openssh/dispatch.c
Damien Miller 225736c73a - OpenBSD CVS Sync:
- reinhard@cvs.openbsd.org        2001/02/17 08:24:40
     [sftp.1]
     typo
   - deraadt@cvs.openbsd.org 2001/02/17 16:28:58
     [ssh.c]
     cleanup -V output; noted by millert
   - deraadt@cvs.openbsd.org 2001/02/17 16:48:48
     [sshd.8]
     it's the OpenSSH one
   - markus@cvs.openbsd.org  2001/02/18 11:33:54
     [dispatch.c]
     typo, SSH2_MSG_KEXINIT, from aspa@kronodoc.fi
   - markus@cvs.openbsd.org  2001/02/19 02:53:32
     [compat.c compat.h serverloop.c]
     ssh-1.2.{18-22} has broken handling of ignore messages; report from
     itojun@
   - markus@cvs.openbsd.org  2001/02/19 03:35:23
     [version.h]
     OpenSSH_2.5.1 adds bug compat with 1.2.{18-22}
   - deraadt@cvs.openbsd.org 2001/02/19 03:36:25
     [scp.c]
     np is changed by recursion; vinschen@redhat.com
2001-02-19 21:51:08 +11:00

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 1.10 2001/02/18 18:33:53 markus 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_KEXINIT)
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;
}
}