src/gui/Mainwindow.cxx

   1 #include "Mainwindow.hxx"
   2 #include "qt.hxx"
   3 #include "bindings/Guile.hxx"
   4 #include "disassembler/llvm/LLVMDisassembler.hxx"
   5 #include "core/Function.hxx"
   6 #include "core/BasicBlock.hxx"
   7 #include "core/InformationManager.hxx"
   8 #include "core/events/RenameFunctionEvent.hxx"
   9
  10 #include "widgets/FridaDock.hxx"
  11 #include "widgets/LogDock.hxx"
  12 #include "widgets/ScriptingDock.hxx"
  13 #include "widgets/CFGScene.hxx"
  14 #include "widgets/FunctionWidget.hxx"
  15 #include "dialogs/NewFunctionDialog.hxx"
  16 #include "dialogs/SimpleStringDialog.hxx"
  17
  18 #include <sstream>
  19
  20 Mainwindow::Mainwindow(InformationManager* mgr)
  21         : manager(mgr)
  22         , logger(log4cxx::Logger::getLogger("gui.Mainwindow")) {
  23         openAction = new QAction(tr("&Open"), this);
  24         loadAction = new QAction(tr("&Load"), this);
  25         saveAction = new QAction(tr("&Save"), this);
  26         exitAction = new QAction(tr("E&xit"), this);
  27
  28         connect(openAction, &QAction::triggered,
  29                 this, &Mainwindow::open);
  30         connect(loadAction, &QAction::triggered,
  31                 this, &Mainwindow::load);
  32         connect(saveAction, &QAction::triggered,
  33                 this, &Mainwindow::save);
  34         connect(exitAction, &QAction::triggered,
  35                 qApp, &QApplication::quit);
  36
  37         fileMenu = menuBar()->addMenu(tr("&File"));
  38         fileMenu->addAction(openAction);
  39         fileMenu->addAction(loadAction);
  40         fileMenu->addAction(saveAction);
  41         fileMenu->addSeparator();
  42         fileMenu->addAction(exitAction);
  43
  44         QMenu* interpretermenu = menuBar()->addMenu(tr("&Interpreter"));
  45
  46         QPluginLoader* loader = new QPluginLoader("libguilePlugin", this);
  47         if (!loader->load())
  48                 LOG4CXX_ERROR(logger, "Loading plugin failed: " << loader->errorString().toStdString());
  49         interpreter["GUILE"] = qobject_cast<Interpreter*>(loader->instance());
  50         fdock = new FridaDock(tr("Frida Dock"), this);
  51
  52         fdock->addTab(new LogDock(fdock), "Log");
  53
  54         fdock->addTab(new ScriptingDock(interpreter["GUILE"], fdock), "guile");
  55         fdock->setAllowedAreas(Qt::BottomDockWidgetArea);
  56         addDockWidget(Qt::BottomDockWidgetArea, fdock);
  57         QAction* guileLoad = new QAction(tr("&GUILE"), this);
  58         interpretermenu->addAction(guileLoad);
  59         connect(guileLoad, &QAction::triggered,
  60                 [&]() {
  61                         QString fileName = QFileDialog::getOpenFileName(this, tr("Open Script"), "",
  62                                                                         tr("Binaries") + " (*." +
  63                                                                         interpreter["GUILE"]->fileExtension().c_str() + ")");
  64                         std::stringstream a, b;
  65                         std::string c;
  66                         interpreter["GUILE"]->loadFile(fileName.toStdString(), a, b, c);
  67                 });
  68
  69         listWidget = new QTreeWidget();
  70         listWidget->setColumnCount(1);
  71         listWidget->setDragDropMode(QAbstractItemView::InternalMove);
  72         listWidget->setContextMenuPolicy(Qt::CustomContextMenu);
  73         connect(listWidget, SIGNAL(customContextMenuRequested(const QPoint&)),
  74                 this, SLOT(showListContextMenu(const QPoint&)));
  75
  76         stackedWidget = new QStackedWidget();
  77         dockWidget = new QDockWidget(tr("Functions"), this);
  78         dockWidget->setAllowedAreas(Qt::LeftDockWidgetArea |
  79                                     Qt::RightDockWidgetArea);
  80         dockWidget->setWidget(listWidget);
  81         addDockWidget(Qt::LeftDockWidgetArea, dockWidget);
  82         setCentralWidget(stackedWidget);
  83
  84         connect(listWidget, &QTreeWidget::currentItemChanged,
  85                 [=] (QTreeWidgetItem* current, QTreeWidgetItem*) {
  86                         switchMainPlane(current);
