Added support for Haystack tracing
This commit is contained in:
Alex Antonov
Traefiker Bot
parent
681892148e
commit
9cf6827ccc
274 changed files with 38070 additions and 13436 deletions
301
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
301
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
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@ -16,13 +16,6 @@ import (
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"unsafe"
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)
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// SyscallNoError may be used instead of Syscall for syscalls that don't fail.
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func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
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// RawSyscallNoError may be used instead of RawSyscall for syscalls that don't
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// fail.
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func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
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/*
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* Wrapped
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*/
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@ -68,11 +61,11 @@ func IoctlSetInt(fd int, req uint, value int) error {
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return ioctl(fd, req, uintptr(value))
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}
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func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
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func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
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return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
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}
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func IoctlSetTermios(fd int, req uint, value *Termios) error {
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func ioctlSetTermios(fd int, req uint, value *Termios) error {
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return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
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}
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@ -155,8 +148,6 @@ func Unlink(path string) error {
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//sys Unlinkat(dirfd int, path string, flags int) (err error)
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//sys utimes(path string, times *[2]Timeval) (err error)
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func Utimes(path string, tv []Timeval) error {
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if tv == nil {
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err := utimensat(AT_FDCWD, path, nil, 0)
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@ -214,20 +205,14 @@ func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error {
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return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags)
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}
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//sys futimesat(dirfd int, path *byte, times *[2]Timeval) (err error)
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func Futimesat(dirfd int, path string, tv []Timeval) error {
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pathp, err := BytePtrFromString(path)
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if err != nil {
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return err
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}
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if tv == nil {
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return futimesat(dirfd, pathp, nil)
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return futimesat(dirfd, path, nil)
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}
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if len(tv) != 2 {
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return EINVAL
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}
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return futimesat(dirfd, pathp, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
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return futimesat(dirfd, path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
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}
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func Futimes(fd int, tv []Timeval) (err error) {
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@ -420,6 +405,7 @@ func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) {
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return unsafe.Pointer(&sa.raw), sl, nil
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}
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// SockaddrLinklayer implements the Sockaddr interface for AF_PACKET type sockets.
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type SockaddrLinklayer struct {
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Protocol uint16
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Ifindex int
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@ -446,6 +432,7 @@ func (sa *SockaddrLinklayer) sockaddr() (unsafe.Pointer, _Socklen, error) {
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return unsafe.Pointer(&sa.raw), SizeofSockaddrLinklayer, nil
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}
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// SockaddrNetlink implements the Sockaddr interface for AF_NETLINK type sockets.
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type SockaddrNetlink struct {
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Family uint16
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Pad uint16
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@ -462,6 +449,8 @@ func (sa *SockaddrNetlink) sockaddr() (unsafe.Pointer, _Socklen, error) {
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return unsafe.Pointer(&sa.raw), SizeofSockaddrNetlink, nil
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}
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// SockaddrHCI implements the Sockaddr interface for AF_BLUETOOTH type sockets
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// using the HCI protocol.
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type SockaddrHCI struct {
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Dev uint16
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Channel uint16
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@ -475,6 +464,72 @@ func (sa *SockaddrHCI) sockaddr() (unsafe.Pointer, _Socklen, error) {
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return unsafe.Pointer(&sa.raw), SizeofSockaddrHCI, nil
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}
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// SockaddrL2 implements the Sockaddr interface for AF_BLUETOOTH type sockets
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// using the L2CAP protocol.
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type SockaddrL2 struct {
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PSM uint16
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CID uint16
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Addr [6]uint8
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AddrType uint8
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raw RawSockaddrL2
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}
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func (sa *SockaddrL2) sockaddr() (unsafe.Pointer, _Socklen, error) {
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sa.raw.Family = AF_BLUETOOTH
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psm := (*[2]byte)(unsafe.Pointer(&sa.raw.Psm))
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psm[0] = byte(sa.PSM)
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psm[1] = byte(sa.PSM >> 8)
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for i := 0; i < len(sa.Addr); i++ {
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sa.raw.Bdaddr[i] = sa.Addr[len(sa.Addr)-1-i]
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}
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cid := (*[2]byte)(unsafe.Pointer(&sa.raw.Cid))
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cid[0] = byte(sa.CID)
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cid[1] = byte(sa.CID >> 8)
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sa.raw.Bdaddr_type = sa.AddrType
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return unsafe.Pointer(&sa.raw), SizeofSockaddrL2, nil
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}
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// SockaddrRFCOMM implements the Sockaddr interface for AF_BLUETOOTH type sockets
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// using the RFCOMM protocol.
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//
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// Server example:
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//
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// fd, _ := Socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM)
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// _ = unix.Bind(fd, &unix.SockaddrRFCOMM{
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// Channel: 1,
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// Addr: [6]uint8{0, 0, 0, 0, 0, 0}, // BDADDR_ANY or 00:00:00:00:00:00
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// })
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// _ = Listen(fd, 1)
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// nfd, sa, _ := Accept(fd)
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// fmt.Printf("conn addr=%v fd=%d", sa.(*unix.SockaddrRFCOMM).Addr, nfd)
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// Read(nfd, buf)
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//
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// Client example:
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//
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// fd, _ := Socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM)
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// _ = Connect(fd, &SockaddrRFCOMM{
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// Channel: 1,
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// Addr: [6]byte{0x11, 0x22, 0x33, 0xaa, 0xbb, 0xcc}, // CC:BB:AA:33:22:11
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// })
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// Write(fd, []byte(`hello`))
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type SockaddrRFCOMM struct {
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// Addr represents a bluetooth address, byte ordering is little-endian.
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Addr [6]uint8
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// Channel is a designated bluetooth channel, only 1-30 are available for use.
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// Since Linux 2.6.7 and further zero value is the first available channel.
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Channel uint8
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raw RawSockaddrRFCOMM
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}
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func (sa *SockaddrRFCOMM) sockaddr() (unsafe.Pointer, _Socklen, error) {
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sa.raw.Family = AF_BLUETOOTH
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sa.raw.Channel = sa.Channel
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sa.raw.Bdaddr = sa.Addr
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return unsafe.Pointer(&sa.raw), SizeofSockaddrRFCOMM, nil
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}
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// SockaddrCAN implements the Sockaddr interface for AF_CAN type sockets.
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// The RxID and TxID fields are used for transport protocol addressing in
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// (CAN_TP16, CAN_TP20, CAN_MCNET, and CAN_ISOTP), they can be left with
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@ -637,7 +692,7 @@ func (sa *SockaddrVM) sockaddr() (unsafe.Pointer, _Socklen, error) {
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return unsafe.Pointer(&sa.raw), SizeofSockaddrVM, nil
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}
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func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) {
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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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pp := (*RawSockaddrNetlink)(unsafe.Pointer(rsa))
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@ -714,6 +769,30 @@ func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) {
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Port: pp.Port,
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}
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return sa, nil
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case AF_BLUETOOTH:
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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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// only BTPROTO_L2CAP and BTPROTO_RFCOMM can accept connections
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switch proto {
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case BTPROTO_L2CAP:
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pp := (*RawSockaddrL2)(unsafe.Pointer(rsa))
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sa := &SockaddrL2{
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PSM: pp.Psm,
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CID: pp.Cid,
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Addr: pp.Bdaddr,
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AddrType: pp.Bdaddr_type,
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}
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return sa, nil
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case BTPROTO_RFCOMM:
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pp := (*RawSockaddrRFCOMM)(unsafe.Pointer(rsa))
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sa := &SockaddrRFCOMM{
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Channel: pp.Channel,
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Addr: pp.Bdaddr,
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}
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return sa, nil
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}
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}
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return nil, EAFNOSUPPORT
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}
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@ -725,7 +804,7 @@ func Accept(fd int) (nfd int, sa Sockaddr, err error) {
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if err != nil {
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return
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}
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sa, err = anyToSockaddr(&rsa)
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sa, err = anyToSockaddr(fd, &rsa)
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if err != nil {
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Close(nfd)
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nfd = 0
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@ -743,7 +822,7 @@ func Accept4(fd int, flags int) (nfd int, sa Sockaddr, err error) {
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if len > SizeofSockaddrAny {
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panic("RawSockaddrAny too small")
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}
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sa, err = anyToSockaddr(&rsa)
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sa, err = anyToSockaddr(fd, &rsa)
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if err != nil {
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Close(nfd)
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nfd = 0
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@ -757,20 +836,7 @@ func Getsockname(fd int) (sa Sockaddr, err error) {
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if err = getsockname(fd, &rsa, &len); err != nil {
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return
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}
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return anyToSockaddr(&rsa)
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}
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func GetsockoptInet4Addr(fd, level, opt int) (value [4]byte, err error) {
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vallen := _Socklen(4)
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err = getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen)
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return value, err
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}
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func GetsockoptIPMreq(fd, level, opt int) (*IPMreq, error) {
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var value IPMreq
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vallen := _Socklen(SizeofIPMreq)
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err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
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return &value, err
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return anyToSockaddr(fd, &rsa)
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}
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func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) {
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@ -780,27 +846,6 @@ func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) {
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return &value, err
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}
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func GetsockoptIPv6Mreq(fd, level, opt int) (*IPv6Mreq, error) {
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var value IPv6Mreq
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vallen := _Socklen(SizeofIPv6Mreq)
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err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
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return &value, err
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}
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func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) {
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var value IPv6MTUInfo
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vallen := _Socklen(SizeofIPv6MTUInfo)
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err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
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return &value, err
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}
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func GetsockoptICMPv6Filter(fd, level, opt int) (*ICMPv6Filter, error) {
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var value ICMPv6Filter
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vallen := _Socklen(SizeofICMPv6Filter)
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err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
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return &value, err
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}
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func GetsockoptUcred(fd, level, opt int) (*Ucred, error) {
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var value Ucred
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vallen := _Socklen(SizeofUcred)
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@ -956,15 +1001,17 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
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}
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var dummy byte
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if len(oob) > 0 {
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var sockType int
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sockType, err = GetsockoptInt(fd, SOL_SOCKET, SO_TYPE)
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if err != nil {
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return
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}
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// receive at least one normal byte
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if sockType != SOCK_DGRAM && len(p) == 0 {
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iov.Base = &dummy
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iov.SetLen(1)
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if len(p) == 0 {
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var sockType int
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sockType, err = GetsockoptInt(fd, SOL_SOCKET, SO_TYPE)
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if err != nil {
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return
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}
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// receive at least one normal byte
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if sockType != SOCK_DGRAM {
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iov.Base = &dummy
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iov.SetLen(1)
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}
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}
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msg.Control = &oob[0]
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msg.SetControllen(len(oob))
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@ -978,7 +1025,7 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
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recvflags = int(msg.Flags)
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// source address is only specified if the socket is unconnected
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if rsa.Addr.Family != AF_UNSPEC {
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from, err = anyToSockaddr(&rsa)
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from, err = anyToSockaddr(fd, &rsa)
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}
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return
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}
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@ -1008,15 +1055,17 @@ func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error)
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}
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var dummy byte
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if len(oob) > 0 {
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var sockType int
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sockType, err = GetsockoptInt(fd, SOL_SOCKET, SO_TYPE)
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if err != nil {
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return 0, err
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}
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// send at least one normal byte
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if sockType != SOCK_DGRAM && len(p) == 0 {
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iov.Base = &dummy
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iov.SetLen(1)
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if len(p) == 0 {
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var sockType int
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sockType, err = GetsockoptInt(fd, SOL_SOCKET, SO_TYPE)
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if err != nil {
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return 0, err
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}
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// send at least one normal byte
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if sockType != SOCK_DGRAM {
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iov.Base = &dummy
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iov.SetLen(1)
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}
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}
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msg.Control = &oob[0]
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msg.SetControllen(len(oob))
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@ -1197,22 +1246,6 @@ func ReadDirent(fd int, buf []byte) (n int, err error) {
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return Getdents(fd, buf)
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}
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func direntIno(buf []byte) (uint64, bool) {
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return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
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}
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func direntReclen(buf []byte) (uint64, bool) {
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return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
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}
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func direntNamlen(buf []byte) (uint64, bool) {
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reclen, ok := direntReclen(buf)
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if !ok {
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return 0, false
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}
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return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
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}
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//sys mount(source string, target string, fstype string, flags uintptr, data *byte) (err error)
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func Mount(source string, target string, fstype string, flags uintptr, data string) (err error) {
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@ -1245,19 +1278,21 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
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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 Dup(oldfd int) (fd int, err error)
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//sys Dup3(oldfd int, newfd int, flags int) (err error)
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//sysnb EpollCreate(size int) (fd 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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//sys Eventfd(initval uint, flags int) (fd int, err error) = SYS_EVENTFD2
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//sys Exit(code int) = SYS_EXIT_GROUP
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//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
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//sys Fallocate(fd int, mode uint32, off int64, len int64) (err error)
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//sys Fchdir(fd int) (err error)
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//sys Fchmod(fd int, mode uint32) (err error)
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//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
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//sys fcntl(fd int, cmd int, arg int) (val int, err error)
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//sys Fdatasync(fd int) (err error)
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//sys Fgetxattr(fd int, attr string, dest []byte) (sz int, err error)
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//sys Flistxattr(fd int, dest []byte) (sz int, err error)
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//sys Flock(fd int, how int) (err error)
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//sys Fremovexattr(fd int, attr string) (err error)
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//sys Fsetxattr(fd int, attr string, dest []byte, flags int) (err error)
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//sys Fsync(fd int) (err error)
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//sys Getdents(fd int, buf []byte) (n int, err error) = SYS_GETDENTS64
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//sysnb Getpgid(pid int) (pgid int, err error)
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@ -1288,6 +1323,7 @@ func Getpgrp() (pid int) {
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//sys Mkdirat(dirfd int, path string, mode uint32) (err error)
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//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
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//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
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//sys PerfEventOpen(attr *PerfEventAttr, pid int, cpu int, groupFd int, flags int) (fd int, err error)
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//sys PivotRoot(newroot string, putold string) (err error) = SYS_PIVOT_ROOT
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//sysnb prlimit(pid int, resource int, newlimit *Rlimit, old *Rlimit) (err error) = SYS_PRLIMIT64
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//sys Prctl(option int, arg2 uintptr, arg3 uintptr, arg4 uintptr, arg5 uintptr) (err error)
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@ -1295,6 +1331,7 @@ func Getpgrp() (pid int) {
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//sys read(fd int, p []byte) (n int, err error)
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//sys Removexattr(path string, attr string) (err error)
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//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
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//sys Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error)
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//sys RequestKey(keyType string, description string, callback string, destRingid int) (id int, err error)
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||||
//sys Setdomainname(p []byte) (err error)
|
||||
//sys Sethostname(p []byte) (err error)
|
||||
|
|
@ -1329,7 +1366,6 @@ func Setgid(uid int) (err error) {
|
|||
//sysnb Uname(buf *Utsname) (err error)
|
||||
//sys Unmount(target string, flags int) (err error) = SYS_UMOUNT2
|
||||
//sys Unshare(flags int) (err error)
|
||||
//sys Ustat(dev int, ubuf *Ustat_t) (err error)
|
||||
//sys write(fd int, p []byte) (n int, err error)
|
||||
//sys exitThread(code int) (err error) = SYS_EXIT
|
||||
//sys readlen(fd int, p *byte, np int) (n int, err error) = SYS_READ
|
||||
|
|
@ -1379,6 +1415,77 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
|
|||
return int(n), nil
|
||||
}
|
||||
|
||||
//sys faccessat(dirfd int, path string, mode uint32) (err error)
|
||||
|
||||
func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
|
||||
if flags & ^(AT_SYMLINK_NOFOLLOW|AT_EACCESS) != 0 {
|
||||
return EINVAL
|
||||
}
|
||||
|
||||
// The Linux kernel faccessat system call does not take any flags.
|
||||
// The glibc faccessat implements the flags itself; see
|
||||
// https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/faccessat.c;hb=HEAD
|
||||
// Because people naturally expect syscall.Faccessat to act
|
||||
// like C faccessat, we do the same.
|
||||
|
||||
if flags == 0 {
|
||||
return faccessat(dirfd, path, mode)
|
||||
}
|
||||
|
||||
var st Stat_t
|
||||
if err := Fstatat(dirfd, path, &st, flags&AT_SYMLINK_NOFOLLOW); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
mode &= 7
|
||||
if mode == 0 {
|
||||
return nil
|
||||
}
|
||||
|
||||
var uid int
|
||||
if flags&AT_EACCESS != 0 {
|
||||
uid = Geteuid()
|
||||
} else {
|
||||
uid = Getuid()
|
||||
}
|
||||
|
||||
if uid == 0 {
|
||||
if mode&1 == 0 {
|
||||
// Root can read and write any file.
|
||||
return nil
|
||||
}
|
||||
if st.Mode&0111 != 0 {
|
||||
// Root can execute any file that anybody can execute.
|
||||
return nil
|
||||
}
|
||||
return EACCES
|
||||
}
|
||||
|
||||
var fmode uint32
|
||||
if uint32(uid) == st.Uid {
|
||||
fmode = (st.Mode >> 6) & 7
|
||||
} else {
|
||||
var gid int
|
||||
if flags&AT_EACCESS != 0 {
|
||||
gid = Getegid()
|
||||
} else {
|
||||
gid = Getgid()
|
||||
}
|
||||
|
||||
if uint32(gid) == st.Gid {
|
||||
fmode = (st.Mode >> 3) & 7
|
||||
} else {
|
||||
fmode = st.Mode & 7
|
||||
}
|
||||
}
|
||||
|
||||
if fmode&mode == mode {
|
||||
return nil
|
||||
}
|
||||
|
||||
return EACCES
|
||||
}
|
||||
|
||||
/*
|
||||
* Unimplemented
|
||||
*/
|
||||
|
|
@ -1398,11 +1505,7 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
|
|||
// EpollPwait
|
||||
// EpollWaitOld
|
||||
// Execve
|
||||
// Fgetxattr
|
||||
// Flistxattr
|
||||
// Fork
|
||||
// Fremovexattr
|
||||
// Fsetxattr
|
||||
// Futex
|
||||
// GetKernelSyms
|
||||
// GetMempolicy
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue