예제 #1
0
    def test_is_mounted1(self):
        #If not mounted, mount it
        if not Functions.is_mounted(self.path):
            self.assertEqual(
                CoreTools.mount_partition(self.path, "/tmp/wxfixbootmtpt"), 0)

        self.assertTrue(CoreTools.is_mounted(self.path))
예제 #2
0
파일: main.py 프로젝트: hamishmb/wxfixboot
def get_oss():
    """Get the names of all OSs on the HDDs."""
    logger.info("get_oss(): Finding operating systems...")
    root_filesystem = CoreTools.get_partition_mounted_at("/")
    os_info = {}

    #Get Linux OSs.
    keys = list(DISK_INFO.keys())
    keys.sort()

    for partition in keys:
        if DISK_INFO[partition]["Type"] == "Device":
            continue

        elif DISK_INFO[partition]["FileSystem"] in ("hfsplus", "hfs", "apfs"):
            #TODO Check if this is what APFS shows up as.
            #Look for macOS.
            os_name = "macOS ("+partition+")"
            logger.debug("get_oss(): Looking for macOS on "+partition+"...")

            #Check if we need to mount the partition.
            was_mounted = False

            if CoreTools.is_mounted(partition):
                #If mounted, get the mountpoint.
                mount_point = CoreTools.get_mount_point_of(partition)

            else:
                #Mount the partition and check if anything went wrong.
                mount_point = "/mnt/wxfixboot/mountpoints"+partition

                if CoreTools.mount_partition(partition=partition, mount_point=mount_point) != 0:
                    #Ignore the partition.
                    logger.warning("get_oss(): Couldn't mount "+partition
                                   + "! Skipping this partition...")

                    continue

                was_mounted = True

            if os.path.exists(mount_point+"/mach_kernel") \
                or os.path.exists(mount_point+"/System/Library/Kernels/kernel"):

                #Create OS_INFO entry for it.
                logger.debug("get_oss(): Found "+os_name+"...")
                os_info[os_name] = {}
                os_info[os_name]["Name"] = os_name
                os_info[os_name]["IsCurrentOS"] = False
                os_info[os_name]["Arch"] = "Unknown"
                os_info[os_name]["Partition"] = partition
                os_info[os_name]["PackageManager"] = "Mac App Store"

                os_info[os_name]["RawFSTabInfo"], os_info[os_name]["EFIPartition"], \
                os_info[os_name]["BootPartition"] = (["Unknown"], "Unknown", "Unknown")

            #unmount the filesystem if needed.
            if was_mounted:
                if CoreTools.unmount(mount_point) != 0:
                    logger.error("get_oss(): Couldn't unmount "+partition
                                 + "! Doing emergency exit...")

                    CoreTools.emergency_exit("Couldn't unmount "+partition+" after looking for "
                                             + "operating systems on it! Please reboot your "
                                             + "computer and try again.")

        elif DISK_INFO[partition]["FileSystem"] in ("vfat", "ntfs", "exfat"):
            #Look for Windows. NOTE: It seems NTFS volumes can't be mounted twice, which is why
            #we're being more careful here.
            #TODO ^ Check, I think it worked before. Good to be cautious either way.
            logger.debug("get_oss(): Looking for Windows on "+partition+"...")

            #Check if we need to mount the partition.
            was_mounted = False

            if CoreTools.is_mounted(partition):
                #If mounted, get the mountpoint.
                mount_point = CoreTools.get_mount_point_of(partition)

            else:
                #Mount the partition and check if anything went wrong.
                mount_point = "/mnt/wxfixboot/mountpoints"+partition

                if CoreTools.mount_partition(partition=partition, mount_point=mount_point) != 0:
                    #Ignore the partition.
                    logger.warning("get_oss(): Couldn't mount "+partition
                                   + "! Skipping this partition...")

                    continue

                was_mounted = True

            #Check if there's a Windows/WinNT dir.
            if not (os.path.isdir(mount_point+"/WinNT") or os.path.isdir(mount_point+"/Windows") \
                or os.path.isdir(mount_point+"/WINDOWS")):

                #Skip this partition, and unmount if needed.
                logger.info("get_oss(): Windows wasn't found...")

            else:
                #Look for lots of different Windows editions.
                #Look for the newest ones first, due to references to old versions
                #in the licenses messing up our version detection.
                if CoreStartupTools.has_windows_10(mount_point):
                    os_name = "Windows 10"

                elif CoreStartupTools.has_windows_8(mount_point):
                    os_name = "Windows 8/8.1"

                elif CoreStartupTools.has_windows_7(mount_point):
                    os_name = "Windows 7"

                elif CoreStartupTools.has_windows_vista(mount_point):
                    os_name = "Windows Vista"

                elif CoreStartupTools.has_windows_xp(mount_point):
                    os_name = "Windows XP"

                elif CoreStartupTools.has_windows_9x(mount_point):
                    os_name = "Windows 95/98/ME"

                else:
                    #Unknown Windows.
                    os_name = "Windows"

                #Create os_info entry for it.
                os_name = os_name+" ("+partition+")"
                logger.debug("get_oss(): Found "+os_name+"...")
                os_info[os_name] = {}
                os_info[os_name]["Name"] = os_name
                os_info[os_name]["IsCurrentOS"] = False
                os_info[os_name]["Arch"] = "Unknown"
                os_info[os_name]["Partition"] = partition
                os_info[os_name]["PackageManager"] = "Windows Installer"

                os_info[os_name]["RawFSTabInfo"], os_info[os_name]["EFIPartition"], \
                os_info[os_name]["BootPartition"] = (["Unknown"], "Unknown", "Unknown")

            #unmount the filesystem if needed.
            if was_mounted:
                if CoreTools.unmount(mount_point) != 0:
                    logger.error("get_oss(): Couldn't unmount "+partition
                                 +"! Doing emergency exit...")

                    CoreTools.emergency_exit("Couldn't unmount "+partition+" after looking for "
                                             + "operating systems on it! Please reboot your "
                                             + "computer and try again.")

        else:
            #Look for Linux.
            #The python command runs on python 3.
            logger.debug("get_oss(): Looking for Linux on "+partition+"...")

            #If there are aliases for partition, check if the root FS is one of those too.
            root_filesystem_is_alias = False

            if "Aliases" in DISK_INFO[partition]:
                logger.debug("get_oss(): Checking if RootFS is an alias for "+partition+"...")

                if root_filesystem in DISK_INFO[partition]["Aliases"]:
                    logger.debug("get_oss(): RootFS is an alias...")
                    root_filesystem_is_alias = True

                else:
                    logger.debug("get_oss(): RootFS isn't an alias...")
                    root_filesystem_is_alias = False

            if partition == root_filesystem or root_filesystem_is_alias:
                cmd = "cat /etc/os-release"

                apt_cmd = "which apt-get"
                dnf_cmd = "which dnf"
                chroot = False
                is_current_os = True
                mount_point = ""

            else:
                mount_point = "/mnt/wxfixboot/mountpoints"+partition
                cmd = "cat "+mount_point+"/etc/os-release"

                apt_cmd = "chroot "+mount_point+" which apt-get"
                dnf_cmd = "chroot "+mount_point+" which dnf"
                chroot = True
                is_current_os = False

                #Mount the partition and check if anything went wrong.
                if CoreTools.mount_partition(partition=partition, mount_point=mount_point) != 0:
                    #Ignore the partition.
                    logger.warning("get_oss(): Couldn't mount "+partition
                                   + "! Skipping this partition...")

                    continue

            #Look for Linux on this partition.
            retval, temp = CoreTools.start_process(cmd, return_output=True)

            os_name = ""

            try:
                for line in temp.split("\n"):
                    if "PRETTY_NAME" in line:
                        os_name = line.split("=")[1].replace('\"', '')

            except IndexError:
                os_name = ""

