1 /* $OpenBSD: pfctl.c,v 1.278 2008/08/31 20:18:17 jmc Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2001 Daniel Hartmeier 7 * Copyright (c) 2002,2003 Henning Brauer 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * - Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * - Redistributions in binary form must reproduce the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer in the documentation and/or other materials provided 19 * with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 36 #include <sys/cdefs.h> 37 #define PFIOC_USE_LATEST 38 39 #include <sys/types.h> 40 #include <sys/ioctl.h> 41 #include <sys/socket.h> 42 #include <sys/stat.h> 43 #include <sys/endian.h> 44 45 #include <net/if.h> 46 #include <netinet/in.h> 47 #include <net/pfvar.h> 48 #include <arpa/inet.h> 49 #include <net/altq/altq.h> 50 51 #include <err.h> 52 #include <errno.h> 53 #include <fcntl.h> 54 #include <libpfctl.h> 55 #include <limits.h> 56 #include <netdb.h> 57 #include <stdint.h> 58 #include <stdio.h> 59 #include <stdlib.h> 60 #include <string.h> 61 #include <unistd.h> 62 63 #include "pfctl_parser.h" 64 #include "pfctl.h" 65 66 void usage(void); 67 int pfctl_enable(int, int); 68 int pfctl_disable(int, int); 69 int pfctl_clear_stats(struct pfctl_handle *, int); 70 int pfctl_get_skip_ifaces(void); 71 int pfctl_check_skip_ifaces(char *); 72 int pfctl_adjust_skip_ifaces(struct pfctl *); 73 int pfctl_clear_interface_flags(int, int); 74 int pfctl_flush_eth_rules(int, int, char *); 75 int pfctl_flush_rules(int, int, char *); 76 int pfctl_flush_nat(int, int, char *); 77 int pfctl_clear_altq(int, int); 78 int pfctl_clear_src_nodes(int, int); 79 int pfctl_clear_iface_states(int, const char *, int); 80 void pfctl_addrprefix(char *, struct pf_addr *); 81 int pfctl_kill_src_nodes(int, const char *, int); 82 int pfctl_net_kill_states(int, const char *, int); 83 int pfctl_gateway_kill_states(int, const char *, int); 84 int pfctl_label_kill_states(int, const char *, int); 85 int pfctl_id_kill_states(int, const char *, int); 86 void pfctl_init_options(struct pfctl *); 87 int pfctl_load_options(struct pfctl *); 88 int pfctl_load_limit(struct pfctl *, unsigned int, unsigned int); 89 int pfctl_load_timeout(struct pfctl *, unsigned int, unsigned int); 90 int pfctl_load_debug(struct pfctl *, unsigned int); 91 int pfctl_load_logif(struct pfctl *, char *); 92 int pfctl_load_hostid(struct pfctl *, u_int32_t); 93 int pfctl_load_reassembly(struct pfctl *, u_int32_t); 94 int pfctl_load_syncookies(struct pfctl *, u_int8_t); 95 int pfctl_get_pool(int, struct pfctl_pool *, u_int32_t, u_int32_t, int, 96 char *, int); 97 void pfctl_print_eth_rule_counters(struct pfctl_eth_rule *, int); 98 void pfctl_print_rule_counters(struct pfctl_rule *, int); 99 int pfctl_show_eth_rules(int, char *, int, enum pfctl_show, char *, int, int); 100 int pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int, int); 101 int pfctl_show_nat(int, char *, int, char *, int, int); 102 int pfctl_show_src_nodes(int, int); 103 int pfctl_show_states(int, const char *, int); 104 int pfctl_show_status(int, int); 105 int pfctl_show_running(int); 106 int pfctl_show_timeouts(int, int); 107 int pfctl_show_limits(int, int); 108 void pfctl_debug(int, u_int32_t, int); 109 int pfctl_test_altqsupport(int, int); 110 int pfctl_show_anchors(int, int, char *); 111 int pfctl_show_eth_anchors(int, int, char *); 112 int pfctl_ruleset_trans(struct pfctl *, char *, struct pfctl_anchor *, bool); 113 int pfctl_eth_ruleset_trans(struct pfctl *, char *, 114 struct pfctl_eth_anchor *); 115 int pfctl_load_eth_ruleset(struct pfctl *, char *, 116 struct pfctl_eth_ruleset *, int); 117 int pfctl_load_eth_rule(struct pfctl *, char *, struct pfctl_eth_rule *, 118 int); 119 int pfctl_load_ruleset(struct pfctl *, char *, 120 struct pfctl_ruleset *, int, int); 121 int pfctl_load_rule(struct pfctl *, char *, struct pfctl_rule *, int); 122 const char *pfctl_lookup_option(char *, const char * const *); 123 124 static struct pfctl_anchor_global pf_anchors; 125 struct pfctl_anchor pf_main_anchor; 126 struct pfctl_eth_anchor pf_eth_main_anchor; 127 static struct pfr_buffer skip_b; 128 129 static const char *clearopt; 130 static char *rulesopt; 131 static const char *showopt; 132 static const char *debugopt; 133 static char *anchoropt; 134 static const char *optiopt = NULL; 135 static const char *pf_device = PF_DEVICE; 136 static char *ifaceopt; 137 static char *tableopt; 138 static const char *tblcmdopt; 139 static int src_node_killers; 140 static char *src_node_kill[2]; 141 static int state_killers; 142 static char *state_kill[2]; 143 int loadopt; 144 int altqsupport; 145 146 int dev = -1; 147 struct pfctl_handle *pfh = NULL; 148 static int first_title = 1; 149 static int labels = 0; 150 151 #define INDENT(d, o) do { \ 152 if (o) { \ 153 int i; \ 154 for (i=0; i < d; i++) \ 155 printf(" "); \ 156 } \ 157 } while (0); \ 158 159 160 static const struct { 161 const char *name; 162 int index; 163 } pf_limits[] = { 164 { "states", PF_LIMIT_STATES }, 165 { "src-nodes", PF_LIMIT_SRC_NODES }, 166 { "frags", PF_LIMIT_FRAGS }, 167 { "table-entries", PF_LIMIT_TABLE_ENTRIES }, 168 { NULL, 0 } 169 }; 170 171 struct pf_hint { 172 const char *name; 173 int timeout; 174 }; 175 static const struct pf_hint pf_hint_normal[] = { 176 { "tcp.first", 2 * 60 }, 177 { "tcp.opening", 30 }, 178 { "tcp.established", 24 * 60 * 60 }, 179 { "tcp.closing", 15 * 60 }, 180 { "tcp.finwait", 45 }, 181 { "tcp.closed", 90 }, 182 { "tcp.tsdiff", 30 }, 183 { NULL, 0 } 184 }; 185 static const struct pf_hint pf_hint_satellite[] = { 186 { "tcp.first", 3 * 60 }, 187 { "tcp.opening", 30 + 5 }, 188 { "tcp.established", 24 * 60 * 60 }, 189 { "tcp.closing", 15 * 60 + 5 }, 190 { "tcp.finwait", 45 + 5 }, 191 { "tcp.closed", 90 + 5 }, 192 { "tcp.tsdiff", 60 }, 193 { NULL, 0 } 194 }; 195 static const struct pf_hint pf_hint_conservative[] = { 196 { "tcp.first", 60 * 60 }, 197 { "tcp.opening", 15 * 60 }, 198 { "tcp.established", 5 * 24 * 60 * 60 }, 199 { "tcp.closing", 60 * 60 }, 200 { "tcp.finwait", 10 * 60 }, 201 { "tcp.closed", 3 * 60 }, 202 { "tcp.tsdiff", 60 }, 203 { NULL, 0 } 204 }; 205 static const struct pf_hint pf_hint_aggressive[] = { 206 { "tcp.first", 30 }, 207 { "tcp.opening", 5 }, 208 { "tcp.established", 5 * 60 * 60 }, 209 { "tcp.closing", 60 }, 210 { "tcp.finwait", 30 }, 211 { "tcp.closed", 30 }, 212 { "tcp.tsdiff", 10 }, 213 { NULL, 0 } 214 }; 215 216 static const struct { 217 const char *name; 218 const struct pf_hint *hint; 219 } pf_hints[] = { 220 { "normal", pf_hint_normal }, 221 { "satellite", pf_hint_satellite }, 222 { "high-latency", pf_hint_satellite }, 223 { "conservative", pf_hint_conservative }, 224 { "aggressive", pf_hint_aggressive }, 225 { NULL, NULL } 226 }; 227 228 static const char * const clearopt_list[] = { 229 "nat", "queue", "rules", "Sources", 230 "states", "info", "Tables", "osfp", "all", 231 "ethernet", NULL 232 }; 233 234 static const char * const showopt_list[] = { 235 "ether", "nat", "queue", "rules", "Anchors", "Sources", "states", 236 "info", "Interfaces", "labels", "timeouts", "memory", "Tables", 237 "osfp", "Running", "all", "creatorids", NULL 238 }; 239 240 static const char * const tblcmdopt_list[] = { 241 "kill", "flush", "add", "delete", "load", "replace", "show", 242 "test", "zero", "expire", "reset", NULL 243 }; 244 245 static const char * const debugopt_list[] = { 246 "none", "urgent", "misc", "loud", NULL 247 }; 248 249 static const char * const optiopt_list[] = { 250 "none", "basic", "profile", NULL 251 }; 252 253 void 254 usage(void) 255 { 256 extern char *__progname; 257 258 fprintf(stderr, 259 "usage: %s [-AdeghMmNnOPqRrvz] [-a anchor] [-D macro=value] [-F modifier]\n" 260 "\t[-f file] [-i interface] [-K host | network]\n" 261 "\t[-k host | network | gateway | label | id] [-o level] [-p device]\n" 262 "\t[-s modifier] [-t table -T command [address ...]] [-x level]\n", 263 __progname); 264 265 exit(1); 266 } 267 268 /* 269 * Cache protocol number to name translations. 270 * 271 * Translation is performed a lot e.g., when dumping states and 272 * getprotobynumber is incredibly expensive. 273 * 274 * Note from the getprotobynumber(3) manpage: 275 * <quote> 276 * These functions use a thread-specific data space; if the data is needed 277 * for future use, it should be copied before any subsequent calls overwrite 278 * it. Only the Internet protocols are currently understood. 279 * </quote> 280 * 281 * Consequently we only cache the name and strdup it for safety. 282 * 283 * At the time of writing this comment the last entry in /etc/protocols is: 284 * divert 258 DIVERT # Divert pseudo-protocol [non IANA] 285 */ 286 const char * 287 pfctl_proto2name(int proto) 288 { 289 static const char *pfctl_proto_cache[259]; 290 struct protoent *p; 291 292 if (proto >= nitems(pfctl_proto_cache)) { 293 p = getprotobynumber(proto); 294 if (p == NULL) { 295 return (NULL); 296 } 297 return (p->p_name); 298 } 299 300 if (pfctl_proto_cache[proto] == NULL) { 301 p = getprotobynumber(proto); 302 if (p == NULL) { 303 return (NULL); 304 } 305 pfctl_proto_cache[proto] = strdup(p->p_name); 306 } 307 308 return (pfctl_proto_cache[proto]); 309 } 310 311 int 312 pfctl_enable(int dev, int opts) 313 { 314 int ret; 315 316 if ((ret = pfctl_startstop(pfh, 1)) != 0) { 317 if (ret == EEXIST) 318 errx(1, "pf already enabled"); 319 else if (ret == ESRCH) 320 errx(1, "pfil registeration failed"); 321 else 322 errc(1, ret, "DIOCSTART"); 323 } 324 if ((opts & PF_OPT_QUIET) == 0) 325 fprintf(stderr, "pf enabled\n"); 326 327 if (altqsupport && ioctl(dev, DIOCSTARTALTQ)) 328 if (errno != EEXIST) 329 err(1, "DIOCSTARTALTQ"); 330 331 return (0); 332 } 333 334 int 335 pfctl_disable(int dev, int opts) 336 { 337 int ret; 338 339 if ((ret = pfctl_startstop(pfh, 0)) != 0) { 340 if (ret == ENOENT) 341 errx(1, "pf not enabled"); 342 else 343 errc(1, ret, "DIOCSTOP"); 344 } 345 if ((opts & PF_OPT_QUIET) == 0) 346 fprintf(stderr, "pf disabled\n"); 347 348 if (altqsupport && ioctl(dev, DIOCSTOPALTQ)) 349 if (errno != ENOENT) 350 err(1, "DIOCSTOPALTQ"); 351 352 return (0); 353 } 354 355 int 356 pfctl_clear_stats(struct pfctl_handle *h, int opts) 357 { 358 int ret; 359 if ((ret = pfctl_clear_status(h)) != 0) 360 errc(1, ret, "DIOCCLRSTATUS"); 361 if ((opts & PF_OPT_QUIET) == 0) 362 fprintf(stderr, "pf: statistics cleared\n"); 363 return (0); 364 } 365 366 int 367 pfctl_get_skip_ifaces(void) 368 { 369 bzero(&skip_b, sizeof(skip_b)); 370 skip_b.pfrb_type = PFRB_IFACES; 371 for (;;) { 372 pfr_buf_grow(&skip_b, skip_b.pfrb_size); 373 skip_b.pfrb_size = skip_b.pfrb_msize; 374 if (pfi_get_ifaces(NULL, skip_b.pfrb_caddr, &skip_b.pfrb_size)) 375 err(1, "pfi_get_ifaces"); 376 if (skip_b.pfrb_size <= skip_b.pfrb_msize) 377 break; 378 } 379 return (0); 380 } 381 382 int 383 pfctl_check_skip_ifaces(char *ifname) 384 { 385 struct pfi_kif *p; 386 struct node_host *h = NULL, *n = NULL; 387 388 PFRB_FOREACH(p, &skip_b) { 389 if (!strcmp(ifname, p->pfik_name) && 390 (p->pfik_flags & PFI_IFLAG_SKIP)) 391 p->pfik_flags &= ~PFI_IFLAG_SKIP; 392 if (!strcmp(ifname, p->pfik_name) && p->pfik_group != NULL) { 393 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 394 continue; 395 396 for (n = h; n != NULL; n = n->next) { 397 if (strncmp(p->pfik_name, ifname, IFNAMSIZ)) 398 continue; 399 400 p->pfik_flags &= ~PFI_IFLAG_SKIP; 401 } 402 } 403 } 404 return (0); 405 } 406 407 int 408 pfctl_adjust_skip_ifaces(struct pfctl *pf) 409 { 410 struct pfi_kif *p, *pp; 411 struct node_host *h = NULL, *n = NULL; 412 413 PFRB_FOREACH(p, &skip_b) { 414 if (p->pfik_group == NULL || !(p->pfik_flags & PFI_IFLAG_SKIP)) 415 continue; 416 417 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 418 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 419 continue; 420 421 for (n = h; n != NULL; n = n->next) 422 PFRB_FOREACH(pp, &skip_b) { 423 if (strncmp(pp->pfik_name, n->ifname, IFNAMSIZ)) 424 continue; 425 426 if (!(pp->pfik_flags & PFI_IFLAG_SKIP)) 427 pfctl_set_interface_flags(pf, 428 pp->pfik_name, PFI_IFLAG_SKIP, 1); 429 if (pp->pfik_flags & PFI_IFLAG_SKIP) 430 pp->pfik_flags &= ~PFI_IFLAG_SKIP; 431 } 432 } 433 434 PFRB_FOREACH(p, &skip_b) { 435 if (! (p->pfik_flags & PFI_IFLAG_SKIP)) 436 continue; 437 438 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 439 } 440 441 return (0); 442 } 443 444 int 445 pfctl_clear_interface_flags(int dev, int opts) 446 { 447 struct pfioc_iface pi; 448 449 if ((opts & PF_OPT_NOACTION) == 0) { 450 bzero(&pi, sizeof(pi)); 451 pi.pfiio_flags = PFI_IFLAG_SKIP; 452 453 if (ioctl(dev, DIOCCLRIFFLAG, &pi)) 454 err(1, "DIOCCLRIFFLAG"); 455 if ((opts & PF_OPT_QUIET) == 0) 456 fprintf(stderr, "pf: interface flags reset\n"); 457 } 458 return (0); 459 } 460 461 int 462 pfctl_flush_eth_rules(int dev, int opts, char *anchorname) 463 { 464 int ret; 465 466 ret = pfctl_clear_eth_rules(dev, anchorname); 467 if (ret != 0) 468 err(1, "pfctl_clear_eth_rules"); 469 470 if ((opts & PF_OPT_QUIET) == 0) 471 fprintf(stderr, "Ethernet rules cleared\n"); 472 473 return (ret); 474 } 475 476 int 477 pfctl_flush_rules(int dev, int opts, char *anchorname) 478 { 479 int ret; 480 481 ret = pfctl_clear_rules(dev, anchorname); 482 if (ret != 0) 483 err(1, "pfctl_clear_rules"); 484 if ((opts & PF_OPT_QUIET) == 0) 485 fprintf(stderr, "rules cleared\n"); 486 return (0); 487 } 488 489 int 490 pfctl_flush_nat(int dev, int opts, char *anchorname) 491 { 492 int ret; 493 494 ret = pfctl_clear_nat(dev, anchorname); 495 if (ret != 0) 496 err(1, "pfctl_clear_nat"); 497 if ((opts & PF_OPT_QUIET) == 0) 498 fprintf(stderr, "nat cleared\n"); 499 return (0); 500 } 501 502 int 503 pfctl_clear_altq(int dev, int opts) 504 { 505 struct pfr_buffer t; 506 507 if (!altqsupport) 508 return (-1); 509 memset(&t, 0, sizeof(t)); 510 t.pfrb_type = PFRB_TRANS; 511 if (pfctl_add_trans(&t, PF_RULESET_ALTQ, "") || 512 pfctl_trans(dev, &t, DIOCXBEGIN, 0) || 513 pfctl_trans(dev, &t, DIOCXCOMMIT, 0)) 514 err(1, "pfctl_clear_altq"); 515 if ((opts & PF_OPT_QUIET) == 0) 516 fprintf(stderr, "altq cleared\n"); 517 return (0); 518 } 519 520 int 521 pfctl_clear_src_nodes(int dev, int opts) 522 { 523 if (ioctl(dev, DIOCCLRSRCNODES)) 524 err(1, "DIOCCLRSRCNODES"); 525 if ((opts & PF_OPT_QUIET) == 0) 526 fprintf(stderr, "source tracking entries cleared\n"); 527 return (0); 528 } 529 530 int 531 pfctl_clear_iface_states(int dev, const char *iface, int opts) 532 { 533 struct pfctl_kill kill; 534 unsigned int killed; 535 int ret; 536 537 memset(&kill, 0, sizeof(kill)); 538 if (iface != NULL && strlcpy(kill.ifname, iface, 539 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 540 errx(1, "invalid interface: %s", iface); 541 542 if (opts & PF_OPT_KILLMATCH) 543 kill.kill_match = true; 544 545 if ((ret = pfctl_clear_states_h(pfh, &kill, &killed)) != 0) 546 errc(1, ret, "DIOCCLRSTATES"); 547 if ((opts & PF_OPT_QUIET) == 0) 548 fprintf(stderr, "%d states cleared\n", killed); 549 return (0); 550 } 551 552 void 553 pfctl_addrprefix(char *addr, struct pf_addr *mask) 554 { 555 char *p; 556 const char *errstr; 557 int prefix, ret_ga, q, r; 558 struct addrinfo hints, *res; 559 560 if ((p = strchr(addr, '/')) == NULL) 561 return; 562 563 *p++ = '\0'; 564 prefix = strtonum(p, 0, 128, &errstr); 565 if (errstr) 566 errx(1, "prefix is %s: %s", errstr, p); 567 568 bzero(&hints, sizeof(hints)); 569 /* prefix only with numeric addresses */ 570 hints.ai_flags |= AI_NUMERICHOST; 571 572 if ((ret_ga = getaddrinfo(addr, NULL, &hints, &res))) { 573 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 574 /* NOTREACHED */ 575 } 576 577 if (res->ai_family == AF_INET && prefix > 32) 578 errx(1, "prefix too long for AF_INET"); 579 else if (res->ai_family == AF_INET6 && prefix > 128) 580 errx(1, "prefix too long for AF_INET6"); 581 582 q = prefix >> 3; 583 r = prefix & 7; 584 switch (res->ai_family) { 585 case AF_INET: 586 bzero(&mask->v4, sizeof(mask->v4)); 587 mask->v4.s_addr = htonl((u_int32_t) 588 (0xffffffffffULL << (32 - prefix))); 589 break; 590 case AF_INET6: 591 bzero(&mask->v6, sizeof(mask->v6)); 592 if (q > 0) 593 memset((void *)&mask->v6, 0xff, q); 594 if (r > 0) 595 *((u_char *)&mask->v6 + q) = 596 (0xff00 >> r) & 0xff; 597 break; 598 } 599 freeaddrinfo(res); 600 } 601 602 int 603 pfctl_kill_src_nodes(int dev, const char *iface, int opts) 604 { 605 struct pfioc_src_node_kill psnk; 606 struct addrinfo *res[2], *resp[2]; 607 struct sockaddr last_src, last_dst; 608 int killed, sources, dests; 609 int ret_ga; 610 611 killed = sources = dests = 0; 612 613 memset(&psnk, 0, sizeof(psnk)); 614 memset(&psnk.psnk_src.addr.v.a.mask, 0xff, 615 sizeof(psnk.psnk_src.addr.v.a.mask)); 616 memset(&last_src, 0xff, sizeof(last_src)); 617 memset(&last_dst, 0xff, sizeof(last_dst)); 618 619 pfctl_addrprefix(src_node_kill[0], &psnk.psnk_src.addr.v.a.mask); 620 621 if ((ret_ga = getaddrinfo(src_node_kill[0], NULL, NULL, &res[0]))) { 622 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 623 /* NOTREACHED */ 624 } 625 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 626 if (resp[0]->ai_addr == NULL) 627 continue; 628 /* We get lots of duplicates. Catch the easy ones */ 629 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 630 continue; 631 last_src = *(struct sockaddr *)resp[0]->ai_addr; 632 633 psnk.psnk_af = resp[0]->ai_family; 634 sources++; 635 636 if (psnk.psnk_af == AF_INET) 637 psnk.psnk_src.addr.v.a.addr.v4 = 638 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 639 else if (psnk.psnk_af == AF_INET6) 640 psnk.psnk_src.addr.v.a.addr.v6 = 641 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 642 sin6_addr; 643 else 644 errx(1, "Unknown address family %d", psnk.psnk_af); 645 646 if (src_node_killers > 1) { 647 dests = 0; 648 memset(&psnk.psnk_dst.addr.v.a.mask, 0xff, 649 sizeof(psnk.psnk_dst.addr.v.a.mask)); 650 memset(&last_dst, 0xff, sizeof(last_dst)); 651 pfctl_addrprefix(src_node_kill[1], 652 &psnk.psnk_dst.addr.v.a.mask); 653 if ((ret_ga = getaddrinfo(src_node_kill[1], NULL, NULL, 654 &res[1]))) { 655 errx(1, "getaddrinfo: %s", 656 gai_strerror(ret_ga)); 657 /* NOTREACHED */ 658 } 659 for (resp[1] = res[1]; resp[1]; 660 resp[1] = resp[1]->ai_next) { 661 if (resp[1]->ai_addr == NULL) 662 continue; 663 if (psnk.psnk_af != resp[1]->ai_family) 664 continue; 665 666 if (memcmp(&last_dst, resp[1]->ai_addr, 667 sizeof(last_dst)) == 0) 668 continue; 669 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 670 671 dests++; 672 673 if (psnk.psnk_af == AF_INET) 674 psnk.psnk_dst.addr.v.a.addr.v4 = 675 ((struct sockaddr_in *)resp[1]-> 676 ai_addr)->sin_addr; 677 else if (psnk.psnk_af == AF_INET6) 678 psnk.psnk_dst.addr.v.a.addr.v6 = 679 ((struct sockaddr_in6 *)resp[1]-> 680 ai_addr)->sin6_addr; 681 else 682 errx(1, "Unknown address family %d", 683 psnk.psnk_af); 684 685 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 686 err(1, "DIOCKILLSRCNODES"); 687 killed += psnk.psnk_killed; 688 } 689 freeaddrinfo(res[1]); 690 } else { 691 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 692 err(1, "DIOCKILLSRCNODES"); 693 killed += psnk.psnk_killed; 694 } 695 } 696 697 freeaddrinfo(res[0]); 698 699 if ((opts & PF_OPT_QUIET) == 0) 700 fprintf(stderr, "killed %d src nodes from %d sources and %d " 701 "destinations\n", killed, sources, dests); 702 return (0); 703 } 704 705 int 706 pfctl_net_kill_states(int dev, const char *iface, int opts) 707 { 708 struct pfctl_kill kill; 709 struct addrinfo *res[2], *resp[2]; 710 struct sockaddr last_src, last_dst; 711 unsigned int newkilled; 712 int killed, sources, dests; 713 int ret_ga, ret; 714 715 killed = sources = dests = 0; 716 717 memset(&kill, 0, sizeof(kill)); 718 memset(&kill.src.addr.v.a.mask, 0xff, 719 sizeof(kill.src.addr.v.a.mask)); 720 memset(&last_src, 0xff, sizeof(last_src)); 721 memset(&last_dst, 0xff, sizeof(last_dst)); 722 if (iface != NULL && strlcpy(kill.ifname, iface, 723 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 724 errx(1, "invalid interface: %s", iface); 725 726 if (state_killers == 2 && (strcmp(state_kill[0], "nat") == 0)) { 727 kill.nat = true; 728 state_kill[0] = state_kill[1]; 729 state_killers = 1; 730 } 731 732 pfctl_addrprefix(state_kill[0], &kill.src.addr.v.a.mask); 733 734 if (opts & PF_OPT_KILLMATCH) 735 kill.kill_match = true; 736 737 if ((ret_ga = getaddrinfo(state_kill[0], NULL, NULL, &res[0]))) { 738 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 739 /* NOTREACHED */ 740 } 741 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 742 if (resp[0]->ai_addr == NULL) 743 continue; 744 /* We get lots of duplicates. Catch the easy ones */ 745 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 746 continue; 747 last_src = *(struct sockaddr *)resp[0]->ai_addr; 748 749 kill.af = resp[0]->ai_family; 750 sources++; 751 752 if (kill.af == AF_INET) 753 kill.src.addr.v.a.addr.v4 = 754 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 755 else if (kill.af == AF_INET6) 756 kill.src.addr.v.a.addr.v6 = 757 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 758 sin6_addr; 759 else 760 errx(1, "Unknown address family %d", kill.af); 761 762 if (state_killers > 1) { 763 dests = 0; 764 memset(&kill.dst.addr.v.a.mask, 0xff, 765 sizeof(kill.dst.addr.v.a.mask)); 766 memset(&last_dst, 0xff, sizeof(last_dst)); 767 pfctl_addrprefix(state_kill[1], 768 &kill.dst.addr.v.a.mask); 769 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, 770 &res[1]))) { 771 errx(1, "getaddrinfo: %s", 772 gai_strerror(ret_ga)); 773 /* NOTREACHED */ 774 } 775 for (resp[1] = res[1]; resp[1]; 776 resp[1] = resp[1]->ai_next) { 777 if (resp[1]->ai_addr == NULL) 778 continue; 779 if (kill.af != resp[1]->ai_family) 780 continue; 781 782 if (memcmp(&last_dst, resp[1]->ai_addr, 783 sizeof(last_dst)) == 0) 784 continue; 785 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 786 787 dests++; 788 789 if (kill.af == AF_INET) 790 kill.dst.addr.v.a.addr.v4 = 791 ((struct sockaddr_in *)resp[1]-> 792 ai_addr)->sin_addr; 793 else if (kill.af == AF_INET6) 794 kill.dst.addr.v.a.addr.v6 = 795 ((struct sockaddr_in6 *)resp[1]-> 796 ai_addr)->sin6_addr; 797 else 798 errx(1, "Unknown address family %d", 799 kill.af); 800 801 if ((ret = pfctl_kill_states_h(pfh, &kill, &newkilled)) != 0) 802 errc(1, ret, "DIOCKILLSTATES"); 803 killed += newkilled; 804 } 805 freeaddrinfo(res[1]); 806 } else { 807 if ((ret = pfctl_kill_states_h(pfh, &kill, &newkilled)) != 0) 808 errc(1, ret, "DIOCKILLSTATES"); 809 killed += newkilled; 810 } 811 } 812 813 freeaddrinfo(res[0]); 814 815 if ((opts & PF_OPT_QUIET) == 0) 816 fprintf(stderr, "killed %d states from %d sources and %d " 817 "destinations\n", killed, sources, dests); 818 return (0); 819 } 820 821 int 822 pfctl_gateway_kill_states(int dev, const char *iface, int opts) 823 { 824 struct pfctl_kill kill; 825 struct addrinfo *res, *resp; 826 struct sockaddr last_src; 827 unsigned int newkilled; 828 int killed = 0; 829 int ret_ga; 830 831 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 832 warnx("no gateway specified"); 833 usage(); 834 } 835 836 memset(&kill, 0, sizeof(kill)); 837 memset(&kill.rt_addr.addr.v.a.mask, 0xff, 838 