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
 270         status = drs_security_level_check(dce_call, "DsReplicaSync", SECURITY_DOMAIN_CONTROLLER, NULL);
 271         if (!W_ERROR_IS_OK(status)) {
 272                 return status;
 273         }
 274
 275         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx, r, NDR_DRSUAPI_DSREPLICASYNC,
 276                                      &ndr_table_drsuapi,
 277                                      "dreplsrv", "DsReplicaSync",
 278                                      IRPC_CALL_TIMEOUT);
 279
 280         return WERR_OK;
 281 }
 282
 283
 284 /*
 285   drsuapi_DsReplicaAdd
 286 */
 287 static WERROR dcesrv_drsuapi_DsReplicaAdd(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 288                                           struct drsuapi_DsReplicaAdd *r)
 289 {
 290         DRSUAPI_UNSUPPORTED(drsuapi_DsReplicaAdd);
 291 }
 292
 293
 294 /*
 295   drsuapi_DsReplicaDel
 296 */
 297 static WERROR dcesrv_drsuapi_DsReplicaDel(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 298                                           struct drsuapi_DsReplicaDel *r)
 299 {
 300         DRSUAPI_UNSUPPORTED(drsuapi_DsReplicaDel);
 301 }
 302
 303
 304 /*
 305   drsuapi_DsReplicaModify
 306 */
 307 static WERROR dcesrv_drsuapi_DsReplicaMod(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 308                                           struct drsuapi_DsReplicaMod *r)
 309 {
 310         DRSUAPI_UNSUPPORTED(drsuapi_DsReplicaMod);
 311 }
 312
 313
 314 /*
 315   DRSUAPI_VERIFY_NAMES
 316 */
 317 static WERROR dcesrv_DRSUAPI_VERIFY_NAMES(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 318                        struct DRSUAPI_VERIFY_NAMES *r)
 319 {
 320         DRSUAPI_UNSUPPORTED(DRSUAPI_VERIFY_NAMES);
 321 }
 322
 323
 324 /*
 325   drsuapi_DsGetMemberships
 326 */
 327 static WERROR dcesrv_drsuapi_DsGetMemberships(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 328                        struct drsuapi_DsGetMemberships *r)
 329 {
 330         DRSUAPI_UNSUPPORTED(drsuapi_DsGetMemberships);
 331 }
 332
 333
 334 /*
 335   DRSUAPI_INTER_DOMAIN_MOVE
 336 */
 337 static WERROR dcesrv_DRSUAPI_INTER_DOMAIN_MOVE(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 338                        struct DRSUAPI_INTER_DOMAIN_MOVE *r)
 339 {
 340         DRSUAPI_UNSUPPORTED(DRSUAPI_INTER_DOMAIN_MOVE);
 341 }
 342
 343
 344 /*
 345   drsuapi_DsGetNT4ChangeLog
 346 */
 347 static WERROR dcesrv_drsuapi_DsGetNT4ChangeLog(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 348                        struct drsuapi_DsGetNT4ChangeLog *r)
 349 {
 350         DRSUAPI_UNSUPPORTED(drsuapi_DsGetNT4ChangeLog);
 351 }
 352
 353
 354 /*
 355   drsuapi_DsCrackNames
 356 */
 357 static WERROR dcesrv_drsuapi_DsCrackNames(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 358                             struct drsuapi_DsCrackNames *r)
 359 {
 360         WERROR status;
 361         struct drsuapi_bind_state *b_state;
 362         struct dcesrv_handle *h;
 363
 364         *r->out.level_out = r->in.level;
 365
 366         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 367         b_state = h->data;
 368
 369         r->out.ctr = talloc_zero(mem_ctx, union drsuapi_DsNameCtr);
 370         W_ERROR_HAVE_NO_MEMORY(r->out.ctr);
 371
 372         switch (r->in.level) {
 373                 case 1: {
 374                         struct drsuapi_DsNameCtr1 *ctr1;
 375                         struct drsuapi_DsNameInfo1 *names;
 376                         uint32_t i, count;
 377
 378                         ctr1 = talloc(mem_ctx, struct drsuapi_DsNameCtr1);
 379                         W_ERROR_HAVE_NO_MEMORY(ctr1);
 380
 381                         count = r->in.req->req1.count;
 382                         names = talloc_array(mem_ctx, struct drsuapi_DsNameInfo1, count);
 383                         W_ERROR_HAVE_NO_MEMORY(names);
 384
 385                         for (i=0; i < count; i++) {
 386                                 status = DsCrackNameOneName(b_state->sam_ctx, mem_ctx,
 387                                                             r->in.req->req1.format_flags,
 388                                                             r->in.req->req1.format_offered,
