MySQL  8.0.20
Source Code Documentation
keyring_file.h
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1 /*
2  Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
3 
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24 
25 #ifndef MYSQL_HARNESS_KEYRING_FILE_INCLUDED
26 #define MYSQL_HARNESS_KEYRING_FILE_INCLUDED
27 
28 #include <iostream>
29 #include "keyring_memory.h"
30 
31 namespace mysql_harness {
32 
33 /**
34  * KeyringFile class.
35  *
36  * Implements Keyring interface and provides additional methods for loading and
37  * saving keyring to file.
38  */
39 class HARNESS_EXPORT KeyringFile : public KeyringMemory {
40  public:
41  KeyringFile() = default;
42 
43  /**
44  * Sets additional data to be stored with the file but will not be
45  * encrypted.
46  *
47  * @param[in] data to store in header
48  */
49  void set_header(const std::string &data);
50 
51  /**
52  * Saves keyring to file.
53  *
54  * @param[in] file_name Keyring file name.
55  * @param[in] key Key used for encryption.
56  *
57  * @exception std::exception Saving to file failed.
58  */
59  void save(const std::string &file_name, const std::string &key) const;
60 
61  /**
62  * Load keyring from file.
63  *
64  * @param[in] file_name Keyring file name.
65  * @param[in] key Key used for decryption.
66  *
67  * @exception std::exception Loading from file failed.
68  */
69  void load(const std::string &file_name, const std::string &key);
70 
71  /**
72  * Read header data from file.
73  *
74  * @param[in] file_name Keyring file name.
75  *
76  * @exception std::exception Loading from file failed.
77  */
78  std::string read_header(const std::string &file_name);
79 
80  private:
81  std::string header_;
82 };
83 
84 } // namespace mysql_harness
85 
86 #endif // MYSQL_HARNESS_KEYRING_FILE_INCLUDED
bool load(THD *, const dd::String_type &fname, dd::String_type *buf)
Read an sdi file from disk and store in a buffer.
Definition: sdi_file.cc:306
void read_header(azio_stream *s, unsigned char *buffer)
Definition: azio.cc:333
KeyringMemory class.
Definition: keyring_memory.h:47
Definition: common.h:39
static const char * key
Definition: suite_stubs.c:14
std::string header_
Definition: keyring_file.h:81
KeyringFile class.
Definition: keyring_file.h:39