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- /* $OpenBSD: tftp.h,v 1.4 2003/06/02 19:34:12 millert Exp $ */
- /* $NetBSD: tftp.h,v 1.3 1994/10/26 00:56:48 cgd Exp $ */
-
- /*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)tftp.h 5.4 (Berkeley) 4/3/91
- */
-
- #ifndef _TFTP_H_
- #define _TFTP_H_
-
- /*
- * Trivial File Transfer Protocol (IEN-133)
- */
- #define SEGSIZE 512 /* data segment size */
-
- /*
- * Packet types.
- */
- #define RRQ 01 /* read request */
- #define WRQ 02 /* write request */
- #define DATA 03 /* data packet */
- #define ACK 04 /* acknowledgement */
- #define ERROR 05 /* error code */
-
- struct tftphdr {
- u_int16_t th_opcode; /* packet type */
- union {
- u_int16_t tu_block; /* block # */
- u_int16_t tu_code; /* error code */
- char tu_stuff[1]; /* request packet stuff */
- } th_u;
- char th_data[1]; /* data or error string */
- };
-
- #define th_block th_u.tu_block
- #define th_code th_u.tu_code
- #define th_stuff th_u.tu_stuff
- #define th_msg th_data
-
- /*
- * Error codes.
- */
- #define EUNDEF 0 /* not defined */
- #define ENOTFOUND 1 /* file not found */
- #define EACCESS 2 /* access violation */
- #define ENOSPACE 3 /* disk full or allocation exceeded */
- #define EBADOP 4 /* illegal TFTP operation */
- #define EBADID 5 /* unknown transfer ID */
- #define EEXISTS 6 /* file already exists */
- #define ENOUSER 7 /* no such user */
-
- #endif /* !_TFTP_H_ */
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