Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	sbin/pfctl/pfctl_table.c	Lines:	0	332	0.0 %
Date:	2016-12-06	Branches:	0	372	0.0 %


/*	$OpenBSD: pfctl_table.c,v 1.74 2015/01/20 17:19:05 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/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>

#include <netinet/in.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <net/pfvar.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 <limits.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/Match:",	"In/Pass:",	"In/XPass:" },
	{ "Out/Block:",	"Out/Match:",	"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) {
			((struct pfr_astats *)p)->pfras_a.pfra_fback = 0;
			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%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_flags & PFR_TFLAG_COUNTERS) ? 'C' : '-',
		    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)
{
	int	ev = 0;
	while (argc--)
		if ((ev = append_addr(b, *argv++, nonetwork)) == -1) {
			if (errno)
				warn("cannot decode %s", argv[-1]);
			return (-1);
		}
	if (ev == 1) { /* expected further append_addr call */
		warnx("failed to decode %s", argv[-1]);
		return (-1);
	}
	if (pfr_buf_load(b, file, nonetwork)) {
		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];
		struct sockaddr_storage ss;

		strlcpy(host, "?", sizeof(host));
		bzero(&ss, sizeof(ss));
		ss.ss_family = ad->pfra_af;
		if (ss.ss_family == AF_INET) {
			struct sockaddr_in *sin = (struct sockaddr_in *)&ss;

			sin->sin_len = sizeof(*sin);
			sin->sin_addr = ad->pfra_ip4addr;
		} else {
			struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&ss;

			sin6->sin6_len = sizeof(*sin6);
			sin6->sin6_addr = ad->pfra_ip6addr;
		}
		if (getnameinfo((struct sockaddr *)&ss, ss.ss_len, host,
		    sizeof(host), NULL, 0, NI_NAMEREQD) == 0)
			printf("\t(%s)", host);
	}
	if (ad->pfra_ifname[0] != '\0')
		printf("@%s", ad->pfra_ifname);
	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));
	if (as->pfras_a.pfra_states)
		printf("\tActive States:      %d\n", as->pfras_a.pfra_states);
	if (as->pfras_a.pfra_type == PFRKE_COST)
		printf("\tWeight:             %d\n", as->pfras_a.pfra_weight);
	if (as->pfras_a.pfra_ifname[0])
		printf("\tInterface:          %s\n", as->pfras_a.pfra_ifname);
 	if (as->pfras_a.pfra_fback == PFR_FB_NOCOUNT)
		return;
	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]);
	}
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: pfctl_table.c,v 1.74 2015/01/20 17:19:05 deraadt 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/types.h>
34			#include <sys/ioctl.h>
35			#include <sys/socket.h>
36
37			#include <netinet/in.h>
38			#include <arpa/inet.h>
39			#include <net/if.h>
40			#include <net/pfvar.h>
41
42			#include <ctype.h>
43			#include <err.h>
44			#include <errno.h>
45			#include <netdb.h>
46			#include <stdarg.h>
47			#include <stdio.h>
48			#include <stdlib.h>
49			#include <string.h>
50			#include <time.h>
51			#include <limits.h>
52
53			#include "pfctl_parser.h"
54			#include "pfctl.h"
55
56			extern void usage(void);
57			static int pfctl_table(int, char [], char , const char , char ,
58			const char *, int);
59			static void print_table(struct pfr_table *, int, int);
60			static void print_tstats(struct pfr_tstats *, int);
