Files
jpexs-decompiler/src/com/jpexs/decompiler/flash/abc/ABC.java

1161 lines
51 KiB
Java

/*
* Copyright (C) 2010-2014 JPEXS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 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 Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.jpexs.decompiler.flash.abc;
import com.jpexs.decompiler.flash.EventListener;
import com.jpexs.decompiler.flash.SWF;
import com.jpexs.decompiler.flash.abc.avm2.AVM2Code;
import com.jpexs.decompiler.flash.abc.avm2.AVM2Deobfuscation;
import com.jpexs.decompiler.flash.abc.avm2.ConstantPool;
import com.jpexs.decompiler.flash.abc.avm2.UnknownInstructionCode;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
import com.jpexs.decompiler.flash.abc.avm2.instructions.executing.CallPropertyIns;
import com.jpexs.decompiler.flash.abc.avm2.instructions.stack.PushStringIns;
import com.jpexs.decompiler.flash.abc.types.ABCException;
import com.jpexs.decompiler.flash.abc.types.ClassInfo;
import com.jpexs.decompiler.flash.abc.types.InstanceInfo;
import com.jpexs.decompiler.flash.abc.types.MetadataInfo;
import com.jpexs.decompiler.flash.abc.types.MethodBody;
import com.jpexs.decompiler.flash.abc.types.MethodInfo;
import com.jpexs.decompiler.flash.abc.types.Multiname;
import com.jpexs.decompiler.flash.abc.types.Namespace;
import com.jpexs.decompiler.flash.abc.types.NamespaceSet;
import com.jpexs.decompiler.flash.abc.types.ScriptInfo;
import com.jpexs.decompiler.flash.abc.types.traits.Trait;
import com.jpexs.decompiler.flash.abc.types.traits.TraitClass;
import com.jpexs.decompiler.flash.abc.types.traits.TraitFunction;
import com.jpexs.decompiler.flash.abc.types.traits.TraitMethodGetterSetter;
import com.jpexs.decompiler.flash.abc.types.traits.TraitSlotConst;
import com.jpexs.decompiler.flash.abc.types.traits.Traits;
import com.jpexs.decompiler.flash.abc.usages.ClassNameMultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.ConstVarNameMultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.ConstVarTypeMultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.DefinitionUsage;
import com.jpexs.decompiler.flash.abc.usages.ExtendsMultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.ImplementsMultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.MethodBodyMultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.MethodNameMultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.MethodParamsMultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.MethodReturnTypeMultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.MultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.TypeNameMultinameUsage;
import com.jpexs.decompiler.flash.helpers.collections.MyEntry;
import com.jpexs.decompiler.flash.tags.ABCContainerTag;
import com.jpexs.helpers.MemoryInputStream;
import com.jpexs.helpers.utf8.Utf8PrintWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
public class ABC {
public int major_version = 46;
public int minor_version = 16;
public ConstantPool constants = new ConstantPool();
public List<MethodInfo> method_info = new ArrayList<>();
public List<MetadataInfo> metadata_info = new ArrayList<>();
public List<InstanceInfo> instance_info = new ArrayList<>();
public List<ClassInfo> class_info = new ArrayList<>();
public List<ScriptInfo> script_info = new ArrayList<>();
public List<MethodBody> bodies = new ArrayList<>();
private List<Integer> bodyIdxFromMethodIdx = new ArrayList<>();
public long[] stringOffsets;
public static final int MINORwithDECIMAL = 17;
protected Set<EventListener> listeners = new HashSet<>();
private static final Logger logger = Logger.getLogger(ABC.class.getName());
private final AVM2Deobfuscation deobfuscation;
public SWF swf;
public ABCContainerTag parentTag;
public ABC(SWF swf) {
this.deobfuscation = null;
this.swf = swf;
constants.constant_double.add(null);
constants.constant_int.add(null);
constants.constant_uint.add(null);
constants.constant_string.add(null);
constants.constant_multiname.add(null);
constants.constant_namespace.add(null);
constants.constant_namespace_set.add(null);
}
public int addMethodBody(MethodBody body) {
bodies.add(body);
if (body.method_info >= bodyIdxFromMethodIdx.size()) {
int newlen = body.method_info + 1;
int oldlen = bodyIdxFromMethodIdx.size();
for (int i = oldlen; i < newlen; i++) {
bodyIdxFromMethodIdx.add(-1);
}
bodyIdxFromMethodIdx.set(body.method_info, bodies.size() - 1);
}
return bodies.size() - 1;
}
public int addMethodInfo(MethodInfo mi) {
method_info.add(mi);
return method_info.size() - 1;
}
public void addEventListener(EventListener listener) {
listeners.add(listener);
}
public void removeEventListener(EventListener listener) {
listeners.remove(listener);
}
protected void informListeners(String event, Object data) {
for (EventListener listener : listeners) {
listener.handleEvent(event, data);
}
}
public int removeTraps() throws InterruptedException {
int rem = 0;
for (int s = 0; s < script_info.size(); s++) {
rem += script_info.get(s).removeTraps(s, this, "");
}
return rem;
}
public int removeDeadCode() throws InterruptedException {
int rem = 0;
for (MethodBody body : bodies) {
rem += body.removeDeadCode(constants, null/*FIXME*/, method_info.get(body.method_info));
}
return rem;
}
public void restoreControlFlow() throws InterruptedException {
for (MethodBody body : bodies) {
body.restoreControlFlow(constants, null/*FIXME*/, method_info.get(body.method_info));
}
}
public Set<Integer> getNsStringUsages() {
Set<Integer> ret = new HashSet<>();
for (int n = 1; n < constants.getNamespaceCount(); n++) {
ret.add(constants.getNamespace(n).name_index);
}
return ret;
}
public Set<Integer> getStringUsages() {
Set<Integer> ret = new HashSet<>();
for (MethodBody body : bodies) {
for (AVM2Instruction ins : body.code.code) {
for (int i = 0; i < ins.definition.operands.length; i++) {
if (ins.definition.operands[i] == AVM2Code.DAT_STRING_INDEX) {
ret.add(ins.operands[i]);
}
}
}
}
return ret;
}
private void setStringUsageType(Map<Integer, String> ret, int strIndex, String usageType) {
if (ret.containsKey(strIndex)) {
if (!"name".equals(usageType)) {
if (!ret.get(strIndex).equals(usageType)) {
ret.put(strIndex, "name");
}
}
} else {
ret.put(strIndex, usageType);
}
}
private void getStringUsageTypes(Map<Integer, String> ret, Traits traits, boolean classesOnly) {
for (Trait t : traits.traits) {
int strIndex = constants.getMultiname(t.name_index).name_index;
String usageType = "";
if (t instanceof TraitClass) {
TraitClass tc = (TraitClass) t;
getStringUsageTypes(ret, class_info.get(tc.class_info).static_traits, classesOnly);
getStringUsageTypes(ret, instance_info.get(tc.class_info).instance_traits, classesOnly);
if (instance_info.get(tc.class_info).name_index != 0) {
setStringUsageType(ret, constants.getMultiname(instance_info.get(tc.class_info).name_index).name_index, "class");
}
if (instance_info.get(tc.class_info).super_index != 0) {
setStringUsageType(ret, constants.getMultiname(instance_info.get(tc.class_info).super_index).name_index, "class");
}
usageType = "class";
}
if (t instanceof TraitMethodGetterSetter) {
TraitMethodGetterSetter tm = (TraitMethodGetterSetter) t;
usageType = "method";
MethodBody body = findBody(tm.method_info);
if (body != null) {
getStringUsageTypes(ret, body.traits, classesOnly);
}
}
if (t instanceof TraitFunction) {
TraitFunction tf = (TraitFunction) t;
MethodBody body = findBody(tf.method_info);
if (body != null) {
getStringUsageTypes(ret, body.traits, classesOnly);
}
usageType = "function";
}
if (t instanceof TraitSlotConst) {
TraitSlotConst ts = (TraitSlotConst) t;
if (ts.isVar()) {
usageType = "var";
}
if (ts.isConst()) {
usageType = "const";
}
}
if (usageType.equals("class") || (!classesOnly)) {
setStringUsageType(ret, strIndex, usageType);
}
}
}
public void getStringUsageTypes(Map<Integer, String> ret, boolean classesOnly) {
for (ScriptInfo script : script_info) {
getStringUsageTypes(ret, script.traits, classesOnly);
}
}
public void renameMultiname(int multinameIndex, String newname) {
if (multinameIndex <= 0 || multinameIndex >= constants.getMultinameCount()) {
throw new IllegalArgumentException("Multiname with index " + multinameIndex + " does not exist");
}
Set<Integer> stringUsages = getStringUsages();
Set<Integer> namespaceUsages = getNsStringUsages();
int strIndex = constants.getMultiname(multinameIndex).name_index;
if (stringUsages.contains(strIndex) || namespaceUsages.contains(strIndex)) { //name is used elsewhere as string literal
strIndex = constants.getStringId(newname, true);
constants.getMultiname(multinameIndex).name_index = strIndex;
} else {
constants.setString(strIndex, newname);
}
}
public void deobfuscateIdentifiers(HashMap<String, String> namesMap, RenameType renameType, boolean classesOnly) {
Set<Integer> stringUsages = getStringUsages();
Set<Integer> namespaceUsages = getNsStringUsages();
Map<Integer, String> stringUsageTypes = new HashMap<>();
informListeners("deobfuscate", "Getting usage types...");
getStringUsageTypes(stringUsageTypes, classesOnly);
for (int i = 0; i < instance_info.size(); i++) {
informListeners("deobfuscate", "class " + i + "/" + instance_info.size());
InstanceInfo insti = instance_info.get(i);
if (insti.name_index != 0) {
constants.getMultiname(insti.name_index).name_index = deobfuscation.deobfuscateName(stringUsageTypes, stringUsages, namespaceUsages, namesMap, constants.getMultiname(insti.name_index).name_index, true, renameType);
if (constants.getMultiname(insti.name_index).namespace_index != 0) {
constants.getNamespace(constants.getMultiname(insti.name_index).namespace_index).name_index
= deobfuscation.deobfuscatePackageName(stringUsageTypes, stringUsages, namesMap, constants.getNamespace(constants.getMultiname(insti.name_index).namespace_index).name_index, renameType);
