Bump github.com/pires/go-proxyproto from 0.15.0 to 0.16.0

Bumps [github.com/pires/go-proxyproto](https://github.com/pires/go-proxyproto) from 0.15.0 to 0.16.0.
- [Release notes](https://github.com/pires/go-proxyproto/releases)
- [Commits](https://github.com/pires/go-proxyproto/compare/v0.15.0...v0.16.0)

---
updated-dependencies:
- dependency-name: github.com/pires/go-proxyproto
  dependency-version: 0.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/miekg/dns v1.1.73
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pion/stun/v3 v3.1.7
-	github.com/pires/go-proxyproto v0.15.0
+	github.com/pires/go-proxyproto v0.16.0
 	github.com/refraction-networking/utls v1.8.3-0.20260301010127-aa6edf4b11af
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/stretchr/testify v1.12.1

go.sum

@@ -59,8 +59,8 @@ github.com/pion/stun/v3 v3.1.7 h1:uRXMTlGLf89WgItGNyZ6aR5jMTX0NBbybXADpQCzn+E=
 github.com/pion/stun/v3 v3.1.7/go.mod h1:Nq77RW4aRrSNrltf2ksUJLjxWeipj4lnlgdsYIxC8g8=
 github.com/pion/transport/v4 v4.1.0 h1:8S+nF2reM2cJuqC6g78OVy2BBgmbdns+acx3jA97BvQ=
 github.com/pion/transport/v4 v4.1.0/go.mod h1:06hFI+jCFcok2X2MekVufNZ/uzNZXivGBPfviSVcjgM=
-github.com/pires/go-proxyproto v0.15.0 h1:dTshmNbFm/D+0+sbrxUuddPOZ5Y0B7c5NhtsBkm6LqI=
-github.com/pires/go-proxyproto v0.15.0/go.mod h1:OXsCrKwrK2tXS9YrI5tkHx5xaQlO8FH3lFW76orFh24=
+github.com/pires/go-proxyproto v0.16.0 h1:9KYT/fM3wpjT8bdMEj/7FBcoiUG1KyzEjRYnPu+vz7A=
+github.com/pires/go-proxyproto v0.16.0/go.mod h1:n7yhg8yIfNl3KgYDCwBzmeUHNpKTVnUhcWpc7rV4RW4=
 github.com/quic-go/go-ossfuzz-seeds v0.1.0 h1:APacT+iIaNF6fd8AGEiN3bT/Jtkd2jz4v4TzM7MFjy0=
 github.com/quic-go/go-ossfuzz-seeds v0.1.0/go.mod h1:3IOHRbJIc+L6YKMwfDtJAM9Vj9k0YY4muhuyUYk5tbk=
 github.com/quic-go/qpack v0.6.0 h1:g7W+BMYynC1LbYLSqRt8PBg5Tgwxn214ZZR34VIOjz8=

proxy/tun/tun_darwin.go

@@ -558,16 +558,19 @@ func ioctlPtr(fd int, req uint, arg unsafe.Pointer) error {
 }
 
 func setinterface(network, address string, fd uintptr, iface *net.Interface) error {
+	var err1, err2 error
+
 	switch network {
 	case "tcp6", "udp6", "ip6":
-		// IPV6_BOUND_IF binds the IPv4 traffic of a dual-stack socket as
-		// well, and an IPv6 socket rejects IP_BOUND_IF with EINVAL.
-		return unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, iface.Index)
+		err1 = unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, iface.Index)
+		fallthrough
 	case "tcp4", "udp4", "ip4":
-		return unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, iface.Index)
+		err2 = unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, iface.Index)
 	default:
 		panic(network + " " + address)
 	}
+
+	return errors.Join(err1, err2)
 }
 
 func findOutboundInterface(tunIndex int, fixedName string) (*net.Interface, error) {

proxy/tun/tun_darwin_test.go

@@ -3,10 +3,7 @@
 package tun
 
 import (
-	"context"
-	"net"
 	"sync"
-	"syscall"
 	"testing"
 	"time"
 
@@ -234,40 +231,3 @@ func TestWaitKqueueReportsPersistentFailure(t *testing.T) {
 		}
 	}
 }
-
-// TestSetinterfaceSocketFamilies binds each kind of socket Xray's dialers
-// open to lo0, including the dual-stack one Go opens for UDP.
-func TestSetinterfaceSocketFamilies(t *testing.T) {
-	lo, err := net.InterfaceByName("lo0")
-	if err != nil {
-		t.Skip(err)
-	}
-	lc := net.ListenConfig{Control: func(network, address string, c syscall.RawConn) error {
-		var err error
-		if controlErr := c.Control(func(fd uintptr) {
-			err = setinterface(network, address, fd, lo)
-		}); controlErr != nil {
-			return controlErr
-		}
-		return err
-	}}
-	for _, s := range []struct{ network, address string }{
-		{"udp", "0.0.0.0:0"}, // dual-stack
-		{"udp4", "127.0.0.1:0"},
-		{"udp6", "[::1]:0"},
-		{"tcp4", "127.0.0.1:0"},
-		{"tcp6", "[::1]:0"},
-	} {
-		var closer interface{ Close() error }
-		if s.network[:3] == "udp" {
-			closer, err = lc.ListenPacket(context.Background(), s.network, s.address)
-		} else {
-			closer, err = lc.Listen(context.Background(), s.network, s.address)
-		}
-		if err != nil {
-			t.Errorf("%s %s: %v", s.network, s.address, err)
-			continue
-		}
-		closer.Close()
-	}
-}