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 const 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, const 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, const 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 printf(" [ Source Nodes: %-6ju " 1068 "Limit: %-6ju " 1069 "NAT/RDR: %-6ju " 1070 "Route: %-6ju " 1071 "]\n", 1072 (uintmax_t)rule->src_nodes, 1073 (uintmax_t)rule->src_nodes_type[PF_SN_LIMIT], 1074 (uintmax_t)rule->src_nodes_type[PF_SN_NAT], 1075 (uintmax_t)rule->src_nodes_type[PF_SN_ROUTE]); 1076 if (!(opts & PF_OPT_DEBUG)) 1077 printf(" [ Inserted: uid %u pid %u " 1078 "State Creations: %-6ju]\n", 1079 (unsigned)rule->cuid, (unsigned)rule->cpid, 1080 (uintmax_t)rule->states_tot); 1081 } 1082 if (opts & PF_OPT_VERBOSE2) { 1083 char timestr[30]; 1084 if (rule->last_active_timestamp != 0) { 1085 bcopy(ctime(&rule->last_active_timestamp), timestr, 1086 sizeof(timestr)); 1087 *strchr(timestr, '\n') = '\0'; 1088 } else { 1089 snprintf(timestr, sizeof(timestr), "N/A"); 1090 } 1091 printf(" [ Last Active Time: %s ]\n", timestr); 1092 } 1093 } 1094 1095 void 1096 pfctl_print_title(char *title) 1097 { 1098 if (!first_title) 1099 printf("\n"); 1100 first_title = 0; 1101 printf("%s\n", title); 1102 } 1103 1104 int 1105 pfctl_show_eth_rules(int dev, char *path, int opts, enum pfctl_show format, 1106 char *anchorname, int depth, int wildcard) 1107 { 1108 char anchor_call[MAXPATHLEN]; 1109 struct pfctl_eth_rules_info info; 1110 struct pfctl_eth_rule rule; 1111 int brace; 1112 int dotitle = opts & PF_OPT_SHOWALL; 1113 int len = strlen(path); 1114 int ret; 1115 char *npath, *p; 1116 1117 /* 1118 * Truncate a trailing / and * on an anchorname before searching for 1119 * the ruleset, this is syntactic sugar that doesn't actually make it 1120 * to the kernel. 1121 */ 1122 if ((p = strrchr(anchorname, '/')) != NULL && 1123 p[1] == '*' && p[2] == '\0') { 1124 p[0] = '\0'; 1125 } 1126 1127 if (anchorname[0] == '/') { 1128 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1129 errx(1, "pfctl_rules: calloc"); 1130 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1131 } else { 1132 if (path[0]) 1133 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1134 else 1135 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1136 npath = path; 1137 } 1138 1139 /* 1140 * If this anchor was called with a wildcard path, go through 1141 * the rulesets in the anchor rather than the rules. 1142 */ 1143 if (wildcard && (opts & PF_OPT_RECURSE)) { 1144 struct pfctl_eth_rulesets_info ri; 1145 u_int32_t mnr, nr; 1146 1147 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, npath)) != 0) { 1148 if (ret == EINVAL) { 1149 fprintf(stderr, "Anchor '%s' " 1150 "not found.\n", anchorname); 1151 } else { 1152 warnc(ret, "DIOCGETETHRULESETS"); 1153 return (-1); 1154 } 1155 } 1156 mnr = ri.nr; 1157 1158 pfctl_print_eth_rule_counters(&rule, opts); 1159 for (nr = 0; nr < mnr; ++nr) { 1160 struct pfctl_eth_ruleset_info rs; 1161 1162 if ((ret = pfctl_get_eth_ruleset(dev, npath, nr, &rs)) != 0) 1163 errc(1, ret, "DIOCGETETHRULESET"); 1164 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1165 printf("anchor \"%s\" all {\n", rs.name); 1166 pfctl_show_eth_rules(dev, npath, opts, 1167 format, rs.name, depth + 1, 0); 1168 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1169 printf("}\n"); 1170 } 1171 path[len] = '\0'; 1172 return (0); 1173 } 1174 1175 if ((ret = pfctl_get_eth_rules_info(dev, &info, path)) != 0) { 1176 warnc(ret, "DIOCGETETHRULES"); 1177 return (-1); 1178 } 1179 for (int nr = 0; nr < info.nr; nr++) { 1180 brace = 0; 1181 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1182 if ((ret = pfctl_get_eth_rule(dev, nr, info.ticket, path, &rule, 1183 opts & PF_OPT_CLRRULECTRS, anchor_call)) != 0) { 1184 warnc(ret, "DIOCGETETHRULE"); 1185 return (-1); 1186 } 1187 if (anchor_call[0] && 1188 ((((p = strrchr(anchor_call, '_')) != NULL) && 1189 (p == anchor_call || 1190 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) { 1191 brace++; 1192 int aclen = strlen(anchor_call); 1193 if (anchor_call[aclen - 1] == '*') 1194 anchor_call[aclen - 2] = '\0'; 1195 } 1196 p = &anchor_call[0]; 1197 if (dotitle) { 1198 pfctl_print_title("ETH RULES:"); 1199 dotitle = 0; 1200 } 1201 print_eth_rule(&rule, anchor_call, 1202 opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1203 if (brace) 1204 printf(" {\n"); 1205 else 1206 printf("\n"); 1207 pfctl_print_eth_rule_counters(&rule, opts); 1208 if (brace) { 1209 pfctl_show_eth_rules(dev, path, opts, format, 1210 p, depth + 1, rule.anchor_wildcard); 1211 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1212 printf("}\n"); 1213 } 1214 } 1215 1216 path[len] = '\0'; 1217 return (0); 1218 } 1219 1220 int 1221 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format, 1222 char *anchorname, int depth, int wildcard) 1223 { 1224 struct pfctl_rules_info ri; 1225 struct pfctl_rule rule; 1226 char anchor_call[MAXPATHLEN]; 1227 u_int32_t nr, header = 0; 1228 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 1229 int numeric = opts & PF_OPT_NUMERIC; 1230 int len = strlen(path), ret = 0; 1231 char *npath, *p; 1232 1233 /* 1234 * Truncate a trailing / and * on an anchorname before searching for 1235 * the ruleset, this is syntactic sugar that doesn't actually make it 1236 * to the kernel. 1237 */ 1238 if ((p = strrchr(anchorname, '/')) != NULL && 1239 p[1] == '*' && p[2] == '\0') { 1240 p[0] = '\0'; 1241 } 1242 1243 if (anchorname[0] == '/') { 1244 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1245 errx(1, "pfctl_rules: calloc"); 1246 strlcpy(npath, anchorname, MAXPATHLEN); 1247 } else { 1248 if (path[0]) 1249 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1250 else 1251 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1252 npath = path; 1253 } 1254 1255 /* 1256 * If this anchor was called with a wildcard path, go through 1257 * the rulesets in the anchor rather than the rules. 1258 */ 1259 if (wildcard && (opts & PF_OPT_RECURSE)) { 1260 struct pfioc_ruleset prs; 1261 u_int32_t mnr, nr; 1262 1263 memset(&prs, 0, sizeof(prs)); 1264 if ((ret = pfctl_get_rulesets(pfh, npath, &mnr)) != 0) { 1265 if (ret == EINVAL) 1266 fprintf(stderr, "Anchor '%s' " 1267 "not found.\n", anchorname); 1268 else 1269 errc(1, ret, "DIOCGETRULESETS"); 1270 } 1271 1272 for (nr = 0; nr < mnr; ++nr) { 1273 if ((ret = pfctl_get_ruleset(pfh, npath, nr, &prs)) != 0) 1274 errc(1, ret, "DIOCGETRULESET"); 1275 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1276 printf("anchor \"%s\" all {\n", prs.name); 1277 pfctl_show_rules(dev, npath, opts, 1278 format, prs.name, depth + 1, 0); 1279 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1280 printf("}\n"); 1281 } 1282 path[len] = '\0'; 1283 return (0); 1284 } 1285 1286 if (opts & PF_OPT_SHOWALL) { 1287 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1288 if (ret != 0) { 1289 warnc(ret, "DIOCGETRULES"); 1290 goto error; 1291 } 1292 header++; 1293 } 1294 ret = pfctl_get_rules_info_h(pfh, &ri, PF_SCRUB, path); 1295 if (ret != 0) { 1296 warnc(ret, "DIOCGETRULES"); 1297 goto error; 1298 } 1299 if (opts & PF_OPT_SHOWALL) { 1300 if (format == PFCTL_SHOW_RULES && (ri.nr > 0 || header)) 1301 pfctl_print_title("FILTER RULES:"); 1302 else if (format == PFCTL_SHOW_LABELS && labels) 1303 pfctl_print_title("LABEL COUNTERS:"); 1304 } 1305 1306 for (nr = 0; nr < ri.nr; ++nr) { 1307 if ((ret = pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_SCRUB, 1308 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) != 0) { 1309 warnc(ret, "DIOCGETRULENV"); 1310 goto error; 1311 } 1312 1313 if (pfctl_get_pool(dev, &rule.rdr, 1314 nr, ri.ticket, PF_SCRUB, path, PF_RDR) != 0) 1315 goto error; 1316 1317 if (pfctl_get_pool(dev, &rule.nat, 1318 nr, ri.ticket, PF_SCRUB, path, PF_NAT) != 0) 1319 goto error; 1320 1321 if (pfctl_get_pool(dev, &rule.route, 1322 nr, ri.ticket, PF_SCRUB, path, PF_RT) != 0) 1323 goto error; 1324 1325 switch (format) { 1326 case PFCTL_SHOW_LABELS: 1327 break; 1328 case PFCTL_SHOW_RULES: 1329 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1330 labels = 1; 1331 print_rule(&rule, anchor_call, rule_numbers, numeric); 1332 printf("\n"); 1333 pfctl_print_rule_counters(&rule, opts); 1334 break; 1335 case PFCTL_SHOW_NOTHING: 1336 break; 1337 } 1338 pfctl_clear_pool(&rule.rdr); 1339 pfctl_clear_pool(&rule.nat); 1340 pfctl_clear_pool(&rule.route); 1341 } 1342 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1343 if (ret != 0) { 1344 warnc(ret, "DIOCGETRULES"); 1345 goto error; 1346 } 1347 for (nr = 0; nr < ri.nr; ++nr) { 1348 if ((ret = pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_PASS, 1349 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) != 0) { 1350 warnc(ret, "DIOCGETRULE"); 1351 goto error; 1352 } 1353 1354 if (pfctl_get_pool(dev, &rule.rdr, 1355 nr, ri.ticket, PF_PASS, path, PF_RDR) != 0) 1356 goto error; 1357 1358 if (pfctl_get_pool(dev, &rule.nat, 1359 nr, ri.ticket, PF_PASS, path, PF_NAT) != 0) 1360 goto error; 1361 1362 if (pfctl_get_pool(dev, &rule.route, 1363 nr, ri.ticket, PF_PASS, path, PF_RT) != 0) 1364 goto error; 1365 1366 switch (format) { 1367 case PFCTL_SHOW_LABELS: { 1368 bool show = false; 1369 int i = 0; 1370 1371 while (rule.label[i][0]) { 1372 printf("%s ", rule.label[i++]); 1373 show = true; 1374 } 1375 1376 if (show) { 1377 printf("%llu %llu %llu %llu" 1378 " %llu %llu %llu %ju\n", 1379 (unsigned long long)rule.evaluations, 1380 (unsigned long long)(rule.packets[0] + 1381 rule.packets[1]), 1382 (unsigned long long)(rule.bytes[0] + 1383 rule.bytes[1]), 1384 (unsigned long long)rule.packets[0], 1385 (unsigned long long)rule.bytes[0], 1386 (unsigned long long)rule.packets[1], 1387 (unsigned long long)rule.bytes[1], 1388 (uintmax_t)rule.states_tot); 1389 } 1390 1391 if (anchor_call[0] && 1392 (((p = strrchr(anchor_call, '/')) ? 1393 p[1] == '_' : anchor_call[0] == '_') || 1394 opts & PF_OPT_RECURSE)) { 1395 pfctl_show_rules(dev, npath, opts, format, 1396 anchor_call, depth, rule.anchor_wildcard); 1397 } 1398 break; 1399 } 1400 case PFCTL_SHOW_RULES: 1401 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1402 labels = 1; 1403 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1404 print_rule(&rule, anchor_call, rule_numbers, numeric); 1405 1406 /* 1407 * If this is a 'unnamed' brace notation 1408 * anchor, OR the user has explicitly requested 1409 * recursion, print it recursively. 1410 */ 1411 if (anchor_call[0] && 1412 (((p = strrchr(anchor_call, '/')) ? 1413 p[1] == '_' : anchor_call[0] == '_') || 1414 opts & PF_OPT_RECURSE)) { 1415 printf(" {\n"); 1416 pfctl_print_rule_counters(&rule, opts); 1417 pfctl_show_rules(dev, npath, opts, format, 1418 anchor_call, depth + 1, 1419 rule.anchor_wildcard); 1420 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1421 printf("}\n"); 1422 } else { 1423 printf("\n"); 1424 pfctl_print_rule_counters(&rule, opts); 1425 } 1426 break; 1427 case PFCTL_SHOW_NOTHING: 1428 break; 1429 } 1430 pfctl_clear_pool(&rule.rdr); 1431 pfctl_clear_pool(&rule.nat); 1432 } 1433 1434 error: 1435 path[len] = '\0'; 1436 return (ret); 1437 } 1438 1439 int 1440 pfctl_show_nat(int dev, const char *path, int opts, char *anchorname, int depth, 1441 int wildcard) 1442 { 1443 struct pfctl_rules_info ri; 1444 struct pfctl_rule rule; 1445 char anchor_call[MAXPATHLEN]; 1446 u_int32_t nr; 1447 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT }; 1448 int i, dotitle = opts & PF_OPT_SHOWALL; 1449 int ret; 1450 int len = strlen(path); 1451 char *npath, *p; 1452 1453 /* 1454 * Truncate a trailing / and * on an anchorname before searching for 1455 * the ruleset, this is syntactic sugar that doesn't actually make it 1456 * to the kernel. 1457 */ 1458 if ((p = strrchr(anchorname, '/')) != NULL && 1459 p[1] == '*' && p[2] == '\0') { 1460 p[0] = '\0'; 1461 } 1462 1463 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1464 errx(1, "pfctl_rules: calloc"); 1465 1466 if (anchorname[0] == '/') { 1467 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1468 } else { 1469 snprintf(npath, MAXPATHLEN, "%s", path); 1470 if (npath[0]) 1471 snprintf(&npath[len], MAXPATHLEN - len, "/%s", anchorname); 1472 else 1473 snprintf(&npath[len], MAXPATHLEN - len, "%s", anchorname); 1474 } 1475 1476 /* 1477 * If this anchor was called with a wildcard path, go through 1478 * the rulesets in the anchor rather than the rules. 1479 */ 1480 if (wildcard && (opts & PF_OPT_RECURSE)) { 1481 struct pfioc_ruleset prs; 1482 u_int32_t mnr, nr; 1483 memset(&prs, 0, sizeof(prs)); 1484 if ((ret = pfctl_get_rulesets(pfh, npath, &mnr)) != 0) { 1485 if (ret == EINVAL) 1486 fprintf(stderr, "NAT anchor '%s' " 1487 "not found.\n", anchorname); 1488 else 1489 errc(1, ret, "DIOCGETRULESETS"); 1490 } 1491 1492 for (nr = 0; nr < mnr; ++nr) { 1493 if ((ret = pfctl_get_ruleset(pfh, npath, nr, &prs)) != 0) 1494 errc(1, ret, "DIOCGETRULESET"); 1495 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1496 printf("nat-anchor \"%s\" all {\n", prs.name); 1497 pfctl_show_nat(dev, npath, opts, 1498 prs.name, depth + 1, 0); 1499 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1500 printf("}\n"); 1501 } 1502 npath[len] = '\0'; 1503 return (0); 1504 } 1505 1506 for (i = 0; i < 3; i++) { 1507 ret = pfctl_get_rules_info_h(pfh, &ri, nattype[i], npath); 1508 if (ret != 0) { 1509 warnc(ret, "DIOCGETRULES"); 1510 return (-1); 1511 } 1512 for (nr = 0; nr < ri.nr; ++nr) { 1513 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1514 1515 if ((ret = pfctl_get_rule_h(pfh, nr, ri.ticket, npath, 1516 nattype[i], &rule, anchor_call)) != 0) { 1517 warnc(ret, "DIOCGETRULE"); 1518 return (-1); 1519 } 1520 if (pfctl_get_pool(dev, &rule.rdr, nr, 1521 ri.ticket, nattype[i], npath, PF_RDR) != 0) 1522 return (-1); 1523 if (pfctl_get_pool(dev, &rule.nat, nr, 1524 ri.ticket, nattype[i], npath, PF_NAT) != 0) 1525 return (-1); 1526 if (pfctl_get_pool(dev, &rule.route, nr, 1527 ri.ticket, nattype[i], npath, PF_RT) != 0) 1528 return (-1); 1529 1530 if (dotitle) { 1531 pfctl_print_title("TRANSLATION RULES:"); 1532 dotitle = 0; 1533 } 1534 print_rule(&rule, anchor_call, 1535 opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC); 1536 if (anchor_call[0] && 1537 (((p = strrchr(anchor_call, '/')) ? 1538 p[1] == '_' : anchor_call[0] == '_') || 1539 opts & PF_OPT_RECURSE)) { 1540 printf(" {\n"); 1541 pfctl_print_rule_counters(&rule, opts); 1542 pfctl_show_nat(dev, npath, opts, anchor_call, 1543 depth + 1, rule.anchor_wildcard); 1544 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1545 printf("}\n"); 1546 } else { 1547 printf("\n"); 1548 pfctl_print_rule_counters(&rule, opts); 1549 } 1550 } 1551 } 1552 return (0); 1553 } 1554 1555 static int 1556 pfctl_print_src_node(struct pfctl_src_node *sn, void *arg) 1557 { 1558 int *opts = (int *)arg; 1559 1560 if (*opts & PF_OPT_SHOWALL) { 1561 pfctl_print_title("SOURCE TRACKING NODES:"); 1562 *opts &= ~PF_OPT_SHOWALL; 1563 } 1564 1565 print_src_node(sn, *opts); 1566 1567 return (0); 1568 } 1569 1570 int 1571 pfctl_show_src_nodes(int dev, int opts) 1572 { 1573 int error; 1574 1575 error = pfctl_get_srcnodes(pfh, pfctl_print_src_node, &opts); 1576 1577 return (error); 1578 } 1579 1580 struct pfctl_show_state_arg { 1581 int opts; 1582 int dotitle; 1583 const char *iface; 1584 }; 1585 1586 static int 1587 pfctl_show_state(struct pfctl_state *s, void *arg) 1588 { 1589 struct pfctl_show_state_arg *a = (struct pfctl_show_state_arg *)arg; 1590 1591 if (a->dotitle) { 1592 pfctl_print_title("STATES:"); 1593 a->dotitle = 0; 1594 } 1595 print_state(s, a->opts); 1596 1597 return (0); 1598 } 1599 1600 int 1601 pfctl_show_states(int dev, const char *iface, int opts) 1602 { 1603 struct pfctl_show_state_arg arg; 1604 struct pfctl_state_filter filter = {}; 1605 1606 if (iface != NULL) 1607 strncpy(filter.ifname, iface, IFNAMSIZ); 1608 1609 arg.opts = opts; 1610 arg.dotitle = opts & PF_OPT_SHOWALL; 1611 arg.iface = iface; 1612 1613 if (pfctl_get_filtered_states_iter(&filter, pfctl_show_state, &arg)) 1614 return (-1); 1615 1616 return (0); 1617 } 1618 1619 int 1620 pfctl_show_status(int dev, int opts) 1621 { 1622 struct pfctl_status *status; 1623 struct pfctl_syncookies cookies; 1624 int ret; 1625 1626 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1627 warn("DIOCGETSTATUS"); 1628 return (-1); 1629 } 1630 if ((ret = pfctl_get_syncookies(dev, &cookies)) != 0) { 1631 pfctl_free_status(status); 1632 warnc(ret, "DIOCGETSYNCOOKIES"); 1633 return (-1); 1634 } 1635 if (opts & PF_OPT_SHOWALL) 1636 pfctl_print_title("INFO:"); 1637 print_status(status, &cookies, opts); 1638 pfctl_free_status(status); 1639 return (0); 1640 } 1641 1642 int 1643 pfctl_show_running(int dev) 1644 { 1645 struct pfctl_status *status; 1646 int running; 1647 1648 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1649 warn("DIOCGETSTATUS"); 1650 return (-1); 1651 } 1652 1653 running = status->running; 1654 1655 print_running(status); 1656 pfctl_free_status(status); 1657 return (!running); 1658 } 1659 1660 int 1661 pfctl_show_timeouts(int dev, int opts) 1662 { 1663 uint32_t seconds; 1664 int i; 1665 int ret; 1666 1667 if (opts & PF_OPT_SHOWALL) 1668 pfctl_print_title("TIMEOUTS:"); 1669 for (i = 0; pf_timeouts[i].name; i++) { 1670 if ((ret = pfctl_get_timeout(pfh, pf_timeouts[i].timeout, &seconds)) != 0) 1671 errc(1, ret, "DIOCGETTIMEOUT"); 1672 printf("%-20s %10d", pf_timeouts[i].name, seconds); 1673 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START && 1674 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END) 1675 printf(" states"); 1676 else 1677 printf("s"); 1678 printf("\n"); 1679 } 1680 return (0); 1681 1682 } 1683 1684 int 1685 pfctl_show_limits(int dev, int opts) 1686 { 1687 unsigned int limit; 1688 int i; 1689 int ret; 1690 1691 if (opts & PF_OPT_SHOWALL) 1692 pfctl_print_title("LIMITS:"); 1693 for (i = 0; pf_limits[i].name; i++) { 1694 if ((ret = pfctl_get_limit(pfh, pf_limits[i].index, &limit)) != 0) 1695 errc(1, ret, "DIOCGETLIMIT"); 1696 printf("%-13s ", pf_limits[i].name); 1697 if (limit == UINT_MAX) 1698 printf("unlimited\n"); 1699 else 1700 printf("hard limit %8u\n", limit); 1701 } 1702 return (0); 1703 } 1704 1705 void 1706 pfctl_show_creators(int opts) 1707 { 1708 int ret; 1709 uint32_t creators[16]; 1710 size_t count = nitems(creators); 1711 1712 ret = pfctl_get_creatorids(pfh, creators, &count); 1713 if (ret != 0) 1714 errx(ret, "Failed to retrieve creators"); 1715 1716 printf("Creator IDs:\n"); 1717 for (size_t i = 0; i < count; i++) 1718 printf("%08x\n", creators[i]); 1719 } 1720 1721 /* callbacks for rule/nat/rdr/addr */ 1722 int 1723 pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af, int which) 1724 { 1725 struct pf_pooladdr *pa; 1726 int ret; 1727 1728 pf->paddr.af = af; 1729 TAILQ_FOREACH(pa, &p->list, entries) { 1730 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr)); 1731 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1732 if ((ret = pfctl_add_addr(pf->h, &pf->paddr, which)) != 0) 1733 errc(1, ret, "DIOCADDADDR"); 1734 } 1735 } 1736 return (0); 1737 } 1738 1739 void 1740 pfctl_init_rule(struct pfctl_rule *r) 1741 { 1742 memset(r, 0, sizeof(struct pfctl_rule)); 1743 TAILQ_INIT(&(r->rdr.list)); 1744 TAILQ_INIT(&(r->nat.list)); 1745 TAILQ_INIT(&(r->route.list)); 1746 } 1747 1748 int 1749 pfctl_append_rule(struct pfctl *pf, struct pfctl_rule *r, 1750 const char *anchor_call) 1751 { 1752 u_int8_t rs_num; 1753 struct pfctl_rule *rule; 1754 struct pfctl_ruleset *rs; 1755 char *p; 1756 1757 rs_num = pf_get_ruleset_number(r->action); 1758 if (rs_num == PF_RULESET_MAX) 1759 errx(1, "Invalid rule type %d", r->action); 1760 1761 rs = &pf->anchor->ruleset; 1762 1763 if (anchor_call[0] && r->anchor == NULL) { 1764 /* 1765 * Don't make non-brace anchors part of the main anchor pool. 1766 */ 1767 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1768 err(1, "pfctl_append_rule: calloc"); 1769 1770 pf_init_ruleset(&r->anchor->ruleset); 1771 r->anchor->ruleset.anchor = r->anchor; 1772 if (strlcpy(r->anchor->path, anchor_call, 1773 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1774 errx(1, "pfctl_append_rule: strlcpy"); 1775 if ((p = strrchr(anchor_call, '/')) != NULL) { 1776 if (!strlen(p)) 1777 err(1, "pfctl_append_rule: bad anchor name %s", 1778 anchor_call); 1779 } else 1780 p = (char *)anchor_call; 1781 if (strlcpy(r->anchor->name, p, 1782 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1783 errx(1, "pfctl_append_rule: strlcpy"); 1784 } 1785 1786 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1787 err(1, "calloc"); 1788 bcopy(r, rule, sizeof(*rule)); 1789 TAILQ_INIT(&rule->rdr.list); 1790 pfctl_move_pool(&r->rdr, &rule->rdr); 1791 TAILQ_INIT(&rule->nat.list); 1792 pfctl_move_pool(&r->nat, &rule->nat); 1793 TAILQ_INIT(&rule->route.list); 1794 pfctl_move_pool(&r->route, &rule->route); 1795 1796 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries); 1797 return (0); 1798 } 1799 1800 int 1801 pfctl_append_eth_rule(struct pfctl *pf, struct pfctl_eth_rule *r, 1802 const char *anchor_call) 1803 { 1804 struct pfctl_eth_rule *rule; 1805 struct pfctl_eth_ruleset *rs; 1806 char *p; 1807 1808 rs = &pf->eanchor->ruleset; 1809 1810 if (anchor_call[0] && r->anchor == NULL) { 1811 /* 1812 * Don't make non-brace anchors part of the main anchor pool. 1813 */ 1814 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1815 err(1, "pfctl_append_rule: calloc"); 1816 1817 pf_init_eth_ruleset(&r->anchor->ruleset); 1818 r->anchor->ruleset.anchor = r->anchor; 1819 if (strlcpy(r->anchor->path, anchor_call, 1820 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1821 errx(1, "pfctl_append_rule: strlcpy"); 1822 if ((p = strrchr(anchor_call, '/')) != NULL) { 1823 if (!strlen(p)) 1824 err(1, "pfctl_append_eth_rule: bad anchor name %s", 1825 anchor_call); 1826 } else 1827 p = (char *)anchor_call; 1828 if (strlcpy(r->anchor->name, p, 1829 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1830 errx(1, "pfctl_append_eth_rule: strlcpy"); 1831 } 1832 1833 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1834 err(1, "calloc"); 1835 bcopy(r, rule, sizeof(*rule)); 1836 1837 TAILQ_INSERT_TAIL(&rs->rules, rule, entries); 1838 return (0); 1839 } 1840 1841 int 1842 pfctl_eth_ruleset_trans(struct pfctl *pf, char *path, 1843 struct pfctl_eth_anchor *a) 1844 { 1845 int osize = pf->trans->pfrb_size; 1846 1847 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0) { 1848 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1849 return (1); 1850 } 1851 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1852 return (5); 1853 1854 return (0); 1855 } 1856 1857 int 1858 pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pfctl_anchor *a, bool do_eth) 1859 { 1860 int osize = pf->trans->pfrb_size; 1861 1862 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0 && do_eth) { 1863 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1864 return (1); 1865 } 1866 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) { 1867 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) || 1868 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) || 1869 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path)) 1870 return (1); 1871 } 1872 if (a == pf->astack[0] && ((altqsupport && 1873 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) { 1874 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path)) 1875 return (2); 1876 } 1877 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) { 1878 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) || 1879 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path)) 1880 return (3); 1881 } 1882 if (pf->loadopt & PFCTL_FLAG_TABLE) 1883 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path)) 1884 return (4); 1885 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1886 return (5); 1887 1888 return (0); 1889 } 1890 1891 int 1892 pfctl_load_eth_ruleset(struct pfctl *pf, char *path, 1893 struct pfctl_eth_ruleset *rs, int depth) 1894 { 1895 struct pfctl_eth_rule *r; 1896 int error, len = strlen(path); 1897 int brace = 0; 1898 1899 pf->eanchor = rs->anchor; 1900 if (path[0]) 1901 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->eanchor->name); 1902 else 1903 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->eanchor->name); 1904 1905 if (depth) { 1906 if (TAILQ_FIRST(&rs->rules) != NULL) { 1907 brace++; 1908 if (pf->opts & PF_OPT_VERBOSE) 1909 printf(" {\n"); 1910 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1911 (error = pfctl_eth_ruleset_trans(pf, 1912 path, rs->anchor))) { 1913 printf("pfctl_load_eth_rulesets: " 1914 "pfctl_eth_ruleset_trans %d\n", error); 1915 goto error; 1916 } 1917 } else if (pf->opts & PF_OPT_VERBOSE) 1918 printf("\n"); 1919 } 1920 1921 while ((r = TAILQ_FIRST(&rs->rules)) != NULL) { 1922 TAILQ_REMOVE(&rs->rules, r, entries); 1923 1924 error = pfctl_load_eth_rule(pf, path, r, depth); 1925 if (error) 1926 return (error); 1927 1928 if (r->anchor) { 1929 if ((error = pfctl_load_eth_ruleset(pf, path, 1930 &r->anchor->ruleset, depth + 1))) 1931 return (error); 1932 } else if (pf->opts & PF_OPT_VERBOSE) 1933 printf("\n"); 1934 free(r); 1935 } 1936 if (brace && pf->opts & PF_OPT_VERBOSE) { 1937 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 1938 printf("}\n"); 1939 } 1940 path[len] = '\0'; 1941 1942 return (0); 1943 error: 1944 path[len] = '\0'; 1945 return (error); 1946 } 1947 1948 int 1949 pfctl_load_eth_rule(struct pfctl *pf, char *path, struct pfctl_eth_rule *r, 1950 int depth) 1951 { 1952 char *name; 1953 char anchor[PF_ANCHOR_NAME_SIZE]; 1954 int len = strlen(path); 1955 int ret; 1956 1957 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 1958 errx(1, "pfctl_load_eth_rule: strlcpy"); 1959 1960 if (r->anchor) { 1961 if (r->anchor->match) { 1962 if (path[0]) 1963 snprintf(&path[len], MAXPATHLEN - len, 1964 "/%s", r->anchor->name); 1965 else 1966 snprintf(&path[len], MAXPATHLEN - len, 1967 "%s", r->anchor->name); 1968 name = r->anchor->name; 1969 } else 1970 name = r->anchor->path; 1971 } else 1972 name = ""; 1973 1974 if ((pf->opts & PF_OPT_NOACTION) == 0) 1975 if ((ret = pfctl_add_eth_rule(pf->dev, r, anchor, name, 1976 pf->eth_ticket)) != 0) 1977 errc(1, ret, "DIOCADDETHRULENV"); 1978 1979 if (pf->opts & PF_OPT_VERBOSE) { 1980 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 1981 print_eth_rule(r, r->anchor ? r->anchor->name : "", 1982 pf->opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1983 } 1984 1985 path[len] = '\0'; 1986 1987 return (0); 1988 } 1989 1990 int 1991 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs, 1992 int rs_num, int depth) 1993 { 1994 struct pfctl_rule *r; 1995 int error, len = strlen(path); 1996 int brace = 0; 1997 1998 pf->anchor = rs->anchor; 1999 2000 if (path[0]) 2001 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name); 2002 else 2003 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name); 2004 2005 if (depth) { 2006 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) { 2007 brace++; 2008 if (pf->opts & PF_OPT_VERBOSE) 2009 printf(" {\n"); 2010 if ((pf->opts & PF_OPT_NOACTION) == 0 && 2011 (error = pfctl_ruleset_trans(pf, 2012 path, rs->anchor, false))) { 2013 printf("pfctl_load_rulesets: " 2014 "pfctl_ruleset_trans %d\n", error); 2015 goto error; 2016 } 2017 } else if (pf->opts & PF_OPT_VERBOSE) 2018 printf("\n"); 2019 2020 } 2021 2022 if (pf->optimize && rs_num == PF_RULESET_FILTER) 2023 pfctl_optimize_ruleset(pf, rs); 2024 2025 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) { 2026 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries); 2027 2028 for (int i = 0; i < PF_RULE_MAX_LABEL_COUNT; i++) 2029 expand_label(r->label[i], PF_RULE_LABEL_SIZE, r); 2030 expand_label(r->tagname, PF_TAG_NAME_SIZE, r); 2031 expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r); 2032 2033 if ((error = pfctl_load_rule(pf, path, r, depth))) 2034 goto error; 2035 if (r->anchor) { 2036 if ((error = pfctl_load_ruleset(pf, path, 2037 &r->anchor->ruleset, rs_num, depth + 1))) 2038 goto error; 2039 } else if (pf->opts & PF_OPT_VERBOSE) 2040 printf("\n"); 2041 free(r); 2042 } 2043 if (brace && pf->opts & PF_OPT_VERBOSE) { 2044 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 2045 printf("}\n"); 2046 } 2047 path[len] = '\0'; 2048 return (0); 2049 2050 error: 2051 path[len] = '\0'; 2052 return (error); 2053 2054 } 2055 2056 int 2057 pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth) 2058 { 2059 u_int8_t rs_num = pf_get_ruleset_number(r->action); 2060 char *name; 2061 u_int32_t ticket; 2062 char anchor[PF_ANCHOR_NAME_SIZE]; 2063 int len = strlen(path); 2064 int error; 2065 bool was_present; 2066 2067 /* set up anchor before adding to path for anchor_call */ 2068 if ((pf->opts & PF_OPT_NOACTION) == 0) 2069 ticket = pfctl_get_ticket(pf->trans, rs_num, path); 2070 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 2071 errx(1, "pfctl_load_rule: strlcpy"); 2072 2073 if (r->anchor) { 2074 if (r->anchor->match) { 2075 if (path[0]) 2076 snprintf(&path[len], MAXPATHLEN - len, 2077 "/%s", r->anchor->name); 2078 else 2079 snprintf(&path[len], MAXPATHLEN - len, 2080 "%s", r->anchor->name); 2081 name = r->anchor->name; 2082 } else 2083 name = r->anchor->path; 2084 } else 2085 name = ""; 2086 2087 was_present = false; 2088 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2089 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2090 if ((error = pfctl_begin_addrs(pf->h, 2091 &pf->paddr.ticket)) != 0) 2092 errc(1, error, "DIOCBEGINADDRS"); 2093 } 2094 2095 if (pfctl_add_pool(pf, &r->rdr, r->af, PF_RDR)) 2096 return (1); 2097 if (pfctl_add_pool(pf, &r->nat, r->naf ? r->naf : r->af, PF_NAT)) 2098 return (1); 2099 if (pfctl_add_pool(pf, &r->route, r->af, PF_RT)) 2100 return (1); 2101 error = pfctl_add_rule_h(pf->h, r, anchor, name, ticket, 2102 pf->paddr.ticket); 2103 switch (error) { 2104 case 0: 2105 /* things worked, do nothing */ 2106 break; 2107 case EEXIST: 2108 /* an identical rule is already present */ 2109 was_present = true; 2110 break; 2111 default: 2112 errc(1, error, "DIOCADDRULE"); 2113 } 2114 } 2115 2116 if (pf->opts & PF_OPT_VERBOSE) { 2117 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 2118 print_rule(r, name, 2119 pf->opts & PF_OPT_VERBOSE2, 2120 pf->opts & PF_OPT_NUMERIC); 2121 if (was_present) 2122 printf(" -- rule was already present"); 2123 } 2124 path[len] = '\0'; 2125 pfctl_clear_pool(&r->rdr); 2126 pfctl_clear_pool(&r->nat); 2127 return (0); 2128 } 2129 2130 int 2131 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a) 2132 { 2133 if (altqsupport && 2134 (loadopt & PFCTL_FLAG_ALTQ) != 0) { 2135 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq)); 2136 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2137 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) { 2138 if (errno == ENXIO) 2139 errx(1, "qtype not configured"); 2140 else if (errno == ENODEV) 2141 errx(1, "%s: driver does not support " 2142 "altq", a->ifname); 2143 else 2144 err(1, "DIOCADDALTQ"); 2145 } 2146 } 2147 pfaltq_store(&pf->paltq->altq); 2148 } 2149 return (0); 2150 } 2151 2152 int 2153 pfctl_rules(int dev, char *filename, int opts, int optimize, 2154 char *anchorname, struct pfr_buffer *trans) 2155 { 2156 #define ERR(x) do { warn(x); goto _error; } while(0) 2157 #define ERRX(x) do { warnx(x); goto _error; } while(0) 2158 2159 struct pfr_buffer *t, buf; 2160 struct pfioc_altq pa; 2161 struct pfctl pf; 2162 struct pfctl_ruleset *rs; 2163 struct pfctl_eth_ruleset *ethrs; 2164 struct pfr_table trs; 2165 char *path; 2166 int osize; 2167 2168 RB_INIT(&pf_anchors); 2169 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor)); 2170 pf_init_ruleset(&pf_main_anchor.ruleset); 2171 pf_main_anchor.ruleset.anchor = &pf_main_anchor; 2172 2173 memset(&pf_eth_main_anchor, 0, sizeof(pf_eth_main_anchor)); 2174 pf_init_eth_ruleset(&pf_eth_main_anchor.ruleset); 2175 pf_eth_main_anchor.ruleset.anchor = &pf_eth_main_anchor; 