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 "rpc_server/drsuapi/dcesrv_drsuapi.h"
  29 #include "libcli/security/security.h"
  30 #include "auth/auth.h"
  31 #include "param/param.h"
  32
  33 #define DRSUAPI_UNSUPPORTED(fname) do { \
  34         DEBUG(1,(__location__ ": Unsupported DRS call %s\n", #fname)); \
  35         if (DEBUGLVL(2)) NDR_PRINT_IN_DEBUG(fname, r); \
  36         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR); \
  37 } while (0)
  38
  39 /*
  40   drsuapi_DsBind
  41 */
  42 static WERROR dcesrv_drsuapi_DsBind(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
  43                        struct drsuapi_DsBind *r)
  44 {
  45         struct drsuapi_bind_state *b_state;
  46         struct dcesrv_handle *handle;
  47         struct drsuapi_DsBindInfoCtr *bind_info;
  48         struct GUID site_guid;
  49         struct ldb_result *site_res;
  50         struct ldb_dn *server_site_dn;
  51         static const char *site_attrs[] = { "objectGUID", NULL };
  52         struct ldb_result *ntds_res;
  53         struct ldb_dn *ntds_dn;
  54         static const char *ntds_attrs[] = { "ms-DS-ReplicationEpoch", NULL };
  55         uint32_t pid;
  56         uint32_t repl_epoch;
  57         int ret;
  58         struct auth_session_info *auth_info;
  59         WERROR werr;
  60
  61         r->out.bind_info = NULL;
  62         ZERO_STRUCTP(r->out.bind_handle);
  63
  64         b_state = talloc_zero(mem_ctx, struct drsuapi_bind_state);
  65         W_ERROR_HAVE_NO_MEMORY(b_state);
  66
  67         /* if this is a DC connecting, give them system level access */
  68         werr = drs_security_level_check(dce_call, NULL, SECURITY_DOMAIN_CONTROLLER);
  69         if (W_ERROR_IS_OK(werr)) {
  70                 DEBUG(3,(__location__ ": doing DsBind with system_session\n"));
  71                 auth_info = system_session(dce_call->conn->dce_ctx->lp_ctx);
  72         } else {
  73                 auth_info = dce_call->conn->auth_state.session_info;
  74         }
  75
  76         /*
  77          * connect to the samdb
  78          */
  79         b_state->sam_ctx = samdb_connect(b_state, dce_call->event_ctx,
  80                                          dce_call->conn->dce_ctx->lp_ctx, auth_info);
  81         if (!b_state->sam_ctx) {
  82                 return WERR_FOOBAR;
  83         }
  84
  85         /*
  86          * find out the guid of our own site
  87          */
  88         server_site_dn = samdb_server_site_dn(b_state->sam_ctx, mem_ctx);
  89         W_ERROR_HAVE_NO_MEMORY(server_site_dn);
  90
  91         ret = ldb_search(b_state->sam_ctx, mem_ctx, &site_res,
  92                                  server_site_dn, LDB_SCOPE_BASE, site_attrs,
  93                                  "(objectClass=*)");
  94         if (ret != LDB_SUCCESS) {
  95                 return WERR_DS_DRA_INTERNAL_ERROR;
  96         }
  97         if (site_res->count != 1) {
  98                 return WERR_DS_DRA_INTERNAL_ERROR;
  99         }
 100         site_guid = samdb_result_guid(site_res->msgs[0], "objectGUID");
 101
 102         /*
 103          * lookup the local servers Replication Epoch
 104          */
 105         ntds_dn = samdb_ntds_settings_dn(b_state->sam_ctx);
 106         W_ERROR_HAVE_NO_MEMORY(ntds_dn);
 107
 108         ret = ldb_search(b_state->sam_ctx, mem_ctx, &ntds_res,
 109                                  ntds_dn, LDB_SCOPE_BASE, ntds_attrs,
 110                                  "(objectClass=*)");
 111         if (ret != LDB_SUCCESS) {
 112                 return WERR_DS_DRA_INTERNAL_ERROR;
 113         }
 114         if (ntds_res->count != 1) {
 115                 return WERR_DS_DRA_INTERNAL_ERROR;
 116         }
 117         repl_epoch = samdb_result_uint(ntds_res->msgs[0], "ms-DS-ReplicationEpoch", 0);
 118
 119         /*
 120          * The "process identifier" of the client.
