1 /* $OpenBSD: pfctl.c,v 1.278 2008/08/31 20:18:17 jmc Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2001 Daniel Hartmeier 7 * Copyright (c) 2002,2003 Henning Brauer 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * - Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * - Redistributions in binary form must reproduce the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer in the documentation and/or other materials provided 19 * with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 36 #include <sys/cdefs.h> 37 #define PFIOC_USE_LATEST 38 39 #include <sys/types.h> 40 #include <sys/ioctl.h> 41 #include <sys/socket.h> 42 #include <sys/stat.h> 43 #include <sys/endian.h> 44 45 #include <net/if.h> 46 #include <netinet/in.h> 47 #include <net/pfvar.h> 48 #include <arpa/inet.h> 49 #include <net/altq/altq.h> 50 51 #include <err.h> 52 #include <errno.h> 53 #include <fcntl.h> 54 #include <libpfctl.h> 55 #include <limits.h> 56 #include <netdb.h> 57 #include <stdint.h> 58 #include <stdio.h> 59 #include <stdlib.h> 60 #include <string.h> 61 #include <unistd.h> 62 63 #include "pfctl_parser.h" 64 #include "pfctl.h" 65 66 void usage(void); 67 int pfctl_enable(int, int); 68 int pfctl_disable(int, int); 69 int pfctl_clear_stats(struct pfctl_handle *, int); 70 int pfctl_get_skip_ifaces(void); 71 int pfctl_check_skip_ifaces(char *); 72 int pfctl_adjust_skip_ifaces(struct pfctl *); 73 int pfctl_clear_interface_flags(int, int); 74 int pfctl_flush_eth_rules(int, int, char *); 75 int pfctl_flush_rules(int, int, char *); 76 int pfctl_flush_nat(int, int, char *); 77 int pfctl_clear_altq(int, int); 78 int pfctl_clear_src_nodes(int, int); 79 int pfctl_clear_iface_states(int, const char *, int); 80 void pfctl_addrprefix(char *, struct pf_addr *); 81 int pfctl_kill_src_nodes(int, const char *, int); 82 int pfctl_net_kill_states(int, const char *, int); 83 int pfctl_gateway_kill_states(int, const char *, int); 84 int pfctl_label_kill_states(int, const char *, int); 85 int pfctl_id_kill_states(int, const char *, int); 86 void pfctl_init_options(struct pfctl *); 87 int pfctl_load_options(struct pfctl *); 88 int pfctl_load_limit(struct pfctl *, unsigned int, unsigned int); 89 int pfctl_load_timeout(struct pfctl *, unsigned int, unsigned int); 90 int pfctl_load_debug(struct pfctl *, unsigned int); 91 int pfctl_load_logif(struct pfctl *, char *); 92 int pfctl_load_hostid(struct pfctl *, u_int32_t); 93 int pfctl_load_reassembly(struct pfctl *, u_int32_t); 94 int pfctl_load_syncookies(struct pfctl *, u_int8_t); 95 int pfctl_get_pool(int, struct pfctl_pool *, u_int32_t, u_int32_t, int, 96 char *); 97 void pfctl_print_eth_rule_counters(struct pfctl_eth_rule *, int); 98 void pfctl_print_rule_counters(struct pfctl_rule *, int); 99 int pfctl_show_eth_rules(int, char *, int, enum pfctl_show, char *, int, int); 100 int pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int, int); 101 int pfctl_show_nat(int, char *, int, char *, int, int); 102 int pfctl_show_src_nodes(int, int); 103 int pfctl_show_states(int, const char *, int); 104 int pfctl_show_status(int, int); 105 int pfctl_show_running(int); 106 int pfctl_show_timeouts(int, int); 107 int pfctl_show_limits(int, int); 108 void pfctl_debug(int, u_int32_t, int); 109 int pfctl_test_altqsupport(int, int); 110 int pfctl_show_anchors(int, int, char *); 111 int pfctl_show_eth_anchors(int, int, char *); 112 int pfctl_ruleset_trans(struct pfctl *, char *, struct pfctl_anchor *, bool); 113 int pfctl_eth_ruleset_trans(struct pfctl *, char *, 114 struct pfctl_eth_anchor *); 115 int pfctl_load_eth_ruleset(struct pfctl *, char *, 116 struct pfctl_eth_ruleset *, int); 117 int pfctl_load_eth_rule(struct pfctl *, char *, struct pfctl_eth_rule *, 118 int); 119 int pfctl_load_ruleset(struct pfctl *, char *, 120 struct pfctl_ruleset *, int, int); 121 int pfctl_load_rule(struct pfctl *, char *, struct pfctl_rule *, int); 122 const char *pfctl_lookup_option(char *, const char * const *); 123 124 static struct pfctl_anchor_global pf_anchors; 125 struct pfctl_anchor pf_main_anchor; 126 struct pfctl_eth_anchor pf_eth_main_anchor; 127 static struct pfr_buffer skip_b; 128 129 static const char *clearopt; 130 static char *rulesopt; 131 static const char *showopt; 132 static const char *debugopt; 133 static char *anchoropt; 134 static const char *optiopt = NULL; 135 static const char *pf_device = PF_DEVICE; 136 static char *ifaceopt; 137 static char *tableopt; 138 static const char *tblcmdopt; 139 static int src_node_killers; 140 static char *src_node_kill[2]; 141 static int state_killers; 142 static char *state_kill[2]; 143 int loadopt; 144 int altqsupport; 145 146 int dev = -1; 147 struct pfctl_handle *pfh = NULL; 148 static int first_title = 1; 149 static int labels = 0; 150 151 #define INDENT(d, o) do { \ 152 if (o) { \ 153 int i; \ 154 for (i=0; i < d; i++) \ 155 printf(" "); \ 156 } \ 157 } while (0); \ 158 159 160 static const struct { 161 const char *name; 162 int index; 163 } pf_limits[] = { 164 { "states", PF_LIMIT_STATES }, 165 { "src-nodes", PF_LIMIT_SRC_NODES }, 166 { "frags", PF_LIMIT_FRAGS }, 167 { "table-entries", PF_LIMIT_TABLE_ENTRIES }, 168 { NULL, 0 } 169 }; 170 171 struct pf_hint { 172 const char *name; 173 int timeout; 174 }; 175 static const struct pf_hint pf_hint_normal[] = { 176 { "tcp.first", 2 * 60 }, 177 { "tcp.opening", 30 }, 178 { "tcp.established", 24 * 60 * 60 }, 179 { "tcp.closing", 15 * 60 }, 180 { "tcp.finwait", 45 }, 181 { "tcp.closed", 90 }, 182 { "tcp.tsdiff", 30 }, 183 { NULL, 0 } 184 }; 185 static const struct pf_hint pf_hint_satellite[] = { 186 { "tcp.first", 3 * 60 }, 187 { "tcp.opening", 30 + 5 }, 188 { "tcp.established", 24 * 60 * 60 }, 189 { "tcp.closing", 15 * 60 + 5 }, 190 { "tcp.finwait", 45 + 5 }, 191 { "tcp.closed", 90 + 5 }, 192 { "tcp.tsdiff", 60 }, 193 { NULL, 0 } 194 }; 195 static const struct pf_hint pf_hint_conservative[] = { 196 { "tcp.first", 60 * 60 }, 197 { "tcp.opening", 15 * 60 }, 198 { "tcp.established", 5 * 24 * 60 * 60 }, 199 { "tcp.closing", 60 * 60 }, 200 { "tcp.finwait", 10 * 60 }, 201 { "tcp.closed", 3 * 60 }, 202 { "tcp.tsdiff", 60 }, 203 { NULL, 0 } 204 }; 205 static const struct pf_hint pf_hint_aggressive[] = { 206 { "tcp.first", 30 }, 207 { "tcp.opening", 5 }, 208 { "tcp.established", 5 * 60 * 60 }, 209 { "tcp.closing", 60 }, 210 { "tcp.finwait", 30 }, 211 { "tcp.closed", 30 }, 212 { "tcp.tsdiff", 10 }, 213 { NULL, 0 } 214 }; 215 216 static const struct { 217 const char *name; 218 const struct pf_hint *hint; 219 } pf_hints[] = { 220 { "normal", pf_hint_normal }, 221 { "satellite", pf_hint_satellite }, 222 { "high-latency", pf_hint_satellite }, 223 { "conservative", pf_hint_conservative }, 224 { "aggressive", pf_hint_aggressive }, 225 { NULL, NULL } 226 }; 227 228 static const char * const clearopt_list[] = { 229 "nat", "queue", "rules", "Sources", 230 "states", "info", "Tables", "osfp", "all", 231 "ethernet", NULL 232 }; 233 234 static const char * const showopt_list[] = { 235 "ether", "nat", "queue", "rules", "Anchors", "Sources", "states", 236 "info", "Interfaces", "labels", "timeouts", "memory", "Tables", 237 "osfp", "Running", "all", "creatorids", NULL 238 }; 239 240 static const char * const tblcmdopt_list[] = { 241 "kill", "flush", "add", "delete", "load", "replace", "show", 242 "test", "zero", "expire", NULL 243 }; 244 245 static const char * const debugopt_list[] = { 246 "none", "urgent", "misc", "loud", NULL 247 }; 248 249 static const char * const optiopt_list[] = { 250 "none", "basic", "profile", NULL 251 }; 252 253 void 254 usage(void) 255 { 256 extern char *__progname; 257 258 fprintf(stderr, 259 "usage: %s [-AdeghMmNnOPqRrvz] [-a anchor] [-D macro=value] [-F modifier]\n" 260 "\t[-f file] [-i interface] [-K host | network]\n" 261 "\t[-k host | network | gateway | label | id] [-o level] [-p device]\n" 262 "\t[-s modifier] [-t table -T command [address ...]] [-x level]\n", 263 __progname); 264 265 exit(1); 266 } 267 268 /* 269 * Cache protocol number to name translations. 270 * 271 * Translation is performed a lot e.g., when dumping states and 272 * getprotobynumber is incredibly expensive. 273 * 274 * Note from the getprotobynumber(3) manpage: 275 * <quote> 276 * These functions use a thread-specific data space; if the data is needed 277 * for future use, it should be copied before any subsequent calls overwrite 278 * it. Only the Internet protocols are currently understood. 279 * </quote> 280 * 281 * Consequently we only cache the name and strdup it for safety. 282 * 283 * At the time of writing this comment the last entry in /etc/protocols is: 284 * divert 258 DIVERT # Divert pseudo-protocol [non IANA] 285 */ 286 const char * 287 pfctl_proto2name(int proto) 288 { 289 static const char *pfctl_proto_cache[259]; 290 struct protoent *p; 291 292 if (proto >= nitems(pfctl_proto_cache)) { 293 p = getprotobynumber(proto); 294 if (p == NULL) { 295 return (NULL); 296 } 297 return (p->p_name); 298 } 299 300 if (pfctl_proto_cache[proto] == NULL) { 301 p = getprotobynumber(proto); 302 if (p == NULL) { 303 return (NULL); 304 } 305 pfctl_proto_cache[proto] = strdup(p->p_name); 306 } 307 308 return (pfctl_proto_cache[proto]); 309 } 310 311 int 312 pfctl_enable(int dev, int opts) 313 { 314 int ret; 315 316 if ((ret = pfctl_startstop(pfh, 1)) != 0) { 317 if (ret == EEXIST) 318 errx(1, "pf already enabled"); 319 else if (ret == ESRCH) 320 errx(1, "pfil registeration failed"); 321 else 322 errc(1, ret, "DIOCSTART"); 323 } 324 if ((opts & PF_OPT_QUIET) == 0) 325 fprintf(stderr, "pf enabled\n"); 326 327 if (altqsupport && ioctl(dev, DIOCSTARTALTQ)) 328 if (errno != EEXIST) 329 err(1, "DIOCSTARTALTQ"); 330 331 return (0); 332 } 333 334 int 335 pfctl_disable(int dev, int opts) 336 { 337 int ret; 338 339 if ((ret = pfctl_startstop(pfh, 0)) != 0) { 340 if (ret == ENOENT) 341 errx(1, "pf not enabled"); 342 else 343 errc(1, ret, "DIOCSTOP"); 344 } 345 if ((opts & PF_OPT_QUIET) == 0) 346 fprintf(stderr, "pf disabled\n"); 347 348 if (altqsupport && ioctl(dev, DIOCSTOPALTQ)) 349 if (errno != ENOENT) 350 err(1, "DIOCSTOPALTQ"); 351 352 return (0); 353 } 354 355 int 356 pfctl_clear_stats(struct pfctl_handle *h, int opts) 357 { 358 int ret; 359 if ((ret = pfctl_clear_status(h)) != 0) 360 errc(1, ret, "DIOCCLRSTATUS"); 361 if ((opts & PF_OPT_QUIET) == 0) 362 fprintf(stderr, "pf: statistics cleared\n"); 363 return (0); 364 } 365 366 int 367 pfctl_get_skip_ifaces(void) 368 { 369 bzero(&skip_b, sizeof(skip_b)); 370 skip_b.pfrb_type = PFRB_IFACES; 371 for (;;) { 372 pfr_buf_grow(&skip_b, skip_b.pfrb_size); 373 skip_b.pfrb_size = skip_b.pfrb_msize; 374 if (pfi_get_ifaces(NULL, skip_b.pfrb_caddr, &skip_b.pfrb_size)) 375 err(1, "pfi_get_ifaces"); 376 if (skip_b.pfrb_size <= skip_b.pfrb_msize) 377 break; 378 } 379 return (0); 380 } 381 382 int 383 pfctl_check_skip_ifaces(char *ifname) 384 { 385 struct pfi_kif *p; 386 struct node_host *h = NULL, *n = NULL; 387 388 PFRB_FOREACH(p, &skip_b) { 389 if (!strcmp(ifname, p->pfik_name) && 390 (p->pfik_flags & PFI_IFLAG_SKIP)) 391 p->pfik_flags &= ~PFI_IFLAG_SKIP; 392 if (!strcmp(ifname, p->pfik_name) && p->pfik_group != NULL) { 393 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 394 continue; 395 396 for (n = h; n != NULL; n = n->next) { 397 if (strncmp(p->pfik_name, ifname, IFNAMSIZ)) 398 continue; 399 400 p->pfik_flags &= ~PFI_IFLAG_SKIP; 401 } 402 } 403 } 404 return (0); 405 } 406 407 int 408 pfctl_adjust_skip_ifaces(struct pfctl *pf) 409 { 410 struct pfi_kif *p, *pp; 411 struct node_host *h = NULL, *n = NULL; 412 413 PFRB_FOREACH(p, &skip_b) { 414 if (p->pfik_group == NULL || !