move cli structures into separate mod
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03ef5721e0
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GPG Key ID:
E81D8382DC2F971B
318
src/cli.rs
318
src/cli.rs
@ -1,152 +1,35 @@
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use crate::cli_args::*;
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use crate::error::*;
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use crate::luks::{Fido2LuksToken, LuksDevice};
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use crate::util::sha256;
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use crate::*;
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use structopt::clap::{AppSettings, Shell};
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use structopt::clap::Shell;
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use structopt::StructOpt;
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use ctap::{FidoCredential, FidoErrorKind};
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use failure::_core::fmt::{Display, Error, Formatter};
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use failure::_core::str::FromStr;
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use failure::_core::time::Duration;
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use std::io::{Read, Write};
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use std::process::exit;
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use std::thread;
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use crate::luks::{Fido2LuksToken, LuksDevice};
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use crate::util::sha256;
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use std::borrow::Cow;
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use std::collections::HashSet;
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use std::fs::File;
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use std::time::SystemTime;
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#[derive(Debug, Eq, PartialEq, Clone)]
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pub struct HexEncoded(pub Vec<u8>);
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impl Display for HexEncoded {
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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error> {
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f.write_str(&hex::encode(&self.0))
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fn read_pin(ap: &AuthenticatorParameters) -> Fido2LuksResult<String> {
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if let Some(src) = ap.pin_source.as_ref() {
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let mut pin = String::new();
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File::open(src)?.read_to_string(&mut pin)?;
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Ok(pin)
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} else {
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util::read_password("Authenticator PIN", false)
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}
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}
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impl AsRef<[u8]> for HexEncoded {
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fn as_ref(&self) -> &[u8] {
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&self.0[..]
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}
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}
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impl FromStr for HexEncoded {
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type Err = hex::FromHexError;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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Ok(HexEncoded(hex::decode(s)?))
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}
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}
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#[derive(Debug, Eq, PartialEq, Clone)]
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pub struct CommaSeparated<T: FromStr + Display>(pub Vec<T>);
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impl<T: Display + FromStr> Display for CommaSeparated<T> {
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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error> {
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for i in &self.0 {
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f.write_str(&i.to_string())?;
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f.write_str(",")?;
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}
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Ok(())
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}
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}
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impl<T: Display + FromStr> FromStr for CommaSeparated<T> {
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type Err = <T as FromStr>::Err;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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Ok(CommaSeparated(
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s.split(',')
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.map(|part| <T as FromStr>::from_str(part))
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.collect::<Result<Vec<_>, _>>()?,
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))
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}
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}
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#[derive(Debug, StructOpt)]
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pub struct Credentials {
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/// FIDO credential ids, separated by ',' generate using fido2luks credential
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#[structopt(name = "credential-id", env = "FIDO2LUKS_CREDENTIAL_ID")]
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pub ids: CommaSeparated<HexEncoded>,
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}
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#[derive(Debug, StructOpt)]
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pub struct AuthenticatorParameters {
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/// Request a PIN to unlock the authenticator
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#[structopt(short = "P", long = "pin")]
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pub pin: bool,
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/// Location to read PIN from
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#[structopt(long = "pin-source", env = "FIDO2LUKS_PIN_SOURCE")]
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pub pin_source: Option<PathBuf>,
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/// Await for an authenticator to be connected, timeout after n seconds
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#[structopt(
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long = "await-dev",
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name = "await-dev",
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env = "FIDO2LUKS_DEVICE_AWAIT",
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default_value = "15"
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)]
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pub await_time: u64,
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}
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impl AuthenticatorParameters {
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fn read_pin(&self) -> Fido2LuksResult<String> {
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if let Some(src) = self.pin_source.as_ref() {
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let mut pin = String::new();
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File::open(src)?.read_to_string(&mut pin)?;
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Ok(pin)
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} else {
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util::read_password("Authenticator PIN", false)
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}
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}
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}
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#[derive(Debug, StructOpt)]
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pub struct LuksParameters {
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#[structopt(env = "FIDO2LUKS_DEVICE")]
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device: PathBuf,
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/// Try to unlock the device using a specifc keyslot, ignore all other slots
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#[structopt(long = "slot", env = "FIDO2LUKS_DEVICE_SLOT")]
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slot: Option<u32>,
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}
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#[derive(Debug, StructOpt, Clone)]
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pub struct LuksModParameters {
