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package reverse
import (
"io/ioutil"
"net/url"
"os"
"runtime"
"syscall"
"testing"
"github.com/rfjakob/gocryptfs/tests/test_helpers"
)
func doTestOneFileSystem(t *testing.T, plaintextnames bool) {
// Let's not explode with "TempDir: pattern contains path separator"
myEscapedName := url.PathEscape(t.Name())
mnt, err := ioutil.TempDir(test_helpers.TmpDir, myEscapedName)
if err != nil {
t.Fatal(err)
}
cliArgs := []string{"-reverse", "-zerokey", "-one-file-system"}
if plaintextnames {
cliArgs = append(cliArgs, "-plaintextnames")
}
test_helpers.MountOrFatal(t, "/", mnt, cliArgs...)
defer test_helpers.UnmountErr(mnt)
// Copied from inomap
const maxPassthruIno = 1<<48 - 1
entries, err := os.ReadDir(mnt)
if err != nil {
t.Fatal(err)
}
mountpoints := []string{}
for _, e := range entries {
i, err := e.Info()
if err != nil {
continue
}
if !e.IsDir() {
// We are only interested in directories
continue
}
st := i.Sys().(*syscall.Stat_t)
// The inode numbers of files with a different device number are remapped
// to something above maxPassthruIno
if st.Ino > maxPassthruIno {
mountpoints = append(mountpoints, e.Name())
}
}
if len(mountpoints) == 0 {
t.Skip("no mountpoints found, nothing to test")
}
for _, m := range mountpoints {
e, err := os.ReadDir(mnt + "/" + m)
if err != nil {
t.Error(err)
}
expected := 1
if plaintextnames {
expected = 0
}
if len(e) != expected {
t.Errorf("mountpoint %q does not look empty: %v", m, e)
}
}
t.Logf("tested %d mountpoints: %v", len(mountpoints), mountpoints)
}
func TestOneFileSystem(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skip("only works on linux")
}
t.Run("normal", func(t *testing.T) { doTestOneFileSystem(t, false) })
t.Run("plaintextnames", func(t *testing.T) { doTestOneFileSystem(t, true) })
}
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