(p->pfik_flags & PFI_IFLAG_SKIP)) 415 continue; 416 417 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 418 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 419 continue; 420 421 for (n = h; n != NULL; n = n->next) 422 PFRB_FOREACH(pp, &skip_b) { 423 if (strncmp(pp->pfik_name, n->ifname, IFNAMSIZ)) 424 continue; 425 426 if (!(pp->pfik_flags & PFI_IFLAG_SKIP)) 427 pfctl_set_interface_flags(pf, 428 pp->pfik_name, PFI_IFLAG_SKIP, 1); 429 if (pp->pfik_flags & PFI_IFLAG_SKIP) 430 pp->pfik_flags &= ~PFI_IFLAG_SKIP; 431 } 432 } 433 434 PFRB_FOREACH(p, &skip_b) { 435 if (! (p->pfik_flags & PFI_IFLAG_SKIP)) 436 continue; 437 438 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 439 } 440 441 return (0); 442 } 443 444 int 445 pfctl_clear_interface_flags(int dev, int opts) 446 { 447 struct pfioc_iface pi; 448 449 if ((opts & PF_OPT_NOACTION) == 0) { 450 bzero(&pi, sizeof(pi)); 451 pi.pfiio_flags = PFI_IFLAG_SKIP; 452 453 if (ioctl(dev, DIOCCLRIFFLAG, &pi)) 454 err(1, "DIOCCLRIFFLAG"); 455 if ((opts & PF_OPT_QUIET) == 0) 456 fprintf(stderr, "pf: interface flags reset\n"); 457 } 458 return (0); 459 } 460 461 int 462 pfctl_flush_eth_rules(int dev, int opts, char *anchorname) 463 { 464 int ret; 465 466 ret = pfctl_clear_eth_rules(dev, anchorname); 467 if (ret != 0) 468 err(1, "pfctl_clear_eth_rules"); 469 470 if ((opts & PF_OPT_QUIET) == 0) 471 fprintf(stderr, "Ethernet rules cleared\n"); 472 473 return (ret); 474 } 475 476 int 477 pfctl_flush_rules(int dev, int opts, char *anchorname) 478 { 479 int ret; 480 481 ret = pfctl_clear_rules(dev, anchorname); 482 if (ret != 0) 483 err(1, "pfctl_clear_rules"); 484 if ((opts & PF_OPT_QUIET) == 0) 485 fprintf(stderr, "rules cleared\n"); 486 return (0); 487 } 488 489 int 490 pfctl_flush_nat(int dev, int opts, char *anchorname) 491 { 492 int ret; 493 494 ret = pfctl_clear_nat(dev, anchorname); 495 if (ret != 0) 496 err(1, "pfctl_clear_nat"); 497 if ((opts & PF_OPT_QUIET) == 0) 498 fprintf(stderr, "nat cleared\n"); 499 return (0); 500 } 501 502 int 503 pfctl_clear_altq(int dev, int opts) 504 { 505 struct pfr_buffer t; 506 507 if (!altqsupport) 508 return (-1); 509 memset(&t, 0, sizeof(t)); 510 t.pfrb_type = PFRB_TRANS; 511 if (pfctl_add_trans(&t, PF_RULESET_ALTQ, "") || 512 pfctl_trans(dev, &t, DIOCXBEGIN, 0) || 513 pfctl_trans(dev, &t, DIOCXCOMMIT, 0)) 514 err(1, "pfctl_clear_altq"); 515 if ((opts & PF_OPT_QUIET) == 0) 516 fprintf(stderr, "altq cleared\n"); 517 return (0); 518 } 519 520 int 521 pfctl_clear_src_nodes(int dev, int opts) 522 { 523 if (ioctl(dev, DIOCCLRSRCNODES)) 524 err(1, "DIOCCLRSRCNODES"); 525 if ((opts & PF_OPT_QUIET) == 0) 526 fprintf(stderr, "source tracking entries cleared\n"); 527 return (0); 528 } 529 530 int 531 pfctl_clear_iface_states(int dev, const char *iface, int opts) 532 { 533 struct pfctl_kill kill; 534 unsigned int killed; 535 int ret; 536 537 memset(&kill, 0, sizeof(kill)); 538 if (iface != NULL && strlcpy(kill.ifname, iface, 539 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 540 errx(1, "invalid interface: %s", iface); 541 542 if (opts & PF_OPT_KILLMATCH) 543 kill.kill_match = true; 544 545 if ((ret = pfctl_clear_states_h(pfh, &kill, &killed)) != 0) 546 errc(1, ret, "DIOCCLRSTATES"); 547 if ((opts & PF_OPT_QUIET) == 0) 548 fprintf(stderr, "%d states cleared\n", killed); 549 return (0); 550 } 551 552 void 553 pfctl_addrprefix(char *addr, struct pf_addr *mask) 554 { 555 char *p; 556 const char *errstr; 557 int prefix, ret_ga, q, r; 558 struct addrinfo hints, *res; 559 560 if ((p = strchr(addr, '/')) == NULL) 561 return; 562 563 *p++ = '\0'; 564 prefix = strtonum(p, 0, 128, &errstr); 565 if (errstr) 566 errx(1, "prefix is %s: %s", errstr, p); 567 568 bzero(&hints, sizeof(hints)); 569 /* prefix only with numeric addresses */ 570 hints.ai_flags |= AI_NUMERICHOST; 571 572 if ((ret_ga = getaddrinfo(addr, NULL, &hints, &res))) { 573 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 574 /* NOTREACHED */ 575 } 576 577 if (res->ai_family == AF_INET && prefix > 32) 578 errx(1, "prefix too long for AF_INET"); 579 else if (res->ai_family == AF_INET6 && prefix > 128) 580 errx(1, "prefix too long for AF_INET6"); 581 582 q = prefix >> 3; 583 r = prefix & 7; 584 switch (res->ai_family) { 585 case AF_INET: 586 bzero(&mask->v4, sizeof(mask->v4)); 587 mask->v4.s_addr = htonl((u_int32_t) 588 (0xffffffffffULL << (32 - prefix))); 589 break; 590 case AF_INET6: 591 bzero(&mask->v6, sizeof(mask->v6)); 592 if (q > 0) 593 memset((void *)&mask->v6, 0xff, q); 594 if (r > 0) 595 *((u_char *)&mask->v6 + q) = 596 (0xff00 >> r) & 0xff; 597 break; 598 } 599 freeaddrinfo(res); 600 } 601 602 int 603 pfctl_kill_src_nodes(int dev, const char *iface, int opts) 604 { 605 struct pfioc_src_node_kill psnk; 606 struct addrinfo *res[2], *resp[2]; 607 struct sockaddr last_src, last_dst; 608 int killed, sources, dests; 609 int ret_ga; 610 611 killed = sources = dests = 0; 612 613 memset(&psnk, 0, sizeof(psnk)); 614 memset(&psnk.psnk_src.addr.v.a.mask, 0xff, 615 sizeof(psnk.psnk_src.addr.v.a.mask)); 616 memset(&last_src, 0xff, sizeof(last_src)); 617 memset(&last_dst, 0xff, sizeof(last_dst)); 618 619 pfctl_addrprefix(src_node_kill[0], &psnk.psnk_src.addr.v.a.mask); 620 621 if ((ret_ga = getaddrinfo(src_node_kill[0], NULL, NULL, &res[0]))) { 622 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 623 /* NOTREACHED */ 624 } 625 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 626 if (resp[0]->ai_addr == NULL) 627 continue; 628 /* We get lots of duplicates. Catch the easy ones */ 629 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 630 continue; 631 last_src = *(struct sockaddr *)resp[0]->ai_addr; 632 633 psnk.psnk_af = resp[0]->ai_family; 634 sources++; 635 636 if (psnk.psnk_af == AF_INET) 637 psnk.psnk_src.addr.v.a.addr.v4 = 638 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 639 else if (psnk.psnk_af == AF_INET6) 640 psnk.psnk_src.addr.v.a.addr.v6 = 641 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 642 sin6_addr; 643 else 644 errx(1, "Unknown address family %d", psnk.psnk_af); 645 646 if (src_node_killers > 1) { 647 dests = 0; 648 memset(&psnk.psnk_dst.addr.v.a.mask, 0xff, 649 sizeof(psnk.psnk_dst.addr.v.a.mask)); 650 memset(&last_dst, 0xff, sizeof(last_dst)); 651 pfctl_addrprefix(src_node_kill[1], 652 &psnk.psnk_dst.addr.v.a.mask); 653 if ((ret_ga = getaddrinfo(src_node_kill[1], NULL, NULL, 654 &res[1]))) { 655 errx(1, "getaddrinfo: %s", 656 gai_strerror(ret_ga)); 657 /* NOTREACHED */ 658 } 659 for (resp[1] = res[1]; resp[1]; 660 resp[1] = resp[1]->ai_next) { 661 if (resp[1]->ai_addr == NULL) 662 continue; 663 if (psnk.psnk_af != resp[1]->ai_family) 664 continue; 665 666 if (memcmp(&last_dst, resp[1]->ai_addr, 667 sizeof(last_dst)) == 0) 668 continue; 669 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 670 671 dests++; 672 673 if (psnk.psnk_af == AF_INET) 674 psnk.psnk_dst.addr.v.a.addr.v4 = 675 ((struct sockaddr_in *)resp[1]-> 676 ai_addr)->sin_addr; 677 else if (psnk.psnk_af == AF_INET6) 678 psnk.psnk_dst.addr.v.a.addr.v6 = 679 ((struct sockaddr_in6 *)resp[1]-> 680 ai_addr)->sin6_addr; 681 else 682 errx(1, "Unknown address family %d", 683 psnk.psnk_af); 684 685 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 686 err(1, "DIOCKILLSRCNODES"); 687 killed += psnk.psnk_killed; 688 } 689 freeaddrinfo(res[1]); 690 } else { 691 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 692 err(1, "DIOCKILLSRCNODES"); 693 killed += psnk.psnk_killed; 694 } 695 } 696 697 freeaddrinfo(res[0]); 698 699 if ((opts & PF_OPT_QUIET) == 0) 700 fprintf(stderr, "killed %d src nodes from %d sources and %d " 701 "destinations\n", killed, sources, dests); 702 return (0); 703 } 704 705 int 706 pfctl_net_kill_states(int dev, const char *iface, int opts) 707 { 708 struct pfctl_kill kill; 709 struct addrinfo *res[2], *resp[2]; 710 struct sockaddr last_src, last_dst; 711 unsigned int newkilled; 712 int killed, sources, dests; 713 int ret_ga, ret; 714 715 killed = sources = dests = 0; 716 717 memset(&kill, 0, sizeof(kill)); 718 memset(&kill.src.addr.v.a.mask, 0xff, 719 sizeof(kill.src.addr.v.a.mask)); 720 memset(&last_src, 0xff, sizeof(last_src)); 721 memset(&last_dst, 0xff, sizeof(last_dst)); 722 if (iface != NULL && strlcpy(kill.ifname, iface, 723 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 724 errx(1, "invalid interface: %s", iface); 725 726 if (state_killers == 2 && (strcmp(state_kill[0], "nat") == 0)) { 727 kill.nat = true; 728 state_kill[0] = state_kill[1]; 729 state_killers = 1; 730 } 731 732 pfctl_addrprefix(state_kill[0], &kill.src.addr.v.a.mask); 733 734 if (opts & PF_OPT_KILLMATCH) 735 kill.kill_match = true; 736 737 if ((ret_ga = getaddrinfo(state_kill[0], NULL, NULL, &res[0]))) { 738 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 739 /* NOTREACHED */ 740 } 741 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 742 if (resp[0]->ai_addr == NULL) 743 continue; 744 /* We get lots of duplicates. Catch the easy ones */ 745 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 746 continue; 747 last_src = *(struct sockaddr *)resp[0]->ai_addr; 748 749 kill.af = resp[0]->ai_family; 750 sources++; 751 752 if (kill.af == AF_INET) 753 kill.src.addr.v.a.addr.v4 = 754 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 755 else if (kill.af == AF_INET6) 756 kill.src.addr.v.a.addr.v6 = 757 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 758 sin6_addr; 759 else 760 errx(1, "Unknown address family %d", kill.af); 761 762 if (state_killers > 1) { 763 dests = 0; 764 memset(&kill.dst.addr.v.a.mask, 0xff, 765 sizeof(kill.dst.addr.v.a.mask)); 766 memset(&last_dst, 0xff, sizeof(last_dst)); 767 pfctl_addrprefix(state_kill[1], 768 &kill.dst.addr.v.a.mask); 769 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, 770 &res[1]))) { 771 errx(1, "getaddrinfo: %s", 772 gai_strerror(ret_ga)); 773 /* NOTREACHED */ 774 } 775 for (resp[1] = res[1]; resp[1]; 776 resp[1] = resp[1]->ai_next) { 