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 #include "lib/ldb/include/ldb_module.h"
  32 #include "../lib/util/asn1.h"
  33
  34 static WERROR dsdb_read_prefixes_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, uint32_t* num_prefixes, struct dsdb_schema_oid_prefix **prefixes);
  35
  36 struct dsdb_schema *dsdb_new_schema(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience)
  37 {
  38         struct dsdb_schema *schema = talloc_zero(mem_ctx, struct dsdb_schema);
  39         if (!schema) {
  40                 return NULL;
  41         }
  42
  43         schema->iconv_convenience = iconv_convenience;
  44         return schema;
  45 }
  46
  47
  48 WERROR dsdb_load_oid_mappings_drsuapi(struct dsdb_schema *schema, const struct drsuapi_DsReplicaOIDMapping_Ctr *ctr)
  49 {
  50         uint32_t i,j;
  51
  52         schema->prefixes = talloc_array(schema, struct dsdb_schema_oid_prefix, ctr->num_mappings);
  53         W_ERROR_HAVE_NO_MEMORY(schema->prefixes);
  54
  55         for (i=0, j=0; i < ctr->num_mappings; i++) {
  56                 if (ctr->mappings[i].oid.binary_oid == NULL) {
  57                         return WERR_INVALID_PARAM;
  58                 }
  59
  60                 if (ctr->mappings[i].oid.binary_oid[0] == 0xFF) {
  61                         if (ctr->mappings[i].id_prefix != 0) {
  62                                 return WERR_INVALID_PARAM;
  63                         }
  64
  65                         /* the magic value should be in the last array member */
  66                         if (i != (ctr->num_mappings - 1)) {
  67                                 return WERR_INVALID_PARAM;
  68                         }
  69
  70                         if (ctr->mappings[i].oid.length != 21) {
  71                                 return WERR_INVALID_PARAM;
  72                         }
  73
  74                         schema->schema_info = hex_encode_talloc(schema,
  75                                                                 ctr->mappings[i].oid.binary_oid,
  76                                                                 ctr->mappings[i].oid.length);
  77                         W_ERROR_HAVE_NO_MEMORY(schema->schema_info);
  78                 } else {
  79                         DATA_BLOB oid_blob;
  80                         const char *partial_oid = NULL;
  81
  82                         /* the last array member should contain the magic value not a oid */
  83                         if (i == (ctr->num_mappings - 1)) {
  84                                 return WERR_INVALID_PARAM;
  85                         }
  86
  87                         oid_blob = data_blob_const(ctr->mappings[i].oid.binary_oid,
  88                                                    ctr->mappings[i].oid.length);
  89                         if (!ber_read_partial_OID_String(schema->prefixes, oid_blob, &partial_oid)) {
  90                                 DEBUG(0, ("ber_read_partial_OID failed on prefixMap item with id: 0x%X",
  91                                           ctr->mappings[i].id_prefix));
  92                                 return WERR_INVALID_PARAM;
  93                         }
  94
  95                         schema->prefixes[j].id  = ctr->mappings[i].id_prefix<<16;
  96                         schema->prefixes[j].oid = partial_oid;
  97                         W_ERROR_HAVE_NO_MEMORY(schema->prefixes[j].oid);
  98                         schema->prefixes[j].oid_len = strlen(schema->prefixes[j].oid);
  99                         j++;
 100                 }
 101         }
 102
 103         schema->num_prefixes = j;
 104         return WERR_OK;
 105 }
 106
 107 WERROR dsdb_load_oid_mappings_ldb(struct dsdb_schema *schema,
 108                                   const struct ldb_val *prefixMap,
 109                                   const struct ldb_val *schemaInfo)
 110 {
 111         WERROR status;
 112         enum ndr_err_code ndr_err;
 113         struct prefixMapBlob pfm;
 114         DATA_BLOB schema_info_blob;
 115
 116         TALLOC_CTX *mem_ctx = talloc_new(schema);
 117         W_ERROR_HAVE_NO_MEMORY(mem_ctx);
 118
 119         ndr_err = ndr_pull_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
 120         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 121                 NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
 122                 talloc_free(mem_ctx);
 123                 return ntstatus_to_werror(nt_status);
 124         }
 125
 126         if (pfm.version != PREFIX_MAP_VERSION_DSDB) {
 127                 talloc_free(mem_ctx);
 128                 return WERR_FOOBAR;
 129         }
 130
 131         if (schemaInfo->length != 21 && schemaInfo->data[0] == 0xFF) {
 132                 talloc_free(mem_ctx);
 133                 return WERR_FOOBAR;
 134         }
 135
 136         /* append the schema info as last element */
 137         pfm.ctr.dsdb.num_mappings++;
 138         pfm.ctr.dsdb.mappings = talloc_realloc(mem_ctx, pfm.ctr.dsdb.mappings,
 139                                                struct drsuapi_DsReplicaOIDMapping,
 140                                                pfm.ctr.dsdb.num_mappings);
 141         W_ERROR_HAVE_NO_MEMORY(pfm.ctr.dsdb.mappings);
 142
 143         schema_info_blob = data_blob_dup_talloc(pfm.ctr.dsdb.mappings, schemaInfo);
 144         W_ERROR_HAVE_NO_MEMORY(schema_info_blob.data);
 145
 146         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].id_prefix          = 0;
 147         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].oid.length         = schemaInfo->length;
 148         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].oid.binary_oid     = schema_info_blob.data;
 149
 150         /* call the drsuapi version */
 151         status = dsdb_load_oid_mappings_drsuapi(schema, &pfm.ctr.dsdb);
 152         talloc_free(mem_ctx);
 153
 154         W_ERROR_NOT_OK_RETURN(status);
 155
 156         return WERR_OK;
 157 }
 158
 159 WERROR dsdb_get_oid_mappings_drsuapi(const struct dsdb_schema *schema,
 160                                      bool include_schema_info,
 161                                      TALLOC_CTX *mem_ctx,
 162                                      struct drsuapi_DsReplicaOIDMapping_Ctr **_ctr)
 163 {
 164         DATA_BLOB oid_blob;
 165         struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
 166         uint32_t i;
 167
 168         ctr = talloc(mem_ctx, struct drsuapi_DsReplicaOIDMapping_Ctr);
 169         W_ERROR_HAVE_NO_MEMORY(ctr);
 170
 171         ctr->num_mappings       = schema->num_prefixes;
 172         if (include_schema_info) ctr->num_mappings++;
 173         ctr->mappings = talloc_array(schema, struct drsuapi_DsReplicaOIDMapping, ctr->num_mappings);
 174         W_ERROR_HAVE_NO_MEMORY(ctr->mappings);
 175
 176         for (i=0; i < schema->num_prefixes; i++) {
 177                 if (!ber_write_partial_OID_String(ctr->mappings, &oid_blob, schema->prefixes[i].oid)) {
 178                         DEBUG(0, ("write_partial_OID failed for %s", schema->prefixes[i].oid));
 179                         return WERR_INTERNAL_ERROR;
 180                 }
 181
 182                 ctr->mappings[i].id_prefix      = schema->prefixes[i].id>>16;
 183                 ctr->mappings[i].oid.length     = oid_blob.length;
 184                 ctr->mappings[i].oid.binary_oid = oid_blob.data;
 185         }
 186
 187         if (include_schema_info) {
 188                 oid_blob = strhex_to_data_blob(ctr->mappings, schema->schema_info);
 189                 W_ERROR_HAVE_NO_MEMORY(oid_blob.data);
 190
 191                 ctr->mappings[i].id_prefix      = 0;
 192                 ctr->mappings[i].oid.length     = oid_blob.length;
 193                 ctr->mappings[i].oid.binary_oid = oid_blob.data;
 194         }
 195
 196         *_ctr = ctr;
 197         return WERR_OK;
 198 }
 199
 200 WERROR dsdb_get_oid_mappings_ldb(const struct dsdb_schema *schema,
 201                                  TALLOC_CTX *mem_ctx,
 202                                  struct ldb_val *prefixMap,
 203                                  struct ldb_val *schemaInfo)
 204 {
 205         WERROR status;
 206         enum ndr_err_code ndr_err;
 207         struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
 208         struct prefixMapBlob pfm;
 209
 210         status = dsdb_get_oid_mappings_drsuapi(schema, false, mem_ctx, &ctr);
 211         W_ERROR_NOT_OK_RETURN(status);
 212
