source4/dsdb/schema/schema_init.c

   1 /*
   2    Unix SMB/CIFS mplementation.
   3    DSDB schema header
   4
   5    Copyright (C) Stefan Metzmacher <metze@samba.org> 2006-2007
   6    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006-2008
   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
  23 #include "includes.h"
  24 #include "dsdb/samdb/samdb.h"
  25 #include "lib/ldb/include/ldb_errors.h"
  26 #include "lib/util/dlinklist.h"
  27 #include "librpc/gen_ndr/ndr_misc.h"
  28 #include "librpc/gen_ndr/ndr_drsuapi.h"
  29 #include "librpc/gen_ndr/ndr_drsblobs.h"
  30 #include "param/param.h"
  31
  32 struct dsdb_schema *dsdb_new_schema(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience)
  33 {
  34         struct dsdb_schema *schema = talloc_zero(mem_ctx, struct dsdb_schema);
  35         if (!schema) {
  36                 return NULL;
  37         }
  38
  39         schema->iconv_convenience = iconv_convenience;
  40         return schema;
  41 }
  42
  43
  44 WERROR dsdb_load_oid_mappings_drsuapi(struct dsdb_schema *schema, const struct drsuapi_DsReplicaOIDMapping_Ctr *ctr)
  45 {
  46         uint32_t i,j;
  47
  48         schema->prefixes = talloc_array(schema, struct dsdb_schema_oid_prefix, ctr->num_mappings);
  49         W_ERROR_HAVE_NO_MEMORY(schema->prefixes);
  50
  51         for (i=0, j=0; i < ctr->num_mappings; i++) {
  52                 if (ctr->mappings[i].oid.oid == NULL) {
  53                         return WERR_INVALID_PARAM;
  54                 }
  55
  56                 if (strncasecmp(ctr->mappings[i].oid.oid, "ff", 2) == 0) {
  57                         if (ctr->mappings[i].id_prefix != 0) {
  58                                 return WERR_INVALID_PARAM;
  59                         }
  60
  61                         /* the magic value should be in the last array member */
  62                         if (i != (ctr->num_mappings - 1)) {
  63                                 return WERR_INVALID_PARAM;
  64                         }
  65
  66                         if (ctr->mappings[i].oid.__ndr_size != 21) {
  67                                 return WERR_INVALID_PARAM;
  68                         }
  69
  70                         schema->schema_info = talloc_strdup(schema, ctr->mappings[i].oid.oid);
  71                         W_ERROR_HAVE_NO_MEMORY(schema->schema_info);
  72                 } else {
  73                         /* the last array member should contain the magic value not a oid */
  74                         if (i == (ctr->num_mappings - 1)) {
  75                                 return WERR_INVALID_PARAM;
  76                         }
  77
  78                         schema->prefixes[j].id  = ctr->mappings[i].id_prefix<<16;
  79                         schema->prefixes[j].oid = talloc_asprintf(schema->prefixes, "%s.",
  80                                                                   ctr->mappings[i].oid.oid);
  81                         W_ERROR_HAVE_NO_MEMORY(schema->prefixes[j].oid);
  82                         schema->prefixes[j].oid_len = strlen(schema->prefixes[j].oid);
  83                         j++;
  84                 }
  85         }
  86
  87         schema->num_prefixes = j;
  88         return WERR_OK;
  89 }
  90
  91 WERROR dsdb_load_oid_mappings_ldb(struct dsdb_schema *schema,
  92                                   const struct ldb_val *prefixMap,
  93                                   const struct ldb_val *schemaInfo)
  94 {
  95         WERROR status;
  96         enum ndr_err_code ndr_err;
  97         struct prefixMapBlob pfm;
  98         char *schema_info;
  99
 100         TALLOC_CTX *mem_ctx = talloc_new(schema);
 101         W_ERROR_HAVE_NO_MEMORY(mem_ctx);
 102
 103         ndr_err = ndr_pull_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
 104         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 105                 NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
 106                 talloc_free(mem_ctx);
 107                 return ntstatus_to_werror(nt_status);
 108         }
 109
 110         if (pfm.version != PREFIX_MAP_VERSION_DSDB) {
 111                 talloc_free(mem_ctx);
 112                 return WERR_FOOBAR;
 113         }
 114
 115         if (schemaInfo->length != 21 && schemaInfo->data[0] == 0xFF) {
 116                 talloc_free(mem_ctx);
 117                 return WERR_FOOBAR;
 118         }
 119
 120         /* append the schema info as last element */
 121         pfm.ctr.dsdb.num_mappings++;
 122         pfm.ctr.dsdb.mappings = talloc_realloc(mem_ctx, pfm.ctr.dsdb.mappings,
 123                                                struct drsuapi_DsReplicaOIDMapping,
 124                                                pfm.ctr.dsdb.num_mappings);
 125         W_ERROR_HAVE_NO_MEMORY(pfm.ctr.dsdb.mappings);
 126
 127         schema_info = data_blob_hex_string(pfm.ctr.dsdb.mappings, schemaInfo);
 128         W_ERROR_HAVE_NO_MEMORY(schema_info);
 129
 130         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].id_prefix          = 0;
 131         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].oid.__ndr_size     = schemaInfo->length;
 132         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].oid.oid            = schema_info;
 133
 134         /* call the drsuapi version */
 135         status = dsdb_load_oid_mappings_drsuapi(schema, &pfm.ctr.dsdb);
 136         talloc_free(mem_ctx);
 137
 138         W_ERROR_NOT_OK_RETURN(status);
 139
 140         return WERR_OK;
 141 }
 142
 143 WERROR dsdb_get_oid_mappings_drsuapi(const struct dsdb_schema *schema,
 144                                      bool include_schema_info,
 145                                      TALLOC_CTX *mem_ctx,
 146                                      struct drsuapi_DsReplicaOIDMapping_Ctr **_ctr)
 147 {
 148         struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
 149         uint32_t i;
 150
 151         ctr = talloc(mem_ctx, struct drsuapi_DsReplicaOIDMapping_Ctr);
 152         W_ERROR_HAVE_NO_MEMORY(ctr);
 153
 154         ctr->num_mappings       = schema->num_prefixes;
 155         if (include_schema_info) ctr->num_mappings++;
 156         ctr->mappings = talloc_array(schema, struct drsuapi_DsReplicaOIDMapping, ctr->num_mappings);
 157         W_ERROR_HAVE_NO_MEMORY(ctr->mappings);
 158
 159         for (i=0; i < schema->num_prefixes; i++) {
 160                 ctr->mappings[i].id_prefix      = schema->prefixes[i].id>>16;
 161                 ctr->mappings[i].oid.oid        = talloc_strndup(ctr->mappings,
 162                                                                  schema->prefixes[i].oid,
 163                                                                  schema->prefixes[i].oid_len - 1);
 164                 W_ERROR_HAVE_NO_MEMORY(ctr->mappings[i].oid.oid);
 165         }
 166
 167         if (include_schema_info) {
 168                 ctr->mappings[i].id_prefix      = 0;
 169                 ctr->mappings[i].oid.oid        = talloc_strdup(ctr->mappings,
 170                                                                 schema->schema_info);
 171                 W_ERROR_HAVE_NO_MEMORY(ctr->mappings[i].oid.oid);
 172         }
 173
 174         *_ctr = ctr;
 175         return WERR_OK;
 176 }
 177
 178 WERROR dsdb_get_oid_mappings_ldb(const struct dsdb_schema *schema,
 179                                  TALLOC_CTX *mem_ctx,
 180                                  struct ldb_val *prefixMap,
 181                                  struct ldb_val *schemaInfo)
 182 {
 183         WERROR status;
 184         enum ndr_err_code ndr_err;
 185         struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
 186         struct prefixMapBlob pfm;
 187
 188         status = dsdb_get_oid_mappings_drsuapi(schema, false, mem_ctx, &ctr);
 189         W_ERROR_NOT_OK_RETURN(status);
 190
 191         pfm.version     = PREFIX_MAP_VERSION_DSDB;
 192         pfm.reserved    = 0;
 193         pfm.ctr.dsdb    = *ctr;
 194
 195         ndr_err = ndr_push_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
 196         talloc_free(ctr);
 197         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 198                 NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
 199                 return ntstatus_to_werror(nt_status);
 200         }
 201
 202         *schemaInfo = strhex_to_data_blob(schema->schema_info);
 203         W_ERROR_HAVE_NO_MEMORY(schemaInfo->data);
 204         talloc_steal(mem_ctx, schemaInfo->data);
 205
 206         return WERR_OK;
 207 }
 208
 209 WERROR dsdb_verify_oid_mappings_drsuapi(const struct dsdb_schema *schema, const struct drsuapi_DsReplicaOIDMapping_Ctr *ctr)
 210 {
 211         uint32_t i,j;
 212
 213         for (i=0; i < ctr->num_mappings; i++) {
 214                 if (ctr->mappings[i].oid.oid == NULL) {
 215                         return WERR_INVALID_PARAM;
 216                 }
 217
 218                 if (strncasecmp(ctr->mappings[i].oid.oid, "ff", 2) == 0) {
 219                         if (ctr->mappings[i].id_prefix != 0) {
 220                                 return WERR_INVALID_PARAM;
 221                         }
 222
 223                         /* the magic value should be in the last array member */
 224                         if (i != (ctr->num_mappings - 1)) {
 225                                 return WERR_INVALID_PARAM;
 226                         }
 227
