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-rw-r--r--cli_args.go4
-rw-r--r--init_dir.go4
-rw-r--r--internal/fusefrontend/args.go4
-rw-r--r--internal/fusefrontend/ctlsock_interface.go4
-rw-r--r--internal/fusefrontend/node_dir_ops.go111
-rw-r--r--internal/fusefrontend/node_prepare_syscall.go3
-rw-r--r--internal/fusefrontend/xattr_unit_test.go2
-rw-r--r--internal/nametransform/diriv.go22
-rw-r--r--internal/nametransform/longnames.go4
-rw-r--r--internal/nametransform/names.go14
-rw-r--r--mount.go35
-rw-r--r--tests/deterministic_names/deterministic_names_test.go79
-rw-r--r--tests/matrix/matrix_test.go13
-rw-r--r--tests/test_helpers/helpers.go2
-rw-r--r--tests/zerodiriv/zerodiriv_test.go85
15 files changed, 208 insertions, 178 deletions
diff --git a/cli_args.go b/cli_args.go
index 76e8d30..d7e3217 100644
--- a/cli_args.go
+++ b/cli_args.go
@@ -30,7 +30,7 @@ type argContainer struct {
plaintextnames, quiet, nosyslog, wpanic,
longnames, allow_other, reverse, aessiv, nonempty, raw64,
noprealloc, speed, hkdf, serialize_reads, forcedecode, hh, info,
- sharedstorage, devrandom, fsck, one_file_system, zerodiriv bool
+ sharedstorage, devrandom, fsck, one_file_system, deterministic_names bool
// Mount options with opposites
dev, nodev, suid, nosuid, exec, noexec, rw, ro, kernel_cache, acl bool
masterkey, mountpoint, cipherdir, cpuprofile,
@@ -179,7 +179,7 @@ func parseCliOpts(osArgs []string) (args argContainer) {
flagSet.BoolVar(&args.devrandom, "devrandom", false, "Use /dev/random for generating master key")
flagSet.BoolVar(&args.fsck, "fsck", false, "Run a filesystem check on CIPHERDIR")
flagSet.BoolVar(&args.one_file_system, "one-file-system", false, "Don't cross filesystem boundaries")
- flagSet.BoolVar(&args.zerodiriv, "zerodiriv", false, "Create diriv as all-zero files")
+ flagSet.BoolVar(&args.deterministic_names, "deterministic-names", false, "Disable diriv file name randomisation")
// Mount options with opposites
flagSet.BoolVar(&args.dev, "dev", false, "Allow device files")
diff --git a/init_dir.go b/init_dir.go
index ce5f98d..cea7e53 100644
--- a/init_dir.go
+++ b/init_dir.go
@@ -99,11 +99,11 @@ func initDir(args *argContainer) {
}
// Forward mode with filename encryption enabled needs a gocryptfs.diriv file
// in the root dir
- if !args.plaintextnames && !args.reverse {
+ if !args.plaintextnames && !args.reverse && !args.deterministic_names {
// Open cipherdir (following symlinks)
dirfd, err := syscall.Open(args.cipherdir, syscall.O_DIRECTORY|syscallcompat.O_PATH, 0)
if err == nil {
- err = nametransform.WriteDirIVAt(dirfd, !args.zerodiriv)
+ err = nametransform.WriteDirIVAt(dirfd)
syscall.Close(dirfd)
}
if err != nil {
diff --git a/internal/fusefrontend/args.go b/internal/fusefrontend/args.go
index 02ffddb..e20987b 100644
--- a/internal/fusefrontend/args.go
+++ b/internal/fusefrontend/args.go
@@ -53,6 +53,6 @@ type Args struct {
// like rsync's `--one-file-system` does.
// Only applicable to reverse mode.
