mirror of
https://gitea.com/Lydanne/buildx.git
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vendor: update buildkit with typed errors support
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
233
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
233
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
@ -82,21 +82,18 @@ func IoctlRetInt(fd int, req uint) (int, error) {
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return int(ret), nil
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}
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// IoctlSetPointerInt performs an ioctl operation which sets an
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// integer value on fd, using the specified request number. The ioctl
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// argument is called with a pointer to the integer value, rather than
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// passing the integer value directly.
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func IoctlSetPointerInt(fd int, req uint, value int) error {
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v := int32(value)
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return ioctl(fd, req, uintptr(unsafe.Pointer(&v)))
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}
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func IoctlSetRTCTime(fd int, value *RTCTime) error {
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err := ioctl(fd, RTC_SET_TIME, uintptr(unsafe.Pointer(value)))
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runtime.KeepAlive(value)
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return err
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}
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func IoctlSetRTCWkAlrm(fd int, value *RTCWkAlrm) error {
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err := ioctl(fd, RTC_WKALM_SET, uintptr(unsafe.Pointer(value)))
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runtime.KeepAlive(value)
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return err
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}
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func IoctlGetUint32(fd int, req uint) (uint32, error) {
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var value uint32
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err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
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@ -109,6 +106,12 @@ func IoctlGetRTCTime(fd int) (*RTCTime, error) {
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return &value, err
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}
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func IoctlGetRTCWkAlrm(fd int) (*RTCWkAlrm, error) {
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var value RTCWkAlrm
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err := ioctl(fd, RTC_WKALM_RD, uintptr(unsafe.Pointer(&value)))
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return &value, err
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}
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//sys Linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error)
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func Link(oldpath string, newpath string) (err error) {
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@ -839,6 +842,69 @@ func (sa *SockaddrTIPC) sockaddr() (unsafe.Pointer, _Socklen, error) {
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return unsafe.Pointer(&sa.raw), SizeofSockaddrTIPC, nil
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}
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// SockaddrL2TPIP implements the Sockaddr interface for IPPROTO_L2TP/AF_INET sockets.
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type SockaddrL2TPIP struct {
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Addr [4]byte
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ConnId uint32
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raw RawSockaddrL2TPIP
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}
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func (sa *SockaddrL2TPIP) sockaddr() (unsafe.Pointer, _Socklen, error) {
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sa.raw.Family = AF_INET
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sa.raw.Conn_id = sa.ConnId
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for i := 0; i < len(sa.Addr); i++ {
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sa.raw.Addr[i] = sa.Addr[i]
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}
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return unsafe.Pointer(&sa.raw), SizeofSockaddrL2TPIP, nil
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}
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// SockaddrL2TPIP6 implements the Sockaddr interface for IPPROTO_L2TP/AF_INET6 sockets.
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type SockaddrL2TPIP6 struct {
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Addr [16]byte
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ZoneId uint32
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ConnId uint32
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raw RawSockaddrL2TPIP6
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}
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func (sa *SockaddrL2TPIP6) sockaddr() (unsafe.Pointer, _Socklen, error) {
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sa.raw.Family = AF_INET6
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sa.raw.Conn_id = sa.ConnId
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sa.raw.Scope_id = sa.ZoneId
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for i := 0; i < len(sa.Addr); i++ {
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sa.raw.Addr[i] = sa.Addr[i]
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}
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return unsafe.Pointer(&sa.raw), SizeofSockaddrL2TPIP6, nil
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}
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// SockaddrIUCV implements the Sockaddr interface for AF_IUCV sockets.
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type SockaddrIUCV struct {
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UserID string
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Name string
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raw RawSockaddrIUCV
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}
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func (sa *SockaddrIUCV) sockaddr() (unsafe.Pointer, _Socklen, error) {
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sa.raw.Family = AF_IUCV
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// These are EBCDIC encoded by the kernel, but we still need to pad them
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// with blanks. Initializing with blanks allows the caller to feed in either
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// a padded or an unpadded string.
