2 * captive vfs 'directory' interface to reactos of sandbox slave
3 * Copyright (C) 2002-2003 Jan Kratochvil <project-captive@jankratochvil.net>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; exactly version 2 of June 1991 is required
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "directory-slave.h" /* self */
23 #include "captive/client-directory.h" /* for CaptiveDirectoryObject */
24 #include "directory.h" /* for CaptiveDirectoryObject priv */
26 #include <glib/gmessages.h>
27 #include "captive/unicode.h"
28 #include "reactos/ntos/types.h" /* for HANDLE */
29 #include "reactos/ddk/iotypes.h" /* for IO_STATUS_BLOCK */
30 #include "reactos/ddk/iofuncs.h" /* for IoCreateFile() */
32 #include "captive/leave.h"
33 #include "captive/usecount.h"
35 #include "vfs-slave.h"
38 static gpointer captive_directory_slave_object_parent_class=NULL;
40 static GnomeVFSResult captive_directory_slave_close(CaptiveDirectoryObject *captive_directory_object);
41 static GnomeVFSResult captive_directory_slave_read
42 (CaptiveDirectoryObject *captive_directory_object,GnomeVFSFileInfo *file_info);
43 static GnomeVFSResult captive_directory_slave_remove(CaptiveDirectoryObject *captive_directory_object);
46 static void captive_directory_slave_object_finalize(CaptiveDirectorySlaveObject *captive_directory_slave_object)
48 g_return_if_fail(captive_directory_slave_object!=NULL);
50 captive_directory_slave_close(CAPTIVE_DIRECTORY_OBJECT(captive_directory_slave_object)); /* errors ignored */
52 G_OBJECT_CLASS(captive_directory_slave_object_parent_class)->finalize((GObject *)captive_directory_slave_object);
56 static void captive_directory_slave_object_class_init(CaptiveDirectorySlaveObjectClass *class)
58 GObjectClass *gobject_class=G_OBJECT_CLASS(class);
59 CaptiveDirectoryObjectClass *captive_directory_object_class=CAPTIVE_DIRECTORY_OBJECT_CLASS(class);
61 captive_directory_slave_object_parent_class=g_type_class_ref(g_type_parent(G_TYPE_FROM_CLASS(class)));
62 gobject_class->finalize=(void (*)(GObject *object))captive_directory_slave_object_finalize;
63 captive_directory_object_class->read=captive_directory_slave_read;
64 captive_directory_object_class->remove=captive_directory_slave_remove;
68 static void captive_directory_slave_object_init(CaptiveDirectorySlaveObject *captive_directory_slave_object)
70 captive_directory_slave_object->dir_Handle=NULL;
71 captive_directory_slave_object->read_first=TRUE;
72 captive_directory_slave_object->CaptiveDirectorySlaveObject_QueryDirectory_type=
73 CaptiveDirectorySlaveObject_QueryDirectory_type_FileIdBothDirInformation;
77 GType captive_directory_slave_object_get_type(void)
79 static GType captive_directory_slave_object_type=0;
81 if (!captive_directory_slave_object_type) {
82 static const GTypeInfo captive_directory_slave_object_info={
83 sizeof(CaptiveDirectorySlaveObjectClass),
85 NULL, /* base_finalize */
86 (GClassInitFunc)captive_directory_slave_object_class_init,
87 NULL, /* class_finalize */
88 NULL, /* class_data */
89 sizeof(CaptiveDirectorySlaveObject),
91 (GInstanceInitFunc)captive_directory_slave_object_init,
94 captive_directory_slave_object_type=g_type_register_static(CAPTIVE_DIRECTORY_TYPE_OBJECT,
95 "CaptiveDirectorySlaveObject",&captive_directory_slave_object_info,0);
98 return captive_directory_slave_object_type;
102 static GnomeVFSResult captive_directory_slave_new_internal
103 (CaptiveDirectorySlaveObject *captive_directory_slave_object,const gchar *pathname,gboolean create,guint create_perm)
105 GnomeVFSResult errvfsresult;
106 OBJECT_ATTRIBUTES dir_ObjectAttributes;
108 IO_STATUS_BLOCK dir_IoStatusBlock;
111 g_return_val_if_fail(captive_directory_slave_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
