source/rpc_server/srv_netlog_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell              1992-1997,
   5  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
   6  *  Copyright (C) Paul Ashton                       1997.
   7  *  Copyright (C) Jeremy Allison               1998-2001.
   8  *  Copyright (C) Andrew Bartlett                   2001.
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 /* This is the implementation of the netlogon pipe. */
  26
  27 #include "includes.h"
  28
  29 extern userdom_struct current_user_info;
  30
  31 #undef DBGC_CLASS
  32 #define DBGC_CLASS DBGC_RPC_SRV
  33
  34 /*************************************************************************
  35  init_net_r_req_chal:
  36  *************************************************************************/
  37
  38 static void init_net_r_req_chal(NET_R_REQ_CHAL *r_c,
  39                                 DOM_CHAL *srv_chal, NTSTATUS status)
  40 {
  41         DEBUG(6,("init_net_r_req_chal: %d\n", __LINE__));
  42         memcpy(r_c->srv_chal.data, srv_chal->data, sizeof(srv_chal->data));
  43         r_c->status = status;
  44 }
  45
  46 /*************************************************************************
  47  error messages cropping up when using nltest.exe...
  48  *************************************************************************/
  49
  50 #define ERROR_NO_SUCH_DOMAIN   0x54b
  51 #define ERROR_NO_LOGON_SERVERS 0x51f
  52 #define NO_ERROR               0x0
  53
  54 /*************************************************************************
  55  net_reply_logon_ctrl:
  56  *************************************************************************/
  57
  58 NTSTATUS _net_logon_ctrl(pipes_struct *p, NET_Q_LOGON_CTRL *q_u,
  59                        NET_R_LOGON_CTRL *r_u)
  60 {
  61         uint32 flags = 0x0;
  62         uint32 pdc_connection_status = 0x00; /* Maybe a win32 error code? */
  63
  64         /* Setup the Logon Control response */
  65
  66         init_net_r_logon_ctrl(r_u, q_u->query_level, flags,
  67                               pdc_connection_status);
  68
  69         return r_u->status;
  70 }
  71
  72 /****************************************************************************
  73 Send a message to smbd to do a sam synchronisation
  74 **************************************************************************/
  75
  76 static void send_sync_message(void)
  77 {
  78         DEBUG(3, ("sending sam synchronisation message\n"));
  79         message_send_all(smbd_messaging_context(), MSG_SMB_SAM_SYNC, NULL, 0,
  80                          NULL);
  81 }
  82
  83 /*************************************************************************
  84  net_reply_logon_ctrl2:
  85  *************************************************************************/
  86
  87 NTSTATUS _net_logon_ctrl2(pipes_struct *p, NET_Q_LOGON_CTRL2 *q_u, NET_R_LOGON_CTRL2 *r_u)
  88 {
  89         uint32 flags = 0x0;
  90         uint32 pdc_connection_status = 0x0;
  91         uint32 logon_attempts = 0x0;
  92         uint32 tc_status;
  93         fstring servername, domain, dc_name, dc_name2;
  94         struct in_addr dc_ip;
  95
  96         /* this should be \\global_myname() */
  97         unistr2_to_ascii(servername, &q_u->uni_server_name, sizeof(servername));
  98
  99         r_u->status = NT_STATUS_OK;
 100
 101         tc_status = ERROR_NO_SUCH_DOMAIN;
 102         fstrcpy( dc_name, "" );
 103
 104         switch ( q_u->function_code ) {
 105                 case NETLOGON_CONTROL_TC_QUERY:
 106                         unistr2_to_ascii(domain, &q_u->info.info6.domain, sizeof(domain));
 107
 108                         if ( !is_trusted_domain( domain ) )
 109                                 break;
 110
 111                         if ( !get_dc_name( domain, NULL, dc_name2, &dc_ip ) ) {
 112                                 tc_status = ERROR_NO_LOGON_SERVERS;
 113                                 break;
 114                         }
 115
 116                         fstr_sprintf( dc_name, "\\\\%s", dc_name2 );
 117
 118                         tc_status = NO_ERROR;
 119
 120                         break;
 121
 122                 case NETLOGON_CONTROL_REDISCOVER:
 123                         unistr2_to_ascii(domain, &q_u->info.info6.domain, sizeof(domain));
 124
 125                         if ( !is_trusted_domain( domain ) )
 126                                 break;
 127
 128                         if ( !get_dc_name( domain, NULL, dc_name2, &dc_ip ) ) {
 129                                 tc_status = ERROR_NO_LOGON_SERVERS;
 130                                 break;
 131                         }
 132
 133                         fstr_sprintf( dc_name, "\\\\%s", dc_name2 );
 134
 135                         tc_status = NO_ERROR;
 136
 137                         break;
 138
 139                 default:
 140                         /* no idea what this should be */
 141                         DEBUG(0,("_net_logon_ctrl2: unimplemented function level [%d]\n",
 142                                 q_u->function_code));
 143         }
 144
 145         /* prepare the response */
 146
 147         init_net_r_logon_ctrl2( r_u, q_u->query_level, flags,
 148                 pdc_connection_status, logon_attempts, tc_status, dc_name );
 149
 150         if (lp_server_role() == ROLE_DOMAIN_BDC)
 151                 send_sync_message();
 152
 153         return r_u->status;
 154 }
 155
 156 /*************************************************************************
 157  net_reply_trust_dom_list:
 158  *************************************************************************/
 159
 160 NTSTATUS _net_trust_dom_list(pipes_struct *p, NET_Q_TRUST_DOM_LIST *q_u, NET_R_TRUST_DOM_LIST *r_u)
 161 {
 162         const char *trusted_domain = "test_domain";
 163         uint32 num_trust_domains = 1;
 164
 165         DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
 166
 167         /* set up the Trusted Domain List response */
 168         init_r_trust_dom(r_u, num_trust_domains, trusted_domain);
 169
 170         DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
 171
 172         return r_u->status;
 173 }
 174
 175 /***********************************************************************************
 176  init_net_r_srv_pwset:
 177  ***********************************************************************************/
 178
 179 static void init_net_r_srv_pwset(NET_R_SRV_PWSET *r_s,
 180                                  DOM_CRED *srv_cred, NTSTATUS status)
 181 {
 182         DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
 183
 184         memcpy(&r_s->srv_cred, srv_cred, sizeof(r_s->srv_cred));
 185         r_s->status = status;
 186
 187         DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
 188 }
 189
 190 /******************************************************************
 191  gets a machine password entry.  checks access rights of the host.