 121          * According to the WSPP docs, sectin 5.35, this is
 122          * for informational and debugging purposes only.
 123          * The assignment is implementation specific.
 124          */
 125         pid = 0;
 126
 127         /*
 128          * store the clients bind_guid
 129          */
 130         if (r->in.bind_guid) {
 131                 b_state->remote_bind_guid = *r->in.bind_guid;
 132         }
 133
 134         /*
 135          * store the clients bind_info
 136          */
 137         if (r->in.bind_info) {
 138                 switch (r->in.bind_info->length) {
 139                 case 24: {
 140                         struct drsuapi_DsBindInfo24 *info24;
 141                         info24 = &r->in.bind_info->info.info24;
 142                         b_state->remote_info28.supported_extensions     = info24->supported_extensions;
 143                         b_state->remote_info28.site_guid                = info24->site_guid;
 144                         b_state->remote_info28.pid                      = info24->pid;
 145                         b_state->remote_info28.repl_epoch               = 0;
 146                         break;
 147                 }
 148                 case 28:
 149                         b_state->remote_info28 = r->in.bind_info->info.info28;
 150                         break;
 151                 }
 152         }
 153
 154         /*
 155          * fill in our local bind info 28
 156          */
 157         b_state->local_info28.supported_extensions      = 0;
 158         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_BASE;
 159         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
 160         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI;
 161         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2;
 162 #if 0 /* we don't support MSZIP compression (only decompression) */
 163         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS;
 164 #endif
 165         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1;
 166         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION;
 167         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE;
 168         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2;
 169         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION;
 170         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2;
 171         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD;
 172         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND;
 173         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO;
 174         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION;
 175         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01;
 176         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP;
 177         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY;
 178         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3;
 179         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V5;
 180         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2;
 181         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6;
 182         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS;
 183         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8;
 184         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5;
 185         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6;
 186         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
 187         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7;
 188         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT;
 189 #if 0 /* we don't support XPRESS compression yet */
 190         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_XPRESS_COMPRESS;
 191 #endif
 192         b_state->local_info28.site_guid                 = site_guid;
 193         b_state->local_info28.pid                       = pid;
 194         b_state->local_info28.repl_epoch                = repl_epoch;
 195
 196         /*
 197          * allocate the return bind_info
 198          */
 199         bind_info = talloc(mem_ctx, struct drsuapi_DsBindInfoCtr);
 200         W_ERROR_HAVE_NO_MEMORY(bind_info);
 201
 202         bind_info->length       = 28;
 203         bind_info->info.info28  = b_state->local_info28;
 204
 205         /*
 206          * allocate a bind handle
 207          */
