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-rw-r--r--src/auth.rs59
-rw-r--r--src/config.rs20
-rw-r--r--src/device.rs141
-rw-r--r--src/otp.rs12
-rw-r--r--src/pws.rs24
-rw-r--r--src/util.rs35
6 files changed, 121 insertions, 170 deletions
diff --git a/src/auth.rs b/src/auth.rs
index 541de35..b97bee6 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -161,10 +161,10 @@ where
};
let password_ptr = password.as_ptr();
let temp_password_ptr = temp_password.as_ptr() as *const c_char;
- return match callback(password_ptr, temp_password_ptr) {
+ match callback(password_ptr, temp_password_ptr) {
0 => Ok(A::new(device, temp_password)),
rv => Err((device, Error::from(rv))),
- };
+ }
}
fn authenticate_user_wrapper<T, C>(
@@ -218,22 +218,15 @@ impl<T: Device> Deref for User<T> {
impl<T: Device> GenerateOtp for User<T> {
fn get_hotp_code(&self, slot: u8) -> Result<String, Error> {
- unsafe {
- let temp_password_ptr = self.temp_password_ptr();
- return result_from_string(nitrokey_sys::NK_get_hotp_code_PIN(slot, temp_password_ptr));
- }
+ result_from_string(unsafe {
+ nitrokey_sys::NK_get_hotp_code_PIN(slot, self.temp_password_ptr())
+ })
}
fn get_totp_code(&self, slot: u8) -> Result<String, Error> {
- unsafe {
- return result_from_string(nitrokey_sys::NK_get_totp_code_PIN(
- slot,
- 0,
- 0,
- 0,
- self.temp_password_ptr(),
- ));
- }
+ result_from_string(unsafe {
+ nitrokey_sys::NK_get_totp_code_PIN(slot, 0, 0, 0, self.temp_password_ptr())
+ })
}
}
@@ -295,30 +288,23 @@ impl<T: Device> Admin<T> {
/// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot
pub fn write_config(&self, config: Config) -> Result<(), Error> {
let raw_config = RawConfig::try_from(config)?;
- unsafe {
- get_command_result(nitrokey_sys::NK_write_config(
+ get_command_result(unsafe {
+ nitrokey_sys::NK_write_config(
raw_config.numlock,
raw_config.capslock,
raw_config.scrollock,
raw_config.user_password,
false,
self.temp_password_ptr(),
- ))
- }
- }
-
- fn write_otp_slot<C>(&self, data: OtpSlotData, callback: C) -> Result<(), Error>
- where
- C: Fn(RawOtpSlotData, *const c_char) -> c_int,
- {
- let raw_data = RawOtpSlotData::new(data)?;
- get_command_result(callback(raw_data, self.temp_password_ptr()))
+ )
+ })
}
}
impl<T: Device> ConfigureOtp for Admin<T> {
fn write_hotp_slot(&self, data: OtpSlotData, counter: u64) -> Result<(), Error> {
- self.write_otp_slot(data, |raw_data: RawOtpSlotData, temp_password_ptr| unsafe {
+ let raw_data = RawOtpSlotData::new(data)?;
+ get_command_result(unsafe {
nitrokey_sys::NK_write_hotp_slot(
raw_data.number,
raw_data.name.as_ptr(),
@@ -328,13 +314,14 @@ impl<T: Device> ConfigureOtp for Admin<T> {
raw_data.use_enter,
raw_data.use_token_id,
raw_data.token_id.as_ptr(),
- temp_password_ptr,
+ self.temp_password_ptr(),
)
})
}
fn write_totp_slot(&self, data: OtpSlotData, time_window: u16) -> Result<(), Error> {
- self.write_otp_slot(data, |raw_data: RawOtpSlotData, temp_password_ptr| unsafe {
+ let raw_data = RawOtpSlotData::new(data)?;
+ get_command_result(unsafe {
nitrokey_sys::NK_write_totp_slot(
raw_data.number,
raw_data.name.as_ptr(),
@@ -344,19 +331,21 @@ impl<T: Device> ConfigureOtp for Admin<T> {
raw_data.use_enter,
raw_data.use_token_id,
raw_data.token_id.as_ptr(),
- temp_password_ptr,
+ self.temp_password_ptr(),
