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) } } }