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shimun 2021-03-01 20:03:06 +01:00
commit 534d36bb13
Signed by: shimun
GPG Key ID: E81D8382DC2F971B
8 changed files with 548 additions and 110 deletions
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.gitignore vendored
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@ -6,3 +6,5 @@ fido2luks.bash
fido2luks.elv fido2luks.elv
fido2luks.fish fido2luks.fish
fido2luks.zsh fido2luks.zsh
result
result-*

251
Cargo.lock generated
View File

@ -2,24 +2,24 @@
# It is not intended for manual editing. # It is not intended for manual editing.
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "92d5161132722baa40d802cc70b15262b98258453e85e5d1d365c757c73869ae"
[[package]] [[package]]
name = "serde_derive" name = "serde_derive"
version = "1.0.116" version = "1.0.123"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f630a6370fd8e457873b4bd2ffdae75408bc291ba72be773772a4c2a065d9ae8" checksum = "9391c295d64fc0abb2c556bad848f33cb8296276b1ad2677d1ae1ace4f258f31"
dependencies = [ dependencies = [
"proc-macro2 1.0.24", "proc-macro2 1.0.24",
"quote 1.0.7", "quote 1.0.9",
"syn 1.0.44", "syn 1.0.60",
] ]
[[package]] [[package]]
name = "serde_json" name = "serde_json"
version = "1.0.59" version = "1.0.64"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dcac07dbffa1c65e7f816ab9eba78eb142c6d44410f4eeba1e26e4f5dfa56b95" checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
dependencies = [ dependencies = [
"itoa", "itoa",
"ryu", "ryu",
@ -1001,9 +1045,9 @@ checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
[[package]] [[package]]
name = "structopt" name = "structopt"
version = "0.3.20" version = "0.3.21"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "126d630294ec449fae0b16f964e35bf3c74f940da9dca17ee9b905f7b3112eb8" checksum = "5277acd7ee46e63e5168a80734c9f6ee81b1367a7d8772a2d765df2a3705d28c"
dependencies = [ dependencies = [
"clap", "clap",
"lazy_static", "lazy_static",
@ -1012,15 +1056,15 @@ dependencies = [
[[package]] [[package]]
name = "structopt-derive" name = "structopt-derive"
version = "0.4.13" version = "0.4.14"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "65e51c492f9e23a220534971ff5afc14037289de430e3c83f9daf6a1b6ae91e8" checksum = "5ba9cdfda491b814720b6b06e0cac513d922fc407582032e8706e9f137976f90"
dependencies = [ dependencies = [
"heck", "heck",
"proc-macro-error", "proc-macro-error",
"proc-macro2 1.0.24", "proc-macro2 1.0.24",
"quote 1.0.7", "quote 1.0.9",
"syn 1.0.44", "syn 1.0.60",
] ]
[[package]] [[package]]
@ -1036,12 +1080,12 @@ dependencies = [
[[package]] [[package]]
name = "syn" name = "syn"
version = "1.0.44" version = "1.0.60"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e03e57e4fcbfe7749842d53e24ccb9aa12b7252dbe5e91d2acad31834c8b8fdd" checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
dependencies = [ dependencies = [
"proc-macro2 1.0.24", "proc-macro2 1.0.24",
"quote 1.0.7", "quote 1.0.9",
"unicode-xid 0.2.1", "unicode-xid 0.2.1",
] ]
@ -1052,16 +1096,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701" checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
dependencies = [ dependencies = [
"proc-macro2 1.0.24", "proc-macro2 1.0.24",
"quote 1.0.7", "quote 1.0.9",
"syn 1.0.44", "syn 1.0.60",
"unicode-xid 0.2.1", "unicode-xid 0.2.1",
] ]
[[package]] [[package]]
name = "termcolor" name = "termcolor"
version = "1.1.0" version = "1.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bb6bfa289a4d7c5766392812c0a1f4c1ba45afa1ad47803c11e1f407d846d75f" checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
dependencies = [ dependencies = [
"winapi-util", "winapi-util",
] ]
@ -1077,29 +1121,34 @@ dependencies = [
[[package]] [[package]]
name = "thread_local" name = "thread_local"
version = "1.0.1" version = "1.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14" checksum = "8018d24e04c95ac8790716a5987d0fec4f8b27249ffa0f7d33f1369bdfb88cbd"
dependencies = [ dependencies = [
"lazy_static", "once_cell",
] ]
[[package]] [[package]]
name = "time" name = "time"
version = "0.1.44" version = "0.1.43"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255" checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
dependencies = [ dependencies = [
"libc", "libc",
"wasi",
"winapi", "winapi",
] ]
[[package]] [[package]]
name = "unicode-segmentation" name = "ucd-trie"
version = "1.6.0" version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0" checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
[[package]]
name = "unicode-segmentation"
version = "1.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
[[package]] [[package]]
name = "unicode-width" name = "unicode-width"
@ -1127,11 +1176,11 @@ checksum = "55cd1f4b4e96b46aeb8d4855db4a7a9bd96eeeb5c6a1ab54593328761642ce2f"
[[package]] [[package]]
name = "uuid" name = "uuid"
version = "0.7.4" version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "90dbc611eb48397705a6b0f6e917da23ae517e4d127123d2cf7674206627d32a" checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
dependencies = [ dependencies = [
"rand 0.6.5", "getrandom",
] ]
[[package]] [[package]]
@ -1148,9 +1197,9 @@ checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
[[package]] [[package]]
name = "wasi" name = "wasi"
version = "0.10.0+wasi-snapshot-preview1" version = "0.10.2+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f" checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
[[package]] [[package]]
name = "which" name = "which"

1
PKGBUILD
View File

@ -21,5 +21,6 @@ build() {
package() { package() {
install -Dm 755 target/release/${pkgname} -t "${pkgdir}/usr/bin" install -Dm 755 target/release/${pkgname} -t "${pkgdir}/usr/bin"
install -Dm 755 ../pam_mount/fido2luksmounthelper.sh -t "${pkgdir}/usr/bin"
install -Dm 644 ../fido2luks.bash "${pkgdir}/usr/share/bash-completion/completions/fido2luks" install -Dm 644 ../fido2luks.bash "${pkgdir}/usr/share/bash-completion/completions/fido2luks"
} }

32
README.md
View File

@ -2,7 +2,7 @@
This will allow you to unlock your LUKS encrypted disk with an FIDO2 compatible key. This will allow you to unlock your LUKS encrypted disk with an FIDO2 compatible key.
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 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))
## Setup ## Setup
@ -115,6 +115,36 @@ sudo -E fido2luks -i replace-key /dev/disk/by-uuid/<DISK_UUID>
sudo rm -rf /usr/lib/dracut/modules.d/96luks-2fa /etc/dracut.conf.d/luks-2fa.conf /etc/fido2luks.conf sudo rm -rf /usr/lib/dracut/modules.d/96luks-2fa /etc/dracut.conf.d/luks-2fa.conf /etc/fido2luks.conf
``` ```
## Theory of operation
fido2luks builds on two basic building blocks, LUKS as an abstraction over linux disk encryption and and the FIDO2 extension [`hmac-secret`](https://fidoalliance.org/specs/fido-v2.0-rd-20180702/fido-client-to-authenticator-protocol-v2.0-rd-20180702.html#sctn-hmac-secret-extension).
The `hmac-secret` extension allows for an secret to be dervied on the FIDO2 device from two inputs, the user supplied salt/password/keyfile and another secret contained within the FID2 device. The output of the `hmac-secret` function will then be used to decrypt the LUKS header which in turn is used to decrypt the disk.
```
+-------------------------------------------------------------------------------+
| |
| +-----------------------------------------+ |
| | FIDO2 device | |
| | | |
| | | |
+-------+--------+ +------+ | +---------------+ | | +------------------------+
| Salt/Password +-> |sha256+------------------------> | | | v | LUKS header |
+----------------+ +------+ | | | | | | +---------------+
| | | | +--------+ +------------------------+--------> |Disk master key|
| | sha256_hmac +---------> | sha256 +-------> | Keyslot 1 | +---------------+
+----------------+ | +----------+ | | | +--------+ +------------------------+
| FIDO credential+---------------> |Credential| +----> | | | | Keyslot 2 |
+----------------+ | |secret | | | | +------------------------+
| +----------+ +---------------+ |
| |
| |
+-----------------------------------------+
```
Since all these components build upon each other losing or damaging just one of them will render the disk undecryptable, it's threfore of paramount importance to backup the LUKS header and ideally set an backup password
or utilise more than one FIDO2 device. Each additional credential and password combination will require it's own LUKS keyslot since the credential secret is randomly generated for each new credential and will thus result
in a completly different secret.
## License ## License
Licensed under Licensed under

62
flake.lock generated Normal file
View File

@ -0,0 +1,62 @@
{
"nodes": {
"naersk": {
"inputs": {
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1612192764,
"narHash": "sha256-7EnLtZQWP6511G1ZPA7FmJlqAr3hWsAYb24tvTvJ/ec=",
"owner": "nmattia",
"repo": "naersk",
"rev": "6e149bfd726a8ebefa415f2d713ba6d942435abd",
"type": "github"
},
"original": {
"owner": "nmattia",
"repo": "naersk",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1613208951,
"narHash": "sha256-pxDu+9KZBnZkMcKBqSAqw1oQwTIbxTeIwcMtygLsWio=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "2118cf551b9944cfdb929b8ea03556f097dd0381",
"type": "github"
},
"original": {
"id": "nixpkgs",
"type": "indirect"
}
},
"root": {
"inputs": {
"naersk": "naersk",
"nixpkgs": "nixpkgs",
"utils": "utils"
}
},
"utils": {
"locked": {
"lastModified": 1610051610,
"narHash": "sha256-U9rPz/usA1/Aohhk7Cmc2gBrEEKRzcW4nwPWMPwja4Y=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "3982c9903e93927c2164caa727cd3f6a0e6d14cc",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

61
flake.nix Normal file
View File

@ -0,0 +1,61 @@
{
description = "Decrypt your LUKS partition using a FIDO2 compatible authenticator";
inputs = {
utils.url = "github:numtide/flake-utils";
naersk = {
url = "github:nmattia/naersk";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = { self, nixpkgs, utils, naersk }:
let
root = ./.;
pname = (builtins.fromTOML (builtins.readFile ./Cargo.toml)).package.name;
forPkgs = pkgs:
let
naersk-lib = naersk.lib."${pkgs.system}";
buildInputs = with pkgs; [ cryptsetup ];
LIBCLANG_PATH = "${pkgs.clang.cc.lib}/lib";
nativeBuildInputs = with pkgs; [
pkgconfig
clang
];
in
rec {
# `nix build`
packages.${pname} = naersk-lib.buildPackage {
inherit pname root buildInputs nativeBuildInputs LIBCLANG_PATH;
};
defaultPackage = packages.${pname};
# `nix run`
apps.${pname} = utils.lib.mkApp {
drv = packages.${pname};
};
defaultApp = apps.${pname};
# `nix flake check`
checks = {
fmt = with pkgs; runCommandLocal "${pname}-fmt" { buildInputs = [ cargo rustfmt nixpkgs-fmt ]; } ''
cd ${root}
cargo fmt -- --check
nixpkgs-fmt --check *.nix
touch $out
'';
};
# `nix develop`
devShell = pkgs.mkShell {
nativeBuildInputs = with pkgs; [ rustc cargo rustfmt nixpkgs-fmt ] ++ nativeBuildInputs;
inherit buildInputs LIBCLANG_PATH;
};
};
forSystem = system: forPkgs nixpkgs.legacyPackages."${system}";
in
(utils.lib.eachSystem [ "aarch64-linux" "i686-linux" "x86_64-linux" ] forSystem) // {
overlay = final: prev: (forPkgs final).packages;
};
}

220
pam_mount/fido2luksmounthelper.sh Executable file
View File

