sbin/pfctl/pfctl_table.c

   1 /*      $OpenBSD: pfctl_table.c,v 1.67 2008/06/10 20:55:02 mcbride Exp $ */
   2
   3 /*
   4  * Copyright (c) 2002 Cedric Berger
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  *    - Redistributions of source code must retain the above copyright
  12  *      notice, this list of conditions and the following disclaimer.
  13  *    - Redistributions in binary form must reproduce the above
  14  *      copyright notice, this list of conditions and the following
  15  *      disclaimer in the documentation and/or other materials provided
  16  *      with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  21  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  22  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  24  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  26  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  28  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  *
  31  */
  32
  33 #include <sys/cdefs.h>
  34 __FBSDID("$FreeBSD$");
  35
  36 #include <sys/types.h>
  37 #include <sys/ioctl.h>
  38 #include <sys/socket.h>
  39
  40 #include <net/if.h>
  41 #include <net/pfvar.h>
  42 #include <arpa/inet.h>
  43
  44 #include <ctype.h>
  45 #include <err.h>
  46 #include <errno.h>
  47 #include <netdb.h>
  48 #include <stdarg.h>
  49 #include <stdio.h>
  50 #include <stdlib.h>
  51 #include <string.h>
  52 #include <time.h>
  53
  54 #include "pfctl_parser.h"
  55 #include "pfctl.h"
  56
  57 extern void     usage(void);
  58 static int      pfctl_table(int, char *[], char *, const char *, char *,
  59                     const char *, int);
  60 static void     print_table(struct pfr_table *, int, int);
  61 static void     print_tstats(struct pfr_tstats *, int);
  62 static int      load_addr(struct pfr_buffer *, int, char *[], char *, int);
  63 static void     print_addrx(struct pfr_addr *, struct pfr_addr *, int);
  64 static void     print_astats(struct pfr_astats *, int);
  65 static void     radix_perror(void);
  66 static void     xprintf(int, const char *, ...);
  67 static void     print_iface(struct pfi_kif *, int);
  68
  69 static const char       *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = {
  70         { "In/Block:",  "In/Pass:",     "In/XPass:" },
  71         { "Out/Block:", "Out/Pass:",    "Out/XPass:" }
  72 };
  73
  74 static const char       *istats_text[2][2][2] = {
  75         { { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } },
  76         { { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } }
  77 };
  78
  79 #define RVTEST(fct) do {                                \
  80                 if ((!(opts & PF_OPT_NOACTION) ||       \
  81                     (opts & PF_OPT_DUMMYACTION)) &&     \
  82                     (fct)) {                            \
  83                         radix_perror();                 \
  84                         goto _error;                    \
  85                 }                                       \
  86         } while (0)
  87
  88 #define CREATE_TABLE do {                                               \
  89                 table.pfrt_flags |= PFR_TFLAG_PERSIST;                  \
  90                 if ((!(opts & PF_OPT_NOACTION) ||                       \
  91                     (opts & PF_OPT_DUMMYACTION)) &&                     \
  92                     (pfr_add_tables(&table, 1, &nadd, flags)) &&        \
  93                     (errno != EPERM)) {                                 \
  94                         radix_perror();                                 \
  95                         goto _error;                                    \
  96                 }                                                       \
  97                 if (nadd) {                                             \
  98                         warn_namespace_collision(table.pfrt_name);      \
  99                         xprintf(opts, "%d table created", nadd);        \
 100                         if (opts & PF_OPT_NOACTION)                     \
 101                                 return (0);                             \
 102                 }                                                       \
 103                 table.pfrt_flags &= ~PFR_TFLAG_PERSIST;                 \
 104         } while(0)
 105
 106 int
 107 pfctl_clear_tables(const char *anchor, int opts)
 108 {
 109         return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts);
 110 }
 111
 112 int
 113 pfctl_show_tables(const char *anchor, int opts)
 114 {
 115         return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts);
 116 }
 117
