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/include/arpa/tftp.h

https://bitbucket.org/freebsd/freebsd-head/
C++ Header | 79 lines | 32 code | 7 blank | 40 comment | 0 complexity | 2e4b2e2a53f797eda5d4344a630c8363 MD5 | raw file
 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. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	@(#)tftp.h	8.1 (Berkeley) 6/2/93
30 * $FreeBSD$
31 */
32
33#ifndef _ARPA_TFTP_H_
34#define	_ARPA_TFTP_H_
35
36/*
37 * Trivial File Transfer Protocol (IEN-133)
38 */
39#define	SEGSIZE		512		/* data segment size */
40
41/*
42 * Packet types.
43 */
44#define	RRQ	01			/* read request */
45#define	WRQ	02			/* write request */
46#define	DATA	03			/* data packet */
47#define	ACK	04			/* acknowledgement */
48#define	ERROR	05			/* error code */
49#define	OACK	06			/* option acknowledgement */
50
51struct tftphdr {
52	unsigned short	th_opcode;		/* packet type */
53	union {
54		unsigned short	tu_block;	/* block # */
55		unsigned short	tu_code;	/* error code */
56		char	tu_stuff[1];	/* request packet stuff */
57	} __packed th_u;
58	char	th_data[1];		/* data or error string */
59} __packed;
60
61#define	th_block	th_u.tu_block
62#define	th_code		th_u.tu_code
63#define	th_stuff	th_u.tu_stuff
64#define	th_msg		th_data
65
66/*
67 * Error codes.
68 */
69#define	EUNDEF		0		/* not defined */
70#define	ENOTFOUND	1		/* file not found */
71#define	EACCESS		2		/* access violation */
72#define	ENOSPACE	3		/* disk full or allocation exceeded */
73#define	EBADOP		4		/* illegal TFTP operation */
74#define	EBADID		5		/* unknown transfer ID */
75#define	EEXISTS		6		/* file already exists */
76#define	ENOUSER		7		/* no such user */
77#define	EOPTNEG		8		/* option negotiation failed */
78
79#endif /* !_TFTP_H_ */