1 /* @(#) $Header: /tcpdump/master/tcpdump/tftp.h,v 1.1.2.1 2007/09/14 01:03:12 guy Exp $ (LBL) */ 2 /* 3 * Copyright (c) 1983, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the University of 17 * California, Berkeley and its contributors. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)tftp.h 8.1 (Berkeley) 6/2/93 35 */ 36 37 #ifndef _TFTP_H_ 38 #define _TFTP_H_ 39 40 /* 41 * Trivial File Transfer Protocol (IEN-133) 42 */ 43 #define SEGSIZE 512 /* data segment size */ 44 45 /* 46 * Packet types. 47 */ 48 #define RRQ 01 /* read request */ 49 #define WRQ 02 /* write request */ 50 #define DATA 03 /* data packet */ 51 #define ACK 04 /* acknowledgement */ 52 #define ERROR 05 /* error code */ 53 #define OACK 06 /* option acknowledgement */ 54 55 struct tftphdr { 56 unsigned short th_opcode; /* packet type */ 57 union { 58 unsigned short tu_block; /* block # */ 59 unsigned 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 /* !_TFTP_H_ */ 83
