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Handle bracketed IPv6 addresses without ports #6057

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merged 2 commits into from Dec 8, 2017

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zeha commented Dec 5, 2017

dnsdist's newServer source parameter is documented to take values
of those forms (plus some more):

  • v4 address ("192.0.2.1")
  • v6 address ("2001:DB8::1")

For consistency, bracketed addresses ("[2001:DB8::1]") should work too, and all of them
should have a test.

Example that would previously "fail":

newServer({name="pdns", address="[::1]:5300", source="[::1]"}):setUp()

Gives:

Dismissing source [::1] because '[::1]' is not a valid interface name
Added downstream server [::1]:5300

Checklist

I have:

  • read the CONTRIBUTING.md document
  • compiled and tested this code
  • included documentation (including possible behaviour changes)
  • documented the code
  • added or modified regression test(s)
  • added or modified unit test(s)
Handle bracketed IPv6 addresses without ports
dnsdist's newServer source parameter is documented to take values
of those forms (plus some more):
  - v4 address ("192.0.2.1")
  - v6 address ("2001:DB8::1")

For consistency, bracketed addresses should work too, and all of them
should have a test.

@zeha zeha requested a review from rgacogne Dec 5, 2017

@rgacogne

Looks good to me!

catch(std::out_of_range) {
return -1;
if (pos + 1 == addr.size()) {
port = 0;

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@rgacogne

rgacogne Dec 6, 2017

Member

It looks like setting port to 0 without setting portSet to true is useless?

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@zeha

zeha Dec 6, 2017

Collaborator

Hmmm yes. Will change that if()...

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@zeha

zeha Dec 6, 2017

Collaborator

@rgacogne fixed this!

@rgacogne rgacogne merged commit f50f10a into PowerDNS:master Dec 8, 2017

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@zeha zeha deleted the zeha:combo-ipv6 branch Jan 29, 2018

rgacogne added a commit to rgacogne/pdns that referenced this pull request Feb 14, 2018

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