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
  33 struct dsdb_schema *dsdb_new_schema(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience)
  34 {
  35         struct dsdb_schema *schema = talloc_zero(mem_ctx, struct dsdb_schema);
  36         if (!schema) {
  37                 return NULL;
  38         }
  39
  40         schema->iconv_convenience = iconv_convenience;
  41         return schema;
  42 }
  43
  44
  45 WERROR dsdb_load_oid_mappings_drsuapi(struct dsdb_schema *schema, const struct drsuapi_DsReplicaOIDMapping_Ctr *ctr)
  46 {
  47         uint32_t i,j;
  48
  49         schema->prefixes = talloc_array(schema, struct dsdb_schema_oid_prefix, ctr->num_mappings);
  50         W_ERROR_HAVE_NO_MEMORY(schema->prefixes);
  51
  52         for (i=0, j=0; i < ctr->num_mappings; i++) {
  53                 if (ctr->mappings[i].oid.oid == NULL) {
  54                         return WERR_INVALID_PARAM;
  55                 }
  56
  57                 if (strncasecmp(ctr->mappings[i].oid.oid, "ff", 2) == 0) {
  58                         if (ctr->mappings[i].id_prefix != 0) {
  59                                 return WERR_INVALID_PARAM;
  60                         }
  61
  62                         /* the magic value should be in the last array member */
  63                         if (i != (ctr->num_mappings - 1)) {
  64                                 return WERR_INVALID_PARAM;
  65                         }
  66
  67                         if (ctr->mappings[i].oid.__ndr_size != 21) {
  68                                 return WERR_INVALID_PARAM;
  69                         }
  70
  71                         schema->schema_info = talloc_strdup(schema, ctr->mappings[i].oid.oid);
  72                         W_ERROR_HAVE_NO_MEMORY(schema->schema_info);
  73                 } else {
  74                         /* the last array member should contain the magic value not a oid */
  75                         if (i == (ctr->num_mappings - 1)) {
  76                                 return WERR_INVALID_PARAM;
  77                         }
  78
  79                         schema->prefixes[j].id  = ctr->mappings[i].id_prefix<<16;
  80                         schema->prefixes[j].oid = talloc_asprintf(schema->prefixes, "%s.",
  81                                                                   ctr->mappings[i].oid.oid);
  82                         W_ERROR_HAVE_NO_MEMORY(schema->prefixes[j].oid);
  83                         schema->prefixes[j].oid_len = strlen(schema->prefixes[j].oid);
  84                         j++;
  85                 }
  86         }
  87
  88         schema->num_prefixes = j;
  89         return WERR_OK;
  90 }
  91
  92 WERROR dsdb_load_oid_mappings_ldb(struct dsdb_schema *schema,
  93                                   const struct ldb_val *prefixMap,
  94                                   const struct ldb_val *schemaInfo)
  95 {
  96         WERROR status;
  97         enum ndr_err_code ndr_err;
  98         struct prefixMapBlob pfm;
  99         char *schema_info;
 100
 101         TALLOC_CTX *mem_ctx = talloc_new(schema);
 102         W_ERROR_HAVE_NO_MEMORY(mem_ctx);
 103
 104         ndr_err = ndr_pull_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
 105         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 106                 NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
 107                 talloc_free(mem_ctx);
 108                 return ntstatus_to_werror(nt_status);
 109         }
 110
 111         if (pfm.version != PREFIX_MAP_VERSION_DSDB) {
 112                 talloc_free(mem_ctx);
 113                 return WERR_FOOBAR;
 114         }
 115
 116         if (schemaInfo->length != 21 && schemaInfo->data[0] == 0xFF) {
 117                 talloc_free(mem_ctx);
 118                 return WERR_FOOBAR;
 119         }
 120
 121         /* append the schema info as last element */
 122         pfm.ctr.dsdb.num_mappings++;
 123         pfm.ctr.dsdb.mappings = talloc_realloc(mem_ctx, pfm.ctr.dsdb.mappings,
 124                                                struct drsuapi_DsReplicaOIDMapping,
 125                                                pfm.ctr.dsdb.num_mappings);
 126         W_ERROR_HAVE_NO_MEMORY(pfm.ctr.dsdb.mappings);
 127
 128         schema_info = data_blob_hex_string(pfm.ctr.dsdb.mappings, schemaInfo);
 129         W_ERROR_HAVE_NO_MEMORY(schema_info);
 130
 131         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].id_prefix          = 0;
 132         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].oid.__ndr_size     = schemaInfo->length;
 133         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].oid.oid            = schema_info;
 134
 135         /* call the drsuapi version */
 136         status = dsdb_load_oid_mappings_drsuapi(schema, &pfm.ctr.dsdb);
 137         talloc_free(mem_ctx);
 138
 139         W_ERROR_NOT_OK_RETURN(status);
 140
 141         return WERR_OK;
 142 }
 143
 144 WERROR dsdb_get_oid_mappings_drsuapi(const struct dsdb_schema *schema,
 145                                      bool include_schema_info,
 146                                      TALLOC_CTX *mem_ctx,
 147                                      struct drsuapi_DsReplicaOIDMapping_Ctr **_ctr)
 148 {
 149         struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
 150         uint32_t i;
 151
 152         ctr = talloc(mem_ctx, struct drsuapi_DsReplicaOIDMapping_Ctr);
 153         W_ERROR_HAVE_NO_MEMORY(ctr);
 154
 155         ctr->num_mappings       = schema->num_prefixes;
 156         if (include_schema_info) ctr->num_mappings++;
 157         ctr->mappings = talloc_array(schema, struct drsuapi_DsReplicaOIDMapping, ctr->num_mappings);
 158         W_ERROR_HAVE_NO_MEMORY(ctr->mappings);
 159
 160         for (i=0; i < schema->num_prefixes; i++) {
 161                 ctr->mappings[i].id_prefix      = schema->prefixes[i].id>>16;
 162                 ctr->mappings[i].oid.oid        = talloc_strndup(ctr->mappings,
 163                                                                  schema->prefixes[i].oid,
 164                                                                  schema->prefixes[i].oid_len - 1);
 165                 W_ERROR_HAVE_NO_MEMORY(ctr->mappings[i].oid.oid);
 166         }
 167
 168         if (include_schema_info) {
 169                 ctr->mappings[i].id_prefix      = 0;
 170                 ctr->mappings[i].oid.oid        = talloc_strdup(ctr->mappings,
 171                                                                 schema->schema_info);
 172                 W_ERROR_HAVE_NO_MEMORY(ctr->mappings[i].oid.oid);
 173         }
 174
 175         *_ctr = ctr;
 176         return WERR_OK;
 177 }
 178
 179 WERROR dsdb_get_oid_mappings_ldb(const struct dsdb_schema *schema,
 180                                  TALLOC_CTX *mem_ctx,
 181                                  struct ldb_val *prefixMap,
 182                                  struct ldb_val *schemaInfo)
 183 {
 184         WERROR status;
 185         enum ndr_err_code ndr_err;
 186         struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
 187         struct prefixMapBlob pfm;
 188
 189         status = dsdb_get_oid_mappings_drsuapi(schema, false, mem_ctx, &ctr);
 190         W_ERROR_NOT_OK_RETURN(status);
 191
 192         pfm.version     = PREFIX_MAP_VERSION_DSDB;
 193         pfm.reserved    = 0;
 194         pfm.ctr.dsdb    = *ctr;
 195
 196         ndr_err = ndr_push_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
 197         talloc_free(ctr);
 198         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 199                 NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
 200                 return ntstatus_to_werror(nt_status);
 201         }
 202
 203         *schemaInfo = strhex_to_data_blob(mem_ctx, schema->schema_info);
 204         W_ERROR_HAVE_NO_MEMORY(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         return dsdb_find_prefix_for_oid(schema->num_prefixes, schema->prefixes, in, out);
 272 }
 273
 274
 275 WERROR dsdb_map_int2oid(const struct dsdb_schema *schema, uint32_t in, TALLOC_CTX *mem_ctx, const char **out)
 276 {
 277         uint32_t i;
 278
 279         for (i=0; i < schema->num_prefixes; i++) {
 280                 const char *val;
 281                 if (schema->prefixes[i].id != (in & 0xFFFF0000)) {
 282                         continue;
 283                 }
 284
 285                 val = talloc_asprintf(mem_ctx, "%s%u",
 286                                       schema->prefixes[i].oid,
 287                                       in & 0xFFFF);
 288                 W_ERROR_HAVE_NO_MEMORY(val);
 289
 290                 *out = val;
 291                 return WERR_OK;
 292         }
 293
 294         return WERR_DS_NO_MSDS_INTID;
 295 }
 296
 297 /*
 298  * this function is called from within a ldb transaction from the schema_fsmo module
 299  */
 300 WERROR dsdb_create_prefix_mapping(struct ldb_context *ldb, struct dsdb_schema *schema, const char *full_oid)
 301 {
 302         WERROR status;
 303         uint32_t num_prefixes;
 304         struct dsdb_schema_oid_prefix *prefixes;
 305         TALLOC_CTX *mem_ctx;
 306         uint32_t out;
 307
 308         mem_ctx = talloc_new(ldb);
 309         W_ERROR_HAVE_NO_MEMORY(mem_ctx);
 310
 311         /* Read prefixes from disk*/
 312         status = dsdb_read_prefixes_from_ldb( mem_ctx, ldb, &num_prefixes, &prefixes );
 313         if (!W_ERROR_IS_OK(status)) {
 314                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_read_prefixes_from_ldb: %s\n",
 315                         win_errstr(status)));
 316                 talloc_free(mem_ctx);
 317                 return status;
 318         }
 319
 320         /* Check if there is a prefix for the oid in the prefixes array*/
 321         status = dsdb_find_prefix_for_oid( num_prefixes, prefixes, full_oid, &out );
 322         if (W_ERROR_IS_OK(status)) {
 323                 /* prefix found*/
 324                 talloc_free(mem_ctx);
 325                 return status;
 326         } else if (!W_ERROR_EQUAL(WERR_DS_NO_MSDS_INTID, status)) {
 327                 /* error */
 328                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_find_prefix_for_oid: %s\n",
 329                         win_errstr(status)));
 330                 talloc_free(mem_ctx);
 331                 return status;
 332         }
 333
 334         /* Create the new mapping for the prefix of full_oid */
 335         status = dsdb_prefix_map_update(mem_ctx, &num_prefixes, &prefixes, full_oid);
 336         if (!W_ERROR_IS_OK(status)) {
 337                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_prefix_map_update: %s\n",
 338                         win_errstr(status)));
 339                 talloc_free(mem_ctx);
 340                 return status;
 341         }
 342
 343         /* Update prefixMap in ldb*/
 344         status = dsdb_write_prefixes_to_ldb(mem_ctx, ldb, num_prefixes, prefixes);
 345         if (!W_ERROR_IS_OK(status)) {
 346                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_write_prefixes_to_ldb: %s\n",
 347                         win_errstr(status)));
 348                 talloc_free(mem_ctx);
 349                 return status;
 350         }
 351
 352         talloc_free(mem_ctx);
 353         return status;
 354 }
 355
 356 WERROR dsdb_prefix_map_update(TALLOC_CTX *mem_ctx, uint32_t *num_prefixes, struct dsdb_schema_oid_prefix **prefixes, const char *oid)
 357 {
 358         uint32_t new_num_prefixes, index_new_prefix, new_entry_id;
 359         const char* lastDotOffset;
 360         size_t size;
 361
 362         new_num_prefixes = *num_prefixes + 1;
 363         index_new_prefix = *num_prefixes;
 364
 365         /*
 366          * this is the algorithm we use to create new mappings for now
 367          *
 368          * TODO: find what algorithm windows use
 369          */
 370         new_entry_id = (*num_prefixes)<<16;
 371
 372         /* Extract the prefix from the oid*/
 373         lastDotOffset = strrchr(oid, '.');
 374         if (lastDotOffset == NULL) {
 375                 DEBUG(0,("dsdb_prefix_map_update: failed to find the last dot\n"));
 376                 return WERR_NOT_FOUND;
 377         }
 378
 379         /* Calculate the size of the remainig string that should be the prefix of it */
 380         size = strlen(oid) - strlen(lastDotOffset);
 381         if (size <= 0) {
 382                 DEBUG(0,("dsdb_prefix_map_update: size of the remaining string invalid\n"));
 383                 return WERR_FOOBAR;
 384         }
 385         /* Add one because we need to copy the dot */
 386         size += 1;
 387
 388         /* Create a spot in the prefixMap for one more prefix*/
 389         (*prefixes) = talloc_realloc(mem_ctx, *prefixes, struct dsdb_schema_oid_prefix, new_num_prefixes);
 390         W_ERROR_HAVE_NO_MEMORY(*prefixes);
 391
 392         /* Add the new prefix entry*/
 393         (*prefixes)[index_new_prefix].id = new_entry_id;
 394         (*prefixes)[index_new_prefix].oid = talloc_strndup(mem_ctx, oid, size);
 395         (*prefixes)[index_new_prefix].oid_len = strlen((*prefixes)[index_new_prefix].oid);
 396
 397         /* Increase num_prefixes because new prefix has been added */
 398         ++(*num_prefixes);
 399
 400         return WERR_OK;
 401 }
 402
 403 WERROR dsdb_find_prefix_for_oid(uint32_t num_prefixes, const struct dsdb_schema_oid_prefix *prefixes, const char *in, uint32_t *out)
 404 {
 405         uint32_t i;
 406
 407         for (i=0; i < num_prefixes; i++) {
 408                 const char *val_str;
 409                 char *end_str;
 410                 unsigned val;
 411
 412                 if (strncmp(prefixes[i].oid, in, prefixes[i].oid_len) != 0) {
 413                         continue;
 414                 }
 415
 416                 val_str = in + prefixes[i].oid_len;
 417                 end_str = NULL;
 418                 errno = 0;
 419
 420                 if (val_str[0] == '\0') {
 421                         return WERR_INVALID_PARAM;
 422                 }
 423
 424                 /* two '.' chars are invalid */
 425                 if (val_str[0] == '.') {
 426                         return WERR_INVALID_PARAM;
 427                 }
 428
 429                 val = strtoul(val_str, &end_str, 10);
 430                 if (end_str[0] == '.' && end_str[1] != '\0') {
 431                         /*
 432                          * if it's a '.' and not the last char
 433                          * then maybe an other mapping apply
 434                          */
 435                         continue;
 436                 } else if (end_str[0] != '\0') {
 437                         return WERR_INVALID_PARAM;
 438                 } else if (val > 0xFFFF) {
 439                         return WERR_INVALID_PARAM;
 440                 }
 441
 442                 *out = prefixes[i].id | val;
 443                 return WERR_OK;
 444         }
 445
 446         return WERR_DS_NO_MSDS_INTID;
 447 }
 448
 449 WERROR dsdb_write_prefixes_to_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 450                                   uint32_t num_prefixes,
 451                                   const struct dsdb_schema_oid_prefix *prefixes)
 452 {
 453         struct ldb_message msg;
 454         struct ldb_dn *schema_dn;
 455         struct ldb_message_element el;
 456         struct prefixMapBlob pm;
 457         struct ldb_val ndr_blob;
 458         enum ndr_err_code ndr_err;
 459         uint32_t i;
 460         int ret;
 461
 462         schema_dn = samdb_schema_dn(ldb);
 463         if (!schema_dn) {
 464                 DEBUG(0,("dsdb_write_prefixes_to_ldb: no schema dn present\n"));
 465                 return WERR_FOOBAR;
 466         }
 467
 468         pm.version                      = PREFIX_MAP_VERSION_DSDB;
 469         pm.ctr.dsdb.num_mappings        = num_prefixes;
 470         pm.ctr.dsdb.mappings            = talloc_array(mem_ctx,
 471                                                 struct drsuapi_DsReplicaOIDMapping,
