Fix bug where ext-info-c was incorrectly advertised during rekeying.

According to RFC 8308 section 2.1, ext-info-c should only advertised during the first key exchange.
mwiede · Sep 8, 2021 · 3f47e66 · 3f47e66
1 parent 4144773
commit 3f47e66
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/com/jcraft/jsch/Session.java b/src/main/java/com/jcraft/jsch/Session.java
@@ -701,7 +701,7 @@ private void send_kexinit() throws Exception {
     }
 
     String enable_server_sig_algs=getConfig("enable_server_sig_algs");
-    if(enable_server_sig_algs.equals("yes")){
+    if(enable_server_sig_algs.equals("yes") && !isAuthed){
       kex+=",ext-info-c";
     }