 228                         if (ctr->mappings[i].oid.__ndr_size != 21) {
 229                                 return WERR_INVALID_PARAM;
 230                         }
 231
 232                         if (strcasecmp(schema->schema_info, ctr->mappings[i].oid.oid) != 0) {
 233                                 return WERR_DS_DRA_SCHEMA_MISMATCH;
 234                         }
 235                 } else {
 236                         /* the last array member should contain the magic value not a oid */
 237                         if (i == (ctr->num_mappings - 1)) {
 238                                 return WERR_INVALID_PARAM;
 239                         }
 240
 241                         for (j=0; j < schema->num_prefixes; j++) {
 242                                 size_t oid_len;
 243                                 if (schema->prefixes[j].id != (ctr->mappings[i].id_prefix<<16)) {
 244                                         continue;
 245                                 }
 246
 247                                 oid_len = strlen(ctr->mappings[i].oid.oid);
 248
 249                                 if (oid_len != (schema->prefixes[j].oid_len - 1)) {
 250                                         return WERR_DS_DRA_SCHEMA_MISMATCH;
 251                                 }
 252
 253                                 if (strncmp(ctr->mappings[i].oid.oid, schema->prefixes[j].oid, oid_len) != 0) {
 254                                         return WERR_DS_DRA_SCHEMA_MISMATCH;
 255                                 }
 256
 257                                 break;
 258                         }
 259
 260                         if (j == schema->num_prefixes) {
 261                                 return WERR_DS_DRA_SCHEMA_MISMATCH;
 262                         }
 263                 }
 264         }
 265
 266         return WERR_OK;
 267 }
 268
 269 WERROR dsdb_map_oid2int(const struct dsdb_schema *schema, const char *in, uint32_t *out)
 270 {
 271         uint32_t i;
 272
 273         for (i=0; i < schema->num_prefixes; i++) {
 274                 const char *val_str;
 275                 char *end_str;
 276                 unsigned val;
 277
 278                 if (strncmp(schema->prefixes[i].oid, in, schema->prefixes[i].oid_len) != 0) {
 279                         continue;
 280                 }
 281
 282                 val_str = in + schema->prefixes[i].oid_len;
 283                 end_str = NULL;
 284                 errno = 0;
 285
 286                 if (val_str[0] == '\0') {
 287                         return WERR_INVALID_PARAM;
 288                 }
 289
 290                 /* two '.' chars are invalid */
 291                 if (val_str[0] == '.') {
 292                         return WERR_INVALID_PARAM;
 293                 }
 294
 295                 val = strtoul(val_str, &end_str, 10);
 296                 if (end_str[0] == '.' && end_str[1] != '\0') {
 297                         /*
 298                          * if it's a '.' and not the last char
 299                          * then maybe an other mapping apply
 300                          */
 301                         continue;
 302                 } else if (end_str[0] != '\0') {
 303                         return WERR_INVALID_PARAM;
 304                 } else if (val > 0xFFFF) {
 305                         return WERR_INVALID_PARAM;
 306                 }
 307
 308                 *out = schema->prefixes[i].id | val;
 309                 return WERR_OK;
 310         }
 311
 312         return WERR_DS_NO_MSDS_INTID;
 313 }
 314
 315 WERROR dsdb_map_int2oid(const struct dsdb_schema *schema, uint32_t in, TALLOC_CTX *mem_ctx, const char **out)
 316 {
 317         uint32_t i;
 318
 319         for (i=0; i < schema->num_prefixes; i++) {
 320                 const char *val;
 321                 if (schema->prefixes[i].id != (in & 0xFFFF0000)) {
 322                         continue;
 323                 }
 324
 325                 val = talloc_asprintf(mem_ctx, "%s%u",
 326                                       schema->prefixes[i].oid,
 327                                       in & 0xFFFF);
 328                 W_ERROR_HAVE_NO_MEMORY(val);
 329
 330                 *out = val;
 331                 return WERR_OK;
 332         }
 333
 334         return WERR_DS_NO_MSDS_INTID;
 335 }
 336
 337 /*
 338  * this function is called from within a ldb transaction from the schema_fsmo module
 339  */
 340 WERROR dsdb_create_prefix_mapping(struct ldb_context *ldb, struct dsdb_schema *schema, const char *full_oid)
 341 {
 342         /*
 343          * TODO:
 344          *      - (maybe) read the old prefixMap attribute and parse it
 345          *
 346          *      - recheck the prefix doesn't exist (because the ldb
 347          *        has maybe a more uptodate value than schem->prefixes
 348          *
 349          *      - calculate a new mapping for the oid prefix of full_oid
 350          *      - store the new prefixMap attribute
 351          *
 352          *      - (maybe) update schema->prefixes
 353          *      or
 354          *      - better find a way to indicate a schema reload,
 355          *        so that other processes also notice the schema change
 356          */
 357         return WERR_NOT_SUPPORTED;
 358 }
 359
 360 #define GET_STRING_LDB(msg, attr, mem_ctx, p, elem, strict) do { \
 361         (p)->elem = samdb_result_string(msg, attr, NULL);\
 362         if (strict && (p)->elem == NULL) { \
 363                 d_printf("%s: %s == NULL\n", __location__, attr); \
 364                 return WERR_INVALID_PARAM; \
 365         } \
 366         talloc_steal(mem_ctx, (p)->elem); \
 367 } while (0)
 368
 369 #define GET_STRING_LIST_LDB(msg, attr, mem_ctx, p, elem, strict) do {   \
 370         int get_string_list_counter;                                    \
 371         struct ldb_message_element *get_string_list_el = ldb_msg_find_element(msg, attr); \
 372         if (get_string_list_el == NULL) {                               \
 373                 if (strict) {                                           \
 374                         d_printf("%s: %s == NULL\n", __location__, attr); \
 375                         return WERR_INVALID_PARAM;                      \
 376                 } else {                                                \
 377                         (p)->elem = NULL;                               \
 378                         break;                                          \
 379                 }                                                       \
 380         }                                                               \
 381         (p)->elem = talloc_array(mem_ctx, const char *, get_string_list_el->num_values + 1); \
 382         for (get_string_list_counter=0;                                 \
 383              get_string_list_counter < get_string_list_el->num_values;  \
 384              get_string_list_counter++) {                               \
 385                 (p)->elem[get_string_list_counter] = talloc_strndup((p)->elem, \
 386                                                                     (const char *)get_string_list_el->values[get_string_list_counter].data, \
 387                                                                     get_string_list_el->values[get_string_list_counter].length); \
 388                 if (!(p)->elem[get_string_list_counter]) {              \
 389                         d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
 390                         return WERR_NOMEM;                              \
 391                 }                                                       \
 392                 (p)->elem[get_string_list_counter+1] = NULL;            \
 393         }                                                               \
 394         talloc_steal(mem_ctx, (p)->elem);                               \
 395 } while (0)
 396
 397 #define GET_BOOL_LDB(msg, attr, p, elem, strict) do { \
 398         const char *str; \
 399         str = samdb_result_string(msg, attr, NULL);\
 400         if (str == NULL) { \
 401                 if (strict) { \
 402                         d_printf("%s: %s == NULL\n", __location__, attr); \
 403                         return WERR_INVALID_PARAM; \
 404                 } else { \
 405                         (p)->elem = false; \
 406                 } \
 407         } else if (strcasecmp("TRUE", str) == 0) { \
 408                 (p)->elem = true; \
 409         } else if (strcasecmp("FALSE", str) == 0) { \
 410                 (p)->elem = false; \
 411         } else { \
 412                 d_printf("%s: %s == %s\n", __location__, attr, str); \
 413                 return WERR_INVALID_PARAM; \
 414         } \
 415 } while (0)
 416
 417 #define GET_UINT32_LDB(msg, attr, p, elem) do { \
 418         (p)->elem = samdb_result_uint(msg, attr, 0);\
 419 } while (0)
 420
 421 #define GET_GUID_LDB(msg, attr, p, elem) do { \
 422         (p)->elem = samdb_result_guid(msg, attr);\
 423 } while (0)
 424
 425 #define GET_BLOB_LDB(msg, attr, mem_ctx, p, elem) do { \
 426         const struct ldb_val *_val;\
 427         _val = ldb_msg_find_ldb_val(msg, attr);\
 428         if (_val) {\
 429                 (p)->elem = *_val;\
 430                 talloc_steal(mem_ctx, (p)->elem.data);\
 431         } else {\
 432                 ZERO_STRUCT((p)->elem);\
 433         }\
 434 } while (0)
 435
