source4/ntptr/ntptr_interface.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    NTPTR interface functions
   5
   6    Copyright (C) Stefan (metze) Metzmacher 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "ntptr/ntptr.h"
  24
  25
  26 /* PrintServer functions */
  27 WERROR ntptr_OpenPrintServer(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
  28                              struct spoolss_OpenPrinterEx *r,
  29                              const char *printer_name,
  30                              struct ntptr_GenericHandle **server)
  31 {
  32         if (!ntptr->ops->OpenPrintServer) {
  33                 return WERR_NOT_SUPPORTED;
  34         }
  35         return ntptr->ops->OpenPrintServer(ntptr, mem_ctx, r, printer_name, server);
  36 }
  37
  38 WERROR ntptr_XcvDataPrintServer(struct ntptr_GenericHandle *server, TALLOC_CTX *mem_ctx,
  39                                 struct spoolss_XcvData *r)
  40 {
  41         if (server->type != NTPTR_HANDLE_SERVER) {
  42                 return WERR_FOOBAR;
  43         }
  44         if (!server->ntptr->ops->XcvDataPrintServer) {
  45                 return WERR_NOT_SUPPORTED;
  46         }
  47         return server->ntptr->ops->XcvDataPrintServer(server, mem_ctx, r);
  48 }
  49
  50
  51 /* PrintServer PrinterData functions */
  52 WERROR ntptr_EnumPrintServerData(struct ntptr_GenericHandle *server, TALLOC_CTX *mem_ctx,
  53                                  struct spoolss_EnumPrinterData *r)
  54 {
  55         if (server->type != NTPTR_HANDLE_SERVER) {
  56                 return WERR_FOOBAR;
  57         }
  58         if (!server->ntptr->ops->EnumPrintServerData) {
  59                 return WERR_NOT_SUPPORTED;
  60         }
  61         return server->ntptr->ops->EnumPrintServerData(server, mem_ctx, r);
  62 }
  63
  64 WERROR ntptr_GetPrintServerData(struct ntptr_GenericHandle *server, TALLOC_CTX *mem_ctx,
  65                                 struct spoolss_GetPrinterData *r)
  66 {
  67         if (server->type != NTPTR_HANDLE_SERVER) {
  68                 return WERR_FOOBAR;
  69         }
  70         if (!server->ntptr->ops->GetPrintServerData) {
  71                 return WERR_NOT_SUPPORTED;
  72         }
  73         return server->ntptr->ops->GetPrintServerData(server, mem_ctx, r);
  74 }
  75
  76 WERROR ntptr_SetPrintServerData(struct ntptr_GenericHandle *server, TALLOC_CTX *mem_ctx,
  77                                 struct spoolss_SetPrinterData *r)
  78 {
  79         if (server->type != NTPTR_HANDLE_SERVER) {
  80                 return WERR_FOOBAR;
  81         }
  82         if (!server->ntptr->ops->SetPrintServerData) {
  83                 return WERR_NOT_SUPPORTED;
  84         }
  85         return server->ntptr->ops->SetPrintServerData(server, mem_ctx, r);
  86 }
  87
  88 WERROR ntptr_DeletePrintServerData(struct ntptr_GenericHandle *server, TALLOC_CTX *mem_ctx,
  89                                    struct spoolss_DeletePrinterData *r)
  90 {
  91         if (server->type != NTPTR_HANDLE_SERVER) {
  92                 return WERR_FOOBAR;
  93         }
  94         if (!server->ntptr->ops->DeletePrintServerData) {
  95                 return WERR_NOT_SUPPORTED;
  96         }
  97         return server->ntptr->ops->DeletePrintServerData(server, mem_ctx, r);
  98 }
  99
 100
 101 /* PrintServer Form functions */
 102 WERROR ntptr_EnumPrintServerForms(struct ntptr_GenericHandle *server, TALLOC_CTX *mem_ctx,
 103                                   struct spoolss_EnumForms *r)
 104 {
 105         if (server->type != NTPTR_HANDLE_SERVER) {
 106                 return WERR_FOOBAR;
 107         }
 108         if (!server->ntptr->ops->EnumPrintServerForms) {
 109                 return WERR_NOT_SUPPORTED;
 110         }
