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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/>.
"""
from PyQt5.QtGui import QIcon, QMovie, QPixmap, QCursor, QKeySequence, QColor, QTextCharFormat, QBrush, QTextCursor, \
QKeyEvent, QRegExpValidator
from PyQt5.QtWidgets import QApplication, QMainWindow, QTableWidgetItem, QMessageBox, QDialog, QWidget, \
QShortcut, QKeySequenceEdit, QTabWidget, QMenu, QFileDialog, QAbstractItemView, QTreeWidgetItem, \
QTreeWidgetItemIterator, QCompleter, QLabel, QLineEdit, QComboBox, QDialogButtonBox, QCheckBox, QHBoxLayout, \
QPushButton, QFrame
from PyQt5.QtCore import Qt, QThread, pyqtSignal, QSize, QByteArray, QSettings, QEvent, \
QItemSelectionModel, QTimer, QModelIndex, QStringListModel, QRegExp, QRunnable, QThreadPool, pyqtSlot
from time import sleep, time
import os, sys, traceback, signal, re, copy, io, queue, collections, ast, psutil, pexpect
from libpince import GuiUtils, SysUtils, GDB_Engine, type_defs
from libpince.libscanmem.scanmem import Scanmem
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.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/CustomLabels/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.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.CustomAbstractTableModels.HexModel import QHexModel
from GUI.CustomAbstractTableModels.AsciiModel import QAsciiModel
from GUI.CustomValidators.HexValidator import QHexValidator
from keyboard import add_hotkey, remove_hotkey
from operator import add as opAdd, sub as opSub
instances = [] # Holds temporary instances that will be deleted later on
# settings
current_settings_version = "master-22" # Increase version by one if you change settings. Format: branch_name-version
update_table = bool
table_update_interval = int
FreezeInterval = int
show_messagebox_on_exception = bool
show_messagebox_on_toggle_attach = bool
gdb_output_mode = tuple
auto_attach_list = str
auto_attach_regex = bool
logo_path = str
class Hotkeys:
class Hotkey:
def __init__(self, name="", desc="", default="", func=None, custom="", handle=None):
self.name = name
self.desc = desc
self.default = default
self.func = func
self.custom = custom
if default == "" or func is None:
self.handle = handle
else:
self.handle = add_hotkey(default, func)
def change_key(self, custom):
if self.handle is not None:
remove_hotkey(self.handle)
self.handle = None
if custom == '':
return
self.handle = add_hotkey(custom.lower(), self.func)
def change_func(self, func):
self.func = func
if self.handle is not None:
remove_hotkey(self.handle)
if self.custom != "":
self.handle = add_hotkey(self.custom, func)
else:
self.handle = add_hotkey(self.default, func)
def get_active_key(self):
if self.custom == "":
return self.default
return self.custom
pause_hotkey = Hotkey("pause_hotkey", "Pause the process", "F1")
break_hotkey = Hotkey("break_hotkey", "Break the process", "F2")
continue_hotkey = Hotkey("continue_hotkey", "Continue the process", "F3")
toggle_attach_hotkey = Hotkey("toggle_attach_hotkey", "Toggle attach/detach", "Shift+F10")
@staticmethod
def get_hotkeys():
return Hotkeys.pause_hotkey, Hotkeys.break_hotkey, Hotkeys.continue_hotkey, Hotkeys.toggle_attach_hotkey
code_injection_method = int
bring_disassemble_to_front = bool
instructions_per_scroll = int
gdb_path = str
gdb_logging = bool
ignored_signals = str
signal_list = ["SIGUSR1", "SIGPWR", "SIGSEGV"]
# represents the index of columns in instructions restore table
INSTR_ADDR_COL = 0
INSTR_AOB_COL = 1
# 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 colours for disassemble qtablewidget
PC_COLOUR = Qt.blue
BOOKMARK_COLOUR = Qt.cyan
DEFAULT_COLOUR = Qt.white
BREAKPOINT_COLOUR = Qt.red
REF_COLOUR = Qt.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_SIZE_COL = 2
MEMORY_REGIONS_PATH_COL = 3
MEMORY_REGIONS_RSS_COL = 4
MEMORY_REGIONS_PSS_COL = 5
MEMORY_REGIONS_SHRCLN_COL = 6
MEMORY_REGIONS_SHRDRTY_COL = 7
MEMORY_REGIONS_PRIVCLN_COL = 8
MEMORY_REGIONS_PRIVDRTY_COL = 9
