source3/printing/nt_printing_ads.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell              1992-2000,
   5  *  Copyright (C) Jean François Micouleau      1998-2000.
   6  *  Copyright (C) Gerald Carter                2002-2005.
   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 "../librpc/gen_ndr/spoolss.h"
  24 #include "rpc_server/spoolss/srv_spoolss_util.h"
  25 #include "nt_printing.h"
  26 #include "ads.h"
  27 #include "secrets.h"
  28 #include "krb5_env.h"
  29 #include "../libcli/registry/util_reg.h"
  30 #include "auth.h"
  31 #include "../librpc/ndr/libndr.h"
  32 #include "rpc_client/cli_winreg_spoolss.h"
  33
  34 #ifdef HAVE_ADS
  35 /*****************************************************************
  36  ****************************************************************/
  37
  38 static void store_printer_guid(struct messaging_context *msg_ctx,
  39                                const char *printer, struct GUID guid)
  40 {
  41         TALLOC_CTX *tmp_ctx;
  42         struct auth_session_info *session_info = NULL;
  43         const char *guid_str;
  44         DATA_BLOB blob;
  45         NTSTATUS status;
  46         WERROR result;
  47
  48         tmp_ctx = talloc_new(NULL);
  49         if (!tmp_ctx) {
  50                 DEBUG(0, ("store_printer_guid: Out of memory?!\n"));
  51                 return;
  52         }
  53
  54         status = make_session_info_system(tmp_ctx, &session_info);
  55         if (!NT_STATUS_IS_OK(status)) {
  56                 DEBUG(0, ("store_printer_guid: "
  57                           "Could not create system session_info\n"));
  58                 goto done;
  59         }
  60
  61         guid_str = GUID_string(tmp_ctx, &guid);
  62         if (!guid_str) {
  63                 DEBUG(0, ("store_printer_guid: Out of memory?!\n"));
  64                 goto done;
  65         }
  66
  67         /* We used to store this as a REG_BINARY but that causes
  68            Vista to whine */
  69
  70         if (!push_reg_sz(tmp_ctx, &blob, guid_str)) {
  71                 DEBUG(0, ("store_printer_guid: "
  72                           "Could not marshall string %s for objectGUID\n",
  73                           guid_str));
  74                 goto done;
  75         }
  76
  77         result = winreg_set_printer_dataex_internal(tmp_ctx, session_info, msg_ctx,
  78                                            printer,
  79                                            SPOOL_DSSPOOLER_KEY, "objectGUID",
  80                                            REG_SZ, blob.data, blob.length);
  81         if (!W_ERROR_IS_OK(result)) {
  82                 DEBUG(0, ("store_printer_guid: "
  83                           "Failed to store GUID for printer %s\n", printer));
  84         }
  85
  86 done:
  87         talloc_free(tmp_ctx);
  88 }
  89
  90 WERROR nt_printer_guid_get(TALLOC_CTX *mem_ctx,
  91                            const struct auth_session_info *session_info,
  92                            struct messaging_context *msg_ctx,
  93                            const char *printer, struct GUID *guid)
  94 {
  95         TALLOC_CTX *tmp_ctx;
  96         enum winreg_Type type;
  97         DATA_BLOB blob;
  98         uint32_t len;
  99         NTSTATUS status;
 100         WERROR result;
 101
 102         tmp_ctx = talloc_new(mem_ctx);
 103         if (tmp_ctx == NULL) {
 104                 DEBUG(0, ("out of memory?!\n"));
 105                 return WERR_NOMEM;
 106         }
 107
 108         result = winreg_get_printer_dataex_internal(tmp_ctx, session_info,
 109                                                     msg_ctx, printer,
 110                                                     SPOOL_DSSPOOLER_KEY,
 111                                                     "objectGUID",
 112                                                     &type,
 113                                                     &blob.data,
 114                                                     &len);
 115         if (!W_ERROR_IS_OK(result)) {
 116                 DEBUG(0, ("Failed to get GUID for printer %s\n", printer));
