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Merge pull request #49 from byt3bl33d3r/master

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Fixes MDNS Name parsing error (Issue #47)
This commit is contained in:
lgandx 2015-08-03 10:00:46 -04:00
commit d40fe44bcf
1 changed files with 10 additions and 7 deletions
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17
poisoners/MDNS.py
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@ -23,12 +23,15 @@ from packets import MDNS_Ans
from utils import *
def Parse_MDNS_Name(data):
data = data[12:]
NameLen = struct.unpack('>B',data[0])[0]
Name = data[1:1+NameLen]
NameLen_ = struct.unpack('>B',data[1+NameLen])[0]
Name_ = data[1+NameLen:1+NameLen+NameLen_+1]
return Name+'.'+Name_
try:
data = data[12:]
NameLen = struct.unpack('>B',data[0])[0]
Name = data[1:1+NameLen]
NameLen_ = struct.unpack('>B',data[1+NameLen])[0]
Name_ = data[1+NameLen:1+NameLen+NameLen_+1]
return Name+'.'+Name_
except IndexError:
return None
def Poisoned_MDNS_Name(data):
data = data[12:]
@ -46,7 +49,7 @@ class MDNS(BaseRequestHandler):
Request_Name = Parse_MDNS_Name(data)
# Break out if we don't want to respond to this host
if RespondToThisHost(self.client_address[0], Request_Name) is not True:
if (not Request_Name) or (RespondToThisHost(self.client_address[0], Request_Name) is not True):
return None
try: