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Overview
| Comment: | Add the "decode_hexdb" TCL command to testfixture. Add the dbfuzz001.test module to demonstration how to use decode_hexdb to deserialize a dbtotxt database description for use in a corruption test. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
1f583c53f3b7318c69f6e235934d97ef |
| User & Date: | drh 2018-12-13 20:49:43 |
Context
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2018-12-13
| ||
| 21:05 | Fix a problem in sqlite3BtreeDelete() in which deleting an entry from a corrupt database can leave a btree page with zero cells. check-in: 682053d1 user: drh tags: trunk | |
| 20:49 | Add the "decode_hexdb" TCL command to testfixture. Add the dbfuzz001.test module to demonstration how to use decode_hexdb to deserialize a dbtotxt database description for use in a corruption test. check-in: 1f583c53 user: drh tags: trunk | |
| 18:59 | Fix the CLI to keep proper track of input line numbers for use in error messages, even after processing in-line hex database inputs using ".open --hexdb". check-in: 7ffa9858 user: drh tags: trunk | |
Changes
Changes to src/test1.c.
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zDb = Tcl_GetString(objv[2]);
}
rc = sqlite3_mmap_warm(db, zDb);
Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
return TCL_OK;
}
}
/*
** Register commands with the TCL interpreter.
*/
int Sqlitetest1_Init(Tcl_Interp *interp){
extern int sqlite3_search_count;
extern int sqlite3_found_count;
................................................................................
{ "sqlite3_snapshot_open_blob", test_snapshot_open_blob, 0 },
{ "sqlite3_snapshot_cmp_blob", test_snapshot_cmp_blob, 0 },
#endif
{ "sqlite3_delete_database", test_delete_database, 0 },
{ "atomic_batch_write", test_atomic_batch_write, 0 },
{ "sqlite3_mmap_warm", test_mmap_warm, 0 },
{ "sqlite3_config_sorterref", test_config_sorterref, 0 },
};
static int bitmask_size = sizeof(Bitmask)*8;
static int longdouble_size = sizeof(LONGDOUBLE_TYPE);
int i;
extern int sqlite3_sync_count, sqlite3_fullsync_count;
extern int sqlite3_opentemp_count;
extern int sqlite3_like_count;
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zDb = Tcl_GetString(objv[2]);
}
rc = sqlite3_mmap_warm(db, zDb);
Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
return TCL_OK;
}
}
/*
** Usage: decode_hexdb TEXT
**
** Example: db deserialize [decode_hexdb $output_of_dbtotxt]
**
** This routine returns a byte-array for an SQLite database file that
** is constructed from a text input which is the output of the "dbtotxt"
** utility.
*/
static int SQLITE_TCLAPI test_decode_hexdb(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
const char *zIn = 0;
unsigned char *a = 0;
int n = 0;
int lineno = 0;
int i, iNext;
int iOffset = 0;
int j, k;
int rc;
unsigned char x[16];
if( objc!=2 ){
Tcl_WrongNumArgs(interp, 1, objv, "HEXDB");
return TCL_ERROR;
}
zIn = Tcl_GetString(objv[1]);
for(i=0; zIn[i]; i=iNext){
lineno++;
for(iNext=i; zIn[iNext] && zIn[iNext]!='\n'; iNext++){}
if( zIn[iNext]=='\n' ) iNext++;
while( zIn[i]==' ' || zIn[i]=='\t' ){ i++; }
if( a==0 ){
int pgsz;
rc = sscanf(zIn+i, "| size %d pagesize %d", &n, &pgsz);
if( rc!=2 ) continue;
if( n<512 ){
Tcl_AppendResult(interp, "bad 'size' field", (void*)0);
return TCL_ERROR;
}
a = malloc( n );
if( a==0 ){
Tcl_AppendResult(interp, "out of memory", (void*)0);
return TCL_ERROR;
}
memset(a, 0, n);
continue;
}
rc = sscanf(zIn+i, "| page %d offset %d", &j, &k);
if( rc==2 ){
iOffset = k;
continue;
}
rc = sscanf(zIn+i,"| %d: %hhx %hhx %hhx %hhx %hhx %hhx %hhx %hhx"
" %hhx %hhx %hhx %hhx %hhx %hhx %hhx %hhx",
&j, &x[0], &x[1], &x[2], &x[3], &x[4], &x[5], &x[6], &x[7],
&x[8], &x[9], &x[10], &x[11], &x[12], &x[13], &x[14], &x[15]);
if( rc==17 ){
k = iOffset+j;
if( k+16<=n ){
memcpy(a+k, x, 16);
}
continue;
}
}
Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(a, n));
free(a);
return TCL_OK;