 389                                                             r->in.req->req1.format_desired,
 390                                                             r->in.req->req1.names[i].str,
 391                                                             &names[i]);
 392                                 if (!W_ERROR_IS_OK(status)) {
 393                                         return status;
 394                                 }
 395                         }
 396
 397                         ctr1->count = count;
 398                         ctr1->array = names;
 399                         r->out.ctr->ctr1 = ctr1;
 400
 401                         return WERR_OK;
 402                 }
 403         }
 404
 405         return WERR_UNKNOWN_LEVEL;
 406 }
 407
 408
 409 /*
 410   drsuapi_DsRemoveDSServer
 411 */
 412 static WERROR dcesrv_drsuapi_DsRemoveDSServer(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 413                                        struct drsuapi_DsRemoveDSServer *r)
 414 {
 415         struct drsuapi_bind_state *b_state;
 416         struct dcesrv_handle *h;
 417         struct ldb_dn *ntds_dn;
 418         int ret;
 419         bool ok;
 420         WERROR status;
 421
 422         *r->out.level_out = 1;
 423
 424         status = drs_security_level_check(dce_call, "DsRemoveDSServer", SECURITY_DOMAIN_CONTROLLER, NULL);
 425         if (!W_ERROR_IS_OK(status)) {
 426                 return status;
 427         }
 428
 429         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 430         b_state = h->data;
 431
 432         switch (r->in.level) {
 433         case 1:
 434                 ntds_dn = ldb_dn_new(mem_ctx, b_state->sam_ctx, r->in.req->req1.server_dn);
 435                 W_ERROR_HAVE_NO_MEMORY(ntds_dn);
 436
 437                 ok = ldb_dn_validate(ntds_dn);
 438                 if (!ok) {
 439                         return WERR_FOOBAR;
 440                 }
 441
 442                 /* TODO: it's likely that we need more checks here */
 443
 444                 ok = ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings");
 445                 if (!ok) {
 446                         return WERR_FOOBAR;
 447                 }
 448
 449                 if (r->in.req->req1.commit) {
 450                         ret = ldb_delete(b_state->sam_ctx, ntds_dn);
 451                         if (ret != LDB_SUCCESS) {
 452                                 return WERR_FOOBAR;
 453                         }
 454                 }
 455
 456                 return WERR_OK;
 457         default:
 458                 break;
 459         }
 460
 461         return WERR_FOOBAR;
 462 }
 463
 464
 465 /*
 466   DRSUAPI_REMOVE_DS_DOMAIN
 467 */
 468 static WERROR dcesrv_DRSUAPI_REMOVE_DS_DOMAIN(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 469                        struct DRSUAPI_REMOVE_DS_DOMAIN *r)
 470 {
 471         DRSUAPI_UNSUPPORTED(DRSUAPI_REMOVE_DS_DOMAIN);
 472 }
 473
 474 /* Obtain the site name from a server DN */
 475 static const char *result_site_name(struct ldb_dn *server_dn)
 476 {
 477         /* Format is cn=<NETBIOS name>,cn=Servers,cn=<site>,cn=sites.... */
 478         const struct ldb_val *val = ldb_dn_get_component_val(server_dn, 2);
 479         const char *name = ldb_dn_get_component_name(server_dn, 2);
 480
 481         if (!name || (ldb_attr_cmp(name, "cn") != 0)) {
 482                 /* Ensure this matches the format.  This gives us a
 483                  * bit more confidence that a 'cn' value will be a
 484                  * ascii string */
 485                 return NULL;
 486         }
 487         if (val) {
 488                 return (char *)val->data;
 489         }
 490         return NULL;
 491 }
 492
 493 /*
 494   drsuapi_DsGetDomainControllerInfo
 495 */
 496 static WERROR dcesrv_drsuapi_DsGetDomainControllerInfo_1(struct drsuapi_bind_state *b_state,
 497                                                 TALLOC_CTX *mem_ctx,
 498                                                 struct drsuapi_DsGetDomainControllerInfo *r)
 499 {
 500         struct ldb_dn *sites_dn;
 501         struct ldb_result *res;
 502
 503         const char *attrs_account_1[] = { "cn", "dnsHostName", NULL };
