freebsd-skq/sys/netgraph/ng_nat.h
2007-05-22 12:23:39 +00:00

61 lines
2.1 KiB
C

/*-
* Copyright 2005, Gleb Smirnoff <glebius@FreeBSD.org>
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#define NG_NAT_NODE_TYPE "nat"
#define NGM_NAT_COOKIE 1107718711
#define NG_NAT_HOOK_IN "in"
#define NG_NAT_HOOK_OUT "out"
/* Arguments for NGM_NAT_SET_MODE message */
struct ng_nat_mode {
uint32_t flags;
uint32_t mask;
};
/* Keep this in sync with the above structure definition */
#define NG_NAT_MODE_INFO { \
{ "flags", &ng_parse_uint32_type }, \
{ "mask", &ng_parse_uint32_type }, \
{ NULL } \
}
#define NG_NAT_LOG 0x01
#define NG_NAT_DENY_INCOMING 0x02
#define NG_NAT_SAME_PORTS 0x04
#define NG_NAT_UNREGISTERED_ONLY 0x10
#define NG_NAT_RESET_ON_ADDR_CHANGE 0x20
#define NG_NAT_PROXY_ONLY 0x40
#define NG_NAT_REVERSE 0x80
enum {
NGM_NAT_SET_IPADDR = 1,
NGM_NAT_SET_MODE,
NGM_NAT_SET_TARGET,
};