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for i := 0; i < 8; i++ {
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sa.raw.Nodeid[i] = ' '
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sa.raw.User_id[i] = ' '
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sa.raw.Name[i] = ' '
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}
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if len(sa.UserID) > 8 || len(sa.Name) > 8 {
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return nil, 0, EINVAL
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}
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for i, b := range []byte(sa.UserID[:]) {
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sa.raw.User_id[i] = int8(b)
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}
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for i, b := range []byte(sa.Name[:]) {
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sa.raw.Name[i] = int8(b)
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}
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return unsafe.Pointer(&sa.raw), SizeofSockaddrIUCV, nil
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}
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func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
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switch rsa.Addr.Family {
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case AF_NETLINK:
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@ -889,25 +955,58 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
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return sa, nil
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case AF_INET:
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pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
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sa := new(SockaddrInet4)
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p := (*[2]byte)(unsafe.Pointer(&pp.Port))
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sa.Port = int(p[0])<<8 + int(p[1])
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for i := 0; i < len(sa.Addr); i++ {
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sa.Addr[i] = pp.Addr[i]
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proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
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if err != nil {
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return nil, err
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}
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switch proto {
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case IPPROTO_L2TP:
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pp := (*RawSockaddrL2TPIP)(unsafe.Pointer(rsa))
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sa := new(SockaddrL2TPIP)
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sa.ConnId = pp.Conn_id
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for i := 0; i < len(sa.Addr); i++ {
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sa.Addr[i] = pp.Addr[i]
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}
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return sa, nil
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default:
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pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
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sa := new(SockaddrInet4)
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p := (*[2]byte)(unsafe.Pointer(&pp.Port))
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sa.Port = int(p[0])<<8 + int(p[1])
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for i := 0; i < len(sa.Addr); i++ {
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sa.Addr[i] = pp.Addr[i]
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}
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return sa, nil
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}
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return sa, nil
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case AF_INET6:
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pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
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sa := new(SockaddrInet6)
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p := (*[2]byte)(unsafe.Pointer(&pp.Port))
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sa.Port = int(p[0])<<8 + int(p[1])
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sa.ZoneId = pp.Scope_id
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for i := 0; i < len(sa.Addr); i++ {
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sa.Addr[i] = pp.Addr[i]
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proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
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if err != nil {
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return nil, err
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}
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switch proto {
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case IPPROTO_L2TP:
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pp := (*RawSockaddrL2TPIP6)(unsafe.Pointer(rsa))
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sa := new(SockaddrL2TPIP6)
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sa.ConnId = pp.Conn_id
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sa.ZoneId = pp.Scope_id
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for i := 0; i < len(sa.Addr); i++ {
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sa.Addr[i] = pp.Addr[i]
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}
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return sa, nil
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default:
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pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
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sa := new(SockaddrInet6)
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p := (*[2]byte)(unsafe.Pointer(&pp.Port))
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sa.Port = int(p[0])<<8 + int(p[1])
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sa.ZoneId = pp.Scope_id
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for i := 0; i < len(sa.Addr); i++ {
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sa.Addr[i] = pp.Addr[i]
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}
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return sa, nil
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}
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return sa, nil
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case AF_VSOCK:
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pp := (*RawSockaddrVM)(unsafe.Pointer(rsa))
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@ -986,6 +1085,38 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
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}
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return sa, nil
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case AF_IUCV:
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pp := (*RawSockaddrIUCV)(unsafe.Pointer(rsa))
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var user [8]byte
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var name [8]byte
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for i := 0; i < 8; i++ {
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user[i] = byte(pp.User_id[i])
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name[i] = byte(pp.Name[i])
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}
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sa := &SockaddrIUCV{
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UserID: string(user[:]),
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Name: string(name[:]),
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}
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return sa, nil
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case AF_CAN:
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pp := (*RawSockaddrCAN)(unsafe.Pointer(rsa))
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sa := &SockaddrCAN{
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Ifindex: int(pp.Ifindex),
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}
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rx := (*[4]byte)(unsafe.Pointer(&sa.RxID))
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for i := 0; i < 4; i++ {
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rx[i] = pp.Addr[i]
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}
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tx := (*[4]byte)(unsafe.Pointer(&sa.TxID))
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for i := 0; i < 4; i++ {
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tx[i] = pp.Addr[i+4]
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}
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return sa, nil
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}
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return nil, EAFNOSUPPORT
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}
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@ -1566,6 +1697,15 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
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//sys CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
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//sys DeleteModule(name string, flags int) (err error)
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//sys Dup(oldfd int) (fd int, err error)
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func Dup2(oldfd, newfd int) error {
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// Android O and newer blocks dup2; riscv and arm64 don't implement dup2.
