summaryrefslogtreecommitdiff
path: root/testing/cryptsetup/encrypt_hook
diff options
context:
space:
mode:
Diffstat (limited to 'testing/cryptsetup/encrypt_hook')
-rw-r--r--testing/cryptsetup/encrypt_hook138
1 files changed, 0 insertions, 138 deletions
diff --git a/testing/cryptsetup/encrypt_hook b/testing/cryptsetup/encrypt_hook
deleted file mode 100644
index 372b7ba57..000000000
--- a/testing/cryptsetup/encrypt_hook
+++ /dev/null
@@ -1,138 +0,0 @@
-#!/usr/bin/ash
-
-run_hook() {
- modprobe -a -q dm-crypt >/dev/null 2>&1
- [ "${quiet}" = "y" ] && CSQUIET=">/dev/null"
-
- # Get keyfile if specified
- ckeyfile="/crypto_keyfile.bin"
- if [ -n "$cryptkey" ]; then
- IFS=: read ckdev ckarg1 ckarg2 <<EOF
-$cryptkey
-EOF
-
- if resolved=$(resolve_device "${ckdev}" ${rootdelay}); then
- case ${ckarg1} in
- *[!0-9]*)
- # Use a file on the device
- # ckarg1 is not numeric: ckarg1=filesystem, ckarg2=path
- mkdir /ckey
- mount -r -t "$ckarg1" "$resolved" /ckey
- dd if="/ckey/$ckarg2" of="$ckeyfile" >/dev/null 2>&1
- umount /ckey
- ;;
- *)
- # Read raw data from the block device
- # ckarg1 is numeric: ckarg1=offset, ckarg2=length
- dd if="$resolved" of="$ckeyfile" bs=1 skip="$ckarg1" count="$ckarg2" >/dev/null 2>&1
- ;;
- esac
- fi
- [ ! -f ${ckeyfile} ] && echo "Keyfile could not be opened. Reverting to passphrase."
- fi
-
- if [ -n "${cryptdevice}" ]; then
- DEPRECATED_CRYPT=0
- IFS=: read cryptdev cryptname cryptoptions <<EOF
-$cryptdevice
-EOF
- else
- DEPRECATED_CRYPT=1
- cryptdev="${root}"
- cryptname="root"
- fi
-
- warn_deprecated() {
- echo "The syntax 'root=${root}' where '${root}' is an encrypted volume is deprecated"
- echo "Use 'cryptdevice=${root}:root root=/dev/mapper/root' instead."
- }
-
- for cryptopt in ${cryptoptions//,/ }; do
- case ${cryptopt} in
- allow-discards)
- echo "Enabling TRIM/discard support."
- cryptargs="${cryptargs} --allow-discards"
- ;;
- *)
- echo "Encryption option '${cryptopt}' not known, ignoring." >&2
- ;;
- esac
- done
-
- if resolved=$(resolve_device "${cryptdev}" ${rootdelay}); then
- if cryptsetup isLuks ${resolved} >/dev/null 2>&1; then
- [ ${DEPRECATED_CRYPT} -eq 1 ] && warn_deprecated
- dopassphrase=1
- # If keyfile exists, try to use that
- if [ -f ${ckeyfile} ]; then
- if eval cryptsetup --key-file ${ckeyfile} luksOpen ${resolved} ${cryptname} ${cryptargs} ${CSQUIET}; then
- dopassphrase=0
- else
- echo "Invalid keyfile. Reverting to passphrase."
- fi
- fi
- # Ask for a passphrase
- if [ ${dopassphrase} -gt 0 ]; then
- echo ""
- echo "A password is required to access the ${cryptname} volume:"
-
- #loop until we get a real password
- while ! eval cryptsetup luksOpen ${resolved} ${cryptname} ${cryptargs} ${CSQUIET}; do
- sleep 2;
- done
- fi
- if [ -e "/dev/mapper/${cryptname}" ]; then
- if [ ${DEPRECATED_CRYPT} -eq 1 ]; then
- export root="/dev/mapper/root"
- fi
- else
- err "Password succeeded, but ${cryptname} creation failed, aborting..."
- exit 1
- fi
- elif [ -n "${crypto}" ]; then
- [ ${DEPRECATED_CRYPT} -eq 1 ] && warn_deprecated
- msg "Non-LUKS encrypted device found..."
- if echo "$crypto" | awk -F: '{ exit(NF == 5) }'; then
- err "Verify parameter format: crypto=hash:cipher:keysize:offset:skip"
- err "Non-LUKS decryption not attempted..."
- return 1
- fi
- exe="cryptsetup create $cryptname $resolved $cryptargs"
- IFS=: read c_hash c_cipher c_keysize c_offset c_skip <<EOF
-$crypto
-EOF
- [ -n "$c_hash" ] && exe="$exe --hash '$c_hash'"
- [ -n "$c_cipher" ] && exe="$exe --cipher '$c_cipher'"
- [ -n "$c_keysize" ] && exe="$exe --key-size '$c_keysize'"
- [ -n "$c_offset" ] && exe="$exe --offset '$c_offset'"
- [ -n "$c_skip" ] && exe="$exe --skip '$c_skip'"
- if [ -f "$ckeyfile" ]; then
- exe="$exe --key-file $ckeyfile"
- else
- exe="$exe --verify-passphrase"
- echo ""
- echo "A password is required to access the ${cryptname} volume:"
- fi
- eval "$exe $CSQUIET"
-
- if [ $? -ne 0 ]; then
- err "Non-LUKS device decryption failed. verify format: "
- err " crypto=hash:cipher:keysize:offset:skip"
- exit 1
- fi
- if [ -e "/dev/mapper/${cryptname}" ]; then
- if [ ${DEPRECATED_CRYPT} -eq 1 ]; then
- export root="/dev/mapper/root"
- fi
- else
- err "Password succeeded, but ${cryptname} creation failed, aborting..."
- exit 1
- fi
- else
- err "Failed to open encryption mapping: The device ${cryptdev} is not a LUKS volume and the crypto= paramater was not specified."
- fi
- fi
- rm -f ${ckeyfile}
-}
-
-# vim: set ft=sh ts=4 sw=4 et: