source3/rpc_server/spoolss/srv_spoolss_util.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *
   4  *  SPOOLSS RPC Pipe server / winreg client routines
   5  *
   6  *  Copyright (c) 2010      Andreas Schneider <asn@samba.org>
   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 "rpc_server/rpc_ncacn_np.h"
  24 #include "../lib/tsocket/tsocket.h"
  25 #include "../librpc/gen_ndr/ndr_spoolss.h"
  26 #include "../librpc/gen_ndr/ndr_winreg.h"
  27 #include "srv_spoolss_util.h"
  28 #include "rpc_client/cli_winreg_spoolss.h"
  29
  30 WERROR winreg_printer_binding_handle(TALLOC_CTX *mem_ctx,
  31                                      const struct auth_session_info *session_info,
  32                                      struct messaging_context *msg_ctx,
  33                                      struct dcerpc_binding_handle **winreg_binding_handle)
  34 {
  35         struct tsocket_address *local;
  36         NTSTATUS status;
  37         int rc;
  38
  39         rc = tsocket_address_inet_from_strings(mem_ctx,
  40                                                "ip",
  41                                                "127.0.0.1",
  42                                                0,
  43                                                &local);
  44         if (rc < 0) {
  45                 return WERR_NOMEM;
  46         }
  47
  48         status = rpcint_binding_handle(mem_ctx,
  49                                        &ndr_table_winreg,
  50                                        local,
  51                                        session_info,
  52                                        msg_ctx,
  53                                        winreg_binding_handle);
  54         talloc_free(local);
  55         if (!NT_STATUS_IS_OK(status)) {
  56                 DEBUG(0, ("winreg_printer_binding_handle: Could not connect to winreg pipe: %s\n",
  57                           nt_errstr(status)));
  58                 return ntstatus_to_werror(status);
  59         }
  60
  61         return WERR_OK;
  62 }
  63
  64 WERROR winreg_delete_printer_key_internal(TALLOC_CTX *mem_ctx,
  65                                           const struct auth_session_info *session_info,
  66                                           struct messaging_context *msg_ctx,
  67                                           const char *printer,
  68                                           const char *key)
  69 {
  70         WERROR result;
  71         struct dcerpc_binding_handle *b;
  72         TALLOC_CTX *tmp_ctx;
  73
  74         tmp_ctx = talloc_stackframe();
  75         if (tmp_ctx == NULL) {
  76                 return WERR_NOMEM;
  77         }
  78
  79         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
  80         if (!W_ERROR_IS_OK(result)) {
  81                 talloc_free(tmp_ctx);
  82                 return result;
  83         }
  84
  85         result = winreg_delete_printer_key(tmp_ctx,
  86                                            b,
  87                                            printer,
  88                                            key);
  89
  90         talloc_free(tmp_ctx);
  91         return result;
  92 }
  93
  94 WERROR winreg_printer_update_changeid_internal(TALLOC_CTX *mem_ctx,
  95                                                const struct auth_session_info *session_info,
  96                                                struct messaging_context *msg_ctx,
  97                                                const char *printer)
  98 {
  99         WERROR result;
 100         struct dcerpc_binding_handle *b;
 101         TALLOC_CTX *tmp_ctx;
 102
 103         tmp_ctx = talloc_stackframe();
 104         if (tmp_ctx == NULL) {
 105                 return WERR_NOMEM;
 106         }
 107
 108         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 109         if (!W_ERROR_IS_OK(result)) {
 110                 talloc_free(tmp_ctx);
 111                 return result;
 112         }
 113
 114         result = winreg_printer_update_changeid(mem_ctx,
 115                                                 b,
 116                                                 printer);
 117
 118         talloc_free(tmp_ctx);
 119         return result;
 120 }
 121
 122 WERROR winreg_printer_get_changeid_internal(TALLOC_CTX *mem_ctx,
 123                                             const struct auth_session_info *session_info,
 124                                             struct messaging_context *msg_ctx,
 125                                             const char *printer,
 126                                             uint32_t *pchangeid)
 127 {
 128         WERROR result;
 129         struct dcerpc_binding_handle *b;
 130         TALLOC_CTX *tmp_ctx;
 131
 132         tmp_ctx = talloc_stackframe();
 133         if (tmp_ctx == NULL) {
 134                 return WERR_NOMEM;