2176 2177 if (trans == NULL) { 2178 bzero(&buf, sizeof(buf)); 2179 buf.pfrb_type = PFRB_TRANS; 2180 t = &buf; 2181 osize = 0; 2182 } else { 2183 t = trans; 2184 osize = t->pfrb_size; 2185 } 2186 2187 memset(&pa, 0, sizeof(pa)); 2188 pa.version = PFIOC_ALTQ_VERSION; 2189 memset(&pf, 0, sizeof(pf)); 2190 memset(&trs, 0, sizeof(trs)); 2191 if ((path = calloc(1, MAXPATHLEN)) == NULL) 2192 ERRX("pfctl_rules: calloc"); 2193 if (strlcpy(trs.pfrt_anchor, anchorname, 2194 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor)) 2195 ERRX("pfctl_rules: strlcpy"); 2196 pf.dev = dev; 2197 pf.h = pfh; 2198 pf.opts = opts; 2199 pf.optimize = optimize; 2200 pf.loadopt = loadopt; 2201 2202 /* non-brace anchor, create without resolving the path */ 2203 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL) 2204 ERRX("pfctl_rules: calloc"); 2205 rs = &pf.anchor->ruleset; 2206 pf_init_ruleset(rs); 2207 rs->anchor = pf.anchor; 2208 if (strlcpy(pf.anchor->path, anchorname, 2209 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path)) 2210 errx(1, "pfctl_rules: strlcpy"); 2211 if (strlcpy(pf.anchor->name, anchorname, 2212 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name)) 2213 errx(1, "pfctl_rules: strlcpy"); 2214 2215 2216 pf.astack[0] = pf.anchor; 2217 pf.asd = 0; 2218 if (anchorname[0]) 2219 pf.loadopt &= ~PFCTL_FLAG_ALTQ; 2220 pf.paltq = &pa; 2221 pf.trans = t; 2222 pfctl_init_options(&pf); 2223 2224 /* Set up ethernet anchor */ 2225 if ((pf.eanchor = calloc(1, sizeof(*pf.eanchor))) == NULL) 2226 ERRX("pfctl_rules: calloc"); 2227 2228 if (strlcpy(pf.eanchor->path, anchorname, 2229 sizeof(pf.eanchor->path)) >= sizeof(pf.eanchor->path)) 2230 errx(1, "pfctl_rules: strlcpy"); 2231 if (strlcpy(pf.eanchor->name, anchorname, 2232 sizeof(pf.eanchor->name)) >= sizeof(pf.eanchor->name)) 2233 errx(1, "pfctl_rules: strlcpy"); 2234 2235 ethrs = &pf.eanchor->ruleset; 2236 pf_init_eth_ruleset(ethrs); 2237 ethrs->anchor = pf.eanchor; 2238 pf.eastack[0] = pf.eanchor; 2239 2240 if ((opts & PF_OPT_NOACTION) == 0) { 2241 /* 2242 * XXX For the time being we need to open transactions for 2243 * the main ruleset before parsing, because tables are still 2244 * loaded at parse time. 2245 */ 2246 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor, true)) 2247 ERRX("pfctl_rules"); 2248 if (pf.loadopt & PFCTL_FLAG_ETH) 2249 pf.eth_ticket = pfctl_get_ticket(t, PF_RULESET_ETH, anchorname); 2250 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ)) 2251 pa.ticket = 2252 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname); 2253 if (pf.loadopt & PFCTL_FLAG_TABLE) 2254 pf.astack[0]->ruleset.tticket = 2255 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname); 2256 } 2257 2258 if (parse_config(filename, &pf) < 0) { 2259 if ((opts & PF_OPT_NOACTION) == 0) 2260 ERRX("Syntax error in config file: " 2261 "pf rules not loaded"); 2262 else 2263 goto _error; 2264 } 2265 if (loadopt & PFCTL_FLAG_OPTION) 2266 pfctl_adjust_skip_ifaces(&pf); 2267 2268 if ((pf.loadopt & PFCTL_FLAG_FILTER && 2269 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) || 2270 (pf.loadopt & PFCTL_FLAG_ETH && 2271 (pfctl_load_eth_ruleset(&pf, path, ethrs, 0))) || 2272 (pf.loadopt & PFCTL_FLAG_NAT && 2273 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) || 2274 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) || 2275 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) || 2276 (pf.loadopt & PFCTL_FLAG_FILTER && 2277 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) { 2278 if ((opts & PF_OPT_NOACTION) == 0) 2279 ERRX("Unable to load rules into kernel"); 2280 else 2281 goto _error; 2282 } 2283 2284 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0)) 2285 if (check_commit_altq(dev, opts) != 0) 2286 ERRX("errors in altq config"); 2287 2288 /* process "load anchor" directives */ 2289 if (!anchorname[0]) 2290 if (pfctl_load_anchors(dev, &pf, t) == -1) 2291 ERRX("load anchors"); 2292 2293 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) { 2294 if (!anchorname[0]) 2295 if (pfctl_load_options(&pf)) 2296 goto _error; 2297 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize)) 2298 ERR("DIOCXCOMMIT"); 2299 } 2300 free(path); 2301 return (0); 2302 2303 _error: 2304 if (trans == NULL) { /* main ruleset */ 2305 if ((opts & PF_OPT_NOACTION) == 0) 2306 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize)) 2307 err(1, "DIOCXROLLBACK"); 2308 exit(1); 2309 } else { /* sub ruleset */ 2310 free(path); 2311 return (-1); 2312 } 2313 2314 #undef ERR 2315 #undef ERRX 2316 } 2317 2318 FILE * 2319 pfctl_fopen(const char *name, const char *mode) 2320 { 2321 struct stat st; 2322 FILE *fp; 2323 2324 fp = fopen(name, mode); 2325 if (fp == NULL) 2326 return (NULL); 2327 if (fstat(fileno(fp), &st)) { 2328 fclose(fp); 2329 return (NULL); 2330 } 2331 if (S_ISDIR(st.st_mode)) { 2332 fclose(fp); 2333 errno = EISDIR; 2334 return (NULL); 2335 } 2336 return (fp); 2337 } 2338 2339 void 2340 pfctl_init_options(struct pfctl *pf) 2341 { 2342 2343 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2344 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; 2345 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2346 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2347 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; 2348 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2349 pf->timeout[PFTM_SCTP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2350 pf->timeout[PFTM_SCTP_OPENING] = PFTM_TCP_OPENING_VAL; 2351 pf->timeout[PFTM_SCTP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2352 pf->timeout[PFTM_SCTP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2353 pf->timeout[PFTM_SCTP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2354 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; 2355 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; 2356 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; 2357 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; 2358 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; 2359 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; 2360 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; 2361 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; 2362 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL; 2363 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; 2364 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; 2365 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; 2366 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; 2367 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; 2368 2369 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT; 2370 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT; 2371 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT; 2372 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT; 2373 2374 pf->debug = PF_DEBUG_URGENT; 2375 pf->reassemble = 0; 2376 2377 pf->syncookies = false; 2378 pf->syncookieswat[0] = PF_SYNCOOKIES_LOWATPCT; 2379 pf->syncookieswat[1] = PF_SYNCOOKIES_HIWATPCT; 2380 } 2381 2382 int 2383 pfctl_load_options(struct pfctl *pf) 2384 { 2385 int i, error = 0; 2386 2387 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2388 return (0); 2389 2390 /* load limits */ 2391 for (i = 0; i < PF_LIMIT_MAX; i++) { 2392 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i]) 2393 continue; 2394 if (pfctl_load_limit(pf, i, pf->limit[i])) 2395 error = 1; 2396 } 2397 2398 /* 2399 * If we've set the limit, but haven't explicitly set adaptive 2400 * timeouts, do it now with a start of 60% and end of 120%. 