include/arpa/tftp.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Copyright (c) 1983, 1993
  27  *      The Regents of the University of California.  All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer.
  34  * 2. Redistributions in binary form must reproduce the above copyright
  35  *    notice, this list of conditions and the following disclaimer in the
  36  *    documentation and/or other materials provided with the distribution.
  37  * 3. All advertising materials mentioning features or use of this software
  38  *    must display the following acknowledgement:
  39  *      This product includes software developed by the University of
  40  *      California, Berkeley and its contributors.
  41  * 4. Neither the name of the University nor the names of its contributors
  42  *    may be used to endorse or promote products derived from this software
  43  *    without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  46  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  47  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  48  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  49  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  55  * SUCH DAMAGE.
  56  *
  57  *      @(#)tftp.h      8.1 (Berkeley) 6/2/93
  58  */
  59
  60 #ifndef _TFTP_H_
  61 #define _TFTP_H_
  62
  63 /*
  64  * Trivial File Transfer Protocol (IEN-133)
  65  */
  66 #define SEGSIZE         512             /* data segment size */
  67
  68 /*
  69  * Packet types.
  70  */
  71 #define RRQ     01                      /* read request */
  72 #define WRQ     02                      /* write request */
  73 #define DATA    03                      /* data packet */
  74 #define ACK     04                      /* acknowledgement */
  75 #define ERROR   05                      /* error code */
  76
  77 struct  tftphdr {
  78         unsigned short  th_opcode;              /* packet type */
  79         union {
  80                 unsigned short  tu_block;       /* block # */
  81                 unsigned short  tu_code;        /* error code */
  82                 char    tu_stuff[1];    /* request packet stuff */
  83         } th_u;
  84         char    th_data[1];             /* data or error string */
  85 };
  86
  87 #define th_block        th_u.tu_block
  88 #define th_code         th_u.tu_code
  89 #define th_stuff        th_u.tu_stuff
  90 #define th_msg          th_data
  91
  92 /*
  93  * Error codes.
  94  */
  95 #define EUNDEF          0               /* not defined */
  96 #define ENOTFOUND       1               /* file not found */
  97 #define EACCESS         2               /* access violation */
  98 #define ENOSPACE        3               /* disk full or allocation exceeded */
  99 #define EBADOP          4               /* illegal TFTP operation */
 100 #define EBADID          5               /* unknown transfer ID */
 101 #define EEXISTS         6               /* file already exists */
 102 #define ENOUSER         7               /* no such user */
 103
 104 #endif /* !_TFTP_H_ */