add support for Go 1.18

.github/workflows/integration.yml

@@ -5,7 +5,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go: [ "1.16.x", "1.17.x" ]
+        go: [ "1.16.x", "1.17.x", "1.18.0-beta1" ]
     runs-on: ubuntu-latest
     env:
       DEBUG: false # set this to true to export qlogs and save them as artifacts

.github/workflows/unit.yml

@@ -7,7 +7,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ "ubuntu", "windows", "macos" ]
-        go: [ "1.16.x", "1.17.x" ]
+        go: [ "1.16.x", "1.17.x", "1.18.0-beta1" ]
     runs-on: ${{ matrix.os }}-latest
     name: Unit tests (${{ matrix.os}}, Go ${{ matrix.go }})
     steps:

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/marten-seemann/qpack v0.2.1
 	github.com/marten-seemann/qtls-go1-16 v0.1.4
 	github.com/marten-seemann/qtls-go1-17 v0.1.0
+	github.com/marten-seemann/qtls-go1-18 v0.1.0-beta.1
 	github.com/onsi/ginkgo v1.16.4
 	github.com/onsi/gomega v1.13.0
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9

go.sum

@@ -85,6 +85,8 @@ github.com/marten-seemann/qtls-go1-16 v0.1.4 h1:xbHbOGGhrenVtII6Co8akhLEdrawwB2i
 github.com/marten-seemann/qtls-go1-16 v0.1.4/go.mod h1:gNpI2Ol+lRS3WwSOtIUUtRwZEQMXjYK+dQSBFbethAk=
 github.com/marten-seemann/qtls-go1-17 v0.1.0 h1:P9ggrs5xtwiqXv/FHNwntmuLMNq3KaSIG93AtAZ48xk=
 github.com/marten-seemann/qtls-go1-17 v0.1.0/go.mod h1:fz4HIxByo+LlWcreM4CZOYNuz3taBQ8rN2X6FqvaWo8=
+github.com/marten-seemann/qtls-go1-18 v0.1.0-beta.1 h1:EnzzN9fPUkUck/1CuY1FlzBaIYMoiBsdwTNmNGkwUUM=
+github.com/marten-seemann/qtls-go1-18 v0.1.0-beta.1/go.mod h1:PUhIQk19LoFt2174H4+an8TYvWOGjb/hHwphBeaDHwI=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/microcosm-cc/bluemonday v1.0.1/go.mod h1:hsXNsILzKxV+sX77C5b8FSuKF00vh2OMYv+xgHpAMF4=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=

internal/qtls/go117.go

@@ -1,5 +1,5 @@
-//go:build go1.17
-// +build go1.17
+//go:build go1.17 && !go1.18
+// +build go1.17,!go1.18
 
 package qtls
 

internal/qtls/go118.go

@@ -3,4 +3,98 @@
 
 package qtls
 
-var _ int = "quic-go doesn't build on Go 1.18 yet."
+import (
+	"crypto"
+	"crypto/cipher"
+	"crypto/tls"
+	"net"
+	"unsafe"
+
+	"github.com/marten-seemann/qtls-go1-18"
+)
+
+type (
+	// Alert is a TLS alert
+	Alert = qtls.Alert
+	// A Certificate is qtls.Certificate.
+	Certificate = qtls.Certificate
+	// CertificateRequestInfo contains inforamtion about a certificate request.
+	CertificateRequestInfo = qtls.CertificateRequestInfo
+	// A CipherSuiteTLS13 is a cipher suite for TLS 1.3
+	CipherSuiteTLS13 = qtls.CipherSuiteTLS13
+	// ClientHelloInfo contains information about a ClientHello.
+	ClientHelloInfo = qtls.ClientHelloInfo
+	// ClientSessionCache is a cache used for session resumption.
+	ClientSessionCache = qtls.ClientSessionCache
+	// ClientSessionState is a state needed for session resumption.
+	ClientSessionState = qtls.ClientSessionState
+	// A Config is a qtls.Config.
+	Config = qtls.Config
+	// A Conn is a qtls.Conn.
+	Conn = qtls.Conn
+	// ConnectionState contains information about the state of the connection.
+	ConnectionState = qtls.ConnectionStateWith0RTT
+	// EncryptionLevel is the encryption level of a message.
+	EncryptionLevel = qtls.EncryptionLevel
+	// Extension is a TLS extension
+	Extension = qtls.Extension
+	// ExtraConfig is the qtls.ExtraConfig
+	ExtraConfig = qtls.ExtraConfig
+	// RecordLayer is a qtls RecordLayer.
+	RecordLayer = qtls.RecordLayer
+)
+
+const (
+	// EncryptionHandshake is the Handshake encryption level
+	EncryptionHandshake = qtls.EncryptionHandshake
+	// Encryption0RTT is the 0-RTT encryption level
+	Encryption0RTT = qtls.Encryption0RTT
+	// EncryptionApplication is the application data encryption level
+	EncryptionApplication = qtls.EncryptionApplication
+)
+
+// AEADAESGCMTLS13 creates a new AES-GCM AEAD for TLS 1.3
+func AEADAESGCMTLS13(key, fixedNonce []byte) cipher.AEAD {
+	return qtls.AEADAESGCMTLS13(key, fixedNonce)
+}
+
+// Client returns a new TLS client side connection.
+func Client(conn net.Conn, config *Config, extraConfig *ExtraConfig) *Conn {
+	return qtls.Client(conn, config, extraConfig)
+}
+
+// Server returns a new TLS server side connection.
+func Server(conn net.Conn, config *Config, extraConfig *ExtraConfig) *Conn {
+	return qtls.Server(conn, config, extraConfig)
+}
+
+func GetConnectionState(conn *Conn) ConnectionState {
+	return conn.ConnectionStateWith0RTT()
+}
+
+// ToTLSConnectionState extracts the tls.ConnectionState
+func ToTLSConnectionState(cs ConnectionState) tls.ConnectionState {
+	return cs.ConnectionState
+}
+
+type cipherSuiteTLS13 struct {
+	ID     uint16
+	KeyLen int
+	AEAD   func(key, fixedNonce []byte) cipher.AEAD
+	Hash   crypto.Hash
+}
+
+//go:linkname cipherSuiteTLS13ByID github.com/marten-seemann/qtls-go1-18.cipherSuiteTLS13ByID
+func cipherSuiteTLS13ByID(id uint16) *cipherSuiteTLS13
+
+// CipherSuiteTLS13ByID gets a TLS 1.3 cipher suite.
+func CipherSuiteTLS13ByID(id uint16) *CipherSuiteTLS13 {
+	val := cipherSuiteTLS13ByID(id)
+	cs := (*cipherSuiteTLS13)(unsafe.Pointer(val))
+	return &qtls.CipherSuiteTLS13{
+		ID:     cs.ID,
+		KeyLen: cs.KeyLen,
+		AEAD:   cs.AEAD,
+		Hash:   cs.Hash,
+	}
+}

internal/qtls/go119.go

@@ -0,0 +1,6 @@
+//go:build go1.19
+// +build go1.19
+
+package qtls
+
+var _ int = "quic-go doesn't build on Go 1.19 yet."