File: client_ed25519.c

package info (click to toggle)
mariadb 1%3A11.8.3-0%2Bdeb13u1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 772,508 kB
  • sloc: ansic: 2,414,714; cpp: 1,791,394; asm: 381,336; perl: 62,905; sh: 49,647; pascal: 40,897; java: 39,363; python: 20,791; yacc: 20,432; sql: 17,907; xml: 12,344; ruby: 8,544; cs: 6,542; makefile: 6,145; ada: 1,879; lex: 1,193; javascript: 996; objc: 80; tcl: 73; awk: 46; php: 22
file content (68 lines) | stat: -rw-r--r-- 2,013 bytes parent folder | download | duplicates (2)
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
/*
   Copyright (c) 2017, MariaDB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#error see libmariadb/plugins/auth/ed25519.c instead
/************************** CLIENT *************************************/

#include <stdlib.h>
#include "common.h"
#include <mysql/client_plugin.h>
#include <errmsg.h>

#if !defined(__attribute__) && !defined(__GNUC__)
#define __attribute__(A)
#endif

static int do_auth(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
{
  unsigned char reply[CRYPTO_BYTES + NONCE_BYTES], *pkt;
  int pkt_len;

  /* read the nonce */
  if ((pkt_len= vio->read_packet(vio, &pkt)) != NONCE_BYTES)
    return CR_SERVER_HANDSHAKE_ERR;

  /* sign the nonce */
  crypto_sign(reply, pkt, NONCE_BYTES,
              (unsigned char*)mysql->passwd, strlen(mysql->passwd));

  /* send the signature */
  if (vio->write_packet(vio, reply, CRYPTO_BYTES))
    return CR_ERROR;

  return CR_OK;
}

static int init_client(char *unused1   __attribute__((unused)),
                       size_t unused2  __attribute__((unused)),
                       int unused3     __attribute__((unused)),
                       va_list unused4 __attribute__((unused)))
{
  return 0;
}

mysql_declare_client_plugin(AUTHENTICATION)
  "client_ed25519",
  "Sergei Golubchik",
  "Elliptic curve ED25519 based authentication",
  {0,1,0},
  "GPL",
  NULL,
  init_client,
  NULL,
  NULL,
  do_auth,
mysql_end_client_plugin;