 504         const char *attrs_account_2[] = { "cn", "dnsHostName", "objectGUID", NULL };
 505
 506         const char *attrs_none[] = { NULL };
 507
 508         const char *attrs_site[] = { "objectGUID", NULL };
 509
 510         const char *attrs_ntds[] = { "options", "objectGUID", NULL };
 511
 512         const char *attrs_1[] = { "serverReference", "cn", "dnsHostName", NULL };
 513         const char *attrs_2[] = { "serverReference", "cn", "dnsHostName", "objectGUID", NULL };
 514         const char **attrs;
 515
 516         struct drsuapi_DsGetDCInfoCtr1 *ctr1;
 517         struct drsuapi_DsGetDCInfoCtr2 *ctr2;
 518
 519         int ret;
 520         unsigned int i;
 521
 522         *r->out.level_out = r->in.req->req1.level;
 523         r->out.ctr = talloc(mem_ctx, union drsuapi_DsGetDCInfoCtr);
 524         W_ERROR_HAVE_NO_MEMORY(r->out.ctr);
 525
 526         sites_dn = samdb_sites_dn(b_state->sam_ctx, mem_ctx);
 527         if (!sites_dn) {
 528                 return WERR_DS_OBJ_NOT_FOUND;
 529         }
 530
 531         switch (*r->out.level_out) {
 532         case -1:
 533                 /* this level is not like the others */
 534                 return WERR_UNKNOWN_LEVEL;
 535         case 1:
 536                 attrs = attrs_1;
 537                 break;
 538         case 2:
 539                 attrs = attrs_2;
 540                 break;
 541         default:
 542                 return WERR_UNKNOWN_LEVEL;
 543         }
 544
 545         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res, sites_dn, LDB_SCOPE_SUBTREE, attrs,
 546                                  "objectClass=server");
 547
 548         if (ret) {
 549                 DEBUG(1, ("searching for servers in sites DN %s failed: %s\n",
 550                           ldb_dn_get_linearized(sites_dn), ldb_errstring(b_state->sam_ctx)));
 551                 return WERR_GENERAL_FAILURE;
 552         }
 553
 554         switch (*r->out.level_out) {
 555         case 1:
 556                 ctr1 = &r->out.ctr->ctr1;
 557                 ctr1->count = res->count;
 558                 ctr1->array = talloc_zero_array(mem_ctx,
 559                                                 struct drsuapi_DsGetDCInfo1,
 560                                                 res->count);
 561                 for (i=0; i < res->count; i++) {
 562                         struct ldb_dn *domain_dn;
 563                         struct ldb_result *res_domain;
 564                         struct ldb_result *res_account;
 565                         struct ldb_dn *ntds_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 566
 567                         struct ldb_dn *ref_dn
 568                                 = ldb_msg_find_attr_as_dn(b_state->sam_ctx,
 569                                                           mem_ctx, res->msgs[i],
 570                                                           "serverReference");
 571
 572                         if (!ntds_dn || !ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings")) {
 573                                 return WERR_NOMEM;
 574                         }
 575
 576                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_account, ref_dn,
 577                                                  LDB_SCOPE_BASE, attrs_account_1, "objectClass=computer");
 578                         if (ret == LDB_SUCCESS && res_account->count == 1) {
 579                                 const char *errstr;
 580                                 ctr1->array[i].dns_name
 581                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "dNSHostName", NULL);
 582                                 ctr1->array[i].netbios_name
 583                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "cn", NULL);
 584                                 ctr1->array[i].computer_dn
 585                                         = ldb_dn_get_linearized(res_account->msgs[0]->dn);
 586
 587                                 /* Determine if this is the PDC */
 588                                 ret = samdb_search_for_parent_domain(b_state->sam_ctx,
 589                                                                      mem_ctx, res_account->msgs[0]->dn,
 590                                                                      &domain_dn, &errstr);
