Initial revision

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102074 138bc75d-0d04-0410-961f-82ee72b054a4

9 files changed, 872 insertions, 0 deletions

diff --git a/libjava/classpath/javax/security/auth/login/AccountExpiredException.java b/libjava/classpath/javax/security/auth/login/AccountExpiredException.java
new file mode 100644
index 00000000000..74a97a7dd3b
--- /dev/null
+++ b/libjava/classpath/javax/security/auth/login/AccountExpiredException.java
@@ -0,0 +1,64 @@
+/* AccountExpiredException.java
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.security.auth.login;
+
+/**
+ * An exception that signals that an attempt was made to login to an account
+ * that has expired.
+ */
+public class AccountExpiredException extends LoginException
+{
+
+  // Constant.
+  // -------------------------------------------------------------------------
+
+  private static final long serialVersionUID = -6064064890162661560L;
+
+  // Constructors.
+  // -------------------------------------------------------------------------
+
+  public AccountExpiredException()
+  {
+  }
+
+  public AccountExpiredException (String message)
+  {
+    super (message);
+  }
+}
diff --git a/libjava/classpath/javax/security/auth/login/AppConfigurationEntry.java b/libjava/classpath/javax/security/auth/login/AppConfigurationEntry.java
new file mode 100644
index 00000000000..557d3d7f89f
--- /dev/null
+++ b/libjava/classpath/javax/security/auth/login/AppConfigurationEntry.java
@@ -0,0 +1,135 @@
+/* AppConfigurationEntry.java
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.security.auth.login;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+public class AppConfigurationEntry
+{
+
+  // Fields.
+  // -------------------------------------------------------------------------
+
+  private final String loginModuleName;
+  private final LoginModuleControlFlag controlFlag;
+  private final Map options;
+
+  // Constructor.
+  // -------------------------------------------------------------------------
+
+  public AppConfigurationEntry (final String loginModuleName,
+                                final LoginModuleControlFlag controlFlag,
+                                final Map options)
+  {
+    if (loginModuleName == null || loginModuleName.length() == 0)
+      throw new IllegalArgumentException ("module name cannot be null nor empty");
+    if (LoginModuleControlFlag.OPTIONAL != controlFlag &&
+        LoginModuleControlFlag.REQUIRED != controlFlag &&
+        LoginModuleControlFlag.REQUISITE != controlFlag &&
+        LoginModuleControlFlag.SUFFICIENT != controlFlag)
+      throw new IllegalArgumentException ("invalid controlFlag");
+    if (options == null)
+      throw new IllegalArgumentException ("options cannot be null");
+    this.loginModuleName = loginModuleName;
+    this.controlFlag = controlFlag;
+    this.options = Collections.unmodifiableMap (new HashMap (options));
+  }
+
+  // Instance methods.
+  // -------------------------------------------------------------------------
+
+  public LoginModuleControlFlag getControlFlag()
+  {
+    return controlFlag;
+  }
+
+  public String getLoginModuleName()
+  {
+    return loginModuleName;
+  }
+
+  public Map getOptions()
+  {
+    return options;
+  }
+
+// Inner class.
+  // -------------------------------------------------------------------------
+
+  public static class LoginModuleControlFlag
+  {
+
+    // Constants.
+    // -----------------------------------------------------------------------
+
+    public static final LoginModuleControlFlag OPTIONAL = new LoginModuleControlFlag();
+    public static final LoginModuleControlFlag REQUIRED = new LoginModuleControlFlag();
+    public static final LoginModuleControlFlag REQUISITE = new LoginModuleControlFlag();
+    public static final LoginModuleControlFlag SUFFICIENT = new LoginModuleControlFlag();
+
+    // Constructor.
+    // -----------------------------------------------------------------------
+
+    private LoginModuleControlFlag()
+    {
+    }
+
+    // Instance methods.
+    // -----------------------------------------------------------------------
+
+    public String toString()
+    {
+      StringBuffer buf = new StringBuffer (LoginModuleControlFlag.class.getName());
+      buf.append ('.');
+      if (this == OPTIONAL)
+        buf.append ("OPTIONAL");
+      else if (this == REQUIRED)
+        buf.append ("REQUIRED");
+      else if (this == REQUISITE)
+        buf.append ("REQUISITE");
+      else if (this == SUFFICIENT)
+        buf.append ("SUFFICIENT");
+      else
+        buf.append ("HARVEY_THE_RABBIT");
+      return buf.toString();
+    }
+  }
+}
diff --git a/libjava/classpath/javax/security/auth/login/Configuration.java b/libjava/classpath/javax/security/auth/login/Configuration.java
new file mode 100644
index 00000000000..1e0d272f19e
--- /dev/null
+++ b/libjava/classpath/javax/security/auth/login/Configuration.java
@@ -0,0 +1,120 @@
+/* Configuration.java
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.security.auth.login;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.security.Security;
+
+import javax.security.auth.AuthPermission;
+
+public abstract class Configuration
+{
+
+  // Fields.
+  // -------------------------------------------------------------------------
+
+  private static Configuration config;
+
+  // Constructors.
+  // -------------------------------------------------------------------------
+
+  protected Configuration()
+  {
+  }
+
+  // Class methods.
+  // -------------------------------------------------------------------------
+
+  public static synchronized Configuration getConfiguration()
+  {
+    SecurityManager sm = System.getSecurityManager();
+    if (sm != null)
+      sm.checkPermission (new AuthPermission ("getLoginConfiguration"));
+    if (config == null)
+      {
+        String conf = (String) AccessController.doPrivileged
+          (new PrivilegedAction()
+            {
+              public Object run()
+              {
+                return Security.getProperty ("login.configuration.provider");
+              }
+            });
+        try
+          {
+            if (conf != null)
+              config = (Configuration) Class.forName (conf).newInstance();
+            else
+              config = new NullConfiguration();
+          }
+        catch (Exception x)
+          {
+            config = new NullConfiguration();
+          }
+      }
+    return config;
+  }
+
+  public static synchronized void setConfiguration (Configuration config)
+  {
+    SecurityManager sm = System.getSecurityManager();
+    if (sm != null)
+      sm.checkPermission (new AuthPermission ("setLoginConfiguration"));
+    Configuration.config = config;
+  }
+
+  // Abstract methods.
+  // -------------------------------------------------------------------------
+
+  public abstract AppConfigurationEntry[] getAppConfigurationEntry (String applicationName);
+
+  public abstract void refresh();
+
+  // Package-private methods.
+  // -------------------------------------------------------------------------
+
+  /**
+   * Get the current configuration, bypassing security checks.
+   */
+  static Configuration getConfig()
+  {
+    return config;
+  }
+}
diff --git a/libjava/classpath/javax/security/auth/login/CredentialExpiredException.java b/libjava/classpath/javax/security/auth/login/CredentialExpiredException.java
new file mode 100644
index 00000000000..03f7ec964a3
--- /dev/null
+++ b/libjava/classpath/javax/security/auth/login/CredentialExpiredException.java
@@ -0,0 +1,64 @@
+/* CredentialExpiredException.java
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.security.auth.login;
+
+/**
+ * An exception that signals an attempt to login with a credential that
+ * has expired.
+ */
+public class CredentialExpiredException extends LoginException
+{
+
+  // Constant.
+  // -------------------------------------------------------------------------
+
+  private static final long serialVersionUID = -5344739593859737937L;
+
+  // Constructors.
+  // -------------------------------------------------------------------------
+
+  public CredentialExpiredException()
+  {
+  }
+
+  public CredentialExpiredException (String message)
+  {
+    super (message);
+  }
+}
diff --git a/libjava/classpath/javax/security/auth/login/FailedLoginException.java b/libjava/classpath/javax/security/auth/login/FailedLoginException.java
new file mode 100644
index 00000000000..db975fbdd00
--- /dev/null
+++ b/libjava/classpath/javax/security/auth/login/FailedLoginException.java
@@ -0,0 +1,63 @@
+/* FailedLoginException.java
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.security.auth.login;
+
+/**
+ * An exception that signals that an attempt to login was unsuccessful.
+ */
+public class FailedLoginException extends LoginException
+{
+
+  // Constant.
+  // -------------------------------------------------------------------------
+
+  private static final long serialVersionUID = 802556922354616286L;
+
+  // Constructors.
