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 #include "lib/messaging/irpc.h"
  33
  34 #define DRSUAPI_UNSUPPORTED(fname) do { \
  35         DEBUG(1,(__location__ ": Unsupported DRS call %s\n", #fname)); \
  36         if (DEBUGLVL(2)) NDR_PRINT_IN_DEBUG(fname, r); \
  37         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR); \
  38 } while (0)
  39
  40 /*
  41   drsuapi_DsBind
  42 */
  43 static WERROR dcesrv_drsuapi_DsBind(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
  44                        struct drsuapi_DsBind *r)
  45 {
  46         struct drsuapi_bind_state *b_state;
  47         struct dcesrv_handle *handle;
  48         struct drsuapi_DsBindInfoCtr *bind_info;
  49         struct GUID site_guid;
  50         struct ldb_result *site_res;
  51         struct ldb_dn *server_site_dn;
  52         static const char *site_attrs[] = { "objectGUID", NULL };
  53         struct ldb_result *ntds_res;
  54         struct ldb_dn *ntds_dn;
  55         static const char *ntds_attrs[] = { "ms-DS-ReplicationEpoch", NULL };
  56         uint32_t pid;
  57         uint32_t repl_epoch;
  58         int ret;
  59         struct auth_session_info *auth_info;
  60         WERROR werr;
  61         bool connected_as_system = false;
  62
  63         r->out.bind_info = NULL;
  64         ZERO_STRUCTP(r->out.bind_handle);
  65
  66         b_state = talloc_zero(mem_ctx, struct drsuapi_bind_state);
  67         W_ERROR_HAVE_NO_MEMORY(b_state);
  68
  69         /* if this is a DC connecting, give them system level access */
  70         werr = drs_security_level_check(dce_call, NULL, SECURITY_DOMAIN_CONTROLLER, NULL);
  71         if (W_ERROR_IS_OK(werr)) {
  72                 DEBUG(3,(__location__ ": doing DsBind with system_session\n"));
  73                 auth_info = system_session(dce_call->conn->dce_ctx->lp_ctx);
  74                 connected_as_system = true;
  75         } else {
  76                 auth_info = dce_call->conn->auth_state.session_info;
  77         }
  78
  79         /*
  80          * connect to the samdb
  81          */
  82         b_state->sam_ctx = samdb_connect(b_state, dce_call->event_ctx,
  83                                          dce_call->conn->dce_ctx->lp_ctx, auth_info);
  84         if (!b_state->sam_ctx) {
  85                 return WERR_FOOBAR;
  86         }
  87
  88         if (connected_as_system) {
  89                 b_state->sam_ctx_system = b_state->sam_ctx;
  90         } else {
  91                 /* an RODC also needs system samdb access for secret
  92                    attribute replication */
  93                 werr = drs_security_level_check(dce_call, NULL, SECURITY_RO_DOMAIN_CONTROLLER,
  94                                                 samdb_domain_sid(b_state->sam_ctx));
  95                 if (W_ERROR_IS_OK(werr)) {
  96                         b_state->sam_ctx_system = samdb_connect(b_state, dce_call->event_ctx,
  97                                                                 dce_call->conn->dce_ctx->lp_ctx,
  98                                                                 system_session(dce_call->conn->dce_ctx->lp_ctx));
  99                         if (!b_state->sam_ctx_system) {
 100                                 return WERR_FOOBAR;
 101                         }
 102                 }
 103         }
 104
 105         /*
 106          * find out the guid of our own site
 107          */
 108         server_site_dn = samdb_server_site_dn(b_state->sam_ctx, mem_ctx);
 109         W_ERROR_HAVE_NO_MEMORY(server_site_dn);
 110
 111         ret = ldb_search(b_state->sam_ctx, mem_ctx, &site_res,
 112                                  server_site_dn, LDB_SCOPE_BASE, site_attrs,
 113                                  "(objectClass=*)");
 114         if (ret != LDB_SUCCESS) {
 115                 return WERR_DS_DRA_INTERNAL_ERROR;
 116         }
 117         if (site_res->count != 1) {
 118                 return WERR_DS_DRA_INTERNAL_ERROR;
 119         }
 120         site_guid = samdb_result_guid(site_res->msgs[0], "objectGUID");
 121
 122         /*
 123          * lookup the local servers Replication Epoch
 124          */
 125         ntds_dn = samdb_ntds_settings_dn(b_state->sam_ctx);
 126         W_ERROR_HAVE_NO_MEMORY(ntds_dn);
 127
 128         ret = ldb_search(b_state->sam_ctx, mem_ctx, &ntds_res,
 129                                  ntds_dn, LDB_SCOPE_BASE, ntds_attrs,
 130                                  "(objectClass=*)");
 131         if (ret != LDB_SUCCESS) {
 132                 return WERR_DS_DRA_INTERNAL_ERROR;
 133         }
 134         if (ntds_res->count != 1) {
 135                 return WERR_DS_DRA_INTERNAL_ERROR;
 136         }
 137         repl_epoch = samdb_result_uint(ntds_res->msgs[0], "ms-DS-ReplicationEpoch", 0);
 138
 139         /*
 140          * The "process identifier" of the client.
