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 *, int); 97 void pfctl_print_eth_rule_counters(struct pfctl_eth_rule *, int); 98 void pfctl_print_rule_counters(struct pfctl_rule *, int); 99 int pfctl_show_eth_rules(int, char *, int, enum pfctl_show, char *, int, int); 100 int pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int, int); 101 int pfctl_show_nat(int, char *, int, char *, int, int); 102 int pfctl_show_src_nodes(int, int); 103 int pfctl_show_states(int, const char *, int); 104 int pfctl_show_status(int, int); 105 int pfctl_show_running(int); 106 int pfctl_show_timeouts(int, int); 107 int pfctl_show_limits(int, int); 108 void pfctl_debug(int, u_int32_t, int); 109 int pfctl_test_altqsupport(int, int); 110 int pfctl_show_anchors(int, int, char *); 111 int pfctl_show_eth_anchors(int, int, char *); 112 int pfctl_ruleset_trans(struct pfctl *, char *, struct pfctl_anchor *, bool); 113 int pfctl_eth_ruleset_trans(struct pfctl *, char *, 114 struct pfctl_eth_anchor *); 115 int pfctl_load_eth_ruleset(struct pfctl *, char *, 116 struct pfctl_eth_ruleset *, int); 117 int pfctl_load_eth_rule(struct pfctl *, char *, struct pfctl_eth_rule *, 118 int); 119 int pfctl_load_ruleset(struct pfctl *, char *, 120 struct pfctl_ruleset *, int, int); 121 int pfctl_load_rule(struct pfctl *, char *, struct pfctl_rule *, int); 122 const char *pfctl_lookup_option(char *, const char * const *); 123 124 static struct pfctl_anchor_global pf_anchors; 125 struct pfctl_anchor pf_main_anchor; 126 struct pfctl_eth_anchor pf_eth_main_anchor; 127 static struct pfr_buffer skip_b; 128 129 static const char *clearopt; 130 static char *rulesopt; 131 static const char *showopt; 132 static const char *debugopt; 133 static char *anchoropt; 134 static const char *optiopt = NULL; 135 static const char *pf_device = PF_DEVICE; 136 static char *ifaceopt; 137 static char *tableopt; 138 static const char *tblcmdopt; 139 static int src_node_killers; 140 static char *src_node_kill[2]; 141 static int state_killers; 142 static char *state_kill[2]; 143 int loadopt; 144 int altqsupport; 145 146 int dev = -1; 147 struct pfctl_handle *pfh = NULL; 148 static int first_title = 1; 149 static int labels = 0; 150 151 #define INDENT(d, o) do { \ 152 if (o) { \ 153 int i; \ 154 for (i=0; i < d; i++) \ 155 printf(" "); \ 156 } \ 157 } while (0); \ 158 159 160 static const struct { 161 const char *name; 162 int index; 163 } pf_limits[] = { 164 { "states", PF_LIMIT_STATES }, 165 { "src-nodes", PF_LIMIT_SRC_NODES }, 166 { "frags", PF_LIMIT_FRAGS }, 167 { "table-entries", PF_LIMIT_TABLE_ENTRIES }, 168 { NULL, 0 } 169 }; 170 171 struct pf_hint { 172 const char *name; 173 int timeout; 174 }; 175 static const struct pf_hint pf_hint_normal[] = { 176 { "tcp.first", 2 * 60 }, 177 { "tcp.opening", 30 }, 178 { "tcp.established", 24 * 60 * 60 }, 179 { "tcp.closing", 15 * 60 }, 180 { "tcp.finwait", 45 }, 181 { "tcp.closed", 90 }, 182 { "tcp.tsdiff", 30 }, 183 { NULL, 0 } 184 }; 185 static const struct pf_hint pf_hint_satellite[] = { 186 { "tcp.first", 3 * 60 }, 187 { "tcp.opening", 30 + 5 }, 188 { "tcp.established", 24 * 60 * 60 }, 189 { "tcp.closing", 15 * 60 + 5 }, 190 { "tcp.finwait", 45 + 5 }, 191 { "tcp.closed", 90 + 5 }, 192 { "tcp.tsdiff", 60 }, 193 { NULL, 0 } 194 }; 195 static const struct pf_hint pf_hint_conservative[] = { 196 { "tcp.first", 60 * 60 }, 197 { "tcp.opening", 15 * 60 }, 198 { "tcp.established", 5 * 24 * 60 * 60 }, 199 { "tcp.closing", 60 * 60 }, 200 { "tcp.finwait", 10 * 60 }, 201 { "tcp.closed", 3 * 60 }, 202 { "tcp.tsdiff", 60 }, 203 { NULL, 0 } 204 }; 205 static const struct pf_hint pf_hint_aggressive[] = { 206 { "tcp.first", 30 }, 207 { "tcp.opening", 5 }, 208 { "tcp.established", 5 * 60 * 60 }, 209 { "tcp.closing", 60 }, 210 { "tcp.finwait", 30 }, 211 { "tcp.closed", 30 }, 212 { "tcp.tsdiff", 10 }, 213 { NULL, 0 } 214 }; 215 216 static const struct { 217 const char *name; 218 const struct pf_hint *hint; 219 } pf_hints[] = { 220 { "normal", pf_hint_normal }, 221 { "satellite", pf_hint_satellite }, 222 { "high-latency", pf_hint_satellite }, 223 { "conservative", pf_hint_conservative }, 224 { "aggressive", pf_hint_aggressive }, 225 { NULL, NULL } 226 }; 227 228 static const char * const clearopt_list[] = { 229 "nat", "queue", "rules", "Sources", 230 "states", "info", "Tables", "osfp", "all", 231 "ethernet", NULL 232 }; 233 234 static const char * const showopt_list[] = { 235 "ether", "nat", "queue", "rules", "Anchors", "Sources", "states", 236 "info", "Interfaces", "labels", "timeouts", "memory", "Tables", 237 "osfp", "Running", "all", "creatorids", NULL 238 }; 239 240 static const char * const tblcmdopt_list[] = { 241 "kill", "flush", "add", "delete", "load", "replace", "show", 242 "test", "zero", "expire", "reset", NULL 243 }; 244 245 static const char * const debugopt_list[] = { 246 "none", "urgent", "misc", "loud", NULL 247 }; 248 249 static const char * const optiopt_list[] = { 250 "none", "basic", "profile", NULL 251 }; 252 253 void 254 usage(void) 255 { 256 extern char *__progname; 257 258 fprintf(stderr, 259 "usage: %s [-AdeghMmNnOPqRrvz] [-a anchor] [-D macro=value] [-F modifier]\n" 260 "\t[-f file] [-i interface] [-K host | network]\n" 261 "\t[-k host | network | gateway | label | id] [-o level] [-p device]\n" 262 "\t[-s modifier] [-t table -T command [address ...]] [-x level]\n", 263 __progname); 264 265 exit(1); 266 } 267 268 /* 269 * Cache protocol number to name translations. 270 * 271 * Translation is performed a lot e.g., when dumping states and 272 * getprotobynumber is incredibly expensive. 273 * 274 * Note from the getprotobynumber(3) manpage: 275 * <quote> 276 * These functions use a thread-specific data space; if the data is needed 277 * for future use, it should be copied before any subsequent calls overwrite 278 * it. Only the Internet protocols are currently understood. 279 * </quote> 280 * 281 * Consequently we only cache the name and strdup it for safety. 282 * 283 * At the time of writing this comment the last entry in /etc/protocols is: 284 * divert 258 DIVERT # Divert pseudo-protocol [non IANA] 285 */ 286 const char * 287 pfctl_proto2name(int proto) 288 { 289 static const char *pfctl_proto_cache[259]; 290 struct protoent *p; 291 292 if (proto >= nitems(pfctl_proto_cache)) { 293 p = getprotobynumber(proto); 294 if (p == NULL) { 295 return (NULL); 296 } 297 return (p->p_name); 298 } 299 300 if (pfctl_proto_cache[proto] == NULL) { 301 p = getprotobynumber(proto); 302 if (p == NULL) { 303 return (NULL); 304 } 305 pfctl_proto_cache[proto] = strdup(p->p_name); 306 } 307 308 return (pfctl_proto_cache[proto]); 309 } 310 311 int 312 pfctl_enable(int dev, int opts) 313 { 314 int ret; 315 316 if ((ret = pfctl_startstop(pfh, 1)) != 0) { 317 if (ret == EEXIST) 318 errx(1, "pf already enabled"); 319 else if (ret == ESRCH) 320 errx(1, "pfil registeration failed"); 321 else 322 errc(1, ret, "DIOCSTART"); 323 } 324 if ((opts & PF_OPT_QUIET) == 0) 325 fprintf(stderr, "pf enabled\n"); 326 327 if (altqsupport && ioctl(dev, DIOCSTARTALTQ)) 328 if (errno != EEXIST) 329 err(1, "DIOCSTARTALTQ"); 330 331 return (0); 332 } 333 334 int 335 pfctl_disable(int dev, int opts) 336 { 337 int ret; 338 339 if ((ret = pfctl_startstop(pfh, 0)) != 0) { 340 if (ret == ENOENT) 341 errx(1, "pf not enabled"); 342 else 343 errc(1, ret, "DIOCSTOP"); 344 } 345 if ((opts & PF_OPT_QUIET) == 0) 346 fprintf(stderr, "pf disabled\n"); 347 348 if (altqsupport && ioctl(dev, DIOCSTOPALTQ)) 349 if (errno != ENOENT) 350 err(1, "DIOCSTOPALTQ"); 351 352 return (0); 353 } 354 355 int 356 pfctl_clear_stats(struct pfctl_handle *h, int opts) 357 { 358 int ret; 359 if ((ret = pfctl_clear_status(h)) != 0) 360 errc(1, ret, "DIOCCLRSTATUS"); 361 if ((opts & PF_OPT_QUIET) == 0) 362 fprintf(stderr, "pf: statistics cleared\n"); 363 return (0); 364 } 365 366 int 367 pfctl_get_skip_ifaces(void) 368 { 369 bzero(&skip_b, sizeof(skip_b)); 370 skip_b.pfrb_type = PFRB_IFACES; 371 for (;;) { 372 pfr_buf_grow(&skip_b, skip_b.pfrb_size); 373 skip_b.pfrb_size = skip_b.pfrb_msize; 374 if (pfi_get_ifaces(NULL, skip_b.pfrb_caddr, &skip_b.pfrb_size)) 375 err(1, "pfi_get_ifaces"); 376 if (skip_b.pfrb_size <= skip_b.pfrb_msize) 377 break; 378 } 379 return (0); 380 } 381 382 int 383 pfctl_check_skip_ifaces(char *ifname) 384 { 385 struct pfi_kif *p; 386 struct node_host *h = NULL, *n = NULL; 387 388 PFRB_FOREACH(p, &skip_b) { 389 if (!strcmp(ifname, p->pfik_name) && 390 (p->pfik_flags & PFI_IFLAG_SKIP)) 391 p->pfik_flags &= ~PFI_IFLAG_SKIP; 392 if (!strcmp(ifname, p->pfik_name) && p->pfik_group != NULL) { 393 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 394 continue; 395 396 for (n = h; n != NULL; n = n->next) { 397 if (strncmp(p->pfik_name, ifname, IFNAMSIZ)) 398 continue; 399 400 p->pfik_flags &= ~PFI_IFLAG_SKIP; 401 } 402 } 403 } 404 return (0); 405 } 406 407 int 408 pfctl_adjust_skip_ifaces(struct pfctl *pf) 409 { 410 struct pfi_kif *p, *pp; 411 struct node_host *h = NULL, *n = NULL; 412 413 PFRB_FOREACH(p, &skip_b) { 414 if (p->pfik_group == NULL || !(p->pfik_flags & PFI_IFLAG_SKIP)) 415 continue; 416 417 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 418 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 419 continue; 420 421 for (n = h; n != NULL; n = n->next) 422 PFRB_FOREACH(pp, &skip_b) { 423 if (strncmp(pp->pfik_name, n->ifname, IFNAMSIZ)) 424 continue; 425 426 if (!(pp->pfik_flags & PFI_IFLAG_SKIP)) 427 pfctl_set_interface_flags(pf, 428 pp->pfik_name, PFI_IFLAG_SKIP, 1); 429 if (pp->pfik_flags & PFI_IFLAG_SKIP) 430 pp->pfik_flags &= ~PFI_IFLAG_SKIP; 431 } 432 } 433 434 PFRB_FOREACH(p, &skip_b) { 435 if (! (p->pfik_flags & PFI_IFLAG_SKIP)) 436 continue; 437 438 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 439 } 440 441 return (0); 442 } 443 444 int 445 pfctl_clear_interface_flags(int dev, int opts) 446 { 447 struct pfioc_iface pi; 448 449 if ((opts & PF_OPT_NOACTION) == 0) { 450 bzero(&pi, sizeof(pi)); 451 pi.pfiio_flags = PFI_IFLAG_SKIP; 452 453 if (ioctl(dev, DIOCCLRIFFLAG, &pi)) 454 err(1, "DIOCCLRIFFLAG"); 455 if ((opts & PF_OPT_QUIET) == 0) 456 fprintf(stderr, "pf: interface flags reset\n"); 457 } 458 return (0); 459 } 460 461 int 462 pfctl_flush_eth_rules(int dev, int opts, char *anchorname) 463 { 464 int ret; 465 466 ret = pfctl_clear_eth_rules(dev, anchorname); 467 if (ret != 0) 468 err(1, "pfctl_clear_eth_rules"); 469 470 if ((opts & PF_OPT_QUIET) == 0) 471 fprintf(stderr, "Ethernet rules cleared\n"); 472 473 return (ret); 474 } 475 476 int 477 pfctl_flush_rules(int dev, int opts, char *anchorname) 478 { 479 int ret; 480 481 ret = pfctl_clear_rules(dev, anchorname); 482 if (ret != 0) 483 err(1, "pfctl_clear_rules"); 484 if ((opts & PF_OPT_QUIET) == 0) 485 fprintf(stderr, "rules cleared\n"); 486 return (0); 487 } 488 489 int 490 pfctl_flush_nat(int dev, int opts, char *anchorname) 491 { 492 int ret; 493 494 ret = pfctl_clear_nat(dev, anchorname); 495 if (ret != 0) 496 err(1, "pfctl_clear_nat"); 497 if ((opts & PF_OPT_QUIET) == 0) 498 fprintf(stderr, "nat cleared\n"); 499 return (0); 500 } 501 502 int 503 pfctl_clear_altq(int dev, int opts) 504 { 505 struct pfr_buffer t; 506 507 if (!altqsupport) 508 return (-1); 509 memset(&t, 0, sizeof(t)); 510 t.pfrb_type = PFRB_TRANS; 511 if (pfctl_add_trans(&t, PF_RULESET_ALTQ, "") || 512 pfctl_trans(dev, &t, DIOCXBEGIN, 0) || 513 pfctl_trans(dev, &t, DIOCXCOMMIT, 0)) 514 err(1, "pfctl_clear_altq"); 515 if ((opts & PF_OPT_QUIET) == 0) 516 fprintf(stderr, "altq cleared\n"); 517 return (0); 518 } 519 520 int 521 pfctl_clear_src_nodes(int dev, int opts) 522 { 523 if (ioctl(dev, DIOCCLRSRCNODES)) 524 err(1, "DIOCCLRSRCNODES"); 525 if ((opts & PF_OPT_QUIET) == 0) 526 fprintf(stderr, "source tracking entries cleared\n"); 527 return (0); 528 } 529 530 int 531 pfctl_clear_iface_states(int dev, const char *iface, int opts) 532 { 533 struct pfctl_kill kill; 534 unsigned int killed; 535 int ret; 536 537 memset(&kill, 0, sizeof(kill)); 538 if (iface != NULL && strlcpy(kill.ifname, iface, 539 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 540 errx(1, "invalid interface: %s", iface); 541 542 if (opts & PF_OPT_KILLMATCH) 543 kill.kill_match = true; 544 545 if ((ret = pfctl_clear_states_h(pfh, &kill, &killed)) != 0) 546 errc(1, ret, "DIOCCLRSTATES"); 547 if ((opts & PF_OPT_QUIET) == 0) 548 fprintf(stderr, "%d states cleared\n", killed); 549 return (0); 550 } 551 552 void 553 pfctl_addrprefix(char *addr, struct pf_addr *mask) 554 { 555 char *p; 556 const char *errstr; 557 int prefix, ret_ga, q, r; 558 struct addrinfo hints, *res; 559 560 if ((p = strchr(addr, '/')) == NULL) 561 return; 562 563 *p++ = '\0'; 564 prefix = strtonum(p, 0, 128, &errstr); 565 if (errstr) 566 errx(1, "prefix is %s: %s", errstr, p); 567 568 bzero(&hints, sizeof(hints)); 569 /* prefix only with numeric addresses */ 570 hints.ai_flags |= AI_NUMERICHOST; 571 572 if ((ret_ga = getaddrinfo(addr, NULL, &hints, &res))) { 573 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 574 /* NOTREACHED */ 575 } 576 577 if (res->ai_family == AF_INET && prefix > 32) 578 errx(1, "prefix too long for AF_INET"); 579 else if (res->ai_family == AF_INET6 && prefix > 128) 580 errx(1, "prefix too long for AF_INET6"); 581 582 q = prefix >> 3; 583 r = prefix & 7; 584 switch (res->ai_family) { 585 case AF_INET: 586 bzero(&mask->v4, sizeof(mask->v4)); 587 mask->v4.s_addr = htonl((u_int32_t) 588 (0xffffffffffULL << (32 - prefix))); 589 break; 590 case AF_INET6: 591 bzero(&mask->v6, sizeof(mask->v6)); 592 if (q > 0) 593 memset((void *)&mask->v6, 0xff, q); 594 if (r > 0) 595 *((u_char *)&mask->v6 + q) = 596 (0xff00 >> r) & 0xff; 597 break; 598 } 599 freeaddrinfo(res); 600 } 601 602 int 603 pfctl_kill_src_nodes(int dev, const char *iface, int opts) 604 { 605 struct pfioc_src_node_kill psnk; 606 struct addrinfo *res[2], *resp[2]; 607 struct sockaddr last_src, last_dst; 608 int killed, sources, dests; 609 int ret_ga; 610 611 killed = sources = dests = 0; 612 613 memset(&psnk, 0, sizeof(psnk)); 614 memset(&psnk.psnk_src.addr.v.a.mask, 0xff, 615 sizeof(psnk.psnk_src.addr.v.a.mask)); 616 memset(&last_src, 0xff, sizeof(last_src)); 617 memset(&last_dst, 0xff, sizeof(last_dst)); 618 619 pfctl_addrprefix(src_node_kill[0], &psnk.psnk_src.addr.v.a.mask); 620 621 if ((ret_ga = getaddrinfo(src_node_kill[0], NULL, NULL, &res[0]))) { 622 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 623 /* NOTREACHED */ 624 } 625 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 626 if (resp[0]->ai_addr == NULL) 627 continue; 628 /* We get lots of duplicates. Catch the easy ones */ 629 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 630 continue; 631 last_src = *(struct sockaddr *)resp[0]->ai_addr; 632 633 psnk.psnk_af = resp[0]->ai_family; 634 sources++; 635 636 if (psnk.psnk_af == AF_INET) 637 psnk.psnk_src.addr.v.a.addr.v4 = 638 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 639 else if (psnk.psnk_af == AF_INET6) 640 psnk.psnk_src.addr.v.a.addr.v6 = 641 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 642 sin6_addr; 643 else 644 errx(1, "Unknown address family %d", psnk.psnk_af); 645 646 if (src_node_killers > 1) { 647 dests = 0; 648 memset(&psnk.psnk_dst.addr.v.a.mask, 0xff, 649 sizeof(psnk.psnk_dst.addr.v.a.mask)); 650 memset(&last_dst, 0xff, sizeof(last_dst)); 651 pfctl_addrprefix(src_node_kill[1], 652 &psnk.psnk_dst.addr.v.a.mask); 653 if ((ret_ga = getaddrinfo(src_node_kill[1], NULL, NULL, 654 &res[1]))) { 655 errx(1, "getaddrinfo: %s", 656 gai_strerror(ret_ga)); 657 /* NOTREACHED */ 658 } 659 for (resp[1] = res[1]; resp[1]; 660 resp[1] = resp[1]->ai_next) { 661 if (resp[1]->ai_addr == NULL) 662 continue; 663 if (psnk.psnk_af != resp[1]->ai_family) 664 continue; 665 666 if (memcmp(&last_dst, resp[1]->ai_addr, 667 sizeof(last_dst)) == 0) 668 continue; 669 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 670 671 dests++; 672 673 if (psnk.psnk_af == AF_INET) 674 psnk.psnk_dst.addr.v.a.addr.v4 = 675 ((struct sockaddr_in *)resp[1]-> 676 ai_addr)->sin_addr; 677 else if (psnk.psnk_af == AF_INET6) 678 psnk.psnk_dst.addr.v.a.addr.v6 = 679 ((struct sockaddr_in6 *)resp[1]-> 680 ai_addr)->sin6_addr; 681 else 682 errx(1, "Unknown address family %d", 683 psnk.psnk_af); 684 685 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 686 err(1, "DIOCKILLSRCNODES"); 687 killed += psnk.psnk_killed; 688 } 689 freeaddrinfo(res[1]); 690 } else { 691 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 692 err(1, "DIOCKILLSRCNODES"); 693 killed += psnk.psnk_killed; 694 } 695 } 696 697 freeaddrinfo(res[0]); 698 699 if ((opts & PF_OPT_QUIET) == 0) 700 fprintf(stderr, "killed %d src nodes from %d sources and %d " 701 "destinations\n", killed, sources, dests); 702 return (0); 703 } 704 705 int 706 pfctl_net_kill_states(int dev, const char *iface, int opts) 707 { 708 struct pfctl_kill kill; 709 struct addrinfo *res[2], *resp[2]; 710 struct sockaddr last_src, last_dst; 711 unsigned int newkilled; 712 int killed, sources, dests; 713 int ret_ga, ret; 714 715 killed = sources = dests = 0; 716 717 memset(&kill, 0, sizeof(kill)); 718 memset(&kill.src.addr.v.a.mask, 0xff, 719 sizeof(kill.src.addr.v.a.mask)); 720 memset(&last_src, 0xff, sizeof(last_src)); 721 memset(&last_dst, 0xff, sizeof(last_dst)); 722 if (iface != NULL && strlcpy(kill.ifname, iface, 723 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 724 errx(1, "invalid interface: %s", iface); 725 726 if (state_killers == 2 && (strcmp(state_kill[0], "nat") == 0)) { 727 kill.nat = true; 728 state_kill[0] = state_kill[1]; 729 state_killers = 1; 730 } 731 732 pfctl_addrprefix(state_kill[0], &kill.src.addr.v.a.mask); 733 734 if (opts & PF_OPT_KILLMATCH) 735 kill.kill_match = true; 736 737 if ((ret_ga = getaddrinfo(state_kill[0], NULL, NULL, &res[0]))) { 738 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 739 /* NOTREACHED */ 740 } 741 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 742 if (resp[0]->ai_addr == NULL) 743 continue; 744 /* We get lots of duplicates. Catch the easy ones */ 745 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 746 continue; 747 last_src = *(struct sockaddr *)resp[0]->ai_addr; 748 749 kill.af = resp[0]->ai_family; 750 sources++; 751 752 if (kill.af == AF_INET) 753 kill.src.addr.v.a.addr.v4 = 754 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 755 else if (kill.af == AF_INET6) 756 kill.src.addr.v.a.addr.v6 = 757 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 758 sin6_addr; 759 else 760 errx(1, "Unknown address family %d", kill.af); 761 762 if (state_killers > 1) { 763 dests = 0; 764 memset(&kill.dst.addr.v.a.mask, 0xff, 765 sizeof(kill.dst.addr.v.a.mask)); 766 memset(&last_dst, 0xff, sizeof(last_dst)); 767 pfctl_addrprefix(state_kill[1], 768 &kill.dst.addr.v.a.mask); 769 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, 770 &res[1]))) { 771 errx(1, "getaddrinfo: %s", 772 gai_strerror(ret_ga)); 773 /* NOTREACHED */ 774 } 775 for (resp[1] = res[1]; resp[1]; 776 resp[1] = resp[1]->ai_next) { 777 if (resp[1]->ai_addr == NULL) 778 continue; 779 if (kill.af != resp[1]->ai_family) 780 continue; 781 782 if (memcmp(&last_dst, resp[1]->ai_addr, 783 sizeof(last_dst)) == 0) 784 continue; 785 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 786 787 dests++; 788 789 if (kill.af == AF_INET) 790 kill.dst.addr.v.a.addr.v4 = 791 ((struct sockaddr_in *)resp[1]-> 792 ai_addr)->sin_addr; 793 else if (kill.af == AF_INET6) 794 kill.dst.addr.v.a.addr.v6 = 795 ((struct sockaddr_in6 *)resp[1]-> 796 ai_addr)->sin6_addr; 797 else 798 errx(1, "Unknown address family %d", 799 kill.af); 800 801 if ((ret = pfctl_kill_states_h(pfh, &kill, &newkilled)) != 0) 802 errc(1, ret, "DIOCKILLSTATES"); 803 killed += newkilled; 804 } 805 freeaddrinfo(res[1]); 806 } else { 807 if ((ret = pfctl_kill_states_h(pfh, &kill, &newkilled)) != 0) 808 errc(1, ret, "DIOCKILLSTATES"); 809 killed += newkilled; 810 } 811 } 812 813 freeaddrinfo(res[0]); 814 815 if ((opts & PF_OPT_QUIET) == 0) 816 fprintf(stderr, "killed %d states from %d sources and %d " 817 "destinations\n", killed, sources, dests); 818 return (0); 819 } 820 821 int 822 pfctl_gateway_kill_states(int dev, const char *iface, int opts) 823 { 824 struct pfctl_kill kill; 825 struct addrinfo *res, *resp; 826 struct sockaddr last_src; 827 unsigned int newkilled; 828 int killed = 0; 829 int ret_ga; 830 831 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 832 warnx("no gateway specified"); 833 usage(); 834 } 835 836 memset(&kill, 0, sizeof(kill)); 837 memset(&kill.rt_addr.addr.v.a.mask, 0xff, 838 sizeof(kill.rt_addr.addr.v.a.mask)); 839 memset(&last_src, 0xff, sizeof(last_src)); 840 if (iface != NULL && strlcpy(kill.ifname, iface, 841 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 842 errx(1, "invalid interface: %s", iface); 843 844 if (opts & PF_OPT_KILLMATCH) 845 kill.kill_match = true; 846 847 pfctl_addrprefix(state_kill[1], &kill.rt_addr.addr.v.a.mask); 848 849 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, &res))) { 850 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 851 /* NOTREACHED */ 852 } 853 for (resp = res; resp; resp = resp->ai_next) { 854 if (resp->ai_addr == NULL) 855 continue; 856 /* We get lots of duplicates. Catch the easy ones */ 857 if (memcmp(&last_src, resp->ai_addr, sizeof(last_src)) == 0) 858 continue; 859 last_src = *(struct sockaddr *)resp->ai_addr; 860 861 kill.af = resp->ai_family; 862 863 if (kill.af == AF_INET) 864 kill.rt_addr.addr.v.a.addr.v4 = 865 ((struct sockaddr_in *)resp->ai_addr)->sin_addr; 866 else if (kill.af == AF_INET6) 867 kill.rt_addr.addr.v.a.addr.v6 = 868 ((struct sockaddr_in6 *)resp->ai_addr)-> 869 sin6_addr; 870 else 871 errx(1, "Unknown address family %d", kill.af); 872 873 if (pfctl_kill_states_h(pfh, &kill, &newkilled)) 874 err(1, "DIOCKILLSTATES"); 875 killed += newkilled; 876 } 877 878 freeaddrinfo(res); 879 880 if ((opts & PF_OPT_QUIET) == 0) 881 fprintf(stderr, "killed %d states\n", killed); 882 return (0); 883 } 884 885 int 886 pfctl_label_kill_states(int dev, const char *iface, int opts) 887 { 888 struct pfctl_kill kill; 889 unsigned int killed; 890 int ret; 891 892 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 893 warnx("no label specified"); 894 usage(); 895 } 896 memset(&kill, 0, sizeof(kill)); 897 if (iface != NULL && strlcpy(kill.ifname, iface, 898 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 899 errx(1, "invalid interface: %s", iface); 900 901 if (opts & PF_OPT_KILLMATCH) 902 kill.kill_match = true; 903 904 if (strlcpy(kill.label, state_kill[1], sizeof(kill.label)) >= 