 213         pfm.version     = PREFIX_MAP_VERSION_DSDB;
 214         pfm.reserved    = 0;
 215         pfm.ctr.dsdb    = *ctr;
 216
 217         ndr_err = ndr_push_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
 218         talloc_free(ctr);
 219         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 220                 NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
 221                 return ntstatus_to_werror(nt_status);
 222         }
 223
 224         *schemaInfo = strhex_to_data_blob(mem_ctx, schema->schema_info);
 225         W_ERROR_HAVE_NO_MEMORY(schemaInfo->data);
 226
 227         return WERR_OK;
 228 }
 229
 230 WERROR dsdb_verify_oid_mappings_drsuapi(const struct dsdb_schema *schema, const struct drsuapi_DsReplicaOIDMapping_Ctr *ctr)
 231 {
 232         uint32_t i,j;
 233         DATA_BLOB oid_blob;
 234
 235         for (i=0; i < ctr->num_mappings; i++) {
 236                 if (ctr->mappings[i].oid.binary_oid == NULL) {
 237                         return WERR_INVALID_PARAM;
 238                 }
 239
 240                 if (ctr->mappings[i].oid.binary_oid[0] == 0xFF) {
 241                         if (ctr->mappings[i].id_prefix != 0) {
 242                                 return WERR_INVALID_PARAM;
 243                         }
 244
 245                         /* the magic value should be in the last array member */
 246                         if (i != (ctr->num_mappings - 1)) {
 247                                 return WERR_INVALID_PARAM;
 248                         }
 249
 250                         if (ctr->mappings[i].oid.length != 21) {
 251                                 return WERR_INVALID_PARAM;
 252                         }
 253
 254                         oid_blob = strhex_to_data_blob(NULL, schema->schema_info);
 255                         W_ERROR_HAVE_NO_MEMORY(oid_blob.data);
 256
 257                         if (memcmp(oid_blob.data, ctr->mappings[i].oid.binary_oid, 21) != 0) {
 258                                 data_blob_free(&oid_blob);
 259                                 return WERR_DS_DRA_SCHEMA_MISMATCH;
 260                         }
 261
 262                         data_blob_free(&oid_blob);
 263                 } else {
 264                         /* the last array member should contain the magic value not a oid */
 265                         if (i == (ctr->num_mappings - 1)) {
 266                                 return WERR_INVALID_PARAM;
 267                         }
 268
 269                         for (j=0; j < schema->num_prefixes; j++) {
 270                                 if (schema->prefixes[j].id != (ctr->mappings[i].id_prefix<<16)) {
 271                                         continue;
 272                                 }
 273
 274                                 if (!ber_write_partial_OID_String(NULL, &oid_blob, schema->prefixes[j].oid)) {
 275                                         return WERR_INTERNAL_ERROR;
 276                                 }
 277
 278                                 if (oid_blob.length != ctr->mappings[j].oid.length) {
 279                                         data_blob_free(&oid_blob);
 280                                         return WERR_DS_DRA_SCHEMA_MISMATCH;
 281                                 }
 282
 283                                 if (memcmp(ctr->mappings[i].oid.binary_oid, oid_blob.data, oid_blob.length) != 0) {
 284                                         data_blob_free(&oid_blob);
 285                                         return WERR_DS_DRA_SCHEMA_MISMATCH;
 286                                 }
 287
 288                                 data_blob_free(&oid_blob);
 289
 290                                 break;
 291                         }
 292
 293                         if (j == schema->num_prefixes) {
 294                                 return WERR_DS_DRA_SCHEMA_MISMATCH;
 295                         }
 296                 }
 297         }
 298
 299         return WERR_OK;
 300 }
 301
 302 WERROR dsdb_map_oid2int(const struct dsdb_schema *schema, const char *in, uint32_t *out)
 303 {
 304         return dsdb_find_prefix_for_oid(schema->num_prefixes, schema->prefixes, in, out);
 305 }
 306
 307
 308 WERROR dsdb_map_int2oid(const struct dsdb_schema *schema, uint32_t in, TALLOC_CTX *mem_ctx, const char **out)
 309 {
 310         uint32_t i;
 311
 312         for (i=0; i < schema->num_prefixes; i++) {
 313                 const char *val;
 314                 if (schema->prefixes[i].id != (in & 0xFFFF0000)) {
 315                         continue;
 316                 }
 317
 318                 val = talloc_asprintf(mem_ctx, "%s.%u",
 319                                       schema->prefixes[i].oid,
 320                                       in & 0xFFFF);
 321                 W_ERROR_HAVE_NO_MEMORY(val);
 322
 323                 *out = val;
 324                 return WERR_OK;
 325         }
 326
 327         return WERR_DS_NO_MSDS_INTID;
 328 }
 329
 330 /*
 331  * this function is called from within a ldb transaction from the schema_fsmo module
 332  */
 333 WERROR dsdb_create_prefix_mapping(struct ldb_context *ldb, struct dsdb_schema *schema, const char *full_oid)
 334 {
 335         WERROR status;
 336         uint32_t num_prefixes;
 337         struct dsdb_schema_oid_prefix *prefixes;
 338         TALLOC_CTX *mem_ctx;
 339         uint32_t out;
 340
 341         mem_ctx = talloc_new(ldb);
 342         W_ERROR_HAVE_NO_MEMORY(mem_ctx);
 343
 344         /* Read prefixes from disk*/
 345         status = dsdb_read_prefixes_from_ldb( mem_ctx, ldb, &num_prefixes, &prefixes );
 346         if (!W_ERROR_IS_OK(status)) {
 347                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_read_prefixes_from_ldb: %s\n",
 348                         win_errstr(status)));
 349                 talloc_free(mem_ctx);
 350                 return status;
 351         }
 352
 353         /* Check if there is a prefix for the oid in the prefixes array*/
 354         status = dsdb_find_prefix_for_oid( num_prefixes, prefixes, full_oid, &out );
 355         if (W_ERROR_IS_OK(status)) {
 356                 /* prefix found*/
 357                 talloc_free(mem_ctx);
 358                 return status;
 359         } else if (!W_ERROR_EQUAL(WERR_DS_NO_MSDS_INTID, status)) {
 360                 /* error */
 361                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_find_prefix_for_oid: %s\n",
 362                         win_errstr(status)));
 363                 talloc_free(mem_ctx);
 364                 return status;
 365         }
 366
 367         /* Create the new mapping for the prefix of full_oid */
 368         status = dsdb_prefix_map_update(mem_ctx, &num_prefixes, &prefixes, full_oid);
 369         if (!W_ERROR_IS_OK(status)) {
 370                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_prefix_map_update: %s\n",
 371                         win_errstr(status)));
 372                 talloc_free(mem_ctx);
 373                 return status;
 374         }
 375
 376         talloc_free(schema->prefixes);
 377         schema->prefixes = talloc_steal(schema, prefixes);
 378         schema->num_prefixes = num_prefixes;
 379
 380         /* Update prefixMap in ldb*/
 381         status = dsdb_write_prefixes_from_schema_to_ldb(mem_ctx, ldb, schema);
 382         if (!W_ERROR_IS_OK(status)) {
 383                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_write_prefixes_to_ldb: %s\n",
 384                         win_errstr(status)));
 385                 talloc_free(mem_ctx);
 386                 return status;
 387         }
 388
 389         DEBUG(2,(__location__ " Added prefixMap %s - now have %u prefixes\n",
 390                  full_oid, num_prefixes));
 391
 392         talloc_free(mem_ctx);
 393         return status;
 394 }
 395
 396 WERROR dsdb_prefix_map_update(TALLOC_CTX *mem_ctx, uint32_t *num_prefixes, struct dsdb_schema_oid_prefix **prefixes, const char *oid)
 397 {
 398         uint32_t new_num_prefixes, index_new_prefix, new_entry_id;
 399         const char* lastDotOffset;
 400         size_t size;
 401
 402         new_num_prefixes = *num_prefixes + 1;
 403         index_new_prefix = *num_prefixes;
 404
 405         /*
 406          * this is the algorithm we use to create new mappings for now
 407          *
 408          * TODO: find what algorithm windows use
 409          */
 410         new_entry_id = (*num_prefixes)<<16;
 411
 412         /* Extract the prefix from the oid*/
 413         lastDotOffset = strrchr(oid, '.');
 414         if (lastDotOffset == NULL) {
 415                 DEBUG(0,("dsdb_prefix_map_update: failed to find the last dot\n"));
 416                 return WERR_NOT_FOUND;
 417         }
 418
 419         /* Calculate the size of the remainig string that should be the prefix of it */
 420         size = strlen(oid) - strlen(lastDotOffset);
 421         if (size <= 0) {
 422                 DEBUG(0,("dsdb_prefix_map_update: size of the remaining string invalid\n"));
 423                 return WERR_FOOBAR;
 424         }
 425
 426         /* Create a spot in the prefixMap for one more prefix*/
 427         (*prefixes) = talloc_realloc(mem_ctx, *prefixes, struct dsdb_schema_oid_prefix, new_num_prefixes);
 428         W_ERROR_HAVE_NO_MEMORY(*prefixes);
 429
 430         /* Add the new prefix entry*/
 431         (*prefixes)[index_new_prefix].id = new_entry_id;
 432         (*prefixes)[index_new_prefix].oid = talloc_strndup(mem_ctx, oid, size);
 433         (*prefixes)[index_new_prefix].oid_len = strlen((*prefixes)[index_new_prefix].oid);
 434
 435         /* Increase num_prefixes because new prefix has been added */
 436         ++(*num_prefixes);
 437
 438         return WERR_OK;
 439 }
 440
 441 WERROR dsdb_find_prefix_for_oid(uint32_t num_prefixes, const struct dsdb_schema_oid_prefix *prefixes, const char *in, uint32_t *out)
 442 {
 443         uint32_t i;
 444         char *oid_prefix;
 445         char *pstr;
 446         char *end_str;
 447         unsigned val;
 448
 449         /* make oid prefix, i.e. oid w/o last subidentifier */
 450         pstr = strrchr(in, '.');
 451         if (!pstr)      return WERR_INVALID_PARAM;
 452         if (pstr < in)  return WERR_INVALID_PARAM;
 453         if ((pstr - in) < 4) return WERR_INVALID_PARAM;
 454
 455         oid_prefix = talloc_strndup(0, in, pstr - in);
 456
 457         for (i=0; i < num_prefixes; i++) {
 458                 if (strcmp(prefixes[i].oid, oid_prefix) == 0) {
 459                         break;
 460                 }
 461         }
 462
 463         talloc_free(oid_prefix);
 464
 465         if (i < num_prefixes) {
 466                 /* move next to '.' char */
 467                 pstr++;
 468
 469                 val = strtoul(pstr, &end_str, 10);
 470                 if (end_str[0] != '\0') {
 471                         return WERR_INVALID_PARAM;
 472                 } else if (val > 0xFFFF) {
 473                         return WERR_INVALID_PARAM;
 474                 }
 475
 476                 *out = prefixes[i].id | val;
 477                 return WERR_OK;
 478         }
 479
 480         DEBUG(5,(__location__ " Failed to find oid %s - have %u prefixes\n", in, num_prefixes));
 481
 482         return WERR_DS_NO_MSDS_INTID;
 483 }
 484
 485 WERROR dsdb_write_prefixes_from_schema_to_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 486                                                      const struct dsdb_schema *schema)
 487 {
 488         struct ldb_message *msg = ldb_msg_new(mem_ctx);
 489         struct ldb_dn *schema_dn;
 490         struct prefixMapBlob pm;
 491         struct ldb_val ndr_blob;
 492         enum ndr_err_code ndr_err;
 493         uint32_t i;
 494         int ret;
 495
 496         if (!msg) {
 497                 return WERR_NOMEM;
 498         }
 499
 500         schema_dn = samdb_schema_dn(ldb);
 501         if (!schema_dn) {
 502                 DEBUG(0,("dsdb_write_prefixes_from_schema_to_ldb: no schema dn present\n"));
 503                 return WERR_FOOBAR;
 504         }
 505
 506         pm.version                      = PREFIX_MAP_VERSION_DSDB;
 507         pm.ctr.dsdb.num_mappings        = schema->num_prefixes;
 508         pm.ctr.dsdb.mappings            = talloc_array(msg,
 509                                                 struct drsuapi_DsReplicaOIDMapping,
 510                                                 pm.ctr.dsdb.num_mappings);
 511         if (!pm.ctr.dsdb.mappings) {
 512                 talloc_free(msg);
 513                 return WERR_NOMEM;
 514         }
 515
 516         for (i=0; i < schema->num_prefixes; i++) {
 517                 DATA_BLOB oid_blob;
 518
 519                 if (!ber_write_partial_OID_String(pm.ctr.dsdb.mappings, &oid_blob, schema->prefixes[i].oid)) {
 520                         DEBUG(0, ("write_partial_OID failed for %s", schema->prefixes[i].oid));
 521                         return WERR_INTERNAL_ERROR;
 522                 }
 523
 524                 pm.ctr.dsdb.mappings[i].id_prefix       = schema->prefixes[i].id>>16;
 525                 pm.ctr.dsdb.mappings[i].oid.length      = oid_blob.length;
 526                 pm.ctr.dsdb.mappings[i].oid.binary_oid  = oid_blob.data;
 527         }
 528
 529         ndr_err = ndr_push_struct_blob(&ndr_blob, msg,
 530                                        lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
 531                                        &pm,
 532                                        (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
 533         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 534                 talloc_free(msg);
 535                 return WERR_FOOBAR;
 536         }
 537
 538         msg->dn = schema_dn;
 539         ret = ldb_msg_add_value(msg, "prefixMap", &ndr_blob, NULL);
 540         if (ret != 0) {
 541                 talloc_free(msg);
 542                 DEBUG(0,("dsdb_write_prefixes_from_schema_to_ldb: ldb_msg_add_value failed\n"));
 543                 return WERR_NOMEM;
 544         }
 545
 546         ret = samdb_replace( ldb, msg, msg );
 547         talloc_free(msg);
 548
 549         if (ret != 0) {
 550                 DEBUG(0,("dsdb_write_prefixes_from_schema_to_ldb: samdb_replace failed\n"));
 551                 return WERR_FOOBAR;
 552         }
 553
 554         return WERR_OK;
 555 }
 556
 557 static WERROR dsdb_read_prefixes_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, uint32_t* num_prefixes, struct dsdb_schema_oid_prefix **prefixes)
 558 {
 559         struct prefixMapBlob *blob;
 560         enum ndr_err_code ndr_err;
 561         uint32_t i;
 562         const struct ldb_val *prefix_val;
 563         struct ldb_dn *schema_dn;
 564         struct ldb_result *schema_res = NULL;
 565         int ret;
 566         static const char *schema_attrs[] = {
 567                 "prefixMap",
 568                 NULL
 569         };
 570
 571         schema_dn = samdb_schema_dn(ldb);
 572         if (!schema_dn) {
 573                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no schema dn present\n"));
 574                 return WERR_FOOBAR;
 575         }
 576
 577         ret = ldb_search(ldb, mem_ctx, &schema_res, schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
 578         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
 579                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefix map present\n"));
 580                 talloc_free(schema_res);
 581                 return WERR_FOOBAR;
 582         } else if (ret != LDB_SUCCESS) {
 583                 DEBUG(0,("dsdb_read_prefixes_from_ldb: failed to search the schema head\n"));
 584                 talloc_free(schema_res);
 585                 return WERR_FOOBAR;
 586         }
 587
 588         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
 589         if (!prefix_val) {
 590                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefixMap attribute found\n"));
 591                 talloc_free(schema_res);
 592                 return WERR_FOOBAR;
 593         }
 594
 595         blob = talloc(mem_ctx, struct prefixMapBlob);
 596         W_ERROR_HAVE_NO_MEMORY(blob);
 597
 598         ndr_err = ndr_pull_struct_blob(prefix_val, blob,
 599                                            lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
 600                                            blob,
 601                                            (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
 602         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 603                 DEBUG(0,("dsdb_read_prefixes_from_ldb: ndr_pull_struct_blob failed\n"));
 604                 talloc_free(blob);
 605                 talloc_free(schema_res);
 606                 return WERR_FOOBAR;
 607         }
 608
 609         talloc_free(schema_res);
 610
 611         if (blob->version != PREFIX_MAP_VERSION_DSDB) {
