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Thingsbus service discovery with SRV records #6

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eastein opened this issue Aug 7, 2015 · 0 comments
Open

Thingsbus service discovery with SRV records #6

eastein opened this issue Aug 7, 2015 · 0 comments

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@eastein
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eastein commented Aug 7, 2015

Match eastein/thingsbus#14.

This will require implementing a new DNS resolver as the one built into LWIP is completely focused on A records.

Support DNS compression (see http://www.tcpipguide.com/free/t_DNSNameNotationandMessageCompressionTechnique-2.htm & RFC 1035). Ensure we follow at least the case sensitivity rules for RFC 4343, dns case insensitivity clarification.
https://www.ietf.org/rfc/rfc1035.txt

SRV rfc: https://www.ietf.org/rfc/rfc2782.txt

http://www.firewall.cx/networking-topics/protocols/domain-name-system-dns/161-protocols-dns-response.html
eastein added a commit that referenced this issue Aug 9, 2015
@eastein
For #5 - add tinytest by Joe Walnes & add some tests for dns_compare_…
4ae2083 
…name (taken from lwip). Add dns_compare_name function initial pull in with some added parameters that I'll be using to support name compression while working on #6.
eastein added a commit that referenced this issue Aug 11, 2015
@eastein
seemingly working dns compression decoding (but without bounds checki…
a6f4108 
…ng, tsk tsk) - for #6
eastein added a commit that referenced this issue Aug 11, 2015
@eastein
more range checks to avoid overrunning buffer for #6
bd63194
eastein added a commit that referenced this issue Aug 14, 2015
@eastein
for #6 - dns is case insensitive, according to some very specific rul…
21486f9 
…es in rfc 4343
eastein added a commit that referenced this issue Aug 15, 2015
@eastein
For #6 - pointers are for trailing fragments of names or whole names,…
956e0a2 
… not labels - mistaken implementation.
eastein added a commit that referenced this issue Jan 30, 2016
@eastein
random number generator based on the hardware one - not sure if it's …
2666fe2 
…very good yet, but it's got an entropy pool etc. for #6 - to be used in dns
eastein added a commit that referenced this issue Jan 30, 2016
@eastein
For #6 - update dns to use esp rng, although it's not using the new e…
c12cc09 
…ntropy pool yet. Add some debugging use of the entropy pool. Optimize a little using flash attributes.
eastein added a commit that referenced this issue Jan 30, 2016
@eastein
for #6 - use rng pool from bk_rng in dns.h, add 16, 32, and 64 bit rn…
72f3b32 
…g get functions, and tidy up log prints.
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