 117                 goto out_ctx_free;
 118         }
 119         blob.length = (size_t)len;
 120
 121         /* We used to store the guid as REG_BINARY, then swapped
 122            to REG_SZ for Vista compatibility so check for both */
 123
 124         switch (type) {
 125         case REG_SZ: {
 126                 bool ok;
 127                 const char *guid_str;
 128                 ok = pull_reg_sz(tmp_ctx, &blob, &guid_str);
 129                 if (!ok) {
 130                         DEBUG(0, ("Failed to unmarshall GUID for printer %s\n",
 131                                   printer));
 132                         result = WERR_REG_CORRUPT;
 133                         goto out_ctx_free;
 134                 }
 135                 status = GUID_from_string(guid_str, guid);
 136                 if (!NT_STATUS_IS_OK(status)) {
 137                         DEBUG(0, ("bad GUID for printer %s\n", printer));
 138                         result = ntstatus_to_werror(status);
 139                         goto out_ctx_free;
 140                 }
 141                 break;
 142         }
 143         case REG_BINARY:
 144                 if (blob.length != sizeof(struct GUID)) {
 145                         DEBUG(0, ("bad GUID for printer %s\n", printer));
 146                         result = WERR_REG_CORRUPT;
 147                         goto out_ctx_free;
 148                 }
 149                 memcpy(guid, blob.data, sizeof(struct GUID));
 150                 break;
 151         default:
 152                 DEBUG(0,("GUID value stored as invalid type (%d)\n", type));
 153                 result = WERR_REG_CORRUPT;
 154                 goto out_ctx_free;
 155                 break;
 156         }
 157         result = WERR_OK;
 158
 159 out_ctx_free:
 160         talloc_free(tmp_ctx);
 161         return result;
 162 }
 163
 164 static WERROR nt_printer_info_to_mods(TALLOC_CTX *ctx,
 165                                       struct spoolss_PrinterInfo2 *info2,
 166                                       ADS_MODLIST *mods)
 167 {
 168         char *info_str;
 169
 170         ads_mod_str(ctx, mods, SPOOL_REG_PRINTERNAME, info2->sharename);
 171         ads_mod_str(ctx, mods, SPOOL_REG_SHORTSERVERNAME, lp_netbios_name());
 172         ads_mod_str(ctx, mods, SPOOL_REG_SERVERNAME, get_mydnsfullname());
 173
 174         info_str = talloc_asprintf(ctx, "\\\\%s\\%s",
 175                                    get_mydnsfullname(), info2->sharename);
 176         if (info_str == NULL) {
 177                 return WERR_NOMEM;
 178         }
 179         ads_mod_str(ctx, mods, SPOOL_REG_UNCNAME, info_str);
 180
 181         info_str = talloc_asprintf(ctx, "%d", 4);
 182         if (info_str == NULL) {
 183                 return WERR_NOMEM;
 184         }
 185         ads_mod_str(ctx, mods, SPOOL_REG_VERSIONNUMBER, info_str);
 186
 187         /* empty strings in the mods list result in an attrubute error */
 188         if (strlen(info2->drivername) != 0)
 189                 ads_mod_str(ctx, mods, SPOOL_REG_DRIVERNAME, info2->drivername);
 190         if (strlen(info2->location) != 0)
 191                 ads_mod_str(ctx, mods, SPOOL_REG_LOCATION, info2->location);
 192         if (strlen(info2->comment) != 0)
 193                 ads_mod_str(ctx, mods, SPOOL_REG_DESCRIPTION, info2->comment);
 194         if (strlen(info2->portname) != 0)
 195                 ads_mod_str(ctx, mods, SPOOL_REG_PORTNAME, info2->portname);
 196         if (strlen(info2->sepfile) != 0)
 197                 ads_mod_str(ctx, mods, SPOOL_REG_PRINTSEPARATORFILE, info2->sepfile);
 198
 199         info_str = talloc_asprintf(ctx, "%u", info2->starttime);
 200         if (info_str == NULL) {
 201                 return WERR_NOMEM;
 202         }
 203         ads_mod_str(ctx, mods, SPOOL_REG_PRINTSTARTTIME, info_str);
 204
 205         info_str = talloc_asprintf(ctx, "%u", info2->untiltime);
 206         if (info_str == NULL) {
 207                 return WERR_NOMEM;
 208         }
 209         ads_mod_str(ctx, mods, SPOOL_REG_PRINTENDTIME, info_str);
 210
 211         info_str = talloc_asprintf(ctx, "%u", info2->priority);
 212         if (info_str == NULL) {
 213                 return WERR_NOMEM;
 214         }
 215         ads_mod_str(ctx, mods, SPOOL_REG_PRIORITY, info_str);
 216
 217         if (info2->attributes & PRINTER_ATTRIBUTE_KEEPPRINTEDJOBS) {
 218                 ads_mod_str(ctx, mods, SPOOL_REG_PRINTKEEPPRINTEDJOBS, "TRUE");
 219         } else {
 220                 ads_mod_str(ctx, mods, SPOOL_REG_PRINTKEEPPRINTEDJOBS, "FALSE");
 221         }
 222
 223         switch (info2->attributes & 0x3) {
 224         case 0:
 225                 ads_mod_str(ctx, mods, SPOOL_REG_PRINTSPOOLING,
 226                             SPOOL_REGVAL_PRINTWHILESPOOLING);
 227                 break;
 228         case 1:
 229                 ads_mod_str(ctx, mods, SPOOL_REG_PRINTSPOOLING,
 230                             SPOOL_REGVAL_PRINTAFTERSPOOLED);
 231                 break;
 232         case 2:
 233                 ads_mod_str(ctx, mods, SPOOL_REG_PRINTSPOOLING,
 234                             SPOOL_REGVAL_PRINTDIRECT);
 235                 break;
 236         default:
 237                 DEBUG(3, ("unsupported printer attributes %x\n",
 238                           info2->attributes));
 239         }
 240
 241         return WERR_OK;
 242 }
 243
 244 static WERROR nt_printer_publish_ads(struct messaging_context *msg_ctx,
 245                                      ADS_STRUCT *ads,
 246                                      struct spoolss_PrinterInfo2 *pinfo2)
 247 {
 248         ADS_STATUS ads_rc;
 249         LDAPMessage *res;
 250         char *prt_dn = NULL, *srv_dn, *srv_cn_0, *srv_cn_escaped, *sharename_escaped;
 251         char *srv_dn_utf8, **srv_cn_utf8;
 252         TALLOC_CTX *ctx;
 253         ADS_MODLIST mods;
 254         const char *attrs[] = {"objectGUID", NULL};
 255         struct GUID guid;
 256         WERROR win_rc = WERR_OK;
 257         size_t converted_size;
 258         const char *printer = pinfo2->sharename;
 259
 260         /* build the ads mods */
 261         ctx = talloc_init("nt_printer_publish_ads");
 262         if (ctx == NULL) {
 263                 return WERR_NOMEM;
 264         }
 265
 266         DEBUG(5, ("publishing printer %s\n", printer));
 267
 268         /* figure out where to publish */
 269         ads_rc = ads_find_machine_acct(ads, &res, lp_netbios_name());
 270         if (!ADS_ERR_OK(ads_rc)) {
 271                 DEBUG(0, ("failed to find machine account for %s\n",
 272                           lp_netbios_name()));
 273                 TALLOC_FREE(ctx);
 274                 return WERR_NOT_FOUND;
 275         }
 276
 277         /* We use ldap_get_dn here as we need the answer
 278          * in utf8 to call ldap_explode_dn(). JRA. */
 279
 280         srv_dn_utf8 = ldap_get_dn((LDAP *)ads->ldap.ld, (LDAPMessage *)res);
 281         ads_msgfree(ads, res);
 282         if (!srv_dn_utf8) {
 283                 TALLOC_FREE(ctx);
 284                 return WERR_SERVER_UNAVAILABLE;
 285         }
 286         srv_cn_utf8 = ldap_explode_dn(srv_dn_utf8, 1);
 287         if (!srv_cn_utf8) {
 288                 TALLOC_FREE(ctx);
 289                 ldap_memfree(srv_dn_utf8);
 290                 return WERR_SERVER_UNAVAILABLE;
 291         }
 292         /* Now convert to CH_UNIX. */
 293         if (!pull_utf8_talloc(ctx, &srv_dn, srv_dn_utf8, &converted_size)) {
 294                 TALLOC_FREE(ctx);
 295                 ldap_memfree(srv_dn_utf8);
 296                 ldap_memfree(srv_cn_utf8);
 297                 return WERR_SERVER_UNAVAILABLE;
 298         }
 299         if (!pull_utf8_talloc(ctx, &srv_cn_0, srv_cn_utf8[0], &converted_size)) {
 300                 TALLOC_FREE(ctx);
 301                 ldap_memfree(srv_dn_utf8);
 302                 ldap_memfree(srv_cn_utf8);
 303                 TALLOC_FREE(srv_dn);
 304                 return WERR_SERVER_UNAVAILABLE;
 305         }
 306
 307         ldap_memfree(srv_dn_utf8);
 308         ldap_memfree(srv_cn_utf8);
 309
 310         srv_cn_escaped = escape_rdn_val_string_alloc(srv_cn_0);
