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 */
24 #include <glib/gmessages.h>
25 #include "captive/unicode.h"
26 #include "reactos/ntos/types.h" /* for HANDLE */
27 #include "reactos/ddk/iotypes.h" /* for IO_STATUS_BLOCK */
28 #include "reactos/ddk/iofuncs.h" /* for IoCreateFile() */
29 #include "captive/sandbox.h"
31 #include "captive/client-directory.h"
32 #include "reactos/ddk/obfuncs.h" /* for ObReferenceObjectByHandle() */
33 #include "captive/macros.h"
36 static gpointer captive_file_object_parent_class=NULL;
39 static GnomeVFSResult captive_file_close(CaptiveFileObject *captive_file_object);
41 static void captive_file_object_finalize(CaptiveFileObject *captive_file_object)
43 GnomeVFSResult errvfsresult;
45 g_return_if_fail(captive_file_object!=NULL);
47 errvfsresult=captive_file_close(captive_file_object);
48 g_assert(errvfsresult==GNOME_VFS_OK);
50 G_OBJECT_CLASS(captive_file_object_parent_class)->finalize((GObject *)captive_file_object);
54 static void captive_file_object_class_init(CaptiveFileObjectClass *class)
56 GObjectClass *gobject_class=G_OBJECT_CLASS(class);
58 captive_file_object_parent_class=g_type_class_ref(G_TYPE_OBJECT);
59 gobject_class->finalize=(void (*)(GObject *object))captive_file_object_finalize;
63 static void captive_file_object_init(CaptiveFileObject *captive_file_object)
65 captive_file_object->file_Handle=NULL;
69 GType captive_file_object_get_type(void)
71 static GType captive_file_object_type=0;
73 if (!captive_file_object_type) {
74 static const GTypeInfo captive_file_object_info={
75 sizeof(CaptiveFileObjectClass),
77 NULL, /* base_finalize */
78 (GClassInitFunc)captive_file_object_class_init,
79 NULL, /* class_finalize */
80 NULL, /* class_data */
81 sizeof(CaptiveFileObject),
83 (GInstanceInitFunc)captive_file_object_init,
86 captive_file_object_type=g_type_register_static(G_TYPE_OBJECT,
87 "CaptiveFileObject",&captive_file_object_info,0);
90 return captive_file_object_type;
94 static GnomeVFSResult captive_file_new_internal(CaptiveFileObject **captive_file_object_return,
95 const gchar *pathname,GnomeVFSOpenMode mode,gboolean create,gboolean create_exclusive,guint create_perm)
97 IO_STATUS_BLOCK file_IoStatusBlock;
98 GnomeVFSResult errvfsresult;
99 OBJECT_ATTRIBUTES file_ObjectAttributes;
101 CaptiveFileObject *captive_file_object;
104 if (CAPTIVE_IS_SANDBOX_PARENT())
105 return captive_sandbox_parent_file_new_open(captive_file_object_return,pathname,mode);
107 g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
108 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
110 *captive_file_object_return=NULL;
112 errvfsresult=captive_ObjectAttributes_init(pathname,&file_ObjectAttributes);
113 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
117 &file_Handle, /* FileHandle */
119 |(!(mode&GNOME_VFS_OPEN_READ ) ? 0 : FILE_READ_DATA)
120 |(!(mode&GNOME_VFS_OPEN_WRITE) ? 0 : FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES)
121 |( mode!=0 ? 0 : FILE_READ_ATTRIBUTES)
122 , /* DesiredAccess */
123 &file_ObjectAttributes, /* ObjectAttributes */
124 &file_IoStatusBlock, /* IoStatusBlock */
125 NULL, /* AllocationSize; ignored for open */
126 (!create || create_perm&0200 ? FILE_ATTRIBUTE_NORMAL: FILE_ATTRIBUTE_READONLY), /* FileAttributes; ignored for open */
127 (!create || !create_exclusive /* ShareAccess; 0 means exclusive */
128 ? (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE)
130 (!create ? FILE_OPEN : FILE_CREATE), /* CreateDisposition */
131 /* FILE_SYNCHRONOUS_IO_{,NON}ALERT: We need to allow W32 filesystem
132 * any waits to not to let it return STATUS_CANT_WAIT us.
