1 /* $NetBSD: dispatch.h,v 1.7 2017/10/07 19:39:19 christos Exp $ */ 2 /* $OpenBSD: dispatch.h,v 1.14 2017/05/31 07:00:13 markus 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 #define dispatch_init(dflt) \ 51 ssh_dispatch_init(active_state, (dflt)) 52 #define dispatch_range(from, to, fn) \ 53 ssh_dispatch_range(active_state, (from), (to), (fn)) 54 #define dispatch_set(type, fn) \ 55 ssh_dispatch_set(active_state, (type), (fn)) 56 57 #endif 58