 111         return server->ntptr->ops->EnumPrintServerForms(server, mem_ctx, r);
 112 }
 113
 114 WERROR ntptr_AddPrintServerForm(struct ntptr_GenericHandle *server, TALLOC_CTX *mem_ctx,
 115                                 struct spoolss_AddForm *r)
 116 {
 117         if (server->type != NTPTR_HANDLE_SERVER) {
 118                 return WERR_FOOBAR;
 119         }
 120         if (!server->ntptr->ops->AddPrintServerForm) {
 121                 return WERR_NOT_SUPPORTED;
 122         }
 123         return server->ntptr->ops->AddPrintServerForm(server, mem_ctx, r);
 124 }
 125
 126 WERROR ntptr_SetPrintServerForm(struct ntptr_GenericHandle *server, TALLOC_CTX *mem_ctx,
 127                                 struct spoolss_SetForm *r)
 128 {
 129         if (server->type != NTPTR_HANDLE_SERVER) {
 130                 return WERR_FOOBAR;
 131         }
 132         if (!server->ntptr->ops->SetPrintServerForm) {
 133                 return WERR_NOT_SUPPORTED;
 134         }
 135         return server->ntptr->ops->SetPrintServerForm(server, mem_ctx, r);
 136 }
 137
 138 WERROR ntptr_DeletePrintServerForm(struct ntptr_GenericHandle *server, TALLOC_CTX *mem_ctx,
 139                                    struct spoolss_DeleteForm *r)
 140 {
 141         if (server->type != NTPTR_HANDLE_SERVER) {
 142                 return WERR_FOOBAR;
 143         }
 144         if (!server->ntptr->ops->DeletePrintServerForm) {
 145                 return WERR_NOT_SUPPORTED;
 146         }
 147         return server->ntptr->ops->DeletePrintServerForm(server, mem_ctx, r);
 148 }
 149
 150
 151 /* PrintServer Driver functions */
 152 WERROR ntptr_EnumPrinterDrivers(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 153                                 struct spoolss_EnumPrinterDrivers *r)
 154 {
 155         if (!ntptr->ops->EnumPrinterDrivers) {
 156                 return WERR_NOT_SUPPORTED;
 157         }
 158         return ntptr->ops->EnumPrinterDrivers(ntptr, mem_ctx, r);
 159 }
 160
 161 WERROR ntptr_AddPrinterDriver(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 162                               struct spoolss_AddPrinterDriver *r)
 163 {
 164         if (!ntptr->ops->AddPrinterDriver) {
 165                 return WERR_NOT_SUPPORTED;
 166         }
 167         return ntptr->ops->AddPrinterDriver(ntptr, mem_ctx, r);
 168 }
 169
 170 WERROR ntptr_DeletePrinterDriver(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 171                                  struct spoolss_DeletePrinterDriver *r)
 172 {
 173         if (!ntptr->ops->DeletePrinterDriver) {
 174                 return WERR_NOT_SUPPORTED;
 175         }
 176         return ntptr->ops->DeletePrinterDriver(ntptr, mem_ctx, r);
 177 }
 178
 179 WERROR ntptr_GetPrinterDriverDirectory(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 180                                  struct spoolss_GetPrinterDriverDirectory *r)
 181 {
 182         if (!ntptr->ops->GetPrinterDriverDirectory) {
 183                 return WERR_NOT_SUPPORTED;
 184         }
 185         return ntptr->ops->GetPrinterDriverDirectory(ntptr, mem_ctx, r);
 186 }
 187
 188
 189 /* Port functions */
 190 WERROR ntptr_EnumPorts(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 191                        struct spoolss_EnumPorts *r)
 192 {
 193         if (!ntptr->ops->EnumPorts) {
 194                 return WERR_NOT_SUPPORTED;
 195         }
 196         return ntptr->ops->EnumPorts(ntptr, mem_ctx, r);
 197 }
 198
 199 WERROR ntptr_OpenPort(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 200                       struct spoolss_OpenPrinterEx *r,
 201                       const char *port_name,
 202                       struct ntptr_GenericHandle **port)
 203 {
 204         if (!ntptr->ops->OpenPort) {
