diff options
| -rw-r--r-- | src/auth.rs | 389 | ||||
| -rw-r--r-- | src/device.rs | 290 | ||||
| -rw-r--r-- | src/lib.rs | 6 | ||||
| -rw-r--r-- | src/misc.rs | 99 |
4 files changed, 394 insertions, 390 deletions
diff --git a/src/auth.rs b/src/auth.rs new file mode 100644 index 0000000..80abbc0 --- /dev/null +++ b/src/auth.rs @@ -0,0 +1,389 @@ +use config::{Config, RawConfig}; +use device::{Device, DeviceWrapper, Pro}; +use nitrokey_sys; +use std::ffi::CString; +use std::ops::Deref; +use std::os::raw::c_int; +use otp::{ConfigureOtp, GenerateOtp, OtpMode, OtpSlotData, RawOtpSlotData}; +use util::{generate_password, result_from_string, CommandError, CommandStatus}; + +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 { + /// 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. + /// + /// This method generates a random temporary password that is used for all operations that + /// require user access. + /// + /// # Errors + /// + /// - [`InvalidString`][] if the provided user password contains a null byte + /// - [`RngError`][] if the generation of the temporary password failed + /// - [`WrongPassword`][] if the provided user password is wrong + /// + /// # Example + /// + /// ```no_run + /// use nitrokey::{Authenticate, DeviceWrapper, User}; + /// # use nitrokey::CommandError; + /// + /// fn perform_user_task(device: &User<DeviceWrapper>) {} + /// fn perform_other_task(device: &DeviceWrapper) {} + /// + /// # fn try_main() -> Result<(), CommandError> { + /// let device = nitrokey::connect()?; + /// let device = match device.authenticate_user("123456") { + /// Ok(user) => { + /// perform_user_task(&user); + /// user.device() + /// }, + /// Err((device, err)) => { + /// println!("Could not authenticate as user: {:?}", err); + /// device + /// }, + /// }; + /// perform_other_task(&device); + /// # Ok(()) + /// # } + /// ``` + /// + /// [`InvalidString`]: enum.CommandError.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, CommandError)> + where + Self: Device + Sized; + + /// Performs admin authentication. This method consumes the device. If successful, an + /// authenticated device is returned. Otherwise, the current unauthenticated device and the + /// error are returned. + /// + /// This method generates a random temporary password that is used for all operations that + /// require admin access. + /// + /// # Errors + /// + /// - [`InvalidString`][] if the provided admin password contains a null byte + /// - [`RngError`][] if the generation of the temporary password failed + /// - [`WrongPassword`][] if the provided admin password is wrong + /// + /// # Example + /// + /// ```no_run + /// use nitrokey::{Authenticate, Admin, DeviceWrapper}; + /// # use nitrokey::CommandError; + /// + /// fn perform_admin_task(device: &Admin<DeviceWrapper>) {} + /// fn perform_other_task(device: &DeviceWrapper) {} + /// + /// # fn try_main() -> Result<(), CommandError> { + /// let device = nitrokey::connect()?; + /// let device = match device.authenticate_admin("123456") { + /// Ok(admin) => { + /// perform_admin_task(&admin); + /// admin.device() + /// }, + /// Err((device, err)) => { + /// println!("Could not authenticate as admin: {:?}", err); + /// device + /// }, + /// }; + /// perform_other_task(&device); + /// # Ok(()) + /// # } + /// ``` + /// + /// [`InvalidString`]: enum.CommandError.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, CommandError)> + where + Self: Device + Sized; +} + +trait AuthenticatedDevice<T> { + fn new(device: T, temp_password: Vec<u8>) -> Self; +} + +/// A Nitrokey device with user authentication. +/// +/// To obtain an instance of this struct, use the [`authenticate_user`][] method from the +/// [`Authenticate`][] trait. To get back to an unauthenticated device, use the [`device`][] +/// method. +/// +/// [`Authenticate`]: trait.Authenticate.html +/// [`authenticate_admin`]: trait.Authenticate.html#method.authenticate_admin +/// [`device`]: #method.device +#[derive(Debug)] +pub struct User<T: Device> { + device: T, + temp_password: Vec<u8>, +} + +/// A Nitrokey device with admin authentication. +/// +/// To obtain an instance of this struct, use the [`authenticate_admin`][] method from the +/// [`Authenticate`][] trait. To get back to an unauthenticated device, use the [`device`][] +/// method. +/// +/// [`Authenticate`]: trait.Authenticate.html +/// [`authenticate_admin`]: trait.Authenticate.html#method.authenticate_admin +/// [`device`]: #method.device +#[derive(Debug)] +pub struct Admin<T: Device> { + device: T, + temp_password: Vec<u8>, +} + +fn authenticate<D, A, T>(device: D, password: &str, callback: T) -> Result<A, (D, CommandError)> +where + D: Device, + A: AuthenticatedDevice<D>, + T: Fn(*const i8, *const i8) -> c_int, +{ + let temp_password = match generate_password(TEMPORARY_PASSWORD_LENGTH) { + Ok(pw) => pw, + Err(_) => return Err((device, CommandError::RngError)), + }; + let password = CString::new(password); + if password.is_err() { + return Err((device, CommandError::InvalidString)); + } + + let pw = password.unwrap(); + let password_ptr = pw.as_ptr(); + let temp_password_ptr = temp_password.as_ptr() as *const i8; + return match callback(password_ptr, temp_password_ptr) { + 0 => Ok(A::new(device, temp_password)), + rv => Err((device, CommandError::from(rv))), + }; +} + +impl<T: Device> User<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. + pub fn device(self) -> T { + self.device + } +} + +impl<T: Device> Deref for User<T> { + type Target = T; + + fn deref(&self) -> &Self::Target { + &self.device + } +} + +impl<T: Device> GenerateOtp for User<T> { + fn get_hotp_code(&self, slot: u8) -> Result<String, CommandError> { + unsafe { + let temp_password_ptr = self.temp_password.as_ptr() as *const i8; + return result_from_string(nitrokey_sys::NK_get_hotp_code_PIN(slot, temp_password_ptr)); + } + } + + fn get_totp_code(&self, slot: u8) -> Result<String, CommandError> { + unsafe { + let temp_password_ptr = self.temp_password.as_ptr() as *const i8; + return result_from_string(nitrokey_sys::NK_get_totp_code_PIN( + slot, + 0, + 0, + 0, + temp_password_ptr, + )); + } + } +} + +impl<T: Device> AuthenticatedDevice<T> for User<T> { + fn new(device: T, temp_password: Vec<u8>) -> Self { + User { + device, + temp_password, + } + } +} + +impl<T: Device> Deref for Admin<T> { + type Target = T; + + fn deref(&self) -> &Self::Target { + &self.device + } +} + +impl<T: Device> Admin<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. + pub fn device(self) -> T { + self.device + } + + /// Writes the given configuration to the Nitrokey device. + /// + /// # Errors + /// + /// - [`InvalidSlot`][] if the provided numlock, capslock or scrolllock slot is larger than two + /// + /// # Example + /// + /// ```no_run + /// use nitrokey::{Authenticate, Config}; + /// # use nitrokey::CommandError; + /// + /// # fn try_main() -> Result<(), CommandError> { + /// let device = nitrokey::connect()?; + /// let config = Config::new(None, None, None, false); + /// match device.authenticate_admin("12345678") { + /// Ok(admin) => { + /// admin.write_config(config); + /// () + /// }, + /// Err((_, err)) => println!("Could not authenticate as admin: {:?}", err), + /// }; + /// # Ok(()) + /// # } + /// ``` + /// + /// [`InvalidSlot`]: enum.CommandError.html#variant.InvalidSlot + pub fn write_config(&self, config: Config) -> CommandStatus { + let raw_config = match RawConfig::try_from(config) { + Ok(raw_config) => raw_config, + Err(err) => return CommandStatus::Error(err), + }; + unsafe { + let rv = nitrokey_sys::NK_write_config( + raw_config.numlock, + raw_config.capslock, + raw_config.scrollock, + raw_config.user_password, + false, + self.temp_password.as_ptr() as *const i8, + ); + return CommandStatus::from(rv); + } + } + + fn write_otp_slot<C>(&self, data: OtpSlotData, callback: C) -> CommandStatus + where + C: Fn(RawOtpSlotData, *const i8) -> c_int, + { + let raw_data = match RawOtpSlotData::new(data) { + Ok(raw_data) => raw_data, + Err(err) => return CommandStatus::Error(err), + }; + let temp_password_ptr = self.temp_password.as_ptr() as *const i8; + let rv = callback(raw_data, temp_password_ptr); + return CommandStatus::from(rv); + } +} + +impl<T: Device> ConfigureOtp for Admin<T> { + fn write_hotp_slot(&self, data: OtpSlotData, counter: u64) -> CommandStatus { + return self.write_otp_slot(data, |raw_data: RawOtpSlotData, temp_password_ptr| unsafe { + nitrokey_sys::NK_write_hotp_slot( + raw_data.number, + raw_data.name.as_ptr(), + raw_data.secret.as_ptr(), + counter, + raw_data.mode == OtpMode::EightDigits, + raw_data.use_enter, + raw_data.use_token_id, + raw_data.token_id.as_ptr(), + temp_password_ptr, + ) + }); + } + + fn write_totp_slot(&self, data: OtpSlotData, time_window: u16) -> CommandStatus { + return self.write_otp_slot(data, |raw_data: RawOtpSlotData, temp_password_ptr| unsafe { + nitrokey_sys::NK_write_totp_slot( + raw_data.number, + raw_data.name.as_ptr(), + raw_data.secret.as_ptr(), + time_window, + raw_data.mode == OtpMode::EightDigits, + raw_data.use_enter, + raw_data.use_token_id, + raw_data.token_id.as_ptr(), + temp_password_ptr, + ) + }); + } + + fn erase_hotp_slot(&self, slot: u8) -> CommandStatus { + let temp_password_ptr = self.temp_password.as_ptr() as *const i8; + unsafe { CommandStatus::from(nitrokey_sys::NK_erase_hotp_slot(slot, temp_password_ptr)) } + } + + fn erase_totp_slot(&self, slot: u8) -> CommandStatus { + let temp_password_ptr = self.temp_password.as_ptr() as *const i8; + unsafe { CommandStatus::from(nitrokey_sys::NK_erase_totp_slot(slot, temp_password_ptr)) } + } +} + +impl<T: Device> AuthenticatedDevice<T> for Admin<T> { + fn new(device: T, temp_password: Vec<u8>) -> Self { + Admin { + device, + temp_password, + } + } +} + +impl Authenticate for DeviceWrapper { + fn authenticate_user(self, password: &str) -> Result<User<Self>, (Self, CommandError)> { + match self { + DeviceWrapper::Storage(_) => panic!("..."), + DeviceWrapper::Pro(pro) => { + let result = pro.authenticate_user(password); + match result { + Ok(user) => Ok(User::new( + DeviceWrapper::Pro(user.device), + user.temp_password, + )), + Err((pro, err)) => Err((DeviceWrapper::Pro(pro), err)), + } + } + } + } + + fn authenticate_admin(self, password: &str) -> Result<Admin<Self>, (Self, CommandError)> { + match self { + DeviceWrapper::Storage(_) => panic!("..."), + DeviceWrapper::Pro(pro) => { + let result = pro.authenticate_admin(password); + match result { + Ok(admin) => Ok(Admin::new( + DeviceWrapper::Pro(admin.device), + admin.temp_password, + )), + Err((pro, err)) => Err((DeviceWrapper::Pro(pro), err)), + } + } + } + } +} + +impl Authenticate for Pro { + fn authenticate_user(self, password: &str) -> Result<User<Self>, (Self, CommandError)> { + 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, CommandError)> { + authenticate(self, password, |password_ptr, temp_password_ptr| unsafe { + nitrokey_sys::NK_first_authenticate(password_ptr, temp_password_ptr) + }) + } +} diff --git a/src/device.rs b/src/device.rs index 8f7dc00..684f64a 100644 --- a/src/device.rs +++ b/src/device.rs @@ -2,13 +2,8 @@ use config::{Config, RawConfig}; use libc; use nitrokey_sys; use std::ffi::CString; -use std::ops::Deref; -use std::os::raw::c_int; -use misc::Authenticate; -use otp::{ConfigureOtp, GenerateOtp, OtpMode, OtpSlotData, RawOtpSlotData}; -use util::{generate_password, get_last_error, result_from_string, CommandError, CommandStatus}; - -static TEMPORARY_PASSWORD_LENGTH: usize = 25; +use otp::GenerateOtp; +use util::{get_last_error, result_from_string, CommandError, CommandStatus}; /// Available Nitrokey models. #[derive(Debug, PartialEq)] @@ -106,36 +101,6 @@ pub enum DeviceWrapper { #[derive(Debug)] pub struct Pro {} -/// A