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package zerodiriv
// integration tests that target zerodiriv specifically
import (
"bytes"
"path/filepath"
"io/ioutil"
"os"
"testing"
"github.com/rfjakob/gocryptfs/tests/test_helpers"
)
var cDir string
var pDir string
var testPw = []byte("test")
// Create and mount "-zerodiriv" fs
func TestMain(m *testing.M) {
cDir = test_helpers.InitFS(nil, "-zerodiriv")
pDir = cDir + ".mnt"
test_helpers.MountOrExit(cDir, pDir, "-zerodiriv", "-extpass", "echo test")
r := m.Run()
test_helpers.UnmountPanic(pDir)
os.Exit(r)
}
// diriv should be all-zero on newly created dirs
func TestZeroDirIV(t *testing.T) {
// Create /dir1, move it and create it again
var dirPath = pDir+"/dir1"
var err = os.Mkdir(dirPath, 0777)
if err != nil {
t.Error(err)
}
err = os.Rename(dirPath, dirPath + ".bak")
if err != nil {
t.Error(err)
}
err = os.Mkdir(dirPath, 0777)
if err != nil {
t.Error(err)
}
var matches []string
matches, err = filepath.Glob(cDir+"/*/gocryptfs.diriv")
if err != nil {
t.Error(err)
}
// The contents of the both diriv files must be the same
var diriv0 []byte
diriv0, err = ioutil.ReadFile(matches[0])
if err != nil {
t.Error(err)
}
var diriv1 []byte
diriv1, err = ioutil.ReadFile(matches[1])
if err != nil {
t.Error(err)
}
if !bytes.Equal(diriv0, diriv1) {
t.Errorf("both dirivs should have the same value")
}
// And equal to zero
zerodiriv := make([]byte, len(diriv0))
if !bytes.Equal(diriv0, zerodiriv) {
t.Errorf("both dirivs should be all-zero")
}
}
// root diriv should be all-zero
func TestZeroRootDirIV(t *testing.T) {
// The contents of the diriv file must be zero
diriv, err := ioutil.ReadFile(cDir+"/gocryptfs.diriv")
if err != nil {
t.Error(err)
}
zerodiriv := make([]byte, len(diriv))
if !bytes.Equal(diriv, zerodiriv) {
t.Errorf("root diriv should be all-zero")
}
}
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