61			static int load_addr(struct pfr_buffer , int, char [], char *, int);
62			static void print_addrx(struct pfr_addr , struct pfr_addr , int);
63			static void print_astats(struct pfr_astats *, int);
64			static void radix_perror(void);
65			static void xprintf(int, const char *, ...);
66			static void print_iface(struct pfi_kif *, int);
67
68			static const char *stats_text[PFR_DIR_MAX][PFR_OP_TABLE_MAX] = {
69			{ "In/Block:", "In/Match:", "In/Pass:", "In/XPass:" },
70			{ "Out/Block:", "Out/Match:", "Out/Pass:", "Out/XPass:" }
71			};
72
73			static const char *istats_text[2][2][2] = {
74			{ { "In4/Pass:", "In4/Block:" }, { "Out4/Pass:", "Out4/Block:" } },
75			{ { "In6/Pass:", "In6/Block:" }, { "Out6/Pass:", "Out6/Block:" } }
76			};
77
78			#define RVTEST(fct) do { \
79			if ((!(opts & PF_OPT_NOACTION) \|\| \
80			(opts & PF_OPT_DUMMYACTION)) && \
81			(fct)) { \
82			radix_perror(); \
83			goto _error; \
84			} \
85			} while (0)
86
87			#define CREATE_TABLE do { \
88			table.pfrt_flags \|= PFR_TFLAG_PERSIST; \
89			if ((!(opts & PF_OPT_NOACTION) \|\| \
90			(opts & PF_OPT_DUMMYACTION)) && \
91			(pfr_add_tables(&table, 1, &nadd, flags)) && \
92			(errno != EPERM)) { \
93			radix_perror(); \
94			goto _error; \
95			} \
96			if (nadd) { \
97			warn_namespace_collision(table.pfrt_name); \
98			xprintf(opts, "%d table created", nadd); \
99			if (opts & PF_OPT_NOACTION) \
100			return (0); \
101			} \
102			table.pfrt_flags &= ~PFR_TFLAG_PERSIST; \
103			} while(0)
104
105			int
106			pfctl_clear_tables(const char *anchor, int opts)
107			{
108			return pfctl_table(0, NULL, NULL, "-F", NULL, anchor, opts);
109			}
110
111			int
112			pfctl_show_tables(const char *anchor, int opts)
113			{
114			return pfctl_table(0, NULL, NULL, "-s", NULL, anchor, opts);
115			}
116
117			int
118			pfctl_command_tables(int argc, char argv[], char tname,
119			const char command, char file, const char *anchor, int opts)
120			{
121			if (tname == NULL \|\| command == NULL)
122			usage();
123			return pfctl_table(argc, argv, tname, command, file, anchor, opts);
124			}
125
126			int
127			pfctl_table(int argc, char argv[], char tname, const char *command,
128			char file, const char anchor, int opts)
129			{
130			struct pfr_table table;
131			struct pfr_buffer b, b2;
132			struct pfr_addr a, a2;
133			int nadd = 0, ndel = 0, nchange = 0, nzero = 0;
134			int rv = 0, flags = 0, nmatch = 0;
135			void *p;
136
137			if (command == NULL)
138			usage();
139			if (opts & PF_OPT_NOACTION)
140			flags \|= PFR_FLAG_DUMMY;
141
142			bzero(&b, sizeof(b));
143			bzero(&b2, sizeof(b2));
144			bzero(&table, sizeof(table));
145			if (tname != NULL) {
146			if (strlen(tname) >= PF_TABLE_NAME_SIZE)
147			usage();
148			if (strlcpy(table.pfrt_name, tname,
149			sizeof(table.pfrt_name)) >= sizeof(table.pfrt_name))
150			errx(1, "pfctl_table: strlcpy");
151			}
152			if (strlcpy(table.pfrt_anchor, anchor,
153			sizeof(table.pfrt_anchor)) >= sizeof(table.pfrt_anchor))
154			errx(1, "pfctl_table: strlcpy");
155
156			if (!strcmp(command, "-F")) {
157			if (argc \|\| file != NULL)
158			usage();
159			RVTEST(pfr_clr_tables(&table, &ndel, flags));
160			xprintf(opts, "%d tables deleted", ndel);
161			} else if (!strcmp(command, "-s")) {
162			b.pfrb_type = (opts & PF_OPT_VERBOSE2) ?
