2 * captive vfs 'file' interface to reactos
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 "file-slave.h" /* self */
23 #include "captive/client-file.h" /* for CaptiveFileObject */
24 #include "file.h" /* for CaptiveFileObject priv */
25 #include "directory.h"
27 #include <glib/gmessages.h>
28 #include "captive/unicode.h"
29 #include "reactos/ntos/types.h" /* for HANDLE */
30 #include "reactos/ddk/iotypes.h" /* for IO_STATUS_BLOCK */
31 #include "reactos/ddk/iofuncs.h" /* for IoCreateFile() */
33 #include "captive/client-directory.h"
34 #include "reactos/ddk/obfuncs.h" /* for ObReferenceObjectByHandle() */
35 #include "captive/macros.h"
36 #include "captive/leave.h"
37 #include "captive/usecount.h"
39 #include "vfs-slave.h"
43 #define MAX_FILE_WRITTEN 0x100000 /* FIXME: Workaround memory consumption for non-journalled fastfat.sys */
46 struct _CaptiveFileSlaveObject {
47 CaptiveFileObject parent_instance;
51 GnomeVFSFileOffset offset;
53 struct _CaptiveFileSlaveObjectClass {
54 CaptiveFileObjectClass parent_class;
58 static gpointer captive_file_slave_object_parent_class=NULL;
61 static GnomeVFSResult captive_file_slave_close(CaptiveFileObject *captive_file_object);
62 static GnomeVFSResult captive_file_slave_read(CaptiveFileObject *captive_file_object,
63 gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return);
64 static GnomeVFSResult captive_file_slave_write(CaptiveFileObject *captive_file_object,
65 gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return);
66 static GnomeVFSResult captive_file_slave_seek
67 (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset);
68 static GnomeVFSResult captive_file_slave_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return);
69 static GnomeVFSResult captive_file_slave_remove(CaptiveFileObject *captive_file_object);
70 static GnomeVFSResult captive_file_slave_file_info_get
71 (CaptiveFileObject *captive_file_object,GnomeVFSFileInfo *file_info);
72 static GnomeVFSResult captive_file_slave_file_info_set
73 (CaptiveFileObject *captive_file_object,const GnomeVFSFileInfo *info,GnomeVFSSetFileInfoMask mask);
74 static GnomeVFSResult captive_file_slave_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size);
75 static GnomeVFSResult captive_file_slave_move
76 (CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace);
79 static void captive_file_slave_object_finalize(CaptiveFileSlaveObject *captive_file_slave_object)
81 g_return_if_fail(captive_file_slave_object!=NULL);
83 captive_file_slave_close(CAPTIVE_FILE_OBJECT(captive_file_slave_object)); /* errors ignored */
85 G_OBJECT_CLASS(captive_file_slave_object_parent_class)->finalize((GObject *)captive_file_slave_object);
89 static void captive_file_slave_object_class_init(CaptiveFileSlaveObjectClass *class)
91 GObjectClass *gobject_class=G_OBJECT_CLASS(class);
92 CaptiveFileObjectClass *captive_file_object_class=CAPTIVE_FILE_OBJECT_CLASS(class);
94 captive_file_slave_object_parent_class=g_type_class_ref(g_type_parent(G_TYPE_FROM_CLASS(class)));
95 gobject_class->finalize=(void (*)(GObject *object))captive_file_slave_object_finalize;
97 captive_file_object_class->read=captive_file_slave_read;
98 captive_file_object_class->write=captive_file_slave_write;
99 captive_file_object_class->seek=captive_file_slave_seek;
100 captive_file_object_class->tell=captive_file_slave_tell;
101 captive_file_object_class->remove=captive_file_slave_remove;
102 captive_file_object_class->file_info_get=captive_file_slave_file_info_get;
103 captive_file_object_class->file_info_set=captive_file_slave_file_info_set;
104 captive_file_object_class->truncate=captive_file_slave_truncate;
105 captive_file_object_class->move=captive_file_slave_move;
109 static void captive_file_slave_object_init(CaptiveFileSlaveObject *captive_file_slave_object)
111 captive_file_slave_object->file_Handle=NULL;
115 GType captive_file_slave_object_get_type(void)
117 static GType captive_file_slave_object_type=0;
119 if (!captive_file_slave_object_type) {
