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working Desfire auth in the api!

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This commit is contained in:
Kai Jan Kriegel 2022-03-12 10:45:09 +01:00
parent 37db05a557
commit 5c5c9710c5
7 changed files with 445 additions and 154 deletions
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3
Cargo.lock generated
View File

@ -958,6 +958,9 @@ name = "hex"
version = "0.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
dependencies = [
"serde",
]
[[package]]
name = "hmac"

2
Cargo.toml
View File

@ -77,7 +77,7 @@ async-rustls = "0.2"
# Desfire
desfire = { git = "https://gitlab.com/fabinfra/fabaccess/nfc_rs.git", branch = "main" }
hex = "0.4.3"
hex = { version = "0.4.3", features = ["serde"] }
linkme = "0.2"
[build-dependencies]

1
examples/users.toml
View File

@ -11,3 +11,4 @@ passwd = "secret"
# It will get stored in the `kv` field in UserData.
# This is not used for anything at the moment
noot = "noot!"
cardkey = "7ab8704a61b5317e1fe4cae9e3e1fd8d"

104
src/api/auth.rs
View File

@ -6,6 +6,7 @@
use std::sync::Arc;
use std::rc::Rc;
use std::cell::RefCell;
use std::convert::TryFrom;
use std::io::Cursor;
@ -18,7 +19,7 @@ use rsasl::callback::Callback;
use rsasl::error::SessionError;
use rsasl::mechname::Mechname;
use rsasl::property::{AuthId, Password};
use rsasl::SASL;
use rsasl::{Property, SASL};
use rsasl::session::Step;
use rsasl::validate::{Validation, validations};
@ -32,6 +33,7 @@ use crate::db::access::AccessControl as AccessDB;
mod fabfire;
use fabfire::FABFIRE;
use crate::api::auth::fabfire::FabFireCardKey;
pub struct AppData {
userdb: Arc<UserDB>,
@ -73,10 +75,35 @@ impl Callback for CB {
};
Err(ret)
}
fn provide_prop(
&self,
session: &mut rsasl::session::SessionData,
property: Property,
) -> Result<(), SessionError> {
match property {
FABFIRECARDKEY => {
// Access the authentication id, i.e. the username to check the password for
let authcid = session.get_property_or_callback::<AuthId>()?;
println!("auth'ing user {:?}", authcid);
self.userdb.get_user(authcid.unwrap().as_ref()).map(|user| {
let kvs= user.unwrap().data.kv;
println!("kvs: {:?}", kvs);
kvs.get("cardkey").map(|key| {
session.set_property::<FabFireCardKey>(Arc::new(<[u8; 16]>::try_from(hex::decode(key).unwrap()).unwrap()));
});
}).ok();
Ok(())
}
_ => Err(SessionError::NoProperty { property }),
}
}
}
pub struct Auth {
pub ctx: SASL,
sasl_session: Option<rsasl::session::Session>,
session: Rc<RefCell<Option<Session>>>,
userdb: Arc<UserDB>,
access: Arc<AccessDB>,
@ -89,7 +116,7 @@ impl Auth {
ctx.register(&FABFIRE);
ctx.install_callback(Arc::new(CB::new(dbs.userdb.clone())));
Self { log, ctx, session, userdb: dbs.userdb.clone(), access: dbs.access.clone() }
Self { log, ctx, sasl_session: None, session, userdb: dbs.userdb.clone(), access: dbs.access.clone() }
}
}
@ -134,6 +161,7 @@ impl authentication_system::Server for Auth {
// Or fail at that and thrown an exception TODO: return Outcome
let mech = pry!(req.get_mechanism());
if !((mech == "PLAIN") || (mech == "X-FABFIRE")) {
debug!(self.log, "Invalid SASL mech: {}", mech);
return Promise::err(capnp::Error {
kind: capnp::ErrorKind::Failed,
description: format!("Invalid SASL mech"),
@ -142,8 +170,8 @@ impl authentication_system::Server for Auth {
let mech = Mechname::new(mech.as_bytes()).unwrap();
let mut session = match self.ctx.server_start(mech) {
Ok(s) => s,
