[bug #56280] lwIP DNS need to support CNAME Resource Record

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[bug #56280] lwIP DNS need to support CNAME Resource Record

Wilfred
URL:
  <https://savannah.nongnu.org/bugs/?56280>

                 Summary: lwIP DNS need to support CNAME Resource Record
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: kevingao
            Submitted on: Tue 07 May 2019 07:32:55 AM UTC
                Category: DNS
                Severity: 3 - Normal
              Item Group: Feature Request
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
            lwIP version: git head

    _______________________________________________________

Details:

As most of the DNS Standard query response contains CNAME resource record to
declare the alias name of the domain name which need to be resolved, so I
think lwIP need to support CNAME RR, else most of the DNS domain name
resolution would be failed to make the DNS APIs unusable, such as getaddrinfo.




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[bug #56280] lwIP DNS need to support CNAME Resource Record

Wilfred
Follow-up Comment #1, bug #56280 (project lwip):

I don't see why. A recursive DNS server should do the recursion and answer all
records up to A/AAAA (or whatever asked) records.

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[bug #56280] lwIP DNS need to support CNAME Resource Record

Wilfred
Follow-up Comment #2, bug #56280 (project lwip):

Ping?

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