1 files changed, 20 insertions, 13 deletions

diff --git a/clientloop.c b/clientloop.c
index e5ea74e26..a55fe9995 100644
--- a/clientloop.c
+++ b/clientloop.c
@@ -507,16 +507,21 @@ client_global_request_reply(int type, u_int32_t seq, void *ctxt)
 static void
 server_alive_check(void)
 {
-        if (packet_inc_alive_timeouts() > options.server_alive_count_max) {
-                logit("Timeout, server not responding.");
-                cleanup_exit(255);
+        if (compat20) {
+                if (packet_inc_alive_timeouts() > options.server_alive_count_max) {
+                        logit("Timeout, server not responding.");
+                        cleanup_exit(255);
+                }
+                packet_start(SSH2_MSG_GLOBAL_REQUEST);
+                packet_put_cstring("keepalive@openssh.com");
+                packet_put_char(1);     /* boolean: want reply */
+                packet_send();
+                /* Insert an empty placeholder to maintain ordering */
+                client_register_global_confirm(NULL, NULL);
+        } else {
+                packet_send_ignore(0);
+                packet_send();
         }
-        packet_start(SSH2_MSG_GLOBAL_REQUEST);
-        packet_put_cstring("keepalive@openssh.com");
-        packet_put_char(1);     /* boolean: want reply */
-        packet_send();
-        /* Insert an empty placeholder to maintain ordering */
-        client_register_global_confirm(NULL, NULL);
 }
 
 /*
@@ -574,7 +579,7 @@ client_wait_until_can_do_something(fd_set **readsetp, fd_set **writesetp,
          * event pending.
          */
 
-        if (options.server_alive_interval == 0 || !compat20)
+        if (options.server_alive_interval == 0)
                 tvp = NULL;
         else {
                 tv.tv_sec = options.server_alive_interval;
@@ -1524,14 +1529,16 @@ client_loop(int have_pty, int escape_char_arg, int ssh2_chan_id)
                 exit_status = 0;
         }
 
-        if (received_signal)
-                fatal("Killed by signal %d.", (int) received_signal);
+        if (received_signal) {
+                debug("Killed by signal %d.", (int) received_signal);
+                cleanup_exit((int) received_signal + 128);
+        }
 
         /*
          * In interactive mode (with pseudo tty) display a message indicating
          * that the connection has been closed.
          */
-        if (have_pty && options.log_level != SYSLOG_LEVEL_QUIET) {
+        if (have_pty && options.log_level > SYSLOG_LEVEL_QUIET) {
                 snprintf(buf, sizeof buf,
                     "Connection to %.64s closed.\r\n", host);
                 buffer_append(&stderr_buffer, buf, strlen(buf));