xref: /netbsd-src/crypto/external/bsd/openssh/dist/dispatch.h (revision aa36fcac57926c2ee7244eeb1b53bf604da30be9)
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 
33 enum {
34 	DISPATCH_BLOCK,
35 	DISPATCH_NONBLOCK
36 };
37 
38 struct ssh;
39 
40 typedef int dispatch_fn(int, u_int32_t, struct ssh *);
41 
42 int	dispatch_protocol_error(int, u_int32_t, struct ssh *);
43 int	dispatch_protocol_ignore(int, u_int32_t, struct ssh *);
44 void	ssh_dispatch_init(struct ssh *, dispatch_fn *);
45 void	ssh_dispatch_set(struct ssh *, int, dispatch_fn *);
46 void	ssh_dispatch_range(struct ssh *, u_int, u_int, dispatch_fn *);
47 int	ssh_dispatch_run(struct ssh *, int, volatile sig_atomic_t *);
48 void	ssh_dispatch_run_fatal(struct ssh *, int, volatile sig_atomic_t *);
49 
50 #endif
51