777 if (resp[1]->ai_addr == NULL) 778 continue; 779 if (kill.af != resp[1]->ai_family) 780 continue; 781 782 if (memcmp(&last_dst, resp[1]->ai_addr, 783 sizeof(last_dst)) == 0) 784 continue; 785 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 786 787 dests++; 788 789 if (kill.af == AF_INET) 790 kill.dst.addr.v.a.addr.v4 = 791 ((struct sockaddr_in *)resp[1]-> 792 ai_addr)->sin_addr; 793 else if (kill.af == AF_INET6) 794 kill.dst.addr.v.a.addr.v6 = 795 ((struct sockaddr_in6 *)resp[1]-> 796 ai_addr)->sin6_addr; 797 else 798 errx(1, "Unknown address family %d", 799 kill.af); 800 801 if ((ret = pfctl_kill_states_h(pfh, &kill, &newkilled)) != 0) 802 errc(1, ret, "DIOCKILLSTATES"); 803 killed += newkilled; 804 } 805 freeaddrinfo(res[1]); 806 } else { 807 if ((ret = pfctl_kill_states_h(pfh, &kill, &newkilled)) != 0) 808 errc(1, ret, "DIOCKILLSTATES"); 809 killed += newkilled; 810 } 811 } 812 813 freeaddrinfo(res[0]); 814 815 if ((opts & PF_OPT_QUIET) == 0) 816 fprintf(stderr, "killed %d states from %d sources and %d " 817 "destinations\n", killed, sources, dests); 818 return (0); 819 } 820 821 int 822 pfctl_gateway_kill_states(int dev, const char *iface, int opts) 823 { 824 struct pfctl_kill kill; 825 struct addrinfo *res, *resp; 826 struct sockaddr last_src; 827 unsigned int newkilled; 828 int killed = 0; 829 int ret_ga; 830 831 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 832 warnx("no gateway specified"); 833 usage(); 834 } 835 836 memset(&kill, 0, sizeof(kill)); 837 memset(&kill.rt_addr.addr.v.a.mask, 0xff, 838 sizeof(kill.rt_addr.addr.v.a.mask)); 839 memset(&last_src, 0xff, sizeof(last_src)); 840 if (iface != NULL && strlcpy(kill.ifname, iface, 841 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 842 errx(1, "invalid interface: %s", iface); 843 844 if (opts & PF_OPT_KILLMATCH) 845 kill.kill_match = true; 846 847 pfctl_addrprefix(state_kill[1], &kill.rt_addr.addr.v.a.mask); 848 849 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, &res))) { 850 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 851 /* NOTREACHED */ 852 } 853 for (resp = res; resp; resp = resp->ai_next) { 854 if (resp->ai_addr == NULL) 855 continue; 856 /* We get lots of duplicates. Catch the easy ones */ 857 if (memcmp(&last_src, resp->ai_addr, sizeof(last_src)) == 0) 858 continue; 859 last_src = *(struct sockaddr *)resp->ai_addr; 860 861 kill.af = resp->ai_family; 862 863 if (kill.af == AF_INET) 864 kill.rt_addr.addr.v.a.addr.v4 = 865 ((struct sockaddr_in *)resp->ai_addr)->sin_addr; 866 else if (kill.af == AF_INET6) 867 kill.rt_addr.addr.v.a.addr.v6 = 868 ((struct sockaddr_in6 *)resp->ai_addr)-> 869 sin6_addr; 870 else 871 errx(1, "Unknown address family %d", kill.af); 872 873 if (pfctl_kill_states_h(pfh, &kill, &newkilled)) 874 err(1, "DIOCKILLSTATES"); 875 killed += newkilled; 876 } 877 878 freeaddrinfo(res); 879 880 if ((opts & PF_OPT_QUIET) == 0) 881 fprintf(stderr, "killed %d states\n", killed); 882 return (0); 883 } 884 885 int 886 pfctl_label_kill_states(int dev, const char *iface, int opts) 887 { 888 struct pfctl_kill kill; 889 unsigned int killed; 890 int ret; 891 892 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 893 warnx("no label specified"); 894 usage(); 895 } 896 memset(&kill, 0, sizeof(kill)); 897 if (iface != NULL && strlcpy(kill.ifname, iface, 898 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 899 errx(1, "invalid interface: %s", iface); 900 901 if (opts & PF_OPT_KILLMATCH) 902 kill.kill_match = true; 903 904 if (strlcpy(kill.label, state_kill[1], sizeof(kill.label)) >= 905 sizeof(kill.label)) 906 errx(1, "label too long: %s", state_kill[1]); 907 908 if ((ret = pfctl_kill_states_h(pfh, &kill, &killed)) != 0) 909 errc(1, ret, "DIOCKILLSTATES"); 910 911 if ((opts & PF_OPT_QUIET) == 0) 912 fprintf(stderr, "killed %d states\n", killed); 913 914 return (0); 915 } 916 917 int 918 pfctl_id_kill_states(int dev, const char *iface, int opts) 919 { 920 struct pfctl_kill kill; 921 unsigned int killed; 922 int ret; 923 924 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 925 warnx("no id specified"); 926 usage(); 927 } 928 929 memset(&kill, 0, sizeof(kill)); 930 931 if (opts & PF_OPT_KILLMATCH) 932 kill.kill_match = true; 933 934 if ((sscanf(state_kill[1], "%jx/%x", 935 &kill.cmp.id, &kill.cmp.creatorid)) == 2) { 936 } 937 else if ((sscanf(state_kill[1], "%jx", &kill.cmp.id)) == 1) { 938 kill.cmp.creatorid = 0; 939 } else { 940 warnx("wrong id format specified"); 941 usage(); 942 } 943 if (kill.cmp.id == 0) { 944 warnx("cannot kill id 0"); 945 usage(); 946 } 947 948 if ((ret = pfctl_kill_states_h(pfh, &kill, &killed)) != 0) 949 errc(1, ret, "DIOCKILLSTATES"); 950 951 if ((opts & PF_OPT_QUIET) == 0) 952 fprintf(stderr, "killed %d states\n", killed); 953 954 return (0); 955 } 956 957 int 958 pfctl_get_pool(int dev, struct pfctl_pool *pool, u_int32_t nr, 959 u_int32_t ticket, int r_action, char *anchorname) 960 { 961 struct pfioc_pooladdr pp; 962 struct pf_pooladdr *pa; 963 u_int32_t pnr, mpnr; 964 int ret; 965 966 memset(&pp, 0, sizeof(pp)); 967 if ((ret = pfctl_get_addrs(pfh, ticket, nr, r_action, anchorname, &mpnr)) != 0) { 968 warnc(ret, "DIOCGETADDRS"); 969 return (-1); 970 } 971 972 TAILQ_INIT(&pool->list); 973 for (pnr = 0; pnr < mpnr; ++pnr) { 974 if ((ret = pfctl_get_addr(pfh, ticket, nr, r_action, anchorname, pnr, &pp)) != 0) { 975 warnc(ret, "DIOCGETADDR"); 976 return (-1); 977 } 978 pa = calloc(1, sizeof(struct pf_pooladdr)); 979 if (pa == NULL) 980 err(1, "calloc"); 981 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr)); 982 TAILQ_INSERT_TAIL(&pool->list, pa, entries); 983 } 984 985 return (0); 986 } 987 988 void 989 pfctl_move_pool(struct pfctl_pool *src, struct pfctl_pool *dst) 990 { 991 struct pf_pooladdr *pa; 992 993 while ((pa = TAILQ_FIRST(&src->list)) != NULL) { 994 TAILQ_REMOVE(&src->list, pa, entries); 995 TAILQ_INSERT_TAIL(&dst->list, pa, entries); 996 } 997 } 998 999 void 1000 pfctl_clear_pool(struct pfctl_pool *pool) 1001 { 1002 struct pf_pooladdr *pa; 1003 1004 while ((pa = TAILQ_FIRST(&pool->list)) != NULL) { 1005 TAILQ_REMOVE(&pool->list, pa, entries); 1006 free(pa); 1007 } 1008 } 1009 1010 void 1011 pfctl_print_eth_rule_counters(struct pfctl_eth_rule *rule, int opts) 1012 { 1013 if (opts & PF_OPT_VERBOSE) { 1014 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1015 "Bytes: %-10llu]\n", 1016 (unsigned long long)rule->evaluations, 1017 (unsigned long long)(rule->packets[0] + 1018 rule->packets[1]), 1019 (unsigned long long)(rule->bytes[0] + 1020 rule->bytes[1])); 1021 } 1022 if (opts & PF_OPT_VERBOSE2) { 1023 char timestr[30]; 1024 1025 if (rule->last_active_timestamp != 0) { 1026 bcopy(ctime(&rule->last_active_timestamp), timestr, 1027 sizeof(timestr)); 1028 *strchr(timestr, '\n') = '\0'; 1029 } else { 1030 snprintf(timestr, sizeof(timestr), "N/A"); 1031 } 1032 printf(" [ Last Active Time: %s ]\n", timestr); 1033 } 1034 } 1035 1036 void 1037 pfctl_print_rule_counters(struct pfctl_rule *rule, int opts) 1038 { 1039 if (opts & PF_OPT_DEBUG) { 1040 const char *t[PF_SKIP_COUNT] = { "i", "d", "f", 1041 "p", "sa", "sp", "da", "dp" }; 1042 int i; 1043 1044 printf(" [ Skip steps: "); 1045 for (i = 0; i < PF_SKIP_COUNT; ++i) { 1046 if (rule->skip[i].nr == rule->nr + 1) 1047 continue; 1048 printf("%s=", t[i]); 1049 if (rule->skip[i].nr == -1) 1050 printf("end "); 1051 else 1052 printf("%u ", rule->skip[i].nr); 1053 } 1054 printf("]\n"); 1055 1056 printf(" [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n", 1057 rule->qname, rule->qid, rule->pqname, rule->pqid); 1058 } 1059 if (opts & PF_OPT_VERBOSE) { 1060 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1061 "Bytes: %-10llu States: %-6ju]\n", 1062 (unsigned long long)rule->evaluations, 1063 (unsigned long long)(rule->packets[0] + 1064 rule->packets[1]), 1065 (unsigned long long)(rule->bytes[0] + 1066 rule->bytes[1]), (uintmax_t)rule->states_cur); 1067 if (!(opts & PF_OPT_DEBUG)) 1068 printf(" [ Inserted: uid %u pid %u " 1069 "State Creations: %-6ju]\n", 1070 (unsigned)rule->cuid, (unsigned)rule->cpid, 1071 (uintmax_t)rule->states_tot); 1072 } 1073 if (opts & PF_OPT_VERBOSE2) { 1074 char timestr[30]; 1075 if (rule->last_active_timestamp != 0) { 1076 bcopy(ctime(&rule->last_active_timestamp), timestr, 1077 sizeof(timestr)); 1078 *strchr(timestr, '\n') = '\0'; 1079 } else { 1080 snprintf(timestr, sizeof(timestr), "N/A"); 1081 } 1082 printf(" [ Last Active Time: %s ]\n", timestr); 1083 } 1084 } 1085 1086 void 1087 pfctl_print_title(char *title) 1088 { 1089 if (!first_title) 1090 printf("\n"); 1091 first_title = 0; 1092 printf("%s\n", title); 1093 } 1094 1095 int 1096 pfctl_show_eth_rules(int dev, char *path, int opts, enum pfctl_show format, 1097 char *anchorname, int depth, int wildcard) 1098 { 1099 char anchor_call[MAXPATHLEN]; 1100 struct pfctl_eth_rules_info info; 1101 struct pfctl_eth_rule rule; 1102 int brace; 1103 int dotitle = opts & PF_OPT_SHOWALL; 1104 int len = strlen(path); 1105 int ret; 1106 char *npath, *p; 1107 1108 /* 1109 * Truncate a trailing / and * on an anchorname before searching for 1110 * the ruleset, this is syntactic sugar that doesn't actually make it 1111 * to the kernel. 1112 */ 1113 if ((p = strrchr(anchorname, '/')) != NULL && 1114 p[1] == '*' && p[2] == '\0') { 1115 p[0] = '\0'; 1116 } 1117 1118 if (anchorname[0] == '/') { 1119 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1120 errx(1, "pfctl_rules: calloc"); 1121 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1122 } else { 1123 if (path[0]) 1124 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1125 else 1126 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1127 npath = path; 1128 } 1129 1130 /* 1131 * If this anchor was called with a wildcard path, go through 1132 * the rulesets in the anchor rather than the rules. 1133 */ 1134 if (wildcard && (opts & PF_OPT_RECURSE)) { 1135 struct pfctl_eth_rulesets_info ri; 1136 u_int32_t mnr, nr; 1137 1138 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, npath)) != 0) { 1139 if (ret == EINVAL) { 1140 fprintf(stderr, "Anchor '%s' " 1141 "not found.