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