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jeremybenn |
/* SecurityPermission.java -- Class for named security permissions
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Copyright (C) 1998, 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.security;
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/**
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* This class provides a mechanism for specified named permissions
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* related to the Java security framework. These permissions have no
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* associated actions list. They are either granted or not granted.
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*
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* <p>The list of valid permission names is:<br>
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* <table border=1>
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* <tr><th>Permission Name</th><th>Permission Allows</th><th>Risks</th</tr>
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* <tr>
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* <td><code>createAccessControlContext</code></td>
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* <td>Allows creation of an AccessControlContext</td>
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* <td>The new control context can have a rogue DomainCombiner, leading
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* to a privacy leak</td></tr>
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* <tr>
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* <td><code>getDomainCombiner</code></td>
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* <td>Get a DomainCombiner from an AccessControlContext</td>
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* <td>Access to a DomainCombiner can lead to a privacy leak</td></tr>
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* <tr>
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* <td><code>getPolicy</code></td>
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* <td>Allows retrieval of the system security policy</td>
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* <td>Malicious code can use information from the policy to better plan
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* an attack</td></tr>
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* <tr>
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* <td><code>setPolicy</code></td>
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* <td>Allows the security policy to be changed</td>
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* <td>Malicious code can give itself any permission it wants</td></tr>
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* <tr>
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* <td><code>getProperty.</code><em>key</em></td>
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* <td>Retrieve the property specified by the key</td>
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* <td>Malicious code can use information from the property to better plan
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* an attack</td></tr>
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* <tr>
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* <td><code>setProperty.</code><em>key</em></td>
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* <td>Allows changing of the value of all properties implied by key</td>
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* <td>Malicious code can insert rogue classes to steal keys or recreate
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* the security policy with whatever permissions it desires</td></tr>
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* <tr>
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* <td><code>insertProvider.</code><em>key</em></td>
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* <td>Allows the named provider to be added</td>
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* <td>Malicious code can insert rogue providers that steal data</td></tr>
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* <tr>
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* <td><code>removeProvider.</code><em>key</em></td>
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* <td>Allows the named provider to be removed</td>
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* <td>A missing provider can cripple code that relies on it</td></tr>
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* <tr>
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* <td><code>setSystemScope</code></td>
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* <td>Allows the system identity scope to be set</td>
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* <td>Malicious code can add certificates not available in the original
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* identity scope, to gain more permissions</td></tr>
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* <tr>
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* <td><code>setIdentityPublicKey</code></td>
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* <td>Allows the public key of an Identity to be set</td>
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* <td>Malicious code can install its own key to gain permissions not
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* allowed by the original identity scope</td></tr>
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* <tr>
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* <td><code>SetIdentityInfo</code></td>
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* <td>Allows the description of an Identity to be set</td>
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* <td>Malicious code can spoof users into trusting a fake identity</td></tr>
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* <tr>
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* <td><code>addIdentityCertificate</code></td>
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* <td>Allows a certificate to be set for the public key of an identity</td>
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* <td>The public key can become trusted to a wider audience than originally
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* intended</td></tr>
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* <tr>
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* <td><code>removeIdentityCertificate</code></td>
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* <td>Allows removal of a certificate from an identity's public key</td>
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* <td>The public key can become less trusted than it should be</td></tr>
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* <tr>
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* <td><code>printIdentity</code></td>
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* <td>View the name of the identity and scope, and whether they are
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* trusted</td>
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* <td>The scope may include a filename, which provides an entry point for
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* further security breaches</td></tr>
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* <tr>
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* <td><code>clearProviderProperties.</code><em>key</em></td>
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* <td>Allows the properties of the named provider to be cleared</td>
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* <td>This can disable parts of the program which depend on finding the
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* provider</td></tr>
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* <tr>
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* <td><code>putProviderProperty.</code><em>key</em></td>
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* <td>Allows the properties of the named provider to be changed</td>
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* <td>Malicious code can replace the implementation of a provider</td></tr>
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* <tr>
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* <td><code>removeProviderProperty.</code><em>key</em></td>
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* <td>Allows the properties of the named provider to be deleted</td>
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* <td>This can disable parts of the program which depend on finding the
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* provider</td></tr>
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* <tr>
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* <td><code>getSignerPrivateKey</code></td>
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* <td>Allows the retrieval of the private key for a signer</td>
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* <td>Anyone that can access the private key can claim to be the
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* Signer</td></tr>
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* <tr>
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* <td><code>setSignerKeyPair</code></td>
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* <td>Allows the public and private key of a Signer to be changed</td>
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* <td>The replacement might be a weaker encryption, or the attacker
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* can use knowledge of the replaced key to decrypt an entire
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* communication session</td></tr>
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* </table>
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*
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* <p>There is some degree of security risk in granting any of these
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* permissions. Some of them can completely compromise system security.
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* Please exercise extreme caution in granting these permissions.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @see Permission
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* @see SecurityManager
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* @since 1.1
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* @status updated to 1.4
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*/
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public final class SecurityPermission extends BasicPermission
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{
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/**
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* Compatible with JDK 1.1+.
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*/
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private static final long serialVersionUID = 5236109936224050470L;
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/**
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* Create a new instance with the specified name.
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*
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* @param name the name to assign to this permission
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*/
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public SecurityPermission(String name)
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{
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super(name);
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}
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/**
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* Create a new instance with the specified name. As SecurityPermission
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* carries no actions, the second parameter is ignored.
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*
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* @param name the name to assign to this permission
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* @param actions ignored
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*/
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public SecurityPermission(String name, String actions)
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{
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super(name);
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}
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} // class SecurityPermission
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