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//go:build linux || freebsd
// +build linux freebsd
package graphtest // import "github.com/docker/docker/daemon/graphdriver/graphtest"
import (
"os"
"path/filepath"
"syscall"
"testing"
contdriver "github.com/containerd/continuity/driver"
"github.com/docker/docker/daemon/graphdriver"
"golang.org/x/sys/unix"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func verifyFile(t testing.TB, path string, mode os.FileMode, uid, gid uint32) {
fi, err := os.Stat(path)
assert.NilError(t, err)
actual := fi.Mode()
assert.Check(t, is.Equal(mode&os.ModeType, actual&os.ModeType), path)
assert.Check(t, is.Equal(mode&os.ModePerm, actual&os.ModePerm), path)
assert.Check(t, is.Equal(mode&os.ModeSticky, actual&os.ModeSticky), path)
assert.Check(t, is.Equal(mode&os.ModeSetuid, actual&os.ModeSetuid), path)
assert.Check(t, is.Equal(mode&os.ModeSetgid, actual&os.ModeSetgid), path)
if stat, ok := fi.Sys().(*syscall.Stat_t); ok {
assert.Check(t, is.Equal(uid, stat.Uid), path)
assert.Check(t, is.Equal(gid, stat.Gid), path)
}
}
func createBase(t testing.TB, driver graphdriver.Driver, name string) {
// We need to be able to set any perms
oldmask := unix.Umask(0)
defer unix.Umask(oldmask)
err := driver.CreateReadWrite(name, "", nil)
assert.NilError(t, err)
dirFS, err := driver.Get(name, "")
assert.NilError(t, err)
defer driver.Put(name)
subdir := filepath.Join(dirFS, "a subdir")
assert.NilError(t, os.Mkdir(subdir, 0705|os.ModeSticky))
assert.NilError(t, contdriver.LocalDriver.Lchown(subdir, 1, 2))
file := filepath.Join(dirFS, "a file")
err = os.WriteFile(file, []byte("Some data"), 0222|os.ModeSetuid)
assert.NilError(t, err)
}
func verifyBase(t testing.TB, driver graphdriver.Driver, name string) {
dirFS, err := driver.Get(name, "")
assert.NilError(t, err)
defer driver.Put(name)
subdir := filepath.Join(dirFS, "a subdir")
verifyFile(t, subdir, 0705|os.ModeDir|os.ModeSticky, 1, 2)
file := filepath.Join(dirFS, "a file")
verifyFile(t, file, 0222|os.ModeSetuid, 0, 0)
files, err := readDir(dirFS)
assert.NilError(t, err)
assert.Check(t, is.Len(files, 2))
}
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