Add a bug-compatibility flag to disable the

[sgt/putty] / ssh.c

diff --git a/ssh.c b/ssh.c
index 1f1a265..351003f 100644 (file)
--- a/ssh.c
+++ b/ssh.c
@@ -196,6 +196,7 @@ static const char *const ssh2_disconnect_reasons[] = {
 #define BUG_SSH2_PK_SESSIONID                   128
 #define BUG_SSH2_MAXPKT                                256
 #define BUG_CHOKES_ON_SSH2_IGNORE               512
+#define BUG_CHOKES_ON_WINADJ                   1024
 
 /*
  * Codes for terminal modes.
@@ -2580,6 +2581,15 @@ static void ssh_detect_bugs(Ssh ssh, char *vstring)
        ssh->remote_bugs |= BUG_CHOKES_ON_SSH2_IGNORE;
        logevent("We believe remote version has SSH-2 ignore bug");
     }
+
+    if (conf_get_int(ssh->conf, CONF_sshbug_winadj) == FORCE_ON) {
+       /*
+        * Servers that don't support our winadj request for one
+        * reason or another. Currently, none detected automatically.
+        */
+       ssh->remote_bugs |= BUG_CHOKES_ON_WINADJ;
+       logevent("We believe remote version has winadj bug");
+    }
 }
 
 /*
@@ -6635,7 +6645,8 @@ static void ssh2_set_window(struct ssh_channel *c, int newwin)
         * unexpected CHANNEL_FAILUREs.
         */
        if (newwin == c->v.v2.locmaxwin &&
-           ssh->packet_dispatch[SSH2_MSG_CHANNEL_FAILURE]) {
+           ssh->packet_dispatch[SSH2_MSG_CHANNEL_FAILURE] &&
+            !(ssh->remote_bugs & BUG_CHOKES_ON_WINADJ)) {
            pktout = ssh2_pkt_init(SSH2_MSG_CHANNEL_REQUEST);
            ssh2_pkt_adduint32(pktout, c->remoteid);
            ssh2_pkt_addstring(pktout, "winadj@putty.projects.tartarus.org");