1# 2019-08-12 2# 3# The author disclaims copyright to this source code. In place of 4# a legal notice, here is a blessing: 5# 6# May you do good and not evil. 7# May you find forgiveness for yourself and forgive others. 8# May you share freely, never taking more than you give. 9# 10#*********************************************************************** 11# 12# Check to ensure that the type, name, and tbl_name fields of the 13# sqlite_master table are validated and errors are reported if they 14# are inconsistent with the sql. 15# 16 17set testdir [file dirname $argv0] 18source $testdir/tester.tcl 19set testprefix corruptM 20 21# These tests deal with corrupt database files 22# 23database_may_be_corrupt 24 25proc open_db2_and_catchsql {sql} { 26 set rc [catch { sqlite3 db2 test.db } msg] 27 if {$rc} { 28 return [list $rc $msg] 29 } 30 set res [catchsql $sql db2] 31 db2 close 32 set res 33} 34 35db close 36forcedelete test.db 37sqlite3 db test.db 38do_execsql_test corruptM-100 { 39 CREATE TABLE t1(a,b,c); 40 INSERT INTO t1 VALUES(111,222,333); 41 CREATE INDEX i1 ON t1(b); 42 CREATE VIEW v2 AS SELECT 15,22; 43 CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN SELECT 5; END; 44 SELECT type, name, tbl_name, '|' FROM sqlite_master; 45} {table t1 t1 | index i1 t1 | view v2 v2 | trigger r1 t1 |} 46do_execsql_test corruptM-101 { 47 PRAGMA writable_schema=on; 48 UPDATE sqlite_master SET tbl_name=NULL WHERE name='t1'; 49 SELECT type, name, tbl_name, '|' FROM sqlite_master; 50} {table t1 {} | index i1 t1 | view v2 v2 | trigger r1 t1 |} 51do_test corruptM-102 { 52 open_db2_and_catchsql { 53 PRAGMA quick_check; 54 } 55} {1 {malformed database schema (t1)}} 56 57do_execsql_test corruptM-110 { 58 UPDATE sqlite_master SET tbl_name='tx' WHERE name='t1'; 59 SELECT type, name, tbl_name, '|' FROM sqlite_master; 60} {table t1 tx | index i1 t1 | view v2 v2 | trigger r1 t1 |} 61do_test corruptM-111 { 62 open_db2_and_catchsql { 63 PRAGMA quick_check; 64 } 65} {1 {malformed database schema (t1)}} 66do_execsql_test corruptM-112 { 67 UPDATE sqlite_master SET tbl_name='t1', type='tabl' WHERE name='t1'; 68 SELECT type, name, tbl_name, '|' FROM sqlite_master; 69} {tabl t1 t1 | index i1 t1 | view v2 v2 | trigger r1 t1 |} 70do_test corruptM-113 { 71 open_db2_and_catchsql { 72 PRAGMA quick_check; 73 } 74} {1 {malformed database schema (t1)}} 75do_execsql_test corruptM-114 { 76 UPDATE sqlite_master SET tbl_name='t9',type='table',name='t9'WHERE name='t1'; 77 SELECT type, name, tbl_name, '|' FROM sqlite_master; 78} {table t9 t9 | index i1 t1 | view v2 v2 | trigger r1 t1 |} 79do_test corruptM-114 { 80 open_db2_and_catchsql { 81 PRAGMA quick_check; 82 } 83} {1 {malformed database schema (t9)}} 84 85do_execsql_test corruptM-120 { 86 UPDATE sqlite_master SET name='t1',tbl_name='T1' WHERE name='t9'; 87 SELECT type, name, tbl_name, '|' FROM sqlite_master; 88} {table t1 T1 | index i1 t1 | view v2 v2 | trigger r1 t1 |} 89do_test corruptM-121 { 90 open_db2_and_catchsql { 91 PRAGMA quick_check; 92 SELECT * FROM t1, v2; 93 } 94} {0 {ok 111 222 333 15 22}} 95 96do_execsql_test corruptM-130 { 97 UPDATE sqlite_master SET type='view' WHERE name='t1'; 98 SELECT