From c562e5479d383f37536ab3afef5f6d109290ebb9 Mon Sep 17 00:00:00 2001
From: DragonSlayer_14 <dragonslayer14@murena.io>
Date: Thu, 21 Aug 2025 15:37:07 +0200
Subject: [PATCH] =?UTF-8?q?Feat:=20F=C3=BCgt=20Funktion=20`get=5Fmac=5Ffro?=
 =?UTF-8?q?m=5Fip`=20in=20`network=5Futils`=20hinzu,=20um=20MAC-Adressen?=
 =?UTF-8?q?=20basierend=20auf=20IPs=20zu=20ermitteln?=
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---
 src/network/utils.rs | 65 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

diff --git a/src/network/utils.rs b/src/network/utils.rs
index d7b61e8..40356e6 100644
--- a/src/network/utils.rs
+++ b/src/network/utils.rs
@@ -215,6 +215,71 @@ pub fn get_ip_from_mac(mac: &str, network: &str) -> Option<String> {
     }
 }
 
+/// Ermittelt die MAC-Adresse zu einer gegebenen IP-Adresse im lokalen Netzwerk
+/// durch Auslesen der ARP-Tabelle.
+///
+/// # Parameter
+/// - `ip`: IP-Adresse für die die MAC-Adresse ermittelt werden soll
+///
+/// # Rückgabe
+/// - Option<String>: Die MAC-Adresse des Geräts oder None wenn nicht gefunden  
+pub fn get_mac_from_ip(ip: &str) -> Option<String> {
+    #[cfg(target_os = "linux")]
+    {
+        let output = Command::new("ip")
+            .args(["neigh", "show", ip])
+            .output();
+
+        match output {
+            Ok(out) => {
+                if !out.status.success() {
+                    return None;
+                }
+                let stdout = String::from_utf8_lossy(&out.stdout);
+                // Format: 192.168.1.1 dev eth0 lladdr 00:11:22:33:44:55 REACHABLE
+                for line in stdout.lines() {
+                    let parts: Vec<&str> = line.split_whitespace().collect();
+                    if parts.len() >= 4 && parts[0] == ip && parts[2] == "lladdr" {
+                        return Some(parts[3].to_string());
+                    }
+                }
+                None
+            }
+            Err(_) => None
+        }
+    }
+
+    #[cfg(target_os = "windows")]
+    {
+        let output = Command::new("arp")
+            .args(["-a", ip])
+            .output();
+
+        match output {
+            Ok(out) => {
+                if !out.status.success() {
+                    return None;
+                }
+                let stdout = String::from_utf8_lossy(&out.stdout);
+                for line in stdout.lines() {
+                    let parts: Vec<&str> = line.split_whitespace().collect();
+                    // Format: 192.168.1.1        00-11-22-33-44-55     dynamic
+                    if parts.len() >= 2 && parts[0] == ip {
+                        return Some(parts[1].replace('-', ":"));
+                    }
+                }
+                None
+            }
+            Err(_) => None
+        }
+    }
+
+    #[cfg(not(any(target_os = "linux", target_os = "windows")))]
+    {
+        log::log("network_utils", "OS not supported.", LogLevel::Error);
+        None
+    }
+}
 /// Sendet ein Wake-on-LAN Magic Packet an eine MAC-Adresse
 ///
 /// # Parameter