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(schema->prefixes);
 353         schema->prefixes = talloc_steal(schema, prefixes);
 354         schema->num_prefixes = num_prefixes;
 355
 356         DEBUG(2,(__location__ " Added prefixMap %s - now have %u prefixes\n",
 357                  full_oid, num_prefixes));
 358
 359         talloc_free(mem_ctx);
 360         return status;
 361 }
 362
 363 WERROR dsdb_prefix_map_update(TALLOC_CTX *mem_ctx, uint32_t *num_prefixes, struct dsdb_schema_oid_prefix **prefixes, const char *oid)
 364 {
 365         uint32_t new_num_prefixes, index_new_prefix, new_entry_id;
 366         const char* lastDotOffset;
 367         size_t size;
 368
 369         new_num_prefixes = *num_prefixes + 1;
 370         index_new_prefix = *num_prefixes;
 371
 372         /*
 373          * this is the algorithm we use to create new mappings for now
 374          *
 375          * TODO: find what algorithm windows use
 376          */
 377         new_entry_id = (*num_prefixes)<<16;
 378
 379         /* Extract the prefix from the oid*/
 380         lastDotOffset = strrchr(oid, '.');
 381         if (lastDotOffset == NULL) {
 382                 DEBUG(0,("dsdb_prefix_map_update: failed to find the last dot\n"));
 383                 return WERR_NOT_FOUND;
 384         }
 385
 386         /* Calculate the size of the remainig string that should be the prefix of it */
 387         size = strlen(oid) - strlen(lastDotOffset);
 388         if (size <= 0) {
 389                 DEBUG(0,("dsdb_prefix_map_update: size of the remaining string invalid\n"));
 390                 return WERR_FOOBAR;
 391         }
 392         /* Add one because we need to copy the dot */
 393         size += 1;
 394
 395         /* Create a spot in the prefixMap for one more prefix*/
 396         (*prefixes) = talloc_realloc(mem_ctx, *prefixes, struct dsdb_schema_oid_prefix, new_num_prefixes);
 397         W_ERROR_HAVE_NO_MEMORY(*prefixes);
 398
 399         /* Add the new prefix entry*/
 400         (*prefixes)[index_new_prefix].id = new_entry_id;
 401         (*prefixes)[index_new_prefix].oid = talloc_strndup(mem_ctx, oid, size);
 402         (*prefixes)[index_new_prefix].oid_len = strlen((*prefixes)[index_new_prefix].oid);
 403
 404         /* Increase num_prefixes because new prefix has been added */
 405         ++(*num_prefixes);
 406
 407         return WERR_OK;
 408 }
 409
 410 WERROR dsdb_find_prefix_for_oid(uint32_t num_prefixes, const struct dsdb_schema_oid_prefix *prefixes, const char *in, uint32_t *out)
 411 {
 412         uint32_t i;
 413
 414         for (i=0; i < num_prefixes; i++) {
 415                 const char *val_str;
 416                 char *end_str;
 417                 unsigned val;
 418
 419                 if (strncmp(prefixes[i].oid, in, prefixes[i].oid_len) != 0) {
 420                         continue;
 421                 }
 422
 423                 val_str = in + prefixes[i].oid_len;
 424                 end_str = NULL;
 425                 errno = 0;
 426
 427                 if (val_str[0] == '\0') {
 428                         return WERR_INVALID_PARAM;
 429                 }
 430
 431                 /* two '.' chars are invalid */
 432                 if (val_str[0] == '.') {
 433                         return WERR_INVALID_PARAM;
 434                 }
 435
 436                 val = strtoul(val_str, &end_str, 10);
 437                 if (end_str[0] == '.' && end_str[1] != '\0') {
 438                         /*
 439                          * if it's a '.' and not the last char
 440                          * then maybe an other mapping apply
 441                          */
 442                         continue;
 443                 } else if (end_str[0] != '\0') {
 444                         return WERR_INVALID_PARAM;
 445                 } else if (val > 0xFFFF) {
 446                         return WERR_INVALID_PARAM;
 447                 }
 448
 449                 *out = prefixes[i].id | val;
 450                 return WERR_OK;
 451         }
 452
 453         DEBUG(5,(__location__ " Failed to find oid %s - have %u prefixes\n", in, num_prefixes));
 454
 455         return WERR_DS_NO_MSDS_INTID;
 456 }
 457
 458 WERROR dsdb_write_prefixes_to_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 459                                   uint32_t num_prefixes,
 460                                   const struct dsdb_schema_oid_prefix *prefixes)
 461 {
 462         struct ldb_message msg;
 463         struct ldb_dn *schema_dn;
 464         struct ldb_message_element el;
 465         struct prefixMapBlob pm;
 466         struct ldb_val ndr_blob;
 467         enum ndr_err_code ndr_err;
 468         uint32_t i;
 469         int ret;
 470
 471         schema_dn = samdb_schema_dn(ldb);
 472         if (!schema_dn) {
 473                 DEBUG(0,("dsdb_write_prefixes_to_ldb: no schema dn present\n"));
 474                 return WERR_FOOBAR;
 475         }
 476
 477         pm.version                      = PREFIX_MAP_VERSION_DSDB;
 478         pm.ctr.dsdb.num_mappings        = num_prefixes;
 479         pm.ctr.dsdb.mappings            = talloc_array(mem_ctx,
 480                                                 struct drsuapi_DsReplicaOIDMapping,
 481                                                 pm.ctr.dsdb.num_mappings);
 482         if (!pm.ctr.dsdb.mappings) {
 483                 return WERR_NOMEM;
 484         }
 485
 486         for (i=0; i < num_prefixes; i++) {
 487                 pm.ctr.dsdb.mappings[i].id_prefix = prefixes[i].id>>16;
 488                 pm.ctr.dsdb.mappings[i].oid.oid = talloc_strdup(pm.ctr.dsdb.mappings, prefixes[i].oid);
 489         }
 490
 491         ndr_err = ndr_push_struct_blob(&ndr_blob, ldb,
 492                                        lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
 493                                        &pm,
 494                                        (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
 495         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 496                 return WERR_FOOBAR;
 497         }
 498
 499         el.num_values = 1;
 500         el.values = &ndr_blob;
 501         el.flags = LDB_FLAG_MOD_REPLACE;
 502         el.name = talloc_strdup(mem_ctx, "prefixMap");
 503
 504         msg.dn = ldb_dn_copy(mem_ctx, schema_dn);
 505         msg.num_elements = 1;
 506         msg.elements = &el;
 507
 508         ret = ldb_modify( ldb, &msg );
 509         if (ret != 0) {
 510                 DEBUG(0,("dsdb_write_prefixes_to_ldb: ldb_modify failed\n"));
 511                 return WERR_FOOBAR;
 512         }
 513
 514         return WERR_OK;
 515 }
 516
 517 WERROR dsdb_read_prefixes_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, uint32_t* num_prefixes, struct dsdb_schema_oid_prefix **prefixes)
 518 {
 519         struct prefixMapBlob *blob;
 520         enum ndr_err_code ndr_err;
 521         uint32_t i;
 522         const struct ldb_val *prefix_val;
 523         struct ldb_dn *schema_dn;
 524         struct ldb_result *schema_res;
 525         int ret;
 526         static const char *schema_attrs[] = {
 527                 "prefixMap",
 528                 NULL
 529         };
 530
 531         schema_dn = samdb_schema_dn(ldb);
 532         if (!schema_dn) {
 533                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no schema dn present\n"));
 534                 return WERR_FOOBAR;
 535         }
 536
 537         ret = ldb_search(ldb, mem_ctx, &schema_res, schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
 538         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
 539                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefix map present\n"));
 540                 talloc_free(schema_res);
 541                 return WERR_FOOBAR;
 542         } else if (ret != LDB_SUCCESS) {
 543                 DEBUG(0,("dsdb_read_prefixes_from_ldb: failed to search the schema head\n"));
 544                 talloc_free(schema_res);
 545                 return WERR_FOOBAR;
 546         }
 547
 548         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
 549         if (!prefix_val) {
 550                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefixMap attribute found\n"));
 551                 talloc_free(schema_res);
 552                 return WERR_FOOBAR;
 553         }
 554
 555         blob = talloc(mem_ctx, struct prefixMapBlob);
 556         W_ERROR_HAVE_NO_MEMORY(blob);
 557
 558         ndr_err = ndr_pull_struct_blob(prefix_val, blob,
 559                                            lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
 560                                            blob,
 561                                            (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
 562         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 563                 DEBUG(0,("dsdb_read_prefixes_from_ldb: ndr_pull_struct_blob failed\n"));
 564                 talloc_free(blob);
 565                 talloc_free(schema_res);
 566                 return WERR_FOOBAR;
 567         }
 568
 569         talloc_free(schema_res);
 570
 571         if (blob->version != PREFIX_MAP_VERSION_DSDB) {
 572                 DEBUG(0,("dsdb_read_prefixes_from_ldb: blob->version incorect\n"));
 573                 talloc_free(blob);
 574                 return WERR_FOOBAR;
 575         }
 576
 577         *num_prefixes = blob->ctr.dsdb.num_mappings;
 578         *prefixes = talloc_array(mem_ctx, struct dsdb_schema_oid_prefix, *num_prefixes);
 579         if(!(*prefixes)) {
 580                 talloc_free(blob);
 581                 return WERR_NOMEM;
 582         }
 583         for (i=0; i < blob->ctr.dsdb.num_mappings; i++) {
 584                 char *oid;
 585                 (*prefixes)[i].id = blob->ctr.dsdb.mappings[i].id_prefix<<16;
 586                 oid = talloc_strdup(mem_ctx, blob->ctr.dsdb.mappings[i].oid.oid);
 587                 (*prefixes)[i].oid = talloc_asprintf_append(oid, ".");
 588                 (*prefixes)[i].oid_len = strlen((*prefixes)[i].oid);
 589         }
 590
 591         talloc_free(blob);
 592         return WERR_OK;
 593 }
 594
 595 /*
 596   this will be replaced with something that looks at the right part of
 597   the schema once we know where unique indexing information is hidden
 598  */
 599 static bool dsdb_schema_unique_attribute(const char *attr)
 600 {
 601         const char *attrs[] = { "objectGUID", "objectSID" , NULL };
 602         int i;
 603         for (i=0;attrs[i];i++) {
 604                 if (strcasecmp(attr, attrs[i]) == 0) {
 605                         return true;
 606                 }
 607         }
 608         return false;
 609 }
 610
 611
 612 /*
 613   setup the ldb_schema_attribute field for a dsdb_attribute
 614  */
 615 static int dsdb_schema_setup_ldb_schema_attribute(struct ldb_context *ldb,
 616                                                   struct dsdb_attribute *attr)
 617 {
 618         const char *syntax = attr->syntax->ldb_syntax;
 619         const struct ldb_schema_syntax *s;
 620         struct ldb_schema_attribute *a;
 621
 622         if (!syntax) {
 623                 syntax = attr->syntax->ldap_oid;
 624         }
 625
 626         s = ldb_samba_syntax_by_lDAPDisplayName(ldb, attr->lDAPDisplayName);
 627         if (s == NULL) {
 628                 s = ldb_samba_syntax_by_name(ldb, syntax);
 629         }
 630         if (s == NULL) {
 631                 s = ldb_standard_syntax_by_name(ldb, syntax);
 632         }
 633
 634         if (s == NULL) {
 635                 return LDB_ERR_OPERATIONS_ERROR;
 636         }
 637
 638         attr->ldb_schema_attribute = a = talloc(attr, struct ldb_schema_attribute);
 639         if (attr->ldb_schema_attribute == NULL) {
 640                 ldb_oom(ldb);
 641                 return LDB_ERR_OPERATIONS_ERROR;
 642         }
 643
 644         a->name = attr->lDAPDisplayName;
 645         a->flags = 0;
 646         a->syntax = s;
 647
 648         if (dsdb_schema_unique_attribute(a->name)) {
 649                 a->flags |= LDB_ATTR_FLAG_UNIQUE_INDEX;
 650         }
 651
 652         return LDB_SUCCESS;
 653 }
 654
 655
 656
 657 #define GET_STRING_LDB(msg, attr, mem_ctx, p, elem, strict) do { \
 658         (p)->elem = samdb_result_string(msg, attr, NULL);\
 659         if (strict && (p)->elem == NULL) { \
 660                 d_printf("%s: %s == NULL\n", __location__, attr); \
 661                 return WERR_INVALID_PARAM; \
 662         } \
 663         talloc_steal(mem_ctx, (p)->elem); \
 664 } while (0)
 665
 666 #define GET_STRING_LIST_LDB(msg, attr, mem_ctx, p, elem, strict) do {   \
 667         int get_string_list_counter;                                    \
 668         struct ldb_message_element *get_string_list_el = ldb_msg_find_element(msg, attr); \
 669         if (get_string_list_el == NULL) {                               \
 670                 if (strict) {                                           \
 671                         d_printf("%s: %s == NULL\n", __location__, attr); \
 672                         return WERR_INVALID_PARAM;                      \
 673                 } else {                                                \
 674                         (p)->elem = NULL;                               \
 675                         break;                                          \
 676                 }                                                       \
 677         }                                                               \
 678         (p)->elem = talloc_array(mem_ctx, const char *, get_string_list_el->num_values + 1); \
 679         for (get_string_list_counter=0;                                 \
 680              get_string_list_counter < get_string_list_el->num_values;  \
 681              get_string_list_counter++) {                               \
 682                 (p)->elem[get_string_list_counter] = talloc_strndup((p)->elem, \
 683                                                                     (const char *)get_string_list_el->values[get_string_list_counter].data, \
 684                                                                     get_string_list_el->values[get_string_list_counter].length); \
 685                 if (!(p)->elem[get_string_list_counter]) {              \
 686                         d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
 687                         return WERR_NOMEM;                              \
 688                 }                                                       \
 689                 (p)->elem[get_string_list_counter+1] = NULL;            \
 690         }                                                               \
 691         talloc_steal(mem_ctx, (p)->elem);                               \
 692 } while (0)
 693
 694 #define GET_BOOL_LDB(msg, attr, p, elem, strict) do { \
 695         const char *str; \
 696         str = samdb_result_string(msg, attr, NULL);\
 697         if (str == NULL) { \
 698                 if (strict) { \
 699                         d_printf("%s: %s == NULL\n", __location__, attr); \
 700                         return WERR_INVALID_PARAM; \
 701                 } else { \
 702                         (p)->elem = false; \
 703                 } \
 704         } else if (strcasecmp("TRUE", str) == 0) { \
 705                 (p)->elem = true; \
 706         } else if (strcasecmp("FALSE", str) == 0) { \
 707                 (p)->elem = false; \
 708         } else { \
 709                 d_printf("%s: %s == %s\n", __location__, attr, str); \
 710                 return WERR_INVALID_PARAM; \
 711         } \
 712 } while (0)
 713
 714 #define GET_UINT32_LDB(msg, attr, p, elem) do { \
 715         (p)->elem = samdb_result_uint(msg, attr, 0);\
 716 } while (0)
 717
 718 #define GET_UINT32_PTR_LDB(msg, attr, p, elem) do { \
 719         uint64_t _v = samdb_result_uint64(msg, attr, UINT64_MAX);\
 720         if (_v == UINT64_MAX) { \
 721                 (p)->elem = NULL; \
 722         } else if (_v > UINT32_MAX) { \
 723                 d_printf("%s: %s == 0x%llX\n", __location__, \
 724                          attr, (unsigned long long)_v); \
 725                 return WERR_INVALID_PARAM; \
 726         } else { \
 727                 (p)->elem = talloc(mem_ctx, uint32_t); \
 728                 if (!(p)->elem) { \
 729                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
 730                         return WERR_NOMEM; \
 731                 } \
 732                 *(p)->elem = (uint32_t)_v; \
 733         } \
 734 } while (0)
 735
 736 #define GET_GUID_LDB(msg, attr, p, elem) do { \
 737         (p)->elem = samdb_result_guid(msg, attr);\
 738 } while (0)
 739
 740 #define GET_BLOB_LDB(msg, attr, mem_ctx, p, elem) do { \
 741         const struct ldb_val *_val;\
 742         _val = ldb_msg_find_ldb_val(msg, attr);\
 743         if (_val) {\
 744                 (p)->elem = *_val;\
 745                 talloc_steal(mem_ctx, (p)->elem.data);\
 746         } else {\
 747                 ZERO_STRUCT((p)->elem);\
 748         }\
 749 } while (0)
 750
 751 WERROR dsdb_attribute_from_ldb(struct ldb_context *ldb,
 752                                const struct dsdb_schema *schema,
 753                                struct ldb_message *msg,
 754                                TALLOC_CTX *mem_ctx,
 755                                struct dsdb_attribute *attr)
 756 {
 757         WERROR status;
 758
 759         GET_STRING_LDB(msg, "cn", mem_ctx, attr, cn, false);
 760         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
 761         GET_STRING_LDB(msg, "attributeID", mem_ctx, attr, attributeID_oid, true);
 762         if (schema->num_prefixes == 0) {
 763                 /* set an invalid value */
 764                 attr->attributeID_id = 0xFFFFFFFF;
 765         } else {
 766                 status = dsdb_map_oid2int(schema, attr->attributeID_oid, &attr->attributeID_id);
 767                 if (!W_ERROR_IS_OK(status)) {
 768                         DEBUG(0,("%s: '%s': unable to map attributeID %s: %s\n",
 769                                 __location__, attr->lDAPDisplayName, attr->attributeID_oid,
 770                                 win_errstr(status)));
 771                         return status;
 772                 }
 773         }
 774         GET_GUID_LDB(msg, "schemaIDGUID", attr, schemaIDGUID);
 775         GET_UINT32_LDB(msg, "mAPIID", attr, mAPIID);
 776
 777         GET_GUID_LDB(msg, "attributeSecurityGUID", attr, attributeSecurityGUID);
 778
 779         GET_UINT32_LDB(msg, "searchFlags", attr, searchFlags);
 780         GET_UINT32_LDB(msg, "systemFlags", attr, systemFlags);
 781         GET_BOOL_LDB(msg, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
 782         GET_UINT32_LDB(msg, "linkID", attr, linkID);
 783
 784         GET_STRING_LDB(msg, "attributeSyntax", mem_ctx, attr, attributeSyntax_oid, true);
 785         if (schema->num_prefixes == 0) {
 786                 /* set an invalid value */
 787                 attr->attributeSyntax_id = 0xFFFFFFFF;
 788         } else {
 789                 status = dsdb_map_oid2int(schema, attr->attributeSyntax_oid, &attr->attributeSyntax_id);
 790                 if (!W_ERROR_IS_OK(status)) {
 791                         DEBUG(0,("%s: '%s': unable to map attributeSyntax_ %s: %s\n",
 792                                 __location__, attr->lDAPDisplayName, attr->attributeSyntax_oid,
 793                                 win_errstr(status)));
 794                         return status;
 795                 }
 796         }
 797         GET_UINT32_LDB(msg, "oMSyntax", attr, oMSyntax);
 798         GET_BLOB_LDB(msg, "oMObjectClass", mem_ctx, attr, oMObjectClass);
 799
 800         GET_BOOL_LDB(msg, "isSingleValued", attr, isSingleValued, true);
 801         GET_UINT32_PTR_LDB(msg, "rangeLower", attr, rangeLower);
 802         GET_UINT32_PTR_LDB(msg, "rangeUpper", attr, rangeUpper);
 803         GET_BOOL_LDB(msg, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
 804
