sbin/pfctl/pfctl.c

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