self.sasl_session = match self.ctx.server_start(mech) {
Ok(s) => Some(s),
Err(e) =>
return Promise::err(capnp::Error {
kind: capnp::ErrorKind::Failed,
@ -164,10 +192,11 @@ impl authentication_system::Server for Auth {
Ok(Which::None(_)) => {
// FIXME: Actually this needs to indicate NO data instead of SOME data of 0 length
session.step(Option::<&[u8]>::None, &mut out)
self.sasl_session.as_mut().unwrap().step(Option::<&[u8]>::None, &mut out)
}
Ok(Which::Initial(data)) => {
session.step(Some(pry!(data)), &mut out)
debug!(self.log, "running step() with initial data");
self.sasl_session.as_mut().unwrap().step(Some(pry!(data)), &mut out)
}
};
@ -176,7 +205,7 @@ impl authentication_system::Server for Auth {
match step_res {
Ok(Step::Done(b)) => {
let user = session
let user = self.sasl_session.as_mut().unwrap()
.get_property::<AuthId>()
.and_then(|data| {
self.userdb.get_user(data.as_str()).unwrap()
@ -207,8 +236,67 @@ impl authentication_system::Server for Auth {
Promise::ok(())
}
Err(e) => {
error!(self.log, "SASL Auth failed: {}", e);
let mut outcome = pry!(res.get().get_response()).init_outcome();
outcome.reborrow().set_result(response::Result::InvalidCredentials);
outcome.reborrow().set_result(response::Result::InvalidCredentials); //FIXME: Check if problem where invalid creds or something else
let text = format!("{}", e);
outcome.set_help_text(&text);
Promise::ok(())
}
}
}
fn step(&mut self, params: authentication_system::StepParams, mut res: authentication_system::StepResults) -> Promise<(), capnp::Error> {
let resp = pry!(pry!(params.get()).get_response());
let mut out = Cursor::new(Vec::new());
// Use the data the Client has provided
let step_res = self.sasl_session.as_mut().unwrap().step(Some(resp), &mut out);
debug!(self.log, "running step() with additional data");
// The step may either return an error, a success or the need for more data
// TODO: Set the session user. Needs a lookup though <.>
match step_res {
Ok(Step::Done(b)) => {
let user = self.sasl_session.as_mut().unwrap()
.get_property::<AuthId>()
.and_then(|data| {
self.userdb.get_user(data.as_str()).unwrap()
})
.expect("Authentication returned OK but the given AuthId is invalid");
let perms = pry!(self.access.collect_permrules(&user.data)
.map_err(|e| capnp::Error::failed(format!("AccessDB lookup failed: {}", e))));
self.session.replace(Some(Session::new(
self.log.new(o!()),
user.id,
"".to_string(),
user.data.roles.into_boxed_slice(),
perms.into_boxed_slice()
)));
let mut outcome = pry!(res.get().get_response()).init_outcome();
outcome.reborrow().set_result(response::Result::Successful);
if b.is_some() {
outcome.init_additional_data().set_additional(&out.get_ref());
}
Promise::ok(())
},
Ok(Step::NeedsMore(b)) => {
if b.is_some() {
pry!(res.get().get_response()).set_challence(&out.get_ref());
}
Promise::ok(())
}
Err(e) => {
error!(self.log, "SASL Auth failed: {}", e);
let mut outcome = pry!(res.get().get_response()).init_outcome();
outcome.reborrow().set_result(response::Result::InvalidCredentials); //FIXME: Check if problem where invalid creds or something else
let text = format!("{}", e);
outcome.set_help_text(&text);
Promise::ok(())

24
src/api/auth/fabfire.rs
View File

@ -18,3 +18,27 @@ pub static FABFIRE: Mechanism = Mechanism {
server: Some(FabFire::new_server),
first: Side::Client,
};
use std::marker::PhantomData;
use rsasl::property::{Property, PropertyQ, PropertyDefinition};
// All Property types must implement Debug.
