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package com.sun.enterprise.security.ssl;
import java.net.Socket;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.security.Principal;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.X509KeyManager;
import javax.security.auth.Subject;
//import com.sun.enterprise.Switch;
import com.sun.enterprise.security.common.ClientSecurityContext;
import com.sun.enterprise.security.auth.login.common.X509CertificateCredential;
//copied code from LoginContextDriver to break dependency
//import com.sun.enterprise.security.auth.login.common.LoginContextDriver;
import com.sun.enterprise.security.auth.login.common.LoginException;
import com.sun.enterprise.security.auth.login.common.PasswordCredential;
import com.sun.enterprise.security.common.AppservAccessController;
import com.sun.enterprise.security.common.SecurityConstants;
import com.sun.enterprise.security.common.Util;
import java.util.logging.*;
import com.sun.logging.*;
import java.security.PrivilegedAction;
import java.util.Set;
import javax.net.ssl.X509ExtendedKeyManager;
import javax.security.auth.login.LoginContext;
import com.sun.enterprise.security.ssl.manager.UnifiedX509KeyManager;
/**
* This a J2EE specific Key Manager class that is used to select
* user certificates for SSL client authentication. It delegates most
* of the functionality to the provider specific KeyManager class.
* @author Vivek Nagar
* @author Harpreet Singh
*/
public final class J2EEKeyManager /*implements X509KeyManager */ extends X509ExtendedKeyManager {
private static final Logger _logger = LogDomains.getLogger(J2EEKeyManager.class, LogDomains.SECURITY_LOGGER);
private X509KeyManager mgr = null; // delegate
private String alias = null;
private Map<String, X509KeyManager> tokenName2MgrMap = null;
private boolean supportTokenAlias = false;
public J2EEKeyManager(X509KeyManager mgr, String alias) {
this.mgr = mgr;
this.alias = alias;
if (mgr instanceof UnifiedX509KeyManager) {
UnifiedX509KeyManager umgr = (UnifiedX509KeyManager)mgr;
X509KeyManager[] mgrs = umgr.getX509KeyManagers();
String[] tokenNames = umgr.getTokenNames();
tokenName2MgrMap = new HashMap<String, X509KeyManager>();
for (int i = 0; i < mgrs.length; i++) {
if (tokenNames[i] != null) {
tokenName2MgrMap.put(tokenNames[i], mgrs[i]);
}
}
supportTokenAlias = (tokenName2MgrMap.size() > 0);
}
}
public String chooseEngineClientAlias(String[] keyType, Principal[] issuers, SSLEngine engine) {
return mgr.chooseClientAlias(keyType, issuers, null);
}
public String chooseEngineServerAlias(String keyType, Principal[] issuers, SSLEngine engine) {
return alias;
}
/**
* Choose the client alias that will be used to select the client
* certificate for SSL client auth.
* @param the keytype
* @param the certificate issuers.
* @param the socket used for this connection. This parameter can be null,
* in which case the method will return the most generic alias to use.
* @return the alias.
*/
public String chooseClientAlias(String[] keyType, Principal[] issuers,
Socket socket) {
String clientAlias = null;
if(this.alias == null){
//InvocationManager im = Switch.getSwitch().getInvocationManager();
//if (im == null) {
if(Util.getInstance().isNotServerOrACC()) {
// standalone client
clientAlias = mgr.chooseClientAlias(keyType, issuers, socket);
} else {
//ComponentInvocation ci = im.getCurrentInvocation();
//if (ci == null) { // 4646060
// throw new InvocationException();
//}
//Object containerContext = ci.getContainerContext();
//if(containerContext != null &&
//(containerContext instanceof AppContainer)) {
if (Util.getInstance().isACC()) {
ClientSecurityContext ctx = ClientSecurityContext.getCurrent();
Subject s = ctx.getSubject();
if (s == null) {
// pass the handler and do the login
//TODO V3: LoginContextDriver.doClientLogin(AppContainer.CERTIFICATE,
//AppContainer.getCallbackHandler());
doClientLogin(SecurityConstants.CERTIFICATE,
Util.getInstance().getCallbackHandler());
s = ctx.getSubject();
}
Iterator itr = s.getPrivateCredentials().iterator();
while(itr.hasNext()) {
Object o = itr.next();
if(o instanceof X509CertificateCredential) {
X509CertificateCredential crt =
(X509CertificateCredential) o;
clientAlias = crt.getAlias();
break;
}
}
}
}
}else{
clientAlias = this.alias;
}
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE, "Choose client Alias :{0}", clientAlias);
}
return clientAlias;
}
/**
* Choose the server alias that will be used to select the server
* certificate for SSL server auth.
