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