source4/ntvfs/ntvfs_interface.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    NTVFS interface functions
   4
   5    Copyright (C) Stefan (metze) Metzmacher 2004
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "ntvfs/ntvfs.h"
  23 #include "lib/tsocket/tsocket.h"
  24
  25 /* connect/disconnect */
  26 NTSTATUS ntvfs_connect(struct ntvfs_request *req, union smb_tcon *tcon)
  27 {
  28         struct ntvfs_module_context *ntvfs = req->ctx->modules;
  29         if (!ntvfs->ops->connect_fn) {
  30                 return NT_STATUS_NOT_IMPLEMENTED;
  31         }
  32         return ntvfs->ops->connect_fn(ntvfs, req, tcon);
  33 }
  34
  35 NTSTATUS ntvfs_disconnect(struct ntvfs_context *ntvfs_ctx)
  36 {
  37         struct ntvfs_module_context *ntvfs;
  38         if (ntvfs_ctx == NULL) {
  39                 return NT_STATUS_INVALID_CONNECTION;
  40         }
  41         ntvfs = ntvfs_ctx->modules;
  42         if (!ntvfs->ops->disconnect_fn) {
  43                 return NT_STATUS_NOT_IMPLEMENTED;
  44         }
  45         return ntvfs->ops->disconnect_fn(ntvfs);
  46 }
  47
  48 /* async setup - called by a backend that wants to setup any state for
  49    a async request */
  50 NTSTATUS ntvfs_async_setup(struct ntvfs_request *req, void *private_data)
  51 {
  52         struct ntvfs_module_context *ntvfs = req->ctx->modules;
  53         if (!ntvfs->ops->async_setup_fn) {
  54                 return NT_STATUS_NOT_IMPLEMENTED;
  55         }
  56         return ntvfs->ops->async_setup_fn(ntvfs, req, private_data);
  57 }
  58
  59 /* filesystem operations */
  60 NTSTATUS ntvfs_fsinfo(struct ntvfs_request *req, union smb_fsinfo *fs)
  61 {
  62         struct ntvfs_module_context *ntvfs = req->ctx->modules;
  63         if (!ntvfs->ops->fsinfo_fn) {
  64                 return NT_STATUS_NOT_IMPLEMENTED;
  65         }
  66         return ntvfs->ops->fsinfo_fn(ntvfs, req, fs);
  67 }
  68
  69 /* path operations */
  70 NTSTATUS ntvfs_unlink(struct ntvfs_request *req, union smb_unlink *unl)
  71 {
  72         struct ntvfs_module_context *ntvfs = req->ctx->modules;
  73         if (!ntvfs->ops->unlink_fn) {
  74                 return NT_STATUS_NOT_IMPLEMENTED;
  75         }
  76         return ntvfs->ops->unlink_fn(ntvfs, req, unl);
  77 }
  78
  79 NTSTATUS ntvfs_chkpath(struct ntvfs_request *req, union smb_chkpath *cp)
  80 {
  81         struct ntvfs_module_context *ntvfs = req->ctx->modules;
  82         if (!ntvfs->ops->chkpath_fn) {
  83                 return NT_STATUS_NOT_IMPLEMENTED;
  84         }
  85         return ntvfs->ops->chkpath_fn(ntvfs, req, cp);
  86 }
  87
  88 NTSTATUS ntvfs_qpathinfo(struct ntvfs_request *req, union smb_fileinfo *st)
  89 {
  90         struct ntvfs_module_context *ntvfs = req->ctx->modules;
  91         if (!ntvfs->ops->qpathinfo_fn) {
  92                 return NT_STATUS_NOT_IMPLEMENTED;
  93         }
  94         return ntvfs->ops->qpathinfo_fn(ntvfs, req, st);
  95 }
  96
  97 NTSTATUS ntvfs_setpathinfo(struct ntvfs_request *req, union smb_setfileinfo *st)
  98 {
  99         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 100         if (!ntvfs->ops->setpathinfo_fn) {
 101                 return NT_STATUS_NOT_IMPLEMENTED;
 102         }
 103         return ntvfs->ops->setpathinfo_fn(ntvfs, req, st);
 104 }
 105
 106 NTSTATUS ntvfs_open(struct ntvfs_request *req, union smb_open *oi)
 107 {
