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(struct pfctl_handle *, 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(struct pfctl_handle *h, int opts) 357{ 358 if (pfctl_clear_status(h)) 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 uint32_t seconds; 1660 int i; 1661 1662 if (opts & PF_OPT_SHOWALL) 1663 pfctl_print_title("TIMEOUTS:"); 1664 for (i = 0; pf_timeouts[i].name; i++) { 1665 if (pfctl_get_timeout(pfh, pf_timeouts[i].timeout, &seconds)) 1666 err(1, "DIOCGETTIMEOUT"); 1667 printf("%-20s %10d", pf_timeouts[i].name, seconds); 1668 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START && 1669 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END) 1670 printf(" states"); 1671 else 1672 printf("s"); 1673 printf("\n"); 1674 } 1675 return (0); 1676 1677} 1678 1679int 1680pfctl_show_limits(int dev, int opts) 1681{ 1682 unsigned int limit; 1683 int i; 1684 1685 if (opts & PF_OPT_SHOWALL) 1686 pfctl_print_title("LIMITS:"); 1687 for (i = 0; pf_limits[i].name; i++) { 1688 if (pfctl_get_limit(pfh, pf_limits[i].index, &limit)) 1689 err(1, "DIOCGETLIMIT"); 1690 printf("%-13s ", pf_limits[i].name); 1691 if (limit == UINT_MAX) 1692 printf("unlimited\n"); 1693 else 1694 printf("hard limit %8u\n", limit); 1695 } 1696 return (0); 1697} 1698 1699void 1700pfctl_show_creators(int opts) 1701{ 1702 int ret; 1703 uint32_t creators[16]; 1704 size_t count = nitems(creators); 1705 1706 ret = pfctl_get_creatorids(pfh, creators, &count); 1707 if (ret != 0) 1708 errx(ret, "Failed to retrieve creators"); 1709 1710 printf("Creator IDs:\n"); 1711 for (size_t i = 0; i < count; i++) 1712 printf("%08x\n", creators[i]); 1713} 1714 1715/* callbacks for rule/nat/rdr/addr */ 1716int 1717pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af) 1718{ 1719 struct pf_pooladdr *pa; 1720 1721 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1722 if (pfctl_begin_addrs(pf->h, &pf->paddr.ticket)) 1723 err(1, "DIOCBEGINADDRS"); 1724 } 1725 1726 pf->paddr.af = af; 1727 TAILQ_FOREACH(pa, &p->list, entries) { 1728 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr)); 1729 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1730 if (ioctl(pf->dev, DIOCADDADDR, &pf->paddr)) 1731 err(1, "DIOCADDADDR"); 1732 } 1733 } 1734 return (0); 1735} 1736 1737int 1738pfctl_append_rule(struct pfctl *pf, struct pfctl_rule *r, 1739 const char *anchor_call) 1740{ 1741 u_int8_t rs_num; 1742 struct pfctl_rule *rule; 1743 struct pfctl_ruleset *rs; 1744 char *p; 1745 1746 rs_num = pf_get_ruleset_number(r->action); 1747 if (rs_num == PF_RULESET_MAX) 1748 errx(1, "Invalid rule type %d", r->action); 1749 1750 rs = &pf->anchor->ruleset; 1751 1752 if (anchor_call[0] && r->anchor == NULL) { 1753 /* 1754 * Don't make non-brace anchors part of the main anchor pool. 1755 */ 1756 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1757 err(1, "pfctl_append_rule: calloc"); 1758 1759 pf_init_ruleset(&r->anchor->ruleset); 1760 r->anchor->ruleset.anchor = r->anchor; 1761 if (strlcpy(r->anchor->path, anchor_call, 1762 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1763 errx(1, "pfctl_append_rule: strlcpy"); 1764 if ((p = strrchr(anchor_call, '/')) != NULL) { 1765 if (!strlen(p)) 1766 err(1, "pfctl_append_rule: bad anchor name %s", 1767 anchor_call); 1768 } else 1769 p = (char *)anchor_call; 1770 if (strlcpy(r->anchor->name, p, 1771 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1772 errx(1, "pfctl_append_rule: strlcpy"); 1773 } 1774 1775 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1776 err(1, "calloc"); 1777 bcopy(r, rule, sizeof(*rule)); 1778 TAILQ_INIT(&rule->rpool.list); 1779 pfctl_move_pool(&r->rpool, &rule->rpool); 1780 1781 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries); 1782 return (0); 1783} 1784 1785int 1786pfctl_append_eth_rule(struct pfctl *pf, struct pfctl_eth_rule *r, 1787 const char *anchor_call) 1788{ 1789 struct pfctl_eth_rule *rule; 1790 struct pfctl_eth_ruleset *rs; 1791 char *p; 1792 1793 rs = &pf->eanchor->ruleset; 1794 1795 if (anchor_call[0] && r->anchor == NULL) { 1796 /* 1797 * Don't make non-brace anchors part of the main anchor pool. 1798 */ 1799 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1800 err(1, "pfctl_append_rule: calloc"); 1801 1802 pf_init_eth_ruleset(&r->anchor->ruleset); 1803 r->anchor->ruleset.anchor = r->anchor; 1804 if (strlcpy(r->anchor->path, anchor_call, 1805 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1806 errx(1, "pfctl_append_rule: strlcpy"); 1807 if ((p = strrchr(anchor_call, '/')) != NULL) { 1808 if (!strlen(p)) 1809 err(1, "pfctl_append_eth_rule: bad anchor name %s", 1810 anchor_call); 1811 } else 1812 p = (char *)anchor_call; 1813 if (strlcpy(r->anchor->name, p, 1814 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1815 errx(1, "pfctl_append_eth_rule: strlcpy"); 1816 } 1817 1818 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1819 err(1, "calloc"); 1820 bcopy(r, rule, sizeof(*rule)); 1821 1822 TAILQ_INSERT_TAIL(&rs->rules, rule, entries); 1823 return (0); 1824} 1825 1826int 1827pfctl_eth_ruleset_trans(struct pfctl *pf, char *path, 1828 struct pfctl_eth_anchor *a) 1829{ 1830 int osize = pf->trans->pfrb_size; 1831 1832 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0) { 1833 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1834 return (1); 1835 } 1836 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1837 return (5); 1838 1839 return (0); 1840} 1841 1842int 1843pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pfctl_anchor *a, bool do_eth) 1844{ 1845 int osize = pf->trans->pfrb_size; 1846 1847 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0 && do_eth) { 1848 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1849 return (1); 1850 } 1851 