 205                 return WERR_NOT_SUPPORTED;
 206         }
 207         return ntptr->ops->OpenPort(ntptr, mem_ctx, r, port_name, port);
 208 }
 209
 210 WERROR ntptr_XcvDataPort(struct ntptr_GenericHandle *port, TALLOC_CTX *mem_ctx,
 211                          struct spoolss_XcvData *r)
 212 {
 213         if (port->type != NTPTR_HANDLE_PORT) {
 214                 return WERR_FOOBAR;
 215         }
 216         if (!port->ntptr->ops->XcvDataPort) {
 217                 return WERR_NOT_SUPPORTED;
 218         }
 219         return port->ntptr->ops->XcvDataPort(port, mem_ctx, r);
 220 }
 221
 222 /* Monitor functions */
 223 WERROR ntptr_EnumMonitors(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 224                           struct spoolss_EnumMonitors *r)
 225 {
 226         if (!ntptr->ops->EnumMonitors) {
 227                 return WERR_NOT_SUPPORTED;
 228         }
 229         return ntptr->ops->EnumMonitors(ntptr, mem_ctx, r);
 230 }
 231
 232 WERROR ntptr_OpenMonitor(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 233                          struct spoolss_OpenPrinterEx *r,
 234                          const char *monitor_name,
 235                          struct ntptr_GenericHandle **monitor)
 236 {
 237         if (!ntptr->ops->OpenMonitor) {
 238                 return WERR_NOT_SUPPORTED;
 239         }
 240         return ntptr->ops->OpenMonitor(ntptr, mem_ctx, r, monitor_name, monitor);
 241 }
 242
 243 WERROR ntptr_XcvDataMonitor(struct ntptr_GenericHandle *monitor, TALLOC_CTX *mem_ctx,
 244                             struct spoolss_XcvData *r)
 245 {
 246         if (monitor->type != NTPTR_HANDLE_MONITOR) {
 247                 return WERR_FOOBAR;
 248         }
 249         if (!monitor->ntptr->ops->XcvDataMonitor) {
 250                 return WERR_NOT_SUPPORTED;
 251         }
 252         return monitor->ntptr->ops->XcvDataMonitor(monitor, mem_ctx, r);
 253 }
 254
 255
 256 /* PrintProcessor functions */
 257 WERROR ntptr_EnumPrintProcessors(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 258                                  struct spoolss_EnumPrintProcessors *r)
 259 {
 260         if (!ntptr->ops->EnumPrintProcessors) {
 261                 return WERR_NOT_SUPPORTED;
 262         }
 263         return ntptr->ops->EnumPrintProcessors(ntptr, mem_ctx, r);
 264 }
 265
 266
 267 /* Printer functions */
 268 WERROR ntptr_EnumPrinters(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 269                           struct spoolss_EnumPrinters *r)
 270 {
 271         if (!ntptr->ops->EnumPrinters) {
 272                 return WERR_NOT_SUPPORTED;
 273         }
 274         return ntptr->ops->EnumPrinters(ntptr, mem_ctx, r);
 275 }
 276
 277 WERROR ntptr_OpenPrinter(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 278                          struct spoolss_OpenPrinterEx *r,
 279                          const char *printer_name,
 280                          struct ntptr_GenericHandle **printer)
 281 {
 282         if (!ntptr->ops->OpenPrinter) {
 283                 return WERR_NOT_SUPPORTED;
 284         }
 285         return ntptr->ops->OpenPrinter(ntptr, mem_ctx, r, printer_name, printer);
 286 }
 287
 288 WERROR ntptr_AddPrinter(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 289                         struct spoolss_AddPrinter *r,
 290                         struct ntptr_GenericHandle **printer)
 291 {
 292         if (!ntptr->ops->AddPrinter) {
 293                 return WERR_NOT_SUPPORTED;
 294         }
 295         return ntptr->ops->AddPrinter(ntptr, mem_ctx, r, printer);
 296 }
 297
 298 WERROR ntptr_GetPrinter(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 299                         struct spoolss_GetPrinter *r)
 300 {
 301         if (!ntptr->ops->GetPrinter) {
