func wsDial(src v2net.Address, dest v2net.Destination) (*wsconn, error) {
commonDial := func(network, addr string) (net.Conn, error) {
return internet.DialToDest(src, dest)
}
tlsconf := &tls.Config{ServerName: dest.Address().Domain(), InsecureSkipVerify: effectiveConfig.DeveloperInsecureSkipVerify}
dialer := websocket.Dialer{NetDial: commonDial, ReadBufferSize: 65536, WriteBufferSize: 65536, TLSClientConfig: tlsconf}
effpto := calcPto(dest)
uri := func(dst v2net.Destination, pto string, path string) string {
return fmt.Sprintf("%v://%v/%v", pto, dst.NetAddr(), path)
}(dest, effpto, effectiveConfig.Path)
conn, resp, err := dialer.Dial(uri, nil)
if err != nil {
if resp != nil {
reason, reasonerr := ioutil.ReadAll(resp.Body)
log.Info(string(reason), reasonerr)
}
return nil, err
}
return func() internet.Connection {
connv2ray := &wsconn{wsc: conn, connClosing: false}
connv2ray.setup()
return connv2ray
}().(*wsconn), nil
}
func wsDial(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (*wsconn, error) {
networkSettings, err := options.Stream.GetEffectiveNetworkSettings()
if err != nil {
return nil, err
}
wsSettings := networkSettings.(*Config)
commonDial := func(network, addr string) (net.Conn, error) {
return internet.DialToDest(src, dest)
}
dialer := websocket.Dialer{
NetDial: commonDial,
ReadBufferSize: 65536,
WriteBufferSize: 65536,
}
protocol := "ws"
if options.Stream != nil && options.Stream.HasSecuritySettings() {
protocol = "wss"
securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
if err != nil {
log.Error("WebSocket: Failed to create security settings: ", err)
return nil, err
}
tlsConfig, ok := securitySettings.(*v2tls.Config)
if ok {
dialer.TLSClientConfig = tlsConfig.GetTLSConfig()
if dest.Address.Family().IsDomain() {
dialer.TLSClientConfig.ServerName = dest.Address.Domain()
}
}
}
uri := func(dst v2net.Destination, pto string, path string) string {
return fmt.Sprintf("%v://%v/%v", pto, dst.NetAddr(), path)
}(dest, protocol, wsSettings.Path)
conn, resp, err := dialer.Dial(uri, nil)
if err != nil {
if resp != nil {
reason, reasonerr := ioutil.ReadAll(resp.Body)
log.Info(string(reason), reasonerr)
}
return nil, err
}
return func() internet.Connection {
connv2ray := &wsconn{
wsc: conn,
connClosing: false,
config: wsSettings,
}
connv2ray.setup()
return connv2ray
}().(*wsconn), nil
}
func DialRaw(src v2net.Address, dest v2net.Destination) (internet.Connection, error) {
log.Info("Dailing Raw TCP to ", dest)
conn, err := internet.DialToDest(src, dest)
if err != nil {
return nil, err
}
return &RawConnection{
TCPConn: *conn.(*net.TCPConn),
}, nil
}
func DialRaw(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
log.Info("Internet|TCP: Dailing Raw TCP to ", dest)
conn, err := internet.DialToDest(src, dest)
if err != nil {
return nil, err
}
// TODO: handle dialer options
return &RawConnection{
TCPConn: *conn.(*net.TCPConn),
}, nil
}
func init() {
internet.UDPDialer = func(src v2net.Address, dest v2net.Destination) (internet.Connection, error) {
conn, err := internet.DialToDest(src, dest)
if err != nil {
return nil, err
}
return &Connection{
UDPConn: *(conn.(*net.UDPConn)),
}, nil
}
}
func Dial(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
log.Info("Internet|TCP: Dailing TCP to ", dest)
if src == nil {
src = v2net.AnyIP
}
networkSettings, err := options.Stream.GetEffectiveNetworkSettings()
if err != nil {
return nil, err
}
tcpSettings := networkSettings.(*Config)
id := internal.NewConnectionId(src, dest)
var conn net.Conn
if dest.Network == v2net.Network_TCP && tcpSettings.ConnectionReuse.IsEnabled() {
conn = globalCache.Get(id)
}
if conn == nil {
var err error
conn, err = internet.DialToDest(src, dest)
if err != nil {
return nil, err
}
if options.Stream != nil && options.Stream.HasSecuritySettings() {
securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
if err != nil {
log.Error("TCP: Failed to get security settings: ", err)
return nil, err
}
tlsConfig, ok := securitySettings.(*v2tls.Config)
if ok {
config := tlsConfig.GetTLSConfig()
if dest.Address.Family().IsDomain() {
config.ServerName = dest.Address.Domain()
}
conn = tls.Client(conn, config)
}
}
if tcpSettings.HeaderSettings != nil {
headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
if err != nil {
return nil, errors.Base(err).Message("Interent|TCP: Failed to get header settings.")
}
auth, err := internet.CreateConnectionAuthenticator(tcpSettings.HeaderSettings.Type, headerConfig)
if err != nil {
return nil, errors.Base(err).Message("Internet|TCP: Failed to create header authenticator.")
