|
|
|
#!/usr/bin/env python3
|
|
|
|
# -*- coding: utf-8 -*
|
|
|
|
# Name: gen.py
|
|
|
|
# Purpose: This 'general' module contain many functions required to be called at many places
|
|
|
|
# Authors: Sundar
|
|
|
|
# Licence: This file is a part of multibootusb package. You can redistribute it or modify
|
|
|
|
# under the terms of GNU General Public License, v.2 or above
|
|
|
|
|
|
|
|
import logging
|
|
|
|
import sys
|
|
|
|
import os
|
|
|
|
import platform
|
|
|
|
import shutil
|
|
|
|
import string
|
|
|
|
import zipfile
|
|
|
|
import re
|
|
|
|
import ctypes
|
|
|
|
|
|
|
|
from . import config
|
|
|
|
from .osdriver import get_physical_disk_number, wmi_get_drive_info, \
|
|
|
|
log, resource_path, multibootusb_host_dir
|
|
|
|
|
|
|
|
def scripts_dir_path():
|
|
|
|
return os.path.dirname(os.path.realpath(__file__))
|
|
|
|
|
|
|
|
|
|
|
|
def print_version():
|
|
|
|
"""
|
|
|
|
Simple log the version number of the multibootusb application
|
|
|
|
:return:
|
|
|
|
"""
|
|
|
|
log('multibootusb version: ' + mbusb_version())
|
|
|
|
|
|
|
|
|
|
|
|
def quote(text):
|
|
|
|
"""
|
|
|
|
Function to quote the input word or sentence.
|
|
|
|
:param text: Any word or sentence.
|
|
|
|
:return: Quoted text or sentence. If already quoted the same text is returned.
|
|
|
|
"""
|
|
|
|
if not is_quoted(text):
|
|
|
|
return '"' + text + '"'
|
|
|
|
else:
|
|
|
|
return text
|
|
|
|
|
|
|
|
|
|
|
|
def is_quoted(text):
|
|
|
|
"""
|
|
|
|
Function to check if word is quoted.
|
|
|
|
:param text: Any word or sentence with or without quote.
|
|
|
|
:return: True if text is quoted else False.
|
|
|
|
"""
|
|
|
|
return bool(text.startswith("\"") and text.endswith("\""))
|
|
|
|
|
|
|
|
|
|
|
|
def has_digit(word):
|
|
|
|
"""
|
|
|
|
Useful function to detect if input word contain digit.
|
|
|
|
:param word: Any alphanumeric word.
|
|
|
|
:return: True if the word has a digit else False.
|
|
|
|
"""
|
|
|
|
return any(char.isdigit() for char in word)
|
|
|
|
|
|
|
|
|
|
|
|
def sys_64bits():
|
|
|
|
"""
|
|
|
|
Detect if the host system is 64 bit.
|
|
|
|
:return: True if system is 64 bit.
|
|
|
|
"""
|
|
|
|
return sys.maxsize > 2**32
|
|
|
|
|
|
|
|
|
|
|
|
def iso_cfg_ext_dir():
|
|
|
|
"""
|
|
|
|
Function to return the path to ISO configuration file extraction directory.
|
|
|
|
:return: Path to directory where ISO config files will be extracted.
|
|
|
|
"""
|
|
|
|
return os.path.join(multibootusb_host_dir(), 'iso_cfg_ext_dir')
|
|
|
|
|
|
|
|
|
|
|
|
def clean_iso_cfg_ext_dir(iso_cfg_ext_dir):
|
|
|
|
"""
|
|
|
|
Clean old ISO config files extracted by previous use of multibootusb.
|
|
|
|
:param iso_cfg_ext_dir: Path to config extract directory.
|
|
|
|
:return:
|
|
|
|
"""
|
|
|
|
if os.path.exists(iso_cfg_ext_dir):
|
|
|
|
for f in os.listdir(iso_cfg_ext_dir):
|
|
|
|
fullpath = os.path.join(iso_cfg_ext_dir, f)
|
|
|
|
if os.path.isdir(fullpath):
|
|
|
|
shutil.rmtree(fullpath)
|
|
|
|
else:
|
|
|
|
os.remove(fullpath)
|
|
|
|
else:
|
|
|
|
log('iso_cfg_ext_dir directory does not exist.')
|
|
|
|
|
|
|
|
|
|
|
|
def copy_mbusb_dir_usb(usb_disk):
|
|
|
|
"""
|
|
|
|
Copy the multibootusb directory to USB mount path.
|
|
|
|
:param usb_mount_path: Path to USB mount.
