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https://github.com/Alfresco/alfresco-community-repo.git
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Merged V1.4 to HEAD
svn merge svn://svn.alfresco.com:3691/alfresco/BRANCHES/V1.4@3987 svn://svn.alfresco.com:3691/alfresco/BRANCHES/V1.4@4133 . Removed LicenseComponent reference from projects\repository\source\java\org\alfresco\repo\descriptor\DescriptorServiceImpl.java git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4135 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
@@ -1,427 +0,0 @@
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/*
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* Copyright (C) 2005-2006 Alfresco, Inc.
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*
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* Licensed under the Mozilla Public License version 1.1
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* with a permitted attribution clause. You may obtain a
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* copy of the License at
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*
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* http://www.alfresco.org/legal/license.txt
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific
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* language governing permissions and limitations under the
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* License.
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*/
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package org.alfresco.filesys.server.auth.ntlm;
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import java.security.NoSuchAlgorithmException;
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import net.sf.acegisecurity.Authentication;
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import org.alfresco.filesys.server.SrvSession;
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import org.alfresco.filesys.server.auth.AuthContext;
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import org.alfresco.filesys.server.auth.CifsAuthenticator;
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import org.alfresco.filesys.server.auth.ClientInfo;
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import org.alfresco.filesys.server.auth.NTLanManAuthContext;
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import org.alfresco.filesys.smb.server.SMBSrvSession;
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import org.alfresco.filesys.util.DataPacker;
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import org.alfresco.repo.security.authentication.NTLMMode;
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import org.alfresco.repo.security.authentication.ntlm.NTLMPassthruToken;
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/**
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* Alfresco Authenticator Class
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*
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* <p>The Alfresco authenticator implementation enables user level security mode using the Alfresco authentication
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* component.
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*
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* <p>Note: Switching off encrypted password support will cause later NT4 service pack releases and
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* Win2000 to refuse to connect to the server without a registry update on the client.
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*
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* @author GKSpencer
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*/
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public class AlfrescoAuthenticator extends CifsAuthenticator
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{
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/**
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* Default Constructor
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*
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* <p>Default to user mode security with encrypted password support.
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*/
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public AlfrescoAuthenticator()
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{
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}
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/**
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* Validate that the authentication component supports the required mode
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*
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* @return boolean
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*/
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protected boolean validateAuthenticationMode()
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{
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// Make sure the authentication component supports MD4 hashed passwords or passthru mode
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if ( m_authComponent.getNTLMMode() != NTLMMode.MD4_PROVIDER &&
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m_authComponent.getNTLMMode() != NTLMMode.PASS_THROUGH)
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return false;
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return true;
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}
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/**
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* Authenticate a user
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*
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* @param client Client information
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* @param sess Server session
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* @param alg Encryption algorithm
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*/
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public int authenticateUser(ClientInfo client, SrvSession sess, int alg)
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{
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// Check if this is an SMB/CIFS null session logon.
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//
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// The null session will only be allowed to connect to the IPC$ named pipe share.
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if (client.isNullSession() && sess instanceof SMBSrvSession)
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{
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// Debug
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if ( logger.isDebugEnabled())
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logger.debug("Null CIFS logon allowed");
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return CifsAuthenticator.AUTH_ALLOW;
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}
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// Check if the client is already authenticated, and it is not a null logon
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if ( client.getAuthenticationToken() != null && client.getLogonType() != ClientInfo.LogonNull)
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{
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// Use the existing authentication token
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m_authComponent.setCurrentUser(client.getUserName());
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// Debug
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if ( logger.isDebugEnabled())
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logger.debug("Re-using existing authentication token");
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// Return the authentication status
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return client.getLogonType() != ClientInfo.LogonGuest ? AUTH_ALLOW : AUTH_GUEST;
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}
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// Check if this is a guest logon
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int authSts = AUTH_DISALLOW;
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if ( client.isGuest() || client.getUserName().equalsIgnoreCase(getGuestUserName()))
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{
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// Check if guest logons are allowed
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if ( allowGuest() == false)
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return AUTH_DISALLOW;
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// Get a guest authentication token
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doGuestLogon( client, sess);
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// Indicate logged on as guest
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authSts = AUTH_GUEST;
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// DEBUG
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if ( logger.isDebugEnabled())
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logger.debug("Authenticated user " + client.getUserName() + " sts=" + getStatusAsString(authSts));
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// Return the guest status
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return authSts;
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}
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// Check if MD4 or passthru mode is configured
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else if ( m_authComponent.getNTLMMode() == NTLMMode.MD4_PROVIDER)
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{
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// Perform local MD4 password check
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authSts = doMD4UserAuthentication(client, sess, alg);
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}
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else
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{
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// Perform passthru authentication password check
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authSts = doPassthruUserAuthentication(client, sess, alg);
