src/libcaptive/client/file-slave.c

   1 /* $Id$
   2  * captive vfs 'file' interface to reactos
   3  * Copyright (C) 2002-2003 Jan Kratochvil <project-captive@jankratochvil.net>
   4  *
   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
   8  *
   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.
  13  *
  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
  17  */
  18
  19
  20 #include "config.h"
  21
  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"
  26 #include "lib.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() */
  32 #include "result.h"
  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"
  38 #include "vfs.h"
  39 #include "vfs-slave.h"
  40 #include "../cc/sharedcachemap.h"
  41 #include "captive/rtl-time.h"
  42
  43
  44 /* Config: */
  45 #define MAX_FILE_READ   0x8000000       /* FIXME: Workaround memory consumption for non-journalled fastfat.sys */
  46 #define MAX_FILE_WRITTEN 0x100000       /* FIXME: Workaround memory consumption for non-journalled fastfat.sys */
  47
  48
  49 struct _CaptiveFileSlaveObject {
  50         CaptiveFileObject parent_instance;
  51
  52         /*< private >*/
  53         HANDLE file_Handle;
  54         GnomeVFSFileOffset offset;
  55         };
  56 struct _CaptiveFileSlaveObjectClass {
  57         CaptiveFileObjectClass parent_class;
  58         };
  59
  60
  61 static gpointer captive_file_slave_object_parent_class=NULL;
  62
  63
  64 static GnomeVFSResult captive_file_slave_close(CaptiveFileObject *captive_file_object);
  65 static GnomeVFSResult captive_file_slave_read(CaptiveFileObject *captive_file_object,
  66                 gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return);
  67 static GnomeVFSResult captive_file_slave_write(CaptiveFileObject *captive_file_object,
  68                 gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return);
  69 static GnomeVFSResult captive_file_slave_seek
  70                 (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset);
  71 static GnomeVFSResult captive_file_slave_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return);
  72 static GnomeVFSResult captive_file_slave_remove(CaptiveFileObject *captive_file_object);
  73 static GnomeVFSResult captive_file_slave_file_info_get
  74                 (CaptiveFileObject *captive_file_object,CaptiveFileInfoObject **captive_file_info_object_return);
  75 static GnomeVFSResult captive_file_slave_file_info_set
  76                 (CaptiveFileObject *captive_file_object,CaptiveFileInfoObject *captive_file_info_object,GnomeVFSSetFileInfoMask mask);
  77 static GnomeVFSResult captive_file_slave_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size);
  78 static GnomeVFSResult captive_file_slave_move
  79                 (CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace);
  80
  81
  82 static void captive_file_slave_object_finalize(CaptiveFileSlaveObject *captive_file_slave_object)
  83 {
  84         g_return_if_fail(captive_file_slave_object!=NULL);
  85
  86         captive_file_slave_close(CAPTIVE_FILE_OBJECT(captive_file_slave_object));       /* errors ignored */
  87
  88         G_OBJECT_CLASS(captive_file_slave_object_parent_class)->finalize((GObject *)captive_file_slave_object);
  89 }
  90
  91
  92 static void captive_file_slave_object_class_init(CaptiveFileSlaveObjectClass *class)
  93 {
  94 GObjectClass *gobject_class=G_OBJECT_CLASS(class);
  95 CaptiveFileObjectClass *captive_file_object_class=CAPTIVE_FILE_OBJECT_CLASS(class);
  96
  97         captive_file_slave_object_parent_class=g_type_class_ref(g_type_parent(G_TYPE_FROM_CLASS(class)));
  98         gobject_class->finalize=(void (*)(GObject *object))captive_file_slave_object_finalize;
  99
 100         captive_file_object_class->read=captive_file_slave_read;
 101         captive_file_object_class->write=captive_file_slave_write;
 102         captive_file_object_class->seek=captive_file_slave_seek;
 103         captive_file_object_class->tell=captive_file_slave_tell;
 104         captive_file_object_class->remove=captive_file_slave_remove;
 105         captive_file_object_class->file_info_get=captive_file_slave_file_info_get;
 106         captive_file_object_class->file_info_set=captive_file_slave_file_info_set;
 107         captive_file_object_class->truncate=captive_file_slave_truncate;
 108         captive_file_object_class->move=captive_file_slave_move;
 109 }
 110
 111
 112 static void captive_file_slave_object_init(CaptiveFileSlaveObject *captive_file_slave_object)
 113 {
 114         captive_file_slave_object->file_Handle=NULL;
 115 }
 116
 117
 118 GType captive_file_slave_object_get_type(void)
 119 {
 120 static GType captive_file_slave_object_type=0;
 121
 122         if (!captive_file_slave_object_type) {
 123 static const GTypeInfo captive_file_slave_object_info={
 124                                 sizeof(CaptiveFileSlaveObjectClass),
 125                                 NULL,   /* base_init */
 126                                 NULL,   /* base_finalize */
 127                                 (GClassInitFunc)captive_file_slave_object_class_init,
 128                                 NULL,   /* class_finalize */
 129                                 NULL,   /* class_data */
 130                                 sizeof(CaptiveFileSlaveObject),
 131                                 5,      /* n_preallocs */
 132                                 (GInstanceInitFunc)captive_file_slave_object_init,
 133                                 };
 134
 135                 captive_file_slave_object_type=g_type_register_static(CAPTIVE_FILE_TYPE_OBJECT,
 136                                 "CaptiveFileSlaveObject",&captive_file_slave_object_info,0);
 137                 }
 138
 139         return captive_file_slave_object_type;
 140 }
 141
 142
 143 static GnomeVFSResult captive_file_slave_new_internal(CaptiveFileSlaveObject *captive_file_slave_object,
 144                 const gchar *pathname,GnomeVFSOpenMode mode,gboolean create,gboolean create_exclusive,guint create_perm)
 145 {
 146 IO_STATUS_BLOCK file_IoStatusBlock;
 147 GnomeVFSResult errvfsresult;
 148 OBJECT_ATTRIBUTES file_ObjectAttributes;
 149 HANDLE file_Handle;
 150 NTSTATUS err;
 151
 152         g_return_val_if_fail(captive_file_slave_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 153         g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 154
 155         if (captive_shared_cache_map_restart_needed())
 156                 return GNOME_VFS_ERROR_SERVICE_OBSOLETE;
 157
 158         errvfsresult=captive_ObjectAttributes_init(pathname,&file_ObjectAttributes);
