1 /* 2 Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License, version 2.0, 6 as published by the Free Software Foundation. 7 8 This program is also distributed with certain software (including 9 but not limited to OpenSSL) that is licensed under separate terms, 10 as designated in a particular file or component or in included license 11 documentation. The authors of MySQL hereby grant you an additional 12 permission to link the program and your derivative works with the 13 separately licensed software that they have included with MySQL. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License, version 2.0, for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 23 */ 24 25 #ifndef NDB_DIST_PRIV_UTIL_H 26 #define NDB_DIST_PRIV_UTIL_H 27 28 class Ndb_dist_priv_util { 29 size_t m_iter_curr_table; 30 public: Ndb_dist_priv_util()31 Ndb_dist_priv_util() 32 { 33 iter_reset(); 34 } 35 database()36 const char* database() const { return "mysql"; } 37 38 // Iterator for distributed priv tables name iter_next_table()39 const char* iter_next_table() 40 { 41 static const char* tables[] = 42 { "user", "db", "tables_priv", "columns_priv", "procs_priv", "host", 43 "proxies_priv" }; 44 45 if (m_iter_curr_table >= (sizeof(tables) / sizeof(tables[0]))) 46 return NULL; 47 m_iter_curr_table++; 48 return tables[m_iter_curr_table-1]; 49 } 50 51 // Reset iterator to start at first table name iter_reset()52 void iter_reset() { m_iter_curr_table = 0; } 53 54 // Determine if a given table name is in the list 55 // of distributed priv tables 56 static 57 bool is_distributed_priv_table(const char * db,const char * table)58 is_distributed_priv_table(const char *db, const char *table) 59 { 60 Ndb_dist_priv_util dist_priv; 61 if (strcmp(db, dist_priv.database())) 62 { 63 return false; // Ignore tables not in dist_priv database 64 } 65 const char* priv_table_name; 66 while((priv_table_name= dist_priv.iter_next_table())) 67 { 68 if (strcmp(table, priv_table_name) == 0) 69 { 70 return true; 71 } 72 } 73 return false; 74 } 75 76 }; 77 78 #endif 79