115
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
115
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
@ -106,15 +106,24 @@ func IoctlGetRTCTime(fd int) (*RTCTime, error) {
|
||||
return &value, err
|
||||
}
|
||||
|
||||
// IoctlGetWatchdogInfo fetches information about a watchdog device from the
|
||||
// Linux watchdog API. For more information, see:
|
||||
// https://www.kernel.org/doc/html/latest/watchdog/watchdog-api.html.
|
||||
func IoctlGetWatchdogInfo(fd int) (*WatchdogInfo, error) {
|
||||
var value WatchdogInfo
|
||||
err := ioctl(fd, WDIOC_GETSUPPORT, uintptr(unsafe.Pointer(&value)))
|
||||
return &value, err
|
||||
}
|
||||
|
||||
func IoctlGetRTCWkAlrm(fd int) (*RTCWkAlrm, error) {
|
||||
var value RTCWkAlrm
|
||||
err := ioctl(fd, RTC_WKALM_RD, uintptr(unsafe.Pointer(&value)))
|
||||
return &value, err
|
||||
}
|
||||
|
||||
// IoctlFileClone performs an FICLONERANGE ioctl operation to clone the range of
|
||||
// data conveyed in value to the file associated with the file descriptor
|
||||
// destFd. See the ioctl_ficlonerange(2) man page for details.
|
||||
// IoctlFileCloneRange performs an FICLONERANGE ioctl operation to clone the
|
||||
// range of data conveyed in value to the file associated with the file
|
||||
// descriptor destFd. See the ioctl_ficlonerange(2) man page for details.
|
||||
func IoctlFileCloneRange(destFd int, value *FileCloneRange) error {
|
||||
err := ioctl(destFd, FICLONERANGE, uintptr(unsafe.Pointer(value)))
|
||||
runtime.KeepAlive(value)
|
||||
@ -128,15 +137,22 @@ func IoctlFileClone(destFd, srcFd int) error {
|
||||
return ioctl(destFd, FICLONE, uintptr(srcFd))
|
||||
}
|
||||
|
||||
// IoctlFileClone performs an FIDEDUPERANGE ioctl operation to share the range of
|
||||
// data conveyed in value with the file associated with the file descriptor
|
||||
// destFd. See the ioctl_fideduperange(2) man page for details.
|
||||
// IoctlFileDedupeRange performs an FIDEDUPERANGE ioctl operation to share the
|
||||
// range of data conveyed in value with the file associated with the file
|
||||
// descriptor destFd. See the ioctl_fideduperange(2) man page for details.
|
||||
func IoctlFileDedupeRange(destFd int, value *FileDedupeRange) error {
|
||||
err := ioctl(destFd, FIDEDUPERANGE, uintptr(unsafe.Pointer(value)))
|
||||
runtime.KeepAlive(value)
|
||||
return err
|
||||
}
|
||||
|
||||
// IoctlWatchdogKeepalive issues a keepalive ioctl to a watchdog device. For
|
||||
// more information, see:
|
||||
// https://www.kernel.org/doc/html/latest/watchdog/watchdog-api.html.
|
||||
func IoctlWatchdogKeepalive(fd int) error {
|
||||
return ioctl(fd, WDIOC_KEEPALIVE, 0)
|
||||
}
|
||||
|
||||
//sys Linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error)
|
||||
|
||||
func Link(oldpath string, newpath string) (err error) {
|
||||
@ -625,6 +641,36 @@ func (sa *SockaddrCAN) sockaddr() (unsafe.Pointer, _Socklen, error) {
|
||||
return unsafe.Pointer(&sa.raw), SizeofSockaddrCAN, nil
|
||||
}
|
||||
|
||||
// SockaddrCANJ1939 implements the Sockaddr interface for AF_CAN using J1939
|
||||
// protocol (https://en.wikipedia.org/wiki/SAE_J1939). For more information
|
||||
// on the purposes of the fields, check the official linux kernel documentation
|
||||
// available here: https://www.kernel.org/doc/Documentation/networking/j1939.rst
|
||||
type SockaddrCANJ1939 struct {
|
||||
Ifindex int
|
||||
Name uint64
|
||||
PGN uint32
|
||||
Addr uint8
|
||||
raw RawSockaddrCAN
|
||||
}
|
||||
|
||||
func (sa *SockaddrCANJ1939) sockaddr() (unsafe.Pointer, _Socklen, error) {
|
||||
if sa.Ifindex < 0 || sa.Ifindex > 0x7fffffff {
|
||||
return nil, 0, EINVAL
|
||||
}
|
||||
sa.raw.Family = AF_CAN
|
||||
sa.raw.Ifindex = int32(sa.Ifindex)
|
||||
n := (*[8]byte)(unsafe.Pointer(&sa.Name))
|
||||
for i := 0; i < 8; i++ {
|
||||
sa.raw.Addr[i] = n[i]
|
||||
}
|
||||
p := (*[4]byte)(unsafe.Pointer(&sa.PGN))
|
||||
for i := 0; i < 4; i++ {
|
||||
sa.raw.Addr[i+8] = p[i]
|
||||
}
|
||||
sa.raw.Addr[12] = sa.Addr
|
||||
return unsafe.Pointer(&sa.raw), SizeofSockaddrCAN, nil
|
||||
}
|
||||
|
||||
// SockaddrALG implements the Sockaddr interface for AF_ALG type sockets.
