2 * Copyright (c) 2000 Markus Friedl. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 RCSID("$OpenBSD: dispatch.c,v 1.16 2003/04/08 20:21:28 itojun Exp $");
34 #define DISPATCH_MIN 0
35 #define DISPATCH_MAX 255
37 dispatch_fn *dispatch[DISPATCH_MAX];
40 dispatch_protocol_error(int type, u_int32_t seq, void *ctxt)
42 logit("dispatch_protocol_error: type %d seq %u", type, seq);
44 fatal("protocol error");
45 packet_start(SSH2_MSG_UNIMPLEMENTED);
51 dispatch_protocol_ignore(int type, u_int32_t seq, void *ctxt)
53 logit("dispatch_protocol_ignore: type %d seq %u", type, seq);
56 dispatch_init(dispatch_fn *dflt)
59 for (i = 0; i < DISPATCH_MAX; i++)
63 dispatch_range(u_int from, u_int to, dispatch_fn *fn)
67 for (i = from; i <= to; i++) {
68 if (i >= DISPATCH_MAX)
74 dispatch_set(int type, dispatch_fn *fn)
79 dispatch_run(int mode, int *done, void *ctxt)
85 if (mode == DISPATCH_BLOCK) {
86 type = packet_read_seqnr(&seqnr);
88 type = packet_read_poll_seqnr(&seqnr);
89 if (type == SSH_MSG_NONE)
92 if (type > 0 && type < DISPATCH_MAX && dispatch[type] != NULL)
93 (*dispatch[type])(type, seqnr, ctxt);
95 packet_disconnect("protocol error: rcvd type %d", type);
96 if (done != NULL && *done)