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Blindly implement HTTP to DNS forwarding option

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This commit is contained in:
Klaus-Uwe Mitterer 2017-10-09 19:57:17 +02:00
parent 7ade18b2e0
commit 64daa71c84
1 changed files with 14 additions and 1 deletions
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15
client/run.py
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@ -6,6 +6,9 @@ import dns.resolver
import dnslib import dnslib
import dnslib.server import dnslib.server
dnshandler = False
httphandler = False
class SuperResolver(dnslib.server.BaseResolver): class SuperResolver(dnslib.server.BaseResolver):
def __init__(self, raddr, rport, timeout = 0): def __init__(self, raddr, rport, timeout = 0):
self.raddr = raddr self.raddr = raddr
@ -20,12 +23,19 @@ class SuperResolver(dnslib.server.BaseResolver):
self.rip = str(resolver.query(raddr)[0]) self.rip = str(resolver.query(raddr)[0])
class HTTPResolver(SuperResolver): class HTTPResolver(SuperResolver):
def __init__(self, raddr = "httpns.kumi.systems", rport = 9539, timeout = 0): def __init__(self, raddr = "httpns.kumi.systems", rport = 9539, timeout = 0, forwarding = False):
global dnshandler
SuperResolver.__init__(self, raddr, rport, timeout) SuperResolver.__init__(self, raddr, rport, timeout)
self.forwarding = forwarding
def resolve(self, req, handler): def resolve(self, req, handler):
rep = req.reply() rep = req.reply()
rep.header.rcode = getattr(dnslib.RCODE, "NXDOMAIN") rep.header.rcode = getattr(dnslib.RCODE, "NXDOMAIN")
if forwarding and rep.header.rcode == getattr(dnslib.RCODE, "NXDOMAIN"):
rep = dnshandler.resolve(req, handler)
return rep return rep
class DNSResolver(SuperResolver): class DNSResolver(SuperResolver):
@ -42,3 +52,6 @@ class DNSResolver(SuperResolver):
return rep return rep
if __name__ == "__main__":
dnshandler = DNSResolver()
httphandler = HTTPResolver()