1 /* $OpenBSD: pfctl.c,v 1.278 2008/08/31 20:18:17 jmc Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2001 Daniel Hartmeier 7 * Copyright (c) 2002,2003 Henning Brauer 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * - Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * - Redistributions in binary form must reproduce the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer in the documentation and/or other materials provided 19 * with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD$"); 38 39 #define PFIOC_USE_LATEST 40 41 #include <sys/types.h> 42 #include <sys/ioctl.h> 43 #include <sys/nv.h> 44 #include <sys/socket.h> 45 #include <sys/stat.h> 46 #include <sys/endian.h> 47 48 #include <net/if.h> 49 #include <netinet/in.h> 50 #include <net/pfvar.h> 51 #include <arpa/inet.h> 52 #include <net/altq/altq.h> 53 #include <sys/sysctl.h> 54 55 #include <err.h> 56 #include <errno.h> 57 #include <fcntl.h> 58 #include <libpfctl.h> 59 #include <limits.h> 60 #include <netdb.h> 61 #include <stdint.h> 62 #include <stdio.h> 63 #include <stdlib.h> 64 #include <string.h> 65 #include <unistd.h> 66 67 #include "pfctl_parser.h" 68 #include "pfctl.h" 69 70 void usage(void); 71 int pfctl_enable(int, int); 72 int pfctl_disable(int, int); 73 int pfctl_clear_stats(int, int); 74 int pfctl_get_skip_ifaces(void); 75 int pfctl_check_skip_ifaces(char *); 76 int pfctl_adjust_skip_ifaces(struct pfctl *); 77 int pfctl_clear_interface_flags(int, int); 78 int pfctl_clear_rules(int, int, char *); 79 int pfctl_clear_nat(int, int, char *); 80 int pfctl_clear_altq(int, int); 81 int pfctl_clear_src_nodes(int, int); 82 int pfctl_clear_iface_states(int, const char *, int); 83 void pfctl_addrprefix(char *, struct pf_addr *); 84 int pfctl_kill_src_nodes(int, const char *, int); 85 int pfctl_net_kill_states(int, const char *, int); 86 int pfctl_gateway_kill_states(int, const char *, int); 87 int pfctl_label_kill_states(int, const char *, int); 88 int pfctl_id_kill_states(int, const char *, int); 89 void pfctl_init_options(struct pfctl *); 90 int pfctl_load_options(struct pfctl *); 91 int pfctl_load_limit(struct pfctl *, unsigned int, unsigned int); 92 int pfctl_load_timeout(struct pfctl *, unsigned int, unsigned int); 93 int pfctl_load_debug(struct pfctl *, unsigned int); 94 int pfctl_load_logif(struct pfctl *, char *); 95 int pfctl_load_hostid(struct pfctl *, u_int32_t); 96 int pfctl_load_syncookies(struct pfctl *, u_int8_t); 97 int pfctl_get_pool(int, struct pfctl_pool *, u_int32_t, u_int32_t, int, 98 char *); 99 void pfctl_print_rule_counters(struct pfctl_rule *, int); 100 int pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int); 101 int pfctl_show_nat(int, int, char *); 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_ruleset_trans(struct pfctl *, char *, struct pfctl_anchor *); 112 int pfctl_load_ruleset(struct pfctl *, char *, 113 struct pfctl_ruleset *, int, int); 114 int pfctl_load_rule(struct pfctl *, char *, struct pfctl_rule *, int); 115 const char *pfctl_lookup_option(char *, const char * const *); 116 117 static struct pfctl_anchor_global pf_anchors; 118 static struct pfctl_anchor pf_main_anchor; 119 static struct pfr_buffer skip_b; 120 121 static const char *clearopt; 122 static char *rulesopt; 123 static const char *showopt; 124 static const char *debugopt; 125 static char *anchoropt; 126 static const char *optiopt = NULL; 127 static const char *pf_device = "/dev/pf"; 128 static char *ifaceopt; 129 static char *tableopt; 130 static const char *tblcmdopt; 131 static int src_node_killers; 132 static char *src_node_kill[2]; 133 static int state_killers; 134 static char *state_kill[2]; 135 int loadopt; 136 int altqsupport; 137 138 int dev = -1; 139 static int first_title = 1; 140 static int labels = 0; 141 142 #define INDENT(d, o) do { \ 143 if (o) { \ 144 int i; \ 145 for (i=0; i < d; i++) \ 146 printf(" "); \ 147 } \ 148 } while (0); \ 149 150 151 static const struct { 152 const char *name; 153 int index; 154 } pf_limits[] = { 155 { "states", PF_LIMIT_STATES }, 156 { "src-nodes", PF_LIMIT_SRC_NODES }, 157 { "frags", PF_LIMIT_FRAGS }, 158 { "table-entries", PF_LIMIT_TABLE_ENTRIES }, 159 { NULL, 0 } 160 }; 161 162 struct pf_hint { 163 const char *name; 164 int timeout; 165 }; 166 static const struct pf_hint pf_hint_normal[] = { 167 { "tcp.first", 2 * 60 }, 168 { "tcp.opening", 30 }, 169 { "tcp.established", 24 * 60 * 60 }, 170 { "tcp.closing", 15 * 60 }, 171 { "tcp.finwait", 45 }, 172 { "tcp.closed", 90 }, 173 { "tcp.tsdiff", 30 }, 174 { NULL, 0 } 175 }; 176 static const struct pf_hint pf_hint_satellite[] = { 177 { "tcp.first", 3 * 60 }, 178 { "tcp.opening", 30 + 5 }, 179 { "tcp.established", 24 * 60 * 60 }, 180 { "tcp.closing", 15 * 60 + 5 }, 181 { "tcp.finwait", 45 + 5 }, 182 { "tcp.closed", 90 + 5 }, 183 { "tcp.tsdiff", 60 }, 184 { NULL, 0 } 185 }; 186 static const struct pf_hint pf_hint_conservative[] = { 187 { "tcp.first", 60 * 60 }, 188 { "tcp.opening", 15 * 60 }, 189 { "tcp.established", 5 * 24 * 60 * 60 }, 190 { "tcp.closing", 60 * 60 }, 191 { "tcp.finwait", 10 * 60 }, 192 { "tcp.closed", 3 * 60 }, 193 { "tcp.tsdiff", 60 }, 194 { NULL, 0 } 195 }; 196 static const struct pf_hint pf_hint_aggressive[] = { 197 { "tcp.first", 30 }, 198 { "tcp.opening", 5 }, 199 { "tcp.established", 5 * 60 * 60 }, 200 { "tcp.closing", 60 }, 201 { "tcp.finwait", 30 }, 202 { "tcp.closed", 30 }, 203 { "tcp.tsdiff", 10 }, 204 { NULL, 0 } 205 }; 206 207 static const struct { 208 const char *name; 209 const struct pf_hint *hint; 210 } pf_hints[] = { 211 { "normal", pf_hint_normal }, 212 { "satellite", pf_hint_satellite }, 213 { "high-latency", pf_hint_satellite }, 214 { "conservative", pf_hint_conservative }, 215 { "aggressive", pf_hint_aggressive }, 216 { NULL, NULL } 217 }; 218 219 static const char * const clearopt_list[] = { 220 "nat", "queue", "rules", "Sources", 221 "states", "info", "Tables", "osfp", "all", NULL 222 }; 223 224 static const char * const showopt_list[] = { 225 "nat", "queue", "rules", "Anchors", "Sources", "states", "info", 226 "Interfaces", "labels", "timeouts", "memory", "Tables", "osfp", 227 "Running", "all", NULL 228 }; 229 230 static const char * const tblcmdopt_list[] = { 231 "kill", "flush", "add", "delete", "load", "replace", "show", 232 "test", "zero", "expire", NULL 233 }; 234 235 static const char * const debugopt_list[] = { 236 "none", "urgent", "misc", "loud", NULL 237 }; 238 239 static const char * const optiopt_list[] = { 240 "none", "basic", "profile", NULL 241 }; 242 243 void 244 usage(void) 245 { 246 extern char *__progname; 247 248 fprintf(stderr, 249 "usage: %s [-AdeghMmNnOPqRrvz] [-a anchor] [-D macro=value] [-F modifier]\n" 250 "\t[-f file] [-i interface] [-K host | network]\n" 251 "\t[-k host | network | gateway | label | id] [-o level] [-p device]\n" 252 "\t[-s modifier] [-t table -T command [address ...]] [-x level]\n", 253 __progname); 254 255 exit(1); 256 } 257 258 /* 259 * Cache protocol number to name translations. 260 * 261 * Translation is performed a lot e.g., when dumping states and 262 * getprotobynumber is incredibly expensive. 263 * 264 * Note from the getprotobynumber(3) manpage: 265 * <quote> 266 * These functions use a thread-specific data space; if the data is needed 267 * for future use, it should be copied before any subsequent calls overwrite 268 * it. Only the Internet protocols are currently understood. 269 * </quote> 270 * 271 * Consequently we only cache the name and strdup it for safety. 272 * 273 * At the time of writing this comment the last entry in /etc/protocols is: 274 * divert 258 DIVERT # Divert pseudo-protocol [non IANA] 275 */ 276 const char * 277 pfctl_proto2name(int proto) 278 { 279 static const char *pfctl_proto_cache[259]; 280 struct protoent *p; 281 282 if (proto >= nitems(pfctl_proto_cache)) { 283 p = getprotobynumber(proto); 284 if (p == NULL) { 285 return (NULL); 286 } 287 return (p->p_name); 288 } 289 290 if (pfctl_proto_cache[proto] == NULL) { 291 p = getprotobynumber(proto); 292 if (p == NULL) { 293 return (NULL); 294 } 295 pfctl_proto_cache[proto] = strdup(p->p_name); 296 } 297 298 return (pfctl_proto_cache[proto]); 299 } 300 301 int 302 pfctl_enable(int dev, int opts) 303 { 304 if (ioctl(dev, DIOCSTART)) { 305 if (errno == EEXIST) 306 errx(1, "pf already enabled"); 307 else if (errno == ESRCH) 308 errx(1, "pfil registeration failed"); 309 else 310 err(1, "DIOCSTART"); 311 } 312 if ((opts & PF_OPT_QUIET) == 0) 313 fprintf(stderr, "pf enabled\n"); 314 315 if (altqsupport && ioctl(dev, DIOCSTARTALTQ)) 316 if (errno != EEXIST) 317 err(1, "DIOCSTARTALTQ"); 318 319 return (0); 320 } 321 322 int 323 pfctl_disable(int dev, int opts) 324 { 325 if (ioctl(dev, DIOCSTOP)) { 326 if (errno == ENOENT) 327 errx(1, "pf not enabled"); 328 else 329 err(1, "DIOCSTOP"); 330 } 331 if ((opts & PF_OPT_QUIET) == 0) 332 fprintf(stderr, "pf disabled\n"); 333 334 