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(blob->ctr.dsdb.mappings[i].oid.oid);
 580         }
 581
 582         talloc_free(blob);
 583         return WERR_OK;
 584 }
 585
 586
 587 /*
 588   setup the ldb_schema_attribute field for a dsdb_attribute
 589  */
 590 static int dsdb_schema_setup_ldb_schema_attribute(struct ldb_context *ldb,
 591                                                   struct dsdb_attribute *attr)
 592 {
 593         const char *syntax = attr->syntax->ldb_syntax;
 594         const struct ldb_schema_syntax *s;
 595         struct ldb_schema_attribute *a;
 596
 597         if (!syntax) {
 598                 syntax = attr->syntax->ldap_oid;
 599         }
 600
 601         s = ldb_samba_syntax_by_lDAPDisplayName(ldb, attr->lDAPDisplayName);
 602         if (s == NULL) {
 603                 s = ldb_samba_syntax_by_name(ldb, syntax);
 604         }
 605         if (s == NULL) {
 606                 s = ldb_standard_syntax_by_name(ldb, syntax);
 607         }
 608
 609         if (s == NULL) {
 610                 return LDB_ERR_OPERATIONS_ERROR;
 611         }
 612
 613         attr->ldb_schema_attribute = a = talloc(attr, struct ldb_schema_attribute);
 614         if (attr->ldb_schema_attribute == NULL) {
 615                 ldb_oom(ldb);
 616                 return LDB_ERR_OPERATIONS_ERROR;
 617         }
 618
 619         a->name = attr->lDAPDisplayName;
 620         a->flags = 0;
 621         a->syntax = s;
 622
 623         return LDB_SUCCESS;
 624 }
 625
 626
 627
 628 #define GET_STRING_LDB(msg, attr, mem_ctx, p, elem, strict) do { \
 629         (p)->elem = samdb_result_string(msg, attr, NULL);\
 630         if (strict && (p)->elem == NULL) { \
 631                 d_printf("%s: %s == NULL\n", __location__, attr); \
 632                 return WERR_INVALID_PARAM; \
 633         } \
 634         talloc_steal(mem_ctx, (p)->elem); \
 635 } while (0)
 636
 637 #define GET_STRING_LIST_LDB(msg, attr, mem_ctx, p, elem, strict) do {   \
 638         int get_string_list_counter;                                    \
 639         struct ldb_message_element *get_string_list_el = ldb_msg_find_element(msg, attr); \
 640         if (get_string_list_el == NULL) {                               \
 641                 if (strict) {                                           \
 642                         d_printf("%s: %s == NULL\n", __location__, attr); \
 643                         return WERR_INVALID_PARAM;                      \
 644                 } else {                                                \
 645                         (p)->elem = NULL;                               \
 646                         break;                                          \
 647                 }                                                       \
 648         }                                                               \
 649         (p)->elem = talloc_array(mem_ctx, const char *, get_string_list_el->num_values + 1); \
 650         for (get_string_list_counter=0;                                 \
 651              get_string_list_counter < get_string_list_el->num_values;  \
 652              get_string_list_counter++) {                               \
 653                 (p)->elem[get_string_list_counter] = talloc_strndup((p)->elem, \
 654                                                                     (const char *)get_string_list_el->values[get_string_list_counter].data, \
 655                                                                     get_string_list_el->values[get_string_list_counter].length); \
 656                 if (!(p)->elem[get_string_list_counter]) {              \
 657                         d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
 658                         return WERR_NOMEM;                              \
 659                 }                                                       \
 660                 (p)->elem[get_string_list_counter+1] = NULL;            \
 661         }                                                               \
 662         talloc_steal(mem_ctx, (p)->elem);                               \
 663 } while (0)
 664
 665 #define GET_BOOL_LDB(msg, attr, p, elem, strict) do { \
 666         const char *str; \
 667         str = samdb_result_string(msg, attr, NULL);\
 668         if (str == NULL) { \
 669                 if (strict) { \
 670                         d_printf("%s: %s == NULL\n", __location__, attr); \
 671                         return WERR_INVALID_PARAM; \
 672                 } else { \
 673                         (p)->elem = false; \
 674                 } \
 675         } else if (strcasecmp("TRUE", str) == 0) { \
 676                 (p)->elem = true; \
 677         } else if (strcasecmp("FALSE", str) == 0) { \
 678                 (p)->elem = false; \
 679         } else { \
 680                 d_printf("%s: %s == %s\n", __location__, attr, str); \
 681                 return WERR_INVALID_PARAM; \
 682         } \
 683 } while (0)
 684
 685 #define GET_UINT32_LDB(msg, attr, p, elem) do { \
 686         (p)->elem = samdb_result_uint(msg, attr, 0);\
 687 } while (0)
 688
 689 #define GET_UINT32_PTR_LDB(msg, attr, p, elem) do { \
 690         uint64_t _v = samdb_result_uint64(msg, attr, UINT64_MAX);\
 691         if (_v == UINT64_MAX) { \
 692                 (p)->elem = NULL; \
 693         } else if (_v > UINT32_MAX) { \
 694                 d_printf("%s: %s == 0x%llX\n", __location__, \
 695                          attr, (unsigned long long)_v); \
