tftp.h revision 091a80ae
1/*
2 * Copyright (c) 1983, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 *	@(#)tftp.h	8.1 (Berkeley) 6/2/93
34 * $FreeBSD: src/include/arpa/tftp.h,v 1.5 2001/09/27 20:50:14 obrien Exp $
35 */
36
37#ifndef _ARPA_TFTP_H_
38#define	_ARPA_TFTP_H_
39
40
41#ifdef _BSD_SOURCE
42
43
44/*
45 * Trivial File Transfer Protocol (IEN-133)
46 */
47#define	SEGSIZE		512		/* data segment size */
48
49/*
50 * Packet types.
51 */
52#define	RRQ	01			/* read request */
53#define	WRQ	02			/* write request */
54#define	DATA	03			/* data packet */
55#define	ACK	04			/* acknowledgement */
56#define	ERROR	05			/* error code */
57#define	OACK	06			/* option acknowledgement */
58
59struct tftphdr {
60	unsigned short	th_opcode;		/* packet type */
61	union {
62		unsigned short	tu_block;	/* block # */
63		unsigned short	tu_code;	/* error code */
64		char	tu_stuff[1];	/* request packet stuff */
65	} th_u;
66	char	th_data[1];		/* data or error string */
67};
68
69#define	th_block	th_u.tu_block
70#define	th_code		th_u.tu_code
71#define	th_stuff	th_u.tu_stuff
72#define	th_msg		th_data
73
74/*
75 * Error codes.
76 */
77#define	EUNDEF		0		/* not defined */
78#define	ENOTFOUND	1		/* file not found */
79#define	EACCESS		2		/* access violation */
80#define	ENOSPACE	3		/* disk full or allocation exceeded */
81#define	EBADOP		4		/* illegal TFTP operation */
82#define	EBADID		5		/* unknown transfer ID */
83#define	EEXISTS		6		/* file already exists */
84#define	ENOUSER		7		/* no such user */
85#define	EOPTNEG		8		/* option negotiation failed */
86
87
88#endif
89
90
91#endif /* !_TFTP_H_ */
92