\n", anchorname); 1142 } else { 1143 warnc(ret, "DIOCGETETHRULESETS"); 1144 return (-1); 1145 } 1146 } 1147 mnr = ri.nr; 1148 1149 pfctl_print_eth_rule_counters(&rule, opts); 1150 for (nr = 0; nr < mnr; ++nr) { 1151 struct pfctl_eth_ruleset_info rs; 1152 1153 if ((ret = pfctl_get_eth_ruleset(dev, npath, nr, &rs)) != 0) 1154 errc(1, ret, "DIOCGETETHRULESET"); 1155 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1156 printf("anchor \"%s\" all {\n", rs.name); 1157 pfctl_show_eth_rules(dev, npath, opts, 1158 format, rs.name, depth + 1, 0); 1159 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1160 printf("}\n"); 1161 } 1162 path[len] = '\0'; 1163 return (0); 1164 } 1165 1166 if ((ret = pfctl_get_eth_rules_info(dev, &info, path)) != 0) { 1167 warnc(ret, "DIOCGETETHRULES"); 1168 return (-1); 1169 } 1170 for (int nr = 0; nr < info.nr; nr++) { 1171 brace = 0; 1172 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1173 if ((ret = pfctl_get_eth_rule(dev, nr, info.ticket, path, &rule, 1174 opts & PF_OPT_CLRRULECTRS, anchor_call)) != 0) { 1175 warnc(ret, "DIOCGETETHRULE"); 1176 return (-1); 1177 } 1178 if (anchor_call[0] && 1179 ((((p = strrchr(anchor_call, '_')) != NULL) && 1180 (p == anchor_call || 1181 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) { 1182 brace++; 1183 int aclen = strlen(anchor_call); 1184 if (anchor_call[aclen - 1] == '*') 1185 anchor_call[aclen - 2] = '\0'; 1186 } 1187 p = &anchor_call[0]; 1188 if (dotitle) { 1189 pfctl_print_title("ETH RULES:"); 1190 dotitle = 0; 1191 } 1192 print_eth_rule(&rule, anchor_call, 1193 opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1194 if (brace) 1195 printf(" {\n"); 1196 else 1197 printf("\n"); 1198 pfctl_print_eth_rule_counters(&rule, opts); 1199 if (brace) { 1200 pfctl_show_eth_rules(dev, path, opts, format, 1201 p, depth + 1, rule.anchor_wildcard); 1202 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1203 printf("}\n"); 1204 } 1205 } 1206 1207 path[len] = '\0'; 1208 return (0); 1209 } 1210 1211 int 1212 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format, 1213 char *anchorname, int depth, int wildcard) 1214 { 1215 struct pfctl_rules_info ri; 1216 struct pfctl_rule rule; 1217 char anchor_call[MAXPATHLEN]; 1218 u_int32_t nr, header = 0; 1219 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 1220 int numeric = opts & PF_OPT_NUMERIC; 1221 int len = strlen(path), ret = 0; 1222 char *npath, *p; 1223 1224 /* 1225 * Truncate a trailing / and * on an anchorname before searching for 1226 * the ruleset, this is syntactic sugar that doesn't actually make it 1227 * to the kernel. 1228 */ 1229 if ((p = strrchr(anchorname, '/')) != NULL && 1230 p[1] == '*' && p[2] == '\0') { 1231 p[0] = '\0'; 1232 } 1233 1234 if (anchorname[0] == '/') { 1235 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1236 errx(1, "pfctl_rules: calloc"); 1237 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1238 } else { 1239 if (path[0]) 1240 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1241 else 1242 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1243 npath = path; 1244 } 1245 1246 /* 1247 * If this anchor was called with a wildcard path, go through 1248 * the rulesets in the anchor rather than the rules. 1249 */ 1250 if (wildcard && (opts & PF_OPT_RECURSE)) { 1251 struct pfioc_ruleset prs; 1252 u_int32_t mnr, nr; 1253 1254 memset(&prs, 0, sizeof(prs)); 1255 memcpy(prs.path, npath, sizeof(prs.path)); 1256 if (ioctl(dev, DIOCGETRULESETS, &prs)) { 1257 if (errno == EINVAL) 1258 fprintf(stderr, "Anchor '%s' " 1259 "not found.\n", anchorname); 1260 else 1261 err(1, "DIOCGETRULESETS"); 1262 } 1263 mnr = prs.nr; 1264 1265 pfctl_print_rule_counters(&rule, opts); 1266 for (nr = 0; nr < mnr; ++nr) { 1267 prs.nr = nr; 1268 if (ioctl(dev, DIOCGETRULESET, &prs)) 1269 err(1, "DIOCGETRULESET"); 1270 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1271 printf("anchor \"%s\" all {\n", prs.name); 1272 pfctl_show_rules(dev, npath, opts, 1273 format, prs.name, depth + 1, 0); 1274 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1275 printf("}\n"); 1276 } 1277 path[len] = '\0'; 1278 return (0); 1279 } 1280 1281 if (opts & PF_OPT_SHOWALL) { 1282 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1283 if (ret != 0) { 1284 warnc(ret, "DIOCGETRULES"); 1285 goto error; 1286 } 1287 header++; 1288 } 1289 ret = pfctl_get_rules_info_h(pfh, &ri, PF_SCRUB, path); 1290 if (ret != 0) { 1291 warnc(ret, "DIOCGETRULES"); 1292 goto error; 1293 } 1294 if (opts & PF_OPT_SHOWALL) { 1295 if (format == PFCTL_SHOW_RULES && (ri.nr > 0 || header)) 1296 pfctl_print_title("FILTER RULES:"); 1297 else if (format == PFCTL_SHOW_LABELS && labels) 1298 pfctl_print_title("LABEL COUNTERS:"); 1299 } 1300 1301 for (nr = 0; nr < ri.nr; ++nr) { 1302 if ((ret = pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_SCRUB, 1303 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) != 0) { 1304 warnc(ret, "DIOCGETRULENV"); 1305 goto error; 1306 } 1307 1308 if (pfctl_get_pool(dev, &rule.rpool, 1309 nr, ri.ticket, PF_SCRUB, path) != 0) 1310 goto error; 1311 1312 switch (format) { 1313 case PFCTL_SHOW_LABELS: 1314 break; 1315 case PFCTL_SHOW_RULES: 1316 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1317 labels = 1; 1318 print_rule(&rule, anchor_call, rule_numbers, numeric); 1319 printf("\n"); 1320 pfctl_print_rule_counters(&rule, opts); 1321 break; 1322 case PFCTL_SHOW_NOTHING: 1323 break; 1324 } 1325 pfctl_clear_pool(&rule.rpool); 1326 } 1327 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1328 if (ret != 0) { 1329 warnc(ret, "DIOCGETRULES"); 1330 goto error; 1331 } 1332 for (nr = 0; nr < ri.nr; ++nr) { 1333 if ((ret = pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_PASS, 1334 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) != 0) { 1335 warnc(ret, "DIOCGETRULE"); 1336 goto error; 1337 } 1338 1339 if (pfctl_get_pool(dev, &rule.rpool, 1340 nr, ri.ticket, PF_PASS, path) != 0) 1341 goto error; 1342 1343 switch (format) { 1344 case PFCTL_SHOW_LABELS: { 1345 bool show = false; 1346 int i = 0; 1347 1348 while (rule.label[i][0]) { 1349 printf("%s ", rule.label[i++]); 1350 show = true; 1351 } 1352 1353 if (show) { 1354 printf("%llu %llu %llu %llu" 1355 " %llu %llu %llu %ju\n", 1356 (unsigned long long)rule.evaluations, 1357 (unsigned long long)(rule.packets[0] + 1358 rule.packets[1]), 1359 (unsigned long long)(rule.bytes[0] + 1360 rule.bytes[1]), 1361 (unsigned long long)rule.packets[0], 1362 (unsigned long long)rule.bytes[0], 1363 (unsigned long long)rule.packets[1], 1364 (unsigned long long)rule.bytes[1], 1365 (uintmax_t)rule.states_tot); 1366 } 1367 1368 if (anchor_call[0] && 1369 (((p = strrchr(anchor_call, '/')) ? 1370 p[1] == '_' : anchor_call[0] == '_') || 1371 opts & PF_OPT_RECURSE)) { 1372 pfctl_show_rules(dev, npath, opts, format, 1373 anchor_call, depth, rule.anchor_wildcard); 1374 } 1375 break; 1376 } 1377 case PFCTL_SHOW_RULES: 1378 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1379 labels = 1; 1380 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1381 print_rule(&rule, anchor_call, rule_numbers, numeric); 1382 1383 /* 1384 * If this is a 'unnamed' brace notation 1385 * anchor, OR the user has explicitly requested 1386 * recursion, print it recursively. 1387 */ 1388 if (anchor_call[0] && 1389 (((p = strrchr(anchor_call, '/')) ? 1390 p[1] == '_' : anchor_call[0] == '_') || 1391 opts & PF_OPT_RECURSE)) { 1392 printf(" {\n"); 1393 pfctl_print_rule_counters(&rule, opts); 1394 pfctl_show_rules(dev, npath, opts, format, 1395 anchor_call, depth + 1, 1396 rule.anchor_wildcard); 1397 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1398 printf("}\n"); 1399 } else { 1400 printf("\n"); 1401 pfctl_print_rule_counters(&rule, opts); 1402 } 1403 break; 1404 case PFCTL_SHOW_NOTHING: 1405 break; 1406 } 1407 pfctl_clear_pool(&rule.rpool); 1408 } 1409 1410 error: 1411 path[len] = '\0'; 1412 return (ret); 1413 } 1414 1415 int 1416 pfctl_show_nat(int dev, char *path, int opts, char *anchorname, int depth, 1417 int wildcard) 1418 { 1419 struct pfctl_rules_info ri; 1420 struct pfctl_rule rule; 1421 char anchor_call[MAXPATHLEN]; 1422 u_int32_t nr; 1423 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT }; 1424 int i, dotitle = opts & PF_OPT_SHOWALL; 1425 int ret; 1426 int len = strlen(path); 1427 char *npath, *p; 1428 1429 /* 1430 * Truncate a trailing / and * on an anchorname before searching for 1431 * the ruleset, this is syntactic sugar that doesn't actually make it 1432 * to the kernel. 1433 */ 1434 if ((p = strrchr(anchorname, '/')) != NULL && 1435 p[1] == '*' && p[2] == '\0') { 1436 p[0] = '\0'; 1437 } 1438 1439 if (anchorname[0] == '/') { 1440 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1441 errx(1, "pfctl_rules: calloc"); 1442 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1443 } else { 1444 if (path[0]) 1445 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1446 else 1447 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1448 npath = path; 1449 } 1450 1451 /* 1452 * If this anchor was called with a wildcard path, go through 1453 * the rulesets in the anchor rather than the rules. 1454 */ 1455 if (wildcard && (opts & PF_OPT_RECURSE)) { 1456 struct pfioc_ruleset prs; 1457 u_int32_t mnr, nr; 1458 memset(&prs, 0, sizeof(prs)); 1459 memcpy(prs.path, npath, sizeof(prs.path)); 1460 if (ioctl(dev, DIOCGETRULESETS, &prs)) { 1461 if (errno == EINVAL) 1462 fprintf(stderr, "NAT anchor '%s' " 1463 "not found.\n", anchorname); 1464 else 1465 err(1, "DIOCGETRULESETS"); 1466 } 1467 mnr = prs.nr; 1468 1469 pfctl_print_rule_counters(&rule, opts); 1470 for (nr = 0; nr < mnr; ++nr) { 1471 prs.nr = nr; 1472 if (ioctl(dev, DIOCGETRULESET, &prs)) 1473 err(1, "DIOCGETRULESET"); 1474 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1475 printf("nat-anchor \"%s\" all {\n", prs.name); 1476 pfctl_show_nat(dev, npath, opts, 1477 prs.name, depth + 1, 0); 1478 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1479 printf("}\n"); 1480 } 1481 path[len] = '\0'; 1482 return (0); 1483 } 1484 1485 for (i = 0; i < 3; i++) { 1486 ret = pfctl_get_rules_info_h(pfh, &ri, nattype[i], path); 1487 if (ret != 0) { 1488 warnc(ret, "DIOCGETRULES"); 1489 return (-1); 1490 } 1491 for (nr = 0; nr < ri.nr; ++nr) { 1492 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1493 1494 if ((ret = pfctl_get_rule_h(pfh, nr, ri.ticket, path, 1495 nattype[i], &rule, anchor_call)) != 0) { 1496 warnc(ret, "DIOCGETRULE"); 1497 return (-1); 1498 } 1499 if (pfctl_get_pool(dev, &rule.rpool, nr, 1500 ri.ticket, nattype[i], path) != 0) 1501 return (-1); 1502 1503 if (dotitle) { 1504 pfctl_print_title("TRANSLATION RULES:"); 1505 dotitle = 0; 1506 } 1507 print_rule(&rule, anchor_call, 1508 opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC); 1509 if (anchor_call[0] && 1510 (((p = strrchr(anchor_call, '/')) ? 