source4/rpc_server/drsuapi/dcesrv_drsuapi.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    endpoint server for the drsuapi pipe
   5
   6    Copyright (C) Stefan Metzmacher 2004
   7    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "includes.h"
  24 #include "librpc/gen_ndr/ndr_drsuapi.h"
  25 #include "rpc_server/dcerpc_server.h"
  26 #include "rpc_server/common/common.h"
  27 #include "dsdb/samdb/samdb.h"
  28 #include "dsdb/common/util.h"
  29 #include "libcli/security/security.h"
  30 #include "libcli/security/session.h"
  31 #include "rpc_server/drsuapi/dcesrv_drsuapi.h"
  32 #include "auth/auth.h"
  33 #include "param/param.h"
  34 #include "lib/messaging/irpc.h"
  35
  36 #define DRSUAPI_UNSUPPORTED(fname) do { \
  37         DEBUG(1,(__location__ ": Unsupported DRS call %s\n", #fname)); \
  38         if (DEBUGLVL(2)) NDR_PRINT_IN_DEBUG(fname, r); \
  39         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR); \
  40 } while (0)
  41
  42 /*
  43   drsuapi_DsBind
  44 */
  45 static WERROR dcesrv_drsuapi_DsBind(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
  46                        struct drsuapi_DsBind *r)
  47 {
  48         struct drsuapi_bind_state *b_state;
  49         struct dcesrv_handle *handle;
  50         struct drsuapi_DsBindInfoCtr *bind_info;
  51         struct GUID site_guid;
  52         struct ldb_result *site_res;
  53         struct ldb_dn *server_site_dn;
  54         static const char *site_attrs[] = { "objectGUID", NULL };
  55         struct ldb_result *ntds_res;
  56         struct ldb_dn *ntds_dn;
  57         static const char *ntds_attrs[] = { "ms-DS-ReplicationEpoch", NULL };
  58         uint32_t pid;
  59         uint32_t repl_epoch;
  60         int ret;
  61         struct auth_session_info *auth_info;
  62         WERROR werr;
  63         bool connected_as_system = false;
  64
  65         r->out.bind_info = NULL;
  66         ZERO_STRUCTP(r->out.bind_handle);
  67
  68         b_state = talloc_zero(mem_ctx, struct drsuapi_bind_state);
  69         W_ERROR_HAVE_NO_MEMORY(b_state);
  70
  71         /* if this is a DC connecting, give them system level access */
  72         werr = drs_security_level_check(dce_call, NULL, SECURITY_DOMAIN_CONTROLLER, NULL);
  73         if (W_ERROR_IS_OK(werr)) {
  74                 DEBUG(3,(__location__ ": doing DsBind with system_session\n"));
  75                 auth_info = system_session(dce_call->conn->dce_ctx->lp_ctx);
  76                 connected_as_system = true;
  77         } else {
  78                 auth_info = dce_call->conn->auth_state.session_info;
  79         }
  80
  81         /*
  82          * connect to the samdb
  83          */
  84         b_state->sam_ctx = samdb_connect(b_state, dce_call->event_ctx,
  85                                          dce_call->conn->dce_ctx->lp_ctx, auth_info, 0);
  86         if (!b_state->sam_ctx) {
  87                 return WERR_FOOBAR;
  88         }
  89
  90         if (connected_as_system) {
  91                 b_state->sam_ctx_system = b_state->sam_ctx;
  92         } else {
  93                 /* an RODC also needs system samdb access for secret
  94                    attribute replication */
  95                 werr = drs_security_level_check(dce_call, NULL, SECURITY_RO_DOMAIN_CONTROLLER,
  96                                                 samdb_domain_sid(b_state->sam_ctx));
  97                 if (W_ERROR_IS_OK(werr)) {
  98                         b_state->sam_ctx_system = samdb_connect(b_state, dce_call->event_ctx,
  99                                                                 dce_call->conn->dce_ctx->lp_ctx,
 100                                                                 system_session(dce_call->conn->dce_ctx->lp_ctx), 0);
 101                         if (!b_state->sam_ctx_system) {
 102                                 return WERR_FOOBAR;
 103                         }
 104                 }
 105         }
 106
 107         /*
 108          * find out the guid of our own site
 109          */
 110         server_site_dn = samdb_server_site_dn(b_state->sam_ctx, mem_ctx);
 111         W_ERROR_HAVE_NO_MEMORY(server_site_dn);
 112
 113         ret = ldb_search(b_state->sam_ctx, mem_ctx, &site_res,
 114                                  server_site_dn, LDB_SCOPE_BASE, site_attrs,
 115                                  "(objectClass=*)");
 116         if (ret != LDB_SUCCESS) {
 117                 return WERR_DS_DRA_INTERNAL_ERROR;
 118         }
 119         if (site_res->count != 1) {
 120                 return WERR_DS_DRA_INTERNAL_ERROR;
 121         }
 122         site_guid = samdb_result_guid(site_res->msgs[0], "objectGUID");
 123
 124         /*
 125          * lookup the local servers Replication Epoch
 126          */
 127         ntds_dn = samdb_ntds_settings_dn(b_state->sam_ctx);
 128         W_ERROR_HAVE_NO_MEMORY(ntds_dn);
 129
 130         ret = ldb_search(b_state->sam_ctx, mem_ctx, &ntds_res,
 131                                  ntds_dn, LDB_SCOPE_BASE, ntds_attrs,
 132                                  "(objectClass=*)");
 133         if (ret != LDB_SUCCESS) {
 134                 return WERR_DS_DRA_INTERNAL_ERROR;
 135         }
 136         if (ntds_res->count != 1) {
 137                 return WERR_DS_DRA_INTERNAL_ERROR;
 138         }
 139         repl_epoch = ldb_msg_find_attr_as_uint(ntds_res->msgs[0],
 140                                                "ms-DS-ReplicationEpoch", 0);
 141
 142         /*
 143          * The "process identifier" of the client.
