source3/rpc_client/cli_netlogon.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    NT Domain Authentication SMB / MSRPC client
   4    Copyright (C) Andrew Tridgell 1992-2000
   5    Copyright (C) Luke Kenneth Casson Leighton 1996-2000
   6    Copyright (C) Tim Potter 2001
   7    Copyright (C) Paul Ashton                       1997.
   8    Copyright (C) Jeremy Allison                    1998.
   9    Copyright (C) Andrew Bartlett                   2001.
  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 /* LSA Request Challenge. Sends our challenge to server, then gets
  29    server response. These are used to generate the credentials. */
  30
  31 NTSTATUS cli_net_req_chal(struct cli_state *cli, DOM_CHAL *clnt_chal,
  32                           DOM_CHAL *srv_chal)
  33 {
  34         prs_struct qbuf, rbuf;
  35         NET_Q_REQ_CHAL q;
  36         NET_R_REQ_CHAL r;
  37         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
  38
  39         prs_init(&qbuf, MAX_PDU_FRAG_LEN, cli->mem_ctx, MARSHALL);
  40         prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL);
  41
  42         /* create and send a MSRPC command with api NET_REQCHAL */
  43
  44         DEBUG(4,("cli_net_req_chal: LSA Request Challenge from %s to %s: %s\n",
  45                  global_myname(), cli->desthost, credstr(clnt_chal->data)));
  46
  47         /* store the parameters */
  48         init_q_req_chal(&q, cli->srv_name_slash, global_myname(), clnt_chal);
  49
  50         /* Marshall data and send request */
  51
  52         if (!net_io_q_req_chal("", &q,  &qbuf, 0) ||
  53             !rpc_api_pipe_req(cli, NET_REQCHAL, &qbuf, &rbuf)) {
  54                 goto done;
  55         }
  56
  57         /* Unmarhall response */
  58
  59         if (!net_io_r_req_chal("", &r, &rbuf, 0)) {
  60                 goto done;
  61         }
  62
  63         result = r.status;
  64
  65         /* Return result */
  66
  67         if (NT_STATUS_IS_OK(result)) {
  68                 memcpy(srv_chal, r.srv_chal.data, sizeof(srv_chal->data));
  69         }
  70
  71  done:
  72         prs_mem_free(&qbuf);
  73         prs_mem_free(&rbuf);
  74
  75         return result;
  76 }
  77
  78 /****************************************************************************
  79 LSA Authenticate 2
  80
  81 Send the client credential, receive back a server credential.
  82 Ensure that the server credential returned matches the session key
  83 encrypt of the server challenge originally received. JRA.
  84 ****************************************************************************/
  85
  86 NTSTATUS cli_net_auth2(struct cli_state *cli,
  87                        uint16 sec_chan,
  88                        uint32 *neg_flags, DOM_CHAL *srv_chal)
  89 {
  90         prs_struct qbuf, rbuf;
  91         NET_Q_AUTH_2 q;
  92         NET_R_AUTH_2 r;
  93         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
  94
  95         prs_init(&qbuf, MAX_PDU_FRAG_LEN, cli->mem_ctx, MARSHALL);
  96         prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL);
  97
  98         /* create and send a MSRPC command with api NET_AUTH2 */
  99
 100         DEBUG(4,("cli_net_auth2: srv:%s acct:%s sc:%x mc: %s chal %s neg: %x\n",
 101                  cli->srv_name_slash, cli->mach_acct, sec_chan, global_myname(),
 102                  credstr(cli->clnt_cred.challenge.data), *neg_flags));
 103
 104         /* store the parameters */
 105         init_q_auth_2(&q, cli->srv_name_slash, cli->mach_acct,
 106                       sec_chan, global_myname(), &cli->clnt_cred.challenge,
 107                       *neg_flags);
 108
 109         /* turn parameters into data stream */
 110
 111         if (!net_io_q_auth_2("", &q,  &qbuf, 0) ||
 112             !rpc_api_pipe_req(cli, NET_AUTH2, &qbuf, &rbuf)) {
 113                 goto done;
 114         }
 115
 116         /* Unmarshall response */
 117
 118         if (!net_io_r_auth_2("", &r, &rbuf, 0)) {
 119                 goto done;
 120         }
 121
 122         result = r.status;
 123
 124         if (NT_STATUS_IS_OK(result)) {
 125                 UTIME zerotime;
 126
 127                 /*
 128                  * Check the returned value using the initial
 129                  * server received challenge.