type, name, tbl_name, '|' FROM sqlite_master; 99} {view t1 T1 | index i1 t1 | view v2 v2 | trigger r1 t1 |} 100do_test corruptM-131 { 101 open_db2_and_catchsql { 102 PRAGMA quick_check; 103 SELECT * FROM t1, v2; 104 } 105} {1 {malformed database schema (t1)}} 106 107do_execsql_test corruptM-140 { 108 UPDATE sqlite_master SET type='table', tbl_name='t1' WHERE name='t1'; 109 UPDATE sqlite_master SET tbl_name='tx' WHERE name='i1'; 110 SELECT type, name, tbl_name, '|' FROM sqlite_master; 111} {table t1 t1 | index i1 tx | view v2 v2 | trigger r1 t1 |} 112do_test corruptM-141 { 113 open_db2_and_catchsql { 114 PRAGMA quick_check; 115 SELECT * FROM t1, v2; 116 } 117} {1 {malformed database schema (i1)}} 118 119do_execsql_test corruptM-150 { 120 UPDATE sqlite_master SET type='table', tbl_name='t1' WHERE name='i1'; 121 SELECT type, name, tbl_name, '|' FROM sqlite_master; 122} {table t1 t1 | table i1 t1 | view v2 v2 | trigger r1 t1 |} 123do_test corruptM-151 { 124 open_db2_and_catchsql { 125 PRAGMA quick_check; 126 SELECT * FROM t1, v2; 127 } 128} {1 {malformed database schema (i1)}} 129 130do_execsql_test corruptM-160 { 131 UPDATE sqlite_master SET type='view', tbl_name='t1' WHERE name='i1'; 132 SELECT type, name, tbl_name, '|' FROM sqlite_master; 133} {table t1 t1 | view i1 t1 | view v2 v2 | trigger r1 t1 |} 134do_test corruptM-161 { 135 open_db2_and_catchsql { 136 PRAGMA quick_check; 137 SELECT * FROM t1, v2; 138 } 139} {1 {malformed database schema (i1)}} 140 141do_execsql_test corruptM-170 { 142 UPDATE sqlite_master SET type='index', tbl_name='t1' WHERE name='i1'; 143 UPDATE sqlite_master SET type='table', tbl_name='v2' WHERE name='v2'; 144 SELECT type, name, tbl_name, '|' FROM sqlite_master; 145} {table t1 t1 | index i1 t1 | table v2 v2 | trigger r1 t1 |} 146do_test corruptM-171 { 147 open_db2_and_catchsql { 148 PRAGMA quick_check; 149 SELECT * FROM t1, v2; 150 } 151} {1 {malformed database schema (v2)}} 152 153do_execsql_test corruptM-180 { 154 UPDATE sqlite_master SET type='view',name='v3',tbl_name='v3' WHERE name='v2'; 155 SELECT type, name, tbl_name, '|' FROM sqlite_master; 156} {table t1 t1 | index i1 t1 | view v3 v3 | trigger r1 t1 |} 157do_test corruptM-181 { 158 open_db2_and_catchsql { 159 PRAGMA quick_check; 160 SELECT * FROM t1, v2; 161 } 162} {1 {malformed database schema (v3)}} 163 164do_execsql_test corruptM-190 { 165 UPDATE sqlite_master SET type='view',name='v2',tbl_name='v2' WHERE name='v3'; 166 UPDATE sqlite_master SET type='view' WHERE name='r1'; 167 SELECT type, name, tbl_name, '|' FROM sqlite_master; 168} {table t1 t1 | index i1 t1 | view v2 v2 | view r1 t1 |} 169do_test corruptM-191 { 170 open_db2_and_catchsql { 171 PRAGMA quick_check; 172 SELECT * FROM t1, v2; 173 } 174} {1 {malformed database schema (r1)}} 175do_execsql_test corruptM-192 { 176 UPDATE sqlite_master SET type='trigger',tbl_name='v2' WHERE name='r1'; 177 SELECT type, name, tbl_name, '|' FROM sqlite_master; 178} {table t1 t1 | index i1 t1 | view v2 v2 | trigger r1 v2 |} 179do_test corruptM-193 { 180 open_db2_and_catchsql { 181 PRAGMA quick_check; 182 SELECT * FROM t1, v2; 183 } 184} {1 {malformed database schema (r1)}} 185 186finish_test 187