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path: root/mysql-test/main/opt_trace_security.result
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create database db1;
use db1;
create table t1(a int);
insert into t1 values (1),(2),(3);
create table t2(a int);
CREATE USER 'foo'@'%';
CREATE USER 'bar'@'%';
create definer=foo SQL SECURITY definer view db1.v1 as select * from db1.t1;
create definer=foo function f1 (a int) returns INT SQL SECURITY DEFINER
BEGIN
insert into t2 select * from t1; 
return a+1;
END|
set optimizer_trace="enabled=on";
select * from db1.t1;
ERROR 42000: SELECT command denied to user 'foo'@'localhost' for table 't1'
select * from information_schema.OPTIMIZER_TRACE;
QUERY	TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE	INSUFFICIENT_PRIVILEGES
		0	1
set optimizer_trace="enabled=off";
grant select(a)  on db1.t1 to 'foo'@'%';
set optimizer_trace="enabled=on";
select * from db1.t1;
a
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# INSUFFICIENT PRIVILEGES should be set to 1 
# Trace and Query should be empty
# We need SELECT privilege on the table db1.t1;
select * from information_schema.OPTIMIZER_TRACE;
QUERY	TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE	INSUFFICIENT_PRIVILEGES
		0	1
set optimizer_trace="enabled=off";
select * from information_schema.OPTIMIZER_TRACE;
QUERY	TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE	INSUFFICIENT_PRIVILEGES
grant select  on db1.t1 to 'foo'@'%';
grant select  on db1.t2 to 'foo'@'%';
set optimizer_trace="enabled=on";
#
# SELECT privilege on the table db1.t1
# The trace would be present.
#
select * from db1.t1;
a
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select * from information_schema.OPTIMIZER_TRACE;
QUERY	TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE	INSUFFICIENT_PRIVILEGES
select * from db1.t1	{
  "steps": [
    {
      "join_preparation": {
        "select_id": 1,
        "steps": [
          {
            "expanded_query": "select db1.t1.a AS a from t1"
          }
        ]
      }
    },
    {
      "join_optimization": {
        "select_id": 1,
        "steps": [
          {
            "table_dependencies": [
              {
                "table": "t1",
                "row_may_be_null": false,
                "map_bit": 0,
                "depends_on_map_bits": []
              }
            ]
          },
          {
            "rows_estimation": [
              {
                "table": "t1",
                "table_scan": {
                  "rows": 3,
                  "cost": 2.0051
                }
              }
            ]
          },
          {
            "considered_execution_plans": [
              {
                "plan_prefix": [],
                "table": "t1",
                "best_access_path": {
                  "considered_access_paths": [
                    {
                      "access_type": "scan",
                      "resulting_rows": 3,
                      "cost": 2.0051,
                      "chosen": true
                    }
                  ],
                  "chosen_access_method": {
                    "type": "scan",
                    "records": 3,
                    "cost": 2.0051,
                    "uses_join_buffering": false
                  }
                },
                "rows_for_plan": 3,
                "cost_for_plan": 2.6051,
                "estimated_join_cardinality": 3
              }
            ]
          },
          {
            "best_join_order": ["t1"]
          },
          {
            "attaching_conditions_to_tables": {
              "original_condition": null,
              "attached_conditions_computation": [],
              "attached_conditions_summary": [
                {
                  "table": "t1",
                  "attached": null
                }
              ]
            }
          }
        ]
      }
    },
    {
      "join_execution": {
        "select_id": 1,
        "steps": []
      }
    }
  ]
}	0	0
set optimizer_trace="enabled=off";
grant select  on db1.v1 to 'foo'@'%';
grant show view  on db1.v1 to 'foo'@'%';
grant select  on db1.v1 to 'bar'@'%';
grant show view  on db1.v1 to 'bar'@'%';
select current_user();
current_user()
foo@%
set optimizer_trace="enabled=on";
select * from db1.v1;
a
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select * from information_schema.OPTIMIZER_TRACE;
QUERY	TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE	INSUFFICIENT_PRIVILEGES
select * from db1.v1	{
  "steps": [
    {
      "join_preparation": {
        "select_id": 1,
        "steps": [
          {
            "view": {
              "table": "v1",
              "select_id": 2,
              "algorithm": "merged"
            }
          },
          {
            "join_preparation": {
              "select_id": 2,
              "steps": [
                {
                  "expanded_query": "/* select#2 */ select db1.t1.a AS a from t1"
                }
              ]
            }
          },
          {
            "expanded_query": "/* select#1 */ select db1.t1.a AS a from v1"
          }
        ]
      }
    },
    {
      "join_optimization": {
        "select_id": 1,
        "steps": [
          {
            "table_dependencies": [
              {
                "table": "t1",
                "row_may_be_null": false,
                "map_bit": 0,
                "depends_on_map_bits": []
              }
            ]
          },
          {
            "rows_estimation": [
              {
                "table": "t1",
