src/libcaptive/client/file-parent.c

   1 /* $Id$
   2  * captive vfs 'file' interface to reactos of sandbox parent
   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-parent.h"        /* self */
  23 #include <glib/gmessages.h>
  24 #include "../sandbox/parent-File.h"
  25 #include "vfs-parent.h"
  26 #include "reactos/ntos/types.h" /* for ULONG */
  27 #include "parent-connector.h"
  28 #include "captive/client.h"     /* for captive_path_normalize() */
  29 #include <ctype.h>
  30
  31
  32 static gpointer captive_file_parent_object_parent_class=NULL;
  33
  34
  35 static GnomeVFSResult captive_file_parent_close(CaptiveFileObject *captive_file_object);
  36 static GnomeVFSResult captive_file_parent_read(CaptiveFileObject *captive_file_object,
  37                 gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return);
  38 static GnomeVFSResult captive_file_parent_write(CaptiveFileObject *captive_file_object,
  39                 gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return);
  40 static GnomeVFSResult captive_file_parent_seek
  41                 (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset);
  42 static GnomeVFSResult captive_file_parent_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return);
  43 static GnomeVFSResult captive_file_parent_remove(CaptiveFileObject *captive_file_object);
  44 static GnomeVFSResult captive_file_parent_file_info_get
  45                 (CaptiveFileObject *captive_file_object,GnomeVFSFileInfo *file_info);
  46 static GnomeVFSResult captive_file_parent_file_info_set
  47                 (CaptiveFileObject *captive_file_object,const GnomeVFSFileInfo *info,GnomeVFSSetFileInfoMask mask);
  48 static GnomeVFSResult captive_file_parent_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size);
  49 static GnomeVFSResult captive_file_parent_move
  50                 (CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace);
  51
  52
  53 static void captive_file_parent_object_dispose(CaptiveFileParentObject *captive_file_parent_object)
  54 {
  55         g_return_if_fail(captive_file_parent_object!=NULL);
  56
  57         captive_file_parent_close(CAPTIVE_FILE_OBJECT(captive_file_parent_object));     /* errors ignored */
  58
  59         if (captive_parent_connector_dispose(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object)))
  60                 return;
  61
  62         G_OBJECT_CLASS(captive_file_parent_object_parent_class)->dispose((GObject *)captive_file_parent_object);
  63 }
  64
  65 static void captive_file_parent_object_finalize(CaptiveFileParentObject *captive_file_parent_object)
  66 {
  67         g_return_if_fail(captive_file_parent_object!=NULL);
  68
  69         captive_parent_connector_finalize(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object));
  70
  71         g_free(captive_file_parent_object->pathname);
  72         captive_file_parent_object->pathname=NULL;
  73
  74         G_OBJECT_CLASS(captive_file_parent_object_parent_class)->finalize((GObject *)captive_file_parent_object);
  75 }
  76
  77 static void captive_file_parent_object_class_init(CaptiveFileParentObjectClass *class)
  78 {
  79 GObjectClass *gobject_class=G_OBJECT_CLASS(class);
  80 CaptiveFileObjectClass *captive_file_object_class=CAPTIVE_FILE_OBJECT_CLASS(class);
  81
  82         captive_file_parent_object_parent_class=g_type_class_ref(g_type_parent(G_TYPE_FROM_CLASS(class)));
  83         gobject_class->dispose=(void (*)(GObject *object))captive_file_parent_object_dispose;
  84         gobject_class->finalize=(void (*)(GObject *object))captive_file_parent_object_finalize;
  85
  86         captive_file_object_class->read=captive_file_parent_read;
  87         captive_file_object_class->write=captive_file_parent_write;
  88         captive_file_object_class->seek=captive_file_parent_seek;
  89         captive_file_object_class->tell=captive_file_parent_tell;
  90         captive_file_object_class->remove=captive_file_parent_remove;
  91         captive_file_object_class->file_info_get=captive_file_parent_file_info_get;
  92         captive_file_object_class->file_info_set=captive_file_parent_file_info_set;
  93         captive_file_object_class->truncate=captive_file_parent_truncate;