 118 int
 119 pfctl_command_tables(int argc, char *argv[], char *tname,
 120     const char *command, char *file, const char *anchor, int opts)
 121 {
 122         if (tname == NULL || command == NULL)
 123                 usage();
 124         return pfctl_table(argc, argv, tname, command, file, anchor, opts);
 125 }
 126
 127 int
 128 pfctl_table(int argc, char *argv[], char *tname, const char *command,
 129     char *file, const char *anchor, int opts)
 130 {
 131         struct pfr_table         table;
 132         struct pfr_buffer        b, b2;
 133         struct pfr_addr         *a, *a2;
 134         int                      nadd = 0, ndel = 0, nchange = 0, nzero = 0;
 135         int                      rv = 0, flags = 0, nmatch = 0;
 136         void                    *p;
 137
 138         if (command == NULL)
 139                 usage();
 140         if (opts & PF_OPT_NOACTION)
 141                 flags |= PFR_FLAG_DUMMY;
 142
 143         bzero(&b, sizeof(b));
 144         bzero(&b2, sizeof(b2));
 145         bzero(&table, sizeof(table));
 146         if (tname != NULL) {
 147                 if (strlen(tname) >= PF_TABLE_NAME_SIZE)
 148                         usage();
 149                 if (strlcpy(table.pfrt_name, tname,
 150                     sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name))
 151                         errx(1, "pfctl_table: strlcpy");
 152         }
 153         if (strlcpy(table.pfrt_anchor, anchor,
 154             sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor))
 155                 errx(1, "pfctl_table: strlcpy");
 156
 157         if (!strcmp(command, "-F")) {
 158                 if (argc || file != NULL)
 159                         usage();
 160                 RVTEST(pfr_clr_tables(&table, &ndel, flags));
 161                 xprintf(opts, "%d tables deleted", ndel);
 162         } else if (!strcmp(command, "-s")) {
 163                 b.pfrb_type = (opts & PF_OPT_VERBOSE2) ?
 164                     PFRB_TSTATS : PFRB_TABLES;
 165                 if (argc || file != NULL)
 166                         usage();
 167                 for (;;) {
 168                         pfr_buf_grow(&b, b.pfrb_size);
 169                         b.pfrb_size = b.pfrb_msize;
 170                         if (opts & PF_OPT_VERBOSE2)
 171                                 RVTEST(pfr_get_tstats(&table,
 172                                     b.pfrb_caddr, &b.pfrb_size, flags));
 173                         else
 174                                 RVTEST(pfr_get_tables(&table,
 175                                     b.pfrb_caddr, &b.pfrb_size, flags));
 176                         if (b.pfrb_size <= b.pfrb_msize)
 177                                 break;
 178                 }
 179
 180                 if ((opts & PF_OPT_SHOWALL) && b.pfrb_size > 0)
 181                         pfctl_print_title("TABLES:");
 182
 183                 PFRB_FOREACH(p, &b)
 184                         if (opts & PF_OPT_VERBOSE2)
 185                                 print_tstats(p, opts & PF_OPT_DEBUG);
 186                         else
 187                                 print_table(p, opts & PF_OPT_VERBOSE,
 188                                     opts & PF_OPT_DEBUG);
 189         } else if (!strcmp(command, "kill")) {
 190                 if (argc || file != NULL)
 191                         usage();
 192                 RVTEST(pfr_del_tables(&table, 1, &ndel, flags));
 193                 xprintf(opts, "%d table deleted", ndel);
 194         } else if (!strcmp(command, "flush")) {
 195                 if (argc || file != NULL)
 196                         usage();
 197                 RVTEST(pfr_clr_addrs(&table, &ndel, flags));
 198                 xprintf(opts, "%d addresses deleted", ndel);
 199         } else if (!strcmp(command, "add")) {
 200                 b.pfrb_type = PFRB_ADDRS;
 201                 if (load_addr(&b, argc, argv, file, 0))
 202                         goto _error;
 203                 CREATE_TABLE;
 204                 if (opts & PF_OPT_VERBOSE)
 205                         flags |= PFR_FLAG_FEEDBACK;
 206                 RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size,
 207                     &nadd, flags));
 208                 xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size);
 209                 if (opts & PF_OPT_VERBOSE)
 210                         PFRB_FOREACH(a, &b)
 211                                 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
 212                                         print_addrx(a, NULL,
 213                                             opts & PF_OPT_USEDNS);