sizeof(kill.rt_addr.addr.v.a.mask)); 839 memset(&last_src, 0xff, sizeof(last_src)); 840 if (iface != NULL && strlcpy(kill.ifname, iface, 841 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 842 errx(1, "invalid interface: %s", iface); 843 844 if (opts & PF_OPT_KILLMATCH) 845 kill.kill_match = true; 846 847 pfctl_addrprefix(state_kill[1], &kill.rt_addr.addr.v.a.mask); 848 849 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, &res))) { 850 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 851 /* NOTREACHED */ 852 } 853 for (resp = res; resp; resp = resp->ai_next) { 854 if (resp->ai_addr == NULL) 855 continue; 856 /* We get lots of duplicates. Catch the easy ones */ 857 if (memcmp(&last_src, resp->ai_addr, sizeof(last_src)) == 0) 858 continue; 859 last_src = *(struct sockaddr *)resp->ai_addr; 860 861 kill.af = resp->ai_family; 862 863 if (kill.af == AF_INET) 864 kill.rt_addr.addr.v.a.addr.v4 = 865 ((struct sockaddr_in *)resp->ai_addr)->sin_addr; 866 else if (kill.af == AF_INET6) 867 kill.rt_addr.addr.v.a.addr.v6 = 868 ((struct sockaddr_in6 *)resp->ai_addr)-> 869 sin6_addr; 870 else 871 errx(1, "Unknown address family %d", kill.af); 872 873 if (pfctl_kill_states_h(pfh, &kill, &newkilled)) 874 err(1, "DIOCKILLSTATES"); 875 killed += newkilled; 876 } 877 878 freeaddrinfo(res); 879 880 if ((opts & PF_OPT_QUIET) == 0) 881 fprintf(stderr, "killed %d states\n", killed); 882 return (0); 883 } 884 885 int 886 pfctl_label_kill_states(int dev, const char *iface, int opts) 887 { 888 struct pfctl_kill kill; 889 unsigned int killed; 890 int ret; 891 892 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 893 warnx("no label specified"); 894 usage(); 895 } 896 memset(&kill, 0, sizeof(kill)); 897 if (iface != NULL && strlcpy(kill.ifname, iface, 898 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 899 errx(1, "invalid interface: %s", iface); 900 901 if (opts & PF_OPT_KILLMATCH) 902 kill.kill_match = true; 903 904 if (strlcpy(kill.label, state_kill[1], sizeof(kill.label)) >= 905 sizeof(kill.label)) 906 errx(1, "label too long: %s", state_kill[1]); 907 908 if ((ret = pfctl_kill_states_h(pfh, &kill, &killed)) != 0) 909 errc(1, ret, "DIOCKILLSTATES"); 910 911 if ((opts & PF_OPT_QUIET) == 0) 912 fprintf(stderr, "killed %d states\n", killed); 913 914 return (0); 915 } 916 917 int 918 pfctl_id_kill_states(int dev, const char *iface, int opts) 919 { 920 struct pfctl_kill kill; 921 unsigned int killed; 922 int ret; 923 924 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 925 warnx("no id specified"); 926 usage(); 927 } 928 929 memset(&kill, 0, sizeof(kill)); 930 931 if (opts & PF_OPT_KILLMATCH) 932 kill.kill_match = true; 933 934 if ((sscanf(state_kill[1], "%jx/%x", 935 &kill.cmp.id, &kill.cmp.creatorid)) == 2) { 936 } 937 else if ((sscanf(state_kill[1], "%jx", &kill.cmp.id)) == 1) { 938 kill.cmp.creatorid = 0; 939 } else { 940 warnx("wrong id format specified"); 941 usage(); 942 } 943 if (kill.cmp.id == 0) { 944 warnx("cannot kill id 0"); 945 usage(); 946 } 947 948 if ((ret = pfctl_kill_states_h(pfh, &kill, &killed)) != 0) 949 errc(1, ret, "DIOCKILLSTATES"); 950 951 if ((opts & PF_OPT_QUIET) == 0) 952 fprintf(stderr, "killed %d states\n", killed); 953 954 return (0); 955 } 956 957 int 958 pfctl_get_pool(int dev, struct pfctl_pool *pool, u_int32_t nr, 959 u_int32_t ticket, int r_action, char *anchorname, int which) 960 { 961 struct pfioc_pooladdr pp; 962 struct pf_pooladdr *pa; 963 u_int32_t pnr, mpnr; 964 int ret; 965 966 memset(&pp, 0, sizeof(pp)); 967 if ((ret = pfctl_get_addrs(pfh, ticket, nr, r_action, anchorname, &mpnr, which)) != 0) { 968 warnc(ret, "DIOCGETADDRS"); 969 return (-1); 970 } 971 972 TAILQ_INIT(&pool->list); 973 for (pnr = 0; pnr < mpnr; ++pnr) { 974 if ((ret = pfctl_get_addr(pfh, ticket, nr, r_action, anchorname, pnr, &pp, which)) != 0) { 975 warnc(ret, "DIOCGETADDR"); 976 return (-1); 977 } 978 pa = calloc(1, sizeof(struct pf_pooladdr)); 979 if (pa == NULL) 980 err(1, "calloc"); 981 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr)); 982 TAILQ_INSERT_TAIL(&pool->list, pa, entries); 983 } 984 985 return (0); 986 } 987 988 void 989 pfctl_move_pool(struct pfctl_pool *src, struct pfctl_pool *dst) 990 { 991 struct pf_pooladdr *pa; 992 993 while ((pa = TAILQ_FIRST(&src->list)) != NULL) { 994 TAILQ_REMOVE(&src->list, pa, entries); 995 TAILQ_INSERT_TAIL(&dst->list, pa, entries); 996 } 997 } 998 999 void 1000 pfctl_clear_pool(struct pfctl_pool *pool) 1001 { 1002 struct pf_pooladdr *pa; 1003 1004 while ((pa = TAILQ_FIRST(&pool->list)) != NULL) { 1005 TAILQ_REMOVE(&pool->list, pa, entries); 1006 free(pa); 1007 } 1008 } 1009 1010 void 1011 pfctl_print_eth_rule_counters(struct pfctl_eth_rule *rule, int opts) 1012 { 1013 if (opts & PF_OPT_VERBOSE) { 1014 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1015 "Bytes: %-10llu]\n", 1016 (unsigned long long)rule->evaluations, 1017 (unsigned long long)(rule->packets[0] + 1018 rule->packets[1]), 1019 (unsigned long long)(rule->bytes[0] + 1020 rule->bytes[1])); 1021 } 1022 if (opts & PF_OPT_VERBOSE2) { 1023 char timestr[30]; 1024 1025 if (rule->last_active_timestamp != 0) { 1026 bcopy(ctime(&rule->last_active_timestamp), timestr, 1027 sizeof(timestr)); 1028 *strchr(timestr, '\n') = '\0'; 1029 } else { 1030 snprintf(timestr, sizeof(timestr), "N/A"); 1031 } 1032 printf(" [ Last Active Time: %s ]\n", timestr); 1033 } 1034 } 1035 1036 void 1037 pfctl_print_rule_counters(struct pfctl_rule *rule, int opts) 1038 { 1039 if (opts & PF_OPT_DEBUG) { 1040 const char *t[PF_SKIP_COUNT] = { "i", "d", "f", 1041 "p", "sa", "da", "sp", "dp" }; 1042 int i; 1043 1044 printf(" [ Skip steps: "); 1045 for (i = 0; i < PF_SKIP_COUNT; ++i) { 1046 if (rule->skip[i].nr == rule->nr + 1) 1047 continue; 1048 printf("%s=", t[i]); 1049 if (rule->skip[i].nr == -1) 1050 printf("end "); 1051 else 1052 printf("%u ", rule->skip[i].nr); 1053 } 1054 printf("]\n"); 1055 1056 printf(" [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n", 1057 rule->qname, rule->qid, rule->pqname, rule->pqid); 1058 } 1059 if (opts & PF_OPT_VERBOSE) { 1060 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1061 "Bytes: %-10llu States: %-6ju]\n", 1062 (unsigned long long)rule->evaluations, 1063 (unsigned long long)(rule->packets[0] + 1064 rule->packets[1]), 1065 (unsigned long long)(rule->bytes[0] + 1066 rule->bytes[1]), (uintmax_t)rule->states_cur); 1067 if (!(opts & PF_OPT_DEBUG)) 1068 printf(" [ Inserted: uid %u pid %u " 1069 "State Creations: %-6ju]\n", 1070 (unsigned)rule->cuid, (unsigned)rule->cpid, 1071 (uintmax_t)rule->states_tot); 1072 } 1073 if (opts & PF_OPT_VERBOSE2) { 1074 char timestr[30]; 1075 if (rule->last_active_timestamp != 0) { 1076 bcopy(ctime(&rule->last_active_timestamp), timestr, 1077 sizeof(timestr)); 1078 *strchr(timestr, '\n') = '\0'; 1079 } else { 1080 snprintf(timestr, sizeof(timestr), "N/A"); 1081 } 1082 printf(" [ Last Active Time: %s ]\n", timestr); 1083 } 1084 } 1085 1086 void 1087 pfctl_print_title(char *title) 1088 { 1089 if (!first_title) 1090 printf("\n"); 1091 first_title = 0; 1092 printf("%s\n", title); 1093 } 1094 1095 int 1096 pfctl_show_eth_rules(int dev, char *path, int opts, enum pfctl_show format, 1097 char *anchorname, int depth, int wildcard) 1098 { 1099 char anchor_call[MAXPATHLEN]; 1100 struct pfctl_eth_rules_info info; 1101 struct pfctl_eth_rule rule; 1102 int brace; 1103 int dotitle = opts & PF_OPT_SHOWALL; 1104 int len = strlen(path); 1105 int ret; 1106 char *npath, *p; 1107 1108 /* 1109 * Truncate a trailing / and * on an anchorname before searching for 1110 * the ruleset, this is syntactic sugar that doesn't actually make it 1111 * to the kernel. 1112 */ 1113 if ((p = strrchr(anchorname, '/')) != NULL && 1114 p[1] == '*' && p[2] == '\0') { 1115 p[0] = '\0'; 1116 } 1117 1118 if (anchorname[0] == '/') { 1119 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1120 errx(1, "pfctl_rules: calloc"); 1121 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1122 } else { 1123 if (path[0]) 1124 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1125 else 1126 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1127 npath = path; 1128 } 1129 1130 /* 1131 * If this anchor was called with a wildcard path, go through 1132 * the rulesets in the anchor rather than the rules. 1133 */ 1134 if (wildcard && (opts & PF_OPT_RECURSE)) { 1135 struct pfctl_eth_rulesets_info ri; 1136 u_int32_t mnr, nr; 1137 1138 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, npath)) != 0) { 1139 if (ret == EINVAL) { 1140 fprintf(stderr, "Anchor '%s' " 1141 "not found.\n", anchorname); 1142 } else { 1143 warnc(ret, "DIOCGETETHRULESETS"); 1144 return (-1); 1145 } 1146 } 1147 mnr = ri.nr; 1148 1149 pfctl_print_eth_rule_counters(&rule, opts); 1150 for (nr = 0; nr < mnr; ++nr) { 1151 struct pfctl_eth_ruleset_info rs; 1152 1153 if ((ret = pfctl_get_eth_ruleset(dev, npath, nr, &rs)) != 0) 1154 errc(1, ret, "DIOCGETETHRULESET"); 1155 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1156 printf("anchor \"%s\" all {\n", rs.name); 1157 pfctl_show_eth_rules(dev, npath, opts, 1158 format, rs.name, depth + 1, 0); 1159 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1160 printf("}\n"); 1161 } 1162 path[len] = '\0'; 1163 return (0); 1164 } 1165 1166 if ((ret = pfctl_get_eth_rules_info(dev, &info, path)) != 0) { 1167 warnc(ret, "DIOCGETETHRULES"); 1168 return (-1); 1169 } 1170 for (int nr = 0; nr < info.nr; nr++) { 1171 brace = 0; 1172 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1173 if ((ret = pfctl_get_eth_rule(dev, nr, info.ticket, path, &rule, 1174 opts & PF_OPT_CLRRULECTRS, anchor_call)) != 0) { 1175 warnc(ret, "DIOCGETETHRULE"); 1176 return (-1); 1177 } 1178 if (anchor_call[0] && 1179 ((((p = strrchr(anchor_call, '_')) != NULL) && 1180 (p == anchor_call || 1181 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) { 1182 brace++; 1183 int aclen = strlen(anchor_call); 1184 if (anchor_call[aclen - 1] == '*') 1185 anchor_call[aclen - 2] = '\0'; 1186 } 1187 p = &anchor_call[0]; 1188 if (dotitle) { 1189 pfctl_print_title("ETH RULES:"); 1190 dotitle = 0; 1191 } 1192 print_eth_rule(&rule, anchor_call, 1193 opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1194 if (brace) 1195 printf(" {\n"); 1196 else 1197 printf("\n"); 1198 pfctl_print_eth_rule_counters(&rule, opts); 1199 if (brace) { 1200 pfctl_show_eth_rules(dev, path, opts, format, 1201 p, depth + 1, rule.anchor_wildcard); 1202 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1203 printf("}\n"); 1204 } 1205 } 1206 1207 path[len] = '\0'; 1208 return (0); 1209 } 1210 1211 int 1212 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format, 1213 char *anchorname, int depth, int wildcard) 1214 { 1215 struct pfctl_rules_info ri; 1216 struct pfctl_rule rule; 1217 char anchor_call[MAXPATHLEN]; 1218 u_int32_t nr, header = 0; 1219 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 1220 int numeric = opts & PF_OPT_NUMERIC; 1221 int len = strlen(path), ret = 0; 1222 char *npath, *p; 1223 1224 /* 1225 * Truncate a trailing / and * on an anchorname before searching for 1226 * the ruleset, this is syntactic sugar that doesn't actually make it 1227 * to the kernel. 1228 */ 1229 if ((p = strrchr(anchorname, '/')) != NULL && 1230 p[1] == '*' && p[2] == '\0') { 1231 p[0] = '\0'; 1232 } 1233 1234 if (anchorname[0] == '/') { 1235 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1236 errx(1, "pfctl_rules: calloc"); 1237 strlcpy(npath, anchorname, MAXPATHLEN); 1238 } else { 1239 if (path[0]) 1240 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1241 else 1242 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1243 npath = path; 1244 } 1245 1246 /* 1247 * If this anchor was called with a wildcard path, go through 1248 * the rulesets in the anchor rather than the rules. 