 159         g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
 160
 161         /* open */
 162         err=IoCreateFile(
 163                         &file_Handle,   /* FileHandle */
 164                         0
 165                                         /* sniffed: | SYNCHRONIZE       */
 166                                         |(!(mode&GNOME_VFS_OPEN_READ ) ? 0 : FILE_READ_DATA)
 167                                         |(!(mode&GNOME_VFS_OPEN_WRITE) ? 0 : FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES)
 168                                         |(  mode!=0                    ? 0 : FILE_READ_ATTRIBUTES)
 169                                         ,       /* DesiredAccess */
 170                         &file_ObjectAttributes, /* ObjectAttributes */
 171                         &file_IoStatusBlock,    /* IoStatusBlock */
 172                         NULL,   /* AllocationSize; ignored for open */
 173                         (!create || create_perm&0200 ? FILE_ATTRIBUTE_NORMAL: FILE_ATTRIBUTE_READONLY), /* FileAttributes; ignored for open */
 174                         (!create || !create_exclusive   /* ShareAccess; 0 means exclusive */
 175                                         ? (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE)
 176                                         : 0),
 177                         (!create ? FILE_OPEN : FILE_CREATE),    /* CreateDisposition */
 178                         /* FILE_SYNCHRONOUS_IO_{,NON}ALERT: We need to allow W32 filesystem
 179                                  * any waits to not to let it return STATUS_CANT_WAIT us.
 180                                  * Alertability should have only effect on asynchronous events
 181                                  * from KeWaitForSingleObject() by setting/clearing its parameter 'Alertable'.
 182                                  */
 183                         FILE_SYNCHRONOUS_IO_ALERT       /* CreateOptions */
 184                                         /* sniffed: | FILE_DIRECTORY_FILE */
 185                                         /* sniffed: | FILE_OPEN_FOR_BACKUP_INTENT */
 186                                         ,
 187                         NULL,   /* EaBuffer */
 188                         0,      /* EaLength */
 189                         CreateFileTypeNone,     /* CreateFileType */
 190                         NULL,   /* ExtraCreateParameters */
 191                         0);     /* Options */
 192         g_free(file_ObjectAttributes.ObjectName);       /* left from captive_file_slave_uri_parent_init() */
 193         g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
 194         if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
 195                 return errvfsresult;
 196         g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 197         g_return_val_if_fail(file_IoStatusBlock.Information
 198                                         ==(!create ? FILE_OPENED : FILE_CREATED),
 199                         GNOME_VFS_ERROR_GENERIC);
 200
 201         captive_file_slave_object->file_Handle=file_Handle;
 202
 203         return GNOME_VFS_OK;
 204 }
 205
 206
 207 GnomeVFSResult captive_file_slave_new_open(CaptiveFileObject **captive_file_object_return,
 208                 CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode)
 209 {
 210 GnomeVFSResult r;
 211 CaptiveFileSlaveObject *captive_file_slave_object;
 212
 213         g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 214         g_return_val_if_fail(CAPTIVE_VFS_SLAVE_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 215         g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 216
 217         captive_file_slave_object=g_object_new(
 218                         CAPTIVE_FILE_SLAVE_TYPE_OBJECT, /* object_type */
 219                         NULL);  /* first_property_name; FIXME: support properties */
 220
 221         captive_file_init(CAPTIVE_FILE_OBJECT(captive_file_slave_object),captive_vfs_object);
 222
 223         *captive_file_object_return=CAPTIVE_FILE_OBJECT(captive_file_slave_object);
 224
 225         r=captive_file_slave_new_internal(captive_file_slave_object,pathname,mode,
 226                         FALSE,  /* create */
 227                         FALSE,  /* create_exclusive; ignored */
 228                         0);     /* create_perm; ignored */
 229
 230         captive_leave();
 231         if (r==GNOME_VFS_OK)
 232                 captive_usecount(+1);
 233         else {
 234                 g_object_unref(captive_file_slave_object);
 235                 *captive_file_object_return=NULL;
 236                 }
 237         return r;
 238 }
 239
 240
 241 GnomeVFSResult captive_file_slave_new_create(CaptiveFileObject **captive_file_object_return,
 242                 CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode,gboolean exclusive,guint perm)
 243 {
 244 GnomeVFSResult r;
 245 CaptiveFileSlaveObject *captive_file_slave_object;
 246
 247         g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 248         g_return_val_if_fail(CAPTIVE_VFS_SLAVE_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 249         g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 250
 251         captive_file_slave_object=g_object_new(
 252                         CAPTIVE_FILE_SLAVE_TYPE_OBJECT, /* object_type */
 253                         NULL);  /* first_property_name; FIXME: support properties */
 254
 255         captive_file_init(CAPTIVE_FILE_OBJECT(captive_file_slave_object),captive_vfs_object);
 256
 257         *captive_file_object_return=CAPTIVE_FILE_OBJECT(captive_file_slave_object);
 258
 259         r=captive_file_slave_new_internal(captive_file_slave_object,pathname,mode,
 260                         TRUE,   /* create */
 261                         exclusive,      /* create_exclusive */
 262                         perm);  /* create_perm */
 263
 264         captive_leave();
 265         if (r==GNOME_VFS_OK)
 266                 captive_usecount(+1);
 267         else {
 268                 g_object_unref(captive_file_slave_object);
 269                 *captive_file_object_return=NULL;
 270                 }
 271         return r;
 272 }
 273
 274
 275 static GnomeVFSResult captive_file_slave_close(CaptiveFileObject *captive_file_object)
 276 {
 277 CaptiveFileSlaveObject *captive_file_slave_object;
 278 NTSTATUS err;
 279 HANDLE file_Handle;
 280
 281         g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 282
 283         captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
 284
 285         if (captive_file_slave_object->file_Handle!=NULL) {     /* not yet already closed */
