X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=config.c;h=a134e326c4f9c0ef4b1d8b636d81bdf46498061c;hb=460c45dd235fae180256c9606df865066f8a791c;hp=e126d4dce4124f458ed319297d8de83343a2edd1;hpb=44a936fbb526de7076830cc1093d17fdc05884b2;p=PuTTY.git

diff --git a/config.c b/config.c
index e126d4dc..a134e326 100644
--- a/config.c
+++ b/config.c
@@ -569,6 +569,7 @@ struct sessionsaver_data {
 static void sessionsaver_data_free(void *ssdv)
 {
     struct sessionsaver_data *ssd = (struct sessionsaver_data *)ssdv;
+    get_sesslist(&ssd->sesslist, FALSE);
     sfree(ssd->savedsession);
     sfree(ssd);
 }
@@ -2137,7 +2138,8 @@ void setup_config_box(struct controlbox *b, int midsession,
 	ctrl_settitle(b, "Connection/SSH",
 		      "Options controlling SSH connections");
 
-	if (midsession && protcfginfo == 1) {
+	/* SSH-1 or connection-sharing downstream */
+	if (midsession && (protcfginfo == 1 || protcfginfo == -1)) {
 	    s = ctrl_getset(b, "Connection/SSH", "disclaimer", NULL);
 	    ctrl_text(s, "Nothing on this panel may be reconfigured in mid-"
 		      "session; it is only here so that sub-panels of it can "
@@ -2159,7 +2161,7 @@ void setup_config_box(struct controlbox *b, int midsession,
 			  I(CONF_ssh_no_shell));
 	}
 
-	if (!midsession || protcfginfo != 1) {
+	if (!midsession || !(protcfginfo == 1 || protcfginfo == -1)) {
 	    s = ctrl_getset(b, "Connection/SSH", "protocol", "Protocol options");
 
 	    ctrl_checkbox(s, "Enable compression", 'e',
@@ -2203,10 +2205,11 @@ void setup_config_box(struct controlbox *b, int midsession,
 
 	/*
 	 * The Connection/SSH/Kex panel. (Owing to repeat key
-	 * exchange, this is all meaningful in mid-session _if_
-	 * we're using SSH-2 or haven't decided yet.)
+	 * exchange, much of this is meaningful in mid-session _if_
+	 * we're using SSH-2 and are not a connection-sharing
+	 * downstream, or haven't decided yet.)
 	 */
-	if (protcfginfo != 1) {
+	if (protcfginfo != 1 && protcfginfo != -1) {
 	    ctrl_settitle(b, "Connection/SSH/Kex",
 			  "Options controlling SSH key exchange");
 
@@ -2232,7 +2235,14 @@ void setup_config_box(struct controlbox *b, int midsession,
 			 I(16));
 	    ctrl_text(s, "(Use 1M for 1 megabyte, 1G for 1 gigabyte etc)",
 		      HELPCTX(ssh_kex_repeat));
+	}
 
+	/*
+	 * Manual host key configuration is irrelevant mid-session,
+	 * as we enforce that the host key for rekeys is the
+	 * same as that used at the start of the session.
+	 */
+	if (!midsession) {
 	    s = ctrl_getset(b, "Connection/SSH/Kex", "hostkeys",
 			    "Manually configure host keys for this connection");
 
@@ -2270,7 +2280,7 @@ void setup_config_box(struct controlbox *b, int midsession,
             ctrl_columns(s, 1, 100);
 	}
 
-	if (!midsession || protcfginfo != 1) {
+	if (!midsession || !(protcfginfo == 1 || protcfginfo == -1)) {
 	    /*
 	     * The Connection/SSH/Cipher panel.
 	     */
@@ -2555,7 +2565,7 @@ void setup_config_box(struct controlbox *b, int midsession,
 
 	if (!midsession) {
 	    /*
-	     * The Connection/SSH/Bugs panel.
+	     * The Connection/SSH/Bugs panels.
 	     */
 	    ctrl_settitle(b, "Connection/SSH/Bugs",
 			  "Workarounds for SSH server bugs");
@@ -2583,6 +2593,12 @@ void setup_config_box(struct controlbox *b, int midsession,
 	    ctrl_droplist(s, "Miscomputes SSH-2 encryption keys", 'e', 20,
 			  HELPCTX(ssh_bugs_derivekey2),
 			  sshbug_handler, I(CONF_sshbug_derivekey2));
+
+	    ctrl_settitle(b, "Connection/SSH/More bugs",
+			  "Further workarounds for SSH server bugs");
+
+	    s = ctrl_getset(b, "Connection/SSH/More bugs", "main",
+			    "Detection of known bugs in SSH servers");
 	    ctrl_droplist(s, "Requires padding on SSH-2 RSA signatures", 'p', 20,
 			  HELPCTX(ssh_bugs_rsapad2),
 			  sshbug_handler, I(CONF_sshbug_rsapad2));
@@ -2595,6 +2611,9 @@ void setup_config_box(struct controlbox *b, int midsession,
 	    ctrl_droplist(s, "Ignores SSH-2 maximum packet size", 'x', 20,
 			  HELPCTX(ssh_bugs_maxpkt2),
 			  sshbug_handler, I(CONF_sshbug_maxpkt2));
+	    ctrl_droplist(s, "Only supports pre-RFC4419 SSH-2 DH GEX", 'd', 20,
+			  HELPCTX(ssh_bugs_oldgex2),
+			  sshbug_handler, I(CONF_sshbug_oldgex2));
 	    ctrl_droplist(s, "Replies to requests on closed channels", 'q', 20,
 			  HELPCTX(ssh_bugs_chanreq),
 			  sshbug_handler, I(CONF_sshbug_chanreq));