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multibootusb/scripts/update_cfg_file.py

451 lines
28 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Name: update_cfg_file.py
# Purpose: Module to manipulate distro specific and main config files.
# 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 os
import re
import shutil
from .usb import *
from .gen import *
from .iso import *
from . import config
from . import grub
from . import menus
def update_distro_cfg_files(iso_link, usb_disk, distro, persistence=0):
"""
Main function to modify/update distro specific strings on distro config files.
:return:
"""
usb_details = details(usb_disk)
usb_mount = usb_details['mount_point']
usb_uuid = usb_details['uuid']
usb_label = usb_details['label']
# iso_cfg_ext_dir = os.path.join(multibootusb_host_dir(), "iso_cfg_ext_dir")
config.status_text = "Updating config files..."
install_dir = os.path.join(usb_mount, "multibootusb", iso_basename(iso_link))
log('Updating distro specific config files...')
for dirpath, dirnames, filenames in os.walk(install_dir):
for f in filenames:
if f.endswith(".cfg") or f.endswith('.CFG') or f.endswith('.lst') or f.endswith('.conf'):
cfg_file = os.path.join(dirpath, f)
try:
string = open(cfg_file, errors='ignore').read()
except IOError:
log("Unable to read ", cfg_file)
else:
if not distro == "generic":
replace_text = r'\1/multibootusb/' + iso_basename(iso_link) + '/'
string = re.sub(r'([ \t =,])/', replace_text, string)
string = re.sub(r'linuxefi', 'linux', string)
string = re.sub(r'initrdefi', 'initrd', string)
if distro == "ubuntu":
string = re.sub(r'boot=casper',
'boot=casper cdrom-detect/try-usb=true floppy.allowed_drive_mask=0 ignore_uuid '
'ignore_bootid root=UUID=' + usb_uuid + ' live-media-path=/multibootusb/'
+ iso_basename(iso_link) + '/casper', string)
# Point to correct .seed file
string = re.sub(r'/cdrom/preseed', '/preseed', string)
string = re.sub(r'live-media=\S*', 'live-media=/dev/disk/by-uuid/' + usb_uuid, string)
string = re.sub(r'ui gfxboot', '#ui gfxboot', string)
if persistence != 0:
string = re.sub(r'boot=casper', 'boot=casper persistent persistent-path=/multibootusb/' +
iso_basename(iso_link) + "/", string)
elif distro in ["debian", "debian-install"]:
string = re.sub(r'boot=live', 'boot=live ignore_bootid live-media-path=/multibootusb/' +
iso_basename(iso_link) + '/live', string)
if persistence != 0:
string = re.sub(r'boot=live', 'boot=live persistent persistent-path=/multibootusb/' +
iso_basename(iso_link) + "/", string)
elif distro == 'grml':
string = re.sub(r'live-media-path=', 'ignore_bootid live-media-path=', string)
elif distro == "ubuntu-server":
string = re.sub(r'file',
'cdrom-detect/try-usb=true floppy.allowed_drive_mask=0 ignore_uuid ignore_bootid root=UUID=' +
usb_uuid + ' file', string)
elif distro == "fedora":
string = re.sub(r'root=\S*', 'root=live:UUID=' + usb_uuid, string)
if re.search(r'liveimg', string, re.I):
string = re.sub(r'liveimg', 'liveimg live_dir=/multibootusb/' +
iso_basename(iso_link) + '/LiveOS', string)
elif re.search(r'rd.live.image', string, re.I):
string = re.sub(r'rd.live.image', 'rd.live.image rd.live.dir=/multibootusb/' +
iso_basename(iso_link) + '/LiveOS', string)
elif re.search(r'Solus', string, re.I):
string = re.sub(r'initrd=', 'rd.live.dir=/multibootusb/' + iso_basename(iso_link) +
'/LiveOS initrd=', string)
if persistence != 0:
if re.search(r'liveimg', string, re.I):
string = re.sub(r'liveimg', 'liveimg overlay=UUID=' + usb_uuid, string)
elif re.search(r'rd.live.image', string, re.I):
string = re.sub(r'rd.live.image', 'rd.live.image rw rd.live.overlay=UUID=' + usb_uuid, string)
string = re.sub(r' ro ', '', string)
elif distro == 'kaspersky':
