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 static NTSTATUS dcesrv_lsa_LookupSids_common(struct dcesrv_call_state *dce_call,
 541                                              TALLOC_CTX *mem_ctx,
 542                                              struct lsa_policy_state *state,
 543                                              struct lsa_LookupSids2 *r)
 544 {
 545         struct lsa_RefDomainList *domains = NULL;
 546         NTSTATUS status = NT_STATUS_OK;
 547         uint32_t i;
 548
 549         if (r->in.level < LSA_LOOKUP_NAMES_ALL ||
 550             r->in.level > LSA_LOOKUP_NAMES_RODC_REFERRAL_TO_FULL_DC) {
 551                 return NT_STATUS_INVALID_PARAMETER;
 552         }
 553
 554         *r->out.domains = NULL;
 555
 556         /* NOTE: the WSPP test suite tries SIDs with invalid revision numbers,
 557            and expects NT_STATUS_INVALID_PARAMETER back - we just treat it as
 558            an unknown SID. We could add a SID validator here. (tridge)
 559            MS-DTYP 2.4.2
 560         */
 561
 562         domains = talloc_zero(r->out.domains,  struct lsa_RefDomainList);
 563         if (domains == NULL) {
 564                 return NT_STATUS_NO_MEMORY;
 565         }
 566         *r->out.domains = domains;
 567
 568         r->out.names = talloc_zero(mem_ctx,  struct lsa_TransNameArray2);
 569         if (r->out.names == NULL) {
 570                 return NT_STATUS_NO_MEMORY;
 571         }
 572
 573         *r->out.count = 0;
 574
 575         r->out.names->names = talloc_array(r->out.names, struct lsa_TranslatedName2,
 576                                              r->in.sids->num_sids);
 577         if (r->out.names->names == NULL) {
 578                 return NT_STATUS_NO_MEMORY;
 579         }
 580
 581         for (i=0;i<r->in.sids->num_sids;i++) {
 582                 struct dom_sid *sid = r->in.sids->sids[i].sid;
 583                 char *sid_str = dom_sid_string(mem_ctx, sid);
 584                 const char *name, *authority_name;
 585                 enum lsa_SidType rtype;
 586                 uint32_t sid_index;
 587                 NTSTATUS status2;
 588
 589                 r->out.names->count++;
 590
 591                 r->out.names->names[i].sid_type    = SID_NAME_UNKNOWN;
 592                 r->out.names->names[i].name.string = sid_str;
 593                 r->out.names->names[i].sid_index   = 0xFFFFFFFF;
 594                 r->out.names->names[i].unknown     = 0;
 595
 596                 if (sid_str == NULL) {
 597                         r->out.names->names[i].name.string = "(SIDERROR)";
 598                         status = STATUS_SOME_UNMAPPED;
 599                         continue;
 600                 }
 601
 602                 status2 = dcesrv_lsa_lookup_sid(state, mem_ctx, sid, sid_str,
 603                                                 &authority_name, &name, &rtype);
 604                 if (!NT_STATUS_IS_OK(status2)) {
 605                         status = STATUS_SOME_UNMAPPED;
 606                         continue;
 607                 }
 608
 609                 /* set up the authority table */
 610                 status2 = dcesrv_lsa_authority_list(state, mem_ctx, rtype,
 611                                                     authority_name, sid,
 612                                                     domains, &sid_index);
 613                 if (!NT_STATUS_IS_OK(status2)) {
 614                         continue;
 615                 }
 616
 617                 r->out.names->names[i].sid_type    = rtype;
 618                 r->out.names->names[i].name.string = name;
 619                 r->out.names->names[i].sid_index   = sid_index;