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}
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// Check if the logon status indicates a guest logon
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if ( authSts == AUTH_GUEST)
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{
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// Only allow the guest logon if user mapping is enabled
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if ( mapUnknownUserToGuest())
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{
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// Logon as guest, setup the security context
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doGuestLogon( client, sess);
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}
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else
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{
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// Do not allow the guest logon
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authSts = AUTH_DISALLOW;
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}
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}
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// DEBUG
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if ( logger.isDebugEnabled())
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logger.debug("Authenticated user " + client.getUserName() + " sts=" + getStatusAsString(authSts) +
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" via " + (m_authComponent.getNTLMMode() == NTLMMode.MD4_PROVIDER ? "MD4" : "Passthru"));
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// Return the authentication status
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return authSts;
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}
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/**
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* Return an authentication context for the new session
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*
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* @return AuthContext
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*/
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public AuthContext getAuthContext( SMBSrvSession sess)
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{
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// Check if the client is already authenticated, and it is not a null logon
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AuthContext authCtx = null;
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if ( sess.hasAuthenticationContext() && sess.hasAuthenticationToken() &&
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sess.getClientInformation().getLogonType() != ClientInfo.LogonNull)
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{
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// Return the previous challenge, user is already authenticated
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authCtx = (NTLanManAuthContext) sess.getAuthenticationContext();
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// DEBUG
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if ( logger.isDebugEnabled())
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logger.debug("Re-using existing challenge, already authenticated");
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}
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else if ( m_authComponent.getNTLMMode() == NTLMMode.MD4_PROVIDER)
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{
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// Create a new authentication context for the session
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authCtx = new NTLanManAuthContext();
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sess.setAuthenticationContext( authCtx);
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}
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else
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{
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// Create an authentication token for the session
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NTLMPassthruToken authToken = new NTLMPassthruToken();
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// Run the first stage of the passthru authentication to get the challenge
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m_authComponent.authenticate( authToken);
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// Save the authentication token for the second stage of the authentication
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sess.setAuthenticationToken(authToken);
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// Get the challenge from the token
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if ( authToken.getChallenge() != null)
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{
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authCtx = new NTLanManAuthContext( authToken.getChallenge().getBytes());
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sess.setAuthenticationContext( authCtx);
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}
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}
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// Return the authentication context
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return authCtx;
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}
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/**
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* Perform MD4 user authentication
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*
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* @param client Client information
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* @param sess Server session
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* @param alg Encryption algorithm
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* @return int
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*/
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private final int doMD4UserAuthentication(ClientInfo client, SrvSession sess, int alg)
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{
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// Get the stored MD4 hashed password for the user, or null if the user does not exist
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String md4hash = m_authComponent.getMD4HashedPassword(client.getUserName());
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if ( md4hash != null)
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{
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// Check if the client has supplied an NTLM hashed password, if not then do not allow access
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if ( client.getPassword() == null)
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return CifsAuthenticator.AUTH_BADPASSWORD;
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try
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{
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// Generate the local encrypted password using the challenge that was sent to the client
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byte[] p21 = new byte[21];
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byte[] md4byts = m_md4Encoder.decodeHash(md4hash);
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System.arraycopy(md4byts, 0, p21, 0, 16);
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// Get the challenge that was sent to the client
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NTLanManAuthContext authCtx = null;
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if ( sess.hasAuthenticationContext() && sess.getAuthenticationContext() instanceof NTLanManAuthContext)
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authCtx = (NTLanManAuthContext) sess.getAuthenticationContext();
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else
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return CifsAuthenticator.AUTH_DISALLOW;
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// Generate the local hash of the password using the same challenge
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byte[] localHash = getEncryptor().doNTLM1Encryption(p21, authCtx.getChallenge());
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// Validate the password
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byte[] clientHash = client.getPassword();
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if ( clientHash == null || clientHash.length != localHash.length)
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return CifsAuthenticator.AUTH_BADPASSWORD;
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for ( int i = 0; i < clientHash.length; i++)
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{
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if ( clientHash[i] != localHash[i])
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return CifsAuthenticator.AUTH_BADPASSWORD;
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}
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// Set the current user to be authenticated, save the authentication token
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client.setAuthenticationToken( m_authComponent.setCurrentUser(client.getUserName()));
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// Get the users home folder node, if available
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getHomeFolderForUser( client);
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// Passwords match, grant access
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return CifsAuthenticator.AUTH_ALLOW;
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}
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catch (NoSuchAlgorithmException ex)
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{
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}
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// Error during password check, do not allow access
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return CifsAuthenticator.AUTH_DISALLOW;
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}
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// Check if this is an SMB/CIFS null session logon.