 696                 return WERR_INVALID_PARAM; \
 697         } else { \
 698                 (p)->elem = talloc(mem_ctx, uint32_t); \
 699                 if (!(p)->elem) { \
 700                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
 701                         return WERR_NOMEM; \
 702                 } \
 703                 *(p)->elem = (uint32_t)_v; \
 704         } \
 705 } while (0)
 706
 707 #define GET_GUID_LDB(msg, attr, p, elem) do { \
 708         (p)->elem = samdb_result_guid(msg, attr);\
 709 } while (0)
 710
 711 #define GET_BLOB_LDB(msg, attr, mem_ctx, p, elem) do { \
 712         const struct ldb_val *_val;\
 713         _val = ldb_msg_find_ldb_val(msg, attr);\
 714         if (_val) {\
 715                 (p)->elem = *_val;\
 716                 talloc_steal(mem_ctx, (p)->elem.data);\
 717         } else {\
 718                 ZERO_STRUCT((p)->elem);\
 719         }\
 720 } while (0)
 721
 722 WERROR dsdb_attribute_from_ldb(struct ldb_context *ldb,
 723                                const struct dsdb_schema *schema,
 724                                struct ldb_message *msg,
 725                                TALLOC_CTX *mem_ctx,
 726                                struct dsdb_attribute *attr)
 727 {
 728         WERROR status;
 729
 730         GET_STRING_LDB(msg, "cn", mem_ctx, attr, cn, false);
 731         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
 732         GET_STRING_LDB(msg, "attributeID", mem_ctx, attr, attributeID_oid, true);
 733         if (schema->num_prefixes == 0) {
 734                 /* set an invalid value */
 735                 attr->attributeID_id = 0xFFFFFFFF;
 736         } else {
 737                 status = dsdb_map_oid2int(schema, attr->attributeID_oid, &attr->attributeID_id);
 738                 if (!W_ERROR_IS_OK(status)) {
 739                         DEBUG(0,("%s: '%s': unable to map attributeID %s: %s\n",
 740                                 __location__, attr->lDAPDisplayName, attr->attributeID_oid,
 741                                 win_errstr(status)));
 742                         return status;
 743                 }
 744         }
 745         GET_GUID_LDB(msg, "schemaIDGUID", attr, schemaIDGUID);
 746         GET_UINT32_LDB(msg, "mAPIID", attr, mAPIID);
 747
 748         GET_GUID_LDB(msg, "attributeSecurityGUID", attr, attributeSecurityGUID);
 749
 750         GET_UINT32_LDB(msg, "searchFlags", attr, searchFlags);
 751         GET_UINT32_LDB(msg, "systemFlags", attr, systemFlags);
 752         GET_BOOL_LDB(msg, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
 753         GET_UINT32_LDB(msg, "linkID", attr, linkID);
 754
 755         GET_STRING_LDB(msg, "attributeSyntax", mem_ctx, attr, attributeSyntax_oid, true);
 756         if (schema->num_prefixes == 0) {
 757                 /* set an invalid value */
 758                 attr->attributeSyntax_id = 0xFFFFFFFF;
 759         } else {
 760                 status = dsdb_map_oid2int(schema, attr->attributeSyntax_oid, &attr->attributeSyntax_id);
 761                 if (!W_ERROR_IS_OK(status)) {
 762                         DEBUG(0,("%s: '%s': unable to map attributeSyntax_ %s: %s\n",
 763                                 __location__, attr->lDAPDisplayName, attr->attributeSyntax_oid,
 764                                 win_errstr(status)));
 765                         return status;
 766                 }
 767         }
 768         GET_UINT32_LDB(msg, "oMSyntax", attr, oMSyntax);
 769         GET_BLOB_LDB(msg, "oMObjectClass", mem_ctx, attr, oMObjectClass);
 770
 771         GET_BOOL_LDB(msg, "isSingleValued", attr, isSingleValued, true);
 772         GET_UINT32_PTR_LDB(msg, "rangeLower", attr, rangeLower);
 773         GET_UINT32_PTR_LDB(msg, "rangeUpper", attr, rangeUpper);
 774         GET_BOOL_LDB(msg, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
 775
 776         GET_UINT32_LDB(msg, "schemaFlagsEx", attr, schemaFlagsEx);
 777         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
 778
 779         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
 780         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
 781         GET_STRING_LDB(msg, "adminDescription", mem_ctx, attr, adminDescription, false);
 782         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, attr, classDisplayName, false);
 783         GET_BOOL_LDB(msg, "isEphemeral", attr, isEphemeral, false);
 784         GET_BOOL_LDB(msg, "isDefunct", attr, isDefunct, false);
 785         GET_BOOL_LDB(msg, "systemOnly", attr, systemOnly, false);
 786
 787         attr->syntax = dsdb_syntax_for_attribute(attr);
 788         if (!attr->syntax) {
 789                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
 790         }
 791
 792         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
 793                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
 794         }
 795
 796         return WERR_OK;
 797 }
 798
 799 WERROR dsdb_class_from_ldb(const struct dsdb_schema *schema,
 800                            struct ldb_message *msg,
 801                            TALLOC_CTX *mem_ctx,
 802                            struct dsdb_class *obj)
 803 {
 804         WERROR status;
 805
 806         GET_STRING_LDB(msg, "cn", mem_ctx, obj, cn, false);
 807         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
 808         GET_STRING_LDB(msg, "governsID", mem_ctx, obj, governsID_oid, true);
 809         if (schema->num_prefixes == 0) {
