You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
550 lines
16 KiB
550 lines
16 KiB
/* PackageIdentifier Copyright (C) 1999 Jochen Hoenicke.
|
|
*
|
|
* 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 2, 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; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
package jode.obfuscator;
|
|
import jode.GlobalOptions;
|
|
import jode.bytecode.ClassInfo;
|
|
import jode.bytecode.FieldInfo;
|
|
import jode.bytecode.MethodInfo;
|
|
import java.lang.reflect.Modifier;
|
|
import java.io.*;
|
|
import java.util.Vector;
|
|
import java.util.Enumeration;
|
|
import java.util.zip.ZipEntry;
|
|
import java.util.zip.ZipOutputStream;
|
|
|
|
import @COLLECTIONS@.Map;
|
|
import @COLLECTIONS@.HashMap;
|
|
import @COLLECTIONS@.Iterator;
|
|
|
|
public class PackageIdentifier extends Identifier {
|
|
ClassBundle bundle;
|
|
PackageIdentifier parent;
|
|
String name;
|
|
|
|
boolean loadOnDemand;
|
|
Map loadedClasses;
|
|
|
|
public PackageIdentifier(ClassBundle bundle,
|
|
PackageIdentifier parent,
|
|
String name) {
|
|
super(name);
|
|
this.bundle = bundle;
|
|
this.parent = parent;
|
|
this.name = name;
|
|
this.loadedClasses = new HashMap();
|
|
}
|
|
|
|
/**
|
|
* Marks the parent package as preserved, too.
|
|
*/
|
|
protected void setSinglePreserved() {
|
|
if (parent != null)
|
|
parent.setPreserved();
|
|
}
|
|
|
|
public void setLoadOnDemand() {
|
|
if (loadOnDemand)
|
|
return;
|
|
loadOnDemand = true;
|
|
if ((Main.stripping & Main.STRIP_UNREACH) == 0) {
|
|
String fullname = getFullName();
|
|
if (fullname.length() > 0)
|
|
fullname += ".";
|
|
|
|
// Load all classes and packages now, so they don't get stripped
|
|
Enumeration enum =
|
|
ClassInfo.getClassesAndPackages(getFullName());
|
|
while (enum.hasMoreElements()) {
|
|
String subclazz = ((String)enum.nextElement()).intern();
|
|
if (loadedClasses.containsKey(subclazz))
|
|
continue;
|
|
String subFull = fullname + subclazz;
|
|
|
|
if (ClassInfo.isPackage(subFull)) {
|
|
PackageIdentifier ident = new PackageIdentifier
|
|
(bundle, this, subclazz);
|
|
loadedClasses.put(subclazz, ident);
|
|
ident.setLoadOnDemand();
|
|
} else {
|
|
ClassIdentifier ident = new ClassIdentifier
|
|
(this, subclazz, ClassInfo.forName(subFull));
|
|
|
|
if (GlobalOptions.verboseLevel > 1)
|
|
GlobalOptions.err.println("preloading Class "
|
|
+ subFull);
|
|
loadedClasses.put(subclazz, ident);
|
|
((ClassIdentifier) ident).initClass();
|
|
}
|
|
}
|
|
// Everything is loaded, we don't need to load on demand anymore.