120 static const GTypeInfo captive_file_slave_object_info={
121 sizeof(CaptiveFileSlaveObjectClass),
122 NULL, /* base_init */
123 NULL, /* base_finalize */
124 (GClassInitFunc)captive_file_slave_object_class_init,
125 NULL, /* class_finalize */
126 NULL, /* class_data */
127 sizeof(CaptiveFileSlaveObject),
129 (GInstanceInitFunc)captive_file_slave_object_init,
132 captive_file_slave_object_type=g_type_register_static(CAPTIVE_FILE_TYPE_OBJECT,
133 "CaptiveFileSlaveObject",&captive_file_slave_object_info,0);
136 return captive_file_slave_object_type;
140 static GnomeVFSResult captive_file_slave_new_internal(CaptiveFileSlaveObject *captive_file_slave_object,
141 const gchar *pathname,GnomeVFSOpenMode mode,gboolean create,gboolean create_exclusive,guint create_perm)
143 IO_STATUS_BLOCK file_IoStatusBlock;
144 GnomeVFSResult errvfsresult;
145 OBJECT_ATTRIBUTES file_ObjectAttributes;
149 g_return_val_if_fail(captive_file_slave_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
150 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
152 errvfsresult=captive_ObjectAttributes_init(pathname,&file_ObjectAttributes);
153 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
157 &file_Handle, /* FileHandle */
159 /* sniffed: | SYNCHRONIZE */
160 |(!(mode&GNOME_VFS_OPEN_READ ) ? 0 : FILE_READ_DATA)
161 |(!(mode&GNOME_VFS_OPEN_WRITE) ? 0 : FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES)
162 |( mode!=0 ? 0 : FILE_READ_ATTRIBUTES)
163 , /* DesiredAccess */
164 &file_ObjectAttributes, /* ObjectAttributes */
165 &file_IoStatusBlock, /* IoStatusBlock */
166 NULL, /* AllocationSize; ignored for open */
167 (!create || create_perm&0200 ? FILE_ATTRIBUTE_NORMAL: FILE_ATTRIBUTE_READONLY), /* FileAttributes; ignored for open */
168 (!create || !create_exclusive /* ShareAccess; 0 means exclusive */
169 ? (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE)
171 (!create ? FILE_OPEN : FILE_CREATE), /* CreateDisposition */
172 /* FILE_SYNCHRONOUS_IO_{,NON}ALERT: We need to allow W32 filesystem
173 * any waits to not to let it return STATUS_CANT_WAIT us.
174 * Alertability should have only effect on asynchronous events
175 * from KeWaitForSingleObject() by setting/clearing its parameter 'Alertable'.
177 FILE_SYNCHRONOUS_IO_ALERT /* CreateOptions */
178 /* sniffed: | FILE_DIRECTORY_FILE */
179 /* sniffed: | FILE_OPEN_FOR_BACKUP_INTENT */
183 CreateFileTypeNone, /* CreateFileType */
184 NULL, /* ExtraCreateParameters */
186 g_free(file_ObjectAttributes.ObjectName); /* left from captive_file_slave_uri_parent_init() */
187 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
188 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
190 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
191 g_return_val_if_fail(file_IoStatusBlock.Information
192 ==(!create ? FILE_OPENED : FILE_CREATED),
193 GNOME_VFS_ERROR_GENERIC);
195 captive_file_slave_object->file_Handle=file_Handle;
201 GnomeVFSResult captive_file_slave_new_open(CaptiveFileObject **captive_file_object_return,
202 CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode)
205 CaptiveFileSlaveObject *captive_file_slave_object;
207 g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
208 g_return_val_if_fail(CAPTIVE_VFS_SLAVE_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
209 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
211 captive_file_slave_object=g_object_new(
212 CAPTIVE_FILE_SLAVE_TYPE_OBJECT, /* object_type */
213 NULL); /* first_property_name; FIXME: support properties */
215 captive_file_init(CAPTIVE_FILE_OBJECT(captive_file_slave_object),captive_vfs_object);
217 *captive_file_object_return=CAPTIVE_FILE_OBJECT(captive_file_slave_object);
219 r=captive_file_slave_new_internal(captive_file_slave_object,pathname,mode,
221 FALSE, /* create_exclusive; ignored */
222 0); /* create_perm; ignored */
226 captive_usecount(+1);
228 g_object_unref(captive_file_slave_object);
229 *captive_file_object_return=NULL;
235 GnomeVFSResult captive_file_slave_new_create(CaptiveFileObject **captive_file_object_return,
236 CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode,gboolean exclusive,guint perm)
239 CaptiveFileSlaveObject *captive_file_slave_object;
241 g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
242 g_return_val_if_fail(CAPTIVE_VFS_SLAVE_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
243 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
245 captive_file_slave_object=g_object_new(
246 CAPTIVE_FILE_SLAVE_TYPE_OBJECT, /* object_type */
247 NULL); /* first_property_name; FIXME: support properties */
249 captive_file_init(CAPTIVE_FILE_OBJECT(captive_file_slave_object),captive_vfs_object);
251 *captive_file_object_return=CAPTIVE_FILE_OBJECT(captive_file_slave_object);
253 r=captive_file_slave_new_internal(captive_file_slave_object,pathname,mode,
255 exclusive, /* create_exclusive */
256 perm); /* create_perm */
260 captive_usecount(+1);
262 g_object_unref(captive_file_slave_object);
263 *captive_file_object_return=NULL;
269 static GnomeVFSResult captive_file_slave_close(CaptiveFileObject *captive_file_object)
271 CaptiveFileSlaveObject *captive_file_slave_object;
275 g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
277 captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
279 if (captive_file_slave_object->file_Handle!=NULL) { /* not yet already closed */
280 captive_usecount(-1); /* close() errors notwithstanding */
282 file_Handle=captive_file_slave_object->file_Handle;
283 captive_file_slave_object->file_Handle=NULL;
284 err=NtClose(file_Handle);
285 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
293 GnomeVFSResult captive_file_slave_read(CaptiveFileObject *captive_file_object,
294 gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return)
296 CaptiveFileSlaveObject *captive_file_slave_object;
298 IO_STATUS_BLOCK file_IoStatusBlock;
299 LARGE_INTEGER file_offset;
300 GnomeVFSResult errvfsresult;
302 g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
303 g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
304 g_return_val_if_fail(bytes_read_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
305 g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
307 captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
309 g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
311 file_offset.QuadPart=captive_file_slave_object->offset;
313 captive_file_slave_object->file_Handle, /* FileHandle */
314 NULL, /* EventHandle; completion signalling; optional */
315 NULL, /* ApcRoutine; optional */
316 NULL, /* ApcContext; optional */
317 &file_IoStatusBlock, /* IoStatusBlock */
319 num_bytes, /* Length */
320 &file_offset, /* ByteOffset */
321 NULL); /* Key; NULL means no file locking key */
322 if (err==STATUS_END_OF_FILE) {
323 g_return_val_if_fail(file_IoStatusBlock.Status==STATUS_END_OF_FILE,GNOME_VFS_ERROR_GENERIC);
324 g_return_val_if_fail(file_IoStatusBlock.Information==0,GNOME_VFS_ERROR_GENERIC);
325 *bytes_read_return=0;
326 return GNOME_VFS_ERROR_EOF;
328 g_return_val_if_fail(file_IoStatusBlock.Information>0,GNOME_VFS_ERROR_GENERIC); /* if not STATUS_END_OF_FILE... */
329 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
331 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
332 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
333 g_return_val_if_fail(file_IoStatusBlock.Information<=num_bytes,GNOME_VFS_ERROR_GENERIC);
335 captive_file_slave_object->offset+=file_IoStatusBlock.Information;
336 *bytes_read_return=file_IoStatusBlock.Information;
342 GnomeVFSResult captive_file_slave_write(CaptiveFileObject *captive_file_object,
343 gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return)
345 CaptiveFileSlaveObject *captive_file_slave_object;
347 IO_STATUS_BLOCK file_IoStatusBlock;
348 LARGE_INTEGER file_offset;
349 GnomeVFSFileInfo file_info;
350 GnomeVFSFileSize endoffile_wanted;
351 GnomeVFSResult errvfsresult;
352 static GnomeVFSFileSize total_written=0;
