skel

src/error.rs

@@ -0,0 +1,49 @@
+use std::io;
+use ctap::FidoError;
+
+pub type Fido2LuksResult<T> = Result<T, Fido2LuksError>;
+
+#[derive(Debug, Fail)]
+pub enum Fido2LuksError {
+    #[fail(display = "unable to retrieve password: {}", cause)]
+    AskPassError{ cause: io::Error },
+    #[fail(display = "unable to read keyfile: {}", cause)]
+    KeyfileError { cause: io::Error },
+    #[fail(display = "authenticator error: {}", cause)]
+    AuthenticatorError { cause: ctap::FidoError },
+    #[fail(display = "no authenticator found, please ensure you device is plugged in")]
+    NoAuthenticatorError,
+    #[fail(display = "no authenticator found, please ensure you device is plugged in")]
+    LuksError { cause: cryptsetup_rs::device::Error },
+    #[fail(display = "no authenticator found, please ensure you device is plugged in")]
+    IoError { cause: io::Error },
+    #[fail(display = "failed to parse config, please check formatting and contents")]
+    ConfigurationError { cause: serde_json::error::Error },
+}
+
+use Fido2LuksError::*;
+
+impl From<FidoError> for Fido2LuksError {
+    fn from(e: FidoError) -> Self {
+        AuthenticatorError { cause: e}
+    }
+}
+
+impl From<cryptsetup_rs::device::Error> for Fido2LuksError {
+    fn from(e : cryptsetup_rs::device::Error) -> Self {
+        LuksError { cause: e }
+    }
+}
+
+impl From<io::Error> for Fido2LuksError {
+    fn from(e : io::Error) -> Self {
+        IoError { cause: e }
+    }
+}
+
+impl From<serde_json::error::Error> for Fido2LuksError {
+    fn from(e : serde_json::error::Error) -> Self {
+        ConfigurationError { cause: e }
+    }
+}
+