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) { 1852 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) || 1853 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) || 1854 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path)) 1855 return (1); 1856 } 1857 if (a == pf->astack[0] && ((altqsupport && 1858 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) { 1859 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path)) 1860 return (2); 1861 } 1862 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) { 1863 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) || 1864 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path)) 1865 return (3); 1866 } 1867 if (pf->loadopt & PFCTL_FLAG_TABLE) 1868 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path)) 1869 return (4); 1870 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1871 return (5); 1872 1873 return (0); 1874} 1875 1876int 1877pfctl_load_eth_ruleset(struct pfctl *pf, char *path, 1878 struct pfctl_eth_ruleset *rs, int depth) 1879{ 1880 struct pfctl_eth_rule *r; 1881 int error, len = strlen(path); 1882 int brace = 0; 1883 1884 pf->eanchor = rs->anchor; 1885 if (path[0]) 1886 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->eanchor->name); 1887 else 1888 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->eanchor->name); 1889 1890 if (depth) { 1891 if (TAILQ_FIRST(&rs->rules) != NULL) { 1892 brace++; 1893 if (pf->opts & PF_OPT_VERBOSE) 1894 printf(" {\n"); 1895 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1896 (error = pfctl_eth_ruleset_trans(pf, 1897 path, rs->anchor))) { 1898 printf("pfctl_load_eth_rulesets: " 1899 "pfctl_eth_ruleset_trans %d\n", error); 1900 goto error; 1901 } 1902 } else if (pf->opts & PF_OPT_VERBOSE) 1903 printf("\n"); 1904 } 1905 1906 while ((r = TAILQ_FIRST(&rs->rules)) != NULL) { 1907 TAILQ_REMOVE(&rs->rules, r, entries); 1908 1909 error = pfctl_load_eth_rule(pf, path, r, depth); 1910 if (error) 1911 return (error); 1912 1913 if (r->anchor) { 1914 if ((error = pfctl_load_eth_ruleset(pf, path, 1915 &r->anchor->ruleset, depth + 1))) 1916 return (error); 1917 } else if (pf->opts & PF_OPT_VERBOSE) 1918 printf("\n"); 1919 free(r); 1920 } 1921 if (brace && pf->opts & PF_OPT_VERBOSE) { 1922 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 1923 printf("}\n"); 1924 } 1925 path[len] = '\0'; 1926 1927 return (0); 1928error: 1929 path[len] = '\0'; 1930 return (error); 1931} 1932 1933int 1934pfctl_load_eth_rule(struct pfctl *pf, char *path, struct pfctl_eth_rule *r, 1935 int depth) 1936{ 1937 char *name; 1938 char anchor[PF_ANCHOR_NAME_SIZE]; 1939 int len = strlen(path); 1940 1941 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 1942 errx(1, "pfctl_load_eth_rule: strlcpy"); 1943 1944 if (r->anchor) { 1945 if (r->anchor->match) { 1946 if (path[0]) 1947 snprintf(&path[len], MAXPATHLEN - len, 1948 "/%s", r->anchor->name); 1949 else 1950 snprintf(&path[len], MAXPATHLEN - len, 1951 "%s", r->anchor->name); 1952 name = r->anchor->name; 1953 } else 1954 name = r->anchor->path; 1955 } else 1956 name = ""; 1957 1958 if ((pf->opts & PF_OPT_NOACTION) == 0) 1959 if (pfctl_add_eth_rule(pf->dev, r, anchor, name, 1960 pf->eth_ticket)) 1961 err(1, "DIOCADDETHRULENV"); 1962 1963 if (pf->opts & PF_OPT_VERBOSE) { 1964 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 1965 print_eth_rule(r, r->anchor ? r->anchor->name : "", 1966 pf->opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1967 } 1968 1969 path[len] = '\0'; 1970 1971 return (0); 1972} 1973 1974int 1975pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs, 1976 int rs_num, int depth) 1977{ 1978 struct pfctl_rule *r; 1979 int error, len = strlen(path); 1980 int brace = 0; 1981 1982 pf->anchor = rs->anchor; 1983 1984 if (path[0]) 1985 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name); 1986 else 1987 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name); 1988 1989 if (depth) { 1990 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) { 1991 brace++; 1992 if (pf->opts & PF_OPT_VERBOSE) 1993 printf(" {\n"); 1994 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1995 (error = pfctl_ruleset_trans(pf, 1996 path, rs->anchor, false))) { 1997 printf("pfctl_load_rulesets: " 1998 "pfctl_ruleset_trans %d\n", error); 1999 goto error; 2000 } 2001 } else if (pf->opts & PF_OPT_VERBOSE) 2002 printf("\n"); 2003 2004 } 2005 2006 if (pf->optimize && rs_num == PF_RULESET_FILTER) 2007 pfctl_optimize_ruleset(pf, rs); 2008 2009 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) { 2010 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries); 2011 2012 for (int i = 0; i < PF_RULE_MAX_LABEL_COUNT; i++) 2013 expand_label(r->label[i], PF_RULE_LABEL_SIZE, r); 2014 expand_label(r->tagname, PF_TAG_NAME_SIZE, r); 2015 expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r); 2016 2017 if ((error = pfctl_load_rule(pf, path, r, depth))) 2018 goto error; 2019 if (r->anchor) { 2020 if ((error = pfctl_load_ruleset(pf, path, 2021 &r->anchor->ruleset, rs_num, depth + 1))) 2022 goto error; 2023 } else if (pf->opts & PF_OPT_VERBOSE) 2024 printf("\n"); 2025 free(r); 2026 } 2027 if (brace && pf->opts & PF_OPT_VERBOSE) { 2028 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 2029 printf("}\n"); 2030 } 2031 path[len] = '\0'; 2032 return (0); 2033 2034 error: 2035 path[len] = '\0'; 2036 return (error); 2037 2038} 2039 2040int 2041pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth) 2042{ 2043 u_int8_t rs_num = pf_get_ruleset_number(r->action); 2044 char *name; 2045 u_int32_t ticket; 2046 char anchor[PF_ANCHOR_NAME_SIZE]; 2047 int len = strlen(path); 2048 int error; 2049 bool was_present; 2050 2051 /* set up anchor before adding to path for anchor_call */ 2052 if ((pf->opts & PF_OPT_NOACTION) == 0) 2053 ticket = pfctl_get_ticket(pf->trans, rs_num, path); 2054 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 2055 errx(1, "pfctl_load_rule: strlcpy"); 2056 2057 if (r->anchor) { 2058 if (r->anchor->match) { 2059 if (path[0]) 2060 snprintf(&path[len], MAXPATHLEN - len, 2061 "/%s", r->anchor->name); 2062 else 2063 snprintf(&path[len], MAXPATHLEN - len, 2064 "%s", r->anchor->name); 2065 name = r->anchor->name; 2066 } else 2067 name = r->anchor->path; 2068 } else 2069 name = ""; 2070 2071 was_present = false; 2072 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2073 if (pfctl_add_pool(pf, &r->rpool, r->af)) 2074 return (1); 2075 error = pfctl_add_rule_h(pf->h, r, anchor, name, ticket, 2076 pf->paddr.ticket); 2077 switch (error) { 2078 case 0: 2079 /* things worked, do nothing */ 2080 break; 2081 case EEXIST: 2082 /* an identical rule is already present */ 2083 was_present = true; 2084 break; 2085 default: 2086 err(1, "DIOCADDRULENV"); 2087 } 2088 } 2089 2090 if (pf->opts & PF_OPT_VERBOSE) { 2091 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 2092 print_rule(r, name, 2093 pf->opts & PF_OPT_VERBOSE2, 2094 pf->opts & PF_OPT_NUMERIC); 2095 if (was_present) 2096 printf(" -- rule was already present"); 2097 } 2098 path[len] = '\0'; 2099 pfctl_clear_pool(&r->rpool); 2100 return (0); 2101} 2102 2103int 2104pfctl_add_altq(struct pfctl *pf, struct pf_altq *a) 2105{ 2106 if (altqsupport && 2107 (loadopt & PFCTL_FLAG_ALTQ) != 0) { 2108 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq)); 2109 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2110 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) { 2111 if (errno == ENXIO) 2112 errx(1, "qtype not configured"); 2113 else if (errno == ENODEV) 2114 errx(1, "%s: driver does not support " 2115 "altq", a->ifname); 2116 else 2117 err(1, "DIOCADDALTQ"); 2118 } 2119 } 2120 pfaltq_store(&pf->paltq->altq); 2121 } 2122 return (0); 2123} 2124 2125int 2126pfctl_rules(int dev, char *filename, int opts, int optimize, 2127 char *anchorname, struct pfr_buffer *trans) 2128{ 2129#define ERR(x) do { warn(x); goto _error; } while(0) 2130#define ERRX(x) do { warnx(x); goto _error; } while(0) 2131 2132 struct pfr_buffer *t, buf; 2133 struct pfioc_altq pa; 2134 struct pfctl pf; 2135 struct pfctl_ruleset *rs; 2136 struct pfctl_eth_ruleset *ethrs; 2137 struct pfr_table trs; 2138 char *path; 2139 int osize; 2140 2141 RB_INIT(&pf_anchors); 2142 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor)); 2143 pf_init_ruleset(&pf_main_anchor.ruleset); 2144 pf_main_anchor.ruleset.anchor = &pf_main_anchor; 2145 2146 memset(&pf_eth_main_anchor, 0, sizeof(pf_eth_main_anchor)); 2147 pf_init_eth_ruleset(&pf_eth_main_anchor.ruleset); 2148 pf_eth_main_anchor.ruleset.anchor = &pf_eth_main_anchor; 2149 2150 if (trans == NULL) { 2151 bzero(&buf, sizeof(buf)); 2152 buf.pfrb_type = PFRB_TRANS; 2153 t = &buf; 2154 osize = 0; 2155 } else { 2156 t = trans; 2157 osize = t->pfrb_size; 2158 } 2159 2160 memset(&pa, 0, sizeof(pa)); 2161 pa.version = PFIOC_ALTQ_VERSION; 2162 memset(&pf, 0, sizeof(pf)); 2163 memset(&trs, 0, sizeof(trs)); 2164 if ((path = calloc(1, MAXPATHLEN)) == NULL) 2165 ERRX("pfctl_rules: calloc"); 2166 if (strlcpy(trs.pfrt_anchor, anchorname, 2167 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor)) 2168 ERRX("pfctl_rules: strlcpy"); 2169 pf.dev = dev; 2170 pf.h = pfh; 2171 pf.opts = opts; 2172 pf.optimize = optimize; 2173 pf.loadopt = loadopt; 2174 2175 /* non-brace anchor, create without resolving the path */ 2176 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL) 2177 ERRX("pfctl_rules: calloc"); 2178 rs = &pf.anchor->ruleset; 2179 pf_init_ruleset(rs); 2180 rs->anchor = pf.anchor; 2181 if (strlcpy(pf.anchor->path, anchorname, 2182 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path)) 2183 errx(1, "pfctl_rules: strlcpy"); 2184 if (strlcpy(pf.anchor->name, anchorname, 2185 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name)) 2186 errx(1, "pfctl_rules: strlcpy"); 2187 2188 2189 pf.astack[0] = pf.anchor; 2190 pf.asd = 0; 2191 if (anchorname[0]) 2192 pf.loadopt &= ~PFCTL_FLAG_ALTQ; 2193 pf.paltq = &pa; 2194 pf.trans = t; 2195 pfctl_init_options(&pf); 2196 2197 /* Set up ethernet anchor */ 2198 if ((pf.eanchor = calloc(1, sizeof(*pf.eanchor))) == NULL) 2199 ERRX("pfctl_rules: calloc"); 2200 2201 if (strlcpy(pf.eanchor->path, anchorname, 2202 sizeof(pf.eanchor->path)) >= sizeof(pf.eanchor->path)) 2203 errx(1, "pfctl_rules: strlcpy"); 2204 if (strlcpy(pf.eanchor->name, anchorname, 2205 sizeof(pf.eanchor->name)) >= sizeof(pf.eanchor->name)) 2206 errx(1, "pfctl_rules: strlcpy"); 2207 2208 ethrs = &pf.eanchor->ruleset; 2209 pf_init_eth_ruleset(ethrs); 2210 ethrs->anchor = pf.eanchor; 2211 pf.eastack[0] = pf.eanchor; 2212 2213 if ((opts & PF_OPT_NOACTION) == 0) { 2214 /* 2215 * XXX For the time being we need to open transactions for 2216 * the main ruleset before parsing, because tables are still 2217 * loaded at parse time. 2218 */ 2219 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor, true)) 2220 ERRX("pfctl_rules"); 2221 if (pf.loadopt & PFCTL_FLAG_ETH) 2222 pf.eth_ticket = pfctl_get_ticket(t, PF_RULESET_ETH, anchorname); 2223 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ)) 2224 pa.ticket = 2225 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname); 2226 if (pf.loadopt & PFCTL_FLAG_TABLE) 2227 pf.astack[0]->ruleset.tticket = 2228 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname); 2229 } 2230 2231 if (parse_config(filename, &pf) < 0) { 2232 if ((opts & PF_OPT_NOACTION) == 0) 2233 ERRX("Syntax error in config file: " 2234 "pf rules not loaded"); 2235 else 2236 goto _error; 2237 } 2238 if (loadopt & PFCTL_FLAG_OPTION) 