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Merge remote-tracking branch 'origin/feature/desfire-auth' into feature/api-0.3

Browse Source 
* origin/feature/desfire-auth:
  update desfire crate to version on crates.io
  working Desfire auth in the api!
  fix stupid logic error
  initial integration of the X-FABFIRE mechnism
This commit is contained in:
Nadja Reitzenstein 2022-03-15 18:57:04 +01:00
commit c317101b93
9 changed files with 785 additions and 6 deletions
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98
Cargo.lock generated
View File

@ -23,6 +23,18 @@ dependencies = [
"pretty",
]
[[package]]
name = "aes"
version = "0.7.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9e8b47f52ea9bae42228d07ec09eb676433d7c4ed1ebdf0f1d1c29ed446f1ab8"
dependencies = [
"cfg-if",
"cipher",
"cpufeatures",
"opaque-debug 0.3.0",
]
[[package]]
name = "annotate-snippets"
version = "0.9.1"
@ -242,7 +254,7 @@ version = "0.7.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
dependencies = [
"block-padding",
"block-padding 0.1.5",
"byte-tools",
"byteorder",
"generic-array 0.12.4",
@ -266,6 +278,16 @@ dependencies = [
"generic-array 0.14.5",
]
[[package]]
name = "block-modes"
version = "0.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2cb03d1bed155d89dce0f845b7899b18a9a163e148fd004e1c28421a783e2d8e"
dependencies = [
"block-padding 0.2.1",
"cipher",
]
[[package]]
name = "block-padding"
version = "0.1.5"
@ -275,6 +297,12 @@ dependencies = [
"byte-tools",
]
[[package]]
name = "block-padding"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8d696c370c750c948ada61c69a0ee2cbbb9c50b1019ddb86d9317157a99c2cae"
[[package]]
name = "blocking"
version = "1.1.0"
@ -367,6 +395,15 @@ version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "cipher"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7ee52072ec15386f770805afd189a01c8841be8696bed250fa2f13c4c0d6dfb7"
dependencies = [
"generic-array 0.14.5",
]
[[package]]
name = "clap"
version = "2.34.0"
@ -436,6 +473,33 @@ dependencies = [
"typenum",
]
[[package]]
name = "des"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac41dd49fb554432020d52c875fc290e110113f864c6b1b525cd62c7e7747a5d"
dependencies = [
"byteorder",
"cipher",
"opaque-debug 0.3.0",
]
[[package]]
name = "desfire"
version = "0.2.0-alpha1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "83dddd3136b4dfc80f46dc6441cd3f16f99317e645bedc61eabc1452d24bfb3f"
dependencies = [
"aes",
"block-modes",
"des",
"hex",
"num-derive",
"num-traits",
"rand",
"simple-error",
]
[[package]]
name = "dhall"
version = "0.11.0"
@ -485,6 +549,7 @@ dependencies = [
"capnp-rpc",
"capnpc",
"clap",
"desfire",
"easy-parallel",
"flexbuffers",
"futures 0.3.21",
@ -493,8 +558,10 @@ dependencies = [
"futures-test",
"futures-util",
"genawaiter",
"hex",
"lazy_static",
"libc",
"linkme",
"lmdb-rkv",
"rand",
"rsasl",
@ -892,6 +959,9 @@ name = "hex"
version = "0.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
dependencies = [
"serde",
]
[[package]]
name = "hmac"
@ -1131,6 +1201,26 @@ dependencies = [
"winapi",
]
[[package]]
name = "num-derive"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "876a53fff98e03a936a674b29568b0e605f06b29372c2489ff4de23f1949743d"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "num-traits"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
dependencies = [
"autocfg",
]
[[package]]
name = "num_cpus"
version = "1.13.1"
@ -1725,6 +1815,12 @@ dependencies = [
"libc",
]
[[package]]
name = "simple-error"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cc47a29ce97772ca5c927f75bac34866b16d64e07f330c3248e2d7226623901b"
[[package]]
name = "slab"
version = "0.4.5"

9
Cargo.toml
View File

@ -47,8 +47,8 @@ uuid = { version = "0.8.2", features = ["serde", "v4"] }
clap = "2.33.3"
# TODO update this if bindgen breaks (again)
rsasl = "2.0.0-preview2"
#rsasl = { path = "../../rsasl" }
rsasl = { version = "2.0.0-preview2", features = ["unstable_custom_mechanism", "registry_static"] }
#rsasl = { path = "../../rsasl", features = ["unstable_custom_mechanism", "registry_static"] }
rumqttc = { version = "0.10", features = ["url"] }
async-compat = "0.2.1"
@ -75,6 +75,11 @@ rustls = "0.20"
rustls-pemfile = "0.2"
futures-rustls = "0.22.0"
# Desfire
desfire = "0.2.0-alpha1"
hex = { version = "0.4.3", features = ["serde"] }
linkme = "0.2"
[build-dependencies]
capnpc = "0.14.4"
# Used in build.rs to iterate over all files in schema/