            #Run the function to get the architechure.
            os_architecture = CoreStartupTools.determine_os_architecture(mount_point=mount_point)

            #If the OS's name wasn't found, but its architecture was, there must be an OS here, so
            #try to use lsb_release if possible before asking the user. Catch if the name is just
            #whitespace too.
            if (retval != 0 or os_name == "" or os_name.isspace()) and os_architecture != None:
                os_name = CoreStartupTools.get_os_name_with_lsb(partition=partition,
                                                                mount_point=mount_point,
                                                                is_current_os=is_current_os)

                #If we really have to, ask the user.
                if os_name is None:
                    logger.warning("get_oss(): Asking user for OS name instead...")
                    os_name = CoreStartupTools.ask_for_os_name(partition=partition,
                                                               is_current_os=is_current_os)

            #Look for APT.
            package_manager = CoreStartupTools.determine_package_manager(apt_cmd=apt_cmd,
                                                                         dnf_cmd=dnf_cmd)

            #Also check if CoreStartupTools.ask_for_os_name was used to determine the name.
            #If the user skipped naming the OS, ignore it and skip the rest of this loop iteration.
            if os_name is not None and os_architecture is not None and package_manager != "Unknown":
                #Add this information to os_info.
                os_info[os_name] = {}
                os_info[os_name]["Name"] = os_name
                os_info[os_name]["IsCurrentOS"] = is_current_os
                os_info[os_name]["Arch"] = os_architecture
                os_info[os_name]["Partition"] = partition
                os_info[os_name]["PackageManager"] = package_manager

                os_info[os_name]["RawFSTabInfo"], os_info[os_name]["EFIPartition"], \
                os_info[os_name]["BootPartition"] = \
                CoreStartupTools.get_fstab_info(mount_point, os_name)

                if chroot is False:
                    SYSTEM_INFO["CurrentOS"] = os_info[os_name].copy()

            if chroot:
                #unmount the filesystem.
                if CoreTools.unmount(mount_point) != 0:
                    logger.error("get_oss(): Couldn't unmount "+partition
                                 + "! Doing emergency exit...")
                    CoreTools.emergency_exit("Couldn't unmount "+partition+" after looking for "
                                             + "operating systems on it! Please reboot your "
                                             + "computer and try again.")

    #Check that at least one Linux OS was detected.
    linux_oss = []

    #Get list of Linux OSs.
    for _os in os_info:
        if _os[0] not in ("Windows", "macOS"):
            linux_oss.append(os_name)

    if not linux_oss:
        logger.critical("get_oss(): No Linux installations found! If you do have Linux "
                        + "installations but WxFixBoot hasn't found them, please file a bug or "
                        + "ask a question on WxFixBoot's launchpad page. If you're using Windows "
                        + "or macOS, then sorry as WxFixBoot has no support for these operating "
                        + "systems. You could instead use the tools provided by Microsoft and "
                        + "Apple to fix any issues with your computer. Exiting...")

        #Exit.
        CoreTools.emergency_exit("You don't appear to have any Linux installations on your hard "
                                 + "disks. If you do have Linux installations but WxFixBoot "
                                 + "hasn't found them, please file a bug or ask a question on "
                                 + "WxFixBoot's launchpad page. If you're using Windows or macOS, "
                                 + "then sorry as WxFixBoot has no support for these operating "
                                 + "systems. You could instead use the tools provided by Microsoft "
                                 + "and Apple to fix any issues with your computer.")

    #Otherwise...
    logger.debug("get_oss(): Done, os_info Populated okay. Contents: "+str(os_info))
    return os_info, SYSTEM_INFO
예제 #3
0
파일: main.py 프로젝트: hamishmb/wxfixboot
def check_for_live_disk():
    """Try to determine if we're running on a live disk."""
    logger.info("MainStartupTools(): check_for_live_disk(): Attempting to check if we're on a "
                + "live disk...")

    #Detect Parted Magic automatically.
    if "pmagic" in CoreTools.start_process("uname -r", return_output=True)[1]:
        logger.info("MainStartupTools(): check_for_live_disk(): Running on Parted Magic...")
        SYSTEM_INFO["IsLiveDisk"] = True
        SYSTEM_INFO["OnPartedMagic"] = True

    #Try to detect ubuntu-based livecds.
    elif CoreTools.is_mounted("/cow", "/") and os.path.isfile("/cdrom/casper/filesystem.squashfs"):
        logger.info("MainStartupTools(): check_for_live_disk(): "
                    + "Running on Ubuntu-based live disk...")

        SYSTEM_INFO["IsLiveDisk"] = True
        SYSTEM_INFO["OnPartedMagic"] = False

    #Try to detect fedora-based livecds.
    elif CoreTools.is_mounted("/dev/mapper/live-rw", "/") \
        and os.path.isfile("/run/initramfs/live/LiveOS/squashfs.img"):

        logger.info("MainStartupTools(): check_for_live_disk(): "
                    + "Running on Fedora-based live disk...")

        SYSTEM_INFO["IsLiveDisk"] = True
        SYSTEM_INFO["OnPartedMagic"] = False

    #Try to detect Disk Verifier/any other live disks.
    elif CoreTools.is_mounted("overlay", "/") \
        or os.path.isfile("/run/live/medium/live/filesystem.squashfs"):

        logger.info("MainStartupTools(): check_for_live_disk(): "
                    + "Running on live disk...")

        SYSTEM_INFO["IsLiveDisk"] = True
        SYSTEM_INFO["OnPartedMagic"] = False

    #Try to detect if we're not running on a live disk (on HDD/NVME).
    elif "/dev/sd" in CoreTools.get_partition_mounted_at("/") \
        or "/dev/nvme" in CoreTools.get_partition_mounted_at("/"):

        logger.info("MainStartupTools(): check_for_live_disk(): Not running on live disk...")
        SYSTEM_INFO["IsLiveDisk"] = False
        SYSTEM_INFO["OnPartedMagic"] = False

    #Try to detect if we're not running on a live disk (on LVM).
    elif "/dev/mapper/" in CoreTools.get_partition_mounted_at("/"):
        logger.info("MainStartupTools(): check_for_live_disk(): Not running on live disk...")
        SYSTEM_INFO["IsLiveDisk"] = False
        SYSTEM_INFO["OnPartedMagic"] = False

    #Ask the user if we're running on a live disk.
    else:
        logger.info("MainStartupTools(): check_for_live_disk(): Asking the user if we're running "
                    + "on live media...")

        SYSTEM_INFO["IsLiveDisk"] = DialogTools.show_yes_no_dlg(message="Is WxFixBoot being run "
                                                                + "on live media, such as an "
                                                                + "Ubuntu Installer Disk?",
                                                                title="WxFixBoot - Live Media?")

        SYSTEM_INFO["OnPartedMagic"] = False
        logger.info("MainStartupTools(): check_for_live_disk(): Result: "
                    + str(SYSTEM_INFO["IsLiveDisk"]))

    #Get current OS architecture.
    logger.info("MainStartupTools(): check_for_live_disk(): Getting architecture of current OS...")
    SYSTEM_INFO["CurrentOSArch"] = CoreStartupTools.determine_os_architecture(mount_point="")
예제 #4
0
    def test_is_mounted2(self):
        #Unmount it.
        Functions.unmount_disk(self.path)

        self.assertFalse(CoreTools.is_mounted(self.path))
예제 #5
0
def find_checkable_file_systems():
    """
    Find all checkable filesystems, and then return them to
    EssentialBackendTools().filesystem_check()
    """

    logger.info("find_checkable_file_systems(): Finding and returning all filesystems/partitions "
                + "that can be checked...")

