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PINCE.py
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PINCE.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Copyright (C) 2016-2017 Korcan Karaokçu <[email protected]>
Copyright (C) 2016-2017 Çağrı Ulaş <[email protected]>
Copyright (C) 2016-2017 Jakob Kreuze <[email protected]>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import gi
import GUI.Settings.settings as settings
from GUI.Settings.hotkeys import Hotkeys
# This fixes GTK version mismatch issues and crashes on gnome
# See #153 and #159 for more information
# This line can be deleted when GTK 4.0 properly runs on all supported systems
gi.require_version("Gtk", "3.0")
from tr.tr import TranslationConstants as tr
from tr.tr import language_list, get_locale
from PyQt6.QtGui import (
QIcon,
QMovie,
QPixmap,
QCursor,
QKeySequence,
QColor,
QTextCharFormat,
QBrush,
QTextCursor,
QShortcut,
QColorConstants,
QStandardItemModel,
QStandardItem,
QCloseEvent,
QKeyEvent,
)
from PyQt6.QtWidgets import (
QApplication,
QMainWindow,
QTableWidgetItem,
QMessageBox,
QDialog,
QWidget,
QTabWidget,
QMenu,
QFileDialog,
QAbstractItemView,
QTreeWidgetItem,
QTreeWidgetItemIterator,
QCompleter,
QLabel,
QLineEdit,
QComboBox,
QDialogButtonBox,
QCheckBox,
QHBoxLayout,
QPushButton,
)
from PyQt6.QtCore import (
Qt,
QThread,
pyqtSignal,
QSize,
QByteArray,
QSettings,
QEvent,
QKeyCombination,
QTranslator,
QItemSelectionModel,
QTimer,
QStringListModel,
QRunnable,
QObject,
QThreadPool,
QLocale,
QSignalBlocker,
QItemSelection,
)
from time import sleep, time
import os, sys, traceback, signal, re, copy, io, queue, collections, ast, json, select
from libpince import utils, debugcore, typedefs
from libpince.libscanmem.scanmem import Scanmem
from libpince.libptrscan.ptrscan import PointerScan, FFIRange, FFIParam
from GUI.Settings.themes import get_theme
from GUI.Settings.themes import theme_list
from GUI.Utils import guiutils
from GUI.MainWindow import Ui_MainWindow as MainWindow
from GUI.SelectProcess import Ui_MainWindow as ProcessWindow
from GUI.AddAddressManuallyDialog import Ui_Dialog as ManualAddressDialog
from GUI.EditTypeDialog import Ui_Dialog as EditTypeDialog
from GUI.TrackSelectorDialog import Ui_Dialog as TrackSelectorDialog
from GUI.LoadingDialog import Ui_Dialog as LoadingDialog
from GUI.InputDialog import Ui_Dialog as InputDialog
from GUI.TextEditDialog import Ui_Dialog as TextEditDialog
from GUI.SettingsDialog import Ui_Dialog as SettingsDialog
from GUI.HandleSignalsDialog import Ui_Dialog as HandleSignalsDialog
from GUI.ConsoleWidget import Ui_Form as ConsoleWidget
from GUI.AboutWidget import Ui_TabWidget as AboutWidget
# If you are going to change the name "Ui_MainWindow_MemoryView", review GUI/Labels/RegisterLabel.py as well
from GUI.MemoryViewerWindow import Ui_MainWindow_MemoryView as MemoryViewWindow
from GUI.BookmarkWidget import Ui_Form as BookmarkWidget
from GUI.FloatRegisterWidget import Ui_TabWidget as FloatRegisterWidget
from GUI.StackTraceInfoWidget import Ui_Form as StackTraceInfoWidget
from GUI.BreakpointInfoWidget import Ui_TabWidget as BreakpointInfoWidget
from GUI.TrackWatchpointWidget import Ui_Form as TrackWatchpointWidget
from GUI.TrackBreakpointWidget import Ui_Form as TrackBreakpointWidget
from GUI.TraceInstructionsPromptDialog import Ui_Dialog as TraceInstructionsPromptDialog
from GUI.TraceInstructionsWaitWidget import Ui_Form as TraceInstructionsWaitWidget
from GUI.TraceInstructionsWindow import Ui_MainWindow as TraceInstructionsWindow
from GUI.FunctionsInfoWidget import Ui_Form as FunctionsInfoWidget
from GUI.HexEditDialog import Ui_Dialog as HexEditDialog
from GUI.EditInstructionDialog import Ui_Dialog as EditInstructionDialog
from GUI.LibpinceReferenceWidget import Ui_Form as LibpinceReferenceWidget
from GUI.LogFileWidget import Ui_Form as LogFileWidget
from GUI.SearchOpcodeWidget import Ui_Form as SearchOpcodeWidget
from GUI.MemoryRegionsWidget import Ui_Form as MemoryRegionsWidget
from GUI.DissectCodeDialog import Ui_Dialog as DissectCodeDialog
from GUI.ReferencedStringsWidget import Ui_Form as ReferencedStringsWidget
from GUI.ReferencedCallsWidget import Ui_Form as ReferencedCallsWidget
from GUI.ExamineReferrersWidget import Ui_Form as ExamineReferrersWidget
from GUI.RestoreInstructionsWidget import Ui_Form as RestoreInstructionsWidget
from GUI.PointerScanSearchDialog import Ui_Dialog as PointerScanSearchDialog
from GUI.PointerScanFilterDialog import Ui_Dialog as PointerScanFilterDialog
from GUI.PointerScanWindow import Ui_MainWindow as PointerScanWindow
from GUI.AbstractTableModels.HexModel import QHexModel
from GUI.AbstractTableModels.AsciiModel import QAsciiModel
from GUI.Validators.HexValidator import QHexValidator
from GUI.ManualAddressDialogUtils.PointerChainOffset import PointerChainOffset