}
}
if (insti.super_index != 0) {
constants.getMultiname(insti.super_index).name_index = deobfuscation.deobfuscateName(stringUsageTypes, stringUsages, namespaceUsages, namesMap, constants.getMultiname(insti.super_index).name_index, true, renameType);
}
}
if (classesOnly) {
return;
}
for (int i = 1; i < constants.getMultinameCount(); i++) {
informListeners("deobfuscate", "name " + i + "/" + constants.getMultinameCount());
constants.getMultiname(i).name_index = deobfuscation.deobfuscateName(stringUsageTypes, stringUsages, namespaceUsages, namesMap, constants.getMultiname(i).name_index, false, renameType);
}
for (int i = 1; i < constants.getNamespaceCount(); i++) {
informListeners("deobfuscate", "namespace " + i + "/" + constants.getNamespaceCount());
if (constants.getNamespace(i).kind != Namespace.KIND_PACKAGE) { //only packages
continue;
}
constants.getNamespace(i).name_index = deobfuscation.deobfuscatePackageName(stringUsageTypes, stringUsages, namesMap, constants.getNamespace(i).name_index, renameType);
}
//process reflection using getDefinitionByName too
for (MethodBody body : bodies) {
for (int ip = 0; ip < body.code.code.size(); ip++) {
if (body.code.code.get(ip).definition instanceof CallPropertyIns) {
int mIndex = body.code.code.get(ip).operands[0];
if (mIndex > 0) {
Multiname m = constants.getMultiname(mIndex);
if (m.getNameWithNamespace(constants).equals("flash.utils.getDefinitionByName")) {
if (ip > 0) {
if (body.code.code.get(ip - 1).definition instanceof PushStringIns) {
int strIndex = body.code.code.get(ip - 1).operands[0];
String fullname = constants.getString(strIndex);
String pkg = "";
String name = fullname;
if (fullname.contains(".")) {
pkg = fullname.substring(0, fullname.lastIndexOf('.'));
name = fullname.substring(fullname.lastIndexOf('.') + 1);
}
if (!pkg.isEmpty()) {
int pkgStrIndex = constants.getStringId(pkg, true);
pkgStrIndex = deobfuscation.deobfuscatePackageName(stringUsageTypes, stringUsages, namesMap, pkgStrIndex, renameType);
pkg = constants.getString(pkgStrIndex);
}
int nameStrIndex = constants.getStringId(name, true);
nameStrIndex = deobfuscation.deobfuscateName(stringUsageTypes, stringUsages, namespaceUsages, namesMap, nameStrIndex, true, renameType);
name = constants.getString(nameStrIndex);
String fullChanged = "";
if (!pkg.isEmpty()) {
fullChanged = pkg + ".";
}
fullChanged += name;
strIndex = constants.getStringId(fullChanged, true);
body.code.code.get(ip - 1).operands[0] = strIndex;
}
}
}
}
}
}
}
}
public ABC(ABCInputStream ais, SWF swf, ABCContainerTag tag) throws IOException {
this.swf = swf;
this.parentTag = tag;
minor_version = ais.readU16("minor_version");
major_version = ais.readU16("major_version");
logger.log(Level.FINE, "ABC minor_version: {0}, major_version: {1}", new Object[]{minor_version, major_version});
constants = new ConstantPool();
deobfuscation = new AVM2Deobfuscation(constants);
ais.newDumpLevel("constant_pool", "cpool_info");
//constant integers
int constant_int_pool_count = ais.readU30("int_count");
constants.constant_int = new ArrayList<>(constant_int_pool_count);
if (constant_int_pool_count > 0) {
constants.addInt(0);
}
if (constant_int_pool_count > 1) {
ais.newDumpLevel("integers", "integer[]");
for (int i = 1; i < constant_int_pool_count; i++) { //index 0 not used. Values 1..n-1
constants.addInt(ais.readS32("int"));
}
ais.endDumpLevel();
}
//constant unsigned integers
int constant_uint_pool_count = ais.readU30("uint_count");
constants.constant_uint = new ArrayList<>(constant_uint_pool_count);
if (constant_uint_pool_count > 0) {
constants.addUInt(0);
}
if (constant_uint_pool_count > 1) {
ais.newDumpLevel("uintegers", "uinteger[]");
for (int i = 1; i < constant_uint_pool_count; i++) { //index 0 not used. Values 1..n-1
constants.addUInt(ais.readU32("uint"));
}
ais.endDumpLevel();
}
//constant double
int constant_double_pool_count = ais.readU30("double_count");
constants.constant_double = new ArrayList<>(constant_double_pool_count);
if (constant_double_pool_count > 0) {
constants.addDouble(0);
}
if (constant_double_pool_count > 1) {
ais.newDumpLevel("doubles", "double[]");
for (int i = 1; i < constant_double_pool_count; i++) { //index 0 not used. Values 1..n-1
constants.addDouble(ais.readDouble("double"));
}
ais.endDumpLevel();
}
//constant decimal
if (minor_version >= MINORwithDECIMAL) {
int constant_decimal_pool_count = ais.readU30("decimal_count");
constants.constant_decimal = new ArrayList<>(constant_decimal_pool_count);
if (constant_decimal_pool_count > 0) {
constants.addDecimal(null);
}
if (constant_decimal_pool_count > 1) {
ais.newDumpLevel("decimals", "decimal[]");
for (int i = 1; i < constant_decimal_pool_count; i++) { //index 0 not used. Values 1..n-1
constants.addDecimal(ais.readDecimal("decimal"));
}
ais.endDumpLevel();
}