}
/*
** Register commands with the TCL interpreter.
*/
int Sqlitetest1_Init(Tcl_Interp *interp){
extern int sqlite3_search_count;
extern int sqlite3_found_count;
................................................................................
{ "sqlite3_snapshot_open_blob", test_snapshot_open_blob, 0 },
{ "sqlite3_snapshot_cmp_blob", test_snapshot_cmp_blob, 0 },
#endif
{ "sqlite3_delete_database", test_delete_database, 0 },
{ "atomic_batch_write", test_atomic_batch_write, 0 },
{ "sqlite3_mmap_warm", test_mmap_warm, 0 },
{ "sqlite3_config_sorterref", test_config_sorterref, 0 },
{ "decode_hexdb", test_decode_hexdb, 0 },
};
static int bitmask_size = sizeof(Bitmask)*8;
static int longdouble_size = sizeof(LONGDOUBLE_TYPE);
int i;
extern int sqlite3_sync_count, sqlite3_fullsync_count;
extern int sqlite3_opentemp_count;
extern int sqlite3_like_count;
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Added test/dbfuzz001.test.
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# 2012-12-13 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # # Test cases for corrupt database files. set testdir [file dirname $argv0] source $testdir/tester.tcl ifcapable !deserialize { finish_test return } do_test dbfuzz001-100 { sqlite3 db {} db deserialize [decode_hexdb { | size 5632 pagesize 512 filename c4.db | page 1 offset 0 | 0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00 SQLite format 3. | 16: 02 00 01 01 00 40 20 20 00 00 00 02 00 00 00 0b .....@ ........ | 32: 00 00 00 06 00 00 00 01 00 00 00 28 00 00 00 04 ...........(.... | 48: 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 ................ | 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 ................ | 96: 00 2e 30 38 0d 00 00 00 06 01 06 00 01 da 01 b0 ..08............ | 112: 01 56 01 86 01 2a 01 06 00 00 00 00 00 00 00 00 .V...*.......... | 256: 00 00 00 00 00 00 22 07 06 17 11 11 01 31 74 61 ......"......1ta | 272: 62 6c 65 74 34 74 34 07 43 52 45 41 54 45 20 54 blet4t4.CREATE T | 288: 41 42 4c 45 20 74 34 28 78 29 2a 06 06 17 13 11 ABLE t4(x)*..... | 304: 01 3f 69 6e 64 65 78 00 00 00 00 00 00 00 00 00 .?index......... | 336: 20 74 33 28 78 29 2e 04 06 17 15 11 01 45 69 6e t3(x).......Ein | 352: 64 65 78 74 32 63 64 74 32 05 43 52 45 41 54 45 dext2cdt2.CREATE | 368: 20 49 4e 44 45 58 20 74 32 63 64 20 4f 4e 20 74 INDEX t2cd ON t | 384: 32 28 63 2c 64 29 28 05 06 17 11 11 01 3d 74 61 2(c,d)(......=ta | 400: 62 6c 65 74 33 74 33 04 43 52 45 41 54 45 20 54 blet3t3.CREATE T | 416: 41 42 4c 45 20 74 33 28 63 2c 78 2c 65 2c 66 29 ABLE t3(c,x,e,f) | 432: 28 02 06 17 11 11 01 3d 74 61 62 6c 65 74 32 74 (......