author | weijun |
Wed, 25 Sep 2019 17:54:21 +0800 | |
changeset 58331 | e4ce29f6094e |
parent 49245 | 6c3054543ede |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2000, 2019, 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 com.sun.security.auth.module; |
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/** |
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* This class implementation retrieves and makes available Unix |
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* UID/GID/groups information for the current user. |
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*/ |
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public class UnixSystem { |
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private native void getUnixInfo(); |
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58331
e4ce29f6094e
8228659: Record which Java methods are called by native codes in JGSS and JAAS
weijun
parents:
49245
diff
changeset
|
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// Warning: the following 4 fields are used by Unix.c |
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protected String username; |
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protected long uid; |
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protected long gid; |
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protected long[] groups; |
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/** |
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parents:
25859
diff
changeset
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* Instantiate a {@code UnixSystem} and load |
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* the native library to access the underlying system information. |
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*/ |
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public UnixSystem() { |
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System.loadLibrary("jaas"); |
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getUnixInfo(); |
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} |
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/** |
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* Get the username for the current Unix user. |
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* |
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* @return the username for the current Unix user. |
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*/ |
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public String getUsername() { |
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return username; |
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} |
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/** |
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* Get the UID for the current Unix user. |
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* |
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* @return the UID for the current Unix user. |
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*/ |
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public long getUid() { |
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return uid; |
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} |
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/** |
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* Get the GID for the current Unix user. |
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* |
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* @return the GID for the current Unix user. |
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*/ |
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public long getGid() { |
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return gid; |
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} |
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/** |
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* Get the supplementary groups for the current Unix user. |
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* |
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* @return the supplementary groups for the current Unix user. |
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*/ |
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public long[] getGroups() { |
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return groups == null ? null : groups.clone(); |
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} |
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} |