net: use netdev package

.gitmodules

@@ -35,3 +35,7 @@
 [submodule "lib/renesas-svd"]
 	path = lib/renesas-svd
 	url = https://github.com/tinygo-org/renesas-svd.git
+[submodule "src/net"]
+	path = src/net
+	url = https://github.com/tinygo-org/net.git
+	branch = dev

loader/goroot.go

@@ -232,6 +232,7 @@ func pathsToOverride(goMinor int, needsSyscallPackage bool) map[string]bool {
 		"":                      true,
 		"crypto/":               true,
 		"crypto/rand/":          false,
+		"crypto/tls/":           false,
 		"device/":               false,
 		"examples/":             false,
 		"internal/":             true,
@@ -241,6 +242,7 @@ func pathsToOverride(goMinor int, needsSyscallPackage bool) map[string]bool {
 		"internal/task/":        false,
 		"machine/":              false,
 		"net/":                  true,
+		"net/http/":             false,
 		"os/":                   true,
 		"reflect/":              false,
 		"runtime/":              false,

src/crypto/tls/common.go

@@ -0,0 +1,12 @@
+// TINYGO: The following is copied and modified from Go 1.19.3 official implementation.
+
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package tls
+
+// ConnectionState records basic TLS details about the connection.
+type ConnectionState struct {
+	// TINYGO: empty; TLS connection offloaded to device
+}

src/crypto/tls/tls.go

@@ -0,0 +1,63 @@
+// TINYGO: The following is copied and modified from Go 1.19.3 official implementation.
+
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package tls partially implements TLS 1.2, as specified in RFC 5246,
+// and TLS 1.3, as specified in RFC 8446.
+package tls
+
+// BUG(agl): The crypto/tls package only implements some countermeasures
+// against Lucky13 attacks on CBC-mode encryption, and only on SHA1
+// variants. See http://www.isg.rhul.ac.uk/tls/TLStiming.pdf and
+// https://www.imperialviolet.org/2013/02/04/luckythirteen.html.
+
+import (
+	"fmt"
+	"net"
+)
+
+// Client returns a new TLS client side connection
+// using conn as the underlying transport.
+// The config cannot be nil: users must set either ServerName or
+// InsecureSkipVerify in the config.
+func Client(conn net.Conn, config *Config) *net.TLSConn {
+	panic("tls.Client() not implemented")
+	return nil
+}
+
+// DialWithDialer connects to the given network address using dialer.Dial and
+// then initiates a TLS handshake, returning the resulting TLS connection. Any
+// timeout or deadline given in the dialer apply to connection and TLS
+// handshake as a whole.
+//
+// DialWithDialer interprets a nil configuration as equivalent to the zero
+// configuration; see the documentation of Config for the defaults.
+//
+// DialWithDialer uses context.Background internally; to specify the context,
+// use Dialer.DialContext with NetDialer set to the desired dialer.
+func DialWithDialer(dialer *net.Dialer, network, addr string, config *Config) (*net.TLSConn, error) {
+	switch network {
+	case "tcp", "tcp4":
+	default:
+		return nil, fmt.Errorf("Network %s not supported", network)
+	}
+
+	return net.DialTLS(addr)
+}
+
+// Dial connects to the given network address using net.Dial
+// and then initiates a TLS handshake, returning the resulting
+// TLS connection.
+// Dial interprets a nil configuration as equivalent to
+// the zero configuration; see the documentation of Config
+// for the defaults.
+func Dial(network, addr string, config *Config) (*net.TLSConn, error) {
+	return DialWithDialer(new(net.Dialer), network, addr, config)
+}
+
+// Config is a placeholder for future compatibility with
+// tls.Config.
+type Config struct {
+}