commit 1e692a0412a3abee62e72d3330a7ef93b0825405 Author: Arturo Filastò art@fuffa.org Date: Fri Feb 1 21:38:39 2013 +0100

Properly handle errors when DNS lookups --- nettests/blocking/dnstamper.py | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/nettests/blocking/dnstamper.py b/nettests/blocking/dnstamper.py index 1ef2c89..1e4d260 100644 --- a/nettests/blocking/dnstamper.py +++ b/nettests/blocking/dnstamper.py @@ -114,7 +114,14 @@ class DNSTamperTest(dnst.DNSTest): log.msg("Testing resolver: %s" % test_resolver) test_dns_server = (test_resolver, 53)

- experiment_answers = yield self.performALookup(hostname, test_dns_server) + try: + experiment_answers = yield self.performALookup(hostname, test_dns_server) + except Exception, e: + log.err("Problem performing the DNS lookup") + log.exception(e) + self.report['tampering'][test_resolver] = 'dns_lookup_error' + continue + if not experiment_answers: log.err("Got no response, perhaps the DNS resolver is down?") self.report['tampering'][test_resolver] = 'no_answer'