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

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