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//go:build !windows
// +build !windows
package fs
import (
"context"
"os"
"path/filepath"
"syscall"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/sys/unix"
)
func TestCopyDevicesAndFifo(t *testing.T) {
requiresRoot(t)
t1 := t.TempDir()
err := mknod(filepath.Join(t1, "char"), unix.S_IFCHR|0444, int(unix.Mkdev(1, 9)))
require.NoError(t, err)
err = mknod(filepath.Join(t1, "block"), unix.S_IFBLK|0441, int(unix.Mkdev(3, 2)))
require.NoError(t, err)
err = mknod(filepath.Join(t1, "socket"), unix.S_IFSOCK|0555, 0)
require.NoError(t, err)
err = unix.Mkfifo(filepath.Join(t1, "fifo"), 0555)
require.NoError(t, err)
t2 := t.TempDir()
err = Copy(context.TODO(), t1, ".", t2, ".")
require.NoError(t, err)
fi, err := os.Lstat(filepath.Join(t2, "char"))
require.NoError(t, err)
assert.Equal(t, os.ModeCharDevice, fi.Mode()&os.ModeCharDevice)
assert.Equal(t, os.FileMode(0444), fi.Mode()&0777)
fi, err = os.Lstat(filepath.Join(t2, "block"))
require.NoError(t, err)
assert.Equal(t, os.ModeDevice, fi.Mode()&os.ModeDevice)
assert.Equal(t, os.FileMode(0441), fi.Mode()&0777)
fi, err = os.Lstat(filepath.Join(t2, "fifo"))
require.NoError(t, err)
assert.Equal(t, os.ModeNamedPipe, fi.Mode()&os.ModeNamedPipe)
assert.Equal(t, os.FileMode(0555), fi.Mode()&0777)
fi, err = os.Lstat(filepath.Join(t2, "socket"))
require.NoError(t, err)
assert.NotEqual(t, os.ModeSocket, fi.Mode()&os.ModeSocket) // socket copied as stub
assert.Equal(t, os.FileMode(0555), fi.Mode()&0777)
}
func TestCopySetuid(t *testing.T) {
requiresRoot(t)
t1 := t.TempDir()
err := mknod(filepath.Join(t1, "char"), unix.S_IFCHR|0444, int(unix.Mkdev(1, 9)))
require.NoError(t, err)
t2 := t.TempDir()
err = Copy(context.TODO(), t1, ".", t2, ".")
require.NoError(t, err)
fi, err := os.Lstat(filepath.Join(t2, "char"))
require.NoError(t, err)
assert.Equal(t, os.FileMode(0444), fi.Mode().Perm())
assert.Equal(t, os.FileMode(0), fi.Mode()&os.ModeSetuid)
assert.Equal(t, os.FileMode(0), fi.Mode()&os.ModeSetgid)
assert.Equal(t, os.FileMode(0), fi.Mode()&os.ModeSticky)
t3 := t.TempDir()
p := 0444 | syscall.S_ISUID
err = Copy(context.TODO(), t1, ".", t3, ".", WithCopyInfo(CopyInfo{
Mode: &p,
}))
require.NoError(t, err)
fi, err = os.Lstat(filepath.Join(t3, "char"))
require.NoError(t, err)
assert.Equal(t, os.FileMode(0444), fi.Mode().Perm())
assert.Equal(t, os.ModeSetuid, fi.Mode()&os.ModeSetuid)
assert.Equal(t, os.FileMode(0), fi.Mode()&os.ModeSetgid)
assert.Equal(t, os.FileMode(0), fi.Mode()&os.ModeSticky)
}
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