xref: /dragonfly/sbin/ipfw3/ipfw3log.c (revision 4408d548)

/*
 * Copyright (c) 2014 - 2018 The DragonFly Project.  All rights reserved.
 *
 * This code is derived from software contributed to The DragonFly Project
 * by Bill Yuan <bycn82@dragonflybsd.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. Neither the name of The DragonFly Project nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific, prior written permission.
 *
 * 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/param.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <sys/wait.h>

#include <arpa/inet.h>
#include <ctype.h>
#include <dlfcn.h>
#include <err.h>
#include <errno.h>
#include <grp.h>
#include <limits.h>
#include <netdb.h>
#include <pwd.h>
#include <sysexits.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <timeconv.h>
#include <unistd.h>

#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
#include <netinet/tcp.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/route.h>
#include <net/ethernet.h>

#include <net/ipfw3/ip_fw3.h>
#include <net/ipfw3_basic/ip_fw3_table.h>
#include <net/ipfw3_basic/ip_fw3_sync.h>
#include <net/ipfw3_basic/ip_fw3_basic.h>
#include <net/ipfw3_nat/ip_fw3_nat.h>
#include <net/dummynet3/ip_dummynet3.h>

#include "ipfw3.h"
#include "ipfw3log.h"

extern int	fw3_socket;
extern int	do_quiet;


void
resetlog(int ac, char *av[])
{
	int rulenum;
	int failed = EX_OK;

	NEXT_ARG;

	if (!ac) {
		/* clear all entries */
		if (setsockopt(fw3_socket, IPPROTO_IP,
					IP_FW_RESETLOG, NULL, 0) < 0)
			err(EX_UNAVAILABLE, "setsockopt(IP_FW_RESETLOG)");
		if (!do_quiet)
			printf("Logging counts reset.\n");

		return;
	}

	while (ac) {
		/* Rule number */
		if (isdigit(**av)) {
			rulenum = atoi(*av);
			NEXT_ARG;
			if (setsockopt(fw3_socket, IPPROTO_IP,
				IP_FW_RESETLOG, &rulenum, sizeof rulenum)) {
				warn("rule %u: setsockopt(IP_FW_RESETLOG)",
						rulenum);
				failed = EX_UNAVAILABLE;
			} else if (!do_quiet)
				printf("Entry %d logging count reset\n",
						rulenum);
		} else {
			errx(EX_DATAERR, "invalid rule number ``%s''", *av);
		}
	}
	if (failed != EX_OK)
		exit(failed);
}

void
log_main(int ac, char **av)
{
	if (!strncmp(*av, "reset", strlen(*av))) {
		resetlog(ac, av);
	} else if (!strncmp(*av, "off", strlen(*av))) {

	} else if (!strncmp(*av, "on", strlen(*av))) {

	} else {
		errx(EX_USAGE, "bad command `%s'", *av);
	}
}