MEMORY_REGIONS_REF_COL = 10
MEMORY_REGIONS_ANON_COL = 11
MEMORY_REGIONS_SWAP_COL = 12
# 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
# used for automatically updating the values in the saved address tree widget
# see UpdateAddressTableThread
saved_addresses_changed_list = list()
# vars for communication/storage with the non blocking threads
Exiting = 0
ProgressRun = 0
threadpool = QThreadPool()
# Placeholder number, may have to be changed in the future
threadpool.setMaxThreadCount(10)
class Worker(QRunnable):
def __init__(self, fn, *args, **kwargs):
super(Worker, self).__init__()
self.fn = fn
self.args = args
self.kwargs = kwargs
@pyqtSlot()
def run(self):
self.fn(*self.args, **self.kwargs)
def except_hook(exception_type, value, tb):
if show_messagebox_on_exception:
focused_widget = app.focusWidget()
if focused_widget:
if exception_type == type_defs.GDBInitializeException:
QMessageBox.information(focused_widget, "Error", "GDB isn't initialized yet")
elif exception_type == type_defs.InferiorRunningException:
error_dialog = InputDialogForm(item_list=[(
"Process is running" + "\nPress " + Hotkeys.break_hotkey.get_active_key() + " to stop process" +
"\n\nGo to Settings->General to disable this dialog",)], buttons=[QDialogButtonBox.Ok])
error_dialog.exec_()
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
def signal_handler(signal, frame):
GDB_Engine.cancel_last_command()
raise KeyboardInterrupt
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 GDB_Engine.process_exited_condition:
GDB_Engine.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(AwaitAsyncOutput, self).__init__()
self.queue_active = True
def run(self):
async_output_queue = GDB_Engine.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)
GDB_Engine.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 GDB_Engine.status_changed_condition:
GDB_Engine.status_changed_condition.wait()
if GDB_Engine.inferior_status == type_defs.INFERIOR_STATUS.INFERIOR_STOPPED:
self.process_stopped.emit()
elif GDB_Engine.inferior_status == type_defs.INFERIOR_STATUS.INFERIOR_RUNNING:
self.process_running.emit()
# TODO undo scan, we would probably need to make some data structure we
# could pass to scanmem which then would set the current matches
# the mainwindow
class MainForm(QMainWindow, MainWindow):
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
}
for hotkey, func in hotkey_to_func.items():
hotkey.change_func(func)
GuiUtils.center(self)
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)
app.setOrganizationName("PINCE")
app.setOrganizationDomain("github.com/korcankaraokcu/PINCE")
app.setApplicationName("PINCE")
QSettings.setPath(QSettings.NativeFormat, QSettings.UserScope,
SysUtils.get_user_path(type_defs.USER_PATHS.CONFIG_PATH))
self.settings = QSettings()
if not SysUtils.is_path_valid(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 != 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 trying to load settings, rolling back to the default configuration\n", e)
self.settings.clear()
self.set_default_settings()
try:
GDB_Engine.init_gdb(gdb_path)
except pexpect.EOF:
text = "Unable to initialize GDB\n" \
"You might want to reinstall GDB or use the system GDB\n" \
"To change the current GDB path, check Settings->Debug"
InputDialogForm(item_list=[(text, None)], buttons=[QDialogButtonBox.Ok]).exec_()
else:
self.apply_after_init()
# this should be changed, only works if you use the current directory, fails if you for example install it to some place like bin
libscanmem_path = os.path.join(os.getcwd(), "libpince", "libscanmem", "libscanmem.so")
self.backend = Scanmem(libscanmem_path)
self.backend.send_command("option noptrace 1")
self.memory_view_window = MemoryViewWindowForm(self)
self.about_widget = AboutWidgetForm()
self.await_exit_thread = AwaitProcessExit()
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.update_address_table_thread = Worker(self.update_address_table_loop)
self.update_search_table_thread = Worker(self.update_search_table_loop)
