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 } 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 if (pfctl_kill_states(dev, &kill, &killed)) 924 err(1, "DIOCKILLSTATES"); 925 926 if ((opts & PF_OPT_QUIET) == 0) 927 fprintf(stderr, "killed %d states\n", killed); 928 929 return (0); 930 } 931 932 int 933 pfctl_get_pool(int dev, struct pfctl_pool *pool, u_int32_t nr, 934 u_int32_t ticket, int r_action, char *anchorname) 935 { 936 struct pfioc_pooladdr pp; 937 struct pf_pooladdr *pa; 938 u_int32_t pnr, mpnr; 939 940 memset(&pp, 0, sizeof(pp)); 941 memcpy(pp.anchor, anchorname, sizeof(pp.anchor)); 942 pp.r_action = r_action; 943 pp.r_num = nr; 944 pp.ticket = ticket; 945 if (ioctl(dev, DIOCGETADDRS, &pp)) { 946 warn("DIOCGETADDRS"); 947 return (-1); 948 } 949 mpnr = pp.nr; 950 TAILQ_INIT(&pool->list); 951 for (pnr = 0; pnr < mpnr; ++pnr) { 952 pp.nr = pnr; 953 if (ioctl(dev, DIOCGETADDR, &pp)) { 954 warn("DIOCGETADDR"); 955 return (-1); 956 } 957 pa = calloc(1, sizeof(struct pf_pooladdr)); 958 if (pa == NULL) 959 err(1, "calloc"); 960 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr)); 961 TAILQ_INSERT_TAIL(&pool->list, pa, entries); 962 } 963 964 return (0); 965 } 966 967 void 968 pfctl_move_pool(struct pfctl_pool *src, struct pfctl_pool *dst) 969 { 970 struct pf_pooladdr *pa; 971 972 while ((pa = TAILQ_FIRST(&src->list)) != NULL) { 973 TAILQ_REMOVE(&src->list, pa, entries); 974 TAILQ_INSERT_TAIL(&dst->list, pa, entries); 975 } 976 } 977 978 void 979 pfctl_clear_pool(struct pfctl_pool *pool) 980 { 981 struct pf_pooladdr *pa; 982 983 while ((pa = TAILQ_FIRST(&pool->list)) != NULL) { 984 TAILQ_REMOVE(&pool->list, pa, entries); 985 free(pa); 986 } 987 } 988 989 void 990 pfctl_print_rule_counters(struct pfctl_rule *rule, int opts) 991 { 992 if (opts & PF_OPT_DEBUG) { 993 const char *t[PF_SKIP_COUNT] = { "i", "d", "f", 994 "p", "sa", "sp", "da", "dp" }; 995 int i; 996 997 printf(" [ Skip steps: "); 998 for (i = 0; i < PF_SKIP_COUNT; ++i) { 999 if (rule->skip[i].nr == rule->nr + 1) 1000 continue; 1001 printf("%s=", t[i]); 1002 if (rule->skip[i].nr == -1) 1003 printf("end "); 1004 else 1005 printf("%u ", rule->skip[i].nr); 1006 } 1007 printf("]\n"); 1008 1009 printf(" [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n", 1010 rule->qname, rule->qid, rule->pqname, rule->pqid); 1011 } 1012 if (opts & PF_OPT_VERBOSE) { 1013 printf(" [ Evaluations: %-8llu Packets: %-8llu " 1014 "Bytes: %-10llu States: %-6ju]\n", 1015 (unsigned long long)rule->evaluations, 1016 (unsigned long long)(rule->packets[0] + 1017 rule->packets[1]), 1018 (unsigned long long)(rule->bytes[0] + 1019 rule->bytes[1]), (uintmax_t)rule->states_cur); 1020 if (!(opts & PF_OPT_DEBUG)) 1021 printf(" [ Inserted: uid %u pid %u " 1022 "State Creations: %-6ju]\n", 1023 (unsigned)rule->cuid, (unsigned)rule->cpid, 1024 (uintmax_t)rule->states_tot); 1025 } 1026 } 1027 1028 void 1029 pfctl_print_title(char *title) 1030 { 1031 if (!first_title) 1032 printf("\n"); 1033 first_title = 0; 1034 printf("%s\n", title); 1035 } 1036 1037 int 1038 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format, 1039 char *anchorname, int depth) 1040 { 1041 struct pfioc_rule pr; 1042 struct pfctl_rule rule; 1043 u_int32_t nr, mnr, header = 0; 1044 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 1045 int numeric = opts & PF_OPT_NUMERIC; 1046 int len = strlen(path); 1047 int brace; 1048 char *p; 1049 1050 if (path[0]) 1051 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname); 1052 else 1053 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname); 1054 1055 memset(&pr, 0, sizeof(pr)); 1056 memcpy(pr.anchor, path, sizeof(pr.anchor)); 1057 if (opts & PF_OPT_SHOWALL) { 1058 pr.rule.action = PF_PASS; 1059 if (ioctl(dev, DIOCGETRULES, &pr)) { 1060 warn("DIOCGETRULES"); 1061 goto error; 1062 } 1063 header++; 1064 } 1065 pr.rule.action = PF_SCRUB; 1066 if (ioctl(dev, DIOCGETRULES, &pr)) { 1067 warn("DIOCGETRULES"); 1068 goto error; 1069 } 1070 if (opts & PF_OPT_SHOWALL) { 1071 if (format == PFCTL_SHOW_RULES && (pr.nr > 0 || header)) 1072 pfctl_print_title("FILTER RULES:"); 1073 else if (format == PFCTL_SHOW_LABELS && labels) 1074 pfctl_print_title("LABEL COUNTERS:"); 1075 } 1076 mnr = pr.nr; 1077 1078 for (nr = 0; nr < mnr; ++nr) { 1079 pr.nr = nr; 1080 if (pfctl_get_clear_rule(dev, nr, pr.ticket, path, PF_SCRUB, 1081 &rule, pr.anchor_call, opts & PF_OPT_CLRRULECTRS)) { 1082 warn("DIOCGETRULENV"); 1083 goto error; 1084 } 1085 1086 if (pfctl_get_pool(dev, &rule.rpool, 1087 nr, pr.ticket, PF_SCRUB, path) != 0) 1088 goto error; 1089 1090 switch (format) { 1091 case PFCTL_SHOW_LABELS: 1092 break; 1093 case PFCTL_SHOW_RULES: 1094 if (rule.label[0] && (opts & PF_OPT_SHOWALL)) 1095 labels = 1; 1096 print_rule(&rule, pr.anchor_call, rule_numbers, numeric); 1097 printf("\n"); 1098 pfctl_print_rule_counters(&rule, opts); 1099 break; 1100 case PFCTL_SHOW_NOTHING: 1101 break; 1102 } 1103 pfctl_clear_pool(&rule.rpool); 1104 } 1105 pr.rule.action = PF_PASS; 1106 if (ioctl(dev, DIOCGETRULES, &pr)) { 1107 warn("DIOCGETRULES"); 1108 goto error; 1109 } 1110 mnr = pr.nr; 1111 for (nr = 0; nr < mnr; ++nr) { 1112 pr.nr = nr; 1113 if (pfctl_get_clear_rule(dev, nr, pr.ticket, path, PF_PASS, 1114 &rule, pr.anchor_call, opts & PF_OPT_CLRRULECTRS)) { 1115 warn("DIOCGETRULE"); 1116 goto error; 1117 } 1118 1119 if (pfctl_get_pool(dev, &rule.rpool, 1120 nr, pr.ticket, PF_PASS, path) != 0) 1121 goto error; 1122 1123 switch (format) { 1124 case PFCTL_SHOW_LABELS: { 1125 bool show = false; 1126 int i = 0; 1127 1128 while (rule.label[i][0]) { 1129 printf("%s ", rule.label[i++]); 1130 show = true; 1131 } 1132 1133 if (show) { 1134 printf("%llu %llu %llu %llu" 1135 " %llu %llu %llu %ju\n", 1136 (unsigned long long)rule.evaluations, 1137 (unsigned long long)(rule.packets[0] + 1138 rule.packets[1]), 1139 (unsigned long long)(rule.bytes[0] + 1140 rule.bytes[1]), 1141 (unsigned long long)rule.packets[0], 1142 (unsigned long long)rule.bytes[0], 1143 (unsigned long