 591
 592                                 if (ret == LDB_SUCCESS) {
 593                                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_domain, domain_dn,
 594                                                                  LDB_SCOPE_BASE, attrs_none, "fSMORoleOwner=%s",
 595                                                                  ldb_dn_get_linearized(ntds_dn));
 596                                         if (ret) {
 597                                                 return WERR_GENERAL_FAILURE;
 598                                         }
 599                                         if (res_domain->count == 1) {
 600                                                 ctr1->array[i].is_pdc = true;
 601                                         }
 602                                 }
 603                         }
 604                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 605                                 DEBUG(5, ("warning: searching for computer DN %s failed: %s\n",
 606                                           ldb_dn_get_linearized(ref_dn), ldb_errstring(b_state->sam_ctx)));
 607                         }
 608
 609                         /* Look at server DN and extract site component */
 610                         ctr1->array[i].site_name = result_site_name(res->msgs[i]->dn);
 611                         ctr1->array[i].server_dn = ldb_dn_get_linearized(res->msgs[i]->dn);
 612
 613
 614                         ctr1->array[i].is_enabled = true;
 615
 616                 }
 617                 break;
 618         case 2:
 619                 ctr2 = &r->out.ctr->ctr2;
 620                 ctr2->count = res->count;
 621                 ctr2->array = talloc_zero_array(mem_ctx,
 622                                                  struct drsuapi_DsGetDCInfo2,
 623                                                  res->count);
 624                 for (i=0; i < res->count; i++) {
 625                         struct ldb_dn *domain_dn;
 626                         struct ldb_result *res_domain;
 627                         struct ldb_result *res_account;
 628                         struct ldb_dn *ntds_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 629                         struct ldb_result *res_ntds;
 630                         struct ldb_dn *site_dn = ldb_dn_copy(mem_ctx, res->msgs[i]->dn);
 631                         struct ldb_result *res_site;
 632                         struct ldb_dn *ref_dn
 633                                 = ldb_msg_find_attr_as_dn(b_state->sam_ctx,
 634                                                           mem_ctx, res->msgs[i],
 635                                                           "serverReference");
 636
 637                         if (!ntds_dn || !ldb_dn_add_child_fmt(ntds_dn, "CN=NTDS Settings")) {
 638                                 return WERR_NOMEM;
 639                         }
 640
 641                         /* Format is cn=<NETBIOS name>,cn=Servers,cn=<site>,cn=sites.... */
 642                         if (!site_dn || !ldb_dn_remove_child_components(site_dn, 2)) {
 643                                 return WERR_NOMEM;
 644                         }
 645
 646                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_ntds, ntds_dn,
 647                                                  LDB_SCOPE_BASE, attrs_ntds, "objectClass=nTDSDSA");
 648                         if (ret == LDB_SUCCESS && res_ntds->count == 1) {
 649                                 ctr2->array[i].is_gc
 650                                         = (ldb_msg_find_attr_as_int(res_ntds->msgs[0], "options", 0) == 1);
 651                                 ctr2->array[i].ntds_guid
 652                                         = samdb_result_guid(res_ntds->msgs[0], "objectGUID");
 653                                 ctr2->array[i].ntds_dn = ldb_dn_get_linearized(res_ntds->msgs[0]->dn);
 654                         }
 655                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 656                                 DEBUG(5, ("warning: searching for NTDS DN %s failed: %s\n",
 657                                           ldb_dn_get_linearized(ntds_dn), ldb_errstring(b_state->sam_ctx)));