 286                 captive_usecount(-1);   /* close() errors notwithstanding */
 287
 288                 file_Handle=captive_file_slave_object->file_Handle;
 289                 captive_file_slave_object->file_Handle=NULL;
 290                 err=NtClose(file_Handle);
 291                 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 292                 }
 293
 294         captive_leave();
 295         return GNOME_VFS_OK;
 296 }
 297
 298
 299 GnomeVFSResult captive_file_slave_read(CaptiveFileObject *captive_file_object,
 300                 gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return)
 301 {
 302 CaptiveFileSlaveObject *captive_file_slave_object;
 303 NTSTATUS err;
 304 IO_STATUS_BLOCK file_IoStatusBlock;
 305 LARGE_INTEGER file_offset;
 306 GnomeVFSResult errvfsresult;
 307 static GnomeVFSFileSize total_read=0;
 308
 309         g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),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_read_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 312         g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
 313
 314         captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
 315
 316         g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 317
 318         /* FIXME: Workaround memory consumption for non-journalled fastfat.sys */
 319         if (total_read>=MAX_FILE_READ && captive_options->sandbox)
 320                 return GNOME_VFS_ERROR_SERVICE_OBSOLETE;
 321         total_read+=num_bytes;
 322
 323         file_offset.QuadPart=captive_file_slave_object->offset;
 324         err=NtReadFile(
 325                         captive_file_slave_object->file_Handle, /* FileHandle */
 326                         NULL,   /* EventHandle; completion signalling; optional */
 327                         NULL,   /* ApcRoutine; optional */
 328                         NULL,   /* ApcContext; optional */
 329                         &file_IoStatusBlock,    /* IoStatusBlock */
 330                         buffer, /* Buffer */
 331                         num_bytes,      /* Length */
 332                         &file_offset,   /* ByteOffset */
 333                         NULL);  /* Key; NULL means no file locking key */
 334         if (err==STATUS_END_OF_FILE) {
 335                 g_return_val_if_fail(file_IoStatusBlock.Status==STATUS_END_OF_FILE,GNOME_VFS_ERROR_GENERIC);
 336                 g_return_val_if_fail(file_IoStatusBlock.Information==0,GNOME_VFS_ERROR_GENERIC);
 337                 *bytes_read_return=0;
 338                 return GNOME_VFS_ERROR_EOF;
 339                 }
 340         g_return_val_if_fail(file_IoStatusBlock.Information>0,GNOME_VFS_ERROR_GENERIC); /* if not STATUS_END_OF_FILE... */
 341         if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
 342                 return errvfsresult;
 343         g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
 344         g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 345         g_return_val_if_fail(file_IoStatusBlock.Information<=num_bytes,GNOME_VFS_ERROR_GENERIC);
 346
 347         captive_file_slave_object->offset+=file_IoStatusBlock.Information;
 348         *bytes_read_return=file_IoStatusBlock.Information;
 349         captive_leave();
 350         return GNOME_VFS_OK;
 351 }
 352
 353
 354 GnomeVFSResult captive_file_slave_write(CaptiveFileObject *captive_file_object,
 355                 gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return)
 356 {
 357 CaptiveFileSlaveObject *captive_file_slave_object;
 358 NTSTATUS err;
 359 IO_STATUS_BLOCK file_IoStatusBlock;
 360 LARGE_INTEGER file_offset;
 361 CaptiveFileInfoObject *captive_file_info_object;
 362 GnomeVFSFileSize endoffile_wanted;
 363 GnomeVFSResult errvfsresult;
 364 static GnomeVFSFileSize total_written=0;
 365 gboolean extension_needed;
 366
 367         g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 368         g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 369         g_return_val_if_fail(bytes_written_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 370         g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
 371
 372         captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
 373
 374         g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 375
 376         /* FIXME: Workaround memory consumption for non-journalled fastfat.sys */
 377         if (total_written>=MAX_FILE_WRITTEN && captive_options->sandbox)
 378                 return GNOME_VFS_ERROR_SERVICE_OBSOLETE;
 379         total_written+=num_bytes;
 380
 381         if ((GnomeVFSFileOffset)(captive_file_slave_object->offset+num_bytes) < captive_file_slave_object->offset)
 382                 return GNOME_VFS_ERROR_TOO_BIG;
 383         endoffile_wanted=captive_file_slave_object->offset+num_bytes;
 384         if (GNOME_VFS_OK!=(errvfsresult=captive_file_slave_file_info_get(
 385                         CAPTIVE_FILE_OBJECT(captive_file_slave_object),&captive_file_info_object)))
 386                 return errvfsresult;
 387         g_assert(captive_file_info_object->p.valid_fields&GNOME_VFS_FILE_INFO_FIELDS_SIZE);
 388         extension_needed=(captive_file_info_object->p.size<endoffile_wanted);
 389         g_object_unref(captive_file_info_object);
 390         if (extension_needed) {
 391                 if (GNOME_VFS_OK!=(errvfsresult=captive_file_slave_truncate(
 392                                 CAPTIVE_FILE_OBJECT(captive_file_slave_object),endoffile_wanted)))
 393                         return errvfsresult;
 394                 }
 395
 396         file_offset.QuadPart=captive_file_slave_object->offset;
 397         err=NtWriteFile(
 398                         captive_file_slave_object->file_Handle, /* FileHandle */
 399                         NULL,   /* Event; completion signalling; optional */
 400                         NULL,   /* ApcRoutine; optional */
 401                         NULL,   /* ApcContext; optional */
 402                         &file_IoStatusBlock,    /* IoStatusBlock */
 403                         (gpointer /* de-const */ )buffer,       /* Buffer */
 404                         num_bytes,      /* Length */
 405                         &file_offset,   /* ByteOffset */
 406                         NULL);  /* Key; NULL means no file locking key */
 407         g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
 408         g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 409         if (!file_IoStatusBlock.Information) {
 410                 /* FIXME: Check ExRaiseStatus(STATUS_LOG_FILE_FULL);
 411                  * really occured. We expect so and we will remount the volume.
