mirror of
https://github.com/MetaCubeX/mihomo.git
synced 2024-07-05 12:27:54 +00:00
472 lines
9.4 KiB
Go
472 lines
9.4 KiB
Go
package proxy
|
|
|
|
import (
|
|
"fmt"
|
|
"github.com/Dreamacro/clash/common/cmd"
|
|
"github.com/Dreamacro/clash/listener/inner"
|
|
"github.com/Dreamacro/clash/listener/tun/ipstack/commons"
|
|
"net"
|
|
"net/netip"
|
|
"runtime"
|
|
"sort"
|
|
"strconv"
|
|
"sync"
|
|
|
|
"github.com/Dreamacro/clash/adapter/inbound"
|
|
"github.com/Dreamacro/clash/config"
|
|
C "github.com/Dreamacro/clash/constant"
|
|
"github.com/Dreamacro/clash/listener/http"
|
|
"github.com/Dreamacro/clash/listener/mixed"
|
|
"github.com/Dreamacro/clash/listener/redir"
|
|
"github.com/Dreamacro/clash/listener/socks"
|
|
"github.com/Dreamacro/clash/listener/tproxy"
|
|
"github.com/Dreamacro/clash/listener/tun"
|
|
"github.com/Dreamacro/clash/listener/tun/ipstack"
|
|
"github.com/Dreamacro/clash/log"
|
|
)
|
|
|
|
var (
|
|
allowLan = false
|
|
bindAddress = "*"
|
|
lastTunConf *config.Tun
|
|
lastTunAddressPrefix *netip.Prefix
|
|
|
|
socksListener *socks.Listener
|
|
socksUDPListener *socks.UDPListener
|
|
httpListener *http.Listener
|
|
redirListener *redir.Listener
|
|
redirUDPListener *tproxy.UDPListener
|
|
tproxyListener *tproxy.Listener
|
|
tproxyUDPListener *tproxy.UDPListener
|
|
mixedListener *mixed.Listener
|
|
mixedUDPLister *socks.UDPListener
|
|
tunStackListener ipstack.Stack
|
|
|
|
// lock for recreate function
|
|
socksMux sync.Mutex
|
|
httpMux sync.Mutex
|
|
redirMux sync.Mutex
|
|
tproxyMux sync.Mutex
|
|
mixedMux sync.Mutex
|
|
tunMux sync.Mutex
|
|
)
|
|
|
|
type Ports struct {
|
|
Port int `json:"port"`
|
|
SocksPort int `json:"socks-port"`
|
|
RedirPort int `json:"redir-port"`
|
|
TProxyPort int `json:"tproxy-port"`
|
|
MixedPort int `json:"mixed-port"`
|
|
}
|
|
|
|
func GetTunConf() config.Tun {
|
|
if lastTunConf == nil {
|
|
return config.Tun{
|
|
Enable: false,
|
|
}
|
|
}
|
|
return *lastTunConf
|
|
}
|
|
|
|
func AllowLan() bool {
|
|
return allowLan
|
|
}
|
|
|
|
func BindAddress() string {
|
|
return bindAddress
|
|
}
|
|
|
|
func SetAllowLan(al bool) {
|
|
allowLan = al
|
|
}
|
|
|
|
func SetBindAddress(host string) {
|
|
bindAddress = host
|
|
}
|
|
|
|
func NewInner(tcpIn chan<- C.ConnContext) {
|
|
inner.New(tcpIn)
|
|
}
|
|
|
|
func ReCreateHTTP(port int, tcpIn chan<- C.ConnContext) {
|
|
httpMux.Lock()
|
|
defer httpMux.Unlock()
|
|
|
|
var err error
|
|
defer func() {
|
|
if err != nil {
|
|
log.Errorln("Start HTTP server error: %s", err.Error())
|
|
}
|
|
}()
|
|
|
|
addr := genAddr(bindAddress, port, allowLan)
|
|
|
|
if httpListener != nil {
|
|
if httpListener.RawAddress() == addr {
|
|
return
|
|
}
|
|
httpListener.Close()
|
|
httpListener = nil
|
|
}
|
|
|
|
if portIsZero(addr) {
|
|
return
|
|
}
|
|
|
|
httpListener, err = http.New(addr, tcpIn)
|
|
if err != nil {
|
|
log.Errorln("Start HTTP server error: %s", err.Error())
|
|
return
|
|
}
|
|
|
|
log.Infoln("HTTP proxy listening at: %s", httpListener.Address())
|
|
}
|
|
|
|
func ReCreateSocks(port int, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) {
|
|
socksMux.Lock()
|
|
defer socksMux.Unlock()
|
|
|
|
var err error
|
|
defer func() {
|
|
if err != nil {
|
|
log.Errorln("Start SOCKS server error: %s", err.Error())
|
|
}
|
|
}()
|
|
|
|
addr := genAddr(bindAddress, port, allowLan)
|
|
|
|
shouldTCPIgnore := false
|
|
shouldUDPIgnore := false
|
|
|
|
if socksListener != nil {
|
|
if socksListener.RawAddress() != addr {
|
|
socksListener.Close()
|
|
socksListener = nil
|
|
} else {
|
|
shouldTCPIgnore = true
|
|
}
|
|
}
|
|
|
|
if socksUDPListener != nil {
|
|
if socksUDPListener.RawAddress() != addr {
|
|
socksUDPListener.Close()
|
|
socksUDPListener = nil
|
|
} else {
|
|
shouldUDPIgnore = true
|
|
}
|
|
}
|
|
|
|
if shouldTCPIgnore && shouldUDPIgnore {
|
|
return
|
|
}
|
|
|
|
if portIsZero(addr) {
|
|
return
|
|
}
|
|
|
|
tcpListener, err := socks.New(addr, tcpIn)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
udpListener, err := socks.NewUDP(addr, udpIn)
|
|
if err != nil {
|
|
tcpListener.Close()
|
|
return
|
|
}
|
|
|
|
socksListener = tcpListener
|
|
socksUDPListener = udpListener
|
|
|
|
log.Infoln("SOCKS proxy listening at: %s", socksListener.Address())
|
|
}
|
|
|
|
func ReCreateRedir(port int, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) {
|
|
redirMux.Lock()
|
|
defer redirMux.Unlock()
|
|
|
|
var err error
|
|
defer func() {
|
|
if err != nil {
|
|
log.Errorln("Start Redir server error: %s", err.Error())
|
|
}
|
|
}()
|
|
|
|
addr := genAddr(bindAddress, port, allowLan)
|
|
|
|
if redirListener != nil {
|
|
if redirListener.RawAddress() == addr {
|
|
return
|
|
}
|
|
redirListener.Close()
|
|
redirListener = nil
|
|
}
|
|
|
|
if redirUDPListener != nil {
|
|
if redirUDPListener.RawAddress() == addr {
|
|
return
|
|
}
|
|
redirUDPListener.Close()
|
|
redirUDPListener = nil
|
|
}
|
|
|
|
if portIsZero(addr) {
|
|
return
|
|
}
|
|
|
|
redirListener, err = redir.New(addr, tcpIn)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
redirUDPListener, err = tproxy.NewUDP(addr, udpIn)
|
|
if err != nil {
|
|
log.Warnln("Failed to start Redir UDP Listener: %s", err)
|
|
}
|
|
|
|
log.Infoln("Redirect proxy listening at: %s", redirListener.Address())
|
|
}
|
|
|
|
func ReCreateTProxy(port int, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) {
|
|
tproxyMux.Lock()
|
|
defer tproxyMux.Unlock()
|
|
|
|
var err error
|
|
defer func() {
|
|
if err != nil {
|
|
log.Errorln("Start TProxy server error: %s", err.Error())
|
|
}
|
|
}()
|
|
|
|
addr := genAddr(bindAddress, port, allowLan)
|
|
|
|
if tproxyListener != nil {
|
|
if tproxyListener.RawAddress() == addr {
|
|
return
|
|
}
|
|
tproxyListener.Close()
|
|
tproxyListener = nil
|
|
}
|
|
|
|
if tproxyUDPListener != nil {
|
|
if tproxyUDPListener.RawAddress() == addr {
|
|
return
|
|
}
|
|
tproxyUDPListener.Close()
|
|
tproxyUDPListener = nil
|
|
}
|
|
|
|
if portIsZero(addr) {
|
|
return
|
|
}
|
|
|
|
tproxyListener, err = tproxy.New(addr, tcpIn)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
tproxyUDPListener, err = tproxy.NewUDP(addr, udpIn)
|
|
if err != nil {
|
|
log.Warnln("Failed to start TProxy UDP Listener: %s", err)
|
|
}
|
|
|
|
log.Infoln("TProxy server listening at: %s", tproxyListener.Address())
|
|
}
|
|
|
|
func ReCreateMixed(port int, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) {
|
|
mixedMux.Lock()
|
|
defer mixedMux.Unlock()
|
|
|
|
var err error
|
|
defer func() {
|
|
if err != nil {
|
|
log.Errorln("Start Mixed(http+socks) server error: %s", err.Error())
|
|
}
|
|
}()
|
|
|
|
addr := genAddr(bindAddress, port, allowLan)
|
|
|
|
shouldTCPIgnore := false
|
|
shouldUDPIgnore := false
|
|
|
|
if mixedListener != nil {
|
|
if mixedListener.RawAddress() != addr {
|
|
mixedListener.Close()
|
|
mixedListener = nil
|
|
} else {
|
|
shouldTCPIgnore = true
|
|
}
|
|
}
|
|
if mixedUDPLister != nil {
|
|
if mixedUDPLister.RawAddress() != addr {
|
|
mixedUDPLister.Close()
|
|
mixedUDPLister = nil
|
|
} else {
|
|
shouldUDPIgnore = true
|
|
}
|
|
}
|
|
|
|
if shouldTCPIgnore && shouldUDPIgnore {
|
|
return
|
|
}
|
|
|
|
if portIsZero(addr) {
|
|
return
|
|
}
|
|
|
|
mixedListener, err = mixed.New(addr, tcpIn)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
mixedUDPLister, err = socks.NewUDP(addr, udpIn)
|
|
if err != nil {
|
|
mixedListener.Close()
|
|
return
|
|
}
|
|
|
|
log.Infoln("Mixed(http+socks) proxy listening at: %s", mixedListener.Address())
|
|
}
|
|
|
|
func ReCreateTun(tunConf *config.Tun, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) {
|
|
tunMux.Lock()
|
|
defer tunMux.Unlock()
|
|
|
|
var err error
|
|
defer func() {
|
|
if err != nil {
|
|
log.Errorln("Start TUN listening error: %s", err.Error())
|
|
Cleanup(false)
|
|
}
|
|
}()
|
|
|
|
if !hasTunConfigChange(tunConf) {
|
|
return
|
|
}
|
|
|
|
Cleanup(true)
|
|
|
|
if !tunConf.Enable {
|
|
return
|
|
}
|
|
|
|
tunStackListener, err = tun.New(tunConf, tcpIn, udpIn)
|
|
|
|
lastTunConf = tunConf
|
|
}
|
|
|
|
// GetPorts return the ports of proxy servers
|
|
func GetPorts() *Ports {
|
|
ports := &Ports{}
|
|
|
|
if httpListener != nil {
|
|
_, portStr, _ := net.SplitHostPort(httpListener.Address())
|
|
port, _ := strconv.Atoi(portStr)
|
|
ports.Port = port
|
|
}
|
|
|
|
if socksListener != nil {
|
|
_, portStr, _ := net.SplitHostPort(socksListener.Address())
|
|
port, _ := strconv.Atoi(portStr)
|
|
ports.SocksPort = port
|
|
}
|
|
|
|
if redirListener != nil {
|
|
_, portStr, _ := net.SplitHostPort(redirListener.Address())
|
|
port, _ := strconv.Atoi(portStr)
|
|
ports.RedirPort = port
|
|
}
|
|
|
|
if tproxyListener != nil {
|
|
_, portStr, _ := net.SplitHostPort(tproxyListener.Address())
|
|
port, _ := strconv.Atoi(portStr)
|
|
ports.TProxyPort = port
|
|
}
|
|
|
|
if mixedListener != nil {
|
|
_, portStr, _ := net.SplitHostPort(mixedListener.Address())
|
|
port, _ := strconv.Atoi(portStr)
|
|
ports.MixedPort = port
|
|
}
|
|
|
|
return ports
|
|
}
|
|
|
|
func portIsZero(addr string) bool {
|
|
_, port, err := net.SplitHostPort(addr)
|
|
if port == "0" || port == "" || err != nil {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
func genAddr(host string, port int, allowLan bool) string {
|
|
if allowLan {
|
|
if host == "*" {
|
|
return fmt.Sprintf(":%d", port)
|
|
}
|
|
return fmt.Sprintf("%s:%d", host, port)
|
|
}
|
|
|
|
return fmt.Sprintf("127.0.0.1:%d", port)
|
|
}
|
|
|
|
func hasTunConfigChange(tunConf *config.Tun) bool {
|
|
if lastTunConf == nil {
|
|
return true
|
|
}
|
|
|
|
if len(lastTunConf.DNSHijack) != len(tunConf.DNSHijack) {
|
|
return true
|
|
}
|
|
|
|
sort.Slice(lastTunConf.DNSHijack, func(i, j int) bool {
|
|
return lastTunConf.DNSHijack[i].Addr().Less(lastTunConf.DNSHijack[j].Addr())
|
|
})
|
|
|
|
sort.Slice(tunConf.DNSHijack, func(i, j int) bool {
|
|
return tunConf.DNSHijack[i].Addr().Less(tunConf.DNSHijack[j].Addr())
|
|
})
|
|
|
|
for i, dns := range tunConf.DNSHijack {
|
|
if dns != lastTunConf.DNSHijack[i] {
|
|
return true
|
|
}
|
|
}
|
|
|
|
if lastTunConf.Enable != tunConf.Enable ||
|
|
lastTunConf.Device != tunConf.Device ||
|
|
lastTunConf.Stack != tunConf.Stack ||
|
|
lastTunConf.AutoRoute != tunConf.AutoRoute ||
|
|
lastTunConf.AutoDetectInterface != tunConf.AutoDetectInterface {
|
|
return true
|
|
}
|
|
|
|
if tunConf.TunAddressPrefix.String() != lastTunConf.TunAddressPrefix.String() {
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func Cleanup(wait bool) {
|
|
if tunStackListener != nil {
|
|
_ = tunStackListener.Close()
|
|
commons.StopDefaultInterfaceChangeMonitor()
|
|
|
|
if wait {
|
|
commons.WaitForTunClose(lastTunConf.Device)
|
|
}
|
|
|
|
if runtime.GOOS == "android" {
|
|
prefs := []int{9000, 9001, 9002, 9003, 9004}
|
|
for _, pref := range prefs {
|
|
_, _ = cmd.ExecCmd(fmt.Sprintf("ip rule del pref %d", pref))
|
|
}
|
|
}
|
|
}
|
|
tunStackListener = nil
|
|
lastTunConf = nil
|
|
lastTunAddressPrefix = nil
|
|
}
|