|
|
|
|
:return:
|
|
|
|
"""
|
|
|
|
# from .iso import iso_size
|
|
|
|
from .usb import details, PartitionNotMounted
|
|
|
|
|
|
|
|
try:
|
|
|
|
usb_details = details(usb_disk)
|
|
|
|
except PartitionNotMounted as e:
|
|
|
|
log(str(e))
|
|
|
|
return False
|
|
|
|
|
|
|
|
usb_mount_path = usb_details['mount_point']
|
|
|
|
result = ''
|
|
|
|
if not os.path.exists(os.path.join(usb_mount_path, "multibootusb")):
|
|
|
|
try:
|
|
|
|
log('Copying multibootusb directory to ' + usb_mount_path)
|
|
|
|
shutil.copytree(resource_path(os.path.join("data", "multibootusb")), os.path.join(usb_mount_path, "multibootusb"))
|
|
|
|
|
|
|
|
result = True
|
|
|
|
except:
|
|
|
|
log('multibootusb directory could not be copied to ' + usb_mount_path)
|
|
|
|
result = False
|
|
|
|
else:
|
|
|
|
log('multibootusb directory already exists. Not copying.')
|
|
|
|
|
|
|
|
if not os.path.exists(os.path.join(usb_mount_path, 'EFI', 'BOOT', 'multibootusb_grub2.txt')):
|
|
|
|
if not os.path.exists(os.path.join(usb_mount_path, 'EFI', 'BOOT')):
|
|
|
|
log('EFI/BOOT directory does not exist. Creating new.')
|
|
|
|
os.makedirs(os.path.join(usb_mount_path, 'EFI', 'BOOT'), exist_ok=True)
|
|
|
|
if os.path.exists(os.path.join(usb_mount_path, 'EFI')):
|
|
|
|
shutil.rmtree(os.path.join(usb_mount_path, 'EFI'))
|
|
|
|
try:
|
|
|
|
log('Copying EFI directory to ' + usb_mount_path)
|
|
|
|
shutil.copytree(resource_path(os.path.join("data", "EFI")), os.path.join(usb_mount_path, "EFI"))
|
|
|
|
result = True
|
|
|
|
except Exception as e:
|
|
|
|
log(e)
|
|
|
|
result = False
|
|
|
|
else:
|
|
|
|
log('EFI directory already exist. Not copying.')
|
|
|
|
|
|
|
|
'''
|
|
|
|
# For backward compatibility
|
|
|
|
if not os.path.exists(os.path.join(usb_mount_path, 'EFI', 'BOOT', 'bootx64-gpt.efi')):
|
|
|
|
shutil.copy(resource_path(os.path.join('data', 'EFI', 'BOOT', 'bootx64-gpt.efi')),
|
|
|
|
os.path.join(usb_mount_path, 'EFI', 'BOOT', 'bootx64-gpt.efi'))
|
|
|
|
|
|
|
|
if not os.path.exists(os.path.join(usb_mount_path, 'EFI', 'BOOT', 'bootx64-msdos.efi')):
|
|
|
|
shutil.copy(resource_path(os.path.join('data', 'EFI', 'BOOT', 'bootx64-msdos.efi')),
|
|
|
|
os.path.join(usb_mount_path, 'EFI', 'BOOT', 'bootx64-msdos.efi'))
|
|
|
|
|
|
|
|
if not os.path.exists(os.path.join(usb_mount_path, 'multibootusb', 'grub', 'core-gpt.img')):
|
|
|
|
shutil.copy(resource_path(os.path.join('data', 'multibootusb', 'grub', 'core-gpt.img')),
|
|
|
|
os.path.join(usb_mount_path, 'multibootusb', 'grub', 'core-gpt.img'))
|
|
|
|
|
|
|
|
if not os.path.exists(os.path.join(usb_mount_path, 'multibootusb', 'grub', 'core-msdos.img')):
|
|
|
|
shutil.copy(resource_path(os.path.join('data', 'multibootusb', 'grub', 'core-msdos.img')),
|
|
|
|
os.path.join(usb_mount_path, 'multibootusb', 'grub', 'core-msdos.img'))
|
|
|
|
|
|
|
|
if not os.path.exists(os.path.join(usb_mount_path, 'multibootusb', 'grub', 'x86_64-efi')):
|
|
|
|
log("New EFI modules does not exist. Copying now.")
|
|
|
|
shutil.copytree(resource_path(os.path.join('data', 'multibootusb', 'grub', 'x86_64-efi')),
|
|
|
|
os.path.join(usb_mount_path, 'multibootusb', 'grub', 'x86_64-efi'))
|
|
|
|
log("Replacing gpt efi binary with latest one.")