OneFileSystem bool
- // ZeroDirIV creates diriv files as all-zero files
- ZeroDirIV bool
+ // DeterministicNames disables gocryptfs.diriv files
+ DeterministicNames bool
}
diff --git a/internal/fusefrontend/ctlsock_interface.go b/internal/fusefrontend/ctlsock_interface.go
index 9e8cffc..87f0dc3 100644
--- a/internal/fusefrontend/ctlsock_interface.go
+++ b/internal/fusefrontend/ctlsock_interface.go
@@ -32,7 +32,7 @@ func (rn *RootNode) EncryptPath(plainPath string) (cipherPath string, err error)
parts := strings.Split(plainPath, "/")
wd := dirfd
for i, part := range parts {
- dirIV, err := nametransform.ReadDirIVAt(wd)
+ dirIV, err := rn.nameTransform.ReadDirIVAt(wd)
if err != nil {
return "", err
}
@@ -78,7 +78,7 @@ func (rn *RootNode) DecryptPath(cipherPath string) (plainPath string, err error)
parts := strings.Split(cipherPath, "/")
wd := dirfd
for i, part := range parts {
- dirIV, err := nametransform.ReadDirIVAt(wd)
+ dirIV, err := rn.nameTransform.ReadDirIVAt(wd)
if err != nil {
return "", err
}
diff --git a/internal/fusefrontend/node_dir_ops.go b/internal/fusefrontend/node_dir_ops.go
index b43a4e4..c4ab861 100644
--- a/internal/fusefrontend/node_dir_ops.go
+++ b/internal/fusefrontend/node_dir_ops.go
@@ -34,9 +34,14 @@ func haveDsstore(entries []fuse.DirEntry) bool {
// mkdirWithIv - create a new directory and corresponding diriv file. dirfd
// should be a handle to the parent directory, cName is the name of the new
// directory and mode specifies the access permissions to use.
+// If DeterministicNames is set, the diriv file is NOT created.
func (n *Node) mkdirWithIv(dirfd int, cName string, mode uint32, context *fuse.Context) error {
-
rn := n.rootNode()
+
+ if rn.args.DeterministicNames {
+ return syscallcompat.MkdiratUser(dirfd, cName, mode, context)
+ }
+
// Between the creation of the directory and the creation of gocryptfs.diriv
// the directory is inconsistent. Take the lock to prevent other readers
// from seeing it.
@@ -49,7 +54,7 @@ func (n *Node) mkdirWithIv(dirfd int, cName string, mode uint32, context *fuse.C
dirfd2, err := syscallcompat.Openat(dirfd, cName, syscall.O_DIRECTORY|syscall.O_NOFOLLOW|syscallcompat.O_PATH, 0)
if err == nil {
// Create gocryptfs.diriv
- err = nametransform.WriteDirIVAt(dirfd2, !rn.args.ZeroDirIV)
+ err = nametransform.WriteDirIVAt(dirfd2)
syscall.Close(dirfd2)
}
if err != nil {
@@ -90,62 +95,67 @@ func (n *Node) Mkdir(ctx context.Context, name string, mode uint32, out *fuse.En
return nil, fs.ToErrno(err)
}
st = syscallcompat.Unix2syscall(ust)
- } else {
- // We need write and execute permissions to create gocryptfs.diriv.
- // Also, we need read permissions to open the directory (to avoid
- // race-conditions between getting and setting the mode).
- origMode := mode
- mode = mode | 0700
- // Handle long file name
- if nametransform.IsLongContent(cName) {
- // Create ".name"
- err := rn.nameTransform.WriteLongNameAt(dirfd, cName, name)
- if err != nil {
- return nil, fs.ToErrno(err)
- }
+ // Create child node & return
+ ch := n.newChild(ctx, &st, out)
+ return ch, 0
- // Create directory
- err = rn.mkdirWithIv(dirfd, cName, mode, context)
- if err != nil {
- nametransform.DeleteLongNameAt(dirfd, cName)
- return nil, fs.ToErrno(err)
- }
- } else {
- err := rn.mkdirWithIv(dirfd, cName, mode, context)
- if err != nil {
- return nil, fs.ToErrno(err)
- }
- }
+ }
+
+ // We need write and execute permissions to create gocryptfs.diriv.
+ // Also, we need read permissions to open the directory (to avoid
+ // race-conditions between getting and setting the mode).
+ origMode := mode
+ mode = mode | 0700
- fd, err := syscallcompat.Openat(dirfd, cName,
- syscall.O_RDONLY|syscall.O_DIRECTORY|syscall.O_NOFOLLOW, 0)
+ // Handle long file name
+ if nametransform.IsLongContent(cName) {
+ // Create ".name"
+ err := rn.nameTransform.WriteLongNameAt(dirfd, cName, name)
if err != nil {
- tlog.Warn.Printf("Mkdir %q: Openat failed: %v", cName, err)
return nil, fs.ToErrno(err)
}
- defer syscall.Close(fd)
-
- err = syscall.Fstat(fd, &st)
+ // Create directory & rollback .name file on error
+ err = rn.mkdirWithIv(dirfd, cName, mode, context)
+ if err != nil {
+ nametransform.DeleteLongNameAt(dirfd, cName)
+ return nil, fs.ToErrno(err)
+ }
+ } else {
+ err := rn.mkdirWithIv(dirfd, cName, mode, context)
if err != nil {
- tlog.Warn.Printf("Mkdir %q: Fstat failed: %v", cName, err)
return nil, fs.ToErrno(err)
}
+ }
- // Fix permissions
- if origMode != mode {
- // Preserve SGID bit if it was set due to inheritance.
