dm secu

securite/dm/pcap_analyzer/Cargo.lock

@@ -60,6 +60,12 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "arrayvec"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -145,6 +151,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "etherparse"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21696e6dfe1057a166a042c6d27b89a46aad2ee1003e6e1e03c49d54fd3270d7"
+dependencies = [
+ "arrayvec",
+]
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -199,6 +214,7 @@ name = "pcap_analyzer"
 version = "0.1.0"
 dependencies = [
  "clap",
+ "etherparse",
  "pcap",
 ]
 

securite/dm/pcap_analyzer/Cargo.toml

@@ -5,4 +5,5 @@ edition = "2021"
 
 [dependencies]
 clap = { version = "4.5.7", features = ["derive"] }
+etherparse = "0.15.0"
 pcap = "2.0.0"

securite/dm/pcap_analyzer/src/main.rs

@@ -1,6 +1,7 @@
 use std::{error::Error, path::PathBuf};
 
 use clap::{Parser, Subcommand};
+use etherparse::{NetSlice, SlicedPacket};
 use pcap::Capture;
 
 fn main() -> Result<(), Box<dyn Error>> {
@@ -20,11 +21,11 @@ fn main() -> Result<(), Box<dyn Error>> {
 			let mut total_ipv4 = 0;
 			let mut total = 0;
 			while let Ok(packet) = pcap.next_packet() {
-				total += 1;
-				let ether_type = &packet.data[20..][..2];
-				if ether_type == [0x00, 0x08] {
+				let packet = SlicedPacket::from_ethernet(packet.data)?;
+				if let Some(NetSlice::Ipv4(_)) = packet.net {
 					total_ipv4 += 1;
 				}
+				total += 1;
 			}
 			println!("Count:      {total: >9}");
 			println!("Count IPv4: {total_ipv4: >9}");

securite/dm/push.sh

@@ -1,5 +1,16 @@
 #!/bin/sh
+set -e
+cd "$(dirname "$(realpath "$0")")"
 
+
+echo "checks compile"
+    cd pcap_analyzer
+    cargo build
+    cd ..
+
+
+echo "pushing"
     git add .
     git commit -m "dm secu"
     git push
+