From ba716c0ba1fdcdfe824d84f04f7580a1c8501777 Mon Sep 17 00:00:00 2001
From: Robin Krahl <robin.krahl@ireas.org>
Date: Mon, 21 May 2018 22:19:17 +0000
Subject: Add support for erase_hotp_slot and erase_totp_slot

---
 src/lib.rs | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

(limited to 'src/lib.rs')

diff --git a/src/lib.rs b/src/lib.rs
index 117659f..8ffbf5a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1310,6 +1310,72 @@ impl AdminAuthenticatedDevice {
             )
         });
     }
+
+    /// Erase an HOTP slot.
+    ///
+    /// # Errors
+    ///
+    /// - [`InvalidSlot`][] if there is no slot with the given number
+    ///
+    /// # Example
+    ///
+    /// ```no_run
+    /// use nitrokey::{CommandStatus, Device, OtpMode, OtpSlotData};
+    /// # use nitrokey::CommandError;
+    ///
+    /// # fn try_main() -> Result<(), (CommandError)> {
+    /// let device = nitrokey::connect()?;
+    /// match device.authenticate_admin("12345678") {
+    ///     Ok(admin) => {
+    ///         match admin.erase_hotp_slot(1) {
+    ///             CommandStatus::Success => println!("Successfully erased slot."),
+    ///             CommandStatus::Error(err) => println!("Could not erase slot: {:?}", err),
+    ///         }
+    ///     },
+    ///     Err((_, err)) => println!("Could not authenticate as admin: {:?}", err),
+    /// }
+    /// #     Ok(())
+    /// # }
+    /// ```
+    ///
+    /// [`InvalidSlot`]: enum.CommandError.html#variant.InvalidSlot
+    pub fn erase_hotp_slot(&self, slot: u8) -> CommandStatus {
+        let temp_password_ptr = self.temp_password.as_ptr() as *const i8;
+        unsafe { CommandStatus::from(nitrokey_sys::NK_erase_hotp_slot(slot, temp_password_ptr)) }
+    }
+
+    /// Erase a TOTP slot.
+    ///
+    /// # Errors
+    ///
+    /// - [`InvalidSlot`][] if there is no slot with the given number
+    ///
+    /// # Example
+    ///
+    /// ```no_run
+    /// use nitrokey::{CommandStatus, Device, OtpMode, OtpSlotData};
+    /// # use nitrokey::CommandError;
+    ///
+    /// # fn try_main() -> Result<(), (CommandError)> {
+    /// let device = nitrokey::connect()?;
+    /// match device.authenticate_admin("12345678") {
+    ///     Ok(admin) => {
+    ///         match admin.erase_totp_slot(1) {
+    ///             CommandStatus::Success => println!("Successfully erased slot."),
+    ///             CommandStatus::Error(err) => println!("Could not erase slot: {:?}", err),
+    ///         }
+    ///     },
+    ///     Err((_, err)) => println!("Could not authenticate as admin: {:?}", err),
+    /// }
+    /// #     Ok(())
+    /// # }
+    /// ```
+    ///
+    /// [`InvalidSlot`]: enum.CommandError.html#variant.InvalidSlot
+    pub fn erase_totp_slot(&self, slot: u8) -> CommandStatus {
+        let temp_password_ptr = self.temp_password.as_ptr() as *const i8;
+        unsafe { CommandStatus::from(nitrokey_sys::NK_erase_totp_slot(slot, temp_password_ptr)) }
+    }
 }
 
 impl Device for AdminAuthenticatedDevice {}
-- 
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