soot.jimple.toolkits.pointer.nativemethods.JavaNetInetAddressImplNative Maven / Gradle / Ivy
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 JavaNetInetAddressImplNative extends NativeMethodClass {
public JavaNetInetAddressImplNative(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.String getLocalHostName()")) {
java_net_InetAddressImpl_getLocalHostName(method, thisVar, returnVar, params);
return;
} else if (subSignature.equals("java.lang.String getHostByAddress(int)")) {
java_net_InetAddressImpl_getHostByAddr(method, thisVar, returnVar, params);
return;
} else {
defaultMethod(method, thisVar, returnVar, params);
return;
}
}
/************************ java.net.InetAddressImpl *****************/
/**
* Returns a variable pointing to a string constant
*
* I am not sure if repeated calls of methods in this class will return the same object or not. A conservative approach
* would say YES, for definitely points-to, but NO for may points-to.
*
* We should avoid analyzing these unsafe native methods.
*
* native java.lang.String getLocalHostName() throws java.net.UnknownHostException;
*/
public void java_net_InetAddressImpl_getLocalHostName(SootMethod method, ReferenceVariable thisVar,
ReferenceVariable returnVar, ReferenceVariable params[]) {
helper.assignObjectTo(returnVar, Environment.v().getStringObject());
}
/**
* Create a string object
*
* native java.lang.String getHostByAddr(int) throws java.net.UnknownHostException;
*/
public void java_net_InetAddressImpl_getHostByAddr(SootMethod method, ReferenceVariable thisVar,
ReferenceVariable returnVar, ReferenceVariable params[]) {
helper.assignObjectTo(returnVar, Environment.v().getStringObject());
}
/**
* NO side effects. native void makeAnyLocalAddress(java.net.InetAddress); native byte
* lookupAllHostAddr(java.lang.String)[][] throws java.net.UnknownHostException; native int getInetFamily();
*
* @see default(...)
*/
}