+  // -------------------------------------------------------------------------
+
+  public FailedLoginException()
+  {
+  }
+
+  public FailedLoginException (String message)
+  {
+    super (message);
+  }
+}
diff --git a/libjava/classpath/javax/security/auth/login/LoginContext.java b/libjava/classpath/javax/security/auth/login/LoginContext.java
new file mode 100644
index 00000000000..8fc2ca75983
--- /dev/null
+++ b/libjava/classpath/javax/security/auth/login/LoginContext.java
@@ -0,0 +1,253 @@
+/* LoginContext.java
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.security.auth.login;
+
+import gnu.java.security.action.GetSecurityPropertyAction;
+
+import java.security.AccessController;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.security.auth.Subject;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.spi.LoginModule;
+
+public class LoginContext
+{
+
+  private static final String OTHER = "other";
+
+  private final String name;
+  private final CallbackHandler cbHandler;
+  private final Subject subject;
+  private final AppConfigurationEntry[] entries;
+  private final LoginModule[] modules;
+  private final Map sharedState;
+
+  public LoginContext (final String name) throws LoginException
+  {
+    this (name, new Subject(), defaultHandler());
+  }
+
+  public LoginContext (final String name, final CallbackHandler cbHandler)
+    throws LoginException
+  {
+    this (name, new Subject(), cbHandler);
+  }
+
+  public LoginContext (final String name, final Subject subject)
+    throws LoginException
+  {
+    this (name, subject, defaultHandler());
+  }
+
+  public LoginContext (final String name, final Subject subject,
+                       final CallbackHandler cbHandler)
+    throws LoginException
+  {
+    Configuration config = Configuration.getConfig();
+    AppConfigurationEntry[] entries = config.getAppConfigurationEntry (name);
+    if (entries == null)
+      entries = config.getAppConfigurationEntry (OTHER);
+    if (entries == null)
+      throw new LoginException ("no configured modules for application "
+                                + name);
+    this.entries = entries;
+    modules = new LoginModule[entries.length];
+    sharedState = new HashMap();
+    for (int i = 0; i < entries.length; i++)
+      modules[i] = lookupModule (entries[i], subject, sharedState);
+    this.name = name;
+    this.subject = subject;
+    this.cbHandler = cbHandler;
+  }
+
+  /**
+   * Returns the authenticated subject, or the parameter passed to one
+   * of the constructors. <code>null</code> is returned if the previous
+   * login attempt failed and there was no subject provided.
+   *
+   * @return The subject, or null.
+   */
+  public Subject getSubject()
+  {
+    return subject;
+  }
+
+  /**
+   * Logs a subject in, using all login modules configured for this
+   * application. This method will call the {@link LoginModule#login()}
+   * method of each module configured for this application, stopping
+   * if a REQUISITE module fails or if a SUFFICIENT module succeeds. If
+   * the overall login attempt fails, a {@link LoginException} will be
+   * thrown.
+   *
+   * @throws LoginException If logging in fails.
+   */
+  public void login() throws LoginException
+  {
+    boolean failure = false;
+    for (int i = 0; i < modules.length; i++)
+      {
+        try
+          {
+            boolean result = modules[i].login();
+            if (!result)
+              {
+                if (entries[i].getControlFlag() ==
+                    AppConfigurationEntry.LoginModuleControlFlag.REQUISITE)
+                  throw new LoginException ("REQUISITE module " + entries[i].getLoginModuleName()
+                                            + " failed");
+                else if (entries[i].getControlFlag() ==
+                         AppConfigurationEntry.LoginModuleControlFlag.REQUIRED)
+                  failure = true;
+              }
+            else
+              {
+                if (entries[i].getControlFlag() ==
+                    AppConfigurationEntry.LoginModuleControlFlag.SUFFICIENT)
+                  break;
+              }
+          }
+        catch (LoginException le)
+          {
+            if (entries[i].getControlFlag() !=
+                AppConfigurationEntry.LoginModuleControlFlag.REQUISITE)
+              continue;
+            for (int j = 0; j < modules.length; j++)
+              modules[i].abort();
+            throw le;
+          }
+      }
+    if (failure)
+      throw new LoginException ("not all REQUIRED modules succeeded");
+
+    for (int i = 0; i < modules.length; i++)
+      modules[i].commit();
+  }
+
+  /**
+   * Logs a subject out, cleaning up any state that may be in memory.
+   *
+   * @throws LoginException If logging out fails.