if (altqsupport && ioctl(dev, DIOCSTOPALTQ)) 335 if (errno != ENOENT) 336 err(1, "DIOCSTOPALTQ"); 337 338 return (0); 339 } 340 341 int 342 pfctl_clear_stats(int dev, int opts) 343 { 344 if (ioctl(dev, DIOCCLRSTATUS)) 345 err(1, "DIOCCLRSTATUS"); 346 if ((opts & PF_OPT_QUIET) == 0) 347 fprintf(stderr, "pf: statistics cleared\n"); 348 return (0); 349 } 350 351 int 352 pfctl_get_skip_ifaces(void) 353 { 354 bzero(&skip_b, sizeof(skip_b)); 355 skip_b.pfrb_type = PFRB_IFACES; 356 for (;;) { 357 pfr_buf_grow(&skip_b, skip_b.pfrb_size); 358 skip_b.pfrb_size = skip_b.pfrb_msize; 359 if (pfi_get_ifaces(NULL, skip_b.pfrb_caddr, &skip_b.pfrb_size)) 360 err(1, "pfi_get_ifaces"); 361 if (skip_b.pfrb_size <= skip_b.pfrb_msize) 362 break; 363 } 364 return (0); 365 } 366 367 int 368 pfctl_check_skip_ifaces(char *ifname) 369 { 370 struct pfi_kif *p; 371 struct node_host *h = NULL, *n = NULL; 372 373 PFRB_FOREACH(p, &skip_b) { 374 if (!strcmp(ifname, p->pfik_name) && 375 (p->pfik_flags & PFI_IFLAG_SKIP)) 376 p->pfik_flags &= ~PFI_IFLAG_SKIP; 377 if (!strcmp(ifname, p->pfik_name) && p->pfik_group != NULL) { 378 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 379 continue; 380 381 for (n = h; n != NULL; n = n->next) { 382 if (p->pfik_ifp == NULL) 383 continue; 384 if (strncmp(p->pfik_name, ifname, IFNAMSIZ)) 385 continue; 386 387 p->pfik_flags &= ~PFI_IFLAG_SKIP; 388 } 389 } 390 } 391 return (0); 392 } 393 394 int 395 pfctl_adjust_skip_ifaces(struct pfctl *pf) 396 { 397 struct pfi_kif *p, *pp; 398 struct node_host *h = NULL, *n = NULL; 399 400 PFRB_FOREACH(p, &skip_b) { 401 if (p->pfik_group == NULL || !(p->pfik_flags & PFI_IFLAG_SKIP)) 402 continue; 403 404 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 405 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL) 406 continue; 407 408 for (n = h; n != NULL; n = n->next) 409 PFRB_FOREACH(pp, &skip_b) { 410 if (pp->pfik_ifp == NULL) 411 continue; 412 413 if (strncmp(pp->pfik_name, n->ifname, IFNAMSIZ)) 414 continue; 415 416 if (!(pp->pfik_flags & PFI_IFLAG_SKIP)) 417 pfctl_set_interface_flags(pf, 418 pp->pfik_name, PFI_IFLAG_SKIP, 1); 419 if (pp->pfik_flags & PFI_IFLAG_SKIP) 420 pp->pfik_flags &= ~PFI_IFLAG_SKIP; 421 } 422 } 423 424 PFRB_FOREACH(p, &skip_b) { 425 if (p->pfik_ifp == NULL || ! (p->pfik_flags & PFI_IFLAG_SKIP)) 426 continue; 427 428 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0); 429 } 430 431 return (0); 432 } 433 434 int 435 pfctl_clear_interface_flags(int dev, int opts) 436 { 437 struct pfioc_iface pi; 438 439 if ((opts & PF_OPT_NOACTION) == 0) { 440 bzero(&pi, sizeof(pi)); 441 pi.pfiio_flags = PFI_IFLAG_SKIP; 442 443 if (ioctl(dev, DIOCCLRIFFLAG, &pi)) 444 err(1, "DIOCCLRIFFLAG"); 445 if ((opts & PF_OPT_QUIET) == 0) 446 fprintf(stderr, "pf: interface flags reset\n"); 447 } 448 return (0); 449 } 450 451 int 452 pfctl_clear_rules(int dev, int opts, char *anchorname) 453 { 454 struct pfr_buffer t; 455 456 memset(&t, 0, sizeof(t)); 457 t.pfrb_type = PFRB_TRANS; 458 if (pfctl_add_trans(&t, PF_RULESET_SCRUB, anchorname) || 459 pfctl_add_trans(&t, PF_RULESET_FILTER, anchorname) || 460 pfctl_trans(dev, &t, DIOCXBEGIN, 0) || 461 pfctl_trans(dev, &t, DIOCXCOMMIT, 0)) 462 err(1, "pfctl_clear_rules"); 463 if ((opts & PF_OPT_QUIET) == 0) 464 fprintf(stderr, "rules cleared\n"); 465 return (0); 466 } 467 468 int 469 pfctl_clear_nat(int dev, int opts, char *anchorname) 470 { 471 struct pfr_buffer t; 472 473 memset(&t, 0, sizeof(t)); 474 t.pfrb_type = PFRB_TRANS; 475 if (pfctl_add_trans(&t, PF_RULESET_NAT, anchorname) || 476 pfctl_add_trans(&t, PF_RULESET_BINAT, anchorname) || 477 pfctl_add_trans(&t, PF_RULESET_RDR, anchorname) || 478 pfctl_trans(dev, &t, DIOCXBEGIN, 0) || 479 pfctl_trans(dev, &t, DIOCXCOMMIT, 0)) 480 err(1, "pfctl_clear_nat"); 481 if ((opts & PF_OPT_QUIET) == 0) 482 fprintf(stderr, "nat cleared\n"); 483 return (0); 484 } 485 486 int 487 pfctl_clear_altq(int dev, int opts) 488 { 489 struct pfr_buffer t; 490 491 if (!altqsupport) 492 return (-1); 493 memset(&t, 0, sizeof(t)); 494 t.pfrb_type = PFRB_TRANS; 495 if (pfctl_add_trans(&t, PF_RULESET_ALTQ, "") || 496 pfctl_trans(dev, &t, DIOCXBEGIN, 0) || 497 pfctl_trans(dev, &t, DIOCXCOMMIT, 0)) 498 err(1, "pfctl_clear_altq"); 499 if ((opts & PF_OPT_QUIET) == 0) 500 fprintf(stderr, "altq cleared\n"); 501 return (0); 502 } 503 504 int 505 pfctl_clear_src_nodes(int dev, int opts) 506 { 507 if (ioctl(dev, DIOCCLRSRCNODES)) 508 err(1, "DIOCCLRSRCNODES"); 509 if ((opts & PF_OPT_QUIET) == 0) 510 fprintf(stderr, "source tracking entries cleared\n"); 511 return (0); 512 } 513 514 int 515 pfctl_clear_iface_states(int dev, const char *iface, int opts) 516 { 517 struct pfctl_kill kill; 518 unsigned int killed; 519 520 memset(&kill, 0, sizeof(kill)); 521 if (iface != NULL && strlcpy(kill.ifname, iface, 522 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 523 errx(1, "invalid interface: %s", iface); 524 525 if (opts & PF_OPT_KILLMATCH) 526 kill.kill_match = true; 527 528 if (pfctl_clear_states(dev, &kill, &killed)) 529 err(1, "DIOCCLRSTATES"); 530 if ((opts & PF_OPT_QUIET) == 0) 531 fprintf(stderr, "%d states cleared\n", killed); 532 return (0); 533 } 534 535 void 536 pfctl_addrprefix(char *addr, struct pf_addr *mask) 537 { 538 char *p; 539 const char *errstr; 540 int prefix, ret_ga, q, r; 541 struct addrinfo hints, *res; 542 543 if ((p = strchr(addr, '/')) == NULL) 544 return; 545 546 *p++ = '\0'; 547 prefix = strtonum(p, 0, 128, &errstr); 548 if (errstr) 549 errx(1, "prefix is %s: %s", errstr, p); 550 551 bzero(&hints, sizeof(hints)); 552 /* prefix only with numeric addresses */ 553 hints.ai_flags |= AI_NUMERICHOST; 554 555 if ((ret_ga = getaddrinfo(addr, NULL, &hints, &res))) { 556 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 557 /* NOTREACHED */ 558 } 559 560 if (res->ai_family == AF_INET && prefix > 32) 561 errx(1, "prefix too long for AF_INET"); 562 else if (res->ai_family == AF_INET6 && prefix > 128) 563 errx(1, "prefix too long for AF_INET6"); 564 565 q = prefix >> 3; 566 r = prefix & 7; 567 switch (res->ai_family) { 568 case AF_INET: 569 bzero(&mask->v4, sizeof(mask->v4)); 570 mask->v4.s_addr = htonl((u_int32_t) 571 (0xffffffffffULL << (32 - prefix))); 572 break; 573 case AF_INET6: 574 bzero(&mask->v6, sizeof(mask->v6)); 575 if (q > 0) 576 memset((void *)&mask->v6, 0xff, q); 577 if (r > 0) 578 *((u_char *)&mask->v6 + q) = 579 (0xff00 >> r) & 0xff; 580 break; 581 } 582 freeaddrinfo(res); 583 } 584 585 int 586 pfctl_kill_src_nodes(int dev, const char *iface, int opts) 587 { 588 struct pfioc_src_node_kill psnk; 589 struct addrinfo *res[2], *resp[2]; 590 struct sockaddr last_src, last_dst; 591 int killed, sources, dests; 592 int ret_ga; 593 594 killed = sources = dests = 0; 595 596 memset(&psnk, 0, sizeof(psnk)); 597 memset(&psnk.psnk_src.addr.v.a.mask, 0xff, 598 sizeof(psnk.psnk_src.addr.v.a.mask)); 599 memset(&last_src, 0xff, sizeof(last_src)); 600 memset(&last_dst, 0xff, sizeof(last_dst)); 601 602 pfctl_addrprefix(src_node_kill[0], &psnk.psnk_src.addr.v.a.mask); 603 604 if ((ret_ga = getaddrinfo(src_node_kill[0], NULL, NULL, &res[0]))) { 605 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 606 /* NOTREACHED */ 607 } 608 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 609 if (resp[0]->ai_addr == NULL) 610 continue; 611 /* We get lots of duplicates. Catch the easy ones */ 612 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 613 continue; 614 last_src = *(struct sockaddr *)resp[0]->ai_addr; 615 616 psnk.psnk_af = resp[0]->ai_family; 617 sources++; 618 619 if (psnk.psnk_af == AF_INET) 620 psnk.psnk_src.addr.v.a.addr.v4 = 621 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 622 else if (psnk.psnk_af == AF_INET6) 623 psnk.psnk_src.addr.v.a.addr.v6 = 624 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 625 sin6_addr; 626 else 627 errx(1, "Unknown address family %d", psnk.psnk_af); 628 629 if (src_node_killers > 1) { 630 dests = 0; 631 memset(&psnk.psnk_dst.addr.v.a.mask, 0xff, 632 sizeof(psnk.psnk_dst.addr.v.a.mask)); 633 memset(&last_dst, 0xff, sizeof(last_dst)); 634 pfctl_addrprefix(src_node_kill[1], 635 &psnk.psnk_dst.addr.v.a.mask); 636 if ((ret_ga = getaddrinfo(src_node_kill[1], NULL, NULL, 637 &res[1]))) { 638 errx(1, "getaddrinfo: %s", 639 gai_strerror(ret_ga)); 640 /* NOTREACHED */ 641 } 642 for (resp[1] = res[1]; resp[1]; 643 resp[1] = resp[1]->ai_next) { 644 if (resp[1]->ai_addr == NULL) 645 continue; 646 if (psnk.psnk_af != resp[1]->ai_family) 647 continue; 648 649 if (memcmp(&last_dst, resp[1]->ai_addr, 650 sizeof(last_dst)) == 0) 651 continue; 652 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 653 654 dests++; 655 656 if (psnk.psnk_af == AF_INET) 657 psnk.psnk_dst.addr.v.a.addr.v4 = 658 ((struct sockaddr_in *)resp[1]-> 659 ai_addr)->sin_addr; 660 else if (psnk.psnk_af == AF_INET6) 661 psnk.psnk_dst.addr.v.a.addr.v6 = 662 ((struct sockaddr_in6 *)resp[1]-> 663 ai_addr)->sin6_addr; 664 else 665 errx(1, "Unknown address family %d", 666 psnk.psnk_af); 667 668 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 669 err(1, "DIOCKILLSRCNODES"); 670 killed += psnk.psnk_killed; 671 } 672 freeaddrinfo(res[1]); 673 } else { 674 if (ioctl(dev, DIOCKILLSRCNODES, &psnk)) 675 err(1, "DIOCKILLSRCNODES"); 676 killed += psnk.psnk_killed; 677 } 678 } 679 680 freeaddrinfo(res[0]); 681 682 if ((opts & PF_OPT_QUIET) == 0) 683 fprintf(stderr, "killed %d src nodes from %d sources and %d " 684 "destinations\n", killed, sources, dests); 685 return (0); 686 } 687 688 int 689 pfctl_net_kill_states(int dev, const char *iface, int opts) 690 { 691 struct pfctl_kill kill; 692 struct addrinfo *res[2], *resp[2]; 693 struct sockaddr last_src, last_dst; 694 unsigned int newkilled; 695 int killed, sources, dests; 696 int ret_ga; 697 698 killed = sources = dests = 0; 699 700 memset(&kill, 0, sizeof(kill)); 701 memset(&kill.src.addr.v.a.mask, 0xff, 702 sizeof(kill.src.addr.v.a.mask)); 703 memset(&last_src, 0xff, sizeof(last_src)); 704 memset(&last_dst, 0xff, sizeof(last_dst)); 705 if (iface != NULL && strlcpy(kill.ifname, iface, 706 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 707 errx(1, "invalid interface: %s", iface); 708 709 pfctl_addrprefix(state_kill[0], &kill.src.addr.v.a.mask); 710 711 if (opts & PF_OPT_KILLMATCH) 712 kill.kill_match = true; 713 714 if ((ret_ga = getaddrinfo(state_kill[0], NULL, NULL, &res[0]))) { 715 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 716 /* NOTREACHED */ 717 } 718 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) { 719 if (resp[0]->ai_addr == NULL) 720 continue; 721 /* We get lots of duplicates. Catch the easy ones */ 722 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0) 723 continue; 724 last_src = *(struct sockaddr *)resp[0]->ai_addr; 725 726 kill.af = resp[0]->ai_family; 727 sources++; 728 729 if (kill.af == AF_INET) 730 kill.src.addr.v.a.addr.v4 = 731 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr; 732 else if (kill.af == AF_INET6) 733 kill.src.addr.v.a.addr.v6 = 734 ((struct sockaddr_in6 *)resp[0]->ai_addr)-> 735 sin6_addr; 736 else 737 errx(1, "Unknown address family %d", kill.af); 738 739 if (state_killers > 1) { 740 dests = 0; 741 memset(&kill.dst.addr.v.a.mask, 0xff, 742 sizeof(kill.dst.addr.v.a.mask)); 743 memset(&last_dst, 0xff, sizeof(last_dst)); 744 pfctl_addrprefix(state_kill[1], 745 &kill.dst.addr.v.a.mask); 746 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, 747 &res[1]))) { 748 errx(1, "getaddrinfo: %s", 749 gai_strerror(ret_ga)); 750 /* NOTREACHED */ 751 } 752 for (resp[1] = res[1]; resp[1]; 753 resp[1] = resp[1]->ai_next) { 754 if (resp[1]->ai_addr == NULL) 755 continue; 756 if (kill.af != resp[1]->ai_family) 757 continue; 758 759 if (memcmp(&last_dst, resp[1]->ai_addr, 760 sizeof(last_dst)) == 0) 761 continue; 762 last_dst = *(struct sockaddr *)resp[1]->ai_addr; 763 764 dests++; 765 766 if (kill.af == AF_INET) 767 kill.dst.addr.v.a.addr.v4 = 768 ((struct sockaddr_in *)resp[1]-> 769 ai_addr)->sin_addr; 770 else if (kill.af == AF_INET6) 771 kill.dst.addr.v.a.addr.v6 = 772 ((struct sockaddr_in6 *)resp[1]-> 773 ai_addr)->sin6_addr; 774 else 775 errx(1, "Unknown address family %d", 776 kill.af); 777 778 if (pfctl_kill_states(dev, &kill, &newkilled)) 779 err(1, "DIOCKILLSTATES"); 780 killed += newkilled; 781 } 782 freeaddrinfo(res[1]); 783 } else { 784 if (pfctl_kill_states(dev, &kill, &newkilled)) 785 err(1, "DIOCKILLSTATES"); 786 killed += newkilled; 787 } 788 } 789 790 freeaddrinfo(res[0]); 791 792 if ((opts & PF_OPT_QUIET) == 0) 793 fprintf(stderr, "killed %d states from %d sources and %d " 794 "destinations\n", killed, sources, dests); 795 return (0); 796 } 797 798 int 799 pfctl_gateway_kill_states(int dev, const char *iface, int opts) 800 { 801 struct pfctl_kill kill; 802 struct addrinfo *res, *resp; 803 struct sockaddr last_src; 804 unsigned int newkilled; 805 int killed = 0; 806 int ret_ga; 807 808 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 809 warnx("no gateway specified"); 810 usage(); 811 } 812 813 memset(&kill, 0, sizeof(kill)); 814 memset(&kill.rt_addr.addr.v.a.mask, 0xff, 815 sizeof(kill.rt_addr.addr.v.a.mask)); 816 memset(&last_src, 0xff, sizeof(last_src)); 817 if (iface != NULL && strlcpy(kill.ifname, iface, 818 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 819 errx(1, "invalid interface: %s", iface); 820 821 if (opts & PF_OPT_KILLMATCH) 822 kill.kill_match = true; 823 824 pfctl_addrprefix(state_kill[1], &kill.rt_addr.addr.v.a.mask); 825 826 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, &res))) { 827 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga)); 828 /* NOTREACHED */ 829 } 830 for (resp = res; resp; resp = resp->ai_next) { 831 if (resp->ai_addr == NULL) 832 continue; 833 /* We get lots of duplicates. Catch the easy ones */ 834 if (memcmp(&last_src, resp->ai_addr, sizeof(last_src)) == 0) 835 continue; 836 last_src = *(struct sockaddr *)resp->ai_addr; 837 838 kill.af = resp->ai_family; 839 840 if (kill.af == AF_INET) 841 kill.rt_addr.addr.v.a.addr.v4 = 842 ((struct sockaddr_in *)resp->ai_addr)->sin_addr; 843 else if (kill.af == AF_INET6) 844 kill.rt_addr.addr.v.a.addr.v6 = 845 ((struct sockaddr_in6 *)resp->ai_addr)-> 846 sin6_addr; 847 else 848 errx(1, "Unknown address family %d", kill.af); 849 850 if (pfctl_kill_states(dev, &kill, &newkilled)) 851 err(1, "DIOCKILLSTATES"); 852 killed += newkilled; 853 } 854 855 freeaddrinfo(res); 856 857 if ((opts & PF_OPT_QUIET) == 0) 858 fprintf(stderr, "killed %d states\n", killed); 859 return (0); 860 } 861 862 int 863 pfctl_label_kill_states(int dev, const char *iface, int opts) 864 { 865 struct pfctl_kill kill; 866 unsigned int killed; 867 868 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 869 warnx("no label specified"); 870 usage(); 871 } 872 memset(&kill, 0, sizeof(kill)); 873 if (iface != NULL && strlcpy(kill.ifname, iface, 874 sizeof(kill.ifname)) >= sizeof(kill.ifname)) 875 errx(1, "invalid interface: %s", iface); 876 877 if (opts & PF_OPT_KILLMATCH) 878 kill.kill_match = true; 879 880 if (strlcpy(kill.label, state_kill[1], sizeof(kill.label)) >= 881 sizeof(kill.label)) 882 errx(1, "label too long: %s", state_kill[1]); 883 884 if (pfctl_kill_states(dev, &kill, &killed)) 885 err(1, "DIOCKILLSTATES"); 886 887 if ((opts & PF_OPT_QUIET) == 0) 888 fprintf(stderr, "killed %d states\n", killed); 889 890 return (0); 891 } 892 893 int 894 pfctl_id_kill_states(int dev, const char *iface, int opts) 895 { 896 struct pfctl_kill kill; 897 unsigned int killed; 898 899 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) { 900 warnx("no id specified"); 901 usage(); 902 } 903 904 memset(&kill, 0, sizeof(kill)); 905 906 if (opts & PF_OPT_KILLMATCH) 907 kill.kill_match = true; 908 909 if ((sscanf(state_kill[1], "%jx/%x", 910 &kill.cmp.id, &kill.cmp.creatorid)) == 2) 911 HTONL(kill.cmp.creatorid); 912 else if ((sscanf(state_kill[1], "%jx", &kill.cmp.id)) == 1) { 913 kill.cmp.creatorid = 0; 914 } else { 915 warnx("wrong id format specified"); 916 usage(); 917 } 918 if (kill.cmp.id == 0) { 919 warnx("cannot kill id 0"); 920 usage(); 921 } 922 923 kill.cmp.id = htobe64(kill.cmp.id); 924 if (pfctl_kill_states(dev, &kill, &killed)) 925 err(1, "DIOCKILLSTATES"); 926 927 if ((opts & PF_OPT_QUIET) == 0) 928 fprintf(stderr, "killed %d states\n", killed); 929 930 return (0); 931 } 932 933 int 934 pfctl_get_pool(int dev, struct pfctl_pool *pool, u_int32_t nr, 935 u_int32_t ticket, int r_action, char *anchorname) 936 { 937 struct pfioc_pooladdr pp; 938 struct pf_pooladdr *pa; 939 u_int32_t pnr, mpnr; 940 941 memset(&pp, 0, sizeof(pp)); 942 memcpy(pp.anchor, anchorname, sizeof(pp.anchor)); 943 pp.r_action = r_action; 944 pp.r_num = nr; 945 pp.ticket = ticket; 946 if (ioctl(dev, DIOCGETADDRS, &pp)) { 947 warn("DIOCGETADDRS"); 948 return (-1); 949 } 950 mpnr = pp.nr; 951 TAILQ_INIT(&pool->list); 952 for (pnr = 0; pnr < mpnr; ++pnr) { 953 pp.nr = pnr; 954 if (ioctl(dev, DIOCGETADDR, &pp)) { 955 warn("DIOCGETADDR"); 956 return (-1); 957 } 958 pa = calloc(1, sizeof(struct pf_pooladdr)); 959 if (pa == NULL) 960 err(1, "calloc"); 961 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr)); 962 TAILQ_INSERT_TAIL(&pool->list, pa, entries); 963 } 964 965 return (0); 966 } 967 968 void 969 pfctl_move_pool(struct pfctl_pool *src, struct pfctl_pool *dst) 970 { 971 struct pf_pooladdr *pa; 972 973 while ((pa = TAILQ_FIRST(&src->list)) != NULL) { 974 TAILQ_REMOVE(&src->list, pa, entries); 975 TAILQ_INSERT_TAIL(&dst->list, pa, entries); 976 } 977 } 978 979 void 980 pfctl_clear_pool(struct pfctl_pool *pool) 981 { 982 struct pf_pooladdr *pa; 983 984 while ((pa = TAILQ_FIRST(&pool->list)) != NULL) { 985 TAILQ_REMOVE(&pool->list, pa, entries); 986 free(pa); 987 } 988 } 989 990 void 991 pfctl_print_rule_counters(struct pfctl_rule *rule, int opts) 992 { 993 if (opts & PF_OPT_DEBUG) { 994 const char *t[PF_SKIP_COUNT] = { "i", "d", "f", 995 "p", "sa", "sp", "da", "dp" }; 996 int i; 997 998 printf(" [ Skip steps: "); 999 for (i = 0; i < PF_SKIP_COUNT; ++i) { 1000 if (rule->skip[i].nr == rule->nr + 1) 1001 continue; 1002 printf("%s=", t[i]); 1003 if (rule->skip[i].nr == -1) 1004 printf("end "); 1005 else 1006 printf("%u ", rule->skip[i].nr); 1007 } 1008 printf("]\n"); 1009 1010 printf(" [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n", 1011 rule->qname, rule->qid, rule->pqname, rule->pqid); 1012 } 1013 if (opts & PF_OPT_VERBOSE) { 1014 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1015 "Bytes: %-10llu States: %-6ju]\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]), (uintmax_t)rule->states_cur); 1021 if (!