 144          * According to the WSPP docs, sectin 5.35, this is
 145          * for informational and debugging purposes only.
 146          * The assignment is implementation specific.
 147          */
 148         pid = 0;
 149
 150         /*
 151          * store the clients bind_guid
 152          */
 153         if (r->in.bind_guid) {
 154                 b_state->remote_bind_guid = *r->in.bind_guid;
 155         }
 156
 157         /*
 158          * store the clients bind_info
 159          */
 160         if (r->in.bind_info) {
 161                 switch (r->in.bind_info->length) {
 162                 case 24: {
 163                         struct drsuapi_DsBindInfo24 *info24;
 164                         info24 = &r->in.bind_info->info.info24;
 165                         b_state->remote_info28.supported_extensions     = info24->supported_extensions;
 166                         b_state->remote_info28.site_guid                = info24->site_guid;
 167                         b_state->remote_info28.pid                      = info24->pid;
 168                         b_state->remote_info28.repl_epoch               = 0;
 169                         break;
 170                 }
 171                 case 28:
 172                         b_state->remote_info28 = r->in.bind_info->info.info28;
 173                         break;
 174                 }
 175         }
 176
 177         /*
 178          * fill in our local bind info 28
 179          */
 180         b_state->local_info28.supported_extensions      = 0;
 181         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_BASE;
 182         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
 183         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI;
 184         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2;
 185 #if 0 /* we don't support MSZIP compression (only decompression) */
 186         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS;
 187 #endif
 188         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1;
 189         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION;
 190         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE;
 191         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2;
 192         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION;
 193         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2;
 194         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD;
 195         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND;
 196         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO;
 197         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION;
 198         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01;
 199         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP;
 200         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY;
 201         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3;
 202         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V5;
 203         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2;
 204         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6;
 205         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS;
 206         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8;
 207         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5;
 208         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6;
 209         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
 210         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7;
 211         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT;
 212 #if 0 /* we don't support XPRESS compression yet */
 213         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_XPRESS_COMPRESS;
 214 #endif
 215         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V10;
 216         b_state->local_info28.site_guid                 = site_guid;
 217         b_state->local_info28.pid                       = pid;
 218         b_state->local_info28.repl_epoch                = repl_epoch;
 219
 220         /*
 221          * allocate the return bind_info
 222          */
 223         bind_info = talloc(mem_ctx, struct drsuapi_DsBindInfoCtr);
 224         W_ERROR_HAVE_NO_MEMORY(bind_info);
 225
 226         bind_info->length       = 28;
 227         bind_info->info.info28  = b_state->local_info28;
 228
 229         /*
 230          * allocate a bind handle
 231          */
 232         handle = dcesrv_handle_new(dce_call->context, DRSUAPI_BIND_HANDLE);
 233         W_ERROR_HAVE_NO_MEMORY(handle);
 234         handle->data = talloc_steal(handle, b_state);
 235
 236         /*
 237          * prepare reply
 238          */
 239         r->out.bind_info = bind_info;
 240         *r->out.bind_handle = handle->wire_handle;
 241
 242         return WERR_OK;
 243 }
 244
 245
 246 /*
