Fossil

Check-in [7bd36bc5]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Use generic hash validity checking in the purge.c module.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | fossil-2.0
Files: files | file ages | folders
SHA1: 7bd36bc52dca8d524fd235302e3e701f6d939292
User & Date: drh 2017-03-01 00:49:13
Context
2017-03-01
11:29
Omit SHA3-224 as an option. The only two artifact naming hash options are SHA1 and SHA3-256. check-in: c8866287 user: drh tags: fossil-2.0
00:49
Use generic hash validity checking in the purge.c module. check-in: 7bd36bc5 user: drh tags: fossil-2.0
00:35
Merge updates from trunk. check-in: fcc9116a user: drh tags: fossil-2.0
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/purge.c.

345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
...
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
...
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
*/
static int purge_extract_item(
  int piid,            /* ID of the item to extract */
  Blob *pOut           /* Write the content into this blob */
){
  Stmt q;
  int srcid;
  Blob h1, h2, x;
  static Bag busy;

  db_prepare(&q, "SELECT uuid, srcid, data FROM purgeitem"
                 " WHERE piid=%d", piid);
  if( db_step(&q)!=SQLITE_ROW ){
    db_finalize(&q);
    fossil_fatal("missing purge-item %d", piid);
................................................................................
    blob_reset(pOut);
    *pOut = out;
    blob_reset(&baseline);
  }
  bag_remove(&busy, piid);
  blob_zero(&h1);
  db_column_blob(&q, 0, &h1);
  sha1sum_blob(pOut, &h2);
  if( blob_compare(&h1, &h2)!=0 ){
    fossil_fatal("SHA1 hash mismatch - wanted %s, got %s",
                 blob_str(&h1), blob_str(&h2));
  }
  blob_reset(&h1);
  blob_reset(&h2);
  db_finalize(&q);
  return 0;
}

/*
** There is a TEMP table ix(piid,srcid) containing a set of purgeitems
** that need to be transferred to the BLOB table.  This routine does
................................................................................
     "SELECT uuid, data, isPrivate, ix.piid"
     "  FROM ix, purgeitem"
     " WHERE ix.srcid=%d"
     "   AND ix.piid=purgeitem.piid;",
     iSrc
  );
  while( db_step(&q)==SQLITE_ROW ){
    Blob h1, h2, c1, c2;
    int isPriv, rid;
    blob_zero(&h1);
    db_column_blob(&q, 0, &h1);
    blob_zero(&c1);
    db_column_blob(&q, 1, &c1);
    blob_uncompress(&c1, &c1);
    blob_zero(&c2);
    if( pBasis ){
      blob_delta_apply(pBasis, &c1, &c2);
      blob_reset(&c1);
    }else{
      c2 = c1;
    }
    sha1sum_blob(&c2, &h2);
    if( blob_compare(&h1, &h2)!=0 ){
      fossil_fatal("SHA1 hash mismatch - wanted %s, got %s",
                   blob_str(&h1), blob_str(&h2));
    }
    blob_reset(&h2);
    isPriv = db_column_int(&q, 2);
    rid = content_put_ex(&c2, blob_str(&h1), 0, 0, isPriv);
    if( rid==0 ){
      fossil_fatal("%s", g.zErrMsg);
    }else{
      if( !isPriv ) content_make_public(rid);
      content_get(rid, &c1);







|







 







|
|
<
<


<







 







|













|
|
<
<

<







345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
...
374
375
376
377
378
379
380
381
382


383
384

385
386
387
388
389
390
391
...
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428


429

430
431
432
433
434
435
436
*/
static int purge_extract_item(
  int piid,            /* ID of the item to extract */
  Blob *pOut           /* Write the content into this blob */
){
  Stmt q;
  int srcid;
  Blob h1, x;
  static Bag busy;

  db_prepare(&q, "SELECT uuid, srcid, data FROM purgeitem"
                 " WHERE piid=%d", piid);
  if( db_step(&q)!=SQLITE_ROW ){
    db_finalize(&q);
    fossil_fatal("missing purge-item %d", piid);
................................................................................
    blob_reset(pOut);
    *pOut = out;
    blob_reset(&baseline);
  }
  bag_remove(&busy, piid);
  blob_zero(&h1);
  db_column_blob(&q, 0, &h1);
  if( hname_verify_hash(pOut, blob_buffer(&h1), blob_size(&h1))==0 ){
    fossil_fatal("incorrect artifact hash on %b", &h1);


  }
  blob_reset(&h1);

  db_finalize(&q);
  return 0;
}

/*
** There is a TEMP table ix(piid,srcid) containing a set of purgeitems
** that need to be transferred to the BLOB table.  This routine does
................................................................................
     "SELECT uuid, data, isPrivate, ix.piid"
     "  FROM ix, purgeitem"
     " WHERE ix.srcid=%d"
     "   AND ix.piid=purgeitem.piid;",
     iSrc
  );
  while( db_step(&q)==SQLITE_ROW ){
    Blob h1, c1, c2;
    int isPriv, rid;
    blob_zero(&h1);
    db_column_blob(&q, 0, &h1);
    blob_zero(&c1);
    db_column_blob(&q, 1, &c1);
    blob_uncompress(&c1, &c1);
    blob_zero(&c2);
    if( pBasis ){
      blob_delta_apply(pBasis, &c1, &c2);
      blob_reset(&c1);
    }else{
      c2 = c1;
    }
    if( hname_verify_hash(&c2, blob_buffer(&h1), blob_size(&h1))==0 ){
      fossil_fatal("incorrect hash on %b", &h1);


    }

    isPriv = db_column_int(&q, 2);
    rid = content_put_ex(&c2, blob_str(&h1), 0, 0, isPriv);
    if( rid==0 ){
      fossil_fatal("%s", g.zErrMsg);
    }else{
      if( !isPriv ) content_make_public(rid);
      content_get(rid, &c1);