 1188 if (anchor_call[aclen - 1] == '*') 1189 anchor_call[aclen - 2] = '\0'; 1190 } 1191 p = &anchor_call[0]; 1192 if (dotitle) { 1193 pfctl_print_title("ETH RULES:"); 1194 dotitle = 0; 1195 } 1196 print_eth_rule(&rule, anchor_call, 1197 opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1198 if (brace) 1199 printf(" {\n"); 1200 else 1201 printf("\n"); 1202 pfctl_print_eth_rule_counters(&rule, opts); 1203 if (brace) { 1204 pfctl_show_eth_rules(dev, path, opts, format, 1205 p, depth + 1, rule.anchor_wildcard); 1206 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1207 printf("}\n"); 1208 } 1209 } 1210 1211 path[len] = '\0'; 1212 return (0); 1213} 1214 1215int 1216pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format, 1217 char *anchorname, int depth, int wildcard) 1218{ 1219 struct pfctl_rules_info ri; 1220 struct pfctl_rule rule; 1221 char anchor_call[MAXPATHLEN]; 1222 u_int32_t nr, header = 0; 1223 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 1224 int numeric = opts & PF_OPT_NUMERIC; 1225 int len = strlen(path), ret = 0; 1226 char *npath, *p; 1227 1228 /* 1229 * Truncate a trailing / and * on an anchorname before searching for 1230 * the ruleset, this is syntactic sugar that doesn't actually make it 1231 * to the kernel. 1232 */ 1233 if ((p = strrchr(anchorname, '/')) != NULL && 1234 p[1] == '*' && p[2] == '\0') { 1235 p[0] = '\0'; 1236 } 1237 1238 if (anchorname[0] == '/') { 1239 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1240 errx(1, "pfctl_rules: calloc"); 1241 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1242 } else { 1243 if (path[0]) 1244 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1245 else 1246 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1247 npath = path; 1248 } 1249 1250 /* 1251 * If this anchor was called with a wildcard path, go through 1252 * the rulesets in the anchor rather than the rules. 1253 */ 1254 if (wildcard && (opts & PF_OPT_RECURSE)) { 1255 struct pfioc_ruleset prs; 1256 u_int32_t mnr, nr; 1257 1258 memset(&prs, 0, sizeof(prs)); 1259 memcpy(prs.path, npath, sizeof(prs.path)); 1260 if (ioctl(dev, DIOCGETRULESETS, &prs)) { 1261 if (errno == EINVAL) 1262 fprintf(stderr, "Anchor '%s' " 1263 "not found.\n", anchorname); 1264 else 1265 err(1, "DIOCGETRULESETS"); 1266 } 1267 mnr = prs.nr; 1268 1269 pfctl_print_rule_counters(&rule, opts); 1270 for (nr = 0; nr < mnr; ++nr) { 1271 prs.nr = nr; 1272 if (ioctl(dev, DIOCGETRULESET, &prs)) 1273 err(1, "DIOCGETRULESET"); 1274 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1275 printf("anchor \"%s\" all {\n", prs.name); 1276 pfctl_show_rules(dev, npath, opts, 1277 format, prs.name, depth + 1, 0); 1278 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1279 printf("}\n"); 1280 } 1281 path[len] = '\0'; 1282 return (0); 1283 } 1284 1285 if (opts & PF_OPT_SHOWALL) { 1286 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1287 if (ret != 0) { 1288 warn("DIOCGETRULES"); 1289 goto error; 1290 } 1291 header++; 1292 } 1293 ret = pfctl_get_rules_info_h(pfh, &ri, PF_SCRUB, path); 1294 if (ret != 0) { 1295 warn("DIOCGETRULES"); 1296 goto error; 1297 } 1298 if (opts & PF_OPT_SHOWALL) { 1299 if (format == PFCTL_SHOW_RULES && (ri.nr > 0 || header)) 1300 pfctl_print_title("FILTER RULES:"); 1301 else if (format == PFCTL_SHOW_LABELS && labels) 1302 pfctl_print_title("LABEL COUNTERS:"); 1303 } 1304 1305 for (nr = 0; nr < ri.nr; ++nr) { 1306 if (pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_SCRUB, 1307 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) { 1308 warn("DIOCGETRULENV"); 1309 goto error; 1310 } 1311 1312 if (pfctl_get_pool(dev, &rule.rpool, 1313 nr, ri.ticket, PF_SCRUB, path) != 0) 1314 goto error; 1315 1316 switch (format) { 1317 case PFCTL_SHOW_LABELS: 1318 break; 1319 case PFCTL_SHOW_RULES: 1320 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1321 labels = 1; 1322 print_rule(&rule, anchor_call, rule_numbers, numeric); 1323 printf("\n"); 1324 pfctl_print_rule_counters(&rule, opts); 1325 break; 1326 case PFCTL_SHOW_NOTHING: 1327 break; 1328 } 1329 pfctl_clear_pool(&rule.rpool); 1330 } 1331 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1332 if (ret != 0) { 1333 warn("DIOCGETRULES"); 1334 goto error; 1335 } 1336 for (nr = 0; nr < ri.nr; ++nr) { 1337 if (pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_PASS, 1338 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) { 1339 warn("DIOCGETRULE"); 1340 goto error; 1341 } 1342 1343 if (pfctl_get_pool(dev, &rule.rpool, 1344 nr, ri.ticket, PF_PASS, path) != 0) 1345 goto error; 1346 1347 switch (format) { 1348 case PFCTL_SHOW_LABELS: { 1349 bool show = false; 1350 int i = 0; 1351 1352 while (rule.label[i][0]) { 1353 printf("%s ", rule.label[i++]); 1354 show = true; 1355 } 1356 1357 if (show) { 1358 printf("%llu %llu %llu %llu" 1359 " %llu %llu %llu %ju\n", 1360 (unsigned long long)rule.evaluations, 1361 (unsigned long long)(rule.packets[0] + 1362 rule.packets[1]), 1363 (unsigned long long)(rule.bytes[0] + 1364 rule.bytes[1]), 1365 (unsigned long long)rule.packets[0], 1366 (unsigned long long)rule.bytes[0], 1367 (unsigned long long)rule.packets[1], 1368 (unsigned long long)rule.bytes[1], 1369 (uintmax_t)rule.states_tot); 1370 } 1371 1372 if (anchor_call[0] && 1373 (((p = strrchr(anchor_call, '/')) ? 1374 p[1] == '_' : anchor_call[0] == '_') || 1375 opts & PF_OPT_RECURSE)) { 1376 pfctl_show_rules(dev, npath, opts, format, 1377 anchor_call, depth, rule.anchor_wildcard); 1378 } 1379 break; 1380 } 1381 case PFCTL_SHOW_RULES: 1382 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1383 labels = 1; 1384 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1385 print_rule(&rule, anchor_call, rule_numbers, numeric); 1386 1387 /* 1388 * If this is a 'unnamed' brace notation 1389 * anchor, OR the user has explicitly requested 1390 * recursion, print it recursively. 1391 */ 1392 if (anchor_call[0] && 1393 (((p = strrchr(anchor_call, '/')) ? 1394 p[1] == '_' : anchor_call[0] == '_') || 1395 opts & PF_OPT_RECURSE)) { 1396 printf(" {\n"); 1397 pfctl_print_rule_counters(&rule, opts); 1398 pfctl_show_rules(dev, npath, opts, format, 1399 anchor_call, depth + 1, 1400 rule.anchor_wildcard); 1401 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1402 printf("}\n"); 1403 } else { 1404 printf("\n"); 1405 pfctl_print_rule_counters(&rule, opts); 1406 } 1407 break; 1408 case PFCTL_SHOW_NOTHING: 1409 break; 1410 } 1411 pfctl_clear_pool(&rule.rpool); 1412 } 1413 1414 error: 1415 path[len] = '\0'; 1416 return (ret); 1417} 1418 1419int 1420pfctl_show_nat(int dev, char *path, int opts, char *anchorname, int depth, 1421 int wildcard) 1422{ 1423 struct pfctl_rules_info ri; 1424 struct pfctl_rule rule; 1425 char anchor_call[MAXPATHLEN]; 1426 u_int32_t nr; 1427 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT }; 1428 int i, dotitle = opts & PF_OPT_SHOWALL; 1429 int ret; 1430 int len = strlen(path); 1431 char *npath, *p; 1432 1433 /* 1434 * Truncate a trailing / and * on an anchorname before searching for 1435 * the ruleset, this is syntactic sugar that doesn't actually make it 1436 * to the kernel. 