- origMode = uint32(st.Mode&^0777) | origMode
- err = syscall.Fchmod(fd, origMode)
- if err != nil {
- tlog.Warn.Printf("Mkdir %q: Fchmod %#o -> %#o failed: %v", cName, mode, origMode, err)
- }
+ // Fill `st`
+ fd, err := syscallcompat.Openat(dirfd, cName,
+ syscall.O_RDONLY|syscall.O_DIRECTORY|syscall.O_NOFOLLOW, 0)
+ if err != nil {
+ tlog.Warn.Printf("Mkdir %q: Openat failed: %v", cName, err)
+ return nil, fs.ToErrno(err)
+ }
+ defer syscall.Close(fd)
+
+ err = syscall.Fstat(fd, &st)
+ if err != nil {
+ tlog.Warn.Printf("Mkdir %q: Fstat failed: %v", cName, err)
+ return nil, fs.ToErrno(err)
+ }
+
+ // Fix permissions
+ if origMode != mode {
+ // Preserve SGID bit if it was set due to inheritance.
+ origMode = uint32(st.Mode&^0777) | origMode
+ err = syscall.Fchmod(fd, origMode)
+ if err != nil {
+ tlog.Warn.Printf("Mkdir %q: Fchmod %#o -> %#o failed: %v", cName, mode, origMode, err)
}
+
}
- // Create child node
+ // Create child node & return
ch := n.newChild(ctx, &st, out)
-
return ch, 0
}
@@ -175,7 +185,7 @@ func (n *Node) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
rn := n.rootNode()
if !rn.args.PlaintextNames {
// Read the DirIV from disk
- cachedIV, err = nametransform.ReadDirIVAt(fd)
+ cachedIV, err = rn.nameTransform.ReadDirIVAt(fd)
if err != nil {
tlog.Warn.Printf("OpenDir %q: could not read %s: %v", cDirName, nametransform.DirIVFilename, err)
return nil, syscall.EIO
@@ -196,7 +206,7 @@ func (n *Node) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
plain = append(plain, cipherEntries[i])
continue
}
- if cName == nametransform.DirIVFilename {
+ if !rn.args.DeterministicNames && cName == nametransform.DirIVFilename {
// silently ignore "gocryptfs.diriv" everywhere if dirIV is enabled
continue
}
@@ -249,6 +259,15 @@ func (n *Node) Rmdir(ctx context.Context, name string) (code syscall.Errno) {
err := unix.Unlinkat(parentDirFd, cName, unix.AT_REMOVEDIR)
return fs.ToErrno(err)
}
+ if rn.args.DeterministicNames {
+ if err := unix.Unlinkat(parentDirFd, cName, unix.AT_REMOVEDIR); err != nil {
+ return fs.ToErrno(err)
+ }
+ if nametransform.IsLongContent(cName) {
+ nametransform.DeleteLongNameAt(parentDirFd, cName)
+ }
+ return 0
+ }
// Unless we are running as root, we need read, write and execute permissions
// to handle gocryptfs.diriv.
permWorkaround := false
diff --git a/internal/fusefrontend/node_prepare_syscall.go b/internal/fusefrontend/node_prepare_syscall.go
index 0894379..8a0e75c 100644
--- a/internal/fusefrontend/node_prepare_syscall.go
+++ b/internal/fusefrontend/node_prepare_syscall.go
@@ -8,7 +8,6 @@ import (
"github.com/hanwen/go-fuse/v2/fs"
- "github.com/rfjakob/gocryptfs/internal/nametransform"
"github.com/rfjakob/gocryptfs/internal/syscallcompat"
)
@@ -73,7 +72,7 @@ func (n *Node) prepareAtSyscall(child string) (dirfd int, cName string, errno sy
// Cache store
if !rn.args.PlaintextNames {
var err error
- iv, err = nametransform.ReadDirIVAt(dirfd)
+ iv, err = rn.nameTransform.ReadDirIVAt(dirfd)
if err != nil {
syscall.Close(dirfd)
return -1, "", fs.ToErrno(err)
diff --git a/internal/fusefrontend/xattr_unit_test.go b/internal/fusefrontend/xattr_unit_test.go
index c48781c..397e3ef 100644
--- a/internal/fusefrontend/xattr_unit_test.go
+++ b/internal/fusefrontend/xattr_unit_test.go
@@ -19,7 +19,7 @@ func newTestFS(args Args) *RootNode {
key := make([]byte, cryptocore.KeyLen)
cCore := cryptocore.New(key, cryptocore.BackendGoGCM, contentenc.DefaultIVBits, true, false)
cEnc := contentenc.New(cCore, contentenc.DefaultBS, false)
- n := nametransform.New(cCore.EMECipher, true, true, nil)
+ n := nametransform.New(cCore.EMECipher, true, true, nil, false)
rn := NewRootNode(args, cEnc, n)
oneSec := time.Second
options := &fs.Options{
diff --git a/internal/nametransform/diriv.go b/internal/nametransform/diriv.go
index a288aa5..3a80baa 100644
--- a/internal/nametransform/diriv.go
+++ b/internal/nametransform/diriv.go
@@ -1,6 +1,7 @@
package nametransform
import (
+ "bytes"
"fmt"
"io"
"os"
@@ -22,7 +23,11 @@ const (
// ReadDirIVAt reads "gocryptfs.diriv" from the directory that is opened as "dirfd".
// Using the dirfd makes it immune to concurrent renames of the directory.
// Retries on EINTR.
-func ReadDirIVAt(dirfd int) (iv []byte, err error) {
+// If deterministicNames is set it returns an all-zero slice.
+func (n *NameTransform) ReadDirIVAt(dirfd int) (iv []byte, err error) {
+ if n.deterministicNames {
+ return make([]byte, DirIVLen), nil
+ }
fdRaw, err := syscallcompat.Openat(dirfd, DirIVFilename,
syscall.O_RDONLY|syscall.O_NOFOLLOW, 0)
if err != nil {
@@ -33,6 +38,9 @@ func ReadDirIVAt(dirfd int) (iv []byte, err error) {
return fdReadDirIV(fd)
}
+// allZeroDirIV is preallocated to quickly check if the data read from disk is all zero
+var allZeroDirIV = make([]byte, DirIVLen)
+
// fdReadDirIV reads and verifies the DirIV from an opened gocryptfs.diriv file.
func fdReadDirIV(fd *os.File) (iv []byte, err error) {
// We want to detect if the file is bigger than DirIVLen, so
@@ -46,6 +54,9 @@ func fdReadDirIV(fd *os.File) (iv []byte, err error) {
if len(iv) != DirIVLen {
return nil, fmt.Errorf("wanted %d bytes, got %d", DirIVLen, len(iv))
}
+ if bytes.Equal(iv, allZeroDirIV) {
+ return nil, fmt.Errorf("diriv is all-zero")
+ }
return iv, nil
}
@@ -53,13 +64,8 @@ func fdReadDirIV(fd *os.File) (iv []byte, err error) {
// "dirfd". On error we try to delete the incomplete file.
// This function is exported because it is used from fusefrontend, main,
// and also the automated tests.
-func WriteDirIVAt(dirfd int, randomInitialization bool) error {
- var iv []byte
- if randomInitialization {
- iv = cryptocore.RandBytes(DirIVLen)
- } else {
- iv = make([]byte, DirIVLen)
- }
+func WriteDirIVAt(dirfd int) error {
+ iv := cryptocore.RandBytes(DirIVLen)
// 0400 permissions: gocryptfs.diriv should never be modified after creation.