 192  ******************************************************************/
 193
 194 static NTSTATUS get_md4pw(char *md4pw, char *mach_acct, uint16 sec_chan_type)
 195 {
 196         struct samu *sampass = NULL;
 197         const uint8 *pass;
 198         BOOL ret;
 199         uint32 acct_ctrl;
 200
 201 #if 0
 202     /*
 203      * Currently this code is redundent as we already have a filter
 204      * by hostname list. What this code really needs to do is to
 205      * get a hosts allowed/hosts denied list from the SAM database
 206      * on a per user basis, and make the access decision there.
 207      * I will leave this code here for now as a reminder to implement
 208      * this at a later date. JRA.
 209      */
 210
 211         if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
 212                           client_name(), client_addr()))
 213         {
 214                 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
 215                 return False;
 216         }
 217 #endif /* 0 */
 218
 219         if ( !(sampass = samu_new( NULL )) ) {
 220                 return NT_STATUS_NO_MEMORY;
 221         }
 222
 223         /* JRA. This is ok as it is only used for generating the challenge. */
 224         become_root();
 225         ret = pdb_getsampwnam(sampass, mach_acct);
 226         unbecome_root();
 227
 228         if (!ret) {
 229                 DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
 230                 TALLOC_FREE(sampass);
 231                 return NT_STATUS_ACCESS_DENIED;
 232         }
 233
 234         acct_ctrl = pdb_get_acct_ctrl(sampass);
 235         if (acct_ctrl & ACB_DISABLED) {
 236                 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
 237                 TALLOC_FREE(sampass);
 238                 return NT_STATUS_ACCOUNT_DISABLED;
 239         }
 240
 241         if (!(acct_ctrl & ACB_SVRTRUST) &&
 242             !(acct_ctrl & ACB_WSTRUST) &&
 243             !(acct_ctrl & ACB_DOMTRUST))
 244         {
 245                 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
 246                 TALLOC_FREE(sampass);
 247                 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 248         }
 249
 250         switch (sec_chan_type) {
 251                 case SEC_CHAN_BDC:
 252                         if (!(acct_ctrl & ACB_SVRTRUST)) {
 253                                 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
 254                                          "but not a server trust account\n", mach_acct));
 255                                 TALLOC_FREE(sampass);
 256                                 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 257                         }
 258                         break;
 259                 case SEC_CHAN_WKSTA:
 260                         if (!(acct_ctrl & ACB_WSTRUST)) {
 261                                 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
 262                                          "but not a workstation trust account\n", mach_acct));
 263                                 TALLOC_FREE(sampass);
 264                                 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 265                         }
 266                         break;
 267                 case SEC_CHAN_DOMAIN:
 268                         if (!(acct_ctrl & ACB_DOMTRUST)) {
 269                                 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
 270                                          "but not a interdomain trust account\n", mach_acct));
 271                                 TALLOC_FREE(sampass);
 272                                 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 273                         }
 274                         break;
 275                 default:
 276                         break;
 277         }
 278
 279         if ((pass = pdb_get_nt_passwd(sampass)) == NULL) {
 280                 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
 281                 TALLOC_FREE(sampass);
 282                 return NT_STATUS_LOGON_FAILURE;
 283         }
 284
 285         memcpy(md4pw, pass, 16);
 286         dump_data(5, (uint8 *)md4pw, 16);
 287
 288         TALLOC_FREE(sampass);
 289
 290         return NT_STATUS_OK;
 291
 292
 293 }
 294
 295 /*************************************************************************
 296  _net_req_chal
 297  *************************************************************************/
 298
 299 NTSTATUS _net_req_chal(pipes_struct *p, NET_Q_REQ_CHAL *q_u, NET_R_REQ_CHAL *r_u)
 300 {
 301         if (!p->dc) {
 302                 p->dc = TALLOC_ZERO_P(p->pipe_state_mem_ctx, struct dcinfo);
 303                 if (!p->dc) {
 304                         return NT_STATUS_NO_MEMORY;
 305                 }
 306         } else {
 307                 DEBUG(10,("_net_req_chal: new challenge requested. Clearing old state.\n"));
 308                 ZERO_STRUCTP(p->dc);
 309         }
 310
 311         rpcstr_pull(p->dc->remote_machine,
 312                         q_u->uni_logon_clnt.buffer,
 313                         sizeof(fstring),q_u->uni_logon_clnt.uni_str_len*2,0);
 314
 315         /* Save the client challenge to the server. */
 316         memcpy(p->dc->clnt_chal.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 317
 318         /* Create a server challenge for the client */
 319         /* Set this to a random value. */
 320         generate_random_buffer(p->dc->srv_chal.data, 8);
 321
 322         /* set up the LSA REQUEST CHALLENGE response */
 323         init_net_r_req_chal(r_u, &p->dc->srv_chal, NT_STATUS_OK);
 324
 325         p->dc->challenge_sent = True;
 326
 327         return NT_STATUS_OK;
 328 }
 329
 330 /*************************************************************************
 331  init_net_r_auth:
 332  *************************************************************************/
 333
 334 static void init_net_r_auth(NET_R_AUTH *r_a, DOM_CHAL *resp_cred, NTSTATUS status)
 335 {
 336         memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
 337         r_a->status = status;
 338 }
 339
 340 /*************************************************************************
 341  _net_auth. Create the initial credentials.