 412                  */
 413                 *bytes_written_return=0;
 414                 return GNOME_VFS_ERROR_SERVICE_OBSOLETE;
 415                 }
 416         g_return_val_if_fail(file_IoStatusBlock.Information==num_bytes,GNOME_VFS_ERROR_GENERIC);
 417
 418         captive_file_slave_object->offset+=file_IoStatusBlock.Information;
 419         *bytes_written_return=file_IoStatusBlock.Information;
 420         captive_leave();
 421         return GNOME_VFS_OK;
 422 }
 423
 424
 425 GnomeVFSResult captive_file_slave_seek
 426                 (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset)
 427 {
 428 CaptiveFileSlaveObject *captive_file_slave_object;
 429
 430         g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 431
 432         captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
 433
 434         g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 435
 436         switch (whence) {
 437                 case GNOME_VFS_SEEK_START:
 438                         captive_file_slave_object->offset=offset;
 439                         break;
 440                 case GNOME_VFS_SEEK_CURRENT:
 441                         if (0
 442                                         || (offset>0 && (captive_file_slave_object->offset+offset)<captive_file_slave_object->offset)
 443                                         || (offset<0 && (captive_file_slave_object->offset+offset)>captive_file_slave_object->offset))
 444                                 return GNOME_VFS_ERROR_BAD_PARAMETERS;
 445                         captive_file_slave_object->offset+=offset;
 446                         break;
 447                 case GNOME_VFS_SEEK_END:
 448                         g_assert_not_reached(); /* NOT IMPLEMENTED YET */
 449                         break;
 450                 default:
 451                         g_return_val_if_reached(GNOME_VFS_ERROR_BAD_PARAMETERS);
 452                 }
 453
 454         captive_leave();
 455         return GNOME_VFS_OK;
 456 }
 457
 458
 459 GnomeVFSResult captive_file_slave_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return)
 460 {
 461 CaptiveFileSlaveObject *captive_file_slave_object;
 462
 463         g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 464         g_return_val_if_fail(offset_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 465
 466         captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
 467
 468         g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 469
 470         *offset_return=captive_file_slave_object->offset;
 471         captive_leave();
 472         return GNOME_VFS_OK;
 473 }
 474
 475
 476 GnomeVFSResult captive_file_slave_remove(CaptiveFileObject *captive_file_object)
 477 {
 478 CaptiveFileSlaveObject *captive_file_slave_object;
 479 NTSTATUS err;
 480 FILE_DISPOSITION_INFORMATION FileDispositionInformation_struct;
 481 IO_STATUS_BLOCK file_IoStatusBlock;
 482 GnomeVFSResult errvfsresult;
 483
 484         g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 485
 486         captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
 487
 488         g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 489
 490         FileDispositionInformation_struct.DoDeleteFile=TRUE;
 491
 492         err=NtSetInformationFile(
 493                         captive_file_slave_object->file_Handle, /* FileHandle */
 494                         &file_IoStatusBlock,    /* IoStatusBlock */
 495                         &FileDispositionInformation_struct,     /* FileInformation */
 496                         sizeof(FileDispositionInformation_struct),      /* Length */
 497                         FileDispositionInformation);    /* FileInformationClass */
 498         if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
 499                 return errvfsresult;
 500         g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 501
 502         captive_leave();
 503         return GNOME_VFS_OK;
 504 }
 505
 506
 507 /* Use 'FileNameInformationStruct' identifier instead of the logical 'FileNameInformation'
 508  * to prevent override of enum member 'FileNameInformation'
 509  */
 510 static GnomeVFSResult FileNameInformationStruct_to_CaptiveFileInfoObject_in_place
 511                 (CaptiveFileInfoObject *captive_file_info_object,FILE_NAME_INFORMATION *FileNameInformationStruct)
 512 {
 513 UNICODE_STRING FileName_UnicodeString;
 514
 515         g_return_val_if_fail(CAPTIVE_FILE_INFO_IS_OBJECT(captive_file_info_object),GNOME_VFS_ERROR_GENERIC);
 516         g_return_val_if_fail(FileNameInformationStruct!=NULL,GNOME_VFS_ERROR_GENERIC);
 517
 518         FileName_UnicodeString.Length=FileNameInformationStruct->FileNameLength;
 519         FileName_UnicodeString.MaximumLength=FileNameInformationStruct->FileNameLength
 520                         +sizeof(*FileNameInformationStruct->FileName);  /* 0-terminator */
 521
 522 #if 0   /* 'IoStatusBlock->Information' is sometimes weird, do not check it */
 523         g_assert((gpointer)(((char *)FileNameInformationStruct->FileName)+FileName_UnicodeString.Length)
 524                         <=(gpointer)(((char *)FileAllInformationStruct)+IoStatusBlock->Information));
 525                                         /* ensure we fit below '->IoStatusBlock->Information' at least without the 0-terminator */
 526 #endif
 527
 528         FileNameInformationStruct->FileName[FileNameInformationStruct->FileNameLength
 529                         /sizeof(*FileNameInformationStruct->FileName)]=0;       /* 0-terminate it */
 530         FileName_UnicodeString.Buffer=FileNameInformationStruct->FileName;
 531         captive_file_info_object->p.name=captive_UnicodeString_to_utf8_malloc(&FileName_UnicodeString);
 532         /* '->name' assumed for 'captive_file_info_object->p.valid_fields' */
 533
 534         return GNOME_VFS_OK;
 535 }
 536
 537
 538 /* Use 'FileBasicInformationStruct' identifier instead of the logical 'FileBasicInformation'
 539  * to prevent override of enum member 'FileBasicInformation'
 540  */
 541 static GnomeVFSResult FileBasicInformationStruct_to_CaptiveFileInfoObject_in_place
 542                 (CaptiveFileInfoObject *captive_file_info_object,FILE_BASIC_INFORMATION *FileBasicInformationStruct)
 543 {
 544 GnomeVFSResult errvfsresult;
 545
 546         g_return_val_if_fail(CAPTIVE_FILE_INFO_IS_OBJECT(captive_file_info_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 547
 548         /* FIXME: What is 'FILE_ATTRIBUTE_NORMAL'? */
 549         switch (FileBasicInformationStruct->FileAttributes & (0
 550                         | FILE_ATTRIBUTE_DIRECTORY
 551                         | FILE_ATTRIBUTE_DEVICE)) {
 552                 case 0:                        captive_file_info_object->p.type=GNOME_VFS_FILE_TYPE_REGULAR;   break;
 553                 case FILE_ATTRIBUTE_DIRECTORY: captive_file_info_object->p.type=GNOME_VFS_FILE_TYPE_DIRECTORY; break;
 554                 case FILE_ATTRIBUTE_DEVICE:    captive_file_info_object->p.type=GNOME_VFS_FILE_TYPE_SOCKET;
 555                         /* or GNOME_VFS_FILE_TYPE_CHARACTER_DEVICE or GNOME_VFS_FILE_TYPE_BLOCK_DEVICE ? */
 556                         break;
 557                 default:                       captive_file_info_object->p.type=GNOME_VFS_FILE_TYPE_UNKNOWN;   break;
 558                 }
 559         captive_file_info_object->p.valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_TYPE;
 560
 561         /* we use 0600 for r/w files, 0400 for FILE_ATTRIBUTE_READONLY */
 562         captive_file_info_object->p.permissions=GNOME_VFS_PERM_USER_READ;
 563         if (captive_file_info_object->p.type==GNOME_VFS_FILE_TYPE_DIRECTORY)
 564                 captive_file_info_object->p.permissions|=GNOME_VFS_PERM_USER_EXEC;
 565         if (!(FileBasicInformationStruct->FileAttributes & FILE_ATTRIBUTE_READONLY))
 566                 captive_file_info_object->p.permissions|=GNOME_VFS_PERM_USER_WRITE;
 567         captive_file_info_object->p.valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS;
 568
 569         if (FileBasicInformationStruct->LastAccessTime.QuadPart) {      /* it may be 0 if not set */
 570 struct timespec timespec;
 571
 572                 errvfsresult=Time_to_timespec(&timespec,&FileBasicInformationStruct->LastAccessTime);
 573                 g_return_val_if_fail(GNOME_VFS_OK==errvfsresult,errvfsresult);
 574                 captive_file_info_object->p.atime=timespec.tv_sec;
 575                 captive_file_info_object->atime_nsec=timespec.tv_nsec;
 576                 captive_file_info_object->p.valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_ATIME;
 577                 }
 578
 579         /* it may be 0 if not set */
 580         if (FileBasicInformationStruct->LastWriteTime.QuadPart || FileBasicInformationStruct->ChangeTime.QuadPart) {
 581 struct timespec timespec;
 582
 583                 errvfsresult=Time_to_timespec(&timespec,
 584                                 /* take the more recent (==bigger) time: */
 585                                 (FileBasicInformationStruct->LastWriteTime.QuadPart > FileBasicInformationStruct->ChangeTime.QuadPart
 586                                                 ? &FileBasicInformationStruct->LastWriteTime : &FileBasicInformationStruct->ChangeTime));
 587                 g_return_val_if_fail(GNOME_VFS_OK==errvfsresult,errvfsresult);
 588                 captive_file_info_object->p.mtime=timespec.tv_sec;
 589                 captive_file_info_object->mtime_nsec=timespec.tv_nsec;
 590                 captive_file_info_object->p.valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_MTIME;
 591                 }
 592
 593         if (FileBasicInformationStruct->CreationTime.QuadPart) {        /* it may be 0 if not set */
 594 struct timespec timespec;
 595
 596                 errvfsresult=Time_to_timespec(&timespec,&FileBasicInformationStruct->CreationTime);
 597                 g_return_val_if_fail(GNOME_VFS_OK==errvfsresult,errvfsresult);
 598                 captive_file_info_object->p.ctime=timespec.tv_sec;
 599                 captive_file_info_object->ctime_nsec=timespec.tv_nsec;
 600                 captive_file_info_object->p.valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_CTIME;
 601                 }
 602
 603         return GNOME_VFS_OK;
 604 }
 605
 606
 607 /* Use 'FileStandardInformationStruct' identifier instead of the logical 'FileStandardInformation'
 608  * to prevent override of enum member 'FileStandardInformation'
 609  */
 610 static GnomeVFSResult FileStandardInformationStruct_to_CaptiveFileInfoObject_in_place
 611                 (CaptiveFileInfoObject *captive_file_info_object,FILE_STANDARD_INFORMATION *FileStandardInformationStruct)
 612 {
 613         g_return_val_if_fail(CAPTIVE_FILE_INFO_IS_OBJECT(captive_file_info_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 614
 615         captive_file_info_object->p.size=FileStandardInformationStruct->EndOfFile.QuadPart;
 616         captive_file_info_object->p.valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_SIZE;
 617
 618         captive_file_info_object->p.block_count=FileStandardInformationStruct->AllocationSize.QuadPart/512;
 619         captive_file_info_object->p.valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_BLOCK_COUNT;
 620
 621         return GNOME_VFS_OK;
 622 }
 623
 624
 625 GnomeVFSResult captive_file_slave_file_info_get(CaptiveFileObject *captive_file_object,
 626                 CaptiveFileInfoObject **captive_file_info_object_return)
 627 {
 628 CaptiveFileInfoObject *captive_file_info_object;
 629 CaptiveFileSlaveObject *captive_file_slave_object;
 630 NTSTATUS err;
 631 IO_STATUS_BLOCK file_IoStatusBlock;
 632 FILE_NAME_INFORMATION *FileNameInformationStruct;
 633 FILE_BASIC_INFORMATION *FileBasicInformationStruct;
 634 FILE_STANDARD_INFORMATION *FileStandardInformationStruct;
 635 GnomeVFSResult errvfsresult;
 636 char QueryFile_buf[sizeof(FILE_NAME_INFORMATION)