Nitrokey device with user authentication. -/// -/// To obtain an instance of this struct, use the [`authenticate_user`][] method from the -/// [`Authenticate`][] trait. To get back to an unauthenticated device, use the [`device`][] -/// method. -/// -/// [`Authenticate`]: trait.Authenticate.html -/// [`authenticate_admin`]: trait.Authenticate.html#method.authenticate_admin -/// [`device`]: #method.device -#[derive(Debug)] -pub struct User<T: Device> { - device: T, - temp_password: Vec<u8>, -} - -/// A Nitrokey device with admin authentication. -/// -/// To obtain an instance of this struct, use the [`authenticate_admin`][] method from the -/// [`Authenticate`][] trait. To get back to an unauthenticated device, use the [`device`][] -/// method. -/// -/// [`Authenticate`]: trait.Authenticate.html -/// [`authenticate_admin`]: trait.Authenticate.html#method.authenticate_admin -/// [`device`]: #method.device -#[derive(Debug)] -pub struct Admin<T: Device> { - device: T, - temp_password: Vec<u8>, -} - /// A Nitrokey device. /// /// This trait provides the commands that can be executed without authentication and that are @@ -360,10 +325,6 @@ pub trait Device: GenerateOtp { } } -trait AuthenticatedDevice<T> { - fn new(device: T, temp_password: Vec<u8>) -> Self; -} - /// Connects to a Nitrokey device. This method can be used to connect to any connected device, /// both a Nitrokey Pro and a Nitrokey Storage. /// @@ -433,40 +394,6 @@ impl GenerateOtp for DeviceWrapper { impl Device for DeviceWrapper {} -impl Authenticate for DeviceWrapper { - fn authenticate_user(self, password: &str) -> Result<User<Self>, (Self, CommandError)> { - match self { - DeviceWrapper::Storage(_) => panic!("..."), - DeviceWrapper::Pro(pro) => { - let result = pro.authenticate_user(password); - match result { - Ok(user) => Ok(User::new( - DeviceWrapper::Pro(user.device), - user.temp_password, - )), - Err((pro, err)) => Err((DeviceWrapper::Pro(pro), err)), - } - } - } - } - - fn authenticate_admin(self, password: &str) -> Result<Admin<Self>, (Self, CommandError)> { - match self { - DeviceWrapper::Storage(_) => panic!("..."), - DeviceWrapper::Pro(pro) => { - let result = pro.authenticate_admin(password); - match result { - Ok(admin) => Ok(Admin::new( - DeviceWrapper::Pro(admin.device), - admin.temp_password, - )), - Err((pro, err)) => Err((DeviceWrapper::Pro(pro), err)), - } - } - } - } -} - impl Pro { pub fn connect() -> Result<Pro, CommandError> { // TODO: maybe Option instead of Result? @@ -475,43 +402,6 @@ impl Pro { false => Err(CommandError::Unknown), } } - - fn authenticate<D, T>(self, password: &str, callback: T) -> Result<D, (Self, CommandError)> - where - D: AuthenticatedDevice<Pro>, - T: Fn(*const i8, *const i8) -> c_int, - { - let temp_password = match generate_password(TEMPORARY_PASSWORD_LENGTH) { - Ok(pw) => pw, - Err(_) => return Err((self, CommandError::RngError)), - }; - let password = CString::new(password); - if password.is_err() { - return Err((self, CommandError::InvalidString)); - } - - let pw = password.unwrap(); - let password_ptr = pw.as_ptr(); - let temp_password_ptr = temp_password.as_ptr() as *const i8; - return match callback(password_ptr, temp_password_ptr) { - 0 => Ok(D::new(self, temp_password)), - rv => Err((self, CommandError::from(rv))), - }; - } -} - -impl Authenticate for Pro { - fn authenticate_user(self, password: &str) -> Result<User<Self>, (Self, CommandError)> { - return self.authenticate(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, CommandError)> { - return self.authenticate(password, |password_ptr, temp_password_ptr| unsafe { - nitrokey_sys::NK_first_authenticate(password_ptr, temp_password_ptr) - }); - } } impl Drop for Pro { @@ -525,179 +415,3 @@ impl Drop for Pro { impl Device for Pro {} impl GenerateOtp for Pro {} - -impl<T: Device> User<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. - pub fn device(self) -> T { - self.device - } -} - -impl<T: Device> Deref for User<T> { - type Target = T; - - fn deref(&self) -> &Self::Target { - &self.device - } -} - -impl<T: Device> GenerateOtp for User<T> { - fn get_hotp_code(&self, slot: u8) -> Result<String, CommandError> { - unsafe { - let temp_password_ptr = self.temp_password.as_ptr() as *const i8; - return result_from_string(nitrokey_sys::NK_get_hotp_code_PIN(slot, temp_password_ptr)); - } - } - - fn get_totp_code(&self, slot: u8) -> Result<String, CommandError> { - unsafe { - let temp_password_ptr = self.temp_password.as_ptr() as *const i8; - return result_from_string(nitrokey_sys::NK_get_totp_code_PIN( - slot, - 0, - 0, - 0, - temp_password_ptr, - )); - } - } -} - -impl<T: Device> AuthenticatedDevice<T> for User<T> { - fn new(device: T, temp_password: Vec<u8>) -> Self { - User { - device, - temp_password, - } - } -} - -impl<T: Device> Deref for Admin<T> { - type Target = T; - - fn deref(&self) -> &Self::Target { - &self.device - } -} - -impl<T: Device> Admin<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. - pub fn device(self) -> T { - self.device - } - - /// Writes the given configuration to the Nitrokey device. - /// - /// # Errors - /// - /// - [`InvalidSlot`][] if the provided numlock, capslock or scrolllock slot is larger than two - /// - /// # Example - /// - /// ```no_run - /// use nitrokey::{Authenticate, Config}; - /// # use nitrokey::CommandError; - /// - /// # fn try_main() -> Result<(), CommandError> { - /// let device = nitrokey::connect()?; - /// let config = Config::new(None, None, None, false); - /// match device.authenticate_admin("12345678") { - /// Ok(admin) => { - /// admin.write_config(config); - /// () - /// }, - /// Err((_, err)) => println!("Could not authenticate as admin: {:?}", err), - /// }; - /// # Ok(()) - /// # } - /// ``` - /// - /// [`InvalidSlot`]: enum.CommandError.html#variant.InvalidSlot - pub fn write_config(&self, config: Config) -> CommandStatus { - let raw_config = match RawConfig::try_from(config) { - Ok(raw_config) => raw_config, - Err(err) => return CommandStatus::Error(err), - }; - unsafe { - let rv = nitrokey_sys::NK_write_config( - raw_config.numlock, - raw_config.capslock, - raw_config.scrollock, - raw_config.user_password, - false, - self.temp_password.as_ptr() as *const i8, - ); - return CommandStatus::from(rv); - } - } - - fn write_otp_slot<C>(&self, data: OtpSlotData, callback: C) -> CommandStatus - where - C: Fn(RawOtpSlotData, *const i8) -> c_int, - { - let raw_data = match RawOtpSlotData::new(data) { - Ok(raw_data) => raw_data, - Err(err) => return CommandStatus::Error(err), - }; - let temp_password_ptr = self.temp_password.as_ptr() as *const i8; - let rv = callback(raw_data, temp_password_ptr); - return CommandStatus::from(rv); - } -} - -impl<T: Device> ConfigureOtp for Admin<T> { - fn write_hotp_slot(&self, data: OtpSlotData, counter: u64) -> CommandStatus { - return self.write_otp_slot(data, |raw_data: RawOtpSlotData, temp_password_ptr| unsafe { - nitrokey_sys::NK_write_hotp_slot( - raw_data.number, - raw_data.name.as_ptr(), - raw_data.secret.as_ptr(), - counter, - raw_data.mode == OtpMode::EightDigits, - raw_data.use_enter, - raw_data.use_token_id, - raw_data.token_id.as_ptr(), - temp_password_ptr, - ) - }); - } - - fn write_totp_slot(&self, data: OtpSlotData, time_window: u16) -> CommandStatus { - return self.write_otp_slot(data, |raw_data: RawOtpSlotData, temp_password_ptr| unsafe { - nitrokey_sys::NK_write_totp_slot( - raw_data.number, - raw_data.name.as_ptr(), - raw_data.secret.as_ptr(), - time_window, - raw_data.mode == OtpMode::EightDigits, - raw_data.use_enter, - raw_data.use_token_id, - raw_data.token_id.as_ptr(), - temp_password_ptr, - ) - }); - } - - fn erase_hotp_slot(&self, slot: u8) -> CommandStatus { - let temp_password_ptr = self.temp_password.as_ptr() as *const i8; - unsafe { CommandStatus::from(nitrokey_sys::NK_erase_hotp_slot(slot, temp_password_ptr)) } - } - - fn