+   */
+  public void logout() throws LoginException
+  {
+    for (int i = 0; i < modules.length; i++)
+      modules[i].logout();
+  }
+
+  // Own methods.
+
+  /**
+   * Fetch the default callback handler, based on the
+   * auth.login.defaultCallbackHandler property, or null if it is not
+   * set.
+   */
+  private static CallbackHandler defaultHandler()
+  {
+    GetSecurityPropertyAction act =
+      new GetSecurityPropertyAction ("auth.login.defaultCallbackHandler");
+    String classname = (String) AccessController.doPrivileged (act);
+    if (classname != null)
+      {
+        try
+          {
+            return (CallbackHandler) Class.forName (classname).newInstance();
+          }
+        catch (ClassNotFoundException cnfe)
+          {
+            return null;
+          }
+        catch (ClassCastException cce)
+          {
+            return null;
+          }
+        catch (IllegalAccessException iae)
+          {
+            return null;
+          }
+        catch (InstantiationException ie)
+          {
+            return null;
+          }
+      }
+    return null;
+  }
+
+  private LoginModule lookupModule (AppConfigurationEntry entry,
+                                    Subject subject, Map sharedState)
+    throws LoginException
+  {
+    LoginModule module = null;
+    Exception cause = null;
+    try
+      {
+        module = (LoginModule) Class.forName (entry.getLoginModuleName()).newInstance();
+      }
+    catch (ClassNotFoundException cnfe)
+      {
+        cause = cnfe;
+      }
+    catch (ClassCastException cce)
+      {
+        cause = cce;
+      }
+    catch (IllegalAccessException iae)
+      {
+        cause = iae;
+      }
+    catch (InstantiationException ie)
+      {
+        cause = ie;
+      }
+
+    if (cause != null)
+      {
+        LoginException le = new LoginException ("could not load module "
+                                                + entry.getLoginModuleName());
+        le.initCause (cause);
+        throw le;
+      }
+
+    module.initialize (subject, cbHandler, sharedState, entry.getOptions());
+    return module;
+  }
+}
diff --git a/libjava/classpath/javax/security/auth/login/LoginException.java b/libjava/classpath/javax/security/auth/login/LoginException.java
new file mode 100644
index 00000000000..46ec33aed51
--- /dev/null
+++ b/libjava/classpath/javax/security/auth/login/LoginException.java
@@ -0,0 +1,65 @@
+/* LoginException.java
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.security.auth.login;
+
+import java.security.GeneralSecurityException;
+
+/**
+ * A general exception during authentication and authorization.
+ */
+public class LoginException extends GeneralSecurityException
+{
+
+  // Constant.
+  // -------------------------------------------------------------------------
+
+  private static final long serialVersionUID = -4679091624035232488L;
+
+  // Constructors.
+  // -------------------------------------------------------------------------
+
+  public LoginException()
+  {
+  }
+
+  public LoginException (String message)
+  {
+    super (message);
+  }
+}
diff --git a/libjava/classpath/javax/security/auth/login/NullConfiguration.java b/libjava/classpath/javax/security/auth/login/NullConfiguration.java
new file mode 100644
index 00000000000..a3f0c994330
--- /dev/null
+++ b/libjava/classpath/javax/security/auth/login/NullConfiguration.java
@@ -0,0 +1,62 @@
+/* NullConfiguration.java -- no-op default login configuration.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.security.auth.login;
+
+final class NullConfiguration extends Configuration
+{
+
+  // Contructor.
+  // -------------------------------------------------------------------------
+
+  NullConfiguration()
+  {
+  }
+
+  // Instance methods.
+  // -------------------------------------------------------------------------
+
+  public AppConfigurationEntry[] getAppConfigurationEntry (String applicationName)
+  {
+    return null;
+  }
+
+  public void refresh()
+  {
+  }
+}
diff --git a/libjava/classpath/javax/security/auth/login/package.html b/libjava/classpath/javax/security/auth/login/package.html
new file mode 100644
index 00000000000..dcb7710cc21
--- /dev/null
+++ b/libjava/classpath/javax/security/auth/login/package.html
@@ -0,0 +1,46 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
+<!-- package.html - describes classes in javax.security.auth.login package.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. -->
+
+<html>
+<head><title>GNU Classpath - javax.security.auth.login</title></head>
+
+<body>
+<p></p>
+
+</body>
+</html>