class EmulatorConfigsDialog(QDialog):
def __init__(self, dwarf, parent=None):
super(EmulatorConfigsDialog, self).__init__(parent)
self.dwarf = dwarf
self._prefs = Prefs()
layout = QVBoxLayout(self)
self.setMinimumWidth(500)
layout.addWidget(QLabel('callbacks path'))
callbacks_layout = QHBoxLayout()
pick_path = QPushButton('choose')
pick_path.clicked.connect(self.pick_callbacks_path)
current_callbacks_path = self._prefs.get(prefs.EMULATOR_CALLBACKS_PATH)
if current_callbacks_path == '':
current_callbacks_path = 'none'
self.callbacks_path_label = QLabel(current_callbacks_path)
callbacks_layout.addWidget(pick_path)
callbacks_layout.addWidget(self.callbacks_path_label)
layout.addLayout(callbacks_layout)
layout.addWidget(QLabel('delay between instructions'))
self.instructions_delay = QLineEdit()
self.instructions_delay.setText(
str(self._prefs.get(prefs.EMULATOR_INSTRUCTIONS_DELAY, 0.5)))
layout.addWidget(self.instructions_delay)
buttons = QHBoxLayout()
cancel = QPushButton('cancel')
cancel.clicked.connect(self.close)
buttons.addWidget(cancel)
accept = QPushButton('accept')
accept.clicked.connect(self.accept)
buttons.addWidget(accept)
layout.addLayout(buttons)
def pick_callbacks_path(self):
r = QFileDialog.getOpenFileName()
if len(r) > 0 and len(r[0]) > 0:
self._prefs.put(prefs.EMULATOR_CALLBACKS_PATH, r[0])
self.callbacks_path_label.setText(r[0])
@staticmethod
def show_dialog(dwarf):
dialog = EmulatorConfigsDialog(dwarf)
result = dialog.exec_()
if result == QDialog.Accepted:
try:
dialog._prefs.put(prefs.EMULATOR_INSTRUCTIONS_DELAY,
float(dialog.instructions_delay.text()))
except:
pass
class AppWindow(QMainWindow):
onRestart = pyqtSignal(name='onRestart')
def __init__(self, dwarf_args, flags=None):
super(AppWindow, self).__init__(flags)
self.dwarf_args = dwarf_args
self.session_manager = SessionManager(self)
self.session_manager.sessionCreated.connect(self.session_created)
self.session_manager.sessionStopped.connect(self.session_stopped)
self.session_manager.sessionClosed.connect(self.session_closed)
self._tab_order = [
'memory', 'modules', 'ranges', 'jvm-inspector', 'jvm-debugger'
]
self.menu = self.menuBar()
self._is_newer_dwarf = False
self.view_menu = None
#dockwidgets
self.watchers_dwidget = None
self.hooks_dwiget = None
self.bookmarks_dwiget = None
self.registers_dock = None
self.console_dock = None
self.backtrace_dock = None
self.threads_dock = None
#panels
self.asm_panel = None
self.console_panel = None
self.context_panel = None
self.backtrace_panel = None
self.contexts_list_panel = None
self.data_panel = None
self.emulator_panel = None
self.ftrace_panel = None
self.hooks_panel = None
self.bookmarks_panel = None
self.smali_panel = None
self.java_inspector_panel = None
self.java_explorer_panel = None
self.java_trace_panel = None
self.memory_panel = None
self.modules_panel = None
self.ranges_panel = None
self.search_panel = None
self.trace_panel = None
self.watchers_panel = None
self.welcome_window = None
self._ui_elems = []
self.setWindowTitle(
'Dwarf - A debugger for reverse engineers, crackers and security analyst'
)
# load external assets
_app = QApplication.instance()
self.remove_tmp_dir()
# themes
self.prefs = Prefs()
self.set_theme(self.prefs.get('dwarf_ui_theme', 'black'))
# load font
if os.path.exists(utils.resource_path('assets/Anton.ttf')):
QFontDatabase.addApplicationFont(
utils.resource_path('assets/Anton.ttf'))
if os.path.exists(utils.resource_path('assets/OpenSans-Regular.ttf')):
QFontDatabase.addApplicationFont(
utils.resource_path('assets/OpenSans-Regular.ttf'))
_app.setFont(QFont("OpenSans", 9, QFont.Normal))
if os.path.exists(utils.resource_path('assets/OpenSans-Bold.ttf')):
QFontDatabase.addApplicationFont(
utils.resource_path('assets/OpenSans-Bold.ttf'))
# mainwindow statusbar
self.progressbar = QProgressBar()
self.progressbar.setRange(0, 0)
self.progressbar.setVisible(False)
self.progressbar.setFixedHeight(15)
self.progressbar.setFixedWidth(100)
self.progressbar.setTextVisible(False)
self.progressbar.setValue(30)
self.statusbar = QStatusBar(self)
self.statusbar.setAutoFillBackground(False)
self.statusbar.addPermanentWidget(self.progressbar)
self.statusbar.setObjectName("statusbar")
self.setStatusBar(self.statusbar)
self.main_tabs = QTabWidget(self)
self.main_tabs.setMovable(False)
self.main_tabs.setTabsClosable(True)
self.main_tabs.setAutoFillBackground(True)
self.main_tabs.tabCloseRequested.connect(self._on_close_tab)
self.setCentralWidget(self.main_tabs)
if self.dwarf_args.package is None:
self.welcome_window = WelcomeDialog(self)
self.welcome_window.setModal(True)
self.welcome_window.onIsNewerVersion.connect(
self._enable_update_menu)
self.welcome_window.onUpdateComplete.connect(
self._on_dwarf_updated)
self.welcome_window.setWindowTitle(
'Welcome to Dwarf - A debugger for reverse engineers, crackers and security analyst'
)
self.welcome_window.onSessionSelected.connect(self._start_session)
self.welcome_window.onSessionRestore.connect(self._restore_session)
# wait for welcome screen
self.hide()
self.welcome_window.show()
else:
if dwarf_args.package is not None:
if dwarf_args.type is None:
# no device given check if package is local path
if os.path.exists(dwarf_args.package):
print('* Starting new LocalSession')
self._start_session('local')
else:
print('use -t to set sessiontype')
exit(0)
else:
print('* Starting new Session')
self._start_session(dwarf_args.type)
def _setup_main_menu(self):
self.menu = self.menuBar()
dwarf_menu = QMenu('Dwarf', self)
theme = QMenu('Theme', dwarf_menu)
theme.addAction('Black')
theme.addAction('Dark')
theme.addAction('Light')
theme.triggered.connect(self._set_theme)
dwarf_menu.addMenu(theme)
dwarf_menu.addSeparator()
if self._is_newer_dwarf:
dwarf_menu.addAction('Update', self._update_dwarf)
dwarf_menu.addAction('Close', self.session_manager.session.stop)
self.menu.addMenu(dwarf_menu)
session = self.session_manager.session
if session is not None:
session_menu = session.main_menu
if isinstance(session_menu, list):
for menu in session_menu:
self.menu.addMenu(menu)
else:
self.menu.addMenu(session_menu)
self.view_menu = QMenu('View', self)
subview_menu = QMenu('Subview', self.view_menu)
subview_menu.addAction('Search',
lambda: self.show_main_tab('search'),
shortcut=QKeySequence(Qt.CTRL + Qt.Key_F3))
subview_menu.addAction('Emulator',
lambda: self.show_main_tab('emulator'),
shortcut=QKeySequence(Qt.CTRL + Qt.Key_F2))
subview_menu.addAction('Disassembly',
lambda: self.show_main_tab('disassembly'),
shortcut=QKeySequence(Qt.CTRL + Qt.Key_F5))
self.view_menu.addMenu(subview_menu)
self.view_menu.addSeparator()
self.menu.addMenu(self.view_menu)
if self.dwarf_args.debug_script:
debug_menu = QMenu('Debug', self)
debug_menu.addAction('Reload core', self._menu_reload_core)
debug_menu.addAction('Debug dwarf js core',
self._menu_debug_dwarf_js)
self.menu.addMenu(debug_menu)
about_menu = QMenu('About', self)
about_menu.addAction('Dwarf on GitHub', self._menu_github)
about_menu.addAction('Documention', self._menu_documentation)
about_menu.addAction('Api', self._menu_api)
about_menu.addAction('Slack', self._menu_slack)
about_menu.addSeparator()
about_menu.addAction('Info', self._show_about_dlg)
self.menu.addMenu(about_menu)
def _enable_update_menu(self):
self._is_newer_dwarf = True
def _update_dwarf(self):
if self.welcome_window:
self.welcome_window._update_dwarf()
def _on_close_tab(self, index):
tab_text = self.main_tabs.tabText(index)
if tab_text:
if tab_text.lower() in self.session_manager.session.non_closable:
return
try:
self._ui_elems.remove(tab_text.lower())
except ValueError: # recheck ValueError: list.remove(x): x not in list
pass
self.main_tabs.removeTab(index)
def _handle_tab_change(self):
for index in range(self.main_tabs.count()):
tab_name = self.main_tabs.tabText(index).lower().replace(' ', '-')
if tab_name in self.session_manager.session.non_closable:
self.main_tabs.tabBar().setTabButton(index, QTabBar.RightSide,
None)
if tab_name in self._tab_order:
should_index = self._tab_order.index(tab_name)
if index != should_index:
self.main_tabs.tabBar().moveTab(index, should_index)
def _on_dwarf_updated(self):
self.onRestart.emit()
def remove_tmp_dir(self):
if os.path.exists('.tmp'):
shutil.rmtree('.tmp', ignore_errors=True)
def _set_theme(self, qaction):
if qaction:
self.set_theme(qaction.text())
def _menu_reload_core(self):
self.dwarf.load_script()
def _menu_debug_dwarf_js(self):
you_know_what_to_do = json.loads(
self.dwarf._script.exports.debugdwarfjs())
return you_know_what_to_do
def show_main_tab(self, name):
# elem doesnt exists? create it
if name not in self._ui_elems:
self._create_ui_elem(name)
index = 0
name = name.join(name.split()).lower()
if name == 'memory':
index = self.main_tabs.indexOf(self.memory_panel)
elif name == 'ranges':
index = self.main_tabs.indexOf(self.ranges_panel)
elif name == 'search':
index = self.main_tabs.indexOf(self.search_panel)
elif name == 'modules':
index = self.main_tabs.indexOf(self.modules_panel)
elif name == 'disassembly':
index = self.main_tabs.indexOf(self.asm_panel)
elif name == 'trace':
index = self.main_tabs.indexOf(self.trace_panel)
elif name == 'data':
index = self.main_tabs.indexOf(self.data_panel)
elif name == 'emulator':
index = self.main_tabs.indexOf(self.emulator_panel)
elif name == 'java-trace':
index = self.main_tabs.indexOf(self.java_trace_panel)
elif name == 'jvm-inspector':
index = self.main_tabs.indexOf(self.java_inspector_panel)
elif name == 'jvm-debugger':
index = self.main_tabs.indexOf(self.java_explorer_panel)
elif name == 'smali':
index = self.main_tabs.indexOf(self.smali_panel)
self.main_tabs.setCurrentIndex(index)
def jump_to_address(self, ptr, show_panel=True):
if self.memory_panel is not None:
if show_panel:
self.show_main_tab('memory')
self.memory_panel.read_memory(ptr)
@pyqtSlot(name='mainMenuGitHub')
def _menu_github(self):
QDesktopServices.openUrl(QUrl('https://github.com/iGio90/Dwarf'))
@pyqtSlot(name='mainMenuDocumentation')
def _menu_api(self):
QDesktopServices.openUrl(QUrl('https://igio90.github.io/Dwarf/'))
@pyqtSlot(name='mainMenuApi')
def _menu_documentation(self):
QDesktopServices.openUrl(QUrl('https://igio90.github.io/Dwarf/api'))
@pyqtSlot(name='mainMenuSlack')
def _menu_slack(self):
QDesktopServices.openUrl(
QUrl('https://join.slack.com/t/resecret/shared_invite'
'/enQtMzc1NTg4MzE3NjA1LTlkNzYxNTIwYTc2ZTYyOWY1MT'
'Q1NzBiN2ZhYjQwYmY0ZmRhODQ0NDE3NmRmZjFiMmE1MDYwN'
'WJlNDVjZDcwNGE'))
def _show_about_dlg(self):
about_dlg = AboutDialog(self)
about_dlg.show()
def _create_ui_elem(self, elem):
if not isinstance(elem, str):
return
if elem not in self._ui_elems:
self._ui_elems.append(elem)
if elem == 'watchers':
from ui.panel_watchers import WatchersPanel
self.watchers_dwidget = QDockWidget('Watchers', self)
self.watchers_panel = WatchersPanel(self)
# dont respond to dblclick mem cant be shown
# self.watchers_panel.onItemDoubleClicked.connect(
# self._on_watcher_clicked)
self.watchers_panel.onItemRemoved.connect(
self._on_watcher_removeditem)
self.watchers_panel.onItemAdded.connect(self._on_watcher_added)
self.watchers_dwidget.setWidget(self.watchers_panel)
self.watchers_dwidget.setObjectName('WatchersPanel')
self.addDockWidget(Qt.LeftDockWidgetArea, self.watchers_dwidget)
self.view_menu.addAction(self.watchers_dwidget.toggleViewAction())
elif elem == 'hooks':
from ui.panel_hooks import HooksPanel
self.hooks_dwiget = QDockWidget('Breakpoints', self)
self.hooks_panel = HooksPanel(self)
self.hooks_panel.onShowMemoryRequest.connect(
self._on_watcher_clicked)
self.hooks_panel.onHookRemoved.connect(self._on_hook_removed)
self.hooks_dwiget.setWidget(self.hooks_panel)
self.hooks_dwiget.setObjectName('HooksPanel')
self.addDockWidget(Qt.LeftDockWidgetArea, self.hooks_dwiget)
self.view_menu.addAction(self.hooks_dwiget.toggleViewAction())
elif elem == 'bookmarks':
from ui.panel_bookmarks import BookmarksPanel
self.bookmarks_dwiget = QDockWidget('Boomarks', self)
self.bookmarks_panel = BookmarksPanel(self)
self.bookmarks_panel.onShowMemoryRequest.connect(
self._on_watcher_clicked)
self.bookmarks_dwiget.setWidget(self.bookmarks_panel)
self.bookmarks_dwiget.setObjectName('BookmarksPanel')
self.addDockWidget(Qt.LeftDockWidgetArea, self.bookmarks_dwiget)
self.view_menu.addAction(self.bookmarks_dwiget.toggleViewAction())
elif elem == 'registers':
from ui.panel_context import ContextPanel
self.registers_dock = QDockWidget('Context', self)
self.context_panel = ContextPanel(self)
self.registers_dock.setWidget(self.context_panel)
self.registers_dock.setObjectName('ContextsPanel')
self.addDockWidget(Qt.RightDockWidgetArea, self.registers_dock)
self.view_menu.addAction(self.registers_dock.toggleViewAction())
elif elem == 'memory':
from ui.panel_memory import MemoryPanel
self.memory_panel = MemoryPanel(self)
self.memory_panel.onShowDisassembly.connect(
self._disassemble_range)
self.memory_panel.dataChanged.connect(self._on_memory_modified)
self.memory_panel.statusChanged.connect(self.set_status_text)
self.main_tabs.addTab(self.memory_panel, 'Memory')
elif elem == 'jvm-debugger':
from ui.panel_java_explorer import JavaExplorerPanel
self.java_explorer_panel = JavaExplorerPanel(self)
self.main_tabs.addTab(self.java_explorer_panel, 'JVM debugger')
self.main_tabs.tabBar().moveTab(
self.main_tabs.indexOf(self.java_explorer_panel), 1)
elif elem == 'jvm-inspector':
from ui.panel_java_inspector import JavaInspector
self.java_inspector_panel = JavaInspector(self)
self.main_tabs.addTab(self.java_inspector_panel, 'JVM inspector')
elif elem == 'console':
from ui.panel_console import ConsolePanel
self.console_dock = QDockWidget('Console', self)
self.console_panel = ConsolePanel(self)
self.dwarf.onLogToConsole.connect(self._log_js_output)
self.console_dock.setWidget(self.console_panel)
self.console_dock.setObjectName('ConsolePanel')
self.addDockWidget(Qt.BottomDockWidgetArea, self.console_dock)
self.view_menu.addAction(self.console_dock.toggleViewAction())
elif elem == 'backtrace':
from ui.panel_backtrace import BacktracePanel
self.backtrace_dock = QDockWidget('Backtrace', self)
self.backtrace_panel = BacktracePanel(self)
self.backtrace_dock.setWidget(self.backtrace_panel)
self.backtrace_dock.setObjectName('BacktracePanel')
self.backtrace_panel.onShowMemoryRequest.connect(
self._on_watcher_clicked)
self.addDockWidget(Qt.RightDockWidgetArea, self.backtrace_dock)
self.view_menu.addAction(self.backtrace_dock.toggleViewAction())
elif elem == 'threads':
from ui.panel_contexts_list import ContextsListPanel
self.threads_dock = QDockWidget('Threads', self)
self.contexts_list_panel = ContextsListPanel(self)
self.dwarf.onThreadResumed.connect(
self.contexts_list_panel.resume_tid)
self.contexts_list_panel.onItemDoubleClicked.connect(
self._manually_apply_context)
self.threads_dock.setWidget(self.contexts_list_panel)
self.threads_dock.setObjectName('ThreadPanel')
self.addDockWidget(Qt.RightDockWidgetArea, self.threads_dock)
self.view_menu.addAction(self.threads_dock.toggleViewAction())
elif elem == 'modules':
from ui.panel_modules import ModulesPanel
self.modules_panel = ModulesPanel(self)
self.modules_panel.onModuleSelected.connect(
self._on_module_dblclicked)
self.modules_panel.onModuleFuncSelected.connect(
self._on_modulefunc_dblclicked)
self.modules_panel.onAddHook.connect(self._on_addmodule_hook)
self.modules_panel.onDumpBinary.connect(self._on_dumpmodule)
self.main_tabs.addTab(self.modules_panel, 'Modules')
elif elem == 'ranges':
from ui.panel_ranges import RangesPanel
self.ranges_panel = RangesPanel(self)
self.ranges_panel.onItemDoubleClicked.connect(
self._range_dblclicked)
self.ranges_panel.onDumpBinary.connect(self._on_dumpmodule)
# connect to watcherpanel func
self.ranges_panel.onAddWatcher.connect(
self.watchers_panel.do_addwatcher_dlg)
self.main_tabs.addTab(self.ranges_panel, 'Ranges')
elif elem == 'search':
from ui.panel_search import SearchPanel
self.search_panel = SearchPanel(self)
self.search_panel.onShowMemoryRequest.connect(
self._on_watcher_clicked)
self.main_tabs.addTab(self.search_panel, 'Search')
elif elem == 'data':
from ui.panel_data import DataPanel
self.data_panel = DataPanel(self)
self.main_tabs.addTab(self.data_panel, 'Data')
elif elem == 'trace':
from ui.panel_trace import TracePanel
self.trace_panel = TracePanel(self)
self.main_tabs.addTab(self.trace_panel, 'Trace')
elif elem == 'disassembly':
from ui.widgets.disasm_view import DisassemblyView
self.asm_panel = DisassemblyView(self)
self.asm_panel.onShowMemoryRequest.connect(self._on_disasm_showmem)
self.main_tabs.addTab(self.asm_panel, 'Disassembly')
elif elem == 'emulator':
from ui.panel_emulator import EmulatorPanel
self.emulator_panel = EmulatorPanel(self)
self.main_tabs.addTab(self.emulator_panel, 'Emulator')
elif elem == 'java-trace':
from ui.panel_java_trace import JavaTracePanel
self.java_trace_panel = JavaTracePanel(self)
self.main_tabs.addTab(self.java_trace_panel, 'JVM tracer')
elif elem == 'smali':
from ui.panel_smali import SmaliPanel
self.smali_panel = SmaliPanel()
self.main_tabs.addTab(self.smali_panel, 'Smali')
else:
print('no handler for elem: ' + elem)
# make tabs unclosable and sort
self._handle_tab_change()
# TODO: remove add @2x
for item in self.findChildren(QDockWidget):
if item:
if 'darwin' in sys.platform:
item.setStyleSheet(
'QDockWidget::title { padding-left:-30px; } QDockWidget::close-button, QDockWidget::float-button { width: 10px; height:10px }'
)
def set_theme(self, theme):
if theme:
theme = theme.replace(os.pardir, '').replace('.', '')
theme = theme.join(theme.split()).lower()
theme_style = 'assets/' + theme + '_style.qss'
if not os.path.exists(utils.resource_path(theme_style)):
return
self.prefs.put('dwarf_ui_theme', theme)
try:
_app = QApplication.instance()
with open(theme_style) as stylesheet:
_app.setStyleSheet(_app.styleSheet() + '\n' +
stylesheet.read())
except Exception as e:
pass
# err = self.dwarf.spawn(dwarf_args.package, dwarf_args.script)
def set_status_text(self, txt):
self.statusbar.showMessage(txt)
# ************************************************************************
# **************************** Properties ********************************
# ************************************************************************
@property
def disassembly(self):
return self.asm_panel
@property
def backtrace(self):
return self.backtrace_panel
@property
def console(self):
return self.console_panel
@property
def context(self):
return self.context_panel
@property
def threads(self):
return self.contexts_list_panel
@property
def emulator(self):
return self.emulator_panel
@property
def ftrace(self):
return self.ftrace_panel
@property
def hooks(self):
return self.hooks_panel
@property
def java_inspector(self):
return self.java_inspector_panel
@property
def java_explorer(self):
return self.java_explorer_panel
@property
def memory(self):
return self.memory_panel
@property
def modules(self):
return self.memory_panel
@property
def ranges(self):
return self.ranges_panel
@property
def trace(self):
return self.trace_panel
@property
def watchers(self):
return self.watchers_panel
@property
def dwarf(self):
if self.session_manager.session is not None:
return self.session_manager.session.dwarf
else:
return None
# ************************************************************************
# **************************** Handlers **********************************
# ************************************************************************
# session handlers
def _start_session(self, session_type, session_data=None):
if self.welcome_window is not None:
self.welcome_window.close()
self.session_manager.create_session(session_type,
session_data=session_data)
def _restore_session(self, session_data):
if 'session' in session_data:
session_type = session_data['session']
self._start_session(session_type, session_data=session_data)
def session_created(self):
# session init done create ui for it
session = self.session_manager.session
self._setup_main_menu()
for ui_elem in session.session_ui_sections:
ui_elem = ui_elem.join(ui_elem.split()).lower()
self._create_ui_elem(ui_elem)
self.dwarf.onAttached.connect(self._on_attached)
self.dwarf.onScriptLoaded.connect(self._on_script_loaded)
# hookup
self.dwarf.onSetRanges.connect(self._on_setranges)
self.dwarf.onSetModules.connect(self._on_setmodules)
self.dwarf.onAddNativeHook.connect(self._on_add_hook)
self.dwarf.onApplyContext.connect(self._apply_context)
self.dwarf.onThreadResumed.connect(self.on_tid_resumed)
self.dwarf.onTraceData.connect(self._on_tracer_data)
self.dwarf.onSetData.connect(self._on_set_data)
self.session_manager.start_session(self.dwarf_args)
q_settings = QSettings("dwarf_window_pos.ini", QSettings.IniFormat)
ui_state = q_settings.value('dwarf_ui_state')
if ui_state:
self.restoreGeometry(ui_state)
window_state = q_settings.value('dwarf_ui_window', self.saveState())
if window_state:
self.restoreState(window_state)
self.showMaximized()
def session_stopped(self):
self.remove_tmp_dir()
self.menu.clear()
self.main_tabs.clear()
# actually we need to kill this. needs a refactor
if self.java_trace_panel is not None:
self.java_trace_panel = None
for elem in self._ui_elems:
if elem == 'watchers':
self.watchers_panel.clear_list()
self.watchers_panel.close()
self.watchers_panel = None
self.removeDockWidget(self.watchers_dwidget)
self.watchers_dwidget = None
elif elem == 'hooks':
self.hooks_panel.close()
self.hooks_panel = None
self.removeDockWidget(self.hooks_dwiget)
self.hooks_dwiget = None
elif elem == 'registers':
self.context_panel.close()
self.context_panel = None
self.removeDockWidget(self.registers_dock)
self.registers_dock = None
elif elem == 'memory':
self.memory_panel.close()
self.memory_panel = None
self.main_tabs.removeTab(0)
# self.main_tabs
elif elem == 'jvm-debugger':
self.java_explorer_panel.close()
self.java_explorer_panel = None
self.removeDockWidget(self.watchers_dwidget)
elif elem == 'console':
self.console_panel.close()
self.console_panel = None
self.removeDockWidget(self.console_dock)
self.console_dock = None
elif elem == 'backtrace':
self.backtrace_panel.close()
self.backtrace_panel = None
self.removeDockWidget(self.backtrace_dock)
elif elem == 'threads':
self.contexts_list_panel.close()
self.contexts_list_panel = None
self.removeDockWidget(self.threads_dock)
self.threads_dock = None
elif elem == 'bookmarks':
self.bookmarks_panel.close()
self.bookmarks_panel = None
self.removeDockWidget(self.bookmarks_dwiget)
self.bookmarks_dwiget = None
def session_closed(self):
self._ui_elems = []
self.hide()
if self.welcome_window is not None:
self.welcome_window.exec()
# close if it was a commandline session
if self.welcome_window is None:
if self.dwarf_args.package:
self.close()
# ui handler
def closeEvent(self, event):
""" Window closed
save stuff or whatever at exit
detaches dwarf
"""
# save windowstuff
q_settings = QSettings("dwarf_window_pos.ini", QSettings.IniFormat)
q_settings.setValue('dwarf_ui_state', self.saveGeometry())
q_settings.setValue('dwarf_ui_window', self.saveState())
if self.dwarf:
self.dwarf.detach()
super().closeEvent(event)
def _on_watcher_clicked(self, ptr):
""" Address in Watcher/Hookpanel was clicked
show Memory
"""
if '.' in ptr: # java_hook
file_path = ptr.replace('.', os.path.sep)
if os.path.exists('.tmp/smali/' + file_path + '.smali'):
if self.smali_panel is None:
self._create_ui_elem('smali')
self.smali_panel.set_file('.tmp/smali/' + file_path + '.smali')
self.show_main_tab('smali')
else:
self.memory_panel.read_memory(ptr=ptr)
self.show_main_tab('memory')
def _on_disasm_showmem(self, ptr, length):
""" Address in Disasm was clicked
adds temphighlight for bytes from current instruction
"""
self.memory_panel.read_memory(ptr)
self.memory_panel.add_highlight(
HighLight('attention', utils.parse_ptr(ptr), length))
self.show_main_tab('memory')
def _on_watcher_added(self, ptr):
""" Watcher Entry was added
"""
try:
# set highlight
self.memory_panel.add_highlight(
HighLight('watcher', ptr, self.dwarf.pointer_size))
except HighlightExistsError:
pass
def _on_watcher_removeditem(self, ptr):
""" Watcher Entry was removed
remove highlight too
"""
self.memory_panel.remove_highlight(ptr)
def _on_module_dblclicked(self, data):
""" Module in ModulePanel was doubleclicked
"""
addr, size = data
addr = utils.parse_ptr(addr)
size = int(size, 10)
self.memory_panel.read_memory(ptr=addr, length=size)
self.show_main_tab('Memory')
def _on_modulefunc_dblclicked(self, ptr):
""" Function in ModulePanel was doubleclicked
"""
ptr = utils.parse_ptr(ptr)
self.memory_panel.read_memory(ptr=ptr)
self.show_main_tab('Memory')
def _on_dumpmodule(self, data):
""" DumpBinary MenuItem in ModulePanel was selected
"""
ptr, size = data
ptr = utils.parse_ptr(ptr)
size = int(size, 10)
self.dwarf.dump_memory(ptr=ptr, length=size)
def _disassemble_range(self, mem_range):
""" Disassemble MenuItem in Hexview was selected
"""
if mem_range:
if self.asm_panel is None:
self._create_ui_elem('disassembly')
if mem_range:
self.asm_panel.disassemble(mem_range)
self.show_main_tab('disassembly')
def _range_dblclicked(self, ptr):
""" Range in RangesPanel was doubleclicked
"""
ptr = utils.parse_ptr(ptr)
self.memory_panel.read_memory(ptr=ptr)
self.show_main_tab('Memory')
# dwarf handlers
def _log_js_output(self, output):
if self.console_panel is not None:
self.console_panel.get_js_console().log(output)
def _on_setranges(self, ranges):
""" Dwarf wants to set Ranges
only hooked up to switch tab or create ui
its connected in panel after creation
"""
if self.ranges_panel is None:
self.show_main_tab('ranges')
# forward only now to panel it connects after creation
self.ranges_panel.set_ranges(ranges)
def _on_setmodules(self, modules):
""" Dwarf wants to set Modules
only hooked up to switch tab or create ui
its connected in panel after creation
"""
if self.modules_panel is None:
self._create_ui_elem('modules')
self.modules_panel.set_modules(modules)
if self.modules_panel is not None:
self.show_main_tab('modules')
def _manually_apply_context(self, context):
"""
perform additional operation if the context has been manually applied from the context list
"""
self._apply_context(context, manual=True)
def _apply_context(self, context, manual=False):
# update current context tid
# this should be on top as any further api from js needs to be executed on that thread
is_initial_hook = context['reason'] >= 0
if manual or (self.dwarf.context_tid and not is_initial_hook):
self.dwarf.context_tid = context['tid']
if 'context' in context:
if not manual:
self.threads.add_context(context)
is_java = context['is_java']
if is_java:
if self.java_explorer_panel is None:
self._create_ui_elem('jvm-debugger')
self.context_panel.set_context(context['ptr'], 1,
context['context'])
self.java_explorer_panel.set_handle_arg(-1)
self.show_main_tab('jvm-debugger')
else:
self.context_panel.set_context(context['ptr'], 0,
context['context'])
if 'pc' in context['context']:
if not 'disassembly' in self._ui_elems:
from lib.range import Range
_range = Range(Range.SOURCE_TARGET, self.dwarf)
_range.init_with_address(
int(context['context']['pc']['value'], 16))
self._disassemble_range(_range)
if 'backtrace' in context:
self.backtrace_panel.set_backtrace(context['backtrace'])
def _on_add_hook(self, hook):
try:
# set highlight
ptr = hook.get_ptr()
ptr = utils.parse_ptr(ptr)
self.memory_panel.add_highlight(
HighLight('hook', ptr, self.dwarf.pointer_size))
except HighlightExistsError:
pass
def _on_hook_removed(self, ptr):
ptr = utils.parse_ptr(ptr)
self.memory_panel.remove_highlight(ptr)
def _on_addmodule_hook(self, data):
ptr, name = data
self.dwarf.hook_native(ptr, own_input=name)
def on_tid_resumed(self, tid):
if self.dwarf:
if self.dwarf.context_tid == tid:
# clear backtrace
if 'backtrace' in self._ui_elems:
if self.backtrace_panel is not None:
self.backtrace_panel.clear()
# remove thread
if 'threads' in self._ui_elems:
if self.contexts_list_panel is not None:
self.contexts_list_panel.resume_tid(tid)
# clear registers
if 'registers' in self._ui_elems:
if self.context_panel is not None:
self.context_panel.clear()
# clear jvm explorer
if 'jvm-debugger' in self._ui_elems:
if self.java_explorer_panel is not None:
self.java_explorer_panel.clear_panel()
# invalidate dwarf context tid
self.dwarf.context_tid = 0
def _on_tracer_data(self, data):
if not data:
return
if self.trace_panel is None:
self._create_ui_elem('trace')
if self.trace_panel is not None:
self.show_main_tab('Trace')
self.trace_panel.start()
trace_events_parts = data[1].split(',')
while trace_events_parts:
trace_event = TraceEvent(trace_events_parts.pop(0),
trace_events_parts.pop(0),
trace_events_parts.pop(0),
trace_events_parts.pop(0))
self.trace_panel.event_queue.append(trace_event)
def _on_set_data(self, data):
if not isinstance(data, list):
return
if self.data_panel is None:
self._create_ui_elem('data')
if self.data_panel is not None:
self.show_main_tab('Data')
self.data_panel.append_data(data[0], data[1], data[2])
def show_progress(self, text):
self.progressbar.setVisible(True)
self.set_status_text(text)
def hide_progress(self):
self.progressbar.setVisible(False)
self.set_status_text('')
def _on_attached(self, data):
self.setWindowTitle('Dwarf - Attached to %s (%s)' % (data[1], data[0]))
def _on_script_loaded(self):
# restore the loaded session if any
self.session_manager.restore_session()
def _on_memory_modified(self, pos, length):
data_pos = self.memory_panel.base + pos
data = self.memory_panel.data[pos:pos + length]
data = [data[0]] # todo: strange js part
if self.dwarf.dwarf_api('writeBytes', [data_pos, data]):
pass
else:
utils.show_message_box('Failed to write Memory')
def on_add_bookmark(self, ptr):
"""
provide ptr as int
"""
if self.bookmarks_panel is not None:
self.bookmarks_panel._create_bookmark(ptr=hex(ptr))
class AppWindow(QMainWindow):
onRestart = pyqtSignal(name='onRestart')
def __init__(self, dwarf_args, flags=None):
super(AppWindow, self).__init__(flags)
self.dwarf_args = dwarf_args
self.session_manager = SessionManager(self)
self.session_manager.sessionCreated.connect(self.session_created)
self.session_manager.sessionStopped.connect(self.session_stopped)
self.session_manager.sessionClosed.connect(self.session_closed)
self.menu = self.menuBar()
self._is_newer_dwarf = False
self.view_menu = None
self.asm_panel = None
self.console_panel = None
self.context_panel = None
self.backtrace_panel = None
self.contexts_list_panel = None
self.data_panel = None
self.emulator_panel = None
self.ftrace_panel = None
self.hooks_panel = None
self.smali_panel = None
self.java_inspector_panel = None
self.java_explorer_panel = None
self.java_trace_panel = None
self.memory_panel = None
self.modules_panel = None
