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Use golang.org/x/sys/execabs

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Signed-off-by: Tibor Vass <tibor@docker.com>
This commit is contained in:
Tibor Vass
2021-01-27 21:09:42 +00:00
parent a56a4c00dd
commit 92f6f9f973
185 changed files with 5376 additions and 1591 deletions
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87
vendor/golang.org/x/sys/unix/syscall_linux.go generated vendored
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@ -641,6 +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
@ -952,6 +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:
@ -1002,7 +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
}
@ -1028,7 +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
}
@ -1063,7 +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
}
@ -1150,20 +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
}