device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
register_tmpfile(device_mountpoint)
try:
- mount(device, device_mountpoint, "")
-
# If using --grub-mbr then make sure we install grub in MBR instead of PBR
if options.grubmbr:
logging.debug("Using option --grub-mbr ...")
grub_device = device
set_rw(device)
- set_rw(grub_device)
+ mount(device, device_mountpoint, "")
logging.info("Installing grub as bootloader")
- for opt in ["", "--force"]:
- logging.debug("grub-install --recheck %s --no-floppy --root-directory=%s %s",
- opt, device_mountpoint, grub_device)
- proc = subprocess.Popen([GRUB_INSTALL, "--recheck", opt,
+ for opt in ["--", "--force"]:
+ set_rw(device)
+ set_rw(grub_device)
+ logging.debug("%s --recheck --no-floppy --target=i386-pc --root-directory=%s %s %s",
+ GRUB_INSTALL, device_mountpoint, opt, grub_device)
+ proc = subprocess.Popen([GRUB_INSTALL, "--recheck",
"--no-floppy", "--target=i386-pc",
- "--root-directory=%s" % device_mountpoint, grub_device],
+ "--root-directory=%s" % device_mountpoint,
+ opt, grub_device],
stdout=file(os.devnull, "r+"))
proc.wait()
if proc.returncode == 0:
logging.debug("Source %s is not a device, therefore not mounting.", source)
return 0
- set_rw(source)
-
logging.debug("mount %s %s %s", mount_options, source, target)
proc = subprocess.Popen(["mount"] + list(mount_options) + [source, target])
proc.wait()
# ipxe.lkrn
handle_addon_copy('ipxe.lkrn', addons, iso_mount)
+ # netboot.xyz
+ handle_addon_copy('netboot.xyz.lkrn', addons, iso_mount)
+
def build_loopbackcfg(target):
"""Generate GRUB's loopback.cfg based on existing config files.
if efi_img:
mkdir(target + '/boot/')
exec_rsync(efi_img, target + '/boot/efi.img')
+ handle_secure_boot(target, efi_img)
for ffile in ['f%d' % number for number in range(1, 11)]:
search_and_copy(ffile, iso_mount, syslinux_target + ffile)
logging.debug("Updating grub configuration")
grub_target = target + '/boot/grub/'
+ secureboot_target = target + '/EFI/ubuntu/'
bootid_re = re.compile("bootid=[\w_-]+")
live_media_path_re = re.compile("live-media-path=[\w_/-]+")
remove_regexes.append(re.compile(regex))
shortname = get_shortname(grml_flavour)
- for filename in glob.glob(grub_target + '*.cfg'):
+ for filename in glob.glob(grub_target + '*.cfg') + glob.glob(secureboot_target + '*.cfg'):
for line in fileinput.input(filename, inplace=1):
line = line.rstrip("\r\n")
if option_re.search(line):
add_syslinux_entry("%s/additional.cfg" % syslinux_target, flavour_filename)
+def handle_secure_boot(target, efi_img):
+ """Provide secure boot support by extracting files from /boot/efi.img
+
+ @target: path where grml's main files should be copied to
+ @efi_img: path to the efi.img file that includes the files for secure boot
+ """
+
+ mkdir(target + '/efi/boot/')
+ efi_mountpoint = tempfile.mkdtemp(prefix="grml2usb", dir=os.path.abspath(options.tmpdir))
+ logging.debug("efi_mountpoint = %s" % efi_mountpoint)
+ register_tmpfile(efi_mountpoint)
+
+ try:
+ logging.debug("mount(%s, %s, ['-o', 'ro', '-t', 'vfat']" % (efi_img, efi_mountpoint))
+ mount(efi_img, efi_mountpoint, ['-o', 'ro', '-t', 'vfat'])
+ except CriticalException as error:
+ logging.critical("Fatal: %s", error)
+ sys.exit(1)
+
+ ubuntu_cfg = search_file('grub.cfg', efi_mountpoint + '/EFI/ubuntu')
+ logging.debug("ubuntu_cfg = %s" % ubuntu_cfg)
+ if not ubuntu_cfg:
+ logging.info("No /EFI/ubuntu/grub.cfg found inside EFI image, looks like Secure Boot support is missing.")
+ else:
+ mkdir(target + '/efi/ubuntu')
+ logging.debug("exec_rsync(%s, %s + '/efi/ubuntu/grub.cfg')" % (ubuntu_cfg, target))
+ exec_rsync(ubuntu_cfg, target + '/efi/ubuntu/grub.cfg')
+
+ logging.debug("exec_rsync(%s + '/EFI/BOOT/grubx64.efi', %s + '/efi/boot/grubx64.efi')'" % (efi_mountpoint, target))
+ exec_rsync(efi_mountpoint + '/EFI/BOOT/grubx64.efi', target + '/efi/boot/grubx64.efi')
+
+ # NOTE - we're overwriting /efi/boot/bootx64.efi from copy_bootloader_files here
+ logging.debug("exec_rsync(%s + '/EFI/BOOT/bootx64.efi', %s + '/efi/boot/bootx64.efi')'" % (efi_mountpoint, target))
+ exec_rsync(efi_mountpoint + '/EFI/BOOT/bootx64.efi', target + '/efi/boot/bootx64.efi')
+
+ try:
+ unmount(efi_mountpoint, "")
+ logging.debug('Unmounted %s' % efi_mountpoint)
+ os.rmdir(efi_mountpoint)
+ logging.debug('Removed directory %s' % efi_mountpoint)
+ except StandardError:
+ logging.critical('RuntimeError while umount %s' % efi_mountpoint)
+ sys.exit(1)
+
+
def handle_bootloader_config(grml_flavour, device, target):
"""Main handler for generating bootloader's configuration
check_for_fat(device)
if not options.skipbootflag:
check_boot_flag(device)
+
+ set_rw(device)
mount(device, device_mountpoint, ['-o', 'utf8,iocharset=iso8859-1'])
except CriticalException as error:
mount(device, device_mountpoint, "")
if not os.path.isdir(device):
if device[-1:].isdigit():
if int(device[-1:]) > 4 or device[-2:].isdigit():
- logging.critical("Fatal: installation on partition number >4 not supported. (BIOS won't support it.)")
- sys.exit(1)
+ logging.warn("Warning: installing on partition number >4, booting *might* fail depending on your system.")
# provide upgrade path
handle_compat_warning(device)
projects / grml2usb.git / blobdiff