@ -0,0 +1,220 @@
#!/bin/bash
#
# This is a rather minimal example Argbash potential
# Example taken from http://argbash.readthedocs.io/en/stable/example.html
#
# ARG_POSITIONAL_SINGLE([operation],[Operation to perform (mount|umount)],[])
# ARG_OPTIONAL_SINGLE([credentials-type],[c],[Type of the credentials to use (external|embedded)])
# ARG_OPTIONAL_SINGLE([device],[d],[Name of the device to create])
# ARG_OPTIONAL_SINGLE([mount-point],[m],[Path of the mount point to use])
# ARG_OPTIONAL_BOOLEAN([ask-pin],[a],[Ask for a pin],[off])
# ARG_OPTIONAL_SINGLE([salt],[s],[Salt to use],[""])
# ARG_HELP([Unlocks/Locks a LUKS volume and mount/unmount it in the given mount point.])
# ARGBASH_GO()
# needed because of Argbash --> m4_ignore([
### START OF CODE GENERATED BY Argbash v2.9.0 one line above ###
# Argbash is a bash code generator used to get arguments parsing right.
# Argbash is FREE SOFTWARE, see https://argbash.io for more info
# Generated online by https://argbash.io/generate
die()
{
local _ret="${2:-1}"
test "${_PRINT_HELP:-no}" = yes && print_help >&2
echo "$1" >&2
exit "${_ret}"
}
begins_with_short_option()
{
local first_option all_short_options='cdmash'
first_option="${1:0:1}"
test "$all_short_options" = "${all_short_options/$first_option/}" && return 1 || return 0
}
# THE DEFAULTS INITIALIZATION - POSITIONALS
_positionals=()
# THE DEFAULTS INITIALIZATION - OPTIONALS
_arg_credentials_type=
_arg_device=
_arg_mount_point=
_arg_ask_pin="off"
_arg_salt=""
print_help()
{
printf '%s\n' "Unlocks/Locks a LUKS volume and mount/unmount it in the given mount point."
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"
printf '\t%s\n' "<operation>: Operation to perform (mount|umount)"
printf '\t%s\n' "-c, --credentials-type: Type of the credentials to use (external|embedded) (no default)"
printf '\t%s\n' "-d, --device: Name of the device to create (no default)"
printf '\t%s\n' "-m, --mount-point: Path of the mount point to use (no default)"
printf '\t%s\n' "-a, --ask-pin, --no-ask-pin: Ask for a pin (off by default)"
printf '\t%s\n' "-s, --salt: Salt to use (default: '""')"
printf '\t%s\n' "-h, --help: Prints help"
}
parse_commandline()
{
_positionals_count=0
while test $# -gt 0
do
_key="$1"
case "$_key" in
-c|--credentials-type)
test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
_arg_credentials_type="$2"
shift
;;
--credentials-type=*)
_arg_credentials_type="${_key##--credentials-type=}"
;;
-c*)
_arg_credentials_type="${_key##-c}"
;;
-d|--device)
test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
_arg_device="$2"
shift
;;
--device=*)
_arg_device="${_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="${_key##-m}"
;;
-a|--no-ask-pin|--ask-pin)
_arg_ask_pin="on"
test "${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="$2"
shift
;;
--salt=*)
_arg_salt="${_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" <<< ${DEVICE})
MOUNT_POINT=${_arg_mount_point}
CREDENTIALS_TYPE=${_arg_credentials_type}
SALT=${_arg_salt}
CONF_FILE_PATH="/etc/fido2luksmounthelper.conf"
if [ "${OPERATION}" == "mount" ]; then
if [ "${CREDENTIALS_TYPE}" == "external" ]; then
if [ -f ${CONF_FILE_PATH} ]; then
if [ "${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

27
src/cli.rs
View File

@ -155,6 +155,12 @@ pub fn parse_cmdline() -> Args {
Args::from_args() Args::from_args()
} }
pub fn prompt_interaction(interactive: bool) {
if interactive {
println!("Authorize using your FIDO device");
}
}
pub fn run_cli() -> Fido2LuksResult<()> { pub fn run_cli() -> Fido2LuksResult<()> {
let mut stdout = io::stdout(); let mut stdout = io::stdout();
let args = parse_cmdline(); let args = parse_cmdline();
@ -163,6 +169,7 @@ pub fn run_cli() -> Fido2LuksResult<()> {
eprintln!("{}", &*message()); eprintln!("{}", &*message());
} }
}; };
let interactive = args.interactive;
match &args.command { match &args.command {
Command::Credential { Command::Credential {
authenticator, authenticator,
@ -214,8 +221,9 @@ pub fn run_cli() -> Fido2LuksResult<()> {
.join(", ") .join(", ")
) )
}); });
prompt_interaction(interactive);
let (secret, cred) = derive_secret( let (secret, cred) = derive_secret(
credentials.as_slice(), &credentials,
&salt, &salt,
authenticator.await_time, authenticator.await_time,
pin.as_deref(), pin.as_deref(),
@ -291,6 +299,7 @@ pub fn run_cli() -> Fido2LuksResult<()> {
fido_device: true, .. fido_device: true, ..
