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tftp.h revision 1.2 
      1 /*	$NetBSD: tftp.h,v 1.2 2003/01/12 18:59:16 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  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed for the NetBSD Project
     18  *	by Matthias Drochner.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  */
     34 
     35 /*	NetBSD: tftp.h,v 1.6 2000/10/18 01:35:46 dogcow Exp 	*/
     36 
     37 /*
     38  * Copyright (c) 1983, 1993
     39  *	The Regents of the University of California.  All rights reserved.
     40  *
     41  * Redistribution and use in source and binary forms, with or without
     42  * modification, are permitted provided that the following conditions
     43  * are met:
     44  * 1. Redistributions of source code must retain the above copyright
     45  *    notice, this list of conditions and the following disclaimer.
     46  * 2. Redistributions in binary form must reproduce the above copyright
     47  *    notice, this list of conditions and the following disclaimer in the
     48  *    documentation and/or other materials provided with the distribution.
     49  * 3. All advertising materials mentioning features or use of this software
     50  *    must display the following acknowledgement:
     51  *	This product includes software developed by the University of
     52  *	California, Berkeley and its contributors.
     53  * 4. Neither the name of the University nor the names of its contributors
     54  *    may be used to endorse or promote products derived from this software
     55  *    without specific prior written permission.
     56  *
     57  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     58  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     59  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     60  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     61  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     62  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     63  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     64  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     65  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     66  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     67  * SUCH DAMAGE.
     68  *
     69  *	@(#)tftp.h	8.1 (Berkeley) 6/2/93
     70  */
     71 /*
     72  * Trivial File Transfer Protocol (IEN-133)
     73  */
     74 #define	SEGSIZE		512		/* data segment size */
     75 
     76 /*
     77  * Packet types.
     78  */
     79 #define	RRQ	01			/* read request */
     80 #define	WRQ	02			/* write request */
     81 #define	DATA	03			/* data packet */
     82 #define	ACK	04			/* acknowledgement */
     83 #define	ERROR	05			/* error code */
     84 
     85 struct	tftphdr {
     86 	short	th_opcode;		/* packet type */
     87 	union {
     88 		unsigned short tu_block; /* block # */
     89 		short	tu_code;	/* error code */
     90 		char	tu_stuff[1];	/* request packet stuff */
     91 	} th_u;
     92 	char	th_data[1];		/* data or error string */
     93 };
     94 
     95 #define	th_block	th_u.tu_block
     96 #define	th_code		th_u.tu_code
     97 #define	th_stuff	th_u.tu_stuff
     98 #define	th_msg		th_data
     99 
    100 /*
    101  * Error codes.
    102  */
    103 #define	EUNDEF		0		/* not defined */
    104 #define	ENOTFOUND	1		/* file not found */
    105 #define	EACCESS		2		/* access violation */
    106 #define	ENOSPACE	3		/* disk full or allocation exceeded */
    107 #define	EBADOP		4		/* illegal TFTP operation */
    108 #define	EBADID		5		/* unknown transfer ID */
    109 #define	EEXISTS		6		/* file already exists */
    110 #define	ENOUSER		7		/* no such user */
    111 
    112 int tftp_open __P((char *path, struct open_file *f));
    113 int tftp_read __P((struct open_file *f, void *addr,
    114 	      size_t size, size_t *resid));
    115 int tftp_close __P((struct open_file *f));
    116 int tftp_write __P((struct open_file *f, void *addr,
    117 	      size_t size, size_t *resid));
    118 int tftp_stat __P((struct open_file *f, struct stat *sb));
    119 off_t tftp_seek __P((struct open_file *f, off_t offset, int where));
    120 
    121 #define IPPORT_TFTP 69
    122