 108         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 109         if (!ntvfs->ops->open_fn) {
 110                 return NT_STATUS_NOT_IMPLEMENTED;
 111         }
 112         return ntvfs->ops->open_fn(ntvfs, req, oi);
 113 }
 114
 115 NTSTATUS ntvfs_mkdir(struct ntvfs_request *req, union smb_mkdir *md)
 116 {
 117         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 118         if (!ntvfs->ops->mkdir_fn) {
 119                 return NT_STATUS_NOT_IMPLEMENTED;
 120         }
 121         return ntvfs->ops->mkdir_fn(ntvfs, req, md);
 122 }
 123
 124 NTSTATUS ntvfs_rmdir(struct ntvfs_request *req, struct smb_rmdir *rd)
 125 {
 126         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 127         if (!ntvfs->ops->rmdir_fn) {
 128                 return NT_STATUS_NOT_IMPLEMENTED;
 129         }
 130         return ntvfs->ops->rmdir_fn(ntvfs, req, rd);
 131 }
 132
 133 NTSTATUS ntvfs_rename(struct ntvfs_request *req, union smb_rename *ren)
 134 {
 135         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 136         if (!ntvfs->ops->rename_fn) {
 137                 return NT_STATUS_NOT_IMPLEMENTED;
 138         }
 139         return ntvfs->ops->rename_fn(ntvfs, req, ren);
 140 }
 141
 142 NTSTATUS ntvfs_copy(struct ntvfs_request *req, struct smb_copy *cp)
 143 {
 144         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 145         if (!ntvfs->ops->copy_fn) {
 146                 return NT_STATUS_NOT_IMPLEMENTED;
 147         }
 148         return ntvfs->ops->copy_fn(ntvfs, req, cp);
 149 }
 150
 151 /* directory search */
 152 NTSTATUS ntvfs_search_first(struct ntvfs_request *req, union smb_search_first *io, void *private_data,
 153                                      bool ntvfs_callback(void *private_data, const union smb_search_data *file))
 154 {
 155         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 156         if (!ntvfs->ops->search_first_fn) {
 157                 return NT_STATUS_NOT_IMPLEMENTED;
 158         }
 159         return ntvfs->ops->search_first_fn(ntvfs, req, io, private_data, ntvfs_callback);
 160 }
 161
 162 NTSTATUS ntvfs_search_next(struct ntvfs_request *req, union smb_search_next *io, void *private_data,
 163                                     bool ntvfs_callback(void *private_data, const union smb_search_data *file))
 164 {
 165         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 166         if (!ntvfs->ops->search_next_fn) {
 167                 return NT_STATUS_NOT_IMPLEMENTED;
 168         }
 169         return ntvfs->ops->search_next_fn(ntvfs, req, io, private_data, ntvfs_callback);
 170 }
 171
 172 NTSTATUS ntvfs_search_close(struct ntvfs_request *req, union smb_search_close *io)
 173 {
 174         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 175         if (!ntvfs->ops->search_close_fn) {
 176                 return NT_STATUS_NOT_IMPLEMENTED;
 177         }
 178         return ntvfs->ops->search_close_fn(ntvfs, req, io);
 179 }
 180
 181 /* operations on open files */
 182 NTSTATUS ntvfs_ioctl(struct ntvfs_request *req, union smb_ioctl *io)
 183 {
 184         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 185         if (!ntvfs->ops->ioctl_fn) {
 186                 return NT_STATUS_NOT_IMPLEMENTED;
 187         }
 188         return ntvfs->ops->ioctl_fn(ntvfs, req, io);
 189 }
 190
 191 NTSTATUS ntvfs_read(struct ntvfs_request *req, union smb_read *io)
 192 {
 193         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 194         if (!ntvfs->ops->read_fn) {
