78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/*
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Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
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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, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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, version 2.0, 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 02110-1301 USA
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*/
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#ifndef NDB_DIST_PRIV_UTIL_H
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#define NDB_DIST_PRIV_UTIL_H
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class THD;
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class Ndb_dist_priv_util {
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size_t m_iter_curr_table;
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public:
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Ndb_dist_priv_util() { iter_reset(); }
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const char *database() const { return "mysql"; }
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// Iterator for distributed priv tables name
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const char *iter_next_table() {
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static const char *tables[] = {
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"user",
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"db",
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"tables_priv",
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"columns_priv",
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"procs_priv",
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"proxies_priv"
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#ifndef DBUG_OFF
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,
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"mtr__acl_test_table" // For test ndb_ddl.dist_priv_migration
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#endif
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};
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if (m_iter_curr_table >= (sizeof(tables) / sizeof(tables[0]))) return NULL;
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m_iter_curr_table++;
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return tables[m_iter_curr_table - 1];
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}
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// Reset iterator to start at first table name
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void iter_reset() { m_iter_curr_table = 0; }
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// Determine if a given table is a MySQL 5.7 privilege table
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static bool is_privilege_table(const char *db, const char *table) {
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Ndb_dist_priv_util dist_priv;
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if (strcmp(db, dist_priv.database())) {
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return false; // Ignore tables not in dist_priv database
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}
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const char *priv_table_name;
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while ((priv_table_name = dist_priv.iter_next_table())) {
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if (strcmp(table, priv_table_name) == 0) {
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return true;
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}
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}
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return false;
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}
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};
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#endif
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