Fixed the bind to interface issue (https://github.com/lgandx/Responder/issues/6)

Responder.py

@@ -66,7 +66,10 @@ class ThreadingUDPServer(ThreadingMixIn, UDPServer):
 	def server_bind(self):
 		if OsInterfaceIsSupported():
 			try:
-				self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Bind_To+'\0')
+                                if settings.Config.Bind_To_ALL:
+                                	pass
+                                else:
+					self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Interface+'\0')
 			except:
 				pass
 		UDPServer.server_bind(self)
@@ -75,7 +78,10 @@ class ThreadingTCPServer(ThreadingMixIn, TCPServer):
 	def server_bind(self):
 		if OsInterfaceIsSupported():
 			try:
-				self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Bind_To+'\0')
+                                if settings.Config.Bind_To_ALL:
+                                	pass
+                                else:
+					self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Interface+'\0')
 			except:
 				pass
 		TCPServer.server_bind(self)
@@ -84,7 +90,10 @@ class ThreadingTCPServerAuth(ThreadingMixIn, TCPServer):
 	def server_bind(self):
 		if OsInterfaceIsSupported():
 			try:
-				self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Bind_To+'\0')
+                                if settings.Config.Bind_To_ALL:
+                                	pass
+                                else:
+					self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Interface+'\0')
 			except:
 				pass
                 self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, struct.pack('ii', 1, 0))
@@ -101,7 +110,10 @@ class ThreadingUDPMDNSServer(ThreadingMixIn, UDPServer):
 
 		if OsInterfaceIsSupported():
 			try:
-				self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Bind_To+'\0')
+                                if settings.Config.Bind_To_ALL:
+                                	pass
+                                else:
+					self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Interface+'\0')
 			except:
 				pass
 		UDPServer.server_bind(self)
@@ -109,7 +121,6 @@ class ThreadingUDPMDNSServer(ThreadingMixIn, UDPServer):
 class ThreadingUDPLLMNRServer(ThreadingMixIn, UDPServer):
 	def server_bind(self):
 		MADDR = "224.0.0.252"
-
 		self.socket.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
 		self.socket.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 255)
 		
@@ -117,7 +128,10 @@ class ThreadingUDPLLMNRServer(ThreadingMixIn, UDPServer):
 		
 		if OsInterfaceIsSupported():
 			try:
-				self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Bind_To+'\0')
+                                if settings.Config.Bind_To_ALL:
+                                	pass
+                                else:
+					self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Interface+'\0')
 			except:
 				pass
 		UDPServer.server_bind(self)
@@ -130,7 +144,7 @@ ThreadingTCPServerAuth.allow_reuse_address = 1
 
 def serve_thread_udp_broadcast(host, port, handler):
 	try:
-		server = ThreadingUDPServer(('', port), handler)
+		server = ThreadingUDPServer((host, port), handler)
 		server.serve_forever()
 	except:
 		print color("[!] ", 1, 1) + "Error starting UDP server on port " + str(port) + ", check permissions or other servers running."
@@ -150,12 +164,13 @@ def serve_LLMNR_poisoner(host, port, handler):
 		server = ThreadingUDPLLMNRServer((host, port), handler)
 		server.serve_forever()
 	except:
+                raise
 		print color("[!] ", 1, 1) + "Error starting UDP server on port " + str(port) + ", check permissions or other servers running."
 
 def serve_thread_udp(host, port, handler):
 	try:
 		if OsInterfaceIsSupported():
-			server = ThreadingUDPServer((settings.Config.Bind_To, port), handler)
+			server = ThreadingUDPServer((host, port), handler)
 			server.serve_forever()
 		else:
 			server = ThreadingUDPServer((host, port), handler)
@@ -166,7 +181,7 @@ def serve_thread_udp(host, port, handler):
 def serve_thread_tcp(host, port, handler):
 	try:
 		if OsInterfaceIsSupported():
-			server = ThreadingTCPServer((settings.Config.Bind_To, port), handler)
+			server = ThreadingTCPServer((host, port), handler)
 			server.serve_forever()
 		else:
 			server = ThreadingTCPServer((host, port), handler)
@@ -177,7 +192,7 @@ def serve_thread_tcp(host, port, handler):
 def serve_thread_tcp_auth(host, port, handler):
 	try:
 		if OsInterfaceIsSupported():
-			server = ThreadingTCPServerAuth((settings.Config.Bind_To, port), handler)
+			server = ThreadingTCPServerAuth((host, port), handler)
 			server.serve_forever()
 		else:
 			server = ThreadingTCPServerAuth((host, port), handler)
@@ -192,7 +207,7 @@ def serve_thread_SSL(host, port, handler):
 		key =  os.path.join(settings.Config.ResponderPATH, settings.Config.SSLKey)
 
 		if OsInterfaceIsSupported():
-			server = ThreadingTCPServer((settings.Config.Bind_To, port), handler)
+			server = ThreadingTCPServer((host, port), handler)
 			server.socket = ssl.wrap_socket(server.socket, certfile=cert, keyfile=key, server_side=True)
 			server.serve_forever()
 		else:

settings.py

@@ -20,7 +20,7 @@ import subprocess
 
 from utils import *
 
-__version__ = 'Responder 2.3.2.8'
+__version__ = 'Responder 2.3.2.9'
 
 class Settings:
 	
@@ -69,6 +69,10 @@ class Settings:
 			print utils.color("Error: -I <if> mandatory option is missing", 1)
 			sys.exit(-1)
 
+		if options.Interface == "ALL" and options.OURIP == None:
+			print utils.color("Error: -i is missing.\nWhen using -I ALL you need to provide your current ip address", 1)
+			sys.exit(-1)
+
 		# Config parsing
 		config = ConfigParser.ConfigParser()
 		config.read(os.path.join(self.ResponderPATH, 'Responder.conf'))
@@ -176,7 +180,20 @@ class Settings:
 			self.HtmlToInject = ''
 
                 self.Bind_To         = utils.FindLocalIP(self.Interface, self.OURIP)
+
+                if self.Interface == "ALL":
+                	self.Bind_To_ALL  = True
+                else:
+                        self.Bind_To_ALL  = False
+
+
 		self.IP_aton              = socket.inet_aton(self.Bind_To)
+
+                if self.Interface == "ALL":
+                	self.IP_aton   = socket.inet_aton(self.OURIP)
+                else:
+                	self.IP_aton   = socket.inet_aton(self.Bind_To)
+
 		self.Os_version      = sys.platform
 
 		# Set up Challenge