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