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

98 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 anyhow::Result;
use clap::Parser;
use openpgp_card_sequoia::{state::Open, Card};
use crate::output;
use crate::pick_card_for_reading;
use crate::versioned_output::{OutputBuilder, OutputFormat, OutputVersion};
#[derive(Parser, Debug)]
pub struct InfoCommand {
#[clap(
name = "card ident",
short = 'c',
long = "card",
help = "Identifier of the card to use"
)]
pub ident: Option<String>,
}
/// print metadata information about a card
pub fn print_info(
format: OutputFormat,
output_version: OutputVersion,
command: InfoCommand,
) -> Result<()> {
let mut output = output::Info::default();
let backend = pick_card_for_reading(command.ident)?;
let mut open: Card<Open> = backend.into();
let mut card = open.transaction()?;
let ai = card.application_identifier()?;
output.ident(ai.ident());
let version = ai.version().to_be_bytes();
output.card_version(format!("{}.{}", version[0], version[1]));
output.application_id(ai.to_string());
output.manufacturer_id(format!("{:04X}", ai.manufacturer()));
output.manufacturer_name(ai.manufacturer_name().to_string());
if let Some(cc) = card.historical_bytes()?.card_capabilities() {
for line in cc.to_string().lines() {
let line = line.strip_prefix("- ").unwrap_or(line);
output.card_capability(line.to_string());
}
}
if let Some(csd) = card.historical_bytes()?.card_service_data() {
for line in csd.to_string().lines() {
let line = line.strip_prefix("- ").unwrap_or(line);
output.card_service_data(line.to_string());
}
}
if let Some(eli) = card.extended_length_information()? {
for line in eli.to_string().lines() {
let line = line.strip_prefix("- ").unwrap_or(line);
output.extended_length_info(line.to_string());
}
}
let ec = card.extended_capabilities()?;
for line in ec.to_string().lines() {
let line = line.strip_prefix("- ").unwrap_or(line);
output.extended_capability(line.to_string());
}
// Algorithm information (list of supported algorithms)
//
// FIXME: this should be output in a more structured shape
// Algorithms should be grouped by key slot, and the format of the algorithm name should
// probably have a human readable, and an alternate machine readable format.
// Both formats should be output for machine readable formats.
if let Ok(Some(ai)) = card.algorithm_information() {
for line in ai.to_string().lines() {
let line = line.strip_prefix("- ").unwrap_or_else(|| line.trim());
output.algorithm(line.to_string());
}
}
// FIXME: print KDF info
// YubiKey specific (?) firmware version
if let Ok(ver) = card.firmware_version() {
let ver = ver.iter().map(u8::to_string).collect::<Vec<_>>().join(".");
output.firmware_version(ver);
}
println!("{}", output.print(format, output_version)?);
Ok(())
}