    #Do setup.
    do_not_check_list = []
    filesystems_to_check = {}
    root_fs = CoreTools.get_partition_mounted_at("/")

    #Get a list of missing fsck modules (if any) based on the existing filesystems.
    missing_fsck_modules = find_missing_fsck_modules()

    keys = list(DISK_INFO.keys())
    keys.sort()

    #Determine checkable partitions.
    for disk in keys:
        #Ignore all devices.
        if DISK_INFO[disk]["Type"] == "Device":
            continue

        #Check if the required fsck module is present, and that the partition isn't root_fs
        if "fsck."+DISK_INFO[disk]["FileSystem"] in missing_fsck_modules:
            mount_point = "None"
            check_this_fs = False
            remount_fs_after = False
            reason = "filesystem checker was not found."

        elif SYSTEM_INFO["IsLiveDisk"] is False and disk == root_fs:
            #If we're not running on a live disk, skip the filesystem if it's the same as root_fs
            #(in which case checking it may corrupt data).
            mount_point = "/"
            check_this_fs = False
            remount_fs_after = False
            reason = "disk is busy."

        #Extra check for LVM disks using aliases.
        elif DISK_INFO[disk]["Product"] == "LVM Partition" and root_fs in DISK_INFO[disk]["Aliases"]:
            mount_point = "/"
            check_this_fs = False
            remount_fs_after = False
            reason = "disk is busy."

        else:
            #If filesystem is unknown, or not applicable (extended partitions), don't check it.
            if DISK_INFO[disk]["FileSystem"] in ("Unknown", "N/A"):
                mount_point = "None"
                check_this_fs = False
                remount_fs_after = False
                reason = "filesystem was not recognised."

            else:
                #Check if the partition is mounted.
                if CoreTools.is_mounted(disk) is False:
                    mount_point = "None"
                    check_this_fs = True
                    remount_fs_after = False

                #Extra check for LVM disks using aliases.
                elif DISK_INFO[disk]["Product"] == "LVM Partition" and \
                     CoreTools.any_mounted(DISK_INFO[disk]["Aliases"]) is False:

                    mount_point = "None"
                    check_this_fs = True
                    remount_fs_after = False

                else:
                    #Unmount the FS temporarily, to avoid data corruption.
                    mount_point = CoreTools.get_mount_point_of(disk)

                    if CoreTools.unmount(disk) != 0:
                        logger.warning("find_checkable_file_systems(): Failed to unmount "+disk
                                       +", which is necessary for safe disk checking! Ignoring it.")

                        check_this_fs = False
                        remount_fs_after = False
                        reason = "disk is busy."

                    else:
                        check_this_fs = True
                        remount_fs_after = True

        if check_this_fs:
            #Add it to the dictionary for checking.
            filesystems_to_check[disk] = {}
            filesystems_to_check[disk]["Remount"] = remount_fs_after
            filesystems_to_check[disk]["MountPoint"] = mount_point

        else:
            #Add it to the non-checkable list
            do_not_check_list.append(disk+", because the "+reason)

    #Report uncheckable partitions.
    if do_not_check_list != []:
        #Some filesystems will not be checked. Tell the user.
        DialogTools.show_msg_dlg(kind="info",
                                 message="The following filesystems will not be checked:\n\n"
                                 + '\n'.join(do_not_check_list)+"\n\nThe most likely reason for "
                                 + "this is that some of the filesystems are in use, or that the "
                                 + "required filesystem checkers weren't found. WxFixBoot will "
                                 + "now continue to check the remaining filesystems.")

    logger.info("find_checkable_file_systems(): Done! Filesystems that won't be checked: "
                + '\n'.join(do_not_check_list)+"...")

    return filesystems_to_check
예제 #6
0
def set_new_bootloader_config(_os):
    """Manage setting new bootloader config."""
    logger.info("set_new_bootloader_config(): Setting " +
                BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] +
                "'s config for " + _os + "...")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_operation_text,
                 message="Setting " +
                 BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] +
                 " config for " + _os + "...")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_progress, 79)
    wx.CallAfter(
        wx.GetApp().TopWindow.update_output_box,
        "\n###Setting " + BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] +
        "'s config for " + _os + "...###\n")

    #If this is the current OS, let the config functions know that we aren't using chroot.
    if OS_INFO[_os]["IsCurrentOS"]:
        logger.debug(
            "set_new_bootloader_config(): We're modifying the current OS...")
        #If so, make sure this will work for this OS too, and avoid setting mountpoint, so the
        #config instructions below look in the right place for the config files.
        use_chroot, unmount_after, mount_point = (False, False, "")

    else:
        logger.debug(
            "set_new_bootloader_config(): We're modifying another OS...")
        use_chroot = True
        mount_point = "/mnt/wxfixboot/mountpoints" + OS_INFO[_os]["Partition"]

        #Check if the partition is mounted.
        unmount_after = not CoreTools.is_mounted(OS_INFO[_os]["Partition"],
                                                 mount_point)

        if unmount_after:
            #Mount the partition.
            if CoreTools.mount_partition(partition=OS_INFO[_os]["Partition"],
                                         mount_point=mount_point) != 0:
                #Ignore this partition.
                logger.warning(
                    "set_new_bootloader_config(): Failed to mount " +
                    OS_INFO[_os]["Partition"] + "! Giving up...")

                return False

        #Set up chroot.
        if CoreTools.setup_chroot(mount_point=mount_point) != 0:
            logger.error(
                "set_new_bootloader_config(): Failed to set up chroot at " +
                mount_point + "! Giving up...")

            DialogTools.show_msg_dlg(
                kind="error",
                message="WxFixBoot failed to set up a chroot for " + _os +
                "! Giving up. You will be prompted to try again if " +
                "you wish.")

            return False

        wx.CallAfter(wx.GetApp().TopWindow.update_current_progress, 81)

    #Mount a /boot partition if it exists.
    if OS_INFO[_os]["BootPartition"] != "Unknown":
        if CoreTools.mount_partition(OS_INFO[_os]["BootPartition"],
                                     mount_point + "/boot") != 0:
            logger.error(
                "set_new_bootloader_config(): Failed to mount " + _os +
                "'s /boot partition! Skipping bootloader config setting for this OS."
            )

            if not OS_INFO[_os]["IsCurrentOS"]:
                CoreTools.teardown_chroot(mount_point)
                CoreTools.unmount(mount_point)

            return False

    #If there's a seperate EFI partition for this OS, make sure it's mounted.
    if OS_INFO[_os]["EFIPartition"] != "Unknown":
        if CoreTools.mount_partition(
                partition=OS_INFO[_os]["EFIPartition"],
                mount_point=mount_point + "/boot/efi") != 0:
            logger.error("remove_old_bootloader(): Failed to mount " +
                         OS_INFO[_os]["EFIPartition"] +
                         "! Warn the user and skip this OS.")