 472                                                 pm.ctr.dsdb.num_mappings);
 473         if (!pm.ctr.dsdb.mappings) {
 474                 return WERR_NOMEM;
 475         }
 476
 477         for (i=0; i < num_prefixes; i++) {
 478                 pm.ctr.dsdb.mappings[i].id_prefix = prefixes[i].id>>16;
 479                 pm.ctr.dsdb.mappings[i].oid.oid = talloc_strdup(pm.ctr.dsdb.mappings, prefixes[i].oid);
 480         }
 481
 482         ndr_err = ndr_push_struct_blob(&ndr_blob, ldb,
 483                                        lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
 484                                        &pm,
 485                                        (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
 486         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 487                 return WERR_FOOBAR;
 488         }
 489
 490         el.num_values = 1;
 491         el.values = &ndr_blob;
 492         el.flags = LDB_FLAG_MOD_REPLACE;
 493         el.name = talloc_strdup(mem_ctx, "prefixMap");
 494
 495         msg.dn = ldb_dn_copy(mem_ctx, schema_dn);
 496         msg.num_elements = 1;
 497         msg.elements = &el;
 498
 499         ret = ldb_modify( ldb, &msg );
 500         if (ret != 0) {
 501                 DEBUG(0,("dsdb_write_prefixes_to_ldb: ldb_modify failed\n"));
 502                 return WERR_FOOBAR;
 503         }
 504
 505         return WERR_OK;
 506 }
 507
 508 WERROR dsdb_read_prefixes_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, uint32_t* num_prefixes, struct dsdb_schema_oid_prefix **prefixes)
 509 {
 510         struct prefixMapBlob *blob;
 511         enum ndr_err_code ndr_err;
 512         uint32_t i;
 513         const struct ldb_val *prefix_val;
 514         struct ldb_dn *schema_dn;
 515         struct ldb_result *schema_res;
 516         int ret;
 517         static const char *schema_attrs[] = {
 518                 "prefixMap",
 519                 NULL
 520         };
 521
 522         schema_dn = samdb_schema_dn(ldb);
 523         if (!schema_dn) {
 524                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no schema dn present\n"));
 525                 return WERR_FOOBAR;
 526         }
 527
 528         ret = ldb_search(ldb, mem_ctx, &schema_res, schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
 529         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
 530                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefix map present\n"));
 531                 talloc_free(schema_res);
 532                 return WERR_FOOBAR;
 533         } else if (ret != LDB_SUCCESS) {
 534                 DEBUG(0,("dsdb_read_prefixes_from_ldb: failed to search the schema head\n"));
 535                 talloc_free(schema_res);
 536                 return WERR_FOOBAR;
 537         }
 538
 539         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
 540         if (!prefix_val) {
 541                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefixMap attribute found\n"));
 542                 talloc_free(schema_res);
 543                 return WERR_FOOBAR;
 544         }
 545
 546         blob = talloc(mem_ctx, struct prefixMapBlob);
 547         W_ERROR_HAVE_NO_MEMORY(blob);
 548
 549         ndr_err = ndr_pull_struct_blob(prefix_val, blob,
 550                                            lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
 551                                            blob,
 552                                            (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
 553         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 554                 DEBUG(0,("dsdb_read_prefixes_from_ldb: ndr_pull_struct_blob failed\n"));
 555                 talloc_free(blob);
 556                 talloc_free(schema_res);
 557                 return WERR_FOOBAR;
 558         }
 559
 560         talloc_free(schema_res);
 561
 562         if (blob->version != PREFIX_MAP_VERSION_DSDB) {
 563                 DEBUG(0,("dsdb_read_prefixes_from_ldb: blob->version incorect\n"));
 564                 talloc_free(blob);
 565                 return WERR_FOOBAR;
 566         }
 567
 568         *num_prefixes = blob->ctr.dsdb.num_mappings;
 569         *prefixes = talloc_array(mem_ctx, struct dsdb_schema_oid_prefix, *num_prefixes);
 570         if(!(*prefixes)) {
 571                 talloc_free(blob);
 572                 return WERR_NOMEM;
 573         }
 574         for (i=0; i < blob->ctr.dsdb.num_mappings; i++) {
 575                 char *oid;
 576                 (*prefixes)[i].id = blob->ctr.dsdb.mappings[i].id_prefix<<16;
 577                 oid = talloc_strdup(mem_ctx, blob->ctr.dsdb.mappings[i].oid.oid);
 578                 (*prefixes)[i].oid = talloc_asprintf_append(oid, ".");
 579                 (*prefixes)[i].oid_len = strlen((*prefixes)[i].oid);
 580         }
 581
 582         talloc_free(blob);
 583         return WERR_OK;
 584 }
 585
 586 /*
 587   this will be replaced with something that looks at the right part of
 588   the schema once we know where unique indexing information is hidden
 589  */
 590 static bool dsdb_schema_unique_attribute(const char *attr)
 591 {
 592         const char *attrs[] = { "objectGUID", "objectSID" , NULL };
 593         int i;
 594         for (i=0;attrs[i];i++) {
 595                 if (strcasecmp(attr, attrs[i]) == 0) {
 596                         return true;
 597                 }
 598         }
 599         return false;
 600 }
 601
 602
 603 /*
 604   setup the ldb_schema_attribute field for a dsdb_attribute
 605  */
 606 static int dsdb_schema_setup_ldb_schema_attribute(struct ldb_context *ldb,
 607                                                   struct dsdb_attribute *attr)
 608 {
 609         const char *syntax = attr->syntax->ldb_syntax;
 610         const struct ldb_schema_syntax *s;
 611         struct ldb_schema_attribute *a;
 612
 613         if (!syntax) {
 614                 syntax = attr->syntax->ldap_oid;
 615         }
 616
 617         s = ldb_samba_syntax_by_lDAPDisplayName(ldb, attr->lDAPDisplayName);
 618         if (s == NULL) {
 619                 s = ldb_samba_syntax_by_name(ldb, syntax);
 620         }
 621         if (s == NULL) {
 622                 s = ldb_standard_syntax_by_name(ldb, syntax);
 623         }
 624
 625         if (s == NULL) {
 626                 return LDB_ERR_OPERATIONS_ERROR;
 627         }
 628
 629         attr->ldb_schema_attribute = a = talloc(attr, struct ldb_schema_attribute);
 630         if (attr->ldb_schema_attribute == NULL) {
 631                 ldb_oom(ldb);
 632                 return LDB_ERR_OPERATIONS_ERROR;
 633         }
 634
 635         a->name = attr->lDAPDisplayName;
 636         a->flags = 0;
 637         a->syntax = s;
 638
 639         if (dsdb_schema_unique_attribute(a->name)) {
 640                 a->flags |= LDB_ATTR_FLAG_UNIQUE_INDEX;
 641         }
 642
 643         return LDB_SUCCESS;
 644 }
 645
 646
 647
 648 #define GET_STRING_LDB(msg, attr, mem_ctx, p, elem, strict) do { \
 649         (p)->elem = samdb_result_string(msg, attr, NULL);\
 650         if (strict && (p)->elem == NULL) { \
 651                 d_printf("%s: %s == NULL\n", __location__, attr); \
 652                 return WERR_INVALID_PARAM; \
 653         } \
 654         talloc_steal(mem_ctx, (p)->elem); \
 655 } while (0)
 656
 657 #define GET_STRING_LIST_LDB(msg, attr, mem_ctx, p, elem, strict) do {   \
 658         int get_string_list_counter;                                    \
 659         struct ldb_message_element *get_string_list_el = ldb_msg_find_element(msg, attr); \
 660         if (get_string_list_el == NULL) {                               \
 661                 if (strict) {                                           \
 662                         d_printf("%s: %s == NULL\n", __location__, attr); \
 663                         return WERR_INVALID_PARAM;                      \
 664                 } else {                                                \
 665                         (p)->elem = NULL;                               \