 195                 return NT_STATUS_NOT_IMPLEMENTED;
 196         }
 197         return ntvfs->ops->read_fn(ntvfs, req, io);
 198 }
 199
 200 NTSTATUS ntvfs_write(struct ntvfs_request *req, union smb_write *io)
 201 {
 202         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 203         if (!ntvfs->ops->write_fn) {
 204                 return NT_STATUS_NOT_IMPLEMENTED;
 205         }
 206         return ntvfs->ops->write_fn(ntvfs, req, io);
 207 }
 208
 209 NTSTATUS ntvfs_seek(struct ntvfs_request *req, union smb_seek *io)
 210 {
 211         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 212         if (!ntvfs->ops->seek_fn) {
 213                 return NT_STATUS_NOT_IMPLEMENTED;
 214         }
 215         return ntvfs->ops->seek_fn(ntvfs, req, io);
 216 }
 217
 218 NTSTATUS ntvfs_flush(struct ntvfs_request *req,
 219                               union smb_flush *flush)
 220 {
 221         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 222         if (!ntvfs->ops->flush_fn) {
 223                 return NT_STATUS_NOT_IMPLEMENTED;
 224         }
 225         return ntvfs->ops->flush_fn(ntvfs, req, flush);
 226 }
 227
 228 NTSTATUS ntvfs_lock(struct ntvfs_request *req, union smb_lock *lck)
 229 {
 230         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 231         if (!ntvfs->ops->lock_fn) {
 232                 return NT_STATUS_NOT_IMPLEMENTED;
 233         }
 234         return ntvfs->ops->lock_fn(ntvfs, req, lck);
 235 }
 236
 237 NTSTATUS ntvfs_qfileinfo(struct ntvfs_request *req, union smb_fileinfo *info)
 238 {
 239         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 240         if (!ntvfs->ops->qfileinfo_fn) {
 241                 return NT_STATUS_NOT_IMPLEMENTED;
 242         }
 243         return ntvfs->ops->qfileinfo_fn(ntvfs, req, info);
 244 }
 245
 246 NTSTATUS ntvfs_setfileinfo(struct ntvfs_request *req, union smb_setfileinfo *info)
 247 {
 248         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 249         if (!ntvfs->ops->setfileinfo_fn) {
 250                 return NT_STATUS_NOT_IMPLEMENTED;
 251         }
 252         return ntvfs->ops->setfileinfo_fn(ntvfs, req, info);
 253 }
 254
 255 NTSTATUS ntvfs_close(struct ntvfs_request *req, union smb_close *io)
 256 {
 257         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 258         if (!ntvfs->ops->close_fn) {
 259                 return NT_STATUS_NOT_IMPLEMENTED;
 260         }
 261         return ntvfs->ops->close_fn(ntvfs, req, io);
 262 }
 263
 264 /* trans interface - used by IPC backend for pipes and RAP calls */
 265 NTSTATUS ntvfs_trans(struct ntvfs_request *req, struct smb_trans2 *trans)
 266 {
 267         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 268         if (!ntvfs->ops->trans_fn) {
 269                 return NT_STATUS_NOT_IMPLEMENTED;
 270         }
 271         return ntvfs->ops->trans_fn(ntvfs, req, trans);
 272 }
 273
 274 /* trans2 interface - only used by CIFS backend to prover complete passthru for testing */
 275 NTSTATUS ntvfs_trans2(struct ntvfs_request *req, struct smb_trans2 *trans2)
 276 {
 277         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 278         if (!ntvfs->ops->trans2_fn) {
 279                 return NT_STATUS_NOT_IMPLEMENTED;
 280         }
 281         return ntvfs->ops->trans2_fn(ntvfs, req, trans2);
 282 }
 283
 284 /* printing specific operations */