133 * Alertability should have only effect on asynchronous events
134 * from KeWaitForSingleObject() by setting/clearing its parameter 'Alertable'.
136 FILE_SYNCHRONOUS_IO_ALERT, /* CreateOptions */
139 CreateFileTypeNone, /* CreateFileType */
140 NULL, /* ExtraCreateParameters */
142 g_free(file_ObjectAttributes.ObjectName); /* left from captive_file_uri_parent_init() */
143 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
144 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
146 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
147 g_return_val_if_fail(file_IoStatusBlock.Information
148 ==(!create ? FILE_OPENED : FILE_CREATED),
149 GNOME_VFS_ERROR_GENERIC);
151 captive_file_object=g_object_new(
152 CAPTIVE_FILE_TYPE_OBJECT, /* object_type */
153 NULL); /* first_property_name; FIXME: support properties */
155 captive_file_object->file_Handle=file_Handle;
156 captive_file_object->offset=0;
158 *captive_file_object_return=captive_file_object;
163 GnomeVFSResult captive_file_new_open
164 (CaptiveFileObject **captive_file_object_return,const gchar *pathname,GnomeVFSOpenMode mode)
166 g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
167 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
169 return captive_file_new_internal(captive_file_object_return,pathname,mode,
171 FALSE, /* create_exclusive; ignored */
172 0); /* create_perm; ignored */
176 GnomeVFSResult captive_file_new_create
177 (CaptiveFileObject **captive_file_object_return,const gchar *pathname,GnomeVFSOpenMode mode,gboolean exclusive,guint perm)
179 g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
180 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
182 return captive_file_new_internal(captive_file_object_return,pathname,mode,
184 exclusive, /* create_exclusive */
185 perm); /* create_perm */
189 static GnomeVFSResult captive_file_close(CaptiveFileObject *captive_file_object)
194 if (CAPTIVE_IS_SANDBOX_PARENT())
195 return captive_sandbox_parent_file_close(captive_file_object);
197 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
198 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS); /* already closed */
200 file_Handle=captive_file_object->file_Handle;
201 captive_file_object->file_Handle=NULL;
202 err=NtClose(file_Handle);
203 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
209 GnomeVFSResult captive_file_read(CaptiveFileObject *captive_file_object,
210 gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return)
213 IO_STATUS_BLOCK file_IoStatusBlock;
214 LARGE_INTEGER file_offset;
215 GnomeVFSResult errvfsresult;
217 if (CAPTIVE_IS_SANDBOX_PARENT())
218 return captive_sandbox_parent_file_read(captive_file_object,buffer,num_bytes,bytes_read_return);
220 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
221 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
222 g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
223 g_return_val_if_fail(bytes_read_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
224 g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
226 file_offset.QuadPart=captive_file_object->offset;
228 captive_file_object->file_Handle, /* FileHandle */
229 NULL, /* EventHandle; completion signalling; optional */
230 NULL, /* ApcRoutine; optional */
231 NULL, /* ApcContext; optional */
232 &file_IoStatusBlock, /* IoStatusBlock */
234 num_bytes, /* Length */
235 &file_offset, /* ByteOffset */
236 NULL); /* Key; NULL means no file locking key */
237 if (err==STATUS_END_OF_FILE) {
238 g_return_val_if_fail(file_IoStatusBlock.Status==STATUS_END_OF_FILE,GNOME_VFS_ERROR_GENERIC);
239 g_return_val_if_fail(file_IoStatusBlock.Information==0,GNOME_VFS_ERROR_GENERIC);
240 *bytes_read_return=0;
241 return GNOME_VFS_ERROR_EOF;
