source/libsmb/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 /* Opens a SMB connection to the netlogon pipe */
  29
  30 struct cli_state *cli_netlogon_initialise(struct cli_state *cli,
  31                                           char *system_name,
  32                                           struct ntuser_creds *creds)
  33 {
  34         return cli_pipe_initialise(cli, system_name, PIPE_NETLOGON, creds);
  35 }
  36
  37 /* LSA Request Challenge. Sends our challenge to server, then gets
  38    server response. These are used to generate the credentials. */
  39
  40 NTSTATUS new_cli_net_req_chal(struct cli_state *cli, DOM_CHAL *clnt_chal,
  41                               DOM_CHAL *srv_chal)
  42 {
  43         prs_struct qbuf, rbuf;
  44         NET_Q_REQ_CHAL q;
  45         NET_R_REQ_CHAL r;
  46         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
  47         extern pstring global_myname;
  48
  49         prs_init(&qbuf, MAX_PDU_FRAG_LEN, cli->mem_ctx, MARSHALL);
  50         prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL);
  51
  52         /* create and send a MSRPC command with api NET_REQCHAL */
  53
  54         DEBUG(4,("new_cli_net_req_chal: LSA Request Challenge from %s to %s: %s\n",
  55                  cli->desthost, global_myname, credstr(clnt_chal->data)));
  56
  57         /* store the parameters */
  58         init_q_req_chal(&q, cli->srv_name_slash, global_myname, clnt_chal);
  59
  60         /* Marshall data and send request */
  61
  62         if (!net_io_q_req_chal("", &q,  &qbuf, 0) ||
  63             !rpc_api_pipe_req(cli, NET_REQCHAL, &qbuf, &rbuf)) {
  64                 goto done;
  65         }
  66
  67         /* Unmarhall response */
  68
  69         if (!net_io_r_req_chal("", &r, &rbuf, 0)) {
  70                 goto done;
  71         }
  72
  73         result = r.status;
  74
  75         /* Return result */
  76
  77         if (NT_STATUS_IS_OK(result)) {
  78                 memcpy(srv_chal, r.srv_chal.data, sizeof(srv_chal->data));
  79         }
  80
  81  done:
  82         prs_mem_free(&qbuf);
  83         prs_mem_free(&rbuf);
  84
  85         return result;
  86 }
  87
  88 /****************************************************************************
  89 LSA Authenticate 2
  90
  91 Send the client credential, receive back a server credential.
  92 Ensure that the server credential returned matches the session key
  93 encrypt of the server challenge originally received. JRA.
  94 ****************************************************************************/
  95
  96 NTSTATUS new_cli_net_auth2(struct cli_state *cli,
  97                            uint16 sec_chan,
  98                            uint32 neg_flags, DOM_CHAL *srv_chal)
  99 {
 100         prs_struct qbuf, rbuf;
 101         NET_Q_AUTH_2 q;
 102         NET_R_AUTH_2 r;
 103         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 104         extern pstring global_myname;
 105
 106         prs_init(&qbuf, MAX_PDU_FRAG_LEN, cli->mem_ctx, MARSHALL);
 107         prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL);
 108
 109         /* create and send a MSRPC command with api NET_AUTH2 */
 110
 111         DEBUG(4,("new_cli_net_auth2: srv:%s acct:%s sc:%x mc: %s chal %s neg: %x\n",
 112                  cli->srv_name_slash, cli->mach_acct, sec_chan, global_myname,
 113                  credstr(cli->clnt_cred.challenge.data), neg_flags));
 114
 115         /* store the parameters */
 116         init_q_auth_2(&q, cli->srv_name_slash, cli->mach_acct,
 117                       sec_chan, global_myname, &cli->clnt_cred.challenge,
 118                       neg_flags);
 119
 120         /* turn parameters into data stream */
 121
 122         if (!net_io_q_auth_2("", &q,  &qbuf, 0) ||
 123             !rpc_api_pipe_req(cli, NET_AUTH2, &qbuf, &rbuf)) {
 124                 goto done;
 125         }
 126
 127         /* Unmarshall response */
 128
 129         if (!net_io_r_auth_2("", &r, &rbuf, 0)) {
 130                 goto done;
 131         }
 132
 133         result = r.status;
 134
 135         if (NT_STATUS_IS_OK(result)) {
 136                 UTIME zerotime;
 137
 138                 /*
 139                  * Check the returned value using the initial
 140                  * server received challenge.
