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() */
31 #include "captive/sandbox.h"
33 #include "captive/client-directory.h"
34 #include "reactos/ddk/obfuncs.h" /* for ObReferenceObjectByHandle() */
35 #include "captive/macros.h"
38 static gpointer captive_file_object_parent_class=NULL;
41 static GnomeVFSResult captive_file_close(CaptiveFileObject *captive_file_object);
43 static void captive_file_object_finalize(CaptiveFileObject *captive_file_object)
45 GnomeVFSResult errvfsresult;
47 g_return_if_fail(captive_file_object!=NULL);
49 errvfsresult=captive_file_close(captive_file_object);
50 g_assert(errvfsresult==GNOME_VFS_OK);
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_return,
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;
103 CaptiveFileObject *captive_file_object;
106 if (CAPTIVE_IS_SANDBOX_PARENT())
107 return captive_sandbox_parent_file_new_open(captive_file_object_return,pathname,mode);
109 g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
110 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
112 *captive_file_object_return=NULL;
114 errvfsresult=captive_ObjectAttributes_init(pathname,&file_ObjectAttributes);
115 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
119 &file_Handle, /* FileHandle */
121 |(!(mode&GNOME_VFS_OPEN_READ ) ? 0 : FILE_READ_DATA)
122 |(!(mode&GNOME_VFS_OPEN_WRITE) ? 0 : FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES)
123 |( mode!=0 ? 0 : FILE_READ_ATTRIBUTES)
124 , /* DesiredAccess */
125 &file_ObjectAttributes, /* ObjectAttributes */
126 &file_IoStatusBlock, /* IoStatusBlock */
127 NULL, /* AllocationSize; ignored for open */
128 (!create || create_perm&0200 ? FILE_ATTRIBUTE_NORMAL: FILE_ATTRIBUTE_READONLY), /* FileAttributes; ignored for open */
129 (!create || !create_exclusive /* ShareAccess; 0 means exclusive */
130 ? (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE)
132 (!create ? FILE_OPEN : FILE_CREATE), /* CreateDisposition */
133 /* FILE_SYNCHRONOUS_IO_{,NON}ALERT: We need to allow W32 filesystem
134 * any waits to not to let it return STATUS_CANT_WAIT us.
135 * Alertability should have only effect on asynchronous events
136 * from KeWaitForSingleObject() by setting/clearing its parameter 'Alertable'.
138 FILE_SYNCHRONOUS_IO_ALERT, /* CreateOptions */
141 CreateFileTypeNone, /* CreateFileType */
142 NULL, /* ExtraCreateParameters */
144 g_free(file_ObjectAttributes.ObjectName); /* left from captive_file_uri_parent_init() */
145 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
146 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
148 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
149 g_return_val_if_fail(file_IoStatusBlock.Information
150 ==(!create ? FILE_OPENED : FILE_CREATED),
151 GNOME_VFS_ERROR_GENERIC);
153 captive_file_object=g_object_new(
154 CAPTIVE_FILE_TYPE_OBJECT, /* object_type */
155 NULL); /* first_property_name; FIXME: support properties */
157 captive_file_object->file_Handle=file_Handle;
158 captive_file_object->offset=0;
160 *captive_file_object_return=captive_file_object;
165 GnomeVFSResult captive_file_new_open
166 (CaptiveFileObject **captive_file_object_return,const gchar *pathname,GnomeVFSOpenMode mode)
168 g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
169 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
171 return captive_file_new_internal(captive_file_object_return,pathname,mode,
173 FALSE, /* create_exclusive; ignored */
174 0); /* create_perm; ignored */
178 GnomeVFSResult captive_file_new_create
179 (CaptiveFileObject **captive_file_object_return,const gchar *pathname,GnomeVFSOpenMode mode,gboolean exclusive,guint perm)
181 g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
182 g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
184 return captive_file_new_internal(captive_file_object_return,pathname,mode,
186 exclusive, /* create_exclusive */
187 perm); /* create_perm */
191 static GnomeVFSResult captive_file_close(CaptiveFileObject *captive_file_object)
196 if (CAPTIVE_IS_SANDBOX_PARENT())
197 return captive_sandbox_parent_file_close(captive_file_object);