1511 p[1] == '_' : anchor_call[0] == '_') || 1512 opts & PF_OPT_RECURSE)) { 1513 printf(" {\n"); 1514 pfctl_print_rule_counters(&rule, opts); 1515 pfctl_show_nat(dev, npath, opts, anchor_call, 1516 depth + 1, rule.anchor_wildcard); 1517 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1518 printf("}\n"); 1519 } else { 1520 printf("\n"); 1521 pfctl_print_rule_counters(&rule, opts); 1522 } 1523 } 1524 } 1525 return (0); 1526 } 1527 1528 int 1529 pfctl_show_src_nodes(int dev, int opts) 1530 { 1531 struct pfioc_src_nodes psn; 1532 struct pf_src_node *p; 1533 char *inbuf = NULL, *newinbuf = NULL; 1534 unsigned int len = 0; 1535 int i; 1536 1537 memset(&psn, 0, sizeof(psn)); 1538 for (;;) { 1539 psn.psn_len = len; 1540 if (len) { 1541 newinbuf = realloc(inbuf, len); 1542 if (newinbuf == NULL) 1543 err(1, "realloc"); 1544 psn.psn_buf = inbuf = newinbuf; 1545 } 1546 if (ioctl(dev, DIOCGETSRCNODES, &psn) < 0) { 1547 warn("DIOCGETSRCNODES"); 1548 free(inbuf); 1549 return (-1); 1550 } 1551 if (psn.psn_len + sizeof(struct pfioc_src_nodes) < len) 1552 break; 1553 if (len == 0 && psn.psn_len == 0) 1554 goto done; 1555 if (len == 0 && psn.psn_len != 0) 1556 len = psn.psn_len; 1557 if (psn.psn_len == 0) 1558 goto done; /* no src_nodes */ 1559 len *= 2; 1560 } 1561 p = psn.psn_src_nodes; 1562 if (psn.psn_len > 0 && (opts & PF_OPT_SHOWALL)) 1563 pfctl_print_title("SOURCE TRACKING NODES:"); 1564 for (i = 0; i < psn.psn_len; i += sizeof(*p)) { 1565 print_src_node(p, opts); 1566 p++; 1567 } 1568 done: 1569 free(inbuf); 1570 return (0); 1571 } 1572 1573 struct pfctl_show_state_arg { 1574 int opts; 1575 int dotitle; 1576 const char *iface; 1577 }; 1578 1579 static int 1580 pfctl_show_state(struct pfctl_state *s, void *arg) 1581 { 1582 struct pfctl_show_state_arg *a = (struct pfctl_show_state_arg *)arg; 1583 1584 if (a->dotitle) { 1585 pfctl_print_title("STATES:"); 1586 a->dotitle = 0; 1587 } 1588 print_state(s, a->opts); 1589 1590 return (0); 1591 } 1592 1593 int 1594 pfctl_show_states(int dev, const char *iface, int opts) 1595 { 1596 struct pfctl_show_state_arg arg; 1597 struct pfctl_state_filter filter = {}; 1598 1599 if (iface != NULL) 1600 strncpy(filter.ifname, iface, IFNAMSIZ); 1601 1602 arg.opts = opts; 1603 arg.dotitle = opts & PF_OPT_SHOWALL; 1604 arg.iface = iface; 1605 1606 if (pfctl_get_filtered_states_iter(&filter, pfctl_show_state, &arg)) 1607 return (-1); 1608 1609 return (0); 1610 } 1611 1612 int 1613 pfctl_show_status(int dev, int opts) 1614 { 1615 struct pfctl_status *status; 1616 struct pfctl_syncookies cookies; 1617 int ret; 1618 1619 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1620 warn("DIOCGETSTATUS"); 1621 return (-1); 1622 } 1623 if ((ret = pfctl_get_syncookies(dev, &cookies)) != 0) { 1624 pfctl_free_status(status); 1625 warnc(ret, "DIOCGETSYNCOOKIES"); 1626 return (-1); 1627 } 1628 if (opts & PF_OPT_SHOWALL) 1629 pfctl_print_title("INFO:"); 1630 print_status(status, &cookies, opts); 1631 pfctl_free_status(status); 1632 return (0); 1633 } 1634 1635 int 1636 pfctl_show_running(int dev) 1637 { 1638 struct pfctl_status *status; 1639 int running; 1640 1641 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1642 warn("DIOCGETSTATUS"); 1643 return (-1); 1644 } 1645 1646 running = status->running; 1647 1648 print_running(status); 1649 pfctl_free_status(status); 1650 return (!running); 1651 } 1652 1653 int 1654 pfctl_show_timeouts(int dev, int opts) 1655 { 1656 uint32_t seconds; 1657 int i; 1658 int ret; 1659 1660 if (opts & PF_OPT_SHOWALL) 1661 pfctl_print_title("TIMEOUTS:"); 1662 for (i = 0; pf_timeouts[i].name; i++) { 1663 if ((ret = pfctl_get_timeout(pfh, pf_timeouts[i].timeout, &seconds)) != 0) 1664 errc(1, ret, "DIOCGETTIMEOUT"); 1665 printf("%-20s %10d", pf_timeouts[i].name, seconds); 1666 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START && 1667 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END) 1668 printf(" states"); 1669 else 1670 printf("s"); 1671 printf("\n"); 1672 } 1673 return (0); 1674 1675 } 1676 1677 int 1678 pfctl_show_limits(int dev, int opts) 1679 { 1680 unsigned int limit; 1681 int i; 1682 int ret; 1683 1684 if (opts & PF_OPT_SHOWALL) 1685 pfctl_print_title("LIMITS:"); 1686 for (i = 0; pf_limits[i].name; i++) { 1687 if ((ret = pfctl_get_limit(pfh, pf_limits[i].index, &limit)) != 0) 1688 errc(1, ret, "DIOCGETLIMIT"); 1689 printf("%-13s ", pf_limits[i].name); 1690 if (limit == UINT_MAX) 1691 printf("unlimited\n"); 1692 else 1693 printf("hard limit %8u\n", limit); 1694 } 1695 return (0); 1696 } 1697 1698 void 1699 pfctl_show_creators(int opts) 1700 { 1701 int ret; 1702 uint32_t creators[16]; 1703 size_t count = nitems(creators); 1704 1705 ret = pfctl_get_creatorids(pfh, creators, &count); 1706 if (ret != 0) 1707 errx(ret, "Failed to retrieve creators"); 1708 1709 printf("Creator IDs:\n"); 1710 for (size_t i = 0; i < count; i++) 1711 printf("%08x\n", creators[i]); 1712 } 1713 1714 /* callbacks for rule/nat/rdr/addr */ 1715 int 1716 pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af) 1717 { 1718 struct pf_pooladdr *pa; 1719 int ret; 1720 1721 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1722 if ((ret = pfctl_begin_addrs(pf->h, &pf->paddr.ticket)) != 0) 1723 errc(1, ret, "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 ((ret = pfctl_add_addr(pf->h, &pf->paddr)) != 0) 1731 errc(1, ret, "DIOCADDADDR"); 1732 } 1733 } 1734 return (0); 1735 } 1736 1737 int 1738 pfctl_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 1785 int 1786 pfctl_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 1826 int 1827 pfctl_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 1842 int 1843 pfctl_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 1876 int 1877 pfctl_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); 1928 error: 1929 path[len] = '\0'; 1930 return (error); 1931 } 1932 1933 int 1934 pfctl_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 int ret; 1941 1942 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 1943 errx(1, "pfctl_load_eth_rule: strlcpy"); 1944 1945 if (r->anchor) { 1946 if (r->anchor->match) { 1947 if (path[0]) 1948 snprintf(&path[len], MAXPATHLEN - len, 1949 "/%s", r->anchor->name); 1950 else 1951 snprintf(&path[len], MAXPATHLEN - len, 1952 "%s", r->anchor->name); 1953 name = r->anchor->name; 1954 } else 1955 name = r->anchor->path; 1956 } else 1957 name = ""; 1958 1959 if ((pf->opts & PF_OPT_NOACTION) == 0) 1960 if ((ret = pfctl_add_eth_rule(pf->dev, r, anchor, name, 1961 pf->eth_ticket)) != 0) 1962 errc(1, ret, "DIOCADDETHRULENV"); 1963 1964 if (pf->opts & PF_OPT_VERBOSE) { 1965 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 1966 print_eth_rule(r, r->anchor ? r->anchor->name : "", 1967 pf->opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1968 } 1969 1970 path[len] = '\0'; 1971 1972 return (0); 1973 } 1974 1975 int 1976 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs, 1977 int rs_num, int depth) 1978 { 1979 struct pfctl_rule *r; 1980 int error, len = strlen(path); 1981 int brace = 0; 1982 1983 pf->anchor = rs->anchor; 1984 1985 if (path[0]) 1986 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name); 1987 else 1988 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name); 1989 1990 if (depth) { 1991 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) { 1992 brace++; 1993 if (pf->opts & PF_OPT_VERBOSE) 1994 printf(" {\n"); 1995 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1996 (error = pfctl_ruleset_trans(pf, 1997 path, rs->anchor, false))) { 1998 printf("pfctl_load_rulesets: " 1999 "pfctl_ruleset_trans %d\n", error); 2000 goto error; 2001 } 2002 } else if (pf->opts & PF_OPT_VERBOSE) 2003 printf("\n"); 2004 2005 } 2006 2007 if (pf->optimize && rs_num == PF_RULESET_FILTER) 2008 pfctl_optimize_ruleset(pf, rs); 2009 2010 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) { 2011 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries); 2012 2013 for (int i = 0; i < PF_RULE_MAX_LABEL_COUNT; i++) 2014 expand_label(r->label[i], PF_RULE_LABEL_SIZE, r); 2015 expand_label(r->tagname, PF_TAG_NAME_SIZE, r); 2016 expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r); 2017 2018 if ((error = pfctl_load_rule(pf, path, r, depth))) 2019 goto error; 2020 if (r->anchor) { 2021 if ((error = pfctl_load_ruleset(pf, path, 2022 &r->anchor->ruleset, rs_num, depth + 1))) 2023 goto error; 2024 } else if (pf->opts & PF_OPT_VERBOSE) 2025 printf("\n"); 2026 free(r); 2027 } 2028 if (brace && pf->opts & PF_OPT_VERBOSE) { 2029 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 2030 printf("}\n"); 2031 } 2032 path[len] = '\0'; 2033 return (0); 2034 2035 error: 2036 path[len] = '\0'; 2037 return (error); 2038 2039 } 2040 2041 int 2042 pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth) 2043 { 2044 u_int8_t rs_num = pf_get_ruleset_number(r->action); 2045 char *name; 2046 u_int32_t ticket; 2047 char anchor[PF_ANCHOR_NAME_SIZE]; 2048 int len = strlen(path); 2049 int error; 2050 bool was_present; 2051 2052 /* set up anchor before adding to path for anchor_call */ 2053 if ((pf->opts & PF_OPT_NOACTION) == 0) 2054 ticket = pfctl_get_ticket(pf->trans, rs_num, path); 2055 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 2056 errx(1, "pfctl_load_rule: strlcpy"); 2057 2058 if (r->anchor) { 2059 if (r->anchor->match) { 2060 if (path[0]) 2061 snprintf(&path[len], MAXPATHLEN - len, 2062 "/%s", r->anchor->name); 2063 else 2064 snprintf(&path[len], MAXPATHLEN - len, 2065 "%s", r->anchor->name); 2066 name = r->anchor->name; 2067 } else 2068 name = r->anchor->path; 2069 } else 2070 name = ""; 2071 2072 was_present = false; 2073 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2074 if (pfctl_add_pool(pf, &r->rpool, r->af)) 2075 return (1); 2076 error = pfctl_add_rule_h(pf->h, r, anchor, name, ticket, 2077 pf->paddr.ticket); 2078 switch (error) { 2079 case 0: 2080 /* things worked, do nothing */ 2081 break; 2082 case EEXIST: 2083 /* an identical rule is already present */ 2084 was_present = true; 2085 break; 2086 default: 2087 errc(1, error, "DIOCADDRULE"); 2088 } 2089 } 2090 2091 if (pf->opts & PF_OPT_VERBOSE) { 2092 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 2093 print_rule(r, name, 2094 pf->opts & PF_OPT_VERBOSE2, 2095 pf->opts & PF_OPT_NUMERIC); 2096 if (was_present) 2097 printf(" -- rule was already present"); 2098 } 2099 path[len] = '\0'; 2100 pfctl_clear_pool(&r->rpool); 2101 return (0); 2102 } 2103 2104 int 2105 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a) 2106 { 2107 if (altqsupport && 2108 (loadopt & PFCTL_FLAG_ALTQ) != 0) { 2109 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq)); 2110 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2111 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) { 2112 if (errno == ENXIO) 2113 errx(1, "qtype not configured"); 2114 else if (errno == ENODEV) 2115 errx(1, "%s: driver does not support " 2116 "altq", a->ifname); 2117 else 2118 err(1, "DIOCADDALTQ"); 2119 } 2120 } 2121 pfaltq_store(&pf->paltq->altq); 2122 } 2123 return (0); 2124 } 2125 2126 int 2127 pfctl_rules(int dev, char *filename, int opts, int optimize, 2128 char *anchorname, struct pfr_buffer *trans) 2129 { 2130 #define ERR(x) do { warn(x); goto _error; } while(0) 2131 #define ERRX(x) do { warnx(x); goto _error; } while(0) 2132 2133 struct pfr_buffer *t, buf; 2134 struct pfioc_altq pa; 2135 struct pfctl pf; 2136 struct pfctl_ruleset *rs; 2137 struct pfctl_eth_ruleset *ethrs; 2138 struct pfr_table trs; 2139 char *path; 2140 int osize; 2141 2142 RB_INIT(&pf_anchors); 2143 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor)); 2144 pf_init_ruleset(&pf_main_anchor.ruleset); 2145 pf_main_anchor.ruleset.anchor = &pf_main_anchor; 2146 2147 memset(&pf_eth_main_anchor, 0, sizeof(pf_eth_main_anchor)); 2148 pf_init_eth_ruleset(&pf_eth_main_anchor.ruleset); 2149 pf_eth_main_anchor.ruleset.anchor = &pf_eth_main_anchor; 2150 2151 if (trans == NULL) { 2152 bzero(&buf, sizeof(buf)); 2153 buf.pfrb_type = PFRB_TRANS; 2154 t = &buf; 2155 osize = 0; 2156 } else { 2157 t = trans; 2158 osize = t->pfrb_size; 2159 } 2160 2161 memset(&pa, 0, sizeof(pa)); 2162 pa.version = PFIOC_ALTQ_VERSION; 2163 memset(&pf, 0, sizeof(pf)); 2164 memset(&trs, 0, sizeof(trs)); 2165 if ((path = calloc(1, MAXPATHLEN)) == NULL) 2166 ERRX("pfctl_rules: calloc"); 2167 if (strlcpy(trs.pfrt_anchor, anchorname, 2168 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor)) 2169 ERRX("pfctl_rules: strlcpy"); 2170 pf.dev = dev; 2171 pf.h = pfh; 2172 pf.opts = opts; 2173 pf.optimize = optimize; 2174 pf.loadopt = loadopt; 2175 2176 /* non-brace anchor, create without resolving the path */ 2177 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL) 2178 ERRX("pfctl_rules: calloc"); 2179 rs = &pf.anchor->ruleset; 2180 pf_init_ruleset(rs); 2181 rs->anchor = pf.anchor; 2182 if (strlcpy(pf.anchor->path, anchorname, 2183 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path)) 2184 errx(1, "pfctl_rules: strlcpy"); 2185 if (strlcpy(pf.anchor->name, anchorname, 2186 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name)) 2187 errx(1, "pfctl_rules: strlcpy"); 2188 2189 2190 pf.astack[0] = pf.anchor; 2191 pf.asd = 0; 2192 if (anchorname[0]) 2193 pf.loadopt &= ~PFCTL_FLAG_ALTQ; 2194 pf.paltq = &pa; 2195 pf.trans = t; 2196 pfctl_init_options(&pf); 2197 2198 /* Set up ethernet anchor */ 2199 if ((pf.eanchor = calloc(1, sizeof(*pf.eanchor))) == NULL) 2200 ERRX("pfctl_rules: calloc"); 2201 2202 if (strlcpy(pf.eanchor->path, anchorname, 2203 sizeof(pf.eanchor->path)) >= sizeof(pf.eanchor->path)) 2204 errx(1, "pfctl_rules: strlcpy"); 2205 if (strlcpy(pf.eanchor->name, anchorname, 2206 sizeof(pf.eanchor->name)) >= sizeof(pf.eanchor->name)) 2207 errx(1, "pfctl_rules: strlcpy"); 2208 2209 ethrs = &pf.eanchor->ruleset; 2210 pf_init_eth_ruleset(ethrs); 2211 ethrs->anchor = pf.eanchor; 2212 pf.eastack[0] = pf.eanchor; 2213 2214 if ((opts & PF_OPT_NOACTION) == 0) { 2215 /* 2216 * XXX For the time being we need to open transactions for 2217 * the main ruleset before parsing, because tables are still 2218 * loaded at parse time. 2219 */ 2220 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor, true)) 2221 ERRX("pfctl_rules"); 2222 if (pf.loadopt & PFCTL_FLAG_ETH) 2223 pf.eth_ticket = pfctl_get_ticket(t, PF_RULESET_ETH, anchorname); 2224 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ)) 2225 pa.ticket = 2226 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname); 2227 if (pf.loadopt & PFCTL_FLAG_TABLE) 2228 pf.astack[0]->ruleset.tticket = 2229 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname); 2230 } 2231 2232 if (parse_config(filename, &pf) < 0) { 2233 if ((opts & PF_OPT_NOACTION) == 0) 2234 ERRX("Syntax error in config file: " 2235 "pf rules not loaded"); 2236 else 2237 goto _error; 2238 } 2239 if (loadopt & PFCTL_FLAG_OPTION) 2240 pfctl_adjust_skip_ifaces(&pf); 2241 2242 if ((pf.loadopt & PFCTL_FLAG_FILTER && 2243 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) || 2244 (pf.loadopt & PFCTL_FLAG_ETH && 2245 (pfctl_load_eth_ruleset(&pf, path, ethrs, 0))) || 2246 (pf.loadopt & PFCTL_FLAG_NAT && 2247 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) || 2248 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) || 2249 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) || 2250 (pf.loadopt & PFCTL_FLAG_FILTER && 2251 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) { 2252 if ((opts & PF_OPT_NOACTION) == 0) 2253 ERRX("Unable to load rules into kernel"); 2254 else 2255 goto _error; 2256 } 2257 2258 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0)) 2259 if (check_commit_altq(dev, opts) != 0) 2260 ERRX("errors in altq config"); 2261 2262 /* process "load anchor" directives */ 2263 if (!anchorname[0]) 2264 if (pfctl_load_anchors(dev, &pf, t) == -1) 2265 ERRX("load anchors"); 2266 2267 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) { 2268 if (!anchorname[0]) 2269 if (pfctl_load_options(&pf)) 2270 goto _error; 2271 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize)) 2272 ERR("DIOCXCOMMIT"); 2273 } 2274 free(path); 2275 return (0); 2276 2277 _error: 2278 if (trans == NULL) { /* main ruleset */ 2279 if ((opts & PF_OPT_NOACTION) == 0) 2280 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize)) 2281 err(1, "DIOCXROLLBACK"); 2282 exit(1); 2283 } else { /* sub ruleset */ 2284 free(path); 2285 return (-1); 2286 } 2287 2288 #undef ERR 2289 #undef ERRX 2290 } 2291 2292 FILE * 2293 pfctl_fopen(const char *name, const char *mode) 2294 { 2295 struct stat st; 2296 FILE *fp; 2297 2298 fp = fopen(name, mode); 2299 if (fp == NULL) 2300 return (NULL); 2301 if (fstat(fileno(fp), &st)) { 2302 fclose(fp); 2303 return (NULL); 2304 } 2305 if (S_ISDIR(st.st_mode)) { 2306 fclose(fp); 2307 errno = EISDIR; 2308 return (NULL); 2309 } 2310 return (fp); 2311 } 2312 2313 void 2314 pfctl_init_options(struct pfctl *pf) 2315 { 2316 2317 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2318 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; 2319 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2320 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2321 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; 2322 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2323 pf->timeout[PFTM_SCTP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2324 pf->timeout[PFTM_SCTP_OPENING] = PFTM_TCP_OPENING_VAL; 2325 pf->timeout[PFTM_SCTP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2326 pf->timeout[PFTM_SCTP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2327 pf->timeout[PFTM_SCTP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2328 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; 2329 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; 2330 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; 2331 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; 2332 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; 2333 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; 2334 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; 2335 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; 2336 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL; 2337 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; 2338 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; 2339 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; 2340 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; 2341 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; 2342 2343 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT; 2344 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT; 2345 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT; 2346 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT; 2347 2348 pf->debug = PF_DEBUG_URGENT; 2349 pf->reassemble = 0; 2350 2351 pf->syncookies = false; 2352 pf->syncookieswat[0] = PF_SYNCOOKIES_LOWATPCT; 2353 pf->syncookieswat[1] = PF_SYNCOOKIES_HIWATPCT; 2354 } 2355 2356 int 2357 pfctl_load_options(struct pfctl *pf) 2358 { 2359 int i, error = 0; 2360 2361 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2362 return (0); 2363 2364 /* load limits */ 2365 for (i = 0; i < PF_LIMIT_MAX; i++) { 2366 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i]) 2367 continue; 2368 if (pfctl_load_limit(pf, i, pf->limit[i])) 2369 error = 1; 2370 } 2371 2372 /* 2373 * If we've set the limit, but haven't explicitly set adaptive 2374 * timeouts, do it now with a start of 60% and end of 120%. 2375 */ 2376 if (pf->limit_set[PF_LIMIT_STATES] && 2377 !pf->timeout_set[PFTM_ADAPTIVE_START] && 2378 !pf->timeout_set[PFTM_ADAPTIVE_END]) { 2379 pf->timeout[PFTM_ADAPTIVE_START] = 2380 (pf->limit[PF_LIMIT_STATES] / 10) * 6; 2381 pf->timeout_set[PFTM_ADAPTIVE_START] = 1; 2382 pf->timeout[PFTM_ADAPTIVE_END] = 2383 (pf->limit[PF_LIMIT_STATES] / 10) * 12; 2384 pf->timeout_set[PFTM_ADAPTIVE_END] = 1; 2385 } 2386 2387 /* load timeouts */ 2388 for (i = 0; i < PFTM_MAX; i++) { 2389 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i]) 2390 continue; 2391 if (pfctl_load_timeout(pf, i, pf->timeout[i])) 2392 error = 1; 2393 } 2394 2395 /* load debug */ 2396 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set) 2397 if (pfctl_load_debug(pf, pf->debug)) 2398 error = 1; 2399 2400 /* load logif */ 2401 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set) 2402 if (pfctl_load_logif(pf, pf->ifname)) 2403 error = 1; 2404 2405 /* load hostid */ 2406 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set) 2407 if (pfctl_load_hostid(pf, pf->hostid)) 2408 error = 1; 2409 2410 /* load reassembly settings */ 2411 if (!