nsswitch/libwbclient/wbc_util.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Winbind client API
   5
   6    Copyright (C) Gerald (Jerry) Carter 2007-2008
   7
   8
   9    This library is free software; you can redistribute it and/or
  10    modify it under the terms of the GNU Lesser General Public
  11    License as published by the Free Software Foundation; either
  12    version 3 of the License, or (at your option) any later version.
  13
  14    This library is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17    Library General Public License for more details.
  18
  19    You should have received a copy of the GNU Lesser General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 /* Required Headers */
  24
  25 #include "replace.h"
  26 #include "libwbclient.h"
  27
  28
  29
  30 /** @brief Ping winbindd to see if the daemon is running
  31  *
  32  * @return #wbcErr
  33  **/
  34
  35 wbcErr wbcPing(void)
  36 {
  37         struct winbindd_request request;
  38         struct winbindd_response response;
  39
  40         /* Initialize request */
  41
  42         ZERO_STRUCT(request);
  43         ZERO_STRUCT(response);
  44
  45         return wbcRequestResponse(WINBINDD_PING, &request, &response);
  46 }
  47
  48 wbcErr wbcInterfaceDetails(struct wbcInterfaceDetails **_details)
  49 {
  50         wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
  51         struct wbcInterfaceDetails *info;
  52         struct wbcDomainInfo *domain = NULL;
  53         struct winbindd_request request;
  54         struct winbindd_response response;
  55
  56         /* Initialize request */
  57
  58         ZERO_STRUCT(request);
  59         ZERO_STRUCT(response);
  60
  61         info = talloc(NULL, struct wbcInterfaceDetails);
  62         BAIL_ON_PTR_ERROR(info, wbc_status);
  63
  64         /* first the interface version */
  65         wbc_status = wbcRequestResponse(WINBINDD_INTERFACE_VERSION, NULL, &response);
  66         BAIL_ON_WBC_ERROR(wbc_status);
  67         info->interface_version = response.data.interface_version;
  68
  69         /* then the samba version and the winbind separator */
  70         wbc_status = wbcRequestResponse(WINBINDD_INFO, NULL, &response);
  71         BAIL_ON_WBC_ERROR(wbc_status);
  72
  73         info->winbind_version = talloc_strdup(info,
  74                                               response.data.info.samba_version);
  75         BAIL_ON_PTR_ERROR(info->winbind_version, wbc_status);
  76         info->winbind_separator = response.data.info.winbind_separator;
  77
  78         /* then the local netbios name */
  79         wbc_status = wbcRequestResponse(WINBINDD_NETBIOS_NAME, NULL, &response);
  80         BAIL_ON_WBC_ERROR(wbc_status);
  81
  82         info->netbios_name = talloc_strdup(info,
  83                                            response.data.netbios_name);
  84         BAIL_ON_PTR_ERROR(info->netbios_name, wbc_status);
  85
  86         /* then the local workgroup name */
  87         wbc_status = wbcRequestResponse(WINBINDD_DOMAIN_NAME, NULL, &response);
  88         BAIL_ON_WBC_ERROR(wbc_status);
  89
  90         info->netbios_domain = talloc_strdup(info,
  91                                         response.data.domain_name);
  92         BAIL_ON_PTR_ERROR(info->netbios_domain, wbc_status);
  93
  94         wbc_status = wbcDomainInfo(info->netbios_domain, &domain);
  95         if (wbc_status == WBC_ERR_DOMAIN_NOT_FOUND) {
  96                 /* maybe it's a standalone server */
  97                 domain = NULL;
  98                 wbc_status = WBC_ERR_SUCCESS;
  99         } else {
 100                 BAIL_ON_WBC_ERROR(wbc_status);
 101         }
 102
 103         if (domain) {
 104                 info->dns_domain = talloc_strdup(info,
 105                                                  domain->dns_name);
 106                 wbcFreeMemory(domain);