  87                 });
  88
  89         setWindowTitle(tr("FRIDA"));
  90
  91         QTreeWidgetItem * external = new QTreeWidgetItem(listWidget, QStringList("External Functions"));
  92         external->setChildIndicatorPolicy(QTreeWidgetItem::ShowIndicator);
  93         external->setBackground(0, QBrush(QColor(0xff, 0xdd, 0xdd)));
  94         mgr->connect_new_function_signal([&] (Function* fun) {addFunction(fun);});
  95         mgr->connect_new_dyn_symbol_signal([=] (const std::string& name) {
  96                         auto item = new QTreeWidgetItem(external, QStringList(name.c_str()));
  97                         item->setBackground(0, QBrush(QColor(0xff, 0xdd, 0xdd)));
  98                 });
  99         mgr->connect_rename_function_signal([&](RenameFunctionEvent* event) {
 100                         if (objects_list_by_address.find(event->address) == objects_list_by_address.end())
 101                                 return;
 102                         auto item = objects_list_by_address[event->address];
 103                         if (item) item->setText(0, event->new_name.c_str());
 104                 });
 105         setGlobalHotkeys();
 106 }
 107
 108 void Mainwindow::setGlobalHotkeys() {
 109         QShortcut *shortcut = new QShortcut(QKeySequence("f"), this);
 110         connect(shortcut, &QShortcut::activated, this, &Mainwindow::requestNewFunction);
 111
 112         shortcut = new QShortcut(QKeySequence("r"), listWidget);
 113         connect(shortcut, &QShortcut::activated, [=]() {
 114                         QTreeWidgetItem * item = listWidget->currentItem();
 115                         if (item) renameFunction(objects_list[item]->getFunction());
 116                 });
 117 }
 118
 119 void Mainwindow::quit()
 120 {
 121         QMessageBox messageBox;
 122         messageBox.setWindowTitle(tr("Frida"));
 123         messageBox.setText(tr("Do you really want to quit?"));
 124         messageBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
 125         messageBox.setDefaultButton(QMessageBox::No);
 126         if (messageBox.exec() == QMessageBox::Yes)
 127                 qApp->quit();
 128 }
 129
 130 void Mainwindow::open() {
 131         QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"), "",
 132                                                         tr("Binaries (*)"));
 133         manager->reset(fileName.toStdString());
 134 }
 135
 136 void Mainwindow::load() {
 137         QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"), "",
 138                                                         tr("Frida Archives (*.frida)"));
 139         manager->load(fileName.toStdString());
 140 }
 141
 142 void Mainwindow::save() {
 143         QString filename = QFileDialog::getSaveFileName(this, tr("Save File"), "", tr("Frida Archives (*.frida)"));
 144         manager->save(filename.toStdString());
 145 }
 146
 147 void Mainwindow::switchMainPlaneToAddress(uint64_t address) {
 148         if (objects_list_by_address.find(address) != objects_list_by_address.end()) {
 149                 LOG4CXX_DEBUG(logger, "Switching to function " << std::hex << address);
 150                 QTreeWidgetItem * item = objects_list_by_address[address];
 151                 listWidget->setCurrentItem(item);
 152                 stackedWidget->setCurrentWidget(objects_list[item]);
 153         } else {
 154                 LOG4CXX_DEBUG(logger, "No function at " << std::hex << address
 155                               << " -- it's probably an imported Symbol");
 156         }
 157 }
 158
 159 void Mainwindow::switchMainPlane(QTreeWidgetItem* to) {
 160         if (objects_list.end() != objects_list.find(to))
 161                 stackedWidget->setCurrentWidget(objects_list[to]);
 162 }
 163
 164 void Mainwindow::showListContextMenu(const QPoint& point) {
 165         QAction * act;
 166         QTreeWidgetItem * item = listWidget->itemAt(point);
 167         QMenu menu(this);
 168
 169         act = menu.addAction("Add Function");
 170         connect(act, &QAction::triggered, this, &Mainwindow::requestNewFunction);
 171
 172         act = menu.addAction("Add Group");
 173         connect(act, &QAction::triggered, this, &Mainwindow::requestNewGroup);
 174
 175         if (item) {
 176                 if (objects_list.find(item) != objects_list.end()) {
 177                         act = menu.addAction("Rename Function");
 178                         connect(act, &QAction::triggered, [=]() {this->renameFunction(objects_list[item]->getFunction());});
 179                 } else {
 180                         act = menu.addAction("Rename Group");
 181                         connect(act, &QAction::triggered, [=]() {renameGroup(item);});
 182                 }
 183
 184
 185                 QMenu* submenu = menu.addMenu("Move to group");
 186
 187                 for (QTreeWidgetItem* groupitem : group_list) {
 188                         act = submenu->addAction(groupitem->text(0));
 189                         connect(act, &QAction::triggered,
 190                                 [=] () {
 191                                         listWidget->invisibleRootItem()->removeChild(item);
 192                                         groupitem->addChild(item);
 193                                 });
 194                 }
 195         }
 196
 197         menu.exec(listWidget->mapToGlobal(point));
 198 }
 199
 200 void Mainwindow::requestNewFunction() {
 201         NewFunctionDialog dialog;
 202         int result = dialog.exec();
 203         if (QDialog::Accepted == result) {
 204                 requestNewFunctionByAddress(dialog.result());
 205         } else {
 206                 LOG4CXX_DEBUG(logger, "requestNewFunction aborted");
 207         }
 208 }
 209
 210 void Mainwindow::requestNewGroup() {
 211         SimpleStringDialog dialog("New Group");
 212         int result = dialog.exec();
 213         if (QDialog::Accepted == result) {
 214                 QTreeWidgetItem * external = new QTreeWidgetItem(listWidget, QStringList(dialog.result()));
 215                 external->setChildIndicatorPolicy(QTreeWidgetItem::ShowIndicator);
 216                 group_list.push_back(external);
 217         } else {
 218                 LOG4CXX_DEBUG(logger, "requestNewGroup aborted");
 219         }
 220 }
 221
 222 void Mainwindow::requestNewFunctionByAddress(uint64_t address) {
 223         LOG4CXX_DEBUG(logger, "requesting Function at " << std::hex << address);
 224         manager->getDisassembler()->disassembleFunctionAt(address);
 225         switchMainPlaneToAddress(address);
 226 }
 227
 228 void Mainwindow::renameFunction(Function* function) {
 229         SimpleStringDialog dialog("New name");
 230         int result = dialog.exec();
 231         if (QDialog::Accepted == result) {
 232                 LOG4CXX_DEBUG(logger, "renaming Function " << function->getName()
 233                               << " to " << dialog.result().toStdString());
 234                 function->setName(dialog.result().toStdString());
 235         } else {
 236                 LOG4CXX_DEBUG(logger, "renameFunction aborted");
 237         }
 238 }
 239
 240 void Mainwindow::renameGroup(QTreeWidgetItem* item) {
 241         SimpleStringDialog dialog("New name");
 242         int result = dialog.exec();
 243         if (QDialog::Accepted == result) {
 244                 LOG4CXX_DEBUG(logger, "renaming group " << item->text(0).toStdString()
 245                               << " to " << dialog.result().toStdString());
 246                 item->setText(0, dialog.result());
 247         } else {
 248                 LOG4CXX_DEBUG(logger, "renameFunction aborted");
 249         }
 250 }
 251
 252 void Mainwindow::addFunction(Function* fun) {
 253         if (functions.find(fun->getStartAddress()) != functions.end())
 254                 return;
 255
 256         functions.insert(std::make_pair(fun->getStartAddress(), fun));
 257
 258         FunctionWidget * w = new FunctionWidget(fun, this);
 259
 260         QTreeWidgetItem * item = new QTreeWidgetItem(listWidget, QStringList(fun->getName().c_str()));
 261         stackedWidget->addWidget(w);
 262         objects_list.insert(std::make_pair(item, w));
 263         LOG4CXX_DEBUG(logger, "Adding function widget at " << std::hex
 264                       << fun->getStartAddress());
 265         objects_list_by_address.insert(std::make_pair(fun->getStartAddress(), item));
 266 }