 666                         break;                                          \
 667                 }                                                       \
 668         }                                                               \
 669         (p)->elem = talloc_array(mem_ctx, const char *, get_string_list_el->num_values + 1); \
 670         for (get_string_list_counter=0;                                 \
 671              get_string_list_counter < get_string_list_el->num_values;  \
 672              get_string_list_counter++) {                               \
 673                 (p)->elem[get_string_list_counter] = talloc_strndup((p)->elem, \
 674                                                                     (const char *)get_string_list_el->values[get_string_list_counter].data, \
 675                                                                     get_string_list_el->values[get_string_list_counter].length); \
 676                 if (!(p)->elem[get_string_list_counter]) {              \
 677                         d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
 678                         return WERR_NOMEM;                              \
 679                 }                                                       \
 680                 (p)->elem[get_string_list_counter+1] = NULL;            \
 681         }                                                               \
 682         talloc_steal(mem_ctx, (p)->elem);                               \
 683 } while (0)
 684
 685 #define GET_BOOL_LDB(msg, attr, p, elem, strict) do { \
 686         const char *str; \
 687         str = samdb_result_string(msg, attr, NULL);\
 688         if (str == NULL) { \
 689                 if (strict) { \
 690                         d_printf("%s: %s == NULL\n", __location__, attr); \
 691                         return WERR_INVALID_PARAM; \
 692                 } else { \
 693                         (p)->elem = false; \
 694                 } \
 695         } else if (strcasecmp("TRUE", str) == 0) { \
 696                 (p)->elem = true; \
 697         } else if (strcasecmp("FALSE", str) == 0) { \
 698                 (p)->elem = false; \
 699         } else { \
 700                 d_printf("%s: %s == %s\n", __location__, attr, str); \
 701                 return WERR_INVALID_PARAM; \
 702         } \
 703 } while (0)
 704
 705 #define GET_UINT32_LDB(msg, attr, p, elem) do { \
 706         (p)->elem = samdb_result_uint(msg, attr, 0);\
 707 } while (0)
 708
 709 #define GET_UINT32_PTR_LDB(msg, attr, p, elem) do { \
 710         uint64_t _v = samdb_result_uint64(msg, attr, UINT64_MAX);\
 711         if (_v == UINT64_MAX) { \
 712                 (p)->elem = NULL; \
 713         } else if (_v > UINT32_MAX) { \
 714                 d_printf("%s: %s == 0x%llX\n", __location__, \
 715                          attr, (unsigned long long)_v); \
 716                 return WERR_INVALID_PARAM; \
 717         } else { \
 718                 (p)->elem = talloc(mem_ctx, uint32_t); \
 719                 if (!(p)->elem) { \
 720                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
 721                         return WERR_NOMEM; \
 722                 } \
 723                 *(p)->elem = (uint32_t)_v; \
 724         } \
 725 } while (0)
 726
 727 #define GET_GUID_LDB(msg, attr, p, elem) do { \
 728         (p)->elem = samdb_result_guid(msg, attr);\
 729 } while (0)
 730
 731 #define GET_BLOB_LDB(msg, attr, mem_ctx, p, elem) do { \
 732         const struct ldb_val *_val;\
 733         _val = ldb_msg_find_ldb_val(msg, attr);\
 734         if (_val) {\
 735                 (p)->elem = *_val;\
 736                 talloc_steal(mem_ctx, (p)->elem.data);\
 737         } else {\
 738                 ZERO_STRUCT((p)->elem);\
 739         }\
 740 } while (0)
 741
 742 WERROR dsdb_attribute_from_ldb(struct ldb_context *ldb,
 743                                const struct dsdb_schema *schema,
 744                                struct ldb_message *msg,
 745                                TALLOC_CTX *mem_ctx,
 746                                struct dsdb_attribute *attr)
 747 {
 748         WERROR status;
 749
 750         GET_STRING_LDB(msg, "cn", mem_ctx, attr, cn, false);
 751         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
 752         GET_STRING_LDB(msg, "attributeID", mem_ctx, attr, attributeID_oid, true);
 753         if (schema->num_prefixes == 0) {
 754                 /* set an invalid value */
 755                 attr->attributeID_id = 0xFFFFFFFF;
 756         } else {
 757                 status = dsdb_map_oid2int(schema, attr->attributeID_oid, &attr->attributeID_id);
 758                 if (!W_ERROR_IS_OK(status)) {
 759                         DEBUG(0,("%s: '%s': unable to map attributeID %s: %s\n",
 760                                 __location__, attr->lDAPDisplayName, attr->attributeID_oid,
 761                                 win_errstr(status)));
 762                         return status;
 763                 }
 764         }
 765         GET_GUID_LDB(msg, "schemaIDGUID", attr, schemaIDGUID);
 766         GET_UINT32_LDB(msg, "mAPIID", attr, mAPIID);
 767
 768         GET_GUID_LDB(msg, "attributeSecurityGUID", attr, attributeSecurityGUID);
 769
 770         GET_UINT32_LDB(msg, "searchFlags", attr, searchFlags);
 771         GET_UINT32_LDB(msg, "systemFlags", attr, systemFlags);
 772         GET_BOOL_LDB(msg, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
 773         GET_UINT32_LDB(msg, "linkID", attr, linkID);
 774
 775         GET_STRING_LDB(msg, "attributeSyntax", mem_ctx, attr, attributeSyntax_oid, true);
 776         if (schema->num_prefixes == 0) {
 777                 /* set an invalid value */
 778                 attr->attributeSyntax_id = 0xFFFFFFFF;
 779         } else {
 780                 status = dsdb_map_oid2int(schema, attr->attributeSyntax_oid, &attr->attributeSyntax_id);
 781                 if (!W_ERROR_IS_OK(status)) {
 782                         DEBUG(0,("%s: '%s': unable to map attributeSyntax_ %s: %s\n",
 783                                 __location__, attr->lDAPDisplayName, attr->attributeSyntax_oid,
 784                                 win_errstr(status)));
 785                         return status;
 786                 }
 787         }
 788         GET_UINT32_LDB(msg, "oMSyntax", attr, oMSyntax);
 789         GET_BLOB_LDB(msg, "oMObjectClass", mem_ctx, attr, oMObjectClass);
 790
 791         GET_BOOL_LDB(msg, "isSingleValued", attr, isSingleValued, true);
 792         GET_UINT32_PTR_LDB(msg, "rangeLower", attr, rangeLower);
 793         GET_UINT32_PTR_LDB(msg, "rangeUpper", attr, rangeUpper);
 794         GET_BOOL_LDB(msg, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
 795
 796         GET_UINT32_LDB(msg, "schemaFlagsEx", attr, schemaFlagsEx);
 797         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
 798
 799         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
 800         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
 801         GET_STRING_LDB(msg, "adminDescription", mem_ctx, attr, adminDescription, false);
 802         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, attr, classDisplayName, false);
 803         GET_BOOL_LDB(msg, "isEphemeral", attr, isEphemeral, false);
 804         GET_BOOL_LDB(msg, "isDefunct", attr, isDefunct, false);
 805         GET_BOOL_LDB(msg, "systemOnly", attr, systemOnly, false);
 806
 807         attr->syntax = dsdb_syntax_for_attribute(attr);
 808         if (!attr->syntax) {
 809                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
 810         }
 811
 812         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
 813                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
 814         }
 815
 816         return WERR_OK;
 817 }
 818
 819 WERROR dsdb_class_from_ldb(const struct dsdb_schema *schema,
 820                            struct ldb_message *msg,
 821                            TALLOC_CTX *mem_ctx,
 822                            struct dsdb_class *obj)
