1/*	$OpenBSD: filter.h,v 1.4 2007/08/01 09:31:41 henning Exp $ */
2
3/*
4 * Copyright (c) 2004, 2005 Camiel Dobbelaar, <cd@sentia.nl>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19#define	FTP_PROXY_ANCHOR "ftp-proxy"
20
21int add_filter(u_int32_t, u_int8_t, struct sockaddr *, struct sockaddr *,
22    u_int16_t);
23int add_nat(u_int32_t, struct sockaddr *, struct sockaddr *, u_int16_t,
24    struct sockaddr *, u_int16_t, u_int16_t);
25int add_rdr(u_int32_t, struct sockaddr *, struct sockaddr *, u_int16_t,
26    struct sockaddr *, u_int16_t);
27int do_commit(void);
28int do_rollback(void);
29void init_filter(const char *, const char *, int);
30int prepare_commit(u_int32_t);
31int server_lookup(struct sockaddr *, struct sockaddr *, struct sockaddr *);
32