xref: /netbsd-src/sys/lib/libsa/tftp.h (revision d710132b4b8ce7f7cccaaf660cb16aa16b4077a0)
1 /*	$NetBSD: tftp.h,v 1.2 2003/01/12 18:59:16 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  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed for the NetBSD Project
18  *	by Matthias Drochner.
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  *
33  */
34 
35 /*	NetBSD: tftp.h,v 1.6 2000/10/18 01:35:46 dogcow Exp 	*/
36 
37 /*
38  * Copyright (c) 1983, 1993
39  *	The Regents of the University of California.  All rights reserved.
40  *
41  * Redistribution and use in source and binary forms, with or without
42  * modification, are permitted provided that the following conditions
43  * are met:
44  * 1. Redistributions of source code must retain the above copyright
45  *    notice, this list of conditions and the following disclaimer.
46  * 2. Redistributions in binary form must reproduce the above copyright
47  *    notice, this list of conditions and the following disclaimer in the
48  *    documentation and/or other materials provided with the distribution.
49  * 3. All advertising materials mentioning features or use of this software
50  *    must display the following acknowledgement:
51  *	This product includes software developed by the University of
52  *	California, Berkeley and its contributors.
53  * 4. Neither the name of the University nor the names of its contributors
54  *    may be used to endorse or promote products derived from this software
55  *    without specific prior written permission.
56  *
57  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
58  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
59  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
60  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
61  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
62  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
63  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
64  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
65  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
66  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
67  * SUCH DAMAGE.
68  *
69  *	@(#)tftp.h	8.1 (Berkeley) 6/2/93
70  */
71 /*
72  * Trivial File Transfer Protocol (IEN-133)
73  */
74 #define	SEGSIZE		512		/* data segment size */
75 
76 /*
77  * Packet types.
78  */
79 #define	RRQ	01			/* read request */
80 #define	WRQ	02			/* write request */
81 #define	DATA	03			/* data packet */
82 #define	ACK	04			/* acknowledgement */
83 #define	ERROR	05			/* error code */
84 
85 struct	tftphdr {
86 	short	th_opcode;		/* packet type */
87 	union {
88 		unsigned short tu_block; /* block # */
89 		short	tu_code;	/* error code */
90 		char	tu_stuff[1];	/* request packet stuff */
91 	} th_u;
92 	char	th_data[1];		/* data or error string */
93 };
94 
95 #define	th_block	th_u.tu_block
96 #define	th_code		th_u.tu_code
97 #define	th_stuff	th_u.tu_stuff
98 #define	th_msg		th_data
99 
100 /*
101  * Error codes.
102  */
103 #define	EUNDEF		0		/* not defined */
104 #define	ENOTFOUND	1		/* file not found */
105 #define	EACCESS		2		/* access violation */
106 #define	ENOSPACE	3		/* disk full or allocation exceeded */
107 #define	EBADOP		4		/* illegal TFTP operation */
108 #define	EBADID		5		/* unknown transfer ID */
109 #define	EEXISTS		6		/* file already exists */
110 #define	ENOUSER		7		/* no such user */
111 
112 int tftp_open __P((char *path, struct open_file *f));
113 int tftp_read __P((struct open_file *f, void *addr,
114 	      size_t size, size_t *resid));
115 int tftp_close __P((struct open_file *f));
116 int tftp_write __P((struct open_file *f, void *addr,
117 	      size_t size, size_t *resid));
118 int tftp_stat __P((struct open_file *f, struct stat *sb));
119 off_t tftp_seek __P((struct open_file *f, off_t offset, int where));
120 
121 #define IPPORT_TFTP 69
122