diff options
Diffstat (limited to 'nitrokey/src')
| -rw-r--r-- | nitrokey/src/auth.rs | 38 | ||||
| -rw-r--r-- | nitrokey/src/device.rs | 242 | ||||
| -rw-r--r-- | nitrokey/src/lib.rs | 10 | ||||
| -rw-r--r-- | nitrokey/src/otp.rs | 54 | ||||
| -rw-r--r-- | nitrokey/src/pws.rs | 39 | ||||
| -rw-r--r-- | nitrokey/src/util.rs | 4 |
6 files changed, 225 insertions, 162 deletions
diff --git a/nitrokey/src/auth.rs b/nitrokey/src/auth.rs index 18b6572..f9f50fa 100644 --- a/nitrokey/src/auth.rs +++ b/nitrokey/src/auth.rs @@ -1,7 +1,7 @@ // Copyright (C) 2018-2019 Robin Krahl <robin.krahl@ireas.org> // SPDX-License-Identifier: MIT -use std::ops::Deref; +use std::ops; use std::os::raw::c_char; use std::os::raw::c_int; @@ -49,7 +49,7 @@ pub trait Authenticate { /// user.device() /// }, /// Err((device, err)) => { - /// println!("Could not authenticate as user: {}", err); + /// eprintln!("Could not authenticate as user: {}", err); /// device /// }, /// }; @@ -95,7 +95,7 @@ pub trait Authenticate { /// admin.device() /// }, /// Err((device, err)) => { - /// println!("Could not authenticate as admin: {}", err); + /// eprintln!("Could not authenticate as admin: {}", err); /// device /// }, /// }; @@ -211,7 +211,7 @@ impl<T: Device> User<T> { } } -impl<T: Device> Deref for User<T> { +impl<T: Device> ops::Deref for User<T> { type Target = T; fn deref(&self) -> &Self::Target { @@ -219,8 +219,14 @@ impl<T: Device> Deref for User<T> { } } +impl<T: Device> ops::DerefMut for User<T> { + fn deref_mut(&mut self) -> &mut T { + &mut self.device + } +} + impl<T: Device> GenerateOtp for User<T> { - fn get_hotp_code(&self, slot: u8) -> Result<String, Error> { + 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()) }) @@ -246,7 +252,7 @@ impl<T: Device> AuthenticatedDevice<T> for User<T> { } } -impl<T: Device> Deref for Admin<T> { +impl<T: Device> ops::Deref for Admin<T> { type Target = T; fn deref(&self) -> &Self::Target { @@ -254,6 +260,12 @@ impl<T: Device> Deref for Admin<T> { } } +impl<T: Device> ops::DerefMut for Admin<T> { + fn deref_mut(&mut self) -> &mut T { + &mut 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 @@ -278,18 +290,18 @@ impl<T: Device> Admin<T> { /// let device = nitrokey::connect()?; /// let config = Config::new(None, None, None, false); /// match device.authenticate_admin("12345678") { - /// Ok(admin) => { + /// Ok(mut admin) => { /// admin.write_config(config); /// () /// }, - /// Err((_, err)) => println!("Could not authenticate as admin: {}", err), + /// Err((_, err)) => eprintln!("Could not authenticate as admin: {}", err), /// }; /// # Ok(()) /// # } /// ``` /// /// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot - pub fn write_config(&self, config: Config) -> Result<(), Error> { + pub fn write_config(&mut self, config: Config) -> Result<(), Error> { let raw_config = RawConfig::try_from(config)?; get_command_result(unsafe { nitrokey_sys::NK_write_config( @@ -305,7 +317,7 @@ impl<T: Device> Admin<T> { } impl<T: Device> ConfigureOtp for Admin<T> { - fn write_hotp_slot(&self, data: OtpSlotData, counter: u64) -> Result<(), Error> { + fn write_hotp_slot(&mut self, data: OtpSlotData, counter: u64) -> Result<(), Error> { let raw_data = RawOtpSlotData::new(data)?; get_command_result(unsafe { nitrokey_sys::NK_write_hotp_slot( @@ -322,7 +334,7 @@ impl<T: Device> ConfigureOtp for Admin<T> { }) } - fn write_totp_slot(&self, data: OtpSlotData, time_window: u16) -> Result<(), Error> { + fn write_totp_slot(&mut self, data: OtpSlotData, time_window: u16) -> Result<(), Error> { let raw_data = RawOtpSlotData::new(data)?; get_command_result(unsafe { nitrokey_sys::NK_write_totp_slot( @@ -339,13 +351,13 @@ impl<T: Device> ConfigureOtp for Admin<T> { }) } - fn erase_hotp_slot(&self, slot: u8) -> Result<(), Error> { + fn erase_hotp_slot(&mut self, slot: u8) -> Result<(), Error> { get_command_result(unsafe { nitrokey_sys::NK_erase_hotp_slot(slot, self.temp_password_ptr()) }) } - fn erase_totp_slot(&self, slot: u8) -> Result<(), Error> { + fn erase_totp_slot(&mut self, slot: u8) -> Result<(), Error> { get_command_result(unsafe { nitrokey_sys::NK_erase_totp_slot(slot, self.temp_password_ptr()) }) diff --git a/nitrokey/src/device.rs b/nitrokey/src/device.rs index 386ce94..f6492cd 100644 --- a/nitrokey/src/device.rs +++ b/nitrokey/src/device.rs @@ -12,7 +12,9 @@ use crate::config::{Config, RawConfig}; use crate::error::{CommunicationError, Error}; use crate::otp::GenerateOtp; use crate::pws::GetPasswordSafe; -use crate::util::{get_command_result, get_cstring, get_last_error, result_from_string}; +use crate::util::{ + get_command_result, get_cstring, get_last_error, result_from_string, result_or_error, +}; /// Available Nitrokey models. #[derive(Clone, Copy, Debug, PartialEq)] @@ -76,7 +78,7 @@ impl fmt::Display for VolumeMode { /// user.device() /// }, /// Err((device, err)) => { -/// println!("Could not authenticate as user: {}", err); +/// eprintln!