 141          * According to the WSPP docs, sectin 5.35, this is
 142          * for informational and debugging purposes only.
 143          * The assignment is implementation specific.
 144          */
 145         pid = 0;
 146
 147         /*
 148          * store the clients bind_guid
 149          */
 150         if (r->in.bind_guid) {
 151                 b_state->remote_bind_guid = *r->in.bind_guid;
 152         }
 153
 154         /*
 155          * store the clients bind_info
 156          */
 157         if (r->in.bind_info) {
 158                 switch (r->in.bind_info->length) {
 159                 case 24: {
 160                         struct drsuapi_DsBindInfo24 *info24;
 161                         info24 = &r->in.bind_info->info.info24;
 162                         b_state->remote_info28.supported_extensions     = info24->supported_extensions;
 163                         b_state->remote_info28.site_guid                = info24->site_guid;
 164                         b_state->remote_info28.pid                      = info24->pid;
 165                         b_state->remote_info28.repl_epoch               = 0;
 166                         break;
 167                 }
 168                 case 28:
 169                         b_state->remote_info28 = r->in.bind_info->info.info28;
 170                         break;
 171                 }
 172         }
 173
 174         /*
 175          * fill in our local bind info 28
 176          */
 177         b_state->local_info28.supported_extensions      = 0;
 178         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_BASE;
 179         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
 180         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI;
 181         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2;
 182 #if 0 /* we don't support MSZIP compression (only decompression) */
 183         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS;
 184 #endif
 185         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1;
 186         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION;
 187         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE;
 188         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2;
 189         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION;
 190         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2;
 191         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD;
 192         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND;
 193         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO;
 194         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION;
 195         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01;
 196         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP;
 197         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY;
 198         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3;
 199         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V5;
 200         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2;
 201         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6;
 202         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS;
 203         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8;
 204         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5;
 205         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6;
 206         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
 207         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7;
 208         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT;
 209 #if 0 /* we don't support XPRESS compression yet */
 210         b_state->local_info28.supported_extensions      |= DRSUAPI_SUPPORTED_EXTENSION_XPRESS_COMPRESS;
 211 #endif
 212         b_state->local_info28.site_guid                 = site_guid;
 213         b_state->local_info28.pid                       = pid;
 214         b_state->local_info28.repl_epoch                = repl_epoch;
 215
 216         /*
 217          * allocate the return bind_info
 218          */
 219         bind_info = talloc(mem_ctx, struct drsuapi_DsBindInfoCtr);
 220         W_ERROR_HAVE_NO_MEMORY(bind_info);
 221
 222         bind_info->length       = 28;
 223         bind_info->info.info28  = b_state->local_info28;
 224
 225         /*
 226          * allocate a bind handle
 227          */
 228         handle = dcesrv_handle_new(dce_call->context, DRSUAPI_BIND_HANDLE);
 229         W_ERROR_HAVE_NO_MEMORY(handle);
 230         handle->data = talloc_steal(handle, b_state);
 231
 232         /*
 233          * prepare reply
 234          */
 235         r->out.bind_info = bind_info;
 236         *r->out.bind_handle = handle->wire_handle;
 237
 238         return WERR_OK;
 239 }
 240
 241
 242 /*
 243   drsuapi_DsUnbind
 244 */
 245 static WERROR dcesrv_drsuapi_DsUnbind(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 246                                struct drsuapi_DsUnbind *r)
 247 {
 248         struct dcesrv_handle *h;
 249
 250         *r->out.bind_handle = *r->in.bind_handle;
 251
 252         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 253
 254         talloc_free(h);
 255
 256         ZERO_STRUCTP(r->out.bind_handle);
 257
 258         return WERR_OK;
 259 }
 260
 261
 262 /*
 263   drsuapi_DsReplicaSync
 264 */
 265 static WERROR dcesrv_drsuapi_DsReplicaSync(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 266                                            struct drsuapi_DsReplicaSync *r)
 267 {
 268         WERROR status;
 269         uint32_t timeout;
 270
 271         status = drs_security_level_check(dce_call, "DsReplicaSync", SECURITY_DOMAIN_CONTROLLER, NULL);
 272         if (!W_ERROR_IS_OK(status)) {
 273                 return status;
 274         }
 275
 276         if (r->in.level != 1) {
 277                 DEBUG(0,("DsReplicaSync called with unsupported level %d\n", r->in.level));
 278                 return WERR_DS_DRA_INVALID_PARAMETER;
 279         }
 280
 281         if (r->in.req->req1.options & DRSUAPI_DRS_ASYNC_OP) {
 282                 timeout = IRPC_CALL_TIMEOUT;
 283         } else {
 284                 /*
 285                  * use Infinite time for timeout in case
 286                  * the caller made a sync call
 287                  */
 288                 timeout = IRPC_CALL_TIMEOUT_INF;
 289         }
 290
 291         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx,
 292                                      r, NDR_DRSUAPI_DSREPLICASYNC,
 293                                      &ndr_table_drsuapi,
 294                                      "dreplsrv", "DsReplicaSync",
 295                                      timeout);
 296
 297         return WERR_OK;
 298 }
 299
 300
 301 /*
 302   drsuapi_DsReplicaAdd
 303 */
 304 static WERROR dcesrv_drsuapi_DsReplicaAdd(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 305                                           struct drsuapi_DsReplicaAdd *r)
 306 {
 307         DRSUAPI_UNSUPPORTED(drsuapi_DsReplicaAdd);
 308 }
 309
 310
 311 /*
 312   drsuapi_DsReplicaDel
 313 */
 314 static WERROR dcesrv_drsuapi_DsReplicaDel(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 315                                           struct drsuapi_DsReplicaDel *r)
 316 {
 317         DRSUAPI_UNSUPPORTED(drsuapi_DsReplicaDel);
 318 }
 319
 320
 321 /*
 322   drsuapi_DsReplicaModify
 323 */
 324 static WERROR dcesrv_drsuapi_DsReplicaMod(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 325                                           struct drsuapi_DsReplicaMod *r)
 326 {
 327         DRSUAPI_UNSUPPORTED(drsuapi_DsReplicaMod);
 328 }
 329
 330
 331 /*
 332   DRSUAPI_VERIFY_NAMES
 333 */
 334 static WERROR dcesrv_DRSUAPI_VERIFY_NAMES(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 335                        struct DRSUAPI_VERIFY_NAMES *r)
 336 {
 337         DRSUAPI_UNSUPPORTED(DRSUAPI_VERIFY_NAMES);
 338 }
 339
 340
 341 /*
 342   drsuapi_DsGetMemberships
 343 */
 344 static WERROR dcesrv_drsuapi_DsGetMemberships(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 345                        struct drsuapi_DsGetMemberships *r)
 346 {
 347         DRSUAPI_UNSUPPORTED(drsuapi_DsGetMemberships);
 348 }
 349
 350
 351 /*
 352   DRSUAPI_INTER_DOMAIN_MOVE
 353 */
 354 static WERROR dcesrv_DRSUAPI_INTER_DOMAIN_MOVE(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 355                        struct DRSUAPI_INTER_DOMAIN_MOVE *r)
 356 {
 357         DRSUAPI_UNSUPPORTED(DRSUAPI_INTER_DOMAIN_MOVE);
 358 }
 359
 360
 361 /*
 362   drsuapi_DsGetNT4ChangeLog
 363 */
 364 static WERROR dcesrv_drsuapi_DsGetNT4ChangeLog(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 365                        struct drsuapi_DsGetNT4ChangeLog *r)
 366 {
 367         DRSUAPI_UNSUPPORTED(drsuapi_DsGetNT4ChangeLog);
 368 }
 369
 370
 371 /*
 372   drsuapi_DsCrackNames
 373 */
 374 static WERROR dcesrv_drsuapi_DsCrackNames(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 375                             struct drsuapi_DsCrackNames *r)
