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https://github.com/MariaDB/server.git
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87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/* Copyright (c) 2014, Sergei Golubchik and 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 St, Fifth Floor, Boston, MA 02110-1335 USA */
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#include <my_alloca.h>
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#include <mysql/plugin_password_validation.h>
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#include <crack.h>
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#include <string.h>
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#include <mysqld_error.h>
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static char *dictionary;
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static int crackme(const MYSQL_CONST_LEX_STRING *username,
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const MYSQL_CONST_LEX_STRING *password,
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const MYSQL_CONST_LEX_STRING *hostname)
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{
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char *user= alloca(username->length + 1);
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char *full_name= alloca(hostname->length + username->length + 2);
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const char *res;
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memcpy(user, username->str, username->length);
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user[username->length]= 0;
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memcpy(full_name, username->str, username->length);
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full_name[username->length]= '@';
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memcpy(full_name + username->length + 1, hostname->str, hostname->length);
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full_name[hostname->length+ username->length + 1]= 0;
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if ((res= FascistCheckUser(password->str, dictionary, user, full_name)))
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{
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my_printf_error(ER_NOT_VALID_PASSWORD, "cracklib: %s",
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ME_WARNING, res);
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return 1;
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}
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return 0;
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}
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static MYSQL_SYSVAR_STR(dictionary, dictionary, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
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"Path to a cracklib dictionary", NULL, NULL, 0);
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/* optional user-friendly nicety */
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void set_default_dictionary_path() __attribute__((constructor));
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void set_default_dictionary_path()
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{
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MYSQL_SYSVAR_NAME(dictionary).def_val = GetDefaultCracklibDict();
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}
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static struct st_mysql_sys_var* sysvars[]= {
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MYSQL_SYSVAR(dictionary),
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NULL
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};
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static struct st_mariadb_password_validation info=
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{
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MariaDB_PASSWORD_VALIDATION_INTERFACE_VERSION,
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crackme
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};
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maria_declare_plugin(cracklib_password_check)
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{
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MariaDB_PASSWORD_VALIDATION_PLUGIN,
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&info,
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"cracklib_password_check",
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"Sergei Golubchik",
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"Password validation via CrackLib",
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PLUGIN_LICENSE_GPL,
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NULL,
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NULL,
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0x0100,
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NULL,
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sysvars,
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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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