|
||||
// SockaddrALG enables userspace access to the Linux kernel's cryptography
|
||||
// subsystem. The Type and Name fields specify which type of hash or cipher
|
||||
@ -936,6 +982,10 @@ func (sa *SockaddrIUCV) sockaddr() (unsafe.Pointer, _Socklen, error) {
|
||||
return unsafe.Pointer(&sa.raw), SizeofSockaddrIUCV, nil
|
||||
}
|
||||
|
||||
var socketProtocol = func(fd int) (int, error) {
|
||||
return GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
|
||||
}
|
||||
|
||||
func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
|
||||
switch rsa.Addr.Family {
|
||||
case AF_NETLINK:
|
||||
@ -986,7 +1036,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
|
||||
return sa, nil
|
||||
|
||||
case AF_INET:
|
||||
proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
|
||||
proto, err := socketProtocol(fd)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
@ -1012,7 +1062,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
|
||||
}
|
||||
|
||||
case AF_INET6:
|
||||
proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
|
||||
proto, err := socketProtocol(fd)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
@ -1047,7 +1097,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
|
||||
}
|
||||
return sa, nil
|
||||
case AF_BLUETOOTH:
|
||||
proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
|
||||
proto, err := socketProtocol(fd)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
@ -1134,20 +1184,43 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
|
||||
return sa, nil
|
||||
|
||||
case AF_CAN:
|
||||
pp := (*RawSockaddrCAN)(unsafe.Pointer(rsa))
|
||||
sa := &SockaddrCAN{
|
||||
Ifindex: int(pp.Ifindex),
|
||||
proto, err := socketProtocol(fd)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
rx := (*[4]byte)(unsafe.Pointer(&sa.RxID))
|
||||
for i := 0; i < 4; i++ {
|
||||
rx[i] = pp.Addr[i]
|
||||
}
|
||||
tx := (*[4]byte)(unsafe.Pointer(&sa.TxID))
|
||||
for i := 0; i < 4; i++ {
|
||||
tx[i] = pp.Addr[i+4]
|
||||
}
|
||||
return sa, nil
|
||||
|
||||
pp := (*RawSockaddrCAN)(unsafe.Pointer(rsa))
|
||||
|
||||
switch proto {
|
||||
case CAN_J1939:
|
||||
sa := &SockaddrCANJ1939{
|
||||
Ifindex: int(pp.Ifindex),
|
||||
}
|
||||
name := (*[8]byte)(unsafe.Pointer(&sa.Name))
|
||||
for i := 0; i < 8; i++ {
|
||||
name[i] = pp.Addr[i]
|
||||
}
|
||||
pgn := (*[4]byte)(unsafe.Pointer(&sa.PGN))
|
||||
for i := 0; i < 4; i++ {
|
||||
pgn[i] = pp.Addr[i+8]
|
||||
}
|
||||
addr := (*[1]byte)(unsafe.Pointer(&sa.Addr))
|
||||
addr[0] = pp.Addr[12]
|
||||
return sa, nil
|
||||
default:
|
||||
sa := &SockaddrCAN{
|
||||
Ifindex: int(pp.Ifindex),
|
||||
}
|
||||
rx := (*[4]byte)(unsafe.Pointer(&sa.RxID))
|
||||
for i := 0; i < 4; i++ {
|
||||
rx[i] = pp.Addr[i]
|
||||
}
|
||||
tx := (*[4]byte)(unsafe.Pointer(&sa.TxID))
|
||||
for i := 0; i < 4; i++ {
|
||||
tx[i] = pp.Addr[i+4]
|
||||
}
|
||||
return sa, nil
|
||||
}
|
||||
}
|
||||
return nil, EAFNOSUPPORT
|
||||
}
|
||||
|
Reference in New Issue
Block a user