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
def get_bootloaders():
"""
Find all bootloaders (for each OS), and gather some information about them
"""
SYSTEM_INFO["ModifyableOSs"] = []
keys = list(OS_INFO.keys())
keys.sort()
for _os in keys:
#If this is a windows OS, create a standard entry.
if "Windows" in _os:
CoreStartupTools.make_bootloaderinfo_entry_for_windows(_os)
continue
#Same for macOS.
elif "macOS" in _os:
CoreStartupTools.make_bootloaderinfo_entry_for_macos(_os)
continue
#If this isn't the current OS, do some preparation.
if not OS_INFO[_os]["IsCurrentOS"]:
#Mount the OS's partition.
mount_point = "/mnt/wxfixboot/mountpoints"+OS_INFO[_os]["Partition"]
if CoreTools.mount_partition(OS_INFO[_os]["Partition"], mount_point) != 0:
logger.error("get_bootloaders(): Failed to mount "+_os+"'s partition! Skipping "
+ "bootloader detection for this OS.")
continue
#Set up chroot.
if CoreTools.setup_chroot(mount_point) != 0:
logger.error("get_bootloaders(): Couldn't set up chroot on "+mount_point
+ "! Attempting to remove it in case it's partially set up, "
+ "and then skipping this OS...")
CoreTools.teardown_chroot(mount_point)
continue
else:
mount_point = ""
#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("get_bootloaders(): Failed to mount "+_os+"'s /boot partition! "
+ "Skipping bootloader detection for this OS.")
if not OS_INFO[_os]["IsCurrentOS"]:
CoreTools.teardown_chroot(mount_point)
CoreTools.unmount(mount_point)
continue
#Mount a /boot/efi partition if it exists.
if OS_INFO[_os]["EFIPartition"] != "Unknown":
if CoreTools.mount_partition(OS_INFO[_os]["EFIPartition"],
mount_point+"/boot/efi") != 0:
logger.error("get_bootloaders(): Failed to mount "+_os+"'s /boot/efi partition! "
+ "Skipping bootloader detection for this OS.")
if not OS_INFO[_os]["IsCurrentOS"]:
CoreTools.teardown_chroot(mount_point)
CoreTools.unmount(mount_point)
continue
#Look for bootloaders.
BOOTLOADER_INFO[_os] = {}
BOOTLOADER_INFO[_os]["OSName"] = _os
BOOTLOADER_INFO[_os]["Bootloader"], BOOTLOADER_INFO[_os]["AvailableBootloaders"] = \
CoreStartupTools.look_for_bootloaders_on_partition(_os, OS_INFO[_os]["PackageManager"],
mount_point,
not OS_INFO[_os]["IsCurrentOS"])
BOOTLOADER_INFO[_os]["Timeout"], BOOTLOADER_INFO[_os]["GlobalKernelOptions"], \
BOOTLOADER_INFO[_os]["BootDisk"], BOOTLOADER_INFO[_os]["BLSpecificDefaultOS"], \
BOOTLOADER_INFO[_os]["DefaultOS"] = (10, "Unknown", "Unknown", "Unknown", "Unknown")
BOOTLOADER_INFO[_os]["MenuEntries"] = {_os: {}}
#For EFI bootloaders, set the boot disk to the OS's EFI Partition.
if BOOTLOADER_INFO[_os]["Bootloader"] == "GRUB-UEFI":
BOOTLOADER_INFO[_os]["BootDisk"] = OS_INFO[_os]["EFIPartition"]
if BOOTLOADER_INFO[_os]["Bootloader"] in ("GRUB-UEFI", "GRUB2") \
and os.path.isfile(mount_point+"/etc/default/grub"):
grub_dir, BOOTLOADER_INFO[_os]["MenuEntries"] = \
BootloaderConfigObtainingTools.parse_grub2_menu_data(menu_data="",
mount_point=mount_point)[0:2]
#Get GRUB2's config.
