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      1 /*	$NetBSD: tftp.h,v 1.6 2005/12/11 12:24:46 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996
      5  *	Matthias Drochner.  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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  *
     27  */
     28 
     29 /*	NetBSD: tftp.h,v 1.6 2000/10/18 01:35:46 dogcow Exp 	*/
     30 
     31 /*
     32  * Copyright (c) 1983, 1993
     33  *	The Regents of the University of California.  All rights reserved.
     34  *
     35  * Redistribution and use in source and binary forms, with or without
     36  * modification, are permitted provided that the following conditions
     37  * are met:
     38  * 1. Redistributions of source code must retain the above copyright
     39  *    notice, this list of conditions and the following disclaimer.
     40  * 2. Redistributions in binary form must reproduce the above copyright
     41  *    notice, this list of conditions and the following disclaimer in the
     42  *    documentation and/or other materials provided with the distribution.
     43  * 3. Neither the name of the University nor the names of its contributors
     44  *    may be used to endorse or promote products derived from this software
     45  *    without specific prior written permission.
     46  *
     47  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     48  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     50  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     51  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     52  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     53  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     56  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     57  * SUCH DAMAGE.
     58  *
     59  *	@(#)tftp.h	8.1 (Berkeley) 6/2/93
     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 	short	th_opcode;		/* packet type */
     77 	union {
     78 		unsigned short tu_block; /* block # */
     79 		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 FS_DEF(tftp);
    103 
    104 #define IPPORT_TFTP 69
    105