from keyboard import KeyboardEvent, _pressed_events
from keyboard._nixkeyboard import to_name
if __name__ == "__main__":
app = QApplication([])
app.setOrganizationName("PINCE")
app.setOrganizationDomain("github.com/korcankaraokcu/PINCE")
app.setApplicationName("PINCE")
QSettings.setPath(
QSettings.Format.NativeFormat, QSettings.Scope.UserScope, utils.get_user_path(typedefs.USER_PATHS.CONFIG)
)
settings_instance = QSettings()
translator = QTranslator()
try:
locale = settings_instance.value("General/locale", type=str)
except SystemError:
# We're reading the settings for the first time here
# If there's an error due to python objects, clear settings
settings_instance.clear()
locale = None
if not locale:
locale = get_locale()
locale_file = utils.get_script_directory() + f"/i18n/qm/{locale}.qm"
translator.load(locale_file)
app.installTranslator(translator)
tr.translate()
hotkeys = Hotkeys() # Create the instance after translations to ensure hotkeys are translated
# represents the index of columns in instructions restore table
INSTR_ADDR_COL = 0
INSTR_AOB_COL = 1
INSTR_NAME_COL = 2
# represents the index of columns in breakpoint table
BREAK_NUM_COL = 0
BREAK_TYPE_COL = 1
BREAK_DISP_COL = 2
BREAK_ENABLED_COL = 3
BREAK_ADDR_COL = 4
BREAK_SIZE_COL = 5
BREAK_ON_HIT_COL = 6
BREAK_HIT_COUNT_COL = 7
BREAK_COND_COL = 8
# row colors for disassemble qtablewidget
PC_COLOR = QColorConstants.Blue
BOOKMARK_COLOR = QColorConstants.Cyan
BREAKPOINT_COLOR = QColorConstants.Red
REF_COLOR = QColorConstants.LightGray
# represents the index of columns in address table
FROZEN_COL = 0 # Frozen
DESC_COL = 1 # Description
ADDR_COL = 2 # Address
TYPE_COL = 3 # Type
VALUE_COL = 4 # Value
# represents the index of columns in search results table
SEARCH_TABLE_ADDRESS_COL = 0
SEARCH_TABLE_VALUE_COL = 1
SEARCH_TABLE_PREVIOUS_COL = 2
# represents the index of columns in disassemble table
DISAS_ADDR_COL = 0
DISAS_BYTES_COL = 1
DISAS_OPCODES_COL = 2
DISAS_COMMENT_COL = 3
# represents the index of columns in floating point table
FLOAT_REGISTERS_NAME_COL = 0
FLOAT_REGISTERS_VALUE_COL = 1
# represents the index of columns in stacktrace table
STACKTRACE_RETURN_ADDRESS_COL = 0
STACKTRACE_FRAME_ADDRESS_COL = 1
# represents the index of columns in stack table
STACK_POINTER_ADDRESS_COL = 0
STACK_VALUE_COL = 1
STACK_POINTS_TO_COL = 2
# represents row and column counts of Hex table
HEX_VIEW_COL_COUNT = 16
HEX_VIEW_ROW_COUNT = 42 # J-JUST A COINCIDENCE, I SWEAR!
# represents the index of columns in track watchpoint table(what accesses this address thingy)
TRACK_WATCHPOINT_COUNT_COL = 0
TRACK_WATCHPOINT_ADDR_COL = 1
# represents the index of columns in track breakpoint table(which addresses this instruction accesses thingy)
TRACK_BREAKPOINT_COUNT_COL = 0
TRACK_BREAKPOINT_ADDR_COL = 1
TRACK_BREAKPOINT_VALUE_COL = 2
TRACK_BREAKPOINT_SOURCE_COL = 3
# represents the index of columns in function info table
FUNCTIONS_INFO_ADDR_COL = 0
FUNCTIONS_INFO_SYMBOL_COL = 1
# represents the index of columns in libpince reference resources table
LIBPINCE_REFERENCE_ITEM_COL = 0
LIBPINCE_REFERENCE_VALUE_COL = 1
# represents the index of columns in search opcode table
SEARCH_OPCODE_ADDR_COL = 0
SEARCH_OPCODE_OPCODES_COL = 1
# represents the index of columns in memory regions table
MEMORY_REGIONS_ADDR_COL = 0
MEMORY_REGIONS_PERM_COL = 1
MEMORY_REGIONS_OFFSET_COL = 2
MEMORY_REGIONS_PATH_COL = 3
# represents the index of columns in dissect code table
DISSECT_CODE_ADDR_COL = 0
DISSECT_CODE_PATH_COL = 1
# represents the index of columns in referenced strings table
REF_STR_ADDR_COL = 0
REF_STR_COUNT_COL = 1
REF_STR_VAL_COL = 2
# represents the index of columns in referenced calls table
REF_CALL_ADDR_COL = 0
REF_CALL_COUNT_COL = 1
# GDB expression cache
# TODO: Try to find a fast and non-gdb way to calculate symbols so we don't need this
# This is one of the few tricks we do to minimize examine_expression calls
# This solution might bring problems if the symbols are changing frequently
# Pressing the refresh button in the address table or attaching to a new process will clear this cache
# Currently only used in address_table_loop
exp_cache = {}
# vars for communication with the non blocking threads
exiting = 0
scanmem = Scanmem(os.path.join(utils.get_libpince_directory(), "libscanmem", "libscanmem.so"))
ptrscan = PointerScan(os.path.join(utils.get_libpince_directory(), "libptrscan", "libptrscan.so"))
ptrscan.set_pointer_offset_symbol("->")
threadpool = QThreadPool()
# Placeholder number, may have to be changed in the future
threadpool.setMaxThreadCount(10)
class ProcessSignals(QObject):
attach = pyqtSignal()
exit = pyqtSignal()
process_signals = ProcessSignals()
class WorkerSignals(QObject):
finished = pyqtSignal()
class Worker(QRunnable):
