X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/6ae2364d36eaebbbc830a417d5a01ebf3cc84e5f..HEAD:/dispatch.c diff --git a/dispatch.c b/dispatch.c index b1e34608..64bb8094 100644 --- a/dispatch.c +++ b/dispatch.c @@ -1,3 +1,4 @@ +/* $OpenBSD: dispatch.c,v 1.22 2008/10/31 15:05:34 stevesk Exp $ */ /* * Copyright (c) 2000 Markus Friedl. All rights reserved. * @@ -9,11 +10,6 @@ * 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 @@ -26,52 +22,82 @@ * (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("$Id$"); -#include "ssh.h" + +#include + +#include +#include + +#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) +dispatch_protocol_error(int type, u_int32_t seq, void *ctxt) +{ + logit("dispatch_protocol_error: type %d seq %u", type, seq); + if (!compat20) + fatal("protocol error"); + packet_start(SSH2_MSG_UNIMPLEMENTED); + packet_put_int(seq); + packet_send(); + packet_write_wait(); +} +void +dispatch_protocol_ignore(int type, u_int32_t seq, void *ctxt) { - error("Hm, dispatch protocol error: type %d plen %d", type, plen); + logit("dispatch_protocol_ignore: type %d seq %u", type, seq); } void dispatch_init(dispatch_fn *dflt) { - int i; + u_int i; for (i = 0; i < DISPATCH_MAX; i++) dispatch[i] = dflt; } void +dispatch_range(u_int from, u_int to, dispatch_fn *fn) +{ + u_int i; + + for (i = from; i <= to; i++) { + if (i >= DISPATCH_MAX) + break; + dispatch[i] = fn; + } +} +void dispatch_set(int type, dispatch_fn *fn) { dispatch[type] = fn; } void -dispatch_run(int mode, int *done) +dispatch_run(int mode, volatile sig_atomic_t *done, void *ctxt) { for (;;) { - int plen; int type; + u_int32_t seqnr; if (mode == DISPATCH_BLOCK) { - type = packet_read(&plen); + type = packet_read_seqnr(&seqnr); } else { - type = packet_read_poll(&plen); + type = packet_read_poll_seqnr(&seqnr); if (type == SSH_MSG_NONE) return; } if (type > 0 && type < DISPATCH_MAX && dispatch[type] != NULL) - (*dispatch[type])(type, plen); + (*dispatch[type])(type, seqnr, ctxt); else - packet_disconnect("protocol error: rcvd type %d", type); + packet_disconnect("protocol error: rcvd type %d", type); if (done != NULL && *done) return; }