 311         if (!srv_cn_escaped) {
 312                 TALLOC_FREE(ctx);
 313                 return WERR_SERVER_UNAVAILABLE;
 314         }
 315         sharename_escaped = escape_rdn_val_string_alloc(printer);
 316         if (!sharename_escaped) {
 317                 SAFE_FREE(srv_cn_escaped);
 318                 TALLOC_FREE(ctx);
 319                 return WERR_SERVER_UNAVAILABLE;
 320         }
 321
 322         prt_dn = talloc_asprintf(ctx, "cn=%s-%s,%s", srv_cn_escaped, sharename_escaped, srv_dn);
 323
 324         SAFE_FREE(srv_cn_escaped);
 325         SAFE_FREE(sharename_escaped);
 326
 327         mods = ads_init_mods(ctx);
 328
 329         if (mods == NULL) {
 330                 TALLOC_FREE(ctx);
 331                 return WERR_NOMEM;
 332         }
 333
 334         win_rc = nt_printer_info_to_mods(ctx, pinfo2, &mods);
 335         if (!W_ERROR_IS_OK(win_rc)) {
 336                 TALLOC_FREE(ctx);
 337                 return win_rc;
 338         }
 339
 340         /* publish it */
 341         ads_rc = ads_mod_printer_entry(ads, prt_dn, ctx, &mods);
 342         if (ads_rc.err.rc == LDAP_NO_SUCH_OBJECT) {
 343                 int i;
 344                 for (i=0; mods[i] != 0; i++)
 345                         ;
 346                 mods[i] = (LDAPMod *)-1;
 347                 ads_rc = ads_add_printer_entry(ads, prt_dn, ctx, &mods);
 348         }
 349
 350         if (!ADS_ERR_OK(ads_rc)) {
 351                 DEBUG(3, ("error publishing %s: %s\n",
 352                           printer, ads_errstr(ads_rc)));
 353         }
 354
 355         /* retreive the guid and store it locally */
 356         if (ADS_ERR_OK(ads_search_dn(ads, &res, prt_dn, attrs))) {
 357                 bool guid_ok;
 358                 ZERO_STRUCT(guid);
 359                 guid_ok = ads_pull_guid(ads, res, &guid);
 360                 ads_msgfree(ads, res);
 361                 if (guid_ok) {
 362                         store_printer_guid(msg_ctx, printer, guid);
 363                 }
 364         }
 365         TALLOC_FREE(ctx);
 366
 367         return win_rc;
 368 }
 369
 370 static WERROR nt_printer_unpublish_ads(ADS_STRUCT *ads,
 371                                        const char *printer)
 372 {
 373         ADS_STATUS ads_rc;
 374         LDAPMessage *res = NULL;
 375         char *prt_dn = NULL;
 376
 377         DEBUG(5, ("unpublishing printer %s\n", printer));
 378
 379         /* remove the printer from the directory */
 380         ads_rc = ads_find_printer_on_server(ads, &res,
 381                                             printer, lp_netbios_name());
 382
 383         if (ADS_ERR_OK(ads_rc) && res && ads_count_replies(ads, res)) {
 384                 prt_dn = ads_get_dn(ads, talloc_tos(), res);
 385                 if (!prt_dn) {
 386                         ads_msgfree(ads, res);
 387                         return WERR_NOMEM;
 388                 }
 389                 ads_rc = ads_del_dn(ads, prt_dn);
 390                 TALLOC_FREE(prt_dn);
 391         }
 392
 393         if (res) {
 394                 ads_msgfree(ads, res);
 395         }
 396         return WERR_OK;
 397 }
 398
 399 /****************************************************************************
 400  * Publish a printer in the directory
 401  *
 402  * @param mem_ctx      memory context
 403  * @param session_info  session_info to access winreg pipe
 404  * @param pinfo2       printer information
 405  * @param action       publish/unpublish action
 406  * @return WERROR indicating status of publishing
 407  ***************************************************************************/
 408
 409 WERROR nt_printer_publish(TALLOC_CTX *mem_ctx,
 410                           const struct auth_session_info *session_info,
 411                           struct messaging_context *msg_ctx,
 412                           struct spoolss_PrinterInfo2 *pinfo2,
 413                           int action)
 414 {
 415         uint32_t info2_mask = SPOOLSS_PRINTER_INFO_ATTRIBUTES;
 416         struct spoolss_SetPrinterInfo2 *sinfo2;
 417         ADS_STATUS ads_rc;
 418         ADS_STRUCT *ads = NULL;