#[derive(Debug)]
// The `PhantomData` in the constructor is only used so external crates can't construct this type.
pub struct FabFireCardKey(PhantomData<()>);
impl PropertyQ for FabFireCardKey {
// This is the type stored for this property. This could also be the struct itself if you
// so choose
type Item = [u8; 16];
// You need to return the constant you define below here for things to work properly
fn property() -> Property {
FABFIRECARDKEY
}
}
// This const is used by your mechanism to query and by your users to set your property. It
// thus needs to be exported from your crate
pub const FABFIRECARDKEY: Property = Property::new(&PropertyDefinition::new(
// Short name, used in `Debug` output
"FabFireCardKey",
// A longer user-facing name used in `Display` output
"A AES128 key for a FabFire card",
));

443
src/api/auth/fabfire/server.rs
View File

@ -6,16 +6,24 @@ use rsasl::SASL;
use rsasl::session::{SessionData, StepResult};
use serde::{Deserialize, Serialize};
use desfire::desfire::Desfire;
use desfire::iso7816_4::apducommand::APDUCommand;
use desfire::iso7816_4::apduresponse::APDUResponse;
use desfire::error::{Error as DesfireError, Error};
use desfire::error::{Error as DesfireError};
use std::convert::TryFrom;
use std::ops::Deref;
use std::sync::Arc;
use desfire::desfire::desfire::MAX_BYTES_PER_TRANSACTION;
use rsasl::property::AuthId;
use crate::api::auth::fabfire::FabFireCardKey;
enum FabFireError {
ParseError,
SerializationError,
DeserializationError(serde_json::Error),
CardError(DesfireError),
InvalidMagic(String),
InvalidToken(String),
InvalidURN(String),
InvalidCredentials(String),
Session(SessionError),
}
impl Debug for FabFireError {
@ -23,7 +31,13 @@ impl Debug for FabFireError {
match self {
FabFireError::ParseError => write!(f, "ParseError"),
FabFireError::SerializationError => write!(f, "SerializationError"),
FabFireError::DeserializationError(e) => write!(f, "DeserializationError: {}", e),
FabFireError::CardError(err) => write!(f, "CardError: {}", err),
FabFireError::InvalidMagic(magic) => write!(f, "InvalidMagic: {}", magic),
FabFireError::InvalidToken(token) => write!(f, "InvalidToken: {}", token),
FabFireError::InvalidURN(urn) => write!(f, "InvalidURN: {}", urn),
FabFireError::InvalidCredentials(credentials) => write!(f, "InvalidCredentials: {}", credentials),
FabFireError::Session(err) => write!(f, "Session: {}", err),
}
}
}
@ -33,7 +47,13 @@ impl Display for FabFireError {
match self {
FabFireError::ParseError => write!(f, "ParseError"),
FabFireError::SerializationError => write!(f, "SerializationError"),
FabFireError::DeserializationError(e) => write!(f, "DeserializationError: {}", e),
FabFireError::CardError(err) => write!(f, "CardError: {}", err),
FabFireError::InvalidMagic(magic) => write!(f, "InvalidMagic: {}", magic),
FabFireError::InvalidToken(token) => write!(f, "InvalidToken: {}", token),
FabFireError::InvalidURN(urn) => write!(f, "InvalidURN: {}", urn),
FabFireError::InvalidCredentials(credentials) => write!(f, "InvalidCredentials: {}", credentials),
FabFireError::Session(err) => write!(f, "Session: {}", err),
}
}
}
@ -43,45 +63,61 @@ impl MechanismError for FabFireError {
match self {
FabFireError::ParseError => MechanismErrorKind::Parse,
FabFireError::SerializationError => MechanismErrorKind::Protocol,
FabFireError::DeserializationError(_) => MechanismErrorKind::Parse,
FabFireError::CardError(_) => MechanismErrorKind::Protocol,
FabFireError::InvalidMagic(_) => MechanismErrorKind::Protocol,
