1#ifndef MYSQL_SERVICE_BASE64_INCLUDED
2/* Copyright (c) 2017, MariaDB
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; version 2 of the License.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
16
17/**
18 @file
19 my base64 service
20
21 Functions for base64 en- and decoding
22*/
23
24#ifdef __cplusplus
25extern "C" {
26#endif
27
28#ifndef MYSQL_ABI_CHECK
29#include <stdlib.h>
30#endif
31
32/* Allow multuple chunks 'AAA= AA== AA==', binlog uses this */
33#define MY_BASE64_DECODE_ALLOW_MULTIPLE_CHUNKS 1
34
35extern struct base64_service_st {
36 int (*base64_needed_encoded_length_ptr)(int length_of_data);
37 int (*base64_encode_max_arg_length_ptr)(void);
38 int (*base64_needed_decoded_length_ptr)(int length_of_encoded_data);
39 int (*base64_decode_max_arg_length_ptr)();
40 int (*base64_encode_ptr)(const void *src, size_t src_len, char *dst);
41 int (*base64_decode_ptr)(const char *src, size_t src_len,
42 void *dst, const char **end_ptr, int flags);
43} *base64_service;
44
45#ifdef MYSQL_DYNAMIC_PLUGIN
46
47#define my_base64_needed_encoded_length(A) base64_service->base64_needed_encoded_length_ptr(A)
48#define my_base64_encode_max_arg_length() base64_service->base64_encode_max_arg_length_ptr()
49#define my_base64_needed_decoded_length(A) base64_service->base64_needed_decoded_length_ptr(A)
50#define my_base64_decode_max_arg_length() base64_service->base64_decode_max_arg_length_ptr()
51#define my_base64_encode(A,B,C) base64_service->base64_encode_ptr(A,B,C)
52#define my_base64_decode(A,B,C,D,E) base64_service->base64_decode_ptr(A,B,C,D,E)
53
54#else
55
56/* Calculate how much memory needed for dst of my_base64_encode() */
57int my_base64_needed_encoded_length(int length_of_data);
58
59/* Maximum length my_base64_encode_needed_length() can accept with no overflow. */
60int my_base64_encode_max_arg_length(void);
61
62/* Calculate how much memory needed for dst of my_base64_decode() */
63int my_base64_needed_decoded_length(int length_of_encoded_data);
64
65/* Maximum length my_base64_decode_needed_length() can accept with no overflow. */
66int my_base64_decode_max_arg_length();
67
68/* Encode data as a my_base64 string */
69int my_base64_encode(const void *src, size_t src_len, char *dst);
70
71/* Decode a my_base64 string into data */
72int my_base64_decode(const char *src, size_t src_len,
73 void *dst, const char **end_ptr, int flags);
74
75#endif
76
77#ifdef __cplusplus
78}
79#endif
80
81#define MYSQL_SERVICE_BASE64_INCLUDED
82#endif
83