|
|
loadOnDemand = false;
|
|
}
|
|
}
|
|
|
|
public Identifier getIdentifier(String name) {
|
|
if (loadOnDemand) {
|
|
Identifier ident = loadClass(name);
|
|
return ident;
|
|
}
|
|
int index = name.indexOf('.');
|
|
if (index == -1)
|
|
return (Identifier) loadedClasses.get(name);
|
|
else {
|
|
PackageIdentifier pack = (PackageIdentifier)
|
|
loadedClasses.get(name.substring(0, index));
|
|
if (pack != null)
|
|
return pack.getIdentifier(name.substring(index+1));
|
|
else
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public Identifier loadClass(String name) {
|
|
int index = name.indexOf('.');
|
|
if (index == -1) {
|
|
Identifier ident = (Identifier) loadedClasses.get(name);
|
|
if (ident == null) {
|
|
String fullname = getFullName();
|
|
fullname = (fullname.length() > 0)
|
|
? fullname + "."+ name
|
|
: name;
|
|
if (ClassInfo.isPackage(fullname)) {
|
|
PackageIdentifier pack
|
|
= new PackageIdentifier(bundle, this, name);
|
|
loadedClasses.put(name, pack);
|
|
pack.setLoadOnDemand();
|
|
ident = pack;
|
|
} else if (!ClassInfo.exists(fullname)) {
|
|
GlobalOptions.err.println("Warning: Can't find class "
|
|
+ fullname);
|
|
Thread.dumpStack();
|
|
} else {
|
|
ident = new ClassIdentifier(this, name,
|
|
ClassInfo.forName(fullname));
|
|
loadedClasses.put(name, ident);
|
|
((ClassIdentifier) ident).initClass();
|
|
}
|
|
}
|
|
return ident;
|
|
} else {
|
|
String subpack = name.substring(0, index);
|
|
PackageIdentifier pack =
|
|
(PackageIdentifier) loadedClasses.get(subpack);
|
|
if (pack == null) {
|
|
String fullname = getFullName();
|
|
fullname = (fullname.length() > 0)
|
|
? fullname + "."+ subpack : subpack;
|
|
if (ClassInfo.isPackage(fullname)) {
|
|
pack = new PackageIdentifier(bundle, this,
|
|
subpack);
|
|
loadedClasses.put(subpack, pack);
|
|
if (loadOnDemand)
|
|
pack.setLoadOnDemand();
|
|
}
|
|
}
|
|
|
|
if (pack != null)
|
|
return pack.loadClass(name.substring(index+1));
|
|
else
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public void loadMatchingClasses(IdentifierMatcher matcher) {
|
|
String component = matcher.getNextComponent(this);
|
|
if (component != null) {
|
|
Identifier ident = (Identifier) loadedClasses.get(component);
|
|
if (ident == null) {
|
|
component = component.intern();
|
|
String fullname = getFullName();
|
|
fullname = (fullname.length() > 0)
|
|
? fullname + "." + component
|
|
: component;
|
|
if (ClassInfo.isPackage(fullname)) {
|
|
ident = new PackageIdentifier(bundle, this,
|
|
component);
|
|
loadedClasses.put(component, ident);
|
|
if (loadOnDemand)
|
|
((PackageIdentifier) ident).setLoadOnDemand();
|
|
} else if (ClassInfo.exists(fullname)) {
|
|
if (GlobalOptions.verboseLevel > 1)
|
|
GlobalOptions.err.println("loading Class " +fullname);
|
|
ident = new ClassIdentifier(this, component,
|
|
ClassInfo.forName(fullname));
|
|
if (loadOnDemand || matcher.matches(ident)) {
|
|
loadedClasses.put(component, ident);
|
|
((ClassIdentifier) ident).initClass();
|
|
}
|
|
} else {
|
|
GlobalOptions.err.println
|
|
("Warning: Can't find class/package " + fullname);
|
|
}
|
|
}
|
|
if (ident instanceof PackageIdentifier) {
|
|
if (matcher.matches(ident)) {
|
|
if (GlobalOptions.verboseLevel > 0)
|
|
GlobalOptions.err.println("loading Package "
|
|
+ident.getFullName());
|
|
((PackageIdentifier) ident).setLoadOnDemand();
|
|
}
|
|
|
|
if (matcher.matchesSub(ident, null))
|
|
((PackageIdentifier) ident).loadMatchingClasses(matcher);
|
|
}
|
|
} else {
|
|
String fullname = getFullName();
|
|
