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_clear_rules(int, int, char *);
  79 int      pfctl_clear_nat(int, int, char *);
  80 int      pfctl_clear_altq(int, int);
  81 int      pfctl_clear_src_nodes(int, int);
  82 int      pfctl_clear_iface_states(int, const char *, int);
  83 void     pfctl_addrprefix(char *, struct pf_addr *);
  84 int      pfctl_kill_src_nodes(int, const char *, int);
  85 int      pfctl_net_kill_states(int, const char *, int);
  86 int      pfctl_gateway_kill_states(int, const char *, int);
  87 int      pfctl_label_kill_states(int, const char *, int);
  88 int      pfctl_id_kill_states(int, const char *, int);
  89 void     pfctl_init_options(struct pfctl *);
  90 int      pfctl_load_options(struct pfctl *);
  91 int      pfctl_load_limit(struct pfctl *, unsigned int, unsigned int);
  92 int      pfctl_load_timeout(struct pfctl *, unsigned int, unsigned int);
  93 int      pfctl_load_debug(struct pfctl *, unsigned int);
  94 int      pfctl_load_logif(struct pfctl *, char *);
  95 int      pfctl_load_hostid(struct pfctl *, u_int32_t);
  96 int      pfctl_load_syncookies(struct pfctl *, u_int8_t);
  97 int      pfctl_get_pool(int, struct pfctl_pool *, u_int32_t, u_int32_t, int,
  98             char *);
  99 void     pfctl_print_rule_counters(struct pfctl_rule *, int);
 100 int      pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int);
 101 int      pfctl_show_nat(int, int, char *);
 102 int      pfctl_show_src_nodes(int, int);
 103 int      pfctl_show_states(int, const char *, int);
 104 int      pfctl_show_status(int, int);
 105 int      pfctl_show_running(int);
 106 int      pfctl_show_timeouts(int, int);
 107 int      pfctl_show_limits(int, int);
 108 void     pfctl_debug(int, u_int32_t, int);
 109 int      pfctl_test_altqsupport(int, int);
 110 int      pfctl_show_anchors(int, int, char *);
 111 int      pfctl_ruleset_trans(struct pfctl *, char *, struct pfctl_anchor *);
 112 int      pfctl_load_ruleset(struct pfctl *, char *,
 113                 struct pfctl_ruleset *, int, int);
 114 int      pfctl_load_rule(struct pfctl *, char *, struct pfctl_rule *, int);
 115 const char      *pfctl_lookup_option(char *, const char * const *);
 116
 117 static struct pfctl_anchor_global        pf_anchors;
 118 static struct pfctl_anchor       pf_main_anchor;
 119 static struct pfr_buffer skip_b;
 120
 121 static const char       *clearopt;
 122 static char             *rulesopt;
 123 static const char       *showopt;
 124 static const char       *debugopt;
 125 static char             *anchoropt;
 126 static const char       *optiopt = NULL;
 127 static const char       *pf_device = "/dev/pf";
 128 static char             *ifaceopt;
 129 static char             *tableopt;
 130 static const char       *tblcmdopt;
 131 static int               src_node_killers;
 132 static char             *src_node_kill[2];
 133 static int               state_killers;
 134 static char             *state_kill[2];
 135 int                      loadopt;
 136 int                      altqsupport;
 137
 138 int                      dev = -1;
 139 static int               first_title = 1;
 140 static int               labels = 0;
 141
 142 #define INDENT(d, o)    do {                                            \
 143                                 if (o) {                                \
 144                                         int i;                          \
 145                                         for (i=0; i < d; i++)           \
 146                                                 printf("  ");           \
 147                                 }                                       \
 148                         } while (0);                                    \
 149
 150
 151 static const struct {
 152         const char      *name;
 153         int             index;
 154 } pf_limits[] = {
 155         { "states",             PF_LIMIT_STATES },
 156         { "src-nodes",          PF_LIMIT_SRC_NODES },
 157         { "frags",              PF_LIMIT_FRAGS },
 158         { "table-entries",      PF_LIMIT_TABLE_ENTRIES },
 159         { NULL,                 0 }
 160 };
 161
 162 struct pf_hint {
 163         const char      *name;
 164         int             timeout;
 165 };
 166 static const struct pf_hint pf_hint_normal[] = {
 167         { "tcp.first",          2 * 60 },
 168         { "tcp.opening",        30 },
 169         { "tcp.established",    24 * 60 * 60 },
 170         { "tcp.closing",        15 * 60 },
 171         { "tcp.finwait",        45 },
 172         { "tcp.closed",         90 },
 173         { "tcp.tsdiff",         30 },
 174         { NULL,                 0 }
 175 };
 176 static const struct pf_hint pf_hint_satellite[] = {
 177         { "tcp.first",          3 * 60 },
 178         { "tcp.opening",        30 + 5 },
 179         { "tcp.established",    24 * 60 * 60 },
 180         { "tcp.closing",        15 * 60 + 5 },
 181         { "tcp.finwait",        45 + 5 },
 182         { "tcp.closed",         90 + 5 },
 183         { "tcp.tsdiff",         60 },
 184         { NULL,                 0 }
 185 };
 186 static const struct pf_hint pf_hint_conservative[] = {
 187         { "tcp.first",          60 * 60 },
 188         { "tcp.opening",        15 * 60 },
 189         { "tcp.established",    5 * 24 * 60 * 60 },
 190         { "tcp.closing",        60 * 60 },
 191         { "tcp.finwait",        10 * 60 },
 192         { "tcp.closed",         3 * 60 },
 193         { "tcp.tsdiff",         60 },
 194         { NULL,                 0 }
 195 };
 196 static const struct pf_hint pf_hint_aggressive[] = {
 197         { "tcp.first",          30 },
 198         { "tcp.opening",        5 },
 199         { "tcp.established",    5 * 60 * 60 },
 200         { "tcp.closing",        60 },
 201         { "tcp.finwait",        30 },
 202         { "tcp.closed",         30 },
 203         { "tcp.tsdiff",         10 },
 204         { NULL,                 0 }
 205 };
 206
 207 static const struct {
 208         const char *name;
 209         const struct pf_hint *hint;
 210 } pf_hints[] = {
 211         { "normal",             pf_hint_normal },
 212         { "satellite",          pf_hint_satellite },
 213         { "high-latency",       pf_hint_satellite },
 214         { "conservative",       pf_hint_conservative },
 215         { "aggressive",         pf_hint_aggressive },
 216         { NULL,                 NULL }
 217 };
 218
 219 static const char * const clearopt_list[] = {
 220         "nat", "queue", "rules", "Sources",
 221         "states", "info", "Tables", "osfp", "all", NULL
 222 };
 223
 224 static const char * const showopt_list[] = {
 225         "nat", "queue", "rules", "Anchors", "Sources", "states", "info",
 226         "Interfaces", "labels", "timeouts", "memory", "Tables", "osfp",
 227         "Running", "all", NULL
 228 };
 229
 230 static const char * const tblcmdopt_list[] = {
 231         "kill", "flush", "add", "delete", "load", "replace", "show",
 232         "test", "zero", "expire", NULL
 233 };
 234
 235 static const char * const debugopt_list[] = {
 236         "none", "urgent", "misc", "loud", NULL
 237 };
 238
 239 static const char * const optiopt_list[] = {
 240         "none", "basic", "profile", NULL
 241 };
 242
 243 void
 244 usage(void)
 245 {
 246         extern char *__progname;
 247
 248         fprintf(stderr,
 249 "usage: %s [-AdeghMmNnOPqRrvz] [-a anchor] [-D macro=value] [-F modifier]\n"
 250         "\t[-f file] [-i interface] [-K host | network]\n"
 251         "\t[-k host | network | gateway | label | id] [-o level] [-p device]\n"
 252         "\t[-s modifier] [-t table -T command [address ...]] [-x level]\n",
 253             __progname);
 254
 255         exit(1);
 256 }
 257
 258 /*
 259  * Cache protocol number to name translations.
 260  *
 261  * Translation is performed a lot e.g., when dumping states and
 262  * getprotobynumber is incredibly expensive.
 263  *
 264  * Note from the getprotobynumber(3) manpage:
 265  * <quote>
 266  * These functions use a thread-specific data space; if the data is needed
 267  * for future use, it should be copied before any subsequent calls overwrite
 268  * it.  Only the Internet protocols are currently understood.
 269  * </quote>
 270  *
 271  * Consequently we only cache the name and strdup it for safety.
 272  *
 273  * At the time of writing this comment the last entry in /etc/protocols is:
 274  * divert  258     DIVERT          # Divert pseudo-protocol [non IANA]
 275  */
 276 const char *
 277 pfctl_proto2name(int proto)
 278 {
 279         static const char *pfctl_proto_cache[259];
 280         struct protoent *p;
 281
 282         if (proto >= nitems(pfctl_proto_cache)) {
 283                 p = getprotobynumber(proto);
 284                 if (p == NULL) {
 285                         return (NULL);
 286                 }
 287                 return (p->p_name);
 288         }
 289
 290         if (pfctl_proto_cache[proto] == NULL) {
 291                 p = getprotobynumber(proto);
 292                 if (p == NULL) {
 293                         return (NULL);
 294                 }
 295                 pfctl_proto_cache[proto] = strdup(p->p_name);
 296         }
 297
 298         return (pfctl_proto_cache[proto]);
 299 }
 300
 301 int
 302 pfctl_enable(int dev, int opts)
 303 {
 304         if (ioctl(dev, DIOCSTART)) {
 305                 if (errno == EEXIST)
 306                         errx(1, "pf already enabled");
 307                 else if (errno == ESRCH)
 308                         errx(1, "pfil registeration failed");
 309                 else
 310                         err(1, "DIOCSTART");
 311         }
 312         if ((opts & PF_OPT_QUIET) == 0)
 313                 fprintf(stderr, "pf enabled\n");
 314
 315         if (altqsupport && ioctl(dev, DIOCSTARTALTQ))
 316                 if (errno != EEXIST)
 317                         err(1, "DIOCSTARTALTQ");
 318
 319         return (0);
 320 }
 321
 322 int
 323 pfctl_disable(int dev, int opts)
 324 {
 325         if (ioctl(dev, DIOCSTOP)) {
 326                 if (errno == ENOENT)
 327                         errx(1, "pf not enabled");
 328                 else
 329                         err(1, "DIOCSTOP");
 330         }
 331         if ((opts & PF_OPT_QUIET) == 0)
 332                 fprintf(stderr, "pf disabled\n");
 333
 334         if (altqsupport && ioctl(dev, DIOCSTOPALTQ))
 335                         if (errno != ENOENT)
 336                                 err(1, "DIOCSTOPALTQ");
 337
 338         return (0);
 339 }
 340
 341 int
 342 pfctl_clear_stats(int dev, int opts)
 343 {
 344         if (ioctl(dev, DIOCCLRSTATUS))
 345                 err(1, "DIOCCLRSTATUS");
 346         if ((opts & PF_OPT_QUIET) == 0)
 347                 fprintf(stderr, "pf: statistics cleared\n");
 348         return (0);
 349 }
 350
 351 int
 352 pfctl_get_skip_ifaces(void)
 353 {
 354         bzero(&skip_b, sizeof(skip_b));
 355         skip_b.pfrb_type = PFRB_IFACES;
 356         for (;;) {
 357                 pfr_buf_grow(&skip_b, skip_b.pfrb_size);
 358                 skip_b.pfrb_size = skip_b.pfrb_msize;
 359                 if (pfi_get_ifaces(NULL, skip_b.pfrb_caddr, &skip_b.pfrb_size))
 360                         err(1, "pfi_get_ifaces");
 361                 if (skip_b.pfrb_size <= skip_b.pfrb_msize)
 362                         break;
 363         }
 364         return (0);
 365 }
 366
 367 int
 368 pfctl_check_skip_ifaces(char *ifname)
 369 {
 370         struct pfi_kif          *p;
 371         struct node_host        *h = NULL, *n = NULL;
 372
 373         PFRB_FOREACH(p, &skip_b) {
 374                 if (!strcmp(ifname, p->pfik_name) &&
 375                     (p->pfik_flags & PFI_IFLAG_SKIP))
 376                         p->pfik_flags &= ~PFI_IFLAG_SKIP;
 377                 if (!strcmp(ifname, p->pfik_name) && p->pfik_group != NULL) {
 378                         if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL)
 379                                 continue;
 380
 381                         for (n = h; n != NULL; n = n->next) {
 382                                 if (p->pfik_ifp == NULL)
 383                                         continue;
 384                                 if (strncmp(p->pfik_name, ifname, IFNAMSIZ))
 385                                         continue;
 386
 387                                 p->pfik_flags &= ~PFI_IFLAG_SKIP;
 388                         }
 389                 }
 390         }
 391         return (0);
 392 }
 393
 394 int
 395 pfctl_adjust_skip_ifaces(struct pfctl *pf)
 396 {
 397         struct pfi_kif          *p, *pp;
 398         struct node_host        *h = NULL, *n = NULL;
 399
 400         PFRB_FOREACH(p, &skip_b) {
 401                 if (p->pfik_group == NULL || !(p->pfik_flags & PFI_IFLAG_SKIP))
 402                         continue;
 403
 404                 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0);
 405                 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL)
 406                         continue;
 407
 408                 for (n = h; n != NULL; n = n->next)
 409                         PFRB_FOREACH(pp, &skip_b) {
 410                                 if (pp->pfik_ifp == NULL)
 411                                         continue;
 412
 413                                 if (strncmp(pp->pfik_name, n->ifname, IFNAMSIZ))
 414                                         continue;
 415
 416                                 if (!(pp->pfik_flags & PFI_IFLAG_SKIP))
 417                                         pfctl_set_interface_flags(pf,
 418                                             pp->pfik_name, PFI_IFLAG_SKIP, 1);
 419                                 if (pp->pfik_flags & PFI_IFLAG_SKIP)
 420                                         pp->pfik_flags &= ~PFI_IFLAG_SKIP;
 421                         }
 422         }
 423
 424         PFRB_FOREACH(p, &skip_b) {
 425                 if (p->pfik_ifp == NULL || ! (p->pfik_flags & PFI_IFLAG_SKIP))
 426                         continue;
 427
 428                 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0);
 429         }
 430
 431         return (0);
 432 }
 433
 434 int
 435 pfctl_clear_interface_flags(int dev, int opts)
 436 {
 437         struct pfioc_iface      pi;
 438
 439         if ((opts & PF_OPT_NOACTION) == 0) {
 440                 bzero(&pi, sizeof(pi));
 441                 pi.pfiio_flags = PFI_IFLAG_SKIP;
 442
 443                 if (ioctl(dev, DIOCCLRIFFLAG, &pi))
 444                         err(1, "DIOCCLRIFFLAG");
 445                 if ((opts & PF_OPT_QUIET) == 0)
 446                         fprintf(stderr, "pf: interface flags reset\n");
 447         }
 448         return (0);
 449 }
 450
 451 int
 452 pfctl_clear_rules(int dev, int opts, char *anchorname)
 453 {
 454         struct pfr_buffer t;
 455
 456         memset(&t, 0, sizeof(t));
 457         t.pfrb_type = PFRB_TRANS;
 458         if (pfctl_add_trans(&t, PF_RULESET_SCRUB, anchorname) ||
 459             pfctl_add_trans(&t, PF_RULESET_FILTER, anchorname) ||
 460             pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
 461             pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
 462                 err(1, "pfctl_clear_rules");
 463         if ((opts & PF_OPT_QUIET) == 0)
 464                 fprintf(stderr, "rules cleared\n");
 465         return (0);
 466 }
 467
 468 int
 469 pfctl_clear_nat(int dev, int opts, char *anchorname)
 470 {
 471         struct pfr_buffer t;
 472
 473         memset(&t, 0, sizeof(t));
 474         t.pfrb_type = PFRB_TRANS;
 475         if (pfctl_add_trans(&t, PF_RULESET_NAT, anchorname) ||
 476             pfctl_add_trans(&t, PF_RULESET_BINAT, anchorname) ||
 477             pfctl_add_trans(&t, PF_RULESET_RDR, anchorname) ||
 478             pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
 479             pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
 480                 err(1, "pfctl_clear_nat");
 481         if ((opts & PF_OPT_QUIET) == 0)
 482                 fprintf(stderr, "nat cleared\n");
 483         return (0);
 484 }
 485
 486 int
 487 pfctl_clear_altq(int dev, int opts)
 488 {
 489         struct pfr_buffer t;
 490
 491         if (!altqsupport)
 492                 return (-1);
 493         memset(&t, 0, sizeof(t));
 494         t.pfrb_type = PFRB_TRANS;
 495         if (pfctl_add_trans(&t, PF_RULESET_ALTQ, "") ||
 496             pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
 497             pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
 498                 err(1, "pfctl_clear_altq");
 499         if ((opts & PF_OPT_QUIET) == 0)
 500                 fprintf(stderr, "altq cleared\n");
 501         return (0);
 502 }
 503
 504 int
 505 pfctl_clear_src_nodes(int dev, int opts)
 506 {
 507         if (ioctl(dev, DIOCCLRSRCNODES))
 508                 err(1, "DIOCCLRSRCNODES");
 509         if ((opts & PF_OPT_QUIET) == 0)
 510                 fprintf(stderr, "source tracking entries cleared\n");
 511         return (0);
 512 }
 513
 514 int
 515 pfctl_clear_iface_states(int dev, const char *iface, int opts)
 516 {
 517         struct pfctl_kill kill;
 518         unsigned int killed;
 519
 520         memset(&kill, 0, sizeof(kill));
 521         if (iface != NULL && strlcpy(kill.ifname, iface,
 522             sizeof(kill.ifname)) >= sizeof(kill.ifname))
 523                 errx(1, "invalid interface: %s", iface);
 524
 525         if (opts & PF_OPT_KILLMATCH)
 526                 kill.kill_match = true;
 527
 528         if (pfctl_clear_states(dev, &kill, &killed))
 529                 err(1, "DIOCCLRSTATES");
 530         if ((opts & PF_OPT_QUIET) == 0)
 531                 fprintf(stderr, "%d states cleared\n", killed);
 532         return (0);
 533 }
 534
 535 void
 536 pfctl_addrprefix(char *addr, struct pf_addr *mask)
 537 {
 538         char *p;
 539         const char *errstr;
 540         int prefix, ret_ga, q, r;
 541         struct addrinfo hints, *res;
 542
 543         if ((p = strchr(addr, '/')) == NULL)
 544                 return;
 545
 546         *p++ = '\0';
 547         prefix = strtonum(p, 0, 128, &errstr);
 548         if (errstr)
 549                 errx(1, "prefix is %s: %s", errstr, p);
 550
 551         bzero(&hints, sizeof(hints));
 552         /* prefix only with numeric addresses */
 553         hints.ai_flags |= AI_NUMERICHOST;
 554
 555         if ((ret_ga = getaddrinfo(addr, NULL, &hints, &res))) {
 556                 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
 557                 /* NOTREACHED */
 558         }
 559
 560         if (res->ai_family == AF_INET && prefix > 32)
 561                 errx(1, "prefix too long for AF_INET");
 562         else if (res->ai_family == AF_INET6 && prefix > 128)
 563                 errx(1, "prefix too long for AF_INET6");
 564
 565         q = prefix >> 3;
 566         r = prefix & 7;
 567         switch (res->ai_family) {
 568         case AF_INET:
 569                 bzero(&mask->v4, sizeof(mask->v4));
 570                 mask->v4.s_addr = htonl((u_int32_t)
 571                     (0xffffffffffULL << (32 - prefix)));
 572                 break;
 573         case AF_INET6:
 574                 bzero(&mask->v6, sizeof(mask->v6));
 575                 if (q > 0)
 576                         memset((void *)&mask->v6, 0xff, q);
 577                 if (r > 0)
 578                         *((u_char *)&mask->v6 + q) =
 579                             (0xff00 >> r) & 0xff;
 580                 break;
 581         }
 582         freeaddrinfo(res);
 583 }
 584
 585 int
 586 pfctl_kill_src_nodes(int dev, const char *iface, int opts)
 587 {
 588         struct pfioc_src_node_kill psnk;
 589         struct addrinfo *res[2], *resp[2];
 590         struct sockaddr last_src, last_dst;
 591         int killed, sources, dests;
 592         int ret_ga;
 593
 594         killed = sources = dests = 0;
 595
 596         memset(&psnk, 0, sizeof(psnk));
 597         memset(&psnk.psnk_src.addr.v.a.mask, 0xff,
 598             sizeof(psnk.psnk_src.addr.v.a.mask));
 599         memset(&last_src, 0xff, sizeof(last_src));
 600         memset(&last_dst, 0xff, sizeof(last_dst));
 601
 602         pfctl_addrprefix(src_node_kill[0], &psnk.psnk_src.addr.v.a.mask);
 603
 604         if ((ret_ga = getaddrinfo(src_node_kill[0], NULL, NULL, &res[0]))) {
 605                 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
 606                 /* NOTREACHED */
 607         }
 608         for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) {
 609                 if (resp[0]->ai_addr == NULL)
 610                         continue;
 611                 /* We get lots of duplicates.  Catch the easy ones */
 612                 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0)
 613                         continue;
 614                 last_src = *(struct sockaddr *)resp[0]->ai_addr;
 615
 616                 psnk.psnk_af = resp[0]->ai_family;
 617                 sources++;
 618
 619                 if (psnk.psnk_af == AF_INET)
 620                         psnk.psnk_src.addr.v.a.addr.v4 =
 621                             ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr;
 622                 else if (psnk.psnk_af == AF_INET6)
 623                         psnk.psnk_src.addr.v.a.addr.v6 =
 624                             ((struct sockaddr_in6 *)resp[0]->ai_addr)->
 625                             sin6_addr;
 626                 else
 627                         errx(1, "Unknown address family %d", psnk.psnk_af);
 628
 629                 if (src_node_killers > 1) {
 630                         dests = 0;
 631                         memset(&psnk.psnk_dst.addr.v.a.mask, 0xff,
 632                             sizeof(psnk.psnk_dst.addr.v.a.mask));
 633                         memset(&last_dst, 0xff, sizeof(last_dst));
 634                         pfctl_addrprefix(src_node_kill[1],
 635                             &psnk.psnk_dst.addr.v.a.mask);
 636                         if ((ret_ga = getaddrinfo(src_node_kill[1], NULL, NULL,
 637                             &res[1]))) {
 638                                 errx(1, "getaddrinfo: %s",
 639                                     gai_strerror(ret_ga));
 640                                 /* NOTREACHED */
 641                         }
 642                         for (resp[1] = res[1]; resp[1];
 643                             resp[1] = resp[1]->ai_next) {
 644                                 if (resp[1]->ai_addr == NULL)
 645                                         continue;
