diff options
Diffstat (limited to 'contrib/dracut/90zfs/zfs-load-key.sh.in')
-rwxr-xr-x | contrib/dracut/90zfs/zfs-load-key.sh.in | 74 |
1 files changed, 35 insertions, 39 deletions
diff --git a/contrib/dracut/90zfs/zfs-load-key.sh.in b/contrib/dracut/90zfs/zfs-load-key.sh.in index 9fbef8f68..97e9246d4 100755 --- a/contrib/dracut/90zfs/zfs-load-key.sh.in +++ b/contrib/dracut/90zfs/zfs-load-key.sh.in @@ -20,42 +20,38 @@ if [ "$BOOTFS" = "zfs:AUTO" ]; then BOOTFS="$(zpool get -Ho value bootfs | grep -m1 -vFx -)" fi -# if pool encryption is active and the zfs command understands '-o encryption' -if [ "$(zpool list -H -o feature@encryption "${BOOTFS%%/*}")" = 'active' ]; then - # if the root dataset has encryption enabled - ENCRYPTIONROOT="$(zfs get -H -o value encryptionroot "${BOOTFS}")" - if ! [ "${ENCRYPTIONROOT}" = "-" ]; then - KEYSTATUS="$(zfs get -H -o value keystatus "${ENCRYPTIONROOT}")" - # continue only if the key needs to be loaded - [ "$KEYSTATUS" = "unavailable" ] || exit 0 - - KEYLOCATION="$(zfs get -H -o value keylocation "${ENCRYPTIONROOT}")" - case "${KEYLOCATION%%://*}" in - prompt) - for _ in 1 2 3; do - systemd-ask-password --no-tty "Encrypted ZFS password for ${BOOTFS}" | zfs load-key "${ENCRYPTIONROOT}" && break - done - ;; - http*) - systemctl start network-online.target - zfs load-key "${ENCRYPTIONROOT}" - ;; - file) - KEYFILE="${KEYLOCATION#file://}" - [ -r "${KEYFILE}" ] || udevadm settle - [ -r "${KEYFILE}" ] || { - info "Waiting for key ${KEYFILE} for ${ENCRYPTIONROOT}..." - for _ in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do - sleep 0.5s - [ -r "${KEYFILE}" ] && break - done - } - [ -r "${KEYFILE}" ] || warn "Key ${KEYFILE} for ${ENCRYPTIONROOT} hasn't appeared. Trying anyway." - zfs load-key "${ENCRYPTIONROOT}" - ;; - *) - zfs load-key "${ENCRYPTIONROOT}" - ;; - esac - fi -fi +[ "$(zpool get -Ho value feature@encryption "${BOOTFS%%/*}")" = 'active' ] || return 0 + +ENCRYPTIONROOT="$(zfs get -Ho value encryptionroot "${BOOTFS}")" +[ "${ENCRYPTIONROOT}" = "-" ] && return 0 + +[ "$(zfs get -Ho value keystatus "${ENCRYPTIONROOT}")" = "unavailable" ] || return 0 + +KEYLOCATION="$(zfs get -H -o value keylocation "${ENCRYPTIONROOT}")" +case "${KEYLOCATION%%://*}" in + prompt) + for _ in 1 2 3; do + systemd-ask-password --no-tty "Encrypted ZFS password for ${BOOTFS}" | zfs load-key "${ENCRYPTIONROOT}" && break + done + ;; + http*) + systemctl start network-online.target + zfs load-key "${ENCRYPTIONROOT}" + ;; + file) + KEYFILE="${KEYLOCATION#file://}" + [ -r "${KEYFILE}" ] || udevadm settle + [ -r "${KEYFILE}" ] || { + info "ZFS: Waiting for key ${KEYFILE} for ${ENCRYPTIONROOT}..." + for _ in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do + sleep 0.5s + [ -r "${KEYFILE}" ] && break + done + } + [ -r "${KEYFILE}" ] || warn "ZFS: Key ${KEYFILE} for ${ENCRYPTIONROOT} hasn't appeared. Trying anyway." + zfs load-key "${ENCRYPTIONROOT}" + ;; + *) + zfs load-key "${ENCRYPTIONROOT}" + ;; +esac |