)
})
}
fn erase_hotp_slot(&self, slot: u8) -> Result<(), Error> {
- let temp_password_ptr = self.temp_password_ptr();
- unsafe { get_command_result(nitrokey_sys::NK_erase_hotp_slot(slot, temp_password_ptr)) }
+ get_command_result(unsafe {
+ nitrokey_sys::NK_erase_hotp_slot(slot, self.temp_password_ptr())
+ })
}
fn erase_totp_slot(&self, slot: u8) -> Result<(), Error> {
- let temp_password_ptr = self.temp_password_ptr();
- unsafe { get_command_result(nitrokey_sys::NK_erase_totp_slot(slot, temp_password_ptr)) }
+ get_command_result(unsafe {
+ nitrokey_sys::NK_erase_totp_slot(slot, self.temp_password_ptr())
+ })
}
}
diff --git a/src/config.rs b/src/config.rs
index 6aa6d10..329f7a6 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -30,21 +30,21 @@ pub struct RawConfig {
fn config_otp_slot_to_option(value: u8) -> Option<u8> {
if value < 3 {
- return Some(value);
+ Some(value)
+ } else {
+ None
}
- None
}
fn option_to_config_otp_slot(value: Option<u8>) -> Result<u8, Error> {
- match value {
- Some(value) => {
- if value < 3 {
- Ok(value)
- } else {
- Err(LibraryError::InvalidSlot.into())
- }
+ if let Some(value) = value {
+ if value < 3 {
+ Ok(value)
+ } else {
+ Err(LibraryError::InvalidSlot.into())
}
- None => Ok(255),
+ } else {
+ Ok(255)
}
}
diff --git a/src/device.rs b/src/device.rs
index 40d6ba4..287268b 100644
--- a/src/device.rs
+++ b/src/device.rs
@@ -22,14 +22,10 @@ pub enum Model {
impl fmt::Display for Model {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- write!(
- f,
- "{}",
- match *self {
- Model::Pro => "Pro",
- Model::Storage => "Storage",
- }
- )
+ f.write_str(match *self {
+ Model::Pro => "Pro",
+ Model::Storage => "Storage",
+ })
}
}
@@ -44,10 +40,10 @@ pub enum VolumeMode {
impl fmt::Display for VolumeMode {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- match *self {
- VolumeMode::ReadOnly => f.write_str("read-only"),
- VolumeMode::ReadWrite => f.write_str("read-write"),
- }
+ f.write_str(match *self {
+ VolumeMode::ReadOnly => "read-only",
+ VolumeMode::ReadWrite => "read-write",
+ })
}
}
@@ -330,7 +326,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug {
/// # }
/// ```
fn get_serial_number(&self) -> Result<String, Error> {
- unsafe { result_from_string(nitrokey_sys::NK_device_serial_number()) }
+ result_from_string(unsafe { nitrokey_sys::NK_device_serial_number() })
}
/// Returns the number of remaining authentication attempts for the user. The total number of
@@ -435,16 +431,14 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug {
/// # }
/// ```
fn get_config(&self) -> Result<Config, Error> {
- unsafe {
- let config_ptr = nitrokey_sys::NK_read_config();
- if config_ptr.is_null() {
- return Err(get_last_error());
- }
- let config_array_ptr = config_ptr as *const [u8; 5];
- let raw_config = RawConfig::from(*config_array_ptr);
- libc::free(config_ptr as *mut libc::c_void);
- return Ok(raw_config.into());
+ let config_ptr = unsafe { nitrokey_sys::NK_read_config() };
+ if config_ptr.is_null() {
+ return Err(get_last_error());
}
+ let config_array_ptr = config_ptr as *const [u8; 5];
+ let raw_config = unsafe { RawConfig::from(*config_array_ptr) };
+ unsafe { libc::free(config_ptr as *mut libc::c_void) };
+ Ok(raw_config.into())
}
/// Changes the administrator PIN.
@@ -475,12 +469,9 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug {
fn change_admin_pin(&self, current: &str, new: &str) -> Result<(), Error> {
let current_string = get_cstring(current)?;
let new_string = get_cstring(new)?;
- unsafe {
- get_command_result(nitrokey_sys::NK_change_admin_PIN(
- current_string.as_ptr(),
- new_string.as_ptr(),
- ))
- }
+ get_command_result(unsafe {
+ nitrokey_sys::NK_change_admin_PIN(current_string.as_ptr(), new_string.as_ptr())
+ })
}
/// Changes the user PIN.
@@ -511,12 +502,9 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug {
fn change_user_pin(&self, current: &str, new: &str) -> Result<(), Error> {
let current_string = get_cstring(current)?;
let new_string = get_cstring(new)?;
- unsafe {
- get_command_result(nitrokey_sys::NK_change_user_PIN(
- current_string.as_ptr(),
- new_string.as_ptr(),
- ))
- }
+ get_command_result(unsafe {
+ nitrokey_sys::NK_change_user_PIN(current_string.as_ptr(), new_string.as_ptr())
+ })
}
/// Unlocks the user PIN after three failed login attempts and sets it to the given value.
@@ -547,12 +535,12 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug {
fn unlock_user_pin(&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)?;
- unsafe {
- get_command_result(nitrokey_sys::NK_unlock_user_password(
+ get_command_result(unsafe {
+ nitrokey_sys::NK_unlock_user_password(
admin_pin_string.as_ptr(),
user_pin_string.as_ptr(),
- ))
- }
+ )
+ })
}
/// Locks the Nitrokey device.
@@ -576,7 +564,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug {
/// # }
/// ```
fn lock(&self) -> Result<(), Error> {
- unsafe { get_command_result(nitrokey_sys::NK_lock_device()) }
+ get_command_result(unsafe { nitrokey_sys::NK_lock_device() })
}
/// Performs a factory reset on the Nitrokey device.
@@ -610,7 +598,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug {
/// [`build_aes_key`]: #method.build_aes_key
fn factory_reset(&self, admin_pin: &str) -> Result<(), Error> {
let admin_pin_string = get_cstring(admin_pin)?;
- unsafe { get_command_result(nitrokey_sys::NK_factory_reset(admin_pin_string.as_ptr())) }
+ get_command_result(unsafe { nitrokey_sys::NK_factory_reset(admin_pin_string.as_ptr()) })
}
/// Builds a new AES key on the Nitrokey.
@@ -644,7 +632,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug {
/// [`factory_reset`]: #method.factory_reset
fn build_aes_key(&self, admin_pin: &str) -> Result<(), Error> {
let admin_pin_string = get_cstring(admin_pin)?;
- unsafe { get_command_result(nitrokey_sys::NK_build_aes_key(admin_pin_string.as_ptr())) }
+ get_command_result(unsafe { nitrokey_sys::NK_build_aes_key(admin_pin_string.as_ptr()) })
}
}
@@ -670,14 +658,13 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp + fmt::Debug {
///
/// [`NotConnected`]: enum.CommunicationError.html#variant.NotConnected
pub fn connect() -> Result<DeviceWrapper, Error> {
- unsafe {
- match nitrokey_sys::NK_login_auto() {
- 1 => match get_connected_device() {
- Some(wrapper) => Ok(wrapper),
- None => Err(CommunicationError::NotConnected.into()),
- },
- _ => Err(CommunicationError::NotConnected.into()),
+ if unsafe { nitrokey_sys::NK_login_auto() } == 1 {
+ match get_connected_device() {
+ Some(wrapper) => Ok(wrapper),
+ None => Err(CommunicationError::NotConnected.into()),
}
+ } else {
+ Err(CommunicationError::NotConnected.into())
}
}
@@ -711,12 +698,10 @@ pub fn connect_model(model: Model) -> Result<DeviceWrapper, Error> {
}
fn get_connected_model() -> Option<Model> {
- unsafe {
- match nitrokey_sys::NK_get_device_model() {
- nitrokey_sys::NK_device_model_NK_PRO => Some(Model::Pro),
- nitrokey_sys::NK_device_model_NK_STORAGE => Some(Model::Storage),
- _ => None,
- }
+ match unsafe { nitrokey_sys::NK_get_device_model() } {
+ nitrokey_sys::NK_device_model_NK_PRO => Some(Model::Pro),
+ nitrokey_sys::NK_device_model_NK_STORAGE => Some(Model::Storage),
+ _ => None,
}
}
@@ -889,12 +874,9 @@ impl Storage {
pub fn change_update_pin(&self, current: &str, new: &str) -> Result<(), Error> {
let current_string = get_cstring(current)?;
let new_string = get_cstring(new)?;
- unsafe {
- get_command_result(nitrokey_sys::NK_change_update_password(
- current_string.as_ptr(),
- new_string.as_ptr(),
- ))
- }
+ get_command_result(unsafe {
+ nitrokey_sys::NK_change_update_password(current_string.as_ptr(), new_string.as_ptr())
+ })
}
/// Enables the firmware update mode.