112 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
114 errvfsresult=captive_ObjectAttributes_init(pathname,&dir_ObjectAttributes);
115 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
117 /* wanted: * IoCreateFile()->ObCreateObject(,,,IoFileObjectType)->
118 * ->(IoFileObjectType->Create==IopCreateFile)()->IoMountVolume()
121 &dir_Handle, /* FileHandle */
122 FILE_LIST_DIRECTORY, /* DesiredAccess */
123 &dir_ObjectAttributes, /* ObjectAttributes */
124 &dir_IoStatusBlock, /* IoStatusBlock */
125 NULL, /* AllocationSize; ignored for open */
126 (!create || create_perm&0200 ? FILE_ATTRIBUTE_NORMAL: FILE_ATTRIBUTE_READONLY), /* FileAttributes; ignored for open */
127 (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE), /* ShareAccess; 0 means exclusive */
128 (!create ? FILE_OPEN : FILE_CREATE), /* CreateDisposition */
129 /* FILE_SYNCHRONOUS_IO_{,NON}ALERT: We need to allow W32 filesystem
130 * any waits to not to let it return STATUS_CANT_WAIT us.
131 * Alertability should have only effect on asynchronous events
132 * from KeWaitForSingleObject() by setting/clearing its parameter 'Alertable'.
134 FILE_DIRECTORY_FILE|FILE_SYNCHRONOUS_IO_ALERT, /* CreateOptions */
137 CreateFileTypeNone, /* CreateFileType */
138 NULL, /* ExtraCreateParameters */
140 g_free(dir_ObjectAttributes.ObjectName); /* left from captive_gnomevfs_uri_parent_init() */
141 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(dir_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
142 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
144 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
145 g_return_val_if_fail(dir_IoStatusBlock.Information
146 ==(!create ? FILE_OPENED : FILE_CREATED),
147 GNOME_VFS_ERROR_GENERIC);
149 captive_directory_slave_object->dir_Handle=dir_Handle;
155 GnomeVFSResult captive_directory_slave_new_open(CaptiveDirectoryObject **captive_directory_object_return,
156 CaptiveVfsObject *captive_vfs_object,const gchar *pathname)
159 CaptiveDirectorySlaveObject *captive_directory_slave_object;
161 g_return_val_if_fail(captive_directory_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
162 g_return_val_if_fail(CAPTIVE_VFS_SLAVE_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
163 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
165 captive_directory_slave_object=g_object_new(
166 CAPTIVE_DIRECTORY_SLAVE_TYPE_OBJECT, /* object_type */
167 NULL); /* first_property_name; FIXME: support properties */
169 captive_directory_init(CAPTIVE_DIRECTORY_OBJECT(captive_directory_slave_object),captive_vfs_object);
171 *captive_directory_object_return=CAPTIVE_DIRECTORY_OBJECT(captive_directory_slave_object);
173 r=captive_directory_slave_new_internal(captive_directory_slave_object,pathname,
175 0); /* create_perm; ignored */
179 captive_usecount(+1);
181 g_object_unref(captive_directory_slave_object);
182 *captive_directory_object_return=NULL;
188 GnomeVFSResult captive_directory_slave_new_make(CaptiveDirectoryObject **captive_directory_object_return,
189 CaptiveVfsObject *captive_vfs_object,const gchar *pathname,guint perm)
192 CaptiveDirectorySlaveObject *captive_directory_slave_object;
194 g_return_val_if_fail(captive_directory_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
195 g_return_val_if_fail(CAPTIVE_VFS_SLAVE_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
196 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
198 captive_directory_slave_object=g_object_new(
199 CAPTIVE_DIRECTORY_SLAVE_TYPE_OBJECT, /* object_type */
200 NULL); /* first_property_name; FIXME: support properties */
202 captive_directory_init(CAPTIVE_DIRECTORY_OBJECT(captive_directory_slave_object),captive_vfs_object);
