--- a/vendor/golang.org/x/sys/unix/syscall_darwin.go Mon Jun 07 20:58:18 2021 +0200
+++ b/vendor/golang.org/x/sys/unix/syscall_darwin.go Sun Jul 11 10:35:56 2021 +0200
@@ -13,29 +13,12 @@
package unix
import (
- "errors"
+ "fmt"
+ "runtime"
"syscall"
"unsafe"
)
-const ImplementsGetwd = true
-
-func Getwd() (string, error) {
- buf := make([]byte, 2048)
- attrs, err := getAttrList(".", attrList{CommonAttr: attrCmnFullpath}, buf, 0)
- if err == nil && len(attrs) == 1 && len(attrs[0]) >= 2 {
- wd := string(attrs[0])
- // Sanity check that it's an absolute path and ends
- // in a null byte, which we then strip.
- if wd[0] == '/' && wd[len(wd)-1] == 0 {
- return wd[:len(wd)-1], nil
- }
- }
- // If pkg/os/getwd.go gets ENOTSUP, it will fall back to the
- // slow algorithm.
- return "", ENOTSUP
-}
-
// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
type SockaddrDatalink struct {
Len uint8
@@ -49,6 +32,41 @@
raw RawSockaddrDatalink
}
+// SockaddrCtl implements the Sockaddr interface for AF_SYSTEM type sockets.
+type SockaddrCtl struct {
+ ID uint32
+ Unit uint32
+ raw RawSockaddrCtl
+}
+
+func (sa *SockaddrCtl) sockaddr() (unsafe.Pointer, _Socklen, error) {
+ sa.raw.Sc_len = SizeofSockaddrCtl
+ sa.raw.Sc_family = AF_SYSTEM
+ sa.raw.Ss_sysaddr = AF_SYS_CONTROL
+ sa.raw.Sc_id = sa.ID
+ sa.raw.Sc_unit = sa.Unit
+ return unsafe.Pointer(&sa.raw), SizeofSockaddrCtl, nil
+}
+
+func anyToSockaddrGOOS(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
+ switch rsa.Addr.Family {
+ case AF_SYSTEM:
+ pp := (*RawSockaddrCtl)(unsafe.Pointer(rsa))
+ if pp.Ss_sysaddr == AF_SYS_CONTROL {
+ sa := new(SockaddrCtl)
+ sa.ID = pp.Sc_id
+ sa.Unit = pp.Sc_unit
+ return sa, nil
+ }
+ }
+ return nil, EAFNOSUPPORT
+}
+
+// Some external packages rely on SYS___SYSCTL being defined to implement their
+// own sysctl wrappers. Provide it here, even though direct syscalls are no
+// longer supported on darwin.
+const SYS___SYSCTL = SYS_SYSCTL
+
// Translate "kern.hostname" to []_C_int{0,1,2,3}.
func nametomib(name string) (mib []_C_int, err error) {
const siz = unsafe.Sizeof(mib[0])
@@ -92,11 +110,6 @@
func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) }
func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) }
-const (
- attrBitMapCount = 5
- attrCmnFullpath = 0x08000000
-)
-
type attrList struct {
bitmapCount uint16
_ uint16
@@ -107,61 +120,16 @@
Forkattr uint32
}
-func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (attrs [][]byte, err error) {
- if len(attrBuf) < 4 {
- return nil, errors.New("attrBuf too small")
- }
- attrList.bitmapCount = attrBitMapCount
-
- var _p0 *byte
- _p0, err = BytePtrFromString(path)
- if err != nil {
- return nil, err
- }
-
- if err := getattrlist(_p0, unsafe.Pointer(&attrList), unsafe.Pointer(&attrBuf[0]), uintptr(len(attrBuf)), int(options)); err != nil {
- return nil, err
- }
- size := *(*uint32)(unsafe.Pointer(&attrBuf[0]))
-
- // dat is the section of attrBuf that contains valid data,
- // without the 4 byte length header. All attribute offsets
- // are relative to dat.
- dat := attrBuf
- if int(size) < len(attrBuf) {
- dat = dat[:size]
- }
- dat = dat[4:] // remove length prefix
-
- for i := uint32(0); int(i) < len(dat); {
- header := dat[i:]
- if len(header) < 8 {
- return attrs, errors.New("truncated attribute header")
- }
- datOff := *(*int32)(unsafe.Pointer(&header[0]))
- attrLen := *(*uint32)(unsafe.Pointer(&header[4]))
- if datOff < 0 || uint32(datOff)+attrLen > uint32(len(dat)) {
- return attrs, errors.New("truncated results; attrBuf too small")
- }
- end := uint32(datOff) + attrLen
- attrs = append(attrs, dat[datOff:end])
- i = end
- if r := i % 4; r != 0 {
- i += (4 - r)
- }
- }
- return
-}
-
-//sys getattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error)
-
-//sysnb pipe() (r int, w int, err error)
+//sysnb pipe(p *[2]int32) (err error)
func Pipe(p []int) (err error) {
if len(p) != 2 {
return EINVAL
}
- p[0], p[1], err = pipe()
+ var x [2]int32
+ err = pipe(&x)
+ p[0] = int(x[0])
+ p[1] = int(x[1])
return
}
@@ -305,7 +273,7 @@
options)
}
-//sys setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error)
+//sys setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error)
func utimensat(dirfd int, path string, times *[2]Timespec, flags int) error {
// Darwin doesn't support SYS_UTIMENSAT
@@ -324,7 +292,36 @@
//sys ioctl(fd int, req uint, arg uintptr) (err error)
-//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS_SYSCTL
+func IoctlCtlInfo(fd int, ctlInfo *CtlInfo) error {
+ err := ioctl(fd, CTLIOCGINFO, uintptr(unsafe.Pointer(ctlInfo)))
+ runtime.KeepAlive(ctlInfo)
+ return err
+}
+
+// IfreqMTU is struct ifreq used to get or set a network device's MTU.
+type IfreqMTU struct {
+ Name [IFNAMSIZ]byte
+ MTU int32
+}
+
+// IoctlGetIfreqMTU performs the SIOCGIFMTU ioctl operation on fd to get the MTU
+// of the network device specified by ifname.
+func IoctlGetIfreqMTU(fd int, ifname string) (*IfreqMTU, error) {
+ var ifreq IfreqMTU
+ copy(ifreq.Name[:], ifname)
+ err := ioctl(fd, SIOCGIFMTU, uintptr(unsafe.Pointer(&ifreq)))
+ return &ifreq, err
+}
+
+// IoctlSetIfreqMTU performs the SIOCSIFMTU ioctl operation on fd to set the MTU
+// of the network device specified by ifreq.Name.
+func IoctlSetIfreqMTU(fd int, ifreq *IfreqMTU) error {
+ err := ioctl(fd, SIOCSIFMTU, uintptr(unsafe.Pointer(ifreq)))
+ runtime.KeepAlive(ifreq)
+ return err
+}
+
+//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS_SYSCTL
func Uname(uname *Utsname) error {
mib := []_C_int{CTL_KERN, KERN_OSTYPE}
@@ -382,6 +379,58 @@
return
}
+func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) {
+ var value IPMreqn
+ vallen := _Socklen(SizeofIPMreqn)
+ errno := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
+ return &value, errno
+}
+
+func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) {
+ return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
+}
+
+// GetsockoptXucred is a getsockopt wrapper that returns an Xucred struct.
+// The usual level and opt are SOL_LOCAL and LOCAL_PEERCRED, respectively.
+func GetsockoptXucred(fd, level, opt int) (*Xucred, error) {
+ x := new(Xucred)
+ vallen := _Socklen(SizeofXucred)
+ err := getsockopt(fd, level, opt, unsafe.Pointer(x), &vallen)
+ return x, err
+}
+
+func SysctlKinfoProcSlice(name string) ([]KinfoProc, error) {
+ mib, err := sysctlmib(name)
+ if err != nil {
+ return nil, err
+ }
+
+ // Find size.
+ n := uintptr(0)
+ if err := sysctl(mib, nil, &n, nil, 0); err != nil {
+ return nil, err
+ }
+ if n == 0 {
+ return nil, nil
+ }
+ if n%SizeofKinfoProc != 0 {
+ return nil, fmt.Errorf("sysctl() returned a size of %d, which is not a multiple of %d", n, SizeofKinfoProc)
+ }
+
+ // Read into buffer of that size.
+ buf := make([]KinfoProc, n/SizeofKinfoProc)
+ if err := sysctl(mib, (*byte)(unsafe.Pointer(&buf[0])), &n, nil, 0); err != nil {
+ return nil, err
+ }
+ if n%SizeofKinfoProc != 0 {
+ return nil, fmt.Errorf("sysctl() returned a size of %d, which is not a multiple of %d", n, SizeofKinfoProc)
+ }
+
+ // The actual call may return less than the original reported required
+ // size so ensure we deal with that.
+ return buf[:n/SizeofKinfoProc], nil
+}
+
//sys sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error)
/*
@@ -396,6 +445,8 @@
//sys Chroot(path string) (err error)
//sys ClockGettime(clockid int32, time *Timespec) (err error)
//sys Close(fd int) (err error)
+//sys Clonefile(src string, dst string, flags int) (err error)
+//sys Clonefileat(srcDirfd int, src string, dstDirfd int, dst string, flags int) (err error)
//sys Dup(fd int) (nfd int, err error)
//sys Dup2(from int, to int) (err error)
//sys Exchangedata(path1 string, path2 string, options int) (err error)
@@ -407,10 +458,12 @@
//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
//sys Fchown(fd int, uid int, gid int) (err error)
//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
+//sys Fclonefileat(srcDirfd int, dstDirfd int, dst string, flags int) (err error)
//sys Flock(fd int, how int) (err error)
//sys Fpathconf(fd int, name int) (val int, err error)
//sys Fsync(fd int) (err error)
//sys Ftruncate(fd int, length int64) (err error)
+//sys Getcwd(buf []byte) (n int, err error)
//sys Getdtablesize() (size int)
//sysnb Getegid() (egid int)
//sysnb Geteuid() (uid int)
@@ -423,6 +476,7 @@
//sysnb Getrlimit(which int, lim *Rlimit) (err error)
//sysnb Getrusage(who int, rusage *Rusage) (err error)
//sysnb Getsid(pid int) (sid int, err error)
+//sysnb Gettimeofday(tp *Timeval) (err error)
//sysnb Getuid() (uid int)
//sysnb Issetugid() (tainted bool)
//sys Kqueue() (fd int, err error)
@@ -471,8 +525,8 @@
//sys Unlinkat(dirfd int, path string, flags int) (err error)
//sys Unmount(path string, flags int) (err error)
//sys write(fd int, p []byte) (n int, err error)
-//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
-//sys munmap(addr uintptr, length uintptr) (err error)
+//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
+//sys munmap(addr uintptr, length uintptr) (err error)
//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE