1/*	$NetBSD: dispatch.h,v 1.8 2019/04/20 17:16:40 christos Exp $	*/
2/* $OpenBSD: dispatch.h,v 1.15 2019/01/19 21:45:31 djm Exp $ */
3
4/*
5 * Copyright (c) 2000 Markus Friedl.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef DISPATCH_H
29#define DISPATCH_H
30
31#define DISPATCH_MAX	255
32
33enum {
34	DISPATCH_BLOCK,
35	DISPATCH_NONBLOCK
36};
37
38struct ssh;
39
40typedef int dispatch_fn(int, u_int32_t, struct ssh *);
41
42int	dispatch_protocol_error(int, u_int32_t, struct ssh *);
43int	dispatch_protocol_ignore(int, u_int32_t, struct ssh *);
44void	ssh_dispatch_init(struct ssh *, dispatch_fn *);
45void	ssh_dispatch_set(struct ssh *, int, dispatch_fn *);
46void	ssh_dispatch_range(struct ssh *, u_int, u_int, dispatch_fn *);
47int	ssh_dispatch_run(struct ssh *, int, volatile sig_atomic_t *);
48void	ssh_dispatch_run_fatal(struct ssh *, int, volatile sig_atomic_t *);
49
50#endif
51