FabFireError::InvalidToken(_) => MechanismErrorKind::Protocol,
FabFireError::InvalidURN(_) => MechanismErrorKind::Protocol,
FabFireError::InvalidCredentials(_) => MechanismErrorKind::Protocol,
FabFireError::Session(_) => MechanismErrorKind::Protocol,
}
}
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
struct CardInfo {
card_uid: [u8; 7],
#[serde(rename = "UID", with = "hex")]
uid: [u8; 7],
key_old: Option<Box<[u8]>>,
key_new: Option<Box<[u8]>>
key_new: Option<Box<[u8]>>,
}
struct KeyInfo {
key_id: u8,
key: Box<[u8]>
key: Box<[u8]>,
}
struct AuthInfo {
rnd_a: Vec<u8>,
rnd_b: Vec<u8>,
iv: Vec<u8>
iv: Vec<u8>,
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(tag = "Cmd")]
enum CardCommand {
message {
#[serde(rename = "MssgID", skip_serializing_if = "Option::is_none")]
msg_id: Option<u32>,
#[serde(rename = "ClrTxt", skip_serializing_if = "Option::is_none")]
clr_txt: Option<String>,
#[serde(rename = "AddnTxt", skip_serializing_if = "Option::is_none")]
addn_txt: Option<String>,
},
sendPICC {
data: String
#[serde(deserialize_with = "hex::deserialize", serialize_with = "hex::serialize_upper")]
data: Vec<u8>
},
readPICC {
#[serde(deserialize_with = "hex::deserialize", serialize_with = "hex::serialize_upper")]
data: Vec<u8>
},
haltPICC,
Key {
data: String
},
ConfirmUser
ConfirmUser,
}
enum Step {
@ -92,7 +128,6 @@ enum Step {
GetToken,
Authenticate1,
Authenticate2,
Authenticate3,
}
pub struct FabFire {
@ -117,52 +152,70 @@ impl Authentication for FabFire {
fn step(&mut self, session: &mut SessionData, input: Option<&[u8]>, writer: &mut dyn Write) -> StepResult {
match self.step {
Step::New => {
// println!("Step: New");
//receive card info (especially card UID) from reader
return match input {
None => { Err(SessionError::InputDataRequired) },
None => { Err(SessionError::InputDataRequired) }
Some(cardinfo) => {
self.card_info = match serde_json::from_slice(cardinfo) {
Ok(card_info) => Some(card_info),
Err(_) => {
return Err(FabFireError::ParseError.into())
Err(e) => {
// eprintln!("{:?}", e);
return Err(FabFireError::DeserializationError(e).into());
}
};
self.step = Step::SelectApp;
Ok(rsasl::session::Step::NeedsMore(None))
}
}
}
Step::SelectApp => {
//select application
let buf = match self.desfire.select_application_cmd(self.app_id) {
Ok(buf) => match Vec::<u8>::try_from(buf) {
Ok(data) => data,
Err(_) => {
return Err(FabFireError::SerializationError.into())
Err(e) => {
// eprintln!("Failed to convert APDUCommand to Vec<u8>: {:?}", e);
return Err(FabFireError::SerializationError.into());
}
},
Err(_) => {
return Err(FabFireError::SerializationError.into())
Err(e) => {
// eprintln!("Failed to generate APDUCommand: {:?}", e);
return Err(FabFireError::SerializationError.into());
}
};
let cmd = CardCommand::sendPICC { data: hex::encode_upper(buf) };
return match serde_json::to_writer(writer, &cmd) {
Ok(_) => {
self.step = Step::VerifyMagic;
Ok(rsasl::session::Step::NeedsMore(None))
let cmd = CardCommand::sendPICC { data: buf };
return match serde_json::to_vec(&cmd) {
Ok(send_buf) => {
self.step = Step::SelectApp;
writer.write_all(&send_buf).map_err(|e| SessionError::Io { source: e })?;
Ok(rsasl::session::Step::NeedsMore(Some(send_buf.len())))
}
Err(_) => {
Err(e) => {
// eprintln!("Failed to serialize APDUCommand: {:?}", e);
Err(FabFireError::SerializationError.into())
}
}
}
Step::VerifyMagic => {
// check that we successfully selected the application
let response = match input {
None => {return Err(SessionError::InputDataRequired)},
