RGBCube/serenity
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6 commits

Author SHA1 Message Date
Andreas Kling
cf3b58fbe8 Services: Renamed from Servers 
It didn't feel right to have a "DHCPClient" in a "Servers" directory.
Rename this to Services to better reflect the type of programs we'll
be putting in there.
 2020-05-08 21:57:44 +02:00
Andreas Kling
537a1d31c5 LookupServer: Add missing copyright headers 2020-01-26 13:53:36 +01:00
Andreas Kling
a9ec2225a5 LookupServer: Retry with 0x20 randomization turned off on EREFUSED 
Apparently some authoritative servers don't handle 0x20 randomization
well and may send EREFUSED. Retry with randomization turned off then.

Reference: https://github.com/dns-violations/dns-violations/blob/master/2017/DVE-2017-0006.md

More work towards #10.
 2020-01-26 13:49:46 +01:00
Andreas Kling
b4d55b16b6 LookupServer: Randomize the 0x20 bit in DNS request ASCII characters 
This adds a bit of extra entropy to DNS requests, making it harder to
spoof a valid response.

Suggested by @zecke in #10.
 2020-01-26 13:07:21 +01:00
Andreas Kling
02be23cf81 LookupServer: Randomize DNS request ID's 
Suggested by @zecke in #10.
 2020-01-26 12:38:49 +01:00
Andreas Kling
871b6b4e1a LookupServer: Minor overhaul 
- Break out request building into a DNSRequest class.
- Break out response parsing into a DNSResponse class.

A DNSRequest contains one or more DNSQuestion objects.
A DNSResponse contains all the DNSQuestions asked, and a DNSAnswer
object for each answer.
 2020-01-26 12:37:08 +01:00