 436 WERROR dsdb_attribute_from_ldb(const struct dsdb_schema *schema,
 437                                struct ldb_message *msg,
 438                                TALLOC_CTX *mem_ctx,
 439                                struct dsdb_attribute *attr)
 440 {
 441         WERROR status;
 442
 443         GET_STRING_LDB(msg, "cn", mem_ctx, attr, cn, false);
 444         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
 445         GET_STRING_LDB(msg, "attributeID", mem_ctx, attr, attributeID_oid, true);
 446         if (schema->num_prefixes == 0) {
 447                 /* set an invalid value */
 448                 attr->attributeID_id = 0xFFFFFFFF;
 449         } else {
 450                 status = dsdb_map_oid2int(schema, attr->attributeID_oid, &attr->attributeID_id);
 451                 if (!W_ERROR_IS_OK(status)) {
 452                         DEBUG(0,("%s: '%s': unable to map attributeID %s: %s\n",
 453                                 __location__, attr->lDAPDisplayName, attr->attributeID_oid,
 454                                 win_errstr(status)));
 455                         return status;
 456                 }
 457         }
 458         GET_GUID_LDB(msg, "schemaIDGUID", attr, schemaIDGUID);
 459         GET_UINT32_LDB(msg, "mAPIID", attr, mAPIID);
 460
 461         GET_GUID_LDB(msg, "attributeSecurityGUID", attr, attributeSecurityGUID);
 462
 463         GET_UINT32_LDB(msg, "searchFlags", attr, searchFlags);
 464         GET_UINT32_LDB(msg, "systemFlags", attr, systemFlags);
 465         GET_BOOL_LDB(msg, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
 466         GET_UINT32_LDB(msg, "linkID", attr, linkID);
 467
 468         GET_STRING_LDB(msg, "attributeSyntax", mem_ctx, attr, attributeSyntax_oid, true);
 469         if (schema->num_prefixes == 0) {
 470                 /* set an invalid value */
 471                 attr->attributeSyntax_id = 0xFFFFFFFF;
 472         } else {
 473                 status = dsdb_map_oid2int(schema, attr->attributeSyntax_oid, &attr->attributeSyntax_id);
 474                 if (!W_ERROR_IS_OK(status)) {
 475                         DEBUG(0,("%s: '%s': unable to map attributeSyntax_ %s: %s\n",
 476                                 __location__, attr->lDAPDisplayName, attr->attributeSyntax_oid,
 477                                 win_errstr(status)));
 478                         return status;
 479                 }
 480         }
 481         GET_UINT32_LDB(msg, "oMSyntax", attr, oMSyntax);
 482         GET_BLOB_LDB(msg, "oMObjectClass", mem_ctx, attr, oMObjectClass);
 483
 484         GET_BOOL_LDB(msg, "isSingleValued", attr, isSingleValued, true);
 485         GET_UINT32_LDB(msg, "rangeLower", attr, rangeLower);
 486         GET_UINT32_LDB(msg, "rangeUpper", attr, rangeUpper);
 487         GET_BOOL_LDB(msg, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
 488
 489         GET_UINT32_LDB(msg, "schemaFlagsEx", attr, schemaFlagsEx);
 490         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
 491
 492         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
 493         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
 494         GET_STRING_LDB(msg, "adminDescription", mem_ctx, attr, adminDescription, false);
 495         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, attr, classDisplayName, false);
 496         GET_BOOL_LDB(msg, "isEphemeral", attr, isEphemeral, false);
 497         GET_BOOL_LDB(msg, "isDefunct", attr, isDefunct, false);
 498         GET_BOOL_LDB(msg, "systemOnly", attr, systemOnly, false);
 499
 500         attr->syntax = dsdb_syntax_for_attribute(attr);
 501         if (!attr->syntax) {
 502                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
 503         }
 504
 505         return WERR_OK;
 506 }
 507
 508 WERROR dsdb_class_from_ldb(const struct dsdb_schema *schema,
 509                            struct ldb_message *msg,
 510                            TALLOC_CTX *mem_ctx,
 511                            struct dsdb_class *obj)
 512 {
 513         WERROR status;
 514
 515         GET_STRING_LDB(msg, "cn", mem_ctx, obj, cn, false);
 516         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
 517         GET_STRING_LDB(msg, "governsID", mem_ctx, obj, governsID_oid, true);
 518         if (schema->num_prefixes == 0) {
 519                 /* set an invalid value */
 520                 obj->governsID_id = 0xFFFFFFFF;
 521         } else {
 522                 status = dsdb_map_oid2int(schema, obj->governsID_oid, &obj->governsID_id);
 523                 if (!W_ERROR_IS_OK(status)) {
 524                         DEBUG(0,("%s: '%s': unable to map governsID %s: %s\n",
 525                                 __location__, obj->lDAPDisplayName, obj->governsID_oid,
 526                                 win_errstr(status)));
 527                         return status;
 528                 }
 529         }
 530         GET_GUID_LDB(msg, "schemaIDGUID", obj, schemaIDGUID);
 531
 532         GET_UINT32_LDB(msg, "objectClassCategory", obj, objectClassCategory);
 533         GET_STRING_LDB(msg, "rDNAttID", mem_ctx, obj, rDNAttID, false);
 534         GET_STRING_LDB(msg, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
 535
 536         GET_STRING_LDB(msg, "subClassOf", mem_ctx, obj, subClassOf, true);
 537
 538         GET_STRING_LIST_LDB(msg, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass, false);
 539         GET_STRING_LIST_LDB(msg, "auxiliaryClass", mem_ctx, obj, auxiliaryClass, false);
 540
 541         GET_STRING_LIST_LDB(msg, "systemMustContain", mem_ctx, obj, systemMustContain, false);
 542         GET_STRING_LIST_LDB(msg, "systemMayContain", mem_ctx, obj, systemMayContain, false);
 543         GET_STRING_LIST_LDB(msg, "mustContain", mem_ctx, obj, mustContain, false);
 544         GET_STRING_LIST_LDB(msg, "mayContain", mem_ctx, obj, mayContain, false);
 545
 546         GET_STRING_LIST_LDB(msg, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors, false);
 547         GET_STRING_LIST_LDB(msg, "possSuperiors", mem_ctx, obj, possSuperiors, false);
 548         GET_STRING_LIST_LDB(msg, "possibleInferiors", mem_ctx, obj, possibleInferiors, false);
 549
 550         GET_STRING_LDB(msg, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
 551
 552         GET_UINT32_LDB(msg, "schemaFlagsEx", obj, schemaFlagsEx);
 553         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
 554
 555         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
 556         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
 557         GET_STRING_LDB(msg, "adminDescription", mem_ctx, obj, adminDescription, false);
 558         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, obj, classDisplayName, false);
 559         GET_BOOL_LDB(msg, "defaultHidingValue", obj, defaultHidingValue, false);
 560         GET_BOOL_LDB(msg, "isDefunct", obj, isDefunct, false);
 561         GET_BOOL_LDB(msg, "systemOnly", obj, systemOnly, false);
 562
 563         return WERR_OK;
 564 }
 565
 566 #define dsdb_oom(error_string, mem_ctx) *error_string = talloc_asprintf(mem_ctx, "dsdb out of memory at %s:%d\n", __FILE__, __LINE__)
 567
 568 int dsdb_schema_from_ldb_results(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 569                                  struct smb_iconv_convenience *iconv_convenience,
 570                                  struct ldb_result *schema_res,
 571                                  struct ldb_result *attrs_res, struct ldb_result *objectclass_res,
 572                                  struct dsdb_schema **schema_out,
 573                                  char **error_string)
 574 {
 575         WERROR status;
 576         uint32_t i;
 577         const struct ldb_val *prefix_val;
 578         const struct ldb_val *info_val;
 579         struct ldb_val info_val_default;
 580         struct dsdb_schema *schema;
 581
 582         schema = dsdb_new_schema(mem_ctx, iconv_convenience);
 583         if (!schema) {
 584                 dsdb_oom(error_string, mem_ctx);
 585                 return LDB_ERR_OPERATIONS_ERROR;
 586         }
 587
 588         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
 589         if (!prefix_val) {
 590                 *error_string = talloc_asprintf(mem_ctx,
 591                                                 "schema_fsmo_init: no prefixMap attribute found");
 592                 talloc_free(mem_ctx);
 593                 return LDB_ERR_CONSTRAINT_VIOLATION;
 594         }
 595         info_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "schemaInfo");
 596         if (!info_val) {
 597                 info_val_default = strhex_to_data_blob("FF0000000000000000000000000000000000000000");
 598                 if (!info_val_default.data) {
 599                         dsdb_oom(error_string, mem_ctx);
 600                         return LDB_ERR_OPERATIONS_ERROR;
 601                 }
 602                 talloc_steal(mem_ctx, info_val_default.data);
 603                 info_val = &info_val_default;
 604         }
 605
 606         status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
 607         if (!W_ERROR_IS_OK(status)) {
 608                 *error_string = talloc_asprintf(mem_ctx,
 609                               "schema_fsmo_init: failed to load oid mappings: %s",
 610                               win_errstr(status));
 611                 talloc_free(mem_ctx);
 612                 return LDB_ERR_CONSTRAINT_VIOLATION;
