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-rw-r--r--src/auth.rs69
1 files changed, 37 insertions, 32 deletions
diff --git a/src/auth.rs b/src/auth.rs
index 2ed7bfc..829d083 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -1,6 +1,7 @@
// Copyright (C) 2018-2019 Robin Krahl <robin.krahl@ireas.org>
// SPDX-License-Identifier: MIT
+use std::marker;
use std::ops;
use std::os::raw::c_char;
use std::os::raw::c_int;
@@ -18,7 +19,7 @@ static TEMPORARY_PASSWORD_LENGTH: usize = 25;
/// Provides methods to authenticate as a user or as an admin using a PIN. The authenticated
/// methods will consume the current device instance. On success, they return the authenticated
/// device. Otherwise, they return the current unauthenticated device and the error code.
-pub trait Authenticate {
+pub trait Authenticate<'a> {
/// Performs user authentication. This method consumes the device. If successful, an
/// authenticated device is returned. Otherwise, the current unauthenticated device and the
/// error are returned.
@@ -61,9 +62,9 @@ pub trait Authenticate {
/// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString
/// [`RngError`]: enum.CommandError.html#variant.RngError
/// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword
- fn authenticate_user(self, password: &str) -> Result<User<Self>, (Self, Error)>
+ fn authenticate_user(self, password: &str) -> Result<User<'a, Self>, (Self, Error)>
where
- Self: Device + Sized;
+ Self: Device<'a> + Sized;
/// Performs admin authentication. This method consumes the device. If successful, an
/// authenticated device is returned. Otherwise, the current unauthenticated device and the
@@ -107,9 +108,9 @@ pub trait Authenticate {
/// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString
/// [`RngError`]: enum.CommandError.html#variant.RngError
/// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword
- fn authenticate_admin(self, password: &str) -> Result<Admin<Self>, (Self, Error)>
+ fn authenticate_admin(self, password: &str) -> Result<Admin<'a, Self>, (Self, Error)>
where
- Self: Device + Sized;
+ Self: Device<'a> + Sized;
}
trait AuthenticatedDevice<T> {
@@ -128,9 +129,10 @@ trait AuthenticatedDevice<T> {
/// [`authenticate_admin`]: trait.Authenticate.html#method.authenticate_admin
/// [`device`]: #method.device
#[derive(Debug)]
-pub struct User<T: Device> {
+pub struct User<'a, T: Device<'a>> {
device: T,
temp_password: Vec<u8>,
+ marker: marker::PhantomData<&'a T>,
}
/// A Nitrokey device with admin authentication.
@@ -143,14 +145,15 @@ pub struct User<T: Device> {
/// [`authenticate_admin`]: trait.Authenticate.html#method.authenticate_admin
/// [`device`]: #method.device
#[derive(Debug)]
-pub struct Admin<T: Device> {
+pub struct Admin<'a, T: Device<'a>> {
device: T,
temp_password: Vec<u8>,
+ marker: marker::PhantomData<&'a T>,
}
-fn authenticate<D, A, T>(device: D, password: &str, callback: T) -> Result<A, (D, Error)>
+fn authenticate<'a, D, A, T>(device: D, password: &str, callback: T) -> Result<A, (D, Error)>
where
- D: Device,
+ D: Device<'a>,
A: AuthenticatedDevice<D>,
T: Fn(*const c_char, *const c_char) -> c_int,
{
@@ -174,9 +177,9 @@ fn authenticate_user_wrapper<'a, T, C>(
device: T,
constructor: C,
password: &str,
-) -> Result<User<DeviceWrapper<'a>>, (DeviceWrapper<'a>, Error)>
+) -> Result<User<'a, DeviceWrapper<'a>>, (DeviceWrapper<'a>, Error)>
where
- T: Device,
+ T: Device<'a> + 'a,
C: Fn(T) -> DeviceWrapper<'a>,
{
let result = device.authenticate_user(password);
@@ -190,9 +193,9 @@ fn authenticate_admin_wrapper<'a, T, C>(
device: T,
constructor: C,
password: &str,
-) -> Result<Admin<DeviceWrapper<'a>>, (DeviceWrapper<'a>, Error)>
+) -> Result<Admin<'a, DeviceWrapper<'a>>, (DeviceWrapper<'a>, Error)>
where
- T: Device,
+ T: Device<'a> + 'a,
C: Fn(T) -> DeviceWrapper<'a>,
{
let result = device.authenticate_admin(password);
@@ -202,7 +205,7 @@ where
}
}
-impl<T: Device> User<T> {
+impl<'a, T: Device<'a>> User<'a, T> {
/// Forgets the user authentication and returns an unauthenticated device. This method
/// consumes the authenticated device. It does not perform any actual commands on the
/// Nitrokey.
