2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
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26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)tftp.h 8.1 (Berkeley) 6/2/93
37 * Trivial File Transfer Protocol (IEN-133)
39 #define SEGSIZE 512 /* data segment size */
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 */
52 unsigned short th_opcode; /* packet type */
54 unsigned short tu_block; /* block # */
55 unsigned short tu_code; /* error code */
56 char tu_stuff[1]; /* request packet stuff */
58 char th_data[1]; /* data or error string */
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
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 */
79 #endif /* !_TFTP_H_ */