@@ -928,11 +910,9 @@ impl Storage {
/// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword
pub fn enable_firmware_update(&self, update_pin: &str) -> Result<(), Error> {
let update_pin_string = get_cstring(update_pin)?;
- unsafe {
- get_command_result(nitrokey_sys::NK_enable_firmware_update(
- update_pin_string.as_ptr(),
- ))
- }
+ get_command_result(unsafe {
+ nitrokey_sys::NK_enable_firmware_update(update_pin_string.as_ptr())
+ })
}
/// Enables the encrypted storage volume.
@@ -964,7 +944,7 @@ impl Storage {
/// [`WrongPassword`]: enum.CommandError.html#variant.WrongPassword
pub fn enable_encrypted_volume(&self, user_pin: &str) -> Result<(), Error> {
let user_pin = get_cstring(user_pin)?;
- unsafe { get_command_result(nitrokey_sys::NK_unlock_encrypted_volume(user_pin.as_ptr())) }
+ get_command_result(unsafe { nitrokey_sys::NK_unlock_encrypted_volume(user_pin.as_ptr()) })
}
/// Disables the encrypted storage volume.
@@ -998,7 +978,7 @@ impl Storage {
/// # }
/// ```
pub fn disable_encrypted_volume(&self) -> Result<(), Error> {
- unsafe { get_command_result(nitrokey_sys::NK_lock_encrypted_volume()) }
+ get_command_result(unsafe { nitrokey_sys::NK_lock_encrypted_volume() })
}
/// Enables a hidden storage volume.
@@ -1041,11 +1021,9 @@ impl Storage {
/// [`InvalidString`]: enum.LibraryError.html#variant.InvalidString
pub fn enable_hidden_volume(&self, volume_password: &str) -> Result<(), Error> {
let volume_password = get_cstring(volume_password)?;
- unsafe {
- get_command_result(nitrokey_sys::NK_unlock_hidden_volume(
- volume_password.as_ptr(),
- ))
- }
+ get_command_result(unsafe {
+ nitrokey_sys::NK_unlock_hidden_volume(volume_password.as_ptr())
+ })
}
/// Disables a hidden storage volume.
@@ -1080,7 +1058,7 @@ impl Storage {
/// # }
/// ```
pub fn disable_hidden_volume(&self) -> Result<(), Error> {
- unsafe { get_command_result(nitrokey_sys::NK_lock_hidden_volume()) }
+ get_command_result(unsafe { nitrokey_sys::NK_lock_hidden_volume() })
}
/// Creates a hidden volume.
@@ -1125,14 +1103,9 @@ impl Storage {
password: &str,
) -> Result<(), Error> {
let password = get_cstring(password)?;
- unsafe {
- get_command_result(nitrokey_sys::NK_create_hidden_volume(
- slot,
- start,
- end,
- password.as_ptr(),
- ))
- }
+ get_command_result(unsafe {
+ nitrokey_sys::NK_create_hidden_volume(slot, start, end, password.as_ptr())
+ })
}
/// Sets the access mode of the unencrypted volume.
@@ -1221,8 +1194,7 @@ impl Storage {
stick_initialized: false,
};
let raw_result = unsafe { nitrokey_sys::NK_get_status_storage(&mut raw_status) };
- let result = get_command_result(raw_result);
- result.and(Ok(StorageStatus::from(raw_status)))
+ get_command_result(raw_result).map(|_| StorageStatus::from(raw_status))
}
/// Returns the production information for the connected storage device.
