From 32c22bd1eb9fe05db30cf1062d089b21bd00c3a7 Mon Sep 17 00:00:00 2001
From: Robin Krahl <robin.krahl@ireas.org>
Date: Thu, 27 Dec 2018 17:57:26 +0100
Subject: Implement the lock command

This patch implements the lock command that locks the password safe and,
on the Nitrokey Storage, the encrypted volume.  See issue #18 for
details on the locking mechanism.
---
 nitrocli/src/args.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

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

diff --git a/nitrocli/src/args.rs b/nitrocli/src/args.rs
index 4cf6258..f1db33f 100644
--- a/nitrocli/src/args.rs
+++ b/nitrocli/src/args.rs
@@ -32,6 +32,7 @@ type Result<T> = result::Result<T, Error>;
 #[derive(Debug)]
 pub enum Command {
   Config,
+  Lock,
   Otp,
   Pin,
   Pws,
@@ -44,6 +45,7 @@ impl Command {
   pub fn execute(&self, args: Vec<String>) -> Result<()> {
     match *self {
       Command::Config => config(args),
+      Command::Lock => lock(args),
       Command::Otp => otp(args),
       Command::Pin => pin(args),
       Command::Pws => pws(args),
@@ -60,6 +62,7 @@ impl fmt::Display for Command {
       "{}",
       match *self {
         Command::Config => "config",
+        Command::Lock => "lock",
         Command::Otp => "otp",
         Command::Pin => "pin",
         Command::Pws => "pws",
@@ -76,6 +79,7 @@ impl str::FromStr for Command {
   fn from_str(s: &str) -> result::Result<Self, Self::Err> {
     match s {
       "config" => Ok(Command::Config),
+      "lock" => Ok(Command::Lock),
       "otp" => Ok(Command::Otp),
       "pin" => Ok(Command::Pin),
       "pws" => Ok(Command::Pws),
@@ -585,6 +589,15 @@ fn config_set(args: Vec<String>) -> Result<()> {
   commands::config_set(numlock, capslock, scrollock, otp_pin)
 }
 
+/// Lock the Nitrokey.
+fn lock(args: Vec<String>) -> Result<()> {
+  let mut parser = argparse::ArgumentParser::new();
+  parser.set_description("Locks the connected Nitrokey device");
+  parse(&parser, args)?;
+
+  commands::lock()
+}
+
 /// Execute an OTP subcommand.
 fn otp(args: Vec<String>) -> Result<()> {
   let mut subcommand = OtpCommand::Get;
-- 
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