self.ranges_panel = None
self.search_panel = None
self.trace_panel = None
self.watchers_panel = None
self.welcome_window = None
self._ui_elems = []
self.setWindowTitle(
'Dwarf - A debugger for reverse engineers, crackers and security analyst'
)
# load external assets
_app = QApplication.instance()
self.remove_tmp_dir()
# themes
self.prefs = Prefs()
self.set_theme(self.prefs.get('dwarf_ui_theme', 'black'))
# set icon
if os.name == 'nt':
# windows stuff
import ctypes
try:
# write ini to show folder with dwarficon
folder_stuff = "[.ShellClassInfo]\nIconResource=assets\dwarf.ico,0\n[ViewState]\nMode=\nVid=\nFolderType=Generic\n"
try:
with open('desktop.ini', 'w') as ini:
ini.writelines(folder_stuff)
FILE_ATTRIBUTE_HIDDEN = 0x02
FILE_ATTRIBUTE_SYSTEM = 0x04
# set fileattributes to hidden + systemfile
ctypes.windll.kernel32.SetFileAttributesW(
r'desktop.ini',
FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)
except PermissionError:
# its hidden+system already
pass
# fix for showing dwarf icon in windows taskbar instead of pythonicon
_appid = u'iGio90.dwarf.debugger'
ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(
_appid)
if os.path.exists(utils.resource_path('assets/dwarf.png')):
_icon = QIcon(utils.resource_path('assets/dwarf.png'))
_app.setWindowIcon(_icon)
self.setWindowIcon(_icon)
except:
pass
else:
if os.path.exists(utils.resource_path('assets/dwarf.png')):
_icon = QIcon(utils.resource_path('assets/dwarf.png'))
_app.setWindowIcon(_icon)
self.setWindowIcon(_icon)
# load font
if os.path.exists(utils.resource_path('assets/Anton.ttf')):
QFontDatabase.addApplicationFont('assets/Anton.ttf')
if os.path.exists(utils.resource_path('assets/OpenSans-Regular.ttf')):
QFontDatabase.addApplicationFont('assets/OpenSans-Regular.ttf')
_app.setFont(QFont("OpenSans", 9, QFont.Normal))
if os.path.exists(utils.resource_path('assets/OpenSans-Bold.ttf')):
QFontDatabase.addApplicationFont('assets/OpenSans-Bold.ttf')
# mainwindow statusbar
self.progressbar = QProgressBar()
self.progressbar.setRange(0, 0)
self.progressbar.setVisible(False)
self.progressbar.setFixedHeight(15)
self.progressbar.setFixedWidth(100)
self.progressbar.setTextVisible(False)
self.progressbar.setValue(30)
self.statusbar = QStatusBar(self)
self.statusbar.setAutoFillBackground(False)
self.statusbar.addPermanentWidget(self.progressbar)
self.statusbar.setObjectName("statusbar")
self.setStatusBar(self.statusbar)
self.main_tabs = QTabWidget(self)
self.main_tabs.setMovable(True)
self.main_tabs.setAutoFillBackground(True)
self.setCentralWidget(self.main_tabs)
if self.dwarf_args.package is None:
self.welcome_window = WelcomeDialog(self)
self.welcome_window.setModal(True)
self.welcome_window.onIsNewerVersion.connect(
self._enable_update_menu)
self.welcome_window.onUpdateComplete.connect(
self._on_dwarf_updated)
self.welcome_window.setWindowTitle(
'Welcome to Dwarf - A debugger for reverse engineers, crackers and security analyst'
)
self.welcome_window.onSessionSelected.connect(self._start_session)
# wait for welcome screen
self.hide()
self.welcome_window.show()
else:
if dwarf_args.package is not None:
if dwarf_args.type is None:
# no device given check if package is local path
if os.path.exists(dwarf_args.package):
print('* Starting new LocalSession')
self._start_session('local')
else:
print('use -t to set sessiontype')
exit(0)
else:
print('* Starting new Session')
self._start_session(dwarf_args.type)
def _setup_main_menu(self):
self.menu = self.menuBar()
dwarf_menu = QMenu('Dwarf', self)
if self._is_newer_dwarf:
dwarf_menu.addAction('Update', self._update_dwarf)
dwarf_menu.addAction('Exit', self.session_closed)
self.menu.addMenu(dwarf_menu)
session = self.session_manager.session
if session is not None:
session_menu = session.main_menu
if isinstance(session_menu, list):
for menu in session_menu:
self.menu.addMenu(menu)
else:
self.menu.addMenu(session_menu)
self.view_menu = QMenu('View', self)
theme = QMenu('Theme', self.view_menu)
theme.addAction('Black')
theme.addAction('Dark')
theme.addAction('Light')
theme.triggered.connect(self._set_theme)
self.view_menu.addMenu(theme)
self.view_menu.addSeparator()
self.menu.addMenu(self.view_menu)
if self.dwarf_args.debug_script:
debug_menu = QMenu('Debug', self)
debug_menu.addAction('Reload core', self._menu_reload_core)
self.menu.addMenu(debug_menu)
about_menu = QMenu('About', self)
about_menu.addAction('Dwarf on GitHub', self._menu_github)
about_menu.addAction('Documention', self._menu_documentation)
about_menu.addAction('Api', self._menu_api)
about_menu.addAction('Slack', self._menu_slack)
about_menu.addSeparator()
about_menu.addAction('Info')
self.menu.addMenu(about_menu)
def _enable_update_menu(self):
self._is_newer_dwarf = True
def _update_dwarf(self):
if self.welcome_window:
self.welcome_window._update_dwarf()
def _on_dwarf_updated(self):
self.onRestart.emit()
def remove_tmp_dir(self):
if os.path.exists('.tmp'):
shutil.rmtree('.tmp', ignore_errors=True)
def _set_theme(self, qaction):
if qaction:
self.set_theme(qaction.text())
def _menu_reload_core(self):
self.dwarf.load_script()
def show_main_tab(self, name):
index = 0
name = name.join(name.split()).lower()
if name == 'memory':
index = self.main_tabs.indexOf(self.memory_panel)
elif name == 'ranges':
index = self.main_tabs.indexOf(self.ranges_panel)
elif name == 'search':
index = self.main_tabs.indexOf(self.search_panel)
elif name == 'modules':
index = self.main_tabs.indexOf(self.modules_panel)
elif name == 'disassembly':
index = self.main_tabs.indexOf(self.asm_panel)
elif name == 'trace':
index = self.main_tabs.indexOf(self.trace_panel)
elif name == 'data':
index = self.main_tabs.indexOf(self.data_panel)
elif name == 'emulator':
index = self.main_tabs.indexOf(self.emulator_panel)
elif name == 'java-trace':
index = self.main_tabs.indexOf(self.java_trace_panel)
elif name == 'java-inspector':
index = self.main_tabs.indexOf(self.java_inspector_panel)
elif name == 'java-explorer':
index = self.main_tabs.indexOf(self.java_explorer_panel)
elif name == 'smali':
index = self.main_tabs.indexOf(self.smali_panel)
self.main_tabs.setCurrentIndex(index)
def jump_to_address(self, ptr):
if self.memory_panel is not None:
self.show_main_tab('memory')
self.memory_panel.read_memory(ptr)
@pyqtSlot(name='mainMenuGitHub')
def _menu_github(self):
QDesktopServices.openUrl(QUrl('https://github.com/iGio90/Dwarf'))
@pyqtSlot(name='mainMenuDocumentation')
def _menu_api(self):
QDesktopServices.openUrl(QUrl('https://igio90.github.io/Dwarf/'))
@pyqtSlot(name='mainMenuApi')
def _menu_documentation(self):
QDesktopServices.openUrl(QUrl('https://igio90.github.io/Dwarf/api'))
@pyqtSlot(name='mainMenuSlack')
def _menu_slack(self):
QDesktopServices.openUrl(
QUrl('https://join.slack.com/t/resecret/shared_invite'
'/enQtMzc1NTg4MzE3NjA1LTlkNzYxNTIwYTc2ZTYyOWY1MT'
'Q1NzBiN2ZhYjQwYmY0ZmRhODQ0NDE3NmRmZjFiMmE1MDYwN'
'WJlNDVjZDcwNGE'))
def _create_ui_elem(self, elem):
if not isinstance(elem, str):
return
if elem not in self._ui_elems:
self._ui_elems.append(elem)
if elem == 'watchers':
from ui.panel_watchers import WatchersPanel
self.watchers_dwidget = QDockWidget('Watchers', self)
self.watchers_panel = WatchersPanel(self)
# dont respond to dblclick mem cant be shown
# self.watchers_panel.onItemDoubleClicked.connect(
# self._on_watcher_clicked)
self.watchers_panel.onItemRemoved.connect(
self._on_watcher_removeditem)
self.watchers_panel.onItemAdded.connect(self._on_watcher_added)
self.watchers_dwidget.setWidget(self.watchers_panel)
self.watchers_dwidget.setObjectName('WatchersPanel')
self.addDockWidget(Qt.LeftDockWidgetArea, self.watchers_dwidget)
self.view_menu.addAction(self.watchers_dwidget.toggleViewAction())
elif elem == 'hooks':
from ui.panel_hooks import HooksPanel
self.hooks_dwiget = QDockWidget('Hooks', self)
self.hooks_panel = HooksPanel(self)
self.hooks_panel.onShowMemoryRequest.connect(
self._on_watcher_clicked)
self.hooks_panel.onHookRemoved.connect(self._on_hook_removed)
self.hooks_dwiget.setWidget(self.hooks_panel)
self.hooks_dwiget.setObjectName('HooksPanel')
self.addDockWidget(Qt.LeftDockWidgetArea, self.hooks_dwiget)
self.view_menu.addAction(self.hooks_dwiget.toggleViewAction())
elif elem == 'registers':
from ui.panel_context import ContextPanel
self.registers_dock = QDockWidget('Context', self)
self.context_panel = ContextPanel(self)
self.registers_dock.setWidget(self.context_panel)
self.registers_dock.setObjectName('ContextsPanel')
self.addDockWidget(Qt.RightDockWidgetArea, self.registers_dock)
self.view_menu.addAction(self.registers_dock.toggleViewAction())
elif elem == 'memory':
from ui.panel_memory import MemoryPanel
self.memory_panel = MemoryPanel(self)
self.memory_panel.onShowDisassembly.connect(
self._disassemble_range)
self.memory_panel.dataChanged.connect(self._on_memory_modified)
self.memory_panel.statusChanged.connect(self.set_status_text)
self.main_tabs.addTab(self.memory_panel, 'Memory')
elif elem == 'java-explorer':
from ui.panel_java_explorer import JavaExplorerPanel
self.java_explorer_panel = JavaExplorerPanel(self)
self.main_tabs.addTab(self.java_explorer_panel, 'JVM debugger')
elif elem == 'java-inspector':
from ui.panel_java_inspector import JavaInspector
self.java_inspector_panel = JavaInspector(self)
self.main_tabs.addTab(self.java_inspector_panel, 'JVM inspector')
elif elem == 'console':
from ui.panel_console import ConsolePanel
self.console_dock = QDockWidget('Console', self)
self.console_panel = ConsolePanel(self)
self.dwarf.onLogToConsole.connect(self._log_js_output)
self.console_dock.setWidget(self.console_panel)
self.console_dock.setObjectName('ConsolePanel')
self.addDockWidget(Qt.BottomDockWidgetArea, self.console_dock)
self.view_menu.addAction(self.console_dock.toggleViewAction())
elif elem == 'backtrace':
from ui.panel_backtrace import BacktracePanel
self.backtrace_dock = QDockWidget('Backtrace', self)
self.backtrace_panel = BacktracePanel(self)
self.backtrace_dock.setWidget(self.backtrace_panel)
self.backtrace_dock.setObjectName('BacktracePanel')
self.backtrace_panel.onShowMemoryRequest.connect(
self._on_watcher_clicked)
self.addDockWidget(Qt.RightDockWidgetArea, self.backtrace_dock)
self.view_menu.addAction(self.backtrace_dock.toggleViewAction())
elif elem == 'threads':