 805         GET_UINT32_LDB(msg, "schemaFlagsEx", attr, schemaFlagsEx);
 806         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
 807
 808         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
 809         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
 810         GET_STRING_LDB(msg, "adminDescription", mem_ctx, attr, adminDescription, false);
 811         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, attr, classDisplayName, false);
 812         GET_BOOL_LDB(msg, "isEphemeral", attr, isEphemeral, false);
 813         GET_BOOL_LDB(msg, "isDefunct", attr, isDefunct, false);
 814         GET_BOOL_LDB(msg, "systemOnly", attr, systemOnly, false);
 815
 816         attr->syntax = dsdb_syntax_for_attribute(attr);
 817         if (!attr->syntax) {
 818                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
 819         }
 820
 821         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
 822                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
 823         }
 824
 825         return WERR_OK;
 826 }
 827
 828 WERROR dsdb_class_from_ldb(const struct dsdb_schema *schema,
 829                            struct ldb_message *msg,
 830                            TALLOC_CTX *mem_ctx,
 831                            struct dsdb_class *obj)
 832 {
 833         WERROR status;
 834
 835         GET_STRING_LDB(msg, "cn", mem_ctx, obj, cn, false);
 836         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
 837         GET_STRING_LDB(msg, "governsID", mem_ctx, obj, governsID_oid, true);
 838         if (schema->num_prefixes == 0) {
 839                 /* set an invalid value */
 840                 obj->governsID_id = 0xFFFFFFFF;
 841         } else {
 842                 status = dsdb_map_oid2int(schema, obj->governsID_oid, &obj->governsID_id);
 843                 if (!W_ERROR_IS_OK(status)) {
 844                         DEBUG(0,("%s: '%s': unable to map governsID %s: %s\n",
 845                                 __location__, obj->lDAPDisplayName, obj->governsID_oid,
 846                                 win_errstr(status)));
 847                         return status;
 848                 }
 849         }
 850         GET_GUID_LDB(msg, "schemaIDGUID", obj, schemaIDGUID);
 851
 852         GET_UINT32_LDB(msg, "objectClassCategory", obj, objectClassCategory);
 853         GET_STRING_LDB(msg, "rDNAttID", mem_ctx, obj, rDNAttID, false);
 854         GET_STRING_LDB(msg, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
 855
 856         GET_STRING_LDB(msg, "subClassOf", mem_ctx, obj, subClassOf, true);
 857
 858         GET_STRING_LIST_LDB(msg, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass, false);
 859         GET_STRING_LIST_LDB(msg, "auxiliaryClass", mem_ctx, obj, auxiliaryClass, false);
 860
 861         GET_STRING_LIST_LDB(msg, "systemMustContain", mem_ctx, obj, systemMustContain, false);
 862         GET_STRING_LIST_LDB(msg, "systemMayContain", mem_ctx, obj, systemMayContain, false);
 863         GET_STRING_LIST_LDB(msg, "mustContain", mem_ctx, obj, mustContain, false);
 864         GET_STRING_LIST_LDB(msg, "mayContain", mem_ctx, obj, mayContain, false);
 865
 866         GET_STRING_LIST_LDB(msg, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors, false);
 867         GET_STRING_LIST_LDB(msg, "possSuperiors", mem_ctx, obj, possSuperiors, false);
 868
 869         GET_STRING_LDB(msg, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
 870
 871         GET_UINT32_LDB(msg, "schemaFlagsEx", obj, schemaFlagsEx);
 872         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
 873
 874         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
 875         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
 876         GET_STRING_LDB(msg, "adminDescription", mem_ctx, obj, adminDescription, false);
 877         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, obj, classDisplayName, false);
 878         GET_BOOL_LDB(msg, "defaultHidingValue", obj, defaultHidingValue, false);
 879         GET_BOOL_LDB(msg, "isDefunct", obj, isDefunct, false);
 880         GET_BOOL_LDB(msg, "systemOnly", obj, systemOnly, false);
 881
 882         return WERR_OK;
 883 }
 884
 885 #define dsdb_oom(error_string, mem_ctx) *error_string = talloc_asprintf(mem_ctx, "dsdb out of memory at %s:%d\n", __FILE__, __LINE__)
 886
 887 /*
 888  Create a DSDB schema from the ldb results provided.  This is called
 889  directly when the schema is provisioned from an on-disk LDIF file, or
 890  from dsdb_schema_from_schema_dn below
 891 */
 892
 893 int dsdb_schema_from_ldb_results(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 894                                  struct smb_iconv_convenience *iconv_convenience,
 895                                  struct ldb_result *schema_res,
 896                                  struct ldb_result *attrs_res, struct ldb_result *objectclass_res,
 897                                  struct dsdb_schema **schema_out,
 898                                  char **error_string)
 899 {
 900         WERROR status;
 901         uint32_t i;
 902         const struct ldb_val *prefix_val;
 903         const struct ldb_val *info_val;
 904         struct ldb_val info_val_default;
 905         struct dsdb_schema *schema;
 906
 907         schema = dsdb_new_schema(mem_ctx, iconv_convenience);
 908         if (!schema) {
 909                 dsdb_oom(error_string, mem_ctx);
 910                 return LDB_ERR_OPERATIONS_ERROR;
 911         }
 912
 913         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
 914         if (!prefix_val) {
 915                 *error_string = talloc_asprintf(mem_ctx,
 916                                                 "schema_fsmo_init: no prefixMap attribute found");
 917                 return LDB_ERR_CONSTRAINT_VIOLATION;
 918         }
 919         info_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "schemaInfo");
 920         if (!info_val) {
 921                 info_val_default = strhex_to_data_blob(mem_ctx, "FF0000000000000000000000000000000000000000");
 922                 if (!info_val_default.data) {
 923                         dsdb_oom(error_string, mem_ctx);
 924                         return LDB_ERR_OPERATIONS_ERROR;
 925                 }
 926                 info_val = &info_val_default;
 927         }
 928
 929         status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
 930         if (!W_ERROR_IS_OK(status)) {
 931                 *error_string = talloc_asprintf(mem_ctx,
 932                               "schema_fsmo_init: failed to load oid mappings: %s",
 933                               win_errstr(status));
 934                 return LDB_ERR_CONSTRAINT_VIOLATION;
