diff options
author | Parabola <dev@list.parabolagnulinux.org> | 2011-06-06 14:37:09 +0000 |
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committer | Parabola <dev@list.parabolagnulinux.org> | 2011-06-06 14:37:09 +0000 |
commit | c81b3455112a3b09a8341fc8c45a91bd92c15a12 (patch) | |
tree | 93c34f7cbae7441700884513f0e5ebcec9c5f512 /testing/cryptsetup/encrypt_hook | |
parent | 3695b5d62c2aef6e82abc95d775a2ebd89bce081 (diff) |
Mon Jun 6 14:37:05 UTC 2011
Diffstat (limited to 'testing/cryptsetup/encrypt_hook')
-rw-r--r-- | testing/cryptsetup/encrypt_hook | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/testing/cryptsetup/encrypt_hook b/testing/cryptsetup/encrypt_hook deleted file mode 100644 index e84bc6ed7..000000000 --- a/testing/cryptsetup/encrypt_hook +++ /dev/null @@ -1,131 +0,0 @@ -# vim: set ft=sh: -# TODO this one needs some work to work with lots of different -# encryption schemes -run_hook () -{ - /sbin/modprobe -a -q dm-crypt >/dev/null 2>&1 - if [ -e "/sys/class/misc/device-mapper" ]; then - if [ ! -e "/dev/mapper/control" ]; then - /bin/mknod "/dev/mapper/control" c $(cat /sys/class/misc/device-mapper/dev | sed 's|:| |') - fi - [ "${quiet}" = "y" ] && CSQUIET=">/dev/null" - - # Get keyfile if specified - ckeyfile="/crypto_keyfile.bin" - if [ "x${cryptkey}" != "x" ]; then - ckdev="$(echo "${cryptkey}" | cut -d: -f1)" - ckarg1="$(echo "${cryptkey}" | cut -d: -f2)" - ckarg2="$(echo "${cryptkey}" | cut -d: -f3)" - if poll_device "${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} ${ckdev} /ckey - dd if=/ckey/${ckarg2} of=${ckeyfile} >/dev/null 2>&1 - umount /ckey - ;; - *) - # Read raw data from the block device - # ckarg1 is numeric: ckarg1=offset, ckarg2=length - dd if=${ckdev} 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 - cryptdev="$(echo "${cryptdevice}" | cut -d: -f1)" - cryptname="$(echo "${cryptdevice}" | cut -d: -f2)" - 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." - } - - if poll_device "${cryptdev}" ${rootdelay}; then - if /sbin/cryptsetup isLuks ${cryptdev} >/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 /sbin/cryptsetup --key-file ${ckeyfile} luksOpen ${cryptdev} ${cryptname} ${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 /sbin/cryptsetup luksOpen ${cryptdev} ${cryptname} ${CSQUIET}; do - sleep 2; - done - fi - if [ -e "/dev/mapper/${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 [ $# -ne 5 ]; then - err "Verify parameter format: crypto=hash:cipher:keysize:offset:skip" - err "Non-LUKS decryption not attempted..." - return 1 - fi - exe="/sbin/cryptsetup create ${cryptname} ${cryptdev}" - tmp=$(echo "${crypto}" | cut -d: -f1) - [ -n "${tmp}" ] && exe="${exe} --hash \"${tmp}\"" - tmp=$(echo "${crypto}" | cut -d: -f2) - [ -n "${tmp}" ] && exe="${exe} --cipher \"${tmp}\"" - tmp=$(echo "${crypto}" | cut -d: -f3) - [ -n "${tmp}" ] && exe="${exe} --key-size \"${tmp}\"" - tmp=$(echo "${crypto}" | cut -d: -f4) - [ -n "${tmp}" ] && exe="${exe} --offset \"${tmp}\"" - tmp=$(echo "${crypto}" | cut -d: -f5) - [ -n "${tmp}" ] && exe="${exe} --skip \"${tmp}\"" - 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} - fi -} |