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Issue 3108030: Move bundled copy of sqlite one level deeper to better separate it... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 10 years, 4 months ago
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1 # 2004 August 30
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.
15 #
16 # $Id: corrupt2.test,v 1.20 2009/04/06 17:50:03 danielk1977 Exp $
17
18 set testdir [file dirname $argv0]
19 source $testdir/tester.tcl
20
21 # The following tests - corrupt2-1.* - create some databases corrupted in
22 # specific ways and ensure that SQLite detects them as corrupt.
23 #
24 do_test corrupt2-1.1 {
25 execsql {
26 PRAGMA auto_vacuum=0;
27 PRAGMA page_size=1024;
28 CREATE TABLE abc(a, b, c);
29 }
30 } {}
31
32 do_test corrupt2-1.2 {
33
34 # Corrupt the 16 byte magic string at the start of the file
35 file delete -force corrupt.db
36 file delete -force corrupt.db-journal
37 copy_file test.db corrupt.db
38 set f [open corrupt.db RDWR]
39 seek $f 8 start
40 puts $f blah
41 close $f
42
43 sqlite3 db2 corrupt.db
44 catchsql {
45 SELECT * FROM sqlite_master;
46 } db2
47 } {1 {file is encrypted or is not a database}}
48
49 do_test corrupt2-1.3 {
50 db2 close
51
52 # Corrupt the page-size (bytes 16 and 17 of page 1).
53 file delete -force corrupt.db
54 file delete -force corrupt.db-journal
55 copy_file test.db corrupt.db
56 set f [open corrupt.db RDWR]
57 fconfigure $f -encoding binary
58 seek $f 16 start
59 puts -nonewline $f "\x00\xFF"
60 close $f
61
62 sqlite3 db2 corrupt.db
63 catchsql {
64 SELECT * FROM sqlite_master;
65 } db2
66 } {1 {file is encrypted or is not a database}}
67
68 do_test corrupt2-1.4 {
69 db2 close
70
71 # Corrupt the free-block list on page 1.
72 file delete -force corrupt.db
73 file delete -force corrupt.db-journal
74 copy_file test.db corrupt.db
75 set f [open corrupt.db RDWR]
76 fconfigure $f -encoding binary
77 seek $f 101 start
78 puts -nonewline $f "\xFF\xFF"
79 close $f
80
81 sqlite3 db2 corrupt.db
82 catchsql {
83 SELECT * FROM sqlite_master;
84 } db2
85 } {1 {database disk image is malformed}}
86
87 do_test corrupt2-1.5 {
88 db2 close
89
90 # Corrupt the free-block list on page 1.
91 file delete -force corrupt.db
92 file delete -force corrupt.db-journal
93 copy_file test.db corrupt.db
94 set f [open corrupt.db RDWR]
95 fconfigure $f -encoding binary
96 seek $f 101 start
97 puts -nonewline $f "\x00\xC8"
98 seek $f 200 start
99 puts -nonewline $f "\x00\x00"
100 puts -nonewline $f "\x10\x00"
101 close $f
102
103 sqlite3 db2 corrupt.db
104 catchsql {
105 SELECT * FROM sqlite_master;
106 } db2
107 } {1 {database disk image is malformed}}
108 db2 close
109
110 # Corrupt a database by having 2 indices of the same name:
111 do_test corrupt2-2.1 {
112
113 file delete -force corrupt.db
114 file delete -force corrupt.db-journal
115 copy_file test.db corrupt.db
116
117 sqlite3 db2 corrupt.db
118 execsql {
119 CREATE INDEX a1 ON abc(a);
120 CREATE INDEX a2 ON abc(b);
121 PRAGMA writable_schema = 1;
122 UPDATE sqlite_master
123 SET name = 'a3', sql = 'CREATE INDEX a3' || substr(sql, 16, 10000)
124 WHERE type = 'index';
125 PRAGMA writable_schema = 0;
126 } db2
127
128 db2 close
129 sqlite3 db2 corrupt.db
130 catchsql {
131 SELECT * FROM sqlite_master;
132 } db2
133 } {1 {malformed database schema (a3) - index a3 already exists}}
134
135 db2 close
136
137 do_test corrupt2-3.1 {
138 file delete -force corrupt.db
139 file delete -force corrupt.db-journal
140 sqlite3 db2 corrupt.db
141
142 execsql {
143 PRAGMA auto_vacuum = 1;
144 PRAGMA page_size = 1024;
145 CREATE TABLE t1(a, b, c);
146 CREATE TABLE t2(a, b, c);
147 INSERT INTO t2 VALUES(randomblob(100), randomblob(100), randomblob(100));
148 INSERT INTO t2 SELECT * FROM t2;
149 INSERT INTO t2 SELECT * FROM t2;
150 INSERT INTO t2 SELECT * FROM t2;
151 INSERT INTO t2 SELECT * FROM t2;
152 } db2
153
154 db2 close
155
156 # On the root page of table t2 (page 4), set one of the child page-numbers
157 # to 0. This corruption will be detected when SQLite attempts to update
158 # the pointer-map after moving the content of page 4 to page 3 as part
159 # of the DROP TABLE operation below.