163			PFRB_TSTATS : PFRB_TABLES;
164			if (argc \|\| file != NULL)
165			usage();
166			for (;;) {
167			pfr_buf_grow(&b, b.pfrb_size);
168			b.pfrb_size = b.pfrb_msize;
169			if (opts & PF_OPT_VERBOSE2)
170			RVTEST(pfr_get_tstats(&table,
171			b.pfrb_caddr, &b.pfrb_size, flags));
172			else
173			RVTEST(pfr_get_tables(&table,
174			b.pfrb_caddr, &b.pfrb_size, flags));
175			if (b.pfrb_size <= b.pfrb_msize)
176			break;
177			}
178
179			if ((opts & PF_OPT_SHOWALL) && b.pfrb_size > 0)
180			pfctl_print_title("TABLES:");
181
182			PFRB_FOREACH(p, &b)
183			if (opts & PF_OPT_VERBOSE2)
184			print_tstats(p, opts & PF_OPT_DEBUG);
185			else
186			print_table(p, opts & PF_OPT_VERBOSE,
187			opts & PF_OPT_DEBUG);
188			} else if (!strcmp(command, "kill")) {
189			if (argc \|\| file != NULL)
190			usage();
191			RVTEST(pfr_del_tables(&table, 1, &ndel, flags));
192			xprintf(opts, "%d table deleted", ndel);
193			} else if (!strcmp(command, "flush")) {
194			if (argc \|\| file != NULL)
195			usage();
196			RVTEST(pfr_clr_addrs(&table, &ndel, flags));
197			xprintf(opts, "%d addresses deleted", ndel);
198			} else if (!strcmp(command, "add")) {
199			b.pfrb_type = PFRB_ADDRS;
200			if (load_addr(&b, argc, argv, file, 0))
201			goto _error;
202			CREATE_TABLE;
203			if (opts & PF_OPT_VERBOSE)
204			flags \|= PFR_FLAG_FEEDBACK;
205			RVTEST(pfr_add_addrs(&table, b.pfrb_caddr, b.pfrb_size,
206			&nadd, flags));
207			xprintf(opts, "%d/%d addresses added", nadd, b.pfrb_size);
208			if (opts & PF_OPT_VERBOSE)
209			PFRB_FOREACH(a, &b)
210			if ((opts & PF_OPT_VERBOSE2) \|\| a->pfra_fback)
211			print_addrx(a, NULL,
212			opts & PF_OPT_USEDNS);
213			} else if (!strcmp(command, "delete")) {
214			b.pfrb_type = PFRB_ADDRS;
215			if (load_addr(&b, argc, argv, file, 0))
216			goto _error;
217			if (opts & PF_OPT_VERBOSE)
218			flags \|= PFR_FLAG_FEEDBACK;
219			RVTEST(pfr_del_addrs(&table, b.pfrb_caddr, b.pfrb_size,
220			&ndel, flags));
221			xprintf(opts, "%d/%d addresses deleted", ndel, b.pfrb_size);
222			if (opts & PF_OPT_VERBOSE)
223			PFRB_FOREACH(a, &b)
224			if ((opts & PF_OPT_VERBOSE2) \|\| a->pfra_fback)
225			print_addrx(a, NULL,
226			opts & PF_OPT_USEDNS);
227			} else if (!strcmp(command, "replace")) {
228			b.pfrb_type = PFRB_ADDRS;
229			if (load_addr(&b, argc, argv, file, 0))
230			goto _error;
231			CREATE_TABLE;
232			if (opts & PF_OPT_VERBOSE)
233			flags \|= PFR_FLAG_FEEDBACK;
234			for (;;) {
235			int sz2 = b.pfrb_msize;
236
237			RVTEST(pfr_set_addrs(&table, b.pfrb_caddr, b.pfrb_size,
238			&sz2, &nadd, &ndel, &nchange, flags));
239			if (sz2 <= b.pfrb_msize) {
240			b.pfrb_size = sz2;
241			break;
242			} else
243			pfr_buf_grow(&b, sz2);
244			}
245			if (nadd)
246			xprintf(opts, "%d addresses added", nadd);
247			if (ndel)
248			xprintf(opts, "%d addresses deleted", ndel);
249			if (nchange)
250			xprintf(opts, "%d addresses changed", nchange);
251			if (!nadd && !ndel && !nchange)
252			xprintf(opts, "no changes");
253			if (opts & PF_OPT_VERBOSE)
254			PFRB_FOREACH(a, &b)