 419         WERROR win_rc;
 420         char *old_krb5ccname = NULL;
 421
 422         sinfo2 = talloc_zero(mem_ctx, struct spoolss_SetPrinterInfo2);
 423         if (!sinfo2) {
 424                 return WERR_NOMEM;
 425         }
 426
 427         switch (action) {
 428         case DSPRINT_PUBLISH:
 429         case DSPRINT_UPDATE:
 430                 pinfo2->attributes |= PRINTER_ATTRIBUTE_PUBLISHED;
 431                 break;
 432         case DSPRINT_UNPUBLISH:
 433                 pinfo2->attributes &= (~PRINTER_ATTRIBUTE_PUBLISHED);
 434                 break;
 435         default:
 436                 win_rc = WERR_NOT_SUPPORTED;
 437                 goto done;
 438         }
 439
 440         sinfo2->attributes = pinfo2->attributes;
 441
 442         win_rc = winreg_update_printer_internal(mem_ctx, session_info, msg_ctx,
 443                                         pinfo2->sharename, info2_mask,
 444                                         sinfo2, NULL, NULL);
 445         if (!W_ERROR_IS_OK(win_rc)) {
 446                 DEBUG(3, ("err %d saving data\n", W_ERROR_V(win_rc)));
 447                 goto done;
 448         }
 449
 450         TALLOC_FREE(sinfo2);
 451
 452         ads = ads_init(lp_realm(), lp_workgroup(), NULL);
 453         if (!ads) {
 454                 DEBUG(3, ("ads_init() failed\n"));
 455                 win_rc = WERR_SERVER_UNAVAILABLE;
 456                 goto done;
 457         }
 458         old_krb5ccname = getenv(KRB5_ENV_CCNAME);
 459         setenv(KRB5_ENV_CCNAME, "MEMORY:prtpub_cache", 1);
 460         SAFE_FREE(ads->auth.password);
 461         ads->auth.password = secrets_fetch_machine_password(lp_workgroup(),
 462                 NULL, NULL);
 463
 464         /* ads_connect() will find the DC for us */
 465         ads_rc = ads_connect(ads);
 466         if (!ADS_ERR_OK(ads_rc)) {
 467                 DEBUG(3, ("ads_connect failed: %s\n", ads_errstr(ads_rc)));
 468                 win_rc = WERR_ACCESS_DENIED;
 469                 goto done;
 470         }
 471
 472         switch (action) {
 473         case DSPRINT_PUBLISH:
 474         case DSPRINT_UPDATE:
 475                 win_rc = nt_printer_publish_ads(msg_ctx, ads, pinfo2);
 476                 break;
 477         case DSPRINT_UNPUBLISH:
 478                 win_rc = nt_printer_unpublish_ads(ads, pinfo2->sharename);
 479                 break;
 480         }
 481
 482 done:
 483         ads_destroy(&ads);
 484         ads_kdestroy("MEMORY:prtpub_cache");
 485         unsetenv(KRB5_ENV_CCNAME);
 486         if (old_krb5ccname) {
 487                 setenv(KRB5_ENV_CCNAME, old_krb5ccname, 0);
 488         }
 489         return win_rc;
 490 }
 491
 492 WERROR check_published_printers(struct messaging_context *msg_ctx)
 493 {
 494         ADS_STATUS ads_rc;
 495         ADS_STRUCT *ads = NULL;
 496         int snum;
 497         int n_services = lp_numservices();
 498         TALLOC_CTX *tmp_ctx = NULL;
 499         struct auth_session_info *session_info = NULL;
 500         struct spoolss_PrinterInfo2 *pinfo2;
 501         NTSTATUS status;
 502         WERROR result;
 503         char *old_krb5ccname = NULL;
 504
 505         tmp_ctx = talloc_new(NULL);
 506         if (!tmp_ctx) return WERR_NOMEM;
 507
 508         ads = ads_init(lp_realm(), lp_workgroup(), NULL);
 509         if (!ads) {
 510                 DEBUG(3, ("ads_init() failed\n"));
 511                 return WERR_SERVER_UNAVAILABLE;
 512         }
 513         old_krb5ccname = getenv(KRB5_ENV_CCNAME);
 514         setenv(KRB5_ENV_CCNAME, "MEMORY:prtpub_cache", 1);
 515         SAFE_FREE(ads->auth.password);
 516         ads->auth.password = secrets_fetch_machine_password(lp_workgroup(),
 517                 NULL, NULL);
 518
 519         /* ads_connect() will find the DC for us */
 520         ads_rc = ads_connect(ads);
 521         if (!ADS_ERR_OK(ads_rc)) {
 522                 DEBUG(3, ("ads_connect failed: %s\n", ads_errstr(ads_rc)));
 523                 result = WERR_ACCESS_DENIED;
 524                 goto done;
 525         }
 526
