| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.kerby.kerberos.kerb.admin.kadmin.remote; |
| |
| import org.apache.kerby.kerberos.kerb.KrbException; |
| import org.apache.kerby.kerberos.kerb.admin.kadmin.remote.request.AdminRequest; |
| import org.apache.kerby.kerberos.kerb.admin.message.AdminReq; |
| import org.apache.kerby.kerberos.kerb.admin.message.KadminCode; |
| import org.apache.kerby.kerberos.kerb.admin.message.AdminMessageCode; |
| import org.apache.kerby.kerberos.kerb.admin.message.AdminMessageType; |
| import org.apache.kerby.kerberos.kerb.admin.message.KeytabMessageCode; |
| import org.apache.kerby.kerberos.kerb.admin.message.IdentityInfoCode; |
| import org.apache.kerby.kerberos.kerb.request.KrbIdentity; |
| import org.apache.kerby.kerberos.kerb.type.KerberosTime; |
| import org.apache.kerby.kerberos.kerb.type.base.EncryptionKey; |
| import org.apache.kerby.kerberos.kerb.type.base.EncryptionType; |
| import org.apache.kerby.xdr.XdrFieldInfo; |
| import org.apache.kerby.xdr.type.XdrStructType; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| public abstract class AdminHandler { |
| |
| /** |
| * Init with krbcontext. |
| * |
| * @param context The krbcontext |
| */ |
| public void init(AdminContext context) { |
| |
| } |
| |
| /** |
| * Handle the kdc request. |
| * |
| * @param adminRequest The admin request |
| * @throws KrbException e |
| */ |
| public void handleRequest(AdminRequest adminRequest) throws KrbException { |
| adminRequest.process(); |
| AdminReq adminReq = adminRequest.getAdminReq(); |
| ByteBuffer requestMessage = KadminCode.encodeMessage(adminReq); |
| requestMessage.flip(); |
| |
| try { |
| sendMessage(adminRequest, requestMessage); |
| } catch (IOException e) { |
| throw new KrbException("Admin sends request message failed", e); |
| } |
| |
| } |
| |
| /** |
| * Process the response message from kdc. |
| * |
| * @param adminRequest The admin request |
| * @param responseMessage The message from kdc |
| * @throws KrbException e |
| */ |
| public void onResponseMessage(AdminRequest adminRequest, |
| ByteBuffer responseMessage) throws KrbException { |
| |
| |
| XdrStructType decoded = new AdminMessageCode(); |
| try { |
| decoded.decode(responseMessage); |
| } catch (IOException e) { |
| throw new KrbException("On response message failed.", e); |
| } |
| XdrFieldInfo[] fieldInfos = decoded.getValue().getXdrFieldInfos(); |
| AdminMessageType type = (AdminMessageType) fieldInfos[0].getValue(); |
| |
| switch (type) { |
| case ADD_PRINCIPAL_REP: |
| if (adminRequest.getAdminReq().getAdminMessageType() |
| == AdminMessageType.ADD_PRINCIPAL_REQ) { |
| System.out.println((String) fieldInfos[2].getValue()); |
| } else { |
| throw new KrbException("Response message type error: need " |
| + AdminMessageType.ADD_PRINCIPAL_REP); |
| } |
| break; |
| case DELETE_PRINCIPAL_REP: |
| if (adminRequest.getAdminReq().getAdminMessageType() |
| == AdminMessageType.DELETE_PRINCIPAL_REQ) { |
| System.out.println((String) fieldInfos[2].getValue()); |
| } else { |
| throw new KrbException("Response message type error: need " |
| + AdminMessageType.DELETE_PRINCIPAL_REP); |
| } |
| break; |
| case RENAME_PRINCIPAL_REP: |
| if (adminRequest.getAdminReq().getAdminMessageType() |
| == AdminMessageType.RENAME_PRINCIPAL_REQ) { |
| System.out.println((String) fieldInfos[2].getValue()); |
| } else { |
| throw new KrbException("Response message type error: need " |
| + AdminMessageType.RENAME_PRINCIPAL_REP); |
| } |
| break; |
| case CHANGE_PWD_REP: |
| if (adminRequest.getAdminReq().getAdminMessageType() |
| == AdminMessageType.CHANGE_PWD_REQ) { |
| System.out.println((String) fieldInfos[2].getValue()); |
| } else { |
| throw new KrbException("Response message type error: need " |
| + AdminMessageType.CHANGE_PWD_REP); |
| } |
| break; |
| default: |
| throw new KrbException("Response message type error: " + type); |
| } |
| } |
| |
| public List<String> onResponseMessageForList(AdminRequest adminRequest, |