2401 */ 2402 if (pf->limit_set[PF_LIMIT_STATES] && 2403 !pf->timeout_set[PFTM_ADAPTIVE_START] && 2404 !pf->timeout_set[PFTM_ADAPTIVE_END]) { 2405 pf->timeout[PFTM_ADAPTIVE_START] = 2406 (pf->limit[PF_LIMIT_STATES] / 10) * 6; 2407 pf->timeout_set[PFTM_ADAPTIVE_START] = 1; 2408 pf->timeout[PFTM_ADAPTIVE_END] = 2409 (pf->limit[PF_LIMIT_STATES] / 10) * 12; 2410 pf->timeout_set[PFTM_ADAPTIVE_END] = 1; 2411 } 2412 2413 /* load timeouts */ 2414 for (i = 0; i < PFTM_MAX; i++) { 2415 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i]) 2416 continue; 2417 if (pfctl_load_timeout(pf, i, pf->timeout[i])) 2418 error = 1; 2419 } 2420 2421 /* load debug */ 2422 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set) 2423 if (pfctl_load_debug(pf, pf->debug)) 2424 error = 1; 2425 2426 /* load logif */ 2427 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set) 2428 if (pfctl_load_logif(pf, pf->ifname)) 2429 error = 1; 2430 2431 /* load hostid */ 2432 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set) 2433 if (pfctl_load_hostid(pf, pf->hostid)) 2434 error = 1; 2435 2436 /* load reassembly settings */ 2437 if (!(pf->opts & PF_OPT_MERGE) || pf->reass_set) 2438 if (pfctl_load_reassembly(pf, pf->reassemble)) 2439 error = 1; 2440 2441 /* load keepcounters */ 2442 if (pfctl_set_keepcounters(pf->dev, pf->keep_counters)) 2443 error = 1; 2444 2445 /* load syncookies settings */ 2446 if (pfctl_load_syncookies(pf, pf->syncookies)) 2447 error = 1; 2448 2449 return (error); 2450 } 2451 2452 int 2453 pfctl_apply_limit(struct pfctl *pf, const char *opt, unsigned int limit) 2454 { 2455 int i; 2456 2457 2458 for (i = 0; pf_limits[i].name; i++) { 2459 if (strcasecmp(opt, pf_limits[i].name) == 0) { 2460 pf->limit[pf_limits[i].index] = limit; 2461 pf->limit_set[pf_limits[i].index] = 1; 2462 break; 2463 } 2464 } 2465 if (pf_limits[i].name == NULL) { 2466 warnx("Bad pool name."); 2467 return (1); 2468 } 2469 2470 if (pf->opts & PF_OPT_VERBOSE) 2471 printf("set limit %s %d\n", opt, limit); 2472 2473 return (0); 2474 } 2475 2476 int 2477 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit) 2478 { 2479 if (pfctl_set_limit(pf->h, index, limit)) { 2480 if (errno == EBUSY) 2481 warnx("Current pool size exceeds requested %s limit %u", 2482 pf_limits[index].name, limit); 2483 else 2484 warnx("Cannot set %s limit to %u", 2485 pf_limits[index].name, limit); 2486 return (1); 2487 } 2488 return (0); 2489 } 2490 2491 int 2492 pfctl_apply_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet) 2493 { 2494 int i; 2495 2496 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2497 return (0); 2498 2499 for (i = 0; pf_timeouts[i].name; i++) { 2500 if (strcasecmp(opt, pf_timeouts[i].name) == 0) { 2501 pf->timeout[pf_timeouts[i].timeout] = seconds; 2502 pf->timeout_set[pf_timeouts[i].timeout] = 1; 2503 break; 2504 } 2505 } 2506 2507 if (pf_timeouts[i].name == NULL) { 2508 warnx("Bad timeout name."); 2509 return (1); 2510 } 2511 2512 2513 if (pf->opts & PF_OPT_VERBOSE && ! quiet) 2514 printf("set timeout %s %d\n", opt, seconds); 2515 2516 return (0); 2517 } 2518 2519 int 2520 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds) 2521 { 2522 if (pfctl_set_timeout(pf->h, timeout, seconds)) { 2523 warnx("DIOCSETTIMEOUT"); 2524 return (1); 2525 } 2526 return (0); 2527 } 2528 2529 int 2530 pfctl_set_reassembly(struct pfctl *pf, int on, int nodf) 2531 { 2532 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2533 return (0); 2534 2535 pf->reass_set = 1; 2536 if (on) { 2537 pf->reassemble = PF_REASS_ENABLED; 2538 if (nodf) 2539 pf->reassemble |= PF_REASS_NODF; 2540 } else { 2541 pf->reassemble = 0; 2542 } 2543 2544 if (pf->opts & PF_OPT_VERBOSE) 2545 printf("set reassemble %s %s\n", on ? "yes" : "no", 2546 nodf ? "no-df" : ""); 2547 2548 return (0); 2549 } 2550 2551 int 2552 pfctl_set_optimization(struct pfctl *pf, const char *opt) 2553 { 2554 const struct pf_hint *hint; 2555 int i, r; 2556 2557 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2558 return (0); 2559 2560 for (i = 0; pf_hints[i].name; i++) 2561 if (strcasecmp(opt, pf_hints[i].name) == 0) 2562 break; 2563 2564 hint = pf_hints[i].hint; 2565 if (hint == NULL) { 2566 warnx("invalid state timeouts optimization"); 2567 return (1); 2568 } 2569 2570 for (i = 0; hint[i].name; i++) 2571 if ((r = pfctl_apply_timeout(pf, hint[i].name, 2572 hint[i].timeout, 1))) 2573 return (r); 2574 2575 if (pf->opts & PF_OPT_VERBOSE) 2576 printf("set optimization %s\n", opt); 2577 2578 return (0); 2579 } 2580 2581 int 2582 pfctl_set_logif(struct pfctl *pf, char *ifname) 2583 { 2584 2585 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2586 return (0); 2587 2588 if (!strcmp(ifname, "none")) { 2589 free(pf->ifname); 2590 pf->ifname = NULL; 2591 } else { 2592 pf->ifname = strdup(ifname); 2593 if (!pf->ifname) 2594 errx(1, "pfctl_set_logif: strdup"); 2595 } 2596 pf->ifname_set = 1; 2597 2598 if (pf->opts & PF_OPT_VERBOSE) 2599 printf("set loginterface %s\n", ifname); 2600 2601 return (0); 2602 } 2603 2604 int 2605 pfctl_load_logif(struct pfctl *pf, char *ifname) 2606 { 2607 if (ifname != NULL && strlen(ifname) >= IFNAMSIZ) { 2608 warnx("pfctl_load_logif: strlcpy"); 2609 return (1); 2610 } 2611 return (pfctl_set_statusif(pfh, ifname ? ifname : "")); 2612 } 2613 2614 void 2615 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid) 2616 { 2617 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2618 return; 2619 2620 HTONL(hostid); 2621 2622 pf->hostid = hostid; 2623 pf->hostid_set = 1; 2624 2625 if (pf->opts & PF_OPT_VERBOSE) 2626 printf("set hostid 0x%08x\n", ntohl(hostid)); 2627 } 2628 2629 int 2630 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid) 2631 { 2632 if (ioctl(dev, DIOCSETHOSTID, &hostid)) { 2633 warnx("DIOCSETHOSTID"); 2634 return (1); 2635 } 2636 return (0); 2637 } 2638 2639 int 2640 pfctl_load_reassembly(struct pfctl *pf, u_int32_t reassembly) 2641 { 2642 if (ioctl(dev, DIOCSETREASS, &reassembly)) { 2643 warnx("DIOCSETREASS"); 2644 return (1); 2645 } 2646 return (0); 2647 } 2648 2649 int 2650 pfctl_load_syncookies(struct pfctl *pf, u_int8_t val) 2651 { 2652 struct pfctl_syncookies cookies; 2653 2654 bzero(&cookies, sizeof(cookies)); 2655 2656 cookies.mode = val; 2657 cookies.lowwater = pf->syncookieswat[0]; 2658 cookies.highwater = pf->syncookieswat[1]; 2659 2660 if (pfctl_set_syncookies(dev, &cookies)) { 2661 warnx("DIOCSETSYNCOOKIES"); 2662 return (1); 2663 } 2664 return (0); 2665 } 2666 2667 int 2668 pfctl_cfg_syncookies(struct pfctl *pf, uint8_t val, struct pfctl_watermarks *w) 2669 { 2670 if (val != PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2671 warnx("syncookies start/end only apply to adaptive"); 2672 return (1); 2673 } 2674 if (val == PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2675 if (!w->hi) 2676 w->hi = PF_SYNCOOKIES_HIWATPCT; 2677 if (!w->lo) 2678 w->lo = w->hi / 2; 2679 if (w->lo >= w->hi) { 2680 warnx("start must be higher than end"); 2681 return (1); 2682 } 2683 pf->syncookieswat[0] = w->lo; 2684 pf->syncookieswat[1] = w->hi; 2685 pf->syncookieswat_set = 1; 2686 } 2687 2688 if (pf->opts & PF_OPT_VERBOSE) { 2689 if (val == PF_SYNCOOKIES_NEVER) 2690 printf("set syncookies never\n"); 2691 else if (val == PF_SYNCOOKIES_ALWAYS) 2692 printf("set syncookies always\n"); 2693 else if (val == PF_SYNCOOKIES_ADAPTIVE) { 2694 if (pf->syncookieswat_set) 2695 printf("set syncookies adaptive (start %u%%, " 2696 "end %u%%)\n", pf->syncookieswat[1], 2697 pf->syncookieswat[0]); 2698 else 2699 printf("set syncookies adaptive\n"); 2700 } else { /* cannot happen */ 2701 warnx("king bula ate all syncookies"); 2702 return (1); 2703 } 2704 } 2705 2706 pf->syncookies = val; 2707 return (0); 2708 } 2709 2710 int 2711 pfctl_do_set_debug(struct pfctl *pf, char *d) 2712 { 2713 u_int32_t level; 2714 int ret; 2715 2716 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2717 return (0); 2718 2719 if (!strcmp(d, "none")) 2720 pf->debug = PF_DEBUG_NONE; 2721 else if (!strcmp(d, "urgent")) 2722 pf->debug = PF_DEBUG_URGENT; 2723 else if (!strcmp(d, "misc")) 2724 pf->debug = PF_DEBUG_MISC; 2725 else if (!strcmp(d, "loud")) 2726 pf->debug = PF_DEBUG_NOISY; 2727 else { 2728 warnx("unknown debug level \"%s\"", d); 2729 return (-1); 2730 } 2731 2732 pf->debug_set = 1; 2733 level = pf->debug; 2734 2735 if ((pf->opts & PF_OPT_NOACTION) == 0) 2736 if ((ret = pfctl_set_debug(pfh, level)) != 0) 