tftp-io.h revision 302408 
1/*
2 * Copyright (C) 2008 Edwin Groothuis. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD: stable/11/libexec/tftpd/tftp-io.h 207614 2010-05-04 13:07:40Z imp $");
28
29#define RP_NONE		0
30#define	RP_RECVFROM	-1
31#define	RP_TOOSMALL	-2
32#define RP_ERROR	-3
33#define RP_WRONGSOURCE	-4
34#define	RP_TIMEOUT	-5
35#define	RP_TOOBIG	-6
36
37const char *errtomsg(int);
38void	send_error(int peer, int);
39int	send_wrq(int peer, char *, char *);
40int	send_rrq(int peer, char *, char *);
41int	send_oack(int peer);
42int	send_ack(int peer, unsigned short);
43int	send_data(int peer, uint16_t, char *, int);
44int	receive_packet(int peer, char *, int, struct sockaddr_storage *, int);
45
46extern struct sockaddr_storage peer_sock;
47extern struct sockaddr_storage me_sock;
48