 135         }
 136
 137         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 138         if (!W_ERROR_IS_OK(result)) {
 139                 talloc_free(tmp_ctx);
 140                 return result;
 141         }
 142
 143         result = winreg_printer_get_changeid(mem_ctx,
 144                                              b,
 145                                              printer,
 146                                              pchangeid);
 147
 148         talloc_free(tmp_ctx);
 149         return result;
 150 }
 151
 152 WERROR winreg_get_printer_internal(TALLOC_CTX *mem_ctx,
 153                                    const struct auth_session_info *session_info,
 154                                    struct messaging_context *msg_ctx,
 155                                    const char *printer,
 156                                    struct spoolss_PrinterInfo2 **pinfo2)
 157 {
 158         WERROR result;
 159         struct dcerpc_binding_handle *b;
 160         TALLOC_CTX *tmp_ctx;
 161
 162         tmp_ctx = talloc_stackframe();
 163         if (tmp_ctx == NULL) {
 164                 return WERR_NOMEM;
 165         }
 166
 167         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 168         if (!W_ERROR_IS_OK(result)) {
 169                 talloc_free(tmp_ctx);
 170                 return result;
 171         }
 172
 173         result = winreg_get_printer(mem_ctx,
 174                                     b,
 175                                     printer,
 176                                     pinfo2);
 177
 178         talloc_free(tmp_ctx);
 179         return result;
 180 }
 181
 182 WERROR winreg_create_printer_internal(TALLOC_CTX *mem_ctx,
 183                                       const struct auth_session_info *session_info,
 184                                       struct messaging_context *msg_ctx,
 185                                       const char *sharename)
 186 {
 187         WERROR result;
 188         struct dcerpc_binding_handle *b;
 189         TALLOC_CTX *tmp_ctx;
 190
 191         tmp_ctx = talloc_stackframe();
 192         if (tmp_ctx == NULL) {
 193                 return WERR_NOMEM;
 194         }
 195
 196         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 197         if (!W_ERROR_IS_OK(result)) {
 198                 talloc_free(tmp_ctx);
 199                 return result;
 200         }
 201
 202         result = winreg_create_printer(mem_ctx,
 203                                        b,
 204                                        sharename);
 205
 206         talloc_free(tmp_ctx);
 207         return result;
 208 }
 209
 210 WERROR winreg_update_printer_internal(TALLOC_CTX *mem_ctx,
 211                                       const struct auth_session_info *session_info,
 212                                       struct messaging_context *msg_ctx,
 213                                       const char *sharename,
 214                                       uint32_t info2_mask,
 215                                       struct spoolss_SetPrinterInfo2 *info2,
 216                                       struct spoolss_DeviceMode *devmode,
 217                                       struct security_descriptor *secdesc)
 218 {
 219         WERROR result;
 220         struct dcerpc_binding_handle *b;
 221         TALLOC_CTX *tmp_ctx;
 222
 223         tmp_ctx = talloc_stackframe();
 224         if (tmp_ctx == NULL) {
 225                 return WERR_NOMEM;
 226         }
 227
 228         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 229         if (!W_ERROR_IS_OK(result)) {
 230                 talloc_free(tmp_ctx);
 231                 return result;
 232         }
 233
 234         result = winreg_update_printer(mem_ctx,
 235                                        b,
 236                                        sharename,
 237                                        info2_mask,
 238                                        info2,
 239                                        devmode,
 240                                        secdesc);
 241
 242         talloc_free(tmp_ctx);
 243         return result;
 244 }
 245
 246 WERROR winreg_set_printer_dataex_internal(TALLOC_CTX *mem_ctx,
 247                                           const struct auth_session_info *session_info,
 248                                           struct messaging_context *msg_ctx,
 249                                           const char *printer,
 250                                           const char *key,
 251                                           const char *value,
 252                                           enum winreg_Type type,
 253                                           uint8_t *data,
 254                                           uint32_t data_size)
 255 {
 256         WERROR result;
 257         struct dcerpc_binding_handle *b;
