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 "captive/client-file.h" /* self */
23 #include "file.h" /* self-priv */
24 #include "directory.h"
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/client-directory.h"
33 #include "reactos/ddk/obfuncs.h" /* for ObReferenceObjectByHandle() */
34 #include "captive/macros.h"
35 #include "captive/leave.h"
36 #include "captive/usecount.h"
38 #include "captive/parent-File.h"
41 static gpointer captive_file_object_parent_class=NULL;
44 static GnomeVFSResult captive_file_close(CaptiveFileObject *captive_file_object);
46 static void captive_file_object_finalize(CaptiveFileObject *captive_file_object)
48 g_return_if_fail(captive_file_object!=NULL);
50 captive_file_close(captive_file_object); /* errors ignored */
52 G_OBJECT_CLASS(captive_file_object_parent_class)->finalize((GObject *)captive_file_object);
56 static void captive_file_object_class_init(CaptiveFileObjectClass *class)
58 GObjectClass *gobject_class=G_OBJECT_CLASS(class);
60 captive_file_object_parent_class=g_type_class_ref(G_TYPE_OBJECT);
61 gobject_class->finalize=(void (*)(GObject *object))captive_file_object_finalize;
65 static void captive_file_object_init(CaptiveFileObject *captive_file_object)
67 captive_file_object->file_Handle=NULL;
71 GType captive_file_object_get_type(void)
73 static GType captive_file_object_type=0;
75 if (!captive_file_object_type) {
76 static const GTypeInfo captive_file_object_info={
77 sizeof(CaptiveFileObjectClass),
79 NULL, /* base_finalize */
80 (GClassInitFunc)captive_file_object_class_init,
81 NULL, /* class_finalize */
82 NULL, /* class_data */
83 sizeof(CaptiveFileObject),
85 (GInstanceInitFunc)captive_file_object_init,
88 captive_file_object_type=g_type_register_static(G_TYPE_OBJECT,
89 "CaptiveFileObject",&captive_file_object_info,0);
92 return captive_file_object_type;
96 static GnomeVFSResult captive_file_new_internal(CaptiveFileObject *captive_file_object,
97 const gchar *pathname,GnomeVFSOpenMode mode,gboolean create,gboolean create_exclusive,guint create_perm)
99 IO_STATUS_BLOCK file_IoStatusBlock;
100 GnomeVFSResult errvfsresult;
101 OBJECT_ATTRIBUTES file_ObjectAttributes;
105 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
106 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
108 errvfsresult=captive_ObjectAttributes_init(pathname,&file_ObjectAttributes);
109 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
113 &file_Handle, /* FileHandle */
115 |(!(mode&GNOME_VFS_OPEN_READ ) ? 0 : FILE_READ_DATA)
116 |(!(mode&GNOME_VFS_OPEN_WRITE) ? 0 : FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES)
117 |( mode!=0 ? 0 : FILE_READ_ATTRIBUTES)
118 , /* DesiredAccess */
119 &file_ObjectAttributes, /* ObjectAttributes */
120 &file_IoStatusBlock, /* IoStatusBlock */
121 NULL, /* AllocationSize; ignored for open */
122 (!create || create_perm&0200 ? FILE_ATTRIBUTE_NORMAL: FILE_ATTRIBUTE_READONLY), /* FileAttributes; ignored for open */
123 (!create || !create_exclusive /* ShareAccess; 0 means exclusive */
124 ? (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE)
126 (!create ? FILE_OPEN : FILE_CREATE), /* CreateDisposition */
127 /* FILE_SYNCHRONOUS_IO_{,NON}ALERT: We need to allow W32 filesystem
128 * any waits to not to let it return STATUS_CANT_WAIT us.
129 * Alertability should have only effect on asynchronous events
130 * from KeWaitForSingleObject() by setting/clearing its parameter 'Alertable'.