 342  *************************************************************************/
 343
 344 NTSTATUS _net_auth(pipes_struct *p, NET_Q_AUTH *q_u, NET_R_AUTH *r_u)
 345 {
 346         NTSTATUS status;
 347         fstring mach_acct;
 348         fstring remote_machine;
 349         DOM_CHAL srv_chal_out;
 350
 351         if (!p->dc || !p->dc->challenge_sent) {
 352                 return NT_STATUS_ACCESS_DENIED;
 353         }
 354
 355         rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
 356                                 q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
 357         rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
 358                                 q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
 359
 360         status = get_md4pw((char *)p->dc->mach_pw, mach_acct, q_u->clnt_id.sec_chan);
 361         if (!NT_STATUS_IS_OK(status)) {
 362                 DEBUG(0,("_net_auth: creds_server_check failed. Failed to "
 363                         "get password for machine account %s "
 364                         "from client %s: %s\n",
 365                         mach_acct, remote_machine, nt_errstr(status) ));
 366                 /* always return NT_STATUS_ACCESS_DENIED */
 367                 return NT_STATUS_ACCESS_DENIED;
 368         }
 369
 370         /* From the client / server challenges and md4 password, generate sess key */
 371         creds_server_init(0,                    /* No neg flags. */
 372                         p->dc,
 373                         &p->dc->clnt_chal,      /* Stored client chal. */
 374                         &p->dc->srv_chal,       /* Stored server chal. */
 375                         p->dc->mach_pw,
 376                         &srv_chal_out);
 377
 378         /* Check client credentials are valid. */
 379         if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
 380                 DEBUG(0,("_net_auth: creds_server_check failed. Rejecting auth "
 381                         "request from client %s machine account %s\n",
 382                         remote_machine, mach_acct ));
 383                 return NT_STATUS_ACCESS_DENIED;
 384         }
 385
 386         fstrcpy(p->dc->mach_acct, mach_acct);
 387         fstrcpy(p->dc->remote_machine, remote_machine);
 388         p->dc->authenticated = True;
 389
 390         /* set up the LSA AUTH response */
 391         /* Return the server credentials. */
 392         init_net_r_auth(r_u, &srv_chal_out, NT_STATUS_OK);
 393
 394         return r_u->status;
 395 }
 396
 397 /*************************************************************************
 398  init_net_r_auth_2:
 399  *************************************************************************/
 400
 401 static void init_net_r_auth_2(NET_R_AUTH_2 *r_a,
 402                               DOM_CHAL *resp_cred, NEG_FLAGS *flgs, NTSTATUS status)
 403 {
 404         memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
 405         memcpy(&r_a->srv_flgs, flgs, sizeof(r_a->srv_flgs));
 406         r_a->status = status;
 407 }
 408
 409 /*************************************************************************
 410  _net_auth_2
 411  *************************************************************************/
 412
 413 NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
 414 {
 415         NTSTATUS status;
 416         NEG_FLAGS srv_flgs;
 417         fstring mach_acct;
 418         fstring remote_machine;
 419         DOM_CHAL srv_chal_out;
 420
 421         rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
 422                                 q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
 423
 424         /* We use this as the key to store the creds. */
 425         rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
 426                                 q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
 427
 428         if (!p->dc || !p->dc->challenge_sent) {
 429                 DEBUG(0,("_net_auth2: no challenge sent to client %s\n",
 430                         remote_machine ));
 431                 return NT_STATUS_ACCESS_DENIED;
 432         }
 433
 434         if ( (lp_server_schannel() == True) &&
 435              ((q_u->clnt_flgs.neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
 436
 437                 /* schannel must be used, but client did not offer it. */
 438                 DEBUG(0,("_net_auth2: schannel required but client failed "
 439                         "to offer it. Client was %s\n",
 440                         mach_acct ));
 441                 return NT_STATUS_ACCESS_DENIED;
 442         }
 443
 444         status = get_md4pw((char *)p->dc->mach_pw, mach_acct, q_u->clnt_id.sec_chan);
 445         if (!NT_STATUS_IS_OK(status)) {
 446                 DEBUG(0,("_net_auth2: failed to get machine password for "
 447                         "account %s: %s\n",
 448                         mach_acct, nt_errstr(status) ));
 449                 /* always return NT_STATUS_ACCESS_DENIED */
 450                 return NT_STATUS_ACCESS_DENIED;
 451         }
 452
 453         /* From the client / server challenges and md4 password, generate sess key */
 454         creds_server_init(q_u->clnt_flgs.neg_flags,
 455                         p->dc,
 456                         &p->dc->clnt_chal,      /* Stored client chal. */
 457                         &p->dc->srv_chal,       /* Stored server chal. */
 458                         p->dc->mach_pw,
 459                         &srv_chal_out);
 460
 461         /* Check client credentials are valid. */
 462         if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
 463                 DEBUG(0,("_net_auth2: creds_server_check failed. Rejecting auth "
 464                         "request from client %s machine account %s\n",
 465                         remote_machine, mach_acct ));
 466                 return NT_STATUS_ACCESS_DENIED;
 467         }
 468
 469         srv_flgs.neg_flags = 0x000001ff;
 470
 471         if (lp_server_schannel() != False) {
 472                 srv_flgs.neg_flags |= NETLOGON_NEG_SCHANNEL;
 473         }
 474
 475         /* set up the LSA AUTH 2 response */
 476         init_net_r_auth_2(r_u, &srv_chal_out, &srv_flgs, NT_STATUS_OK);
 477
 478         fstrcpy(p->dc->mach_acct, mach_acct);
 479         fstrcpy(p->dc->remote_machine, remote_machine);
 480         fstrcpy(p->dc->domain, lp_workgroup() );
 481
 482         p->dc->authenticated = True;
 483
 484         /* Store off the state so we can continue after client disconnect. */
 485         become_root();
 486         secrets_store_schannel_session_info(p->mem_ctx,
 487                                         remote_machine,
 488                                         p->dc);
 489         unbecome_root();
 490
 491         return r_u->status;
 492 }
 493
 494 /*************************************************************************
 495  _net_srv_pwset
 496  *************************************************************************/
 497
 498 NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *r_u)
 499 {
 500         fstring remote_machine;
 501         struct samu *sampass=NULL;
 502         BOOL ret = False;
 503         unsigned char pwd[16];
 504         int i;
 505         uint32 acct_ctrl;
 506         DOM_CRED cred_out;
 507         const uchar *old_pw;
 508
 509         DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
 510
 511         /* We need the remote machine name for the creds lookup. */
 512         rpcstr_pull(remote_machine,q_u->clnt_id.login.uni_comp_name.buffer,
 513                     sizeof(remote_machine),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0);
 514
 515         if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
 516                 /* 'server schannel = yes' should enforce use of
 517                    schannel, the client did offer it in auth2, but
 518                    obviously did not use it. */
 519                 DEBUG(0,("_net_srv_pwset: client %s not using schannel for netlogon\n",
 520                         remote_machine ));
 521                 return NT_STATUS_ACCESS_DENIED;
 522         }
 523
 524         if (!p->dc) {
 525                 /* Restore the saved state of the netlogon creds. */
 526                 become_root();
 527                 ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
 528                                                         remote_machine,
 529                                                         &p->dc);
 530                 unbecome_root();
 531                 if (!ret) {
 532                         return NT_STATUS_INVALID_HANDLE;
 533                 }
 534         }
 535
 536         if (!p->dc || !p->dc->authenticated) {
 537                 return NT_STATUS_INVALID_HANDLE;
 538         }
 539
 540         DEBUG(3,("_net_srv_pwset: Server Password Set by remote machine:[%s] on account [%s]\n",
 541                         remote_machine, p->dc->mach_acct));
 542
 543         /* Step the creds chain forward. */
 544         if (!creds_server_step(p->dc, &q_u->clnt_id.cred, &cred_out)) {
 545                 DEBUG(2,("_net_srv_pwset: creds_server_step failed. Rejecting auth "
 546                         "request from client %s machine account %s\n",
 547                         remote_machine, p->dc->mach_acct ));
 548                 return NT_STATUS_INVALID_PARAMETER;
 549         }
 550
 551         /* We must store the creds state after an update. */
 552         sampass = samu_new( NULL );
 553         if (!sampass) {
 554                 return NT_STATUS_NO_MEMORY;
 555         }
 556
 557         become_root();
 558         secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
 559                                                 remote_machine,
 560                                                 p->dc);
 561         ret = pdb_getsampwnam(sampass, p->dc->mach_acct);
 562         unbecome_root();
 563
 564         if (!ret) {
 565                 TALLOC_FREE(sampass);
 566                 return NT_STATUS_ACCESS_DENIED;
 567         }
 568
 569         /* Ensure the account exists and is a machine account. */
 570
 571         acct_ctrl = pdb_get_acct_ctrl(sampass);
 572
 573         if (!(acct_ctrl & ACB_WSTRUST ||
 574                       acct_ctrl & ACB_SVRTRUST ||
 575                       acct_ctrl & ACB_DOMTRUST)) {
 576                 TALLOC_FREE(sampass);
 577                 return NT_STATUS_NO_SUCH_USER;
 578         }
 579
 580         if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
 581                 TALLOC_FREE(sampass);
 582                 return NT_STATUS_ACCOUNT_DISABLED;
 583         }
 584
 585         /* Woah - what does this to to the credential chain ? JRA */
 586         cred_hash3( pwd, q_u->pwd, p->dc->sess_key, 0);
 587
 588         DEBUG(100,("Server password set : new given value was :\n"));
 589         for(i = 0; i < sizeof(pwd); i++)
 590                 DEBUG(100,("%02X ", pwd[i]));
 591         DEBUG(100,("\n"));
 592
 593         old_pw = pdb_get_nt_passwd(sampass);
 594
 595         if (old_pw && memcmp(pwd, old_pw, 16) == 0) {
 596                 /* Avoid backend modificiations and other fun if the
 597                    client changed the password to the *same thing* */
 598
 599                 ret = True;
 600         } else {
 601
 602                 /* LM password should be NULL for machines */
 603                 if (!pdb_set_lanman_passwd(sampass, NULL, PDB_CHANGED)) {
 604                         TALLOC_FREE(sampass);
 605                         return NT_STATUS_NO_MEMORY;
 606                 }
 607
 608                 if (!pdb_set_nt_passwd(sampass, pwd, PDB_CHANGED)) {
 609                         TALLOC_FREE(sampass);
 610                         return NT_STATUS_NO_MEMORY;
 611                 }
 612
 613                 if (!pdb_set_pass_last_set_time(sampass, time(NULL), PDB_CHANGED)) {
 614                         TALLOC_FREE(sampass);
 615                         /* Not quite sure what this one qualifies as, but this will do */
 616                         return NT_STATUS_UNSUCCESSFUL;
 617                 }
 618
 619                 become_root();
 620                 r_u->status = pdb_update_sam_account(sampass);
 621                 unbecome_root();
 622         }
 623
 624         /* set up the LSA Server Password Set response */
 625         init_net_r_srv_pwset(r_u, &cred_out, r_u->status);
 626
 627         TALLOC_FREE(sampass);
 628         return r_u->status;
 629 }
 630
 631 /*************************************************************************
 632  _net_sam_logoff:
 633  *************************************************************************/
 634
 635 NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
 636 {
 637         fstring remote_machine;
 638
 639         if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
 640                 /* 'server schannel = yes' should enforce use of
 641                    schannel, the client did offer it in auth2, but
 642                    obviously did not use it. */
 643                 DEBUG(0,("_net_sam_logoff: client %s not using schannel for netlogon\n",
 644                         get_remote_machine_name() ));
 645                 return NT_STATUS_ACCESS_DENIED;
 646         }
 647
 648
 649         if (!get_valid_user_struct(p->vuid))
 650                 return NT_STATUS_NO_SUCH_USER;
 651
 652         /* Get the remote machine name for the creds store. */
 653         rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer,
 654                     sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0);
 655
 656         if (!p->dc) {
 657                 /* Restore the saved state of the netlogon creds. */
 658                 BOOL ret;
 659
 660                 become_root();
 661                 ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
 662                                                 remote_machine,
 663                                                 &p->dc);
 664                 unbecome_root();
 665                 if (!ret) {
 666                         return NT_STATUS_INVALID_HANDLE;
 667                 }
 668         }
 669
 670         if (!p->dc || !p->dc->authenticated) {
 671                 return NT_STATUS_INVALID_HANDLE;
 672         }
 673
 674         r_u->buffer_creds = 1; /* yes, we have valid server credentials */
 675
 676         /* checks and updates credentials.  creates reply credentials */
 677         if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
 678                 DEBUG(2,("_net_sam_logoff: creds_server_step failed. Rejecting auth "
 679                         "request from client %s machine account %s\n",
 680                         remote_machine, p->dc->mach_acct ));
 681                 return NT_STATUS_INVALID_PARAMETER;
 682         }
 683
 684         /* We must store the creds state after an update. */
 685         become_root();
 686         secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
 687                                         remote_machine,
 688                                         p->dc);
 689         unbecome_root();
 690
 691         r_u->status = NT_STATUS_OK;
 692         return r_u->status;
 693 }
 694
 695 /*******************************************************************
 696  gets a domain user's groups from their already-calculated NT_USER_TOKEN
 697  ********************************************************************/
 698
 699 static NTSTATUS nt_token_to_group_list(TALLOC_CTX *mem_ctx,
 700                                        const DOM_SID *domain_sid,
 701                                        size_t num_sids,
 702                                        const DOM_SID *sids,
 703                                        int *numgroups, DOM_GID **pgids)
 704 {
 705         int i;
 706
 707         *numgroups=0;
 708         *pgids = NULL;
 709
 710         for (i=0; i<num_sids; i++) {
 711                 DOM_GID gid;
 712                 if (!sid_peek_check_rid(domain_sid, &sids[i], &gid.g_rid)) {
 713                         continue;
 714                 }
 715                 gid.attr = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
 716                             SE_GROUP_ENABLED);
 717                 ADD_TO_ARRAY(mem_ctx, DOM_GID, gid, pgids, numgroups);
 718                 if (*pgids == NULL) {
 719                         return NT_STATUS_NO_MEMORY;
 720                 }
 721         }
 722         return NT_STATUS_OK;
 723 }
 724
 725 /*************************************************************************
 726  _net_sam_logon
 727  *************************************************************************/
 728
 729 static NTSTATUS _net_sam_logon_internal(pipes_struct *p,
 730                                         NET_Q_SAM_LOGON *q_u,
 731                                         NET_R_SAM_LOGON *r_u,
 732                                         BOOL process_creds)
 733 {
 734         NTSTATUS status = NT_STATUS_OK;
 735         NET_USER_INFO_3 *usr_info = NULL;
 736         NET_ID_INFO_CTR *ctr = q_u->sam_id.ctr;
 737         UNISTR2 *uni_samlogon_user = NULL;
 738         UNISTR2 *uni_samlogon_domain = NULL;
 739         UNISTR2 *uni_samlogon_workstation = NULL;
 740         fstring nt_username, nt_domain, nt_workstation;
 741         auth_usersupplied_info *user_info = NULL;
 742         auth_serversupplied_info *server_info = NULL;
 743         struct samu *sampw;
 744         struct auth_context *auth_context = NULL;
 745
 746         if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
 747                 /* 'server schannel = yes' should enforce use of
 748                    schannel, the client did offer it in auth2, but
 749                    obviously did not use it. */
 750                 DEBUG(0,("_net_sam_logon_internal: client %s not using schannel for netlogon\n",
 751                         get_remote_machine_name() ));
 752                 return NT_STATUS_ACCESS_DENIED;
 753         }
 754
 755         usr_info = TALLOC_P(p->mem_ctx, NET_USER_INFO_3);
 756         if (!usr_info) {
 757                 return NT_STATUS_NO_MEMORY;
 758         }
 759
 760         ZERO_STRUCTP(usr_info);
 761
 762         /* store the user information, if there is any. */
 763         r_u->user = usr_info;
 764         r_u->auth_resp = 1; /* authoritative response */
 765         if (q_u->validation_level != 2 && q_u->validation_level != 3) {
 766                 DEBUG(0,("_net_sam_logon: bad validation_level value %d.\n", (int)q_u->validation_level ));
 767                 return NT_STATUS_ACCESS_DENIED;
 768         }
 769         /* We handle the return of USER_INFO_2 instead of 3 in the parse return. Sucks, I know... */
 770         r_u->switch_value = q_u->validation_level; /* indicates type of validation user info */
 771         r_u->buffer_creds = 1; /* Ensure we always return server creds. */
 772
 773         if (!get_valid_user_struct(p->vuid))
 774                 return NT_STATUS_NO_SUCH_USER;
 775
 776         if (process_creds) {
 777                 fstring remote_machine;
 778
 779                 /* Get the remote machine name for the creds store. */
 780                 /* Note this is the remote machine this request is coming from (member server),
 781                    not neccessarily the workstation name the user is logging onto.