(opts & PF_OPT_DEBUG)) 1022 printf(" [ Inserted: uid %u pid %u " 1023 "State Creations: %-6ju]\n", 1024 (unsigned)rule->cuid, (unsigned)rule->cpid, 1025 (uintmax_t)rule->states_tot); 1026 } 1027 } 1028 1029 void 1030 pfctl_print_title(char *title) 1031 { 1032 if (!first_title) 1033 printf("\n"); 1034 first_title = 0; 1035 printf("%s\n", title); 1036 } 1037 1038 int 1039 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format, 1040 char *anchorname, int depth) 1041 { 1042 struct pfioc_rule pr; 1043 struct pfctl_rule rule; 1044 u_int32_t nr, mnr, header = 0; 1045 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 1046 int numeric = opts & PF_OPT_NUMERIC; 1047 int len = strlen(path); 1048 int brace; 1049 char *p; 1050 1051 if (path[0]) 1052 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1053 else 1054 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1055 1056 memset(&pr, 0, sizeof(pr)); 1057 memcpy(pr.anchor, path, sizeof(pr.anchor)); 1058 if (opts & PF_OPT_SHOWALL) { 1059 pr.rule.action = PF_PASS; 1060 if (ioctl(dev, DIOCGETRULES, &pr)) { 1061 warn("DIOCGETRULES"); 1062 goto error; 1063 } 1064 header++; 1065 } 1066 pr.rule.action = PF_SCRUB; 1067 if (ioctl(dev, DIOCGETRULES, &pr)) { 1068 warn("DIOCGETRULES"); 1069 goto error; 1070 } 1071 if (opts & PF_OPT_SHOWALL) { 1072 if (format == PFCTL_SHOW_RULES && (pr.nr > 0 || header)) 1073 pfctl_print_title("FILTER RULES:"); 1074 else if (format == PFCTL_SHOW_LABELS && labels) 1075 pfctl_print_title("LABEL COUNTERS:"); 1076 } 1077 mnr = pr.nr; 1078 1079 for (nr = 0; nr < mnr; ++nr) { 1080 pr.nr = nr; 1081 if (pfctl_get_clear_rule(dev, nr, pr.ticket, path, PF_SCRUB, 1082 &rule, pr.anchor_call, opts & PF_OPT_CLRRULECTRS)) { 1083 warn("DIOCGETRULENV"); 1084 goto error; 1085 } 1086 1087 if (pfctl_get_pool(dev, &rule.rpool, 1088 nr, pr.ticket, PF_SCRUB, path) != 0) 1089 goto error; 1090 1091 switch (format) { 1092 case PFCTL_SHOW_LABELS: 1093 break; 1094 case PFCTL_SHOW_RULES: 1095 if (rule.label[0] && (opts & PF_OPT_SHOWALL)) 1096 labels = 1; 1097 print_rule(&rule, pr.anchor_call, rule_numbers, numeric); 1098 printf("\n"); 1099 pfctl_print_rule_counters(&rule, opts); 1100 break; 1101 case PFCTL_SHOW_NOTHING: 1102 break; 1103 } 1104 pfctl_clear_pool(&rule.rpool); 1105 } 1106 pr.rule.action = PF_PASS; 1107 if (ioctl(dev, DIOCGETRULES, &pr)) { 1108 warn("DIOCGETRULES"); 1109 goto error; 1110 } 1111 mnr = pr.nr; 1112 for (nr = 0; nr < mnr; ++nr) { 1113 pr.nr = nr; 1114 if (pfctl_get_clear_rule(dev, nr, pr.ticket, path, PF_PASS, 1115 &rule, pr.anchor_call, opts & PF_OPT_CLRRULECTRS)) { 1116 warn("DIOCGETRULE"); 1117 goto error; 1118 } 1119 1120 if (pfctl_get_pool(dev, &rule.rpool, 1121 nr, pr.ticket, PF_PASS, path) != 0) 1122 goto error; 1123 1124 switch (format) { 1125 case PFCTL_SHOW_LABELS: { 1126 bool show = false; 1127 int i = 0; 1128 1129 while (rule.label[i][0]) { 1130 printf("%s ", rule.label[i++]); 1131 show = true; 1132 } 1133 1134 if (show) { 1135 printf("%llu %llu %llu %llu" 1136 " %llu %llu %llu %ju\n", 1137 (unsigned long long)rule.evaluations, 1138 (unsigned long long)(rule.packets[0] + 1139 rule.packets[1]), 1140 (unsigned long long)(rule.bytes[0] + 1141 rule.bytes[1]), 1142 (unsigned long long)rule.packets[0], 1143 (unsigned long long)rule.bytes[0], 1144 (unsigned long long)rule.packets[1], 1145 (unsigned long long)rule.bytes[1], 1146 (uintmax_t)rule.states_tot); 1147 } 1148 break; 1149 } 1150 case PFCTL_SHOW_RULES: 1151 brace = 0; 1152 if (rule.label[0] && (opts & PF_OPT_SHOWALL)) 1153 labels = 1; 1154 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1155 if (pr.anchor_call[0] && 1156 ((((p = strrchr(pr.anchor_call, '_')) != NULL) && 1157 ((void *)p == (void *)pr.anchor_call || 1158 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) { 1159 brace++; 1160 if ((p = strrchr(pr.anchor_call, '/')) != 1161 NULL) 1162 p++; 1163 else 1164 p = &pr.anchor_call[0]; 1165 } else 1166 p = &pr.anchor_call[0]; 1167 1168 print_rule(&rule, p, rule_numbers, numeric); 1169 if (brace) 1170 printf(" {\n"); 1171 else 1172 printf("\n"); 1173 pfctl_print_rule_counters(&rule, opts); 1174 if (brace) { 1175 pfctl_show_rules(dev, path, opts, format, 1176 p, depth + 1); 1177 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1178 printf("}\n"); 1179 } 1180 break; 1181 case PFCTL_SHOW_NOTHING: 1182 break; 1183 } 1184 pfctl_clear_pool(&rule.rpool); 1185 } 1186 path[len] = '\0'; 1187 return (0); 1188 1189 error: 1190 path[len] = '\0'; 1191 return (-1); 1192 } 1193 1194 int 1195 pfctl_show_nat(int dev, int opts, char *anchorname) 1196 { 1197 struct pfioc_rule pr; 1198 struct pfctl_rule rule; 1199 u_int32_t mnr, nr; 1200 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT }; 1201 int i, dotitle = opts & PF_OPT_SHOWALL; 1202 1203 memset(&pr, 0, sizeof(pr)); 1204 memcpy(pr.anchor, anchorname, sizeof(pr.anchor)); 1205 for (i = 0; i < 3; i++) { 1206 pr.rule.action = nattype[i]; 1207 if (ioctl(dev, DIOCGETRULES, &pr)) { 1208 warn("DIOCGETRULES"); 1209 return (-1); 1210 } 1211 mnr = pr.nr; 1212 for (nr = 0; nr < mnr; ++nr) { 1213 pr.nr = nr; 1214 if (pfctl_get_rule(dev, nr, pr.ticket, anchorname, 1215 nattype[i], &rule, pr.anchor_call)) { 1216 warn("DIOCGETRULE"); 1217 return (-1); 1218 } 1219 if (pfctl_get_pool(dev, &rule.rpool, nr, 1220 pr.ticket, nattype[i], anchorname) != 0) 1221 return (-1); 1222 if (dotitle) { 1223 pfctl_print_title("TRANSLATION RULES:"); 1224 dotitle = 0; 1225 } 1226 print_rule(&rule, pr.anchor_call, 1227 opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC); 1228 printf("\n"); 1229 pfctl_print_rule_counters(&rule, opts); 1230 pfctl_clear_pool(&rule.rpool); 1231 } 1232 } 1233 return (0); 1234 } 1235 1236 int 1237 pfctl_show_src_nodes(int dev, int opts) 1238 { 1239 struct pfioc_src_nodes psn; 1240 struct pf_src_node *p; 1241 char *inbuf = NULL, *newinbuf = NULL; 1242 unsigned int len = 0; 1243 int i; 1244 1245 memset(&psn, 0, sizeof(psn)); 1246 for (;;) { 1247 psn.psn_len = len; 1248 if (len) { 1249 newinbuf = realloc(inbuf, len); 1250 if (newinbuf == NULL) 1251 err(1, "realloc"); 1252 psn.psn_buf = inbuf = newinbuf; 1253 } 1254 if (ioctl(dev, DIOCGETSRCNODES, &psn) < 0) { 1255 warn("DIOCGETSRCNODES"); 1256 free(inbuf); 1257 return (-1); 1258 } 1259 if (psn.psn_len + sizeof(struct pfioc_src_nodes) < len) 1260 break; 1261 if (len == 0 && psn.psn_len == 0) 1262 goto done; 1263 if (len == 0 && psn.psn_len != 0) 1264 len = psn.psn_len; 1265 if (psn.psn_len == 0) 1266 goto done; /* no src_nodes */ 1267 len *= 2; 1268 } 1269 p = psn.psn_src_nodes; 1270 if (psn.psn_len > 0 && (opts & PF_OPT_SHOWALL)) 1271 pfctl_print_title("SOURCE TRACKING NODES:"); 1272 for (i = 0; i < psn.psn_len; i += sizeof(*p)) { 1273 print_src_node(p, opts); 1274 p++; 1275 } 1276 done: 1277 free(inbuf); 1278 return (0); 1279 } 1280 1281 int 1282 pfctl_show_states(int dev, const char *iface, int opts) 1283 { 1284 struct pfctl_states states; 1285 struct pfctl_state *s; 1286 int dotitle = (opts & PF_OPT_SHOWALL); 1287 1288 memset(&states, 0, sizeof(states)); 1289 1290 if (pfctl_get_states(dev, &states)) 1291 return (-1); 1292 1293 TAILQ_FOREACH(s, &states.states, entry) { 1294 if (iface != NULL && strcmp(s->ifname, iface)) 1295 continue; 1296 if (dotitle) { 1297 pfctl_print_title("STATES:"); 1298 dotitle = 0; 1299 } 1300 print_state(s, opts); 1301 } 1302 1303 pfctl_free_states(&states); 1304 1305 return (0); 1306 } 1307 1308 int 1309 pfctl_show_status(int dev, int opts) 1310 { 1311 struct pf_status status; 1312 struct pfctl_syncookies cookies; 1313 1314 if (ioctl(dev, DIOCGETSTATUS, &status)) { 1315 warn("DIOCGETSTATUS"); 1316 return (-1); 1317 } 1318 if (pfctl_get_syncookies(dev, &cookies)) { 1319 warn("DIOCGETSYNCOOKIES"); 1320 return (-1); 1321 } 1322 if (opts & PF_OPT_SHOWALL) 1323 pfctl_print_title("INFO:"); 1324 print_status(&status, &cookies, opts); 1325 return (0); 1326 } 1327 1328 int 1329 pfctl_show_running(int dev) 1330 { 1331 struct pf_status status; 1332 1333 if (ioctl(dev, DIOCGETSTATUS, &status)) { 1334 warn("DIOCGETSTATUS"); 1335 return (-1); 1336 } 1337 1338 print_running(&status); 