self.freeze_thread = Worker(self.freeze_loop)
global threadpool
threadpool.start(self.update_address_table_thread)
threadpool.start(self.update_search_table_thread)
threadpool.start(self.freeze_thread)
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_NextScan.clicked.connect(self.pushButton_NextScan_clicked)
self.scan_mode = type_defs.SCAN_MODE.ONGOING
self.pushButton_NewFirstScan_clicked()
self.comboBox_ScanScope_init()
self.comboBox_ValueType_init()
self.checkBox_Hex.stateChanged.connect(self.checkBox_Hex_stateChanged)
self.comboBox_ValueType.currentIndexChanged.connect(self.comboBox_ValueType_current_index_changed)
self.lineEdit_Scan.setValidator(QRegExpValidator(QRegExp("-?[0-9]*"), parent=self.lineEdit_Scan))
self.lineEdit_Scan2.setValidator(QRegExpValidator(QRegExp("-?[0-9]*"), parent=self.lineEdit_Scan2))
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.update_address_table)
self.pushButton_CopyToAddressTable.clicked.connect(self.copy_to_address_table)
self.pushButton_CleanAddressTable.clicked.connect(self.delete_address_table_contents)
self.tableWidget_valuesearchtable.cellDoubleClicked.connect(
self.tableWidget_valuesearchtable_cell_double_clicked)
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()
current_dir = SysUtils.get_current_script_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.auto_attach()
def set_default_settings(self):
self.settings.beginGroup("General")
self.settings.setValue("auto_update_address_table", True)
self.settings.setValue("address_table_update_interval", 500)
self.settings.setValue("freeze_interval", 100)
self.settings.setValue("show_messagebox_on_exception", True)
self.settings.setValue("show_messagebox_on_toggle_attach", True)
self.settings.setValue("gdb_output_mode", type_defs.gdb_output_mode(True, True, True))
self.settings.setValue("auto_attach_list", "")
self.settings.setValue("logo_path", "ozgurozbek/pince_small_transparent.png")
self.settings.setValue("auto_attach_regex", False)
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", type_defs.INJECTION_METHOD.SIMPLE_DLOPEN_CALL)
self.settings.endGroup()
self.settings.beginGroup("Disassemble")
self.settings.setValue("bring_disassemble_to_front", False)
self.settings.setValue("instructions_per_scroll", 2)
self.settings.endGroup()
self.settings.beginGroup("Debug")
self.settings.setValue("gdb_path", type_defs.PATHS.GDB_PATH)
self.settings.setValue("gdb_logging", False)
self.settings.setValue("ignored_signals", "1,1,0")
self.settings.endGroup()
self.settings.beginGroup("Misc")
self.settings.setValue("version", current_settings_version)
self.settings.endGroup()
self.apply_settings()
@GDB_Engine.execute_with_temporary_interruption
def apply_after_init(self):
global gdb_logging
global ignored_signals
gdb_logging = self.settings.value("Debug/gdb_logging", type=bool)
ignored_signals = self.settings.value("Debug/ignored_signals", type=str)
GDB_Engine.set_logging(gdb_logging)
for index, ignore_status in enumerate(ignored_signals.split(",")):
if ignore_status == "1":
GDB_Engine.ignore_signal(signal_list[index])
else:
GDB_Engine.unignore_signal(signal_list[index])
def apply_settings(self):
global update_table
global table_update_interval
global show_messagebox_on_exception
global show_messagebox_on_toggle_attach
global gdb_output_mode
global auto_attach_list
global logo_path
global auto_attach_regex
global code_injection_method
global bring_disassemble_to_front
global instructions_per_scroll
global gdb_path
global FreezeInterval
update_table = self.settings.value("General/auto_update_address_table", type=bool)
table_update_interval = self.settings.value("General/address_table_update_interval", type=int)
FreezeInterval = self.settings.value("General/freeze_interval", type=int)
show_messagebox_on_exception = self.settings.value("General/show_messagebox_on_exception", type=bool)
show_messagebox_on_toggle_attach = self.settings.value("General/show_messagebox_on_toggle_attach", type=bool)
