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WIP Safe strings handling

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This commit is contained in:
Jindra Petřík
2025-07-25 10:49:33 +02:00
parent ffe9e4d506
commit 12ab8af322
139 changed files with 679 additions and 459 deletions
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54
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/SWF.java
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@@ -190,12 +190,10 @@ import java.awt.geom.AffineTransform;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.Charset;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
@@ -670,6 +668,11 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
* Event listeners
*/
private final HashSet<EventListener> listeners = new HashSet<>();
/**
* AS3 obfuscated identifiers map
*/
private transient Map<String, String> as3ObfuscatedIdentifiersMap = null;
/**
* Lock for characters synchronization
@@ -3364,7 +3367,7 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
}
return String.join(File.separator, parts);
}
return DottedChain.parseNoSuffix(pkg.getName()).toPrintableString(false);
return DottedChain.parseNoSuffix(pkg.getName()).toPrintableString(this, false);
}
}
@@ -3375,7 +3378,7 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
String expName = tag.getSwf().getExportName(tag.getCharacterId());
if (expName != null && !expName.isEmpty()) {
String[] pathParts = expName.contains(".") ? expName.split("\\.") : new String[]{expName};
return IdentifiersDeobfuscation.printIdentifier(false, pathParts[pathParts.length - 1]);
return IdentifiersDeobfuscation.printIdentifier(this, false, pathParts[pathParts.length - 1]);
}
}
@@ -3704,7 +3707,7 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
* @param path Path
* @throws InterruptedException On interrupt
*/
private static void getVariables(ConstantPool constantPool, BaseLocalData localData, TranslateStack stack, List<GraphTargetItem> output, ActionGraphSource code, int ip, List<MyEntry<DirectValueActionItem, ConstantPool>> variables, List<GraphSourceItem> functions, HashMap<DirectValueActionItem, ConstantPool> strings, List<Integer> visited, HashMap<DirectValueActionItem, String> usageTypes, String path) throws InterruptedException {
private static void getVariables(SWF swf, ConstantPool constantPool, BaseLocalData localData, TranslateStack stack, List<GraphTargetItem> output, ActionGraphSource code, int ip, List<MyEntry<DirectValueActionItem, ConstantPool>> variables, List<GraphSourceItem> functions, HashMap<DirectValueActionItem, ConstantPool> strings, List<Integer> visited, HashMap<DirectValueActionItem, String> usageTypes, String path) throws InterruptedException {
ActionLocalData aLocalData = (ActionLocalData) localData;
boolean debugMode = false;
while ((ip > -1) && ip < code.size()) {
@@ -3714,7 +3717,7 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
GraphSourceItem ins = code.get(ip);
if (debugMode) {
System.err.println("Visit " + ip + ": ofs" + Helper.formatAddress(((Action) ins).getAddress()) + ":" + ((Action) ins).getASMSource(new ActionList(code.getCharset()), new HashSet<>(), ScriptExportMode.PCODE) + " stack:" + Helper.stackToString(stack, LocalData.create(new ConstantPool())));
System.err.println("Visit " + ip + ": ofs" + Helper.formatAddress(((Action) ins).getAddress()) + ":" + ((Action) ins).getASMSource(new ActionList(code.getCharset()), new HashSet<>(), ScriptExportMode.PCODE) + " stack:" + Helper.stackToString(stack, LocalData.create(new ConstantPool(), swf)));
}
if (ins.isExit()) {
break;
@@ -3772,7 +3775,7 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
ip = code.adr2pos(addr);
addr += size;
int nextip = code.adr2pos(addr);
getVariables(aLocalData.insideDoInitAction, variables, functions, strings, usageTypes, new ActionGraphSource(path, aLocalData.insideDoInitAction, code.getActions().subList(0, nextip), code.version, new HashMap<>(), new HashMap<>(), new HashMap<>(), code.getCharset(), ip), 0, path + (cntName == null ? "" : "/" + cntName));
getVariables(swf, aLocalData.insideDoInitAction, variables, functions, strings, usageTypes, new ActionGraphSource(path, aLocalData.insideDoInitAction, code.getActions().subList(0, nextip), code.version, new HashMap<>(), new HashMap<>(), new HashMap<>(), code.getCharset(), ip), 0, path + (cntName == null ? "" : "/" + cntName));
ip = nextip;
}
List<List<GraphTargetItem>> r = new ArrayList<>();
@@ -3851,7 +3854,7 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
for (int b : branches) {
TranslateStack brStack = (TranslateStack) stack.clone();
if (b >= 0) {
getVariables(constantPool, localData, brStack, output, code, b, variables, functions, strings, visited, usageTypes, path);
getVariables(swf, constantPool, localData, brStack, output, code, b, variables, functions, strings, visited, usageTypes, path);
} else if (debugMode) {
System.out.println("Negative branch:" + b);
}
@@ -3866,6 +3869,7 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
/**
* Gets variables from AS1/2 code.