 823 {
 824         WERROR status;
 825
 826         GET_STRING_LDB(msg, "cn", mem_ctx, obj, cn, false);
 827         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
 828         GET_STRING_LDB(msg, "governsID", mem_ctx, obj, governsID_oid, true);
 829         if (schema->num_prefixes == 0) {
 830                 /* set an invalid value */
 831                 obj->governsID_id = 0xFFFFFFFF;
 832         } else {
 833                 status = dsdb_map_oid2int(schema, obj->governsID_oid, &obj->governsID_id);
 834                 if (!W_ERROR_IS_OK(status)) {
 835                         DEBUG(0,("%s: '%s': unable to map governsID %s: %s\n",
 836                                 __location__, obj->lDAPDisplayName, obj->governsID_oid,
 837                                 win_errstr(status)));
 838                         return status;
 839                 }
 840         }
 841         GET_GUID_LDB(msg, "schemaIDGUID", obj, schemaIDGUID);
 842
 843         GET_UINT32_LDB(msg, "objectClassCategory", obj, objectClassCategory);
 844         GET_STRING_LDB(msg, "rDNAttID", mem_ctx, obj, rDNAttID, false);
 845         GET_STRING_LDB(msg, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
 846
 847         GET_STRING_LDB(msg, "subClassOf", mem_ctx, obj, subClassOf, true);
 848
 849         GET_STRING_LIST_LDB(msg, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass, false);
 850         GET_STRING_LIST_LDB(msg, "auxiliaryClass", mem_ctx, obj, auxiliaryClass, false);
 851
 852         GET_STRING_LIST_LDB(msg, "systemMustContain", mem_ctx, obj, systemMustContain, false);
 853         GET_STRING_LIST_LDB(msg, "systemMayContain", mem_ctx, obj, systemMayContain, false);
 854         GET_STRING_LIST_LDB(msg, "mustContain", mem_ctx, obj, mustContain, false);
 855         GET_STRING_LIST_LDB(msg, "mayContain", mem_ctx, obj, mayContain, false);
 856
 857         GET_STRING_LIST_LDB(msg, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors, false);
 858         GET_STRING_LIST_LDB(msg, "possSuperiors", mem_ctx, obj, possSuperiors, false);
 859
 860         GET_STRING_LDB(msg, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
 861
 862         GET_UINT32_LDB(msg, "schemaFlagsEx", obj, schemaFlagsEx);
 863         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
 864
 865         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
 866         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
 867         GET_STRING_LDB(msg, "adminDescription", mem_ctx, obj, adminDescription, false);
 868         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, obj, classDisplayName, false);
 869         GET_BOOL_LDB(msg, "defaultHidingValue", obj, defaultHidingValue, false);
 870         GET_BOOL_LDB(msg, "isDefunct", obj, isDefunct, false);
 871         GET_BOOL_LDB(msg, "systemOnly", obj, systemOnly, false);
 872
 873         return WERR_OK;
 874 }
 875
 876 #define dsdb_oom(error_string, mem_ctx) *error_string = talloc_asprintf(mem_ctx, "dsdb out of memory at %s:%d\n", __FILE__, __LINE__)
 877
 878 /*
 879  Create a DSDB schema from the ldb results provided.  This is called
 880  directly when the schema is provisioned from an on-disk LDIF file, or
 881  from dsdb_schema_from_schema_dn below
 882 */
 883
 884 int dsdb_schema_from_ldb_results(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 885                                  struct smb_iconv_convenience *iconv_convenience,
 886                                  struct ldb_result *schema_res,
 887                                  struct ldb_result *attrs_res, struct ldb_result *objectclass_res,
 888                                  struct dsdb_schema **schema_out,
 889                                  char **error_string)
 890 {
 891         WERROR status;
 892         uint32_t i;
 893         const struct ldb_val *prefix_val;
 894         const struct ldb_val *info_val;
 895         struct ldb_val info_val_default;
 896         struct dsdb_schema *schema;
 897
 898         schema = dsdb_new_schema(mem_ctx, iconv_convenience);
 899         if (!schema) {
 900                 dsdb_oom(error_string, mem_ctx);
 901                 return LDB_ERR_OPERATIONS_ERROR;
 902         }
 903
 904         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
 905         if (!prefix_val) {
 906                 *error_string = talloc_asprintf(mem_ctx,
 907                                                 "schema_fsmo_init: no prefixMap attribute found");
 908                 return LDB_ERR_CONSTRAINT_VIOLATION;
 909         }
 910         info_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "schemaInfo");
 911         if (!info_val) {
 912                 info_val_default = strhex_to_data_blob(mem_ctx, "FF0000000000000000000000000000000000000000");
 913                 if (!info_val_default.data) {
 914                         dsdb_oom(error_string, mem_ctx);
 915                         return LDB_ERR_OPERATIONS_ERROR;
 916                 }
 917                 info_val = &info_val_default;
 918         }
 919
 920         status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
 921         if (!W_ERROR_IS_OK(status)) {
 922                 *error_string = talloc_asprintf(mem_ctx,
 923                               "schema_fsmo_init: failed to load oid mappings: %s",
 924                               win_errstr(status));
 925                 return LDB_ERR_CONSTRAINT_VIOLATION;
 926         }
 927
 928         for (i=0; i < attrs_res->count; i++) {
 929                 struct dsdb_attribute *sa;
 930
 931                 sa = talloc_zero(schema, struct dsdb_attribute);
 932                 if (!sa) {
 933                         dsdb_oom(error_string, mem_ctx);
 934                         return LDB_ERR_OPERATIONS_ERROR;
 935                 }
 936
 937                 status = dsdb_attribute_from_ldb(ldb, schema, attrs_res->msgs[i], sa, sa);
 938                 if (!W_ERROR_IS_OK(status)) {
 939                         *error_string = talloc_asprintf(mem_ctx,
 940                                       "schema_fsmo_init: failed to load attribute definition: %s:%s",
 941                                       ldb_dn_get_linearized(attrs_res->msgs[i]->dn),
 942                                       win_errstr(status));
 943                         return LDB_ERR_CONSTRAINT_VIOLATION;
 944                 }
 945
 946                 DLIST_ADD_END(schema->attributes, sa, struct dsdb_attribute *);
 947         }
 948
 949         for (i=0; i < objectclass_res->count; i++) {
 950                 struct dsdb_class *sc;
 951
 952                 sc = talloc_zero(schema, struct dsdb_class);
 953                 if (!sc) {
 954                         dsdb_oom(error_string, mem_ctx);
 955                         return LDB_ERR_OPERATIONS_ERROR;
 956                 }
 957
 958                 status = dsdb_class_from_ldb(schema, objectclass_res->msgs[i], sc, sc);
 959                 if (!W_ERROR_IS_OK(status)) {
 960                         *error_string = talloc_asprintf(mem_ctx,
 961                                       "schema_fsmo_init: failed to load class definition: %s:%s",
 962                                       ldb_dn_get_linearized(objectclass_res->msgs[i]->dn),
 963                                       win_errstr(status));
 964                         return LDB_ERR_CONSTRAINT_VIOLATION;
 965                 }
 966
 967                 DLIST_ADD_END(schema->classes, sc, struct dsdb_class *);
 968         }
 969
 970         schema->fsmo.master_dn = ldb_msg_find_attr_as_dn(ldb, schema, schema_res->msgs[0], "fSMORoleOwner");
 971         if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), schema->fsmo.master_dn) == 0) {
 972                 schema->fsmo.we_are_master = true;
 973         } else {
 974                 schema->fsmo.we_are_master = false;
 975         }
 976
 977         DEBUG(5, ("schema_fsmo_init: we are master: %s\n",
 978                   (schema->fsmo.we_are_master?"yes":"no")));
 979
 980         *schema_out = schema;
 981         return LDB_SUCCESS;
