package org.argeo.cms.internal.kernel;
+import java.io.IOException;
+import java.net.Inet6Address;
+import java.net.InetAddress;
import java.net.URI;
import java.net.URISyntaxException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.security.PrivilegedExceptionAction;
+import java.util.ArrayList;
import java.util.Dictionary;
import java.util.HashMap;
import java.util.Hashtable;
+import java.util.Iterator;
import java.util.Map;
import javax.naming.ldap.LdapName;
+import javax.security.auth.Subject;
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.NameCallback;
+import javax.security.auth.callback.UnsupportedCallbackException;
+import javax.security.auth.kerberos.KerberosPrincipal;
+import javax.security.auth.login.LoginContext;
+import javax.security.auth.login.LoginException;
import javax.transaction.TransactionManager;
+import org.apache.commons.httpclient.auth.AuthPolicy;
+import org.apache.commons.httpclient.auth.CredentialsProvider;
+import org.apache.commons.httpclient.cookie.CookiePolicy;
+import org.apache.commons.httpclient.params.DefaultHttpParams;
+import org.apache.commons.httpclient.params.HttpMethodParams;
+import org.apache.commons.httpclient.params.HttpParams;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.argeo.cms.CmsException;
+import org.argeo.cms.internal.http.NodeHttp;
+import org.argeo.cms.internal.http.client.HttpCredentialProvider;
+import org.argeo.cms.internal.http.client.SpnegoAuthScheme;
+import org.argeo.naming.DnsBrowser;
import org.argeo.node.NodeConstants;
import org.argeo.osgi.useradmin.AbstractUserDirectory;
import org.argeo.osgi.useradmin.AggregatingUserAdmin;
import org.argeo.osgi.useradmin.LdifUserAdmin;
import org.argeo.osgi.useradmin.UserAdminConf;
import org.argeo.osgi.useradmin.UserDirectory;
+import org.ietf.jgss.GSSCredential;
+import org.ietf.jgss.GSSException;
+import org.ietf.jgss.GSSManager;
+import org.ietf.jgss.GSSName;
+import org.ietf.jgss.Oid;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Constants;
import org.osgi.framework.FrameworkUtil;
private final ServiceTracker<TransactionManager, TransactionManager> tmTracker;
private final String cacheName = UserDirectory.class.getName();
+ // GSS API
+ private Path nodeKeyTab = KernelUtils.getOsgiInstancePath(KernelConstants.NODE_KEY_TAB_PATH);
+ private GSSCredential acceptorCredentials;
+
public NodeUserAdmin(String systemRolesBaseDn) {
super(systemRolesBaseDn);
tmTracker = new ServiceTracker<>(bc, TransactionManager.class, null);
// Create
AbstractUserDirectory userDirectory = u.getScheme().equals("ldap") ? new LdapUserAdmin(properties)
: new LdifUserAdmin(properties);
+ Object realm = userDirectory.getProperties().get(UserAdminConf.realm.name());
addUserDirectory(userDirectory);
// OSGi
LdapName baseDn = userDirectory.getBaseDn();
Dictionary<String, Object> regProps = new Hashtable<>();
regProps.put(Constants.SERVICE_PID, pid);
- if(isSystemRolesBaseDn(baseDn))
+ if (isSystemRolesBaseDn(baseDn))
regProps.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
regProps.put(UserAdminConf.baseDn.name(), baseDn);
ServiceRegistration<UserDirectory> reg = bc.registerService(UserDirectory.class, userDirectory, regProps);
pidToServiceRegs.put(pid, reg);
if (log.isDebugEnabled())
- log.debug("User directory " + userDirectory.getBaseDn() + " [" + u.getScheme() + "] enabled.");
+ log.debug("User directory " + userDirectory.getBaseDn() + " [" + u.getScheme() + "] enabled."
