tftp.h revision 313379eb6b9da55f7371adef39a92153a0707d4a 
1/*
2 * Copyright (c) 1983, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 *	@(#)tftp.h	8.1 (Berkeley) 6/2/93
34 */
35
36#ifndef _ARPA_TFTP_H
37#define _ARPA_TFTP_H
38/*
39 * Trivial File Transfer Protocol (IEN-133)
40 */
41#define	SEGSIZE		512		/* data segment size */
42
43/*
44 * Packet types.
45 */
46#define	RRQ	01			/* read request */
47#define	WRQ	02			/* write request */
48#define	DATA	03			/* data packet */
49#define	ACK	04			/* acknowledgement */
50#define	ERROR	05			/* error code */
51
52struct	tftphdr {
53	short	th_opcode;		/* packet type */
54	union {
55		short	tu_block;	/* block # */
56		short	tu_code;	/* error code */
57		char	tu_stuff[1];	/* request packet stuff */
58	} th_u;
59	char	th_data[1];		/* data or error string */
60};
61
62#define	th_block	th_u.tu_block
63#define	th_code		th_u.tu_code
64#define	th_stuff	th_u.tu_stuff
65#define	th_msg		th_data
66
67/*
68 * Error codes.
69 */
70#define	EUNDEF		0		/* not defined */
71#define	ENOTFOUND	1		/* file not found */
72#define	EACCESS		2		/* access violation */
73#define	ENOSPACE	3		/* disk full or allocation exceeded */
74#define	EBADOP		4		/* illegal TFTP operation */
75#define	EBADID		5		/* unknown transfer ID */
76#define	EEXISTS		6		/* file already exists */
77#define	ENOUSER		7		/* no such user */
78
79
80extern int readit(FILE * file, struct tftphdr **dpp, int convert);
81extern void read_ahead(FILE *file, int convert);
82extern int writeit(FILE *file, struct tftphdr **dpp, int ct, int convert);
83extern int write_behind(FILE *file, int convert);
84extern int synchnet(int f);
85extern struct tftphdr *w_init(void);
86extern struct tftphdr *r_init(void);
87
88
89#endif /* _ARPA_TFTP_H */
90