tftp.h revision 1.4
1/* $OpenBSD: tftp.h,v 1.4 2003/06/02 19:34:12 millert Exp $ */ 2/* $NetBSD: tftp.h,v 1.3 1994/10/26 00:56:48 cgd Exp $ */ 3 4/* 5 * Copyright (c) 1983 Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)tftp.h 5.4 (Berkeley) 4/3/91 33 */ 34 35#ifndef _TFTP_H_ 36#define _TFTP_H_ 37 38/* 39 * Trivial File Transfer Protocol (IEN-133) 40 */ 41#define SEGSIZE 512 /* data segment size */ 42 43/* 44 * Packet types. 45 */ 46#define RRQ 01 /* read request */ 47#define WRQ 02 /* write request */ 48#define DATA 03 /* data packet */ 49#define ACK 04 /* acknowledgement */ 50#define ERROR 05 /* error code */ 51 52struct tftphdr { 53 u_int16_t th_opcode; /* packet type */ 54 union { 55 u_int16_t tu_block; /* block # */ 56 u_int16_t tu_code; /* error code */ 57 char tu_stuff[1]; /* request packet stuff */ 58 } th_u; 59 char th_data[1]; /* data or error string */ 60}; 61 62#define th_block th_u.tu_block 63#define th_code th_u.tu_code 64#define th_stuff th_u.tu_stuff 65#define th_msg th_data 66 67/* 68 * Error codes. 69 */ 70#define EUNDEF 0 /* not defined */ 71#define ENOTFOUND 1 /* file not found */ 72#define EACCESS 2 /* access violation */ 73#define ENOSPACE 3 /* disk full or allocation exceeded */ 74#define EBADOP 4 /* illegal TFTP operation */ 75#define EBADID 5 /* unknown transfer ID */ 76#define EEXISTS 6 /* file already exists */ 77#define ENOUSER 7 /* no such user */ 78 79#endif /* !_TFTP_H_ */ 80