7
Dockerfile.dev Normal file
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@ -0,0 +1,7 @@
# Setup build image for multistage build
FROM rust:latest
# install build deps
RUN apt-get update && apt-get upgrade -y
RUN apt-get install -yqq --no-install-recommends capnproto build-essential cmake clang libclang-dev libgsasl7-dev
COPY ../nfc_rs /nfc_rs

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"

3
src/api.rs
View File

@ -41,6 +41,7 @@ impl Bootstrap {
pub fn new(log: Logger, db: Databases, nw: Arc<Network>) -> Self {
info!(log, "Created Bootstrap");
let mut ctx = SASL::new();
ctx.register(&FABFIRE);
ctx.install_callback(Arc::new(auth::CB::new(db.userdb.clone())));
Self { db, nw, log, ctx }
}
@ -48,7 +49,7 @@ impl Bootstrap {
use connection_capnp::{API_VERSION_MAJOR, API_VERSION_MINOR, API_VERSION_PATCH};
use connection_capnp::bootstrap::*;
use crate::api::auth::Auth;
use crate::api::auth::{Auth, FABFIRE};
use crate::RELEASE;
impl connection_capnp::bootstrap::Server for Bootstrap {

32
src/api/auth.rs
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@ -4,6 +4,7 @@
//! Authentication using SASL
use std::cell::RefCell;
use std::convert::TryFrom;
use std::io::Cursor;
use std::rc::Rc;
use std::sync::Arc;
@ -18,10 +19,10 @@ use rsasl::callback::Callback;
use rsasl::error::SessionError;
use rsasl::mechname::Mechname;
use rsasl::property::{AuthId, Password};
use rsasl::{Property, SASL};
use rsasl::session::Session as RsaslSession;
use rsasl::session::Step;
use rsasl::validate::{validations, Validation};
use rsasl::SASL;
use crate::api::users::Users;
use crate::api::Session;
@ -33,6 +34,10 @@ use crate::db::access::AccessControl as AccessDB;
use crate::db::user::{Internal as UserDB, User, UserId};
use crate::network::Network;
mod fabfire;
pub use fabfire::FABFIRE;
use crate::api::auth::fabfire::FabFireCardKey;
pub struct AppData {
userdb: Arc<UserDB>,
}
@ -58,6 +63,7 @@ impl Callback for CB {
) -> Result<(), SessionError> {
let ret = match validation {
validations::SIMPLE => {
let authid = session
.get_property::<AuthId>()
.ok_or(SessionError::no_property::<AuthId>())?;
@ -81,6 +87,30 @@ impl Callback for CB {
};
Err(ret)
}
fn provide_prop(
&self,
session: &mut rsasl::session::SessionData,
property: Property,
) -> Result<(), SessionError> {
match property {
fabfire::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 enum State {

44
src/api/auth/fabfire.rs Normal file
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@ -0,0 +1,44 @@
mod server;
pub use server::FabFire;
use rsasl::mechname::Mechname;
use rsasl::registry::{Mechanism, MECHANISMS};
use rsasl::session::Side;
const MECHNAME: &'static Mechname = &Mechname::const_new_unchecked(b"X-FABFIRE");
#[linkme::distributed_slice(MECHANISMS)]
pub static FABFIRE: Mechanism = Mechanism {
mechanism: MECHNAME,
priority: 300,
// In this situation there's one struct for both sides, however you can just as well use
// different types than then have different `impl Authentication` instead of checking a value
// in self.
client: None,
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",
));