long)rule.packets[1], 1144 (unsigned long long)rule.bytes[1], 1145 (uintmax_t)rule.states_tot); 1146 } 1147 break; 1148 } 1149 case PFCTL_SHOW_RULES: 1150 brace = 0; 1151 if (rule.label[0] && (opts & PF_OPT_SHOWALL)) 1152 labels = 1; 1153 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1154 if (pr.anchor_call[0] && 1155 ((((p = strrchr(pr.anchor_call, '_')) != NULL) && 1156 ((void *)p == (void *)pr.anchor_call || 1157 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) { 1158 brace++; 1159 if ((p = strrchr(pr.anchor_call, '/')) != 1160 NULL) 1161 p++; 1162 else 1163 p = &pr.anchor_call[0]; 1164 } else 1165 p = &pr.anchor_call[0]; 1166 1167 print_rule(&rule, p, rule_numbers, numeric); 1168 if (brace) 1169 printf(" {\n"); 1170 else 1171 printf("\n"); 1172 pfctl_print_rule_counters(&rule, opts); 1173 if (brace) { 1174 pfctl_show_rules(dev, path, opts, format, 1175 p, depth + 1); 1176 INDENT(depth, !(opts & PF_OPT_VERBOSE)); 1177 printf("}\n"); 1178 } 1179 break; 1180 case PFCTL_SHOW_NOTHING: 1181 break; 1182 } 1183 pfctl_clear_pool(&rule.rpool); 1184 } 1185 path[len] = '\0'; 1186 return (0); 1187 1188 error: 1189 path[len] = '\0'; 1190 return (-1); 1191 } 1192 1193 int 1194 pfctl_show_nat(int dev, int opts, char *anchorname) 1195 { 1196 struct pfioc_rule pr; 1197 struct pfctl_rule rule; 1198 u_int32_t mnr, nr; 1199 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT }; 1200 int i, dotitle = opts & PF_OPT_SHOWALL; 1201 1202 memset(&pr, 0, sizeof(pr)); 1203 memcpy(pr.anchor, anchorname, sizeof(pr.anchor)); 1204 for (i = 0; i < 3; i++) { 1205 pr.rule.action = nattype[i]; 1206 if (ioctl(dev, DIOCGETRULES, &pr)) { 1207 warn("DIOCGETRULES"); 1208 return (-1); 1209 } 1210 mnr = pr.nr; 1211 for (nr = 0; nr < mnr; ++nr) { 1212 pr.nr = nr; 1213 if (pfctl_get_rule(dev, nr, pr.ticket, anchorname, 1214 nattype[i], &rule, pr.anchor_call)) { 1215 warn("DIOCGETRULE"); 1216 return (-1); 1217 } 1218 if (pfctl_get_pool(dev, &rule.rpool, nr, 1219 pr.ticket, nattype[i], anchorname) != 0) 1220 return (-1); 1221 if (dotitle) { 1222 pfctl_print_title("TRANSLATION RULES:"); 1223 dotitle = 0; 1224 } 1225 print_rule(&rule, pr.anchor_call, 1226 opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC); 1227 printf("\n"); 1228 pfctl_print_rule_counters(&rule, opts); 1229 pfctl_clear_pool(&rule.rpool); 1230 } 1231 } 1232 return (0); 1233 } 1234 1235 int 1236 pfctl_show_src_nodes(int dev, int opts) 1237 { 1238 struct pfioc_src_nodes psn; 1239 struct pf_src_node *p; 1240 char *inbuf = NULL, *newinbuf = NULL; 1241 unsigned int len = 0; 1242 int i; 1243 1244 memset(&psn, 0, sizeof(psn)); 1245 for (;;) { 1246 psn.psn_len = len; 1247 if (len) { 1248 newinbuf = realloc(inbuf, len); 1249 if (newinbuf == NULL) 1250 err(1, "realloc"); 1251 psn.psn_buf = inbuf = newinbuf; 1252 } 1253 if (ioctl(dev, DIOCGETSRCNODES, &psn) < 0) { 1254 warn("DIOCGETSRCNODES"); 1255 free(inbuf); 1256 return (-1); 1257 } 1258 if (psn.psn_len + sizeof(struct pfioc_src_nodes) < len) 1259 break; 1260 if (len == 0 && psn.psn_len == 0) 1261 goto done; 1262 if (len == 0 && psn.psn_len != 0) 1263 len = psn.psn_len; 1264 if (psn.psn_len == 0) 1265 goto done; /* no src_nodes */ 1266 len *= 2; 1267 } 1268 p = psn.psn_src_nodes; 1269 if (psn.psn_len > 0 && (opts & PF_OPT_SHOWALL)) 1270 pfctl_print_title("SOURCE TRACKING NODES:"); 1271 for (i = 0; i < psn.psn_len; i += sizeof(*p)) { 1272 print_src_node(p, opts); 1273 p++; 1274 } 1275 done: 1276 free(inbuf); 1277 return (0); 1278 } 1279 1280 int 1281 pfctl_show_states(int dev, const char *iface, int opts) 1282 { 1283 struct pfctl_states states; 1284 struct pfctl_state *s; 1285 int dotitle = (opts & PF_OPT_SHOWALL); 1286 1287 memset(&states, 0, sizeof(states)); 1288 1289 if (pfctl_get_states(dev, &states)) 1290 return (-1); 1291 1292 TAILQ_FOREACH(s, &states.states, entry) { 1293 if (iface != NULL && strcmp(s->ifname, iface)) 1294 continue; 1295 if (dotitle) { 1296 pfctl_print_title("STATES:"); 1297 dotitle = 0; 1298 } 1299 print_state(s, opts); 1300 } 1301 1302 pfctl_free_states(&states); 1303 1304 return (0); 1305 } 1306 1307 int 1308 pfctl_show_status(int dev, int opts) 1309 { 1310 struct pfctl_status *status; 1311 struct pfctl_syncookies cookies; 1312 1313 if ((status = pfctl_get_status(dev)) == NULL) { 1314 warn("DIOCGETSTATUS"); 1315 return (-1); 1316 } 1317 if (pfctl_get_syncookies(dev, &cookies)) { 1318 pfctl_free_status(status); 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 pfctl_free_status(status); 1326 return (0); 1327 } 1328 1329 int 1330 pfctl_show_running(int dev) 1331 { 1332 struct pfctl_status *status; 1333 int running; 1334 1335 if ((status = pfctl_get_status(dev)) == NULL) { 1336 warn("DIOCGETSTATUS"); 1337 return (-1); 1338 } 1339 1340 running = status->running; 1341 1342 print_running(status); 1343 pfctl_free_status(status); 1344 return (!running); 1345 } 1346 1347 int 1348 pfctl_show_timeouts(int dev, int opts) 1349 { 1350 struct pfioc_tm pt; 1351 int i; 1352 1353 if (opts & PF_OPT_SHOWALL) 1354 pfctl_print_title("TIMEOUTS:"); 1355 memset(&pt, 0, sizeof(pt)); 1356 for (i = 0; pf_timeouts[i].name; i++) { 1357 pt.timeout = pf_timeouts[i].timeout; 1358 if (ioctl(dev, DIOCGETTIMEOUT, &pt)) 1359 err(1, "DIOCGETTIMEOUT"); 1360 printf("%-20s %10d", pf_timeouts[i].name, pt.seconds); 1361 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START && 1362 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END) 1363 printf(" states"); 1364 else 1365 printf("s"); 1366 printf("\n"); 1367 } 1368 return (0); 1369 1370 } 1371 1372 int 1373 pfctl_show_limits(int dev, int opts) 1374 { 1375 struct pfioc_limit pl; 1376 int i; 1377 1378 if (opts & PF_OPT_SHOWALL) 1379 pfctl_print_title("LIMITS:"); 1380 memset(&pl, 0, sizeof(pl)); 1381 for (i = 0; pf_limits[i].name; i++) { 1382 pl.index = pf_limits[i].index; 1383 if (ioctl(dev, DIOCGETLIMIT, &pl)) 1384 err(1, "DIOCGETLIMIT"); 1385 printf("%-13s ", pf_limits[i].name); 1386 if (pl.limit == UINT_MAX) 1387 printf("unlimited\n"); 1388 else 