xref: /freebsd/include/arpa/tftp.h (revision d88dbcf04333f6db039c7accdb26a96e57c82c2b)
159deaec5SRodney W. Grimes /*
259deaec5SRodney W. Grimes  * Copyright (c) 1983, 1993
359deaec5SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
459deaec5SRodney W. Grimes  *
559deaec5SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
659deaec5SRodney W. Grimes  * modification, are permitted provided that the following conditions
759deaec5SRodney W. Grimes  * are met:
859deaec5SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
959deaec5SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
1059deaec5SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
1159deaec5SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
1259deaec5SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
1359deaec5SRodney W. Grimes  * 3. All advertising materials mentioning features or use of this software
1459deaec5SRodney W. Grimes  *    must display the following acknowledgement:
1559deaec5SRodney W. Grimes  *	This product includes software developed by the University of
1659deaec5SRodney W. Grimes  *	California, Berkeley and its contributors.
1759deaec5SRodney W. Grimes  * 4. Neither the name of the University nor the names of its contributors
1859deaec5SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
1959deaec5SRodney W. Grimes  *    without specific prior written permission.
2059deaec5SRodney W. Grimes  *
2159deaec5SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2259deaec5SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2359deaec5SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2459deaec5SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2559deaec5SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2659deaec5SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2759deaec5SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2859deaec5SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2959deaec5SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3059deaec5SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3159deaec5SRodney W. Grimes  * SUCH DAMAGE.
3259deaec5SRodney W. Grimes  *
3359deaec5SRodney W. Grimes  *	@(#)tftp.h	8.1 (Berkeley) 6/2/93
3459deaec5SRodney W. Grimes  */
3559deaec5SRodney W. Grimes 
36385e380aSPaul Richards #ifndef _ARPA_TFTP_H_
37385e380aSPaul Richards #define	_ARPA_TFTP_H_
3859deaec5SRodney W. Grimes 
3959deaec5SRodney W. Grimes /*
4059deaec5SRodney W. Grimes  * Trivial File Transfer Protocol (IEN-133)
4159deaec5SRodney W. Grimes  */
4259deaec5SRodney W. Grimes #define	SEGSIZE		512		/* data segment size */
4359deaec5SRodney W. Grimes 
4459deaec5SRodney W. Grimes /*
4559deaec5SRodney W. Grimes  * Packet types.
4659deaec5SRodney W. Grimes  */
4759deaec5SRodney W. Grimes #define	RRQ	01			/* read request */
4859deaec5SRodney W. Grimes #define	WRQ	02			/* write request */
4959deaec5SRodney W. Grimes #define	DATA	03			/* data packet */
5059deaec5SRodney W. Grimes #define	ACK	04			/* acknowledgement */
5159deaec5SRodney W. Grimes #define	ERROR	05			/* error code */
5259deaec5SRodney W. Grimes 
5359deaec5SRodney W. Grimes struct	tftphdr {
54d88dbcf0SJoerg Wunsch 	unsigned short	th_opcode;		/* packet type */
5559deaec5SRodney W. Grimes 	union {
56d88dbcf0SJoerg Wunsch 		unsigned short	tu_block;	/* block # */
57d88dbcf0SJoerg Wunsch 		unsigned short	tu_code;	/* error code */
5859deaec5SRodney W. Grimes 		char	tu_stuff[1];	/* request packet stuff */
5959deaec5SRodney W. Grimes 	} th_u;
6059deaec5SRodney W. Grimes 	char	th_data[1];		/* data or error string */
6159deaec5SRodney W. Grimes };
6259deaec5SRodney W. Grimes 
6359deaec5SRodney W. Grimes #define	th_block	th_u.tu_block
6459deaec5SRodney W. Grimes #define	th_code		th_u.tu_code
6559deaec5SRodney W. Grimes #define	th_stuff	th_u.tu_stuff
6659deaec5SRodney W. Grimes #define	th_msg		th_data
6759deaec5SRodney W. Grimes 
6859deaec5SRodney W. Grimes /*
6959deaec5SRodney W. Grimes  * Error codes.
7059deaec5SRodney W. Grimes  */
7159deaec5SRodney W. Grimes #define	EUNDEF		0		/* not defined */
7259deaec5SRodney W. Grimes #define	ENOTFOUND	1		/* file not found */
7359deaec5SRodney W. Grimes #define	EACCESS		2		/* access violation */
7459deaec5SRodney W. Grimes #define	ENOSPACE	3		/* disk full or allocation exceeded */
7559deaec5SRodney W. Grimes #define	EBADOP		4		/* illegal TFTP operation */
7659deaec5SRodney W. Grimes #define	EBADID		5		/* unknown transfer ID */
7759deaec5SRodney W. Grimes #define	EEXISTS		6		/* file already exists */
7859deaec5SRodney W. Grimes #define	ENOUSER		7		/* no such user */
7959deaec5SRodney W. Grimes 
8059deaec5SRodney W. Grimes #endif /* !_TFTP_H_ */
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