Some(buf) => APDUResponse::new(buf)
};
response.check().map_err(|e| FabFireError::CardError(e))?;
}
};
}
Step::SelectApp => {
// println!("Step: SelectApp");
// check that we successfully selected the application
let response: CardCommand = match input {
None => { return Err(SessionError::InputDataRequired); }
Some(buf) => match serde_json::from_slice(buf).map_err(|e| FabFireError::DeserializationError(e)) {
Ok(response) => response,
Err(e) => {
// eprintln!("{:?}", e);
return Err(e.into());
}
}
};
let apdu_response = match response {
CardCommand::readPICC { data } => { APDUResponse::new(&*data) }
_ => {
// eprintln!("Unexpected response: {:?}", response);
return Err(FabFireError::ParseError.into());
}
};
apdu_response.check().map_err(|e| FabFireError::CardError(e))?;
// request the contents of the file containing the magic string
const MAGIC_FILE_ID: u8 = 0x01;
@ -171,40 +224,58 @@ impl Authentication for FabFire {
Ok(buf) => match Vec::<u8>::try_from(buf) {
Ok(data) => data,
Err(_) => {
return Err(FabFireError::SerializationError.into())
return Err(FabFireError::SerializationError.into());
}
},
Err(_) => {
return Err(FabFireError::SerializationError.into())
return Err(FabFireError::SerializationError.into());
}
};
let cmd = CardCommand::sendPICC { data: hex::encode_upper(buf) };
return match serde_json::to_writer(writer, &cmd) {
Ok(_) => {
self.step = Step::GetURN;
Ok(rsasl::session::Step::NeedsMore(None))
let cmd = CardCommand::sendPICC { data: buf };
return match serde_json::to_vec(&cmd) {
Ok(send_buf) => {
self.step = Step::VerifyMagic;
writer.write_all(&send_buf).map_err(|e| SessionError::Io { source: e })?;
Ok(rsasl::session::Step::NeedsMore(Some(send_buf.len())))
}
Err(_) => {
Err(FabFireError::SerializationError.into())
}
}
}
Step::GetURN => {
// verify the magic string to determine that we have a valid fabfire card
let response = match input {
None => {return Err(SessionError::InputDataRequired)},
Some(buf) => APDUResponse::new(buf)
};
match response.check() {
}
Step::VerifyMagic => {
// println!("Step: VerifyMagic");
// verify the magic string to determine that we have a valid fabfire card
let response: CardCommand = match input {
None => { return Err(SessionError::InputDataRequired); }
Some(buf) => match serde_json::from_slice(buf).map_err(|e| FabFireError::DeserializationError(e)) {
Ok(response) => response,
Err(e) => {
// eprintln!("{:?}", e);
return Err(e.into());
}
}
};
let apdu_response = match response {
CardCommand::readPICC { data } => { APDUResponse::new(&*data) }
_ => {
// eprintln!("Unexpected response: {:?}", response);
return Err(FabFireError::ParseError.into());
}
};
match apdu_response.check() {
Ok(_) => {
match response.body {
match apdu_response.body {
Some(data) => {
if std::str::from_utf8(data.as_slice()) != Ok(MAGIC) {
return Err(FabFireError::ParseError.into());
}
}
None => {
return Err(FabFireError::ParseError.into())
return Err(FabFireError::ParseError.into());
}
};
}
@ -221,92 +292,143 @@ impl Authentication for FabFire {
Ok(buf) => match Vec::<u8>::try_from(buf) {
Ok(data) => data,
Err(_) => {
return Err(FabFireError::SerializationError.into())
return Err(FabFireError::SerializationError.into());
}
},
Err(_) => {
return Err(FabFireError::SerializationError.into())
return Err(FabFireError::SerializationError.into());
}
};
let cmd = CardCommand::sendPICC { data: hex::encode_upper(buf) };
return match serde_json::to_writer(writer, &cmd) {
Ok(_) => {
self.step = Step::GetToken;
