diff --git a/vendor/github.com/docker/docker/client/client.go b/vendor/github.com/docker/docker/client/client.go index 1c081a5..54fa36c 100644 --- a/vendor/github.com/docker/docker/client/client.go +++ b/vendor/github.com/docker/docker/client/client.go @@ -56,6 +56,36 @@ import ( "github.com/pkg/errors" ) +// DummyHost is a hostname used for local communication. +// +// It acts as a valid formatted hostname for local connections (such as "unix://" +// or "npipe://") which do not require a hostname. It should never be resolved, +// but uses the special-purpose ".localhost" TLD (as defined in [RFC 2606, Section 2] +// and [RFC 6761, Section 6.3]). +// +// [RFC 7230, Section 5.4] defines that an empty header must be used for such +// cases: +// +// If the authority component is missing or undefined for the target URI, +// then a client MUST send a Host header field with an empty field-value. +// +// However, [Go stdlib] enforces the semantics of HTTP(S) over TCP, does not +// allow an empty header to be used, and requires req.URL.Scheme to be either +// "http" or "https". +// +// For further details, refer to: +// +// - https://github.com/docker/engine-api/issues/189 +// - https://github.com/golang/go/issues/13624 +// - https://github.com/golang/go/issues/61076 +// - https://github.com/moby/moby/issues/45935 +// +// [RFC 2606, Section 2]: https://www.rfc-editor.org/rfc/rfc2606.html#section-2 +// [RFC 6761, Section 6.3]: https://www.rfc-editor.org/rfc/rfc6761#section-6.3 +// [RFC 7230, Section 5.4]: https://datatracker.ietf.org/doc/html/rfc7230#section-5.4 +// [Go stdlib]: https://github.com/golang/go/blob/6244b1946bc2101b01955468f1be502dbadd6807/src/net/http/transport.go#L558-L569 +const DummyHost = "api.moby.localhost" + // ErrRedirect is the error returned by checkRedirect when the request is non-GET. var ErrRedirect = errors.New("unexpected redirect in response") diff --git a/vendor/github.com/docker/docker/client/hijack.go b/vendor/github.com/docker/docker/client/hijack.go index 6bdacab..db9b02e 100644 --- a/vendor/github.com/docker/docker/client/hijack.go +++ b/vendor/github.com/docker/docker/client/hijack.go @@ -64,7 +64,10 @@ func fallbackDial(proto, addr string, tlsConfig *tls.Config) (net.Conn, error) { } func (cli *Client) setupHijackConn(ctx context.Context, req *http.Request, proto string) (net.Conn, string, error) { - req.Host = cli.addr + if cli.proto == "unix" || cli.proto == "npipe" { + // For local communications, it doesn't matter what the host is. + req.URL.Host = DummyHost + } req.Header.Set("Connection", "Upgrade") req.Header.Set("Upgrade", proto) diff --git a/vendor/github.com/docker/docker/client/request.go b/vendor/github.com/docker/docker/client/request.go index c799095..8f43553 100644 --- a/vendor/github.com/docker/docker/client/request.go +++ b/vendor/github.com/docker/docker/client/request.go @@ -98,12 +98,12 @@ func (cli *Client) buildRequest(method, path string, body io.Reader, headers hea req = cli.addHeaders(req, headers) if cli.proto == "unix" || cli.proto == "npipe" { - // For local communications, it doesn't matter what the host is. We just - // need a valid and meaningful host name. (See #189) - req.Host = "docker" + // For local communications, it doesn't matter what the host is. + req.URL.Host = DummyHost + } else { + req.URL.Host = cli.addr } - req.URL.Host = cli.addr req.URL.Scheme = cli.scheme if expectedPayload && req.Header.Get("Content-Type") == "" {