 208         handle = dcesrv_handle_new(dce_call->context, DRSUAPI_BIND_HANDLE);
 209         W_ERROR_HAVE_NO_MEMORY(handle);
 210         handle->data = talloc_steal(handle, b_state);
 211
 212         /*
 213          * prepare reply
 214          */
 215         r->out.bind_info = bind_info;
 216         *r->out.bind_handle = handle->wire_handle;
 217
 218         return WERR_OK;
 219 }
 220
 221
 222 /*
 223   drsuapi_DsUnbind
 224 */
 225 static WERROR dcesrv_drsuapi_DsUnbind(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 226                                struct drsuapi_DsUnbind *r)
 227 {
 228         struct dcesrv_handle *h;
 229
 230         *r->out.bind_handle = *r->in.bind_handle;
 231
 232         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 233
 234         talloc_free(h);
 235
 236         ZERO_STRUCTP(r->out.bind_handle);
 237
 238         return WERR_OK;
 239 }
 240
 241
 242 /*
 243   drsuapi_DsReplicaSync
 244 */
 245 static WERROR dcesrv_drsuapi_DsReplicaSync(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 246                                            struct drsuapi_DsReplicaSync *r)
 247 {
 248         WERROR status;
 249
 250         status = drs_security_level_check(dce_call, "DsReplicaSync", SECURITY_DOMAIN_CONTROLLER);
 251         if (!W_ERROR_IS_OK(status)) {
 252                 return status;
 253         }
 254
 255         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx, r, NDR_DRSUAPI_DSREPLICASYNC,
 256                                      &ndr_table_drsuapi,
 257                                      "dreplsrv", "DsReplicaSync");
 258
 259         return WERR_OK;
 260 }
 261
 262
 263 /*
 264   drsuapi_DsReplicaAdd
 265 */
 266 static WERROR dcesrv_drsuapi_DsReplicaAdd(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 267                                           struct drsuapi_DsReplicaAdd *r)
 268 {
 269         DRSUAPI_UNSUPPORTED(drsuapi_DsReplicaAdd);
 270 }
 271
 272
 273 /*
 274   drsuapi_DsReplicaDel
 275 */
 276 static WERROR dcesrv_drsuapi_DsReplicaDel(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 277                                           struct drsuapi_DsReplicaDel *r)
 278 {
 279         DRSUAPI_UNSUPPORTED(drsuapi_DsReplicaDel);
 280 }
 281
 282
 283 /*
 284   drsuapi_DsReplicaModify
 285 */
 286 static WERROR dcesrv_drsuapi_DsReplicaMod(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 287                                           struct drsuapi_DsReplicaMod *r)
 288 {
 289         DRSUAPI_UNSUPPORTED(drsuapi_DsReplicaMod);
 290 }
 291
 292
 293 /*
 294   DRSUAPI_VERIFY_NAMES
 295 */
 296 static WERROR dcesrv_DRSUAPI_VERIFY_NAMES(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 297                        struct DRSUAPI_VERIFY_NAMES *r)
 298 {
 299         DRSUAPI_UNSUPPORTED(DRSUAPI_VERIFY_NAMES);
 300 }
 301
 302
 303 /*
 304   drsuapi_DsGetMemberships
 305 */
 306 static WERROR dcesrv_drsuapi_DsGetMemberships(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 307                        struct drsuapi_DsGetMemberships *r)
 308 {
 309         DRSUAPI_UNSUPPORTED(drsuapi_DsGetMemberships);
 310 }
 311
 312
 313 /*
 314   DRSUAPI_INTER_DOMAIN_MOVE
 315 */
 316 static WERROR dcesrv_DRSUAPI_INTER_DOMAIN_MOVE(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 317                        struct DRSUAPI_INTER_DOMAIN_MOVE *r)
 318 {
 319         DRSUAPI_UNSUPPORTED(DRSUAPI_INTER_DOMAIN_MOVE);
 320 }
 321
 322
 323 /*
 324   drsuapi_DsGetNT4ChangeLog
 325 */
 326 static WERROR dcesrv_drsuapi_DsGetNT4ChangeLog(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 327                        struct drsuapi_DsGetNT4ChangeLog *r)
 328 {
 329         DRSUAPI_UNSUPPORTED(drsuapi_DsGetNT4ChangeLog);
 330 }
 331
 332
 333 /*
 334   drsuapi_DsCrackNames
 335 */
 336 static WERROR dcesrv_drsuapi_DsCrackNames(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 337                             struct drsuapi_DsCrackNames *r)
 338 {
 339         WERROR status;
 340         struct drsuapi_bind_state *b_state;
 341         struct dcesrv_handle *h;
 342
 343         *r->out.level_out = r->in.level;
 344
 345         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 346         b_state = h->data;
 347
 348         r->out.ctr = talloc_zero(mem_ctx, union drsuapi_DsNameCtr);
 349         W_ERROR_HAVE_NO_MEMORY(r->out.ctr);
 350
 351         switch (r->in.level) {
 352                 case 1: {
 353                         struct drsuapi_DsNameCtr1 *ctr1;
 354                         struct drsuapi_DsNameInfo1 *names;
 355                         int count;
 356                         int i;
 357
 358                         ctr1 = talloc(mem_ctx, struct drsuapi_DsNameCtr1);
 359                         W_ERROR_HAVE_NO_MEMORY(ctr1);
 360
 361                         count = r->in.req->req1.count;
 362                         names = talloc_array(mem_ctx, struct drsuapi_DsNameInfo1, count);
 363                         W_ERROR_HAVE_NO_MEMORY(names);
 364
 365                         for (i=0; i < count; i++) {
 366                                 status = DsCrackNameOneName(b_state->sam_ctx, mem_ctx,
 367                                                             r->in.req->req1.format_flags,
 368                                                             r->in.req->req1.format_offered,
 369                                                             r->in.req->req1.format_desired,
 370                                                             r->in.req->req1.names[i].str,
 371                                                             &names[i]);
 372                                 if (!W_ERROR_IS_OK(status)) {
 373                                         return status;
 374                                 }
 375                         }
 376
 377                         ctr1->count = count;
 378                         ctr1->array = names;
 379                         r->out.ctr->ctr1 = ctr1;
 380
 381                         return WERR_OK;
 382                 }
 383         }
 384
 385         return WERR_UNKNOWN_LEVEL;
 386 }
 387
 388
 389 /*
 390   drsuapi_DsRemoveDSServer
 391 */
 392 static WERROR dcesrv_drsuapi_DsRemoveDSServer(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 393                                        struct drsuapi_DsRemoveDSServer *r)
 394 {
 395         struct drsuapi_bind_state *b_state;
 396         struct dcesrv_handle *h;
 397         struct ldb_dn *ntds_dn;
 398         int ret;
 399         bool ok;
 400         WERROR status;
 401
 402         *r->out.level_out = 1;
 403
 404         status = drs_security_level_check(dce_call, "DsRemoveDSServer", SECURITY_DOMAIN_CONTROLLER);
 405         if (!W_ERROR_IS_OK(status)) {
 406                 return status;
 407         }
 408
 409         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 410         b_state = h->data;
 411
 412         switch (r->in.level) {
 413         case 1:
 414                 ntds_dn = ldb_dn_new(mem_ctx, b_state->sam_ctx, r->in.req->req1.server_dn);
 415                 W_ERROR_HAVE_NO_MEMORY(ntds_dn);
 416
 417                 ok = ldb_dn_validate(ntds_dn);
 418                 if (!ok) {
 419                         return WERR_FOOBAR;
 420                 }
 421
 422                 /* TODO: it's likely that we need more checks here */
 423
 424                 ok = ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings");
 425                 if (!ok) {
 426                         return WERR_FOOBAR;
 427                 }
 428
 429                 if (r->in.req->req1.commit) {
 430                         ret = ldb_delete(b_state->sam_ctx, ntds_dn);
 431                         if (ret != LDB_SUCCESS) {
 432                                 return WERR_FOOBAR;
 433                         }
 434                 }
 435
 436                 return WERR_OK;
 437         default:
 438                 break;
 439         }
 440
 441         return WERR_FOOBAR;
 442 }
 443
 444
 445 /*
 446   DRSUAPI_REMOVE_DS_DOMAIN
 447 */
 448 static WERROR dcesrv_DRSUAPI_REMOVE_DS_DOMAIN(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 449                        struct DRSUAPI_REMOVE_DS_DOMAIN *r)
 450 {
 451         DRSUAPI_UNSUPPORTED(DRSUAPI_REMOVE_DS_DOMAIN);
 452 }
 453
 454 /* Obtain the site name from a server DN */
 455 static const char *result_site_name(struct ldb_dn *site_dn)
 456 {
 457         /* Format is cn=<NETBIOS name>,cn=Servers,cn=<site>,cn=sites.... */
 458         const struct ldb_val *val = ldb_dn_get_component_val(site_dn, 2);
 459         const char *name = ldb_dn_get_component_name(site_dn, 2);
 460
 461         if (!name || (ldb_attr_cmp(name, "cn") != 0)) {
 462                 /* Ensure this matches the format.  This gives us a
 463                  * bit more confidence that a 'cn' value will be a
 464                  * ascii string */
 465                 return NULL;
 466         }
 467         if (val) {
 468                 return (char *)val->data;
 469         }
 470         return NULL;
 471 }
 472
 473 /*
 474   drsuapi_DsGetDomainControllerInfo
 475 */
 476 static WERROR dcesrv_drsuapi_DsGetDomainControllerInfo_1(struct drsuapi_bind_state *b_state,
 477                                                 TALLOC_CTX *mem_ctx,
 478                                                 struct drsuapi_DsGetDomainControllerInfo *r)
 479 {
 480         struct ldb_dn *sites_dn;
 481         struct ldb_result *res;
 482
 483         const char *attrs_account_1[] = { "cn", "dnsHostName", NULL };
 484         const char *attrs_account_2[] = { "cn", "dnsHostName", "objectGUID", NULL };
 485
 486         const char *attrs_none[] = { NULL };
 487
 488         const char *attrs_site[] = { "objectGUID", NULL };
 489
 490         const char *attrs_ntds[] = { "options", "objectGUID", NULL };
 491
 492         const char *attrs_1[] = { "serverReference", "cn", "dnsHostName", NULL };
 493         const char *attrs_2[] = { "serverReference", "cn", "dnsHostName", "objectGUID", NULL };
 494         const char **attrs;
 495
 496         struct drsuapi_DsGetDCInfoCtr1 *ctr1;
 497         struct drsuapi_DsGetDCInfoCtr2 *ctr2;
 498
 499         int ret;
 500         unsigned int i;
 501
 502         *r->out.level_out = r->in.req->req1.level;
 503         r->out.ctr = talloc(mem_ctx, union drsuapi_DsGetDCInfoCtr);
 504         W_ERROR_HAVE_NO_MEMORY(r->out.ctr);
 505
 506         sites_dn = samdb_sites_dn(b_state->sam_ctx, mem_ctx);
 507         if (!sites_dn) {
 508                 return WERR_DS_OBJ_NOT_FOUND;
 509         }
 510
 511         switch (*r->out.level_out) {
 512         case -1:
 513                 /* this level is not like the others */
 514                 return WERR_UNKNOWN_LEVEL;
 515         case 1:
 516                 attrs = attrs_1;
 517                 break;
 518         case 2:
 519                 attrs = attrs_2;
 520                 break;
 521         default:
 522                 return WERR_UNKNOWN_LEVEL;
 523         }
 524
 525         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res, sites_dn, LDB_SCOPE_SUBTREE, attrs,
 526                                  "objectClass=server");
 527
 528         if (ret) {
 529                 DEBUG(1, ("searching for servers in sites DN %s failed: %s\n",
 530                           ldb_dn_get_linearized(sites_dn), ldb_errstring(b_state->sam_ctx)));
 531                 return WERR_GENERAL_FAILURE;
 532         }
 533
 534         switch (*r->out.level_out) {
 535         case 1:
 536                 ctr1 = &r->out.ctr->ctr1;
 537                 ctr1->count = res->count;
 538                 ctr1->array = talloc_zero_array(mem_ctx,
 539                                                 struct drsuapi_DsGetDCInfo1,
 540                                                 res->count);
 541                 for (i=0; i < res->count; i++) {
 542                         struct ldb_dn *domain_dn;
 543                         struct ldb_result *res_domain;
 544                         struct ldb_result *res_account;
 545                         struct ldb_dn *ntds_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 546
 547                         struct ldb_dn *ref_dn
 548                                 = ldb_msg_find_attr_as_dn(b_state->sam_ctx,
 549                                                           mem_ctx, res->msgs[i],
 550                                                           "serverReference");
 551
 552                         if (!ntds_dn || !ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings")) {
 553                                 return WERR_NOMEM;
 554                         }
 555
 556                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_account, ref_dn,
 557                                                  LDB_SCOPE_BASE, attrs_account_1, "objectClass=computer");
 558                         if (ret == LDB_SUCCESS && res_account->count == 1) {
 559                                 const char *errstr;
 560                                 ctr1->array[i].dns_name
 561                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "dNSHostName", NULL);
 562                                 ctr1->array[i].netbios_name
 563                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "cn", NULL);
 564                                 ctr1->array[i].computer_dn
 565                                         = ldb_dn_get_linearized(res_account->msgs[0]->dn);
 566
 567                                 /* Determine if this is the PDC */
 568                                 ret = samdb_search_for_parent_domain(b_state->sam_ctx,
 569                                                                      mem_ctx, res_account->msgs[0]->dn,
 570                                                                      &domain_dn, &errstr);
 571
 572                                 if (ret == LDB_SUCCESS) {
 573                                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_domain, domain_dn,
 574                                                                  LDB_SCOPE_BASE, attrs_none, "fSMORoleOwner=%s",
 575                                                                  ldb_dn_get_linearized(ntds_dn));
 576                                         if (ret) {
 577                                                 return WERR_GENERAL_FAILURE;
 578                                         }
 579                                         if (res_domain->count == 1) {
 580                                                 ctr1->array[i].is_pdc = true;
 581                                         }
 582                                 }
 583                         }
 584                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 585                                 DEBUG(5, ("warning: searching for computer DN %s failed: %s\n",
 586                                           ldb_dn_get_linearized(ref_dn), ldb_errstring(b_state->sam_ctx)));
 587                         }
 588
 589                         /* Look at server DN and extract site component */
 590                         ctr1->array[i].site_name = result_site_name(res->msgs[i]->dn);
 591                         ctr1->array[i].server_dn = ldb_dn_get_linearized(res->msgs[i]->dn);
 592
 593
 594                         ctr1->array[i].is_enabled = true;
 595
 596                 }
 597                 break;
 598         case 2:
 599                 ctr2 = &r->out.ctr->ctr2;
 600                 ctr2->count = res->count;
 601                 ctr2->array = talloc_zero_array(mem_ctx,
 602                                                  struct drsuapi_DsGetDCInfo2,
 603                                                  res->count);
 604                 for (i=0; i < res->count; i++) {
 605                         struct ldb_dn *domain_dn;
 606                         struct ldb_result *res_domain;
 607                         struct ldb_result *res_account;
 608                         struct ldb_dn *ntds_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 609                         struct ldb_result *res_ntds;
 610                         struct ldb_dn *site_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 611                         struct ldb_result *res_site;
 612                         struct ldb_dn *ref_dn
 613                                 = ldb_msg_find_attr_as_dn(b_state->sam_ctx,
 614                                                           mem_ctx, res->msgs[i],
 615                                                           "serverReference");
 616
 617                         if (!ntds_dn || !ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings")) {
 618                                 return WERR_NOMEM;
 619                         }
 620
 621                         /* Format is cn=<NETBIOS name>,cn=Servers,cn=<site>,cn=sites.... */
 622                         if (!site_dn || !ldb_dn_remove_child_components(site_dn, 2)) {
 623                                 return WERR_NOMEM;
 624                         }
 625
 626                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_ntds, ntds_dn,
 627                                                  LDB_SCOPE_BASE, attrs_ntds, "objectClass=nTDSDSA");
 628                         if (ret == LDB_SUCCESS && res_ntds->count == 1) {
 629                                 ctr2->array[i].is_gc
 630                                         = (ldb_msg_find_attr_as_int(res_ntds->msgs[0], "options", 0) == 1);
 631                                 ctr2->array[i].ntds_guid
 632                                         = samdb_result_guid(res_ntds->msgs[0], "objectGUID");
