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pfctl_table.c

/*    $OpenBSD: pfctl_table.c,v 1.66 2007/03/01 17:20:54 deraadt Exp $ */

/*
 * Copyright (c) 2002 Cedric Berger
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *    - Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    - Redistributions in binary form must reproduce the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer in the documentation and/or other materials provided
 *      with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/contrib/pf/pfctl/pfctl_table.c,v 1.8.6.1 2008/11/25 02:59:29 kensmith Exp $");

#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>

#include <net/if.h>
#include <net/pfvar.h>
#include <arpa/inet.h>

#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <netdb.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#include "pfctl_parser.h"
#include "pfctl.h"

extern void usage(void);
static int  pfctl_table(int, char *[], char *, const char *, char *,
                const char *, int);
static void print_table(struct pfr_table *, int, int);
static void print_tstats(struct pfr_tstats *, int);
static int  load_addr(struct pfr_buffer *, int, char *[], char *, int);
static void print_addrx(struct pfr_addr *, struct pfr_addr *, int);
static void print_astats(struct pfr_astats *, int);
static void radix_perror(void);
static void xprintf(int, const char *, ...);
static void print_iface(struct pfi_kif *, int);

static const char *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = {
      { "In/Block:",    "In/Pass:", "In/XPass:" },
      { "Out/Block:",   "Out/Pass:",      "Out/XPass:" }
};

static const char *istats_text[2][2][2] = {
      { { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } },
      { { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } }
};

#define RVTEST(fct) do {                        \
            if ((!(opts & PF_OPT_NOACTION) ||   \
                (opts & PF_OPT_DUMMYACTION)) && \
                (fct)) {                        \
                  radix_perror();               \
                  goto _error;                  \
            }                             \
      } while (0)

#define CREATE_TABLE do {                                   \
            table.pfrt_flags |= PFR_TFLAG_PERSIST;                \
            if ((!(opts & PF_OPT_NOACTION) ||               \
                (opts & PF_OPT_DUMMYACTION)) &&             \
                (pfr_add_tables(&table, 1, &nadd, flags)) &&      \
                (errno != EPERM)) {                         \
                  radix_perror();                           \
                  goto _error;                              \
            }                                         \
            if (nadd) {                               \
                  warn_namespace_collision(table.pfrt_name);      \
                  xprintf(opts, "%d table created", nadd);  \
                  if (opts & PF_OPT_NOACTION)               \
                        return (0);                   \
            }                                         \
            table.pfrt_flags &= ~PFR_TFLAG_PERSIST;               \
      } while(0)

int
pfctl_clear_tables(const char *anchor, int opts)
{
      return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts);
}

int
pfctl_show_tables(const char *anchor, int opts)
{
      return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts);
}

int
pfctl_command_tables(int argc, char *argv[], char *tname,
    const char *command, char *file, const char *anchor, int opts)
{
      if (tname == NULL || command == NULL)
            usage();
      return pfctl_table(argc, argv, tname, command, file, anchor, opts);
}

int
pfctl_table(int argc, char *argv[], char *tname, const char *command,
    char *file, const char *anchor, int opts)
{
      struct pfr_table   table;
      struct pfr_buffer  b, b2;
      struct pfr_addr         *a, *a2;
      int                nadd = 0, ndel = 0, nchange = 0, nzero = 0;
      int                rv = 0, flags = 0, nmatch = 0;
      void              *p;

      if (command == NULL)
            usage();
      if (opts & PF_OPT_NOACTION)
            flags |= PFR_FLAG_DUMMY;

      bzero(&b, sizeof(b));
      bzero(&b2, sizeof(b2));
      bzero(&table, sizeof(table));
      if (tname != NULL) {
            if (strlen(tname) >= PF_TABLE_NAME_SIZE)
                  usage();
            if (strlcpy(table.pfrt_name, tname,
                sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name))
                  errx(1, "pfctl_table: strlcpy");
      }
      if (strlcpy(table.pfrt_anchor, anchor,
          sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor))
            errx(1, "pfctl_table: strlcpy");

      if (!strcmp(command, "-F")) {
            if (argc || file != NULL)
                  usage();
            RVTEST(pfr_clr_tables(&table, &ndel, flags));
            xprintf(opts, "%d tables deleted", ndel);
      } else if (!strcmp(command, "-s")) {
            b.pfrb_type = (opts & PF_OPT_VERBOSE2) ?
                PFRB_TSTATS : PFRB_TABLES;
            if (argc || file != NULL)
                  usage();
            for (;;) {
                  pfr_buf_grow(&b, b.pfrb_size);
                  b.pfrb_size = b.pfrb_msize;
                  if (opts & PF_OPT_VERBOSE2)
                        RVTEST(pfr_get_tstats(&table,
                            b.pfrb_caddr, &b.pfrb_size, flags));
                  else
                        RVTEST(pfr_get_tables(&table,
                            b.pfrb_caddr, &b.pfrb_size, flags));
                  if (b.pfrb_size <= b.pfrb_msize)
                        break;
            }

            if ((opts & PF_OPT_SHOWALL) && b.pfrb_size > 0)
                  pfctl_print_title("TABLES:");

            PFRB_FOREACH(p, &b)
                  if (opts & PF_OPT_VERBOSE2)
                        print_tstats(p, opts & PF_OPT_DEBUG);
                  else
                        print_table(p, opts & PF_OPT_VERBOSE,
                            opts & PF_OPT_DEBUG);
      } else if (!strcmp(command, "kill")) {
            if (argc || file != NULL)
                  usage();
            RVTEST(pfr_del_tables(&table, 1, &ndel, flags));
            xprintf(opts, "%d table deleted", ndel);
      } else if (!strcmp(command, "flush")) {
            if (argc || file != NULL)
                  usage();
            RVTEST(pfr_clr_addrs(&table, &ndel, flags));
            xprintf(opts, "%d addresses deleted", ndel);
      } else if (!strcmp(command, "add")) {
            b.pfrb_type = PFRB_ADDRS;
            if (load_addr(&b, argc, argv, file, 0))
                  goto _error;
            CREATE_TABLE;
            if (opts & PF_OPT_VERBOSE)
                  flags |= PFR_FLAG_FEEDBACK;
            RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size,
                &nadd, flags));
            xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size);
            if (opts & PF_OPT_VERBOSE)
                  PFRB_FOREACH(a, &b)
                        if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
                              print_addrx(a, NULL,
                                  opts & PF_OPT_USEDNS);
      } else if (!strcmp(command, "delete")) {
            b.pfrb_type = PFRB_ADDRS;
            if (load_addr(&b, argc, argv, file, 0))
                  goto _error;
            if (opts & PF_OPT_VERBOSE)
                  flags |= PFR_FLAG_FEEDBACK;
            RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size,
                &ndel, flags));
            xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size);
            if (opts & PF_OPT_VERBOSE)
                  PFRB_FOREACH(a, &b)
                        if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
                              print_addrx(a, NULL,
                                  opts & PF_OPT_USEDNS);
      } else if (!strcmp(command, "replace")) {
            b.pfrb_type = PFRB_ADDRS;
            if (load_addr(&b, argc, argv, file, 0))
                  goto _error;
            CREATE_TABLE;
            if (opts & PF_OPT_VERBOSE)
                  flags |= PFR_FLAG_FEEDBACK;
            for (;;) {
                  int sz2 = b.pfrb_msize;

                  RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size,
                      &sz2, &nadd, &ndel, &nchange, flags));
                  if (sz2 <= b.pfrb_msize) {
                        b.pfrb_size = sz2;
                        break;
                  } else
                        pfr_buf_grow(&b, sz2);
            }
            if (nadd)
                  xprintf(opts, "%d addresses added", nadd);
            if (ndel)
                  xprintf(opts, "%d addresses deleted", ndel);
            if (nchange)
                  xprintf(opts, "%d addresses changed", nchange);
            if (!nadd && !ndel && !nchange)
                  xprintf(opts, "no changes");
            if (opts & PF_OPT_VERBOSE)
                  PFRB_FOREACH(a, &b)
                        if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
                              print_addrx(a, NULL,
                                  opts & PF_OPT_USEDNS);
      } else if (!strcmp(command, "expire")) {
            const char        *errstr;
            u_int              lifetime;

            b.pfrb_type = PFRB_ASTATS;
            b2.pfrb_type = PFRB_ADDRS;
            if (argc != 1 || file != NULL)
                  usage();
            lifetime = strtonum(*argv, 0, UINT_MAX, &errstr);
            if (errstr)
                  errx(1, "expiry time: %s", errstr);
            for (;;) {
                  pfr_buf_grow(&b, b.pfrb_size);
                  b.pfrb_size = b.pfrb_msize;
                  RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
                      &b.pfrb_size, flags));
                  if (b.pfrb_size <= b.pfrb_msize)
                        break;
            }
            PFRB_FOREACH(p, &b)
                  if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero >
                       lifetime)
                        if (pfr_buf_add(&b2,
                            &((struct pfr_astats *)p)->pfras_a))
                              err(1, "duplicate buffer");

            if (opts & PF_OPT_VERBOSE)
                  flags |= PFR_FLAG_FEEDBACK;
            RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size,
                &ndel, flags));
            xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size);
            if (opts & PF_OPT_VERBOSE)
                  PFRB_FOREACH(a, &b2)
                        if ((opts & PF_OPT_VERBOSE2) || a->pfra_fback)
                              print_addrx(a, NULL,
                                  opts & PF_OPT_USEDNS);
      } else if (!strcmp(command, "show")) {
            b.pfrb_type = (opts & PF_OPT_VERBOSE) ?
                  PFRB_ASTATS : PFRB_ADDRS;
            if (argc || file != NULL)
                  usage();
            for (;;) {
                  pfr_buf_grow(&b, b.pfrb_size);
                  b.pfrb_size = b.pfrb_msize;
                  if (opts & PF_OPT_VERBOSE)
                        RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
                            &b.pfrb_size, flags));
                  else
                        RVTEST(pfr_get_addrs(&table, b.pfrb_caddr,
                            &b.pfrb_size, flags));
                  if (b.pfrb_size <= b.pfrb_msize)
                        break;
            }
            PFRB_FOREACH(p, &b)
                  if (opts & PF_OPT_VERBOSE)
                        print_astats(p, opts & PF_OPT_USEDNS);
                  else
                        print_addrx(p, NULL, opts & PF_OPT_USEDNS);
      } else if (!strcmp(command, "test")) {
            b.pfrb_type = PFRB_ADDRS;
            b2.pfrb_type = PFRB_ADDRS;

            if (load_addr(&b, argc, argv, file, 1))
                  goto _error;
            if (opts & PF_OPT_VERBOSE2) {
                  flags |= PFR_FLAG_REPLACE;
                  PFRB_FOREACH(a, &b)
                        if (pfr_buf_add(&b2, a))
                              err(1, "duplicate buffer");
            }
            RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size,
                &nmatch, flags));
            xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size);
            if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2))
                  PFRB_FOREACH(a, &b)
                        if (a->pfra_fback == PFR_FB_MATCH)
                              print_addrx(a, NULL,
                                  opts & PF_OPT_USEDNS);
            if (opts & PF_OPT_VERBOSE2) {
                  a2 = NULL;
                  PFRB_FOREACH(a, &b) {
                        a2 = pfr_buf_next(&b2, a2);
                        print_addrx(a2, a, opts & PF_OPT_USEDNS);
                  }
            }
            if (nmatch < b.pfrb_size)
                  rv = 2;
      } else if (!strcmp(command, "zero")) {
            if (argc || file != NULL)
                  usage();
            flags |= PFR_FLAG_ADDRSTOO;
            RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags));
            xprintf(opts, "%d table/stats cleared", nzero);
      } else
            warnx("pfctl_table: unknown command '%s'", command);
      goto _cleanup;

