1 files changed, 0 insertions, 89 deletions
diff --git a/server/sockopt_bsd.go b/server/sockopt_bsd.go
deleted file mode 100644
index 651e4e58..00000000
--- a/server/sockopt_bsd.go
+++ /dev/null
@@ -1,89 +0,0 @@
-// Copyright (C) 2016 Nippon Telegraph and Telephone Corporation.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-// implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// +build dragonfly freebsd netbsd
-
-package server
-
-import (
-	"net"
-	"os"
-	"syscall"
-)
-
-const (
-	TCP_MD5SIG       = 0x10 // TCP MD5 Signature (RFC2385)
-	IPV6_MINHOPCOUNT = 73   // Generalized TTL Security Mechanism (RFC5082)
-)
-
-func setsockoptTcpMD5Sig(fd int, address string, key string) error {
-	// always enable and assumes that the configuration is done by setkey()
-	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_MD5SIG, 1))
-}
-
-func setTcpMD5SigSockopt(l *net.TCPListener, address string, key string) error {
-	fi, _, err := extractFileAndFamilyFromTCPListener(l)
-	defer fi.Close()
-	if err != nil {
-		return err
-	}
-	return setsockoptTcpMD5Sig(int(fi.Fd()), address, key)
-}
-
-func setsockoptIpTtl(fd int, family int, value int) error {
-	level := syscall.IPPROTO_IP
-	name := syscall.IP_TTL
-	if family == syscall.AF_INET6 {
-		level = syscall.IPPROTO_IPV6
-		name = syscall.IPV6_UNICAST_HOPS
-	}
-	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd, level, name, value))
-}
-
-func setListenTcpTTLSockopt(l *net.TCPListener, ttl int) error {
-	fi, family, err := extractFileAndFamilyFromTCPListener(l)
-	defer fi.Close()
-	if err != nil {
-		return err
-	}
-	return setsockoptIpTtl(int(fi.Fd()), family, ttl)
-}
-
-func setTcpTTLSockopt(conn *net.TCPConn, ttl int) error {
-	fi, family, err := extractFileAndFamilyFromTCPConn(conn)
-	defer fi.Close()
-	if err != nil {
-		return err
-	}
-	return setsockoptIpTtl(int(fi.Fd()), family, ttl)
-}
-
-func setsockoptIpMinTtl(fd int, family int, value int) error {
-	level := syscall.IPPROTO_IP
-	name := syscall.IP_MINTTL
-	if family == syscall.AF_INET6 {
-		level = syscall.IPPROTO_IPV6
-		name = IPV6_MINHOPCOUNT
-	}
-	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd, level, name, value))
-}
-
-func setTcpMinTTLSockopt(conn *net.TCPConn, ttl int) error {
-	fi, family, err := extractFileAndFamilyFromTCPConn(conn)
-	defer fi.Close()
-	if err != nil {
-		return err
-	}
-	return setsockoptIpMinTtl(int(fi.Fd()), family, ttl)
-}