 285 NTSTATUS ntvfs_lpq(struct ntvfs_request *req, union smb_lpq *lpq)
 286 {
 287         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 288         if (!ntvfs->ops->lpq_fn) {
 289                 return NT_STATUS_NOT_IMPLEMENTED;
 290         }
 291         return ntvfs->ops->lpq_fn(ntvfs, req, lpq);
 292 }
 293
 294 /* logoff - called when a vuid is closed */
 295 NTSTATUS ntvfs_logoff(struct ntvfs_request *req)
 296 {
 297         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 298         if (!ntvfs->ops->logoff_fn) {
 299                 return NT_STATUS_NOT_IMPLEMENTED;
 300         }
 301         return ntvfs->ops->logoff_fn(ntvfs, req);
 302 }
 303
 304 NTSTATUS ntvfs_exit(struct ntvfs_request *req)
 305 {
 306         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 307         if (!ntvfs->ops->exit_fn) {
 308                 return NT_STATUS_NOT_IMPLEMENTED;
 309         }
 310         return ntvfs->ops->exit_fn(ntvfs, req);
 311 }
 312
 313 /*
 314   change notify request
 315 */
 316 NTSTATUS ntvfs_notify(struct ntvfs_request *req, union smb_notify *info)
 317 {
 318         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 319         if (!ntvfs->ops->notify_fn) {
 320                 return NT_STATUS_NOT_IMPLEMENTED;
 321         }
 322         return ntvfs->ops->notify_fn(ntvfs, req, info);
 323 }
 324
 325 /*
 326   cancel an outstanding async request
 327 */
 328 NTSTATUS ntvfs_cancel(struct ntvfs_request *req)
 329 {
 330         struct ntvfs_module_context *ntvfs = req->ctx->modules;
 331         if (!ntvfs->ops->cancel_fn) {
 332                 return NT_STATUS_NOT_IMPLEMENTED;
 333         }
 334         return ntvfs->ops->cancel_fn(ntvfs, req);
 335 }
 336
 337 /* initial setup */
 338 NTSTATUS ntvfs_next_connect(struct ntvfs_module_context *ntvfs,
 339                                      struct ntvfs_request *req,
 340                                      union smb_tcon *tcon)
 341 {
 342         if (!ntvfs->next || !ntvfs->next->ops->connect_fn) {
 343                 return NT_STATUS_NOT_IMPLEMENTED;
 344         }
 345         return ntvfs->next->ops->connect_fn(ntvfs->next, req, tcon);
 346 }
 347
 348 NTSTATUS ntvfs_next_disconnect(struct ntvfs_module_context *ntvfs)
 349 {
 350         if (!ntvfs->next || !ntvfs->next->ops->disconnect_fn) {
 351                 return NT_STATUS_NOT_IMPLEMENTED;
 352         }
 353         return ntvfs->next->ops->disconnect_fn(ntvfs->next);
 354 }
 355
 356 /* async_setup - called when setting up for a async request */
 357 NTSTATUS ntvfs_next_async_setup(struct ntvfs_module_context *ntvfs,
 358                                          struct ntvfs_request *req,
 359                                          void *private_data)
 360 {
 361         if (!ntvfs->next || !ntvfs->next->ops->async_setup_fn) {
 362                 return NT_STATUS_NOT_IMPLEMENTED;
 363         }
 364         return ntvfs->next->ops->async_setup_fn(ntvfs->next, req, private_data);
 365 }
 366
 367 /* filesystem operations */
 368 NTSTATUS ntvfs_next_fsinfo(struct ntvfs_module_context *ntvfs,
 369                                     struct ntvfs_request *req,
 370                                     union smb_fsinfo *fs)
 371 {
 372         if (!ntvfs->next || !ntvfs->next->ops->fsinfo_fn) {
 373                 return NT_STATUS_NOT_IMPLEMENTED;
 374         }
 375         return ntvfs->next->ops->fsinfo_fn(ntvfs->next, req, fs);
 376 }
 377
 378 /* path operations */