* @param the keytype
* @param the certificate issuers.
* @param the socket used for this connection. This parameter can be null,
* in which case the method will return the most generic alias to use.
* @return the alias
*/
public String chooseServerAlias(String keyType, Principal[] issuers,
Socket socket) {
String serverAlias = null;
if(this.alias != null){
serverAlias = this.alias;
}else{
serverAlias = mgr.chooseServerAlias(keyType, issuers, socket);
}
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE, "Choosing server alias :{0}", serverAlias);
}
return serverAlias;
}
/**
* Return the certificate chain for the specified alias.
* @param the alias.
* @return the chain of X509 Certificates.
*/
public X509Certificate[] getCertificateChain(String alias) {
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE,"Getting certificate chain");
}
X509KeyManager keyMgr = getManagerFromToken(alias);
if (keyMgr != null) {
String aliasName = alias.substring(alias.indexOf(':') + 1);
return keyMgr.getCertificateChain(aliasName);
} else {
return mgr.getCertificateChain(alias);
}
}
/**
* Return all the available client aliases for the specified key type.
* @param the keytype
* @param the certificate issuers.
* @return the array of aliases.
*/
public String[] getClientAliases(String keyType, Principal[] issuers) {
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE,"Getting client aliases");
}
return mgr.getClientAliases(keyType, issuers);
}
/**
* Return all the available server aliases for the specified key type.
* @param the keytype
* @param the certificate issuers.
* @return the array of aliases.
*/
public String[] getServerAliases(String keyType, Principal[] issuers) {
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE,"Getting server aliases");
}
return mgr.getServerAliases(keyType, issuers);
}
/**
* Return the private key for the specified alias.
* @param the alias.
* @return the private key.
*/
public PrivateKey getPrivateKey(String alias) {
if(_logger.isLoggable(Level.FINE)){
_logger.log(Level.FINE, "Getting private key for alias:{0}", alias);
}
X509KeyManager keyMgr = getManagerFromToken(alias);
if (keyMgr != null) {
String aliasName = alias.substring(alias.indexOf(':') + 1);
return keyMgr.getPrivateKey(aliasName);
} else {
return mgr.getPrivateKey(alias);
}
}
/**
* Find the corresponding X509KeyManager associated to token in alias.
* It returns null if there is n
* @param tokenAlias of the form <tokenName>:<aliasName>
*/
private X509KeyManager getManagerFromToken(String tokenAlias) {
X509KeyManager keyMgr = null;
int ind = -1;
if (supportTokenAlias && tokenAlias != null && (ind = tokenAlias.indexOf(':')) != -1) {
String tokenName = alias.substring(0, ind);
keyMgr = tokenName2MgrMap.get(tokenName);
}
return keyMgr;
}
//TODO:V3 copied all method(s)below from LoginContextDriver to break dependencies among modules
private static final String CLIENT_JAAS_PASSWORD = "default";
/**
* Perform login on the client side.
* It just simulates the login on the client side.
* The method uses the callback handlers and generates correct
* credential information that will be later sent to the server
* @param int type whether it is <i> username_password</i> or
* <i> certificate </i> based login.
* @param CallbackHandler the callback handler to gather user information.
* @exception LoginException the exception thrown by the callback handler.
*/
public static Subject doClientLogin(int type,
javax.security.auth.callback.CallbackHandler jaasHandler)
throws LoginException
{
final javax.security.auth.callback.CallbackHandler handler =
jaasHandler;
// the subject will actually be filled in with a PasswordCredential
// required by the csiv2 layer in the LoginModule.
