diff options
Diffstat (limited to 'vendor/golang.org/x/net/http2/write.go')
| -rw-r--r-- | vendor/golang.org/x/net/http2/write.go | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/vendor/golang.org/x/net/http2/write.go b/vendor/golang.org/x/net/http2/write.go index 3849bc263..33f61398a 100644 --- a/vendor/golang.org/x/net/http2/write.go +++ b/vendor/golang.org/x/net/http2/write.go @@ -341,7 +341,12 @@ func encodeHeaders(enc *hpack.Encoder, h http.Header, keys []string) { } for _, k := range keys { vv := h[k] - k = lowerHeader(k) + k, ascii := lowerHeader(k) + if !ascii { + // Skip writing invalid headers. Per RFC 7540, Section 8.1.2, header + // field names have to be ASCII characters (just as in HTTP/1.x). + continue + } if !validWireHeaderFieldName(k) { // Skip it as backup paranoia. Per // golang.org/issue/14048, these should |