 130                  */
 131
 132                 zerotime.time = 0;
 133                 if (cred_assert( &r.srv_chal, cli->sess_key, srv_chal,
 134                                  zerotime) == 0) {
 135
 136                         /*
 137                          * Server replied with bad credential. Fail.
 138                          */
 139                         DEBUG(0,("cli_net_auth2: server %s replied with bad credential (bad machine \
 140 password ?).\n", cli->desthost ));
 141                         result = NT_STATUS_ACCESS_DENIED;
 142                         goto done;
 143                 }
 144                 *neg_flags = r.srv_flgs.neg_flags;
 145         }
 146
 147  done:
 148         prs_mem_free(&qbuf);
 149         prs_mem_free(&rbuf);
 150
 151         return result;
 152 }
 153
 154 /****************************************************************************
 155 LSA Authenticate 3
 156
 157 Send the client credential, receive back a server credential.
 158 Ensure that the server credential returned matches the session key
 159 encrypt of the server challenge originally received. JRA.
 160 ****************************************************************************/
 161
 162 NTSTATUS cli_net_auth3(struct cli_state *cli,
 163                        uint16 sec_chan,
 164                        uint32 *neg_flags, DOM_CHAL *srv_chal)
 165 {
 166         prs_struct qbuf, rbuf;
 167         NET_Q_AUTH_3 q;
 168         NET_R_AUTH_3 r;
 169         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 170
 171         prs_init(&qbuf, MAX_PDU_FRAG_LEN, cli->mem_ctx, MARSHALL);
 172         prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL);
 173
 174         /* create and send a MSRPC command with api NET_AUTH2 */
 175
 176         DEBUG(4,("cli_net_auth3: srv:%s acct:%s sc:%x mc: %s chal %s neg: %x\n",
 177                  cli->srv_name_slash, cli->mach_acct, sec_chan, global_myname(),
 178                  credstr(cli->clnt_cred.challenge.data), *neg_flags));
 179
 180         /* store the parameters */
 181         init_q_auth_3(&q, cli->srv_name_slash, cli->mach_acct,
 182                       sec_chan, global_myname(), &cli->clnt_cred.challenge,
 183                       *neg_flags);
 184
 185         /* turn parameters into data stream */
 186
 187         if (!net_io_q_auth_3("", &q,  &qbuf, 0) ||
 188             !rpc_api_pipe_req(cli, NET_AUTH3, &qbuf, &rbuf)) {
 189                 goto done;
 190         }
 191
 192         /* Unmarshall response */
 193
 194         if (!net_io_r_auth_3("", &r, &rbuf, 0)) {
 195                 goto done;
 196         }
 197
 198         result = r.status;
 199
 200         if (NT_STATUS_IS_OK(result)) {
 201                 UTIME zerotime;
 202
 203                 /*
 204                  * Check the returned value using the initial
 205                  * server received challenge.
 206                  */
 207
 208                 zerotime.time = 0;
 209                 if (cred_assert( &r.srv_chal, cli->sess_key, srv_chal,
 210                                  zerotime) == 0) {
 211
 212                         /*
 213                          * Server replied with bad credential. Fail.
