void printOption(Option option)
{
string defaultAndDesc;
if (option.NeedArgument && option.Default != null)
defaultAndDesc = string.Format("{0} ({1})", option.Description, option.Default);
else
defaultAndDesc = option.Description;
printOptionAndExplanation(getOptionAndArgName(option, option.ShortName ?? option.LongName), defaultAndDesc);
if (option.ShortName != null && option.LongName != null)
printOptionAndExplanation(option.LongName, string.Format("Same as {0}", option.ShortName));
}
void addOption(Option option, string name)
{
if (name == null)
return;
if (optionsDict.ContainsKey(name))
throw new ApplicationException(string.Format("Option {0} is present twice!", name));
optionsDict[name] = option;
}
string getOptionAndArgName(Option option, string optionName)
{
if (option.NeedArgument)
return optionName + " " + option.ArgumentValueName.ToUpperInvariant();
else
return optionName;
}
void addAllOptions()
{
miscOptions.Add(new OneArgOption("r", null, "Scan for .NET files in all subdirs", "dir", (val) => {
addSearchDir();
searchDir = new FilesDeobfuscator.SearchDir();
if (!new DirectoryInfo(val).Exists)
exitError(string.Format("Directory {0} does not exist", val));
searchDir.InputDirectory = val;
}));
miscOptions.Add(new OneArgOption("ro", null, "Output base dir for recursively found files", "dir", (val) => {
if (searchDir == null)
exitError("Missing -r option");
searchDir.OutputDirectory = val;
}));
miscOptions.Add(new NoArgOption("ru", null, "Skip recursively found files with unsupported obfuscator", () => {
if (searchDir == null)
exitError("Missing -r option");
searchDir.SkipUnknownObfuscators = true;
}));
miscOptions.Add(new NoArgOption("d", null, "Detect obfuscators and exit", () => {
filesOptions.DetectObfuscators = true;
}));
miscOptions.Add(new OneArgOption(null, "asmpath", "Add an assembly search path", "path", (val) => {
AssemblyResolver.Instance.addSearchDirectory(val);
}));
miscOptions.Add(new NoArgOption(null, "dont-rename", "Don't rename classes, methods, etc.", () => {
filesOptions.RenameSymbols = false;
}));
miscOptions.Add(new OneArgOption(null, "default-strtyp", "Default string decrypter type", "type", (val) => {
object decrypterType;
if (!stringDecrypterTypes.getValue(val, out decrypterType))
exitError(string.Format("Invalid string decrypter type '{0}'", val));
defaultStringDecrypterType = (DecrypterType)decrypterType;
}));
miscOptions.Add(new OneArgOption(null, "default-strtok", "Default string decrypter method token or [type::][name][(args,...)]", "method", (val) => {
defaultStringDecrypterMethods.Add(val);
}));
miscOptions.Add(new NoArgOption(null, "no-control-flow-deob", "No control flow deobfuscation (NOT recommended)", () => {
filesOptions.ControlFlowDeobfuscation = false;
}));
miscOptions.Add(new NoArgOption(null, "load-new-process", "Load executed assemblies into a new process", () => {
filesOptions.AssemblyClientFactory = new NewProcessAssemblyClientFactory();
}));
miscOptions.Add(new NoArgOption(null, "keep-types", "Keep obfuscator types, fields, methods", () => {
filesOptions.KeepObfuscatorTypes = true;
}));
miscOptions.Add(new NoArgOption(null, "one-file", "Deobfuscate one file at a time", () => {
filesOptions.OneFileAtATime = true;
}));
miscOptions.Add(new NoArgOption("v", null, "Verbose", () => {
Log.logLevel = Log.LogLevel.verbose;
}));
miscOptions.Add(new NoArgOption("vv", null, "Very verbose", () => {
Log.logLevel = Log.LogLevel.veryverbose;
}));
miscOptions.Add(new NoArgOption("h", "help", "Show this help message", () => {
usage();
exit(0);
}));
defaultOption = new OneArgOption("f", null, "Name of .NET file", "file", (val) => {
addFile();
if (!new FileInfo(val).Exists)
exitError(string.Format("File \"{0}\" does not exist.", val));
newFileOptions = new ObfuscatedFile.Options {
Filename = val,
RenameSymbols = filesOptions.RenameSymbols,
ControlFlowDeobfuscation = filesOptions.ControlFlowDeobfuscation,
KeepObfuscatorTypes = filesOptions.KeepObfuscatorTypes,
};
if (defaultStringDecrypterType != null)
newFileOptions.StringDecrypterType = defaultStringDecrypterType.Value;
newFileOptions.StringDecrypterMethods.AddRange(defaultStringDecrypterMethods);
});
fileOptions.Add(defaultOption);
fileOptions.Add(new OneArgOption("m", null, "Name of .methods file", "file", (val) => {
if (newFileOptions == null)
exitError("Missing input file");
if (!new FileInfo(val).Exists)
exitError(string.Format("File \"{0}\" does not exist.", val));
newFileOptions.MethodsFilename = val;
}));
fileOptions.Add(new OneArgOption("o", null, "Name of output file", "file", (val) => {
if (newFileOptions == null)
exitError("Missing input file");
if (string.Equals(Utils.getFullPath(newFileOptions.Filename), Utils.getFullPath(val), StringComparison.OrdinalIgnoreCase))
exitError(string.Format("Output file can't be same as input file ({0})", val));
newFileOptions.NewFilename = val;
}));
fileOptions.Add(new OneArgOption("p", null, "Obfuscator type (see below)", "type", (val) => {
if (newFileOptions == null)
exitError("Missing input file");
if (!isValidObfuscatorType(val))
exitError(string.Format("Invalid obfuscator type '{0}'", val));
newFileOptions.ForcedObfuscatorType = val;
}));
fileOptions.Add(new OneArgOption(null, "strtyp", "String decrypter type", "type", (val) => {
if (newFileOptions == null)
exitError("Missing input file");
object decrypterType;
if (!stringDecrypterTypes.getValue(val, out decrypterType))
exitError(string.Format("Invalid string decrypter type '{0}'", val));
newFileOptions.StringDecrypterType = (DecrypterType)decrypterType;
}));
fileOptions.Add(new OneArgOption(null, "strtok", "String decrypter method token or [type::][name][(args,...)]", "method", (val) => {
if (newFileOptions == null)
exitError("Missing input file");
newFileOptions.StringDecrypterMethods.Add(val);
}));
addOptions(miscOptions);
addOptions(fileOptions);
foreach (var info in deobfuscatorInfos)
addOptions(info.getOptions());
}