1249 */ 1250 if (wildcard && (opts & PF_OPT_RECURSE)) { 1251 struct pfioc_ruleset prs; 1252 u_int32_t mnr, nr; 1253 1254 memset(&prs, 0, sizeof(prs)); 1255 if ((ret = pfctl_get_rulesets(pfh, npath, &mnr)) != 0) { 1256 if (ret == EINVAL) 1257 fprintf(stderr, "Anchor '%s' " 1258 "not found.\n", anchorname); 1259 else 1260 errc(1, ret, "DIOCGETRULESETS"); 1261 } 1262 1263 pfctl_print_rule_counters(&rule, opts); 1264 for (nr = 0; nr < mnr; ++nr) { 1265 if ((ret = pfctl_get_ruleset(pfh, npath, nr, &prs)) != 0) 1266 errc(1, ret, "DIOCGETRULESET"); 1267 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1268 printf("anchor \"%s\" all {\n", prs.name); 1269 pfctl_show_rules(dev, npath, opts, 1270 format, prs.name, depth + 1, 0); 1271 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1272 printf("}\n"); 1273 } 1274 path[len] = '\0'; 1275 return (0); 1276 } 1277 1278 if (opts & PF_OPT_SHOWALL) { 1279 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1280 if (ret != 0) { 1281 warnc(ret, "DIOCGETRULES"); 1282 goto error; 1283 } 1284 header++; 1285 } 1286 ret = pfctl_get_rules_info_h(pfh, &ri, PF_SCRUB, path); 1287 if (ret != 0) { 1288 warnc(ret, "DIOCGETRULES"); 1289 goto error; 1290 } 1291 if (opts & PF_OPT_SHOWALL) { 1292 if (format == PFCTL_SHOW_RULES && (ri.nr > 0 || header)) 1293 pfctl_print_title("FILTER RULES:"); 1294 else if (format == PFCTL_SHOW_LABELS && labels) 1295 pfctl_print_title("LABEL COUNTERS:"); 1296 } 1297 1298 for (nr = 0; nr < ri.nr; ++nr) { 1299 if ((ret = pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_SCRUB, 1300 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) != 0) { 1301 warnc(ret, "DIOCGETRULENV"); 1302 goto error; 1303 } 1304 1305 if (pfctl_get_pool(dev, &rule.rdr, 1306 nr, ri.ticket, PF_SCRUB, path, PF_RDR) != 0) 1307 goto error; 1308 1309 if (pfctl_get_pool(dev, &rule.nat, 1310 nr, ri.ticket, PF_SCRUB, path, PF_NAT) != 0) 1311 goto error; 1312 1313 if (pfctl_get_pool(dev, &rule.route, 1314 nr, ri.ticket, PF_SCRUB, path, PF_RT) != 0) 1315 goto error; 1316 1317 switch (format) { 1318 case PFCTL_SHOW_LABELS: 1319 break; 1320 case PFCTL_SHOW_RULES: 1321 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1322 labels = 1; 1323 print_rule(&rule, anchor_call, rule_numbers, numeric); 1324 printf("\n"); 1325 pfctl_print_rule_counters(&rule, opts); 1326 break; 1327 case PFCTL_SHOW_NOTHING: 1328 break; 1329 } 1330 pfctl_clear_pool(&rule.rdr); 1331 pfctl_clear_pool(&rule.nat); 1332 pfctl_clear_pool(&rule.route); 1333 } 1334 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1335 if (ret != 0) { 1336 warnc(ret, "DIOCGETRULES"); 1337 goto error; 1338 } 1339 for (nr = 0; nr < ri.nr; ++nr) { 1340 if ((ret = pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_PASS, 1341 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) != 0) { 1342 warnc(ret, "DIOCGETRULE"); 1343 goto error; 1344 } 1345 1346 if (pfctl_get_pool(dev, &rule.rdr, 1347 nr, ri.ticket, PF_PASS, path, PF_RDR) != 0) 1348 goto error; 1349 1350 if (pfctl_get_pool(dev, &rule.nat, 1351 nr, ri.ticket, PF_PASS, path, PF_NAT) != 0) 1352 goto error; 1353 1354 if (pfctl_get_pool(dev, &rule.route, 1355 nr, ri.ticket, PF_PASS, path, PF_RT) != 0) 1356 goto error; 1357 1358 switch (format) { 1359 case PFCTL_SHOW_LABELS: { 1360 bool show = false; 1361 int i = 0; 1362 1363 while (rule.label[i][0]) { 1364 printf("%s ", rule.label[i++]); 1365 show = true; 1366 } 1367 1368 if (show) { 1369 printf("%llu %llu %llu %llu" 1370 " %llu %llu %llu %ju\n", 1371 (unsigned long long)rule.evaluations, 1372 (unsigned long long)(rule.packets[0] + 1373 rule.packets[1]), 1374 (unsigned long long)(rule.bytes[0] + 1375 rule.bytes[1]), 1376 (unsigned long long)rule.packets[0], 1377 (unsigned long long)rule.bytes[0], 1378 (unsigned long long)rule.packets[1], 1379 (unsigned long long)rule.bytes[1], 1380 (uintmax_t)rule.states_tot); 1381 } 1382 1383 if (anchor_call[0] && 1384 (((p = strrchr(anchor_call, '/')) ? 1385 p[1] == '_' : anchor_call[0] == '_') || 1386 opts & PF_OPT_RECURSE)) { 1387 pfctl_show_rules(dev, npath, opts, format, 1388 anchor_call, depth, rule.anchor_wildcard); 1389 } 1390 break; 1391 } 1392 case PFCTL_SHOW_RULES: 1393 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1394 labels = 1; 1395 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1396 print_rule(&rule, anchor_call, rule_numbers, numeric); 1397 1398 /* 1399 * If this is a 'unnamed' brace notation 1400 * anchor, OR the user has explicitly requested 1401 * recursion, print it recursively. 1402 */ 1403 if (anchor_call[0] && 1404 (((p = strrchr(anchor_call, '/')) ? 1405 p[1] == '_' : anchor_call[0] == '_') || 1406 opts & PF_OPT_RECURSE)) { 1407 printf(" {\n"); 1408 pfctl_print_rule_counters(&rule, opts); 1409 pfctl_show_rules(dev, npath, opts, format, 1410 anchor_call, depth + 1, 1411 rule.anchor_wildcard); 1412 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1413 printf("}\n"); 1414 } else { 1415 printf("\n"); 1416 pfctl_print_rule_counters(&rule, opts); 1417 } 1418 break; 1419 case PFCTL_SHOW_NOTHING: 1420 break; 1421 } 1422 pfctl_clear_pool(&rule.rdr); 1423 pfctl_clear_pool(&rule.nat); 1424 } 1425 1426 error: 1427 path[len] = '\0'; 1428 return (ret); 1429 } 1430 1431 int 1432 pfctl_show_nat(int dev, char *path, int opts, char *anchorname, int depth, 1433 int wildcard) 1434 { 1435 struct pfctl_rules_info ri; 1436 struct pfctl_rule rule; 1437 char anchor_call[MAXPATHLEN]; 1438 u_int32_t nr; 1439 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT }; 1440 int i, dotitle = opts & PF_OPT_SHOWALL; 1441 int ret; 1442 int len = strlen(path); 1443 char *npath, *p; 1444 1445 /* 1446 * Truncate a trailing / and * on an anchorname before searching for 1447 * the ruleset, this is syntactic sugar that doesn't actually make it 1448 * to the kernel. 1449 */ 1450 if ((p = strrchr(anchorname, '/')) != NULL && 1451 p[1] == '*' && p[2] == '\0') { 1452 p[0] = '\0'; 1453 } 1454 1455 if (anchorname[0] == '/') { 1456 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1457 errx(1, "pfctl_rules: calloc"); 1458 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1459 } else { 1460 if (path[0]) 1461 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1462 else 1463 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1464 npath = path; 1465 } 1466 1467 /* 1468 * If this anchor was called with a wildcard path, go through 1469 * the rulesets in the anchor rather than the rules. 1470 */ 1471 if (wildcard && (opts & PF_OPT_RECURSE)) { 1472 struct pfioc_ruleset prs; 1473 u_int32_t mnr, nr; 1474 memset(&prs, 0, sizeof(prs)); 1475 if ((ret = pfctl_get_rulesets(pfh, npath, &mnr)) != 0) { 1476 if (ret == EINVAL) 1477 fprintf(stderr, "NAT anchor '%s' " 1478 "not found.\n", anchorname); 1479 else 1480 errc(1, ret, "DIOCGETRULESETS"); 1481 } 1482 1483 pfctl_print_rule_counters(&rule, opts); 1484 for (nr = 0; nr < mnr; ++nr) { 1485 if ((ret = pfctl_get_ruleset(pfh, npath, nr, &prs)) != 0) 1486 errc(1, ret, "DIOCGETRULESET"); 1487 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1488 printf("nat-anchor \"%s\" all {\n", prs.name); 1489 pfctl_show_nat(dev, npath, opts, 1490 prs.name, depth + 1, 0); 1491 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1492 printf("}\n"); 1493 } 1494 path[len] = '\0'; 1495 return (0); 1496 } 1497 1498 for (i = 0; i < 3; i++) { 1499 ret = pfctl_get_rules_info_h(pfh, &ri, nattype[i], path); 1500 if (ret != 0) { 1501 warnc(ret, "DIOCGETRULES"); 1502 return (-1); 1503 } 1504 for (nr = 0; nr < ri.nr; ++nr) { 1505 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1506 1507 if ((ret = pfctl_get_rule_h(pfh, nr, ri.ticket, path, 1508 nattype[i], &rule, anchor_call)) != 0) { 1509 warnc(ret, "DIOCGETRULE"); 1510 return (-1); 1511 } 1512 if (pfctl_get_pool(dev, &rule.rdr, nr, 1513 ri.ticket, nattype[i], path, PF_RDR) != 0) 1514 return (-1); 1515 if (pfctl_get_pool(dev, &rule.nat, nr, 1516 ri.ticket, nattype[i], path, PF_NAT) != 0) 1517 return (-1); 1518 if (pfctl_get_pool(dev, &rule.route, nr, 1519 ri.ticket, nattype[i], path, PF_RT) != 0) 1520 return (-1); 1521 1522 if (dotitle) { 1523 pfctl_print_title("TRANSLATION RULES:"); 1524 dotitle = 0; 1525 } 1526 print_rule(&rule, anchor_call, 1527 opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC); 1528 if (anchor_call[0] && 1529 (((p = strrchr(anchor_call, '/')) ? 1530 p[1] == '_' : anchor_call[0] == '_') || 1531 opts & PF_OPT_RECURSE)) { 1532 printf(" {\n"); 1533 pfctl_print_rule_counters(&rule, opts); 1534 pfctl_show_nat(dev, npath, opts, anchor_call, 1535 depth + 1, rule.anchor_wildcard); 1536 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1537 printf("}\n"); 1538 } else { 1539 printf("\n"); 1540 pfctl_print_rule_counters(&rule, opts); 1541 } 1542 } 1543 } 1544 return (0); 1545 } 1546 1547 static int 1548 pfctl_print_src_node(struct pfctl_src_node *sn, void *arg) 1549 { 1550 int *opts = (int *)arg; 1551 1552 if (*opts & PF_OPT_SHOWALL) { 1553 pfctl_print_title("SOURCE TRACKING NODES:"); 1554 *opts &= ~PF_OPT_SHOWALL; 1555 } 1556 1557 print_src_node(sn, *opts); 1558 1559 return (0); 1560 } 1561 1562 int 1563 pfctl_show_src_nodes(int dev, int opts) 1564 { 1565 int error; 1566 1567 error = pfctl_get_srcnodes(pfh, pfctl_print_src_node, &opts); 1568 1569 return (error); 1570 } 1571 1572 struct pfctl_show_state_arg { 1573 int opts; 1574 int dotitle; 1575 const char *iface; 1576 }; 1577 1578 static int 1579 pfctl_show_state(struct pfctl_state *s, void *arg) 1580 { 1581 struct pfctl_show_state_arg *a = (struct pfctl_show_state_arg *)arg; 1582 1583 if (a->dotitle) { 1584 pfctl_print_title("STATES:"); 1585 a->dotitle = 0; 1586 } 1587 print_state(s, a->opts); 1588 1589 return (0); 1590 } 1591 1592 int 1593 pfctl_show_states(int dev, const char *iface, int opts) 1594 { 1595 struct pfctl_show_state_arg arg; 1596 struct pfctl_state_filter filter = {}; 1597 1598 if (iface != NULL) 1599 strncpy(filter.ifname, iface, IFNAMSIZ); 1600 1601 arg.opts = opts; 1602 arg.dotitle = opts & PF_OPT_SHOWALL; 1603 arg.iface = iface; 1604 1605 if (pfctl_get_filtered_states_iter(&filter, pfctl_show_state, &arg)) 1606 return (-1); 1607 1608 return (0); 1609 } 1610 1611 int 1612 pfctl_show_status(int dev, int opts) 1613 { 1614 struct pfctl_status *status; 1615 struct pfctl_syncookies cookies; 1616 int ret; 1617 1618 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1619 warn("DIOCGETSTATUS"); 1620 return (-1); 1621 } 1622 if ((ret = pfctl_get_syncookies(dev, &cookies)) != 0) { 1623 pfctl_free_status(status); 1624 warnc(ret, "DIOCGETSYNCOOKIES"); 1625 return (-1); 1626 } 1627 if (opts & PF_OPT_SHOWALL) 1628 pfctl_print_title("INFO:"); 1629 print_status(status, &cookies, opts); 1630 pfctl_free_status(status); 1631 return (0); 1632 } 1633 1634 int 1635 pfctl_show_running(int dev) 1636 { 1637 struct pfctl_status *status; 1638 int running; 1639 1640 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1641 warn("DIOCGETSTATUS"); 1642 return (-1); 1643 } 1644 1645 running = status->running; 1646 1647 print_running(status); 1648 pfctl_free_status(status); 1649 return (!running); 1650 } 1651 1652 int 1653 pfctl_show_timeouts(int dev, int opts) 1654 { 1655 uint32_t seconds; 1656 int i; 1657 int ret; 1658 1659 if (opts & PF_OPT_SHOWALL) 1660 pfctl_print_title("TIMEOUTS:"); 1661 for (i = 0; pf_timeouts[i].name; i++) { 1662 if ((ret = pfctl_get_timeout(pfh, pf_timeouts[i].timeout, &seconds)) != 0) 1663 errc(1, ret, "DIOCGETTIMEOUT"); 1664 printf("%-20s %10d", pf_timeouts[i].name, seconds); 1665 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START && 1666 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END) 1667 printf(" states"); 1668 else 1669 printf("s"); 1670 printf("\n"); 1671 } 1672 return (0); 1673 1674 } 1675 1676 int 1677 pfctl_show_limits(int dev, int opts) 1678 { 1679 unsigned int limit; 1680 int i; 1681 int ret; 1682 1683 if (opts & PF_OPT_SHOWALL) 1684 pfctl_print_title("LIMITS:"); 1685 for (i = 0; pf_limits[i].name; i++) { 1686 if ((ret = pfctl_get_limit(pfh, pf_limits[i].index, &limit)) != 0) 1687 errc(1, ret, "DIOCGETLIMIT"); 1688 printf("%-13s ", pf_limits[i].name); 1689 if (limit == UINT_MAX) 1690 printf("unlimited\n"); 1691 else 1692 printf("hard limit %8u\n", limit); 1693 } 1694 return (0); 1695 } 1696 1697 void 1698 pfctl_show_creators(int opts) 1699 { 1700 int ret; 1701 uint32_t creators[16]; 1702 size_t count = nitems(creators); 1703 1704 ret = pfctl_get_creatorids(pfh, creators, &count); 1705 if (ret != 0) 1706 errx(ret, "Failed to retrieve creators"); 1707 1708 printf("Creator IDs:\n"); 1709 for (size_t i = 0; i < count; i++) 1710 printf("%08x\n", creators[i]); 1711 } 1712 1713 /* callbacks for rule/nat/rdr/addr */ 1714 int 1715 pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af, int which) 1716 { 1717 struct pf_pooladdr *pa; 1718 int ret; 1719 1720 pf->paddr.af = af; 1721 TAILQ_FOREACH(pa, &p->list, entries) { 1722 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr)); 1723 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1724 if ((ret = pfctl_add_addr(pf->h, &pf->paddr, which)) != 0) 1725 errc(1, ret, "DIOCADDADDR"); 1726 } 1727 } 1728 return (0); 1729 } 1730 1731 int 1732 pfctl_append_rule(struct pfctl *pf, struct pfctl_rule *r, 1733 const char *anchor_call) 1734 { 1735 u_int8_t rs_num; 1736 struct pfctl_rule *rule; 1737 struct pfctl_ruleset *rs; 1738 char *p; 1739 1740 rs_num = pf_get_ruleset_number(r->action); 1741 if (rs_num == PF_RULESET_MAX) 1742 errx(1, "Invalid rule type %d", r->action); 1743 1744 rs = &pf->anchor->ruleset; 1745 1746 if (anchor_call[0] && r->anchor == NULL) { 1747 /* 1748 * Don't make non-brace anchors part of the main anchor pool. 1749 */ 1750 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1751 err(1, "pfctl_append_rule: calloc"); 1752 1753 pf_init_ruleset(&r->anchor->ruleset); 1754 r->anchor->ruleset.anchor = r->anchor; 1755 if (strlcpy(r->anchor->path, anchor_call, 1756 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1757 errx(1, "pfctl_append_rule: strlcpy"); 1758 if ((p = strrchr(anchor_call, '/')) != NULL) { 1759 if (!strlen(p)) 1760 err(1, "pfctl_append_rule: bad anchor name %s", 1761 anchor_call); 1762 } else 1763 p = (char *)anchor_call; 1764 if (strlcpy(r->anchor->name, p, 1765 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1766 errx(1, "pfctl_append_rule: strlcpy"); 1767 } 1768 1769 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1770 err(1, "calloc"); 1771 bcopy(r, rule, sizeof(*rule)); 1772 TAILQ_INIT(&rule->rdr.list); 1773 pfctl_move_pool(&r->rdr, &rule->rdr); 1774 TAILQ_INIT(&rule->nat.list); 1775 pfctl_move_pool(&r->nat, &rule->nat); 1776 TAILQ_INIT(&rule->route.list); 1777 pfctl_move_pool(&r->route, &rule->route); 1778 1779 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries); 1780 return (0); 1781 } 1782 1783 int 1784 pfctl_append_eth_rule(struct pfctl *pf, struct pfctl_eth_rule *r, 1785 const char *anchor_call) 1786 { 1787 struct pfctl_eth_rule *rule; 1788 struct pfctl_eth_ruleset *rs; 1789 char *p; 1790 1791 rs = &pf->eanchor->ruleset; 1792 1793 if (anchor_call[0] && r->anchor == NULL) { 1794 /* 1795 * Don't make non-brace anchors part of the main anchor pool. 1796 */ 1797 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1798 err(1, "pfctl_append_rule: calloc"); 1799 1800 pf_init_eth_ruleset(&r->anchor->ruleset); 1801 r->anchor->ruleset.anchor = r->anchor; 1802 if (strlcpy(r->anchor->path, anchor_call, 1803 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1804 errx(1, "pfctl_append_rule: strlcpy"); 1805 if ((p = strrchr(anchor_call, '/')) != NULL) { 1806 if (!strlen(p)) 1807 err(1, "pfctl_append_eth_rule: bad anchor name %s", 1808 anchor_call); 1809 } else 1810 p = (char *)anchor_call; 1811 if (strlcpy(r->anchor->name, p, 1812 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1813 errx(1, "pfctl_append_eth_rule: strlcpy"); 1814 } 1815 1816 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1817 err(1, "calloc"); 1818 bcopy(r, rule, sizeof(*rule)); 1819 1820 TAILQ_INSERT_TAIL(&rs->rules, rule, entries); 1821 return (0); 1822 } 1823 1824 int 1825 pfctl_eth_ruleset_trans(struct pfctl *pf, char *path, 1826 struct pfctl_eth_anchor *a) 1827 { 1828 int osize = pf->trans->pfrb_size; 1829 1830 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0) { 1831 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1832 return (1); 1833 } 1834 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1835 return (5); 1836 1837 return (0); 1838 } 1839 1840 int 1841 pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pfctl_anchor *a, bool do_eth) 1842 { 1843 int osize = pf->trans->pfrb_size; 1844 1845 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0 && do_eth) { 1846 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1847 return (1); 1848 } 1849 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) { 1850 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) || 1851 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) || 1852 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path)) 1853 return (1); 1854 } 1855 if (a == pf->astack[0] && ((altqsupport && 1856 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) { 1857 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path)) 1858 return (2); 1859 } 1860 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) { 1861 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) || 1862 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path)) 1863 return (3); 1864 } 1865 if (pf->loadopt & PFCTL_FLAG_TABLE) 1866 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path)) 1867 return (4); 1868 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1869 return (5); 1870 1871 return (0); 1872 } 1873 1874 int 1875 pfctl_load_eth_ruleset(struct pfctl *pf, char *path, 1876 struct pfctl_eth_ruleset *rs, int depth) 1877 { 1878 struct pfctl_eth_rule *r; 1879 int error, len = strlen(path); 1880 int brace = 0; 1881 1882 pf->eanchor = rs->anchor; 1883 if (path[0]) 1884 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->eanchor->name); 1885 else 1886 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->eanchor->name); 1887 1888 if (depth) { 1889 if (TAILQ_FIRST(&rs->rules) != NULL) { 1890 brace++; 1891 if (pf->opts & PF_OPT_VERBOSE) 1892 printf(" {\n"); 1893 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1894 (error = pfctl_eth_ruleset_trans(pf, 1895 path, rs->anchor))) { 1896 printf("pfctl_load_eth_rulesets: " 1897 "pfctl_eth_ruleset_trans %d\n", error); 1898 goto error; 1899 } 1900 } else if (pf->opts & PF_OPT_VERBOSE) 1901 printf("\n"); 1902 } 1903 1904 while ((r = TAILQ_FIRST(&rs->rules)) != NULL) { 1905 TAILQ_REMOVE(&rs->rules, r, entries); 1906 1907 error = pfctl_load_eth_rule(pf, path, r, depth); 1908 if (error) 1909 return (error); 1910 1911 if (r->anchor) { 1912 if ((error = pfctl_load_eth_ruleset(pf, path, 1913 &r->anchor->ruleset, depth + 1))) 1914 return (error); 1915 } else if (pf->opts & PF_OPT_VERBOSE) 1916 printf("\n"); 1917 free(r); 1918 } 1919 if (brace && pf->opts & PF_OPT_VERBOSE) { 1920 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 1921 printf("}\n"); 1922 } 1923 path[len] = '\0'; 1924 1925 return (0); 1926 error: 1927 path[len] = '\0'; 1928 return (error); 1929 } 1930 1931 int 1932 pfctl_load_eth_rule(struct pfctl *pf, char *path, struct pfctl_eth_rule *r, 1933 int depth) 1934 { 1935 char *name; 1936 char anchor[PF_ANCHOR_NAME_SIZE]; 1937 int len = strlen(path); 1938 int ret; 1939 1940 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 1941 errx(1, "pfctl_load_eth_rule: strlcpy"); 1942 1943 if (r->anchor) { 1944 if (r->anchor->match) { 1945 if (path[0]) 1946 snprintf(&path[len], MAXPATHLEN - len, 1947 "/%s", r->anchor->name); 1948 else 1949 snprintf(&path[len], MAXPATHLEN - len, 1950 "%s", r->anchor->name); 1951 name = r->anchor->name; 1952 } else 1953 name = r->anchor->path; 1954 } else 1955 name = ""; 1956 1957 if ((pf->opts & PF_OPT_NOACTION) == 0) 1958 if ((ret = pfctl_add_eth_rule(pf->dev, r, anchor, name, 1959 pf->eth_ticket)) != 0) 1960 errc(1, ret, "DIOCADDETHRULENV"); 1961 1962 if (pf->opts & PF_OPT_VERBOSE) { 1963 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 1964 print_eth_rule(r, r->anchor ? r->anchor->name : "", 1965 pf->opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1966 } 1967 1968 path[len] = '\0'; 1969 1970 return (0); 1971 } 1972 1973 int 1974 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs, 1975 int rs_num, int depth) 1976 { 1977 struct pfctl_rule *r; 1978 int error, len = strlen(path); 1979 int brace = 0; 1980 1981 pf->anchor = rs->anchor; 1982 1983 if (path[0]) 1984 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name); 1985 else 1986 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name); 1987 1988 if (depth) { 1989 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) { 1990 brace++; 1991 if (pf->opts & PF_OPT_VERBOSE) 1992 printf(" {\n"); 1993 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1994 (error = pfctl_ruleset_trans(pf, 1995 path, rs->anchor, false))) { 1996 printf("pfctl_load_rulesets: " 1997 "pfctl_ruleset_trans %d\n", error); 1998 goto error; 1999 } 2000 } else if (pf->opts & PF_OPT_VERBOSE) 2001 printf("\n"); 2002 2003 } 2004 2005 if (pf->optimize && rs_num == PF_RULESET_FILTER) 2006 pfctl_optimize_ruleset(pf, rs); 2007 2008 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) { 2009 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries); 2010 2011 for (int i = 0; i < PF_RULE_MAX_LABEL_COUNT; i++) 2012 expand_label(r->label[i], PF_RULE_LABEL_SIZE, r); 2013 expand_label(r->tagname, PF_TAG_NAME_SIZE, r); 2014 expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r); 2015 2016 if ((error = pfctl_load_rule(pf, path, r, depth))) 2017 goto error; 2018 if (r->anchor) { 2019 if ((error = pfctl_load_ruleset(pf, path, 2020 &r->anchor->ruleset, rs_num, depth + 1))) 2021 goto error; 2022 } else if (pf->opts & PF_OPT_VERBOSE) 2023 printf("\n"); 2024 free(r); 2025 } 2026 if (brace && pf->opts & PF_OPT_VERBOSE) { 2027 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 2028 printf("}\n"); 2029 } 2030 path[len] = '\0'; 2031 return (0); 2032 2033 error: 2034 path[len] = '\0'; 2035 return (error); 2036 2037 } 2038 2039 int 2040 pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth) 2041 { 2042 u_int8_t rs_num = pf_get_ruleset_number(r->action); 2043 char *name; 2044 u_int32_t ticket; 2045 char anchor[PF_ANCHOR_NAME_SIZE]; 2046 int len = strlen(path); 2047 int error; 2048 bool was_present; 2049 2050 /* set up anchor before adding to path for anchor_call */ 2051 if ((pf->opts & PF_OPT_NOACTION) == 0) 2052 ticket = pfctl_get_ticket(pf->trans, rs_num, path); 2053 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 2054 errx(1, "pfctl_load_rule: strlcpy"); 2055 2056 if (r->anchor) { 2057 if (r->anchor->match) { 2058 if (path[0]) 2059 snprintf(&path[len], MAXPATHLEN - len, 2060 "/%s", r->anchor->name); 2061 else 2062 snprintf(&path[len], MAXPATHLEN - len, 2063 "%s", r->anchor->name); 2064 name = r->anchor->name; 2065 } else 2066 name = r->anchor->path; 2067 } else 2068 name = ""; 2069 2070 was_present = false; 2071 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2072 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2073 if ((error = pfctl_begin_addrs(pf->h, 2074 &pf->paddr.ticket)) != 0) 2075 errc(1, error, "DIOCBEGINADDRS"); 2076 } 2077 2078 if (pfctl_add_pool(pf, &r->rdr, r->af, PF_RDR)) 2079 return (1); 2080 if (pfctl_add_pool(pf, &r->nat, r->naf ? r->naf : r->af, PF_NAT)) 2081 return (1); 2082 if (pfctl_add_pool(pf, &r->route, r->af, PF_RT)) 2083 return (1); 2084 error = pfctl_add_rule_h(pf->h, r, anchor, name, ticket, 2085 pf->paddr.ticket); 2086 switch (error) { 2087 case 0: 2088 /* things worked, do nothing */ 2089 break; 2090 case EEXIST: 2091 /* an identical rule is already present */ 2092 was_present = true; 2093 break; 2094 default: 2095 errc(1, error, "DIOCADDRULE"); 2096 } 2097 } 2098 2099 if (pf->opts & PF_OPT_VERBOSE) { 2100 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 2101 print_rule(r, name, 2102 pf->opts & PF_OPT_VERBOSE2, 2103 pf->opts & PF_OPT_NUMERIC); 2104 if (was_present) 2105 printf(" -- rule was already present"); 2106 } 2107 path[len] = '\0'; 2108 pfctl_clear_pool(&r->rdr); 2109 pfctl_clear_pool(&r->nat); 2110 return (0); 2111 } 2112 2113 int 2114 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a) 2115 { 2116 if (altqsupport && 2117 (loadopt & PFCTL_FLAG_ALTQ) != 0) { 2118 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq)); 2119 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2120 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) { 2121 if (errno == ENXIO) 2122 errx(1, "qtype not configured"); 2123 else if (errno == ENODEV) 2124 errx(1, "%s: driver does not support " 2125 "altq", a->ifname); 2126 else 2127 err(1, "DIOCADDALTQ"); 2128 } 2129 } 2130 pfaltq_store(&pf->paltq->altq); 2131 } 2132 return (0); 2133 } 2134 2135 int 2136 pfctl_rules(int dev, char *filename, int opts, int optimize, 2137 char *anchorname, struct pfr_buffer *trans) 2138 { 2139 #define ERR(x) do { warn(x); goto _error; } while(0) 2140 #define ERRX(x) do { warnx(x); goto _error; } while(0) 2141 2142 struct pfr_buffer *t, buf; 2143 struct pfioc_altq pa; 2144 struct pfctl pf; 2145 struct pfctl_ruleset *rs; 2146 struct pfctl_eth_ruleset *ethrs; 2147 struct pfr_table trs; 2148 char *path; 2149 int osize; 2150 2151 RB_INIT(&pf_anchors); 2152 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor)); 2153 pf_init_ruleset(&pf_main_anchor.ruleset); 2154 pf_main_anchor.ruleset.anchor = &pf_main_anchor; 2155 2156 memset(&pf_eth_main_anchor, 0, sizeof(pf_eth_main_anchor)); 2157 pf_init_eth_ruleset(&pf_eth_main_anchor.ruleset); 2158 pf_eth_main_anchor.ruleset.anchor = &pf_eth_main_anchor; 2159 2160 if (trans == NULL) { 2161 bzero(&buf, sizeof(buf)); 2162 buf.pfrb_type = PFRB_TRANS; 2163 t = &buf; 2164 osize = 0; 2165 } else { 2166 t = trans; 2167 osize = t->pfrb_size; 2168 } 2169 2170 memset(&pa, 0, sizeof(pa)); 2171 pa.version = PFIOC_ALTQ_VERSION; 2172 memset(&pf, 0, sizeof(pf)); 2173 memset(&trs, 0, sizeof(trs)); 2174 if ((path = calloc(1, MAXPATHLEN)) == NULL) 2175 ERRX("pfctl_rules: calloc"); 2176 if (strlcpy(trs.pfrt_anchor, anchorname, 2177 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor)) 2178 ERRX("pfctl_rules: strlcpy"); 2179 pf.dev = dev; 2180 pf.h = pfh; 2181 pf.opts = opts; 2182 pf.optimize = optimize; 2183 pf.loadopt = loadopt; 2184 2185 /* non-brace anchor, create without resolving the path */ 2186 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL) 2187 ERRX("pfctl_rules: calloc"); 2188 rs = &pf.anchor->ruleset; 2189 pf_init_ruleset(rs); 2190 rs->anchor = pf.anchor; 2191 if (strlcpy(pf.anchor->path, anchorname, 2192 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path)) 2193 errx(1, "pfctl_rules: strlcpy"); 2194 if (strlcpy(pf.anchor->name, anchorname, 2195 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name)) 2196 errx(1, "pfctl_rules: strlcpy"); 2197 2198 2199 pf.astack[0] = pf.anchor; 2200 pf.asd = 0; 2201 if (anchorname[0]) 2202 pf.loadopt &= ~PFCTL_FLAG_ALTQ; 2203 pf.paltq = &pa; 2204 pf.trans = t; 2205 pfctl_init_options(&pf); 2206 2207 /* Set up ethernet anchor */ 2208 if ((pf.eanchor = calloc(1, sizeof(*pf.eanchor))) == NULL) 2209 ERRX("pfctl_rules: calloc"); 2210 2211 if (strlcpy(pf.eanchor->path, anchorname, 2212 sizeof(pf.eanchor->path)) >= sizeof(pf.eanchor->path)) 2213 errx(1, "pfctl_rules: strlcpy"); 2214 if (strlcpy(pf.eanchor->name, anchorname, 2215 sizeof(pf.eanchor->name)) >= sizeof(pf.eanchor->name)) 2216 errx(1, "pfctl_rules: strlcpy"); 2217 2218 ethrs = &pf.eanchor->ruleset; 2219 pf_init_eth_ruleset(ethrs); 2220 ethrs->anchor = pf.eanchor; 2221 pf.eastack[0] = pf.eanchor; 2222 2223 if ((opts & PF_OPT_NOACTION) == 0) { 2224 /* 2225 * XXX For the time being we need to open transactions for 2226 * the main ruleset before parsing, because tables are still 2227 * loaded at parse time. 2228 */ 2229 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor, true)) 2230 ERRX("pfctl_rules"); 2231 if (pf.loadopt & PFCTL_FLAG_ETH) 2232 pf.eth_ticket = pfctl_get_ticket(t, PF_RULESET_ETH, anchorname); 2233 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ)) 2234 pa.ticket = 2235 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname); 2236 if (pf.loadopt & PFCTL_FLAG_TABLE) 2237 pf.astack[0]->ruleset.tticket = 2238 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname); 2239 } 2240 2241 if (parse_config(filename, &pf) < 0) { 2242 if ((opts & PF_OPT_NOACTION) == 0) 2243 ERRX("Syntax error in config file: " 2244 "pf rules not loaded"); 2245 else 2246 goto _error; 2247 } 2248 if (loadopt & PFCTL_FLAG_OPTION) 2249 pfctl_adjust_skip_ifaces(&pf); 2250 2251 if ((pf.loadopt & PFCTL_FLAG_FILTER && 2252 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) || 2253 (pf.loadopt & PFCTL_FLAG_ETH && 2254 (pfctl_load_eth_ruleset(&pf, path, ethrs, 0))) || 2255 (pf.loadopt & PFCTL_FLAG_NAT && 2256 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) || 2257 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) || 2258 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) || 2259 (pf.loadopt & PFCTL_FLAG_FILTER && 2260 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) { 2261 if ((opts & PF_OPT_NOACTION) == 0) 2262 ERRX("Unable to load rules into kernel"); 2263 else 2264 goto _error; 2265 } 2266 2267 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0)) 2268 if (check_commit_altq(dev, opts) != 0) 2269 ERRX("errors in altq config"); 2270 2271 /* process "load anchor" directives */ 2272 if (!anchorname[0]) 2273 if (pfctl_load_anchors(dev, &pf, t) == -1) 2274 ERRX("load anchors"); 2275 2276 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) { 2277 if (!anchorname[0]) 2278 if (pfctl_load_options(&pf)) 2279 goto _error; 2280 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize)) 2281 ERR("DIOCXCOMMIT"); 2282 } 2283 free(path); 2284 return (0); 2285 2286 _error: 2287 if (trans == NULL) { /* main ruleset */ 2288 if ((opts & PF_OPT_NOACTION) == 0) 2289 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize)) 2290 err(1, "DIOCXROLLBACK"); 2291 exit(1); 2292 } else { /* sub ruleset */ 2293 free(path); 2294 return (-1); 2295 } 2296 2297 #undef ERR 2298 #undef ERRX 2299 } 2300 2301 FILE * 2302 pfctl_fopen(const char *name, const char *mode) 2303 { 2304 struct stat st; 2305 FILE *fp; 2306 2307 fp = fopen(name, mode); 2308 if (fp == NULL) 2309 return (NULL); 2310 if (fstat(fileno(fp), &st)) { 2311 fclose(fp); 2312 return (NULL); 2313 } 2314 if (S_ISDIR(st.st_mode)) { 2315 fclose(fp); 2316 errno = EISDIR; 2317 return (NULL); 2318 } 2319 return (fp); 2320 } 2321 2322 void 2323 pfctl_init_options(struct pfctl *pf) 2324 { 2325 2326 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2327 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; 2328 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2329 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2330 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; 2331 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2332 pf->timeout[PFTM_SCTP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2333 pf->timeout[PFTM_SCTP_OPENING] = PFTM_TCP_OPENING_VAL; 2334 pf->timeout[PFTM_SCTP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2335 pf->timeout[PFTM_SCTP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2336 pf->timeout[PFTM_SCTP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2337 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; 2338 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; 2339 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; 2340 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; 2341 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; 2342 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; 2343 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; 2344 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; 2345 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL; 2346 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; 2347 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; 2348 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; 2349 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; 2350 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; 2351 2352 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT; 2353 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT; 2354 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT; 2355 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT; 2356 2357 pf->debug = PF_DEBUG_URGENT; 2358 pf->reassemble = 0; 2359 2360 pf->syncookies = false; 2361 pf->syncookieswat[0] = PF_SYNCOOKIES_LOWATPCT; 2362 pf->syncookieswat[1] = PF_SYNCOOKIES_HIWATPCT; 2363 } 2364 2365 int 2366 pfctl_load_options(struct pfctl *pf) 2367 { 2368 int i, error = 0; 2369 2370 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2371 return (0); 2372 2373 /* load limits */ 2374 for (i = 0; i < PF_LIMIT_MAX; i++) { 2375 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i]) 2376 continue; 2377 if (pfctl_load_limit(pf, i, pf->limit[i])) 2378 error = 1; 2379 } 2380 2381 /* 2382 * If we've set the limit, but haven't explicitly set adaptive 2383 * timeouts, do it now with a start of 60% and end of 120%. 2384 */ 2385 if (pf->limit_set[PF_LIMIT_STATES] && 2386 !pf->timeout_set[PFTM_ADAPTIVE_START] && 2387 !pf->timeout_set[PFTM_ADAPTIVE_END]) { 2388 pf->timeout[PFTM_ADAPTIVE_START] = 2389 (pf->limit[PF_LIMIT_STATES] / 10) * 6; 2390 pf->timeout_set[PFTM_ADAPTIVE_START] = 1; 2391 pf->timeout[PFTM_ADAPTIVE_END] = 2392 (pf->limit[PF_LIMIT_STATES] / 10) * 12; 2393 pf->timeout_set[PFTM_ADAPTIVE_END] = 1; 2394 } 2395 2396 /* load timeouts */ 2397 for (i = 0; i < PFTM_MAX; i++) { 2398 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i]) 2399 continue; 2400 if (pfctl_load_timeout(pf, i, pf->timeout[i])) 2401 error = 1; 2402 } 2403 2404 /* load debug */ 2405 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set) 2406 if (pfctl_load_debug(pf, pf->debug)) 2407 error = 1; 2408 2409 /* load logif */ 2410 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set) 2411 if (pfctl_load_logif(pf, pf->ifname)) 2412 error = 1; 2413 2414 /* load hostid */ 2415 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set) 2416 if (pfctl_load_hostid(pf, pf->hostid)) 2417 error = 1; 2418 2419 /* load reassembly settings */ 2420 if (!