1 files changed, 32 insertions, 0 deletions
diff --git a/src/librbd/crypto/luks/Magic.h b/src/librbd/crypto/luks/Magic.h
new file mode 100644
index 000000000..ad06e67f5
--- /dev/null
+++ b/src/librbd/crypto/luks/Magic.h
@@ -0,0 +1,32 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_CRYPTO_LUKS_MAGIC_H
+#define CEPH_LIBRBD_CRYPTO_LUKS_MAGIC_H
+
+#include "common/ceph_context.h"
+#include "include/buffer.h"
+
+namespace librbd {
+namespace crypto {
+namespace luks {
+
+class Magic {
+public:
+  static int is_luks(ceph::bufferlist& bl);
+  static int is_rbd_clone(ceph::bufferlist& bl);
+
+  static int replace_magic(CephContext* cct, ceph::bufferlist& bl);
+private:
+  static int read(ceph::bufferlist& bl, uint32_t bl_off,
+                  uint32_t read_size, char* result);
+  static int cmp(ceph::bufferlist& bl, uint32_t bl_off,
+                 const std::string& cmp_str);
+  static void transform_secondary_header_magic(char* magic);
+};
+
+} // namespace luks
+} // namespace crypto
+} // namespace librbd
+
+#endif // CEPH_LIBRBD_CRYPTO_LUKS_MAGIC_H