 613         }
 614
 615         for (i=0; i < attrs_res->count; i++) {
 616                 struct dsdb_attribute *sa;
 617
 618                 sa = talloc_zero(schema, struct dsdb_attribute);
 619                 if (!sa) {
 620                         dsdb_oom(error_string, mem_ctx);
 621                         return LDB_ERR_OPERATIONS_ERROR;
 622                 }
 623
 624                 status = dsdb_attribute_from_ldb(schema, attrs_res->msgs[i], sa, sa);
 625                 if (!W_ERROR_IS_OK(status)) {
 626                         *error_string = talloc_asprintf(mem_ctx,
 627                                       "schema_fsmo_init: failed to load attribute definition: %s:%s",
 628                                       ldb_dn_get_linearized(attrs_res->msgs[i]->dn),
 629                                       win_errstr(status));
 630                         talloc_free(mem_ctx);
 631                         return LDB_ERR_CONSTRAINT_VIOLATION;
 632                 }
 633
 634                 DLIST_ADD_END(schema->attributes, sa, struct dsdb_attribute *);
 635         }
 636
 637         for (i=0; i < objectclass_res->count; i++) {
 638                 struct dsdb_class *sc;
 639
 640                 sc = talloc_zero(schema, struct dsdb_class);
 641                 if (!sc) {
 642                         dsdb_oom(error_string, mem_ctx);
 643                         return LDB_ERR_OPERATIONS_ERROR;
 644                 }
 645
 646                 status = dsdb_class_from_ldb(schema, objectclass_res->msgs[i], sc, sc);
 647                 if (!W_ERROR_IS_OK(status)) {
 648                         *error_string = talloc_asprintf(mem_ctx,
 649                                       "schema_fsmo_init: failed to load class definition: %s:%s",
 650                                       ldb_dn_get_linearized(objectclass_res->msgs[i]->dn),
 651                                       win_errstr(status));
 652                         talloc_free(mem_ctx);
 653                         return LDB_ERR_CONSTRAINT_VIOLATION;
 654                 }
 655
 656                 DLIST_ADD_END(schema->classes, sc, struct dsdb_class *);
 657         }
 658
 659         schema->fsmo.master_dn = ldb_msg_find_attr_as_dn(ldb, schema, schema_res->msgs[0], "fSMORoleOwner");
 660         if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), schema->fsmo.master_dn) == 0) {
 661                 schema->fsmo.we_are_master = true;
 662         } else {
 663                 schema->fsmo.we_are_master = false;
 664         }
 665
 666         DEBUG(5, ("schema_fsmo_init: we are master: %s\n",
 667                   (schema->fsmo.we_are_master?"yes":"no")));
 668
 669         *schema_out = schema;
 670         return LDB_SUCCESS;
 671 }
 672
 673 /* This recursive load of the objectClasses presumes that they
 674  * everything is in a strict subClassOf hirarchy.
 675  *
 676  * We load this in order so we produce certain outputs (such as the
 677  * exported schema for openldap, and sorted objectClass attribute) 'in
 678  * order' */
 679
 680 static int fetch_oc_recursive(struct ldb_context *ldb, struct ldb_dn *schemadn,
 681                               TALLOC_CTX *mem_ctx,
 682                               struct ldb_result *search_from,
 683                               struct ldb_result *res_list)
 684 {
 685         int i;
 686         int ret = 0;
 687         for (i=0; i < search_from->count; i++) {
 688                 struct ldb_result *res;
 689                 const char *name = ldb_msg_find_attr_as_string(search_from->msgs[i],
 690                                                                "lDAPDisplayname", NULL);
 691
 692                 ret = ldb_search_exp_fmt(ldb, mem_ctx, &res,
 693                                         schemadn, LDB_SCOPE_SUBTREE, NULL,
 694                                         "(&(&(objectClass=classSchema)(subClassOf=%s))(!(lDAPDisplayName=%s)))",
 695                                         name, name);
 696                 if (ret != LDB_SUCCESS) {
 697                         printf("Search failed: %s\n", ldb_errstring(ldb));
 698                         return ret;
 699                 }
 700
 701                 res_list->msgs = talloc_realloc(res_list, res_list->msgs,
 702                                                 struct ldb_message *, res_list->count + 2);
 703                 if (!res_list->msgs) {
 704                         return LDB_ERR_OPERATIONS_ERROR;
 705                 }
 706                 res_list->msgs[res_list->count] = talloc_move(res_list,
 707                                                               &search_from->msgs[i]);
 708                 res_list->count++;
 709                 res_list->msgs[res_list->count] = NULL;
 710
 711                 if (res->count > 0) {
 712                         ret = fetch_oc_recursive(ldb, schemadn, mem_ctx, res, res_list);
 713                 }
 714                 if (ret != LDB_SUCCESS) {
 715                         return ret;
 716                 }
 717         }
 718         return ret;
 719 }
 720
 721 static int fetch_objectclass_schema(struct ldb_context *ldb, struct ldb_dn *schemadn,
 722                                     TALLOC_CTX *mem_ctx,
 723                                     struct ldb_result **objectclasses_res)
 724 {
 725         TALLOC_CTX *local_ctx = talloc_new(mem_ctx);
 726         struct ldb_result *top_res, *ret_res;
 727         int ret;
 728         if (!local_ctx) {
 729                 return LDB_ERR_OPERATIONS_ERROR;
 730         }
 731
 732         /* Downlaod 'top' */
 733         ret = ldb_search(ldb, schemadn, LDB_SCOPE_SUBTREE,
 734                          "(&(objectClass=classSchema)(lDAPDisplayName=top))",
 735                          NULL, &top_res);
 736         if (ret != LDB_SUCCESS) {
 737                 printf("Search failed: %s\n", ldb_errstring(ldb));
 738                 return LDB_ERR_OPERATIONS_ERROR;
 739         }
 740
 741         talloc_steal(local_ctx, top_res);
 742
 743         if (top_res->count != 1) {
 744                 return LDB_ERR_OPERATIONS_ERROR;
 745         }
 746
 747         ret_res = talloc_zero(local_ctx, struct ldb_result);
 748         if (!ret_res) {
 749                 return LDB_ERR_OPERATIONS_ERROR;
 750         }
 751
 752         ret = fetch_oc_recursive(ldb, schemadn, local_ctx, top_res, ret_res);
 753
 754         if (ret != LDB_SUCCESS) {
 755                 printf("Search failed: %s\n", ldb_errstring(ldb));
 756                 return LDB_ERR_OPERATIONS_ERROR;
 757         }
 758
 759         *objectclasses_res = talloc_move(mem_ctx, &ret_res);
 760         return ret;
 761 }
 762
 763 int dsdb_schema_from_schema_dn(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 764                                struct smb_iconv_convenience *iconv_convenience,
 765                                struct ldb_dn *schema_dn,
 766                                struct dsdb_schema **schema,
 767                                char **error_string_out)
 768 {
 769         TALLOC_CTX *tmp_ctx;
 770         char *error_string;
 771         int ret;
 772
 773         struct ldb_result *schema_res;
 774         struct ldb_result *a_res;
 775         struct ldb_result *c_res;
 776         static const char *schema_attrs[] = {
 777                 "prefixMap",
 778                 "schemaInfo",
 779                 "fSMORoleOwner",
 780                 NULL
 781         };
 782
 783         tmp_ctx = talloc_new(mem_ctx);
 784         if (!tmp_ctx) {
 785                 dsdb_oom(error_string_out, mem_ctx);
 786                 return LDB_ERR_OPERATIONS_ERROR;
 787         }
 788
 789         /*
 790          * setup the prefix mappings and schema info
 791          */
 792         ret = ldb_search(ldb, schema_dn,
 793                          LDB_SCOPE_BASE,
 794                          NULL, schema_attrs,
 795                          &schema_res);
 796         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
 797                 talloc_free(tmp_ctx);
 798                 return ret;
 799         } else if (ret != LDB_SUCCESS) {
 800                 *error_string_out = talloc_asprintf(mem_ctx,
 801                                        "dsdb_schema: failed to search the schema head: %s",
 802                                        ldb_errstring(ldb));
 803                 talloc_free(tmp_ctx);
 804                 return ret;
 805         }
 806         talloc_steal(tmp_ctx, schema_res);
 807         if (schema_res->count != 1) {
 808                 *error_string_out = talloc_asprintf(mem_ctx,
 809                               "dsdb_schema: [%u] schema heads found on a base search",
 810                               schema_res->count);
 811                 talloc_free(tmp_ctx);
 812                 return LDB_ERR_CONSTRAINT_VIOLATION;
 813         }
 814
 815         /*
 816          * load the attribute definitions
 817          */
 818         ret = ldb_search(ldb, schema_dn,
 819                          LDB_SCOPE_ONELEVEL,
 820                          "(objectClass=attributeSchema)", NULL,
 821                          &a_res);
 822         if (ret != LDB_SUCCESS) {
 823                 *error_string_out = talloc_asprintf(mem_ctx,
 824                                        "dsdb_schema: failed to search attributeSchema objects: %s",
 825                                        ldb_errstring(ldb));