 935         }
 936
 937         for (i=0; i < attrs_res->count; i++) {
 938                 struct dsdb_attribute *sa;
 939
 940                 sa = talloc_zero(schema, struct dsdb_attribute);
 941                 if (!sa) {
 942                         dsdb_oom(error_string, mem_ctx);
 943                         return LDB_ERR_OPERATIONS_ERROR;
 944                 }
 945
 946                 status = dsdb_attribute_from_ldb(ldb, schema, attrs_res->msgs[i], sa, sa);
 947                 if (!W_ERROR_IS_OK(status)) {
 948                         *error_string = talloc_asprintf(mem_ctx,
 949                                       "schema_fsmo_init: failed to load attribute definition: %s:%s",
 950                                       ldb_dn_get_linearized(attrs_res->msgs[i]->dn),
 951                                       win_errstr(status));
 952                         return LDB_ERR_CONSTRAINT_VIOLATION;
 953                 }
 954
 955                 DLIST_ADD_END(schema->attributes, sa, struct dsdb_attribute *);
 956         }
 957
 958         for (i=0; i < objectclass_res->count; i++) {
 959                 struct dsdb_class *sc;
 960
 961                 sc = talloc_zero(schema, struct dsdb_class);
 962                 if (!sc) {
 963                         dsdb_oom(error_string, mem_ctx);
 964                         return LDB_ERR_OPERATIONS_ERROR;
 965                 }
 966
 967                 status = dsdb_class_from_ldb(schema, objectclass_res->msgs[i], sc, sc);
 968                 if (!W_ERROR_IS_OK(status)) {
 969                         *error_string = talloc_asprintf(mem_ctx,
 970                                       "schema_fsmo_init: failed to load class definition: %s:%s",
 971                                       ldb_dn_get_linearized(objectclass_res->msgs[i]->dn),
 972                                       win_errstr(status));
 973                         return LDB_ERR_CONSTRAINT_VIOLATION;
 974                 }
 975
 976                 DLIST_ADD_END(schema->classes, sc, struct dsdb_class *);
 977         }
 978
 979         schema->fsmo.master_dn = ldb_msg_find_attr_as_dn(ldb, schema, schema_res->msgs[0], "fSMORoleOwner");
 980         if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), schema->fsmo.master_dn) == 0) {
 981                 schema->fsmo.we_are_master = true;
 982         } else {
 983                 schema->fsmo.we_are_master = false;
 984         }
 985
 986         DEBUG(5, ("schema_fsmo_init: we are master: %s\n",
 987                   (schema->fsmo.we_are_master?"yes":"no")));
 988
 989         *schema_out = schema;
 990         return LDB_SUCCESS;
 991 }
 992
 993 /*
 994   Given an LDB, and the DN, return a populated schema
 995 */
 996
 997 int dsdb_schema_from_schema_dn(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
 998                                struct smb_iconv_convenience *iconv_convenience,
 999                                struct ldb_dn *schema_dn,
1000                                struct dsdb_schema **schema,
1001                                char **error_string_out)
1002 {
1003         TALLOC_CTX *tmp_ctx;
1004         char *error_string;
1005         int ret;
1006
1007         struct ldb_result *schema_res;
1008         struct ldb_result *a_res;
1009         struct ldb_result *c_res;
1010         static const char *schema_attrs[] = {
1011                 "prefixMap",
1012                 "schemaInfo",
1013                 "fSMORoleOwner",
1014                 NULL
1015         };
1016
1017         tmp_ctx = talloc_new(mem_ctx);
1018         if (!tmp_ctx) {
1019                 dsdb_oom(error_string_out, mem_ctx);
1020                 return LDB_ERR_OPERATIONS_ERROR;
1021         }
1022
1023         /*
1024          * setup the prefix mappings and schema info
1025          */
1026         ret = ldb_search(ldb, tmp_ctx, &schema_res,
1027                          schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
1028         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
1029                 talloc_free(tmp_ctx);
1030                 return ret;
1031         } else if (ret != LDB_SUCCESS) {
1032                 *error_string_out = talloc_asprintf(mem_ctx,
1033                                        "dsdb_schema: failed to search the schema head: %s",
1034                                        ldb_errstring(ldb));
1035                 talloc_free(tmp_ctx);
1036                 return ret;
1037         }
1038         if (schema_res->count != 1) {
1039                 *error_string_out = talloc_asprintf(mem_ctx,
1040                               "dsdb_schema: [%u] schema heads found on a base search",
1041                               schema_res->count);
1042                 talloc_free(tmp_ctx);
1043                 return LDB_ERR_CONSTRAINT_VIOLATION;
1044         }
1045
1046         /*
1047          * load the attribute definitions
1048          */
1049         ret = ldb_search(ldb, tmp_ctx, &a_res,
1050                          schema_dn, LDB_SCOPE_ONELEVEL, NULL,
1051                          "(objectClass=attributeSchema)");
1052         if (ret != LDB_SUCCESS) {
1053                 *error_string_out = talloc_asprintf(mem_ctx,
1054                                        "dsdb_schema: failed to search attributeSchema objects: %s",
1055                                        ldb_errstring(ldb));
1056                 talloc_free(tmp_ctx);
1057                 return ret;
1058         }
1059
1060         /*
1061          * load the objectClass definitions
1062          */
1063         ret = ldb_search(ldb, tmp_ctx, &c_res,
1064                          schema_dn, LDB_SCOPE_ONELEVEL, NULL,
1065                          "(objectClass=classSchema)");
1066         if (ret != LDB_SUCCESS) {
1067                 *error_string_out = talloc_asprintf(mem_ctx,
1068                                        "dsdb_schema: failed to search attributeSchema objects: %s",
1069                                        ldb_errstring(ldb));
1070                 talloc_free(tmp_ctx);
1071                 return ret;
1072         }
1073
1074         ret = dsdb_schema_from_ldb_results(tmp_ctx, ldb,
1075                                            lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
1076                                            schema_res, a_res, c_res, schema, &error_string);
1077         if (ret != LDB_SUCCESS) {
1078                 *error_string_out = talloc_asprintf(mem_ctx,
1079                                                     "dsdb_schema load failed: %s",
1080                                                     error_string);
1081                 talloc_free(tmp_ctx);
1082                 return ret;
1083         }
1084         talloc_steal(mem_ctx, *schema);
1085         talloc_free(tmp_ctx);
1086
1087         return LDB_SUCCESS;
1088 }
1089
1090
1091 static const struct {
1092         const char *name;
1093         const char *oid;
1094 } name_mappings[] = {
1095         { "cn",                                 "2.5.4.3" },
1096         { "name",                               "1.2.840.113556.1.4.1" },
1097         { "lDAPDisplayName",                    "1.2.840.113556.1.2.460" },
1098         { "attributeID",                        "1.2.840.113556.1.2.30" },
1099         { "schemaIDGUID",                       "1.2.840.113556.1.4.148" },
1100         { "mAPIID",                             "1.2.840.113556.1.2.49" },
1101         { "attributeSecurityGUID",              "1.2.840.113556.1.4.149" },
1102         { "searchFlags",                        "1.2.840.113556.1.2.334" },
1103         { "systemFlags",                        "1.2.840.113556.1.4.375" },
1104         { "isMemberOfPartialAttributeSet",      "1.2.840.113556.1.4.639" },
1105         { "linkID",                             "1.2.840.113556.1.2.50" },
1106         { "attributeSyntax",                    "1.2.840.113556.1.2.32" },
1107         { "oMSyntax",                           "1.2.840.113556.1.2.231" },
1108         { "oMObjectClass",                      "1.2.840.113556.1.2.218" },
1109         { "isSingleValued",                     "1.2.840.113556.1.2.33" },
1110         { "rangeLower",                         "1.2.840.113556.1.2.34" },
1111         { "rangeUpper",                         "1.2.840.113556.1.2.35" },
1112         { "extendedCharsAllowed",               "1.2.840.113556.1.2.380" },
1113         { "schemaFlagsEx",                      "1.2.840.113556.1.4.120" },
1114         { "msDs-Schema-Extensions",             "1.2.840.113556.1.4.1440" },
1115         { "showInAdvancedViewOnly",             "1.2.840.113556.1.2.169" },
1116         { "adminDisplayName",                   "1.2.840.113556.1.2.194" },
1117         { "adminDescription",                   "1.2.840.113556.1.2.226" },
1118         { "classDisplayName",                   "1.2.840.113556.1.4.610" },
1119         { "isEphemeral",                        "1.2.840.113556.1.4.1212" },
1120         { "isDefunct",                          "1.2.840.113556.1.4.661" },
1121         { "systemOnly",                         "1.2.840.113556.1.4.170" },
1122         { "governsID",                          "1.2.840.113556.1.2.22" },
1123         { "objectClassCategory",                "1.2.840.113556.1.2.370" },
1124         { "rDNAttID",                           "1.2.840.113556.1.2.26" },
1125         { "defaultObjectCategory",              "1.2.840.113556.1.4.783" },
1126         { "subClassOf",                         "1.2.840.113556.1.2.21" },
1127         { "systemAuxiliaryClass",               "1.2.840.113556.1.4.198" },
1128         { "systemPossSuperiors",                "1.2.840.113556.1.4.195" },
1129         { "systemMustContain",                  "1.2.840.113556.1.4.197" },
1130         { "systemMayContain",                   "1.2.840.113556.1.4.196" },
1131         { "auxiliaryClass",                     "1.2.840.113556.1.2.351" },
1132         { "possSuperiors",                      "1.2.840.113556.1.2.8" },
1133         { "mustContain",                        "1.2.840.113556.1.2.24" },
1134         { "mayContain",                         "1.2.840.113556.1.2.25" },
1135         { "defaultSecurityDescriptor",          "1.2.840.113556.1.4.224" },
1136         { "defaultHidingValue",                 "1.2.840.113556.1.4.518" },
1137 };
1138
1139 static struct drsuapi_DsReplicaAttribute *dsdb_find_object_attr_name(struct dsdb_schema *schema,
1140                                                                      struct drsuapi_DsReplicaObject *obj,
1141                                                                      const char *name,
1142                                                                      uint32_t *idx)
1143 {
1144         WERROR status;
1145         uint32_t i, id;
1146         const char *oid = NULL;
1147
1148         for(i=0; i < ARRAY_SIZE(name_mappings); i++) {
1149                 if (strcmp(name_mappings[i].name, name) != 0) continue;
1150
1151                 oid = name_mappings[i].oid;
1152                 break;
1153         }
1154
1155         if (!oid) {
1156                 return NULL;
1157         }
1158
1159         status = dsdb_map_oid2int(schema, oid, &id);
1160         if (!W_ERROR_IS_OK(status)) {
1161                 return NULL;
1162         }
1163
1164         for (i=0; i < obj->attribute_ctr.num_attributes; i++) {
1165                 if (obj->attribute_ctr.attributes[i].attid != id) continue;
1166
1167                 if (idx) *idx = i;
1168                 return &obj->attribute_ctr.attributes[i];
1169         }
1170
1171         return NULL;
1172 }
1173
1174 #define GET_STRING_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1175         struct drsuapi_DsReplicaAttribute *_a; \
1176         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1177         if (strict && !_a) { \
1178                 d_printf("%s: %s == NULL\n", __location__, attr); \
1179                 return WERR_INVALID_PARAM; \
1180         } \
1181         if (strict && _a->value_ctr.num_values != 1) { \
1182                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1183                         _a->value_ctr.num_values); \
1184                 return WERR_INVALID_PARAM; \
1185         } \
1186         if (_a && _a->value_ctr.num_values >= 1) { \
1187                 size_t _ret; \
1188                 if (!convert_string_talloc_convenience(mem_ctx, s->iconv_convenience, CH_UTF16, CH_UNIX, \
1189                                              _a->value_ctr.values[0].blob->data, \
1190                                              _a->value_ctr.values[0].blob->length, \
1191                                              (void **)discard_const(&(p)->elem), &_ret, false)) { \
1192                         DEBUG(0,("%s: invalid data!\n", attr)); \
1193                         dump_data(0, \
1194                                      _a->value_ctr.values[0].blob->data, \
1195                                      _a->value_ctr.values[0].blob->length); \
1196                         return WERR_FOOBAR; \
1197                 } \
1198         } else { \
1199                 (p)->elem = NULL; \
1200         } \
1201 } while (0)
1202
1203 #define GET_UINT32_LIST_DS(s, r, attr, mem_ctx, p, elem) do { \
1204         int list_counter;                                       \
1205         struct drsuapi_DsReplicaAttribute *_a; \
1206         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1207         (p)->elem = _a ? talloc_array(mem_ctx, uint32_t, _a->value_ctr.num_values + 1) : NULL; \
1208         for (list_counter=0;                                    \
1209              _a && list_counter < _a->value_ctr.num_values;     \
1210              list_counter++) {                          \
1211                 if (_a->value_ctr.values[list_counter].blob->length != 4) { \
1212                         return WERR_INVALID_PARAM;                      \
1213                 }                                                       \
1214                 (p)->elem[list_counter] = IVAL(_a->value_ctr.values[list_counter].blob->data, 0); \
1215         }                                                               \
1216         if (_a) (p)->elem[list_counter] = 0;                            \
1217 } while (0)
1218
1219 #define GET_DN_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1220         struct drsuapi_DsReplicaAttribute *_a; \
1221         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1222         if (strict && !_a) { \
1223                 d_printf("%s: %s == NULL\n", __location__, attr); \
1224                 return WERR_INVALID_PARAM; \
1225         } \
1226         if (strict && _a->value_ctr.num_values != 1) { \
1227                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1228                         _a->value_ctr.num_values); \
1229                 return WERR_INVALID_PARAM; \
1230         } \
1231         if (strict && !_a->value_ctr.values[0].blob) { \
1232                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1233                 return WERR_INVALID_PARAM; \
1234         } \
1235         if (_a && _a->value_ctr.num_values >= 1 \
1236             && _a->value_ctr.values[0].blob) { \
1237                 struct drsuapi_DsReplicaObjectIdentifier3 _id3; \
1238                 enum ndr_err_code _ndr_err; \
1239                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1240                                                       mem_ctx, s->iconv_convenience, &_id3,\
1241                                                       (ndr_pull_flags_fn_t)ndr_pull_drsuapi_DsReplicaObjectIdentifier3);\
1242                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1243                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1244                         return ntstatus_to_werror(_nt_status); \
1245                 } \
1246                 (p)->elem = _id3.dn; \
1247         } else { \
1248                 (p)->elem = NULL; \
1249         } \
1250 } while (0)
1251
1252 #define GET_BOOL_DS(s, r, attr, p, elem, strict) do { \
1253         struct drsuapi_DsReplicaAttribute *_a; \
1254         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1255         if (strict && !_a) { \
1256                 d_printf("%s: %s == NULL\n", __location__, attr); \
1257                 return WERR_INVALID_PARAM; \
1258         } \
1259         if (strict && _a->value_ctr.num_values != 1) { \
1260                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1261                          (unsigned int)_a->value_ctr.num_values);       \
1262                 return WERR_INVALID_PARAM; \
1263         } \
1264         if (strict && !_a->value_ctr.values[0].blob) { \
1265                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1266                 return WERR_INVALID_PARAM; \
1267         } \
1268         if (strict && _a->value_ctr.values[0].blob->length != 4) { \
1269                 d_printf("%s: %s length == %u\n", __location__, attr, \
1270                          (unsigned int)_a->value_ctr.values[0].blob->length); \
1271                 return WERR_INVALID_PARAM; \
1272         } \
1273         if (_a && _a->value_ctr.num_values >= 1 \
1274             && _a->value_ctr.values[0].blob \
1275             && _a->value_ctr.values[0].blob->length == 4) { \
1276                 (p)->elem = (IVAL(_a->value_ctr.values[0].blob->data,0)?true:false);\
1277         } else { \
1278                 (p)->elem = false; \
1279         } \
1280 } while (0)
1281
1282 #define GET_UINT32_DS(s, r, attr, p, elem) do { \
1283         struct drsuapi_DsReplicaAttribute *_a; \
1284         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1285         if (_a && _a->value_ctr.num_values >= 1 \
1286             && _a->value_ctr.values[0].blob \
1287             && _a->value_ctr.values[0].blob->length == 4) { \
1288                 (p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1289         } else { \
1290                 (p)->elem = 0; \
1291         } \
1292 } while (0)
1293
1294 #define GET_UINT32_PTR_DS(s, r, attr, 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 == 4) { \
1300                 (p)->elem = talloc(mem_ctx, uint32_t); \
1301                 if (!(p)->elem) { \
1302                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
1303                         return WERR_NOMEM; \
1304                 } \
1305                 *(p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1306         } else { \
1307                 (p)->elem = NULL; \
1308         } \
1309 } while (0)
1310
1311 #define GET_GUID_DS(s, r, attr, mem_ctx, p, elem) do { \
1312         struct drsuapi_DsReplicaAttribute *_a; \
1313         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1314         if (_a && _a->value_ctr.num_values >= 1 \
1315             && _a->value_ctr.values[0].blob \
1316             && _a->value_ctr.values[0].blob->length == 16) { \
1317                 enum ndr_err_code _ndr_err; \
1318                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1319                                                       mem_ctx, s->iconv_convenience, &(p)->elem, \
1320                                                       (ndr_pull_flags_fn_t)ndr_pull_GUID); \
1321                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1322                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1323                         return ntstatus_to_werror(_nt_status); \
1324                 } \
1325         } else { \
1326                 ZERO_STRUCT((p)->elem);\
1327         } \
1328 } while (0)
1329
1330 #define GET_BLOB_DS(s, r, attr, mem_ctx, p, elem) do { \
1331         struct drsuapi_DsReplicaAttribute *_a; \
1332         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1333         if (_a && _a->value_ctr.num_values >= 1 \
1334             && _a->value_ctr.values[0].blob) { \
1335                 (p)->elem = *_a->value_ctr.values[0].blob;\
1336                 talloc_steal(mem_ctx, (p)->elem.data); \
1337         } else { \
1338                 ZERO_STRUCT((p)->elem);\
1339         }\
1340 } while (0)
1341
1342 WERROR dsdb_attribute_from_drsuapi(struct ldb_context *ldb,
1343                                    struct dsdb_schema *schema,
1344                                    struct drsuapi_DsReplicaObject *r,
1345                                    TALLOC_CTX *mem_ctx,
1346                                    struct dsdb_attribute *attr)
1347 {
1348         WERROR status;
1349
1350         GET_STRING_DS(schema, r, "name", mem_ctx, attr, cn, true);
1351         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
1352         GET_UINT32_DS(schema, r, "attributeID", attr, attributeID_id);
1353         status = dsdb_map_int2oid(schema, attr->attributeID_id, mem_ctx, &attr->attributeID_oid);
1354         if (!W_ERROR_IS_OK(status)) {
1355                 DEBUG(0,("%s: '%s': unable to map attributeID 0x%08X: %s\n",
1356                         __location__, attr->lDAPDisplayName, attr->attributeID_id,
1357                         win_errstr(status)));
1358                 return status;
1359         }
1360         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, attr, schemaIDGUID);
1361         GET_UINT32_DS(schema, r, "mAPIID", attr, mAPIID);
1362
1363         GET_GUID_DS(schema, r, "attributeSecurityGUID", mem_ctx, attr, attributeSecurityGUID);
1364
1365         GET_UINT32_DS(schema, r, "searchFlags", attr, searchFlags);
1366         GET_UINT32_DS(schema, r, "systemFlags", attr, systemFlags);
1367         GET_BOOL_DS(schema, r, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
1368         GET_UINT32_DS(schema, r, "linkID", attr, linkID);
1369
1370         GET_UINT32_DS(schema, r, "attributeSyntax", attr, attributeSyntax_id);
1371         status = dsdb_map_int2oid(schema, attr->attributeSyntax_id, mem_ctx, &attr->attributeSyntax_oid);
1372         if (!W_ERROR_IS_OK(status)) {
1373                 DEBUG(0,("%s: '%s': unable to map attributeSyntax 0x%08X: %s\n",
1374                         __location__, attr->lDAPDisplayName, attr->attributeSyntax_id,
1375                         win_errstr(status)));
1376                 return status;
1377         }
1378         GET_UINT32_DS(schema, r, "oMSyntax", attr, oMSyntax);
1379         GET_BLOB_DS(schema, r, "oMObjectClass", mem_ctx, attr, oMObjectClass);
1380
1381         GET_BOOL_DS(schema, r, "isSingleValued", attr, isSingleValued, true);
1382         GET_UINT32_PTR_DS(schema, r, "rangeLower", attr, rangeLower);
1383         GET_UINT32_PTR_DS(schema, r, "rangeUpper", attr, rangeUpper);
1384         GET_BOOL_DS(schema, r, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
1385
1386         GET_UINT32_DS(schema, r, "schemaFlagsEx", attr, schemaFlagsEx);
1387         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
1388
1389         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
1390         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
1391         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, attr, adminDescription, false);
1392         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, attr, classDisplayName, false);
1393         GET_BOOL_DS(schema, r, "isEphemeral", attr, isEphemeral, false);
1394         GET_BOOL_DS(schema, r, "isDefunct", attr, isDefunct, false);
1395         GET_BOOL_DS(schema, r, "systemOnly", attr, systemOnly, false);
1396
1397         attr->syntax = dsdb_syntax_for_attribute(attr);
1398         if (!attr->syntax) {
1399                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1400         }
1401
1402         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
1403                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1404         }
1405
1406         return WERR_OK;
1407 }
1408
1409 WERROR dsdb_class_from_drsuapi(struct dsdb_schema *schema,
1410                                struct drsuapi_DsReplicaObject *r,
1411                                TALLOC_CTX *mem_ctx,
1412                                struct dsdb_class *obj)
1413 {
1414         WERROR status;
1415
1416         GET_STRING_DS(schema, r, "name", mem_ctx, obj, cn, true);
1417         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
1418         GET_UINT32_DS(schema, r, "governsID", obj, governsID_id);
1419         status = dsdb_map_int2oid(schema, obj->governsID_id, mem_ctx, &obj->governsID_oid);
1420         if (!W_ERROR_IS_OK(status)) {
1421                 DEBUG(0,("%s: '%s': unable to map governsID 0x%08X: %s\n",
1422                         __location__, obj->lDAPDisplayName, obj->governsID_id,
1423                         win_errstr(status)));
1424                 return status;
1425         }
1426         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, obj, schemaIDGUID);
1427
1428         GET_UINT32_DS(schema, r, "objectClassCategory", obj, objectClassCategory);
1429         GET_STRING_DS(schema, r, "rDNAttID", mem_ctx, obj, rDNAttID, false);
1430         GET_DN_DS(schema, r, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
1431
1432         GET_UINT32_DS(schema, r, "subClassOf", obj, subClassOf_id);
1433
1434         GET_UINT32_LIST_DS(schema, r, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass_ids);
1435         GET_UINT32_LIST_DS(schema, r, "auxiliaryClass", mem_ctx, obj, auxiliaryClass_ids);
1436
1437         GET_UINT32_LIST_DS(schema, r, "systemMustContain", mem_ctx, obj, systemMustContain_ids);
1438         GET_UINT32_LIST_DS(schema, r, "systemMayContain", mem_ctx, obj, systemMayContain_ids);
1439         GET_UINT32_LIST_DS(schema, r, "mustContain", mem_ctx, obj, mustContain_ids);
1440         GET_UINT32_LIST_DS(schema, r, "mayContain", mem_ctx, obj, mayContain_ids);
1441
1442         GET_UINT32_LIST_DS(schema, r, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors_ids);
1443         GET_UINT32_LIST_DS(schema, r, "possSuperiors", mem_ctx, obj, possSuperiors_ids);
1444
1445         GET_STRING_DS(schema, r, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
1446
1447         GET_UINT32_DS(schema, r, "schemaFlagsEx", obj, schemaFlagsEx);
1448         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
1449
1450         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
1451         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
1452         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, obj, adminDescription, false);
1453         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, obj, classDisplayName, false);
1454         GET_BOOL_DS(schema, r, "defaultHidingValue", obj, defaultHidingValue, false);
1455         GET_BOOL_DS(schema, r, "isDefunct", obj, isDefunct, false);
1456         GET_BOOL_DS(schema, r, "systemOnly", obj, systemOnly, false);
1457
1458         return WERR_OK;
1459 }
1460