199 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
200 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS); /* already closed */
202 file_Handle=captive_file_object->file_Handle;
203 captive_file_object->file_Handle=NULL;
204 err=NtClose(file_Handle);
205 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
211 GnomeVFSResult captive_file_read(CaptiveFileObject *captive_file_object,
212 gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return)
215 IO_STATUS_BLOCK file_IoStatusBlock;
216 LARGE_INTEGER file_offset;
217 GnomeVFSResult errvfsresult;
219 if (CAPTIVE_IS_SANDBOX_PARENT())
220 return captive_sandbox_parent_file_read(captive_file_object,buffer,num_bytes,bytes_read_return);
222 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
223 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
224 g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
225 g_return_val_if_fail(bytes_read_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
226 g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
228 file_offset.QuadPart=captive_file_object->offset;
230 captive_file_object->file_Handle, /* FileHandle */
231 NULL, /* EventHandle; completion signalling; optional */
232 NULL, /* ApcRoutine; optional */
233 NULL, /* ApcContext; optional */
234 &file_IoStatusBlock, /* IoStatusBlock */
236 num_bytes, /* Length */
237 &file_offset, /* ByteOffset */
238 NULL); /* Key; NULL means no file locking key */
239 if (err==STATUS_END_OF_FILE) {
240 g_return_val_if_fail(file_IoStatusBlock.Status==STATUS_END_OF_FILE,GNOME_VFS_ERROR_GENERIC);
241 g_return_val_if_fail(file_IoStatusBlock.Information==0,GNOME_VFS_ERROR_GENERIC);
242 *bytes_read_return=0;
243 return GNOME_VFS_ERROR_EOF;
245 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
247 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
248 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
249 g_return_val_if_fail(file_IoStatusBlock.Information<=num_bytes,GNOME_VFS_ERROR_GENERIC);
251 captive_file_object->offset+=file_IoStatusBlock.Information;
252 *bytes_read_return=file_IoStatusBlock.Information;
257 GnomeVFSResult captive_file_write(CaptiveFileObject *captive_file_object,
258 gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return)
261 IO_STATUS_BLOCK file_IoStatusBlock;
262 LARGE_INTEGER file_offset;
264 if (CAPTIVE_IS_SANDBOX_PARENT())
265 return captive_sandbox_parent_file_write(captive_file_object,buffer,num_bytes,bytes_written_return);
267 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
268 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
269 g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
270 g_return_val_if_fail(bytes_written_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
271 g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
273 file_offset.QuadPart=captive_file_object->offset;
275 captive_file_object->file_Handle, /* FileHandle */
276 NULL, /* Event; completion signalling; optional */
277 NULL, /* ApcRoutine; optional */
278 NULL, /* ApcContext; optional */
279 &file_IoStatusBlock, /* IoStatusBlock */
280 (gpointer /* de-const */ )buffer, /* Buffer */
281 num_bytes, /* Length */
282 &file_offset, /* ByteOffset */
283 NULL); /* Key; NULL means no file locking key */
284 g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
285 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
286 g_return_val_if_fail(file_IoStatusBlock.Information==num_bytes,GNOME_VFS_ERROR_GENERIC);
288 captive_file_object->offset+=file_IoStatusBlock.Information;
289 *bytes_written_return=file_IoStatusBlock.Information;
294 GnomeVFSResult captive_file_seek
295 (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset)
297 if (CAPTIVE_IS_SANDBOX_PARENT())
298 return captive_sandbox_parent_file_seek(captive_file_object,whence,offset);
300 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
301 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
304 case GNOME_VFS_SEEK_START:
305 captive_file_object->offset=offset;
307 case GNOME_VFS_SEEK_CURRENT:
309 || (offset>0 && (captive_file_object->offset+offset)<captive_file_object->offset)