 214                          */
 215                         DEBUG(0,("cli_net_auth3: server %s replied with bad credential (bad machine \
 216 password ?).\n", cli->desthost ));
 217                         result = NT_STATUS_ACCESS_DENIED;
 218                         goto done;
 219                 }
 220                 *neg_flags = r.srv_flgs.neg_flags;
 221         }
 222
 223  done:
 224         prs_mem_free(&qbuf);
 225         prs_mem_free(&rbuf);
 226
 227         return result;
 228 }
 229
 230 /* Return the secure channel type depending on the server role. */
 231
 232 uint16 get_sec_chan(void)
 233 {
 234         uint16 sec_chan = SEC_CHAN_WKSTA;
 235
 236         switch (lp_server_role()) {
 237         case ROLE_DOMAIN_PDC:
 238                 sec_chan = SEC_CHAN_DOMAIN;
 239                 break;
 240         case ROLE_DOMAIN_BDC:
 241                 sec_chan = SEC_CHAN_BDC;
 242                 break;
 243         }
 244
 245         return sec_chan;
 246 }
 247
 248 /* Initialize domain session credentials */
 249
 250 NTSTATUS cli_nt_setup_creds(struct cli_state *cli,
 251                             uint16 sec_chan,
 252                             const unsigned char mach_pwd[16], uint32 *neg_flags, int level)
 253 {
 254         DOM_CHAL clnt_chal;
 255         DOM_CHAL srv_chal;
 256         UTIME zerotime;
 257         NTSTATUS result;
 258
 259         /******************* Request Challenge ********************/
 260
 261         generate_random_buffer(clnt_chal.data, 8, False);
 262
 263         /* send a client challenge; receive a server challenge */
 264         result = cli_net_req_chal(cli, &clnt_chal, &srv_chal);
 265
 266         if (!NT_STATUS_IS_OK(result)) {
 267                 DEBUG(0,("cli_nt_setup_creds: request challenge failed\n"));
 268                 return result;
 269         }
 270
 271         /**************** Long-term Session key **************/
 272
 273         /* calculate the session key */
 274         cred_session_key(&clnt_chal, &srv_chal, mach_pwd,
 275                          cli->sess_key);
 276         memset((char *)cli->sess_key+8, '\0', 8);
 277
 278         /******************* Authenticate 2/3 ********************/
 279
 280         /* calculate auth-2/3 credentials */
 281         zerotime.time = 0;
 282         cred_create(cli->sess_key, &clnt_chal, zerotime, &cli->clnt_cred.challenge);
 283
 284         /*
 285          * Send client auth-2/3 challenge.
 286          * Receive an auth-2/3 challenge response and check it.
 287          */
 288         switch (level) {
 289                 case 2:
 290                         result = cli_net_auth2(cli, sec_chan, neg_flags, &srv_chal);
 291                         break;
 292                 case 3:
 293                         result = cli_net_auth3(cli, sec_chan, neg_flags, &srv_chal);
 294                         break;
 295                 default:
 296                         DEBUG(1,("cli_nt_setup_creds: unsupported auth level: %d\n", level));
 297                         break;
 298         }
 299
 300         if (!NT_STATUS_IS_OK(result))
 301                 DEBUG(1,("cli_nt_setup_creds: auth%d challenge failed %s\n", level, nt_errstr(result)));
 302
 303         return result;
 304 }
 305
 306 /* Logon Control 2 */
 307
 308 NTSTATUS cli_netlogon_logon_ctrl2(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 309                                   uint32 query_level)
 310 {
 311         prs_struct qbuf, rbuf;
 312         NET_Q_LOGON_CTRL2 q;
 313         NET_R_LOGON_CTRL2 r;
 314         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 315
 316         ZERO_STRUCT(q);
 317         ZERO_STRUCT(r);
 318
 319         /* Initialise parse structures */
 320
 321         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 322         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 323
 324         /* Initialise input parameters */
 325
 326         init_net_q_logon_ctrl2(&q, cli->srv_name_slash, query_level);
 327
 328         /* Marshall data and send request */
 329
 330         if (!net_io_q_logon_ctrl2("", &q, &qbuf, 0) ||
 331             !rpc_api_pipe_req(cli, NET_LOGON_CTRL2, &qbuf, &rbuf)) {
 332                 result = NT_STATUS_UNSUCCESSFUL;
 333                 goto done;
 334         }
 335
 336         /* Unmarshall response */
 337
 338         if (!net_io_r_logon_ctrl2("", &r, &rbuf, 0)) {
 339                 result = NT_STATUS_UNSUCCESSFUL;
 340                 goto done;
 341         }
 342
 343         result = r.status;
 344
 345  done:
 346         prs_mem_free(&qbuf);
 347         prs_mem_free(&rbuf);
 348
 349         return result;
 350 }
 351
 352 /****************************************************************************
 353 Generate the next creds to use.  Yuck - this is a cut&paste from another
 354 file.  They should be combined at some stage.  )-:
 355 ****************************************************************************/
 356
 357 static void gen_next_creds( struct cli_state *cli, DOM_CRED *new_clnt_cred)
 358 {
 359         /*
 360          * Create the new client credentials.