// Don't use "ioutil.WriteFile", it causes trouble on NFS:
// https://github.com/rfjakob/gocryptfs/commit/7d38f80a78644c8ec4900cc990bfb894387112ed
diff --git a/internal/nametransform/longnames.go b/internal/nametransform/longnames.go
index 74ddb07..bf8060b 100644
--- a/internal/nametransform/longnames.go
+++ b/internal/nametransform/longnames.go
@@ -114,7 +114,7 @@ func ReadLongNameAt(dirfd int, cName string) (string, error) {
func DeleteLongNameAt(dirfd int, hashName string) error {
err := syscallcompat.Unlinkat(dirfd, hashName+LongNameSuffix, 0)
if err != nil {
- tlog.Warn.Printf("DeleteLongName: %v", err)
+ tlog.Warn.Printf("DeleteLongNameAt: %v", err)
}
return err
}
@@ -128,7 +128,7 @@ func (n *NameTransform) WriteLongNameAt(dirfd int, hashName string, plainName st
plainName = filepath.Base(plainName)
// Encrypt the basename
- dirIV, err := ReadDirIVAt(dirfd)
+ dirIV, err := n.ReadDirIVAt(dirfd)
if err != nil {
return err
}
diff --git a/internal/nametransform/names.go b/internal/nametransform/names.go
index 566f0c7..412ccc0 100644
--- a/internal/nametransform/names.go
+++ b/internal/nametransform/names.go
@@ -25,11 +25,12 @@ type NameTransform struct {
// on the Raw64 feature flag
B64 *base64.Encoding
// Patterns to bypass decryption
- badnamePatterns []string
+ badnamePatterns []string
+ deterministicNames bool
}
// New returns a new NameTransform instance.
-func New(e *eme.EMECipher, longNames bool, raw64 bool, badname []string) *NameTransform {
+func New(e *eme.EMECipher, longNames bool, raw64 bool, badname []string, deterministicNames bool) *NameTransform {
tlog.Debug.Printf("nametransform.New: longNames=%v, raw64=%v, badname=%q",
longNames, raw64, badname)
@@ -38,10 +39,11 @@ func New(e *eme.EMECipher, longNames bool, raw64 bool, badname []string) *NameTr
b64 = base64.RawURLEncoding
}
return &NameTransform{
- emeCipher: e,
- longNames: longNames,
- B64: b64,
- badnamePatterns: badname,
+ emeCipher: e,
+ longNames: longNames,
+ B64: b64,
+ badnamePatterns: badname,
+ deterministicNames: deterministicNames,
}
}
diff --git a/mount.go b/mount.go
index 64b151b..07b589b 100644
--- a/mount.go
+++ b/mount.go
@@ -261,22 +261,22 @@ func initFuseFrontend(args *argContainer) (rootNode fs.InodeEmbedder, wipeKeys f
args.allow_other = true
}
frontendArgs := fusefrontend.Args{
- Cipherdir: args.cipherdir,
- PlaintextNames: args.plaintextnames,
- LongNames: args.longnames,
- ConfigCustom: args._configCustom,
- NoPrealloc: args.noprealloc,
- SerializeReads: args.serialize_reads,
- ForceDecode: args.forcedecode,
- ForceOwner: args._forceOwner,
- Exclude: args.exclude,
- ExcludeWildcard: args.excludeWildcard,
- ExcludeFrom: args.excludeFrom,
- Suid: args.suid,
- KernelCache: args.kernel_cache,
- SharedStorage: args.sharedstorage,
- OneFileSystem: args.one_file_system,
- ZeroDirIV: args.zerodiriv,
+ Cipherdir: args.cipherdir,
+ PlaintextNames: args.plaintextnames,
+ LongNames: args.longnames,
+ ConfigCustom: args._configCustom,
+ NoPrealloc: args.noprealloc,
+ SerializeReads: args.serialize_reads,
+ ForceDecode: args.forcedecode,
+ ForceOwner: args._forceOwner,
+ Exclude: args.exclude,
+ ExcludeWildcard: args.excludeWildcard,
+ ExcludeFrom: args.excludeFrom,
+ Suid: args.suid,
+ KernelCache: args.kernel_cache,
+ SharedStorage: args.sharedstorage,
+ OneFileSystem: args.one_file_system,
+ DeterministicNames: args.deterministic_names,
}
// confFile is nil when "-zerokey" or "-masterkey" was used
if confFile != nil {
@@ -300,7 +300,8 @@ func initFuseFrontend(args *argContainer) (rootNode fs.InodeEmbedder, wipeKeys f
// Init crypto backend
cCore := cryptocore.New(masterkey, cryptoBackend, contentenc.DefaultIVBits, args.hkdf, args.forcedecode)
cEnc := contentenc.New(cCore, contentenc.DefaultBS, args.forcedecode)
- nameTransform := nametransform.New(cCore.EMECipher, frontendArgs.LongNames, args.raw64, []string(args.badname))
+ nameTransform := nametransform.New(cCore.EMECipher, frontendArgs.LongNames,
+ args.raw64, []string(args.badname), frontendArgs.DeterministicNames)
// After the crypto backend is initialized,
// we can purge the master key from memory.