from ui.panel_contexts_list import ContextsListPanel
self.threads_dock = QDockWidget('Threads', self)
self.contexts_list_panel = ContextsListPanel(self)
self.dwarf.onThreadResumed.connect(
self.contexts_list_panel.resume_tid)
self.contexts_list_panel.onItemDoubleClicked.connect(
self._apply_context)
self.threads_dock.setWidget(self.contexts_list_panel)
self.threads_dock.setObjectName('ThreadPanel')
self.addDockWidget(Qt.RightDockWidgetArea, self.threads_dock)
self.view_menu.addAction(self.threads_dock.toggleViewAction())
elif elem == 'modules':
from ui.panel_modules import ModulesPanel
self.modules_panel = ModulesPanel(self)
self.modules_panel.onModuleSelected.connect(
self._on_module_dblclicked)
self.modules_panel.onModuleFuncSelected.connect(
self._on_modulefunc_dblclicked)
self.modules_panel.onAddHook.connect(self._on_addmodule_hook)
self.modules_panel.onDumpBinary.connect(self._on_dumpmodule)
self.main_tabs.addTab(self.modules_panel, 'Modules')
elif elem == 'ranges':
from ui.panel_ranges import RangesPanel
self.ranges_panel = RangesPanel(self)
self.ranges_panel.onItemDoubleClicked.connect(
self._range_dblclicked)
self.ranges_panel.onDumpBinary.connect(self._on_dumpmodule)
# connect to watcherpanel func
self.ranges_panel.onAddWatcher.connect(
self.watchers_panel.do_addwatcher_dlg)
self.main_tabs.addTab(self.ranges_panel, 'Ranges')
elif elem == 'search':
from ui.panel_search import SearchPanel
self.search_panel = SearchPanel(self)
self.search_panel.onShowMemoryRequest.connect(
self._on_watcher_clicked)
self.main_tabs.addTab(self.search_panel, 'Search')
elif elem == 'data':
from ui.panel_data import DataPanel
self.data_panel = DataPanel(self)
self.main_tabs.addTab(self.data_panel, 'Data')
elif elem == 'trace':
from ui.panel_trace import TracePanel
self.trace_panel = TracePanel(self)
self.main_tabs.addTab(self.trace_panel, 'Trace')
elif elem == 'disassembly':
from ui.disasm_view import DisassemblyView
self.asm_panel = DisassemblyView(self)
self.asm_panel.onShowMemoryRequest.connect(self._on_disasm_showmem)
self.main_tabs.addTab(self.asm_panel, 'Disassembly')
elif elem == 'emulator':
from ui.panel_emulator import EmulatorPanel
self.emulator_panel = EmulatorPanel(self)
self.main_tabs.addTab(self.emulator_panel, 'Emulator')
elif elem == 'java-trace':
from ui.panel_java_trace import JavaTracePanel
self.java_trace_panel = JavaTracePanel(self)
self.main_tabs.addTab(self.java_trace_panel, 'JVM tracer')
elif elem == 'smali':
from ui.panel_smali import SmaliPanel
self.smali_panel = SmaliPanel()
self.main_tabs.addTab(self.smali_panel, 'Smali')
else:
print('no handler for elem: ' + elem)
def set_theme(self, theme):
if theme:
theme = theme.replace(os.pardir, '').replace('.', '')
theme = theme.join(theme.split()).lower()
theme_style = 'assets/' + theme + '_style.qss'
if not os.path.exists(utils.resource_path(theme_style)):
return
self.prefs.put('dwarf_ui_theme', theme)
try:
_app = QApplication.instance()
with open(theme_style) as stylesheet:
_app.setStyleSheet(_app.styleSheet() + '\n' +
stylesheet.read())
except Exception as e:
pass
#err = self.dwarf.spawn(dwarf_args.package, dwarf_args.script)
def set_status_text(self, txt):
self.statusbar.showMessage(txt)
# ************************************************************************
# **************************** Properties ********************************
# ************************************************************************
@property
def disassembly(self):
return self.asm_panel
@property
def backtrace(self):
return self.backtrace_panel
@property
def console(self):
return self.console_panel
@property
def context(self):
return self.context_panel
@property
def threads(self):
return self.contexts_list_panel
@property
def emulator(self):
return self.emulator_panel
@property
def ftrace(self):
return self.ftrace_panel
@property
def hooks(self):
return self.hooks_panel
@property
def java_inspector(self):
return self.java_inspector_panel
@property
def java_explorer(self):
return self.java_explorer_panel
@property
def memory(self):
return self.memory_panel
@property
def modules(self):
return self.memory_panel
@property
def ranges(self):
return self.ranges_panel
@property
def trace(self):
return self.trace_panel
@property
def watchers(self):
return self.watchers_panel
@property
def dwarf(self):
if self.session_manager.session is not None:
return self.session_manager.session.dwarf
else:
return None
# ************************************************************************
# **************************** Handlers **********************************
# ************************************************************************
# session handlers
def _start_session(self, session_type):
if self.welcome_window is not None:
self.welcome_window.close()
self.session_manager.create_session(session_type)
def session_created(self):
# session init done create ui for it
session = self.session_manager.session
self._setup_main_menu()
for ui_elem in session.session_ui_sections:
ui_elem = ui_elem.join(ui_elem.split()).lower()
self._create_ui_elem(ui_elem)
self.dwarf.onAttached.connect(self._on_attached)
# hookup
self.dwarf.onSetRanges.connect(self._on_setranges)
self.dwarf.onSetModules.connect(self._on_setmodules)
self.dwarf.onAddNativeHook.connect(self._on_add_hook)
self.dwarf.onApplyContext.connect(self._apply_context)
self.dwarf.onThreadResumed.connect(self.on_tid_resumed)
self.dwarf.onTraceData.connect(self._on_tracer_data)
self.dwarf.onSetData.connect(self._on_set_data)
self.session_manager.start_session(self.dwarf_args)
q_settings = QSettings("dwarf_window_pos.ini", QSettings.IniFormat)
ui_state = q_settings.value('dwarf_ui_state')
if ui_state:
self.restoreGeometry(ui_state)
window_state = q_settings.value('dwarf_ui_window', self.saveState())
if window_state:
self.restoreState(window_state)
self.showMaximized()
def session_stopped(self):
self.remove_tmp_dir()
self.menu.clear()
self.main_tabs.clear()
for elem in self._ui_elems:
if elem == 'watchers':
self.watchers_panel.clear_list()
self.watchers_panel.close()
self.watchers_panel = None
self.removeDockWidget(self.watchers_dwidget)
self.watchers_dwidget = None
elif elem == 'hooks':
self.hooks_panel.close()
self.hooks_panel = None
self.removeDockWidget(self.hooks_dwiget)
self.hooks_dwiget = None
elif elem == 'registers':
self.context_panel.close()
self.context_panel = None
self.removeDockWidget(self.registers_dock)
self.registers_dock = None
elif elem == 'memory':
self.memory_panel.close()
self.memory_panel = None
self.main_tabs.removeTab(0)
# self.main_tabs
elif elem == 'java-explorer':
self.java_explorer_panel.close()
self.java_explorer_panel = None
self.removeDockWidget(self.watchers_dwidget)
elif elem == 'console':
self.console_panel.close()
self.console_panel = None
self.removeDockWidget(self.console_dock)
self.console_dock = None
elif elem == 'backtrace':
self.backtrace_panel.close()
self.backtrace_panel = None
self.removeDockWidget(self.backtrace_dock)
elif elem == 'threads':
self.contexts_list_panel.close()
self.contexts_list_panel = None
self.removeDockWidget(self.threads_dock)
self.threads_dock = None
def session_closed(self):
self._ui_elems = []
self.hide()
if self.welcome_window is not None:
self.welcome_window.exec()
# close if it was a commandline session
if self.welcome_window is None:
if self.dwarf_args.package:
self.close()
# ui handler
def closeEvent(self, event):
""" Window closed
save stuff or whatever at exit
detaches dwarf
"""
# save windowstuff
q_settings = QSettings("dwarf_window_pos.ini", QSettings.IniFormat)
q_settings.setValue('dwarf_ui_state', self.saveGeometry())
q_settings.setValue('dwarf_ui_window', self.saveState())
if self.dwarf:
self.dwarf.detach()
super().closeEvent(event)
def _on_watcher_clicked(self, ptr):
""" Address in Watcher/Hookpanel was clicked
show Memory
"""
if '.' in ptr: # java_hook
file_path = ptr.replace('.', os.path.sep)
if os.path.exists('.tmp/smali/' + file_path + '.smali'):
if self.smali_panel is None:
self._create_ui_elem('smali')
self.smali_panel.set_file('.tmp/smali/' + file_path + '.smali')
self.show_main_tab('smali')
else:
self.memory_panel.read_memory(ptr=ptr)
self.show_main_tab('memory')
def _on_disasm_showmem(self, ptr, length):
""" Address in Disasm was clicked
adds temphighlight for bytes from current instruction
"""
self.memory_panel.read_memory(ptr)
self.memory_panel.add_highlight(
HighLight('attention', utils.parse_ptr(ptr), length))
self.show_main_tab('memory')
def _on_watcher_added(self, ptr):
""" Watcher Entry was added
"""
try:
# set highlight
self.memory_panel.add_highlight(
HighLight('watcher', ptr, self.dwarf.pointer_size))
except HighlightExistsError:
pass
def _on_watcher_removeditem(self, ptr):
""" Watcher Entry was removed
remove highlight too
"""
self.memory_panel.remove_highlight(ptr)
def _on_module_dblclicked(self, data):
""" Module in ModulePanel was doubleclicked
"""
addr, size = data
addr = utils.parse_ptr(addr)
size = int(size, 10)
self.memory_panel.read_memory(ptr=addr, length=size)
self.show_main_tab('Memory')
def _on_modulefunc_dblclicked(self, ptr):
""" Function in ModulePanel was doubleclicked
"""
ptr = utils.parse_ptr(ptr)
self.memory_panel.read_memory(ptr=ptr)
self.show_main_tab('Memory')
def _on_dumpmodule(self, data):
""" DumpBinary MenuItem in ModulePanel was selected
"""
ptr, size = data
ptr = utils.parse_ptr(ptr)
size = int(size, 10)
self.dwarf.dump_memory(ptr=ptr, length=size)
def _disassemble_range(self, mem_range):
""" Disassemble MenuItem in Hexview was selected
"""
if mem_range:
if self.asm_panel is None:
self._create_ui_elem('disassembly')
if mem_range:
self.asm_panel.disassemble(mem_range)
self.show_main_tab('disassembly')
def _range_dblclicked(self, ptr):
""" Range in RangesPanel was doubleclicked
"""
ptr = utils.parse_ptr(ptr)
self.memory_panel.read_memory(ptr=ptr)
self.show_main_tab('Memory')
# dwarf handlers
def _log_js_output(self, output):
if self.console_panel is not None:
self.console_panel.get_js_console().log(output)
def _on_setranges(self, ranges):
""" Dwarf wants to set Ranges
only hooked up to switch tab or create ui
its connected in panel after creation
"""
if self.ranges_panel is None:
self._create_ui_elem('ranges')