 633                                 ctr2->array[i].ntds_dn = ldb_dn_get_linearized(res_ntds->msgs[0]->dn);
 634                         }
 635                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 636                                 DEBUG(5, ("warning: searching for NTDS DN %s failed: %s\n",
 637                                           ldb_dn_get_linearized(ntds_dn), ldb_errstring(b_state->sam_ctx)));
 638                         }
 639
 640                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_site, site_dn,
 641                                                  LDB_SCOPE_BASE, attrs_site, "objectClass=site");
 642                         if (ret == LDB_SUCCESS && res_site->count == 1) {
 643                                 ctr2->array[i].site_guid
 644                                         = samdb_result_guid(res_site->msgs[0], "objectGUID");
 645                                 ctr2->array[i].site_dn = ldb_dn_get_linearized(res_site->msgs[0]->dn);
 646                         }
 647                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 648                                 DEBUG(5, ("warning: searching for site DN %s failed: %s\n",
 649                                           ldb_dn_get_linearized(site_dn), ldb_errstring(b_state->sam_ctx)));
 650                         }
 651
 652                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_account, ref_dn,
 653                                                  LDB_SCOPE_BASE, attrs_account_2, "objectClass=computer");
 654                         if (ret == LDB_SUCCESS && res_account->count == 1) {
 655                                 const char *errstr;
 656                                 ctr2->array[i].dns_name
 657                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "dNSHostName", NULL);
 658                                 ctr2->array[i].netbios_name
 659                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "cn", NULL);
 660                                 ctr2->array[i].computer_dn = ldb_dn_get_linearized(res_account->msgs[0]->dn);
 661                                 ctr2->array[i].computer_guid
 662                                         = samdb_result_guid(res_account->msgs[0], "objectGUID");
 663
 664                                 /* Determine if this is the PDC */
 665                                 ret = samdb_search_for_parent_domain(b_state->sam_ctx,
 666                                                                      mem_ctx, res_account->msgs[0]->dn,
 667                                                                      &domain_dn, &errstr);
 668
 669                                 if (ret == LDB_SUCCESS) {
 670                                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_domain, domain_dn,
 671                                                                  LDB_SCOPE_BASE, attrs_none, "fSMORoleOwner=%s",
 672                                                                  ldb_dn_get_linearized(ntds_dn));
 673                                         if (ret == LDB_SUCCESS && res_domain->count == 1) {
 674                                                 ctr2->array[i].is_pdc = true;
 675                                         }
 676                                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 677                                                 DEBUG(5, ("warning: searching for domain DN %s failed: %s\n",
 678                                                           ldb_dn_get_linearized(domain_dn), ldb_errstring(b_state->sam_ctx)));
 679                                         }
 680                                 }
 681                         }
 682                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 683                                 DEBUG(5, ("warning: searching for computer account DN %s failed: %s\n",
 684                                           ldb_dn_get_linearized(ref_dn), ldb_errstring(b_state->sam_ctx)));
 685                         }
 686
 687                         /* Look at server DN and extract site component */
 688                         ctr2->array[i].site_name = result_site_name(res->msgs[i]->dn);
 689                         ctr2->array[i].server_dn = ldb_dn_get_linearized(res->msgs[i]->dn);
 690                         ctr2->array[i].server_guid
