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- dtucker@cvs.openbsd.org 2008/02/22 20:44:02 

[clientloop.c packet.c packet.h serverloop.c]
     Allow all SSH2 packet types, including UNIMPLEMENTED to reset the
     keepalive timer (bz #1307).  ok markus@
This commit is contained in:
Damien Miller 2008-03-07 18:33:30 +11:00
parent 7cb2b56b1c
commit 58226f6068
5 changed files with 18 additions and 11 deletions
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6
ChangeLog
View File

@ -21,6 +21,10 @@
[session.c]
closefrom() call was too early, delay it until just before we execute
the user's rc files (if any).
- dtucker@cvs.openbsd.org 2008/02/22 20:44:02
[clientloop.c packet.c packet.h serverloop.c]
Allow all SSH2 packet types, including UNIMPLEMENTED to reset the
keepalive timer (bz #1307). ok markus@
20080302
- (dtucker) [configure.ac] FreeBSD's glob() doesn't behave the way we expect
@ -3681,4 +3685,4 @@
OpenServer 6 and add osr5bigcrypt support so when someone migrates
passwords between UnixWare and OpenServer they will still work. OK dtucker@
$Id: ChangeLog,v 1.4855 2008/03/07 07:33:12 djm Exp $
$Id: ChangeLog,v 1.4856 2008/03/07 07:33:30 djm Exp $

7
clientloop.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: clientloop.c,v 1.187 2008/01/23 01:56:54 dtucker Exp $ */
/* $OpenBSD: clientloop.c,v 1.188 2008/02/22 20:44:02 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -157,7 +157,6 @@ static int connection_in; /* Connection to server (input). */
static int connection_out; /* Connection to server (output). */
static int need_rekeying; /* Set to non-zero if rekeying is requested. */
static int session_closed = 0; /* In SSH2: login session closed. */
static int server_alive_timeouts = 0;
static void client_init_dispatch(void);
int session_ident = -1;
@ -467,14 +466,14 @@ client_check_window_change(void)
static void
client_global_request_reply(int type, u_int32_t seq, void *ctxt)
{
server_alive_timeouts = 0;
keep_alive_timeouts = 0;
client_global_request_reply_fwd(type, seq, ctxt);
}
static void
server_alive_check(void)
{
if (++server_alive_timeouts > options.server_alive_count_max) {
if (++keep_alive_timeouts > options.server_alive_count_max) {
logit("Timeout, server not responding.");
cleanup_exit(255);
}

6
packet.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: packet.c,v 1.150 2008/01/23 01:56:54 dtucker Exp $ */
/* $OpenBSD: packet.c,v 1.151 2008/02/22 20:44:02 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -136,6 +136,8 @@ static int server_side = 0;
/* Set to true if we are authenticated. */
static int after_authentication = 0;
int keep_alive_timeouts = 0;
/* Session key information for Encryption and MAC */
Newkeys *newkeys[MODE_MAX];
static struct packet_state {
@ -1192,10 +1194,12 @@ packet_read_poll_seqnr(u_int32_t *seqnr_p)
for (;;) {
if (compat20) {
type = packet_read_poll2(seqnr_p);
keep_alive_timeouts = 0;
if (type)
DBG(debug("received packet type %d", type));
switch (type) {
case SSH2_MSG_IGNORE:
debug3("Received SSH2_MSG_IGNORE");
break;
case SSH2_MSG_DEBUG:
packet_get_char();

3
packet.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: packet.h,v 1.45 2006/03/25 22:22:43 djm Exp $ */
/* $OpenBSD: packet.h,v 1.46 2008/02/22 20:44:02 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -86,6 +86,7 @@ void tty_make_modes(int, struct termios *);
void tty_parse_modes(int, int *);
extern u_int max_packet_size;
extern int keep_alive_timeouts;
int packet_set_maxsize(u_int);
#define packet_get_maxsize() max_packet_size

7
serverloop.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: serverloop.c,v 1.147 2008/01/23 01:56:54 dtucker Exp $ */
/* $OpenBSD: serverloop.c,v 1.148 2008/02/22 20:44:02 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -104,7 +104,6 @@ static int connection_in; /* Connection to client (input). */
static int connection_out; /* Connection to client (output). */
static int connection_closed = 0; /* Connection to client closed. */
static u_int buffer_high; /* "Soft" max buffer size. */
static int client_alive_timeouts = 0;
/*
* This SIGCHLD kludge is used to detect when the child exits. The server
@ -248,7 +247,7 @@ client_alive_check(void)
int channel_id;
/* timeout, check to see how many we have had */
if (++client_alive_timeouts > options.client_alive_count_max) {
if (++keep_alive_timeouts > options.client_alive_count_max) {
logit("Timeout, client not responding.");
cleanup_exit(255);
}
@ -887,7 +886,7 @@ server_input_keep_alive(int type, u_int32_t seq, void *ctxt)
* even if this was generated by something other than
* the bogus CHANNEL_REQUEST we send for keepalives.
*/
client_alive_timeouts = 0;
keep_alive_timeouts = 0;
}
static void