1 package org
.argeo
.cms
.internal
.kernel
;
3 import java
.io
.IOException
;
4 import java
.net
.Inet6Address
;
5 import java
.net
.InetAddress
;
7 import java
.net
.URISyntaxException
;
8 import java
.nio
.file
.Files
;
9 import java
.nio
.file
.Path
;
10 import java
.security
.PrivilegedExceptionAction
;
11 import java
.util
.ArrayList
;
12 import java
.util
.Dictionary
;
13 import java
.util
.HashMap
;
14 import java
.util
.Hashtable
;
15 import java
.util
.Iterator
;
19 import javax
.naming
.ldap
.LdapName
;
20 import javax
.security
.auth
.Subject
;
21 import javax
.security
.auth
.callback
.Callback
;
22 import javax
.security
.auth
.callback
.CallbackHandler
;
23 import javax
.security
.auth
.callback
.NameCallback
;
24 import javax
.security
.auth
.callback
.UnsupportedCallbackException
;
25 import javax
.security
.auth
.kerberos
.KerberosPrincipal
;
26 import javax
.security
.auth
.login
.LoginContext
;
27 import javax
.security
.auth
.login
.LoginException
;
28 import javax
.transaction
.TransactionManager
;
30 import org
.apache
.commons
.httpclient
.auth
.AuthPolicy
;
31 import org
.apache
.commons
.httpclient
.auth
.CredentialsProvider
;
32 import org
.apache
.commons
.httpclient
.params
.DefaultHttpParams
;
33 import org
.apache
.commons
.httpclient
.params
.HttpMethodParams
;
34 import org
.apache
.commons
.httpclient
.params
.HttpParams
;
35 import org
.apache
.commons
.logging
.Log
;
36 import org
.apache
.commons
.logging
.LogFactory
;
37 import org
.argeo
.api
.NodeConstants
;
38 import org
.argeo
.cms
.internal
.http
.client
.HttpCredentialProvider
;
39 import org
.argeo
.cms
.internal
.http
.client
.SpnegoAuthScheme
;
40 import org
.argeo
.naming
.DnsBrowser
;
41 import org
.argeo
.osgi
.useradmin
.AbstractUserDirectory
;
42 import org
.argeo
.osgi
.useradmin
.AggregatingUserAdmin
;
43 import org
.argeo
.osgi
.useradmin
.LdapUserAdmin
;
44 import org
.argeo
.osgi
.useradmin
.LdifUserAdmin
;
45 import org
.argeo
.osgi
.useradmin
.OsUserDirectory
;
46 import org
.argeo
.osgi
.useradmin
.UserAdminConf
;
47 import org
.argeo
.osgi
.useradmin
.UserDirectory
;
48 import org
.ietf
.jgss
.GSSCredential
;
49 import org
.ietf
.jgss
.GSSException
;
50 import org
.ietf
.jgss
.GSSManager
;
51 import org
.ietf
.jgss
.GSSName
;
52 import org
.ietf
.jgss
.Oid
;
53 import org
.osgi
.framework
.BundleContext
;
54 import org
.osgi
.framework
.Constants
;
55 import org
.osgi
.service
.cm
.ConfigurationException
;
56 import org
.osgi
.service
.cm
.ManagedServiceFactory
;
57 import org
.osgi
.service
.useradmin
.Authorization
;
58 import org
.osgi
.service
.useradmin
.UserAdmin
;
59 import org
.osgi
.util
.tracker
.ServiceTracker
;
62 * Aggregates multiple {@link UserDirectory} and integrates them with system
65 class NodeUserAdmin
extends AggregatingUserAdmin
implements ManagedServiceFactory
, KernelConstants
{
66 private final static Log log
= LogFactory
.getLog(NodeUserAdmin
.class);
67 // private final BundleContext bc = FrameworkUtil.getBundle(getClass()).getBundleContext();
70 private Map
<String
, LdapName
> pidToBaseDn
= new HashMap
<>();
71 // private Map<String, ServiceRegistration<UserDirectory>> pidToServiceRegs = new HashMap<>();
72 // private ServiceRegistration<UserAdmin> userAdminReg;
75 private final ServiceTracker
<TransactionManager
, TransactionManager
> tmTracker
;
76 // private final String cacheName = UserDirectory.class.getName();
79 private Path nodeKeyTab
= KernelUtils
.getOsgiInstancePath(KernelConstants
.NODE_KEY_TAB_PATH
);
80 private GSSCredential acceptorCredentials
;
82 private boolean singleUser
= false;
83 // private boolean systemRolesAvailable = false;
85 public NodeUserAdmin(String systemRolesBaseDn
, String tokensBaseDn
) {
86 super(systemRolesBaseDn
, tokensBaseDn
);
87 BundleContext bc
= Activator
.getBundleContext();
89 tmTracker
= new ServiceTracker
<>(bc
, TransactionManager
.class, null);
97 public void updated(String pid
, Dictionary
<String
, ?
