From d14c9340d6fb473e9837e91db8b6e869c37ad8e5 Mon Sep 17 00:00:00 2001 From: Jakob Unterwurzacher Date: Thu, 21 Oct 2021 15:58:19 +0200 Subject: cli: add -longnamemax Fixes https://github.com/rfjakob/gocryptfs/issues/499 --- tests/cli/longnamemax_test.go | 61 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 tests/cli/longnamemax_test.go (limited to 'tests/cli') diff --git a/tests/cli/longnamemax_test.go b/tests/cli/longnamemax_test.go new file mode 100644 index 0000000..fc429f6 --- /dev/null +++ b/tests/cli/longnamemax_test.go @@ -0,0 +1,61 @@ +package cli + +import ( + "fmt" + "io/ioutil" + "os" + "path/filepath" + "strings" + "syscall" + "testing" + + "github.com/rfjakob/gocryptfs/v2/internal/configfile" + + "github.com/rfjakob/gocryptfs/v2/tests/test_helpers" +) + +// Create & test fs with -longnamemax=100 +func TestLongnamemax100(t *testing.T) { + cDir := test_helpers.InitFS(nil, "-longnamemax", "100") + pDir := cDir + ".mnt" + + // Check config file sanity + _, c, err := configfile.LoadAndDecrypt(cDir+"/"+configfile.ConfDefaultName, testPw) + if err != nil { + fmt.Println(err) + os.Exit(1) + } + if !c.IsFeatureFlagSet(configfile.FlagLongNameMax) { + t.Error("FlagLongNameMax should be on") + } + if c.LongNameMax != 100 { + t.Errorf("LongNameMax=%d, want 100", c.LongNameMax) + } + + // Check that it takes effect + test_helpers.MountOrExit(cDir, pDir, "-extpass", "echo test") + defer test_helpers.UnmountPanic(pDir) + + for l := 1; l <= 255; l++ { + path := pDir + "/" + strings.Repeat("x", l) + if err := ioutil.WriteFile(path, nil, 0600); err != nil { + t.Fatal(err) + } + matches, err := filepath.Glob(cDir + "/gocryptfs.longname.*") + if err != nil { + t.Fatal(err) + } + err = syscall.Unlink(path) + if err != nil { + t.Fatal(err) + } + // As determined experimentally, a name of length >= 64 causes a longname + // to be created. + if l <= 63 && len(matches) != 0 { + t.Errorf("l=%d: should not see a longname yet", l) + } + if l >= 64 && len(matches) != 2 { + t.Errorf("l=%d: should see a longname now", l) + } + } +} -- cgit v1.2.3