*
* @param swf SWF
* @param insideDoInitAction Is inside DoInitAction
* @param variables Variables
* @param functions Functions
@@ -3876,9 +3880,9 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
* @param path Path
* @throws InterruptedException On interrupt
*/
private static void getVariables(boolean insideDoInitAction, List<MyEntry<DirectValueActionItem, ConstantPool>> variables, List<GraphSourceItem> functions, HashMap<DirectValueActionItem, ConstantPool> strings, HashMap<DirectValueActionItem, String> usageTypes, ActionGraphSource code, int addr, String path) throws InterruptedException {
private static void getVariables(SWF swf, boolean insideDoInitAction, List<MyEntry<DirectValueActionItem, ConstantPool>> variables, List<GraphSourceItem> functions, HashMap<DirectValueActionItem, ConstantPool> strings, HashMap<DirectValueActionItem, String> usageTypes, ActionGraphSource code, int addr, String path) throws InterruptedException {
ActionLocalData localData = new ActionLocalData(null, insideDoInitAction, new HashMap<>() /*??*/);
getVariables(null, localData, new TranslateStack(path), new ArrayList<>(), code, code.adr2pos(addr), variables, functions, strings, new ArrayList<>(), usageTypes, path);
getVariables(swf, null, localData, new TranslateStack(path), new ArrayList<>(), code, code.adr2pos(addr), variables, functions, strings, new ArrayList<>(), usageTypes, path);
}
/**
@@ -3900,7 +3904,7 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
ActionList actions = src.getActions();
actionsMap.put(src, actions);
boolean insideDoInitAction = src instanceof DoInitActionTag;
getVariables(insideDoInitAction, variables, functions, strings, usageTypes, new ActionGraphSource(path, insideDoInitAction, actions, version, new HashMap<>(), new HashMap<>(), new HashMap<>(), src.getSwf().getCharset(), 0), 0, path);
getVariables(this, insideDoInitAction, variables, functions, strings, usageTypes, new ActionGraphSource(path, insideDoInitAction, actions, version, new HashMap<>(), new HashMap<>(), new HashMap<>(), src.getSwf().getCharset(), 0), 0, path);
return ret;
}
@@ -3997,6 +4001,24 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
}
}
/**
* Gets all AS3 obfuscated identifiers in this SWF and their suggested SafeStr replacement
* @return Map source identifier to SafeStr replacement
*/
public synchronized Map<String, String> getAs3ObfuscatedIdentifiers() {
if (as3ObfuscatedIdentifiersMap != null) {
return as3ObfuscatedIdentifiersMap;
}
Map<String, String> ret = new LinkedHashMap<>();
for (Tag tag : getTags()) {
if (tag instanceof ABCContainerTag) {
ABCContainerTag abcTag = (ABCContainerTag) tag;
abcTag.getABC().getObfuscatedIdentifiers(ret);
}
}
return as3ObfuscatedIdentifiersMap = ret;
}
/**
* Deobfuscates AS3 identifiers.
*
@@ -4512,6 +4534,10 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
asmsCache = null;
asmsCacheExportFilenames = null;
synchronized (this) {
as3ObfuscatedIdentifiersMap = null;
}
IdentifiersDeobfuscation.clearCache();
}
@@ -5956,10 +5982,10 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
if (firstTrait instanceof TraitClass) {
int cindex = ((TraitClass) firstTrait).class_info;
Multiname superName = documentPack.abc.constants.getMultiname(documentPack.abc.instance_info.get(cindex).super_index);
String parentClass = superName.getNameWithNamespace(documentPack.abc.constants, true).toRawString();
String parentClass = superName.getNameWithNamespace(documentPack.abc, documentPack.abc.constants, true).toRawString();
if ("mx.managers.SystemManager".equals(parentClass)) {
for (Trait t : documentPack.abc.instance_info.get(cindex).instance_traits.traits) {
if ((t instanceof TraitMethodGetterSetter) && "info".equals(t.getName(documentPack.abc).getName(documentPack.abc.constants, new ArrayList<>(), true, true))) {
if ((t instanceof TraitMethodGetterSetter) && "info".equals(t.getName(documentPack.abc).getName(documentPack.abc, documentPack.abc.constants, new ArrayList<>(), true, true))) {
int mi = ((TraitMethodGetterSetter) t).method_info;
try {
@@ -6053,7 +6079,7 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
if (cit instanceof SetPropertyAVM2Item) {
if (cit.value instanceof GetLexAVM2Item) {
GetLexAVM2Item gl = (GetLexAVM2Item) cit.value;
ignoredClasses.add(gl.propertyName.getNameWithNamespace(p.abc.constants, true).toRawString());
ignoredClasses.add(gl.propertyName.getNameWithNamespace(p.abc, p.abc.constants, true).toRawString());
}
}
}