xref: /onnv-gate/usr/src/cmd/cmd-inet/common/tftpcommon.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2001-2002 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef _TFTPCOMMON_H
28*0Sstevel@tonic-gate #define	_TFTPCOMMON_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate /*
33*0Sstevel@tonic-gate  * Defines and function declarations common to tftp and in.tftpd.
34*0Sstevel@tonic-gate  */
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #ifdef __cplusplus
37*0Sstevel@tonic-gate extern "C" {
38*0Sstevel@tonic-gate #endif
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #include <arpa/tftp.h>
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #define	MIN_BLKSIZE	8			/* RFC 2348 */
43*0Sstevel@tonic-gate #define	MAX_BLKSIZE	65464			/* RFC 2348 */
44*0Sstevel@tonic-gate #define	MIN_TIMEOUT	1			/* RFC 2349 */
45*0Sstevel@tonic-gate #define	MAX_TIMEOUT	255			/* RFC 2349 */
46*0Sstevel@tonic-gate #define	PKTSIZE		(MAX_BLKSIZE + 4)	/* DATA packet max size */
47*0Sstevel@tonic-gate #define	MAX_OPTVAL_LEN	32			/* Option value max length */
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate /* Format when printing an off_t */
50*0Sstevel@tonic-gate #if _FILE_OFFSET_BITS == 64
51*0Sstevel@tonic-gate #define	OFF_T_FMT	"%lld"
52*0Sstevel@tonic-gate #else
53*0Sstevel@tonic-gate #define	OFF_T_FMT	"%ld"
54*0Sstevel@tonic-gate #endif
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate typedef union {
57*0Sstevel@tonic-gate 	struct tftphdr	tb_hdr;
58*0Sstevel@tonic-gate 	char		tb_data[PKTSIZE];
59*0Sstevel@tonic-gate } tftpbuf;
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate struct errmsg {
62*0Sstevel@tonic-gate 	int	e_code;
63*0Sstevel@tonic-gate 	char	*e_msg;
64*0Sstevel@tonic-gate };
65*0Sstevel@tonic-gate extern struct errmsg	errmsgs[];
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate /* Declarations for shared functions in tftpsubs.c */
68*0Sstevel@tonic-gate extern struct tftphdr	*w_init(void);
69*0Sstevel@tonic-gate extern struct tftphdr	*r_init(void);
70*0Sstevel@tonic-gate extern int		readit(FILE *, struct tftphdr **, int);
71*0Sstevel@tonic-gate extern void		read_ahead(FILE *, int);
72*0Sstevel@tonic-gate extern int		writeit(FILE *, struct tftphdr **, int, int);
73*0Sstevel@tonic-gate extern int		write_behind(FILE *, int);
74*0Sstevel@tonic-gate extern int		synchnet(int);
75*0Sstevel@tonic-gate extern char		*next_field(const char *, const char *);
76*0Sstevel@tonic-gate extern void		print_options(FILE *, char *, int);
77*0Sstevel@tonic-gate extern void		cancel_alarm(void);
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate #ifdef __cplusplus
80*0Sstevel@tonic-gate }
81*0Sstevel@tonic-gate #endif
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate #endif /* _TFTPCOMMON_H */
84