905 sizeof(kill.label)) 906 errx(1, "label too long: %s", state_kill[1]); 907 908 if ((ret = pfctl_kill_states_h(pfh, &kill, &killed)) != 0) 909 errc(1, ret, "DIOCKILLSTATES"); 910 911 if ((opts & PF_OPT_QUIET) == 0) 912 fprintf(stderr, "killed %d states\n", killed); 913 914 return (0); 915 } 916 917 int 918 pfctl_id_kill_states(int dev, const char *iface, int opts) 919 { 920 struct pfctl_kill kill; 921 unsigned int killed; 922 int ret; 923 924 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 925 warnx("no id specified"); 926 usage(); 927 } 928 929 memset(&kill, 0, sizeof(kill)); 930 931 if (opts & PF_OPT_KILLMATCH) 932 kill.kill_match = true; 933 934 if ((sscanf(state_kill[1], "%jx/%x", 935 &kill.cmp.id, &kill.cmp.creatorid)) == 2) { 936 } 937 else if ((sscanf(state_kill[1], "%jx", &kill.cmp.id)) == 1) { 938 kill.cmp.creatorid = 0; 939 } else { 940 warnx("wrong id format specified"); 941 usage(); 942 } 943 if (kill.cmp.id == 0) { 944 warnx("cannot kill id 0"); 945 usage(); 946 } 947 948 if ((ret = pfctl_kill_states_h(pfh, &kill, &killed)) != 0) 949 errc(1, ret, "DIOCKILLSTATES"); 950 951 if ((opts & PF_OPT_QUIET) == 0) 952 fprintf(stderr, "killed %d states\n", killed); 953 954 return (0); 955 } 956 957 int 958 pfctl_get_pool(int dev, struct pfctl_pool *pool, u_int32_t nr, 959 u_int32_t ticket, int r_action, char *anchorname, int which) 960 { 961 struct pfioc_pooladdr pp; 962 struct pf_pooladdr *pa; 963 u_int32_t pnr, mpnr; 964 int ret; 965 966 memset(&pp, 0, sizeof(pp)); 967 if ((ret = pfctl_get_addrs(pfh, ticket, nr, r_action, anchorname, &mpnr, which)) != 0) { 968 warnc(ret, "DIOCGETADDRS"); 969 return (-1); 970 } 971 972 TAILQ_INIT(&pool->list); 973 for (pnr = 0; pnr < mpnr; ++pnr) { 974 if ((ret = pfctl_get_addr(pfh, ticket, nr, r_action, anchorname, pnr, &pp, which)) != 0) { 975 warnc(ret, "DIOCGETADDR"); 976 return (-1); 977 } 978 pa = calloc(1, sizeof(struct pf_pooladdr)); 979 if (pa == NULL) 980 err(1, "calloc"); 981 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr)); 982 TAILQ_INSERT_TAIL(&pool->list, pa, entries); 983 } 984 985 return (0); 986 } 987 988 void 989 pfctl_move_pool(struct pfctl_pool *src, struct pfctl_pool *dst) 990 { 991 struct pf_pooladdr *pa; 992 993 while ((pa = TAILQ_FIRST(&src->list)) != NULL) { 994 TAILQ_REMOVE(&src->list, pa, entries); 995 TAILQ_INSERT_TAIL(&dst->list, pa, entries); 996 } 997 } 998 999 void 1000 pfctl_clear_pool(struct pfctl_pool *pool) 1001 { 1002 struct pf_pooladdr *pa; 1003 1004 while ((pa = TAILQ_FIRST(&pool->list)) != NULL) { 1005 TAILQ_REMOVE(&pool->list, pa, entries); 1006 free(pa); 1007 } 1008 } 1009 1010 void 1011 pfctl_print_eth_rule_counters(struct pfctl_eth_rule *rule, int opts) 1012 { 1013 if (opts & PF_OPT_VERBOSE) { 1014 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1015 "Bytes: %-10llu]\n", 1016 (unsigned long long)rule->evaluations, 1017 (unsigned long long)(rule->packets[0] + 1018 rule->packets[1]), 1019 (unsigned long long)(rule->bytes[0] + 1020 rule->bytes[1])); 1021 } 1022 if (opts & PF_OPT_VERBOSE2) { 1023 char timestr[30]; 1024 1025 if (rule->last_active_timestamp != 0) { 1026 bcopy(ctime(&rule->last_active_timestamp), timestr, 1027 sizeof(timestr)); 1028 *strchr(timestr, '\n') = '\0'; 1029 } else { 1030 snprintf(timestr, sizeof(timestr), "N/A"); 1031 } 1032 printf(" [ Last Active Time: %s ]\n", timestr); 1033 } 1034 } 1035 1036 void 1037 pfctl_print_rule_counters(struct pfctl_rule *rule, int opts) 1038 { 1039 if (opts & PF_OPT_DEBUG) { 1040 const char *t[PF_SKIP_COUNT] = { "i", "d", "f", 1041 "p", "sa", "da", "sp", "dp" }; 1042 int i; 1043 1044 printf(" [ Skip steps: "); 1045 for (i = 0; i < PF_SKIP_COUNT; ++i) { 1046 if (rule->skip[i].nr == rule->nr + 1) 1047 continue; 1048 printf("%s=", t[i]); 1049 if (rule->skip[i].nr == -1) 1050 printf("end "); 1051 else 1052 printf("%u ", rule->skip[i].nr); 1053 } 1054 printf("]\n"); 1055 1056 printf(" [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n", 1057 rule->qname, rule->qid, rule->pqname, rule->pqid); 1058 } 1059 if (opts & PF_OPT_VERBOSE) { 1060 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1061 "Bytes: %-10llu States: %-6ju]\n", 1062 (unsigned long long)rule->evaluations, 1063 (unsigned long long)(rule->packets[0] + 1064 rule->packets[1]), 1065 (unsigned long long)(rule->bytes[0] + 1066 rule->bytes[1]), (uintmax_t)rule->states_cur); 1067 printf(" [ Source Nodes: %-6ju " 1068 "Limit: %-6ju " 1069 "NAT/RDR: %-6ju " 1070 "Route: %-6ju " 1071 "]\n", 1072 (uintmax_t)rule->src_nodes, 1073 (uintmax_t)rule->src_nodes_type[PF_SN_LIMIT], 1074 (uintmax_t)rule->src_nodes_type[PF_SN_NAT], 1075 (uintmax_t)rule->src_nodes_type[PF_SN_ROUTE]); 1076 if (!(opts & PF_OPT_DEBUG)) 1077 printf(" [ Inserted: uid %u pid %u " 1078 "State Creations: %-6ju]\n", 1079 (unsigned)rule->cuid, (unsigned)rule->cpid, 1080 (uintmax_t)rule->states_tot); 1081 } 1082 if (opts & PF_OPT_VERBOSE2) { 1083 char timestr[30]; 1084 if (rule->last_active_timestamp != 0) { 1085 bcopy(ctime(&rule->last_active_timestamp), timestr, 1086 sizeof(timestr)); 1087 *strchr(timestr, '\n') = '\0'; 1088 } else { 1089 snprintf(timestr, sizeof(timestr), "N/A"); 1090 } 1091 printf(" [ Last Active Time: %s ]\n", timestr); 1092 } 1093 } 1094 1095 void 1096 pfctl_print_title(char *title) 1097 { 1098 if (!first_title) 1099 printf("\n"); 1100 first_title = 0; 1101 printf("%s\n", title); 1102 } 1103 1104 int 1105 pfctl_show_eth_rules(int dev, char *path, int opts, enum pfctl_show format, 1106 char *anchorname, int depth, int wildcard) 1107 { 1108 char anchor_call[MAXPATHLEN]; 1109 struct pfctl_eth_rules_info info; 1110 struct pfctl_eth_rule rule; 1111 int brace; 1112 int dotitle = opts & PF_OPT_SHOWALL; 1113 int len = strlen(path); 1114 int ret; 1115 char *npath, *p; 1116 1117 /* 1118 * Truncate a trailing / and * on an anchorname before searching for 1119 * the ruleset, this is syntactic sugar that doesn't actually make it 1120 * to the kernel. 1121 */ 1122 if ((p = strrchr(anchorname, '/')) != NULL && 1123 p[1] == '*' && p[2] == '\0') { 1124 p[0] = '\0'; 1125 } 1126 1127 if (anchorname[0] == '/') { 1128 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1129 errx(1, "pfctl_rules: calloc"); 1130 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1131 } else { 1132 if (path[0]) 1133 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1134 else 1135 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1136 npath = path; 1137 } 1138 1139 /* 1140 * If this anchor was called with a wildcard path, go through 1141 * the rulesets in the anchor rather than the rules. 1142 */ 1143 if (wildcard && (opts & PF_OPT_RECURSE)) { 1144 struct pfctl_eth_rulesets_info ri; 1145 u_int32_t mnr, nr; 1146 1147 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, npath)) != 0) { 1148 if (ret == EINVAL) { 1149 fprintf(stderr, "Anchor '%s' " 1150 "not found.\n", anchorname); 1151 } else { 1152 warnc(ret, "DIOCGETETHRULESETS"); 1153 return (-1); 1154 } 1155 } 1156 mnr = ri.nr; 1157 1158 pfctl_print_eth_rule_counters(&rule, opts); 1159 for (nr = 0; nr < mnr; ++nr) { 1160 struct pfctl_eth_ruleset_info rs; 1161 1162 if ((ret = pfctl_get_eth_ruleset(dev, npath, nr, &rs)) != 0) 1163 errc(1, ret, "DIOCGETETHRULESET"); 1164 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1165 printf("anchor \"%s\" all {\n", rs.name); 1166 pfctl_show_eth_rules(dev, npath, opts, 1167 format, rs.name, depth + 1, 0); 1168 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1169 printf("}\n"); 1170 } 1171 path[len] = '\0'; 1172 return (0); 1173 } 1174 1175 if ((ret = pfctl_get_eth_rules_info(dev, &info, path)) != 0) { 1176 warnc(ret, "DIOCGETETHRULES"); 1177 return (-1); 1178 } 1179 for (int nr = 0; nr < info.nr; nr++) { 1180 brace = 0; 1181 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1182 if ((ret = pfctl_get_eth_rule(dev, nr, info.ticket, path, &rule, 1183 opts & PF_OPT_CLRRULECTRS, anchor_call)) != 0) { 1184 warnc(ret, "DIOCGETETHRULE"); 1185 return (-1); 1186 } 1187 if (anchor_call[0] && 1188 ((((p = strrchr(anchor_call, '_')) != NULL) && 1189 (p == anchor_call || 1190 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) { 1191 brace++; 1192 int aclen = strlen(anchor_call); 1193 if (anchor_call[aclen - 1] == '*') 1194 anchor_call[aclen - 2] = '\0'; 1195 } 1196 p = &anchor_call[0]; 1197 if (dotitle) { 1198 pfctl_print_title("ETH RULES:"); 1199 dotitle = 0; 1200 } 1201 print_eth_rule(&rule, anchor_call, 1202 opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1203 if (brace) 1204 printf(" {\n"); 1205 else 1206 printf("\n"); 1207 pfctl_print_eth_rule_counters(&rule, opts); 1208 if (brace) { 1209 pfctl_show_eth_rules(dev, path, opts, format, 1210 p, depth + 1, rule.anchor_wildcard); 1211 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1212 printf("}\n"); 1213 } 1214 } 1215 1216 path[len] = '\0'; 1217 return (0); 1218 } 1219 1220 int 1221 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format, 1222 char *anchorname, int depth, int wildcard) 1223 { 1224 struct pfctl_rules_info ri; 1225 struct pfctl_rule rule; 1226 char anchor_call[MAXPATHLEN]; 1227 u_int32_t nr, header = 0; 1228 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 1229 int numeric = opts & PF_OPT_NUMERIC; 1230 int len = strlen(path), ret = 0; 1231 char *npath, *p; 1232 1233 /* 1234 * Truncate a trailing / and * on an anchorname before searching for 1235 * the ruleset, this is syntactic sugar that doesn't actually make it 1236 * to the kernel. 1237 */ 1238 if ((p = strrchr(anchorname, '/')) != NULL && 1239 p[1] == '*' && p[2] == '\0') { 1240 p[0] = '\0'; 1241 } 1242 1243 if (anchorname[0] == '/') { 1244 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1245 errx(1, "pfctl_rules: calloc"); 1246 strlcpy(npath, anchorname, MAXPATHLEN); 1247 } else { 1248 if (path[0]) 1249 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1250 else 1251 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1252 npath = path; 1253 } 1254 1255 /* 1256 * If this anchor was called with a wildcard path, go through 1257 * the rulesets in the anchor rather than the rules. 1258 */ 1259 if (wildcard && (opts & PF_OPT_RECURSE)) { 1260 struct pfioc_ruleset prs; 1261 u_int32_t mnr, nr; 1262 1263 memset(&prs, 0, sizeof(prs)); 1264 if ((ret = pfctl_get_rulesets(pfh, npath, &mnr)) != 0) { 1265 if (ret == EINVAL) 1266 fprintf(stderr, "Anchor '%s' " 1267 "not found.