 691                                 = samdb_result_guid(res->msgs[i], "objectGUID");
 692
 693                         ctr2->array[i].is_enabled = true;
 694
 695                 }
 696                 break;
 697         }
 698         return WERR_OK;
 699 }
 700
 701 /*
 702   drsuapi_DsGetDomainControllerInfo
 703 */
 704 static WERROR dcesrv_drsuapi_DsGetDomainControllerInfo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 705                                                 struct drsuapi_DsGetDomainControllerInfo *r)
 706 {
 707         struct dcesrv_handle *h;
 708         struct drsuapi_bind_state *b_state;
 709         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 710         b_state = h->data;
 711
 712         switch (r->in.level) {
 713         case 1:
 714                 return dcesrv_drsuapi_DsGetDomainControllerInfo_1(b_state, mem_ctx, r);
 715         }
 716
 717         return WERR_UNKNOWN_LEVEL;
 718 }
 719
 720
 721
 722 /*
 723   drsuapi_DsExecuteKCC
 724 */
 725 static WERROR dcesrv_drsuapi_DsExecuteKCC(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 726                                   struct drsuapi_DsExecuteKCC *r)
 727 {
 728         WERROR status;
 729         status = drs_security_level_check(dce_call, "DsExecuteKCC", SECURITY_DOMAIN_CONTROLLER);
 730
 731         if (!W_ERROR_IS_OK(status)) {
 732                 return status;
 733         }
 734
 735         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx, r, NDR_DRSUAPI_DSEXECUTEKCC,
 736                                                                 &ndr_table_drsuapi, "kccsrv", "DsExecuteKCC");
 737         return WERR_OK;
 738 }
 739
 740
 741 /*
 742   drsuapi_DsReplicaGetInfo
 743 */
 744 static WERROR dcesrv_drsuapi_DsReplicaGetInfo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 745                        struct drsuapi_DsReplicaGetInfo *r)
 746 {
 747         enum security_user_level level;
 748
 749         if (!lp_parm_bool(dce_call->conn->dce_ctx->lp_ctx, NULL,
 750                          "drs", "disable_sec_check", false)) {
 751                 level = security_session_user_level(dce_call->conn->auth_state.session_info, NULL);
 752                 if (level < SECURITY_ADMINISTRATOR) {
 753                         DEBUG(1,(__location__ ": Administrator access required for DsReplicaGetInfo\n"));
 754                         security_token_debug(2, dce_call->conn->auth_state.session_info->security_token);
 755                         return WERR_DS_DRA_ACCESS_DENIED;
 756                 }
 757         }
 758
 759         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx, r, NDR_DRSUAPI_DSREPLICAGETINFO,
 760                                      &ndr_table_drsuapi, "kccsrv", "DsReplicaGetInfo");
 761
 762         return WERR_OK;
 763 }
 764
 765
 766 /*
 767   DRSUAPI_ADD_SID_HISTORY
 768 */
 769 static WERROR dcesrv_DRSUAPI_ADD_SID_HISTORY(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 770                        struct DRSUAPI_ADD_SID_HISTORY *r)
 771 {
 772         DRSUAPI_UNSUPPORTED(DRSUAPI_ADD_SID_HISTORY);
 773 }
 774
 775 /*
 776   drsuapi_DsGetMemberships2
 777 */
 778 static WERROR dcesrv_drsuapi_DsGetMemberships2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 779                        struct drsuapi_DsGetMemberships2 *r)
 780 {
 781         DRSUAPI_UNSUPPORTED(drsuapi_DsGetMemberships2);
 782 }
 783
 784 /*
 785   DRSUAPI_REPLICA_VERIFY_OBJECTS
 786 */
 787 static WERROR dcesrv_DRSUAPI_REPLICA_VERIFY_OBJECTS(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 788                        struct DRSUAPI_REPLICA_VERIFY_OBJECTS *r)
 789 {
 790         DRSUAPI_UNSUPPORTED(DRSUAPI_REPLICA_VERIFY_OBJECTS);
 791 }
 792
 793
 794 /*
 795   DRSUAPI_GET_OBJECT_EXISTENCE
 796 */
 797 static WERROR dcesrv_DRSUAPI_GET_OBJECT_EXISTENCE(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 798                        struct DRSUAPI_GET_OBJECT_EXISTENCE *r)
 799 {
 800         DRSUAPI_UNSUPPORTED(DRSUAPI_GET_OBJECT_EXISTENCE);
 801 }
 802
 803
 804 /*
 805   drsuapi_QuerySitesByCost
 806 */
 807 static WERROR dcesrv_drsuapi_QuerySitesByCost(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 808                        struct drsuapi_QuerySitesByCost *r)
 809 {
 810         DRSUAPI_UNSUPPORTED(drsuapi_QuerySitesByCost);
 811 }
 812
 813
 814 /* include the generated boilerplate */
 815 #include "librpc/gen_ndr/ndr_drsuapi_s.c"