ghidra/Ghidra/Features/FunctionID/ghidra_scripts/CreateMultipleLibraries.java

389 lines
12 KiB
Java

/* ###
* IP: GHIDRA
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//Create multiple libraries in a single FID database
// A root is chosen as a folder within the active project
// Subfolders at a specific depth from this root form the roots of individual libraries
// Library Name, Version, and Variant are created from the directory path elements
//@category FunctionID
import java.io.*;
import java.util.*;
import java.util.Map.Entry;
import generic.hash.FNV1a64MessageDigest;
import generic.hash.MessageDigest;
import ghidra.app.script.GhidraScript;
import ghidra.feature.fid.db.*;
import ghidra.feature.fid.hash.FidHashQuad;
import ghidra.feature.fid.service.*;
import ghidra.feature.fid.service.FidPopulateResult.Disposition;
import ghidra.framework.model.*;
import ghidra.program.database.ProgramContentHandler;
import ghidra.program.model.lang.LanguageID;
import ghidra.program.model.listing.*;
import ghidra.program.model.mem.MemoryAccessException;
import ghidra.util.Msg;
import ghidra.util.exception.CancelledException;
import ghidra.util.exception.VersionException;
import ghidra.util.task.TaskMonitor;
public class CreateMultipleLibraries extends GhidraScript {
private FidService service;
private FidDB fidDb = null;
private FidFile fidFile = null;
private DomainFolder rootFolder = null;
private int totalLibraries = 0;
private boolean isCancelled = false;
private String[] pathelement;
private String currentLibraryName;
private String currentLibraryVersion;
private String currentLibraryVariant;
private TreeMap<Long, String> duplicatemap = null;
private FileOutputStream outlog = null;
private File commonSymbolsFile = null;
private List<String> commonSymbols = null;
private LanguageID languageID = null;
private MyFidPopulateResultReporter reporter = null;
private static final int MASTER_DEPTH = 3;
protected void outputLine(String line) {
if (outlog != null) {
try {
outlog.write(line.getBytes());
outlog.write('\n');
outlog.flush();
}
catch (IOException e) {
println("Unable to write to log");
}
}
else {
println(line);
}
}
class MyFidPopulateResultReporter implements FidPopulateResultReporter {
@Override
public void report(FidPopulateResult result) {
if (result == null) {
return;
}
LibraryRecord libraryRecord = result.getLibraryRecord();
String libraryFamilyName = libraryRecord.getLibraryFamilyName();
String libraryVersion = libraryRecord.getLibraryVersion();
String libraryVariant = libraryRecord.getLibraryVariant();
outputLine(libraryFamilyName + ':' + libraryVersion + ':' + libraryVariant);
outputLine(result.getTotalAttempted() + " total functions visited");
outputLine(result.getTotalAdded() + " total functions added");
outputLine(result.getTotalExcluded() + " total functions excluded");
outputLine("Breakdown of exclusions:");
for (Entry<Disposition, Integer> entry : result.getFailures().entrySet()) {
if (entry.getKey() != Disposition.INCLUDED) {
outputLine(" " + entry.getKey() + ": " + entry.getValue());
}
}
outputLine("List of unresolved symbols:");
TreeSet<String> symbols = new TreeSet<>();
for (Location location : result.getUnresolvedSymbols()) {
symbols.add(location.getFunctionName());
}
for (String symbol : symbols) {
outputLine(" " + symbol);
}
}
}
private void hashFunction(Program program, ArrayList<Long> hashList)
throws MemoryAccessException, CancelledException {
FunctionManager functionManager = program.getFunctionManager();
FunctionIterator functions = functionManager.getFunctions(true);
while (functions.hasNext()) {
monitor.checkCanceled();
Function func = functions.next();
FidHashQuad hashFunction = service.hashFunction(func);
if (hashFunction == null) {
continue; // No body
}
MessageDigest digest = new FNV1a64MessageDigest();
digest.update(func.getName().getBytes(), TaskMonitor.DUMMY);
digest.update(hashFunction.getFullHash());
hashList.add(digest.digestLong());
}
}
private void hashListProgram(DomainFile domainFile, ArrayList<Long> hashList)
throws VersionException, CancelledException, IOException, MemoryAccessException {
DomainObject domainObject = null;
try {
domainObject = domainFile.getDomainObject(this, false, true, TaskMonitor.DUMMY);
if (!(domainObject instanceof Program)) {
return;
}
Program program = (Program) domainObject;
hashFunction(program, hashList);
}
finally {
if (domainObject != null) {
domainObject.release(this);
}
}
}
private long calculateFinalHash(ArrayList<Long> hashList) throws CancelledException {
MessageDigest digest = new FNV1a64MessageDigest();
Collections.sort(hashList);
for (int i = 0; i < hashList.size(); ++i) {
monitor.checkCanceled();
digest.update(hashList.get(i));
}
return digest.digestLong();
}
private boolean checkForDuplicate(ArrayList<DomainFile> programs) throws CancelledException {
String fullName =
currentLibraryName + ':' + currentLibraryVersion + ':' + currentLibraryVariant;
ArrayList<Long> hashList = new ArrayList<>();
for (int i = 0; i < programs.size(); ++i) {
monitor.checkCanceled();
try {
hashListProgram(programs.get(i), hashList);
}
catch (VersionException ex) {
outputLine("Version exception for " + fullName);
}
catch (IOException ex) {
outputLine("IO exception for " + fullName);
}
catch (MemoryAccessException ex) {
outputLine("Memory access exception for " + fullName);
}
}
long val = calculateFinalHash(hashList);
String string = duplicatemap.get(val);
boolean res;
if (string != null) {
outputLine(fullName + " duplicates " + string);
res = true;
}
else {
duplicatemap.put(val, fullName);
res = false;
}
return res;
}
private boolean detectDups(DomainFolder folder) {
boolean isDuplicate = false;
try {
ArrayList<DomainFile> programs = new ArrayList<>();
findPrograms(programs, folder);
isDuplicate = checkForDuplicate(programs);
}
catch (CancelledException e) {
// cancelled by user; don't notify
isCancelled = true;
}
return isDuplicate;
}
private void createLibraryNames() {
// path should look like : compiler, project, version, options
currentLibraryName = pathelement[1];
currentLibraryVersion = pathelement[2];
currentLibraryVariant = pathelement[0] + ':' + pathelement[3];
}
private void parseSymbols() throws IOException, CancelledException {
if (commonSymbolsFile == null) {
commonSymbols = null;
return;
}
BufferedReader reader = new BufferedReader(new FileReader(commonSymbolsFile));
commonSymbols = new LinkedList<>();
String line = reader.readLine();
while (line != null) {
monitor.checkCanceled();
if (line.length() != 0) {
commonSymbols.add(line);
}
line = reader.readLine();
}
reader.close();
}
private void countLibraries(int depth, DomainFolder fold) {
if (depth == 0) {
totalLibraries += 1;
return;
}
depth -= 1;
DomainFolder[] subfold = fold.getFolders();
for (DomainFolder element : subfold) {
countLibraries(depth, element);
}
}
/**
* Recursively finds all domain objects that are program files under a domain folder.
