mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-10-31 00:08:08 -04:00
86 lines
2.4 KiB
Go
86 lines
2.4 KiB
Go
package tcp
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import (
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"crypto/tls"
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"net"
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"v2ray.com/core/common/errors"
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"v2ray.com/core/common/log"
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v2net "v2ray.com/core/common/net"
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"v2ray.com/core/transport/internet"
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"v2ray.com/core/transport/internet/internal"
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v2tls "v2ray.com/core/transport/internet/tls"
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)
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var (
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globalCache = internal.NewConnectionPool()
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)
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func Dial(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
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log.Info("Internet|TCP: Dailing TCP to ", dest)
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if src == nil {
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src = v2net.AnyIP
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}
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networkSettings, err := options.Stream.GetEffectiveNetworkSettings()
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if err != nil {
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return nil, err
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}
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tcpSettings := networkSettings.(*Config)
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id := internal.NewConnectionId(src, dest)
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var conn net.Conn
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if dest.Network == v2net.Network_TCP && tcpSettings.ConnectionReuse.IsEnabled() {
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conn = globalCache.Get(id)
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}
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if conn == nil {
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var err error
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conn, err = internet.DialToDest(src, dest)
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if err != nil {
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return nil, err
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}
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if options.Stream != nil && options.Stream.HasSecuritySettings() {
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securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
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if err != nil {
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log.Error("TCP: Failed to get security settings: ", err)
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return nil, err
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}
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tlsConfig, ok := securitySettings.(*v2tls.Config)
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if ok {
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config := tlsConfig.GetTLSConfig()
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if dest.Address.Family().IsDomain() {
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config.ServerName = dest.Address.Domain()
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}
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conn = tls.Client(conn, config)
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}
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}
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if tcpSettings.HeaderSettings != nil {
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headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
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if err != nil {
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return nil, errors.Base(err).Message("Interent|TCP: Failed to get header settings.")
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}
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auth, err := internet.CreateConnectionAuthenticator(tcpSettings.HeaderSettings.Type, headerConfig)
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if err != nil {
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return nil, errors.Base(err).Message("Internet|TCP: Failed to create header authenticator.")
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}
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conn = auth.Client(conn)
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}
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}
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return NewConnection(id, conn, globalCache, tcpSettings), nil
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}
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func DialRaw(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
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log.Info("Internet|TCP: Dailing Raw TCP to ", dest)
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conn, err := internet.DialToDest(src, dest)
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if err != nil {
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return nil, err
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}
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// TODO: handle dialer options
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return &RawConnection{
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TCPConn: *conn.(*net.TCPConn),
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}, nil
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}
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func init() {
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internet.TCPDialer = Dial
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internet.RawTCPDialer = DialRaw
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}
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