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         QTreeWidgetItem * 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::newFunctionEvent,
  94                 [=] (NewFunctionEvent* event) {
  95                         std::string name = event->function->getName();
  96                         if (event->function->isDynamic()) {
  97                                 auto item = new QTreeWidgetItem(external, QStringList(name.c_str()));
  98                                 item->setBackground(0, QBrush(QColor(0xff, 0xdd, 0xdd)));
  99                         } else {
 100                                 addFunction(event->function);
 101                         }
 102                 });
 103         connect(mgr, &InformationManager::renameFunctionEvent,
 104                 [&](RenameFunctionEvent* event) {
 105                         if (objects_list_by_address.find(event->address) == objects_list_by_address.end())
 106                                 return;
 107                         auto item = objects_list_by_address[event->address];
 108                         if (item) item->setText(0, event->new_name.c_str());
 109                 });
 110         setGlobalHotkeys();
 111 }
 112
 113 void Mainwindow::setGlobalHotkeys() {
 114         QShortcut *shortcut = new QShortcut(QKeySequence("f"), this);
 115         connect(shortcut, &QShortcut::activated, this, &Mainwindow::requestNewFunction);
 116
 117         shortcut = new QShortcut(QKeySequence("r"), listWidget);
 118         connect(shortcut, &QShortcut::activated, [=]() {
 119                         QTreeWidgetItem * item = listWidget->currentItem();
 120                         if (item) renameFunction(objects_list[item]->getFunction());
 121                 });
 122 }
 123
 124 void Mainwindow::quit()
 125 {
 126         QMessageBox messageBox;
 127         messageBox.setWindowTitle(tr("Frida"));
 128         messageBox.setText(tr("Do you really want to quit?"));
 129         messageBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
 130         messageBox.setDefaultButton(QMessageBox::No);
 131         if (messageBox.exec() == QMessageBox::Yes)
 132                 qApp->quit();
 133 }
 134
 135 void Mainwindow::open() {
 136         QFileDialog dialog(this, tr("Open bianry"), "", tr("Binaries (*)"));
 137
 138         if (dialog.exec()) {
 139                 QStringList files = dialog.selectedFiles();
 140                 if(1 != files.size()) {
 141                         LOG4CXX_ERROR(logger, "Needs exactly one file name")
 142                 } else {
 143                         manager->reset(files[0].toStdString());
 144                 }
 145         }
 146 }
 147
 148 void Mainwindow::load() {
 149         QFileDialog dialog(this, tr("Open saved FrIDa file"), "", tr("Frida Archives (*.frida)"));
 150
 151         if (dialog.exec()) {
 152                 QStringList files = dialog.selectedFiles();
 153                 if(1 != files.size()) {
 154                         LOG4CXX_ERROR(logger, "Needs exactly one file name")
 155                 } else {
 156                         manager->load(files[0].toStdString());
 157                 }
 158         }
 159 }
 160
 161 void Mainwindow::save() {
 162         QString filename = QFileDialog::getSaveFileName(this, tr("Save File"), "", tr("Frida Archives (*.frida)"));
 163         manager->save(filename.toStdString());
 164 }
 165
 166 void Mainwindow::switchMainPlaneToAddress(uint64_t address) {
 167         if (objects_list_by_address.find(address) != objects_list_by_address.end()) {
 168                 LOG4CXX_DEBUG(logger, "Switching to function " << std::hex << address);
 169                 QTreeWidgetItem * item = objects_list_by_address[address];
 170                 listWidget->setCurrentItem(item);
 171                 stackedWidget->setCurrentWidget(objects_list[item]);
 172         } else {
 173                 LOG4CXX_DEBUG(logger, "No function at " << std::hex << address
 174                               << " -- it's probably an imported Symbol");
 175         }
 176 }
 177
 178 void Mainwindow::switchMainPlane(QTreeWidgetItem* to) {
 179         if (objects_list.end() != objects_list.find(to))
 180                 stackedWidget->setCurrentWidget(objects_list[to]);
 181 }
 182
 183 void Mainwindow::showListContextMenu(const QPoint& point) {
 184         QAction * act;
 185         QTreeWidgetItem * item = listWidget->itemAt(point);
 186         QMenu menu(this);
 187
 188         act = menu.addAction("Add Function");
 189         connect(act, &QAction::triggered, this, &Mainwindow::requestNewFunction);
 190
 191         act = menu.addAction("Add Group");
 192         connect(act, &QAction::triggered, this, &Mainwindow::requestNewGroup);
 193
 194         if (item) {
 195                 if (objects_list.find(item) != objects_list.end()) {
 196                         act = menu.addAction("Rename Function");
 197                         connect(act, &QAction::triggered, [=]() {this->renameFunction(objects_list[item]->getFunction());});
 198                 } else {
 199                         act = menu.addAction("Rename Group");
 200                         connect(act, &QAction::triggered, [=]() {renameGroup(item);});
 201                 }
 202
 203
 204                 QMenu* submenu = menu.addMenu("Move to group");
 205
 206                 for (QTreeWidgetItem* groupitem : group_list) {
 207                         act = submenu->addAction(groupitem->text(0));
 208                         connect(act, &QAction::triggered,
 209                                 [=] () {
 210                                         listWidget->invisibleRootItem()->removeChild(item);
 211                                         groupitem->addChild(item);
 212                                 });
 213                 }
 214         }
 215
 216         menu.exec(listWidget->mapToGlobal(point));
 217 }
 218
 219 void Mainwindow::requestNewFunction() {
 220         NewFunctionDialog dialog;
 221         int result = dialog.exec();
 222         if (QDialog::Accepted == result) {
 223                 requestNewFunctionByAddress(dialog.result());
 224         } else {
 225                 LOG4CXX_DEBUG(logger, "requestNewFunction aborted");
 226         }
 227 }
 228
 229 void Mainwindow::requestNewGroup() {
 230         SimpleStringDialog dialog("New Group");
 231         int result = dialog.exec();
 232         if (QDialog::Accepted == result) {
 233                 QTreeWidgetItem * external = new QTreeWidgetItem(listWidget, QStringList(dialog.result()));
 234                 external->setChildIndicatorPolicy(QTreeWidgetItem::ShowIndicator);
 235                 group_list.push_back(external);
 236         } else {
 237                 LOG4CXX_DEBUG(logger, "requestNewGroup aborted");
 238         }
 239 }
 240
 241 void Mainwindow::requestNewFunctionByAddress(uint64_t address) {
 242         LOG4CXX_DEBUG(logger, "requesting Function at " << std::hex << address);
 243         manager->getDisassembler()->disassembleFunctionAt(address);
 244         switchMainPlaneToAddress(address);
 245 }
 246
 247 void Mainwindow::renameFunction(Function* function) {
 248         SimpleStringDialog dialog("New name");
 249         int result = dialog.exec();
 250         if (QDialog::Accepted == result) {
 251                 LOG4CXX_DEBUG(logger, "renaming Function " << function->getName()
 252                               << " to " << dialog.result().toStdString());
 253                 function->setName(dialog.result().toStdString());
 254         } else {
 255                 LOG4CXX_DEBUG(logger, "renameFunction aborted");
 256         }
 257 }
 258
 259 void Mainwindow::renameGroup(QTreeWidgetItem* item) {
 260         SimpleStringDialog dialog("New name");
 261         int result = dialog.exec();
 262         if (QDialog::Accepted == result) {
 263                 LOG4CXX_DEBUG(logger, "renaming group " << item->text(0).toStdString()
 264                               << " to " << dialog.result().toStdString());
 265                 item->setText(0, dialog.result());
 266         } else {
 267                 LOG4CXX_DEBUG(logger, "renameFunction aborted");
 268         }
 269 }
 270
 271 void Mainwindow::addFunction(Function* fun) {
 272         if (functions.find(fun->getStartAddress()) != functions.end())
 273                 return;
 274
 275         functions.insert(std::make_pair(fun->getStartAddress(), fun));
 276
 277         FunctionWidget * w = new FunctionWidget(fun, this);
 278
 279         QTreeWidgetItem * item = new QTreeWidgetItem(listWidget, QStringList(fun->getName().c_str()));
 280         stackedWidget->addWidget(w);
 281         objects_list.insert(std::make_pair(item, w));
 282         LOG4CXX_DEBUG(logger, "Adding function widget at " << std::hex
 283                       << fun->getStartAddress());
 284         objects_list_by_address.insert(std::make_pair(fun->getStartAddress(), item));
 285 }