add core ssl config params

Author: madhav-db

src/main/java/com/databricks/jdbc/api/impl/DatabricksConnectionContext.java

@@ -790,6 +790,16 @@ public int getHttpConnectionPoolSize() {
     return Integer.parseInt(getParameter(DatabricksJdbcUrlParams.HTTP_CONNECTION_POOL_SIZE));
   }
 
+  @Override
+  public boolean allowSelfSignedCerts() {
+    return getParameter(DatabricksJdbcUrlParams.ALLOW_SELF_SIGNED_CERTS).equals("1");
+  }
+
+  @Override
+  public boolean useSystemTrustStore() {
+    return getParameter(DatabricksJdbcUrlParams.USE_SYSTEM_TRUST_STORE).equals("1");
+  }
+
   @Override
   public List<Integer> getUCIngestionRetriableHttpCodes() {
     return Arrays.stream(

src/main/java/com/databricks/jdbc/api/internal/IDatabricksConnectionContext.java

@@ -260,4 +260,37 @@ public interface IDatabricksConnectionContext {
 
   /** Returns the socket timeout in seconds for HTTP connections. */
   int getSocketTimeout();
+
+  /**
+   * Returns whether self-signed certificates are allowed for SSL connections.
+   *
+   * <p>When true, the driver will accept any certificate, including self-signed certificates. This
+   * option is insecure and should only be used in non-production environments.
+   *
+   * @return true if self-signed certificates are allowed, false otherwise
+   */
+  boolean allowSelfSignedCerts();
+
+  /**
+   * Returns whether the system property trust store should be used for SSL certificate validation.
+   *
+   * <p>When true, the driver will use either:
+   *
+   * <ol>
+   *   <li>The trust store specified by the Java system property <code>javax.net.ssl.trustStore
+   *       </code> if set
+   *   <li>Or the JDK's default trust store (cacerts) if no system property is set
+   * </ol>
+   *
+   * <p>When false, the driver will:
+   *
+   * <ol>
+   *   <li>Use the custom trust store specified by the SSLTrustStore parameter if provided
+   *   <li>Or use the JDK's default trust store (cacerts) but ignore any javax.net.ssl.trustStore
+   *       system property
+   * </ol>
+   *
+   * @return true if the system property trust store should be used, false otherwise
+   */
+  boolean useSystemTrustStore();
 }

src/main/java/com/databricks/jdbc/common/DatabricksJdbcUrlParams.java

@@ -106,6 +106,9 @@ public enum DatabricksJdbcUrlParams {
       "EnableComplexDatatypeSupport",
       "flag to enable native support of complex data types as java objects",
       "0"),
+  ALLOW_SELF_SIGNED_CERTS("AllowSelfSignedCerts", "Allow self signed certificates", "0"),
+
+  USE_SYSTEM_TRUST_STORE("UseSystemTrustStore", "Use system trust store for SSL", "0"),
   ROWS_FETCHED_PER_BLOCK(
       "RowsFetchedPerBlock",
       "The maximum number of rows that a query returns at a time.",

src/main/java/com/databricks/jdbc/model/telemetry/enums/DatabricksDriverErrorCode.java

@@ -32,4 +32,5 @@ public enum DatabricksDriverErrorCode {
   JSON_PARSING_ERROR,
   CATALOG_OR_SCHEMA_FETCH_ERROR,
   SDK_CLIENT_ERROR,
+  SSL_HANDSHAKE_ERROR,
 }