2239 pfctl_adjust_skip_ifaces(&pf); 2240 2241 if ((pf.loadopt & PFCTL_FLAG_FILTER && 2242 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) || 2243 (pf.loadopt & PFCTL_FLAG_ETH && 2244 (pfctl_load_eth_ruleset(&pf, path, ethrs, 0))) || 2245 (pf.loadopt & PFCTL_FLAG_NAT && 2246 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) || 2247 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) || 2248 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) || 2249 (pf.loadopt & PFCTL_FLAG_FILTER && 2250 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) { 2251 if ((opts & PF_OPT_NOACTION) == 0) 2252 ERRX("Unable to load rules into kernel"); 2253 else 2254 goto _error; 2255 } 2256 2257 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0)) 2258 if (check_commit_altq(dev, opts) != 0) 2259 ERRX("errors in altq config"); 2260 2261 /* process "load anchor" directives */ 2262 if (!anchorname[0]) 2263 if (pfctl_load_anchors(dev, &pf, t) == -1) 2264 ERRX("load anchors"); 2265 2266 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) { 2267 if (!anchorname[0]) 2268 if (pfctl_load_options(&pf)) 2269 goto _error; 2270 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize)) 2271 ERR("DIOCXCOMMIT"); 2272 } 2273 free(path); 2274 return (0); 2275 2276_error: 2277 if (trans == NULL) { /* main ruleset */ 2278 if ((opts & PF_OPT_NOACTION) == 0) 2279 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize)) 2280 err(1, "DIOCXROLLBACK"); 2281 exit(1); 2282 } else { /* sub ruleset */ 2283 free(path); 2284 return (-1); 2285 } 2286 2287#undef ERR 2288#undef ERRX 2289} 2290 2291FILE * 2292pfctl_fopen(const char *name, const char *mode) 2293{ 2294 struct stat st; 2295 FILE *fp; 2296 2297 fp = fopen(name, mode); 2298 if (fp == NULL) 2299 return (NULL); 2300 if (fstat(fileno(fp), &st)) { 2301 fclose(fp); 2302 return (NULL); 2303 } 2304 if (S_ISDIR(st.st_mode)) { 2305 fclose(fp); 2306 errno = EISDIR; 2307 return (NULL); 2308 } 2309 return (fp); 2310} 2311 2312void 2313pfctl_init_options(struct pfctl *pf) 2314{ 2315 2316 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2317 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; 2318 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2319 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2320 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; 2321 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2322 pf->timeout[PFTM_SCTP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2323 pf->timeout[PFTM_SCTP_OPENING] = PFTM_TCP_OPENING_VAL; 2324 pf->timeout[PFTM_SCTP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2325 pf->timeout[PFTM_SCTP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2326 pf->timeout[PFTM_SCTP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2327 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; 2328 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; 2329 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; 2330 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; 2331 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; 2332 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; 2333 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; 2334 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; 2335 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL; 2336 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; 2337 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; 2338 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; 2339 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; 2340 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; 2341 2342 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT; 2343 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT; 2344 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT; 2345 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT; 2346 2347 pf->debug = PF_DEBUG_URGENT; 2348 pf->reassemble = 0; 2349 2350 pf->syncookies = false; 2351 pf->syncookieswat[0] = PF_SYNCOOKIES_LOWATPCT; 2352 pf->syncookieswat[1] = PF_SYNCOOKIES_HIWATPCT; 2353} 2354 2355int 2356pfctl_load_options(struct pfctl *pf) 2357{ 2358 int i, error = 0; 2359 2360 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2361 return (0); 2362 2363 /* load limits */ 2364 for (i = 0; i < PF_LIMIT_MAX; i++) { 2365 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i]) 2366 continue; 2367 if (pfctl_load_limit(pf, i, pf->limit[i])) 2368 error = 1; 2369 } 2370 2371 /* 2372 * If we've set the limit, but haven't explicitly set adaptive 2373 * timeouts, do it now with a start of 60% and end of 120%. 2374 */ 2375 if (pf->limit_set[PF_LIMIT_STATES] && 2376 !pf->timeout_set[PFTM_ADAPTIVE_START] && 2377 !pf->timeout_set[PFTM_ADAPTIVE_END]) { 2378 pf->timeout[PFTM_ADAPTIVE_START] = 2379 (pf->limit[PF_LIMIT_STATES] / 10) * 6; 2380 pf->timeout_set[PFTM_ADAPTIVE_START] = 1; 2381 pf->timeout[PFTM_ADAPTIVE_END] = 2382 (pf->limit[PF_LIMIT_STATES] / 10) * 12; 2383 pf->timeout_set[PFTM_ADAPTIVE_END] = 1; 2384 } 2385 2386 /* load timeouts */ 2387 for (i = 0; i < PFTM_MAX; i++) { 2388 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i]) 2389 continue; 2390 if (pfctl_load_timeout(pf, i, pf->timeout[i])) 2391 error = 1; 2392 } 2393 2394 /* load debug */ 2395 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set) 2396 if (pfctl_load_debug(pf, pf->debug)) 2397 error = 1; 2398 2399 /* load logif */ 2400 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set) 2401 if (pfctl_load_logif(pf, pf->ifname)) 2402 error = 1; 2403 2404 /* load hostid */ 2405 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set) 2406 if (pfctl_load_hostid(pf, pf->hostid)) 2407 error = 1; 2408 2409 /* load reassembly settings */ 2410 if (!(pf->opts & PF_OPT_MERGE) || pf->reass_set) 2411 if (pfctl_load_reassembly(pf, pf->reassemble)) 2412 error = 1; 2413 2414 /* load keepcounters */ 2415 if (pfctl_set_keepcounters(pf->dev, pf->keep_counters)) 2416 error = 1; 2417 2418 /* load syncookies settings */ 2419 if (pfctl_load_syncookies(pf, pf->syncookies)) 2420 error = 1; 2421 2422 return (error); 2423} 2424 2425int 2426pfctl_apply_limit(struct pfctl *pf, const char *opt, unsigned int limit) 2427{ 2428 int i; 2429 2430 2431 for (i = 0; pf_limits[i].name; i++) { 2432 if (strcasecmp(opt, pf_limits[i].name) == 0) { 2433 pf->limit[pf_limits[i].index] = limit; 2434 pf->limit_set[pf_limits[i].index] = 1; 2435 break; 2436 } 2437 } 2438 if (pf_limits[i].name == NULL) { 2439 warnx("Bad pool name."); 2440 return (1); 2441 } 2442 2443 if (pf->opts & PF_OPT_VERBOSE) 2444 printf("set limit %s %d\n", opt, limit); 2445 2446 return (0); 2447} 2448 2449int 2450pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit) 2451{ 2452 if (pfctl_set_limit(pf->h, index, limit)) { 2453 if (errno == EBUSY) 2454 warnx("Current pool size exceeds requested hard limit"); 2455 else 2456 warnx("DIOCSETLIMIT"); 2457 return (1); 2458 } 2459 return (0); 2460} 2461 2462int 2463pfctl_apply_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet) 2464{ 2465 int i; 2466 2467 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2468 return (0); 2469 2470 for (i = 0; pf_timeouts[i].name; i++) { 2471 if (strcasecmp(opt, pf_timeouts[i].name) == 0) { 2472 pf->timeout[pf_timeouts[i].timeout] = seconds; 2473 pf->timeout_set[pf_timeouts[i].timeout] = 1; 2474 break; 2475 } 2476 } 2477 2478 if (pf_timeouts[i].name == NULL) { 2479 warnx("Bad timeout name."); 2480 return (1); 2481 } 2482 2483 2484 if (pf->opts & PF_OPT_VERBOSE && ! quiet) 2485 printf("set timeout %s %d\n", opt, seconds); 2486 2487 return (0); 2488} 2489 2490int 2491pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds) 2492{ 2493 if (pfctl_set_timeout(pf->h, timeout, seconds)) { 2494 warnx("DIOCSETTIMEOUT"); 2495 return (1); 2496 } 2497 return (0); 2498} 2499 2500int 2501pfctl_set_reassembly(struct pfctl *pf, int on, int nodf) 2502{ 2503 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2504 return (0); 2505 2506 pf->reass_set = 1; 2507 if (on) { 2508 pf->reassemble = PF_REASS_ENABLED; 2509 if (nodf) 2510 pf->reassemble |= PF_REASS_NODF; 2511 } else { 2512 pf->reassemble = 0; 2513 } 2514 2515 if (pf->opts & PF_OPT_VERBOSE) 2516 printf("set reassemble %s %s\n", on ? "yes" : "no", 2517 nodf ? "no-df" : ""); 2518 2519 return (0); 2520} 2521 2522int 2523pfctl_set_optimization(struct pfctl *pf, const char *opt) 2524{ 2525 const struct pf_hint *hint; 2526 int i, r; 2527 2528 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2529 return (0); 2530 2531 for (i = 0; pf_hints[i].name; i++) 2532 if (strcasecmp(opt, pf_hints[i].name) == 0) 2533 break; 2534 2535 hint = pf_hints[i].hint; 2536 if (hint == NULL) { 2537 warnx("invalid state timeouts optimization"); 2538 return (1); 2539 } 2540 2541 for (i = 0; hint[i].name; i++) 2542 if ((r = pfctl_apply_timeout(pf, hint[i].name, 2543 hint[i].timeout, 1))) 2544 return (r); 2545 2546 if (pf->opts & PF_OPT_VERBOSE) 2547 printf("set optimization %s\n", opt); 2548 2549 return (0); 2550} 2551 2552int 2553pfctl_set_logif(struct pfctl *pf, char *ifname) 2554{ 2555 2556 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2557 return (0); 2558 2559 if (!strcmp(ifname, "none")) { 2560 free(pf->ifname); 2561 pf->ifname = NULL; 2562 } else { 2563 pf->ifname = strdup(ifname); 2564 if (!pf->ifname) 2565 errx(1, "pfctl_set_logif: strdup"); 2566 } 2567 pf->ifname_set = 1; 2568 2569 if (pf->opts & PF_OPT_VERBOSE) 2570 printf("set loginterface %s\n", ifname); 2571 2572 return (0); 2573} 2574 2575int 2576pfctl_load_logif(struct pfctl *pf, char *ifname) 2577{ 2578 if (ifname != NULL && strlen(ifname) >= IFNAMSIZ) { 2579 warnx("pfctl_load_logif: strlcpy"); 2580 return (1); 2581 } 2582 return (pfctl_set_statusif(pfh, ifname ? ifname : "")); 2583} 2584 2585int 2586pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid) 2587{ 2588 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2589 return (0); 2590 2591 HTONL(hostid); 2592 2593 pf->hostid = hostid; 2594 pf->hostid_set = 1; 2595 2596 if (pf->opts & PF_OPT_VERBOSE) 2597 printf("set hostid 0x%08x\n", ntohl(hostid)); 2598 2599 return (0); 2600} 2601 2602int 2603pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid) 2604{ 2605 if (ioctl(dev, DIOCSETHOSTID, &hostid)) { 2606 warnx("DIOCSETHOSTID"); 2607 return (1); 2608 } 2609 return (0); 2610} 2611 2612int 2613pfctl_load_reassembly(struct pfctl *pf, u_int32_t reassembly) 2614{ 2615 if (ioctl(dev, DIOCSETREASS, &reassembly)) { 2616 warnx("DIOCSETREASS"); 2617 return (1); 2618 } 2619 return (0); 2620} 2621 2622int 2623pfctl_load_syncookies(struct pfctl *pf, u_int8_t val) 2624{ 2625 struct pfctl_syncookies cookies; 2626 2627 bzero(&cookies, sizeof(cookies)); 2628 2629 cookies.mode = val; 2630 cookies.lowwater = pf->syncookieswat[0]; 2631 cookies.highwater = pf->syncookieswat[1]; 2632 2633 if (pfctl_set_syncookies(dev, &cookies)) { 2634 warnx("DIOCSETSYNCOOKIES"); 2635 return (1); 2636 } 2637 return (0); 2638} 2639 2640int 2641pfctl_cfg_syncookies(struct pfctl *pf, uint8_t val, struct pfctl_watermarks *w) 2642{ 2643 if (val != PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2644 warnx("syncookies start/end only apply to adaptive"); 2645 return (1); 2646 } 2647 if (val == PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2648 if (!w->hi) 2649 w->hi = PF_SYNCOOKIES_HIWATPCT; 2650 if (!w->lo) 2651 w->lo = w->hi / 2; 2652 if (w->lo >= w->hi) { 2653 warnx("start must be higher than end"); 2654 return (1); 2655 } 2656 pf->syncookieswat[0] = w->lo; 