if not os.path.exists(os.path.join(usb_mount, 'multibootusb', iso_basename(iso_link), 'kaspersky.cfg')):
shutil.copyfile(resource_path(os.path.join('data', 'multibootusb', 'syslinux.cfg')),
os.path.join(usb_mount, 'multibootusb', iso_basename(iso_link), 'kaspersky.cfg'))
config_string = kaspersky_config('kaspersky')
config_string = config_string.replace('$INSTALL_DIR', '/multibootusb/' + iso_basename(iso_link))
config_string = re.sub(r'root=live:UUID=', 'root=live:UUID=' + usb_uuid, config_string)
with open(os.path.join(usb_mount, 'multibootusb', iso_basename(iso_link), 'kaspersky.cfg'), "a") as f:
f.write(config_string)
elif distro == "parted-magic":
if re.search(r'append', string, re.I):
string = re.sub(r'append', 'append directory=/multibootusb/' + iso_basename(iso_link), string,
flags=re.I)
string = re.sub(r'initrd=', 'directory=/multibootusb/' + iso_basename(iso_link) + '/ initrd=',
string)
elif distro == "ubcd":
string = re.sub(r'iso_filename=\S*', 'directory=/multibootusb/' + iso_basename(iso_link),
string, flags=re.I)
elif distro == 'f4ubcd':
if not 'multibootusb' in string:
string = re.sub(r'/HBCD', '/multibootusb/' + iso_basename(iso_link) + '/HBCD', string)
if not 'multibootusb' in string:
string = re.sub(r'/F4UBCD', '/multibootusb/' + iso_basename(iso_link) + '/F4UBCD', string)
elif distro == "ipcop":
string = re.sub(r'ipcopboot=cdrom\S*', 'ipcopboot=usb', string)
elif distro == "puppy":
if 'pmedia=cd' in string:
string = re.sub(r'pmedia=cd\S*',
'pmedia=usbflash psubok=TRUE psubdir=/multibootusb/' + iso_basename(iso_link) + '/',
string)
elif 'rootfstype' in string:
string = re.sub(r'rootfstype',
'pmedia=usbflash psubok=TRUE psubdir=/multibootusb/' + iso_basename(iso_link) + '/ rootfstype',
string)
elif distro == "slax":
string = re.sub(r'initrd=',
r'from=/multibootusb/' + iso_basename(iso_link) + '/slax fromusb initrd=', string)
elif distro == "finnix":
string = re.sub(r'initrd=',
r'finnixdir=/multibootusb/' + iso_basename(iso_link) + '/finnix initrd=', string)
elif distro == "knoppix":
string = re.sub(r'initrd=', 'knoppix_dir=/multibootusb/' + iso_basename(iso_link) + '/KNOPPIX initrd=', string)
elif distro == "gentoo":
string = re.sub(r'append ',
'append real_root=' + usb_disk + ' slowusb subdir=/multibootusb/' +
iso_basename(iso_link) + '/ ', string, flags=re.I)
string = re.sub(r'slowusb', 'slowusb loop=/multibootusb/' +
iso_basename(iso_link) + '/liberte/boot/root-x86.sfs', string, flags=re.I)
string = re.sub(r'cdroot_hash=\S*', '', string, flags=re.I)
elif distro == "systemrescuecd":
rows = []
subdir = '/multibootusb/' + iso_basename(iso_link)
for line in string.splitlines(True):
addline = True
if re.match(r'append.*--.*', line, flags=re.I):
line = re.sub(r'(append)(.*)--(.*)', r'\1\2subdir=' + subdir + r' --\3 subdir=' + subdir,
line, flags=re.I)
elif re.match(r'append', line, flags=re.I):
line = re.sub(r'(append)', r'\1 subdir=' + subdir, line, flags=re.I)
elif re.match(r'label rescue(32|64)_1', line, flags=re.I):
rows.append(line)
rows.append('append subdir=%s\n' % (subdir,))
addline = False
if addline:
rows.append(line)
string = ''.join(rows)
elif distro in ["arch", "chakra"]:
string = re.sub(r'isolabel=\S*',
'isodevice=/dev/disk/by-uuid/' + usb_uuid, string, flags=re.I)
string = re.sub(r'isobasedir=',
'isobasedir=/multibootusb/' + iso_basename(iso_link) + '/', string, flags=re.I)
string = re.sub(r'ui gfxboot', '# ui gfxboot', string) # Bug in the isolinux package
if 'manjaro' in string:
if not os.path.exists(os.path.join(usb_mount, '.miso')):
with open(os.path.join(usb_mount, '.miso'), "w") as f:
f.write('')
elif distro == "kaos":
string = re.sub(r'kdeosisolabel=\S*',