310 || (offset<0 && (captive_file_object->offset+offset)>captive_file_object->offset))
311 return GNOME_VFS_ERROR_BAD_PARAMETERS;
312 captive_file_object->offset+=offset;
314 case GNOME_VFS_SEEK_END:
315 g_assert_not_reached(); /* NOT IMPLEMENTED YET */
318 g_return_val_if_reached(GNOME_VFS_ERROR_BAD_PARAMETERS);
325 GnomeVFSResult captive_file_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return)
327 if (CAPTIVE_IS_SANDBOX_PARENT())
328 return captive_sandbox_parent_file_tell(captive_file_object,offset_return);
330 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
331 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
332 g_return_val_if_fail(offset_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
334 *offset_return=captive_file_object->offset;
339 GnomeVFSResult captive_file_remove(CaptiveFileObject *captive_file_object)
342 FILE_DISPOSITION_INFORMATION FileDispositionInformation_struct;
343 IO_STATUS_BLOCK file_IoStatusBlock;
344 GnomeVFSResult errvfsresult;
346 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
347 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
349 FileDispositionInformation_struct.DoDeleteFile=TRUE;
351 err=NtSetInformationFile(
352 captive_file_object->file_Handle, /* FileHandle */
353 &file_IoStatusBlock, /* IoStatusBlock */
354 &FileDispositionInformation_struct, /* FileInformation */
355 sizeof(FileDispositionInformation_struct), /* Length */
356 FileDispositionInformation); /* FileInformationClass */
357 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
359 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
365 /* Use 'FileAllInformationStruct' identifier instead of the logical 'FileAllInformation'
366 * to prevent override of enum member 'FileAllInformation'
368 static GnomeVFSResult FileAllInformationStruct_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
369 FILE_ALL_INFORMATION *FileAllInformationStruct,IO_STATUS_BLOCK *IoStatusBlock)
371 UNICODE_STRING FileName_UnicodeString;
375 g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_GENERIC);
376 g_return_val_if_fail(FileAllInformationStruct!=NULL,GNOME_VFS_ERROR_GENERIC);
378 g_return_val_if_fail(NT_SUCCESS(IoStatusBlock->Status),GNOME_VFS_ERROR_GENERIC);
380 file_info->valid_fields=0;
382 FileName_UnicodeString.Length=FileAllInformationStruct->NameInformation.FileNameLength;
383 FileName_UnicodeString.MaximumLength=FileAllInformationStruct->NameInformation.FileNameLength
384 +sizeof(*FileAllInformationStruct->NameInformation.FileName); /* 0-terminator */
385 g_assert((gpointer)(((char *)FileAllInformationStruct->NameInformation.FileName)+FileName_UnicodeString.Length)
386 <=(gpointer)(((char *)FileAllInformationStruct)+IoStatusBlock->Information));
387 /* ensure we fit below '->IoStatusBlock->Information' at least without the 0-terminator */
388 FileAllInformationStruct->NameInformation.FileName[FileAllInformationStruct->NameInformation.FileNameLength
389 /sizeof(*FileAllInformationStruct->NameInformation.FileName)]=0; /* 0-terminate it */
390 FileName_UnicodeString.Buffer=FileAllInformationStruct->NameInformation.FileName;
391 file_info->name=captive_UnicodeString_to_utf8_malloc(&FileName_UnicodeString);
392 /* '->name' assumed for 'file_info->valid_fields' */
394 /* FIXME: What is 'FILE_ATTRIBUTE_NORMAL'? */
395 switch (FileAllInformationStruct->BasicInformation.FileAttributes & (0
396 | FILE_ATTRIBUTE_DIRECTORY
397 | FILE_ATTRIBUTE_DEVICE)) {
398 case 0: file_info->type=GNOME_VFS_FILE_TYPE_REGULAR; break;
399 case FILE_ATTRIBUTE_DIRECTORY: file_info->type=GNOME_VFS_FILE_TYPE_DIRECTORY; break;
400 case FILE_ATTRIBUTE_DEVICE: file_info->type=GNOME_VFS_FILE_TYPE_SOCKET;
401 /* or GNOME_VFS_FILE_TYPE_CHARACTER_DEVICE or GNOME_VFS_FILE_TYPE_BLOCK_DEVICE ? */
403 default: file_info->type=GNOME_VFS_FILE_TYPE_UNKNOWN; break;
405 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_TYPE;
407 /* we use 0600 for r/w files, 0400 for FILE_ATTRIBUTE_READONLY */
408 file_info->permissions=GNOME_VFS_PERM_USER_READ;