2737 errc(1, ret, "DIOCSETDEBUG"); 2738 2739 if (pf->opts & PF_OPT_VERBOSE) 2740 printf("set debug %s\n", d); 2741 2742 return (0); 2743 } 2744 2745 int 2746 pfctl_load_debug(struct pfctl *pf, unsigned int level) 2747 { 2748 if (pfctl_set_debug(pf->h, level)) { 2749 warnx("DIOCSETDEBUG"); 2750 return (1); 2751 } 2752 return (0); 2753 } 2754 2755 int 2756 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how) 2757 { 2758 struct pfioc_iface pi; 2759 struct node_host *h = NULL, *n = NULL; 2760 2761 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2762 return (0); 2763 2764 bzero(&pi, sizeof(pi)); 2765 2766 pi.pfiio_flags = flags; 2767 2768 /* Make sure our cache matches the kernel. If we set or clear the flag 2769 * for a group this applies to all members. */ 2770 h = ifa_grouplookup(ifname, 0); 2771 for (n = h; n != NULL; n = n->next) 2772 pfctl_set_interface_flags(pf, n->ifname, flags, how); 2773 2774 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >= 2775 sizeof(pi.pfiio_name)) 2776 errx(1, "pfctl_set_interface_flags: strlcpy"); 2777 2778 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2779 if (how == 0) { 2780 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi)) 2781 err(1, "DIOCCLRIFFLAG"); 2782 } else { 2783 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi)) 2784 err(1, "DIOCSETIFFLAG"); 2785 pfctl_check_skip_ifaces(ifname); 2786 } 2787 } 2788 return (0); 2789 } 2790 2791 void 2792 pfctl_debug(int dev, u_int32_t level, int opts) 2793 { 2794 int ret; 2795 2796 if ((ret = pfctl_set_debug(pfh, level)) != 0) 2797 errc(1, ret, "DIOCSETDEBUG"); 2798 if ((opts & PF_OPT_QUIET) == 0) { 2799 fprintf(stderr, "debug level set to '"); 2800 switch (level) { 2801 case PF_DEBUG_NONE: 2802 fprintf(stderr, "none"); 2803 break; 2804 case PF_DEBUG_URGENT: 2805 fprintf(stderr, "urgent"); 2806 break; 2807 case PF_DEBUG_MISC: 2808 fprintf(stderr, "misc"); 2809 break; 2810 case PF_DEBUG_NOISY: 2811 fprintf(stderr, "loud"); 2812 break; 2813 default: 2814 fprintf(stderr, "<invalid>"); 2815 break; 2816 } 2817 fprintf(stderr, "'\n"); 2818 } 2819 } 2820 2821 int 2822 pfctl_test_altqsupport(int dev, int opts) 2823 { 2824 struct pfioc_altq pa; 2825 2826 pa.version = PFIOC_ALTQ_VERSION; 2827 if (ioctl(dev, DIOCGETALTQS, &pa)) { 2828 if (errno == ENODEV) { 2829 if (opts & PF_OPT_VERBOSE) 2830 fprintf(stderr, "No ALTQ support in kernel\n" 2831 "ALTQ related functions disabled\n"); 2832 return (0); 2833 } else 2834 err(1, "DIOCGETALTQS"); 2835 } 2836 return (1); 2837 } 2838 2839 int 2840 pfctl_show_anchors(int dev, int opts, char *anchorname) 2841 { 2842 struct pfioc_ruleset pr; 2843 u_int32_t mnr, nr; 2844 int ret; 2845 2846 memset(&pr, 0, sizeof(pr)); 2847 if ((ret = pfctl_get_rulesets(pfh, anchorname, &mnr)) != 0) { 2848 if (ret == EINVAL) 2849 fprintf(stderr, "Anchor '%s' not found.\n", 2850 anchorname); 2851 else 2852 errc(1, ret, "DIOCGETRULESETS"); 2853 return (-1); 2854 } 2855 for (nr = 0; nr < mnr; ++nr) { 2856 char sub[MAXPATHLEN]; 2857 2858 if ((ret = pfctl_get_ruleset(pfh, anchorname, nr, &pr)) != 0) 2859 errc(1, ret, "DIOCGETRULESET"); 2860 if (!strcmp(pr.name, PF_RESERVED_ANCHOR)) 2861 continue; 2862 sub[0] = 0; 2863 if (pr.path[0]) { 2864 strlcat(sub, pr.path, sizeof(sub)); 2865 strlcat(sub, "/", sizeof(sub)); 2866 } 2867 strlcat(sub, pr.name, sizeof(sub)); 2868 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2869 printf(" %s\n", sub); 2870 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub)) 2871 return (-1); 2872 } 2873 return (0); 2874 } 2875 2876 int 2877 pfctl_show_eth_anchors(int dev, int opts, char *anchorname) 2878 { 2879 struct pfctl_eth_rulesets_info ri; 2880 struct pfctl_eth_ruleset_info rs; 2881 int ret; 2882 2883 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, anchorname)) != 0) { 2884 if (ret == ENOENT) 2885 fprintf(stderr, "Anchor '%s' not found.\n", 2886 anchorname); 2887 else 2888 errc(1, ret, "DIOCGETETHRULESETS"); 2889 return (-1); 2890 } 2891 2892 for (int nr = 0; nr < ri.nr; nr++) { 2893 char sub[MAXPATHLEN]; 2894 2895 if ((ret = pfctl_get_eth_ruleset(dev, anchorname, nr, &rs)) != 0) 2896 errc(1, ret, "DIOCGETETHRULESET"); 2897 2898 if (!strcmp(rs.name, PF_RESERVED_ANCHOR)) 2899 continue; 2900 sub[0] = 0; 2901 if (rs.path[0]) { 2902 strlcat(sub, rs.path, sizeof(sub)); 2903 strlcat(sub, "/", sizeof(sub)); 2904 } 2905 strlcat(sub, rs.name, sizeof(sub)); 2906 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2907 printf(" %s\n", sub); 2908 if ((opts & PF_OPT_VERBOSE) && pfctl_show_eth_anchors(dev, opts, sub)) 2909 return (-1); 2910 } 2911 return (0); 2912 } 2913 2914 const char * 2915 pfctl_lookup_option(char *cmd, const char * const *list) 2916 { 2917 if (cmd != NULL && *cmd) 2918 for (; *list; list++) 2919 if (!strncmp(cmd, *list, strlen(cmd))) 2920 return (*list); 2921 return (NULL); 2922 } 2923 2924 int 2925 main(int argc, char *argv[]) 2926 { 2927 int error = 0; 2928 int ch; 2929 int mode = O_RDONLY; 2930 int opts = 0; 2931 int optimize = PF_OPTIMIZE_BASIC; 2932 char anchorname[MAXPATHLEN]; 2933 char *path; 2934 2935 if (argc < 2) 2936 usage(); 2937 2938 while ((ch = getopt(argc, argv, 2939 "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) { 2940 switch (ch) { 2941 case 'a': 2942 anchoropt = optarg; 2943 break; 2944 case 'd': 2945 opts |= PF_OPT_DISABLE; 2946 mode = O_RDWR; 2947 break; 2948 case 'D': 2949 if (pfctl_cmdline_symset(optarg) < 0) 2950 warnx("could not parse macro definition %s", 2951 optarg); 2952 break; 2953 case 'e': 2954 opts |= PF_OPT_ENABLE; 2955 mode = O_RDWR; 2956 break; 2957 case 'q': 2958 opts |= PF_OPT_QUIET; 2959 break; 2960 case 'F': 2961 clearopt = pfctl_lookup_option(optarg, clearopt_list); 2962 if (clearopt == NULL) { 2963 warnx("Unknown flush modifier '%s'", optarg); 2964 usage(); 2965 } 2966 mode = O_RDWR; 2967 break; 2968 case 'i': 2969 ifaceopt = optarg; 2970 break; 2971 case 'k': 2972 if (state_killers >= 2) { 2973 warnx("can only specify -k twice"); 2974 usage(); 2975 /* NOTREACHED */ 2976 } 2977 state_kill[state_killers++] = optarg; 2978 mode = O_RDWR; 2979 break; 2980 case 'K': 2981 if (src_node_killers >= 2) { 2982 warnx("can only specify -K twice"); 2983 usage(); 2984 /* NOTREACHED */ 2985 } 2986 src_node_kill[src_node_killers++] = optarg; 2987 mode = O_RDWR; 2988 break; 2989 case 'm': 2990 opts |= PF_OPT_MERGE; 2991 break; 2992 case 'M': 2993 opts |= PF_OPT_KILLMATCH; 2994 break; 2995 case 'n': 2996 opts |= PF_OPT_NOACTION; 2997 break; 2998 case 'N': 2999 loadopt |= PFCTL_FLAG_NAT; 3000 break; 3001 case 'r': 3002 opts |= PF_OPT_USEDNS; 3003 break; 3004 case 'f': 3005 rulesopt = optarg; 3006 mode = O_RDWR; 3007 break; 3008 case 'g': 3009 opts |= PF_OPT_DEBUG; 3010 break; 3011 case 'A': 3012 loadopt |= PFCTL_FLAG_ALTQ; 3013 break; 3014 case 'R': 3015 loadopt |= PFCTL_FLAG_FILTER; 3016 break; 3017 case 'o': 3018 optiopt = pfctl_lookup_option(optarg, optiopt_list); 3019 if (optiopt == NULL) { 3020 warnx("Unknown optimization '%s'", optarg); 3021 usage(); 3022 } 3023 opts |= PF_OPT_OPTIMIZE; 3024 break; 3025 case 'O': 3026 loadopt |= PFCTL_FLAG_OPTION; 3027 break; 3028 case 'p': 3029 pf_device = optarg; 3030 break; 3031 case 'P': 3032 opts |= PF_OPT_NUMERIC; 3033 break; 3034 case 's': 3035 showopt = pfctl_lookup_option(optarg, showopt_list); 3036 if (showopt == NULL) { 3037 warnx("Unknown show modifier '%s'", optarg); 3038 usage(); 3039 } 3040 break; 3041 case 't': 3042 tableopt = optarg; 3043 break; 3044 case 'T': 3045 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list); 3046 if (tblcmdopt == NULL) { 3047 warnx("Unknown table command '%s'", optarg); 3048 usage(); 3049 } 3050 break; 3051 case 'v': 3052 if (opts & PF_OPT_VERBOSE) 3053 opts |= PF_OPT_VERBOSE2; 3054 opts |= PF_OPT_VERBOSE; 3055 break; 3056 case 'x': 3057 debugopt = pfctl_lookup_option(optarg, debugopt_list); 3058 if (debugopt == NULL) { 3059 warnx("Unknown debug level '%s'", optarg); 3060 usage(); 3061 } 3062 mode = O_RDWR; 3063 break; 3064 case 