Added config options for TCP server interface binding to network interface instead of IP.

RNS/Interfaces/TCPInterface.py

@@ -1,6 +1,7 @@
 from .Interface import Interface
 import socketserver
 import threading
+import netifaces
 import socket
 import time
 import sys
@@ -127,12 +128,21 @@ class TCPClientInterface(Interface):
 
 
 class TCPServerInterface(Interface):
+    @staticmethod
+    def get_address_for_if(name):
+        return netifaces.ifaddresses(name)[netifaces.AF_INET][0]['addr']
 
-    def __init__(self, owner, name, bindip=None, bindport=None):
+    def get_broadcast_for_if(name):
+        return netifaces.ifaddresses(name)[netifaces.AF_INET][0]['broadcast']
+
+    def __init__(self, owner, name, device=None, bindip=None, bindport=None):
         self.IN  = True
         self.OUT = False
         self.name = name
 
+        if device != None:
+            bindip = TCPServerInterface.get_address_for_if(device)
+
         if (bindip != None and bindport != None):
             self.receives = True
             self.bind_ip = bindip

RNS/Reticulum.py

@@ -249,11 +249,20 @@ class Reticulum:
 
 
                             if c["type"] == "TCPServerInterface":
+                                device       = c["device"] if "device" in c else None
+                                port         = int(c["port"]) if "port" in c else None
+                                listen_ip    = c["listen_ip"] if "listen_ip" in c else None
+                                listen_port  = int(c["listen_port"]) if "listen_port" in c else None
+
+                                if port != None:
+                                    listen_port = port
+
                                 interface = TCPInterface.TCPServerInterface(
                                     RNS.Transport,
                                     name,
-                                    c["listen_ip"],
-                                    int(c["listen_port"])
+                                    device,
+                                    listen_ip,
+                                    listen_port
                                 )
 
                                 if "outgoing" in c and c.as_bool("outgoing") == True: