source4/rpc_server/lsa/lsa_lookup.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    endpoint server for the lsarpc pipe
   5
   6    Copyright (C) Andrew Tridgell 2004
   7    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2007
   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 "rpc_server/lsa/lsa.h"
  24 #include "libds/common/flag_mapping.h"
  25
  26 static const struct {
  27         const char *domain;
  28         const char *name;
  29         const char *sid;
  30         enum lsa_SidType rtype;
  31 } well_known[] = {
  32         {
  33                 .name = "EVERYONE",
  34                 .sid = SID_WORLD,
  35                 .rtype = SID_NAME_WKN_GRP,
  36         },
  37         {
  38                 .name = "CREATOR OWNER",
  39                 .sid = SID_CREATOR_OWNER,
  40                 .rtype = SID_NAME_WKN_GRP,
  41         },
  42         {
  43                 .name = "CREATOR GROUP",
  44                 .sid = SID_CREATOR_GROUP,
  45                 .rtype = SID_NAME_WKN_GRP,
  46         },
  47         {
  48                 .name = "Owner Rights",
  49                 .sid = SID_OWNER_RIGHTS,
  50                 .rtype = SID_NAME_WKN_GRP,
  51         },
  52         {
  53                 .domain = "NT AUTHORITY",
  54                 .name = "Dialup",
  55                 .sid = SID_NT_DIALUP,
  56                 .rtype = SID_NAME_WKN_GRP,
  57         },
  58         {
  59                 .domain = "NT AUTHORITY",
  60                 .name = "Network",
  61                 .sid = SID_NT_NETWORK,
  62                 .rtype = SID_NAME_WKN_GRP,
  63         },
  64         {
  65                 .domain = "NT AUTHORITY",
  66                 .name = "Batch",
  67                 .sid = SID_NT_BATCH,
  68                 .rtype = SID_NAME_WKN_GRP,
  69         },
  70         {
  71                 .domain = "NT AUTHORITY",
  72                 .name = "Interactive",
  73                 .sid = SID_NT_INTERACTIVE,
  74                 .rtype = SID_NAME_WKN_GRP,
  75         },
  76         {
  77                 .domain = "NT AUTHORITY",
  78                 .name = "Service",
  79                 .sid = SID_NT_SERVICE,
  80                 .rtype = SID_NAME_WKN_GRP,
  81         },
  82         {
  83                 .domain = "NT AUTHORITY",
  84                 .name = "ANONYMOUS LOGON",
  85                 .sid = SID_NT_ANONYMOUS,
  86                 .rtype = SID_NAME_WKN_GRP,
  87         },
  88         {
  89                 .domain = "NT AUTHORITY",
  90                 .name = "Proxy",
  91                 .sid = SID_NT_PROXY,
  92                 .rtype = SID_NAME_WKN_GRP,
  93         },
  94         {
  95                 .domain = "NT AUTHORITY",
  96                 .name = "ServerLogon",
  97                 .sid = SID_NT_ENTERPRISE_DCS,
  98                 .rtype = SID_NAME_WKN_GRP,
  99         },
 100         {
 101                 .domain = "NT AUTHORITY",
 102                 .name = "Self",
 103                 .sid = SID_NT_SELF,
 104                 .rtype = SID_NAME_WKN_GRP,
 105         },
 106         {
 107                 .domain = "NT AUTHORITY",
 108                 .name = "Authenticated Users",
 109                 .sid = SID_NT_AUTHENTICATED_USERS,
 110                 .rtype = SID_NAME_WKN_GRP,
 111         },
 112         {
 113                 .domain = "NT AUTHORITY",
 114                 .name = "Restricted",
 115                 .sid = SID_NT_RESTRICTED,
 116                 .rtype = SID_NAME_WKN_GRP,
 117         },
 118         {
 119                 .domain = "NT AUTHORITY",
 120                 .name = "Terminal Server User",
 121                 .sid = SID_NT_TERMINAL_SERVER_USERS,
 122                 .rtype = SID_NAME_WKN_GRP,
 123         },
 124         {
 125                 .domain = "NT AUTHORITY",
 126                 .name = "Remote Interactive Logon",
 127                 .sid = SID_NT_REMOTE_INTERACTIVE,
 128                 .rtype = SID_NAME_WKN_GRP,
 129         },
 130         {
 131                 .domain = "NT AUTHORITY",
 132                 .name = "This Organization",
 133                 .sid = SID_NT_THIS_ORGANISATION,
 134                 .rtype = SID_NAME_WKN_GRP,
 135         },
 136         {
 137                 .domain = "NT AUTHORITY",
 138                 .name = "SYSTEM",
 139                 .sid = SID_NT_SYSTEM,
 140                 .rtype = SID_NAME_WKN_GRP,
 141         },
 142         {
 143                 .domain = "NT AUTHORITY",
 144                 .name = "Local Service",
 145                 .sid = SID_NT_LOCAL_SERVICE,
 146                 .rtype = SID_NAME_WKN_GRP,
 147         },
 148         {
 149                 .domain = "NT AUTHORITY",
 150                 .name = "Network Service",
 151                 .sid = SID_NT_NETWORK_SERVICE,
 152                 .rtype = SID_NAME_WKN_GRP,
 153         },
 154         {
 155                 .domain = "NT AUTHORITY",
 156                 .name = "Digest Authentication",
 157                 .sid = SID_NT_DIGEST_AUTHENTICATION,
 158                 .rtype = SID_NAME_WKN_GRP,
 159         },
