1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * Copyright (c) 1995, 2006, Oracle and/or its affiliates. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. Oracle designates this 9 * particular file as subject to the "Classpath" exception as provided 10 * by Oracle in the LICENSE file that accompanied this code. 11 * 12 * This code is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * version 2 for more details (a copy is included in the LICENSE file that 16 * accompanied this code). 17 * 18 * You should have received a copy of the GNU General Public License version 19 * 2 along with this work; if not, write to the Free Software Foundation, 20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 21 * 22 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 23 * or visit www.oracle.com if you need additional information or have any 24 * questions. 25 */ 26 27 package java.lang; 28 29 import java.security.*; 30 import java.io.FileDescriptor; 31 import java.net.InetAddress; 32 33 // Android-changed: Stubbed the implementation. Android doesn't support SecurityManager. 34 // SecurityManager can only check access by Java code, so it can be bypassed by using 35 // native code. Applications should rely on Android permissions, process separation, 36 // other other methods for security purposes. 37 /** 38 * Legacy security code; do not use. 39 * 40 * <p>Security managers do <i>not</i> provide a secure environment for 41 * executing untrusted code and are unsupported on Android. Untrusted code 42 * cannot be safely isolated within a single VM on Android. Application 43 * developers can assume that there's no SecurityManager installed, 44 * i.e. {@link java.lang.System#getSecurityManager()} will return null. 45 */ 46 public 47 class SecurityManager { 48 49 /** 50 * @deprecated Use {@link #checkPermission} instead. 51 */ 52 @Deprecated 53 protected boolean inCheck; 54 55 /** 56 * @deprecated Use {@link #checkPermission} instead. 57 */ 58 @Deprecated 59 public boolean getInCheck() { 60 return inCheck; 61 } 62 63 public SecurityManager() { 64 65 } 66 67 protected Class[] getClassContext() { 68 return null; 69 } 70 71 /** 72 * @deprecated Use {@link #checkPermission} instead. 73 */ 74 @Deprecated 75 protected ClassLoader currentClassLoader() 76 { 77 return null; 78 } 79 80 /** 81 * @deprecated Use {@link #checkPermission} instead. 82 */ 83 @Deprecated 84 protected Class<?> currentLoadedClass() { 85 return null; 86 } 87 88 /** 89 * @deprecated Use {@link #checkPermission} instead. 90 */ 91 @Deprecated 92 protected int classDepth(String name) { 93 return -1; 94 } 95 96 /** 97 * @deprecated Use {@link #checkPermission} instead. 98 */ 99 @Deprecated 100 protected int classLoaderDepth() 101 { 102 return -1; 103 } 104 105 /** 106 * @deprecated Use {@link #checkPermission} instead. 107 */ 108 @Deprecated 109 protected boolean inClass(String name) { 110 return false; 111 } 112 113 /** 114 * @deprecated Use {@link #checkPermission} instead. 115 */ 116 @Deprecated 117 protected boolean inClassLoader() { 118 return false; 119 } 120 121 public Object getSecurityContext() { 122 return null; 123 } 124 125 public void checkPermission(Permission perm) { 126 127 } 128 129 public void checkPermission(Permission perm, Object context) { 130 131 } 132 133 public void checkCreateClassLoader() { 134 135 } 136 137 public void checkAccess(Thread t) { } 138 139 public void checkAccess(ThreadGroup g) { } 140 141 public void checkExit(int status) { } 142 143 public void checkExec(String cmd) { } 144 145 public void checkLink(String lib) { } 146 147 public void checkRead(FileDescriptor fd) { } 148 149 public void checkRead(String file) { } 150 151 public void checkRead(String file, Object context) { } 152 153 public void checkWrite(FileDescriptor fd) { } 154 155 public void checkWrite(String file) { } 156 157 public void checkDelete(String file) { } 158 159 public void checkConnect(String host, int port) { } 160 161 public void checkConnect(String host, int port, Object context) { } 162 163 public void checkListen(int port) { } 164 165 public void checkAccept(String host, int port) { } 166 167 public void checkMulticast(InetAddress maddr) { } 168 169 /** 170 * @deprecated use {@link #checkMulticast(java.net.InetAddress)} instead. 171 */ 172 @Deprecated 173 public void checkMulticast(InetAddress maddr, byte ttl) { } 174 175 public void checkPropertiesAccess() { } 176 177 public void checkPropertyAccess(String key) { } 178 179 public boolean checkTopLevelWindow(Object window) { 180 return true; 181 } 182 183 public void checkPrintJobAccess() { } 184 185 public void checkSystemClipboardAccess() { } 186 187 public void checkAwtEventQueueAccess() { } 188 189 public void checkPackageAccess(String pkg) { } 190 191 public void checkPackageDefinition(String pkg) { } 192 193 public void checkSetFactory() { } 194 195 public void checkMemberAccess(Class<?> clazz, int which) { } 196 197 public void checkSecurityAccess(String target) { } 198 199 /** 200 * Returns the current thread's thread group. 201 */ 202 public ThreadGroup getThreadGroup() { 203 return Thread.currentThread().getThreadGroup(); 204 } 205 206 } 207
