mirror of
https://github.com/sqlite/sqlite.git
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235 lines
8.8 KiB
Plaintext
235 lines
8.8 KiB
Plaintext
# 2017-03-03
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix corruptK
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if {[permutation]=="mmap"} {
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finish_test
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return
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}
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# This module uses hard-coded offsets which do not work if the reserved_bytes
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# value is nonzero.
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if {[nonzero_reserved_bytes]} {finish_test; return;}
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database_may_be_corrupt
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# Initialize the database.
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#
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do_execsql_test 1.1 {
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PRAGMA page_size=1024;
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PRAGMA auto_vacuum=0;
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(randomblob(20));
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INSERT INTO t1 VALUES(randomblob(100)); -- make this into a free slot
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INSERT INTO t1 VALUES(randomblob(27)); -- this one will be corrupt
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INSERT INTO t1 VALUES(randomblob(800));
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DELETE FROM t1 WHERE rowid=2; -- free the 100 byte slot
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PRAGMA page_count
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} {2}
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# Corrupt the database so that the blob stored immediately before
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# the free slot (rowid==3) has an overlarge length field. So that
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# we can use sqlite3_blob_write() to manipulate the size field of
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# the free slot.
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#
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# Then use sqlite3_blob_write() to set the size of said free slot
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# to 24 bytes (instead of the actual 100).
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#
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# Then use the new 24 byte slot. Leaving the in-memory version of
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# the page with zero free slots and a large nFree value. Then try
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# to allocate another slot to get to defragmentPage().
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#
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do_test 1.2 {
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db close
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hexio_write test.db [expr 1024 + 0x360] 21
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hexio_write test.db [expr 1024 + 0x363] [format %x [expr 31*2 + 12]]
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sqlite3 db test.db
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set fd [db incrblob t1 x 3]
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fconfigure $fd -translation binary -encoding binary
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seek $fd 30
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puts -nonewline $fd "\x18"
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close $fd
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} {}
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do_execsql_test 1.3 {
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INSERT INTO t1 VALUES(randomblob(20));
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}
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# This test no longer functions due to the deferred computation of
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# MemPage.nFree.
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#
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if 0 {
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do_catchsql_test 1.4 {
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INSERT INTO t1 VALUES(randomblob(90));
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} {1 {database disk image is malformed}}
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}
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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 2.1 {
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PRAGMA page_size=1024;
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PRAGMA auto_vacuum=0;
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(randomblob(20));
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INSERT INTO t1 VALUES(randomblob(20)); -- free this one
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INSERT INTO t1 VALUES(randomblob(20));
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INSERT INTO t1 VALUES(randomblob(20)); -- and this one
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INSERT INTO t1 VALUES(randomblob(20)); -- corrupt this one.
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DELETE FROM t1 WHERE rowid IN(2, 4);
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PRAGMA page_count
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} {2}
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do_test 2.2 {
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db close
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hexio_write test.db [expr 1024 + 0x388] 53
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hexio_write test.db [expr 1024 + 0x38A] 03812C
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sqlite3 db test.db
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set fd [db incrblob t1 x 5]
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fconfigure $fd -translation binary -encoding binary
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seek $fd 22
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puts -nonewline $fd "\x5d"
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close $fd
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} {}
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do_catchsql_test 2.3 {
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INSERT INTO t1 VALUES(randomblob(900));
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} {1 {database disk image is malformed}}
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#-------------------------------------------------------------------------
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ifcapable vtab {
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if {[permutation]!="inmemory_journal"} {
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proc hex2blob {hex} {
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# Split on newlines:
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set bytes [list]
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foreach l [split $hex "\n"] {
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if {[string is space $l]} continue
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set L [list]
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foreach b [split $l] {
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if {[string is xdigit $b] && [string length $b]==2} {
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lappend L [expr "0x$b"]
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}
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}
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if {[llength $L]!=16} {
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error "Badly formed hex (1)"
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}
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set bytes [concat $bytes $L]
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}
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binary format c* $bytes
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}
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reset_db
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db func hex2blob hex2blob
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do_execsql_test 3.1 {
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PRAGMA page_size=1024;
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CREATE TABLE t1(a, b, c);
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CREATE TABLE t2(a, b, c);
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CREATE TABLE t3(a, b, c);
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CREATE TABLE t4(a, b, c);
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CREATE TABLE t5(a, b, c);
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}
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sqlite3_db_config db DEFENSIVE 0
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do_execsql_test 3.2 {
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UPDATE sqlite_dbpage SET data = hex2blob('
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000: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00 SQLite format 3.
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010: 04 00 01 01 20 40 20 20 00 00 3e d9 00 00 00 06 .... @ ..>.....
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020: 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 04 ................
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030: 0f 00 00 00 00 00 00 00 00 00 00 01 00 00 83 00 ................
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040: 00 00 00 00 00 00 00 00 00 00 00 00 00 38 00 00 .............8..
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050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3e d9 ..............>.
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060: 00 2d e6 07 0d 00 00 00 01 03 a0 00 03 e0 00 00 .-..............
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070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0d0: 00 00 00 00 00 c1 00 00 00 00 00 00 00 00 00 00 ................
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0e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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160: 00 83 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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180: 00 00 00 00 00 00 00 00 00 00 07 00 30 00 00 00 ............0...
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190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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1a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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1b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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1c0: 02 00 00 00 00 00 00 00 00 00 00 02 00 00 00 00 ................
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1d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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1e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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1f0: 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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210: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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220: 00 00 0e 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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230: 0c 00 00 00 00 00 00 60 00 00 00 06 00 00 c3 00 .......`........
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240: 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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250: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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260: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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270: 00 00 00 18 00 00 00 00 00 00 00 00 00 00 00 00 ................
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280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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290: 04 00 0e 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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2a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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2b0: 00 00 00 00 83 00 8c 00 00 00 00 00 00 00 00 00 ................
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2c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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2d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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2e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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2f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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310: 00 78 00 00 00 00 00 00 00 00 00 00 00 00 70 00 .x............p.
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320: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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330: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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340: 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 ................
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350: 00 00 00 00 00 68 00 00 00 00 00 00 00 00 00 00 .....h..........
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360: 00 00 00 00 00 03 00 00 00 00 00 00 00 00 00 00 ................
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370: 00 00 00 00 00 00 00 00 00 00 00 00 00 08 00 00 ................
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380: 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 ....p...........
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390: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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3a0: 5e 01 07 17 1b 1b 01 81 13 74 61 62 6c 65 73 65 ^........tablese
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3b0: 6e 73 6f 32 73 73 65 6e 73 6f 72 73 02 43 52 45 nso2ssensors.CRE
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3c0: 41 54 45 20 54 41 42 4c 45 20 73 65 6e 73 6f 72 ATE TABLE sensor
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3d0: 73 20 0a 20 20 24 20 20 20 20 20 20 20 20 20 20 s . $
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3e0: b8 6e 61 6d 65 21 74 65 78 74 2c 20 79 61 6c 20 .name!text, yal
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3f0: 72 65 61 6c 2c 20 74 69 6d 65 20 74 65 78 74 29 real, time text)
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') WHERE pgno=1
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}
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db close
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sqlite3 db test.db
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do_catchsql_test 3.3 {
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PRAGMA integrity_check;
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} {1 {database disk image is malformed}}
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} ;# [permutation]!="inmemory_journal"
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} ;# ifcapable vtab
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finish_test
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