#!/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) 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) 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) 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()) 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') 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) + '/' + iso_name(config.image_path) + "\n") f.write("#end " + iso_basename(config.image_path) + "\n")