 620                 r->out.names->names[i].unknown     = 0;
 621
 622                 (*r->out.count)++;
 623         }
 624
 625         if (*r->out.count == 0) {
 626                 return NT_STATUS_NONE_MAPPED;
 627         }
 628         if (*r->out.count != r->in.sids->num_sids) {
 629                 return STATUS_SOME_UNMAPPED;
 630         }
 631
 632         return NT_STATUS_OK;
 633 }
 634
 635 /*
 636   lsa_LookupSids2
 637 */
 638 NTSTATUS dcesrv_lsa_LookupSids2(struct dcesrv_call_state *dce_call,
 639                                 TALLOC_CTX *mem_ctx,
 640                                 struct lsa_LookupSids2 *r)
 641 {
 642         enum dcerpc_transport_t transport = dce_call->conn->endpoint->ep_description->transport;
 643         struct lsa_policy_state *state;
 644         struct dcesrv_handle *h;
 645
 646         if (transport != NCACN_NP && transport != NCALRPC) {
 647                 DCESRV_FAULT(DCERPC_FAULT_ACCESS_DENIED);
 648         }
 649
 650         DCESRV_PULL_HANDLE(h, r->in.handle, LSA_HANDLE_POLICY);
 651
 652         state = h->data;
 653
 654         return dcesrv_lsa_LookupSids_common(dce_call,
 655                                             mem_ctx,
 656                                             state,
 657                                             r);
 658 }
 659
 660
 661 /*
 662   lsa_LookupSids3
 663
 664   Identical to LookupSids2, but doesn't take a policy handle
 665
 666 */
 667 NTSTATUS dcesrv_lsa_LookupSids3(struct dcesrv_call_state *dce_call,
 668                                 TALLOC_CTX *mem_ctx,
 669                                 struct lsa_LookupSids3 *r)
 670 {
 671         enum dcerpc_transport_t transport = dce_call->conn->endpoint->ep_description->transport;
 672         struct dcerpc_auth *auth_info = dce_call->conn->auth_state.auth_info;
 673         struct lsa_policy_state *policy_state;
 674         struct lsa_LookupSids2 q;
 675         NTSTATUS status;
 676
 677         if (transport != NCACN_IP_TCP) {
 678                 DCESRV_FAULT(DCERPC_FAULT_ACCESS_DENIED);
 679         }
 680
 681         /*
 682          * We don't have policy handles on this call. So this must be restricted
 683          * to crypto connections only.
 684          */
 685         if (auth_info->auth_type != DCERPC_AUTH_TYPE_SCHANNEL ||
 686             auth_info->auth_level < DCERPC_AUTH_LEVEL_INTEGRITY) {
 687                 DCESRV_FAULT(DCERPC_FAULT_ACCESS_DENIED);
 688         }
 689
 690         status = dcesrv_lsa_get_policy_state(dce_call, mem_ctx, &policy_state);
 691         if (!NT_STATUS_IS_OK(status)) {
 692                 return status;
 693         }
 694
 695         ZERO_STRUCT(q);
 696
 697         q.in.handle   = NULL;
 698         q.in.sids     = r->in.sids;
 699         q.in.names    = r->in.names;
 700         q.in.level    = r->in.level;
 701         q.in.count    = r->in.count;
 702         q.in.lookup_options = r->in.lookup_options;
 703         q.in.client_revision = r->in.client_revision;
 704         q.out.count   = r->out.count;
 705         q.out.names   = r->out.names;
 706         q.out.domains = r->out.domains;
 707
 708         status = dcesrv_lsa_LookupSids_common(dce_call,
 709                                               mem_ctx,
 710                                               policy_state,
 711                                               &q);
 712
 713         talloc_free(policy_state);
 714
 715         r->out.count = q.out.count;
 716         r->out.names = q.out.names;
 717         r->out.domains = q.out.domains;
 718
 719         return status;
 720 }
 721
 722
 723 /*
 724   lsa_LookupSids
 725 */