1437 */ 1438 if ((p = strrchr(anchorname, '/')) != NULL && 1439 p[1] == '*' && p[2] == '\0') { 1440 p[0] = '\0'; 1441 } 1442 1443 if (anchorname[0] == '/') { 1444 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1445 errx(1, "pfctl_rules: calloc"); 1446 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1447 } else { 1448 if (path[0]) 1449 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1450 else 1451 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1452 npath = path; 1453 } 1454 1455 /* 1456 * If this anchor was called with a wildcard path, go through 1457 * the rulesets in the anchor rather than the rules. 1458 */ 1459 if (wildcard && (opts & PF_OPT_RECURSE)) { 1460 struct pfioc_ruleset prs; 1461 u_int32_t mnr, nr; 1462 memset(&prs, 0, sizeof(prs)); 1463 memcpy(prs.path, npath, sizeof(prs.path)); 1464 if (ioctl(dev, DIOCGETRULESETS, &prs)) { 1465 if (errno == EINVAL) 1466 fprintf(stderr, "NAT anchor '%s' " 1467 "not found.\n", anchorname); 1468 else 1469 err(1, "DIOCGETRULESETS"); 1470 } 1471 mnr = prs.nr; 1472 1473 pfctl_print_rule_counters(&rule, opts); 1474 for (nr = 0; nr < mnr; ++nr) { 1475 prs.nr = nr; 1476 if (ioctl(dev, DIOCGETRULESET, &prs)) 1477 err(1, "DIOCGETRULESET"); 1478 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1479 printf("nat-anchor \"%s\" all {\n", prs.name); 1480 pfctl_show_nat(dev, npath, opts, 1481 prs.name, depth + 1, 0); 1482 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1483 printf("}\n"); 1484 } 1485 path[len] = '\0'; 1486 return (0); 1487 } 1488 1489 for (i = 0; i < 3; i++) { 1490 ret = pfctl_get_rules_info_h(pfh, &ri, nattype[i], path); 1491 if (ret != 0) { 1492 warn("DIOCGETRULES"); 1493 return (-1); 1494 } 1495 for (nr = 0; nr < ri.nr; ++nr) { 1496 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1497 1498 if (pfctl_get_rule_h(pfh, nr, ri.ticket, path, 1499 nattype[i], &rule, anchor_call)) { 1500 warn("DIOCGETRULE"); 1501 return (-1); 1502 } 1503 if (pfctl_get_pool(dev, &rule.rpool, nr, 1504 ri.ticket, nattype[i], path) != 0) 1505 return (-1); 1506 1507 if (dotitle) { 1508 pfctl_print_title("TRANSLATION RULES:"); 1509 dotitle = 0; 1510 } 1511 print_rule(&rule, anchor_call, 1512 opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC); 1513 if (anchor_call[0] && 1514 (((p = strrchr(anchor_call, '/')) ? 1515 p[1] == '_' : anchor_call[0] == '_') || 1516 opts & PF_OPT_RECURSE)) { 1517 printf(" {\n"); 1518 pfctl_print_rule_counters(&rule, opts); 1519 pfctl_show_nat(dev, npath, opts, anchor_call, 1520 depth + 1, rule.anchor_wildcard); 1521 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1522 printf("}\n"); 1523 } else { 1524 printf("\n"); 1525 pfctl_print_rule_counters(&rule, opts); 1526 } 1527 } 1528 } 1529 return (0); 1530} 1531 1532int 1533pfctl_show_src_nodes(int dev, int opts) 1534{ 1535 struct pfioc_src_nodes psn; 1536 struct pf_src_node *p; 1537 char *inbuf = NULL, *newinbuf = NULL; 1538 unsigned int len = 0; 1539 int i; 1540 1541 memset(&psn, 0, sizeof(psn)); 1542 for (;;) { 1543 psn.psn_len = len; 1544 if (len) { 1545 newinbuf = realloc(inbuf, len); 1546 if (newinbuf == NULL) 1547 err(1, "realloc"); 1548 psn.psn_buf = inbuf = newinbuf; 1549 } 1550 if (ioctl(dev, DIOCGETSRCNODES, &psn) < 0) { 1551 warn("DIOCGETSRCNODES"); 1552 free(inbuf); 1553 return (-1); 1554 } 1555 if (psn.psn_len + sizeof(struct pfioc_src_nodes) < len) 1556 break; 1557 if (len == 0 && psn.psn_len == 0) 1558 goto done; 1559 if (len == 0 && psn.psn_len != 0) 1560 len = psn.psn_len; 1561 if (psn.psn_len == 0) 1562 goto done; /* no src_nodes */ 1563 len *= 2; 1564 } 1565 p = psn.psn_src_nodes; 1566 if (psn.psn_len > 0 && (opts & PF_OPT_SHOWALL)) 1567 pfctl_print_title("SOURCE TRACKING NODES:"); 1568 for (i = 0; i < psn.psn_len; i += sizeof(*p)) { 1569 print_src_node(p, opts); 1570 p++; 1571 } 1572done: 1573 free(inbuf); 1574 return (0); 1575} 1576 1577struct pfctl_show_state_arg { 1578 int opts; 1579 int dotitle; 1580 const char *iface; 1581}; 1582 1583static int 1584pfctl_show_state(struct pfctl_state *s, void *arg) 1585{ 1586 struct pfctl_show_state_arg *a = (struct pfctl_show_state_arg *)arg; 1587 1588 if (a->dotitle) { 1589 pfctl_print_title("STATES:"); 1590 a->dotitle = 0; 1591 } 1592 print_state(s, a->opts); 1593 1594 return (0); 1595} 1596 1597int 1598pfctl_show_states(int dev, const char *iface, int opts) 1599{ 1600 struct pfctl_show_state_arg arg; 1601 struct pfctl_state_filter filter = {}; 1602 1603 if (iface != NULL) 1604 strncpy(filter.ifname, iface, IFNAMSIZ); 1605 1606 arg.opts = opts; 1607 arg.dotitle = opts & PF_OPT_SHOWALL; 1608 arg.iface = iface; 1609 1610 if (pfctl_get_filtered_states_iter(&filter, pfctl_show_state, &arg)) 1611 return (-1); 1612 1613 return (0); 1614} 1615 1616int 1617pfctl_show_status(int dev, int opts) 1618{ 1619 struct pfctl_status *status; 1620 struct pfctl_syncookies cookies; 1621 1622 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1623 warn("DIOCGETSTATUS"); 1624 return (-1); 1625 } 1626 if (pfctl_get_syncookies(dev, &cookies)) { 1627 pfctl_free_status(status); 1628 warn("DIOCGETSYNCOOKIES"); 1629 return (-1); 1630 } 1631 if (opts & PF_OPT_SHOWALL) 1632 pfctl_print_title("INFO:"); 1633 print_status(status, &cookies, opts); 1634 pfctl_free_status(status); 1635 return (0); 1636} 1637 1638int 1639pfctl_show_running(int dev) 1640{ 1641 struct pfctl_status *status; 1642 int running; 1643 1644 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1645 warn("DIOCGETSTATUS"); 1646 return (-1); 1647 } 1648 1649 running = status->running; 1650 1651 print_running(status); 1652 pfctl_free_status(status); 1653 return (!running); 1654} 1655 1656int 1657pfctl_show_timeouts(int dev, int opts) 1658{ 1659 struct pfioc_tm pt; 1660 int i; 1661 1662 if (opts & PF_OPT_SHOWALL) 1663 pfctl_print_title("TIMEOUTS:"); 1664 memset(&pt, 0, sizeof(pt)); 1665 for (i = 0; pf_timeouts[i].name; i++) { 1666 pt.timeout = pf_timeouts[i].timeout; 1667 if (ioctl(dev, DIOCGETTIMEOUT, &pt)) 1668 err(1, "DIOCGETTIMEOUT"); 1669 printf("%-20s %10d", pf_timeouts[i].name, pt.seconds); 1670 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START && 1671 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END) 1672 printf(" states"); 1673 else 1674 printf("s"); 1675 printf("\n"); 1676 } 1677 return (0); 1678 1679} 1680 1681int 1682pfctl_show_limits(int dev, int opts) 1683{ 1684 struct pfioc_limit pl; 1685 int i; 1686 1687 if (opts & PF_OPT_SHOWALL) 1688 pfctl_print_title("LIMITS:"); 1689 memset(&pl, 0, sizeof(pl)); 1690 for (i = 0; pf_limits[i].name; i++) { 1691 pl.index = pf_limits[i].index; 1692 if (ioctl(dev, DIOCGETLIMIT, &pl)) 1693 err(1, "DIOCGETLIMIT"); 1694 printf("%-13s ", pf_limits[i].name); 1695 if (pl.limit == UINT_MAX) 1696 printf("unlimited\n"); 1697 else 1698 printf("hard limit %8u\n", pl.limit); 1699 } 1700 return (0); 1701} 1702 1703void 1704pfctl_show_creators(int opts) 1705{ 1706 int ret; 1707 uint32_t creators[16]; 1708 size_t count = nitems(creators); 1709 1710 ret = pfctl_get_creatorids(pfh, creators, &count); 1711 if (ret != 0) 1712 errx(ret, "Failed to retrieve creators"); 1713 1714 printf("Creator IDs:\n"); 1715 for (size_t i = 0; i < count; i++) 1716 printf("%08x\n", creators[i]); 1717} 1718 1719/* callbacks for rule/nat/rdr/addr */ 1720int 1721pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af) 1722{ 1723 struct pf_pooladdr *pa; 1724 1725 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1726 if (ioctl(pf->dev, DIOCBEGINADDRS, &pf->paddr)) 1727 err(1, "DIOCBEGINADDRS"); 1728 } 1729 1730 pf->paddr.af = af; 1731 TAILQ_FOREACH(pa, &p->list, entries) { 1732 