243 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
245 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
246 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
247 g_return_val_if_fail(file_IoStatusBlock.Information<=num_bytes,GNOME_VFS_ERROR_GENERIC);
249 captive_file_object->offset+=file_IoStatusBlock.Information;
250 *bytes_read_return=file_IoStatusBlock.Information;
255 GnomeVFSResult captive_file_write(CaptiveFileObject *captive_file_object,
256 gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return)
259 IO_STATUS_BLOCK file_IoStatusBlock;
260 LARGE_INTEGER file_offset;
262 if (CAPTIVE_IS_SANDBOX_PARENT())
263 return captive_sandbox_parent_file_write(captive_file_object,buffer,num_bytes,bytes_written_return);
265 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
266 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
267 g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
268 g_return_val_if_fail(bytes_written_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
269 g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
271 file_offset.QuadPart=captive_file_object->offset;
273 captive_file_object->file_Handle, /* FileHandle */
274 NULL, /* Event; completion signalling; optional */
275 NULL, /* ApcRoutine; optional */
276 NULL, /* ApcContext; optional */
277 &file_IoStatusBlock, /* IoStatusBlock */
278 (gpointer /* de-const */ )buffer, /* Buffer */
279 num_bytes, /* Length */
280 &file_offset, /* ByteOffset */
281 NULL); /* Key; NULL means no file locking key */
282 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
283 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
284 g_return_val_if_fail(file_IoStatusBlock.Information==num_bytes,GNOME_VFS_ERROR_GENERIC);
286 captive_file_object->offset+=file_IoStatusBlock.Information;
287 *bytes_written_return=file_IoStatusBlock.Information;
292 GnomeVFSResult captive_file_seek
293 (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset)
295 if (CAPTIVE_IS_SANDBOX_PARENT())
296 return captive_sandbox_parent_file_seek(captive_file_object,whence,offset);
298 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
299 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
302 case GNOME_VFS_SEEK_START:
303 captive_file_object->offset=offset;
305 case GNOME_VFS_SEEK_CURRENT:
307 || (offset>0 && (captive_file_object->offset+offset)<captive_file_object->offset)
308 || (offset<0 && (captive_file_object->offset+offset)>captive_file_object->offset))
309 return GNOME_VFS_ERROR_BAD_PARAMETERS;
310 captive_file_object->offset+=offset;
312 case GNOME_VFS_SEEK_END:
313 g_assert_not_reached(); /* NOT IMPLEMENTED YET */
316 g_return_val_if_reached(GNOME_VFS_ERROR_BAD_PARAMETERS);
323 GnomeVFSResult captive_file_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return)
325 if (CAPTIVE_IS_SANDBOX_PARENT())
326 return captive_sandbox_parent_file_tell(captive_file_object,offset_return);
328 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
329 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
330 g_return_val_if_fail(offset_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
332 *offset_return=captive_file_object->offset;
337 GnomeVFSResult captive_file_remove(CaptiveFileObject *captive_file_object)
340 FILE_DISPOSITION_INFORMATION FileDispositionInformation_struct;
341 IO_STATUS_BLOCK file_IoStatusBlock;
342 GnomeVFSResult errvfsresult;
344 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
345 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
347 FileDispositionInformation_struct.DoDeleteFile=TRUE;
349 err=NtSetInformationFile(
350 captive_file_object->file_Handle, /* FileHandle */
351 &file_IoStatusBlock, /* IoStatusBlock */
352 &FileDispositionInformation_struct, /* FileInformation */
353 sizeof(FileDispositionInformation_struct), /* Length */
354 FileDispositionInformation); /* FileInformationClass */
355 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
357 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
363 /* Use 'FileAllInformationStruct' identifier instead of the logical 'FileAllInformation'
364 * to prevent override of enum member 'FileAllInformation'
366 static GnomeVFSResult FileAllInformationStruct_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
367 FILE_ALL_INFORMATION *FileAllInformationStruct,IO_STATUS_BLOCK *IoStatusBlock)
369 UNICODE_STRING FileName_UnicodeString;
373 g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_GENERIC);
374 g_return_val_if_fail(FileAllInformationStruct!=NULL,GNOME_VFS_ERROR_GENERIC);
376 g_return_val_if_fail(NT_SUCCESS(IoStatusBlock->Status),GNOME_VFS_ERROR_GENERIC);
378 file_info->valid_fields=0;
380 FileName_UnicodeString.Length=FileAllInformationStruct->NameInformation.FileNameLength;
381 FileName_UnicodeString.MaximumLength=FileAllInformationStruct->NameInformation.FileNameLength
382 +sizeof(*FileAllInformationStruct->NameInformation.FileName); /* 0-terminator */
383 g_assert((gpointer)(((char *)FileAllInformationStruct->NameInformation.FileName)+FileName_UnicodeString.Length)
384 <=(gpointer)(((char *)FileAllInformationStruct)+IoStatusBlock->Information));
385 /* ensure we fit below '->IoStatusBlock->Information' at least without the 0-terminator */
386 FileAllInformationStruct->NameInformation.FileName[FileAllInformationStruct->NameInformation.FileNameLength
387 /sizeof(*FileAllInformationStruct->NameInformation.FileName)]=0; /* 0-terminate it */
388 FileName_UnicodeString.Buffer=FileAllInformationStruct->NameInformation.FileName;
389 file_info->name=captive_UnicodeString_to_utf8_malloc(&FileName_UnicodeString);
390 /* '->name' assumed for 'file_info->valid_fields' */
392 /* FIXME: What is 'FILE_ATTRIBUTE_NORMAL'? */
393 switch (FileAllInformationStruct->BasicInformation.FileAttributes & (0
394 | FILE_ATTRIBUTE_DIRECTORY
395 | FILE_ATTRIBUTE_DEVICE)) {
396 case 0: file_info->type=GNOME_VFS_FILE_TYPE_REGULAR; break;
397 case FILE_ATTRIBUTE_DIRECTORY: file_info->type=GNOME_VFS_FILE_TYPE_DIRECTORY; break;
398 case FILE_ATTRIBUTE_DEVICE: file_info->type=GNOME_VFS_FILE_TYPE_SOCKET;
399 /* or GNOME_VFS_FILE_TYPE_CHARACTER_DEVICE or GNOME_VFS_FILE_TYPE_BLOCK_DEVICE ? */
401 default: file_info->type=GNOME_VFS_FILE_TYPE_UNKNOWN; break;
403 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_TYPE;
405 /* we use 0600 for r/w files, 0400 for FILE_ATTRIBUTE_READONLY */
406 file_info->permissions=GNOME_VFS_PERM_USER_READ;
407 if (file_info->type==GNOME_VFS_FILE_TYPE_DIRECTORY)
408 file_info->permissions|=GNOME_VFS_PERM_USER_EXEC;
409 if (!(FileAllInformationStruct->BasicInformation.FileAttributes & FILE_ATTRIBUTE_READONLY))
410 file_info->permissions|=GNOME_VFS_PERM_USER_WRITE;
411 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS;
413 file_info->size=FileAllInformationStruct->StandardInformation.EndOfFile.QuadPart;
414 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_SIZE;
416 file_info->block_count=FileAllInformationStruct->StandardInformation.AllocationSize.QuadPart/512;
417 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_BLOCK_COUNT;
419 file_info->flags=GNOME_VFS_FILE_FLAGS_LOCAL;
420 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_FLAGS;
422 if (FileAllInformationStruct->BasicInformation.LastAccessTime.QuadPart) { /* it may be 0 if not set */
423 errBOOLEAN=RtlTimeToSecondsSince1970(&FileAllInformationStruct->BasicInformation.LastAccessTime,&tmp_ULONG);
424 g_assert(errBOOLEAN==TRUE);
425 file_info->atime=tmp_ULONG;
426 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_ATIME;
429 /* it may be 0 if not set */
430 if (FileAllInformationStruct->BasicInformation.LastWriteTime.QuadPart || FileAllInformationStruct->BasicInformation.ChangeTime.QuadPart) {
431 errBOOLEAN=RtlTimeToSecondsSince1970(
432 /* take the more recent (==bigger) time: */
433 (FileAllInformationStruct->BasicInformation.LastWriteTime.QuadPart > FileAllInformationStruct->BasicInformation.ChangeTime.QuadPart
434 ? &FileAllInformationStruct->BasicInformation.LastWriteTime : &FileAllInformationStruct->BasicInformation.ChangeTime),
436 g_assert(errBOOLEAN==TRUE);
437 file_info->mtime=tmp_ULONG;
438 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_MTIME;
441 if (FileAllInformationStruct->BasicInformation.CreationTime.QuadPart) { /* it may be 0 if not set */
442 errBOOLEAN=RtlTimeToSecondsSince1970(&FileAllInformationStruct->BasicInformation.CreationTime,&tmp_ULONG);
443 g_assert(errBOOLEAN==TRUE);
444 file_info->ctime=tmp_ULONG;
445 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_CTIME;
452 GnomeVFSResult captive_file_file_info_get(CaptiveFileObject *captive_file_object,
453 GnomeVFSFileInfo *file_info)
456 IO_STATUS_BLOCK file_IoStatusBlock;
457 FILE_ALL_INFORMATION *FileAllInformationStruct;
458 GnomeVFSResult errvfsresult;
459 char QueryFile_buf[sizeof(FILE_ALL_INFORMATION)
460 +0x1000 /* max 'FileName' length, 255 should be enough */ * sizeof(WCHAR /* *FILE_ALL_INFORMATION.NameInformation.FileName */ )];
462 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
463 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
464 g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
467 FileAllInformationStruct=(void *)QueryFile_buf;
468 err=NtQueryInformationFile(
469 captive_file_object->file_Handle, /* FileHandle */
470 &file_IoStatusBlock, /* IoStatusBlock */
471 (gpointer)QueryFile_buf, /* FileInformation */
472 sizeof(QueryFile_buf) /* Length */
473 -sizeof(*FileAllInformationStruct->NameInformation.FileName), /* reserve space for 0-terminator */
474 FileAllInformation); /* FileInformationClass; =>FILE_ALL_INFORMATION */
475 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
477 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
479 /* process gathered info */
480 errvfsresult=FileAllInformationStruct_to_GnomeVFSFileInfo(file_info,FileAllInformationStruct,
481 &file_IoStatusBlock);
482 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
488 GnomeVFSResult captive_file_file_info_set(CaptiveFileObject *captive_file_object,
489 const GnomeVFSFileInfo *info,GnomeVFSSetFileInfoMask mask)
491 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
492 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
493 g_return_val_if_fail(info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
495 if (mask & GNOME_VFS_SET_FILE_INFO_NAME) {
496 gchar *name_dirname,*name_basename;
497 UNICODE_STRING *name_UnicodeString;
498 FILE_RENAME_INFORMATION *FileRenameInformation_structp;
499 gsize FileRenameInformation_struct_len;
500 IO_STATUS_BLOCK file_IoStatusBlock;
502 GnomeVFSResult errvfsresult;
504 /* non-existing dirname assertion */
505 name_dirname=g_path_get_dirname(info->name);
507 g_assert_not_reached();
508 errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
512 /* fully-matching basename assertion */
513 name_basename=g_path_get_basename(info->name);
514 if (strcmp(name_basename,info->name)) {
515 g_assert_not_reached();
516 errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
517 goto err_free_name_dirname;
520 name_UnicodeString=captive_utf8_to_UnicodeString_alloca(info->name);
521 FileRenameInformation_struct_len=sizeof(*FileRenameInformation_structp)
