tests: add v1.1-reverse example filesystem

tests/example_filesystems/example_filesystems_test.go

@@ -152,8 +152,35 @@ func TestExampleFSv11(t *testing.T) {
 	test_helpers.UnmountPanic(pDir)
 	pDir = pDir + ".2"
 	test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey",
-		"be505f7d-54871394-2c0c2481-1bdcd0d8-9113b08a-0f7b4dfc-851c96da-55ef36b5",
+		"eaf371c3-f9a55336-8819f22b-7bccd7c2-a738cf61-7261c658-14c28a03-9428992b",
 		"-aessiv", opensslOpt)
 	checkExampleFSLongnames(t, pDir)
 	test_helpers.UnmountPanic(pDir)
 }
+
+// gocryptfs v1.1 introduced reverse mode
+func TestExampleFSv11reverse(t *testing.T) {
+	dirA := "v1.1-reverse"
+	dirB := test_helpers.TmpDir + "/" + dirA + ".B"
+	err := os.Mkdir(dirB, 0700)
+	if err != nil {
+		t.Fatal(err)
+	}
+	dirC := test_helpers.TmpDir + "/" + dirA + ".C"
+	err = os.Mkdir(dirC, 0700)
+	if err != nil {
+		t.Fatal(err)
+	}
+	test_helpers.MountOrFatal(t, dirA, dirB, "-reverse", "-extpass", "echo test", opensslOpt)
+	test_helpers.MountOrFatal(t, dirB, dirC, "-extpass", "echo test", opensslOpt)
+	checkExampleFSrw(t, dirC, false)
+	test_helpers.UnmountPanic(dirC)
+	test_helpers.UnmountPanic(dirB)
+
+	m := "68b51855-042abd80-635ae1ba-90152a78-2ec2d243-832ac72a-eab0561a-f2d37913"
+	test_helpers.MountOrFatal(t, dirA, dirB, "-reverse", "-masterkey", m, opensslOpt)
+	test_helpers.MountOrFatal(t, dirB, dirC, "-aessiv", "-masterkey", m, opensslOpt)
+	checkExampleFSrw(t, dirC, false)
+	test_helpers.UnmountPanic(dirC)
+	test_helpers.UnmountPanic(dirB)
+}

tests/example_filesystems/example_test_helpers.go

@@ -48,10 +48,17 @@ func checkExampleFS(t *testing.T, dir string, rw bool) {
 }
 
 // checkExampleFSLongnames - verify that "dir" contains the expected test files
-// plus the long file name test file
+// plus the long file name test file.
+// Also tests simple directory operations.
 func checkExampleFSLongnames(t *testing.T, dir string) {
+	checkExampleFSrw(t, dir, true)
+}
+
+// checkExampleFSrw is like checkExampleFSLongnames but gives the caller the
+// choice if he wants to run tests that write to the FS.
+func checkExampleFSrw(t *testing.T, dir string, rw bool) {
 	// regular tests
-	checkExampleFS(t, dir, true)
+	checkExampleFS(t, dir, rw)
 	// long name test file
 	longname := "longname_255_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
 		"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
@@ -65,5 +72,4 @@ func checkExampleFSLongnames(t *testing.T, dir string) {
 	if content != statusTxtContent {
 		t.Errorf("longname_255: unexpected content: %s\n", content)
 	}
-
 }

tests/example_filesystems/v1.1-reverse/.gocryptfs.reverse.conf

@@ -0,0 +1,19 @@
+{
+	"Creator": "gocryptfs v1.1-beta1-33-gf054353-dirty",
+	"EncryptedKey": "GD7CQzhKMs4r8B/jc7eNNAffyMn4Z2A0tH9EC50y6v5y6amJdU6NQK5xLPWpWSc45si5L26VOVhT8dhz",
+	"ScryptObject": {
+		"Salt": "G/Cpk6TnscJzx1fae9t8guejwoPk1lsGkkcljIMjJdw=",
+		"N": 1024,
+		"R": 8,
+		"P": 1,
+		"KeyLen": 32
+	},
+	"Version": 2,
+	"FeatureFlags": [
+		"GCMIV128",
+		"DirIV",
+		"EMENames",
+		"LongNames",
+		"AESSIV"
+	]
+}

tests/example_filesystems/v1.1-reverse/abs

@@ -0,0 +1 @@
+/a/b/c/d

tests/example_filesystems/v1.1-reverse/longname_255_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

@@ -0,0 +1 @@
+It works!

tests/example_filesystems/v1.1-reverse/rel

@@ -0,0 +1 @@
+status.txt

tests/example_filesystems/v1.1-reverse/status.txt

@@ -0,0 +1 @@
+It works!