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| 1 # 2008 May 6 | |
| 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 specifically focuses | |
| 15 # on corrupt SerialTypeLen values. | |
| 16 # | |
| 17 # $Id: corrupt6.test,v 1.2 2008/05/19 15:37:10 shane Exp $ | |
| 18 | |
| 19 set testdir [file dirname $argv0] | |
| 20 source $testdir/tester.tcl | |
| 21 | |
| 22 # Do not use a codec for tests in this file, as the database file is | |
| 23 # manipulated directly using tcl scripts (using the [hexio_write] command). | |
| 24 # | |
| 25 do_not_use_codec | |
| 26 | |
| 27 # These tests deal with corrupt database files | |
| 28 # | |
| 29 database_may_be_corrupt | |
| 30 | |
| 31 # We must have the page_size pragma for these tests to work. | |
| 32 # | |
| 33 ifcapable !pager_pragmas { | |
| 34 finish_test | |
| 35 return | |
| 36 } | |
| 37 | |
| 38 # Create a simple, small database. | |
| 39 # | |
| 40 do_test corrupt6-1.1 { | |
| 41 execsql { | |
| 42 PRAGMA auto_vacuum=OFF; | |
| 43 PRAGMA page_size=1024; | |
| 44 CREATE TABLE t1(x); | |
| 45 INSERT INTO t1(x) VALUES('varint32-01234567890123456789012345678901234567890
123456789'); | |
| 46 INSERT INTO t1(x) VALUES('varint32-01234567890123456789012345678901234567890
123456789'); | |
| 47 } | |
| 48 file size test.db | |
| 49 } [expr {1024*2}] | |
| 50 | |
| 51 # Verify that the file format is as we expect. The page size | |
| 52 # should be 1024 bytes. | |
| 53 # | |
| 54 do_test corrupt6-1.2 { | |
| 55 hexio_get_int [hexio_read test.db 16 2] | |
| 56 } 1024 ;# The page size is 1024 | |
| 57 do_test corrupt6-1.3 { | |
| 58 hexio_get_int [hexio_read test.db 20 1] | |
| 59 } 0 ;# Unused bytes per page is 0 | |
| 60 | |
| 61 integrity_check corrupt6-1.4 | |
| 62 | |
| 63 # Verify SerialTypeLen for first field of two records as we expect. | |
| 64 # SerialTypeLen = (len*2+12) = 60*2+12 = 132 | |
| 65 do_test corrupt6-1.5.1 { | |
| 66 hexio_read test.db 1923 2 | |
| 67 } 8103 ;# First text field size is 81 03 == 131 | |
| 68 do_test corrupt6-1.5.2 { | |
| 69 hexio_read test.db 1987 2 | |
| 70 } 8103 ;# Second text field size is 81 03 == 131 | |
| 71 | |
| 72 # Verify simple query results as expected. | |
| 73 do_test corrupt6-1.6 { | |
| 74 db close | |
| 75 sqlite3 db test.db | |
| 76 catchsql { | |
| 77 SELECT substr(x,1,8) FROM t1 | |
| 78 } | |
| 79 } [list 0 {varint32 varint32} ] | |
| 80 integrity_check corrupt6-1.7 | |
| 81 | |
| 82 # Adjust value of record 1 / field 1 SerialTypeLen and see if the | |
| 83 # corruption is detected. | |
| 84 # Increase SerialTypeLen by 2. | |
| 85 do_test corrupt6-1.8.1 { | |
| 86 db close | |
| 87 hexio_write test.db 1923 8105 | |
| 88 sqlite3 db test.db | |
| 89 catchsql { | |
| 90 SELECT substr(x,1,8) FROM t1 | |
| 91 } | |
| 92 } [list 1 {database disk image is malformed}] | |
| 93 | |
| 94 # Adjust value of record 1 / field 1 SerialTypeLen and see if the | |
| 95 # corruption is detected. | |
| 96 # Decrease SerialTypeLen by 2. | |
