feat: v1.3.3, remove dependency lazy_static

src/cmd_sshagent.rs

@@ -16,13 +16,10 @@ use ssh_agent::proto::message::{self, Message};
 use ssh_agent::proto::public_key::PublicKey;
 
 use crate::digest::{copy_sha256, copy_sha512};
-use crate::sshutil::with_sign;
-
-lazy_static! {
-    static ref CARD: Mutex<Option<PcscBackend>> = Mutex::new(None);
-}
+use crate::sshutil::{generate_ssh_string, with_sign};
 
 struct SshAgent {
+    card: Mutex<PcscBackend>,
     use_sign: bool,
     pin: String,
     public_key: PublicKey,
@@ -54,13 +51,10 @@ impl SshAgent {
                 n: with_sign(n.to_vec()),
             });
             let comment = format!("pgp-card:{}:{}", iff!(use_sign, "sign", "auth"), serial);
-            (public_key, comment.clone(), crate::sshutil::generate_ssh_string(e, n, &comment))
+            (public_key, comment.clone(), generate_ssh_string(e, n, &comment))
         };
-        {
-            let mut card_mutex = CARD.lock().unwrap();
-            *card_mutex = Some(card);
-        }
         Ok(Self {
+            card: Mutex::new(card),
             use_sign,
             pin,
             public_key,
@@ -104,12 +98,8 @@ impl SshAgent {
                 };
 
                 information!("SSH request, algorithm: {}", algorithm);
-                let mut card_mutex = CARD.lock().unwrap();
-                let card_mut = match card_mutex.as_mut() {
-                    Some(card) => card,
-                    None => return Err(From::from("Illegal card status: none")),
-                };
-                let mut pgp = OpenPgp::new(card_mut);
+                let mut card_mut = self.card.lock().unwrap();
+                let mut pgp = OpenPgp::new(&mut *card_mut);
                 let mut trans = opt_result!(pgp.transaction(), "Open card failed: {}");
                 let sig = if self.use_sign {
                     debugging!("User pin verify for pw1 sign, use sign: {}", self.use_sign);

src/main.rs

@@ -1,7 +1,5 @@
 #[macro_use]
 extern crate rust_util;
-#[macro_use]
-extern crate lazy_static;
 
 use clap::{App, AppSettings, ArgMatches};
 use rust_util::util_clap::{Command, CommandError};