mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-09 18:43:12 +00:00
Enhancement of "redirect" function, adding support for MacOS
Added the function of "MacOS" FreeBSD firewall traffic forwarding and resolving destination address example: "inbounds": [ { "listen": "127.0.0.1", "port": 1122, "protocol": "dokodemo-door", "tag": "dokodemo", "settings": { "network": "tcp", "followRedirect": true, "userLevel": 0 }, "streamSettings": { "sockopt": { "tproxy": "Redirect" } } } ] 还原#1189 提交
This commit is contained in:
parent
59602db02d
commit
4140bcd11a
|
@ -72,13 +72,6 @@ func (w *tcpWorker) callback(conn stat.Connection) {
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}
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case internet.SocketConfig_TProxy:
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dest = net.DestinationFromAddr(conn.LocalAddr())
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case internet.SocketConfig_PF:
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d, err := net.OriginalDst(conn)
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if err != nil {
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newError("failed to get original destination").Base(err).WriteToLog(session.ExportIDToError(ctx))
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} else {
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dest = d
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}
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}
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if dest.IsValid() {
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ctx = session.ContextWithOutbound(ctx, &session.Outbound{
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@ -1,94 +0,0 @@
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//go:build darwin
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package net
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import (
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"net"
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"os"
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"syscall"
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"unsafe"
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)
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const (
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PfOut = 2
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IOCOut = 0x40000000
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IOCIn = 0x80000000
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IOCInOut = IOCIn | IOCOut
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IOCPARMMask = 0x1FFF
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LEN = 4*16 + 4*4 + 4*1
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// #define _IOC(inout,group,num,len) (inout | ((len & IOCPARMMask) << 16) | ((group) << 8) | (num))
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// #define _IOWR(g,n,t) _IOC(IOCInOut, (g), (n), sizeof(t))
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// #define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook)
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DIOCNATLOOK = IOCInOut | ((LEN & IOCPARMMask) << 16) | ('D' << 8) | 23
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)
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// OriginalDst uses ioctl to read original destination from /dev/pf
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func OriginalDst(conn Conn) (Destination, error) {
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f, err := os.Open("/dev/pf")
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if err != nil {
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return Destination{}, newError("failed to open device /dev/pf").Base(err)
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}
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defer f.Close()
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fd := f.Fd()
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nl := struct { // struct pfioc_natlook
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saddr, daddr, rsaddr, rdaddr [16]byte
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sxport, dxport, rsxport, rdxport [4]byte
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af, proto, protoVariant, direction uint8
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}{
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af: syscall.AF_INET,
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proto: syscall.IPPROTO_TCP,
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direction: PfOut,
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}
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var raIP, laIP net.IP
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var raPort, laPort int
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la := conn.LocalAddr()
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ra := conn.RemoteAddr()
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switch la.(type) {
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case *net.TCPAddr:
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raIP = ra.(*net.TCPAddr).IP
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laIP = la.(*net.TCPAddr).IP
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raPort = ra.(*net.TCPAddr).Port
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laPort = la.(*net.TCPAddr).Port
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case *net.UDPAddr:
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raIP = ra.(*net.UDPAddr).IP
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laIP = la.(*net.UDPAddr).IP
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raPort = ra.(*net.UDPAddr).Port
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laPort = la.(*net.UDPAddr).Port
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}
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if raIP.To4() != nil {
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if laIP.IsUnspecified() {
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laIP = net.ParseIP("127.0.0.1")
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}
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copy(nl.saddr[:net.IPv4len], raIP.To4())
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copy(nl.daddr[:net.IPv4len], laIP.To4())
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}
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if raIP.To16() != nil && raIP.To4() == nil {
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if laIP.IsUnspecified() {
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laIP = net.ParseIP("::1")
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}
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copy(nl.saddr[:], raIP)
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copy(nl.daddr[:], laIP)
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}
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nl.sxport[0], nl.sxport[1] = byte(raPort>>8), byte(raPort)
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nl.dxport[0], nl.dxport[1] = byte(laPort>>8), byte(laPort)
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if _, _, errno := syscall.Syscall(syscall.SYS_IOCTL, fd, DIOCNATLOOK, uintptr(unsafe.Pointer(&nl))); errno != 0 {
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return Destination{}, os.NewSyscallError("ioctl", err)
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}
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odPort := nl.rdxport
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var odIP net.IP
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switch nl.af {
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case syscall.AF_INET:
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odIP = make(net.IP, net.IPv4len)
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copy(odIP, nl.rdaddr[:net.IPv4len])
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case syscall.AF_INET6:
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odIP = make(net.IP, net.IPv6len)
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copy(odIP, nl.rdaddr[:])
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}
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return Destination{
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Address: IPAddress(odIP),
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Port: PortFromBytes(odPort[:2]),
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Network: Network_TCP,
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}, nil
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}
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@ -1,8 +0,0 @@
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//go:build !darwin
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package net
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// OriginalDst uses ioctl to read original destination from /dev/pf
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func OriginalDst(conn Conn) (Destination, error) {
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return Destination{}, newError("This platform is not supported")
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}
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@ -558,8 +558,6 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
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tproxy = internet.SocketConfig_TProxy
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case "redirect":
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tproxy = internet.SocketConfig_Redirect
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case "pf":
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tproxy = internet.SocketConfig_PF
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default:
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tproxy = internet.SocketConfig_Off
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}
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@ -140,8 +140,6 @@ const (
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SocketConfig_TProxy SocketConfig_TProxyMode = 1
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// Redirect mode.
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SocketConfig_Redirect SocketConfig_TProxyMode = 2
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// PF mode.
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SocketConfig_PF SocketConfig_TProxyMode = 3
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)
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// Enum value maps for SocketConfig_TProxyMode.
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@ -150,13 +148,11 @@ var (
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0: "Off",
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1: "TProxy",
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2: "Redirect",
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3: "PF",
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}
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SocketConfig_TProxyMode_value = map[string]int32{
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"Off": 0,
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"TProxy": 1,
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"Redirect": 2,
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"PF": 3,
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}
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)
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@ -591,7 +587,7 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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0x12, 0x30, 0x0a, 0x13, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x4c, 0x61, 0x79,
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0x65, 0x72, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x13, 0x74,
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0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x4c, 0x61, 0x79, 0x65, 0x72, 0x50, 0x72, 0x6f,
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0x78, 0x79, 0x22, 0xc9, 0x04, 0x0a, 0x0c, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e,
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0x78, 0x79, 0x22, 0xc1, 0x04, 0x0a, 0x0c, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e,
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0x66, 0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x18, 0x01, 0x20, 0x01, 0x28,
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0x05, 0x52, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x12, 0x10, 0x0a, 0x03, 0x74, 0x66, 0x6f, 0x18, 0x02,
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||||
0x20, 0x01, 0x28, 0x05, 0x52, 0x03, 0x74, 0x66, 0x6f, 0x12, 0x48, 0x0a, 0x06, 0x74, 0x70, 0x72,
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@ -624,27 +620,27 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x12, 0x2d, 0x0a, 0x13, 0x74, 0x63, 0x70, 0x5f, 0x6b, 0x65,
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||||
0x65, 0x70, 0x5f, 0x61, 0x6c, 0x69, 0x76, 0x65, 0x5f, 0x69, 0x64, 0x6c, 0x65, 0x18, 0x0b, 0x20,
|
||||
0x01, 0x28, 0x05, 0x52, 0x10, 0x74, 0x63, 0x70, 0x4b, 0x65, 0x65, 0x70, 0x41, 0x6c, 0x69, 0x76,
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||||
0x65, 0x49, 0x64, 0x6c, 0x65, 0x22, 0x37, 0x0a, 0x0a, 0x54, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x4d,
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||||
0x65, 0x49, 0x64, 0x6c, 0x65, 0x22, 0x2f, 0x0a, 0x0a, 0x54, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x4d,
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0x6f, 0x64, 0x65, 0x12, 0x07, 0x0a, 0x03, 0x4f, 0x66, 0x66, 0x10, 0x00, 0x12, 0x0a, 0x0a, 0x06,
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||||
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||||
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|
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|
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72,
|
||||
0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65,
|
||||
0x72, 0x6e, 0x65, 0x74, 0xaa, 0x02, 0x17, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e,
|
||||
0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x62, 0x06,
|
||||
0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
|
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}
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|
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var (
|
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|
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@ -74,8 +74,6 @@ message SocketConfig {
|
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TProxy = 1;
|
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// Redirect mode.
|
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Redirect = 2;
|
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// PF mode.
|
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PF = 3;
|
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}
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// TProxy is for enabling TProxy socket option.