for i := range masterkey {
diff --git a/tests/deterministic_names/deterministic_names_test.go b/tests/deterministic_names/deterministic_names_test.go
new file mode 100644
index 0000000..1b355df
--- /dev/null
+++ b/tests/deterministic_names/deterministic_names_test.go
@@ -0,0 +1,79 @@
+package deterministic_names
+
+// integration tests that target "-deterministic-names" specifically
+
+import (
+ "io/ioutil"
+ "os"
+ "path/filepath"
+ "testing"
+
+ "github.com/rfjakob/gocryptfs/tests/test_helpers"
+)
+
+var cDir string
+var pDir string
+
+var testPw = []byte("test")
+
+// Create and mount "-deterministic-names" fs
+func TestMain(m *testing.M) {
+ cDir = test_helpers.InitFS(nil, "-deterministic-names")
+ pDir = cDir + ".mnt"
+ test_helpers.MountOrExit(cDir, pDir, "-deterministic-names", "-extpass", "echo test")
+ r := m.Run()
+ test_helpers.UnmountPanic(pDir)
+ os.Exit(r)
+}
+
+// TestDeterministicNames checks that a file with the same plaintext name
+// always encrypts to the same ciphertext name
+func TestDeterministicNames(t *testing.T) {
+ // "foo" should encrypt to the same name in both directories
+ if err := os.MkdirAll(pDir+"/x/foo", 0700); err != nil {
+ t.Fatal(err)
+ }
+ if err := os.MkdirAll(pDir+"/y/foo", 0700); err != nil {
+ t.Fatal(err)
+ }
+ matches, err := filepath.Glob(cDir + "/*/*")
+ if err != nil || len(matches) != 2 {
+ t.Fatal(matches, err)
+ }
+ if filepath.Base(matches[0]) != filepath.Base(matches[1]) {
+ t.Error(matches)
+ }
+ fooEncrypted := filepath.Base(matches[0])
+
+ // "foo" should also encrypt to the same name in the root directory
+ if err := os.Mkdir(pDir+"/foo", 0700); err != nil {
+ t.Fatal(err)
+ }
+ _, err = os.Stat(cDir + "/" + fooEncrypted)
+ if err != nil {
+ t.Error(err)
+ }
+
+ // Replace directory with file
+ if err := os.RemoveAll(pDir + "/foo"); err != nil {
+ t.Fatal(err)
+ }
+ if err := ioutil.WriteFile(pDir+"/foo", nil, 0700); err != nil {
+ t.Fatal(err)
+ }
+ _, err = os.Stat(cDir + "/" + fooEncrypted)
+ if err != nil {
+ t.Error(err)
+ }
+
+ // Rename back and forth, name should stay the same
+ if err := os.Rename(pDir+"/foo", pDir+"/foo.tmp"); err != nil {
+ t.Fatal(err)
+ }
+ if err := os.Rename(pDir+"/foo.tmp", pDir+"/foo"); err != nil {
+ t.Fatal(err)
+ }
+ if _, err := os.Stat(cDir + "/" + fooEncrypted); err != nil {
+ t.Error(err)
+ }
+}
diff --git a/tests/matrix/matrix_test.go b/tests/matrix/matrix_test.go
index 5cc5251..c51b391 100644
--- a/tests/matrix/matrix_test.go
+++ b/tests/matrix/matrix_test.go
@@ -55,20 +55,28 @@ var matrix = []testcaseMatrix{
// -serialize_reads
{false, "auto", false, false, []string{"-serialize_reads"}},
{false, "auto", false, false, []string{"-sharedstorage"}},
+ {false, "auto", false, false, []string{"-deterministic-names"}},
}
// This is the entry point for the tests
func TestMain(m *testing.M) {
// Make "testing.Verbose()" return the correct value
flag.Parse()
- for _, testcase = range matrix {
+ var i int
+ for i, testcase = range matrix {
if testcase.openssl == "true" && stupidgcm.BuiltWithoutOpenssl {
continue
}
if testing.Verbose() {
fmt.Printf("matrix: testcase = %#v\n", testcase)
}
- test_helpers.ResetTmpDir(!testcase.plaintextnames)
+ createDirIV := true
