1 /* $OpenBSD: tftp.h,v 1.3 1997/09/21 10:46:04 niklas 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. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)tftp.h 5.4 (Berkeley) 4/3/91 37 */ 38 39 #ifndef _TFTP_H_ 40 #define _TFTP_H_ 41 42 /* 43 * Trivial File Transfer Protocol (IEN-133) 44 */ 45 #define SEGSIZE 512 /* data segment size */ 46 47 /* 48 * Packet types. 49 */ 50 #define RRQ 01 /* read request */ 51 #define WRQ 02 /* write request */ 52 #define DATA 03 /* data packet */ 53 #define ACK 04 /* acknowledgement */ 54 #define ERROR 05 /* error code */ 55 56 struct tftphdr { 57 u_int16_t th_opcode; /* packet type */ 58 union { 59 u_int16_t tu_block; /* block # */ 60 u_int16_t tu_code; /* error code */ 61 char tu_stuff[1]; /* request packet stuff */ 62 } th_u; 63 char th_data[1]; /* data or error string */ 64 }; 65 66 #define th_block th_u.tu_block 67 #define th_code th_u.tu_code 68 #define th_stuff th_u.tu_stuff 69 #define th_msg th_data 70 71 /* 72 * Error codes. 73 */ 74 #define EUNDEF 0 /* not defined */ 75 #define ENOTFOUND 1 /* file not found */ 76 #define EACCESS 2 /* access violation */ 77 #define ENOSPACE 3 /* disk full or allocation exceeded */ 78 #define EBADOP 4 /* illegal TFTP operation */ 79 #define EBADID 5 /* unknown transfer ID */ 80 #define EEXISTS 6 /* file already exists */ 81 #define ENOUSER 7 /* no such user */ 82 83 #endif /* !_TFTP_H_ */ 84