 107                 BAIL_ON_PTR_ERROR(info->dns_domain, wbc_status);
 108         } else {
 109                 info->dns_domain = NULL;
 110         }
 111
 112         *_details = info;
 113         info = NULL;
 114
 115         wbc_status = WBC_ERR_SUCCESS;
 116
 117 done:
 118         talloc_free(info);
 119         return wbc_status;
 120 }
 121
 122
 123 /* Lookup the current status of a trusted domain */
 124 wbcErr wbcDomainInfo(const char *domain, struct wbcDomainInfo **dinfo)
 125 {
 126         struct winbindd_request request;
 127         struct winbindd_response response;
 128         wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
 129         struct wbcDomainInfo *info = NULL;
 130
 131         if (!domain || !dinfo) {
 132                 wbc_status = WBC_ERR_INVALID_PARAM;
 133                 BAIL_ON_WBC_ERROR(wbc_status);
 134         }
 135
 136         /* Initialize request */
 137
 138         ZERO_STRUCT(request);
 139         ZERO_STRUCT(response);
 140
 141         strncpy(request.domain_name, domain,
 142                 sizeof(request.domain_name)-1);
 143
 144         wbc_status = wbcRequestResponse(WINBINDD_DOMAIN_INFO,
 145                                         &request,
 146                                         &response);
 147         BAIL_ON_WBC_ERROR(wbc_status);
 148
 149         info = talloc(NULL, struct wbcDomainInfo);
 150         BAIL_ON_PTR_ERROR(info, wbc_status);
 151
 152         info->short_name = talloc_strdup(info,
 153                                          response.data.domain_info.name);
 154         BAIL_ON_PTR_ERROR(info->short_name, wbc_status);
 155
 156         info->dns_name = talloc_strdup(info,
 157                                        response.data.domain_info.alt_name);
 158         BAIL_ON_PTR_ERROR(info->dns_name, wbc_status);
 159
 160         wbc_status = wbcStringToSid(response.data.domain_info.sid,
 161                                     &info->sid);
 162         BAIL_ON_WBC_ERROR(wbc_status);
 163
 164         if (response.data.domain_info.native_mode)
 165                 info->domain_flags |= WBC_DOMINFO_DOMAIN_NATIVE;
 166         if (response.data.domain_info.active_directory)
 167                 info->domain_flags |= WBC_DOMINFO_DOMAIN_AD;
 168         if (response.data.domain_info.primary)
 169                 info->domain_flags |= WBC_DOMINFO_DOMAIN_PRIMARY;
 170
 171         *dinfo = info;
 172
 173         wbc_status = WBC_ERR_SUCCESS;
 174
 175  done:
 176         if (!WBC_ERROR_IS_OK(wbc_status)) {
 177                 talloc_free(info);
 178         }
 179
 180         return wbc_status;
 181 }
 182
 183
 184 /* Resolve a NetbiosName via WINS */
 185 wbcErr wbcResolveWinsByName(const char *name, char **ip)
 186 {
 187         struct winbindd_request request;
 188         struct winbindd_response response;
 189         wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
 190         char *ipaddr;
 191
 192         ZERO_STRUCT(request);
 193         ZERO_STRUCT(response);
 194
 195         /* Send request */
 196
 197         strncpy(request.data.winsreq, name,
 198                 sizeof(request.data.winsreq)-1);
 199
 200         wbc_status = wbcRequestResponse(WINBINDD_WINS_BYNAME,
 201                                         &request,
 202                                         &response);
 203         BAIL_ON_WBC_ERROR(wbc_status);
 204
 205         /* Display response */
 206
 207         ipaddr = talloc_strdup(NULL, response.data.winsresp);
 208         BAIL_ON_PTR_ERROR(ipaddr, wbc_status);
 209
 210         *ip = ipaddr;
 211         wbc_status = WBC_ERR_SUCCESS;
 212
 213  done:
 214         return wbc_status;
 215 }
 216
 217 /* Resolve an IP address via WINS into a NetbiosName */
 218 wbcErr wbcResolveWinsByIP(const char *ip, char **name)
 219 {
 220         struct winbindd_request request;
 221         struct winbindd_response response;
