1098 lines
44 KiB
Python
1098 lines
44 KiB
Python
# Copyright 2023 Oliver Smith
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# SPDX-License-Identifier: GPL-3.0-or-later
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import logging
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import os
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import re
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import glob
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import shlex
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import pmb.chroot
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import pmb.chroot.apk
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import pmb.chroot.other
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import pmb.chroot.initfs
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import pmb.config
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import pmb.config.pmaports
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import pmb.helpers.devices
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import pmb.helpers.run
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import pmb.install.blockdevice
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import pmb.install.recovery
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import pmb.install.ui
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import pmb.install
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def mount_device_rootfs(args, suffix_rootfs, suffix_mount="native"):
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"""
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Mount the device rootfs.
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:param suffix_rootfs: the chroot suffix, where the rootfs that will be
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installed on the device has been created (e.g.
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"rootfs_qemu-amd64")
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:param suffix_mount: the chroot suffix, where the device rootfs will be
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mounted (e.g. "native")
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"""
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mountpoint = f"/mnt/{suffix_rootfs}"
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pmb.helpers.mount.bind(args, f"{args.work}/chroot_{suffix_rootfs}",
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f"{args.work}/chroot_{suffix_mount}{mountpoint}")
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return mountpoint
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def get_subpartitions_size(args, suffix):
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"""
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Calculate the size of the boot and root subpartition.
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:param suffix: the chroot suffix, e.g. "rootfs_qemu-amd64"
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:returns: (boot, root) the size of the boot and root
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partition as integer in MiB
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"""
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boot = int(args.boot_size)
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# Estimate root partition size, then add some free space. The size
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# calculation is not as trivial as one may think, and depending on the
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# file system etc it seems to be just impossible to get it right.
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chroot = f"{args.work}/chroot_{suffix}"
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root = pmb.helpers.other.folder_size(args, chroot) / 1024
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root *= 1.20
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root += 50 + int(args.extra_space)
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return (boot, root)
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def get_nonfree_packages(args, device):
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"""
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Get the non-free packages based on user's choice in "pmbootstrap init" and
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based on whether there are non-free packages in the APKBUILD or not.
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:returns: list of non-free packages to be installed. Example:
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["device-nokia-n900-nonfree-firmware"]
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"""
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# Read subpackages
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apkbuild = pmb.parse.apkbuild(pmb.helpers.devices.find_path(args, device,
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'APKBUILD'))
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subpackages = apkbuild["subpackages"]
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# Check for firmware and userland
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ret = []
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prefix = "device-" + device + "-nonfree-"
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if args.nonfree_firmware and prefix + "firmware" in subpackages:
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ret += [prefix + "firmware"]
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if args.nonfree_userland and prefix + "userland" in subpackages:
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ret += [prefix + "userland"]
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return ret
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def get_kernel_package(args, device):
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"""
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Get the device's kernel subpackage based on the user's choice in
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"pmbootstrap init".
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:param device: code name, e.g. "sony-amami"
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:returns: [] or the package in a list, e.g.
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["device-sony-amami-kernel-mainline"]
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"""
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# Empty list: single kernel devices / "none" selected
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kernels = pmb.parse._apkbuild.kernels(args, device)
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if not kernels or args.kernel == "none":
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return []
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# Sanity check
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if args.kernel not in kernels:
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raise RuntimeError("Selected kernel (" + args.kernel + ") is not"
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" valid for device " + device + ". Please"
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" run 'pmbootstrap init' to select a valid kernel.")
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# Selected kernel subpackage
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return ["device-" + device + "-kernel-" + args.kernel]
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def copy_files_from_chroot(args, suffix):
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"""
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Copy all files from the rootfs chroot to /mnt/install, except
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for the home folder (because /home will contain some empty
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mountpoint folders).
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:param suffix: the chroot suffix, e.g. "rootfs_qemu-amd64"
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"""
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# Mount the device rootfs
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logging.info(f"(native) copy {suffix} to /mnt/install/")
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mountpoint = mount_device_rootfs(args, suffix)
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mountpoint_outside = args.work + "/chroot_native" + mountpoint
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# Remove empty qemu-user binary stub (where the binary was bind-mounted)
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arch_qemu = pmb.parse.arch.alpine_to_qemu(args.deviceinfo["arch"])
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qemu_binary = mountpoint_outside + "/usr/bin/qemu-" + arch_qemu + "-static"
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if os.path.exists(qemu_binary):
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pmb.helpers.run.root(args, ["rm", qemu_binary])
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# Remove apk progress fifo
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fifo = f"{args.work}/chroot_{suffix}/tmp/apk_progress_fifo"
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if os.path.exists(fifo):
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pmb.helpers.run.root(args, ["rm", fifo])
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# Get all folders inside the device rootfs (except for home)
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folders = []
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for path in glob.glob(mountpoint_outside + "/*"):
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if path.endswith("/home"):
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continue
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folders += [os.path.basename(path)]
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# Update or copy all files
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if args.rsync:
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pmb.chroot.apk.install(args, ["rsync"])
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rsync_flags = "-a"
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if args.verbose:
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rsync_flags += "vP"
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pmb.chroot.root(args, ["rsync", rsync_flags, "--delete"] + folders +
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["/mnt/install/"], working_dir=mountpoint)
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pmb.chroot.root(args, ["rm", "-rf", "/mnt/install/home"])
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else:
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pmb.chroot.root(args, ["cp", "-a"] + folders + ["/mnt/install/"],
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working_dir=mountpoint)
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def create_home_from_skel(args):
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"""
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Create /home/{user} from /etc/skel
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"""
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rootfs = args.work + "/chroot_native/mnt/install"
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homedir = rootfs + "/home/" + args.user
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pmb.helpers.run.root(args, ["mkdir", rootfs + "/home"])
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if os.path.exists(f"{rootfs}/etc/skel"):
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pmb.helpers.run.root(args, ["cp", "-a", f"{rootfs}/etc/skel", homedir])
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else:
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pmb.helpers.run.root(args, ["mkdir", homedir])
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pmb.helpers.run.root(args, ["chown", "-R", "10000", homedir])
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def configure_apk(args):
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"""
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Copy over all official keys, and the keys used to compile local packages
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(unless --no-local-pkgs is set). Then copy the corresponding APKINDEX files
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and remove the /mnt/pmbootstrap-packages repository.
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"""
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# Official keys
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pattern = f"{pmb.config.apk_keys_path}/*.pub"
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# Official keys + local keys
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if args.install_local_pkgs:
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pattern = f"{args.work}/config_apk_keys/*.pub"
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# Copy over keys
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rootfs = args.work + "/chroot_native/mnt/install"
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for key in glob.glob(pattern):
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pmb.helpers.run.root(args, ["cp", key, rootfs + "/etc/apk/keys/"])
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# Copy over the corresponding APKINDEX files from cache
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index_files = pmb.helpers.repo.apkindex_files(args,
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arch=args.deviceinfo["arch"],
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user_repository=False)
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for f in index_files:
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pmb.helpers.run.root(args, ["cp", f, rootfs + "/var/cache/apk/"])
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# Disable pmbootstrap repository
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pmb.helpers.run.root(args, ["sed", "-i", r"/\/mnt\/pmbootstrap-packages/d",
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rootfs + "/etc/apk/repositories"])
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pmb.helpers.run.user(args, ["cat", rootfs + "/etc/apk/repositories"])
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def set_user(args):
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"""
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Create user with UID 10000 if it doesn't exist.
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Usually the ID for the first user created is 1000, but higher ID is
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chosen here to not cause issues with existing installations. Historically,
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this was done to avoid conflict with Android UIDs/GIDs, but pmOS has since
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dropped support for hybris/Halium.
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"""
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suffix = "rootfs_" + args.device
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if not pmb.chroot.user_exists(args, args.user, suffix):
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pmb.chroot.root(args, ["adduser", "-D", "-u", "10000", args.user],
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suffix)
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groups = pmb.install.ui.get_groups(args) + pmb.config.install_user_groups
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for group in groups:
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pmb.chroot.root(args, ["addgroup", "-S", group], suffix,
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check=False)
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pmb.chroot.root(args, ["addgroup", args.user, group], suffix)
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def setup_login_chpasswd_user_from_arg(args, suffix):
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"""
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Set the user's password from what the user passed as --password. Make an
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effort to not have the password end up in the log file by writing it to
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a temp file, instead of "echo user:$pass | chpasswd". The user should of
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course only use this with a test password anyway, but let's be nice and try
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to have the user protected from accidentally posting their password in
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any case.
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:param suffix: of the chroot, where passwd will be execute (either the
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f"rootfs_{args.device}", or f"installer_{args.device}")
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"""
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path = "/tmp/pmbootstrap_chpasswd_in"
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path_outside = f"{args.work}/chroot_{suffix}{path}"
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with open(path_outside, "w", encoding="utf-8") as handle:
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handle.write(f"{args.user}:{args.password}")
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pmb.chroot.root(args, ["sh", "-c", f"cat {shlex.quote(path)} | chpasswd"],
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suffix)
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os.unlink(path_outside)
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def is_root_locked(args, suffix):
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"""
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Figure out from /etc/shadow if root is already locked. The output of this
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is stored in the log, so use grep to only log the line for root, not the
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line for the user which contains a hash of the user's password.
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:param suffix: either rootfs_{args.device} or installer_{args.device}
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"""
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shadow_root = pmb.chroot.root(args, ["grep", "^root:!:", "/etc/shadow"],
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suffix, output_return=True, check=False)
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return shadow_root.startswith("root:!:")
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def setup_login(args, suffix):
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"""
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Loop until the password for user has been set successfully, and disable
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root login.
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:param suffix: of the chroot, where passwd will be execute (either the
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f"rootfs_{args.device}", or f"installer_{args.device}")
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"""
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if not args.on_device_installer:
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# User password
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logging.info(f" *** SET LOGIN PASSWORD FOR: '{args.user}' ***")
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if args.password:
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setup_login_chpasswd_user_from_arg(args, suffix)
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else:
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while True:
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try:
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pmb.chroot.root(args, ["passwd", args.user], suffix,
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output="interactive")
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break
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except RuntimeError:
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logging.info("WARNING: Failed to set the password. Try it"
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" one more time.")
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# Disable root login
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if is_root_locked(args, suffix):
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logging.debug(f"({suffix}) root is already locked")
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else:
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logging.debug(f"({suffix}) locking root")
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pmb.chroot.root(args, ["passwd", "-l", "root"], suffix)
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def copy_ssh_keys(args):
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"""
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If requested, copy user's SSH public keys to the device if they exist
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"""
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if not args.ssh_keys:
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return
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keys = []
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for key in glob.glob(os.path.expanduser(args.ssh_key_glob)):
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with open(key, "r") as infile:
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keys += infile.readlines()
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if not len(keys):
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logging.info("NOTE: Public SSH keys not found. Since no SSH keys "
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"were copied, you will need to use SSH password "
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"authentication!")
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return
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authorized_keys = args.work + "/chroot_native/tmp/authorized_keys"
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outfile = open(authorized_keys, "w")
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for key in keys:
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outfile.write("%s" % key)
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outfile.close()
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target = f"{args.work}/chroot_native/mnt/install/home/{args.user}/.ssh"
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pmb.helpers.run.root(args, ["mkdir", target])
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pmb.helpers.run.root(args, ["chmod", "700", target])
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pmb.helpers.run.root(args, ["cp", authorized_keys, target +
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"/authorized_keys"])
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pmb.helpers.run.root(args, ["rm", authorized_keys])
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pmb.helpers.run.root(args, ["chown", "-R", "10000:10000", target])
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def setup_keymap(args):
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"""
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Set the keymap with the setup-keymap utility if the device requires it
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"""
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suffix = "rootfs_" + args.device
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info = pmb.parse.deviceinfo(args, device=args.device)
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if "keymaps" not in info or info["keymaps"].strip() == "":
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logging.info("NOTE: No valid keymap specified for device")
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return
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options = info["keymaps"].split(' ')
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if (args.keymap != "" and
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args.keymap is not None and
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args.keymap in options):
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layout, variant = args.keymap.split("/")
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pmb.chroot.root(args, ["setup-keymap", layout, variant], suffix,
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output="interactive")
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# Check xorg config
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config = None
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if os.path.exists(f"{args.work}/chroot_{suffix}/etc/X11/xorg.conf.d"):
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config = pmb.chroot.root(args, ["grep", "-rl", "XkbLayout",
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"/etc/X11/xorg.conf.d/"],
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suffix, check=False, output_return=True)
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if config:
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# Nokia n900 (RX-51) randomly merges some keymaps so we
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# have to specify a composite keymap for a few countries. See:
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# https://gitlab.freedesktop.org/xkeyboard-config/xkeyboard-config/-/blob/master/symbols/nokia_vndr/rx-51
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if variant == "rx51_fi" or variant == "rx51_se":
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layout = "fise"
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if variant == "rx51_da" or variant == "rx51_no":
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layout = "dano"
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if variant == "rx51_pt" or variant == "rx51_es":
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layout = "ptes"
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# Multiple files can contain the keyboard layout, take last
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config = config.splitlines()[-1]
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old_text = "Option *\\\"XkbLayout\\\" *\\\".*\\\""
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new_text = "Option \\\"XkbLayout\\\" \\\"" + layout + "\\\""
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pmb.chroot.root(args, ["sed", "-i", "s/" + old_text + "/" +
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new_text + "/", config], suffix)
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else:
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logging.info("NOTE: No valid keymap specified for device")
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def setup_hostname(args):
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"""
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Set the hostname and update localhost address in /etc/hosts
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"""
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# Default to device name
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hostname = args.hostname
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if not hostname:
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hostname = args.device
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if not pmb.helpers.other.validate_hostname(hostname):
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raise RuntimeError("Hostname '" + hostname + "' is not valid, please"
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" run 'pmbootstrap init' to configure it.")
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suffix = "rootfs_" + args.device
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# Generate /etc/hostname
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pmb.chroot.root(args, ["sh", "-c", "echo " + shlex.quote(hostname) +
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" > /etc/hostname"], suffix)
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# Update /etc/hosts
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regex = (r"s/^127\.0\.0\.1.*/127.0.0.1\t" + re.escape(hostname) +
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" localhost.localdomain localhost/")
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pmb.chroot.root(args, ["sed", "-i", "-e", regex, "/etc/hosts"], suffix)
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def setup_appstream(args):
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"""
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If alpine-appstream-downloader has been downloaded, execute it to have
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update AppStream data on new installs
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"""
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suffix = "rootfs_" + args.device
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installed_pkgs = pmb.chroot.apk.installed(args, suffix)
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if "alpine-appstream-downloader" not in installed_pkgs or args.offline:
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return
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pmb.chroot.root(args, ["alpine-appstream-downloader",
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"/mnt/appstream-data"], suffix)
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pmb.chroot.root(args, ["mkdir", "-p", "/var/lib/swcatalog"], suffix)
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pmb.chroot.root(args, ["cp", "-r", "/mnt/appstream-data/icons",
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"/mnt/appstream-data/xml",
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"-t", "/var/lib/swcatalog"], suffix)
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def disable_sshd(args):
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if not args.no_sshd:
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return
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# check=False: rc-update doesn't exit with 0 if already disabled
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suffix = f"rootfs_{args.device}"
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pmb.chroot.root(args, ["rc-update", "del", "sshd", "default"], suffix,
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check=False)
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# Verify that it's gone
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sshd_files = pmb.helpers.run.root(
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args, ["find", "-name", "sshd"], output_return=True,
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working_dir=f"{args.work}/chroot_{suffix}/etc/runlevels")
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if sshd_files:
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raise RuntimeError(f"Failed to disable sshd service: {sshd_files}")
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def print_sshd_info(args):
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logging.info("") # make the note stand out
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logging.info("*** SSH DAEMON INFORMATION ***")
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if not args.ondev_no_rootfs:
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if args.no_sshd:
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logging.info("SSH daemon is disabled (--no-sshd).")
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else:
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logging.info("SSH daemon is enabled (disable with --no-sshd).")
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logging.info(f"Login as '{args.user}' with the password given"
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" during installation.")
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if args.on_device_installer:
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# We don't disable sshd in the installer OS. If the device is reachable
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# on the network by default (e.g. Raspberry Pi), one can lock down the
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# installer OS down by disabling the debug user (see wiki page).
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logging.info("SSH daemon is enabled in the installer OS, to allow"
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" debugging the installer image.")
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logging.info("More info: https://postmarketos.org/ondev-debug")
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def disable_firewall(args):
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if not args.no_firewall:
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return
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# check=False: rc-update doesn't exit with 0 if already disabled
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suffix = f"rootfs_{args.device}"
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pmb.chroot.root(args, ["rc-update", "del", "nftables", "default"], suffix,
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check=False)
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# Verify that it's gone
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nftables_files = pmb.helpers.run.root(
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args, ["find", "-name", "nftables"], output_return=True,
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working_dir=f"{args.work}/chroot_{suffix}/etc/runlevels")
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if nftables_files:
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raise RuntimeError(f"Failed to disable firewall: {nftables_files}")
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def print_firewall_info(args):
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pmaports_cfg = pmb.config.pmaports.read_config(args)
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pmaports_ok = pmaports_cfg.get("supported_firewall", None) == "nftables"
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# Find kernel pmaport (will not be found if Alpine kernel is used)
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apkbuild_found = False
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apkbuild_has_opt = False
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arch = args.deviceinfo["arch"]
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|
kernel = get_kernel_package(args, args.device)
|
|
if kernel:
|
|
kernel_apkbuild = pmb.build._package.get_apkbuild(args, kernel[0],
|
|
arch)
|
|
if kernel_apkbuild:
|
|
opts = kernel_apkbuild["options"]
|
|
apkbuild_has_opt = "pmb:kconfigcheck-nftables" in opts
|
|
apkbuild_found = True
|
|
|
|
# Print the note and make it stand out
|
|
logging.info("")
|
|
logging.info("*** FIREWALL INFORMATION ***")
|
|
|
|
if not pmaports_ok:
|
|
logging.info("Firewall is not supported in checked out pmaports"
|
|
" branch.")
|
|
elif args.no_firewall:
|
|
logging.info("Firewall is disabled (--no-firewall).")
|
|
elif not apkbuild_found:
|
|
logging.info("Firewall is enabled, but may not work (couldn't"
|
|
" determine if kernel supports nftables).")
|
|
elif apkbuild_has_opt:
|
|
logging.info("Firewall is enabled and supported by kernel.")
|
|
else:
|
|
logging.info("Firewall is enabled, but will not work (no support in"
|
|
" kernel config for nftables).")
|
|
logging.info("If/when the kernel supports it in the future, it"
|
|
" will work automatically.")
|
|
|
|
logging.info("For more information: https://postmarketos.org/firewall")
|
|
|
|
|
|
def generate_binary_list(args, suffix, step):
|
|
"""
|
|
Perform three checks prior to writing binaries to disk: 1) that binaries
|
|
exist, 2) that binaries do not extend into the first partition, 3) that
|
|
binaries do not overlap each other.
|
|
|
|
:param suffix: of the chroot, which holds the firmware files (either the
|
|
f"rootfs_{args.device}", or f"installer_{args.device}")
|
|
:param step: partition step size in bytes
|
|
"""
|
|
binary_ranges = {}
|
|
binary_list = []
|
|
binaries = args.deviceinfo["sd_embed_firmware"].split(",")
|
|
|
|
for binary_offset in binaries:
|
|
binary, offset = binary_offset.split(':')
|
|
try:
|
|
offset = int(offset)
|
|
except ValueError:
|
|
raise RuntimeError("Value for firmware binary offset is "
|
|
f"not valid: {offset}")
|
|
binary_path = os.path.join(args.work, f"chroot_{suffix}", "usr/share",
|
|
binary)
|
|
if not os.path.exists(binary_path):
|
|
raise RuntimeError("The following firmware binary does not "
|
|
f"exist in the {suffix} chroot: "
|
|
f"/usr/share/{binary}")
|
|
# Insure that embedding the firmware will not overrun the
|
|
# first partition
|
|
boot_part_start = args.deviceinfo["boot_part_start"] or "2048"
|
|
max_size = (int(boot_part_start) * 512) - (offset * step)
|
|
binary_size = os.path.getsize(binary_path)
|
|
if binary_size > max_size:
|
|
raise RuntimeError("The firmware is too big to embed in the "
|
|
f"disk image {binary_size}B > {max_size}B")
|
|
# Insure that the firmware does not conflict with any other firmware
|
|
# that will be embedded
|
|
binary_start = offset * step
|
|
binary_end = binary_start + binary_size
|
|
for start, end in binary_ranges.items():
|
|
if ((binary_start >= start and binary_start < end) or
|
|
(binary_end > start and binary_end <= end)):
|
|
raise RuntimeError("The firmware overlaps with at least one "
|
|
f"other firmware image: {binary}")
|
|
|
|
binary_ranges[binary_start] = binary_end
|
|
binary_list.append((binary, offset))
|
|
|
|
return binary_list
|
|
|
|
|
|
def embed_firmware(args, suffix):
|
|
"""
|
|
This method will embed firmware, located at /usr/share, that are specified
|
|
by the "sd_embed_firmware" deviceinfo parameter into the SD card image
|
|
(e.g. u-boot). Binaries that would overwrite the first partition are not
|
|
accepted, and if multiple binaries are specified then they will be checked
|
|
for collisions with each other.
|
|
|
|
:param suffix: of the chroot, which holds the firmware files (either the
|
|
f"rootfs_{args.device}", or f"installer_{args.device}")
|
|
"""
|
|
if not args.deviceinfo["sd_embed_firmware"]:
|
|
return
|
|
|
|
step = 1024
|
|
if args.deviceinfo["sd_embed_firmware_step_size"]:
|
|
try:
|
|
step = int(args.deviceinfo["sd_embed_firmware_step_size"])
|
|
except ValueError:
|
|
raise RuntimeError("Value for "
|
|
"deviceinfo_sd_embed_firmware_step_size "
|
|
"is not valid: {}".format(step))
|
|
|
|
device_rootfs = mount_device_rootfs(args, suffix)
|
|
binary_list = generate_binary_list(args, suffix, step)
|
|
|
|
# Write binaries to disk
|
|
for binary, offset in binary_list:
|
|
binary_file = os.path.join("/usr/share", binary)
|
|
logging.info("Embed firmware {} in the SD card image at offset {} with"
|
|
" step size {}".format(binary, offset, step))
|
|
filename = os.path.join(device_rootfs, binary_file.lstrip("/"))
|
|
pmb.chroot.root(args, ["dd", "if=" + filename, "of=/dev/install",
|
|
"bs=" + str(step), "seek=" + str(offset)])
|
|
|
|
|
|
def write_cgpt_kpart(args, layout, suffix):
|
|
"""
|
|
Write the kernel to the ChromeOS kernel partition.
|
|
|
|
:param layout: partition layout from get_partition_layout()
|
|
:param suffix: of the chroot, which holds the image file to be flashed
|
|
"""
|
|
if not args.deviceinfo["cgpt_kpart"]:
|
|
return
|
|
|
|
device_rootfs = mount_device_rootfs(args, suffix)
|
|
filename = f"{device_rootfs}{args.deviceinfo['cgpt_kpart']}"
|
|
pmb.chroot.root(
|
|
args, ["dd", f"if={filename}", f"of=/dev/installp{layout['kernel']}"])
|
|
|
|
|
|
def sanity_check_sdcard(args):
|
|
device = args.sdcard
|
|
device_name = os.path.basename(device)
|
|
if not os.path.exists(device):
|
|
raise RuntimeError(f"{device} doesn't exist, is the sdcard plugged?")
