Java GSSName类代码示例

import org.ietf.jgss.GSSName; //导入依赖的package包/类
/**
 * Starts as a client
 * @param target communication peer
 * @param mech GSS mech
 * @throws java.lang.Exception
 */
public void startAsClient(final String target, final Oid mech) throws Exception {
    doAs(new Action() {
        @Override
        public byte[] run(Context me, byte[] dummy) throws Exception {
            GSSManager m = GSSManager.getInstance();
            me.x = (ExtendedGSSContext)m.createContext(
                      target.indexOf('@') < 0 ?
                        m.createName(target, null) :
                        m.createName(target, GSSName.NT_HOSTBASED_SERVICE),
                    mech,
                    cred,
                    GSSContext.DEFAULT_LIFETIME);
            return null;
        }
    }, null);
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
static void xRealmAuth() throws Exception {
    Security.setProperty("auth.login.defaultCallbackHandler", "CrossRealm");
    System.setProperty("java.security.auth.login.config", "jaas-localkdc.conf");
    System.setProperty("javax.security.auth.useSubjectCredsOnly", "false");
    FileOutputStream fos = new FileOutputStream("jaas-localkdc.conf");
    fos.write(("com.sun.security.jgss.krb5.initiate {\n" +
            "    com.sun.security.auth.module.Krb5LoginModule\n" +
            "    required\n" +
            "    principal=dummy\n" +
            "    doNotPrompt=false\n" +
            "    useTicketCache=false\n" +
            "    ;\n" +
            "};").getBytes());
    fos.close();

    GSSManager m = GSSManager.getInstance();
    m.createContext(
            m.createName("[email protected]", GSSName.NT_HOSTBASED_SERVICE),
            GSSUtil.GSS_KRB5_MECH_OID,
            null,
            GSSContext.DEFAULT_LIFETIME).initSecContext(new byte[0], 0, 0);
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
/**
 * Starts as a server with the specified service name
 * @param name the service name
 * @param mech GSS mech
 * @throws java.lang.Exception
 */
public void startAsServer(final String name, final Oid mech, final boolean asInitiator) throws Exception {
    doAs(new Action() {
        @Override
        public byte[] run(Context me, byte[] dummy) throws Exception {
            GSSManager m = GSSManager.getInstance();
            me.cred = m.createCredential(
                    name == null ? null :
                      (name.indexOf('@') < 0 ?
                        m.createName(name, null) :
                        m.createName(name, GSSName.NT_HOSTBASED_SERVICE)),
                    GSSCredential.INDEFINITE_LIFETIME,
                    mech,
                    asInitiator?
                            GSSCredential.INITIATE_AND_ACCEPT:
                            GSSCredential.ACCEPT_ONLY);
            me.x = (ExtendedGSSContext)m.createContext(me.cred);
            return null;
        }
    }, null);
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public Principal authenticate(GSSContext gssContext, boolean storeCreds) {
    if (gssContext.isEstablished()) {
        String username = null;
        GSSName name = null;
        try {
            name = gssContext.getSrcName();
        } catch (GSSException e) {
            log.warn(sm.getString("realmBase.gssNameFail"), e);
            return null;
        }
        
        username = name.toString();
        
        Principal authenticatedUser = super.authenticate(gssContext, storeCreds);
            
        return filterLockedAccounts(username, authenticatedUser);
    }
    
    // Fail in all other cases
    return null;
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
private Oid getOidForType(
                           String type ) {

    if ("NT_USER_NAME".equals(type)) {
        return GSSName.NT_USER_NAME;
    } else if ("NT_HOSTBASED_SERVICE".equals(type)) {
        return GSSName.NT_HOSTBASED_SERVICE;
    } else if ("NT_MACHINE_UID_NAME".equals(type)) {
        return GSSName.NT_MACHINE_UID_NAME;
    } else if ("NT_STRING_UID_NAME".equals(type)) {
        return GSSName.NT_STRING_UID_NAME;
    } else if ("NT_ANONYMOUS".equals(type)) {
        return GSSName.NT_ANONYMOUS;
    } else if ("NT_EXPORT_NAME".equals(type)) {
        return GSSName.NT_EXPORT_NAME;
    }
    return GSSName.NT_USER_NAME;
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
protected byte[] generateGSSToken(
                                   final byte[] input,
                                   final Oid oid ) throws GSSException {

    byte[] token = input;
    if (token == null) {
        token = new byte[0];
    }
    GSSManager manager = getManager();

