include/arpa/tftp.h

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