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/// Number of milliseconds required to derive the volume decryption key
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/// Defaults to 10ms when using an authenticator or the default by cryptsetup when using a password
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#[structopt(long = "kdf-time", name = "kdf-time")]
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kdf_time: Option<u64>,
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}
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#[derive(Debug, StructOpt)]
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pub struct SecretParameters {
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/// Salt for secret generation, defaults to 'ask'
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///
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/// Options:{n}
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/// - ask : Prompt user using password helper{n}
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/// - file:<PATH> : Will read <FILE>{n}
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/// - string:<STRING> : Will use <STRING>, which will be handled like a password provided to the 'ask' option{n}
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#[structopt(
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name = "salt",
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long = "salt",
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env = "FIDO2LUKS_SALT",
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default_value = "ask"
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)]
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pub salt: InputSalt,
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/// Script used to obtain passwords, overridden by --interactive flag
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#[structopt(
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name = "password-helper",
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env = "FIDO2LUKS_PASSWORD_HELPER",
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default_value = "/usr/bin/env systemd-ask-password 'Please enter second factor for LUKS disk encryption!'"
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)]
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pub password_helper: PasswordHelper,
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}
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fn derive_secret(
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credentials: &[HexEncoded],
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salt: &[u8; 32],
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@ -183,175 +66,6 @@ fn derive_secret(
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Ok((sha256(&[salt, &unsalted[..]]), cred.clone()))
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}
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#[derive(Debug, StructOpt)]
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pub struct Args {
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/// Request passwords via Stdin instead of using the password helper
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#[structopt(short = "i", long = "interactive")]
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pub interactive: bool,
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#[structopt(subcommand)]
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pub command: Command,
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}
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#[derive(Debug, StructOpt, Clone)]
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pub struct OtherSecret {
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/// Use a keyfile instead of a password
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#[structopt(short = "d", long = "keyfile", conflicts_with = "fido_device")]
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keyfile: Option<PathBuf>,
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/// Use another fido device instead of a password
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/// Note: this requires for the credential fot the other device to be passed as argument as well
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#[structopt(short = "f", long = "fido-device", conflicts_with = "keyfile")]
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fido_device: bool,
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}
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#[derive(Debug, StructOpt)]
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pub enum Command {
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#[structopt(name = "print-secret")]
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PrintSecret {
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/// Prints the secret as binary instead of hex encoded
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#[structopt(short = "b", long = "bin")]
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binary: bool,
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#[structopt(flatten)]
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credentials: Credentials,
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#[structopt(flatten)]
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authenticator: AuthenticatorParameters,
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#[structopt(flatten)]
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secret: SecretParameters,
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},
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/// Adds a generated key to the specified LUKS device
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#[structopt(name = "add-key")]
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AddKey {
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#[structopt(flatten)]
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luks: LuksParameters,
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#[structopt(flatten)]
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credentials: Credentials,
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#[structopt(flatten)]
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authenticator: AuthenticatorParameters,
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#[structopt(flatten)]
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secret: SecretParameters,
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/// Will wipe all other keys
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#[structopt(short = "e", long = "exclusive")]
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exclusive: bool,
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/// Will add an token to your LUKS 2 header, including the credential id
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#[structopt(short = "t", long = "token")]
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token: bool,
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#[structopt(flatten)]
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existing_secret: OtherSecret,
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#[structopt(flatten)]
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luks_mod: LuksModParameters,
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},
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/// Replace a previously added key with a password
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#[structopt(name = "replace-key")]
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ReplaceKey {
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#[structopt(flatten)]
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luks: LuksParameters,
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#[structopt(flatten)]
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credentials: Credentials,
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#[structopt(flatten)]
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authenticator: AuthenticatorParameters,
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#[structopt(flatten)]
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secret: SecretParameters,
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/// Add the password and keep the key
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#[structopt(short = "a", long = "add-password")]
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add_password: bool,
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/// Will add an token to your LUKS 2 header, including the credential id
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#[structopt(short = "t", long = "token")]
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token: bool,
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#[structopt(flatten)]
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replacement: OtherSecret,
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#[structopt(flatten)]
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luks_mod: LuksModParameters,
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},
