Add TLS version support via the -tls flag (#41)

* Add support for TLS version by adding the flag -tls

* Update README.md

---------

Co-authored-by: shiraya <[email protected]>

Author: shira5931-chkp

README.md

@@ -50,6 +50,9 @@ that are being used (the ones that were installed on the security gateways).
 • [-n port-number] (Optional): The port of WebAPI server on Security Management Server.  
 Default value is 443.
 
+• [-tls tls-version] (Optional): The TLS protocol version used to connect to the Management server.
+Default value is 'TLSv1.2'.(e.g. -tls TLSv1.3)
+
 • [-o path] (Optional): The output path. The location in which to save the resulting .tar.gz file.  
 The parameter can also be the full path (including the .tar.gz filename).   
 The default is the current directory.  

src/main/java/com/checkpoint/mgmt_api/examples/ShowPackageConfiguration.java

@@ -91,6 +91,8 @@ public enum ShowPackageConfiguration {
     private FileHandler fileHandler;
     /*Paths settings*/
 
+    private static String tlsVersion = "TLSv1.2";
+
     private static String tarGzPath          = tarName;
     private static String resultFolderPath;
     //Define if the function needs only to show the existing packages
@@ -103,6 +105,20 @@ public enum ShowPackageConfiguration {
     private static boolean showEachRulesUid = false;
 
     private static RandomAccessFile rulbaseWriter;
+
+
+    public static String getTlsVersion() {
+        return tlsVersion;
+    }
+
+    public static void setTlsVersion(String tlsVersion) {
+        if(tlsVersion==null)
+            ShowPackageConfiguration.tlsVersion = "TLSv1.2";
+        else {
+            ShowPackageConfiguration.tlsVersion = tlsVersion;
+        }
+    }
+
     void initializeParameters(String[] args) throws Exception{
 
         //Default debug level
@@ -741,6 +757,17 @@ String value(){
                 return "";
             }
         },
+        tlsVersions("-tls") {
+            void runCommand(String value) { tlsVersion = value;}
+            void flagToString() { System.out.println("\tTLS Version. \n\tDefault value is TLSv1.2");}
+            String debugString()
+            {
+                return "tlsVersions:(-tls)=" + tlsVersion;
+            }
+            String value(){
+                return " tls-version";
+            }
+        },
         deleteTempFiles("-r") {
             void runCommand(String value)
             {

src/main/java/com/checkpoint/mgmt_api/examples/ShowPackageTool.java

@@ -46,7 +46,7 @@ public class ShowPackageTool {
         final String HTTPS_PROTOCOLS_PROPERTY = "https.protocols";
 
         if (System.getProperty(HTTPS_PROTOCOLS_PROPERTY) == null) {
-            System.setProperty(HTTPS_PROTOCOLS_PROPERTY, "TLSv1,TLSv1.1,TLSv1.2");
+            System.setProperty(HTTPS_PROTOCOLS_PROPERTY, "TLSv1,TLSv1.1,TLSv1.2,TLSv1.3");
         }
     }
 
@@ -115,6 +115,12 @@ public static void main(String[] args) {
             apiClientArgs.setProxySetting(proxy);
         }
 
+        /*If the user asked for a certain tls version, then set the tls version to a given one*/
+        String TlsVersion = configuration.getTlsVersion();
+        if(TlsVersion != null && !TlsVersion.isEmpty()){
+            apiClientArgs.setTlsVersion(TlsVersion);
+        }
+
         /*If the user asked for a certain port, then set the port to a given port*/
         if(configuration.isUserEnteredPort()){
             apiClientArgs.setPort(configuration.getPort());