'kdeosisodevice=/dev/disk/by-uuid/' + usb_uuid, string, flags=re.I)
string = re.sub(r'append',
'append kdeosisobasedir=/multibootusb/' + iso_basename(iso_link) + '/kdeos/', string, flags=re.I)
string = re.sub(r'ui gfxboot', '# ui gfxboot', string) # Bug in the isolinux package
elif distro in ["suse", "opensuse"]:
if re.search(r'opensuse_12', string, re.I):
string = re.sub(r'append',
'append loader=syslinux isofrom_system=/dev/disk/by-uuid/' + usb_uuid + ":/" +
iso_name(iso_link), string, flags=re.I)
else:
string = re.sub(r'append',
'append loader=syslinux isofrom_device=/dev/disk/by-uuid/' + usb_uuid +
' isofrom_system=/multibootusb/' + iso_basename(iso_link) + '/' + iso_name(iso_link),
string, flags=re.I)
elif distro == 'opensuse-install':
string = re.sub(r'splash=silent', 'splash=silent install=hd:/dev/disk/by-uuid/'
+ config.usb_uuid + '/multibootusb/' + iso_basename(iso_link), string)
elif distro == "pclinuxos":
string = re.sub(r'livecd=',
'fromusb livecd=' + '/multibootusb/' + iso_basename(iso_link) + '/',
string)
string = re.sub(r'prompt', '#prompt', string)
string = re.sub(r'ui gfxboot.com', '#ui gfxboot.com', string)
string = re.sub(r'timeout', '#timeout', string)
elif distro == "wifislax":
string = re.sub(r'vmlinuz',
'vmlinuz from=multibootusb/' + iso_basename(iso_link) + ' noauto', string)
string = re.sub(r'vmlinuz2',
'vmlinuz2 from=multibootusb/' + iso_basename(iso_link) + ' noauto', string)
elif distro == "porteus":
string = re.sub(r'APPEND',
'APPEND from=/multibootusb/' + iso_basename(iso_link) + ' noauto', string)
string = re.sub(r'vmlinuz2',
'vmlinuz2 from=multibootusb/' + iso_basename(iso_link) + ' noauto', string)
elif distro == "hbcd":
if not 'multibootusb' in string:
string = re.sub(r'/HBCD', '/multibootusb/' + iso_basename(iso_link) + '/HBCD', string)
elif distro == "zenwalk":
string = re.sub(r'initrd=',
'from=/multibootusb/' + iso_basename(iso_link) + '/' + iso_name(iso_link) + ' initrd=',
string)
elif distro == "mageialive":
string = re.sub(r'LABEL=\S*', 'LABEL=' + usb_label, string)
elif distro == "antix":
string = re.sub(r'APPEND', 'image_dir=/multibootusb/' + iso_basename(iso_link), string)
elif distro == "solydx":
string = re.sub(r'live-media-path=', 'live-media-path=/multibootusb/' + iso_basename(iso_link),
string)
elif distro == "salix-live":
string = re.sub(r'iso_path', '/multibootusb/' + iso_basename(iso_link) + '/' + iso_name(iso_link),
string)
string = re.sub(r'initrd', 'fromiso=/multibootusb/' + iso_basename(iso_link) + '/' +
iso_name(iso_link) + ' initrd', string)
elif distro == 'alt-linux':
string = re.sub(r':cdrom', ':disk', string)
elif distro == 'fsecure':
string = re.sub(r'APPEND ramdisk_size', 'APPEND noprompt ' + 'knoppix_dir=/multibootusb/' + iso_basename(iso_link)
+ '/KNOPPIX ramdisk_size', string)
elif distro == 'alpine':
string = re.sub(r'modules', 'alpine_dev=usbdisk:vfat modules', string)
elif config.distro == 'trinity-rescue':
# USB disk must have volume label to work properly
string = re.sub(r'initrd=', 'vollabel=' + config.usb_label + ' initrd=', string)
string = re.sub(r'root=\S*', 'root=/dev/ram0', string, flags=re.I)
config_file = open(cfg_file, "w")
config_file.write(string)
config_file.close()
update_mbusb_cfg_file(iso_link, usb_uuid, usb_mount, distro)
grub.mbusb_update_grub_cfg()
# Ensure that isolinux.cfg file is copied as syslinux.cfg to boot correctly.
for dirpath, dirnames, filenames in os.walk(install_dir):
for f in filenames:
if f.lower().endswith("isolinux.cfg"):
if not os.path.exists(os.path.join(dirpath, "syslinux.cfg")):
try:
shutil.copyfile(os.path.join(dirpath, f), os.path.join(dirpath, "syslinux.cfg"))
except Exception as e:
log('Copying isolinux to syslinux failed...')
