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Specify what happens when IPv6 is unavailable #779
Description
Consider the URL with https://[::1]/. The scheme is https, the authority is the IPv6 literal [::1], and the path-and-query is /. Wasmtime currently fails to set [::1] as an authority. I guess this is a lack of IPv6, though cc @lann for input.
Anyway let's consider that it's OK to not support IPv6. When should an error occur?
MHO: when a request is actually handled. This would be consistent with the language in the WIT:
/// It is possible to construct, or manipulate with the accessor functions
/// below, a `request` with an invalid combination of `scheme`
/// and `authority`, or `headers` which are not permitted to be sent.
/// It is the obligation of the `handler.handle` implementation
/// to reject invalid constructions of `request`.
Activity
lann commentedon Oct 2, 2025
Do you mean that
request.set-authorityis failing? That would be a straightforward bug since it should only fail "if the string given is not a syntactically valid URI authority."wingo commentedon Oct 2, 2025
Correct,
request.set_authority(Some(&"[::1]".to_string()))fails.lann commentedon Oct 2, 2025
Looks like a plain old spec violation to me.
pchickey commentedon Oct 2, 2025
Agreed, thats a bug in wasmtime.