 361          */
 362
 363         cli->clnt_cred.timestamp.time = time(NULL);
 364
 365         memcpy(new_clnt_cred, &cli->clnt_cred, sizeof(*new_clnt_cred));
 366
 367         /* Calculate the new credentials. */
 368         cred_create(cli->sess_key, &(cli->clnt_cred.challenge),
 369                     new_clnt_cred->timestamp, &(new_clnt_cred->challenge));
 370 }
 371
 372 /* Sam synchronisation */
 373
 374 NTSTATUS cli_netlogon_sam_sync(struct cli_state *cli, TALLOC_CTX *mem_ctx, DOM_CRED *ret_creds,
 375                                uint32 database_id, uint32 next_rid, uint32 *num_deltas,
 376                                SAM_DELTA_HDR **hdr_deltas,
 377                                SAM_DELTA_CTR **deltas)
 378 {
 379         prs_struct qbuf, rbuf;
 380         NET_Q_SAM_SYNC q;
 381         NET_R_SAM_SYNC r;
 382         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 383         DOM_CRED clnt_creds;
 384
 385         ZERO_STRUCT(q);
 386         ZERO_STRUCT(r);
 387
 388         /* Initialise parse structures */
 389
 390         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 391         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 392
 393         /* Initialise input parameters */
 394
 395         gen_next_creds(cli, &clnt_creds);
 396
 397         init_net_q_sam_sync(&q, cli->srv_name_slash, cli->clnt_name_slash + 2,
 398                             &clnt_creds, ret_creds, database_id, next_rid);
 399
 400         /* Marshall data and send request */
 401
 402         if (!net_io_q_sam_sync("", &q, &qbuf, 0) ||
 403             !rpc_api_pipe_req(cli, NET_SAM_SYNC, &qbuf, &rbuf)) {
 404                 result = NT_STATUS_UNSUCCESSFUL;
 405                 goto done;
 406         }
 407
 408         /* Unmarshall response */
 409
 410         if (!net_io_r_sam_sync("", cli->sess_key, &r, &rbuf, 0)) {
 411                 result = NT_STATUS_UNSUCCESSFUL;
 412                 goto done;
 413         }
 414
 415         /* Return results */
 416
 417         result = r.status;
 418         *num_deltas = r.num_deltas2;
 419         *hdr_deltas = r.hdr_deltas;
 420         *deltas = r.deltas;
 421
 422         memcpy(ret_creds, &r.srv_creds, sizeof(*ret_creds));
 423
 424  done:
 425         prs_mem_free(&qbuf);
 426         prs_mem_free(&rbuf);
 427
 428         return result;
 429 }
 430
 431 /* Sam synchronisation */
 432
 433 NTSTATUS cli_netlogon_sam_deltas(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 434                                  uint32 database_id, UINT64_S seqnum,
 435                                  uint32 *num_deltas,
 436                                  SAM_DELTA_HDR **hdr_deltas,
 437                                  SAM_DELTA_CTR **deltas)
 438 {
 439         prs_struct qbuf, rbuf;
 440         NET_Q_SAM_DELTAS q;
 441         NET_R_SAM_DELTAS r;
 442         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 443         DOM_CRED clnt_creds;
 444
 445         ZERO_STRUCT(q);
 446         ZERO_STRUCT(r);
 447
 448         /* Initialise parse structures */
 449
 450         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 451         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 452
 453         /* Initialise input parameters */
 454
 455         gen_next_creds(cli, &clnt_creds);
 456
 457         init_net_q_sam_deltas(&q, cli->srv_name_slash,
 458                               cli->clnt_name_slash + 2, &clnt_creds,
 459                               database_id, seqnum);
 460
 461         /* Marshall data and send request */
 462
 463         if (!net_io_q_sam_deltas("", &q, &qbuf, 0) ||
 464             !rpc_api_pipe_req(cli, NET_SAM_DELTAS, &qbuf, &rbuf)) {
 465                 result = NT_STATUS_UNSUCCESSFUL;
 466                 goto done;
 467         }
 468
 469         /* Unmarshall response */
 470
 471         if (!net_io_r_sam_deltas("", cli->sess_key, &r, &rbuf, 0)) {
 472                 result = NT_STATUS_UNSUCCESSFUL;
 473                 goto done;
 474         }
 475
 476         /* Return results */
 477
