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