_error:
      rv = -1;
_cleanup:
      pfr_buf_clear(&b);
      pfr_buf_clear(&b2);
      return (rv);
}

void
print_table(struct pfr_table *ta, int verbose, int debug)
{
      if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE))
            return;
      if (verbose) {
            printf("%c%c%c%c%c%c\t%s",
                (ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-',
                (ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-',
                (ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-',
                (ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-',
                (ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-',
                (ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-',
                ta->pfrt_name);
            if (ta->pfrt_anchor[0])
                  printf("\t%s", ta->pfrt_anchor);
            puts("");
      } else
            puts(ta->pfrt_name);
}

void
print_tstats(struct pfr_tstats *ts, int debug)
{
      time_t      time = ts->pfrts_tzero;
      int   dir, op;

      if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE))
            return;
      print_table(&ts->pfrts_t, 1, debug);
      printf("\tAddresses:   %d\n", ts->pfrts_cnt);
      printf("\tCleared:     %s", ctime(&time));
      printf("\tReferences:  [ Anchors: %-18d Rules: %-18d ]\n",
          ts->pfrts_refcnt[PFR_REFCNT_ANCHOR],
          ts->pfrts_refcnt[PFR_REFCNT_RULE]);
      printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n",
          (unsigned long long)ts->pfrts_nomatch,
          (unsigned long long)ts->pfrts_match);
      for (dir = 0; dir < PFR_DIR_MAX; dir++)
            for (op = 0; op < PFR_OP_TABLE_MAX; op++)
                  printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
                      stats_text[dir][op],
                      (unsigned long long)ts->pfrts_packets[dir][op],
                      (unsigned long long)ts->pfrts_bytes[dir][op]);
}

int
load_addr(struct pfr_buffer *b, int argc, char *argv[], char *file,
    int nonetwork)
{
      while (argc--)
            if (append_addr(b, *argv++, nonetwork)) {
                  if (errno)
                        warn("cannot decode %s", argv[-1]);
                  return (-1);
            }
      if (pfr_buf_load(b, file, nonetwork, append_addr)) {
            warn("cannot load %s", file);
            return (-1);
      }
      return (0);
}

void
print_addrx(struct pfr_addr *ad, struct pfr_addr *rad, int dns)
{
      char        ch, buf[256] = "{error}";
      char        fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y' };
      unsigned int      fback, hostnet;

      fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback;
      ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?';
      hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32;
      inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf));
      printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf);
      if (ad->pfra_net < hostnet)
            printf("/%d", ad->pfra_net);
      if (rad != NULL && fback != PFR_FB_NONE) {
            if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf))
                  errx(1, "print_addrx: strlcpy");
            inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf));
            printf("\t%c%s", (rad->pfra_not?'!':' '), buf);
            if (rad->pfra_net < hostnet)
                  printf("/%d", rad->pfra_net);
      }
      if (rad != NULL && fback == PFR_FB_NONE)
            printf("\t nomatch");
      if (dns && ad->pfra_net == hostnet) {
            char host[NI_MAXHOST];
            union sockaddr_union sa;

            strlcpy(host, "?", sizeof(host));
            bzero(&sa, sizeof(sa));
            sa.sa.sa_family = ad->pfra_af;
            if (sa.sa.sa_family == AF_INET) {
                  sa.sa.sa_len = sizeof(sa.sin);
                  sa.sin.sin_addr = ad->pfra_ip4addr;
            } else {
                  sa.sa.sa_len = sizeof(sa.sin6);
                  sa.sin6.sin6_addr = ad->pfra_ip6addr;
            }
            if (getnameinfo(&sa.sa, sa.sa.sa_len, host, sizeof(host),
                NULL, 0, NI_NAMEREQD) == 0)
                  printf("\t(%s)", host);
      }
      printf("\n");
}

void
print_astats(struct pfr_astats *as, int dns)
{
      time_t      time = as->pfras_tzero;
      int   dir, op;

      print_addrx(&as->pfras_a, NULL, dns);
      printf("\tCleared:     %s", ctime(&time));
      for (dir = 0; dir < PFR_DIR_MAX; dir++)
            for (op = 0; op < PFR_OP_ADDR_MAX; op++)
                  printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
                      stats_text[dir][op],
                      (unsigned long long)as->pfras_packets[dir][op],
                      (unsigned long long)as->pfras_bytes[dir][op]);
}