def __init__(self, fn, *args, **kwargs):
super().__init__()
self.fn = fn
self.args = args
self.kwargs = kwargs
self.signals = WorkerSignals()
def run(self):
self.fn(*self.args, **self.kwargs)
self.signals.finished.emit()
class InterruptableWorker(QThread):
def __init__(self, fn, *args, **kwargs):
super().__init__()
self.fn = fn
self.args = args
self.kwargs = kwargs
self.signals = WorkerSignals()
def run(self):
self.fn(*self.args, **self.kwargs)
self.signals.finished.emit()
def stop(self):
self.terminate()
def except_hook(exception_type, value, tb):
focused_widget = app.focusWidget()
if focused_widget and exception_type == typedefs.GDBInitializeException:
QMessageBox.information(focused_widget, tr.ERROR, tr.GDB_INIT)
traceback.print_exception(exception_type, value, tb)
# From version 5.5 and onwards, PyQT calls qFatal() when an exception has been encountered
# So, we must override sys.excepthook to avoid calling of qFatal()
sys.excepthook = except_hook
quit_prompt_active = False
def signal_handler(signal, frame):
global quit_prompt_active
with QSignalBlocker(app):
if debugcore.lock_send_command.locked():
print("\nCancelling the last GDB command")
debugcore.cancel_last_command()
else:
if quit_prompt_active:
print() # Prints a newline so the terminal looks nicer when we quit
debugcore.detach()
quit()
quit_prompt_active = True
print("\nNo GDB command to cancel, quit PINCE? (y/n)", end="", flush=True)
while True:
# Using select() instead of input() because it causes the bug below
# QBackingStore::endPaint() called with active painter
rlist, _, _ = select.select([sys.stdin], [], [], 0.1)
if rlist:
user_input = sys.stdin.readline().strip().lower()
break
if user_input.startswith("y"):
debugcore.detach()
quit()
else:
print("Quit aborted")
quit_prompt_active = False
signal.signal(signal.SIGINT, signal_handler)
# Checks if the inferior has been terminated
class AwaitProcessExit(QThread):
process_exited = pyqtSignal()
def run(self):
while True:
with debugcore.process_exited_condition:
debugcore.process_exited_condition.wait()
self.process_exited.emit()
# Await async output from gdb
class AwaitAsyncOutput(QThread):
async_output_ready = pyqtSignal(str)
def __init__(self):
super().__init__()
self.queue_active = True
def run(self):
async_output_queue = debugcore.gdb_async_output.register_queue()
while self.queue_active:
try:
async_output = async_output_queue.get(timeout=5)
except queue.Empty:
pass
else:
self.async_output_ready.emit(async_output)
debugcore.gdb_async_output.delete_queue(async_output_queue)
def stop(self):
self.queue_active = False
class CheckInferiorStatus(QThread):
process_stopped = pyqtSignal()
process_running = pyqtSignal()
def run(self):
while True:
with debugcore.status_changed_condition:
debugcore.status_changed_condition.wait()
if debugcore.inferior_status == typedefs.INFERIOR_STATUS.STOPPED:
self.process_stopped.emit()
elif debugcore.inferior_status == typedefs.INFERIOR_STATUS.RUNNING:
self.process_running.emit()
class MainForm(QMainWindow, MainWindow):
table_update_interval: int = 500
freeze_interval: int = 100
update_table: bool = True
auto_attach: str = ""
auto_attach_regex: bool = False
def __init__(self):
super().__init__()
self.setupUi(self)
self.hotkey_to_shortcut = {}
hotkey_to_func = {
hotkeys.pause_hotkey: self.pause_hotkey_pressed,
hotkeys.break_hotkey: self.break_hotkey_pressed,
hotkeys.continue_hotkey: self.continue_hotkey_pressed,
hotkeys.toggle_attach_hotkey: self.toggle_attach_hotkey_pressed,
hotkeys.exact_scan_hotkey: lambda: self.nextscan_hotkey_pressed(typedefs.SCAN_TYPE.EXACT),
hotkeys.increased_scan_hotkey: lambda: self.nextscan_hotkey_pressed(typedefs.SCAN_TYPE.INCREASED),
hotkeys.decreased_scan_hotkey: lambda: self.nextscan_hotkey_pressed(typedefs.SCAN_TYPE.DECREASED),
hotkeys.changed_scan_hotkey: lambda: self.nextscan_hotkey_pressed(typedefs.SCAN_TYPE.CHANGED),
hotkeys.unchanged_scan_hotkey: lambda: self.nextscan_hotkey_pressed(typedefs.SCAN_TYPE.UNCHANGED),
}
for hotkey, func in hotkey_to_func.items():
hotkey.change_func(func)
self.treeWidget_AddressTable.setColumnWidth(FROZEN_COL, 50)
self.treeWidget_AddressTable.setColumnWidth(DESC_COL, 150)
self.treeWidget_AddressTable.setColumnWidth(ADDR_COL, 150)
self.treeWidget_AddressTable.setColumnWidth(TYPE_COL, 150)
self.tableWidget_valuesearchtable.setColumnWidth(SEARCH_TABLE_ADDRESS_COL, 110)
self.tableWidget_valuesearchtable.setColumnWidth(SEARCH_TABLE_VALUE_COL, 80)
self.settings = QSettings()
self.memory_view_window = MemoryViewWindowForm(self)
self.await_exit_thread = AwaitProcessExit()
self.auto_attach_timer = QTimer(timeout=self.auto_attach_loop)
if not os.path.exists(self.settings.fileName()):
self.set_default_settings()
try:
settings_version = self.settings.value("Misc/version", type=str)
except Exception as e:
