openpgp-card/tools/src/bin/opgpcard/commands/ssh.rs
2022-10-27 13:41:24 +02:00

55 lines
1.6 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 anyhow::Result;
use clap::Parser;
use openpgp_card_sequoia::card::{Card, Open};
use openpgp_card_sequoia::types::KeyType;
use crate::output;
use crate::pick_card_for_reading;
use crate::util;
use crate::versioned_output::{OutputBuilder, OutputFormat, OutputVersion};
#[derive(Parser, Debug)]
pub struct SshCommand {
#[clap(name = "card ident", short = 'c', long = "card")]
pub ident: Option<String>,
}
pub fn print_ssh(
format: OutputFormat,
output_version: OutputVersion,
command: SshCommand,
) -> Result<()> {
let mut output = output::Ssh::default();
let ident = command.ident;
let backend = pick_card_for_reading(ident)?;
let mut open: Card<Open> = backend.into();
let mut card = open.transaction()?;
let ident = card.application_identifier()?.ident();
output.ident(ident.clone());
// Print fingerprint of authentication subkey
let fps = card.fingerprints()?;
if let Some(fp) = fps.authentication() {
output.authentication_key_fingerprint(fp.to_string());
}
// Show authentication subkey as openssh public key string
if let Ok(pkm) = card.public_key(KeyType::Authentication) {
if let Ok(ssh) = util::get_ssh_pubkey_string(&pkm, ident) {
output.ssh_public_key(ssh);
}
}
println!("{}", output.print(format, output_version)?);
Ok(())
}