feat(rp): Enable logging

Cargo.lock

@@ -2228,10 +2228,12 @@ dependencies = [
  "anyhow",
  "base64ct",
  "ctrlc-async",
+ "env_logger",
  "futures",
  "futures-util",
  "genetlink",
  "libc",
+ "log",
  "netlink-packet-core",
  "netlink-packet-generic",
  "netlink-packet-wireguard",

rp/Cargo.toml

@@ -18,6 +18,8 @@ toml = { workspace = true }
 x25519-dalek = { workspace = true, features = ["static_secrets"] }
 zeroize = { workspace = true }
 libc = { workspace = true }
+log = { workspace = true }
+env_logger = { workspace = true }
 
 rosenpass = { workspace = true }
 rosenpass-ciphers = { workspace = true }

rp/src/main.rs

@@ -24,6 +24,10 @@ async fn main() -> anyhow::Result<()> {
         }
     };
 
+    // init logging
+    // TODO: Taken from rosenpass; we should deduplicate the code.
+    env_logger::Builder::from_default_env().init(); // sets log level filter from environment (or defaults)
+
     let command = cli.command.unwrap();
 
     match command {