void
radix_perror(void)
{
      extern char *__progname;
      fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno));
}

int
pfctl_define_table(char *name, int flags, int addrs, const char *anchor,
    struct pfr_buffer *ab, u_int32_t ticket)
{
      struct pfr_table tbl;

      bzero(&tbl, sizeof(tbl));
      if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >=
          sizeof(tbl.pfrt_name) || strlcpy(tbl.pfrt_anchor, anchor,
          sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor))
            errx(1, "pfctl_define_table: strlcpy");
      tbl.pfrt_flags = flags;

      return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL,
          NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0);
}

void
warn_namespace_collision(const char *filter)
{
      struct pfr_buffer b;
      struct pfr_table *t;
      const char *name = NULL, *lastcoll;
      int coll = 0;

      bzero(&b, sizeof(b));
      b.pfrb_type = PFRB_TABLES;
      for (;;) {
            pfr_buf_grow(&b, b.pfrb_size);
            b.pfrb_size = b.pfrb_msize;
            if (pfr_get_tables(NULL, b.pfrb_caddr,
                &b.pfrb_size, PFR_FLAG_ALLRSETS))
                  err(1, "pfr_get_tables");
            if (b.pfrb_size <= b.pfrb_msize)
                  break;
      }
      PFRB_FOREACH(t, &b) {
            if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE))
                  continue;
            if (filter != NULL && strcmp(filter, t->pfrt_name))
                  continue;
            if (!t->pfrt_anchor[0])
                  name = t->pfrt_name;
            else if (name != NULL && !strcmp(name, t->pfrt_name)) {
                  coll++;
                  lastcoll = name;
                  name = NULL;
            }
      }
      if (coll == 1)
            warnx("warning: namespace collision with <%s> global table.",
                lastcoll);
      else if (coll > 1)
            warnx("warning: namespace collisions with %d global tables.",
                coll);
      pfr_buf_clear(&b);
}

void
xprintf(int opts, const char *fmt, ...)
{
      va_list args;

      if (opts & PF_OPT_QUIET)
            return;

      va_start(args, fmt);
      vfprintf(stderr, fmt, args);
      va_end(args);

      if (opts & PF_OPT_DUMMYACTION)
            fprintf(stderr, " (dummy).\n");
      else if (opts & PF_OPT_NOACTION)
            fprintf(stderr, " (syntax only).\n");
      else
            fprintf(stderr, ".\n");
}


/* interface stuff */

int
pfctl_show_ifaces(const char *filter, int opts)
{
      struct pfr_buffer  b;
      struct pfi_kif          *p;
      int                i = 0;

      bzero(&b, sizeof(b));
      b.pfrb_type = PFRB_IFACES;
      for (;;) {
            pfr_buf_grow(&b, b.pfrb_size);
            b.pfrb_size = b.pfrb_msize;
            if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) {
                  radix_perror();
                  return (1);
            }
            if (b.pfrb_size <= b.pfrb_msize)
                  break;
            i++;
      }
      if (opts & PF_OPT_SHOWALL)
            pfctl_print_title("INTERFACES:");
      PFRB_FOREACH(p, &b)
            print_iface(p, opts);
      return (0);
}

void
print_iface(struct pfi_kif *p, int opts)
{
      time_t      tzero = p->pfik_tzero;
      int   i, af, dir, act;

      printf("%s", p->pfik_name);
      if (opts & PF_OPT_VERBOSE) {
            if (p->pfik_flags & PFI_IFLAG_SKIP)
                  printf(" (skip)");
      }
      printf("\n");

      if (!(opts & PF_OPT_VERBOSE2))
            return;
      printf("\tCleared:     %s", ctime(&tzero));
      printf("\tReferences:  [ States:  %-18d Rules: %-18d ]\n",
          p->pfik_states, p->pfik_rules);
      for (i = 0; i < 8; i++) {
            af = (i>>2) & 1;
            dir = (i>>1) &1;
            act = i & 1;
            printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
                istats_text[af][dir][act],
                (unsigned long long)p->pfik_packets[af][dir][act],
                (unsigned long long)p->pfik_bytes[af][dir][act]);
      }
}

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