 247   drsuapi_DsUnbind
 248 */
 249 static WERROR dcesrv_drsuapi_DsUnbind(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 250                                struct drsuapi_DsUnbind *r)
 251 {
 252         struct dcesrv_handle *h;
 253
 254         *r->out.bind_handle = *r->in.bind_handle;
 255
 256         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 257
 258         talloc_free(h);
 259
 260         ZERO_STRUCTP(r->out.bind_handle);
 261
 262         return WERR_OK;
 263 }
 264
 265
 266 /*
 267   drsuapi_DsReplicaSync
 268 */
 269 static WERROR dcesrv_drsuapi_DsReplicaSync(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 270                                            struct drsuapi_DsReplicaSync *r)
 271 {
 272         WERROR status;
 273         uint32_t timeout;
 274
 275         status = drs_security_level_check(dce_call, "DsReplicaSync", SECURITY_DOMAIN_CONTROLLER, NULL);
 276         if (!W_ERROR_IS_OK(status)) {
 277                 return status;
 278         }
 279
 280         if (r->in.level != 1) {
 281                 DEBUG(0,("DsReplicaSync called with unsupported level %d\n", r->in.level));
 282                 return WERR_DS_DRA_INVALID_PARAMETER;
 283         }
 284
 285         if (r->in.req->req1.options & DRSUAPI_DRS_ASYNC_OP) {
 286                 timeout = IRPC_CALL_TIMEOUT;
 287         } else {
 288                 /*
 289                  * use Infinite time for timeout in case
 290                  * the caller made a sync call
 291                  */
 292                 timeout = IRPC_CALL_TIMEOUT_INF;
 293         }
 294
 295         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx,
 296                                      r, NDR_DRSUAPI_DSREPLICASYNC,
 297                                      &ndr_table_drsuapi,
 298                                      "dreplsrv", "DsReplicaSync",
 299                                      timeout);
 300
 301         return WERR_OK;
 302 }
 303
 304
 305 /*
 306   drsuapi_DsReplicaAdd
 307 */
 308 static WERROR dcesrv_drsuapi_DsReplicaAdd(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 309                                           struct drsuapi_DsReplicaAdd *r)
 310 {
 311         WERROR status;
 312
 313         status = drs_security_level_check(dce_call, "DsReplicaAdd", SECURITY_DOMAIN_CONTROLLER, NULL);
 314         if (!W_ERROR_IS_OK(status)) {
 315                 return status;
 316         }
 317
 318         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx,
 319                                      r, NDR_DRSUAPI_DSREPLICAADD,
 320                                      &ndr_table_drsuapi,
 321                                      "dreplsrv", "DsReplicaAdd",
 322                                      IRPC_CALL_TIMEOUT);
 323
 324         return WERR_OK;
 325 }
 326
 327
 328 /*
 329   drsuapi_DsReplicaDel
 330 */
 331 static WERROR dcesrv_drsuapi_DsReplicaDel(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 332                                           struct drsuapi_DsReplicaDel *r)
 333 {
 334         WERROR status;
 335
 336         status = drs_security_level_check(dce_call, "DsReplicaDel", SECURITY_DOMAIN_CONTROLLER, NULL);
 337         if (!W_ERROR_IS_OK(status)) {
 338                 return status;
 339         }
 340
 341         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx,
 342                                      r, NDR_DRSUAPI_DSREPLICADEL,
 343                                      &ndr_table_drsuapi,
 344                                      "dreplsrv", "DsReplicaDel",
 345                                      IRPC_CALL_TIMEOUT);
 346
 347         return WERR_OK;
 348 }
 349
 350
 351 /*
 352   drsuapi_DsReplicaModify
 353 */
 354 static WERROR dcesrv_drsuapi_DsReplicaMod(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 355                                           struct drsuapi_DsReplicaMod *r)
 356 {
 357         WERROR status;
 358
 359         status = drs_security_level_check(dce_call, "DsReplicaMod", SECURITY_DOMAIN_CONTROLLER, NULL);
 360         if (!W_ERROR_IS_OK(status)) {
 361                 return status;
 362         }
 363
 364         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx,
 365                                      r, NDR_DRSUAPI_DSREPLICAMOD,
 366                                      &ndr_table_drsuapi,
 367                                      "dreplsrv", "DsReplicaMod",
 368                                      IRPC_CALL_TIMEOUT);
 369
 370         return WERR_OK;
 371 }
 372
 373
 374 /*
 375   DRSUAPI_VERIFY_NAMES
 376 */
 377 static WERROR dcesrv_DRSUAPI_VERIFY_NAMES(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 378                        struct DRSUAPI_VERIFY_NAMES *r)
 379 {
 380         DRSUAPI_UNSUPPORTED(DRSUAPI_VERIFY_NAMES);
 381 }
 382
 383
 384 /*
 385   drsuapi_DsGetMemberships
 386 */
