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@ -19,23 +19,72 @@ syslinux_path = os.path.join(multibootusb_host_dir(), "syslinux", "bin", "syslin
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extlinux_fs = ["ext2", "ext3", "ext4", "Btrfs"]
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syslinux_fs = ["vfat", "ntfs", "FAT32", "NTFS"]
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mbr_bin = resource_path(os.path.join("data", "tools", "mbr.bin"))
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win_gdisk = resource_path(os.path.join('data', 'tools', 'gdisk', 'gdisk.exe'))
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def gpt_part_table(usb_disk):
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"""
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Check if selected USB contain GPT or MBR partition table
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:return: True if GPT else False
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"""
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if platform.system() == "Linux":
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_cmd_out = subprocess.check_output("parted " + usb_disk[:-1] + " print", shell=True)
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if b'msdos' in _cmd_out:
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return False
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elif b'gpt' in _cmd_out:
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return True
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elif platform.system() == 'Windows':
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win_usb_disk_no = str(usb.get_physical_disk_number(config.usb_disk))
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if config.usb_gpt is True:
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return True
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elif config.usb_gpt is False:
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return False
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def get_mbr_bin_path(usb_disk):
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"""
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Check if partition table type is mbr or gpr using parted command under Linux
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:param usb_disk: path to whole USB disk '/dev/sdb'
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:return: Path to mbr.bin for use
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"""
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if config.usb_gpt is False:
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log('Using mbr.bin msdos mbr install.')
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return resource_path(os.path.join("data", "tools", "mbr.bin"))
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elif config.usb_gpt is True:
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log('Using gptmbr.bin for mbr install.')
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return resource_path(os.path.join("data", "tools", "gptmbr.bin"))
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return False
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def set_boot_flag(usb_disk):
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if platform.system() == "Linux":
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log("\nChecking boot flag on " + usb_disk[:-1], '\n')
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cmd_out = subprocess.check_output("parted -m -s " + usb_disk[:-1] + " print", shell=True)
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if b'boot' in cmd_out:
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log("\nDisk " + usb_disk[:-1] + " already has boot flag.\n")
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return True
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else:
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log("\nExecuting ==> parted " + usb_disk[:-1] + " set 1 boot on", '\n')
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if subprocess.call("parted " + usb_disk[:-1] + " set 1 boot on", shell=True) == 0:
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log("\nBoot flag set to bootable " + usb_disk[:-1], '\n')
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if gpt_part_table(usb_disk) is False:
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if b'boot' in cmd_out:
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log("\nDisk " + usb_disk[:-1] + " already has boot flag.\n")
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return True
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else:
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log("\nUnable to set boot flag on " + usb_disk[:-1], '\n')
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return False
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log("\nExecuting ==> parted " + usb_disk[:-1] + " set 1 boot on", '\n')
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if subprocess.call("parted " + usb_disk[:-1] + " set 1 boot on", shell=True) == 0:
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log("\nBoot flag set to bootable " + usb_disk[:-1], '\n')
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return True
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else:
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log("\nUnable to set boot flag on " + usb_disk[:-1], '\n')
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return False
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elif gpt_part_table(usb_disk) is True:
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if b'legacy_boot' in cmd_out:
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log("\nGPT Disk " + usb_disk[:-1] + " already has legacy_boot flag.\n")
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return True
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else:
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log("\nExecuting ==> parted " + usb_disk[:-1] + " set 1 legacy_boot on", '\n')
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if subprocess.call("parted " + usb_disk[:-1] + " set 1 legacy_boot on", shell=True) == 0:
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log("\nBoot flag set to legacy_boot " + usb_disk[:-1], '\n')
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return True
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else:
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log("\nUnable to set legacy_boot flag on " + usb_disk[:-1], '\n')
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return False
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def syslinux_default(usb_disk):
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@ -48,8 +97,17 @@ def syslinux_default(usb_disk):
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usb_details = usb.details(usb_disk)
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usb_fs = usb_details['file_system']
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usb_mount = usb_details['mount_point']
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mbr_install_cmd = 'dd bs=440 count=1 conv=notrunc if=' + mbr_bin + ' of=' + usb_disk[:-1]
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# log(usb_fs)
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mbr_bin = get_mbr_bin_path(usb_disk)
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if platform.system() == 'Linux':
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mbr_install_cmd = 'dd bs=440 count=1 conv=notrunc if=' + mbr_bin + ' of=' + usb_disk[:-1]
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else:
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win_usb_disk_no = str(usb.get_physical_disk_number(config.usb_disk))
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_windd = resource_path(os.path.join("data", "tools", "dd", "dd.exe"))
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_input = "if=" + mbr_bin
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_output = 'of=\\\.\\physicaldrive' + win_usb_disk_no
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mbr_install_cmd = _windd + ' ' + _input + ' ' + _output + ' count=1'
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if usb_fs in extlinux_fs:
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extlinu_cmd = extlinux_path + ' --install ' + os.path.join(usb_mount, 'multibootusb')
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if os.access(extlinux_path, os.X_OK) is False:
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@ -78,6 +136,7 @@ def syslinux_default(usb_disk):
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if subprocess.call(syslinux_cmd, shell=True) == 0:
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log("\nDefault syslinux install is success...\n")
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config.status_text = 'Default syslinux successfully installed...'