            DialogTools.show_msg_dlg(
                kind="error",
                message="WxFixBoot failed to mount the partition containing " +
                _os + "'s EFI partition! Giving up. You will be prompted to " +
                "try again if you wish.")

            return False

    #On GRUB2, get the new menuentries so we can set the default OS.
    logger.info(
        "set_new_bootloader_config(): Reading GRUB2's menu entries to set default OS..."
    )

    if BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] in ("GRUB2",
                                                             "GRUB-UEFI"):
        #Update GRUB.
        logger.info(
            "set_new_bootloader_config(): Updating GRUB2 Configuration...")
        BootloaderConfigSettingTools.update_grub2(
            _os=_os,
            package_manager=OS_INFO[_os]["PackageManager"],
            use_chroot=use_chroot,
            mount_point=mount_point)

        BOOTLOADER_INFO[_os]["NewMenuEntries"] = \
        BootloaderConfigObtainingTools.parse_grub2_menu_data(menu_data="",
                                                             mount_point=mount_point)[1]

    #Look for the configuration file, based on which SetConfig() function we're about to run.
    if BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] in ("GRUB2",
                                                             "GRUB-UEFI"):
        #Check mount_point/etc/default/grub exists.
        if os.path.isfile(mount_point + "/etc/default/grub"):
            #It does, we'll run the function to set the config now.
            logger.info(
                "set_new_bootloader_config(): Setting GRUB2 Configuration...")
            BootloaderConfigSettingTools.set_grub2_config(
                _os=_os,
                filetoopen=mount_point + "/etc/default/grub",
                bootloader_timeout=BOOTLOADER_INFO[_os]["Settings"]
                ["NewTimeout"],
                kernel_options=BOOTLOADER_INFO[_os]["Settings"]
                ["NewKernelOptions"],
                package_manager=OS_INFO[_os]["PackageManager"])

        if BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] == "GRUB-UEFI":
            #Mount the UEFI partition at mount_point/boot/efi.
            if CoreTools.mount_partition(
                    partition=OS_INFO[_os]["EFIPartition"],
                    mount_point=mount_point + "/boot/efi") != 0:
                logger.error(
                    "set_new_bootloader_config(): Couldn't mount EFI partition "
                    + OS_INFO[_os]["EFIPartition"] +
                    " to install bootloader! Giving up " +
                    "and warning user...")

                DialogTools.show_msg_dlg(
                    kind="error",
                    message="WxFixBoot failed to mount " + _os +
                    "'s EFI partition! You will now be promtped to give " +
                    "up or try again.")

                return False

            #Now Install GRUB-UEFI to the UEFI Partition.
            logger.info(
                "set_new_bootloader_config(): Installing GRUB-UEFI to " +
                OS_INFO[_os]["EFIPartition"] + "...")

            BootloaderConfigSettingTools.install_grub2_to_efi_partition(
                package_manager=OS_INFO[_os]["PackageManager"],
                mount_point=mount_point,
                use_chroot=use_chroot,
                uefi_system_partition_mount_point="/boot/efi",
                arch=OS_INFO[_os]["Arch"])

        else:
            #Now Install GRUB2 to the MBR.
            logger.info("set_new_bootloader_config(): Installing GRUB2 to " +
                        DISK_INFO[OS_INFO[_os]["Partition"]]["HostDevice"] +
                        "...")

            BootloaderConfigSettingTools.install_grub2_to_mbr(
                package_manager=OS_INFO[_os]["PackageManager"],
                use_chroot=use_chroot,
                mount_point=mount_point,
                device=DISK_INFO[OS_INFO[_os]["Partition"]]["HostDevice"])

        #Update GRUB.
        logger.info(
            "set_new_bootloader_config(): Updating GRUB2 Configuration...")
        BootloaderConfigSettingTools.update_grub2(
            _os=_os,
            package_manager=OS_INFO[_os]["PackageManager"],
            use_chroot=use_chroot,
            mount_point=mount_point)

        if BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] == "GRUB-UEFI":
            #Make an entry in fstab for the UEFI Partition, if needed.
            HelperBackendTools.write_fstab_entry_for_uefi_partition(
                _os=_os, mount_point=mount_point)

            #Copy and backup EFI files where needed.
            HelperBackendTools.backup_uefi_files(mount_point=mount_point)
            HelperBackendTools.manage_uefi_files(_os=_os,
                                                 mount_point=mount_point)

        if BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] == "GRUB-UEFI" \
            and OS_INFO[_os]["PackageManager"] == "dnf":

            #If we're switching to GRUB-UEFI from BIOS it can mess up GRUB2 and change the boot
            #commands to linux and initrd instead of linuxefi and initrdefi, preventing boot.
            #Fix this. The next time GRUB is updated from within the OS it will fix itself.
            logger.info(
                "set_new_bootloader_config(): Fixing Fedora's GRUB2-UEFI config (when "
                + "booted with BIOS, it can go wrong)...")

            logger.info(
                "set_new_bootloader_config(): Finding and opening GRUB config file..."
            )

            #Find grub.cfg. (Ubuntu).
            if os.path.isdir(mount_point + "/boot/grub"):
                grub_dir = mount_point + "/boot/grub"

            #(Fedora, EFI)
            elif os.path.isdir(mount_point + "/boot/efi/EFI/fedora"):
                grub_dir = mount_point + "/boot/efi/EFI/fedora"

            #Correct the commands if needed.
            config = CoreTools.read_privileged_file(grub_dir + "/grub.cfg")

            new_config = []

            for line in config:
                if "linux16" in line and "/vmlinu" in line:
                    new_config.append(
                        line.replace("linux16", "linuxefi") + "\n")

                elif "linux" in line and "linuxefi" not in line and "/vmlinu" in line:
                    new_config.append(line.replace("linux", "linuxefi") + "\n")

                elif "initrd16" in line and ("/initrd" in line
                                             or "/initramfs" in line):
                    new_config.append(
                        line.replace("initrd16", "initrdefi") + "\n")

                elif "initrd" in line and "initrdefi" not in line \
                    and ("/initrd" in line or "/initramfs" in line):

                    new_config.append(
                        line.replace("initrd", "initrdefi") + "\n")

                else:
                    new_config.append(line + "\n")

            #Write the fixed config.
            CoreTools.write_privileged_file(grub_dir + "/grub.cfg",
                                            ''.join(new_config))

            #unmount the EFI partition.
            if CoreTools.unmount(OS_INFO[_os]["EFIPartition"]) != 0:
                logger.error(
                    "set_new_bootloader_config(): Couldn't unmount EFI partition! "
                    +
                    "This probably won't matter, so we'll continue anyway...")

            logger.info("set_new_bootloader_config(): Done!")

        elif BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] == "GRUB2" \
            and OS_INFO[_os]["PackageManager"] == "dnf":

            #If we're switching to GRUB2 from UEFI it can mess up GRUB2 and change the boot
            #commands to linuxefi and initrdefi instead of linux and initrd, preventing boot.
            #Fix this. The next time GRUB is updated from within the OS it will fix itself.
            logger.info(
                "set_new_bootloader_config(): Fixing Fedora's GRUB2-BIOS config (when "
                + "booted with EFI, it can go wrong)...")

            logger.info(
                "set_new_bootloader_config(): Finding and opening GRUB config file..."
            )

            #Find grub.cfg. (Ubuntu).
            if os.path.isdir(mount_point + "/boot/grub"):
                grub_dir = mount_point + "/boot/grub"

            #(Fedora, BIOS)
            elif os.path.isdir(mount_point + "/boot/grub2"):
                grub_dir = mount_point + "/boot/grub2"

            #Correct the commands if needed.
            config = CoreTools.read_privileged_file(grub_dir + "/grub.cfg")

            new_config = []

            for line in config:
                new_config.append(line.replace("linuxefi", "linux")\
                .replace("initrdefi", "initrd")+"\n")

            #Write the fixed config.
            CoreTools.write_privileged_file(grub_dir + "/grub.cfg",
                                            ''.join(new_config))

            logger.info("set_new_bootloader_config(): Done!")

    #If there's a seperate EFI partition for this OS, make sure it's unmounted before
    #removing the chroot.
    if OS_INFO[_os]["EFIPartition"] != "Unknown":
        if CoreTools.unmount(mount_point + "/boot/efi") != 0:
            logger.error("set_new_bootloader_config(): Failed to unmount " +
                         mount_point +
                         "/boot/efi! This probably doesn't matter...")

