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package soot.jimple.toolkits.pointer.nativemethods;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2003 Feng Qian
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* This program 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import soot.SootMethod;
import soot.jimple.toolkits.pointer.representations.Environment;
import soot.jimple.toolkits.pointer.representations.ReferenceVariable;
import soot.jimple.toolkits.pointer.util.NativeHelper;
public class JavaSecurityAccessControllerNative extends NativeMethodClass {
public JavaSecurityAccessControllerNative(NativeHelper helper) {
super(helper);
}
/**
* Implements the abstract method simulateMethod. It distributes the request to the corresponding methods by signatures.
*/
public void simulateMethod(SootMethod method, ReferenceVariable thisVar, ReferenceVariable returnVar,
ReferenceVariable params[]) {
String subSignature = method.getSubSignature();
if (subSignature.equals("java.lang.Object doPrivileged(java.security.PrivilegedAction)")) {
java_security_AccessController_doPrivileged(method, thisVar, returnVar, params);
return;
} else if (subSignature.equals("java.lang.Object doPrivileged(java.security.PrivilegedExceptionAction)")) {
java_security_AccessController_doPrivileged(method, thisVar, returnVar, params);
return;
} else if (subSignature
.equals("java.lang.Object doPrivileged(java.security.PrivilegedAction,java.security.AccessControlContext)")) {
java_security_AccessController_doPrivileged(method, thisVar, returnVar, params);
return;
} else if (subSignature.equals(
"java.lang.Object doPrivileged(java.security.PrivilegedExceptionAction,java.security.AccessControlContext)")) {
java_security_AccessController_doPrivileged(method, thisVar, returnVar, params);
return;
} else if (subSignature.equals("java.security.AccessControlContext getStackAccessControlContext()")) {
java_security_AccessController_getStackAccessControlContext(method, thisVar, returnVar, params);
return;
} else if (subSignature.equals("java.security.AccessControlContext getInheritedAccessControlContext()")) {
java_security_AccessController_getInheritedAccessControlContext(method, thisVar, returnVar, params);
return;
} else {
defaultMethod(method, thisVar, returnVar, params);
return;
}
}
/************************ java.security.AccessController ************/
/*
* The return value of doPrivileged depends on the implementation.
*
* public static native java.lang.Object doPrivileged(java.security.PrivilegedAction);
*
* public static native java.lang.Object doPrivileged(java.security.PrivilegedExceptionAction) throws
* java.security.PrivilegedActionException;
*
* public static native java.lang.Object doPrivileged(java.security.PrivilegedAction, java.security.AccessControlContext);
*
* public static native java.lang.Object doPrivileged(java.security.PrivilegedExceptionAction,
* java.security.AccessControlContext) throws java.security.PrivilegedActionException;
*/
public void java_security_AccessController_doPrivileged(SootMethod method, ReferenceVariable thisVar,
ReferenceVariable returnVar, ReferenceVariable params[]) {
// No longer necessary since Spark handles it itself in a more precise
// way.
// helper.assignObjectTo(returnVar, Environment.v().getLeastObject());
helper.throwException(Environment.v().getPrivilegedActionExceptionObject());
}
/**
* Creates an access control context object.
*
* private static native java.security.AccessControlContext getStackAccessControlContext();
*/
public void java_security_AccessController_getStackAccessControlContext(SootMethod method, ReferenceVariable thisVar,
ReferenceVariable returnVar, ReferenceVariable params[]) {
helper.assignObjectTo(returnVar, Environment.v().getLeastObject());
}
/**
* NOTE: not documented and not called by anyone
*
* static native java.security.AccessControlContext getInheritedAccessControlContext();
*/
public void java_security_AccessController_getInheritedAccessControlContext(SootMethod method, ReferenceVariable thisVar,
ReferenceVariable returnVar, ReferenceVariable params[]) {
helper.assignObjectTo(returnVar, Environment.v().getLeastObject());
}
}