You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
643 lines
16 KiB
Go
643 lines
16 KiB
Go
package net
|
|
|
|
import (
|
|
"b612.me/apps/b612/netforward"
|
|
"b612.me/starlog"
|
|
"context"
|
|
"encoding/binary"
|
|
"encoding/json"
|
|
"fmt"
|
|
"github.com/huin/goupnp/dcps/internetgateway2"
|
|
"math/rand"
|
|
"net"
|
|
"net/http"
|
|
"strconv"
|
|
"strings"
|
|
"sync"
|
|
"time"
|
|
)
|
|
|
|
type NatThroughs struct {
|
|
Lists []*NatThrough
|
|
WebPort int
|
|
AutoUPnP bool
|
|
KeepAlivePeriod int
|
|
KeepAliveIdel int
|
|
KeepAliveCount int
|
|
STUN string
|
|
Remote string
|
|
HealthCheckInterval int
|
|
}
|
|
|
|
func (n *NatThroughs) Close() {
|
|
for _, v := range n.Lists {
|
|
v.Close()
|
|
}
|
|
}
|
|
|
|
func (n *NatThroughs) Parse(reqs []string) error {
|
|
if n.KeepAlivePeriod == 0 {
|
|
n.KeepAlivePeriod = 10
|
|
}
|
|
if n.KeepAliveIdel == 0 {
|
|
n.KeepAliveIdel = 30
|
|
}
|
|
if n.KeepAliveCount == 0 {
|
|
n.KeepAliveCount = 5
|
|
}
|
|
if n.STUN == "" {
|
|
n.STUN = "turn.b612.me:3478"
|
|
}
|
|
for _, v := range reqs {
|
|
var req = NatThrough{
|
|
Forward: netforward.NetForward{
|
|
LocalAddr: "0.0.0.0",
|
|
DialTimeout: 3000,
|
|
UDPTimeout: 20000,
|
|
KeepAlivePeriod: n.KeepAlivePeriod,
|
|
KeepAliveIdel: n.KeepAliveIdel,
|
|
KeepAliveCount: n.KeepAliveCount,
|
|
UsingKeepAlive: true,
|
|
EnableTCP: true,
|
|
},
|
|
Type: "tcp",
|
|
STUN: n.STUN,
|
|
Remote: n.Remote,
|
|
KeepAlivePeriod: n.KeepAlivePeriod,
|
|
KeepAliveIdel: n.KeepAliveIdel,
|
|
KeepAliveCount: n.KeepAliveCount,
|
|
AutoUPnP: n.AutoUPnP,
|
|
HealthCheckInterval: n.HealthCheckInterval,
|
|
}
|
|
strs := strings.Split(v, ",")
|
|
switch len(strs) {
|
|
case 1:
|
|
req.Type = "tcp"
|
|
req.Forward.RemoteURI = strs[0]
|
|
case 2:
|
|
ipport := strings.Split(strs[0], ":")
|
|
if len(ipport) == 1 {
|
|
port, err := strconv.Atoi(ipport[0])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
req.Forward.LocalPort = port
|
|
} else {
|
|
req.Forward.LocalAddr = ipport[0]
|
|
port, err := strconv.Atoi(ipport[1])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
req.Forward.LocalPort = port
|
|
}
|
|
req.Type = "tcp"
|
|
req.Forward.RemoteURI = strs[1]
|
|
case 3:
|
|
ipport := strings.Split(strs[1], ":")
|
|
if len(ipport) == 1 {
|
|
port, err := strconv.Atoi(ipport[0])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
req.Forward.LocalPort = port
|
|
} else {
|
|
req.Forward.LocalAddr = ipport[0]
|
|
port, err := strconv.Atoi(ipport[1])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
req.Forward.LocalPort = port
|
|
}
|
|
req.Type = "tcp"
|
|
req.Forward.RemoteURI = strs[2]
|
|
req.Name = strs[0]
|
|
case 4:
|
|
ipport := strings.Split(strs[2], ":")
|
|
if len(ipport) == 1 {
|
|
port, err := strconv.Atoi(ipport[0])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
req.Forward.LocalPort = port
|
|
} else {
|
|
req.Forward.LocalAddr = ipport[0]
|
|