 214         } else if (!strcmp(command, "delete")) {
 215                 b.pfrb_type = PFRB_ADDRS;
 216                 if (load_addr(&b, argc, argv, file, 0))
 217                         goto _error;
 218                 if (opts & PF_OPT_VERBOSE)
 219                         flags |= PFR_FLAG_FEEDBACK;
 220                 RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size,
 221                     &ndel, flags));
 222                 xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size);
 223                 if (opts & PF_OPT_VERBOSE)
 224                         PFRB_FOREACH(a, &b)
 225                                 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
 226                                         print_addrx(a, NULL,
 227                                             opts & PF_OPT_USEDNS);
 228         } else if (!strcmp(command, "replace")) {
 229                 b.pfrb_type = PFRB_ADDRS;
 230                 if (load_addr(&b, argc, argv, file, 0))
 231                         goto _error;
 232                 CREATE_TABLE;
 233                 if (opts & PF_OPT_VERBOSE)
 234                         flags |= PFR_FLAG_FEEDBACK;
 235                 for (;;) {
 236                         int sz2 = b.pfrb_msize;
 237
 238                         RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size,
 239                             &sz2, &nadd, &ndel, &nchange, flags));
 240                         if (sz2 <= b.pfrb_msize) {
 241                                 b.pfrb_size = sz2;
 242                                 break;
 243                         } else
 244                                 pfr_buf_grow(&b, sz2);
 245                 }
 246                 if (nadd)
 247                         xprintf(opts, "%d addresses added", nadd);
 248                 if (ndel)
 249                         xprintf(opts, "%d addresses deleted", ndel);
 250                 if (nchange)
 251                         xprintf(opts, "%d addresses changed", nchange);
 252                 if (!nadd && !ndel && !nchange)
 253                         xprintf(opts, "no changes");
 254                 if (opts & PF_OPT_VERBOSE)
 255                         PFRB_FOREACH(a, &b)
 256                                 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
 257                                         print_addrx(a, NULL,
 258                                             opts & PF_OPT_USEDNS);
 259         } else if (!strcmp(command, "expire")) {
 260                 const char              *errstr;
 261                 u_int                    lifetime;
 262
 263                 b.pfrb_type = PFRB_ASTATS;
 264                 b2.pfrb_type = PFRB_ADDRS;
 265                 if (argc != 1 || file != NULL)
 266                         usage();
 267                 lifetime = strtonum(*argv, 0, UINT_MAX, &errstr);
 268                 if (errstr)
 269                         errx(1, "expiry time: %s", errstr);
 270                 for (;;) {
 271                         pfr_buf_grow(&b, b.pfrb_size);
 272                         b.pfrb_size = b.pfrb_msize;
 273                         RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
 274                             &b.pfrb_size, flags));
 275                         if (b.pfrb_size <= b.pfrb_msize)
 276                                 break;
 277                 }
 278                 PFRB_FOREACH(p, &b) {
 279                         ((struct pfr_astats *)p)->pfras_a.pfra_fback = 0;
 280                         if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero >
 281                             lifetime)
 282                                 if (pfr_buf_add(&b2,
 283                                     &((struct pfr_astats *)p)->pfras_a))
 284                                         err(1, "duplicate buffer");
 285                 }
 286
 287                 if (opts & PF_OPT_VERBOSE)
 288                         flags |= PFR_FLAG_FEEDBACK;
 289                 RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size,
 290                     &ndel, flags));
 291                 xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size);
 292                 if (opts & PF_OPT_VERBOSE)
 293                         PFRB_FOREACH(a, &b2)
 294                                 if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
 295                                         print_addrx(a, NULL,
 296                                             opts & PF_OPT_USEDNS);
 297         } else if (!strcmp(command, "show")) {
 298                 b.pfrb_type = (opts & PF_OPT_VERBOSE) ?
 299                         PFRB_ASTATS : PFRB_ADDRS;
 300                 if (argc || file != NULL)
 301                         usage();
 302                 for (;;) {
 303                         pfr_buf_grow(&b, b.pfrb_size);
 304                         b.pfrb_size = b.pfrb_msize;
 305                         if (opts & PF_OPT_VERBOSE)
 306                                 RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
 307                                     &b.pfrb_size, flags));
 308                         else
 309                                 RVTEST(pfr_get_addrs(&table, b.pfrb_caddr,
 310                                     &b.pfrb_size, flags));
 311                         if (b.pfrb_size <= b.pfrb_msize)
 312                                 break;
 313                 }
 314                 PFRB_FOREACH(p, &b)
 315                         if (opts & PF_OPT_VERBOSE)
 316                                 print_astats(p, opts & PF_OPT_USEDNS);
 317                         else
 318                                 print_addrx(p, NULL, opts & PF_OPT_USEDNS);
 319         } else if (!strcmp(command, "test")) {
 320                 b.pfrb_type = PFRB_ADDRS;
 321                 b2.pfrb_type = PFRB_ADDRS;
 322
 323                 if (load_addr(&b, argc, argv, file, 1))
 324                         goto _error;
 325                 if (opts & PF_OPT_VERBOSE2) {
 326                         flags |= PFR_FLAG_REPLACE;
 327                         PFRB_FOREACH(a, &b)
 328                                 if (pfr_buf_add(&b2, a))
 329                                         err(1, "duplicate buffer");
 330                 }
 331                 RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size,
 332                     &nmatch, flags));
 333                 xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size);
 334                 if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2))
 335                         PFRB_FOREACH(a, &b)
 336                                 if (a->pfra_fback == PFR_FB_MATCH)
 337                                         print_addrx(a, NULL,
 338                                             opts & PF_OPT_USEDNS);
 339                 if (opts & PF_OPT_VERBOSE2) {
 340                         a2 = NULL;
 341                         PFRB_FOREACH(a, &b) {
 342                                 a2 = pfr_buf_next(&b2, a2);
 343                                 print_addrx(a2, a, opts & PF_OPT_USEDNS);
 344                         }
 345                 }
 346                 if (nmatch < b.pfrb_size)
 347                         rv = 2;
 348         } else if (!strcmp(command, "zero")) {
 349                 if (argc || file != NULL)
 350                         usage();
 351                 flags |= PFR_FLAG_ADDRSTOO;
 352                 RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags));
 353                 xprintf(opts, "%d table/stats cleared", nzero);
 354         } else
 355                 warnx("pfctl_table: unknown command '%s'", command);
 356         goto _cleanup;
 357
 358 _error:
 359         rv = -1;
 360 _cleanup:
 361         pfr_buf_clear(&b);
 362         pfr_buf_clear(&b2);
 363         return (rv);
 364 }
 365
 366 void
 367 print_table(struct pfr_table *ta, int verbose, int debug)
 368 {
 369         if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE))
 370                 return;
 371         if (verbose) {
 372                 printf("%c%c%c%c%c%c%c\t%s",
 373                     (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-',
 374                     (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-',
 375                     (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-',
 376                     (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-',
 377                     (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-',
 378                     (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-',
 379                     (ta->pfrt_flags & PFR_TFLAG_COUNTERS) ? 'C' : '-',
 380                     ta->pfrt_name);
 381                 if (ta->pfrt_anchor[0])
 382                         printf("\t%s", ta->pfrt_anchor);
 383                 puts("");
 384         } else
 385                 puts(ta->pfrt_name);
 386 }
 387
 388 void
 389 print_tstats(struct pfr_tstats *ts, int debug)
 390 {
 391         time_t  time = ts->pfrts_tzero;
 392         int     dir, op;
 393
 394         if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE))
 395                 return;
 396         print_table(&ts->pfrts_t, 1, debug);
 397         printf("\tAddresses:   %d\n", ts->pfrts_cnt);