| 97 do_test corrupt6-1.8.2 { | |
| 98 db close | |
| 99 hexio_write test.db 1923 8101 | |
| 100 sqlite3 db test.db | |
| 101 catchsql { | |
| 102 SELECT substr(x,1,8) FROM t1 | |
| 103 } | |
| 104 } [list 1 {database disk image is malformed}] | |
| 105 | |
| 106 # Put value of record 1 / field 1 SerialTypeLen back. | |
| 107 do_test corrupt6-1.8.3 { | |
| 108 db close | |
| 109 hexio_write test.db 1923 8103 | |
| 110 sqlite3 db test.db | |
| 111 catchsql { | |
| 112 SELECT substr(x,1,8) FROM t1 | |
| 113 } | |
| 114 } [list 0 {varint32 varint32} ] | |
| 115 integrity_check corrupt6-1.8.4 | |
| 116 | |
| 117 # Adjust value of record 2 / field 1 SerialTypeLen and see if the | |
| 118 # corruption is detected. | |
| 119 # Increase SerialTypeLen by 2. | |
| 120 do_test corrupt6-1.9.1 { | |
| 121 db close | |
| 122 hexio_write test.db 1987 8105 | |
| 123 sqlite3 db test.db | |
| 124 catchsql { | |
| 125 SELECT substr(x,1,8) FROM t1 | |
| 126 } | |
| 127 } [list 1 {database disk image is malformed}] | |
| 128 | |
| 129 # Adjust value of record 2 / field 2 SerialTypeLen and see if the | |
| 130 # corruption is detected. | |
| 131 # Decrease SerialTypeLen by 2. | |
| 132 do_test corrupt6-1.9.2 { | |
| 133 db close | |
| 134 hexio_write test.db 1987 8101 | |
| 135 sqlite3 db test.db | |
| 136 catchsql { | |
| 137 SELECT substr(x,1,8) FROM t1 | |
| 138 } | |
| 139 } [list 1 {database disk image is malformed}] | |
| 140 | |
| 141 # Put value of record 1 / field 2 SerialTypeLen back. | |
| 142 do_test corrupt6-1.9.3 { | |
| 143 db close | |
| 144 hexio_write test.db 1987 8103 | |
| 145 sqlite3 db test.db | |
| 146 catchsql { | |
| 147 SELECT substr(x,1,8) FROM t1 | |
| 148 } | |
| 149 } [list 0 {varint32 varint32} ] | |
| 150 integrity_check corrupt6-1.9.4 | |
| 151 | |
| 152 # Adjust value of record 1 / field 1 SerialTypeLen and see if the | |
| 153 # corruption is detected. | |
| 154 # Set SerialTypeLen to FF 7F (2 bytes) | |
| 155 do_test corrupt6-1.10.1 { | |
| 156 db close | |
| 157 hexio_write test.db 1923 FF7F | |
| 158 sqlite3 db test.db | |
| 159 catchsql { | |
| 160 SELECT substr(x,1,8) FROM t1 | |
| 161 } | |
| 162 } [list 1 {database disk image is malformed}] | |
| 163 | |
| 164 # Adjust value of record 1 / field 1 SerialTypeLen and see if the | |
| 165 # corruption is detected. | |
| 166 # Set SerialTypeLen to FF FF 7F (3 bytes) | |
| 167 do_test corrupt6-1.10.2 { | |
| 168 db close | |
| 169 hexio_write test.db 1923 FFFF7F | |
| 170 sqlite3 db test.db | |
| 171 catchsql { | |
| 172 SELECT substr(x,1,8) FROM t1 | |
| 173 } | |
| 174 } [list 1 {database disk image is malformed}] | |
| 175 | |
| 176 # Adjust value of record 1 / field 1 SerialTypeLen and see if the | |
| 177 # corruption is detected. | |
| 178 # Set SerialTypeLen to FF FF FF 7F (4 bytes) | |
| 179 do_test corrupt6-1.10.3 { | |
| 180 db close | |
| 181 hexio_write test.db 1923 FFFFFF7F | |
| 182 sqlite3 db test.db | |
| 183 catchsql { | |
