From 0d86194f26f75f56b999df1d305de821e9e92508 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ebbe=20Ba=C3=9F?= <ebbe.bass>
Date: Mon, 12 Feb 2024 18:10:09 +0100
Subject: [PATCH] changed the script so that its only interface bound
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Signed-off-by: Ebbe Baß <ebbe.bass>
---
 server/artnet_converter.py | 41 ++++++++++++++++++++++++--------------
 1 file changed, 26 insertions(+), 15 deletions(-)

diff --git a/server/artnet_converter.py b/server/artnet_converter.py
index 9822d6e..2606dad 100644
--- a/server/artnet_converter.py
+++ b/server/artnet_converter.py
@@ -1,17 +1,28 @@
-from scapy.all import *
-from scapy.arch import get_if_addr
+import socket
 
-def forward_artnet(pkt):
-    # Check if the packet is an ArtNet packet
-    if pkt.haslayer(IP) and pkt.haslayer(UDP) and pkt[UDP].dport == 6454:
-        # Check the source IP address and interface
-        if pkt[IP].src.startswith("10.0.") and pkt.route()[0] == "eth0":
-            # Modify the source IP address to the new network
-            pkt[IP].src = get_if_addr("wlan0")
-            # Forward the packet to the new network
-            send(pkt, iface="wlan0")
-            print("Forwarded ArtNet packet from eth0 to wlan0")
+def forward_artnet(iface_in, iface_out):
+    # Create raw socket to receive and send ArtNet packets
+    sock_in = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(0x0003))
+    sock_in.bind((iface_in, 0))
 
-# Sniff ArtNet packets on eth0
-while True:
-    sniff(iface="eth0", prn=forward_artnet, store=0)
\ No newline at end of file
+    sock_out = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(0x0003))
+    sock_out.bind((iface_out, 0))
+
+    while True:
+        # Receive ArtNet packet from the input interface
+        pkt, _ = sock_in.recvfrom(65535)
+
+        # Modify the source MAC address if needed
+        # Modify other fields as required
+
+        # Forward the packet to the output interface
+        sock_out.sendall(pkt)
+
+        print(f"Forwarded ArtNet packet from {iface_in} to {iface_out}")
+
+# Specify the input and output interfaces
+input_interface = "eth0"
+output_interface = "wlan0"
+
+# Start forwarding ArtNet packets between interfaces
+forward_artnet(input_interface, output_interface)