mirror_zfs/contrib/dracut/90zfs/mount-zfs.sh.in
наб 5d31169d7c contrib: dracut: zfs-lib: simplify ask_for_password
The only user is mount-zfs.sh (non-systemd systems),
so reduce it to what it needs

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13291
2022-04-20 16:45:04 -07:00

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#!/bin/sh
# shellcheck disable=SC2034,SC2154
. /lib/dracut-zfs-lib.sh
decode_root_args || return 0
GENERATOR_FILE=/run/systemd/generator/sysroot.mount
GENERATOR_EXTENSION=/run/systemd/generator/sysroot.mount.d/zfs-enhancement.conf
if [ -e "$GENERATOR_FILE" ] && [ -e "$GENERATOR_EXTENSION" ]; then
# We're under systemd and dracut-zfs-generator ran to completion.
info "ZFS: Delegating root mount to sysroot.mount at al."
# We now prevent Dracut from running this thing again.
rm -f "$hookdir"/mount/*zfs*
return
fi
info "ZFS: No sysroot.mount exists or zfs-generator did not extend it."
info "ZFS: Mounting root with the traditional mount-zfs.sh instead."
# Delay until all required block devices are present.
modprobe zfs 2>/dev/null
udevadm settle
ZFS_DATASET=
ZFS_POOL=
if [ "${root}" = "zfs:AUTO" ] ; then
if ! ZFS_DATASET="$(find_bootfs)" ; then
# shellcheck disable=SC2086
zpool import -N -a ${ZPOOL_IMPORT_OPTS}
if ! ZFS_DATASET="$(find_bootfs)" ; then
warn "ZFS: No bootfs attribute found in importable pools."
zpool export -aF
rootok=0
return 1
fi
fi
info "ZFS: Using ${ZFS_DATASET} as root."
fi
ZFS_DATASET="${ZFS_DATASET:-${root}}"
ZFS_POOL="${ZFS_DATASET%%/*}"
if import_pool "${ZFS_POOL}" ; then
# Load keys if we can or if we need to
if [ "$(zpool list -H -o feature@encryption "${ZFS_POOL}")" = 'active' ]; then
# if the root dataset has encryption enabled
ENCRYPTIONROOT="$(zfs get -H -o value encryptionroot "${ZFS_DATASET}")"
if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
KEYSTATUS="$(zfs get -H -o value keystatus "${ENCRYPTIONROOT}")"
# if the key needs to be loaded
if [ "$KEYSTATUS" = "unavailable" ]; then
# decrypt them
ask_for_password \
5 \
"Encrypted ZFS password for ${ENCRYPTIONROOT}: " \
"zfs load-key '${ENCRYPTIONROOT}'"
fi
fi
fi
# Let us tell the initrd to run on shutdown.
# We have a shutdown hook to run
# because we imported the pool.
info "ZFS: Mounting dataset ${ZFS_DATASET}..."
if mount_dataset "${ZFS_DATASET}" ; then
ROOTFS_MOUNTED=yes
return 0
fi
fi
rootok=0