 646                                 if (psnk.psnk_af != resp[1]->ai_family)
 647                                         continue;
 648
 649                                 if (memcmp(&last_dst, resp[1]->ai_addr,
 650                                     sizeof(last_dst)) == 0)
 651                                         continue;
 652                                 last_dst = *(struct sockaddr *)resp[1]->ai_addr;
 653
 654                                 dests++;
 655
 656                                 if (psnk.psnk_af == AF_INET)
 657                                         psnk.psnk_dst.addr.v.a.addr.v4 =
 658                                             ((struct sockaddr_in *)resp[1]->
 659                                             ai_addr)->sin_addr;
 660                                 else if (psnk.psnk_af == AF_INET6)
 661                                         psnk.psnk_dst.addr.v.a.addr.v6 =
 662                                             ((struct sockaddr_in6 *)resp[1]->
 663                                             ai_addr)->sin6_addr;
 664                                 else
 665                                         errx(1, "Unknown address family %d",
 666                                             psnk.psnk_af);
 667
 668                                 if (ioctl(dev, DIOCKILLSRCNODES, &psnk))
 669                                         err(1, "DIOCKILLSRCNODES");
 670                                 killed += psnk.psnk_killed;
 671                         }
 672                         freeaddrinfo(res[1]);
 673                 } else {
 674                         if (ioctl(dev, DIOCKILLSRCNODES, &psnk))
 675                                 err(1, "DIOCKILLSRCNODES");
 676                         killed += psnk.psnk_killed;
 677                 }
 678         }
 679
 680         freeaddrinfo(res[0]);
 681
 682         if ((opts & PF_OPT_QUIET) == 0)
 683                 fprintf(stderr, "killed %d src nodes from %d sources and %d "
 684                     "destinations\n", killed, sources, dests);
 685         return (0);
 686 }
 687
 688 int
 689 pfctl_net_kill_states(int dev, const char *iface, int opts)
 690 {
 691         struct pfctl_kill kill;
 692         struct addrinfo *res[2], *resp[2];
 693         struct sockaddr last_src, last_dst;
 694         unsigned int newkilled;
 695         int killed, sources, dests;
 696         int ret_ga;
 697
 698         killed = sources = dests = 0;
 699
 700         memset(&kill, 0, sizeof(kill));
 701         memset(&kill.src.addr.v.a.mask, 0xff,
 702             sizeof(kill.src.addr.v.a.mask));
 703         memset(&last_src, 0xff, sizeof(last_src));
 704         memset(&last_dst, 0xff, sizeof(last_dst));
 705         if (iface != NULL && strlcpy(kill.ifname, iface,
 706             sizeof(kill.ifname)) >= sizeof(kill.ifname))
 707                 errx(1, "invalid interface: %s", iface);
 708
 709         pfctl_addrprefix(state_kill[0], &kill.src.addr.v.a.mask);
 710
 711         if (opts & PF_OPT_KILLMATCH)
 712                 kill.kill_match = true;
 713
 714         if ((ret_ga = getaddrinfo(state_kill[0], NULL, NULL, &res[0]))) {
 715                 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
 716                 /* NOTREACHED */
 717         }
 718         for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) {
 719                 if (resp[0]->ai_addr == NULL)
 720                         continue;
 721                 /* We get lots of duplicates.  Catch the easy ones */
 722                 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0)
 723                         continue;
 724                 last_src = *(struct sockaddr *)resp[0]->ai_addr;
 725
 726                 kill.af = resp[0]->ai_family;
 727                 sources++;
 728
 729                 if (kill.af == AF_INET)
 730                         kill.src.addr.v.a.addr.v4 =
 731                             ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr;
 732                 else if (kill.af == AF_INET6)
 733                         kill.src.addr.v.a.addr.v6 =
 734                             ((struct sockaddr_in6 *)resp[0]->ai_addr)->
 735                             sin6_addr;
 736                 else
 737                         errx(1, "Unknown address family %d", kill.af);
 738
 739                 if (state_killers > 1) {
 740                         dests = 0;
 741                         memset(&kill.dst.addr.v.a.mask, 0xff,
 742                             sizeof(kill.dst.addr.v.a.mask));
 743                         memset(&last_dst, 0xff, sizeof(last_dst));
 744                         pfctl_addrprefix(state_kill[1],
 745                             &kill.dst.addr.v.a.mask);
 746                         if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL,
 747                             &res[1]))) {
 748                                 errx(1, "getaddrinfo: %s",
 749                                     gai_strerror(ret_ga));
 750                                 /* NOTREACHED */
 751                         }
 752                         for (resp[1] = res[1]; resp[1];
 753                             resp[1] = resp[1]->ai_next) {
 754                                 if (resp[1]->ai_addr == NULL)
 755                                         continue;
 756                                 if (kill.af != resp[1]->ai_family)
 757                                         continue;
 758
 759                                 if (memcmp(&last_dst, resp[1]->ai_addr,
 760                                     sizeof(last_dst)) == 0)
 761                                         continue;
 762                                 last_dst = *(struct sockaddr *)resp[1]->ai_addr;
 763
 764                                 dests++;
 765
 766                                 if (kill.af == AF_INET)
 767                                         kill.dst.addr.v.a.addr.v4 =
 768                                             ((struct sockaddr_in *)resp[1]->
 769                                             ai_addr)->sin_addr;
 770                                 else if (kill.af == AF_INET6)
 771                                         kill.dst.addr.v.a.addr.v6 =
 772                                             ((struct sockaddr_in6 *)resp[1]->
 773                                             ai_addr)->sin6_addr;
 774                                 else
 775                                         errx(1, "Unknown address family %d",
 776                                             kill.af);
 777
 778                                 if (pfctl_kill_states(dev, &kill, &newkilled))
 779                                         err(1, "DIOCKILLSTATES");
 780                                 killed += newkilled;
 781                         }
 782                         freeaddrinfo(res[1]);
 783                 } else {
 784                         if (pfctl_kill_states(dev, &kill, &newkilled))
 785                                 err(1, "DIOCKILLSTATES");
 786                         killed += newkilled;
 787                 }
 788         }
 789
 790         freeaddrinfo(res[0]);
 791
 792         if ((opts & PF_OPT_QUIET) == 0)
 793                 fprintf(stderr, "killed %d states from %d sources and %d "
 794                     "destinations\n", killed, sources, dests);
 795         return (0);
 796 }
 797
 798 int
 799 pfctl_gateway_kill_states(int dev, const char *iface, int opts)
 800 {
 801         struct pfctl_kill kill;
 802         struct addrinfo *res, *resp;
 803         struct sockaddr last_src;
 804         unsigned int newkilled;
 805         int killed = 0;
 806         int ret_ga;
 807
 808         if (state_killers != 2 || (strlen(state_kill[1]) == 0)) {
 809                 warnx("no gateway specified");
 810                 usage();
 811         }
 812
 813         memset(&kill, 0, sizeof(kill));
 814         memset(&kill.rt_addr.addr.v.a.mask, 0xff,
 815             sizeof(kill.rt_addr.addr.v.a.mask));
 816         memset(&last_src, 0xff, sizeof(last_src));
 817         if (iface != NULL && strlcpy(kill.ifname, iface,
 818             sizeof(kill.ifname)) >= sizeof(kill.ifname))
 819                 errx(1, "invalid interface: %s", iface);
 820
 821         if (opts & PF_OPT_KILLMATCH)
 822                 kill.kill_match = true;
 823
 824         pfctl_addrprefix(state_kill[1], &kill.rt_addr.addr.v.a.mask);
 825
 826         if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, &res))) {
 827                 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
 828                 /* NOTREACHED */
 829         }
 830         for (resp = res; resp; resp = resp->ai_next) {
 831                 if (resp->ai_addr == NULL)
 832                         continue;
 833                 /* We get lots of duplicates.  Catch the easy ones */
 834                 if (memcmp(&last_src, resp->ai_addr, sizeof(last_src)) == 0)
 835                         continue;
 836                 last_src = *(struct sockaddr *)resp->ai_addr;
 837
 838                 kill.af = resp->ai_family;
 839
 840                 if (kill.af == AF_INET)
 841                         kill.rt_addr.addr.v.a.addr.v4 =
 842                             ((struct sockaddr_in *)resp->ai_addr)->sin_addr;
 843                 else if (kill.af == AF_INET6)
 844                         kill.rt_addr.addr.v.a.addr.v6 =
 845                             ((struct sockaddr_in6 *)resp->ai_addr)->
 846                             sin6_addr;
 847                 else
 848                         errx(1, "Unknown address family %d", kill.af);
 849
 850                 if (pfctl_kill_states(dev, &kill, &newkilled))
 851                         err(1, "DIOCKILLSTATES");
 852                 killed += newkilled;
 853         }
 854
 855         freeaddrinfo(res);
 856
 857         if ((opts & PF_OPT_QUIET) == 0)
 858                 fprintf(stderr, "killed %d states\n", killed);
 859         return (0);
 860 }
 861
 862 int
 863 pfctl_label_kill_states(int dev, const char *iface, int opts)
 864 {
 865         struct pfctl_kill kill;
 866         unsigned int killed;
 867
 868         if (state_killers != 2 || (strlen(state_kill[1]) == 0)) {
 869                 warnx("no label specified");
 870                 usage();
 871         }
 872         memset(&kill, 0, sizeof(kill));
 873         if (iface != NULL && strlcpy(kill.ifname, iface,
 874             sizeof(kill.ifname)) >= sizeof(kill.ifname))
 875                 errx(1, "invalid interface: %s", iface);
 876
 877         if (opts & PF_OPT_KILLMATCH)
 878                 kill.kill_match = true;
 879
 880         if (strlcpy(kill.label, state_kill[1], sizeof(kill.label)) >=
 881             sizeof(kill.label))
 882                 errx(1, "label too long: %s", state_kill[1]);
 883
 884         if (pfctl_kill_states(dev, &kill, &killed))
 885                 err(1, "DIOCKILLSTATES");
 886
 887         if ((opts & PF_OPT_QUIET) == 0)
 888                 fprintf(stderr, "killed %d states\n", killed);
 889
 890         return (0);
 891 }
 892
 893 int
 894 pfctl_id_kill_states(int dev, const char *iface, int opts)
 895 {
 896         struct pfctl_kill kill;
 897         unsigned int killed;
 898
 899         if (state_killers != 2 || (strlen(state_kill[1]) == 0)) {
 900                 warnx("no id specified");
 901                 usage();
 902         }
 903
 904         memset(&kill, 0, sizeof(kill));
 905
 906         if (opts & PF_OPT_KILLMATCH)
 907                 kill.kill_match = true;
 908
 909         if ((sscanf(state_kill[1], "%jx/%x",
 910             &kill.cmp.id, &kill.cmp.creatorid)) == 2)
 911                 HTONL(kill.cmp.creatorid);
 912         else if ((sscanf(state_kill[1], "%jx", &kill.cmp.id)) == 1) {
 913                 kill.cmp.creatorid = 0;
 914         } else {
 915                 warnx("wrong id format specified");
 916                 usage();
 917         }
 918         if (kill.cmp.id == 0) {
 919                 warnx("cannot kill id 0");
 920                 usage();
 921         }
 922
 923         kill.cmp.id = htobe64(kill.cmp.id);
 924         if (pfctl_kill_states(dev, &kill, &killed))
 925                 err(1, "DIOCKILLSTATES");
 926
 927         if ((opts & PF_OPT_QUIET) == 0)
 928                 fprintf(stderr, "killed %d states\n", killed);
 929
 930         return (0);
 931 }
 932
 933 int
 934 pfctl_get_pool(int dev, struct pfctl_pool *pool, u_int32_t nr,
 935     u_int32_t ticket, int r_action, char *anchorname)
 936 {
 937         struct pfioc_pooladdr pp;
 938         struct pf_pooladdr *pa;
 939         u_int32_t pnr, mpnr;
 940
 941         memset(&pp, 0, sizeof(pp));
 942         memcpy(pp.anchor, anchorname, sizeof(pp.anchor));
 943         pp.r_action = r_action;
 944         pp.r_num = nr;
 945         pp.ticket = ticket;
 946         if (ioctl(dev, DIOCGETADDRS, &pp)) {
 947                 warn("DIOCGETADDRS");
 948                 return (-1);
 949         }
 950         mpnr = pp.nr;
 951         TAILQ_INIT(&pool->list);
 952         for (pnr = 0; pnr < mpnr; ++pnr) {
 953                 pp.nr = pnr;
 954                 if (ioctl(dev, DIOCGETADDR, &pp)) {
 955                         warn("DIOCGETADDR");
 956                         return (-1);
 957                 }
 958                 pa = calloc(1, sizeof(struct pf_pooladdr));
 959                 if (pa == NULL)
 960                         err(1, "calloc");
 961                 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr));
 962                 TAILQ_INSERT_TAIL(&pool->list, pa, entries);
 963         }
 964
 965         return (0);
 966 }
 967
 968 void
 969 pfctl_move_pool(struct pfctl_pool *src, struct pfctl_pool *dst)
 970 {
 971         struct pf_pooladdr *pa;
 972
 973         while ((pa = TAILQ_FIRST(&src->list)) != NULL) {
 974                 TAILQ_REMOVE(&src->list, pa, entries);
 975                 TAILQ_INSERT_TAIL(&dst->list, pa, entries);
 976         }
 977 }
 978
 979 void
 980 pfctl_clear_pool(struct pfctl_pool *pool)
 981 {
 982         struct pf_pooladdr *pa;
 983
 984         while ((pa = TAILQ_FIRST(&pool->list)) != NULL) {
 985                 TAILQ_REMOVE(&pool->list, pa, entries);
 986                 free(pa);
 987         }
 988 }
 989
 990 void
 991 pfctl_print_rule_counters(struct pfctl_rule *rule, int opts)
 992 {
 993         if (opts & PF_OPT_DEBUG) {
 994                 const char *t[PF_SKIP_COUNT] = { "i", "d", "f",
 995                     "p", "sa", "sp", "da", "dp" };
 996                 int i;
 997
 998                 printf("  [ Skip steps: ");
 999                 for (i = 0; i < PF_SKIP_COUNT; ++i) {
1000                         if (rule->skip[i].nr == rule->nr + 1)
1001                                 continue;
1002                         printf("%s=", t[i]);
1003                         if (rule->skip[i].nr == -1)
1004                                 printf("end ");
1005                         else
1006                                 printf("%u ", rule->skip[i].nr);
1007                 }
1008                 printf("]\n");
1009
1010                 printf("  [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n",
1011                     rule->qname, rule->qid, rule->pqname, rule->pqid);
1012         }
1013         if (opts & PF_OPT_VERBOSE) {
1014                 printf("  [ Evaluations: %-8llu  Packets: %-8llu  "
1015                             "Bytes: %-10llu  States: %-6ju]\n",
1016                             (unsigned long long)rule->evaluations,
1017                             (unsigned long long)(rule->packets[0] +
1018                             rule->packets[1]),
1019                             (unsigned long long)(rule->bytes[0] +
1020                             rule->bytes[1]), (uintmax_t)rule->states_cur);
1021                 if (!(opts & PF_OPT_DEBUG))
1022                         printf("  [ Inserted: uid %u pid %u "
1023                             "State Creations: %-6ju]\n",
1024                             (unsigned)rule->cuid, (unsigned)rule->cpid,
1025                             (uintmax_t)rule->states_tot);
1026         }
1027 }
1028
1029 void
1030 pfctl_print_title(char *title)
1031 {
1032         if (!first_title)
1033                 printf("\n");
1034         first_title = 0;
1035         printf("%s\n", title);
1036 }
1037
1038 int
1039 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format,
1040     char *anchorname, int depth)
1041 {
1042         struct pfioc_rule pr;
1043         struct pfctl_rule rule;
1044         u_int32_t nr, mnr, header = 0;
1045         int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG);
1046         int numeric = opts & PF_OPT_NUMERIC;
1047         int len = strlen(path);
1048         int brace;
1049         char *p;
1050
1051         if (path[0])
1052                 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname);
1053         else
1054                 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname);
1055
1056         memset(&pr, 0, sizeof(pr));
1057         memcpy(pr.anchor, path, sizeof(pr.anchor));
1058         if (opts & PF_OPT_SHOWALL) {
1059                 pr.rule.action = PF_PASS;
1060                 if (ioctl(dev, DIOCGETRULES, &pr)) {
1061                         warn("DIOCGETRULES");
1062                         goto error;
1063                 }
1064                 header++;
1065         }
1066         pr.rule.action = PF_SCRUB;
1067         if (ioctl(dev, DIOCGETRULES, &pr)) {
1068                 warn("DIOCGETRULES");
1069                 goto error;
1070         }
1071         if (opts & PF_OPT_SHOWALL) {
1072                 if (format == PFCTL_SHOW_RULES && (pr.nr > 0 || header))
1073                         pfctl_print_title("FILTER RULES:");
1074                 else if (format == PFCTL_SHOW_LABELS && labels)
1075                         pfctl_print_title("LABEL COUNTERS:");
1076         }
1077         mnr = pr.nr;
1078
1079         for (nr = 0; nr < mnr; ++nr) {
1080                 pr.nr = nr;
1081                 if (pfctl_get_clear_rule(dev, nr, pr.ticket, path, PF_SCRUB,
1082                     &rule, pr.anchor_call, opts & PF_OPT_CLRRULECTRS)) {
1083                         warn("DIOCGETRULENV");
1084                         goto error;
1085                 }
1086
1087                 if (pfctl_get_pool(dev, &rule.rpool,
1088                     nr, pr.ticket, PF_SCRUB, path) != 0)
1089                         goto error;
1090
1091                 switch (format) {
1092                 case PFCTL_SHOW_LABELS:
1093                         break;
1094                 case PFCTL_SHOW_RULES:
1095                         if (rule.label[0] && (opts & PF_OPT_SHOWALL))
1096                                 labels = 1;
1097                         print_rule(&rule, pr.anchor_call, rule_numbers, numeric);
1098                         printf("\n");
1099                         pfctl_print_rule_counters(&rule, opts);
1100                         break;
1101                 case PFCTL_SHOW_NOTHING:
1102                         break;
1103                 }
1104                 pfctl_clear_pool(&rule.rpool);
1105         }
1106         pr.rule.action = PF_PASS;
1107         if (ioctl(dev, DIOCGETRULES, &pr)) {
1108                 warn("DIOCGETRULES");
1109                 goto error;
1110         }
1111         mnr = pr.nr;
1112         for (nr = 0; nr < mnr; ++nr) {
1113                 pr.nr = nr;
1114                 if (pfctl_get_clear_rule(dev, nr, pr.ticket, path, PF_PASS,
1115                     &rule, pr.anchor_call, opts & PF_OPT_CLRRULECTRS)) {
1116                         warn("DIOCGETRULE");
1117                         goto error;
1118                 }
1119
1120                 if (pfctl_get_pool(dev, &rule.rpool,
1121                     nr, pr.ticket, PF_PASS, path) != 0)
1122                         goto error;
1123
1124                 switch (format) {
1125                 case PFCTL_SHOW_LABELS: {
1126                         bool show = false;
1127                         int i = 0;
1128
1129                         while (rule.label[i][0]) {
1130                                 printf("%s ", rule.label[i++]);
1131                                 show = true;
1132                         }
1133
1134                         if (show) {
1135                                 printf("%llu %llu %llu %llu"
1136                                     " %llu %llu %llu %ju\n",
1137                                     (unsigned long long)rule.evaluations,
1138                                     (unsigned long long)(rule.packets[0] +
1139                                     rule.packets[1]),
1140                                     (unsigned long long)(rule.bytes[0] +
1141                                     rule.bytes[1]),
1142                                     (unsigned long long)rule.packets[0],
1143                                     (unsigned long long)rule.bytes[0],
1144                                     (unsigned long long)rule.packets[1],
1145                                     (unsigned long long)rule.bytes[1],
1146                                     (uintmax_t)rule.states_tot);
1147                         }
1148                         break;
1149                 }
1150                 case PFCTL_SHOW_RULES:
1151                         brace = 0;
1152                         if (rule.label[0] && (opts & PF_OPT_SHOWALL))
1153                                 labels = 1;
1154                         INDENT(depth, !(opts & PF_OPT_VERBOSE));
1155                         if (pr.anchor_call[0] &&
1156                            ((((p = strrchr(pr.anchor_call, '_')) != NULL) &&
1157                            ((void *)p == (void *)pr.anchor_call ||
1158                            *(--p) == '/')) || (opts & PF_OPT_RECURSE))) {
1159                                 brace++;
1160                                 if ((p = strrchr(pr.anchor_call, '/')) !=
1161                                     NULL)
1162                                         p++;
1163                                 else
1164                                         p = &pr.anchor_call[0];
1165                         } else
1166                                 p = &pr.anchor_call[0];
1167
1168                         print_rule(&rule, p, rule_numbers, numeric);
1169                         if (brace)
1170                                 printf(" {\n");
1171                         else
1172                                 printf("\n");
1173                         pfctl_print_rule_counters(&rule, opts);
1174                         if (brace) {
1175                                 pfctl_show_rules(dev, path, opts, format,
1176                                     p, depth + 1);
1177                                 INDENT(depth, !(opts & PF_OPT_VERBOSE));
1178                                 printf("}\n");
1179                         }
1180                         break;
1181                 case PFCTL_SHOW_NOTHING:
1182                         break;
1183                 }
1184                 pfctl_clear_pool(&rule.rpool);
1185         }
1186         path[len] = '\0';
1187         return (0);
1188
1189  error:
1190         path[len] = '\0';
1191         return (-1);
1192 }
1193
1194 int
1195 pfctl_show_nat(int dev, int opts, char *anchorname)
1196 {
1197         struct pfioc_rule pr;
1198         struct pfctl_rule rule;
1199         u_int32_t mnr, nr;
1200         static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT };
1201         int i, dotitle = opts & PF_OPT_SHOWALL;
1202
1203         memset(&pr, 0, sizeof(pr));
1204         memcpy(pr.anchor, anchorname, sizeof(pr.anchor));
1205         for (i = 0; i < 3; i++) {
1206                 pr.rule.action = nattype[i];
1207                 if (ioctl(dev, DIOCGETRULES, &pr)) {
1208                         warn("DIOCGETRULES");
1209                         return (-1);
1210                 }
1211                 mnr = pr.nr;
1212                 for (nr = 0; nr < mnr; ++nr) {
1213                         pr.nr = nr;
1214                         if (pfctl_get_rule(dev, nr, pr.ticket, anchorname,
1215                             nattype[i], &rule, pr.anchor_call)) {
1216                                 warn("DIOCGETRULE");
1217                                 return (-1);
1218                         }
1219                         if (pfctl_get_pool(dev, &rule.rpool, nr,
1220                             pr.ticket, nattype[i], anchorname) != 0)
1221                                 return (-1);
1222                         if (dotitle) {
1223                                 pfctl_print_title("TRANSLATION RULES:");
1224                                 dotitle = 0;
1225                         }
1226                         print_rule(&rule, pr.anchor_call,
1227                             opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC);
1228                         printf("\n");
1229                         pfctl_print_rule_counters(&rule, opts);
1230                         pfctl_clear_pool(&rule.rpool);
1231                 }
1232         }
1233         return (0);
1234 }
1235
1236 int
1237 pfctl_show_src_nodes(int dev, int opts)
1238 {
1239         struct pfioc_src_nodes psn;
1240         struct pf_src_node *p;
1241         char *inbuf = NULL, *newinbuf = NULL;
1242         unsigned int len = 0;
1243         int i;
1244
1245         memset(&psn, 0, sizeof(psn));
1246         for (;;) {
1247                 psn.psn_len = len;
1248                 if (len) {
1249                         newinbuf = realloc(inbuf, len);
1250                         if (newinbuf == NULL)
1251                                 err(1, "realloc");
1252                         psn.psn_buf = inbuf = newinbuf;
1253                 }
1254                 if (ioctl(dev, DIOCGETSRCNODES, &psn) < 0) {
1255                         warn("DIOCGETSRCNODES");
1256                         free(inbuf);
1257                         return (-1);
1258                 }
1259                 if (psn.psn_len + sizeof(struct pfioc_src_nodes) < len)
1260                         break;
1261                 if (len == 0 && psn.psn_len == 0)
1262                         goto done;
1263                 if (len == 0 && psn.psn_len != 0)
1264                         len = psn.psn_len;
1265                 if (psn.psn_len == 0)
1266                         goto done;      /* no src_nodes */
1267                 len *= 2;
1268         }
1269         p = psn.psn_src_nodes;
1270         if (psn.psn_len > 0 && (opts & PF_OPT_SHOWALL))
1271                 pfctl_print_title("SOURCE TRACKING NODES:");
1272         for (i = 0; i < psn.psn_len; i += sizeof(*p)) {
1273                 print_src_node(p, opts);
1274                 p++;
1275         }
1276 done:
1277         free(inbuf);
1278         return (0);
1279 }
1280
1281 int
1282 pfctl_show_states(int dev, const char *iface, int opts)
1283 {
1284         struct pfctl_states states;
1285         struct pfctl_state *s;
1286         int dotitle = (opts & PF_OPT_SHOWALL);
1287
1288         memset(&states, 0, sizeof(states));
1289
1290         if (pfctl_get_states(dev, &states))
1291                 return (-1);
1292
1293         TAILQ_FOREACH(s, &states.states, entry) {
1294                 if (iface != NULL && strcmp(s->ifname, iface))
1295                         continue;
1296                 if (dotitle) {
1297                         pfctl_print_title("STATES:");
1298                         dotitle = 0;
1299                 }
1300                 print_state(s, opts);
1301         }
1302
1303         pfctl_free_states(&states);
1304
1305         return (0);
1306 }
1307
1308 int
1309 pfctl_show_status(int dev, int opts)
1310 {
1311         struct pf_status        status;
1312         struct pfctl_syncookies cookies;
1313
1314         if (ioctl(dev, DIOCGETSTATUS, &status)) {
1315                 warn("DIOCGETSTATUS");
1316                 return (-1);
1317         }
1318         if (pfctl_get_syncookies(dev, &cookies)) {
1319                 warn("DIOCGETSYNCOOKIES");
1320                 return (-1);
1321         }
1322         if (opts & PF_OPT_SHOWALL)
1323                 pfctl_print_title("INFO:");
1324         print_status(&status, &cookies, opts);
1325         return (0);
1326 }
1327
1328 int
1329 pfctl_show_running(int dev)
1330 {
1331         struct pf_status status;
1332
1333         if (ioctl(dev, DIOCGETSTATUS, &status)) {
1334                 warn("DIOCGETSTATUS");
1335                 return (-1);
1336         }
1337
1338         print_running(&status);
1339         return (!status.running);
1340 }
1341
1342 int
1343 pfctl_show_timeouts(int dev, int opts)
