| /* |
| * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.security.auth.module; |
| |
| /** |
| * <p> This class implementation retrieves and makes available Unix |
| * UID/GID/groups information for the current user. |
| * |
| */ |
| public class UnixSystem { |
| |
| private native void getUnixInfo(); |
| |
| protected String username; |
| protected long uid; |
| protected long gid; |
| protected long[] groups; |
| |
| /** |
| * Instantiate a <code>UnixSystem</code> and load |
| * the native library to access the underlying system information. |
| */ |
| public UnixSystem() { |
| System.loadLibrary("jaas_unix"); |
| getUnixInfo(); |
| } |
| |
| /** |
| * Get the username for the current Unix user. |
| * |
| * <p> |
| * |
| * @return the username for the current Unix user. |
| */ |
| public String getUsername() { |
| return username; |
| } |
| |
| /** |
| * Get the UID for the current Unix user. |
| * |
| * <p> |
| * |
| * @return the UID for the current Unix user. |
| */ |
| public long getUid() { |
| return uid; |
| } |
| |
| /** |
| * Get the GID for the current Unix user. |
| * |
| * <p> |
| * |
| * @return the GID for the current Unix user. |
| */ |
| public long getGid() { |
| return gid; |
| } |
| |
| /** |
| * Get the supplementary groups for the current Unix user. |
| * |
| * <p> |
| * |
| * @return the supplementary groups for the current Unix user. |
| */ |
| public long[] getGroups() { |
| return groups == null ? null : groups.clone(); |
| } |
| } |