port, err := strconv.Atoi(ipport[1])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
req.Forward.LocalPort = port
|
|
}
|
|
req.Type = strings.ToLower(strs[0])
|
|
req.Forward.RemoteURI = strs[3]
|
|
req.Name = strs[1]
|
|
}
|
|
n.Lists = append(n.Lists, &req)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (n *NatThroughs) Run() error {
|
|
go n.WebService()
|
|
wg := sync.WaitGroup{}
|
|
for _, v := range n.Lists {
|
|
wg.Add(1)
|
|
go func(v *NatThrough) {
|
|
defer wg.Done()
|
|
if err := v.Run(); err != nil {
|
|
starlog.Errorf("Failed to run forward: %v\n", err)
|
|
}
|
|
v.HealthCheck()
|
|
}(v)
|
|
}
|
|
wg.Wait()
|
|
return nil
|
|
}
|
|
|
|
type nattinfo struct {
|
|
Id int `json:"id"`
|
|
Name string `json:"name"`
|
|
Ext string `json:"ext"`
|
|
Local string `json:"local"`
|
|
Forward string `json:"forward"`
|
|
}
|
|
|
|
func (n *NatThroughs) WebService() error {
|
|
if n.WebPort == 0 {
|
|
return nil
|
|
}
|
|
listener, err := net.Listen("tcp", fmt.Sprintf(":%d", n.WebPort))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
starlog.Infof("Web service listen on %d\n", n.WebPort)
|
|
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
|
|
var str string
|
|
for k, v := range n.Lists {
|
|
str += fmt.Sprintf("id:%d name:%s : %s <----> %s <-----> %s\n", k, v.Name, v.ExtUrl, v.localipport, v.Forward.RemoteURI)
|
|
}
|
|
w.Write([]byte(str))
|
|
})
|
|
http.HandleFunc("/json", func(w http.ResponseWriter, r *http.Request) {
|
|
var res []nattinfo
|
|
for k, v := range n.Lists {
|
|
res = append(res, nattinfo{
|
|
Id: k,
|
|
Name: v.Name,
|
|
Ext: v.ExtUrl,
|
|
Local: v.localipport,
|
|
Forward: v.Forward.RemoteURI,
|
|
})
|
|
}
|
|
w.Header().Set("Content-Type", "application/json")
|
|
data, _ := json.Marshal(res)
|
|
w.Write(data)
|
|
return
|
|
})
|
|
http.HandleFunc("/jump", func(w http.ResponseWriter, r *http.Request) {
|
|
types := "https://"
|
|
name := r.URL.Query().Get("name")
|
|
if name == "" {
|
|
w.Write([]byte("id is empty"))
|
|
return
|
|
}
|
|
if r.URL.Query().Get("type") == "http" {
|
|
types = "http://"
|
|
}
|
|
for _, v := range n.Lists {
|
|
if v.Name == name {
|
|
http.Redirect(w, r, types+v.ExtUrl, http.StatusFound)
|
|
return
|
|
}
|
|
}
|
|
})
|
|
return http.Serve(listener, nil)
|
|
}
|
|
|
|
// NatThrough 类似于natter.py 是一个用于Full Cone NAT直接穿透的工具
|
|
type NatThrough struct {
|
|
Name string
|
|
OriginLocalPort int
|
|
Forward netforward.NetForward
|
|
Type string
|
|
STUN string
|
|
Remote string
|
|
KeepAlivePeriod int
|
|
KeepAliveIdel int
|
|
KeepAliveCount int
|
|
AutoUPnP bool
|
|
isOk bool
|
|
ExtUrl string
|
|
localipport string
|
|
keepaliveConn net.Conn
|
|
HealthCheckInterval int
|
|
stopFn context.CancelFunc
|
|
stopCtx context.Context
|
|
}
|
|
|
|
func (n *NatThrough) Close() {
|
|
n.stopFn()
|
|
n.Forward.Close()
|
|
}
|
|
|
|
func (c *NatThrough) Run() error {
|
|
c.isOk = false
|
|
c.stopCtx, c.stopFn = context.WithCancel(context.Background())
|
|