 637                 +0x1000 /* max 'FileName' length, 255 should be enough */ * sizeof(WCHAR /* *FILE_ALL_INFORMATION.NameInformation.FileName */ )];
 638
 639         g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 640         g_return_val_if_fail(captive_file_info_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 641
 642         captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
 643
 644         g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 645
 646         errvfsresult=captive_file_info_object_new(&captive_file_info_object);
 647         g_return_val_if_fail(GNOME_VFS_OK==errvfsresult,errvfsresult);
 648
 649         /* ntfs.sys of NT-5.1sp1 has *(FILE_BASIC_INFORMATION *)FILE_ALL_INFORMATION.BasicInformation
 650          * size 0x28 although reactos includes and all the information says 0x24.
 651          * fastfat.sys of NT-5.1sp1 also has the 'official' sizeof 0x24.
 652          * It would be a bit of heuristic to correctly detect its expected sizeof.
 653          */
 654
 655         captive_file_info_object->p.flags=GNOME_VFS_FILE_FLAGS_LOCAL;
 656         captive_file_info_object->p.valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_FLAGS;
 657
 658         /* query NameInformation */
 659         FileNameInformationStruct=(void *)QueryFile_buf;
 660         err=NtQueryInformationFile(
 661                         captive_file_slave_object->file_Handle, /* FileHandle */
 662                         &file_IoStatusBlock,    /* IoStatusBlock */
 663                         (gpointer)QueryFile_buf,        /* FileInformation */
 664                         sizeof(QueryFile_buf)   /* Length */
 665                                         -sizeof(*FileNameInformationStruct->FileName),  /* reserve space for a possible 0-terminator */
 666                         FileNameInformation);   /* FileInformationClass; =>FILE_NAME_INFORMATION */
 667         if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
 668                 return errvfsresult;
 669         g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
 670         g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 671         errvfsresult=FileNameInformationStruct_to_CaptiveFileInfoObject_in_place(captive_file_info_object,
 672                         FileNameInformationStruct);
 673         g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
 674
 675         /* query BasicInformation */
 676         FileBasicInformationStruct=(void *)QueryFile_buf;
 677         err=NtQueryInformationFile(
 678                         captive_file_slave_object->file_Handle, /* FileHandle */
 679                         &file_IoStatusBlock,    /* IoStatusBlock */
 680                         (gpointer)QueryFile_buf,        /* FileInformation */
 681                         sizeof(QueryFile_buf),  /* Length */
 682                         FileBasicInformation);  /* FileInformationClass; =>FILE_BASIC_INFORMATION */
 683         if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
 684                 return errvfsresult;
 685         g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
 686         g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 687         errvfsresult=FileBasicInformationStruct_to_CaptiveFileInfoObject_in_place(captive_file_info_object,
 688                         FileBasicInformationStruct);
 689         g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
 690
 691         /* query StandardInformation */
 692         FileStandardInformationStruct=(void *)QueryFile_buf;
 693         err=NtQueryInformationFile(
 694                         captive_file_slave_object->file_Handle, /* FileHandle */
 695                         &file_IoStatusBlock,    /* IoStatusBlock */
 696                         (gpointer)QueryFile_buf,        /* FileInformation */
 697                         sizeof(QueryFile_buf),  /* Length */
 698                         FileStandardInformation);       /* FileInformationClass; =>FILE_STANDARD_INFORMATION */
 699         if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
 700                 return errvfsresult;
 701         g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
 702         g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 703         errvfsresult=FileStandardInformationStruct_to_CaptiveFileInfoObject_in_place(captive_file_info_object,
 704                         FileStandardInformationStruct);
 705         g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
 706
 707         *captive_file_info_object_return=captive_file_info_object;
 708         captive_leave();
 709         return GNOME_VFS_OK;
 710 }
 711
 712
 713 static GnomeVFSResult captive_file_slave_file_info_set
 714                 (CaptiveFileObject *captive_file_object,CaptiveFileInfoObject *captive_file_info_object,GnomeVFSSetFileInfoMask mask)
 715 {
 716 CaptiveFileSlaveObject *captive_file_slave_object;
 717
 718         g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 719         g_return_val_if_fail(CAPTIVE_FILE_INFO_IS_OBJECT(captive_file_info_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 720
 721         captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
 722
 723         g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 724
 725         if (mask & GNOME_VFS_SET_FILE_INFO_NAME) {
 726 gchar *name_dirname,*name_basename;
 727 UNICODE_STRING *name_UnicodeString;
 728 FILE_RENAME_INFORMATION *FileRenameInformation_structp;
 729 gsize FileRenameInformation_struct_len;
 730 IO_STATUS_BLOCK file_IoStatusBlock;
 731 NTSTATUS err=STATUS_SUCCESS;    /* Prevent: ... might be used uninitialized in this function */
 732 GnomeVFSResult errvfsresult;
 733
 734                 /* non-existing dirname assertion */
 735                 name_dirname=g_path_get_dirname(captive_file_info_object->p.name);
 736                 if (*name_dirname) {
 737                         g_assert_not_reached();
 738                         errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
