| | 1 | /* $NetBSD: tftp.h,v 1.8 2003/08/07 09:44:12 agc 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. Neither the name of the University nor the names of its contributors |
| | 16 | * may be used to endorse or promote products derived from this software |
| | 17 | * without specific prior written permission. |
| | 18 | * |
| | 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 29 | * SUCH DAMAGE. |
| | 30 | * |
| | 31 | * @(#)tftp.h 8.1 (Berkeley) 6/2/93 |
| | 32 | */ |
| | 33 | |
| | 34 | #ifndef _ARPA_TFTP_H_ |
| | 35 | #define _ARPA_TFTP_H_ |
| | 36 | |
| | 37 | /* |
| | 38 | * Trivial File Transfer Protocol (IEN-133) |
| | 39 | */ |
| | 40 | #define SEGSIZE 512 /* data segment size */ |
| | 41 | #define MAXSEGSIZE 65464 /* maximum negotiated data segment size */ |
| | 42 | |
| | 43 | #define PKTSIZE SEGSIZE + 4 |
| | 44 | #define MAXPKTSIZE MAXSEGSIZE + 4 |
| | 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 | #define OACK 06 /* option acknowledgement */ |
| | 55 | |
| | 56 | struct tftphdr { |
| | 57 | short th_opcode; /* packet type */ |
| | 58 | union { |
| | 59 | unsigned short tu_block; /* block # */ |
| | 60 | short 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 | #define EOPTNEG 8 /* option negotiation failed */ |
| | 83 | |
| | 84 | #endif /* _ARPA_TFTP_H_ */ |
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