354 g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
355 g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
356 g_return_val_if_fail(bytes_written_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
357 g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
359 captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
361 g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
363 /* FIXME: Workaround memory consumption for non-journalled fastfat.sys */
364 if (total_written>=MAX_FILE_WRITTEN && captive_options->sandbox)
365 return GNOME_VFS_ERROR_SERVICE_OBSOLETE;
366 total_written+=num_bytes;
368 if ((GnomeVFSFileOffset)(captive_file_slave_object->offset+num_bytes) < captive_file_slave_object->offset)
369 return GNOME_VFS_ERROR_TOO_BIG;
370 endoffile_wanted=captive_file_slave_object->offset+num_bytes;
371 if (GNOME_VFS_OK!=(errvfsresult=captive_file_slave_file_info_get(
372 CAPTIVE_FILE_OBJECT(captive_file_slave_object),&file_info)))
374 if (file_info.size<endoffile_wanted) {
375 if (GNOME_VFS_OK!=(errvfsresult=captive_file_slave_truncate(
376 CAPTIVE_FILE_OBJECT(captive_file_slave_object),endoffile_wanted)))
380 file_offset.QuadPart=captive_file_slave_object->offset;
382 captive_file_slave_object->file_Handle, /* FileHandle */
383 NULL, /* Event; completion signalling; optional */
384 NULL, /* ApcRoutine; optional */
385 NULL, /* ApcContext; optional */
386 &file_IoStatusBlock, /* IoStatusBlock */
387 (gpointer /* de-const */ )buffer, /* Buffer */
388 num_bytes, /* Length */
389 &file_offset, /* ByteOffset */
390 NULL); /* Key; NULL means no file locking key */
391 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
392 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
393 if (!file_IoStatusBlock.Information) {
394 /* FIXME: Check ExRaiseStatus(STATUS_LOG_FILE_FULL);
395 * really occured. We expect so and we will remount the volume.
397 *bytes_written_return=0;
398 return GNOME_VFS_ERROR_SERVICE_OBSOLETE;
400 g_return_val_if_fail(file_IoStatusBlock.Information==num_bytes,GNOME_VFS_ERROR_GENERIC);
402 captive_file_slave_object->offset+=file_IoStatusBlock.Information;
403 *bytes_written_return=file_IoStatusBlock.Information;
409 GnomeVFSResult captive_file_slave_seek
410 (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset)
412 CaptiveFileSlaveObject *captive_file_slave_object;
414 g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
416 captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
418 g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
421 case GNOME_VFS_SEEK_START:
422 captive_file_slave_object->offset=offset;
424 case GNOME_VFS_SEEK_CURRENT:
426 || (offset>0 && (captive_file_slave_object->offset+offset)<captive_file_slave_object->offset)
427 || (offset<0 && (captive_file_slave_object->offset+offset)>captive_file_slave_object->offset))
428 return GNOME_VFS_ERROR_BAD_PARAMETERS;
429 captive_file_slave_object->offset+=offset;
431 case GNOME_VFS_SEEK_END:
432 g_assert_not_reached(); /* NOT IMPLEMENTED YET */
435 g_return_val_if_reached(GNOME_VFS_ERROR_BAD_PARAMETERS);
443 GnomeVFSResult captive_file_slave_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return)
445 CaptiveFileSlaveObject *captive_file_slave_object;
447 g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
448 g_return_val_if_fail(offset_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
450 captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
452 g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
454 *offset_return=captive_file_slave_object->offset;
460 GnomeVFSResult captive_file_slave_remove(CaptiveFileObject *captive_file_object)
462 CaptiveFileSlaveObject *captive_file_slave_object;
464 FILE_DISPOSITION_INFORMATION FileDispositionInformation_struct;
465 IO_STATUS_BLOCK file_IoStatusBlock;
466 GnomeVFSResult errvfsresult;
468 g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
470 captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
472 g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