* @param programs the "return" value; found programs are placed in this collection
* @param myFolder the domain folder to search
* @throws CancelledException if the user cancels
*/
protected void findPrograms(ArrayList<DomainFile> programs, DomainFolder myFolder)
throws CancelledException {
if (myFolder == null) {
return;
}
DomainFile[] files = myFolder.getFiles();
for (DomainFile domainFile : files) {
monitor.checkCanceled();
if (domainFile.getContentType().equals(ProgramContentHandler.PROGRAM_CONTENT_TYPE)) {
programs.add(domainFile);
}
}
DomainFolder[] folders = myFolder.getFolders();
for (DomainFolder domainFolder : folders) {
monitor.checkCanceled();
findPrograms(programs, domainFolder);
}
}
private void populateLibrary(DomainFolder folder) {
ArrayList<DomainFile> programs = new ArrayList<>();
try {
findPrograms(programs, folder);
FidPopulateResult result = service.createNewLibraryFromPrograms(fidDb,
currentLibraryName, currentLibraryVersion, currentLibraryVariant, programs, null,
languageID, null, commonSymbols, TaskMonitor.DUMMY);
reporter.report(result);
}
catch (CancelledException e) {
isCancelled = true;
}
catch (MemoryAccessException e) {
Msg.showError(this, null, "Unexpected memory access exception",
"Please notify the Ghidra team:", e);
}
catch (VersionException e) {
Msg.showError(this, null, "Version Exception",
"One of the programs in your domain folder cannot be upgraded: " + e.getMessage());
}
catch (IllegalStateException e) {
Msg.showError(this, null, "Illegal State Exception",
"Unknown error: " + e.getMessage());
}
catch (IOException e) {
Msg.showError(this, null, "FidDb IOException", "Please notify the Ghidra team:", e);
}
}
private void generate(int depth, DomainFolder fold) {
if (depth != 0) {
pathelement[MASTER_DEPTH - depth] = fold.getName();
depth -= 1;
DomainFolder[] subfold = fold.getFolders();
for (DomainFolder element : subfold) {
generate(depth, element);
if (isCancelled) {
return;
}
}
return;
}
pathelement[MASTER_DEPTH] = fold.getName();
// Reaching here, we are at library depth in the folder hierarchy
createLibraryNames();
monitor.setMessage(
currentLibraryName + ':' + currentLibraryVersion + ':' + currentLibraryVariant);
boolean isDuplicate = false;
if (duplicatemap != null) {
isDuplicate = detectDups(fold);
}
if (!isDuplicate) {
populateLibrary(fold);
}
monitor.incrementProgress(1);
}
@Override
protected void run() throws Exception {
pathelement = new String[MASTER_DEPTH + 1];
service = new FidService();
File askFile = null;
try {
askFile = askFile("Duplicate Results File", "OK");
outlog = new FileOutputStream(askFile);
}
catch (CancelledException ex) {
// ignore, means we use console
}
if (askYesNo("Do Duplication Detection", "Do you want to detect duplicates")) {
duplicatemap = new TreeMap<>();
}
List<FidFile> nonInstallationFidFiles = FidFileManager.getInstance().getUserAddedFiles();
if (nonInstallationFidFiles.isEmpty()) {
throw new FileNotFoundException("Could not find any fidb files that can be populated");
}
fidFile = askChoice("Choose destination FidDB",
"Please choose the destination FidDB for population", nonInstallationFidFiles,
nonInstallationFidFiles.get(0));
rootFolder =
askProjectFolder("Select root folder containing all libraries (at a depth of " +
Integer.toString(MASTER_DEPTH) + "):");
try {
commonSymbolsFile = askFile("Common symbols file (optional):", "OK");
}
catch (CancelledException e) {
commonSymbolsFile = null; // Common symbols file may be null
}
String lang = askString("Enter LanguageID To Process", "Language ID: ");
languageID = new LanguageID(lang);
parseSymbols();
reporter = new MyFidPopulateResultReporter();
fidDb = fidFile.getFidDB(true);
countLibraries(MASTER_DEPTH, rootFolder);
monitor.initialize(totalLibraries);
try {
generate(MASTER_DEPTH, rootFolder);
fidDb.saveDatabase("Saving", monitor);
}
finally {
fidDb.close();
}
if (outlog != null) {
outlog.close();
}
}
}