 160         {
 161                 .domain = "NT AUTHORITY",
 162                 .name = "Enterprise Domain Controllers",
 163                 .sid = SID_NT_ENTERPRISE_DCS,
 164                 .rtype = SID_NAME_WKN_GRP,
 165         },
 166         {
 167                 .domain = "NT AUTHORITY",
 168                 .name = "NTLM Authentication",
 169                 .sid = SID_NT_NTLM_AUTHENTICATION,
 170                 .rtype = SID_NAME_WKN_GRP,
 171         },
 172         {
 173                 .domain = "NT AUTHORITY",
 174                 .name = "Other Organization",
 175                 .sid = SID_NT_OTHER_ORGANISATION,
 176                 .rtype = SID_NAME_WKN_GRP,
 177         },
 178         {
 179                 .domain = "NT AUTHORITY",
 180                 .name = "SChannel Authentication",
 181                 .sid = SID_NT_SCHANNEL_AUTHENTICATION,
 182                 .rtype = SID_NAME_WKN_GRP,
 183         },
 184         {
 185                 .domain = "NT AUTHORITY",
 186                 .name = "IUSR",
 187                 .sid = SID_NT_IUSR,
 188                 .rtype = SID_NAME_WKN_GRP,
 189         },
 190         {
 191                 .sid = NULL,
 192         }
 193 };
 194
 195 static NTSTATUS lookup_well_known_names(TALLOC_CTX *mem_ctx, const char *domain,
 196                                         const char *name, const char **authority_name,
 197                                         struct dom_sid **sid, enum lsa_SidType *rtype)
 198 {
 199         unsigned int i;
 200         for (i=0; well_known[i].sid; i++) {
 201                 if (domain) {
 202                         if (strcasecmp_m(domain, well_known[i].domain) == 0
 203                             && strcasecmp_m(name, well_known[i].name) == 0) {
 204                                 *authority_name = well_known[i].domain;
 205                                 *sid = dom_sid_parse_talloc(mem_ctx, well_known[i].sid);
 206                                 *rtype = well_known[i].rtype;
 207                                 return NT_STATUS_OK;
 208                         }
 209                 } else {
 210                         if (strcasecmp_m(name, well_known[i].name) == 0) {
 211                                 *authority_name = well_known[i].domain;
 212                                 *sid = dom_sid_parse_talloc(mem_ctx, well_known[i].sid);
 213                                 *rtype = well_known[i].rtype;
 214                                 return NT_STATUS_OK;
 215                         }
 216                 }
 217         }
 218         return NT_STATUS_NOT_FOUND;
 219 }
 220
 221 static NTSTATUS lookup_well_known_sids(TALLOC_CTX *mem_ctx,
 222                                        const char *sid_str, const char **authority_name,
 223                                        const char **name, enum lsa_SidType *rtype)
 224 {
 225         unsigned int i;
 226         for (i=0; well_known[i].sid; i++) {
 227                 if (strcasecmp_m(sid_str, well_known[i].sid) == 0) {
 228                         *authority_name = well_known[i].domain;
 229                         *name = well_known[i].name;
 230                         *rtype = well_known[i].rtype;
 231                         return NT_STATUS_OK;
 232                 }
 233         }
 234         return NT_STATUS_NOT_FOUND;
 235 }
 236
 237 /*
 238   lookup a SID for 1 name
 239 */
 240 static NTSTATUS dcesrv_lsa_lookup_name(struct tevent_context *ev_ctx,
 241                                        struct loadparm_context *lp_ctx,
 242                                        struct lsa_policy_state *state, TALLOC_CTX *mem_ctx,
 243                                        const char *name, const char **authority_name,
 244                                        struct dom_sid **sid, enum lsa_SidType *rtype,
 245                                        uint32_t *rid)
 246 {
 247         int ret, i;
 248         uint32_t atype;
 249         struct ldb_message **res;
 250         const char * const attrs[] = { "objectSid", "sAMAccountType", NULL};
 251         const char *p;
 252         const char *domain;
 253         const char *username;
 254         struct ldb_dn *domain_dn;
 255         struct dom_sid *domain_sid;
 256         NTSTATUS status;
 257
 258         p = strchr_m(name, '\\');
 259         if (p != NULL) {
 260                 domain = talloc_strndup(mem_ctx, name, p-name);
 261                 if (!domain) {
 262                         return NT_STATUS_NO_MEMORY;
 263                 }
 264                 username = p + 1;
 265         } else if (strchr_m(name, '@')) {
 266                 status = crack_name_to_nt4_name(mem_ctx, ev_ctx, lp_ctx, DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL, name, &domain, &username);
 267                 if (!NT_STATUS_IS_OK(status)) {
 268                         DEBUG(3, ("Failed to crack name %s into an NT4 name: %s\n", name, nt_errstr(status)));
 269                         return status;
 270                 }
 271         } else {
 272                 domain = NULL;
 273                 username = name;
 274         }
 275
