From b38eff8e4ff901df9cf1113a9f14d64c3565a401 Mon Sep 17 00:00:00 2001 From: Damien Miller Date: Sat, 1 Apr 2000 11:09:21 +1000 Subject: - Big OpenBSD CVS update (mainly beginnings of SSH2 infrastructure) - [auth.c session.c sshd.c auth.h] split sshd.c -> auth.c session.c sshd.c plus cleanup and goto-removal - [bufaux.c bufaux.h] support ssh2 bignums - [channels.c channels.h clientloop.c sshd.c nchan.c nchan.h packet.c] [readconf.c ssh.c ssh.h serverloop.c] replace big switch() with function tables (prepare for ssh2) - [ssh2.h] ssh2 message type codes - [sshd.8] reorder Xr to avoid cutting - [serverloop.c] close(fdin) if fdin != fdout, shutdown otherwise, ok theo@ - [channels.c] missing close allow bigger packets - [cipher.c cipher.h] support ssh2 ciphers - [compress.c] cleanup, less code - [dispatch.c dispatch.h] function tables for different message types - [log-server.c] do not log() if debuggin to stderr rename a cpp symbol, to avoid param.h collision - [mpaux.c] KNF - [nchan.c] sync w/ channels.c --- dispatch.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 dispatch.c (limited to 'dispatch.c') diff --git a/dispatch.c b/dispatch.c new file mode 100644 index 000000000..8594f986e --- /dev/null +++ b/dispatch.c @@ -0,0 +1,78 @@ +/* + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Markus Friedl. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * 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("$Id: dispatch.c,v 1.1 2000/04/01 01:09:24 damien Exp $"); +#include "ssh.h" +#include "dispatch.h" +#include "packet.h" + +#define DISPATCH_MIN 0 +#define DISPATCH_MAX 255 + +dispatch_fn *dispatch[DISPATCH_MAX]; + +void +dispatch_protocol_error(int type, int plen) +{ + error("Hm, dispatch protocol error: type %d plen %d", type, plen); +} +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) +{ + 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); + else + packet_disconnect("protocol error: rcvd type %d", type); + if (done != NULL && *done) + return; + } +} -- cgit v1.2.3