final UserPrincipal principal = acl.principal();
                        if (logger.isDebugEnabled()) {
                            logger.debug("Principal: [{}] {}", principal.getClass().getName(), principal);
                        }
                        if (principal instanceof final GroupPrincipal groupPrincipal) {

    }


    @Override
    public String getUserDomain () {
        if ( this.realm == null && this.getSubject() != null ) {
            Set<Principal> pr = this.getSubject().getPrincipals();
            for ( Iterator<Principal> ite = pr.iterator(); ite.hasNext(); ) {
                try {
                    KerberosPrincipal entry = (KerberosPrincipal) ite.next();
                    return entry.getRealm();

            // client/caller principal
            final SpnegoPrincipal principal;
            try {
                principal = getAuthenticator().authenticate(request, spnegoResponse);
                if (logger.isDebugEnabled()) {
                    logger.debug("principal: {}", principal);
                }
            } catch (final Exception e) {

    }


    /**
     * @param principal
     * @return
     * @throws RealmException
     */
    protected static PrincipalName convertPrincipal ( KerberosPrincipal principal ) throws RealmException {
        PrincipalName principalName = new PrincipalName(
            principal.getName() + PrincipalName.NAME_REALM_SEPARATOR + principal.getRealm(),
            PrincipalName.KRB_NT_PRINCIPAL);
        return principalName;
    }

package jcifs.http;


import java.security.Principal;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;


class NtlmHttpServletRequest extends HttpServletRequestWrapper {

    Principal principal;


    NtlmHttpServletRequest ( HttpServletRequest req, Principal principal ) {
        super(req);
        this.principal = principal;
    }


    @Override

package jcifs.smb1.http;

import java.security.Principal;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;

class NtlmHttpServletRequest extends HttpServletRequestWrapper {

    Principal principal;

    NtlmHttpServletRequest( HttpServletRequest req, Principal principal ) {
        super( req );
        this.principal = principal;
    }
    public String getRemoteUser() {

            case 1:// Realm
                DERGeneralString derRealm = ASN1Util.as(DERGeneralString.class, tagged);
                this.serverRealm = derRealm.getString();
                break;
            case 2:// Principal
                ASN1Sequence principalSequence = ASN1Util.as(ASN1Sequence.class, tagged);
                ASN1Sequence nameSequence = ASN1Util.as(ASN1Sequence.class, ASN1Util.as(ASN1TaggedObject.class, principalSequence, 1));

    public static final String LDAP_BASE_DN = "ldap.base.dn";

    public static final String LDAP_SECURITY_PRINCIPAL = "ldap.security.principal";

    public static final String LDAP_ADMIN_SECURITY_PRINCIPAL = "ldap.admin.security.principal";

    public static final String LDAP_ADMIN_SECURITY_CREDENTIALS = "ldap.admin.security.credentials";

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.smb1;

import java.io.UnsupportedEncodingException;
import java.io.Serializable;
import java.security.Principal;
import java.security.MessageDigest;
import java.security.GeneralSecurityException;
import java.util.Random;

import jcifs.smb1.Config;
import jcifs.smb1.util.*;

import java.util.Arrays;

/**

            case 2: // Realm
                DERGeneralString derRealm = ASN1Util.as(DERGeneralString.class, tagged);
                this.userRealm = derRealm.getString();
                break;
            case 3: // Principal
                ASN1Sequence principalSequence = ASN1Util.as(ASN1Sequence.class, tagged);
                ASN1Sequence nameSequence = ASN1Util.as(ASN1Sequence.class, ASN1Util.as(ASN1TaggedObject.class, principalSequence, 1));