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Revise the SQLITE_OPEN_NOFOLLOW so that it actually uses O_NOFOLLOW in the

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open() system call.  This backs out the SQLITE_ACCESS_SYMLINK value but adds
the new SQLITE_OK_SYMLINK return code from the xFullPathname method of 
sqlite3_vfs when that routine resolves symbolic links. O_NOFOLLOW is always
included in open() system calls for journal files.

FossilOrigin-Name: 6a64fb6a2da6c98f1e87b55ad5689967e1db4eae2e08345471d95e28cd567e0f
This commit is contained in:
drh
2019-11-22 00:42:01 +00:00
parent cd30064bd5
commit c398c65bee
10 changed files with 50 additions and 68 deletions
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12
src/os_win.c
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@@ -80,14 +80,6 @@
# define NTDDI_WINTHRESHOLD 0x06040000
#endif
/*
** This constant is needed by the winAccess function; therefore, define
** it when it is missing from the SDK header files.
*/
#ifndef FILE_ATTRIBUTE_REPARSE_POINT
# define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400
#endif
/*
** Check to see if the GetVersionEx[AW] functions are deprecated on the
** target system. GetVersionEx was first deprecated in Win8.1.
@@ -5480,10 +5472,6 @@ static int winAccess(
rc = attr!=INVALID_FILE_ATTRIBUTES &&
(attr & FILE_ATTRIBUTE_READONLY)==0;
break;
case SQLITE_ACCESS_SYMLINK:
rc = attr!=INVALID_FILE_ATTRIBUTES &&
(attr & FILE_ATTRIBUTE_REPARSE_POINT)!=0;
break;
default:
assert(!"Invalid flags argument");
}