1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2009-2010 The FreeBSD Foundation
5 * All rights reserved.
6 *
7 * This software was developed by Pawel Jakub Dawidek under sponsorship from
8 * the FreeBSD Foundation.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD: stable/11/sbin/hastd/proto_impl.h 330449 2018-03-05 07:26:05Z eadler $
32 */
33
34#ifndef	_PROTO_IMPL_H_
35#define	_PROTO_IMPL_H_
36
37#include <sys/queue.h>
38
39#include <stdbool.h>	/* bool */
40#include <stdlib.h>	/* size_t */
41
42#define	__constructor	__attribute__((constructor))
43
44typedef int prt_client_t(const char *, const char *, void **);
45typedef int prt_connect_t(void *, int);
46typedef int prt_connect_wait_t(void *, int);
47typedef int prt_server_t(const char *, void **);
48typedef int prt_accept_t(void *, void **);
49typedef int prt_wrap_t(int, bool, void **);
50typedef int prt_send_t(void *, const unsigned char *, size_t, int);
51typedef int prt_recv_t(void *, unsigned char *, size_t, int *);
52typedef int prt_descriptor_t(const void *);
53typedef bool prt_address_match_t(const void *, const char *);
54typedef void prt_local_address_t(const void *, char *, size_t);
55typedef void prt_remote_address_t(const void *, char *, size_t);
56typedef void prt_close_t(void *);
57
58struct proto {
59	const char		*prt_name;
60	prt_client_t		*prt_client;
61	prt_connect_t		*prt_connect;
62	prt_connect_wait_t	*prt_connect_wait;
63	prt_server_t		*prt_server;
64	prt_accept_t		*prt_accept;
65	prt_wrap_t		*prt_wrap;
66	prt_send_t		*prt_send;
67	prt_recv_t		*prt_recv;
68	prt_descriptor_t	*prt_descriptor;
69	prt_address_match_t	*prt_address_match;
70	prt_local_address_t	*prt_local_address;
71	prt_remote_address_t	*prt_remote_address;
72	prt_close_t		*prt_close;
73	TAILQ_ENTRY(proto)	 prt_next;
74};
75
76void proto_register(struct proto *proto, bool isdefault);
77
78int proto_common_send(int sock, const unsigned char *data, size_t size, int fd);
79int proto_common_recv(int sock, unsigned char *data, size_t size, int *fdp);
80
81#endif	/* !_PROTO_IMPL_H_ */
82