 478         result = r.status;
 479         *num_deltas = r.num_deltas2;
 480         *hdr_deltas = r.hdr_deltas;
 481         *deltas = r.deltas;
 482
 483  done:
 484         prs_mem_free(&qbuf);
 485         prs_mem_free(&rbuf);
 486
 487         return result;
 488 }
 489
 490 /* Logon domain user */
 491
 492 NTSTATUS cli_netlogon_sam_logon(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 493                                 const char *username, const char *password,
 494                                 int logon_type)
 495 {
 496         prs_struct qbuf, rbuf;
 497         NET_Q_SAM_LOGON q;
 498         NET_R_SAM_LOGON r;
 499         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 500         DOM_CRED clnt_creds, dummy_rtn_creds;
 501         NET_ID_INFO_CTR ctr;
 502         NET_USER_INFO_3 user;
 503         int validation_level = 3;
 504
 505         ZERO_STRUCT(q);
 506         ZERO_STRUCT(r);
 507
 508         /* Initialise parse structures */
 509
 510         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 511         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 512
 513         /* Initialise input parameters */
 514
 515         gen_next_creds(cli, &clnt_creds);
 516
 517         q.validation_level = validation_level;
 518
 519         memset(&dummy_rtn_creds, '\0', sizeof(dummy_rtn_creds));
 520         dummy_rtn_creds.timestamp.time = time(NULL);
 521
 522         ctr.switch_value = logon_type;
 523
 524         switch (logon_type) {
 525         case INTERACTIVE_LOGON_TYPE: {
 526                 unsigned char lm_owf_user_pwd[16], nt_owf_user_pwd[16];
 527
 528                 nt_lm_owf_gen(password, nt_owf_user_pwd, lm_owf_user_pwd);
 529
 530                 init_id_info1(&ctr.auth.id1, lp_workgroup(),
 531                               0, /* param_ctrl */
 532                               0xdead, 0xbeef, /* LUID? */
 533                               username, cli->clnt_name_slash,
 534                               cli->sess_key, lm_owf_user_pwd,
 535                               nt_owf_user_pwd);
 536
 537                 break;
 538         }
 539         case NET_LOGON_TYPE: {
 540                 uint8 chal[8];
 541                 unsigned char local_lm_response[24];
 542                 unsigned char local_nt_response[24];
 543
 544                 generate_random_buffer(chal, 8, False);
 545
 546                 SMBencrypt(password, chal, local_lm_response);
 547                 SMBNTencrypt(password, chal, local_nt_response);
 548
 549                 init_id_info2(&ctr.auth.id2, lp_workgroup(),
 550                               0, /* param_ctrl */
 551                               0xdead, 0xbeef, /* LUID? */
 552                               username, cli->clnt_name_slash, chal,
 553                               local_lm_response, 24, local_nt_response, 24);
 554                 break;
 555         }
 556         default:
 557                 DEBUG(0, ("switch value %d not supported\n",
 558                           ctr.switch_value));
 559                 goto done;
 560         }
 561
 562         init_sam_info(&q.sam_id, cli->srv_name_slash, global_myname(),
 563                       &clnt_creds, &dummy_rtn_creds, logon_type,
 564                       &ctr);
 565
 566         /* Marshall data and send request */
 567
 568         if (!net_io_q_sam_logon("", &q, &qbuf, 0) ||
 569             !rpc_api_pipe_req(cli, NET_SAMLOGON, &qbuf, &rbuf)) {
 570                 goto done;
 571         }
 572
 573         /* Unmarshall response */
 574
 575         r.user = &user;
 576
 577         if (!net_io_r_sam_logon("", &r, &rbuf, 0)) {
 578                 goto done;
 579         }
 580
 581         /* Return results */
 582
 583         result = r.status;
 584
 585  done:
 586         prs_mem_free(&qbuf);
 587         prs_mem_free(&rbuf);
 588
 589         return result;
 590 }
 591
 592
 593 /**
 594  * Logon domain user with an 'network' SAM logon
 595  *
 596  * @param info3 Pointer to a NET_USER_INFO_3 already allocated by the caller.