 982 }
 983
 984 /*
 985   Given an LDB, and the DN, return a populated schema
 986 */
 987
 988 int dsdb_schema_from_schema_dn(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 989                                struct smb_iconv_convenience *iconv_convenience,
 990                                struct ldb_dn *schema_dn,
 991                                struct dsdb_schema **schema,
 992                                char **error_string_out)
 993 {
 994         TALLOC_CTX *tmp_ctx;
 995         char *error_string;
 996         int ret;
 997
 998         struct ldb_result *schema_res;
 999         struct ldb_result *a_res;
1000         struct ldb_result *c_res;
1001         static const char *schema_attrs[] = {
1002                 "prefixMap",
1003                 "schemaInfo",
1004                 "fSMORoleOwner",
1005                 NULL
1006         };
1007
1008         tmp_ctx = talloc_new(mem_ctx);
1009         if (!tmp_ctx) {
1010                 dsdb_oom(error_string_out, mem_ctx);
1011                 return LDB_ERR_OPERATIONS_ERROR;
1012         }
1013
1014         /*
1015          * setup the prefix mappings and schema info
1016          */
1017         ret = ldb_search(ldb, tmp_ctx, &schema_res,
1018                          schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
1019         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
1020                 talloc_free(tmp_ctx);
1021                 return ret;
1022         } else if (ret != LDB_SUCCESS) {
1023                 *error_string_out = talloc_asprintf(mem_ctx,
1024                                        "dsdb_schema: failed to search the schema head: %s",
1025                                        ldb_errstring(ldb));
1026                 talloc_free(tmp_ctx);
1027                 return ret;
1028         }
1029         if (schema_res->count != 1) {
1030                 *error_string_out = talloc_asprintf(mem_ctx,
1031                               "dsdb_schema: [%u] schema heads found on a base search",
1032                               schema_res->count);
1033                 talloc_free(tmp_ctx);
1034                 return LDB_ERR_CONSTRAINT_VIOLATION;
1035         }
1036
1037         /*
1038          * load the attribute definitions
1039          */
1040         ret = ldb_search(ldb, tmp_ctx, &a_res,
1041                          schema_dn, LDB_SCOPE_ONELEVEL, NULL,
1042                          "(objectClass=attributeSchema)");
1043         if (ret != LDB_SUCCESS) {
1044                 *error_string_out = talloc_asprintf(mem_ctx,
1045                                        "dsdb_schema: failed to search attributeSchema objects: %s",
1046                                        ldb_errstring(ldb));
1047                 talloc_free(tmp_ctx);
1048                 return ret;
1049         }
1050
1051         /*
1052          * load the objectClass definitions
1053          */
1054         ret = ldb_search(ldb, tmp_ctx, &c_res,
1055                          schema_dn, LDB_SCOPE_ONELEVEL, NULL,
1056                          "(objectClass=classSchema)");
1057         if (ret != LDB_SUCCESS) {
1058                 *error_string_out = talloc_asprintf(mem_ctx,
1059                                        "dsdb_schema: failed to search attributeSchema objects: %s",
1060                                        ldb_errstring(ldb));
1061                 talloc_free(tmp_ctx);
1062                 return ret;
1063         }
1064
1065         ret = dsdb_schema_from_ldb_results(tmp_ctx, ldb,
1066                                            lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
1067                                            schema_res, a_res, c_res, schema, &error_string);
1068         if (ret != LDB_SUCCESS) {
1069                 *error_string_out = talloc_asprintf(mem_ctx,
1070                                                     "dsdb_schema load failed: %s",
1071                                                     error_string);
1072                 talloc_free(tmp_ctx);
1073                 return ret;
1074         }
1075         talloc_steal(mem_ctx, *schema);
1076         talloc_free(tmp_ctx);
1077
1078         return LDB_SUCCESS;
1079 }
1080
1081
1082 static const struct {
1083         const char *name;
1084         const char *oid;
1085 } name_mappings[] = {
1086         { "cn",                                 "2.5.4.3" },
1087         { "name",                               "1.2.840.113556.1.4.1" },
1088         { "lDAPDisplayName",                    "1.2.840.113556.1.2.460" },
1089         { "attributeID",                        "1.2.840.113556.1.2.30" },
1090         { "schemaIDGUID",                       "1.2.840.113556.1.4.148" },
1091         { "mAPIID",                             "1.2.840.113556.1.2.49" },
1092         { "attributeSecurityGUID",              "1.2.840.113556.1.4.149" },
1093         { "searchFlags",                        "1.2.840.113556.1.2.334" },
1094         { "systemFlags",                        "1.2.840.113556.1.4.375" },
1095         { "isMemberOfPartialAttributeSet",      "1.2.840.113556.1.4.639" },
1096         { "linkID",                             "1.2.840.113556.1.2.50" },
1097         { "attributeSyntax",                    "1.2.840.113556.1.2.32" },
1098         { "oMSyntax",                           "1.2.840.113556.1.2.231" },
1099         { "oMObjectClass",                      "1.2.840.113556.1.2.218" },
1100         { "isSingleValued",                     "1.2.840.113556.1.2.33" },
1101         { "rangeLower",                         "1.2.840.113556.1.2.34" },
1102         { "rangeUpper",                         "1.2.840.113556.1.2.35" },
1103         { "extendedCharsAllowed",               "1.2.840.113556.1.2.380" },
1104         { "schemaFlagsEx",                      "1.2.840.113556.1.4.120" },
1105         { "msDs-Schema-Extensions",             "1.2.840.113556.1.4.1440" },
1106         { "showInAdvancedViewOnly",             "1.2.840.113556.1.2.169" },
1107         { "adminDisplayName",                   "1.2.840.113556.1.2.194" },
1108         { "adminDescription",                   "1.2.840.113556.1.2.226" },
1109         { "classDisplayName",                   "1.2.840.113556.1.4.610" },
1110         { "isEphemeral",                        "1.2.840.113556.1.4.1212" },
1111         { "isDefunct",                          "1.2.840.113556.1.4.661" },
1112         { "systemOnly",                         "1.2.840.113556.1.4.170" },
1113         { "governsID",                          "1.2.840.113556.1.2.22" },
1114         { "objectClassCategory",                "1.2.840.113556.1.2.370" },
1115         { "rDNAttID",                           "1.2.840.113556.1.2.26" },
1116         { "defaultObjectCategory",              "1.2.840.113556.1.4.783" },
1117         { "subClassOf",                         "1.2.840.113556.1.2.21" },
1118         { "systemAuxiliaryClass",               "1.2.840.113556.1.4.198" },
1119         { "systemPossSuperiors",                "1.2.840.113556.1.4.195" },
1120         { "systemMustContain",                  "1.2.840.113556.1.4.197" },
1121         { "systemMayContain",                   "1.2.840.113556.1.4.196" },
1122         { "auxiliaryClass",                     "1.2.840.113556.1.2.351" },
1123         { "possSuperiors",                      "1.2.840.113556.1.2.8" },
1124         { "mustContain",                        "1.2.840.113556.1.2.24" },
1125         { "mayContain",                         "1.2.840.113556.1.2.25" },
1126         { "defaultSecurityDescriptor",          "1.2.840.113556.1.4.224" },
1127         { "defaultHidingValue",                 "1.2.840.113556.1.4.518" },
1128 };
1129
1130 static struct drsuapi_DsReplicaAttribute *dsdb_find_object_attr_name(struct dsdb_schema *schema,
1131                                                                      struct drsuapi_DsReplicaObject *obj,
1132                                                                      const char *name,
1133                                                                      uint32_t *idx)