("Could not authenticate as user: {}", err); /// device /// }, /// }; @@ -140,7 +142,7 @@ pub enum DeviceWrapper { /// user.device() /// }, /// Err((device, err)) => { -/// println!("Could not authenticate as user: {}", err); +/// eprintln!("Could not authenticate as user: {}", err); /// device /// }, /// }; @@ -186,7 +188,7 @@ pub struct Pro { /// user.device() /// }, /// Err((device, err)) => { -/// println!("Could not authenticate as user: {}", err); +/// eprintln!("Could not authenticate as user: {}", err); /// device /// }, /// }; @@ -323,7 +325,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// let device = nitrokey::connect()?; /// match device.get_serial_number() { /// Ok(number) => println!("serial no: {}", number), - /// Err(err) => println!("Could not get serial number: {}", err), + /// Err(err) => eprintln!("Could not get serial number: {}", err), /// }; /// # Ok(()) /// # } @@ -343,13 +345,15 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// /// # fn try_main() -> Result<(), Error> { /// let device = nitrokey::connect()?; - /// let count = device.get_user_retry_count(); - /// println!("{} remaining authentication attempts (user)", count); + /// match device.get_user_retry_count() { + /// Ok(count) => println!("{} remaining authentication attempts (user)", count), + /// Err(err) => eprintln!("Could not get user retry count: {}", err), + /// } /// # Ok(()) /// # } /// ``` - fn get_user_retry_count(&self) -> u8 { - unsafe { nitrokey_sys::NK_get_user_retry_count() } + fn get_user_retry_count(&self) -> Result<u8, Error> { + result_or_error(unsafe { nitrokey_sys::NK_get_user_retry_count() }) } /// Returns the number of remaining authentication attempts for the admin. The total number of @@ -364,15 +368,18 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// # fn try_main() -> Result<(), Error> { /// let device = nitrokey::connect()?; /// let count = device.get_admin_retry_count(); - /// println!("{} remaining authentication attempts (admin)", count); + /// match device.get_admin_retry_count() { + /// Ok(count) => println!("{} remaining authentication attempts (admin)", count), + /// Err(err) => eprintln!("Could not get admin retry count: {}", err), + /// } /// # Ok(()) /// # } /// ``` - fn get_admin_retry_count(&self) -> u8 { - unsafe { nitrokey_sys::NK_get_admin_retry_count() } + fn get_admin_retry_count(&self) -> Result<u8, Error> { + result_or_error(unsafe { nitrokey_sys::NK_get_admin_retry_count() }) } - /// Returns the major part of the firmware version (should be zero). + /// Returns the firmware version. /// /// # Example /// @@ -382,37 +389,24 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// /// # fn try_main() -> Result<(), Error> { /// let device = nitrokey::connect()?; - /// println!( - /// "Firmware version: {}.{}", - /// device.get_major_firmware_version(), - /// device.get_minor_firmware_version(), - /// ); + /// match device.get_firmware_version() { + /// Ok(version) => println!("Firmware version: {}", version), + /// Err(err) => eprintln!("Could not access firmware version: {}", err), + /// }; /// # Ok(()) /// # } /// ``` - fn get_major_firmware_version(&self) -> i32 { - unsafe { nitrokey_sys::NK_get_major_firmware_version() } - } - - /// Returns the minor part of the firmware version (for example 8 for version 0.8). - /// - /// # Example - /// - /// ```no_run - /// use nitrokey::Device; - /// # use nitrokey::Error; - /// - /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; - /// println!( - /// "Firmware version: {}.{}", - /// device.get_major_firmware_version(), - /// device.get_minor_firmware_version(), - /// ); - /// # Ok(()) - /// # } - fn get_minor_firmware_version(&self) -> i32 { - unsafe { nitrokey_sys::NK_get_minor_firmware_version() } + fn get_firmware_version(&self) -> Result<FirmwareVersion, Error> { + let major = result_or_error(unsafe { nitrokey_sys::NK_get_major_firmware_version() })?; + let minor = result_or_error(unsafe { nitrokey_sys::NK_get_minor_firmware_version() })?; + let max = i32::from(u8::max_value()); + if major < 0 || minor < 0 || major > max || minor > max { + return Err(Error::UnexpectedError); + } + Ok(FirmwareVersion { + major: major as u8, + minor: minor as u8, + }) } /// Returns the current configuration of the Nitrokey device. @@ -458,10 +452,10 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// match device.change_admin_pin("12345678", "12345679") { /// Ok(()) => println!("Updated admin PIN."), - /// Err(err) => println!("Failed to update admin PIN: {}", err), + /// Err(err) => eprintln!("Failed to update admin PIN: {}", err), /// }; /// # Ok(()) /// # } @@ -469,7 +463,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword - fn change_admin_pin(&self, current: &str, new: &str) -> Result<(), Error> { + fn change_admin_pin(&mut self, current: &str, new: &str) -> Result<(), Error> { let current_string = get_cstring(current)?; let new_string = get_cstring(new)?; get_command_result(unsafe { @@ -491,10 +485,10 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// match device.change_user_pin("123456", "123457") { /// Ok(()) => println!