@@ -1263,8 +1235,7 @@ impl Storage {
SD_Card_Manufacturer_u8: 0,
};
let raw_result = unsafe { nitrokey_sys::NK_get_storage_production_info(&mut raw_data) };
- let result = get_command_result(raw_result);
- result.and(Ok(StorageProductionInfo::from(raw_data)))
+ get_command_result(raw_result).map(|_| StorageProductionInfo::from(raw_data))
}
/// Clears the warning for a new SD card.
diff --git a/src/otp.rs b/src/otp.rs
index 7535a77..430b127 100644
--- a/src/otp.rs
+++ b/src/otp.rs
@@ -219,7 +219,7 @@ pub trait GenerateOtp {
/// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot
/// [`SlotNotProgrammed`]: enum.CommandError.html#variant.SlotNotProgrammed
fn get_hotp_slot_name(&self, slot: u8) -> Result<String, Error> {
- unsafe { result_from_string(nitrokey_sys::NK_get_hotp_slot_name(slot)) }
+ result_from_string(unsafe { nitrokey_sys::NK_get_hotp_slot_name(slot) })
}
/// Returns the name of the given TOTP slot.
@@ -248,7 +248,7 @@ pub trait GenerateOtp {
/// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot
/// [`SlotNotProgrammed`]: enum.CommandError.html#variant.SlotNotProgrammed
fn get_totp_slot_name(&self, slot: u8) -> Result<String, Error> {
- unsafe { result_from_string(nitrokey_sys::NK_get_totp_slot_name(slot)) }
+ result_from_string(unsafe { nitrokey_sys::NK_get_totp_slot_name(slot) })
}
/// Generates an HOTP code on the given slot. This operation may require user authorization,
@@ -279,9 +279,7 @@ pub trait GenerateOtp {
/// [`NotAuthorized`]: enum.CommandError.html#variant.NotAuthorized
/// [`SlotNotProgrammed`]: enum.CommandError.html#variant.SlotNotProgrammed
fn get_hotp_code(&self, slot: u8) -> Result<String, Error> {
- unsafe {
- return result_from_string(nitrokey_sys::NK_get_hotp_code(slot));
- }
+ result_from_string(unsafe { nitrokey_sys::NK_get_hotp_code(slot) })
}
/// Generates a TOTP code on the given slot. This operation may require user authorization,
@@ -324,9 +322,7 @@ pub trait GenerateOtp {
/// [`NotAuthorized`]: enum.CommandError.html#variant.NotAuthorized
/// [`SlotNotProgrammed`]: enum.CommandError.html#variant.SlotNotProgrammed
fn get_totp_code(&self, slot: u8) -> Result<String, Error> {
- unsafe {
- return result_from_string(nitrokey_sys::NK_get_totp_code(slot, 0, 0, 0));
- }
+ result_from_string(unsafe { nitrokey_sys::NK_get_totp_code(slot, 0, 0, 0) })
}
}
diff --git a/src/pws.rs b/src/pws.rs
index a21527c..c89b73f 100644
--- a/src/pws.rs
+++ b/src/pws.rs
@@ -121,12 +121,8 @@ fn get_password_safe<'a>(
user_pin: &str,
) -> Result<PasswordSafe<'a>, Error> {
let user_pin_string = get_cstring(user_pin)?;
- let result = unsafe {
- get_command_result(nitrokey_sys::NK_enable_password_safe(
- user_pin_string.as_ptr(),
- ))
- };
- result.map(|()| PasswordSafe { _device: device })
+ get_command_result(unsafe { nitrokey_sys::NK_enable_password_safe(user_pin_string.as_ptr()) })
+ .map(|_| PasswordSafe { _device: device })
}
fn get_pws_result(s: String) -> Result<String, Error> {
@@ -211,7 +207,7 @@ impl<'a> PasswordSafe<'a> {
/// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot
/// [`SlotNotProgrammed`]: enum.CommandError.html#variant.SlotNotProgrammed
pub fn get_slot_name(&self, slot: u8) -> Result<String, Error> {
- unsafe { result_from_string(nitrokey_sys::NK_get_password_safe_slot_name(slot)) }
+ result_from_string(unsafe { nitrokey_sys::NK_get_password_safe_slot_name(slot) })
.and_then(get_pws_result)
}
@@ -244,7 +240,7 @@ impl<'a> PasswordSafe<'a> {
/// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot
/// [`SlotNotProgrammed`]: enum.CommandError.html#variant.SlotNotProgrammed
pub fn get_slot_login(&self, slot: u8) -> Result<String, Error> {
- unsafe { result_from_string(nitrokey_sys::NK_get_password_safe_slot_login(slot)) }
+ result_from_string(unsafe { nitrokey_sys::NK_get_password_safe_slot_login(slot) })
.and_then(get_pws_result)
}
@@ -277,7 +273,7 @@ impl<'a> PasswordSafe<'a> {
/// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot
/// [`SlotNotProgrammed`]: enum.CommandError.html#variant.SlotNotProgrammed
pub fn get_slot_password(&self, slot: u8) -> Result<String, Error> {
- unsafe { result_from_string(nitrokey_sys::NK_get_password_safe_slot_password(slot)) }
+ result_from_string(unsafe { nitrokey_sys::NK_get_password_safe_slot_password(slot) })
.and_then(get_pws_result)
}
@@ -317,14 +313,14 @@ impl<'a> PasswordSafe<'a> {
let name_string = get_cstring(name)?;
let login_string = get_cstring(login)?;
let password_string = get_cstring(password)?;
- unsafe {
- get_command_result(nitrokey_sys::NK_write_password_safe_slot(
+ get_command_result(unsafe {
+ nitrokey_sys::NK_write_password_safe_slot(
slot,
name_string.as_ptr(),
login_string.as_ptr(),
password_string.as_ptr(),
- ))
- }
+ )
+ })
}
/// Erases the given slot. Erasing clears the stored name, login and password (if the slot was
@@ -353,7 +349,7 @@ impl<'a> PasswordSafe<'a> {
///
/// [`InvalidSlot`]: enum.LibraryError.html#variant.InvalidSlot
pub fn erase_slot(&self, slot: u8) -> Result<(), Error> {
- unsafe { get_command_result(nitrokey_sys::NK_erase_password_safe_slot(slot)) }
+ get_command_result(unsafe { nitrokey_sys::NK_erase_password_safe_slot(slot) })
}
}
diff --git a/src/util.rs b/src/util.rs
index 2542a7b..f8ad9c9 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -29,32 +29,31 @@ pub enum LogLevel {
}
pub fn owned_str_from_ptr(ptr: *const c_char) -> String {
- unsafe {
- return CStr::from_ptr(ptr).to_string_lossy().into_owned();
- }
+ unsafe { CStr::from_ptr(ptr) }
+ .to_string_lossy()
+ .into_owned()
}
pub fn result_from_string(ptr: *const c_char) -> Result<String, Error> {
if ptr.is_null() {
return Err(Error::UnexpectedError);
}
- unsafe {
- let s = owned_str_from_ptr(ptr);
- free(ptr as *mut c_void);
- // An empty string can both indicate an error or be a valid return value. In this case, we
- // have to check the last command status to decide what to return.
- if s.is_empty() {
- get_last_result().map(|_| s)
- } else {
- Ok(s)
- }
+ let s = owned_str_from_ptr(ptr);
+ unsafe { free(ptr as *mut c_void) };
+ // An empty string can both indicate an error or be a valid return value. In this case, we
+ // have to check the last command status to decide what to return.
+ if s.is_empty() {
+ get_last_result().map(|_| s)
+ } else {
+ Ok(s)
}
}
pub fn get_command_result(value: c_int) -> Result<(), Error> {
- match value {
- 0 => Ok(()),
- other => Err(Error::from(other)),
+ if value == 0 {
+ Ok(())
+ } else {
+ Err(Error::from(value))
}
}
@@ -63,10 +62,10 @@ pub fn get_last_result() -> Result<(), Error> {
}
pub fn get_last_error() -> Error {
- return match get_last_result() {
+ match get_last_result() {
Ok(()) => Error::UnexpectedError,
Err(err) => err,
- };
+ }
}
pub fn generate_password(length: usize) -> Result<Vec<u8>, Error> {