  94         captive_file_object_class->move=captive_file_parent_move;
  95 }
  96
  97
  98 static GnomeVFSResult (*captive_file_parent_object_captive_parent_connector_open_orig)
  99                 (CaptiveParentConnector *captive_parent_connector);
 100 static GnomeVFSResult captive_file_parent_object_captive_parent_connector_open
 101                 (CaptiveParentConnector *captive_parent_connector);
 102
 103 static GnomeVFSResult captive_file_parent_object_captive_parent_connector_close
 104                 (CaptiveParentConnector *captive_parent_connector);
 105 static GnomeVFSResult (*captive_file_parent_object_captive_parent_connector_close_orig)
 106                 (CaptiveParentConnector *captive_parent_connector);
 107
 108 static G_CONST_RETURN gchar *captive_file_parent_object_captive_parent_connector_get_pathname
 109                 (CaptiveParentConnector *captive_parent_connector);
 110
 111 static void captive_file_parent_object_captive_parent_connector_init(CaptiveParentConnectorIface *captive_parent_connector_iface)
 112 {
 113         g_return_if_fail(CAPTIVE_IS_PARENT_CONNECTOR_CLASS(captive_parent_connector_iface));
 114
 115         captive_file_parent_object_captive_parent_connector_open_orig=captive_parent_connector_iface->open;
 116         captive_parent_connector_iface->open=captive_file_parent_object_captive_parent_connector_open;
 117
 118         captive_file_parent_object_captive_parent_connector_close_orig=captive_parent_connector_iface->close;
 119         captive_parent_connector_iface->close=captive_file_parent_object_captive_parent_connector_close;
 120
 121         captive_parent_connector_iface->get_pathname=captive_file_parent_object_captive_parent_connector_get_pathname;
 122 }
 123
 124
 125 static void captive_file_parent_object_init(CaptiveFileParentObject *captive_file_parent_object)
 126 {
 127         g_return_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_parent_object));
 128 }
 129
 130
 131 GType captive_file_parent_object_get_type(void)
 132 {
 133 static GType captive_file_parent_object_type=0;
 134
 135         if (!captive_file_parent_object_type) {
 136 static const GTypeInfo captive_file_parent_object_info={
 137                                 sizeof(CaptiveFileParentObjectClass),
 138                                 NULL,   /* base_init */
 139                                 NULL,   /* base_finalize */
 140                                 (GClassInitFunc)captive_file_parent_object_class_init,
 141                                 NULL,   /* class_finalize */
 142                                 NULL,   /* class_data */
 143                                 sizeof(CaptiveFileParentObject),
 144                                 5,      /* n_preallocs */
 145                                 (GInstanceInitFunc)captive_file_parent_object_init,
 146                                 };
 147 static const GInterfaceInfo captive_parent_connector_info={
 148                                 (GInterfaceInitFunc)captive_file_parent_object_captive_parent_connector_init,   /* interface_init */
 149                                 NULL,   /* interface_finalize */
 150                                 NULL,   /* interface_data */
 151                                 };
 152
 153                 captive_file_parent_object_type=g_type_register_static(CAPTIVE_FILE_TYPE_OBJECT,
 154                                 "CaptiveFileParentObject",&captive_file_parent_object_info,0);
 155                 g_type_add_interface_static(captive_file_parent_object_type,
 156                                 CAPTIVE_TYPE_PARENT_CONNECTOR,&captive_parent_connector_info);
 157                 }
 158
 159         return captive_file_parent_object_type;
 160 }
 161
 162
 163 static void captive_file_parent_init
 164                 (CaptiveFileParentObject *captive_file_parent_object,CaptiveVfsObject *captive_vfs_object)
 165 {
 166         g_return_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_parent_object));
 167         g_return_if_fail(CAPTIVE_VFS_PARENT_IS_OBJECT(captive_vfs_object));
 168
 169         /* Order of captive_file_init() and captive_parent_connector_init()
 170          * should not matter as 'vfs' is passed by value to captive_parent_connector_init().