2657 pf->syncookieswat[1] = w->hi; 2658 pf->syncookieswat_set = 1; 2659 } 2660 2661 if (pf->opts & PF_OPT_VERBOSE) { 2662 if (val == PF_SYNCOOKIES_NEVER) 2663 printf("set syncookies never\n"); 2664 else if (val == PF_SYNCOOKIES_ALWAYS) 2665 printf("set syncookies always\n"); 2666 else if (val == PF_SYNCOOKIES_ADAPTIVE) { 2667 if (pf->syncookieswat_set) 2668 printf("set syncookies adaptive (start %u%%, " 2669 "end %u%%)\n", pf->syncookieswat[1], 2670 pf->syncookieswat[0]); 2671 else 2672 printf("set syncookies adaptive\n"); 2673 } else { /* cannot happen */ 2674 warnx("king bula ate all syncookies"); 2675 return (1); 2676 } 2677 } 2678 2679 pf->syncookies = val; 2680 return (0); 2681} 2682 2683int 2684pfctl_do_set_debug(struct pfctl *pf, char *d) 2685{ 2686 u_int32_t level; 2687 2688 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2689 return (0); 2690 2691 if (!strcmp(d, "none")) 2692 pf->debug = PF_DEBUG_NONE; 2693 else if (!strcmp(d, "urgent")) 2694 pf->debug = PF_DEBUG_URGENT; 2695 else if (!strcmp(d, "misc")) 2696 pf->debug = PF_DEBUG_MISC; 2697 else if (!strcmp(d, "loud")) 2698 pf->debug = PF_DEBUG_NOISY; 2699 else { 2700 warnx("unknown debug level \"%s\"", d); 2701 return (-1); 2702 } 2703 2704 pf->debug_set = 1; 2705 level = pf->debug; 2706 2707 if ((pf->opts & PF_OPT_NOACTION) == 0) 2708 if (pfctl_set_debug(pfh, level)) 2709 err(1, "DIOCSETDEBUG"); 2710 2711 if (pf->opts & PF_OPT_VERBOSE) 2712 printf("set debug %s\n", d); 2713 2714 return (0); 2715} 2716 2717int 2718pfctl_load_debug(struct pfctl *pf, unsigned int level) 2719{ 2720 if (pfctl_set_debug(pf->h, level)) { 2721 warnx("DIOCSETDEBUG"); 2722 return (1); 2723 } 2724 return (0); 2725} 2726 2727int 2728pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how) 2729{ 2730 struct pfioc_iface pi; 2731 struct node_host *h = NULL, *n = NULL; 2732 2733 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2734 return (0); 2735 2736 bzero(&pi, sizeof(pi)); 2737 2738 pi.pfiio_flags = flags; 2739 2740 /* Make sure our cache matches the kernel. If we set or clear the flag 2741 * for a group this applies to all members. */ 2742 h = ifa_grouplookup(ifname, 0); 2743 for (n = h; n != NULL; n = n->next) 2744 pfctl_set_interface_flags(pf, n->ifname, flags, how); 2745 2746 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >= 2747 sizeof(pi.pfiio_name)) 2748 errx(1, "pfctl_set_interface_flags: strlcpy"); 2749 2750 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2751 if (how == 0) { 2752 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi)) 2753 err(1, "DIOCCLRIFFLAG"); 2754 } else { 2755 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi)) 2756 err(1, "DIOCSETIFFLAG"); 2757 pfctl_check_skip_ifaces(ifname); 2758 } 2759 } 2760 return (0); 2761} 2762 2763void 2764pfctl_debug(int dev, u_int32_t level, int opts) 2765{ 2766 if (pfctl_set_debug(pfh, level)) 2767 err(1, "DIOCSETDEBUG"); 2768 if ((opts & PF_OPT_QUIET) == 0) { 2769 fprintf(stderr, "debug level set to '"); 2770 switch (level) { 2771 case PF_DEBUG_NONE: 2772 fprintf(stderr, "none"); 2773 break; 2774 case PF_DEBUG_URGENT: 2775 fprintf(stderr, "urgent"); 2776 break; 2777 case PF_DEBUG_MISC: 2778 fprintf(stderr, "misc"); 2779 break; 2780 case PF_DEBUG_NOISY: 2781 fprintf(stderr, "loud"); 2782 break; 2783 default: 2784 fprintf(stderr, "<invalid>"); 2785 break; 2786 } 2787 fprintf(stderr, "'\n"); 2788 } 2789} 2790 2791int 2792pfctl_test_altqsupport(int dev, int opts) 2793{ 2794 struct pfioc_altq pa; 2795 2796 pa.version = PFIOC_ALTQ_VERSION; 2797 if (ioctl(dev, DIOCGETALTQS, &pa)) { 2798 if (errno == ENODEV) { 2799 if (opts & PF_OPT_VERBOSE) 2800 fprintf(stderr, "No ALTQ support in kernel\n" 2801 "ALTQ related functions disabled\n"); 2802 return (0); 2803 } else 2804 err(1, "DIOCGETALTQS"); 2805 } 2806 return (1); 2807} 2808 2809int 2810pfctl_show_anchors(int dev, int opts, char *anchorname) 2811{ 2812 struct pfioc_ruleset pr; 2813 u_int32_t mnr, nr; 2814 2815 memset(&pr, 0, sizeof(pr)); 2816 memcpy(pr.path, anchorname, sizeof(pr.path)); 2817 if (ioctl(dev, DIOCGETRULESETS, &pr)) { 2818 if (errno == EINVAL) 2819 fprintf(stderr, "Anchor '%s' not found.\n", 2820 anchorname); 2821 else 2822 err(1, "DIOCGETRULESETS"); 2823 return (-1); 2824 } 2825 mnr = pr.nr; 2826 for (nr = 0; nr < mnr; ++nr) { 2827 char sub[MAXPATHLEN]; 2828 2829 pr.nr = nr; 2830 if (ioctl(dev, DIOCGETRULESET, &pr)) 2831 err(1, "DIOCGETRULESET"); 2832 if (!strcmp(pr.name, PF_RESERVED_ANCHOR)) 2833 continue; 2834 sub[0] = 0; 2835 if (pr.path[0]) { 2836 strlcat(sub, pr.path, sizeof(sub)); 2837 strlcat(sub, "/", sizeof(sub)); 2838 } 2839 strlcat(sub, pr.name, sizeof(sub)); 2840 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2841 printf(" %s\n", sub); 2842 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub)) 2843 return (-1); 2844 } 2845 return (0); 2846} 2847 2848int 2849pfctl_show_eth_anchors(int dev, int opts, char *anchorname) 2850{ 2851 struct pfctl_eth_rulesets_info ri; 2852 struct pfctl_eth_ruleset_info rs; 2853 int ret; 2854 2855 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, anchorname)) != 0) { 2856 if (ret == ENOENT) 2857 fprintf(stderr, "Anchor '%s' not found.