#If we're using fedora, always look for grubenv in the EFI partition (the grubenv
#symlink is in /boot/grub2 but it doesn't work when we're chrooting).
if OS_INFO[_os]["PackageManager"] == "dnf":
grub_dir = mount_point+"/boot/efi/EFI/fedora"
BOOTLOADER_INFO[_os]["Timeout"], BOOTLOADER_INFO[_os]["GlobalKernelOptions"], \
BOOTLOADER_INFO[_os]["BLSpecificDefaultOS"] = \
BootloaderConfigObtainingTools.get_grub2_config(mount_point+"/etc/default/grub",
grub_dir+"/grubenv",
BOOTLOADER_INFO[_os]["MenuEntries"])
#Try to find GRUB's location if this is GRUB2.
if BOOTLOADER_INFO[_os]["Bootloader"] == "GRUB2":
BOOTLOADER_INFO[_os]["BootDisk"] = \
BootloaderConfigObtainingTools.find_grub(OS_INFO[_os]["Partition"], "GRUB2")
#If we didn't find the kernel options, set some defaults here, and warn the user.
if BOOTLOADER_INFO[_os]["GlobalKernelOptions"] == "Unknown":
BOOTLOADER_INFO[_os]["GlobalKernelOptions"] = "quiet splash nomodeset"
logger.warning("get_bootloaders(): Couldn't find "+_os+"'s global kernel options! "
+ "Assuming 'quiet splash nomodeset'...")
DialogTools.show_msg_dlg(message="Couldn't find "+_os+"'s default kernel options! "
+ "Loading safe defaults instead. Click okay to continue.",
kind="warning")
#If we didn't find the timeout, set it to 10 seconds here, and warn the user.
if BOOTLOADER_INFO[_os]["Timeout"] == "Unknown":
BOOTLOADER_INFO[_os]["Timeout"] = 10
logger.warning("get_bootloaders(): Couldn't find "+_os+"'s bootloader timeout! "
+ "Assuming 10 seconds...")
DialogTools.show_msg_dlg(message="Couldn't find "+_os+"'s bootloader timeout! "
+ "Loading safe defaults instead. Click okay to continue.",
kind="warning")
#Determine if we can modify this OS from our current one.
if OS_INFO[_os]["Arch"] == SYSTEM_INFO["CurrentOSArch"] \
or (OS_INFO[_os]["Arch"] == "i386" and SYSTEM_INFO["CurrentOSArch"] == "x86_64"):
BOOTLOADER_INFO[_os]["IsModifyable"] = True
BOOTLOADER_INFO[_os]["Comments"] = "Architecture is "+OS_INFO[_os]["Arch"]+"."
SYSTEM_INFO["ModifyableOSs"].append(_os)
else:
BOOTLOADER_INFO[_os]["IsModifyable"] = False
BOOTLOADER_INFO[_os]["Comments"] = "Architecture is "+OS_INFO[_os]["Arch"] \
+ ". Not modifyable because current OS is " \
+ SYSTEM_INFO["CurrentOSArch"]+"."
#Initialise some default no-action settings.
BOOTLOADER_INFO[_os]["Settings"] = {}
BOOTLOADER_INFO[_os]["Settings"]["Reinstall"] = False
BOOTLOADER_INFO[_os]["Settings"]["Update"] = False
BOOTLOADER_INFO[_os]["Settings"]["KeepExistingTimeout"] = False
BOOTLOADER_INFO[_os]["Settings"]["KeepExistingKernelOptions"] = False
BOOTLOADER_INFO[_os]["Settings"]["NewKernelOptions"] = \
BOOTLOADER_INFO[_os]["GlobalKernelOptions"]
BOOTLOADER_INFO[_os]["Settings"]["NewTimeout"] = BOOTLOADER_INFO[_os]["Timeout"]
BOOTLOADER_INFO[_os]["Settings"]["DefaultOS"] = BOOTLOADER_INFO[_os]["DefaultOS"]
BOOTLOADER_INFO[_os]["Settings"]["InstallNewBootloader"] = False
BOOTLOADER_INFO[_os]["Settings"]["NewBootloader"] = "-- Please Select --"
BOOTLOADER_INFO[_os]["Settings"]["BackupBootloader"] = False
BOOTLOADER_INFO[_os]["Settings"]["BootloaderBackupTarget"] = "-- Please Select --"
BOOTLOADER_INFO[_os]["Settings"]["RestoreBootloader"] = False
BOOTLOADER_INFO[_os]["Settings"]["BootloaderRestoreSource"] = "-- Please Select --"
BOOTLOADER_INFO[_os]["Settings"]["ChangeThisOS"] = False
#Initialise GUI state for this OS (True = Enabled, False = Disabled).
