[PATCH V2 6/7] ntdll: Perform the Unix-style hidden file check within the unified file info grabbing routine.
Vijay Kiran Kamuju
infyquest at gmail.com
Sat Apr 27 21:20:03 CDT 2019
From: "Erich E. Hoover" <erich.e.hoover at gmail.com>
From: Erich E. Hoover <erich.e.hoover at gmail.com>
Signed-off-by: Vijay Kiran Kamuju <infyquest at gmail.com>
---
dlls/ntdll/directory.c | 15 +++++----------
dlls/ntdll/file.c | 10 ++++------
dlls/ntdll/ntdll_misc.h | 2 +-
3 files changed, 10 insertions(+), 17 deletions(-)
diff --git a/dlls/ntdll/directory.c b/dlls/ntdll/directory.c
index c8534704c4..56737b8784 100644
--- a/dlls/ntdll/directory.c
+++ b/dlls/ntdll/directory.c
@@ -1267,17 +1267,17 @@ static DWORD WINAPI init_options( RTL_RUN_ONCE *once, void *param, void **contex
*
* Check if the specified file should be hidden based on its name and the show dot files option.
*/
-BOOL DIR_is_hidden_file( const UNICODE_STRING *name )
+BOOL DIR_is_hidden_file( const char *name )
{
- WCHAR *p, *end;
+ char *p, *end;
RtlRunOnceExecuteOnce( &init_once, init_options, NULL, NULL );
if (show_dot_files) return FALSE;
- end = p = name->Buffer + name->Length/sizeof(WCHAR);
- while (p > name->Buffer && IS_SEPARATOR(p[-1])) p--;
- while (p > name->Buffer && !IS_SEPARATOR(p[-1])) p--;
+ end = p = (char *)name + strlen(name);
+ while (p > name && IS_SEPARATOR(p[-1])) p--;
+ while (p > name && !IS_SEPARATOR(p[-1])) p--;
if (p == end || *p != '.') return FALSE;
/* make sure it isn't '.' or '..' */
if (p + 1 == end) return FALSE;
@@ -1526,11 +1526,6 @@ static NTSTATUS get_dir_data_entry( struct dir_data *dir_data, void *info_ptr, I
if (class != FileNamesInformation)
{
if (st.st_dev != dir_data->id.dev) st.st_ino = 0; /* ignore inode if on a different device */
-
- if (!show_dot_files && names->long_name[0] == '.' && names->long_name[1] &&
- (names->long_name[1] != '.' || names->long_name[2]))
- attributes |= FILE_ATTRIBUTE_HIDDEN;
-
fill_file_info( &st, attributes, info, class );
}
diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c
index 122f2fd42e..3fefcf0981 100644
--- a/dlls/ntdll/file.c
+++ b/dlls/ntdll/file.c
@@ -218,6 +218,10 @@ int get_file_info( const char *path, struct stat *st, ULONG *attr )
if (S_ISDIR( st->st_mode )) *attr |= FILE_ATTRIBUTE_REPARSE_POINT;
}
*attr |= get_file_attributes( st );
+ /* convert Unix-style hidden files to a DOS hidden file attribute */
+ if (DIR_is_hidden_file( path ))
+ *attr |= FILE_ATTRIBUTE_HIDDEN;
+ /* retrieve any stored DOS attributes */
len = xattr_get( path, SAMBA_XATTR_DOS_ATTRIB, hexattr, sizeof(hexattr)-1 );
if (len == -1) return ret;
*attr |= get_file_xattr( hexattr, len );
@@ -2925,8 +2929,6 @@ NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
info->AllocationSize = std.AllocationSize;
info->EndOfFile = std.EndOfFile;
info->FileAttributes = basic.FileAttributes;
- if (DIR_is_hidden_file( attr->ObjectName ))
- info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
}
RtlFreeAnsiString( &unix_name );
}
@@ -2954,11 +2956,7 @@ NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
status = STATUS_INVALID_INFO_CLASS;
else
- {
status = fill_file_info( &st, attributes, info, FileBasicInformation );
- if (DIR_is_hidden_file( attr->ObjectName ))
- info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
- }
RtlFreeAnsiString( &unix_name );
}
else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
diff --git a/dlls/ntdll/ntdll_misc.h b/dlls/ntdll/ntdll_misc.h
index 6a609123fb..7c9c6cc601 100644
--- a/dlls/ntdll/ntdll_misc.h
+++ b/dlls/ntdll/ntdll_misc.h
@@ -158,7 +158,7 @@ extern NTSTATUS fill_file_info( const struct stat *st, ULONG attr, void *ptr,
FILE_INFORMATION_CLASS class ) DECLSPEC_HIDDEN;
extern NTSTATUS server_get_unix_name( HANDLE handle, ANSI_STRING *unix_name ) DECLSPEC_HIDDEN;
extern void init_directories(void) DECLSPEC_HIDDEN;
-extern BOOL DIR_is_hidden_file( const UNICODE_STRING *name ) DECLSPEC_HIDDEN;
+extern BOOL DIR_is_hidden_file( const char *name ) DECLSPEC_HIDDEN;
extern NTSTATUS DIR_unmount_device( HANDLE handle ) DECLSPEC_HIDDEN;
extern NTSTATUS DIR_get_unix_cwd( char **cwd ) DECLSPEC_HIDDEN;
extern unsigned int DIR_get_drives_info( struct drive_info info[MAX_DOS_DRIVES] ) DECLSPEC_HIDDEN;
--
2.21.0
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