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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)tftp.h 8.1 (Berkeley) 6/2/93 30 * $FreeBSD$ 31 */ 32 33 #ifndef _ARPA_TFTP_H_ 34 #define _ARPA_TFTP_H_ 35 36 #include <sys/cdefs.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 #define OACK 06 /* option acknowledgement */ 52 53 struct tftphdr { 54 unsigned short th_opcode; /* packet type */ 55 union { 56 unsigned short tu_block; /* block # */ 57 unsigned short tu_code; /* error code */ 58 char tu_stuff[1]; /* request packet stuff */ 59 } __packed th_u; 60 char th_data[1]; /* data or error string */ 61 } __packed; 62 63 #define th_block th_u.tu_block 64 #define th_code th_u.tu_code 65 #define th_stuff th_u.tu_stuff 66 #define th_msg th_data 67 68 /* 69 * Error codes. 70 */ 71 #define EUNDEF 0 /* not defined */ 72 #define ENOTFOUND 1 /* file not found */ 73 #define EACCESS 2 /* access violation */ 74 #define ENOSPACE 3 /* disk full or allocation exceeded */ 75 #define EBADOP 4 /* illegal TFTP operation */ 76 #define EBADID 5 /* unknown transfer ID */ 77 #define EEXISTS 6 /* file already exists */ 78 #define ENOUSER 7 /* no such user */ 79 #define EOPTNEG 8 /* option negotiation failed */ 80 81 #endif /* !_TFTP_H_ */ 82