 612                 DEBUG(0,("dsdb_read_prefixes_from_ldb: blob->version incorect\n"));
 613                 talloc_free(blob);
 614                 return WERR_FOOBAR;
 615         }
 616
 617         *num_prefixes = blob->ctr.dsdb.num_mappings;
 618         *prefixes = talloc_array(mem_ctx, struct dsdb_schema_oid_prefix, *num_prefixes);
 619         if(!(*prefixes)) {
 620                 talloc_free(blob);
 621                 return WERR_NOMEM;
 622         }
 623         for (i=0; i < blob->ctr.dsdb.num_mappings; i++) {
 624                 DATA_BLOB oid_blob;
 625                 const char *partial_oid;
 626
 627                 oid_blob = data_blob_const(blob->ctr.dsdb.mappings[i].oid.binary_oid,
 628                                            blob->ctr.dsdb.mappings[i].oid.length);
 629
 630                 if (!ber_read_partial_OID_String(mem_ctx, oid_blob, &partial_oid)) {
 631                         DEBUG(0, ("ber_read_partial_OID failed on prefixMap item with id: 0x%X",
 632                                         blob->ctr.dsdb.mappings[i].id_prefix));
 633                         talloc_free(blob);
 634                         return WERR_INVALID_PARAM;
 635                 }
 636
 637                 (*prefixes)[i].id = blob->ctr.dsdb.mappings[i].id_prefix<<16;
 638                 (*prefixes)[i].oid = partial_oid;
 639                 (*prefixes)[i].oid_len = strlen((*prefixes)[i].oid);
 640         }
 641
 642         talloc_free(blob);
 643         return WERR_OK;
 644 }
 645
 646 /*
 647   this will be replaced with something that looks at the right part of
 648   the schema once we know where unique indexing information is hidden
 649  */
 650 static bool dsdb_schema_unique_attribute(const char *attr)
 651 {
 652         const char *attrs[] = { "objectGUID", "objectSID" , NULL };
 653         int i;
 654         for (i=0;attrs[i];i++) {
 655                 if (strcasecmp(attr, attrs[i]) == 0) {
 656                         return true;
 657                 }
 658         }
 659         return false;
 660 }
 661
 662
 663 /*
 664   setup the ldb_schema_attribute field for a dsdb_attribute
 665  */
 666 static int dsdb_schema_setup_ldb_schema_attribute(struct ldb_context *ldb,
 667                                                   struct dsdb_attribute *attr)
 668 {
 669         const char *syntax = attr->syntax->ldb_syntax;
 670         const struct ldb_schema_syntax *s;
 671         struct ldb_schema_attribute *a;
 672
 673         if (!syntax) {
 674                 syntax = attr->syntax->ldap_oid;
 675         }
 676
 677         s = ldb_samba_syntax_by_lDAPDisplayName(ldb, attr->lDAPDisplayName);
 678         if (s == NULL) {
 679                 s = ldb_samba_syntax_by_name(ldb, syntax);
 680         }
 681         if (s == NULL) {
 682                 s = ldb_standard_syntax_by_name(ldb, syntax);
 683         }
 684
 685         if (s == NULL) {
 686                 return LDB_ERR_OPERATIONS_ERROR;
 687         }
 688
 689         attr->ldb_schema_attribute = a = talloc(attr, struct ldb_schema_attribute);
 690         if (attr->ldb_schema_attribute == NULL) {
 691                 ldb_oom(ldb);
 692                 return LDB_ERR_OPERATIONS_ERROR;
 693         }
 694
 695         a->name = attr->lDAPDisplayName;
 696         a->flags = 0;
 697         a->syntax = s;
 698
 699         if (dsdb_schema_unique_attribute(a->name)) {
 700                 a->flags |= LDB_ATTR_FLAG_UNIQUE_INDEX;
 701         }
 702         if (attr->isSingleValued) {
 703                 a->flags |= LDB_ATTR_FLAG_SINGLE_VALUE;
 704         }
 705
 706
 707         return LDB_SUCCESS;
 708 }
 709
 710
 711 #define GET_STRING_LDB(msg, attr, mem_ctx, p, elem, strict) do { \
 712         const struct ldb_val *get_string_val = ldb_msg_find_ldb_val(msg, attr); \
 713         if (get_string_val == NULL) { \
 714                 if (strict) {                                     \
 715                         d_printf("%s: %s == NULL\n", __location__, attr); \
 716                         return WERR_INVALID_PARAM;                      \
 717                 } else {                                                \
 718                         (p)->elem = NULL;                               \
 719                 }                                                       \
 720         } else {                                                        \
 721                 (p)->elem = talloc_strndup(mem_ctx,                     \
 722                                            (const char *)get_string_val->data, \
 723                                            get_string_val->length); \
 724                 if (!(p)->elem) {                                       \
 725                         d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
 726                         return WERR_NOMEM;                              \
 727                 }                                                       \
 728         }                                                               \
 729 } while (0)
 730
 731 #define GET_STRING_LIST_LDB(msg, attr, mem_ctx, p, elem, strict) do {   \
 732         int get_string_list_counter;                                    \
 733         struct ldb_message_element *get_string_list_el = ldb_msg_find_element(msg, attr); \
 734         if (get_string_list_el == NULL) {                               \
 735                 if (strict) {                                           \
 736                         d_printf("%s: %s == NULL\n", __location__, attr); \
 737                         return WERR_INVALID_PARAM;                      \
 738                 } else {                                                \
 739                         (p)->elem = NULL;                               \
 740                         break;                                          \
 741                 }                                                       \
 742         }                                                               \
 743         (p)->elem = talloc_array(mem_ctx, const char *, get_string_list_el->num_values + 1); \
 744         for (get_string_list_counter=0;                                 \
 745              get_string_list_counter < get_string_list_el->num_values;  \
 746              get_string_list_counter++) {                               \
 747                 (p)->elem[get_string_list_counter] = talloc_strndup((p)->elem, \
 748                                                                     (const char *)get_string_list_el->values[get_string_list_counter].data, \
 749                                                                     get_string_list_el->values[get_string_list_counter].length); \
 750                 if (!(p)->elem[get_string_list_counter]) {              \
 751                         d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
 752                         return WERR_NOMEM;                              \
 753                 }                                                       \
 754                 (p)->elem[get_string_list_counter+1] = NULL;            \
 755         }                                                               \
 756         talloc_steal(mem_ctx, (p)->elem);                               \
 757 } while (0)
 758
 759 #define GET_BOOL_LDB(msg, attr, p, elem, strict) do { \
 760         const char *str; \
 761         str = samdb_result_string(msg, attr, NULL);\
 762         if (str == NULL) { \
 763                 if (strict) { \
 764                         d_printf("%s: %s == NULL\n", __location__, attr); \
 765                         return WERR_INVALID_PARAM; \
 766                 } else { \
 767                         (p)->elem = false; \
 768                 } \
 769         } else if (strcasecmp("TRUE", str) == 0) { \
 770                 (p)->elem = true; \
 771         } else if (strcasecmp("FALSE", str) == 0) { \
 772                 (p)->elem = false; \
 773         } else { \
 774                 d_printf("%s: %s == %s\n", __location__, attr, str); \
 775                 return WERR_INVALID_PARAM; \
 776         } \
 777 } while (0)
 778
 779 #define GET_UINT32_LDB(msg, attr, p, elem) do { \
 780         (p)->elem = samdb_result_uint(msg, attr, 0);\
 781 } while (0)
 782
 783 #define GET_UINT32_PTR_LDB(msg, attr, p, elem) do { \
 784         uint64_t _v = samdb_result_uint64(msg, attr, UINT64_MAX);\
 785         if (_v == UINT64_MAX) { \
 786                 (p)->elem = NULL; \
 787         } else if (_v > UINT32_MAX) { \
 788                 d_printf("%s: %s == 0x%llX\n", __location__, \
 789                          attr, (unsigned long long)_v); \
 790                 return WERR_INVALID_PARAM; \
 791         } else { \
 792                 (p)->elem = talloc(mem_ctx, uint32_t); \
 793                 if (!(p)->elem) { \
 794                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
 795                         return WERR_NOMEM; \
 796                 } \
 797                 *(p)->elem = (uint32_t)_v; \
 798         } \
 799 } while (0)
 800
 801 #define GET_GUID_LDB(msg, attr, p, elem) do { \
 802         (p)->elem = samdb_result_guid(msg, attr);\
 803 } while (0)
 804
 805 #define GET_BLOB_LDB(msg, attr, mem_ctx, p, elem) do { \
 806         const struct ldb_val *_val;\
 807         _val = ldb_msg_find_ldb_val(msg, attr);\
 808         if (_val) {\
 809                 (p)->elem = *_val;\
 810                 talloc_steal(mem_ctx, (p)->elem.data);\
 811         } else {\
 812                 ZERO_STRUCT((p)->elem);\
 813         }\
 814 } while (0)
 815
 816 WERROR dsdb_attribute_from_ldb(struct ldb_context *ldb,
 817                                const struct dsdb_schema *schema,
 818                                struct ldb_message *msg,
 819                                TALLOC_CTX *mem_ctx,
 820                                struct dsdb_attribute *attr)
 821 {
 822         WERROR status;
 823
 824         GET_STRING_LDB(msg, "cn", mem_ctx, attr, cn, false);
 825         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
 826         GET_STRING_LDB(msg, "attributeID", mem_ctx, attr, attributeID_oid, true);
 827         if (schema->num_prefixes == 0) {
 828                 /* set an invalid value */
 829                 attr->attributeID_id = 0xFFFFFFFF;
 830         } else {
 831                 status = dsdb_map_oid2int(schema, attr->attributeID_oid, &attr->attributeID_id);
 832                 if (!W_ERROR_IS_OK(status)) {
 833                         DEBUG(0,("%s: '%s': unable to map attributeID %s: %s\n",
 834                                 __location__, attr->lDAPDisplayName, attr->attributeID_oid,
 835                                 win_errstr(status)));
 836                         return status;
 837                 }
 838         }
 839         GET_GUID_LDB(msg, "schemaIDGUID", attr, schemaIDGUID);
 840         GET_UINT32_LDB(msg, "mAPIID", attr, mAPIID);
 841
 842         GET_GUID_LDB(msg, "attributeSecurityGUID", attr, attributeSecurityGUID);
 843
 844         GET_UINT32_LDB(msg, "searchFlags", attr, searchFlags);
 845         GET_UINT32_LDB(msg, "systemFlags", attr, systemFlags);
 846         GET_BOOL_LDB(msg, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
 847         GET_UINT32_LDB(msg, "linkID", attr, linkID);
 848
 849         GET_STRING_LDB(msg, "attributeSyntax", mem_ctx, attr, attributeSyntax_oid, true);
 850         if (schema->num_prefixes == 0) {
 851                 /* set an invalid value */
 852                 attr->attributeSyntax_id = 0xFFFFFFFF;
 853         } else {
 854                 status = dsdb_map_oid2int(schema, attr->attributeSyntax_oid, &attr->attributeSyntax_id);
 855                 if (!W_ERROR_IS_OK(status)) {
 856                         DEBUG(0,("%s: '%s': unable to map attributeSyntax_ %s: %s\n",
 857                                 __location__, attr->lDAPDisplayName, attr->attributeSyntax_oid,
 858                                 win_errstr(status)));
 859                         return status;
 860                 }
 861         }
 862         GET_UINT32_LDB(msg, "oMSyntax", attr, oMSyntax);
 863         GET_BLOB_LDB(msg, "oMObjectClass", mem_ctx, attr, oMObjectClass);
 864
 865         GET_BOOL_LDB(msg, "isSingleValued", attr, isSingleValued, true);
 866         GET_UINT32_PTR_LDB(msg, "rangeLower", attr, rangeLower);
 867         GET_UINT32_PTR_LDB(msg, "rangeUpper", attr, rangeUpper);
 868         GET_BOOL_LDB(msg, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
 869
 870         GET_UINT32_LDB(msg, "schemaFlagsEx", attr, schemaFlagsEx);
 871         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
 872
 873         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
 874         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
 875         GET_STRING_LDB(msg, "adminDescription", mem_ctx, attr, adminDescription, false);
 876         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, attr, classDisplayName, false);
 877         GET_BOOL_LDB(msg, "isEphemeral", attr, isEphemeral, false);
 878         GET_BOOL_LDB(msg, "isDefunct", attr, isDefunct, false);
 879         GET_BOOL_LDB(msg, "systemOnly", attr, systemOnly, false);
 880
 881         attr->syntax = dsdb_syntax_for_attribute(attr);
 882         if (!attr->syntax) {
 883                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
 884         }
 885
 886         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
 887                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
 888         }
 889
 890         return WERR_OK;
 891 }
 892
 893 WERROR dsdb_class_from_ldb(const struct dsdb_schema *schema,
 894                            struct ldb_message *msg,
 895                            TALLOC_CTX *mem_ctx,
 896                            struct dsdb_class *obj)
 897 {
 898         WERROR status;
 899
 900         GET_STRING_LDB(msg, "cn", mem_ctx, obj, cn, false);
 901         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
 902         GET_STRING_LDB(msg, "governsID", mem_ctx, obj, governsID_oid, true);
 903         if (schema->num_prefixes == 0) {
 904                 /* set an invalid value */
 905                 obj->governsID_id = 0xFFFFFFFF;
 906         } else {
 907                 status = dsdb_map_oid2int(schema, obj->governsID_oid, &obj->governsID_id);
 908                 if (!W_ERROR_IS_OK(status)) {
 909                         DEBUG(0,("%s: '%s': unable to map governsID %s: %s\n",
 910                                 __location__, obj->lDAPDisplayName, obj->governsID_oid,
 911                                 win_errstr(status)));
 912                         return status;
 913                 }
 914         }
 915         GET_GUID_LDB(msg, "schemaIDGUID", obj, schemaIDGUID);
 916
 917         GET_UINT32_LDB(msg, "objectClassCategory", obj, objectClassCategory);
 918         GET_STRING_LDB(msg, "rDNAttID", mem_ctx, obj, rDNAttID, false);
 919         GET_STRING_LDB(msg, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
 920
 921         GET_STRING_LDB(msg, "subClassOf", mem_ctx, obj, subClassOf, true);
 922
 923         GET_STRING_LIST_LDB(msg, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass, false);
 924         GET_STRING_LIST_LDB(msg, "auxiliaryClass", mem_ctx, obj, auxiliaryClass, false);
 925
 926         GET_STRING_LIST_LDB(msg, "systemMustContain", mem_ctx, obj, systemMustContain, false);
 927         GET_STRING_LIST_LDB(msg, "systemMayContain", mem_ctx, obj, systemMayContain, false);
 928         GET_STRING_LIST_LDB(msg, "mustContain", mem_ctx, obj, mustContain, false);
 929         GET_STRING_LIST_LDB(msg, "mayContain", mem_ctx, obj, mayContain, false);
 930
 931         GET_STRING_LIST_LDB(msg, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors, false);
 932         GET_STRING_LIST_LDB(msg, "possSuperiors", mem_ctx, obj, possSuperiors, false);
 933
 934         GET_STRING_LDB(msg, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
 935
 936         GET_UINT32_LDB(msg, "schemaFlagsEx", obj, schemaFlagsEx);
 937         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
 938
 939         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
 940         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
 941         GET_STRING_LDB(msg, "adminDescription", mem_ctx, obj, adminDescription, false);
 942         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, obj, classDisplayName, false);
 943         GET_BOOL_LDB(msg, "defaultHidingValue", obj, defaultHidingValue, false);
 944         GET_BOOL_LDB(msg, "isDefunct", obj, isDefunct, false);
 945         GET_BOOL_LDB(msg, "systemOnly", obj, systemOnly, false);
 946
 947         return WERR_OK;
 948 }
 949
 950 #define dsdb_oom(error_string, mem_ctx) *error_string = talloc_asprintf(mem_ctx, "dsdb out of memory at %s:%d\n", __FILE__, __LINE__)
 951
 952 /*
 953  Create a DSDB schema from the ldb results provided.  This is called
 954  directly when the schema is provisioned from an on-disk LDIF file, or
 955  from dsdb_schema_from_schema_dn in schema_fsmo
 956 */
 957
 958 int dsdb_schema_from_ldb_results(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 959                                  struct smb_iconv_convenience *iconv_convenience,
 960                                  struct ldb_result *schema_res,
 961                                  struct ldb_result *attrs_res, struct ldb_result *objectclass_res,
 962                                  struct dsdb_schema **schema_out,
 963                                  char **error_string)
 964 {
 965         WERROR status;
 966         uint32_t i;
 967         const struct ldb_val *prefix_val;
 968         const struct ldb_val *info_val;
 969         struct ldb_val info_val_default;
 970         struct dsdb_schema *schema;
 971
 972         schema = dsdb_new_schema(mem_ctx, iconv_convenience);
 973         if (!schema) {
 974                 dsdb_oom(error_string, mem_ctx);
 975                 return LDB_ERR_OPERATIONS_ERROR;
 976         }
 977
 978         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
 979         if (!prefix_val) {
 980                 *error_string = talloc_asprintf(mem_ctx,
 981                                                 "schema_fsmo_init: no prefixMap attribute found");
 982                 DEBUG(0,(__location__ ": %s\n", *error_string));
 983                 return LDB_ERR_CONSTRAINT_VIOLATION;
 984         }
 985         info_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "schemaInfo");
 986         if (!info_val) {
 987                 info_val_default = strhex_to_data_blob(mem_ctx, "FF0000000000000000000000000000000000000000");
 988                 if (!info_val_default.data) {
 989                         dsdb_oom(error_string, mem_ctx);
 990                         return LDB_ERR_OPERATIONS_ERROR;
 991                 }
 992                 info_val = &info_val_default;
 993         }
 994
 995         status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
 996         if (!W_ERROR_IS_OK(status)) {
 997                 *error_string = talloc_asprintf(mem_ctx,
 998                               "schema_fsmo_init: failed to load oid mappings: %s",
 999                               win_errstr(status));
1000                 DEBUG(0,(__location__ ": %s\n", *error_string));
1001                 return LDB_ERR_CONSTRAINT_VIOLATION;
1002         }
1003
1004         for (i=0; i < attrs_res->count; i++) {
1005                 struct dsdb_attribute *sa;
1006
1007                 sa = talloc_zero(schema, struct dsdb_attribute);
1008                 if (!sa) {
1009                         dsdb_oom(error_string, mem_ctx);
1010                         return LDB_ERR_OPERATIONS_ERROR;
1011                 }
1012
1013                 status = dsdb_attribute_from_ldb(ldb, schema, attrs_res->msgs[i], sa, sa);
1014                 if (!W_ERROR_IS_OK(status)) {
1015                         *error_string = talloc_asprintf(mem_ctx,
1016                                       "schema_fsmo_init: failed to load attribute definition: %s:%s",
1017                                       ldb_dn_get_linearized(attrs_res->msgs[i]->dn),
1018                                       win_errstr(status));
1019                         DEBUG(0,(__location__ ": %s\n", *error_string));
1020                         return LDB_ERR_CONSTRAINT_VIOLATION;
1021                 }
1022
1023                 DLIST_ADD(schema->attributes, sa);
1024         }
1025
1026         for (i=0; i < objectclass_res->count; i++) {
1027                 struct dsdb_class *sc;
1028
1029                 sc = talloc_zero(schema, struct dsdb_class);
1030                 if (!sc) {
1031                         dsdb_oom(error_string, mem_ctx);
1032                         return LDB_ERR_OPERATIONS_ERROR;
1033                 }
1034
1035                 status = dsdb_class_from_ldb(schema, objectclass_res->msgs[i], sc, sc);
1036                 if (!W_ERROR_IS_OK(status)) {
1037                         *error_string = talloc_asprintf(mem_ctx,
1038                                       "schema_fsmo_init: failed to load class definition: %s:%s",
1039                                       ldb_dn_get_linearized(objectclass_res->msgs[i]->dn),
1040                                       win_errstr(status));
1041                         DEBUG(0,(__location__ ": %s\n", *error_string));
1042                         return LDB_ERR_CONSTRAINT_VIOLATION;
1043                 }
1044
1045                 DLIST_ADD(schema->classes, sc);
1046         }
1047
1048         schema->fsmo.master_dn = ldb_msg_find_attr_as_dn(ldb, schema, schema_res->msgs[0], "fSMORoleOwner");
1049         if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), schema->fsmo.master_dn) == 0) {
1050                 schema->fsmo.we_are_master = true;
1051         } else {
1052                 schema->fsmo.we_are_master = false;
1053         }
1054
1055         DEBUG(5, ("schema_fsmo_init: we are master: %s\n",
1056                   (schema->fsmo.we_are_master?"yes":"no")));
1057
1058         *schema_out = schema;
1059         return LDB_SUCCESS;
1060 }
1061
1062
1063 static const struct {
1064         const char *name;
1065         const char *oid;
1066 } name_mappings[] = {
1067         { "cn",                                 "2.5.4.3" },
1068         { "name",                               "1.2.840.113556.1.4.1" },
1069         { "lDAPDisplayName",                    "1.2.840.113556.1.2.460" },
1070         { "attributeID",                        "1.2.840.113556.1.2.30" },
1071         { "schemaIDGUID",                       "1.2.840.113556.1.4.148" },
1072         { "mAPIID",                             "1.2.840.113556.1.2.49" },
1073         { "attributeSecurityGUID",              "1.2.840.113556.1.4.149" },
1074         { "searchFlags",                        "1.2.840.113556.1.2.334" },
1075         { "systemFlags",                        "1.2.840.113556.1.4.375" },
1076         { "isMemberOfPartialAttributeSet",      "1.2.840.113556.1.4.639" },
1077         { "linkID",                             "1.2.840.113556.1.2.50" },
1078         { "attributeSyntax",                    "1.2.840.113556.1.2.32" },
1079         { "oMSyntax",                           "1.2.840.113556.1.2.231" },
1080         { "oMObjectClass",                      "1.2.840.113556.1.2.218" },
1081         { "isSingleValued",                     "1.2.840.113556.1.2.33" },
1082         { "rangeLower",                         "1.2.840.113556.1.2.34" },
1083         { "rangeUpper",                         "1.2.840.113556.1.2.35" },
1084         { "extendedCharsAllowed",               "1.2.840.113556.1.2.380" },
1085         { "schemaFlagsEx",                      "1.2.840.113556.1.4.120" },
1086         { "msDs-Schema-Extensions",             "1.2.840.113556.1.4.1440" },
1087         { "showInAdvancedViewOnly",             "1.2.840.113556.1.2.169" },
1088         { "adminDisplayName",                   "1.2.840.113556.1.2.194" },
1089         { "adminDescription",                   "1.2.840.113556.1.2.226" },
1090         { "classDisplayName",                   "1.2.840.113556.1.4.610" },
1091         { "isEphemeral",                        "1.2.840.113556.1.4.1212" },
1092         { "isDefunct",                          "1.2.840.113556.1.4.661" },
1093         { "systemOnly",                         "1.2.840.113556.1.4.170" },
1094         { "governsID",                          "1.2.840.113556.1.2.22" },
1095         { "objectClassCategory",                "1.2.840.113556.1.2.370" },
1096         { "rDNAttID",                           "1.2.840.113556.1.2.26" },
1097         { "defaultObjectCategory",              "1.2.840.113556.1.4.783" },
1098         { "subClassOf",                         "1.2.840.113556.1.2.21" },
1099         { "systemAuxiliaryClass",               "1.2.840.113556.1.4.198" },
1100         { "systemPossSuperiors",                "1.2.840.113556.1.4.195" },
1101         { "systemMustContain",                  "1.2.840.113556.1.4.197" },
1102         { "systemMayContain",                   "1.2.840.113556.1.4.196" },
1103         { "auxiliaryClass",                     "1.2.840.113556.1.2.351" },
1104         { "possSuperiors",                      "1.2.840.113556.1.2.8" },
1105         { "mustContain",                        "1.2.840.113556.1.2.24" },
