mirror of
https://github.com/cmz0228/hysteria-dev.git
synced 2025-06-09 05:49:54 +00:00
105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
package transport
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import (
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"crypto/tls"
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"fmt"
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"github.com/lucas-clemente/quic-go"
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"github.com/tobyxdd/hysteria/pkg/conns/faketcp"
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"github.com/tobyxdd/hysteria/pkg/conns/udp"
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"github.com/tobyxdd/hysteria/pkg/conns/wechat"
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"github.com/tobyxdd/hysteria/pkg/obfs"
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"net"
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"time"
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)
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type ClientTransport struct {
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Dialer *net.Dialer
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PrefEnabled bool
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PrefIPv6 bool
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PrefExclusive bool
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}
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var DefaultClientTransport = &ClientTransport{
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Dialer: &net.Dialer{
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Timeout: 8 * time.Second,
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},
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PrefEnabled: false,
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}
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func (ct *ClientTransport) quicPacketConn(proto string, server string, obfs obfs.Obfuscator) (net.PacketConn, error) {
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if len(proto) == 0 || proto == "udp" {
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conn, err := net.ListenUDP("udp", nil)
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if err != nil {
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return nil, err
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}
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if obfs != nil {
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oc := udp.NewObfsUDPConn(conn, obfs)
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return oc, nil
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} else {
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return conn, nil
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}
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} else if proto == "wechat-video" {
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conn, err := net.ListenUDP("udp", nil)
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if err != nil {
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return nil, err
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}
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if obfs != nil {
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oc := wechat.NewObfsWeChatUDPConn(conn, obfs)
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return oc, nil
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} else {
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return conn, nil
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}
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} else if proto == "faketcp" {
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var conn *faketcp.TCPConn
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conn, err := faketcp.Dial("tcp", server)
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if err != nil {
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return nil, err
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}
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if obfs != nil {
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oc := faketcp.NewObfsFakeTCPConn(conn, obfs)
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return oc, nil
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} else {
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return conn, nil
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}
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} else {
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return nil, fmt.Errorf("unsupported protocol: %s", proto)
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}
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}
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func (ct *ClientTransport) QUICDial(proto string, server string, tlsConfig *tls.Config, quicConfig *quic.Config, obfs obfs.Obfuscator) (quic.Session, error) {
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serverUDPAddr, err := net.ResolveUDPAddr("udp", server)
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if err != nil {
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return nil, err
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}
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pktConn, err := ct.quicPacketConn(proto, server, obfs)
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if err != nil {
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return nil, err
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}
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qs, err := quic.Dial(pktConn, serverUDPAddr, server, tlsConfig, quicConfig)
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if err != nil {
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_ = pktConn.Close()
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return nil, err
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}
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return qs, nil
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}
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func (ct *ClientTransport) ResolveIPAddr(address string) (*net.IPAddr, error) {
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if ct.PrefEnabled {
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return resolveIPAddrWithPreference(address, ct.PrefIPv6, ct.PrefExclusive)
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} else {
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return net.ResolveIPAddr("ip", address)
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}
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}
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func (ct *ClientTransport) DialTCP(raddr *net.TCPAddr) (*net.TCPConn, error) {
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conn, err := ct.Dialer.Dial("tcp", raddr.String())
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if err != nil {
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return nil, err
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}
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return conn.(*net.TCPConn), nil
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}
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func (ct *ClientTransport) ListenUDP() (*net.UDPConn, error) {
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return net.ListenUDP("udp", nil)
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}
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