1 files changed, 51 insertions, 0 deletions
diff --git a/src/librbd/crypto/luks/Header.h b/src/librbd/crypto/luks/Header.h
new file mode 100644
index 000000000..cee80a8e4
--- /dev/null
+++ b/src/librbd/crypto/luks/Header.h
@@ -0,0 +1,51 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_CRYPTO_LUKS_HEADER_H
+#define CEPH_LIBRBD_CRYPTO_LUKS_HEADER_H
+
+#include <libcryptsetup.h>
+#include "common/ceph_context.h"
+#include "include/buffer.h"
+
+namespace librbd {
+namespace crypto {
+namespace luks {
+
+class Header {
+public:
+    Header(CephContext* cct);
+    ~Header();
+    int init();
+
+    int write(const ceph::bufferlist& bl);
+    ssize_t read(ceph::bufferlist* bl);
+
+    int format(const char* type, const char* alg, const char* key,
+               size_t key_size, const char* cipher_mode, uint32_t sector_size,
+               uint32_t data_alignment, bool insecure_fast_mode);
+    int add_keyslot(const char* passphrase, size_t passphrase_size);
+    int load(const char* type);
+    int read_volume_key(const char* passphrase, size_t passphrase_size,
+                        char* volume_key, size_t* volume_key_size);
+
+    int get_sector_size();
+    uint64_t get_data_offset();
+    const char* get_cipher();
+    const char* get_cipher_mode();
+
+private:
+    void libcryptsetup_log(int level, const char* msg);
+    static void libcryptsetup_log_wrapper(int level, const char* msg,
+                                          void* header);
+
+    CephContext* m_cct;
+    int m_fd;
+    struct crypt_device *m_cd;
+};
+
+} // namespace luks
+} // namespace crypto
+} // namespace librbd
+
+#endif // CEPH_LIBRBD_CRYPTO_LUKS_HEADER_H