1344 {
1345         struct pfioc_tm pt;
1346         int i;
1347
1348         if (opts & PF_OPT_SHOWALL)
1349                 pfctl_print_title("TIMEOUTS:");
1350         memset(&pt, 0, sizeof(pt));
1351         for (i = 0; pf_timeouts[i].name; i++) {
1352                 pt.timeout = pf_timeouts[i].timeout;
1353                 if (ioctl(dev, DIOCGETTIMEOUT, &pt))
1354                         err(1, "DIOCGETTIMEOUT");
1355                 printf("%-20s %10d", pf_timeouts[i].name, pt.seconds);
1356                 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START &&
1357                     pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END)
1358                         printf(" states");
1359                 else
1360                         printf("s");
1361                 printf("\n");
1362         }
1363         return (0);
1364
1365 }
1366
1367 int
1368 pfctl_show_limits(int dev, int opts)
1369 {
1370         struct pfioc_limit pl;
1371         int i;
1372
1373         if (opts & PF_OPT_SHOWALL)
1374                 pfctl_print_title("LIMITS:");
1375         memset(&pl, 0, sizeof(pl));
1376         for (i = 0; pf_limits[i].name; i++) {
1377                 pl.index = pf_limits[i].index;
1378                 if (ioctl(dev, DIOCGETLIMIT, &pl))
1379                         err(1, "DIOCGETLIMIT");
1380                 printf("%-13s ", pf_limits[i].name);
1381                 if (pl.limit == UINT_MAX)
1382                         printf("unlimited\n");
1383                 else
1384                         printf("hard limit %8u\n", pl.limit);
1385         }
1386         return (0);
1387 }
1388
1389 /* callbacks for rule/nat/rdr/addr */
1390 int
1391 pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af)
1392 {
1393         struct pf_pooladdr *pa;
1394
1395         if ((pf->opts & PF_OPT_NOACTION) == 0) {
1396                 if (ioctl(pf->dev, DIOCBEGINADDRS, &pf->paddr))
1397                         err(1, "DIOCBEGINADDRS");
1398         }
1399
1400         pf->paddr.af = af;
1401         TAILQ_FOREACH(pa, &p->list, entries) {
1402                 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr));
1403                 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1404                         if (ioctl(pf->dev, DIOCADDADDR, &pf->paddr))
1405                                 err(1, "DIOCADDADDR");
1406                 }
1407         }
1408         return (0);
1409 }
1410
1411 int
1412 pfctl_append_rule(struct pfctl *pf, struct pfctl_rule *r,
1413     const char *anchor_call)
1414 {
1415         u_int8_t                rs_num;
1416         struct pfctl_rule       *rule;
1417         struct pfctl_ruleset    *rs;
1418         char                    *p;
1419
1420         rs_num = pf_get_ruleset_number(r->action);
1421         if (rs_num == PF_RULESET_MAX)
1422                 errx(1, "Invalid rule type %d", r->action);
1423
1424         rs = &pf->anchor->ruleset;
1425
1426         if (anchor_call[0] && r->anchor == NULL) {
1427                 /*
1428                  * Don't make non-brace anchors part of the main anchor pool.
1429                  */
1430                 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL)
1431                         err(1, "pfctl_append_rule: calloc");
1432
1433                 pf_init_ruleset(&r->anchor->ruleset);
1434                 r->anchor->ruleset.anchor = r->anchor;
1435                 if (strlcpy(r->anchor->path, anchor_call,
1436                     sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path))
1437                         errx(1, "pfctl_append_rule: strlcpy");
1438                 if ((p = strrchr(anchor_call, '/')) != NULL) {
1439                         if (!strlen(p))
1440                                 err(1, "pfctl_append_rule: bad anchor name %s",
1441                                     anchor_call);
1442                 } else
1443                         p = (char *)anchor_call;
1444                 if (strlcpy(r->anchor->name, p,
1445                     sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name))
1446                         errx(1, "pfctl_append_rule: strlcpy");
1447         }
1448
1449         if ((rule = calloc(1, sizeof(*rule))) == NULL)
1450                 err(1, "calloc");
1451         bcopy(r, rule, sizeof(*rule));
1452         TAILQ_INIT(&rule->rpool.list);
1453         pfctl_move_pool(&r->rpool, &rule->rpool);
1454
1455         TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries);
1456         return (0);
1457 }
1458
1459 int
1460 pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pfctl_anchor *a)
1461 {
1462         int osize = pf->trans->pfrb_size;
1463
1464         if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) {
1465                 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) ||
1466                     pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) ||
1467                     pfctl_add_trans(pf->trans, PF_RULESET_RDR, path))
1468                         return (1);
1469         }
1470         if (a == pf->astack[0] && ((altqsupport &&
1471             (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) {
1472                 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path))
1473                         return (2);
1474         }
1475         if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) {
1476                 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) ||
1477                     pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path))
1478                         return (3);
1479         }
1480         if (pf->loadopt & PFCTL_FLAG_TABLE)
1481                 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path))
1482                         return (4);
1483         if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize))
1484                 return (5);
1485
1486         return (0);
1487 }
1488
1489 int
1490 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs,
1491     int rs_num, int depth)
1492 {
1493         struct pfctl_rule *r;
1494         int             error, len = strlen(path);
1495         int             brace = 0;
1496
1497         pf->anchor = rs->anchor;
1498
1499         if (path[0])
1500                 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name);
1501         else
1502                 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name);
1503
1504         if (depth) {
1505                 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) {
1506                         brace++;
1507                         if (pf->opts & PF_OPT_VERBOSE)
1508                                 printf(" {\n");
1509                         if ((pf->opts & PF_OPT_NOACTION) == 0 &&
1510                             (error = pfctl_ruleset_trans(pf,
1511                             path, rs->anchor))) {
1512                                 printf("pfctl_load_rulesets: "
1513                                     "pfctl_ruleset_trans %d\n", error);
1514                                 goto error;
1515                         }
1516                 } else if (pf->opts & PF_OPT_VERBOSE)
1517                         printf("\n");
1518
1519         }
1520
1521         if (pf->optimize && rs_num == PF_RULESET_FILTER)
1522                 pfctl_optimize_ruleset(pf, rs);
1523
1524         while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) {
1525                 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries);
1526                 if ((error = pfctl_load_rule(pf, path, r, depth)))
1527                         goto error;
1528                 if (r->anchor) {
1529                         if ((error = pfctl_load_ruleset(pf, path,
1530                             &r->anchor->ruleset, rs_num, depth + 1)))
1531                                 goto error;
1532                 } else if (pf->opts & PF_OPT_VERBOSE)
1533                         printf("\n");
1534                 free(r);
1535         }
1536         if (brace && pf->opts & PF_OPT_VERBOSE) {
1537                 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE));
1538                 printf("}\n");
1539         }
1540         path[len] = '\0';
1541         return (0);
1542
1543  error:
1544         path[len] = '\0';
1545         return (error);
1546
1547 }
1548
1549 int
1550 pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth)
1551 {
1552         u_int8_t                rs_num = pf_get_ruleset_number(r->action);
1553         char                    *name;
1554         u_int32_t               ticket;
1555         char                    anchor[PF_ANCHOR_NAME_SIZE];
1556         int                     len = strlen(path);
1557
1558         /* set up anchor before adding to path for anchor_call */
1559         if ((pf->opts & PF_OPT_NOACTION) == 0)
1560                 ticket = pfctl_get_ticket(pf->trans, rs_num, path);
1561         if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor))
1562                 errx(1, "pfctl_load_rule: strlcpy");
1563
1564         if (r->anchor) {
1565                 if (r->anchor->match) {
1566                         if (path[0])
1567                                 snprintf(&path[len], MAXPATHLEN - len,
1568                                     "/%s", r->anchor->name);
1569                         else
1570                                 snprintf(&path[len], MAXPATHLEN - len,
1571                                     "%s", r->anchor->name);
1572                         name = r->anchor->name;
1573                 } else
1574                         name = r->anchor->path;
1575         } else
1576                 name = "";
1577
1578         if ((pf->opts & PF_OPT_NOACTION) == 0) {
1579                 if (pfctl_add_pool(pf, &r->rpool, r->af))
1580                         return (1);
1581                 if (pfctl_add_rule(pf->dev, r, anchor, name, ticket,
1582                     pf->paddr.ticket))
1583                         err(1, "DIOCADDRULENV");
1584         }
1585
1586         if (pf->opts & PF_OPT_VERBOSE) {
1587                 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2));
1588                 print_rule(r, r->anchor ? r->anchor->name : "",
1589                     pf->opts & PF_OPT_VERBOSE2,
1590                     pf->opts & PF_OPT_NUMERIC);
1591         }
1592         path[len] = '\0';
1593         pfctl_clear_pool(&r->rpool);
1594         return (0);
1595 }
1596
1597 int
1598 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a)
1599 {
1600         if (altqsupport &&
1601             (loadopt & PFCTL_FLAG_ALTQ) != 0) {
1602                 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq));
1603                 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1604                         if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) {
1605                                 if (errno == ENXIO)
1606                                         errx(1, "qtype not configured");
1607                                 else if (errno == ENODEV)
1608                                         errx(1, "%s: driver does not support "
1609                                             "altq", a->ifname);
1610                                 else
1611                                         err(1, "DIOCADDALTQ");
1612                         }
1613                 }
1614                 pfaltq_store(&pf->paltq->altq);
1615         }
1616         return (0);
1617 }
1618
1619 int
1620 pfctl_rules(int dev, char *filename, int opts, int optimize,
1621     char *anchorname, struct pfr_buffer *trans)
1622 {
1623 #define ERR(x) do { warn(x); goto _error; } while(0)
1624 #define ERRX(x) do { warnx(x); goto _error; } while(0)
1625
1626         struct pfr_buffer       *t, buf;
1627         struct pfioc_altq        pa;
1628         struct pfctl             pf;
1629         struct pfctl_ruleset    *rs;
1630         struct pfr_table         trs;
1631         char                    *path;
1632         int                      osize;
1633
1634         RB_INIT(&pf_anchors);
1635         memset(&pf_main_anchor, 0, sizeof(pf_main_anchor));
1636         pf_init_ruleset(&pf_main_anchor.ruleset);
1637         pf_main_anchor.ruleset.anchor = &pf_main_anchor;
1638         if (trans == NULL) {
1639                 bzero(&buf, sizeof(buf));
1640                 buf.pfrb_type = PFRB_TRANS;
1641                 t = &buf;
1642                 osize = 0;
1643         } else {
1644                 t = trans;
1645                 osize = t->pfrb_size;
1646         }
1647
1648         memset(&pa, 0, sizeof(pa));
1649         pa.version = PFIOC_ALTQ_VERSION;
1650         memset(&pf, 0, sizeof(pf));
1651         memset(&trs, 0, sizeof(trs));
1652         if ((path = calloc(1, MAXPATHLEN)) == NULL)
1653                 ERRX("pfctl_rules: calloc");
1654         if (strlcpy(trs.pfrt_anchor, anchorname,
1655             sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor))
1656                 ERRX("pfctl_rules: strlcpy");
1657         pf.dev = dev;
1658         pf.opts = opts;
1659         pf.optimize = optimize;
1660         pf.loadopt = loadopt;
1661
1662         /* non-brace anchor, create without resolving the path */
1663         if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL)
1664                 ERRX("pfctl_rules: calloc");
1665         rs = &pf.anchor->ruleset;
1666         pf_init_ruleset(rs);
1667         rs->anchor = pf.anchor;
1668         if (strlcpy(pf.anchor->path, anchorname,
1669             sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path))
1670                 errx(1, "pfctl_add_rule: strlcpy");
1671         if (strlcpy(pf.anchor->name, anchorname,
1672             sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name))
1673                 errx(1, "pfctl_add_rule: strlcpy");
1674
1675
1676         pf.astack[0] = pf.anchor;
1677         pf.asd = 0;
1678         if (anchorname[0])
1679                 pf.loadopt &= ~PFCTL_FLAG_ALTQ;
1680         pf.paltq = &pa;
1681         pf.trans = t;
1682         pfctl_init_options(&pf);
1683
1684         if ((opts & PF_OPT_NOACTION) == 0) {
1685                 /*
1686                  * XXX For the time being we need to open transactions for
1687                  * the main ruleset before parsing, because tables are still
1688                  * loaded at parse time.