 782                 */
 783                 rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer,
 784                     sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0);
 785
 786                 if (!p->dc) {
 787                         /* Restore the saved state of the netlogon creds. */
 788                         BOOL ret;
 789
 790                         become_root();
 791                         ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
 792                                         remote_machine,
 793                                         &p->dc);
 794                         unbecome_root();
 795                         if (!ret) {
 796                                 return NT_STATUS_INVALID_HANDLE;
 797                         }
 798                 }
 799
 800                 if (!p->dc || !p->dc->authenticated) {
 801                         return NT_STATUS_INVALID_HANDLE;
 802                 }
 803
 804                 /* checks and updates credentials.  creates reply credentials */
 805                 if (!creds_server_step(p->dc, &q_u->sam_id.client.cred,  &r_u->srv_creds)) {
 806                         DEBUG(2,("_net_sam_logon: creds_server_step failed. Rejecting auth "
 807                                 "request from client %s machine account %s\n",
 808                                 remote_machine, p->dc->mach_acct ));
 809                         return NT_STATUS_INVALID_PARAMETER;
 810                 }
 811
 812                 /* We must store the creds state after an update. */
 813                 become_root();
 814                 secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
 815                                         remote_machine,
 816                                         p->dc);
 817                 unbecome_root();
 818         }
 819
 820         switch (q_u->sam_id.logon_level) {
 821         case INTERACTIVE_LOGON_TYPE:
 822                 uni_samlogon_user = &ctr->auth.id1.uni_user_name;
 823                 uni_samlogon_domain = &ctr->auth.id1.uni_domain_name;
 824
 825                 uni_samlogon_workstation = &ctr->auth.id1.uni_wksta_name;
 826
 827                 DEBUG(3,("SAM Logon (Interactive). Domain:[%s].  ", lp_workgroup()));
 828                 break;
 829         case NET_LOGON_TYPE:
 830                 uni_samlogon_user = &ctr->auth.id2.uni_user_name;
 831                 uni_samlogon_domain = &ctr->auth.id2.uni_domain_name;
 832                 uni_samlogon_workstation = &ctr->auth.id2.uni_wksta_name;
 833
 834                 DEBUG(3,("SAM Logon (Network). Domain:[%s].  ", lp_workgroup()));
 835                 break;
 836         default:
 837                 DEBUG(2,("SAM Logon: unsupported switch value\n"));
 838                 return NT_STATUS_INVALID_INFO_CLASS;
 839         } /* end switch */
 840
 841         rpcstr_pull(nt_username,uni_samlogon_user->buffer,sizeof(nt_username),uni_samlogon_user->uni_str_len*2,0);
 842         rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
 843         rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);
 844
 845         DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
 846         fstrcpy(current_user_info.smb_name, nt_username);
 847         sub_set_smb_name(nt_username);
 848
 849         DEBUG(5,("Attempting validation level %d for unmapped username %s.\n", q_u->sam_id.ctr->switch_value, nt_username));
 850
 851         status = NT_STATUS_OK;
 852
 853         switch (ctr->switch_value) {
 854         case NET_LOGON_TYPE:
 855         {
 856                 const char *wksname = nt_workstation;
 857
 858                 if (!NT_STATUS_IS_OK(status = make_auth_context_fixed(&auth_context, ctr->auth.id2.lm_chal))) {
 859                         return status;
 860                 }
 861
 862                 /* For a network logon, the workstation name comes in with two
 863                  * backslashes in the front. Strip them if they are there. */
 864
 865                 if (*wksname == '\\') wksname++;
 866                 if (*wksname == '\\') wksname++;
 867
 868                 /* Standard challenge/response authenticaion */
 869                 if (!make_user_info_netlogon_network(&user_info,
 870                                                      nt_username, nt_domain,
 871                                                      wksname,
 872                                                      ctr->auth.id2.param_ctrl,
 873                                                      ctr->auth.id2.lm_chal_resp.buffer,
 874                                                      ctr->auth.id2.lm_chal_resp.str_str_len,
 875                                                      ctr->auth.id2.nt_chal_resp.buffer,
 876                                                      ctr->auth.id2.nt_chal_resp.str_str_len)) {
 877                         status = NT_STATUS_NO_MEMORY;
 878                 }
 879                 break;
 880         }
 881         case INTERACTIVE_LOGON_TYPE:
 882                 /* 'Interactive' authentication, supplies the password in its
 883                    MD4 form, encrypted with the session key.  We will convert
 884                    this to challenge/response for the auth subsystem to chew
 885                    on */
 886         {
 887                 const uint8 *chal;
 888
 889                 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
 890                         return status;
 891                 }
 892
 893                 chal = auth_context->get_ntlm_challenge(auth_context);
 894
 895                 if (!make_user_info_netlogon_interactive(&user_info,
 896                                                          nt_username, nt_domain,
 897                                                          nt_workstation,
 898                                                          ctr->auth.id1.param_ctrl,
 899                                                          chal,
 900                                                          ctr->auth.id1.lm_owf.data,