 141                  */
 142
 143                 zerotime.time = 0;
 144                 if (cred_assert( &r.srv_chal, cli->sess_key, srv_chal,
 145                                  zerotime) == 0) {
 146
 147                         /*
 148                          * Server replied with bad credential. Fail.
 149                          */
 150                         DEBUG(0,("new_cli_net_auth2: server %s replied with bad credential (bad machine \
 151 password ?).\n", cli->desthost ));
 152                         result = NT_STATUS_ACCESS_DENIED;
 153                         goto done;
 154                 }
 155         }
 156
 157  done:
 158         prs_mem_free(&qbuf);
 159         prs_mem_free(&rbuf);
 160
 161         return result;
 162 }
 163
 164 /* Initialize domain session credentials */
 165
 166 NTSTATUS new_cli_nt_setup_creds(struct cli_state *cli,
 167                                 uint16 sec_chan,
 168                                 const unsigned char mach_pwd[16])
 169 {
 170         DOM_CHAL clnt_chal;
 171         DOM_CHAL srv_chal;
 172         UTIME zerotime;
 173         NTSTATUS result;
 174
 175         /******************* Request Challenge ********************/
 176
 177         generate_random_buffer(clnt_chal.data, 8, False);
 178
 179         /* send a client challenge; receive a server challenge */
 180         result = new_cli_net_req_chal(cli, &clnt_chal, &srv_chal);
 181
 182         if (!NT_STATUS_IS_OK(result)) {
 183                 DEBUG(0,("new_cli_nt_setup_creds: request challenge failed\n"));
 184                 return result;
 185         }
 186
 187         /**************** Long-term Session key **************/
 188
 189         /* calculate the session key */
 190         cred_session_key(&clnt_chal, &srv_chal, mach_pwd,
 191                          cli->sess_key);
 192         memset((char *)cli->sess_key+8, '\0', 8);
 193
 194         /******************* Authenticate 2 ********************/
 195
 196         /* calculate auth-2 credentials */
 197         zerotime.time = 0;
 198         cred_create(cli->sess_key, &clnt_chal, zerotime,
 199                     &cli->clnt_cred.challenge);
 200
 201         /*
 202          * Send client auth-2 challenge.
 203          * Receive an auth-2 challenge response and check it.
 204          */
 205
 206         result = new_cli_net_auth2(cli, sec_chan, 0x000001ff,
 207                                    &srv_chal);
 208         if (!NT_STATUS_IS_OK(result)) {
 209                 DEBUG(0,("new_cli_nt_setup_creds: auth2 challenge failed %s\n",
 210                          get_nt_error_msg(result)));
 211         }
 212
 213         return result;
 214 }
 215
 216 /* Logon Control 2 */
 217
 218 NTSTATUS cli_netlogon_logon_ctrl2(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 219                                   uint32 query_level)
 220 {
 221         prs_struct qbuf, rbuf;
 222         NET_Q_LOGON_CTRL2 q;
 223         NET_R_LOGON_CTRL2 r;
 224         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 225
 226         ZERO_STRUCT(q);
 227         ZERO_STRUCT(r);
 228
 229         /* Initialise parse structures */
 230
 231         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 232         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 233
 234         /* Initialise input parameters */
 235
 236         init_net_q_logon_ctrl2(&q, cli->srv_name_slash, query_level);
 237
 238         /* Marshall data and send request */
 239
 240         if (!net_io_q_logon_ctrl2("", &q, &qbuf, 0) ||
 241             !rpc_api_pipe_req(cli, NET_LOGON_CTRL2, &qbuf, &rbuf)) {
 242                 result = NT_STATUS_UNSUCCESSFUL;
 243                 goto done;
 244         }
 245
 246         /* Unmarshall response */
 247
 248         if (!net_io_r_logon_ctrl2("", &r, &rbuf, 0)) {
 249                 result = NT_STATUS_UNSUCCESSFUL;
 250                 goto done;
 251         }
 252
 253         result = r.status;
 254
 255  done:
 256         prs_mem_free(&qbuf);
 257         prs_mem_free(&rbuf);
 258
 259         return result;
 260 }
 261
 262 /****************************************************************************
 263 Generate the next creds to use.  Yuck - this is a cut&paste from another
 264 file.  They should be combined at some stage.  )-:
 265 ****************************************************************************/
 266
 267 static void gen_next_creds( struct cli_state *cli, DOM_CRED *new_clnt_cred)
 268 {
 269   /*
 270    * Create the new client credentials.