} => { } => {
let (pin, salt) = inputs(salt_q, verify)?; let (pin, salt) = inputs(salt_q, verify)?;
prompt_interaction(interactive);
Ok(derive_secret( Ok(derive_secret(
&credentials, &credentials,
&salt, &salt,
@ -305,10 +314,12 @@ pub fn run_cli() -> Fido2LuksResult<()> {
)), )),
} }
}; };
let secret = |verify: bool, let secret = |q: &str,
verify: bool,
credentials: &[HexEncoded]| credentials: &[HexEncoded]|
-> Fido2LuksResult<([u8; 32], FidoCredential)> { -> Fido2LuksResult<([u8; 32], FidoCredential)> {
let (pin, salt) = inputs("Password", verify)?; let (pin, salt) = inputs(q, verify)?;
prompt_interaction(interactive);
derive_secret(credentials, &salt, authenticator.await_time, pin.as_deref()) derive_secret(credentials, &salt, authenticator.await_time, pin.as_deref())
}; };
// Non overlap // Non overlap
@ -338,9 +349,9 @@ pub fn run_cli() -> Fido2LuksResult<()> {
) )
}); });
let creds = vec![HexEncoded(cred.id)]; let creds = vec![HexEncoded(cred.id)];
secret(true, &creds) secret("Password to be added", true, &creds)
} else { } else {
secret(true, &credentials) secret("Password to be added", true, &credentials)
}?; }?;
log(&|| format!("credential used: {}", hex::encode(&cred.id))); log(&|| format!("credential used: {}", hex::encode(&cred.id)));
let added_slot = luks_dev.add_key( let added_slot = luks_dev.add_key(
@ -373,7 +384,8 @@ pub fn run_cli() -> Fido2LuksResult<()> {
remove_cred, remove_cred,
.. ..
} => { } => {
let (existing_secret, _prev_cred) = secret(false, &credentials)?; let (existing_secret, _prev_cred) =
secret("Current password", false, &credentials)?;
let (replacement_secret, cred) = other_secret("Replacement password", true)?; let (replacement_secret, cred) = other_secret("Replacement password", true)?;
let slot = if *add_password { let slot = if *add_password {
luks_dev.add_key( luks_dev.add_key(
@ -429,6 +441,7 @@ pub fn run_cli() -> Fido2LuksResult<()> {
// Cow shouldn't be necessary // Cow shouldn't be necessary
let secret = |credentials: Cow<'_, Vec<HexEncoded>>| { let secret = |credentials: Cow<'_, Vec<HexEncoded>>| {
let (pin, salt) = inputs("Password", false)?; let (pin, salt) = inputs("Password", false)?;
prompt_interaction(interactive);
derive_secret( derive_secret(
credentials.as_ref(), credentials.as_ref(),
&salt, &salt,
@ -489,7 +502,7 @@ pub fn run_cli() -> Fido2LuksResult<()> {
if cause.kind() == FidoErrorKind::Timeout && retries > 0 => {} if cause.kind() == FidoErrorKind::Timeout && retries > 0 => {}
e => return Err(e), e => return Err(e),
} };
retries -= 1; retries -= 1;
eprintln!("{}", e); eprintln!("{}", e);
} }