source/libsmb/cli_lsarpc.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 2.2
   4    RPC pipe client
   5    Copyright (C) Tim Potter                        2000-2001,
   6    Copyright (C) Andrew Tridgell              1992-1997,2000,
   7    Copyright (C) Luke Kenneth Casson Leighton 1996-1997,2000,
   8    Copyright (C) Paul Ashton                       1997,2000,
   9    Copyright (C) Elrond                                 2000.
  10
  11    This program is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 2 of the License, or
  14    (at your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program; if not, write to the Free Software
  23    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  24 */
  25
  26 #include "includes.h"
  27
  28 /* Opens a SMB connection to the lsa pipe */
  29
  30 struct cli_state *cli_lsa_initialise(struct cli_state *cli, char *system_name,
  31                                      struct ntuser_creds *creds)
  32 {
  33         struct in_addr dest_ip;
  34         struct nmb_name calling, called;
  35         fstring dest_host;
  36         extern pstring global_myname;
  37         struct ntuser_creds anon;
  38
  39         /* Initialise cli_state information */
  40
  41         if (!cli_initialise(cli)) {
  42                 return NULL;
  43         }
  44
  45         if (!creds) {
  46                 ZERO_STRUCT(anon);
  47                 anon.pwd.null_pwd = 1;
  48                 creds = &anon;
  49         }
  50
  51         cli_init_creds(cli, creds);
  52
  53         /* Establish a SMB connection */
  54
  55         if (!resolve_srv_name(system_name, dest_host, &dest_ip)) {
  56                 return NULL;
  57         }
  58
  59         make_nmb_name(&called, dns_to_netbios_name(dest_host), 0x20);
  60         make_nmb_name(&calling, dns_to_netbios_name(global_myname), 0);
  61
  62         if (!cli_establish_connection(cli, dest_host, &dest_ip, &calling,
  63                                       &called, "IPC$", "IPC", False, True)) {
  64                 return NULL;
  65         }
  66
  67         /* Open a NT session thingy */
  68
  69         if (!cli_nt_session_open(cli, PIPE_LSARPC)) {
  70                 cli_shutdown(cli);
  71                 return NULL;
  72         }
  73
  74         return cli;
  75 }
  76
  77 /* Shut down a SMB connection to the LSA pipe */
  78
  79 void cli_lsa_shutdown(struct cli_state *cli)
  80 {
  81         if (cli->fd != -1) cli_ulogoff(cli);
  82         cli_shutdown(cli);
  83 }
  84
  85 /* Open a LSA policy handle */
  86
  87 uint32 cli_lsa_open_policy(struct cli_state *cli, TALLOC_CTX *mem_ctx,
  88                            BOOL sec_qos, uint32 des_access, POLICY_HND *pol)
  89 {
  90         prs_struct qbuf, rbuf;
  91         LSA_Q_OPEN_POL q;
  92         LSA_R_OPEN_POL r;
  93         LSA_SEC_QOS qos;
  94         uint32 result;
  95
  96         ZERO_STRUCT(q);
  97         ZERO_STRUCT(r);
  98
  99         /* Initialise parse structures */
 100
 101         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 102         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 103
 104         /* Initialise input parameters */
 105
 106         if (sec_qos) {
 107                 init_lsa_sec_qos(&qos, 2, 1, 0, des_access);
 108                 init_q_open_pol(&q, '\\', 0, des_access, &qos);
 109         } else {
 110                 init_q_open_pol(&q, '\\', 0, des_access, NULL);
 111         }
 112
 113         /* Marshall data and send request */
 114
 115         if (!lsa_io_q_open_pol("", &q, &qbuf, 0) ||
 116             !rpc_api_pipe_req(cli, LSA_OPENPOLICY, &qbuf, &rbuf)) {
 117                 result = NT_STATUS_UNSUCCESSFUL;
 118                 goto done;
 119         }
 120
 121         /* Unmarshall response */
 122
 123         if (!lsa_io_r_open_pol("", &r, &rbuf, 0)) {
 124                 result = NT_STATUS_UNSUCCESSFUL;
 125                 goto done;
 126         }
 127
 128         /* Return output parameters */
 129
 130         if ((result = r.status) == NT_STATUS_NOPROBLEMO) {
 131                 *pol = r.pol;
 132         }
 133
 134  done:
 135         prs_mem_free(&qbuf);
 136         prs_mem_free(&rbuf);
 137
 138         return result;
 139 }
 140
 141 /* Close a LSA policy handle */
 142
 143 uint32 cli_lsa_close(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 144                      POLICY_HND *pol)
 145 {
 146         prs_struct qbuf, rbuf;
 147         LSA_Q_CLOSE q;
