diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/device/storage.rs | 10 | ||||
| -rw-r--r-- | src/error.rs | 6 | ||||
| -rw-r--r-- | src/util.rs | 11 |
3 files changed, 16 insertions, 11 deletions
diff --git a/src/device/storage.rs b/src/device/storage.rs index deb2844..1e2c46d 100644 --- a/src/device/storage.rs +++ b/src/device/storage.rs @@ -678,7 +678,7 @@ impl<'a> Storage<'a> { if usage_data.write_level_min > usage_data.write_level_max || usage_data.write_level_max > 100 { - Err(Error::UnexpectedError) + Err(Error::UnexpectedError("Invalid write levels".to_owned())) } else { Ok(ops::Range { start: usage_data.write_level_min, @@ -708,10 +708,14 @@ impl<'a> Storage<'a> { match status { 0..=100 => u8::try_from(status) .map(OperationStatus::Ongoing) - .map_err(|_| Error::UnexpectedError), + .map_err(|_| { + Error::UnexpectedError("Cannot create u8 from operation status".to_owned()) + }), -1 => Ok(OperationStatus::Idle), -2 => Err(get_last_error()), - _ => Err(Error::UnexpectedError), + _ => Err(Error::UnexpectedError( + "Invalid operation status".to_owned(), + )), } } diff --git a/src/error.rs b/src/error.rs index f9af594..7bea3f2 100644 --- a/src/error.rs +++ b/src/error.rs @@ -25,7 +25,7 @@ pub enum Error { /// An error that occurred during random number generation. RandError(Box<dyn error::Error>), /// An error that is caused by an unexpected value returned by libnitrokey. - UnexpectedError, + UnexpectedError(String), /// An unknown error returned by libnitrokey. UnknownError(i64), /// An error caused by a Nitrokey model that is not supported by this crate. @@ -102,7 +102,7 @@ impl error::Error for Error { Error::LibraryError(ref err) => Some(err), Error::PoisonError(ref err) => Some(err), Error::RandError(ref err) => Some(err.as_ref()), - Error::UnexpectedError => None, + Error::UnexpectedError(_) => None, Error::UnknownError(_) => None, Error::UnsupportedModelError => None, Error::Utf8Error(ref err) => Some(err), @@ -119,7 +119,7 @@ impl fmt::Display for Error { Error::LibraryError(ref err) => write!(f, "Library error: {}", err), Error::PoisonError(_) => write!(f, "Internal error: poisoned lock"), Error::RandError(ref err) => write!(f, "RNG error: {}", err), - Error::UnexpectedError => write!(f, "An unexpected error occurred"), + Error::UnexpectedError(ref s) => write!(f, "An unexpected error occurred: {}", s), Error::UnknownError(ref err) => write!(f, "Unknown error: {}", err), Error::UnsupportedModelError => write!(f, "Unsupported Nitrokey model"), Error::Utf8Error(ref err) => write!(f, "UTF-8 error: {}", err), diff --git a/src/util.rs b/src/util.rs index 5a56c55..1b52c3d 100644 --- a/src/util.rs +++ b/src/util.rs @@ -39,7 +39,9 @@ pub fn owned_str_from_ptr(ptr: *const c_char) -> Result<String, Error> { pub fn result_from_string(ptr: *const c_char) -> Result<String, Error> { if ptr.is_null() { - return Err(Error::UnexpectedError); + return Err(Error::UnexpectedError( + "libnitrokey returned a null pointer".to_owned(), + )); } let s = owned_str_from_ptr(ptr)?; unsafe { free(ptr as *mut c_void) }; @@ -69,10 +71,9 @@ pub fn get_last_result() -> Result<(), Error> { } pub fn get_last_error() -> Error { - match get_last_result() { - Ok(()) => Error::UnexpectedError, - Err(err) => err, - } + get_last_result().err().unwrap_or_else(|| { + Error::UnexpectedError("Expected an error, but command status is zero".to_owned()) + }) } pub fn generate_password(length: usize) -> Result<Vec<u8>, Error> { |