if (fullname.length() > 0)
|
|
fullname += ".";
|
|
/* Load all matching classes and packages */
|
|
Enumeration enum =
|
|
ClassInfo.getClassesAndPackages(getFullName());
|
|
while (enum.hasMoreElements()) {
|
|
String subclazz = ((String)enum.nextElement()).intern();
|
|
if (loadedClasses.containsKey(subclazz))
|
|
continue;
|
|
String subFull = fullname + subclazz;
|
|
|
|
if (matcher.matchesSub(this, subclazz)) {
|
|
if (ClassInfo.isPackage(subFull)) {
|
|
if (GlobalOptions.verboseLevel > 0)
|
|
GlobalOptions.err.println("loading Package "
|
|
+ subFull);
|
|
PackageIdentifier ident = new PackageIdentifier
|
|
(bundle, this, subclazz);
|
|
loadedClasses.put(subclazz, ident);
|
|
if (loadOnDemand || matcher.matches(ident))
|
|
ident.setLoadOnDemand();
|
|
} else {
|
|
ClassIdentifier ident = new ClassIdentifier
|
|
(this, subclazz, ClassInfo.forName(subFull));
|
|
|
|
if (loadOnDemand || matcher.matches(ident)) {
|
|
if (GlobalOptions.verboseLevel > 1)
|
|
GlobalOptions.err.println("loading Class "
|
|
+ subFull);
|
|
loadedClasses.put(subclazz, ident);
|
|
((ClassIdentifier) ident).initClass();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
for (Iterator i = loadedClasses.values().iterator();
|
|
i.hasNext(); ) {
|
|
Identifier ident = (Identifier) i.next();
|
|
if (ident instanceof PackageIdentifier) {
|
|
if (matcher.matches(ident))
|
|
((PackageIdentifier) ident).setLoadOnDemand();
|
|
|
|
if (matcher.matchesSub(ident, null))
|
|
((PackageIdentifier) ident)
|
|
.loadMatchingClasses(matcher);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public void applyPreserveRule(IdentifierMatcher preserveRule) {
|
|
if (loadOnDemand)
|
|
loadMatchingClasses(preserveRule);
|
|
super.applyPreserveRule(preserveRule);
|
|
}
|
|
// public void preserveMatchingIdentifier(IdentifierMatcher matcher) {
|
|
// String component = matcher.getNextComponent(getFullName());
|
|
// if (component != null) {
|
|
// String fullname = getFullName();
|
|
// fullname = (fullname.length() > 0)
|
|
// ? fullname + "."+ component : component;
|
|
// Identifier ident = (Identifier) loadedClasses.get(component);
|
|
// if (ident == null) {
|
|
// if (!loadOnDemand) {
|
|
// GlobalOptions.err.println
|
|
// ("Warning: Didn't load package/class "+ fullname);
|
|
// return;
|
|
// }
|
|
// if (ClassInfo.isPackage(fullname)) {
|
|
// ident = new PackageIdentifier(bundle, this,
|
|
// component, loadOnDemand);
|
|
// loadedClasses.put(component, ident);
|
|
// } else if (ClassInfo.exists(fullname)) {
|
|
// ident = new ClassIdentifier(this, component,
|
|
// ClassInfo.forName(fullname));
|
|
// loadedClasses.put(component, ident);
|
|
// ((ClassIdentifier) ident).initClass();
|
|
// if (bundle.preserveRule != null)
|
|
// ident.applyPreserveRule(bundle.preserveRule);
|
|
// } else {
|
|
// GlobalOptions.err.println("Warning: Can't find class "
|
|
// + fullname);
|
|
// return;
|
|
// }
|
|
// }
|
|
// if (matcher.matches(fullname)) {
|
|
// if (GlobalOptions.verboseLevel > 1)
|
|
// GlobalOptions.err.println("preserving "+ident);
|
|
// ident.setPreserved();
|
|
// }
|
|
// if (matcher.startsWith(fullname+".")) {
|
|
// if (ident instanceof PackageIdentifier)
|
|
// ((PackageIdentifier) ident)
|
|
// .preserveMatchingIdentifier(matcher);
|
|
// else
|
|
// ((ClassIdentifier) ident)
|
|
// .preserveMatchingIdentifier(matcher);
|
|
// }
|
|
// } else {
|
|
// String fullname = getFullName();
|
|
// if (fullname.length() > 0)
|
|
// fullname += ".";
|
|
// if (loadOnDemand) {
|
|
// /* Load all matching classes and packages */
|
|
// Enumeration enum =
|
|
// ClassInfo.getClassesAndPackages(getFullName());
|
|
// while (enum.hasMoreElements()) {
|
|
// String subclazz = (String)enum.nextElement();
|
|
// if (loadedClasses.containsKey(subclazz))
|
|
// continue;
|
|
// String subFull = fullname + subclazz;
|
|
|
|
// if (matcher.startsWith(subFull)) {
|
|
// if (ClassInfo.isPackage(subFull)) {
|
|
// System.err.println("is package: "+subFull);
|
|
// Identifier ident = new PackageIdentifier
|
|
// (bundle, this, subclazz, true);
|
|
// loadedClasses.put(subclazz, ident);
|
|
// } else {
|
|
// ClassIdentifier ident = new ClassIdentifier
|
|
// (this, subclazz, ClassInfo.forName(subFull));
|
|
// loadedClasses.put(subclazz, ident);
|
|
// ((ClassIdentifier) ident).initClass();
|
|
// if (bundle.preserveRule != null)
|
|
// ident.applyPreserveRule(bundle.preserveRule);
|
|
// }
|
|
// }
|
|
// }
|
|
// }
|
|
// for (Iterator i = loadedClasses.values().iterator();
|
|
// i.hasNext(); ) {
|
|
// Identifier ident = (Identifier) i.next();
|
|
// if (matcher.matches(ident.getFullName())) {
|
|
// if (GlobalOptions.verboseLevel > 1)
|
|
// GlobalOptions.err.println("Preserving "+ident);
|
|
// ident.setPreserved();
|
|
// }
|
|
// if (matcher.startsWith(ident.getFullName()+".")) {
|
|
// if (ident instanceof PackageIdentifier)
|
|
// ((PackageIdentifier) ident)
|
|
// .preserveMatchingIdentifier(matcher);
|
|
// else
|
|
// ((ClassIdentifier) ident)
|
|
// .preserveMatchingIdentifier(matcher);
|
|
// }
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
/**
|
|
* @return the full qualified name.
|
|
*/
|
|
public String getFullName() {
|
|
if (parent != null) {
|
|
if (parent.getFullName().length() > 0)
|
|
return parent.getFullName() + "." + getName();
|
|
else
|
|
return getName();
|
|
} else
|
|
return "";
|
|
}
|
|
|
|
/**
|
|
* @return the full qualified alias.
|
|
*/
|
|
public String getFullAlias() {
|
|
if (parent != null) {
|
|
if (parent.getFullAlias().length() > 0)
|
|
return parent.getFullAlias() + "." + getAlias();
|
|
else
|
|
return getAlias();
|
|
}
|
|
return "";
|
|
}
|
|
|
|
public String findAlias(String className) {
|
|
int index = className.indexOf('.');
|
|
if (index == -1) {
|
|
Identifier ident = getIdentifier(className);
|
|
if (ident != null)
|
|
return ident.getFullAlias();
|
|
} else {
|
|
Identifier pack = getIdentifier(className.substring(0, index));
|
|
if (pack != null)
|
|
return ((PackageIdentifier)pack)
|
|
.findAlias(className.substring(index+1));
|
|
}
|
|
return className;
|
|
}
|
|
|
|
public void buildTable(Renamer renameRule) {
|
|
loadOnDemand = false;
|
|
super.buildTable(renameRule);
|
|
}
|
|
|
|
public void doTransformations() {
|
|
for (Iterator i = loadedClasses.values().iterator(); i.hasNext(); ) {
|
|
Identifier ident = (Identifier) i.next();
|
|
if (ident instanceof ClassIdentifier) {
|
|
((ClassIdentifier) ident).doTransformations();
|
|
} else
|
|
((PackageIdentifier) ident).doTransformations();
|
|
}
|
|
}
|
|
|
|
public void readTable(Map table) {
|
|
if (parent != null)
|
|
setAlias((String) table.get(getFullName()));
|
|
for (Iterator i = loadedClasses.values().iterator(); i.hasNext(); ) {
|
|
Identifier ident = (Identifier) i.next();
|
|
if ((Main.stripping & Main.STRIP_UNREACH) == 0
|
|
|| ident.isReachable())
|
|
ident.readTable(table);
|
|
}
|
|
}
|
|
|
|
public void writeTable(Map table) {
|
|
if (parent != null)
|
|
table.put(getFullAlias(), getName());
|
|