@@ -211,7 +214,7 @@ impl<T: Device> User<T> {
}
}
-impl<T: Device> ops::Deref for User<T> {
+impl<'a, T: Device<'a>> ops::Deref for User<'a, T> {
type Target = T;
fn deref(&self) -> &Self::Target {
@@ -219,13 +222,13 @@ impl<T: Device> ops::Deref for User<T> {
}
}
-impl<T: Device> ops::DerefMut for User<T> {
+impl<'a, T: Device<'a>> ops::DerefMut for User<'a, T> {
fn deref_mut(&mut self) -> &mut T {
&mut self.device
}
}
-impl<T: Device> GenerateOtp for User<T> {
+impl<'a, T: Device<'a>> GenerateOtp for User<'a, T> {
fn get_hotp_code(&mut self, slot: u8) -> Result<String, Error> {
result_from_string(unsafe {
nitrokey_sys::NK_get_hotp_code_PIN(slot, self.temp_password_ptr())
@@ -239,11 +242,12 @@ impl<T: Device> GenerateOtp for User<T> {
}
}
-impl<T: Device> AuthenticatedDevice<T> for User<T> {
+impl<'a, T: Device<'a>> AuthenticatedDevice<T> for User<'a, T> {
fn new(device: T, temp_password: Vec<u8>) -> Self {
User {
device,
temp_password,
+ marker: marker::PhantomData,
}
}
@@ -252,7 +256,7 @@ impl<T: Device> AuthenticatedDevice<T> for User<T> {
}
}
-impl<T: Device> ops::Deref for Admin<T> {
+impl<'a, T: Device<'a>> ops::Deref for Admin<'a, T> {
type Target = T;
fn deref(&self) -> &Self::Target {
@@ -260,13 +264,13 @@ impl<T: Device> ops::Deref for Admin<T> {
}
}
-impl<T: Device> ops::DerefMut for Admin<T> {
+impl<'a, T: Device<'a>> ops::DerefMut for Admin<'a, T> {
fn deref_mut(&mut self) -> &mut T {
&mut self.device
}
}
-impl<T: Device> Admin<T> {
+impl<'a, T: Device<'a>> Admin<'a, T> {
/// Forgets the user authentication and returns an unauthenticated device. This method
/// consumes the authenticated device. It does not perform any actual commands on the
/// Nitrokey.
@@ -316,7 +320,7 @@ impl<T: Device> Admin<T> {
}
}
-impl<T: Device> ConfigureOtp for Admin<T> {
+impl<'a, T: Device<'a>> ConfigureOtp for Admin<'a, T> {
fn write_hotp_slot(&mut self, data: OtpSlotData, counter: u64) -> Result<(), Error> {
let raw_data = RawOtpSlotData::new(data)?;
get_command_result(unsafe {
@@ -364,11 +368,12 @@ impl<T: Device> ConfigureOtp for Admin<T> {
}
}
-impl<T: Device> AuthenticatedDevice<T> for Admin<T> {
+impl<'a, T: Device<'a>> AuthenticatedDevice<T> for Admin<'a, T> {
fn new(device: T, temp_password: Vec<u8>) -> Self {
Admin {
device,
temp_password,
+ marker: marker::PhantomData,
}
}
@@ -377,8 +382,8 @@ impl<T: Device> AuthenticatedDevice<T> for Admin<T> {
}
}
-impl<'a> Authenticate for DeviceWrapper<'a> {
- fn authenticate_user(self, password: &str) -> Result<User<Self>, (Self, Error)> {
+impl<'a> Authenticate<'a> for DeviceWrapper<'a> {
+ fn authenticate_user(self, password: &str) -> Result<User<'a, Self>, (Self, Error)> {
match self {
DeviceWrapper::Storage(storage) => {
authenticate_user_wrapper(storage, DeviceWrapper::Storage, password)
@@ -387,7 +392,7 @@ impl<'a> Authenticate for DeviceWrapper<'a> {
}
}
- fn authenticate_admin(self, password: &str) -> Result<Admin<Self>, (Self, Error)> {
+ fn authenticate_admin(self, password: &str) -> Result<Admin<'a, Self>, (Self, Error)> {
match self {
DeviceWrapper::Storage(storage) => {
authenticate_admin_wrapper(storage, DeviceWrapper::Storage, password)
@@ -399,28 +404,28 @@ impl<'a> Authenticate for DeviceWrapper<'a> {
}
}
-impl<'a> Authenticate for Pro<'a> {
- fn authenticate_user(self, password: &str) -> Result<User<Self>, (Self, Error)> {
+impl<'a> Authenticate<'a> for Pro<'a> {
+ fn authenticate_user(self, password: &str) -> Result<User<'a, Self>, (Self, Error)> {
authenticate(self, password, |password_ptr, temp_password_ptr| unsafe {
nitrokey_sys::NK_user_authenticate(password_ptr, temp_password_ptr)
})
}
- fn authenticate_admin(self, password: &str) -> Result<Admin<Self>, (Self, Error)> {
+ fn authenticate_admin(self, password: &str) -> Result<Admin<'a, Self>, (Self, Error)> {
authenticate(self, password, |password_ptr, temp_password_ptr| unsafe {
nitrokey_sys::NK_first_authenticate(password_ptr, temp_password_ptr)
})
}
}
-impl<'a> Authenticate for Storage<'a> {
- fn authenticate_user(self, password: &str) -> Result<User<Self>, (Self, Error)> {
+impl<'a> Authenticate<'a> for Storage<'a> {
+ fn authenticate_user(self, password: &str) -> Result<User<'a, Self>, (Self, Error)> {
authenticate(self, password, |password_ptr, temp_password_ptr| unsafe {
nitrokey_sys::NK_user_authenticate(password_ptr, temp_password_ptr)
})
}
- fn authenticate_admin(self, password: &str) -> Result<Admin<Self>, (Self, Error)> {
+ fn authenticate_admin(self, password: &str) -> Result<Admin<'a, Self>, (Self, Error)> {
authenticate(self, password, |password_ptr, temp_password_ptr| unsafe {
nitrokey_sys::NK_first_authenticate(password_ptr, temp_password_ptr)
})
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-18 23:02:13 +0000