DonPAPI/lazagne/config/lib/memorpy/BaseProcess.py
Pierre-Alexandre Vandewoestyne f27f527410 beta release commit
2021-09-27 11:20:43 +02:00

67 lines
1.8 KiB
Python

#!/usr/bin/env python
# -*- coding: UTF8 -*-
import struct
from .utils import *
""" Base class for process not linked to any platform """
class ProcessException(Exception):
pass
class BaseProcess(object):
def __init__(self, *args, **kwargs):
""" Create and Open a process object from its pid or from its name """
self.h_process = None
self.pid = None
self.isProcessOpen = False
self.buffer = None
self.bufferlen = 0
def __del__(self):
self.close()
def close(self):
pass
def iter_region(self, *args, **kwargs):
raise NotImplementedError
def write_bytes(self, address, data):
raise NotImplementedError
def read_bytes(self, address, bytes = 4):
raise NotImplementedError
def get_symbolic_name(self, address):
return '0x%08X' % int(address)
def read(self, address, type = 'uint', maxlen = 50, errors='raise'):
if type == 's' or type == 'string':
s = self.read_bytes(int(address), bytes=maxlen)
try:
idx = s.index(b'\x00')
return s[:idx]
except:
if errors == 'ignore':
return s
raise ProcessException('string > maxlen')
else:
if type == 'bytes' or type == 'b':
return self.read_bytes(int(address), bytes=maxlen)
s, l = type_unpack(type)
return struct.unpack(s, self.read_bytes(int(address), bytes=l))[0]
def write(self, address, data, type = 'uint'):
if type != 'bytes':
s, l = type_unpack(type)
return self.write_bytes(int(address), struct.pack(s, data))
else:
return self.write_bytes(int(address), data)