474 FileDispositionInformation_struct.DoDeleteFile=TRUE;
476 err=NtSetInformationFile(
477 captive_file_slave_object->file_Handle, /* FileHandle */
478 &file_IoStatusBlock, /* IoStatusBlock */
479 &FileDispositionInformation_struct, /* FileInformation */
480 sizeof(FileDispositionInformation_struct), /* Length */
481 FileDispositionInformation); /* FileInformationClass */
482 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
484 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
491 /* Use 'FileNameInformationStruct' identifier instead of the logical 'FileNameInformation'
492 * to prevent override of enum member 'FileNameInformation'
494 static GnomeVFSResult FileNameInformationStruct_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
495 FILE_NAME_INFORMATION *FileNameInformationStruct)
497 UNICODE_STRING FileName_UnicodeString;
499 g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_GENERIC);
500 g_return_val_if_fail(FileNameInformationStruct!=NULL,GNOME_VFS_ERROR_GENERIC);
502 FileName_UnicodeString.Length=FileNameInformationStruct->FileNameLength;
503 FileName_UnicodeString.MaximumLength=FileNameInformationStruct->FileNameLength
504 +sizeof(*FileNameInformationStruct->FileName); /* 0-terminator */
506 #if 0 /* 'IoStatusBlock->Information' is sometimes weird, do not check it */
507 g_assert((gpointer)(((char *)FileNameInformationStruct->FileName)+FileName_UnicodeString.Length)
508 <=(gpointer)(((char *)FileAllInformationStruct)+IoStatusBlock->Information));
509 /* ensure we fit below '->IoStatusBlock->Information' at least without the 0-terminator */
512 FileNameInformationStruct->FileName[FileNameInformationStruct->FileNameLength
513 /sizeof(*FileNameInformationStruct->FileName)]=0; /* 0-terminate it */
514 FileName_UnicodeString.Buffer=FileNameInformationStruct->FileName;
515 file_info->name=captive_UnicodeString_to_utf8_malloc(&FileName_UnicodeString);
516 /* '->name' assumed for 'file_info->valid_fields' */
522 /* Use 'FileBasicInformationStruct' identifier instead of the logical 'FileBasicInformation'
523 * to prevent override of enum member 'FileBasicInformation'
525 static GnomeVFSResult FileBasicInformationStruct_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
526 FILE_BASIC_INFORMATION *FileBasicInformationStruct)
531 /* FIXME: What is 'FILE_ATTRIBUTE_NORMAL'? */
532 switch (FileBasicInformationStruct->FileAttributes & (0
533 | FILE_ATTRIBUTE_DIRECTORY
534 | FILE_ATTRIBUTE_DEVICE)) {
535 case 0: file_info->type=GNOME_VFS_FILE_TYPE_REGULAR; break;
536 case FILE_ATTRIBUTE_DIRECTORY: file_info->type=GNOME_VFS_FILE_TYPE_DIRECTORY; break;
537 case FILE_ATTRIBUTE_DEVICE: file_info->type=GNOME_VFS_FILE_TYPE_SOCKET;
538 /* or GNOME_VFS_FILE_TYPE_CHARACTER_DEVICE or GNOME_VFS_FILE_TYPE_BLOCK_DEVICE ? */
540 default: file_info->type=GNOME_VFS_FILE_TYPE_UNKNOWN; break;
542 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_TYPE;
544 /* we use 0600 for r/w files, 0400 for FILE_ATTRIBUTE_READONLY */
545 file_info->permissions=GNOME_VFS_PERM_USER_READ;
546 if (file_info->type==GNOME_VFS_FILE_TYPE_DIRECTORY)
547 file_info->permissions|=GNOME_VFS_PERM_USER_EXEC;
548 if (!(FileBasicInformationStruct->FileAttributes & FILE_ATTRIBUTE_READONLY))
549 file_info->permissions|=GNOME_VFS_PERM_USER_WRITE;
550 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS;
552 if (FileBasicInformationStruct->LastAccessTime.QuadPart) { /* it may be 0 if not set */
553 errBOOLEAN=RtlTimeToSecondsSince1970(&FileBasicInformationStruct->LastAccessTime,&tmp_ULONG);
554 g_assert(errBOOLEAN==TRUE);
555 file_info->atime=tmp_ULONG;
556 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_ATIME;
559 /* it may be 0 if not set */
560 if (FileBasicInformationStruct->LastWriteTime.QuadPart || FileBasicInformationStruct->ChangeTime.QuadPart) {
561 errBOOLEAN=RtlTimeToSecondsSince1970(
562 /* take the more recent (==bigger) time: */
563 (FileBasicInformationStruct->LastWriteTime.QuadPart > FileBasicInformationStruct->ChangeTime.QuadPart
