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-rw-r--r--src/conn.go87
-rw-r--r--src/conn_linux.go271
-rw-r--r--src/cookie.go12
-rw-r--r--src/device.go22
-rw-r--r--src/peer.go5
-rw-r--r--src/receive.go57
6 files changed, 238 insertions, 216 deletions
diff --git a/src/conn.go b/src/conn.go
index 61be3bf..db4020d 100644
--- a/src/conn.go
+++ b/src/conn.go
@@ -5,6 +5,14 @@ import (
"net"
)
+type UDPBind interface {
+ SetMark(value uint32) error
+ ReceiveIPv6(buff []byte, end *Endpoint) (int, error)
+ ReceiveIPv4(buff []byte, end *Endpoint) (int, error)
+ Send(buff []byte, end *Endpoint) error
+ Close() error
+}
+
func parseEndpoint(s string) (*net.UDPAddr, error) {
// ensure that the host is an IP address
@@ -26,19 +34,6 @@ func parseEndpoint(s string) (*net.UDPAddr, error) {
return addr, err
}
-func ListenerClose(l *Listener) (err error) {
- if l.active {
- err = CloseIPv4Socket(l.sock)
- l.active = false
- }
- return
-}
-
-func (l *Listener) Init() {
- l.update = make(chan struct{}, 1)
- ListenerClose(l)
-}
-
func ListeningUpdate(device *Device) error {
netc := &device.net
netc.mutex.Lock()
@@ -46,11 +41,7 @@ func ListeningUpdate(device *Device) error {
// close existing sockets
- if err := ListenerClose(&netc.ipv4); err != nil {
- return err
- }
-
- if err := ListenerClose(&netc.ipv6); err != nil {
+ if err := device.net.bind.Close(); err != nil {
return err
}
@@ -58,45 +49,22 @@ func ListeningUpdate(device *Device) error {
if device.tun.isUp.Get() {
- // listen on IPv4
-
- {
- list := &netc.ipv6
- sock, port, err := CreateIPv4Socket(netc.port)
- if err != nil {
- return err
- }
- netc.port = port
- list.sock = sock
- list.active = true
-
- if err := SetMark(list.sock, netc.fwmark); err != nil {
- ListenerClose(list)
- return err
- }
- signalSend(list.update)
+ // bind to new port
+
+ var err error
+ netc.bind, netc.port, err = CreateUDPBind(netc.port)
+ if err != nil {
+ return err
}
- // listen on IPv6
-
- {
- list := &netc.ipv6
- sock, port, err := CreateIPv6Socket(netc.port)
- if err != nil {
- return err
- }
- netc.port = port
- list.sock = sock
- list.active = true
-
- if err := SetMark(list.sock, netc.fwmark); err != nil {
- ListenerClose(list)
- return err
- }
- signalSend(list.update)
+ // set mark
+
+ err = netc.bind.SetMark(netc.fwmark)
+ if err != nil {
+ return err
}
- // TODO: clear endpoint caches
+ // TODO: clear endpoint (src) caches
}
return nil
@@ -106,16 +74,5 @@ func ListeningClose(device *Device) error {
netc := &device.net
netc.mutex.Lock()
defer netc.mutex.Unlock()
-
- if err := ListenerClose(&netc.ipv4); err != nil {
- return err
- }
- signalSend(netc.ipv4.update)
-
- if err := ListenerClose(&netc.ipv6); err != nil {
- return err
- }
- signalSend(netc.ipv6.update)
-
- return nil
+ return netc.bind.Close()
}
diff --git a/src/conn_linux.go b/src/conn_linux.go
index 034fb8b..8942b03 100644
--- a/src/conn_linux.go
+++ b/src/conn_linux.go
@@ -14,35 +14,158 @@ import (
"unsafe"
)
-import "fmt"
-
/* Supports source address caching
*
* Currently there is no way to achieve this within the net package:
* See e.g. https://github.com/golang/go/issues/17930
- * So this code is platform dependent.
- *
- * It is important that the endpoint is only updated after the packet content has been authenticated!
+ * So this code is remains platform dependent.
*/
type Endpoint struct {
- // source (selected based on dst type)
- // (could use RawSockaddrAny and unsafe)
- // TODO: Merge
- src6 unix.RawSockaddrInet6
- src4 unix.RawSockaddrInet4
- src4if int32
-
- dst unix.RawSockaddrAny
+ src unix.RawSockaddrInet6
+ dst unix.RawSockaddrInet6
+}
+
+type IPv4Source struct {
+ src unix.RawSockaddrInet4
+ Ifindex int32
}
-type Socket int
+type Bind struct {
+ sock4 int
+ sock6 int
+}
-/* Returns a byte representation of the source field(s)
- * for use in "under load" cookie computations.
- */
-func (endpoint *Endpoint) Source() []byte {
- return nil
+func CreateUDPBind(port uint16) (UDPBind, uint16, error) {
+ var err error
+ var bind Bind
+
+ bind.sock6, port, err = create6(port)
+ if err != nil {
+ return nil, port, err
+ }
+
+ bind.sock4, port, err = create4(port)
+ if err != nil {
+ unix.Close(bind.sock6)
+ }
+ return &bind, port, err
+}
+
+func (bind *Bind) SetMark(value uint32) error {
+ err := unix.SetsockoptInt(
+ bind.sock6,
+ unix.SOL_SOCKET,
+ unix.SO_MARK,
+ int(value),
+ )
+
+ if err != nil {
+ return err
+ }
+
+ return unix.SetsockoptInt(
+ bind.sock4,
+ unix.SOL_SOCKET,
+ unix.SO_MARK,
+ int(value),
+ )
+}
+
+func (bind *Bind) Close() error {
+ err1 := unix.Close(bind.sock6)
+ err2 := unix.Close(bind.sock4)
+ if err1 != nil {
+ return err1
+ }
+ return err2
+}
+
+func (bind *Bind) ReceiveIPv6(buff []byte, end *Endpoint) (int, error) {
+ return receive6(
+ bind.sock6,
+ buff,
+ end,
+ )
+}
+
+func (bind *Bind) ReceiveIPv4(buff []byte, end *Endpoint) (int, error) {
+ return receive4(
+ bind.sock4,
+ buff,
+ end,
+ )
+}
+
+func (bind *Bind) Send(buff []byte, end *Endpoint) error {
+ switch end.src.Family {
+ case unix.AF_INET6:
+ return send6(bind.sock6, end, buff)
+ case unix.AF_INET:
+ return send4(bind.sock4, end, buff)
+ default:
+ return errors.New("Unknown address family of source")
+ }
+}
+
+func sockaddrToString(addr unix.RawSockaddrInet6) string {
+ var udpAddr net.UDPAddr
+
+ switch addr.Family {
+ case unix.AF_INET6:
+ udpAddr.Port = int(addr.Port)
+ udpAddr.IP = addr.Addr[:]
+ return udpAddr.String()
+
+ case unix.AF_INET:
+ ptr := (*unix.RawSockaddrInet4)(unsafe.Pointer(&addr))
+ udpAddr.Port = int(ptr.Port)
+ udpAddr.IP = net.IPv4(
+ ptr.Addr[0],
+ ptr.Addr[1],
+ ptr.Addr[2],
+ ptr.Addr[3],
+ )
+ return udpAddr.String()
+
+ default:
+ return "<unknown address family>"
+ }
+}
+
+func (end *Endpoint) DestinationIP() net.IP {
+ switch end.dst.Family {
+ case unix.AF_INET6:
+ return end.dst.Addr[:]
+ case unix.AF_INET:
+ ptr := (*unix.RawSockaddrInet4)(unsafe.Pointer(&end.dst))
+ return net.IPv4(
+ ptr.Addr[0],
+ ptr.Addr[1],
+ ptr.Addr[2],
+ ptr.Addr[3],
+ )
+ default:
+ return nil
+ }
+}
+
+func (end *Endpoint) SourceToBytes() []byte {
+ ptr := unsafe.Pointer(&end.src)
+ arr := (*[unix.SizeofSockaddrInet6]byte)(ptr)
+ return arr[:]
+}
+
+func (end *Endpoint) SourceToString() string {
+ return sockaddrToString(end.src)
+}
+
+func (end *Endpoint) DestinationToString() string {
+ return sockaddrToString(end.dst)
+}
+
+func (end *Endpoint) ClearSrc() {
+ end.src = unix.RawSockaddrInet6{}
}
func zoneToUint32(zone string) (uint32, error) {
@@ -56,7 +179,7 @@ func zoneToUint32(zone string) (uint32, error) {