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/// Open the LUKS device
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#[structopt(name = "open")]
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Open {
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#[structopt(flatten)]
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luks: LuksParameters,
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#[structopt(env = "FIDO2LUKS_MAPPER_NAME")]
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name: String,
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#[structopt(flatten)]
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credentials: Credentials,
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#[structopt(flatten)]
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authenticator: AuthenticatorParameters,
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#[structopt(flatten)]
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secret: SecretParameters,
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#[structopt(short = "r", long = "max-retries", default_value = "0")]
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retries: i32,
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},
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/// Open the LUKS device using credentials embedded in the LUKS 2 header
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#[structopt(name = "open-token")]
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OpenToken {
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#[structopt(flatten)]
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luks: LuksParameters,
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#[structopt(env = "FIDO2LUKS_MAPPER_NAME")]
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name: String,
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#[structopt(flatten)]
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authenticator: AuthenticatorParameters,
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#[structopt(flatten)]
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secret: SecretParameters,
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#[structopt(short = "r", long = "max-retries", default_value = "0")]
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retries: i32,
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},
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/// Generate a new FIDO credential
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#[structopt(name = "credential")]
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Credential {
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#[structopt(flatten)]
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authenticator: AuthenticatorParameters,
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/// Name to be displayed on the authenticator if it has a display
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#[structopt(env = "FIDO2LUKS_CREDENTIAL_NAME")]
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name: Option<String>,
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},
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/// Check if an authenticator is connected
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#[structopt(name = "connected")]
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Connected,
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Token(TokenCommand),
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/// Generate bash completion scripts
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#[structopt(name = "completions", setting = AppSettings::Hidden)]
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GenerateCompletions {
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/// Shell to generate completions for: bash, fish
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#[structopt(possible_values = &["bash", "fish"])]
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shell: String,
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out_dir: PathBuf,
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},
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}
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///LUKS2 token related operations
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#[derive(Debug, StructOpt)]
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pub enum TokenCommand {
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/// List all tokens associated with the specified device
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List {
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#[structopt(env = "FIDO2LUKS_DEVICE")]
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device: PathBuf,
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/// Dump all credentials as CSV
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#[structopt(long = "csv")]
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csv: bool,
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},
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/// Add credential to a keyslot
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Add {
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#[structopt(env = "FIDO2LUKS_DEVICE")]
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device: PathBuf,
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#[structopt(flatten)]
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credentials: Credentials,
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/// Slot to which the credentials will be added
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#[structopt(long = "slot", env = "FIDO2LUKS_DEVICE_SLOT")]
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slot: u32,
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},
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/// Remove credentials from token(s)
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Remove {
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#[structopt(env = "FIDO2LUKS_DEVICE")]
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device: PathBuf,
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#[structopt(flatten)]
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credentials: Credentials,
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/// Token from which the credentials will be removed
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#[structopt(long = "token")]
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token_id: Option<u32>,
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},
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/// Remove all unassigned tokens
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GC {
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#[structopt(env = "FIDO2LUKS_DEVICE")]
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device: PathBuf,
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},
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}
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pub fn parse_cmdline() -> Args {
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Args::from_args()
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}
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@ -367,7 +81,7 @@ pub fn run_cli() -> Fido2LuksResult<()> {
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} => {
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let pin_string;
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let pin = if authenticator.pin {
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pin_string = authenticator.read_pin()?;
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pin_string = read_pin(authenticator)?;
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Some(pin_string.as_ref())
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} else {
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None
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@ -384,7 +98,7 @@ pub fn run_cli() -> Fido2LuksResult<()> {
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} => {
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let pin_string;
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let pin = if authenticator.pin {
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pin_string = authenticator.read_pin()?;
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pin_string = read_pin(authenticator)?;
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Some(pin_string.as_ref())
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} else {
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None
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@ -428,7 +142,7 @@ pub fn run_cli() -> Fido2LuksResult<()> {
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..
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} => {
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let pin = if authenticator.pin {
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Some(authenticator.read_pin()?)
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Some(read_pin(authenticator)?)
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} else {
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None
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};
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@ -544,7 +258,7 @@ pub fn run_cli() -> Fido2LuksResult<()> {
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} => {
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let pin_string;
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let pin = if authenticator.pin {
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pin_string = authenticator.read_pin()?;
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pin_string = read_pin(authenticator)?;
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Some(pin_string.as_ref())
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} else {
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None
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291
src/cli_args.rs
Normal file
291
src/cli_args.rs
Normal file
@ -0,0 +1,291 @@
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use crate::*;
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use structopt::clap::AppSettings;
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use structopt::StructOpt;
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use failure::_core::fmt::{Display, Error, Formatter};
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use failure::_core::str::FromStr;
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#[derive(Debug, Eq, PartialEq, Clone)]
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pub struct HexEncoded(pub Vec<u8>);
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impl Display for HexEncoded {
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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error> {
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f.write_str(&hex::encode(&self.0))
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}
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}
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impl AsRef<[u8]> for HexEncoded {
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fn as_ref(&self) -> &[u8] {
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&self.0[..]
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}
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}
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impl FromStr for HexEncoded {
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type Err = hex::FromHexError;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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Ok(HexEncoded(hex::decode(s)?))
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}
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}
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#[derive(Debug, Eq, PartialEq, Clone)]
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pub struct CommaSeparated<T: FromStr + Display>(pub Vec<T>);
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impl<T: Display + FromStr> Display for CommaSeparated<T> {
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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error> {
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for i in &self.0 {
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f.write_str(&i.to_string())?;
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f.write_str(",")?;
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}
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Ok(())
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}
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}
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impl<T: Display + FromStr> FromStr for CommaSeparated<T> {
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type Err = <T as FromStr>::Err;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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Ok(CommaSeparated(
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s.split(',')
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.map(|part| <T as FromStr>::from_str(part))
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.collect::<Result<Vec<_>, _>>()?,
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))
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}
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}
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#[derive(Debug, StructOpt)]
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pub struct Credentials {
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/// FIDO credential ids, separated by ',' generate using fido2luks credential
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#[structopt(name = "credential-id", env = "FIDO2LUKS_CREDENTIAL_ID")]
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pub ids: CommaSeparated<HexEncoded>,
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}
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#[derive(Debug, StructOpt)]
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pub struct AuthenticatorParameters {
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/// Request a PIN to unlock the authenticator
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#[structopt(short = "P", long = "pin")]
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pub pin: bool,
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/// Location to read PIN from
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#[structopt(long = "pin-source", env = "FIDO2LUKS_PIN_SOURCE")]
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pub pin_source: Option<PathBuf>,
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/// Await for an authenticator to be connected, timeout after n seconds
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#[structopt(
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long = "await-dev",
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name = "await-dev",
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env = "FIDO2LUKS_DEVICE_AWAIT",
|
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default_value = "15"
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)]
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pub await_time: u64,
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}
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#[derive(Debug, StructOpt)]
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pub struct LuksParameters {
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#[structopt(env = "FIDO2LUKS_DEVICE")]
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pub device: PathBuf,
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/// Try to unlock the device using a specifc keyslot, ignore all other slots
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#[structopt(long = "slot", env = "FIDO2LUKS_DEVICE_SLOT")]
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pub slot: Option<u32>,
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}
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#[derive(Debug, StructOpt, Clone)]
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pub struct LuksModParameters {
|
||||
/// Number of milliseconds required to derive the volume decryption key
|
||||
/// Defaults to 10ms when using an authenticator or the default by cryptsetup when using a password
|
||||
#[structopt(long = "kdf-time", name = "kdf-time")]
|
||||
pub kdf_time: Option<u64>,
|
||||
}
|
||||
|
||||
#[derive(Debug, StructOpt)]
|
||||
pub struct SecretParameters {
|
||||
/// Salt for secret generation, defaults to 'ask'
|
||||
///
|
||||
/// Options:{n}
|
||||
/// - ask : Prompt user using password helper{n}
|
||||
/// - file:<PATH> : Will read <FILE>{n}
|
||||
/// - string:<STRING> : Will use <STRING>, which will be handled like a password provided to the 'ask' option{n}
|
||||
#[structopt(
|
||||
name = "salt",
|
||||
long = "salt",
|
||||
env = "FIDO2LUKS_SALT",
|
||||
default_value = "ask"
|
||||
)]
|
||||
pub salt: InputSalt,
|
||||
/// Script used to obtain passwords, overridden by --interactive flag
|
||||
#[structopt(
|
||||
name = "password-helper",
|
||||
env = "FIDO2LUKS_PASSWORD_HELPER",
|
||||
default_value = "/usr/bin/env systemd-ask-password 'Please enter second factor for LUKS disk encryption!'"