# forward only now to panel it connects after creation
self.ranges_panel.set_ranges(ranges)
# once we got ranges in place from our target we can create the search panel as well
if self.search_panel is None:
self._create_ui_elem('search')
self.search_panel.set_ranges(ranges)
if self.ranges_panel is not None:
self.show_main_tab('ranges')
def _on_setmodules(self, modules):
""" Dwarf wants to set Modules
only hooked up to switch tab or create ui
its connected in panel after creation
"""
if self.modules_panel is None:
self._create_ui_elem('modules')
self.modules_panel.set_modules(modules)
if self.modules_panel is not None:
self.show_main_tab('modules')
def _apply_context(self, context):
if 'context' in context:
is_java = context['is_java']
if is_java:
if self.java_explorer_panel is None:
self._create_ui_elem('java-explorer')
self.context_panel.set_context(context['ptr'], 1,
context['context'])
self.java_explorer_panel.set_handle_arg(-1)
self.show_main_tab('java-explorer')
else:
self.context_panel.set_context(context['ptr'], 0,
context['context'])
if 'backtrace' in context:
self.backtrace_panel.set_backtrace(context['backtrace'])
# update current context tid
self.dwarf.context_tid = context['tid']
def _on_add_hook(self, hook):
try:
# set highlight
ptr = hook.get_ptr()
ptr = utils.parse_ptr(ptr)
self.memory_panel.add_highlight(
HighLight('hook', ptr, self.dwarf.pointer_size))
except HighlightExistsError:
pass
def _on_hook_removed(self, ptr):
ptr = utils.parse_ptr(ptr)
self.memory_panel.remove_highlight(ptr)
def _on_addmodule_hook(self, data):
ptr, name = data
self.dwarf.hook_native(ptr, own_input=name)
def on_tid_resumed(self, tid):
if self.dwarf:
if self.dwarf.context_tid == tid:
# clear backtrace
if 'backtrace' in self._ui_elems:
if self.backtrace_panel is not None:
self.backtrace_panel.clear()
# remove thread
if 'threads' in self._ui_elems:
if self.contexts_list_panel is not None:
self.contexts_list_panel.resume_tid(tid)
# clear registers
if 'registers' in self._ui_elems:
if self.context_panel is not None:
self.context_panel.clear()
# clear jvm explorer
if 'java-explorer' in self._ui_elems:
if self.java_explorer_panel is not None:
self.java_explorer_panel.clear_panel()
def _on_tracer_data(self, data):
if not data:
return
if self.trace_panel is None:
self._create_ui_elem('trace')
if self.trace_panel is not None:
self.show_main_tab('Trace')
self.trace_panel.start()
trace_events_parts = data[1].split(',')
while trace_events_parts:
trace_event = TraceEvent(trace_events_parts.pop(0),
trace_events_parts.pop(0),
trace_events_parts.pop(0),
trace_events_parts.pop(0))
self.trace_panel.event_queue.append(trace_event)
def _on_set_data(self, data):
if not isinstance(data, list):
return
if self.data_panel is None:
self._create_ui_elem('data')
if self.data_panel is not None:
self.show_main_tab('Data')
self.data_panel.append_data(data[0], data[1], data[2])
def show_progress(self, text):
self.progressbar.setVisible(True)
self.set_status_text(text)
def hide_progress(self):
self.progressbar.setVisible(False)
self.set_status_text('')
def _on_attached(self, data):
self.setWindowTitle('Dwarf - Attached to %s (%s)' % (data[1], data[0]))
def _on_memory_modified(self, pos, length):
data_pos = self.memory_panel.base + pos
data = self.memory_panel.data[pos:pos + length]
data = [data[0]] # todo: strange js part
if self.dwarf.dwarf_api('writeBytes', [data_pos, data]):
pass
else:
utils.show_message_box('Failed to write Memory')
class Emulator(QThread):
class EmulatorSetupFailedError(Exception):
""" Setup Failed
"""
class EmulatorAlreadyRunningError(Exception):
""" isrunning
"""
onEmulatorSetup = pyqtSignal(list, name='onEmulatorSetup')
onEmulatorStart = pyqtSignal(name='onEmulatorStart')
onEmulatorStop = pyqtSignal(name='onEmulatorStop')
onEmulatorStep = pyqtSignal(name='onEmulatorStep')
onEmulatorHook = pyqtSignal(Instruction, name='onEmulatorHook')
onEmulatorMemoryHook = pyqtSignal(list, name='onEmulatorMemoryHook')
onEmulatorMemoryRangeMapped = pyqtSignal(
list, name='onEmulatorMemoryRangeMapped')
onEmulatorLog = pyqtSignal(str, name='onEmulatorLog')
# setup errors
ERR_INVALID_TID = 1
ERR_INVALID_CONTEXT = 2
ERR_SETUP_FAILED = 3
def __init__(self, dwarf):
super(Emulator, self).__init__()
self.setTerminationEnabled(True)
self.dwarf = dwarf
self._prefs = Prefs()
self._setup_done = False
self._blacklist_regs = []
self.cs = None
self.uc = None
self.context = None
self.thumb = False
self.end_ptr = 0
self.step_mode = STEP_MODE_NONE
self.current_context = None
self._current_instruction = 0
self._next_instruction = 0
self._current_cpu_mode = 0
self._request_stop = False
# configurations
self.callbacks_path = None
self.callbacks = None
self.instructions_delay = 0
self._start_address = 0
self._end_address = 0
# prevent emulator loop for any reason
# i.e through custom callback
# we don't want any UI freeze, so we just setup a n00b way to check if we are looping
# inside the same instruction for N times.
# notice that when an unmapped memory region is required during emulation, this will be taken from target proc
# and mapped into unicorn context. Later, the code fallback to execute the same instruction once again
self._anti_loop = 0
def setup_arm(self):
self.thumb = self.context.pc.thumb
if self.thumb:
self._current_cpu_mode = unicorn.UC_MODE_THUMB
self.cs = Cs(CS_ARCH_ARM, CS_MODE_THUMB)
self.uc = unicorn.Uc(unicorn.UC_ARCH_ARM, unicorn.UC_MODE_THUMB)
# Enable VFP instr
self.uc.mem_map(0x1000, 1024)
self.uc.mem_write(0x1000, binascii.unhexlify(VFP))
self.uc.emu_start(0x1000 | 1, 0x1000 + len(VFP))
self.uc.mem_unmap(0x1000, 1024)
else:
self.cs = Cs(CS_ARCH_ARM, CS_MODE_ARM)
self.uc = unicorn.Uc(unicorn.UC_ARCH_ARM, unicorn.UC_MODE_ARM)
self._current_cpu_mode = unicorn.UC_MODE_ARM
def setup_arm64(self):
self.uc = unicorn.Uc(unicorn.UC_ARCH_ARM64,
unicorn.UC_MODE_LITTLE_ENDIAN)
self.cs = Cs(CS_ARCH_ARM64, CS_MODE_LITTLE_ENDIAN)
self._current_cpu_mode = unicorn.UC_MODE_LITTLE_ENDIAN
def setup_x86(self):
self.uc = unicorn.Uc(unicorn.UC_ARCH_X86, unicorn.UC_MODE_32)
self.cs = Cs(CS_ARCH_X86, CS_MODE_32)
def setup_x64(self):
self.uc = unicorn.Uc(unicorn.UC_ARCH_X86, unicorn.UC_MODE_64)
self.cs = Cs(CS_ARCH_X86, CS_MODE_64)
def _setup(self,
user_arch=None,
user_mode=None,
cs_arch=None,
cs_mode=None):
if user_arch is not None and user_mode is not None:
try:
self.uc = unicorn.Uc(user_arch, user_mode)
self.cs = Cs(cs_arch, cs_mode)
self.thumb = user_mode == unicorn.UC_MODE_THUMB
except:
raise self.EmulatorSetupFailedError('Unsupported arch')
else:
if self.dwarf.arch == 'arm':
self.setup_arm()
elif self.dwarf.arch == 'arm64':
self.setup_arm64()
elif self.dwarf.arch == 'ia32':
self.setup_x86()
elif self.dwarf.arch == 'x64':
self.setup_x64()
else:
# unsupported arch
raise self.EmulatorSetupFailedError('Unsupported arch')
if not self.uc or not self.cs:
raise self.EmulatorSetupFailedError('Unicorn or Capstone missing')
# enable capstone details
if self.cs is not None:
self.cs.detail = True
if not self.context.is_native_context:
raise self.EmulatorSetupFailedError(
'Cannot run emulator on non-native context')
err = self.map_range(self.context.pc.value)
if err:
raise self.EmulatorSetupFailedError('Mapping failed')
self.current_context = EmulatorContext(self.dwarf)
for reg in self.current_context._unicorn_registers:
if reg in self.context.__dict__:
if reg not in self._blacklist_regs:
self.uc.reg_write(
self.current_context._unicorn_registers[reg],
self.context.__dict__[reg].value)
self.uc.hook_add(unicorn.UC_HOOK_CODE, self.hook_code)
self.uc.hook_add(unicorn.UC_HOOK_MEM_WRITE | unicorn.UC_HOOK_MEM_READ,
self.hook_mem_access)
self.uc.hook_add(
unicorn.UC_HOOK_MEM_FETCH_UNMAPPED
| unicorn.UC_HOOK_MEM_WRITE_UNMAPPED
| unicorn.UC_HOOK_MEM_READ_UNMAPPED, self.hook_unmapped)
self.current_context.set_context(self.uc)
return 0
def run(self):
# dont call this func
if not self._setup_done:
return
try:
if self.thumb and self._start_address % 2 != 1:
self._start_address += 1
self.uc.emu_start(
self._start_address,
0xffffffffffffffff) # end is handled in hook_code
except unicorn.UcError as e:
self.log_to_ui('[*] error: ' + str(e))
except Exception as e:
self.log_to_ui('[*] error: ' + str(e))
self._setup_done = False
self.onEmulatorStop.emit()
def api(self, parts):
"""
expose api to js side for allowing emulator interaction while scripting
:param parts: arr -> cmd api split by ":::"
:return: the result from the api
"""
cmd = parts[0]
if cmd == 'clean':
return self.clean()
elif cmd == 'setup':
custom_uc_arch = None
custom_cs_arch = None
custom_uc_mode = None
custom_cs_mode = None
if len(parts) > 3:
try:
arch = 'UC_ARCH_' + parts[2].upper()
if arch in unicorn.__dict__:
custom_uc_arch = unicorn.__dict__[arch]
arch = 'CS_ARCH_' + parts[2].upper()
custom_cs_arch = capstone.__dict__[arch]
mode = 'UC_MODE_' + parts[3].upper()
if mode in unicorn.__dict__:
custom_uc_mode = unicorn.__dict__[mode]
mode = 'CS_MODE_' + parts[3].upper()
custom_cs_mode = capstone.__dict__[mode]
except:
custom_uc_arch = None
custom_cs_arch = None
custom_uc_mode = None
custom_cs_mode = None
if custom_uc_arch is not None and custom_uc_mode is not None:
err = self.setup(parts[1],
user_arch=custom_uc_arch,
user_mode=custom_uc_mode,
cs_arch=custom_cs_arch,
cs_mode=custom_cs_mode)
else:
err = self.setup(parts[1])
if err > 0:
self.context = None
return err
elif cmd == 'start':
until = 0
if len(parts) > 1:
try:
until = int(parts[1])
except:
pass
return self.emulate(until=until)
elif cmd == 'step':
step_mode = STEP_MODE_SINGLE
if len(parts) > 1:
try:
step_mode = int(parts[1])
except:
pass
return self.emulate(step_mode=step_mode)
def clean(self):
if self.isRunning():
raise self.EmulatorAlreadyRunningError()
self._current_instruction = 0
self._next_instruction = 0
self._current_cpu_mode = 0
self.context = None
return 0
def hook_code(self, uc, address, size, user_data):
# QApplication.processEvents()
if self._request_stop:
self.log_to_ui('Error: Emulator stopped - reached end')
self.stop()
return
# anti loop checks
if self._anti_loop == address:
self.log_to_ui('Error: Emulator stopped - looping')
self.stop()
return
self._current_instruction = address
# check if pc/eip is end_ptr
pc = 0 # address should be pc too ???