(pf->opts & PF_OPT_MERGE) || pf->reass_set) 2412 if (pfctl_load_reassembly(pf, pf->reassemble)) 2413 error = 1; 2414 2415 /* load keepcounters */ 2416 if (pfctl_set_keepcounters(pf->dev, pf->keep_counters)) 2417 error = 1; 2418 2419 /* load syncookies settings */ 2420 if (pfctl_load_syncookies(pf, pf->syncookies)) 2421 error = 1; 2422 2423 return (error); 2424 } 2425 2426 int 2427 pfctl_apply_limit(struct pfctl *pf, const char *opt, unsigned int limit) 2428 { 2429 int i; 2430 2431 2432 for (i = 0; pf_limits[i].name; i++) { 2433 if (strcasecmp(opt, pf_limits[i].name) == 0) { 2434 pf->limit[pf_limits[i].index] = limit; 2435 pf->limit_set[pf_limits[i].index] = 1; 2436 break; 2437 } 2438 } 2439 if (pf_limits[i].name == NULL) { 2440 warnx("Bad pool name."); 2441 return (1); 2442 } 2443 2444 if (pf->opts & PF_OPT_VERBOSE) 2445 printf("set limit %s %d\n", opt, limit); 2446 2447 return (0); 2448 } 2449 2450 int 2451 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit) 2452 { 2453 if (pfctl_set_limit(pf->h, index, limit)) { 2454 if (errno == EBUSY) 2455 warnx("Current pool size exceeds requested hard limit"); 2456 else 2457 warnx("DIOCSETLIMIT"); 2458 return (1); 2459 } 2460 return (0); 2461 } 2462 2463 int 2464 pfctl_apply_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet) 2465 { 2466 int i; 2467 2468 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2469 return (0); 2470 2471 for (i = 0; pf_timeouts[i].name; i++) { 2472 if (strcasecmp(opt, pf_timeouts[i].name) == 0) { 2473 pf->timeout[pf_timeouts[i].timeout] = seconds; 2474 pf->timeout_set[pf_timeouts[i].timeout] = 1; 2475 break; 2476 } 2477 } 2478 2479 if (pf_timeouts[i].name == NULL) { 2480 warnx("Bad timeout name."); 2481 return (1); 2482 } 2483 2484 2485 if (pf->opts & PF_OPT_VERBOSE && ! quiet) 2486 printf("set timeout %s %d\n", opt, seconds); 2487 2488 return (0); 2489 } 2490 2491 int 2492 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds) 2493 { 2494 if (pfctl_set_timeout(pf->h, timeout, seconds)) { 2495 warnx("DIOCSETTIMEOUT"); 2496 return (1); 2497 } 2498 return (0); 2499 } 2500 2501 int 2502 pfctl_set_reassembly(struct pfctl *pf, int on, int nodf) 2503 { 2504 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2505 return (0); 2506 2507 pf->reass_set = 1; 2508 if (on) { 2509 pf->reassemble = PF_REASS_ENABLED; 2510 if (nodf) 2511 pf->reassemble |= PF_REASS_NODF; 2512 } else { 2513 pf->reassemble = 0; 2514 } 2515 2516 if (pf->opts & PF_OPT_VERBOSE) 2517 printf("set reassemble %s %s\n", on ? "yes" : "no", 2518 nodf ? "no-df" : ""); 2519 2520 return (0); 2521 } 2522 2523 int 2524 pfctl_set_optimization(struct pfctl *pf, const char *opt) 2525 { 2526 const struct pf_hint *hint; 2527 int i, r; 2528 2529 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2530 return (0); 2531 2532 for (i = 0; pf_hints[i].name; i++) 2533 if (strcasecmp(opt, pf_hints[i].name) == 0) 2534 break; 2535 2536 hint = pf_hints[i].hint; 2537 if (hint == NULL) { 2538 warnx("invalid state timeouts optimization"); 2539 return (1); 2540 } 2541 2542 for (i = 0; hint[i].name; i++) 2543 if ((r = pfctl_apply_timeout(pf, hint[i].name, 2544 hint[i].timeout, 1))) 2545 return (r); 2546 2547 if (pf->opts & PF_OPT_VERBOSE) 2548 printf("set optimization %s\n", opt); 2549 2550 return (0); 2551 } 2552 2553 int 2554 pfctl_set_logif(struct pfctl *pf, char *ifname) 2555 { 2556 2557 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2558 return (0); 2559 2560 if (!strcmp(ifname, "none")) { 2561 free(pf->ifname); 2562 pf->ifname = NULL; 2563 } else { 2564 pf->ifname = strdup(ifname); 2565 if (!pf->ifname) 2566 errx(1, "pfctl_set_logif: strdup"); 2567 } 2568 pf->ifname_set = 1; 2569 2570 if (pf->opts & PF_OPT_VERBOSE) 2571 printf("set loginterface %s\n", ifname); 2572 2573 return (0); 2574 } 2575 2576 int 2577 pfctl_load_logif(struct pfctl *pf, char *ifname) 2578 { 2579 if (ifname != NULL && strlen(ifname) >= IFNAMSIZ) { 2580 warnx("pfctl_load_logif: strlcpy"); 2581 return (1); 2582 } 2583 return (pfctl_set_statusif(pfh, ifname ? ifname : "")); 2584 } 2585 2586 int 2587 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid) 2588 { 2589 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2590 return (0); 2591 2592 HTONL(hostid); 2593 2594 pf->hostid = hostid; 2595 pf->hostid_set = 1; 2596 2597 if (pf->opts & PF_OPT_VERBOSE) 2598 printf("set hostid 0x%08x\n", ntohl(hostid)); 2599 2600 return (0); 2601 } 2602 2603 int 2604 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid) 2605 { 2606 if (ioctl(dev, DIOCSETHOSTID, &hostid)) { 2607 warnx("DIOCSETHOSTID"); 2608 return (1); 2609 } 2610 return (0); 2611 } 2612 2613 int 2614 pfctl_load_reassembly(struct pfctl *pf, u_int32_t reassembly) 2615 { 2616 if (ioctl(dev, DIOCSETREASS, &reassembly)) { 2617 warnx("DIOCSETREASS"); 2618 return (1); 2619 } 2620 return (0); 2621 } 2622 2623 int 2624 pfctl_load_syncookies(struct pfctl *pf, u_int8_t val) 2625 { 2626 struct pfctl_syncookies cookies; 2627 2628 bzero(&cookies, sizeof(cookies)); 2629 2630 cookies.mode = val; 2631 cookies.lowwater = pf->syncookieswat[0]; 2632 cookies.highwater = pf->syncookieswat[1]; 2633 2634 if (pfctl_set_syncookies(dev, &cookies)) { 2635 warnx("DIOCSETSYNCOOKIES"); 2636 return (1); 2637 } 2638 return (0); 2639 } 2640 2641 int 2642 pfctl_cfg_syncookies(struct pfctl *pf, uint8_t val, struct pfctl_watermarks *w) 2643 { 2644 if (val != PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2645 warnx("syncookies start/end only apply to adaptive"); 2646 return (1); 2647 } 2648 if (val == PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2649 if (!w->hi) 2650 w->hi = PF_SYNCOOKIES_HIWATPCT; 2651 if (!w->lo) 2652 w->lo = w->hi / 2; 2653 if (w->lo >= w->hi) { 2654 warnx("start must be higher than end"); 2655 return (1); 2656 } 2657 pf->syncookieswat[0] = w->lo; 2658 pf->syncookieswat[1] = w->hi; 2659 pf->syncookieswat_set = 1; 2660 } 2661 2662 if (pf->opts & PF_OPT_VERBOSE) { 2663 if (val == PF_SYNCOOKIES_NEVER) 2664 printf("set syncookies never\n"); 2665 else if (val == PF_SYNCOOKIES_ALWAYS) 2666 printf("set syncookies always\n"); 2667 else if (val == PF_SYNCOOKIES_ADAPTIVE) { 2668 if (pf->syncookieswat_set) 2669 printf("set syncookies adaptive (start %u%%, " 2670 "end %u%%)\n", pf->syncookieswat[1], 2671 pf->syncookieswat[0]); 2672 else 2673 printf("set syncookies adaptive\n"); 2674 } else { /* cannot happen */ 2675 warnx("king bula ate all syncookies"); 2676 return (1); 2677 } 2678 } 2679 2680 pf->syncookies = val; 2681 return (0); 2682 } 2683 2684 int 2685 pfctl_do_set_debug(struct pfctl *pf, char *d) 2686 { 2687 u_int32_t level; 2688 int ret; 2689 2690 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2691 return (0); 2692 2693 if (!strcmp(d, "none")) 2694 pf->debug = PF_DEBUG_NONE; 2695 else if (!strcmp(d, "urgent")) 2696 pf->debug = PF_DEBUG_URGENT; 2697 else if (!strcmp(d, "misc")) 2698 pf->debug = PF_DEBUG_MISC; 2699 else if (!strcmp(d, "loud")) 2700 pf->debug = PF_DEBUG_NOISY; 2701 else { 2702 warnx("unknown debug level \"%s\"", d); 2703 return (-1); 2704 } 2705 2706 pf->debug_set = 1; 2707 level = pf->debug; 2708 2709 if ((pf->opts & PF_OPT_NOACTION) == 0) 2710 if ((ret = pfctl_set_debug(pfh, level)) != 0) 2711 errc(1, ret, "DIOCSETDEBUG"); 2712 2713 if (pf->opts & PF_OPT_VERBOSE) 2714 printf("set debug %s\n", d); 2715 2716 return (0); 2717 } 2718 2719 int 2720 pfctl_load_debug(struct pfctl *pf, unsigned int level) 2721 { 2722 if (pfctl_set_debug(pf->h, level)) { 2723 warnx("DIOCSETDEBUG"); 2724 return (1); 2725 } 2726 return (0); 2727 } 2728 2729 int 2730 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how) 2731 { 2732 struct pfioc_iface pi; 2733 struct node_host *h = NULL, *n = NULL; 2734 2735 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2736 return (0); 2737 2738 bzero(&pi, sizeof(pi)); 2739 2740 pi.pfiio_flags = flags; 2741 2742 /* Make sure our cache matches the kernel. If we set or clear the flag 2743 * for a group this applies to all members. */ 2744 h = ifa_grouplookup(ifname, 0); 2745 for (n = h; n != NULL; n = n->next) 2746 pfctl_set_interface_flags(pf, n->ifname, flags, how); 2747 2748 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >= 2749 sizeof(pi.pfiio_name)) 2750 errx(1, "pfctl_set_interface_flags: strlcpy"); 2751 2752 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2753 if (how == 0) { 2754 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi)) 2755 err(1, "DIOCCLRIFFLAG"); 2756 } else { 2757 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi)) 2758 err(1, "DIOCSETIFFLAG"); 2759 pfctl_check_skip_ifaces(ifname); 2760 } 2761 } 2762 return (0); 2763 } 2764 2765 void 2766 pfctl_debug(int dev, u_int32_t level, int opts) 2767 { 2768 int ret; 2769 2770 if ((ret = pfctl_set_debug(pfh, level)) != 0) 2771 errc(1, ret, "DIOCSETDEBUG"); 2772 if ((opts & PF_OPT_QUIET) == 0) { 2773 fprintf(stderr, "debug level set to '"); 2774 switch (level) { 2775 case PF_DEBUG_NONE: 2776 fprintf(stderr, "none"); 2777 break; 2778 case PF_DEBUG_URGENT: 2779 fprintf(stderr, "urgent"); 2780 break; 2781 case PF_DEBUG_MISC: 2782 fprintf(stderr, "misc"); 2783 break; 2784 case PF_DEBUG_NOISY: 2785 fprintf(stderr, "loud"); 2786 break; 2787 default: 2788 fprintf(stderr, "<invalid>"); 2789 break; 2790 } 2791 fprintf(stderr, "'\n"); 2792 } 2793 } 2794 2795 int 2796 pfctl_test_altqsupport(int dev, int opts) 2797 { 2798 struct pfioc_altq pa; 2799 2800 pa.version = PFIOC_ALTQ_VERSION; 2801 if (ioctl(dev, DIOCGETALTQS, &pa)) { 2802 if (errno == ENODEV) { 2803 if (opts & PF_OPT_VERBOSE) 2804 fprintf(stderr, "No ALTQ support in kernel\n" 2805 "ALTQ related functions disabled\n"); 2806 return (0); 2807 } else 2808 err(1, "DIOCGETALTQS"); 2809 } 2810 return (1); 2811 } 2812 2813 int 2814 pfctl_show_anchors(int dev, int opts, char *anchorname) 2815 { 2816 struct pfioc_ruleset pr; 2817 u_int32_t mnr, nr; 2818 2819 memset(&pr, 0, sizeof(pr)); 2820 memcpy(pr.path, anchorname, sizeof(pr.path)); 2821 if (ioctl(dev, DIOCGETRULESETS, &pr)) { 2822 if (errno == EINVAL) 2823 fprintf(stderr, "Anchor '%s' not found.\n", 2824 anchorname); 2825 else 2826 err(1, "DIOCGETRULESETS"); 2827 return (-1); 2828 } 2829 mnr = pr.nr; 2830 for (nr = 0; nr < mnr; ++nr) { 2831 char sub[MAXPATHLEN]; 2832 2833 pr.nr = nr; 2834 if (ioctl(dev, DIOCGETRULESET, &pr)) 2835 err(1, "DIOCGETRULESET"); 2836 if (!strcmp(pr.name, PF_RESERVED_ANCHOR)) 2837 continue; 2838 sub[0] = 0; 2839 if (pr.path[0]) { 2840 strlcat(sub, pr.path, sizeof(sub)); 2841 strlcat(sub, "/", sizeof(sub)); 2842 } 2843 strlcat(sub, pr.name, sizeof(sub)); 2844 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2845 printf(" %s\n", sub); 2846 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub)) 2847 return (-1); 2848 } 2849 return (0); 2850 } 2851 2852 int 2853 pfctl_show_eth_anchors(int dev, int opts, char *anchorname) 2854 { 2855 struct pfctl_eth_rulesets_info ri; 2856 struct pfctl_eth_ruleset_info rs; 2857 int ret; 2858 2859 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, anchorname)) != 0) { 2860 if (ret == ENOENT) 2861 fprintf(stderr, "Anchor '%s' not found.