}
conn = auth.Client(conn)
}
}
return NewConnection(id, conn, globalCache, tcpSettings), nil
}
func DialKCP(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
dest.Network = v2net.Network_UDP
log.Info("KCP|Dialer: Dialing KCP to ", dest)
conn, err := internet.DialToDest(src, dest)
if err != nil {
log.Error("KCP|Dialer: Failed to dial to dest: ", err)
return nil, err
}
networkSettings, err := options.Stream.GetEffectiveNetworkSettings()
if err != nil {
log.Error("KCP|Dialer: Failed to get KCP settings: ", err)
return nil, err
}
kcpSettings := networkSettings.(*Config)
cpip, err := kcpSettings.GetAuthenticator()
if err != nil {
log.Error("KCP|Dialer: Failed to create authenticator: ", err)
return nil, err
}
conv := uint16(atomic.AddUint32(&globalConv, 1))
session := NewConnection(conv, conn, conn.LocalAddr().(*net.UDPAddr), conn.RemoteAddr().(*net.UDPAddr), cpip, kcpSettings)
session.FetchInputFrom(conn)
var iConn internet.Connection
iConn = session
if options.Stream != nil && options.Stream.HasSecuritySettings() {
securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
if err != nil {
log.Error("KCP|Dialer: Failed to get security settings: ", err)
return nil, err
}
switch securitySettings := securitySettings.(type) {
case *v2tls.Config:
config := securitySettings.GetTLSConfig()
if dest.Address.Family().IsDomain() {
config.ServerName = dest.Address.Domain()
}
tlsConn := tls.Client(conn, config)
iConn = v2tls.NewConnection(tlsConn)
}
}
return iConn, nil
}
func Dial(src v2net.Address, dest v2net.Destination) (internet.Connection, error) {
log.Info("Dailing TCP to ", dest)
if src == nil {
src = v2net.AnyIP
}
id := src.String() + "-" + dest.NetAddr()
var conn net.Conn
if dest.IsTCP() && effectiveConfig.ConnectionReuse {
conn = globalCache.Get(id)
}
if conn == nil {
var err error
conn, err = internet.DialToDest(src, dest)
if err != nil {
return nil, err
}
}
return NewConnection(id, conn, globalCache), nil
}
func DialKCP(src v2net.Address, dest v2net.Destination) (internet.Connection, error) {
udpDest := v2net.UDPDestination(dest.Address(), dest.Port())
log.Info("KCP|Dialer: Dialing KCP to ", udpDest)
conn, err := internet.DialToDest(src, udpDest)
if err != nil {
log.Error("KCP|Dialer: Failed to dial to dest: ", err)
return nil, err
}
cpip, err := effectiveConfig.GetAuthenticator()
if err != nil {
log.Error("KCP|Dialer: Failed to create authenticator: ", err)
return nil, err
}
conv := uint16(atomic.AddUint32(&globalConv, 1))
session := NewConnection(conv, conn, conn.LocalAddr().(*net.UDPAddr), conn.RemoteAddr().(*net.UDPAddr), cpip)
session.FetchInputFrom(conn)
return session, nil
}
func DialKCP(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
dest.Network = v2net.Network_UDP
log.Info("KCP|Dialer: Dialing KCP to ", dest)
id := internal.NewConnectionId(src, dest)
conn := globalPool.Get(id)
if conn == nil {
rawConn, err := internet.DialToDest(src, dest)
if err != nil {
log.Error("KCP|Dialer: Failed to dial to dest: ", err)
return nil, err
}
c := &ClientConnection{
Conn: rawConn,
id: id,
}
go c.Run()
conn = c
}
networkSettings, err := options.Stream.GetEffectiveNetworkSettings()
if err != nil {
log.Error("KCP|Dialer: Failed to get KCP settings: ", err)
return nil, err
}
kcpSettings := networkSettings.(*Config)
clientConn := conn.(*ClientConnection)
header, err := kcpSettings.GetPackerHeader()
if err != nil {
return nil, errors.Base(err).Message("KCP|Dialer: Failed to create packet header.")
}
security, err := kcpSettings.GetSecurity()
if err != nil {
return nil, errors.Base(err).Message("KCP|Dialer: Failed to create security.")
}
clientConn.ResetSecurity(header, security)
conv := uint16(atomic.AddUint32(&globalConv, 1))
session := NewConnection(conv, clientConn, globalPool, kcpSettings)
var iConn internet.Connection
iConn = session
if options.Stream != nil && options.Stream.HasSecuritySettings() {
securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
if err != nil {
log.Error("KCP|Dialer: Failed to get security settings: ", err)
return nil, err
}
switch securitySettings := securitySettings.(type) {
case *v2tls.Config:
config := securitySettings.GetTLSConfig()
if dest.Address.Family().IsDomain() {
config.ServerName = dest.Address.Domain()
}
tlsConn := tls.Client(conn, config)
iConn = v2tls.NewConnection(tlsConn)
}
}
return iConn, nil
}