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fix: descriptor obfuscation now handled properly

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zaaarf 2023-03-29 12:15:36 +02:00
parent dac2510de7
commit d451cc3460
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GPG key ID: 82240E075E31FA4C
4 changed files with 29 additions and 13 deletions
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6
src/main/java/ftbsc/lll/processor/LilleroProcessor.java
View file

@ -354,9 +354,9 @@ public class LilleroProcessor extends AbstractProcessor {
.addMethod(constructorBuilder.build())
.addMethod(buildStringReturnMethod("name", cl.getSimpleName().toString()))
.addMethod(buildStringReturnMethod("reason", toGenerate.get(injName).reason))
.addMethod(buildStringReturnMethod("targetClass", targetClass.fqn))
.addMethod(buildStringReturnMethod("methodName", toGenerate.get(injName).target.name))
.addMethod(buildStringReturnMethod("methodDesc", toGenerate.get(injName).target.descriptor))
.addMethod(buildStringReturnMethod("targetClass", targetClass.fqnObf))
.addMethod(buildStringReturnMethod("methodName", toGenerate.get(injName).target.nameObf))
.addMethod(buildStringReturnMethod("methodDesc", toGenerate.get(injName).target.descriptorObf))
.addMethods(generateDummies(targets))
.addMethod(inject)
.build();

8
src/main/java/ftbsc/lll/processor/tools/JavaPoetUtils.java
View file

@ -127,19 +127,19 @@ public class JavaPoetUtils {
final boolean isMethod = type == ProxyType.METHOD;
final String builderName = var.getSimpleName().toString() + "Builder";
String descriptor, nameObf;
String descriptorObf, nameObf;
ClassContainer parent;
Element target;
if(isMethod) {
MethodContainer mc = MethodContainer.from(stub, t, f, env, mapper);
descriptor = mc.descriptor;
descriptorObf = mc.descriptorObf;
nameObf = mc.nameObf;
parent = mc.parent;
target = mc.elem;
} else {
FieldContainer fc = FieldContainer.from(var, env, mapper);
descriptor = fc.descriptor;
descriptorObf = fc.descriptorObf;
nameObf = fc.nameObf;
parent = fc.parent;
target = fc.elem;
@ -172,7 +172,7 @@ public class JavaPoetUtils {
con.addStatement(
"$L.setDescriptor($S)",
builderName,
descriptor
descriptorObf
);
//build and set

15
src/main/java/ftbsc/lll/processor/tools/containers/FieldContainer.java
View file

@ -4,6 +4,7 @@ import ftbsc.lll.exceptions.AmbiguousDefinitionException;
import ftbsc.lll.processor.annotations.Find;
import ftbsc.lll.processor.annotations.Patch;
import ftbsc.lll.processor.tools.obfuscation.ObfuscationMapper;
import org.objectweb.asm.Type;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.VariableElement;
@ -11,6 +12,7 @@ import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import static ftbsc.lll.processor.tools.ASTUtils.*;
import static ftbsc.lll.processor.tools.JavaPoetUtils.descriptorFromExecutableElement;
import static ftbsc.lll.processor.tools.JavaPoetUtils.descriptorFromType;
/**
@ -35,6 +37,12 @@ public class FieldContainer {
*/
public final String nameObf;
/**
* The obfuscated descriptor of the field.
* If the mapper passed is null, then this will be identical to {@link #descriptor}.
*/
public final String descriptorObf;
/**
* The {@link ClassContainer} representing the parent of this field.
* May be null if the parent is a class type that can not be checked
@ -63,12 +71,13 @@ public class FieldContainer {
throw new AmbiguousDefinitionException("Cannot use name-based lookups for fields of unverifiable classes!");
this.elem = null;
this.name = name;
this.descriptor = mapper == null ? descriptor : mapper.obfuscateMethodDescriptor(descriptor);
this.descriptor = descriptor;
this.descriptorObf = mapper == null ? this.descriptor : mapper.obfuscateType(Type.getType(this.descriptor)).getDescriptor();
} else {
this.elem = (VariableElement) findMember(parent, name, descriptor, descriptor != null, true);
this.name = this.elem.getSimpleName().toString();
String validatedDescriptor = descriptorFromType(this.elem.asType());
this.descriptor = mapper == null ? descriptor : mapper.obfuscateMethodDescriptor(validatedDescriptor);
this.descriptor = descriptorFromType(this.elem.asType());
this.descriptorObf = mapper == null ? this.descriptor : mapper.obfuscateType(Type.getType(this.descriptor)).getDescriptor();
}
this.nameObf = findMemberName(parent.fqnObf, name, descriptor, mapper);
}

13
src/main/java/ftbsc/lll/processor/tools/containers/MethodContainer.java
View file

@ -38,6 +38,12 @@ public class MethodContainer {
*/
public final String nameObf;
/**
* The obfuscated descriptor of the field.
* If the mapper passed is null, then this will be identical to {@link #descriptor}.
*/
public final String descriptorObf;
/**
* The {@link ClassContainer} representing the parent of this method.
* May be null if the parent is a class type that can not be checked
@ -67,12 +73,13 @@ public class MethodContainer {
throw new AmbiguousDefinitionException("Cannot use name-based lookups for methods of unverifiable classes!");
this.elem = null;
this.name = name;
this.descriptor = mapper == null ? descriptor : mapper.obfuscateMethodDescriptor(descriptor);
this.descriptor = descriptor;
this.descriptorObf = mapper == null ? this.descriptor : mapper.obfuscateMethodDescriptor(this.descriptor);
} else {
this.elem = (ExecutableElement) findMember(parent, name, descriptor, descriptor != null && strict, false);
this.name = this.elem.getSimpleName().toString();
String validatedDescriptor = descriptorFromExecutableElement(this.elem);
this.descriptor = mapper == null ? descriptor : mapper.obfuscateMethodDescriptor(validatedDescriptor);
this.descriptor = descriptorFromExecutableElement(this.elem);
this.descriptorObf = mapper == null ? this.descriptor : mapper.obfuscateMethodDescriptor(this.descriptor);
}
this.nameObf = findMemberName(parent.fqnObf, name, descriptor, mapper);
}