} else {
constants.constant_decimal = new ArrayList<>(0);
}
//constant string
int constant_string_pool_count = ais.readU30("string_count");
constants.constant_string = new ArrayList<>(constant_string_pool_count);
stringOffsets = new long[constant_string_pool_count];
if (constant_string_pool_count > 0) {
constants.addString("");
}
if (constant_string_pool_count > 1) {
ais.newDumpLevel("strings", "string[]");
for (int i = 1; i < constant_string_pool_count; i++) { //index 0 not used. Values 1..n-1
long pos = ais.getPosition();
constants.addString(ais.readString("string"));
stringOffsets[i] = pos;
}
ais.endDumpLevel();
}
//constant namespace
int constant_namespace_pool_count = ais.readU30("namespace_count");
constants.constant_namespace = new ArrayList<>(constant_namespace_pool_count);
if (constant_namespace_pool_count > 0) {
constants.addNamespace(null);
}
if (constant_namespace_pool_count > 1) {
ais.newDumpLevel("namespaces", "namespace[]");
for (int i = 1; i < constant_namespace_pool_count; i++) { //index 0 not used. Values 1..n-1
constants.addNamespace(ais.readNamespace("namespace"));
}
ais.endDumpLevel();
}
//constant namespace set
int constant_namespace_set_pool_count = ais.readU30("ns_set_count");
constants.constant_namespace_set = new ArrayList<>(constant_namespace_set_pool_count);
if (constant_namespace_set_pool_count > 0) {
constants.addNamespaceSet(null);
}
if (constant_namespace_set_pool_count > 1) {
ais.newDumpLevel("ns_sets", "ns_set[]");
for (int i = 1; i < constant_namespace_set_pool_count; i++) { //index 0 not used. Values 1..n-1
ais.newDumpLevel("ns_set_infos", "ns_set_info[]");
constants.addNamespaceSet(new NamespaceSet());
int namespace_count = ais.readU30("count");
constants.getNamespaceSet(i).namespaces = new int[namespace_count];
for (int j = 0; j < namespace_count; j++) {
constants.getNamespaceSet(i).namespaces[j] = ais.readU30("ns");
}
ais.endDumpLevel();
}
ais.endDumpLevel();
}
//constant multiname
int constant_multiname_pool_count = ais.readU30("multiname_count");
constants.constant_multiname = new ArrayList<>(constant_multiname_pool_count);
if (constant_multiname_pool_count > 0) {
constants.addMultiname(null);
}
if (constant_multiname_pool_count > 1) {
ais.newDumpLevel("multiname", "multinames[]");
for (int i = 1; i < constant_multiname_pool_count; i++) { //index 0 not used. Values 1..n-1
constants.addMultiname(ais.readMultiname("multiname"));
}
ais.endDumpLevel();
}
ais.endDumpLevel(); //cpool_info
//method info
int methods_count = ais.readU30("methods_count");
method_info = new ArrayList<>(methods_count); //MethodInfo[methods_count];
bodyIdxFromMethodIdx = new ArrayList<>(methods_count); //[methods_count];
for (int i = 0; i < methods_count; i++) {
method_info.add(ais.readMethodInfo("method"));
bodyIdxFromMethodIdx.add(-1);
}
//metadata info
int metadata_count = ais.readU30("metadata_count");
metadata_info = new ArrayList<>(metadata_count);
for (int i = 0; i < metadata_count; i++) {
int name_index = ais.readU30("name_index");
int values_count = ais.readU30("values_count");
int[] keys = new int[values_count];
for (int v = 0; v < values_count; v++) {
keys[v] = ais.readU30("key");
}
int[] values = new int[values_count];
for (int v = 0; v < values_count; v++) {
values[v] = ais.readU30("value");
}
metadata_info.add(new MetadataInfo(name_index, keys, values));
}
int class_count = ais.readU30("class_count");
instance_info = new ArrayList<>(class_count); //InstanceInfo[class_count];
for (int i = 0; i < class_count; i++) {
instance_info.add(ais.readInstanceInfo("instance"));
}
class_info = new ArrayList<>(class_count); //ClassInfo[class_count];
for (int i = 0; i < class_count; i++) {
ais.newDumpLevel("class", "class_info");
ClassInfo ci = new ClassInfo();
ci.cinit_index = ais.readU30("cinit_index");
ci.static_traits = ais.readTraits("static_traits");
class_info.add(ci);
ais.endDumpLevel();
}
int script_count = ais.readU30("script_count");
script_info = new ArrayList<>(script_count); //ScriptInfo[script_count];
for (int i = 0; i < script_count; i++) {
ais.newDumpLevel("script", "script_info");
ScriptInfo si = new ScriptInfo();
si.init_index = ais.readU30("init_index");
si.traits = ais.readTraits("traits");
script_info.add(si);
ais.endDumpLevel();
}
int bodies_count = ais.readU30("bodies_count");
bodies = new ArrayList<>(bodies_count); //MethodBody[bodies_count];
for (int i = 0; i < bodies_count; i++) {
ais.newDumpLevel("method_body", "method_body_info");
MethodBody mb = new MethodBody();
mb.method_info = ais.readU30("method_info");
mb.max_stack = ais.readU30("max_stack");
mb.max_regs = ais.readU30("max_regs");
mb.init_scope_depth = ais.readU30("init_scope_depth");
mb.max_scope_depth = ais.readU30("max_scope_depth");
int code_length = ais.readU30("code_length");
mb.codeBytes = ais.readBytes(code_length, "code");
try {
