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