log(e)
else:
continue
# Assertain if the entry is made..
sys_cfg_file = os.path.join(config.usb_mount, "multibootusb", "syslinux.cfg")
if gen.check_text_in_file(sys_cfg_file, iso_basename(config.image_path)):
log('Updated entry in syslinux.cfg...')
else:
log('Unable to update entry in syslinux.cfg...')
# Check if bootx64.efi is replaced by distro
efi_grub_img = os.path.join(config.usb_mount, 'EFI', 'BOOT', 'bootx64.efi')
if not os.path.exists(efi_grub_img):
gen.log('EFI image does not exist. Copying now...')
shutil.copy2(resource_path(os.path.join("data", "EFI", "BOOT", "bootx64.efi")),
os.path.join(config.usb_mount, 'EFI', 'BOOT'))
elif gen.grub_efi_exist(efi_grub_img) is False:
gen.log('EFI image overwritten by distro install. Replacing it now...')
shutil.copy2(resource_path(os.path.join("data", "EFI", "BOOT", "bootx64.efi")),
os.path.join(config.usb_mount, 'EFI', 'BOOT'))
else:
gen.log('multibootusb EFI image already exist. Not copying...')
def update_mbusb_cfg_file(iso_link, usb_uuid, usb_mount, distro):
"""
Update main multibootusb suslinux.cfg file after distro is installed.
:return:
"""
if platform.system() == 'Linux':
os.sync()
log('Updating multibootusb config file...')
sys_cfg_file = os.path.join(usb_mount, "multibootusb", "syslinux.cfg")
install_dir = os.path.join(usb_mount, "multibootusb", iso_basename(iso_link))
if os.path.exists(sys_cfg_file):
if distro == "hbcd":
if os.path.exists(os.path.join(usb_mount, "multibootusb", "menu.lst")):
_config_file = os.path.join(usb_mount, "multibootusb", "menu.lst")
config_file = open(_config_file, "w")
string = re.sub(r'/HBCD', '/multibootusb/' + iso_basename(iso_link) + '/HBCD', _config_file)
config_file.write(string)
config_file.close()
with open(sys_cfg_file, "a") as f:
f.write("#start " + iso_basename(config.image_path) + "\n")
f.write("LABEL " + iso_basename(config.image_path) + "\n")
f.write("MENU LABEL " + iso_basename(config.image_path) + "\n")
f.write("BOOT " + '/multibootusb/' + iso_basename(iso_link) + '/' + isolinux_bin_dir(iso_link).replace("\\", "/") + '/' + distro + '.bs' + "\n")
f.write("#end " + iso_basename(config.image_path) + "\n")
elif distro == "Windows":
if os.path.exists(sys_cfg_file):
config_file = open(sys_cfg_file, "a")
config_file.write("#start " + iso_basename(iso_link) + "\n")
config_file.write("LABEL " + iso_basename(iso_link) + "\n")
config_file.write("MENU LABEL " + iso_basename(iso_link) + "\n")
config_file.write("KERNEL chain.c32 hd0 1 ntldr=/bootmgr" + "\n")
config_file.write("#end " + iso_basename(iso_link) + "\n")
config_file.close()
elif distro == 'f4ubcd':
if os.path.exists(sys_cfg_file):
config_file = open(sys_cfg_file, "a")
config_file.write("#start " + iso_basename(iso_link) + "\n")
config_file.write("LABEL " + iso_basename(iso_link) + "\n")
config_file.write("MENU LABEL " + iso_basename(iso_link) + "\n")
config_file.write("KERNEL grub.exe" + "\n")
config_file.write('APPEND --config-file=/multibootusb/' + iso_basename(config.image_path) + '/menu.lst' + "\n")
config_file.write("#end " + iso_basename(iso_link) + "\n")
config_file.close()
elif distro == 'kaspersky':
if os.path.exists(sys_cfg_file):
config_file = open(sys_cfg_file, "a")