 597  **/
 598
 599 NTSTATUS cli_netlogon_sam_network_logon(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 600                                         const char *username, const char *domain, const char *workstation,
 601                                         const uint8 chal[8],
 602                                         DATA_BLOB lm_response, DATA_BLOB nt_response,
 603                                         NET_USER_INFO_3 *info3)
 604
 605 {
 606         prs_struct qbuf, rbuf;
 607         NET_Q_SAM_LOGON q;
 608         NET_R_SAM_LOGON r;
 609         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 610         DOM_CRED clnt_creds, dummy_rtn_creds;
 611         NET_ID_INFO_CTR ctr;
 612         int validation_level = 3;
 613         char *workstation_name_slash;
 614         uint8 netlogon_sess_key[16];
 615         static uint8 zeros[16];
 616
 617         ZERO_STRUCT(q);
 618         ZERO_STRUCT(r);
 619
 620         workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
 621
 622         if (!workstation_name_slash) {
 623                 DEBUG(0, ("talloc_asprintf failed!\n"));
 624                 return NT_STATUS_NO_MEMORY;
 625         }
 626
 627         /* Initialise parse structures */
 628
 629         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 630         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 631
 632         /* Initialise input parameters */
 633
 634         gen_next_creds(cli, &clnt_creds);
 635
 636         q.validation_level = validation_level;
 637
 638         memset(&dummy_rtn_creds, '\0', sizeof(dummy_rtn_creds));
 639         dummy_rtn_creds.timestamp.time = time(NULL);
 640
 641         ctr.switch_value = NET_LOGON_TYPE;
 642
 643         init_id_info2(&ctr.auth.id2, domain,
 644                       0, /* param_ctrl */
 645                       0xdead, 0xbeef, /* LUID? */
 646                       username, workstation_name_slash, (const uchar*)chal,
 647                       lm_response.data, lm_response.length, nt_response.data, nt_response.length);
 648
 649         init_sam_info(&q.sam_id, cli->srv_name_slash, global_myname(),
 650                       &clnt_creds, &dummy_rtn_creds, NET_LOGON_TYPE,
 651                       &ctr);
 652
 653         /* Marshall data and send request */
 654
 655         if (!net_io_q_sam_logon("", &q, &qbuf, 0) ||
 656             !rpc_api_pipe_req(cli, NET_SAMLOGON, &qbuf, &rbuf)) {
 657                 goto done;
 658         }
 659
 660         /* Unmarshall response */
 661
 662         r.user = info3;
 663
 664         if (!net_io_r_sam_logon("", &r, &rbuf, 0)) {
 665                 goto done;
 666         }
 667
 668         ZERO_STRUCT(netlogon_sess_key);
 669         memcpy(netlogon_sess_key, cli->sess_key, 8);
 670
 671         if (memcmp(zeros, info3->user_sess_key, 16) != 0)
 672                 SamOEMhash(info3->user_sess_key, netlogon_sess_key, 16);
 673
 674         if (memcmp(zeros, info3->padding, 16) != 0)
 675                 SamOEMhash(info3->padding, netlogon_sess_key, 16);
 676
 677         /* Return results */
 678
 679         result = r.status;
 680
 681  done:
 682         prs_mem_free(&qbuf);
 683         prs_mem_free(&rbuf);
 684
 685         return result;