 258         TALLOC_CTX *tmp_ctx;
 259
 260         tmp_ctx = talloc_stackframe();
 261         if (tmp_ctx == NULL) {
 262                 return WERR_NOMEM;
 263         }
 264
 265         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 266         if (!W_ERROR_IS_OK(result)) {
 267                 talloc_free(tmp_ctx);
 268                 return result;
 269         }
 270
 271         result = winreg_set_printer_dataex(mem_ctx,
 272                                            b,
 273                                            printer,
 274                                            key,
 275                                            value,
 276                                            type,
 277                                            data,
 278                                            data_size);
 279
 280         talloc_free(tmp_ctx);
 281         return result;
 282 }
 283
 284 WERROR winreg_enum_printer_dataex_internal(TALLOC_CTX *mem_ctx,
 285                                            const struct auth_session_info *session_info,
 286                                            struct messaging_context *msg_ctx,
 287                                            const char *printer,
 288                                            const char *key,
 289                                            uint32_t *pnum_values,
 290                                            struct spoolss_PrinterEnumValues **penum_values)
 291 {
 292         WERROR result;
 293         struct dcerpc_binding_handle *b;
 294         TALLOC_CTX *tmp_ctx;
 295
 296         tmp_ctx = talloc_stackframe();
 297         if (tmp_ctx == NULL) {
 298                 return WERR_NOMEM;
 299         }
 300
 301         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 302         if (!W_ERROR_IS_OK(result)) {
 303                 talloc_free(tmp_ctx);
 304                 return result;
 305         }
 306
 307         result = winreg_enum_printer_dataex(mem_ctx,
 308                                             b,
 309                                             printer,
 310                                             key,
 311                                             pnum_values,
 312                                             penum_values);
 313
 314         talloc_free(tmp_ctx);
 315         return result;
 316 }
 317
 318 WERROR winreg_get_printer_dataex_internal(TALLOC_CTX *mem_ctx,
 319                                           const struct auth_session_info *session_info,
 320                                           struct messaging_context *msg_ctx,
 321                                           const char *printer,
 322                                           const char *key,
 323                                           const char *value,
 324                                           enum winreg_Type *type,
 325                                           uint8_t **data,
 326                                           uint32_t *data_size)
 327 {
 328         WERROR result;
 329         struct dcerpc_binding_handle *b;
 330         TALLOC_CTX *tmp_ctx;
 331
 332         tmp_ctx = talloc_stackframe();
 333         if (tmp_ctx == NULL) {
 334                 return WERR_NOMEM;
 335         }
 336
 337         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 338         if (!W_ERROR_IS_OK(result)) {
 339                 talloc_free(tmp_ctx);
 340                 return result;
 341         }
 342
 343         result = winreg_get_printer_dataex(mem_ctx,
 344                                            b,
 345                                            printer,
 346                                            key,
 347                                            value,
 348                                            type,
 349                                            data,
 350                                            data_size);
 351
 352         talloc_free(tmp_ctx);
 353         return result;
 354 }
 355
 356 WERROR winreg_delete_printer_dataex_internal(TALLOC_CTX *mem_ctx,
 357                                              const struct auth_session_info *session_info,
 358                                              struct messaging_context *msg_ctx,
 359                                              const char *printer,
 360                                              const char *key,
 361                                              const char *value)
 362 {
 363         WERROR result;
 364         struct dcerpc_binding_handle *b;
 365         TALLOC_CTX *tmp_ctx;
 366
 367         tmp_ctx = talloc_stackframe();
 368         if (tmp_ctx == NULL) {
 369                 return WERR_NOMEM;
 370         }
 371
 372         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 373         if (!W_ERROR_IS_OK(result)) {
 374                 talloc_free(tmp_ctx);
 375                 return result;
 376         }
