RELEASE: Go 1.21 (#216)

* sync: Go 1.21.0

* [release-branch.go1.21] crypto/tls: change SendSessionTicket to take an options struct

To allow for future evolution of the API, make
QUICConn.SendSessionTicket take a QUICSessionTicketOptions
rather than a single bool.

Change-Id: I798fd0feec5c7581e3c3574e2de99611c81df47f
Reviewed-on: https://go-review.googlesource.com/c/go/+/514997
Reviewed-by: Roland Shoemaker <roland@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Marten Seemann <martenseemann@gmail.com>
(cherry picked from commit a915b99)
Reviewed-on: https://go-review.googlesource.com/c/go/+/515335
Auto-Submit: Damien Neil <dneil@google.com>
Co-Authored-By: Damien Neil <52544+neild@users.noreply.github.com>

* new: CI bump up to use Go 1.21.0 stable release

* fix: better CI streamline for multi-platform

---------

Co-authored-by: Damien Neil <52544+neild@users.noreply.github.com>

.github/workflows/go_1_20.yml → .github/workflows/go.yml

@@ -1,7 +1,7 @@
 # This workflow will build a golang project
 # For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
 
-name: "Go 1.20"
+name: "Go"
 
 on:
   push:
@@ -10,18 +10,20 @@ on:
     branches: [ "master" ]
 
 jobs:
-  go_build_test:
-    runs-on: ubuntu-latest
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ "ubuntu-latest", "windows-latest", "macos-latest" ]
+        go: [ "1.20.x", "1.21.0" ]
+    runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
-
-    - name: Set up Go
-      uses: actions/setup-go@v4
+    - uses: actions/setup-go@v4
       with:
-        go-version: '1.20.7'
-
+        go-version: ${{ matrix.go }}
+    - run: go version
     - name: Build
       run: go build -v ./...
-
     - name: Test
-      run: go test -v ./...
+      run: go test -v ./...

README.md

@@ -1,6 +1,5 @@
 # ![uTLS](logo_small.png) uTLS
-[![Build Status](https://github.com/refraction-networking/utls/actions/workflows/go_1_20.yml/badge.svg?branch=master)](https://github.com/refraction-networking/utls/actions/workflows/go_1_20.yml) 
-[![Build Status](https://github.com/refraction-networking/utls/actions/workflows/go_1_21.yml/badge.svg?branch=master)](https://github.com/refraction-networking/utls/actions/workflows/go_1_21.yml) 
+[![Build Status](https://github.com/refraction-networking/utls/actions/workflows/go.yml/badge.svg?branch=master)](https://github.com/refraction-networking/utls/actions/workflows/go.yml) 
 [![godoc](https://img.shields.io/badge/godoc-reference-blue.svg)](https://godoc.org/github.com/refraction-networking/utls#UConn)
 ---
 uTLS is a fork of "crypto/tls", which provides ClientHello fingerprinting resistance, low-level access to handshake, fake session tickets and some other features. Handshake is still performed by "crypto/tls", this library merely changes ClientHello part of it and provides low-level access.  

quic.go

@@ -246,10 +246,15 @@ func (q *QUICConn) HandleData(level QUICEncryptionLevel, data []byte) error {
 	return nil
 }
 
+type QUICSessionTicketOptions struct {
+	// EarlyData specifies whether the ticket may be used for 0-RTT.
+	EarlyData bool
+}
+
 // SendSessionTicket sends a session ticket to the client.
 // It produces connection events, which may be read with NextEvent.
 // Currently, it can only be called once.
-func (q *QUICConn) SendSessionTicket(earlyData bool) error {
+func (q *QUICConn) SendSessionTicket(opts QUICSessionTicketOptions) error {
 	c := q.conn
 	if !c.isHandshakeComplete.Load() {
 		return quicError(errors.New("tls: SendSessionTicket called before handshake completed"))
@@ -261,7 +266,7 @@ func (q *QUICConn) SendSessionTicket(earlyData bool) error {
 		return quicError(errors.New("tls: SendSessionTicket called multiple times"))
 	}
 	q.sessionTicketSent = true
-	return quicError(c.sendSessionTicket(earlyData))
+	return quicError(c.sendSessionTicket(opts.EarlyData))
 }
 
 // ConnectionState returns basic TLS details about the connection.

quic_test.go

@@ -125,7 +125,8 @@ func runTestQUICConnection(ctx context.Context, cli, srv *testQUICConn, onHandle
 		case QUICHandshakeDone:
 			a.complete = true
 			if a == srv {
-				if err := srv.conn.SendSessionTicket(false); err != nil {
+				opts := QUICSessionTicketOptions{}
+				if err := srv.conn.SendSessionTicket(opts); err != nil {
 					return err
 				}
 			}