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[ANY] Обновлены модули.

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Немного нововведений в SimpleObf.
This commit is contained in:
Zaxar163 2019-09-16 18:34:08 +02:00
parent c17e59c4d1
commit f4f329981c
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GPG key ID: 1FE4F2E1F053831B
3 changed files with 151 additions and 1 deletions
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9
LaunchServer/src/main/java/pro/gravit/launchserver/asm/ClassMetadataReader.java
View file

@ -55,6 +55,15 @@ public void acceptVisitor(byte[] classData, ClassVisitor visitor) {
public void acceptVisitor(String className, ClassVisitor visitor) throws IOException {
acceptVisitor(getClassData(className), visitor);
}
public void acceptVisitor(byte[] classData, ClassVisitor visitor, int flags) {
new ClassReader(classData).accept(visitor, flags);
}
public void acceptVisitor(String className, ClassVisitor visitor, int flags) throws IOException {
acceptVisitor(getClassData(className), visitor, flags);
}
public byte[] getClassData(String className) throws IOException {
for (JarFile f : cp) {

141
LaunchServer/src/main/java/pro/gravit/launchserver/asm/NodeUtils.java
View file

@ -2,12 +2,23 @@
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.Type;
import org.objectweb.asm.tree.AbstractInsnNode;
import org.objectweb.asm.tree.AnnotationNode;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.InvokeDynamicInsnNode;
import org.objectweb.asm.tree.LdcInsnNode;
import org.objectweb.asm.tree.MethodInsnNode;
import org.objectweb.asm.tree.MethodNode;
import pro.gravit.utils.helper.IOHelper;
import static org.objectweb.asm.Opcodes.*;
public final class NodeUtils {
private NodeUtils() { }
public static ClassNode forClass(Class<?> cls, int flags) {
@ -19,4 +30,134 @@ public static ClassNode forClass(Class<?> cls, int flags) {
throw new RuntimeException(e);
}
}
public static ClassNode forClass(String clazz, int flags, ClassMetadataReader r) {
try {
ClassNode ret = new ClassNode();
r.acceptVisitor(clazz, ret, flags);
return ret;
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public static List<AnnotationNode> annots(String clazz, String method, ClassMetadataReader r) {
List<AnnotationNode> ret = new ArrayList<>();
ClassNode n = forClass(clazz, ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG, r);
ret.addAll(n.visibleAnnotations);
ret.addAll(n.invisibleAnnotations);
for (MethodNode m : n.methods)
if (method.equals(m.name)) {
ret.addAll(n.visibleAnnotations);
ret.addAll(n.invisibleAnnotations);
}
return ret;
}
private static int doMethodEmulation(String desc) {
int result = 0;
Type returnType = Type.getReturnType(desc);
if (returnType.getSort() == Type.LONG || returnType.getSort() == Type.DOUBLE)
result++;
if (returnType.getSort() != Type.VOID)
result++;
return result;
}
public static int opcodeEmulation(AbstractInsnNode e) {
int stackSize = 0;
switch (e.getOpcode()) {
case NOP:
case LALOAD: // (index, arrayref) -> (long, long_top)
case DALOAD: // (index, arrayref) -> (double, double_top)
case SWAP: // (value1, value2) -> (value2, value1)
case INEG:
case LNEG:
case FNEG:
case DNEG:
case IINC:
case I2F:
case L2D:
case F2I:
case D2L:
case I2B:
case I2C:
case I2S:
case GOTO:
case RETURN:
case NEWARRAY:
case ANEWARRAY:
case ARRAYLENGTH:
case CHECKCAST:
case INSTANCEOF:
// Does nothing
break;
case ACONST_NULL:
case ICONST_M1:
case ICONST_0:
case ICONST_1:
case ICONST_2:
case ICONST_3:
case ICONST_4:
case ICONST_5:
case FCONST_0:
case FCONST_1:
case FCONST_2:
case BIPUSH:
case SIPUSH:
case ILOAD:
case FLOAD:
case ALOAD:
case DUP:
case DUP_X1:
case DUP_X2:
case I2L:
case I2D:
case F2L:
case F2D:
case NEW:
// Pushes one-word constant to stack
stackSize++;
break;
case LDC:
LdcInsnNode ldc = (LdcInsnNode) e;
if (ldc.cst instanceof Long || ldc.cst instanceof Double)
stackSize++;
stackSize++;
break;
case LCONST_0:
case LCONST_1:
case DCONST_0:
case DCONST_1:
case LLOAD:
case DLOAD:
case DUP2:
case DUP2_X1:
case DUP2_X2:
// Pushes two-word constant or two one-word constants to stack
stackSize++;
stackSize++;
break;
case INVOKEVIRTUAL:
case INVOKESPECIAL:
case INVOKEINTERFACE:
stackSize += doMethodEmulation(((MethodInsnNode) e).desc);
break;
case INVOKESTATIC:
stackSize += doMethodEmulation(((MethodInsnNode) e).desc);
break;
case INVOKEDYNAMIC:
stackSize += doMethodEmulation(((InvokeDynamicInsnNode) e).desc);
break;
case JSR:
case RET:
throw new RuntimeException("Did not expect JSR/RET instructions");
default:
break;
}
return stackSize;
}
}

2
modules

@ -1 +1 @@
Subproject commit f07089a3448c99793f3ecd8c1f8f6c389e49a7a0
Subproject commit ff8090a88ed3fb5f0a3cedb075f657ec07cd178c