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