 398         printf("\tCleared:     %s", ctime(&time));
 399         printf("\tReferences:  [ Anchors: %-18d Rules: %-18d ]\n",
 400             ts->pfrts_refcnt[PFR_REFCNT_ANCHOR],
 401             ts->pfrts_refcnt[PFR_REFCNT_RULE]);
 402         printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n",
 403             (unsigned long long)ts->pfrts_nomatch,
 404             (unsigned long long)ts->pfrts_match);
 405         for (dir = 0; dir < PFR_DIR_MAX; dir++)
 406                 for (op = 0; op < PFR_OP_TABLE_MAX; op++)
 407                         printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
 408                             stats_text[dir][op],
 409                             (unsigned long long)ts->pfrts_packets[dir][op],
 410                             (unsigned long long)ts->pfrts_bytes[dir][op]);
 411 }
 412
 413 int
 414 load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file,
 415     int nonetwork)
 416 {
 417         while (argc--)
 418                 if (append_addr(b, *argv++, nonetwork)) {
 419                         if (errno)
 420                                 warn("cannot decode %s", argv[-1]);
 421                         return (-1);
 422                 }
 423         if (pfr_buf_load(b, file, nonetwork, append_addr)) {
 424                 warn("cannot load %s", file);
 425                 return (-1);
 426         }
 427         return (0);
 428 }
 429
 430 void
 431 print_addrx(struct pfr_addr *ad, struct pfr_addr *rad, int dns)
 432 {
 433         char            ch, buf[256] = "{error}";
 434         char            fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y', ' ' };
 435         unsigned int    fback, hostnet;
 436
 437         fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback;
 438         ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?';
 439         hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32;
 440         inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf));
 441         printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf);
 442         if (ad->pfra_net < hostnet)
 443                 printf("/%d", ad->pfra_net);
 444         if (rad != NULL && fback != PFR_FB_NONE) {
 445                 if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf))
 446                         errx(1, "print_addrx: strlcpy");
 447                 inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf));
 448                 printf("\t%c%s", (rad->pfra_not?'!':' '), buf);
 449                 if (rad->pfra_net < hostnet)
 450                         printf("/%d", rad->pfra_net);
 451         }
 452         if (rad != NULL && fback == PFR_FB_NONE)
 453                 printf("\t nomatch");
 454         if (dns && ad->pfra_net == hostnet) {
 455                 char host[NI_MAXHOST];
 456                 union sockaddr_union sa;
 457
 458                 strlcpy(host, "?", sizeof(host));
 459                 bzero(&sa, sizeof(sa));
 460                 sa.sa.sa_family = ad->pfra_af;
 461                 if (sa.sa.sa_family == AF_INET) {
 462                         sa.sa.sa_len = sizeof(sa.sin);
 463                         sa.sin.sin_addr = ad->pfra_ip4addr;
 464                 } else {
 465                         sa.sa.sa_len = sizeof(sa.sin6);
 466                         sa.sin6.sin6_addr = ad->pfra_ip6addr;
 467                 }
 468                 if (getnameinfo(&sa.sa, sa.sa.sa_len, host, sizeof(host),
 469                     NULL, 0, NI_NAMEREQD) == 0)
 470                         printf("\t(%s)", host);
 471         }
 472         printf("\n");
 473 }
 474
 475 void
 476 print_astats(struct pfr_astats *as, int dns)
 477 {
 478         time_t  time = as->pfras_tzero;
 479         int     dir, op;
 480
 481         print_addrx(&as->pfras_a, NULL, dns);
 482         printf("\tCleared:     %s", ctime(&time));
 483         if (as->pfras_a.pfra_fback == PFR_FB_NOCOUNT)
 484                 return;
 485         for (dir = 0; dir < PFR_DIR_MAX; dir++)
 486                 for (op = 0; op < PFR_OP_ADDR_MAX; op++)
 487                         printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
 488                             stats_text[dir][op],
 489                             (unsigned long long)as->pfras_packets[dir][op],
 490                             (unsigned long long)as->pfras_bytes[dir][op]);
 491 }
 492
 493 void
 494 radix_perror(void)
 495 {
 496         extern char *__progname;
 497         fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno));
 498 }
 499
 500 int
 501 pfctl_define_table(char *name, int flags, int addrs, const char *anchor,
 502     struct pfr_buffer *ab, u_int32_t ticket)
 503 {
 504         struct pfr_table tbl;
