GUAC-1171: Add SFTP parameters to VNC.

guacamole-ext/src/main/resources/org/glyptodon/guacamole/protocols/vnc.json

@@ -66,6 +66,41 @@
             ]
         },
 
+        {
+            "name"  : "sftp",
+            "fields" : [
+                {
+                    "name"    : "enable-sftp",
+                    "type"    : "BOOLEAN",
+                    "options" : [ "true" ]
+                },
+                {
+                    "name"  : "sftp-hostname",
+                    "type"  : "TEXT"
+                },
+                {
+                    "name"  : "sftp-port",
+                    "type"  : "NUMERIC"
+                },
+                {
+                    "name"  : "sftp-username",
+                    "type"  : "USERNAME"
+                },
+                {
+                    "name"  : "sftp-password",
+                    "type"  : "PASSWORD"
+                },
+                {
+                    "name"  : "sftp-private-key",
+                    "type"  : "MULTILINE"
+                },
+                {
+                    "name"  : "sftp-passphrase",
+                    "type"  : "PASSWORD"
+                }
+            ]
+        },
+
         {
             "name"  : "audio",
             "fields" : [