1389 printf("hard limit %8u\n", pl.limit); 1390 } 1391 return (0); 1392 } 1393 1394 /* callbacks for rule/nat/rdr/addr */ 1395 int 1396 pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af) 1397 { 1398 struct pf_pooladdr *pa; 1399 1400 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1401 if (ioctl(pf->dev, DIOCBEGINADDRS, &pf->paddr)) 1402 err(1, "DIOCBEGINADDRS"); 1403 } 1404 1405 pf->paddr.af = af; 1406 TAILQ_FOREACH(pa, &p->list, entries) { 1407 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr)); 1408 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1409 if (ioctl(pf->dev, DIOCADDADDR, &pf->paddr)) 1410 err(1, "DIOCADDADDR"); 1411 } 1412 } 1413 return (0); 1414 } 1415 1416 int 1417 pfctl_append_rule(struct pfctl *pf, struct pfctl_rule *r, 1418 const char *anchor_call) 1419 { 1420 u_int8_t rs_num; 1421 struct pfctl_rule *rule; 1422 struct pfctl_ruleset *rs; 1423 char *p; 1424 1425 rs_num = pf_get_ruleset_number(r->action); 1426 if (rs_num == PF_RULESET_MAX) 1427 errx(1, "Invalid rule type %d", r->action); 1428 1429 rs = &pf->anchor->ruleset; 1430 1431 if (anchor_call[0] && r->anchor == NULL) { 1432 /* 1433 * Don't make non-brace anchors part of the main anchor pool. 1434 */ 1435 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL) 1436 err(1, "pfctl_append_rule: calloc"); 1437 1438 pf_init_ruleset(&r->anchor->ruleset); 1439 r->anchor->ruleset.anchor = r->anchor; 1440 if (strlcpy(r->anchor->path, anchor_call, 1441 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path)) 1442 errx(1, "pfctl_append_rule: strlcpy"); 1443 if ((p = strrchr(anchor_call, '/')) != NULL) { 1444 if (!strlen(p)) 1445 err(1, "pfctl_append_rule: bad anchor name %s", 1446 anchor_call); 1447 } else 1448 p = (char *)anchor_call; 1449 if (strlcpy(r->anchor->name, p, 1450 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name)) 1451 errx(1, "pfctl_append_rule: strlcpy"); 1452 } 1453 1454 if ((rule = calloc(1, sizeof(*rule))) == NULL) 1455 err(1, "calloc"); 1456 bcopy(r, rule, sizeof(*rule)); 1457 TAILQ_INIT(&rule->rpool.list); 1458 pfctl_move_pool(&r->rpool, &rule->rpool); 1459 1460 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries); 1461 return (0); 1462 } 1463 1464 int 1465 pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pfctl_anchor *a) 1466 { 1467 int osize = pf->trans->pfrb_size; 1468 1469 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) { 1470 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) || 1471 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) || 1472 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path)) 1473 return (1); 1474 } 1475 if (a == pf->astack[0] && ((altqsupport && 1476 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) { 1477 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path)) 1478 return (2); 1479 } 1480 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) { 1481 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) || 1482 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path)) 1483 return (3); 1484 } 1485 if (pf->loadopt & PFCTL_FLAG_TABLE) 1486 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path)) 1487 return (4); 1488 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize)) 1489 return (5); 1490 1491 return (0); 1492 } 1493 1494 int 1495 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs, 1496 int rs_num, int depth) 1497 { 1498 struct pfctl_rule *r; 1499 int error, len = strlen(path); 1500 int brace = 0; 1501 1502 pf->anchor = rs->anchor; 1503 1504 if (path[0]) 1505 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name); 1506 else 1507 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name); 1508 1509 if (depth) { 1510 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) { 1511 brace++; 1512 if (pf->opts & PF_OPT_VERBOSE) 1513 printf(" {\n"); 1514 if ((pf->opts & PF_OPT_NOACTION) == 0 && 1515 (error = pfctl_ruleset_trans(pf, 1516 path, rs->anchor))) { 1517 printf("pfctl_load_rulesets: " 1518 "pfctl_ruleset_trans %d\n", error); 1519 goto error; 1520 } 1521 } else if (pf->opts & PF_OPT_VERBOSE) 1522 printf("\n"); 1523 1524 } 1525 1526 if (pf->optimize && rs_num == PF_RULESET_FILTER) 1527 pfctl_optimize_ruleset(pf, rs); 1528 1529 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) { 1530 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries); 1531 1532 for (int i = 0; i < PF_RULE_MAX_LABEL_COUNT; i++) 1533 expand_label(r->label[i], PF_RULE_LABEL_SIZE, r); 1534 expand_label(r->tagname, PF_TAG_NAME_SIZE, r); 1535 expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r); 1536 1537 if ((error = pfctl_load_rule(pf, path, r, depth))) 1538 goto error; 1539 if (r->anchor) { 1540 if ((error = pfctl_load_ruleset(pf, path, 1541 &r->anchor->ruleset, rs_num, depth + 1))) 1542 goto error; 1543 } else if (pf->opts & PF_OPT_VERBOSE) 1544 printf("\n"); 1545 free(r); 1546 } 1547 if (brace && pf->opts & PF_OPT_VERBOSE) { 1548 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE)); 1549 printf("}\n"); 1550 } 1551 path[len] = '\0'; 1552 return (0); 1553 1554 error: 1555 path[len] = '\0'; 1556 return (error); 1557 1558 } 1559 1560 int 1561 pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth) 1562 { 1563 u_int8_t rs_num = pf_get_ruleset_number(r->action); 1564 char *name; 1565 u_int32_t ticket; 1566 char anchor[PF_ANCHOR_NAME_SIZE]; 1567 int len = strlen(path); 1568 1569 /* set up anchor before adding to path for anchor_call */ 1570 if ((pf->opts & PF_OPT_NOACTION) == 0) 1571 ticket = pfctl_get_ticket(pf->trans, rs_num, path); 1572 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor)) 1573 errx(1, "pfctl_load_rule: strlcpy"); 1574 1575 if (r->anchor) { 1576 if (r->anchor->match) { 1577 if (path[0]) 1578 snprintf(&path[len], MAXPATHLEN - len, 1579 "/%s", r->anchor->name); 1580 else 1581 snprintf(&path[len], MAXPATHLEN - len, 1582 "%s", r->anchor->name); 1583 name = r->anchor->name; 1584 } else 1585 name = r->anchor->path; 1586 } else 1587 name = ""; 1588 1589 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1590 if (pfctl_add_pool(pf, &r->rpool, r->af)) 1591 return (1); 1592 if (pfctl_add_rule(pf->dev, r, anchor, name, ticket, 1593 pf->paddr.ticket)) 1594 err(1, "DIOCADDRULENV"); 1595 } 1596 1597 if (pf->opts & PF_OPT_VERBOSE) { 1598 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2)); 1599 print_rule(r, r->anchor ? r->anchor->name : "", 1600 pf->opts & PF_OPT_VERBOSE2, 1601 pf->opts & PF_OPT_NUMERIC); 1602 } 1603 path[len] = '\0'; 1604 pfctl_clear_pool(&r->rpool); 1605 return (0); 1606 } 1607 1608 int 1609 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a) 1610 { 1611 if (altqsupport && 1612 (loadopt & PFCTL_FLAG_ALTQ) != 0) { 1613 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq)); 1614 if ((pf->opts & PF_OPT_NOACTION) == 0) { 1615 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) { 1616 if (errno == ENXIO) 1617 errx(1, "qtype not configured"); 1618 else if (errno == ENODEV) 1619 errx(1, "%s: driver does not support " 1620 "altq", a->ifname); 1621 else 1622 err(1, "DIOCADDALTQ"); 1623 } 1624 } 1625 pfaltq_store(&pf->paltq->altq); 1626 } 1627 return (0); 1628 } 1629 1630 int 1631 pfctl_rules(int dev, char *filename, int opts, int optimize, 1632 char *anchorname, struct pfr_buffer *trans) 1633 { 1634 #define ERR(x) do { warn(x); goto _error; } while(0) 1635 #define ERRX(x) do { warnx(x); goto _error; } while(0) 1636 1637 struct pfr_buffer *t, buf; 1638 struct pfioc_altq pa; 1639 struct pfctl pf; 1640 struct pfctl_ruleset *rs; 1641 struct pfr_table trs; 1642 char *path; 1643 int osize; 1644 1645 RB_INIT(&pf_anchors); 1646 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor)); 1647 pf_init_ruleset(&pf_main_anchor.ruleset); 1648 pf_main_anchor.ruleset.anchor = &pf_main_anchor; 1649 if (trans == NULL) { 1650 bzero(&buf, sizeof(buf)); 1651 buf.pfrb_type = PFRB_TRANS; 1652 t = &buf; 1653 osize = 0; 1654 } else { 1655 t = trans; 1656 osize = t->pfrb_size; 1657 } 1658 1659 memset(&pa, 0, sizeof(pa)); 1660 pa.version = PFIOC_ALTQ_VERSION; 1661 memset(&pf, 0, sizeof(pf)); 1662 memset(&trs, 0, sizeof(trs)); 1663 if ((path = calloc(1, MAXPATHLEN)) == NULL) 1664 ERRX("pfctl_rules: calloc"); 1665 if (strlcpy(trs.pfrt_anchor, anchorname, 1666 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor)) 1667 ERRX("pfctl_rules: strlcpy"); 1668 pf.dev = dev; 1669 pf.opts = opts; 1670 pf.optimize = optimize; 1671 pf.loadopt = loadopt; 1672 1673 /* non-brace anchor, create without resolving the path */ 1674 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL) 1675 ERRX("pfctl_rules: calloc"); 1676 rs = &pf.anchor->ruleset; 1677 pf_init_ruleset(rs); 1678 rs->anchor = pf.anchor; 1679 if (strlcpy(pf.anchor->path, anchorname, 1680 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path)) 1681 errx(1, "pfctl_add_rule: strlcpy"); 1682 if (strlcpy(pf.anchor->name, anchorname, 1683 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name)) 1684 errx(1, "pfctl_add_rule: strlcpy"); 1685 1686 1687 pf.astack[0] = pf.anchor; 1688 pf.asd = 0; 1689 if (anchorname[0]) 1690 pf.loadopt &= ~PFCTL_FLAG_ALTQ; 1691 pf.paltq = &pa; 1692 pf.trans = t; 1693 pfctl_init_options(&pf); 1694 1695 if ((opts & PF_OPT_NOACTION) == 0) { 1696 /* 1697 * XXX For the time being we need to open transactions for 1698 * the main ruleset before parsing, because tables are still 1699 * loaded at parse time. 1700 */ 1701 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor)) 1702 ERRX("pfctl_rules"); 1703 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ)) 1704 pa.ticket = 1705 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname); 1706 if (pf.loadopt & PFCTL_FLAG_TABLE) 1707 pf.astack[0]->ruleset.tticket = 1708 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname); 1709 } 1710 1711 if (parse_config(filename, &pf) < 0) { 1712 if ((opts & PF_OPT_NOACTION) == 0) 1713 ERRX("Syntax error in config file: " 1714 "pf rules not loaded"); 1715 else 1716 goto _error; 1717 } 1718 if (loadopt & PFCTL_FLAG_OPTION) 1719 pfctl_adjust_skip_ifaces(&pf); 1720 1721 if ((pf.loadopt & PFCTL_FLAG_FILTER && 1722 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) || 1723 (pf.loadopt & PFCTL_FLAG_NAT && 1724 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) || 1725 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) || 1726 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) || 1727 (pf.loadopt & PFCTL_FLAG_FILTER && 1728 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) { 1729 if ((opts & PF_OPT_NOACTION) == 0) 1730 ERRX("Unable to load rules into kernel"); 1731 else 1732 goto _error; 1733 } 1734 1735 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0)) 1736 if (check_commit_altq(dev, opts) != 0) 1737 ERRX("errors in altq config"); 1738 1739 /* process "load anchor" directives */ 1740 if (!anchorname[0]) 1741 if (pfctl_load_anchors(dev, &pf, t) == -1) 1742 ERRX("load anchors"); 1743 1744 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) { 1745 if (!anchorname[0]) 1746 if (pfctl_load_options(&pf)) 1747 goto _error; 1748 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize)) 1749 ERR("DIOCXCOMMIT"); 1750 } 1751 free(path); 1752 return (0); 1753 1754 _error: 1755 if (trans == NULL) { /* main ruleset */ 1756 if ((opts & PF_OPT_NOACTION) == 0) 1757 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize)) 1758 err(1, "DIOCXROLLBACK"); 1759 exit(1); 1760 } else { /* sub ruleset */ 1761 free(path); 1762 return (-1); 1763 } 1764 1765 #undef ERR 1766 #undef ERRX 1767 } 1768 1769 FILE * 1770 pfctl_fopen(const char *name, const char *mode) 1771 { 1772 struct stat st; 1773 FILE *fp; 1774 1775 fp = fopen(name, mode); 1776 if (fp == NULL) 1777 return (NULL); 1778 if (fstat(fileno(fp), &st)) { 1779 fclose(fp); 1780 return (NULL); 1781 } 1782 if (S_ISDIR(st.st_mode)) { 1783 fclose(fp); 1784 errno = EISDIR; 1785 return (NULL); 1786 } 1787 return (fp); 1788 } 1789 1790 void 1791 pfctl_init_options(struct pfctl *pf) 1792 { 1793 1794 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; 