ABCInputStream ais2 = new ABCInputStream(new MemoryInputStream(mb.codeBytes));
mb.code = new AVM2Code(ais2);
} catch (UnknownInstructionCode re) {
mb.code = new AVM2Code();
Logger.getLogger(ABC.class.getName()).log(Level.SEVERE, null, re);
}
mb.code.compact();
int ex_count = ais.readU30("ex_count");
mb.exceptions = new ABCException[ex_count];
for (int j = 0; j < ex_count; j++) {
ABCException abce = new ABCException();
abce.start = ais.readU30("start");
abce.end = ais.readU30("end");
abce.target = ais.readU30("target");
abce.type_index = ais.readU30("type_index");
abce.name_index = ais.readU30("name_index");
mb.exceptions[j] = abce;
}
mb.traits = ais.readTraits("traits");
bodies.add(mb);
method_info.get(mb.method_info).setBody(mb);
bodyIdxFromMethodIdx.set(mb.method_info, i);
ais.endDumpLevel();
}
loadNamespaceMap();
/*for(int i=0;i<script_count;i++){
MethodBody bod=bodies.get(bodyIdxFromMethodIdx.get(script_info.get(i).init_index));
GraphTextWriter t=new HilightedTextWriter(Configuration.getCodeFormatting(),false);
try {
bod.toString("script", ScriptExportMode.PCODE, false,i, 0, this, null, constants, method_info, new Stack<GraphTargetItem>(), false, t ,new ArrayList<String>(), null);
} catch (InterruptedException ex) {
Logger.getLogger(ABC.class.getName()).log(Level.SEVERE, null, ex);
}
System.out.println(""+t.toString());
}
System.exit(0);*/
}
public void saveToStream(OutputStream os) throws IOException {
ABCOutputStream aos = new ABCOutputStream(os);
aos.writeU16(minor_version);
aos.writeU16(major_version);
aos.writeU30(constants.getIntCount());
for (int i = 1; i < constants.getIntCount(); i++) {
aos.writeS32(constants.getInt(i));
}
aos.writeU30(constants.getUIntCount());
for (int i = 1; i < constants.getUIntCount(); i++) {
aos.writeU32(constants.getUInt(i));
}
aos.writeU30(constants.getDoubleCount());
for (int i = 1; i < constants.getDoubleCount(); i++) {
aos.writeDouble(constants.getDouble(i));
}
if (minor_version >= MINORwithDECIMAL) {
aos.writeU30(constants.getDecimalCount());
for (int i = 1; i < constants.getDecimalCount(); i++) {
aos.writeDecimal(constants.getDecimal(i));
}
}
aos.writeU30(constants.getStringCount());
for (int i = 1; i < constants.getStringCount(); i++) {
aos.writeString(constants.getString(i));
}
aos.writeU30(constants.getNamespaceCount());
for (int i = 1; i < constants.getNamespaceCount(); i++) {
aos.writeNamespace(constants.getNamespace(i));
}
aos.writeU30(constants.getNamespaceSetCount());
for (int i = 1; i < constants.getNamespaceSetCount(); i++) {
aos.writeU30(constants.getNamespaceSet(i).namespaces.length);
for (int j = 0; j < constants.getNamespaceSet(i).namespaces.length; j++) {
aos.writeU30(constants.getNamespaceSet(i).namespaces[j]);
}
}
aos.writeU30(constants.getMultinameCount());
for (int i = 1; i < constants.getMultinameCount(); i++) {
aos.writeMultiname(constants.getMultiname(i));
}
aos.writeU30(method_info.size());
for (MethodInfo mi : method_info) {
aos.writeMethodInfo(mi);
}
aos.writeU30(metadata_info.size());
for (MetadataInfo mi : metadata_info) {
aos.writeU30(mi.name_index);
aos.writeU30(mi.values.length);
for (int j = 0; j < mi.values.length; j++) {
aos.writeU30(mi.keys[j]);
}
for (int j = 0; j < mi.values.length; j++) {
aos.writeU30(mi.values[j]);
}
}
aos.writeU30(class_info.size());
for (InstanceInfo ii : instance_info) {
aos.writeInstanceInfo(ii);
}
for (ClassInfo ci : class_info) {
aos.writeU30(ci.cinit_index);
aos.writeTraits(ci.static_traits);
}
aos.writeU30(script_info.size());
for (ScriptInfo si : script_info) {
aos.writeU30(si.init_index);
aos.writeTraits(si.traits);
}
aos.writeU30(bodies.size());
for (MethodBody mb : bodies) {
aos.writeU30(mb.method_info);
aos.writeU30(mb.max_stack);
aos.writeU30(mb.max_regs);
aos.writeU30(mb.init_scope_depth);
aos.writeU30(mb.max_scope_depth);
byte[] codeBytes = mb.code.getBytes();
aos.writeU30(codeBytes.length);
aos.write(codeBytes);
aos.writeU30(mb.exceptions.length);
for (int j = 0; j < mb.exceptions.length; j++) {
aos.writeU30(mb.exceptions[j].start);
aos.writeU30(mb.exceptions[j].end);
aos.writeU30(mb.exceptions[j].target);
aos.writeU30(mb.exceptions[j].type_index);
aos.writeU30(mb.exceptions[j].name_index);
}
aos.writeTraits(mb.traits);
}
}
public MethodBody findBody(int methodInfo) {
if (methodInfo < 0) {
return null;
}
return method_info.get(methodInfo).getBody();
}
public int findBodyIndex(int methodInfo) {
if (methodInfo == -1) {
return -1;
}
return bodyIdxFromMethodIdx.get(methodInfo);
}
public MethodBody findBodyByClassAndName(String className, String methodName) {
for (int i = 0; i < instance_info.size(); i++) {
if (className.equals(constants.getMultiname(instance_info.get(i).name_index).getName(constants, new ArrayList<String>()))) {
for (Trait t : instance_info.get(i).instance_traits.traits) {
if (t instanceof TraitMethodGetterSetter) {
TraitMethodGetterSetter t2 = (TraitMethodGetterSetter) t;
