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authorJakob Unterwurzacher2020-08-01 20:47:59 +0200
committerJakob Unterwurzacher2020-08-01 21:14:10 +0200
commit13dc7657ba0aac4da3f4b80ba231a919fdfae0f5 (patch)
treed13781bacb4a02327f519d399e946f83fd13e5c7 /internal/fusefrontend_reverse_v1api/ctlsock_interface.go
parentdd3d8c100bc9e84c44b2efb55e536b2fc0ded37e (diff)
v2api/reverse: move old fusefrontend_reverse out of the way
fusefrontend_reverse -> fusefrontend_reverse_v1api
Diffstat (limited to 'internal/fusefrontend_reverse_v1api/ctlsock_interface.go')
-rw-r--r--internal/fusefrontend_reverse_v1api/ctlsock_interface.go38
1 files changed, 38 insertions, 0 deletions
diff --git a/internal/fusefrontend_reverse_v1api/ctlsock_interface.go b/internal/fusefrontend_reverse_v1api/ctlsock_interface.go
new file mode 100644
index 0000000..f7b8afd
--- /dev/null
+++ b/internal/fusefrontend_reverse_v1api/ctlsock_interface.go
@@ -0,0 +1,38 @@
+package fusefrontend_reverse
+
+import (
+ "path/filepath"
+ "strings"
+
+ "golang.org/x/sys/unix"
+
+ "github.com/rfjakob/gocryptfs/internal/ctlsocksrv"
+ "github.com/rfjakob/gocryptfs/internal/pathiv"
+)
+
+var _ ctlsocksrv.Interface = &ReverseFS{} // Verify that interface is implemented.
+
+// EncryptPath implements ctlsock.Backend.
+// This is used for the control socket and for the "-exclude" logic.
+func (rfs *ReverseFS) EncryptPath(plainPath string) (string, error) {
+ if rfs.args.PlaintextNames || plainPath == "" {
+ return plainPath, nil
+ }
+ cipherPath := ""
+ parts := strings.Split(plainPath, "/")
+ for _, part := range parts {
+ dirIV := pathiv.Derive(cipherPath, pathiv.PurposeDirIV)
+ encryptedPart := rfs.nameTransform.EncryptName(part, dirIV)
+ if rfs.args.LongNames && len(encryptedPart) > unix.NAME_MAX {
+ encryptedPart = rfs.nameTransform.HashLongName(encryptedPart)
+ }
+ cipherPath = filepath.Join(cipherPath, encryptedPart)
+ }
+ return cipherPath, nil
+}
+
+// DecryptPath implements ctlsock.Backend
+func (rfs *ReverseFS) DecryptPath(cipherPath string) (string, error) {
+ p, err := rfs.decryptPath(cipherPath)
+ return p, err
+}