IPv6 address support in S3

[drake127]

Describe the bug

The commit cb67425 introduced IPv6 address support in AWS core but it's still failing in AWSClient.cpp and function Aws::Utils::IsValidHost()

Expected behavior

Connection to http://[::1]:8000 should work.

Current behavior

Currently, the request fails with Invalid DNS Label found in URI host error

Steps to Reproduce

Create an S3 bucket using bracketed IPv6 address with explicit port, e.g. http://[::1]:8000

Possible Solution

It appears that half-work is already done and Aws::Utils::IsValidHost needs to understand bracketed GetAuthority, or rather IPs.

AWS CPP SDK version used

1.9.185

Compiler and Version used

gcc-9

Operating System and version

Ubuntu 20.04

[KaibaLopez]

Hi @drake127 ,
Hmmm... So you are right about it not working, but I am pretty sure this is something we don't support for s3 yet... just a matter of syntax but I think this is a feature in the works rather than a bug.

[DmitriyMusatkin]

This should now be supported in 1.11 with the rule based endpoint resolution which does understand ipv6 endpoint overrides.

[github-actions]

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