print("An exception occurred while reading settings version\n", e)
settings_version = None
if settings_version != settings.current_settings_version:
print("Settings version mismatch, rolling back to the default configuration")
self.settings.clear()
self.set_default_settings()
try:
self.apply_settings()
except Exception as e:
print("An exception occurred while loading settings, rolling back to the default configuration\n", e)
self.settings.clear()
self.set_default_settings()
gdb_path = settings.gdb_path
if os.environ.get("APPDIR"):
gdb_path = utils.get_default_gdb_path()
if debugcore.init_gdb(gdb_path):
self.apply_after_init()
else:
InputDialogForm(self, [(tr.GDB_INIT_ERROR, None)], buttons=[QDialogButtonBox.StandardButton.Ok]).exec()
self.await_exit_thread.process_exited.connect(self.on_inferior_exit)
self.await_exit_thread.start()
self.check_status_thread = CheckInferiorStatus()
self.check_status_thread.process_stopped.connect(self.on_status_stopped)
self.check_status_thread.process_running.connect(self.on_status_running)
self.check_status_thread.process_stopped.connect(self.memory_view_window.process_stopped)
self.check_status_thread.process_running.connect(self.memory_view_window.process_running)
self.check_status_thread.start()
self.address_table_timer = QTimer(timeout=self.address_table_loop, singleShot=True)
self.address_table_timer.start()
self.search_table_timer = QTimer(timeout=self.search_table_loop, singleShot=True)
self.search_table_timer.start()
self.freeze_timer = QTimer(timeout=self.freeze_loop, singleShot=True)
self.freeze_timer.start()
self.shortcut_open_file = QShortcut(QKeySequence("Ctrl+O"), self)
self.shortcut_open_file.activated.connect(self.pushButton_Open_clicked)
guiutils.append_shortcut_to_tooltip(self.pushButton_Open, self.shortcut_open_file)
self.shortcut_save_file = QShortcut(QKeySequence("Ctrl+S"), self)
self.shortcut_save_file.activated.connect(self.pushButton_Save_clicked)
guiutils.append_shortcut_to_tooltip(self.pushButton_Save, self.shortcut_save_file)
# Saving the original function because super() doesn't work when we override functions like this
self.treeWidget_AddressTable.keyPressEvent_original = self.treeWidget_AddressTable.keyPressEvent
self.treeWidget_AddressTable.keyPressEvent = self.treeWidget_AddressTable_key_press_event
self.treeWidget_AddressTable.contextMenuEvent = self.treeWidget_AddressTable_context_menu_event
self.pushButton_AttachProcess.clicked.connect(self.pushButton_AttachProcess_clicked)
self.pushButton_Open.clicked.connect(self.pushButton_Open_clicked)
self.pushButton_Save.clicked.connect(self.pushButton_Save_clicked)
self.pushButton_NewFirstScan.clicked.connect(self.pushButton_NewFirstScan_clicked)
self.pushButton_UndoScan.clicked.connect(self.pushButton_UndoScan_clicked)
self.pushButton_NextScan.clicked.connect(self.pushButton_NextScan_clicked)
self.scan_mode = typedefs.SCAN_MODE.NEW
self.pushButton_NewFirstScan_clicked()
self.comboBox_ScanScope_init()
self.comboBox_ValueType_init()
guiutils.fill_endianness_combobox(self.comboBox_Endianness)
self.checkBox_Hex.stateChanged.connect(self.checkBox_Hex_stateChanged)
self.comboBox_ValueType.currentIndexChanged.connect(self.comboBox_ValueType_current_index_changed)
self.lineEdit_Scan.setValidator(guiutils.validator_map.get("int"))
self.lineEdit_Scan2.setValidator(guiutils.validator_map.get("int"))
self.lineEdit_Scan.keyPressEvent_original = self.lineEdit_Scan.keyPressEvent
self.lineEdit_Scan2.keyPressEvent_original = self.lineEdit_Scan2.keyPressEvent
self.lineEdit_Scan.keyPressEvent = self.lineEdit_Scan_on_key_press_event
self.lineEdit_Scan2.keyPressEvent = self.lineEdit_Scan2_on_key_press_event
self.comboBox_ScanType.currentIndexChanged.connect(self.comboBox_ScanType_current_index_changed)
self.comboBox_ScanType_current_index_changed()
self.pushButton_Settings.clicked.connect(self.pushButton_Settings_clicked)
self.pushButton_Console.clicked.connect(self.pushButton_Console_clicked)
self.pushButton_Wiki.clicked.connect(self.pushButton_Wiki_clicked)
self.pushButton_About.clicked.connect(self.pushButton_About_clicked)
self.pushButton_AddAddressManually.clicked.connect(self.pushButton_AddAddressManually_clicked)
self.pushButton_MemoryView.clicked.connect(self.pushButton_MemoryView_clicked)
self.pushButton_RefreshAdressTable.clicked.connect(self.pushButton_RefreshAdressTable_clicked)
self.pushButton_CopyToAddressTable.clicked.connect(self.copy_to_address_table)
self.pushButton_CleanAddressTable.clicked.connect(self.clear_address_table)
self.tableWidget_valuesearchtable.cellDoubleClicked.connect(
self.tableWidget_valuesearchtable_cell_double_clicked
)
self.tableWidget_valuesearchtable.keyPressEvent_original = self.tableWidget_valuesearchtable.keyPressEvent