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|
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@ -1,7 +1,11 @@
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package internet
|
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|
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import (
|
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"github.com/xtls/xray-core/common/net"
|
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"golang.org/x/sys/unix"
|
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"os"
|
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"syscall"
|
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"unsafe"
|
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)
|
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|
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const (
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|
@ -13,6 +17,83 @@ const (
|
|||
sysTCP_KEEPINTVL = 0x101 // nolint: revive,stylecheck
|
||||
)
|
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|
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const (
|
||||
PfOut = 2
|
||||
IOCOut = 0x40000000
|
||||
IOCIn = 0x80000000
|
||||
IOCInOut = IOCIn | IOCOut
|
||||
IOCPARMMask = 0x1FFF
|
||||
LEN = 4*16 + 4*4 + 4*1
|
||||
// #define _IOC(inout,group,num,len) (inout | ((len & IOCPARMMask) << 16) | ((group) << 8) | (num))
|
||||
// #define _IOWR(g,n,t) _IOC(IOCInOut, (g), (n), sizeof(t))
|
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// #define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook)
|
||||
DIOCNATLOOK = IOCInOut | ((LEN & IOCPARMMask) << 16) | ('D' << 8) | 23
|
||||
)
|
||||
|
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// OriginalDst uses ioctl to read original destination from /dev/pf
|
||||
func OriginalDst(la, ra net.Addr) (net.IP, int, error) {
|
||||
f, err := os.Open("/dev/pf")
|
||||
if err != nil {
|
||||
return net.IP{}, -1, newError("failed to open device /dev/pf").Base(err)
|
||||
}
|
||||
defer f.Close()
|
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fd := f.Fd()
|
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nl := struct { // struct pfioc_natlook
|
||||
saddr, daddr, rsaddr, rdaddr [16]byte
|
||||
sxport, dxport, rsxport, rdxport [4]byte
|
||||
af, proto, protoVariant, direction uint8
|
||||
}{
|
||||
af: syscall.AF_INET,
|
||||
proto: syscall.IPPROTO_TCP,
|
||||
direction: PfOut,
|
||||
}
|
||||
var raIP, laIP net.IP
|
||||
var raPort, laPort int
|
||||
switch la.(type) {
|
||||
case *net.TCPAddr:
|
||||
raIP = ra.(*net.TCPAddr).IP
|
||||
laIP = la.(*net.TCPAddr).IP
|
||||
raPort = ra.(*net.TCPAddr).Port
|
||||
laPort = la.(*net.TCPAddr).Port
|
||||
case *net.UDPAddr:
|
||||
raIP = ra.(*net.UDPAddr).IP
|
||||
laIP = la.(*net.UDPAddr).IP
|
||||
raPort = ra.(*net.UDPAddr).Port
|
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laPort = la.(*net.UDPAddr).Port
|
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}
|
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if raIP.To4() != nil {
|
||||
if laIP.IsUnspecified() {
|
||||
laIP = net.ParseIP("127.0.0.1")
|
||||
}
|
||||
copy(nl.saddr[:net.IPv4len], raIP.To4())
|
||||
copy(nl.daddr[:net.IPv4len], laIP.To4())
|
||||
}
|
||||
if raIP.To16() != nil && raIP.To4() == nil {
|
||||
if laIP.IsUnspecified() {
|
||||
laIP = net.ParseIP("::1")
|
||||
}
|
||||
copy(nl.saddr[:], raIP)
|
||||
copy(nl.daddr[:], laIP)
|
||||
}
|
||||
nl.sxport[0], nl.sxport[1] = byte(raPort>>8), byte(raPort)
|
||||
nl.dxport[0], nl.dxport[1] = byte(laPort>>8), byte(laPort)
|
||||
if _, _, errno := syscall.Syscall(syscall.SYS_IOCTL, fd, DIOCNATLOOK, uintptr(unsafe.Pointer(&nl))); errno != 0 {
|
||||
return net.IP{}, -1, os.NewSyscallError("ioctl", err)
|
||||
}
|
||||
|
||||
odPort := nl.rdxport
|
||||
var odIP net.IP
|
||||
switch nl.af {
|
||||
case syscall.AF_INET:
|
||||
odIP = make(net.IP, net.IPv4len)
|
||||
copy(odIP, nl.rdaddr[:net.IPv4len])
|
||||
case syscall.AF_INET6:
|
||||
odIP = make(net.IP, net.IPv6len)
|
||||
copy(odIP, nl.rdaddr[:])
|
||||
}
|
||||
return odIP, int(net.PortFromBytes(odPort[:2])), nil
|
||||
}
|
||||
|
||||
func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
|
||||
if isTCPSocket(network) {
|
||||
tfo := config.ParseTFOValue()
|
||||
|
|
25
transport/internet/tcp/sockopt_darwin.go
Normal file
25
transport/internet/tcp/sockopt_darwin.go
Normal file
|
@ -0,0 +1,25 @@
|
|||
//go:build darwin
|
||||
// +build darwin
|
||||
|
||||
package tcp
|
||||
|
||||
import (
|
||||
"github.com/xtls/xray-core/common/net"
|
||||
"github.com/xtls/xray-core/transport/internet"
|
||||
"github.com/xtls/xray-core/transport/internet/stat"
|
||||
)
|
||||
|
||||
// GetOriginalDestination from tcp conn
|
||||
func GetOriginalDestination(conn stat.Connection) (net.Destination, error) {
|
||||
la := conn.LocalAddr()
|
||||
ra := conn.RemoteAddr()
|
||||
ip, port, err := internet.OriginalDst(la, ra)
|
||||
if err != nil {
|
||||
return net.Destination{}, newError("failed to get destination").Base(err)
|
||||
}
|
||||
dest := net.TCPDestination(net.IPAddress(ip), net.Port(port))
|
||||
if !dest.IsValid() {
|
||||
return net.Destination{}, newError("failed to parse destination.")
|
||||
}
|
||||
return dest, nil
|
||||
}
|
|
@ -1,5 +1,5 @@
|
|||
//go:build !linux && !freebsd
|
||||
// +build !linux,!freebsd
|
||||
//go:build !linux && !freebsd && !darwin
|
||||
// +build !linux,!freebsd,!darwin
|
||||
|
||||
package tcp
|
||||
|
||||
|
|
46
transport/internet/udp/hub_darwin.go
Normal file
46
transport/internet/udp/hub_darwin.go
Normal file
|
@ -0,0 +1,46 @@
|
|||
//go:build darwin
|
||||
// +build darwin
|
||||
|
||||
package udp
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/gob"
|
||||
"io"
|
||||
|
||||
"github.com/xtls/xray-core/common/errors"
|
||||
"github.com/xtls/xray-core/common/net"
|
||||
"github.com/xtls/xray-core/transport/internet"
|
||||
)
|
||||
|
||||
// RetrieveOriginalDest from stored laddr, caddr
|
||||
func RetrieveOriginalDest(oob []byte) net.Destination {
|
||||
dec := gob.NewDecoder(bytes.NewBuffer(oob))
|
||||
var la, ra net.UDPAddr
|
||||
dec.Decode(&la)
|
||||
dec.Decode(&ra)
|
||||
ip, port, err := internet.OriginalDst(&la, &ra)
|
||||
if err != nil {
|
||||
return net.Destination{}
|
||||
}
|
||||
return net.UDPDestination(net.IPAddress(ip), net.Port(port))
|
||||
}
|
||||
|
||||
// ReadUDPMsg stores laddr, caddr for later use
|
||||
func ReadUDPMsg(conn *net.UDPConn, payload []byte, oob []byte) (int, int, int, *net.UDPAddr, error) {
|
||||
nBytes, addr, err := conn.ReadFromUDP(payload)
|
||||
var buf bytes.Buffer
|
||||
enc := gob.NewEncoder(&buf)
|
||||
udpAddr, ok := conn.LocalAddr().(*net.UDPAddr)
|
||||
if !ok {
|
||||
return 0, 0, 0, nil, errors.New("invalid local address")
|
||||
}
|
||||
if addr == nil {
|
||||
return 0, 0, 0, nil, errors.New("invalid remote address")
|
||||
}
|
||||
enc.Encode(udpAddr)
|
||||
enc.Encode(addr)
|
||||
var reader io.Reader = &buf
|
||||
noob, _ := reader.Read(oob)
|
||||
return nBytes, noob, 0, addr, err
|
||||
}
|
|
@ -1,5 +1,5 @@
|
|||
//go:build !linux && !freebsd
|
||||
// +build !linux,!freebsd
|
||||
//go:build !linux && !freebsd && !darwin
|
||||
// +build !linux,!freebsd,!darwin
|
||||
|
||||
package udp
|
||||
|
||||
|
|
Loading…
Reference in a new issue