 810                 /* set an invalid value */
 811                 obj->governsID_id = 0xFFFFFFFF;
 812         } else {
 813                 status = dsdb_map_oid2int(schema, obj->governsID_oid, &obj->governsID_id);
 814                 if (!W_ERROR_IS_OK(status)) {
 815                         DEBUG(0,("%s: '%s': unable to map governsID %s: %s\n",
 816                                 __location__, obj->lDAPDisplayName, obj->governsID_oid,
 817                                 win_errstr(status)));
 818                         return status;
 819                 }
 820         }
 821         GET_GUID_LDB(msg, "schemaIDGUID", obj, schemaIDGUID);
 822
 823         GET_UINT32_LDB(msg, "objectClassCategory", obj, objectClassCategory);
 824         GET_STRING_LDB(msg, "rDNAttID", mem_ctx, obj, rDNAttID, false);
 825         GET_STRING_LDB(msg, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
 826
 827         GET_STRING_LDB(msg, "subClassOf", mem_ctx, obj, subClassOf, true);
 828
 829         GET_STRING_LIST_LDB(msg, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass, false);
 830         GET_STRING_LIST_LDB(msg, "auxiliaryClass", mem_ctx, obj, auxiliaryClass, false);
 831
 832         GET_STRING_LIST_LDB(msg, "systemMustContain", mem_ctx, obj, systemMustContain, false);
 833         GET_STRING_LIST_LDB(msg, "systemMayContain", mem_ctx, obj, systemMayContain, false);
 834         GET_STRING_LIST_LDB(msg, "mustContain", mem_ctx, obj, mustContain, false);
 835         GET_STRING_LIST_LDB(msg, "mayContain", mem_ctx, obj, mayContain, false);
 836
 837         GET_STRING_LIST_LDB(msg, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors, false);
 838         GET_STRING_LIST_LDB(msg, "possSuperiors", mem_ctx, obj, possSuperiors, false);
 839
 840         GET_STRING_LDB(msg, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
 841
 842         GET_UINT32_LDB(msg, "schemaFlagsEx", obj, schemaFlagsEx);
 843         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
 844
 845         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
 846         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
 847         GET_STRING_LDB(msg, "adminDescription", mem_ctx, obj, adminDescription, false);
 848         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, obj, classDisplayName, false);
 849         GET_BOOL_LDB(msg, "defaultHidingValue", obj, defaultHidingValue, false);
 850         GET_BOOL_LDB(msg, "isDefunct", obj, isDefunct, false);
 851         GET_BOOL_LDB(msg, "systemOnly", obj, systemOnly, false);
 852
 853         return WERR_OK;
 854 }
 855
 856 #define dsdb_oom(error_string, mem_ctx) *error_string = talloc_asprintf(mem_ctx, "dsdb out of memory at %s:%d\n", __FILE__, __LINE__)
 857
 858 /*
 859  Create a DSDB schema from the ldb results provided.  This is called
 860  directly when the schema is provisioned from an on-disk LDIF file, or
 861  from dsdb_schema_from_schema_dn below
 862 */
 863
 864 int dsdb_schema_from_ldb_results(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 865                                  struct smb_iconv_convenience *iconv_convenience,
 866                                  struct ldb_result *schema_res,
 867                                  struct ldb_result *attrs_res, struct ldb_result *objectclass_res,
 868                                  struct dsdb_schema **schema_out,
 869                                  char **error_string)
 870 {
 871         WERROR status;
 872         uint32_t i;
 873         const struct ldb_val *prefix_val;
 874         const struct ldb_val *info_val;
 875         struct ldb_val info_val_default;
 876         struct dsdb_schema *schema;
 877
 878         schema = dsdb_new_schema(mem_ctx, iconv_convenience);
 879         if (!schema) {
 880                 dsdb_oom(error_string, mem_ctx);
 881                 return LDB_ERR_OPERATIONS_ERROR;
 882         }
 883
 884         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
 885         if (!prefix_val) {
 886                 *error_string = talloc_asprintf(mem_ctx,
 887                                                 "schema_fsmo_init: no prefixMap attribute found");
 888                 return LDB_ERR_CONSTRAINT_VIOLATION;
 889         }
 890         info_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "schemaInfo");
 891         if (!info_val) {
 892                 info_val_default = strhex_to_data_blob(mem_ctx, "FF0000000000000000000000000000000000000000");
 893                 if (!info_val_default.data) {
 894                         dsdb_oom(error_string, mem_ctx);
 895                         return LDB_ERR_OPERATIONS_ERROR;
 896                 }
 897                 info_val = &info_val_default;
 898         }
 899
 900         status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
 901         if (!W_ERROR_IS_OK(status)) {
 902                 *error_string = talloc_asprintf(mem_ctx,
 903                               "schema_fsmo_init: failed to load oid mappings: %s",
 904                               win_errstr(status));
 905                 return LDB_ERR_CONSTRAINT_VIOLATION;
 906         }
 907
 908         for (i=0; i < attrs_res->count; i++) {
 909                 struct dsdb_attribute *sa;
 910
 911                 sa = talloc_zero(schema, struct dsdb_attribute);
 912                 if (!sa) {
 913                         dsdb_oom(error_string, mem_ctx);
 914                         return LDB_ERR_OPERATIONS_ERROR;
 915                 }
 916
 917                 status = dsdb_attribute_from_ldb(ldb, schema, attrs_res->msgs[i], sa, sa);
 918                 if (!W_ERROR_IS_OK(status)) {
 919                         *error_string = talloc_asprintf(mem_ctx,
 920                                       "schema_fsmo_init: failed to load attribute definition: %s:%s",
 921                                       ldb_dn_get_linearized(attrs_res->msgs[i]->dn),
 922                                       win_errstr(status));
 923                         return LDB_ERR_CONSTRAINT_VIOLATION;
 924                 }
 925
 926                 DLIST_ADD_END(schema->attributes, sa, struct dsdb_attribute *);
 927         }
 928
 929         for (i=0; i < objectclass_res->count; i++) {
 930                 struct dsdb_class *sc;
 931
 932                 sc = talloc_zero(schema, struct dsdb_class);
 933                 if (!sc) {
 934                         dsdb_oom(error_string, mem_ctx);
 935                         return LDB_ERR_OPERATIONS_ERROR;
 936                 }
 937
 938                 status = dsdb_class_from_ldb(schema, objectclass_res->msgs[i], sc, sc);
 939                 if (!W_ERROR_IS_OK(status)) {
 940                         *error_string = talloc_asprintf(mem_ctx,
 941                                       "schema_fsmo_init: failed to load class definition: %s:%s",
 942                                       ldb_dn_get_linearized(objectclass_res->msgs[i]->dn),
 943                                       win_errstr(status));
 944                         return LDB_ERR_CONSTRAINT_VIOLATION;
 945                 }
 946
 947                 DLIST_ADD_END(schema->classes, sc, struct dsdb_class *);
 948         }
 949
 950         schema->fsmo.master_dn = ldb_msg_find_attr_as_dn(ldb, schema, schema_res->msgs[0], "fSMORoleOwner");
 951         if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), schema->fsmo.master_dn) == 0) {
 952                 schema->fsmo.we_are_master = true;
 953         } else {
 954                 schema->fsmo.we_are_master = false;
 955         }
 956
 957         DEBUG(5, ("schema_fsmo_init: we are master: %s\n",
 958                   (schema->fsmo.we_are_master?"yes":"no")));
 959
 960         *schema_out = schema;
 961         return LDB_SUCCESS;
 962 }
 963
 964 /*
 965   Given an LDB, and the DN, return a populated schema
 966 */
 967
 968 int dsdb_schema_from_schema_dn(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 969                                struct smb_iconv_convenience *iconv_convenience,
 970                                struct ldb_dn *schema_dn,
 971                                struct dsdb_schema **schema,
 972                                char **error_string_out)
 973 {
 974         TALLOC_CTX *tmp_ctx;
 975         char *error_string;
 976         int ret;
 977
 978         struct ldb_result *schema_res;
 979         struct ldb_result *a_res;
 980         struct ldb_result *c_res;
 981         static const char *schema_attrs[] = {
 982                 "prefixMap",
 983                 "schemaInfo",
 984                 "fSMORoleOwner",
 985                 NULL
 986         };
 987
 988         tmp_ctx = talloc_new(mem_ctx);
 989         if (!tmp_ctx) {
 990                 dsdb_oom(error_string_out, mem_ctx);
 991                 return LDB_ERR_OPERATIONS_ERROR;
 992         }
 993
 994         /*
 995          * setup the prefix mappings and schema info
 996          */
 997         ret = ldb_search(ldb, tmp_ctx, &schema_res,
 998                          schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
 999         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
1000                 talloc_free(tmp_ctx);
1001                 return ret;
1002         } else if (ret != LDB_SUCCESS) {
1003                 *error_string_out = talloc_asprintf(mem_ctx,
1004                                        "dsdb_schema: failed to search the schema head: %s",
1005                                        ldb_errstring(ldb));
1006                 talloc_free(tmp_ctx);
1007                 return ret;
1008         }
1009         if (schema_res->count != 1) {
1010                 *error_string_out = talloc_asprintf(mem_ctx,
1011                               "dsdb_schema: [%u] schema heads found on a base search",
1012                               schema_res->count);
1013                 talloc_free(tmp_ctx);
1014                 return LDB_ERR_CONSTRAINT_VIOLATION;
1015         }
1016
1017         /*
1018          * load the attribute definitions
1019          */
1020         ret = ldb_search(ldb, tmp_ctx, &a_res,
1021                          schema_dn, LDB_SCOPE_ONELEVEL, NULL,
1022                          "(objectClass=attributeSchema)");
1023         if (ret != LDB_SUCCESS) {
1024                 *error_string_out = talloc_asprintf(mem_ctx,
1025                                        "dsdb_schema: failed to search attributeSchema objects: %s",
1026                                        ldb_errstring(ldb));
1027                 talloc_free(tmp_ctx);
1028                 return ret;
1029         }
1030
1031         /*
1032          * load the objectClass definitions
1033          */
1034         ret = ldb_search(ldb, tmp_ctx, &c_res,
1035                          schema_dn, LDB_SCOPE_ONELEVEL, NULL,
1036                          "(objectClass=classSchema)");
1037         if (ret != LDB_SUCCESS) {
1038                 *error_string_out = talloc_asprintf(mem_ctx,
1039                                        "dsdb_schema: failed to search attributeSchema objects: %s",