 739                         goto err;
 740                         }
 741
 742                 /* fully-matching basename assertion */
 743                 name_basename=g_path_get_basename(captive_file_info_object->p.name);
 744                 if (strcmp(name_basename,captive_file_info_object->p.name)) {
 745                         g_assert_not_reached();
 746                         errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
 747                         goto err_free_name_dirname;
 748                         }
 749
 750                 name_UnicodeString=captive_utf8_to_UnicodeString_alloca(captive_file_info_object->p.name);
 751                 FileRenameInformation_struct_len=sizeof(*FileRenameInformation_structp)
 752                                 +name_UnicodeString->MaximumLength;     /* ==Length+(0-terminator); is the terminator needed? */
 753
 754                 FileRenameInformation_structp=g_alloca(FileRenameInformation_struct_len);
 755                 FileRenameInformation_structp->Replace=FALSE;
 756                 FileRenameInformation_structp->RootDir=NULL;    /* we do 'simple rename' here */
 757                 FileRenameInformation_structp->FileNameLength=name_UnicodeString->Length;
 758                 memcpy(FileRenameInformation_structp->FileName,name_UnicodeString->Buffer,
 759                                 name_UnicodeString->MaximumLength);     /* ==Length+(0-terminator); is the terminator needed? */
 760
 761                 err=NtSetInformationFile(
 762                                 captive_file_slave_object->file_Handle, /* FileHandle */
 763                                 &file_IoStatusBlock,    /* IoStatusBlock */
 764                                 FileRenameInformation_structp,  /* FileInformation */
 765                                 FileRenameInformation_struct_len,       /* Length */
 766                                 FileRenameInformation); /* FileInformationClass */
 767                 if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
 768                         goto err_free_name_basename;
 769
 770 err_free_name_basename:
 771                 g_free(name_basename);
 772 err_free_name_dirname:
 773                 g_free(name_dirname);
 774 err:
 775
 776                 if (errvfsresult!=GNOME_VFS_OK)
 777                         return errvfsresult;
 778                 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 779                 }
 780
 781         if (mask & (GNOME_VFS_SET_FILE_INFO_PERMISSIONS | GNOME_VFS_SET_FILE_INFO_TIME)) {
 782 char FileBasicInformation_buf[sizeof(FILE_BASIC_INFORMATION)+4];
 783 FILE_BASIC_INFORMATION *FileBasicInformationp=(FILE_BASIC_INFORMATION *)FileBasicInformation_buf;
 784 IO_STATUS_BLOCK file_IoStatusBlock;
 785 NTSTATUS err;
 786
 787                 /* FIXME: Everywhere is is the declaration with 4xLARGE_INTEGER+1xULONG==36 bytes
 788                  * but the precompiled ext2fsd.sys wants 40 bytes - why?
 789                  * The same case applies to ntfs.sys of NT-5.1sp1.
 790                  */
 791                 g_assert(sizeof(FILE_BASIC_INFORMATION)==36);
 792                 g_assert(sizeof(FileBasicInformation_buf)==40);
 793                 err=NtQueryInformationFile(
 794                                 captive_file_slave_object->file_Handle, /* FileHandle */
 795                                 &file_IoStatusBlock,    /* IoStatusBlock */
 796                                 FileBasicInformation_buf,       /* FileInformation */
 797                                 sizeof(FileBasicInformation_buf),       /* Length */
 798                                 FileBasicInformation);  /* FileInformationClass */
 799                 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 800
 801                 if (mask & GNOME_VFS_SET_FILE_INFO_PERMISSIONS) {
 802                         FileBasicInformationp->FileAttributes&=~FILE_ATTRIBUTE_READONLY;
 803                         g_assert(captive_file_info_object->p.valid_fields & GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS);
 804                         if (!(captive_file_info_object->p.permissions&0200))
 805                                 FileBasicInformationp->FileAttributes|=FILE_ATTRIBUTE_READONLY;
 806                         }
 807
 808                 if (mask & GNOME_VFS_SET_FILE_INFO_TIME) {
 809                         g_assert(captive_file_info_object->p.valid_fields & (0
 810                                         | GNOME_VFS_FILE_INFO_FIELDS_ATIME
 811                                         | GNOME_VFS_FILE_INFO_FIELDS_MTIME
 812                                         | GNOME_VFS_FILE_INFO_FIELDS_CTIME));
 813                         if (captive_file_info_object->p.valid_fields&GNOME_VFS_FILE_INFO_FIELDS_ATIME) {
 814 struct timespec timespec;
 815 GnomeVFSResult errvfsresult;
 816
 817                                 timespec.tv_sec=captive_file_info_object->p.atime;
 818                                 timespec.tv_nsec=captive_file_info_object->atime_nsec;
 819                                 errvfsresult=timespec_to_Time(
 820                                                 &FileBasicInformationp->LastAccessTime, /* Time */
 821                                                 &timespec);     /* timespec */
 822                                 g_return_val_if_fail(GNOME_VFS_OK==errvfsresult,errvfsresult);
 823                                 }
 824                         if (captive_file_info_object->p.valid_fields&GNOME_VFS_FILE_INFO_FIELDS_MTIME) {
 825 struct timespec timespec;
 826 GnomeVFSResult errvfsresult;
 827
 828                                 timespec.tv_sec=captive_file_info_object->p.mtime;
 829                                 timespec.tv_nsec=captive_file_info_object->mtime_nsec;
 830                                 errvfsresult=timespec_to_Time(
 831                                                 &FileBasicInformationp->LastWriteTime,  /* Time */