 901                                                          ctr->auth.id1.nt_owf.data,
 902                                                          p->dc->sess_key)) {
 903                         status = NT_STATUS_NO_MEMORY;
 904                 }
 905                 break;
 906         }
 907         default:
 908                 DEBUG(2,("SAM Logon: unsupported switch value\n"));
 909                 return NT_STATUS_INVALID_INFO_CLASS;
 910         } /* end switch */
 911
 912         if ( NT_STATUS_IS_OK(status) ) {
 913                 status = auth_context->check_ntlm_password(auth_context,
 914                         user_info, &server_info);
 915         }
 916
 917         (auth_context->free)(&auth_context);
 918         free_user_info(&user_info);
 919
 920         DEBUG(5, ("_net_sam_logon: check_password returned status %s\n",
 921                   nt_errstr(status)));
 922
 923         /* Check account and password */
 924
 925         if (!NT_STATUS_IS_OK(status)) {
 926                 /* If we don't know what this domain is, we need to
 927                    indicate that we are not authoritative.  This
 928                    allows the client to decide if it needs to try
 929                    a local user.  Fix by jpjanosi@us.ibm.com, #2976 */
 930                 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
 931                      && !strequal(nt_domain, get_global_sam_name())
 932                      && !is_trusted_domain(nt_domain) )
 933                         r_u->auth_resp = 0; /* We are not authoritative */
 934
 935                 TALLOC_FREE(server_info);
 936                 return status;
 937         }
 938
 939         if (server_info->guest) {
 940                 /* We don't like guest domain logons... */
 941                 DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST "
 942                          "denied.\n"));
 943                 TALLOC_FREE(server_info);
 944                 return NT_STATUS_LOGON_FAILURE;
 945         }
 946
 947         /* This is the point at which, if the login was successful, that
 948            the SAM Local Security Authority should record that the user is
 949            logged in to the domain.  */
 950
 951         {
 952                 DOM_GID *gids = NULL;
 953                 const DOM_SID *user_sid = NULL;
 954                 const DOM_SID *group_sid = NULL;
 955                 DOM_SID domain_sid;
 956                 uint32 user_rid, group_rid;
 957
 958                 int num_gids = 0;
 959                 pstring my_name;
 960                 fstring user_sid_string;
 961                 fstring group_sid_string;
 962                 unsigned char user_session_key[16];
 963                 unsigned char lm_session_key[16];
 964                 unsigned char pipe_session_key[16];
 965
 966                 sampw = server_info->sam_account;
 967
 968                 /* set up pointer indicating user/password failed to be
 969                  * found */
 970                 usr_info->ptr_user_info = 0;
 971
 972                 user_sid = pdb_get_user_sid(sampw);
 973                 group_sid = pdb_get_group_sid(sampw);
 974
 975                 if ((user_sid == NULL) || (group_sid == NULL)) {
 976                         DEBUG(1, ("_net_sam_logon: User without group or user SID\n"));
 977                         return NT_STATUS_UNSUCCESSFUL;
 978                 }
 979
 980                 sid_copy(&domain_sid, user_sid);
 981                 sid_split_rid(&domain_sid, &user_rid);
 982
 983                 if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
 984                         DEBUG(1, ("_net_sam_logon: user %s\\%s has user sid "
 985                                   "%s\n but group sid %s.\n"
 986                                   "The conflicting domain portions are not "
 987                                   "supported for NETLOGON calls\n",
 988                                   pdb_get_domain(sampw),
 989                                   pdb_get_username(sampw),
 990                                   sid_to_string(user_sid_string, user_sid),
 991                                   sid_to_string(group_sid_string, group_sid)));
 992                         return NT_STATUS_UNSUCCESSFUL;
 993                 }
 994
 995
 996                 if(server_info->login_server) {
 997                         pstrcpy(my_name, server_info->login_server);
 998                 } else {
 999                         pstrcpy(my_name, global_myname());
1000                 }
1001
1002                 status = nt_token_to_group_list(p->mem_ctx, &domain_sid,
1003                                                 server_info->num_sids,
1004                                                 server_info->sids,
1005                                                 &num_gids, &gids);
1006
1007                 if (!NT_STATUS_IS_OK(status)) {
1008                         return status;
1009                 }
1010
1011                 if (server_info->user_session_key.length) {
1012                         memcpy(user_session_key,
1013                                server_info->user_session_key.data,
1014                                MIN(sizeof(user_session_key),
1015                                    server_info->user_session_key.length));
1016                         if (process_creds) {
1017                                 /* Get the pipe session key from the creds. */
1018                                 memcpy(pipe_session_key, p->dc->sess_key, 16);
1019                         } else {
1020                                 /* Get the pipe session key from the schannel. */
1021                                 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
1022                                         return NT_STATUS_INVALID_HANDLE;
1023                                 }
1024                                 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
1025                         }
1026                         SamOEMhash(user_session_key, pipe_session_key, 16);