 171          */
 172         captive_file_init(CAPTIVE_FILE_OBJECT(captive_file_parent_object),captive_vfs_object);
 173
 174         captive_parent_connector_init(
 175                         CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object),   /* captive_parent_connector */
 176                         &captive_file_parent_object->corba_File_object, /* corba_objectp */
 177                         CAPTIVE_VFS_PARENT_OBJECT(CAPTIVE_FILE_OBJECT(captive_file_parent_object)->vfs));       /* captive_vfs_parent_object */
 178 }
 179
 180 GnomeVFSResult captive_file_parent_new_open(CaptiveFileObject **captive_file_object_return,
 181                 CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode)
 182 {
 183 CaptiveFileParentObject *captive_file_parent_object;
 184 GnomeVFSResult r;
 185 gint retried=0;
 186 gint retried_commit=0;
 187
 188         g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 189         g_return_val_if_fail(CAPTIVE_VFS_PARENT_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 190         g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 191
 192         captive_file_parent_object=g_object_new(
 193                         CAPTIVE_FILE_PARENT_TYPE_OBJECT,        /* object_type */
 194                         NULL);  /* first_property_name; FIXME: support properties */
 195         captive_file_parent_object->pathname=g_strdup(pathname);
 196         captive_file_parent_object->mode=mode;
 197
 198         captive_file_parent_init(captive_file_parent_object,captive_vfs_object);
 199
 200         do {
 201                 if (GNOME_VFS_OK!=(r=captive_parent_connector_connect(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 202                         return r;
 203                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 204                                 !=(r=captive_sandbox_parent_file_new_open(captive_file_parent_object))) {
 205                         if (GNOME_VFS_ERROR_SERVICE_OBSOLETE==r) {
 206                                 if (!retried_commit++) {
 207                                         if (GNOME_VFS_OK!=(r=captive_vfs_commit(captive_vfs_object)))
 208                                                 return r;
 209                                         retried=0;
 210                                         continue;
 211                                         }
 212                                 }
 213                         if (GNOME_VFS_OK!=r) {
 214                                 g_object_unref(captive_file_parent_object);
 215                                 *captive_file_object_return=NULL;
 216                                 return r;
 217                                 }
 218                         *captive_file_object_return=CAPTIVE_FILE_OBJECT(captive_file_parent_object);
 219                         return (*captive_file_parent_object_captive_parent_connector_open_orig)
 220                                         (CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object));
 221                         }
 222                 } while (!retried++);
 223         return r;
 224 }
 225
 226
 227 GnomeVFSResult captive_file_parent_new_create(CaptiveFileObject **captive_file_object_return,
 228                 CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode,gboolean exclusive,guint perm)
 229 {
 230 CaptiveFileParentObject *captive_file_parent_object;
 231 GnomeVFSResult r;
 232 gint retried=0;
 233 gint retried_commit=0;
 234
 235         g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 236         g_return_val_if_fail(CAPTIVE_VFS_PARENT_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 237         g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 238
 239         captive_file_parent_object=g_object_new(
 240                         CAPTIVE_FILE_PARENT_TYPE_OBJECT,        /* object_type */
 241                         NULL);  /* first_property_name; FIXME: support properties */
 242         captive_file_parent_object->pathname=g_strdup(pathname);
 243         captive_file_parent_object->mode=mode;
 244
 245         captive_file_parent_init(captive_file_parent_object,captive_vfs_object);
 246
 247         if (GNOME_VFS_OK!=(r=captive_parent_connector_connect(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 248                 return r;
 249
 250         do {
 251                 if (GNOME_VFS_OK!=(r=captive_parent_connector_connect(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 252                         return r;
 253                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 254                                 !=(r=captive_sandbox_parent_file_new_create(captive_file_parent_object,exclusive,perm))) {
 255                         if (GNOME_VFS_ERROR_SERVICE_OBSOLETE==r) {
 256                                 if (!retried_commit++) {
 257                                         if (GNOME_VFS_OK!=(r=captive_vfs_commit(captive_vfs_object)))
 258                                                 return r;
 259                                         retried=0;
 260                                         continue;
 261                                         }
 262                                 }
 263                         if (GNOME_VFS_OK!=r) {
 264                                 g_object_unref(captive_file_parent_object);
 265                                 *captive_file_object_return=NULL;
 266                                 return r;
 267                                 }