 658                         }
 659
 660                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_site, site_dn,
 661                                                  LDB_SCOPE_BASE, attrs_site, "objectClass=site");
 662                         if (ret == LDB_SUCCESS && res_site->count == 1) {
 663                                 ctr2->array[i].site_guid
 664                                         = samdb_result_guid(res_site->msgs[0], "objectGUID");
 665                                 ctr2->array[i].site_dn = ldb_dn_get_linearized(res_site->msgs[0]->dn);
 666                         }
 667                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 668                                 DEBUG(5, ("warning: searching for site DN %s failed: %s\n",
 669                                           ldb_dn_get_linearized(site_dn), ldb_errstring(b_state->sam_ctx)));
 670                         }
 671
 672                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_account, ref_dn,
 673                                                  LDB_SCOPE_BASE, attrs_account_2, "objectClass=computer");
 674                         if (ret == LDB_SUCCESS && res_account->count == 1) {
 675                                 const char *errstr;
 676                                 ctr2->array[i].dns_name
 677                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "dNSHostName", NULL);
 678                                 ctr2->array[i].netbios_name
 679                                         = ldb_msg_find_attr_as_string(res_account->msgs[0], "cn", NULL);
 680                                 ctr2->array[i].computer_dn = ldb_dn_get_linearized(res_account->msgs[0]->dn);
 681                                 ctr2->array[i].computer_guid
 682                                         = samdb_result_guid(res_account->msgs[0], "objectGUID");
 683
 684                                 /* Determine if this is the PDC */
 685                                 ret = samdb_search_for_parent_domain(b_state->sam_ctx,
 686                                                                      mem_ctx, res_account->msgs[0]->dn,
 687                                                                      &domain_dn, &errstr);
 688
 689                                 if (ret == LDB_SUCCESS) {
 690                                         ret = ldb_search(b_state->sam_ctx, mem_ctx, &res_domain, domain_dn,
 691                                                                  LDB_SCOPE_BASE, attrs_none, "fSMORoleOwner=%s",
 692                                                                  ldb_dn_get_linearized(ntds_dn));
 693                                         if (ret == LDB_SUCCESS && res_domain->count == 1) {
 694                                                 ctr2->array[i].is_pdc = true;
 695                                         }
 696                                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 697                                                 DEBUG(5, ("warning: searching for domain DN %s failed: %s\n",
 698                                                           ldb_dn_get_linearized(domain_dn), ldb_errstring(b_state->sam_ctx)));
 699                                         }
 700                                 }
 701                         }
 702                         if ((ret != LDB_SUCCESS) && (ret != LDB_ERR_NO_SUCH_OBJECT)) {
 703                                 DEBUG(5, ("warning: searching for computer account DN %s failed: %s\n",
 704                                           ldb_dn_get_linearized(ref_dn), ldb_errstring(b_state->sam_ctx)));
 705                         }
 706
 707                         /* Look at server DN and extract site component */
 708                         ctr2->array[i].site_name = result_site_name(res->msgs[i]->dn);
 709                         ctr2->array[i].server_dn = ldb_dn_get_linearized(res->msgs[i]->dn);
 710                         ctr2->array[i].server_guid
 711                                 = samdb_result_guid(res->msgs[i], "objectGUID");
 712
 713                         ctr2->array[i].is_enabled = true;
 714
 715                 }
 716                 break;
 717         }
 718         return WERR_OK;
 719 }
 720