if (methodName.equals(t2.getName(this).getName(constants, new ArrayList<String>()))) {
for (MethodBody body : bodies) {
if (body.method_info == t2.method_info) {
return body;
}
}
}
}
}
//break;
}
}
for (int i = 0; i < class_info.size(); i++) {
if (className.equals(constants.getMultiname(instance_info.get(i).name_index).getName(constants, new ArrayList<String>()))) {
for (Trait t : class_info.get(i).static_traits.traits) {
if (t instanceof TraitMethodGetterSetter) {
TraitMethodGetterSetter t2 = (TraitMethodGetterSetter) t;
if (methodName.equals(t2.getName(this).getName(constants, new ArrayList<String>()))) {
for (MethodBody body : bodies) {
if (body.method_info == t2.method_info) {
return body;
}
}
}
}
}
//break;
}
}
return null;
}
public boolean isStaticTraitId(int classIndex, int traitId) {
if (traitId < class_info.get(classIndex).static_traits.traits.size()) {
return true;
} else if (traitId < class_info.get(classIndex).static_traits.traits.size() + instance_info.get(classIndex).instance_traits.traits.size()) {
return false;
} else {
return true; //Can be class or instance initializer
}
}
public Trait findTraitByTraitId(int classIndex, int traitId) {
if (classIndex == -1) {
return null;
}
if (traitId < class_info.get(classIndex).static_traits.traits.size()) {
return class_info.get(classIndex).static_traits.traits.get(traitId);
} else if (traitId < class_info.get(classIndex).static_traits.traits.size() + instance_info.get(classIndex).instance_traits.traits.size()) {
traitId -= class_info.get(classIndex).static_traits.traits.size();
return instance_info.get(classIndex).instance_traits.traits.get(traitId);
} else {
return null; //Can be class or instance initializer
}
}
public int findMethodIdByTraitId(int classIndex, int traitId) {
if (classIndex == -1) {
return -1;
}
if (traitId < class_info.get(classIndex).static_traits.traits.size()) {
if (class_info.get(classIndex).static_traits.traits.get(traitId) instanceof TraitMethodGetterSetter) {
return ((TraitMethodGetterSetter) class_info.get(classIndex).static_traits.traits.get(traitId)).method_info;
} else {
return -1;
}
} else if (traitId < class_info.get(classIndex).static_traits.traits.size() + instance_info.get(classIndex).instance_traits.traits.size()) {
traitId -= class_info.get(classIndex).static_traits.traits.size();
if (instance_info.get(classIndex).instance_traits.traits.get(traitId) instanceof TraitMethodGetterSetter) {
return ((TraitMethodGetterSetter) instance_info.get(classIndex).instance_traits.traits.get(traitId)).method_info;
} else {
return -1;
}
} else {
traitId -= class_info.get(classIndex).static_traits.traits.size() + instance_info.get(classIndex).instance_traits.traits.size();
if (traitId == 0) {
return instance_info.get(classIndex).iinit_index;
} else if (traitId == 1) {
return class_info.get(classIndex).cinit_index;
} else {
return -1;
}
}
}
/* Map from multiname index of namespace value to namespace name**/
private HashMap<String, String> namespaceMap;
private void loadNamespaceMap() {
namespaceMap = new HashMap<>();
for (ScriptInfo si : script_info) {
for (Trait t : si.traits.traits) {
if (t instanceof TraitSlotConst) {
TraitSlotConst s = ((TraitSlotConst) t);
if (s.isNamespace()) {
String key = constants.getNamespace(s.value_index).getName(constants); //assume not null
String val = constants.getMultiname(s.name_index).getNameWithNamespace(constants);
namespaceMap.put(key, val);
}
}
}
}
}
public String nsValueToName(String value) {
if (namespaceMap.containsKey(value)) {
return namespaceMap.get(value);
} else {
String ns = deobfuscation.builtInNs(value);
if (ns == null) {
return "";
} else {
return ns;
}
}
}
public List<MyEntry<ClassPath, ScriptPack>> getScriptPacks() {
List<MyEntry<ClassPath, ScriptPack>> ret = new ArrayList<>();
for (int i = 0; i < script_info.size(); i++) {
ret.addAll(script_info.get(i).getPacks(this, i));
}
return ret;
}
public void dump(OutputStream os) {
Utf8PrintWriter output;
output = new Utf8PrintWriter(os);
constants.dump(output);
for (int i = 0; i < method_info.size(); i++) {
output.println("MethodInfo[" + i + "]:" + method_info.get(i).toString(constants, new ArrayList<String>()));
}
for (int i = 0; i < metadata_info.size(); i++) {
output.println("MetadataInfo[" + i + "]:" + metadata_info.get(i).toString(constants));
}
for (int i = 0; i < instance_info.size(); i++) {
output.println("InstanceInfo[" + i + "]:" + instance_info.get(i).toString(this, new ArrayList<String>()));
}
for (int i = 0; i < class_info.size(); i++) {
output.println("ClassInfo[" + i + "]:" + class_info.get(i).toString(this, new ArrayList<String>()));
}
for (int i = 0; i < script_info.size(); i++) {
output.println("ScriptInfo[" + i + "]:" + script_info.get(i).toString(this, new ArrayList<String>()));
}
for (int i = 0; i < bodies.size(); i++) {