Ok(rsasl::session::Step::NeedsMore(None))
let cmd = CardCommand::sendPICC { data: buf };
return match serde_json::to_vec(&cmd) {
Ok(send_buf) => {
self.step = Step::GetURN;
writer.write_all(&send_buf).map_err(|e| SessionError::Io { source: e })?;
Ok(rsasl::session::Step::NeedsMore(Some(send_buf.len())))
}
Err(_) => {
Err(FabFireError::SerializationError.into())
}
}
}
Step::GetToken => {
// parse the urn and match it to our local urn
let response = match input {
None => {return Err(SessionError::InputDataRequired)},
Some(buf) => APDUResponse::new(buf)
};
match response.check() {
}
Step::GetURN => {
// println!("Step: GetURN");
// parse the urn and match it to our local urn
let response: CardCommand = match input {
None => { return Err(SessionError::InputDataRequired); }
Some(buf) => match serde_json::from_slice(buf).map_err(|e| FabFireError::DeserializationError(e)) {
Ok(response) => response,
Err(e) => {
// eprintln!("{:?}", e);
return Err(e.into());
}
}
};
let apdu_response = match response {
CardCommand::readPICC { data } => { APDUResponse::new(&*data) }
_ => {
// eprintln!("Unexpected response: {:?}", response);
return Err(FabFireError::ParseError.into());
}
};
match apdu_response.check() {
Ok(_) => {
match response.body {
match apdu_response.body {
Some(data) => {
if String::from_utf8(data).unwrap() != self.local_urn {
let received_urn = String::from_utf8(data).unwrap();
if received_urn != self.local_urn {
// eprintln!("URN mismatch: {:?} != {:?}", received_urn, self.local_urn);
return Err(FabFireError::ParseError.into());
}
}
None => {
return Err(FabFireError::ParseError.into())
// eprintln!("No data in response");
return Err(FabFireError::ParseError.into());
}
};
}
Err(_) => {
Err(e) => {
// eprintln!("Invalid response: {:?}", e);
return Err(FabFireError::ParseError.into());
}
}
// request the contents of the file containing the URN
const TOKEN_FILE_ID: u8 = 0x03;
let buf = match self.desfire.read_data_chunk_cmd(TOKEN_FILE_ID, 0, 47) { // TODO: support data longer than 47 Bytes
let buf = match self.desfire.read_data_chunk_cmd(TOKEN_FILE_ID, 0, MAX_BYTES_PER_TRANSACTION) { // TODO: support data longer than 47 Bytes
Ok(buf) => match Vec::<u8>::try_from(buf) {
Ok(data) => data,
Err(_) => {
return Err(FabFireError::SerializationError.into())
return Err(FabFireError::SerializationError.into());
}
},
Err(_) => {
return Err(FabFireError::SerializationError.into())
return Err(FabFireError::SerializationError.into());
}
};
let cmd = CardCommand::sendPICC { data: hex::encode_upper(buf) };
return match serde_json::to_writer(writer, &cmd) {
Ok(_) => {
self.step = Step::Authenticate1;
Ok(rsasl::session::Step::NeedsMore(None))
let cmd = CardCommand::sendPICC { data: buf };
return match serde_json::to_vec(&cmd) {
Ok(send_buf) => {
self.step = Step::GetToken;
writer.write_all(&send_buf).map_err(|e| SessionError::Io { source: e })?;
Ok(rsasl::session::Step::NeedsMore(Some(send_buf.len())))
}
Err(_) => {
Err(FabFireError::SerializationError.into())
}
}
}
Step::Authenticate1 => {
// parse the token and select the appropriate user
let response = match input {
None => {return Err(SessionError::InputDataRequired)},
Some(buf) => APDUResponse::new(buf)
};
match response.check() {
Ok(_) => {
match response.body {
Some(data) => {
if String::from_utf8(data).unwrap() != "LoremIpsum" { // FIXME: match against user db
}
Step::GetToken => {
// println!("Step: GetToken");
// parse the token and select the appropriate user
let response: CardCommand = match input {
