1c39934eaSBrian Somers /*- 2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 31de7b4b8SPedro F. Giffuni * 4de97d73dSBrian Somers * Copyright (c) 2001 Charles Mott <cm@linktel.net> 5057fee78SBrian Somers * Brian Somers <brian@Awfulhak.org> 6057fee78SBrian Somers * All rights reserved. 7057fee78SBrian Somers * 8057fee78SBrian Somers * Redistribution and use in source and binary forms, with or without 9057fee78SBrian Somers * modification, are permitted provided that the following conditions 10057fee78SBrian Somers * are met: 11057fee78SBrian Somers * 1. Redistributions of source code must retain the above copyright 12057fee78SBrian Somers * notice, this list of conditions and the following disclaimer. 13057fee78SBrian Somers * 2. Redistributions in binary form must reproduce the above copyright 14057fee78SBrian Somers * notice, this list of conditions and the following disclaimer in the 15057fee78SBrian Somers * documentation and/or other materials provided with the distribution. 16057fee78SBrian Somers * 17057fee78SBrian Somers * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18057fee78SBrian Somers * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19057fee78SBrian Somers * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20057fee78SBrian Somers * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21057fee78SBrian Somers * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22057fee78SBrian Somers * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23057fee78SBrian Somers * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24057fee78SBrian Somers * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25057fee78SBrian Somers * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26057fee78SBrian Somers * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27057fee78SBrian Somers * SUCH DAMAGE. 2875240ed1SBrian Somers */ 29f82fd828SBrian Somers 30d91d2861SBrian Somers struct cmdargs; 31d91d2861SBrian Somers 3267b072f7SBrian Somers extern int nat_RedirectPort(struct cmdargs const *); 3367b072f7SBrian Somers extern int nat_RedirectAddr(struct cmdargs const *); 3488298994SBrian Somers extern int nat_RedirectProto(struct cmdargs const *); 3567b072f7SBrian Somers extern int nat_ProxyRule(struct cmdargs const *); 36b7d8533cSBrian Somers extern int nat_SetTarget(struct cmdargs const *); 37686e8c8bSBrian Somers #ifndef NO_FW_PUNCH 38686e8c8bSBrian Somers extern int nat_PunchFW(struct cmdargs const *); 39686e8c8bSBrian Somers #endif 40b07fbc17SJoe Marcus Clarke extern int nat_SkinnyPort(struct cmdargs const *); 415d9e6103SBrian Somers 4267b072f7SBrian Somers extern struct layer natlayer; 43