 376 {
 377         WERROR status;
 378         struct drsuapi_bind_state *b_state;
 379         struct dcesrv_handle *h;
 380
 381         *r->out.level_out = r->in.level;
 382
 383         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 384         b_state = h->data;
 385
 386         r->out.ctr = talloc_zero(mem_ctx, union drsuapi_DsNameCtr);
 387         W_ERROR_HAVE_NO_MEMORY(r->out.ctr);
 388
 389         switch (r->in.level) {
 390                 case 1: {
 391                         struct drsuapi_DsNameCtr1 *ctr1;
 392                         struct drsuapi_DsNameInfo1 *names;
 393                         uint32_t i, count;
 394
 395                         ctr1 = talloc(mem_ctx, struct drsuapi_DsNameCtr1);
 396                         W_ERROR_HAVE_NO_MEMORY(ctr1);
 397
 398                         count = r->in.req->req1.count;
 399                         names = talloc_array(mem_ctx, struct drsuapi_DsNameInfo1, count);
 400                         W_ERROR_HAVE_NO_MEMORY(names);
 401
 402                         for (i=0; i < count; i++) {
 403                                 status = DsCrackNameOneName(b_state->sam_ctx, mem_ctx,
 404                                                             r->in.req->req1.format_flags,
 405                                                             r->in.req->req1.format_offered,
 406                                                             r->in.req->req1.format_desired,
 407                                                             r->in.req->req1.names[i].str,
 408                                                             &names[i]);
 409                                 if (!W_ERROR_IS_OK(status)) {
 410                                         return status;
 411                                 }
 412                         }
 413
 414                         ctr1->count = count;
 415                         ctr1->array = names;
 416                         r->out.ctr->ctr1 = ctr1;
 417
 418                         return WERR_OK;
 419                 }
 420         }
 421
 422         return WERR_UNKNOWN_LEVEL;
 423 }
 424
 425
 426 /*
 427   drsuapi_DsRemoveDSServer
 428 */
 429 static WERROR dcesrv_drsuapi_DsRemoveDSServer(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 430                                        struct drsuapi_DsRemoveDSServer *r)
 431 {
 432         struct drsuapi_bind_state *b_state;
 433         struct dcesrv_handle *h;
 434         struct ldb_dn *ntds_dn;
 435         int ret;
 436         bool ok;
 437         WERROR status;
 438
 439         *r->out.level_out = 1;
 440
 441         status = drs_security_level_check(dce_call, "DsRemoveDSServer", SECURITY_DOMAIN_CONTROLLER, NULL);
 442         if (!W_ERROR_IS_OK(status)) {
 443                 return status;
 444         }
 445
 446         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 447         b_state = h->data;
 448
 449         switch (r->in.level) {
 450         case 1:
 451                 ntds_dn = ldb_dn_new(mem_ctx, b_state->sam_ctx, r->in.req->req1.server_dn);
 452                 W_ERROR_HAVE_NO_MEMORY(ntds_dn);
 453
 454                 ok = ldb_dn_validate(ntds_dn);
 455                 if (!ok) {
 456                         return WERR_FOOBAR;
 457                 }
 458
 459                 /* TODO: it's likely that we need more checks here */
 460
 461                 ok = ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings");
 462                 if (!ok) {
 463                         return WERR_FOOBAR;
 464                 }
 465
 466                 if (r->in.req->req1.commit) {
 467                         ret = ldb_delete(b_state->sam_ctx, ntds_dn);
 468                         if (ret != LDB_SUCCESS) {
 469                                 return WERR_FOOBAR;
 470                         }
 471                 }
 472
 473                 return WERR_OK;
 474         default:
 475                 break;
 476         }
 477
 478         return WERR_FOOBAR;
 479 }
 480
 481
 482 /*
 483   DRSUAPI_REMOVE_DS_DOMAIN
 484 */
 485 static WERROR dcesrv_DRSUAPI_REMOVE_DS_DOMAIN(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 486                        struct DRSUAPI_REMOVE_DS_DOMAIN *r)
 487 {
 488         DRSUAPI_UNSUPPORTED(DRSUAPI_REMOVE_DS_DOMAIN);
 489 }
 490
 491 /* Obtain the site name from a server DN */
 492 static const char *result_site_name(struct ldb_dn *server_dn)
 493 {
 494         /* Format is cn=<NETBIOS name>,cn=Servers,cn=<site>,cn=sites.... */
 495         const struct ldb_val *val = ldb_dn_get_component_val(server_dn, 2);
 496         const char *name = ldb_dn_get_component_name(server_dn, 2);
 497
 498         if (!name || (ldb_attr_cmp(name, "cn") != 0)) {
 499                 /* Ensure this matches the format.  This gives us a
 500                  * bit more confidence that a 'cn' value will be a
 501                  * ascii string */
 502                 return NULL;
 503         }
 504         if (val) {
 505                 return (char *)val->data;
 506         }
 507         return NULL;
 508 }
 509
 510 /*
 511   drsuapi_DsGetDomainControllerInfo
 512 */
 513 static WERROR dcesrv_drsuapi_DsGetDomainControllerInfo_1(struct drsuapi_bind_state *b_state,
 514                                                 TALLOC_CTX *mem_ctx,
 515                                                 struct drsuapi_DsGetDomainControllerInfo *r)
 516 {
 517         struct ldb_dn *sites_dn;
 518         struct ldb_result *res;
 519
 520         const char *attrs_account_1[] = { "cn", "dnsHostName", NULL };
 521         const char *attrs_account_2[] = { "cn", "dnsHostName", "objectGUID", NULL };
 522
 523         const char *attrs_none[] = { NULL };
 524
 525         const char *attrs_site[] = { "objectGUID", NULL };
 526
 527         const char *attrs_ntds[] = { "options", "objectGUID", NULL };
 528
 529         const char *attrs_1[] = { "serverReference", "cn", "dnsHostName", NULL };
 530         const char *attrs_2[] = { "serverReference", "cn", "dnsHostName", "objectGUID", NULL };
 531         const char **attrs;
 532
 533         struct drsuapi_DsGetDCInfoCtr1 *ctr1;
 534         struct drsuapi_DsGetDCInfoCtr2 *ctr2;
 535
 536         int ret;
 537         unsigned int i;
 538
 539         *r->out.level_out = r->in.req->req1.level;
 540         r->out.ctr = talloc(mem_ctx, union drsuapi_DsGetDCInfoCtr);
 541         W_ERROR_HAVE_NO_MEMORY(r->out.ctr);
 542
 543         sites_dn = samdb_sites_dn(b_state->sam_ctx, mem_ctx);
 544         if (!sites_dn) {
 545                 return WERR_DS_OBJ_NOT_FOUND;
 546         }
 547
 548         switch (*r->out.level_out) {
 549         case -1:
 550                 /* this level is not like the others */
 551                 return WERR_UNKNOWN_LEVEL;
 552         case 1:
 553                 attrs = attrs_1;
 554                 break;
 555         case 2:
 556                 attrs = attrs_2;
 557                 break;
 558         default:
 559                 return WERR_UNKNOWN_LEVEL;
 560         }
 561
 562         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res, sites_dn, LDB_SCOPE_SUBTREE, attrs,
 563                                  "objectClass=server");
 564
 565         if (ret) {
 566                 DEBUG(1, ("searching for servers in sites DN %s failed: %s\n",
 567                           ldb_dn_get_linearized(sites_dn), ldb_errstring(b_state->sam_ctx)));
 568                 return WERR_GENERAL_FAILURE;
 569         }
 570
 571         switch (*r->out.level_out) {
 572         case 1:
 573                 ctr1 = &r->out.ctr->ctr1;
 574                 ctr1->count = res->count;
 575                 ctr1->array = talloc_zero_array(mem_ctx,
 576                                                 struct drsuapi_DsGetDCInfo1,
 577                                                 res->count);
 578                 for (i=0; i < res->count; i++) {
 579                         struct ldb_dn *domain_dn;
 580                         struct ldb_result *res_domain;
 581                         struct ldb_result *res_account;
 582                         struct ldb_dn *ntds_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 583
 584                         struct ldb_dn *ref_dn
 585                                 = ldb_msg_find_attr_as_dn(b_state->sam_ctx,
 586                                                           mem_ctx, res->msgs[i],
 587                                                           "serverReference");
 588
 589                         if (!ntds_dn || !ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings")) {
 590                                 return WERR_NOMEM;
 591                         }
 592
 593                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_account, ref_dn,
 594                                                  LDB_SCOPE_BASE, attrs_account_1, "objectClass=computer");
 595                         if (ret == LDB_SUCCESS && res_account->count == 1) {
 596                                 const char *errstr;