 726 NTSTATUS dcesrv_lsa_LookupSids(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 727                                struct lsa_LookupSids *r)
 728 {
 729         enum dcerpc_transport_t transport = dce_call->conn->endpoint->ep_description->transport;
 730         struct lsa_LookupSids2 r2;
 731         NTSTATUS status;
 732         uint32_t i;
 733
 734         if (transport != NCACN_NP && transport != NCALRPC) {
 735                 DCESRV_FAULT(DCERPC_FAULT_ACCESS_DENIED);
 736         }
 737
 738         ZERO_STRUCT(r2);
 739
 740         r2.in.handle   = r->in.handle;
 741         r2.in.sids     = r->in.sids;
 742         r2.in.names    = NULL;
 743         r2.in.level    = r->in.level;
 744         r2.in.count    = r->in.count;
 745         r2.in.lookup_options = 0;
 746         r2.in.client_revision = 0;
 747         r2.out.count   = r->out.count;
 748         r2.out.names   = NULL;
 749         r2.out.domains = r->out.domains;
 750
 751         status = dcesrv_lsa_LookupSids2(dce_call, mem_ctx, &r2);
 752         /* we deliberately don't check for error from the above,
 753            as even on error we are supposed to return the names  */
 754
 755         r->out.domains = r2.out.domains;
 756         if (!r2.out.names) {
 757                 r->out.names = NULL;
 758                 return status;
 759         }
 760
 761         r->out.names = talloc(mem_ctx, struct lsa_TransNameArray);
 762         if (r->out.names == NULL) {
 763                 return NT_STATUS_NO_MEMORY;
 764         }
 765         r->out.names->count = r2.out.names->count;
 766         r->out.names->names = talloc_array(r->out.names, struct lsa_TranslatedName,
 767                                              r->out.names->count);
 768         if (r->out.names->names == NULL) {
 769                 return NT_STATUS_NO_MEMORY;
 770         }
 771         for (i=0;i<r->out.names->count;i++) {
 772                 r->out.names->names[i].sid_type    = r2.out.names->names[i].sid_type;
 773                 r->out.names->names[i].name.string = r2.out.names->names[i].name.string;
 774                 r->out.names->names[i].sid_index   = r2.out.names->names[i].sid_index;
 775         }
 776
 777         return status;
 778 }
 779
 780 static NTSTATUS dcesrv_lsa_LookupNames_common(struct dcesrv_call_state *dce_call,
 781                                               TALLOC_CTX *mem_ctx,
 782                                               struct lsa_policy_state *policy_state,
 783                                               struct lsa_LookupNames3 *r)
 784 {
 785         struct loadparm_context *lp_ctx = dce_call->conn->dce_ctx->lp_ctx;
 786         struct lsa_RefDomainList *domains;
 787         uint32_t i;
 788
 789         if (r->in.level < LSA_LOOKUP_NAMES_ALL ||
 790             r->in.level > LSA_LOOKUP_NAMES_RODC_REFERRAL_TO_FULL_DC) {
 791                 return NT_STATUS_INVALID_PARAMETER;
 792         }
 793
 794         *r->out.domains = NULL;
 795
 796         domains = talloc_zero(mem_ctx,  struct lsa_RefDomainList);
 797         if (domains == NULL) {
 798                 return NT_STATUS_NO_MEMORY;
 799         }
 800         *r->out.domains = domains;
 801
 802         r->out.sids = talloc_zero(mem_ctx,  struct lsa_TransSidArray3);
 803         if (r->out.sids == NULL) {
 804                 return NT_STATUS_NO_MEMORY;
 805         }
 806
 807         *r->out.count = 0;
 808
 809         r->out.sids->sids = talloc_array(r->out.sids, struct lsa_TranslatedSid3,
 810                                            r->in.num_names);
 811         if (r->out.sids->sids == NULL) {
 812                 return NT_STATUS_NO_MEMORY;
 813         }
 814
 815         for (i=0;i<r->in.num_names;i++) {
 816                 const char *name = r->in.names[i].string;
 817                 const char *authority_name;
 818                 struct dom_sid *sid;
 819                 uint32_t sid_index, rid;
 820                 enum lsa_SidType rtype;
 821                 NTSTATUS status2;
 822
 823                 r->out.sids->count++;
 824
 825                 r->out.sids->sids[i].sid_type    = SID_NAME_UNKNOWN;
 826                 r->out.sids->sids[i].sid         = NULL;
 827                 r->out.sids->sids[i].sid_index   = 0xFFFFFFFF;
 828                 r->out.sids->sids[i].flags       = 0;
 829
 830                 status2 = dcesrv_lsa_lookup_name(dce_call->event_ctx, lp_ctx, policy_state, mem_ctx, name,
 831                                                  &authority_name, &sid, &rtype, &rid);
 832                 if (!NT_STATUS_IS_OK(status2) || sid->num_auths == 0) {
 833                         continue;
 834                 }
 835
 836                 status2 = dcesrv_lsa_authority_list(policy_state, mem_ctx, rtype, authority_name,
 837                                                     sid, domains, &sid_index);
 838                 if (!NT_STATUS_IS_OK(status2)) {
 839                         continue;
 840                 }
 841
 842                 r->out.sids->sids[i].sid_type    = rtype;
 843                 r->out.sids->sids[i].sid         = sid;
 844                 r->out.sids->sids[i].sid_index   = sid_index;
 845                 r->out.sids->sids[i].flags       = 0;
 846
 847                 (*r->out.count)++;
 848         }
 849
 850         if (*r->out.count == 0) {
 851                 return NT_STATUS_NONE_MAPPED;
 852         }
 853         if (*r->out.count != r->in.num_names) {
 854                 return STATUS_SOME_UNMAPPED;
 855         }
 856
 857         return NT_STATUS_OK;
 858 }
 859
 860 /*
 861   lsa_LookupNames3
 862 */
 863 NTSTATUS dcesrv_lsa_LookupNames3(struct dcesrv_call_state *dce_call,
 864                                  TALLOC_CTX *mem_ctx,
 865                                  struct lsa_LookupNames3 *r)
 866 {
 867         enum dcerpc_transport_t transport = dce_call->conn->endpoint->ep_description->transport;
 868         struct lsa_policy_state *policy_state;
 869         struct dcesrv_handle *policy_handle;
 870
 871         if (transport != NCACN_NP && transport != NCALRPC) {
 872                 DCESRV_FAULT(DCERPC_FAULT_ACCESS_DENIED);
 873         }
 874
 875         DCESRV_PULL_HANDLE(policy_handle, r->in.handle, LSA_HANDLE_POLICY);
 876
 877         policy_state = policy_handle->data;
 878
 879         return dcesrv_lsa_LookupNames_common(dce_call,
 880                                              mem_ctx,
 881                                              policy_state,
 882                                              r);
 883 }
 884
 885 /*
 886   lsa_LookupNames4
 887
 888   Identical to LookupNames3, but doesn't take a policy handle
 889
 890 */
 891 NTSTATUS dcesrv_lsa_LookupNames4(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 892                                  struct lsa_LookupNames4 *r)
 893 {
 894         enum dcerpc_transport_t transport = dce_call->conn->endpoint->ep_description->transport;
 895         struct dcerpc_auth *auth_info = dce_call->conn->auth_state.auth_info;
 896         struct lsa_policy_state *policy_state;
 897         struct lsa_LookupNames3 q;
 898         NTSTATUS status;
 899
 900         if (transport != NCACN_IP_TCP) {
 901                 DCESRV_FAULT(DCERPC_FAULT_ACCESS_DENIED);
 902         }
 903
 904         /*
 905          * We don't have policy handles on this call. So this must be restricted
 906          * to crypto connections only.