("Updated admin PIN."), - /// Err(err) => println!("Failed to update admin PIN: {}", err), + /// Err(err) => eprintln!("Failed to update admin PIN: {}", err), /// }; /// # Ok(()) /// # } @@ -502,7 +496,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword - fn change_user_pin(&self, current: &str, new: &str) -> Result<(), Error> { + fn change_user_pin(&mut self, current: &str, new: &str) -> Result<(), Error> { let current_string = get_cstring(current)?; let new_string = get_cstring(new)?; get_command_result(unsafe { @@ -524,10 +518,10 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// match device.unlock_user_pin("12345678", "123456") { /// Ok(()) => println!("Unlocked user PIN."), - /// Err(err) => println!("Failed to unlock user PIN: {}", err), + /// Err(err) => eprintln!("Failed to unlock user PIN: {}", err), /// }; /// # Ok(()) /// # } @@ -535,7 +529,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword - fn unlock_user_pin(&self, admin_pin: &str, user_pin: &str) -> Result<(), Error> { + fn unlock_user_pin(&mut self, admin_pin: &str, user_pin: &str) -> Result<(), Error> { let admin_pin_string = get_cstring(admin_pin)?; let user_pin_string = get_cstring(user_pin)?; get_command_result(unsafe { @@ -558,15 +552,15 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// match device.lock() { /// Ok(()) => println!("Locked the Nitrokey device."), - /// Err(err) => println!("Could not lock the Nitrokey device: {}", err), + /// Err(err) => eprintln!("Could not lock the Nitrokey device: {}", err), /// }; /// # Ok(()) /// # } /// ``` - fn lock(&self) -> Result<(), Error> { + fn lock(&mut self) -> Result<(), Error> { get_command_result(unsafe { nitrokey_sys::NK_lock_device() }) } @@ -589,17 +583,17 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// match device.factory_reset("12345678") { /// Ok(()) => println!("Performed a factory reset."), - /// Err(err) => println!("Could not perform a factory reset: {}", err), + /// Err(err) => eprintln!("Could not perform a factory reset: {}", err), /// }; /// # Ok(()) /// # } /// ``` /// /// [`build_aes_key`]: #method.build_aes_key - fn factory_reset(&self, admin_pin: &str) -> Result<(), Error> { + fn factory_reset(&mut self, admin_pin: &str) -> Result<(), Error> { let admin_pin_string = get_cstring(admin_pin)?; get_command_result(unsafe { nitrokey_sys::NK_factory_reset(admin_pin_string.as_ptr()) }) } @@ -623,17 +617,17 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// match device.build_aes_key("12345678") { /// Ok(()) => println!("New AES keys have been built."), - /// Err(err) => println!("Could not build new AES keys: {}", err), + /// Err(err) => eprintln!("Could not build new AES keys: {}", err), /// }; /// # Ok(()) /// # } /// ``` /// /// [`factory_reset`]: #method.factory_reset - fn build_aes_key(&self, admin_pin: &str) -> Result<(), Error> { + fn build_aes_key(&mut self, admin_pin: &str) -> Result<(), Error> { let admin_pin_string = get_cstring(admin_pin)?; get_command_result(unsafe { nitrokey_sys::NK_build_aes_key(admin_pin_string.as_ptr()) }) } @@ -655,7 +649,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug { /// /// match nitrokey::connect() { /// Ok(device) => do_something(device), -/// Err(err) => println!("Could not connect to a Nitrokey: {}", err), +/// Err(err) => eprintln!("Could not connect to a Nitrokey: {}", err), /// } /// ``` /// @@ -687,7 +681,7 @@ pub fn connect() -> Result<DeviceWrapper, Error> { /// /// match nitrokey::connect_model(Model::Pro) { /// Ok(device) => do_something(device), -/// Err(err) => println!("Could not connect to a Nitrokey Pro: {}", err), +/// Err(err) => eprintln!("Could not connect to a Nitrokey Pro: {}", err), /// } /// ``` /// @@ -734,6 +728,13 @@ impl DeviceWrapper { DeviceWrapper::Pro(ref pro) => pro, } } + + fn device_mut(&mut self) -> &mut dyn Device { + match *self { + DeviceWrapper::Storage(ref mut storage) => storage, + DeviceWrapper::Pro(ref mut pro) => pro, + } + } } impl From<Pro> for DeviceWrapper { @@ -757,8 +758,8 @@ impl GenerateOtp for DeviceWrapper { self.device().get_totp_slot_name(slot) } - fn get_hotp_code(&self, slot: u8) -> Result<String, Error> { - self.device().get_hotp_code(slot) + fn get_hotp_code(&mut self, slot: u8) -> Result<String, Error> { + self.device_mut().get_hotp_code(slot) } fn get_totp_code(&self, slot: u8) -> Result<String, Error> { @@ -791,7 +792,7 @@ impl Pro { /// /// match nitrokey::Pro::connect() { /// Ok(device) => use_pro(device), - /// Err(err) => println!("Could not connect to the Nitrokey Pro: {}", err), + /// Err(err) => eprintln!("Could not connect to the Nitrokey Pro: {}", err), /// } /// ``` /// @@ -844,7 +845,7 @@ impl Storage { /// /// match nitrokey::Storage::connect() { /// Ok(device) => use_storage(device), - /// Err(err) => println!