1795 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; 1796 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; 1797 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; 1798 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; 1799 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; 1800 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; 1801 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; 1802 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; 1803 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; 1804 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; 1805 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; 1806 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; 1807 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; 1808 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL; 1809 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; 1810 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; 1811 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; 1812 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; 1813 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; 1814 1815 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT; 1816 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT; 1817 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT; 1818 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT; 1819 1820 pf->debug = PF_DEBUG_URGENT; 1821 1822 pf->syncookies = false; 1823 pf->syncookieswat[0] = PF_SYNCOOKIES_LOWATPCT; 1824 pf->syncookieswat[1] = PF_SYNCOOKIES_HIWATPCT; 1825 } 1826 1827 int 1828 pfctl_load_options(struct pfctl *pf) 1829 { 1830 int i, error = 0; 1831 1832 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 1833 return (0); 1834 1835 /* load limits */ 1836 for (i = 0; i < PF_LIMIT_MAX; i++) { 1837 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i]) 1838 continue; 1839 if (pfctl_load_limit(pf, i, pf->limit[i])) 1840 error = 1; 1841 } 1842 1843 /* 1844 * If we've set the limit, but haven't explicitly set adaptive 1845 * timeouts, do it now with a start of 60% and end of 120%. 1846 */ 1847 if (pf->limit_set[PF_LIMIT_STATES] && 1848 !pf->timeout_set[PFTM_ADAPTIVE_START] && 1849 !pf->timeout_set[PFTM_ADAPTIVE_END]) { 1850 pf->timeout[PFTM_ADAPTIVE_START] = 1851 (pf->limit[PF_LIMIT_STATES] / 10) * 6; 1852 pf->timeout_set[PFTM_ADAPTIVE_START] = 1; 1853 pf->timeout[PFTM_ADAPTIVE_END] = 1854 (pf->limit[PF_LIMIT_STATES] / 10) * 12; 1855 pf->timeout_set[PFTM_ADAPTIVE_END] = 1; 1856 } 1857 1858 /* load timeouts */ 1859 for (i = 0; i < PFTM_MAX; i++) { 1860 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i]) 1861 continue; 1862 if (pfctl_load_timeout(pf, i, pf->timeout[i])) 1863 error = 1; 1864 } 1865 1866 /* load debug */ 1867 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set) 1868 if (pfctl_load_debug(pf, pf->debug)) 1869 error = 1; 1870 1871 /* load logif */ 1872 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set) 1873 if (pfctl_load_logif(pf, pf->ifname)) 1874 error = 1; 1875 1876 /* load hostid */ 1877 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set) 1878 if (pfctl_load_hostid(pf, pf->hostid)) 1879 error = 1; 1880 1881 /* load keepcounters */ 1882 if (pfctl_set_keepcounters(pf->dev, pf->keep_counters)) 1883 error = 1; 1884 1885 /* load syncookies settings */ 1886 if (pfctl_load_syncookies(pf, pf->syncookies)) 1887 error = 1; 1888 1889 return (error); 1890 } 1891 1892 int 1893 pfctl_set_limit(struct pfctl *pf, const char *opt, unsigned int limit) 1894 { 1895 int i; 1896 1897 1898 for (i = 0; pf_limits[i].name; i++) { 1899 if (strcasecmp(opt, pf_limits[i].name) == 0) { 1900 pf->limit[pf_limits[i].index] = limit; 1901 pf->limit_set[pf_limits[i].index] = 1; 1902 break; 1903 } 1904 } 1905 if (pf_limits[i].name == NULL) { 1906 warnx("Bad pool name."); 1907 return (1); 1908 } 1909 1910 if (pf->opts & PF_OPT_VERBOSE) 1911 printf("set limit %s %d\n", opt, limit); 1912 1913 return (0); 1914 } 1915 1916 int 1917 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit) 1918 { 1919 struct pfioc_limit pl; 1920 1921 memset(&pl, 0, sizeof(pl)); 1922 pl.index = index; 1923 pl.limit = limit; 1924 if (ioctl(pf->dev, DIOCSETLIMIT, &pl)) { 1925 if (errno == EBUSY) 1926 warnx("Current pool size exceeds requested hard limit"); 1927 else 1928 warnx("DIOCSETLIMIT"); 1929 return (1); 1930 } 1931 return (0); 1932 } 1933 1934 int 1935 pfctl_set_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet) 1936 { 1937 int i; 1938 1939 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 1940 return (0); 1941 1942 for (i = 0; pf_timeouts[i].name; i++) { 1943 if (strcasecmp(opt, pf_timeouts[i].name) == 0) { 1944 pf->timeout[pf_timeouts[i].timeout] = seconds; 1945 pf->timeout_set[pf_timeouts[i].timeout] = 1; 1946 break; 1947 } 1948 } 1949 1950 if (pf_timeouts[i].name == NULL) { 1951 warnx("Bad timeout name."); 1952 return (1); 1953 } 1954 1955 1956 if (pf->opts & PF_OPT_VERBOSE && ! quiet) 1957 printf("set timeout %s %d\n", opt, seconds); 1958 1959 return (0); 1960 } 1961 1962 int 1963 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds) 1964 { 1965 struct pfioc_tm pt; 1966 1967 memset(&pt, 0, sizeof(pt)); 1968 pt.timeout = timeout; 1969 pt.seconds = seconds; 1970 if (ioctl(pf->dev, DIOCSETTIMEOUT, &pt)) { 1971 warnx("DIOCSETTIMEOUT"); 1972 return (1); 1973 } 1974 return (0); 1975 } 1976 1977 int 1978 pfctl_set_optimization(struct pfctl *pf, const char *opt) 1979 { 1980 const struct pf_hint *hint; 1981 int i, r; 1982 1983 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 1984 return (0); 1985 1986 for (i = 0; pf_hints[i].name; i++) 1987 if (strcasecmp(opt, pf_hints[i].name) == 0) 1988 break; 1989 1990 hint = pf_hints[i].hint; 1991 if (hint == NULL) { 1992 warnx("invalid state timeouts optimization"); 1993 return (1); 1994 } 1995 1996 for (i = 0; hint[i].name; i++) 1997 if ((r = pfctl_set_timeout(pf, hint[i].name, 1998 hint[i].timeout, 1))) 1999 return (r); 2000 2001 if (pf->opts & PF_OPT_VERBOSE) 