    #unmount a /boot partition if it exists.
    if OS_INFO[_os]["BootPartition"] != "Unknown":
        if CoreTools.unmount(mount_point + "/boot") != 0:
            logger.error("set_new_bootloader_config(): Failed to unmount " +
                         _os + "'s /boot partition! Continuing anyway...")

    #Tear down chroot if needed.
    if use_chroot:
        if CoreTools.teardown_chroot(mount_point=mount_point) != 0:
            logger.error(
                "set_new_bootloader_config(): Failed to remove chroot at " +
                mount_point + "! Attempting to continue anyway...")

    #unmount the partition if needed.
    if unmount_after:
        if CoreTools.unmount(mount_point) != 0:
            logger.error("set_new_bootloader_config(): Failed to unmount " +
                         mount_point + "! Continuing anyway...")

    #Attempt to clear any stuck logical volumes that may have been created by os-prober.
    CoreTools.start_process("dmsetup remove_all -y", privileged=True)

    #Make sure any LVM volume groups are active.
    for disk in DISK_INFO:
        if "VGName" in DISK_INFO[disk]:
            CoreTools.start_process("vgchange -a y " +
                                    DISK_INFO[disk]["VGName"],
                                    privileged=True)

    logger.debug("set_new_bootloader_config(): Finished setting " +
                 BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] +
                 "'s config for " + _os + "...")

    wx.CallAfter(
        wx.GetApp().TopWindow.update_output_box, "\n###Finished setting " +
        BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] + "'s config for " +
        _os + "...###\n")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_operation_text,
                 message="Finished setting " +
                 BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] +
                 "'s config for " + _os + "!")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_progress, 100)
    return True
예제 #7
0
def install_new_bootloader(_os):
    """Install a new bootloader."""
    logger.info("install_new_bootloader(): Preparing to install " +
                BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] + " in " +
                _os + "...")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_progress, 52)
    wx.CallAfter(
        wx.GetApp().TopWindow.update_output_box, "\n###Preparing to install " +
        BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] + " in " + _os +
        "...###\n")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_operation_text,
                 message="Preparing to install " +
                 BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] + " in " +
                 _os + "...")

    #If this is the current OS, let the installer functions know that we aren't using chroot.
    if OS_INFO[_os]["IsCurrentOS"]:
        logger.debug(
            "install_new_bootloader(): Modifying current OS so not using chroot..."
        )
        use_chroot, unmount_after, mount_point = (False, False, "")

    #Otherwise, setup the chroot and everything else first, and tell them we are using chroot,
    #and pass the mountpoint to them.
    else:
        logger.debug(
            "install_new_bootloader(): Using chroot to modify another OS...")
        use_chroot = True
        mount_point = "/mnt/wxfixboot/mountpoints" + OS_INFO[_os]["Partition"]

        #Check if the partition is mounted.
        unmount_after = not CoreTools.is_mounted(OS_INFO[_os]["Partition"],
                                                 mount_point)

        if unmount_after:
            if CoreTools.mount_partition(partition=OS_INFO[_os]["Partition"],
                                         mount_point=mount_point) != 0:
                logger.error("install_new_bootloader(): Failed to mount " +
                             OS_INFO[_os]["Partition"] +
                             "! Warn the user and skip this OS.")

                DialogTools.show_msg_dlg(
                    kind="error",
                    message="WxFixBoot failed to mount the partition " +
                    "containing " + _os + "! Bootloader installation cannot " +
                    "continue! This may leave your system, or this OS, in " +
                    "an unbootable state. Please close any open programs, " +
                    "then try again when prompted.")

                return False

        #Set up chroot.
        if CoreTools.setup_chroot(mount_point=mount_point) != 0:
            logger.error(
                "install_new_bootloader(): Failed to set up chroot at " +
                mount_point + "! Warning user and giving up...")

            DialogTools.show_msg_dlg(
                kind="error",
                message="WxFixBoot failed to set up a chroot for " + _os +
                "! Giving up. You will be prompted to try again if " +
                "you wish.")
            return False

    #If there's a seperate /boot partition for this OS, make sure it's mounted.
    if OS_INFO[_os]["BootPartition"] != "Unknown":
        if CoreTools.mount_partition(partition=OS_INFO[_os]["BootPartition"],
                                     mount_point=mount_point + "/boot") != 0:
            logger.error("remove_old_bootloader(): Failed to mount " +
                         OS_INFO[_os]["BootPartition"] +
                         "! Warn the user and skip this OS.")

            DialogTools.show_msg_dlg(
                kind="error",
                message="WxFixBoot failed to mount the partition " +
                "containing " + _os + "'s /boot partition! Giving up. " +
                "You will be prompted to try again if you wish.")

            return False

    #Update the package lists.
    if OS_INFO[_os]["PackageManager"] == "apt-get":
        cmd = "sh -c 'DEBIAN_FRONTEND=gnome DISPLAY=:0 apt-get update'"

    elif OS_INFO[_os]["PackageManager"] == "dnf":
        cmd = "dnf check-update"

    if use_chroot:
        cmd = "chroot " + mount_point + " " + cmd

    if CoreTools.start_process(cmd, privileged=True) not in (0, 100):
        logger.error(
            "install_new_bootloader(): Failed to Update the Package Information! "
            + "Continuing anyway...")

        DialogTools.show_msg_dlg(
            kind="error",
            message="WxfixBoot failed to update " + _os +
            "'s package information! Giving up. You will be prompted " +
            "to try again if you wish.")

        return False

    wx.CallAfter(wx.GetApp().TopWindow.update_current_operation_text,
                 message="Installing " +
                 BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] + " in " +
                 _os + "...")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_progress, 55)
    wx.CallAfter(
        wx.GetApp().TopWindow.update_output_box, "\n###Installing " +
        BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] + " in " + _os +
        "...###\n")

    #Make sure all GNOME APT frontend dependency is installed.
    if OS_INFO[_os]["PackageManager"] == "apt-get":
        #Ubuntu 16.04.
        cmd = "sh -c 'DEBIAN_FRONTEND=noninteractive apt-get install -y libgnome2-perl'"

        if use_chroot:
            cmd = "chroot " + mount_point + " " + cmd

        retval = CoreTools.start_process(cmd, privileged=True)

        #All newer versions.
        cmd = "sh -c 'DEBIAN_FRONTEND=noninteractive apt-get install -y libgtk3-perl'"

        if use_chroot:
            cmd = "chroot " + mount_point + " " + cmd

        retval = CoreTools.start_process(cmd, privileged=True)

    #Install the bootloader.
    if BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] == "GRUB2":
        logger.info("install_new_bootloader(): Installing GRUB2...")

        if OS_INFO[_os]["PackageManager"] == "apt-get":
            cmd = "sh -c 'DEBIAN_FRONTEND=gnome DISPLAY=:0 apt-get install -y grub-pc os-prober'"

        elif OS_INFO[_os]["PackageManager"] == "dnf":
            cmd = "dnf -y install grub2"

    elif BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] == "GRUB-UEFI":
        logger.info("install_new_bootloader(): Installing GRUB-UEFI...")

        #Mount the UEFI partition at mount_point/boot/efi.
        if CoreTools.mount_partition(
                partition=OS_INFO[_os]["EFIPartition"],
                mount_point=mount_point + "/boot/efi") != 0:

            logger.error("install_new_bootloader(): Failed to mount " +
                         OS_INFO[_os]["EFIPartition"] + " to " + mount_point +
                         "/boot/efi! Aborting bootloader installation and " +
                         "warning user...")