for (Iterator i = loadedClasses.values().iterator(); i.hasNext(); ) {
|
|
Identifier ident = (Identifier) i.next();
|
|
if ((Main.stripping & Main.STRIP_UNREACH) == 0
|
|
|| ident.isReachable())
|
|
ident.writeTable(table);
|
|
}
|
|
}
|
|
|
|
public Identifier getParent() {
|
|
return parent;
|
|
}
|
|
|
|
public String getName() {
|
|
return name;
|
|
}
|
|
|
|
public String getType() {
|
|
return "package";
|
|
}
|
|
|
|
public Iterator getChilds() {
|
|
return loadedClasses.values().iterator();
|
|
}
|
|
|
|
public void storeClasses(ZipOutputStream zip) {
|
|
for (Iterator i = loadedClasses.values().iterator(); i.hasNext(); ) {
|
|
Identifier ident = (Identifier) i.next();
|
|
if ((Main.stripping & Main.STRIP_UNREACH) != 0
|
|
&& !ident.isReachable()) {
|
|
if (GlobalOptions.verboseLevel > 4)
|
|
GlobalOptions.err.println("Class/Package "
|
|
+ ident.getFullName()
|
|
+ " is not reachable");
|
|
continue;
|
|
}
|
|
if (ident instanceof PackageIdentifier)
|
|
((PackageIdentifier) ident).storeClasses(zip);
|
|
else {
|
|
try {
|
|
String filename = ident.getFullAlias().replace('.','/')
|
|
+ ".class";
|
|
zip.putNextEntry(new ZipEntry(filename));
|
|
DataOutputStream out = new DataOutputStream
|
|
(new BufferedOutputStream(zip));
|
|
((ClassIdentifier) ident).storeClass(out);
|
|
out.flush();
|
|
zip.closeEntry();
|
|
} catch (java.io.IOException ex) {
|
|
GlobalOptions.err.println("Can't write Class "
|
|
+ ident.getName());
|
|
ex.printStackTrace(GlobalOptions.err);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public void storeClasses(File destination) {
|
|
File newDest = (parent == null) ? destination
|
|
: new File(destination, getAlias());
|
|
if (!newDest.exists() && !newDest.mkdir()) {
|
|
GlobalOptions.err.println("Could not create directory "
|
|
+newDest.getPath()+", check permissions.");
|
|
}
|
|
for (Iterator i = loadedClasses.values().iterator(); i.hasNext(); ) {
|
|
Identifier ident = (Identifier) i.next();
|
|
if ((Main.stripping & Main.STRIP_UNREACH) != 0
|
|
&& !ident.isReachable()) {
|
|
if (GlobalOptions.verboseLevel > 4)
|
|
GlobalOptions.err.println("Class/Package "
|
|
+ ident.getFullName()
|
|
+ " is not reachable");
|
|
continue;
|
|
}
|
|
if (ident instanceof PackageIdentifier)
|
|
((PackageIdentifier) ident)
|
|
.storeClasses(newDest);
|
|
else {
|
|
try {
|
|
File file = new File(newDest, ident.getAlias()+".class");
|
|
// if (file.exists()) {
|
|
// GlobalOptions.err.println
|
|
// ("Refuse to overwrite existing class file "
|
|
// +file.getPath()+". Remove it first.");
|
|
// return;
|
|
// }
|
|
DataOutputStream out = new DataOutputStream
|
|
(new BufferedOutputStream
|
|
(new FileOutputStream(file)));
|
|
((ClassIdentifier) ident).storeClass(out);
|
|
out.close();
|
|
} catch (java.io.IOException ex) {
|
|
GlobalOptions.err.println("Can't write Class "
|
|
+ ident.getName());
|
|
ex.printStackTrace(GlobalOptions.err);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public String toString() {
|
|
return (parent == null) ? "base package" : getFullName();
|
|
}
|
|
|
|
public boolean contains(String newAlias, Identifier except) {
|
|
for (Iterator i = loadedClasses.values().iterator(); i.hasNext(); ) {
|
|
Identifier ident = (Identifier)i.next();
|
|
if (((Main.stripping & Main.STRIP_UNREACH) == 0
|
|
|| ident.isReachable())
|
|
&& ident != except
|
|
&& ident.getAlias().equals(newAlias))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public boolean conflicting(String newAlias) {
|
|
return parent.contains(newAlias, this);
|
|
}
|
|
}
|
|
|