None => { return Err(SessionError::InputDataRequired); }
Some(buf) => match serde_json::from_slice(buf).map_err(|e| FabFireError::DeserializationError(e)) {
Ok(response) => response,
Err(e) => {
// eprintln!("{:?}", e);
return Err(e.into());
}
}
};
let apdu_response = match response {
CardCommand::readPICC { data } => { APDUResponse::new(&*data) }
_ => {
// eprintln!("Unexpected response: {:?}", response);
return Err(FabFireError::ParseError.into());
}
};
match apdu_response.check() {
Ok(_) => {
match apdu_response.body {
Some(data) => {
let token = String::from_utf8(data).unwrap();
session.set_property::<AuthId>(Arc::new(token.trim_matches(char::from(0)).to_string()));
let key = match session.get_property_or_callback::<FabFireCardKey>() {
Ok(Some(key)) => Box::from(key.as_slice()),
Ok(None) => {
return Err(FabFireError::InvalidCredentials("No keys on file for token".to_string()).into());
}
Err(e) => {
return Err(FabFireError::Session(e).into());
}
};
self.key_info = Some(KeyInfo{ key_id: 0x01, key });
}
None => {
return Err(FabFireError::ParseError.into())
// eprintln!("No data in response");
return Err(FabFireError::ParseError.into());
}
};
}
Err(_) => {
Err(e) => {
// eprintln!("Invalid response: {:?}", e);
return Err(FabFireError::ParseError.into());
}
}
@ -315,62 +437,85 @@ impl Authentication for FabFire {
Ok(buf) => match Vec::<u8>::try_from(buf) {
Ok(data) => data,
Err(_) => {
return Err(FabFireError::SerializationError.into())
return Err(FabFireError::SerializationError.into());
}
},
Err(_) => {
return Err(FabFireError::SerializationError.into())
return Err(FabFireError::SerializationError.into());
}
};
let cmd = CardCommand::sendPICC { data: hex::encode_upper(buf) };
return match serde_json::to_writer(writer, &cmd) {
Ok(_) => {
self.step = Step::Authenticate2;
Ok(rsasl::session::Step::NeedsMore(None))
let cmd = CardCommand::sendPICC { data: buf };
return match serde_json::to_vec(&cmd) {
Ok(send_buf) => {
self.step = Step::Authenticate1;
writer.write_all(&send_buf).map_err(|e| SessionError::Io { source: e })?;
Ok(rsasl::session::Step::NeedsMore(Some(send_buf.len())))
}
Err(_) => {
Err(FabFireError::SerializationError.into())
}
}
}
Step::Authenticate2 => {
let response = match input {
None => {return Err(SessionError::InputDataRequired)},
Some(buf) => APDUResponse::new(buf)
};
match response.check() {
}
Step::Authenticate1 => {
// println!("Step: Authenticate1");
let response: CardCommand = match input {
None => { return Err(SessionError::InputDataRequired); }
Some(buf) => match serde_json::from_slice(buf).map_err(|e| FabFireError::DeserializationError(e)) {
Ok(response) => response,
Err(e) => {
// eprintln!("{:?}", e);
return Err(e.into());
}
}
};
let apdu_response = match response {
CardCommand::readPICC { data } => { APDUResponse::new(&*data) }
_ => {
// eprintln!("Unexpected response: {:?}", response);
return Err(FabFireError::ParseError.into());
}
};
match apdu_response.check() {
Ok(_) => {
match response.body {
match apdu_response.body {
Some(data) => {
let rnd_b_enc = data.as_slice();
//FIXME: This is ugly, we should find a better way to make the function testable
//TODO: Check if we need a CSPRNG here
let rnd_a: [u8; 16] = rand::random();
println!("RND_A: {:x?}", rnd_a);
// println!("RND_A: {:x?}", rnd_a);
let (cmd_challenge_response, rnd_b, iv) = self.desfire.authenticate_iso_aes_response_cmd(rnd_b_enc, &*(self.key_info.as_ref().unwrap().key), &rnd_a).unwrap();
