1168054Sflz/*- 2168054Sflz * SPDX-License-Identifier: BSD-3-Clause 3168266Sgabor * 4168266Sgabor * Copyright (c) 1983, 1993 5168266Sgabor * The Regents of the University of California. All rights reserved. 6168266Sgabor * 7168266Sgabor * Redistribution and use in source and binary forms, with or without 8168266Sgabor * modification, are permitted provided that the following conditions 9168266Sgabor * are met: 10168266Sgabor * 1. Redistributions of source code must retain the above copyright 11168054Sflz * notice, this list of conditions and the following disclaimer. 12168054Sflz * 2. Redistributions in binary form must reproduce the above copyright 13168064Sflz * notice, this list of conditions and the following disclaimer in the 14168064Sflz * documentation and/or other materials provided with the distribution. 15168064Sflz * 3. Neither the name of the University nor the names of its contributors 16168064Sflz * may be used to endorse or promote products derived from this software 17168064Sflz * without specific prior written permission. 18168064Sflz * 19168064Sflz * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20168064Sflz * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21168064Sflz * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22168064Sflz * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23168064Sflz * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24168064Sflz * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25168064Sflz * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26168064Sflz * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27168054Sflz * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28168054Sflz * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29168064Sflz * SUCH DAMAGE. 30168054Sflz */ 31168064Sflz 32171129Sobrien#ifndef _ARPA_TFTP_H_ 33168939Stmclaugh#define _ARPA_TFTP_H_ 34168131Sbmah 35168113Smarcus#include <sys/cdefs.h> 36168123Snetchild 37168939Stmclaugh/* 38168064Sflz * Trivial File Transfer Protocol (IEN-133) 39168054Sflz */ 40168054Sflz#define SEGSIZE 512 /* data segment size */ 41168054Sflz 42168054Sflz/* 43168261Sache * Packet types. 44168077Sflz */ 45168077Sflz#define RRQ 01 /* read request */ 46168126Sale#define WRQ 02 /* write request */ 47168069Sgarga#define DATA 03 /* data packet */ 48168472Snovel#define ACK 04 /* acknowledgement */ 49168274Ssem#define ERROR 05 /* error code */ 50169073Saraujo#define OACK 06 /* option acknowledgement */ 51168667Sstefan 52168274Ssemstruct tftphdr { 53170471Sbeech unsigned short th_opcode; /* packet type */ 54168113Smarcus union { 55168098Skrion unsigned short tu_block; /* block # */ 56168123Snetchild unsigned short tu_code; /* error code */ 57170601Schinsan char tu_stuff[1]; /* request packet stuff */ 58168082Sgarga } __packed th_u; 59168116Sclsung char th_data[1]; /* data or error string */ 60168937Scperciva} __packed; 61168177Sgabor 62168354Sdanfe#define th_block th_u.tu_block 63168072Sehaupt#define th_code th_u.tu_code 64168108Srafan#define th_stuff th_u.tu_stuff 65168186Smat#define th_msg th_data 66168210Sitetcu 67168068Serwin/* 68168072Sehaupt * Error codes. 69168113Smarcus */ 70168059Sgabor#define EUNDEF 0 /* not defined */ 71168542Smiwi#define ENOTFOUND 1 /* file not found */ 72168098Skrion#define EACCESS 2 /* access violation */ 73168054Sflz#define ENOSPACE 3 /* disk full or allocation exceeded */ 74168059Sgabor#define EBADOP 4 /* illegal TFTP operation */ 75168054Sflz#define EBADID 5 /* unknown transfer ID */ 76171129Sobrien#define EEXISTS 6 /* file already exists */ 77172158Sjkim#define ENOUSER 7 /* no such user */ 78172158Sjkim#define EOPTNEG 8 /* option negotiation failed */ 79168256Sijliao 80168209Sitetcu#endif /* !_TFTP_H_ */ 81172158Sjkim