522 +name_UnicodeString->MaximumLength; /* ==Length+(0-terminator); is the terminator needed? */
524 FileRenameInformation_structp=g_alloca(FileRenameInformation_struct_len);
525 FileRenameInformation_structp->Replace=FALSE;
526 FileRenameInformation_structp->RootDir=NULL; /* we do 'simple rename' here */
527 FileRenameInformation_structp->FileNameLength=name_UnicodeString->Length;
528 memcpy(FileRenameInformation_structp->FileName,name_UnicodeString->Buffer,
529 name_UnicodeString->MaximumLength); /* ==Length+(0-terminator); is the terminator needed? */
531 err=NtSetInformationFile(
532 captive_file_object->file_Handle, /* FileHandle */
533 &file_IoStatusBlock, /* IoStatusBlock */
534 FileRenameInformation_structp, /* FileInformation */
535 FileRenameInformation_struct_len, /* Length */
536 FileRenameInformation); /* FileInformationClass */
537 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err))) {
538 g_assert_not_reached();
539 errvfsresult=GNOME_VFS_ERROR_GENERIC;
540 goto err_free_name_basename;
543 errvfsresult=GNOME_VFS_OK;
545 err_free_name_basename:
546 g_free(name_basename);
547 err_free_name_dirname:
548 g_free(name_dirname);
551 if (errvfsresult!=GNOME_VFS_OK)
555 if (mask & (GNOME_VFS_SET_FILE_INFO_PERMISSIONS | GNOME_VFS_SET_FILE_INFO_TIME)) {
556 char FileBasicInformation_buf[sizeof(FILE_BASIC_INFORMATION)+4];
557 FILE_BASIC_INFORMATION *FileBasicInformationp=(FILE_BASIC_INFORMATION *)FileBasicInformation_buf;
558 IO_STATUS_BLOCK file_IoStatusBlock;
561 /* FIXME: Everywhere is is the declaration with 4xLARGE_INTEGER+1xULONG==36 bytes
562 * but the precompiled ext2fsd.sys wants 40 bytes - why?
564 g_assert(sizeof(FILE_BASIC_INFORMATION)==36);
565 g_assert(sizeof(FileBasicInformation_buf)==40);
566 err=NtQueryInformationFile(
567 captive_file_object->file_Handle, /* FileHandle */
568 &file_IoStatusBlock, /* IoStatusBlock */
569 FileBasicInformation_buf, /* FileInformation */
570 sizeof(FileBasicInformation_buf), /* Length */
571 FileBasicInformation); /* FileInformationClass */
572 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
574 if (mask & GNOME_VFS_SET_FILE_INFO_PERMISSIONS) {
575 FileBasicInformationp->FileAttributes&=~FILE_ATTRIBUTE_READONLY;
576 g_assert(info->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS);
577 if (!(info->permissions&0200))
578 FileBasicInformationp->FileAttributes|=FILE_ATTRIBUTE_READONLY;
581 if (mask & GNOME_VFS_SET_FILE_INFO_TIME) {
582 g_assert(info->valid_fields & (0
583 | GNOME_VFS_FILE_INFO_FIELDS_ATIME
584 | GNOME_VFS_FILE_INFO_FIELDS_MTIME
585 | GNOME_VFS_FILE_INFO_FIELDS_CTIME));
586 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_ATIME) {
587 RtlSecondsSince1970ToTime(
588 info->atime, /* SecondsSince1970 */
589 &FileBasicInformationp->LastAccessTime); /* Time */
591 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_MTIME) {
592 RtlSecondsSince1970ToTime(
593 info->mtime, /* SecondsSince1970 */
594 &FileBasicInformationp->LastWriteTime); /* Time */
595 FileBasicInformationp->ChangeTime=FileBasicInformationp->LastWriteTime;
597 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_CTIME) {
598 RtlSecondsSince1970ToTime(
599 info->ctime, /* SecondsSince1970 */
600 &FileBasicInformationp->CreationTime); /* Time */
604 err=NtSetInformationFile(
605 captive_file_object->file_Handle, /* FileHandle */
606 &file_IoStatusBlock, /* IoStatusBlock */
607 FileBasicInformation_buf, /* FileInformation */
608 sizeof(FileBasicInformation_buf), /* Length */
609 FileBasicInformation); /* FileInformationClass */
610 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
613 if (mask & GNOME_VFS_SET_FILE_INFO_OWNER) {
