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3a661613df
In systemd 249 (sid), sd-a-p processes its arguments in getopt + mode,
so "systemd-ask-password zupa --no-tty" prompts for "zupa --no-tty",
not "zupa" not on the tty, as expected (bullseye, 247).
Ref: 4b1c842d95
Ref: https://github.com/systemd/systemd/pull/19806
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12870
74 lines
3.1 KiB
Bash
Executable File
74 lines
3.1 KiB
Bash
Executable File
#!/bin/sh
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# shellcheck disable=SC2154
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# only run this on systemd systems, we handle the decrypt in mount-zfs.sh in the mount hook otherwise
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[ -e /bin/systemctl ] || [ -e /usr/bin/systemctl ] || return 0
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# This script only gets executed on systemd systems, see mount-zfs.sh for non-systemd systems
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# import the libs now that we know the pool imported
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[ -f /lib/dracut-lib.sh ] && dracutlib=/lib/dracut-lib.sh
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[ -f /usr/lib/dracut/modules.d/99base/dracut-lib.sh ] && dracutlib=/usr/lib/dracut/modules.d/99base/dracut-lib.sh
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# shellcheck source=./lib-zfs.sh.in
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. "$dracutlib"
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# load the kernel command line vars
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[ -z "$root" ] && root="$(getarg root=)"
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# If root is not ZFS= or zfs: or rootfstype is not zfs then we are not supposed to handle it.
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[ "${root##zfs:}" = "${root}" ] && [ "${root##ZFS=}" = "${root}" ] && [ "$rootfstype" != "zfs" ] && exit 0
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# There is a race between the zpool import and the pre-mount hooks, so we wait for a pool to be imported
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while [ "$(zpool list -H)" = "" ]; do
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systemctl is-failed --quiet zfs-import-cache.service zfs-import-scan.service && exit 1
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sleep 0.1s
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done
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# run this after import as zfs-import-cache/scan service is confirmed good
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# we do not overwrite the ${root} variable, but create a new one, BOOTFS, to hold the dataset
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if [ "${root}" = "zfs:AUTO" ] ; then
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BOOTFS="$(zpool list -H -o bootfs | awk '$1 != "-" {print; exit}')"
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else
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BOOTFS="${root##zfs:}"
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BOOTFS="${BOOTFS##ZFS=}"
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fi
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# if pool encryption is active and the zfs command understands '-o encryption'
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if [ "$(zpool list -H -o feature@encryption "${BOOTFS%%/*}")" = 'active' ]; then
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# if the root dataset has encryption enabled
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ENCRYPTIONROOT="$(zfs get -H -o value encryptionroot "${BOOTFS}")"
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if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
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KEYSTATUS="$(zfs get -H -o value keystatus "${ENCRYPTIONROOT}")"
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# continue only if the key needs to be loaded
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[ "$KEYSTATUS" = "unavailable" ] || exit 0
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KEYLOCATION="$(zfs get -H -o value keylocation "${ENCRYPTIONROOT}")"
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case "${KEYLOCATION%%://*}" in
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prompt)
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for _ in 1 2 3; do
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systemd-ask-password --no-tty "Encrypted ZFS password for ${BOOTFS}" | zfs load-key "${ENCRYPTIONROOT}" && break
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done
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;;
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http*)
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systemctl start network-online.target
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zfs load-key "${ENCRYPTIONROOT}"
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;;
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file)
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KEYFILE="${KEYLOCATION#file://}"
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[ -r "${KEYFILE}" ] || udevadm settle
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[ -r "${KEYFILE}" ] || {
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info "Waiting for key ${KEYFILE} for ${ENCRYPTIONROOT}..."
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for _ in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
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sleep 0.5s
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[ -r "${KEYFILE}" ] && break
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done
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}
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[ -r "${KEYFILE}" ] || warn "Key ${KEYFILE} for ${ENCRYPTIONROOT} hasn't appeared. Trying anyway."
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zfs load-key "${ENCRYPTIONROOT}"
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;;
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*)
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zfs load-key "${ENCRYPTIONROOT}"
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;;
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esac
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fi
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fi
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