mirror of
https://github.com/NationalSecurityAgency/ghidra.git
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115 lines
3.7 KiB
Java
Executable file
115 lines
3.7 KiB
Java
Executable file
/* ###
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* IP: GHIDRA
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// Use the decompiler to generate signatures for the function currently containing the cursor
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// and dump the signature hashes to the console
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//@category BSim
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import java.io.*;
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import java.util.List;
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import org.xml.sax.SAXException;
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import generic.jar.ResourceFile;
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import generic.lsh.vector.LSHVectorFactory;
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import generic.lsh.vector.WeightedLSHCosineVectorFactory;
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import ghidra.app.decompiler.DecompInterface;
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import ghidra.app.decompiler.DecompileOptions;
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import ghidra.app.decompiler.signature.DebugSignature;
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import ghidra.app.decompiler.signature.SignatureResult;
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import ghidra.app.script.GhidraScript;
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import ghidra.features.bsim.query.GenSignatures;
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import ghidra.program.model.lang.Language;
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import ghidra.program.model.lang.LanguageID;
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import ghidra.program.model.listing.Function;
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import ghidra.util.xml.SpecXmlUtils;
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import ghidra.xml.NonThreadedXmlPullParserImpl;
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import ghidra.xml.XmlPullParser;
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public class DumpSignatures extends GhidraScript {
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private LSHVectorFactory vectorFactory;
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@Override
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public void run() throws Exception {
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Function func = this.getFunctionContaining(this.currentAddress);
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if (func == null) {
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return;
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}
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buildLSHVectorFactory();
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boolean debug = false;
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DecompInterface decompiler = new DecompInterface();
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decompiler.setOptions(new DecompileOptions());
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decompiler.setSignatureSettings(vectorFactory.getSettings());
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decompiler.toggleSyntaxTree(false);
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if (!decompiler.openProgram(this.currentProgram)) {
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println("Unable to initalize the Decompiler interface");
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println(decompiler.getLastMessage());
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return;
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}
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if (!debug) {
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SignatureResult sigres = decompiler.generateSignatures(func, false, 10, null);
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StringBuffer buf = new StringBuffer("\n");
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for (int feature : sigres.features) {
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buf.append(Integer.toHexString(feature));
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buf.append("\n");
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}
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println(buf.toString());
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}
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else {
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Language language = this.currentProgram.getLanguage();
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List<DebugSignature> sigres = decompiler.debugSignatures(func, 10, null);
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StringBuffer buf = new StringBuffer("\n");
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for (int i = 0; i < sigres.size(); ++i) {
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sigres.get(i).printRaw(language, buf);
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buf.append("\n");
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}
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println(buf.toString());
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}
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decompiler.closeProgram();
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decompiler.dispose();
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}
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private static void readWeights(LSHVectorFactory vectorFactory, ResourceFile weightsFile)
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throws FileNotFoundException, IOException, SAXException {
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InputStream input = weightsFile.getInputStream();
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XmlPullParser parser = new NonThreadedXmlPullParserImpl(input, "Vector weights parser",
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SpecXmlUtils.getXmlHandler(), false);
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vectorFactory.readWeights(parser);
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input.close();
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}
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private void buildLSHVectorFactory() {
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vectorFactory = new WeightedLSHCosineVectorFactory();
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try {
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LanguageID id = currentProgram.getLanguageID();
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ResourceFile defaultWeightsFile = GenSignatures.getWeightsFile(id, id);
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readWeights(vectorFactory, defaultWeightsFile);
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}
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catch (FileNotFoundException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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catch (SAXException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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}
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