Compare commits
1 Commits
Author | SHA1 | Date | |
---|---|---|---|
a66fdb0edd
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@@ -48,7 +48,6 @@ extended-description = "Decrypt your LUKS partition using a FIDO2 compatible aut
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assets = [
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assets = [
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["target/release/fido2luks", "usr/bin/", "755"],
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["target/release/fido2luks", "usr/bin/", "755"],
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["fido2luks.bash", "usr/share/bash-completion/completions/fido2luks", "644"],
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["fido2luks.bash", "usr/share/bash-completion/completions/fido2luks", "644"],
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["pam_mount/fido2luksmounthelper.sh", "usr/bin/", "755"],
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["initramfs-tools/keyscript.sh", "/lib/cryptsetup/scripts/fido2luks", "755" ],
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["initramfs-tools/keyscript.sh", "/lib/cryptsetup/scripts/fido2luks", "755" ],
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["initramfs-tools/hook/fido2luks.sh", "etc/initramfs-tools/hooks/", "755" ],
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["initramfs-tools/hook/fido2luks.sh", "etc/initramfs-tools/hooks/", "755" ],
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["initramfs-tools/fido2luks.conf", "etc/", "644"],
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["initramfs-tools/fido2luks.conf", "etc/", "644"],
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6
PKGBUILD
6
PKGBUILD
@@ -17,13 +17,9 @@ pkgver() {
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build() {
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build() {
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cargo build --release --locked --all-features --target-dir=target
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cargo build --release --locked --all-features --target-dir=target
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target/release/${pkgname} completions target
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}
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}
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package() {
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package() {
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install -Dm 755 target/release/${pkgname} -t "${pkgdir}/usr/bin"
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install -Dm 755 target/release/${pkgname} -t "${pkgdir}/usr/bin"
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install -Dm 755 ../pam_mount/fido2luksmounthelper.sh -t "${pkgdir}/usr/bin"
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install -Dm 644 ../fido2luks.bash "${pkgdir}/usr/share/bash-completion/completions/fido2luks"
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install -Dm 644 target/fido2luks.bash "${pkgdir}/usr/share/bash-completion/completions/fido2luks"
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install -Dm 755 ../initcpio/hook.sh "${pkgdir}/usr/lib/initcpio/install/fido2luks"
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install -Dm 755 ../initcpio/hook.sh "${pkgdir}/usr/lib/initcpio/hooks/fido2luks"
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}
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}
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@@ -2,7 +2,7 @@
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This will allow you to unlock your LUKS encrypted disk with an FIDO2 compatible key.
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This will allow you to unlock your LUKS encrypted disk with an FIDO2 compatible key.
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Note: This has only been tested under Fedora 31, [Ubuntu 20.04](initramfs-tools/), [NixOS](https://nixos.org/nixos/manual/#sec-luks-file-systems-fido2) using a Solo Key, Trezor Model T, YubiKey(fw >= [5.2.3](https://support.yubico.com/hc/en-us/articles/360016649319-YubiKey-5-2-3-Enhancements-to-FIDO-2-Support))
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Note: This has only been tested under Fedora 31, [Ubuntu 20.04](initramfs-tools/), [NixOS](https://nixos.org/nixos/manual/#sec-luks-file-systems-fido2) using a Solo Key, Trezor Model T
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## Setup
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## Setup
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@@ -1,74 +0,0 @@
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#!/bin/bash
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set -ax
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exit_with() {
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echo "$1" >&2
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exit 1
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}
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validate() {
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[ ! -e /etc/fido2luks.conf ] && exit_with "/etc/fido2luks.conf does not exist! Please configure first"
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. /etc/fido2luks.conf
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[ ! -e "$FIDO2LUKS_DEVICE" ] && exit_with "FIDO2LUKS_DEVICE='$FIDO2LUKS_DEVICE' does not exist!"
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[ -z "$FIDO2LUKS_CREDENTIAL_ID" ] && exit_with "FIDO2LUKS_CREDENTIAL_ID must be set!"
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[ -z "$FIDO2LUKS_MAPPER_NAME" ] && exit_with "FIDO2LUKS_MAPPER_NAME must be set!"
