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authorsam-lunt <[email protected]>2019-12-26 12:55:20 -0600
committerBrian Behlendorf <[email protected]>2019-12-26 10:55:20 -0800
commitad353e214798619ef4244f84325eb48d8b1afdab (patch)
treea04f8d895a8c32425b4cf1ae51bd6e13af6951f6 /contrib/initramfs
parent8cda5c5ce9dfd26591fa26b7be17347ef6091250 (diff)
In initramfs, do not prompt if keylocation is "file://"
If the encryption key is stored in a file, the initramfs should not prompt for the password. For example, this could be the case if the boot partition is stored on removable media that is only present at boot time Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Garrett Fields <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Kjeld Schouten <[email protected]> Signed-off-by: Sam Lunt <[email protected]> Closes #9764
Diffstat (limited to 'contrib/initramfs')
-rw-r--r--contrib/initramfs/scripts/zfs.in8
1 files changed, 7 insertions, 1 deletions
diff --git a/contrib/initramfs/scripts/zfs.in b/contrib/initramfs/scripts/zfs.in
index 4b04c4be4..4bbdf53a7 100644
--- a/contrib/initramfs/scripts/zfs.in
+++ b/contrib/initramfs/scripts/zfs.in
@@ -411,6 +411,7 @@ decrypt_fs()
# Determine dataset that holds key for root dataset
ENCRYPTIONROOT="$(get_fs_value "${fs}" encryptionroot)"
+ KEYLOCATION="$(get_fs_value "${ENCRYPTIONROOT}" keylocation)"
# If root dataset is encrypted...
if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
@@ -418,8 +419,13 @@ decrypt_fs()
# Continue only if the key needs to be loaded
[ "$KEYSTATUS" = "unavailable" ] || return 0
TRY_COUNT=3
+
+ # If key is stored in a file, do not prompt
+ if ! [ "${KEYLOCATION}" = "prompt" ]; then
+ $ZFS load-key "${ENCRYPTIONROOT}"
+
# Prompt with plymouth, if active
- if [ -e /bin/plymouth ] && /bin/plymouth --ping 2>/dev/null; then
+ elif [ -e /bin/plymouth ] && /bin/plymouth --ping 2>/dev/null; then
while [ $TRY_COUNT -gt 0 ]; do
plymouth ask-for-password --prompt "Encrypted ZFS password for ${ENCRYPTIONROOT}" | \
$ZFS load-key "${ENCRYPTIONROOT}" && break