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Set unix.SO_REUSEPORT=1 for TPROXY Inbound FakeUDP 

Solved some issues.
This commit is contained in:
RPRX 2021-01-19 14:50:21 +00:00 committed by GitHub
parent 8ff43519fd
commit ae98dc75cf
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1 changed files with 7 additions and 0 deletions
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7
proxy/dokodemo/fakeudp_linux.go
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@ -7,6 +7,8 @@ import (
"net" "net"
"os" "os"
"syscall" "syscall"
"golang.org/x/sys/unix"
) )
func FakeUDP(addr *net.UDPAddr, mark int) (net.PacketConn, error) { func FakeUDP(addr *net.UDPAddr, mark int) (net.PacketConn, error) {
@ -33,6 +35,11 @@ func FakeUDP(addr *net.UDPAddr, mark int) (net.PacketConn, error) {
return nil, &net.OpError{Op: "fake", Err: fmt.Errorf("set socket option: SO_REUSEADDR: %s", err)} return nil, &net.OpError{Op: "fake", Err: fmt.Errorf("set socket option: SO_REUSEADDR: %s", err)}
} }
if err = syscall.SetsockoptInt(fileDescriptor, syscall.SOL_SOCKET, unix.SO_REUSEPORT, 1); err != nil {
syscall.Close(fileDescriptor)
return nil, &net.OpError{Op: "fake", Err: fmt.Errorf("set socket option: SO_REUSEPORT: %s", err)}
}
if err = syscall.SetsockoptInt(fileDescriptor, syscall.SOL_IP, syscall.IP_TRANSPARENT, 1); err != nil { if err = syscall.SetsockoptInt(fileDescriptor, syscall.SOL_IP, syscall.IP_TRANSPARENT, 1); err != nil {
syscall.Close(fileDescriptor) syscall.Close(fileDescriptor)
return nil, &net.OpError{Op: "fake", Err: fmt.Errorf("set socket option: IP_TRANSPARENT: %s", err)} return nil, &net.OpError{Op: "fake", Err: fmt.Errorf("set socket option: IP_TRANSPARENT: %s", err)}