(pf->opts & PF_OPT_MERGE) || pf->reass_set) 2421 if (pfctl_load_reassembly(pf, pf->reassemble)) 2422 error = 1; 2423 2424 /* load keepcounters */ 2425 if (pfctl_set_keepcounters(pf->dev, pf->keep_counters)) 2426 error = 1; 2427 2428 /* load syncookies settings */ 2429 if (pfctl_load_syncookies(pf, pf->syncookies)) 2430 error = 1; 2431 2432 return (error); 2433 } 2434 2435 int 2436 pfctl_apply_limit(struct pfctl *pf, const char *opt, unsigned int limit) 2437 { 2438 int i; 2439 2440 2441 for (i = 0; pf_limits[i].name; i++) { 2442 if (strcasecmp(opt, pf_limits[i].name) == 0) { 2443 pf->limit[pf_limits[i].index] = limit; 2444 pf->limit_set[pf_limits[i].index] = 1; 2445 break; 2446 } 2447 } 2448 if (pf_limits[i].name == NULL) { 2449 warnx("Bad pool name."); 2450 return (1); 2451 } 2452 2453 if (pf->opts & PF_OPT_VERBOSE) 2454 printf("set limit %s %d\n", opt, limit); 2455 2456 return (0); 2457 } 2458 2459 int 2460 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit) 2461 { 2462 if (pfctl_set_limit(pf->h, index, limit)) { 2463 if (errno == EBUSY) 2464 warnx("Current pool size exceeds requested hard limit"); 2465 else 2466 warnx("DIOCSETLIMIT"); 2467 return (1); 2468 } 2469 return (0); 2470 } 2471 2472 int 2473 pfctl_apply_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet) 2474 { 2475 int i; 2476 2477 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2478 return (0); 2479 2480 for (i = 0; pf_timeouts[i].name; i++) { 2481 if (strcasecmp(opt, pf_timeouts[i].name) == 0) { 2482 pf->timeout[pf_timeouts[i].timeout] = seconds; 2483 pf->timeout_set[pf_timeouts[i].timeout] = 1; 2484 break; 2485 } 2486 } 2487 2488 if (pf_timeouts[i].name == NULL) { 2489 warnx("Bad timeout name."); 2490 return (1); 2491 } 2492 2493 2494 if (pf->opts & PF_OPT_VERBOSE && ! quiet) 2495 printf("set timeout %s %d\n", opt, seconds); 2496 2497 return (0); 2498 } 2499 2500 int 2501 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds) 2502 { 2503 if (pfctl_set_timeout(pf->h, timeout, seconds)) { 2504 warnx("DIOCSETTIMEOUT"); 2505 return (1); 2506 } 2507 return (0); 2508 } 2509 2510 int 2511 pfctl_set_reassembly(struct pfctl *pf, int on, int nodf) 2512 { 2513 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2514 return (0); 2515 2516 pf->reass_set = 1; 2517 if (on) { 2518 pf->reassemble = PF_REASS_ENABLED; 2519 if (nodf) 2520 pf->reassemble |= PF_REASS_NODF; 2521 } else { 2522 pf->reassemble = 0; 2523 } 2524 2525 if (pf->opts & PF_OPT_VERBOSE) 2526 printf("set reassemble %s %s\n", on ? "yes" : "no", 2527 nodf ? "no-df" : ""); 2528 2529 return (0); 2530 } 2531 2532 int 2533 pfctl_set_optimization(struct pfctl *pf, const char *opt) 2534 { 2535 const struct pf_hint *hint; 2536 int i, r; 2537 2538 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2539 return (0); 2540 2541 for (i = 0; pf_hints[i].name; i++) 2542 if (strcasecmp(opt, pf_hints[i].name) == 0) 2543 break; 2544 2545 hint = pf_hints[i].hint; 2546 if (hint == NULL) { 2547 warnx("invalid state timeouts optimization"); 2548 return (1); 2549 } 2550 2551 for (i = 0; hint[i].name; i++) 2552 if ((r = pfctl_apply_timeout(pf, hint[i].name, 2553 hint[i].timeout, 1))) 2554 return (r); 2555 2556 if (pf->opts & PF_OPT_VERBOSE) 2557 printf("set optimization %s\n", opt); 2558 2559 return (0); 2560 } 2561 2562 int 2563 pfctl_set_logif(struct pfctl *pf, char *ifname) 2564 { 2565 2566 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2567 return (0); 2568 2569 if (!strcmp(ifname, "none")) { 2570 free(pf->ifname); 2571 pf->ifname = NULL; 2572 } else { 2573 pf->ifname = strdup(ifname); 2574 if (!pf->ifname) 2575 errx(1, "pfctl_set_logif: strdup"); 2576 } 2577 pf->ifname_set = 1; 2578 2579 if (pf->opts & PF_OPT_VERBOSE) 2580 printf("set loginterface %s\n", ifname); 2581 2582 return (0); 2583 } 2584 2585 int 2586 pfctl_load_logif(struct pfctl *pf, char *ifname) 2587 { 2588 if (ifname != NULL && strlen(ifname) >= IFNAMSIZ) { 2589 warnx("pfctl_load_logif: strlcpy"); 2590 return (1); 2591 } 2592 return (pfctl_set_statusif(pfh, ifname ? ifname : "")); 2593 } 2594 2595 void 2596 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid) 2597 { 2598 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2599 return; 2600 2601 HTONL(hostid); 2602 2603 pf->hostid = hostid; 2604 pf->hostid_set = 1; 2605 2606 if (pf->opts & PF_OPT_VERBOSE) 2607 printf("set hostid 0x%08x\n", ntohl(hostid)); 2608 } 2609 2610 int 2611 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid) 2612 { 2613 if (ioctl(dev, DIOCSETHOSTID, &hostid)) { 2614 warnx("DIOCSETHOSTID"); 2615 return (1); 2616 } 2617 return (0); 2618 } 2619 2620 int 2621 pfctl_load_reassembly(struct pfctl *pf, u_int32_t reassembly) 2622 { 2623 if (ioctl(dev, DIOCSETREASS, &reassembly)) { 2624 warnx("DIOCSETREASS"); 2625 return (1); 2626 } 2627 return (0); 2628 } 2629 2630 int 2631 pfctl_load_syncookies(struct pfctl *pf, u_int8_t val) 2632 { 2633 struct pfctl_syncookies cookies; 2634 2635 bzero(&cookies, sizeof(cookies)); 2636 2637 cookies.mode = val; 2638 cookies.lowwater = pf->syncookieswat[0]; 2639 cookies.highwater = pf->syncookieswat[1]; 2640 2641 if (pfctl_set_syncookies(dev, &cookies)) { 2642 warnx("DIOCSETSYNCOOKIES"); 2643 return (1); 2644 } 2645 return (0); 2646 } 2647 2648 int 2649 pfctl_cfg_syncookies(struct pfctl *pf, uint8_t val, struct pfctl_watermarks *w) 2650 { 2651 if (val != PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2652 warnx("syncookies start/end only apply to adaptive"); 2653 return (1); 2654 } 2655 if (val == PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2656 if (!w->hi) 2657 w->hi = PF_SYNCOOKIES_HIWATPCT; 2658 if (!w->lo) 2659 w->lo = w->hi / 2; 2660 if (w->lo >= w->hi) { 2661 warnx("start must be higher than end"); 2662 return (1); 2663 } 2664 pf->syncookieswat[0] = w->lo; 2665 pf->syncookieswat[1] = w->hi; 2666 pf->syncookieswat_set = 1; 2667 } 2668 2669 if (pf->opts & PF_OPT_VERBOSE) { 2670 if (val == PF_SYNCOOKIES_NEVER) 2671 printf("set syncookies never\n"); 2672 else if (val == PF_SYNCOOKIES_ALWAYS) 2673 printf("set syncookies always\n"); 2674 else if (val == PF_SYNCOOKIES_ADAPTIVE) { 2675 if (pf->syncookieswat_set) 2676 printf("set syncookies adaptive (start %u%%, " 2677 "end %u%%)\n", pf->syncookieswat[1], 2678 pf->syncookieswat[0]); 2679 else 2680 printf("set syncookies adaptive\n"); 2681 } else { /* cannot happen */ 2682 warnx("king bula ate all syncookies"); 2683 return (1); 2684 } 2685 } 2686 2687 pf->syncookies = val; 2688 return (0); 2689 } 2690 2691 int 2692 pfctl_do_set_debug(struct pfctl *pf, char *d) 2693 { 2694 u_int32_t level; 2695 int ret; 2696 2697 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2698 return (0); 2699 2700 if (!strcmp(d, "none")) 2701 pf->debug = PF_DEBUG_NONE; 2702 else if (!strcmp(d, "urgent")) 2703 pf->debug = PF_DEBUG_URGENT; 2704 else if (!strcmp(d, "misc")) 2705 pf->debug = PF_DEBUG_MISC; 2706 else if (!strcmp(d, "loud")) 2707 pf->debug = PF_DEBUG_NOISY; 2708 else { 2709 warnx("unknown debug level \"%s\"", d); 2710 return (-1); 2711 } 2712 2713 pf->debug_set = 1; 2714 level = pf->debug; 2715 2716 if ((pf->opts & PF_OPT_NOACTION) == 0) 2717 if ((ret = pfctl_set_debug(pfh, level)) != 0) 2718 errc(1, ret, "DIOCSETDEBUG"); 2719 2720 if (pf->opts & PF_OPT_VERBOSE) 2721 printf("set debug %s\n", d); 2722 2723 return (0); 2724 } 2725 2726 int 2727 pfctl_load_debug(struct pfctl *pf, unsigned int level) 2728 { 2729 if (pfctl_set_debug(pf->h, level)) { 2730 warnx("DIOCSETDEBUG"); 2731 return (1); 2732 } 2733 return (0); 2734 } 2735 2736 int 2737 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how) 2738 { 2739 struct pfioc_iface pi; 2740 struct node_host *h = NULL, *n = NULL; 2741 2742 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2743 return (0); 2744 2745 bzero(&pi, sizeof(pi)); 2746 2747 pi.pfiio_flags = flags; 2748 2749 /* Make sure our cache matches the kernel. If we set or clear the flag 2750 * for a group this applies to all members. */ 2751 h = ifa_grouplookup(ifname, 0); 2752 for (n = h; n != NULL; n = n->next) 2753 pfctl_set_interface_flags(pf, n->ifname, flags, how); 2754 2755 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >= 2756 sizeof(pi.pfiio_name)) 2757 errx(1, "pfctl_set_interface_flags: strlcpy"); 2758 2759 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2760 if (how == 0) { 2761 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi)) 2762 err(1, "DIOCCLRIFFLAG"); 2763 } else { 2764 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi)) 2765 err(1, "DIOCSETIFFLAG"); 2766 pfctl_check_skip_ifaces(ifname); 2767 } 2768 } 2769 return (0); 2770 } 2771 2772 void 2773 pfctl_debug(int dev, u_int32_t level, int opts) 2774 { 2775 int ret; 2776 2777 if ((ret = pfctl_set_debug(pfh, level)) != 0) 2778 errc(1, ret, "DIOCSETDEBUG"); 2779 if ((opts & PF_OPT_QUIET) == 0) { 2780 fprintf(stderr, "debug level set to '"); 2781 switch (level) { 2782 case PF_DEBUG_NONE: 2783 fprintf(stderr, "none"); 2784 break; 2785 case PF_DEBUG_URGENT: 2786 fprintf(stderr, "urgent"); 2787 break; 2788 case PF_DEBUG_MISC: 2789 fprintf(stderr, "misc"); 2790 break; 2791 case PF_DEBUG_NOISY: 2792 fprintf(stderr, "loud"); 2793 break; 2794 default: 2795 fprintf(stderr, "<invalid>"); 2796 break; 2797 } 2798 fprintf(stderr, "'\n"); 2799 } 2800 } 2801 2802 int 2803 pfctl_test_altqsupport(int dev, int opts) 2804 { 2805 struct pfioc_altq pa; 2806 2807 pa.version = PFIOC_ALTQ_VERSION; 2808 if (ioctl(dev, DIOCGETALTQS, &pa)) { 2809 if (errno == ENODEV) { 2810 if (opts & PF_OPT_VERBOSE) 2811 fprintf(stderr, "No ALTQ support in kernel\n" 2812 "ALTQ related functions disabled\n"); 2813 return (0); 2814 } else 2815 err(1, "DIOCGETALTQS"); 2816 } 2817 return (1); 2818 } 2819 2820 int 2821 pfctl_show_anchors(int dev, int opts, char *anchorname) 2822 { 2823 struct pfioc_ruleset pr; 2824 u_int32_t mnr, nr; 2825 int ret; 2826 2827 memset(&pr, 0, sizeof(pr)); 2828 if ((ret = pfctl_get_rulesets(pfh, anchorname, &mnr)) != 0) { 2829 if (ret == EINVAL) 2830 fprintf(stderr, "Anchor '%s' not found.\n", 2831 anchorname); 2832 else 2833 errc(1, ret, "DIOCGETRULESETS"); 2834 return (-1); 2835 } 2836 for (nr = 0; nr < mnr; ++nr) { 2837 char sub[MAXPATHLEN]; 2838 2839 if ((ret = pfctl_get_ruleset(pfh, anchorname, nr, &pr)) != 0) 2840 errc(1, ret, "DIOCGETRULESET"); 2841 if (!strcmp(pr.name, PF_RESERVED_ANCHOR)) 2842 continue; 2843 sub[0] = 0; 2844 if (pr.path[0]) { 2845 strlcat(sub, pr.path, sizeof(sub)); 2846 strlcat(sub, "/", sizeof(sub)); 2847 } 2848 strlcat(sub, pr.name, sizeof(sub)); 2849 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2850 printf(" %s\n", sub); 2851 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub)) 2852 return (-1); 2853 } 2854 return (0); 2855 } 2856 2857 int 2858 pfctl_show_eth_anchors(int dev, int opts, char *anchorname) 2859 { 2860 struct pfctl_eth_rulesets_info ri; 2861 struct pfctl_eth_ruleset_info rs; 2862 int ret; 2863 2864 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, anchorname)) != 0) { 2865 if (ret == ENOENT) 2866 fprintf(stderr, "Anchor '%s' not found.