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Overview
Comment: | Fix test for buffer overrun in unixGettempname(). Fix for #3091. (CVS 5069) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
fc0ca647bd1c7c953bb0f3eb7d347157 |
User & Date: | danielk1977 2008-04-30 08:56:10.000 |
Context
2008-04-30
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15:55 | Improved option handling in speedtest8.c. Added -quiet and -priority options. Added reporting of total user and system time. (CVS 5070) (check-in: aa59974ec1 user: shane tags: trunk) | |
08:56 | Fix test for buffer overrun in unixGettempname(). Fix for #3091. (CVS 5069) (check-in: fc0ca647bd user: danielk1977 tags: trunk) | |
2008-04-29
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15:38 | Zero the per-pager temporary space allocation to avoid warnings from valgrind. (CVS 5068) (check-in: f854ae576e user: drh tags: trunk) | |
Changes
Changes to src/os_unix.c.
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2516 2517 2518 2519 2520 2521 2522 | if( azDirs[i]==0 ) continue; if( stat(azDirs[i], &buf) ) continue; if( !S_ISDIR(buf.st_mode) ) continue; if( access(azDirs[i], 07) ) continue; zDir = azDirs[i]; break; } | > > > > | > | 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 | if( azDirs[i]==0 ) continue; if( stat(azDirs[i], &buf) ) continue; if( !S_ISDIR(buf.st_mode) ) continue; if( access(azDirs[i], 07) ) continue; zDir = azDirs[i]; break; } /* Check that the output buffer is large enough for the temporary file ** name. If it is not, return SQLITE_ERROR. */ if( (strlen(zDir) + strlen(SQLITE_TEMP_FILE_PREFIX) + 17) >= nBuf ){ return SQLITE_ERROR; } do{ assert( pVfs->mxPathname==MAX_PATHNAME ); sqlite3_snprintf(nBuf-17, zBuf, "%s/"SQLITE_TEMP_FILE_PREFIX, zDir); j = strlen(zBuf); sqlite3_randomness(15, &zBuf[j]); for(i=0; i<15; i++, j++){ zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ]; |
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