            DialogTools.show_msg_dlg(
                kind="error",
                message="WxfixBoot failed to mount the partition containing " +
                _os + "'s EFI partition! Giving up. You will be prompted to " +
                "try again if you wish.")

            return False

        if OS_INFO[_os]["PackageManager"] == "apt-get":
            cmd = "sh -c 'DEBIAN_FRONTEND=gnome DISPLAY=:0 apt-get install -y grub-efi os-prober'"

        elif OS_INFO[_os]["PackageManager"] == "dnf":
            cmd = "dnf -y install grub2-efi-ia32 grub2-efi-x64 shim-x64 "

    if use_chroot:
        cmd = "chroot " + mount_point + " " + cmd

    retval = CoreTools.start_process(cmd, privileged=True)

    if retval != 0:
        logger.error(
            "install_new_bootloader(): Failed to install new bootloader. Warn user..."
        )
        DialogTools.show_msg_dlg(kind="error",
                                 message="WxfixBoot failed to install " + _os +
                                 "'s new bootloader! Continuing anyway...")

    #If there's a seperate EFI partition for this OS, make sure it's unmounted before removing
    #the chroot.
    if OS_INFO[_os]["EFIPartition"] != "Unknown":
        if CoreTools.unmount(mount_point + "/boot/efi") != 0:
            logger.error("install_new_bootloader(): Failed to unmount " +
                         mount_point +
                         "/boot/efi! This probably doesn't matter...")

    #If there's a seperate /boot partition for this OS, make sure it's unmounted before
    #removing the chroot.
    if OS_INFO[_os]["BootPartition"] != "Unknown":
        if CoreTools.unmount(mount_point + "/boot") != 0:
            logger.error("install_new_bootloader(): Failed to unmount " +
                         mount_point +
                         "/boot! This probably doesn't matter...")

    if use_chroot:
        logger.debug("install_new_bootloader(): Removing chroot...")

        #Tear down chroot.
        if CoreTools.teardown_chroot(mount_point=mount_point) != 0:
            logger.error(
                "install_new_bootloader(): Failed to remove chroot at " +
                mount_point + "! Attempting to continue anyway...")

    if unmount_after:
        if CoreTools.unmount(mount_point) != 0:
            logger.error("install_new_bootloader(): Failed to unmount " +
                         mount_point + "! Continuing anyway...")

    if retval != 0:
        #Something went wrong! Log it and notify the user.
        logger.error(
            "install_new_bootloader(): Failed to install " +
            BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] + " in " + _os +
            "! This may mean the system (or this OS) is now unbootable! " +
            "Warning the user and asking to try again.")

        DialogTools.show_msg_dlg(
            kind="error",
            message="WxFixBoot failed to install " +
            BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] + " in " + _os +
            "! This may leave this OS, or your system, in an unbootable " +
            "state. You will now be prompted to try again.")

        return False

    wx.CallAfter(
        wx.GetApp().TopWindow.update_output_box, "\n###Finished installing " +
        BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] + " in " + _os +
        "...###\n")

    #Attempt to clear any stuck logical volumes that may have been created by os-prober.
    CoreTools.start_process("dmsetup remove_all -y", privileged=True)

    #Make sure any LVM volume groups are active.
    for disk in DISK_INFO:
        if "VGName" in DISK_INFO[disk]:
            CoreTools.start_process("vgchange -a y " +
                                    DISK_INFO[disk]["VGName"],
                                    privileged=True)

    #Log and notify the user that we're finished installing the bootloader.
    logger.info("install_new_bootloader(): Finished installing " +
                BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] + "...")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_operation_text,
                 message="Finish installing " +
                 BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] + " in " +
                 _os + "...")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_progress, 75)
    return True
예제 #8
0
def remove_old_bootloader(_os):
    """Remove the currently installed bootloader."""
    logger.info("remove_old_bootloader(): Removing " +
                BOOTLOADER_INFO[_os]["Bootloader"] + " from " + _os + "...")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_progress, 27)
    wx.CallAfter(wx.GetApp().TopWindow.update_current_operation_text,
                 message="Removing " + BOOTLOADER_INFO[_os]["Bootloader"] +
                 " from " + _os + "......")

    wx.CallAfter(
        wx.GetApp().TopWindow.update_output_box, "\n###Removing " +
        BOOTLOADER_INFO[_os]["Bootloader"] + " from " + _os + "...###\n")

    #If this is the current OS, let the remover function know that we aren't using chroot.
    if OS_INFO[_os]["IsCurrentOS"]:
        logger.debug(
            "remove_old_bootloader(): Modifying current OS so not using chroot..."
        )
        use_chroot, unmount_after, mount_point = (False, False, "")

    else:
        logger.debug(
            "remove_old_bootloader(): Using chroot to modify another OS...")
        use_chroot = True
        mount_point = "/mnt/wxfixboot/mountpoints" + OS_INFO[_os]["Partition"]

        #Check if the partition is mounted.
        unmount_after = not CoreTools.is_mounted(OS_INFO[_os]["Partition"],
                                                 mount_point)

        if unmount_after:
            #Mount the partition using the global mount function.
            if CoreTools.mount_partition(partition=OS_INFO[_os]["Partition"],
                                         mount_point=mount_point) != 0:

                logger.error("remove_old_bootloader(): Failed to mount " +
                             OS_INFO[_os]["Partition"] +
                             "! Warning the user and giving up...")

                DialogTools.show_msg_dlg(
                    kind="error",
                    message="WxFixBoot failed to mount the partition " +
                    "containing " + _os +
                    "! Giving up. You will be prompted " +
                    "to try again if you wish.")

                return False

        #Set up chroot.
        if CoreTools.setup_chroot(mount_point) != 0:
            logger.error(
                "remove_old_bootloader(): Failed to set up chroot at " +
                mount_point + "! Giving up...")

            DialogTools.show_msg_dlg(
                kind="error",
                message="WxFixBoot failed to set up a chroot for " + _os +
                "! Giving up. You will be prompted to try again if " +
                "you wish.")
            return False

    #Mount a /boot partition if it exists.
    if OS_INFO[_os]["BootPartition"] != "Unknown":
        if CoreTools.mount_partition(OS_INFO[_os]["BootPartition"],
                                     mount_point + "/boot") != 0:
            logger.error("remove_old_bootloader(): Failed to mount " + _os +
                         "'s /boot partition! " +
                         "Skipping bootloader removal for this OS.")

            DialogTools.show_msg_dlg(
                kind="error",
                message="WxFixBoot failed to mount the partition containing " +
                _os + "'s /boot partition! Giving up. You will be prompted " +
                "to try again if you wish.")

            if not OS_INFO[_os]["IsCurrentOS"]:
                CoreTools.teardown_chroot(mount_point)
                CoreTools.unmount(mount_point)

            return False

    #Mount the UEFI partition at mount_point/boot/efi, if it exists.
    if OS_INFO[_os]["EFIPartition"] != "Unknown":
        if CoreTools.mount_partition(
                partition=OS_INFO[_os]["EFIPartition"],
                mount_point=mount_point + "/boot/efi") != 0:
            logger.error("remove_old_bootloader(): Failed to mount " +
                         OS_INFO[_os]["EFIPartition"] + "! to " + mount_point +
                         "/boot/efi! Aborting bootloader installation and " +
                         "warning user...")

            DialogTools.show_msg_dlg(
                kind="error",
                message="WxfixBoot failed to mount the partition containing " +
                _os + "'s EFI partition! Giving up. You will be prompted to " +
                "try again if you wish.")

            return False

    #Wait until no other application is using APT/DNF.
    #Let user know what's happening.
    wx.CallAfter(wx.GetApp().TopWindow.update_current_progress, 27)
    wx.CallAfter(
        wx.GetApp().TopWindow.update_current_operation_text,
        message="Waiting until " + _os +
        "'s package manager is free.\nClose any open applications if this " +
        "message persists...")

    wx.CallAfter(
        wx.GetApp().TopWindow.update_output_box,
        "\n###Waiting until " + _os + "'s package manager is free...###\n")

    logger.debug("remove_old_bootloader(): Waiting until " + _os +
                 "'s package manager is free...")
    HelperBackendTools.wait_until_packagemanager_free(mount_point=mount_point,
                                                      package_manager=\
                                                      OS_INFO[_os]["PackageManager"])

    wx.CallAfter(wx.GetApp().TopWindow.update_current_progress, 27)
    wx.CallAfter(wx.GetApp().TopWindow.update_current_operation_text,
                 message="Removing " + BOOTLOADER_INFO[_os]["Bootloader"] +
                 " from " + _os + "...")

    wx.CallAfter(
        wx.GetApp().TopWindow.update_output_box, "\n###Removing " +
        BOOTLOADER_INFO[_os]["Bootloader"] + " from " + _os + "...###\n")

    #Make sure the GNOME APT frontend dependency is installed.
    if OS_INFO[_os]["PackageManager"] == "apt-get":
        #Ubuntu 16.04.
        cmd = "sh -c 'DEBIAN_FRONTEND=noninteractive apt-get install -y libgnome2-perl'"

        if use_chroot:
            cmd = "chroot " + mount_point + " " + cmd

        retval = CoreTools.start_process(cmd, privileged=True)

        #All newer versions.
        cmd = "sh -c 'DEBIAN_FRONTEND=noninteractive apt-get install -y libgtk3-perl'"

        if use_chroot:
            cmd = "chroot " + mount_point + " " + cmd

        retval = CoreTools.start_process(cmd, privileged=True)

    #Remove the bootloader.
    if BOOTLOADER_INFO[_os]["Bootloader"] == "GRUB2":
        logger.info("remove_old_bootloader(): Removing GRUB2...")

        if OS_INFO[_os]["PackageManager"] == "apt-get":
            cmd = "sh -c 'DEBIAN_FRONTEND=gnome DISPLAY=:0 apt-get purge -y " \
                  "--allow-remove-essential grub-pc grub-pc-bin grub-common'"

        elif OS_INFO[_os]["PackageManager"] == "dnf":
            cmd = "dnf -y remove grub2"

    elif BOOTLOADER_INFO[_os]["Bootloader"] == "GRUB-UEFI":
        logger.info("remove_old_bootloader(): Removing GRUB-UEFI...")

        if OS_INFO[_os]["PackageManager"] == "apt-get":
            cmd = "sh -c 'DEBIAN_FRONTEND=gnome DISPLAY=:0 apt-get purge -y " \
                  "--allow-remove-essential grub-efi grub-efi-amd64 grub-efi-amd64-bin" \
                  " grub-efi-ia32 grub-efi-ia32-bin grub-common grub2-common'"

        elif OS_INFO[_os]["PackageManager"] == "dnf":
            cmd = "dnf -y remove grub2-efi-x64 grub2-efi-ia32 shim-x64"

    else:
        #Bootloader is unknown. Just output a warning message.
        logger.warning(
            "remove_old_bootloader(): Cannot remove unknown bootloader! " +
            "Continuing anyway...")

        cmd = "echo 'WARNING: Bootloader is " \
              "unknown, cannot remove. Continuing anyway...'"

    if use_chroot:
        cmd = "chroot " + mount_point + " " + cmd

    retval = CoreTools.start_process(cmd, privileged=True)

    if retval != 0:
        logger.error("remove_old_bootloader(): Failed to remove " +
                     BOOTLOADER_INFO[_os]["Bootloader"] + " from " + _os +
                     "! Warning user...")

        DialogTools.show_msg_dlg(kind="error",
                                 message="WxFixBoot failed to remove " +
                                 BOOTLOADER_INFO[_os]["Bootloader"] +
                                 " from " + _os + "!")
        return False

    #If there's a seperate EFI partition for this OS, make sure it's unmounted before removing
    #the chroot.
    if OS_INFO[_os]["EFIPartition"] != "Unknown":
        if CoreTools.unmount(mount_point + "/boot/efi") != 0:
            logger.error("remove_old_bootloader(): Failed to unmount " +
                         mount_point +
                         "/boot/efi! This probably doesn't matter...")

    #unmount a /boot partition if it exists.
    if OS_INFO[_os]["BootPartition"] != "Unknown":
        if CoreTools.unmount(mount_point + "/boot") != 0:
            logger.error("remove_old_bootloader(): Failed to unmount " + _os +
                         "'s /boot partition! Continuing anyway...")

    #Tear down chroot if needed.
    if use_chroot:
        if CoreTools.teardown_chroot(mount_point=mount_point) != 0:
            logger.error(
                "remove_old_bootloader(): Failed to remove chroot at " +
                mount_point + "! Attempting to continue anyway...")

    #unmount partition if needed.
    if unmount_after:
        if CoreTools.unmount(mount_point) != 0:
            logger.error("remove_old_bootloader(): Couldn't unmount " +
                         mount_point + "! Continuing anyway...")

    wx.CallAfter(
        wx.GetApp().TopWindow.update_output_box, "\n###Finished removing " +
        BOOTLOADER_INFO[_os]["Bootloader"] + " from " + _os + "...###\n")

    if retval != 0:
        #Something went wrong! Log it and notify the user.
        logger.error("remove_old_bootloader(): Failed to remove " +
                     BOOTLOADER_INFO[_os]["Bootloader"] + " from " + _os +
                     "! We'll continue anyway. Warn the user.")

        DialogTools.show_msg_dlg(
            kind="error",
            message="WxFixBoot failed to remove " +
            BOOTLOADER_INFO[_os]["Bootloader"] + " from " + _os +
            "! This probably doesn't matter; when we install the new " +
            "bootloader, it should take precedence over the old one " +
            "anyway. Make sure you check that " + _os + " boots correctly " +
            "after WxFixBoot finishes its operations. Reinstalling the " +
            "bootloader again afterwards is recommended.")

    #Attempt to clear any stuck logical volumes that may have been created by os-prober.
    CoreTools.start_process("dmsetup remove_all -y", privileged=True)

    #Make sure any LVM volume groups are active.
    for disk in DISK_INFO:
        if "VGName" in DISK_INFO[disk]:
            CoreTools.start_process("vgchange -a y " +
                                    DISK_INFO[disk]["VGName"],
                                    privileged=True)

    #Log and notify the user that we're finished removing bootloaders.
    logger.info("remove_old_bootloader(): Finished removing " +
                BOOTLOADER_INFO[_os]["Bootloader"] + "...")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_operation_text,
                 message="Finished removing " +
                 BOOTLOADER_INFO[_os]["Bootloader"] + " from " + _os +
                 "......")

    wx.CallAfter(wx.GetApp().TopWindow.update_current_progress, 50)

    return True
def get_oss():
    """Get the names of all OSs on the HDDs."""
    root_fs = CoreTools.get_partition_mounted_at("/")

    #Get Linux OSs.
    keys = list(DISK_INFO.keys())
    keys.sort()

    for partition in keys:
        if DISK_INFO[partition]["Type"] == "Device":
            continue

        elif DISK_INFO[partition]["FileSystem"] in ("hfsplus", "hfs", "apfs"):
            #Look for Mac OS X.
            os_name = "Mac OS X ("+partition+")"

            #Check if we need to mount the partition.
            was_mounted = False

            if CoreTools.is_mounted(partition):
                #If mounted, get the mountpoint.
                mount_point = CoreTools.get_mount_point_of(partition)

            else:
                #Mount the partition and check if anything went wrong.
                mount_point = "/mnt/wxfixboot/mountpoints"+partition

                if CoreTools.mount_partition(partition=partition, mount_point=mount_point) != 0:
                    #Ignore the partition.
                    continue

                was_mounted = True

            if os.path.exists(mount_point+"/mach_kernel") or os.path.exists(mount_point+"/System/Library/Kernels/kernel"):
                #Create OS_INFO entry for it.
                OS_INFO[os_name] = {}
                OS_INFO[os_name]["Name"] = os_name
                OS_INFO[os_name]["IsCurrentOS"] = False
                OS_INFO[os_name]["Arch"] = "Unknown"
                OS_INFO[os_name]["Partition"] = partition
                OS_INFO[os_name]["PackageManager"] = "Mac App Store"
                OS_INFO[os_name]["RawFSTabInfo"], OS_INFO[os_name]["EFIPartition"], OS_INFO[os_name]["BootPartition"] = (["Unknown"], "Unknown", "Unknown")

            #Unmount the filesystem if needed.
            if was_mounted:
                if CoreTools.unmount(mount_point) != 0:
                    break
                    #CoreTools.emergency_exit("Couldn't unmount "+partition+" after looking for"
                    #                         + "operating systems on it! Please reboot your "
                    #                         + "computer and try again.")

        elif DISK_INFO[partition]["FileSystem"] in ("vfat", "ntfs", "exfat"):
            #Look for Windows. NOTE: It seems NTFS volumes can't be mounted twice, which is why
            #we're being more careful here.
            #Check if we need to mount the partition.
            was_mounted = False

            if CoreTools.is_mounted(partition):
                #If mounted, get the mountpoint.
                mount_point = CoreTools.get_mount_point_of(partition)

            else:
                #Mount the partition and check if anything went wrong.
                mount_point = "/mnt/wxfixboot/mountpoints"+partition

                if CoreTools.mount_partition(partition=partition, mount_point=mount_point) != 0:
                    #Ignore the partition.
                    continue

                was_mounted = True

            #Check if there's a Windows/WinNT dir.
            if not (os.path.isdir(mount_point+"/WinNT") or os.path.isdir(mount_point+"/Windows") or os.path.isdir(mount_point+"/WINDOWS")):
                #Skip this partition, and unmount if needed.
                pass

            else:
                #Look for lots of different Windows editions.
                if CoreStartupTools.has_windows_9x(mount_point):
                    os_name = "Windows 95/98/ME"

                elif CoreStartupTools.has_windows_xp(mount_point):
                    os_name = "Windows XP"

                elif CoreStartupTools.has_windows_vista(mount_point):
                    os_name = "Windows Vista"

                elif CoreStartupTools.has_windows_7(mount_point):
                    os_name = "Windows 7"

                elif CoreStartupTools.has_windows_8(mount_point):
                    os_name = "Windows 8/8.1"

                elif CoreStartupTools.has_windows_10(mount_point):
                    os_name = "Windows 10"

                else:
                    #Unknown Windows.
                    os_name = "Windows"

                #Create OS_INFO entry for it.
                os_name = os_name+" ("+partition+")"
                OS_INFO[os_name] = {}
                OS_INFO[os_name]["Name"] = os_name
                OS_INFO[os_name]["IsCurrentOS"] = False
                OS_INFO[os_name]["Arch"] = "Unknown"
                OS_INFO[os_name]["Partition"] = partition
                OS_INFO[os_name]["PackageManager"] = "Windows Installer"
                OS_INFO[os_name]["RawFSTabInfo"], OS_INFO[os_name]["EFIPartition"], OS_INFO[os_name]["BootPartition"] = (["Unknown"], "Unknown", "Unknown")

            #Unmount the filesystem if needed.
            if was_mounted:
                if CoreTools.unmount(mount_point) != 0:
                    break
                    #CoreTools.emergency_exit("Couldn't unmount "+partition+" after looking for"
                    #                         + "operating systems on it! Please reboot your "
                    #                         + "computer and try again.")

        else:
            #Look for Linux.
            #The python command runs on python 2 and python 3.
            #If there are aliases for partition, check if the root FS is one of those too.
            root_fs_is_alias = False

            if "Aliases" in DISK_INFO[partition]:
                root_fs_is_alias = (root_fs in DISK_INFO[partition]["Aliases"])

            if partition == root_fs or root_fs_is_alias:
                cmd = "python -c \"from __future__ import print_function; import platform; print(' '.join(platform.linux_distribution()));\""
                apt_cmd = "which apt-get"
                dnf_cmd = "which dnf"
                chroot = False
                is_current_os = True
                mount_point = ""

            else:
                mount_point = "/mnt/wxfixboot/mountpoints"+partition
                cmd = "chroot "+mount_point+" python -c \"from __future__ import print_function; import platform; print(' '.join(platform.linux_distribution()));\""
                apt_cmd = "chroot "+mount_point+" which apt-get"
                dnf_cmd = "chroot "+mount_point+" which dnf"
                chroot = True
                is_current_os = False

                #Mount the partition and check if anything went wrong.
                if CoreTools.mount_partition(partition=partition, mount_point=mount_point) != 0:
                    #Ignore the partition.
                    continue

            #Look for Linux on this partition.
            retval, temp = CoreTools.start_process(cmd, return_output=True)
            os_name = temp.replace('\n', '')

            #Run the function to get the architechure.
            os_arch = CoreStartupTools.determine_os_architecture(mount_point=mount_point)

            #If the OS's name wasn't found, but its architecture was, there must be an OS here,
            #so try to use lsb_release if possible before asking the user. Catch if the name is
            #just whitespace too.
            if (retval != 0 or os_name == "" or os_name.isspace()) and os_arch != None:
                os_name = CoreStartupTools.get_os_name_with_lsb(partition=partition,
                                                                mount_point=mount_point,
                                                                is_current_os=is_current_os)

                #If we really have to, ask the user.
                if os_name is None:
                    os_name = CoreStartupTools.ask_for_os_name(partition=partition,
                                                               is_current_os=is_current_os)

            #Look for APT.
            package_manager = CoreStartupTools.determine_package_manager(apt_cmd=apt_cmd,
                                                                         dnf_cmd=dnf_cmd) 

            #Also check if CoreStartupTools.ask_for_os_name was used to determine the name.
            #If the user skipped naming the OS, ignore it and skip the rest of this loop iteration.
            if os_name != None and os_arch != None and package_manager != "Unknown":
                #Add this information to OS_INFO.
                OS_INFO[os_name] = {}
                OS_INFO[os_name]["Name"] = os_name
                OS_INFO[os_name]["IsCurrentOS"] = is_current_os
                OS_INFO[os_name]["Arch"] = os_arch
                OS_INFO[os_name]["Partition"] = partition
                OS_INFO[os_name]["PackageManager"] = package_manager
                OS_INFO[os_name]["RawFSTabInfo"], OS_INFO[os_name]["EFIPartition"], OS_INFO[os_name]["BootPartition"] = CoreStartupTools.get_fstab_info(mount_point, os_name)

                if chroot is False:
                    SYSTEM_INFO["CurrentOS"] = OS_INFO[os_name].copy()

            if chroot:
                #Unmount the filesystem.
                if CoreTools.unmount(mount_point) != 0: break
                    #CoreTools.emergency_exit("Couldn't unmount "+partition+" after looking for"
                    #                         + "operating systems on it! Please reboot your "
                    #                         + "computer and try again.")

                #Remove the temporary mountpoint
                os.rmdir(mount_point)

    #Check that at least one OS was detected.
    if len(OS_INFO) >= 1:
        return OS_INFO, SYSTEM_INFO

    #Otherwise...
    return (False, False)