 597                                 ctr1->array[i].dns_name
 598                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "dNSHostName", NULL);
 599                                 ctr1->array[i].netbios_name
 600                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "cn", NULL);
 601                                 ctr1->array[i].computer_dn
 602                                         = ldb_dn_get_linearized(res_account->msgs[0]->dn);
 603
 604                                 /* Determine if this is the PDC */
 605                                 ret = samdb_search_for_parent_domain(b_state->sam_ctx,
 606                                                                      mem_ctx, res_account->msgs[0]->dn,
 607                                                                      &domain_dn, &errstr);
 608
 609                                 if (ret == LDB_SUCCESS) {
 610                                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_domain, domain_dn,
 611                                                                  LDB_SCOPE_BASE, attrs_none, "fSMORoleOwner=%s",
 612                                                                  ldb_dn_get_linearized(ntds_dn));
 613                                         if (ret) {
 614                                                 return WERR_GENERAL_FAILURE;
 615                                         }
 616                                         if (res_domain->count == 1) {
 617                                                 ctr1->array[i].is_pdc = true;
 618                                         }
 619                                 }
 620                         }
 621                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 622                                 DEBUG(5, ("warning: searching for computer DN %s failed: %s\n",
 623                                           ldb_dn_get_linearized(ref_dn), ldb_errstring(b_state->sam_ctx)));
 624                         }
 625
 626                         /* Look at server DN and extract site component */
 627                         ctr1->array[i].site_name = result_site_name(res->msgs[i]->dn);
 628                         ctr1->array[i].server_dn = ldb_dn_get_linearized(res->msgs[i]->dn);
 629
 630
 631                         ctr1->array[i].is_enabled = true;
 632
 633                 }
 634                 break;
 635         case 2:
 636                 ctr2 = &r->out.ctr->ctr2;
 637                 ctr2->count = res->count;
 638                 ctr2->array = talloc_zero_array(mem_ctx,
 639                                                  struct drsuapi_DsGetDCInfo2,
 640                                                  res->count);
 641                 for (i=0; i < res->count; i++) {
 642                         struct ldb_dn *domain_dn;
 643                         struct ldb_result *res_domain;
 644                         struct ldb_result *res_account;
 645                         struct ldb_dn *ntds_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 646                         struct ldb_result *res_ntds;
 647                         struct ldb_dn *site_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 648                         struct ldb_result *res_site;
 649                         struct ldb_dn *ref_dn
 650                                 = ldb_msg_find_attr_as_dn(b_state->sam_ctx,
 651                                                           mem_ctx, res->msgs[i],
 652                                                           "serverReference");
 653
 654                         if (!ntds_dn || !ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings")) {
 655                                 return WERR_NOMEM;
 656                         }
 657
 658                         /* Format is cn=<NETBIOS name>,cn=Servers,cn=<site>,cn=sites.... */
 659                         if (!site_dn || !ldb_dn_remove_child_components(site_dn, 2)) {
 660                                 return WERR_NOMEM;
 661                         }
 662
 663                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_ntds, ntds_dn,
 664                                                  LDB_SCOPE_BASE, attrs_ntds, "objectClass=nTDSDSA");
 665                         if (ret == LDB_SUCCESS && res_ntds->count == 1) {
 666                                 ctr2->array[i].is_gc
 667                                         = (ldb_msg_find_attr_as_int(res_ntds->msgs[0], "options", 0) == 1);
 668                                 ctr2->array[i].ntds_guid
 669                                         = samdb_result_guid(res_ntds->msgs[0], "objectGUID");
 670                                 ctr2->array[i].ntds_dn = ldb_dn_get_linearized(res_ntds->msgs[0]->dn);
 671                         }
 672                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 673                                 DEBUG(5, ("warning: searching for NTDS DN %s failed: %s\n",
 674                                           ldb_dn_get_linearized(ntds_dn), ldb_errstring(b_state->sam_ctx)));
 675                         }
 676
 677                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_site, site_dn,
 678                                                  LDB_SCOPE_BASE, attrs_site, "objectClass=site");
 679                         if (ret == LDB_SUCCESS && res_site->count == 1) {
 680                                 ctr2->array[i].site_guid
 681                                         = samdb_result_guid(res_site->msgs[0], "objectGUID");
 682                                 ctr2->array[i].site_dn = ldb_dn_get_linearized(res_site->msgs[0]->dn);
 683                         }
 684                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 685                                 DEBUG(5, ("warning: searching for site DN %s failed: %s\n",
 686                                           ldb_dn_get_linearized(site_dn), ldb_errstring(b_state->sam_ctx)));
 687                         }
 688
 689                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_account, ref_dn,
 690                                                  LDB_SCOPE_BASE, attrs_account_2, "objectClass=computer");
 691                         if (ret == LDB_SUCCESS && res_account->count == 1) {
 692                                 const char *errstr;
 693                                 ctr2->array[i].dns_name
 694                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "dNSHostName", NULL);
 695                                 ctr2->array[i].netbios_name
 696                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "cn", NULL);
 697                                 ctr2->array[i].computer_dn = ldb_dn_get_linearized(res_account->msgs[0]->dn);
 698                                 ctr2->array[i].computer_guid
 699                                         = samdb_result_guid(res_account->msgs[0], "objectGUID");
 700
 701                                 /* Determine if this is the PDC */
 702                                 ret = samdb_search_for_parent_domain(b_state->sam_ctx,
 703                                                                      mem_ctx, res_account->msgs[0]->dn,
 704                                                                      &domain_dn, &errstr);
 705
 706                                 if (ret == LDB_SUCCESS) {
 707                                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_domain, domain_dn,
 708                                                                  LDB_SCOPE_BASE, attrs_none, "fSMORoleOwner=%s",
 709                                                                  ldb_dn_get_linearized(ntds_dn));
 710                                         if (ret == LDB_SUCCESS && res_domain->count == 1) {
 711                                                 ctr2->array[i].is_pdc = true;
 712                                         }
 713                                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 714                                                 DEBUG(5, ("warning: searching for domain DN %s failed: %s\n",
 715                                                           ldb_dn_get_linearized(domain_dn), ldb_errstring(b_state->sam_ctx)));
 716                                         }
 717                                 }
 718                         }
 719                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 720                                 DEBUG(5, ("warning: searching for computer account DN %s failed: %s\n",
 721                                           ldb_dn_get_linearized(ref_dn), ldb_errstring(b_state->sam_ctx)));
 722                         }
 723
 724                         /* Look at server DN and extract site component */
 725                         ctr2->array[i].site_name = result_site_name(res->msgs[i]->dn);
 726                         ctr2->array[i].server_dn = ldb_dn_get_linearized(res->msgs[i]->dn);
 727                         ctr2->array[i].server_guid