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}
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build() {
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local mod
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add_binary "cryptsetup"
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add_module "dm-crypt"
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add_module "dm-integrity"
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if [[ $CRYPTO_MODULES ]]; then
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for mod in $CRYPTO_MODULES; do
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add_module "$mod"
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done
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else
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add_all_modules "/crypto/"
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fi
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add_binary "dmsetup"
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add_file "/usr/lib/udev/rules.d/10-dm.rules"
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add_file "/usr/lib/udev/rules.d/13-dm-disk.rules"
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add_file "/usr/lib/udev/rules.d/95-dm-notify.rules"
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add_file "/usr/lib/initcpio/udev/11-dm-initramfs.rules" "/usr/lib/udev/rules.d/11-dm-initramfs.rules"
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add_systemd_unit "systemd-ask-password-console.path"
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add_systemd_unit "systemd-ask-password-console.service"
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# cryptsetup calls pthread_create(), which dlopen()s libgcc_s.so.1
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add_binary "/usr/lib/libgcc_s.so.1"
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# add mkswap for creating swap space on the fly (see 'swap' in crypttab(5))
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add_binary "mkswap"
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[[ -f /etc/crypttab.initramfs ]] && add_file "/etc/crypttab.initramfs" "/etc/crypttab"
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validate
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add_file "/etc/fido2luks.conf" "/etc/fido2luks.conf"
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add_binary "fido2luks"
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add_runscipt
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}
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run_hook() {
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modprobe -a -q dm-crypt
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. /etc/fido2luks.conf
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if [ -z "$FIDO2LUKS_PASSWORD_HELPER" ]; then
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export FIDO2LUKS_PASSWORD_HELPER="systemd-ask-password 'FIDO2 password salt for $FIDO2LUKS_DEVICE'"
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fi
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fido2luks open
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}
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help() {
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cat <<HELPEOF
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This hook allows for an encrypted root device with systemd initramfs.
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See the manpage of systemd-cryptsetup-generator(8) for available kernel
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command line options. Alternatively, if the file /etc/crypttab.initramfs
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exists, it will be added to the initramfs as /etc/crypttab. See the
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crypttab(5) manpage for more information on crypttab syntax.
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HELPEOF
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}
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# vim: set ft=sh ts=4 sw=4 et:
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@@ -1,14 +0,0 @@
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#!/bin/sh
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set -a
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. /etc/fido2luks.conf
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if [ -z "$FIDO2LUKS_PASSWORD_HELPER" ]; then
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MSG="FIDO2 password salt for $CRYPTTAB_NAME"
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export FIDO2LUKS_PASSWORD_HELPER="systemd-ask-password '$MSG'"
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fi
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if [ "$FIDO2LUKS_USE_TOKEN" -eq 1 ]; then
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export FIDO2LUKS_CREDENTIAL_ID="$FIDO2LUKS_CREDENTIAL_ID,$(fido2luks token list --csv $CRYPTTAB_SOURCE)"
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fi
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fido2luks print-secret --bin
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@@ -1,220 +0,0 @@
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#!/bin/bash
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#
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# This is a rather minimal example Argbash potential
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# Example taken from http://argbash.readthedocs.io/en/stable/example.html
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#
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# ARG_POSITIONAL_SINGLE([operation],[Operation to perform (mount|umount)],[])
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# ARG_OPTIONAL_SINGLE([credentials-type],[c],[Type of the credentials to use (external|embedded)])
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# ARG_OPTIONAL_SINGLE([device],[d],[Name of the device to create])
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# ARG_OPTIONAL_SINGLE([mount-point],[m],[Path of the mount point to use])
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# ARG_OPTIONAL_BOOLEAN([ask-pin],[a],[Ask for a pin],[off])
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# ARG_OPTIONAL_SINGLE([salt],[s],[Salt to use],[""])
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# ARG_HELP([Unlocks/Locks a LUKS volume and mount/unmount it in the given mount point.])
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# ARGBASH_GO()
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# needed because of Argbash --> m4_ignore([
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### START OF CODE GENERATED BY Argbash v2.9.0 one line above ###
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||||||
# Argbash is a bash code generator used to get arguments parsing right.
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# Argbash is FREE SOFTWARE, see https://argbash.io for more info
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||||||
# Generated online by https://argbash.io/generate
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||||||
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||||||
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die()
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||||||
{
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local _ret="${2:-1}"
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test "${_PRINT_HELP:-no}" = yes && print_help >&2
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echo "$1" >&2
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exit "${_ret}"
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||||||
}
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||||||
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||||||
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begins_with_short_option()
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||||||
{
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local first_option all_short_options='cdmash'
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first_option="${1:0:1}"
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test "$all_short_options" = "${all_short_options/$first_option/}" && return 1 || return 0
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}
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||||||
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||||||
# THE DEFAULTS INITIALIZATION - POSITIONALS
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_positionals=()
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# THE DEFAULTS INITIALIZATION - OPTIONALS
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_arg_credentials_type=
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_arg_device=
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_arg_mount_point=
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_arg_ask_pin="off"
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_arg_salt=""
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||||||
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||||||
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||||||
print_help()
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||||||
{
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||||||
printf '%s\n' "Unlocks/Locks a LUKS volume and mount/unmount it in the given mount point."