|
|
|
|
os.remove(os.path.join(usb_mount_path, 'EFI', 'BOOT', 'bootx64-gpt.efi'))
|
|
|
|
shutil.copy(resource_path(os.path.join('data', 'EFI', 'BOOT', 'bootx64-gpt.efi')),
|
|
|
|
os.path.join(usb_mount_path, 'EFI', 'BOOT', 'bootx64-gpt.efi'))
|
|
|
|
'''
|
|
|
|
# Warn users about older version
|
|
|
|
if not os.path.exists(os.path.join(usb_mount_path, 'multibootusb', 'grub', 'x86_64-efi')):
|
|
|
|
log("You have created live usb using old version of multibootusb.")
|
|
|
|
log("Please remove EFI and multibootusb directory and reinstall distros again.")
|
|
|
|
# Ensue that we have iso directory. Implemented from version 9.0.1
|
|
|
|
if not os.path.exists(os.path.join(usb_mount_path, 'multibootusb', 'iso')):
|
|
|
|
os.makedirs(os.path.join(usb_mount_path, 'multibootusb', 'iso'))
|
|
|
|
|
|
|
|
# Update the menu files from resource path to USB directory.
|
|
|
|
try:
|
|
|
|
with zipfile.ZipFile(resource_path(os.path.join('data', 'multibootusb', 'grub', 'menus.zip')), "r") as z:
|
|
|
|
z.extractall(os.path.join(usb_mount_path, 'multibootusb', 'grub', 'menus'))
|
|
|
|
except:
|
|
|
|
log('Unable to extract menu files to USB disk.')
|
|
|
|
|
|
|
|
return result
|
|
|
|
|
|
|
|
|
|
|
|
def read_input_yes():
|
|
|
|
"""
|
|
|
|
List option and read user input
|
|
|
|
:return: True if user selected yes or else false
|
|
|
|
"""
|
|
|
|
yes_list = ['Y', 'y', 'Yes', 'yes', 'YES']
|
|
|
|
no_list = ['N', 'n', 'No', 'no', 'NO']
|
|
|
|
response = input("Please enter the option listed above : ")
|
|
|
|
if response in yes_list:
|
|
|
|
return True
|
|
|
|
elif response in no_list:
|
|
|
|
return False
|
|
|
|
|
|
|
|
|
|
|
|
def strings(filename, _min=4):
|
|
|
|
with open(filename, errors="ignore") as f:
|
|
|
|
result = ""
|
|
|
|
for c in f.read():
|
|
|
|
if c in string.printable:
|
|
|
|
result += c
|
|
|
|
continue
|
|
|
|
if len(result) >= _min:
|
|
|
|
yield result
|
|
|
|
result = ""
|
|
|
|
if len(result) >= _min: # catch result at EOF
|
|
|
|
yield result
|
|
|
|
|
|
|
|
|
|
|
|
def size_not_enough(iso_link, usb_disk):
|
|
|
|
from .iso import iso_size
|
|
|
|
from .usb import details, PartitionNotMounted
|
|
|
|
isoSize = iso_size(iso_link)
|
|
|
|
try:
|
|
|
|
usb_details = details(usb_disk)
|
|
|
|
except PartitionNotMounted as e:
|
|
|
|
log(str(e))
|
|
|
|
return False
|
|
|
|
usb_size = usb_details['size_free']
|
|
|
|
|
|
|
|
return bool(isoSize > usb_size)
|
|
|
|
|
|
|
|
|
|
|
|
def mbusb_version():
|
|
|
|
version = open(resource_path(os.path.join("data", "version.txt")), 'r').read().strip()
|
|
|
|
return version
|
|
|
|
|
|
|
|
|
|
|
|
def check_text_in_file(file_path, text):
|
|
|
|
"""
|
|
|
|
Helper function to check if a text exist in a file.
|
|
|
|
:param file_path: Path to file
|
|
|
|
:param text: Text to be searched
|
|
|
|
:return: True if found else False
|
|
|
|
"""
|
|
|
|
if not os.path.exists(file_path):
|
|
|
|
return False
|
|
|
|
else:
|
|
|
|
with open(file_path) as data_file:
|
|
|
|
return any(text in line for line in data_file)
|
|
|
|
|
|
|
|
|
|
|
|
def prepare_mbusb_host_dir():
|
|
|
|
"""
|
|
|
|
Prepare multibootusb host directory and extract data files for use.
|
|
|
|
:return:
|
|
|
|
"""
|
|
|
|
home = multibootusb_host_dir()
|
|
|
|
if not os.path.exists(home):
|
|
|
|
os.makedirs(home)
|
|
|
|
else:
|
|
|
|
log("Cleaning old multibootusb directory...")