204 *captive_directory_object_return=CAPTIVE_DIRECTORY_OBJECT(captive_directory_slave_object);
206 r=captive_directory_slave_new_internal(captive_directory_slave_object,pathname,
208 perm); /* create_perm; ignored */
212 captive_usecount(+1);
214 g_object_unref(captive_directory_slave_object);
215 *captive_directory_object_return=NULL;
221 static GnomeVFSResult FileIdBothDirInformation_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
222 FILE_ID_BOTH_DIR_INFORMATION *FileIdBothDirInformation,IO_STATUS_BLOCK *IoStatusBlock)
224 UNICODE_STRING FileName_UnicodeString;
227 g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_GENERIC);
228 g_return_val_if_fail(FileIdBothDirInformation!=NULL,GNOME_VFS_ERROR_GENERIC);
229 g_return_val_if_fail(IoStatusBlock!=NULL,GNOME_VFS_ERROR_GENERIC);
231 g_return_val_if_fail(NT_SUCCESS(IoStatusBlock->Status),GNOME_VFS_ERROR_GENERIC);
232 /* do not exceed the returned buffer by this record; Redundant now, see below. */
233 g_assert((gpointer)(((char *)FileIdBothDirInformation)+FileIdBothDirInformation->NextEntryOffset)
234 <=(gpointer)(((char *)FileIdBothDirInformation)+IoStatusBlock->Information));
235 /* '->NextEntryOffset' is ==0 as we used 'ReturnSingleEntry==TRUE' */
236 g_assert(FileIdBothDirInformation->NextEntryOffset==0);
238 file_info->valid_fields=0;
240 FileName_UnicodeString.Length=FileIdBothDirInformation->FileNameLength;
241 FileName_UnicodeString.MaximumLength=FileIdBothDirInformation->FileNameLength
242 +sizeof(*FileIdBothDirInformation->FileName); /* 0-terminator */
243 g_assert((gpointer)(((char *)FileIdBothDirInformation->FileName)+FileName_UnicodeString.Length)
244 <=(gpointer)(((char *)FileIdBothDirInformation)+IoStatusBlock->Information));
245 /* ensure we fit below '->IoStatusBlock->Information' at least without the 0-terminator */
246 FileIdBothDirInformation->FileName[FileIdBothDirInformation->FileNameLength
247 /sizeof(*FileIdBothDirInformation->FileName)]=0; /* 0-terminate it */
248 FileName_UnicodeString.Buffer=FileIdBothDirInformation->FileName;
249 file_info->name=captive_UnicodeString_to_utf8_malloc(&FileName_UnicodeString);
250 /* '->name' assumed for 'file_info->valid_fields' */
252 /* FIXME: What is 'FILE_ATTRIBUTE_NORMAL'? */
253 switch (FileIdBothDirInformation->FileAttributes & (0
254 | FILE_ATTRIBUTE_DIRECTORY
255 | FILE_ATTRIBUTE_DEVICE)) {
256 case 0: file_info->type=GNOME_VFS_FILE_TYPE_REGULAR; break;
257 case FILE_ATTRIBUTE_DIRECTORY: file_info->type=GNOME_VFS_FILE_TYPE_DIRECTORY; break;
258 case FILE_ATTRIBUTE_DEVICE: file_info->type=GNOME_VFS_FILE_TYPE_SOCKET;
259 /* or GNOME_VFS_FILE_TYPE_CHARACTER_DEVICE or GNOME_VFS_FILE_TYPE_BLOCK_DEVICE ? */
261 default: file_info->type=GNOME_VFS_FILE_TYPE_UNKNOWN; break;
263 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_TYPE;
265 /* we use 0600 for r/w files, 0400 for FILE_ATTRIBUTE_READONLY */
266 file_info->permissions=GNOME_VFS_PERM_USER_READ;
267 if (file_info->type==GNOME_VFS_FILE_TYPE_DIRECTORY)
268 file_info->permissions|=GNOME_VFS_PERM_USER_EXEC;
269 if (!(FileIdBothDirInformation->FileAttributes & FILE_ATTRIBUTE_READONLY))
270 file_info->permissions|=GNOME_VFS_PERM_USER_WRITE;
271 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS;
273 file_info->size=FileIdBothDirInformation->EndOfFile.QuadPart;
274 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_SIZE;
276 file_info->block_count=FileIdBothDirInformation->AllocationSize.QuadPart/512;
277 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_BLOCK_COUNT;
279 file_info->flags=GNOME_VFS_FILE_FLAGS_LOCAL;
280 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_FLAGS;
282 if (FileIdBothDirInformation->LastAccessTime.QuadPart) { /* it may be 0 if not set */