409 if (file_info->type==GNOME_VFS_FILE_TYPE_DIRECTORY)
410 file_info->permissions|=GNOME_VFS_PERM_USER_EXEC;
411 if (!(FileAllInformationStruct->BasicInformation.FileAttributes & FILE_ATTRIBUTE_READONLY))
412 file_info->permissions|=GNOME_VFS_PERM_USER_WRITE;
413 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS;
415 file_info->size=FileAllInformationStruct->StandardInformation.EndOfFile.QuadPart;
416 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_SIZE;
418 file_info->block_count=FileAllInformationStruct->StandardInformation.AllocationSize.QuadPart/512;
419 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_BLOCK_COUNT;
421 file_info->flags=GNOME_VFS_FILE_FLAGS_LOCAL;
422 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_FLAGS;
424 if (FileAllInformationStruct->BasicInformation.LastAccessTime.QuadPart) { /* it may be 0 if not set */
425 errBOOLEAN=RtlTimeToSecondsSince1970(&FileAllInformationStruct->BasicInformation.LastAccessTime,&tmp_ULONG);
426 g_assert(errBOOLEAN==TRUE);
427 file_info->atime=tmp_ULONG;
428 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_ATIME;
431 /* it may be 0 if not set */
432 if (FileAllInformationStruct->BasicInformation.LastWriteTime.QuadPart || FileAllInformationStruct->BasicInformation.ChangeTime.QuadPart) {
433 errBOOLEAN=RtlTimeToSecondsSince1970(
434 /* take the more recent (==bigger) time: */
435 (FileAllInformationStruct->BasicInformation.LastWriteTime.QuadPart > FileAllInformationStruct->BasicInformation.ChangeTime.QuadPart
436 ? &FileAllInformationStruct->BasicInformation.LastWriteTime : &FileAllInformationStruct->BasicInformation.ChangeTime),
438 g_assert(errBOOLEAN==TRUE);
439 file_info->mtime=tmp_ULONG;
440 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_MTIME;
443 if (FileAllInformationStruct->BasicInformation.CreationTime.QuadPart) { /* it may be 0 if not set */
444 errBOOLEAN=RtlTimeToSecondsSince1970(&FileAllInformationStruct->BasicInformation.CreationTime,&tmp_ULONG);
445 g_assert(errBOOLEAN==TRUE);
446 file_info->ctime=tmp_ULONG;
447 file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_CTIME;
454 GnomeVFSResult captive_file_file_info_get(CaptiveFileObject *captive_file_object,
455 GnomeVFSFileInfo *file_info)
458 IO_STATUS_BLOCK file_IoStatusBlock;
459 FILE_ALL_INFORMATION *FileAllInformationStruct;
460 GnomeVFSResult errvfsresult;
461 char QueryFile_buf[sizeof(FILE_ALL_INFORMATION)
462 +0x1000 /* max 'FileName' length, 255 should be enough */ * sizeof(WCHAR /* *FILE_ALL_INFORMATION.NameInformation.FileName */ )];
464 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
465 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
466 g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
469 FileAllInformationStruct=(void *)QueryFile_buf;
470 err=NtQueryInformationFile(
471 captive_file_object->file_Handle, /* FileHandle */
472 &file_IoStatusBlock, /* IoStatusBlock */
473 (gpointer)QueryFile_buf, /* FileInformation */
474 sizeof(QueryFile_buf) /* Length */
475 -sizeof(*FileAllInformationStruct->NameInformation.FileName), /* reserve space for 0-terminator */
476 FileAllInformation); /* FileInformationClass; =>FILE_ALL_INFORMATION */
477 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
479 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
481 /* process gathered info */
482 errvfsresult=FileAllInformationStruct_to_GnomeVFSFileInfo(file_info,FileAllInformationStruct,
483 &file_IoStatusBlock);
484 g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
490 GnomeVFSResult captive_file_file_info_set(CaptiveFileObject *captive_file_object,
491 const GnomeVFSFileInfo *info,GnomeVFSSetFileInfoMask mask)
493 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
494 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
495 g_return_val_if_fail(info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
497 if (mask & GNOME_VFS_SET_FILE_INFO_NAME) {
498 gchar *name_dirname,*name_basename;
499 UNICODE_STRING *name_UnicodeString;
500 FILE_RENAME_INFORMATION *FileRenameInformation_structp;
501 gsize FileRenameInformation_struct_len;