return uint32(n), err
}
-func CreateIPv4Socket(port uint16) (Socket, uint16, error) {
+func create4(port uint16) (int, uint16, error) {
// create socket
@@ -100,18 +223,10 @@ func CreateIPv4Socket(port uint16) (Socket, uint16, error) {
unix.Close(fd)
}
- return Socket(fd), uint16(addr.Port), err
+ return fd, uint16(addr.Port), err
}
-func CloseIPv4Socket(sock Socket) error {
- return unix.Close(int(sock))
-}
-
-func CloseIPv6Socket(sock Socket) error {
- return unix.Close(int(sock))
-}
-
-func CreateIPv6Socket(port uint16) (Socket, uint16, error) {
+func create6(port uint16) (int, uint16, error) {
// create socket
@@ -166,13 +281,7 @@ func CreateIPv6Socket(port uint16) (Socket, uint16, error) {
unix.Close(fd)
}
- return Socket(fd), uint16(addr.Port), err
-}
-
-func (end *Endpoint) ClearSrc() {
- end.src4if = 0
- end.src4 = unix.RawSockaddrInet4{}
- end.src6 = unix.RawSockaddrInet6{}
+ return fd, uint16(addr.Port), err
}
func (end *Endpoint) Set(s string) error {
@@ -187,23 +296,23 @@ func (end *Endpoint) Set(s string) error {
if err != nil {
return err
}
- ptr := (*unix.RawSockaddrInet6)(unsafe.Pointer(&end.dst))
- ptr.Family = unix.AF_INET6
- ptr.Port = uint16(addr.Port)
- ptr.Flowinfo = 0
- ptr.Scope_id = zone
- copy(ptr.Addr[:], ipv6[:])
+ dst := &end.dst
+ dst.Family = unix.AF_INET6
+ dst.Port = uint16(addr.Port)
+ dst.Flowinfo = 0
+ dst.Scope_id = zone
+ copy(dst.Addr[:], ipv6[:])
end.ClearSrc()
return nil
}
ipv4 := addr.IP.To4()
if ipv4 != nil {
- ptr := (*unix.RawSockaddrInet4)(unsafe.Pointer(&end.dst))
- ptr.Family = unix.AF_INET
- ptr.Port = uint16(addr.Port)
- ptr.Zero = [8]byte{}
- copy(ptr.Addr[:], ipv4)
+ dst := (*unix.RawSockaddrInet4)(unsafe.Pointer(&end.dst))
+ dst.Family = unix.AF_INET
+ dst.Port = uint16(addr.Port)
+ dst.Zero = [8]byte{}
+ copy(dst.Addr[:], ipv4)
end.ClearSrc()
return nil
}
@@ -211,7 +320,7 @@ func (end *Endpoint) Set(s string) error {
return errors.New("Failed to recognize IP address format")
}
-func send6(sock uintptr, end *Endpoint, buff []byte) error {
+func send6(sock int, end *Endpoint, buff []byte) error {
// construct message header
@@ -229,8 +338,8 @@ func send6(sock uintptr, end *Endpoint, buff []byte) error {
Len: unix.SizeofInet6Pktinfo,
},
unix.Inet6Pktinfo{
- Addr: end.src6.Addr,
- Ifindex: end.src6.Scope_id,
+ Addr: end.src.Addr,
+ Ifindex: end.src.Scope_id,
},
}
@@ -248,7 +357,7 @@ func send6(sock uintptr, end *Endpoint, buff []byte) error {
_, _, errno := unix.Syscall(
unix.SYS_SENDMSG,
- sock,
+ uintptr(sock),
uintptr(unsafe.Pointer(&msghdr)),
0,
)
@@ -258,7 +367,7 @@ func send6(sock uintptr, end *Endpoint, buff []byte) error {
return errno
}
-func send4(sock uintptr, end *Endpoint, buff []byte) error {
+func send4(sock int, end *Endpoint, buff []byte) error {
// construct message header
@@ -266,6 +375,8 @@ func send4(sock uintptr, end *Endpoint, buff []byte) error {
iovec.Base = (*byte)(unsafe.Pointer(&buff[0]))
iovec.SetLen(len(buff))
+ src4 := (*IPv4Source)(unsafe.Pointer(&end.src))
+
cmsg := struct {
cmsghdr unix.Cmsghdr
pktinfo unix.Inet4Pktinfo
@@ -276,8 +387,8 @@ func send4(sock uintptr, end *Endpoint, buff []byte) error {
Len: unix.SizeofInet4Pktinfo,
},
unix.Inet4Pktinfo{