1040                                        ldb_errstring(ldb));
1041                 talloc_free(tmp_ctx);
1042                 return ret;
1043         }
1044
1045         ret = dsdb_schema_from_ldb_results(tmp_ctx, ldb,
1046                                            lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
1047                                            schema_res, a_res, c_res, schema, &error_string);
1048         if (ret != LDB_SUCCESS) {
1049                 *error_string_out = talloc_asprintf(mem_ctx,
1050                                                     "dsdb_schema load failed: %s",
1051                                                     error_string);
1052                 talloc_free(tmp_ctx);
1053                 return ret;
1054         }
1055         talloc_steal(mem_ctx, *schema);
1056         talloc_free(tmp_ctx);
1057
1058         return LDB_SUCCESS;
1059 }
1060
1061
1062 static const struct {
1063         const char *name;
1064         const char *oid;
1065 } name_mappings[] = {
1066         { "cn",                                 "2.5.4.3" },
1067         { "name",                               "1.2.840.113556.1.4.1" },
1068         { "lDAPDisplayName",                    "1.2.840.113556.1.2.460" },
1069         { "attributeID",                        "1.2.840.113556.1.2.30" },
1070         { "schemaIDGUID",                       "1.2.840.113556.1.4.148" },
1071         { "mAPIID",                             "1.2.840.113556.1.2.49" },
1072         { "attributeSecurityGUID",              "1.2.840.113556.1.4.149" },
1073         { "searchFlags",                        "1.2.840.113556.1.2.334" },
1074         { "systemFlags",                        "1.2.840.113556.1.4.375" },
1075         { "isMemberOfPartialAttributeSet",      "1.2.840.113556.1.4.639" },
1076         { "linkID",                             "1.2.840.113556.1.2.50" },
1077         { "attributeSyntax",                    "1.2.840.113556.1.2.32" },
1078         { "oMSyntax",                           "1.2.840.113556.1.2.231" },
1079         { "oMObjectClass",                      "1.2.840.113556.1.2.218" },
1080         { "isSingleValued",                     "1.2.840.113556.1.2.33" },
1081         { "rangeLower",                         "1.2.840.113556.1.2.34" },
1082         { "rangeUpper",                         "1.2.840.113556.1.2.35" },
1083         { "extendedCharsAllowed",               "1.2.840.113556.1.2.380" },
1084         { "schemaFlagsEx",                      "1.2.840.113556.1.4.120" },
1085         { "msDs-Schema-Extensions",             "1.2.840.113556.1.4.1440" },
1086         { "showInAdvancedViewOnly",             "1.2.840.113556.1.2.169" },
1087         { "adminDisplayName",                   "1.2.840.113556.1.2.194" },
1088         { "adminDescription",                   "1.2.840.113556.1.2.226" },
1089         { "classDisplayName",                   "1.2.840.113556.1.4.610" },
1090         { "isEphemeral",                        "1.2.840.113556.1.4.1212" },
1091         { "isDefunct",                          "1.2.840.113556.1.4.661" },
1092         { "systemOnly",                         "1.2.840.113556.1.4.170" },
1093         { "governsID",                          "1.2.840.113556.1.2.22" },
1094         { "objectClassCategory",                "1.2.840.113556.1.2.370" },
1095         { "rDNAttID",                           "1.2.840.113556.1.2.26" },
1096         { "defaultObjectCategory",              "1.2.840.113556.1.4.783" },
1097         { "subClassOf",                         "1.2.840.113556.1.2.21" },
1098         { "systemAuxiliaryClass",               "1.2.840.113556.1.4.198" },
1099         { "systemPossSuperiors",                "1.2.840.113556.1.4.195" },
1100         { "systemMustContain",                  "1.2.840.113556.1.4.197" },
1101         { "systemMayContain",                   "1.2.840.113556.1.4.196" },
1102         { "auxiliaryClass",                     "1.2.840.113556.1.2.351" },
1103         { "possSuperiors",                      "1.2.840.113556.1.2.8" },
1104         { "mustContain",                        "1.2.840.113556.1.2.24" },
1105         { "mayContain",                         "1.2.840.113556.1.2.25" },
1106         { "defaultSecurityDescriptor",          "1.2.840.113556.1.4.224" },
1107         { "defaultHidingValue",                 "1.2.840.113556.1.4.518" },
1108 };
1109
1110 static struct drsuapi_DsReplicaAttribute *dsdb_find_object_attr_name(struct dsdb_schema *schema,
1111                                                                      struct drsuapi_DsReplicaObject *obj,
1112                                                                      const char *name,
1113                                                                      uint32_t *idx)
1114 {
1115         WERROR status;
1116         uint32_t i, id;
1117         const char *oid = NULL;
1118
1119         for(i=0; i < ARRAY_SIZE(name_mappings); i++) {
1120                 if (strcmp(name_mappings[i].name, name) != 0) continue;
1121
1122                 oid = name_mappings[i].oid;
1123                 break;
1124         }
1125
1126         if (!oid) {
1127                 return NULL;
1128         }
1129
1130         status = dsdb_map_oid2int(schema, oid, &id);
1131         if (!W_ERROR_IS_OK(status)) {
1132                 return NULL;
1133         }
1134
1135         for (i=0; i < obj->attribute_ctr.num_attributes; i++) {
1136                 if (obj->attribute_ctr.attributes[i].attid != id) continue;
1137
1138                 if (idx) *idx = i;
1139                 return &obj->attribute_ctr.attributes[i];
1140         }
1141
1142         return NULL;
1143 }
1144
1145 #define GET_STRING_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1146         struct drsuapi_DsReplicaAttribute *_a; \
1147         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1148         if (strict && !_a) { \
1149                 d_printf("%s: %s == NULL\n", __location__, attr); \
1150                 return WERR_INVALID_PARAM; \
1151         } \
1152         if (strict && _a->value_ctr.num_values != 1) { \
1153                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1154                         _a->value_ctr.num_values); \
1155                 return WERR_INVALID_PARAM; \
1156         } \
1157         if (_a && _a->value_ctr.num_values >= 1) { \
1158                 size_t _ret; \
1159                 if (!convert_string_talloc_convenience(mem_ctx, s->iconv_convenience, CH_UTF16, CH_UNIX, \
1160                                              _a->value_ctr.values[0].blob->data, \
1161                                              _a->value_ctr.values[0].blob->length, \
1162                                              (void **)discard_const(&(p)->elem), &_ret, false)) { \
1163                         DEBUG(0,("%s: invalid data!\n", attr)); \
1164                         dump_data(0, \
1165                                      _a->value_ctr.values[0].blob->data, \
1166                                      _a->value_ctr.values[0].blob->length); \
1167                         return WERR_FOOBAR; \
1168                 } \
1169         } else { \
1170                 (p)->elem = NULL; \
1171         } \
1172 } while (0)
1173
1174 #define GET_STRING_LIST_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1175         int get_string_list_counter;                                    \
1176         struct drsuapi_DsReplicaAttribute *_a; \
1177         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1178         if (strict && !_a) { \
1179                 d_printf("%s: %s == NULL\n", __location__, attr); \
1180                 return WERR_INVALID_PARAM; \
1181         } \
1182         (p)->elem = _a ? talloc_array(mem_ctx, const char *, _a->value_ctr.num_values + 1) : NULL; \
1183         for (get_string_list_counter=0;                                 \
1184              _a && get_string_list_counter < _a->value_ctr.num_values;  \
1185              get_string_list_counter++) {                               \
1186                 size_t _ret;                                            \
1187                 if (!convert_string_talloc_convenience(mem_ctx, s->iconv_convenience, CH_UTF16, CH_UNIX, \
1188                                              _a->value_ctr.values[get_string_list_counter].blob->data, \
1189                                              _a->value_ctr.values[get_string_list_counter].blob->length, \
1190                                                        (void **)discard_const(&(p)->elem[get_string_list_counter]), &_ret, false)) { \
1191                         DEBUG(0,("%s: invalid data!\n", attr)); \
1192                         dump_data(0, \
1193                                      _a->value_ctr.values[get_string_list_counter].blob->data, \
1194                                      _a->value_ctr.values[get_string_list_counter].blob->length); \
1195                         return WERR_FOOBAR; \
1196                 } \
1197                 (p)->elem[get_string_list_counter+1] = NULL;            \
1198         }                                                               \
1199         talloc_steal(mem_ctx, (p)->elem);                               \
1200 } while (0)
1201
1202 #define GET_DN_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1203         struct drsuapi_DsReplicaAttribute *_a; \
1204         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1205         if (strict && !_a) { \
1206                 d_printf("%s: %s == NULL\n", __location__, attr); \
1207                 return WERR_INVALID_PARAM; \
1208         } \
1209         if (strict && _a->value_ctr.num_values != 1) { \
1210                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1211                         _a->value_ctr.num_values); \
1212                 return WERR_INVALID_PARAM; \
1213         } \
1214         if (strict && !_a->value_ctr.values[0].blob) { \
1215                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1216                 return WERR_INVALID_PARAM; \
1217         } \
1218         if (_a && _a->value_ctr.num_values >= 1 \
1219             && _a->value_ctr.values[0].blob) { \
1220                 struct drsuapi_DsReplicaObjectIdentifier3 _id3; \
1221                 enum ndr_err_code _ndr_err; \
1222                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1223                                                       mem_ctx, s->iconv_convenience, &_id3,\
1224                                                       (ndr_pull_flags_fn_t)ndr_pull_drsuapi_DsReplicaObjectIdentifier3);\
1225                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1226                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1227                         return ntstatus_to_werror(_nt_status); \
1228                 } \
1229                 (p)->elem = _id3.dn; \
1230         } else { \
1231                 (p)->elem = NULL; \
1232         } \
1233 } while (0)
1234