output.println("MethodBody[" + i + "]:"); //+ bodies[i].toString(this, constants, method_info));
}
}
private void checkMultinameUsedInMethod(List<ABCContainerTag> abcTags, int multinameIndex, int methodInfo, List<MultinameUsage> ret, int classIndex, int traitIndex, boolean isStatic, boolean isInitializer, Traits traits, int parentTraitIndex) {
for (int p = 0; p < method_info.get(methodInfo).param_types.length; p++) {
if (method_info.get(methodInfo).param_types[p] == multinameIndex) {
ret.add(new MethodParamsMultinameUsage(abcTags, this, multinameIndex, classIndex, traitIndex, isStatic, isInitializer, traits, parentTraitIndex));
break;
}
}
if (method_info.get(methodInfo).ret_type == multinameIndex) {
ret.add(new MethodReturnTypeMultinameUsage(abcTags, this, multinameIndex, classIndex, traitIndex, isStatic, isInitializer, traits, parentTraitIndex));
}
MethodBody body = findBody(methodInfo);
if (body != null) {
findMultinameUsageInTraits(abcTags, body.traits, multinameIndex, isStatic, classIndex, ret, traitIndex);
for (ABCException e : body.exceptions) {
if ((e.name_index == multinameIndex) || (e.type_index == multinameIndex)) {
ret.add(new MethodBodyMultinameUsage(abcTags, this, multinameIndex, classIndex, traitIndex, isStatic, isInitializer, traits, parentTraitIndex));
return;
}
}
for (AVM2Instruction ins : body.code.code) {
for (int o = 0; o < ins.definition.operands.length; o++) {
if (ins.definition.operands[o] == AVM2Code.DAT_MULTINAME_INDEX) {
if (ins.operands[o] == multinameIndex) {
ret.add(new MethodBodyMultinameUsage(abcTags, this, multinameIndex, classIndex, traitIndex, isStatic, isInitializer, traits, parentTraitIndex));
return;
}
}
}
}
}
}
private void findMultinameUsageInTraits(List<ABCContainerTag> abcTags, Traits traits, int multinameIndex, boolean isStatic, int classIndex, List<MultinameUsage> ret, int parentTraitIndex) {
for (int t = 0; t < traits.traits.size(); t++) {
if (traits.traits.get(t) instanceof TraitSlotConst) {
TraitSlotConst tsc = (TraitSlotConst) traits.traits.get(t);
if (tsc.name_index == multinameIndex) {
ret.add(new ConstVarNameMultinameUsage(abcTags, this, multinameIndex, classIndex, t, isStatic, traits, parentTraitIndex));
}
if (tsc.type_index == multinameIndex) {
ret.add(new ConstVarTypeMultinameUsage(abcTags, this, multinameIndex, classIndex, t, isStatic, traits, parentTraitIndex));
}
}
if (traits.traits.get(t) instanceof TraitMethodGetterSetter) {
TraitMethodGetterSetter tmgs = (TraitMethodGetterSetter) traits.traits.get(t);
if (tmgs.name_index == multinameIndex) {
ret.add(new MethodNameMultinameUsage(abcTags, this, multinameIndex, classIndex, t, isStatic, false, traits, parentTraitIndex));
}
checkMultinameUsedInMethod(abcTags, multinameIndex, tmgs.method_info, ret, classIndex, t, isStatic, false, traits, parentTraitIndex);
}
}
}
public List<MultinameUsage> findMultinameDefinition(List<ABCContainerTag> abcTags, int multinameIndex) {
List<MultinameUsage> usages = findMultinameUsage(abcTags, multinameIndex);
List<MultinameUsage> ret = new ArrayList<>();
for (MultinameUsage u : usages) {
if (u instanceof DefinitionUsage) {
ret.add(u);
}
}
return ret;
}
public List<MultinameUsage> findMultinameUsage(List<ABCContainerTag> abcTags, int multinameIndex) {
List<MultinameUsage> ret = new ArrayList<>();
if (multinameIndex == 0) {
return ret;
}
for (int c = 0; c < instance_info.size(); c++) {
if (instance_info.get(c).name_index == multinameIndex) {
ret.add(new ClassNameMultinameUsage(abcTags, this, multinameIndex, c));
}
if (instance_info.get(c).super_index == multinameIndex) {
ret.add(new ExtendsMultinameUsage(abcTags, this, multinameIndex, c));
}
for (int i = 0; i < instance_info.get(c).interfaces.length; i++) {
if (instance_info.get(c).interfaces[i] == multinameIndex) {
ret.add(new ImplementsMultinameUsage(abcTags, this, multinameIndex, c));
}
}
checkMultinameUsedInMethod(abcTags, multinameIndex, instance_info.get(c).iinit_index, ret, c, 0, false, true, null, -1);
checkMultinameUsedInMethod(abcTags, multinameIndex, class_info.get(c).cinit_index, ret, c, 0, true, true, null, -1);
findMultinameUsageInTraits(abcTags, instance_info.get(c).instance_traits, multinameIndex, false, c, ret, -1);
findMultinameUsageInTraits(abcTags, class_info.get(c).static_traits, multinameIndex, true, c, ret, -1);
}
loopm:
for (int m = 1; m < constants.getMultinameCount(); m++) {
if (constants.getMultiname(m).kind == Multiname.TYPENAME) {
if (constants.getMultiname(m).qname_index == multinameIndex) {
ret.add(new TypeNameMultinameUsage(abcTags, this, m));
continue;
}
for (int mp : constants.getMultiname(m).params) {
if (mp == multinameIndex) {
ret.add(new TypeNameMultinameUsage(abcTags, this, m));
continue loopm;
}
}
}
}
return ret;
}
public int findMethodInfoByName(int classId, String methodName) {
if (classId > -1) {
for (Trait t : instance_info.get(classId).instance_traits.traits) {