config_file.write("#start " + iso_basename(iso_link) + "\n")
config_file.write("LABEL " + iso_basename(iso_link) + "\n")
config_file.write("MENU LABEL " + iso_basename(iso_link) + "\n")
config_file.write("CONFIG " + '/multibootusb/' + iso_basename(config.image_path) + '/kaspersky.cfg' + "\n")
config_file.write("#end " + iso_basename(iso_link) + "\n")
config_file.close()
elif distro == 'grub4dos':
update_menu_lst()
elif distro == 'grub4dos_iso':
update_grub4dos_iso_menu()
else:
config_file = open(sys_cfg_file, "a")
config_file.write("#start " + iso_basename(iso_link) + "\n")
config_file.write("LABEL " + iso_basename(iso_link) + "\n")
config_file.write("MENU LABEL " + iso_basename(iso_link) + "\n")
if distro == "salix-live":
if os.path.exists(os.path.join(config.usb_mount, 'multibootusb', iso_basename(iso_link), 'boot', 'grub2-linux.img')):
config_file.write(
"LINUX " + '/multibootusb/' + iso_basename(iso_link) + '/boot/grub2-linux.img' + "\n")
else:
config_file.write("BOOT " + '/multibootusb/' + iso_basename(iso_link) + '/' + isolinux_bin_dir(iso_link).replace("\\", "/") + '/' + distro + '.bs' + "\n")
elif distro == "pclinuxos":
config_file.write("kernel " + '/multibootusb/' + iso_basename(iso_link) + '/isolinux/vmlinuz' + "\n")
config_file.write("append livecd=livecd root=/dev/rd/3 acpi=on vga=788 keyb=us vmalloc=256M nokmsboot "
"fromusb root=UUID=" + usb_uuid + " bootfromiso=/multibootusb/" +
iso_basename(iso_link) + "/" + iso_name(iso_link) + " initrd=/multibootusb/"
+ iso_basename(iso_link) + '/isolinux/initrd.gz' + "\n")
elif distro == "memtest":
config_file.write("kernel " + '/multibootusb/' + iso_basename(iso_link) + '/BOOT/MEMTEST.IMG\n')
elif distro == "sgrubd2" or config.distro == 'raw_iso':
config_file.write("LINUX memdisk\n")
config_file.write("INITRD " + "/multibootusb/" + iso_basename(iso_link) + '/' + iso_name(iso_link) + '\n')
config_file.write("APPEND iso\n")
elif distro == 'ReactOS':
config_file.write("COM32 mboot.c32" + '\n')
config_file.write("APPEND /loader/setupldr.sys" + '\n')
elif distro == 'pc-unlocker':
config_file.write("kernel ../ldntldr" + '\n')
config_file.write("append initrd=../ntldr" + '\n')
elif distro == 'pc-tool':
config_file.write(menus.pc_tool_config(syslinux=True, grub=False))
elif distro == 'grub2only':
config_file.write(menus.grub2only())
elif distro == 'memdisk_iso':
print(menus.memdisk_iso_cfg(syslinux=True, grub=False))
config_file.write(menus.memdisk_iso_cfg(syslinux=True, grub=False))
elif distro == 'memdisk_img':
config_file.write(menus.memdisk_img_cfg(syslinux=True, grub=False))
else:
if isolinux_bin_exist(config.image_path) is True:
if distro == "generic":
distro_syslinux_install_dir = isolinux_bin_dir(iso_link)
if isolinux_bin_dir(iso_link) != "/":
distro_sys_install_bs = os.path.join(usb_mount, isolinux_bin_dir(iso_link)) + '/' + distro + '.bs'
else:
distro_sys_install_bs = '/' + distro + '.bs'
else:
distro_syslinux_install_dir = install_dir
distro_syslinux_install_dir = distro_syslinux_install_dir.replace(usb_mount, '')
distro_sys_install_bs = distro_syslinux_install_dir + '/' + isolinux_bin_dir(iso_link) + '/' + distro + '.bs'
distro_sys_install_bs = "/" + distro_sys_install_bs.replace("\\", "/") # Windows path issue.