 148         LSA_R_CLOSE r;
 149         uint32 result;
 150
 151         ZERO_STRUCT(q);
 152         ZERO_STRUCT(r);
 153
 154         /* Initialise parse structures */
 155
 156         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 157         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 158
 159         /* Marshall data and send request */
 160
 161         init_lsa_q_close(&q, pol);
 162
 163         if (!lsa_io_q_close("", &q, &qbuf, 0) ||
 164             !rpc_api_pipe_req(cli, LSA_CLOSE, &qbuf, &rbuf)) {
 165                 result = NT_STATUS_UNSUCCESSFUL;
 166                 goto done;
 167         }
 168
 169         /* Unmarshall response */
 170
 171         if (!lsa_io_r_close("", &r, &rbuf, 0)) {
 172                 result = NT_STATUS_UNSUCCESSFUL;
 173                 goto done;
 174         }
 175
 176         /* Return output parameters */
 177
 178         if ((result = r.status) == NT_STATUS_NOPROBLEMO) {
 179                 *pol = r.pol;
 180         }
 181
 182  done:
 183         prs_mem_free(&qbuf);
 184         prs_mem_free(&rbuf);
 185
 186         return result;
 187 }
 188
 189 /* Lookup a list of sids */
 190
 191 uint32 cli_lsa_lookup_sids(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 192                            POLICY_HND *pol, int num_sids, DOM_SID *sids,
 193                            char ***names, uint32 **types, int *num_names)
 194 {
 195         prs_struct qbuf, rbuf;
 196         LSA_Q_LOOKUP_SIDS q;
 197         LSA_R_LOOKUP_SIDS r;
 198         DOM_R_REF ref;
 199         LSA_TRANS_NAME_ENUM t_names;
 200         uint32 result;
 201         int i;
 202
 203         ZERO_STRUCT(q);
 204         ZERO_STRUCT(r);
 205
 206         /* Initialise parse structures */
 207
 208         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 209         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 210
 211         /* Marshall data and send request */
 212
 213         init_q_lookup_sids(mem_ctx, &q, pol, num_sids, sids, 1);
 214
 215         if (!lsa_io_q_lookup_sids("", &q, &qbuf, 0) ||
 216             !rpc_api_pipe_req(cli, LSA_LOOKUPSIDS, &qbuf, &rbuf)) {
 217                 result = NT_STATUS_UNSUCCESSFUL;
 218                 goto done;
 219         }
 220
 221         /* Unmarshall response */
 222
 223         ZERO_STRUCT(ref);
 224         ZERO_STRUCT(t_names);
 225
 226         r.dom_ref = &ref;
 227         r.names = &t_names;
 228
 229         if (!lsa_io_r_lookup_sids("", &r, &rbuf, 0)) {
 230                 result = NT_STATUS_UNSUCCESSFUL;
 231                 goto done;
 232         }
 233
 234         result = r.status;
 235
 236         if (result != NT_STATUS_NOPROBLEMO && result != 0x00000107 &&
 237             result != (0xC0000000 | NT_STATUS_NONE_MAPPED)) {
 238
 239                 /* An actual error occured */
 240
 241                 goto done;
 242         }
 243
 244         result = NT_STATUS_NOPROBLEMO;
 245
 246         /* Return output parameters */
 247
 248         (*num_names) = r.names->num_entries;
 249
 250         if (!((*names) = (char **)talloc(mem_ctx, sizeof(char *) *
 251                                          r.names->num_entries))) {
 252                 DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
 253                 result = NT_STATUS_UNSUCCESSFUL;
 254                 goto done;
 255         }
 256
 257         if (!((*types) = (uint32 *)talloc(mem_ctx, sizeof(uint32) *
 258                                       r.names->num_entries))) {
 259                 DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
 260                 result = NT_STATUS_UNSUCCESSFUL;
 261                 goto done;
 262         }
 263
 264         for (i = 0; i < r.names->num_entries; i++) {
 265                 fstring name, dom_name, full_name;
 266                 uint32 dom_idx = t_names.name[i].domain_idx;
 267
 268                 /* Translate optimised name through domain index array */
 269
 270                 if (dom_idx != 0xffffffff) {
 271                         unistr2_to_ascii(dom_name,
 272                                          &ref.ref_dom[dom_idx].uni_dom_name,
 273                                          sizeof(dom_name)- 1);
 274                         unistr2_to_ascii(name, &t_names.uni_name[i],
 275                                          sizeof(name) - 1);
 276
 277                         slprintf(full_name, sizeof(full_name) - 1,
 278                                  "%s%s%s", dom_name, dom_name[0] ?