self.tableWidget_valuesearchtable.keyPressEvent = self.tableWidget_valuesearchtable_key_press_event
self.treeWidget_AddressTable.itemClicked.connect(self.treeWidget_AddressTable_item_clicked)
self.treeWidget_AddressTable.itemDoubleClicked.connect(self.treeWidget_AddressTable_item_double_clicked)
self.treeWidget_AddressTable.expanded.connect(self.resize_address_table)
self.treeWidget_AddressTable.collapsed.connect(self.resize_address_table)
icons_directory = guiutils.get_icons_directory()
self.pushButton_AttachProcess.setIcon(QIcon(QPixmap(icons_directory + "/monitor.png")))
self.pushButton_Open.setIcon(QIcon(QPixmap(icons_directory + "/folder.png")))
self.pushButton_Save.setIcon(QIcon(QPixmap(icons_directory + "/disk.png")))
self.pushButton_Settings.setIcon(QIcon(QPixmap(icons_directory + "/wrench.png")))
self.pushButton_CopyToAddressTable.setIcon(QIcon(QPixmap(icons_directory + "/arrow_down.png")))
self.pushButton_CleanAddressTable.setIcon(QIcon(QPixmap(icons_directory + "/bin_closed.png")))
self.pushButton_RefreshAdressTable.setIcon(QIcon(QPixmap(icons_directory + "/table_refresh.png")))
self.pushButton_Console.setIcon(QIcon(QPixmap(icons_directory + "/application_xp_terminal.png")))
self.pushButton_Wiki.setIcon(QIcon(QPixmap(icons_directory + "/book_open.png")))
self.pushButton_About.setIcon(QIcon(QPixmap(icons_directory + "/information.png")))
self.pushButton_NextScan.setEnabled(False)
self.pushButton_UndoScan.setEnabled(False)
self.flashAttachButton = True
self.flashAttachButtonTimer = QTimer()
self.flashAttachButtonTimer.timeout.connect(self.flash_attach_button)
self.flashAttachButton_gradiantState = 0
self.flashAttachButtonTimer.start(100)
guiutils.center(self)
# Please refrain from using python specific objects in settings, use json-compatible ones instead
# Using python objects causes issues when filenames change
def set_default_settings(self):
self.settings.beginGroup("General")
self.settings.setValue("auto_update_address_table", MainForm.update_table)
self.settings.setValue("address_table_update_interval", MainForm.table_update_interval)
self.settings.setValue("freeze_interval", MainForm.freeze_interval)
self.settings.setValue("gdb_output_mode", json.dumps([True, True, True]))
self.settings.setValue("auto_attach", MainForm.auto_attach)
self.settings.setValue("auto_attach_regex", MainForm.auto_attach_regex)
self.settings.setValue("locale", get_locale())
self.settings.setValue("logo_path", "ozgurozbek/pince_small_transparent.png")
self.settings.setValue("theme", "System Default")
self.settings.endGroup()
self.settings.beginGroup("Hotkeys")
for hotkey in hotkeys.get_hotkeys():
self.settings.setValue(hotkey.name, hotkey.default)
self.settings.endGroup()
self.settings.beginGroup("CodeInjection")
self.settings.setValue("code_injection_method", typedefs.INJECTION_METHOD.DLOPEN)
self.settings.endGroup()
self.settings.beginGroup("MemoryView")
self.settings.setValue("show_memory_view_on_stop", False)
self.settings.setValue("instructions_per_scroll", MemoryViewWindowForm.instructions_per_scroll)
self.settings.setValue("bytes_per_scroll", MemoryViewWindowForm.bytes_per_scroll)
self.settings.endGroup()
self.settings.beginGroup("Debug")
self.settings.setValue("gdb_path", typedefs.PATHS.GDB)
self.settings.setValue("gdb_logging", False)
self.settings.setValue("interrupt_signal", "SIGINT")
self.settings.setValue("handle_signals", json.dumps(settings.default_signals))
self.settings.endGroup()
self.settings.beginGroup("Java")
self.settings.setValue("ignore_segfault", True)
self.settings.endGroup()
self.settings.beginGroup("Misc")
self.settings.setValue("version", settings.current_settings_version)
self.settings.endGroup()
self.apply_settings()
def apply_after_init(self):
global exp_cache
exp_cache.clear()
settings.gdb_logging = self.settings.value("Debug/gdb_logging", type=bool)
settings.interrupt_signal = self.settings.value("Debug/interrupt_signal", type=str)
settings.handle_signals = json.loads(self.settings.value("Debug/handle_signals", type=str))
java_ignore_segfault = self.settings.value("Java/ignore_segfault", type=bool)
debugcore.set_logging(settings.gdb_logging)
# Don't handle signals if a process isn't present, a small optimization to gain time on launch and detach
if debugcore.currentpid != -1:
debugcore.handle_signals(settings.handle_signals)
# Not a great method but okayish until the implementation of the libpince engine and the java dissector
# "jps" command could be used instead if we ever need to install openjdk
if java_ignore_segfault and utils.get_process_name(debugcore.currentpid).startswith("java"):
debugcore.handle_signal("SIGSEGV", False, True)
debugcore.set_interrupt_signal(settings.interrupt_signal) # Needs to be called after handle_signals
def apply_settings(self):
self.update_table = self.settings.value("General/auto_update_address_table", type=bool)
