openpgp-card/tools/src/commands/pubkey.rs
2022-11-03 16:11:37 +01:00

110 lines
3.2 KiB
Rust

// SPDX-FileCopyrightText: 2021-2022 Heiko Schaefer <heiko@schaefer.name>
// SPDX-FileCopyrightText: 2022 Lars Wirzenius <liw@liw.fi>
// SPDX-FileCopyrightText: 2022 Nora Widdecke <mail@nora.pink>
// SPDX-License-Identifier: MIT OR Apache-2.0
use std::path::PathBuf;
use anyhow::Result;
use clap::Parser;
use openpgp_card_sequoia::types::KeyType;
use openpgp_card_sequoia::util::public_key_material_and_fp_to_key;
use openpgp_card_sequoia::{state::Open, Card};
use sequoia_openpgp::serialize::SerializeInto;
use crate::output;
use crate::pick_card_for_reading;
use crate::util;
use crate::versioned_output::{OutputBuilder, OutputFormat, OutputVersion};
#[derive(Parser, Debug)]
pub struct PubkeyCommand {
#[clap(
name = "card ident",
short = 'c',
long = "card",
help = "Identifier of the card to use"
)]
ident: Option<String>,
#[clap(
name = "User PIN file",
short = 'p',
long = "user-pin",
help = "Optionally, get User PIN from a file"
)]
user_pin: Option<PathBuf>,
/// User ID to add to the exported certificate representation
#[clap(name = "User ID", short = 'u', long = "userid")]
user_ids: Vec<String>,
}
pub fn print_pubkey(
format: OutputFormat,
output_version: OutputVersion,
command: PubkeyCommand,
) -> Result<()> {
let mut output = output::PublicKey::default();
let backend = pick_card_for_reading(command.ident)?;
let mut open: Card<Open> = backend.into();
let mut card = open.transaction()?;
let ident = card.application_identifier()?.ident();
output.ident(ident);
let user_pin = util::get_pin(&mut card, command.user_pin, crate::ENTER_USER_PIN)?;
let pkm = card.public_key_material(KeyType::Signing)?;
let times = card.key_generation_times()?;
let fps = card.fingerprints()?;
let key_sig = public_key_material_and_fp_to_key(
&pkm,
KeyType::Signing,
times.signature().expect("Signature time is unset"),
fps.signature().expect("Signature fingerprint is unset"),
)?;
let mut key_dec = None;
if let Ok(pkm) = card.public_key_material(KeyType::Decryption) {
if let Some(ts) = times.decryption() {
key_dec = Some(public_key_material_and_fp_to_key(
&pkm,
KeyType::Decryption,
ts,
fps.decryption().expect("Decryption fingerprint is unset"),
)?);
}
}
let mut key_aut = None;
if let Ok(pkm) = card.public_key_material(KeyType::Authentication) {
if let Some(ts) = times.authentication() {
key_aut = Some(public_key_material_and_fp_to_key(
&pkm,
KeyType::Authentication,
ts,
fps.authentication()
.expect("Authentication fingerprint is unset"),
)?);
}
}
let cert = crate::get_cert(
&mut card,
key_sig,
key_dec,
key_aut,
user_pin.as_deref(),
&command.user_ids,
&|| println!("Enter User PIN on card reader pinpad."),
)?;
let armored = String::from_utf8(cert.armored().to_vec()?)?;
output.public_key(armored);
println!("{}", output.print(format, output_version)?);
Ok(())
}