595
src/api/auth/fabfire/server.rs Normal file
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@ -0,0 +1,595 @@
use std::fmt::{Debug, Display, Formatter};
use std::io::Write;
use rsasl::error::{MechanismError, MechanismErrorKind, SASLError, SessionError};
use rsasl::mechanism::Authentication;
use rsasl::SASL;
use rsasl::session::{SessionData, StepResult};
use serde::{Deserialize, Serialize};
use desfire::desfire::Desfire;
use desfire::iso7816_4::apduresponse::APDUResponse;
use desfire::error::{Error as DesfireError};
use std::convert::TryFrom;
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 {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
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),
}
}
}
impl Display for FabFireError {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
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),
}
}
}
impl MechanismError for FabFireError {
fn kind(&self) -> MechanismErrorKind {
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 {
#[serde(rename = "UID", with = "hex")]
uid: [u8; 7],
key_old: Option<Box<[u8]>>,
key_new: Option<Box<[u8]>>,
}
struct KeyInfo {
key_id: u8,
key: Box<[u8]>,
}
struct AuthInfo {
rnd_a: Vec<u8>,
rnd_b: 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 {
#[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,
}
enum Step {
New,
SelectApp,
VerifyMagic,
GetURN,
GetToken,
Authenticate1,
Authenticate2,
}
pub struct FabFire {
step: Step,
card_info: Option<CardInfo>,
key_info: Option<KeyInfo>,
auth_info: Option<AuthInfo>,
app_id: u32,
local_urn: String,
desfire: Desfire,
}
const MAGIC: &'static str = "FABACCESS\0DESFIRE\01.0\0";
impl FabFire {
pub fn new_server(_sasl: &SASL) -> Result<Box<dyn Authentication>, SASLError> {
Ok(Box::new(Self { step: Step::New, card_info: None, key_info: None, auth_info: None, app_id: 1, local_urn: "urn:fabaccess:lab:innovisionlab".to_string(), desfire: Desfire { card: None, session_key: None, cbc_iv: None } }))
}
}
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) }
Some(cardinfo) => {
self.card_info = match serde_json::from_slice(cardinfo) {
Ok(card_info) => Some(card_info),
Err(e) => {
// eprintln!("{:?}", e);
return Err(FabFireError::DeserializationError(e).into());
}
};
//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(e) => {
// eprintln!("Failed to convert APDUCommand to Vec<u8>: {:?}", e);
return Err(FabFireError::SerializationError.into());
}
},
Err(e) => {
// eprintln!("Failed to generate APDUCommand: {:?}", e);
return Err(FabFireError::SerializationError.into());
}
};
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(e) => {
// eprintln!("Failed to serialize APDUCommand: {:?}", e);
Err(FabFireError::SerializationError.into())
}
};
}
};
}
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;
let buf = match self.desfire.read_data_chunk_cmd(MAGIC_FILE_ID, 0, MAGIC.len()) {
Ok(buf) => match Vec::<u8>::try_from(buf) {
Ok(data) => data,
Err(_) => {
return Err(FabFireError::SerializationError.into());
}
},
Err(_) => {
return Err(FabFireError::SerializationError.into());
}
};
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::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 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());
}
};
}
Err(_) => {
return Err(FabFireError::ParseError.into());
}
}
// request the contents of the file containing the URN
const URN_FILE_ID: u8 = 0x02;
let buf = match self.desfire.read_data_chunk_cmd(URN_FILE_ID, 0, self.local_urn.as_bytes().len()) { // TODO: support urn longer than 47 Bytes
Ok(buf) => match Vec::<u8>::try_from(buf) {
Ok(data) => data,
Err(_) => {
return Err(FabFireError::SerializationError.into());
}
},
Err(_) => {
return Err(FabFireError::SerializationError.into());
}
};
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::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 apdu_response.body {
Some(data) => {
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 => {
// eprintln!("No data in response");
return Err(FabFireError::ParseError.into());
}
};
}
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, 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());
}
},
Err(_) => {
return Err(FabFireError::SerializationError.into());
}
};
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::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 => {
// eprintln!("No data in response");
return Err(FabFireError::ParseError.into());
}
};
}
Err(e) => {
// eprintln!("Invalid response: {:?}", e);
return Err(FabFireError::ParseError.into());
}
}
let buf = match self.desfire.authenticate_iso_aes_challenge_cmd(self.key_info.as_ref().unwrap().key_id) {
Ok(buf) => match Vec::<u8>::try_from(buf) {
Ok(data) => data,
Err(_) => {
return Err(FabFireError::SerializationError.into());
}
},
Err(_) => {
return Err(FabFireError::SerializationError.into());
}
};
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::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 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);
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());
}
};
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());
}
};
}
Err(_) => {
return Err(FabFireError::ParseError.into());
}
}
}
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());
}
}
};
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) => {
match self.auth_info.as_ref() {
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() {
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());
}
};
}
Err(_) => {
return Err(FabFireError::InvalidCredentials(format!("{}", apdu_response)).into());
}
}
}
}
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 {