 276         if (!domain) {
 277                 /* Look up table of well known names */
 278                 status = lookup_well_known_names(mem_ctx, NULL, username, authority_name, sid, rtype);
 279                 if (NT_STATUS_IS_OK(status)) {
 280                         dom_sid_split_rid(NULL, *sid, NULL, rid);
 281                         return NT_STATUS_OK;
 282                 }
 283
 284                 if (username == NULL) {
 285                         *authority_name = NAME_BUILTIN;
 286                         *sid = dom_sid_parse_talloc(mem_ctx, SID_BUILTIN);
 287                         *rtype = SID_NAME_DOMAIN;
 288                         *rid = 0xFFFFFFFF;
 289                         return NT_STATUS_OK;
 290                 }
 291
 292                 if (strcasecmp_m(username, NAME_NT_AUTHORITY) == 0) {
 293                         *authority_name = NAME_NT_AUTHORITY;
 294                         *sid =  dom_sid_parse_talloc(mem_ctx, SID_NT_AUTHORITY);
 295                         *rtype = SID_NAME_DOMAIN;
 296                         dom_sid_split_rid(NULL, *sid, NULL, rid);
 297                         return NT_STATUS_OK;
 298                 }
 299                 if (strcasecmp_m(username, NAME_BUILTIN) == 0) {
 300                         *authority_name = NAME_BUILTIN;
 301                         *sid = dom_sid_parse_talloc(mem_ctx, SID_BUILTIN);
 302                         *rtype = SID_NAME_DOMAIN;
 303                         *rid = 0xFFFFFFFF;
 304                         return NT_STATUS_OK;
 305                 }
 306                 if (strcasecmp_m(username, state->domain_dns) == 0) {
 307                         *authority_name = state->domain_name;
 308                         *sid =  state->domain_sid;
 309                         *rtype = SID_NAME_DOMAIN;
 310                         *rid = 0xFFFFFFFF;
 311                         return NT_STATUS_OK;
 312                 }
 313                 if (strcasecmp_m(username, state->domain_name) == 0) {
 314                         *authority_name = state->domain_name;
 315                         *sid =  state->domain_sid;
 316                         *rtype = SID_NAME_DOMAIN;
 317                         *rid = 0xFFFFFFFF;
 318                         return NT_STATUS_OK;
 319                 }
 320
 321                 /* Perhaps this is a well known user? */
 322                 name = talloc_asprintf(mem_ctx, "%s\\%s", NAME_NT_AUTHORITY, username);
 323                 if (!name) {
 324                         return NT_STATUS_NO_MEMORY;
 325                 }
 326                 status = dcesrv_lsa_lookup_name(ev_ctx, lp_ctx, state, mem_ctx, name, authority_name, sid, rtype, rid);
 327                 if (NT_STATUS_IS_OK(status)) {
 328                         return status;
 329                 }
 330
 331                 /* Perhaps this is a BUILTIN user? */
 332                 name = talloc_asprintf(mem_ctx, "%s\\%s", NAME_BUILTIN, username);
 333                 if (!name) {
 334                         return NT_STATUS_NO_MEMORY;
 335                 }
 336                 status = dcesrv_lsa_lookup_name(ev_ctx, lp_ctx, state, mem_ctx, name, authority_name, sid, rtype, rid);
 337                 if (NT_STATUS_IS_OK(status)) {
 338                         return status;
 339                 }
 340
 341                 /* OK, I give up - perhaps we need to assume the user is in our domain? */
 342                 name = talloc_asprintf(mem_ctx, "%s\\%s", state->domain_name, username);
 343                 if (!name) {
 344                         return NT_STATUS_NO_MEMORY;
 345                 }
 346                 status = dcesrv_lsa_lookup_name(ev_ctx, lp_ctx, state, mem_ctx, name, authority_name, sid, rtype, rid);
 347                 if (NT_STATUS_IS_OK(status)) {
 348                         return status;
 349                 }
 350
 351                 return STATUS_SOME_UNMAPPED;
 352         } else if (strcasecmp_m(domain, NAME_NT_AUTHORITY) == 0) {
 353                 if (!*username) {
 354                         *authority_name = NAME_NT_AUTHORITY;
 355                         *sid = dom_sid_parse_talloc(mem_ctx, SID_NT_AUTHORITY);
 356                         *rtype = SID_NAME_DOMAIN;
 357                         dom_sid_split_rid(NULL, *sid, NULL, rid);
 358                         return NT_STATUS_OK;
 359                 }
 360
 361                 /* Look up table of well known names */
 362                 status = lookup_well_known_names(mem_ctx, domain, username, authority_name,
 363                                                  sid, rtype);
 364                 if (NT_STATUS_IS_OK(status)) {
 365                         dom_sid_split_rid(NULL, *sid, NULL, rid);
 366                 }
 367                 return status;
 368         } else if (strcasecmp_m(domain, NAME_BUILTIN) == 0) {
 369                 *authority_name = NAME_BUILTIN;
 370                 domain_dn = state->builtin_dn;
 371         } else if (strcasecmp_m(domain, state->domain_dns) == 0) {
 372                 *authority_name = state->domain_name;
 373                 domain_dn = state->domain_dn;