564 ? &FileBasicInformationStruct->LastWriteTime : &FileBasicInformationStruct->ChangeTime),
566 g_assert(errBOOLEAN==TRUE);
567 file_info->mtime=tmp_ULONG;
568 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_MTIME;
571 if (FileBasicInformationStruct->CreationTime.QuadPart) { /* it may be 0 if not set */
572 errBOOLEAN=RtlTimeToSecondsSince1970(&FileBasicInformationStruct->CreationTime,&tmp_ULONG);
573 g_assert(errBOOLEAN==TRUE);
574 file_info->ctime=tmp_ULONG;
575 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_CTIME;
582 /* Use 'FileStandardInformationStruct' identifier instead of the logical 'FileStandardInformation'
583 * to prevent override of enum member 'FileStandardInformation'
585 static GnomeVFSResult FileStandardInformationStruct_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
586 FILE_STANDARD_INFORMATION *FileStandardInformationStruct)
588 file_info->size=FileStandardInformationStruct->EndOfFile.QuadPart;
589 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_SIZE;
591 file_info->block_count=FileStandardInformationStruct->AllocationSize.QuadPart/512;
592 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_BLOCK_COUNT;
598 GnomeVFSResult captive_file_slave_file_info_get(CaptiveFileObject *captive_file_object,
599 GnomeVFSFileInfo *file_info)
601 CaptiveFileSlaveObject *captive_file_slave_object;
603 IO_STATUS_BLOCK file_IoStatusBlock;
604 FILE_NAME_INFORMATION *FileNameInformationStruct;
605 FILE_BASIC_INFORMATION *FileBasicInformationStruct;
606 FILE_STANDARD_INFORMATION *FileStandardInformationStruct;
607 GnomeVFSResult errvfsresult;
608 char QueryFile_buf[sizeof(FILE_NAME_INFORMATION)
609 +0x1000 /* max 'FileName' length, 255 should be enough */ * sizeof(WCHAR /* *FILE_ALL_INFORMATION.NameInformation.FileName */ )];
611 g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
612 g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
614 captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
616 g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
618 /* ntfs.sys of NT-5.1sp1 has *(FILE_BASIC_INFORMATION *)FILE_ALL_INFORMATION.BasicInformation
619 * size 0x28 although reactos includes and all the information says 0x24.
620 * fastfat.sys of NT-5.1sp1 also has the 'official' sizeof 0x24.
621 * It would be a bit of heuristic to correctly detect its expected sizeof.
624 file_info->valid_fields=0;
626 file_info->flags=GNOME_VFS_FILE_FLAGS_LOCAL;
627 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_FLAGS;
629 /* query NameInformation */
630 FileNameInformationStruct=(void *)QueryFile_buf;
631 err=NtQueryInformationFile(
632 captive_file_slave_object->file_Handle, /* FileHandle */
633 &file_IoStatusBlock, /* IoStatusBlock */
634 (gpointer)QueryFile_buf, /* FileInformation */
635 sizeof(QueryFile_buf) /* Length */
636 -sizeof(*FileNameInformationStruct->FileName), /* reserve space for a possible 0-terminator */
637 FileNameInformation); /* FileInformationClass; =>FILE_NAME_INFORMATION */
638 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
640 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
641 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
642 errvfsresult=FileNameInformationStruct_to_GnomeVFSFileInfo(file_info,FileNameInformationStruct);
643 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
645 /* query BasicInformation */
646 FileBasicInformationStruct=(void *)QueryFile_buf;
647 err=NtQueryInformationFile(
648 captive_file_slave_object->file_Handle, /* FileHandle */
649 &file_IoStatusBlock, /* IoStatusBlock */
650 (gpointer)QueryFile_buf, /* FileInformation */
651 sizeof(QueryFile_buf), /* Length */
652 FileBasicInformation); /* FileInformationClass; =>FILE_BASIC_INFORMATION */
653 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
655 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
656 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