 271    */
 272
 273   cli->clnt_cred.timestamp.time = time(NULL);
 274
 275   memcpy(new_clnt_cred, &cli->clnt_cred, sizeof(*new_clnt_cred));
 276
 277   /* Calculate the new credentials. */
 278   cred_create(cli->sess_key, &(cli->clnt_cred.challenge),
 279               new_clnt_cred->timestamp, &(new_clnt_cred->challenge));
 280
 281 }
 282
 283 /* Sam synchronisation */
 284
 285 NTSTATUS cli_netlogon_sam_sync(struct cli_state *cli, TALLOC_CTX *mem_ctx, DOM_CRED *ret_creds,
 286                                uint32 database_id, uint32 *num_deltas,
 287                                SAM_DELTA_HDR **hdr_deltas,
 288                                SAM_DELTA_CTR **deltas)
 289 {
 290         prs_struct qbuf, rbuf;
 291         NET_Q_SAM_SYNC q;
 292         NET_R_SAM_SYNC r;
 293         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 294         DOM_CRED clnt_creds;
 295
 296         ZERO_STRUCT(q);
 297         ZERO_STRUCT(r);
 298
 299         /* Initialise parse structures */
 300
 301         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 302         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 303
 304         /* Initialise input parameters */
 305
 306         gen_next_creds(cli, &clnt_creds);
 307
 308         init_net_q_sam_sync(&q, cli->srv_name_slash, cli->clnt_name_slash + 2,
 309                             &clnt_creds, ret_creds, database_id);
 310
 311         /* Marshall data and send request */
 312
 313         if (!net_io_q_sam_sync("", &q, &qbuf, 0) ||
 314             !rpc_api_pipe_req(cli, NET_SAM_SYNC, &qbuf, &rbuf)) {
 315                 result = NT_STATUS_UNSUCCESSFUL;
 316                 goto done;
 317         }
 318
 319         /* Unmarshall response */
 320
 321         if (!net_io_r_sam_sync("", cli->sess_key, &r, &rbuf, 0)) {
 322                 result = NT_STATUS_UNSUCCESSFUL;
 323                 goto done;
 324         }
 325
 326         /* Return results */
 327
 328         result = r.status;
 329         *num_deltas = r.num_deltas2;
 330         *hdr_deltas = r.hdr_deltas;
 331         *deltas = r.deltas;
 332
 333         memcpy(ret_creds, &r.srv_creds, sizeof(*ret_creds));
 334
 335  done:
 336         prs_mem_free(&qbuf);
 337         prs_mem_free(&rbuf);
 338
 339         return result;
 340 }
 341
 342 /* Sam synchronisation */
 343
 344 NTSTATUS cli_netlogon_sam_deltas(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 345                                  uint32 database_id, UINT64_S seqnum,
 346                                  uint32 *num_deltas,
 347                                  SAM_DELTA_HDR **hdr_deltas,
 348                                  SAM_DELTA_CTR **deltas)
 349 {
 350         prs_struct qbuf, rbuf;
 351         NET_Q_SAM_DELTAS q;
 352         NET_R_SAM_DELTAS r;
 353         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 354         DOM_CRED clnt_creds;
 355
 356         ZERO_STRUCT(q);
 357         ZERO_STRUCT(r);
 358
 359         /* Initialise parse structures */
 360
 361         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 362         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 363
 364         /* Initialise input parameters */
 365
 366         gen_next_creds(cli, &clnt_creds);
 367
 368         init_net_q_sam_deltas(&q, cli->srv_name_slash,
 369                               cli->clnt_name_slash + 2, &clnt_creds,
 370                               database_id, seqnum);
 371
 372         /* Marshall data and send request */
 373
 374         if (!net_io_q_sam_deltas("", &q, &qbuf, 0) ||
 375             !rpc_api_pipe_req(cli, NET_SAM_DELTAS, &qbuf, &rbuf)) {
