xref: /illumos-gate/usr/src/boot/include/arpa/tftp.h (revision 199767f8)
1*199767f8SToomas Soome /*
2*199767f8SToomas Soome  * Copyright (c) 1983, 1993
3*199767f8SToomas Soome  *	The Regents of the University of California.  All rights reserved.
4*199767f8SToomas Soome  *
5*199767f8SToomas Soome  * Redistribution and use in source and binary forms, with or without
6*199767f8SToomas Soome  * modification, are permitted provided that the following conditions
7*199767f8SToomas Soome  * are met:
8*199767f8SToomas Soome  * 1. Redistributions of source code must retain the above copyright
9*199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer.
10*199767f8SToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
11*199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer in the
12*199767f8SToomas Soome  *    documentation and/or other materials provided with the distribution.
13*199767f8SToomas Soome  * 3. Neither the name of the University nor the names of its contributors
14*199767f8SToomas Soome  *    may be used to endorse or promote products derived from this software
15*199767f8SToomas Soome  *    without specific prior written permission.
16*199767f8SToomas Soome  *
17*199767f8SToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18*199767f8SToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19*199767f8SToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20*199767f8SToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21*199767f8SToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*199767f8SToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23*199767f8SToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24*199767f8SToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25*199767f8SToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26*199767f8SToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27*199767f8SToomas Soome  * SUCH DAMAGE.
28*199767f8SToomas Soome  *
29*199767f8SToomas Soome  *	@(#)tftp.h	8.1 (Berkeley) 6/2/93
30*199767f8SToomas Soome  * $FreeBSD$
31*199767f8SToomas Soome  */
32*199767f8SToomas Soome 
33*199767f8SToomas Soome #ifndef _ARPA_TFTP_H_
34*199767f8SToomas Soome #define	_ARPA_TFTP_H_
35*199767f8SToomas Soome 
36*199767f8SToomas Soome #include <sys/cdefs.h>
37*199767f8SToomas Soome 
38*199767f8SToomas Soome /*
39*199767f8SToomas Soome  * Trivial File Transfer Protocol (IEN-133)
40*199767f8SToomas Soome  */
41*199767f8SToomas Soome #define	SEGSIZE		512		/* data segment size */
42*199767f8SToomas Soome 
43*199767f8SToomas Soome /*
44*199767f8SToomas Soome  * Packet types.
45*199767f8SToomas Soome  */
46*199767f8SToomas Soome #define	RRQ	01			/* read request */
47*199767f8SToomas Soome #define	WRQ	02			/* write request */
48*199767f8SToomas Soome #define	DATA	03			/* data packet */
49*199767f8SToomas Soome #define	ACK	04			/* acknowledgement */
50*199767f8SToomas Soome #define	ERROR	05			/* error code */
51*199767f8SToomas Soome #define	OACK	06			/* option acknowledgement */
52*199767f8SToomas Soome 
53*199767f8SToomas Soome struct tftphdr {
54*199767f8SToomas Soome 	unsigned short	th_opcode;		/* packet type */
55*199767f8SToomas Soome 	union {
56*199767f8SToomas Soome 		unsigned short	tu_block;	/* block # */
57*199767f8SToomas Soome 		unsigned short	tu_code;	/* error code */
58*199767f8SToomas Soome 		char	tu_stuff[1];	/* request packet stuff */
59*199767f8SToomas Soome 	} __packed th_u;
60*199767f8SToomas Soome 	char	th_data[1];		/* data or error string */
61*199767f8SToomas Soome } __packed;
62*199767f8SToomas Soome 
63*199767f8SToomas Soome #define	th_block	th_u.tu_block
64*199767f8SToomas Soome #define	th_code		th_u.tu_code
65*199767f8SToomas Soome #define	th_stuff	th_u.tu_stuff
66*199767f8SToomas Soome #define	th_msg		th_data
67*199767f8SToomas Soome 
68*199767f8SToomas Soome /*
69*199767f8SToomas Soome  * Error codes.
70*199767f8SToomas Soome  */
71*199767f8SToomas Soome #define	EUNDEF		0		/* not defined */
72*199767f8SToomas Soome #define	ENOTFOUND	1		/* file not found */
73*199767f8SToomas Soome #define	EACCESS		2		/* access violation */
74*199767f8SToomas Soome #define	ENOSPACE	3		/* disk full or allocation exceeded */
75*199767f8SToomas Soome #define	EBADOP		4		/* illegal TFTP operation */
76*199767f8SToomas Soome #define	EBADID		5		/* unknown transfer ID */
77*199767f8SToomas Soome #define	EEXISTS		6		/* file already exists */
78*199767f8SToomas Soome #define	ENOUSER		7		/* no such user */
79*199767f8SToomas Soome #define	EOPTNEG		8		/* option negotiation failed */
80*199767f8SToomas Soome 
81*199767f8SToomas Soome #endif /* !_TFTP_H_ */
82