self.table_update_interval = self.settings.value("General/address_table_update_interval", type=int)
self.freeze_interval = self.settings.value("General/freeze_interval", type=int)
settings.gdb_output_mode = json.loads(self.settings.value("General/gdb_output_mode", type=str))
settings.gdb_output_mode = typedefs.gdb_output_mode(*settings.gdb_output_mode)
self.auto_attach = self.settings.value("General/auto_attach", type=str)
self.auto_attach_regex = self.settings.value("General/auto_attach_regex", type=bool)
if self.auto_attach:
self.auto_attach_timer.start(100)
else:
self.auto_attach_timer.stop()
settings.locale = self.settings.value("General/locale", type=str)
app.setWindowIcon(
QIcon(os.path.join(utils.get_logo_directory(), self.settings.value("General/logo_path", type=str)))
)
app.setPalette(get_theme(self.settings.value("General/theme", type=str)))
debugcore.set_gdb_output_mode(settings.gdb_output_mode)
for hotkey in hotkeys.get_hotkeys():
try:
hotkey.change_key(self.settings.value("Hotkeys/" + hotkey.name))
except:
# if the hotkey cannot be applied for whatever reason, reset it to the default
self.settings.setValue("Hotkeys/" + hotkey.name, hotkey.default)
hotkey.change_key(hotkey.default)
try:
self.memory_view_window.set_dynamic_debug_hotkeys()
except AttributeError:
pass
settings.code_injection_method = self.settings.value("CodeInjection/code_injection_method", type=int)
self.memory_view_window.show_memory_view_on_stop = self.settings.value(
"MemoryView/show_memory_view_on_stop", type=bool
)
self.memory_view_window.instructions_per_scroll = self.settings.value(
"MemoryView/instructions_per_scroll", type=int
)
self.memory_view_window.bytes_per_scroll = self.settings.value("MemoryView/bytes_per_scroll", type=int)
settings.gdb_path = self.settings.value("Debug/gdb_path", type=str)
if debugcore.gdb_initialized:
self.apply_after_init()
# Check if any process should be attached to automatically
# Patterns at former positions have higher priority if regex is off
def auto_attach_loop(self):
if debugcore.currentpid != -1:
return
if self.auto_attach_regex:
try:
compiled_re = re.compile(self.auto_attach)
except:
print(f"Auto-attach failed: {self.auto_attach} isn't a valid regex")
return
for pid, _, name in utils.get_process_list():
if compiled_re.search(name):
self.attach_to_pid(int(pid))
return
else:
for target in self.auto_attach.split(";"):
for pid, _, name in utils.get_process_list():
if name.find(target) != -1:
self.attach_to_pid(int(pid))
return
# Keyboard package has an issue with exceptions, any trigger function that throws an exception stops the event loop
# Writing a custom event loop instead of ignoring exceptions could work as well but honestly, this looks cleaner
# Keyboard package does not play well with Qt, do not use anything Qt related with hotkeys
# Instead of using Qt functions, try to use their signals to prevent crashes
@utils.ignore_exceptions
def pause_hotkey_pressed(self):
if not debugcore.active_trace:
debugcore.interrupt_inferior(typedefs.STOP_REASON.PAUSE)
@utils.ignore_exceptions
def break_hotkey_pressed(self):
if not debugcore.active_trace:
debugcore.interrupt_inferior()
@utils.ignore_exceptions
def continue_hotkey_pressed(self):
if not (
debugcore.currentpid == -1
or debugcore.inferior_status == typedefs.INFERIOR_STATUS.RUNNING
or debugcore.active_trace
):
debugcore.continue_inferior()
@utils.ignore_exceptions
def toggle_attach_hotkey_pressed(self):
result = debugcore.toggle_attach()
if not result:
print("Unable to toggle attach")
elif result == typedefs.TOGGLE_ATTACH.DETACHED:
self.on_status_detached()
else:
# Attaching back doesn't update the status if the process is already stopped before detachment
with debugcore.status_changed_condition:
debugcore.status_changed_condition.notify_all()
@utils.ignore_exceptions
def nextscan_hotkey_pressed(self, index):
if self.scan_mode == typedefs.SCAN_MODE.NEW:
return
self.comboBox_ScanType.setCurrentIndex(index)
self.pushButton_NextScan.clicked.emit()
def treeWidget_AddressTable_context_menu_event(self, event):
current_row = guiutils.get_current_item(self.treeWidget_AddressTable)
header = self.treeWidget_AddressTable.headerItem()
menu = QMenu()
delete_record = menu.addAction(f"{tr.DELETE}[Del]")
edit_menu = menu.addMenu(tr.EDIT)
edit_desc = edit_menu.addAction(f"{header.text(DESC_COL)}[Ctrl+Enter]")
edit_address = edit_menu.addAction(f"{header.text(ADDR_COL)}[Ctrl+Alt+Enter]")
edit_type = edit_menu.addAction(f"{header.text(TYPE_COL)}[Alt+Enter]")
edit_value = edit_menu.addAction(f"{header.text(VALUE_COL)}[Enter]")
show_hex = menu.addAction(tr.SHOW_HEX)
show_dec = menu.addAction(tr.SHOW_DEC)
show_unsigned = menu.addAction(tr.SHOW_UNSIGNED)
show_signed = menu.addAction(tr.SHOW_SIGNED)
toggle_record = menu.addAction(f"{tr.TOGGLE}[Space]")
toggle_children = menu.addAction(f"{tr.TOGGLE_CHILDREN}[Ctrl+Space]")
freeze_menu = menu.addMenu(tr.FREEZE)
freeze_default = freeze_menu.addAction(tr.DEFAULT)
freeze_inc = freeze_menu.addAction(tr.INCREMENTAL)
freeze_dec = freeze_menu.addAction(tr.DECREMENTAL)
menu.addSeparator()
browse_region = menu.addAction(f"{tr.BROWSE_MEMORY_REGION}[Ctrl+B]")
disassemble = menu.addAction(f"{tr.DISASSEMBLE_ADDRESS}[Ctrl+D]")
menu.addSeparator()
pointer_scanner = menu.addAction(tr.POINTER_SCANNER)
pointer_scan = menu.addAction(tr.POINTER_SCAN)
menu.addSeparator()
what_writes = menu.addAction(tr.WHAT_WRITES)
what_reads = menu.addAction(tr.WHAT_READS)
what_accesses = menu.addAction(tr.WHAT_ACCESSES)
menu.addSeparator()
cut_record = menu.addAction(f"{tr.CUT}[Ctrl+X]")
copy_record = menu.addAction(f"{tr.COPY}[Ctrl+C]")
paste_record = menu.addAction(f"{tr.PASTE}[Ctrl+V]")
paste_inside = menu.addAction(f"{tr.PASTE_INSIDE}[V]")
menu.addSeparator()
add_group = menu.addAction(tr.ADD_GROUP)
create_group = menu.addAction(tr.CREATE_GROUP)
if current_row is None:
deletion_list = [
edit_menu.menuAction(),
show_hex,
show_dec,
show_unsigned,
show_signed,
toggle_record,
toggle_children,
freeze_menu.menuAction(),
browse_region,
disassemble,
pointer_scan,
what_writes,
what_reads,
what_accesses,
cut_record,
copy_record,
paste_inside,
delete_record,
add_group,
]
guiutils.delete_menu_entries(menu, deletion_list)
else:
value_type = current_row.data(TYPE_COL, Qt.ItemDataRole.UserRole)
if typedefs.VALUE_INDEX.is_integer(value_type.value_index):
if value_type.value_repr is typedefs.VALUE_REPR.HEX:
guiutils.delete_menu_entries(menu, [show_unsigned, show_signed, show_hex])
elif value_type.value_repr is typedefs.VALUE_REPR.UNSIGNED:
guiutils.delete_menu_entries(menu, [show_unsigned, show_dec])
elif value_type.value_repr is typedefs.VALUE_REPR.SIGNED:
guiutils.delete_menu_entries(menu, [show_signed, show_dec])
if current_row.checkState(FROZEN_COL) == Qt.CheckState.Unchecked:
guiutils.delete_menu_entries(menu, [freeze_menu.menuAction()])
else:
guiutils.delete_menu_entries(
menu, [show_hex, show_dec, show_unsigned, show_signed, freeze_menu.menuAction()]
)
if current_row.childCount() == 0:
guiutils.delete_menu_entries(menu, [toggle_children])
guiutils.delete_menu_entries(menu, [pointer_scanner])
if debugcore.currentpid == -1:
browse_region.setEnabled(False)
disassemble.setEnabled(False)
pointer_scan.setEnabled(False)
if not debugcore.is_attached():
what_writes.setEnabled(False)
what_reads.setEnabled(False)
what_accesses.setEnabled(False)
font_size = self.treeWidget_AddressTable.font().pointSize()
menu.setStyleSheet("font-size: " + str(font_size) + "pt;")
action = menu.exec(event.globalPos())
actions = {
delete_record: self.delete_records,
edit_desc: self.treeWidget_AddressTable_edit_desc,
edit_address: self.treeWidget_AddressTable_edit_address,
edit_type: self.treeWidget_AddressTable_edit_type,
edit_value: self.treeWidget_AddressTable_edit_value,
show_hex: lambda: self.treeWidget_AddressTable_change_repr(typedefs.VALUE_REPR.HEX),
show_dec: lambda: self.treeWidget_AddressTable_change_repr(typedefs.VALUE_REPR.UNSIGNED),
show_unsigned: lambda: self.treeWidget_AddressTable_change_repr(typedefs.VALUE_REPR.UNSIGNED),
show_signed: lambda: self.treeWidget_AddressTable_change_repr(typedefs.VALUE_REPR.SIGNED),
toggle_record: self.toggle_records,
toggle_children: lambda: self.toggle_records(True),
freeze_default: lambda: self.change_freeze_type(typedefs.FREEZE_TYPE.DEFAULT),
freeze_inc: lambda: self.change_freeze_type(typedefs.FREEZE_TYPE.INCREMENT),
freeze_dec: lambda: self.change_freeze_type(typedefs.FREEZE_TYPE.DECREMENT),
browse_region: self.browse_region_for_selected_row,
disassemble: self.disassemble_selected_row,
pointer_scanner: self.exec_pointer_scanner,
pointer_scan: self.exec_pointer_scan,
what_writes: lambda: self.exec_track_watchpoint_widget(typedefs.WATCHPOINT_TYPE.WRITE_ONLY),
what_reads: lambda: self.exec_track_watchpoint_widget(typedefs.WATCHPOINT_TYPE.READ_ONLY),
what_accesses: lambda: self.exec_track_watchpoint_widget(typedefs.WATCHPOINT_TYPE.BOTH),
cut_record: self.cut_records,
copy_record: self.copy_records,
paste_record: self.paste_records,
paste_inside: lambda: self.paste_records(True),
add_group: self.group_records,
create_group: self.create_group,
}
try:
actions[action]()
except KeyError:
pass
def exec_pointer_scanner(self):
pointer_window = PointerScanWindowForm(self)
pointer_window.show()
def exec_pointer_scan(self):
selected_row = guiutils.get_current_item(self.treeWidget_AddressTable)
if not selected_row:
return
address = selected_row.text(ADDR_COL).strip("P->")
pointer_window = PointerScanWindowForm(self)
pointer_window.show()
dialog = PointerScanSearchDialogForm(pointer_window, address)
dialog.exec()
def exec_track_watchpoint_widget(self, watchpoint_type):
selected_row = guiutils.get_current_item(self.treeWidget_AddressTable)
if not selected_row:
return
address = selected_row.text(ADDR_COL).strip("P->") # @todo Maybe rework address grabbing logic in the future
address_data = selected_row.data(ADDR_COL, Qt.ItemDataRole.UserRole)
if isinstance(address_data, typedefs.PointerChainRequest):
selection_dialog = TrackSelectorDialogForm(self)
selection_dialog.exec()
if not selection_dialog.selection:
return
if selection_dialog.selection == "pointer":
address = address_data.get_base_address_as_str()
value_type = selected_row.data(TYPE_COL, Qt.ItemDataRole.UserRole)
if typedefs.VALUE_INDEX.is_string(value_type.value_index):
value_text = selected_row.text(VALUE_COL)
encoding, option = typedefs.string_index_to_encoding_dict[value_type.value_index]
byte_len = len(value_text.encode(encoding, option))
elif value_type.value_index == typedefs.VALUE_INDEX.AOB:
byte_len = value_type.length
else:
byte_len = typedefs.index_to_valuetype_dict[value_type.value_index][0]
TrackWatchpointWidgetForm(self, address, byte_len, watchpoint_type)
def browse_region_for_selected_row(self):
row = guiutils.get_current_item(self.treeWidget_AddressTable)
if row:
self.memory_view_window.hex_dump_address(int(row.text(ADDR_COL).strip("P->"), 16))
self.memory_view_window.show()
self.memory_view_window.activateWindow()
def disassemble_selected_row(self):
row = guiutils.get_current_item(self.treeWidget_AddressTable)
if row:
if self.memory_view_window.disassemble_expression(
row.text(ADDR_COL).strip("P->"), append_to_travel_history=True
):
self.memory_view_window.show()
self.memory_view_window.activateWindow()
def change_freeze_type(self, freeze_type):
for row in self.treeWidget_AddressTable.selectedItems():
frozen = row.data(FROZEN_COL, Qt.ItemDataRole.UserRole)
frozen.freeze_type = freeze_type
if freeze_type == typedefs.FREEZE_TYPE.DEFAULT:
row.setText(FROZEN_COL, "")
row.setForeground(FROZEN_COL, QBrush())
elif freeze_type == typedefs.FREEZE_TYPE.INCREMENT:
row.setText(FROZEN_COL, "▲")
row.setForeground(FROZEN_COL, QBrush(QColor(0, 255, 0)))
elif freeze_type == typedefs.FREEZE_TYPE.DECREMENT:
row.setText(FROZEN_COL, "▼")
row.setForeground(FROZEN_COL, QBrush(QColor(255, 0, 0)))
def toggle_records(self, toggle_children=False):
row = guiutils.get_current_item(self.treeWidget_AddressTable)
if row:
check_state = row.checkState(FROZEN_COL)
new_state = Qt.CheckState.Checked if check_state == Qt.CheckState.Unchecked else Qt.CheckState.Unchecked
for row in self.treeWidget_AddressTable.selectedItems():
row.setCheckState(FROZEN_COL, new_state)
self.treeWidget_AddressTable_item_clicked(row, FROZEN_COL)
if toggle_children:
for index in range(row.childCount()):
child = row.child(index)
child.setCheckState(FROZEN_COL, new_state)
self.treeWidget_AddressTable_item_clicked(child, FROZEN_COL)
def cut_records(self):
self.copy_records()
self.delete_records()
def copy_records(self):
# Recursive copy
items = self.treeWidget_AddressTable.selectedItems()
def index_of(item):
"""Returns the index used to access the given QTreeWidgetItem
as a list of ints."""
result = []
while True:
parent = item.parent()
if parent:
result.append(parent.indexOfChild(item))
item = parent
else:
result.append(item.treeWidget().indexOfTopLevelItem(item))
return result[::-1]
# First, order the items by their indices in the tree widget.
# Store the indices for later usage.
index_items = [(index_of(item), item) for item in items]
index_items.sort(key=lambda x: x[0]) # sort by index
# Now filter any selected items that is a descendant of another selected items.
items = []
last_index = [-1] # any invalid list of indices are fine
for index, item in index_items:
if index[: len(last_index)] == last_index:
continue # this item is a descendant of the last item
items.append(item)
last_index = index
app.clipboard().setText(repr([self.read_address_table_recursively(item) for item in items]))
def insert_records(self, records, parent_row, insert_index):
# parent_row should be a QTreeWidgetItem in treeWidget_AddressTable
# records should be an iterable of valid output of read_address_table_recursively
assert isinstance(parent_row, QTreeWidgetItem)
rows = []
for rec in records:
row = QTreeWidgetItem()
row.setCheckState(FROZEN_COL, Qt.CheckState.Unchecked)
frozen = typedefs.Frozen("", typedefs.FREEZE_TYPE.DEFAULT)
row.setData(FROZEN_COL, Qt.ItemDataRole.UserRole, frozen)
# Deserialize the address_expr & value_type param
if type(rec[1]) in [list, tuple]:
address_expr = typedefs.PointerChainRequest(*rec[1])
else:
address_expr = rec[1]
value_type = typedefs.ValueType(*rec[2])
self.change_address_table_entries(row, rec[0], address_expr, value_type)
self.insert_records(rec[-1], row, 0)
rows.append(row)