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr)); 1733 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1734 if (ioctl(pf->dev, DIOCADDADDR, &pf->paddr)) 1735 err(1, "DIOCADDADDR"); 1736 } 1737 } 1738 return (0); 1739} 1740 1741int 1742pfctl_append_rule(struct pfctl *pf, struct pfctl_rule *r, 1743 const char *anchor_call) 1744{ 1745 u_int8_t rs_num; 1746 struct pfctl_rule *rule; 1747 struct pfctl_ruleset *rs; 1748 char *p; 1749 1750 rs_num = pf_get_ruleset_number(r->action); 1751 if (rs_num == PF_RULESET_MAX) 1752 errx(1, "Invalid rule type %d", r->action); 1753 1754 rs = &pf->anchor->ruleset; 1755 1756 if (anchor_call[0] && r->anchor == NULL) { 1757 /* 1758 * Don't make non-brace anchors part of the main anchor pool. 1759 */ 1760 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1761 err(1, "pfctl_append_rule: calloc"); 1762 1763 pf_init_ruleset(&r->anchor->ruleset); 1764 r->anchor->ruleset.anchor = r->anchor; 1765 if (strlcpy(r->anchor->path, anchor_call, 1766 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1767 errx(1, "pfctl_append_rule: strlcpy"); 1768 if ((p = strrchr(anchor_call, '/')) != NULL) { 1769 if (!strlen(p)) 1770 err(1, "pfctl_append_rule: bad anchor name %s", 1771 anchor_call); 1772 } else 1773 p = (char *)anchor_call; 1774 if (strlcpy(r->anchor->name, p, 1775 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1776 errx(1, "pfctl_append_rule: strlcpy"); 1777 } 1778 1779 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1780 err(1, "calloc"); 1781 bcopy(r, rule, sizeof(*rule)); 1782 TAILQ_INIT(&rule->rpool.list); 1783 pfctl_move_pool(&r->rpool, &rule->rpool); 1784 1785 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries); 1786 return (0); 1787} 1788 1789int 1790pfctl_append_eth_rule(struct pfctl *pf, struct pfctl_eth_rule *r, 1791 const char *anchor_call) 1792{ 1793 struct pfctl_eth_rule *rule; 1794 struct pfctl_eth_ruleset *rs; 1795 char *p; 1796 1797 rs = &pf->eanchor->ruleset; 1798 1799 if (anchor_call[0] && r->anchor == NULL) { 1800 /* 1801 * Don't make non-brace anchors part of the main anchor pool. 1802 */ 1803 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1804 err(1, "pfctl_append_rule: calloc"); 1805 1806 pf_init_eth_ruleset(&r->anchor->ruleset); 1807 r->anchor->ruleset.anchor = r->anchor; 1808 if (strlcpy(r->anchor->path, anchor_call, 1809 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1810 errx(1, "pfctl_append_rule: strlcpy"); 1811 if ((p = strrchr(anchor_call, '/')) != NULL) { 1812 if (!strlen(p)) 1813 err(1, "pfctl_append_eth_rule: bad anchor name %s", 1814 anchor_call); 1815 } else 1816 p = (char *)anchor_call; 1817 if (strlcpy(r->anchor->name, p, 1818 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1819 errx(1, "pfctl_append_eth_rule: strlcpy"); 1820 } 1821 1822 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1823 err(1, "calloc"); 1824 bcopy(r, rule, sizeof(*rule)); 1825 1826 TAILQ_INSERT_TAIL(&rs->rules, rule, entries); 1827 return (0); 1828} 1829 1830int 1831pfctl_eth_ruleset_trans(struct pfctl *pf, char *path, 1832 struct pfctl_eth_anchor *a) 1833{ 1834 int osize = pf->trans->pfrb_size; 1835 1836 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0) { 1837 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1838 return (1); 1839 } 1840 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1841 return (5); 1842 1843 return (0); 1844} 1845 1846int 1847pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pfctl_anchor *a, bool do_eth) 1848{ 1849 int osize = pf->trans->pfrb_size; 1850 1851 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0 && do_eth) { 1852 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1853 return (1); 1854 } 1855 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) { 1856 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) || 1857 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) || 1858 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path)) 1859 return (1); 1860 } 1861 if (a == pf->astack[0] && ((altqsupport && 1862 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) { 1863 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path)) 1864 return (2); 1865 } 1866 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) { 1867 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) || 1868 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path)) 1869 return (3); 1870 } 1871 if (pf->loadopt & PFCTL_FLAG_TABLE) 1872 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path)) 1873 return (4); 1874 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1875 return (5); 1876 1877 return (0); 1878} 1879 1880int 1881pfctl_load_eth_ruleset(struct pfctl *pf, char *path, 1882 struct pfctl_eth_ruleset *rs, int depth) 1883{ 1884 struct pfctl_eth_rule *r; 1885 int error, len = strlen(path); 1886 int brace = 0; 1887 1888 pf->eanchor = rs->anchor; 1889 if (path[0]) 1890 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->eanchor->name); 1891 else 1892 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->eanchor->name); 1893 1894 if (depth) { 1895 if (TAILQ_FIRST(&rs->rules) != NULL) { 1896 brace++; 1897 if (pf->opts & PF_OPT_VERBOSE) 1898 printf(" {\n"); 1899 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1900 (error = pfctl_eth_ruleset_trans(pf, 1901 path, rs->anchor))) { 1902 printf("pfctl_load_eth_rulesets: " 1903 "pfctl_eth_ruleset_trans %d\n", error); 1904 goto error; 1905 } 1906 } else if (pf->opts & PF_OPT_VERBOSE) 1907 printf("\n"); 1908 } 1909 1910 while ((r = TAILQ_FIRST(&rs->rules)) != NULL) { 1911 TAILQ_REMOVE(&rs->rules, r, entries); 1912 1913 error = pfctl_load_eth_rule(pf, path, r, depth); 1914 if (error) 1915 return (error); 1916 1917 if (r->anchor) { 1918 if ((error = pfctl_load_eth_ruleset(pf, path, 1919 &r->anchor->ruleset, depth + 1))) 1920 return (error); 1921 } else if (pf->opts & PF_OPT_VERBOSE) 1922 printf("\n"); 1923 free(r); 1924 } 1925 if (brace && pf->opts & PF_OPT_VERBOSE) { 1926 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 1927 printf("}\n"); 1928 } 1929 path[len] = '\0'; 1930 1931 return (0); 1932error: 1933 path[len] = '\0'; 1934 return (error); 1935} 1936 1937int 1938pfctl_load_eth_rule(struct pfctl *pf, char *path, struct pfctl_eth_rule *r, 1939 int depth) 1940{ 1941 char *name; 1942 char anchor[PF_ANCHOR_NAME_SIZE]; 1943 int len = strlen(path); 1944 1945 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 1946 errx(1, "pfctl_load_eth_rule: strlcpy"); 1947 1948 if (r->anchor) { 1949 if (r->anchor->match) { 1950 if (path[0]) 1951 snprintf(&path[len], MAXPATHLEN - len, 1952 "/%s", r->anchor->name); 1953 else 1954 snprintf(&path[len], MAXPATHLEN - len, 1955 "%s", r->anchor->name); 1956 name = r->anchor->name; 1957 } else 1958 name = r->anchor->path; 1959 } else 1960 name = ""; 1961 1962 if ((pf->opts & PF_OPT_NOACTION) == 0) 1963 if (pfctl_add_eth_rule(pf->dev, r, anchor, name, 1964 pf->eth_ticket)) 1965 err(1, "DIOCADDETHRULENV"); 1966 1967 if (pf->opts & PF_OPT_VERBOSE) { 1968 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 1969 print_eth_rule(r, r->anchor ? r->anchor->name : "", 1970 pf->opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1971 } 1972 1973 path[len] = '\0'; 1974 1975 return (0); 1976} 1977 1978int 1979pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs, 1980 int rs_num, int depth) 1981{ 1982 struct pfctl_rule *r; 1983 int error, len = strlen(path); 1984 int brace = 0; 1985 1986 pf->anchor = rs->anchor; 1987 1988 if (path[0]) 1989 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name); 1990 else 1991 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name); 1992 1993 if (depth) { 1994 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) { 1995 brace++; 1996 if (pf->opts & PF_OPT_VERBOSE) 1997 printf(" {\n"); 1998 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1999 (error = pfctl_ruleset_trans(pf, 2000 path, rs->anchor, false))) { 2001 printf("pfctl_load_rulesets: " 2002 "pfctl_ruleset_trans %d\n", error); 2003 goto error; 2004 } 2005 } else if (pf->opts & PF_OPT_VERBOSE) 2006 printf("\n"); 2007 2008 } 2009 2010 if (pf->optimize && rs_num == PF_RULESET_FILTER) 2011 pfctl_optimize_ruleset(pf, rs); 2012 2013 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) { 2014 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries); 2015 2016 for (int i = 0; i < PF_RULE_MAX_LABEL_COUNT; i++) 2017 expand_label(r->label[i], PF_RULE_LABEL_SIZE, r); 2018 expand_label(r->tagname, PF_TAG_NAME_SIZE, r); 2019 expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r); 2020 2021 if ((error = pfctl_load_rule(pf, path, r, depth))) 2022 goto error; 2023 if (r->anchor) { 2024 if ((error = pfctl_load_ruleset(pf, path, 2025 &r->anchor->ruleset, rs_num, depth + 1))) 2026 goto error; 2027 } else if (pf->opts & PF_OPT_VERBOSE) 2028 printf("\n"); 2029 free(r); 2030 } 2031 if (brace && pf->opts & PF_OPT_VERBOSE) { 2032 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 2033 printf("}\n"); 2034 } 2035 path[len] = '\0'; 2036 return (0); 2037 2038 error: 2039 path[len] = '\0'; 2040 return (error); 2041 2042} 2043 2044int 2045pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth) 2046{ 2047 u_int8_t rs_num = pf_get_ruleset_number(r->action); 2048 char *name; 2049 u_int32_t ticket; 2050 char anchor[PF_ANCHOR_NAME_SIZE]; 2051 int len = strlen(path); 2052 int error; 2053 bool was_present; 2054 2055 /* set up anchor before adding to path for anchor_call */ 2056 if ((pf->opts & PF_OPT_NOACTION) == 0) 2057 ticket = pfctl_get_ticket(pf->trans, rs_num, path); 2058 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 2059 errx(1, "pfctl_load_rule: strlcpy"); 2060 2061 if (r->anchor) { 2062 if (r->anchor->match) { 2063 if (path[0]) 2064 snprintf(&path[len], MAXPATHLEN - len, 2065 "/%s", r->anchor->name); 2066 else 2067 snprintf(&path[len], MAXPATHLEN - len, 2068 "%s", r->anchor->name); 2069 name = r->anchor->name; 2070 } else 2071 name = r->anchor->path; 2072 } else 2073 name = ""; 2074 2075 was_present = false; 2076 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2077 if (pfctl_add_pool(pf, &r->rpool, r->af)) 2078 return (1); 2079 error = pfctl_add_rule_h(pf->h, r, anchor, name, ticket, 2080 pf->paddr.ticket); 2081 switch (error) { 2082 case 0: 2083 /* things worked, do nothing */ 2084 break; 2085 case EEXIST: 2086 /* an identical rule is already present */ 2087 was_present = true; 2088 break; 2089 default: 2090 err(1, "DIOCADDRULENV"); 2091 } 2092 } 2093 2094 if (pf->opts & PF_OPT_VERBOSE) { 2095 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 2096 print_rule(r, name, 2097 pf->opts & PF_OPT_VERBOSE2, 2098 pf->opts & PF_OPT_NUMERIC); 2099 if (was_present) 2100 printf(" -- rule was already present"); 2101 } 2102 path[len] = '\0'; 2103 pfctl_clear_pool(&r->rpool); 2104 return (0); 2105} 2106 2107int 2108pfctl_add_altq(struct pfctl *pf, struct pf_altq *a) 2109{ 2110 if (altqsupport && 2111 (loadopt & PFCTL_FLAG_ALTQ) != 0) { 2112 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq)); 2113 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2114 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) { 2115 if (errno == ENXIO) 2116 errx(1, "qtype not configured"); 2117 else if (errno == ENODEV) 2118 errx(1, "%s: driver does not support " 2119 "altq", a->ifname); 2120 else 2121 err(1, "DIOCADDALTQ"); 2122 } 2123 } 2124 pfaltq_store(&pf->paltq->altq); 2125 } 2126 return (0); 2127} 2128 2129int 2130pfctl_rules(int dev, char *filename, int opts, int optimize, 2131 char *anchorname, struct pfr_buffer *trans) 2132{ 2133#define ERR(x) do { warn(x); goto _error; } while(0) 2134#define ERRX(x) do { warnx(x); goto _error; } while(0) 2135 2136 struct pfr_buffer *t, buf; 2137 struct pfioc_altq pa; 2138 struct pfctl pf; 2139 struct pfctl_ruleset *rs; 2140 struct pfctl_eth_ruleset *ethrs; 2141 struct pfr_table trs; 2142 char *path; 2143 int osize; 2144 2145 RB_INIT(&pf_anchors); 2146 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor)); 2147 pf_init_ruleset(&pf_main_anchor.ruleset); 2148 pf_main_anchor.ruleset.anchor = &pf_main_anchor; 2149 2150 memset(&pf_eth_main_anchor, 0, sizeof(pf_eth_main_anchor)); 2151 pf_init_eth_ruleset(&pf_eth_main_anchor.ruleset); 2152 pf_eth_main_anchor.ruleset.anchor = &pf_eth_main_anchor; 2153 2154 if (trans == NULL) { 2155 bzero(&buf, sizeof(buf)); 2156 buf.pfrb_type = PFRB_TRANS; 2157 t = &buf; 2158 osize = 0; 2159 } else { 2160 t = trans; 2161 osize = t->pfrb_size; 2162 } 2163 2164 memset(&pa, 0, sizeof(pa)); 2165 pa.version = PFIOC_ALTQ_VERSION; 2166 memset(&pf, 0, sizeof(pf)); 2167 memset(&trs, 0, sizeof(trs)); 2168 if ((path = calloc(1, MAXPATHLEN)) == NULL) 2169 ERRX("pfctl_rules: calloc"); 2170 if (strlcpy(trs.pfrt_anchor, anchorname, 2171 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor)) 2172 ERRX("pfctl_rules: strlcpy"); 2173 pf.dev = dev; 2174 pf.h = pfh; 2175 pf.opts = opts; 2176 pf.optimize = optimize; 2177 pf.loadopt = loadopt; 2178 2179 /* non-brace anchor, create without resolving the path */ 2180 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL) 2181 ERRX("pfctl_rules: calloc"); 2182 rs = &pf.anchor->ruleset; 2183 pf_init_ruleset(rs); 2184 rs->anchor = pf.anchor; 2185 if (strlcpy(pf.anchor->path, anchorname, 2186 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path)) 2187 errx(1, "pfctl_rules: strlcpy"); 2188 if (strlcpy(pf.anchor->name, anchorname, 2189 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name)) 2190 errx(1, "pfctl_rules: strlcpy"); 2191 2192 2193 pf.astack[0] = pf.anchor; 2194 pf.asd = 0; 2195 if (anchorname[0]) 2196 pf.loadopt &= ~PFCTL_FLAG_ALTQ; 2197 pf.paltq = &pa; 2198 pf.trans = t; 2199 pfctl_init_options(&pf); 2200 2201 /* Set up ethernet anchor */ 2202 if ((pf.eanchor = calloc(1, sizeof(*pf.eanchor))) == NULL) 2203 ERRX("pfctl_rules: calloc"); 2204 2205 if (strlcpy(pf.eanchor->path, anchorname, 2206 sizeof(pf.eanchor->path)) >= sizeof(pf.eanchor->path)) 2207 errx(1, "pfctl_rules: strlcpy"); 2208 if (strlcpy(pf.eanchor->name, anchorname, 2209 sizeof(pf.eanchor->name)) >= sizeof(pf.eanchor->name)) 2210 errx(1, "pfctl_rules: strlcpy"); 2211 2212 ethrs = &pf.eanchor->ruleset; 2213 pf_init_eth_ruleset(ethrs); 2214 ethrs->anchor = pf.eanchor; 2215 pf.eastack[0] = pf.eanchor; 2216 2217 if ((opts & PF_OPT_NOACTION) == 0) { 2218 /* 2219 * XXX For the time being we need to open transactions for 2220 * the main ruleset before parsing, because tables are still 2221 * loaded at parse time. 2222 */ 2223 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor, true)) 2224 ERRX("pfctl_rules"); 2225 if (pf.loadopt & PFCTL_FLAG_ETH) 2226 pf.eth_ticket = pfctl_get_ticket(t, PF_RULESET_ETH, anchorname); 2227 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ)) 