 268                         captive_parent_connector_set_dirty(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object));
 269                         *captive_file_object_return=CAPTIVE_FILE_OBJECT(captive_file_parent_object);
 270                         return (*captive_file_parent_object_captive_parent_connector_open_orig)
 271                                         (CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object));
 272                         }
 273                 } while (!retried++);
 274         return r;
 275 }
 276
 277
 278 static GnomeVFSResult captive_file_parent_close(CaptiveFileObject *captive_file_object)
 279 {
 280 CaptiveFileParentObject *captive_file_parent_object;
 281 GnomeVFSResult r;
 282 gint retried=0;
 283
 284         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 285
 286         captive_file_parent_object=CAPTIVE_FILE_PARENT_OBJECT(captive_file_object);
 287
 288         do {
 289                 if (GNOME_VFS_OK!=(r=captive_parent_connector_open(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 290                         break;
 291                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 292                                 !=(r=captive_parent_connector_close(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 293                         break;
 294                 } while (!retried++);
 295         return r;
 296 }
 297
 298
 299 static GnomeVFSResult captive_file_parent_object_captive_parent_connector_open
 300                 (CaptiveParentConnector *captive_parent_connector)
 301 {
 302 GnomeVFSResult r;
 303
 304         g_return_val_if_fail(CAPTIVE_IS_PARENT_CONNECTOR(captive_parent_connector),GNOME_VFS_ERROR_BAD_PARAMETERS);
 305         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_parent_connector),GNOME_VFS_ERROR_BAD_PARAMETERS);
 306
 307         if (GNOME_VFS_OK!=(r=captive_sandbox_parent_file_new_open(CAPTIVE_FILE_PARENT_OBJECT(captive_parent_connector))))
 308                 return r;
 309
 310         return (*captive_file_parent_object_captive_parent_connector_open_orig)(captive_parent_connector);
 311 }
 312
 313
 314 static GnomeVFSResult captive_file_parent_object_captive_parent_connector_close
 315                 (CaptiveParentConnector *captive_parent_connector)
 316 {
 317 GnomeVFSResult r;
 318
 319         g_return_val_if_fail(CAPTIVE_IS_PARENT_CONNECTOR(captive_parent_connector),GNOME_VFS_ERROR_BAD_PARAMETERS);
 320         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_parent_connector),GNOME_VFS_ERROR_BAD_PARAMETERS);
 321
 322         if (GNOME_VFS_OK!=(r=captive_sandbox_parent_file_close(CAPTIVE_FILE_PARENT_OBJECT(captive_parent_connector))))
 323                 return r;
 324
 325         return (*captive_file_parent_object_captive_parent_connector_close_orig)(captive_parent_connector);
 326 }
 327
 328
 329 static G_CONST_RETURN gchar *captive_file_parent_object_captive_parent_connector_get_pathname
 330                 (CaptiveParentConnector *captive_parent_connector)
 331 {
 332 CaptiveFileParentObject *captive_file_parent_object;
 333
 334         g_return_val_if_fail(CAPTIVE_IS_PARENT_CONNECTOR(captive_parent_connector),NULL);
 335         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_parent_connector),NULL);
 336
 337         captive_file_parent_object=CAPTIVE_FILE_PARENT_OBJECT(captive_parent_connector);
 338
 339         g_return_val_if_fail(captive_file_parent_object->pathname!=NULL,NULL);
 340
 341         return captive_file_parent_object->pathname;
 342 }
 343
 344
 345 static GnomeVFSResult captive_file_parent_read(CaptiveFileObject *captive_file_object,
 346                 gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return)
 347 {
 348 CaptiveFileParentObject *captive_file_parent_object;
 349 GnomeVFSResult r;
 350 gint retried=0;
 351
 352         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 353         g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 354         g_return_val_if_fail(bytes_read_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 355         g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
 356
 357         captive_file_parent_object=CAPTIVE_FILE_PARENT_OBJECT(captive_file_object);
 358
 359         do {
 360                 if (GNOME_VFS_OK!=(r=captive_parent_connector_open(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 361                         return r;
 362                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 363                                 !=(r=captive_sandbox_parent_file_read(captive_file_parent_object,buffer,num_bytes,bytes_read_return)))
 364                         return r;
 365                 } while (!retried++);
 366         return r;
 367 }
 368
 369
 370 static GnomeVFSResult captive_file_parent_write(CaptiveFileObject *captive_file_object,
 371                 gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return)
 372 {
 373 CaptiveFileParentObject *captive_file_parent_object;
 374 GnomeVFSResult r;
 375 gint retried=0;
 376 gint retried_commit=0;
 377
 378         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 379         g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 380         g_return_val_if_fail(bytes_written_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 381         g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
 382
 383         captive_file_parent_object=CAPTIVE_FILE_PARENT_OBJECT(captive_file_object);
 384
 385         do {