 222         wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
 223         char *name_str;
 224
 225         ZERO_STRUCT(request);
 226         ZERO_STRUCT(response);
 227
 228         /* Send request */
 229
 230         strncpy(request.data.winsreq, ip,
 231                 sizeof(request.data.winsreq)-1);
 232
 233         wbc_status = wbcRequestResponse(WINBINDD_WINS_BYIP,
 234                                         &request,
 235                                         &response);
 236         BAIL_ON_WBC_ERROR(wbc_status);
 237
 238         /* Display response */
 239
 240         name_str = talloc_strdup(NULL, response.data.winsresp);
 241         BAIL_ON_PTR_ERROR(name_str, wbc_status);
 242
 243         *name = name_str;
 244         wbc_status = WBC_ERR_SUCCESS;
 245
 246  done:
 247         return wbc_status;
 248 }
 249
 250 /**
 251  */
 252
 253 static wbcErr process_domain_info_string(TALLOC_CTX *ctx,
 254                                          struct wbcDomainInfo *info,
 255                                          char *info_string)
 256 {
 257         wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
 258         char *r = NULL;
 259         char *s = NULL;
 260
 261         if (!info || !info_string) {
 262                 wbc_status = WBC_ERR_INVALID_PARAM;
 263                 BAIL_ON_WBC_ERROR(wbc_status);
 264         }
 265
 266         r = info_string;
 267
 268         /* Short Name */
 269         if ((s = strchr(r, '\\')) == NULL) {
 270                 wbc_status = WBC_ERR_INVALID_RESPONSE;
 271                 BAIL_ON_WBC_ERROR(wbc_status);
 272         }
 273         *s = '\0';
 274         s++;
 275
 276         info->short_name = talloc_strdup(ctx, r);
 277         BAIL_ON_PTR_ERROR(info->short_name, wbc_status);
 278
 279
 280         /* DNS Name */
 281         r = s;
 282         if ((s = strchr(r, '\\')) == NULL) {
 283                 wbc_status = WBC_ERR_INVALID_RESPONSE;
 284                 BAIL_ON_WBC_ERROR(wbc_status);
 285         }
 286         *s = '\0';
 287         s++;
 288
 289         info->dns_name = talloc_strdup(ctx, r);
 290         BAIL_ON_PTR_ERROR(info->dns_name, wbc_status);
 291
 292         /* SID */
 293         r = s;
 294         if ((s = strchr(r, '\\')) == NULL) {
 295                 wbc_status = WBC_ERR_INVALID_RESPONSE;
 296                 BAIL_ON_WBC_ERROR(wbc_status);
 297         }
 298         *s = '\0';
 299         s++;
 300
 301         wbc_status = wbcStringToSid(r, &info->sid);
 302         BAIL_ON_WBC_ERROR(wbc_status);
 303
 304         /* Trust type */
 305         r = s;
 306         if ((s = strchr(r, '\\')) == NULL) {
 307                 wbc_status = WBC_ERR_INVALID_RESPONSE;
 308                 BAIL_ON_WBC_ERROR(wbc_status);
 309         }
 310         *s = '\0';
 311         s++;
 312
 313         if (strcmp(r, "None") == 0) {
 314                 info->trust_type = WBC_DOMINFO_TRUSTTYPE_NONE;
 315         } else if (strcmp(r, "External") == 0) {
 316                 info->trust_type = WBC_DOMINFO_TRUSTTYPE_EXTERNAL;
 317         } else if (strcmp(r, "Forest") == 0) {
 318                 info->trust_type = WBC_DOMINFO_TRUSTTYPE_FOREST;
 319         } else if (strcmp(r, "In Forest") == 0) {
 320                 info->trust_type = WBC_DOMINFO_TRUSTTYPE_IN_FOREST;
 321         } else {
 322                 wbc_status = WBC_ERR_INVALID_RESPONSE;
 323                 BAIL_ON_WBC_ERROR(wbc_status);
 324         }
 325
 326         /* Transitive */
 327         r = s;
 328         if ((s = strchr(r, '\\')) == NULL) {
 329                 wbc_status = WBC_ERR_INVALID_RESPONSE;
 330                 BAIL_ON_WBC_ERROR(wbc_status);
 331         }
 332         *s = '\0';
 333         s++;
 334
 335         if (strcmp(r, "Yes") == 0) {
 336                 info->trust_flags |= WBC_DOMINFO_TRUST_TRANSITIVE;
 337         }
 338
 339         /* Incoming */
 340         r = s;
 341         if ((s = strchr(r, '\\')) == NULL) {
 342                 wbc_status = WBC_ERR_INVALID_RESPONSE;
 343                 BAIL_ON_WBC_ERROR(wbc_status);
 344         }
 345         *s = '\0';
 346         s++;
 347
 348         if (strcmp(r, "Yes") == 0) {
 349                 info->trust_flags |= WBC_DOMINFO_TRUST_INCOMING;
 350         }
 351
 352         /* Outgoing */
 353         r = s;
 354         if ((s = strchr(r, '\\')) == NULL) {
 355                 wbc_status = WBC_ERR_INVALID_RESPONSE;
 356                 BAIL_ON_WBC_ERROR(wbc_status);
 357         }
 358         *s = '\0';
 359         s++;
 360
 361         if (strcmp(r, "Yes") == 0) {
 362                 info->trust_flags |= WBC_DOMINFO_TRUST_OUTGOING;
 363         }
 364
 365         /* Online/Offline status */
 366
 367         r = s;
 368         if (r == NULL) {
 369                 wbc_status = WBC_ERR_INVALID_RESPONSE;
 370                 BAIL_ON_WBC_ERROR(wbc_status);
 371         }
 372         if ( strcmp(r, "Offline") == 0) {
 373                 info->domain_flags |= WBC_DOMINFO_DOMAIN_OFFLINE;
 374         }
 375
 376         wbc_status = WBC_ERR_SUCCESS;
 377
 378  done:
 379         return wbc_status;
 380 }
 381
 382 /* Enumerate the domain trusts known by Winbind */
 383 wbcErr wbcListTrusts(struct wbcDomainInfo **domains, size_t *num_domains)
 384 {
 385         struct winbindd_response response;
 386         wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
 387         char *p = NULL;
 388         char *q = NULL;
 389         char *extra_data = NULL;
 390         int count = 0;
 391         struct wbcDomainInfo *d_list = NULL;
 392         int i = 0;
 393
 394         *domains = NULL;
 395         *num_domains = 0;
 396
 397         ZERO_STRUCT(response);
 398
 399         /* Send request */
 400
 401         wbc_status = wbcRequestResponse(WINBINDD_LIST_TRUSTDOM,
 402                                         NULL,
 403                                         &response);
 404         BAIL_ON_WBC_ERROR(wbc_status);
 405
 406         /* Decode the response */
 407
 408         p = (char *)response.extra_data.data;
 409
 410         if ((p == NULL) || (strlen(p) == 0)) {
 411                 /* We should always at least get back our
 412                    own SAM domain */
 413
 414                 wbc_status = WBC_ERR_DOMAIN_NOT_FOUND;
 415                 BAIL_ON_WBC_ERROR(wbc_status);
 416         }
 417
 418         /* Count number of domains */
 419
 420         count = 0;
 421         while (p) {
 422                 count++;
 423
 424                 if ((q = strchr(p, '\n')) != NULL)
 425                         q++;
 426                 p = q;
 427         }
 428
 429         d_list = talloc_array(NULL, struct wbcDomainInfo, count);
 430         BAIL_ON_PTR_ERROR(d_list, wbc_status);
 431
 432         extra_data = strdup((char*)response.extra_data.data);
 433         BAIL_ON_PTR_ERROR(extra_data, wbc_status);
 434
 435         p = extra_data;
 436
 437         /* Outer loop processes the list of domain information */
 438
 439         for (i=0; i<count && p; i++) {
 440                 char *next = strchr(p, '\n');
 441
 442                 if (next) {
 443                         *next = '\0';
 444                         next++;
 445                 }
 446
 447                 wbc_status = process_domain_info_string(d_list, &d_list[i], p);
 448                 BAIL_ON_WBC_ERROR(wbc_status);
 449
 450                 p = next;
 451         }
 452
 453         *domains = d_list;
 454         *num_domains = i;
 455
 456  done:
 457         if (!WBC_ERROR_IS_OK(wbc_status)) {
 458                 if (d_list)
 459                         talloc_free(d_list);
 460                 if (extra_data)
 461                         free(extra_data);
 462         }
 463
 464         return wbc_status;
 465 }
 466
 467 /* Enumerate the domain trusts known by Winbind */
