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78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/*
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* Copyright (c) 2000 Markus Friedl. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "includes.h"
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RCSID("$OpenBSD: dispatch.c,v 1.11 2001/06/10 11:29:20 markus Exp $");
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#include "ssh1.h"
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#include "ssh2.h"
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#include "log.h"
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#include "dispatch.h"
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#include "packet.h"
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#include "compat.h"
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#define DISPATCH_MIN 0
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#define DISPATCH_MAX 255
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dispatch_fn *dispatch[DISPATCH_MAX];
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void
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dispatch_protocol_error(int type, int plen, void *ctxt)
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{
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fatal("dispatch_protocol_error: type %d plen %d", type, plen);
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}
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void
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dispatch_init(dispatch_fn *dflt)
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{
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int i;
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for (i = 0; i < DISPATCH_MAX; i++)
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dispatch[i] = dflt;
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}
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void
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dispatch_set(int type, dispatch_fn *fn)
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{
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dispatch[type] = fn;
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}
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void
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dispatch_run(int mode, int *done, void *ctxt)
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{
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for (;;) {
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int plen;
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int type;
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if (mode == DISPATCH_BLOCK) {
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type = packet_read(&plen);
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} else {
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type = packet_read_poll(&plen);
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if (type == SSH_MSG_NONE)
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return;
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}
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if (type > 0 && type < DISPATCH_MAX && dispatch[type] != NULL)
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(*dispatch[type])(type, plen, ctxt);
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else
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packet_disconnect("protocol error: rcvd type %d", type);
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if (done != NULL && *done)
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return;
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}
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}
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