502 IO_STATUS_BLOCK file_IoStatusBlock;
504 GnomeVFSResult errvfsresult;
506 /* non-existing dirname assertion */
507 name_dirname=g_path_get_dirname(info->name);
509 g_assert_not_reached();
510 errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
514 /* fully-matching basename assertion */
515 name_basename=g_path_get_basename(info->name);
516 if (strcmp(name_basename,info->name)) {
517 g_assert_not_reached();
518 errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
519 goto err_free_name_dirname;
522 name_UnicodeString=captive_utf8_to_UnicodeString_alloca(info->name);
523 FileRenameInformation_struct_len=sizeof(*FileRenameInformation_structp)
524 +name_UnicodeString->MaximumLength; /* ==Length+(0-terminator); is the terminator needed? */
526 FileRenameInformation_structp=g_alloca(FileRenameInformation_struct_len);
527 FileRenameInformation_structp->Replace=FALSE;
528 FileRenameInformation_structp->RootDir=NULL; /* we do 'simple rename' here */
529 FileRenameInformation_structp->FileNameLength=name_UnicodeString->Length;
530 memcpy(FileRenameInformation_structp->FileName,name_UnicodeString->Buffer,
531 name_UnicodeString->MaximumLength); /* ==Length+(0-terminator); is the terminator needed? */
533 err=NtSetInformationFile(
534 captive_file_object->file_Handle, /* FileHandle */
535 &file_IoStatusBlock, /* IoStatusBlock */
536 FileRenameInformation_structp, /* FileInformation */
537 FileRenameInformation_struct_len, /* Length */
538 FileRenameInformation); /* FileInformationClass */
539 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
540 goto err_free_name_basename;
542 err_free_name_basename:
543 g_free(name_basename);
544 err_free_name_dirname:
545 g_free(name_dirname);
548 if (errvfsresult!=GNOME_VFS_OK)
550 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
553 if (mask & (GNOME_VFS_SET_FILE_INFO_PERMISSIONS | GNOME_VFS_SET_FILE_INFO_TIME)) {
554 char FileBasicInformation_buf[sizeof(FILE_BASIC_INFORMATION)+4];
555 FILE_BASIC_INFORMATION *FileBasicInformationp=(FILE_BASIC_INFORMATION *)FileBasicInformation_buf;
556 IO_STATUS_BLOCK file_IoStatusBlock;
559 /* FIXME: Everywhere is is the declaration with 4xLARGE_INTEGER+1xULONG==36 bytes
560 * but the precompiled ext2fsd.sys wants 40 bytes - why?
562 g_assert(sizeof(FILE_BASIC_INFORMATION)==36);
563 g_assert(sizeof(FileBasicInformation_buf)==40);
564 err=NtQueryInformationFile(
565 captive_file_object->file_Handle, /* FileHandle */
566 &file_IoStatusBlock, /* IoStatusBlock */
567 FileBasicInformation_buf, /* FileInformation */
568 sizeof(FileBasicInformation_buf), /* Length */
569 FileBasicInformation); /* FileInformationClass */
570 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
572 if (mask & GNOME_VFS_SET_FILE_INFO_PERMISSIONS) {
573 FileBasicInformationp->FileAttributes&=~FILE_ATTRIBUTE_READONLY;
574 g_assert(info->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS);
575 if (!(info->permissions&0200))
576 FileBasicInformationp->FileAttributes|=FILE_ATTRIBUTE_READONLY;
579 if (mask & GNOME_VFS_SET_FILE_INFO_TIME) {
580 g_assert(info->valid_fields & (0
581 | GNOME_VFS_FILE_INFO_FIELDS_ATIME
582 | GNOME_VFS_FILE_INFO_FIELDS_MTIME
583 | GNOME_VFS_FILE_INFO_FIELDS_CTIME));
584 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_ATIME) {
585 RtlSecondsSince1970ToTime(
586 info->atime, /* SecondsSince1970 */
587 &FileBasicInformationp->LastAccessTime); /* Time */
589 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_MTIME) {
590 RtlSecondsSince1970ToTime(
591 info->mtime, /* SecondsSince1970 */
592 &FileBasicInformationp->LastWriteTime); /* Time */
593 FileBasicInformationp->ChangeTime=FileBasicInformationp->LastWriteTime;
595 if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_CTIME) {
596 RtlSecondsSince1970ToTime(
597 info->ctime, /* SecondsSince1970 */
598 &FileBasicInformationp->CreationTime); /* Time */
602 err=NtSetInformationFile(
603 captive_file_object->file_Handle, /* FileHandle */
604 &file_IoStatusBlock, /* IoStatusBlock */
605 FileBasicInformation_buf, /* FileInformation */
606 sizeof(FileBasicInformation_buf), /* Length */
