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| 1 # 2010 February 18 |
| 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 # This file implements regression tests for SQLite library. |
| 12 # |
| 13 # This file implements tests to make sure SQLite does not crash or |
| 14 # segfault if it sees a corrupt database file. It specifcally |
| 15 # focuses on rowid order corruption. |
| 16 # |
| 17 |
| 18 set testdir [file dirname $argv0] |
| 19 source $testdir/tester.tcl |
| 20 |
| 21 # This module uses hard-coded offsets which do not work if the reserved_bytes |
| 22 # value is nonzero. |
| 23 if {[nonzero_reserved_bytes]} {finish_test; return;} |
| 24 |
| 25 # These tests deal with corrupt database files |
| 26 # |
| 27 database_may_be_corrupt |
| 28 |
| 29 # Do not run the tests in this file if ENABLE_OVERSIZE_CELL_CHECK is on. |
| 30 # |
| 31 ifcapable oversize_cell_check { |
| 32 finish_test |
| 33 return |
| 34 } |
| 35 |
| 36 # Construct a compact, dense database for testing. |
| 37 # |
| 38 do_test corruptE-1.1 { |
| 39 execsql { |
| 40 PRAGMA auto_vacuum = 0; |
| 41 PRAGMA legacy_file_format=1; |
| 42 BEGIN; |
| 43 CREATE TABLE t1(x,y); |
| 44 INSERT INTO t1 VALUES(1,1); |
| 45 INSERT OR IGNORE INTO t1 SELECT x*2,y FROM t1; |
| 46 INSERT OR IGNORE INTO t1 SELECT x*3,y FROM t1; |
| 47 INSERT OR IGNORE INTO t1 SELECT x*5,y FROM t1; |
| 48 INSERT OR IGNORE INTO t1 SELECT x*7,y FROM t1; |
| 49 INSERT OR IGNORE INTO t1 SELECT x*11,y FROM t1; |
| 50 INSERT OR IGNORE INTO t1 SELECT x*13,y FROM t1; |
| 51 INSERT OR IGNORE INTO t1 SELECT x*17,y FROM t1; |
| 52 INSERT OR IGNORE INTO t1 SELECT x*19,y FROM t1; |
| 53 CREATE INDEX t1i1 ON t1(x); |
| 54 CREATE TABLE t2 AS SELECT x,2 as y FROM t1 WHERE rowid%5!=0 ORDER BY rowid; |
| 55 COMMIT; |
| 56 } |
| 57 } {} |
| 58 |
| 59 ifcapable {integrityck} { |
| 60 integrity_check corruptE-1.2 |
| 61 } |
| 62 |
| 63 # Setup for the tests. Make a backup copy of the good database in test.bu. |
| 64 # |
| 65 db close |
| 66 forcecopy test.db test.bu |
| 67 sqlite3 db test.db |
| 68 set fsize [file size test.db] |
| 69 |
| 70 |
| 71 do_test corruptE-2.1 { |
| 72 db close |
| 73 forcecopy test.bu test.db |
| 74 |
| 75 # insert corrupt byte(s) |
| 76 hexio_write test.db 2041 [format %02x 0x2e] |
| 77 |
| 78 sqlite3 db test.db |
| 79 |
| 80 catchsql {PRAGMA integrity_check} |
| 81 } {/ out of order/} |
| 82 |
| 83 do_test corruptE-2.2 { |
| 84 db close |
| 85 forcecopy test.bu test.db |
| 86 |
| 87 # insert corrupt byte(s) |
| 88 hexio_write test.db 2047 [format %02x 0x84] |
| 89 |
| 90 sqlite3 db test.db |
| 91 |
| 92 catchsql {PRAGMA integrity_check} |
| 93 } {/ Extends off end of page/} |
| 94 |
| 95 do_test corruptE-2.3 { |
| 96 db close |
| 97 forcecopy test.bu test.db |
| 98 |
| 99 # insert corrupt byte(s) |
| 100 hexio_write test.db 7420 [format %02x 0xa8] |
| 101 hexio_write test.db 10459 [format %02x 0x8d] |
| 102 |
| 103 sqlite3 db test.db |
| 104 |
| 105 catchsql {PRAGMA integrity_check} |
| 106 } {/out of order/} |
| 107 |
| 108 do_test corruptE-2.4 { |
| 109 db close |
| 110 forcecopy test.bu test.db |
| 111 |
| 112 # insert corrupt byte(s) |
| 113 hexio_write test.db 10233 [format %02x 0xd0] |
| 114 |
| 115 sqlite3 db test.db |
| 116 |
| 117 catchsql {PRAGMA integrity_check} |
| 118 } {/out of order/} |
| 119 |
| 120 |
| 121 set tests [list {10233 0xd0} \ |
| 122 {941 0x42} \ |
| 123 {2041 0xd0} \ |
| 124 {2042 0x1f} \ |
| 125 {2274 0x75} \ |
| 126 {3267 0xf2} \ |
| 127 {5113 0x36} \ |
| 128 {10233 0x84} \ |
| 129 {10234 0x74} \ |
| 130 {10239 0x41} \ |
| 131 {11273 0x28} \ |
| 132 {11461 0xe6} \ |
| 133 {12297 0xd7} \ |
| 134 {13303 0x53} ] |
| 135 |
| 136 set tc 1 |
| 137 foreach test $tests { |
| 138 do_test corruptE-3.$tc { |
| 139 db close |
| 140 forcecopy test.bu test.db |
| 141 |
| 142 # insert corrupt byte(s) |
| 143 hexio_write test.db [lindex $test 0] [format %02x [lindex $test 1]] |
| 144 |
| 145 sqlite3 db test.db |
| 146 |
| 147 catchsql {PRAGMA integrity_check} |
| 148 } {/out of order/} |
| 149 incr tc 1 |
| 150 } |
| 151 |
| 152 finish_test |
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