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jode
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much work

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git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@239 379699f6-c40d-0410-875b-85095c16579e
stable
jochen 26 years ago
parent af8be59950
commit 3c3736cf93
1 changed files with 36 additions and 42 deletions
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  1. 76
      jode/jode/obfuscator/Main.java

76
jode/jode/obfuscator/Main.java
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@ -21,11 +21,13 @@ import jode.bytecode.ClassInfo;
import jode.obfuscator.*;
import java.util.Vector;
import java.lang.reflect.Modifier;
import java.io.PrintStream;
public class Obfuscator {
public static boolean isVerbose = false;
public static boolean isDebugging = false;
public static PrintStream err = System.err;
public static final int PRESERVE_NONE = 0;
public static final int PRESERVE_PUBLIC = Modifier.PUBLIC;
public static final int PRESERVE_PROTECTED =
@ -40,40 +42,37 @@ public class Obfuscator {
public static final int RENAME_TABLE = 4;
public static void usage() {
Decompiler.err.println("usage: jode.Obfuscator flags* [class | package]*");
Decompiler.err.println("\t[-v] "+"Verbose output");
Decompiler.err.println("\t[-debug] "+"Debugging");
Decompiler.err.println("\t[-nostrip] "+
Obfuscator.err.println("usage: jode.Obfuscator flags* [class | package]*");
Obfuscator.err.println("\t[-v] "+"Verbose output");
Obfuscator.err.println("\t[-debug] "+"Debugging");
Obfuscator.err.println("\t[-nostrip] "+
"Don't strip not needed methods");
Decompiler.err.println("\t[-sourcepath] "+
"Colon-separated list of source-file directory");
Decompiler.err.println("\t[-d <directory>] "+
Obfuscator.err.println("\t[-cp <classpath>] "+
"The class path; should contain classes.zip");
Obfuscator.err.println("\t[-d <directory>] "+
"Destination directory for output classes");
Decompiler.err.println("Preserve options: ");
Decompiler.err.println("\t[-package] "+
Obfuscator.err.println("Preserve options: ");
Obfuscator.err.println("\t[-package] "+
"Preserve all package members");
Decompiler.err.println("\t[-protected] "+
Obfuscator.err.println("\t[-protected] "+
"Preserve all protected members");
Decompiler.err.println("\t[-public] "+
Obfuscator.err.println("\t[-public] "+
"Preserve all public members");
Decompiler.err.println("\t[-class <name>] "+
"Preserve only the given class (allowed multiple times");
Decompiler.err.println("\t[-method <name>] "+
"Preserve only the given metod (allowed multiple times");
Decompiler.err.println("Obfuscating options: ");
Decompiler.err.println("\t[-strong] "+
"Rename identifiers to random number/letters");
Decompiler.err.println("\t[-weak] "+
Obfuscator.err.println("\t[-preserve <name>] "+
"Preserve only the given name (allowed multiple times)");
Obfuscator.err.println("Obfuscating options: ");
Obfuscator.err.println("\t[-strong] "+
"Rename identifiers to random unicode identifier");
Obfuscator.err.println("\t[-weak] "+
"Rename to random, but legal java identifier");
Decompiler.err.println("\t[-unique] "+
Obfuscator.err.println("\t[-unique] "+
"Rename to unique legal java identifier");
Decompiler.err.println("\t[-none] "+
Obfuscator.err.println("\t[-none] "+
"Don't rename any method.");
Decompiler.err.println("\t[-table <file>] "+
Obfuscator.err.println("\t[-table <file>] "+
"Read translation table from file");
Decompiler.err.println("\t[-revtable <file>] "+
Obfuscator.err.println("\t[-revtable <file>] "+
"Write reversed translation table to file");
}
@ -82,11 +81,10 @@ public class Obfuscator {
String sourcePath = System.getProperty("java.class.path");
String destPath = ".";
Vector classnames = new Vector();
Vector methodnames = new Vector();
Vector preservedIdents = new Vector();
boolean strip = true;
int preserve = PRESERVE_NONE;
int preserveRule = PRESERVE_NONE;
int rename = RENAME_WEAK;
String table = null;
String toTable = null;
@ -108,18 +106,14 @@ public class Obfuscator {
/* Preserve options */
else if (params[i].equals("-package"))
preserve = PRESERVE_PACKAGE;
preserveRule = PRESERVE_PACKAGE;
else if (params[i].equals("-protected"))
preserve = PRESERVE_PROTECTED;
preserveRule = PRESERVE_PROTECTED;
else if (params[i].equals("-public"))
preserve = PRESERVE_PUBLIC;
else if (params[i].equals("-class")) {
String className = params[++i];
classnames.addElement(className);
}
else if (params[i].equals("-method")) {
String methodName = params[++i];
methodnames.addElement(methodName);
preserveRule = PRESERVE_PUBLIC;
else if (params[i].equals("-preserve")) {
String ident = params[++i];
preservedIdents.addElement(ident);
}
/* Obfuscate options */
@ -143,13 +137,13 @@ public class Obfuscator {
break;
} else {
if (!params[i].startsWith("-h"))
Decompiler.err.println("Unknown option: "+params[i]);
Obfuscator.err.println("Unknown option: "+params[i]);
usage();
return;
}
}
if (i == params.length) {
Decompiler.err.println("No package or classes specified.");
Obfuscator.err.println("No package or classes specified.");
usage();
return;
}
@ -158,7 +152,7 @@ public class Obfuscator {
ClassBundle bundle = new ClassBundle();
for (; i< params.length; i++)
bundle.loadClasses(params[i]);
bundle.markPreserved(preserve, classnames, methodnames);
bundle.setPreserved(preserveRule, preservedIdents);
if (strip)
bundle.strip();
@ -168,7 +162,7 @@ public class Obfuscator {
else
bundle.readTable(table);
if (toTable != null)
bundle.writeTable(table);
bundle.writeTable(toTable);
bundle.storeClasses(destPath);
}

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