|
||||
)]
|
||||
pub password_helper: PasswordHelper,
|
||||
}
|
||||
#[derive(Debug, StructOpt)]
|
||||
pub struct Args {
|
||||
/// Request passwords via Stdin instead of using the password helper
|
||||
#[structopt(short = "i", long = "interactive")]
|
||||
pub interactive: bool,
|
||||
#[structopt(subcommand)]
|
||||
pub command: Command,
|
||||
}
|
||||
|
||||
#[derive(Debug, StructOpt, Clone)]
|
||||
pub struct OtherSecret {
|
||||
/// Use a keyfile instead of a password
|
||||
#[structopt(short = "d", long = "keyfile", conflicts_with = "fido_device")]
|
||||
pub keyfile: Option<PathBuf>,
|
||||
/// Use another fido device instead of a password
|
||||
/// Note: this requires for the credential fot the other device to be passed as argument as well
|
||||
#[structopt(short = "f", long = "fido-device", conflicts_with = "keyfile")]
|
||||
pub fido_device: bool,
|
||||
}
|
||||
|
||||
#[derive(Debug, StructOpt)]
|
||||
pub enum Command {
|
||||
#[structopt(name = "print-secret")]
|
||||
PrintSecret {
|
||||
/// Prints the secret as binary instead of hex encoded
|
||||
#[structopt(short = "b", long = "bin")]
|
||||
binary: bool,
|
||||
#[structopt(flatten)]
|
||||
credentials: Credentials,
|
||||
#[structopt(flatten)]
|
||||
authenticator: AuthenticatorParameters,
|
||||
#[structopt(flatten)]
|
||||
secret: SecretParameters,
|
||||
},
|
||||
/// Adds a generated key to the specified LUKS device
|
||||
#[structopt(name = "add-key")]
|
||||
AddKey {
|
||||
#[structopt(flatten)]
|
||||
luks: LuksParameters,
|
||||
#[structopt(flatten)]
|
||||
credentials: Credentials,
|
||||
#[structopt(flatten)]
|
||||
authenticator: AuthenticatorParameters,
|
||||
#[structopt(flatten)]
|
||||
secret: SecretParameters,
|
||||
/// Will wipe all other keys
|
||||
#[structopt(short = "e", long = "exclusive")]
|
||||
exclusive: bool,
|
||||
/// Will add an token to your LUKS 2 header, including the credential id
|
||||
#[structopt(short = "t", long = "token")]
|
||||
token: bool,
|
||||
#[structopt(flatten)]
|
||||
existing_secret: OtherSecret,
|
||||
#[structopt(flatten)]
|
||||
luks_mod: LuksModParameters,
|
||||
},
|
||||
/// Replace a previously added key with a password
|
||||
#[structopt(name = "replace-key")]
|
||||
ReplaceKey {
|
||||
#[structopt(flatten)]
|
||||
luks: LuksParameters,
|
||||
#[structopt(flatten)]
|
||||
credentials: Credentials,
|
||||
#[structopt(flatten)]
|
||||
authenticator: AuthenticatorParameters,
|
||||
#[structopt(flatten)]
|
||||
secret: SecretParameters,
|
||||
/// Add the password and keep the key
|
||||
#[structopt(short = "a", long = "add-password")]
|
||||
add_password: bool,
|
||||
/// Will add an token to your LUKS 2 header, including the credential id
|
||||
#[structopt(short = "t", long = "token")]
|
||||
token: bool,
|
||||
#[structopt(flatten)]
|
||||
replacement: OtherSecret,
|
||||
#[structopt(flatten)]
|
||||
luks_mod: LuksModParameters,
|
||||
},
|
||||
/// Open the LUKS device
|
||||
#[structopt(name = "open")]
|
||||
Open {
|
||||
#[structopt(flatten)]
|
||||
luks: LuksParameters,
|
||||