 468 wbcErr wbcLookupDomainController(const char *domain,
 469                                  uint32_t flags,
 470                                 struct wbcDomainControllerInfo **dc_info)
 471 {
 472         wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
 473         struct winbindd_request request;
 474         struct winbindd_response response;
 475         struct wbcDomainControllerInfo *dc = NULL;
 476
 477         /* validate input params */
 478
 479         if (!domain || !dc_info) {
 480                 wbc_status = WBC_ERR_INVALID_PARAM;
 481                 BAIL_ON_WBC_ERROR(wbc_status);
 482         }
 483
 484         ZERO_STRUCT(request);
 485         ZERO_STRUCT(response);
 486
 487         strncpy(request.domain_name, domain, sizeof(request.domain_name)-1);
 488
 489         request.flags = flags;
 490
 491         dc = talloc(NULL, struct wbcDomainControllerInfo);
 492         BAIL_ON_PTR_ERROR(dc, wbc_status);
 493
 494         /* Send request */
 495
 496         wbc_status = wbcRequestResponse(WINBINDD_DSGETDCNAME,
 497                                         &request,
 498                                         &response);
 499         BAIL_ON_WBC_ERROR(wbc_status);
 500
 501         dc->dc_name = talloc_strdup(dc, response.data.dc_name);
 502         BAIL_ON_PTR_ERROR(dc->dc_name, wbc_status);
 503
 504         *dc_info = dc;
 505
 506 done:
 507         if (!WBC_ERROR_IS_OK(wbc_status)) {
 508                 talloc_free(dc);
 509         }
 510
 511         return wbc_status;
 512 }
 513
 514 static wbcErr wbc_create_domain_controller_info_ex(TALLOC_CTX *mem_ctx,
 515                                                    const struct winbindd_response *resp,
 516                                                    struct wbcDomainControllerInfoEx **_i)
 517 {
 518         wbcErr wbc_status = WBC_ERR_SUCCESS;
 519         struct wbcDomainControllerInfoEx *i;
 520         struct wbcGuid guid;
 521
 522         i = talloc(mem_ctx, struct wbcDomainControllerInfoEx);
 523         BAIL_ON_PTR_ERROR(i, wbc_status);
 524
 525         i->dc_unc = talloc_strdup(i, resp->data.dsgetdcname.dc_unc);
 526         BAIL_ON_PTR_ERROR(i->dc_unc, wbc_status);
 527
 528         i->dc_address = talloc_strdup(i, resp->data.dsgetdcname.dc_address);
 529         BAIL_ON_PTR_ERROR(i->dc_address, wbc_status);
 530
 531         i->dc_address_type = resp->data.dsgetdcname.dc_address_type;
 532
 533         wbc_status = wbcStringToGuid(resp->data.dsgetdcname.domain_guid, &guid);
 534         if (WBC_ERROR_IS_OK(wbc_status)) {
 535                 i->domain_guid = talloc(i, struct wbcGuid);
 536                 BAIL_ON_PTR_ERROR(i->domain_guid, wbc_status);
 537
 538                 *i->domain_guid = guid;
 539         } else {
 540                 i->domain_guid = NULL;
 541         }
 542
 543         i->domain_name = talloc_strdup(i, resp->data.dsgetdcname.domain_name);
 544         BAIL_ON_PTR_ERROR(i->domain_name, wbc_status);
 545
 546         if (resp->data.dsgetdcname.forest_name[0] != '\0') {
 547                 i->forest_name = talloc_strdup(i,
 548                         resp->data.dsgetdcname.forest_name);
 549                 BAIL_ON_PTR_ERROR(i->forest_name, wbc_status);
 550         } else {
 551                 i->forest_name = NULL;
 552         }
 553
 554         i->dc_flags = resp->data.dsgetdcname.dc_flags;
 555
 556         if (resp->data.dsgetdcname.dc_site_name[0] != '\0') {
 557                 i->dc_site_name = talloc_strdup(i,
 558                         resp->data.dsgetdcname.dc_site_name);
 559                 BAIL_ON_PTR_ERROR(i->dc_site_name, wbc_status);
 560         } else {
 561                 i->dc_site_name = NULL;
 562         }
 563
 564         if (resp->data.dsgetdcname.client_site_name[0] != '\0') {
 565                 i->client_site_name = talloc_strdup(i,
 566                         resp->data.dsgetdcname.client_site_name);
