controlled by the [`tarinsecurepath` setting](/pkg/archive/tar/#Reader.Next)
and the [`zipinsecurepath` setting](/pkg/archive/zip/#NewReader).
These default to `tarinsecurepath=1` and `zipinsecurepath=1`,
preserving the behavior of earlier versions of Go.
A future version of Go may change the defaults to
`tarinsecurepath=0` and `zipinsecurepath=0`.

Go 1.20 introduced automatic seeding of the

	}
	hdr, err := tr.next()
	tr.err = err
	if err == nil && !filepath.IsLocal(hdr.Name) {
		if tarinsecurepath.Value() == "0" {
			tarinsecurepath.IncNonDefault()
			err = ErrInsecurePath
		}
	}
	return hdr, err
}

func (tr *Reader) next() (*Header, error) {
	var paxHdrs map[string]string
	var gnuLongName, gnuLongLink string

	// Externally, Next iterates through the tar archive as if it is a series of

}

func TestDisableInsecurePathCheck(t *testing.T) {
	t.Setenv("GODEBUG", "tarinsecurepath=1")
	var buf bytes.Buffer
	tw := NewWriter(&buf)
	const name = "/foo"
	tw.WriteHeader(&Header{
		Name: name,
	})
	tw.Close()
	tr := NewReader(&buf)
	h, err := tr.Next()
	if err != nil {
		t.Fatalf("tr.Next with tarinsecurepath=1: got err %v, want nil", err)
	}
	if h.Name != name {

// stored in Header will be the truncated version.

var tarinsecurepath = godebug.New("tarinsecurepath")

var (
	ErrHeader          = errors.New("archive/tar: invalid tar header")
	ErrWriteTooLong    = errors.New("archive/tar: write too long")
	ErrFieldTooLong    = errors.New("archive/tar: header field too long")
	ErrWriteAfterClose = errors.New("archive/tar: write after close")
	ErrInsecurePath    = errors.New("archive/tar: insecure file path")

// and the GODEBUG environment variable contains `zipinsecurepath=0`,
// OpenReader returns the reader with an ErrInsecurePath error.
// A future version of Go may introduce this behavior by default.
// Programs that want to accept non-local names can ignore
// the ErrInsecurePath error and use the returned reader.
func OpenReader(name string) (*ReadCloser, error) {
	f, err := os.Open(name)
	if err != nil {

	if err != nil {
		t.Fatalf("Unable to write out the bugos zip entry")
	}
	r, err := OpenReader(name)
	if r != nil {
		defer r.Close()
	}

	if err != ErrInsecurePath {
		t.Fatalf("Error reading the archive, we expected ErrInsecurePath but got: %v", err)
	}
	_, err = r.Open("test.txt")
	if err != nil {
		t.Errorf("Error reading file: %v", err)
	}
	if len(r.File) != 1 {

	}
	if err := writer.Close(); err != nil {
		t.Fatal(err)
	}
	// Test that we can get a long name back out of the archive.
	reader := NewReader(&buf)
	hdr, err = reader.Next()
	if err != nil && err != ErrInsecurePath {
		t.Fatal(err)
	}
	if hdr.Name != longName {
		t.Fatal("Couldn't recover long name")
	}
}

func TestValidTypeflagWithPAXHeader(t *testing.T) {
	var buffer bytes.Buffer

pkg archive/tar, var ErrInsecurePath error #55356
pkg archive/zip, var ErrInsecurePath error #55356
pkg bytes, func Clone([]uint8) []uint8 #45038
pkg bytes, func CutPrefix([]uint8, []uint8) ([]uint8, bool) #42537
pkg bytes, func CutSuffix([]uint8, []uint8) ([]uint8, bool) #42537
pkg context, func Cause(Context) error #51365
pkg context, func WithCancelCause(Context) (Context, CancelCauseFunc) #51365
pkg context, type CancelCauseFunc func(error) #51365