1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (C) 2008 Edwin Groothuis. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD$");
30
31/*
32 * Options
33 */
34
35void		init_options(void);
36uint16_t	make_options(int peer, char *buffer, uint16_t size);
37int		parse_options(int peer, char *buffer, uint16_t size);
38
39/* Call back functions */
40int	option_tsize(int peer, struct tftphdr *, int, struct stat *);
41int	option_timeout(int peer);
42int	option_blksize(int peer);
43int	option_blksize2(int peer);
44int	option_rollover(int peer);
45int	option_windowsize(int peer);
46
47extern int options_extra_enabled;
48extern int options_rfc_enabled;
49
50struct options {
51	const char	*o_type;
52	char		*o_request;
53	char		*o_reply;
54	int		(*o_handler)(int peer);
55	int		rfc;
56};
57
58extern struct options	options[];
59enum opt_enum {
60	OPT_TSIZE = 0,
61	OPT_TIMEOUT,
62	OPT_BLKSIZE,
63	OPT_BLKSIZE2,
64	OPT_ROLLOVER,
65	OPT_WINDOWSIZE,
66};
67