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