 377
 378         result = winreg_delete_printer_dataex(mem_ctx,
 379                                               b,
 380                                               printer,
 381                                               key,
 382                                               value);
 383
 384         talloc_free(tmp_ctx);
 385         return result;
 386 }
 387
 388 WERROR winreg_get_driver_internal(TALLOC_CTX *mem_ctx,
 389                                   const struct auth_session_info *session_info,
 390                                   struct messaging_context *msg_ctx,
 391                                   const char *architecture,
 392                                   const char *driver_name,
 393                                   uint32_t driver_version,
 394                                   struct spoolss_DriverInfo8 **_info8)
 395 {
 396         WERROR result;
 397         struct dcerpc_binding_handle *b;
 398         TALLOC_CTX *tmp_ctx;
 399
 400         tmp_ctx = talloc_stackframe();
 401         if (tmp_ctx == NULL) {
 402                 return WERR_NOMEM;
 403         }
 404
 405         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 406         if (!W_ERROR_IS_OK(result)) {
 407                 talloc_free(tmp_ctx);
 408                 return result;
 409         }
 410
 411         result = winreg_get_driver(mem_ctx,
 412                                    b,
 413                                    architecture,
 414                                    driver_name,
 415                                    driver_version,
 416                                    _info8);
 417
 418         talloc_free(tmp_ctx);
 419         return result;
 420 }
 421
 422 WERROR winreg_get_driver_list_internal(TALLOC_CTX *mem_ctx,
 423                                        const struct auth_session_info *session_info,
 424                                        struct messaging_context *msg_ctx,
 425                                        const char *architecture,
 426                                        uint32_t version,
 427                                        uint32_t *num_drivers,
 428                                        const char ***drivers_p)
 429 {
 430         WERROR result;
 431         struct dcerpc_binding_handle *b;
 432         TALLOC_CTX *tmp_ctx;
 433
 434         tmp_ctx = talloc_stackframe();
 435         if (tmp_ctx == NULL) {
 436                 return WERR_NOMEM;
 437         }
 438
 439         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 440         if (!W_ERROR_IS_OK(result)) {
 441                 talloc_free(tmp_ctx);
 442                 return result;
 443         }
 444
 445         result = winreg_get_driver_list(mem_ctx,
 446                                         b,
 447                                         architecture,
 448                                         version,
 449                                         num_drivers,
 450                                         drivers_p);
 451
 452         talloc_free(tmp_ctx);
 453         return result;
 454 }
 455
 456 WERROR winreg_del_driver_internal(TALLOC_CTX *mem_ctx,
 457                                   const struct auth_session_info *session_info,
 458                                   struct messaging_context *msg_ctx,
 459                                   struct spoolss_DriverInfo8 *info8,
 460                                   uint32_t version)
 461 {
 462         WERROR result;
 463         struct dcerpc_binding_handle *b;
 464         TALLOC_CTX *tmp_ctx;
 465
 466         tmp_ctx = talloc_stackframe();
 467         if (tmp_ctx == NULL) {
 468                 return WERR_NOMEM;
 469         }
 470
 471         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 472         if (!W_ERROR_IS_OK(result)) {
 473                 talloc_free(tmp_ctx);
 474                 return result;
 475         }
 476
 477         result = winreg_del_driver(mem_ctx,
 478                                    b,
 479                                    info8,
 480                                    version);
 481
 482         talloc_free(tmp_ctx);
 483         return result;
 484 }
 485
 486 WERROR winreg_add_driver_internal(TALLOC_CTX *mem_ctx,
 487                                   const struct auth_session_info *session_info,
 488                                   struct messaging_context *msg_ctx,
 489                                   struct spoolss_AddDriverInfoCtr *r,
 490                                   const char **driver_name,
 491                                   uint32_t *driver_version)
 492 {
 493         WERROR result;
 494         struct dcerpc_binding_handle *b;
 495         TALLOC_CTX *tmp_ctx;
 496
 497         tmp_ctx = talloc_stackframe();
 498         if (tmp_ctx == NULL) {
 499                 return WERR_NOMEM;
 500         }
 501
