1 files changed, 29 insertions, 0 deletions
diff --git a/lockchain-core/src/errors/auth.rs b/lockchain-core/src/errors/auth.rs
new file mode 100644
index 0000000..32ce33a
--- /dev/null
+++ b/lockchain-core/src/errors/auth.rs
@@ -0,0 +1,29 @@
+//! Athentication errors
+
+use std::error::Error as StdError;
+use std::fmt::{Display, Formatter, Result};
+
+/// Common errors that can occur when authenticating users
+#[derive(Debug, Serialize, Deserialize)]
+pub enum Error {
+    /// Forking an authentication task failed
+    FailedFork,
+    /// Failed to authenticate via PAM due to a PAM related issue
+    FailedPAM,
+    /// The provided user either doesn't exist or is not authorised
+    UserNotAuthorised,
+}
+
+impl StdError for Error {}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut Formatter) -> Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                _ => "Unknown failure",
+            }
+        )
+    }
+}