1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/************************************************************************************
Copyright (C) 2017-2019 MariaDB Corporation AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not see <http://www.gnu.org/licenses>
or write to the Free Software Foundation, Inc.,
51 Franklin St., Fifth Floor, Boston, MA 02110, USA
*************************************************************************************/
#ifndef _WIN32
#define _GNU_SOURCE 1
#endif
#ifdef HAVE_WINCRYPT
#undef HAVE_OPENSSL
#undef HAVE_GNUTLS
#endif
#if defined(HAVE_OPENSSL) || defined(HAVE_WINCRYPT) || defined(HAVE_GNUTLS)
#include <ma_global.h>
#include <mysql.h>
#include <mysql/client_plugin.h>
#include <string.h>
#include <memory.h>
#include <errmsg.h>
#include <ma_global.h>
#include <ma_sys.h>
#include <ma_common.h>
#ifndef WIN32
#include <dlfcn.h>
#endif
#if defined(HAVE_WINCRYPT)
#include <windows.h>
#include <wincrypt.h>
#include <bcrypt.h>
#elif defined(HAVE_OPENSSL)
#include <openssl/rsa.h>
#include <openssl/pem.h>
#include <openssl/err.h>
#elif defined(HAVE_GNUTLS)
#include <gnutls/gnutls.h>
#endif
#include <ref10/api.h>
#include <ed25519_common.h>
#include <ma_crypt.h>
/* function prototypes */
static int auth_ed25519_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql);
static int auth_ed25519_deinit(void);
static int auth_ed25519_init(char *unused1,
size_t unused2,
int unused3,
va_list);
#ifndef PLUGIN_DYNAMIC
struct st_mysql_client_plugin_AUTHENTICATION client_ed25519_client_plugin=
#else
struct st_mysql_client_plugin_AUTHENTICATION _mysql_client_plugin_declaration_ =
#endif
{
MYSQL_CLIENT_AUTHENTICATION_PLUGIN,
MYSQL_CLIENT_AUTHENTICATION_PLUGIN_INTERFACE_VERSION,
"client_ed25519",
"Sergei Golubchik, Georg Richter",
"Ed25519 Authentication Plugin",
{0,1,0},
"LGPL",
NULL,
auth_ed25519_init,
auth_ed25519_deinit,
NULL,
auth_ed25519_client
};
static int auth_ed25519_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
{
unsigned char *packet,
signature[CRYPTO_BYTES + NONCE_BYTES];
int pkt_len;
/*
Step 1: Server sends nonce
Step 2: check that packet length is equal to NONCE_BYTES (=32)
Step 3: Sign the nonce with password
Steo 4: Send the signature back to server
*/
/* read and check nonce */
pkt_len= vio->read_packet(vio, &packet);
if (pkt_len != NONCE_BYTES)
return CR_SERVER_HANDSHAKE_ERR;
/* Sign nonce: the crypto_sign function is part of ref10 */
ma_crypto_sign(signature, packet, NONCE_BYTES, (unsigned char*)mysql->passwd, strlen(mysql->passwd));
/* send signature to server */
if (vio->write_packet(vio, signature, CRYPTO_BYTES))
return CR_ERROR;
return CR_OK;
}
/* }}} */
/* {{{ static int auth_ed25519_init */
static int auth_ed25519_init(char *unused1 __attribute__((unused)),
size_t unused2 __attribute__((unused)),
int unused3 __attribute__((unused)),
va_list unused4 __attribute__((unused)))
{
return 0;
}
/* }}} */
/* {{{ auth_ed25519_deinit */
static int auth_ed25519_deinit(void)
{
return 0;
}
/* }}} */
#endif /* defined(HAVE_OPENSSL) || defined(HAVE_WINCRYPT) || defined(HAVE_GNUTLS)*/
|
