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Overview
| Comment: | Ensure all file names passed to the VFS layer are double-zero terminated. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
251230cf43c591cf49cf9d2f392581c5 |
| User & Date: | mistachkin 2019-11-18 22:34:07 |
Context
|
2019-11-18
| ||
| 23:48 | Add support for the SQLITE_ACCESS_SYMLINK flag in the Win32 VFS. check-in: 175c1500 user: mistachkin tags: trunk | |
| 22:34 | Ensure all file names passed to the VFS layer are double-zero terminated. check-in: 251230cf user: mistachkin tags: trunk | |
| 18:43 | In the SQLITE_OPEN_NOFOLLOW processing, distinguish between an I/O error on the xAccess() call and an actual symlink encounter. check-in: 2e98b42f user: drh tags: trunk | |
Changes
Changes to src/pager.c.
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** containing the master journal filename is corrupted. This means
** definitely roll back, so just return SQLITE_OK and report a (nul)
** master-journal filename.
*/
len = 0;
}
zMaster[len] = '\0';
return SQLITE_OK;
}
/*
** Return the offset of the sector boundary at or immediately
** following the value in pPager->journalOff, assuming a sector
................................................................................
** sqlite3_malloc() and pointed to by zMasterJournal. Also obtain
** sufficient space (in zMasterPtr) to hold the names of master
** journal files extracted from regular rollback-journals.
*/
rc = sqlite3OsFileSize(pMaster, &nMasterJournal);
if( rc!=SQLITE_OK ) goto delmaster_out;
nMasterPtr = pVfs->mxPathname+1;
zMasterJournal = sqlite3Malloc(nMasterJournal + nMasterPtr + 1);
if( !zMasterJournal ){
rc = SQLITE_NOMEM_BKPT;
goto delmaster_out;
}
zMasterPtr = &zMasterJournal[nMasterJournal+1];
rc = sqlite3OsRead(pMaster, zMasterJournal, (int)nMasterJournal, 0);
if( rc!=SQLITE_OK ) goto delmaster_out;
zMasterJournal[nMasterJournal] = 0;
zJournal = zMasterJournal;
while( (zJournal-zMasterJournal)<nMasterJournal ){
int exists;
rc = sqlite3OsAccess(pVfs, zJournal, SQLITE_ACCESS_EXISTS, &exists);
if( rc!=SQLITE_OK ){
goto delmaster_out;
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>
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>
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....
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** containing the master journal filename is corrupted. This means
** definitely roll back, so just return SQLITE_OK and report a (nul)
** master-journal filename.
*/
len = 0;
}
zMaster[len] = '\0';
zMaster[len+1] = '\0';
return SQLITE_OK;
}
/*
** Return the offset of the sector boundary at or immediately
** following the value in pPager->journalOff, assuming a sector
................................................................................
** sqlite3_malloc() and pointed to by zMasterJournal. Also obtain
** sufficient space (in zMasterPtr) to hold the names of master
** journal files extracted from regular rollback-journals.
*/
rc = sqlite3OsFileSize(pMaster, &nMasterJournal);
if( rc!=SQLITE_OK ) goto delmaster_out;
nMasterPtr = pVfs->mxPathname+1;
zMasterJournal = sqlite3Malloc(nMasterJournal + nMasterPtr + 2);
if( !zMasterJournal ){
rc = SQLITE_NOMEM_BKPT;
goto delmaster_out;
}
zMasterPtr = &zMasterJournal[nMasterJournal+2];
rc = sqlite3OsRead(pMaster, zMasterJournal, (int)nMasterJournal, 0);
if( rc!=SQLITE_OK ) goto delmaster_out;
zMasterJournal[nMasterJournal] = 0;
zMasterJournal[nMasterJournal+1] = 0;
zJournal = zMasterJournal;
while( (zJournal-zMasterJournal)<nMasterJournal ){
int exists;
rc = sqlite3OsAccess(pVfs, zJournal, SQLITE_ACCESS_EXISTS, &exists);
if( rc!=SQLITE_OK ){
goto delmaster_out;
|
Changes to src/vdbeaux.c.
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i64 offset = 0;
int res;
int retryCount = 0;
int nMainFile;
/* Select a master journal file name */
nMainFile = sqlite3Strlen30(zMainFile);
zMaster = sqlite3MPrintf(db, "%s-mjXXXXXX9XXz", zMainFile);
if( zMaster==0 ) return SQLITE_NOMEM_BKPT;
do {
u32 iRandom;
if( retryCount ){
if( retryCount>100 ){
sqlite3_log(SQLITE_FULL, "MJ delete: %s", zMaster);
sqlite3OsDelete(pVfs, zMaster, 0);
|
| |
2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 |
i64 offset = 0;
int res;
int retryCount = 0;
int nMainFile;
/* Select a master journal file name */
nMainFile = sqlite3Strlen30(zMainFile);
zMaster = sqlite3MPrintf(db, "%s-mjXXXXXX9XXz%c%c", zMainFile, 0, 0);
if( zMaster==0 ) return SQLITE_NOMEM_BKPT;
do {
u32 iRandom;
if( retryCount ){
if( retryCount>100 ){
sqlite3_log(SQLITE_FULL, "MJ delete: %s", zMaster);
sqlite3OsDelete(pVfs, zMaster, 0);
|