2228 pa.ticket = 2229 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname); 2230 if (pf.loadopt & PFCTL_FLAG_TABLE) 2231 pf.astack[0]->ruleset.tticket = 2232 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname); 2233 } 2234 2235 if (parse_config(filename, &pf) < 0) { 2236 if ((opts & PF_OPT_NOACTION) == 0) 2237 ERRX("Syntax error in config file: " 2238 "pf rules not loaded"); 2239 else 2240 goto _error; 2241 } 2242 if (loadopt & PFCTL_FLAG_OPTION) 2243 pfctl_adjust_skip_ifaces(&pf); 2244 2245 if ((pf.loadopt & PFCTL_FLAG_FILTER && 2246 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) || 2247 (pf.loadopt & PFCTL_FLAG_ETH && 2248 (pfctl_load_eth_ruleset(&pf, path, ethrs, 0))) || 2249 (pf.loadopt & PFCTL_FLAG_NAT && 2250 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) || 2251 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) || 2252 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) || 2253 (pf.loadopt & PFCTL_FLAG_FILTER && 2254 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) { 2255 if ((opts & PF_OPT_NOACTION) == 0) 2256 ERRX("Unable to load rules into kernel"); 2257 else 2258 goto _error; 2259 } 2260 2261 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0)) 2262 if (check_commit_altq(dev, opts) != 0) 2263 ERRX("errors in altq config"); 2264 2265 /* process "load anchor" directives */ 2266 if (!anchorname[0]) 2267 if (pfctl_load_anchors(dev, &pf, t) == -1) 2268 ERRX("load anchors"); 2269 2270 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) { 2271 if (!anchorname[0]) 2272 if (pfctl_load_options(&pf)) 2273 goto _error; 2274 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize)) 2275 ERR("DIOCXCOMMIT"); 2276 } 2277 free(path); 2278 return (0); 2279 2280_error: 2281 if (trans == NULL) { /* main ruleset */ 2282 if ((opts & PF_OPT_NOACTION) == 0) 2283 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize)) 2284 err(1, "DIOCXROLLBACK"); 2285 exit(1); 2286 } else { /* sub ruleset */ 2287 free(path); 2288 return (-1); 2289 } 2290 2291#undef ERR 2292#undef ERRX 2293} 2294 2295FILE * 2296pfctl_fopen(const char *name, const char *mode) 2297{ 2298 struct stat st; 2299 FILE *fp; 2300 2301 fp = fopen(name, mode); 2302 if (fp == NULL) 2303 return (NULL); 2304 if (fstat(fileno(fp), &st)) { 2305 fclose(fp); 2306 return (NULL); 2307 } 2308 if (S_ISDIR(st.st_mode)) { 2309 fclose(fp); 2310 errno = EISDIR; 2311 return (NULL); 2312 } 2313 return (fp); 2314} 2315 2316void 2317pfctl_init_options(struct pfctl *pf) 2318{ 2319 2320 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2321 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; 2322 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2323 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2324 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; 2325 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2326 pf->timeout[PFTM_SCTP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2327 pf->timeout[PFTM_SCTP_OPENING] = PFTM_TCP_OPENING_VAL; 2328 pf->timeout[PFTM_SCTP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2329 pf->timeout[PFTM_SCTP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2330 pf->timeout[PFTM_SCTP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2331 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; 2332 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; 2333 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; 2334 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; 2335 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; 2336 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; 2337 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; 2338 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; 2339 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL; 2340 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; 2341 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; 2342 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; 2343 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; 2344 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; 2345 2346 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT; 2347 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT; 2348 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT; 2349 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT; 2350 2351 pf->debug = PF_DEBUG_URGENT; 2352 pf->reassemble = 0; 2353 2354 pf->syncookies = false; 2355 pf->syncookieswat[0] = PF_SYNCOOKIES_LOWATPCT; 2356 pf->syncookieswat[1] = PF_SYNCOOKIES_HIWATPCT; 2357} 2358 2359int 2360pfctl_load_options(struct pfctl *pf) 2361{ 2362 int i, error = 0; 2363 2364 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2365 return (0); 2366 2367 /* load limits */ 2368 for (i = 0; i < PF_LIMIT_MAX; i++) { 2369 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i]) 2370 continue; 2371 if (pfctl_load_limit(pf, i, pf->limit[i])) 2372 error = 1; 2373 } 2374 2375 /* 2376 * If we've set the limit, but haven't explicitly set adaptive 2377 * timeouts, do it now with a start of 60% and end of 120%. 2378 */ 2379 if (pf->limit_set[PF_LIMIT_STATES] && 2380 !pf->timeout_set[PFTM_ADAPTIVE_START] && 2381 !pf->timeout_set[PFTM_ADAPTIVE_END]) { 2382 pf->timeout[PFTM_ADAPTIVE_START] = 2383 (pf->limit[PF_LIMIT_STATES] / 10) * 6; 2384 pf->timeout_set[PFTM_ADAPTIVE_START] = 1; 2385 pf->timeout[PFTM_ADAPTIVE_END] = 2386 (pf->limit[PF_LIMIT_STATES] / 10) * 12; 2387 pf->timeout_set[PFTM_ADAPTIVE_END] = 1; 2388 } 2389 2390 /* load timeouts */ 2391 for (i = 0; i < PFTM_MAX; i++) { 2392 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i]) 2393 continue; 2394 if (pfctl_load_timeout(pf, i, pf->timeout[i])) 2395 error = 1; 2396 } 2397 2398 /* load debug */ 2399 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set) 2400 if (pfctl_load_debug(pf, pf->debug)) 2401 error = 1; 2402 2403 /* load logif */ 2404 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set) 2405 if (pfctl_load_logif(pf, pf->ifname)) 2406 error = 1; 2407 2408 /* load hostid */ 2409 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set) 2410 if (pfctl_load_hostid(pf, pf->hostid)) 2411 error = 1; 2412 2413 /* load reassembly settings */ 2414 if (!(pf->opts & PF_OPT_MERGE) || pf->reass_set) 2415 if (pfctl_load_reassembly(pf, pf->reassemble)) 2416 error = 1; 2417 2418 /* load keepcounters */ 2419 if (pfctl_set_keepcounters(pf->dev, pf->keep_counters)) 2420 error = 1; 2421 2422 /* load syncookies settings */ 2423 if (pfctl_load_syncookies(pf, pf->syncookies)) 2424 error = 1; 2425 2426 return (error); 2427} 2428 2429int 2430pfctl_set_limit(struct pfctl *pf, const char *opt, unsigned int limit) 2431{ 2432 int i; 2433 2434 2435 for (i = 0; pf_limits[i].name; i++) { 2436 if (strcasecmp(opt, pf_limits[i].name) == 0) { 2437 pf->limit[pf_limits[i].index] = limit; 2438 pf->limit_set[pf_limits[i].index] = 1; 2439 break; 2440 } 2441 } 2442 if (pf_limits[i].name == NULL) { 2443 warnx("Bad pool name."); 2444 return (1); 2445 } 2446 2447 if (pf->opts & PF_OPT_VERBOSE) 2448 printf("set limit %s %d\n", opt, limit); 2449 2450 return (0); 2451} 2452 2453int 2454pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit) 2455{ 2456 struct pfioc_limit pl; 2457 2458 memset(&pl, 0, sizeof(pl)); 2459 pl.index = index; 2460 pl.limit = limit; 2461 if (ioctl(pf->dev, DIOCSETLIMIT, &pl)) { 2462 if (errno == EBUSY) 2463 warnx("Current pool size exceeds requested hard limit"); 2464 else 2465 warnx("DIOCSETLIMIT"); 2466 return (1); 2467 } 2468 return (0); 2469} 2470 2471int 2472pfctl_set_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet) 2473{ 2474 int i; 2475 2476 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2477 return (0); 2478 2479 for (i = 0; pf_timeouts[i].name; i++) { 2480 if (strcasecmp(opt, pf_timeouts[i].name) == 0) { 2481 pf->timeout[pf_timeouts[i].timeout] = seconds; 2482 pf->timeout_set[pf_timeouts[i].timeout] = 1; 2483 break; 2484 } 2485 } 2486 2487 if (pf_timeouts[i].name == NULL) { 2488 warnx("Bad timeout name."); 2489 return (1); 2490 } 2491 2492 2493 if (pf->opts & PF_OPT_VERBOSE && ! quiet) 2494 printf("set timeout %s %d\n", opt, seconds); 2495 2496 return (0); 2497} 2498 2499int 2500pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds) 2501{ 2502 struct pfioc_tm pt; 2503 2504 memset(&pt, 0, sizeof(pt)); 2505 pt.timeout = timeout; 2506 pt.seconds = seconds; 2507 if (ioctl(pf->dev, DIOCSETTIMEOUT, &pt)) { 2508 warnx("DIOCSETTIMEOUT"); 2509 return (1); 2510 } 2511 return (0); 2512} 2513 2514int 2515pfctl_set_reassembly(struct pfctl *pf, int on, int nodf) 2516{ 2517 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2518 return (0); 2519 2520 pf->reass_set = 1; 2521 if (on) { 2522 pf->reassemble = PF_REASS_ENABLED; 2523 if (nodf) 2524 pf->reassemble |= PF_REASS_NODF; 2525 } else { 2526 pf->reassemble = 0; 2527 } 2528 2529 if (pf->opts & PF_OPT_VERBOSE) 2530 printf("set reassemble %s %s\n", on ? "yes" : "no", 2531 nodf ? "no-df" : ""); 2532 2533 return (0); 2534} 2535 2536int 2537pfctl_set_optimization(struct pfctl *pf, const char *opt) 2538{ 2539 const struct pf_hint *hint; 2540 int i, r; 2541 2542 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2543 return (0); 2544 2545 for (i = 0; pf_hints[i].name; i++) 2546 if (strcasecmp(opt, pf_hints[i].name) == 0) 2547 break; 2548 2549 hint = pf_hints[i].hint; 2550 if (hint == NULL) { 2551 warnx("invalid state timeouts optimization"); 2552 return (1); 2553 } 2554 2555 for (i = 0; hint[i].name; i++) 2556 if ((r = pfctl_set_timeout(pf, hint[i].name, 2557 hint[i].timeout, 1))) 2558 return (r); 2559 2560 if (pf->opts & PF_OPT_VERBOSE) 2561 printf("set optimization %s\n", opt); 2562 2563 return (0); 2564} 2565 2566int 2567pfctl_set_logif(struct pfctl *pf, char *ifname) 2568{ 2569 2570 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2571 return (0); 2572 2573 if (!strcmp(ifname, "none")) { 2574 free(pf->ifname); 2575 pf->ifname = NULL; 2576 } else { 2577 pf->ifname = strdup(ifname); 2578 if (!pf->ifname) 2579 errx(1, "pfctl_set_logif: strdup"); 2580 } 2581 pf->ifname_set = 1; 2582 2583 if (pf->opts & PF_OPT_VERBOSE) 2584 printf("set loginterface %s\n", ifname); 2585 2586 return (0); 2587} 2588 2589int 2590pfctl_load_logif(struct pfctl *pf, char *ifname) 2591{ 2592 if (ifname != NULL && strlen(ifname) >= IFNAMSIZ) { 2593 warnx("pfctl_load_logif: strlcpy"); 2594 return (1); 2595 } 2596 return (pfctl_set_statusif(pfh, ifname ? ifname : "")); 2597} 2598 2599int 2600pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid) 2601{ 2602 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2603 return (0); 2604 2605 HTONL(hostid); 2606 2607 pf->hostid = hostid; 2608 pf->hostid_set = 1; 2609 2610 if (pf->opts & PF_OPT_VERBOSE) 2611 printf("set hostid 0x%08x\n", ntohl(hostid)); 2612 2613 return (0); 2614} 2615 2616int 2617pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid) 2618{ 2619 if (ioctl(dev, DIOCSETHOSTID, &hostid)) { 2620 warnx("DIOCSETHOSTID"); 2621 return (1); 2622 } 2623 return (0); 2624} 2625 2626int 2627pfctl_load_reassembly(struct pfctl *pf, u_int32_t reassembly) 2628{ 2629 if (ioctl(dev, DIOCSETREASS, &reassembly)) { 2630 warnx("DIOCSETREASS"); 2631 return (1); 2632 } 2633 return (0); 2634} 2635 2636int 2637pfctl_load_syncookies(struct pfctl *pf, u_int8_t val) 2638{ 2639 struct pfctl_syncookies cookies; 2640 2641 bzero(&cookies, sizeof(cookies)); 2642 2643 cookies.mode = val; 2644 cookies.lowwater = pf->syncookieswat[0]; 2645 cookies.highwater = pf->syncookieswat[1]; 2646 2647 if (pfctl_set_syncookies(dev, &cookies)) { 2648 warnx("DIOCSETSYNCOOKIES"); 2649 return (1); 2650 } 2651 return (0); 2652} 2653 2654int 2655pfctl_cfg_syncookies(struct pfctl *pf, uint8_t val, struct pfctl_watermarks *w) 2656{ 2657 if (val != PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2658 warnx("syncookies start/end only apply to adaptive"); 2659 return (1); 2660 } 2661 if (val == PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2662 if (!w->hi) 2663 w->hi = PF_SYNCOOKIES_HIWATPCT; 2664 if (!w->lo) 2665 w->lo = w->hi / 2; 2666 if (w->lo >= w->hi) { 2667 warnx("start must be higher than end"); 2668 return (1); 2669 } 2670 pf->syncookieswat[0] = w->lo; 2671 pf->syncookieswat[1] = w->hi; 2672 pf->syncookieswat_set = 1; 2673 } 2674 2675 if (pf->opts & PF_OPT_VERBOSE) { 2676 if (val == PF_SYNCOOKIES_NEVER) 2677 printf("set syncookies never\n"); 2678 else if (val == PF_SYNCOOKIES_ALWAYS) 2679 printf("set syncookies always\n"); 2680 else if (val == PF_SYNCOOKIES_ADAPTIVE) { 2681 if (pf->syncookieswat_set) 2682 printf("set syncookies adaptive (start %u%%, " 2683 "end %u%%)\n", pf->syncookieswat[1], 2684 pf->syncookieswat[0]); 2685 else 2686 printf("set syncookies adaptive\n"); 2687 } else { /* cannot happen */ 2688 warnx("king bula ate all syncookies"); 2689 return (1); 2690 } 2691 } 2692 2693 pf->syncookies = val; 2694 return (0); 2695} 2696 2697int 2698pfctl_set_debug(struct pfctl *pf, char *d) 2699{ 2700 u_int32_t level; 2701 2702 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2703 return (0); 2704 2705 if (!strcmp(d, "none")) 2706 pf->debug = PF_DEBUG_NONE; 2707 else if (!strcmp(d, "urgent")) 2708 pf->debug = PF_DEBUG_URGENT; 2709 else if (!strcmp(d, "misc")) 2710 pf->debug = PF_DEBUG_MISC; 2711 else if (!strcmp(d, "loud")) 2712 pf->debug = PF_DEBUG_NOISY; 2713 else { 2714 warnx("unknown debug level \"%s\"", d); 2715 return (-1); 2716 } 2717 2718 pf->debug_set = 1; 2719 level = pf->debug; 2720 2721 if ((pf->opts & PF_OPT_NOACTION) == 0) 2722 if (ioctl(dev, DIOCSETDEBUG, &level)) 2723 err(1, "DIOCSETDEBUG"); 2724 2725 if (pf->opts & PF_OPT_VERBOSE) 2726 printf("set debug %s\n", d); 2727 2728 return (0); 2729} 2730 2731int 2732pfctl_load_debug(struct pfctl *pf, unsigned int level) 2733{ 2734 if (ioctl(pf->dev, DIOCSETDEBUG, &level)) { 2735 warnx("DIOCSETDEBUG"); 2736 return (1); 2737 } 2738 return (0); 2739} 2740 2741int 2742pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how) 2743{ 2744 struct pfioc_iface pi; 2745 struct node_host *h = NULL, *n = NULL; 2746 2747 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2748 return (0); 2749 2750 bzero(&pi, sizeof(pi)); 2751 2752 pi.pfiio_flags = flags; 2753 2754 /* Make sure our cache matches the kernel. If we set or clear the flag 2755 * for a group this applies to all members. */ 2756 h = ifa_grouplookup(ifname, 0); 2757 for (n = h; n != NULL; n = n->next) 2758 pfctl_set_interface_flags(pf, n->ifname, flags, how); 2759 2760 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >= 2761 sizeof(pi.pfiio_name)) 2762 errx(1, "pfctl_set_interface_flags: strlcpy"); 2763 2764 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2765 if (how == 0) { 2766 