 379 NTSTATUS ntvfs_next_unlink(struct ntvfs_module_context *ntvfs,
 380                                     struct ntvfs_request *req,
 381                                     union smb_unlink *unl)
 382 {
 383         if (!ntvfs->next || !ntvfs->next->ops->unlink_fn) {
 384                 return NT_STATUS_NOT_IMPLEMENTED;
 385         }
 386         return ntvfs->next->ops->unlink_fn(ntvfs->next, req, unl);
 387 }
 388
 389 NTSTATUS ntvfs_next_chkpath(struct ntvfs_module_context *ntvfs,
 390                                      struct ntvfs_request *req,
 391                                      union smb_chkpath *cp)
 392 {
 393         if (!ntvfs->next || !ntvfs->next->ops->chkpath_fn) {
 394                 return NT_STATUS_NOT_IMPLEMENTED;
 395         }
 396         return ntvfs->next->ops->chkpath_fn(ntvfs->next, req, cp);
 397 }
 398
 399 NTSTATUS ntvfs_next_qpathinfo(struct ntvfs_module_context *ntvfs,
 400                                        struct ntvfs_request *req,
 401                                        union smb_fileinfo *st)
 402 {
 403         if (!ntvfs->next || !ntvfs->next->ops->qpathinfo_fn) {
 404                 return NT_STATUS_NOT_IMPLEMENTED;
 405         }
 406         return ntvfs->next->ops->qpathinfo_fn(ntvfs->next, req, st);
 407 }
 408
 409 NTSTATUS ntvfs_next_setpathinfo(struct ntvfs_module_context *ntvfs,
 410                                          struct ntvfs_request *req,
 411                                          union smb_setfileinfo *st)
 412 {
 413         if (!ntvfs->next || !ntvfs->next->ops->setpathinfo_fn) {
 414                 return NT_STATUS_NOT_IMPLEMENTED;
 415         }
 416         return ntvfs->next->ops->setpathinfo_fn(ntvfs->next, req, st);
 417 }
 418
 419 NTSTATUS ntvfs_next_mkdir(struct ntvfs_module_context *ntvfs,
 420                                    struct ntvfs_request *req,
 421                                    union smb_mkdir *md)
 422 {
 423         if (!ntvfs->next || !ntvfs->next->ops->mkdir_fn) {
 424                 return NT_STATUS_NOT_IMPLEMENTED;
 425         }
 426         return ntvfs->next->ops->mkdir_fn(ntvfs->next, req, md);
 427 }
 428
 429 NTSTATUS ntvfs_next_rmdir(struct ntvfs_module_context *ntvfs,
 430                                    struct ntvfs_request *req,
 431                                    struct smb_rmdir *rd)
 432 {
 433         if (!ntvfs->next || !ntvfs->next->ops->rmdir_fn) {
 434                 return NT_STATUS_NOT_IMPLEMENTED;
 435         }
 436         return ntvfs->next->ops->rmdir_fn(ntvfs->next, req, rd);
 437 }
 438
 439 NTSTATUS ntvfs_next_rename(struct ntvfs_module_context *ntvfs,
 440                                     struct ntvfs_request *req,
 441                                     union smb_rename *ren)
 442 {
 443         if (!ntvfs->next || !ntvfs->next->ops->rename_fn) {
 444                 return NT_STATUS_NOT_IMPLEMENTED;
 445         }
 446         return ntvfs->next->ops->rename_fn(ntvfs->next, req, ren);
 447 }
 448
 449 NTSTATUS ntvfs_next_copy(struct ntvfs_module_context *ntvfs,
 450                                   struct ntvfs_request *req,
 451                                   struct smb_copy *cp)
 452 {
 453         if (!ntvfs->next || !ntvfs->next->ops->copy_fn) {
 454                 return NT_STATUS_NOT_IMPLEMENTED;
 455         }
 456         return ntvfs->next->ops->copy_fn(ntvfs->next, req, cp);
 457 }
 458
