update ceph source to reef 18.1.2

[ceph.git] / ceph / src / librbd / crypto / luks / LUKSEncryptionFormat.h

diff --git a/ceph/src/librbd/crypto/luks/LUKSEncryptionFormat.h b/ceph/src/librbd/crypto/luks/LUKSEncryptionFormat.h
new file mode 100644 (file)
index 0000000..353bd89
--- /dev/null
+++ b/ceph/src/librbd/crypto/luks/LUKSEncryptionFormat.h
@@ -0,0 +1,100 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_CRYPTO_LUKS_ENCRYPTION_FORMAT_H
+#define CEPH_LIBRBD_CRYPTO_LUKS_ENCRYPTION_FORMAT_H
+
+#include <string_view>
+#include "include/rbd/librbd.hpp"
+#include "librbd/crypto/CryptoInterface.h"
+#include "librbd/crypto/EncryptionFormat.h"
+
+namespace librbd {
+
+struct ImageCtx;
+
+namespace crypto {
+namespace luks {
+
+template <typename ImageCtxT>
+class EncryptionFormat : public crypto::EncryptionFormat<ImageCtxT> {
+public:
+  void flatten(ImageCtxT* ictx, Context* on_finish) override;
+
+  CryptoInterface* get_crypto() override {
+    ceph_assert(m_crypto);
+    return m_crypto.get();
+  }
+
+protected:
+  std::unique_ptr<CryptoInterface> m_crypto;
+};
+
+template <typename ImageCtxT>
+class LUKSEncryptionFormat : public EncryptionFormat<ImageCtxT> {
+public:
+  LUKSEncryptionFormat(std::string_view passphrase)
+      : m_passphrase(passphrase) {}
+
+  std::unique_ptr<crypto::EncryptionFormat<ImageCtxT>> clone() const override {
+    return std::make_unique<LUKSEncryptionFormat>(m_passphrase);
+  }
+
+  void format(ImageCtxT* ictx, Context* on_finish) override;
+  void load(ImageCtxT* ictx, std::string* detected_format_name,
+            Context* on_finish) override;
+
+private:
+  std::string_view m_passphrase;
+};
+
+template <typename ImageCtxT>
+class LUKS1EncryptionFormat : public EncryptionFormat<ImageCtxT> {
+public:
+  LUKS1EncryptionFormat(encryption_algorithm_t alg, std::string_view passphrase)
+      : m_alg(alg), m_passphrase(passphrase) {}
+
+  std::unique_ptr<crypto::EncryptionFormat<ImageCtxT>> clone() const override {
+    return std::make_unique<LUKS1EncryptionFormat>(m_alg, m_passphrase);
+  }
+
+  void format(ImageCtxT* ictx, Context* on_finish) override;
+  void load(ImageCtxT* ictx, std::string* detected_format_name,
+            Context* on_finish) override;
+
+private:
+  encryption_algorithm_t m_alg;
+  std::string_view m_passphrase;
+};
+
+template <typename ImageCtxT>
+class LUKS2EncryptionFormat : public EncryptionFormat<ImageCtxT> {
+public:
+  LUKS2EncryptionFormat(encryption_algorithm_t alg, std::string_view passphrase)
+      : m_alg(alg), m_passphrase(passphrase) {}
+
+  std::unique_ptr<crypto::EncryptionFormat<ImageCtxT>> clone() const override {
+    return std::make_unique<LUKS2EncryptionFormat>(m_alg, m_passphrase);
+  }
+
+  void format(ImageCtxT* ictx, Context* on_finish) override;
+  void load(ImageCtxT* ictx, std::string* detected_format_name,
+            Context* on_finish) override;
+
+private:
+  encryption_algorithm_t m_alg;
+  std::string_view m_passphrase;
+};
+
+} // namespace luks
+} // namespace crypto
+} // namespace librbd
+
+extern template class librbd::crypto::luks::LUKSEncryptionFormat<
+        librbd::ImageCtx>;
+extern template class librbd::crypto::luks::LUKS1EncryptionFormat<
+        librbd::ImageCtx>;
+extern template class librbd::crypto::luks::LUKS2EncryptionFormat<
+        librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_CRYPTO_LUKS_ENCRYPTION_FORMAT_H