|
|
|
|
clean_iso_cfg_ext_dir(os.path.join(home, "iso_cfg_ext_dir"))
|
|
|
|
#shutil.rmtree(home)
|
|
|
|
#os.makedirs(home)
|
|
|
|
|
|
|
|
if not os.path.exists(os.path.join(home, "preference")):
|
|
|
|
os.makedirs(os.path.join(home, "preference"))
|
|
|
|
|
|
|
|
if not os.path.exists(os.path.join(home, "iso_cfg_ext_dir")):
|
|
|
|
os.makedirs(os.path.join(home, "iso_cfg_ext_dir"))
|
|
|
|
|
|
|
|
if os.path.exists(os.path.join(home, "syslinux", "bin", "syslinux4")):
|
|
|
|
log("Syslinux exist in multibootusb directory...")
|
|
|
|
else:
|
|
|
|
log("Extracting syslinux to multibootusb directory...")
|
|
|
|
if platform.system() == "Linux":
|
|
|
|
if sys_64bits() is True:
|
|
|
|
log('Host OS is 64 bit...')
|
|
|
|
log("Extracting syslinux 64 bit...")
|
|
|
|
# log(resource_path(os.path.join("data", "tools", "syslinux", "syslinux_linux_64.zip")))
|
|
|
|
with zipfile.ZipFile(resource_path(os.path.join("data", "tools", "syslinux", "syslinux_linux_64.zip")), "r") as z:
|
|
|
|
z.extractall(home)
|
|
|
|
else:
|
|
|
|
log("Extracting syslinux 32 bit...")
|
|
|
|
with zipfile.ZipFile(resource_path(os.path.join("data", "tools", "syslinux", "syslinux_linux.zip")), "r") as z:
|
|
|
|
z.extractall(home)
|
|
|
|
else:
|
|
|
|
with zipfile.ZipFile(resource_path(os.path.join("data", "tools", "syslinux", "syslinux_windows.zip")), "r") as z:
|
|
|
|
z.extractall(home)
|
|
|
|
log("Extracting syslinux modules to multibootusb directory...")
|
|
|
|
with zipfile.ZipFile(resource_path(os.path.join("data", "tools", "syslinux", "syslinux_modules.zip")), "r") as z:
|
|
|
|
z.extractall(os.path.join(home, "syslinux"))
|
|
|
|
|
|
|
|
if os.listdir(os.path.join(home, "iso_cfg_ext_dir")):
|
|
|
|
log(os.listdir(os.path.join(home, "iso_cfg_ext_dir")))
|
|
|
|
log("iso extract directory is not empty.")
|
|
|
|
log("Removing junk files...")
|
|
|
|
for files in os.listdir(os.path.join(home, "iso_cfg_ext_dir")):
|
|
|
|
if os.path.isdir(os.path.join(os.path.join(home, "iso_cfg_ext_dir", files))):
|
|
|
|
log(os.path.join(os.path.join(home, "iso_cfg_ext_dir", files)))
|
|
|
|
os.chmod(os.path.join(os.path.join(home, "iso_cfg_ext_dir", files)), 0o777)
|
|
|
|
shutil.rmtree(os.path.join(os.path.join(home, "iso_cfg_ext_dir", files)))
|
|
|
|
else:
|
|
|
|
try:
|
|
|
|
log(os.path.join(os.path.join(home, "iso_cfg_ext_dir", files)))
|
|
|
|
os.chmod(os.path.join(os.path.join(home, "iso_cfg_ext_dir", files)), 0o777)
|
|
|
|
os.unlink(os.path.join(os.path.join(home, "iso_cfg_ext_dir", files)))
|
|
|
|
os.remove(os.path.join(os.path.join(home, "iso_cfg_ext_dir", files)))
|
|
|
|
except OSError:
|
|
|
|
log("Can't remove the file. Skipping it.")
|
|
|
|
|
|
|
|
|
|
|
|
def grub_efi_exist(grub_efi_path):
|
|
|
|
"""
|
|
|
|
Detect efi present in USB disk is copied by multibootusb.
|
|
|
|
:param isolinux_path: Path to "grub efi image"
|
|
|
|
:return: True if yes else False
|
|
|
|
"""
|
|
|
|
from . import iso
|
|
|
|
if grub_efi_path is not None:
|
|
|
|
sl = list(iso.strings(grub_efi_path))
|
|
|
|
for strin in sl:
|
|
|
|
if re.search(r'multibootusb', strin, re.I):
|
|
|
|
return True
|
|
|
|
return False
|
|
|
|
|
|
|
|
|
|
|
|
def process_exist(process_name):
|
|
|
|
"""
|
|
|
|
Detect if process exist/ running and kill it.