 387 static WERROR dcesrv_drsuapi_DsGetMemberships(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 388                        struct drsuapi_DsGetMemberships *r)
 389 {
 390         DRSUAPI_UNSUPPORTED(drsuapi_DsGetMemberships);
 391 }
 392
 393
 394 /*
 395   DRSUAPI_INTER_DOMAIN_MOVE
 396 */
 397 static WERROR dcesrv_DRSUAPI_INTER_DOMAIN_MOVE(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 398                        struct DRSUAPI_INTER_DOMAIN_MOVE *r)
 399 {
 400         DRSUAPI_UNSUPPORTED(DRSUAPI_INTER_DOMAIN_MOVE);
 401 }
 402
 403
 404 /*
 405   drsuapi_DsGetNT4ChangeLog
 406 */
 407 static WERROR dcesrv_drsuapi_DsGetNT4ChangeLog(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 408                        struct drsuapi_DsGetNT4ChangeLog *r)
 409 {
 410         DRSUAPI_UNSUPPORTED(drsuapi_DsGetNT4ChangeLog);
 411 }
 412
 413 /*
 414   drsuapi_DsCrackNames
 415 */
 416 static WERROR dcesrv_drsuapi_DsCrackNames(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 417                             struct drsuapi_DsCrackNames *r)
 418 {
 419         struct drsuapi_bind_state *b_state;
 420         struct dcesrv_handle *h;
 421
 422         *r->out.level_out = r->in.level;
 423
 424         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 425         b_state = h->data;
 426
 427         r->out.ctr = talloc_zero(mem_ctx, union drsuapi_DsNameCtr);
 428         W_ERROR_HAVE_NO_MEMORY(r->out.ctr);
 429
 430         switch (r->in.level) {
 431                 case 1: {
 432                         switch(r->in.req->req1.format_offered){
 433                         case DRSUAPI_DS_NAME_FORMAT_UPN_AND_ALTSECID:
 434                         case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT_NAME_SANS_DOMAIN_EX:
 435                         case DRSUAPI_DS_NAME_FORMAT_LIST_GLOBAL_CATALOG_SERVERS:
 436                         case DRSUAPI_DS_NAME_FORMAT_UPN_FOR_LOGON:
 437                         case DRSUAPI_DS_NAME_FORMAT_LIST_SERVERS_WITH_DCS_IN_SITE:
 438                         case DRSUAPI_DS_NAME_FORMAT_STRING_SID_NAME:
 439                         case DRSUAPI_DS_NAME_FORMAT_ALT_SECURITY_IDENTITIES_NAME:
 440                         case DRSUAPI_DS_NAME_FORMAT_LIST_NCS:
 441                         case DRSUAPI_DS_NAME_FORMAT_LIST_DOMAINS:
 442                         case DRSUAPI_DS_NAME_FORMAT_MAP_SCHEMA_GUID:
 443                         case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT_NAME_SANS_DOMAIN:
 444                         case DRSUAPI_DS_NAME_FORMAT_LIST_INFO_FOR_SERVER:
 445                         case DRSUAPI_DS_NAME_FORMAT_LIST_SERVERS_FOR_DOMAIN_IN_SITE:
 446                         case DRSUAPI_DS_NAME_FORMAT_LIST_DOMAINS_IN_SITE:
 447                         case DRSUAPI_DS_NAME_FORMAT_LIST_SERVERS_IN_SITE:
 448                         case DRSUAPI_DS_NAME_FORMAT_LIST_SITES:
 449                                 DEBUG(0, ("DsCrackNames: Unsupported operation requested: %X",
 450                                           r->in.req->req1.format_offered));
 451                                 return WERR_OK;
 452                         case DRSUAPI_DS_NAME_FORMAT_LIST_ROLES:
 453                                 return dcesrv_drsuapi_ListRoles(b_state->sam_ctx, mem_ctx,
 454                                                                 &r->in.req->req1, &r->out.ctr->ctr1);
 455                         default:/* format_offered is in the enum drsuapi_DsNameFormat*/
 456                                 return dcesrv_drsuapi_CrackNamesByNameFormat(b_state->sam_ctx, mem_ctx,
 457                                                                              &r->in.req->req1, &r->out.ctr->ctr1);
 458                         }
 459                 }
 460         }
 461         return WERR_UNKNOWN_LEVEL;
 462 }
 463
 464
 465 /*
 466   drsuapi_DsRemoveDSServer
 467 */
 468 static WERROR dcesrv_drsuapi_DsRemoveDSServer(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 469                                        struct drsuapi_DsRemoveDSServer *r)
 470 {
 471         struct drsuapi_bind_state *b_state;
 472         struct dcesrv_handle *h;
 473         struct ldb_dn *ntds_dn;
 474         int ret;
 475         bool ok;
 476         WERROR status;
 477
 478         *r->out.level_out = 1;
 479
 480         status = drs_security_level_check(dce_call, "DsRemoveDSServer", SECURITY_DOMAIN_CONTROLLER, NULL);
 481         if (!W_ERROR_IS_OK(status)) {
 482                 return status;
 483         }
 484
 485         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 486         b_state = h->data;
 487
 488         switch (r->in.level) {
 489         case 1:
 490                 ntds_dn = ldb_dn_new(mem_ctx, b_state->sam_ctx, r->in.req->req1.server_dn);
 491                 W_ERROR_HAVE_NO_MEMORY(ntds_dn);
 492
 493                 ok = ldb_dn_validate(ntds_dn);
