xref: /netbsd/sys/lib/libsa/tftp.h (revision 6550d01e)
1 /*	$NetBSD: tftp.h,v 1.6 2005/12/11 12:24:46 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1996
5  *	Matthias Drochner.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  *
27  */
28 
29 /*	NetBSD: tftp.h,v 1.6 2000/10/18 01:35:46 dogcow Exp 	*/
30 
31 /*
32  * Copyright (c) 1983, 1993
33  *	The Regents of the University of California.  All rights reserved.
34  *
35  * Redistribution and use in source and binary forms, with or without
36  * modification, are permitted provided that the following conditions
37  * are met:
38  * 1. Redistributions of source code must retain the above copyright
39  *    notice, this list of conditions and the following disclaimer.
40  * 2. Redistributions in binary form must reproduce the above copyright
41  *    notice, this list of conditions and the following disclaimer in the
42  *    documentation and/or other materials provided with the distribution.
43  * 3. Neither the name of the University nor the names of its contributors
44  *    may be used to endorse or promote products derived from this software
45  *    without specific prior written permission.
46  *
47  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
48  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
51  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
52  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
53  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57  * SUCH DAMAGE.
58  *
59  *	@(#)tftp.h	8.1 (Berkeley) 6/2/93
60  */
61 /*
62  * Trivial File Transfer Protocol (IEN-133)
63  */
64 #define	SEGSIZE		512		/* data segment size */
65 
66 /*
67  * Packet types.
68  */
69 #define	RRQ	01			/* read request */
70 #define	WRQ	02			/* write request */
71 #define	DATA	03			/* data packet */
72 #define	ACK	04			/* acknowledgement */
73 #define	ERROR	05			/* error code */
74 
75 struct	tftphdr {
76 	short	th_opcode;		/* packet type */
77 	union {
78 		unsigned short tu_block; /* block # */
79 		short	tu_code;	/* error code */
80 		char	tu_stuff[1];	/* request packet stuff */
81 	} th_u;
82 	char	th_data[1];		/* data or error string */
83 };
84 
85 #define	th_block	th_u.tu_block
86 #define	th_code		th_u.tu_code
87 #define	th_stuff	th_u.tu_stuff
88 #define	th_msg		th_data
89 
90 /*
91  * Error codes.
92  */
93 #define	EUNDEF		0		/* not defined */
94 #define	ENOTFOUND	1		/* file not found */
95 #define	EACCESS		2		/* access violation */
96 #define	ENOSPACE	3		/* disk full or allocation exceeded */
97 #define	EBADOP		4		/* illegal TFTP operation */
98 #define	EBADID		5		/* unknown transfer ID */
99 #define	EEXISTS		6		/* file already exists */
100 #define	ENOUSER		7		/* no such user */
101 
102 FS_DEF(tftp);
103 
104 #define IPPORT_TFTP 69
105