    GSSName serverName = manager.createName(servicePrincipalName, servicePrincipalOid);

    GSSContext gssContext = manager.createContext(serverName.canonicalize(oid),
                                                  oid,
                                                  null,
                                                  GSSContext.DEFAULT_LIFETIME);
    gssContext.requestMutualAuth(true);
    gssContext.requestCredDeleg(true);
    // Get client to login if not already done
    return gssClient.negotiate(gssContext, token);
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
/**
 * Starts as a client
 * @param target communication peer
 * @param mech GSS mech
 * @throws java.lang.Exception
 */
public void startAsClient(final String target, final Oid mech) throws Exception {
    doAs(new Action() {
        @Override
        public byte[] run(Context me, byte[] dummy) throws Exception {
            GSSManager m = GSSManager.getInstance();
            me.x = m.createContext(
                      target.indexOf('@') < 0 ?
                        m.createName(target, null) :
                        m.createName(target, GSSName.NT_HOSTBASED_SERVICE),
                    mech,
                    cred,
                    GSSContext.DEFAULT_LIFETIME);
            return null;
        }
    }, null);
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
/**
 * Starts as a server with the specified service name
 * @param name the service name
 * @param mech GSS mech
 * @throws java.lang.Exception
 */
public void startAsServer(final String name, final Oid mech, final boolean asInitiator) throws Exception {
    doAs(new Action() {
        @Override
        public byte[] run(Context me, byte[] dummy) throws Exception {
            GSSManager m = GSSManager.getInstance();
            me.cred = m.createCredential(
                    name == null ? null :
                      (name.indexOf('@') < 0 ?
                        m.createName(name, null) :
                        m.createName(name, GSSName.NT_HOSTBASED_SERVICE)),
                    GSSCredential.INDEFINITE_LIFETIME,
                    mech,
                    asInitiator?
                            GSSCredential.INITIATE_AND_ACCEPT:
                            GSSCredential.ACCEPT_ONLY);
            me.x = m.createContext(me.cred);
            return null;
        }
    }, null);
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public Principal authenticate(GSSContext gssContext, boolean storeCreds) {
	if (gssContext.isEstablished()) {
		String username = null;
		GSSName name = null;
		try {
			name = gssContext.getSrcName();
		} catch (GSSException e) {
			log.warn(sm.getString("realmBase.gssNameFail"), e);
			return null;
		}

		username = name.toString();

		Principal authenticatedUser = super.authenticate(gssContext, storeCreds);

		return filterLockedAccounts(username, authenticatedUser);
	}

	// Fail in all other cases
	return null;
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
/**
 * @since 4.4
 */
protected byte[] generateGSSToken(
        final byte[] input, final Oid oid, final String authServer,
        final Credentials credentials) throws GSSException {
    byte[] inputBuff = input;
    if (inputBuff == null) {
        inputBuff = new byte[0];
    }
    final GSSManager manager = getManager();
    final GSSName serverName = manager.createName(service + "@" + authServer, GSSName.NT_HOSTBASED_SERVICE);

    final GSSCredential gssCredential;
    if (credentials instanceof KerberosCredentials) {
        gssCredential = ((KerberosCredentials) credentials).getGSSCredential();
    } else {
        gssCredential = null;
    }

    final GSSContext gssContext = manager.createContext(
            serverName.canonicalize(oid), oid, gssCredential, GSSContext.DEFAULT_LIFETIME);
    gssContext.requestMutualAuth(true);
    gssContext.requestCredDeleg(true);
    return gssContext.initSecContext(inputBuff, 0, inputBuff.length);
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
private void initiateSecurityContext( String servicePrincipalName)
    throws GSSException {
  GSSManager manager = GSSManager.getInstance();
  GSSName serverName = manager.createName( servicePrincipalName,
      GSSName.NT_HOSTBASED_SERVICE);
  final GSSContext context = manager.createContext( serverName, krb5Oid, null,
      GSSContext.DEFAULT_LIFETIME);
  // The GSS context initiation has to be performed as a privileged action.
  this.serviceTicket = Subject.doAs( subject, new PrivilegedAction<byte[]>() {
    public byte[] run() {
      try {
        byte[] token = new byte[0];
        // This is a one pass context initialisation.
        context.requestMutualAuth( false);
        context.requestCredDeleg( false);
        return context.initSecContext( token, 0, token.length);
      }
      catch ( GSSException e) {
        e.printStackTrace();
        return null;
      }
    }
  });

}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
private static String getUsernameFromGSSContext(final GSSContext gssContext, final boolean strip, final ESLogger logger) {
    if (gssContext.isEstablished()) {
        GSSName gssName = null;
        try {
            gssName = gssContext.getSrcName();
        } catch (final GSSException e) {
            logger.error("Unable to get src name from gss context", e);
        }

        if (gssName != null) {
            String name = gssName.toString();

            return stripRealmName(name, strip);

        }
    }

    return null;
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
GSSContext initGSS() throws Exception {
    final GSSManager MANAGER = GSSManager.getInstance();

    final PrivilegedExceptionAction<GSSCredential> action = new PrivilegedExceptionAction<GSSCredential>() {
        @Override
        public GSSCredential run() throws GSSException {
            return MANAGER.createCredential(null, GSSCredential.DEFAULT_LIFETIME, KrbConstants.SPNEGO, GSSCredential.INITIATE_ONLY);
        }
    };

    final GSSCredential clientcreds = Subject.doAs(initiatorSubject, action);

    final GSSContext context = MANAGER.createContext(MANAGER.createName(acceptorPrincipal, GSSName.NT_USER_NAME, KrbConstants.SPNEGO),
            KrbConstants.SPNEGO, clientcreds, GSSContext.DEFAULT_LIFETIME);

    //TODO make configurable
    context.requestMutualAuth(true);
    context.requestConf(true);
    context.requestInteg(true);
    context.requestReplayDet(true);
    context.requestSequenceDet(true);
    context.requestCredDeleg(false);

    return context;
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
public Context impersonate(final String someone) throws Exception {
    try {
        GSSCredential creds = Subject.doAs(s, new PrivilegedExceptionAction<GSSCredential>() {
            @Override
            public GSSCredential run() throws Exception {
                GSSManager m = GSSManager.getInstance();
                GSSName other = m.createName(someone, GSSName.NT_USER_NAME);
                if (Context.this.cred == null) {
                    Context.this.cred = m.createCredential(GSSCredential.INITIATE_ONLY);
                }
                return ((ExtendedGSSCredential)Context.this.cred).impersonate(other);
            }
        });
        Context out = new Context();
        out.s = s;
        out.cred = creds;
        out.name = name + " as " + out.cred.getName().toString();
        return out;
    } catch (PrivilegedActionException pae) {
        throw pae.getException();
    }
}
 

import org.ietf.jgss.GSSName; //导入依赖的package包/类
public byte[] run() {
    try {
        GSSManager gssManager = GSSManager.getInstance();
    
        Oid kerberos5Oid = new Oid(KERBEROS_OID);
        GSSCredential credentials = this.delegatedCredential;
        
        GSSName gssService = gssManager.createName(this.serviceName, GSSName.NT_HOSTBASED_SERVICE);
        GSSContext secContext = gssManager.createContext(gssService, kerberos5Oid, credentials,
                GSSContext.DEFAULT_LIFETIME);
     
        secContext.requestMutualAuth(false);
        byte[] token = new byte[0];
        byte[] returnedToken = secContext.initSecContext(token, 0, token.length);
        secContext.dispose();
        return returnedToken;
    } catch (GSSException e) {
        if (LogManager.isMessageToBeRecorded(LogConstants.CTX_WS, MessageLevel.DETAIL)) {
            LogManager.logDetail(LogConstants.CTX_WS, "Error in obtaining a Kerberos token"); //$NON-NLS-1$
        }
    }
    return null;
}