 826                 talloc_free(tmp_ctx);
 827                 return ret;
 828         }
 829         talloc_steal(tmp_ctx, a_res);
 830
 831         /*
 832          * load the objectClass definitions
 833          */
 834         ret = fetch_objectclass_schema(ldb, schema_dn, tmp_ctx, &c_res);
 835         if (ret != LDB_SUCCESS) {
 836                 *error_string_out = talloc_asprintf(mem_ctx,
 837                                        "Failed to fetch objectClass schema elements: %s\n", ldb_errstring(ldb));
 838                 talloc_free(tmp_ctx);
 839                 return ret;
 840         }
 841
 842         ret = dsdb_schema_from_ldb_results(tmp_ctx, ldb,
 843                                            lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
 844                                            schema_res, a_res, c_res, schema, &error_string);
 845         if (ret != LDB_SUCCESS) {
 846                 *error_string_out = talloc_asprintf(mem_ctx,
 847                                                     "dsdb_schema load failed: %s",
 848                                                     error_string);
 849                 talloc_free(tmp_ctx);
 850                 return ret;
 851         }
 852         talloc_steal(mem_ctx, *schema);
 853         talloc_free(tmp_ctx);
 854
 855         return LDB_SUCCESS;
 856 }
 857
 858
 859 static const struct {
 860         const char *name;
 861         const char *oid;
 862 } name_mappings[] = {
 863         { "cn",                                 "2.5.4.3" },
 864         { "name",                               "1.2.840.113556.1.4.1" },
 865         { "lDAPDisplayName",                    "1.2.840.113556.1.2.460" },
 866         { "attributeID",                        "1.2.840.113556.1.2.30" },
 867         { "schemaIDGUID",                       "1.2.840.113556.1.4.148" },
 868         { "mAPIID",                             "1.2.840.113556.1.2.49" },
 869         { "attributeSecurityGUID",              "1.2.840.113556.1.4.149" },
 870         { "searchFlags",                        "1.2.840.113556.1.2.334" },
 871         { "systemFlags",                        "1.2.840.113556.1.4.375" },
 872         { "isMemberOfPartialAttributeSet",      "1.2.840.113556.1.4.639" },
 873         { "linkID",                             "1.2.840.113556.1.2.50" },
 874         { "attributeSyntax",                    "1.2.840.113556.1.2.32" },
 875         { "oMSyntax",                           "1.2.840.113556.1.2.231" },
 876         { "oMObjectClass",                      "1.2.840.113556.1.2.218" },
 877         { "isSingleValued",                     "1.2.840.113556.1.2.33" },
 878         { "rangeLower",                         "1.2.840.113556.1.2.34" },
 879         { "rangeUpper",                         "1.2.840.113556.1.2.35" },
 880         { "extendedCharsAllowed",               "1.2.840.113556.1.2.380" },
 881         { "schemaFlagsEx",                      "1.2.840.113556.1.4.120" },
 882         { "msDs-Schema-Extensions",             "1.2.840.113556.1.4.1440" },
 883         { "showInAdvancedViewOnly",             "1.2.840.113556.1.2.169" },
 884         { "adminDisplayName",                   "1.2.840.113556.1.2.194" },
 885         { "adminDescription",                   "1.2.840.113556.1.2.226" },
 886         { "classDisplayName",                   "1.2.840.113556.1.4.610" },
 887         { "isEphemeral",                        "1.2.840.113556.1.4.1212" },
 888         { "isDefunct",                          "1.2.840.113556.1.4.661" },
 889         { "systemOnly",                         "1.2.840.113556.1.4.170" },
 890         { "governsID",                          "1.2.840.113556.1.2.22" },
 891         { "objectClassCategory",                "1.2.840.113556.1.2.370" },
 892         { "rDNAttID",                           "1.2.840.113556.1.2.26" },
 893         { "defaultObjectCategory",              "1.2.840.113556.1.4.783" },
 894         { "subClassOf",                         "1.2.840.113556.1.2.21" },
 895         { "systemAuxiliaryClass",               "1.2.840.113556.1.4.198" },
 896         { "systemPossSuperiors",                "1.2.840.113556.1.4.195" },
 897         { "systemMustContain",                  "1.2.840.113556.1.4.197" },
 898         { "systemMayContain",                   "1.2.840.113556.1.4.196" },
 899         { "auxiliaryClass",                     "1.2.840.113556.1.2.351" },
 900         { "possSuperiors",                      "1.2.840.113556.1.2.8" },
 901         { "mustContain",                        "1.2.840.113556.1.2.24" },
 902         { "mayContain",                         "1.2.840.113556.1.2.25" },
 903         { "defaultSecurityDescriptor",          "1.2.840.113556.1.4.224" },
 904         { "defaultHidingValue",                 "1.2.840.113556.1.4.518" },
 905 };
 906
 907 static struct drsuapi_DsReplicaAttribute *dsdb_find_object_attr_name(struct dsdb_schema *schema,
 908                                                                      struct drsuapi_DsReplicaObject *obj,
 909                                                                      const char *name,
 910                                                                      uint32_t *idx)
 911 {
 912         WERROR status;
 913         uint32_t i, id;
 914         const char *oid = NULL;
 915
 916         for(i=0; i < ARRAY_SIZE(name_mappings); i++) {
 917                 if (strcmp(name_mappings[i].name, name) != 0) continue;
 918
 919                 oid = name_mappings[i].oid;
 920                 break;
 921         }
 922
 923         if (!oid) {
 924                 return NULL;
 925         }
 926
 927         status = dsdb_map_oid2int(schema, oid, &id);
 928         if (!W_ERROR_IS_OK(status)) {
 929                 return NULL;
 930         }
 931
 932         for (i=0; i < obj->attribute_ctr.num_attributes; i++) {
 933                 if (obj->attribute_ctr.attributes[i].attid != id) continue;
 934
 935                 if (idx) *idx = i;
 936                 return &obj->attribute_ctr.attributes[i];
 937         }
 938
 939         return NULL;
 940 }
 941
 942 #define GET_STRING_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
 943         struct drsuapi_DsReplicaAttribute *_a; \
 944         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
 945         if (strict && !_a) { \
 946                 d_printf("%s: %s == NULL\n", __location__, attr); \
 947                 return WERR_INVALID_PARAM; \
 948         } \
 949         if (strict && _a->value_ctr.num_values != 1) { \
 950                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
 951                         _a->value_ctr.num_values); \
 952                 return WERR_INVALID_PARAM; \
 953         } \
 954         if (_a && _a->value_ctr.num_values >= 1) { \
 955                 ssize_t _ret; \
 956                 _ret = convert_string_talloc(mem_ctx, s->iconv_convenience, CH_UTF16, CH_UNIX, \
 957                                              _a->value_ctr.values[0].blob->data, \
 958                                              _a->value_ctr.values[0].blob->length, \
 959                                              (void **)discard_const(&(p)->elem)); \
 960                 if (_ret == -1) { \
 961                         DEBUG(0,("%s: invalid data!\n", attr)); \
 962                         dump_data(0, \
 963                                      _a->value_ctr.values[0].blob->data, \
 964                                      _a->value_ctr.values[0].blob->length); \
 965                         return WERR_FOOBAR; \
 966                 } \
 967         } else { \
 968                 (p)->elem = NULL; \
 969         } \
 970 } while (0)
 971
 972 #define GET_DN_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
 973         struct drsuapi_DsReplicaAttribute *_a; \
 974         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
 975         if (strict && !_a) { \
 976                 d_printf("%s: %s == NULL\n", __location__, attr); \
 977                 return WERR_INVALID_PARAM; \
 978         } \
 979         if (strict && _a->value_ctr.num_values != 1) { \
 980                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
 981                         _a->value_ctr.num_values); \
 982                 return WERR_INVALID_PARAM; \
 983         } \
 984         if (strict && !_a->value_ctr.values[0].blob) { \
 985                 d_printf("%s: %s data == NULL\n", __location__, attr); \
 986                 return WERR_INVALID_PARAM; \
 987         } \
 988         if (_a && _a->value_ctr.num_values >= 1 \
 989             && _a->value_ctr.values[0].blob) { \
 990                 struct drsuapi_DsReplicaObjectIdentifier3 _id3; \
 991                 enum ndr_err_code _ndr_err; \
 992                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
 993                                                       mem_ctx, s->iconv_convenience, &_id3,\
 994                                                       (ndr_pull_flags_fn_t)ndr_pull_drsuapi_DsReplicaObjectIdentifier3);\
 995                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
 996                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
 997                         return ntstatus_to_werror(_nt_status); \
 998                 } \
 999                 (p)->elem = _id3.dn; \
1000         } else { \
1001                 (p)->elem = NULL; \
1002         } \
1003 } while (0)
1004
1005 #define GET_BOOL_DS(s, r, attr, p, elem, strict) do { \
1006         struct drsuapi_DsReplicaAttribute *_a; \
1007         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1008         if (strict && !_a) { \
1009                 d_printf("%s: %s == NULL\n", __location__, attr); \
1010                 return WERR_INVALID_PARAM; \
1011         } \
1012         if (strict && _a->value_ctr.num_values != 1) { \
1013                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1014                          (unsigned int)_a->value_ctr.num_values);       \
1015                 return WERR_INVALID_PARAM; \
1016         } \
1017         if (strict && !_a->value_ctr.values[0].blob) { \
1018                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1019                 return WERR_INVALID_PARAM; \
1020         } \
1021         if (strict && _a->value_ctr.values[0].blob->length != 4) { \
1022                 d_printf("%s: %s length == %u\n", __location__, attr, \
1023                          (unsigned int)_a->value_ctr.values[0].blob->length); \
1024                 return WERR_INVALID_PARAM; \
1025         } \
1026         if (_a && _a->value_ctr.num_values >= 1 \
1027             && _a->value_ctr.values[0].blob \
1028             && _a->value_ctr.values[0].blob->length == 4) { \
1029                 (p)->elem = (IVAL(_a->value_ctr.values[0].blob->data,0)?true:false);\
1030         } else { \
1031                 (p)->elem = false; \
1032         } \
1033 } while (0)
1034
1035 #define GET_UINT32_DS(s, r, attr, p, elem) do { \
1036         struct drsuapi_DsReplicaAttribute *_a; \
1037         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1038         if (_a && _a->value_ctr.num_values >= 1 \
1039             && _a->value_ctr.values[0].blob \
1040             && _a->value_ctr.values[0].blob->length == 4) { \
1041                 (p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1042         } else { \
1043                 (p)->elem = 0; \
1044         } \
1045 } while (0)
1046
1047 #define GET_GUID_DS(s, r, attr, mem_ctx, p, elem) do { \
1048         struct drsuapi_DsReplicaAttribute *_a; \
1049         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1050         if (_a && _a->value_ctr.num_values >= 1 \
1051             && _a->value_ctr.values[0].blob \
1052             && _a->value_ctr.values[0].blob->length == 16) { \
1053                 enum ndr_err_code _ndr_err; \
1054                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1055                                                       mem_ctx, s->iconv_convenience, &(p)->elem, \
1056                                                       (ndr_pull_flags_fn_t)ndr_pull_GUID); \
1057                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1058                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1059                         return ntstatus_to_werror(_nt_status); \
1060                 } \
1061         } else { \
1062                 ZERO_STRUCT((p)->elem);\
1063         } \
1064 } while (0)
1065
1066 #define GET_BLOB_DS(s, r, attr, mem_ctx, p, elem) do { \
1067         struct drsuapi_DsReplicaAttribute *_a; \
1068         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1069         if (_a && _a->value_ctr.num_values >= 1 \
1070             && _a->value_ctr.values[0].blob) { \
1071                 (p)->elem = *_a->value_ctr.values[0].blob;\
1072                 talloc_steal(mem_ctx, (p)->elem.data); \
1073         } else { \
1074                 ZERO_STRUCT((p)->elem);\
1075         }\
1076 } while (0)
1077
1078 WERROR dsdb_attribute_from_drsuapi(struct dsdb_schema *schema,
1079                                    struct drsuapi_DsReplicaObject *r,
1080                                    TALLOC_CTX *mem_ctx,
1081                                    struct dsdb_attribute *attr)
1082 {
1083         WERROR status;
1084
1085         GET_STRING_DS(schema, r, "name", mem_ctx, attr, cn, true);
1086         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
1087         GET_UINT32_DS(schema, r, "attributeID", attr, attributeID_id);
1088         status = dsdb_map_int2oid(schema, attr->attributeID_id, mem_ctx, &attr->attributeID_oid);
1089         if (!W_ERROR_IS_OK(status)) {
1090                 DEBUG(0,("%s: '%s': unable to map attributeID 0x%08X: %s\n",
1091                         __location__, attr->lDAPDisplayName, attr->attributeID_id,
1092                         win_errstr(status)));
1093                 return status;
1094         }
1095         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, attr, schemaIDGUID);
1096         GET_UINT32_DS(schema, r, "mAPIID", attr, mAPIID);
1097
1098         GET_GUID_DS(schema, r, "attributeSecurityGUID", mem_ctx, attr, attributeSecurityGUID);
1099
1100         GET_UINT32_DS(schema, r, "searchFlags", attr, searchFlags);
1101         GET_UINT32_DS(schema, r, "systemFlags", attr, systemFlags);
1102         GET_BOOL_DS(schema, r, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
1103         GET_UINT32_DS(schema, r, "linkID", attr, linkID);
1104
1105         GET_UINT32_DS(schema, r, "attributeSyntax", attr, attributeSyntax_id);
1106         status = dsdb_map_int2oid(schema, attr->attributeSyntax_id, mem_ctx, &attr->attributeSyntax_oid);
1107         if (!W_ERROR_IS_OK(status)) {
1108                 DEBUG(0,("%s: '%s': unable to map attributeSyntax 0x%08X: %s\n",
1109                         __location__, attr->lDAPDisplayName, attr->attributeSyntax_id,
1110                         win_errstr(status)));
1111                 return status;
1112         }
1113         GET_UINT32_DS(schema, r, "oMSyntax", attr, oMSyntax);
1114         GET_BLOB_DS(schema, r, "oMObjectClass", mem_ctx, attr, oMObjectClass);
1115
1116         GET_BOOL_DS(schema, r, "isSingleValued", attr, isSingleValued, true);
1117         GET_UINT32_DS(schema, r, "rangeLower", attr, rangeLower);
1118         GET_UINT32_DS(schema, r, "rangeUpper", attr, rangeUpper);
1119         GET_BOOL_DS(schema, r, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
1120
1121         GET_UINT32_DS(schema, r, "schemaFlagsEx", attr, schemaFlagsEx);
1122         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
1123
1124         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
1125         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
1126         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, attr, adminDescription, false);
1127         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, attr, classDisplayName, false);
1128         GET_BOOL_DS(schema, r, "isEphemeral", attr, isEphemeral, false);
1129         GET_BOOL_DS(schema, r, "isDefunct", attr, isDefunct, false);
1130         GET_BOOL_DS(schema, r, "systemOnly", attr, systemOnly, false);
1131
1132         attr->syntax = dsdb_syntax_for_attribute(attr);
1133         if (!attr->syntax) {
1134                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1135         }
1136
1137         return WERR_OK;
1138 }
1139
1140 WERROR dsdb_class_from_drsuapi(struct dsdb_schema *schema,
1141                                struct drsuapi_DsReplicaObject *r,
1142                                TALLOC_CTX *mem_ctx,
1143                                struct dsdb_class *obj)
1144 {
1145         WERROR status;
1146
1147         GET_STRING_DS(schema, r, "name", mem_ctx, obj, cn, true);
1148         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
1149         GET_UINT32_DS(schema, r, "governsID", obj, governsID_id);
1150         status = dsdb_map_int2oid(schema, obj->governsID_id, mem_ctx, &obj->governsID_oid);
1151         if (!W_ERROR_IS_OK(status)) {
1152                 DEBUG(0,("%s: '%s': unable to map governsID 0x%08X: %s\n",
1153                         __location__, obj->lDAPDisplayName, obj->governsID_id,
1154                         win_errstr(status)));
1155                 return status;
1156         }
1157         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, obj, schemaIDGUID);
1158
1159         GET_UINT32_DS(schema, r, "objectClassCategory", obj, objectClassCategory);
1160         GET_STRING_DS(schema, r, "rDNAttID", mem_ctx, obj, rDNAttID, false);
1161         GET_DN_DS(schema, r, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
1162
1163         GET_STRING_DS(schema, r, "subClassOf", mem_ctx, obj, subClassOf, true);
1164
1165         obj->systemAuxiliaryClass       = NULL;
1166         obj->systemPossSuperiors        = NULL;
1167         obj->systemMustContain          = NULL;
1168         obj->systemMayContain           = NULL;
1169
1170         obj->auxiliaryClass             = NULL;
1171         obj->possSuperiors              = NULL;
1172         obj->mustContain                = NULL;
1173         obj->mayContain                 = NULL;
1174
1175         obj->possibleInferiors          = NULL;
1176
1177         GET_STRING_DS(schema, r, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
1178
1179         GET_UINT32_DS(schema, r, "schemaFlagsEx", obj, schemaFlagsEx);
1180         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
1181
1182         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
1183         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
1184         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, obj, adminDescription, false);
1185         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, obj, classDisplayName, false);