 907          */
 908         if (auth_info->auth_type != DCERPC_AUTH_TYPE_SCHANNEL ||
 909             auth_info->auth_level < DCERPC_AUTH_LEVEL_INTEGRITY) {
 910                 DCESRV_FAULT(DCERPC_FAULT_ACCESS_DENIED);
 911         }
 912
 913         status = dcesrv_lsa_get_policy_state(dce_call, mem_ctx, &policy_state);
 914         if (!NT_STATUS_IS_OK(status)) {
 915                 return status;
 916         }
 917
 918         ZERO_STRUCT(q);
 919
 920         q.in.handle = NULL;
 921         q.in.num_names = r->in.num_names;
 922         q.in.names = r->in.names;
 923         q.in.level = r->in.level;
 924         q.in.sids = r->in.sids;
 925         q.in.count = r->in.count;
 926         q.in.lookup_options = r->in.lookup_options;
 927         q.in.client_revision = r->in.client_revision;
 928
 929         q.out.count = r->out.count;
 930         q.out.sids = r->out.sids;
 931         q.out.domains = r->out.domains;
 932
 933         status = dcesrv_lsa_LookupNames_common(dce_call,
 934                                                mem_ctx,
 935                                                policy_state,
 936                                                &q);
 937
 938         talloc_free(policy_state);
 939
 940         r->out.count = q.out.count;
 941         r->out.sids = q.out.sids;
 942         r->out.domains = q.out.domains;
 943
 944         return status;
 945 }
 946
 947 /*
 948   lsa_LookupNames2
 949 */
 950 NTSTATUS dcesrv_lsa_LookupNames2(struct dcesrv_call_state *dce_call,
 951                                  TALLOC_CTX *mem_ctx,
 952                                  struct lsa_LookupNames2 *r)
 953 {
 954         enum dcerpc_transport_t transport = dce_call->conn->endpoint->ep_description->transport;
 955         struct lsa_policy_state *state;
 956         struct dcesrv_handle *h;
 957         uint32_t i;
 958         struct loadparm_context *lp_ctx = dce_call->conn->dce_ctx->lp_ctx;
 959         struct lsa_RefDomainList *domains;
 960
 961         if (transport != NCACN_NP && transport != NCALRPC) {
 962                 DCESRV_FAULT(DCERPC_FAULT_ACCESS_DENIED);
 963         }
 964
 965         *r->out.domains = NULL;
 966
 967         DCESRV_PULL_HANDLE(h, r->in.handle, LSA_HANDLE_POLICY);
 968
 969         if (r->in.level < LSA_LOOKUP_NAMES_ALL ||
 970             r->in.level > LSA_LOOKUP_NAMES_RODC_REFERRAL_TO_FULL_DC) {
 971                 return NT_STATUS_INVALID_PARAMETER;
 972         }
 973
 974         state = h->data;
 975
 976         domains = talloc_zero(mem_ctx,  struct lsa_RefDomainList);
 977         if (domains == NULL) {
 978                 return NT_STATUS_NO_MEMORY;
 979         }
 980         *r->out.domains = domains;
 981
 982         r->out.sids = talloc_zero(mem_ctx,  struct lsa_TransSidArray2);
 983         if (r->out.sids == NULL) {
 984                 return NT_STATUS_NO_MEMORY;
 985         }
 986
 987         *r->out.count = 0;
 988
 989         r->out.sids->sids = talloc_array(r->out.sids, struct lsa_TranslatedSid2,
 990                                            r->in.num_names);
 991         if (r->out.sids->sids == NULL) {
 992                 return NT_STATUS_NO_MEMORY;
 993         }
 994
 995         for (i=0;i<r->in.num_names;i++) {
 996                 const char *name = r->in.names[i].string;
 997                 const char *authority_name;
 998                 struct dom_sid *sid;
 999                 uint32_t sid_index, rid=0;
1000                 enum lsa_SidType rtype;
1001                 NTSTATUS status2;
1002
1003                 r->out.sids->count++;
1004
1005                 r->out.sids->sids[i].sid_type    = SID_NAME_UNKNOWN;