|
|
if os.path.isdir('/sys/class/block/{}'.format(device_name)):
|
|
with open('/sys/class/block/{}/ro'.format(device_name), 'r') as handle:
|
|
ro = handle.read()
|
|
if ro == '1\n':
|
|
raise RuntimeError(f"{device} is read-only, is the sdcard locked?")
|
|
|
|
|
|
def sanity_check_sdcard_size(args):
|
|
device = args.sdcard
|
|
devpath = os.path.realpath(device)
|
|
sysfs = '/sys/class/block/{}/size'.format(devpath.replace('/dev/', ''))
|
|
if not os.path.isfile(sysfs):
|
|
# This is a best-effort sanity check, continue if it's not checkable
|
|
return
|
|
|
|
with open(sysfs) as handle:
|
|
raw = handle.read()
|
|
|
|
# Size is in 512-byte blocks
|
|
size = int(raw.strip())
|
|
human = "{:.2f} GiB".format(size / 2 / 1024 / 1024)
|
|
|
|
# Warn if the size is larger than 100GiB
|
|
if size > (100 * 2 * 1024 * 1024):
|
|
if not pmb.helpers.cli.confirm(args,
|
|
f"WARNING: The target disk ({devpath}) "
|
|
"is larger than a usual SD card "
|
|
"(>100GiB). Are you sure you want to "
|
|
f"overwrite this {human} disk?",
|
|
no_assumptions=True):
|
|
raise RuntimeError("Aborted.")
|
|
|
|
|
|
def get_ondev_pkgver(args):
|
|
arch = args.deviceinfo["arch"]
|
|
package = pmb.helpers.package.get(args, "postmarketos-ondev", arch)
|
|
return package["version"].split("-r")[0]
|
|
|
|
|
|
def sanity_check_ondev_version(args):
|
|
ver_pkg = get_ondev_pkgver(args)
|
|
ver_min = pmb.config.ondev_min_version
|
|
if pmb.parse.version.compare(ver_pkg, ver_min) == -1:
|
|
raise RuntimeError("This version of pmbootstrap requires"
|
|
f" postmarketos-ondev version {ver_min} or"
|
|
" higher. The postmarketos-ondev found in pmaports"
|
|
f" / in the binary packages has version {ver_pkg}.")
|
|
|
|
|
|
def get_partition_layout(reserve, kernel):
|
|
"""
|
|
:param reserve: create an empty partition between root and boot (pma#463)
|
|
:param kernel: create a separate kernel partition before all other
|
|
partitions, e.g. for the ChromeOS devices with cgpt
|
|
:returns: the partition layout, e.g. without reserve and kernel:
|
|
{"kernel": None, "boot": 1, "reserve": None, "root": 2}
|
|
"""
|
|
ret = {}
|
|
ret["kernel"] = None
|
|
ret["boot"] = 1
|
|
ret["reserve"] = None
|
|
ret["root"] = 2
|
|
|
|
if kernel:
|
|
ret["kernel"] = 1
|
|
ret["boot"] += 1
|
|
ret["root"] += 1
|
|
|
|
if reserve:
|
|
ret["reserve"] = ret["root"]
|
|
ret["root"] += 1
|
|
return ret
|
|
|
|
|
|
def install_system_image(args, size_reserve, suffix, step, steps,
|
|
boot_label="pmOS_boot", root_label="pmOS_root",
|
|
split=False, sdcard=None):
|
|
"""
|
|
:param size_reserve: empty partition between root and boot in MiB (pma#463)
|
|
:param suffix: the chroot suffix, where the rootfs that will be installed
|
|
on the device has been created (e.g. "rootfs_qemu-amd64")
|
|
:param step: next installation step
|
|
:param steps: total installation steps
|
|
:param boot_label: label of the boot partition (e.g. "pmOS_boot")
|
|
:param root_label: label of the root partition (e.g. "pmOS_root")
|
|
:param split: create separate images for boot and root partitions
|
|
:param sdcard: path to sdcard device (e.g. /dev/mmcblk0) or None
|
|
"""
|
|
# Partition and fill image/sdcard
|
|
logging.info(f"*** ({step}/{steps}) PREPARE INSTALL BLOCKDEVICE ***")
|
|
pmb.chroot.shutdown(args, True)
|
|
(size_boot, size_root) = get_subpartitions_size(args, suffix)
|
|
layout = get_partition_layout(size_reserve, args.deviceinfo["cgpt_kpart"])
|
|
if not args.rsync:
|
|
pmb.install.blockdevice.create(args, size_boot, size_root,
|
|
size_reserve, split, sdcard)
|
|
if not split:
|
|
if args.deviceinfo["cgpt_kpart"]:
|
|
pmb.install.partition_cgpt(
|
|
args, layout, size_boot, size_reserve)
|
|
else:
|
|
pmb.install.partition(args, layout, size_boot, size_reserve)
|
|
if not split:
|
|
pmb.install.partitions_mount(args, layout, sdcard)
|
|
|
|
pmb.install.format(args, layout, boot_label, root_label, sdcard)
|
|
|
|
# Just copy all the files
|
|
logging.info(f"*** ({step + 1}/{steps}) FILL INSTALL BLOCKDEVICE ***")
|
|
copy_files_from_chroot(args, suffix)
|
|
create_home_from_skel(args)
|
|
configure_apk(args)
|
|
copy_ssh_keys(args)
|
|
|
|
# Don't try to embed firmware and cgpt on split images since there's no
|
|
# place to put it and it will end up in /dev of the chroot instead
|
|
if not split:
|
|
embed_firmware(args, suffix)
|
|
write_cgpt_kpart(args, layout, suffix)
|
|
|
|
if sdcard:
|
|
logging.info("Unmounting SD card (this may take a while "
|
|
"to sync, please wait)")
|
|
pmb.chroot.shutdown(args, True)
|
|
|
|
# Convert rootfs to sparse using img2simg
|
|
sparse = args.sparse
|
|
if sparse is None:
|
|
sparse = args.deviceinfo["flash_sparse"] == "true"
|
|
|
|
if sparse and not split and not sdcard:
|
|
logging.info("(native) make sparse rootfs")
|
|
pmb.chroot.apk.install(args, ["android-tools"])
|
|
sys_image = args.device + ".img"
|
|
sys_image_sparse = args.device + "-sparse.img"
|
|
pmb.chroot.user(args, ["img2simg", sys_image, sys_image_sparse],
|
|
working_dir="/home/pmos/rootfs/")
|
|
pmb.chroot.user(args, ["mv", "-f", sys_image_sparse, sys_image],
|
|
working_dir="/home/pmos/rootfs/")
|
|
|
|
# patch sparse image for Samsung devices if specified
|
|
samsungify_strategy = args.deviceinfo["flash_sparse_samsung_format"]
|
|
if samsungify_strategy:
|
|
logging.info("(native) convert sparse image into Samsung's sparse image format")
|
|
pmb.chroot.apk.install(args, ["sm-sparse-image-tool"])
|
|
sys_image = f"{args.device}.img"
|
|
sys_image_patched = f"{args.device}-patched.img"
|
|
pmb.chroot.user(args, ["sm_sparse_image_tool", "samsungify", "--strategy",
|
|
samsungify_strategy, sys_image, sys_image_patched],
|
|
working_dir="/home/pmos/rootfs/")
|
|
pmb.chroot.user(args, ["mv", "-f", sys_image_patched, sys_image],
|
|
working_dir="/home/pmos/rootfs/")
|
|
|
|
|
|
def print_flash_info(args):
|
|
""" Print flashing information, based on the deviceinfo data and the
|
|
pmbootstrap arguments. """
|
|
logging.info("") # make the note stand out
|
|
logging.info("*** FLASHING INFORMATION ***")
|
|
|
|
# System flash information
|
|
method = args.deviceinfo["flash_method"]
|
|
flasher = pmb.config.flashers.get(method, {})
|
|
flasher_actions = flasher.get("actions", {})
|
|
requires_split = flasher.get("split", False)
|
|
|
|
if method == "none":
|
|
logging.info("Refer to the installation instructions of your device,"
|
|
" or the generic install instructions in the wiki.")
|
|
logging.info("https://wiki.postmarketos.org/wiki/Installation_guide"
|
|
"#pmbootstrap_flash")
|
|
return
|
|
|
|
logging.info("Run the following to flash your installation to the"
|
|
" target device:")
|
|
|
|
if "flash_rootfs" in flasher_actions and not args.sdcard and \
|
|
bool(args.split) == requires_split:
|
|
logging.info("* pmbootstrap flasher flash_rootfs")
|
|
logging.info(" Flashes the generated rootfs image to your device:")
|
|
if args.split:
|
|
logging.info(f" {args.work}/chroot_native/home/pmos/rootfs/"
|
|
f"{args.device}-rootfs.img")
|
|
else:
|
|
logging.info(f" {args.work}/chroot_native/home/pmos/rootfs/"
|
|
f"{args.device}.img")
|
|
logging.info(" (NOTE: This file has a partition table, which"
|
|
" contains /boot and / subpartitions. That way we"
|
|
" don't need to change the partition layout on your"
|
|
" device.)")
|
|
|
|
# if current flasher supports vbmeta and partition is explicitly specified
|
|
# in deviceinfo
|
|
if "flash_vbmeta" in flasher_actions and \
|
|
(args.deviceinfo["flash_fastboot_partition_vbmeta"] or
|
|
args.deviceinfo["flash_heimdall_partition_vbmeta"]):
|
|
logging.info("* pmbootstrap flasher flash_vbmeta")
|
|
logging.info(" Flashes vbmeta image with verification disabled flag.")
|
|
|
|
# if current flasher supports dtbo and partition is explicitly specified
|
|
# in deviceinfo
|
|
if "flash_dtbo" in flasher_actions and \
|
|
(args.deviceinfo["flash_fastboot_partition_dtbo"] or
|
|
args.deviceinfo["flash_heimdall_partition_dtbo"]):
|
|
logging.info("* pmbootstrap flasher flash_dtbo")
|
|
logging.info(" Flashes dtbo image.")
|
|
|
|
# Most flash methods operate independently of the boot partition.
|
|
# (e.g. an Android boot image is generated). In that case, "flash_kernel"
|
|
# works even when partitions are split or installing for sdcard.
|
|
# This is not possible if the flash method requires split partitions.
|
|
if "flash_kernel" in flasher_actions and \
|
|
(not requires_split or args.split):
|
|
logging.info("* pmbootstrap flasher flash_kernel")
|
|
logging.info(" Flashes the kernel + initramfs to your device:")
|
|
if requires_split:
|
|
logging.info(f" {args.work}/chroot_native/home/pmos/rootfs/"
|
|
f"{args.device}-boot.img")
|
|
else:
|
|
logging.info(f" {args.work}/chroot_rootfs_{args.device}/boot")
|
|
|
|
if "boot" in flasher_actions:
|
|
logging.info(" (NOTE: " + method + " also supports booting"
|
|
" the kernel/initramfs directly without flashing."
|
|
" Use 'pmbootstrap flasher boot' to do that.)")
|
|
|
|
if "flash_lk2nd" in flasher_actions and \
|
|
os.path.exists(args.work + "/chroot_rootfs_" + args.device +
|
|
"/boot/lk2nd.img"):
|
|
logging.info("* Your device supports and may even require"
|
|
" flashing lk2nd. You should flash it before"
|
|
" flashing anything else. Use 'pmbootstrap flasher"
|
|
" flash_lk2nd' to do that.")
|
|
|
|
# Export information
|
|
logging.info("* If the above steps do not work, you can also create"
|
|
" symlinks to the generated files with 'pmbootstrap export'"
|
|
" and flash outside of pmbootstrap.")
|
|
|
|
|
|
def install_recovery_zip(args, steps):
|
|
logging.info(f"*** ({steps}/{steps}) CREATING RECOVERY-FLASHABLE ZIP ***")
|
|
suffix = "buildroot_" + args.deviceinfo["arch"]
|
|
mount_device_rootfs(args, f"rootfs_{args.device}", suffix)
|
|
pmb.install.recovery.create_zip(args, suffix)
|
|
|
|
# Flash information
|
|
logging.info("*** FLASHING INFORMATION ***")
|
|
logging.info("Flashing with the recovery zip is explained here:")
|
|
logging.info("https://postmarketos.org/recoveryzip")
|
|
|
|
|
|
def install_on_device_installer(args, step, steps):
|
|
# Generate the rootfs image
|
|
if not args.ondev_no_rootfs:
|
|
suffix_rootfs = f"rootfs_{args.device}"
|
|
install_system_image(args, 0, suffix_rootfs, step=step, steps=steps,
|
|
split=True)
|
|
step += 2
|
|
|
|
# Prepare the installer chroot
|
|
logging.info(f"*** ({step}/{steps}) CREATE ON-DEVICE INSTALLER ROOTFS ***")
|
|
step += 1
|
|
packages = ([f"device-{args.device}",
|
|
"postmarketos-ondev"] +
|
|
get_kernel_package(args, args.device) +
|
|
get_nonfree_packages(args, args.device))
|
|
|
|
suffix_installer = f"installer_{args.device}"
|
|
pmb.chroot.apk.install(args, packages, suffix_installer)
|
|
|
|
# Move rootfs image into installer chroot
|
|
img_path_dest = f"{args.work}/chroot_{suffix_installer}/var/lib/rootfs.img"
|
|
if not args.ondev_no_rootfs:
|
|
img = f"{args.device}-root.img"
|
|
img_path_src = f"{args.work}/chroot_native/home/pmos/rootfs/{img}"
|
|
logging.info(f"({suffix_installer}) add {img} as /var/lib/rootfs.img")
|
|
pmb.install.losetup.umount(args, img_path_src)
|
|
pmb.helpers.run.root(args, ["mv", img_path_src, img_path_dest])
|
|
|
|
# Run ondev-prepare, so it may generate nice configs from the channel
|
|
# properties (e.g. to display the version number), or transform the image
|
|
# file into another format. This can all be done without pmbootstrap
|
|
# changes in the postmarketos-ondev package.
|
|
logging.info(f"({suffix_installer}) ondev-prepare")
|
|
channel = pmb.config.pmaports.read_config(args)["channel"]
|
|
channel_cfg = pmb.config.pmaports.read_config_channel(args)
|
|
env = {"ONDEV_CHANNEL": channel,
|
|
"ONDEV_CHANNEL_BRANCH_APORTS": channel_cfg["branch_aports"],
|
|
"ONDEV_CHANNEL_BRANCH_PMAPORTS": channel_cfg["branch_pmaports"],
|
|
"ONDEV_CHANNEL_DESCRIPTION": channel_cfg["description"],
|
|
"ONDEV_CHANNEL_MIRRORDIR_ALPINE": channel_cfg["mirrordir_alpine"],
|
|
"ONDEV_CIPHER": args.cipher,
|
|
"ONDEV_PMBOOTSTRAP_VERSION": pmb.__version__,
|
|
"ONDEV_UI": args.ui}
|
|
pmb.chroot.root(args, ["ondev-prepare"], suffix_installer, env=env)
|
|
|
|
# Copy files specified with 'pmbootstrap install --ondev --cp'
|
|
if args.ondev_cp:
|
|
for host_src, chroot_dest in args.ondev_cp:
|
|
host_dest = f"{args.work}/chroot_{suffix_installer}/{chroot_dest}"
|
|
logging.info(f"({suffix_installer}) add {host_src} as"
|
|
f" {chroot_dest}")
|
|
pmb.helpers.run.root(args, ["install", "-Dm644", host_src,
|
|
host_dest])
|
|
|
|
# Remove $DEVICE-boot.img (we will generate a new one if --split was
|
|
# specified, otherwise the separate boot image is not needed)
|
|
if not args.ondev_no_rootfs:
|
|
img_boot = f"{args.device}-boot.img"
|
|
logging.info(f"(native) rm {img_boot}")
|
|
pmb.chroot.root(args, ["rm", f"/home/pmos/rootfs/{img_boot}"])
|
|
|
|
# Disable root login
|
|
setup_login(args, suffix_installer)
|
|
|
|
# Generate installer image
|
|
size_reserve = round(os.path.getsize(img_path_dest) / 1024 / 1024) + 200
|
|
pmaports_cfg = pmb.config.pmaports.read_config(args)
|
|
boot_label = pmaports_cfg.get("supported_install_boot_label",
|
|
"pmOS_inst_boot")
|
|
install_system_image(args, size_reserve, suffix_installer, step, steps,
|
|
boot_label, "pmOS_install", args.split, args.sdcard)
|
|
|
|
|
|
def get_selected_providers(args, packages):
|
|
"""
|
|
Look through the specified packages and see which providers were selected
|
|
in "pmbootstrap init". Install those as extra packages to select them
|
|
instead of the default provider.