255			if ((opts & PF_OPT_VERBOSE2) \|\| a->pfra_fback)
256			print_addrx(a, NULL,
257			opts & PF_OPT_USEDNS);
258			} else if (!strcmp(command, "expire")) {
259			const char *errstr;
260			u_int lifetime;
261
262			b.pfrb_type = PFRB_ASTATS;
263			b2.pfrb_type = PFRB_ADDRS;
264			if (argc != 1 \|\| file != NULL)
265			usage();
266			lifetime = strtonum(*argv, 0, UINT_MAX, &errstr);
267			if (errstr)
268			errx(1, "expiry time: %s", errstr);
269			for (;;) {
270			pfr_buf_grow(&b, b.pfrb_size);
271			b.pfrb_size = b.pfrb_msize;
272			RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
273			&b.pfrb_size, flags));
274			if (b.pfrb_size <= b.pfrb_msize)
275			break;
276			}
277			PFRB_FOREACH(p, &b) {
278			((struct pfr_astats *)p)->pfras_a.pfra_fback = 0;
279			if (time(NULL) - ((struct pfr_astats *)p)->pfras_tzero >
280			lifetime)
281			if (pfr_buf_add(&b2,
282			&((struct pfr_astats *)p)->pfras_a))
283			err(1, "duplicate buffer");
284			}
285
286			if (opts & PF_OPT_VERBOSE)
287			flags \|= PFR_FLAG_FEEDBACK;
288			RVTEST(pfr_del_addrs(&table, b2.pfrb_caddr, b2.pfrb_size,
289			&ndel, flags));
290			xprintf(opts, "%d/%d addresses expired", ndel, b2.pfrb_size);
291			if (opts & PF_OPT_VERBOSE)
292			PFRB_FOREACH(a, &b2)
293			if ((opts & PF_OPT_VERBOSE2) \|\| a->pfra_fback)
294			print_addrx(a, NULL,
295			opts & PF_OPT_USEDNS);
296			} else if (!strcmp(command, "show")) {
297			b.pfrb_type = (opts & PF_OPT_VERBOSE) ?
298			PFRB_ASTATS : PFRB_ADDRS;
299			if (argc \|\| file != NULL)
300			usage();
301			for (;;) {
302			pfr_buf_grow(&b, b.pfrb_size);
303			b.pfrb_size = b.pfrb_msize;
304			if (opts & PF_OPT_VERBOSE)
305			RVTEST(pfr_get_astats(&table, b.pfrb_caddr,
306			&b.pfrb_size, flags));
307			else
308			RVTEST(pfr_get_addrs(&table, b.pfrb_caddr,
309			&b.pfrb_size, flags));
310			if (b.pfrb_size <= b.pfrb_msize)
311			break;
312			}
313			PFRB_FOREACH(p, &b)
314			if (opts & PF_OPT_VERBOSE)
315			print_astats(p, opts & PF_OPT_USEDNS);
316			else
317			print_addrx(p, NULL, opts & PF_OPT_USEDNS);
318			} else if (!strcmp(command, "test")) {
319			b.pfrb_type = PFRB_ADDRS;
320			b2.pfrb_type = PFRB_ADDRS;
321
322			if (load_addr(&b, argc, argv, file, 1))
323			goto _error;
324			if (opts & PF_OPT_VERBOSE2) {
325			flags \|= PFR_FLAG_REPLACE;
326			PFRB_FOREACH(a, &b)
327			if (pfr_buf_add(&b2, a))
328			err(1, "duplicate buffer");
329			}
330			RVTEST(pfr_tst_addrs(&table, b.pfrb_caddr, b.pfrb_size,
331			&nmatch, flags));
332			xprintf(opts, "%d/%d addresses match", nmatch, b.pfrb_size);
333			if ((opts & PF_OPT_VERBOSE) && !(opts & PF_OPT_VERBOSE2))
334			PFRB_FOREACH(a, &b)
335			if (a->pfra_fback == PFR_FB_MATCH)
336			print_addrx(a, NULL,
337			opts & PF_OPT_USEDNS);
338			if (opts & PF_OPT_VERBOSE2) {
339			a2 = NULL;
340			PFRB_FOREACH(a, &b) {
341			a2 = pfr_buf_next(&b2, a2);
342			print_addrx(a2, a, opts & PF_OPT_USEDNS);
343			}
344			}
345			if (nmatch < b.pfrb_size)
346			rv = 2;
347			} else if (!strcmp(command, "zero")) {
348			if (argc \|\| file != NULL)
349			usage();
350			flags \|= PFR_FLAG_ADDRSTOO;
351			RVTEST(pfr_clr_tstats(&table, 1, &nzero, flags));
352			xprintf(opts, "%d table/stats cleared", nzero);
353			} else
354			warnx("pfctl_table: unknown command '%s'", command);
355			goto _cleanup;
356
357			_error:
358			rv = -1;
359			_cleanup:
360			pfr_buf_clear(&b);
361			pfr_buf_clear(&b2);
362			return (rv);
363			}
364
365			void
366			print_table(struct pfr_table *ta, int verbose, int debug)
367			{
368			if (!debug && !(ta->pfrt_flags & PFR_TFLAG_ACTIVE))
369			return;
370			if (verbose) {
371			printf("%c%c%c%c%c%c%c\t%s",
372			(ta->pfrt_flags & PFR_TFLAG_CONST) ? 'c' : '-',
373			(ta->pfrt_flags & PFR_TFLAG_PERSIST) ? 'p' : '-',
374			(ta->pfrt_flags & PFR_TFLAG_ACTIVE) ? 'a' : '-',
375			(ta->pfrt_flags & PFR_TFLAG_INACTIVE) ? 'i' : '-',
376			(ta->pfrt_flags & PFR_TFLAG_REFERENCED) ? 'r' : '-',
377			(ta->pfrt_flags & PFR_TFLAG_REFDANCHOR) ? 'h' : '-',
378			(ta->pfrt_flags & PFR_TFLAG_COUNTERS) ? 'C' : '-',
379			ta->pfrt_name);
380			if (ta->pfrt_anchor[0])
381			printf("\t%s", ta->pfrt_anchor);
382			puts("");
383			} else
384			puts(ta->pfrt_name);
385			}
386
387			void
388			print_tstats(struct pfr_tstats *ts, int debug)
389			{
390			time_t time = ts->pfrts_tzero;
391			int dir, op;
392
393			if (!debug && !(ts->pfrts_flags & PFR_TFLAG_ACTIVE))
394			return;
395			print_table(&ts->pfrts_t, 1, debug);
396			printf("\tAddresses: %d\n", ts->pfrts_cnt);
397			printf("\tCleared: %s", ctime(&time));
398			printf("\tReferences: [ Anchors: %-18d Rules: %-18d ]\n",
399			ts->pfrts_refcnt[PFR_REFCNT_ANCHOR],
400			ts->pfrts_refcnt[PFR_REFCNT_RULE]);
401			printf("\tEvaluations: [ NoMatch: %-18llu Match: %-18llu ]\n",
402			(unsigned long long)ts->pfrts_nomatch,
403			(unsigned long long)ts->pfrts_match);
404			for (dir = 0; dir < PFR_DIR_MAX; dir++)
405			for (op = 0; op < PFR_OP_TABLE_MAX; op++)
406			printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
407			stats_text[dir][op],
408			(unsigned long long)ts->pfrts_packets[dir][op],
409			(unsigned long long)ts->pfrts_bytes[dir][op]);
410			}
411
412			int
413			load_addr(struct pfr_buffer b, int argc, char argv[], char *file,
414			int nonetwork)
415			{
416			int ev = 0;
417			while (argc--)
418			if ((ev = append_addr(b, *argv++, nonetwork)) == -1) {
419			if (errno)
420			warn("cannot decode %s", argv[-1]);
421			return (-1);
422			}
423			if (ev == 1) { /* expected further append_addr call */
424			warnx("failed to decode %s", argv[-1]);
425			return (-1);
426			}
427			if (pfr_buf_load(b, file, nonetwork)) {
428			warn("cannot load %s", file);
429			return (-1);
430			}
431			return (0);
432			}
433
434			void
435			print_addrx(struct pfr_addr ad, struct pfr_addr rad, int dns)
436			{
437			char ch, buf[256] = "{error}";
438			char fb[] = { ' ', 'M', 'A', 'D', 'C', 'Z', 'X', ' ', 'Y', ' ' };
439			unsigned int fback, hostnet;
440
441			fback = (rad != NULL) ? rad->pfra_fback : ad->pfra_fback;
442			ch = (fback < sizeof(fb)/sizeof(*fb)) ? fb[fback] : '?';
443			hostnet = (ad->pfra_af == AF_INET6) ? 128 : 32;
