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Better error handling for transparent mode remote address resolution.

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This commit is contained in:
Aldo Cortesi 2013-01-01 11:24:11 +13:00
parent e2dc7ba09d
commit e42136a6ef
2 changed files with 8 additions and 2 deletions
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5
libmproxy/platform/osx.py
View File

@ -16,5 +16,8 @@ class Resolver:
def original_addr(self, csock):
peer = csock.getpeername()
stxt = subprocess.check_output(self.STATECMD, stderr=subprocess.STDOUT)
try:
stxt = subprocess.check_output(self.STATECMD, stderr=subprocess.STDOUT)
except subprocess.CalledProcessError:
return None
return pf.lookup(peer[0], peer[1], stxt)

5
libmproxy/proxy.py
View File

@ -267,7 +267,10 @@ class ProxyHandler(tcp.BaseHandler):
def read_request(self, client_conn):
if self.config.transparent_proxy:
host, port = self.config.transparent_proxy["resolver"].original_addr(self.connection)
orig = self.config.transparent_proxy["resolver"].original_addr(self.connection)
if not orig:
raise ProxyError(502, "Transparent mode failure: could not resolve original destination.")
host, port = orig
if not self.ssl_established and (port in self.config.transparent_proxy["sslports"]):
scheme = "https"
certfile = self.find_cert(host, port, None)