("Could not connect to the Nitrokey Storage: {}", err), + /// Err(err) => eprintln!("Could not connect to the Nitrokey Storage: {}", err), /// } /// ``` /// @@ -881,10 +882,10 @@ impl Storage { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::Storage::connect()?; + /// let mut device = nitrokey::Storage::connect()?; /// match device.change_update_pin("12345678", "87654321") { /// Ok(()) => println!("Updated update PIN."), - /// Err(err) => println!("Failed to update update PIN: {}", err), + /// Err(err) => eprintln!("Failed to update update PIN: {}", err), /// }; /// # Ok(()) /// # } @@ -892,7 +893,7 @@ impl Storage { /// /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword - pub fn change_update_pin(&self, current: &str, new: &str) -> Result<(), Error> { + pub fn change_update_pin(&mut self, current: &str, new: &str) -> Result<(), Error> { let current_string = get_cstring(current)?; let new_string = get_cstring(new)?; get_command_result(unsafe { @@ -918,10 +919,10 @@ impl Storage { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::Storage::connect()?; + /// let mut device = nitrokey::Storage::connect()?; /// match device.enable_firmware_update("12345678") { /// Ok(()) => println!("Nitrokey entered update mode."), - /// Err(err) => println!("Could not enter update mode: {}", err), + /// Err(err) => eprintln!("Could not enter update mode: {}", err), /// }; /// # Ok(()) /// # } @@ -929,7 +930,7 @@ impl Storage { /// /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword - pub fn enable_firmware_update(&self, update_pin: &str) -> Result<(), Error> { + pub fn enable_firmware_update(&mut self, update_pin: &str) -> Result<(), Error> { let update_pin_string = get_cstring(update_pin)?; get_command_result(unsafe { nitrokey_sys::NK_enable_firmware_update(update_pin_string.as_ptr()) @@ -952,10 +953,10 @@ impl Storage { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::Storage::connect()?; + /// let mut device = nitrokey::Storage::connect()?; /// match device.enable_encrypted_volume("123456") { /// Ok(()) => println!("Enabled the encrypted volume."), - /// Err(err) => println!("Could not enable the encrypted volume: {}", err), + /// Err(err) => eprintln!("Could not enable the encrypted volume: {}", err), /// }; /// # Ok(()) /// # } @@ -963,7 +964,7 @@ impl Storage { /// /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword - pub fn enable_encrypted_volume(&self, user_pin: &str) -> Result<(), Error> { + pub fn enable_encrypted_volume(&mut self, user_pin: &str) -> Result<(), Error> { let user_pin = get_cstring(user_pin)?; get_command_result(unsafe { nitrokey_sys::NK_unlock_encrypted_volume(user_pin.as_ptr()) }) } @@ -981,7 +982,7 @@ impl Storage { /// fn use_volume() {} /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::Storage::connect()?; + /// let mut device = nitrokey::Storage::connect()?; /// match device.enable_encrypted_volume("123456") { /// Ok(()) => { /// println!("Enabled the encrypted volume."); @@ -989,16 +990,16 @@ impl Storage { /// match device.disable_encrypted_volume() { /// Ok(()) => println!("Disabled the encrypted volume."), /// Err(err) => { - /// println!("Could not disable the encrypted volume: {}", err); + /// eprintln!("Could not disable the encrypted volume: {}", err); /// }, /// }; /// }, - /// Err(err) => println!("Could not enable the encrypted volume: {}", err), + /// Err(err) => eprintln!("Could not enable the encrypted volume: {}", err), /// }; /// # Ok(()) /// # } /// ``` - pub fn disable_encrypted_volume(&self) -> Result<(), Error> { + pub fn disable_encrypted_volume(&mut self) -> Result<(), Error> { get_command_result(unsafe { nitrokey_sys::NK_lock_encrypted_volume() }) } @@ -1027,11 +1028,11 @@ impl Storage { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::Storage::connect()?; + /// let mut device = nitrokey::Storage::connect()?; /// device.enable_encrypted_volume("123445")?; /// match device.enable_hidden_volume("hidden-pw") { /// Ok(()) => println!("Enabled a hidden volume."), - /// Err(err) => println!("Could not enable the hidden volume: {}", err), + /// Err(err) => eprintln!("Could not enable the hidden volume: {}", err), /// }; /// # Ok(()) /// # } @@ -1040,7 +1041,7 @@ impl Storage { /// [`enable_encrypted_volume`]: #method.enable_encrypted_volume /// [`AesDecryptionFailed`]: enum.CommandError.html#variant.AesDecryptionFailed /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString - pub fn enable_hidden_volume(&self, volume_password: &str) -> Result<(), Error> { + pub fn enable_hidden_volume(&mut self, volume_password: &str) -> Result<(), Error> { let volume_password = get_cstring(volume_password)?; get_command_result(unsafe { nitrokey_sys::NK_unlock_hidden_volume(volume_password.as_ptr()) @@ -1060,7 +1061,7 @@ impl Storage { /// fn use_volume() {} /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::Storage::connect()?; + /// let mut device = nitrokey::Storage::connect()?; /// device.enable_encrypted_volume("123445")?; /// match device.enable_hidden_volume("hidden-pw") { /// Ok(()) => { @@ -1069,16 +1070,16 @@ impl Storage { /// match device.disable_hidden_volume() { /// Ok(()) => println!("Disabled the hidden volume."), /// Err(err) => { - /// println!("Could not disable the hidden volume: {}", err); + /// eprintln!("Could not disable the hidden volume: {}", err); /// }, /// }; /// }, - /// Err(err) => println!("Could not enable the hidden volume: {}", err), + /// Err(err) => eprintln!("Could not enable the hidden volume: {}", err), /// }; /// # Ok(()) /// # } /// ``` - pub fn disable_hidden_volume(&self) -> Result<(), Error> { + pub fn disable_hidden_volume(&mut self) -> Result<(), Error> { get_command_result(unsafe { nitrokey_sys::NK_lock_hidden_volume() }) } @@ -1107,7 +1108,7 @@ impl Storage { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::Storage::connect()?; + /// let mut device = nitrokey::Storage::connect()?; /// device.enable_encrypted_volume("123445")?; /// device.create_hidden_volume(0, 0, 100, "hidden-pw")?; /// # Ok(()) @@ -1117,7 +1118,7 @@ impl Storage { /// [`AesDecryptionFailed`]: enum.CommandError.html#variant.AesDecryptionFailed /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString pub fn create_hidden_volume( - &self, + &mut self, slot: u8, start: u8, end: u8, @@ -1147,10 +1148,10 @@ impl Storage { /// use nitrokey::VolumeMode; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::Storage::connect()?; - /// match device.set_unencrypted_volume_mode("123456", VolumeMode::ReadWrite) { + /// let mut device = nitrokey::Storage::connect()?; + /// match device.set_unencrypted_volume_mode("12345678", VolumeMode::ReadWrite) { /// Ok(()) => println!("Set the unencrypted volume to read-write mode."), - /// Err(err) => println!("Could not set the unencrypted volume to read-write mode: {}", err), + /// Err(err) => eprintln!("Could not set the unencrypted volume to read-write mode: {}", err), /// }; /// # Ok(()) /// # } @@ -1159,7 +1160,7 @@ impl Storage { /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword pub fn set_unencrypted_volume_mode( - &self, + &mut self, admin_pin: &str, mode: VolumeMode, ) -> Result<(), Error> { @@ -1175,6 +1176,51 @@ impl Storage { get_command_result(result) } + /// Sets the access mode of the encrypted volume. + /// + /// This command will reconnect the encrypted volume so buffers should be flushed before + /// calling it. It is only available in firmware version 0.49. + /// + /// # Errors + /// + /// - [`InvalidString`][] if the provided password contains a null byte + /// - [`WrongPassword`][] if the provided admin password is wrong + /// + /// # Example + /// + /// ```no_run + /// # use nitrokey::Error; + /// use nitrokey::VolumeMode; + /// + /// # fn try_main() -> Result<(), Error> { + /// let mut device = nitrokey::Storage::connect()?; + /// match device.set_encrypted_volume_mode("12345678", VolumeMode::ReadWrite) { + /// Ok(()) => println!("Set the encrypted volume to read-write mode."), + /// Err(err) => eprintln!("Could not set the encrypted volume to read-write mode: {}", err), + /// }; + /// # Ok(()) + /// # } + /// ``` + /// + /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString + /// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword + pub fn set_encrypted_volume_mode( + &mut self, + admin_pin: &str, + mode: VolumeMode, + ) -> Result<(), Error> { + let admin_pin = get_cstring(admin_pin)?; + let result = match mode { + VolumeMode::ReadOnly => unsafe { + nitrokey_sys::NK_set_encrypted_read_only(admin_pin.as_ptr()) + }, + VolumeMode::ReadWrite => unsafe { + nitrokey_sys::NK_set_encrypted_read_write(admin_pin.as_ptr()) + }, + }; + get_command_result(result) + } + /// Returns the status of the connected storage device. /// /// # Example @@ -1190,7 +1236,7 @@ impl Storage { /// Ok(status) => { /// println!("SD card ID: {:#x}", status.serial_number_sd_card); /// }, - /// Err(err) => println!("Could not get Storage status: {}", err), + /// Err(err) => eprintln!("Could not get Storage status: {}", err), /// }; /// # Ok(()) /// # } @@ -1234,7 +1280,7 @@ impl Storage { /// println!("SD card ID: {:#x}", data.sd_card.serial_number); /// println!("SD card size: {} GB", data.sd_card.size); /// }, - /// Err(err) => println!("Could not get Storage production info: {}", err), + /// Err(err) => eprintln!("Could not get Storage production info: {}", err), /// }; /// # Ok(()) /// # } @@ -1276,10 +1322,10 @@ impl Storage { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::Storage::connect()?; + /// let mut device = nitrokey::Storage::connect()?; /// match device.clear_new_sd_card_warning("12345678") { /// Ok(()) => println!("Cleared the new SD card warning."), - /// Err(err) => println!("Could not set the clear the new SD card warning: {}", err), + /// Err(err) => eprintln!