if self.dwarf.arch == 'arm':
pc = uc.reg_read(unicorn.arm_const.UC_ARM_REG_PC)
elif self.dwarf.arch == 'arm64':
pc = uc.reg_read(unicorn.arm64_const.UC_ARM64_REG_PC)
elif self.dwarf.arch == 'ia32':
pc = uc.reg_read(unicorn.x86_const.UC_X86_REG_EIP)
elif self.dwarf.arch == 'x64':
pc = uc.reg_read(unicorn.x86_const.UC_X86_REG_RIP)
if self.thumb:
pc = pc | 1
if pc == self._end_address:
self._request_stop = True
# set the current context
self.current_context.set_context(uc)
instruction = None
try:
try:
data = bytes(uc.mem_read(address, size))
assembly = self.cs.disasm(data, address)
except:
self.log_to_ui('Error: Emulator stopped - disasm')
self.stop()
return
for i in assembly:
# QApplication.processEvents()
instruction = Instruction(self.dwarf,
i,
context=self.current_context)
self.onEmulatorHook.emit(instruction)
if self.callbacks is not None:
try:
self.callbacks.hook_code(self, instruction, address,
size)
except:
# hook code not implemented in callbacks
pass
if not instruction.is_jump and not instruction.is_call:
self._next_instruction = address + i.size
else:
if instruction.is_call:
self._next_instruction = instruction.call_address
elif instruction.is_jump:
self._next_instruction = instruction.jump_address
if instruction.should_change_arm_instruction_set:
if self.thumb:
self._current_cpu_mode = unicorn.UC_MODE_ARM
self.thumb = False
else:
self._current_cpu_mode = unicorn.UC_MODE_THUMB
self.thumb = True
self.cs.mode(self._current_cpu_mode)
break
# time.sleep(self.instructions_delay)
except:
self.log_to_ui('Error: Emulator stopped')
self.stop()
return
if self.step_mode != STEP_MODE_NONE:
if self.step_mode == STEP_MODE_SINGLE:
self.stop()
elif self.step_mode == STEP_MODE_FUNCTION:
if instruction is not None and instruction.is_call:
self.stop()
elif self.step_mode == STEP_MODE_JUMP:
if instruction is not None and instruction.is_jump:
self.stop()
def hook_mem_access(self, uc, access, address, size, value, user_data):
v = value
if access == unicorn.UC_MEM_READ:
v = int.from_bytes(uc.mem_read(address, size), 'little')
self.onEmulatorMemoryHook.emit([uc, access, address, v])
if self.callbacks is not None:
try:
self.callbacks.hook_memory_access(self, access, address, size,
v)
except:
# hook code not implemented in callbacks
pass
def hook_unmapped(self, uc, access, address, size, value, user_data):
self.log_to_ui(
"[*] Trying to access an unmapped memory address at 0x%x" %
address)
err = self.map_range(address)
if err > 0:
self.log_to_ui('[*] Error %d mapping range at %s' %
(err, hex(address)))
return False
return True
def invalida_configurations(self):
self.callbacks_path = self._prefs.get(prefs.EMULATOR_CALLBACKS_PATH,
'')
self.instructions_delay = self._prefs.get(
prefs.EMULATOR_INSTRUCTIONS_DELAY, 0)
def map_range(self, address):
range_ = Range(Range.SOURCE_TARGET, self.dwarf)
if range_.init_with_address(address) > 0:
return 300
try:
self.uc.mem_map(range_.base, range_.size)
except Exception as e:
self.dwarf.log(e)
return 301
try:
self.uc.mem_write(range_.base, range_.data)
except Exception as e:
self.dwarf.log(e)
return 302
self.log_to_ui("[*] Mapped %d at 0x%x" % (range_.size, range_.base))
self.onEmulatorMemoryRangeMapped.emit([range_.base, range_.size])
return 0
def setup(self,
tid=0,
user_arch=None,
user_mode=None,
cs_arch=None,
cs_mode=None):
if tid == 0:
# get current context tid if none provided
tid = self.dwarf.context_tid
# make sure it's int < pp: why make sure its int and then using str(tid) later??
# when calling from api its str
if isinstance(tid, str):
try:
tid = int(tid)
except ValueError:
return self.ERR_INVALID_TID
if not isinstance(tid, int):
return self.ERR_INVALID_TID
self.context = None
if str(tid) in self.dwarf.contexts:
self.context = self.dwarf.contexts[str(tid)]
if tid == 0 or self.context is None or not self.context.is_native_context:
# prevent emulation if out-of-context
return self.ERR_INVALID_CONTEXT
try:
self._setup(user_arch=user_arch,
user_mode=user_mode,
cs_arch=cs_arch,
cs_mode=cs_mode)
self.onEmulatorSetup.emit([user_arch, user_mode])
except self.EmulatorSetupFailedError:
return self.ERR_SETUP_FAILED
return 0
def start(self, priority=QThread.HighPriority):
# dont call this func
if not self._setup_done:
return
return super().start(priority=priority)
def emulate(self,
until=0,
step_mode=STEP_MODE_NONE,
user_arch=None,
user_mode=None,
cs_arch=None,
cs_mode=None):
if self.isRunning():
raise self.EmulatorAlreadyRunningError()
if isinstance(until, str):
try:
until = int(until, 16)
except ValueError:
until = 0
if until and isinstance(until, int):
self.end_ptr = utils.parse_ptr(until)
if self.end_ptr == 0:
# invalid end pointer
raise self.EmulatorSetupFailedError('Invalid EndPtr')
if self.context is None:
err = self.setup(user_arch=user_arch,
user_mode=user_mode,
cs_arch=cs_arch,
cs_mode=cs_mode)
if err > 0:
# make sure context is None if setup failed for any reason. we want a clean setup later
self.context = None
err_msg = 'unhandled error'
if err == self.ERR_INVALID_TID:
err_msg = 'invalid thread id'
elif err == self.ERR_INVALID_CONTEXT:
err_msg = 'invalid context'
raise self.EmulatorSetupFailedError('Setup failed: %s' %
err_msg)
# calculate the start address
address = self._next_instruction
if address == 0:
if self.uc._arch == unicorn.UC_ARCH_ARM:
address = self.uc.reg_read(unicorn.arm_const.UC_ARM_REG_PC)
elif self.uc._arch == unicorn.UC_ARCH_ARM64:
address = self.uc.reg_read(unicorn.arm64_const.UC_ARM64_REG_PC)
elif self.uc._arch == unicorn.UC_ARCH_X86 and self.uc._mode == unicorn.UC_MODE_32:
address = self.uc.reg_read(unicorn.x86_const.UC_X86_REG_EIP)
elif self.uc._arch == unicorn.UC_ARCH_X86 and self.uc._mode == unicorn.UC_MODE_64:
address = self.uc.reg_read(unicorn.x86_const.UC_X86_REG_RIP)
else:
raise self.EmulatorSetupFailedError('Unsupported arch')
if until > 0:
self.log_to_ui('[*] start emulation from %s to %s' %
(hex(address), hex(self.end_ptr)))
else:
if step_mode == STEP_MODE_NONE or step_mode == STEP_MODE_SINGLE:
self.log_to_ui('[*] stepping %s' % hex(address))
elif step_mode == STEP_MODE_FUNCTION:
self.log_to_ui('[*] stepping to next function call')
elif step_mode == STEP_MODE_JUMP:
self.log_to_ui('[*] stepping to next jump')
self.onEmulatorStart.emit()
# invalidate prefs before start
self.invalida_configurations()
# load callbacks if needed
if self.callbacks_path is not None and self.callbacks_path != '':
try:
spec = spec_from_loader(
"callbacks",
SourceFileLoader("callbacks", self.callbacks_path))
self.callbacks = module_from_spec(spec)
spec.loader.exec_module(self.callbacks)
except Exception as e:
self.log_to_ui('[*] failed to load callbacks: %s' % str(e))
# reset callbacks path
self._prefs.put(prefs.EMULATOR_CALLBACKS_PATH, '')
self.callbacks_path = ''
self.callbacks = None
else:
self.callbacks = None
# until is 0 (i.e we are stepping)
if until == 0 and step_mode == STEP_MODE_NONE:
self.step_mode = STEP_MODE_SINGLE
else:
self.step_mode = step_mode
self._start_address = address
if self.thumb:
if self._start_address % 2 == 0:
self._start_address = self._start_address | 1
else:
if self._start_address % 2 != 0:
self._start_address -= 1
self._end_address = self.end_ptr
self._setup_done = True
self.start()
def stop(self):
if self.isRunning():
self.uc.emu_stop()
def log_to_ui(self, what):
self.onEmulatorLog.emit(what)
class Emulator(QThread):
class EmulatorSetupFailedError(Exception):
""" Setup Failed
"""
class EmulatorAlreadyRunningError(Exception):
""" isrunning
"""
onEmulatorStart = pyqtSignal(name='onEmulatorStart')
onEmulatorStop = pyqtSignal(name='onEmulatorStop')
onEmulatorStep = pyqtSignal(name='onEmulatorStep')
onEmulatorHook = pyqtSignal(Instruction, name='onEmulatorHook')
onEmulatorMemoryHook = pyqtSignal(list, name='onEmulatorMemoryHook')
onEmulatorMemoryRangeMapped = pyqtSignal(
list, name='onEmulatorMemoryRangeMapped')
onEmulatorLog = pyqtSignal(str, name='onEmulatorLog')
def __init__(self, dwarf):
super(Emulator, self).__init__()
self.setTerminationEnabled(True)
self.dwarf = dwarf
self._prefs = Prefs()
self._setup_done = False
self._blacklist_regs = []
self.cs = None
self.uc = None
self.context = None
self.thumb = False
self.end_ptr = 0
self.current_context = None
self.stepping = [False, False]
self._current_instruction = 0
self._current_cpu_mode = 0
self._request_stop = False
# configurations
self.callbacks_path = None
self.callbacks = None
self.instructions_delay = 0
self._start_address = 0
self._end_address = 0
def setup_arm(self):
self.thumb = self.context.pc.thumb
if self.thumb:
self.cs = Cs(CS_ARCH_ARM, CS_MODE_THUMB)
self.uc = unicorn.Uc(unicorn.UC_ARCH_ARM, unicorn.UC_MODE_THUMB)
self._current_cpu_mode = unicorn.UC_MODE_THUMB
# Enable VFP instr
self.uc.mem_map(0x1000, 1024)
self.uc.mem_write(0x1000, binascii.unhexlify(VFP))
self.uc.emu_start(0x1000 | 1, 0x1000 + len(VFP))
self.uc.mem_unmap(0x1000, 1024)
else:
self.cs = Cs(CS_ARCH_ARM, CS_MODE_ARM)
self.uc = unicorn.Uc(unicorn.UC_ARCH_ARM, unicorn.UC_MODE_ARM)
self._current_cpu_mode = unicorn.UC_MODE_ARM
def setup_arm64(self):
self.uc = unicorn.Uc(unicorn.UC_ARCH_ARM64,
unicorn.UC_MODE_LITTLE_ENDIAN)
self.cs = Cs(CS_ARCH_ARM64, CS_MODE_LITTLE_ENDIAN)
self._current_cpu_mode = unicorn.UC_MODE_LITTLE_ENDIAN
def setup_x86(self):
self.uc = unicorn.Uc(unicorn.UC_ARCH_X86, unicorn.UC_MODE_32)
self.cs = Cs(CS_ARCH_X86, CS_MODE_32)
def setup_x64(self):
self.uc = unicorn.Uc(unicorn.UC_ARCH_X86, unicorn.UC_MODE_64)
self.cs = Cs(CS_ARCH_X86, CS_MODE_64)
def _setup(self):
if self.dwarf.arch == 'arm':
self.setup_arm()
elif self.dwarf.arch == 'arm64':
self.setup_arm64()
elif self.dwarf.arch == 'ia32':
self.setup_x86()
elif self.dwarf.arch == 'x64':
self.setup_x64()
else:
# unsupported arch
raise self.EmulatorSetupFailedError('Unsupported arch')
if not self.uc or not self.cs:
raise self.EmulatorSetupFailedError('Unicorn or Capstone missing')
# enable capstone details
if self.cs is not None:
self.cs.detail = True
err = self.map_range(self.context.pc.value)
if err:
raise self.EmulatorSetupFailedError('Mapping failed')
self.current_context = EmulatorContext(self.dwarf)
for reg in self.current_context._unicorn_registers:
if reg in self.context.__dict__:
if reg not in self._blacklist_regs:
self.uc.reg_write(
self.current_context._unicorn_registers[reg],
self.context.__dict__[reg].value)
self.uc.hook_add(unicorn.UC_HOOK_CODE, self.hook_code)
self.uc.hook_add(unicorn.UC_HOOK_MEM_WRITE | unicorn.UC_HOOK_MEM_READ,
self.hook_mem_access)
self.uc.hook_add(
unicorn.UC_HOOK_MEM_FETCH_UNMAPPED
| unicorn.UC_HOOK_MEM_WRITE_UNMAPPED
| unicorn.UC_HOOK_MEM_READ_UNMAPPED, self.hook_unmapped)
self.current_context.set_context(self.uc)
return True
def run(self):
# dont call this func
if not self._setup_done:
return
try:
self.uc.emu_start(
self._start_address,
0xffffffffffffffff) # end is handled in hook_code
except unicorn.UcError as e:
self.log_to_ui('[*] error: ' + str(e))
except Exception as e:
self.log_to_ui('[*] error: ' + str(e))
self._setup_done = False
self.onEmulatorStop.emit()
def api(self, parts):
"""
expose api to js side for allowing emulator interaction while scripting
:param parts: arr -> cmd api split by ":::"
:return: the result from the api
"""
cmd = parts[0]
if cmd == 'clean':
return self.clean()
elif cmd == 'setup':
return self.setup(parts[1])
elif cmd == 'start':
return self.emulate(parts[1])
def clean(self):
if self.isRunning():
return False
self.stepping = [False, False]
self._current_instruction = 0
self._current_cpu_mode = 0
return self._setup()
def hook_code(self, uc, address, size, user_data):
# QApplication.processEvents()
if self._request_stop:
self.log_to_ui('Error: Emulator stopped - reached end')
self.stop()
return
if self._current_instruction == address:
# we should never be here or it is looping
self.log_to_ui('Error: Emulator stopped - looping')
self.stop()
self._current_instruction = address
# check if pc/eip is end_ptr
pc = 0 # address should be pc too ???