 459 NTSTATUS ntvfs_next_open(struct ntvfs_module_context *ntvfs,
 460                                   struct ntvfs_request *req,
 461                                   union smb_open *oi)
 462 {
 463         if (!ntvfs->next || !ntvfs->next->ops->open_fn) {
 464                 return NT_STATUS_NOT_IMPLEMENTED;
 465         }
 466         return ntvfs->next->ops->open_fn(ntvfs->next, req, oi);
 467 }
 468
 469
 470 /* directory search */
 471 NTSTATUS ntvfs_next_search_first(struct ntvfs_module_context *ntvfs,
 472                                           struct ntvfs_request *req,
 473                                           union smb_search_first *io, void *private_data,
 474                                           bool (*callback)(void *private_data, const union smb_search_data *file))
 475 {
 476         if (!ntvfs->next || !ntvfs->next->ops->search_first_fn) {
 477                 return NT_STATUS_NOT_IMPLEMENTED;
 478         }
 479         return ntvfs->next->ops->search_first_fn(ntvfs->next, req, io, private_data, callback);
 480 }
 481
 482 NTSTATUS ntvfs_next_search_next(struct ntvfs_module_context *ntvfs,
 483                                          struct ntvfs_request *req,
 484                                          union smb_search_next *io, void *private_data,
 485                                          bool (*callback)(void *private_data, const union smb_search_data *file))
 486 {
 487         if (!ntvfs->next || !ntvfs->next->ops->search_next_fn) {
 488                 return NT_STATUS_NOT_IMPLEMENTED;
 489         }
 490         return ntvfs->next->ops->search_next_fn(ntvfs->next, req, io, private_data, callback);
 491 }
 492
 493 NTSTATUS ntvfs_next_search_close(struct ntvfs_module_context *ntvfs,
 494                                           struct ntvfs_request *req,
 495                                           union smb_search_close *io)
 496 {
 497         if (!ntvfs->next || !ntvfs->next->ops->search_close_fn) {
 498                 return NT_STATUS_NOT_IMPLEMENTED;
 499         }
 500         return ntvfs->next->ops->search_close_fn(ntvfs->next, req, io);
 501 }
 502
 503 /* operations on open files */
 504 NTSTATUS ntvfs_next_ioctl(struct ntvfs_module_context *ntvfs,
 505                                    struct ntvfs_request *req,
 506                                    union smb_ioctl *io)
 507 {
 508         if (!ntvfs->next || !ntvfs->next->ops->ioctl_fn) {
 509                 return NT_STATUS_NOT_IMPLEMENTED;
 510         }
 511         return ntvfs->next->ops->ioctl_fn(ntvfs->next, req, io);
 512 }
 513
 514 NTSTATUS ntvfs_next_read(struct ntvfs_module_context *ntvfs,
 515                                   struct ntvfs_request *req,
 516                                   union smb_read *io)
 517 {
 518         if (!ntvfs->next || !ntvfs->next->ops->read_fn) {
 519                 return NT_STATUS_NOT_IMPLEMENTED;
 520         }
 521         return ntvfs->next->ops->read_fn(ntvfs->next, req, io);
 522 }
 523
 524 NTSTATUS ntvfs_next_write(struct ntvfs_module_context *ntvfs,
 525                                    struct ntvfs_request *req,
 526                                    union smb_write *io)
 527 {
 528         if (!ntvfs->next || !ntvfs->next->ops->write_fn) {
 529                 return NT_STATUS_NOT_IMPLEMENTED;
 530         }
 531         return ntvfs->next->ops->write_fn(ntvfs->next, req, io);
 532 }
 533
 534 NTSTATUS ntvfs_next_seek(struct ntvfs_module_context *ntvfs,
