92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
package deterministic_names
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// integration tests that target "-deterministic-names" specifically
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"github.com/rfjakob/gocryptfs/v2/internal/configfile"
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"github.com/rfjakob/gocryptfs/v2/tests/test_helpers"
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)
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var cDir string
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var pDir string
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var testPw = []byte("test")
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// Create and mount "-deterministic-names" fs
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func TestMain(m *testing.M) {
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cDir = test_helpers.InitFS(nil, "-deterministic-names")
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// Check config file sanity
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_, c, err := configfile.LoadAndDecrypt(cDir+"/"+configfile.ConfDefaultName, testPw)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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if c.IsFeatureFlagSet(configfile.FlagDirIV) {
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fmt.Println("DirIV flag should be off")
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os.Exit(1)
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}
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pDir = cDir + ".mnt"
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test_helpers.MountOrExit(cDir, pDir, "-extpass", "echo test")
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r := m.Run()
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test_helpers.UnmountPanic(pDir)
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os.Exit(r)
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}
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// TestDeterministicNames checks that a file with the same plaintext name
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// always encrypts to the same ciphertext name
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func TestDeterministicNames(t *testing.T) {
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// "foo" should encrypt to the same name in both directories
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if err := os.MkdirAll(pDir+"/x/foo", 0700); err != nil {
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t.Fatal(err)
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}
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if err := os.MkdirAll(pDir+"/y/foo", 0700); err != nil {
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t.Fatal(err)
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}
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matches, err := filepath.Glob(cDir + "/*/*")
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if err != nil || len(matches) != 2 {
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t.Fatal(matches, err)
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}
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if filepath.Base(matches[0]) != filepath.Base(matches[1]) {
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t.Error(matches)
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}
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fooEncrypted := filepath.Base(matches[0])
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// "foo" should also encrypt to the same name in the root directory
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if err := os.Mkdir(pDir+"/foo", 0700); err != nil {
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t.Fatal(err)
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}
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_, err = os.Stat(cDir + "/" + fooEncrypted)
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if err != nil {
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t.Error(err)
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}
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// Replace directory with file
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if err := os.RemoveAll(pDir + "/foo"); err != nil {
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t.Fatal(err)
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}
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if err := ioutil.WriteFile(pDir+"/foo", nil, 0700); err != nil {
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t.Fatal(err)
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}
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_, err = os.Stat(cDir + "/" + fooEncrypted)
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if err != nil {
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t.Error(err)
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}
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// Rename back and forth, name should stay the same
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if err := os.Rename(pDir+"/foo", pDir+"/foo.tmp"); err != nil {
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t.Fatal(err)
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}
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if err := os.Rename(pDir+"/foo.tmp", pDir+"/foo"); err != nil {
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t.Fatal(err)
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}
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if _, err := os.Stat(cDir + "/" + fooEncrypted); err != nil {
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t.Error(err)
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}
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}
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