 686 }
 687
 688 /***************************************************************************
 689 LSA Server Password Set.
 690 ****************************************************************************/
 691
 692 NTSTATUS cli_net_srv_pwset(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 693                            const char *machine_name, uint8 hashed_mach_pwd[16])
 694 {
 695         prs_struct rbuf;
 696         prs_struct qbuf;
 697         DOM_CRED new_clnt_cred;
 698         NET_Q_SRV_PWSET q_s;
 699         uint16 sec_chan_type = 2;
 700         NTSTATUS nt_status;
 701         char *mach_acct;
 702
 703         gen_next_creds( cli, &new_clnt_cred);
 704
 705         prs_init(&qbuf , 1024, mem_ctx, MARSHALL);
 706         prs_init(&rbuf, 0,    mem_ctx, UNMARSHALL);
 707
 708         /* create and send a MSRPC command with api NET_SRV_PWSET */
 709
 710         mach_acct = talloc_asprintf(mem_ctx, "%s$", machine_name);
 711
 712         if (!mach_acct) {
 713                 DEBUG(0,("talloc_asprintf failed!\n"));
 714                 nt_status = NT_STATUS_NO_MEMORY;
 715                 goto done;
 716         }
 717
 718         DEBUG(4,("cli_net_srv_pwset: srv:%s acct:%s sc: %d mc: %s clnt %s %x\n",
 719                  cli->srv_name_slash, mach_acct, sec_chan_type, machine_name,
 720                  credstr(new_clnt_cred.challenge.data), new_clnt_cred.timestamp.time));
 721
 722         /* store the parameters */
 723         init_q_srv_pwset(&q_s, cli->srv_name_slash, cli->sess_key,
 724                          mach_acct, sec_chan_type, machine_name,
 725                          &new_clnt_cred, (char *)hashed_mach_pwd);
 726
 727         /* turn parameters into data stream */
 728         if(!net_io_q_srv_pwset("", &q_s,  &qbuf, 0)) {
 729                 DEBUG(0,("cli_net_srv_pwset: Error : failed to marshall NET_Q_SRV_PWSET struct.\n"));
 730                 nt_status = NT_STATUS_UNSUCCESSFUL;
 731                 goto done;
 732         }
 733
 734         /* send the data on \PIPE\ */
 735         if (rpc_api_pipe_req(cli, NET_SRVPWSET, &qbuf, &rbuf))
 736         {
 737                 NET_R_SRV_PWSET r_s;
 738
 739                 if (!net_io_r_srv_pwset("", &r_s, &rbuf, 0)) {
 740                         nt_status =  NT_STATUS_UNSUCCESSFUL;
 741                         goto done;
 742                 }
 743
 744                 nt_status = r_s.status;
 745
 746                 if (!NT_STATUS_IS_OK(r_s.status))
 747                 {
 748                         /* report error code */
 749                         DEBUG(0,("cli_net_srv_pwset: %s\n", nt_errstr(nt_status)));
 750                         goto done;
 751                 }
 752
 753                 /* Update the credentials. */
 754                 if (!clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), &(r_s.srv_cred)))
 755                 {
 756                         /*
 757                          * Server replied with bad credential. Fail.
 758                          */
 759                         DEBUG(0,("cli_net_srv_pwset: server %s replied with bad credential (bad machine \
 760 password ?).\n", cli->desthost ));
 761                         nt_status = NT_STATUS_UNSUCCESSFUL;
 762                 }
 763         }
 764
 765  done:
 766         prs_mem_free(&qbuf);
 767         prs_mem_free(&rbuf);
 768
 769         return nt_status;
 770 }
 771