160 #
161 set fd [open corrupt.db r+]
162 fconfigure $fd -encoding binary -translation binary
163 seek $fd [expr 1024*3 + 12]
164 set zCelloffset [read $fd 2]
165 binary scan $zCelloffset S iCelloffset
166 seek $fd [expr 1024*3 + $iCelloffset]
167 puts -nonewline $fd "\00\00\00\00"
168 close $fd
169
170 sqlite3 db2 corrupt.db
171 catchsql {
172 DROP TABLE t1;
173 } db2
174 } {1 {database disk image is malformed}}
175
176 do_test corrupt2-4.1 {
177 catchsql {
178 SELECT * FROM t2;
179 } db2
180 } {1 {database disk image is malformed}}
181
182 db2 close
183
184 unset -nocomplain result
185 do_test corrupt2-5.1 {
186 file delete -force corrupt.db
187 file delete -force corrupt.db-journal
188 sqlite3 db2 corrupt.db
189
190 execsql {
191 PRAGMA auto_vacuum = 0;
192 PRAGMA page_size = 1024;
193 CREATE TABLE t1(a, b, c);
194 CREATE TABLE t2(a, b, c);
195 INSERT INTO t2 VALUES(randomblob(100), randomblob(100), randomblob(100));
196 INSERT INTO t2 SELECT * FROM t2;
197 INSERT INTO t2 SELECT * FROM t2;
198 INSERT INTO t2 SELECT * FROM t2;
199 INSERT INTO t2 SELECT * FROM t2;
200 INSERT INTO t1 SELECT * FROM t2;
201 } db2
202
203 db2 close
204
205 # This block links a page from table t2 into the t1 table structure.
206 #
207 set fd [open corrupt.db r+]
208 fconfigure $fd -encoding binary -translation binary
209 seek $fd [expr 1024 + 12]
210 set zCelloffset [read $fd 2]
211 binary scan $zCelloffset S iCelloffset
212 seek $fd [expr 1024 + $iCelloffset]
213 set zChildPage [read $fd 4]
214 seek $fd [expr 2*1024 + 12]
215 set zCelloffset [read $fd 2]
216 binary scan $zCelloffset S iCelloffset
217 seek $fd [expr 2*1024 + $iCelloffset]
218 puts -nonewline $fd $zChildPage
219 close $fd
220
221 sqlite3 db2 corrupt.db
222 db2 eval {SELECT rowid FROM t1} {
223 set result [db2 eval {pragma integrity_check}]
224 break
225 }
226 set result
227 } {{*** in database main ***
228 On tree page 2 cell 0: 2nd reference to page 10
229 On tree page 2 cell 1: Child page depth differs
230 Page 4 is never used}}
231
232 db2 close
233
234 proc corruption_test {args} {
235 set A(-corrupt) {}
236 set A(-sqlprep) {}
237 set A(-tclprep) {}
238 array set A $args
239
240 catch {db close}
241 file delete -force corrupt.db
242 file delete -force corrupt.db-journal
243
244 sqlite3 db corrupt.db
245 eval $A(-tclprep)
246 db eval $A(-sqlprep)
247 db close
248
249 eval $A(-corrupt)
250
251 sqlite3 db corrupt.db
252 eval $A(-test)
253 }
254
255 ifcapable autovacuum {
256 # The tests within this block - corrupt2-6.* - aim to test corruption
257 # detection within an incremental-vacuum. When an incremental-vacuum
258 # step is executed, the last non-free page of the database file is
259 # moved into a free space in the body of the file. After doing so,
260 # the page reference in the parent page must be updated to refer
261 # to the new location. These tests test the outcome of corrupting
262 # that page reference before performing the incremental vacuum.
263 #
264
265 # The last page in the database page is the second page
266 # in an overflow chain.
267 #
268 corruption_test -sqlprep {
269 PRAGMA auto_vacuum = incremental;
270 PRAGMA page_size = 1024;
271 CREATE TABLE t1(a, b);
272 INSERT INTO t1 VALUES(1, randomblob(2500));
273 INSERT INTO t1 VALUES(2, randomblob(2500));
274 DELETE FROM t1 WHERE a = 1;
275 } -corrupt {
276 hexio_write corrupt.db [expr 1024*5] 00000008
277 } -test {
278 do_test corrupt2-6.1 {
279 catchsql { pragma incremental_vacuum = 1 }
280 } {1 {database disk image is malformed}}
281 }
282
283 # The last page in the database page is a non-root b-tree page.
284 #
285 corruption_test -sqlprep {
286 PRAGMA auto_vacuum = incremental;
287 PRAGMA page_size = 1024;
288 CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
289 INSERT INTO t1 VALUES(1, randomblob(2500));
290 INSERT INTO t1 VALUES(2, randomblob(50));
291 INSERT INTO t1 SELECT NULL, randomblob(50) FROM t1;
292 INSERT INTO t1 SELECT NULL, randomblob(50) FROM t1;
293 INSERT INTO t1 SELECT NULL, randomblob(50) FROM t1;
294 INSERT INTO t1 SELECT NULL, randomblob(50) FROM t1;
295 DELETE FROM t1 WHERE a = 1;
296 } -corrupt {
297 hexio_write corrupt.db [expr 1024*2 + 8] 00000009
298 } -test {
299 do_test corrupt2-6.2 {
300 catchsql { pragma incremental_vacuum = 1 }
301 } {1 {database disk image is malformed}}
302 }
303
304 # Set up a pointer-map entry so that the last page of the database
305 # file appears to be a b-tree root page. This should be detected
306 # as corruption.
307 #
308 corruption_test -sqlprep {
309 PRAGMA auto_vacuum = incremental;
310 PRAGMA page_size = 1024;
311 CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
312 INSERT INTO t1 VALUES(1, randomblob(2500));
313 INSERT INTO t1 VALUES(2, randomblob(2500));
314 INSERT INTO t1 VALUES(3, randomblob(2500));
315 DELETE FROM t1 WHERE a = 1;
316 } -corrupt {
317 set nPage [expr [file size corrupt.db] / 1024]
318 hexio_write corrupt.db [expr 1024 + ($nPage-3)*5] 010000000
319 } -test {
320 do_test corrupt2-6.3 {
321 catchsql { pragma incremental_vacuum = 1 }
322 } {1 {database disk image is malformed}}
323 }
324
325 corruption_test -sqlprep {
326 PRAGMA auto_vacuum = 1;
327 PRAGMA page_size = 1024;
328 CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
329 INSERT INTO t1 VALUES(1, randomblob(2500));
330 DELETE FROM t1 WHERE a = 1;
331 } -corrupt {
332 set nAppend [expr 1024*207 - [file size corrupt.db]]
333 set fd [open corrupt.db r+]
334 seek $fd 0 end
335 puts -nonewline $fd [string repeat x $nAppend]
336 close $fd
337 } -test {
338 do_test corrupt2-6.4 {
339 catchsql {
340 BEGIN EXCLUSIVE;
341 COMMIT;
342 }
343 } {1 {database disk image is malformed}}
344 }
345 }
346
347
348 set sqlprep {
349 PRAGMA auto_vacuum = 0;
350 PRAGMA page_size = 1024;
351 CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
352 CREATE INDEX i1 ON t1(b);
353 INSERT INTO t1 VALUES(1, randomblob(50));
354 INSERT INTO t1 SELECT NULL, randomblob(50) FROM t1;
355 INSERT INTO t1 SELECT NULL, randomblob(50) FROM t1;
356 INSERT INTO t1 SELECT NULL, randomblob(50) FROM t1;
357 INSERT INTO t1 SELECT NULL, randomblob(50) FROM t1;
358 INSERT INTO t1 SELECT NULL, randomblob(50) FROM t1;
359 INSERT INTO t1 SELECT NULL, randomblob(50) FROM t1;
360 }
361
362 corruption_test -sqlprep $sqlprep -corrupt {
363 # Set the page-flags of one of the leaf pages of the index B-Tree to
364 # 0x0D (interpreted by SQLite as "leaf page of a table B-Tree").