1235 #define GET_BOOL_DS(s, r, attr, p, elem, strict) do { \
1236         struct drsuapi_DsReplicaAttribute *_a; \
1237         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1238         if (strict && !_a) { \
1239                 d_printf("%s: %s == NULL\n", __location__, attr); \
1240                 return WERR_INVALID_PARAM; \
1241         } \
1242         if (strict && _a->value_ctr.num_values != 1) { \
1243                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1244                          (unsigned int)_a->value_ctr.num_values);       \
1245                 return WERR_INVALID_PARAM; \
1246         } \
1247         if (strict && !_a->value_ctr.values[0].blob) { \
1248                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1249                 return WERR_INVALID_PARAM; \
1250         } \
1251         if (strict && _a->value_ctr.values[0].blob->length != 4) { \
1252                 d_printf("%s: %s length == %u\n", __location__, attr, \
1253                          (unsigned int)_a->value_ctr.values[0].blob->length); \
1254                 return WERR_INVALID_PARAM; \
1255         } \
1256         if (_a && _a->value_ctr.num_values >= 1 \
1257             && _a->value_ctr.values[0].blob \
1258             && _a->value_ctr.values[0].blob->length == 4) { \
1259                 (p)->elem = (IVAL(_a->value_ctr.values[0].blob->data,0)?true:false);\
1260         } else { \
1261                 (p)->elem = false; \
1262         } \
1263 } while (0)
1264
1265 #define GET_UINT32_DS(s, r, attr, p, elem) do { \
1266         struct drsuapi_DsReplicaAttribute *_a; \
1267         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1268         if (_a && _a->value_ctr.num_values >= 1 \
1269             && _a->value_ctr.values[0].blob \
1270             && _a->value_ctr.values[0].blob->length == 4) { \
1271                 (p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1272         } else { \
1273                 (p)->elem = 0; \
1274         } \
1275 } while (0)
1276
1277 #define GET_UINT32_PTR_DS(s, r, attr, p, elem) do { \
1278         struct drsuapi_DsReplicaAttribute *_a; \
1279         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1280         if (_a && _a->value_ctr.num_values >= 1 \
1281             && _a->value_ctr.values[0].blob \
1282             && _a->value_ctr.values[0].blob->length == 4) { \
1283                 (p)->elem = talloc(mem_ctx, uint32_t); \
1284                 if (!(p)->elem) { \
1285                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
1286                         return WERR_NOMEM; \
1287                 } \
1288                 *(p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1289         } else { \
1290                 (p)->elem = NULL; \
1291         } \
1292 } while (0)
1293
1294 #define GET_GUID_DS(s, r, attr, mem_ctx, p, elem) do { \
1295         struct drsuapi_DsReplicaAttribute *_a; \
1296         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1297         if (_a && _a->value_ctr.num_values >= 1 \
1298             && _a->value_ctr.values[0].blob \
1299             && _a->value_ctr.values[0].blob->length == 16) { \
1300                 enum ndr_err_code _ndr_err; \
1301                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1302                                                       mem_ctx, s->iconv_convenience, &(p)->elem, \
1303                                                       (ndr_pull_flags_fn_t)ndr_pull_GUID); \
1304                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1305                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1306                         return ntstatus_to_werror(_nt_status); \
1307                 } \
1308         } else { \
1309                 ZERO_STRUCT((p)->elem);\
1310         } \
1311 } while (0)
1312
1313 #define GET_BLOB_DS(s, r, attr, mem_ctx, p, elem) do { \
1314         struct drsuapi_DsReplicaAttribute *_a; \
1315         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1316         if (_a && _a->value_ctr.num_values >= 1 \
1317             && _a->value_ctr.values[0].blob) { \
1318                 (p)->elem = *_a->value_ctr.values[0].blob;\
1319                 talloc_steal(mem_ctx, (p)->elem.data); \
1320         } else { \
1321                 ZERO_STRUCT((p)->elem);\
1322         }\
1323 } while (0)
1324
1325 WERROR dsdb_attribute_from_drsuapi(struct ldb_context *ldb,
1326                                    struct dsdb_schema *schema,
1327                                    struct drsuapi_DsReplicaObject *r,
1328                                    TALLOC_CTX *mem_ctx,
1329                                    struct dsdb_attribute *attr)
1330 {
1331         WERROR status;
1332
1333         GET_STRING_DS(schema, r, "name", mem_ctx, attr, cn, true);
1334         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
1335         GET_UINT32_DS(schema, r, "attributeID", attr, attributeID_id);
1336         status = dsdb_map_int2oid(schema, attr->attributeID_id, mem_ctx, &attr->attributeID_oid);
1337         if (!W_ERROR_IS_OK(status)) {
1338                 DEBUG(0,("%s: '%s': unable to map attributeID 0x%08X: %s\n",
1339                         __location__, attr->lDAPDisplayName, attr->attributeID_id,
1340                         win_errstr(status)));
1341                 return status;
1342         }
1343         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, attr, schemaIDGUID);
1344         GET_UINT32_DS(schema, r, "mAPIID", attr, mAPIID);
1345