+ + (realm != null ? " " + realm + " realm." : ""));
if (!isSystemRolesBaseDn(baseDn)) {
if (userAdminReg != null)
userDirectory.setTransactionManager(tm);
if (tmTracker.getService() instanceof BitronixTransactionManager)
EhCacheXAResourceProducer.registerXAResource(cacheName, userDirectory.getXaResource());
+
+ Object realm = userDirectory.getProperties().get(UserAdminConf.realm.name());
+ if (realm != null) {
+ if (Files.exists(nodeKeyTab)) {
+ String servicePrincipal = getKerberosServicePrincipal(realm.toString());
+ if (servicePrincipal != null) {
+ CallbackHandler callbackHandler = new CallbackHandler() {
+ @Override
+ public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
+ for (Callback callback : callbacks)
+ if (callback instanceof NameCallback)
+ ((NameCallback) callback).setName(servicePrincipal);
+
+ }
+ };
+ try {
+ LoginContext nodeLc = new LoginContext(NodeConstants.LOGIN_CONTEXT_NODE, callbackHandler);
+ nodeLc.login();
+ acceptorCredentials = logInAsAcceptor(nodeLc.getSubject(), servicePrincipal);
+ } catch (LoginException e) {
+ throw new CmsException("Cannot log in kernel", e);
+ }
+ }
+ }
+
+ // Register client-side SPNEGO auth scheme
+ AuthPolicy.registerAuthScheme(SpnegoAuthScheme.NAME, SpnegoAuthScheme.class);
+ HttpParams params = DefaultHttpParams.getDefaultParams();
+ ArrayList<String> schemes = new ArrayList<>();
+ schemes.add(SpnegoAuthScheme.NAME);// SPNEGO preferred
+ // schemes.add(AuthPolicy.BASIC);// incompatible with Basic
+ params.setParameter(AuthPolicy.AUTH_SCHEME_PRIORITY, schemes);
+ params.setParameter(CredentialsProvider.PROVIDER, new HttpCredentialProvider());
+ params.setParameter(HttpMethodParams.COOKIE_POLICY, CookiePolicy.BROWSER_COMPATIBILITY);
+ // params.setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
+ }
}
- protected void preDestroy(UserDirectory userDirectory) {
+ protected void preDestroy(AbstractUserDirectory userDirectory) {
if (tmTracker.getService() instanceof BitronixTransactionManager)
EhCacheXAResourceProducer.unregisterXAResource(cacheName, userDirectory.getXaResource());
+
+ Object realm = userDirectory.getProperties().get(UserAdminConf.realm.name());
+ if (realm != null) {
+ if (acceptorCredentials != null) {
+ try {
+ acceptorCredentials.dispose();
+ } catch (GSSException e) {
+ // silent
+ }
+ acceptorCredentials = null;
+ }
+ }
+ }
+
+ private String getKerberosServicePrincipal(String realm) {
+ String hostname;
+ try (DnsBrowser dnsBrowser = new DnsBrowser()) {
+ InetAddress localhost = InetAddress.getLocalHost();
+ hostname = localhost.getHostName();
+ String dnsZone = hostname.substring(hostname.indexOf('.') + 1);
+ String ipfromDns = dnsBrowser.getRecord(hostname, localhost instanceof Inet6Address ? "AAAA" : "A");
+ boolean consistentIp = localhost.getHostAddress().equals(ipfromDns);
+ String kerberosDomain = dnsBrowser.getRecord("_kerberos." + dnsZone, "TXT");
+ if (consistentIp && kerberosDomain != null && kerberosDomain.equals(realm) && Files.exists(nodeKeyTab)) {
+ return NodeHttp.DEFAULT_SERVICE + "/" + hostname + "@" + kerberosDomain;
+ } else
+ return null;
+ } catch (Exception e) {
+ log.warn("Exception when determining kerberos principal", e);
+ return null;
+ }
+ }
+
+ private GSSCredential logInAsAcceptor(Subject subject, String servicePrincipal) {
+ // GSS
+ Iterator<KerberosPrincipal> krb5It = subject.getPrincipals(KerberosPrincipal.class).iterator();
+ if (!krb5It.hasNext())
+ return null;
+ KerberosPrincipal krb5Principal = null;
+ while (krb5It.hasNext()) {
+ KerberosPrincipal principal = krb5It.next();
+ if (principal.getName().equals(servicePrincipal))
+ krb5Principal = principal;
+ }
+
+ if (krb5Principal == null)
+ return null;
+
+ GSSManager manager = GSSManager.getInstance();
+ try {
+ GSSName gssName = manager.createName(krb5Principal.getName(), null);
+ GSSCredential serverCredentials = Subject.doAs(subject, new PrivilegedExceptionAction<GSSCredential>() {
+
+ @Override
+ public GSSCredential run() throws GSSException {
+ return manager.createCredential(gssName, GSSCredential.INDEFINITE_LIFETIME, KERBEROS_OID,
+ GSSCredential.ACCEPT_ONLY);
+
+ }
+
+ });
+ if (log.isDebugEnabled())
+ log.debug("GSS acceptor configured for " + krb5Principal);
+ return serverCredentials;
+ } catch (Exception gsse) {
+ throw new CmsException("Cannot create acceptor credentials for " + krb5Principal, gsse);
+ }
+ }
+
+ public GSSCredential getAcceptorCredentials() {
+ return acceptorCredentials;
+ }
+
+ public final static Oid KERBEROS_OID;
+ static {
+ try {
+ KERBEROS_OID = new Oid("1.3.6.1.5.5.2");
+ } catch (GSSException e) {
+ throw new IllegalStateException("Cannot create Kerberos OID", e);
+ }
}
}
projects / lgpl / argeo-commons.git / blobdiff