package example_filesystems // Mount example filesystems and check that the file "status.txt" is there import ( "io/ioutil" "os" "path/filepath" "testing" "github.com/rfjakob/gocryptfs/tests/test_helpers" ) const statusTxtContent = "It works!\n" func TestMain(m *testing.M) { test_helpers.ResetTmpDir(true) os.Exit(m.Run()) } // checkExampleFS - verify that "dir" contains the expected test files func checkExampleFS(t *testing.T, dir string, rw bool) { // Read regular file statusFile := filepath.Join(dir, "status.txt") contentBytes, err := ioutil.ReadFile(statusFile) if err != nil { t.Fatal(err) } content := string(contentBytes) if content != statusTxtContent { t.Errorf("Unexpected content: %s\n", content) } // Read relative symlink symlink := filepath.Join(dir, "rel") target, err := os.Readlink(symlink) if err != nil { t.Fatal(err) } if target != "status.txt" { t.Errorf("Unexpected link target: %s\n", target) } // Read absolute symlink symlink = filepath.Join(dir, "abs") target, err = os.Readlink(symlink) if err != nil { t.Fatal(err) } if target != "/a/b/c/d" { t.Errorf("Unexpected link target: %s\n", target) } if rw { // Test directory operations test_helpers.TestRename(t, dir) test_helpers.TestMkdirRmdir(t, dir) } } // checkExampleFSLongnames - verify that "dir" contains the expected test files // plus the long file name test file func checkExampleFSLongnames(t *testing.T, dir string) { // regular tests checkExampleFS(t, dir, true) // long name test file longname := "longname_255_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + "xxxxxxxxxxxxxxxxxxxxxxxx" contentBytes, err := ioutil.ReadFile(filepath.Join(dir, longname)) if err != nil { t.Fatal(err) } content := string(contentBytes) if content != statusTxtContent { t.Errorf("longname_255: unexpected content: %s\n", content) } } // Test example_filesystems/v0.4 // with password mount and -masterkey mount func TestExampleFSv04(t *testing.T) { pDir := test_helpers.TmpDir + "TestExampleFsV04/" cDir := "v0.4" err := os.Mkdir(pDir, 0777) if err != nil { t.Fatal(err) } err = test_helpers.Mount(cDir, pDir, false, "-extpass", "echo test") if err == nil { t.Errorf("Mounting deprecated FS should fail") } err = test_helpers.Mount(cDir, pDir, false, "-masterkey", "74676e34-0b47c145-00dac61a-17a92316-"+ "bb57044c-e205b71f-65f4fdca-7cabd4b3", "-diriv=false", "-emenames=false", "-gcmiv128=false") if err == nil { t.Errorf("Mounting deprecated FS should fail") } err = os.Remove(pDir) if err != nil { t.Error(err) } } // Test example_filesystems/v0.5 // with password mount and -masterkey mount func TestExampleFSv05(t *testing.T) { cDir := "v0.5" pDir := test_helpers.TmpDir + cDir err := test_helpers.Mount(cDir, pDir, false, "-extpass", "echo test") if err == nil { t.Errorf("Mounting deprecated FS should fail") } } // Test example_filesystems/v0.6 // with password mount and -masterkey mount func TestExampleFSv06(t *testing.T) { pDir := test_helpers.TmpDir + "TestExampleFsV06/" cDir := "v0.6" err := os.Mkdir(pDir, 0777) if err != nil { t.Fatal(err) } err = test_helpers.Mount(cDir, pDir, false, "-extpass", "echo test") if err == nil { t.Errorf("Mounting deprecated FS should fail") } test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey", "7bc8deb0-5fc894ef-a093da43-61561a81-"+ "0e8dee83-fdc056a4-937c37dd-9df5c520", "-gcmiv128=false") checkExampleFS(t, pDir, true) test_helpers.Unmount(pDir) err = os.Remove(pDir) if err != nil { t.Error(err) } } // Test example_filesystems/v0.6-plaintextnames // with password mount and -masterkey mount // v0.6 changed the file name handling a lot, hence the explicit test case for // plaintextnames. func TestExampleFSv06PlaintextNames(t *testing.T) { pDir := test_helpers.TmpDir + "TestExampleFsV06PlaintextNames/" cDir := "v0.6-plaintextnames" err := os.Mkdir(pDir, 0777) if err != nil { t.Fatal(err) } err = test_helpers.Mount(cDir, pDir, false, "-extpass", "echo test") if err == nil { t.Errorf("Mounting deprecated FS should fail") } test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey", "f4690202-595e4593-64c4f7e0-4dddd7d1-"+ "303147f9-0ca8aea2-966341a7-52ea8ae9", "-plaintextnames", "-gcmiv128=false") checkExampleFS(t, pDir, true) test_helpers.Unmount(pDir) err = os.Remove(pDir) if err != nil { t.Error(err) } } // Test example_filesystems/v0.7 // with password mount and -masterkey mount // v0.7 adds 128 bit GCM IVs func TestExampleFSv07(t *testing.T) { pDir := test_helpers.TmpDir + "TestExampleFsV07/" cDir := "v0.7" err := os.Mkdir(pDir, 0777) if err != nil { t.Fatal(err) } test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test") checkExampleFS(t, pDir, true) test_helpers.Unmount(pDir) test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey", "ed7f6d83-40cce86c-0e7d79c2-a9438710-"+ "575221bf-30a0eb60-2821fa8f-7f3123bf") checkExampleFS(t, pDir, true) test_helpers.Unmount(pDir) err = os.Remove(pDir) if err != nil { t.Error(err) } } // gocryptfs v0.7 filesystem created with "-plaintextnames" func TestExampleFSv07PlaintextNames(t *testing.T) { cDir := "v0.7-plaintextnames" pDir := test_helpers.TmpDir + cDir + ".mnt" test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test") checkExampleFS(t, pDir, true) test_helpers.Unmount(pDir) test_helpers.MountOrFatal(t, cDir, pDir, "-plaintextnames", "-masterkey", "6d96397b-585631e1-c7cba69d-61e738b6-4d5ad2c2-e21f0fb3-52f60d3a-b08526f7") checkExampleFS(t, pDir, true) test_helpers.Unmount(pDir) err := os.Remove(pDir) if err != nil { t.Error(err) } } // Test example_filesystems/v0.9 // (gocryptfs v0.9 introduced long file name support) func TestExampleFSv09(t *testing.T) { cDir := "v0.9" pDir := test_helpers.TmpDir + "TestExampleFsV09/" err := os.Mkdir(pDir, 0777) if err != nil { t.Fatal(err) } test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test") checkExampleFSLongnames(t, pDir) test_helpers.Unmount(pDir) test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey", "1cafe3f4-bc316466-2214c47c-ecd89bf3-"+ "4e078fe4-f5faeea7-8b7cab02-884f5e1c") checkExampleFSLongnames(t, pDir) test_helpers.Unmount(pDir) err = os.Remove(pDir) if err != nil { t.Error(err) } }