mirror of
https://github.com/osrg/gobgp.git
synced 2024-05-11 05:55:10 +00:00
106 lines
3.0 KiB
Go
106 lines
3.0 KiB
Go
// 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.
|
|
//go:build windows
|
|
// +build windows
|
|
|
|
package server
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
"syscall"
|
|
|
|
"github.com/osrg/gobgp/v3/pkg/log"
|
|
)
|
|
|
|
const (
|
|
tcpMD5SIG = 14 // TCP MD5 Signature (RFC2385)
|
|
ipv6MinHopCount = 73 // Generalized TTL Security Mechanism (RFC5082)
|
|
IP_MINTTL = 0x15 // pulled from https://golang.org/pkg/syscall/?GOOS=linux#IP_MINTTL
|
|
TCP_MAXSEG = 0x2 // pulled from https://pkg.go.dev/syscall?GOOS=linux#TCP_MAXSEG
|
|
)
|
|
|
|
func setTCPMD5SigSockopt(l *net.TCPListener, address string, key string) error {
|
|
return fmt.Errorf("setting md5 is not supported")
|
|
}
|
|
|
|
func setBindToDevSockopt(sc syscall.RawConn, device string) error {
|
|
return fmt.Errorf("binding connection to a device is not supported")
|
|
}
|
|
|
|
func setTCPTTLSockopt(conn *net.TCPConn, ttl int) error {
|
|
family := extractFamilyFromTCPConn(conn)
|
|
sc, err := conn.SyscallConn()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return setsockoptIpTtl(sc, family, ttl)
|
|
}
|
|
|
|
func setTCPMinTTLSockopt(conn *net.TCPConn, ttl int) error {
|
|
family := extractFamilyFromTCPConn(conn)
|
|
sc, err := conn.SyscallConn()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
level := syscall.IPPROTO_IP
|
|
name := IP_MINTTL
|
|
if family == syscall.AF_INET6 {
|
|
level = syscall.IPPROTO_IPV6
|
|
name = ipv6MinHopCount
|
|
}
|
|
return setsockOptInt(sc, level, name, ttl)
|
|
}
|
|
|
|
func setTCPMSSSockopt(conn *net.TCPConn, mss uint16) error {
|
|
// TCP_MAXSEG syscall option exists only from Windows 10
|
|
// https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-getsockopt
|
|
sc, err := conn.SyscallConn()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
level := syscall.IPPROTO_TCP
|
|
name := TCP_MAXSEG
|
|
return setsockOptInt(sc, level, name, int(mss))
|
|
}
|
|
|
|
func dialerControl(logger log.Logger, network, address string, c syscall.RawConn, ttl, ttlMin uint8, mss uint16, password string, bindInterface string) error {
|
|
if password != "" {
|
|
logger.Warn("setting md5 for active connection is not supported",
|
|
log.Fields{
|
|
"Topic": "Peer",
|
|
"Key": address})
|
|
}
|
|
if ttl != 0 {
|
|
logger.Warn("setting ttl for active connection is not supported",
|
|
log.Fields{
|
|
"Topic": "Peer",
|
|
"Key": address})
|
|
}
|
|
if ttlMin != 0 {
|
|
logger.Warn("setting min ttl for active connection is not supported",
|
|
log.Fields{
|
|
"Topic": "Peer",
|
|
"Key": address})
|
|
}
|
|
if mss != 0 {
|
|
logger.Warn("setting MSS for active connection is not supported",
|
|
log.Fields{
|
|
"Topic": "Peer",
|
|
"Key": address})
|
|
}
|
|
return nil
|
|
}
|