> properties
) throws ConfigurationException
{
98 String uri
= (String
) properties
.get(UserAdminConf
.uri
.name());
99 Object realm
= properties
.get(UserAdminConf
.realm
.name());
103 String baseDn
= (String
) properties
.get(UserAdminConf
.baseDn
.name());
104 u
= KernelUtils
.getOsgiInstanceUri(KernelConstants
.DIR_NODE
+ '/' + baseDn
+ ".ldif");
105 } else if (realm
!= null) {
110 } catch (URISyntaxException e
) {
111 throw new IllegalArgumentException("Badly formatted URI " + uri
, e
);
115 AbstractUserDirectory userDirectory
;
116 if (realm
!= null || UserAdminConf
.SCHEME_LDAP
.equals(u
.getScheme())
117 || UserAdminConf
.SCHEME_LDAPS
.equals(u
.getScheme())) {
118 userDirectory
= new LdapUserAdmin(properties
);
119 } else if (UserAdminConf
.SCHEME_FILE
.equals(u
.getScheme())) {
120 userDirectory
= new LdifUserAdmin(u
, properties
);
121 } else if (UserAdminConf
.SCHEME_OS
.equals(u
.getScheme())) {
122 userDirectory
= new OsUserDirectory(u
, properties
);
125 throw new IllegalArgumentException("Unsupported scheme " + u
.getScheme());
127 addUserDirectory(userDirectory
);
130 LdapName baseDn
= userDirectory
.getBaseDn();
131 Dictionary
<String
, Object
> regProps
= new Hashtable
<>();
132 regProps
.put(Constants
.SERVICE_PID
, pid
);
133 if (isSystemRolesBaseDn(baseDn
))
134 regProps
.put(Constants
.SERVICE_RANKING
, Integer
.MAX_VALUE
);
135 regProps
.put(UserAdminConf
.baseDn
.name(), baseDn
);
136 // ServiceRegistration<UserDirectory> reg =
137 // bc.registerService(UserDirectory.class, userDirectory, regProps);
138 Activator
.registerService(UserDirectory
.class, userDirectory
, regProps
);
139 pidToBaseDn
.put(pid
, baseDn
);
140 // pidToServiceRegs.put(pid, reg);
142 if (log
.isDebugEnabled()) {
143 log
.debug("User directory " + userDirectory
.getBaseDn() + (u
!= null ?
" [" + u
.getScheme() + "]" : "")
144 + " enabled." + (realm
!= null ?
" " + realm
+ " realm." : ""));
147 if (isSystemRolesBaseDn(baseDn
)) {
148 // publishes only when system roles are available
149 Dictionary
<String
, Object
> userAdminregProps
= new Hashtable
<>();
150 userAdminregProps
.put(NodeConstants
.CN
, NodeConstants
.DEFAULT
);
151 userAdminregProps
.put(Constants
.SERVICE_RANKING
, Integer
.MAX_VALUE
);
152 Activator
.registerService(UserAdmin
.class, this, userAdminregProps
);
155 // if (isSystemRolesBaseDn(baseDn))
156 // systemRolesAvailable = true;
158 // // start publishing only when system roles are available
159 // if (systemRolesAvailable) {
160 // // The list of baseDns is published as properties
161 // // TODO clients should rather reference USerDirectory services
162 // if (userAdminReg != null)
163 // userAdminReg.unregister();
164 // // register self as main user admin
165 // Dictionary<String, Object> userAdminregProps = currentState();
166 // userAdminregProps.put(NodeConstants.CN, NodeConstants.DEFAULT);
167 // userAdminregProps.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
168 // userAdminReg = bc.registerService(UserAdmin.class, this, userAdminregProps);
173 public void deleted(String pid
) {
174 // assert pidToServiceRegs.get(pid) != null;
175 assert pidToBaseDn
.get(pid
) != null;
176 // pidToServiceRegs.remove(pid).unregister();
177 LdapName baseDn
= pidToBaseDn
.remove(pid
);
178 removeUserDirectory(baseDn
);
182 public String
getName() {
183 return "Node User Admin";
187 protected void addAbstractSystemRoles(Authorization rawAuthorization
, Set
<String
> sysRoles
) {
188 if (rawAuthorization
.getName() == null) {
189 sysRoles
.add(NodeConstants
.ROLE_ANONYMOUS
);
191 sysRoles
.add(NodeConstants
.ROLE_USER
);
195 protected void postAdd(AbstractUserDirectory userDirectory
) {
197 TransactionManager tm
= tmTracker
!= null ? tmTracker
.getService() : null;
199 throw new IllegalStateException("A JTA transaction manager must be available.");
200 userDirectory
.setTransactionManager(tm
);
201 // if (tmTracker.getService() instanceof BitronixTransactionManager)
202 // EhCacheXAResourceProducer.registerXAResource(cacheName, userDirectory.getXaResource());
204 Object realm
= userDirectory
.getProperties().get(UserAdminConf
.realm
.name());
206 if (Files
.exists(nodeKeyTab
)) {
207 String servicePrincipal
