From 0c679b30ef04de8bc556ce33b305d3ccf740a970 Mon Sep 17 00:00:00 2001
From: Robin Krahl <robin.krahl@ireas.org>
Date: Thu, 27 Dec 2018 17:49:14 +0100
Subject: Implement the pws status subcommand

This patch implements the pws status command that can be used to print
status information for the slots in the password safe.
---
 nitrocli/src/commands.rs | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

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

diff --git a/nitrocli/src/commands.rs b/nitrocli/src/commands.rs
index 4deb1a7..c903cfd 100644
--- a/nitrocli/src/commands.rs
+++ b/nitrocli/src/commands.rs
@@ -20,6 +20,7 @@
 use std::fmt;
 use std::result;
 use std::time;
+use std::u8;
 
 use nitrokey::ConfigureOtp;
 use nitrokey::Device;
@@ -602,6 +603,40 @@ pub fn pws_clear(slot: u8) -> Result<()> {
     .map_err(|err| get_error("Could not clear PWS slot", &err))
 }
 
+fn print_pws_slot(pws: &nitrokey::PasswordSafe<'_>, slot: usize, programmed: bool) -> Result<()> {
+  if slot > u8::MAX as usize {
+    return Err(Error::Error("Invalid PWS slot number".to_string()));
+  }
+  let slot = slot as u8;
+  let name = if programmed {
+    pws
+      .get_slot_name(slot)
+      .map_err(|err| get_error("Could not read PWS slot", &err))?
+  } else {
+    "[not programmed]".to_string()
+  };
+  println!("{}\t{}", slot, name);
+  Ok(())
+}
+
+/// Print the status of all PWS slots.
+pub fn pws_status(all: bool) -> Result<()> {
+  let device = get_device()?;
+  let pws = get_password_safe(&device)?;
+  let slots = pws
+    .get_slot_status()
+    .map_err(|err| get_error("Could not read PWS slot status", &err))?;
+  println!("slot\tname");
+  for (i, &value) in slots
+    .into_iter()
+    .enumerate()
+    .filter(|(_, &value)| all || value)
+  {
+    print_pws_slot(&pws, i, value)?;
+  }
+  Ok(())
+}
+
 #[cfg(test)]
 mod tests {
   use super::*;
-- 
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