dm secu

securite/dm/pcap_analyzer/src/main.rs

@@ -12,23 +12,30 @@ fn main() -> Result<(), Box<dyn Error>> {
 		Cmd::Links => {
 			for record in pcap.list_datalinks()? {
 				let name = record.get_name().unwrap_or_else(|_| "<unnamed>".into());
-				let description = record.get_description().unwrap_or_default();
-				println!("link  {name}  {description}")
+				let desc = record.get_description().unwrap_or_default();
+				println!("link  {name}  {desc}")
 			}
 		}
 
 		Cmd::Stats => {
-			let mut total_ipv4 = 0;
 			let mut total = 0;
+			let mut total_ipv4 = 0;
+			let mut errs = 0;
 			while let Ok(packet) = pcap.next_packet() {
-				let packet = SlicedPacket::from_ethernet(packet.data)?;
+				total += 1;
+
+				let Ok(packet) = SlicedPacket::from_ethernet(packet.data) else {
+					errs += 1;
+					continue;
+				};
+
 				if let Some(NetSlice::Ipv4(_)) = packet.net {
 					total_ipv4 += 1;
 				}
-				total += 1;
 			}
 			println!("Count:      {total: >9}");
 			println!("Count IPv4: {total_ipv4: >9}");
+			println!("Errors:     {errs: >9}");
 		}
 	}