= getKerberosServicePrincipal(realm
.toString());
208 if (servicePrincipal
!= null) {
209 CallbackHandler callbackHandler
= new CallbackHandler() {
211 public void handle(Callback
[] callbacks
) throws IOException
, UnsupportedCallbackException
{
212 for (Callback callback
: callbacks
)
213 if (callback
instanceof NameCallback
)
214 ((NameCallback
) callback
).setName(servicePrincipal
);
219 LoginContext nodeLc
= new LoginContext(NodeConstants
.LOGIN_CONTEXT_NODE
, callbackHandler
);
221 acceptorCredentials
= logInAsAcceptor(nodeLc
.getSubject(), servicePrincipal
);
222 } catch (LoginException e
) {
223 throw new IllegalStateException("Cannot log in kernel", e
);
228 // Register client-side SPNEGO auth scheme
229 AuthPolicy
.registerAuthScheme(SpnegoAuthScheme
.NAME
, SpnegoAuthScheme
.class);
230 HttpParams params
= DefaultHttpParams
.getDefaultParams();
231 ArrayList
<String
> schemes
= new ArrayList
<>();
232 schemes
.add(SpnegoAuthScheme
.NAME
);// SPNEGO preferred
233 // schemes.add(AuthPolicy.BASIC);// incompatible with Basic
234 params
.setParameter(AuthPolicy
.AUTH_SCHEME_PRIORITY
, schemes
);
235 params
.setParameter(CredentialsProvider
.PROVIDER
, new HttpCredentialProvider());
236 params
.setParameter(HttpMethodParams
.COOKIE_POLICY
, KernelConstants
.COOKIE_POLICY_BROWSER_COMPATIBILITY
);
237 // params.setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
241 protected void preDestroy(AbstractUserDirectory userDirectory
) {
242 // if (tmTracker.getService() instanceof BitronixTransactionManager)
243 // EhCacheXAResourceProducer.unregisterXAResource(cacheName, userDirectory.getXaResource());
245 Object realm
= userDirectory
.getProperties().get(UserAdminConf
.realm
.name());
247 if (acceptorCredentials
!= null) {
249 acceptorCredentials
.dispose();
250 } catch (GSSException e
) {
253 acceptorCredentials
= null;
258 private String
getKerberosServicePrincipal(String realm
) {
260 try (DnsBrowser dnsBrowser
= new DnsBrowser()) {
261 InetAddress localhost
= InetAddress
.getLocalHost();
262 hostname
= localhost
.getHostName();
263 String dnsZone
= hostname
.substring(hostname
.indexOf('.') + 1);
264 String ipfromDns
= dnsBrowser
.getRecord(hostname
, localhost
instanceof Inet6Address ?
"AAAA" : "A");
265 boolean consistentIp
= localhost
.getHostAddress().equals(ipfromDns
);
266 String kerberosDomain
= dnsBrowser
.getRecord("_kerberos." + dnsZone
, "TXT");
267 if (consistentIp
&& kerberosDomain
!= null && kerberosDomain
.equals(realm
) && Files
.exists(nodeKeyTab
)) {
268 return KernelConstants
.DEFAULT_KERBEROS_SERVICE
+ "/" + hostname
+ "@" + kerberosDomain
;
271 } catch (Exception e
) {
272 log
.warn("Exception when determining kerberos principal", e
);
277 private GSSCredential
logInAsAcceptor(Subject subject
, String servicePrincipal
) {
279 Iterator
<KerberosPrincipal
> krb5It
= subject
.getPrincipals(KerberosPrincipal
.class).iterator();
280 if (!krb5It
.hasNext())
282 KerberosPrincipal krb5Principal
= null;
283 while (krb5It
.hasNext()) {
284 KerberosPrincipal principal
= krb5It
.next();
285 if (principal
.getName().equals(servicePrincipal
))
286 krb5Principal
= principal
;
289 if (krb5Principal
== null)
292 GSSManager manager
= GSSManager
.getInstance();
294 GSSName gssName
= manager
.createName(krb5Principal
.getName(), null);
295 GSSCredential serverCredentials
= Subject
.doAs(subject
, new PrivilegedExceptionAction
<GSSCredential
>() {
298 public GSSCredential
run() throws GSSException
{
299 return manager
.createCredential(gssName
, GSSCredential
.INDEFINITE_LIFETIME
, KERBEROS_OID
,
300 GSSCredential
.ACCEPT_ONLY
);
305 if (log
.isDebugEnabled())
306 log
.debug("GSS acceptor configured for " + krb5Principal
);
307 return serverCredentials
;
308 } catch (Exception gsse
) {
309 throw new IllegalStateException("Cannot create acceptor credentials for " + krb5Principal
, gsse
);
313 public GSSCredential
getAcceptorCredentials() {
314 return acceptorCredentials
;
317 public boolean isSingleUser() {
321 public final static Oid KERBEROS_OID
;
324 KERBEROS_OID
= new Oid("1.3.6.1.5.5.2");
325 } catch (GSSException e
) {
326 throw new IllegalStateException("Cannot create Kerberos OID", e
);