mirror of
https://gitee.com/konyshe/goodlink.git
synced 2025-10-01 06:52:20 +08:00
86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
package netstack
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import (
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"fmt"
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"github.com/quic-go/quic-go"
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"gvisor.dev/gvisor/pkg/tcpip"
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"gvisor.dev/gvisor/pkg/tcpip/header"
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"gvisor.dev/gvisor/pkg/tcpip/network/ipv4"
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"gvisor.dev/gvisor/pkg/tcpip/stack"
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"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
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"gvisor.dev/gvisor/pkg/tcpip/transport/udp"
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)
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func setNetStack(s *stack.Stack, nicID tcpip.NICID) error {
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s.SetRouteTable([]tcpip.Route{
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{
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Destination: header.IPv4EmptySubnet,
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NIC: nicID,
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},
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})
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if err := netstack_stack.SetPromiscuousMode(nicID, true); err != nil {
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return fmt.Errorf("promisc: %s", err)
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}
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if err := netstack_stack.SetSpoofing(nicID, true); err != nil {
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return fmt.Errorf("spoofing: %s", err)
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}
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return nil
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}
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var (
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init_stack_suss = false
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netstack_stack *stack.Stack
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)
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func Start() error {
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if init_stack_suss {
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return nil
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}
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netstack_stack = stack.New(stack.Options{
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NetworkProtocols: []stack.NetworkProtocolFactory{
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ipv4.NewProtocol,
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},
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TransportProtocols: []stack.TransportProtocolFactory{
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tcp.NewProtocol,
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udp.NewProtocol,
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},
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})
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wintunEP, err := Open(GetName(), 0)
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if err != nil {
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return fmt.Errorf("请管理员权限运行")
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}
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SetTunIP(&wintunEP, GetRemoteIP(), 32)
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// 将TUN设备注册到协议栈中，使用NIC ID 1
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nicID := tcpip.NICID(1)
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if err := netstack_stack.CreateNIC(nicID, wintunEP); err != nil {
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return fmt.Errorf("设备注册: %v", err)
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}
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setNetStack(netstack_stack, nicID)
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init_stack_suss = true
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return nil
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}
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func SetForWarder(stun_quic_conn quic.Connection) {
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netstack_stack.SetTransportProtocolHandler(tcp.ProtocolNumber, NewTcpForwarder(netstack_stack, stun_quic_conn).HandlePacket)
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netstack_stack.SetTransportProtocolHandler(udp.ProtocolNumber, NewUdpForwarder(netstack_stack, stun_quic_conn).HandlePacket)
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}
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func GetRemoteIP() string {
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return "192.17.19.1"
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}
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func GetName() string {
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return "GoodLink"
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}
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