Add simple GetStatus command implementation

For debugging purposes, we add a simple GetStatus implementation that
just reports the firmware version 0.1.

1 files changed, 17 insertions, 2 deletions

diff --git a/src/device.rs b/src/device.rs
index 3b6cf46..960f698 100644
--- a/src/device.rs
+++ b/src/device.rs
@@ -69,8 +69,23 @@ impl Nitrokey {
         command_id: CommandId,
         data: &[u8],
     ) -> Result<[u8; 53], CommandStatus> {
-        let _ = (command_id, data);
-        Err(CommandStatus::UnknownCommand)
+        let _ = data;
+        match command_id {
+            CommandId::GetStatus => {
+                let mut data = [0u8; 53];
+                data[0] = 1; // firmware_version_st.minor
+                data[1] = 0; // firmware_version_st.major
+                data[2] = 0; // card_serial[0]
+                data[3] = 0; // card_serial[1]
+                data[4] = 0; // card_serial[2]
+                data[5] = 0; // card_serial[3]
+                data[6] = 0; // numlock
+                data[7] = 0; // capslock
+                data[8] = 0; // enable_user_password
+                data[9] = 0; // delete_user_password
+                Ok(data)
+            }
+        }
     }
 }