 721 /*
 722   drsuapi_DsGetDomainControllerInfo
 723 */
 724 static WERROR dcesrv_drsuapi_DsGetDomainControllerInfo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 725                                                 struct drsuapi_DsGetDomainControllerInfo *r)
 726 {
 727         struct dcesrv_handle *h;
 728         struct drsuapi_bind_state *b_state;
 729         DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
 730         b_state = h->data;
 731
 732         switch (r->in.level) {
 733         case 1:
 734                 return dcesrv_drsuapi_DsGetDomainControllerInfo_1(b_state, mem_ctx, r);
 735         }
 736
 737         return WERR_UNKNOWN_LEVEL;
 738 }
 739
 740
 741
 742 /*
 743   drsuapi_DsExecuteKCC
 744 */
 745 static WERROR dcesrv_drsuapi_DsExecuteKCC(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 746                                   struct drsuapi_DsExecuteKCC *r)
 747 {
 748         WERROR status;
 749         status = drs_security_level_check(dce_call, "DsExecuteKCC", SECURITY_DOMAIN_CONTROLLER, NULL);
 750
 751         if (!W_ERROR_IS_OK(status)) {
 752                 return status;
 753         }
 754
 755         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx, r, NDR_DRSUAPI_DSEXECUTEKCC,
 756                                      &ndr_table_drsuapi, "kccsrv", "DsExecuteKCC",
 757                                      IRPC_CALL_TIMEOUT);
 758         return WERR_OK;
 759 }
 760
 761
 762 /*
 763   drsuapi_DsReplicaGetInfo
 764 */
 765 static WERROR dcesrv_drsuapi_DsReplicaGetInfo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 766                        struct drsuapi_DsReplicaGetInfo *r)
 767 {
 768         enum security_user_level level;
 769
 770         if (!lpcfg_parm_bool(dce_call->conn->dce_ctx->lp_ctx, NULL,
 771                          "drs", "disable_sec_check", false)) {
 772                 level = security_session_user_level(dce_call->conn->auth_state.session_info, NULL);
 773                 if (level < SECURITY_ADMINISTRATOR) {
 774                         DEBUG(1,(__location__ ": Administrator access required for DsReplicaGetInfo\n"));
 775                         security_token_debug(2, dce_call->conn->auth_state.session_info->security_token);
 776                         return WERR_DS_DRA_ACCESS_DENIED;
 777                 }
 778         }
 779
 780         dcesrv_irpc_forward_rpc_call(dce_call, mem_ctx, r, NDR_DRSUAPI_DSREPLICAGETINFO,
 781                                      &ndr_table_drsuapi, "kccsrv", "DsReplicaGetInfo",
 782                                      IRPC_CALL_TIMEOUT);
 783
 784         return WERR_OK;
 785 }
 786
 787
 788 /*
 789   DRSUAPI_ADD_SID_HISTORY
 790 */
 791 static WERROR dcesrv_DRSUAPI_ADD_SID_HISTORY(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 792                        struct DRSUAPI_ADD_SID_HISTORY *r)
 793 {
 794         DRSUAPI_UNSUPPORTED(DRSUAPI_ADD_SID_HISTORY);
 795 }
 796
 797 /*
 798   drsuapi_DsGetMemberships2
 799 */
 800 static WERROR dcesrv_drsuapi_DsGetMemberships2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 801                        struct drsuapi_DsGetMemberships2 *r)
 802 {
 803         DRSUAPI_UNSUPPORTED(drsuapi_DsGetMemberships2);
 804 }
 805
 806 /*
 807   DRSUAPI_REPLICA_VERIFY_OBJECTS
 808 */
 809 static WERROR dcesrv_DRSUAPI_REPLICA_VERIFY_OBJECTS(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 810                        struct DRSUAPI_REPLICA_VERIFY_OBJECTS *r)
 811 {
 812         DRSUAPI_UNSUPPORTED(DRSUAPI_REPLICA_VERIFY_OBJECTS);
 813 }
 814
 815
 816 /*
 817   DRSUAPI_GET_OBJECT_EXISTENCE
 818 */
 819 static WERROR dcesrv_DRSUAPI_GET_OBJECT_EXISTENCE(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 820                        struct DRSUAPI_GET_OBJECT_EXISTENCE *r)
 821 {
 822         DRSUAPI_UNSUPPORTED(DRSUAPI_GET_OBJECT_EXISTENCE);
 823 }
 824
 825
 826 /*
 827   drsuapi_QuerySitesByCost
 828 */
 829 static WERROR dcesrv_drsuapi_QuerySitesByCost(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 830                        struct drsuapi_QuerySitesByCost *r)
 831 {
 832         DRSUAPI_UNSUPPORTED(drsuapi_QuerySitesByCost);
 833 }
 834
 835
 836 /* include the generated boilerplate */
 837 #include "librpc/gen_ndr/ndr_drsuapi_s.c"