                "table_scan": {
                  "rows": 3,
                  "cost": 2.0051
                }
              }
            ]
          },
          {
            "considered_execution_plans": [
              {
                "plan_prefix": [],
                "table": "t1",
                "best_access_path": {
                  "considered_access_paths": [
                    {
                      "access_type": "scan",
                      "resulting_rows": 3,
                      "cost": 2.0051,
                      "chosen": true
                    }
                  ],
                  "chosen_access_method": {
                    "type": "scan",
                    "records": 3,
                    "cost": 2.0051,
                    "uses_join_buffering": false
                  }
                },
                "rows_for_plan": 3,
                "cost_for_plan": 2.6051,
                "estimated_join_cardinality": 3
              }
            ]
          },
          {
            "best_join_order": ["t1"]
          },
          {
            "attaching_conditions_to_tables": {
              "original_condition": null,
              "attached_conditions_computation": [],
              "attached_conditions_summary": [
                {
                  "table": "t1",
                  "attached": null
                }
              ]
            }
          }
        ]
      }
    },
    {
      "join_execution": {
        "select_id": 1,
        "steps": []
      }
    }
  ]
}	0	0
set optimizer_trace="enabled=off";
select current_user();
current_user()
bar@%
set optimizer_trace="enabled=on";
select * from db1.v1;
a
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#
# INSUFFICIENT PRIVILEGES should be set to 1 
# Trace and Query should be empty
# Privileges for the underlying tables of the
# view should also be present for the current user
#
select * from information_schema.OPTIMIZER_TRACE;
QUERY	TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE	INSUFFICIENT_PRIVILEGES
		0	1
set optimizer_trace="enabled=off";
grant execute on function db1.f1 to 'foo'@'%';
grant execute on function db1.f1 to 'bar'@'%';
grant select  on db1.t1 to 'bar'@'%';
grant insert  on db1.t2 to 'foo'@'%';
select current_user();
current_user()
foo@%
set optimizer_trace="enabled=on";
select db1.f1(a) from db1.t1;
db1.f1(a)
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select INSUFFICIENT_PRIVILEGES from information_schema.OPTIMIZER_TRACE;
INSUFFICIENT_PRIVILEGES
0
set optimizer_trace="enabled=off";
select current_user();
current_user()
bar@%
set optimizer_trace="enabled=on";
#
# The trace should be empty, because the current user
# does not have INSERT privilege for table t2 which is
# used in the function f1
#
select db1.f1(a) from db1.t1;
db1.f1(a)
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select * from information_schema.OPTIMIZER_TRACE;
QUERY	TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE	INSUFFICIENT_PRIVILEGES
		0	1
set optimizer_trace="enabled=off";
select current_user();
current_user()
root@localhost
REVOKE ALL PRIVILEGES, GRANT OPTION FROM foo;
drop user if exists foo;
drop user if exists bar;
drop table db1.t1, db1.t2;
drop database db1;
# 
# Privilege checking for optimizer trace across connections
# 
connection default;
create database db1;
use db1;
create table t1(a int);
insert into t1 values (1),(2),(3);
create table t2(a int);
CREATE USER 'foo'@'localhost';
CREATE USER 'bar'@'localhost';
grant all on *.* to foo@localhost with grant option;
grant all on *.* to bar@localhost with grant option;
connect  con_foo,localhost, foo,, db1;
connection default;
connect  con_bar,localhost, bar,, db1;
connection default;
create definer=foo@localhost SQL SECURITY definer view db1.v1 as select * from db1.t1;
create function f1 (a int) returns INT SQL SECURITY DEFINER 
BEGIN
insert into t2 select * from t1;
return a+1;
END|
grant execute on function f1 to bar@localhost;
connection con_foo;
set optimizer_trace='enabled=on';
select * from db1.t1;
a
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#
# Test that security context changes are allowed when, and only
# when, invoker has all global privileges.
#
select query, INSUFFICIENT_PRIVILEGES from information_schema.OPTIMIZER_TRACE;
query	INSUFFICIENT_PRIVILEGES
select * from db1.t1	0
set optimizer_trace='enabled=off';
connection con_bar;
set optimizer_trace='enabled=on';
select f1(a) from db1.t1;
f1(a)
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select query, INSUFFICIENT_PRIVILEGES from information_schema.OPTIMIZER_TRACE;
query	INSUFFICIENT_PRIVILEGES
select f1(a) from db1.t1	0
set optimizer_trace='enabled=off';
connection default;
revoke shutdown on *.* from foo@localhost;
disconnect con_foo;
connect  con_foo, localhost, foo,, db1;
connection con_foo;
set optimizer_trace='enabled=on';
select f1(a) from db1.t1;
f1(a)
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#
# Test to check if invoker has all global privileges or not, only then
# the security context changes are allowed. The user has been revoked
# shutdown privilege so INSUFFICIENT PRIVILEGES should be set to 1.
#
select query, INSUFFICIENT_PRIVILEGES from information_schema.OPTIMIZER_TRACE;
query	INSUFFICIENT_PRIVILEGES
	1
set optimizer_trace='enabled=off';
connection default;
select current_user();
current_user()
root@localhost
select * from db1.v1;
a
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drop user foo@localhost, bar@localhost;
drop view db1.v1;
drop table db1.t1;
drop database db1;
set optimizer_trace="enabled=off";