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||||||
printf 'Usage: %s [-c|--credentials-type <arg>] [-d|--device <arg>] [-m|--mount-point <arg>] [-a|--(no-)ask-pin] [-s|--salt <arg>] [-h|--help] <operation>\n' "$0"
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||||||
printf '\t%s\n' "<operation>: Operation to perform (mount|umount)"
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||||||
printf '\t%s\n' "-c, --credentials-type: Type of the credentials to use (external|embedded) (no default)"
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||||||
printf '\t%s\n' "-d, --device: Name of the device to create (no default)"
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||||||
printf '\t%s\n' "-m, --mount-point: Path of the mount point to use (no default)"
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||||||
printf '\t%s\n' "-a, --ask-pin, --no-ask-pin: Ask for a pin (off by default)"
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||||||
printf '\t%s\n' "-s, --salt: Salt to use (default: '""')"
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||||||
printf '\t%s\n' "-h, --help: Prints help"
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||||||
}
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||||||
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||||||
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|
||||||
parse_commandline()
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|
||||||
{
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||||||
_positionals_count=0
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||||||
while test $# -gt 0
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|
||||||
do
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||||||
_key="$1"
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|
||||||
case "$_key" in
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|
||||||
-c|--credentials-type)
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|
||||||
test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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|
||||||
_arg_credentials_type="$2"
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||||||
shift
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|
||||||
;;
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|
||||||
--credentials-type=*)
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|
||||||
_arg_credentials_type="${_key##--credentials-type=}"
|
|
||||||
;;
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|
||||||
-c*)
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|
||||||
_arg_credentials_type="${_key##-c}"
|
|
||||||
;;
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|
||||||
-d|--device)
|
|
||||||
test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
|
|
||||||
_arg_device="$2"
|
|
||||||
shift
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|
||||||
;;
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|
||||||
--device=*)
|
|
||||||
_arg_device="${_key##--device=}"
|
|
||||||
;;
|
|
||||||
-d*)
|
|
||||||
_arg_device="${_key##-d}"
|
|
||||||
;;
|
|
||||||
-m|--mount-point)
|
|
||||||
test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
|
|
||||||
_arg_mount_point="$2"
|
|
||||||
shift
|
|
||||||
;;
|
|
||||||
--mount-point=*)
|
|
||||||
_arg_mount_point="${_key##--mount-point=}"
|
|
||||||
;;
|
|
||||||
-m*)
|
|
||||||
_arg_mount_point="${_key##-m}"
|
|
||||||
;;
|
|
||||||
-a|--no-ask-pin|--ask-pin)
|
|
||||||
_arg_ask_pin="on"
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|
||||||
test "${1:0:5}" = "--no-" && _arg_ask_pin="off"
|
|
||||||
;;
|
|
||||||
-a*)
|
|
||||||
_arg_ask_pin="on"
|
|
||||||
_next="${_key##-a}"
|
|
||||||
if test -n "$_next" -a "$_next" != "$_key"
|
|
||||||
then
|
|
||||||
{ begins_with_short_option "$_next" && shift && set -- "-a" "-${_next}" "$@"; } || die "The short option '$_key' can't be decomposed to ${_key:0:2} and -${_key:2}, because ${_key:0:2} doesn't accept value and '-${_key:2:1}' doesn't correspond to a short option."
|
|
||||||
fi
|
|
||||||
;;
|
|
||||||
-s|--salt)
|
|
||||||
test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
|
|
||||||
_arg_salt="$2"
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|
||||||
shift
|
|
||||||
;;
|
|
||||||
--salt=*)
|
|
||||||
_arg_salt="${_key##--salt=}"
|
|
||||||
;;
|
|
||||||
-s*)
|
|
||||||
_arg_salt="${_key##-s}"
|
|
||||||
;;
|
|
||||||
-h|--help)
|
|
||||||
print_help
|
|
||||||
exit 0
|
|
||||||
;;
|
|
||||||
-h*)
|
|
||||||
print_help
|
|
||||||
exit 0
|
|
||||||
;;
|
|
||||||
*)
|
|
||||||
_last_positional="$1"
|
|
||||||
_positionals+=("$_last_positional")
|
|
||||||
_positionals_count=$((_positionals_count + 1))
|
|
||||||
;;
|
|
||||||
esac
|
|
||||||
shift
|
|
||||||
done
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
handle_passed_args_count()
|
|
||||||
{
|
|
||||||
local _required_args_string="'operation'"
|
|
||||||
test "${_positionals_count}" -ge 1 || _PRINT_HELP=yes die "FATAL ERROR: Not enough positional arguments - we require exactly 1 (namely: $_required_args_string), but got only ${_positionals_count}." 1
|
|
||||||
test "${_positionals_count}" -le 1 || _PRINT_HELP=yes die "FATAL ERROR: There were spurious positional arguments --- we expect exactly 1 (namely: $_required_args_string), but got ${_positionals_count} (the last one was: '${_last_positional}')." 1
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
assign_positional_args()
|
|
||||||
{
|
|
||||||
local _positional_name _shift_for=$1
|
|
||||||
_positional_names="_arg_operation "
|
|
||||||
|
|
||||||
shift "$_shift_for"
|
|
||||||
for _positional_name in ${_positional_names}
|
|
||||||
do
|
|
||||||
test $# -gt 0 || break
|
|
||||||
eval "$_positional_name=\${1}" || die "Error during argument parsing, possibly an Argbash bug." 1
|
|
||||||
shift
|
|
||||||
done
|
|
||||||
}
|
|
||||||
|
|
||||||
parse_commandline "$@"
|
|
||||||
handle_passed_args_count
|
|
||||||
assign_positional_args 1 "${_positionals[@]}"
|
|
||||||
|
|
||||||
# OTHER STUFF GENERATED BY Argbash
|
|
||||||
|
|
||||||
### END OF CODE GENERATED BY Argbash (sortof) ### ])
|
|
||||||
# [ <-- needed because of Argbash
|
|
||||||
|
|
||||||
if [ -z ${_arg_mount_point} ]; then
|
|
||||||
die "Missing '--mount-point' argument"
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [ -z ${_arg_device} ]; then
|
|
||||||
die "Missing '--device' argument"
|
|
||||||
fi
|
|
||||||
|
|
||||||
ASK_PIN=${_arg_ask_pin}
|
|
||||||
OPERATION=${_arg_operation}
|
|
||||||
DEVICE=${_arg_device}
|
|
||||||
DEVICE_NAME=$(sed "s|/|_|g" <<< ${DEVICE})
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|
||||||
MOUNT_POINT=${_arg_mount_point}
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|
||||||
CREDENTIALS_TYPE=${_arg_credentials_type}
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|
||||||
SALT=${_arg_salt}
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|
||||||
CONF_FILE_PATH="/etc/fido2luksmounthelper.conf"
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|
||||||
|
|
||||||
if [ "${OPERATION}" == "mount" ]; then
|
|
||||||
if [ "${CREDENTIALS_TYPE}" == "external" ]; then
|
|
||||||
if [ -f ${CONF_FILE_PATH} ]; then
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|
||||||
if [ "${ASK_PIN}" == "on" ]; then
|
|
||||||
read PASSWORD
|
|
||||||
fi
|
|
||||||
CREDENTIALS=$(<${CONF_FILE_PATH})
|
|
||||||
else
|
|
||||||
die "The configuration file '${CONF_FILE_PATH}' is missing. Please create it or use embedded credentials."
|
|
||||||
fi
|
|
||||||
printf ${PASSWORD} | fido2luks open --salt string:${SALT} --pin --pin-source /dev/stdin ${DEVICE} ${DEVICE_NAME} ${CREDENTIALS}
|
|
||||||
elif [ "${CREDENTIALS_TYPE}" == "embedded" ]; then
|
|
||||||
if [ "${ASK_PIN}" == "on" ]; then
|
|
||||||
read PASSWORD
|
|
||||||
fi
|
|
||||||
printf ${PASSWORD} | fido2luks open-token --salt string:${SALT} --pin --pin-source /dev/stdin ${DEVICE} ${DEVICE_NAME}
|
|
||||||
else
|
|
||||||
die "Given credential-type '${CREDENTIALS_TYPE}' is invalid. It must be 'external' or 'embedded'"
|
|
||||||
fi
|
|
||||||
mount /dev/mapper/${DEVICE_NAME} ${MOUNT_POINT}
|
|
||||||
elif [ "${OPERATION}" == "umount" ]; then
|
|
||||||
umount ${MOUNT_POINT}
|
|
||||||
cryptsetup luksClose ${DEVICE_NAME}
|
|
||||||
else
|
|
||||||
die "Given operation '${OPERATION}' is invalid. It must be 'mount' or 'unmount'"
|
|
||||||
fi
|
|
||||||
|
|
||||||
exit 0
|
|
||||||
|
|
||||||
# ] <-- needed because of Argbash
|
|
Reference in New Issue
Block a user