From b7b9c6f3591e1ef28371d42229053b5368e79b7d Mon Sep 17 00:00:00 2001
From: Robin Krahl <robin.krahl@ireas.org>
Date: Sun, 23 Dec 2018 02:19:00 +0100
Subject: Implement the otp clear subcommand

This patch implements the `otp clear` subcommand that erases an OTP slot.
---
 nitrocli/src/commands.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'nitrocli/src/commands.rs')

diff --git a/nitrocli/src/commands.rs b/nitrocli/src/commands.rs
index 8dc8c42..93e9bd3 100644
--- a/nitrocli/src/commands.rs
+++ b/nitrocli/src/commands.rs
@@ -322,6 +322,17 @@ pub fn otp_set(
   Ok(())
 }
 
+/// Clear an OTP slot.
+pub fn otp_clear(slot: u8, algorithm: args::OtpAlgorithm) -> Result<()> {
+  let device = authenticate_admin(get_device()?)?;
+  match algorithm {
+    args::OtpAlgorithm::Hotp => device.erase_hotp_slot(slot),
+    args::OtpAlgorithm::Totp => device.erase_totp_slot(slot),
+  }
+  .map_err(|err| get_error("Could not clear OTP slot", &err))?;
+  Ok(())
+}
+
 #[cfg(test)]
 mod tests {
   use super::*;
-- 
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