\n", anchorname); 1268 else 1269 errc(1, ret, "DIOCGETRULESETS"); 1270 } 1271 1272 pfctl_print_rule_counters(&rule, opts); 1273 for (nr = 0; nr < mnr; ++nr) { 1274 if ((ret = pfctl_get_ruleset(pfh, npath, nr, &prs)) != 0) 1275 errc(1, ret, "DIOCGETRULESET"); 1276 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1277 printf("anchor \"%s\" all {\n", prs.name); 1278 pfctl_show_rules(dev, npath, opts, 1279 format, prs.name, depth + 1, 0); 1280 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1281 printf("}\n"); 1282 } 1283 path[len] = '\0'; 1284 return (0); 1285 } 1286 1287 if (opts & PF_OPT_SHOWALL) { 1288 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1289 if (ret != 0) { 1290 warnc(ret, "DIOCGETRULES"); 1291 goto error; 1292 } 1293 header++; 1294 } 1295 ret = pfctl_get_rules_info_h(pfh, &ri, PF_SCRUB, path); 1296 if (ret != 0) { 1297 warnc(ret, "DIOCGETRULES"); 1298 goto error; 1299 } 1300 if (opts & PF_OPT_SHOWALL) { 1301 if (format == PFCTL_SHOW_RULES && (ri.nr > 0 || header)) 1302 pfctl_print_title("FILTER RULES:"); 1303 else if (format == PFCTL_SHOW_LABELS && labels) 1304 pfctl_print_title("LABEL COUNTERS:"); 1305 } 1306 1307 for (nr = 0; nr < ri.nr; ++nr) { 1308 if ((ret = pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_SCRUB, 1309 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) != 0) { 1310 warnc(ret, "DIOCGETRULENV"); 1311 goto error; 1312 } 1313 1314 if (pfctl_get_pool(dev, &rule.rdr, 1315 nr, ri.ticket, PF_SCRUB, path, PF_RDR) != 0) 1316 goto error; 1317 1318 if (pfctl_get_pool(dev, &rule.nat, 1319 nr, ri.ticket, PF_SCRUB, path, PF_NAT) != 0) 1320 goto error; 1321 1322 if (pfctl_get_pool(dev, &rule.route, 1323 nr, ri.ticket, PF_SCRUB, path, PF_RT) != 0) 1324 goto error; 1325 1326 switch (format) { 1327 case PFCTL_SHOW_LABELS: 1328 break; 1329 case PFCTL_SHOW_RULES: 1330 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1331 labels = 1; 1332 print_rule(&rule, anchor_call, rule_numbers, numeric); 1333 printf("\n"); 1334 pfctl_print_rule_counters(&rule, opts); 1335 break; 1336 case PFCTL_SHOW_NOTHING: 1337 break; 1338 } 1339 pfctl_clear_pool(&rule.rdr); 1340 pfctl_clear_pool(&rule.nat); 1341 pfctl_clear_pool(&rule.route); 1342 } 1343 ret = pfctl_get_rules_info_h(pfh, &ri, PF_PASS, path); 1344 if (ret != 0) { 1345 warnc(ret, "DIOCGETRULES"); 1346 goto error; 1347 } 1348 for (nr = 0; nr < ri.nr; ++nr) { 1349 if ((ret = pfctl_get_clear_rule_h(pfh, nr, ri.ticket, path, PF_PASS, 1350 &rule, anchor_call, opts & PF_OPT_CLRRULECTRS)) != 0) { 1351 warnc(ret, "DIOCGETRULE"); 1352 goto error; 1353 } 1354 1355 if (pfctl_get_pool(dev, &rule.rdr, 1356 nr, ri.ticket, PF_PASS, path, PF_RDR) != 0) 1357 goto error; 1358 1359 if (pfctl_get_pool(dev, &rule.nat, 1360 nr, ri.ticket, PF_PASS, path, PF_NAT) != 0) 1361 goto error; 1362 1363 if (pfctl_get_pool(dev, &rule.route, 1364 nr, ri.ticket, PF_PASS, path, PF_RT) != 0) 1365 goto error; 1366 1367 switch (format) { 1368 case PFCTL_SHOW_LABELS: { 1369 bool show = false; 1370 int i = 0; 1371 1372 while (rule.label[i][0]) { 1373 printf("%s ", rule.label[i++]); 1374 show = true; 1375 } 1376 1377 if (show) { 1378 printf("%llu %llu %llu %llu" 1379 " %llu %llu %llu %ju\n", 1380 (unsigned long long)rule.evaluations, 1381 (unsigned long long)(rule.packets[0] + 1382 rule.packets[1]), 1383 (unsigned long long)(rule.bytes[0] + 1384 rule.bytes[1]), 1385 (unsigned long long)rule.packets[0], 1386 (unsigned long long)rule.bytes[0], 1387 (unsigned long long)rule.packets[1], 1388 (unsigned long long)rule.bytes[1], 1389 (uintmax_t)rule.states_tot); 1390 } 1391 1392 if (anchor_call[0] && 1393 (((p = strrchr(anchor_call, '/')) ? 1394 p[1] == '_' : anchor_call[0] == '_') || 1395 opts & PF_OPT_RECURSE)) { 1396 pfctl_show_rules(dev, npath, opts, format, 1397 anchor_call, depth, rule.anchor_wildcard); 1398 } 1399 break; 1400 } 1401 case PFCTL_SHOW_RULES: 1402 if (rule.label[0][0] && (opts & PF_OPT_SHOWALL)) 1403 labels = 1; 1404 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1405 print_rule(&rule, anchor_call, rule_numbers, numeric); 1406 1407 /* 1408 * If this is a 'unnamed' brace notation 1409 * anchor, OR the user has explicitly requested 1410 * recursion, print it recursively. 1411 */ 1412 if (anchor_call[0] && 1413 (((p = strrchr(anchor_call, '/')) ? 1414 p[1] == '_' : anchor_call[0] == '_') || 1415 opts & PF_OPT_RECURSE)) { 1416 printf(" {\n"); 1417 pfctl_print_rule_counters(&rule, opts); 1418 pfctl_show_rules(dev, npath, opts, format, 1419 anchor_call, depth + 1, 1420 rule.anchor_wildcard); 1421 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1422 printf("}\n"); 1423 } else { 1424 printf("\n"); 1425 pfctl_print_rule_counters(&rule, opts); 1426 } 1427 break; 1428 case PFCTL_SHOW_NOTHING: 1429 break; 1430 } 1431 pfctl_clear_pool(&rule.rdr); 1432 pfctl_clear_pool(&rule.nat); 1433 } 1434 1435 error: 1436 path[len] = '\0'; 1437 return (ret); 1438 } 1439 1440 int 1441 pfctl_show_nat(int dev, char *path, int opts, char *anchorname, int depth, 1442 int wildcard) 1443 { 1444 struct pfctl_rules_info ri; 1445 struct pfctl_rule rule; 1446 char anchor_call[MAXPATHLEN]; 1447 u_int32_t nr; 1448 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT }; 1449 int i, dotitle = opts & PF_OPT_SHOWALL; 1450 int ret; 1451 int len = strlen(path); 1452 char *npath, *p; 1453 1454 /* 1455 * Truncate a trailing / and * on an anchorname before searching for 1456 * the ruleset, this is syntactic sugar that doesn't actually make it 1457 * to the kernel. 1458 */ 1459 if ((p = strrchr(anchorname, '/')) != NULL && 1460 p[1] == '*' && p[2] == '\0') { 1461 p[0] = '\0'; 1462 } 1463 1464 if (anchorname[0] == '/') { 1465 if ((npath = calloc(1, MAXPATHLEN)) == NULL) 1466 errx(1, "pfctl_rules: calloc"); 1467 snprintf(npath, MAXPATHLEN, "%s", anchorname); 1468 } else { 1469 if (path[0]) 1470 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1471 else 1472 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1473 npath = path; 1474 } 1475 1476 /* 1477 * If this anchor was called with a wildcard path, go through 1478 * the rulesets in the anchor rather than the rules. 1479 */ 1480 if (wildcard && (opts & PF_OPT_RECURSE)) { 1481 struct pfioc_ruleset prs; 1482 u_int32_t mnr, nr; 1483 memset(&prs, 0, sizeof(prs)); 1484 if ((ret = pfctl_get_rulesets(pfh, npath, &mnr)) != 0) { 1485 if (ret == EINVAL) 1486 fprintf(stderr, "NAT anchor '%s' " 1487 "not found.\n", anchorname); 1488 else 1489 errc(1, ret, "DIOCGETRULESETS"); 1490 } 1491 1492 pfctl_print_rule_counters(&rule, opts); 1493 for (nr = 0; nr < mnr; ++nr) { 1494 if ((ret = pfctl_get_ruleset(pfh, npath, nr, &prs)) != 0) 1495 errc(1, ret, "DIOCGETRULESET"); 1496 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1497 printf("nat-anchor \"%s\" all {\n", prs.name); 1498 pfctl_show_nat(dev, npath, opts, 1499 prs.name, depth + 1, 0); 1500 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1501 printf("}\n"); 1502 } 1503 path[len] = '\0'; 1504 return (0); 1505 } 1506 1507 for (i = 0; i < 3; i++) { 1508 ret = pfctl_get_rules_info_h(pfh, &ri, nattype[i], path); 1509 if (ret != 0) { 1510 warnc(ret, "DIOCGETRULES"); 1511 return (-1); 1512 } 1513 for (nr = 0; nr < ri.nr; ++nr) { 1514 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1515 1516 if ((ret = pfctl_get_rule_h(pfh, nr, ri.ticket, path, 1517 nattype[i], &rule, anchor_call)) != 0) { 1518 warnc(ret, "DIOCGETRULE"); 1519 return (-1); 1520 } 1521 if (pfctl_get_pool(dev, &rule.rdr, nr, 1522 ri.ticket, nattype[i], path, PF_RDR) != 0) 1523 return (-1); 1524 if (pfctl_get_pool(dev, &rule.nat, nr, 1525 ri.ticket, nattype[i], path, PF_NAT) != 0) 1526 return (-1); 1527 if (pfctl_get_pool(dev, &rule.route, nr, 1528 ri.ticket, nattype[i], path, PF_RT) != 0) 1529 return (-1); 1530 1531 if (dotitle) { 1532 pfctl_print_title("TRANSLATION RULES:"); 1533 dotitle = 0; 1534 } 1535 print_rule(&rule, anchor_call, 1536 opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC); 1537 if (anchor_call[0] && 1538 (((p = strrchr(anchor_call, '/')) ? 1539 p[1] == '_' : anchor_call[0] == '_') || 1540 opts & PF_OPT_RECURSE)) { 1541 printf(" {\n"); 1542 pfctl_print_rule_counters(&rule, opts); 1543 pfctl_show_nat(dev, npath, opts, anchor_call, 1544 depth + 1, rule.anchor_wildcard); 1545 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1546 printf("}\n"); 1547 } else { 1548 printf("\n"); 1549 pfctl_print_rule_counters(&rule, opts); 1550 } 1551 } 1552 } 1553 return (0); 1554 } 1555 1556 static int 1557 pfctl_print_src_node(struct pfctl_src_node *sn, void *arg) 1558 { 1559 int *opts = (int *)arg; 1560 1561 if (*opts & PF_OPT_SHOWALL) { 1562 pfctl_print_title("SOURCE TRACKING NODES:"); 1563 *opts &= ~PF_OPT_SHOWALL; 1564 } 1565 1566 print_src_node(sn, *opts); 1567 1568 return (0); 1569 } 1570 1571 int 1572 pfctl_show_src_nodes(int dev, int opts) 1573 { 1574 int error; 1575 1576 error = pfctl_get_srcnodes(pfh, pfctl_print_src_node, &opts); 1577 1578 return (error); 1579 } 1580 1581 struct pfctl_show_state_arg { 1582 int opts; 1583 int dotitle; 1584 const char *iface; 1585 }; 1586 1587 static int 1588 pfctl_show_state(struct pfctl_state *s, void *arg) 1589 { 1590 struct pfctl_show_state_arg *a = (struct pfctl_show_state_arg *)arg; 1591 1592 if (a->dotitle) { 1593 pfctl_print_title("STATES:"); 1594 a->dotitle = 0; 1595 } 1596 print_state(s, a->opts); 1597 1598 return (0); 1599 } 1600 1601 int 1602 pfctl_show_states(int dev, const char *iface, int opts) 1603 { 1604 struct pfctl_show_state_arg arg; 1605 struct pfctl_state_filter filter = {}; 1606 1607 if (iface != NULL) 1608 strncpy(filter.ifname, iface, IFNAMSIZ); 1609 1610 arg.opts = opts; 1611 arg.dotitle = opts & PF_OPT_SHOWALL; 1612 arg.iface = iface; 1613 1614 if (pfctl_get_filtered_states_iter(&filter, pfctl_show_state, &arg)) 1615 return (-1); 1616 1617 return (0); 1618 } 1619 1620 int 1621 pfctl_show_status(int dev, int opts) 1622 { 1623 struct pfctl_status *status; 1624 struct pfctl_syncookies cookies; 1625 int ret; 1626 1627 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1628 warn("DIOCGETSTATUS"); 1629 return (-1); 1630 } 1631 if ((ret = pfctl_get_syncookies(dev, &cookies)) != 0) { 1632 pfctl_free_status(status); 1633 warnc(ret, "DIOCGETSYNCOOKIES"); 1634 return (-1); 1635 } 1636 if (opts & PF_OPT_SHOWALL) 1637 pfctl_print_title("INFO:"); 1638 print_status(status, &cookies, opts); 1639 pfctl_free_status(status); 1640 return (0); 1641 } 1642 1643 int 1644 pfctl_show_running(int dev) 1645 { 1646 struct pfctl_status *status; 1647 int running; 1648 1649 if ((status = pfctl_get_status_h(pfh)) == NULL) { 1650 warn("DIOCGETSTATUS"); 1651 return (-1); 1652 } 1653 1654 running = status->running; 1655 1656 print_running(status); 1657 pfctl_free_status(status); 1658 return (!running); 1659 } 1660 1661 int 1662 pfctl_show_timeouts(int dev, int opts) 1663 { 1664 uint32_t seconds; 1665 int i; 1666 int ret; 1667 1668 if (opts & PF_OPT_SHOWALL) 1669 pfctl_print_title("TIMEOUTS:"); 1670 for (i = 0; pf_timeouts[i].name; i++) { 1671 if ((ret = pfctl_get_timeout(pfh, pf_timeouts[i].timeout, &seconds)) != 0) 1672 errc(1, ret, "DIOCGETTIMEOUT"); 1673 printf("%-20s %10d", pf_timeouts[i].name, seconds); 1674 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START && 1675 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END) 1676 printf(" states"); 1677 else 1678 printf("s"); 1679 printf("\n"); 1680 } 1681 return (0); 1682 1683 } 1684 1685 int 1686 pfctl_show_limits(int dev, int opts) 1687 { 1688 unsigned int limit; 1689 int i; 1690 int ret; 1691 1692 if (opts & PF_OPT_SHOWALL) 1693 pfctl_print_title("LIMITS:"); 1694 for (i = 0; pf_limits[i].name; i++) { 1695 if ((ret = pfctl_get_limit(pfh, pf_limits[i].index, &limit)) != 0) 1696 errc(1, ret, "DIOCGETLIMIT"); 1697 printf("%-13s ", pf_limits[i].name); 1698 if (limit == UINT_MAX) 1699 printf("unlimited\n"); 1700 else 1701 printf("hard limit %8u\n", limit); 1702 } 1703 return (0); 1704 } 1705 1706 void 1707 pfctl_show_creators(int opts) 1708 { 1709 int ret; 1710 uint32_t creators[16]; 1711 size_t count = nitems(creators); 1712 1713 ret = pfctl_get_creatorids(pfh, creators, &count); 1714 if (ret != 0) 1715 errx(ret, "Failed to