2002 printf("set optimization %s\n", opt); 2003 2004 return (0); 2005 } 2006 2007 int 2008 pfctl_set_logif(struct pfctl *pf, char *ifname) 2009 { 2010 2011 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2012 return (0); 2013 2014 if (!strcmp(ifname, "none")) { 2015 free(pf->ifname); 2016 pf->ifname = NULL; 2017 } else { 2018 pf->ifname = strdup(ifname); 2019 if (!pf->ifname) 2020 errx(1, "pfctl_set_logif: strdup"); 2021 } 2022 pf->ifname_set = 1; 2023 2024 if (pf->opts & PF_OPT_VERBOSE) 2025 printf("set loginterface %s\n", ifname); 2026 2027 return (0); 2028 } 2029 2030 int 2031 pfctl_load_logif(struct pfctl *pf, char *ifname) 2032 { 2033 struct pfioc_if pi; 2034 2035 memset(&pi, 0, sizeof(pi)); 2036 if (ifname && strlcpy(pi.ifname, ifname, 2037 sizeof(pi.ifname)) >= sizeof(pi.ifname)) { 2038 warnx("pfctl_load_logif: strlcpy"); 2039 return (1); 2040 } 2041 if (ioctl(pf->dev, DIOCSETSTATUSIF, &pi)) { 2042 warnx("DIOCSETSTATUSIF"); 2043 return (1); 2044 } 2045 return (0); 2046 } 2047 2048 int 2049 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid) 2050 { 2051 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2052 return (0); 2053 2054 HTONL(hostid); 2055 2056 pf->hostid = hostid; 2057 pf->hostid_set = 1; 2058 2059 if (pf->opts & PF_OPT_VERBOSE) 2060 printf("set hostid 0x%08x\n", ntohl(hostid)); 2061 2062 return (0); 2063 } 2064 2065 int 2066 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid) 2067 { 2068 if (ioctl(dev, DIOCSETHOSTID, &hostid)) { 2069 warnx("DIOCSETHOSTID"); 2070 return (1); 2071 } 2072 return (0); 2073 } 2074 2075 int 2076 pfctl_load_syncookies(struct pfctl *pf, u_int8_t val) 2077 { 2078 struct pfctl_syncookies cookies; 2079 2080 bzero(&cookies, sizeof(cookies)); 2081 2082 cookies.mode = val; 2083 cookies.lowwater = pf->syncookieswat[0]; 2084 cookies.highwater = pf->syncookieswat[1]; 2085 2086 if (pfctl_set_syncookies(dev, &cookies)) { 2087 warnx("DIOCSETSYNCOOKIES"); 2088 return (1); 2089 } 2090 return (0); 2091 } 2092 2093 int 2094 pfctl_cfg_syncookies(struct pfctl *pf, uint8_t val, struct pfctl_watermarks *w) 2095 { 2096 if (val != PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2097 warnx("syncookies start/end only apply to adaptive"); 2098 return (1); 2099 } 2100 if (val == PF_SYNCOOKIES_ADAPTIVE && w != NULL) { 2101 if (!w->hi) 2102 w->hi = PF_SYNCOOKIES_HIWATPCT; 2103 if (!w->lo) 2104 w->lo = w->hi / 2; 2105 if (w->lo >= w->hi) { 2106 warnx("start must be higher than end"); 2107 return (1); 2108 } 2109 pf->syncookieswat[0] = w->lo; 2110 pf->syncookieswat[1] = w->hi; 2111 pf->syncookieswat_set = 1; 2112 } 2113 2114 if (pf->opts & PF_OPT_VERBOSE) { 2115 if (val == PF_SYNCOOKIES_NEVER) 2116 printf("set syncookies never\n"); 2117 else if (val == PF_SYNCOOKIES_ALWAYS) 2118 printf("set syncookies always\n"); 2119 else if (val == PF_SYNCOOKIES_ADAPTIVE) { 2120 if (pf->syncookieswat_set) 2121 printf("set syncookies adaptive (start %u%%, " 2122 "end %u%%)\n", pf->syncookieswat[1], 2123 pf->syncookieswat[0]); 2124 else 2125 printf("set syncookies adaptive\n"); 2126 } else { /* cannot happen */ 2127 warnx("king bula ate all syncookies"); 2128 return (1); 2129 } 2130 } 2131 2132 pf->syncookies = val; 2133 return (0); 2134 } 2135 2136 int 2137 pfctl_set_debug(struct pfctl *pf, char *d) 2138 { 2139 u_int32_t level; 2140 2141 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2142 return (0); 2143 2144 if (!strcmp(d, "none")) 2145 pf->debug = PF_DEBUG_NONE; 2146 else if (!strcmp(d, "urgent")) 2147 pf->debug = PF_DEBUG_URGENT; 2148 else if (!strcmp(d, "misc")) 2149 pf->debug = PF_DEBUG_MISC; 2150 else if (!strcmp(d, "loud")) 2151 pf->debug = PF_DEBUG_NOISY; 2152 else { 2153 warnx("unknown debug level \"%s\"", d); 2154 return (-1); 2155 } 2156 2157 pf->debug_set = 1; 2158 level = pf->debug; 2159 2160 if ((pf->opts & PF_OPT_NOACTION) == 0) 2161 if (ioctl(dev, DIOCSETDEBUG, &level)) 2162 err(1, "DIOCSETDEBUG"); 2163 2164 if (pf->opts & PF_OPT_VERBOSE) 2165 printf("set debug %s\n", d); 2166 2167 return (0); 2168 } 2169 2170 int 2171 pfctl_load_debug(struct pfctl *pf, unsigned int level) 2172 { 2173 if (ioctl(pf->dev, DIOCSETDEBUG, &level)) { 2174 warnx("DIOCSETDEBUG"); 2175 return (1); 2176 } 2177 return (0); 2178 } 2179 2180 int 2181 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how) 2182 { 2183 struct pfioc_iface pi; 2184 struct node_host *h = NULL, *n = NULL; 2185 2186 if ((loadopt & PFCTL_FLAG_OPTION) == 0) 2187 return (0); 2188 2189 bzero(&pi, sizeof(pi)); 2190 2191 pi.pfiio_flags = flags; 2192 2193 /* Make sure our cache matches the kernel. If we set or clear the flag 2194 * for a group this applies to all members. */ 2195 h = ifa_grouplookup(ifname, 0); 2196 for (n = h; n != NULL; n = n->next) 2197 pfctl_set_interface_flags(pf, n->ifname, flags, how); 2198 2199 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >= 2200 sizeof(pi.pfiio_name)) 2201 errx(1, "pfctl_set_interface_flags: strlcpy"); 2202 2203 if ((pf->opts & PF_OPT_NOACTION) == 0) { 2204 if (how == 0) { 2205 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi)) 2206 err(1, "DIOCCLRIFFLAG"); 2207 } else { 2208 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi)) 2209 err(1, "DIOCSETIFFLAG"); 2210 pfctl_check_skip_ifaces(ifname); 2211 } 2212 } 2213 return (0); 2214 } 2215 2216 void 2217 pfctl_debug(int dev, u_int32_t level, int opts) 2218 { 2219 if (ioctl(dev, DIOCSETDEBUG, &level)) 2220 err(1, "DIOCSETDEBUG"); 2221 if ((opts & PF_OPT_QUIET) == 0) { 2222 fprintf(stderr, "debug level set to '"); 2223 switch (level) { 2224 case PF_DEBUG_NONE: 2225 fprintf(stderr, "none"); 2226 break; 2227 case PF_DEBUG_URGENT: 2228 fprintf(stderr, "urgent"); 2229 break; 2230 case PF_DEBUG_MISC: 2231 fprintf(stderr, "misc"); 2232 break; 2233 case PF_DEBUG_NOISY: 2234 fprintf(stderr, "loud"); 2235 break; 2236 default: 2237 fprintf(stderr, "<invalid>"); 2238 break; 2239 } 2240 fprintf(stderr, "'\n"); 2241 } 2242 } 2243 2244 int 2245 pfctl_test_altqsupport(int dev, int opts) 2246 { 2247 struct pfioc_altq pa; 2248 2249 pa.version = PFIOC_ALTQ_VERSION; 2250 if (ioctl(dev, DIOCGETALTQS, &pa)) { 2251 if (errno == ENODEV) { 2252 if (opts & PF_OPT_VERBOSE) 2253 fprintf(stderr, "No ALTQ support in kernel\n" 2254 "ALTQ related functions disabled\n"); 2255 return (0); 2256 } else 2257 err(1, "DIOCGETALTQS"); 2258 } 2259 return (1); 2260 } 2261 2262 int 2263 pfctl_show_anchors(int dev, int opts, char *anchorname) 2264 { 2265 struct pfioc_ruleset pr; 2266 u_int32_t mnr, nr; 2267 2268 memset(&pr, 0, sizeof(pr)); 2269 memcpy(pr.path, anchorname, sizeof(pr.path)); 2270 if (ioctl(dev, DIOCGETRULESETS, &pr)) { 2271 if (errno == EINVAL) 2272 fprintf(stderr, "Anchor '%s' not found.