1346         GET_GUID_DS(schema, r, "attributeSecurityGUID", mem_ctx, attr, attributeSecurityGUID);
1347
1348         GET_UINT32_DS(schema, r, "searchFlags", attr, searchFlags);
1349         GET_UINT32_DS(schema, r, "systemFlags", attr, systemFlags);
1350         GET_BOOL_DS(schema, r, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
1351         GET_UINT32_DS(schema, r, "linkID", attr, linkID);
1352
1353         GET_UINT32_DS(schema, r, "attributeSyntax", attr, attributeSyntax_id);
1354         status = dsdb_map_int2oid(schema, attr->attributeSyntax_id, mem_ctx, &attr->attributeSyntax_oid);
1355         if (!W_ERROR_IS_OK(status)) {
1356                 DEBUG(0,("%s: '%s': unable to map attributeSyntax 0x%08X: %s\n",
1357                         __location__, attr->lDAPDisplayName, attr->attributeSyntax_id,
1358                         win_errstr(status)));
1359                 return status;
1360         }
1361         GET_UINT32_DS(schema, r, "oMSyntax", attr, oMSyntax);
1362         GET_BLOB_DS(schema, r, "oMObjectClass", mem_ctx, attr, oMObjectClass);
1363
1364         GET_BOOL_DS(schema, r, "isSingleValued", attr, isSingleValued, true);
1365         GET_UINT32_PTR_DS(schema, r, "rangeLower", attr, rangeLower);
1366         GET_UINT32_PTR_DS(schema, r, "rangeUpper", attr, rangeUpper);
1367         GET_BOOL_DS(schema, r, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
1368
1369         GET_UINT32_DS(schema, r, "schemaFlagsEx", attr, schemaFlagsEx);
1370         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
1371
1372         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
1373         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
1374         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, attr, adminDescription, false);
1375         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, attr, classDisplayName, false);
1376         GET_BOOL_DS(schema, r, "isEphemeral", attr, isEphemeral, false);
1377         GET_BOOL_DS(schema, r, "isDefunct", attr, isDefunct, false);
1378         GET_BOOL_DS(schema, r, "systemOnly", attr, systemOnly, false);
1379
1380         attr->syntax = dsdb_syntax_for_attribute(attr);
1381         if (!attr->syntax) {
1382                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1383         }
1384
1385         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
1386                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1387         }
1388
1389         return WERR_OK;
1390 }
1391
1392 WERROR dsdb_class_from_drsuapi(struct dsdb_schema *schema,
1393                                struct drsuapi_DsReplicaObject *r,
1394                                TALLOC_CTX *mem_ctx,
1395                                struct dsdb_class *obj)
1396 {
1397         WERROR status;
1398
1399         GET_STRING_DS(schema, r, "name", mem_ctx, obj, cn, true);
1400         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
1401         GET_UINT32_DS(schema, r, "governsID", obj, governsID_id);
1402         status = dsdb_map_int2oid(schema, obj->governsID_id, mem_ctx, &obj->governsID_oid);
1403         if (!W_ERROR_IS_OK(status)) {
1404                 DEBUG(0,("%s: '%s': unable to map governsID 0x%08X: %s\n",
1405                         __location__, obj->lDAPDisplayName, obj->governsID_id,
1406                         win_errstr(status)));
1407                 return status;
1408         }
1409         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, obj, schemaIDGUID);
1410
1411         GET_UINT32_DS(schema, r, "objectClassCategory", obj, objectClassCategory);
1412         GET_STRING_DS(schema, r, "rDNAttID", mem_ctx, obj, rDNAttID, false);
1413         GET_DN_DS(schema, r, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
1414
1415         GET_STRING_DS(schema, r, "subClassOf", mem_ctx, obj, subClassOf, true);
1416
1417
1418         GET_STRING_LIST_DS(schema, r, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass, false);
1419         GET_STRING_LIST_DS(schema, r, "auxiliaryClass", mem_ctx, obj, auxiliaryClass, false);
1420
1421         GET_STRING_LIST_DS(schema, r, "systemMustContain", mem_ctx, obj, systemMustContain, false);
1422         GET_STRING_LIST_DS(schema, r, "systemMayContain", mem_ctx, obj, systemMayContain, false);
1423         GET_STRING_LIST_DS(schema, r, "mustContain", mem_ctx, obj, mustContain, false);
1424         GET_STRING_LIST_DS(schema, r, "mayContain", mem_ctx, obj, mayContain, false);
1425
1426         GET_STRING_LIST_DS(schema, r, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors, false);
1427         GET_STRING_LIST_DS(schema, r, "possSuperiors", mem_ctx, obj, possSuperiors, false);
1428
1429         GET_STRING_DS(schema, r, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
1430
1431         GET_UINT32_DS(schema, r, "schemaFlagsEx", obj, schemaFlagsEx);
1432         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
1433
1434         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
1435         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
1436         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, obj, adminDescription, false);
1437         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, obj, classDisplayName, false);
1438         GET_BOOL_DS(schema, r, "defaultHidingValue", obj, defaultHidingValue, false);
1439         GET_BOOL_DS(schema, r, "isDefunct", obj, isDefunct, false);
1440         GET_BOOL_DS(schema, r, "systemOnly", obj, systemOnly, false);
1441
1442         return WERR_OK;
1443 }
1444