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Overview
| Comment: | Improve detection of out-of-range parameters in sqlite3_stmt_status() for SQLITE_ENABLE_API_ARMOR builds. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | 21ecbce1378f3cc4b1051628b8c1580b |
| User & Date: | dan 2018-03-14 08:27:39 |
References
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2018-03-14
| ||
| 15:06 | Disable one of the test cases from check-in [21ecbce1378f3cc4] when API_ARMOR is not enabled. check-in: 8fb23d42 user: drh tags: trunk | |
Context
|
2018-03-14
| ||
| 15:06 | Disable one of the test cases from check-in [21ecbce1378f3cc4] when API_ARMOR is not enabled. check-in: 8fb23d42 user: drh tags: trunk | |
| 14:53 | Add the SQLITE_DBSTATUS_CACHE_SPILL option to sqlite3_db_status() Closed-Leaf check-in: 3faeb851 user: drh tags: dbstatus-cache-spill | |
| 08:27 | Improve detection of out-of-range parameters in sqlite3_stmt_status() for SQLITE_ENABLE_API_ARMOR builds. check-in: 21ecbce1 user: dan tags: trunk | |
|
2018-03-12
| ||
| 21:09 | Fix a typo causing SQLITE_LOG_CACHE_SPILL builds to fail. check-in: 0171d4a7 user: dan tags: trunk | |
Changes
Changes to src/vdbeapi.c.
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/*
** Return the value of a status counter for a prepared statement
*/
int sqlite3_stmt_status(sqlite3_stmt *pStmt, int op, int resetFlag){
Vdbe *pVdbe = (Vdbe*)pStmt;
u32 v;
#ifdef SQLITE_ENABLE_API_ARMOR
if( !pStmt ){
(void)SQLITE_MISUSE_BKPT;
return 0;
}
#endif
if( op==SQLITE_STMTSTATUS_MEMUSED ){
sqlite3 *db = pVdbe->db;
sqlite3_mutex_enter(db->mutex);
|
| > > |
1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 |
/*
** Return the value of a status counter for a prepared statement
*/
int sqlite3_stmt_status(sqlite3_stmt *pStmt, int op, int resetFlag){
Vdbe *pVdbe = (Vdbe*)pStmt;
u32 v;
#ifdef SQLITE_ENABLE_API_ARMOR
if( !pStmt
|| (op!=SQLITE_STMTSTATUS_MEMUSED && (op<0||op>=ArraySize(pVdbe->aCounter)))
){
(void)SQLITE_MISUSE_BKPT;
return 0;
}
#endif
if( op==SQLITE_STMTSTATUS_MEMUSED ){
sqlite3 *db = pVdbe->db;
sqlite3_mutex_enter(db->mutex);
|
Changes to test/dbstatus.test.
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do_cacheused_test 4.2.3 db2 { 4568 4568 }
sqlite3 db file:test.db?cache=shared
do_cacheused_test 4.2.4 db2 { 4568 2284 }
db2 close
}
}
finish_test
|
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do_cacheused_test 4.2.3 db2 { 4568 4568 }
sqlite3 db file:test.db?cache=shared
do_cacheused_test 4.2.4 db2 { 4568 2284 }
db2 close
}
}
#-------------------------------------------------------------------------
# Test that passing an out-of-range value to sqlite3_stmt_status does
# not cause a crash.
reset_db
do_execsql_test 5.0 {
CREATE TABLE t1(x, y);
INSERT INTO t1 VALUES(1, 2);
INSERT INTO t1 VALUES(3, 4);
}
do_test 5.1 {
set ::stmt [sqlite3_prepare db "SELECT * FROM t1" -1 dummy]
sqlite3_step $::stmt
sqlite3_step $::stmt
sqlite3_step $::stmt
sqlite3_reset $::stmt
} {SQLITE_OK}
do_test 5.2 { sqlite3_stmt_status $::stmt -1 0 } 0
do_test 5.3 { sqlite3_stmt_status $::stmt 7 0 } 0
do_test 5.4 {
expr [sqlite3_stmt_status $::stmt 99 0]>0
} 1
foreach {tn id res} {
1 SQLITE_STMTSTATUS_MEMUSED 1
2 SQLITE_STMTSTATUS_FULLSCAN_STEP 1
3 SQLITE_STMTSTATUS_SORT 0
4 SQLITE_STMTSTATUS_AUTOINDEX 0
5 SQLITE_STMTSTATUS_VM_STEP 1
6 SQLITE_STMTSTATUS_REPREPARE 0
7 SQLITE_STMTSTATUS_RUN 1
} {
if {$tn==2} breakpoint
do_test 5.5.$tn { expr [sqlite3_stmt_status $::stmt $id 0]>0 } $res
}
sqlite3_finalize $::stmt
finish_test
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