=tablet2t | 448: 32 03 43 52 45 41 54 45 20 54 41 42 4c 45 20 74 2.CREATE TABLE t | 464: 32 28 63 2c 64 2c 65 2c 66 29 24 01 06 17 11 11 2(c,d,e,f)$..... | 480: 01 35 74 61 62 6c 65 74 31 74 31 02 43 52 45 41 .5tablet1t1.CREA | 496: 54 45 20 54 41 42 4c 45 20 74 31 28 61 2c 62 29 TE TABLE t1(a,b) | page 2 offset 512 | 0: 0d 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 ................ | page 3 offset 1024 | 0: 0d 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 ................ | page 4 offset 1536 | 0: 05 00 00 00 03 01 f1 00 00 00 00 0b 01 fb 01 f6 ................ | 16: 01 f1 00 16 00 00 09 06 05 01 01 01 01 04 04 03 ................ | 32: 03 07 05 05 01 01 09 09 02 02 19 04 05 17 17 17 ................ | 48: 17 73 65 76 65 6e 65 69 67 68 74 65 69 67 68 74 .seveneighteight | 64: 73 65 76 65 6e 25 03 05 07 07 07 07 40 14 00 00 seven%......@... | 80: 00 00 00 00 40 18 00 00 00 00 00 00 40 18 00 00 ....@.......@... | 96: 00 00 00 00 40 14 00 00 00 00 00 00 09 02 05 01 ....@........... | 112: 01 01 01 03 04 04 03 07 01 05 09 01 01 09 02 02 ................ | 352: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1a ................ | 496: 00 00 00 00 0a 3e 00 00 00 09 21 00 00 00 08 06 .....>....!..... | page 5 offset 2048 | 0: 0a 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 ................ | page 7 offset 3072 | 0: 0d 00 00 00 08 01 c2 00 01 fb 01 f6 01 f1 01 ec ................ | 16: 01 e0 01 d4 01 cb 01 c2 00 00 00 00 00 00 00 00 ................ | 96: 00 00 00 00 13 00 00 00 00 00 00 00 00 00 00 00 ................ | 224: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 ................ | 288: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 ................ | 448: 00 00 07 08 02 17 65 69 67 68 74 07 07 02 17 65 ......eight....e | 464: 69 67 68 74 0a 06 02 07 40 18 00 00 00 00 00 00 ight....@....... | 480: 0a 05 02 07 40 18 00 00 00 00 00 00 03 04 02 01 ....@........... | 496: 04 03 03 02 01 04 03 02 02 01 02 03 01 02 01 02 ................ | page 8 offset 3584 | 0: 0d 00 21 00 01 00 16 00 00 16 00 16 00 16 00 16 ..!............. | 16: 00 16 00 16 00 00 09 06 05 01 01 01 01 04 04 03 ................ | 32: 03 00 00 00 5f 01 09 09 02 02 00 00 00 56 17 17 ...._........V.. | 48: 17 73 65 76 65 6e 65 69 67 68 74 65 69 67 68 74 .seveneighteight | 64: 73 65 76 65 6e 00 00 00 3b 07 07 07 40 14 00 00 seven...;...@... | 80: 00 00 00 00 40 18 00 00 00 00 00 00 40 18 00 00 ....@.......@... | 96: 00 00 00 00 40 14 00 00 00 00 00 00 00 00 00 14 ....@........... | 112: 01 01 01 03 04 04 03 00 00 00 09 01 01 09 02 02 ................ | 352: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1a ................ | page 9 offset 4096 | 0: 0d 00 00 00 1b 00 47 00 01 d9 01 be 01 af 01 a0 ......G......... | 16: 01 91 01 82 01 73 01 64 01 55 01 46 01 37 01 28 .....s.d.U.F.7.( | 32: 01 19 01 0a 00 fb 00 ec 00 dd 00 ce 00 bf 00 b0 ................ | 48: 00 a1 00 92 00 83 00 74 00 65 00 56 00 47 00 00 .......t.e.V.G.. | 64: 00 00 00 00 00 00 00 0d 21 00 00 48 01 54 00 01 ........!..H.T.. | 80: f7 01 ec 01 c5 01 0d 20 00 00 48 01 54 00 01 f7 ....... ..H.T... | 96: 01 ec 01 c5 01 0d 1f 00 00 48 01 54 00 01 f7 01 .........H.T.... | 112: ec 01 c5 01 0d 1e 00 00 48 01 54 00 01 f7 01 ec ........H.T..... | 128: 01 c5 01 0d 1d 00 00 48 01 54 00 01 f7 01 ec 01 .......H.T...... | 144: c5 01 0d 1c 00 00 48 01 54 00 01 f7 01 ec 01 c5 ......H.T....... | 160: 01 0d 1b 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 .....H.T........ | 176: 0d 1a 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 0d ....H.T......... | 192: 19 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 0d 18 ...H.T.......... | 208: 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 0d 17 00 ..H.T........... | 224: 00 48 01 54 00 01 f7 01 ec 01 c5 01 0d 16 00 00 .H.T............ | 240: 48 01 54 00 01 f7 01 ec 01 c5 01 0d 15 00 00 48 H.T............H | 256: 01 54 00 01 f7 01 ec 01 c5 01 0d 14 00 00 48 01 .T............H. | 272: 54 00 01 f7 01 ec 01 c5 01 0d 13 00 00 48 01 54 T............H.T | 288: 00 01 f7 01 ec 01 c5 01 0d 12 00 00 48 01 54 00 ............H.T. | 304: 01 f7 01 ec 01 c5 01 0d 11 00 00 48 01 54 00 01 ...........H.T.. | 320: f7 01 ec 01 c5 01 0d 10 00 00 48 01 54 00 01 f7 ..........H.T... | 336: 01 ec 01 c5 01 0d 0f 00 00 48 01 54 00 01 f7 01 .........H.T.... | 352: ec 01 c5 01 0d 0e 00 00 48 01 54 00 01 f7 01 ec ........H.T..... | 368: 01 c5 01 0d 0d 00 00 48 01 54 00 01 f7 01 ec 01 .......H.T...... | 384: c5 01 0d 0c 00 00 48 01 54 00 01 f7 01 ec 01 c5 ......H.T....... | 400: 01 0d 0b 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 .....H.T........ | 416: 0d 0a 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 0d ....H.T......... | 432: 09 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 19 08 ...H.T.......... | 448: 05 17 17 17 17 65 69 67 68 74 65 69 67 68 74 73 .....eighteights | 464: 65 76 65 6e 73 65 76 65 6e 25 07 05 07 07 07 07 evenseven%...... | 480: 40 18 00 00 00 00 00 00 40 18 00 00 00 00 00 00 @.......@....... | 496: 40 14 00 00 00 00 00 00 40 14 00 00 00 00 00 00 @.......@....... | page 10 offset 4608 | 0: 0d 00 00 00 1d 00 4d 00 01 f1 01 e2 01 d3 01 c4 ......M......... | 16: 01 b5 01 a6 01 97 01 88 01 79 01 6a 01 5b 01 4c .........y.j.[.L | 32: 01 3d 01 2e 01 1f 01 10 01 01 00 f2 00 e3 00 d4 .=.............. | 48: 00 c5 00 b6 00 a7 00 98 00 89 00 7a 00 6b 00 5c ...........z.k.\ | 64: 00 4d 00 00 00 00 00 00 00 00 00 00 00 0d 3e 00 .M............>. | 80: 00 48 01 54 00 01 f7 01 ec 01 c5 01 0d 3d 00 00 .H.T.........=.. | 96: 48 01 54 00 01 f7 01 ec 01 c5 01 0d 3c 00 00 48 H.T.........