657 errvfsresult=FileBasicInformationStruct_to_GnomeVFSFileInfo(file_info,FileBasicInformationStruct);
658 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
660 /* query StandardInformation */
661 FileStandardInformationStruct=(void *)QueryFile_buf;
662 err=NtQueryInformationFile(
663 captive_file_slave_object->file_Handle, /* FileHandle */
664 &file_IoStatusBlock, /* IoStatusBlock */
665 (gpointer)QueryFile_buf, /* FileInformation */
666 sizeof(QueryFile_buf), /* Length */
667 FileStandardInformation); /* FileInformationClass; =>FILE_STANDARD_INFORMATION */
668 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
670 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
671 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
672 errvfsresult=FileStandardInformationStruct_to_GnomeVFSFileInfo(file_info,FileStandardInformationStruct);
673 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
680 GnomeVFSResult captive_file_slave_file_info_set(CaptiveFileObject *captive_file_object,
681 const GnomeVFSFileInfo *info,GnomeVFSSetFileInfoMask mask)
683 CaptiveFileSlaveObject *captive_file_slave_object;
685 g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
686 g_return_val_if_fail(info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
688 captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
690 g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
692 if (mask & GNOME_VFS_SET_FILE_INFO_NAME) {
693 gchar *name_dirname,*name_basename;
694 UNICODE_STRING *name_UnicodeString;
695 FILE_RENAME_INFORMATION *FileRenameInformation_structp;
696 gsize FileRenameInformation_struct_len;
697 IO_STATUS_BLOCK file_IoStatusBlock;
698 NTSTATUS err=STATUS_SUCCESS; /* Prevent: ... might be used uninitialized in this function */
699 GnomeVFSResult errvfsresult;
701 /* non-existing dirname assertion */
702 name_dirname=g_path_get_dirname(info->name);
704 g_assert_not_reached();
705 errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
709 /* fully-matching basename assertion */
710 name_basename=g_path_get_basename(info->name);
711 if (strcmp(name_basename,info->name)) {
712 g_assert_not_reached();
713 errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
714 goto err_free_name_dirname;
717 name_UnicodeString=captive_utf8_to_UnicodeString_alloca(info->name);
718 FileRenameInformation_struct_len=sizeof(*FileRenameInformation_structp)
719 +name_UnicodeString->MaximumLength; /* ==Length+(0-terminator); is the terminator needed? */
721 FileRenameInformation_structp=g_alloca(FileRenameInformation_struct_len);
722 FileRenameInformation_structp->Replace=FALSE;
723 FileRenameInformation_structp->RootDir=NULL; /* we do 'simple rename' here */
724 FileRenameInformation_structp->FileNameLength=name_UnicodeString->Length;
725 memcpy(FileRenameInformation_structp->FileName,name_UnicodeString->Buffer,
726 name_UnicodeString->MaximumLength); /* ==Length+(0-terminator); is the terminator needed? */
728 err=NtSetInformationFile(
729 captive_file_slave_object->file_Handle, /* FileHandle */
730 &file_IoStatusBlock, /* IoStatusBlock */
731 FileRenameInformation_structp, /* FileInformation */
732 FileRenameInformation_struct_len, /* Length */
733 FileRenameInformation); /* FileInformationClass */
734 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
735 goto err_free_name_basename;
737 err_free_name_basename:
738 g_free(name_basename);
739 err_free_name_dirname:
740 g_free(name_dirname);
743 if (errvfsresult!=GNOME_VFS_OK)
745 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
748 if (mask & (GNOME_VFS_SET_FILE_INFO_PERMISSIONS | GNOME_VFS_SET_FILE_INFO_TIME)) {
749 char FileBasicInformation_buf[sizeof(FILE_BASIC_INFORMATION)+4];
750 FILE_BASIC_INFORMATION *FileBasicInformationp=(FILE_BASIC_INFORMATION *)FileBasicInformation_buf;
751 IO_STATUS_BLOCK file_IoStatusBlock;
754 /* FIXME: Everywhere is is the declaration with 4xLARGE_INTEGER+1xULONG==36 bytes
755 * but the precompiled ext2fsd.sys wants 40 bytes - why?
756 * The same case applies to ntfs.sys of NT-5.1sp1.