 302                 return WERR_NOT_SUPPORTED;
 303         }
 304         return ntptr->ops->GetPrinter(ntptr, mem_ctx, r);
 305 }
 306
 307 WERROR ntptr_SetPrinter(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 308                         struct spoolss_SetPrinter *r)
 309 {
 310         if (!ntptr->ops->SetPrinter) {
 311                 return WERR_NOT_SUPPORTED;
 312         }
 313         return ntptr->ops->SetPrinter(ntptr, mem_ctx, r);
 314 }
 315
 316 WERROR ntptr_DeletePrinter(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 317                            struct spoolss_DeletePrinter *r)
 318 {
 319         if (!ntptr->ops->DeletePrinter) {
 320                 return WERR_NOT_SUPPORTED;
 321         }
 322         return ntptr->ops->DeletePrinter(ntptr, mem_ctx, r);
 323 }
 324
 325 WERROR ntptr_XcvDataPrinter(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 326                             struct spoolss_XcvData *r)
 327 {
 328         if (printer->type != NTPTR_HANDLE_PRINTER) {
 329                 return WERR_FOOBAR;
 330         }
 331         if (!printer->ntptr->ops->XcvDataPrinter) {
 332                 return WERR_NOT_SUPPORTED;
 333         }
 334         return printer->ntptr->ops->XcvDataPrinter(printer, mem_ctx, r);
 335 }
 336
 337
 338 /* Printer Driver functions */
 339 WERROR ntptr_GetPrinterDriver(struct ntptr_context *ntptr, TALLOC_CTX *mem_ctx,
 340                               struct spoolss_GetPrinterDriver *r)
 341 {
 342         if (!ntptr->ops->GetPrinterDriver) {
 343                 return WERR_NOT_SUPPORTED;
 344         }
 345         return ntptr->ops->GetPrinterDriver(ntptr, mem_ctx, r);
 346 }
 347
 348
 349 /* Printer PrinterData functions */
 350 WERROR ntptr_EnumPrinterData(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 351                              struct spoolss_EnumPrinterData *r)
 352 {
 353         if (printer->type != NTPTR_HANDLE_PRINTER) {
 354                 return WERR_FOOBAR;
 355         }
 356         if (!printer->ntptr->ops->EnumPrinterData) {
 357                 return WERR_NOT_SUPPORTED;
 358         }
 359         return printer->ntptr->ops->EnumPrinterData(printer, mem_ctx, r);
 360 }
 361
 362 WERROR ntptr_GetPrinterData(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 363                             struct spoolss_GetPrinterData *r)
 364 {
 365         if (printer->type != NTPTR_HANDLE_PRINTER) {
 366                 return WERR_FOOBAR;
 367         }
 368         if (!printer->ntptr->ops->GetPrinterData) {
 369                 return WERR_NOT_SUPPORTED;
 370         }
 371         return printer->ntptr->ops->GetPrinterData(printer, mem_ctx, r);
 372 }
 373
 374 WERROR ntptr_SetPrinterData(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 375                             struct spoolss_SetPrinterData *r)
 376 {
 377         if (printer->type != NTPTR_HANDLE_PRINTER) {
 378                 return WERR_FOOBAR;
 379         }
 380         if (!printer->ntptr->ops->SetPrinterData) {
 381                 return WERR_NOT_SUPPORTED;
 382         }
 383         return printer->ntptr->ops->SetPrinterData(printer, mem_ctx, r);
 384 }
 385
 386 WERROR ntptr_DeletePrinterData(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 387                                struct spoolss_DeletePrinterData *r)
 388 {
 389         if (printer->type != NTPTR_HANDLE_PRINTER) {
 390                 return WERR_FOOBAR;
 391         }
 392         if (!printer->ntptr->ops->DeletePrinterData) {
 393                 return WERR_NOT_SUPPORTED;
 394         }
 395         return printer->ntptr->ops->DeletePrinterData(printer, mem_ctx, r);
 396 }
 397
 398
 399 /* Printer Form functions */
