| Elliott Hughes | 02a3fe9 | 2017-07-05 15:51:44 -0700 | [diff] [blame] | 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_ */ |