1186         GET_BOOL_DS(schema, r, "defaultHidingValue", obj, defaultHidingValue, false);
1187         GET_BOOL_DS(schema, r, "isDefunct", obj, isDefunct, false);
1188         GET_BOOL_DS(schema, r, "systemOnly", obj, systemOnly, false);
1189
1190         return WERR_OK;
1191 }
1192
1193 const struct dsdb_attribute *dsdb_attribute_by_attributeID_id(const struct dsdb_schema *schema,
1194                                                               uint32_t id)
1195 {
1196         struct dsdb_attribute *cur;
1197
1198         /*
1199          * 0xFFFFFFFF is used as value when no mapping table is available,
1200          * so don't try to match with it
1201          */
1202         if (id == 0xFFFFFFFF) return NULL;
1203
1204         /* TODO: add binary search */
1205         for (cur = schema->attributes; cur; cur = cur->next) {
1206                 if (cur->attributeID_id != id) continue;
1207
1208                 return cur;
1209         }
1210
1211         return NULL;
1212 }
1213
1214 const struct dsdb_attribute *dsdb_attribute_by_attributeID_oid(const struct dsdb_schema *schema,
1215                                                                const char *oid)
1216 {
1217         struct dsdb_attribute *cur;
1218
1219         if (!oid) return NULL;
1220
1221         /* TODO: add binary search */
1222         for (cur = schema->attributes; cur; cur = cur->next) {
1223                 if (strcmp(cur->attributeID_oid, oid) != 0) continue;
1224
1225                 return cur;
1226         }
1227
1228         return NULL;
1229 }
1230
1231 const struct dsdb_attribute *dsdb_attribute_by_lDAPDisplayName(const struct dsdb_schema *schema,
1232                                                                const char *name)
1233 {
1234         struct dsdb_attribute *cur;
1235
1236         if (!name) return NULL;
1237
1238         /* TODO: add binary search */
1239         for (cur = schema->attributes; cur; cur = cur->next) {
1240                 if (strcasecmp(cur->lDAPDisplayName, name) != 0) continue;
1241
1242                 return cur;
1243         }
1244
1245         return NULL;
1246 }
1247
1248 const struct dsdb_attribute *dsdb_attribute_by_linkID(const struct dsdb_schema *schema,
1249                                                       int linkID)
1250 {
1251         struct dsdb_attribute *cur;
1252
1253         /* TODO: add binary search */
1254         for (cur = schema->attributes; cur; cur = cur->next) {
1255                 if (cur->linkID != linkID) continue;
1256
1257                 return cur;
1258         }
1259
1260         return NULL;
1261 }
1262
1263 const struct dsdb_class *dsdb_class_by_governsID_id(const struct dsdb_schema *schema,
1264                                                     uint32_t id)
1265 {
1266         struct dsdb_class *cur;
1267
1268         /*
1269          * 0xFFFFFFFF is used as value when no mapping table is available,
1270          * so don't try to match with it
1271          */
1272         if (id == 0xFFFFFFFF) return NULL;
1273
1274         /* TODO: add binary search */
1275         for (cur = schema->classes; cur; cur = cur->next) {
1276                 if (cur->governsID_id != id) continue;
1277
1278                 return cur;
1279         }
1280
1281         return NULL;
1282 }
1283
1284 const struct dsdb_class *dsdb_class_by_governsID_oid(const struct dsdb_schema *schema,
1285                                                      const char *oid)
1286 {
1287         struct dsdb_class *cur;
1288
1289         if (!oid) return NULL;
1290
1291         /* TODO: add binary search */
1292         for (cur = schema->classes; cur; cur = cur->next) {
1293                 if (strcmp(cur->governsID_oid, oid) != 0) continue;
1294
1295                 return cur;
1296         }
1297
1298         return NULL;
1299 }
1300
1301 const struct dsdb_class *dsdb_class_by_lDAPDisplayName(const struct dsdb_schema *schema,
1302                                                        const char *name)
1303 {
1304         struct dsdb_class *cur;
1305
1306         if (!name) return NULL;
1307
1308         /* TODO: add binary search */
1309         for (cur = schema->classes; cur; cur = cur->next) {
1310                 if (strcasecmp(cur->lDAPDisplayName, name) != 0) continue;
1311
1312                 return cur;
1313         }
1314
1315         return NULL;
1316 }
1317
1318 const struct dsdb_class *dsdb_class_by_cn(const struct dsdb_schema *schema,
1319                                           const char *cn)
1320 {
1321         struct dsdb_class *cur;
1322
1323         if (!cn) return NULL;
1324
1325         /* TODO: add binary search */
1326         for (cur = schema->classes; cur; cur = cur->next) {
1327                 if (strcasecmp(cur->cn, cn) != 0) continue;
1328
1329                 return cur;
1330         }
1331
1332         return NULL;
1333 }
1334
1335 const char *dsdb_lDAPDisplayName_by_id(const struct dsdb_schema *schema,
1336                                        uint32_t id)
1337 {
1338         const struct dsdb_attribute *a;
1339         const struct dsdb_class *c;
1340
1341         /* TODO: add binary search */
1342         a = dsdb_attribute_by_attributeID_id(schema, id);
1343         if (a) {
1344                 return a->lDAPDisplayName;
1345         }
1346
1347         c = dsdb_class_by_governsID_id(schema, id);
1348         if (c) {
1349                 return c->lDAPDisplayName;
1350         }
1351
1352         return NULL;
1353 }
1354
1355 /**
1356     Return a list of linked attributes, in lDAPDisplayName format.
1357
1358     This may be used to determine if a modification would require
1359     backlinks to be updated, for example
1360 */
1361
1362 WERROR dsdb_linked_attribute_lDAPDisplayName_list(const struct dsdb_schema *schema, TALLOC_CTX *mem_ctx, const char ***attr_list_ret)
1363 {
1364         const char **attr_list = NULL;
1365         struct dsdb_attribute *cur;
1366         int i = 0;
1367         for (cur = schema->attributes; cur; cur = cur->next) {
1368                 if (cur->linkID == 0) continue;
1369
1370                 attr_list = talloc_realloc(mem_ctx, attr_list, const char *, i+2);
1371                 if (!attr_list) {
1372                         return WERR_NOMEM;
1373                 }
1374                 attr_list[i] = cur->lDAPDisplayName;
1375                 i++;
1376         }
1377         attr_list[i] = NULL;
1378         *attr_list_ret = attr_list;
1379         return WERR_OK;
1380 }
1381
1382 static char **merge_attr_list(TALLOC_CTX *mem_ctx,
1383                               char **attrs, const char **new_attrs)
1384 {
1385         char **ret_attrs;
1386         int i;
1387         size_t new_len, orig_len = str_list_length((const char **)attrs);
1388         if (!new_attrs) {
1389                 return attrs;
1390         }
1391
1392         ret_attrs = talloc_realloc(mem_ctx,
1393                                    attrs, char *, orig_len + str_list_length(new_attrs) + 1);
1394         if (ret_attrs) {
1395                 for (i=0; i < str_list_length(new_attrs); i++) {
1396                         ret_attrs[orig_len + i] = new_attrs[i];
1397                 }
1398                 new_len = orig_len + str_list_length(new_attrs);
1399
1400                 ret_attrs[new_len] = NULL;
1401
1402         }
1403
1404         return ret_attrs;
1405 }
1406
1407 char **dsdb_full_attribute_list_internal(TALLOC_CTX *mem_ctx,
1408                                          const struct dsdb_schema *schema,
1409                                          const char **class_list,
1410                                          enum dsdb_attr_list_query query)
1411 {
1412         int i;
1413         const struct dsdb_class *class;
1414
1415         char **attr_list = NULL;
1416         char **recursive_list;
1417
1418         for (i=0; class_list && class_list[i]; i++) {
1419                 class = dsdb_class_by_lDAPDisplayName(schema, class_list[i]);
1420
1421                 switch (query) {
1422                 case DSDB_SCHEMA_ALL_MAY:
1423                         attr_list = merge_attr_list(mem_ctx, attr_list, class->mayContain);
1424                         attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMayContain);
1425                         break;
1426
1427                 case DSDB_SCHEMA_ALL_MUST:
1428                         attr_list = merge_attr_list(mem_ctx, attr_list, class->mustContain);
1429                         attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMustContain);
1430                         break;
1431
1432                 case DSDB_SCHEMA_SYS_MAY:
1433                         attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMayContain);
1434                         break;
1435
1436                 case DSDB_SCHEMA_SYS_MUST:
1437                         attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMustContain);
1438                         break;
1439
1440                 case DSDB_SCHEMA_MAY:
1441                         attr_list = merge_attr_list(mem_ctx, attr_list, class->mayContain);
1442                         break;
1443
1444                 case DSDB_SCHEMA_MUST:
1445                         attr_list = merge_attr_list(mem_ctx, attr_list, class->mustContain);
1446                         break;
1447
1448                 case DSDB_SCHEMA_ALL:
1449                         attr_list = merge_attr_list(mem_ctx, attr_list, class->mayContain);