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log('\nExecuting ==> ' + mbr_install_cmd)
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if subprocess.call(mbr_install_cmd, shell=True) == 0:
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config.status_text = 'mbr install is success...'
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log("\nmbr install is success...\n")
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@ -90,12 +149,35 @@ def syslinux_default(usb_disk):
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elif platform.system() == "Windows":
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syslinux = resource_path(os.path.join(multibootusb_host_dir(), "syslinux", "bin", "syslinux4.exe"))
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log('Executing ==>' + syslinux + ' -maf -d multibootusb ' + usb_disk)
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config.status_text = 'Installing default syslinux version 4...'
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if subprocess.call(syslinux + ' -maf -d multibootusb ' + usb_disk, shell=True) == 0:
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# syslinux_cmd = syslinux + ' -maf -d multibootusb ' + usb_disk
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if config.usb_gpt is False:
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syslinux_cmd = syslinux + ' -maf -d multibootusb ' + usb_disk
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else:
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syslinux_cmd = syslinux + ' -af -d multibootusb ' + usb_disk
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log('Executing ==> ' + syslinux_cmd)
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'''
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if gpt_part_table(config.usb_disk) is False:
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syslinux_cmd = syslinux + ' -maf -d multibootusb ' + usb_disk
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else:
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syslinux_cmd = syslinux + ' -af -d multibootusb ' + usb_disk
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'''
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if subprocess.call(syslinux_cmd, shell=True) == 0:
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config.status_text = 'Default syslinux successfully installed...'
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log("\nDefault syslinux install is success...\n")
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return True
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# We will need to flash gptmbr.bin only for GPT disk. As of version 8.9.0 this corrupts the gpt disk.
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# Therefore not included for BIOS booting. GPT disk may work on UEFI system.
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# if gpt_part_table(config.usb_disk) is True:
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'''
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if config.usb_gpt is False:
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log('\nExecuting ==> ' + mbr_install_cmd)
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if subprocess.call(mbr_install_cmd, shell=True) == 0:
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log("\nmbr install is success...\n")
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return True
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else:
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log('Disk uses GPT and mbr install is not required...')
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'''
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else:
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log("\nFailed to install default syslinux...\n")
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config.status_text = 'Failed to install default syslinux...'
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@ -203,6 +285,51 @@ def syslinux_distro_dir(usb_disk, iso_link, distro):
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else:
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log("\nFailed to install syslinux on distro directory...\n")
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def replace_grub_binary():
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"""
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This function checks if correct binary is installed on grub and EFI directory.
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If mismatch is found between partition table and binary, replace it correct one.
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Default binaries will work for msdos partition table and therefore need not be replaced.
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:return:
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"""
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grub_efi_bin_path = os.path.join(config.usb_mount, 'EFI', 'BOOT', 'bootx64.efi')
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grub_efi_bin_gpt_path = os.path.join(config.usb_mount, 'EFI', 'BOOT', 'bootx64-gpt.efi')
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grub_efi_bin_msdos_path = os.path.join(config.usb_mount, 'EFI', 'BOOT', 'bootx64-msdos.efi')
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core_img_bin_path = os.path.join(config.usb_mount, 'multibootusb', 'grub', 'core.img')
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core_img_bin_msdos_path = os.path.join(config.usb_mount, 'multibootusb', 'grub', 'core-msdos.img')
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core_img_bin_gpt_path = os.path.join(config.usb_mount, 'multibootusb', 'grub', 'core-gpt.img')
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if platform.system() in ['Linux', 'Windows']:
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if gpt_part_table(config.usb_disk) is True:
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log('Replacing efi binary with gpt compatible one...')
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try:
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shutil.copy(grub_efi_bin_gpt_path, grub_efi_bin_path)
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except Exception as e:
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log(e)
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log('Failed to replace efi binary...')
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log('Replacing core.img binary with gpt compatible one...')
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try:
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shutil.copy(core_img_bin_gpt_path, core_img_bin_path)
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except Exception as e:
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log(e)
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log('Failed to replace efi binary...')
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else:
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log('Replacing efi binary with msdos compatible one...')
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try:
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# shutil.copy(core_img_bin_gpt_path, core_img_bin_path)
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shutil.copy(grub_efi_bin_msdos_path, grub_efi_bin_path)
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except Exception as e:
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log(e)
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log('Failed to replace efi binary...')
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try:
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log('Replacing core.img with msdos compatible one...')
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shutil.copy(core_img_bin_msdos_path, core_img_bin_path)
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except Exception as e:
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log(e)
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log('Failed to replace core.img binary...')
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if __name__ == '__main__':
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if os.geteuid() != 0:
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log('Please running this script with sudo/root/admin privilage.')
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mbusb
7 years ago