("Could not set the clear the new SD card warning: {}", err), /// }; /// # Ok(()) /// # } @@ -1287,7 +1333,7 @@ impl Storage { /// /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword - pub fn clear_new_sd_card_warning(&self, admin_pin: &str) -> Result<(), Error> { + pub fn clear_new_sd_card_warning(&mut self, admin_pin: &str) -> Result<(), Error> { let admin_pin = get_cstring(admin_pin)?; get_command_result(unsafe { nitrokey_sys::NK_clear_new_sd_card_warning(admin_pin.as_ptr()) @@ -1295,7 +1341,7 @@ impl Storage { } /// Blinks the red and green LED alternatively and infinitely until the device is reconnected. - pub fn wink(&self) -> Result<(), Error> { + pub fn wink(&mut self) -> Result<(), Error> { get_command_result(unsafe { nitrokey_sys::NK_wink() }) } @@ -1315,7 +1361,7 @@ impl Storage { /// /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword - pub fn export_firmware(&self, admin_pin: &str) -> Result<(), Error> { + pub fn export_firmware(&mut self, admin_pin: &str) -> Result<(), Error> { let admin_pin_string = get_cstring(admin_pin)?; get_command_result(unsafe { nitrokey_sys::NK_export_firmware(admin_pin_string.as_ptr()) }) } diff --git a/nitrokey/src/lib.rs b/nitrokey/src/lib.rs index f2d524e..c35829c 100644 --- a/nitrokey/src/lib.rs +++ b/nitrokey/src/lib.rs @@ -47,13 +47,13 @@ //! let device = nitrokey::connect()?; //! let slot_data = OtpSlotData::new(1, "test", "01234567890123456689", OtpMode::SixDigits); //! match device.authenticate_admin("12345678") { -//! Ok(admin) => { +//! Ok(mut admin) => { //! match admin.write_hotp_slot(slot_data, 0) { //! Ok(()) => println!("Successfully wrote slot."), -//! Err(err) => println!("Could not write slot: {}", err), +//! Err(err) => eprintln!("Could not write slot: {}", err), //! } //! }, -//! Err((_, err)) => println!("Could not authenticate as admin: {}", err), +//! Err((_, err)) => eprintln!("Could not authenticate as admin: {}", err), //! } //! # Ok(()) //! # } @@ -66,10 +66,10 @@ //! # use nitrokey::Error; //! //! # fn try_main() -> Result<(), Error> { -//! let device = nitrokey::connect()?; +//! let mut device = nitrokey::connect()?; //! match device.get_hotp_code(1) { //! Ok(code) => println!("Generated HOTP code: {}", code), -//! Err(err) => println!("Could not generate HOTP code: {}", err), +//! Err(err) => eprintln!("Could not generate HOTP code: {}", err), //! } //! # Ok(()) //! # } diff --git a/nitrokey/src/otp.rs b/nitrokey/src/otp.rs index 6e0379b..ee142c7 100644 --- a/nitrokey/src/otp.rs +++ b/nitrokey/src/otp.rs @@ -38,13 +38,13 @@ pub trait ConfigureOtp { /// let device = nitrokey::connect()?; /// let slot_data = OtpSlotData::new(1, "test", "01234567890123456689", OtpMode::SixDigits); /// match device.authenticate_admin("12345678") { - /// Ok(admin) => { + /// Ok(mut admin) => { /// match admin.write_hotp_slot(slot_data, 0) { /// Ok(()) => println!("Successfully wrote slot."), - /// Err(err) => println!("Could not write slot: {}", err), + /// Err(err) => eprintln!("Could not write slot: {}", err), /// } /// }, - /// Err((_, err)) => println!("Could not authenticate as admin: {}", err), + /// Err((_, err)) => eprintln!("Could not authenticate as admin: {}", err), /// } /// # Ok(()) /// # } @@ -53,7 +53,7 @@ pub trait ConfigureOtp { /// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`NoName`]: enum.CommandError.html#variant.NoName - fn write_hotp_slot(&self, data: OtpSlotData, counter: u64) -> Result<(), Error>; + fn write_hotp_slot(&mut self, data: OtpSlotData, counter: u64) -> Result<(), Error>; /// Configure a TOTP slot with the given data and set the TOTP time window to the given value /// (default 30). @@ -74,13 +74,13 @@ pub trait ConfigureOtp { /// let device = nitrokey::connect()?; /// let slot_data = OtpSlotData::new(1, "test", "01234567890123456689", OtpMode::EightDigits); /// match device.authenticate_admin("12345678") { - /// Ok(admin) => { + /// Ok(mut admin) => { /// match admin.write_totp_slot(slot_data, 30) { /// Ok(()) => println!("Successfully wrote slot."), - /// Err(err) => println!("Could not write slot: {}", err), + /// Err(err) => eprintln!("Could not write slot: {}", err), /// } /// }, - /// Err((_, err)) => println!("Could not authenticate as admin: {}", err), + /// Err((_, err)) => eprintln!("Could not authenticate as admin: {}", err), /// } /// # Ok(()) /// # } @@ -89,7 +89,7 @@ pub trait ConfigureOtp { /// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`NoName`]: enum.CommandError.html#variant.NoName - fn write_totp_slot(&self, data: OtpSlotData, time_window: u16) -> Result<(), Error>; + fn write_totp_slot(&mut self, data: OtpSlotData, time_window: u16) -> Result<(), Error>; /// Erases an HOTP slot. /// @@ -106,20 +106,20 @@ pub trait ConfigureOtp { /// # fn try_main() -> Result<(), Error> { /// let device = nitrokey::connect()?; /// match device.authenticate_admin("12345678") { - /// Ok(admin) => { + /// Ok(mut admin) => { /// match admin.erase_hotp_slot(1) { /// Ok(()) => println!("Successfully erased slot."), - /// Err(err) => println!("Could not erase slot: {}", err), + /// Err(err) => eprintln!("Could not erase slot: {}", err), /// } /// }, - /// Err((_, err)) => println!("Could not authenticate as admin: {}", err), + /// Err((_, err)) => eprintln!("Could not authenticate as admin: {}", err), /// } /// # Ok(()) /// # } /// ``` /// /// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot - fn erase_hotp_slot(&self, slot: u8) -> Result<(), Error>; + fn erase_hotp_slot(&mut self, slot: u8) -> Result<(), Error>; /// Erases a TOTP slot. /// @@ -136,20 +136,20 @@ pub trait ConfigureOtp { /// # fn try_main() -> Result<(), Error> { /// let device = nitrokey::connect()?; /// match device.authenticate_admin("12345678") { - /// Ok(admin) => { + /// Ok(mut admin) => { /// match admin.erase_totp_slot(1) { /// Ok(()) => println!("Successfully erased slot."), - /// Err(err) => println!("Could not erase slot: {}", err), + /// Err(err) => eprintln!("Could not erase slot: {}", err), /// } /// }, - /// Err((_, err)) => println!("Could not authenticate as admin: {}", err), + /// Err((_, err)) => eprintln!("Could not authenticate as admin: {}", err), /// } /// # Ok(()) /// # } /// ``` /// /// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot - fn erase_totp_slot(&self, slot: u8) -> Result<(), Error>; + fn erase_totp_slot(&mut self, slot: u8) -> Result<(), Error>; } /// Provides methods to generate OTP codes and to query OTP slots on a Nitrokey @@ -171,11 +171,11 @@ pub trait GenerateOtp { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// let time = time::SystemTime::now().duration_since(time::UNIX_EPOCH); /// match time { /// Ok(time) => device.set_time(time.as_secs(), false)?, - /// Err(_) => println!("The system time is before the Unix epoch!"), + /// Err(_) => eprintln!("The system time is before the Unix epoch!"), /// } /// # Ok(()) /// # } @@ -187,7 +187,7 @@ pub trait GenerateOtp { /// /// [`get_totp_code`]: #method.get_totp_code /// [`Timestamp`]: enum.CommandError.html#variant.Timestamp - fn set_time(&self, time: u64, force: bool) -> Result<(), Error> { + fn set_time(&mut self, time: u64, force: bool) -> Result<(), Error> { let result = if force { unsafe { nitrokey_sys::NK_totp_set_time(time) } } else { @@ -212,8 +212,8 @@ pub trait GenerateOtp { /// let device = nitrokey::connect()?; /// match device.get_hotp_slot_name(1) { /// Ok(name) => println!("HOTP slot 1: {}", name), - /// Err(Error::CommandError(CommandError::SlotNotProgrammed)) => println!("HOTP slot 1 not programmed"), - /// Err(err) => println!("Could not get slot name: {}", err), + /// Err(Error::CommandError(CommandError::SlotNotProgrammed)) => eprintln!("HOTP slot 1 not programmed"), + /// Err(err) => eprintln!("Could not get slot name: {}", err), /// }; /// # Ok(()) /// # } @@ -241,8 +241,8 @@ pub trait GenerateOtp { /// let device = nitrokey::connect()?; /// match device.get_totp_slot_name(1) { /// Ok(name) => println!("TOTP slot 1: {}", name), - /// Err(Error::CommandError(CommandError::SlotNotProgrammed)) => println!("TOTP slot 1 not programmed"), - /// Err(err) => println!("Could not get slot name: {}", err), + /// Err(Error::CommandError(CommandError::SlotNotProgrammed)) => eprintln!("TOTP slot 1 not programmed"), + /// Err(err) => eprintln!("Could not get slot name: {}", err), /// }; /// # Ok(()) /// # } @@ -270,7 +270,7 @@ pub trait GenerateOtp { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// let code = device.get_hotp_code(1)?; /// println!("Generated HOTP code on slot 1: {}", code); /// # Ok(()) @@ -281,7 +281,7 @@ pub trait GenerateOtp { /// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot /// [`NotAuthorized`]: enum.CommandError.html#variant.NotAuthorized /// [`SlotNotProgrammed`]: enum.CommandError.html#variant.SlotNotProgrammed - fn get_hotp_code(&self, slot: u8) -> Result<String, Error> { + fn get_hotp_code(&mut self, slot: u8) -> Result<String, Error> { result_from_string(unsafe { nitrokey_sys::NK_get_hotp_code(slot) }) } @@ -305,7 +305,7 @@ pub trait GenerateOtp { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// let time = time::SystemTime::now().duration_since(time::UNIX_EPOCH); /// match time { /// Ok(time) => { @@ -313,7 +313,7 @@ pub trait GenerateOtp { /// let code = device.get_totp_code(1)?; /// println!("Generated TOTP code on slot 1: {}", code); /// }, - /// Err(_) => println!("Timestamps before 1970-01-01 are not supported!"), + /// Err(_) => eprintln!("Timestamps before 1970-01-01 are not supported!"), /// } /// # Ok(()) /// # } diff --git a/nitrokey/src/pws.rs b/nitrokey/src/pws.rs index fcf057b..371de6e 100644 --- a/nitrokey/src/pws.rs +++ b/nitrokey/src/pws.rs @@ -43,9 +43,10 @@ pub const SLOT_COUNT: u8 = 16; /// } /// /// # fn try_main() -> Result<(), Error> { -/// let device = nitrokey::connect()?; +/// let mut device = nitrokey::connect()?; /// let pws = device.get_password_safe("123456")?; /// use_password_safe(&pws); +/// drop(pws); /// device.lock()?; /// # Ok(()) /// # } @@ -97,14 +98,14 @@ pub trait GetPasswordSafe { /// fn use_password_safe(pws: &PasswordSafe) {} /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// match device.get_password_safe("123456") { /// Ok(pws) => { /// use_password_safe(&pws); - /// device.lock()?; /// }, - /// Err(err) => println!("Could not open the password safe: {}", err), + /// Err(err) => eprintln!("Could not open the password safe: {}", err), /// }; + /// device.lock()?; /// # Ok(()) /// # } /// ``` @@ -116,7 +117,7 @@ pub trait GetPasswordSafe { /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString /// [`Unknown`]: enum.CommandError.html#variant.Unknown /// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword - fn get_password_safe(&self, user_pin: &str) -> Result<PasswordSafe<'_>, Error>; + fn get_password_safe(&mut self, user_pin: &str) -> Result<PasswordSafe<'_>, Error>; } fn get_password_safe<'a>( @@ -148,7 +149,7 @@ impl<'a> PasswordSafe<'a> { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// let pws = device.get_password_safe("123456")?; /// pws.get_slot_status()?.iter().enumerate().for_each(|(slot, programmed)| { /// let status = match *programmed { @@ -193,7 +194,7 @@ impl<'a> PasswordSafe<'a> { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// match device.get_password_safe("123456") { /// Ok(pws) => { /// let name = pws.get_slot_name(0)?; @@ -201,7 +202,7 @@ impl<'a> PasswordSafe<'a> { /// let password = pws.get_slot_login(0)?; /// println!("Credentials for {}: login {}, password {}", name, login, password); /// }, - /// Err(err) => println!("Could not open the password safe: {}", err), + /// Err(err) => eprintln!("Could not open the password safe: {}", err), /// }; /// # Ok(()) /// # } @@ -230,7 +231,7 @@ impl<'a> PasswordSafe<'a> { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// let pws = device.get_password_safe("123456")?; /// let name = pws.get_slot_name(0)?; /// let login = pws.get_slot_login(0)?; @@ -263,7 +264,7 @@ impl<'a> PasswordSafe<'a> { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// let pws = device.get_password_safe("123456")?; /// let name = pws.get_slot_name(0)?; /// let login = pws.get_slot_login(0)?; @@ -294,7 +295,7 @@ impl<'a> PasswordSafe<'a> { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; + /// let mut device = nitrokey::connect()?; /// let pws = device.get_password_safe("123456")?; /// let name = pws.get_slot_name(0)?; /// let login = pws.get_slot_login(0)?; @@ -307,7 +308,7 @@ impl<'a> PasswordSafe<'a> { /// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot /// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString pub fn write_slot( - &self, + &mut self, slot: u8, name: &str, login: &str, @@ -340,18 +341,18 @@ impl<'a> PasswordSafe<'a> { /// # use nitrokey::Error; /// /// # fn try_main() -> Result<(), Error> { - /// let device = nitrokey::connect()?; - /// let pws = device.get_password_safe("123456")?; + /// let mut device = nitrokey::connect()?; + /// let mut pws = device.get_password_safe("123456")?; /// match pws.erase_slot(0) { /// Ok(()) => println!("Erased slot 0."), - /// Err(err) => println!("Could not erase slot 0: {}", err), + /// Err(err) => eprintln!("Could not erase slot 0: {}", err), /// }; /// # Ok(()) /// # } /// ``` /// /// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot - pub fn erase_slot(&self, slot: u8) -> Result<(), Error> { + pub fn erase_slot(&mut self, slot: u8) -> Result<(), Error> { get_command_result(unsafe { nitrokey_sys::NK_erase_password_safe_slot(slot) }) } } @@ -364,19 +365,19 @@ impl<'a> Drop for PasswordSafe<'a> { } impl GetPasswordSafe for Pro { - fn get_password_safe(&self, user_pin: &str) -> Result<PasswordSafe<'_>, Error> { + fn get_password_safe(&mut self, user_pin: &str) -> Result<PasswordSafe<'_>, Error> { get_password_safe(self, user_pin) } } impl GetPasswordSafe for Storage { - fn get_password_safe(&self, user_pin: &str) -> Result<PasswordSafe<'_>, Error> { + fn get_password_safe(&mut self, user_pin: &str) -> Result<PasswordSafe<'_>, Error> { get_password_safe(self, user_pin) } } impl GetPasswordSafe for DeviceWrapper { - fn get_password_safe(&self, user_pin: &str) -> Result<PasswordSafe<'_>, Error> { + fn get_password_safe(&mut self, user_pin: &str) -> Result<PasswordSafe<'_>, Error> { get_password_safe(self, user_pin) } } diff --git a/nitrokey/src/util.rs b/nitrokey/src/util.rs index b7e8cd3..fdb73c3 100644 --- a/nitrokey/src/util.rs +++ b/nitrokey/src/util.rs @@ -53,6 +53,10 @@ pub fn result_from_string(ptr: *const c_char) -> Result<String, Error> { } } +pub fn result_or_error<T>(value: T) -> Result<T, Error> { + get_last_result().and(Ok(value)) +} + pub fn get_command_result(value: c_int) -> Result<(), Error> { if value == 0 { Ok(()) |