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http3: expose ALPN values (#3580)

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This commit is contained in:
Marten Seemann
2022-10-11 14:27:49 +03:00
committed by GitHub
parent fe277dc663
commit c75bf49422
3 changed files with 13 additions and 11 deletions
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12
http3/server.go
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@@ -28,8 +28,10 @@ var (
)
const (
nextProtoH3Draft29 = "h3-29"
nextProtoH3 = "h3"
// NextProtoH3Draft29 is the ALPN protocol negotiated during the TLS handshake, for QUIC draft 29.
NextProtoH3Draft29 = "h3-29"
// NextProtoH3 is the ALPN protocol negotiated during the TLS handshake, for QUIC v1 and v2.
NextProtoH3 = "h3"
)
// StreamType is the stream type of a unidirectional stream.
@@ -44,10 +46,10 @@ const (
func versionToALPN(v protocol.VersionNumber) string {
if v == protocol.Version1 || v == protocol.Version2 {
return nextProtoH3
return NextProtoH3
}
if v == protocol.VersionTLS || v == protocol.VersionDraft29 {
return nextProtoH3Draft29
return NextProtoH3Draft29
}
return ""
}
@@ -62,7 +64,7 @@ func ConfigureTLSConfig(tlsConf *tls.Config) *tls.Config {
return &tls.Config{
GetConfigForClient: func(ch *tls.ClientHelloInfo) (*tls.Config, error) {
// determine the ALPN from the QUIC version used
proto := nextProtoH3
proto := NextProtoH3
if qconn, ok := ch.Conn.(handshake.ConnWithVersion); ok {
proto = versionToALPN(qconn.GetQUICVersion())
}