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if runtime.GOOS == "android" || runtime.GOARCH == "riscv64" || runtime.GOARCH == "arm64" {
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return Dup3(oldfd, newfd, 0)
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}
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return dup2(oldfd, newfd)
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}
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//sys Dup3(oldfd int, newfd int, flags int) (err error)
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//sysnb EpollCreate1(flag int) (fd int, err error)
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//sysnb EpollCtl(epfd int, op int, fd int, event *EpollEvent) (err error)
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@ -1690,6 +1830,9 @@ func Signalfd(fd int, sigmask *Sigset_t, flags int) (newfd int, err error) {
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//sys Syncfs(fd int) (err error)
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//sysnb Sysinfo(info *Sysinfo_t) (err error)
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//sys Tee(rfd int, wfd int, len int, flags int) (n int64, err error)
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//sysnb TimerfdCreate(clockid int, flags int) (fd int, err error)
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//sysnb TimerfdGettime(fd int, currValue *ItimerSpec) (err error)
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//sysnb TimerfdSettime(fd int, flags int, newValue *ItimerSpec, oldValue *ItimerSpec) (err error)
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//sysnb Tgkill(tgid int, tid int, sig syscall.Signal) (err error)
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//sysnb Times(tms *Tms) (ticks uintptr, err error)
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//sysnb Umask(mask int) (oldmask int)
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@ -1859,11 +2002,30 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
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return int(n), nil
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}
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func isGroupMember(gid int) bool {
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groups, err := Getgroups()
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if err != nil {
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return false
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}
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for _, g := range groups {
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if g == gid {
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return true
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}
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}
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return false
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}
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//sys faccessat(dirfd int, path string, mode uint32) (err error)
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//sys Faccessat2(dirfd int, path string, mode uint32, flags int) (err error)
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func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
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if flags & ^(AT_SYMLINK_NOFOLLOW|AT_EACCESS) != 0 {
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return EINVAL
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if flags == 0 {
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return faccessat(dirfd, path, mode)
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}
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if err := Faccessat2(dirfd, path, mode, flags); err != ENOSYS && err != EPERM {
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return err
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}
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// The Linux kernel faccessat system call does not take any flags.
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@ -1872,8 +2034,8 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
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// Because people naturally expect syscall.Faccessat to act
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// like C faccessat, we do the same.
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if flags == 0 {
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return faccessat(dirfd, path, mode)
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if flags & ^(AT_SYMLINK_NOFOLLOW|AT_EACCESS) != 0 {
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return EINVAL
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}
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var st Stat_t
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@ -1916,7 +2078,7 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
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gid = Getgid()
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}
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if uint32(gid) == st.Gid {
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if uint32(gid) == st.Gid || isGroupMember(gid) {
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fmode = (st.Mode >> 3) & 7
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} else {
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fmode = st.Mode & 7
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@ -2017,6 +2179,18 @@ func Klogset(typ int, arg int) (err error) {
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return nil
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}
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// RemoteIovec is Iovec with the pointer replaced with an integer.
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// It is used for ProcessVMReadv and ProcessVMWritev, where the pointer
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// refers to a location in a different process' address space, which
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// would confuse the Go garbage collector.
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type RemoteIovec struct {
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Base uintptr
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Len int
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}
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//sys ProcessVMReadv(pid int, localIov []Iovec, remoteIov []RemoteIovec, flags uint) (n int, err error) = SYS_PROCESS_VM_READV
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//sys ProcessVMWritev(pid int, localIov []Iovec, remoteIov []RemoteIovec, flags uint) (n int, err error) = SYS_PROCESS_VM_WRITEV
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/*
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* Unimplemented
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*/
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@ -2111,7 +2285,6 @@ func Klogset(typ int, arg int) (err error) {
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// TimerGetoverrun
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// TimerGettime
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// TimerSettime
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// Timerfd
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// Tkill (obsolete)
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// Tuxcall
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// Umount2
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