 505
 506         bzero(&tbl, sizeof(tbl));
 507         if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >=
 508             sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor,
 509             sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor))
 510                 errx(1, "pfctl_define_table: strlcpy");
 511         tbl.pfrt_flags = flags;
 512
 513         return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL,
 514             NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0);
 515 }
 516
 517 void
 518 warn_namespace_collision(const char *filter)
 519 {
 520         struct pfr_buffer b;
 521         struct pfr_table *t;
 522         const char *name = NULL, *lastcoll;
 523         int coll = 0;
 524
 525         bzero(&b, sizeof(b));
 526         b.pfrb_type = PFRB_TABLES;
 527         for (;;) {
 528                 pfr_buf_grow(&b, b.pfrb_size);
 529                 b.pfrb_size = b.pfrb_msize;
 530                 if (pfr_get_tables(NULL, b.pfrb_caddr,
 531                     &b.pfrb_size, PFR_FLAG_ALLRSETS))
 532                         err(1, "pfr_get_tables");
 533                 if (b.pfrb_size <= b.pfrb_msize)
 534                         break;
 535         }
 536         PFRB_FOREACH(t, &b) {
 537                 if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE))
 538                         continue;
 539                 if (filter != NULL && strcmp(filter, t->pfrt_name))
 540                         continue;
 541                 if (!t->pfrt_anchor[0])
 542                         name = t->pfrt_name;
 543                 else if (name != NULL && !strcmp(name, t->pfrt_name)) {
 544                         coll++;
 545                         lastcoll = name;
 546                         name = NULL;
 547                 }
 548         }
 549         if (coll == 1)
 550                 warnx("warning: namespace collision with <%s> global table.",
 551                     lastcoll);
 552         else if (coll > 1)
 553                 warnx("warning: namespace collisions with %d global tables.",
 554                     coll);
 555         pfr_buf_clear(&b);
 556 }
 557
 558 void
 559 xprintf(int opts, const char *fmt, ...)
 560 {
 561         va_list args;
 562
 563         if (opts & PF_OPT_QUIET)
 564                 return;
 565
 566         va_start(args, fmt);
 567         vfprintf(stderr, fmt, args);
 568         va_end(args);
 569
 570         if (opts & PF_OPT_DUMMYACTION)
 571                 fprintf(stderr, " (dummy).\n");
 572         else if (opts & PF_OPT_NOACTION)
 573                 fprintf(stderr, " (syntax only).\n");
 574         else
 575                 fprintf(stderr, ".\n");
 576 }
 577
 578
 579 /* interface stuff */
 580
 581 int
 582 pfctl_show_ifaces(const char *filter, int opts)
 583 {
 584         struct pfr_buffer        b;
 585         struct pfi_kif          *p;
 586         int                      i = 0;
 587
 588         bzero(&b, sizeof(b));
 589         b.pfrb_type = PFRB_IFACES;
 590         for (;;) {
 591                 pfr_buf_grow(&b, b.pfrb_size);
 592                 b.pfrb_size = b.pfrb_msize;
 593                 if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) {
 594                         radix_perror();
 595                         return (1);
 596                 }
 597                 if (b.pfrb_size <= b.pfrb_msize)
 598                         break;
 599                 i++;
 600         }
 601         if (opts & PF_OPT_SHOWALL)
 602                 pfctl_print_title("INTERFACES:");
 603         PFRB_FOREACH(p, &b)
 604                 print_iface(p, opts);
 605         return (0);
 606 }
 607
 608 void
 609 print_iface(struct pfi_kif *p, int opts)
 610 {
 611         time_t  tzero = p->pfik_tzero;
 612         int     i, af, dir, act;
 613
 614         printf("%s", p->pfik_name);
 615         if (opts & PF_OPT_VERBOSE) {
 616                 if (p->pfik_flags & PFI_IFLAG_SKIP)
 617                         printf(" (skip)");
 618         }
 619         printf("\n");
 620
 621         if (!(opts & PF_OPT_VERBOSE2))
 622                 return;
 623         printf("\tCleared:     %s", ctime(&tzero));
 624         printf("\tReferences:  %-18d\n", p->pfik_rulerefs);
 625         for (i = 0; i < 8; i++) {
 626                 af = (i>>2) & 1;
 627                 dir = (i>>1) &1;
 628                 act = i & 1;
 629                 printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
 630                     istats_text[af][dir][act],
 631                     (unsigned long long)p->pfik_packets[af][dir][act],
 632                     (unsigned long long)p->pfik_bytes[af][dir][act]);
 633         }
 634 }