From eb42b5484e585dfe55e85eeedc762b51181de43f Mon Sep 17 00:00:00 2001
From: Robert Gallas <rgallas@cisco.com>
Date: Thu, 7 Nov 2013 08:13:31 +0100
Subject: [PATCH] Ganymed library patch

SSH client patch of Ganymed library to accept
to accept precreated socket.

Change-Id: Icbccba360e9a86be41cc65a04f1e7aca8c4bffca
Signed-off-by: Robert Gallas <rgallas@cisco.com>
---
 .../main/java/ch/ethz/ssh2/Connection.java    | 18 +++++++++++--
 .../ethz/ssh2/transport/TransportManager.java | 25 +++++++++++++++++++
 2 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/third-party/ganymed/src/main/java/ch/ethz/ssh2/Connection.java b/third-party/ganymed/src/main/java/ch/ethz/ssh2/Connection.java
index bf742c5f5f..786f81ce06 100644
--- a/third-party/ganymed/src/main/java/ch/ethz/ssh2/Connection.java
+++ b/third-party/ganymed/src/main/java/ch/ethz/ssh2/Connection.java
@@ -60,6 +60,14 @@ public class Connection
 
     private SecureRandom generator;
 
+    private Socket precreatedSocket;
+
+    public Connection(Socket socket) {
+        this.precreatedSocket = socket;
+        this.hostname = socket.getInetAddress().getHostName();
+        this.port = socket.getPort();
+    }
+
     /**
      * Unless you know what you are doing, you will never need this.
      *
@@ -745,8 +753,14 @@ public class Connection
 
             try
             {
-                tm.clientInit(hostname, port, softwareversion, cryptoWishList, verifier, dhgexpara, connectTimeout,
-                        getOrCreateSecureRND(), proxyData);
+
+                if (precreatedSocket != null) {
+                    tm.clientInit(precreatedSocket, softwareversion, cryptoWishList, verifier, dhgexpara,
+                            getOrCreateSecureRND());
+                } else {
+                    tm.clientInit(hostname, port, softwareversion, cryptoWishList, verifier, dhgexpara, connectTimeout,
+                            getOrCreateSecureRND(), proxyData);
+                }
             }
             catch (SocketTimeoutException se)
             {
diff --git a/third-party/ganymed/src/main/java/ch/ethz/ssh2/transport/TransportManager.java b/third-party/ganymed/src/main/java/ch/ethz/ssh2/transport/TransportManager.java
index 50e9b287ea..963267082b 100644
--- a/third-party/ganymed/src/main/java/ch/ethz/ssh2/transport/TransportManager.java
+++ b/third-party/ganymed/src/main/java/ch/ethz/ssh2/transport/TransportManager.java
@@ -551,6 +551,31 @@ public class TransportManager
         receiveThread.start();
     }
 
+    public void clientInit(Socket socket, String softwareversion, CryptoWishList cwl,
+                           ServerHostKeyVerifier verifier, DHGexParameters dhgex, SecureRandom rnd) throws IOException
+    {
+		/* First, establish the TCP connection to the SSH-2 server */
+
+        sock = socket;
+
+		/* Parse the server line and say hello - important: this information is later needed for the
+		 * key exchange (to stop man-in-the-middle attacks) - that is why we wrap it into an object
+		 * for later use.
+		 */
+
+        ClientServerHello csh = ClientServerHello.clientHello(softwareversion, sock.getInputStream(),
+                sock.getOutputStream());
+
+        tc = new TransportConnection(sock.getInputStream(), sock.getOutputStream(), rnd);
+        String hostname = sock.getInetAddress().getHostName();
+        int port = sock.getPort();
+
+        km = new ClientKexManager(this, csh, cwl, hostname, port, verifier, rnd);
+        km.initiateKEX(cwl, dhgex, null, null);
+
+        startReceiver();
+    }
+
     public void clientInit(String hostname, int port, String softwareversion, CryptoWishList cwl,
                            ServerHostKeyVerifier verifier, DHGexParameters dhgex, int connectTimeout, SecureRandom rnd,
                            ProxyData proxyData) throws IOException
-- 
2.36.6