erase_totp_slot(&self, slot: u8) -> CommandStatus { - let temp_password_ptr = self.temp_password.as_ptr() as *const i8; - unsafe { CommandStatus::from(nitrokey_sys::NK_erase_totp_slot(slot, temp_password_ptr)) } - } -} - -impl<T: Device> AuthenticatedDevice<T> for Admin<T> { - fn new(device: T, temp_password: Vec<u8>) -> Self { - Admin { - device, - temp_password, - } - } -} @@ -87,17 +87,17 @@ extern crate libc; extern crate nitrokey_sys; extern crate rand; +mod auth; mod config; mod device; -mod misc; mod otp; mod util; #[cfg(test)] mod tests; pub use config::Config; -pub use device::{connect, Admin, Device, DeviceWrapper, Pro, User}; -pub use misc::Authenticate; +pub use device::{connect, Device, DeviceWrapper, Pro}; +pub use auth::{Admin, Authenticate, User}; pub use otp::{ConfigureOtp, GenerateOtp, OtpMode, OtpSlotData}; pub use util::{CommandError, CommandStatus, LogLevel}; diff --git a/src/misc.rs b/src/misc.rs deleted file mode 100644 index 16d5884..0000000 --- a/src/misc.rs +++ /dev/null @@ -1,99 +0,0 @@ -use device::{Admin, Device, User}; -use util::CommandError; - -/// 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 { - /// 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. - /// - /// This method generates a random temporary password that is used for all operations that - /// require user access. - /// - /// # Errors - /// - /// - [`InvalidString`][] if the provided user password contains a null byte - /// - [`RngError`][] if the generation of the temporary password failed - /// - [`WrongPassword`][] if the provided user password is wrong - /// - /// # Example - /// - /// ```no_run - /// use nitrokey::{Authenticate, DeviceWrapper, User}; - /// # use nitrokey::CommandError; - /// - /// fn perform_user_task(device: &User<DeviceWrapper>) {} - /// fn perform_other_task(device: &DeviceWrapper) {} - /// - /// # fn try_main() -> Result<(), CommandError> { - /// let device = nitrokey::connect()?; - /// let device = match device.authenticate_user("123456") { - /// Ok(user) => { - /// perform_user_task(&user); - /// user.device() - /// }, - /// Err((device, err)) => { - /// println!("Could not authenticate as user: {:?}", err); - /// device - /// }, - /// }; - /// perform_other_task(&device); - /// # Ok(()) - /// # } - /// ``` - /// - /// [`InvalidString`]: enum.CommandError.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, CommandError)> - where - Self: Device + Sized; - - /// Performs admin authentication. This method consumes the device. If successful, an - /// authenticated device is returned. Otherwise, the current unauthenticated device and the - /// error are returned. - /// - /// This method generates a random temporary password that is used for all operations that - /// require admin access. - /// - /// # Errors - /// - /// - [`InvalidString`][] if the provided admin password contains a null byte - /// - [`RngError`][] if the generation of the temporary password failed - /// - [`WrongPassword`][] if the provided admin password is wrong - /// - /// # Example - /// - /// ```no_run - /// use nitrokey::{Authenticate, Admin, DeviceWrapper}; - /// # use nitrokey::CommandError; - /// - /// fn perform_admin_task(device: &Admin<DeviceWrapper>) {} - /// fn perform_other_task(device: &DeviceWrapper) {} - /// - /// # fn try_main() -> Result<(), CommandError> { - /// let device = nitrokey::connect()?; - /// let device = match device.authenticate_admin("123456") { - /// Ok(admin) => { - /// perform_admin_task(&admin); - /// admin.device() - /// }, - /// Err((device, err)) => { - /// println!("Could not authenticate as admin: {:?}", err); - /// device - /// }, - /// }; - /// perform_other_task(&device); - /// # Ok(()) - /// # } - /// ``` - /// - /// [`InvalidString`]: enum.CommandError.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, CommandError)> - where - Self: Device + Sized; -} |