'z': 3065 opts |= PF_OPT_CLRRULECTRS; 3066 mode = O_RDWR; 3067 break; 3068 case 'h': 3069 /* FALLTHROUGH */ 3070 default: 3071 usage(); 3072 /* NOTREACHED */ 3073 } 3074 } 3075 3076 if (tblcmdopt != NULL) { 3077 argc -= optind; 3078 argv += optind; 3079 ch = *tblcmdopt; 3080 if (ch == 'l') { 3081 loadopt |= PFCTL_FLAG_TABLE; 3082 tblcmdopt = NULL; 3083 } else 3084 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY; 3085 } else if (argc != optind) { 3086 warnx("unknown command line argument: %s ...", argv[optind]); 3087 usage(); 3088 /* NOTREACHED */ 3089 } 3090 if (loadopt == 0) 3091 loadopt = ~0; 3092 3093 if ((path = calloc(1, MAXPATHLEN)) == NULL) 3094 errx(1, "pfctl: calloc"); 3095 memset(anchorname, 0, sizeof(anchorname)); 3096 if (anchoropt != NULL) { 3097 int len = strlen(anchoropt); 3098 3099 if (len >= 1 && anchoropt[len - 1] == '*') { 3100 if (len >= 2 && anchoropt[len - 2] == '/') 3101 anchoropt[len - 2] = '\0'; 3102 else 3103 anchoropt[len - 1] = '\0'; 3104 opts |= PF_OPT_RECURSE; 3105 } 3106 if (strlcpy(anchorname, anchoropt, 3107 sizeof(anchorname)) >= sizeof(anchorname)) 3108 errx(1, "anchor name '%s' too long", 3109 anchoropt); 3110 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE|PFCTL_FLAG_ETH; 3111 } 3112 3113 if ((opts & PF_OPT_NOACTION) == 0) { 3114 dev = open(pf_device, mode); 3115 if (dev == -1) 3116 err(1, "%s", pf_device); 3117 altqsupport = pfctl_test_altqsupport(dev, opts); 3118 } else { 3119 dev = open(pf_device, O_RDONLY); 3120 if (dev >= 0) 3121 opts |= PF_OPT_DUMMYACTION; 3122 /* turn off options */ 3123 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE); 3124 clearopt = showopt = debugopt = NULL; 3125 #if !defined(ENABLE_ALTQ) 3126 altqsupport = 0; 3127 #else 3128 altqsupport = 1; 3129 #endif 3130 } 3131 pfh = pfctl_open(pf_device); 3132 if (pfh == NULL) 3133 err(1, "Failed to open netlink"); 3134 3135 if (opts & PF_OPT_DISABLE) 3136 if (pfctl_disable(dev, opts)) 3137 error = 1; 3138 3139 if (showopt != NULL) { 3140 switch (*showopt) { 3141 case 'A': 3142 pfctl_show_anchors(dev, opts, anchorname); 3143 if (opts & PF_OPT_VERBOSE2) 3144 printf("Ethernet:\n"); 3145 pfctl_show_eth_anchors(dev, opts, anchorname); 3146 break; 3147 case 'r': 3148 pfctl_load_fingerprints(dev, opts); 3149 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES, 3150 anchorname, 0, 0); 3151 break; 3152 case 'l': 3153 pfctl_load_fingerprints(dev, opts); 3154 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS, 3155 anchorname, 0, 0); 3156 break; 3157 case 'n': 3158 pfctl_load_fingerprints(dev, opts); 3159 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3160 break; 3161 case 'q': 3162 pfctl_show_altq(dev, ifaceopt, opts, 3163 opts & PF_OPT_VERBOSE2); 3164 break; 3165 case 's': 3166 pfctl_show_states(dev, ifaceopt, opts); 3167 break; 3168 case 'S': 3169 pfctl_show_src_nodes(dev, opts); 3170 break; 3171 case 'i': 3172 pfctl_show_status(dev, opts); 3173 break; 3174 case 'R': 3175 error = pfctl_show_running(dev); 3176 break; 3177 case 't': 3178 pfctl_show_timeouts(dev, opts); 3179 break; 3180 case 'm': 3181 pfctl_show_limits(dev, opts); 3182 break; 3183 case 'e': 3184 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3185 0); 3186 break; 3187 case 'a': 3188 opts |= PF_OPT_SHOWALL; 3189 pfctl_load_fingerprints(dev, opts); 3190 3191 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3192 0); 3193 3194 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3195 pfctl_show_rules(dev, path, opts, 0, anchorname, 0, 0); 3196 pfctl_show_altq(dev, ifaceopt, opts, 0); 3197 pfctl_show_states(dev, ifaceopt, opts); 3198 pfctl_show_src_nodes(dev, opts); 3199 pfctl_show_status(dev, opts); 3200 pfctl_show_rules(dev, path, opts, 1, anchorname, 0, 0); 3201 pfctl_show_timeouts(dev, opts); 3202 pfctl_show_limits(dev, opts); 3203 pfctl_show_tables(anchorname, opts); 3204 pfctl_show_fingerprints(opts); 3205 break; 3206 case 'T': 3207 pfctl_show_tables(anchorname, opts); 3208 break; 3209 case 'o': 3210 pfctl_load_fingerprints(dev, opts); 3211 pfctl_show_fingerprints(opts); 3212 break; 3213 case 'I': 3214 pfctl_show_ifaces(ifaceopt, opts); 3215 break; 3216 case 'c': 3217 pfctl_show_creators(opts); 3218 break; 3219 } 3220 } 3221 3222 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL) { 3223 pfctl_show_eth_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3224 anchorname, 0, 0); 3225 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3226 anchorname, 0, 0); 3227 } 3228 3229 if (clearopt != NULL) { 3230 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3231 errx(1, "anchor names beginning with '_' cannot " 3232 "be modified from the command line"); 3233 3234 switch (*clearopt) { 3235 case 'e': 3236 pfctl_flush_eth_rules(dev, opts, anchorname); 3237 break; 3238 case 'r': 3239 pfctl_flush_rules(dev, opts, anchorname); 3240 break; 3241 case 'n': 3242 pfctl_flush_nat(dev, opts, anchorname); 3243 break; 3244 case 'q': 3245 pfctl_clear_altq(dev, opts); 3246 break; 3247 case 's': 3248 pfctl_clear_iface_states(dev, ifaceopt, opts); 3249 break; 3250 case 'S': 3251 pfctl_clear_src_nodes(dev, opts); 3252 break; 3253 case 'i': 3254 pfctl_clear_stats(pfh, opts); 3255 break; 3256 case 'a': 3257 pfctl_flush_eth_rules(dev, opts, anchorname); 3258 pfctl_flush_rules(dev, opts, anchorname); 3259 pfctl_flush_nat(dev, opts, anchorname); 3260 pfctl_do_clear_tables(anchorname, opts); 3261 if (!*anchorname) { 3262 pfctl_clear_altq(dev, opts); 3263 pfctl_clear_iface_states(dev, ifaceopt, opts); 3264 pfctl_clear_src_nodes(dev, opts); 3265 pfctl_clear_stats(pfh, opts); 3266 pfctl_clear_fingerprints(dev, opts); 3267 pfctl_clear_interface_flags(dev, opts); 3268 } 3269 break; 3270 case 'o': 3271 pfctl_clear_fingerprints(dev, opts); 3272 break; 3273 case 'T': 3274 pfctl_do_clear_tables(anchorname, opts); 3275 break; 3276 } 3277 } 3278 if (state_killers) { 3279 if (!strcmp(state_kill[0], "label")) 3280 pfctl_label_kill_states(dev, ifaceopt, opts); 3281 else if (!strcmp(state_kill[0], "id")) 3282 pfctl_id_kill_states(dev, ifaceopt, opts); 3283 else if (!strcmp(state_kill[0], "gateway")) 3284 pfctl_gateway_kill_states(dev, ifaceopt, opts); 3285 else 3286 pfctl_net_kill_states(dev, ifaceopt, opts); 3287 } 3288 3289 if (src_node_killers) 3290 pfctl_kill_src_nodes(dev, ifaceopt, opts); 3291 3292 if (tblcmdopt != NULL) { 3293 error = pfctl_command_tables(argc, argv, tableopt, 3294 tblcmdopt, rulesopt, anchorname, opts); 3295 rulesopt = NULL; 3296 } 3297 if (optiopt != NULL) { 3298 switch (*optiopt) { 3299 case 'n': 3300 optimize = 0; 3301 break; 3302 case 'b': 3303 optimize |= PF_OPTIMIZE_BASIC; 3304 break; 3305 case 'o': 3306 case 'p': 3307 optimize |= PF_OPTIMIZE_PROFILE; 3308 break; 3309 } 3310 } 3311 3312 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) && 3313 !anchorname[0] && !(opts & PF_OPT_NOACTION)) 3314 if (pfctl_get_skip_ifaces()) 3315 error = 1; 3316 3317 if (rulesopt != NULL && !(opts & PF_OPT_MERGE) && 3318 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION)) 3319 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE)) 3320 error = 1; 3321 3322 if (rulesopt != NULL) { 3323 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3324 errx(1, "anchor names beginning with '_' cannot " 3325 "be modified from the command line"); 3326 if (pfctl_rules(dev, rulesopt, opts, optimize, 3327 anchorname, NULL)) 3328 error = 1; 3329 else if (!(opts & PF_OPT_NOACTION) && 3330 (loadopt & PFCTL_FLAG_TABLE)) 3331 warn_namespace_collision(NULL); 3332 } 3333 3334 if (opts & PF_OPT_ENABLE) 3335 if (pfctl_enable(dev, opts)) 3336 error = 1; 3337 3338 if (debugopt != NULL) { 3339 switch (*debugopt) { 3340 case 'n': 3341 pfctl_debug(dev, PF_DEBUG_NONE, opts); 3342 break; 3343 case 'u': 3344 pfctl_debug(dev, PF_DEBUG_URGENT, opts); 3345 break; 3346 case 'm': 3347 pfctl_debug(dev, PF_DEBUG_MISC, opts); 3348 break; 3349 case 'l': 3350 pfctl_debug(dev, PF_DEBUG_NOISY, opts); 3351 break; 3352 } 3353 } 3354 3355 exit(error); 3356 } 3357