 386                 if (GNOME_VFS_OK!=(r=captive_parent_connector_open(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 387                         return r;
 388                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 389                                 !=(r=captive_sandbox_parent_file_write(captive_file_parent_object,buffer,num_bytes,bytes_written_return))) {
 390                         /* Occured: ExRaiseStatus(STATUS_LOG_FILE_FULL); */
 391                         if (GNOME_VFS_ERROR_SERVICE_OBSOLETE==r) {
 392                                 if (!retried_commit++) {
 393                                         if (GNOME_VFS_OK!=(r=captive_vfs_commit(captive_file_object->vfs)))
 394                                                 return r;
 395                                         retried=0;
 396                                         continue;
 397                                         }
 398                                 }
 399                         g_assert(*bytes_written_return==num_bytes);     /* Not GNOME_VFS_ERROR_SERVICE_OBSOLETE. */
 400                         if (GNOME_VFS_OK==r)
 401                                 captive_parent_connector_set_dirty(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object));
 402                         return r;
 403                         }
 404                 } while (!retried++);
 405         return r;
 406 }
 407
 408
 409 static GnomeVFSResult captive_file_parent_seek
 410                 (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset)
 411 {
 412 CaptiveFileParentObject *captive_file_parent_object;
 413 GnomeVFSResult r;
 414 gint retried=0;
 415
 416         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 417
 418         captive_file_parent_object=CAPTIVE_FILE_PARENT_OBJECT(captive_file_object);
 419
 420         do {
 421                 if (GNOME_VFS_OK!=(r=captive_parent_connector_open(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 422                         return r;
 423                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 424                                 !=(r=captive_sandbox_parent_file_seek(captive_file_parent_object,whence,offset)))
 425                         return r;
 426                 } while (!retried++);
 427         return r;
 428 }
 429
 430
 431 static GnomeVFSResult captive_file_parent_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return)
 432 {
 433 CaptiveFileParentObject *captive_file_parent_object;
 434 GnomeVFSResult r;
 435 gint retried=0;
 436
 437         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 438         g_return_val_if_fail(offset_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 439
 440         captive_file_parent_object=CAPTIVE_FILE_PARENT_OBJECT(captive_file_object);
 441
 442         do {
 443                 if (GNOME_VFS_OK!=(r=captive_parent_connector_open(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 444                         return r;
 445                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 446                                 !=(r=captive_sandbox_parent_file_tell(captive_file_parent_object,offset_return)))
 447                         return r;
 448                 } while (!retried++);
 449         return r;
 450 }
 451
 452
 453 static GnomeVFSResult captive_file_parent_remove(CaptiveFileObject *captive_file_object)
 454 {
 455 CaptiveFileParentObject *captive_file_parent_object;
 456 GnomeVFSResult r;
 457 gint retried=0;
 458
 459         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 460
 461         captive_file_parent_object=CAPTIVE_FILE_PARENT_OBJECT(captive_file_object);
 462
 463         do {
 464                 if (GNOME_VFS_OK!=(r=captive_parent_connector_open(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 465                         return r;
 466                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 467                                 !=(r=captive_sandbox_parent_file_remove(captive_file_parent_object))) {
 468                         if (GNOME_VFS_OK==r)
 469                                 captive_parent_connector_set_dirty(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object));
 470                         return r;
 471                         }
 472                 } while (!retried++);
 473         return r;
 474 }
 475
 476
 477 static GnomeVFSResult captive_file_parent_file_info_get
 478                 (CaptiveFileObject *captive_file_object,GnomeVFSFileInfo *file_info)
 479 {
 480 CaptiveFileParentObject *captive_file_parent_object;
 481 GnomeVFSResult r;
 482 gint retried=0;
 483
 484         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 485         g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 486
 487         captive_file_parent_object=CAPTIVE_FILE_PARENT_OBJECT(captive_file_object);
 488
 489         do {
 490                 if (GNOME_VFS_OK!=(r=captive_parent_connector_open(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 491                         return r;
 492                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 493                                 !=(r=captive_sandbox_parent_file_file_info_get(captive_file_parent_object,file_info)))
 494                         return r;
 495                 } while (!retried++);
 496         return r;
 497 }
 498
 499
 500 static GnomeVFSResult captive_file_parent_file_info_set
 501                 (CaptiveFileObject *captive_file_object,const GnomeVFSFileInfo *info,GnomeVFSSetFileInfoMask mask)
