author | jjg |
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child 45434 | 4582657c7260 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package java.net; |
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import java.security.*; |
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import java.util.Enumeration; |
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import java.util.Hashtable; |
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import java.util.StringTokenizer; |
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/** |
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* This class is for various network permissions. |
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* A NetPermission contains a name (also referred to as a "target name") but |
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* no actions list; you either have the named permission |
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* or you don't. |
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* <P> |
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* The target name is the name of the network permission (see below). The naming |
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* convention follows the hierarchical property naming convention. |
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* Also, an asterisk |
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* may appear at the end of the name, following a ".", or by itself, to |
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* signify a wildcard match. For example: "foo.*" and "*" signify a wildcard |
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* match, while "*foo" and "a*b" do not. |
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* <P> |
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* The following table lists all the possible NetPermission target names, |
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* and for each provides a description of what the permission allows |
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* and a discussion of the risks of granting code the permission. |
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* |
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* <table class="striped"> |
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* <caption style="display:none">Permission target name, what the permission allows, and associated risks</caption> |
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* <thead> |
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* <tr> |
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* <th>Permission Target Name</th> |
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* <th>What the Permission Allows</th> |
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* <th>Risks of Allowing this Permission</th> |
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* </tr> |
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* </thead> |
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* <tbody> |
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* <tr> |
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* <td>allowHttpTrace</td> |
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* <td>The ability to use the HTTP TRACE method in HttpURLConnection.</td> |
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* <td>Malicious code using HTTP TRACE could get access to security sensitive |
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* information in the HTTP headers (such as cookies) that it might not |
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* otherwise have access to.</td> |
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* </tr> |
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* |
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* <tr> |
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* <td>getCookieHandler</td> |
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* <td>The ability to get the cookie handler that processes highly |
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* security sensitive cookie information for an Http session.</td> |
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* <td>Malicious code can get a cookie handler to obtain access to |
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* highly security sensitive cookie information. Some web servers |
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* use cookies to save user private information such as access |
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* control information, or to track user browsing habit.</td> |
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* </tr> |
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* |
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* <tr> |
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* <td>getNetworkInformation</td> |
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* <td>The ability to retrieve all information about local network interfaces.</td> |
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* <td>Malicious code can read information about network hardware such as |
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* MAC addresses, which could be used to construct local IPv6 addresses.</td> |
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* </tr> |
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* |
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* <tr> |
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* <td>getProxySelector</td> |
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* <td>The ability to get the proxy selector used to make decisions |
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* on which proxies to use when making network connections.</td> |
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* <td>Malicious code can get a ProxySelector to discover proxy |
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* hosts and ports on internal networks, which could then become |
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* targets for attack.</td> |
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* </tr> |
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* |
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* <tr> |
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* <td>getResponseCache</td> |
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* <td>The ability to get the response cache that provides |
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* access to a local response cache.</td> |
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* <td>Malicious code getting access to the local response cache |
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* could access security sensitive information.</td> |
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* </tr> |
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* |
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* <tr> |
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* <td>requestPasswordAuthentication</td> |
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* <td>The ability |
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* to ask the authenticator registered with the system for |
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* a password</td> |
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* <td>Malicious code may steal this password.</td> |
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* </tr> |
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* |
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* <tr> |
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* <td>setCookieHandler</td> |
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* <td>The ability to set the cookie handler that processes highly |
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* security sensitive cookie information for an Http session.</td> |
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* <td>Malicious code can set a cookie handler to obtain access to |
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* highly security sensitive cookie information. Some web servers |
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* use cookies to save user private information such as access |
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* control information, or to track user browsing habit.</td> |
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* </tr> |
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* |
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* <tr> |
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* <td>setDefaultAuthenticator</td> |
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* <td>The ability to set the |
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* way authentication information is retrieved when |
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* a proxy or HTTP server asks for authentication</td> |
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* <td>Malicious |
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* code can set an authenticator that monitors and steals user |
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* authentication input as it retrieves the input from the user.</td> |
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* </tr> |
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* |
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* <tr> |
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* <td>setProxySelector</td> |
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* <td>The ability to set the proxy selector used to make decisions |
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* on which proxies to use when making network connections.</td> |
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* <td>Malicious code can set a ProxySelector that directs network |
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* traffic to an arbitrary network host.</td> |
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* </tr> |
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* |
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* <tr> |
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* <td>setResponseCache</td> |
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* <td>The ability to set the response cache that provides access to |
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* a local response cache.</td> |
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* <td>Malicious code getting access to the local response cache |
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* could access security sensitive information, or create false |
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* entries in the response cache.</td> |
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* </tr> |
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* |
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* <tr> |
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* <td>specifyStreamHandler</td> |
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* <td>The ability |
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* to specify a stream handler when constructing a URL</td> |
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* <td>Malicious code may create a URL with resources that it would |
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* normally not have access to (like file:/foo/fum/), specifying a |
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* stream handler that gets the actual bytes from someplace it does |
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* have access to. Thus it might be able to trick the system into |
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* creating a ProtectionDomain/CodeSource for a class even though |
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* that class really didn't come from that location.</td> |
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* </tr> |
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</tbody> |
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* </table> |
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* |
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* @see java.security.BasicPermission |
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* @see java.security.Permission |
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* @see java.security.Permissions |
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* @see java.security.PermissionCollection |
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* @see java.lang.SecurityManager |
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* |
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* |
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* @author Marianne Mueller |
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* @author Roland Schemers |
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*/ |
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public final class NetPermission extends BasicPermission { |
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private static final long serialVersionUID = -8343910153355041693L; |
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/** |
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* Creates a new NetPermission with the specified name. |
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* The name is the symbolic name of the NetPermission, such as |
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* "setDefaultAuthenticator", etc. An asterisk |
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* may appear at the end of the name, following a ".", or by itself, to |
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* signify a wildcard match. |
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* |
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* @param name the name of the NetPermission. |
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* |
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* @throws NullPointerException if {@code name} is {@code null}. |
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* @throws IllegalArgumentException if {@code name} is empty. |
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*/ |
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public NetPermission(String name) |
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{ |
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super(name); |
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} |
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/** |
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* Creates a new NetPermission object with the specified name. |
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* The name is the symbolic name of the NetPermission, and the |
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* actions String is currently unused and should be null. |
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* |
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* @param name the name of the NetPermission. |
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* @param actions should be null. |
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* |
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* @throws NullPointerException if {@code name} is {@code null}. |
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* @throws IllegalArgumentException if {@code name} is empty. |
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*/ |
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public NetPermission(String name, String actions) |
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{ |
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super(name, actions); |
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} |
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} |