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