1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
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
32#ifndef	_PROTO_IMPL_H_
33#define	_PROTO_IMPL_H_
34
35#include <sys/queue.h>
36
37#include <stdbool.h>	/* bool */
38#include <stdlib.h>	/* size_t */
39
40#define	__constructor	__attribute__((constructor))
41
42typedef int prt_client_t(const char *, const char *, void **);
43typedef int prt_connect_t(void *, int);
44typedef int prt_connect_wait_t(void *, int);
45typedef int prt_server_t(const char *, void **);
46typedef int prt_accept_t(void *, void **);
47typedef int prt_wrap_t(int, bool, void **);
48typedef int prt_send_t(void *, const unsigned char *, size_t, int);
49typedef int prt_recv_t(void *, unsigned char *, size_t, int *);
50typedef int prt_descriptor_t(const void *);
51typedef bool prt_address_match_t(const void *, const char *);
52typedef void prt_local_address_t(const void *, char *, size_t);
53typedef void prt_remote_address_t(const void *, char *, size_t);
54typedef void prt_close_t(void *);
55
56struct proto {
57	const char		*prt_name;
58	prt_client_t		*prt_client;
59	prt_connect_t		*prt_connect;
60	prt_connect_wait_t	*prt_connect_wait;
61	prt_server_t		*prt_server;
62	prt_accept_t		*prt_accept;
63	prt_wrap_t		*prt_wrap;
64	prt_send_t		*prt_send;
65	prt_recv_t		*prt_recv;
66	prt_descriptor_t	*prt_descriptor;
67	prt_address_match_t	*prt_address_match;
68	prt_local_address_t	*prt_local_address;
69	prt_remote_address_t	*prt_remote_address;
70	prt_close_t		*prt_close;
71	TAILQ_ENTRY(proto)	 prt_next;
72};
73
74void proto_register(struct proto *proto, bool isdefault);
75
76int proto_common_send(int sock, const unsigned char *data, size_t size, int fd);
77int proto_common_recv(int sock, unsigned char *data, size_t size, int *fdp);
78
79#endif	/* !_PROTO_IMPL_H_ */
80