#[structopt(env = "FIDO2LUKS_MAPPER_NAME")]
|
||||
name: String,
|
||||
#[structopt(flatten)]
|
||||
credentials: Credentials,
|
||||
#[structopt(flatten)]
|
||||
authenticator: AuthenticatorParameters,
|
||||
#[structopt(flatten)]
|
||||
secret: SecretParameters,
|
||||
#[structopt(short = "r", long = "max-retries", default_value = "0")]
|
||||
retries: i32,
|
||||
},
|
||||
/// Open the LUKS device using credentials embedded in the LUKS 2 header
|
||||
#[structopt(name = "open-token")]
|
||||
OpenToken {
|
||||
#[structopt(flatten)]
|
||||
luks: LuksParameters,
|
||||
#[structopt(env = "FIDO2LUKS_MAPPER_NAME")]
|
||||
name: String,
|
||||
#[structopt(flatten)]
|
||||
authenticator: AuthenticatorParameters,
|
||||
#[structopt(flatten)]
|
||||
secret: SecretParameters,
|
||||
#[structopt(short = "r", long = "max-retries", default_value = "0")]
|
||||
retries: i32,
|
||||
},
|
||||
/// Generate a new FIDO credential
|
||||
#[structopt(name = "credential")]
|
||||
Credential {
|
||||
#[structopt(flatten)]
|
||||
authenticator: AuthenticatorParameters,
|
||||
/// Name to be displayed on the authenticator if it has a display
|
||||
#[structopt(env = "FIDO2LUKS_CREDENTIAL_NAME")]
|
||||
name: Option<String>,
|
||||
},
|
||||
/// Check if an authenticator is connected
|
||||
#[structopt(name = "connected")]
|
||||
Connected,
|
||||
Token(TokenCommand),
|
||||
/// Generate bash completion scripts
|
||||
#[structopt(name = "completions", setting = AppSettings::Hidden)]
|
||||
GenerateCompletions {
|
||||
/// Shell to generate completions for: bash, fish
|
||||
#[structopt(possible_values = &["bash", "fish"])]
|
||||
shell: String,
|
||||
out_dir: PathBuf,
|
||||
},
|
||||
}
|
||||
|
||||
///LUKS2 token related operations
|
||||
#[derive(Debug, StructOpt)]
|
||||
pub enum TokenCommand {
|
||||
/// List all tokens associated with the specified device
|
||||
List {
|
||||
#[structopt(env = "FIDO2LUKS_DEVICE")]
|
||||
device: PathBuf,
|
||||
/// Dump all credentials as CSV
|
||||
#[structopt(long = "csv")]
|
||||
csv: bool,
|
||||
},
|
||||
/// Add credential to a keyslot
|
||||
Add {
|
||||
#[structopt(env = "FIDO2LUKS_DEVICE")]
|
||||
device: PathBuf,
|
||||
#[structopt(flatten)]
|
||||
credentials: Credentials,
|
||||
/// Slot to which the credentials will be added
|
||||
#[structopt(long = "slot", env = "FIDO2LUKS_DEVICE_SLOT")]
|
||||
slot: u32,
|
||||
},
|
||||
/// Remove credentials from token(s)
|
||||
Remove {
|
||||
#[structopt(env = "FIDO2LUKS_DEVICE")]
|
||||
device: PathBuf,
|
||||
#[structopt(flatten)]
|
||||
credentials: Credentials,
|
||||
/// Token from which the credentials will be removed
|
||||
#[structopt(long = "token")]
|
||||
token_id: Option<u32>,
|
||||
},
|
||||
/// Remove all unassigned tokens
|
||||
GC {
|
||||
#[structopt(env = "FIDO2LUKS_DEVICE")]
|
||||
device: PathBuf,
|
||||
},
|
||||
}
|
||||
@ -12,6 +12,7 @@ use std::path::PathBuf;
|
||||
use std::process::exit;
|
||||
|
||||
mod cli;
|
||||
mod cli_args;
|
||||
mod config;
|
||||
mod device;
|
||||
mod error;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user