1*e6209940SPedro F. Giffuni /*- 2*e6209940SPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3*e6209940SPedro F. Giffuni * 4e7ff5475SWarner Losh * Copyright (C) 2008 Edwin Groothuis. All rights reserved. 5e7ff5475SWarner Losh * 6e7ff5475SWarner Losh * Redistribution and use in source and binary forms, with or without 7e7ff5475SWarner Losh * modification, are permitted provided that the following conditions 8e7ff5475SWarner Losh * are met: 9e7ff5475SWarner Losh * 1. Redistributions of source code must retain the above copyright 10e7ff5475SWarner Losh * notice, this list of conditions and the following disclaimer. 11e7ff5475SWarner Losh * 2. Redistributions in binary form must reproduce the above copyright 12e7ff5475SWarner Losh * notice, this list of conditions and the following disclaimer in the 13e7ff5475SWarner Losh * documentation and/or other materials provided with the distribution. 14e7ff5475SWarner Losh * 15e7ff5475SWarner Losh * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16e7ff5475SWarner Losh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17e7ff5475SWarner Losh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18e7ff5475SWarner Losh * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 19e7ff5475SWarner Losh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20e7ff5475SWarner Losh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21e7ff5475SWarner Losh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22e7ff5475SWarner Losh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23e7ff5475SWarner Losh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24e7ff5475SWarner Losh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25e7ff5475SWarner Losh * SUCH DAMAGE. 26e7ff5475SWarner Losh */ 27e7ff5475SWarner Losh 28e7ff5475SWarner Losh #include <sys/cdefs.h> 29e7ff5475SWarner Losh __FBSDID("$FreeBSD$"); 30e7ff5475SWarner Losh 31e7ff5475SWarner Losh #define RP_NONE 0 32e7ff5475SWarner Losh #define RP_RECVFROM -1 33e7ff5475SWarner Losh #define RP_TOOSMALL -2 34e7ff5475SWarner Losh #define RP_ERROR -3 35e7ff5475SWarner Losh #define RP_WRONGSOURCE -4 36e7ff5475SWarner Losh #define RP_TIMEOUT -5 37e7ff5475SWarner Losh #define RP_TOOBIG -6 38e7ff5475SWarner Losh 39e7ff5475SWarner Losh const char *errtomsg(int); 40e7ff5475SWarner Losh void send_error(int peer, int); 41e7ff5475SWarner Losh int send_wrq(int peer, char *, char *); 42e7ff5475SWarner Losh int send_rrq(int peer, char *, char *); 43e7ff5475SWarner Losh int send_oack(int peer); 44e7ff5475SWarner Losh int send_ack(int peer, unsigned short); 45e7ff5475SWarner Losh int send_data(int peer, uint16_t, char *, int); 46e7ff5475SWarner Losh int receive_packet(int peer, char *, int, struct sockaddr_storage *, int); 47e7ff5475SWarner Losh 48e7ff5475SWarner Losh extern struct sockaddr_storage peer_sock; 49e7ff5475SWarner Losh extern struct sockaddr_storage me_sock; 50