1// +build linux freebsd
2
3package graphtest // import "github.com/docker/docker/daemon/graphdriver/graphtest"
4
5import (
6	"os"
7	"syscall"
8	"testing"
9
10	contdriver "github.com/containerd/continuity/driver"
11	"github.com/docker/docker/daemon/graphdriver"
12	"golang.org/x/sys/unix"
13	"gotest.tools/assert"
14	is "gotest.tools/assert/cmp"
15)
16
17func verifyFile(t testing.TB, path string, mode os.FileMode, uid, gid uint32) {
18	fi, err := os.Stat(path)
19	assert.NilError(t, err)
20
21	actual := fi.Mode()
22	assert.Check(t, is.Equal(mode&os.ModeType, actual&os.ModeType), path)
23	assert.Check(t, is.Equal(mode&os.ModePerm, actual&os.ModePerm), path)
24	assert.Check(t, is.Equal(mode&os.ModeSticky, actual&os.ModeSticky), path)
25	assert.Check(t, is.Equal(mode&os.ModeSetuid, actual&os.ModeSetuid), path)
26	assert.Check(t, is.Equal(mode&os.ModeSetgid, actual&os.ModeSetgid), path)
27
28	if stat, ok := fi.Sys().(*syscall.Stat_t); ok {
29		assert.Check(t, is.Equal(uid, stat.Uid), path)
30		assert.Check(t, is.Equal(gid, stat.Gid), path)
31	}
32}
33
34func createBase(t testing.TB, driver graphdriver.Driver, name string) {
35	// We need to be able to set any perms
36	oldmask := unix.Umask(0)
37	defer unix.Umask(oldmask)
38
39	err := driver.CreateReadWrite(name, "", nil)
40	assert.NilError(t, err)
41
42	dirFS, err := driver.Get(name, "")
43	assert.NilError(t, err)
44	defer driver.Put(name)
45
46	subdir := dirFS.Join(dirFS.Path(), "a subdir")
47	assert.NilError(t, dirFS.Mkdir(subdir, 0705|os.ModeSticky))
48	assert.NilError(t, dirFS.Lchown(subdir, 1, 2))
49
50	file := dirFS.Join(dirFS.Path(), "a file")
51	err = contdriver.WriteFile(dirFS, file, []byte("Some data"), 0222|os.ModeSetuid)
52	assert.NilError(t, err)
53}
54
55func verifyBase(t testing.TB, driver graphdriver.Driver, name string) {
56	dirFS, err := driver.Get(name, "")
57	assert.NilError(t, err)
58	defer driver.Put(name)
59
60	subdir := dirFS.Join(dirFS.Path(), "a subdir")
61	verifyFile(t, subdir, 0705|os.ModeDir|os.ModeSticky, 1, 2)
62
63	file := dirFS.Join(dirFS.Path(), "a file")
64	verifyFile(t, file, 0222|os.ModeSetuid, 0, 0)
65
66	files, err := readDir(dirFS, dirFS.Path())
67	assert.NilError(t, err)
68	assert.Check(t, is.Len(files, 2))
69}
70