1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
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/*
29 * Options
30 */
31
32void		init_options(void);
33uint16_t	make_options(int peer, char *buffer, uint16_t size);
34int		parse_options(int peer, char *buffer, uint16_t size);
35
36/* Call back functions */
37int	option_tsize(int peer, struct tftphdr *, int, struct stat *);
38int	option_timeout(int peer);
39int	option_blksize(int peer);
40int	option_blksize2(int peer);
41int	option_rollover(int peer);
42int	option_windowsize(int peer);
43
44extern int options_extra_enabled;
45extern int options_rfc_enabled;
46
47struct options {
48	const char	*o_type;
49	char		*o_request;
50	char		*o_reply;
51	int		(*o_handler)(int peer);
52	int		rfc;
53};
54
55extern struct options	options[];
56enum opt_enum {
57	OPT_TSIZE = 0,
58	OPT_TIMEOUT,
59	OPT_BLKSIZE,
60	OPT_BLKSIZE2,
61	OPT_ROLLOVER,
62	OPT_WINDOWSIZE,
63};
64
65int	options_set_request(enum opt_enum, const char *, ...)
66	__printf0like(2, 3);
67int	options_set_reply(enum opt_enum, const char *, ...)
68	__printf0like(2, 3);
69