| 184 SELECT substr(x,1,8) FROM t1 | |
| 185 } | |
| 186 } [list 1 {database disk image is malformed}] | |
| 187 | |
| 188 # Adjust value of record 1 / field 1 SerialTypeLen and see if the | |
| 189 # corruption is detected. | |
| 190 # Set SerialTypeLen to FF FF FF FF 7F (5 bytes) | |
| 191 do_test corrupt6-1.10.4 { | |
| 192 db close | |
| 193 hexio_write test.db 1923 FFFFFFFF7F | |
| 194 sqlite3 db test.db | |
| 195 catchsql { | |
| 196 SELECT substr(x,1,8) FROM t1 | |
| 197 } | |
| 198 } [list 1 {database disk image is malformed}] | |
| 199 | |
| 200 # Adjust value of record 1 / field 1 SerialTypeLen and see if the | |
| 201 # corruption is detected. | |
| 202 # Set SerialTypeLen to FF FF FF FF FF 7F (6 bytes, and overflows). | |
| 203 do_test corrupt6-1.10.5 { | |
| 204 db close | |
| 205 hexio_write test.db 1923 FFFFFFFFFF7F | |
| 206 sqlite3 db test.db | |
| 207 catchsql { | |
| 208 SELECT substr(x,1,8) FROM t1 | |
| 209 } | |
| 210 } [list 1 {database disk image is malformed}] | |
| 211 | |
| 212 # Adjust value of record 1 / field 1 SerialTypeLen and see if the | |
| 213 # corruption is detected. | |
| 214 # Set SerialTypeLen to FF FF FF FF FF FF 7F (7 bytes, and overflows). | |
| 215 do_test corrupt6-1.10.6 { | |
| 216 db close | |
| 217 hexio_write test.db 1923 FFFFFFFFFFFF7F | |
| 218 sqlite3 db test.db | |
| 219 catchsql { | |
| 220 SELECT substr(x,1,8) FROM t1 | |
| 221 } | |
| 222 } [list 1 {database disk image is malformed}] | |
| 223 | |
| 224 # Adjust value of record 1 / field 1 SerialTypeLen and see if the | |
| 225 # corruption is detected. | |
| 226 # Set SerialTypeLen to FF FF FF FF FF FF FF 7F (8 bytes, and overflows). | |
| 227 do_test corrupt6-1.10.7 { | |
| 228 db close | |
| 229 hexio_write test.db 1923 FFFFFFFFFFFFFF7F | |
| 230 sqlite3 db test.db | |
| 231 catchsql { | |
| 232 SELECT substr(x,1,8) FROM t1 | |
| 233 } | |
| 234 } [list 1 {database disk image is malformed}] | |
| 235 | |
| 236 # Adjust value of record 1 / field 1 SerialTypeLen and see if the | |
| 237 # corruption is detected. | |
| 238 # Set SerialTypeLen to FF FF FF FF FF FF FF FF 7F (9 bytes, and overflows). | |
| 239 do_test corrupt6-1.10.8 { | |
| 240 db close | |
| 241 hexio_write test.db 1923 FFFFFFFFFFFFFFFF7F | |
| 242 sqlite3 db test.db | |
| 243 catchsql { | |
| 244 SELECT substr(x,1,8) FROM t1 | |
| 245 } | |
| 246 } [list 1 {database disk image is malformed}] | |
| 247 | |
| 248 # Adjust value of record 1 / field 1 SerialTypeLen and see if the | |
| 249 # corruption is detected. | |
| 250 # Set SerialTypeLen to FFFF FF FF FF FF FF FF FF 7F (10 bytes, and overflows). | |
| 251 do_test corrupt6-1.10.9 { | |
| 252 db close | |
| 253 hexio_write test.db 1923 FFFFFFFFFFFFFFFFFF7F | |
| 254 sqlite3 db test.db | |
| 255 catchsql { | |
| 256 SELECT substr(x,1,8) FROM t1 | |
| 257 } | |
| 258 } [list 1 {database disk image is malformed}] | |
| 259 | |
| 260 finish_test | |
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