1006                 /* MS-LSAT 3.1.4.7 - rid zero is considered equivalent
1007                    to sid NULL - so we should return 0 rid for
1008                    unmapped entries */
1009                 r->out.sids->sids[i].rid         = 0;
1010                 r->out.sids->sids[i].sid_index   = 0xFFFFFFFF;
1011                 r->out.sids->sids[i].unknown     = 0;
1012
1013                 status2 = dcesrv_lsa_lookup_name(dce_call->event_ctx, lp_ctx, state, mem_ctx, name,
1014                                                  &authority_name, &sid, &rtype, &rid);
1015                 if (!NT_STATUS_IS_OK(status2)) {
1016                         continue;
1017                 }
1018
1019                 status2 = dcesrv_lsa_authority_list(state, mem_ctx, rtype, authority_name,
1020                                                     sid, domains, &sid_index);
1021                 if (!NT_STATUS_IS_OK(status2)) {
1022                         continue;
1023                 }
1024
1025                 r->out.sids->sids[i].sid_type    = rtype;
1026                 r->out.sids->sids[i].rid         = rid;
1027                 r->out.sids->sids[i].sid_index   = sid_index;
1028                 r->out.sids->sids[i].unknown     = 0;
1029
1030                 (*r->out.count)++;
1031         }
1032
1033         if (*r->out.count == 0) {
1034                 return NT_STATUS_NONE_MAPPED;
1035         }
1036         if (*r->out.count != r->in.num_names) {
1037                 return STATUS_SOME_UNMAPPED;
1038         }
1039
1040         return NT_STATUS_OK;
1041 }
1042
1043 /*
1044   lsa_LookupNames
1045 */
1046 NTSTATUS dcesrv_lsa_LookupNames(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1047                        struct lsa_LookupNames *r)
1048 {
1049         enum dcerpc_transport_t transport = dce_call->conn->endpoint->ep_description->transport;
1050         struct lsa_LookupNames2 r2;
1051         NTSTATUS status;
1052         uint32_t i;
1053
1054         if (transport != NCACN_NP && transport != NCALRPC) {
1055                 DCESRV_FAULT(DCERPC_FAULT_ACCESS_DENIED);
1056         }
1057
1058         ZERO_STRUCT(r2);
1059
1060         r2.in.handle    = r->in.handle;
1061         r2.in.num_names = r->in.num_names;
1062         r2.in.names     = r->in.names;
1063         r2.in.sids      = NULL;
1064         r2.in.level     = r->in.level;
1065         r2.in.count     = r->in.count;
1066         r2.in.lookup_options = 0;
1067         r2.in.client_revision = 0;
1068         r2.out.count    = r->out.count;
1069         r2.out.domains  = r->out.domains;
1070
1071         status = dcesrv_lsa_LookupNames2(dce_call, mem_ctx, &r2);
1072         if (r2.out.sids == NULL) {
1073                 return status;
1074         }
1075
1076         r->out.sids = talloc(mem_ctx, struct lsa_TransSidArray);
1077         if (r->out.sids == NULL) {
1078                 return NT_STATUS_NO_MEMORY;
1079         }
1080         r->out.sids->count = r2.out.sids->count;
1081         r->out.sids->sids = talloc_array(r->out.sids, struct lsa_TranslatedSid,
1082                                            r->out.sids->count);
1083         if (r->out.sids->sids == NULL) {
1084                 return NT_STATUS_NO_MEMORY;
1085         }
1086         for (i=0;i<r->out.sids->count;i++) {
1087                 r->out.sids->sids[i].sid_type    = r2.out.sids->sids[i].sid_type;
1088                 r->out.sids->sids[i].rid         = r2.out.sids->sids[i].rid;
1089                 r->out.sids->sids[i].sid_index   = r2.out.sids->sids[i].sid_index;
1090         }
1091
1092         return status;
1093 }
1094