614 /* FIXME: g_assert(info->valid_fields & ???); */
615 /* owner ignored for W32 */
622 GnomeVFSResult captive_file_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size)
625 FILE_END_OF_FILE_INFORMATION FileEndOfFileInformation_struct;
626 IO_STATUS_BLOCK file_IoStatusBlock;
627 GnomeVFSResult errvfsresult;
629 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
630 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
632 FileEndOfFileInformation_struct.EndOfFile.QuadPart=file_size;
634 err=NtSetInformationFile(
635 captive_file_object->file_Handle, /* FileHandle */
636 &file_IoStatusBlock, /* IoStatusBlock */
637 &FileEndOfFileInformation_struct, /* FileInformation */
638 sizeof(FileEndOfFileInformation_struct), /* Length */
639 FileEndOfFileInformation); /* FileInformationClass */
640 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
642 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
648 GnomeVFSResult captive_file_move(CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace)
651 FILE_RENAME_INFORMATION FileRenameInformation_struct;
652 IO_STATUS_BLOCK file_IoStatusBlock;
653 GnomeVFSResult errvfsresult;
654 gchar *pathname_new_dirname,*pathname_new_basename;
655 CaptiveDirectoryObject *captive_target_directory_object;
656 FILE_OBJECT *target_dir_FileObject;
657 UNICODE_STRING *target_dir_FileObject_FileName_UnicodeString_local;
659 g_return_val_if_fail(captive_file_object_old!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
660 g_return_val_if_fail(captive_file_object_old->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
661 g_return_val_if_fail(pathname_new!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
663 pathname_new_dirname=g_path_get_dirname(pathname_new);
664 pathname_new_basename=g_path_get_basename(pathname_new);
666 errvfsresult=captive_directory_new_open(&captive_target_directory_object,pathname_new_dirname);
667 if (errvfsresult!=GNOME_VFS_OK)
668 goto err_free_pathnames;
670 err=ObReferenceObjectByHandle(
671 captive_target_directory_object->dir_Handle, /* Handle */
672 (FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY), /* DesiredAccess */
673 IoFileObjectType, /* ObjectType */
674 KernelMode, /* AccessMode */
675 (PVOID *)&target_dir_FileObject, /* Object */
676 NULL); /* HandleInfo */
677 if (!NT_SUCCESS(err)) {
678 g_assert_not_reached();
679 errvfsresult=GNOME_VFS_ERROR_GENERIC;
680 goto err_close_captive_target_directory_object;
683 /* Supply only the 'basename' to 'target_dir_FileObject->FileName'
684 * as the directory is fully determined by its other attributes.
686 target_dir_FileObject_FileName_UnicodeString_local=captive_utf8_to_UnicodeString_alloca(pathname_new_basename);
687 target_dir_FileObject->FileName=*target_dir_FileObject_FileName_UnicodeString_local;
689 ObDereferenceObject(target_dir_FileObject);
691 FileRenameInformation_struct.Replace=force_replace;
692 FileRenameInformation_struct.RootDir=captive_target_directory_object->dir_Handle; /* ->'target_dir_FileObject' */
693 FileRenameInformation_struct.FileNameLength=0; /* provided by 'FileRenameInformation_struct.RootDir' */
695 err=NtSetInformationFile(
696 captive_file_object_old->file_Handle, /* FileHandle */
697 &file_IoStatusBlock, /* IoStatusBlock */
698 &FileRenameInformation_struct, /* FileInformation */
699 sizeof(FileRenameInformation_struct), /* Length */
700 FileRenameInformation); /* FileInformationClass */
701 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err))) {
702 g_assert_not_reached();
703 errvfsresult=GNOME_VFS_ERROR_GENERIC;
708 err_close_captive_target_directory_object:
709 g_object_unref(captive_target_directory_object);
711 g_free(pathname_new_dirname);
712 g_free(pathname_new_basename);