758 g_assert(sizeof(FILE_BASIC_INFORMATION)==36);
759 g_assert(sizeof(FileBasicInformation_buf)==40);
760 err=NtQueryInformationFile(
761 captive_file_slave_object->file_Handle, /* FileHandle */
762 &file_IoStatusBlock, /* IoStatusBlock */
763 FileBasicInformation_buf, /* FileInformation */
764 sizeof(FileBasicInformation_buf), /* Length */
765 FileBasicInformation); /* FileInformationClass */
766 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
768 if (mask & GNOME_VFS_SET_FILE_INFO_PERMISSIONS) {
769 FileBasicInformationp->FileAttributes&=~FILE_ATTRIBUTE_READONLY;
770 g_assert(info->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS);
771 if (!(info->permissions&0200))
772 FileBasicInformationp->FileAttributes|=FILE_ATTRIBUTE_READONLY;
775 if (mask & GNOME_VFS_SET_FILE_INFO_TIME) {
776 g_assert(info->valid_fields & (0
777 | GNOME_VFS_FILE_INFO_FIELDS_ATIME
778 | GNOME_VFS_FILE_INFO_FIELDS_MTIME));
779 /* !GNOME_VFS_FILE_INFO_FIELDS_CTIME is used by FUSE op_utime(). */
780 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_ATIME) {
781 RtlSecondsSince1970ToTime(
782 info->atime, /* SecondsSince1970 */
783 &FileBasicInformationp->LastAccessTime); /* Time */
785 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_MTIME) {
786 RtlSecondsSince1970ToTime(
787 info->mtime, /* SecondsSince1970 */
788 &FileBasicInformationp->LastWriteTime); /* Time */
789 FileBasicInformationp->ChangeTime=FileBasicInformationp->LastWriteTime;
791 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_CTIME) {
792 RtlSecondsSince1970ToTime(
793 info->ctime, /* SecondsSince1970 */
794 &FileBasicInformationp->CreationTime); /* Time */
798 err=NtSetInformationFile(
799 captive_file_slave_object->file_Handle, /* FileHandle */
800 &file_IoStatusBlock, /* IoStatusBlock */
801 FileBasicInformation_buf, /* FileInformation */
802 sizeof(FileBasicInformation_buf), /* Length */
803 FileBasicInformation); /* FileInformationClass */
804 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
807 if (mask & GNOME_VFS_SET_FILE_INFO_OWNER) {
808 /* FIXME: g_assert(info->valid_fields & ???); */
809 /* owner ignored for W32 */
817 GnomeVFSResult captive_file_slave_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size)
819 CaptiveFileSlaveObject *captive_file_slave_object;
821 FILE_END_OF_FILE_INFORMATION FileEndOfFileInformation_struct;
822 IO_STATUS_BLOCK file_IoStatusBlock;
823 GnomeVFSResult errvfsresult;
825 g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
827 captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
829 g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
831 FileEndOfFileInformation_struct.EndOfFile.QuadPart=file_size;
833 err=NtSetInformationFile(
834 captive_file_slave_object->file_Handle, /* FileHandle */
835 &file_IoStatusBlock, /* IoStatusBlock */
836 &FileEndOfFileInformation_struct, /* FileInformation */
837 sizeof(FileEndOfFileInformation_struct), /* Length */
838 FileEndOfFileInformation); /* FileInformationClass */
839 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
841 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
848 GnomeVFSResult captive_file_slave_move
849 (CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace)
851 CaptiveFileSlaveObject *captive_file_slave_object_old;
853 FILE_RENAME_INFORMATION *FileRenameInformation_structp;
854 IO_STATUS_BLOCK file_IoStatusBlock;
855 GnomeVFSResult errvfsresult;
856 OBJECT_ATTRIBUTES pathname_new_ObjectAttributes;
858 g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object_old),GNOME_VFS_ERROR_BAD_PARAMETERS);
859 g_return_val_if_fail(pathname_new!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
861 captive_file_slave_object_old=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object_old);
863 g_return_val_if_fail(captive_file_slave_object_old->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
865 errvfsresult=captive_ObjectAttributes_init(pathname_new,&pathname_new_ObjectAttributes);
866 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
868 FileRenameInformation_structp=
869 g_alloca(sizeof(*FileRenameInformation_structp)+pathname_new_ObjectAttributes.ObjectName->MaximumLength);
870 FileRenameInformation_structp->Replace=force_replace;
871 FileRenameInformation_structp->RootDir=0; /* AFAIK never set by orig W32 */
872 FileRenameInformation_structp->FileNameLength=pathname_new_ObjectAttributes.ObjectName->Length;
873 memcpy(FileRenameInformation_structp->FileName,pathname_new_ObjectAttributes.ObjectName->Buffer,
874 pathname_new_ObjectAttributes.ObjectName->MaximumLength);
876 err=NtSetInformationFile(
877 captive_file_slave_object_old->file_Handle, /* FileHandle */
878 &file_IoStatusBlock, /* IoStatusBlock */
879 FileRenameInformation_structp, /* FileInformation */
880 sizeof(*FileRenameInformation_structp)+pathname_new_ObjectAttributes.ObjectName->MaximumLength, /* Length */
881 FileRenameInformation); /* FileInformationClass */
882 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
883 goto err_free_ObjectAttributes;
884 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
886 errvfsresult=GNOME_VFS_OK;
888 err_free_ObjectAttributes:
889 g_free(pathname_new_ObjectAttributes.ObjectName); /* left from captive_file_slave_uri_parent_init() */