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Code Issues Releases Wiki Activity

GP-0: Preventing duplicate classpath entries

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This commit is contained in:
Ryan Kurtz 2024-07-10 06:24:40 -04:00
parent d81f79ebb0
commit 0a13b80387
1 changed files with 10 additions and 0 deletions
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10
Ghidra/Framework/Utility/src/main/java/ghidra/GhidraClassLoader.java
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@ -18,6 +18,8 @@ package ghidra;
import java.io.File; import java.io.File;
import java.lang.instrument.Instrumentation; import java.lang.instrument.Instrumentation;
import java.net.*; import java.net.*;
import java.util.HashSet;
import java.util.Set;
import ghidra.util.Msg; import ghidra.util.Msg;
@ -49,6 +51,11 @@ public class GhidraClassLoader extends URLClassLoader {
*/ */
public static final String CP_EXT = "java.class.path.ext"; public static final String CP_EXT = "java.class.path.ext";
/**
* Used to prevent duplicate URL's from being added to the classpath
*/
private Set<URL> alreadyAdded = new HashSet<>();
/** /**
* This one-argument constructor is required for the JVM to successfully use this class loader * This one-argument constructor is required for the JVM to successfully use this class loader
* via the java.system.class.loader system property. * via the java.system.class.loader system property.
@ -61,6 +68,9 @@ public class GhidraClassLoader extends URLClassLoader {
@Override @Override
public void addURL(URL url) { public void addURL(URL url) {
if (!alreadyAdded.add(url)) {
return;
}
super.addURL(url); super.addURL(url);
try { try {
System.setProperty(CP, System.setProperty(CP,