}

    private String makePipeUrl() {
        final DcerpcBinding binding = getBinding();
        StringBuilder url =
                new StringBuilder("smb://").append(binding.getServer()).append("/IPC$/").append(binding.getEndpoint().substring(6));

        String params = "";
        final String server = (String) binding.getOption("server");
        if (server != null) {
            params += "&server=" + server;

    }

    /**
     * Get channel binding hash
     *
     * @return binding hash bytes
     */
    public byte[] getBindingHash() {
        return bindingHash;
    }

    /**
     * Set channel binding hash
     *
     * @param bindingHash binding hash bytes
     */
    public void setBindingHash(byte[] bindingHash) {

import org.lastaflute.di.core.factory.SingletonLaContainerFactory;

import groovy.lang.Binding;
import groovy.lang.GroovyClassLoader;
import groovy.lang.GroovyShell;

/**
 * Groovy script engine implementation that extends AbstractScriptEngine.
 * This class provides support for executing Groovy scripts with parameter binding
 * and DI container integration.
 */
public class GroovyEngine extends AbstractScriptEngine {

            // Then
            assertNotNull(bindWithNullBinding, "Constructor should handle null binding");
            Field bindingField = DcerpcBind.class.getDeclaredField("binding");
            bindingField.setAccessible(true);
            assertNull(bindingField.get(bindWithNullBinding), "Binding should be null");
        }
    }

    @Nested
    @DisplayName("Opnum Tests")
    class OpnumTests {

package jcifs.ntlmssp.av;

/**
 * NTLMSSP AV pair representing channel binding information for enhanced security.
 * Used to bind NTLM authentication to specific communication channels.
 *
 * @author mbechler
 */
public class AvChannelBindings extends AvPair {

    /**
     * Constructs an AV channel bindings pair
     * @param channelBindingHash the channel binding hash value
     */

		},
		// Server binding to fqdn.
		{
			request: &http.Request{
				Host: "s3.mybucket.org",
				Header: map[string][]string{
					"X-Forwarded-Scheme": {httpScheme},
				},
			},
			bucket:           "mybucket",
			object:           "test/1.txt",
			expectedLocation: "http://s3.mybucket.org/mybucket/test/1.txt",
		},
		// Server binding to fqdn.
		{
			request: &http.Request{

import jcifs.smb1.dcerpc.msrpc.lsarpc;
import jcifs.smb1.dcerpc.msrpc.netdfs;
import jcifs.smb1.dcerpc.msrpc.samr;
import jcifs.smb1.dcerpc.msrpc.srvsvc;

/**
 * DCERPC binding information for RPC connections.
 * This class manages the binding parameters and interface registry for DCERPC communications.
 */
public class DcerpcBinding {

    private static HashMap INTERFACES;

    static {

- **MS-SMB2 Section 3.3.5.15.12**: Channel Binding

## 3. Multi-Channel Architecture

### 3.1 Channel States
```java
public enum ChannelState {
    DISCONNECTED(0),     // Not connected
    CONNECTING(1),       // Connection in progress
    AUTHENTICATING(2),   // Authentication in progress
    ESTABLISHED(3),      // Ready for use
    BINDING(4),         // Channel binding in progress

    }

    /**
     * Perform channel binding for a channel
     *
     * @param channel channel to bind
     * @throws IOException if binding fails
     */
    public void performChannelBinding(ChannelInfo channel) throws IOException {
        // MS-SMB2 3.2.4.1.6: Alternative Channel Creation
        // Channel binding requires SMB2_SESSION_FLAG_BINDING (0x01) in session setup

import static org.junit.jupiter.api.Assertions.assertNull;

import org.junit.jupiter.api.Test;

class AvChannelBindingsTest {

    /**
     * Test that the constructor correctly initializes with a valid channel binding hash.
     */
    @Test
    void testConstructorWithValidHash() {
        byte[] testHash = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
        AvChannelBindings avChannelBindings = new AvChannelBindings(testHash);