gdb_output_mode = self.settings.value("General/gdb_output_mode", type=tuple)
auto_attach_list = self.settings.value("General/auto_attach_list", type=str)
logo_path = self.settings.value("General/logo_path", type=str)
app.setWindowIcon(QIcon(os.path.join(SysUtils.get_logo_directory(), logo_path)))
auto_attach_regex = self.settings.value("General/auto_attach_regex", type=bool)
GDB_Engine.set_gdb_output_mode(gdb_output_mode)
for hotkey in Hotkeys.get_hotkeys():
hotkey.change_key(self.settings.value("Hotkeys/" + hotkey.name))
try:
self.memory_view_window.set_dynamic_debug_hotkeys()
except AttributeError:
pass
code_injection_method = self.settings.value("CodeInjection/code_injection_method", type=int)
bring_disassemble_to_front = self.settings.value("Disassemble/bring_disassemble_to_front", type=bool)
instructions_per_scroll = self.settings.value("Disassemble/instructions_per_scroll", type=int)
gdb_path = self.settings.value("Debug/gdb_path", type=str)
if GDB_Engine.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(self):
if not auto_attach_list:
return
if auto_attach_regex:
try:
compiled_re = re.compile(auto_attach_list)
except:
print("Auto-attach failed: " + auto_attach_list + " isn't a valid regex")
return
for process in SysUtils.iterate_processes():
try:
name = process.name()
except psutil.NoSuchProcess:
continue
if compiled_re.search(name):
self.attach_to_pid(process.pid)
return
else:
for target in auto_attach_list.split(";"):
for process in SysUtils.iterate_processes():
try:
name = process.name()
except psutil.NoSuchProcess:
continue
if name.find(target) != -1:
self.attach_to_pid(process.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
@SysUtils.ignore_exceptions
def pause_hotkey_pressed(self):
GDB_Engine.interrupt_inferior(type_defs.STOP_REASON.PAUSE)
@SysUtils.ignore_exceptions
def break_hotkey_pressed(self):
GDB_Engine.interrupt_inferior()
@SysUtils.ignore_exceptions
def continue_hotkey_pressed(self):
GDB_Engine.continue_inferior()
@SysUtils.ignore_exceptions
def toggle_attach_hotkey_pressed(self):
result = GDB_Engine.toggle_attach()
if not result:
dialog_text = "Unable to toggle attach"
elif result == type_defs.TOGGLE_ATTACH.DETACHED:
self.on_status_detached()
dialog_text = "GDB is detached from the process"
else:
dialog_text = "GDB is attached back to the process"
if show_messagebox_on_toggle_attach:
dialog = InputDialogForm(item_list=[(
dialog_text + "\n\nGo to Settings->General to disable this dialog",)], buttons=[QDialogButtonBox.Ok])
dialog.exec_()
def treeWidget_AddressTable_context_menu_event(self, event):
current_row = GuiUtils.get_current_item(self.treeWidget_AddressTable)
menu = QMenu()
edit_menu = menu.addMenu("Edit")
edit_desc = edit_menu.addAction("Description[Ctrl+Enter]")
edit_address = edit_menu.addAction("Address[Ctrl+Alt+Enter]")
edit_type = edit_menu.addAction("Type[Alt+Enter]")
edit_value = edit_menu.addAction("Value[Enter]")
show_hex = menu.addAction("Show as hexadecimal")
show_dec = menu.addAction("Show as decimal")
show_unsigned = menu.addAction("Show as unsigned")
show_signed = menu.addAction("Show as signed")
toggle_record = menu.addAction("Toggle selected records[Space]")
freeze_menu = menu.addMenu("Freeze")
freeze_default = freeze_menu.addAction("Default")
freeze_inc = freeze_menu.addAction("Incremental")
freeze_dec = freeze_menu.addAction("Decremental")
menu.addSeparator()
browse_region = menu.addAction("Browse this memory region[Ctrl+B]")
disassemble = menu.addAction("Disassemble this address[Ctrl+D]")
menu.addSeparator()
cut_record = menu.addAction("Cut selected records[Ctrl+X]")
copy_record = menu.addAction("Copy selected records[Ctrl+C]")
cut_record_recursively = menu.addAction("Cut selected records (recursive)[X]")
copy_record_recursively = menu.addAction("Copy selected records (recursive)[C]")
paste_record_before = menu.addAction("Paste selected records before[Ctrl+V]")
paste_record_after = menu.addAction("Paste selected records after[V]")
paste_record_inside = menu.addAction("Paste selected records inside[I]")
delete_record = menu.addAction("Delete selected records[Del]")
menu.addSeparator()
what_writes = menu.addAction("Find out what writes to this address")
what_reads = menu.addAction("Find out what reads this address")
what_accesses = menu.addAction("Find out what accesses this address")
if current_row is None:
deletion_list = [edit_menu.menuAction(), show_hex, show_dec, show_unsigned, show_signed, toggle_record,
freeze_menu.menuAction(), browse_region, disassemble, what_writes, what_reads,
what_accesses]
GuiUtils.delete_menu_entries(menu, deletion_list)
else:
value_type = current_row.data(TYPE_COL, Qt.UserRole)
if type_defs.VALUE_INDEX.is_integer(value_type.value_index):
if value_type.value_repr is type_defs.VALUE_REPR.HEX:
GuiUtils.delete_menu_entries(menu, [show_unsigned, show_signed, show_hex])
elif value_type.value_repr is type_defs.VALUE_REPR.UNSIGNED:
GuiUtils.delete_menu_entries(menu, [show_unsigned, show_dec])
elif value_type.value_repr is type_defs.VALUE_REPR.SIGNED:
GuiUtils.delete_menu_entries(menu, [show_signed, show_dec])
if current_row.checkState(FROZEN_COL) == Qt.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()])
font_size = self.treeWidget_AddressTable.font().pointSize()
menu.setStyleSheet("font-size: " + str(font_size) + "pt;")
action = menu.exec_(event.globalPos())
actions = {
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(type_defs.VALUE_REPR.HEX),
show_dec: lambda: self.treeWidget_AddressTable_change_repr(type_defs.VALUE_REPR.UNSIGNED),
show_unsigned: lambda: self.treeWidget_AddressTable_change_repr(type_defs.VALUE_REPR.UNSIGNED),
show_signed: lambda: self.treeWidget_AddressTable_change_repr(type_defs.VALUE_REPR.SIGNED),
toggle_record: self.toggle_selected_records,
freeze_default: lambda: self.change_freeze_type(type_defs.FREEZE_TYPE.DEFAULT),
freeze_inc: lambda: self.change_freeze_type(type_defs.FREEZE_TYPE.INCREMENT),
freeze_dec: lambda: self.change_freeze_type(type_defs.FREEZE_TYPE.DECREMENT),
browse_region: self.browse_region_for_selected_row,
disassemble: self.disassemble_selected_row,
cut_record: self.cut_selected_records,
copy_record: self.copy_selected_records,
cut_record_recursively: self.cut_selected_records_recursively,
copy_record_recursively: self.copy_selected_records_recursively,
paste_record_before: lambda: self.paste_records(insert_after=False),
paste_record_after: lambda: self.paste_records(insert_after=True),
paste_record_inside: lambda: self.paste_records(insert_inside=True),
delete_record: self.delete_selected_records,
what_writes: lambda: self.exec_track_watchpoint_widget(type_defs.WATCHPOINT_TYPE.WRITE_ONLY),
what_reads: lambda: self.exec_track_watchpoint_widget(type_defs.WATCHPOINT_TYPE.READ_ONLY),
what_accesses: lambda: self.exec_track_watchpoint_widget(type_defs.WATCHPOINT_TYPE.BOTH)
}
try:
actions[action]()
except KeyError:
pass
@GDB_Engine.execute_with_temporary_interruption
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
value_type = selected_row.data(TYPE_COL, Qt.UserRole)
if type_defs.VALUE_INDEX.is_string(value_type.value_index):
value_text = selected_row.text(VALUE_COL)
encoding, option = type_defs.string_index_to_encoding_dict[value_type.value_index]
byte_len = len(value_text.encode(encoding, option))
elif value_type.value_index == type_defs.VALUE_INDEX.INDEX_AOB:
byte_len = value_type.length
else:
byte_len = type_defs.index_to_valuetype_dict[value_type.value_index][0]
TrackWatchpointWidgetForm(address, byte_len, watchpoint_type, self).show()
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.UserRole)
frozen.freeze_type = freeze_type
# TODO: Create a QWidget subclass with signals so freeze type can be changed by clicking on the cell
if freeze_type == type_defs.FREEZE_TYPE.DEFAULT:
row.setText(FROZEN_COL, "")
row.setForeground(FROZEN_COL, QBrush(QColor(0, 0, 0)))
elif freeze_type == type_defs.FREEZE_TYPE.INCREMENT:
row.setText(FROZEN_COL, "▲")
row.setForeground(FROZEN_COL, QBrush(QColor(0, 255, 0)))
elif freeze_type == type_defs.FREEZE_TYPE.DECREMENT:
row.setText(FROZEN_COL, "▼")
row.setForeground(FROZEN_COL, QBrush(QColor(255, 0, 0)))
def toggle_selected_records(self):
row = GuiUtils.get_current_item(self.treeWidget_AddressTable)
if row:
check_state = row.checkState(FROZEN_COL)
new_check_state = Qt.Checked if check_state == Qt.Unchecked else Qt.Unchecked
for row in self.treeWidget_AddressTable.selectedItems():
row.setCheckState(FROZEN_COL, new_check_state)
self.treeWidget_AddressTable_item_clicked(row, FROZEN_COL)
def cut_selected_records(self):
# Flat cut, does not preserve structure
self.copy_selected_records()
self.delete_selected_records()
def copy_selected_records(self):
# Flat copy, does not preserve structure
app.clipboard().setText(repr([self.read_address_table_entries(selected_row, True) + ((),) for selected_row in
self.treeWidget_AddressTable.selectedItems()]))
# each element in the list has no children
def cut_selected_records_recursively(self):
self.copy_selected_records_recursively()
self.delete_selected_records()
def copy_selected_records_recursively(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.Unchecked)
frozen = type_defs.Frozen("", type_defs.FREEZE_TYPE.DEFAULT)
row.setData(FROZEN_COL, Qt.UserRole, frozen)
# Deserialize the address_expr & value_type param
if type(rec[1]) in [list, tuple]:
address_expr = type_defs.PointerType(*rec[1])
else:
address_expr = rec[1]
value_type = type_defs.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)
parent_row.insertChildren(insert_index, rows)
def paste_records(self, insert_after=None, insert_inside=False):
try:
records = ast.literal_eval(app.clipboard().text())
except (SyntaxError, ValueError):
QMessageBox.information(self, "Error", "Invalid clipboard content")
return
insert_row = GuiUtils.get_current_item(self.treeWidget_AddressTable)
root = self.treeWidget_AddressTable.invisibleRootItem()
if not insert_row: # this is common when the treeWidget_AddressTable is empty
self.insert_records(records, root, self.treeWidget_AddressTable.topLevelItemCount())
elif insert_inside:
self.insert_records(records, insert_row, 0)
else:
parent = insert_row.parent() or root
self.insert_records(records, parent, parent.indexOfChild(insert_row) + insert_after)
self.update_address_table()
def delete_selected_records(self):
root = self.treeWidget_AddressTable.invisibleRootItem()
for item in self.treeWidget_AddressTable.selectedItems():
(item.parent() or root).removeChild(item)
def treeWidget_AddressTable_key_press_event(self, event):
actions = type_defs.KeyboardModifiersTupleDict([
((Qt.NoModifier, Qt.Key_Delete), self.delete_selected_records),
((Qt.ControlModifier, Qt.Key_B), self.browse_region_for_selected_row),
((Qt.ControlModifier, Qt.Key_D), self.disassemble_selected_row),
((Qt.NoModifier, Qt.Key_R), self.update_address_table),
((Qt.NoModifier, Qt.Key_Space), self.toggle_selected_records),
((Qt.ControlModifier, Qt.Key_X), self.cut_selected_records),
((Qt.ControlModifier, Qt.Key_C), self.copy_selected_records),
((Qt.NoModifier, Qt.Key_X), self.cut_selected_records_recursively),
((Qt.NoModifier, Qt.Key_C), self.copy_selected_records_recursively),
((Qt.ControlModifier, Qt.Key_V), lambda: self.paste_records(insert_after=False)),
((Qt.NoModifier, Qt.Key_V), lambda: self.paste_records(insert_after=True)),
((Qt.NoModifier, Qt.Key_I), lambda: self.paste_records(insert_inside=True)),
((Qt.NoModifier, Qt.Key_Return), self.treeWidget_AddressTable_edit_value),
((Qt.ControlModifier, Qt.Key_Return), self.treeWidget_AddressTable_edit_desc),
((Qt.ControlModifier | Qt.AltModifier, Qt.Key_Return), self.treeWidget_AddressTable_edit_address),
((Qt.AltModifier, Qt.Key_Return), self.treeWidget_AddressTable_edit_type)
])
try:
actions[event.modifiers(), event.key()]()
except KeyError:
self.treeWidget_AddressTable.keyPressEvent_original(event)
def update_address_table(self):
if GDB_Engine.currentpid == -1 or self.treeWidget_AddressTable.topLevelItemCount() == 0:
