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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
commita175314c3e5827eb193872241446f2f8f5c9d33c (patch)
treecd3d60ca99ae00829c52a6ca79150a5b6e62528b /sql/grant.cc
parentInitial commit. (diff)
downloadmariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.tar.xz
mariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.zip
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sql/grant.cc')
-rw-r--r--sql/grant.cc108
1 files changed, 108 insertions, 0 deletions
diff --git a/sql/grant.cc b/sql/grant.cc
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+/*
+ Copyright (c) 2009, 2020, MariaDB Corporation
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
+
+#include "mariadb.h"
+#include "sql_acl.h"
+
+
+bool Grant_privilege::add_column_privilege(THD *thd,
+ const Lex_ident_sys &name,
+ privilege_t which_grant)
+{
+ String *new_str= new (thd->mem_root) String((const char*) name.str,
+ name.length,
+ system_charset_info);
+ if (unlikely(new_str == NULL))
+ return true;
+ List_iterator <LEX_COLUMN> iter(m_columns);
+ class LEX_COLUMN *point;
+ while ((point=iter++))
+ {
+ if (!my_strcasecmp(system_charset_info,
+ point->column.c_ptr(), new_str->c_ptr()))
+ break;
+ }
+ m_column_privilege_total|= which_grant;
+ if (point)
+ {
+ point->rights |= which_grant;
+ return false;
+ }
+
+ LEX_COLUMN *col= new (thd->mem_root) LEX_COLUMN(*new_str, which_grant);
+ if (unlikely(col == NULL))
+ return true;
+ return m_columns.push_back(col, thd->mem_root);
+}
+
+
+bool Grant_privilege::add_column_list_privilege(THD *thd,
+ List<Lex_ident_sys> &list,
+ privilege_t privilege)
+{
+ Lex_ident_sys *col;
+ List_iterator<Lex_ident_sys> it(list);
+ while ((col= it++))
+ {
+ if (add_column_privilege(thd, *col, privilege))
+ return true;
+ }
+ return false;
+}
+
+
+privilege_t Grant_object_name::all_privileges_by_type() const
+{
+ switch (m_type) {
+ case STAR: return DB_ACLS & ~GRANT_ACL;
+ case IDENT_STAR: return DB_ACLS & ~GRANT_ACL;
+ case STAR_STAR: return GLOBAL_ACLS & ~GRANT_ACL;
+ case TABLE_IDENT: return TABLE_ACLS & ~GRANT_ACL;
+ }
+ return NO_ACL;
+}
+
+
+bool Grant_privilege::set_object_name(THD *thd,
+ const Grant_object_name &ident,
+ SELECT_LEX *sel,
+ privilege_t with_grant_option)
+{
+ DBUG_ASSERT(!m_all_privileges || !m_columns.elements);
+
+ m_db= ident.m_db;
+ if (m_all_privileges)
+ m_object_privilege= ident.all_privileges_by_type();
+ m_object_privilege|= with_grant_option;
+ switch (ident.m_type)
+ {
+ case Lex_grant_object_name::STAR:
+ case Lex_grant_object_name::IDENT_STAR:
+ case Lex_grant_object_name::STAR_STAR:
+ if (!m_all_privileges && m_columns.elements)
+ {
+ // e.g. GRANT SELECT (a) ON db.*
+ my_error(ER_ILLEGAL_GRANT_FOR_TABLE, MYF(0));
+ return true;
+ }
+ return false;
+ case Lex_grant_object_name::TABLE_IDENT:
+ m_db= ident.m_table_ident->db;
+ return !sel->add_table_to_list(thd, ident.m_table_ident,
+ NULL, TL_OPTION_UPDATING);
+ }
+ return false; // Make gcc happy
+}