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https://github.com/MariaDB/server.git
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3914a792d8
* fix incorrect parentheses * if there was no password on the command line or in .cnf file, pkt will be "", and we need to request the user to enter the password
86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
/*
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Copyright (c) 2011, 2018 MariaDB Corporation
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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 02111-1301 USA */
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#include <mysql/plugin_auth.h>
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struct param {
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unsigned char buf[10240], *ptr, *cached;
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int cached_len;
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MYSQL_PLUGIN_VIO *vio;
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};
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static int roundtrip(struct param *param, const unsigned char *buf,
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int buf_len, unsigned char **pkt)
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{
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if (param->cached && *param->cached && (buf[0] >> 1) == 2)
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{
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*pkt= param->cached;
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param->cached= NULL;
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return param->cached_len;
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}
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param->cached= NULL;
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if (param->vio->write_packet(param->vio, buf, buf_len))
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return -1;
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return param->vio->read_packet(param->vio, pkt);
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}
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#include "auth_pam_base.c"
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static int pam_auth(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)
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{
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struct param param;
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param.vio = vio;
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/* no user name yet ? read the client handshake packet with the user name */
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if (info->user_name == 0)
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{
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if ((param.cached_len= vio->read_packet(vio, ¶m.cached)) < 0)
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return CR_ERROR;
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}
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else
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param.cached= NULL;
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return pam_auth_base(¶m, info);
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}
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#include "auth_pam_common.c"
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static int init(void *p __attribute__((unused)))
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{
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if (use_cleartext_plugin)
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info.client_auth_plugin= "mysql_clear_password";
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return 0;
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}
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maria_declare_plugin(pam)
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{
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MYSQL_AUTHENTICATION_PLUGIN,
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&info,
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"pam",
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"Sergei Golubchik",
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"PAM based authentication",
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PLUGIN_LICENSE_GPL,
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init,
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NULL,
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0x0100,
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NULL,
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vars,
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"1.0",
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MariaDB_PLUGIN_MATURITY_STABLE
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}
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maria_declare_plugin_end;
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