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 "core/events/NewFunctionEvent.hxx"
  10
  11 #include "widgets/FridaDock.hxx"
  12 #include "widgets/LogDock.hxx"
  13 #include "widgets/ScriptingDock.hxx"
  14 #include "widgets/CFGScene.hxx"
  15 #include "widgets/FunctionWidget.hxx"
  16 #include "dialogs/NewFunctionDialog.hxx"
  17 #include "dialogs/SimpleStringDialog.hxx"
  18
  19 #include <sstream>
  20
  21 Mainwindow::Mainwindow(InformationManager* mgr)
  22         : manager(mgr)
  23         , logger(log4cxx::Logger::getLogger("gui.Mainwindow")) {
  24         openAction = new QAction(tr("&Open"), this);
  25         loadAction = new QAction(tr("&Load"), this);
  26         saveAction = new QAction(tr("&Save"), this);
  27         exitAction = new QAction(tr("E&xit"), this);
  28
  29         connect(openAction, &QAction::triggered,
  30                 this, &Mainwindow::open);
  31         connect(loadAction, &QAction::triggered,
  32                 this, &Mainwindow::load);
  33         connect(saveAction, &QAction::triggered,
  34                 this, &Mainwindow::save);
  35         connect(exitAction, &QAction::triggered,
  36                 qApp, &QApplication::quit);
  37
  38         fileMenu = menuBar()->addMenu(tr("&File"));
  39         fileMenu->addAction(openAction);
  40         fileMenu->addAction(loadAction);
  41         fileMenu->addAction(saveAction);
  42         fileMenu->addSeparator();
  43         fileMenu->addAction(exitAction);
  44
  45         QMenu* interpretermenu = menuBar()->addMenu(tr("&Interpreter"));
  46
  47         fdock = new FridaDock(tr("Frida Dock"), this);
  48
  49         fdock->addTab(new LogDock(fdock), "Log");
  50
  51         fdock->addTab(new ScriptingDock(manager->getInterpreter("GUILE"), fdock), "guile");
  52         fdock->setAllowedAreas(Qt::BottomDockWidgetArea);
  53         addDockWidget(Qt::BottomDockWidgetArea, fdock);
  54         QAction* guileLoad = new QAction(tr("&GUILE"), this);
  55         interpretermenu->addAction(guileLoad);
  56         connect(guileLoad, &QAction::triggered,
  57                 [&]() {
  58                         QString fileName = QFileDialog::getOpenFileName(this, tr("Open Script"), "",
  59                                                                         tr("Scripts") + " (*." +
  60                                                                         manager->getInterpreter("GUILE")->fileExtension().c_str() + ")");
  61                         if(! fileName.isNull()) {
  62                                 std::stringstream a, b;
  63                                 std::string c;
  64                                 manager->getInterpreter("GUILE")->loadFile(fileName.toStdString(), a, b, c);
  65                         }
  66                 });
  67
  68         listWidget = new QTreeWidget();
  69         listWidget->setColumnCount(1);
  70         listWidget->setDragDropMode(QAbstractItemView::InternalMove);
  71         listWidget->setContextMenuPolicy(Qt::CustomContextMenu);
  72         connect(listWidget, SIGNAL(customContextMenuRequested(const QPoint&)),
  73                 this, SLOT(showListContextMenu(const QPoint&)));
  74
  75         stackedWidget = new QStackedWidget();
  76         dockWidget = new QDockWidget(tr("Functions"), this);
  77         dockWidget->setAllowedAreas(Qt::LeftDockWidgetArea |
  78                                     Qt::RightDockWidgetArea);
  79         dockWidget->setWidget(listWidget);
  80         addDockWidget(Qt::LeftDockWidgetArea, dockWidget);
  81         setCentralWidget(stackedWidget);
  82
  83         connect(listWidget, &QTreeWidget::currentItemChanged,
  84                 [=] (QTreeWidgetItem* current, QTreeWidgetItem*) {
  85                         switchMainPlane(current);
  86                 });
  87
  88         setWindowTitle(tr("FRIDA"));
  89
  90         external = new QTreeWidgetItem(listWidget, QStringList("External Functions"));
  91         external->setChildIndicatorPolicy(QTreeWidgetItem::ShowIndicator);
  92         external->setBackground(0, QBrush(QColor(0xff, 0xdd, 0xdd)));
  93         connect(mgr, &InformationManager::resetEvent,
  94                 [this,mgr]() {
  95                         connect(this, SIGNAL(requestNewFunctionByAddress(uint64_t)),