\n", 2273 anchorname); 2274 else 2275 err(1, "DIOCGETRULESETS"); 2276 return (-1); 2277 } 2278 mnr = pr.nr; 2279 for (nr = 0; nr < mnr; ++nr) { 2280 char sub[MAXPATHLEN]; 2281 2282 pr.nr = nr; 2283 if (ioctl(dev, DIOCGETRULESET, &pr)) 2284 err(1, "DIOCGETRULESET"); 2285 if (!strcmp(pr.name, PF_RESERVED_ANCHOR)) 2286 continue; 2287 sub[0] = 0; 2288 if (pr.path[0]) { 2289 strlcat(sub, pr.path, sizeof(sub)); 2290 strlcat(sub, "/", sizeof(sub)); 2291 } 2292 strlcat(sub, pr.name, sizeof(sub)); 2293 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE)) 2294 printf(" %s\n", sub); 2295 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub)) 2296 return (-1); 2297 } 2298 return (0); 2299 } 2300 2301 const char * 2302 pfctl_lookup_option(char *cmd, const char * const *list) 2303 { 2304 if (cmd != NULL && *cmd) 2305 for (; *list; list++) 2306 if (!strncmp(cmd, *list, strlen(cmd))) 2307 return (*list); 2308 return (NULL); 2309 } 2310 2311 int 2312 main(int argc, char *argv[]) 2313 { 2314 int error = 0; 2315 int ch; 2316 int mode = O_RDONLY; 2317 int opts = 0; 2318 int optimize = PF_OPTIMIZE_BASIC; 2319 char anchorname[MAXPATHLEN]; 2320 char *path; 2321 2322 if (argc < 2) 2323 usage(); 2324 2325 while ((ch = getopt(argc, argv, 2326 "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) { 2327 switch (ch) { 2328 case 'a': 2329 anchoropt = optarg; 2330 break; 2331 case 'd': 2332 opts |= PF_OPT_DISABLE; 2333 mode = O_RDWR; 2334 break; 2335 case 'D': 2336 if (pfctl_cmdline_symset(optarg) < 0) 2337 warnx("could not parse macro definition %s", 2338 optarg); 2339 break; 2340 case 'e': 2341 opts |= PF_OPT_ENABLE; 2342 mode = O_RDWR; 2343 break; 2344 case 'q': 2345 opts |= PF_OPT_QUIET; 2346 break; 2347 case 'F': 2348 clearopt = pfctl_lookup_option(optarg, clearopt_list); 2349 if (clearopt == NULL) { 2350 warnx("Unknown flush modifier '%s'", optarg); 2351 usage(); 2352 } 2353 mode = O_RDWR; 2354 break; 2355 case 'i': 2356 ifaceopt = optarg; 2357 break; 2358 case 'k': 2359 if (state_killers >= 2) { 2360 warnx("can only specify -k twice"); 2361 usage(); 2362 /* NOTREACHED */ 2363 } 2364 state_kill[state_killers++] = optarg; 2365 mode = O_RDWR; 2366 break; 2367 case 'K': 2368 if (src_node_killers >= 2) { 2369 warnx("can only specify -K twice"); 2370 usage(); 2371 /* NOTREACHED */ 2372 } 2373 src_node_kill[src_node_killers++] = optarg; 2374 mode = O_RDWR; 2375 break; 2376 case 'm': 2377 opts |= PF_OPT_MERGE; 2378 break; 2379 case 'M': 2380 opts |= PF_OPT_KILLMATCH; 2381 break; 2382 case 'n': 2383 opts |= PF_OPT_NOACTION; 2384 break; 2385 case 'N': 2386 loadopt |= PFCTL_FLAG_NAT; 2387 break; 2388 case 'r': 2389 opts |= PF_OPT_USEDNS; 2390 break; 2391 case 'f': 2392 rulesopt = optarg; 2393 mode = O_RDWR; 2394 break; 2395 case 'g': 2396 opts |= PF_OPT_DEBUG; 2397 break; 2398 case 'A': 2399 loadopt |= PFCTL_FLAG_ALTQ; 2400 break; 2401 case 'R': 2402 loadopt |= PFCTL_FLAG_FILTER; 2403 break; 2404 case 'o': 2405 optiopt = pfctl_lookup_option(optarg, optiopt_list); 2406 if (optiopt == NULL) { 2407 warnx("Unknown optimization '%s'", optarg); 2408 usage(); 2409 } 2410 opts |= PF_OPT_OPTIMIZE; 2411 break; 2412 case 'O': 2413 loadopt |= PFCTL_FLAG_OPTION; 2414 break; 2415 case 'p': 2416 pf_device = optarg; 2417 break; 2418 case 'P': 2419 opts |= PF_OPT_NUMERIC; 2420 break; 2421 case 's': 2422 showopt = pfctl_lookup_option(optarg, showopt_list); 2423 if (showopt == NULL) { 2424 warnx("Unknown show modifier '%s'", optarg); 2425 usage(); 2426 } 2427 break; 2428 case 't': 2429 tableopt = optarg; 2430 break; 2431 case 'T': 2432 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list); 2433 if (tblcmdopt == NULL) { 2434 warnx("Unknown table command '%s'", optarg); 2435 usage(); 2436 } 2437 break; 2438 case 'v': 2439 if (opts & PF_OPT_VERBOSE) 2440 opts |= PF_OPT_VERBOSE2; 2441 opts |= PF_OPT_VERBOSE; 2442 break; 2443 case 'x': 2444 debugopt = pfctl_lookup_option(optarg, debugopt_list); 2445 if (debugopt == NULL) { 2446 warnx("Unknown debug level '%s'", optarg); 2447 usage(); 2448 } 2449 mode = O_RDWR; 2450 break; 2451 case 'z': 2452 opts |= PF_OPT_CLRRULECTRS; 2453 mode = O_RDWR; 2454 break; 2455 case 'h': 2456 /* FALLTHROUGH */ 2457 default: 2458 usage(); 2459 /* NOTREACHED */ 2460 } 2461 } 2462 2463 if (tblcmdopt != NULL) { 2464 argc -= optind; 2465 argv += optind; 2466 ch = *tblcmdopt; 2467 if (ch == 'l') { 2468 loadopt |= PFCTL_FLAG_TABLE; 2469 tblcmdopt = NULL; 2470 } else 2471 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY; 2472 } else if (argc != optind) { 2473 warnx("unknown command line argument: %s ...", argv[optind]); 2474 usage(); 2475 /* NOTREACHED */ 2476 } 2477 if (loadopt == 0) 2478 loadopt = ~0; 2479 2480 if ((path = calloc(1, MAXPATHLEN)) == NULL) 2481 errx(1, "pfctl: calloc"); 2482 memset(anchorname, 0, sizeof(anchorname)); 2483 if (anchoropt != NULL) { 2484 int len = strlen(anchoropt); 2485 2486 if (anchoropt[len - 1] == '*') { 2487 if (len >= 2 && anchoropt[len - 2] == '/') 2488 anchoropt[len - 2] = '\0'; 2489 else 2490 anchoropt[len - 1] = '\0'; 2491 opts |= PF_OPT_RECURSE; 2492 } 2493 if (strlcpy(anchorname, anchoropt, 2494 sizeof(anchorname)) >= sizeof(anchorname)) 2495 errx(1, "anchor name '%s' too long", 2496 anchoropt); 2497 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE; 2498 } 2499 2500 if ((opts & PF_OPT_NOACTION) == 0) { 2501 dev = open(pf_device, mode); 2502 if (dev == -1) 2503 err(1, "%s", pf_device); 2504 altqsupport = pfctl_test_altqsupport(dev, opts); 2505 } else { 2506 dev = open(pf_device, O_RDONLY); 2507 if (dev >= 0) 2508 opts |= PF_OPT_DUMMYACTION; 2509 /* turn off options */ 2510 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE); 2511 clearopt = showopt = debugopt = NULL; 2512 #if !defined(ENABLE_ALTQ) 2513 altqsupport = 0; 2514 #else 2515 altqsupport = 1; 2516 #endif 2517 } 2518 2519 if (opts & PF_OPT_DISABLE) 2520 if (pfctl_disable(dev, opts)) 2521 error = 1; 2522 2523 if (showopt != NULL) { 2524 switch (*showopt) { 2525 case 'A': 2526 pfctl_show_anchors(dev, opts, anchorname); 2527 break; 2528 case 'r': 2529 pfctl_load_fingerprints(dev, opts); 2530 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES, 2531 anchorname, 0); 2532 break; 2533 case 'l': 2534 pfctl_load_fingerprints(dev, opts); 2535 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS, 2536 anchorname, 0); 2537 break; 2538 case 'n': 2539 pfctl_load_fingerprints(dev, opts); 2540 pfctl_show_nat(dev, opts, anchorname); 2541 break; 2542 case 'q': 2543 pfctl_show_altq(dev, ifaceopt, opts, 2544 opts & PF_OPT_VERBOSE2); 2545 break; 2546 case 's': 2547 pfctl_show_states(dev, ifaceopt, opts); 2548 break; 2549 case 'S': 2550 pfctl_show_src_nodes(dev, opts); 2551 break; 2552 case 'i': 2553 pfctl_show_status(dev, opts); 2554 break; 2555 case 'R': 2556 error = pfctl_show_running(dev); 2557 break; 2558 case 't': 2559 pfctl_show_timeouts(dev, opts); 2560 break; 2561 case 'm': 2562 pfctl_show_limits(dev, opts); 2563 break; 2564 case 'a': 2565 opts |= PF_OPT_SHOWALL; 2566 pfctl_load_fingerprints(dev, opts); 2567 2568 pfctl_show_nat(dev, opts, anchorname); 2569 pfctl_show_rules(dev, path, opts, 0, anchorname, 0); 2570 pfctl_show_altq(dev, ifaceopt, opts, 0); 2571 pfctl_show_states(dev, ifaceopt, opts); 2572 pfctl_show_src_nodes(dev, opts); 2573 pfctl_show_status(dev, opts); 2574 pfctl_show_rules(dev, path, opts, 1, anchorname, 0); 2575 pfctl_show_timeouts(dev, opts); 2576 pfctl_show_limits(dev, opts); 2577 pfctl_show_tables(anchorname, opts); 2578 pfctl_show_fingerprints(opts); 2579 break; 2580 case 'T': 2581 pfctl_show_tables(anchorname, opts); 2582 break; 2583 case 'o': 2584 pfctl_load_fingerprints(dev, opts); 2585 pfctl_show_fingerprints(opts); 2586 break; 2587 case 'I': 2588 pfctl_show_ifaces(ifaceopt, opts); 2589 break; 2590 } 2591 } 2592 2593 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL) 2594 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING, 2595 anchorname, 0); 2596 2597 if (clearopt != NULL) { 2598 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 2599 errx(1, "anchor names beginning with '_' cannot " 2600 "be modified from the command line"); 2601 2602 switch (*clearopt) { 2603 case 'r': 2604 pfctl_clear_rules(dev, opts, anchorname); 2605 break; 2606 case 'n': 2607 pfctl_clear_nat(dev, opts, anchorname); 2608 break; 2609 case 'q': 2610 pfctl_clear_altq(dev, opts); 2611 break; 2612 case 's': 2613 pfctl_clear_iface_states(dev, ifaceopt, opts); 2614 break; 2615 case 'S': 2616 pfctl_clear_src_nodes(dev, opts); 2617 break; 2618 case 'i': 2619 pfctl_clear_stats(dev, opts); 2620 break; 2621 case 'a': 2622 pfctl_clear_rules(dev, opts, anchorname); 2623 pfctl_clear_nat(dev, opts, anchorname); 2624 pfctl_clear_tables(anchorname, opts); 2625 if (!*anchorname) { 2626 pfctl_clear_altq(dev, opts); 2627 pfctl_clear_iface_states(dev, ifaceopt, opts); 2628 pfctl_clear_src_nodes(dev, opts); 2629 pfctl_clear_stats(dev, opts); 2630 pfctl_clear_fingerprints(dev, opts); 2631 pfctl_clear_interface_flags(dev, opts); 2632 } 2633 break; 2634 case 'o': 2635 pfctl_clear_fingerprints(dev, opts); 2636 break; 2637 case 'T': 2638 pfctl_clear_tables(anchorname, opts); 2639 break; 2640 } 2641 } 2642 if (state_killers) { 2643 if (!strcmp(state_kill[0], "label")) 2644 pfctl_label_kill_states(dev, ifaceopt, opts); 2645 else if (!strcmp(state_kill[0], "id")) 2646 pfctl_id_kill_states(dev, ifaceopt, opts); 2647 else if (!strcmp(state_kill[0], "gateway")) 2648 pfctl_gateway_kill_states(dev, ifaceopt, opts); 2649 else 2650 pfctl_net_kill_states(dev, ifaceopt, opts); 2651 } 2652 2653 if (src_node_killers) 2654 pfctl_kill_src_nodes(dev, ifaceopt, opts); 2655 2656 if (tblcmdopt != NULL) { 2657 error = pfctl_command_tables(argc, argv, tableopt, 2658 tblcmdopt, rulesopt, anchorname, opts); 2659 rulesopt = NULL; 2660 } 2661 if (optiopt != NULL) { 2662 switch (*optiopt) { 2663 case 'n': 2664 optimize = 0; 2665 break; 2666 case 'b': 2667 optimize |= PF_OPTIMIZE_BASIC; 2668 break; 2669 case 'o': 2670 case 'p': 2671 optimize |= PF_OPTIMIZE_PROFILE; 2672 break; 2673 } 2674 } 2675 2676 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) && 2677 !anchorname[0] && !(opts & PF_OPT_NOACTION)) 2678 if (pfctl_get_skip_ifaces()) 2679 error = 1; 2680 2681 if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) && 2682 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION)) 2683 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE)) 2684 error = 1; 2685 2686 if (rulesopt != NULL) { 2687 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL) 2688 errx(1, "anchor names beginning with '_' cannot " 2689 "be modified from the command line"); 2690 if (pfctl_rules(dev, rulesopt, opts, optimize, 2691 anchorname, NULL)) 2692 error = 1; 2693 else if (!(opts & PF_OPT_NOACTION) && 2694 (loadopt & PFCTL_FLAG_TABLE)) 2695 warn_namespace_collision(NULL); 2696 } 2697 2698 if (opts & PF_OPT_ENABLE) 2699 if (pfctl_enable(dev, opts)) 2700 error = 1; 2701 2702 if (debugopt != NULL) { 2703 switch (*debugopt) { 2704 case 'n': 2705 pfctl_debug(dev, PF_DEBUG_NONE, opts); 2706 break; 2707 case 'u': 2708 pfctl_debug(dev, PF_DEBUG_URGENT, opts); 2709 break; 2710 case 'm': 2711 pfctl_debug(dev, PF_DEBUG_MISC, opts); 2712 break; 2713 case 'l': 2714 pfctl_debug(dev, PF_DEBUG_NOISY, opts); 2715 break; 2716 } 2717 } 2718 2719 exit(error); 2720 } 2721