|
|
|
|
:param packages: the packages that have selectable providers (_pmb_select)
|
|
:return: additional provider packages to install
|
|
"""
|
|
providers = []
|
|
for p in packages:
|
|
apkbuild = pmb.helpers.pmaports.get(args, p, subpackages=False)
|
|
for select in apkbuild['_pmb_select']:
|
|
if select in args.selected_providers:
|
|
providers.append(args.selected_providers[select])
|
|
return providers
|
|
|
|
|
|
def create_device_rootfs(args, step, steps):
|
|
# List all packages to be installed (including the ones specified by --add)
|
|
# and upgrade the installed packages/apkindexes
|
|
logging.info(f'*** ({step}/{steps}) CREATE DEVICE ROOTFS ("{args.device}")'
|
|
' ***')
|
|
|
|
suffix = f"rootfs_{args.device}"
|
|
# Create user before installing packages, so post-install scripts of
|
|
# pmaports can figure out the username (legacy reasons: pmaports#820)
|
|
set_user(args)
|
|
|
|
# Fill install_packages
|
|
install_packages = (pmb.config.install_device_packages +
|
|
["device-" + args.device])
|
|
if not args.install_base:
|
|
install_packages = [p for p in install_packages
|
|
if p != "postmarketos-base"]
|
|
if args.ui.lower() != "none":
|
|
install_packages += ["postmarketos-ui-" + args.ui]
|
|
|
|
# Add additional providers of base/device/UI package
|
|
install_packages += get_selected_providers(args, install_packages)
|
|
|
|
install_packages += get_kernel_package(args, args.device)
|
|
install_packages += get_nonfree_packages(args, args.device)
|
|
if args.ui.lower() != "none":
|
|
if args.ui_extras:
|
|
install_packages += ["postmarketos-ui-" + args.ui + "-extras"]
|
|
if args.install_recommends:
|
|
install_packages += pmb.install.ui.get_recommends(args)
|
|
if args.extra_packages.lower() != "none":
|
|
install_packages += args.extra_packages.split(",")
|
|
if args.add:
|
|
install_packages += args.add.split(",")
|
|
locale_is_set = (args.locale != pmb.config.defaults["locale"])
|
|
if locale_is_set:
|
|
install_packages += ["lang", "musl-locales"]
|
|
|
|
pmaports_cfg = pmb.config.pmaports.read_config(args)
|
|
# postmarketos-base supports a dummy package for blocking osk-sdl install
|
|
# when not required
|
|
if pmaports_cfg.get("supported_base_nofde", None):
|
|
# The ondev installer *could* enable fde at runtime, so include it
|
|
# explicitly in the rootfs until there's a mechanism to selectively
|
|
# install it when the ondev installer is running.
|
|
# Always install it when --fde is specified.
|
|
if args.full_disk_encryption or args.on_device_installer:
|
|
# Pick the most suitable unlocker depending on the packages
|
|
# selected for installation
|
|
unlocker = pmb.parse.depends.package_provider(
|
|
args, "postmarketos-fde-unlocker", install_packages, suffix)
|
|
if unlocker["pkgname"] not in install_packages:
|
|
install_packages += [unlocker["pkgname"]]
|
|
else:
|
|
install_packages += ["postmarketos-base-nofde"]
|
|
|
|
pmb.helpers.repo.update(args, args.deviceinfo["arch"])
|
|
|
|
# Explicitly call build on the install packages, to re-build them or any
|
|
# dependency, in case the version increased
|
|
if args.build_pkgs_on_install:
|
|
for pkgname in install_packages:
|
|
pmb.build.package(args, pkgname, args.deviceinfo["arch"])
|
|
|
|
# Install all packages to device rootfs chroot (and rebuild the initramfs,
|
|
# because that doesn't always happen automatically yet, e.g. when the user
|
|
# installed a hook without pmbootstrap - see #69 for more info)
|
|
pmb.chroot.apk.install(args, install_packages, suffix)
|
|
flavor = pmb.chroot.other.kernel_flavor_installed(args, suffix)
|
|
pmb.chroot.initfs.build(args, flavor, suffix)
|
|
|
|
# Set the user password
|
|
setup_login(args, suffix)
|
|
|
|
# Set the keymap if the device requires it
|
|
setup_keymap(args)
|
|
|
|
# Set timezone
|
|
arch = args.deviceinfo["arch"]
|
|
package = pmb.helpers.package.get(args, "alpine-conf", arch)
|
|
version = package["version"].split("-r")[0]
|
|
|
|
if not pmb.parse.version.check_string(version, ">=3.14.0"):
|
|
pmb.chroot.root(args, ["setup-timezone", "-z", args.timezone], suffix)
|
|
else:
|
|
pmb.chroot.root(args, ["setup-timezone", args.timezone], suffix)
|
|
|
|
# Set locale
|
|
if locale_is_set:
|
|
# 10locale-pmos.sh gets sourced before 20locale.sh from
|
|
# alpine-baselayout by /etc/profile. Since they don't override the
|
|
# locale if it exists, it warranties we have preference
|
|
line = f"export LANG=${{LANG:-{shlex.quote(args.locale)}}}"
|
|
pmb.chroot.root(args, ["sh", "-c", f"echo {shlex.quote(line)}"
|
|
" > /etc/profile.d/10locale-pmos.sh"], suffix)
|
|
|
|
# Set the hostname as the device name
|
|
setup_hostname(args)
|
|
|
|
setup_appstream(args)
|
|
|
|
disable_sshd(args)
|
|
disable_firewall(args)
|
|
|
|
|
|
def install(args):
|
|
# Sanity checks
|
|
if not args.android_recovery_zip and args.sdcard:
|
|
sanity_check_sdcard(args)
|
|
sanity_check_sdcard_size(args)
|
|
if args.on_device_installer:
|
|
sanity_check_ondev_version(args)
|
|
|
|
# Number of steps for the different installation methods.
|
|
if args.no_image:
|
|
steps = 2
|
|
elif args.android_recovery_zip:
|
|
steps = 3
|
|
elif args.on_device_installer:
|
|
steps = 4 if args.ondev_no_rootfs else 7
|
|
else:
|
|
steps = 4
|
|
|
|
# Install required programs in native chroot
|
|
step = 1
|
|
logging.info(f"*** ({step}/{steps}) PREPARE NATIVE CHROOT ***")
|
|
pmb.chroot.apk.install(args, pmb.config.install_native_packages,
|
|
build=False)
|
|
step += 1
|
|
|
|
if not args.ondev_no_rootfs:
|
|
create_device_rootfs(args, step, steps)
|
|
step += 1
|
|
|
|
if args.no_image:
|
|
return
|
|
elif args.android_recovery_zip:
|
|
return install_recovery_zip(args, steps)
|
|
|
|
if args.on_device_installer:
|
|
# Runs install_system_image twice
|
|
install_on_device_installer(args, step, steps)
|
|
else:
|
|
install_system_image(args, 0, f"rootfs_{args.device}", step, steps,
|
|
split=args.split, sdcard=args.sdcard)
|
|
|
|
print_flash_info(args)
|
|
print_sshd_info(args)
|
|
print_firewall_info(args)
|
|
|
|
# Leave space before 'chroot still active' note
|
|
logging.info("")
|