Dns

For starting DNS test:

1. run "bash run.sh" in dns directory
2. type a domain you want to find the IP for in
3. type the requested record in
4. enjoy the answer :D

Messaging Protocol:

example message of client stub to auth_server/rec_server

msg = {"dns.flags.response": 0, "dns.flags.recdesired": 1, "dns.qry.name": "www.nawrocki.tns.", "dns.qry.type": 1 }

example of response message of auth_server to rec_resolver or client_stub

x = { "dns.flags.response": 0, #0 = ist keine Antwort; 1 = ist eine Antwort "dns.flags.recdesired":1, "dns.qry.name":2, "dns.qry.type":3, "dns.flags.rcode":4, "dns.count.answers":5, "dns.flags.authoritative":6, "dns.a":7, "dns.ns":8, "dns.resp.ttl":9 }

DNS Record type information: https://docs.google.com/document/d/1q2gzjt7D4LNAf4FEHRPRwA7XdVkzGpxrIhje4u7M4HQ/edit?usp=sharing