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author | Freemor <freemor@freemor.ca> | 2018-11-23 17:15:39 -0400 |
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committer | Freemor <freemor@freemor.ca> | 2018-11-23 17:15:39 -0400 |
commit | ff368b7f4dd180b8f9fa04fd1cb32726de98a0fd (patch) | |
tree | c1f38e5b183f1c6d9818b49bf646f66e5aa0eb01 /pcr-testing/plymouth/plymouth.encrypt_hook | |
parent | c0f527d18c9ef4d30bac6a91189284362ce5026c (diff) | |
download | abslibre-ff368b7f4dd180b8f9fa04fd1cb32726de98a0fd.tar.gz abslibre-ff368b7f4dd180b8f9fa04fd1cb32726de98a0fd.tar.bz2 abslibre-ff368b7f4dd180b8f9fa04fd1cb32726de98a0fd.zip |
Updated [plymouth] to address #2067
- Added parabola-logo.png
- Updated referrences to arch-logo.png to parabola-logo.png
- v0.9.3 -> 0.9.4
- removed a patch that seemed not to be necessary any more.
Diffstat (limited to 'pcr-testing/plymouth/plymouth.encrypt_hook')
-rw-r--r-- | pcr-testing/plymouth/plymouth.encrypt_hook | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/pcr-testing/plymouth/plymouth.encrypt_hook b/pcr-testing/plymouth/plymouth.encrypt_hook new file mode 100644 index 000000000..a623debf5 --- /dev/null +++ b/pcr-testing/plymouth/plymouth.encrypt_hook @@ -0,0 +1,134 @@ +#!/bin/bash + +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 +$cryptkey +EOF + + if [ "$ckdev" = "rootfs" ]; then + ckeyfile=$ckarg1 + elif resolved=$(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 ${cryptopt} in + allow-discards) + cryptargs="${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:" + plymouth ask-for-password --prompt="Password for ${cryptname} volume" --dont-pause-progress --number-of-tries=5 --command="/sbin/cryptsetup luksOpen --key-file=- ${resolved} ${cryptname} ${cryptargs} ${CSQUIET}" + sleep 2 + fi + if [ -e "/dev/mapper/${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} +} |