1689                  */
1690                 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor))
1691                         ERRX("pfctl_rules");
1692                 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ))
1693                         pa.ticket =
1694                             pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname);
1695                 if (pf.loadopt & PFCTL_FLAG_TABLE)
1696                         pf.astack[0]->ruleset.tticket =
1697                             pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname);
1698         }
1699
1700         if (parse_config(filename, &pf) < 0) {
1701                 if ((opts & PF_OPT_NOACTION) == 0)
1702                         ERRX("Syntax error in config file: "
1703                             "pf rules not loaded");
1704                 else
1705                         goto _error;
1706         }
1707         if (loadopt & PFCTL_FLAG_OPTION)
1708                 pfctl_adjust_skip_ifaces(&pf);
1709
1710         if ((pf.loadopt & PFCTL_FLAG_FILTER &&
1711             (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) ||
1712             (pf.loadopt & PFCTL_FLAG_NAT &&
1713             (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) ||
1714             pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) ||
1715             pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) ||
1716             (pf.loadopt & PFCTL_FLAG_FILTER &&
1717             pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) {
1718                 if ((opts & PF_OPT_NOACTION) == 0)
1719                         ERRX("Unable to load rules into kernel");
1720                 else
1721                         goto _error;
1722         }
1723
1724         if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0))
1725                 if (check_commit_altq(dev, opts) != 0)
1726                         ERRX("errors in altq config");
1727
1728         /* process "load anchor" directives */
1729         if (!anchorname[0])
1730                 if (pfctl_load_anchors(dev, &pf, t) == -1)
1731                         ERRX("load anchors");
1732
1733         if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) {
1734                 if (!anchorname[0])
1735                         if (pfctl_load_options(&pf))
1736                                 goto _error;
1737                 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize))
1738                         ERR("DIOCXCOMMIT");
1739         }
1740         free(path);
1741         return (0);
1742
1743 _error:
1744         if (trans == NULL) {    /* main ruleset */
1745                 if ((opts & PF_OPT_NOACTION) == 0)
1746                         if (pfctl_trans(dev, t, DIOCXROLLBACK, osize))
1747                                 err(1, "DIOCXROLLBACK");
1748                 exit(1);
1749         } else {                /* sub ruleset */
1750                 free(path);
1751                 return (-1);
1752         }
1753
1754 #undef ERR
1755 #undef ERRX
1756 }
1757
1758 FILE *
1759 pfctl_fopen(const char *name, const char *mode)
1760 {
1761         struct stat      st;
1762         FILE            *fp;
1763
1764         fp = fopen(name, mode);
1765         if (fp == NULL)
1766                 return (NULL);
1767         if (fstat(fileno(fp), &st)) {
1768                 fclose(fp);
1769                 return (NULL);
1770         }
1771         if (S_ISDIR(st.st_mode)) {
1772                 fclose(fp);
1773                 errno = EISDIR;
1774                 return (NULL);
1775         }
1776         return (fp);
1777 }
1778
1779 void
1780 pfctl_init_options(struct pfctl *pf)
1781 {
1782
1783         pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL;
1784         pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL;
1785         pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL;
1786         pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL;
1787         pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL;
1788         pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL;
1789         pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL;
1790         pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL;
1791         pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL;
1792         pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL;
1793         pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL;
1794         pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL;
1795         pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL;
1796         pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL;
1797         pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL;
1798         pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL;
1799         pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL;
1800         pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL;
1801         pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START;
1802         pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END;
1803
1804         pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT;
1805         pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT;
1806         pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT;
1807         pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT;
1808
1809         pf->debug = PF_DEBUG_URGENT;
1810 }
1811
1812 int
1813 pfctl_load_options(struct pfctl *pf)
1814 {
1815         int i, error = 0;
1816
1817         if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1818                 return (0);
1819
1820         /* load limits */
1821         for (i = 0; i < PF_LIMIT_MAX; i++) {
1822                 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i])
1823                         continue;
1824                 if (pfctl_load_limit(pf, i, pf->limit[i]))
1825                         error = 1;
1826         }
1827
1828         /*
1829          * If we've set the limit, but haven't explicitly set adaptive
1830          * timeouts, do it now with a start of 60% and end of 120%.
1831          */
1832         if (pf->limit_set[PF_LIMIT_STATES] &&
1833             !pf->timeout_set[PFTM_ADAPTIVE_START] &&
1834             !pf->timeout_set[PFTM_ADAPTIVE_END]) {
1835                 pf->timeout[PFTM_ADAPTIVE_START] =
1836                         (pf->limit[PF_LIMIT_STATES] / 10) * 6;
1837                 pf->timeout_set[PFTM_ADAPTIVE_START] = 1;
1838                 pf->timeout[PFTM_ADAPTIVE_END] =
1839                         (pf->limit[PF_LIMIT_STATES] / 10) * 12;
1840                 pf->timeout_set[PFTM_ADAPTIVE_END] = 1;
1841         }
1842
1843         /* load timeouts */
1844         for (i = 0; i < PFTM_MAX; i++) {
1845                 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i])
1846                         continue;
1847                 if (pfctl_load_timeout(pf, i, pf->timeout[i]))
1848                         error = 1;
1849         }
1850
1851         /* load debug */
1852         if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set)
1853                 if (pfctl_load_debug(pf, pf->debug))
1854                         error = 1;
1855
1856         /* load logif */
1857         if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set)
1858                 if (pfctl_load_logif(pf, pf->ifname))
1859                         error = 1;
1860
1861         /* load hostid */
1862         if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set)
1863                 if (pfctl_load_hostid(pf, pf->hostid))
1864                         error = 1;
1865
1866         /* load keepcounters */
1867         if (pfctl_set_keepcounters(pf->dev, pf->keep_counters))
1868                 error = 1;
1869
1870         /* load syncookies settings */
1871         if (pfctl_load_syncookies(pf, pf->syncookies))
1872                 error = 1;
1873
1874         return (error);
1875 }
1876
1877 int
1878 pfctl_set_limit(struct pfctl *pf, const char *opt, unsigned int limit)
1879 {
1880         int i;
1881
1882
1883         for (i = 0; pf_limits[i].name; i++) {
1884                 if (strcasecmp(opt, pf_limits[i].name) == 0) {
1885                         pf->limit[pf_limits[i].index] = limit;
1886                         pf->limit_set[pf_limits[i].index] = 1;
1887                         break;
1888                 }
1889         }
1890         if (pf_limits[i].name == NULL) {
1891                 warnx("Bad pool name.");
1892                 return (1);
1893         }
1894
1895         if (pf->opts & PF_OPT_VERBOSE)
1896                 printf("set limit %s %d\n", opt, limit);
1897
1898         return (0);
1899 }
1900
1901 int
1902 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit)
1903 {
1904         struct pfioc_limit pl;
1905
1906         memset(&pl, 0, sizeof(pl));
1907         pl.index = index;
1908         pl.limit = limit;
1909         if (ioctl(pf->dev, DIOCSETLIMIT, &pl)) {
1910                 if (errno == EBUSY)
1911                         warnx("Current pool size exceeds requested hard limit");
1912                 else
1913                         warnx("DIOCSETLIMIT");
1914                 return (1);
1915         }
1916         return (0);
1917 }
1918
1919 int
1920 pfctl_set_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet)
1921 {
1922         int i;
1923
1924         if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1925                 return (0);
1926
1927         for (i = 0; pf_timeouts[i].name; i++) {
1928                 if (strcasecmp(opt, pf_timeouts[i].name) == 0) {
1929                         pf->timeout[pf_timeouts[i].timeout] = seconds;
1930                         pf->timeout_set[pf_timeouts[i].timeout] = 1;
1931                         break;
1932                 }
1933         }
1934
1935         if (pf_timeouts[i].name == NULL) {
1936                 warnx("Bad timeout name.");
1937                 return (1);
1938         }
1939
1940
1941         if (pf->opts & PF_OPT_VERBOSE && ! quiet)
1942                 printf("set timeout %s %d\n", opt, seconds);
1943
1944         return (0);
1945 }
1946
1947 int
1948 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds)
1949 {
1950         struct pfioc_tm pt;
1951
1952         memset(&pt, 0, sizeof(pt));
1953         pt.timeout = timeout;
1954         pt.seconds = seconds;
1955         if (ioctl(pf->dev, DIOCSETTIMEOUT, &pt)) {
1956                 warnx("DIOCSETTIMEOUT");
1957                 return (1);
1958         }
1959         return (0);
1960 }
1961
1962 int
1963 pfctl_set_optimization(struct pfctl *pf, const char *opt)
1964 {
1965         const struct pf_hint *hint;
1966         int i, r;
1967
1968         if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1969                 return (0);
1970
1971         for (i = 0; pf_hints[i].name; i++)
1972                 if (strcasecmp(opt, pf_hints[i].name) == 0)
1973                         break;
1974
1975         hint = pf_hints[i].hint;
1976         if (hint == NULL) {
1977                 warnx("invalid state timeouts optimization");
1978                 return (1);
1979         }
1980
1981         for (i = 0; hint[i].name; i++)
1982                 if ((r = pfctl_set_timeout(pf, hint[i].name,
1983                     hint[i].timeout, 1)))
1984                         return (r);
1985
1986         if (pf->opts & PF_OPT_VERBOSE)
1987                 printf("set optimization %s\n", opt);
1988
1989         return (0);
1990 }
1991
1992 int
1993 pfctl_set_logif(struct pfctl *pf, char *ifname)
1994 {
1995
1996         if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1997                 return (0);
1998
1999         if (!strcmp(ifname, "none")) {
2000                 free(pf->ifname);
2001                 pf->ifname = NULL;
2002         } else {
2003                 pf->ifname = strdup(ifname);
2004                 if (!pf->ifname)
2005                         errx(1, "pfctl_set_logif: strdup");
2006         }
2007         pf->ifname_set = 1;
2008
2009         if (pf->opts & PF_OPT_VERBOSE)
2010                 printf("set loginterface %s\n", ifname);
2011
2012         return (0);
2013 }
2014
2015 int
2016 pfctl_load_logif(struct pfctl *pf, char *ifname)
2017 {
2018         struct pfioc_if pi;
2019
2020         memset(&pi, 0, sizeof(pi));
2021         if (ifname && strlcpy(pi.ifname, ifname,
2022             sizeof(pi.ifname)) >= sizeof(pi.ifname)) {
2023                 warnx("pfctl_load_logif: strlcpy");
2024                 return (1);
2025         }
2026         if (ioctl(pf->dev, DIOCSETSTATUSIF, &pi)) {
2027                 warnx("DIOCSETSTATUSIF");
2028                 return (1);
2029         }
2030         return (0);
2031 }
2032
2033 int
2034 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid)
2035 {
2036         if ((loadopt & PFCTL_FLAG_OPTION) == 0)
2037                 return (0);
2038
2039         HTONL(hostid);
2040
2041         pf->hostid = hostid;
2042         pf->hostid_set = 1;
2043
2044         if (pf->opts & PF_OPT_VERBOSE)
2045                 printf("set hostid 0x%08x\n", ntohl(hostid));
2046
2047         return (0);
2048 }
2049
2050 int
2051 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid)
2052 {
2053         if (ioctl(dev, DIOCSETHOSTID, &hostid)) {
2054                 warnx("DIOCSETHOSTID");
2055                 return (1);
2056         }
2057         return (0);
2058 }
2059
2060 int
2061 pfctl_load_syncookies(struct pfctl *pf, u_int8_t val)
2062 {
2063         struct pfctl_syncookies cookies;
2064
2065         bzero(&cookies, sizeof(cookies));
2066
2067         cookies.mode = val ? PFCTL_SYNCOOKIES_ALWAYS : PFCTL_SYNCOOKIES_NEVER;
2068
2069         if (pfctl_set_syncookies(dev, &cookies)) {
2070                 warnx("DIOCSETSYNCOOKIES");
2071                 return (1);
2072         }
2073         return (0);
2074 }
2075
2076 int
2077 pfctl_set_debug(struct pfctl *pf, char *d)
2078 {
2079         u_int32_t       level;
2080
2081         if ((loadopt & PFCTL_FLAG_OPTION) == 0)
2082                 return (0);
2083
2084         if (!strcmp(d, "none"))
2085                 pf->debug = PF_DEBUG_NONE;
2086         else if (!strcmp(d, "urgent"))
2087                 pf->debug = PF_DEBUG_URGENT;
2088         else if (!strcmp(d, "misc"))
2089                 pf->debug = PF_DEBUG_MISC;
2090         else if (!strcmp(d, "loud"))
2091                 pf->debug = PF_DEBUG_NOISY;
2092         else {
2093                 warnx("unknown debug level \"%s\"", d);
2094                 return (-1);
2095         }
2096
2097         pf->debug_set = 1;
2098         level = pf->debug;
2099
2100         if ((pf->opts & PF_OPT_NOACTION) == 0)
2101                 if (ioctl(dev, DIOCSETDEBUG, &level))
2102                         err(1, "DIOCSETDEBUG");
2103
2104         if (pf->opts & PF_OPT_VERBOSE)
2105                 printf("set debug %s\n", d);
2106
2107         return (0);
2108 }
2109
2110 int
2111 pfctl_load_debug(struct pfctl *pf, unsigned int level)
2112 {
2113         if (ioctl(pf->dev, DIOCSETDEBUG, &level)) {
2114                 warnx("DIOCSETDEBUG");
2115                 return (1);
2116         }
2117         return (0);
2118 }
2119
2120 int
2121 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how)
2122 {
2123         struct pfioc_iface      pi;
2124         struct node_host        *h = NULL, *n = NULL;
2125
2126         if ((loadopt & PFCTL_FLAG_OPTION) == 0)
2127                 return (0);
2128
2129         bzero(&pi, sizeof(pi));
2130
2131         pi.pfiio_flags = flags;
2132
2133         /* Make sure our cache matches the kernel. If we set or clear the flag
2134          * for a group this applies to all members. */
2135         h = ifa_grouplookup(ifname, 0);
2136         for (n = h; n != NULL; n = n->next)
2137                 pfctl_set_interface_flags(pf, n->ifname, flags, how);
2138
2139         if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >=
2140             sizeof(pi.pfiio_name))
2141                 errx(1, "pfctl_set_interface_flags: strlcpy");
2142
2143         if ((pf->opts & PF_OPT_NOACTION) == 0) {
2144                 if (how == 0) {
2145                         if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi))
2146                                 err(1, "DIOCCLRIFFLAG");
2147                 } else {
2148                         if (ioctl(pf->dev, DIOCSETIFFLAG, &pi))
2149                                 err(1, "DIOCSETIFFLAG");
2150                         pfctl_check_skip_ifaces(ifname);
2151                 }
2152         }
2153         return (0);
2154 }
2155
2156 void
2157 pfctl_debug(int dev, u_int32_t level, int opts)
2158 {
2159         if (ioctl(dev, DIOCSETDEBUG, &level))
2160                 err(1, "DIOCSETDEBUG");
2161         if ((opts & PF_OPT_QUIET) == 0) {
2162                 fprintf(stderr, "debug level set to '");
2163                 switch (level) {
2164                 case PF_DEBUG_NONE:
2165                         fprintf(stderr, "none");
2166                         break;
2167                 case PF_DEBUG_URGENT:
2168                         fprintf(stderr, "urgent");
2169                         break;
2170                 case PF_DEBUG_MISC:
2171                         fprintf(stderr, "misc");
2172                         break;
2173                 case PF_DEBUG_NOISY:
2174                         fprintf(stderr, "loud");
2175                         break;
2176                 default:
2177                         fprintf(stderr, "<invalid>");
2178                         break;
2179                 }
2180                 fprintf(stderr, "'\n");
2181         }
2182 }
2183
2184 int
2185 pfctl_test_altqsupport(int dev, int opts)
2186 {
2187         struct pfioc_altq pa;
2188
2189         pa.version = PFIOC_ALTQ_VERSION;
2190         if (ioctl(dev, DIOCGETALTQS, &pa)) {
2191                 if (errno == ENODEV) {
2192                         if (opts & PF_OPT_VERBOSE)
2193                                 fprintf(stderr, "No ALTQ support in kernel\n"
2194                                     "ALTQ related functions disabled\n");
2195                         return (0);
2196                 } else
2197                         err(1, "DIOCGETALTQS");
2198         }
2199         return (1);
2200 }
2201
2202 int
2203 pfctl_show_anchors(int dev, int opts, char *anchorname)
2204 {
2205         struct pfioc_ruleset     pr;
2206         u_int32_t                mnr, nr;
2207
2208         memset(&pr, 0, sizeof(pr));
2209         memcpy(pr.path, anchorname, sizeof(pr.path));
2210         if (ioctl(dev, DIOCGETRULESETS, &pr)) {
2211                 if (errno == EINVAL)
2212                         fprintf(stderr, "Anchor '%s' not found.\n",
2213                             anchorname);
2214                 else
2215                         err(1, "DIOCGETRULESETS");
2216                 return (-1);
2217         }
2218         mnr = pr.nr;
2219         for (nr = 0; nr < mnr; ++nr) {
2220                 char sub[MAXPATHLEN];
2221
2222                 pr.nr = nr;
2223                 if (ioctl(dev, DIOCGETRULESET, &pr))
2224                         err(1, "DIOCGETRULESET");
2225                 if (!strcmp(pr.name, PF_RESERVED_ANCHOR))
2226                         continue;
2227                 sub[0] = 0;
2228                 if (pr.path[0]) {
2229                         strlcat(sub, pr.path, sizeof(sub));
2230                         strlcat(sub, "/", sizeof(sub));
2231                 }
2232                 strlcat(sub, pr.name, sizeof(sub));
2233                 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE))
2234                         printf("  %s\n", sub);
2235                 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub))
2236                         return (-1);
2237         }
2238         return (0);
2239 }
2240
2241 const char *
2242 pfctl_lookup_option(char *cmd, const char * const *list)
2243 {
2244         if (cmd != NULL && *cmd)
2245                 for (; *list; list++)
2246                         if (!strncmp(cmd, *list, strlen(cmd)))
2247                                 return (*list);
2248         return (NULL);
2249 }
2250
2251 int
2252 main(int argc, char *argv[])
2253 {
2254         int      error = 0;
2255         int      ch;
2256         int      mode = O_RDONLY;
2257         int      opts = 0;
2258         int      optimize = PF_OPTIMIZE_BASIC;
2259         char     anchorname[MAXPATHLEN];
2260         char    *path;
2261
2262         if (argc < 2)
2263                 usage();
2264
2265         while ((ch = getopt(argc, argv,
2266             "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) {
2267                 switch (ch) {
2268                 case 'a':
2269                         anchoropt = optarg;
2270                         break;
2271                 case 'd':
2272                         opts |= PF_OPT_DISABLE;
2273                         mode = O_RDWR;
2274                         break;
2275                 case 'D':
2276                         if (pfctl_cmdline_symset(optarg) < 0)
2277                                 warnx("could not parse macro definition %s",
2278                                     optarg);
2279                         break;
2280                 case 'e':
2281                         opts |= PF_OPT_ENABLE;
2282                         mode = O_RDWR;
2283                         break;
2284                 case 'q':
2285                         opts |= PF_OPT_QUIET;
2286                         break;
2287                 case 'F':
2288                         clearopt = pfctl_lookup_option(optarg, clearopt_list);
2289                         if (clearopt == NULL) {
2290                                 warnx("Unknown flush modifier '%s'", optarg);
2291                                 usage();
2292                         }
2293                         mode = O_RDWR;
2294                         break;
2295                 case 'i':
2296                         ifaceopt = optarg;
2297                         break;
2298                 case 'k':
2299                         if (state_killers >= 2) {
2300                                 warnx("can only specify -k twice");
2301                                 usage();
2302                                 /* NOTREACHED */
2303                         }
2304                         state_kill[state_killers++] = optarg;
2305                         mode = O_RDWR;
2306                         break;
2307                 case 'K':
2308                         if (src_node_killers >= 2) {
2309                                 warnx("can only specify -K twice");
2310                                 usage();
2311                                 /* NOTREACHED */
2312                         }
2313                         src_node_kill[src_node_killers++] = optarg;
2314                         mode = O_RDWR;
2315                         break;
2316                 case 'm':
2317                         opts |= PF_OPT_MERGE;
2318                         break;
2319                 case 'M':
2320                         opts |= PF_OPT_KILLMATCH;
2321                         break;
2322                 case 'n':
2323                         opts |= PF_OPT_NOACTION;
2324                         break;
2325                 case 'N':
2326                         loadopt |= PFCTL_FLAG_NAT;
2327                         break;
2328                 case 'r':
2329                         opts |= PF_OPT_USEDNS;
2330                         break;
2331                 case 'f':
2332                         rulesopt = optarg;
2333                         mode = O_RDWR;
2334                         break;
2335                 case 'g':
2336                         opts |= PF_OPT_DEBUG;
2337                         break;
2338                 case 'A':
2339                         loadopt |= PFCTL_FLAG_ALTQ;
2340                         break;
2341                 case 'R':
2342                         loadopt |= PFCTL_FLAG_FILTER;
2343                         break;
2344                 case 'o':
2345                         optiopt = pfctl_lookup_option(optarg, optiopt_list);
2346                         if (optiopt == NULL) {
2347                                 warnx("Unknown optimization '%s'", optarg);
2348                                 usage();
2349                         }
2350                         opts |= PF_OPT_OPTIMIZE;
2351                         break;
2352                 case 'O':
2353                         loadopt |= PFCTL_FLAG_OPTION;
2354                         break;
2355                 case 'p':
2356                         pf_device = optarg;
2357                         break;
2358                 case 'P':
2359                         opts |= PF_OPT_NUMERIC;
2360                         break;
2361                 case 's':
2362                         showopt = pfctl_lookup_option(optarg, showopt_list);
2363                         if (showopt == NULL) {
2364                                 warnx("Unknown show modifier '%s'", optarg);
2365                                 usage();
2366                         }
2367                         break;
2368                 case 't':
2369                         tableopt = optarg;
2370                         break;
2371                 case 'T':
2372                         tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list);
2373                         if (tblcmdopt == NULL) {
2374                                 warnx("Unknown table command '%s'", optarg);