1134 {
1135         WERROR status;
1136         uint32_t i, id;
1137         const char *oid = NULL;
1138
1139         for(i=0; i < ARRAY_SIZE(name_mappings); i++) {
1140                 if (strcmp(name_mappings[i].name, name) != 0) continue;
1141
1142                 oid = name_mappings[i].oid;
1143                 break;
1144         }
1145
1146         if (!oid) {
1147                 return NULL;
1148         }
1149
1150         status = dsdb_map_oid2int(schema, oid, &id);
1151         if (!W_ERROR_IS_OK(status)) {
1152                 return NULL;
1153         }
1154
1155         for (i=0; i < obj->attribute_ctr.num_attributes; i++) {
1156                 if (obj->attribute_ctr.attributes[i].attid != id) continue;
1157
1158                 if (idx) *idx = i;
1159                 return &obj->attribute_ctr.attributes[i];
1160         }
1161
1162         return NULL;
1163 }
1164
1165 #define GET_STRING_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1166         struct drsuapi_DsReplicaAttribute *_a; \
1167         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1168         if (strict && !_a) { \
1169                 d_printf("%s: %s == NULL\n", __location__, attr); \
1170                 return WERR_INVALID_PARAM; \
1171         } \
1172         if (strict && _a->value_ctr.num_values != 1) { \
1173                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1174                         _a->value_ctr.num_values); \
1175                 return WERR_INVALID_PARAM; \
1176         } \
1177         if (_a && _a->value_ctr.num_values >= 1) { \
1178                 size_t _ret; \
1179                 if (!convert_string_talloc_convenience(mem_ctx, s->iconv_convenience, CH_UTF16, CH_UNIX, \
1180                                              _a->value_ctr.values[0].blob->data, \
1181                                              _a->value_ctr.values[0].blob->length, \
1182                                              (void **)discard_const(&(p)->elem), &_ret, false)) { \
1183                         DEBUG(0,("%s: invalid data!\n", attr)); \
1184                         dump_data(0, \
1185                                      _a->value_ctr.values[0].blob->data, \
1186                                      _a->value_ctr.values[0].blob->length); \
1187                         return WERR_FOOBAR; \
1188                 } \
1189         } else { \
1190                 (p)->elem = NULL; \
1191         } \
1192 } while (0)
1193
1194 #define GET_UINT32_LIST_DS(s, r, attr, mem_ctx, p, elem) do { \
1195         int list_counter;                                       \
1196         struct drsuapi_DsReplicaAttribute *_a; \
1197         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1198         (p)->elem = _a ? talloc_array(mem_ctx, uint32_t, _a->value_ctr.num_values + 1) : NULL; \
1199         for (list_counter=0;                                    \
1200              _a && list_counter < _a->value_ctr.num_values;     \
1201              list_counter++) {                          \
1202                 if (_a->value_ctr.values[list_counter].blob->length != 4) { \
1203                         return WERR_INVALID_PARAM;                      \
1204                 }                                                       \
1205                 (p)->elem[list_counter] = IVAL(_a->value_ctr.values[list_counter].blob->data, 0); \
1206         }                                                               \
1207         if (_a) (p)->elem[list_counter] = 0;                            \
1208 } while (0)
1209
1210 #define GET_DN_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1211         struct drsuapi_DsReplicaAttribute *_a; \
1212         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1213         if (strict && !_a) { \
1214                 d_printf("%s: %s == NULL\n", __location__, attr); \
1215                 return WERR_INVALID_PARAM; \
1216         } \
1217         if (strict && _a->value_ctr.num_values != 1) { \
1218                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1219                         _a->value_ctr.num_values); \
1220                 return WERR_INVALID_PARAM; \
1221         } \
1222         if (strict && !_a->value_ctr.values[0].blob) { \
1223                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1224                 return WERR_INVALID_PARAM; \
1225         } \
1226         if (_a && _a->value_ctr.num_values >= 1 \
1227             && _a->value_ctr.values[0].blob) { \
1228                 struct drsuapi_DsReplicaObjectIdentifier3 _id3; \
1229                 enum ndr_err_code _ndr_err; \
1230                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1231                                                       mem_ctx, s->iconv_convenience, &_id3,\
1232                                                       (ndr_pull_flags_fn_t)ndr_pull_drsuapi_DsReplicaObjectIdentifier3);\
1233                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1234                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1235                         return ntstatus_to_werror(_nt_status); \
1236                 } \
1237                 (p)->elem = _id3.dn; \
1238         } else { \
1239                 (p)->elem = NULL; \
1240         } \
1241 } while (0)
1242
1243 #define GET_BOOL_DS(s, r, attr, p, elem, strict) do { \
1244         struct drsuapi_DsReplicaAttribute *_a; \
1245         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1246         if (strict && !_a) { \
1247                 d_printf("%s: %s == NULL\n", __location__, attr); \
1248                 return WERR_INVALID_PARAM; \
1249         } \
1250         if (strict && _a->value_ctr.num_values != 1) { \
1251                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1252                          (unsigned int)_a->value_ctr.num_values);       \
1253                 return WERR_INVALID_PARAM; \
1254         } \
1255         if (strict && !_a->value_ctr.values[0].blob) { \
1256                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1257                 return WERR_INVALID_PARAM; \
1258         } \
1259         if (strict && _a->value_ctr.values[0].blob->length != 4) { \
1260                 d_printf("%s: %s length == %u\n", __location__, attr, \
1261                          (unsigned int)_a->value_ctr.values[0].blob->length); \
1262                 return WERR_INVALID_PARAM; \
1263         } \
1264         if (_a && _a->value_ctr.num_values >= 1 \
1265             && _a->value_ctr.values[0].blob \
1266             && _a->value_ctr.values[0].blob->length == 4) { \
1267                 (p)->elem = (IVAL(_a->value_ctr.values[0].blob->data,0)?true:false);\
1268         } else { \
1269                 (p)->elem = false; \
1270         } \
1271 } while (0)
1272
1273 #define GET_UINT32_DS(s, r, attr, p, elem) do { \
1274         struct drsuapi_DsReplicaAttribute *_a; \
1275         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1276         if (_a && _a->value_ctr.num_values >= 1 \
1277             && _a->value_ctr.values[0].blob \
1278             && _a->value_ctr.values[0].blob->length == 4) { \
1279                 (p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1280         } else { \
1281                 (p)->elem = 0; \
1282         } \
1283 } while (0)
1284
1285 #define GET_UINT32_PTR_DS(s, r, attr, p, elem) do { \
1286         struct drsuapi_DsReplicaAttribute *_a; \
1287         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1288         if (_a && _a->value_ctr.num_values >= 1 \
1289             && _a->value_ctr.values[0].blob \
1290             && _a->value_ctr.values[0].blob->length == 4) { \
1291                 (p)->elem = talloc(mem_ctx, uint32_t); \
1292                 if (!(p)->elem) { \
1293                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
1294                         return WERR_NOMEM; \
1295                 } \
1296                 *(p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1297         } else { \
1298                 (p)->elem = NULL; \
1299         } \
1300 } while (0)
1301
1302 #define GET_GUID_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             && _a->value_ctr.values[0].blob->length == 16) { \
1308                 enum ndr_err_code _ndr_err; \
1309                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1310                                                       mem_ctx, s->iconv_convenience, &(p)->elem, \
1311                                                       (ndr_pull_flags_fn_t)ndr_pull_GUID); \
1312                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1313                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1314                         return ntstatus_to_werror(_nt_status); \
1315                 } \
1316         } else { \
1317                 ZERO_STRUCT((p)->elem);\
1318         } \
1319 } while (0)
1320
1321 #define GET_BLOB_DS(s, r, attr, mem_ctx, p, elem) do { \
1322         struct drsuapi_DsReplicaAttribute *_a; \
1323         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1324         if (_a && _a->value_ctr.num_values >= 1 \
1325             && _a->value_ctr.values[0].blob) { \
1326                 (p)->elem = *_a->value_ctr.values[0].blob;\
1327                 talloc_steal(mem_ctx, (p)->elem.data); \
1328         } else { \
1329                 ZERO_STRUCT((p)->elem);\
1330         }\
1331 } while (0)
1332
1333 WERROR dsdb_attribute_from_drsuapi(struct ldb_context *ldb,
1334                                    struct dsdb_schema *schema,
1335                                    struct drsuapi_DsReplicaObject *r,
1336                                    TALLOC_CTX *mem_ctx,
1337                                    struct dsdb_attribute *attr)
1338 {
1339         WERROR status;
1340
1341         GET_STRING_DS(schema, r, "name", mem_ctx, attr, cn, true);
1342         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
1343         GET_UINT32_DS(schema, r, "attributeID", attr, attributeID_id);
1344         status = dsdb_map_int2oid(schema, attr->attributeID_id, mem_ctx, &attr->attributeID_oid);
1345         if (!W_ERROR_IS_OK(status)) {
1346                 DEBUG(0,("%s: '%s': unable to map attributeID 0x%08X: %s\n",
1347                         __location__, attr->lDAPDisplayName, attr->attributeID_id,
1348                         win_errstr(status)));
1349                 return status;
1350         }
1351         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, attr, schemaIDGUID);
1352         GET_UINT32_DS(schema, r, "mAPIID", attr, mAPIID);
1353
1354         GET_GUID_DS(schema, r, "attributeSecurityGUID", mem_ctx, attr, attributeSecurityGUID);
1355
1356         GET_UINT32_DS(schema, r, "searchFlags", attr, searchFlags);
1357         GET_UINT32_DS(schema, r, "systemFlags", attr, systemFlags);
1358         GET_BOOL_DS(schema, r, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
1359         GET_UINT32_DS(schema, r, "linkID", attr, linkID);
1360
1361         GET_UINT32_DS(schema, r, "attributeSyntax", attr, attributeSyntax_id);
1362         status = dsdb_map_int2oid(schema, attr->attributeSyntax_id, mem_ctx, &attr->attributeSyntax_oid);
1363         if (!W_ERROR_IS_OK(status)) {
1364                 DEBUG(0,("%s: '%s': unable to map attributeSyntax 0x%08X: %s\n",
1365                         __location__, attr->lDAPDisplayName, attr->attributeSyntax_id,
1366                         win_errstr(status)));
1367                 return status;
1368         }
1369         GET_UINT32_DS(schema, r, "oMSyntax", attr, oMSyntax);
1370         GET_BLOB_DS(schema, r, "oMObjectClass", mem_ctx, attr, oMObjectClass);
1371
1372         GET_BOOL_DS(schema, r, "isSingleValued", attr, isSingleValued, true);
1373         GET_UINT32_PTR_DS(schema, r, "rangeLower", attr, rangeLower);
1374         GET_UINT32_PTR_DS(schema, r, "rangeUpper", attr, rangeUpper);
1375         GET_BOOL_DS(schema, r, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
1376
1377         GET_UINT32_DS(schema, r, "schemaFlagsEx", attr, schemaFlagsEx);
1378         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
1379
1380         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
1381         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
1382         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, attr, adminDescription, false);
1383         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, attr, classDisplayName, false);
1384         GET_BOOL_DS(schema, r, "isEphemeral", attr, isEphemeral, false);
1385         GET_BOOL_DS(schema, r, "isDefunct", attr, isDefunct, false);
1386         GET_BOOL_DS(schema, r, "systemOnly", attr, systemOnly, false);
1387
1388         attr->syntax = dsdb_syntax_for_attribute(attr);
1389         if (!attr->syntax) {
1390                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1391         }
1392
1393         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
1394                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1395         }
1396
1397         return WERR_OK;
1398 }
1399
1400 WERROR dsdb_class_from_drsuapi(struct dsdb_schema *schema,
1401                                struct drsuapi_DsReplicaObject *r,
1402                                TALLOC_CTX *mem_ctx,
1403                                struct dsdb_class *obj)
1404 {
1405         WERROR status;
1406
1407         GET_STRING_DS(schema, r, "name", mem_ctx, obj, cn, true);
1408         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
1409         GET_UINT32_DS(schema, r, "governsID", obj, governsID_id);
1410         status = dsdb_map_int2oid(schema, obj->governsID_id, mem_ctx, &obj->governsID_oid);
1411         if (!W_ERROR_IS_OK(status)) {
1412                 DEBUG(0,("%s: '%s': unable to map governsID 0x%08X: %s\n",
1413                         __location__, obj->lDAPDisplayName, obj->governsID_id,
1414                         win_errstr(status)));
1415                 return status;
1416         }
1417         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, obj, schemaIDGUID);
1418
1419         GET_UINT32_DS(schema, r, "objectClassCategory", obj, objectClassCategory);
1420         GET_STRING_DS(schema, r, "rDNAttID", mem_ctx, obj, rDNAttID, false);
1421         GET_DN_DS(schema, r, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
1422
1423         GET_UINT32_DS(schema, r, "subClassOf", obj, subClassOf_id);
1424
1425         GET_UINT32_LIST_DS(schema, r, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass_ids);
1426         GET_UINT32_LIST_DS(schema, r, "auxiliaryClass", mem_ctx, obj, auxiliaryClass_ids);
1427
1428         GET_UINT32_LIST_DS(schema, r, "systemMustContain", mem_ctx, obj, systemMustContain_ids);
1429         GET_UINT32_LIST_DS(schema, r, "systemMayContain", mem_ctx, obj, systemMayContain_ids);
1430         GET_UINT32_LIST_DS(schema, r, "mustContain", mem_ctx, obj, mustContain_ids);
1431         GET_UINT32_LIST_DS(schema, r, "mayContain", mem_ctx, obj, mayContain_ids);
1432
1433         GET_UINT32_LIST_DS(schema, r, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors_ids);
1434         GET_UINT32_LIST_DS(schema, r, "possSuperiors", mem_ctx, obj, possSuperiors_ids);
1435
1436         GET_STRING_DS(schema, r, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
1437
1438         GET_UINT32_DS(schema, r, "schemaFlagsEx", obj, schemaFlagsEx);
1439         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
1440
1441         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
1442         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
1443         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, obj, adminDescription, false);
1444         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, obj, classDisplayName, false);
1445         GET_BOOL_DS(schema, r, "defaultHidingValue", obj, defaultHidingValue, false);
1446         GET_BOOL_DS(schema, r, "isDefunct", obj, isDefunct, false);
1447         GET_BOOL_DS(schema, r, "systemOnly", obj, systemOnly, false);
1448
1449         return WERR_OK;
1450 }
1451