c.OriginLocalPort = c.Forward.LocalPort
|
|
if c.Forward.LocalPort == 0 {
|
|
listener, err := net.Listen(c.Type, c.Forward.LocalAddr+":0")
|
|
if err != nil {
|
|
return fmt.Errorf("Failed to listen on %s: %v", c.Forward.LocalAddr, err)
|
|
}
|
|
if c.Type == "tcp" {
|
|
c.Forward.LocalPort = listener.Addr().(*net.TCPAddr).Port
|
|
} else {
|
|
c.Forward.LocalPort = listener.Addr().(*net.UDPAddr).Port
|
|
}
|
|
listener.Close()
|
|
}
|
|
if c.Type == "tcp" {
|
|
c.Forward.EnableTCP = true
|
|
c.Forward.EnableUDP = false
|
|
} else {
|
|
c.Forward.EnableTCP = false
|
|
c.Forward.EnableUDP = true
|
|
}
|
|
starlog.Infof("Local Port: %d\n", c.Forward.LocalPort)
|
|
starlog.Infof("Keepalive To: %s\n", c.Remote)
|
|
starlog.Infof("Forward To: %s\n", c.Forward.RemoteURI)
|
|
|
|
innerIp, extIp, err := c.GetIPPortFromSTUN(c.Type, c.Forward.LocalAddr, c.Forward.LocalPort, c.STUN)
|
|
if err != nil {
|
|
return fmt.Errorf("Failed to get external IP and port: %v", err)
|
|
}
|
|
starlog.Infof("Internal Addr: %s \n", innerIp.String())
|
|
starlog.Infof("External Addr: %s \n", extIp.String())
|
|
getIP := func(ip net.Addr) string {
|
|
switch ip.(type) {
|
|
case *net.TCPAddr:
|
|
return ip.(*net.TCPAddr).IP.String()
|
|
case *net.UDPAddr:
|
|
return ip.(*net.UDPAddr).IP.String()
|
|
default:
|
|
return ""
|
|
}
|
|
}
|
|
getPort := func(ip net.Addr) int {
|
|
switch ip.(type) {
|
|
case *net.TCPAddr:
|
|
return ip.(*net.TCPAddr).Port
|
|
case *net.UDPAddr:
|
|
return ip.(*net.UDPAddr).Port
|
|
default:
|
|
return 0
|
|
}
|
|
}
|
|
go func() {
|
|
if err := c.KeepAlive(c.Forward.LocalAddr, c.Forward.LocalPort); err != nil {
|
|
starlog.Errorf("Failed to run forward: %v\n", err)
|
|
c.Forward.Close()
|
|
c.stopFn()
|
|
}
|
|
}()
|
|
innerIp, extIp, err = c.GetIPPortFromSTUN(c.Type, c.Forward.LocalAddr, c.Forward.LocalPort, c.STUN)
|
|
if err != nil {
|
|
return fmt.Errorf("Failed to get external IP and port: %v", err)
|
|
}
|
|
starlog.Infof("Retest Internal Addr: %s \n", innerIp.String())
|
|
starlog.Infof("Retest External Addr: %s \n", extIp.String())
|
|
if c.AutoUPnP {
|
|
go c.HandleUPnP(getIP(innerIp), uint16(getPort(extIp)))
|
|
}
|
|
err = c.Forward.Run()
|
|
if err != nil {
|
|
return fmt.Errorf("Failed to run forward: %v", err)
|
|
}
|
|
c.isOk = true
|
|
c.localipport = fmt.Sprintf("%s:%d", getIP(innerIp), getPort(innerIp))
|
|
c.ExtUrl = fmt.Sprintf("%s:%d", getIP(extIp), getPort(extIp))
|
|
return nil
|
|
}
|
|
|
|
func (c *NatThrough) HealthCheck() {
|
|
count := 0
|
|
if c.HealthCheckInterval == 0 {
|
|
c.HealthCheckInterval = 30
|
|
}
|
|
for {
|
|
select {
|
|
case <-c.stopCtx.Done():
|
|
return
|
|
case <-time.After(time.Second * time.Duration(c.HealthCheckInterval)):
|
|
}
|
|
if c.Type == "udp" {
|
|
continue
|
|
}
|
|
conn, err := net.DialTimeout("tcp", c.ExtUrl, time.Second*2)
|
|
if err != nil {
|
|
starlog.Warningf("Health Check Fail: %v\n", err)
|
|
count++
|
|
} else {
|
|