 400 WERROR ntptr_EnumPrinterForms(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 401                               struct spoolss_EnumForms *r)
 402 {
 403         if (printer->type != NTPTR_HANDLE_PRINTER) {
 404                 return WERR_FOOBAR;
 405         }
 406         if (!printer->ntptr->ops->EnumPrinterForms) {
 407                 return WERR_NOT_SUPPORTED;
 408         }
 409         return printer->ntptr->ops->EnumPrinterForms(printer, mem_ctx, r);
 410 }
 411
 412 WERROR ntptr_AddPrinterForm(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 413                             struct spoolss_AddForm *r)
 414 {
 415         if (printer->type != NTPTR_HANDLE_PRINTER) {
 416                 return WERR_FOOBAR;
 417         }
 418         if (!printer->ntptr->ops->AddPrinterForm) {
 419                 return WERR_NOT_SUPPORTED;
 420         }
 421         return printer->ntptr->ops->AddPrinterForm(printer, mem_ctx, r);
 422 }
 423
 424 WERROR ntptr_GetPrinterForm(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 425                             struct spoolss_GetForm *r)
 426 {
 427         if (printer->type != NTPTR_HANDLE_PRINTER) {
 428                 return WERR_FOOBAR;
 429         }
 430         if (!printer->ntptr->ops->GetPrinterForm) {
 431                 return WERR_NOT_SUPPORTED;
 432         }
 433         return printer->ntptr->ops->GetPrinterForm(printer, mem_ctx, r);
 434 }
 435
 436 WERROR ntptr_SetPrinterForm(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 437                             struct spoolss_SetForm *r)
 438 {
 439         if (printer->type != NTPTR_HANDLE_PRINTER) {
 440                 return WERR_FOOBAR;
 441         }
 442         if (!printer->ntptr->ops->SetPrinterForm) {
 443                 return WERR_NOT_SUPPORTED;
 444         }
 445         return printer->ntptr->ops->SetPrinterForm(printer, mem_ctx, r);
 446 }
 447
 448 WERROR ntptr_DeletePrinterForm(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 449                                struct spoolss_DeleteForm *r)
 450 {
 451         if (printer->type != NTPTR_HANDLE_PRINTER) {
 452                 return WERR_FOOBAR;
 453         }
 454         if (!printer->ntptr->ops->DeletePrinterForm) {
 455                 return WERR_NOT_SUPPORTED;
 456         }
 457         return printer->ntptr->ops->DeletePrinterForm(printer, mem_ctx, r);
 458 }
 459
 460
 461 /* Printer Job functions */
 462 WERROR ntptr_EnumJobs(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 463                       struct spoolss_EnumJobs *r)
 464 {
 465         if (printer->type != NTPTR_HANDLE_PRINTER) {
 466                 return WERR_FOOBAR;
 467         }
 468         if (!printer->ntptr->ops->EnumJobs) {
 469                 return WERR_NOT_SUPPORTED;
 470         }
 471         return printer->ntptr->ops->EnumJobs(printer, mem_ctx, r);
 472 }
 473
 474 WERROR ntptr_AddJob(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 475                     struct spoolss_AddJob *r)
 476 {
 477         if (printer->type != NTPTR_HANDLE_PRINTER) {
 478                 return WERR_FOOBAR;
 479         }
 480         if (!printer->ntptr->ops->AddJob) {
 481                 return WERR_NOT_SUPPORTED;
 482         }
 483         return printer->ntptr->ops->AddJob(printer, mem_ctx, r);
 484 }
 485
 486 WERROR ntptr_ScheduleJob(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 487                          struct spoolss_ScheduleJob *r)
 488 {
 489         if (printer->type != NTPTR_HANDLE_PRINTER) {
 490                 return WERR_FOOBAR;
 491         }
 492         if (!printer->ntptr->ops->ScheduleJob) {
 493                 return WERR_NOT_SUPPORTED;
 494         }
 495         return printer->ntptr->ops->ScheduleJob(printer, mem_ctx, r);
 496 }
 497