1450                         attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMayContain);
1451                         attr_list = merge_attr_list(mem_ctx, attr_list, class->mustContain);
1452                         attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMustContain);
1453                         break;
1454                 }
1455
1456                 recursive_list = dsdb_full_attribute_list_internal(mem_ctx, schema,
1457                                                                    class->systemAuxiliaryClass,
1458                                                                    query);
1459
1460                 attr_list = merge_attr_list(mem_ctx, attr_list, (const char **)recursive_list);
1461
1462                 recursive_list = dsdb_full_attribute_list_internal(mem_ctx, schema,
1463                                                                    class->auxiliaryClass,
1464                                                                    query);
1465
1466                 attr_list = merge_attr_list(mem_ctx, attr_list, (const char **)recursive_list);
1467
1468         }
1469         return attr_list;
1470 }
1471
1472 char **dsdb_full_attribute_list(TALLOC_CTX *mem_ctx,
1473                                 const struct dsdb_schema *schema,
1474                                 const char **class_list,
1475                                 enum dsdb_attr_list_query query)
1476 {
1477         char **attr_list = dsdb_full_attribute_list_internal(mem_ctx, schema, class_list, query);
1478         size_t new_len = str_list_length((const char **)attr_list);
1479
1480         /* Remove duplicates */
1481         if (new_len > 1) {
1482                 int i;
1483                 qsort(attr_list, new_len,
1484                       sizeof(*attr_list),
1485                       (comparison_fn_t)strcasecmp);
1486
1487                 for (i=1 ; i < new_len; i++) {
1488                         char **val1 = &attr_list[i-1];
1489                         char **val2 = &attr_list[i];
1490                         if (ldb_attr_cmp(*val1, *val2) == 0) {
1491                                 memmove(val1, val2, (new_len - i) * sizeof( *attr_list));
1492                                 new_len--;
1493                                 i--;
1494                         }
1495                 }
1496         }
1497         return attr_list;
1498 }
1499 /**
1500  * Attach the schema to an opaque pointer on the ldb, so ldb modules
1501  * can find it
1502  */
1503
1504 int dsdb_set_schema(struct ldb_context *ldb, struct dsdb_schema *schema)
1505 {
1506         int ret;
1507
1508         ret = ldb_set_opaque(ldb, "dsdb_schema", schema);
1509         if (ret != LDB_SUCCESS) {
1510                 return ret;
1511         }
1512
1513         talloc_steal(ldb, schema);
1514
1515         return LDB_SUCCESS;
1516 }
1517
1518 /**
1519  * Global variable to hold one copy of the schema, used to avoid memory bloat
1520  */
1521 static struct dsdb_schema *global_schema;
1522
1523 /**
1524  * Make this ldb use the 'global' schema, setup to avoid having multiple copies in this process
1525  */
1526 int dsdb_set_global_schema(struct ldb_context *ldb)
1527 {
1528         int ret;
1529         if (!global_schema) {
1530                 return LDB_SUCCESS;
1531         }
1532         ret = ldb_set_opaque(ldb, "dsdb_schema", global_schema);
1533         if (ret != LDB_SUCCESS) {
1534                 return ret;
1535         }
1536
1537         return LDB_SUCCESS;
1538 }
1539
1540 /**
1541  * Find the schema object for this ldb
1542  */
1543
1544 struct dsdb_schema *dsdb_get_schema(struct ldb_context *ldb)
1545 {
1546         const void *p;
1547         struct dsdb_schema *schema;
1548
1549         /* see if we have a cached copy */
1550         p = ldb_get_opaque(ldb, "dsdb_schema");
1551         if (!p) {
1552                 return NULL;
1553         }
1554
1555         schema = talloc_get_type(p, struct dsdb_schema);
1556         if (!schema) {
1557                 return NULL;
1558         }
1559
1560         return schema;
1561 }
1562
1563 /**
1564  * Make the schema found on this ldb the 'global' schema
1565  */
1566
1567 void dsdb_make_schema_global(struct ldb_context *ldb)
1568 {
1569         struct dsdb_schema *schema = dsdb_get_schema(ldb);
1570         if (!schema) {
1571                 return;
1572         }
1573
1574         talloc_steal(talloc_autofree_context(), schema);
1575         global_schema = schema;
1576
1577         dsdb_set_global_schema(ldb);
1578 }
1579
1580
1581 /**
1582  * Rather than read a schema from the LDB itself, read it from an ldif
1583  * file.  This allows schema to be loaded and used while adding the
1584  * schema itself to the directory.
1585  */
1586
1587 WERROR dsdb_attach_schema_from_ldif_file(struct ldb_context *ldb, const char *pf, const char *df)
1588 {
1589         struct ldb_ldif *ldif;
1590         struct ldb_message *msg;
1591         TALLOC_CTX *mem_ctx;
1592         WERROR status;
1593         int ret;
1594         struct dsdb_schema *schema;
1595         const struct ldb_val *prefix_val;
1596         const struct ldb_val *info_val;
1597         struct ldb_val info_val_default;
1598
1599         mem_ctx = talloc_new(ldb);
1600         if (!mem_ctx) {
1601                 goto nomem;
1602         }
1603
1604         schema = dsdb_new_schema(mem_ctx, lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")));
1605
1606         schema->fsmo.we_are_master = true;
1607         schema->fsmo.master_dn = ldb_dn_new_fmt(schema, ldb, "@PROVISION_SCHEMA_MASTER");
1608         if (!schema->fsmo.master_dn) {
1609                 goto nomem;
1610         }
1611
1612         /*
1613          * load the prefixMap attribute from pf
1614          */
1615         ldif = ldb_ldif_read_string(ldb, &pf);
1616         if (!ldif) {
1617                 status = WERR_INVALID_PARAM;
1618                 goto failed;
1619         }
1620         talloc_steal(mem_ctx, ldif);
1621
1622         msg = ldb_msg_canonicalize(ldb, ldif->msg);
1623         if (!msg) {
1624                 goto nomem;
1625         }
1626         talloc_steal(mem_ctx, msg);
1627         talloc_free(ldif);
1628
1629         prefix_val = ldb_msg_find_ldb_val(msg, "prefixMap");
1630         if (!prefix_val) {
1631                 status = WERR_INVALID_PARAM;
1632                 goto failed;
1633         }
1634
1635         info_val = ldb_msg_find_ldb_val(msg, "schemaInfo");
1636         if (!info_val) {
1637                 info_val_default = strhex_to_data_blob("FF0000000000000000000000000000000000000000");
1638                 if (!info_val_default.data) {
1639                         goto nomem;
1640                 }
1641                 talloc_steal(mem_ctx, info_val_default.data);
1642                 info_val = &info_val_default;
1643         }
1644
1645         status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
1646         if (!W_ERROR_IS_OK(status)) {
1647                 goto failed;
1648         }
1649
1650         /*
1651          * load the attribute and class definitions outof df
1652          */
1653         while ((ldif = ldb_ldif_read_string(ldb, &df))) {
1654                 bool is_sa;
1655                 bool is_sc;
1656
1657                 talloc_steal(mem_ctx, ldif);
1658
1659                 msg = ldb_msg_canonicalize(ldb, ldif->msg);
1660                 if (!msg) {
1661                         goto nomem;
1662                 }
1663
1664                 talloc_steal(mem_ctx, msg);
1665                 talloc_free(ldif);
1666
1667                 is_sa = ldb_msg_check_string_attribute(msg, "objectClass", "attributeSchema");
1668                 is_sc = ldb_msg_check_string_attribute(msg, "objectClass", "classSchema");
1669
1670                 if (is_sa) {
1671                         struct dsdb_attribute *sa;
1672
1673                         sa = talloc_zero(schema, struct dsdb_attribute);
1674                         if (!sa) {
1675                                 goto nomem;
1676                         }
1677
1678                         status = dsdb_attribute_from_ldb(schema, msg, sa, sa);
1679                         if (!W_ERROR_IS_OK(status)) {
1680                                 goto failed;
1681                         }
1682
1683                         DLIST_ADD_END(schema->attributes, sa, struct dsdb_attribute *);
1684                 } else if (is_sc) {
1685                         struct dsdb_class *sc;
1686
1687                         sc = talloc_zero(schema, struct dsdb_class);
1688                         if (!sc) {
1689                                 goto nomem;
1690                         }
1691
1692                         status = dsdb_class_from_ldb(schema, msg, sc, sc);
1693                         if (!W_ERROR_IS_OK(status)) {
1694                                 goto failed;
1695                         }
1696
1697                         DLIST_ADD_END(schema->classes, sc, struct dsdb_class *);
1698                 }
1699         }
1700
1701         ret = dsdb_set_schema(ldb, schema);
1702         if (ret != LDB_SUCCESS) {
1703                 status = WERR_FOOBAR;
1704                 goto failed;
1705         }
1706
1707         goto done;
1708
1709 nomem:
1710         status = WERR_NOMEM;
1711 failed:
1712 done:
1713         talloc_free(mem_ctx);
1714         return status;
1715 }