83 lines
1.7 KiB
Go
83 lines
1.7 KiB
Go
// socket_bsd.go -- Socket handling specific to *BSD based systems.
|
|
|
|
// Copyright 2010 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.
|
|
|
|
package syscall
|
|
|
|
const SizeofSockaddrInet4 = 16
|
|
const SizeofSockaddrInet6 = 28
|
|
const SizeofSockaddrUnix = 110
|
|
|
|
type RawSockaddrInet4 struct {
|
|
Len uint8
|
|
Family uint8
|
|
Port uint16
|
|
Addr [4]byte /* in_addr */
|
|
Zero [8]uint8
|
|
}
|
|
|
|
func (sa *RawSockaddrInet4) setLen() Socklen_t {
|
|
sa.Len = SizeofSockaddrInet4
|
|
return SizeofSockaddrInet4
|
|
}
|
|
|
|
type RawSockaddrInet6 struct {
|
|
Len uint8
|
|
Family uint8
|
|
Port uint16
|
|
Flowinfo uint32
|
|
Addr [16]byte /* in6_addr */
|
|
Scope_id uint32
|
|
}
|
|
|
|
func (sa *RawSockaddrInet6) setLen() Socklen_t {
|
|
sa.Len = SizeofSockaddrInet6
|
|
return SizeofSockaddrInet6
|
|
}
|
|
|
|
type RawSockaddrUnix struct {
|
|
Len uint8
|
|
Family uint8
|
|
Path [108]int8
|
|
}
|
|
|
|
func (sa *RawSockaddrUnix) setLen(n int) {
|
|
sa.Len = uint8(3 + n) // 2 for Family, Len; 1 for NUL.
|
|
}
|
|
|
|
func (sa *RawSockaddrUnix) getLen() (int, error) {
|
|
if sa.Len < 3 || sa.Len > SizeofSockaddrUnix {
|
|
return 0, EINVAL
|
|
}
|
|
n := int(sa.Len) - 3 // subtract leading Family, Len, terminating NUL.
|
|
for i := 0; i < n; i++ {
|
|
if sa.Path[i] == 0 {
|
|
// found early NUL; assume Len is overestimating.
|
|
n = i
|
|
break
|
|
}
|
|
}
|
|
return n, nil
|
|
}
|
|
|
|
func (sa *RawSockaddrUnix) adjustAbstract(sl Socklen_t) Socklen_t {
|
|
return sl
|
|
}
|
|
|
|
type RawSockaddr struct {
|
|
Len uint8
|
|
Family uint8
|
|
Data [14]int8
|
|
}
|
|
|
|
// BindToDevice binds the socket associated with fd to device.
|
|
func BindToDevice(fd int, device string) (err error) {
|
|
return ENOSYS
|
|
}
|
|
|
|
func anyToSockaddrOS(rsa *RawSockaddrAny) (Sockaddr, error) {
|
|
return nil, EAFNOSUPPORT
|
|
}
|