132 FILE_SYNCHRONOUS_IO_ALERT, /* CreateOptions */
135 CreateFileTypeNone, /* CreateFileType */
136 NULL, /* ExtraCreateParameters */
138 g_free(file_ObjectAttributes.ObjectName); /* left from captive_file_uri_parent_init() */
139 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
140 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
142 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
143 g_return_val_if_fail(file_IoStatusBlock.Information
144 ==(!create ? FILE_OPENED : FILE_CREATED),
145 GNOME_VFS_ERROR_GENERIC);
147 captive_file_object->file_Handle=file_Handle;
153 GnomeVFSResult captive_file_new_open(CaptiveFileObject **captive_file_object_return,
154 CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode)
157 CaptiveFileObject *captive_file_object;
159 g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
160 g_return_val_if_fail(captive_vfs_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
161 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
163 captive_file_object=g_object_new(
164 CAPTIVE_FILE_TYPE_OBJECT, /* object_type */
165 NULL); /* first_property_name; FIXME: support properties */
166 captive_file_object->vfs=captive_vfs_object;
167 captive_file_object->file_Handle=NULL;
168 captive_file_object->offset=0;
169 *captive_file_object_return=captive_file_object;
171 if (captive_vfs_object->is_sandbox_parent)
172 return captive_sandbox_parent_file_new_open(captive_file_object,pathname,mode);
174 r=captive_file_new_internal(captive_file_object,pathname,mode,
176 FALSE, /* create_exclusive; ignored */
177 0); /* create_perm; ignored */
181 captive_usecount(+1);
183 g_object_unref(captive_file_object);
184 *captive_file_object_return=NULL;
190 GnomeVFSResult captive_file_new_create(CaptiveFileObject **captive_file_object_return,
191 CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode,gboolean exclusive,guint perm)
194 CaptiveFileObject *captive_file_object;
196 g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
197 g_return_val_if_fail(captive_vfs_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
198 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
200 captive_file_object=g_object_new(
201 CAPTIVE_FILE_TYPE_OBJECT, /* object_type */
202 NULL); /* first_property_name; FIXME: support properties */
203 captive_file_object->vfs=captive_vfs_object;
204 captive_file_object->file_Handle=NULL;
205 captive_file_object->offset=0;
206 *captive_file_object_return=captive_file_object;
208 if (captive_vfs_object->is_sandbox_parent)
209 return captive_sandbox_parent_file_new_create(captive_file_object,pathname,mode,exclusive,perm);
211 r=captive_file_new_internal(captive_file_object,pathname,mode,
213 exclusive, /* create_exclusive */
214 perm); /* create_perm */
218 captive_usecount(+1);
220 g_object_unref(captive_file_object);
221 *captive_file_object_return=NULL;
227 static GnomeVFSResult captive_file_close(CaptiveFileObject *captive_file_object)
232 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
234 if (captive_file_object->vfs->is_sandbox_parent)
235 return captive_sandbox_parent_file_close(captive_file_object);
237 if (captive_file_object->file_Handle!=NULL) { /* not yet already closed */
238 captive_usecount(-1); /* close() errors notwithstanding */
240 file_Handle=captive_file_object->file_Handle;
241 captive_file_object->file_Handle=NULL;
242 err=NtClose(file_Handle);
243 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
251 GnomeVFSResult captive_file_read(CaptiveFileObject *captive_file_object,
252 gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return)
255 IO_STATUS_BLOCK file_IoStatusBlock;
256 LARGE_INTEGER file_offset;
257 GnomeVFSResult errvfsresult;
259 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
260 g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
261 g_return_val_if_fail(bytes_read_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
262 g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
264 if (captive_file_object->vfs->is_sandbox_parent)
265 return captive_sandbox_parent_file_read(captive_file_object,buffer,num_bytes,bytes_read_return);
267 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