\n", 2858 anchorname); 2859 else 2860 err(1, "DIOCGETETHRULESETS"); 2861 return (-1); 2862 } 2863 2864 for (int nr = 0; nr < ri.nr; nr++) { 2865 char sub[MAXPATHLEN]; 2866 2867 if (pfctl_get_eth_ruleset(dev, anchorname, nr, &rs) != 0) 2868 err(1, "DIOCGETETHRULESET"); 2869 2870 if (!strcmp(rs.name, PF_RESERVED_ANCHOR)) 2871 continue; 2872 sub[0] = 0; 2873 if (rs.path[0]) { 2874 strlcat(sub, rs.path, sizeof(sub)); 2875 strlcat(sub, "/", sizeof(sub)); 2876 } 2877 strlcat(sub, rs.name, sizeof(sub)); 2878 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2879 printf(" %s\n", sub); 2880 if ((opts & PF_OPT_VERBOSE) && pfctl_show_eth_anchors(dev, opts, sub)) 2881 return (-1); 2882 } 2883 return (0); 2884} 2885 2886const char * 2887pfctl_lookup_option(char *cmd, const char * const *list) 2888{ 2889 if (cmd != NULL && *cmd) 2890 for (; *list; list++) 2891 if (!strncmp(cmd, *list, strlen(cmd))) 2892 return (*list); 2893 return (NULL); 2894} 2895 2896int 2897main(int argc, char *argv[]) 2898{ 2899 int error = 0; 2900 int ch; 2901 int mode = O_RDONLY; 2902 int opts = 0; 2903 int optimize = PF_OPTIMIZE_BASIC; 2904 char anchorname[MAXPATHLEN]; 2905 char *path; 2906 2907 if (argc < 2) 2908 usage(); 2909 2910 while ((ch = getopt(argc, argv, 2911 "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) { 2912 switch (ch) { 2913 case 'a': 2914 anchoropt = optarg; 2915 break; 2916 case 'd': 2917 opts |= PF_OPT_DISABLE; 2918 mode = O_RDWR; 2919 break; 2920 case 'D': 2921 if (pfctl_cmdline_symset(optarg) < 0) 2922 warnx("could not parse macro definition %s", 2923 optarg); 2924 break; 2925 case 'e': 2926 opts |= PF_OPT_ENABLE; 2927 mode = O_RDWR; 2928 break; 2929 case 'q': 2930 opts |= PF_OPT_QUIET; 2931 break; 2932 case 'F': 2933 clearopt = pfctl_lookup_option(optarg, clearopt_list); 2934 if (clearopt == NULL) { 2935 warnx("Unknown flush modifier '%s'", optarg); 2936 usage(); 2937 } 2938 mode = O_RDWR; 2939 break; 2940 case 'i': 2941 ifaceopt = optarg; 2942 break; 2943 case 'k': 2944 if (state_killers >= 2) { 2945 warnx("can only specify -k twice"); 2946 usage(); 2947 /* NOTREACHED */ 2948 } 2949 state_kill[state_killers++] = optarg; 2950 mode = O_RDWR; 2951 break; 2952 case 'K': 2953 if (src_node_killers >= 2) { 2954 warnx("can only specify -K twice"); 2955 usage(); 2956 /* NOTREACHED */ 2957 } 2958 src_node_kill[src_node_killers++] = optarg; 2959 mode = O_RDWR; 2960 break; 2961 case 'm': 2962 opts |= PF_OPT_MERGE; 2963 break; 2964 case 'M': 2965 opts |= PF_OPT_KILLMATCH; 2966 break; 2967 case 'n': 2968 opts |= PF_OPT_NOACTION; 2969 break; 2970 case 'N': 2971 loadopt |= PFCTL_FLAG_NAT; 2972 break; 2973 case 'r': 2974 opts |= PF_OPT_USEDNS; 2975 break; 2976 case 'f': 2977 rulesopt = optarg; 2978 mode = O_RDWR; 2979 break; 2980 case 'g': 2981 opts |= PF_OPT_DEBUG; 2982 break; 2983 case 'A': 2984 loadopt |= PFCTL_FLAG_ALTQ; 2985 break; 2986 case 'R': 2987 loadopt |= PFCTL_FLAG_FILTER; 2988 break; 2989 case 'o': 2990 optiopt = pfctl_lookup_option(optarg, optiopt_list); 2991 if (optiopt == NULL) { 2992 warnx("Unknown optimization '%s'", optarg); 2993 usage(); 2994 } 2995 opts |= PF_OPT_OPTIMIZE; 2996 break; 2997 case 'O': 2998 loadopt |= PFCTL_FLAG_OPTION; 2999 break; 3000 case 'p': 3001 pf_device = optarg; 3002 break; 3003 case 'P': 3004 opts |= PF_OPT_NUMERIC; 3005 break; 3006 case 's': 3007 showopt = pfctl_lookup_option(optarg, showopt_list); 3008 if (showopt == NULL) { 3009 warnx("Unknown show modifier '%s'", optarg); 3010 usage(); 3011 } 3012 break; 3013 case 't': 3014 tableopt = optarg; 3015 break; 3016 case 'T': 3017 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list); 3018 if (tblcmdopt == NULL) { 3019 warnx("Unknown table command '%s'", optarg); 3020 usage(); 3021 } 3022 break; 3023 case 'v': 3024 if (opts & PF_OPT_VERBOSE) 3025 opts |= PF_OPT_VERBOSE2; 3026 opts |= PF_OPT_VERBOSE; 3027 break; 3028 case 'x': 3029 debugopt = pfctl_lookup_option(optarg, debugopt_list); 3030 if (debugopt == NULL) { 3031 warnx("Unknown debug level '%s'", optarg); 3032 usage(); 3033 } 3034 mode = O_RDWR; 3035 break; 3036 case 'z': 3037 opts |= PF_OPT_CLRRULECTRS; 3038 mode = O_RDWR; 3039 break; 3040 case 'h': 3041 /* FALLTHROUGH */ 3042 default: 3043 usage(); 3044 /* NOTREACHED */ 3045 } 3046 } 3047 3048 if (tblcmdopt != NULL) { 3049 argc -= optind; 3050 argv += optind; 3051 ch = *tblcmdopt; 3052 if (ch == 'l') { 3053 loadopt |= PFCTL_FLAG_TABLE; 3054 tblcmdopt = NULL; 3055 } else 3056 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY; 3057 } else if (argc != optind) { 3058 warnx("unknown command line argument: %s ...", argv[optind]); 3059 usage(); 3060 /* NOTREACHED */ 3061 } 3062 if (loadopt == 0) 3063 loadopt = ~0; 3064 3065 if ((path = calloc(1, MAXPATHLEN)) == NULL) 3066 errx(1, "pfctl: calloc"); 3067 memset(anchorname, 0, sizeof(anchorname)); 3068 if (anchoropt != NULL) { 3069 int len = strlen(anchoropt); 3070 3071 if (len >= 1 && anchoropt[len - 1] == '*') { 3072 if (len >= 2 && anchoropt[len - 2] == '/') 3073 anchoropt[len - 2] = '\0'; 3074 else 3075 anchoropt[len - 1] = '\0'; 3076 opts |= PF_OPT_RECURSE; 3077 } 3078 if (strlcpy(anchorname, anchoropt, 3079 sizeof(anchorname)) >= sizeof(anchorname)) 3080 errx(1, "anchor name '%s' too long", 3081 anchoropt); 3082 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE|PFCTL_FLAG_ETH; 3083 } 3084 3085 if ((opts & PF_OPT_NOACTION) == 0) { 3086 dev = open(pf_device, mode); 3087 if (dev == -1) 3088 err(1, "%s", pf_device); 3089 altqsupport = pfctl_test_altqsupport(dev, opts); 3090 } else { 3091 dev = open(pf_device, O_RDONLY); 3092 if (dev >= 0) 3093 opts |= PF_OPT_DUMMYACTION; 3094 /* turn off options */ 3095 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE); 3096 clearopt = showopt = debugopt = NULL; 3097#if !defined(ENABLE_ALTQ) 3098 altqsupport = 0; 3099#else 3100 altqsupport = 1; 3101#endif 3102 } 3103 pfh = pfctl_open(pf_device); 3104 if (pfh == NULL) 3105 err(1, "Failed to open netlink"); 3106 3107 if (opts & PF_OPT_DISABLE) 3108 if (pfctl_disable(dev, opts)) 3109 error = 1; 3110 3111 if (showopt != NULL) { 3112 switch (*showopt) { 3113 case 'A': 3114 pfctl_show_anchors(dev, opts, anchorname); 3115 if (opts & PF_OPT_VERBOSE2) 3116 printf("Ethernet:\n"); 3117 pfctl_show_eth_anchors(dev, opts, anchorname); 3118 break; 3119 case 'r': 3120 