444			inet_ntop(ad->pfra_af, &ad->pfra_u, buf, sizeof(buf));
445			printf("%c %c%s", ch, (ad->pfra_not?'!':' '), buf);
446			if (ad->pfra_net < hostnet)
447			printf("/%d", ad->pfra_net);
448			if (rad != NULL && fback != PFR_FB_NONE) {
449			if (strlcpy(buf, "{error}", sizeof(buf)) >= sizeof(buf))
450			errx(1, "print_addrx: strlcpy");
451			inet_ntop(rad->pfra_af, &rad->pfra_u, buf, sizeof(buf));
452			printf("\t%c%s", (rad->pfra_not?'!':' '), buf);
453			if (rad->pfra_net < hostnet)
454			printf("/%d", rad->pfra_net);
455			}
456			if (rad != NULL && fback == PFR_FB_NONE)
457			printf("\t nomatch");
458			if (dns && ad->pfra_net == hostnet) {
459			char host[NI_MAXHOST];
460			struct sockaddr_storage ss;
461
462			strlcpy(host, "?", sizeof(host));
463			bzero(&ss, sizeof(ss));
464			ss.ss_family = ad->pfra_af;
465			if (ss.ss_family == AF_INET) {
466			struct sockaddr_in sin = (struct sockaddr_in )&ss;
467
468			sin->sin_len = sizeof(*sin);
469			sin->sin_addr = ad->pfra_ip4addr;
470			} else {
471			struct sockaddr_in6 sin6 = (struct sockaddr_in6 )&ss;
472
473			sin6->sin6_len = sizeof(*sin6);
474			sin6->sin6_addr = ad->pfra_ip6addr;
475			}
476			if (getnameinfo((struct sockaddr *)&ss, ss.ss_len, host,
477			sizeof(host), NULL, 0, NI_NAMEREQD) == 0)
478			printf("\t(%s)", host);
479			}
480			if (ad->pfra_ifname[0] != '\0')
481			printf("@%s", ad->pfra_ifname);
482			printf("\n");
483			}
484
485			void
486			print_astats(struct pfr_astats *as, int dns)
487			{
488			time_t time = as->pfras_tzero;
489			int dir, op;
490
491			print_addrx(&as->pfras_a, NULL, dns);
492			printf("\tCleared: %s", ctime(&time));
493			if (as->pfras_a.pfra_states)
494			printf("\tActive States: %d\n", as->pfras_a.pfra_states);
495			if (as->pfras_a.pfra_type == PFRKE_COST)
496			printf("\tWeight: %d\n", as->pfras_a.pfra_weight);
497			if (as->pfras_a.pfra_ifname[0])
498			printf("\tInterface: %s\n", as->pfras_a.pfra_ifname);
499			if (as->pfras_a.pfra_fback == PFR_FB_NOCOUNT)
500			return;
501			for (dir = 0; dir < PFR_DIR_MAX; dir++)
502			for (op = 0; op < PFR_OP_ADDR_MAX; op++)
503			printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
504			stats_text[dir][op],
505			(unsigned long long)as->pfras_packets[dir][op],
506			(unsigned long long)as->pfras_bytes[dir][op]);
507			}
508
509			void
510			radix_perror(void)
511			{
512			extern char *__progname;
513			fprintf(stderr, "%s: %s.\n", __progname, pfr_strerror(errno));
514			}
515
516			int
517			pfctl_define_table(char name, int flags, int addrs, const char anchor,
518			struct pfr_buffer *ab, u_int32_t ticket)
519			{
520			struct pfr_table tbl;
521
522			bzero(&tbl, sizeof(tbl));
523			if (strlcpy(tbl.pfrt_name, name, sizeof(tbl.pfrt_name)) >=
524			sizeof(tbl.pfrt_name) \|\| strlcpy(tbl.pfrt_anchor, anchor,
525			sizeof(tbl.pfrt_anchor)) >= sizeof(tbl.pfrt_anchor))
526			errx(1, "pfctl_define_table: strlcpy");
527			tbl.pfrt_flags = flags;
528
529			return pfr_ina_define(&tbl, ab->pfrb_caddr, ab->pfrb_size, NULL,
530			NULL, ticket, addrs ? PFR_FLAG_ADDRSTOO : 0);