2375                                 usage();
2376                         }
2377                         break;
2378                 case 'v':
2379                         if (opts & PF_OPT_VERBOSE)
2380                                 opts |= PF_OPT_VERBOSE2;
2381                         opts |= PF_OPT_VERBOSE;
2382                         break;
2383                 case 'x':
2384                         debugopt = pfctl_lookup_option(optarg, debugopt_list);
2385                         if (debugopt == NULL) {
2386                                 warnx("Unknown debug level '%s'", optarg);
2387                                 usage();
2388                         }
2389                         mode = O_RDWR;
2390                         break;
2391                 case 'z':
2392                         opts |= PF_OPT_CLRRULECTRS;
2393                         mode = O_RDWR;
2394                         break;
2395                 case 'h':
2396                         /* FALLTHROUGH */
2397                 default:
2398                         usage();
2399                         /* NOTREACHED */
2400                 }
2401         }
2402
2403         if (tblcmdopt != NULL) {
2404                 argc -= optind;
2405                 argv += optind;
2406                 ch = *tblcmdopt;
2407                 if (ch == 'l') {
2408                         loadopt |= PFCTL_FLAG_TABLE;
2409                         tblcmdopt = NULL;
2410                 } else
2411                         mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY;
2412         } else if (argc != optind) {
2413                 warnx("unknown command line argument: %s ...", argv[optind]);
2414                 usage();
2415                 /* NOTREACHED */
2416         }
2417         if (loadopt == 0)
2418                 loadopt = ~0;
2419
2420         if ((path = calloc(1, MAXPATHLEN)) == NULL)
2421                 errx(1, "pfctl: calloc");
2422         memset(anchorname, 0, sizeof(anchorname));
2423         if (anchoropt != NULL) {
2424                 int len = strlen(anchoropt);
2425
2426                 if (anchoropt[len - 1] == '*') {
2427                         if (len >= 2 && anchoropt[len - 2] == '/')
2428                                 anchoropt[len - 2] = '\0';
2429                         else
2430                                 anchoropt[len - 1] = '\0';
2431                         opts |= PF_OPT_RECURSE;
2432                 }
2433                 if (strlcpy(anchorname, anchoropt,
2434                     sizeof(anchorname)) >= sizeof(anchorname))
2435                         errx(1, "anchor name '%s' too long",
2436                             anchoropt);
2437                 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE;
2438         }
2439
2440         if ((opts & PF_OPT_NOACTION) == 0) {
2441                 dev = open(pf_device, mode);
2442                 if (dev == -1)
2443                         err(1, "%s", pf_device);
2444                 altqsupport = pfctl_test_altqsupport(dev, opts);
2445         } else {
2446                 dev = open(pf_device, O_RDONLY);
2447                 if (dev >= 0)
2448                         opts |= PF_OPT_DUMMYACTION;
2449                 /* turn off options */
2450                 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE);
2451                 clearopt = showopt = debugopt = NULL;
2452 #if !defined(ENABLE_ALTQ)
2453                 altqsupport = 0;
2454 #else
2455                 altqsupport = 1;
2456 #endif
2457         }
2458
2459         if (opts & PF_OPT_DISABLE)
2460                 if (pfctl_disable(dev, opts))
2461                         error = 1;
2462
2463         if (showopt != NULL) {
2464                 switch (*showopt) {
2465                 case 'A':
2466                         pfctl_show_anchors(dev, opts, anchorname);
2467                         break;
2468                 case 'r':
2469                         pfctl_load_fingerprints(dev, opts);
2470                         pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES,
2471                             anchorname, 0);
2472                         break;
2473                 case 'l':
2474                         pfctl_load_fingerprints(dev, opts);
2475                         pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS,
2476                             anchorname, 0);
2477                         break;
2478                 case 'n':
2479                         pfctl_load_fingerprints(dev, opts);
2480                         pfctl_show_nat(dev, opts, anchorname);
2481                         break;
2482                 case 'q':
2483                         pfctl_show_altq(dev, ifaceopt, opts,
2484                             opts & PF_OPT_VERBOSE2);
2485                         break;
2486                 case 's':
2487                         pfctl_show_states(dev, ifaceopt, opts);
2488                         break;
2489                 case 'S':
2490                         pfctl_show_src_nodes(dev, opts);
2491                         break;
2492                 case 'i':
2493                         pfctl_show_status(dev, opts);
2494                         break;
2495                 case 'R':
2496                         error = pfctl_show_running(dev);
2497                         break;
2498                 case 't':
2499                         pfctl_show_timeouts(dev, opts);
2500                         break;
2501                 case 'm':
2502                         pfctl_show_limits(dev, opts);
2503                         break;
2504                 case 'a':
2505                         opts |= PF_OPT_SHOWALL;
2506                         pfctl_load_fingerprints(dev, opts);
2507
2508                         pfctl_show_nat(dev, opts, anchorname);
2509                         pfctl_show_rules(dev, path, opts, 0, anchorname, 0);
2510                         pfctl_show_altq(dev, ifaceopt, opts, 0);
2511                         pfctl_show_states(dev, ifaceopt, opts);
2512                         pfctl_show_src_nodes(dev, opts);
2513                         pfctl_show_status(dev, opts);
2514                         pfctl_show_rules(dev, path, opts, 1, anchorname, 0);
2515                         pfctl_show_timeouts(dev, opts);
2516                         pfctl_show_limits(dev, opts);
2517                         pfctl_show_tables(anchorname, opts);
2518                         pfctl_show_fingerprints(opts);
2519                         break;
2520                 case 'T':
2521                         pfctl_show_tables(anchorname, opts);
2522                         break;
2523                 case 'o':
2524                         pfctl_load_fingerprints(dev, opts);
2525                         pfctl_show_fingerprints(opts);
2526                         break;
2527                 case 'I':
2528                         pfctl_show_ifaces(ifaceopt, opts);
2529                         break;
2530                 }
2531         }
2532
2533         if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL)
2534                 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING,
2535                     anchorname, 0);
2536
2537         if (clearopt != NULL) {
2538                 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL)
2539                         errx(1, "anchor names beginning with '_' cannot "
2540                             "be modified from the command line");
2541
2542                 switch (*clearopt) {
2543                 case 'r':
2544                         pfctl_clear_rules(dev, opts, anchorname);
2545                         break;
2546                 case 'n':
2547                         pfctl_clear_nat(dev, opts, anchorname);
2548                         break;
2549                 case 'q':
2550                         pfctl_clear_altq(dev, opts);
2551                         break;
2552                 case 's':
2553                         pfctl_clear_iface_states(dev, ifaceopt, opts);
2554                         break;
2555                 case 'S':
2556                         pfctl_clear_src_nodes(dev, opts);
2557                         break;
2558                 case 'i':
2559                         pfctl_clear_stats(dev, opts);
2560                         break;
2561                 case 'a':
2562                         pfctl_clear_rules(dev, opts, anchorname);
2563                         pfctl_clear_nat(dev, opts, anchorname);
2564                         pfctl_clear_tables(anchorname, opts);
2565                         if (!*anchorname) {
2566                                 pfctl_clear_altq(dev, opts);
2567                                 pfctl_clear_iface_states(dev, ifaceopt, opts);
2568                                 pfctl_clear_src_nodes(dev, opts);
2569                                 pfctl_clear_stats(dev, opts);
2570                                 pfctl_clear_fingerprints(dev, opts);
2571                                 pfctl_clear_interface_flags(dev, opts);
2572                         }
2573                         break;
2574                 case 'o':
2575                         pfctl_clear_fingerprints(dev, opts);
2576                         break;
2577                 case 'T':
2578                         pfctl_clear_tables(anchorname, opts);
2579                         break;
2580                 }
2581         }
2582         if (state_killers) {
2583                 if (!strcmp(state_kill[0], "label"))
2584                         pfctl_label_kill_states(dev, ifaceopt, opts);
2585                 else if (!strcmp(state_kill[0], "id"))
2586                         pfctl_id_kill_states(dev, ifaceopt, opts);
2587                 else if (!strcmp(state_kill[0], "gateway"))
2588                         pfctl_gateway_kill_states(dev, ifaceopt, opts);
2589                 else
2590                         pfctl_net_kill_states(dev, ifaceopt, opts);
2591         }
2592
2593         if (src_node_killers)
2594                 pfctl_kill_src_nodes(dev, ifaceopt, opts);
2595
2596         if (tblcmdopt != NULL) {
2597                 error = pfctl_command_tables(argc, argv, tableopt,
2598                     tblcmdopt, rulesopt, anchorname, opts);
2599                 rulesopt = NULL;
2600         }
2601         if (optiopt != NULL) {
2602                 switch (*optiopt) {
2603                 case 'n':
2604                         optimize = 0;
2605                         break;
2606                 case 'b':
2607                         optimize |= PF_OPTIMIZE_BASIC;
2608                         break;
2609                 case 'o':
2610                 case 'p':
2611                         optimize |= PF_OPTIMIZE_PROFILE;
2612                         break;
2613                 }
2614         }
2615
2616         if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) &&
2617             !anchorname[0] && !(opts & PF_OPT_NOACTION))
2618                 if (pfctl_get_skip_ifaces())
2619                         error = 1;
2620
2621         if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) &&
2622             !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION))
2623                 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE))
2624                         error = 1;
2625
2626         if (rulesopt != NULL) {
2627                 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL)
2628                         errx(1, "anchor names beginning with '_' cannot "
2629                             "be modified from the command line");
2630                 if (pfctl_rules(dev, rulesopt, opts, optimize,
2631                     anchorname, NULL))
2632                         error = 1;
2633                 else if (!(opts & PF_OPT_NOACTION) &&
2634                     (loadopt & PFCTL_FLAG_TABLE))
2635                         warn_namespace_collision(NULL);
2636         }
2637
2638         if (opts & PF_OPT_ENABLE)
2639                 if (pfctl_enable(dev, opts))
2640                         error = 1;
2641
2642         if (debugopt != NULL) {
2643                 switch (*debugopt) {
2644                 case 'n':
2645                         pfctl_debug(dev, PF_DEBUG_NONE, opts);
2646                         break;
2647                 case 'u':
2648                         pfctl_debug(dev, PF_DEBUG_URGENT, opts);
2649                         break;
2650                 case 'm':
2651                         pfctl_debug(dev, PF_DEBUG_MISC, opts);
2652                         break;
2653                 case 'l':
2654                         pfctl_debug(dev, PF_DEBUG_NOISY, opts);
2655                         break;
2656                 }
2657         }
2658
2659         exit(error);
2660 }