self.auth_info = Some(AuthInfo{rnd_a: Vec::<u8>::from(rnd_a), rnd_b, iv});
let (cmd_challenge_response,
rnd_b,
iv) = self.desfire.authenticate_iso_aes_response_cmd(
rnd_b_enc,
&*(self.key_info.as_ref().unwrap().key),
&rnd_a).unwrap();
self.auth_info = Some(AuthInfo { rnd_a: Vec::<u8>::from(rnd_a), rnd_b, iv });
let buf = match Vec::<u8>::try_from(cmd_challenge_response) {
Ok(data) => data,
Err(_) => {
return Err(FabFireError::SerializationError.into())
return Err(FabFireError::SerializationError.into());
}
};
let cmd = CardCommand::sendPICC { data: hex::encode_upper(buf) };
return match serde_json::to_writer(writer, &cmd) {
Ok(_) => {
self.step = Step::Authenticate3;
Ok(rsasl::session::Step::NeedsMore(None))
let cmd = CardCommand::sendPICC { data: buf };
return match serde_json::to_vec(&cmd) {
Ok(send_buf) => {
self.step = Step::Authenticate2;
writer.write_all(&send_buf).map_err(|e| SessionError::Io { source: e })?;
Ok(rsasl::session::Step::NeedsMore(Some(send_buf.len())))
}
Err(_) => {
Err(FabFireError::SerializationError.into())
}
}
};
}
None => {
return Err(FabFireError::ParseError.into())
return Err(FabFireError::ParseError.into());
}
};
}
@ -379,36 +524,67 @@ impl Authentication for FabFire {
}
}
}
Step::Authenticate3 => {
let response = match input {
None => {return Err(SessionError::InputDataRequired)},
Some(buf) => APDUResponse::new(buf)
Step::Authenticate2 => {
// println!("Step: Authenticate2");
let response: CardCommand = match input {
None => { return Err(SessionError::InputDataRequired); }
Some(buf) => match serde_json::from_slice(buf).map_err(|e| FabFireError::DeserializationError(e)) {
Ok(response) => response,
Err(e) => {
// eprintln!("{:?}", e);
return Err(e.into());
}
}
};
match response.check() {
let apdu_response = match response {
CardCommand::readPICC { data } => { APDUResponse::new(&*data) }
_ => {
// eprintln!("Unexpected response: {:?}", response);
return Err(FabFireError::ParseError.into());
}
};
match apdu_response.check() {
Ok(_) => {
match response.body {
match apdu_response.body {
Some(data) => {
match self.auth_info.as_ref() {
None => {return Err(FabFireError::ParseError.into())}
None => { return Err(FabFireError::ParseError.into()); }
Some(auth_info) => {
if self.desfire.authenticate_iso_aes_verify(
data.as_slice(),
auth_info.rnd_a.as_slice(),
auth_info.rnd_b.as_slice(), &*(self.key_info.as_ref().unwrap().key),
auth_info.iv.as_slice()).is_ok() {
// TODO: Do stuff with the info that we are authenticated
return Ok(rsasl::session::Step::Done(None));
let cmd = CardCommand::message{
msg_id: Some(4),
clr_txt: None,
addn_txt: Some("".to_string()),
};
return match serde_json::to_vec(&cmd) {
Ok(send_buf) => {
self.step = Step::Authenticate1;
writer.write_all(&send_buf).map_err(|e| SessionError::Io { source: e })?;
return Ok(rsasl::session::Step::Done(Some(send_buf.len())))
}
Err(_) => {
Err(FabFireError::SerializationError.into())
}
};
}
}
}
}
None => {
return Err(FabFireError::ParseError.into())
return Err(FabFireError::ParseError.into());
}
};
}
Err(_) => {
return Err(FabFireError::ParseError.into());
return Err(FabFireError::InvalidCredentials(format!("{}", apdu_response)).into());
}
}
}
@ -416,5 +592,4 @@ impl Authentication for FabFire {
return Ok(rsasl::session::Step::Done(None));
}
}

2
src/db/user.rs
View File

@ -95,7 +95,7 @@ pub struct UserData {
/// Additional data storage
#[serde(flatten, skip_serializing_if = "HashMap::is_empty")]
kv: HashMap<String, String>,
pub kv: HashMap<String, String>,
}
impl UserData {