 376                 result = NT_STATUS_UNSUCCESSFUL;
 377                 goto done;
 378         }
 379
 380         /* Unmarshall response */
 381
 382         if (!net_io_r_sam_deltas("", cli->sess_key, &r, &rbuf, 0)) {
 383                 result = NT_STATUS_UNSUCCESSFUL;
 384                 goto done;
 385         }
 386
 387         /* Return results */
 388
 389         result = r.status;
 390         *num_deltas = r.num_deltas2;
 391         *hdr_deltas = r.hdr_deltas;
 392         *deltas = r.deltas;
 393
 394  done:
 395         prs_mem_free(&qbuf);
 396         prs_mem_free(&rbuf);
 397
 398         return result;
 399 }
 400
 401 /* Logon domain user */
 402
 403 NTSTATUS cli_netlogon_sam_logon(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 404                                 char *username, char *password,
 405                                 int logon_type)
 406 {
 407         prs_struct qbuf, rbuf;
 408         NET_Q_SAM_LOGON q;
 409         NET_R_SAM_LOGON r;
 410         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 411         DOM_CRED clnt_creds, dummy_rtn_creds;
 412         extern pstring global_myname;
 413         NET_ID_INFO_CTR ctr;
 414         NET_USER_INFO_3 user;
 415         int validation_level = 3;
 416
 417         ZERO_STRUCT(q);
 418         ZERO_STRUCT(r);
 419
 420         /* Initialise parse structures */
 421
 422         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 423         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 424
 425         /* Initialise input parameters */
 426
 427         gen_next_creds(cli, &clnt_creds);
 428
 429         q.validation_level = validation_level;
 430
 431         memset(&dummy_rtn_creds, '\0', sizeof(dummy_rtn_creds));
 432         dummy_rtn_creds.timestamp.time = time(NULL);
 433
 434         ctr.switch_value = logon_type;
 435
 436         switch (logon_type) {
 437         case INTERACTIVE_LOGON_TYPE: {
 438                 unsigned char lm_owf_user_pwd[16], nt_owf_user_pwd[16];
 439
 440                 nt_lm_owf_gen(password, nt_owf_user_pwd, lm_owf_user_pwd);
 441
 442                 init_id_info1(&ctr.auth.id1, lp_workgroup(),
 443                               0, /* param_ctrl */
 444                               0xdead, 0xbeef, /* LUID? */
 445                               username, cli->clnt_name_slash,
 446                               (char *)cli->sess_key, lm_owf_user_pwd,
 447                               nt_owf_user_pwd);
 448
 449                 break;
 450         }
 451         case NET_LOGON_TYPE: {
 452                 uint8 chal[8];
 453                 unsigned char local_lm_response[24];
 454                 unsigned char local_nt_response[24];
 455
 456                 generate_random_buffer(chal, 8, False);
 457
 458                 SMBencrypt((const uchar *)password, chal, local_lm_response);
 459                 SMBNTencrypt((const uchar *)password, chal, local_nt_response);
 460
 461                 init_id_info2(&ctr.auth.id2, lp_workgroup(),
 462                               0, /* param_ctrl */
 463                               0xdead, 0xbeef, /* LUID? */
 464                               username, cli->clnt_name_slash, chal,
 465                               local_lm_response, 24, local_nt_response, 24);
 466                 break;
 467         }
 468         default:
 469                 DEBUG(0, ("switch value %d not supported\n",
 470                           ctr.switch_value));
 471                 goto done;
 472         }
 473
 474         init_sam_info(&q.sam_id, cli->srv_name_slash, global_myname,
 475                       &clnt_creds, &dummy_rtn_creds, logon_type,
 476                       &ctr);
 477
 478         /* Marshall data and send request */
 479
 480         if (!net_io_q_sam_logon("", &q, &qbuf, 0) ||
 481             !rpc_api_pipe_req(cli, NET_SAMLOGON, &qbuf, &rbuf)) {
 482                 goto done;
 483         }
 484
 485         /* Unmarshall response */
 486
 487         r.user = &user;
 488
 489         if (!net_io_r_sam_logon("", &r, &rbuf, 0)) {
 490                 goto done;
 491         }
 492
 493         /* Return results */
 494
 495         result = r.status;
 496
 497  done:
 498         prs_mem_free(&qbuf);
 499         prs_mem_free(&rbuf);
 500
 501         return result;
 502 }
 503
 504 /**
 505  * Logon domain user with an 'network' SAM logon
 506  *
 507  * @param info3 Pointer to a NET_USER_INFO_3 already allocated by the caller.
 508  **/
 509
 510 NTSTATUS cli_netlogon_sam_network_logon(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 511                                         const char *username, const char *domain, const char *workstation,
 512                                         const uint8 chal[8],
 513                                         DATA_BLOB lm_response, DATA_BLOB nt_response,
 514                                         NET_USER_INFO_3 *info3)
 515
 516 {
 517         prs_struct qbuf, rbuf;
 518         NET_Q_SAM_LOGON q;
 519         NET_R_SAM_LOGON r;
 520         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 521         DOM_CRED clnt_creds, dummy_rtn_creds;
 522         NET_ID_INFO_CTR ctr;
 523         extern pstring global_myname;
 524         int validation_level = 3;
 525         char *workstation_name_slash;
 526
 527         ZERO_STRUCT(q);
 528         ZERO_STRUCT(r);
 529
 530         workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
 531
 532         if (!workstation_name_slash) {
 533                 DEBUG(0, ("talloc_asprintf failed!\n"));
 534                 return NT_STATUS_NO_MEMORY;
 535         }
 536
 537         /* Initialise parse structures */
 538
 539         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 540         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 541
 542         /* Initialise input parameters */
 543
 544         gen_next_creds(cli, &clnt_creds);
 545
 546         q.validation_level = validation_level;
 547
 548         memset(&dummy_rtn_creds, '\0', sizeof(dummy_rtn_creds));
 549         dummy_rtn_creds.timestamp.time = time(NULL);
 550
 551         ctr.switch_value = NET_LOGON_TYPE;
 552
 553         init_id_info2(&ctr.auth.id2, domain,
 554                       0, /* param_ctrl */
 555                       0xdead, 0xbeef, /* LUID? */
 556                       username, workstation_name_slash, (const uchar*)chal,
 557                       lm_response.data, lm_response.length, nt_response.data, nt_response.length);
 558
 559         init_sam_info(&q.sam_id, cli->srv_name_slash, global_myname,
 560                       &clnt_creds, &dummy_rtn_creds, NET_LOGON_TYPE,
 561                       &ctr);
 562
 563         /* Marshall data and send request */
 564
 565         if (!net_io_q_sam_logon("", &q, &qbuf, 0) ||
 566             !rpc_api_pipe_req(cli, NET_SAMLOGON, &qbuf, &rbuf)) {
 567                 goto done;
 568         }
 569
 570         /* Unmarshall response */
 571
 572         r.user = info3;
 573
 574         if (!net_io_r_sam_logon("", &r, &rbuf, 0)) {
 575                 goto done;
 576         }
 577
 578         /* Return results */
 579
 580         result = r.status;
 581
 582  done:
 583         prs_mem_free(&qbuf);
 584         prs_mem_free(&rbuf);
 585
 586         return result;