\n", 2862 anchorname); 2863 else 2864 errc(1, ret, "DIOCGETETHRULESETS"); 2865 return (-1); 2866 } 2867 2868 for (int nr = 0; nr < ri.nr; nr++) { 2869 char sub[MAXPATHLEN]; 2870 2871 if ((ret = pfctl_get_eth_ruleset(dev, anchorname, nr, &rs)) != 0) 2872 errc(1, ret, "DIOCGETETHRULESET"); 2873 2874 if (!strcmp(rs.name, PF_RESERVED_ANCHOR)) 2875 continue; 2876 sub[0] = 0; 2877 if (rs.path[0]) { 2878 strlcat(sub, rs.path, sizeof(sub)); 2879 strlcat(sub, "/", sizeof(sub)); 2880 } 2881 strlcat(sub, rs.name, sizeof(sub)); 2882 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2883 printf(" %s\n", sub); 2884 if ((opts & PF_OPT_VERBOSE) && pfctl_show_eth_anchors(dev, opts, sub)) 2885 return (-1); 2886 } 2887 return (0); 2888 } 2889 2890 const char * 2891 pfctl_lookup_option(char *cmd, const char * const *list) 2892 { 2893 if (cmd != NULL && *cmd) 2894 for (; *list; list++) 2895 if (!strncmp(cmd, *list, strlen(cmd))) 2896 return (*list); 2897 return (NULL); 2898 } 2899 2900 int 2901 main(int argc, char *argv[]) 2902 { 2903 int error = 0; 2904 int ch; 2905 int mode = O_RDONLY; 2906 int opts = 0; 2907 int optimize = PF_OPTIMIZE_BASIC; 2908 char anchorname[MAXPATHLEN]; 2909 char *path; 2910 2911 if (argc < 2) 2912 usage(); 2913 2914 while ((ch = getopt(argc, argv, 2915 "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) { 2916 switch (ch) { 2917 case 'a': 2918 anchoropt = optarg; 2919 break; 2920 case 'd': 2921 opts |= PF_OPT_DISABLE; 2922 mode = O_RDWR; 2923 break; 2924 case 'D': 2925 if (pfctl_cmdline_symset(optarg) < 0) 2926 warnx("could not parse macro definition %s", 2927 optarg); 2928 break; 2929 case 'e': 2930 opts |= PF_OPT_ENABLE; 2931 mode = O_RDWR; 2932 break; 2933 case 'q': 2934 opts |= PF_OPT_QUIET; 2935 break; 2936 case 'F': 2937 clearopt = pfctl_lookup_option(optarg, clearopt_list); 2938 if (clearopt == NULL) { 2939 warnx("Unknown flush modifier '%s'", optarg); 2940 usage(); 2941 } 2942 mode = O_RDWR; 2943 break; 2944 case 'i': 2945 ifaceopt = optarg; 2946 break; 2947 case 'k': 2948 if (state_killers >= 2) { 2949 warnx("can only specify -k twice"); 2950 usage(); 2951 /* NOTREACHED */ 2952 } 2953 state_kill[state_killers++] = optarg; 2954 mode = O_RDWR; 2955 break; 2956 case 'K': 2957 if (src_node_killers >= 2) { 2958 warnx("can only specify -K twice"); 2959 usage(); 2960 /* NOTREACHED */ 2961 } 2962 src_node_kill[src_node_killers++] = optarg; 2963 mode = O_RDWR; 2964 break; 2965 case 'm': 2966 opts |= PF_OPT_MERGE; 2967 break; 2968 case 'M': 2969 opts |= PF_OPT_KILLMATCH; 2970 break; 2971 case 'n': 2972 opts |= PF_OPT_NOACTION; 2973 break; 2974 case 'N': 2975 loadopt |= PFCTL_FLAG_NAT; 2976 break; 2977 case 'r': 2978 opts |= PF_OPT_USEDNS; 2979 break; 2980 case 'f': 2981 rulesopt = optarg; 2982 mode = O_RDWR; 2983 break; 2984 case 'g': 2985 opts |= PF_OPT_DEBUG; 2986 break; 2987 case 'A': 2988 loadopt |= PFCTL_FLAG_ALTQ; 2989 break; 2990 case 'R': 2991 loadopt |= PFCTL_FLAG_FILTER; 2992 break; 2993 case 'o': 2994 optiopt = pfctl_lookup_option(optarg, optiopt_list); 2995 if (optiopt == NULL) { 2996 warnx("Unknown optimization '%s'", optarg); 2997 usage(); 2998 } 2999 opts |= PF_OPT_OPTIMIZE; 3000 break; 3001 case 'O': 3002 loadopt |= PFCTL_FLAG_OPTION; 3003 break; 3004 case 'p': 3005 pf_device = optarg; 3006 break; 3007 case 'P': 3008 opts |= PF_OPT_NUMERIC; 3009 break; 3010 case 's': 3011 showopt = pfctl_lookup_option(optarg, showopt_list); 3012 if (showopt == NULL) { 3013 warnx("Unknown show modifier '%s'", optarg); 3014 usage(); 3015 } 3016 break; 3017 case 't': 3018 tableopt = optarg; 3019 break; 3020 case 'T': 3021 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list); 3022 if (tblcmdopt == NULL) { 3023 warnx("Unknown table command '%s'", optarg); 3024 usage(); 3025 } 3026 break; 3027 case 'v': 3028 if (opts & PF_OPT_VERBOSE) 3029 opts |= PF_OPT_VERBOSE2; 3030 opts |= PF_OPT_VERBOSE; 3031 break; 3032 case 'x': 3033 debugopt = pfctl_lookup_option(optarg, debugopt_list); 3034 if (debugopt == NULL) { 3035 warnx("Unknown debug level '%s'", optarg); 3036 usage(); 3037 } 3038 mode = O_RDWR; 3039 break; 3040 case 'z': 3041 opts |= PF_OPT_CLRRULECTRS; 3042 mode = O_RDWR; 3043 break; 3044 case 'h': 3045 /* FALLTHROUGH */ 3046 default: 3047 usage(); 3048 /* NOTREACHED */ 3049 } 3050 } 3051 3052 if (tblcmdopt != NULL) { 3053 argc -= optind; 3054 argv += optind; 3055 ch = *tblcmdopt; 3056 if (ch == 'l') { 3057 loadopt |= PFCTL_FLAG_TABLE; 3058 tblcmdopt = NULL; 3059 } else 3060 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY; 3061 } else if (argc != optind) { 3062 warnx("unknown command line argument: %s ...", argv[optind]); 3063 usage(); 3064 /* NOTREACHED */ 3065 } 3066 if (loadopt == 0) 3067 loadopt = ~0; 3068 3069 if ((path = calloc(1, MAXPATHLEN)) == NULL) 3070 errx(1, "pfctl: calloc"); 3071 memset(anchorname, 0, sizeof(anchorname)); 3072 if (anchoropt != NULL) { 3073 int len = strlen(anchoropt); 3074 3075 if (len >= 1 && anchoropt[len - 1] == '*') { 3076 if (len >= 2 && anchoropt[len - 2] == '/') 3077 anchoropt[len - 2] = '\0'; 3078 else 3079 anchoropt[len - 1] = '\0'; 3080 opts |= PF_OPT_RECURSE; 3081 } 3082 if (strlcpy(anchorname, anchoropt, 3083 sizeof(anchorname)) >= sizeof(anchorname)) 3084 errx(1, "anchor name '%s' too long", 3085 anchoropt); 3086 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE|PFCTL_FLAG_ETH; 3087 } 3088 3089 if ((opts & PF_OPT_NOACTION) == 0) { 3090 dev = open(pf_device, mode); 3091 if (dev == -1) 3092 err(1, "%s", pf_device); 3093 altqsupport = pfctl_test_altqsupport(dev, opts); 3094 } else { 3095 dev = open(pf_device, O_RDONLY); 3096 if (dev >= 0) 3097 opts |= PF_OPT_DUMMYACTION; 3098 /* turn off options */ 3099 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE); 3100 clearopt = showopt = debugopt = NULL; 3101 #if !defined(ENABLE_ALTQ) 3102 altqsupport = 0; 3103 #else 3104 altqsupport = 1; 3105 #endif 3106 } 3107 pfh = pfctl_open(pf_device); 3108 if (pfh == NULL) 3109 err(1, "Failed to open netlink"); 3110 3111 if (opts & PF_OPT_DISABLE) 3112 if (pfctl_disable(dev, opts)) 3113 error = 1; 3114 3115 if (showopt != NULL) { 3116 switch (*showopt) { 3117 case 'A': 3118 pfctl_show_anchors(dev, opts, anchorname); 3119 if (opts & PF_OPT_VERBOSE2) 3120 printf("Ethernet:\n"); 3121 pfctl_show_eth_anchors(dev, opts, anchorname); 3122 break; 3123 case 'r': 3124 pfctl_load_fingerprints(dev, opts); 3125 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES, 3126 anchorname, 0, 0); 3127 break; 3128 case 'l': 3129 pfctl_load_fingerprints(dev, opts); 3130 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS, 3131 anchorname, 0, 0); 3132 break; 3133 case 'n': 3134 pfctl_load_fingerprints(dev, opts); 3135 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3136 break; 3137 case 'q': 3138 pfctl_show_altq(dev, ifaceopt, opts, 3139 opts & PF_OPT_VERBOSE2); 3140 break; 3141 case 's': 3142 pfctl_show_states(dev, ifaceopt, opts); 3143 break; 3144 case 'S': 3145 pfctl_show_src_nodes(dev, opts); 3146 break; 3147 case 'i': 3148 pfctl_show_status(dev, opts); 3149 break; 3150 case 'R': 3151 error = pfctl_show_running(dev); 3152 break; 3153 case 't': 3154 pfctl_show_timeouts(dev, opts); 3155 break; 3156 case 'm': 3157 pfctl_show_limits(dev, opts); 3158 break; 3159 case 'e': 3160 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3161 0); 3162 break; 3163 case 'a': 3164 opts |= PF_OPT_SHOWALL; 3165 pfctl_load_fingerprints(dev, opts); 3166 3167 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3168 0); 3169 3170 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3171 pfctl_show_rules(dev, path, opts, 0, anchorname, 0, 0); 3172 pfctl_show_altq(dev, ifaceopt, opts, 0); 3173 pfctl_show_states(dev, ifaceopt, opts); 3174 pfctl_show_src_nodes(dev, opts); 3175 pfctl_show_status(dev, opts); 3176 pfctl_show_rules(dev, path, opts, 1, anchorname, 0, 0); 3177 pfctl_show_timeouts(dev, opts); 3178 pfctl_show_limits(dev, opts); 3179 pfctl_show_tables(anchorname, opts); 3180 pfctl_show_fingerprints(opts); 3181 break; 3182 case 'T': 3183 pfctl_show_tables(anchorname, opts); 3184 break; 3185 case 'o': 3186 pfctl_load_fingerprints(dev, opts); 3187 pfctl_show_fingerprints(opts); 3188 break; 3189 case 'I': 3190 pfctl_show_ifaces(ifaceopt, opts); 3191 break; 3192 case 'c': 3193 pfctl_show_creators(opts); 3194 break; 3195 } 3196 } 3197 3198 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL) { 3199 pfctl_show_eth_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3200 anchorname, 0, 0); 3201 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3202 anchorname, 0, 0); 3203 } 3204 3205 if (clearopt != NULL) { 3206 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3207 errx(1, "anchor names beginning with '_' cannot " 3208 "be modified from the command line"); 3209 3210 switch (*clearopt) { 3211 case 'e': 3212 pfctl_flush_eth_rules(dev, opts, anchorname); 3213 break; 3214 case 'r': 3215 pfctl_flush_rules(dev, opts, anchorname); 3216 break; 3217 case 'n': 3218 pfctl_flush_nat(dev, opts, anchorname); 3219 break; 3220 case 'q': 3221 pfctl_clear_altq(dev, opts); 3222 break; 3223 case 's': 3224 pfctl_clear_iface_states(dev, ifaceopt, opts); 3225 break; 3226 case 'S': 3227 pfctl_clear_src_nodes(dev, opts); 3228 break; 3229 case 'i': 3230 pfctl_clear_stats(pfh, opts); 3231 break; 3232 case 'a': 3233 pfctl_flush_eth_rules(dev, opts, anchorname); 3234 pfctl_flush_rules(dev, opts, anchorname); 3235 pfctl_flush_nat(dev, opts, anchorname); 3236 pfctl_clear_tables(anchorname, opts); 3237 if (!*anchorname) { 3238 pfctl_clear_altq(dev, opts); 3239 pfctl_clear_iface_states(dev, ifaceopt, opts); 3240 pfctl_clear_src_nodes(dev, opts); 3241 pfctl_clear_stats(pfh, opts); 3242 pfctl_clear_fingerprints(dev, opts); 3243 pfctl_clear_interface_flags(dev, opts); 3244 } 3245 break; 3246 case 'o': 3247 pfctl_clear_fingerprints(dev, opts); 3248 break; 3249 case 'T': 3250 pfctl_clear_tables(anchorname, opts); 3251 break; 3252 } 3253 } 3254 if (state_killers) { 3255 if (!strcmp(state_kill[0], "label")) 3256 pfctl_label_kill_states(dev, ifaceopt, opts); 3257 else if (!strcmp(state_kill[0], "id")) 3258 pfctl_id_kill_states(dev, ifaceopt, opts); 3259 else if (!strcmp(state_kill[0], "gateway")) 3260 pfctl_gateway_kill_states(dev, ifaceopt, opts); 3261 else 3262 pfctl_net_kill_states(dev, ifaceopt, opts); 3263 } 3264 3265 if (src_node_killers) 3266 pfctl_kill_src_nodes(dev, ifaceopt, opts); 3267 3268 if (tblcmdopt != NULL) { 3269 error = pfctl_command_tables(argc, argv, tableopt, 3270 tblcmdopt, rulesopt, anchorname, opts); 3271 rulesopt = NULL; 3272 } 3273 if (optiopt != NULL) { 3274 switch (*optiopt) { 3275 case 'n': 3276 optimize = 0; 3277 break; 3278 case 'b': 3279 optimize |= PF_OPTIMIZE_BASIC; 3280 break; 3281 case 'o': 3282 case 'p': 3283 optimize |= PF_OPTIMIZE_PROFILE; 3284 break; 3285 } 3286 } 3287 3288 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) && 3289 !anchorname[0] && !(opts & PF_OPT_NOACTION)) 3290 if (pfctl_get_skip_ifaces()) 3291 error = 1; 3292 3293 if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) && 3294 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION)) 3295 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE)) 3296 error = 1; 3297 3298 if (rulesopt != NULL) { 3299 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3300 errx(1, "anchor names beginning with '_' cannot " 3301 "be modified from the command line"); 3302 if (pfctl_rules(dev, rulesopt, opts, optimize, 3303 anchorname, NULL)) 3304 error = 1; 3305 else if (!(opts & PF_OPT_NOACTION) && 3306 (loadopt & PFCTL_FLAG_TABLE)) 3307 warn_namespace_collision(NULL); 3308 } 3309 3310 if (opts & PF_OPT_ENABLE) 3311 if (pfctl_enable(dev, opts)) 3312 error = 1; 3313 3314 if (debugopt != NULL) { 3315 switch (*debugopt) { 3316 case 'n': 3317 pfctl_debug(dev, PF_DEBUG_NONE, opts); 3318 break; 3319 case 'u': 3320 pfctl_debug(dev, PF_DEBUG_URGENT, opts); 3321 break; 3322 case 'm': 3323 pfctl_debug(dev, PF_DEBUG_MISC, opts); 3324 break; 3325 case 'l': 3326 pfctl_debug(dev, PF_DEBUG_NOISY, opts); 3327 break; 3328 } 3329 } 3330 3331 exit(error); 3332 } 3333