 502 {
 503 CaptiveFileParentObject *captive_file_parent_object;
 504 GnomeVFSResult r;
 505 gint retried=0;
 506
 507         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 508         g_return_val_if_fail(info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 509
 510         captive_file_parent_object=CAPTIVE_FILE_PARENT_OBJECT(captive_file_object);
 511
 512         do {
 513                 if (GNOME_VFS_OK!=(r=captive_parent_connector_open(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 514                         return r;
 515                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 516                                 !=(r=captive_sandbox_parent_file_file_info_set(captive_file_parent_object,info,mask))) {
 517                         if (GNOME_VFS_OK==r)
 518                                 captive_parent_connector_set_dirty(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object));
 519                         return r;
 520                         }
 521                 } while (!retried++);
 522         return r;
 523 }
 524
 525
 526 static GnomeVFSResult captive_file_parent_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size)
 527 {
 528 CaptiveFileParentObject *captive_file_parent_object;
 529 GnomeVFSResult r;
 530 gint retried=0;
 531
 532         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 533
 534         captive_file_parent_object=CAPTIVE_FILE_PARENT_OBJECT(captive_file_object);
 535
 536         do {
 537                 if (GNOME_VFS_OK!=(r=captive_parent_connector_open(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object))))
 538                         return r;
 539                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 540                                 !=(r=captive_sandbox_parent_file_truncate(captive_file_parent_object,file_size))) {
 541                         if (GNOME_VFS_OK==r)
 542                                 captive_parent_connector_set_dirty(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object));
 543                         return r;
 544                         }
 545                 } while (!retried++);
 546         return r;
 547 }
 548
 549
 550 static GnomeVFSResult captive_file_parent_move
 551                 (CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace)
 552 {
 553 CaptiveFileParentObject *captive_file_parent_object_old;
 554 GnomeVFSResult r;
 555 gint retried=0;
 556 gchar *chksub_pathname_old_cased,*chksub_pathname_new_cased;    /* case-sensitive version */
 557 gchar *chksub_pathname_old,*chksub_pathname_new,*chksub_s_old,*chksub_s_new;
 558
 559         g_return_val_if_fail(CAPTIVE_FILE_PARENT_IS_OBJECT(captive_file_object_old),GNOME_VFS_ERROR_BAD_PARAMETERS);
 560         g_return_val_if_fail(pathname_new!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 561
 562         captive_file_parent_object_old=CAPTIVE_FILE_PARENT_OBJECT(captive_file_object_old);
 563
 564         /* Prevent "mv dir dir/subdir" as it is not catched by ntfs.sys of NT-5.1sp1. */
 565         /* FIXME: Move to 'CaptiveFileSlaveObject' but it has no '->pathname' stored now! */
 566         /* FIXME: UTF8 may not be compared correctly - we should use g_utf8_collate() */
 567         chksub_pathname_old_cased=captive_path_normalize(captive_file_parent_object_old->pathname);
 568         chksub_pathname_new_cased=captive_path_normalize(pathname_new);
 569         chksub_pathname_old=g_utf8_casefold(chksub_pathname_old_cased,
 570                         -1);    /* len; '\0'-terminated */
 571         chksub_pathname_new=g_utf8_casefold(chksub_pathname_new_cased,
 572                         -1);    /* len; '\0'-terminated */
 573         g_free(chksub_pathname_old_cased);
 574         g_free(chksub_pathname_new_cased);
 575         for (
 576                         chksub_s_old=chksub_pathname_old,chksub_s_new=chksub_pathname_new;
 577                         *chksub_s_old && *chksub_s_new && tolower(*chksub_s_old)==tolower(*chksub_s_new);
 578                         chksub_s_old++,chksub_s_new++);
 579         g_assert(chksub_s_old>chksub_pathname_old);
 580         g_assert(chksub_s_new>chksub_pathname_new);
 581         if (!*chksub_s_old && (!*chksub_s_new || *chksub_s_new=='/'))
 582                 return GNOME_VFS_ERROR_DIRECTORY_BUSY;
 583         if (!*chksub_s_new && (!*chksub_s_old || *chksub_s_old=='/'))
 584                 return GNOME_VFS_ERROR_DIRECTORY_BUSY;
 585         g_free(chksub_pathname_old);
 586         g_free(chksub_pathname_new);
 587
 588         do {
 589                 if (GNOME_VFS_OK!=(r=captive_parent_connector_open(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object_old))))
 590                         return r;
 591                 if (GNOME_VFS_ERROR_SERVICE_NOT_AVAILABLE
 592                                 !=(r=captive_sandbox_parent_file_move(captive_file_parent_object_old,pathname_new,force_replace))) {
 593                         if (GNOME_VFS_OK==r) {
 594                                 g_free(captive_file_parent_object_old->pathname);
 595                                 captive_file_parent_object_old->pathname=g_strdup(pathname_new);
 596                                 captive_parent_connector_set_dirty(CAPTIVE_PARENT_CONNECTOR(captive_file_parent_object_old));
 597                                 }
 598                         return r;
 599                         }
 600                 } while (!retried++);
 601         return r;
 602 }