1106         { "mayContain",                         "1.2.840.113556.1.2.25" },
1107         { "defaultSecurityDescriptor",          "1.2.840.113556.1.4.224" },
1108         { "defaultHidingValue",                 "1.2.840.113556.1.4.518" },
1109 };
1110
1111 static struct drsuapi_DsReplicaAttribute *dsdb_find_object_attr_name(struct dsdb_schema *schema,
1112                                                                      struct drsuapi_DsReplicaObject *obj,
1113                                                                      const char *name,
1114                                                                      uint32_t *idx)
1115 {
1116         WERROR status;
1117         uint32_t i, id;
1118         const char *oid = NULL;
1119
1120         for(i=0; i < ARRAY_SIZE(name_mappings); i++) {
1121                 if (strcmp(name_mappings[i].name, name) != 0) continue;
1122
1123                 oid = name_mappings[i].oid;
1124                 break;
1125         }
1126
1127         if (!oid) {
1128                 return NULL;
1129         }
1130
1131         status = dsdb_map_oid2int(schema, oid, &id);
1132         if (!W_ERROR_IS_OK(status)) {
1133                 return NULL;
1134         }
1135
1136         for (i=0; i < obj->attribute_ctr.num_attributes; i++) {
1137                 if (obj->attribute_ctr.attributes[i].attid != id) continue;
1138
1139                 if (idx) *idx = i;
1140                 return &obj->attribute_ctr.attributes[i];
1141         }
1142
1143         return NULL;
1144 }
1145
1146 #define GET_STRING_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1147         struct drsuapi_DsReplicaAttribute *_a; \
1148         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1149         if (strict && !_a) { \
1150                 d_printf("%s: %s == NULL\n", __location__, attr); \
1151                 return WERR_INVALID_PARAM; \
1152         } \
1153         if (strict && _a->value_ctr.num_values != 1) { \
1154                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1155                         _a->value_ctr.num_values); \
1156                 return WERR_INVALID_PARAM; \
1157         } \
1158         if (_a && _a->value_ctr.num_values >= 1) { \
1159                 size_t _ret; \
1160                 if (!convert_string_talloc_convenience(mem_ctx, s->iconv_convenience, CH_UTF16, CH_UNIX, \
1161                                              _a->value_ctr.values[0].blob->data, \
1162                                              _a->value_ctr.values[0].blob->length, \
1163                                              (void **)discard_const(&(p)->elem), &_ret, false)) { \
1164                         DEBUG(0,("%s: invalid data!\n", attr)); \
1165                         dump_data(0, \
1166                                      _a->value_ctr.values[0].blob->data, \
1167                                      _a->value_ctr.values[0].blob->length); \
1168                         return WERR_FOOBAR; \
1169                 } \
1170         } else { \
1171                 (p)->elem = NULL; \
1172         } \
1173 } while (0)
1174
1175 #define GET_UINT32_LIST_DS(s, r, attr, mem_ctx, p, elem) do { \
1176         int list_counter;                                       \
1177         struct drsuapi_DsReplicaAttribute *_a; \
1178         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1179         (p)->elem = _a ? talloc_array(mem_ctx, uint32_t, _a->value_ctr.num_values + 1) : NULL; \
1180         for (list_counter=0;                                    \
1181              _a && list_counter < _a->value_ctr.num_values;     \
1182              list_counter++) {                          \
1183                 if (_a->value_ctr.values[list_counter].blob->length != 4) { \
1184                         return WERR_INVALID_PARAM;                      \
1185                 }                                                       \
1186                 (p)->elem[list_counter] = IVAL(_a->value_ctr.values[list_counter].blob->data, 0); \
1187         }                                                               \
1188         if (_a) (p)->elem[list_counter] = 0;                            \
1189 } while (0)
1190
1191 #define GET_DN_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1192         struct drsuapi_DsReplicaAttribute *_a; \
1193         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1194         if (strict && !_a) { \
1195                 d_printf("%s: %s == NULL\n", __location__, attr); \
1196                 return WERR_INVALID_PARAM; \
1197         } \
1198         if (strict && _a->value_ctr.num_values != 1) { \
1199                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1200                         _a->value_ctr.num_values); \
1201                 return WERR_INVALID_PARAM; \
1202         } \
1203         if (strict && !_a->value_ctr.values[0].blob) { \
1204                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1205                 return WERR_INVALID_PARAM; \
1206         } \
1207         if (_a && _a->value_ctr.num_values >= 1 \
1208             && _a->value_ctr.values[0].blob) { \
1209                 struct drsuapi_DsReplicaObjectIdentifier3 _id3; \
1210                 enum ndr_err_code _ndr_err; \
1211                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1212                                                       mem_ctx, s->iconv_convenience, &_id3,\
1213                                                       (ndr_pull_flags_fn_t)ndr_pull_drsuapi_DsReplicaObjectIdentifier3);\
1214                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1215                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1216                         return ntstatus_to_werror(_nt_status); \
1217                 } \
1218                 (p)->elem = _id3.dn; \
1219         } else { \
1220                 (p)->elem = NULL; \
1221         } \
1222 } while (0)
1223
1224 #define GET_BOOL_DS(s, r, attr, p, elem, strict) do { \
1225         struct drsuapi_DsReplicaAttribute *_a; \
1226         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1227         if (strict && !_a) { \
1228                 d_printf("%s: %s == NULL\n", __location__, attr); \
1229                 return WERR_INVALID_PARAM; \
1230         } \
1231         if (strict && _a->value_ctr.num_values != 1) { \
1232                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1233                          (unsigned int)_a->value_ctr.num_values);       \
1234                 return WERR_INVALID_PARAM; \
1235         } \
1236         if (strict && !_a->value_ctr.values[0].blob) { \
1237                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1238                 return WERR_INVALID_PARAM; \
1239         } \
1240         if (strict && _a->value_ctr.values[0].blob->length != 4) { \
1241                 d_printf("%s: %s length == %u\n", __location__, attr, \
1242                          (unsigned int)_a->value_ctr.values[0].blob->length); \
1243                 return WERR_INVALID_PARAM; \
1244         } \
1245         if (_a && _a->value_ctr.num_values >= 1 \
1246             && _a->value_ctr.values[0].blob \
1247             && _a->value_ctr.values[0].blob->length == 4) { \
1248                 (p)->elem = (IVAL(_a->value_ctr.values[0].blob->data,0)?true:false);\
1249         } else { \
1250                 (p)->elem = false; \
1251         } \
1252 } while (0)
1253
1254 #define GET_UINT32_DS(s, r, attr, p, elem) do { \
1255         struct drsuapi_DsReplicaAttribute *_a; \
1256         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1257         if (_a && _a->value_ctr.num_values >= 1 \
1258             && _a->value_ctr.values[0].blob \
1259             && _a->value_ctr.values[0].blob->length == 4) { \
1260                 (p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1261         } else { \
1262                 (p)->elem = 0; \
1263         } \
1264 } while (0)
1265
1266 #define GET_UINT32_PTR_DS(s, r, attr, p, elem) do { \
1267         struct drsuapi_DsReplicaAttribute *_a; \
1268         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1269         if (_a && _a->value_ctr.num_values >= 1 \
1270             && _a->value_ctr.values[0].blob \
1271             && _a->value_ctr.values[0].blob->length == 4) { \
1272                 (p)->elem = talloc(mem_ctx, uint32_t); \
1273                 if (!(p)->elem) { \
1274                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
