xref: /freebsd/include/arpa/tftp.h (revision 5a1d1441)
1981e34b9SPedro F. Giffuni /*-
22321c474SPedro F. Giffuni  * SPDX-License-Identifier: BSD-3-Clause
32321c474SPedro F. Giffuni  *
459deaec5SRodney W. Grimes  * Copyright (c) 1983, 1993
559deaec5SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
659deaec5SRodney W. Grimes  *
759deaec5SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
859deaec5SRodney W. Grimes  * modification, are permitted provided that the following conditions
959deaec5SRodney W. Grimes  * are met:
1059deaec5SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
1159deaec5SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
1259deaec5SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
1359deaec5SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
1459deaec5SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
152cca9f8fSWarner Losh  * 3. Neither the name of the University nor the names of its contributors
1659deaec5SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
1759deaec5SRodney W. Grimes  *    without specific prior written permission.
1859deaec5SRodney W. Grimes  *
1959deaec5SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2059deaec5SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2159deaec5SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2259deaec5SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2359deaec5SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2459deaec5SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2559deaec5SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2659deaec5SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2759deaec5SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2859deaec5SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2959deaec5SRodney W. Grimes  * SUCH DAMAGE.
3059deaec5SRodney W. Grimes  */
3159deaec5SRodney W. Grimes 
32385e380aSPaul Richards #ifndef _ARPA_TFTP_H_
33385e380aSPaul Richards #define	_ARPA_TFTP_H_
3459deaec5SRodney W. Grimes 
356ed0f50fSEd Schouten #include <sys/cdefs.h>
366ed0f50fSEd Schouten 
3759deaec5SRodney W. Grimes /*
3859deaec5SRodney W. Grimes  * Trivial File Transfer Protocol (IEN-133)
3959deaec5SRodney W. Grimes  */
4059deaec5SRodney W. Grimes #define	SEGSIZE		512		/* data segment size */
4159deaec5SRodney W. Grimes 
4259deaec5SRodney W. Grimes /*
4359deaec5SRodney W. Grimes  * Packet types.
4459deaec5SRodney W. Grimes  */
4559deaec5SRodney W. Grimes #define	RRQ	01			/* read request */
4659deaec5SRodney W. Grimes #define	WRQ	02			/* write request */
4759deaec5SRodney W. Grimes #define	DATA	03			/* data packet */
4859deaec5SRodney W. Grimes #define	ACK	04			/* acknowledgement */
4959deaec5SRodney W. Grimes #define	ERROR	05			/* error code */
50c9374115SDavid E. O'Brien #define	OACK	06			/* option acknowledgement */
5159deaec5SRodney W. Grimes 
5259deaec5SRodney W. Grimes struct tftphdr {
53d88dbcf0SJoerg Wunsch 	unsigned short	th_opcode;		/* packet type */
5459deaec5SRodney W. Grimes 	union {
55d88dbcf0SJoerg Wunsch 		unsigned short	tu_block;	/* block # */
56d88dbcf0SJoerg Wunsch 		unsigned short	tu_code;	/* error code */
5759deaec5SRodney W. Grimes 		char	tu_stuff[1];	/* request packet stuff */
581b2d5599SBernd Walter 	} __packed th_u;
5959deaec5SRodney W. Grimes 	char	th_data[1];		/* data or error string */
601b2d5599SBernd Walter } __packed;
6159deaec5SRodney W. Grimes 
6259deaec5SRodney W. Grimes #define	th_block	th_u.tu_block
6359deaec5SRodney W. Grimes #define	th_code		th_u.tu_code
6459deaec5SRodney W. Grimes #define	th_stuff	th_u.tu_stuff
6559deaec5SRodney W. Grimes #define	th_msg		th_data
6659deaec5SRodney W. Grimes 
6759deaec5SRodney W. Grimes /*
6859deaec5SRodney W. Grimes  * Error codes.
6959deaec5SRodney W. Grimes  */
7059deaec5SRodney W. Grimes #define	EUNDEF		0		/* not defined */
7159deaec5SRodney W. Grimes #define	ENOTFOUND	1		/* file not found */
7259deaec5SRodney W. Grimes #define	EACCESS		2		/* access violation */
7359deaec5SRodney W. Grimes #define	ENOSPACE	3		/* disk full or allocation exceeded */
7459deaec5SRodney W. Grimes #define	EBADOP		4		/* illegal TFTP operation */
7559deaec5SRodney W. Grimes #define	EBADID		5		/* unknown transfer ID */
7659deaec5SRodney W. Grimes #define	EEXISTS		6		/* file already exists */
7759deaec5SRodney W. Grimes #define	ENOUSER		7		/* no such user */
78c9374115SDavid E. O'Brien #define	EOPTNEG		8		/* option negotiation failed */
7959deaec5SRodney W. Grimes 
8059deaec5SRodney W. Grimes #endif /* !_TFTP_H_ */
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