89 lines
4.4 KiB
Rust
89 lines
4.4 KiB
Rust
use std::ops::Deref;
|
|
use clap::{ArgMatches, SubCommand, App, Arg};
|
|
use yubico_manager::Yubico;
|
|
use yubico_manager::config::{Config, Mode, Slot};
|
|
use rust_util::util_clap::{Command, CommandError};
|
|
use std::collections::BTreeMap;
|
|
|
|
pub struct CommandImpl;
|
|
|
|
impl Command for CommandImpl {
|
|
fn name(&self) -> &str { "chall" }
|
|
|
|
fn subcommand<'a>(&self) -> App<'a, 'a> {
|
|
SubCommand::with_name(self.name()).about("Yubikey challenge-response hmac")
|
|
.arg(Arg::with_name("challenge").short("c").long("challenge").takes_value(true).help("Challenge"))
|
|
.arg(Arg::with_name("challenge-hex").short("x").long("challenge-hex").takes_value(true).help("Challenge HEX"))
|
|
.arg(Arg::with_name("sha256").short("2").long("sha256").help("Output SHA256"))
|
|
.arg(Arg::with_name("sha384").short("3").long("sha384").help("Output SHA256"))
|
|
.arg(Arg::with_name("sha512").short("5").long("sha512").help("Output SHA256"))
|
|
.arg(Arg::with_name("json").long("json").help("JSON output"))
|
|
}
|
|
|
|
fn run(&self, _arg_matches: &ArgMatches, sub_arg_matches: &ArgMatches) -> CommandError {
|
|
let json_output = sub_arg_matches.is_present("json");
|
|
if json_output { rust_util::util_msg::set_logger_std_out(false); }
|
|
|
|
let sha256_output = sub_arg_matches.is_present("sha256");
|
|
let sha384_output = sub_arg_matches.is_present("sha384");
|
|
let sha512_output = sub_arg_matches.is_present("sha512");
|
|
let challenge_bytes: Vec<u8>;
|
|
if let Some(challenge) = sub_arg_matches.value_of("challenge") {
|
|
challenge_bytes = challenge.as_bytes().to_vec();
|
|
} else if let Some(challenge_hex) = sub_arg_matches.value_of("challenge-hex") {
|
|
challenge_bytes = opt_result!(hex::decode(challenge_hex), "Decode challenge hex: {}, failed: {}", challenge_hex);
|
|
} else {
|
|
return simple_error!("Challenge must assigned");
|
|
}
|
|
|
|
// Challenge can not be greater than 64 bytes
|
|
if challenge_bytes.len() > 64 {
|
|
return simple_error!("Challenge bytes is: {}, more than 64", challenge_bytes.len());
|
|
}
|
|
|
|
let mut yubi = Yubico::new();
|
|
|
|
if let Ok(device) = yubi.find_yubikey() {
|
|
success!("Found key, Vendor ID: {:?} Product ID {:?}", device.vendor_id, device.product_id);
|
|
|
|
let config = Config::default()
|
|
.set_vendor_id(device.vendor_id)
|
|
.set_product_id(device.product_id)
|
|
.set_variable_size(true)
|
|
.set_mode(Mode::Sha1)
|
|
.set_slot(Slot::Slot2);
|
|
|
|
// In HMAC Mode, the result will always be the SAME for the SAME provided challenge
|
|
let hmac_result = opt_result!(yubi.challenge_response_hmac(&challenge_bytes, config), "Challenge HMAC failed: {}");
|
|
|
|
// Just for debug, lets check the hex
|
|
let v: &[u8] = hmac_result.deref();
|
|
let hex_string = hex::encode(v);
|
|
let hex_sha256 = iff!(sha256_output, Some(crate::digest::sha256_bytes(v)), None);
|
|
let hex_sha384 = iff!(sha384_output, Some(crate::digest::sha384_bytes(v)), None);
|
|
let hex_sha512 = iff!(sha512_output, Some(crate::digest::sha512_bytes(v)), None);
|
|
|
|
if json_output {
|
|
let mut json = BTreeMap::<&'_ str, String>::new();
|
|
json.insert("challenge_hex", hex::encode(challenge_bytes));
|
|
json.insert("response_hex", hex_string);
|
|
hex_sha256.map(|hex_sha256| json.insert("response_sha256_hex", hex::encode(hex_sha256)));
|
|
hex_sha384.map(|hex_sha384| json.insert("response_sha384_hex", hex::encode(hex_sha384)));
|
|
hex_sha512.map(|hex_sha512| json.insert("response_sha512_hex", hex::encode(hex_sha512)));
|
|
|
|
println!("{}", serde_json::to_string_pretty(&json).expect("Convert to JSON failed!"));
|
|
} else {
|
|
success!("Challenge HEX: {}", hex::encode(challenge_bytes));
|
|
success!("Response HEX: {}", hex_string);
|
|
hex_sha256.map(|hex_sha256| success!("Response SHA256 HEX: {}", hex::encode(hex_sha256)));
|
|
hex_sha384.map(|hex_sha384| success!("Response SHA384 HEX: {}", hex::encode(hex_sha384)));
|
|
hex_sha512.map(|hex_sha512| success!("Response SHA512 HEX: {}", hex::encode(hex_sha512)));
|
|
}
|
|
} else {
|
|
warning!("Yubikey not found");
|
|
}
|
|
|
|
Ok(None)
|
|
}
|
|
}
|