 494                 if (!ok) {
 495                         return WERR_FOOBAR;
 496                 }
 497
 498                 /* TODO: it's likely that we need more checks here */
 499
 500                 ok = ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings");
 501                 if (!ok) {
 502                         return WERR_FOOBAR;
 503                 }
 504
 505                 if (r->in.req->req1.commit) {
 506                         ret = dsdb_delete(b_state->sam_ctx, ntds_dn, DSDB_TREE_DELETE);
 507                         if (ret != LDB_SUCCESS) {
 508                                 return WERR_FOOBAR;
 509                         }
 510                 }
 511
 512                 return WERR_OK;
 513         default:
 514                 break;
 515         }
 516
 517         return WERR_FOOBAR;
 518 }
 519
 520
 521 /*
 522   DRSUAPI_REMOVE_DS_DOMAIN
 523 */
 524 static WERROR dcesrv_DRSUAPI_REMOVE_DS_DOMAIN(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 525                        struct DRSUAPI_REMOVE_DS_DOMAIN *r)
 526 {
 527         DRSUAPI_UNSUPPORTED(DRSUAPI_REMOVE_DS_DOMAIN);
 528 }
 529
 530 /* Obtain the site name from a server DN */
 531 static const char *result_site_name(struct ldb_dn *server_dn)
 532 {
 533         /* Format is cn=<NETBIOS name>,cn=Servers,cn=<site>,cn=sites.... */
 534         const struct ldb_val *val = ldb_dn_get_component_val(server_dn, 2);
 535         const char *name = ldb_dn_get_component_name(server_dn, 2);
 536
 537         if (!name || (ldb_attr_cmp(name, "cn") != 0)) {
 538                 /* Ensure this matches the format.  This gives us a
 539                  * bit more confidence that a 'cn' value will be a
 540                  * ascii string */
 541                 return NULL;
 542         }
 543         if (val) {
 544                 return (char *)val->data;
 545         }
 546         return NULL;
 547 }
 548
 549 /*
 550   drsuapi_DsGetDomainControllerInfo
 551 */
 552 static WERROR dcesrv_drsuapi_DsGetDomainControllerInfo_1(struct drsuapi_bind_state *b_state,
 553                                                 TALLOC_CTX *mem_ctx,
 554                                                 struct drsuapi_DsGetDomainControllerInfo *r)
 555 {
 556         struct ldb_dn *sites_dn;
 557         struct ldb_result *res;
 558
 559         const char *attrs_account_1[] = { "cn", "dnsHostName", NULL };
 560         const char *attrs_account_2[] = { "cn", "dnsHostName", "objectGUID", NULL };
 561
 562         const char *attrs_none[] = { NULL };
 563
 564         const char *attrs_site[] = { "objectGUID", NULL };
 565
 566         const char *attrs_ntds[] = { "options", "objectGUID", NULL };
 567
 568         const char *attrs_1[] = { "serverReference", "cn", "dnsHostName", NULL };
 569         const char *attrs_2[] = { "serverReference", "cn", "dnsHostName", "objectGUID", NULL };
 570         const char **attrs;
 571
 572         struct drsuapi_DsGetDCInfoCtr1 *ctr1;
 573         struct drsuapi_DsGetDCInfoCtr2 *ctr2;
 574
 575         int ret;
 576         unsigned int i;
 577
 578         *r->out.level_out = r->in.req->req1.level;
 579         r->out.ctr = talloc(mem_ctx, union drsuapi_DsGetDCInfoCtr);
 580         W_ERROR_HAVE_NO_MEMORY(r->out.ctr);
 581
 582         sites_dn = samdb_sites_dn(b_state->sam_ctx, mem_ctx);
 583         if (!sites_dn) {
 584                 return WERR_DS_OBJ_NOT_FOUND;
 585         }
 586
 587         switch (*r->out.level_out) {
 588         case -1:
 589                 /* this level is not like the others */
 590                 return WERR_UNKNOWN_LEVEL;
 591         case 1:
 592                 attrs = attrs_1;
 593                 break;
 594         case 2:
 595                 attrs = attrs_2;
 596                 break;
 597         default:
 598                 return WERR_UNKNOWN_LEVEL;
 599         }
 600
 601         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res, sites_dn, LDB_SCOPE_SUBTREE, attrs,
 602                                  "objectClass=server");
 603
 604         if (ret) {
 605                 DEBUG(1, ("searching for servers in sites DN %s failed: %s\n",
 606                           ldb_dn_get_linearized(sites_dn), ldb_errstring(b_state->sam_ctx)));
 607                 return WERR_GENERAL_FAILURE;
 608         }
 609
 610         switch (*r->out.level_out) {
 611         case 1:
 612                 ctr1 = &r->out.ctr->ctr1;
 613                 ctr1->count = res->count;
 614                 ctr1->array = talloc_zero_array(mem_ctx,
 615                                                 struct drsuapi_DsGetDCInfo1,
 616                                                 res->count);
 617                 for (i=0; i < res->count; i++) {
 618                         struct ldb_dn *domain_dn;
 619                         struct ldb_result *res_domain;