return
it = QTreeWidgetItemIterator(self.treeWidget_AddressTable)
mem_handle = GDB_Engine.memory_handle()
address_expr_list = []
rows = []
while True:
row = it.value()
if not row:
break
it += 1
address_data = row.data(ADDR_COL, Qt.UserRole)
if isinstance(address_data, type_defs.PointerType):
pointer_address = GDB_Engine.read_pointer(address_data)
if pointer_address == None:
continue
address_expr_list.append(hex(pointer_address))
else:
address_expr_list.append(address_data)
rows.append(row)
try:
address_list = [item.address for item in GDB_Engine.examine_expressions(address_expr_list)]
except type_defs.InferiorRunningException:
address_list = address_expr_list
for index, row in enumerate(rows):
value_type = row.data(TYPE_COL, Qt.UserRole)
address = address_list[index]
signed = True if value_type.value_repr == type_defs.VALUE_REPR.SIGNED else False
value = GDB_Engine.read_memory(address, value_type.value_index, value_type.length,
value_type.zero_terminate, signed, mem_handle=mem_handle)
address_data = row.data(ADDR_COL, Qt.UserRole)
if isinstance(address_data, type_defs.PointerType):
address_text = f'P->{address}'
else:
address_text = address
row.setText(ADDR_COL, address_text or address_expr_list[index])
if value is None:
value = ""
elif value_type.value_repr == type_defs.VALUE_REPR.HEX:
value = hex(value)
else:
value = str(value)
row.setText(VALUE_COL, value)
def resize_address_table(self):
self.treeWidget_AddressTable.resizeColumnToContents(FROZEN_COL)
# gets the information from the dialog then adds it to addresstable
def pushButton_AddAddressManually_clicked(self):
manual_address_dialog = ManualAddressDialogForm()
if manual_address_dialog.exec_():
desc, address_expr, value_index, length, zero_terminate = manual_address_dialog.get_values()
self.add_entry_to_addresstable(desc, address_expr, value_index, length, zero_terminate)
def pushButton_MemoryView_clicked(self):
self.memory_view_window.showMaximized()
self.memory_view_window.activateWindow()
def pushButton_Wiki_clicked(self):
SysUtils.execute_shell_command_as_user('python3 -m webbrowser "https://github.com/korcankaraokcu/PINCE/wiki"')
def pushButton_About_clicked(self):
self.about_widget.show()
self.about_widget.activateWindow()
def pushButton_Settings_clicked(self):
settings_dialog = SettingsDialogForm(self.set_default_settings)
if settings_dialog.exec_():
self.apply_settings()
def pushButton_Console_clicked(self):
console_widget = ConsoleWidgetForm()
console_widget.showMaximized()
def checkBox_Hex_stateChanged(self, state):
if state == Qt.Checked:
# allows only things that are hex, can also start with 0x
self.lineEdit_Scan.setValidator(QRegExpValidator(QRegExp("(0x)?[A-Fa-f0-9]*$"), parent=self.lineEdit_Scan))
self.lineEdit_Scan2.setValidator(
QRegExpValidator(QRegExp("(0x)?[A-Fa-f0-9]*$"), parent=self.lineEdit_Scan2))
else:
# sets it back to integers only
self.lineEdit_Scan.setValidator(QRegExpValidator(QRegExp("-?[0-9]*"), parent=self.lineEdit_Scan))
self.lineEdit_Scan2.setValidator(QRegExpValidator(QRegExp("-?[0-9]*"), parent=self.lineEdit_Scan2))
# TODO add a damn keybind for this...
def pushButton_NewFirstScan_clicked(self):
if self.scan_mode == type_defs.SCAN_MODE.ONGOING:
self.scan_mode = type_defs.SCAN_MODE.NEW
self.pushButton_NewFirstScan.setText("First Scan")
self.backend.send_command("reset")
self.tableWidget_valuesearchtable.setRowCount(0)
self.comboBox_ValueType.setEnabled(True)
self.pushButton_NextScan.setEnabled(False)
self.comboBox_ScanScope.setEnabled(True)
self.progressBar.setValue(0)
else:
self.scan_mode = type_defs.SCAN_MODE.ONGOING
self.pushButton_NewFirstScan.setText("New Scan")
self.comboBox_ValueType.setEnabled(False)
self.pushButton_NextScan.setEnabled(True)
search_scope = self.comboBox_ScanScope.currentData(Qt.UserRole)
self.backend.send_command("option region_scan_level " + str(search_scope))
self.backend.send_command("reset")
self.comboBox_ScanScope.setEnabled(False)