net/http: update bundled http2

Updates x/net/http2 to git rev 2e9cee70 for https://golang.org/cl/18801

Change-Id: I4689c5704bb0b12d569925f81c3e699857ea463e
Reviewed-on: https://go-review.googlesource.com/18931
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

diff --git a/src/net/http/h2_bundle.go b/src/net/http/h2_bundle.go
index bdbdadb5b28ebbea0a90725899745f093f64b1b5..21106419559a13340b0fdcc46a7b296d2cea6b95 100644 (file)
--- a/src/net/http/h2_bundle.go
+++ b/src/net/http/h2_bundle.go
@@ -2098,6 +2098,8 @@ func http2validHeaderFieldName(v string) bool {
 // validHeaderFieldValue reports whether v is a valid header field value.
 //
 // RFC 7230 says:
+//  field-value    = *( field-content / obs-fold )
+//  obj-fold       =  N/A to http2, and deprecated
 //  field-content  = field-vchar [ 1*( SP / HTAB ) field-vchar ]
 //  field-vchar    = VCHAR / obs-text
 //  obs-text       = %x80-FF
@@ -2117,7 +2119,7 @@ func http2validHeaderFieldName(v string) bool {
 // strings that begin or end with SP or HTAB.
 func http2validHeaderFieldValue(v string) bool {
        for i := 0; i < len(v); i++ {
-               if b := v[i]; b < ' ' && b != '\t' {
+               if b := v[i]; b < ' ' && b != '\t' || b == 0x7f {
                        return false
                }
        }