if (t instanceof TraitMethodGetterSetter) {
if (t.getName(this).getName(constants, new ArrayList<String>()).equals(methodName)) {
return ((TraitMethodGetterSetter) t).method_info;
}
}
}
}
return -1;
}
public int findMethodBodyByName(int classId, String methodName) {
if (classId > -1) {
for (Trait t : instance_info.get(classId).instance_traits.traits) {
if (t instanceof TraitMethodGetterSetter) {
if (t.getName(this).getName(constants, new ArrayList<String>()).equals(methodName)) {
return findBodyIndex(((TraitMethodGetterSetter) t).method_info);
}
}
}
}
return -1;
}
public int findMethodBodyByName(String className, String methodName) {
int classId = findClassByName(className);
return findMethodBodyByName(classId, methodName);
}
public int findClassByName(String name) {
for (int c = 0; c < instance_info.size(); c++) {
String s = constants.getMultiname(instance_info.get(c).name_index).getNameWithNamespace(constants);
if (name.equals(s)) {
return c;
}
}
return -1;
}
public List<ScriptPack> findScriptPacksByPath(String name) {
List<ScriptPack> ret = new ArrayList<>();
List<MyEntry<ClassPath, ScriptPack>> allPacks = getScriptPacks();
if (name.endsWith(".**") || name.equals("**") || name.endsWith(".++") || name.equals("++")) {
name = name.substring(0, name.length() - 2);
for (MyEntry<ClassPath, ScriptPack> en : allPacks) {
if (en.key.toString().startsWith(name)) {
ret.add(en.value);
}
}
} else if (name.endsWith(".*") || name.equals("*") || name.endsWith(".+") || name.equals("+")) {
name = name.substring(0, name.length() - 1);
for (MyEntry<ClassPath, ScriptPack> en : allPacks) {
if (en.key.toString().startsWith(name)) {
String rem = name.isEmpty() ? en.key.toString() : en.key.toString().substring(name.length());
if (!rem.contains(".")) {
ret.add(en.value);
}
}
}
} else {
ScriptPack p = findScriptPackByPath(name);
if (p != null) {
ret.add(p);
}
}
return ret;
}
public ScriptPack findScriptPackByPath(String name) {
List<MyEntry<ClassPath, ScriptPack>> packs = getScriptPacks();
for (MyEntry<ClassPath, ScriptPack> en : packs) {
if (en.key.toString().equals(name)) {
return en.value;
}
}
return null;
}
private void removeClassFromTraits(Traits traits, int index) {
for (Trait t : traits.traits) {
if (t instanceof TraitClass) {
TraitClass tc = (TraitClass) t;
removeClassFromTraits(instance_info.get(tc.class_info).instance_traits, index);
removeClassFromTraits(class_info.get(tc.class_info).static_traits, index);
if (tc.class_info > index) {
tc.class_info--;
}
}
}
}
public void removeClass(int index) {
for (MethodBody b : bodies) {
for (AVM2Instruction ins : b.code.code) {
for (int i = 0; i < ins.definition.operands.length; i++) {
if (ins.definition.operands[i] == AVM2Code.DAT_CLASS_INDEX) {
if (ins.operands[i] > index) {
ins.operands[i]--;
}
}
}
}
}
for (ScriptInfo si : script_info) {
removeClassFromTraits(si.traits, index);
}
instance_info.remove(index);
class_info.remove(index);
}
private void removeMethodFromTraits(Traits traits, int index) {
for (Trait t : traits.traits) {
if (t instanceof TraitClass) {
TraitClass tc = (TraitClass) t;
removeMethodFromTraits(instance_info.get(tc.class_info).instance_traits, index);
removeMethodFromTraits(class_info.get(tc.class_info).static_traits, index);
}
if (t instanceof TraitMethodGetterSetter) {
TraitMethodGetterSetter tmgs = (TraitMethodGetterSetter) t;
if (tmgs.method_info > index) {
tmgs.method_info--;
}
}
if (t instanceof TraitFunction) {
TraitFunction tf = (TraitFunction) t;
if (tf.method_info > index) {
tf.method_info--;
}
}
}
}
public void removeMethod(int index) {
int bindex = -1;
for (int b = 0; b < bodies.size(); b++) {
if (bodies.get(b).method_info == index) {
bodies.remove(b);
bindex = b;
b--;
}
}
for (MethodBody b : bodies) {
if (b.method_info > index) {
b.method_info--;
}
for (AVM2Instruction ins : b.code.code) {
for (int i = 0; i < ins.definition.operands.length; i++) {
if (ins.definition.operands[i] == AVM2Code.DAT_METHOD_INDEX) {
if (ins.operands[i] > index) {
ins.operands[i]--;
}
}
}
}
}
for (int c = 0; c < instance_info.size(); c++) {
InstanceInfo ii = instance_info.get(c);
if (ii.iinit_index > index) {
ii.iinit_index--;
}
ClassInfo ci = class_info.get(c);
if (ci.cinit_index > index) {
ci.cinit_index--;
}
}
for (ScriptInfo si : script_info) {
if (si.init_index > index) {
si.init_index--;
}
removeMethodFromTraits(si.traits, index);
}
if (bindex > -1) {
for (int mi = 0; mi < bodyIdxFromMethodIdx.size(); mi++) {
if (bodyIdxFromMethodIdx.get(mi) > bindex) {
bodyIdxFromMethodIdx.set(mi, bodyIdxFromMethodIdx.get(mi) - 1);
}
}
}
bodyIdxFromMethodIdx.remove(index);
method_info.remove(index);
}
public void pack() {
for (int c = 0; c < instance_info.size(); c++) {
if (instance_info.get(c).deleted) {
removeClass(c);
c--;
}
}
for (int m = 0; m < method_info.size(); m++) {
if (method_info.get(m).deleted) {
removeMethod(m);
m--;
}
}
}
}