# Copyright 2020 Oliver Smith # SPDX-License-Identifier: GPL-3.0-or-later import os import logging import pmb.chroot def format_and_mount_boot(args): mountpoint = "/mnt/install/boot" device = "/dev/installp1" filesystem = args.deviceinfo["boot_filesystem"] or "ext2" logging.info("(native) format " + device + " (boot, " + filesystem + "), mount to " + mountpoint) if filesystem == "fat16": pmb.chroot.root(args, ["mkfs.fat", "-F", "16", "-n", "pmOS_boot", device]) elif filesystem == "fat32": pmb.chroot.root(args, ["mkfs.fat", "-F", "32", "-n", "pmOS_boot", device]) elif filesystem == "ext2": pmb.chroot.root(args, ["mkfs.ext2", "-F", "-q", "-L", "pmOS_boot", device]) else: raise RuntimeError("Filesystem " + filesystem + " is not supported!") pmb.chroot.root(args, ["mkdir", "-p", mountpoint]) pmb.chroot.root(args, ["mount", device, mountpoint]) def format_and_mount_root(args): mountpoint = "/dev/mapper/pm_crypt" device = "/dev/installp2" if args.full_disk_encryption: logging.info("(native) format " + device + " (root, luks), mount to " + mountpoint) logging.info( " *** TYPE IN THE FULL DISK ENCRYPTION PASSWORD (TWICE!) ***") pmb.chroot.root(args, ["cryptsetup", "luksFormat", "--use-urandom", "--cipher", args.cipher, "-q", device, "--iter-time", args.iter_time], output="interactive") pmb.chroot.root(args, ["cryptsetup", "luksOpen", device, "pm_crypt"], output="interactive") if not os.path.exists(args.work + "/chroot_native" + mountpoint): raise RuntimeError("Failed to open cryptdevice!") def format_and_mount_pm_crypt(args): # Block device if args.full_disk_encryption: device = "/dev/mapper/pm_crypt" else: device = "/dev/installp2" # Format if not args.rsync: logging.info("(native) format " + device) # Some downstream kernels don't support metadata_csum (#1364). # When changing the options of mkfs.ext4, also change them in the # recovery zip code (see 'grep -r mkfs\.ext4')! mkfs_ext4_args = ["mkfs.ext4", "-O", "^metadata_csum", "-F", "-q", "-L", "pmOS_root"] # When we don't know the file system size before hand like # with non-block devices, we need to explicitely set a number of # inodes. See #1717 and #1845 for details if not args.sdcard: mkfs_ext4_args = mkfs_ext4_args + ["-N", "100000"] pmb.chroot.root(args, mkfs_ext4_args + [device]) # Mount mountpoint = "/mnt/install" logging.info("(native) mount " + device + " to " + mountpoint) pmb.chroot.root(args, ["mkdir", "-p", mountpoint]) pmb.chroot.root(args, ["mount", device, mountpoint]) def format(args): format_and_mount_root(args) format_and_mount_pm_crypt(args) format_and_mount_boot(args)