365 #
366 set fd [open corrupt.db r+]
367 fconfigure $fd -translation binary -encoding binary
368 seek $fd [expr 1024*2 + 8]
369 set zRightChild [read $fd 4]
370 binary scan $zRightChild I iRightChild
371 seek $fd [expr 1024*($iRightChild-1)]
372 puts -nonewline $fd "\x0D"
373 close $fd
374 } -test {
375 do_test corrupt2-7.1 {
376 catchsql { SELECT b FROM t1 ORDER BY b ASC }
377 } {1 {database disk image is malformed}}
378 }
379
380 corruption_test -sqlprep $sqlprep -corrupt {
381 # Mess up the page-header of one of the leaf pages of the index B-Tree.
382 # The corruption is detected as part of an OP_Prev opcode.
383 #
384 set fd [open corrupt.db r+]
385 fconfigure $fd -translation binary -encoding binary
386 seek $fd [expr 1024*2 + 12]
387 set zCellOffset [read $fd 2]
388 binary scan $zCellOffset S iCellOffset
389 seek $fd [expr 1024*2 + $iCellOffset]
390 set zChild [read $fd 4]
391 binary scan $zChild I iChild
392 seek $fd [expr 1024*($iChild-1)+3]
393 puts -nonewline $fd "\xFFFF"
394 close $fd
395 } -test {
396 do_test corrupt2-7.1 {
397 catchsql { SELECT b FROM t1 ORDER BY b DESC }
398 } {1 {database disk image is malformed}}
399 }
400
401 corruption_test -sqlprep $sqlprep -corrupt {
402 # Set the page-flags of one of the leaf pages of the table B-Tree to
403 # 0x0A (interpreted by SQLite as "leaf page of an index B-Tree").
404 #
405 set fd [open corrupt.db r+]
406 fconfigure $fd -translation binary -encoding binary
407 seek $fd [expr 1024*1 + 8]
408 set zRightChild [read $fd 4]
409 binary scan $zRightChild I iRightChild
410 seek $fd [expr 1024*($iRightChild-1)]
411 puts -nonewline $fd "\x0A"
412 close $fd
413 } -test {
414 do_test corrupt2-8.1 {
415 catchsql { SELECT * FROM t1 WHERE rowid=1000 }
416 } {1 {database disk image is malformed}}
417 }
418
419 corruption_test -sqlprep {
420 CREATE TABLE t1(a, b, c); CREATE TABLE t8(a, b, c); CREATE TABLE tE(a, b, c);
421 CREATE TABLE t2(a, b, c); CREATE TABLE t9(a, b, c); CREATE TABLE tF(a, b, c);
422 CREATE TABLE t3(a, b, c); CREATE TABLE tA(a, b, c); CREATE TABLE tG(a, b, c);
423 CREATE TABLE t4(a, b, c); CREATE TABLE tB(a, b, c); CREATE TABLE tH(a, b, c);
424 CREATE TABLE t5(a, b, c); CREATE TABLE tC(a, b, c); CREATE TABLE tI(a, b, c);
425 CREATE TABLE t6(a, b, c); CREATE TABLE tD(a, b, c); CREATE TABLE tJ(a, b, c);
426 CREATE TABLE x1(a, b, c); CREATE TABLE x8(a, b, c); CREATE TABLE xE(a, b, c);
427 CREATE TABLE x2(a, b, c); CREATE TABLE x9(a, b, c); CREATE TABLE xF(a, b, c);
428 CREATE TABLE x3(a, b, c); CREATE TABLE xA(a, b, c); CREATE TABLE xG(a, b, c);
429 CREATE TABLE x4(a, b, c); CREATE TABLE xB(a, b, c); CREATE TABLE xH(a, b, c);
430 CREATE TABLE x5(a, b, c); CREATE TABLE xC(a, b, c); CREATE TABLE xI(a, b, c);
431 CREATE TABLE x6(a, b, c); CREATE TABLE xD(a, b, c); CREATE TABLE xJ(a, b, c);
432 } -corrupt {
433 set fd [open corrupt.db r+]
434 fconfigure $fd -translation binary -encoding binary
435 seek $fd 108
436 set zRightChild [read $fd 4]
437 binary scan $zRightChild I iRightChild
438 seek $fd [expr 1024*($iRightChild-1)+3]
439 puts -nonewline $fd "\x00\x00"
440 close $fd
441 } -test {
442 do_test corrupt2-9.1 {
443 catchsql { SELECT sql FROM sqlite_master }
444 } {1 {database disk image is malformed}}
445 }
446