 527         status = make_session_info_system(tmp_ctx, &session_info);
 528         if (!NT_STATUS_IS_OK(status)) {
 529                 DEBUG(0, ("check_published_printers: "
 530                           "Could not create system session_info\n"));
 531                 result = WERR_ACCESS_DENIED;
 532                 goto done;
 533         }
 534
 535         for (snum = 0; snum < n_services; snum++) {
 536                 if (!lp_snum_ok(snum) || !lp_printable(snum)) {
 537                         continue;
 538                 }
 539
 540                 result = winreg_get_printer_internal(tmp_ctx, session_info, msg_ctx,
 541                                             lp_servicename(talloc_tos(), snum),
 542                                             &pinfo2);
 543                 if (!W_ERROR_IS_OK(result)) {
 544                         continue;
 545                 }
 546
 547                 if (pinfo2->attributes & PRINTER_ATTRIBUTE_PUBLISHED) {
 548                         nt_printer_publish_ads(msg_ctx, ads, pinfo2);
 549                 }
 550
 551                 TALLOC_FREE(pinfo2);
 552         }
 553
 554         result = WERR_OK;
 555 done:
 556         ads_destroy(&ads);
 557         ads_kdestroy("MEMORY:prtpub_cache");
 558         unsetenv(KRB5_ENV_CCNAME);
 559         if (old_krb5ccname) {
 560                 setenv(KRB5_ENV_CCNAME, old_krb5ccname, 0);
 561         }
 562         talloc_free(tmp_ctx);
 563         return result;
 564 }
 565
 566 bool is_printer_published(TALLOC_CTX *mem_ctx,
 567                           const struct auth_session_info *session_info,
 568                           struct messaging_context *msg_ctx,
 569                           const char *servername,
 570                           const char *printer,
 571                           struct spoolss_PrinterInfo2 **info2)
 572 {
 573         struct spoolss_PrinterInfo2 *pinfo2 = NULL;
 574         WERROR result;
 575         struct dcerpc_binding_handle *b;
 576
 577         result = winreg_printer_binding_handle(mem_ctx,
 578                                                session_info,
 579                                                msg_ctx,
 580                                                &b);
 581         if (!W_ERROR_IS_OK(result)) {
 582                 return false;
 583         }
 584
 585         result = winreg_get_printer(mem_ctx, b,
 586                                     printer, &pinfo2);
 587         if (!W_ERROR_IS_OK(result)) {
 588                 return false;
 589         }
 590
 591         if (!(pinfo2->attributes & PRINTER_ATTRIBUTE_PUBLISHED)) {
 592                 TALLOC_FREE(pinfo2);
 593                 return false;
 594         }
 595
 596         if (info2) {
 597                 *info2 = talloc_move(mem_ctx, &pinfo2);
 598         }
 599         talloc_free(pinfo2);
 600         return true;
 601 }
 602 #else
 603 WERROR nt_printer_guid_get(TALLOC_CTX *mem_ctx,
 604                            const struct auth_session_info *session_info,
 605                            struct messaging_context *msg_ctx,
 606                            const char *printer, struct GUID *guid)
 607 {
 608         return WERR_NOT_SUPPORTED;
 609 }
 610
 611 WERROR nt_printer_publish(TALLOC_CTX *mem_ctx,
 612                           const struct auth_session_info *session_info,
 613                           struct messaging_context *msg_ctx,
 614                           struct spoolss_PrinterInfo2 *pinfo2,
 615                           int action)
 616 {
 617         return WERR_OK;
 618 }
 619
 620 WERROR check_published_printers(struct messaging_context *msg_ctx)
 621 {
 622         return WERR_OK;
 623 }
 624
 625 bool is_printer_published(TALLOC_CTX *mem_ctx,
 626                           const struct auth_session_info *session_info,
 627                           struct messaging_context *msg_ctx,
 628                           const char *servername,
 629                           const char *printer,
 630                           struct spoolss_PrinterInfo2 **info2)
 631 {
 632         return False;
 633 }
 634 #endif /* HAVE_ADS */