 620                         struct ldb_result *res_account;
 621                         struct ldb_dn *ntds_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 622
 623                         struct ldb_dn *ref_dn
 624                                 = ldb_msg_find_attr_as_dn(b_state->sam_ctx,
 625                                                           mem_ctx, res->msgs[i],
 626                                                           "serverReference");
 627
 628                         if (!ntds_dn || !ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings")) {
 629                                 return WERR_NOMEM;
 630                         }
 631
 632                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_account, ref_dn,
 633                                                  LDB_SCOPE_BASE, attrs_account_1, "objectClass=computer");
 634                         if (ret == LDB_SUCCESS && res_account->count == 1) {
 635                                 const char *errstr;
 636                                 ctr1->array[i].dns_name
 637                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "dNSHostName", NULL);
 638                                 ctr1->array[i].netbios_name
 639                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "cn", NULL);
 640                                 ctr1->array[i].computer_dn
 641                                         = ldb_dn_get_linearized(res_account->msgs[0]->dn);
 642
 643                                 /* Determine if this is the PDC */
 644                                 ret = samdb_search_for_parent_domain(b_state->sam_ctx,
 645                                                                      mem_ctx, res_account->msgs[0]->dn,
 646                                                                      &domain_dn, &errstr);
 647
 648                                 if (ret == LDB_SUCCESS) {
 649                                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_domain, domain_dn,
 650                                                                  LDB_SCOPE_BASE, attrs_none, "fSMORoleOwner=%s",
 651                                                                  ldb_dn_get_linearized(ntds_dn));
 652                                         if (ret) {
 653                                                 return WERR_GENERAL_FAILURE;
 654                                         }
 655                                         if (res_domain->count == 1) {
 656                                                 ctr1->array[i].is_pdc = true;
 657                                         }
 658                                 }
 659                         }
 660                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 661                                 DEBUG(5, ("warning: searching for computer DN %s failed: %s\n",
 662                                           ldb_dn_get_linearized(ref_dn), ldb_errstring(b_state->sam_ctx)));
 663                         }
 664
 665                         /* Look at server DN and extract site component */
 666                         ctr1->array[i].site_name = result_site_name(res->msgs[i]->dn);
 667                         ctr1->array[i].server_dn = ldb_dn_get_linearized(res->msgs[i]->dn);
 668
 669
 670                         ctr1->array[i].is_enabled = true;
 671
 672                 }
 673                 break;
 674         case 2:
 675                 ctr2 = &r->out.ctr->ctr2;
 676                 ctr2->count = res->count;
 677                 ctr2->array = talloc_zero_array(mem_ctx,
 678                                                  struct drsuapi_DsGetDCInfo2,
 679                                                  res->count);
 680                 for (i=0; i < res->count; i++) {
 681                         struct ldb_dn *domain_dn;
 682                         struct ldb_result *res_domain;
 683                         struct ldb_result *res_account;
 684                         struct ldb_dn *ntds_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 685                         struct ldb_result *res_ntds;
 686                         struct ldb_dn *site_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 687                         struct ldb_result *res_site;
 688                         struct ldb_dn *ref_dn
 689                                 = ldb_msg_find_attr_as_dn(b_state->sam_ctx,
 690                                                           mem_ctx, res->msgs[i],
 691                                                           "serverReference");
 692
 693                         if (!ntds_dn || !ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings")) {
 694                                 return WERR_NOMEM;
 695                         }
 696
 697                         /* Format is cn=<NETBIOS name>,cn=Servers,cn=<site>,cn=sites.... */
 698                         if (!site_dn || !ldb_dn_remove_child_components(site_dn, 2)) {
 699                                 return WERR_NOMEM;
 700                         }
 701
 702                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_ntds, ntds_dn,
 703                                                  LDB_SCOPE_BASE, attrs_ntds, "objectClass=nTDSDSA");
 704                         if (ret == LDB_SUCCESS && res_ntds->count == 1) {
 705                                 ctr2->array[i].is_gc
 706                                         = (ldb_msg_find_attr_as_uint(res_ntds->msgs[0], "options", 0) & DS_NTDSDSA_OPT_IS_GC);
 707                                 ctr2->array[i].ntds_guid
 708                                         = samdb_result_guid(res_ntds->msgs[0], "objectGUID");
 709                                 ctr2->array[i].ntds_dn = ldb_dn_get_linearized(res_ntds->msgs[0]->dn);
 710                         }
 711                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 712                                 DEBUG(5, ("warning: searching for NTDS DN %s failed: %s\n",
 713                                           ldb_dn_get_linearized(ntds_dn), ldb_errstring(b_state->sam_ctx)));
 714                         }
 715
 716                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_site, site_dn,
 717                                                  LDB_SCOPE_BASE, attrs_site, "objectClass=site");
 718                         if (ret == LDB_SUCCESS && res_site->count == 1) {
 719                                 ctr2->array[i].site_guid
 720                                         = samdb_result_guid(res_site->msgs[0], "objectGUID");
 721                                 ctr2->array[i].site_dn = ldb_dn_get_linearized(res_site->msgs[0]->dn);
 722                         }
 723                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 724                                 DEBUG(5, ("warning: searching for site DN %s failed: %s\n",
 725                                           ldb_dn_get_linearized(site_dn), ldb_errstring(b_state->sam_ctx)));
 726                         }
 727
 728                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_account, ref_dn,
 729                                                  LDB_SCOPE_BASE, attrs_account_2, "objectClass=computer");
 730                         if (ret == LDB_SUCCESS && res_account->count == 1) {
 731                                 const char *errstr;
 732                                 ctr2->array[i].dns_name
 733                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "dNSHostName", NULL);
 734                                 ctr2->array[i].netbios_name
 735                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "cn", NULL);
 736                                 ctr2->array[i].computer_dn = ldb_dn_get_linearized(res_account->msgs[0]->dn);
 737                                 ctr2->array[i].computer_guid
 738                                         = samdb_result_guid(res_account->msgs[0], "objectGUID");
 739
 740                                 /* Determine if this is the PDC */
 741                                 ret = samdb_search_for_parent_domain(b_state->sam_ctx,
 742                                                                      mem_ctx, res_account->msgs[0]->dn,
 743                                                                      &domain_dn, &errstr);
 744
 745                                 if (ret == LDB_SUCCESS) {
 746                                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_domain, domain_dn,
 747                                                                  LDB_SCOPE_BASE, attrs_none, "fSMORoleOwner=%s",
 748                                                                  ldb_dn_get_linearized(ntds_dn));
 749                                         if (ret == LDB_SUCCESS && res_domain->count == 1) {
 750                                                 ctr2->array[i].is_pdc = true;
 751                                         }
 752                                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 753                                                 DEBUG(5, ("warning: searching for domain DN %s failed: %s\n",
 754                                                           ldb_dn_get_linearized(domain_dn), ldb_errstring(b_state->sam_ctx)));
 755                                         }
 756                                 }
 757                         }
 758                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 759                                 DEBUG(5, ("warning: searching for computer account DN %s failed: %s\n",
 760                                           ldb_dn_get_linearized(ref_dn), ldb_errstring(b_state->sam_ctx)));
 761                         }
 762
 763                         /* Look at server DN and extract site component */
 764                         ctr2->array[i].site_name = result_site_name(res->msgs[i]->dn);
 765                         ctr2->array[i].server_dn = ldb_dn_get_linearized(res->msgs[i]->dn);
 766                         ctr2->array[i].server_guid
 767                                 = samdb_result_guid(res->msgs[i], "objectGUID");
 768
 769                         ctr2->array[i].is_enabled = true;
 770
 771                 }
 772                 break;
 773         }
 774         return WERR_OK;
 775 }
 776
 777 /*
 778   drsuapi_DsGetDomainControllerInfo
 779 */
 780 static WERROR dcesrv_drsuapi_DsGetDomainControllerInfo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 781                                                 struct drsuapi_DsGetDomainControllerInfo *r)
 782 {
 783         struct dcesrv_handle *h;
 784         struct drsuapi_bind_state *b_state;
 785         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 786         b_state = h->data;
 787
 788         switch (r->in.level) {
 789         case 1:
 790                 return dcesrv_drsuapi_DsGetDomainControllerInfo_1(b_state, mem_ctx, r);
 791         }
 792
 793         return WERR_UNKNOWN_LEVEL;
 794 }
 795
 796
 797
 798 /*
 799   drsuapi_DsExecuteKCC
 800 */
 801 static WERROR dcesrv_drsuapi_DsExecuteKCC(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 802                                   struct drsuapi_DsExecuteKCC *r)
 803 {
 804         WERROR status;
 805         status = drs_security_level_check(dce_call, "DsExecuteKCC", SECURITY_DOMAIN_CONTROLLER, NULL);
 806
 807         if (!W_ERROR_IS_OK(status)) {
 808                 return status;
 809         }
 810
 811         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx, r, NDR_DRSUAPI_DSEXECUTEKCC,
 812                                      &ndr_table_drsuapi, "kccsrv", "DsExecuteKCC",
 813                                      IRPC_CALL_TIMEOUT);
 814         return WERR_OK;
 815 }
 816
 817
 818 /*
 819   drsuapi_DsReplicaGetInfo
 820 */
 821 static WERROR dcesrv_drsuapi_DsReplicaGetInfo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 822                        struct drsuapi_DsReplicaGetInfo *r)
 823 {
 824         enum security_user_level level;
 825
 826         if (!lpcfg_parm_bool(dce_call->conn->dce_ctx->lp_ctx, NULL,
 827                          "drs", "disable_sec_check", false)) {
 828                 level = security_session_user_level(dce_call->conn->auth_state.session_info, NULL);
 829                 if (level < SECURITY_DOMAIN_CONTROLLER) {
 830                         DEBUG(1,(__location__ ": Administrator access required for DsReplicaGetInfo\n"));
 831                         security_token_debug(0, 2, dce_call->conn->auth_state.session_info->security_token);
 832                         return WERR_DS_DRA_ACCESS_DENIED;
 833                 }
 834         }
 835
 836         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx, r, NDR_DRSUAPI_DSREPLICAGETINFO,
 837                                      &ndr_table_drsuapi, "kccsrv", "DsReplicaGetInfo",
 838                                      IRPC_CALL_TIMEOUT);
 839
 840         return WERR_OK;
 841 }
 842
 843
 844 /*
 845   DRSUAPI_ADD_SID_HISTORY
 846 */
 847 static WERROR dcesrv_DRSUAPI_ADD_SID_HISTORY(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 848                        struct DRSUAPI_ADD_SID_HISTORY *r)
 849 {
 850         DRSUAPI_UNSUPPORTED(DRSUAPI_ADD_SID_HISTORY);
 851 }
 852
 853 /*
 854   drsuapi_DsGetMemberships2
 855 */
 856 static WERROR dcesrv_drsuapi_DsGetMemberships2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 857                        struct drsuapi_DsGetMemberships2 *r)
 858 {
 859         DRSUAPI_UNSUPPORTED(drsuapi_DsGetMemberships2);
 860 }
 861
 862 /*
 863   DRSUAPI_REPLICA_VERIFY_OBJECTS
 864 */
 865 static WERROR dcesrv_DRSUAPI_REPLICA_VERIFY_OBJECTS(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 866                        struct DRSUAPI_REPLICA_VERIFY_OBJECTS *r)
 867 {
 868         DRSUAPI_UNSUPPORTED(DRSUAPI_REPLICA_VERIFY_OBJECTS);
 869 }
 870
 871
 872 /*
 873   DRSUAPI_GET_OBJECT_EXISTENCE
 874 */
 875 static WERROR dcesrv_DRSUAPI_GET_OBJECT_EXISTENCE(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 876                        struct DRSUAPI_GET_OBJECT_EXISTENCE *r)
 877 {
 878         DRSUAPI_UNSUPPORTED(DRSUAPI_GET_OBJECT_EXISTENCE);
 879 }
 880
 881
 882 /*
 883   drsuapi_QuerySitesByCost
 884 */
 885 static WERROR dcesrv_drsuapi_QuerySitesByCost(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 886                        struct drsuapi_QuerySitesByCost *r)
 887 {
 888         DRSUAPI_UNSUPPORTED(drsuapi_QuerySitesByCost);
 889 }
 890
 891
 892 /* include the generated boilerplate */
 893 #include "librpc/gen_ndr/ndr_drsuapi_s.c"