607 FileBasicInformation); /* FileInformationClass */
608 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
611 if (mask & GNOME_VFS_SET_FILE_INFO_OWNER) {
612 /* FIXME: g_assert(info->valid_fields & ???); */
613 /* owner ignored for W32 */
620 GnomeVFSResult captive_file_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size)
623 FILE_END_OF_FILE_INFORMATION FileEndOfFileInformation_struct;
624 IO_STATUS_BLOCK file_IoStatusBlock;
625 GnomeVFSResult errvfsresult;
627 g_return_val_if_fail(captive_file_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
628 g_return_val_if_fail(captive_file_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
630 FileEndOfFileInformation_struct.EndOfFile.QuadPart=file_size;
632 err=NtSetInformationFile(
633 captive_file_object->file_Handle, /* FileHandle */
634 &file_IoStatusBlock, /* IoStatusBlock */
635 &FileEndOfFileInformation_struct, /* FileInformation */
636 sizeof(FileEndOfFileInformation_struct), /* Length */
637 FileEndOfFileInformation); /* FileInformationClass */
638 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
640 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
646 GnomeVFSResult captive_file_move(CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace)
649 FILE_RENAME_INFORMATION FileRenameInformation_struct;
650 IO_STATUS_BLOCK file_IoStatusBlock;
651 GnomeVFSResult errvfsresult;
652 gchar *pathname_new_dirname,*pathname_new_basename;
653 CaptiveDirectoryObject *captive_target_directory_object;
654 FILE_OBJECT *target_dir_FileObject;
655 UNICODE_STRING *target_dir_FileObject_FileName_UnicodeString_local;
658 g_return_val_if_fail(captive_file_object_old!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
659 g_return_val_if_fail(captive_file_object_old->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
660 g_return_val_if_fail(pathname_new!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
662 pathname_new_dirname=g_path_get_dirname(pathname_new);
663 pathname_new_basename=g_path_get_basename(pathname_new);
665 errvfsresult=captive_directory_new_open(&captive_target_directory_object,pathname_new_dirname);
666 if (errvfsresult!=GNOME_VFS_OK)
667 goto err_free_pathnames;
669 err=ObReferenceObjectByHandle(
670 captive_target_directory_object->dir_Handle, /* Handle */
671 (FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY), /* DesiredAccess */
672 IoFileObjectType, /* ObjectType */
673 KernelMode, /* AccessMode */
674 (PVOID *)&target_dir_FileObject, /* Object */
675 NULL); /* HandleInfo */
676 if (!NT_SUCCESS(err)) {
677 g_assert_not_reached();
678 errvfsresult=GNOME_VFS_ERROR_GENERIC;
679 goto err_close_captive_target_directory_object;
682 /* Supply only the 'basename' to 'target_dir_FileObject->FileName'
683 * as the directory is fully determined by its other attributes.
685 target_dir_FileObject_FileName_UnicodeString_local=captive_utf8_to_UnicodeString_alloca(pathname_new_basename);
686 errboolean=RtlCreateUnicodeString(&target_dir_FileObject->FileName,
687 target_dir_FileObject_FileName_UnicodeString_local->Buffer);
688 g_assert(errboolean==TRUE);
690 ObDereferenceObject(target_dir_FileObject);
692 FileRenameInformation_struct.Replace=force_replace;
693 FileRenameInformation_struct.RootDir=captive_target_directory_object->dir_Handle; /* ->'target_dir_FileObject' */
694 FileRenameInformation_struct.FileNameLength=0; /* provided by 'FileRenameInformation_struct.RootDir' */
696 err=NtSetInformationFile(
697 captive_file_object_old->file_Handle, /* FileHandle */
698 &file_IoStatusBlock, /* IoStatusBlock */
699 &FileRenameInformation_struct, /* FileInformation */
700 sizeof(FileRenameInformation_struct), /* Length */
701 FileRenameInformation); /* FileInformationClass */
702 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
703 goto err_close_captive_target_directory_object;
704 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
707 err_close_captive_target_directory_object:
708 g_object_unref(captive_target_directory_object);
710 g_free(pathname_new_dirname);
711 g_free(pathname_new_basename);