fingerd: use structs from proto, fix clippy lints

src/proto/finger_protocol.rs

@@ -202,7 +202,7 @@ fn parse_bsd_finger_time(time: &str) -> anyhow::Result<DateTime<Utc>> {
             //       if not, try to get the local timezone offset.
             //       if not, assume UTC.
 
-            return Ok(DateTime::<Utc>::from_utc(dt, Utc));
+            return Ok(DateTime::<Utc>::from_naive_utc_and_offset(dt, Utc));
         }
     }
 
@@ -259,6 +259,7 @@ pub struct FingerResponseUserEntry {
 }
 
 impl FingerResponseUserEntry {
+    #[allow(clippy::too_many_arguments)]
     pub fn new(
         username: String,
         full_name: String,
@@ -400,8 +401,10 @@ impl FingerResponseUserEntry {
             .filter_map(|line| {
                 match FingerResponseUserSession::try_from_finger_response_line(line) {
                     Ok(session) => Some(session),
-                    // TODO: log warning if parsing fails
-                    Err(_) => None,
+                    Err(_) => {
+                        tracing::warn!("Failed to parse user session from line: {}", line);
+                        None
+                    }
                 }
             })
             .collect();
@@ -509,8 +512,6 @@ impl FingerResponseUserSession {
         }
     }
 
-    /// Parse the login time from the text string generated by bsd-finger
-
     /// Parse the idle time from the text string generated by bsd-finger
     fn parse_idle_time(str: &str) -> anyhow::Result<Duration> {
         // Parse idle time from finger response format.