 587 }
 588
 589 #if 0   /* JERRY */
 590
 591 /*
 592  * Still using old implementation in rpc_client/cli_netlogon.c
 593  */
 594
 595 /***************************************************************************
 596 LSA Server Password Set.
 597 ****************************************************************************/
 598
 599  NTSTATUS cli_net_srv_pwset(struct cli_state *cli, TALLOC_CTX *mem_ctx,
 600                            char* machine_name, uint8 hashed_mach_pwd[16])
 601 {
 602         prs_struct rbuf;
 603         prs_struct qbuf;
 604         DOM_CRED new_clnt_cred;
 605         NET_Q_SRV_PWSET q_s;
 606         uint16 sec_chan_type = 2;
 607         NTSTATUS nt_status;
 608         char *mach_acct;
 609
 610         gen_next_creds( cli, &new_clnt_cred);
 611
 612         prs_init(&qbuf , 1024, mem_ctx, MARSHALL);
 613         prs_init(&rbuf, 0,    mem_ctx, UNMARSHALL);
 614
 615         /* create and send a MSRPC command with api NET_SRV_PWSET */
 616
 617         mach_acct = talloc_asprintf(mem_ctx, "%s$", machine_name);
 618
 619         if (!mach_acct) {
 620                 DEBUG(0,("talloc_asprintf failed!\n"));
 621                 nt_status = NT_STATUS_NO_MEMORY;
 622                 goto done;
 623         }
 624
 625         DEBUG(4,("cli_net_srv_pwset: srv:%s acct:%s sc: %d mc: %s clnt %s %x\n",
 626                  cli->srv_name_slash, mach_acct, sec_chan_type, machine_name,
 627                  credstr(new_clnt_cred.challenge.data), new_clnt_cred.timestamp.time));
 628
 629         /* store the parameters */
 630         init_q_srv_pwset(&q_s, cli->srv_name_slash, cli->sess_key,
 631                          mach_acct, sec_chan_type, machine_name,
 632                          &new_clnt_cred, (char *)hashed_mach_pwd);
 633
 634         /* turn parameters into data stream */
 635         if(!net_io_q_srv_pwset("", &q_s,  &qbuf, 0)) {
 636                 DEBUG(0,("cli_net_srv_pwset: Error : failed to marshall NET_Q_SRV_PWSET struct.\n"));
 637                 nt_status = NT_STATUS_UNSUCCESSFUL;
 638                 goto done;
 639         }
 640
 641         /* send the data on \PIPE\ */
 642         if (rpc_api_pipe_req(cli, NET_SRVPWSET, &qbuf, &rbuf))
 643         {
 644                 NET_R_SRV_PWSET r_s;
 645
 646                 if (!net_io_r_srv_pwset("", &r_s, &rbuf, 0)) {
 647                         nt_status =  NT_STATUS_UNSUCCESSFUL;
 648                         goto done;
 649                 }
 650
 651                 nt_status = r_s.status;
 652
 653                 if (!NT_STATUS_IS_OK(r_s.status))
 654                 {
 655                         /* report error code */
 656                         DEBUG(0,("cli_net_srv_pwset: %s\n", nt_errstr(nt_status)));
 657                         goto done;
 658                 }
 659
 660                 /* Update the credentials. */
 661                 if (!clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), &(r_s.srv_cred)))
 662                 {
 663                         /*
 664                          * Server replied with bad credential. Fail.
 665                          */
 666                         DEBUG(0,("cli_net_srv_pwset: server %s replied with bad credential (bad machine \
 667 password ?).\n", cli->desthost ));
 668                         nt_status = NT_STATUS_UNSUCCESSFUL;
 669                 }
 670         }
 671
 672  done:
 673         prs_mem_free(&qbuf);
 674         prs_mem_free(&rbuf);
 675
 676         return nt_status;
 677 }
 678
 679 #endif  /* JERRY */
 680