condition.
* path.cc (path_conv::check): Get file system type in call to
GetVolumeInformation to check for file systems with buggy CreateFile.
* path.h (enum path_types): Add PATH_HASBUGGYOPEN.
(class path_conv): Add methods `has_buggy_open' and
`set_has_buggy_open'.
+Tue Nov 28 18:08:00 2000 Corinna Vinschen <corinna@vinschen.de>
+
+ * fhandler.cc (fhandler_disk_file::open): Check for buggy CreateFile
+ condition.
+ * path.cc (path_conv::check): Get file system type in call to
+ GetVolumeInformation to check for file systems with buggy CreateFile.
+ * path.h (enum path_types): Add PATH_HASBUGGYOPEN.
+ (class path_conv): Add methods `has_buggy_open' and
+ `set_has_buggy_open'.
+
Sun Nov 26 16:26:14 2000 Christopher Faylor <cgf@cygnus.com>
* fhandler.cc (is_at_eof): New function.
if (!res)
goto out;
+ /* This is for file systems known for having a buggy CreateFile call
+ which might return a valid HANDLE without having actually opened
+ the file.
+ The only known file system to date is the SUN NFS Solstice Client 3.1
+ which returns a valid handle when trying to open a file in a non
+ existant directory. */
+ if (real_path.has_buggy_open ()
+ && GetFileAttributes (win32_path_name_) == (DWORD) -1)
+ {
+ debug_printf ("Buggy open detected.");
+ close ();
+ set_errno (ENOENT);
+ return 0;
+ }
+
extern BOOL allow_ntea;
extern BOOL allow_ntsec;
return;
}
DWORD serial, volflags;
+ char fs_name[16];
strcpy (tmp_buf, full_path);
if (!rootdir (tmp_buf) ||
- !GetVolumeInformation (tmp_buf, NULL, 0, &serial, NULL, &volflags, NULL, 0))
+ !GetVolumeInformation (tmp_buf, NULL, 0, &serial, NULL,
+ &volflags, fs_name, 16))
{
debug_printf ("GetVolumeInformation(%s) = ERR, full_path(%s), set_has_acls(FALSE)",
tmp_buf, full_path, GetLastError ());
set_has_acls (FALSE);
+ set_has_buggy_open (FALSE);
}
else
{
debug_printf ("GetVolumeInformation(%s) = OK, full_path(%s), set_has_acls(%d)",
tmp_buf, full_path, volflags & FS_PERSISTENT_ACLS);
set_has_acls (volflags & FS_PERSISTENT_ACLS);
+ /* Known file systems with buggy open calls. Further explanation
+ in fhandler.cc (fhandler_disk_file::open). */
+ set_has_buggy_open (strcmp (fs_name, "SUNWNFS") == 0);
}
#if 0
PATH_EXEC = MOUNT_EXEC,
PATH_CYGWIN_EXEC = MOUNT_CYGWIN_EXEC,
PATH_ALL_EXEC = PATH_CYGWIN_EXEC | PATH_EXEC,
- PATH_SOCKET = 0x40000000,
- PATH_HASACLS = 0x80000000
+ PATH_HASBUGGYOPEN = 0x20000000,
+ PATH_SOCKET = 0x40000000,
+ PATH_HASACLS = 0x80000000
};
class path_conv
int has_acls () {return path_flags & PATH_HASACLS;}
int hasgood_inode () {return path_flags & PATH_HASACLS;} // Not strictly correct
+ int has_buggy_open () {return path_flags & PATH_HASBUGGYOPEN;}
int isbinary () {return path_flags & PATH_BINARY;}
int issymlink () {return path_flags & PATH_SYMLINK;}
int issocket () {return path_flags & PATH_SOCKET;}
void set_symlink () {path_flags |= PATH_SYMLINK;}
void set_exec (int x = 1) {path_flags |= x ? PATH_EXEC : PATH_NOTHING;}
void set_has_acls (int x = 1) {path_flags |= x ? PATH_HASACLS : PATH_NOTHING;}
+ void set_has_buggy_open (int x = 1) {path_flags |= x ? PATH_HASBUGGYOPEN : PATH_NOTHING;}
char *known_suffix;