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi)) 2767 err(1, "DIOCCLRIFFLAG"); 2768 } else { 2769 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi)) 2770 err(1, "DIOCSETIFFLAG"); 2771 pfctl_check_skip_ifaces(ifname); 2772 } 2773 } 2774 return (0); 2775} 2776 2777void 2778pfctl_debug(int dev, u_int32_t level, int opts) 2779{ 2780 if (ioctl(dev, DIOCSETDEBUG, &level)) 2781 err(1, "DIOCSETDEBUG"); 2782 if ((opts & PF_OPT_QUIET) == 0) { 2783 fprintf(stderr, "debug level set to '"); 2784 switch (level) { 2785 case PF_DEBUG_NONE: 2786 fprintf(stderr, "none"); 2787 break; 2788 case PF_DEBUG_URGENT: 2789 fprintf(stderr, "urgent"); 2790 break; 2791 case PF_DEBUG_MISC: 2792 fprintf(stderr, "misc"); 2793 break; 2794 case PF_DEBUG_NOISY: 2795 fprintf(stderr, "loud"); 2796 break; 2797 default: 2798 fprintf(stderr, "<invalid>"); 2799 break; 2800 } 2801 fprintf(stderr, "'\n"); 2802 } 2803} 2804 2805int 2806pfctl_test_altqsupport(int dev, int opts) 2807{ 2808 struct pfioc_altq pa; 2809 2810 pa.version = PFIOC_ALTQ_VERSION; 2811 if (ioctl(dev, DIOCGETALTQS, &pa)) { 2812 if (errno == ENODEV) { 2813 if (opts & PF_OPT_VERBOSE) 2814 fprintf(stderr, "No ALTQ support in kernel\n" 2815 "ALTQ related functions disabled\n"); 2816 return (0); 2817 } else 2818 err(1, "DIOCGETALTQS"); 2819 } 2820 return (1); 2821} 2822 2823int 2824pfctl_show_anchors(int dev, int opts, char *anchorname) 2825{ 2826 struct pfioc_ruleset pr; 2827 u_int32_t mnr, nr; 2828 2829 memset(&pr, 0, sizeof(pr)); 2830 memcpy(pr.path, anchorname, sizeof(pr.path)); 2831 if (ioctl(dev, DIOCGETRULESETS, &pr)) { 2832 if (errno == EINVAL) 2833 fprintf(stderr, "Anchor '%s' not found.\n", 2834 anchorname); 2835 else 2836 err(1, "DIOCGETRULESETS"); 2837 return (-1); 2838 } 2839 mnr = pr.nr; 2840 for (nr = 0; nr < mnr; ++nr) { 2841 char sub[MAXPATHLEN]; 2842 2843 pr.nr = nr; 2844 if (ioctl(dev, DIOCGETRULESET, &pr)) 2845 err(1, "DIOCGETRULESET"); 2846 if (!strcmp(pr.name, PF_RESERVED_ANCHOR)) 2847 continue; 2848 sub[0] = 0; 2849 if (pr.path[0]) { 2850 strlcat(sub, pr.path, sizeof(sub)); 2851 strlcat(sub, "/", sizeof(sub)); 2852 } 2853 strlcat(sub, pr.name, sizeof(sub)); 2854 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2855 printf(" %s\n", sub); 2856 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub)) 2857 return (-1); 2858 } 2859 return (0); 2860} 2861 2862int 2863pfctl_show_eth_anchors(int dev, int opts, char *anchorname) 2864{ 2865 struct pfctl_eth_rulesets_info ri; 2866 struct pfctl_eth_ruleset_info rs; 2867 int ret; 2868 2869 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, anchorname)) != 0) { 2870 if (ret == ENOENT) 2871 fprintf(stderr, "Anchor '%s' not found.\n", 2872 anchorname); 2873 else 2874 err(1, "DIOCGETETHRULESETS"); 2875 return (-1); 2876 } 2877 2878 for (int nr = 0; nr < ri.nr; nr++) { 2879 char sub[MAXPATHLEN]; 2880 2881 if (pfctl_get_eth_ruleset(dev, anchorname, nr, &rs) != 0) 2882 err(1, "DIOCGETETHRULESET"); 2883 2884 if (!strcmp(rs.name, PF_RESERVED_ANCHOR)) 2885 continue; 2886 sub[0] = 0; 2887 if (rs.path[0]) { 2888 strlcat(sub, rs.path, sizeof(sub)); 2889 strlcat(sub, "/", sizeof(sub)); 2890 } 2891 strlcat(sub, rs.name, sizeof(sub)); 2892 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2893 printf(" %s\n", sub); 2894 if ((opts & PF_OPT_VERBOSE) && pfctl_show_eth_anchors(dev, opts, sub)) 2895 return (-1); 2896 } 2897 return (0); 2898} 2899 2900const char * 2901pfctl_lookup_option(char *cmd, const char * const *list) 2902{ 2903 if (cmd != NULL && *cmd) 2904 for (; *list; list++) 2905 if (!strncmp(cmd, *list, strlen(cmd))) 2906 return (*list); 2907 return (NULL); 2908} 2909 2910int 2911main(int argc, char *argv[]) 2912{ 2913 int error = 0; 2914 int ch; 2915 int mode = O_RDONLY; 2916 int opts = 0; 2917 int optimize = PF_OPTIMIZE_BASIC; 2918 char anchorname[MAXPATHLEN]; 2919 char *path; 2920 2921 if (argc < 2) 2922 usage(); 2923 2924 while ((ch = getopt(argc, argv, 2925 "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) { 2926 switch (ch) { 2927 case 'a': 2928 anchoropt = optarg; 2929 break; 2930 case 'd': 2931 opts |= PF_OPT_DISABLE; 2932 mode = O_RDWR; 2933 break; 2934 case 'D': 2935 if (pfctl_cmdline_symset(optarg) < 0) 2936 warnx("could not parse macro definition %s", 2937 optarg); 2938 break; 2939 case 'e': 2940 opts |= PF_OPT_ENABLE; 2941 mode = O_RDWR; 2942 break; 2943 case 'q': 2944 opts |= PF_OPT_QUIET; 2945 break; 2946 case 'F': 2947 clearopt = pfctl_lookup_option(optarg, clearopt_list); 2948 if (clearopt == NULL) { 2949 warnx("Unknown flush modifier '%s'", optarg); 2950 usage(); 2951 } 2952 mode = O_RDWR; 2953 break; 2954 case 'i': 2955 ifaceopt = optarg; 2956 break; 2957 case 'k': 2958 if (state_killers >= 2) { 2959 warnx("can only specify -k twice"); 2960 usage(); 2961 /* NOTREACHED */ 2962 } 2963 state_kill[state_killers++] = optarg; 2964 mode = O_RDWR; 2965 break; 2966 case 'K': 2967 if (src_node_killers >= 2) { 2968 warnx("can only specify -K twice"); 2969 usage(); 2970 /* NOTREACHED */ 2971 } 2972 src_node_kill[src_node_killers++] = optarg; 2973 mode = O_RDWR; 2974 break; 2975 case 'm': 2976 opts |= PF_OPT_MERGE; 2977 break; 2978 case 'M': 2979 opts |= PF_OPT_KILLMATCH; 2980 break; 2981 case 'n': 2982 opts |= PF_OPT_NOACTION; 2983 break; 2984 case 'N': 2985 loadopt |= PFCTL_FLAG_NAT; 2986 break; 2987 case 'r': 2988 opts |= PF_OPT_USEDNS; 2989 break; 2990 case 'f': 2991 rulesopt = optarg; 2992 mode = O_RDWR; 2993 break; 2994 case 'g': 2995 opts |= PF_OPT_DEBUG; 2996 break; 2997 case 'A': 2998 loadopt |= PFCTL_FLAG_ALTQ; 2999 break; 3000 case 'R': 3001 loadopt |= PFCTL_FLAG_FILTER; 3002 break; 3003 case 'o': 3004 optiopt = pfctl_lookup_option(optarg, optiopt_list); 3005 if (optiopt == NULL) { 3006 warnx("Unknown optimization '%s'", optarg); 3007 usage(); 3008 } 3009 opts |= PF_OPT_OPTIMIZE; 3010 break; 3011 case 'O': 3012 loadopt |= PFCTL_FLAG_OPTION; 3013 break; 3014 case 'p': 3015 pf_device = optarg; 3016 break; 3017 case 'P': 3018 opts |= PF_OPT_NUMERIC; 3019 break; 3020 case 's': 3021 showopt = pfctl_lookup_option(optarg, showopt_list); 3022 if (showopt == NULL) { 3023 warnx("Unknown show modifier '%s'", optarg); 3024 usage(); 3025 } 3026 break; 3027 case 't': 3028 tableopt = optarg; 3029 break; 3030 case 'T': 3031 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list); 3032 if (tblcmdopt == NULL) { 3033 warnx("Unknown table command '%s'", optarg); 3034 usage(); 3035 } 3036 break; 3037 case 'v': 3038 if (opts & PF_OPT_VERBOSE) 3039 opts |= PF_OPT_VERBOSE2; 3040 opts |= PF_OPT_VERBOSE; 3041 break; 3042 case 'x': 3043 debugopt = pfctl_lookup_option(optarg, debugopt_list); 3044 if (debugopt == NULL) { 3045 warnx("Unknown debug level '%s'", optarg); 3046 usage(); 3047 } 3048 mode = O_RDWR; 3049 break; 3050 case 'z': 3051 opts |= PF_OPT_CLRRULECTRS; 3052 mode = O_RDWR; 3053 break; 3054 case 'h': 3055 /* FALLTHROUGH */ 3056 default: 3057 usage(); 3058 /* NOTREACHED */ 3059 } 3060 } 3061 3062 if (tblcmdopt != NULL) { 3063 argc -= optind; 3064 argv += optind; 3065 ch = *tblcmdopt; 3066 if (ch == 'l') { 3067 loadopt |= PFCTL_FLAG_TABLE; 3068 tblcmdopt = NULL; 3069 } else 3070 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY; 3071 } else if (argc != optind) { 3072 warnx("unknown command line argument: %s ...", argv[optind]); 3073 usage(); 3074 /* NOTREACHED */ 3075 } 3076 if (loadopt == 0) 3077 loadopt = ~0; 3078 3079 if ((path = calloc(1, MAXPATHLEN)) == NULL) 3080 errx(1, "pfctl: calloc"); 3081 memset(anchorname, 0, sizeof(anchorname)); 3082 if (anchoropt != NULL) { 3083 int len = strlen(anchoropt); 3084 3085 if (len >= 1 && anchoropt[len - 1] == '*') { 3086 if (len >= 2 && anchoropt[len - 2] == '/') 3087 anchoropt[len - 2] = '\0'; 3088 else 3089 anchoropt[len - 1] = '\0'; 3090 opts |= PF_OPT_RECURSE; 3091 } 3092 if (strlcpy(anchorname, anchoropt, 3093 sizeof(anchorname)) >= sizeof(anchorname)) 3094 errx(1, "anchor name '%s' too long", 3095 anchoropt); 3096 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE|PFCTL_FLAG_ETH; 3097 } 3098 3099 if ((opts & PF_OPT_NOACTION) == 0) { 3100 dev = open(pf_device, mode); 3101 if (dev == -1) 3102 err(1, "%s", pf_device); 3103 altqsupport = pfctl_test_altqsupport(dev, opts); 3104 } else { 3105 dev = open(pf_device, O_RDONLY); 3106 if (dev >= 0) 3107 opts |= PF_OPT_DUMMYACTION; 3108 /* turn off options */ 3109 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE); 3110 clearopt = showopt = debugopt = NULL; 3111#if !defined(ENABLE_ALTQ) 3112 altqsupport = 0; 3113#else 3114 altqsupport = 1; 3115#endif 3116 } 3117 pfh = pfctl_open(pf_device); 3118 if (pfh == NULL) 3119 err(1, "Failed to open netlink"); 3120 3121 if (opts & PF_OPT_DISABLE) 3122 if (pfctl_disable(dev, opts)) 3123 error = 1; 3124 3125 if (showopt != NULL) { 3126 switch (*showopt) { 3127 case 'A': 3128 pfctl_show_anchors(dev, opts, anchorname); 3129 if (opts & PF_OPT_VERBOSE2) 3130 printf("Ethernet:\n"); 3131 pfctl_show_eth_anchors(dev, opts, anchorname); 3132 break; 3133 case 'r': 3134 pfctl_load_fingerprints(dev, opts); 3135 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES, 3136 anchorname, 0, 0); 3137 break; 3138 case 'l': 3139 pfctl_load_fingerprints(dev, opts); 3140 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS, 3141 anchorname, 0, 0); 3142 break; 3143 case 'n': 3144 pfctl_load_fingerprints(dev, opts); 3145 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3146 break; 3147 case 'q': 3148 pfctl_show_altq(dev, ifaceopt, opts, 3149 opts & PF_OPT_VERBOSE2); 3150 break; 3151 case 's': 3152 pfctl_show_states(dev, ifaceopt, opts); 3153 break; 3154 case 'S': 3155 pfctl_show_src_nodes(dev, opts); 3156 break; 3157 case 'i': 3158 pfctl_show_status(dev, opts); 3159 break; 3160 case 'R': 3161 error = pfctl_show_running(dev); 3162 break; 3163 case 't': 3164 pfctl_show_timeouts(dev, opts); 3165 break; 3166 case 'm': 3167 pfctl_show_limits(dev, opts); 3168 break; 3169 case 'e': 3170 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3171 0); 3172 break; 3173 case 'a': 3174 opts |= PF_OPT_SHOWALL; 3175 pfctl_load_fingerprints(dev, opts); 3176 3177 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3178 0); 3179 3180 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3181 pfctl_show_rules(dev, path, opts, 0, anchorname, 0, 0); 3182 pfctl_show_altq(dev, ifaceopt, opts, 0); 3183 pfctl_show_states(dev, ifaceopt, opts); 3184 pfctl_show_src_nodes(dev, opts); 3185 pfctl_show_status(dev, opts); 3186 pfctl_show_rules(dev, path, opts, 1, anchorname, 0, 0); 3187 pfctl_show_timeouts(dev, opts); 3188 pfctl_show_limits(dev, opts); 3189 pfctl_show_tables(anchorname, opts); 3190 pfctl_show_fingerprints(opts); 3191 break; 3192 case 'T': 3193 pfctl_show_tables(anchorname, opts); 3194 break; 3195 case 'o': 3196 pfctl_load_fingerprints(dev, opts); 3197 pfctl_show_fingerprints(opts); 3198 break; 3199 case 'I': 3200 pfctl_show_ifaces(ifaceopt, opts); 3201 break; 3202 case 'c': 3203 pfctl_show_creators(opts); 3204 break; 3205 } 3206 } 3207 3208 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL) { 3209 pfctl_show_eth_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3210 anchorname, 0, 0); 3211 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3212 anchorname, 0, 0); 3213 } 3214 3215 if (clearopt != NULL) { 3216 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3217 errx(1, "anchor names beginning with '_' cannot " 3218 "be modified from the command line"); 3219 3220 switch (*clearopt) { 3221 case 'e': 3222 pfctl_flush_eth_rules(dev, opts, anchorname); 3223 break; 3224 case 'r': 3225 pfctl_flush_rules(dev, opts, anchorname); 3226 break; 3227 case 'n': 3228 pfctl_flush_nat(dev, opts, anchorname); 3229 break; 3230 case 'q': 3231 pfctl_clear_altq(dev, opts); 3232 break; 3233 case 's': 3234 pfctl_clear_iface_states(dev, ifaceopt, opts); 3235 break; 3236 case 'S': 3237 pfctl_clear_src_nodes(dev, opts); 3238 break; 3239 case 'i': 3240 pfctl_clear_stats(dev, opts); 3241 break; 3242 case 'a': 3243 pfctl_flush_eth_rules(dev, opts, anchorname); 3244 pfctl_flush_rules(dev, opts, anchorname); 3245 pfctl_flush_nat(dev, opts, anchorname); 3246 pfctl_clear_tables(anchorname, opts); 3247 if (!*anchorname) { 3248 pfctl_clear_altq(dev, opts); 3249 pfctl_clear_iface_states(dev, ifaceopt, opts); 3250 pfctl_clear_src_nodes(dev, opts); 3251 pfctl_clear_stats(dev, opts); 3252 pfctl_clear_fingerprints(dev, opts); 3253 pfctl_clear_interface_flags(dev, opts); 3254 } 3255 break; 3256 case 'o': 3257 pfctl_clear_fingerprints(dev, opts); 3258 break; 3259 case 'T': 3260 pfctl_clear_tables(anchorname, opts); 3261 break; 3262 } 3263 } 3264 if (state_killers) { 3265 if (!strcmp(state_kill[0], "label")) 3266 pfctl_label_kill_states(dev, ifaceopt, opts); 3267 else if (!strcmp(state_kill[0], "id")) 3268 pfctl_id_kill_states(dev, ifaceopt, opts); 3269 else if (!strcmp(state_kill[0], "gateway")) 3270 pfctl_gateway_kill_states(dev, ifaceopt, opts); 3271 else 3272 pfctl_net_kill_states(dev, ifaceopt, opts); 3273 } 3274 3275 if (src_node_killers) 3276 pfctl_kill_src_nodes(dev, ifaceopt, opts); 3277 3278 if (tblcmdopt != NULL) { 3279 error = pfctl_command_tables(argc, argv, tableopt, 3280 tblcmdopt, rulesopt, anchorname, opts); 3281 rulesopt = NULL; 3282 } 3283 if (optiopt != NULL) { 3284 switch (*optiopt) { 3285 case 'n': 3286 optimize = 0; 3287 break; 3288 case 'b': 3289 optimize |= PF_OPTIMIZE_BASIC; 3290 break; 3291 case 'o': 3292 case 'p': 3293 optimize |= PF_OPTIMIZE_PROFILE; 3294 break; 3295 } 3296 } 3297 3298 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) && 3299 !anchorname[0] && !(opts & PF_OPT_NOACTION)) 3300 if (pfctl_get_skip_ifaces()) 3301 error = 1; 3302 3303 if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) && 3304 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION)) 3305 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE)) 3306 error = 1; 3307 3308 if (rulesopt != NULL) { 3309 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3310 errx(1, "anchor names beginning with '_' cannot " 3311 "be modified from the command line"); 3312 if (pfctl_rules(dev, rulesopt, opts, optimize, 3313 anchorname, NULL)) 3314 error = 1; 3315 else if (!(opts & PF_OPT_NOACTION) && 3316 (loadopt & PFCTL_FLAG_TABLE)) 3317 warn_namespace_collision(NULL); 3318 } 3319 3320 if (opts & PF_OPT_ENABLE) 3321 if (pfctl_enable(dev, opts)) 3322 error = 1; 3323 3324 if (debugopt != NULL) { 3325 switch (*debugopt) { 3326 case 'n': 3327 pfctl_debug(dev, PF_DEBUG_NONE, opts); 3328 break; 3329 case 'u': 3330 pfctl_debug(dev, PF_DEBUG_URGENT, opts); 3331 break; 3332 case 'm': 3333 pfctl_debug(dev, PF_DEBUG_MISC, opts); 3334 break; 3335 case 'l': 3336 pfctl_debug(dev, PF_DEBUG_NOISY, opts); 3337 break; 3338 } 3339 } 3340 3341 exit(error); 3342} 3343