\n", 2867 anchorname); 2868 else 2869 errc(1, ret, "DIOCGETETHRULESETS"); 2870 return (-1); 2871 } 2872 2873 for (int nr = 0; nr < ri.nr; nr++) { 2874 char sub[MAXPATHLEN]; 2875 2876 if ((ret = pfctl_get_eth_ruleset(dev, anchorname, nr, &rs)) != 0) 2877 errc(1, ret, "DIOCGETETHRULESET"); 2878 2879 if (!strcmp(rs.name, PF_RESERVED_ANCHOR)) 2880 continue; 2881 sub[0] = 0; 2882 if (rs.path[0]) { 2883 strlcat(sub, rs.path, sizeof(sub)); 2884 strlcat(sub, "/", sizeof(sub)); 2885 } 2886 strlcat(sub, rs.name, sizeof(sub)); 2887 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2888 printf(" %s\n", sub); 2889 if ((opts & PF_OPT_VERBOSE) && pfctl_show_eth_anchors(dev, opts, sub)) 2890 return (-1); 2891 } 2892 return (0); 2893 } 2894 2895 const char * 2896 pfctl_lookup_option(char *cmd, const char * const *list) 2897 { 2898 if (cmd != NULL && *cmd) 2899 for (; *list; list++) 2900 if (!strncmp(cmd, *list, strlen(cmd))) 2901 return (*list); 2902 return (NULL); 2903 } 2904 2905 int 2906 main(int argc, char *argv[]) 2907 { 2908 int error = 0; 2909 int ch; 2910 int mode = O_RDONLY; 2911 int opts = 0; 2912 int optimize = PF_OPTIMIZE_BASIC; 2913 char anchorname[MAXPATHLEN]; 2914 char *path; 2915 2916 if (argc < 2) 2917 usage(); 2918 2919 while ((ch = getopt(argc, argv, 2920 "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) { 2921 switch (ch) { 2922 case 'a': 2923 anchoropt = optarg; 2924 break; 2925 case 'd': 2926 opts |= PF_OPT_DISABLE; 2927 mode = O_RDWR; 2928 break; 2929 case 'D': 2930 if (pfctl_cmdline_symset(optarg) < 0) 2931 warnx("could not parse macro definition %s", 2932 optarg); 2933 break; 2934 case 'e': 2935 opts |= PF_OPT_ENABLE; 2936 mode = O_RDWR; 2937 break; 2938 case 'q': 2939 opts |= PF_OPT_QUIET; 2940 break; 2941 case 'F': 2942 clearopt = pfctl_lookup_option(optarg, clearopt_list); 2943 if (clearopt == NULL) { 2944 warnx("Unknown flush modifier '%s'", optarg); 2945 usage(); 2946 } 2947 mode = O_RDWR; 2948 break; 2949 case 'i': 2950 ifaceopt = optarg; 2951 break; 2952 case 'k': 2953 if (state_killers >= 2) { 2954 warnx("can only specify -k twice"); 2955 usage(); 2956 /* NOTREACHED */ 2957 } 2958 state_kill[state_killers++] = optarg; 2959 mode = O_RDWR; 2960 break; 2961 case 'K': 2962 if (src_node_killers >= 2) { 2963 warnx("can only specify -K twice"); 2964 usage(); 2965 /* NOTREACHED */ 2966 } 2967 src_node_kill[src_node_killers++] = optarg; 2968 mode = O_RDWR; 2969 break; 2970 case 'm': 2971 opts |= PF_OPT_MERGE; 2972 break; 2973 case 'M': 2974 opts |= PF_OPT_KILLMATCH; 2975 break; 2976 case 'n': 2977 opts |= PF_OPT_NOACTION; 2978 break; 2979 case 'N': 2980 loadopt |= PFCTL_FLAG_NAT; 2981 break; 2982 case 'r': 2983 opts |= PF_OPT_USEDNS; 2984 break; 2985 case 'f': 2986 rulesopt = optarg; 2987 mode = O_RDWR; 2988 break; 2989 case 'g': 2990 opts |= PF_OPT_DEBUG; 2991 break; 2992 case 'A': 2993 loadopt |= PFCTL_FLAG_ALTQ; 2994 break; 2995 case 'R': 2996 loadopt |= PFCTL_FLAG_FILTER; 2997 break; 2998 case 'o': 2999 optiopt = pfctl_lookup_option(optarg, optiopt_list); 3000 if (optiopt == NULL) { 3001 warnx("Unknown optimization '%s'", optarg); 3002 usage(); 3003 } 3004 opts |= PF_OPT_OPTIMIZE; 3005 break; 3006 case 'O': 3007 loadopt |= PFCTL_FLAG_OPTION; 3008 break; 3009 case 'p': 3010 pf_device = optarg; 3011 break; 3012 case 'P': 3013 opts |= PF_OPT_NUMERIC; 3014 break; 3015 case 's': 3016 showopt = pfctl_lookup_option(optarg, showopt_list); 3017 if (showopt == NULL) { 3018 warnx("Unknown show modifier '%s'", optarg); 3019 usage(); 3020 } 3021 break; 3022 case 't': 3023 tableopt = optarg; 3024 break; 3025 case 'T': 3026 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list); 3027 if (tblcmdopt == NULL) { 3028 warnx("Unknown table command '%s'", optarg); 3029 usage(); 3030 } 3031 break; 3032 case 'v': 3033 if (opts & PF_OPT_VERBOSE) 3034 opts |= PF_OPT_VERBOSE2; 3035 opts |= PF_OPT_VERBOSE; 3036 break; 3037 case 'x': 3038 debugopt = pfctl_lookup_option(optarg, debugopt_list); 3039 if (debugopt == NULL) { 3040 warnx("Unknown debug level '%s'", optarg); 3041 usage(); 3042 } 3043 mode = O_RDWR; 3044 break; 3045 case 'z': 3046 opts |= PF_OPT_CLRRULECTRS; 3047 mode = O_RDWR; 3048 break; 3049 case 'h': 3050 /* FALLTHROUGH */ 3051 default: 3052 usage(); 3053 /* NOTREACHED */ 3054 } 3055 } 3056 3057 if (tblcmdopt != NULL) { 3058 argc -= optind; 3059 argv += optind; 3060 ch = *tblcmdopt; 3061 if (ch == 'l') { 3062 loadopt |= PFCTL_FLAG_TABLE; 3063 tblcmdopt = NULL; 3064 } else 3065 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY; 3066 } else if (argc != optind) { 3067 warnx("unknown command line argument: %s ...", argv[optind]); 3068 usage(); 3069 /* NOTREACHED */ 3070 } 3071 if (loadopt == 0) 3072 loadopt = ~0; 3073 3074 if ((path = calloc(1, MAXPATHLEN)) == NULL) 3075 errx(1, "pfctl: calloc"); 3076 memset(anchorname, 0, sizeof(anchorname)); 3077 if (anchoropt != NULL) { 3078 int len = strlen(anchoropt); 3079 3080 if (len >= 1 && anchoropt[len - 1] == '*') { 3081 if (len >= 2 && anchoropt[len - 2] == '/') 3082 anchoropt[len - 2] = '\0'; 3083 else 3084 anchoropt[len - 1] = '\0'; 3085 opts |= PF_OPT_RECURSE; 3086 } 3087 if (strlcpy(anchorname, anchoropt, 3088 sizeof(anchorname)) >= sizeof(anchorname)) 3089 errx(1, "anchor name '%s' too long", 3090 anchoropt); 3091 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE|PFCTL_FLAG_ETH; 3092 } 3093 3094 if ((opts & PF_OPT_NOACTION) == 0) { 3095 dev = open(pf_device, mode); 3096 if (dev == -1) 3097 err(1, "%s", pf_device); 3098 altqsupport = pfctl_test_altqsupport(dev, opts); 3099 } else { 3100 dev = open(pf_device, O_RDONLY); 3101 if (dev >= 0) 3102 opts |= PF_OPT_DUMMYACTION; 3103 /* turn off options */ 3104 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE); 3105 clearopt = showopt = debugopt = NULL; 3106 #if !defined(ENABLE_ALTQ) 3107 altqsupport = 0; 3108 #else 3109 altqsupport = 1; 3110 #endif 3111 } 3112 pfh = pfctl_open(pf_device); 3113 if (pfh == NULL) 3114 err(1, "Failed to open netlink"); 3115 3116 if (opts & PF_OPT_DISABLE) 3117 if (pfctl_disable(dev, opts)) 3118 error = 1; 3119 3120 if (showopt != NULL) { 3121 switch (*showopt) { 3122 case 'A': 3123 pfctl_show_anchors(dev, opts, anchorname); 3124 if (opts & PF_OPT_VERBOSE2) 3125 printf("Ethernet:\n"); 3126 pfctl_show_eth_anchors(dev, opts, anchorname); 3127 break; 3128 case 'r': 3129 pfctl_load_fingerprints(dev, opts); 3130 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES, 3131 anchorname, 0, 0); 3132 break; 3133 case 'l': 3134 pfctl_load_fingerprints(dev, opts); 3135 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS, 3136 anchorname, 0, 0); 3137 break; 3138 case 'n': 3139 pfctl_load_fingerprints(dev, opts); 3140 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3141 break; 3142 case 'q': 3143 pfctl_show_altq(dev, ifaceopt, opts, 3144 opts & PF_OPT_VERBOSE2); 3145 break; 3146 case 's': 3147 pfctl_show_states(dev, ifaceopt, opts); 3148 break; 3149 case 'S': 3150 pfctl_show_src_nodes(dev, opts); 3151 break; 3152 case 'i': 3153 pfctl_show_status(dev, opts); 3154 break; 3155 case 'R': 3156 error = pfctl_show_running(dev); 3157 break; 3158 case 't': 3159 pfctl_show_timeouts(dev, opts); 3160 break; 3161 case 'm': 3162 pfctl_show_limits(dev, opts); 3163 break; 3164 case 'e': 3165 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3166 0); 3167 break; 3168 case 'a': 3169 opts |= PF_OPT_SHOWALL; 3170 pfctl_load_fingerprints(dev, opts); 3171 3172 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3173 0); 3174 3175 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3176 pfctl_show_rules(dev, path, opts, 0, anchorname, 0, 0); 3177 pfctl_show_altq(dev, ifaceopt, opts, 0); 3178 pfctl_show_states(dev, ifaceopt, opts); 3179 pfctl_show_src_nodes(dev, opts); 3180 pfctl_show_status(dev, opts); 3181 pfctl_show_rules(dev, path, opts, 1, anchorname, 0, 0); 3182 pfctl_show_timeouts(dev, opts); 3183 pfctl_show_limits(dev, opts); 3184 pfctl_show_tables(anchorname, opts); 3185 pfctl_show_fingerprints(opts); 3186 break; 3187 case 'T': 3188 pfctl_show_tables(anchorname, opts); 3189 break; 3190 case 'o': 3191 pfctl_load_fingerprints(dev, opts); 3192 pfctl_show_fingerprints(opts); 3193 break; 3194 case 'I': 3195 pfctl_show_ifaces(ifaceopt, opts); 3196 break; 3197 case 'c': 3198 pfctl_show_creators(opts); 3199 break; 3200 } 3201 } 3202 3203 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL) { 3204 pfctl_show_eth_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3205 anchorname, 0, 0); 3206 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3207 anchorname, 0, 0); 3208 } 3209 3210 if (clearopt != NULL) { 3211 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3212 errx(1, "anchor names beginning with '_' cannot " 3213 "be modified from the command line"); 3214 3215 switch (*clearopt) { 3216 case 'e': 3217 pfctl_flush_eth_rules(dev, opts, anchorname); 3218 break; 3219 case 'r': 3220 pfctl_flush_rules(dev, opts, anchorname); 3221 break; 3222 case 'n': 3223 pfctl_flush_nat(dev, opts, anchorname); 3224 break; 3225 case 'q': 3226 pfctl_clear_altq(dev, opts); 3227 break; 3228 case 's': 3229 pfctl_clear_iface_states(dev, ifaceopt, opts); 3230 break; 3231 case 'S': 3232 pfctl_clear_src_nodes(dev, opts); 3233 break; 3234 case 'i': 3235 pfctl_clear_stats(pfh, opts); 3236 break; 3237 case 'a': 3238 pfctl_flush_eth_rules(dev, opts, anchorname); 3239 pfctl_flush_rules(dev, opts, anchorname); 3240 pfctl_flush_nat(dev, opts, anchorname); 3241 pfctl_do_clear_tables(anchorname, opts); 3242 if (!*anchorname) { 3243 pfctl_clear_altq(dev, opts); 3244 pfctl_clear_iface_states(dev, ifaceopt, opts); 3245 pfctl_clear_src_nodes(dev, opts); 3246 pfctl_clear_stats(pfh, opts); 3247 pfctl_clear_fingerprints(dev, opts); 3248 pfctl_clear_interface_flags(dev, opts); 3249 } 3250 break; 3251 case 'o': 3252 pfctl_clear_fingerprints(dev, opts); 3253 break; 3254 case 'T': 3255 pfctl_do_clear_tables(anchorname, opts); 3256 break; 3257 } 3258 } 3259 if (state_killers) { 3260 if (!strcmp(state_kill[0], "label")) 3261 pfctl_label_kill_states(dev, ifaceopt, opts); 3262 else if (!strcmp(state_kill[0], "id")) 3263 pfctl_id_kill_states(dev, ifaceopt, opts); 3264 else if (!strcmp(state_kill[0], "gateway")) 3265 pfctl_gateway_kill_states(dev, ifaceopt, opts); 3266 else 3267 pfctl_net_kill_states(dev, ifaceopt, opts); 3268 } 3269 3270 if (src_node_killers) 3271 pfctl_kill_src_nodes(dev, ifaceopt, opts); 3272 3273 if (tblcmdopt != NULL) { 3274 error = pfctl_command_tables(argc, argv, tableopt, 3275 tblcmdopt, rulesopt, anchorname, opts); 3276 rulesopt = NULL; 3277 } 3278 if (optiopt != NULL) { 3279 switch (*optiopt) { 3280 case 'n': 3281 optimize = 0; 3282 break; 3283 case 'b': 3284 optimize |= PF_OPTIMIZE_BASIC; 3285 break; 3286 case 'o': 3287 case 'p': 3288 optimize |= PF_OPTIMIZE_PROFILE; 3289 break; 3290 } 3291 } 3292 3293 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) && 3294 !anchorname[0] && !(opts & PF_OPT_NOACTION)) 3295 if (pfctl_get_skip_ifaces()) 3296 error = 1; 3297 3298 if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) && 3299 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION)) 3300 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE)) 3301 error = 1; 3302 3303 if (rulesopt != NULL) { 3304 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3305 errx(1, "anchor names beginning with '_' cannot " 3306 "be modified from the command line"); 3307 if (pfctl_rules(dev, rulesopt, opts, optimize, 3308 anchorname, NULL)) 3309 error = 1; 3310 else if (!(opts & PF_OPT_NOACTION) && 3311 (loadopt & PFCTL_FLAG_TABLE)) 3312 warn_namespace_collision(NULL); 3313 } 3314 3315 if (opts & PF_OPT_ENABLE) 3316 if (pfctl_enable(dev, opts)) 3317 error = 1; 3318 3319 if (debugopt != NULL) { 3320 switch (*debugopt) { 3321 case 'n': 3322 pfctl_debug(dev, PF_DEBUG_NONE, opts); 3323 break; 3324 case 'u': 3325 pfctl_debug(dev, PF_DEBUG_URGENT, opts); 3326 break; 3327 case 'm': 3328 pfctl_debug(dev, PF_DEBUG_MISC, opts); 3329 break; 3330 case 'l': 3331 pfctl_debug(dev, PF_DEBUG_NOISY, opts); 3332 break; 3333 } 3334 } 3335 3336 exit(error); 3337 } 3338