269 file_offset.QuadPart=captive_file_object->offset;
271 captive_file_object->file_Handle, /* FileHandle */
272 NULL, /* EventHandle; completion signalling; optional */
273 NULL, /* ApcRoutine; optional */
274 NULL, /* ApcContext; optional */
275 &file_IoStatusBlock, /* IoStatusBlock */
277 num_bytes, /* Length */
278 &file_offset, /* ByteOffset */
279 NULL); /* Key; NULL means no file locking key */
280 if (err==STATUS_END_OF_FILE) {
281 g_return_val_if_fail(file_IoStatusBlock.Status==STATUS_END_OF_FILE,GNOME_VFS_ERROR_GENERIC);
282 g_return_val_if_fail(file_IoStatusBlock.Information==0,GNOME_VFS_ERROR_GENERIC);
283 *bytes_read_return=0;
284 return GNOME_VFS_ERROR_EOF;
286 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
288 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
289 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
290 g_return_val_if_fail(file_IoStatusBlock.Information<=num_bytes,GNOME_VFS_ERROR_GENERIC);
292 captive_file_object->offset+=file_IoStatusBlock.Information;
293 *bytes_read_return=file_IoStatusBlock.Information;
299 GnomeVFSResult captive_file_write(CaptiveFileObject *captive_file_object,
300 gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return)
303 IO_STATUS_BLOCK file_IoStatusBlock;
304 LARGE_INTEGER file_offset;
305 GnomeVFSFileInfo file_info;
306 GnomeVFSFileSize endoffile_wanted;
307 GnomeVFSResult errvfsresult;
309 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
310 g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
311 g_return_val_if_fail(bytes_written_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
312 g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
314 if (captive_file_object->vfs->is_sandbox_parent)
315 return captive_sandbox_parent_file_write(captive_file_object,buffer,num_bytes,bytes_written_return);
317 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
319 if ((GnomeVFSFileOffset)(captive_file_object->offset+num_bytes) < captive_file_object->offset)
320 return GNOME_VFS_ERROR_TOO_BIG;
321 endoffile_wanted=captive_file_object->offset+num_bytes;
322 if (GNOME_VFS_OK!=(errvfsresult=captive_file_file_info_get(captive_file_object,&file_info)))
324 if (file_info.size<endoffile_wanted) {
325 if (GNOME_VFS_OK!=(errvfsresult=captive_file_truncate(captive_file_object,endoffile_wanted)))
329 file_offset.QuadPart=captive_file_object->offset;
331 captive_file_object->file_Handle, /* FileHandle */
332 NULL, /* Event; completion signalling; optional */
333 NULL, /* ApcRoutine; optional */
334 NULL, /* ApcContext; optional */
335 &file_IoStatusBlock, /* IoStatusBlock */
336 (gpointer /* de-const */ )buffer, /* Buffer */
337 num_bytes, /* Length */
338 &file_offset, /* ByteOffset */
339 NULL); /* Key; NULL means no file locking key */
340 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
341 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
342 g_return_val_if_fail(file_IoStatusBlock.Information==num_bytes,GNOME_VFS_ERROR_GENERIC);
344 captive_file_object->offset+=file_IoStatusBlock.Information;
345 *bytes_written_return=file_IoStatusBlock.Information;
351 GnomeVFSResult captive_file_seek
352 (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset)
354 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
356 if (captive_file_object->vfs->is_sandbox_parent)
357 return captive_sandbox_parent_file_seek(captive_file_object,whence,offset);
359 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
362 case GNOME_VFS_SEEK_START:
363 captive_file_object->offset=offset;
365 case GNOME_VFS_SEEK_CURRENT:
367 || (offset>0 && (captive_file_object->offset+offset)<captive_file_object->offset)
368 || (offset<0 && (captive_file_object->offset+offset)>captive_file_object->offset))
369 return GNOME_VFS_ERROR_BAD_PARAMETERS;
370 captive_file_object->offset+=offset;
372 case GNOME_VFS_SEEK_END:
373 g_assert_not_reached(); /* NOT IMPLEMENTED YET */
376 g_return_val_if_reached(GNOME_VFS_ERROR_BAD_PARAMETERS);
384 GnomeVFSResult captive_file_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return)
386 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
387 g_return_val_if_fail(offset_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
389 if (captive_file_object->vfs->is_sandbox_parent)
390 return captive_sandbox_parent_file_tell(captive_file_object,offset_return);
392 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
394 *offset_return=captive_file_object->offset;
400 GnomeVFSResult captive_file_remove(CaptiveFileObject *captive_file_object)
403 FILE_DISPOSITION_INFORMATION FileDispositionInformation_struct;
404 IO_STATUS_BLOCK file_IoStatusBlock;
405 GnomeVFSResult errvfsresult;
407 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
409 if (captive_file_object->vfs->is_sandbox_parent)
410 return captive_sandbox_parent_file_remove(captive_file_object);
412 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
414 FileDispositionInformation_struct.DoDeleteFile=TRUE;
416 err=NtSetInformationFile(
417 captive_file_object->file_Handle, /* FileHandle */
418 &file_IoStatusBlock, /* IoStatusBlock */
419 &FileDispositionInformation_struct, /* FileInformation */
420 sizeof(FileDispositionInformation_struct), /* Length */
421 FileDispositionInformation); /* FileInformationClass */
422 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
424 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
431 /* Use 'FileNameInformationStruct' identifier instead of the logical 'FileNameInformation'
432 * to prevent override of enum member 'FileNameInformation'
434 static GnomeVFSResult FileNameInformationStruct_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
435 FILE_NAME_INFORMATION *FileNameInformationStruct)
437 UNICODE_STRING FileName_UnicodeString;
439 g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_GENERIC);
440 g_return_val_if_fail(FileNameInformationStruct!=NULL,GNOME_VFS_ERROR_GENERIC);
442 FileName_UnicodeString.Length=FileNameInformationStruct->FileNameLength;
443 FileName_UnicodeString.MaximumLength=FileNameInformationStruct->FileNameLength
444 +sizeof(*FileNameInformationStruct->FileName); /* 0-terminator */
446 #if 0 /* 'IoStatusBlock->Information' is sometimes weird, do not check it */
447 g_assert((gpointer)(((char *)FileNameInformationStruct->FileName)+FileName_UnicodeString.Length)
448 <=(gpointer)(((char *)FileAllInformationStruct)+IoStatusBlock->Information));
449 /* ensure we fit below '->IoStatusBlock->Information' at least without the 0-terminator */
452 FileNameInformationStruct->FileName[FileNameInformationStruct->FileNameLength
453 /sizeof(*FileNameInformationStruct->FileName)]=0; /* 0-terminate it */
454 FileName_UnicodeString.Buffer=FileNameInformationStruct->FileName;
455 file_info->name=captive_UnicodeString_to_utf8_malloc(&FileName_UnicodeString);
456 /* '->name' assumed for 'file_info->valid_fields' */
462 /* Use 'FileBasicInformationStruct' identifier instead of the logical 'FileBasicInformation'
463 * to prevent override of enum member 'FileBasicInformation'
465 static GnomeVFSResult FileBasicInformationStruct_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
466 FILE_BASIC_INFORMATION *FileBasicInformationStruct)
471 /* FIXME: What is 'FILE_ATTRIBUTE_NORMAL'? */
472 switch (FileBasicInformationStruct->FileAttributes & (0
473 | FILE_ATTRIBUTE_DIRECTORY
474 | FILE_ATTRIBUTE_DEVICE)) {
475 case 0: file_info->type=GNOME_VFS_FILE_TYPE_REGULAR; break;
476 case FILE_ATTRIBUTE_DIRECTORY: file_info->type=GNOME_VFS_FILE_TYPE_DIRECTORY; break;
477 case FILE_ATTRIBUTE_DEVICE: file_info->type=GNOME_VFS_FILE_TYPE_SOCKET;
478 /* or GNOME_VFS_FILE_TYPE_CHARACTER_DEVICE or GNOME_VFS_FILE_TYPE_BLOCK_DEVICE ? */
480 default: file_info->type=GNOME_VFS_FILE_TYPE_UNKNOWN; break;
482 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_TYPE;
484 /* we use 0600 for r/w files, 0400 for FILE_ATTRIBUTE_READONLY */
485 file_info->permissions=GNOME_VFS_PERM_USER_READ;
486 if (file_info->type==GNOME_VFS_FILE_TYPE_DIRECTORY)
487 file_info->permissions|=GNOME_VFS_PERM_USER_EXEC;
488 if (!(FileBasicInformationStruct->FileAttributes & FILE_ATTRIBUTE_READONLY))
489 file_info->permissions|=GNOME_VFS_PERM_USER_WRITE;
490 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS;
492 if (FileBasicInformationStruct->LastAccessTime.QuadPart) { /* it may be 0 if not set */
493 errBOOLEAN=RtlTimeToSecondsSince1970(&FileBasicInformationStruct->LastAccessTime,&tmp_ULONG);
494 g_assert(errBOOLEAN==TRUE);
495 file_info->atime=tmp_ULONG;
496 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_ATIME;
499 /* it may be 0 if not set */
500 if (FileBasicInformationStruct->LastWriteTime.QuadPart || FileBasicInformationStruct->ChangeTime.QuadPart) {
501 errBOOLEAN=RtlTimeToSecondsSince1970(
502 /* take the more recent (==bigger) time: */
503 (FileBasicInformationStruct->LastWriteTime.QuadPart > FileBasicInformationStruct->ChangeTime.QuadPart
504 ? &FileBasicInformationStruct->LastWriteTime : &FileBasicInformationStruct->ChangeTime),
506 g_assert(errBOOLEAN==TRUE);
507 file_info->mtime=tmp_ULONG;
508 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_MTIME;
511 if (FileBasicInformationStruct->CreationTime.QuadPart) { /* it may be 0 if not set */
512 errBOOLEAN=RtlTimeToSecondsSince1970(&FileBasicInformationStruct->CreationTime,&tmp_ULONG);
513 g_assert(errBOOLEAN==TRUE);
514 file_info->ctime=tmp_ULONG;
515 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_CTIME;
522 /* Use 'FileStandardInformationStruct' identifier instead of the logical 'FileStandardInformation'
523 * to prevent override of enum member 'FileStandardInformation'
525 static GnomeVFSResult FileStandardInformationStruct_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
526 FILE_STANDARD_INFORMATION *FileStandardInformationStruct)
528 file_info->size=FileStandardInformationStruct->EndOfFile.QuadPart;
529 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_SIZE;
531 file_info->block_count=FileStandardInformationStruct->AllocationSize.QuadPart/512;
532 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_BLOCK_COUNT;
538 GnomeVFSResult captive_file_file_info_get(CaptiveFileObject *captive_file_object,
539 GnomeVFSFileInfo *file_info)
542 IO_STATUS_BLOCK file_IoStatusBlock;
543 FILE_NAME_INFORMATION *FileNameInformationStruct;
544 FILE_BASIC_INFORMATION *FileBasicInformationStruct;
545 FILE_STANDARD_INFORMATION *FileStandardInformationStruct;
546 GnomeVFSResult errvfsresult;
547 char QueryFile_buf[sizeof(FILE_NAME_INFORMATION)
548 +0x1000 /* max 'FileName' length, 255 should be enough */ * sizeof(WCHAR /* *FILE_ALL_INFORMATION.NameInformation.FileName */ )];
550 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
551 g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
553 if (captive_file_object->vfs->is_sandbox_parent)
554 return captive_sandbox_parent_file_file_info_get(captive_file_object,file_info);
556 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
558 /* ntfs.sys of NT-5.1sp1 has *(FILE_BASIC_INFORMATION *)FILE_ALL_INFORMATION.BasicInformation
559 * size 0x28 although reactos includes and all the information says 0x24.
560 * fastfat.sys of NT-5.1sp1 also has the 'official' sizeof 0x24.
561 * It would be a bit of heuristic to correctly detect its expected sizeof.
564 file_info->valid_fields=0;
566 file_info->flags=GNOME_VFS_FILE_FLAGS_LOCAL;
567 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_FLAGS;
569 /* query NameInformation */
570 FileNameInformationStruct=(void *)QueryFile_buf;
571 err=NtQueryInformationFile(
572 captive_file_object->file_Handle, /* FileHandle */
573 &file_IoStatusBlock, /* IoStatusBlock */
574 (gpointer)QueryFile_buf, /* FileInformation */
575 sizeof(QueryFile_buf) /* Length */
576 -sizeof(*FileNameInformationStruct->FileName), /* reserve space for a possible 0-terminator */
577 FileNameInformation); /* FileInformationClass; =>FILE_NAME_INFORMATION */
578 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
580 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
581 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
582 errvfsresult=FileNameInformationStruct_to_GnomeVFSFileInfo(file_info,FileNameInformationStruct);
583 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
585 /* query BasicInformation */
586 FileBasicInformationStruct=(void *)QueryFile_buf;
587 err=NtQueryInformationFile(
588 captive_file_object->file_Handle, /* FileHandle */
589 &file_IoStatusBlock, /* IoStatusBlock */
590 (gpointer)QueryFile_buf, /* FileInformation */
591 sizeof(QueryFile_buf), /* Length */
592 FileBasicInformation); /* FileInformationClass; =>FILE_BASIC_INFORMATION */
593 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
595 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
596 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
597 errvfsresult=FileBasicInformationStruct_to_GnomeVFSFileInfo(file_info,FileBasicInformationStruct);
598 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
600 /* query StandardInformation */
601 FileStandardInformationStruct=(void *)QueryFile_buf;
602 err=NtQueryInformationFile(
603 captive_file_object->file_Handle, /* FileHandle */
604 &file_IoStatusBlock, /* IoStatusBlock */
605 (gpointer)QueryFile_buf, /* FileInformation */
606 sizeof(QueryFile_buf), /* Length */
607 FileStandardInformation); /* FileInformationClass; =>FILE_STANDARD_INFORMATION */
608 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
610 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
611 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
612 errvfsresult=FileStandardInformationStruct_to_GnomeVFSFileInfo(file_info,FileStandardInformationStruct);
613 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
620 GnomeVFSResult captive_file_file_info_set(CaptiveFileObject *captive_file_object,
621 const GnomeVFSFileInfo *info,GnomeVFSSetFileInfoMask mask)
623 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
624 g_return_val_if_fail(info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
626 if (captive_file_object->vfs->is_sandbox_parent)
627 return captive_sandbox_parent_file_file_info_set(captive_file_object,info,mask);
629 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
631 if (mask & GNOME_VFS_SET_FILE_INFO_NAME) {
632 gchar *name_dirname,*name_basename;
633 UNICODE_STRING *name_UnicodeString;
634 FILE_RENAME_INFORMATION *FileRenameInformation_structp;
635 gsize FileRenameInformation_struct_len;
636 IO_STATUS_BLOCK file_IoStatusBlock;
638 GnomeVFSResult errvfsresult;
640 /* non-existing dirname assertion */
641 name_dirname=g_path_get_dirname(info->name);
643 g_assert_not_reached();
644 errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
648 /* fully-matching basename assertion */
649 name_basename=g_path_get_basename(info->name);
650 if (strcmp(name_basename,info->name)) {
651 g_assert_not_reached();
652 errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
653 goto err_free_name_dirname;
656 name_UnicodeString=captive_utf8_to_UnicodeString_alloca(info->name);
657 FileRenameInformation_struct_len=sizeof(*FileRenameInformation_structp)
658 +name_UnicodeString->MaximumLength; /* ==Length+(0-terminator); is the terminator needed? */
660 FileRenameInformation_structp=g_alloca(FileRenameInformation_struct_len);
661 FileRenameInformation_structp->Replace=FALSE;
662 FileRenameInformation_structp->RootDir=NULL; /* we do 'simple rename' here */
663 FileRenameInformation_structp->FileNameLength=name_UnicodeString->Length;
664 memcpy(FileRenameInformation_structp->FileName,name_UnicodeString->Buffer,
665 name_UnicodeString->MaximumLength); /* ==Length+(0-terminator); is the terminator needed? */
667 err=NtSetInformationFile(
668 captive_file_object->file_Handle, /* FileHandle */
669 &file_IoStatusBlock, /* IoStatusBlock */
670 FileRenameInformation_structp, /* FileInformation */
671 FileRenameInformation_struct_len, /* Length */
672 FileRenameInformation); /* FileInformationClass */
673 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
674 goto err_free_name_basename;
676 err_free_name_basename:
677 g_free(name_basename);
678 err_free_name_dirname:
679 g_free(name_dirname);
682 if (errvfsresult!=GNOME_VFS_OK)
684 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
687 if (mask & (GNOME_VFS_SET_FILE_INFO_PERMISSIONS | GNOME_VFS_SET_FILE_INFO_TIME)) {
688 char FileBasicInformation_buf[sizeof(FILE_BASIC_INFORMATION)+4];
689 FILE_BASIC_INFORMATION *FileBasicInformationp=(FILE_BASIC_INFORMATION *)FileBasicInformation_buf;
690 IO_STATUS_BLOCK file_IoStatusBlock;
693 /* FIXME: Everywhere is is the declaration with 4xLARGE_INTEGER+1xULONG==36 bytes
694 * but the precompiled ext2fsd.sys wants 40 bytes - why?
695 * The same case applies to ntfs.sys of NT-5.1sp1.