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//
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// The null session will only be allowed to connect to the IPC$ named pipe share.
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if (client.isNullSession() && sess instanceof SMBSrvSession)
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return CifsAuthenticator.AUTH_ALLOW;
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// User does not exist, check if guest access is allowed
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return allowGuest() ? CifsAuthenticator.AUTH_GUEST : CifsAuthenticator.AUTH_DISALLOW;
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}
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/**
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* Perform passthru user authentication
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*
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* @param client Client information
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* @param sess Server session
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* @param alg Encryption algorithm
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* @return int
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*/
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private final int doPassthruUserAuthentication(ClientInfo client, SrvSession sess, int alg)
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{
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// Get the authentication token for the session
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NTLMPassthruToken authToken = (NTLMPassthruToken) sess.getAuthenticationToken();
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if ( authToken == null)
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return CifsAuthenticator.AUTH_DISALLOW;
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// Get the appropriate hashed password for the algorithm
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int authSts = CifsAuthenticator.AUTH_DISALLOW;
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byte[] hashedPassword = null;
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if ( alg == NTLM1)
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hashedPassword = client.getPassword();
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else if ( alg == LANMAN)
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hashedPassword = client.getANSIPassword();
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else
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{
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// Invalid/unsupported algorithm specified
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return CifsAuthenticator.AUTH_DISALLOW;
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}
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// Set the username and hashed password in the authentication token
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authToken.setUserAndPassword( client.getUserName(), hashedPassword, alg);
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// Authenticate the user
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Authentication genAuthToken = null;
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try
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{
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// Run the second stage of the passthru authentication
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genAuthToken = m_authComponent.authenticate( authToken);
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// Check if the user has been logged on as a guest
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if (authToken.isGuestLogon())
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{
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// Check if the local server allows guest access
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if (allowGuest() == true)
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{
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// Allow the user access as a guest
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authSts = CifsAuthenticator.AUTH_GUEST;
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}
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}
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else
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{
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// Allow the user full access to the server
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authSts = CifsAuthenticator.AUTH_ALLOW;
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}
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// Set the current user to be authenticated, save the authentication token
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client.setAuthenticationToken( genAuthToken);
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// Get the users home folder node, if available
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getHomeFolderForUser( client);
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// DEBUG
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if ( logger.isDebugEnabled())
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logger.debug("Auth token " + genAuthToken);
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}
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catch ( Exception ex)
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{
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logger.error("Error during passthru authentication", ex);
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}
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// Clear the authentication token
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sess.setAuthenticationToken(null);
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// Return the authentication status
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return authSts;
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}
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}
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@@ -39,6 +39,10 @@ public class NTLMLogonDetails
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private String m_authSrvAddr;
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// Date/time authentication was started
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private long m_createTime;
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// Date/time the user was authenticated
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private long m_authTime;
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@@ -61,6 +65,7 @@ public class NTLMLogonDetails
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*/
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public NTLMLogonDetails()
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{
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m_createTime = System.currentTimeMillis();
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}
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/**
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@@ -74,6 +79,8 @@ public class NTLMLogonDetails
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*/
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public NTLMLogonDetails(String user, String wks, String domain, boolean guest, String authSrv)
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{
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m_createTime = System.currentTimeMillis();
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setDetails(user, wks, domain, guest, authSrv);
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}
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@@ -117,6 +124,16 @@ public class NTLMLogonDetails
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return m_authSrvAddr;
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}
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/**
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* Return the date/time the authentication was started
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*
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* @return long
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*/
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public final long createdAt()
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{
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return m_createTime;
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}
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/**
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* Return the date/time the user was authenticated
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*
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|
Reference in New Issue
Block a user