 502         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 503         if (!W_ERROR_IS_OK(result)) {
 504                 talloc_free(tmp_ctx);
 505                 return result;
 506         }
 507
 508         result = winreg_add_driver(mem_ctx,
 509                                    b,
 510                                    r,
 511                                    driver_name,
 512                                    driver_version);
 513
 514         talloc_free(tmp_ctx);
 515         return result;
 516 }
 517
 518 WERROR winreg_get_printer_secdesc_internal(TALLOC_CTX *mem_ctx,
 519                                            const struct auth_session_info *session_info,
 520                                            struct messaging_context *msg_ctx,
 521                                            const char *sharename,
 522                                            struct spoolss_security_descriptor **psecdesc)
 523 {
 524         WERROR result;
 525         struct dcerpc_binding_handle *b;
 526         TALLOC_CTX *tmp_ctx;
 527
 528         tmp_ctx = talloc_stackframe();
 529         if (tmp_ctx == NULL) {
 530                 return WERR_NOMEM;
 531         }
 532
 533         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 534         if (!W_ERROR_IS_OK(result)) {
 535                 talloc_free(tmp_ctx);
 536                 return result;
 537         }
 538
 539         result = winreg_get_printer_secdesc(mem_ctx,
 540                                             b,
 541                                             sharename,
 542                                             psecdesc);
 543
 544         talloc_free(tmp_ctx);
 545         return result;
 546 }
 547
 548 WERROR winreg_set_printer_secdesc_internal(TALLOC_CTX *mem_ctx,
 549                                            const struct auth_session_info *session_info,
 550                                            struct messaging_context *msg_ctx,
 551                                            const char *sharename,
 552                                            const struct spoolss_security_descriptor *secdesc)
 553 {
 554         WERROR result;
 555         struct dcerpc_binding_handle *b;
 556         TALLOC_CTX *tmp_ctx;
 557
 558         tmp_ctx = talloc_stackframe();
 559         if (tmp_ctx == NULL) {
 560                 return WERR_NOMEM;
 561         }
 562
 563         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 564         if (!W_ERROR_IS_OK(result)) {
 565                 talloc_free(tmp_ctx);
 566                 return result;
 567         }
 568
 569         result = winreg_set_printer_secdesc(mem_ctx,
 570                                             b,
 571                                             sharename,
 572                                             secdesc);
 573
 574         talloc_free(tmp_ctx);
 575         return result;
 576 }
 577
 578 WERROR winreg_printer_enumforms1_internal(TALLOC_CTX *mem_ctx,
 579                                           const struct auth_session_info *session_info,
 580                                           struct messaging_context *msg_ctx,
 581                                           uint32_t *pnum_info,
 582                                           union spoolss_FormInfo **pinfo)
 583 {
 584         WERROR result;
 585         struct dcerpc_binding_handle *b;
 586         TALLOC_CTX *tmp_ctx;
 587
 588         tmp_ctx = talloc_stackframe();
 589         if (tmp_ctx == NULL) {
 590                 return WERR_NOMEM;
 591         }
 592
 593         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 594         if (!W_ERROR_IS_OK(result)) {
 595                 talloc_free(tmp_ctx);
 596                 return result;
 597         }
 598
 599         result = winreg_printer_enumforms1(mem_ctx,
 600                                            b,
 601                                            pnum_info,
 602                                            pinfo);
 603
 604         talloc_free(tmp_ctx);
 605         return result;
 606 }
 607
 608 WERROR winreg_printer_getform1_internal(TALLOC_CTX *mem_ctx,
 609                                         const struct auth_session_info *session_info,
 610                                         struct messaging_context *msg_ctx,
 611                                         const char *form_name,
 612                                         struct spoolss_FormInfo1 *r)
 613 {
 614         WERROR result;
 615         struct dcerpc_binding_handle *b;
 616         TALLOC_CTX *tmp_ctx;
 617
 618         tmp_ctx = talloc_stackframe();
 619         if (tmp_ctx == NULL) {
 620                 return WERR_NOMEM;
 621         }
 622
 623         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 624         if (!W_ERROR_IS_OK(result)) {
 625                 talloc_free(tmp_ctx);
 626                 return result;
 627         }
 628