 374         } else if (strcasecmp_m(domain, state->domain_name) == 0) {
 375                 *authority_name = state->domain_name;
 376                 domain_dn = state->domain_dn;
 377         } else {
 378                 /* Not local, need to ask winbind in future */
 379                 return STATUS_SOME_UNMAPPED;
 380         }
 381
 382         ret = gendb_search_dn(state->sam_ldb, mem_ctx, domain_dn, &res, attrs);
 383         if (ret != 1) {
 384                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 385         }
 386         domain_sid = samdb_result_dom_sid(mem_ctx, res[0], "objectSid");
 387         if (domain_sid == NULL) {
 388                 return NT_STATUS_INVALID_SID;
 389         }
 390
 391         if (!*username) {
 392                 *sid = domain_sid;
 393                 *rtype = SID_NAME_DOMAIN;
 394                 *rid = 0xFFFFFFFF;
 395                 return NT_STATUS_OK;
 396         }
 397
 398         ret = gendb_search(state->sam_ldb, mem_ctx, domain_dn, &res, attrs,
 399                            "(&(sAMAccountName=%s)(objectSid=*))",
 400                            ldb_binary_encode_string(mem_ctx, username));
 401         if (ret < 0) {
 402                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 403         }
 404
 405         for (i=0; i < ret; i++) {
 406                 *sid = samdb_result_dom_sid(mem_ctx, res[i], "objectSid");
 407                 if (*sid == NULL) {
 408                         return NT_STATUS_INVALID_SID;
 409                 }
 410
 411                 /* Check that this is in the domain */
 412                 if (!dom_sid_in_domain(domain_sid, *sid)) {
 413                         continue;
 414                 }
 415
 416                 atype = ldb_msg_find_attr_as_uint(res[i], "sAMAccountType", 0);
 417
 418                 *rtype = ds_atype_map(atype);
 419                 if (*rtype == SID_NAME_UNKNOWN) {
 420                         return STATUS_SOME_UNMAPPED;
 421                 }
 422
 423                 dom_sid_split_rid(NULL, *sid, NULL, rid);
 424                 return NT_STATUS_OK;
 425         }
 426
 427         /* need to check for an allocated sid */
 428
 429         return NT_STATUS_INVALID_SID;
 430 }
 431
 432
 433 /*
 434   add to the lsa_RefDomainList for LookupSids and LookupNames
 435 */
 436 static NTSTATUS dcesrv_lsa_authority_list(struct lsa_policy_state *state, TALLOC_CTX *mem_ctx,
 437                                           enum lsa_SidType rtype,
 438                                           const char *authority_name,
 439                                           struct dom_sid *sid,
 440                                           struct lsa_RefDomainList *domains,
 441                                           uint32_t *sid_index)
 442 {
 443         struct dom_sid *authority_sid;
 444         uint32_t i;
 445
 446         if (rtype != SID_NAME_DOMAIN) {
 447                 authority_sid = dom_sid_dup(mem_ctx, sid);
 448                 if (authority_sid == NULL) {
 449                         return NT_STATUS_NO_MEMORY;
 450                 }
 451                 authority_sid->num_auths--;
 452         } else {
 453                 authority_sid = sid;
 454         }
 455
 456         /* see if we've already done this authority name */
 457         for (i=0;i<domains->count;i++) {
 458                 if (strcasecmp_m(authority_name, domains->domains[i].name.string) == 0) {
 459                         *sid_index = i;
 460                         return NT_STATUS_OK;
 461                 }
 462         }
 463
 464         domains->domains = talloc_realloc(domains,
 465                                           domains->domains,
 466                                           struct lsa_DomainInfo,
 467                                           domains->count+1);
 468         if (domains->domains == NULL) {
 469                 return NT_STATUS_NO_MEMORY;
 470         }
 471         domains->domains[i].name.string = authority_name;
 472         domains->domains[i].sid         = authority_sid;
 473         domains->count++;
 474         domains->max_size = LSA_REF_DOMAIN_LIST_MULTIPLIER * domains->count;
 475         *sid_index = i;
 476
 477         return NT_STATUS_OK;
 478 }
 479
 480 /*
 481   lookup a name for 1 SID
 482 */
 483 static NTSTATUS dcesrv_lsa_lookup_sid(struct lsa_policy_state *state, TALLOC_CTX *mem_ctx,
 484                                       struct dom_sid *sid, const char *sid_str,
 485                                       const char **authority_name,
 486                                       const char **name, enum lsa_SidType *rtype)
 487 {
 488         NTSTATUS status;
 489         int ret;
 490         uint32_t atype;
 491         struct ldb_message **res;
 492         struct ldb_dn *domain_dn;
 493         const char * const attrs[] = { "sAMAccountName", "sAMAccountType", "cn", NULL};
 494
 495         status = lookup_well_known_sids(mem_ctx, sid_str, authority_name, name, rtype);
 496         if (NT_STATUS_IS_OK(status)) {
 497                 return status;
 498         }
 499