 279                                  "\\" : "", name);
 280
 281                         (*names)[i] = talloc_strdup(mem_ctx, full_name);
 282                         (*types)[i] = t_names.name[i].sid_name_use;
 283                 } else {
 284                         (*names)[i] = NULL;
 285                         (*types)[i] = SID_NAME_UNKNOWN;
 286                 }
 287         }
 288
 289  done:
 290         prs_mem_free(&qbuf);
 291         prs_mem_free(&rbuf);
 292
 293         return result;
 294 }
 295
 296 /* Lookup a list of names */
 297
 298 uint32 cli_lsa_lookup_names(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 299                             POLICY_HND *pol, int num_names, char **names,
 300                             DOM_SID **sids, uint32 **types, int *num_sids)
 301 {
 302         prs_struct qbuf, rbuf;
 303         LSA_Q_LOOKUP_NAMES q;
 304         LSA_R_LOOKUP_NAMES r;
 305         DOM_R_REF ref;
 306         uint32 result;
 307         int i;
 308
 309         ZERO_STRUCT(q);
 310         ZERO_STRUCT(r);
 311
 312         /* Initialise parse structures */
 313
 314         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 315         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 316
 317         /* Marshall data and send request */
 318
 319         init_q_lookup_names(mem_ctx, &q, pol, num_names, names);
 320
 321         if (!lsa_io_q_lookup_names("", &q, &qbuf, 0) ||
 322             !rpc_api_pipe_req(cli, LSA_LOOKUPNAMES, &qbuf, &rbuf)) {
 323                 result = NT_STATUS_UNSUCCESSFUL;
 324                 goto done;
 325         }
 326
 327         /* Unmarshall response */
 328
 329         ZERO_STRUCT(ref);
 330         r.dom_ref = &ref;
 331
 332         if (!lsa_io_r_lookup_names("", &r, &rbuf, 0)) {
 333                 result = NT_STATUS_UNSUCCESSFUL;
 334                 goto done;
 335         }
 336
 337         result = r.status;
 338
 339         if (result != NT_STATUS_NOPROBLEMO &&
 340             result != (0xC0000000 | NT_STATUS_NONE_MAPPED)) {
 341
 342                 /* An actual error occured */
 343
 344                 goto done;
 345         }
 346
 347         result = NT_STATUS_NOPROBLEMO;
 348
 349         /* Return output parameters */
 350
 351         (*num_sids) = r.num_entries;
 352
 353         if (!((*sids = (DOM_SID *)talloc(mem_ctx, sizeof(DOM_SID) *
 354                                          r.num_entries)))) {
 355                 DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
 356                 result = NT_STATUS_UNSUCCESSFUL;
 357                 goto done;
 358         }
 359
 360         if (!((*types = (uint32 *)talloc(mem_ctx, sizeof(uint32) *
 361                                           r.num_entries)))) {
 362                 DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
 363                 result = NT_STATUS_UNSUCCESSFUL;
 364                 goto done;
 365         }
 366
 367         for (i = 0; i < r.num_entries; i++) {
 368                 DOM_RID2 *t_rids = r.dom_rid;
 369                 uint32 dom_idx = t_rids[i].rid_idx;
 370                 uint32 dom_rid = t_rids[i].rid;
 371                 DOM_SID *sid = &(*sids)[i];
 372
 373                 /* Translate optimised sid through domain index array */
 374
 375                 if (dom_idx != 0xffffffff) {
 376
 377                         sid_copy(sid, &ref.ref_dom[dom_idx].ref_dom.sid);
 378
 379                         if (dom_rid != 0xffffffff) {
 380                                 sid_append_rid(sid, dom_rid);
 381                         }
 382
 383                         (*types)[i] = t_rids[i].type;
 384                 } else {
 385                         ZERO_STRUCTP(sid);
 386                         (*types)[i] = SID_NAME_UNKNOWN;
 387                 }
 388         }
 389
 390  done:
 391         prs_mem_free(&qbuf);
 392         prs_mem_free(&rbuf);
 393
 394         return result;
 395 }
 396
 397 /* Query info policy */
 398
 399 uint32 cli_lsa_query_info_policy(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 400                                  POLICY_HND *pol, uint16 info_class,
 401                                  fstring domain_name, DOM_SID *domain_sid)
 402 {
 403         prs_struct qbuf, rbuf;
 404         LSA_Q_QUERY_INFO q;
 405         LSA_R_QUERY_INFO r;
 406         uint32 result;
 407
 408         ZERO_STRUCT(q);
 409         ZERO_STRUCT(r);
 410
 411         /* Initialise parse structures */
 412
 413         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 414         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 415
 416         /* Marshall data and send request */
 417
 418         init_q_query(&q, pol, info_class);
 419
 420         if (!lsa_io_q_query("", &q, &qbuf, 0) ||
 421             !rpc_api_pipe_req(cli, LSA_QUERYINFOPOLICY, &qbuf, &rbuf)) {
 422                 result = NT_STATUS_UNSUCCESSFUL;
 423                 goto done;
 424         }
 425
 426         /* Unmarshall response */
 427
 428         if (!lsa_io_r_query("", &r, &rbuf, 0)) {
 429                 result = NT_STATUS_UNSUCCESSFUL;
 430                 goto done;
 431         }
 432
 433         if ((result = r.status) != NT_STATUS_NOPROBLEMO) {
 434                 goto done;
 435         }
 436
 437         /* Return output parameters */
 438
 439         ZERO_STRUCTP(domain_sid);
 440         domain_name[0] = '\0';
 441
 442         switch (info_class) {
 443
 444         case 3:
 445                 if (r.dom.id3.buffer_dom_name != 0) {
 446                         unistr2_to_ascii(domain_name,
 447                                          &r.dom.id3.