1339 return (!status.running); 1340 } 1341 1342 int 1343 pfctl_show_timeouts(int dev, int opts) 1344 { 1345 struct pfioc_tm pt; 1346 int i; 1347 1348 if (opts & PF_OPT_SHOWALL) 1349 pfctl_print_title("TIMEOUTS:"); 1350 memset(&pt, 0, sizeof(pt)); 1351 for (i = 0; pf_timeouts[i].name; i++) { 1352 pt.timeout = pf_timeouts[i].timeout; 1353 if (ioctl(dev, DIOCGETTIMEOUT, &pt)) 1354 err(1, "DIOCGETTIMEOUT"); 1355 printf("%-20s %10d", pf_timeouts[i].name, pt.seconds); 1356 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START && 1357 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END) 1358 printf(" states"); 1359 else 1360 printf("s"); 1361 printf("\n"); 1362 } 1363 return (0); 1364 1365 } 1366 1367 int 1368 pfctl_show_limits(int dev, int opts) 1369 { 1370 struct pfioc_limit pl; 1371 int i; 1372 1373 if (opts & PF_OPT_SHOWALL) 1374 pfctl_print_title("LIMITS:"); 1375 memset(&pl, 0, sizeof(pl)); 1376 for (i = 0; pf_limits[i].name; i++) { 1377 pl.index = pf_limits[i].index; 1378 if (ioctl(dev, DIOCGETLIMIT, &pl)) 1379 err(1, "DIOCGETLIMIT"); 1380 printf("%-13s ", pf_limits[i].name); 1381 if (pl.limit == UINT_MAX) 1382 printf("unlimited\n"); 1383 else 1384 printf("hard limit %8u\n", pl.limit); 1385 } 1386 return (0); 1387 } 1388 1389 /* callbacks for rule/nat/rdr/addr */ 1390 int 1391 pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af) 1392 { 1393 struct pf_pooladdr *pa; 1394 1395 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1396 if (ioctl(pf->dev, DIOCBEGINADDRS, &pf->paddr)) 1397 err(1, "DIOCBEGINADDRS"); 1398 } 1399 1400 pf->paddr.af = af; 1401 TAILQ_FOREACH(pa, &p->list, entries) { 1402 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr)); 1403 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1404 if (ioctl(pf->dev, DIOCADDADDR, &pf->paddr)) 1405 err(1, "DIOCADDADDR"); 1406 } 1407 } 1408 return (0); 1409 } 1410 1411 int 1412 pfctl_append_rule(struct pfctl *pf, struct pfctl_rule *r, 1413 const char *anchor_call) 1414 { 1415 u_int8_t rs_num; 1416 struct pfctl_rule *rule; 1417 struct pfctl_ruleset *rs; 1418 char *p; 1419 1420 rs_num = pf_get_ruleset_number(r->action); 1421 if (rs_num == PF_RULESET_MAX) 1422 errx(1, "Invalid rule type %d", r->action); 1423 1424 rs = &pf->anchor->ruleset; 1425 1426 if (anchor_call[0] && r->anchor == NULL) { 1427 /* 1428 * Don't make non-brace anchors part of the main anchor pool. 1429 */ 1430 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1431 err(1, "pfctl_append_rule: calloc"); 1432 1433 pf_init_ruleset(&r->anchor->ruleset); 1434 r->anchor->ruleset.anchor = r->anchor; 1435 if (strlcpy(r->anchor->path, anchor_call, 1436 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1437 errx(1, "pfctl_append_rule: strlcpy"); 1438 if ((p = strrchr(anchor_call, '/')) != NULL) { 1439 if (!strlen(p)) 1440 err(1, "pfctl_append_rule: bad anchor name %s", 1441 anchor_call); 1442 } else 1443 p = (char *)anchor_call; 1444 if (strlcpy(r->anchor->name, p, 1445 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1446 errx(1, "pfctl_append_rule: strlcpy"); 1447 } 1448 1449 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1450 err(1, "calloc"); 1451 bcopy(r, rule, sizeof(*rule)); 1452 TAILQ_INIT(&rule->rpool.list); 1453 pfctl_move_pool(&r->rpool, &rule->rpool); 1454 1455 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries); 1456 return (0); 1457 } 1458 1459 int 1460 pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pfctl_anchor *a) 1461 { 1462 int osize = pf->trans->pfrb_size; 1463 1464 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) { 1465 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) || 1466 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) || 1467 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path)) 1468 return (1); 1469 } 1470 if (a == pf->astack[0] && ((altqsupport && 1471 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) { 1472 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path)) 1473 return (2); 1474 } 1475 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) { 1476 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) || 1477 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path)) 1478 return (3); 1479 } 1480 if (pf->loadopt & PFCTL_FLAG_TABLE) 1481 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path)) 1482 return (4); 1483 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1484 return (5); 1485 1486 return (0); 1487 } 1488 1489 int 1490 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs, 1491 int rs_num, int depth) 1492 { 1493 struct pfctl_rule *r; 1494 int error, len = strlen(path); 1495 int brace = 0; 1496 1497 pf->anchor = rs->anchor; 1498 1499 if (path[0]) 1500 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name); 1501 else 1502 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name); 1503 1504 if (depth) { 1505 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) { 1506 brace++; 1507 if (pf->opts & PF_OPT_VERBOSE) 1508 printf(" {\n"); 1509 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1510 (error = pfctl_ruleset_trans(pf, 1511 path, rs->anchor))) { 1512 printf("pfctl_load_rulesets: " 1513 "pfctl_ruleset_trans %d\n", error); 1514 goto error; 1515 } 1516 } else if (pf->opts & PF_OPT_VERBOSE) 1517 printf("\n"); 1518 1519 } 1520 1521 if (pf->optimize && rs_num == PF_RULESET_FILTER) 1522 pfctl_optimize_ruleset(pf, rs); 1523 1524 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) { 1525 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries); 1526 if ((error = pfctl_load_rule(pf, path, r, depth))) 1527 goto error; 1528 if (r->anchor) { 1529 if ((error = pfctl_load_ruleset(pf, path, 1530 &r->anchor->ruleset, rs_num, depth + 1))) 1531 goto error; 1532 } else if (pf->opts & PF_OPT_VERBOSE) 1533 printf("\n"); 1534 free(r); 1535 } 1536 if (brace && pf->opts & PF_OPT_VERBOSE) { 1537 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 1538 printf("}\n"); 1539 } 1540 path[len] = '\0'; 1541 return (0); 1542 1543 error: 1544 path[len] = '\0'; 1545 return (error); 1546 1547 } 1548 1549 int 1550 pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth) 1551 { 1552 u_int8_t rs_num = pf_get_ruleset_number(r->action); 1553 char *name; 1554 u_int32_t ticket; 1555 char anchor[PF_ANCHOR_NAME_SIZE]; 1556 int len = strlen(path); 1557 1558 /* set up anchor before adding to path for anchor_call */ 1559 if ((pf->opts & PF_OPT_NOACTION) == 0) 1560 ticket = pfctl_get_ticket(pf->trans, rs_num, path); 1561 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 1562 errx(1, "pfctl_load_rule: strlcpy"); 1563 1564 if (r->anchor) { 1565 if (r->anchor->match) { 1566 if (path[0]) 1567 snprintf(&path[len], MAXPATHLEN - len, 1568 "/%s", r->anchor->name); 1569 else 1570 snprintf(&path[len], MAXPATHLEN - len, 1571 "%s", r->anchor->name); 1572 name = r->anchor->name; 1573 } else 1574 name = r->anchor->path; 1575 } else 1576 name = ""; 1577 1578 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1579 if (pfctl_add_pool(pf, &r->rpool, r->af)) 1580 return (1); 1581 if (pfctl_add_rule(pf->dev, r, anchor, name, ticket, 1582 pf->paddr.ticket)) 1583 err(1, "DIOCADDRULENV"); 1584 } 1585 1586 if (pf->opts & PF_OPT_VERBOSE) { 1587 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 1588 print_rule(r, r->anchor ? r->anchor->name : "", 1589 pf->opts & PF_OPT_VERBOSE2, 1590 pf->opts & PF_OPT_NUMERIC); 1591 } 1592 path[len] = '\0'; 1593 pfctl_clear_pool(&r->rpool); 1594 return (0); 1595 } 1596 1597 int 1598 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a) 1599 { 1600 if (altqsupport && 1601 (loadopt & PFCTL_FLAG_ALTQ) != 0) { 1602 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq)); 1603 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1604 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) { 1605 if (errno == ENXIO) 1606 errx(1, "qtype not configured"); 1607 else if (errno == ENODEV) 1608 errx(1, "%s: driver does not support " 1609 "altq", a->ifname); 1610 else 1611 err(1, "DIOCADDALTQ"); 1612 } 1613 } 1614 pfaltq_store(&pf->paltq->altq); 1615 } 1616 return (0); 1617 } 1618 1619 int 1620 pfctl_rules(int dev, char *filename, int opts, int optimize, 1621 char *anchorname, struct pfr_buffer *trans) 1622 { 1623 #define ERR(x) do { warn(x); goto _error; } while(0) 1624 #define ERRX(x) do { warnx(x); goto _error; } while(0) 1625 1626 struct pfr_buffer *t, buf; 1627 struct pfioc_altq pa; 1628 struct pfctl pf; 1629 struct pfctl_ruleset *rs; 1630 struct pfr_table trs; 1631 char *path; 1632 int osize; 1633 1634 RB_INIT(&pf_anchors); 1635 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor)); 1636 pf_init_ruleset(&pf_main_anchor.ruleset); 1637 pf_main_anchor.ruleset.anchor = &pf_main_anchor; 1638 if (trans == NULL) { 1639 bzero(&buf, sizeof(buf)); 1640 buf.pfrb_type = PFRB_TRANS; 1641 t = &buf; 1642 osize = 0; 1643 } else { 1644 t = trans; 1645 osize = t->pfrb_size; 1646 } 1647 