1275                         return WERR_NOMEM; \
1276                 } \
1277                 *(p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1278         } else { \
1279                 (p)->elem = NULL; \
1280         } \
1281 } while (0)
1282
1283 #define GET_GUID_DS(s, r, attr, mem_ctx, p, elem) do { \
1284         struct drsuapi_DsReplicaAttribute *_a; \
1285         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1286         if (_a && _a->value_ctr.num_values >= 1 \
1287             && _a->value_ctr.values[0].blob \
1288             && _a->value_ctr.values[0].blob->length == 16) { \
1289                 enum ndr_err_code _ndr_err; \
1290                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1291                                                       mem_ctx, s->iconv_convenience, &(p)->elem, \
1292                                                       (ndr_pull_flags_fn_t)ndr_pull_GUID); \
1293                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1294                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1295                         return ntstatus_to_werror(_nt_status); \
1296                 } \
1297         } else { \
1298                 ZERO_STRUCT((p)->elem);\
1299         } \
1300 } while (0)
1301
1302 #define GET_BLOB_DS(s, r, attr, mem_ctx, p, elem) do { \
1303         struct drsuapi_DsReplicaAttribute *_a; \
1304         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1305         if (_a && _a->value_ctr.num_values >= 1 \
1306             && _a->value_ctr.values[0].blob) { \
1307                 (p)->elem = *_a->value_ctr.values[0].blob;\
1308                 talloc_steal(mem_ctx, (p)->elem.data); \
1309         } else { \
1310                 ZERO_STRUCT((p)->elem);\
1311         }\
1312 } while (0)
1313
1314 WERROR dsdb_attribute_from_drsuapi(struct ldb_context *ldb,
1315                                    struct dsdb_schema *schema,
1316                                    struct drsuapi_DsReplicaObject *r,
1317                                    TALLOC_CTX *mem_ctx,
1318                                    struct dsdb_attribute *attr)
1319 {
1320         WERROR status;
1321
1322         GET_STRING_DS(schema, r, "name", mem_ctx, attr, cn, true);
1323         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
1324         GET_UINT32_DS(schema, r, "attributeID", attr, attributeID_id);
1325         status = dsdb_map_int2oid(schema, attr->attributeID_id, mem_ctx, &attr->attributeID_oid);
1326         if (!W_ERROR_IS_OK(status)) {
1327                 DEBUG(0,("%s: '%s': unable to map attributeID 0x%08X: %s\n",
1328                         __location__, attr->lDAPDisplayName, attr->attributeID_id,
1329                         win_errstr(status)));
1330                 return status;
1331         }
1332         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, attr, schemaIDGUID);
1333         GET_UINT32_DS(schema, r, "mAPIID", attr, mAPIID);
1334
1335         GET_GUID_DS(schema, r, "attributeSecurityGUID", mem_ctx, attr, attributeSecurityGUID);
1336
1337         GET_UINT32_DS(schema, r, "searchFlags", attr, searchFlags);
1338         GET_UINT32_DS(schema, r, "systemFlags", attr, systemFlags);
1339         GET_BOOL_DS(schema, r, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
1340         GET_UINT32_DS(schema, r, "linkID", attr, linkID);
1341
1342         GET_UINT32_DS(schema, r, "attributeSyntax", attr, attributeSyntax_id);
1343         status = dsdb_map_int2oid(schema, attr->attributeSyntax_id, mem_ctx, &attr->attributeSyntax_oid);
1344         if (!W_ERROR_IS_OK(status)) {
1345                 DEBUG(0,("%s: '%s': unable to map attributeSyntax 0x%08X: %s\n",
1346                         __location__, attr->lDAPDisplayName, attr->attributeSyntax_id,
1347                         win_errstr(status)));
1348                 return status;
1349         }
1350         GET_UINT32_DS(schema, r, "oMSyntax", attr, oMSyntax);
1351         GET_BLOB_DS(schema, r, "oMObjectClass", mem_ctx, attr, oMObjectClass);
1352
1353         GET_BOOL_DS(schema, r, "isSingleValued", attr, isSingleValued, true);
1354         GET_UINT32_PTR_DS(schema, r, "rangeLower", attr, rangeLower);
1355         GET_UINT32_PTR_DS(schema, r, "rangeUpper", attr, rangeUpper);
1356         GET_BOOL_DS(schema, r, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
1357
1358         GET_UINT32_DS(schema, r, "schemaFlagsEx", attr, schemaFlagsEx);
1359         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
1360
1361         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
1362         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
1363         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, attr, adminDescription, false);
1364         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, attr, classDisplayName, false);
1365         GET_BOOL_DS(schema, r, "isEphemeral", attr, isEphemeral, false);
1366         GET_BOOL_DS(schema, r, "isDefunct", attr, isDefunct, false);
1367         GET_BOOL_DS(schema, r, "systemOnly", attr, systemOnly, false);
1368
1369         attr->syntax = dsdb_syntax_for_attribute(attr);
1370         if (!attr->syntax) {
1371                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1372         }
1373
1374         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
1375                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1376         }
1377
1378         return WERR_OK;
1379 }
1380
1381 WERROR dsdb_class_from_drsuapi(struct dsdb_schema *schema,
1382                                struct drsuapi_DsReplicaObject *r,
1383                                TALLOC_CTX *mem_ctx,
1384                                struct dsdb_class *obj)
1385 {
1386         WERROR status;
1387
1388         GET_STRING_DS(schema, r, "name", mem_ctx, obj, cn, true);
1389         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
1390         GET_UINT32_DS(schema, r, "governsID", obj, governsID_id);
1391         status = dsdb_map_int2oid(schema, obj->governsID_id, mem_ctx, &obj->governsID_oid);
1392         if (!W_ERROR_IS_OK(status)) {
1393                 DEBUG(0,("%s: '%s': unable to map governsID 0x%08X: %s\n",
1394                         __location__, obj->lDAPDisplayName, obj->governsID_id,
1395                         win_errstr(status)));
1396                 return status;
1397         }
1398         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, obj, schemaIDGUID);
1399
1400         GET_UINT32_DS(schema, r, "objectClassCategory", obj, objectClassCategory);
1401         GET_STRING_DS(schema, r, "rDNAttID", mem_ctx, obj, rDNAttID, false);
1402         GET_DN_DS(schema, r, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
1403
1404         GET_UINT32_DS(schema, r, "subClassOf", obj, subClassOf_id);
1405
1406         GET_UINT32_LIST_DS(schema, r, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass_ids);
1407         GET_UINT32_LIST_DS(schema, r, "auxiliaryClass", mem_ctx, obj, auxiliaryClass_ids);
1408
1409         GET_UINT32_LIST_DS(schema, r, "systemMustContain", mem_ctx, obj, systemMustContain_ids);
1410         GET_UINT32_LIST_DS(schema, r, "systemMayContain", mem_ctx, obj, systemMayContain_ids);
1411         GET_UINT32_LIST_DS(schema, r, "mustContain", mem_ctx, obj, mustContain_ids);
1412         GET_UINT32_LIST_DS(schema, r, "mayContain", mem_ctx, obj, mayContain_ids);
1413
1414         GET_UINT32_LIST_DS(schema, r, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors_ids);
1415         GET_UINT32_LIST_DS(schema, r, "possSuperiors", mem_ctx, obj, possSuperiors_ids);
1416
1417         GET_STRING_DS(schema, r, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
1418
1419         GET_UINT32_DS(schema, r, "schemaFlagsEx", obj, schemaFlagsEx);
1420         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
1421
1422         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
1423         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
1424         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, obj, adminDescription, false);
1425         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, obj, classDisplayName, false);
1426         GET_BOOL_DS(schema, r, "defaultHidingValue", obj, defaultHidingValue, false);
1427         GET_BOOL_DS(schema, r, "isDefunct", obj, isDefunct, false);
1428         GET_BOOL_DS(schema, r, "systemOnly", obj, systemOnly, false);
1429
1430         return WERR_OK;
1431 }
1432