- Spec_dst: end.src4.Addr,
- Ifindex: end.src4if,
+ Spec_dst: src4.src.Addr,
+ Ifindex: src4.Ifindex,
},
}
@@ -295,7 +406,7 @@ func send4(sock uintptr, end *Endpoint, buff []byte) error {
_, _, errno := unix.Syscall(
unix.SYS_SENDMSG,
- sock,
+ uintptr(sock),
uintptr(unsafe.Pointer(&msghdr)),
0,
)
@@ -305,28 +416,7 @@ func send4(sock uintptr, end *Endpoint, buff []byte) error {
return errno
}
-func (end *Endpoint) Send(c *net.UDPConn, buff []byte) error {
-
- // extract underlying file descriptor
-
- file, err := c.File()
- if err != nil {
- return err
- }
- sock := file.Fd()
-
- // send depending on address family of dst
-
- family := *((*uint16)(unsafe.Pointer(&end.dst)))
- if family == unix.AF_INET {
- return send4(sock, end, buff)
- } else if family == unix.AF_INET6 {
- return send6(sock, end, buff)
- }
- return errors.New("Unknown address family of source")
-}
-
-func (end *Endpoint) ReceiveIPv4(sock Socket, buff []byte) (int, error) {
+func receive4(sock int, buff []byte, end *Endpoint) (int, error) {
// contruct message header
@@ -360,22 +450,21 @@ func (end *Endpoint) ReceiveIPv4(sock Socket, buff []byte) (int, error) {
return 0, errno
}
- fmt.Println(msghdr)
- fmt.Println(cmsg)
-
// update source cache
if cmsg.cmsghdr.Level == unix.IPPROTO_IP &&
cmsg.cmsghdr.Type == unix.IP_PKTINFO &&
cmsg.cmsghdr.Len >= unix.SizeofInet4Pktinfo {
- end.src4.Addr = cmsg.pktinfo.Spec_dst
- end.src4if = cmsg.pktinfo.Ifindex
+ src4 := (*IPv4Source)(unsafe.Pointer(&end.src))
+ src4.src.Family = unix.AF_INET
+ src4.src.Addr = cmsg.pktinfo.Spec_dst
+ src4.Ifindex = cmsg.pktinfo.Ifindex
}
return int(size), nil
}
-func (end *Endpoint) ReceiveIPv6(sock Socket, buff []byte) (int, error) {
+func receive6(sock int, buff []byte, end *Endpoint) (int, error) {
// contruct message header
@@ -414,18 +503,10 @@ func (end *Endpoint) ReceiveIPv6(sock Socket, buff []byte) (int, error) {
if cmsg.cmsghdr.Level == unix.IPPROTO_IPV6 &&
cmsg.cmsghdr.Type == unix.IPV6_PKTINFO &&
cmsg.cmsghdr.Len >= unix.SizeofInet6Pktinfo {
- end.src6.Addr = cmsg.pktinfo.Addr
- end.src6.Scope_id = cmsg.pktinfo.Ifindex
+ end.src.Family = unix.AF_INET6
+ end.src.Addr = cmsg.pktinfo.Addr
+ end.src.Scope_id = cmsg.pktinfo.Ifindex
}
return int(size), nil
}
-
-func SetMark(sock Socket, value uint32) error {
- return unix.SetsockoptInt(
- int(sock),
- unix.SOL_SOCKET,
- unix.SO_MARK,
- int(value),
- )
-}
diff --git a/src/cookie.go b/src/cookie.go
index a81819b..a13ad49 100644
--- a/src/cookie.go
+++ b/src/cookie.go
@@ -5,10 +5,8 @@ import (
"crypto/rand"
"golang.org/x/crypto/blake2s"
"golang.org/x/crypto/chacha20poly1305"
- "net"
"sync"
"time"
- "unsafe"
)
type CookieChecker struct {
@@ -76,7 +74,7 @@ func (st *CookieChecker) CheckMAC1(msg []byte) bool {
return hmac.Equal(mac1[:], msg[smac1:smac2])
}
-func (st *CookieChecker) CheckMAC2(msg []byte, src *net.UDPAddr) bool {
+func (st *CookieChecker) CheckMAC2(msg []byte, src []byte) bool {
st.mutex.RLock()
defer st.mutex.RUnlock()
@@ -89,8 +87,7 @@ func (st *CookieChecker) CheckMAC2(msg []byte, src *net.UDPAddr) bool {
var cookie [blake2s.Size128]byte
func() {
mac, _ := blake2s.New128(st.mac2.secret[:])
- mac.Write(src.IP)
- mac.Write((*[unsafe.Sizeof(src.Port)]byte)(unsafe.Pointer(&src.Port))[:])
+ mac.Write(src)
mac.Sum(cookie[:0])
}()
@@ -111,7 +108,7 @@ func (st *CookieChecker) CheckMAC2(msg []byte, src *net.UDPAddr) bool {
func (st *CookieChecker) CreateReply(
msg []byte,
recv uint32,
- src *net.UDPAddr,
+ src []byte,
) (*MessageCookieReply, error) {
st.mutex.RLock()
@@ -136,8 +133,7 @@ func (st *CookieChecker) CreateReply(
var cookie [blake2s.Size128]byte
func() {
mac, _ := blake2s.New128(st.mac2.secret[:])
- mac.Write(src.IP)
- mac.Write((*[unsafe.Sizeof(src.Port)]byte)(unsafe.Pointer(&src.Port))[:])
+ mac.Write(src)
mac.Sum(cookie[:0])
}()
diff --git a/src/device.go b/src/device.go
index 509e6a7..d1e0685 100644
--- a/src/device.go
+++ b/src/device.go
@@ -1,18 +1,14 @@
package main
import (
+ "golang.org/x/net/ipv4"
+ "golang.org/x/net/ipv6"
"runtime"
"sync"
"sync/atomic"
"time"
)
-type Listener struct {
- sock Socket
- active bool
- update chan struct{}
-}
-
type Device struct {
log *Logger // collection of loggers for levels
idCounter uint // for assigning debug ids to peers
@@ -27,8 +23,7 @@ type Device struct {
}
net struct {
mutex sync.RWMutex
- ipv4 Listener
- ipv6 Listener
+ bind UDPBind
port uint16
fwmark uint32
}
@@ -43,9 +38,8 @@ type Device struct {
handshake chan QueueHandshakeElement
}
signal struct {
- stop chan struct{} // halts all go routines
- updateIPv4Socket chan struct{} // a net.conn was set (consumed by the receiver routine)
- updateIPv6Socket chan struct{} // a net.conn was set (consumed by the receiver routine)
+ stop chan struct{}
+ updateBind chan struct{}
}
underLoadUntil atomic.Value
ratelimiter Ratelimiter
@@ -146,8 +140,6 @@ func NewDevice(tun TUNDevice, logLevel int) *Device {
device.tun.device = tun
device.indices.Init()
- device.net.ipv4.Init()
- device.net.ipv6.Init()
device.ratelimiter.Init()
device.routingTable.Reset()
@@ -181,8 +173,8 @@ func NewDevice(tun TUNDevice, logLevel int) *Device {
go device.RoutineReadFromTUN()
go device.RoutineTUNEventReader()
go device.ratelimiter.RoutineGarbageCollector(device.signal.stop)
- go device.RoutineReceiveIncomming(&device.net.ipv4)
- go device.RoutineReceiveIncomming(&device.net.ipv6)
+ go device.RoutineReceiveIncomming(ipv4.Version)
+ go device.RoutineReceiveIncomming(ipv6.Version)
return device
}
diff --git a/src/peer.go b/src/peer.go
index 6fea829..791c091 100644
--- a/src/peer.go
+++ b/src/peer.go
@@ -4,7 +4,6 @@ import (
"encoding/base64"
"errors"
"fmt"
- "net"
"sync"
"time"
)
@@ -15,8 +14,8 @@ type Peer struct {
persistentKeepaliveInterval uint64
keyPairs KeyPairs
handshake Handshake
+ endpoint Endpoint
device *Device
- endpoint *net.UDPAddr
stats struct {
txBytes uint64 // bytes send to peer (endpoint)
rxBytes uint64 // bytes received from peer
@@ -134,7 +133,7 @@ func (peer *Peer) String() string {
return fmt.Sprintf(
"peer(%d %s %s)",
peer.id,
- peer.endpoint.String(),
+ peer.endpoint.DestinationToString(),
base64.StdEncoding.EncodeToString(peer.handshake.remoteStatic[:]),
)
}
diff --git a/src/receive.go b/src/receive.go
index 60c0f2c..664f1ba 100644
--- a/src/receive.go
+++ b/src/receive.go
@@ -97,17 +97,6 @@ func (device *Device) RoutineReceiveIncomming(IPVersion int) {
logDebug := device.log.Debug