447 corruption_test -sqlprep {
448 CREATE TABLE t1(a, b, c);
449 CREATE TABLE t2(a, b, c);
450 PRAGMA writable_schema = 1;
451 UPDATE sqlite_master SET rootpage = NULL WHERE name = 't2';
452 } -test {
453 do_test corrupt2-10.1 {
454 catchsql { SELECT * FROM t2 }
455 } {1 {malformed database schema (t2)}}
456 do_test corrupt2-10.2 {
457 sqlite3_errcode db
458 } {SQLITE_CORRUPT}
459 }
460
461 corruption_test -sqlprep {
462 PRAGMA auto_vacuum = incremental;
463 CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
464 CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
465 INSERT INTO t1 VALUES(1, randstr(100,100));
466 INSERT INTO t1 SELECT NULL, randstr(100,100) FROM t1;
467 INSERT INTO t1 SELECT NULL, randstr(100,100) FROM t1;
468 INSERT INTO t1 SELECT NULL, randstr(100,100) FROM t1;
469 INSERT INTO t1 SELECT NULL, randstr(100,100) FROM t1;
470 INSERT INTO t1 SELECT NULL, randstr(100,100) FROM t1;
471 INSERT INTO t2 SELECT * FROM t1;
472 DELETE FROM t1;
473 } -corrupt {
474 set offset [expr [file size corrupt.db] - 1024]
475 hexio_write corrupt.db $offset FF
476 hexio_write corrupt.db 24 12345678
477 } -test {
478 do_test corrupt2-11.1 {
479 catchsql { PRAGMA incremental_vacuum }
480 } {1 {database disk image is malformed}}
481 }
482 corruption_test -sqlprep {
483 PRAGMA auto_vacuum = incremental;
484 CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
485 CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
486 INSERT INTO t1 VALUES(1, randstr(100,100));
487 INSERT INTO t1 SELECT NULL, randstr(100,100) FROM t1;
488 INSERT INTO t1 SELECT NULL, randstr(100,100) FROM t1;
489 INSERT INTO t1 SELECT NULL, randstr(100,100) FROM t1;
490 INSERT INTO t1 SELECT NULL, randstr(100,100) FROM t1;
491 INSERT INTO t1 SELECT NULL, randstr(100,100) FROM t1;
492 INSERT INTO t2 SELECT * FROM t1;
493 DELETE FROM t1;
494 } -corrupt {
495 set pgno [expr [file size corrupt.db] / 1024]
496 hexio_write corrupt.db [expr 1024+5*($pgno-3)] 03
497 hexio_write corrupt.db 24 12345678
498 } -test {
499 do_test corrupt2-12.1 {
500 catchsql { PRAGMA incremental_vacuum }
501 } {1 {database disk image is malformed}}
502 }
503
504 ifcapable autovacuum {
505 # It is not possible for the last page in a database file to be the
506 # pending-byte page (AKA the locking page). This test verifies that if
507 # an attempt is made to commit a transaction to such an auto-vacuum
508 # database SQLITE_CORRUPT is returned.
509 #
510 corruption_test -tclprep {
511 db eval {
512 PRAGMA auto_vacuum = full;
513 PRAGMA page_size = 1024;
514 CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
515 INSERT INTO t1 VALUES(NULL, randstr(50,50));
516 }
517 for {set ii 0} {$ii < 10} {incr ii} {
518 db eval { INSERT INTO t1 SELECT NULL, randstr(50,50) FROM t1 }
519 }
520 } -corrupt {
521 do_test corrupt2-13.1 {
522 file size corrupt.db
523 } $::sqlite_pending_byte
524 hexio_write corrupt.db [expr $::sqlite_pending_byte+1023] 00
525 } -test {
526 do_test corrupt2-13.2 {
527 file size corrupt.db
528 } [expr $::sqlite_pending_byte + 1024]
529 do_test corrupt2-13.3 {
530 catchsql { DELETE FROM t1 WHERE rowid < 30; }
531 } {1 {database disk image is malformed}}
532 }
533 }
534
535 finish_test
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