283 if (RtlTimeToSecondsSince1970(&FileIdBothDirInformation->LastAccessTime,&tmp_ULONG)) {
284 file_info->atime=tmp_ULONG;
285 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_ATIME;
289 /* it may be 0 if not set */
290 if (FileIdBothDirInformation->LastWriteTime.QuadPart || FileIdBothDirInformation->ChangeTime.QuadPart) {
291 if (RtlTimeToSecondsSince1970(
292 /* take the more recent (==bigger) time: */
293 (FileIdBothDirInformation->LastWriteTime.QuadPart > FileIdBothDirInformation->ChangeTime.QuadPart
294 ? &FileIdBothDirInformation->LastWriteTime : &FileIdBothDirInformation->ChangeTime),
296 file_info->mtime=tmp_ULONG;
297 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_MTIME;
301 if (FileIdBothDirInformation->CreationTime.QuadPart) { /* it may be 0 if not set */
302 if (RtlTimeToSecondsSince1970(&FileIdBothDirInformation->CreationTime,&tmp_ULONG)) {
303 file_info->ctime=tmp_ULONG;
304 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_CTIME;
312 static GnomeVFSResult FileBothDirInformation_to_FileIdBothDirInformation(FILE_ID_BOTH_DIR_INFORMATION *FileIdBothDirInformation,
313 FILE_BOTH_DIR_INFORMATION *FileBothDirInformation,IO_STATUS_BLOCK *IoStatusBlock)
315 static LARGE_INTEGER FileId_counter;
317 g_return_val_if_fail(FileIdBothDirInformation!=NULL,GNOME_VFS_ERROR_GENERIC);
318 g_return_val_if_fail(FileBothDirInformation!=NULL,GNOME_VFS_ERROR_GENERIC);
319 g_return_val_if_fail(IoStatusBlock!=NULL,GNOME_VFS_ERROR_GENERIC);
321 g_return_val_if_fail(NT_SUCCESS(IoStatusBlock->Status),GNOME_VFS_ERROR_GENERIC);
322 /* do not exceed the returned buffer by this record; Redundant now, see below. */
323 g_assert((gpointer)(((char *)FileBothDirInformation)+FileBothDirInformation->NextEntryOffset)
324 <=(gpointer)(((char *)FileBothDirInformation)+IoStatusBlock->Information));
325 /* '->NextEntryOffset' is ==0 as we used 'ReturnSingleEntry==TRUE' */
326 g_assert(FileBothDirInformation->NextEntryOffset==0);
328 g_assert((gpointer)(((char *)FileBothDirInformation->FileName)+FileBothDirInformation->FileNameLength)
329 <=(gpointer)(((char *)FileBothDirInformation)+IoStatusBlock->Information));
330 /* ensure we fit below '->IoStatusBlock->Information' at least without the 0-terminator */
331 memcpy(FileIdBothDirInformation->FileName,FileBothDirInformation->FileName,
332 FileBothDirInformation->FileNameLength);
334 /* NextEntryOffset already handled */
335 FileIdBothDirInformation->FileIndex =FileBothDirInformation->FileIndex;
336 FileIdBothDirInformation->CreationTime =FileBothDirInformation->CreationTime;
337 FileIdBothDirInformation->LastAccessTime =FileBothDirInformation->LastAccessTime;
338 FileIdBothDirInformation->LastWriteTime =FileBothDirInformation->LastWriteTime;
339 FileIdBothDirInformation->ChangeTime =FileBothDirInformation->ChangeTime;
340 FileIdBothDirInformation->EndOfFile =FileBothDirInformation->EndOfFile;
341 FileIdBothDirInformation->AllocationSize =FileBothDirInformation->AllocationSize;
342 FileIdBothDirInformation->FileAttributes =FileBothDirInformation->FileAttributes;
343 FileIdBothDirInformation->FileNameLength =FileBothDirInformation->FileNameLength;
344 FileIdBothDirInformation->EaSize =FileBothDirInformation->EaSize;
345 FileIdBothDirInformation->ShortNameLength=FileBothDirInformation->ShortNameLength;
346 g_assert(sizeof(FileIdBothDirInformation->ShortName)==sizeof(FileBothDirInformation->ShortName));
347 memcpy(FileIdBothDirInformation->ShortName,FileBothDirInformation->ShortName,
348 sizeof(FileBothDirInformation->ShortName));
349 /* FIXME: Register filenames for uniqueness;
350 * Not needed now as 'FileId' field not used by libcaptive anywhere anyway.
