1 /* $NetBSD: tftp.h,v 1.6 2000/10/18 01:35:46 dogcow Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. 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 by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)tftp.h 8.1 (Berkeley) 6/2/93 36 */ 37 38 #ifndef _ARPA_TFTP_H_ 39 #define _ARPA_TFTP_H_ 40 41 /* 42 * Trivial File Transfer Protocol (IEN-133) 43 */ 44 #define SEGSIZE 512 /* data segment size */ 45 46 /* 47 * Packet types. 48 */ 49 #define RRQ 01 /* read request */ 50 #define WRQ 02 /* write request */ 51 #define DATA 03 /* data packet */ 52 #define ACK 04 /* acknowledgement */ 53 #define ERROR 05 /* error code */ 54 55 struct tftphdr { 56 short th_opcode; /* packet type */ 57 union { 58 unsigned short tu_block; /* block # */ 59 short tu_code; /* error code */ 60 char tu_stuff[1]; /* request packet stuff */ 61 } th_u; 62 char th_data[1]; /* data or error string */ 63 }; 64 65 #define th_block th_u.tu_block 66 #define th_code th_u.tu_code 67 #define th_stuff th_u.tu_stuff 68 #define th_msg th_data 69 70 /* 71 * Error codes. 72 */ 73 #define EUNDEF 0 /* not defined */ 74 #define ENOTFOUND 1 /* file not found */ 75 #define EACCESS 2 /* access violation */ 76 #define ENOSPACE 3 /* disk full or allocation exceeded */ 77 #define EBADOP 4 /* illegal TFTP operation */ 78 #define EBADID 5 /* unknown transfer ID */ 79 #define EEXISTS 6 /* file already exists */ 80 #define ENOUSER 7 /* no such user */ 81 82 #endif /* _ARPA_TFTP_H_ */ 83