  96                                 mgr->getDisassembler(), SLOT(disassembleFunctionAt(uint64_t)));
  97                 });
  98         connect(mgr, &InformationManager::newFunctionEvent,
  99                 this, &Mainwindow::handleNewFunctionEvent);
 100         connect(mgr, &InformationManager::renameFunctionEvent,
 101                 [&](RenameFunctionEvent* event) {
 102                         if (objects_list_by_address.find(event->address) == objects_list_by_address.end())
 103                                 return;
 104                         auto item = objects_list_by_address[event->address];
 105                         if (item) item->setText(0, event->new_name.c_str());
 106                 });
 107         setGlobalHotkeys();
 108 }
 109
 110 void Mainwindow::setGlobalHotkeys() {
 111         QShortcut *shortcut = new QShortcut(QKeySequence("f"), this);
 112         connect(shortcut, &QShortcut::activated, this, &Mainwindow::requestNewFunction);
 113
 114         shortcut = new QShortcut(QKeySequence("r"), listWidget);
 115         connect(shortcut, &QShortcut::activated, [=]() {
 116                         QTreeWidgetItem * item = listWidget->currentItem();
 117                         if (item) renameFunction(objects_list[item]->getFunction());
 118                 });
 119 }
 120
 121 void Mainwindow::handleNewFunctionEvent(NewFunctionEvent event) {
 122         std::string name = event.function->getName();
 123         if (event.function->isDynamic()) {
 124                 auto item = new QTreeWidgetItem(external, QStringList(name.c_str()));
 125                 item->setBackground(0, QBrush(QColor(0xff, 0xdd, 0xdd)));
 126         } else {
 127                 addFunction(event.function);
 128         }
 129 }
 130
 131 void Mainwindow::quit()
 132 {
 133         QMessageBox messageBox;
 134         messageBox.setWindowTitle(tr("Frida"));
 135         messageBox.setText(tr("Do you really want to quit?"));
 136         messageBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
 137         messageBox.setDefaultButton(QMessageBox::No);
 138         if (messageBox.exec() == QMessageBox::Yes)
 139                 qApp->quit();
 140 }
 141
 142 void Mainwindow::open() {
 143         QFileDialog dialog(this, tr("Open bianry"), "", tr("Binaries (*)"));
 144
 145         if (dialog.exec()) {
 146                 QStringList files = dialog.selectedFiles();
 147                 if(1 != files.size()) {
 148                         LOG4CXX_ERROR(logger, "Needs exactly one file name")
 149                 } else {
 150                         manager->reset(files[0].toStdString());
 151                 }
 152         }
 153 }
 154
 155 void Mainwindow::load() {
 156         QFileDialog dialog(this, tr("Open saved FrIDa file"), "", tr("Frida Archives (*.frida)"));
 157
 158         if (dialog.exec()) {
 159                 QStringList files = dialog.selectedFiles();
 160                 if(1 != files.size()) {
 161                         LOG4CXX_ERROR(logger, "Needs exactly one file name")
 162                 } else {
 163                         manager->load(files[0].toStdString());
 164                 }
 165         }
 166 }
 167
 168 void Mainwindow::save() {
 169         QString filename = QFileDialog::getSaveFileName(this, tr("Save File"), "", tr("Frida Archives (*.frida)"));
 170         manager->save(filename.toStdString());
 171 }
 172
 173 void Mainwindow::switchMainPlaneToAddress(uint64_t address) {
 174         if (objects_list_by_address.find(address) != objects_list_by_address.end()) {
 175                 LOG4CXX_DEBUG(logger, "Switching to function " << std::hex << address);
 176                 QTreeWidgetItem * item = objects_list_by_address[address];
 177                 listWidget->setCurrentItem(item);
 178                 stackedWidget->setCurrentWidget(objects_list[item]);
 179         } else {
 180                 LOG4CXX_DEBUG(logger, "No function at " << std::hex << address
 181                               << " -- it's probably an imported Symbol");
 182         }
 183 }
 184
 185 void Mainwindow::switchMainPlane(QTreeWidgetItem* to) {
 186         if (objects_list.end() != objects_list.find(to))
 187                 stackedWidget->setCurrentWidget(objects_list[to]);
 188 }
 189
 190 void Mainwindow::showListContextMenu(const QPoint& point) {