| ByteBuffer responseMessage) throws KrbException { |
| List<String> princalsList = null; |
| |
| XdrStructType decoded = new AdminMessageCode(); |
| try { |
| decoded.decode(responseMessage); |
| } catch (IOException e) { |
| throw new KrbException("On response message failed.", e); |
| } |
| XdrFieldInfo[] fieldInfos = decoded.getValue().getXdrFieldInfos(); |
| AdminMessageType type = (AdminMessageType) fieldInfos[0].getValue(); |
| |
| switch (type) { |
| case GET_PRINCS_REP: |
| if (adminRequest.getAdminReq().getAdminMessageType() |
| == AdminMessageType.GET_PRINCS_REQ) { |
| String[] temp = ((String) fieldInfos[2].getValue()).trim().split(" "); |
| princalsList = Arrays.asList(temp); |
| } else { |
| throw new KrbException("Response message type error: need " |
| + AdminMessageType.GET_PRINCS_REP); |
| } |
| break; |
| default: |
| throw new KrbException("Response message type error: " + type); |
| } |
| |
| return princalsList; |
| } |
| |
| public byte[] onResponseMessageForBytesArray(AdminRequest adminRequest, |
| ByteBuffer responseMessage) throws KrbException { |
| byte[] keytabFileBytes = null; |
| |
| XdrStructType decoded = new KeytabMessageCode(); |
| try { |
| decoded.decode(responseMessage); |
| } catch (IOException e) { |
| throw new KrbException("On response message failed.", e); |
| } |
| XdrFieldInfo[] fieldInfos = decoded.getValue().getXdrFieldInfos(); |
| AdminMessageType type = (AdminMessageType) fieldInfos[0].getValue(); |
| |
| switch (type) { |
| case EXPORT_KEYTAB_REP: |
| if (adminRequest.getAdminReq().getAdminMessageType() == AdminMessageType.EXPORT_KEYTAB_REQ) { |
| keytabFileBytes = (byte[]) fieldInfos[2].getValue(); |
| } else { |
| throw new KrbException("Response message type error: need " |
| + AdminMessageType.EXPORT_KEYTAB_REP); |
| } |
| break; |
| default: |
| throw new KrbException("Response message type error: " + type); |
| } |
| |
| return keytabFileBytes; |
| } |
| |
| public KrbIdentity onResponseMessageForIdentity(AdminRequest adminRequest, |
| ByteBuffer responseMessage) throws KrbException { |
| KrbIdentity identity = null; |
| |
| IdentityInfoCode decoded = new IdentityInfoCode(); |
| try { |
| decoded.decode(responseMessage); |
| } catch (IOException e) { |
| throw new KrbException("On response message failed.", e); |
| } |
| XdrFieldInfo[] fieldInfos = decoded.getValue().getXdrFieldInfos(); |
| AdminMessageType type = (AdminMessageType) fieldInfos[0].getValue(); |
| |
| switch (type) { |
| case GET_PRINCIPAL_REP: |
| if (adminRequest.getAdminReq().getAdminMessageType() == AdminMessageType.GET_PRINCIPAL_REQ) { |
| identity = new KrbIdentity((String) fieldInfos[2].getValue()); |
| |
| identity.setExpireTime(new KerberosTime((long) fieldInfos[3].getValue())); |
| identity.setCreatedTime(new KerberosTime((long) fieldInfos[4].getValue())); |
| identity.setKdcFlags((int) fieldInfos[5].getValue()); |
| identity.setKeyVersion((int) fieldInfos[6].getValue()); |
| int keySize = (int) fieldInfos[7].getValue(); |
| String[] keySet = ((String) fieldInfos[8].getValue()).split(","); |
| for (int i = 0; i < keySize; i++) { |
| EncryptionKey key = new EncryptionKey(); |
| key.setKeyType(EncryptionType.fromName(keySet[i])); |
| identity.addKey(key); |
| } |
| |
| } |
| break; |
| default: |
| throw new KrbException("Response message type error: " + type); |
| } |
| return identity; |
| } |
| |
| /** |
| * Send message to kdc. |
| * |
| * @param adminRequest The admin request |
| * @param requestMessage The request message to kdc |
| * @throws IOException e |
| */ |
| protected abstract void sendMessage(AdminRequest adminRequest, |
| ByteBuffer requestMessage) throws IOException; |
| |
| protected abstract List<String> handleRequestForList(AdminRequest adminRequest) throws KrbException; |
| |
| protected abstract byte[] handleRequestForBytes(AdminRequest adminRequest) throws KrbException; |
| |
| protected abstract KrbIdentity handleRequestForIdentity(AdminRequest adminRequest) throws KrbException; |
| } |