starlog.Infof("Health Check Ok\n")
|
|
conn.(*net.TCPConn).SetLinger(0)
|
|
conn.Close()
|
|
}
|
|
if count >= 3 {
|
|
count = 0
|
|
starlog.Errorf("Failed to connect to remote, close connection retrying\n")
|
|
c.stopFn()
|
|
c.keepaliveConn.Close()
|
|
c.Forward.Close()
|
|
forward := netforward.NetForward{
|
|
LocalAddr: c.Forward.LocalAddr,
|
|
LocalPort: c.OriginLocalPort,
|
|
RemoteURI: c.Forward.RemoteURI,
|
|
KeepAlivePeriod: c.KeepAlivePeriod,
|
|
KeepAliveIdel: c.KeepAliveIdel,
|
|
KeepAliveCount: c.KeepAliveCount,
|
|
UsingKeepAlive: true,
|
|
}
|
|
time.Sleep(time.Second * 22)
|
|
c.Forward = forward
|
|
c.Run()
|
|
}
|
|
}
|
|
}
|
|
|
|
func (c *NatThrough) KeepAlive(localAddr string, localPort int) error {
|
|
for {
|
|
select {
|
|
case <-c.stopCtx.Done():
|
|
return nil
|
|
default:
|
|
}
|
|
if c.Type == "tcp" {
|
|
dialer := net.Dialer{
|
|
Control: netforward.ControlSetReUseAddr,
|
|
LocalAddr: &net.TCPAddr{IP: net.ParseIP(localAddr), Port: localPort},
|
|
}
|
|
conn, err := dialer.Dial("tcp", c.Remote)
|
|
if err != nil {
|
|
starlog.Errorf("Failed to dial remote: %v\n", err)
|
|
time.Sleep(time.Second * 5)
|
|
continue
|
|
}
|
|
c.keepaliveConn = conn
|
|
conn.(*net.TCPConn).SetLinger(0)
|
|
netforward.SetTcpInfo(conn.(*net.TCPConn), true, c.KeepAliveIdel, c.KeepAlivePeriod, c.KeepAliveCount, 0)
|
|
starlog.Infof("Keepalive local:%s remote: %s\n", conn.LocalAddr().String(), conn.RemoteAddr().String())
|
|
go func() {
|
|
for {
|
|
str := fmt.Sprintf("HEAD /keep-alive HTTP/1.1\r\n"+
|
|
"Host: %s\r\n"+
|
|
"User-Agent: curl/8.0.0 (B612)\r\n"+
|
|
"Accept: */*\r\n"+
|
|
"Connection: keep-alive\r\n\r\n", strings.Split(c.Remote, ":")[0])
|
|
//fmt.Println(str)
|
|
if _, err = conn.Write([]byte(str)); err != nil {
|
|
fmt.Println(err)
|
|
}
|
|
time.Sleep(time.Second * 20)
|
|
}
|
|
}()
|
|
for {
|
|
_, err := conn.Read(make([]byte, 4096))
|
|
if err != nil {
|
|
starlog.Warningf("Failed to keepalive remote: %v\n", err)
|
|
conn.Close()
|
|
break
|
|
}
|
|
}
|
|
} else if c.Type == "udp" {
|
|
rmtUdpAddr, err := net.ResolveUDPAddr("udp", c.Remote)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
conn, err := net.DialUDP("udp", &net.UDPAddr{IP: net.ParseIP(localAddr), Port: localPort}, rmtUdpAddr)
|
|
if err != nil {
|
|
starlog.Errorf("Failed to dial remote: %v\n", err)
|
|
time.Sleep(time.Second * 5)
|
|
continue
|
|
}
|
|
c.keepaliveConn = conn
|
|
for {
|
|
_, err = conn.Write([]byte("b612 tcp nat through"))
|
|
if err != nil {
|
|
conn.Close()
|
|
starlog.Warningf("Failed to keepalive remote: %v\n", err)
|
|
break
|
|
}
|
|
time.Sleep(time.Second * 30)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (c *NatThrough) HandleUPnP(localaddr string, extPort uint16) {
|
|
for {
|
|
select {
|
|
case <-c.stopCtx.Done():
|
|
return
|
|
default:
|
|
}
|
|
client, err := c.FoundUsableUPnP()
|
|
if err != nil {
|
|
starlog.Errorf("Failed to find UPnP device: %v\n", err)
|
|
time.Sleep(time.Second * 20)
|
|
continue
|
|
}
|
|
starlog.Infof("Found UPnP device!\n")
|
|
_, _, _, _, _, err = client.GetSpecificPortMappingEntry("", uint16(c.Forward.LocalPort), "TCP")
|
|
if err == nil {
|
|
starlog.Infof("Port mapping Ok\n")
|
|
time.Sleep(time.Second * 20)
|
|
continue
|
|
}
|
|
err = client.AddPortMapping("", uint16(c.Forward.LocalPort), strings.ToUpper(c.Type), uint16(c.Forward.LocalPort), localaddr, true, "B612 TCP Nat PassThrough", 75)
|
|
if err != nil {
|
|
starlog.Errorf("Failed to add port mapping: %v\n", err)
|
|
time.Sleep(time.Second * 20)
|
|
continue
|
|
}
|
|
starlog.Infof("Port mapping added:externalPort %d,localAddr %s,localPort %d\n", extPort, localaddr, c.Forward.LocalPort)
|
|
time.Sleep(time.Second * 20)
|
|
}
|
|
}
|
|
|
|
func (c *NatThrough) GetIPPortFromSTUN(netType string, localip string, localPort int, stunServer string) (net.Addr, net.Addr, error) {
|
|
// 替换为你的 TURN 服务器地址
|
|
stunAddr, err := net.ResolveUDPAddr("udp", stunServer)
|
|
if err != nil {
|
|
return nil, nil, fmt.Errorf("failed to resolve STUN server address: %v", err)
|
|
}
|
|
var conn net.Conn
|
|
if netType == "tcp" {
|
|
dialer := net.Dialer{
|
|
Control: netforward.ControlSetReUseAddr,
|
|
LocalAddr: &net.TCPAddr{IP: net.ParseIP(localip), Port: localPort},
|
|
}
|
|
conn, err = dialer.Dial("tcp", stunAddr.String())
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
conn.(*net.TCPConn).SetLinger(0)
|
|
}
|
|
if netType == "udp" {
|
|
conn, err = net.DialUDP(netType, &net.UDPAddr{IP: net.ParseIP(localip), Port: localPort}, stunAddr)
|
|
if err != nil {
|
|
return nil, nil, fmt.Errorf("failed to connect to STUN server: %v", err)
|
|
}
|
|
}
|
|
defer conn.Close()
|
|
|
|
innerAddr := conn.LocalAddr()
|
|
|
|
// Create STUN request
|
|
transactionID := make([]byte, 12)
|
|
rand.Read(transactionID)
|
|
stunRequest := make([]byte, 20)
|
|
binary.BigEndian.PutUint16(stunRequest[0:], 0x0001) // Message Type: Binding Request
|
|
binary.BigEndian.PutUint16(stunRequest[2:], 0x0000) // Message Length
|
|
copy(stunRequest[4:], []byte{0x21, 0x12, 0xa4, 0x42}) // Magic Cookie
|
|
copy(stunRequest[8:], transactionID) // Transaction ID
|
|
|
|
_, err = conn.Write(stunRequest)
|
|
if err != nil {
|
|
return nil, nil, fmt.Errorf("failed to send STUN request: %v", err)
|
|
}
|
|
|
|
buf := make([]byte, 1500)
|
|
conn.SetReadDeadline(time.Now().Add(3 * time.Second))
|
|
n, err := conn.Read(buf)
|
|
if err != nil {
|
|
return nil, nil, fmt.Errorf("failed to receive STUN response: %v", err)
|
|
}
|
|
|
|
// Parse STUN response
|
|
if n < 20 {
|
|
return nil, nil, fmt.Errorf("invalid STUN response")
|
|
}
|
|
|
|
payload := buf[20:n]
|
|
var ip uint32
|
|
var port uint16
|
|
for len(payload) > 0 {
|
|
attrType := binary.BigEndian.Uint16(payload[0:])
|
|
attrLen := binary.BigEndian.Uint16(payload[2:])
|
|
if len(payload) < int(4+attrLen) {
|
|
return nil, nil, fmt.Errorf("invalid STUN attribute length")
|
|
}
|
|
|
|
if attrType == 0x0001 || attrType == 0x0020 {
|
|
port = binary.BigEndian.Uint16(payload[6:])
|
|
ip = binary.BigEndian.Uint32(payload[8:])
|
|
if attrType == 0x0020 {
|
|
port ^= 0x2112
|
|
ip ^= 0x2112a442
|
|
}
|
|
break
|
|
}
|
|
payload = payload[4+attrLen:]
|
|
}
|
|
|
|
if ip == 0 || port == 0 {
|
|
return nil, nil, fmt.Errorf("invalid STUN response")
|
|
}
|
|
|
|
outerAddr := &net.UDPAddr{
|
|
IP: net.IPv4(byte(ip>>24), byte(ip>>16), byte(ip>>8), byte(ip)),
|
|
Port: int(port),
|
|
}
|
|
|
|
return innerAddr, outerAddr, nil
|
|
}
|
|
|
|
func (c *NatThrough) GetMyOutIP() string {
|
|
tmp, err := net.Dial("udp", "8.8.8.8:53")
|
|
if err != nil {
|
|
return ""
|
|
}
|
|
return tmp.LocalAddr().(*net.UDPAddr).IP.String()
|
|
}
|
|
func (c *NatThrough) FoundUsableUPnP() (RouterClient, error) {
|
|
wg := sync.WaitGroup{}
|
|
found := false
|
|
result := make(chan RouterClient, 3)
|
|
defer close(result)
|
|
wg.Add(3)
|
|
go func() {
|
|
defer wg.Done()
|
|
clients, errors, err := internetgateway2.NewWANIPConnection2Clients()
|
|
if err != nil {
|
|
return
|
|
}
|
|
if len(errors) > 0 {
|
|
return
|
|
}
|
|
if len(clients) == 0 {
|
|
return
|
|
}
|
|
starlog.Infof("Found WANIPConnection2 clients:%s\n", clients[0].Location.String())
|
|
found = true
|
|
|
|
result <- clients[0]
|
|
}()
|
|
go func() {
|
|
defer wg.Done()
|
|
clients, errors, err := internetgateway2.NewWANIPConnection1Clients()
|
|
if err != nil {
|
|
return
|
|
}
|
|
if len(errors) > 0 {
|
|
return
|
|
}
|
|
if len(clients) == 0 {
|
|
return
|
|
}
|
|
starlog.Infof("Found WANIPConnection1 clients:%s\n", clients[0].Location.String())
|
|
found = true
|
|
result <- clients[0]
|
|
}()
|
|
go func() {
|
|
defer wg.Done()
|
|
clients, errors, err := internetgateway2.NewWANPPPConnection1Clients()
|
|
if err != nil {
|
|
return
|
|
}
|
|
if len(errors) > 0 {
|
|
return
|
|
}
|
|
if len(clients) == 0 {
|
|
return
|
|
}
|
|
starlog.Infof("Found WANPPPConnection1 clients:%s\n", clients[0].Location.String())
|
|
found = true
|
|
result <- clients[0]
|
|
}()
|
|
wg.Wait()
|
|
if found {
|
|
return <-result, nil
|
|
}
|
|
return nil, fmt.Errorf("no UPnP devices discovered")
|
|
}
|
|
|
|
type RouterClient interface {
|
|
AddPortMapping(
|
|
NewRemoteHost string,
|
|
NewExternalPort uint16,
|
|
NewProtocol string,
|
|
NewInternalPort uint16,
|
|
NewInternalClient string,
|
|
NewEnabled bool,
|
|
NewPortMappingDescription string,
|
|
NewLeaseDuration uint32,
|
|
) (err error)
|
|
|
|
GetExternalIPAddress() (
|
|
NewExternalIPAddress string,
|
|
err error,
|
|
)
|
|
|
|
DeletePortMapping(NewRemoteHost string, NewExternalPort uint16, NewProtocol string) (err error)
|
|
GetSpecificPortMappingEntry(NewRemoteHost string, NewExternalPort uint16, NewProtocol string) (NewInternalPort uint16, NewInternalClient string, NewEnabled bool, NewPortMappingDescription string, NewLeaseDuration uint32, err error)
|
|
}
|