From 872e11deb29e87eddcfaca76d555acc16e329653 Mon Sep 17 00:00:00 2001 From: Camil Staps Date: Thu, 14 Apr 2016 20:07:12 +0200 Subject: Added project2 framework --- project2/proj2_s4498062/dns_client.py | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 project2/proj2_s4498062/dns_client.py (limited to 'project2/proj2_s4498062/dns_client.py') diff --git a/project2/proj2_s4498062/dns_client.py b/project2/proj2_s4498062/dns_client.py new file mode 100644 index 0000000..ab92f31 --- /dev/null +++ b/project2/proj2_s4498062/dns_client.py @@ -0,0 +1,28 @@ +#!/usr/bin/env python2 + +""" Simple DNS client + +A simple example of a client using the DNS resolver. +""" + +import dns.resolver + +if __name__ == "__main__": + # Parse arguments + import argparse + parser = argparse.ArgumentParser(description="DNS Client") + parser.add_argument("hostname", help="hostname to resolve") + parser.add_argument("-c", "--caching", action="store_true", + help="Enable caching") + parser.add_argument("-t", "--ttl", metavar="time", type=int, default=0, + help="TTL value of cached entries") + args = parser.parse_args() + + # Resolve hostname + resolver = dns.resolver.Resolver(["localhost"], 15, args.caching, args.ttl) + hostname, aliases, addresses = resolver.gethostbyname(args.hostname) + + # Print output + print(hostname) + print(aliases) + print(addresses) -- cgit v1.2.3