BOOTLOADER_INFO[_os]["GUIState"] = {}
BOOTLOADER_INFO[_os]["GUIState"]["ReinstallCheckBoxState"] = True
BOOTLOADER_INFO[_os]["GUIState"]["UpdateCheckBoxState"] = True
BOOTLOADER_INFO[_os]["GUIState"]["KeepExistingTimeoutCheckBoxState"] = False
BOOTLOADER_INFO[_os]["GUIState"]["NewTimeoutSpinnerState"] = False
BOOTLOADER_INFO[_os]["GUIState"]["KeepExistingKernelOptionsCheckBoxState"] = False
BOOTLOADER_INFO[_os]["GUIState"]["NewKernelOptionsTextCtrlState"] = False
BOOTLOADER_INFO[_os]["GUIState"]["DefaultOSChoiceState"] = False
BOOTLOADER_INFO[_os]["GUIState"]["InstallNewBootloaderCheckBoxState"] = True
BOOTLOADER_INFO[_os]["GUIState"]["NewBootloaderChoiceState"] = False
BOOTLOADER_INFO[_os]["GUIState"]["BackupBootloaderCheckBoxState"] = True
BOOTLOADER_INFO[_os]["GUIState"]["BackupBootloaderChoiceState"] = False
BOOTLOADER_INFO[_os]["GUIState"]["RestoreBootloaderCheckBoxState"] = True
BOOTLOADER_INFO[_os]["GUIState"]["RestoreBootloaderChoiceState"] = 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("MainBackendTools: get_bootloaders(): 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("get_bootloaders(): Failed to unmount "+_os+"'s /boot partition! "
+ "Continuing anyway...")
#Clean up if needed.
if not OS_INFO[_os]["IsCurrentOS"]:
#Remove chroot.
if CoreTools.teardown_chroot(mount_point) != 0:
logger.error("get_bootloaders(): Failed to remove chroot from "+mount_point
+ "! Attempting to continue anyway...")
#unmount the OS's partition.
if CoreTools.unmount(mount_point) != 0:
logger.error("get_bootloaders(): Failed to unmount "+_os+"'s partition! This "
+ "could indicate that chroot wasn't removed correctly. Continuing "
+ "anyway...")
#Get default OSs.
for _os in OS_INFO:
#Set sensible defaults for Windows.
if "Windows" in _os:
BOOTLOADER_INFO[_os]["DefaultBootDevice"] = OS_INFO[_os]["Partition"]
BOOTLOADER_INFO[_os]["DefaultOS"] = _os
continue
#Same for macOS.
elif "macOS" in _os:
BOOTLOADER_INFO[_os]["DefaultBootDevice"] = OS_INFO[_os]["Partition"]
BOOTLOADER_INFO[_os]["DefaultOS"] = _os
continue
#Match the bootloader-specific default OS to WxFixBoot's OSs by partition.
logger.info("get_bootloaders(): Attempting to match "+_os+"'s default OS to any OS that "
+ "WxFixBoot detected...")
BOOTLOADER_INFO[_os]["DefaultBootDevice"] = "Unknown"
if "MenuEntries" in BOOTLOADER_INFO[_os].keys():
CoreStartupTools.get_defaultoss_partition(_os)
else:
#Bootloader's configuration is missing.
logger.error("get_bootloaders(): "+_os+"'s bootloader configuration is missing. A "
+ "reinstall will be required for that bootloader...")
#We have the partition, so now find the OS that resides on that partition.
CoreStartupTools.match_partition_to_os(_os)
#Log if we couldn't match them.
if BOOTLOADER_INFO[_os]["DefaultOS"] == "Unknown":
logger.warning("get_bootloaders(): Couldn't match! We will instead use the first OS "
+ "in the list as the default OS, which is "
+ SYSTEM_INFO["ModifyableOSs"][0]+"...")
BOOTLOADER_INFO[_os]["DefaultOS"] = SYSTEM_INFO["ModifyableOSs"][0]
#Set this.
BOOTLOADER_INFO[_os]["Settings"]["DefaultOS"] = BOOTLOADER_INFO[_os]["DefaultOS"]
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
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
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
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)