 728                                 = samdb_result_guid(res->msgs[i], "objectGUID");
 729
 730                         ctr2->array[i].is_enabled = true;
 731
 732                 }
 733                 break;
 734         }
 735         return WERR_OK;
 736 }
 737
 738 /*
 739   drsuapi_DsGetDomainControllerInfo
 740 */
 741 static WERROR dcesrv_drsuapi_DsGetDomainControllerInfo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 742                                                 struct drsuapi_DsGetDomainControllerInfo *r)
 743 {
 744         struct dcesrv_handle *h;
 745         struct drsuapi_bind_state *b_state;
 746         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 747         b_state = h->data;
 748
 749         switch (r->in.level) {
 750         case 1:
 751                 return dcesrv_drsuapi_DsGetDomainControllerInfo_1(b_state, mem_ctx, r);
 752         }
 753
 754         return WERR_UNKNOWN_LEVEL;
 755 }
 756
 757
 758
 759 /*
 760   drsuapi_DsExecuteKCC
 761 */
 762 static WERROR dcesrv_drsuapi_DsExecuteKCC(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 763                                   struct drsuapi_DsExecuteKCC *r)
 764 {
 765         WERROR status;
 766         status = drs_security_level_check(dce_call, "DsExecuteKCC", SECURITY_DOMAIN_CONTROLLER, NULL);
 767
 768         if (!W_ERROR_IS_OK(status)) {
 769                 return status;
 770         }
 771
 772         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx, r, NDR_DRSUAPI_DSEXECUTEKCC,
 773                                      &ndr_table_drsuapi, "kccsrv", "DsExecuteKCC",
 774                                      IRPC_CALL_TIMEOUT);
 775         return WERR_OK;
 776 }
 777
 778
 779 /*
 780   drsuapi_DsReplicaGetInfo
 781 */
 782 static WERROR dcesrv_drsuapi_DsReplicaGetInfo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 783                        struct drsuapi_DsReplicaGetInfo *r)
 784 {
 785         enum security_user_level level;
 786
 787         if (!lpcfg_parm_bool(dce_call->conn->dce_ctx->lp_ctx, NULL,
 788                          "drs", "disable_sec_check", false)) {
 789                 level = security_session_user_level(dce_call->conn->auth_state.session_info, NULL);
 790                 if (level < SECURITY_ADMINISTRATOR) {
 791                         DEBUG(1,(__location__ ": Administrator access required for DsReplicaGetInfo\n"));
 792                         security_token_debug(2, dce_call->conn->auth_state.session_info->security_token);
 793                         return WERR_DS_DRA_ACCESS_DENIED;
 794                 }
 795         }
 796
 797         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx, r, NDR_DRSUAPI_DSREPLICAGETINFO,
 798                                      &ndr_table_drsuapi, "kccsrv", "DsReplicaGetInfo",
 799                                      IRPC_CALL_TIMEOUT);
 800
 801         return WERR_OK;
 802 }
 803
 804
 805 /*
 806   DRSUAPI_ADD_SID_HISTORY
 807 */
 808 static WERROR dcesrv_DRSUAPI_ADD_SID_HISTORY(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 809                        struct DRSUAPI_ADD_SID_HISTORY *r)
 810 {
 811         DRSUAPI_UNSUPPORTED(DRSUAPI_ADD_SID_HISTORY);
 812 }
 813
 814 /*
 815   drsuapi_DsGetMemberships2
 816 */
 817 static WERROR dcesrv_drsuapi_DsGetMemberships2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 818                        struct drsuapi_DsGetMemberships2 *r)
 819 {
 820         DRSUAPI_UNSUPPORTED(drsuapi_DsGetMemberships2);
 821 }
 822
 823 /*
 824   DRSUAPI_REPLICA_VERIFY_OBJECTS
 825 */
 826 static WERROR dcesrv_DRSUAPI_REPLICA_VERIFY_OBJECTS(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 827                        struct DRSUAPI_REPLICA_VERIFY_OBJECTS *r)
 828 {
 829         DRSUAPI_UNSUPPORTED(DRSUAPI_REPLICA_VERIFY_OBJECTS);
 830 }
 831
 832
 833 /*
 834   DRSUAPI_GET_OBJECT_EXISTENCE
 835 */
 836 static WERROR dcesrv_DRSUAPI_GET_OBJECT_EXISTENCE(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 837                        struct DRSUAPI_GET_OBJECT_EXISTENCE *r)
 838 {
 839         DRSUAPI_UNSUPPORTED(DRSUAPI_GET_OBJECT_EXISTENCE);
 840 }
 841
 842
 843 /*
 844   drsuapi_QuerySitesByCost
 845 */
 846 static WERROR dcesrv_drsuapi_QuerySitesByCost(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 847                        struct drsuapi_QuerySitesByCost *r)
 848 {
 849         DRSUAPI_UNSUPPORTED(drsuapi_QuerySitesByCost);
 850 }
 851
 852
 853 /* include the generated boilerplate */
 854 #include "librpc/gen_ndr/ndr_drsuapi_s.c"