 448                                          uni_domain_name,
 449                                          sizeof (fstring) - 1);
 450                 }
 451
 452                 if (r.dom.id3.buffer_dom_sid != 0) {
 453                         *domain_sid = r.dom.id3.dom_sid.sid;
 454                 }
 455
 456                 break;
 457
 458         case 5:
 459
 460                 if (r.dom.id5.buffer_dom_name != 0) {
 461                         unistr2_to_ascii(domain_name, &r.dom.id5.
 462                                          uni_domain_name,
 463                                          sizeof (fstring) - 1);
 464                 }
 465
 466                 if (r.dom.id5.buffer_dom_sid != 0) {
 467                         *domain_sid = r.dom.id5.dom_sid.sid;
 468                 }
 469
 470                 break;
 471
 472         default:
 473                 DEBUG(3, ("unknown info class %d\n", info_class));
 474                 break;
 475         }
 476
 477  done:
 478         prs_mem_free(&qbuf);
 479         prs_mem_free(&rbuf);
 480
 481         return result;
 482 }
 483
 484 /* Enumerate list of trusted domains */
 485
 486 uint32 cli_lsa_enum_trust_dom(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 487                               POLICY_HND *pol, uint32 *enum_ctx,
 488                               uint32 *num_domains, char ***domain_names,
 489                               DOM_SID **domain_sids)
 490 {
 491         prs_struct qbuf, rbuf;
 492         LSA_Q_ENUM_TRUST_DOM q;
 493         LSA_R_ENUM_TRUST_DOM r;
 494         uint32 result;
 495         int i;
 496
 497         ZERO_STRUCT(q);
 498         ZERO_STRUCT(r);
 499
 500         /* Initialise parse structures */
 501
 502         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 503         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 504
 505         /* Marshall data and send request */
 506
 507         init_q_enum_trust_dom(&q, pol, *enum_ctx, 0xffffffff);
 508
 509         if (!lsa_io_q_enum_trust_dom("", &q, &qbuf, 0) ||
 510             !rpc_api_pipe_req(cli, LSA_ENUMTRUSTDOM, &qbuf, &rbuf)) {
 511                 result = NT_STATUS_UNSUCCESSFUL;
 512                 goto done;
 513         }
 514
 515         /* Unmarshall response */
 516
 517         if (!lsa_io_r_enum_trust_dom("", &r, &rbuf, 0)) {
 518                 result = NT_STATUS_UNSUCCESSFUL;
 519                 goto done;
 520         }
 521
 522         result = r.status;
 523
 524         if (result != NT_STATUS_NOPROBLEMO && result != 0x8000001a) {
 525
 526                 /* An actual error ocured */
 527
 528                 goto done;
 529         }
 530
 531         result = NT_STATUS_NOPROBLEMO;
 532
 533         /* Return output parameters */
 534
 535         if (!((*domain_names) = (char **)talloc(mem_ctx, sizeof(char *) *
 536                                                 r.num_domains))) {
 537                 DEBUG(0, ("cli_lsa_enum_trust_dom(): out of memory\n"));
 538                 result = NT_STATUS_UNSUCCESSFUL;
 539                 goto done;
 540         }
 541
 542         if (!((*domain_sids) = (DOM_SID *)talloc(mem_ctx, sizeof(DOM_SID) *
 543                                                  r.num_domains))) {
 544                 DEBUG(0, ("cli_lsa_enum_trust_dom(): out of memory\n"));
 545                 result = NT_STATUS_UNSUCCESSFUL;
 546                 goto done;
 547         }
 548
 549         for (i = 0; i < r.num_domains; i++) {
 550                 fstring tmp;
 551
 552                 unistr2_to_ascii(tmp, &r.uni_domain_name[i], sizeof(tmp) - 1);
 553                 (*domain_names)[i] = strdup(tmp);
 554                 sid_copy(&(*domain_sids)[i], &r.domain_sid[i].sid);
 555         }
 556
 557         *num_domains = r.num_domains;
 558         *enum_ctx = r.enum_context;
 559
 560         lsa_free_r_enum_trust_dom(&r);
 561
 562  done:
 563         prs_mem_free(&qbuf);
 564         prs_mem_free(&rbuf);
 565
 566         return result;
 567 }