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crypto/tls: support QUIC as a transport

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Add a QUICConn type for use by QUIC implementations.

A QUICConn provides unencrypted handshake bytes and connection
secrets to the QUIC layer, and receives handshake bytes.

For #44886

Change-Id: I859dda4cc6d466a1df2fb863a69d3a2a069110d5
Reviewed-on: https://go-review.googlesource.com/c/go/+/493655
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Marten Seemann <martenseemann@gmail.com>
This commit is contained in:
Damien Neil 2022-10-14 10:48:42 -07:00
parent 32e60edd6d
commit b7691e8126
11 changed files with 1077 additions and 50 deletions
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8
handshake_server.go
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@ -218,7 +218,7 @@ func (hs *serverHandshakeState) processClientHello() error {
c.serverName = hs.clientHello.serverName
}
selectedProto, err := negotiateALPN(c.config.NextProtos, hs.clientHello.alpnProtocols)
selectedProto, err := negotiateALPN(c.config.NextProtos, hs.clientHello.alpnProtocols, false)
if err != nil {
c.sendAlert(alertNoApplicationProtocol)
return err
@ -279,8 +279,12 @@ func (hs *serverHandshakeState) processClientHello() error {
// negotiateALPN picks a shared ALPN protocol that both sides support in server
// preference order. If ALPN is not configured or the peer doesn't support it,
// it returns "" and no error.
func negotiateALPN(serverProtos, clientProtos []string) (string, error) {
func negotiateALPN(serverProtos, clientProtos []string, quic bool) (string, error) {
if len(serverProtos) == 0 || len(clientProtos) == 0 {
if quic && len(serverProtos) != 0 {
// RFC 9001, Section 8.1
return "", fmt.Errorf("tls: client did not request an application protocol")
}
return "", nil
}
var http11fallback bool