mirror of git://anongit.mindrot.org/openssh.git
80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2000 Markus Friedl. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
#include "includes.h"
|
|
RCSID("$OpenBSD: dispatch.c,v 1.9 2001/02/04 15:32:23 stevesk Exp $");
|
|
|
|
#include "ssh1.h"
|
|
#include "ssh2.h"
|
|
#include "log.h"
|
|
#include "dispatch.h"
|
|
#include "packet.h"
|
|
#include "compat.h"
|
|
|
|
#define DISPATCH_MIN 0
|
|
#define DISPATCH_MAX 255
|
|
|
|
dispatch_fn *dispatch[DISPATCH_MAX];
|
|
|
|
void
|
|
dispatch_protocol_error(int type, int plen, void *ctxt)
|
|
{
|
|
error("Hm, dispatch protocol error: type %d plen %d", type, plen);
|
|
if (compat20 && type == SSH2_MSG_KEXDH_INIT)
|
|
fatal("dispatch_protocol_error: rekeying is not supported");
|
|
}
|
|
void
|
|
dispatch_init(dispatch_fn *dflt)
|
|
{
|
|
int i;
|
|
for (i = 0; i < DISPATCH_MAX; i++)
|
|
dispatch[i] = dflt;
|
|
}
|
|
void
|
|
dispatch_set(int type, dispatch_fn *fn)
|
|
{
|
|
dispatch[type] = fn;
|
|
}
|
|
void
|
|
dispatch_run(int mode, int *done, void *ctxt)
|
|
{
|
|
for (;;) {
|
|
int plen;
|
|
int type;
|
|
|
|
if (mode == DISPATCH_BLOCK) {
|
|
type = packet_read(&plen);
|
|
} else {
|
|
type = packet_read_poll(&plen);
|
|
if (type == SSH_MSG_NONE)
|
|
return;
|
|
}
|
|
if (type > 0 && type < DISPATCH_MAX && dispatch[type] != NULL)
|
|
(*dispatch[type])(type, plen, ctxt);
|
|
else
|
|
packet_disconnect("protocol error: rcvd type %d", type);
|
|
if (done != NULL && *done)
|
|
return;
|
|
}
|
|
}
|