1027                         memset(pipe_session_key, '\0', 16);
1028                 }
1029                 if (server_info->lm_session_key.length) {
1030                         memcpy(lm_session_key,
1031                                server_info->lm_session_key.data,
1032                                MIN(sizeof(lm_session_key),
1033                                    server_info->lm_session_key.length));
1034                         if (process_creds) {
1035                                 /* Get the pipe session key from the creds. */
1036                                 memcpy(pipe_session_key, p->dc->sess_key, 16);
1037                         } else {
1038                                 /* Get the pipe session key from the schannel. */
1039                                 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
1040                                         return NT_STATUS_INVALID_HANDLE;
1041                                 }
1042                                 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
1043                         }
1044                         SamOEMhash(lm_session_key, pipe_session_key, 16);
1045                         memset(pipe_session_key, '\0', 16);
1046                 }
1047
1048                 init_net_user_info3(p->mem_ctx, usr_info,
1049                                     user_rid,
1050                                     group_rid,
1051                                     pdb_get_username(sampw),
1052                                     pdb_get_fullname(sampw),
1053                                     pdb_get_homedir(sampw),
1054                                     pdb_get_dir_drive(sampw),
1055                                     pdb_get_logon_script(sampw),
1056                                     pdb_get_profile_path(sampw),
1057                                     pdb_get_logon_time(sampw),
1058                                     get_time_t_max(),
1059                                     get_time_t_max(),
1060                                     pdb_get_pass_last_set_time(sampw),
1061                                     pdb_get_pass_can_change_time(sampw),
1062                                     pdb_get_pass_must_change_time(sampw),
1063                                     0, /* logon_count */
1064                                     0, /* bad_pw_count */
1065                                     num_gids,    /* uint32 num_groups */
1066                                     gids    , /* DOM_GID *gids */
1067                                     LOGON_EXTRA_SIDS, /* uint32 user_flgs (?) */
1068                                     pdb_get_acct_ctrl(sampw),
1069                                     server_info->user_session_key.length ? user_session_key : NULL,
1070                                     server_info->lm_session_key.length ? lm_session_key : NULL,
1071                                     my_name     , /* char *logon_srv */
1072                                     pdb_get_domain(sampw),
1073                                     &domain_sid);     /* DOM_SID *dom_sid */
1074                 ZERO_STRUCT(user_session_key);
1075                 ZERO_STRUCT(lm_session_key);
1076         }
1077         TALLOC_FREE(server_info);
1078         return status;
1079 }
1080
1081 /*************************************************************************
1082  _net_sam_logon
1083  *************************************************************************/
1084
1085 NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
1086 {
1087         return _net_sam_logon_internal(p, q_u, r_u, True);
1088 }
1089
1090 /*************************************************************************
1091  _net_sam_logon_ex - no credential chaining. Map into net sam logon.
1092  *************************************************************************/
1093
1094 NTSTATUS _net_sam_logon_ex(pipes_struct *p, NET_Q_SAM_LOGON_EX *q_u, NET_R_SAM_LOGON_EX *r_u)
1095 {
1096         NET_Q_SAM_LOGON q;
1097         NET_R_SAM_LOGON r;
1098
1099         ZERO_STRUCT(q);
1100         ZERO_STRUCT(r);
1101
1102         /* Only allow this if the pipe is protected. */
1103         if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
1104                 DEBUG(0,("_net_sam_logon_ex: client %s not using schannel for netlogon\n",
1105                         get_remote_machine_name() ));
1106                 return NT_STATUS_INVALID_PARAMETER;
1107         }
1108
1109         /* Map a NET_Q_SAM_LOGON_EX to NET_Q_SAM_LOGON. */
1110         q.validation_level = q_u->validation_level;
1111
1112         /* Map a DOM_SAM_INFO_EX into a DOM_SAM_INFO with no creds. */
1113         q.sam_id.client.login = q_u->sam_id.client;
1114         q.sam_id.logon_level = q_u->sam_id.logon_level;
1115         q.sam_id.ctr = q_u->sam_id.ctr;
1116
1117         r_u->status = _net_sam_logon_internal(p, &q, &r, False);
1118
1119         if (!NT_STATUS_IS_OK(r_u->status)) {
1120                 return r_u->status;
1121         }
1122
1123         /* Map the NET_R_SAM_LOGON to NET_R_SAM_LOGON_EX. */
1124         r_u->switch_value = r.switch_value;
1125         r_u->user = r.user;
1126         r_u->auth_resp = r.auth_resp;
1127         r_u->flags = 0; /* FIXME ! */
1128         return r_u->status;
1129 }
1130
1131 /*************************************************************************
1132  _ds_enum_dom_trusts
1133  *************************************************************************/
1134 #if 0   /* JERRY -- not correct */
1135 NTSTATUS _ds_enum_dom_trusts(pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1136                              DS_R_ENUM_DOM_TRUSTS *r_u)
1137 {
1138         NTSTATUS status = NT_STATUS_OK;
1139
1140         /* TODO: According to MSDN, the can only be executed against a
1141            DC or domain member running Windows 2000 or later.  Need
1142            to test against a standalone 2k server and see what it
1143            does.  A windows 2000 DC includes its own domain in the
1144            list.  --jerry */
1145
1146         return status;
1147 }
1148 #endif  /* JERRY */