 567                 BAIL_ON_PTR_ERROR(i->client_site_name, wbc_status);
 568         } else {
 569                 i->client_site_name = NULL;
 570         }
 571
 572         *_i = i;
 573         i = NULL;
 574
 575 done:
 576         talloc_free(i);
 577         return wbc_status;
 578 }
 579
 580 /* Get extended domain controller information */
 581 wbcErr wbcLookupDomainControllerEx(const char *domain,
 582                                    struct wbcGuid *guid,
 583                                    const char *site,
 584                                    uint32_t flags,
 585                                    struct wbcDomainControllerInfoEx **dc_info)
 586 {
 587         wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
 588         struct winbindd_request request;
 589         struct winbindd_response response;
 590
 591         /* validate input params */
 592
 593         if (!domain || !dc_info) {
 594                 wbc_status = WBC_ERR_INVALID_PARAM;
 595                 BAIL_ON_WBC_ERROR(wbc_status);
 596         }
 597
 598         ZERO_STRUCT(request);
 599         ZERO_STRUCT(response);
 600
 601         request.data.dsgetdcname.flags = flags;
 602
 603         strncpy(request.data.dsgetdcname.domain_name, domain,
 604                 sizeof(request.data.dsgetdcname.domain_name)-1);
 605
 606         if (site) {
 607                 strncpy(request.data.dsgetdcname.site_name, site,
 608                         sizeof(request.data.dsgetdcname.site_name)-1);
 609         }
 610
 611         if (guid) {
 612                 char *str = NULL;
 613
 614                 wbc_status = wbcGuidToString(guid, &str);
 615                 BAIL_ON_WBC_ERROR(wbc_status);
 616
 617                 strncpy(request.data.dsgetdcname.domain_guid, str,
 618                         sizeof(request.data.dsgetdcname.domain_guid)-1);
 619
 620                 wbcFreeMemory(str);
 621         }
 622
 623         /* Send request */
 624
 625         wbc_status = wbcRequestResponse(WINBINDD_DSGETDCNAME,
 626                                         &request,
 627                                         &response);
 628         BAIL_ON_WBC_ERROR(wbc_status);
 629
 630         if (dc_info) {
 631                 wbc_status = wbc_create_domain_controller_info_ex(NULL,
 632                                                                   &response,
 633                                                                   dc_info);
 634                 BAIL_ON_WBC_ERROR(wbc_status);
 635         }
 636
 637         wbc_status = WBC_ERR_SUCCESS;
 638 done:
 639         return wbc_status;
 640 }
 641
 642 /* Initialize a named blob and add to list of blobs */
 643 wbcErr wbcAddNamedBlob(size_t *num_blobs,
 644                        struct wbcNamedBlob **blobs,
 645                        const char *name,
 646                        uint32_t flags,
 647                        uint8_t *data,
 648                        size_t length)
 649 {
 650         wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
 651         struct wbcNamedBlob blob;
 652
 653         *blobs = talloc_realloc(NULL, *blobs, struct wbcNamedBlob,
 654                                 *(num_blobs)+1);
 655         BAIL_ON_PTR_ERROR(*blobs, wbc_status);
 656
 657         blob.name               = talloc_strdup(*blobs, name);
 658         BAIL_ON_PTR_ERROR(blob.name, wbc_status);
 659         blob.flags              = flags;
 660         blob.blob.length        = length;
 661         blob.blob.data          = (uint8_t *)talloc_memdup(*blobs, data, length);
 662         BAIL_ON_PTR_ERROR(blob.blob.data, wbc_status);
 663
 664         (*(blobs))[*num_blobs] = blob;
 665         *(num_blobs) += 1;
 666
 667         wbc_status = WBC_ERR_SUCCESS;
 668 done:
 669         if (!WBC_ERROR_IS_OK(wbc_status) && blobs) {
 670                 wbcFreeMemory(*blobs);
 671         }
 672         return wbc_status;
 673 }