|
|
|
|
:param process_name: process name to check
|
|
|
|
:return: True if processis killed else False
|
|
|
|
"""
|
|
|
|
if platform.system() == 'Windows':
|
|
|
|
import signal
|
|
|
|
import wmi
|
|
|
|
c = wmi.WMI()
|
|
|
|
for process in c.Win32_Process():
|
|
|
|
if process_name in process.Name:
|
|
|
|
log(process_name + ' exist...')
|
|
|
|
log(str(process.ProcessId) + ' ' + str(process.Name))
|
|
|
|
log("Having Windows explorer won't allow dd.exe to write ISO image properly."
|
|
|
|
"\nKilling the process..")
|
|
|
|
try:
|
|
|
|
os.kill(process.ProcessId, signal.SIGTERM)
|
|
|
|
return True
|
|
|
|
except:
|
|
|
|
log('Unable to kill process ' + str(process.ProcessId))
|
|
|
|
|
|
|
|
return False
|
|
|
|
|
|
|
|
|
|
|
|
def write_to_file(filepath, text):
|
|
|
|
"""
|
|
|
|
Simple function to write a text file
|
|
|
|
:param filepath: Path to file
|
|
|
|
:param text: Text to be written on to file
|
|
|
|
:return:
|
|
|
|
"""
|
|
|
|
with open(filepath, 'w') as f:
|
|
|
|
f.write(text.strip())
|
|
|
|
|
|
|
|
|
|
|
|
class MemoryCheck():
|
|
|
|
"""
|
|
|
|
Cross platform way to checks memory of a given system. Works on Linux and Windows.
|
|
|
|
psutil is a good option to get memory info. But version 5.0 and only will work.
|
|
|
|
Source: https://doeidoei.wordpress.com/2009/03/22/python-tip-3-checking-available-ram-with-python/
|
|
|
|
Call this class like this:
|
|
|
|
mem_info = memoryCheck()
|
|
|
|
print(mem_info.value)
|
|
|
|
"""
|
|
|
|
|
|
|
|
def __init__(self):
|
|
|
|
|
|
|
|
if platform.system() == 'Linux':
|
|
|
|
self.value = self.linuxRam()
|
|
|
|
elif platform.system() == 'Windows':
|
|
|
|
self.value = self.windowsRam()
|
|
|
|
else:
|
|
|
|
log("MemoryCheck Class will only work on Linux and Windows.")
|
|
|
|
|
|
|
|
def windowsRam(self):
|
|
|
|
"""
|
|
|
|
Uses Windows API to check RAM
|
|
|
|
"""
|
|
|
|
kernel32 = ctypes.windll.kernel32
|
|
|
|
c_ulong = ctypes.c_ulong
|
|
|
|
|
|
|
|
class MEMORYSTATUS(ctypes.Structure):
|
|
|
|
_fields_ = [
|
|
|
|
("dwLength", c_ulong),
|
|
|
|
("dwMemoryLoad", c_ulong),
|
|
|
|
("dwTotalPhys", c_ulong),
|
|
|
|
("dwAvailPhys", c_ulong),
|
|
|
|
("dwTotalPageFile", c_ulong),
|
|
|
|
("dwAvailPageFile", c_ulong),
|
|
|
|
("dwTotalVirtual", c_ulong),
|
|
|
|
("dwAvailVirtual", c_ulong)
|
|
|
|
]
|
|
|
|
|
|
|
|
memoryStatus = MEMORYSTATUS()
|
|
|
|
memoryStatus.dwLength = ctypes.sizeof(MEMORYSTATUS)
|
|
|
|
kernel32.GlobalMemoryStatus(ctypes.byref(memoryStatus))
|
|
|
|
|
|
|
|
return int(memoryStatus.dwTotalPhys / 1024 ** 2)
|
|
|
|
|
|
|
|
def linuxRam(self):
|
|
|
|
"""
|
|
|
|
Returns the RAM of a Linux system
|
|
|
|
"""
|
|
|
|
totalMemory = os.popen("free -m").readlines()[1].split()[1]
|
|
|
|
return int(totalMemory)
|
|
|
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
log(quote("""Test-string"""))
|
|
|
|
log(has_digit("test-string-with-01-digit"))
|
|
|
|
log(sys_64bits())
|
|
|
|
log(multibootusb_host_dir())
|
|
|
|
log(iso_cfg_ext_dir())
|
|
|
|
strings_test = strings('../../text-stings.bin')
|
|
|
|
log(strings_test)
|