1648 memset(&pa, 0, sizeof(pa)); 1649 pa.version = PFIOC_ALTQ_VERSION; 1650 memset(&pf, 0, sizeof(pf)); 1651 memset(&trs, 0, sizeof(trs)); 1652 if ((path = calloc(1, MAXPATHLEN)) == NULL) 1653 ERRX("pfctl_rules: calloc"); 1654 if (strlcpy(trs.pfrt_anchor, anchorname, 1655 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor)) 1656 ERRX("pfctl_rules: strlcpy"); 1657 pf.dev = dev; 1658 pf.opts = opts; 1659 pf.optimize = optimize; 1660 pf.loadopt = loadopt; 1661 1662 /* non-brace anchor, create without resolving the path */ 1663 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL) 1664 ERRX("pfctl_rules: calloc"); 1665 rs = &pf.anchor->ruleset; 1666 pf_init_ruleset(rs); 1667 rs->anchor = pf.anchor; 1668 if (strlcpy(pf.anchor->path, anchorname, 1669 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path)) 1670 errx(1, "pfctl_add_rule: strlcpy"); 1671 if (strlcpy(pf.anchor->name, anchorname, 1672 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name)) 1673 errx(1, "pfctl_add_rule: strlcpy"); 1674 1675 1676 pf.astack[0] = pf.anchor; 1677 pf.asd = 0; 1678 if (anchorname[0]) 1679 pf.loadopt &= ~PFCTL_FLAG_ALTQ; 1680 pf.paltq = &pa; 1681 pf.trans = t; 1682 pfctl_init_options(&pf); 1683 1684 if ((opts & PF_OPT_NOACTION) == 0) { 1685 /* 1686 * XXX For the time being we need to open transactions for 1687 * the main ruleset before parsing, because tables are still 1688 * loaded at parse time. 1689 */ 1690 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor)) 1691 ERRX("pfctl_rules"); 1692 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ)) 1693 pa.ticket = 1694 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname); 1695 if (pf.loadopt & PFCTL_FLAG_TABLE) 1696 pf.astack[0]->ruleset.tticket = 1697 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname); 1698 } 1699 1700 if (parse_config(filename, &pf) < 0) { 1701 if ((opts & PF_OPT_NOACTION) == 0) 1702 ERRX("Syntax error in config file: " 1703 "pf rules not loaded"); 1704 else 1705 goto _error; 1706 } 1707 if (loadopt & PFCTL_FLAG_OPTION) 1708 pfctl_adjust_skip_ifaces(&pf); 1709 1710 if ((pf.loadopt & PFCTL_FLAG_FILTER && 1711 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) || 1712 (pf.loadopt & PFCTL_FLAG_NAT && 1713 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) || 1714 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) || 1715 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) || 1716 (pf.loadopt & PFCTL_FLAG_FILTER && 1717 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) { 1718 if ((opts & PF_OPT_NOACTION) == 0) 1719 ERRX("Unable to load rules into kernel"); 1720 else 1721 goto _error; 1722 } 1723 1724 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0)) 1725 if (check_commit_altq(dev, opts) != 0) 1726 ERRX("errors in altq config"); 1727 1728 /* process "load anchor" directives */ 1729 if (!anchorname[0]) 1730 if (pfctl_load_anchors(dev, &pf, t) == -1) 1731 ERRX("load anchors"); 1732 1733 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) { 1734 if (!anchorname[0]) 1735 if (pfctl_load_options(&pf)) 1736 goto _error; 1737 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize)) 1738 ERR("DIOCXCOMMIT"); 1739 } 1740 free(path); 1741 return (0); 1742 1743 _error: 1744 if (trans == NULL) { /* main ruleset */ 1745 if ((opts & PF_OPT_NOACTION) == 0) 1746 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize)) 1747 err(1, "DIOCXROLLBACK"); 1748 exit(1); 1749 } else { /* sub ruleset */ 1750 free(path); 1751 return (-1); 1752 } 1753 1754 #undef ERR 1755 #undef ERRX 1756 } 1757 1758 FILE * 1759 pfctl_fopen(const char *name, const char *mode) 1760 { 1761 struct stat st; 1762 FILE *fp; 1763 1764 fp = fopen(name, mode); 1765 if (fp == NULL) 1766 return (NULL); 1767 if (fstat(fileno(fp), &st)) { 1768 fclose(fp); 1769 return (NULL); 1770 } 1771 if (S_ISDIR(st.st_mode)) { 1772 fclose(fp); 1773 errno = EISDIR; 1774 return (NULL); 1775 } 1776 return (fp); 1777 } 1778 1779 void 1780 pfctl_init_options(struct pfctl *pf) 1781 { 1782 1783 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 1784 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; 1785 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 1786 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; 1787 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; 1788 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; 1789 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; 1790 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; 1791 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; 1792 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; 1793 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; 1794 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; 1795 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; 1796 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; 1797 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL; 1798 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; 1799 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; 1800 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; 1801 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; 1802 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; 1803 1804 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT; 1805 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT; 1806 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT; 1807 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT; 1808 1809 pf->debug = PF_DEBUG_URGENT; 1810 } 1811 1812 int 1813 pfctl_load_options(struct pfctl *pf) 1814 { 1815 int i, error = 0; 1816 1817 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 1818 return (0); 1819 1820 /* load limits */ 1821 for (i = 0; i < PF_LIMIT_MAX; i++) { 1822 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i]) 1823 continue; 1824 if (pfctl_load_limit(pf, i, pf->limit[i])) 1825 error = 1; 1826 } 1827 1828 /* 1829 * If we've set the limit, but haven't explicitly set adaptive 1830 * timeouts, do it now with a start of 60% and end of 120%. 1831 */ 1832 if (pf->limit_set[PF_LIMIT_STATES] && 1833 !pf->timeout_set[PFTM_ADAPTIVE_START] && 1834 !pf->timeout_set[PFTM_ADAPTIVE_END]) { 1835 pf->timeout[PFTM_ADAPTIVE_START] = 1836 (pf->limit[PF_LIMIT_STATES] / 10) * 6; 1837 pf->timeout_set[PFTM_ADAPTIVE_START] = 1; 1838 pf->timeout[PFTM_ADAPTIVE_END] = 1839 (pf->limit[PF_LIMIT_STATES] / 10) * 12; 1840 pf->timeout_set[PFTM_ADAPTIVE_END] = 1; 1841 } 1842 1843 /* load timeouts */ 1844 for (i = 0; i < PFTM_MAX; i++) { 1845 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i]) 1846 continue; 1847 if (pfctl_load_timeout(pf, i, pf->timeout[i])) 1848 error = 1; 1849 } 1850 1851 /* load debug */ 1852 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set) 1853 if (pfctl_load_debug(pf, pf->debug)) 1854 error = 1; 1855 1856 /* load logif */ 1857 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set) 1858 if (pfctl_load_logif(pf, pf->ifname)) 1859 error = 1; 1860 1861 /* load hostid */ 1862 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set) 1863 if (pfctl_load_hostid(pf, pf->hostid)) 1864 error = 1; 1865 1866 /* load keepcounters */ 1867 if (pfctl_set_keepcounters(pf->dev, pf->keep_counters)) 1868 error = 1; 1869 1870 /* load syncookies settings */ 1871 if (pfctl_load_syncookies(pf, pf->syncookies)) 1872 error = 1; 1873 1874 return (error); 1875 } 1876 1877 int 1878 pfctl_set_limit(struct pfctl *pf, const char *opt, unsigned int limit) 1879 { 1880 int i; 1881 1882 1883 for (i = 0; pf_limits[i].name; i++) { 1884 if (strcasecmp(opt, pf_limits[i].name) == 0) { 1885 pf->limit[pf_limits[i].index] = limit; 1886 pf->limit_set[pf_limits[i].index] = 1; 1887 break; 1888 } 1889 } 1890 if (pf_limits[i].name == NULL) { 1891 warnx("Bad pool name."); 1892 return (1); 1893 } 1894 1895 if (pf->opts & PF_OPT_VERBOSE) 1896 printf("set limit %s %d\n", opt, limit); 1897 1898 return (0); 1899 } 1900 1901 int 1902 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit) 1903 { 1904 struct pfioc_limit pl; 1905 1906 memset(&pl, 0, sizeof(pl)); 1907 pl.index = index; 1908 pl.limit = limit; 1909 if (ioctl(pf->dev, DIOCSETLIMIT, &pl)) { 1910 if (errno == EBUSY) 1911 warnx("Current pool size exceeds requested hard limit"); 1912 else 1913 warnx("DIOCSETLIMIT"); 1914 return (1); 1915 } 1916 return (0); 1917 } 1918 1919 int 1920 pfctl_set_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet) 1921 { 1922 int i; 1923 1924 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 1925 return (0); 1926 1927 for (i = 0; pf_timeouts[i].name; i++) { 1928 if (strcasecmp(opt, pf_timeouts[i].name) == 0) { 1929 pf->timeout[pf_timeouts[i].timeout] = seconds; 1930 pf->timeout_set[pf_timeouts[i].timeout] = 1; 1931 break; 1932 } 1933 } 1934 1935 if (pf_timeouts[i].name == NULL) { 1936 warnx("Bad timeout name."); 1937 return (1); 1938 } 1939 1940 1941 if (pf->opts & PF_OPT_VERBOSE && ! quiet) 