<..H | 112: 01 54 00 01 f7 01 ec 01 c5 01 0d 3b 00 00 48 01 .T.........;..H. | 128: 54 00 01 f7 01 ec 01 c5 01 0d 3a 00 00 48 01 54 T.........:..H.T | 144: 00 01 f7 01 ec 01 c5 01 0d 39 00 00 48 01 54 00 .........9..H.T. | 160: 01 f7 01 ec 01 c5 01 0d 38 00 00 48 01 54 00 01 ........8..H.T.. | 176: f7 01 ec 01 c5 01 0d 37 00 00 48 01 54 00 01 f7 .......7..H.T... | 192: 01 ec 01 c5 01 0d 36 00 00 48 01 54 00 01 f7 01 ......6..H.T.... | 208: ec 01 c5 01 0d 35 00 00 48 01 54 00 01 f7 01 ec .....5..H.T..... | 224: 01 c5 01 0d 34 00 00 48 01 54 00 01 f7 01 ec 01 ....4..H.T...... | 240: c5 01 0d 33 00 00 48 01 54 00 01 f7 01 ec 01 c5 ...3..H.T....... | 256: 01 0d 32 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 ..2..H.T........ | 272: 0d 31 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 0d .1..H.T......... | 288: 30 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 0d 2f 0..H.T........./ | 304: 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 0d 2e 00 ..H.T........... | 320: 00 48 01 54 00 01 f7 01 ec 01 c5 01 0d 2d 00 00 .H.T.........-.. | 336: 48 01 54 00 01 f7 01 ec 01 c5 01 0d 2c 00 00 48 H.T.........,..H | 352: 01 54 00 01 f7 01 ec 01 c5 01 0d 2b 00 00 48 01 .T.........+..H. | 368: 54 00 01 f7 01 ec 01 c5 01 0d 2a 00 00 48 01 54 T.........*..H.T | 384: 00 01 f7 01 ec 01 c5 01 0d 29 00 00 48 01 54 00 .........)..H.T. | 400: 01 f7 01 ec 01 c5 01 0d 28 00 00 48 01 54 00 01 ........(..H.T.. | 416: f7 01 ec 01 c5 01 0d 27 00 00 48 01 54 00 01 f7 .......'..H.T... | 432: 01 ec 01 c5 01 0d 26 00 00 48 01 54 00 01 f7 01 ......&..H.T.... | 448: ec 01 c5 01 0d 25 00 00 48 01 54 00 01 f7 01 ec .....%..H.T..... | 464: 01 c5 01 0d 24 00 00 48 01 54 00 01 f7 01 ec 01 ....$..H.T...... | 480: c5 01 0d 23 00 00 48 01 54 00 01 f7 01 ec 01 c5 ...#..H.T....... | 496: 01 0d 22 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 .."..H.T........ | page 11 offset 5120 | 0: 0d 00 00 00 0a 01 6a 00 01 f1 01 e2 01 d3 01 c4 ......j......... | 16: 01 b5 01 a6 01 97 01 88 01 79 01 6a 00 00 00 00 .........y.j.... | 352: 00 00 00 00 00 00 00 00 00 00 0d 48 00 00 48 01 ...........H..H. | 368: 54 00 01 f7 01 ec 01 c5 01 0d 47 00 00 48 01 54 T.........G..H.T | 384: 00 01 f7 01 ec 01 c5 01 0d 46 00 00 48 01 54 00 .........F..H.T. | 400: 01 f7 01 ec 01 c5 01 0d 45 00 00 48 01 54 00 01 ........E..H.T.. | 416: f7 01 ec 01 c5 01 0d 44 00 00 48 01 54 00 01 f7 .......D..H.T... | 432: 01 ec 01 c5 01 0d 43 00 00 48 01 54 00 01 f7 01 ......C..H.T.... | 448: ec 01 c5 01 0d 42 00 00 48 01 54 00 01 f7 01 ec .....B..H.T..... | 464: 01 c5 01 0d 41 00 00 48 01 54 00 01 f7 01 ec 01 ....A..H.T...... | 480: c5 01 0d 40 00 00 48 01 54 00 01 f7 01 ec 01 c5 ...@..H.T....... | 496: 01 0d 3f 00 00 48 01 54 00 01 f7 01 ec 01 c5 01 ..?..H.T........ | end c4.db }] db eval {PRAGMA integrity_check} } {/Fragmentation of 384 bytes reported as 0 on page 8/} finish_test |