pfctl_load_fingerprints(dev, opts); 3121 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES, 3122 anchorname, 0, 0); 3123 break; 3124 case 'l': 3125 pfctl_load_fingerprints(dev, opts); 3126 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS, 3127 anchorname, 0, 0); 3128 break; 3129 case 'n': 3130 pfctl_load_fingerprints(dev, opts); 3131 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3132 break; 3133 case 'q': 3134 pfctl_show_altq(dev, ifaceopt, opts, 3135 opts & PF_OPT_VERBOSE2); 3136 break; 3137 case 's': 3138 pfctl_show_states(dev, ifaceopt, opts); 3139 break; 3140 case 'S': 3141 pfctl_show_src_nodes(dev, opts); 3142 break; 3143 case 'i': 3144 pfctl_show_status(dev, opts); 3145 break; 3146 case 'R': 3147 error = pfctl_show_running(dev); 3148 break; 3149 case 't': 3150 pfctl_show_timeouts(dev, opts); 3151 break; 3152 case 'm': 3153 pfctl_show_limits(dev, opts); 3154 break; 3155 case 'e': 3156 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3157 0); 3158 break; 3159 case 'a': 3160 opts |= PF_OPT_SHOWALL; 3161 pfctl_load_fingerprints(dev, opts); 3162 3163 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3164 0); 3165 3166 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3167 pfctl_show_rules(dev, path, opts, 0, anchorname, 0, 0); 3168 pfctl_show_altq(dev, ifaceopt, opts, 0); 3169 pfctl_show_states(dev, ifaceopt, opts); 3170 pfctl_show_src_nodes(dev, opts); 3171 pfctl_show_status(dev, opts); 3172 pfctl_show_rules(dev, path, opts, 1, anchorname, 0, 0); 3173 pfctl_show_timeouts(dev, opts); 3174 pfctl_show_limits(dev, opts); 3175 pfctl_show_tables(anchorname, opts); 3176 pfctl_show_fingerprints(opts); 3177 break; 3178 case 'T': 3179 pfctl_show_tables(anchorname, opts); 3180 break; 3181 case 'o': 3182 pfctl_load_fingerprints(dev, opts); 3183 pfctl_show_fingerprints(opts); 3184 break; 3185 case 'I': 3186 pfctl_show_ifaces(ifaceopt, opts); 3187 break; 3188 case 'c': 3189 pfctl_show_creators(opts); 3190 break; 3191 } 3192 } 3193 3194 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL) { 3195 pfctl_show_eth_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3196 anchorname, 0, 0); 3197 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3198 anchorname, 0, 0); 3199 } 3200 3201 if (clearopt != NULL) { 3202 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3203 errx(1, "anchor names beginning with '_' cannot " 3204 "be modified from the command line"); 3205 3206 switch (*clearopt) { 3207 case 'e': 3208 pfctl_flush_eth_rules(dev, opts, anchorname); 3209 break; 3210 case 'r': 3211 pfctl_flush_rules(dev, opts, anchorname); 3212 break; 3213 case 'n': 3214 pfctl_flush_nat(dev, opts, anchorname); 3215 break; 3216 case 'q': 3217 pfctl_clear_altq(dev, opts); 3218 break; 3219 case 's': 3220 pfctl_clear_iface_states(dev, ifaceopt, opts); 3221 break; 3222 case 'S': 3223 pfctl_clear_src_nodes(dev, opts); 3224 break; 3225 case 'i': 3226 pfctl_clear_stats(pfh, opts); 3227 break; 3228 case 'a': 3229 pfctl_flush_eth_rules(dev, opts, anchorname); 3230 pfctl_flush_rules(dev, opts, anchorname); 3231 pfctl_flush_nat(dev, opts, anchorname); 3232 pfctl_clear_tables(anchorname, opts); 3233 if (!*anchorname) { 3234 pfctl_clear_altq(dev, opts); 3235 pfctl_clear_iface_states(dev, ifaceopt, opts); 3236 pfctl_clear_src_nodes(dev, opts); 3237 pfctl_clear_stats(pfh, opts); 3238 pfctl_clear_fingerprints(dev, opts); 3239 pfctl_clear_interface_flags(dev, opts); 3240 } 3241 break; 3242 case 'o': 3243 pfctl_clear_fingerprints(dev, opts); 3244 break; 3245 case 'T': 3246 pfctl_clear_tables(anchorname, opts); 3247 break; 3248 } 3249 } 3250 if (state_killers) { 3251 if (!strcmp(state_kill[0], "label")) 3252 pfctl_label_kill_states(dev, ifaceopt, opts); 3253 else if (!strcmp(state_kill[0], "id")) 3254 pfctl_id_kill_states(dev, ifaceopt, opts); 3255 else if (!strcmp(state_kill[0], "gateway")) 3256 pfctl_gateway_kill_states(dev, ifaceopt, opts); 3257 else 3258 pfctl_net_kill_states(dev, ifaceopt, opts); 3259 } 3260 3261 if (src_node_killers) 3262 pfctl_kill_src_nodes(dev, ifaceopt, opts); 3263 3264 if (tblcmdopt != NULL) { 3265 error = pfctl_command_tables(argc, argv, tableopt, 3266 tblcmdopt, rulesopt, anchorname, opts); 3267 rulesopt = NULL; 3268 } 3269 if (optiopt != NULL) { 3270 switch (*optiopt) { 3271 case 'n': 3272 optimize = 0; 3273 break; 3274 case 'b': 3275 optimize |= PF_OPTIMIZE_BASIC; 3276 break; 3277 case 'o': 3278 case 'p': 3279 optimize |= PF_OPTIMIZE_PROFILE; 3280 break; 3281 } 3282 } 3283 3284 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) && 3285 !anchorname[0] && !(opts & PF_OPT_NOACTION)) 3286 if (pfctl_get_skip_ifaces()) 3287 error = 1; 3288 3289 if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) && 3290 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION)) 3291 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE)) 3292 error = 1; 3293 3294 if (rulesopt != NULL) { 3295 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3296 errx(1, "anchor names beginning with '_' cannot " 3297 "be modified from the command line"); 3298 if (pfctl_rules(dev, rulesopt, opts, optimize, 3299 anchorname, NULL)) 3300 error = 1; 3301 else if (!(opts & PF_OPT_NOACTION) && 3302 (loadopt & PFCTL_FLAG_TABLE)) 3303 warn_namespace_collision(NULL); 3304 } 3305 3306 if (opts & PF_OPT_ENABLE) 3307 if (pfctl_enable(dev, opts)) 3308 error = 1; 3309 3310 if (debugopt != NULL) { 3311 switch (*debugopt) { 3312 case 'n': 3313 pfctl_debug(dev, PF_DEBUG_NONE, opts); 3314 break; 3315 case 'u': 3316 pfctl_debug(dev, PF_DEBUG_URGENT, opts); 3317 break; 3318 case 'm': 3319 pfctl_debug(dev, PF_DEBUG_MISC, opts); 3320 break; 3321 case 'l': 3322 pfctl_debug(dev, PF_DEBUG_NOISY, opts); 3323 break; 3324 } 3325 } 3326 3327 exit(error); 3328} 3329