352 FileIdBothDirInformation->FileId.QuadPart=FileId_counter.QuadPart++;
353 /* FileName already handled */
355 IoStatusBlock->Information=sizeof(*FileIdBothDirInformation)+FileIdBothDirInformation->FileNameLength;
356 /* '->NextEntryOffset' is ==0 as we used 'ReturnSingleEntry==TRUE' */
357 FileIdBothDirInformation->NextEntryOffset=0;
363 static GnomeVFSResult captive_directory_slave_close(CaptiveDirectoryObject *captive_directory_object)
365 CaptiveDirectorySlaveObject *captive_directory_slave_object;
369 g_return_val_if_fail(CAPTIVE_DIRECTORY_SLAVE_IS_OBJECT(captive_directory_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
371 captive_directory_slave_object=CAPTIVE_DIRECTORY_SLAVE_OBJECT(captive_directory_object);
373 if (captive_directory_slave_object->dir_Handle!=NULL) { /* not yet already closed */
374 captive_usecount(-1); /* close() errors notwithstanding */
376 dir_Handle=captive_directory_slave_object->dir_Handle;
377 captive_directory_slave_object->dir_Handle=NULL;
378 err=NtClose(dir_Handle);
379 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
387 static GnomeVFSResult captive_directory_slave_read
388 (CaptiveDirectoryObject *captive_directory_object,GnomeVFSFileInfo *file_info)
390 CaptiveDirectorySlaveObject *captive_directory_slave_object;
392 IO_STATUS_BLOCK dir_IoStatusBlock;
393 FILE_ID_BOTH_DIR_INFORMATION *FileIdBothDirInformation;
394 FILE_BOTH_DIR_INFORMATION *FileBothDirInformation;
395 GnomeVFSResult errvfsresult;
397 g_return_val_if_fail(CAPTIVE_DIRECTORY_SLAVE_IS_OBJECT(captive_directory_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
398 g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
400 captive_directory_slave_object=CAPTIVE_DIRECTORY_SLAVE_OBJECT(captive_directory_object);
402 g_return_val_if_fail(captive_directory_slave_object->dir_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
404 FileIdBothDirInformation=(void *)captive_directory_slave_object->QueryDirectory_buf.FileIdBothDirInformation;
406 switch (captive_directory_slave_object->CaptiveDirectorySlaveObject_QueryDirectory_type) {
408 case CaptiveDirectorySlaveObject_QueryDirectory_type_FileIdBothDirInformation:
409 err=NtQueryDirectoryFile(
410 captive_directory_slave_object->dir_Handle, /* FileHandle */
411 NULL, /* PEvent; completion signalling; optional */
412 NULL, /* ApcRoutine; optional */
413 NULL, /* ApcContext; optional */
414 &dir_IoStatusBlock, /* IoStatusBlock */
415 (gpointer)captive_directory_slave_object->QueryDirectory_buf.FileIdBothDirInformation, /* FileInformation */
416 sizeof(captive_directory_slave_object->QueryDirectory_buf.FileIdBothDirInformation) /* Length */
417 -sizeof(*FileIdBothDirInformation->FileName), /* reserve space for 0-terminator */
418 FileIdBothDirectoryInformation, /* FileInformationClass; =>FILE_ID_BOTH_DIR_INFORMATION */
419 TRUE, /* ReturnSingleEntry */
420 NULL, /* FileName; wildcards possible; optional */
421 captive_directory_slave_object->read_first); /* RestartScan */
422 if (err==STATUS_NO_SUCH_FILE) {
423 /* 'FileIdBothDirInformation' not supported at least by ext2fsd.sys.
