diff options
Diffstat (limited to 'modules/caddyhttp/reverseproxy/caddyfile.go')
| -rw-r--r-- | modules/caddyhttp/reverseproxy/caddyfile.go | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/modules/caddyhttp/reverseproxy/caddyfile.go b/modules/caddyhttp/reverseproxy/caddyfile.go index 003f676..f4556ea 100644 --- a/modules/caddyhttp/reverseproxy/caddyfile.go +++ b/modules/caddyhttp/reverseproxy/caddyfile.go @@ -131,12 +131,15 @@ func (h *Handler) UnmarshalCaddyfile(d *caddyfile.Dispenser) error { if toURL.Scheme == "https" && urlPort == "80" { return "", d.Err("upstream address has conflicting scheme (https://) and port (:80, the HTTP port)") } + if toURL.Scheme == "h2c" && urlPort == "443" { + return "", d.Err("upstream address has conflicting scheme (h2c://) and port (:443, the HTTPS port)") + } // if port is missing, attempt to infer from scheme if toURL.Port() == "" { var toPort string switch toURL.Scheme { - case "", "http": + case "", "http", "h2c": toPort = "80" case "https": toPort = "443" @@ -565,8 +568,9 @@ func (h *Handler) UnmarshalCaddyfile(d *caddyfile.Dispenser) error { } // if the scheme inferred from the backends' addresses is - // HTTPS, we will need a non-nil transport to enable TLS - if commonScheme == "https" && transport == nil { + // HTTPS, we will need a non-nil transport to enable TLS, + // or if H2C, to set the transport versions. + if (commonScheme == "https" || commonScheme == "h2c") && transport == nil { transport = new(HTTPTransport) transportModuleName = "http" } @@ -583,6 +587,9 @@ func (h *Handler) UnmarshalCaddyfile(d *caddyfile.Dispenser) error { if commonScheme == "http" && te.TLSEnabled() { return d.Errf("upstream address scheme is HTTP but transport is configured for HTTP+TLS (HTTPS)") } + if te, ok := transport.(*HTTPTransport); ok && commonScheme == "h2c" { + te.Versions = []string{"h2c", "2"} + } } else if commonScheme == "https" { return d.Errf("upstreams are configured for HTTPS but transport module does not support TLS: %T", transport) } |