diff options
Diffstat (limited to 'libre-testing/cryptsetup')
-rw-r--r-- | libre-testing/cryptsetup/PKGBUILD | 46 | ||||
-rw-r--r-- | libre-testing/cryptsetup/hooks-encrypt | 144 | ||||
-rw-r--r-- | libre-testing/cryptsetup/install-encrypt | 47 | ||||
-rw-r--r-- | libre-testing/cryptsetup/install-sd-encrypt | 48 |
4 files changed, 285 insertions, 0 deletions
diff --git a/libre-testing/cryptsetup/PKGBUILD b/libre-testing/cryptsetup/PKGBUILD new file mode 100644 index 000000000..6d92a605f --- /dev/null +++ b/libre-testing/cryptsetup/PKGBUILD @@ -0,0 +1,46 @@ +# Maintainer: Bartłomiej Piotrowski <bpiotrowski@archlinux.org> +# Contributor: Thomas Bächler <thomas@archlinux.org> + +pkgname=cryptsetup +pkgver=2.0.4 +pkgrel=1 +pkgdesc='Userspace setup tool for transparent encryption of block devices using dm-crypt' +arch=(x86_64 ppc64le) +license=('GPL') +url='https://gitlab.com/cryptsetup/cryptsetup/' +groups=('base') +depends=('device-mapper' 'libgcrypt' 'popt' 'libutil-linux' 'json-c' 'argon2') +makedepends=('util-linux') +options=('!emptydirs') +validpgpkeys=('2A2918243FDE46648D0686F9D9B0577BD93E98FC') # Milan Broz <gmazyland@gmail.com> +source=("https://www.kernel.org/pub/linux/utils/cryptsetup/v2.0/${pkgname}-${pkgver}.tar."{xz,sign} + 'hooks-encrypt' + 'install-encrypt' + 'install-sd-encrypt') +sha256sums=('9d3a3c7033293e0c97f0ad0501fd5b4d4913ae497cbf70cca06633ccc54b5734' + 'SKIP' + '416aa179ce3c6a7a5eee0861f1f0a4fafac91b69e84a2aae82b6e5a6140e31e2' + '7b8c8a189f1b63cb4a0c0dd93d3452615bdc05f0e33570c78b338446a59ca750' + '95a16baa273a0ea5c531bc4b65e7f142ae7cb6423b5e512f4413d1dd4a545421') + +build() { + cd "${srcdir}"/$pkgname-${pkgver} + + ./configure \ + --prefix=/usr \ + --sbindir=/usr/bin \ + --enable-libargon2 \ + --disable-static + make +} + +package() { + cd "${srcdir}"/$pkgname-${pkgver} + + make DESTDIR="${pkgdir}" install + + # install hook + install -D -m0644 "${srcdir}"/hooks-encrypt "${pkgdir}"/usr/lib/initcpio/hooks/encrypt + install -D -m0644 "${srcdir}"/install-encrypt "${pkgdir}"/usr/lib/initcpio/install/encrypt + install -D -m0644 "${srcdir}"/install-sd-encrypt "${pkgdir}"/usr/lib/initcpio/install/sd-encrypt +} diff --git a/libre-testing/cryptsetup/hooks-encrypt b/libre-testing/cryptsetup/hooks-encrypt new file mode 100644 index 000000000..882d5fb44 --- /dev/null +++ b/libre-testing/cryptsetup/hooks-encrypt @@ -0,0 +1,144 @@ +#!/usr/bin/ash + +run_hook() { + modprobe -a -q dm-crypt >/dev/null 2>&1 + [ "${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 [ "$ckdev" = "rootfs" ]; then + ckeyfile=$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 + + # This may happen if third party hooks do the crypt setup + if [ -b "/dev/mapper/${cryptname}" ]; then + echo "Device ${cryptname} already exists, not doing any crypt setup." + return 0 + fi + + warn_deprecated() { + echo "The syntax 'root=${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} open --type luks ${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 open --type luks ${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 ${cryptname} creation failed, aborting..." + return 1 + fi + elif [ -n "${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 open --type plain $resolved $cryptname $cryptargs" + IFS=: read c_hash c_cipher c_keysize c_offset c_skip <<EOF +$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 + echo "" + echo "A password is required to access the ${cryptname} volume:" + fi + eval "$exe $CSQUIET" + + if [ $? -ne 0 ]; then + err "Non-LUKS device decryption failed. verify format: " + err " crypto=hash:cipher:keysize:offset:skip" + return 1 + fi + if [ -e "/dev/mapper/${cryptname}" ]; then + if [ ${DEPRECATED_CRYPT} -eq 1 ]; then + export root="/dev/mapper/root" + fi + else + err "Password succeeded, but ${cryptname} creation failed, aborting..." + return 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: diff --git a/libre-testing/cryptsetup/install-encrypt b/libre-testing/cryptsetup/install-encrypt new file mode 100644 index 000000000..017ba0030 --- /dev/null +++ b/libre-testing/cryptsetup/install-encrypt @@ -0,0 +1,47 @@ +#!