if config.syslinux_version == '3':
config_file.write("CONFIG /multibootusb/" + iso_basename(iso_link) + '/' + isolinux_bin_dir(iso_link).replace("\\", "/") + '/isolinux.cfg\n')
config_file.write("APPEND /multibootusb/" + iso_basename(iso_link) + '/' + isolinux_bin_dir(iso_link).replace("\\", "/") + '\n')
config_file.write("# Delete or comment above two lines using # and remove # from below line if "
"you get not a COM module error.\n")
config_file.write("#BOOT " + distro_sys_install_bs.replace("//", "/") + "\n")
else:
config_file.write("BOOT " + distro_sys_install_bs.replace("//", "/") + "\n")
config_file.write("#end " + iso_basename(iso_link) + "\n")
config_file.close()
def kaspersky_config(distro):
if distro == 'kaspersky':
return """
menu label Kaspersky Rescue Disk
kernel $INSTALL_DIR/boot/rescue
append root=live:UUID= live_dir=$INSTALL_DIR/rescue/LiveOS/ subdir=$INSTALL_DIR/rescue/LiveOS/ looptype=squashfs rootfstype=auto vga=791 init=/linuxrc loop=$INSTALL_DIR/rescue/LiveOS/squashfs.img initrd=$INSTALL_DIR/boot/rescue.igz lang=en udev liveimg splash quiet doscsi nomodeset
label text
menu label Kaspersky Rescue Disk - Text Mode
kernel $INSTALL_DIR/boot/rescue
append root=live:UUID= live_dir=$INSTALL_DIR/rescue/LiveOS/ subdir=$INSTALL_DIR/rescue/LiveOS/ rootfstype=auto vga=791 init=/linuxrc loop=/multiboot/rescue/LiveOS/squashfs.img initrd=$INSTALL_DIR/boot/rescue.igz SLUG_lang=en udev liveimg quiet nox shell noresume doscsi nomodeset
label hwinfo
menu label Kaspersky Hardware Info
kernel $INSTALL_DIR/boot/rescue
append root=live:UUID= live_dir=$INSTALL_DIR/rescue/LiveOS/ subdir=$INSTALL_DIR/rescue/LiveOS/ rootfstype=auto vga=791 init=/linuxrc loop=$INSTALL_DIR/rescue/LiveOS/squashfs.img initrd=$INSTALL_DIR/boot/rescue.igz SLUG_lang=en udev liveimg quiet softlevel=boot nox hwinfo noresume doscsi nomodeset """
def update_menu_lst():
sys_cfg_file = os.path.join(config.usb_mount, "multibootusb", "syslinux.cfg")
# install_dir = os.path.join(config.usb_mount, "multibootusb", iso_basename(config.image_path))
menu_lst = iso_menu_lst_path(config.image_path).replace("\\", "/")
with open(sys_cfg_file, "a") as f:
f.write("#start " + iso_basename(config.image_path) + "\n")
f.write("LABEL " + iso_basename(config.image_path) + "\n")
f.write("MENU LABEL " + iso_basename(config.image_path) + "\n")
f.write("KERNEL grub.exe" + "\n")
f.write('APPEND --config-file=/' + menu_lst + "\n")
f.write("#end " + iso_basename(config.image_path) + "\n")
def update_grub4dos_iso_menu():
sys_cfg_file = os.path.join(config.usb_mount, "multibootusb", "syslinux.cfg")
install_dir = os.path.join(config.usb_mount, "multibootusb", iso_basename(config.image_path))
menu_lst_file = os.path.join(install_dir, 'menu.lst')
with open(menu_lst_file, "w") as f:
f.write("title Boot " + iso_name(config.image_path) + "\n")
f.write("find --set-root --ignore-floppies --ignore-cd /multibootusb/" + iso_basename(config.image_path) + '/'
+ iso_name(config.image_path) + "\n")
f.write("map --heads=0 --sectors-per-track=0 /multibootusb/" + iso_basename(config.image_path)
+ '/' + iso_name(config.image_path) + ' (hd32)' + "\n")
f.write("map --hook" + "\n")
f.write("chainloader (hd32)")
with open(sys_cfg_file, "a") as f:
f.write("#start " + iso_basename(config.image_path) + "\n")
f.write("LABEL " + iso_basename(config.image_path) + "\n")
f.write("MENU LABEL " + iso_basename(config.image_path) + "\n")
f.write("KERNEL grub.exe" + "\n")
f.write('APPEND --config-file=/multibootusb/' + iso_basename(config.image_path) + '/menu.lst' + "\n")
f.write("#end " + iso_basename(config.image_path) + "\n")