697 g_assert(sizeof(FILE_BASIC_INFORMATION)==36);
698 g_assert(sizeof(FileBasicInformation_buf)==40);
699 err=NtQueryInformationFile(
700 captive_file_object->file_Handle, /* FileHandle */
701 &file_IoStatusBlock, /* IoStatusBlock */
702 FileBasicInformation_buf, /* FileInformation */
703 sizeof(FileBasicInformation_buf), /* Length */
704 FileBasicInformation); /* FileInformationClass */
705 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
707 if (mask & GNOME_VFS_SET_FILE_INFO_PERMISSIONS) {
708 FileBasicInformationp->FileAttributes&=~FILE_ATTRIBUTE_READONLY;
709 g_assert(info->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS);
710 if (!(info->permissions&0200))
711 FileBasicInformationp->FileAttributes|=FILE_ATTRIBUTE_READONLY;
714 if (mask & GNOME_VFS_SET_FILE_INFO_TIME) {
715 g_assert(info->valid_fields & (0
716 | GNOME_VFS_FILE_INFO_FIELDS_ATIME
717 | GNOME_VFS_FILE_INFO_FIELDS_MTIME
718 | GNOME_VFS_FILE_INFO_FIELDS_CTIME));
719 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_ATIME) {
720 RtlSecondsSince1970ToTime(
721 info->atime, /* SecondsSince1970 */
722 &FileBasicInformationp->LastAccessTime); /* Time */
724 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_MTIME) {
725 RtlSecondsSince1970ToTime(
726 info->mtime, /* SecondsSince1970 */
727 &FileBasicInformationp->LastWriteTime); /* Time */
728 FileBasicInformationp->ChangeTime=FileBasicInformationp->LastWriteTime;
730 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_CTIME) {
731 RtlSecondsSince1970ToTime(
732 info->ctime, /* SecondsSince1970 */
733 &FileBasicInformationp->CreationTime); /* Time */
737 err=NtSetInformationFile(
738 captive_file_object->file_Handle, /* FileHandle */
739 &file_IoStatusBlock, /* IoStatusBlock */
740 FileBasicInformation_buf, /* FileInformation */
741 sizeof(FileBasicInformation_buf), /* Length */
742 FileBasicInformation); /* FileInformationClass */
743 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
746 if (mask & GNOME_VFS_SET_FILE_INFO_OWNER) {
747 /* FIXME: g_assert(info->valid_fields & ???); */
748 /* owner ignored for W32 */
756 GnomeVFSResult captive_file_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size)
759 FILE_END_OF_FILE_INFORMATION FileEndOfFileInformation_struct;
760 IO_STATUS_BLOCK file_IoStatusBlock;
761 GnomeVFSResult errvfsresult;
763 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
765 if (captive_file_object->vfs->is_sandbox_parent)
766 return captive_sandbox_parent_file_truncate(captive_file_object,file_size);
768 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
770 FileEndOfFileInformation_struct.EndOfFile.QuadPart=file_size;
772 err=NtSetInformationFile(
773 captive_file_object->file_Handle, /* FileHandle */
774 &file_IoStatusBlock, /* IoStatusBlock */
775 &FileEndOfFileInformation_struct, /* FileInformation */
776 sizeof(FileEndOfFileInformation_struct), /* Length */
777 FileEndOfFileInformation); /* FileInformationClass */
778 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
780 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
787 GnomeVFSResult captive_file_move(CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace)
790 FILE_RENAME_INFORMATION *FileRenameInformation_structp;
791 IO_STATUS_BLOCK file_IoStatusBlock;
792 GnomeVFSResult errvfsresult;
793 OBJECT_ATTRIBUTES pathname_new_ObjectAttributes;
795 g_return_val_if_fail(captive_file_object_old!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
796 g_return_val_if_fail(pathname_new!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
798 if (captive_file_object_old->vfs->is_sandbox_parent)
799 return captive_sandbox_parent_file_move(captive_file_object_old,pathname_new,force_replace);
801 g_return_val_if_fail(captive_file_object_old->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
803 errvfsresult=captive_ObjectAttributes_init(pathname_new,&pathname_new_ObjectAttributes);
804 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
806 FileRenameInformation_structp=
807 g_alloca(sizeof(*FileRenameInformation_structp)+pathname_new_ObjectAttributes.ObjectName->MaximumLength);
808 FileRenameInformation_structp->Replace=force_replace;
809 FileRenameInformation_structp->RootDir=0; /* AFAIK never set by orig W32 */
810 FileRenameInformation_structp->FileNameLength=pathname_new_ObjectAttributes.ObjectName->Length;
811 memcpy(FileRenameInformation_structp->FileName,pathname_new_ObjectAttributes.ObjectName->Buffer,
812 pathname_new_ObjectAttributes.ObjectName->MaximumLength);
814 err=NtSetInformationFile(
815 captive_file_object_old->file_Handle, /* FileHandle */
816 &file_IoStatusBlock, /* IoStatusBlock */
817 FileRenameInformation_structp, /* FileInformation */
818 sizeof(*FileRenameInformation_structp)+pathname_new_ObjectAttributes.ObjectName->MaximumLength, /* Length */
819 FileRenameInformation); /* FileInformationClass */
820 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
821 goto err_free_ObjectAttributes;
822 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
824 errvfsresult=GNOME_VFS_OK;
826 err_free_ObjectAttributes:
827 g_free(pathname_new_ObjectAttributes.ObjectName); /* left from captive_file_uri_parent_init() */