424 * Emulate it from 'FileBothDirectoryInformation' here.
426 captive_directory_slave_object->CaptiveDirectorySlaveObject_QueryDirectory_type=
427 CaptiveDirectorySlaveObject_QueryDirectory_type_FileBothDirInformation;
431 captive_directory_slave_object->read_first=FALSE;
432 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
434 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
437 case CaptiveDirectorySlaveObject_QueryDirectory_type_FileBothDirInformation:
438 FileBothDirInformation=(void *)captive_directory_slave_object->QueryDirectory_buf.FileBothDirInformation;
439 /* SL_INDEX_SPECIFIED is forbidden for ext2fsd.sys-V0.10A although
440 * IIRC it was required for the native W32 filesystems.
441 * Fortunately 'FileBothDirInformation' is just a workaround for ext2fsd.sys-V0.10A
442 * which is not used for the native W32 filesystems and therefore it should be safe.
443 * WARNING: Hack with 'FileIndex==0' to prevent SL_INDEX_SPECIFIED is just libcaptive
444 * specific hack of reactos! See also NtQueryDirectoryFile().
446 FileBothDirInformation->FileIndex=0;
447 err=NtQueryDirectoryFile(
448 captive_directory_slave_object->dir_Handle, /* FileHandle */
449 NULL, /* PEvent; completion signalling; optional */
450 NULL, /* ApcRoutine; optional */
451 NULL, /* ApcContext; optional */
452 &dir_IoStatusBlock, /* IoStatusBlock */
453 (gpointer)captive_directory_slave_object->QueryDirectory_buf.FileBothDirInformation, /* FileInformation */
454 sizeof(captive_directory_slave_object->QueryDirectory_buf.FileBothDirInformation) /* Length */
455 -sizeof(*FileBothDirInformation->FileName), /* reserve space for 0-terminator */
456 FileBothDirectoryInformation, /* FileInformationClass; =>FILE_BOTH_DIR_INFORMATION */
457 TRUE, /* ReturnSingleEntry */
458 NULL, /* FileName; wildcards possible; optional */
459 captive_directory_slave_object->read_first); /* RestartScan */
461 captive_directory_slave_object->read_first=FALSE;
462 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err))) {
463 /* Do not reset 'read_first' on 'STATUS_NO_SUCH_FILE' to leave us stuck at EOF - GnomeVFS behaves that way. */
466 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
468 errvfsresult=FileBothDirInformation_to_FileIdBothDirInformation(FileIdBothDirInformation,FileBothDirInformation,
470 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
473 default: g_assert_not_reached();
476 errvfsresult=FileIdBothDirInformation_to_GnomeVFSFileInfo(file_info,FileIdBothDirInformation,
478 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
485 static GnomeVFSResult captive_directory_slave_remove(CaptiveDirectoryObject *captive_directory_object)
487 CaptiveDirectorySlaveObject *captive_directory_slave_object;
489 FILE_DISPOSITION_INFORMATION FileDispositionInformation_struct;
490 IO_STATUS_BLOCK dir_IoStatusBlock;
491 GnomeVFSResult errvfsresult;
493 g_return_val_if_fail(CAPTIVE_DIRECTORY_SLAVE_IS_OBJECT(captive_directory_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
495 captive_directory_slave_object=CAPTIVE_DIRECTORY_SLAVE_OBJECT(captive_directory_object);
497 g_return_val_if_fail(captive_directory_slave_object->dir_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
499 FileDispositionInformation_struct.DoDeleteFile=TRUE;
501 err=NtSetInformationFile(
502 captive_directory_slave_object->dir_Handle, /* FileHandle */
503 &dir_IoStatusBlock, /* IoStatusBlock */
504 &FileDispositionInformation_struct, /* FileInformation */
505 sizeof(FileDispositionInformation_struct), /* Length */
506 FileDispositionInformation); /* FileInformationClass */
507 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
509 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);