retrieve creators"); 1716 1717 printf("Creator IDs:\n"); 1718 for (size_t i = 0; i < count; i++) 1719 printf("%08x\n", creators[i]); 1720 } 1721 1722 /* callbacks for rule/nat/rdr/addr */ 1723 int 1724 pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af, int which) 1725 { 1726 struct pf_pooladdr *pa; 1727 int ret; 1728 1729 pf->paddr.af = af; 1730 TAILQ_FOREACH(pa, &p->list, entries) { 1731 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr)); 1732 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1733 if ((ret = pfctl_add_addr(pf->h, &pf->paddr, which)) != 0) 1734 errc(1, ret, "DIOCADDADDR"); 1735 } 1736 } 1737 return (0); 1738 } 1739 1740 int 1741 pfctl_append_rule(struct pfctl *pf, struct pfctl_rule *r, 1742 const char *anchor_call) 1743 { 1744 u_int8_t rs_num; 1745 struct pfctl_rule *rule; 1746 struct pfctl_ruleset *rs; 1747 char *p; 1748 1749 rs_num = pf_get_ruleset_number(r->action); 1750 if (rs_num == PF_RULESET_MAX) 1751 errx(1, "Invalid rule type %d", r->action); 1752 1753 rs = &pf->anchor->ruleset; 1754 1755 if (anchor_call[0] && r->anchor == NULL) { 1756 /* 1757 * Don't make non-brace anchors part of the main anchor pool. 1758 */ 1759 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1760 err(1, "pfctl_append_rule: calloc"); 1761 1762 pf_init_ruleset(&r->anchor->ruleset); 1763 r->anchor->ruleset.anchor = r->anchor; 1764 if (strlcpy(r->anchor->path, anchor_call, 1765 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1766 errx(1, "pfctl_append_rule: strlcpy"); 1767 if ((p = strrchr(anchor_call, '/')) != NULL) { 1768 if (!strlen(p)) 1769 err(1, "pfctl_append_rule: bad anchor name %s", 1770 anchor_call); 1771 } else 1772 p = (char *)anchor_call; 1773 if (strlcpy(r->anchor->name, p, 1774 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1775 errx(1, "pfctl_append_rule: strlcpy"); 1776 } 1777 1778 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1779 err(1, "calloc"); 1780 bcopy(r, rule, sizeof(*rule)); 1781 TAILQ_INIT(&rule->rdr.list); 1782 pfctl_move_pool(&r->rdr, &rule->rdr); 1783 TAILQ_INIT(&rule->nat.list); 1784 pfctl_move_pool(&r->nat, &rule->nat); 1785 TAILQ_INIT(&rule->route.list); 1786 pfctl_move_pool(&r->route, &rule->route); 1787 1788 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries); 1789 return (0); 1790 } 1791 1792 int 1793 pfctl_append_eth_rule(struct pfctl *pf, struct pfctl_eth_rule *r, 1794 const char *anchor_call) 1795 { 1796 struct pfctl_eth_rule *rule; 1797 struct pfctl_eth_ruleset *rs; 1798 char *p; 1799 1800 rs = &pf->eanchor->ruleset; 1801 1802 if (anchor_call[0] && r->anchor == NULL) { 1803 /* 1804 * Don't make non-brace anchors part of the main anchor pool. 1805 */ 1806 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1807 err(1, "pfctl_append_rule: calloc"); 1808 1809 pf_init_eth_ruleset(&r->anchor->ruleset); 1810 r->anchor->ruleset.anchor = r->anchor; 1811 if (strlcpy(r->anchor->path, anchor_call, 1812 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1813 errx(1, "pfctl_append_rule: strlcpy"); 1814 if ((p = strrchr(anchor_call, '/')) != NULL) { 1815 if (!strlen(p)) 1816 err(1, "pfctl_append_eth_rule: bad anchor name %s", 1817 anchor_call); 1818 } else 1819 p = (char *)anchor_call; 1820 if (strlcpy(r->anchor->name, p, 1821 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1822 errx(1, "pfctl_append_eth_rule: strlcpy"); 1823 } 1824 1825 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1826 err(1, "calloc"); 1827 bcopy(r, rule, sizeof(*rule)); 1828 1829 TAILQ_INSERT_TAIL(&rs->rules, rule, entries); 1830 return (0); 1831 } 1832 1833 int 1834 pfctl_eth_ruleset_trans(struct pfctl *pf, char *path, 1835 struct pfctl_eth_anchor *a) 1836 { 1837 int osize = pf->trans->pfrb_size; 1838 1839 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0) { 1840 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1841 return (1); 1842 } 1843 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1844 return (5); 1845 1846 return (0); 1847 } 1848 1849 int 1850 pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pfctl_anchor *a, bool do_eth) 1851 { 1852 int osize = pf->trans->pfrb_size; 1853 1854 if ((pf->loadopt & PFCTL_FLAG_ETH) != 0 && do_eth) { 1855 if (pfctl_add_trans(pf->trans, PF_RULESET_ETH, path)) 1856 return (1); 1857 } 1858 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) { 1859 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) || 1860 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) || 1861 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path)) 1862 return (1); 1863 } 1864 if (a == pf->astack[0] && ((altqsupport && 1865 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) { 1866 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path)) 1867 return (2); 1868 } 1869 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) { 1870 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) || 1871 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path)) 1872 return (3); 1873 } 1874 if (pf->loadopt & PFCTL_FLAG_TABLE) 1875 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path)) 1876 return (4); 1877 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1878 return (5); 1879 1880 return (0); 1881 } 1882 1883 int 1884 pfctl_load_eth_ruleset(struct pfctl *pf, char *path, 1885 struct pfctl_eth_ruleset *rs, int depth) 1886 { 1887 struct pfctl_eth_rule *r; 1888 int error, len = strlen(path); 1889 int brace = 0; 1890 1891 pf->eanchor = rs->anchor; 1892 if (path[0]) 1893 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->eanchor->name); 1894 else 1895 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->eanchor->name); 1896 1897 if (depth) { 1898 if (TAILQ_FIRST(&rs->rules) != NULL) { 1899 brace++; 1900 if (pf->opts & PF_OPT_VERBOSE) 1901 printf(" {\n"); 1902 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1903 (error = pfctl_eth_ruleset_trans(pf, 1904 path, rs->anchor))) { 1905 printf("pfctl_load_eth_rulesets: " 1906 "pfctl_eth_ruleset_trans %d\n", error); 1907 goto error; 1908 } 1909 } else if (pf->opts & PF_OPT_VERBOSE) 1910 printf("\n"); 1911 } 1912 1913 while ((r = TAILQ_FIRST(&rs->rules)) != NULL) { 1914 TAILQ_REMOVE(&rs->rules, r, entries); 1915 1916 error = pfctl_load_eth_rule(pf, path, r, depth); 1917 if (error) 1918 return (error); 1919 1920 if (r->anchor) { 1921 if ((error = pfctl_load_eth_ruleset(pf, path, 1922 &r->anchor->ruleset, depth + 1))) 1923 return (error); 1924 } else if (pf->opts & PF_OPT_VERBOSE) 1925 printf("\n"); 1926 free(r); 1927 } 1928 if (brace && pf->opts & PF_OPT_VERBOSE) { 1929 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 1930 printf("}\n"); 1931 } 1932 path[len] = '\0'; 1933 1934 return (0); 1935 error: 1936 path[len] = '\0'; 1937 return (error); 1938 } 1939 1940 int 1941 pfctl_load_eth_rule(struct pfctl *pf, char *path, struct pfctl_eth_rule *r, 1942 int depth) 1943 { 1944 char *name; 1945 char anchor[PF_ANCHOR_NAME_SIZE]; 1946 int len = strlen(path); 1947 int ret; 1948 1949 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 1950 errx(1, "pfctl_load_eth_rule: strlcpy"); 1951 1952 if (r->anchor) { 1953 if (r->anchor->match) { 1954 if (path[0]) 1955 snprintf(&path[len], MAXPATHLEN - len, 1956 "/%s", r->anchor->name); 1957 else 1958 snprintf(&path[len], MAXPATHLEN - len, 1959 "%s", r->anchor->name); 1960 name = r->anchor->name; 1961 } else 1962 name = r->anchor->path; 1963 } else 1964 name = ""; 1965 1966 if ((pf->opts & PF_OPT_NOACTION) == 0) 1967 if ((ret = pfctl_add_eth_rule(pf->dev, r, anchor, name, 1968 pf->eth_ticket)) != 0) 1969 errc(1, ret, "DIOCADDETHRULENV"); 1970 1971 if (pf->opts & PF_OPT_VERBOSE) { 1972 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 1973 print_eth_rule(r, r->anchor ? r->anchor->name : "", 1974 pf->opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG)); 1975 } 1976 1977 path[len] = '\0'; 1978 1979 return (0); 1980 } 1981 1982 int 1983 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs, 1984 int rs_num, int depth) 1985 { 1986 struct pfctl_rule *r; 1987 int error, len = strlen(path); 1988 int brace = 0; 1989 1990 pf->anchor = rs->anchor; 1991 1992 if (path[0]) 1993 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name); 1994 else 1995 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name); 1996 1997 if (depth) { 1998 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) { 1999 brace++; 2000 if (pf->opts & PF_OPT_VERBOSE) 2001 printf(" {\n"); 2002 if ((pf->opts & PF_OPT_NOACTION) == 0 && 2003 (error = pfctl_ruleset_trans(pf, 2004 path, rs->anchor, false))) { 2005 printf("pfctl_load_rulesets: " 2006 "pfctl_ruleset_trans %d\n", error); 2007 goto error; 2008 } 2009 } else if (pf->opts & PF_OPT_VERBOSE) 2010 printf("\n"); 2011 2012 } 2013 2014 if (pf->optimize && rs_num == PF_RULESET_FILTER) 2015 pfctl_optimize_ruleset(pf, rs); 2016 2017 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) { 2018 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries); 2019 2020 for (int i = 0; i < PF_RULE_MAX_LABEL_COUNT; i++) 2021 expand_label(r->label[i], PF_RULE_LABEL_SIZE, r); 2022 expand_label(r->tagname, PF_TAG_NAME_SIZE, r); 2023 expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r); 2024 2025 if ((error = pfctl_load_rule(pf, path, r, depth))) 2026 goto error; 2027 if (r->anchor) { 2028 if ((error = pfctl_load_ruleset(pf, path, 2029 &r->anchor->ruleset, rs_num, depth + 1))) 2030 goto error; 2031 } else if (pf->opts & PF_OPT_VERBOSE) 2032 printf("\n"); 2033 free(r); 2034 } 2035 if (brace && pf->opts & PF_OPT_VERBOSE) { 2036 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 2037 printf("}\n"); 2038 } 2039 path[len] = '\0'; 2040 return (0); 2041 2042 error: 2043 path[len] = '\0'; 2044 return (error); 2045 2046 } 2047 2048 int 2049 pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth) 2050 { 2051 u_int8_t rs_num = pf_get_ruleset_number(r->action); 2052 char *name; 2053 u_int32_t ticket; 2054 char anchor[PF_ANCHOR_NAME_SIZE]; 2055 int len = strlen(path); 2056 int error; 2057 bool was_present; 2058 2059 /* set up anchor before adding to path for anchor_call */ 2060 if ((pf->opts & PF_OPT_NOACTION) == 0) 2061 ticket = pfctl_get_ticket(pf->trans, rs_num, path); 2062 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 2063 errx(1, "pfctl_load_rule: strlcpy"); 2064 2065 if (r->anchor) { 2066 if (r->anchor->match) { 2067 if (path[0]) 2068 snprintf(&path[len], MAXPATHLEN - len, 2069 "/%s", r->anchor->name); 2070 else 2071 snprintf(&path[len], MAXPATHLEN - len, 2072 "%s", r->anchor->name); 2073 name = r->anchor->name; 2074 } else 2075 name = r->anchor->path; 2076 } else 2077 name = ""; 2078 2079 was_present = false; 2080 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2081 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2082 if ((error = pfctl_begin_addrs(pf->h, 2083 &pf->paddr.ticket)) != 0) 2084 errc(1, error, "DIOCBEGINADDRS"); 2085 } 2086 2087 if (pfctl_add_pool(pf, &r->rdr, r->af, PF_RDR)) 2088 return (1); 2089 if (pfctl_add_pool(pf, &r->nat, r->naf ? r->naf : r->af, PF_NAT)) 2090 return (1); 2091 if (pfctl_add_pool(pf, &r->route, r->af, PF_RT)) 2092 return (1); 2093 error = pfctl_add_rule_h(pf->h, r, anchor, name, ticket, 2094 pf->paddr.ticket); 2095 switch (error) { 2096 case 0: 2097 /* things worked, do nothing */ 2098 break; 2099 case EEXIST: 2100 /* an identical rule is already present */ 2101 was_present = true; 2102 break; 2103 default: 2104 errc(1, error, "DIOCADDRULE"); 2105 } 2106 } 2107 2108 if (pf->opts & PF_OPT_VERBOSE) { 2109 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 2110 print_rule(r, name, 2111 pf->opts & PF_OPT_VERBOSE2, 2112 pf->opts & PF_OPT_NUMERIC); 2113 if (was_present) 2114 printf(" -- rule was already present"); 2115 } 2116 path[len] = '\0'; 2117 pfctl_clear_pool(&r->rdr); 2118 pfctl_clear_pool(&r->nat); 2119 return (0); 2120 } 2121 2122 int 2123 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a) 2124 { 2125 if (altqsupport && 2126 (loadopt & PFCTL_FLAG_ALTQ) != 0) { 2127 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq)); 2128 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2129 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) { 2130 if (errno == ENXIO) 2131 errx(1, "qtype not configured"); 2132 else if (errno == ENODEV) 2133 errx(1, "%s: driver does not support " 2134 "altq", a->ifname); 2135 else 2136 err(1, "DIOCADDALTQ"); 2137 } 2138 } 2139 pfaltq_store(&pf->paltq->altq); 2140 } 2141 return (0); 2142 } 2143 2144 int 2145 pfctl_rules(int dev, char *filename, int opts, int optimize, 2146 char *anchorname, struct pfr_buffer *trans) 2147 { 2148 #define ERR(x) do { warn(x); goto _error; } while(0) 2149 #define ERRX(x) do { warnx(x); goto _error; } while(0) 2150 2151 struct pfr_buffer *t, buf; 2152 struct pfioc_altq pa; 2153 struct pfctl pf; 2154 struct pfctl_ruleset *rs; 2155 struct pfctl_eth_ruleset *ethrs; 2156 struct pfr_table trs; 2157 char *path; 2158 int osize; 2159 2160 RB_INIT(&pf_anchors); 2161 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor)); 2162 pf_init_ruleset(&pf_main_anchor.ruleset); 2163 pf_main_anchor.ruleset.anchor = &pf_main_anchor; 2164 2165 memset(&pf_eth_main_anchor, 0, sizeof(pf_eth_main_anchor)); 2166 pf_init_eth_ruleset(&pf_eth_main_anchor.ruleset); 2167 pf_eth_main_anchor.ruleset.anchor = &pf_eth_main_anchor; 2168 2169 if (trans == NULL) { 2170 bzero(&buf, sizeof(buf)); 2171 buf.pfrb_type = PFRB_TRANS; 2172 t = &buf; 2173 osize = 0; 2174 } else { 2175 t = trans; 2176 osize = t->pfrb_size; 2177 } 2178 2179 memset(&pa, 0, sizeof(pa)); 2180 pa.version = PFIOC_ALTQ_VERSION; 2181 memset(&pf, 0, sizeof(pf)); 2182 memset(&trs, 0, sizeof(trs)); 2183 if ((path = calloc(1, MAXPATHLEN)) == NULL) 2184 ERRX("pfctl_rules: calloc"); 2185 if (strlcpy(trs.pfrt_anchor, anchorname, 2186 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor)) 2187 ERRX("pfctl_rules: strlcpy"); 2188 pf.dev = dev; 2189 pf.h = pfh; 2190 pf.opts = opts; 2191 pf.optimize = optimize; 2192 pf.loadopt = loadopt; 2193 2194 /* non-brace anchor, create without resolving the path */ 2195 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL) 2196 ERRX("pfctl_rules: calloc"); 2197 rs = &pf.anchor->ruleset; 2198 pf_init_ruleset(rs); 2199 rs->anchor = pf.anchor; 2200 if (strlcpy(pf.anchor->path, anchorname, 2201 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path)) 2202 errx(1, "pfctl_rules: strlcpy"); 2203 if (strlcpy(pf.anchor->name, anchorname, 2204 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name)) 2205 errx(1, "pfctl_rules: strlcpy"); 2206 2207 2208 pf.astack[0] = pf.anchor; 2209 pf.asd = 0; 2210 if (anchorname[0]) 2211 pf.loadopt &= ~PFCTL_FLAG_ALTQ; 2212 pf.paltq = &pa; 2213 pf.trans = t; 2214 pfctl_init_options(&pf); 2215 2216 /* Set up ethernet anchor */ 2217 if ((pf.eanchor = calloc(1, sizeof(*pf.eanchor))) == NULL) 2218 ERRX("pfctl_rules: calloc"); 2219 2220 if (strlcpy(pf.eanchor->path, anchorname, 2221 sizeof(pf.eanchor->path)) >= sizeof(pf.eanchor->path)) 2222 errx(1, "pfctl_rules: strlcpy"); 2223 if (strlcpy(pf.eanchor->name, anchorname, 2224 sizeof(pf.eanchor->name)) >= sizeof(pf.eanchor->name)) 2225 errx(1, "pfctl_rules: strlcpy"); 2226 2227 ethrs = &pf.eanchor->ruleset; 2228 pf_init_eth_ruleset(ethrs); 2229 ethrs->anchor = pf.eanchor; 2230 pf.eastack[0] = pf.eanchor; 2231 2232 if ((opts & PF_OPT_NOACTION) == 0) { 2233 /* 2234 * XXX For the time being we need to open transactions for 2235 * the main ruleset before parsing, because tables are still 2236 * loaded at parse time. 2237 */ 2238 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor, true)) 2239 ERRX("pfctl_rules"); 2240 if (pf.loadopt & PFCTL_FLAG_ETH) 2241 pf.eth_ticket = pfctl_get_ticket(t, PF_RULESET_ETH, anchorname); 2242 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ)) 2243 pa.ticket = 2244 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname); 2245 if (pf.loadopt & PFCTL_FLAG_TABLE) 2246 pf.astack[0]->ruleset.tticket = 2247 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname); 2248 } 2249 2250 if (parse_config(filename, &pf) < 0) { 2251 if ((opts & PF_OPT_NOACTION) == 0) 2252 ERRX("Syntax error in config file: " 2253 "pf rules not loaded"); 2254 else 2255 goto _error; 2256 } 2257 if (loadopt & PFCTL_FLAG_OPTION) 2258 pfctl_adjust_skip_ifaces(&pf); 2259 2260 if ((pf.loadopt & PFCTL_FLAG_FILTER && 2261 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) || 2262 (pf.loadopt & PFCTL_FLAG_ETH && 2263 (pfctl_load_eth_ruleset(&pf, path, ethrs, 0))) || 2264 (pf.loadopt & PFCTL_FLAG_NAT && 2265 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) || 2266 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) || 2267 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) || 2268 (pf.loadopt & PFCTL_FLAG_FILTER && 2269 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) { 2270 if ((opts & PF_OPT_NOACTION) == 0) 2271 ERRX("Unable to load rules into kernel"); 2272 else 2273 goto _error; 2274 } 2275 2276 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0)) 2277 if (check_commit_altq(dev, opts) != 0) 2278 ERRX("errors in altq config"); 2279 2280 /* process "load anchor" directives */ 2281 if (!anchorname[0]) 2282 if (pfctl_load_anchors(dev, &pf, t) == -1) 2283 ERRX("load anchors"); 2284 2285 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) { 2286 if (!anchorname[0]) 2287 if (pfctl_load_options(&pf)) 2288 goto _error; 2289 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize)) 2290 ERR("DIOCXCOMMIT"); 2291 } 2292 free(path); 2293 return (0); 2294 2295 _error: 2296 if (trans == NULL) { /* main ruleset */ 2297 if ((opts & PF_OPT_NOACTION) == 0) 2298 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize)) 2299 err(1, "DIOCXROLLBACK"); 2300 exit(1); 2301 } else { /* sub ruleset */ 2302 free(path); 2303 return (-1); 2304 } 2305 2306 #undef ERR 2307 #undef ERRX 2308 } 2309 2310 FILE * 2311 pfctl_fopen(const char *name, const char *mode) 2312 { 2313 struct stat st; 2314 FILE *fp; 2315 2316 fp = fopen(name, mode); 2317 if (fp == NULL) 2318 return (NULL); 2319 if (fstat(fileno(fp), &st)) { 2320 fclose(fp); 2321 return (NULL); 2322 } 2323 if (S_ISDIR(st.st_mode)) { 2324 fclose(fp); 2325 errno = EISDIR; 2326 return (NULL); 2327 } 2328 return (fp); 2329 } 2330 2331 void 2332 pfctl_init_options(struct pfctl *pf) 2333 { 2334 2335 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2336 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; 2337 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2338 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2339 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; 2340 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2341 pf->timeout[PFTM_SCTP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 2342 pf->timeout[PFTM_SCTP_OPENING] = PFTM_TCP_OPENING_VAL; 2343 pf->timeout[PFTM_SCTP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 2344 pf->timeout[PFTM_SCTP_CLOSING] = PFTM_TCP_CLOSING_VAL; 2345 pf->timeout[PFTM_SCTP_CLOSED] = PFTM_TCP_CLOSED_VAL; 2346 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; 2347 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; 2348 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; 2349 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; 2350 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; 2351 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; 2352 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; 2353 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; 2354 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL; 2355 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; 2356 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; 2357 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; 2358 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; 2359 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; 2360 2361 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT; 2362 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT; 2363 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT; 2364 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT; 2365 2366 pf->debug = PF_DEBUG_URGENT; 2367 pf->reassemble = 0; 2368 2369 pf->syncookies = false; 2370 pf->syncookieswat[0] = PF_SYNCOOKIES_LOWATPCT; 2371 pf->syncookieswat[1] = PF_SYNCOOKIES_HIWATPCT; 2372 } 2373 2374 int 2375 pfctl_load_options(struct pfctl *pf) 2376 { 2377 int i, error = 0; 2378 2379 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2380 return (0); 2381 2382 /* load limits */ 2383 for (i = 0; i < PF_LIMIT_MAX; i++) { 2384 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i]) 2385 continue; 2386 if (pfctl_load_limit(pf, i, pf->limit[i])) 2387 error = 1; 2388 } 2389 2390 /* 2391 * If we've set the limit, but haven't explicitly set adaptive 2392 * timeouts, do it now with a start of 60% and end of 120%. 2393 */ 2394 if (pf->limit_set[PF_LIMIT_STATES] && 2395 !pf->timeout_set[PFTM_ADAPTIVE_START] && 2396 !pf->timeout_set[PFTM_ADAPTIVE_END]) { 2397 pf->timeout[PFTM_ADAPTIVE_START] = 2398 (pf->limit[PF_LIMIT_STATES] / 10) * 6; 2399 pf->timeout_set[PFTM_ADAPTIVE_START] = 1; 2400 pf->timeout[PFTM_ADAPTIVE_END] = 2401 (pf->limit[PF_LIMIT_STATES] / 10) * 12; 2402 pf->timeout_set[PFTM_ADAPTIVE_END] = 1; 2403 } 2404 2405 /* load timeouts */ 2406 for (i = 0; i < PFTM_MAX; i++) { 2407 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i]) 2408 continue; 2409 if (pfctl_load_timeout(pf, i, pf->timeout[i])) 2410 error = 1; 2411 } 2412 2413 /* load debug */ 2414 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set) 2415 if (pfctl_load_debug(pf, pf->debug)) 2416 error = 1; 2417 2418 /* load logif */ 2419 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set) 2420 if (pfctl_load_logif(pf, pf->ifname)) 2421 error = 1; 2422 2423 /* load hostid */ 2424 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set) 2425 if (pfctl_load_hostid(pf, pf->hostid)) 2426 error = 1; 2427 2428 /* load reassembly settings */ 2429 if (!