diff options
Diffstat (limited to 'testing/cryptsetup/encrypt_hook')
| -rw-r--r-- | testing/cryptsetup/encrypt_hook | 138 |
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: |