)

//sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT
//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	Getuid() (uid int)
//sys	Listen(s int, n int) (err error)

)

//sys	Dup2(oldfd int, newfd int) (err error)
//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Fstat(fd int, stat *Stat_t) (err error)
//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
//sysnb	Getuid() (uid int)

-A ISTIO_OUTPUT -m owner --uid-owner 1337 -j RETURN
-A ISTIO_OUTPUT -o lo ! -d 127.0.0.1/32 -p tcp ! --dport 15008 -m owner --gid-owner 1337 -j ISTIO_IN_REDIRECT
-A ISTIO_OUTPUT -m owner --gid-owner 1337 -j RETURN
-A ISTIO_OUTPUT -d 127.0.0.1/32 -j RETURN
-A ISTIO_OUTPUT -d 10.0.0.0/8 -j RETURN
-A ISTIO_OUTPUT -d 127.0.0.0/8 -j ISTIO_REDIRECT

//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Fstat(fd int, stat *Stat_t) (err error)
//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	getrlimit(resource int, rlim *Rlimit) (err error)

//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Fstat(fd int, stat *Stat_t) (err error)
//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)

//go:build linux

package syscall_test

import (
	"bytes"
	"net"
	"os"
	"syscall"
	"testing"
)

// TestSCMCredentials tests the sending and receiving of credentials
// (PID, UID, GID) in an ancillary message between two UNIX
// sockets. The SO_PASSCRED socket option is enabled on the sending
// socket for this to work.
func TestSCMCredentials(t *testing.T) {
	socketTypeTests := []struct {
		socketType int

        reason: reasonValue
        signal: 2
        startedAt: "2005-01-01T01:01:01Z"
      waiting:
        message: messageValue
        reason: reasonValue
    user:
      linux:
        gid: 2
        supplementalGroups:
        - 3
        uid: 1
    volumeMounts:
    - mountPath: mountPathValue
      name: nameValue
      readOnly: true
      recursiveReadOnly: recursiveReadOnlyValue

	return err
}

func Chown(path string, uid, gid int) error {
	if err := checkPath(path); err != nil {
		return err
	}
	_, err := fsCall("chown", path, uint32(uid), uint32(gid))
	return err
}

func Fchown(fd int, uid, gid int) error {
	_, err := fsCall("fchown", fd, uint32(uid), uint32(gid))
	return err
}

func Lchown(path string, uid, gid int) error {
	if err := checkPath(path); err != nil {

func Stat(path string, stat *Stat_t) (err error) {
	return fstatat(_AT_FDCWD, path, stat, 0)
}

func Lchown(path string, uid int, gid int) (err error) {
	return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW)
}

func Lstat(path string, stat *Stat_t) (err error) {
	return fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW)
}

//sys	Statfs(path string, buf *Statfs_t) (err error)

limitations under the License.
*/

package util

import (
	"runtime"

	"k8s.io/klog/v2"
)

// chown changes the numeric uid and gid of the named file.
// This is a no-op on unsupported platforms.
func (w *AtomicWriter) chown(name string, uid, _ /* gid */ int) error {
	klog.Warningf("%s: skipping change of Linux owner %v for file %s; unsupported on %s", w.logContext, uid, name, runtime.GOOS)
	return nil