(pf->opts & PF_OPT_MERGE) || pf->reass_set) 2430 if (pfctl_load_reassembly(pf, pf->reassemble)) 2431 error = 1; 2432 2433 /* load keepcounters */ 2434 if (pfctl_set_keepcounters(pf->dev, pf->keep_counters)) 2435 error = 1; 2436 2437 /* load syncookies settings */ 2438 if (pfctl_load_syncookies(pf, pf->syncookies)) 2439 error = 1; 2440 2441 return (error); 2442 } 2443 2444 int 2445 pfctl_apply_limit(struct pfctl *pf, const char *opt, unsigned int limit) 2446 { 2447 int i; 2448 2449 2450 for (i = 0; pf_limits[i].name; i++) { 2451 if (strcasecmp(opt, pf_limits[i].name) == 0) { 2452 pf->limit[pf_limits[i].index] = limit; 2453 pf->limit_set[pf_limits[i].index] = 1; 2454 break; 2455 } 2456 } 2457 if (pf_limits[i].name == NULL) { 2458 warnx("Bad pool name."); 2459 return (1); 2460 } 2461 2462 if (pf->opts & PF_OPT_VERBOSE) 2463 printf("set limit %s %d\n", opt, limit); 2464 2465 return (0); 2466 } 2467 2468 int 2469 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit) 2470 { 2471 if (pfctl_set_limit(pf->h, index, limit)) { 2472 if (errno == EBUSY) 2473 warnx("Current pool size exceeds requested %s limit %u", 2474 pf_limits[index].name, limit); 2475 else 2476 warnx("Cannot set %s limit to %u", 2477 pf_limits[index].name, limit); 2478 return (1); 2479 } 2480 return (0); 2481 } 2482 2483 int 2484 pfctl_apply_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet) 2485 { 2486 int i; 2487 2488 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2489 return (0); 2490 2491 for (i = 0; pf_timeouts[i].name; i++) { 2492 if (strcasecmp(opt, pf_timeouts[i].name) == 0) { 2493 pf->timeout[pf_timeouts[i].timeout] = seconds; 2494 pf->timeout_set[pf_timeouts[i].timeout] = 1; 2495 break; 2496 } 2497 } 2498 2499 if (pf_timeouts[i].name == NULL) { 2500 warnx("Bad timeout name."); 2501 return (1); 2502 } 2503 2504 2505 if (pf->opts & PF_OPT_VERBOSE && ! quiet) 2506 printf("set timeout %s %d\n", opt, seconds); 2507 2508 return (0); 2509 } 2510 2511 int 2512 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds) 2513 { 2514 if (pfctl_set_timeout(pf->h, timeout, seconds)) { 2515 warnx("DIOCSETTIMEOUT"); 2516 return (1); 2517 } 2518 return (0); 2519 } 2520 2521 int 2522 pfctl_set_reassembly(struct pfctl *pf, int on, int nodf) 2523 { 2524 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2525 return (0); 2526 2527 pf->reass_set = 1; 2528 if (on) { 2529 pf->reassemble = PF_REASS_ENABLED; 2530 if (nodf) 2531 pf->reassemble |= PF_REASS_NODF; 2532 } else { 2533 pf->reassemble = 0; 2534 } 2535 2536 if (pf->opts & PF_OPT_VERBOSE) 2537 printf("set reassemble %s %s\n", on ? "yes" : "no", 2538 nodf ? "no-df" : ""); 2539 2540 return (0); 2541 } 2542 2543 int 2544 pfctl_set_optimization(struct pfctl *pf, const char *opt) 2545 { 2546 const struct pf_hint *hint; 2547 int i, r; 2548 2549 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2550 return (0); 2551 2552 for (i = 0; pf_hints[i].name; i++) 2553 if (strcasecmp(opt, pf_hints[i].name) == 0) 2554 break; 2555 2556 hint = pf_hints[i].hint; 2557 if (hint == NULL) { 2558 warnx("invalid state timeouts optimization"); 2559 return (1); 2560 } 2561 2562 for (i = 0; hint[i].name; i++) 2563 if ((r = pfctl_apply_timeout(pf, hint[i].name, 2564 hint[i].timeout, 1))) 2565 return (r); 2566 2567 if (pf->opts & PF_OPT_VERBOSE) 2568 printf("set optimization %s\n", opt); 2569 2570 return (0); 2571 } 2572 2573 int 2574 pfctl_set_logif(struct pfctl *pf, char *ifname) 2575 { 2576 2577 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2578 return (0); 2579 2580 if (!strcmp(ifname, "none")) { 2581 free(pf->ifname); 2582 pf->ifname = NULL; 2583 } else { 2584 pf->ifname = strdup(ifname); 2585 if (!pf->ifname) 2586 errx(1, "pfctl_set_logif: strdup"); 2587 } 2588 pf->ifname_set = 1; 2589 2590 if (pf->opts & PF_OPT_VERBOSE) 2591 printf("set loginterface %s\n", ifname); 2592 2593 return (0); 2594 } 2595 2596 int 2597 pfctl_load_logif(struct pfctl *pf, char *ifname) 2598 { 2599 if (ifname != NULL && strlen(ifname) >= IFNAMSIZ) { 2600 warnx("pfctl_load_logif: strlcpy"); 2601 return (1); 2602 } 2603 return (pfctl_set_statusif(pfh, ifname ? ifname : "")); 2604 } 2605 2606 void 2607 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid) 2608 { 2609 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2610 return; 2611 2612 HTONL(hostid); 2613 2614 pf->hostid = hostid; 2615 pf->hostid_set = 1; 2616 2617 if (pf->opts & PF_OPT_VERBOSE) 2618 printf("set hostid 0x%08x\n", ntohl(hostid)); 2619 } 2620 2621 int 2622 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid) 2623 { 2624 if (ioctl(dev, DIOCSETHOSTID, &hostid)) { 2625 warnx("DIOCSETHOSTID"); 2626 return (1); 2627 } 2628 return (0); 2629 } 2630 2631 int 2632 pfctl_load_reassembly(struct pfctl *pf, u_int32_t reassembly) 2633 { 2634 if (ioctl(dev, DIOCSETREASS, &reassembly)) { 2635 warnx("DIOCSETREASS"); 2636 return (1); 2637 } 2638 return (0); 2639 } 2640 2641 int 2642 pfctl_load_syncookies(struct pfctl *pf, u_int8_t val) 2643 { 2644 struct pfctl_syncookies cookies; 2645 2646 bzero(&cookies, sizeof(cookies)); 2647 2648 cookies.mode = val; 2649 cookies.lowwater = pf->syncookieswat[0]; 2650 cookies.highwater = pf->syncookieswat[1]; 2651 2652 if (pfctl_set_syncookies(dev, &cookies)) { 2653 warnx("DIOCSETSYNCOOKIES"); 2654 return (1); 2655 } 2656 return (0); 2657 } 2658 2659 int 2660 pfctl_cfg_syncookies(struct pfctl *pf, uint8_t val, struct pfctl_watermarks *w) 2661 { 2662 if (val != PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2663 warnx("syncookies start/end only apply to adaptive"); 2664 return (1); 2665 } 2666 if (val == PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2667 if (!w->hi) 2668 w->hi = PF_SYNCOOKIES_HIWATPCT; 2669 if (!w->lo) 2670 w->lo = w->hi / 2; 2671 if (w->lo >= w->hi) { 2672 warnx("start must be higher than end"); 2673 return (1); 2674 } 2675 pf->syncookieswat[0] = w->lo; 2676 pf->syncookieswat[1] = w->hi; 2677 pf->syncookieswat_set = 1; 2678 } 2679 2680 if (pf->opts & PF_OPT_VERBOSE) { 2681 if (val == PF_SYNCOOKIES_NEVER) 2682 printf("set syncookies never\n"); 2683 else if (val == PF_SYNCOOKIES_ALWAYS) 2684 printf("set syncookies always\n"); 2685 else if (val == PF_SYNCOOKIES_ADAPTIVE) { 2686 if (pf->syncookieswat_set) 2687 printf("set syncookies adaptive (start %u%%, " 2688 "end %u%%)\n", pf->syncookieswat[1], 2689 pf->syncookieswat[0]); 2690 else 2691 printf("set syncookies adaptive\n"); 2692 } else { /* cannot happen */ 2693 warnx("king bula ate all syncookies"); 2694 return (1); 2695 } 2696 } 2697 2698 pf->syncookies = val; 2699 return (0); 2700 } 2701 2702 int 2703 pfctl_do_set_debug(struct pfctl *pf, char *d) 2704 { 2705 u_int32_t level; 2706 int ret; 2707 2708 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2709 return (0); 2710 2711 if (!strcmp(d, "none")) 2712 pf->debug = PF_DEBUG_NONE; 2713 else if (!strcmp(d, "urgent")) 2714 pf->debug = PF_DEBUG_URGENT; 2715 else if (!strcmp(d, "misc")) 2716 pf->debug = PF_DEBUG_MISC; 2717 else if (!strcmp(d, "loud")) 2718 pf->debug = PF_DEBUG_NOISY; 2719 else { 2720 warnx("unknown debug level \"%s\"", d); 2721 return (-1); 2722 } 2723 2724 pf->debug_set = 1; 2725 level = pf->debug; 2726 2727 if ((pf->opts & PF_OPT_NOACTION) == 0) 2728 if ((ret = pfctl_set_debug(pfh, level)) != 0) 2729 errc(1, ret, "DIOCSETDEBUG"); 2730 2731 if (pf->opts & PF_OPT_VERBOSE) 2732 printf("set debug %s\n", d); 2733 2734 return (0); 2735 } 2736 2737 int 2738 pfctl_load_debug(struct pfctl *pf, unsigned int level) 2739 { 2740 if (pfctl_set_debug(pf->h, level)) { 2741 warnx("DIOCSETDEBUG"); 2742 return (1); 2743 } 2744 return (0); 2745 } 2746 2747 int 2748 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how) 2749 { 2750 struct pfioc_iface pi; 2751 struct node_host *h = NULL, *n = NULL; 2752 2753 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2754 return (0); 2755 2756 bzero(&pi, sizeof(pi)); 2757 2758 pi.pfiio_flags = flags; 2759 2760 /* Make sure our cache matches the kernel. If we set or clear the flag 2761 * for a group this applies to all members. */ 2762 h = ifa_grouplookup(ifname, 0); 2763 for (n = h; n != NULL; n = n->next) 2764 pfctl_set_interface_flags(pf, n->ifname, flags, how); 2765 2766 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >= 2767 sizeof(pi.pfiio_name)) 2768 errx(1, "pfctl_set_interface_flags: strlcpy"); 2769 2770 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2771 if (how == 0) { 2772 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi)) 2773 err(1, "DIOCCLRIFFLAG"); 2774 } else { 2775 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi)) 2776 err(1, "DIOCSETIFFLAG"); 2777 pfctl_check_skip_ifaces(ifname); 2778 } 2779 } 2780 return (0); 2781 } 2782 2783 void 2784 pfctl_debug(int dev, u_int32_t level, int opts) 2785 { 2786 int ret; 2787 2788 if ((ret = pfctl_set_debug(pfh, level)) != 0) 2789 errc(1, ret, "DIOCSETDEBUG"); 2790 if ((opts & PF_OPT_QUIET) == 0) { 2791 fprintf(stderr, "debug level set to '"); 2792 switch (level) { 2793 case PF_DEBUG_NONE: 2794 fprintf(stderr, "none"); 2795 break; 2796 case PF_DEBUG_URGENT: 2797 fprintf(stderr, "urgent"); 2798 break; 2799 case PF_DEBUG_MISC: 2800 fprintf(stderr, "misc"); 2801 break; 2802 case PF_DEBUG_NOISY: 2803 fprintf(stderr, "loud"); 2804 break; 2805 default: 2806 fprintf(stderr, "<invalid>"); 2807 break; 2808 } 2809 fprintf(stderr, "'\n"); 2810 } 2811 } 2812 2813 int 2814 pfctl_test_altqsupport(int dev, int opts) 2815 { 2816 struct pfioc_altq pa; 2817 2818 pa.version = PFIOC_ALTQ_VERSION; 2819 if (ioctl(dev, DIOCGETALTQS, &pa)) { 2820 if (errno == ENODEV) { 2821 if (opts & PF_OPT_VERBOSE) 2822 fprintf(stderr, "No ALTQ support in kernel\n" 2823 "ALTQ related functions disabled\n"); 2824 return (0); 2825 } else 2826 err(1, "DIOCGETALTQS"); 2827 } 2828 return (1); 2829 } 2830 2831 int 2832 pfctl_show_anchors(int dev, int opts, char *anchorname) 2833 { 2834 struct pfioc_ruleset pr; 2835 u_int32_t mnr, nr; 2836 int ret; 2837 2838 memset(&pr, 0, sizeof(pr)); 2839 if ((ret = pfctl_get_rulesets(pfh, anchorname, &mnr)) != 0) { 2840 if (ret == EINVAL) 2841 fprintf(stderr, "Anchor '%s' not found.\n", 2842 anchorname); 2843 else 2844 errc(1, ret, "DIOCGETRULESETS"); 2845 return (-1); 2846 } 2847 for (nr = 0; nr < mnr; ++nr) { 2848 char sub[MAXPATHLEN]; 2849 2850 if ((ret = pfctl_get_ruleset(pfh, anchorname, nr, &pr)) != 0) 2851 errc(1, ret, "DIOCGETRULESET"); 2852 if (!strcmp(pr.name, PF_RESERVED_ANCHOR)) 2853 continue; 2854 sub[0] = 0; 2855 if (pr.path[0]) { 2856 strlcat(sub, pr.path, sizeof(sub)); 2857 strlcat(sub, "/", sizeof(sub)); 2858 } 2859 strlcat(sub, pr.name, sizeof(sub)); 2860 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2861 printf(" %s\n", sub); 2862 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub)) 2863 return (-1); 2864 } 2865 return (0); 2866 } 2867 2868 int 2869 pfctl_show_eth_anchors(int dev, int opts, char *anchorname) 2870 { 2871 struct pfctl_eth_rulesets_info ri; 2872 struct pfctl_eth_ruleset_info rs; 2873 int ret; 2874 2875 if ((ret = pfctl_get_eth_rulesets_info(dev, &ri, anchorname)) != 0) { 2876 if (ret == ENOENT) 2877 fprintf(stderr, "Anchor '%s' not found.\n", 2878 anchorname); 2879 else 2880 errc(1, ret, "DIOCGETETHRULESETS"); 2881 return (-1); 2882 } 2883 2884 for (int nr = 0; nr < ri.nr; nr++) { 2885 char sub[MAXPATHLEN]; 2886 2887 if ((ret = pfctl_get_eth_ruleset(dev, anchorname, nr, &rs)) != 0) 2888 errc(1, ret, "DIOCGETETHRULESET"); 2889 2890 if (!strcmp(rs.name, PF_RESERVED_ANCHOR)) 2891 continue; 2892 sub[0] = 0; 2893 if (rs.path[0]) { 2894 strlcat(sub, rs.path, sizeof(sub)); 2895 strlcat(sub, "/", sizeof(sub)); 2896 } 2897 strlcat(sub, rs.name, sizeof(sub)); 2898 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2899 printf(" %s\n", sub); 2900 if ((opts & PF_OPT_VERBOSE) && pfctl_show_eth_anchors(dev, opts, sub)) 2901 return (-1); 2902 } 2903 return (0); 2904 } 2905 2906 const char * 2907 pfctl_lookup_option(char *cmd, const char * const *list) 2908 { 2909 if (cmd != NULL && *cmd) 2910 for (; *list; list++) 2911 if (!strncmp(cmd, *list, strlen(cmd))) 2912 return (*list); 2913 return (NULL); 2914 } 2915 2916 int 2917 main(int argc, char *argv[]) 2918 { 2919 int error = 0; 2920 int ch; 2921 int mode = O_RDONLY; 2922 int opts = 0; 2923 int optimize = PF_OPTIMIZE_BASIC; 2924 char anchorname[MAXPATHLEN]; 2925 char *path; 2926 2927 if (argc < 2) 2928 usage(); 2929 2930 while ((ch = getopt(argc, argv, 2931 "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) { 2932 switch (ch) { 2933 case 'a': 2934 anchoropt = optarg; 2935 break; 2936 case 'd': 2937 opts |= PF_OPT_DISABLE; 2938 mode = O_RDWR; 2939 break; 2940 case 'D': 2941 if (pfctl_cmdline_symset(optarg) < 0) 2942 warnx("could not parse macro definition %s", 2943 optarg); 2944 break; 2945 case 'e': 2946 opts |= PF_OPT_ENABLE; 2947 mode = O_RDWR; 2948 break; 2949 case 'q': 2950 opts |= PF_OPT_QUIET; 2951 break; 2952 case 'F': 2953 clearopt = pfctl_lookup_option(optarg, clearopt_list); 2954 if (clearopt == NULL) { 2955 warnx("Unknown flush modifier '%s'", optarg); 2956 usage(); 2957 } 2958 mode = O_RDWR; 2959 break; 2960 case 'i': 2961 ifaceopt = optarg; 2962 break; 2963 case 'k': 2964 if (state_killers >= 2) { 2965 warnx("can only specify -k twice"); 2966 usage(); 2967 /* NOTREACHED */ 2968 } 2969 state_kill[state_killers++] = optarg; 2970 mode = O_RDWR; 2971 break; 2972 case 'K': 2973 if (src_node_killers >= 2) { 2974 warnx("can only specify -K twice"); 2975 usage(); 2976 /* NOTREACHED */ 2977 } 2978 src_node_kill[src_node_killers++] = optarg; 2979 mode = O_RDWR; 2980 break; 2981 case 'm': 2982 opts |= PF_OPT_MERGE; 2983 break; 2984 case 'M': 2985 opts |= PF_OPT_KILLMATCH; 2986 break; 2987 case 'n': 2988 opts |= PF_OPT_NOACTION; 2989 break; 2990 case 'N': 2991 loadopt |= PFCTL_FLAG_NAT; 2992 break; 2993 case 'r': 2994 opts |= PF_OPT_USEDNS; 2995 break; 2996 case 'f': 2997 rulesopt = optarg; 2998 mode = O_RDWR; 2999 break; 3000 case 'g': 3001 opts |= PF_OPT_DEBUG; 3002 break; 3003 case 'A': 3004 loadopt |= PFCTL_FLAG_ALTQ; 3005 break; 3006 case 'R': 3007 loadopt |= PFCTL_FLAG_FILTER; 3008 break; 3009 case 'o': 3010 optiopt = pfctl_lookup_option(optarg, optiopt_list); 3011 if (optiopt == NULL) { 3012 warnx("Unknown optimization '%s'", optarg); 3013 usage(); 3014 } 3015 opts |= PF_OPT_OPTIMIZE; 3016 break; 3017 case 'O': 3018 loadopt |= PFCTL_FLAG_OPTION; 3019 break; 3020 case 'p': 3021 pf_device = optarg; 3022 break; 3023 case 'P': 3024 opts |= PF_OPT_NUMERIC; 3025 break; 3026 case 's': 3027 showopt = pfctl_lookup_option(optarg, showopt_list); 3028 if (showopt == NULL) { 3029 warnx("Unknown show modifier '%s'", optarg); 3030 usage(); 3031 } 3032 break; 3033 case 't': 3034 tableopt = optarg; 3035 break; 3036 case 'T': 3037 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list); 3038 if (tblcmdopt == NULL) { 3039 warnx("Unknown table command '%s'", optarg); 3040 usage(); 3041 } 3042 break; 3043 case 'v': 3044 if (opts & PF_OPT_VERBOSE) 3045 opts |= PF_OPT_VERBOSE2; 3046 opts |= PF_OPT_VERBOSE; 3047 break; 3048 case 'x': 3049 debugopt = pfctl_lookup_option(optarg, debugopt_list); 3050 if (debugopt == NULL) { 3051 warnx("Unknown debug level '%s'", optarg); 3052 usage(); 3053 } 3054 mode = O_RDWR; 3055 break; 3056 case 'z': 3057 opts |= PF_OPT_CLRRULECTRS; 3058 mode = O_RDWR; 3059 break; 3060 case 'h': 3061 /* FALLTHROUGH */ 3062 default: 3063 usage(); 3064 /* NOTREACHED */ 3065 } 3066 } 3067 3068 if (tblcmdopt != NULL) { 3069 argc -= optind; 3070 argv += optind; 3071 ch = *tblcmdopt; 3072 if (ch == 'l') { 3073 loadopt |= PFCTL_FLAG_TABLE; 3074 tblcmdopt = NULL; 3075 } else 3076 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY; 3077 } else if (argc != optind) { 3078 warnx("unknown command line argument: %s ...", argv[optind]); 3079 usage(); 3080 /* NOTREACHED */ 3081 } 3082 if (loadopt == 0) 3083 loadopt = ~0; 3084 3085 if ((path = calloc(1, MAXPATHLEN)) == NULL) 3086 errx(1, "pfctl: calloc"); 3087 memset(anchorname, 0, sizeof(anchorname)); 3088 if (anchoropt != NULL) { 3089 int len = strlen(anchoropt); 3090 3091 if (len >= 1 && anchoropt[len - 1] == '*') { 3092 if (len >= 2 && anchoropt[len - 2] == '/') 3093 anchoropt[len - 2] = '\0'; 3094 else 3095 anchoropt[len - 1] = '\0'; 3096 opts |= PF_OPT_RECURSE; 3097 } 3098 if (strlcpy(anchorname, anchoropt, 3099 sizeof(anchorname)) >= sizeof(anchorname)) 3100 errx(1, "anchor name '%s' too long", 3101 anchoropt); 3102 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE|PFCTL_FLAG_ETH; 3103 } 3104 3105 if ((opts & PF_OPT_NOACTION) == 0) { 3106 dev = open(pf_device, mode); 3107 if (dev == -1) 3108 err(1, "%s", pf_device); 3109 altqsupport = pfctl_test_altqsupport(dev, opts); 3110 } else { 3111 dev = open(pf_device, O_RDONLY); 3112 if (dev >= 0) 3113 opts |= PF_OPT_DUMMYACTION; 3114 /* turn off options */ 3115 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE); 3116 clearopt = showopt = debugopt = NULL; 3117 #if !defined(ENABLE_ALTQ) 3118 altqsupport = 0; 3119 #else 3120 altqsupport = 1; 3121 #endif 3122 } 3123 pfh = pfctl_open(pf_device); 3124 if (pfh == NULL) 3125 err(1, "Failed to open netlink"); 3126 3127 if (opts & PF_OPT_DISABLE) 3128 if (pfctl_disable(dev, opts)) 3129 error = 1; 3130 3131 if (showopt != NULL) { 3132 switch (*showopt) { 3133 case 'A': 3134 pfctl_show_anchors(dev, opts, anchorname); 3135 if (opts & PF_OPT_VERBOSE2) 3136 printf("Ethernet:\n"); 3137 pfctl_show_eth_anchors(dev, opts, anchorname); 3138 break; 3139 case 'r': 3140 pfctl_load_fingerprints(dev, opts); 3141 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES, 3142 anchorname, 0, 0); 3143 break; 3144 case 'l': 3145 pfctl_load_fingerprints(dev, opts); 3146 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS, 3147 anchorname, 0, 0); 3148 break; 3149 case 'n': 3150 pfctl_load_fingerprints(dev, opts); 3151 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3152 break; 3153 case 'q': 3154 pfctl_show_altq(dev, ifaceopt, opts, 3155 opts & PF_OPT_VERBOSE2); 3156 break; 3157 case 's': 3158 pfctl_show_states(dev, ifaceopt, opts); 3159 break; 3160 case 'S': 3161 pfctl_show_src_nodes(dev, opts); 3162 break; 3163 case 'i': 3164 pfctl_show_status(dev, opts); 3165 break; 3166 case 'R': 3167 error = pfctl_show_running(dev); 3168 break; 3169 case 't': 3170 pfctl_show_timeouts(dev, opts); 3171 break; 3172 case 'm': 3173 pfctl_show_limits(dev, opts); 3174 break; 3175 case 'e': 3176 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3177 0); 3178 break; 3179 case 'a': 3180 opts |= PF_OPT_SHOWALL; 3181 pfctl_load_fingerprints(dev, opts); 3182 3183 pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0, 3184 0); 3185 3186 pfctl_show_nat(dev, path, opts, anchorname, 0, 0); 3187 pfctl_show_rules(dev, path, opts, 0, anchorname, 0, 0); 3188 pfctl_show_altq(dev, ifaceopt, opts, 0); 3189 pfctl_show_states(dev, ifaceopt, opts); 3190 pfctl_show_src_nodes(dev, opts); 3191 pfctl_show_status(dev, opts); 3192 pfctl_show_rules(dev, path, opts, 1, anchorname, 0, 0); 3193 pfctl_show_timeouts(dev, opts); 3194 pfctl_show_limits(dev, opts); 3195 pfctl_show_tables(anchorname, opts); 3196 pfctl_show_fingerprints(opts); 3197 break; 3198 case 'T': 3199 pfctl_show_tables(anchorname, opts); 3200 break; 3201 case 'o': 3202 pfctl_load_fingerprints(dev, opts); 3203 pfctl_show_fingerprints(opts); 3204 break; 3205 case 'I': 3206 pfctl_show_ifaces(ifaceopt, opts); 3207 break; 3208 case 'c': 3209 pfctl_show_creators(opts); 3210 break; 3211 } 3212 } 3213 3214 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL) { 3215 pfctl_show_eth_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3216 anchorname, 0, 0); 3217 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 3218 anchorname, 0, 0); 3219 } 3220 3221 if (clearopt != NULL) { 3222 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3223 errx(1, "anchor names beginning with '_' cannot " 3224 "be modified from the command line"); 3225 3226 switch (*clearopt) { 3227 case 'e': 3228 pfctl_flush_eth_rules(dev, opts, anchorname); 3229 break; 3230 case 'r': 3231 pfctl_flush_rules(dev, opts, anchorname); 3232 break; 3233 case 'n': 3234 pfctl_flush_nat(dev, opts, anchorname); 3235 break; 3236 case 'q': 3237 pfctl_clear_altq(dev, opts); 3238 break; 3239 case 's': 3240 pfctl_clear_iface_states(dev, ifaceopt, opts); 3241 break; 3242 case 'S': 3243 pfctl_clear_src_nodes(dev, opts); 3244 break; 3245 case 'i': 3246 pfctl_clear_stats(pfh, opts); 3247 break; 3248 case 'a': 3249 pfctl_flush_eth_rules(dev, opts, anchorname); 3250 pfctl_flush_rules(dev, opts, anchorname); 3251 pfctl_flush_nat(dev, opts, anchorname); 3252 pfctl_do_clear_tables(anchorname, opts); 3253 if (!*anchorname) { 3254 pfctl_clear_altq(dev, opts); 3255 pfctl_clear_iface_states(dev, ifaceopt, opts); 3256 pfctl_clear_src_nodes(dev, opts); 3257 pfctl_clear_stats(pfh, opts); 3258 pfctl_clear_fingerprints(dev, opts); 3259 pfctl_clear_interface_flags(dev, opts); 3260 } 3261 break; 3262 case 'o': 3263 pfctl_clear_fingerprints(dev, opts); 3264 break; 3265 case 'T': 3266 pfctl_do_clear_tables(anchorname, opts); 3267 break; 3268 } 3269 } 3270 if (state_killers) { 3271 if (!strcmp(state_kill[0], "label")) 3272 pfctl_label_kill_states(dev, ifaceopt, opts); 3273 else if (!strcmp(state_kill[0], "id")) 3274 pfctl_id_kill_states(dev, ifaceopt, opts); 3275 else if (!strcmp(state_kill[0], "gateway")) 3276 pfctl_gateway_kill_states(dev, ifaceopt, opts); 3277 else 3278 pfctl_net_kill_states(dev, ifaceopt, opts); 3279 } 3280 3281 if (src_node_killers) 3282 pfctl_kill_src_nodes(dev, ifaceopt, opts); 3283 3284 if (tblcmdopt != NULL) { 3285 error = pfctl_command_tables(argc, argv, tableopt, 3286 tblcmdopt, rulesopt, anchorname, opts); 3287 rulesopt = NULL; 3288 } 3289 if (optiopt != NULL) { 3290 switch (*optiopt) { 3291 case 'n': 3292 optimize = 0; 3293 break; 3294 case 'b': 3295 optimize |= PF_OPTIMIZE_BASIC; 3296 break; 3297 case 'o': 3298 case 'p': 3299 optimize |= PF_OPTIMIZE_PROFILE; 3300 break; 3301 } 3302 } 3303 3304 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) && 3305 !anchorname[0] && !(opts & PF_OPT_NOACTION)) 3306 if (pfctl_get_skip_ifaces()) 3307 error = 1; 3308 3309 if (rulesopt != NULL && !(opts & PF_OPT_MERGE) && 3310 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION)) 3311 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE)) 3312 error = 1; 3313 3314 if (rulesopt != NULL) { 3315 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 3316 errx(1, "anchor names beginning with '_' cannot " 3317 "be modified from the command line"); 3318 if (pfctl_rules(dev, rulesopt, opts, optimize, 3319 anchorname, NULL)) 3320 error = 1; 3321 else if (!(opts & PF_OPT_NOACTION) && 3322 (loadopt & PFCTL_FLAG_TABLE)) 3323 warn_namespace_collision(NULL); 3324 } 3325 3326 if (opts & PF_OPT_ENABLE) 3327 if (pfctl_enable(dev, opts)) 3328 error = 1; 3329 3330 if (debugopt != NULL) { 3331 switch (*debugopt) { 3332 case 'n': 3333 pfctl_debug(dev, PF_DEBUG_NONE, opts); 3334 break; 3335 case 'u': 3336 pfctl_debug(dev, PF_DEBUG_URGENT, opts); 3337 break; 3338 case 'm': 3339 pfctl_debug(dev, PF_DEBUG_MISC, opts); 3340 break; 3341 case 'l': 3342 pfctl_debug(dev, PF_DEBUG_NOISY, opts); 3343 break; 3344 } 3345 } 3346 3347 exit(error); 3348 } 3349