// we create the dummy credential here and call the
// set security context. Thus, we have 2 credentials, one each for
// the csiv2 layer and the other for the RI.
final Subject subject = new Subject();
//V3:Commented : TODO uncomment later for Appcontainer
if (type == SecurityConstants.USERNAME_PASSWORD){
AppservAccessController.doPrivileged(new PrivilegedAction() {
public java.lang.Object run() {
try{
LoginContext lg =
new LoginContext(SecurityConstants.CLIENT_JAAS_PASSWORD,
subject, handler);
lg.login();
}catch(javax.security.auth.login.LoginException e){
throw (LoginException)
new LoginException(e.toString()).initCause(e);
}
return null;
}
});
postClientAuth(subject, PasswordCredential.class);
return subject;
} else if (type == SecurityConstants.CERTIFICATE){
AppservAccessController.doPrivileged(new PrivilegedAction() {
public java.lang.Object run() {
try{
LoginContext lg =
new LoginContext(SecurityConstants.CLIENT_JAAS_CERTIFICATE,
subject, handler);
lg.login();
}catch(javax.security.auth.login.LoginException e){
throw (LoginException)
new LoginException(e.toString()).initCause(e);
}
return null;
}
});
postClientAuth(subject, X509CertificateCredential.class);
return subject;
} else if (type == SecurityConstants.ALL){
AppservAccessController.doPrivileged(new PrivilegedAction() {
public java.lang.Object run() {
try{
LoginContext lgup =
new LoginContext(SecurityConstants.CLIENT_JAAS_PASSWORD,
subject, handler);
LoginContext lgc =
new LoginContext(SecurityConstants.CLIENT_JAAS_CERTIFICATE,
subject, handler);
lgup.login();
postClientAuth(subject, PasswordCredential.class);
lgc.login();
postClientAuth(subject,
X509CertificateCredential.class);
}catch(javax.security.auth.login.LoginException e){
throw (LoginException)
new LoginException(e.toString()).initCause(e);
}
return null;
}
});
return subject;
} else{
AppservAccessController.doPrivileged(new PrivilegedAction() {
public java.lang.Object run() {
try{
LoginContext lg =
new LoginContext(SecurityConstants.CLIENT_JAAS_PASSWORD,
subject, handler);
lg.login();
postClientAuth(subject, PasswordCredential.class);
}catch(javax.security.auth.login.LoginException e){
throw (LoginException)
new LoginException(e.toString()).initCause(e);
}
return null;
}
});
return subject;
}
}
/**
* Extract the relevant username and realm information from the
* subject and sets the correct state in the security context. The
* relevant information is set into the Thread Local Storage from
* which then is extracted to send over the wire.
*
* @param Subject the subject returned by the JAAS login.
* @param Class the class of the credential object stored in the subject
*
*/
private static void postClientAuth(Subject subject, Class<?> clazz){
final Class<?> clas = clazz;
final Subject fs = subject;
Set credset =
(Set) AppservAccessController.doPrivileged(new PrivilegedAction<Set>() {
public Set run() {
if(_logger.isLoggable(Level.FINEST)){
_logger.log(Level.FINEST, "LCD post login subject :{0}", fs);
}
return fs.getPrivateCredentials(clas);
}
});
final Iterator iter = credset.iterator();
while(iter.hasNext()) {
Object obj = null;
try{
obj = AppservAccessController.doPrivileged(new PrivilegedAction(){
public java.lang.Object run(){
return iter.next();
}
});
} catch (Exception e){
// should never come here
_logger.log(Level.SEVERE,
"java_security.accesscontroller_action_exception",
e);
}
if(obj instanceof PasswordCredential) {
PasswordCredential p = (PasswordCredential) obj;
String user = p.getUser();
if(_logger.isLoggable(Level.FINEST)){
String realm = p.getRealm();
_logger.log(Level.FINEST, "In LCD user-pass login:{0} realm :{1}",
new Object[]{user, realm});
}
setClientSecurityContext(user, fs);
return;
} else if (obj instanceof X509CertificateCredential){
X509CertificateCredential p = (X509CertificateCredential) obj;
String user = p.getAlias();
if(_logger.isLoggable(Level.FINEST)){
String realm = p.getRealm();
_logger.log(Level.FINEST, "In LCD cert-login::{0} realm :{1}",
new Object[]{user, realm});
}
setClientSecurityContext(user, fs);
return;
}
}
}
/**
* Sets the security context on the appclient side.
* It sets the relevant information into the TLS
* @param String username is the user who authenticated
* @param Subject is the subject representation of the user
* @param Credentials the credentials that the server associated with it
*/
private static void setClientSecurityContext(String username,
Subject subject) {
ClientSecurityContext securityContext =
new ClientSecurityContext(username, subject);
ClientSecurityContext.setCurrent(securityContext);
}
}