 500         if (dom_sid_in_domain(state->domain_sid, sid)) {
 501                 *authority_name = state->domain_name;
 502                 domain_dn = state->domain_dn;
 503         } else if (dom_sid_in_domain(state->builtin_sid, sid)) {
 504                 *authority_name = NAME_BUILTIN;
 505                 domain_dn = state->builtin_dn;
 506         } else {
 507                 /* Not well known, our domain or built in */
 508
 509                 /* In future, we must look at SID histories, and at trusted domains via winbind */
 510
 511                 return NT_STATUS_NOT_FOUND;
 512         }
 513
 514         /* need to re-add a check for an allocated sid */
 515
 516         ret = gendb_search(state->sam_ldb, mem_ctx, domain_dn, &res, attrs,
 517                            "objectSid=%s", ldap_encode_ndr_dom_sid(mem_ctx, sid));
 518         if ((ret < 0) || (ret > 1)) {
 519                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 520         }
 521         if (ret == 0) {
 522                 return NT_STATUS_NOT_FOUND;
 523         }
 524
 525         *name = ldb_msg_find_attr_as_string(res[0], "sAMAccountName", NULL);
 526         if (!*name) {
 527                 *name = ldb_msg_find_attr_as_string(res[0], "cn", NULL);
 528                 if (!*name) {
 529                         *name = talloc_strdup(mem_ctx, sid_str);
 530                         NT_STATUS_HAVE_NO_MEMORY(*name);
 531                 }
 532         }
 533
 534         atype = ldb_msg_find_attr_as_uint(res[0], "sAMAccountType", 0);
 535         *rtype = ds_atype_map(atype);
 536
 537         return NT_STATUS_OK;
 538 }
 539
 540
 541 /*
 542   lsa_LookupSids2
 543 */
 544 NTSTATUS dcesrv_lsa_LookupSids2(struct dcesrv_call_state *dce_call,
 545                                 TALLOC_CTX *mem_ctx,
 546                                 struct lsa_LookupSids2 *r)
 547 {
 548         struct lsa_policy_state *state;
 549         struct lsa_RefDomainList *domains = NULL;
 550         uint32_t i;
 551         NTSTATUS status = NT_STATUS_OK;
 552
 553         if (r->in.level < LSA_LOOKUP_NAMES_ALL ||
 554             r->in.level > LSA_LOOKUP_NAMES_RODC_REFERRAL_TO_FULL_DC) {
 555                 return NT_STATUS_INVALID_PARAMETER;
 556         }
 557
 558         *r->out.domains = NULL;
 559
 560         /* NOTE: the WSPP test suite tries SIDs with invalid revision numbers,
 561            and expects NT_STATUS_INVALID_PARAMETER back - we just treat it as
 562            an unknown SID. We could add a SID validator here. (tridge)
 563            MS-DTYP 2.4.2
 564         */
 565
 566         status = dcesrv_lsa_get_policy_state(dce_call, mem_ctx, &state);
 567         if (!NT_STATUS_IS_OK(status)) {
 568                 return status;
 569         }
 570
 571         domains = talloc_zero(r->out.domains,  struct lsa_RefDomainList);
 572         if (domains == NULL) {
 573                 return NT_STATUS_NO_MEMORY;
 574         }
 575         *r->out.domains = domains;
 576
 577         r->out.names = talloc_zero(mem_ctx,  struct lsa_TransNameArray2);
 578         if (r->out.names == NULL) {
 579                 return NT_STATUS_NO_MEMORY;
 580         }
 581
 582         *r->out.count = 0;
 583
 584         r->out.names->names = talloc_array(r->out.names, struct lsa_TranslatedName2,
 585                                              r->in.sids->num_sids);
 586         if (r->out.names->names == NULL) {
 587                 return NT_STATUS_NO_MEMORY;
 588         }
 589
 590         for (i=0;i<r->in.sids->num_sids;i++) {
 591                 struct dom_sid *sid = r->in.sids->sids[i].sid;
 592                 char *sid_str = dom_sid_string(mem_ctx, sid);
 593                 const char *name, *authority_name;
 594                 enum lsa_SidType rtype;
 595                 uint32_t sid_index;
 596                 NTSTATUS status2;
 597
 598                 r->out.names->count++;
 599
 600                 r->out.names->names[i].sid_type    = SID_NAME_UNKNOWN;
 601                 r->out.names->names[i].name.string = sid_str;
 602                 r->out.names->names[i].sid_index   = 0xFFFFFFFF;
 603                 r->out.names->names[i].unknown     = 0;
 604
 605                 if (sid_str == NULL) {
 606                         r->out.names->names[i].name.string = "(SIDERROR)";
 607                         status = STATUS_SOME_UNMAPPED;
 608                         continue;
 609                 }
 610
 611                 status2 = dcesrv_lsa_lookup_sid(state, mem_ctx, sid, sid_str,
 612                                                 &authority_name, &name, &rtype);
 613                 if (!NT_STATUS_IS_OK(status2)) {
 614                         status = STATUS_SOME_UNMAPPED;
 615                         continue;
 616                 }
 617
 618                 /* set up the authority table */
 619                 status2 = dcesrv_lsa_authority_list(state, mem_ctx, rtype,
 620                                                     authority_name, sid,
 621                                                     domains, &sid_index);
 622                 if (!NT_STATUS_IS_OK(status2)) {
 623                         continue;
 624                 }
 625
 626                 r->out.names->names[i].sid_type    = rtype;
 627                 r->out.names->names[i].name.string = name;
 628                 r->out.names->names[i].sid_index   = sid_index;
 629                 r->out.names->names[i].unknown     = 0;
 630
 631                 (*r->out.count)++;
 632         }
 633
 634         if (*r->out.count == 0) {
 635                 return NT_STATUS_NONE_MAPPED;
 636         }
 637         if (*r->out.count != r->in.sids->num_sids) {
 638                 return STATUS_SOME_UNMAPPED;
 639         }
 640
 641         return NT_STATUS_OK;
 642 }
 643
 644
 645 /*
 646   lsa_LookupSids3
 647
 648   Identical to LookupSids2, but doesn't take a policy handle
 649
 650 */
 651 NTSTATUS dcesrv_lsa_LookupSids3(struct dcesrv_call_state *dce_call,
 652                                 TALLOC_CTX *mem_ctx,
 653                                 struct lsa_LookupSids3 *r)
 654 {
 655         struct lsa_LookupSids2 r2;
 656         struct lsa_OpenPolicy2 pol;
 657         NTSTATUS status;
 658         struct dcesrv_handle *h;
 659
 660         ZERO_STRUCT(r2);
 661
 662         /* No policy handle on the wire, so make one up here */
 663         r2.in.handle = talloc(mem_ctx, struct policy_handle);
 664         if (!r2.in.handle) {
 665                 return NT_STATUS_NO_MEMORY;
 666         }
 667
 668         pol.out.handle = r2.in.handle;
 669         pol.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 670         pol.in.attr = NULL;
 671         pol.in.system_name = NULL;
 672         status = dcesrv_lsa_OpenPolicy2(dce_call, mem_ctx, &pol);
 673         if (!NT_STATUS_IS_OK(status)) {
 674                 return status;
 675         }
 676
 677         /* ensure this handle goes away at the end of this call */
 678         DCESRV_PULL_HANDLE(h, r2.in.handle, LSA_HANDLE_POLICY);
 679         talloc_steal(mem_ctx, h);
 680
 681         r2.in.sids     = r->in.sids;
 682         r2.in.names    = r->in.names;
 683         r2.in.level    = r->in.level;
 684         r2.in.count    = r->in.count;
 685         r2.in.lookup_options = r->in.lookup_options;
 686         r2.in.client_revision = r->in.client_revision;
 687         r2.out.count   = r->out.count;
 688         r2.out.names   = r->out.names;
 689         r2.out.domains = r->out.domains;
 690
 691         status = dcesrv_lsa_LookupSids2(dce_call, mem_ctx, &r2);
 692
 693         r->out.domains = r2.out.domains;
 694         r->out.names   = r2.out.names;
 695         r->out.count   = r2.out.count;
 696
 697         return status;
 698 }
 699
 700
 701 /*
 702   lsa_LookupSids
 703 */
 704 NTSTATUS dcesrv_lsa_LookupSids(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 705                                struct lsa_LookupSids *r)
 706 {
 707         struct lsa_LookupSids2 r2;
 708         NTSTATUS status;
 709         uint32_t i;
 710
 711         ZERO_STRUCT(r2);
 712
 713         r2.in.handle   = r->in.handle;
 714         r2.in.sids     = r->in.sids;
 715         r2.in.names    = NULL;
 716         r2.in.level    = r->in.level;
 717         r2.in.count    = r->in.count;
 718         r2.in.lookup_options = 0;
 719         r2.in.client_revision = 0;
 720         r2.out.count   = r->out.count;
 721         r2.out.names   = NULL;
 722         r2.out.domains = r->out.domains;
 723
 724         status = dcesrv_lsa_LookupSids2(dce_call, mem_ctx, &r2);
 725         /* we deliberately don't check for error from the above,
 726            as even on error we are supposed to return the names  */
 727
 728         r->out.domains = r2.out.domains;
 729         if (!r2.out.names) {
 730                 r->out.names = NULL;
 731                 return status;
 732         }
 733
 734         r->out.names = talloc(mem_ctx, struct lsa_TransNameArray);
 735         if (r->out.names == NULL) {
 736                 return NT_STATUS_NO_MEMORY;
 737         }
 738         r->out.names->count = r2.out.names->count;
 739         r->out.names->names = talloc_array(r->out.names, struct lsa_TranslatedName,
 740                                              r->out.names->count);
 741         if (r->out.names->names == NULL) {
 742                 return NT_STATUS_NO_MEMORY;
 743         }
 744         for (i=0;i<r->out.names->count;i++) {
 745                 r->out.names->names[i].sid_type    = r2.out.names->names[i].sid_type;
 746                 r->out.names->names[i].name.string = r2.out.names->names[i].name.string;
 747                 r->out.names->names[i].sid_index   = r2.out.names->names[i].sid_index;
 748         }
 749
 750         return status;
 751 }
 752
 753
 754 /*
 755   lsa_LookupNames3
 756 */
 757 NTSTATUS dcesrv_lsa_LookupNames3(struct dcesrv_call_state *dce_call,
 758                                  TALLOC_CTX *mem_ctx,
 759                                  struct lsa_LookupNames3 *r)
 760 {
 761         struct lsa_policy_state *policy_state;
 762         struct dcesrv_handle *policy_handle;
 763         uint32_t i;
 764         struct loadparm_context *lp_ctx = dce_call->conn->dce_ctx->lp_ctx;
 765         struct lsa_RefDomainList *domains;
 766
 767         DCESRV_PULL_HANDLE(policy_handle, r->in.handle, LSA_HANDLE_POLICY);
 768
 769         if (r->in.level < LSA_LOOKUP_NAMES_ALL ||
 770             r->in.level > LSA_LOOKUP_NAMES_RODC_REFERRAL_TO_FULL_DC) {
 771                 return NT_STATUS_INVALID_PARAMETER;
 772         }
 773
 774         policy_state = policy_handle->data;
 775
 776         *r->out.domains = NULL;
 777
 778         domains = talloc_zero(mem_ctx,  struct lsa_RefDomainList);
 779         if (domains == NULL) {
 780                 return NT_STATUS_NO_MEMORY;
 781         }
 782         *r->out.domains = domains;
 783
 784         r->out.sids = talloc_zero(mem_ctx,  struct lsa_TransSidArray3);
 785         if (r->out.sids == NULL) {
 786                 return NT_STATUS_NO_MEMORY;
 787         }
 788
 789         *r->out.count = 0;
 790
 791         r->out.sids->sids = talloc_array(r->out.sids, struct lsa_TranslatedSid3,
 792                                            r->in.num_names);
 793         if (r->out.sids->sids == NULL) {
 794                 return NT_STATUS_NO_MEMORY;
 795         }
 796
 797         for (i=0;i<r->in.num_names;i++) {
 798                 const char *name = r->in.names[i].string;
 799                 const char *authority_name;
 800                 struct dom_sid *sid;
 801                 uint32_t sid_index, rid;
 802                 enum lsa_SidType rtype;
 803                 NTSTATUS status2;
 804
 805                 r->out.sids->count++;
 806
 807                 r->out.sids->sids[i].sid_type    = SID_NAME_UNKNOWN;
 808                 r->out.sids->sids[i].sid         = NULL;
 809                 r->out.sids->sids[i].sid_index   = 0xFFFFFFFF;
 810                 r->out.sids->sids[i].flags       = 0;
 811
 812                 status2 = dcesrv_lsa_lookup_name(dce_call->event_ctx, lp_ctx, policy_state, mem_ctx, name,
 813                                                  &authority_name, &sid, &rtype, &rid);
 814                 if (!NT_STATUS_IS_OK(status2) || sid->num_auths == 0) {
 815                         continue;
 816                 }
 817
 818                 status2 = dcesrv_lsa_authority_list(policy_state, mem_ctx, rtype, authority_name,
 819                                                     sid, domains, &sid_index);
 820                 if (!NT_STATUS_IS_OK(status2)) {
 821                         continue;
 822                 }
 823
 824                 r->out.sids->sids[i].sid_type    = rtype;
 825                 r->out.sids->sids[i].sid         = sid;
 826                 r->out.sids->sids[i].sid_index   = sid_index;
 827                 r->out.sids->sids[i].flags       = 0;
 828
 829                 (*r->out.count)++;
 830         }
 831
 832         if (*r->out.count == 0) {
 833                 return NT_STATUS_NONE_MAPPED;
 834         }
 835         if (*r->out.count != r->in.num_names) {
 836                 return STATUS_SOME_UNMAPPED;
 837         }
 838
 839         return NT_STATUS_OK;
 840 }
 841
 842 /*
 843   lsa_LookupNames4
 844
 845   Identical to LookupNames3, but doesn't take a policy handle
 846
 847 */
 848 NTSTATUS dcesrv_lsa_LookupNames4(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 849                                  struct lsa_LookupNames4 *r)
 850 {
 851         struct lsa_LookupNames3 r2;
 852         struct lsa_OpenPolicy2 pol;
 853         NTSTATUS status;
 854         struct dcesrv_handle *h;
 855
 856         ZERO_STRUCT(r2);
 857
 858         /* No policy handle on the wire, so make one up here */
 859         r2.in.handle = talloc(mem_ctx, struct policy_handle);
 860         if (!r2.in.handle) {
 861                 return NT_STATUS_NO_MEMORY;
 862         }
 863
 864         pol.out.handle = r2.in.handle;
 865         pol.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 866         pol.in.attr = NULL;
 867         pol.in.system_name = NULL;
 868         status = dcesrv_lsa_OpenPolicy2(dce_call, mem_ctx, &pol);
 869         if (!NT_STATUS_IS_OK(status)) {
 870                 return status;
 871         }
 872
 873         /* ensure this handle goes away at the end of this call */
 874         DCESRV_PULL_HANDLE(h, r2.in.handle, LSA_HANDLE_POLICY);
 875         talloc_steal(mem_ctx, h);
 876
 877         r2.in.num_names = r->in.num_names;
 878         r2.in.names = r->in.names;
 879         r2.in.level = r->in.level;
 880         r2.in.sids = r->in.sids;
 881         r2.in.count = r->in.count;
 882         r2.in.lookup_options = r->in.lookup_options;
 883         r2.in.client_revision = r->in.client_revision;
 884         r2.out.domains = r->out.domains;
 885         r2.out.sids = r->out.sids;
 886         r2.out.count = r->out.count;
 887
 888         status = dcesrv_lsa_LookupNames3(dce_call, mem_ctx, &r2);
 889
 890         r->out.domains = r2.out.domains;
 891         r->out.sids = r2.out.sids;
 892         r->out.count = r2.out.count;
 893         return status;
 894 }
 895
 896 /*
 897   lsa_LookupNames2
 898 */
 899 NTSTATUS dcesrv_lsa_LookupNames2(struct dcesrv_call_state *dce_call,
 900                                  TALLOC_CTX *mem_ctx,
 901                                  struct lsa_LookupNames2 *r)
 902 {
 903         struct lsa_policy_state *state;
 904         struct dcesrv_handle *h;
 905         uint32_t i;
 906         struct loadparm_context *lp_ctx = dce_call->conn->dce_ctx->lp_ctx;
 907         struct lsa_RefDomainList *domains;
 908
 909         *r->out.domains = NULL;
 910
 911         DCESRV_PULL_HANDLE(h, r->in.handle, LSA_HANDLE_POLICY);
 912
 913         if (r->in.level < LSA_LOOKUP_NAMES_ALL ||
 914             r->in.level > LSA_LOOKUP_NAMES_RODC_REFERRAL_TO_FULL_DC) {
 915                 return NT_STATUS_INVALID_PARAMETER;
 916         }
 917
 918         state = h->data;
 919
 920         domains = talloc_zero(mem_ctx,  struct lsa_RefDomainList);
 921         if (domains == NULL) {
 922                 return NT_STATUS_NO_MEMORY;
 923         }
 924         *r->out.domains = domains;
 925
 926         r->out.sids = talloc_zero(mem_ctx,  struct lsa_TransSidArray2);
 927         if (r->out.sids == NULL) {
 928                 return NT_STATUS_NO_MEMORY;
 929         }
 930
 931         *r->out.count = 0;
 932
 933         r->out.sids->sids = talloc_array(r->out.sids, struct lsa_TranslatedSid2,
 934                                            r->in.num_names);
 935         if (r->out.sids->sids == NULL) {
 936                 return NT_STATUS_NO_MEMORY;
 937         }
 938
 939         for (i=0;i<r->in.num_names;i++) {
 940                 const char *name = r->in.names[i].string;
 941                 const char *authority_name;
 942                 struct dom_sid *sid;
 943                 uint32_t sid_index, rid=0;
 944                 enum lsa_SidType rtype;
 945                 NTSTATUS status2;
 946
 947                 r->out.sids->count++;
 948
 949                 r->out.sids->sids[i].sid_type    = SID_NAME_UNKNOWN;
 950                 /* MS-LSAT 3.1.4.7 - rid zero is considered equivalent
 951                    to sid NULL - so we should return 0 rid for
 952                    unmapped entries */
 953                 r->out.sids->sids[i].rid         = 0;
 954                 r->out.sids->sids[i].sid_index   = 0xFFFFFFFF;
 955                 r->out.sids->sids[i].unknown     = 0;
 956
 957                 status2 = dcesrv_lsa_lookup_name(dce_call->event_ctx, lp_ctx, state, mem_ctx, name,
 958                                                  &authority_name, &sid, &rtype, &rid);
 959                 if (!NT_STATUS_IS_OK(status2)) {
 960                         continue;
 961                 }
 962
 963                 status2 = dcesrv_lsa_authority_list(state, mem_ctx, rtype, authority_name,
 964                                                     sid, domains, &sid_index);
 965                 if (!NT_STATUS_IS_OK(status2)) {
 966                         continue;
 967                 }
 968
 969                 r->out.sids->sids[i].sid_type    = rtype;
 970                 r->out.sids->sids[i].rid         = rid;
 971                 r->out.sids->sids[i].sid_index   = sid_index;
 972                 r->out.sids->sids[i].unknown     = 0;
 973
 974                 (*r->out.count)++;
 975         }
 976
 977         if (*r->out.count == 0) {
 978                 return NT_STATUS_NONE_MAPPED;
 979         }
 980         if (*r->out.count != r->in.num_names) {
 981                 return STATUS_SOME_UNMAPPED;
 982         }
 983
 984         return NT_STATUS_OK;
 985 }
 986
 987 /*
 988   lsa_LookupNames
 989 */
 990 NTSTATUS dcesrv_lsa_LookupNames(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 991                        struct lsa_LookupNames *r)
 992 {
 993         struct lsa_LookupNames2 r2;
 994         NTSTATUS status;
 995         uint32_t i;
 996
 997         ZERO_STRUCT(r2);
 998
 999         r2.in.handle    = r->in.handle;
1000         r2.in.num_names = r->in.num_names;
1001         r2.in.names     = r->in.names;
1002         r2.in.sids      = NULL;
1003         r2.in.level     = r->in.level;
1004         r2.in.count     = r->in.count;
1005         r2.in.lookup_options = 0;
1006         r2.in.client_revision = 0;
1007         r2.out.count    = r->out.count;
1008         r2.out.domains  = r->out.domains;
1009
1010         status = dcesrv_lsa_LookupNames2(dce_call, mem_ctx, &r2);
1011         if (r2.out.sids == NULL) {
1012                 return status;
1013         }
1014
1015         r->out.sids = talloc(mem_ctx, struct lsa_TransSidArray);
1016         if (r->out.sids == NULL) {
1017                 return NT_STATUS_NO_MEMORY;
1018         }
1019         r->out.sids->count = r2.out.sids->count;
1020         r->out.sids->sids = talloc_array(r->out.sids, struct lsa_TranslatedSid,
1021                                            r->out.sids->count);
1022         if (r->out.sids->sids == NULL) {
1023                 return NT_STATUS_NO_MEMORY;
1024         }
1025         for (i=0;i<r->out.sids->count;i++) {
1026                 r->out.sids->sids[i].sid_type    = r2.out.sids->sids[i].sid_type;
1027                 r->out.sids->sids[i].rid         = r2.out.sids->sids[i].rid;
1028                 r->out.sids->sids[i].sid_index   = r2.out.sids->sids[i].sid_index;
1029         }
1030
1031         return status;
1032 }
1033