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68 lines
2 KiB
C
68 lines
2 KiB
C
/*
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Copyright (c) 2017, MariaDB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
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#error see libmariadb/plugins/auth/ed25519.c instead
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/************************** CLIENT *************************************/
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#include <stdlib.h>
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#include "common.h"
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#include <mysql/client_plugin.h>
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#include <errmsg.h>
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#if !defined(__attribute__) && !defined(__GNUC__)
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#define __attribute__(A)
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#endif
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static int do_auth(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
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{
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unsigned char reply[CRYPTO_BYTES + NONCE_BYTES], *pkt;
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int pkt_len;
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/* read the nonce */
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if ((pkt_len= vio->read_packet(vio, &pkt)) != NONCE_BYTES)
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return CR_SERVER_HANDSHAKE_ERR;
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/* sign the nonce */
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crypto_sign(reply, pkt, NONCE_BYTES,
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(unsigned char*)mysql->passwd, strlen(mysql->passwd));
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/* send the signature */
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if (vio->write_packet(vio, reply, CRYPTO_BYTES))
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return CR_ERROR;
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return CR_OK;
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}
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static int init_client(char *unused1 __attribute__((unused)),
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size_t unused2 __attribute__((unused)),
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int unused3 __attribute__((unused)),
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va_list unused4 __attribute__((unused)))
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{
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return 0;
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}
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mysql_declare_client_plugin(AUTHENTICATION)
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"client_ed25519",
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"Sergei Golubchik",
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"Elliptic curve ED25519 based authentication",
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{0,1,0},
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"GPL",
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NULL,
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init_client,
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NULL,
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NULL,
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do_auth,
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mysql_end_client_plugin;
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