if self.dwarf.arch == 'arm':
pc = uc.reg_read(unicorn.arm_const.UC_ARM_REG_PC)
elif self.dwarf.arch == 'arm64':
pc = uc.reg_read(unicorn.arm64_const.UC_ARM64_REG_PC)
elif self.dwarf.arch == 'ia32':
pc = uc.reg_read(unicorn.x86_const.UC_X86_REG_EIP)
elif self.dwarf.arch == 'x64':
pc = uc.reg_read(unicorn.x86_const.UC_X86_REG_RIP)
if pc == self._end_address:
self._request_stop = True
# set the current context
self.current_context.set_context(uc)
# if it's arm we query the cpu mode to detect switches between arm and thumb and set capstone mode if needed
if self.cs.arch == CS_ARCH_ARM:
mode = self.uc.query(unicorn.UC_QUERY_MODE)
if self._current_cpu_mode != mode:
self._current_cpu_mode = mode
self.cs.mode = self._current_cpu_mode
self.thumb = self._current_cpu_mode == unicorn.UC_MODE_THUMB
if self.stepping[0]:
if self.stepping[1]:
uc.emu_stop()
return
else:
self.stepping[1] = True
try:
try:
assembly = self.cs.disasm(bytes(uc.mem_read(address, size)),
address)
except:
self.log_to_ui('Error: Emulator stopped - disasm')
self.stop()
for i in assembly:
# QApplication.processEvents()
instruction = Instruction(self.dwarf, i)
self.onEmulatorHook.emit(instruction)
if self.callbacks is not None:
try:
self.callbacks.hook_code(self, instruction, address,
size)
except:
# hook code not implemented in callbacks
pass
# time.sleep(self.instructions_delay)
except:
self.log_to_ui('Error: Emulator stopped')
self.stop()
def hook_mem_access(self, uc, access, address, size, value, user_data):
v = value
if access == unicorn.UC_MEM_READ:
v = int.from_bytes(uc.mem_read(address, size), 'little')
self.onEmulatorMemoryHook.emit([uc, access, address, v])
if self.callbacks is not None:
try:
self.callbacks.hook_memory_access(self, access, address, size,
v)
except:
# hook code not implemented in callbacks
pass
def hook_unmapped(self, uc, access, address, size, value, user_data):
self.log_to_ui(
"[*] Trying to access an unmapped memory address at 0x%x" %
address)
err = self.map_range(address)
if err > 0:
self.log_to_ui('[*] Error %d mapping range at %s' %
(err, hex(address)))
return False
return True
def invalida_configurations(self):
self.callbacks_path = self._prefs.get(prefs.EMULATOR_CALLBACKS_PATH,
'')
self.instructions_delay = self._prefs.get(
prefs.EMULATOR_INSTRUCTIONS_DELAY, 0)
def map_range(self, address):
range_ = Range(Range.SOURCE_TARGET, self.dwarf)
if range_.init_with_address(address) > 0:
return 300
try:
self.uc.mem_map(range_.base, range_.size)
except Exception as e:
self.dwarf.log(e)
return 301
try:
self.uc.mem_write(range_.base, range_.data)
except Exception as e:
self.dwarf.log(e)
return 302
self.log_to_ui("[*] Mapped %d at 0x%x" % (range_.size, range_.base))
self.onEmulatorMemoryRangeMapped.emit([range_.base, range_.size])
return 0
def setup(self, tid=0):
if tid == 0:
# get current context tid if none provided
tid = self.dwarf.context_tid
# make sure it's int < pp: why make sure its int and then using str(tid) later??
# when calling from api its str
if isinstance(tid, str):
try:
tid = int(tid)
except ValueError:
return False
if not isinstance(tid, int):
return False
self.context = None
if str(tid) in self.dwarf.contexts:
self.context = self.dwarf.contexts[str(tid)]
if self.context is None:
return False
try:
self._setup()
except self.EmulatorSetupFailedError:
return False
return True
def start(self, priority=QThread.HighPriority):
# dont call this func
if not self._setup_done:
return
return super().start(priority=priority)
def emulate(self, until=0):
if self.isRunning():
raise self.EmulatorAlreadyRunningError()
if isinstance(until, str):
try:
until = int(until, 16)
except ValueError:
until = 0
if until and isinstance(until, int):
self.end_ptr = utils.parse_ptr(until)
if self.end_ptr == 0:
# invalid end pointer
raise self.EmulatorSetupFailedError('Invalid EndPtr')
if self.context is None:
if not self.setup():
raise self.EmulatorSetupFailedError('Setup failed')
# calculate the start address
address = self._current_instruction
if address == 0:
if self.uc._arch == unicorn.UC_ARCH_ARM:
address = self.uc.reg_read(unicorn.arm_const.UC_ARM_REG_PC)
elif self.uc._arch == unicorn.UC_ARCH_ARM64:
address = self.uc.reg_read(unicorn.arm64_const.UC_ARM64_REG_PC)
elif self.uc._arch == unicorn.UC_ARCH_X86 and self.uc._mode == unicorn.UC_MODE_32:
address = self.uc.reg_read(unicorn.x86_const.UC_X86_REG_EIP)
elif self.uc._arch == unicorn.UC_ARCH_X86 and self.uc._mode == unicorn.UC_MODE_64:
address = self.uc.reg_read(unicorn.x86_const.UC_X86_REG_RIP)
else:
raise self.EmulatorSetupFailedError('Unsupported arch')
if until > 0:
self.log_to_ui('[*] start emulation from %s to %s' %
(hex(address), hex(self.end_ptr)))
else:
self.log_to_ui('[*] stepping %s' % hex(address))
self.onEmulatorStart.emit()
if self.thumb:
address = address | 1
# invalidate prefs before start
self.invalida_configurations()
# load callbacks if needed
if self.callbacks_path is not None and self.callbacks_path != '':
try:
spec = spec_from_loader(
"callbacks",
SourceFileLoader("callbacks", self.callbacks_path))
self.callbacks = module_from_spec(spec)
spec.loader.exec_module(self.callbacks)
except Exception as e:
self.log_to_ui('[*] failed to load callbacks: %s' % str(e))
# reset callbacks path
self._prefs.put(prefs.EMULATOR_CALLBACKS_PATH, '')
self.callbacks_path = ''
self.callbacks = None
else:
self.callbacks = None
# until is 0 (i.e we are stepping)
if until == 0:
self.stepping = [True, False]
# self.end_ptr = address + (self.dwarf.pointer_size * 2) stupid
else:
self.stepping = [False, False]
self._start_address = address
self._end_address = self.end_ptr
self._setup_done = True
self.start()
def stop(self):
if self.isRunning():
self.uc.emu_stop()
def log_to_ui(self, what):
self.onEmulatorLog.emit(what)
def run_dwarf():
""" fire it up
"""
os.environ["QT_AUTO_SCREEN_SCALE_FACTOR"] = "1"
# os.environ["QT_SCALE_FACTOR"] = "1"
# os.environ["QT_AUTO_SCREEN_SCALE_FACTOR"] = "0"
# os.environ["QT_SCREEN_SCALE_FACTORS"] = "1"
from lib import utils
from lib.git import Git
from lib.prefs import Prefs
from ui.app import AppWindow
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QApplication
qapp = QApplication([])
qapp.setDesktopSettingsAware(True)
qapp.setAttribute(Qt.AA_EnableHighDpiScaling)
qapp.setAttribute(Qt.AA_UseHighDpiPixmaps)
qapp.setLayoutDirection(Qt.LeftToRight)
qapp.setOrganizationName("https://github.com/iGio90/Dwarf")
qapp.setApplicationName("dwarf")
# set icon
_icon = None
if os.name == "nt" and os.path.exists(
utils.resource_path('assets/dwarf.ico')):
_icon = QIcon(utils.resource_path('assets/dwarf.ico'))
qapp.setWindowIcon(_icon)
else:
if os.path.exists(utils.resource_path('assets/dwarf.png')):
_icon = QIcon(utils.resource_path('assets/dwarf.png'))
qapp.setWindowIcon(_icon)
_prefs = Prefs()
local_update_disabled = _prefs.get('disable_local_frida_update', False)
args = process_args()
did_first_run = _prefs.get('did_first_run', False)
if False: # did_first_run:
_prefs.put('did_first_run', True)
SetupDialog.showDialog(_prefs)
if not local_update_disabled:
_git = Git()
import frida
remote_frida = _git.get_frida_version()
local_frida = frida.__version__
if remote_frida and local_frida != remote_frida[0]['tag_name']:
print('Updating local frida version to ' +
remote_frida[0]['tag_name'])
try:
res = utils.do_shell_command(
'pip3 install frida --upgrade --user')
if 'Successfully installed frida-' + remote_frida[0][
'tag_name'] in res:
_on_restart()
elif 'Requirement already up-to-date' in res:
if os.path.exists('.git_cache'):
shutil.rmtree('.git_cache', ignore_errors=True)
else:
print('failed to update local frida')
print(res)
except Exception as e: # pylint: disable=broad-except, invalid-name
print('failed to update local frida')
print(str(e))
if os.name == 'nt':
# windows stuff
import ctypes
try:
# write ini to show folder with dwarficon
folder_stuff = "[.ShellClassInfo]\n"
folder_stuff += "IconResource=assets\\dwarf.ico,0\n"
folder_stuff += "[ViewState]\n"
folder_stuff += "Mode=\n"
folder_stuff += "Vid=\n"
folder_stuff += "FolderType=Generic\n"
try:
with open('desktop.ini', 'w') as ini:
ini.writelines(folder_stuff)
# set fileattributes to hidden + systemfile
ctypes.windll.kernel32.SetFileAttributesW(
r'desktop.ini', 0x02 | 0x04
) # FILE_ATTRIBUTE_HIDDEN = 0x02 | FILE_ATTRIBUTE_SYSTEM = 0x04
except PermissionError:
# its hidden+system already
pass
# fix for showing dwarf icon in windows taskbar instead of pythonicon
_appid = u'iGio90.dwarf.debugger'
ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(
_appid)
ctypes.windll.user32.SetProcessDPIAware()
except Exception: # pylint: disable=broad-except
pass
app_window = AppWindow(args)
app_window.setWindowIcon(_icon)
app_window.onRestart.connect(_on_restart)
try:
sys.exit(qapp.exec_())
except SystemExit as sys_err:
if sys_err.code == 0:
# thanks for using dwarf
print('Thank\'s for using Dwarf\nHave a nice day...')
else:
# something was wrong
print('sysexit with: %d' % sys_err.code)