/bin/bash + +build() { + local mod + + add_module "dm-crypt" + if [[ $CRYPTO_MODULES ]]; then + for mod in $CRYPTO_MODULES; do + add_module "$mod" + done + else + add_all_modules "/crypto/" + fi + + add_binary "cryptsetup" + add_binary "dmsetup" + add_file "/usr/lib/udev/rules.d/10-dm.rules" + add_file "/usr/lib/udev/rules.d/13-dm-disk.rules" + add_file "/usr/lib/udev/rules.d/95-dm-notify.rules" + add_file "/usr/lib/initcpio/udev/11-dm-initramfs.rules" "/usr/lib/udev/rules.d/11-dm-initramfs.rules" + + # cryptsetup calls pthread_create(), which dlopen()s libgcc_s.so.1 + add_binary "/usr/lib/libgcc_s.so.1" + + add_runscript +} + +help() { + cat <<HELPEOF +This hook allows for an encrypted root device. Users should specify the device +to be unlocked using 'cryptdevice=device:dmname' on the kernel command line, +where 'device' is the path to the raw device, and 'dmname' is the name given to +the device after unlocking, and will be available as /dev/mapper/dmname. + +For unlocking via keyfile, 'cryptkey=device:fstype:path' should be specified on +the kernel cmdline, where 'device' represents the raw block device where the key +exists, 'fstype' is the filesystem type of 'device' (or auto), and 'path' is +the absolute path of the keyfile within the device. + +Without specifying a keyfile, you will be prompted for the password at runtime. +This means you must have a keyboard available to input it, and you may need +the keymap hook as well to ensure that the keyboard is using the layout you +expect. +HELPEOF +} + +# vim: set ft=sh ts=4 sw=4 et: diff --git a/libre-testing/cryptsetup/install-sd-encrypt b/libre-testing/cryptsetup/install-sd-encrypt new file mode 100644 index 000000000..4b2aa5038 --- /dev/null +++ b/libre-testing/cryptsetup/install-sd-encrypt @@ -0,0 +1,48 @@ +#!/bin/bash + +build() { + local mod + + add_module "dm-crypt" + if [[ $CRYPTO_MODULES ]]; then + for mod in $CRYPTO_MODULES; do + add_module "$mod" + done + else + add_all_modules "/crypto/" + fi + + add_binary "dmsetup" + add_file "/usr/lib/udev/rules.d/10-dm.rules" + add_file "/usr/lib/udev/rules.d/13-dm-disk.rules" + add_file "/usr/lib/udev/rules.d/95-dm-notify.rules" + add_file "/usr/lib/initcpio/udev/11-dm-initramfs.rules" "/usr/lib/udev/rules.d/11-dm-initramfs.rules" + + add_systemd_unit "cryptsetup.target" + add_binary "/usr/lib/systemd/system-generators/systemd-cryptsetup-generator" + add_binary "/usr/lib/systemd/systemd-cryptsetup" + + add_systemd_unit "systemd-ask-password-console.path" + add_systemd_unit "systemd-ask-password-console.service" + + # cryptsetup calls pthread_create(), which dlopen()s libgcc_s.so.1 + add_binary "/usr/lib/libgcc_s.so.1" + + # add mkswap for creating swap space on the fly (see 'swap' in crypttab(5)) + add_binary "mkswap" + + [[ -f /etc/crypttab.initramfs ]] && add_file "/etc/crypttab.initramfs" "/etc/crypttab" +} + +help() { + cat <<HELPEOF +This hook allows for an encrypted root device with systemd initramfs. + +See the manpage of systemd-cryptsetup-generator(8) for available kernel +command line options. Alternatively, if the file /etc/crypttab.initramfs +exists, it will be added to the initramfs as /etc/crypttab. See the +crypttab(5) manpage for more information on crypttab syntax. +HELPEOF +} + +# vim: set ft=sh ts=4 sw=4 et: |