 832                                                 &timespec);     /* timespec */
 833                                 g_return_val_if_fail(GNOME_VFS_OK==errvfsresult,errvfsresult);
 834                                 FileBasicInformationp->ChangeTime=FileBasicInformationp->LastWriteTime;
 835                                 }
 836                         if (captive_file_info_object->p.valid_fields&GNOME_VFS_FILE_INFO_FIELDS_CTIME) {
 837 struct timespec timespec;
 838 GnomeVFSResult errvfsresult;
 839
 840                                 timespec.tv_sec=captive_file_info_object->p.ctime;
 841                                 timespec.tv_nsec=captive_file_info_object->ctime_nsec;
 842                                 errvfsresult=timespec_to_Time(
 843                                                 &FileBasicInformationp->CreationTime,   /* Time */
 844                                                 &timespec);     /* timespec */
 845                                 g_return_val_if_fail(GNOME_VFS_OK==errvfsresult,errvfsresult);
 846                                 }
 847                         }
 848
 849                 err=NtSetInformationFile(
 850                                 captive_file_slave_object->file_Handle, /* FileHandle */
 851                                 &file_IoStatusBlock,    /* IoStatusBlock */
 852                                 FileBasicInformation_buf,       /* FileInformation */
 853                                 sizeof(FileBasicInformation_buf),       /* Length */
 854                                 FileBasicInformation);  /* FileInformationClass */
 855                 g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 856                 }
 857
 858         if (mask & GNOME_VFS_SET_FILE_INFO_OWNER) {
 859                 /* FIXME: g_assert(captive_file_info_object->p.valid_fields & ???); */
 860                 /* owner ignored for W32 */
 861                 }
 862
 863         captive_leave();
 864         return GNOME_VFS_OK;
 865 }
 866
 867
 868 GnomeVFSResult captive_file_slave_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size)
 869 {
 870 CaptiveFileSlaveObject *captive_file_slave_object;
 871 NTSTATUS err;
 872 FILE_END_OF_FILE_INFORMATION FileEndOfFileInformation_struct;
 873 IO_STATUS_BLOCK file_IoStatusBlock;
 874 GnomeVFSResult errvfsresult;
 875
 876         g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 877
 878         captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
 879
 880         g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 881
 882         FileEndOfFileInformation_struct.EndOfFile.QuadPart=file_size;
 883
 884         err=NtSetInformationFile(
 885                         captive_file_slave_object->file_Handle, /* FileHandle */
 886                         &file_IoStatusBlock,    /* IoStatusBlock */
 887                         &FileEndOfFileInformation_struct,       /* FileInformation */
 888                         sizeof(FileEndOfFileInformation_struct),        /* Length */
 889                         FileEndOfFileInformation);      /* FileInformationClass */
 890         if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
 891                 return errvfsresult;
 892         g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 893
 894         captive_leave();
 895         return GNOME_VFS_OK;
 896 }
 897
 898
 899 GnomeVFSResult captive_file_slave_move
 900                 (CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace)
 901 {
 902 CaptiveFileSlaveObject *captive_file_slave_object_old;
 903 NTSTATUS err;
 904 FILE_RENAME_INFORMATION *FileRenameInformation_structp;
 905 IO_STATUS_BLOCK file_IoStatusBlock;
 906 GnomeVFSResult errvfsresult;
 907 OBJECT_ATTRIBUTES pathname_new_ObjectAttributes;
 908
 909         g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object_old),GNOME_VFS_ERROR_BAD_PARAMETERS);
 910         g_return_val_if_fail(pathname_new!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 911
 912         captive_file_slave_object_old=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object_old);
 913
 914         g_return_val_if_fail(captive_file_slave_object_old->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 915
 916         errvfsresult=captive_ObjectAttributes_init(pathname_new,&pathname_new_ObjectAttributes);
 917         g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
 918
 919         FileRenameInformation_structp=
 920                         g_alloca(sizeof(*FileRenameInformation_structp)+pathname_new_ObjectAttributes.ObjectName->MaximumLength);
 921         FileRenameInformation_structp->Replace=force_replace;
 922         FileRenameInformation_structp->RootDir=0;       /* AFAIK never set by orig W32 */
 923         FileRenameInformation_structp->FileNameLength=pathname_new_ObjectAttributes.ObjectName->Length;
 924         memcpy(FileRenameInformation_structp->FileName,pathname_new_ObjectAttributes.ObjectName->Buffer,
 925                         pathname_new_ObjectAttributes.ObjectName->MaximumLength);
 926
 927         err=NtSetInformationFile(
 928                         captive_file_slave_object_old->file_Handle,     /* FileHandle */
 929                         &file_IoStatusBlock,    /* IoStatusBlock */
 930                         FileRenameInformation_structp,  /* FileInformation */
 931                         sizeof(*FileRenameInformation_structp)+pathname_new_ObjectAttributes.ObjectName->MaximumLength, /* Length */
 932                         FileRenameInformation); /* FileInformationClass */
 933         if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
 934                 goto err_free_ObjectAttributes;
 935         g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
 936
 937         errvfsresult=GNOME_VFS_OK;
 938
 939 err_free_ObjectAttributes:
 940         g_free(pathname_new_ObjectAttributes.ObjectName);       /* left from captive_file_slave_uri_parent_init() */
 941
 942         captive_leave();
 943         return errvfsresult;
 944 }