cloudflared/vendor/golang.org/x/net/ipv4/sys_ssmreq.go
Sudarsan Reddy 414cb12f02 TUN-4961: Update quic-go to latest
- Updates fips-go to be the latest on cfsetup.yaml
- Updates sumtype's x/tools to be latest to avoid Internal: nil pkg
  errors with fips.
2021-08-27 12:26:00 +01:00

54 lines
1.3 KiB
Go

// Copyright 2014 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.
//go:build darwin || freebsd || linux || solaris
// +build darwin freebsd linux solaris
package ipv4
import (
"net"
"unsafe"
"golang.org/x/net/internal/socket"
)
func (so *sockOpt) setGroupReq(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
var gr groupReq
if ifi != nil {
gr.Interface = uint32(ifi.Index)
}
gr.setGroup(grp)
var b []byte
if compatFreeBSD32 {
var d [sizeofGroupReq + 4]byte
s := (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr))
copy(d[:4], s[:4])
copy(d[8:], s[4:])
b = d[:]
} else {
b = (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr))[:sizeofGroupReq]
}
return so.Set(c, b)
}
func (so *sockOpt) setGroupSourceReq(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error {
var gsr groupSourceReq
if ifi != nil {
gsr.Interface = uint32(ifi.Index)
}
gsr.setSourceGroup(grp, src)
var b []byte
if compatFreeBSD32 {
var d [sizeofGroupSourceReq + 4]byte
s := (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))
copy(d[:4], s[:4])
copy(d[8:], s[4:])
b = d[:]
} else {
b = (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))[:sizeofGroupSourceReq]
}
return so.Set(c, b)
}