1942 printf("set timeout %s %d\n", opt, seconds); 1943 1944 return (0); 1945 } 1946 1947 int 1948 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds) 1949 { 1950 struct pfioc_tm pt; 1951 1952 memset(&pt, 0, sizeof(pt)); 1953 pt.timeout = timeout; 1954 pt.seconds = seconds; 1955 if (ioctl(pf->dev, DIOCSETTIMEOUT, &pt)) { 1956 warnx("DIOCSETTIMEOUT"); 1957 return (1); 1958 } 1959 return (0); 1960 } 1961 1962 int 1963 pfctl_set_optimization(struct pfctl *pf, const char *opt) 1964 { 1965 const struct pf_hint *hint; 1966 int i, r; 1967 1968 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 1969 return (0); 1970 1971 for (i = 0; pf_hints[i].name; i++) 1972 if (strcasecmp(opt, pf_hints[i].name) == 0) 1973 break; 1974 1975 hint = pf_hints[i].hint; 1976 if (hint == NULL) { 1977 warnx("invalid state timeouts optimization"); 1978 return (1); 1979 } 1980 1981 for (i = 0; hint[i].name; i++) 1982 if ((r = pfctl_set_timeout(pf, hint[i].name, 1983 hint[i].timeout, 1))) 1984 return (r); 1985 1986 if (pf->opts & PF_OPT_VERBOSE) 1987 printf("set optimization %s\n", opt); 1988 1989 return (0); 1990 } 1991 1992 int 1993 pfctl_set_logif(struct pfctl *pf, char *ifname) 1994 { 1995 1996 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 1997 return (0); 1998 1999 if (!strcmp(ifname, "none")) { 2000 free(pf->ifname); 2001 pf->ifname = NULL; 2002 } else { 2003 pf->ifname = strdup(ifname); 2004 if (!pf->ifname) 2005 errx(1, "pfctl_set_logif: strdup"); 2006 } 2007 pf->ifname_set = 1; 2008 2009 if (pf->opts & PF_OPT_VERBOSE) 2010 printf("set loginterface %s\n", ifname); 2011 2012 return (0); 2013 } 2014 2015 int 2016 pfctl_load_logif(struct pfctl *pf, char *ifname) 2017 { 2018 struct pfioc_if pi; 2019 2020 memset(&pi, 0, sizeof(pi)); 2021 if (ifname && strlcpy(pi.ifname, ifname, 2022 sizeof(pi.ifname)) >= sizeof(pi.ifname)) { 2023 warnx("pfctl_load_logif: strlcpy"); 2024 return (1); 2025 } 2026 if (ioctl(pf->dev, DIOCSETSTATUSIF, &pi)) { 2027 warnx("DIOCSETSTATUSIF"); 2028 return (1); 2029 } 2030 return (0); 2031 } 2032 2033 int 2034 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid) 2035 { 2036 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2037 return (0); 2038 2039 HTONL(hostid); 2040 2041 pf->hostid = hostid; 2042 pf->hostid_set = 1; 2043 2044 if (pf->opts & PF_OPT_VERBOSE) 2045 printf("set hostid 0x%08x\n", ntohl(hostid)); 2046 2047 return (0); 2048 } 2049 2050 int 2051 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid) 2052 { 2053 if (ioctl(dev, DIOCSETHOSTID, &hostid)) { 2054 warnx("DIOCSETHOSTID"); 2055 return (1); 2056 } 2057 return (0); 2058 } 2059 2060 int 2061 pfctl_load_syncookies(struct pfctl *pf, u_int8_t val) 2062 { 2063 struct pfctl_syncookies cookies; 2064 2065 bzero(&cookies, sizeof(cookies)); 2066 2067 cookies.mode = val ? PFCTL_SYNCOOKIES_ALWAYS : PFCTL_SYNCOOKIES_NEVER; 2068 2069 if (pfctl_set_syncookies(dev, &cookies)) { 2070 warnx("DIOCSETSYNCOOKIES"); 2071 return (1); 2072 } 2073 return (0); 2074 } 2075 2076 int 2077 pfctl_set_debug(struct pfctl *pf, char *d) 2078 { 2079 u_int32_t level; 2080 2081 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2082 return (0); 2083 2084 if (!strcmp(d, "none")) 2085 pf->debug = PF_DEBUG_NONE; 2086 else if (!strcmp(d, "urgent")) 2087 pf->debug = PF_DEBUG_URGENT; 2088 else if (!strcmp(d, "misc")) 2089 pf->debug = PF_DEBUG_MISC; 2090 else if (!strcmp(d, "loud")) 2091 pf->debug = PF_DEBUG_NOISY; 2092 else { 2093 warnx("unknown debug level \"%s\"", d); 2094 return (-1); 2095 } 2096 2097 pf->debug_set = 1; 2098 level = pf->debug; 2099 2100 if ((pf->opts & PF_OPT_NOACTION) == 0) 2101 if (ioctl(dev, DIOCSETDEBUG, &level)) 2102 err(1, "DIOCSETDEBUG"); 2103 2104 if (pf->opts & PF_OPT_VERBOSE) 2105 printf("set debug %s\n", d); 2106 2107 return (0); 2108 } 2109 2110 int 2111 pfctl_load_debug(struct pfctl *pf, unsigned int level) 2112 { 2113 if (ioctl(pf->dev, DIOCSETDEBUG, &level)) { 2114 warnx("DIOCSETDEBUG"); 2115 return (1); 2116 } 2117 return (0); 2118 } 2119 2120 int 2121 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how) 2122 { 2123 struct pfioc_iface pi; 2124 struct node_host *h = NULL, *n = NULL; 2125 2126 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2127 return (0); 2128 2129 bzero(&pi, sizeof(pi)); 2130 2131 pi.pfiio_flags = flags; 2132 2133 /* Make sure our cache matches the kernel. If we set or clear the flag 2134 * for a group this applies to all members. */ 2135 h = ifa_grouplookup(ifname, 0); 2136 for (n = h; n != NULL; n = n->next) 2137 pfctl_set_interface_flags(pf, n->ifname, flags, how); 2138 2139 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >= 2140 sizeof(pi.pfiio_name)) 2141 errx(1, "pfctl_set_interface_flags: strlcpy"); 2142 2143 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2144 if (how == 0) { 2145 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi)) 2146 err(1, "DIOCCLRIFFLAG"); 2147 } else { 2148 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi)) 2149 err(1, "DIOCSETIFFLAG"); 2150 pfctl_check_skip_ifaces(ifname); 2151 } 2152 } 2153 return (0); 2154 } 2155 2156 void 2157 pfctl_debug(int dev, u_int32_t level, int opts) 2158 { 2159 if (ioctl(dev, DIOCSETDEBUG, &level)) 2160 err(1, "DIOCSETDEBUG"); 2161 if ((opts & PF_OPT_QUIET) == 0) { 2162 fprintf(stderr, "debug level set to '"); 2163 switch (level) { 2164 case PF_DEBUG_NONE: 2165 fprintf(stderr, "none"); 2166 break; 2167 case PF_DEBUG_URGENT: 2168 fprintf(stderr, "urgent"); 2169 break; 2170 case PF_DEBUG_MISC: 2171 fprintf(stderr, "misc"); 2172 break; 2173 case PF_DEBUG_NOISY: 2174 fprintf(stderr, "loud"); 2175 break; 2176 default: 2177 fprintf(stderr, "<invalid>"); 2178 break; 2179 } 2180 fprintf(stderr, "'\n"); 2181 } 2182 } 2183 2184 int 2185 pfctl_test_altqsupport(int dev, int opts) 2186 { 2187 struct pfioc_altq pa; 2188 2189 pa.version = PFIOC_ALTQ_VERSION; 2190 if (ioctl(dev, DIOCGETALTQS, &pa)) { 2191 if (errno == ENODEV) { 2192 if (opts & PF_OPT_VERBOSE) 2193 fprintf(stderr, "No ALTQ support in kernel\n" 2194 "ALTQ related functions disabled\n"); 2195 return (0); 2196 } else 2197 err(1, "DIOCGETALTQS"); 2198 } 2199 return (1); 2200 } 2201 2202 int 2203 pfctl_show_anchors(int dev, int opts, char *anchorname) 2204 { 2205 struct pfioc_ruleset pr; 2206 u_int32_t mnr, nr; 2207 2208 memset(&pr, 0, sizeof(pr)); 2209 memcpy(pr.path, anchorname, sizeof(pr.path)); 2210 if (ioctl(dev, DIOCGETRULESETS, &pr)) { 2211 if (errno == EINVAL) 2212 fprintf(stderr, "Anchor '%s' not found.\n", 2213 anchorname); 2214 else 2215 err(1, "DIOCGETRULESETS"); 2216 return (-1); 2217 } 2218 mnr = pr.nr; 2219 for (nr = 0; nr < mnr; ++nr) { 2220 char sub[MAXPATHLEN]; 2221 2222 pr.nr = nr; 2223 if (ioctl(dev, DIOCGETRULESET, &pr)) 2224 err(1, "DIOCGETRULESET"); 2225 if (!strcmp(pr.name, PF_RESERVED_ANCHOR)) 2226 continue; 2227 sub[0] = 0; 2228 if (pr.path[0]) { 2229 strlcat(sub, pr.path, sizeof(sub)); 2230 strlcat(sub, "/", sizeof(sub)); 2231 } 2232 strlcat(sub, pr.name, sizeof(sub)); 2233 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2234 printf(" %s\n", sub); 2235 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub)) 2236 return (-1); 2237 } 2238 return (0); 2239 } 2240 2241 const char * 2242 pfctl_lookup_option(char *cmd, const char * const *list) 2243 { 2244 if (cmd != NULL && *cmd) 2245 for (; *list; list++) 2246 if (!strncmp(cmd, *list, strlen(cmd))) 2247 return (*list); 2248 return (NULL); 2249 } 2250 2251 int 2252 main(int argc, char *argv[]) 2253 { 2254 int error = 0; 2255 int ch; 2256 int mode = O_RDONLY; 2257 int opts = 0; 2258 int optimize = PF_OPTIMIZE_BASIC; 2259 char anchorname[MAXPATHLEN]; 2260 char *path; 2261 2262 if (argc < 2) 2263 usage(); 2264 2265 while ((ch = getopt(argc, argv, 2266 "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) { 2267 switch (ch) { 2268 case 'a': 2269 anchoropt = optarg; 2270 break; 2271 case 'd': 2272 opts |= PF_OPT_DISABLE; 2273 mode = O_RDWR; 2274 break; 2275 case 'D': 2276 if (pfctl_cmdline_symset(optarg) < 0) 2277 warnx("could not parse macro definition %s", 2278 optarg); 2279 break; 2280 case 'e': 2281 opts |= PF_OPT_ENABLE; 2282 mode = O_RDWR; 2283 break; 2284 case 'q': 2285 opts |= PF_OPT_QUIET; 2286 break; 2287 case 'F': 2288 clearopt = pfctl_lookup_option(optarg, clearopt_list); 2289 if (clearopt == NULL) { 2290 warnx("Unknown flush modifier '%s'", optarg); 2291 usage(); 2292 } 2293 mode = O_RDWR; 2294 break; 2295 case 'i': 2296 ifaceopt = optarg; 2297 break; 2298 case 'k': 2299 if (state_killers >= 2) { 2300 warnx("can only specify -k twice"); 2301 usage(); 2302 /* NOTREACHED */ 2303 } 2304 state_kill[state_killers++] = optarg; 2305 mode = O_RDWR; 2306 break; 2307 case 'K': 2308 if (src_node_killers >= 2) { 2309 warnx("can only specify -K twice"); 2310 usage(); 2311 /* NOTREACHED */ 2312 } 2313 src_node_kill[src_node_killers++] = optarg; 2314 mode = O_RDWR; 2315 break; 2316 case 'm': 2317 opts |= PF_OPT_MERGE; 2318 break; 2319 case 'M': 2320 opts |= PF_OPT_KILLMATCH; 2321 break; 2322 case 'n': 2323 opts |= PF_OPT_NOACTION; 2324 break; 2325 case 'N': 2326 loadopt |= PFCTL_FLAG_NAT; 2327 break; 2328 case 'r': 2329 opts |= PF_OPT_USEDNS; 2330 break; 2331 case 'f': 2332 rulesopt = optarg; 2333 mode = O_RDWR; 2334 break; 2335 case 'g': 2336 opts |= PF_OPT_DEBUG; 2337 break; 2338 case 'A': 2339 loadopt |= PFCTL_FLAG_ALTQ; 2340 break; 2341 case 'R': 2342 loadopt |= PFCTL_FLAG_FILTER; 2343 break; 2344 case 'o': 2345 optiopt = pfctl_lookup_option(optarg, optiopt_list); 2346 if (optiopt == NULL) { 2347 warnx("Unknown optimization '%s'", optarg); 2348 usage(); 2349 } 2350 opts |= PF_OPT_OPTIMIZE; 2351 break; 2352 case 'O': 2353 loadopt |= PFCTL_FLAG_OPTION; 2354 break; 2355 case 'p': 2356 pf_device = optarg; 2357 break; 2358 case 'P': 2359 opts |= PF_OPT_NUMERIC; 2360 break; 2361 case 's': 2362 showopt = pfctl_lookup_option(optarg, showopt_list); 2363 if (showopt == NULL) { 2364 warnx("Unknown show modifier '%s'", optarg); 2365 usage(); 2366 } 2367 break; 2368 case 't': 2369 tableopt = optarg; 2370 break; 2371 case 'T': 2372 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list); 2373 if (tblcmdopt == NULL) { 2374 warnx("Unknown table command '%s'", optarg); 2375 usage(); 2376 } 2377 break; 2378 case 'v': 2379 if (opts & PF_OPT_VERBOSE) 2380 opts |= PF_OPT_VERBOSE2; 2381 opts |= PF_OPT_VERBOSE; 2382 break; 2383 case 'x': 2384 debugopt = pfctl_lookup_option(optarg, debugopt_list); 2385 if (debugopt == NULL) { 2386 warnx("Unknown debug level '%s'", optarg); 2387 usage(); 2388 } 2389 mode = O_RDWR; 2390 break; 2391 case 'z': 2392 opts |= PF_OPT_CLRRULECTRS; 2393 mode = O_RDWR; 2394 break; 2395 case 'h': 2396 /* FALLTHROUGH */ 2397 default: 2398 usage(); 2399 /* NOTREACHED */ 2400 } 2401 } 2402 2403 if (tblcmdopt != NULL) { 2404 argc -= optind; 2405 argv += optind; 2406 ch = *tblcmdopt; 2407 if (ch == 'l') { 2408 loadopt |= PFCTL_FLAG_TABLE; 2409 tblcmdopt = NULL; 2410 } else 2411 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY; 2412 } else if (argc != optind) { 2413 warnx("unknown command line argument: %s ...", argv[optind]); 2414 usage(); 2415 /* NOTREACHED */ 2416 } 2417 if (loadopt == 0) 2418 loadopt = ~0; 2419 2420 if ((path = calloc(1, MAXPATHLEN)) == NULL) 2421 errx(1, "pfctl: calloc"); 2422 memset(anchorname, 0, sizeof(anchorname)); 2423 if (anchoropt != NULL) { 2424 int len = strlen(anchoropt); 2425 2426 if (anchoropt[len - 1] == '*') { 2427 if (len >= 2 && anchoropt[len - 2] == '/') 2428 anchoropt[len - 2] = '\0'; 2429 else 2430 anchoropt[len - 1] = '\0'; 2431 opts |= PF_OPT_RECURSE; 2432 } 2433 if (strlcpy(anchorname, anchoropt, 2434 sizeof(anchorname)) >= sizeof(anchorname)) 2435 errx(1, "anchor name '%s' too long", 2436 anchoropt); 2437 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE; 2438 } 2439 2440 if ((opts & PF_OPT_NOACTION) == 0) { 2441 dev = open(pf_device, mode); 2442 if (dev == -1) 2443 err(1, "%s", pf_device); 2444 altqsupport = pfctl_test_altqsupport(dev, opts); 2445 } else { 2446 dev = open(pf_device, O_RDONLY); 2447 if (dev >= 0) 2448 opts |= PF_OPT_DUMMYACTION; 2449 /* turn off options */ 2450 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE); 2451 clearopt = showopt = debugopt = NULL; 2452 #if !defined(ENABLE_ALTQ) 2453 altqsupport = 0; 2454 #else 2455 altqsupport = 1; 2456 #endif 2457 } 2458 2459 if (opts & PF_OPT_DISABLE) 2460 if (pfctl_disable(dev, opts)) 2461 error = 1; 2462 2463 if (showopt != NULL) { 2464 switch (*showopt) { 2465 case 'A': 2466 pfctl_show_anchors(dev, opts, anchorname); 2467 break; 2468 case 'r': 2469 pfctl_load_fingerprints(dev, opts); 2470 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES, 2471 anchorname, 0); 2472 break; 2473 case 'l': 2474 pfctl_load_fingerprints(dev, opts); 2475 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS, 2476 anchorname, 0); 2477 break; 2478 case 'n': 2479 pfctl_load_fingerprints(dev, opts); 2480 pfctl_show_nat(dev, opts, anchorname); 2481 break; 2482 case 'q': 2483 pfctl_show_altq(dev, ifaceopt, opts, 2484 opts & PF_OPT_VERBOSE2); 2485 break; 2486 case 's': 2487 pfctl_show_states(dev, ifaceopt, opts); 2488 break; 2489 case 'S': 2490 pfctl_show_src_nodes(dev, opts); 2491 break; 2492 case 'i': 2493 pfctl_show_status(dev, opts); 2494 break; 2495 case 'R': 2496 error = pfctl_show_running(dev); 2497 break; 2498 case 't': 2499 pfctl_show_timeouts(dev, opts); 2500 break; 2501 case 'm': 2502 pfctl_show_limits(dev, opts); 2503 break; 2504 case 'a': 2505 opts |= PF_OPT_SHOWALL; 2506 pfctl_load_fingerprints(dev, opts); 2507 2508 pfctl_show_nat(dev, opts, anchorname); 2509 pfctl_show_rules(dev, path, opts, 0, anchorname, 0); 2510 pfctl_show_altq(dev, ifaceopt, opts, 0); 2511 pfctl_show_states(dev, ifaceopt, opts); 2512 pfctl_show_src_nodes(dev, opts); 2513 pfctl_show_status(dev, opts); 2514 pfctl_show_rules(dev, path, opts, 1, anchorname, 0); 2515 pfctl_show_timeouts(dev, opts); 2516 pfctl_show_limits(dev, opts); 2517 pfctl_show_tables(anchorname, opts); 2518 pfctl_show_fingerprints(opts); 2519 break; 2520 case 'T': 2521 pfctl_show_tables(anchorname, opts); 2522 break; 2523 case 'o': 2524 pfctl_load_fingerprints(dev, opts); 2525 pfctl_show_fingerprints(opts); 2526 break; 2527 case 'I': 2528 pfctl_show_ifaces(ifaceopt, opts); 2529 break; 2530 } 2531 } 2532 2533 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL) 2534 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 2535 anchorname, 0); 2536 2537 if (clearopt != NULL) { 2538 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 2539 errx(1, "anchor names beginning with '_' cannot " 2540 "be modified from the command line"); 2541 2542 switch (*clearopt) { 2543 case 'r': 2544 pfctl_clear_rules(dev, opts, anchorname); 2545 break; 2546 case 'n': 2547 pfctl_clear_nat(dev, opts, anchorname); 2548 break; 2549 case 'q': 2550 pfctl_clear_altq(dev, opts); 2551 break; 2552 case 's': 2553 pfctl_clear_iface_states(dev, ifaceopt, opts); 2554 break; 2555 case 'S': 2556 pfctl_clear_src_nodes(dev, opts); 2557 break; 2558 case 'i': 2559 pfctl_clear_stats(dev, opts); 2560 break; 2561 case 'a': 2562 pfctl_clear_rules(dev, opts, anchorname); 2563 pfctl_clear_nat(dev, opts, anchorname); 2564 pfctl_clear_tables(anchorname, opts); 2565 if (!*anchorname) { 2566 pfctl_clear_altq(dev, opts); 2567 pfctl_clear_iface_states(dev, ifaceopt, opts); 2568 pfctl_clear_src_nodes(dev, opts); 2569 pfctl_clear_stats(dev, opts); 2570 pfctl_clear_fingerprints(dev, opts); 2571 pfctl_clear_interface_flags(dev, opts); 2572 } 2573 break; 2574 case 'o': 2575 pfctl_clear_fingerprints(dev, opts); 2576 break; 2577 case 'T': 2578 pfctl_clear_tables(anchorname, opts); 2579 break; 2580 } 2581 } 2582 if (state_killers) { 2583 if (!strcmp(state_kill[0], "label")) 2584 pfctl_label_kill_states(dev, ifaceopt, opts); 2585 else if (!strcmp(state_kill[0], "id")) 2586 pfctl_id_kill_states(dev, ifaceopt, opts); 2587 else if (!strcmp(state_kill[0], "gateway")) 2588 pfctl_gateway_kill_states(dev, ifaceopt, opts); 2589 else 2590 pfctl_net_kill_states(dev, ifaceopt, opts); 2591 } 2592 2593 if (src_node_killers) 2594 pfctl_kill_src_nodes(dev, ifaceopt, opts); 2595 2596 if (tblcmdopt != NULL) { 2597 error = pfctl_command_tables(argc, argv, tableopt, 2598 tblcmdopt, rulesopt, anchorname, opts); 2599 rulesopt = NULL; 2600 } 2601 if (optiopt != NULL) { 2602 switch (*optiopt) { 2603 case 'n': 2604 optimize = 0; 2605 break; 2606 case 'b': 2607 optimize |= PF_OPTIMIZE_BASIC; 2608 break; 2609 case 'o': 2610 case 'p': 2611 optimize |= PF_OPTIMIZE_PROFILE; 2612 break; 2613 } 2614 } 2615 2616 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) && 2617 !anchorname[0] && !(opts & PF_OPT_NOACTION)) 2618 if (pfctl_get_skip_ifaces()) 2619 error = 1; 2620 2621 if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) && 2622 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION)) 2623 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE)) 2624 error = 1; 2625 2626 if (rulesopt != NULL) { 2627 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 2628 errx(1, "anchor names beginning with '_' cannot " 2629 "be modified from the command line"); 2630 if (pfctl_rules(dev, rulesopt, opts, optimize, 2631 anchorname, NULL)) 2632 error = 1; 2633 else if (!(opts & PF_OPT_NOACTION) && 2634 (loadopt & PFCTL_FLAG_TABLE)) 2635 warn_namespace_collision(NULL); 2636 } 2637 2638 if (opts & PF_OPT_ENABLE) 2639 if (pfctl_enable(dev, opts)) 2640 error = 1; 2641 2642 if (debugopt != NULL) { 2643 switch (*debugopt) { 2644 case 'n': 2645 pfctl_debug(dev, PF_DEBUG_NONE, opts); 2646 break; 2647 case 'u': 2648 pfctl_debug(dev, PF_DEBUG_URGENT, opts); 2649 break; 2650 case 'm': 2651 pfctl_debug(dev, PF_DEBUG_MISC, opts); 2652 break; 2653 case 'l': 2654 pfctl_debug(dev, PF_DEBUG_NOISY, opts); 2655 break; 2656 } 2657 } 2658 2659 exit(error); 2660 } 2661