Merge pull request #232 from also-here/master

Allowing IPv6 addresses in RespondTo and DontRespondTo

Responder.conf

@@ -38,7 +38,7 @@ AnalyzeLog = Analyzer-Session.log
 ResponderConfigDump = Config-Responder.log
 
 ; Specific IP Addresses to respond to (default = All)
-; Example: RespondTo = 10.20.1.100-150, 10.20.3.10
+; Example: RespondTo = 10.20.1.100-150, 10.20.3.10, fe80::e059:5c8f:a486:a4ea-a4ef, 2001:db8::8a2e:370:7334
 RespondTo =
 
 ; Specific NBT-NS/LLMNR names to respond to (default = All)
@@ -47,7 +47,8 @@ RespondTo =
 RespondToName = 
 
 ; Specific IP Addresses not to respond to (default = None)
-; Example: DontRespondTo = 10.20.1.100-150, 10.20.3.10
+; Hosts with IPv4 and IPv6 addresses must have both addresses included to prevent responding.
+; Example: DontRespondTo = 10.20.1.100-150, 10.20.3.10, fe80::e059:5c8f:a486:a4ea-a4ef, 2001:db8::8a2e:370:7334
 DontRespondTo = 
 
 ; Specific NBT-NS/LLMNR names not to respond to (default = None)

poisoners/LLMNR.py

@@ -41,7 +41,7 @@ def IsICMPRedirectPlausible(IP):
 			elif ip[0] == 'nameserver':
 				dnsip.extend(ip[1:])
 		for x in dnsip:
-			if x != "127.0.0.1" and IsOnTheSameSubnet(x,IP) is False:
+			if x != "127.0.0.1" and IsIPv6IP(x) is False and IsOnTheSameSubnet(x,IP) is False:	#Temp fix to ignore IPv6 DNS addresses
 				print(color("[Analyze mode: ICMP] You can ICMP Redirect on this network.", 5))
 				print(color("[Analyze mode: ICMP] This workstation (%s) is not on the same subnet than the DNS server (%s)." % (IP, x), 5))
 				print(color("[Analyze mode: ICMP] Use `python tools/Icmp-Redirect.py` for more details.", 5))

settings.py

@@ -45,6 +45,37 @@ class Settings:
 		def expand_ranges(lst):	
 			ret = []
 			for l in lst:
+				if ':' in l: #For IPv6 addresses, similar to the IPv4 version below but hex and pads :'s to expand shortend addresses 
+					while l.count(':') < 7: 
+						pos = l.find('::')
+						l = l[:pos] + ':' + l[pos:]
+					tab = l.split(':')
+					x = {}
+					i = 0
+					xaddr = ''
+					for byte in tab:
+						if byte == '':
+							byte = '0'
+						if '-' not in byte:
+							x[i] = x[i+1] = int(byte, base=16)
+						else:
+							b = byte.split('-')
+							x[i] = int(b[0], base=16)
+							x[i+1] = int(b[1], base=16)
+						i += 2
+					for a in range(x[0], x[1]+1):
+						for b in range(x[2], x[3]+1):
+							for c in range(x[4], x[5]+1):
+								for d in range(x[6], x[7]+1):
+									for e in range(x[8], x[9]+1):
+										for f in range(x[10], x[11]+1):
+											for g in range(x[12], x[13]+1):
+												for h in range(x[14], x[15]+1):
+													xaddr = ('%x:%x:%x:%x:%x:%x:%x:%x' % (a, b, c, d, e, f, g, h))
+													xaddr = re.sub('(^|:)0{1,4}', ':', xaddr, count = 7)#Compresses expanded IPv6 address
+													xaddr = re.sub(':{3,7}', '::', xaddr, count = 7)
+													ret.append(xaddr)
+				else:				
 					tab = l.split('.')
 					x = {}
 					i = 0