githaven/vendor/golang.org/x/net/ipv4/control_bsd.go
techknowlogick d2ea21d0d8
Use caddy's certmagic library for extensible/robust ACME handling (#14177)
* use certmagic for more extensible/robust ACME cert handling

* accept TOS based on config option

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lauris BH <lauris@nix.lv>
2021-01-25 01:37:35 +02:00

42 lines
1.1 KiB
Go
Vendored

// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build aix darwin dragonfly freebsd netbsd openbsd
package ipv4
import (
"net"
"syscall"
"unsafe"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/socket"
)
func marshalDst(b []byte, cm *ControlMessage) []byte {
m := socket.ControlMessage(b)
m.MarshalHeader(iana.ProtocolIP, sysIP_RECVDSTADDR, net.IPv4len)
return m.Next(net.IPv4len)
}
func parseDst(cm *ControlMessage, b []byte) {
if len(cm.Dst) < net.IPv4len {
cm.Dst = make(net.IP, net.IPv4len)
}
copy(cm.Dst, b[:net.IPv4len])
}
func marshalInterface(b []byte, cm *ControlMessage) []byte {
m := socket.ControlMessage(b)
m.MarshalHeader(iana.ProtocolIP, sysIP_RECVIF, syscall.SizeofSockaddrDatalink)
return m.Next(syscall.SizeofSockaddrDatalink)
}
func parseInterface(cm *ControlMessage, b []byte) {
var sadl syscall.SockaddrDatalink
copy((*[unsafe.Sizeof(sadl)]byte)(unsafe.Pointer(&sadl))[:], b)
cm.IfIndex = int(sadl.Index)
}