 498 WERROR ntptr_GetJob(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 499                     struct spoolss_GetJob *r)
 500 {
 501         if (printer->type != NTPTR_HANDLE_PRINTER) {
 502                 return WERR_FOOBAR;
 503         }
 504         if (!printer->ntptr->ops->GetJob) {
 505                 return WERR_NOT_SUPPORTED;
 506         }
 507         return printer->ntptr->ops->GetJob(printer, mem_ctx, r);
 508 }
 509
 510 WERROR ntptr_SetJob(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 511                     struct spoolss_SetJob *r)
 512 {
 513         if (printer->type != NTPTR_HANDLE_PRINTER) {
 514                 return WERR_FOOBAR;
 515         }
 516         if (!printer->ntptr->ops->SetJob) {
 517                 return WERR_NOT_SUPPORTED;
 518         }
 519         return printer->ntptr->ops->SetJob(printer, mem_ctx, r);
 520 }
 521
 522
 523 /* Printer Printing functions */
 524 WERROR ntptr_StartDocPrinter(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 525                              struct spoolss_StartDocPrinter *r)
 526 {
 527         if (printer->type != NTPTR_HANDLE_PRINTER) {
 528                 return WERR_FOOBAR;
 529         }
 530         if (!printer->ntptr->ops->StartDocPrinter) {
 531                 return WERR_NOT_SUPPORTED;
 532         }
 533         return printer->ntptr->ops->StartDocPrinter(printer, mem_ctx, r);
 534 }
 535
 536 WERROR ntptr_EndDocPrinter(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 537                            struct spoolss_EndDocPrinter *r)
 538 {
 539         if (printer->type != NTPTR_HANDLE_PRINTER) {
 540                 return WERR_FOOBAR;
 541         }
 542         if (!printer->ntptr->ops->EndDocPrinter) {
 543                 return WERR_NOT_SUPPORTED;
 544         }
 545         return printer->ntptr->ops->EndDocPrinter(printer, mem_ctx, r);
 546 }
 547
 548 WERROR ntptr_StartPagePrinter(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 549                               struct spoolss_StartPagePrinter *r)
 550 {
 551         if (printer->type != NTPTR_HANDLE_PRINTER) {
 552                 return WERR_FOOBAR;
 553         }
 554         if (!printer->ntptr->ops->StartPagePrinter) {
 555                 return WERR_NOT_SUPPORTED;
 556         }
 557         return printer->ntptr->ops->StartPagePrinter(printer, mem_ctx, r);
 558 }
 559
 560 WERROR ntptr_EndPagePrinter(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 561                             struct spoolss_EndPagePrinter *r)
 562 {
 563         if (printer->type != NTPTR_HANDLE_PRINTER) {
 564                 return WERR_FOOBAR;
 565         }
 566         if (!printer->ntptr->ops->EndPagePrinter) {
 567                 return WERR_NOT_SUPPORTED;
 568         }
 569         return printer->ntptr->ops->EndPagePrinter(printer, mem_ctx, r);
 570 }
 571
 572 WERROR ntptr_WritePrinter(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 573                           struct spoolss_WritePrinter *r)
 574 {
 575         if (printer->type != NTPTR_HANDLE_PRINTER) {
 576                 return WERR_FOOBAR;
 577         }
 578         if (!printer->ntptr->ops->WritePrinter) {
 579                 return WERR_NOT_SUPPORTED;
 580         }
 581         return printer->ntptr->ops->WritePrinter(printer, mem_ctx, r);
 582 }
 583
 584 WERROR ntptr_ReadPrinter(struct ntptr_GenericHandle *printer, TALLOC_CTX *mem_ctx,
 585                          struct spoolss_ReadPrinter *r)
 586 {
 587         if (printer->type != NTPTR_HANDLE_PRINTER) {
 588                 return WERR_FOOBAR;
 589         }
 590         if (!printer->ntptr->ops->ReadPrinter) {
 591                 return WERR_NOT_SUPPORTED;
 592         }
 593         return printer->ntptr->ops->ReadPrinter(printer, mem_ctx, r);
 594 }
 595