 629         result = winreg_printer_getform1(mem_ctx,
 630                                          b,
 631                                          form_name,
 632                                          r);
 633
 634         talloc_free(tmp_ctx);
 635         return result;
 636 }
 637
 638 WERROR winreg_printer_addform1_internal(TALLOC_CTX *mem_ctx,
 639                                         const struct auth_session_info *session_info,
 640                                         struct messaging_context *msg_ctx,
 641                                         struct spoolss_AddFormInfo1 *form)
 642 {
 643         WERROR result;
 644         struct dcerpc_binding_handle *b;
 645         TALLOC_CTX *tmp_ctx;
 646
 647         tmp_ctx = talloc_stackframe();
 648         if (tmp_ctx == NULL) {
 649                 return WERR_NOMEM;
 650         }
 651
 652         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 653         if (!W_ERROR_IS_OK(result)) {
 654                 talloc_free(tmp_ctx);
 655                 return result;
 656         }
 657
 658         result = winreg_printer_addform1(mem_ctx,
 659                                          b,
 660                                          form);
 661
 662         talloc_free(tmp_ctx);
 663         return result;
 664 }
 665
 666 WERROR winreg_printer_setform1_internal(TALLOC_CTX *mem_ctx,
 667                                         const struct auth_session_info *session_info,
 668                                         struct messaging_context *msg_ctx,
 669                                         const char *form_name,
 670                                         struct spoolss_AddFormInfo1 *form)
 671 {
 672         WERROR result;
 673         struct dcerpc_binding_handle *b;
 674         TALLOC_CTX *tmp_ctx;
 675
 676         tmp_ctx = talloc_stackframe();
 677         if (tmp_ctx == NULL) {
 678                 return WERR_NOMEM;
 679         }
 680
 681         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 682         if (!W_ERROR_IS_OK(result)) {
 683                 talloc_free(tmp_ctx);
 684                 return result;
 685         }
 686
 687         result = winreg_printer_setform1(mem_ctx,
 688                                          b,
 689                                          form_name,
 690                                          form);
 691
 692         talloc_free(tmp_ctx);
 693         return result;
 694 }
 695
 696 WERROR winreg_printer_deleteform1_internal(TALLOC_CTX *mem_ctx,
 697                                            const struct auth_session_info *session_info,
 698                                            struct messaging_context *msg_ctx,
 699                                            const char *form_name)
 700 {
 701         WERROR result;
 702         struct dcerpc_binding_handle *b;
 703         TALLOC_CTX *tmp_ctx;
 704
 705         tmp_ctx = talloc_stackframe();
 706         if (tmp_ctx == NULL) {
 707                 return WERR_NOMEM;
 708         }
 709
 710         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 711         if (!W_ERROR_IS_OK(result)) {
 712                 talloc_free(tmp_ctx);
 713                 return result;
 714         }
 715
 716         result = winreg_printer_deleteform1(mem_ctx,
 717                                             b,
 718                                             form_name);
 719
 720         talloc_free(tmp_ctx);
 721         return result;
 722 }
 723
 724 WERROR winreg_enum_printer_key_internal(TALLOC_CTX *mem_ctx,
 725                                         const struct auth_session_info *session_info,
 726                                         struct messaging_context *msg_ctx,
 727                                         const char *printer,
 728                                         const char *key,
 729                                         uint32_t *pnum_subkeys,
 730                                         const char ***psubkeys)
 731 {
 732         WERROR result;
 733         struct dcerpc_binding_handle *b;
 734         TALLOC_CTX *tmp_ctx;
 735
 736         tmp_ctx = talloc_stackframe();
 737         if (tmp_ctx == NULL) {
 738                 return WERR_NOMEM;
 739         }
 740
 741         result = winreg_printer_binding_handle(tmp_ctx, session_info, msg_ctx, &b);
 742         if (!W_ERROR_IS_OK(result)) {
 743                 talloc_free(tmp_ctx);
 744                 return result;
 745         }
 746
 747         result = winreg_enum_printer_key(mem_ctx,
 748                                          b,
 749                                          printer,
 750                                          key,
 751                                          pnum_subkeys,
 752                                          psubkeys);
 753
 754         talloc_free(tmp_ctx);
 755         return result;
 756 }