531			}
532
533			void
534			warn_namespace_collision(const char *filter)
535			{
536			struct pfr_buffer b;
537			struct pfr_table *t;
538			const char name = NULL, lastcoll;
539			int coll = 0;
540
541			bzero(&b, sizeof(b));
542			b.pfrb_type = PFRB_TABLES;
543			for (;;) {
544			pfr_buf_grow(&b, b.pfrb_size);
545			b.pfrb_size = b.pfrb_msize;
546			if (pfr_get_tables(NULL, b.pfrb_caddr,
547			&b.pfrb_size, PFR_FLAG_ALLRSETS))
548			err(1, "pfr_get_tables");
549			if (b.pfrb_size <= b.pfrb_msize)
550			break;
551			}
552			PFRB_FOREACH(t, &b) {
553			if (!(t->pfrt_flags & PFR_TFLAG_ACTIVE))
554			continue;
555			if (filter != NULL && strcmp(filter, t->pfrt_name))
556			continue;
557			if (!t->pfrt_anchor[0])
558			name = t->pfrt_name;
559			else if (name != NULL && !strcmp(name, t->pfrt_name)) {
560			coll++;
561			lastcoll = name;
562			name = NULL;
563			}
564			}
565			if (coll == 1)
566			warnx("warning: namespace collision with <%s> global table.",
567			lastcoll);
568			else if (coll > 1)
569			warnx("warning: namespace collisions with %d global tables.",
570			coll);
571			pfr_buf_clear(&b);
572			}
573
574			void
575			xprintf(int opts, const char *fmt, ...)
576			{
577			va_list args;
578
579			if (opts & PF_OPT_QUIET)
580			return;
581
582			va_start(args, fmt);
583			vfprintf(stderr, fmt, args);
584			va_end(args);
585
586			if (opts & PF_OPT_DUMMYACTION)
587			fprintf(stderr, " (dummy).\n");
588			else if (opts & PF_OPT_NOACTION)
589			fprintf(stderr, " (syntax only).\n");
590			else
591			fprintf(stderr, ".\n");
592			}
593
594
595			/* interface stuff */
596
597			int
598			pfctl_show_ifaces(const char *filter, int opts)
599			{
600			struct pfr_buffer b;
601			struct pfi_kif *p;
602			int i = 0;
603
604			bzero(&b, sizeof(b));
605			b.pfrb_type = PFRB_IFACES;
606			for (;;) {
607			pfr_buf_grow(&b, b.pfrb_size);
608			b.pfrb_size = b.pfrb_msize;
609			if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size)) {
610			radix_perror();
611			return (1);
612			}
613			if (b.pfrb_size <= b.pfrb_msize)
614			break;
615			i++;
616			}
617			if (opts & PF_OPT_SHOWALL)
618			pfctl_print_title("INTERFACES:");
619			PFRB_FOREACH(p, &b)
620			print_iface(p, opts);
621			return (0);
622			}
623
624			void
625			print_iface(struct pfi_kif *p, int opts)
626			{
627			time_t tzero = p->pfik_tzero;
628			int i, af, dir, act;
629
630			printf("%s", p->pfik_name);
631			if (opts & PF_OPT_VERBOSE) {
632			if (p->pfik_flags & PFI_IFLAG_SKIP)
633			printf(" (skip)");
634			}
635			printf("\n");
636
637			if (!(opts & PF_OPT_VERBOSE2))
638			return;
639			printf("\tCleared: %s", ctime(&tzero));
640			printf("\tReferences: [ States: %-18d Rules: %-18d ]\n",
641			p->pfik_states, p->pfik_rules);
642			for (i = 0; i < 8; i++) {
643			af = (i>>2) & 1;
644			dir = (i>>1) &1;
645			act = i & 1;
646			printf("\t%-12s [ Packets: %-18llu Bytes: %-18llu ]\n",
647			istats_text[af][dir][act],
648			(unsigned long long)p->pfik_packets[af][dir][act],
649			(unsigned long long)p->pfik_bytes[af][dir][act]);
650			}
651			}