 535                                   struct ntvfs_request *req,
 536                                   union smb_seek *io)
 537 {
 538         if (!ntvfs->next || !ntvfs->next->ops->seek_fn) {
 539                 return NT_STATUS_NOT_IMPLEMENTED;
 540         }
 541         return ntvfs->next->ops->seek_fn(ntvfs->next, req, io);
 542 }
 543
 544 NTSTATUS ntvfs_next_flush(struct ntvfs_module_context *ntvfs,
 545                                    struct ntvfs_request *req,
 546                                    union smb_flush *flush)
 547 {
 548         if (!ntvfs->next || !ntvfs->next->ops->flush_fn) {
 549                 return NT_STATUS_NOT_IMPLEMENTED;
 550         }
 551         return ntvfs->next->ops->flush_fn(ntvfs->next, req, flush);
 552 }
 553
 554 NTSTATUS ntvfs_next_lock(struct ntvfs_module_context *ntvfs,
 555                                   struct ntvfs_request *req,
 556                                   union smb_lock *lck)
 557 {
 558         if (!ntvfs->next || !ntvfs->next->ops->lock_fn) {
 559                 return NT_STATUS_NOT_IMPLEMENTED;
 560         }
 561         return ntvfs->next->ops->lock_fn(ntvfs->next, req, lck);
 562 }
 563
 564 NTSTATUS ntvfs_next_qfileinfo(struct ntvfs_module_context *ntvfs,
 565                                        struct ntvfs_request *req,
 566                                        union smb_fileinfo *info)
 567 {
 568         if (!ntvfs->next || !ntvfs->next->ops->qfileinfo_fn) {
 569                 return NT_STATUS_NOT_IMPLEMENTED;
 570         }
 571         return ntvfs->next->ops->qfileinfo_fn(ntvfs->next, req, info);
 572 }
 573
 574 NTSTATUS ntvfs_next_setfileinfo(struct ntvfs_module_context *ntvfs,
 575                                          struct ntvfs_request *req,
 576                                          union smb_setfileinfo *info)
 577 {
 578         if (!ntvfs->next || !ntvfs->next->ops->setfileinfo_fn) {
 579                 return NT_STATUS_NOT_IMPLEMENTED;
 580         }
 581         return ntvfs->next->ops->setfileinfo_fn(ntvfs->next, req, info);
 582 }
 583
 584 NTSTATUS ntvfs_next_close(struct ntvfs_module_context *ntvfs,
 585                                    struct ntvfs_request *req,
 586                                    union smb_close *io)
 587 {
 588         if (!ntvfs->next || !ntvfs->next->ops->close_fn) {
 589                 return NT_STATUS_NOT_IMPLEMENTED;
 590         }
 591         return ntvfs->next->ops->close_fn(ntvfs->next, req, io);
 592 }
 593
 594 /* trans interface - used by IPC backend for pipes and RAP calls */
 595 NTSTATUS ntvfs_next_trans(struct ntvfs_module_context *ntvfs,
 596                                    struct ntvfs_request *req,
 597                                    struct smb_trans2 *trans)
 598 {
 599         if (!ntvfs->next || !ntvfs->next->ops->trans_fn) {
 600                 return NT_STATUS_NOT_IMPLEMENTED;
 601         }
 602         return ntvfs->next->ops->trans_fn(ntvfs->next, req, trans);
 603 }
 604
 605 /*
 606   change notify request
 607 */
 608 NTSTATUS ntvfs_next_notify(struct ntvfs_module_context *ntvfs,
 609                                     struct ntvfs_request *req,
 610                                     union smb_notify *info)
 611 {
 612         if (!ntvfs->next || !ntvfs->next->ops->notify_fn) {
 613                 return NT_STATUS_NOT_IMPLEMENTED;
 614         }
 615         return ntvfs->next->ops->notify_fn(ntvfs->next, req, info);
 616 }