logDebug.Println("Routine, receive incomming, started")
- var listener *Listener
-
- switch IPVersion {
- case ipv4.Version:
- listener = &device.net.ipv4
- case ipv6.Version:
- listener = &device.net.ipv6
- default:
- return
- }
-
for {
// wait for new conn
@@ -118,15 +107,14 @@ func (device *Device) RoutineReceiveIncomming(IPVersion int) {
case <-device.signal.stop:
return
- case <-listener.update:
+ case <-device.signal.updateBind:
// fetch new socket
device.net.mutex.RLock()
- sock := listener.sock
- okay := listener.active
+ bind := device.net.bind
device.net.mutex.RUnlock()
- if !okay {
+ if bind == nil {
continue
}
@@ -145,10 +133,13 @@ func (device *Device) RoutineReceiveIncomming(IPVersion int) {
var endpoint Endpoint
- if IPVersion == ipv6.Version {
- size, err = endpoint.ReceiveIPv4(sock, buffer[:])
- } else {
- size, err = endpoint.ReceiveIPv6(sock, buffer[:])
+ switch IPVersion {
+ case ipv4.Version:
+ size, err = bind.ReceiveIPv4(buffer[:], &endpoint)
+ case ipv6.Version:
+ size, err = bind.ReceiveIPv6(buffer[:], &endpoint)
+ default:
+ return
}
if err != nil {
@@ -340,15 +331,19 @@ func (device *Device) RoutineHandshake() {
return
}
+ srcBytes := elem.endpoint.SourceToBytes()
if device.IsUnderLoad() {
- if !device.mac.CheckMAC2(elem.packet, elem.source) {
+
+ // verify MAC2 field
+
+ if !device.mac.CheckMAC2(elem.packet, srcBytes) {
// construct cookie reply
- logDebug.Println("Sending cookie reply to:", elem.source.String())
+ logDebug.Println("Sending cookie reply to:", elem.endpoint.SourceToString())
sender := binary.LittleEndian.Uint32(elem.packet[4:8]) // "sender" always follows "type"
- reply, err := device.mac.CreateReply(elem.packet, sender, elem.source)
+ reply, err := device.mac.CreateReply(elem.packet, sender, srcBytes)
if err != nil {
logError.Println("Failed to create cookie reply:", err)
return
@@ -358,9 +353,9 @@ func (device *Device) RoutineHandshake() {
writer := bytes.NewBuffer(temp[:0])
binary.Write(writer, binary.LittleEndian, reply)
- _, err = device.net.conn.WriteToUDP(
+ device.net.bind.Send(
writer.Bytes(),
- elem.source,
+ &elem.endpoint,
)
if err != nil {
logDebug.Println("Failed to send cookie reply:", err)
@@ -368,7 +363,11 @@ func (device *Device) RoutineHandshake() {
continue
}
- if !device.ratelimiter.Allow(elem.source.IP) {
+ // check ratelimiter
+
+ if !device.ratelimiter.Allow(
+ elem.endpoint.DestinationIP(),
+ ) {
continue
}
}
@@ -399,8 +398,7 @@ func (device *Device) RoutineHandshake() {
if peer == nil {
logInfo.Println(
"Recieved invalid initiation message from",
- elem.source.IP.String(),
- elem.source.Port,
+ elem.endpoint.DestinationToString(),
)
continue
}
@@ -414,7 +412,7 @@ func (device *Device) RoutineHandshake() {
// TODO: Discover destination address also, only update on change
peer.mutex.Lock()
- peer.endpoint = elem.source
+ peer.endpoint = elem.endpoint
peer.mutex.Unlock()
// create response
@@ -460,8 +458,7 @@ func (device *Device) RoutineHandshake() {
if peer == nil {
logInfo.Println(
"Recieved invalid response message from",
- elem.source.IP.String(),
- elem.source.Port,
+ elem.endpoint.DestinationToString(),
)
continue
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 07:50:31 +0000