 191         QAction * act;
 192         QTreeWidgetItem * item = listWidget->itemAt(point);
 193         QMenu menu(this);
 194
 195         act = menu.addAction("Add Function");
 196         connect(act, &QAction::triggered, this, &Mainwindow::requestNewFunction);
 197
 198         act = menu.addAction("Add Group");
 199         connect(act, &QAction::triggered, this, &Mainwindow::requestNewGroup);
 200
 201         if (item) {
 202                 if (objects_list.find(item) != objects_list.end()) {
 203                         act = menu.addAction("Rename Function");
 204                         connect(act, &QAction::triggered, [=]() {this->renameFunction(objects_list[item]->getFunction());});
 205                 } else {
 206                         act = menu.addAction("Rename Group");
 207                         connect(act, &QAction::triggered, [=]() {renameGroup(item);});
 208                 }
 209
 210
 211                 QMenu* submenu = menu.addMenu("Move to group");
 212
 213                 for (QTreeWidgetItem* groupitem : group_list) {
 214                         act = submenu->addAction(groupitem->text(0));
 215                         connect(act, &QAction::triggered,
 216                                 [=] () {
 217                                         listWidget->invisibleRootItem()->removeChild(item);
 218                                         groupitem->addChild(item);
 219                                 });
 220                 }
 221         }
 222
 223         menu.exec(listWidget->mapToGlobal(point));
 224 }
 225
 226 void Mainwindow::requestNewFunction() {
 227         NewFunctionDialog dialog;
 228         int result = dialog.exec();
 229         if (QDialog::Accepted == result) {
 230                 emit requestNewFunctionByAddress(dialog.result());
 231         } else {
 232                 LOG4CXX_DEBUG(logger, "requestNewFunction aborted");
 233         }
 234 }
 235
 236 void Mainwindow::requestNewGroup() {
 237         SimpleStringDialog dialog("New Group");
 238         int result = dialog.exec();
 239         if (QDialog::Accepted == result) {
 240                 QTreeWidgetItem * external = new QTreeWidgetItem(listWidget, QStringList(dialog.result()));
 241                 external->setChildIndicatorPolicy(QTreeWidgetItem::ShowIndicator);
 242                 group_list.push_back(external);
 243         } else {
 244                 LOG4CXX_DEBUG(logger, "requestNewGroup aborted");
 245         }
 246 }
 247
 248 void Mainwindow::renameFunction(Function* function) {
 249         SimpleStringDialog dialog("New name");
 250         int result = dialog.exec();
 251         if (QDialog::Accepted == result) {
 252                 LOG4CXX_DEBUG(logger, "renaming Function " << function->getName()
 253                               << " to " << dialog.result().toStdString());
 254                 function->setName(dialog.result().toStdString());
 255         } else {
 256                 LOG4CXX_DEBUG(logger, "renameFunction aborted");
 257         }
 258 }
 259
 260 void Mainwindow::renameGroup(QTreeWidgetItem* item) {
 261         SimpleStringDialog dialog("New name");
 262         int result = dialog.exec();
 263         if (QDialog::Accepted == result) {
 264                 LOG4CXX_DEBUG(logger, "renaming group " << item->text(0).toStdString()
 265                               << " to " << dialog.result().toStdString());
 266                 item->setText(0, dialog.result());
 267         } else {
 268                 LOG4CXX_DEBUG(logger, "renameFunction aborted");
 269         }
 270 }
 271
 272 void Mainwindow::addFunction(Function* fun) {
 273         if (functions.find(fun->getStartAddress()) != functions.end())
 274                 return;
 275
 276         functions.insert(std::make_pair(fun->getStartAddress(), fun));
 277
 278         FunctionWidget * w = new FunctionWidget(fun, this);
 279
 280         QTreeWidgetItem * item = new QTreeWidgetItem(listWidget, QStringList(fun->getName().c_str()));
 281         stackedWidget->addWidget(w);
 282         objects_list.insert(std::make_pair(item, w));
 283         LOG4CXX_DEBUG(logger, "Adding function widget at " << std::hex
 284                       << fun->getStartAddress());
 285         objects_list_by_address.insert(std::make_pair(fun->getStartAddress(), item));
 286 }