 617
 618 /* cancel - called to cancel an outstanding async request */
 619 NTSTATUS ntvfs_next_cancel(struct ntvfs_module_context *ntvfs,
 620                                     struct ntvfs_request *req)
 621 {
 622         if (!ntvfs->next || !ntvfs->next->ops->cancel_fn) {
 623                 return NT_STATUS_NOT_IMPLEMENTED;
 624         }
 625         return ntvfs->next->ops->cancel_fn(ntvfs->next, req);
 626 }
 627
 628 /* printing specific operations */
 629 NTSTATUS ntvfs_next_lpq(struct ntvfs_module_context *ntvfs,
 630                                  struct ntvfs_request *req,
 631                                  union smb_lpq *lpq)
 632 {
 633         if (!ntvfs->next || !ntvfs->next->ops->lpq_fn) {
 634                 return NT_STATUS_NOT_IMPLEMENTED;
 635         }
 636         return ntvfs->next->ops->lpq_fn(ntvfs->next, req, lpq);
 637 }
 638
 639
 640 /* logoff - called when a vuid is closed */
 641 NTSTATUS ntvfs_next_logoff(struct ntvfs_module_context *ntvfs,
 642                                     struct ntvfs_request *req)
 643 {
 644         if (!ntvfs->next || !ntvfs->next->ops->logoff_fn) {
 645                 return NT_STATUS_NOT_IMPLEMENTED;
 646         }
 647         return ntvfs->next->ops->logoff_fn(ntvfs->next, req);
 648 }
 649
 650 NTSTATUS ntvfs_next_exit(struct ntvfs_module_context *ntvfs,
 651                                   struct ntvfs_request *req)
 652 {
 653         if (!ntvfs->next || !ntvfs->next->ops->exit_fn) {
 654                 return NT_STATUS_NOT_IMPLEMENTED;
 655         }
 656         return ntvfs->next->ops->exit_fn(ntvfs->next, req);
 657 }
 658
 659 /* client connection callback */
 660 NTSTATUS ntvfs_set_addresses(struct ntvfs_context *ntvfs,
 661                              const struct tsocket_address *local_address,
 662                              const struct tsocket_address *remote_address)
 663 {
 664         ntvfs->client.local_address = tsocket_address_copy(local_address, ntvfs);
 665         NT_STATUS_HAVE_NO_MEMORY(ntvfs->client.local_address);
 666
 667         ntvfs->client.remote_address = tsocket_address_copy(remote_address, ntvfs);
 668         NT_STATUS_HAVE_NO_MEMORY(ntvfs->client.remote_address);
 669
 670         return NT_STATUS_OK;
 671 }
 672
 673 const struct tsocket_address *ntvfs_get_local_address(struct ntvfs_module_context *ntvfs)
 674 {
 675         return ntvfs->ctx->client.local_address;
 676 }
 677
 678 const struct tsocket_address *ntvfs_get_remote_address(struct ntvfs_module_context *ntvfs)
 679 {
 680         return ntvfs->ctx->client.remote_address;
 681 }
 682
 683 /* oplock helpers */
 684 NTSTATUS ntvfs_set_oplock_handler(struct ntvfs_context *ntvfs,
 685                                            NTSTATUS (*handler)(void *private_data, struct ntvfs_handle *handle, uint8_t level),
 686                                            void *private_data)
 687 {
 688         ntvfs->oplock.handler           = handler;
 689         ntvfs->oplock.private_data      = private_data;
 690         return NT_STATUS_OK;
 691 }
 692
 693 NTSTATUS ntvfs_send_oplock_break(struct ntvfs_module_context *ntvfs,
 694                                           struct ntvfs_handle *handle, uint8_t level)
 695 {
 696         if (!ntvfs->ctx->oplock.handler) {
 697                 return NT_STATUS_OK;
 698         }
 699
 700         return ntvfs->ctx->oplock.handler(ntvfs->ctx->oplock.private_data, handle, level);
 701 }
 702