Annotation of src/usr.bin/ssh/dispatch.c, Revision 1.2.2.1
1.1 markus 1: /*
2: * Copyright (c) 2000 Markus Friedl. All rights reserved.
3: *
4: * Redistribution and use in source and binary forms, with or without
5: * modification, are permitted provided that the following conditions
6: * are met:
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.
12: * 3. All advertising materials mentioning features or use of this software
13: * must display the following acknowledgement:
14: * This product includes software developed by Markus Friedl.
15: * 4. The name of the author may not be used to endorse or promote products
16: * derived from this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28: */
29: #include "includes.h"
1.2.2.1 ! jason 30: RCSID("$OpenBSD: dispatch.c,v 1.3 2000/06/20 01:39:41 markus Exp $");
1.1 markus 31: #include "ssh.h"
32: #include "dispatch.h"
33: #include "packet.h"
34:
35: #define DISPATCH_MIN 0
36: #define DISPATCH_MAX 255
37:
38: dispatch_fn *dispatch[DISPATCH_MAX];
39:
40: void
41: dispatch_protocol_error(int type, int plen)
42: {
43: error("Hm, dispatch protocol error: type %d plen %d", type, plen);
44: }
1.2 markus 45: void
1.1 markus 46: dispatch_init(dispatch_fn *dflt)
47: {
48: int i;
49: for (i = 0; i < DISPATCH_MAX; i++)
50: dispatch[i] = dflt;
51: }
52: void
53: dispatch_set(int type, dispatch_fn *fn)
54: {
55: dispatch[type] = fn;
56: }
57: void
58: dispatch_run(int mode, int *done)
59: {
60: for (;;) {
61: int plen;
62: int type;
63:
64: if (mode == DISPATCH_BLOCK) {
65: type = packet_read(&plen);
66: } else {
67: type = packet_read_poll(&plen);
68: if (type == SSH_MSG_NONE)
69: return;
70: }
71: if (type > 0 && type < DISPATCH_MAX && dispatch[type] != NULL)
72: (*dispatch[type])(type, plen);
73: else
74: packet_disconnect("protocol error: rcvd type %d", type);
75: if (done != NULL && *done)
76: return;
77: }
78: }