+ if testcase.plaintextnames {
+ createDirIV = false
+ } else if len(testcase.extraArgs) == 1 && testcase.extraArgs[0] == "-deterministic-names" {
+ createDirIV = false
+ }
+ test_helpers.ResetTmpDir(createDirIV)
opts := []string{"-zerokey"}
//opts = append(opts, "-fusedebug")
opts = append(opts, fmt.Sprintf("-openssl=%v", testcase.openssl))
@@ -90,6 +98,7 @@ func TestMain(m *testing.M) {
}
test_helpers.UnmountPanic(test_helpers.DefaultPlainDir)
if r != 0 {
+ fmt.Printf("TestMain: matrix[%d] = %#v failed\n", i, testcase)
os.Exit(r)
}
}
diff --git a/tests/test_helpers/helpers.go b/tests/test_helpers/helpers.go
index f78c59c..87dba0a 100644
--- a/tests/test_helpers/helpers.go
+++ b/tests/test_helpers/helpers.go
@@ -110,7 +110,7 @@ func ResetTmpDir(createDirIV bool) {
// Open cipherdir (following symlinks)
dirfd, err := syscall.Open(DefaultCipherDir, syscall.O_DIRECTORY|syscallcompat.O_PATH, 0)
if err == nil {
- err = nametransform.WriteDirIVAt(dirfd, true)
+ err = nametransform.WriteDirIVAt(dirfd)
syscall.Close(dirfd)
}
if err != nil {
diff --git a/tests/zerodiriv/zerodiriv_test.go b/tests/zerodiriv/zerodiriv_test.go
deleted file mode 100644
index 3fbbf47..0000000
--- a/tests/zerodiriv/zerodiriv_test.go
+++ /dev/null
@@ -1,85 +0,0 @@
-package zerodiriv
-
-// integration tests that target zerodiriv specifically
-
-import (
- "bytes"
- "path/filepath"
- "io/ioutil"
- "os"
- "testing"
-
- "github.com/rfjakob/gocryptfs/tests/test_helpers"
-)
-
-var cDir string
-var pDir string
-
-var testPw = []byte("test")
-
-// Create and mount "-zerodiriv" fs
-func TestMain(m *testing.M) {
- cDir = test_helpers.InitFS(nil, "-zerodiriv")
- pDir = cDir + ".mnt"
- test_helpers.MountOrExit(cDir, pDir, "-zerodiriv", "-extpass", "echo test")
- r := m.Run()
- test_helpers.UnmountPanic(pDir)
- os.Exit(r)
-}
-
-// diriv should be all-zero on newly created dirs
-func TestZeroDirIV(t *testing.T) {
- // Create /dir1, move it and create it again
- var dirPath = pDir+"/dir1"
- var err = os.Mkdir(dirPath, 0777)
- if err != nil {
- t.Error(err)
- }
- err = os.Rename(dirPath, dirPath + ".bak")
- if err != nil {
- t.Error(err)
- }
- err = os.Mkdir(dirPath, 0777)
- if err != nil {
- t.Error(err)
- }
-
- var matches []string
- matches, err = filepath.Glob(cDir+"/*/gocryptfs.diriv")
- if err != nil {
- t.Error(err)
- }
-
- // The contents of the both diriv files must be the same
- var diriv0 []byte
- diriv0, err = ioutil.ReadFile(matches[0])
- if err != nil {
- t.Error(err)
- }
- var diriv1 []byte
- diriv1, err = ioutil.ReadFile(matches[1])
- if err != nil {
- t.Error(err)
- }
- if !bytes.Equal(diriv0, diriv1) {
- t.Errorf("both dirivs should have the same value")
- }
- // And equal to zero
- zerodiriv := make([]byte, len(diriv0))
- if !bytes.Equal(diriv0, zerodiriv) {
- t.Errorf("both dirivs should be all-zero")
- }
-}
-
-// root diriv should be all-zero
-func TestZeroRootDirIV(t *testing.T) {
- // The contents of the diriv file must be zero
- diriv, err := ioutil.ReadFile(cDir+"/gocryptfs.diriv")
- if err != nil {
- t.Error(err)
- }
- zerodiriv := make([]byte, len(diriv))
- if !bytes.Equal(diriv, zerodiriv) {
- t.Errorf("root diriv should be all-zero")
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 10:54:06 +0000